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1 | /* | |
2 | * Driver interaction with Linux nl80211/cfg80211 | |
3 | * Copyright (c) 2002-2014, Jouni Malinen <j@w1.fi> | |
4 | * Copyright (c) 2003-2004, Instant802 Networks, Inc. | |
5 | * Copyright (c) 2005-2006, Devicescape Software, Inc. | |
6 | * Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net> | |
7 | * Copyright (c) 2009-2010, Atheros Communications | |
8 | * | |
9 | * This software may be distributed under the terms of the BSD license. | |
10 | * See README for more details. | |
11 | */ | |
12 | ||
13 | #include "includes.h" | |
14 | #include <sys/ioctl.h> | |
15 | #include <sys/types.h> | |
16 | #include <sys/stat.h> | |
17 | #include <fcntl.h> | |
18 | #include <net/if.h> | |
19 | #include <netlink/genl/genl.h> | |
20 | #include <netlink/genl/family.h> | |
21 | #include <netlink/genl/ctrl.h> | |
22 | #ifdef CONFIG_LIBNL3_ROUTE | |
23 | #include <netlink/route/neighbour.h> | |
24 | #endif /* CONFIG_LIBNL3_ROUTE */ | |
25 | #include <linux/rtnetlink.h> | |
26 | #include <netpacket/packet.h> | |
27 | #include <linux/filter.h> | |
28 | #include <linux/errqueue.h> | |
29 | #include "nl80211_copy.h" | |
30 | ||
31 | #include "common.h" | |
32 | #include "eloop.h" | |
33 | #include "utils/list.h" | |
34 | #include "common/qca-vendor.h" | |
35 | #include "common/qca-vendor-attr.h" | |
36 | #include "common/ieee802_11_defs.h" | |
37 | #include "common/ieee802_11_common.h" | |
38 | #include "l2_packet/l2_packet.h" | |
39 | #include "netlink.h" | |
40 | #include "linux_ioctl.h" | |
41 | #include "radiotap.h" | |
42 | #include "radiotap_iter.h" | |
43 | #include "rfkill.h" | |
44 | #include "driver.h" | |
45 | ||
46 | #ifndef SO_WIFI_STATUS | |
47 | # if defined(__sparc__) | |
48 | # define SO_WIFI_STATUS 0x0025 | |
49 | # elif defined(__parisc__) | |
50 | # define SO_WIFI_STATUS 0x4022 | |
51 | # else | |
52 | # define SO_WIFI_STATUS 41 | |
53 | # endif | |
54 | ||
55 | # define SCM_WIFI_STATUS SO_WIFI_STATUS | |
56 | #endif | |
57 | ||
58 | #ifndef SO_EE_ORIGIN_TXSTATUS | |
59 | #define SO_EE_ORIGIN_TXSTATUS 4 | |
60 | #endif | |
61 | ||
62 | #ifndef PACKET_TX_TIMESTAMP | |
63 | #define PACKET_TX_TIMESTAMP 16 | |
64 | #endif | |
65 | ||
66 | #ifdef ANDROID | |
67 | #include "android_drv.h" | |
68 | #endif /* ANDROID */ | |
69 | #ifdef CONFIG_LIBNL20 | |
70 | /* libnl 2.0 compatibility code */ | |
71 | #define nl_handle nl_sock | |
72 | #define nl80211_handle_alloc nl_socket_alloc_cb | |
73 | #define nl80211_handle_destroy nl_socket_free | |
74 | #else | |
75 | /* | |
76 | * libnl 1.1 has a bug, it tries to allocate socket numbers densely | |
77 | * but when you free a socket again it will mess up its bitmap and | |
78 | * and use the wrong number the next time it needs a socket ID. | |
79 | * Therefore, we wrap the handle alloc/destroy and add our own pid | |
80 | * accounting. | |
81 | */ | |
82 | static uint32_t port_bitmap[32] = { 0 }; | |
83 | ||
84 | static struct nl_handle *nl80211_handle_alloc(void *cb) | |
85 | { | |
86 | struct nl_handle *handle; | |
87 | uint32_t pid = getpid() & 0x3FFFFF; | |
88 | int i; | |
89 | ||
90 | handle = nl_handle_alloc_cb(cb); | |
91 | ||
92 | for (i = 0; i < 1024; i++) { | |
93 | if (port_bitmap[i / 32] & (1 << (i % 32))) | |
94 | continue; | |
95 | port_bitmap[i / 32] |= 1 << (i % 32); | |
96 | pid += i << 22; | |
97 | break; | |
98 | } | |
99 | ||
100 | nl_socket_set_local_port(handle, pid); | |
101 | ||
102 | return handle; | |
103 | } | |
104 | ||
105 | static void nl80211_handle_destroy(struct nl_handle *handle) | |
106 | { | |
107 | uint32_t port = nl_socket_get_local_port(handle); | |
108 | ||
109 | port >>= 22; | |
110 | port_bitmap[port / 32] &= ~(1 << (port % 32)); | |
111 | ||
112 | nl_handle_destroy(handle); | |
113 | } | |
114 | #endif /* CONFIG_LIBNL20 */ | |
115 | ||
116 | ||
117 | #ifdef ANDROID | |
118 | /* system/core/libnl_2 does not include nl_socket_set_nonblocking() */ | |
119 | static int android_nl_socket_set_nonblocking(struct nl_handle *handle) | |
120 | { | |
121 | return fcntl(nl_socket_get_fd(handle), F_SETFL, O_NONBLOCK); | |
122 | } | |
123 | #undef nl_socket_set_nonblocking | |
124 | #define nl_socket_set_nonblocking(h) android_nl_socket_set_nonblocking(h) | |
125 | #endif /* ANDROID */ | |
126 | ||
127 | ||
128 | static struct nl_handle * nl_create_handle(struct nl_cb *cb, const char *dbg) | |
129 | { | |
130 | struct nl_handle *handle; | |
131 | ||
132 | handle = nl80211_handle_alloc(cb); | |
133 | if (handle == NULL) { | |
134 | wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink " | |
135 | "callbacks (%s)", dbg); | |
136 | return NULL; | |
137 | } | |
138 | ||
139 | if (genl_connect(handle)) { | |
140 | wpa_printf(MSG_ERROR, "nl80211: Failed to connect to generic " | |
141 | "netlink (%s)", dbg); | |
142 | nl80211_handle_destroy(handle); | |
143 | return NULL; | |
144 | } | |
145 | ||
146 | return handle; | |
147 | } | |
148 | ||
149 | ||
150 | static void nl_destroy_handles(struct nl_handle **handle) | |
151 | { | |
152 | if (*handle == NULL) | |
153 | return; | |
154 | nl80211_handle_destroy(*handle); | |
155 | *handle = NULL; | |
156 | } | |
157 | ||
158 | ||
159 | #if __WORDSIZE == 64 | |
160 | #define ELOOP_SOCKET_INVALID (intptr_t) 0x8888888888888889ULL | |
161 | #else | |
162 | #define ELOOP_SOCKET_INVALID (intptr_t) 0x88888889ULL | |
163 | #endif | |
164 | ||
165 | static void nl80211_register_eloop_read(struct nl_handle **handle, | |
166 | eloop_sock_handler handler, | |
167 | void *eloop_data) | |
168 | { | |
169 | nl_socket_set_nonblocking(*handle); | |
170 | eloop_register_read_sock(nl_socket_get_fd(*handle), handler, | |
171 | eloop_data, *handle); | |
172 | *handle = (void *) (((intptr_t) *handle) ^ ELOOP_SOCKET_INVALID); | |
173 | } | |
174 | ||
175 | ||
176 | static void nl80211_destroy_eloop_handle(struct nl_handle **handle) | |
177 | { | |
178 | *handle = (void *) (((intptr_t) *handle) ^ ELOOP_SOCKET_INVALID); | |
179 | eloop_unregister_read_sock(nl_socket_get_fd(*handle)); | |
180 | nl_destroy_handles(handle); | |
181 | } | |
182 | ||
183 | ||
184 | #ifndef IFF_LOWER_UP | |
185 | #define IFF_LOWER_UP 0x10000 /* driver signals L1 up */ | |
186 | #endif | |
187 | #ifndef IFF_DORMANT | |
188 | #define IFF_DORMANT 0x20000 /* driver signals dormant */ | |
189 | #endif | |
190 | ||
191 | #ifndef IF_OPER_DORMANT | |
192 | #define IF_OPER_DORMANT 5 | |
193 | #endif | |
194 | #ifndef IF_OPER_UP | |
195 | #define IF_OPER_UP 6 | |
196 | #endif | |
197 | ||
198 | struct nl80211_global { | |
199 | struct dl_list interfaces; | |
200 | int if_add_ifindex; | |
201 | u64 if_add_wdevid; | |
202 | int if_add_wdevid_set; | |
203 | struct netlink_data *netlink; | |
204 | struct nl_cb *nl_cb; | |
205 | struct nl_handle *nl; | |
206 | int nl80211_id; | |
207 | int ioctl_sock; /* socket for ioctl() use */ | |
208 | ||
209 | struct nl_handle *nl_event; | |
210 | }; | |
211 | ||
212 | struct nl80211_wiphy_data { | |
213 | struct dl_list list; | |
214 | struct dl_list bsss; | |
215 | struct dl_list drvs; | |
216 | ||
217 | struct nl_handle *nl_beacons; | |
218 | struct nl_cb *nl_cb; | |
219 | ||
220 | int wiphy_idx; | |
221 | }; | |
222 | ||
223 | static void nl80211_global_deinit(void *priv); | |
224 | ||
225 | struct i802_bss { | |
226 | struct wpa_driver_nl80211_data *drv; | |
227 | struct i802_bss *next; | |
228 | int ifindex; | |
229 | u64 wdev_id; | |
230 | char ifname[IFNAMSIZ + 1]; | |
231 | char brname[IFNAMSIZ]; | |
232 | unsigned int beacon_set:1; | |
233 | unsigned int added_if_into_bridge:1; | |
234 | unsigned int added_bridge:1; | |
235 | unsigned int in_deinit:1; | |
236 | unsigned int wdev_id_set:1; | |
237 | unsigned int added_if:1; | |
238 | unsigned int static_ap:1; | |
239 | ||
240 | u8 addr[ETH_ALEN]; | |
241 | ||
242 | int freq; | |
243 | int bandwidth; | |
244 | int if_dynamic; | |
245 | ||
246 | void *ctx; | |
247 | struct nl_handle *nl_preq, *nl_mgmt; | |
248 | struct nl_cb *nl_cb; | |
249 | ||
250 | struct nl80211_wiphy_data *wiphy_data; | |
251 | struct dl_list wiphy_list; | |
252 | }; | |
253 | ||
254 | struct wpa_driver_nl80211_data { | |
255 | struct nl80211_global *global; | |
256 | struct dl_list list; | |
257 | struct dl_list wiphy_list; | |
258 | char phyname[32]; | |
259 | u8 perm_addr[ETH_ALEN]; | |
260 | void *ctx; | |
261 | int ifindex; | |
262 | int if_removed; | |
263 | int if_disabled; | |
264 | int ignore_if_down_event; | |
265 | struct rfkill_data *rfkill; | |
266 | struct wpa_driver_capa capa; | |
267 | u8 *extended_capa, *extended_capa_mask; | |
268 | unsigned int extended_capa_len; | |
269 | int has_capability; | |
270 | ||
271 | int operstate; | |
272 | ||
273 | int scan_complete_events; | |
274 | enum scan_states { | |
275 | NO_SCAN, SCAN_REQUESTED, SCAN_STARTED, SCAN_COMPLETED, | |
276 | SCAN_ABORTED, SCHED_SCAN_STARTED, SCHED_SCAN_STOPPED, | |
277 | SCHED_SCAN_RESULTS | |
278 | } scan_state; | |
279 | ||
280 | struct nl_cb *nl_cb; | |
281 | ||
282 | u8 auth_bssid[ETH_ALEN]; | |
283 | u8 auth_attempt_bssid[ETH_ALEN]; | |
284 | u8 bssid[ETH_ALEN]; | |
285 | u8 prev_bssid[ETH_ALEN]; | |
286 | int associated; | |
287 | u8 ssid[32]; | |
288 | size_t ssid_len; | |
289 | enum nl80211_iftype nlmode; | |
290 | enum nl80211_iftype ap_scan_as_station; | |
291 | unsigned int assoc_freq; | |
292 | ||
293 | int monitor_sock; | |
294 | int monitor_ifidx; | |
295 | int monitor_refcount; | |
296 | ||
297 | unsigned int disabled_11b_rates:1; | |
298 | unsigned int pending_remain_on_chan:1; | |
299 | unsigned int in_interface_list:1; | |
300 | unsigned int device_ap_sme:1; | |
301 | unsigned int poll_command_supported:1; | |
302 | unsigned int data_tx_status:1; | |
303 | unsigned int scan_for_auth:1; | |
304 | unsigned int retry_auth:1; | |
305 | unsigned int use_monitor:1; | |
306 | unsigned int ignore_next_local_disconnect:1; | |
307 | unsigned int ignore_next_local_deauth:1; | |
308 | unsigned int allow_p2p_device:1; | |
309 | unsigned int hostapd:1; | |
310 | unsigned int start_mode_ap:1; | |
311 | unsigned int start_iface_up:1; | |
312 | unsigned int test_use_roc_tx:1; | |
313 | unsigned int ignore_deauth_event:1; | |
314 | unsigned int roaming_vendor_cmd_avail:1; | |
315 | unsigned int dfs_vendor_cmd_avail:1; | |
316 | unsigned int have_low_prio_scan:1; | |
317 | unsigned int force_connect_cmd:1; | |
318 | unsigned int addr_changed:1; | |
319 | ||
320 | u64 remain_on_chan_cookie; | |
321 | u64 send_action_cookie; | |
322 | ||
323 | unsigned int last_mgmt_freq; | |
324 | ||
325 | struct wpa_driver_scan_filter *filter_ssids; | |
326 | size_t num_filter_ssids; | |
327 | ||
328 | struct i802_bss *first_bss; | |
329 | ||
330 | int eapol_tx_sock; | |
331 | ||
332 | int eapol_sock; /* socket for EAPOL frames */ | |
333 | ||
334 | struct nl_handle *rtnl_sk; /* nl_sock for NETLINK_ROUTE */ | |
335 | ||
336 | int default_if_indices[16]; | |
337 | int *if_indices; | |
338 | int num_if_indices; | |
339 | ||
340 | /* From failed authentication command */ | |
341 | int auth_freq; | |
342 | u8 auth_bssid_[ETH_ALEN]; | |
343 | u8 auth_ssid[32]; | |
344 | size_t auth_ssid_len; | |
345 | int auth_alg; | |
346 | u8 *auth_ie; | |
347 | size_t auth_ie_len; | |
348 | u8 auth_wep_key[4][16]; | |
349 | size_t auth_wep_key_len[4]; | |
350 | int auth_wep_tx_keyidx; | |
351 | int auth_local_state_change; | |
352 | int auth_p2p; | |
353 | }; | |
354 | ||
355 | ||
356 | static void wpa_driver_nl80211_deinit(struct i802_bss *bss); | |
357 | static void wpa_driver_nl80211_scan_timeout(void *eloop_ctx, | |
358 | void *timeout_ctx); | |
359 | static int wpa_driver_nl80211_set_mode(struct i802_bss *bss, | |
360 | enum nl80211_iftype nlmode); | |
361 | static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss, | |
362 | struct hostapd_freq_params *freq); | |
363 | ||
364 | static int | |
365 | wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv, | |
366 | const u8 *set_addr, int first); | |
367 | static int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv, | |
368 | const u8 *addr, int cmd, u16 reason_code, | |
369 | int local_state_change); | |
370 | static void nl80211_remove_monitor_interface( | |
371 | struct wpa_driver_nl80211_data *drv); | |
372 | static int nl80211_send_frame_cmd(struct i802_bss *bss, | |
373 | unsigned int freq, unsigned int wait, | |
374 | const u8 *buf, size_t buf_len, u64 *cookie, | |
375 | int no_cck, int no_ack, int offchanok); | |
376 | static int nl80211_register_frame(struct i802_bss *bss, | |
377 | struct nl_handle *hl_handle, | |
378 | u16 type, const u8 *match, size_t match_len); | |
379 | static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, | |
380 | int report); | |
381 | #ifdef ANDROID | |
382 | static int android_pno_start(struct i802_bss *bss, | |
383 | struct wpa_driver_scan_params *params); | |
384 | static int android_pno_stop(struct i802_bss *bss); | |
385 | extern int wpa_driver_nl80211_driver_cmd(void *priv, char *cmd, char *buf, | |
386 | size_t buf_len); | |
387 | #endif /* ANDROID */ | |
388 | #ifdef ANDROID_P2P | |
389 | #ifdef ANDROID_P2P_STUB | |
390 | int wpa_driver_set_p2p_noa(void *priv, u8 count, int start, int duration) { | |
391 | return 0; | |
392 | } | |
393 | int wpa_driver_get_p2p_noa(void *priv, u8 *buf, size_t len) { | |
394 | return 0; | |
395 | } | |
396 | int wpa_driver_set_p2p_ps(void *priv, int legacy_ps, int opp_ps, int ctwindow) { | |
397 | return -1; | |
398 | } | |
399 | int wpa_driver_set_ap_wps_p2p_ie(void *priv, const struct wpabuf *beacon, | |
400 | const struct wpabuf *proberesp, | |
401 | const struct wpabuf *assocresp) { | |
402 | return 0; | |
403 | } | |
404 | #else /* ANDROID_P2P_STUB */ | |
405 | int wpa_driver_set_p2p_noa(void *priv, u8 count, int start, int duration); | |
406 | int wpa_driver_get_p2p_noa(void *priv, u8 *buf, size_t len); | |
407 | int wpa_driver_set_p2p_ps(void *priv, int legacy_ps, int opp_ps, int ctwindow); | |
408 | int wpa_driver_set_ap_wps_p2p_ie(void *priv, const struct wpabuf *beacon, | |
409 | const struct wpabuf *proberesp, | |
410 | const struct wpabuf *assocresp); | |
411 | #endif /* ANDROID_P2P_STUB */ | |
412 | #endif /* ANDROID_P2P */ | |
413 | ||
414 | static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx); | |
415 | static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx); | |
416 | static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx); | |
417 | static int wpa_driver_nl80211_if_remove(struct i802_bss *bss, | |
418 | enum wpa_driver_if_type type, | |
419 | const char *ifname); | |
420 | ||
421 | static int nl80211_set_channel(struct i802_bss *bss, | |
422 | struct hostapd_freq_params *freq, int set_chan); | |
423 | static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv, | |
424 | int ifindex, int disabled); | |
425 | ||
426 | static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv); | |
427 | static int wpa_driver_nl80211_authenticate_retry( | |
428 | struct wpa_driver_nl80211_data *drv); | |
429 | ||
430 | static int i802_set_freq(void *priv, struct hostapd_freq_params *freq); | |
431 | static int i802_set_iface_flags(struct i802_bss *bss, int up); | |
432 | ||
433 | ||
434 | static const char * nl80211_command_to_string(enum nl80211_commands cmd) | |
435 | { | |
436 | #define C2S(x) case x: return #x; | |
437 | switch (cmd) { | |
438 | C2S(NL80211_CMD_UNSPEC) | |
439 | C2S(NL80211_CMD_GET_WIPHY) | |
440 | C2S(NL80211_CMD_SET_WIPHY) | |
441 | C2S(NL80211_CMD_NEW_WIPHY) | |
442 | C2S(NL80211_CMD_DEL_WIPHY) | |
443 | C2S(NL80211_CMD_GET_INTERFACE) | |
444 | C2S(NL80211_CMD_SET_INTERFACE) | |
445 | C2S(NL80211_CMD_NEW_INTERFACE) | |
446 | C2S(NL80211_CMD_DEL_INTERFACE) | |
447 | C2S(NL80211_CMD_GET_KEY) | |
448 | C2S(NL80211_CMD_SET_KEY) | |
449 | C2S(NL80211_CMD_NEW_KEY) | |
450 | C2S(NL80211_CMD_DEL_KEY) | |
451 | C2S(NL80211_CMD_GET_BEACON) | |
452 | C2S(NL80211_CMD_SET_BEACON) | |
453 | C2S(NL80211_CMD_START_AP) | |
454 | C2S(NL80211_CMD_STOP_AP) | |
455 | C2S(NL80211_CMD_GET_STATION) | |
456 | C2S(NL80211_CMD_SET_STATION) | |
457 | C2S(NL80211_CMD_NEW_STATION) | |
458 | C2S(NL80211_CMD_DEL_STATION) | |
459 | C2S(NL80211_CMD_GET_MPATH) | |
460 | C2S(NL80211_CMD_SET_MPATH) | |
461 | C2S(NL80211_CMD_NEW_MPATH) | |
462 | C2S(NL80211_CMD_DEL_MPATH) | |
463 | C2S(NL80211_CMD_SET_BSS) | |
464 | C2S(NL80211_CMD_SET_REG) | |
465 | C2S(NL80211_CMD_REQ_SET_REG) | |
466 | C2S(NL80211_CMD_GET_MESH_CONFIG) | |
467 | C2S(NL80211_CMD_SET_MESH_CONFIG) | |
468 | C2S(NL80211_CMD_SET_MGMT_EXTRA_IE) | |
469 | C2S(NL80211_CMD_GET_REG) | |
470 | C2S(NL80211_CMD_GET_SCAN) | |
471 | C2S(NL80211_CMD_TRIGGER_SCAN) | |
472 | C2S(NL80211_CMD_NEW_SCAN_RESULTS) | |
473 | C2S(NL80211_CMD_SCAN_ABORTED) | |
474 | C2S(NL80211_CMD_REG_CHANGE) | |
475 | C2S(NL80211_CMD_AUTHENTICATE) | |
476 | C2S(NL80211_CMD_ASSOCIATE) | |
477 | C2S(NL80211_CMD_DEAUTHENTICATE) | |
478 | C2S(NL80211_CMD_DISASSOCIATE) | |
479 | C2S(NL80211_CMD_MICHAEL_MIC_FAILURE) | |
480 | C2S(NL80211_CMD_REG_BEACON_HINT) | |
481 | C2S(NL80211_CMD_JOIN_IBSS) | |
482 | C2S(NL80211_CMD_LEAVE_IBSS) | |
483 | C2S(NL80211_CMD_TESTMODE) | |
484 | C2S(NL80211_CMD_CONNECT) | |
485 | C2S(NL80211_CMD_ROAM) | |
486 | C2S(NL80211_CMD_DISCONNECT) | |
487 | C2S(NL80211_CMD_SET_WIPHY_NETNS) | |
488 | C2S(NL80211_CMD_GET_SURVEY) | |
489 | C2S(NL80211_CMD_NEW_SURVEY_RESULTS) | |
490 | C2S(NL80211_CMD_SET_PMKSA) | |
491 | C2S(NL80211_CMD_DEL_PMKSA) | |
492 | C2S(NL80211_CMD_FLUSH_PMKSA) | |
493 | C2S(NL80211_CMD_REMAIN_ON_CHANNEL) | |
494 | C2S(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL) | |
495 | C2S(NL80211_CMD_SET_TX_BITRATE_MASK) | |
496 | C2S(NL80211_CMD_REGISTER_FRAME) | |
497 | C2S(NL80211_CMD_FRAME) | |
498 | C2S(NL80211_CMD_FRAME_TX_STATUS) | |
499 | C2S(NL80211_CMD_SET_POWER_SAVE) | |
500 | C2S(NL80211_CMD_GET_POWER_SAVE) | |
501 | C2S(NL80211_CMD_SET_CQM) | |
502 | C2S(NL80211_CMD_NOTIFY_CQM) | |
503 | C2S(NL80211_CMD_SET_CHANNEL) | |
504 | C2S(NL80211_CMD_SET_WDS_PEER) | |
505 | C2S(NL80211_CMD_FRAME_WAIT_CANCEL) | |
506 | C2S(NL80211_CMD_JOIN_MESH) | |
507 | C2S(NL80211_CMD_LEAVE_MESH) | |
508 | C2S(NL80211_CMD_UNPROT_DEAUTHENTICATE) | |
509 | C2S(NL80211_CMD_UNPROT_DISASSOCIATE) | |
510 | C2S(NL80211_CMD_NEW_PEER_CANDIDATE) | |
511 | C2S(NL80211_CMD_GET_WOWLAN) | |
512 | C2S(NL80211_CMD_SET_WOWLAN) | |
513 | C2S(NL80211_CMD_START_SCHED_SCAN) | |
514 | C2S(NL80211_CMD_STOP_SCHED_SCAN) | |
515 | C2S(NL80211_CMD_SCHED_SCAN_RESULTS) | |
516 | C2S(NL80211_CMD_SCHED_SCAN_STOPPED) | |
517 | C2S(NL80211_CMD_SET_REKEY_OFFLOAD) | |
518 | C2S(NL80211_CMD_PMKSA_CANDIDATE) | |
519 | C2S(NL80211_CMD_TDLS_OPER) | |
520 | C2S(NL80211_CMD_TDLS_MGMT) | |
521 | C2S(NL80211_CMD_UNEXPECTED_FRAME) | |
522 | C2S(NL80211_CMD_PROBE_CLIENT) | |
523 | C2S(NL80211_CMD_REGISTER_BEACONS) | |
524 | C2S(NL80211_CMD_UNEXPECTED_4ADDR_FRAME) | |
525 | C2S(NL80211_CMD_SET_NOACK_MAP) | |
526 | C2S(NL80211_CMD_CH_SWITCH_NOTIFY) | |
527 | C2S(NL80211_CMD_START_P2P_DEVICE) | |
528 | C2S(NL80211_CMD_STOP_P2P_DEVICE) | |
529 | C2S(NL80211_CMD_CONN_FAILED) | |
530 | C2S(NL80211_CMD_SET_MCAST_RATE) | |
531 | C2S(NL80211_CMD_SET_MAC_ACL) | |
532 | C2S(NL80211_CMD_RADAR_DETECT) | |
533 | C2S(NL80211_CMD_GET_PROTOCOL_FEATURES) | |
534 | C2S(NL80211_CMD_UPDATE_FT_IES) | |
535 | C2S(NL80211_CMD_FT_EVENT) | |
536 | C2S(NL80211_CMD_CRIT_PROTOCOL_START) | |
537 | C2S(NL80211_CMD_CRIT_PROTOCOL_STOP) | |
538 | C2S(NL80211_CMD_GET_COALESCE) | |
539 | C2S(NL80211_CMD_SET_COALESCE) | |
540 | C2S(NL80211_CMD_CHANNEL_SWITCH) | |
541 | C2S(NL80211_CMD_VENDOR) | |
542 | C2S(NL80211_CMD_SET_QOS_MAP) | |
543 | default: | |
544 | return "NL80211_CMD_UNKNOWN"; | |
545 | } | |
546 | #undef C2S | |
547 | } | |
548 | ||
549 | ||
550 | /* Converts nl80211_chan_width to a common format */ | |
551 | static enum chan_width convert2width(int width) | |
552 | { | |
553 | switch (width) { | |
554 | case NL80211_CHAN_WIDTH_20_NOHT: | |
555 | return CHAN_WIDTH_20_NOHT; | |
556 | case NL80211_CHAN_WIDTH_20: | |
557 | return CHAN_WIDTH_20; | |
558 | case NL80211_CHAN_WIDTH_40: | |
559 | return CHAN_WIDTH_40; | |
560 | case NL80211_CHAN_WIDTH_80: | |
561 | return CHAN_WIDTH_80; | |
562 | case NL80211_CHAN_WIDTH_80P80: | |
563 | return CHAN_WIDTH_80P80; | |
564 | case NL80211_CHAN_WIDTH_160: | |
565 | return CHAN_WIDTH_160; | |
566 | } | |
567 | return CHAN_WIDTH_UNKNOWN; | |
568 | } | |
569 | ||
570 | ||
571 | static int is_ap_interface(enum nl80211_iftype nlmode) | |
572 | { | |
573 | return nlmode == NL80211_IFTYPE_AP || | |
574 | nlmode == NL80211_IFTYPE_P2P_GO; | |
575 | } | |
576 | ||
577 | ||
578 | static int is_sta_interface(enum nl80211_iftype nlmode) | |
579 | { | |
580 | return nlmode == NL80211_IFTYPE_STATION || | |
581 | nlmode == NL80211_IFTYPE_P2P_CLIENT; | |
582 | } | |
583 | ||
584 | ||
585 | static int is_p2p_net_interface(enum nl80211_iftype nlmode) | |
586 | { | |
587 | return nlmode == NL80211_IFTYPE_P2P_CLIENT || | |
588 | nlmode == NL80211_IFTYPE_P2P_GO; | |
589 | } | |
590 | ||
591 | ||
592 | static struct i802_bss * get_bss_ifindex(struct wpa_driver_nl80211_data *drv, | |
593 | int ifindex) | |
594 | { | |
595 | struct i802_bss *bss; | |
596 | ||
597 | for (bss = drv->first_bss; bss; bss = bss->next) { | |
598 | if (bss->ifindex == ifindex) | |
599 | return bss; | |
600 | } | |
601 | ||
602 | return NULL; | |
603 | } | |
604 | ||
605 | ||
606 | static void nl80211_mark_disconnected(struct wpa_driver_nl80211_data *drv) | |
607 | { | |
608 | if (drv->associated) | |
609 | os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN); | |
610 | drv->associated = 0; | |
611 | os_memset(drv->bssid, 0, ETH_ALEN); | |
612 | } | |
613 | ||
614 | ||
615 | struct nl80211_bss_info_arg { | |
616 | struct wpa_driver_nl80211_data *drv; | |
617 | struct wpa_scan_results *res; | |
618 | unsigned int assoc_freq; | |
619 | unsigned int ibss_freq; | |
620 | u8 assoc_bssid[ETH_ALEN]; | |
621 | }; | |
622 | ||
623 | static int bss_info_handler(struct nl_msg *msg, void *arg); | |
624 | ||
625 | ||
626 | /* nl80211 code */ | |
627 | static int ack_handler(struct nl_msg *msg, void *arg) | |
628 | { | |
629 | int *err = arg; | |
630 | *err = 0; | |
631 | return NL_STOP; | |
632 | } | |
633 | ||
634 | static int finish_handler(struct nl_msg *msg, void *arg) | |
635 | { | |
636 | int *ret = arg; | |
637 | *ret = 0; | |
638 | return NL_SKIP; | |
639 | } | |
640 | ||
641 | static int error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err, | |
642 | void *arg) | |
643 | { | |
644 | int *ret = arg; | |
645 | *ret = err->error; | |
646 | return NL_SKIP; | |
647 | } | |
648 | ||
649 | ||
650 | static int no_seq_check(struct nl_msg *msg, void *arg) | |
651 | { | |
652 | return NL_OK; | |
653 | } | |
654 | ||
655 | ||
656 | static int send_and_recv(struct nl80211_global *global, | |
657 | struct nl_handle *nl_handle, struct nl_msg *msg, | |
658 | int (*valid_handler)(struct nl_msg *, void *), | |
659 | void *valid_data) | |
660 | { | |
661 | struct nl_cb *cb; | |
662 | int err = -ENOMEM; | |
663 | ||
664 | cb = nl_cb_clone(global->nl_cb); | |
665 | if (!cb) | |
666 | goto out; | |
667 | ||
668 | err = nl_send_auto_complete(nl_handle, msg); | |
669 | if (err < 0) | |
670 | goto out; | |
671 | ||
672 | err = 1; | |
673 | ||
674 | nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &err); | |
675 | nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, &err); | |
676 | nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler, &err); | |
677 | ||
678 | if (valid_handler) | |
679 | nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, | |
680 | valid_handler, valid_data); | |
681 | ||
682 | while (err > 0) { | |
683 | int res = nl_recvmsgs(nl_handle, cb); | |
684 | if (res < 0) { | |
685 | wpa_printf(MSG_INFO, | |
686 | "nl80211: %s->nl_recvmsgs failed: %d", | |
687 | __func__, res); | |
688 | } | |
689 | } | |
690 | out: | |
691 | nl_cb_put(cb); | |
692 | nlmsg_free(msg); | |
693 | return err; | |
694 | } | |
695 | ||
696 | ||
697 | static int send_and_recv_msgs_global(struct nl80211_global *global, | |
698 | struct nl_msg *msg, | |
699 | int (*valid_handler)(struct nl_msg *, void *), | |
700 | void *valid_data) | |
701 | { | |
702 | return send_and_recv(global, global->nl, msg, valid_handler, | |
703 | valid_data); | |
704 | } | |
705 | ||
706 | ||
707 | static int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv, | |
708 | struct nl_msg *msg, | |
709 | int (*valid_handler)(struct nl_msg *, void *), | |
710 | void *valid_data) | |
711 | { | |
712 | return send_and_recv(drv->global, drv->global->nl, msg, | |
713 | valid_handler, valid_data); | |
714 | } | |
715 | ||
716 | ||
717 | struct family_data { | |
718 | const char *group; | |
719 | int id; | |
720 | }; | |
721 | ||
722 | ||
723 | static int nl80211_set_iface_id(struct nl_msg *msg, struct i802_bss *bss) | |
724 | { | |
725 | if (bss->wdev_id_set) | |
726 | NLA_PUT_U64(msg, NL80211_ATTR_WDEV, bss->wdev_id); | |
727 | else | |
728 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex); | |
729 | return 0; | |
730 | ||
731 | nla_put_failure: | |
732 | return -1; | |
733 | } | |
734 | ||
735 | ||
736 | static int family_handler(struct nl_msg *msg, void *arg) | |
737 | { | |
738 | struct family_data *res = arg; | |
739 | struct nlattr *tb[CTRL_ATTR_MAX + 1]; | |
740 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
741 | struct nlattr *mcgrp; | |
742 | int i; | |
743 | ||
744 | nla_parse(tb, CTRL_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
745 | genlmsg_attrlen(gnlh, 0), NULL); | |
746 | if (!tb[CTRL_ATTR_MCAST_GROUPS]) | |
747 | return NL_SKIP; | |
748 | ||
749 | nla_for_each_nested(mcgrp, tb[CTRL_ATTR_MCAST_GROUPS], i) { | |
750 | struct nlattr *tb2[CTRL_ATTR_MCAST_GRP_MAX + 1]; | |
751 | nla_parse(tb2, CTRL_ATTR_MCAST_GRP_MAX, nla_data(mcgrp), | |
752 | nla_len(mcgrp), NULL); | |
753 | if (!tb2[CTRL_ATTR_MCAST_GRP_NAME] || | |
754 | !tb2[CTRL_ATTR_MCAST_GRP_ID] || | |
755 | os_strncmp(nla_data(tb2[CTRL_ATTR_MCAST_GRP_NAME]), | |
756 | res->group, | |
757 | nla_len(tb2[CTRL_ATTR_MCAST_GRP_NAME])) != 0) | |
758 | continue; | |
759 | res->id = nla_get_u32(tb2[CTRL_ATTR_MCAST_GRP_ID]); | |
760 | break; | |
761 | }; | |
762 | ||
763 | return NL_SKIP; | |
764 | } | |
765 | ||
766 | ||
767 | static int nl_get_multicast_id(struct nl80211_global *global, | |
768 | const char *family, const char *group) | |
769 | { | |
770 | struct nl_msg *msg; | |
771 | int ret = -1; | |
772 | struct family_data res = { group, -ENOENT }; | |
773 | ||
774 | msg = nlmsg_alloc(); | |
775 | if (!msg) | |
776 | return -ENOMEM; | |
777 | genlmsg_put(msg, 0, 0, genl_ctrl_resolve(global->nl, "nlctrl"), | |
778 | 0, 0, CTRL_CMD_GETFAMILY, 0); | |
779 | NLA_PUT_STRING(msg, CTRL_ATTR_FAMILY_NAME, family); | |
780 | ||
781 | ret = send_and_recv_msgs_global(global, msg, family_handler, &res); | |
782 | msg = NULL; | |
783 | if (ret == 0) | |
784 | ret = res.id; | |
785 | ||
786 | nla_put_failure: | |
787 | nlmsg_free(msg); | |
788 | return ret; | |
789 | } | |
790 | ||
791 | ||
792 | static void * nl80211_cmd(struct wpa_driver_nl80211_data *drv, | |
793 | struct nl_msg *msg, int flags, uint8_t cmd) | |
794 | { | |
795 | return genlmsg_put(msg, 0, 0, drv->global->nl80211_id, | |
796 | 0, flags, cmd, 0); | |
797 | } | |
798 | ||
799 | ||
800 | struct wiphy_idx_data { | |
801 | int wiphy_idx; | |
802 | enum nl80211_iftype nlmode; | |
803 | u8 *macaddr; | |
804 | }; | |
805 | ||
806 | ||
807 | static int netdev_info_handler(struct nl_msg *msg, void *arg) | |
808 | { | |
809 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
810 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
811 | struct wiphy_idx_data *info = arg; | |
812 | ||
813 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
814 | genlmsg_attrlen(gnlh, 0), NULL); | |
815 | ||
816 | if (tb[NL80211_ATTR_WIPHY]) | |
817 | info->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]); | |
818 | ||
819 | if (tb[NL80211_ATTR_IFTYPE]) | |
820 | info->nlmode = nla_get_u32(tb[NL80211_ATTR_IFTYPE]); | |
821 | ||
822 | if (tb[NL80211_ATTR_MAC] && info->macaddr) | |
823 | os_memcpy(info->macaddr, nla_data(tb[NL80211_ATTR_MAC]), | |
824 | ETH_ALEN); | |
825 | ||
826 | return NL_SKIP; | |
827 | } | |
828 | ||
829 | ||
830 | static int nl80211_get_wiphy_index(struct i802_bss *bss) | |
831 | { | |
832 | struct nl_msg *msg; | |
833 | struct wiphy_idx_data data = { | |
834 | .wiphy_idx = -1, | |
835 | .macaddr = NULL, | |
836 | }; | |
837 | ||
838 | msg = nlmsg_alloc(); | |
839 | if (!msg) | |
840 | return NL80211_IFTYPE_UNSPECIFIED; | |
841 | ||
842 | nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_GET_INTERFACE); | |
843 | ||
844 | if (nl80211_set_iface_id(msg, bss) < 0) | |
845 | goto nla_put_failure; | |
846 | ||
847 | if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0) | |
848 | return data.wiphy_idx; | |
849 | msg = NULL; | |
850 | nla_put_failure: | |
851 | nlmsg_free(msg); | |
852 | return -1; | |
853 | } | |
854 | ||
855 | ||
856 | static enum nl80211_iftype nl80211_get_ifmode(struct i802_bss *bss) | |
857 | { | |
858 | struct nl_msg *msg; | |
859 | struct wiphy_idx_data data = { | |
860 | .nlmode = NL80211_IFTYPE_UNSPECIFIED, | |
861 | .macaddr = NULL, | |
862 | }; | |
863 | ||
864 | msg = nlmsg_alloc(); | |
865 | if (!msg) | |
866 | return -1; | |
867 | ||
868 | nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_GET_INTERFACE); | |
869 | ||
870 | if (nl80211_set_iface_id(msg, bss) < 0) | |
871 | goto nla_put_failure; | |
872 | ||
873 | if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0) | |
874 | return data.nlmode; | |
875 | msg = NULL; | |
876 | nla_put_failure: | |
877 | nlmsg_free(msg); | |
878 | return NL80211_IFTYPE_UNSPECIFIED; | |
879 | } | |
880 | ||
881 | ||
882 | static int nl80211_get_macaddr(struct i802_bss *bss) | |
883 | { | |
884 | struct nl_msg *msg; | |
885 | struct wiphy_idx_data data = { | |
886 | .macaddr = bss->addr, | |
887 | }; | |
888 | ||
889 | msg = nlmsg_alloc(); | |
890 | if (!msg) | |
891 | return NL80211_IFTYPE_UNSPECIFIED; | |
892 | ||
893 | nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_GET_INTERFACE); | |
894 | if (nl80211_set_iface_id(msg, bss) < 0) | |
895 | goto nla_put_failure; | |
896 | ||
897 | return send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data); | |
898 | ||
899 | nla_put_failure: | |
900 | nlmsg_free(msg); | |
901 | return NL80211_IFTYPE_UNSPECIFIED; | |
902 | } | |
903 | ||
904 | ||
905 | static int nl80211_register_beacons(struct wpa_driver_nl80211_data *drv, | |
906 | struct nl80211_wiphy_data *w) | |
907 | { | |
908 | struct nl_msg *msg; | |
909 | int ret = -1; | |
910 | ||
911 | msg = nlmsg_alloc(); | |
912 | if (!msg) | |
913 | return -1; | |
914 | ||
915 | nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_BEACONS); | |
916 | ||
917 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, w->wiphy_idx); | |
918 | ||
919 | ret = send_and_recv(drv->global, w->nl_beacons, msg, NULL, NULL); | |
920 | msg = NULL; | |
921 | if (ret) { | |
922 | wpa_printf(MSG_DEBUG, "nl80211: Register beacons command " | |
923 | "failed: ret=%d (%s)", | |
924 | ret, strerror(-ret)); | |
925 | goto nla_put_failure; | |
926 | } | |
927 | ret = 0; | |
928 | nla_put_failure: | |
929 | nlmsg_free(msg); | |
930 | return ret; | |
931 | } | |
932 | ||
933 | ||
934 | static void nl80211_recv_beacons(int sock, void *eloop_ctx, void *handle) | |
935 | { | |
936 | struct nl80211_wiphy_data *w = eloop_ctx; | |
937 | int res; | |
938 | ||
939 | wpa_printf(MSG_EXCESSIVE, "nl80211: Beacon event message available"); | |
940 | ||
941 | res = nl_recvmsgs(handle, w->nl_cb); | |
942 | if (res < 0) { | |
943 | wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d", | |
944 | __func__, res); | |
945 | } | |
946 | } | |
947 | ||
948 | ||
949 | static int process_beacon_event(struct nl_msg *msg, void *arg) | |
950 | { | |
951 | struct nl80211_wiphy_data *w = arg; | |
952 | struct wpa_driver_nl80211_data *drv; | |
953 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
954 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
955 | union wpa_event_data event; | |
956 | ||
957 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
958 | genlmsg_attrlen(gnlh, 0), NULL); | |
959 | ||
960 | if (gnlh->cmd != NL80211_CMD_FRAME) { | |
961 | wpa_printf(MSG_DEBUG, "nl80211: Unexpected beacon event? (%d)", | |
962 | gnlh->cmd); | |
963 | return NL_SKIP; | |
964 | } | |
965 | ||
966 | if (!tb[NL80211_ATTR_FRAME]) | |
967 | return NL_SKIP; | |
968 | ||
969 | dl_list_for_each(drv, &w->drvs, struct wpa_driver_nl80211_data, | |
970 | wiphy_list) { | |
971 | os_memset(&event, 0, sizeof(event)); | |
972 | event.rx_mgmt.frame = nla_data(tb[NL80211_ATTR_FRAME]); | |
973 | event.rx_mgmt.frame_len = nla_len(tb[NL80211_ATTR_FRAME]); | |
974 | wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event); | |
975 | } | |
976 | ||
977 | return NL_SKIP; | |
978 | } | |
979 | ||
980 | ||
981 | static struct nl80211_wiphy_data * | |
982 | nl80211_get_wiphy_data_ap(struct i802_bss *bss) | |
983 | { | |
984 | static DEFINE_DL_LIST(nl80211_wiphys); | |
985 | struct nl80211_wiphy_data *w; | |
986 | int wiphy_idx, found = 0; | |
987 | struct i802_bss *tmp_bss; | |
988 | ||
989 | if (bss->wiphy_data != NULL) | |
990 | return bss->wiphy_data; | |
991 | ||
992 | wiphy_idx = nl80211_get_wiphy_index(bss); | |
993 | ||
994 | dl_list_for_each(w, &nl80211_wiphys, struct nl80211_wiphy_data, list) { | |
995 | if (w->wiphy_idx == wiphy_idx) | |
996 | goto add; | |
997 | } | |
998 | ||
999 | /* alloc new one */ | |
1000 | w = os_zalloc(sizeof(*w)); | |
1001 | if (w == NULL) | |
1002 | return NULL; | |
1003 | w->wiphy_idx = wiphy_idx; | |
1004 | dl_list_init(&w->bsss); | |
1005 | dl_list_init(&w->drvs); | |
1006 | ||
1007 | w->nl_cb = nl_cb_alloc(NL_CB_DEFAULT); | |
1008 | if (!w->nl_cb) { | |
1009 | os_free(w); | |
1010 | return NULL; | |
1011 | } | |
1012 | nl_cb_set(w->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, no_seq_check, NULL); | |
1013 | nl_cb_set(w->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, process_beacon_event, | |
1014 | w); | |
1015 | ||
1016 | w->nl_beacons = nl_create_handle(bss->drv->global->nl_cb, | |
1017 | "wiphy beacons"); | |
1018 | if (w->nl_beacons == NULL) { | |
1019 | os_free(w); | |
1020 | return NULL; | |
1021 | } | |
1022 | ||
1023 | if (nl80211_register_beacons(bss->drv, w)) { | |
1024 | nl_destroy_handles(&w->nl_beacons); | |
1025 | os_free(w); | |
1026 | return NULL; | |
1027 | } | |
1028 | ||
1029 | nl80211_register_eloop_read(&w->nl_beacons, nl80211_recv_beacons, w); | |
1030 | ||
1031 | dl_list_add(&nl80211_wiphys, &w->list); | |
1032 | ||
1033 | add: | |
1034 | /* drv entry for this bss already there? */ | |
1035 | dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) { | |
1036 | if (tmp_bss->drv == bss->drv) { | |
1037 | found = 1; | |
1038 | break; | |
1039 | } | |
1040 | } | |
1041 | /* if not add it */ | |
1042 | if (!found) | |
1043 | dl_list_add(&w->drvs, &bss->drv->wiphy_list); | |
1044 | ||
1045 | dl_list_add(&w->bsss, &bss->wiphy_list); | |
1046 | bss->wiphy_data = w; | |
1047 | return w; | |
1048 | } | |
1049 | ||
1050 | ||
1051 | static void nl80211_put_wiphy_data_ap(struct i802_bss *bss) | |
1052 | { | |
1053 | struct nl80211_wiphy_data *w = bss->wiphy_data; | |
1054 | struct i802_bss *tmp_bss; | |
1055 | int found = 0; | |
1056 | ||
1057 | if (w == NULL) | |
1058 | return; | |
1059 | bss->wiphy_data = NULL; | |
1060 | dl_list_del(&bss->wiphy_list); | |
1061 | ||
1062 | /* still any for this drv present? */ | |
1063 | dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) { | |
1064 | if (tmp_bss->drv == bss->drv) { | |
1065 | found = 1; | |
1066 | break; | |
1067 | } | |
1068 | } | |
1069 | /* if not remove it */ | |
1070 | if (!found) | |
1071 | dl_list_del(&bss->drv->wiphy_list); | |
1072 | ||
1073 | if (!dl_list_empty(&w->bsss)) | |
1074 | return; | |
1075 | ||
1076 | nl80211_destroy_eloop_handle(&w->nl_beacons); | |
1077 | ||
1078 | nl_cb_put(w->nl_cb); | |
1079 | dl_list_del(&w->list); | |
1080 | os_free(w); | |
1081 | } | |
1082 | ||
1083 | ||
1084 | static int wpa_driver_nl80211_get_bssid(void *priv, u8 *bssid) | |
1085 | { | |
1086 | struct i802_bss *bss = priv; | |
1087 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
1088 | if (!drv->associated) | |
1089 | return -1; | |
1090 | os_memcpy(bssid, drv->bssid, ETH_ALEN); | |
1091 | return 0; | |
1092 | } | |
1093 | ||
1094 | ||
1095 | static int wpa_driver_nl80211_get_ssid(void *priv, u8 *ssid) | |
1096 | { | |
1097 | struct i802_bss *bss = priv; | |
1098 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
1099 | if (!drv->associated) | |
1100 | return -1; | |
1101 | os_memcpy(ssid, drv->ssid, drv->ssid_len); | |
1102 | return drv->ssid_len; | |
1103 | } | |
1104 | ||
1105 | ||
1106 | static void wpa_driver_nl80211_event_newlink( | |
1107 | struct wpa_driver_nl80211_data *drv, char *ifname) | |
1108 | { | |
1109 | union wpa_event_data event; | |
1110 | ||
1111 | if (os_strcmp(drv->first_bss->ifname, ifname) == 0) { | |
1112 | if (if_nametoindex(drv->first_bss->ifname) == 0) { | |
1113 | wpa_printf(MSG_DEBUG, "nl80211: Interface %s does not exist - ignore RTM_NEWLINK", | |
1114 | drv->first_bss->ifname); | |
1115 | return; | |
1116 | } | |
1117 | if (!drv->if_removed) | |
1118 | return; | |
1119 | wpa_printf(MSG_DEBUG, "nl80211: Mark if_removed=0 for %s based on RTM_NEWLINK event", | |
1120 | drv->first_bss->ifname); | |
1121 | drv->if_removed = 0; | |
1122 | } | |
1123 | ||
1124 | os_memset(&event, 0, sizeof(event)); | |
1125 | os_strlcpy(event.interface_status.ifname, ifname, | |
1126 | sizeof(event.interface_status.ifname)); | |
1127 | event.interface_status.ievent = EVENT_INTERFACE_ADDED; | |
1128 | wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event); | |
1129 | } | |
1130 | ||
1131 | ||
1132 | static void wpa_driver_nl80211_event_dellink( | |
1133 | struct wpa_driver_nl80211_data *drv, char *ifname) | |
1134 | { | |
1135 | union wpa_event_data event; | |
1136 | ||
1137 | if (os_strcmp(drv->first_bss->ifname, ifname) == 0) { | |
1138 | if (drv->if_removed) { | |
1139 | wpa_printf(MSG_DEBUG, "nl80211: if_removed already set - ignore RTM_DELLINK event for %s", | |
1140 | ifname); | |
1141 | return; | |
1142 | } | |
1143 | wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed - mark if_removed=1", | |
1144 | ifname); | |
1145 | drv->if_removed = 1; | |
1146 | } else { | |
1147 | wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed", | |
1148 | ifname); | |
1149 | } | |
1150 | ||
1151 | os_memset(&event, 0, sizeof(event)); | |
1152 | os_strlcpy(event.interface_status.ifname, ifname, | |
1153 | sizeof(event.interface_status.ifname)); | |
1154 | event.interface_status.ievent = EVENT_INTERFACE_REMOVED; | |
1155 | wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event); | |
1156 | } | |
1157 | ||
1158 | ||
1159 | static int wpa_driver_nl80211_own_ifname(struct wpa_driver_nl80211_data *drv, | |
1160 | u8 *buf, size_t len) | |
1161 | { | |
1162 | int attrlen, rta_len; | |
1163 | struct rtattr *attr; | |
1164 | ||
1165 | attrlen = len; | |
1166 | attr = (struct rtattr *) buf; | |
1167 | ||
1168 | rta_len = RTA_ALIGN(sizeof(struct rtattr)); | |
1169 | while (RTA_OK(attr, attrlen)) { | |
1170 | if (attr->rta_type == IFLA_IFNAME) { | |
1171 | if (os_strcmp(((char *) attr) + rta_len, | |
1172 | drv->first_bss->ifname) == 0) | |
1173 | return 1; | |
1174 | else | |
1175 | break; | |
1176 | } | |
1177 | attr = RTA_NEXT(attr, attrlen); | |
1178 | } | |
1179 | ||
1180 | return 0; | |
1181 | } | |
1182 | ||
1183 | ||
1184 | static int wpa_driver_nl80211_own_ifindex(struct wpa_driver_nl80211_data *drv, | |
1185 | int ifindex, u8 *buf, size_t len) | |
1186 | { | |
1187 | if (drv->ifindex == ifindex) | |
1188 | return 1; | |
1189 | ||
1190 | if (drv->if_removed && wpa_driver_nl80211_own_ifname(drv, buf, len)) { | |
1191 | wpa_printf(MSG_DEBUG, "nl80211: Update ifindex for a removed " | |
1192 | "interface"); | |
1193 | wpa_driver_nl80211_finish_drv_init(drv, NULL, 0); | |
1194 | return 1; | |
1195 | } | |
1196 | ||
1197 | return 0; | |
1198 | } | |
1199 | ||
1200 | ||
1201 | static struct wpa_driver_nl80211_data * | |
1202 | nl80211_find_drv(struct nl80211_global *global, int idx, u8 *buf, size_t len) | |
1203 | { | |
1204 | struct wpa_driver_nl80211_data *drv; | |
1205 | dl_list_for_each(drv, &global->interfaces, | |
1206 | struct wpa_driver_nl80211_data, list) { | |
1207 | if (wpa_driver_nl80211_own_ifindex(drv, idx, buf, len) || | |
1208 | have_ifidx(drv, idx)) | |
1209 | return drv; | |
1210 | } | |
1211 | return NULL; | |
1212 | } | |
1213 | ||
1214 | ||
1215 | static void wpa_driver_nl80211_event_rtm_newlink(void *ctx, | |
1216 | struct ifinfomsg *ifi, | |
1217 | u8 *buf, size_t len) | |
1218 | { | |
1219 | struct nl80211_global *global = ctx; | |
1220 | struct wpa_driver_nl80211_data *drv; | |
1221 | int attrlen; | |
1222 | struct rtattr *attr; | |
1223 | u32 brid = 0; | |
1224 | char namebuf[IFNAMSIZ]; | |
1225 | char ifname[IFNAMSIZ + 1]; | |
1226 | char extra[100], *pos, *end; | |
1227 | ||
1228 | drv = nl80211_find_drv(global, ifi->ifi_index, buf, len); | |
1229 | if (!drv) { | |
1230 | wpa_printf(MSG_DEBUG, "nl80211: Ignore RTM_NEWLINK event for foreign ifindex %d", | |
1231 | ifi->ifi_index); | |
1232 | return; | |
1233 | } | |
1234 | ||
1235 | extra[0] = '\0'; | |
1236 | pos = extra; | |
1237 | end = pos + sizeof(extra); | |
1238 | ifname[0] = '\0'; | |
1239 | ||
1240 | attrlen = len; | |
1241 | attr = (struct rtattr *) buf; | |
1242 | while (RTA_OK(attr, attrlen)) { | |
1243 | switch (attr->rta_type) { | |
1244 | case IFLA_IFNAME: | |
1245 | if (RTA_PAYLOAD(attr) >= IFNAMSIZ) | |
1246 | break; | |
1247 | os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr)); | |
1248 | ifname[RTA_PAYLOAD(attr)] = '\0'; | |
1249 | break; | |
1250 | case IFLA_MASTER: | |
1251 | brid = nla_get_u32((struct nlattr *) attr); | |
1252 | pos += os_snprintf(pos, end - pos, " master=%u", brid); | |
1253 | break; | |
1254 | case IFLA_WIRELESS: | |
1255 | pos += os_snprintf(pos, end - pos, " wext"); | |
1256 | break; | |
1257 | case IFLA_OPERSTATE: | |
1258 | pos += os_snprintf(pos, end - pos, " operstate=%u", | |
1259 | nla_get_u32((struct nlattr *) attr)); | |
1260 | break; | |
1261 | case IFLA_LINKMODE: | |
1262 | pos += os_snprintf(pos, end - pos, " linkmode=%u", | |
1263 | nla_get_u32((struct nlattr *) attr)); | |
1264 | break; | |
1265 | } | |
1266 | attr = RTA_NEXT(attr, attrlen); | |
1267 | } | |
1268 | extra[sizeof(extra) - 1] = '\0'; | |
1269 | ||
1270 | wpa_printf(MSG_DEBUG, "RTM_NEWLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)", | |
1271 | ifi->ifi_index, ifname, extra, ifi->ifi_family, | |
1272 | ifi->ifi_flags, | |
1273 | (ifi->ifi_flags & IFF_UP) ? "[UP]" : "", | |
1274 | (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "", | |
1275 | (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "", | |
1276 | (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : ""); | |
1277 | ||
1278 | if (!drv->if_disabled && !(ifi->ifi_flags & IFF_UP)) { | |
1279 | if (if_indextoname(ifi->ifi_index, namebuf) && | |
1280 | linux_iface_up(drv->global->ioctl_sock, | |
1281 | drv->first_bss->ifname) > 0) { | |
1282 | wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down " | |
1283 | "event since interface %s is up", namebuf); | |
1284 | return; | |
1285 | } | |
1286 | wpa_printf(MSG_DEBUG, "nl80211: Interface down"); | |
1287 | if (drv->ignore_if_down_event) { | |
1288 | wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down " | |
1289 | "event generated by mode change"); | |
1290 | drv->ignore_if_down_event = 0; | |
1291 | } else { | |
1292 | drv->if_disabled = 1; | |
1293 | wpa_supplicant_event(drv->ctx, | |
1294 | EVENT_INTERFACE_DISABLED, NULL); | |
1295 | ||
1296 | /* | |
1297 | * Try to get drv again, since it may be removed as | |
1298 | * part of the EVENT_INTERFACE_DISABLED handling for | |
1299 | * dynamic interfaces | |
1300 | */ | |
1301 | drv = nl80211_find_drv(global, ifi->ifi_index, | |
1302 | buf, len); | |
1303 | if (!drv) | |
1304 | return; | |
1305 | } | |
1306 | } | |
1307 | ||
1308 | if (drv->if_disabled && (ifi->ifi_flags & IFF_UP)) { | |
1309 | if (if_indextoname(ifi->ifi_index, namebuf) && | |
1310 | linux_iface_up(drv->global->ioctl_sock, | |
1311 | drv->first_bss->ifname) == 0) { | |
1312 | wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up " | |
1313 | "event since interface %s is down", | |
1314 | namebuf); | |
1315 | } else if (if_nametoindex(drv->first_bss->ifname) == 0) { | |
1316 | wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up " | |
1317 | "event since interface %s does not exist", | |
1318 | drv->first_bss->ifname); | |
1319 | } else if (drv->if_removed) { | |
1320 | wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up " | |
1321 | "event since interface %s is marked " | |
1322 | "removed", drv->first_bss->ifname); | |
1323 | } else { | |
1324 | struct i802_bss *bss; | |
1325 | u8 addr[ETH_ALEN]; | |
1326 | ||
1327 | /* Re-read MAC address as it may have changed */ | |
1328 | bss = get_bss_ifindex(drv, ifi->ifi_index); | |
1329 | if (bss && | |
1330 | linux_get_ifhwaddr(drv->global->ioctl_sock, | |
1331 | bss->ifname, addr) < 0) { | |
1332 | wpa_printf(MSG_DEBUG, | |
1333 | "nl80211: %s: failed to re-read MAC address", | |
1334 | bss->ifname); | |
1335 | } else if (bss && | |
1336 | os_memcmp(addr, bss->addr, ETH_ALEN) != 0) { | |
1337 | wpa_printf(MSG_DEBUG, | |
1338 | "nl80211: Own MAC address on ifindex %d (%s) changed from " | |
1339 | MACSTR " to " MACSTR, | |
1340 | ifi->ifi_index, bss->ifname, | |
1341 | MAC2STR(bss->addr), | |
1342 | MAC2STR(addr)); | |
1343 | os_memcpy(bss->addr, addr, ETH_ALEN); | |
1344 | } | |
1345 | ||
1346 | wpa_printf(MSG_DEBUG, "nl80211: Interface up"); | |
1347 | drv->if_disabled = 0; | |
1348 | wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED, | |
1349 | NULL); | |
1350 | } | |
1351 | } | |
1352 | ||
1353 | /* | |
1354 | * Some drivers send the association event before the operup event--in | |
1355 | * this case, lifting operstate in wpa_driver_nl80211_set_operstate() | |
1356 | * fails. This will hit us when wpa_supplicant does not need to do | |
1357 | * IEEE 802.1X authentication | |
1358 | */ | |
1359 | if (drv->operstate == 1 && | |
1360 | (ifi->ifi_flags & (IFF_LOWER_UP | IFF_DORMANT)) == IFF_LOWER_UP && | |
1361 | !(ifi->ifi_flags & IFF_RUNNING)) { | |
1362 | wpa_printf(MSG_DEBUG, "nl80211: Set IF_OPER_UP again based on ifi_flags and expected operstate"); | |
1363 | netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, | |
1364 | -1, IF_OPER_UP); | |
1365 | } | |
1366 | ||
1367 | if (ifname[0]) | |
1368 | wpa_driver_nl80211_event_newlink(drv, ifname); | |
1369 | ||
1370 | if (ifi->ifi_family == AF_BRIDGE && brid) { | |
1371 | /* device has been added to bridge */ | |
1372 | if_indextoname(brid, namebuf); | |
1373 | wpa_printf(MSG_DEBUG, "nl80211: Add ifindex %u for bridge %s", | |
1374 | brid, namebuf); | |
1375 | add_ifidx(drv, brid); | |
1376 | } | |
1377 | } | |
1378 | ||
1379 | ||
1380 | static void wpa_driver_nl80211_event_rtm_dellink(void *ctx, | |
1381 | struct ifinfomsg *ifi, | |
1382 | u8 *buf, size_t len) | |
1383 | { | |
1384 | struct nl80211_global *global = ctx; | |
1385 | struct wpa_driver_nl80211_data *drv; | |
1386 | int attrlen; | |
1387 | struct rtattr *attr; | |
1388 | u32 brid = 0; | |
1389 | char ifname[IFNAMSIZ + 1]; | |
1390 | char extra[100], *pos, *end; | |
1391 | ||
1392 | drv = nl80211_find_drv(global, ifi->ifi_index, buf, len); | |
1393 | if (!drv) { | |
1394 | wpa_printf(MSG_DEBUG, "nl80211: Ignore RTM_DELLINK event for foreign ifindex %d", | |
1395 | ifi->ifi_index); | |
1396 | return; | |
1397 | } | |
1398 | ||
1399 | extra[0] = '\0'; | |
1400 | pos = extra; | |
1401 | end = pos + sizeof(extra); | |
1402 | ifname[0] = '\0'; | |
1403 | ||
1404 | attrlen = len; | |
1405 | attr = (struct rtattr *) buf; | |
1406 | while (RTA_OK(attr, attrlen)) { | |
1407 | switch (attr->rta_type) { | |
1408 | case IFLA_IFNAME: | |
1409 | if (RTA_PAYLOAD(attr) >= IFNAMSIZ) | |
1410 | break; | |
1411 | os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr)); | |
1412 | ifname[RTA_PAYLOAD(attr)] = '\0'; | |
1413 | break; | |
1414 | case IFLA_MASTER: | |
1415 | brid = nla_get_u32((struct nlattr *) attr); | |
1416 | pos += os_snprintf(pos, end - pos, " master=%u", brid); | |
1417 | break; | |
1418 | case IFLA_OPERSTATE: | |
1419 | pos += os_snprintf(pos, end - pos, " operstate=%u", | |
1420 | nla_get_u32((struct nlattr *) attr)); | |
1421 | break; | |
1422 | case IFLA_LINKMODE: | |
1423 | pos += os_snprintf(pos, end - pos, " linkmode=%u", | |
1424 | nla_get_u32((struct nlattr *) attr)); | |
1425 | break; | |
1426 | } | |
1427 | attr = RTA_NEXT(attr, attrlen); | |
1428 | } | |
1429 | extra[sizeof(extra) - 1] = '\0'; | |
1430 | ||
1431 | wpa_printf(MSG_DEBUG, "RTM_DELLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)", | |
1432 | ifi->ifi_index, ifname, extra, ifi->ifi_family, | |
1433 | ifi->ifi_flags, | |
1434 | (ifi->ifi_flags & IFF_UP) ? "[UP]" : "", | |
1435 | (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "", | |
1436 | (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "", | |
1437 | (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : ""); | |
1438 | ||
1439 | if (ifname[0] && (ifi->ifi_family != AF_BRIDGE || !brid)) | |
1440 | wpa_driver_nl80211_event_dellink(drv, ifname); | |
1441 | ||
1442 | if (ifi->ifi_family == AF_BRIDGE && brid) { | |
1443 | /* device has been removed from bridge */ | |
1444 | char namebuf[IFNAMSIZ]; | |
1445 | if_indextoname(brid, namebuf); | |
1446 | wpa_printf(MSG_DEBUG, "nl80211: Remove ifindex %u for bridge " | |
1447 | "%s", brid, namebuf); | |
1448 | del_ifidx(drv, brid); | |
1449 | } | |
1450 | } | |
1451 | ||
1452 | ||
1453 | static void mlme_event_auth(struct wpa_driver_nl80211_data *drv, | |
1454 | const u8 *frame, size_t len) | |
1455 | { | |
1456 | const struct ieee80211_mgmt *mgmt; | |
1457 | union wpa_event_data event; | |
1458 | ||
1459 | if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME) && | |
1460 | drv->force_connect_cmd) { | |
1461 | /* | |
1462 | * Avoid reporting two association events that would confuse | |
1463 | * the core code. | |
1464 | */ | |
1465 | wpa_printf(MSG_DEBUG, | |
1466 | "nl80211: Ignore auth event when using driver SME"); | |
1467 | return; | |
1468 | } | |
1469 | ||
1470 | wpa_printf(MSG_DEBUG, "nl80211: Authenticate event"); | |
1471 | mgmt = (const struct ieee80211_mgmt *) frame; | |
1472 | if (len < 24 + sizeof(mgmt->u.auth)) { | |
1473 | wpa_printf(MSG_DEBUG, "nl80211: Too short association event " | |
1474 | "frame"); | |
1475 | return; | |
1476 | } | |
1477 | ||
1478 | os_memcpy(drv->auth_bssid, mgmt->sa, ETH_ALEN); | |
1479 | os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN); | |
1480 | os_memset(&event, 0, sizeof(event)); | |
1481 | os_memcpy(event.auth.peer, mgmt->sa, ETH_ALEN); | |
1482 | event.auth.auth_type = le_to_host16(mgmt->u.auth.auth_alg); | |
1483 | event.auth.auth_transaction = | |
1484 | le_to_host16(mgmt->u.auth.auth_transaction); | |
1485 | event.auth.status_code = le_to_host16(mgmt->u.auth.status_code); | |
1486 | if (len > 24 + sizeof(mgmt->u.auth)) { | |
1487 | event.auth.ies = mgmt->u.auth.variable; | |
1488 | event.auth.ies_len = len - 24 - sizeof(mgmt->u.auth); | |
1489 | } | |
1490 | ||
1491 | wpa_supplicant_event(drv->ctx, EVENT_AUTH, &event); | |
1492 | } | |
1493 | ||
1494 | ||
1495 | static unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv) | |
1496 | { | |
1497 | struct nl_msg *msg; | |
1498 | int ret; | |
1499 | struct nl80211_bss_info_arg arg; | |
1500 | ||
1501 | os_memset(&arg, 0, sizeof(arg)); | |
1502 | msg = nlmsg_alloc(); | |
1503 | if (!msg) | |
1504 | goto nla_put_failure; | |
1505 | ||
1506 | nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SCAN); | |
1507 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
1508 | ||
1509 | arg.drv = drv; | |
1510 | ret = send_and_recv_msgs(drv, msg, bss_info_handler, &arg); | |
1511 | msg = NULL; | |
1512 | if (ret == 0) { | |
1513 | unsigned int freq = drv->nlmode == NL80211_IFTYPE_ADHOC ? | |
1514 | arg.ibss_freq : arg.assoc_freq; | |
1515 | wpa_printf(MSG_DEBUG, "nl80211: Operating frequency for the " | |
1516 | "associated BSS from scan results: %u MHz", freq); | |
1517 | if (freq) | |
1518 | drv->assoc_freq = freq; | |
1519 | return drv->assoc_freq; | |
1520 | } | |
1521 | wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d " | |
1522 | "(%s)", ret, strerror(-ret)); | |
1523 | nla_put_failure: | |
1524 | nlmsg_free(msg); | |
1525 | return drv->assoc_freq; | |
1526 | } | |
1527 | ||
1528 | ||
1529 | static void mlme_event_assoc(struct wpa_driver_nl80211_data *drv, | |
1530 | const u8 *frame, size_t len) | |
1531 | { | |
1532 | const struct ieee80211_mgmt *mgmt; | |
1533 | union wpa_event_data event; | |
1534 | u16 status; | |
1535 | ||
1536 | if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME) && | |
1537 | drv->force_connect_cmd) { | |
1538 | /* | |
1539 | * Avoid reporting two association events that would confuse | |
1540 | * the core code. | |
1541 | */ | |
1542 | wpa_printf(MSG_DEBUG, | |
1543 | "nl80211: Ignore assoc event when using driver SME"); | |
1544 | return; | |
1545 | } | |
1546 | ||
1547 | wpa_printf(MSG_DEBUG, "nl80211: Associate event"); | |
1548 | mgmt = (const struct ieee80211_mgmt *) frame; | |
1549 | if (len < 24 + sizeof(mgmt->u.assoc_resp)) { | |
1550 | wpa_printf(MSG_DEBUG, "nl80211: Too short association event " | |
1551 | "frame"); | |
1552 | return; | |
1553 | } | |
1554 | ||
1555 | status = le_to_host16(mgmt->u.assoc_resp.status_code); | |
1556 | if (status != WLAN_STATUS_SUCCESS) { | |
1557 | os_memset(&event, 0, sizeof(event)); | |
1558 | event.assoc_reject.bssid = mgmt->bssid; | |
1559 | if (len > 24 + sizeof(mgmt->u.assoc_resp)) { | |
1560 | event.assoc_reject.resp_ies = | |
1561 | (u8 *) mgmt->u.assoc_resp.variable; | |
1562 | event.assoc_reject.resp_ies_len = | |
1563 | len - 24 - sizeof(mgmt->u.assoc_resp); | |
1564 | } | |
1565 | event.assoc_reject.status_code = status; | |
1566 | ||
1567 | wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event); | |
1568 | return; | |
1569 | } | |
1570 | ||
1571 | drv->associated = 1; | |
1572 | os_memcpy(drv->bssid, mgmt->sa, ETH_ALEN); | |
1573 | os_memcpy(drv->prev_bssid, mgmt->sa, ETH_ALEN); | |
1574 | ||
1575 | os_memset(&event, 0, sizeof(event)); | |
1576 | if (len > 24 + sizeof(mgmt->u.assoc_resp)) { | |
1577 | event.assoc_info.resp_ies = (u8 *) mgmt->u.assoc_resp.variable; | |
1578 | event.assoc_info.resp_ies_len = | |
1579 | len - 24 - sizeof(mgmt->u.assoc_resp); | |
1580 | } | |
1581 | ||
1582 | event.assoc_info.freq = drv->assoc_freq; | |
1583 | ||
1584 | wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event); | |
1585 | } | |
1586 | ||
1587 | ||
1588 | static void mlme_event_connect(struct wpa_driver_nl80211_data *drv, | |
1589 | enum nl80211_commands cmd, struct nlattr *status, | |
1590 | struct nlattr *addr, struct nlattr *req_ie, | |
1591 | struct nlattr *resp_ie) | |
1592 | { | |
1593 | union wpa_event_data event; | |
1594 | ||
1595 | if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) { | |
1596 | /* | |
1597 | * Avoid reporting two association events that would confuse | |
1598 | * the core code. | |
1599 | */ | |
1600 | wpa_printf(MSG_DEBUG, "nl80211: Ignore connect event (cmd=%d) " | |
1601 | "when using userspace SME", cmd); | |
1602 | return; | |
1603 | } | |
1604 | ||
1605 | if (cmd == NL80211_CMD_CONNECT) | |
1606 | wpa_printf(MSG_DEBUG, "nl80211: Connect event"); | |
1607 | else if (cmd == NL80211_CMD_ROAM) | |
1608 | wpa_printf(MSG_DEBUG, "nl80211: Roam event"); | |
1609 | ||
1610 | os_memset(&event, 0, sizeof(event)); | |
1611 | if (cmd == NL80211_CMD_CONNECT && | |
1612 | nla_get_u16(status) != WLAN_STATUS_SUCCESS) { | |
1613 | if (addr) | |
1614 | event.assoc_reject.bssid = nla_data(addr); | |
1615 | if (resp_ie) { | |
1616 | event.assoc_reject.resp_ies = nla_data(resp_ie); | |
1617 | event.assoc_reject.resp_ies_len = nla_len(resp_ie); | |
1618 | } | |
1619 | event.assoc_reject.status_code = nla_get_u16(status); | |
1620 | wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event); | |
1621 | return; | |
1622 | } | |
1623 | ||
1624 | drv->associated = 1; | |
1625 | if (addr) { | |
1626 | os_memcpy(drv->bssid, nla_data(addr), ETH_ALEN); | |
1627 | os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN); | |
1628 | } | |
1629 | ||
1630 | if (req_ie) { | |
1631 | event.assoc_info.req_ies = nla_data(req_ie); | |
1632 | event.assoc_info.req_ies_len = nla_len(req_ie); | |
1633 | } | |
1634 | if (resp_ie) { | |
1635 | event.assoc_info.resp_ies = nla_data(resp_ie); | |
1636 | event.assoc_info.resp_ies_len = nla_len(resp_ie); | |
1637 | } | |
1638 | ||
1639 | event.assoc_info.freq = nl80211_get_assoc_freq(drv); | |
1640 | ||
1641 | wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event); | |
1642 | } | |
1643 | ||
1644 | ||
1645 | static void mlme_event_disconnect(struct wpa_driver_nl80211_data *drv, | |
1646 | struct nlattr *reason, struct nlattr *addr, | |
1647 | struct nlattr *by_ap) | |
1648 | { | |
1649 | union wpa_event_data data; | |
1650 | unsigned int locally_generated = by_ap == NULL; | |
1651 | ||
1652 | if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) { | |
1653 | /* | |
1654 | * Avoid reporting two disassociation events that could | |
1655 | * confuse the core code. | |
1656 | */ | |
1657 | wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect " | |
1658 | "event when using userspace SME"); | |
1659 | return; | |
1660 | } | |
1661 | ||
1662 | if (drv->ignore_next_local_disconnect) { | |
1663 | drv->ignore_next_local_disconnect = 0; | |
1664 | if (locally_generated) { | |
1665 | wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect " | |
1666 | "event triggered during reassociation"); | |
1667 | return; | |
1668 | } | |
1669 | wpa_printf(MSG_WARNING, "nl80211: Was expecting local " | |
1670 | "disconnect but got another disconnect " | |
1671 | "event first"); | |
1672 | } | |
1673 | ||
1674 | wpa_printf(MSG_DEBUG, "nl80211: Disconnect event"); | |
1675 | nl80211_mark_disconnected(drv); | |
1676 | os_memset(&data, 0, sizeof(data)); | |
1677 | if (reason) | |
1678 | data.deauth_info.reason_code = nla_get_u16(reason); | |
1679 | data.deauth_info.locally_generated = by_ap == NULL; | |
1680 | wpa_supplicant_event(drv->ctx, EVENT_DEAUTH, &data); | |
1681 | } | |
1682 | ||
1683 | ||
1684 | static int calculate_chan_offset(int width, int freq, int cf1, int cf2) | |
1685 | { | |
1686 | int freq1 = 0; | |
1687 | ||
1688 | switch (convert2width(width)) { | |
1689 | case CHAN_WIDTH_20_NOHT: | |
1690 | case CHAN_WIDTH_20: | |
1691 | return 0; | |
1692 | case CHAN_WIDTH_40: | |
1693 | freq1 = cf1 - 10; | |
1694 | break; | |
1695 | case CHAN_WIDTH_80: | |
1696 | freq1 = cf1 - 30; | |
1697 | break; | |
1698 | case CHAN_WIDTH_160: | |
1699 | freq1 = cf1 - 70; | |
1700 | break; | |
1701 | case CHAN_WIDTH_UNKNOWN: | |
1702 | case CHAN_WIDTH_80P80: | |
1703 | /* FIXME: implement this */ | |
1704 | return 0; | |
1705 | } | |
1706 | ||
1707 | return (abs(freq - freq1) / 20) % 2 == 0 ? 1 : -1; | |
1708 | } | |
1709 | ||
1710 | ||
1711 | static void mlme_event_ch_switch(struct wpa_driver_nl80211_data *drv, | |
1712 | struct nlattr *ifindex, struct nlattr *freq, | |
1713 | struct nlattr *type, struct nlattr *bw, | |
1714 | struct nlattr *cf1, struct nlattr *cf2) | |
1715 | { | |
1716 | struct i802_bss *bss; | |
1717 | union wpa_event_data data; | |
1718 | int ht_enabled = 1; | |
1719 | int chan_offset = 0; | |
1720 | int ifidx; | |
1721 | ||
1722 | wpa_printf(MSG_DEBUG, "nl80211: Channel switch event"); | |
1723 | ||
1724 | if (!freq) | |
1725 | return; | |
1726 | ||
1727 | ifidx = nla_get_u32(ifindex); | |
1728 | bss = get_bss_ifindex(drv, ifidx); | |
1729 | if (bss == NULL) { | |
1730 | wpa_printf(MSG_WARNING, "nl80211: Unknown ifindex (%d) for channel switch, ignoring", | |
1731 | ifidx); | |
1732 | return; | |
1733 | } | |
1734 | ||
1735 | if (type) { | |
1736 | switch (nla_get_u32(type)) { | |
1737 | case NL80211_CHAN_NO_HT: | |
1738 | ht_enabled = 0; | |
1739 | break; | |
1740 | case NL80211_CHAN_HT20: | |
1741 | break; | |
1742 | case NL80211_CHAN_HT40PLUS: | |
1743 | chan_offset = 1; | |
1744 | break; | |
1745 | case NL80211_CHAN_HT40MINUS: | |
1746 | chan_offset = -1; | |
1747 | break; | |
1748 | } | |
1749 | } else if (bw && cf1) { | |
1750 | /* This can happen for example with VHT80 ch switch */ | |
1751 | chan_offset = calculate_chan_offset(nla_get_u32(bw), | |
1752 | nla_get_u32(freq), | |
1753 | nla_get_u32(cf1), | |
1754 | cf2 ? nla_get_u32(cf2) : 0); | |
1755 | } else { | |
1756 | wpa_printf(MSG_WARNING, "nl80211: Unknown secondary channel information - following channel definition calculations may fail"); | |
1757 | } | |
1758 | ||
1759 | os_memset(&data, 0, sizeof(data)); | |
1760 | data.ch_switch.freq = nla_get_u32(freq); | |
1761 | data.ch_switch.ht_enabled = ht_enabled; | |
1762 | data.ch_switch.ch_offset = chan_offset; | |
1763 | if (bw) | |
1764 | data.ch_switch.ch_width = convert2width(nla_get_u32(bw)); | |
1765 | if (cf1) | |
1766 | data.ch_switch.cf1 = nla_get_u32(cf1); | |
1767 | if (cf2) | |
1768 | data.ch_switch.cf2 = nla_get_u32(cf2); | |
1769 | ||
1770 | bss->freq = data.ch_switch.freq; | |
1771 | ||
1772 | wpa_supplicant_event(bss->ctx, EVENT_CH_SWITCH, &data); | |
1773 | } | |
1774 | ||
1775 | ||
1776 | static void mlme_timeout_event(struct wpa_driver_nl80211_data *drv, | |
1777 | enum nl80211_commands cmd, struct nlattr *addr) | |
1778 | { | |
1779 | union wpa_event_data event; | |
1780 | enum wpa_event_type ev; | |
1781 | ||
1782 | if (nla_len(addr) != ETH_ALEN) | |
1783 | return; | |
1784 | ||
1785 | wpa_printf(MSG_DEBUG, "nl80211: MLME event %d; timeout with " MACSTR, | |
1786 | cmd, MAC2STR((u8 *) nla_data(addr))); | |
1787 | ||
1788 | if (cmd == NL80211_CMD_AUTHENTICATE) | |
1789 | ev = EVENT_AUTH_TIMED_OUT; | |
1790 | else if (cmd == NL80211_CMD_ASSOCIATE) | |
1791 | ev = EVENT_ASSOC_TIMED_OUT; | |
1792 | else | |
1793 | return; | |
1794 | ||
1795 | os_memset(&event, 0, sizeof(event)); | |
1796 | os_memcpy(event.timeout_event.addr, nla_data(addr), ETH_ALEN); | |
1797 | wpa_supplicant_event(drv->ctx, ev, &event); | |
1798 | } | |
1799 | ||
1800 | ||
1801 | static void mlme_event_mgmt(struct i802_bss *bss, | |
1802 | struct nlattr *freq, struct nlattr *sig, | |
1803 | const u8 *frame, size_t len) | |
1804 | { | |
1805 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
1806 | const struct ieee80211_mgmt *mgmt; | |
1807 | union wpa_event_data event; | |
1808 | u16 fc, stype; | |
1809 | int ssi_signal = 0; | |
1810 | int rx_freq = 0; | |
1811 | ||
1812 | wpa_printf(MSG_MSGDUMP, "nl80211: Frame event"); | |
1813 | mgmt = (const struct ieee80211_mgmt *) frame; | |
1814 | if (len < 24) { | |
1815 | wpa_printf(MSG_DEBUG, "nl80211: Too short management frame"); | |
1816 | return; | |
1817 | } | |
1818 | ||
1819 | fc = le_to_host16(mgmt->frame_control); | |
1820 | stype = WLAN_FC_GET_STYPE(fc); | |
1821 | ||
1822 | if (sig) | |
1823 | ssi_signal = (s32) nla_get_u32(sig); | |
1824 | ||
1825 | os_memset(&event, 0, sizeof(event)); | |
1826 | if (freq) { | |
1827 | event.rx_mgmt.freq = nla_get_u32(freq); | |
1828 | rx_freq = drv->last_mgmt_freq = event.rx_mgmt.freq; | |
1829 | } | |
1830 | wpa_printf(MSG_DEBUG, | |
1831 | "nl80211: RX frame sa=" MACSTR | |
1832 | " freq=%d ssi_signal=%d stype=%u (%s) len=%u", | |
1833 | MAC2STR(mgmt->sa), rx_freq, ssi_signal, stype, fc2str(fc), | |
1834 | (unsigned int) len); | |
1835 | event.rx_mgmt.frame = frame; | |
1836 | event.rx_mgmt.frame_len = len; | |
1837 | event.rx_mgmt.ssi_signal = ssi_signal; | |
1838 | event.rx_mgmt.drv_priv = bss; | |
1839 | wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event); | |
1840 | } | |
1841 | ||
1842 | ||
1843 | static void mlme_event_mgmt_tx_status(struct wpa_driver_nl80211_data *drv, | |
1844 | struct nlattr *cookie, const u8 *frame, | |
1845 | size_t len, struct nlattr *ack) | |
1846 | { | |
1847 | union wpa_event_data event; | |
1848 | const struct ieee80211_hdr *hdr; | |
1849 | u16 fc; | |
1850 | ||
1851 | wpa_printf(MSG_DEBUG, "nl80211: Frame TX status event"); | |
1852 | if (!is_ap_interface(drv->nlmode)) { | |
1853 | u64 cookie_val; | |
1854 | ||
1855 | if (!cookie) | |
1856 | return; | |
1857 | ||
1858 | cookie_val = nla_get_u64(cookie); | |
1859 | wpa_printf(MSG_DEBUG, "nl80211: Action TX status:" | |
1860 | " cookie=0%llx%s (ack=%d)", | |
1861 | (long long unsigned int) cookie_val, | |
1862 | cookie_val == drv->send_action_cookie ? | |
1863 | " (match)" : " (unknown)", ack != NULL); | |
1864 | if (cookie_val != drv->send_action_cookie) | |
1865 | return; | |
1866 | } | |
1867 | ||
1868 | hdr = (const struct ieee80211_hdr *) frame; | |
1869 | fc = le_to_host16(hdr->frame_control); | |
1870 | ||
1871 | os_memset(&event, 0, sizeof(event)); | |
1872 | event.tx_status.type = WLAN_FC_GET_TYPE(fc); | |
1873 | event.tx_status.stype = WLAN_FC_GET_STYPE(fc); | |
1874 | event.tx_status.dst = hdr->addr1; | |
1875 | event.tx_status.data = frame; | |
1876 | event.tx_status.data_len = len; | |
1877 | event.tx_status.ack = ack != NULL; | |
1878 | wpa_supplicant_event(drv->ctx, EVENT_TX_STATUS, &event); | |
1879 | } | |
1880 | ||
1881 | ||
1882 | static void mlme_event_deauth_disassoc(struct wpa_driver_nl80211_data *drv, | |
1883 | enum wpa_event_type type, | |
1884 | const u8 *frame, size_t len) | |
1885 | { | |
1886 | const struct ieee80211_mgmt *mgmt; | |
1887 | union wpa_event_data event; | |
1888 | const u8 *bssid = NULL; | |
1889 | u16 reason_code = 0; | |
1890 | ||
1891 | if (type == EVENT_DEAUTH) | |
1892 | wpa_printf(MSG_DEBUG, "nl80211: Deauthenticate event"); | |
1893 | else | |
1894 | wpa_printf(MSG_DEBUG, "nl80211: Disassociate event"); | |
1895 | ||
1896 | mgmt = (const struct ieee80211_mgmt *) frame; | |
1897 | if (len >= 24) { | |
1898 | bssid = mgmt->bssid; | |
1899 | ||
1900 | if ((drv->capa.flags & WPA_DRIVER_FLAGS_SME) && | |
1901 | !drv->associated && | |
1902 | os_memcmp(bssid, drv->auth_bssid, ETH_ALEN) != 0 && | |
1903 | os_memcmp(bssid, drv->auth_attempt_bssid, ETH_ALEN) != 0 && | |
1904 | os_memcmp(bssid, drv->prev_bssid, ETH_ALEN) == 0) { | |
1905 | /* | |
1906 | * Avoid issues with some roaming cases where | |
1907 | * disconnection event for the old AP may show up after | |
1908 | * we have started connection with the new AP. | |
1909 | */ | |
1910 | wpa_printf(MSG_DEBUG, "nl80211: Ignore deauth/disassoc event from old AP " MACSTR " when already authenticating with " MACSTR, | |
1911 | MAC2STR(bssid), | |
1912 | MAC2STR(drv->auth_attempt_bssid)); | |
1913 | return; | |
1914 | } | |
1915 | ||
1916 | if (drv->associated != 0 && | |
1917 | os_memcmp(bssid, drv->bssid, ETH_ALEN) != 0 && | |
1918 | os_memcmp(bssid, drv->auth_bssid, ETH_ALEN) != 0) { | |
1919 | /* | |
1920 | * We have presumably received this deauth as a | |
1921 | * response to a clear_state_mismatch() outgoing | |
1922 | * deauth. Don't let it take us offline! | |
1923 | */ | |
1924 | wpa_printf(MSG_DEBUG, "nl80211: Deauth received " | |
1925 | "from Unknown BSSID " MACSTR " -- ignoring", | |
1926 | MAC2STR(bssid)); | |
1927 | return; | |
1928 | } | |
1929 | } | |
1930 | ||
1931 | nl80211_mark_disconnected(drv); | |
1932 | os_memset(&event, 0, sizeof(event)); | |
1933 | ||
1934 | /* Note: Same offset for Reason Code in both frame subtypes */ | |
1935 | if (len >= 24 + sizeof(mgmt->u.deauth)) | |
1936 | reason_code = le_to_host16(mgmt->u.deauth.reason_code); | |
1937 | ||
1938 | if (type == EVENT_DISASSOC) { | |
1939 | event.disassoc_info.locally_generated = | |
1940 | !os_memcmp(mgmt->sa, drv->first_bss->addr, ETH_ALEN); | |
1941 | event.disassoc_info.addr = bssid; | |
1942 | event.disassoc_info.reason_code = reason_code; | |
1943 | if (frame + len > mgmt->u.disassoc.variable) { | |
1944 | event.disassoc_info.ie = mgmt->u.disassoc.variable; | |
1945 | event.disassoc_info.ie_len = frame + len - | |
1946 | mgmt->u.disassoc.variable; | |
1947 | } | |
1948 | } else { | |
1949 | if (drv->ignore_deauth_event) { | |
1950 | wpa_printf(MSG_DEBUG, "nl80211: Ignore deauth event due to previous forced deauth-during-auth"); | |
1951 | drv->ignore_deauth_event = 0; | |
1952 | return; | |
1953 | } | |
1954 | event.deauth_info.locally_generated = | |
1955 | !os_memcmp(mgmt->sa, drv->first_bss->addr, ETH_ALEN); | |
1956 | if (drv->ignore_next_local_deauth) { | |
1957 | drv->ignore_next_local_deauth = 0; | |
1958 | if (event.deauth_info.locally_generated) { | |
1959 | wpa_printf(MSG_DEBUG, "nl80211: Ignore deauth event triggered due to own deauth request"); | |
1960 | return; | |
1961 | } | |
1962 | wpa_printf(MSG_WARNING, "nl80211: Was expecting local deauth but got another disconnect event first"); | |
1963 | } | |
1964 | event.deauth_info.addr = bssid; | |
1965 | event.deauth_info.reason_code = reason_code; | |
1966 | if (frame + len > mgmt->u.deauth.variable) { | |
1967 | event.deauth_info.ie = mgmt->u.deauth.variable; | |
1968 | event.deauth_info.ie_len = frame + len - | |
1969 | mgmt->u.deauth.variable; | |
1970 | } | |
1971 | } | |
1972 | ||
1973 | wpa_supplicant_event(drv->ctx, type, &event); | |
1974 | } | |
1975 | ||
1976 | ||
1977 | static void mlme_event_unprot_disconnect(struct wpa_driver_nl80211_data *drv, | |
1978 | enum wpa_event_type type, | |
1979 | const u8 *frame, size_t len) | |
1980 | { | |
1981 | const struct ieee80211_mgmt *mgmt; | |
1982 | union wpa_event_data event; | |
1983 | u16 reason_code = 0; | |
1984 | ||
1985 | if (type == EVENT_UNPROT_DEAUTH) | |
1986 | wpa_printf(MSG_DEBUG, "nl80211: Unprot Deauthenticate event"); | |
1987 | else | |
1988 | wpa_printf(MSG_DEBUG, "nl80211: Unprot Disassociate event"); | |
1989 | ||
1990 | if (len < 24) | |
1991 | return; | |
1992 | ||
1993 | mgmt = (const struct ieee80211_mgmt *) frame; | |
1994 | ||
1995 | os_memset(&event, 0, sizeof(event)); | |
1996 | /* Note: Same offset for Reason Code in both frame subtypes */ | |
1997 | if (len >= 24 + sizeof(mgmt->u.deauth)) | |
1998 | reason_code = le_to_host16(mgmt->u.deauth.reason_code); | |
1999 | ||
2000 | if (type == EVENT_UNPROT_DISASSOC) { | |
2001 | event.unprot_disassoc.sa = mgmt->sa; | |
2002 | event.unprot_disassoc.da = mgmt->da; | |
2003 | event.unprot_disassoc.reason_code = reason_code; | |
2004 | } else { | |
2005 | event.unprot_deauth.sa = mgmt->sa; | |
2006 | event.unprot_deauth.da = mgmt->da; | |
2007 | event.unprot_deauth.reason_code = reason_code; | |
2008 | } | |
2009 | ||
2010 | wpa_supplicant_event(drv->ctx, type, &event); | |
2011 | } | |
2012 | ||
2013 | ||
2014 | static void mlme_event(struct i802_bss *bss, | |
2015 | enum nl80211_commands cmd, struct nlattr *frame, | |
2016 | struct nlattr *addr, struct nlattr *timed_out, | |
2017 | struct nlattr *freq, struct nlattr *ack, | |
2018 | struct nlattr *cookie, struct nlattr *sig) | |
2019 | { | |
2020 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
2021 | const u8 *data; | |
2022 | size_t len; | |
2023 | ||
2024 | if (timed_out && addr) { | |
2025 | mlme_timeout_event(drv, cmd, addr); | |
2026 | return; | |
2027 | } | |
2028 | ||
2029 | if (frame == NULL) { | |
2030 | wpa_printf(MSG_DEBUG, | |
2031 | "nl80211: MLME event %d (%s) without frame data", | |
2032 | cmd, nl80211_command_to_string(cmd)); | |
2033 | return; | |
2034 | } | |
2035 | ||
2036 | data = nla_data(frame); | |
2037 | len = nla_len(frame); | |
2038 | if (len < 4 + 2 * ETH_ALEN) { | |
2039 | wpa_printf(MSG_MSGDUMP, "nl80211: MLME event %d (%s) on %s(" | |
2040 | MACSTR ") - too short", | |
2041 | cmd, nl80211_command_to_string(cmd), bss->ifname, | |
2042 | MAC2STR(bss->addr)); | |
2043 | return; | |
2044 | } | |
2045 | wpa_printf(MSG_MSGDUMP, "nl80211: MLME event %d (%s) on %s(" MACSTR | |
2046 | ") A1=" MACSTR " A2=" MACSTR, cmd, | |
2047 | nl80211_command_to_string(cmd), bss->ifname, | |
2048 | MAC2STR(bss->addr), MAC2STR(data + 4), | |
2049 | MAC2STR(data + 4 + ETH_ALEN)); | |
2050 | if (cmd != NL80211_CMD_FRAME_TX_STATUS && !(data[4] & 0x01) && | |
2051 | os_memcmp(bss->addr, data + 4, ETH_ALEN) != 0 && | |
2052 | os_memcmp(bss->addr, data + 4 + ETH_ALEN, ETH_ALEN) != 0) { | |
2053 | wpa_printf(MSG_MSGDUMP, "nl80211: %s: Ignore MLME frame event " | |
2054 | "for foreign address", bss->ifname); | |
2055 | return; | |
2056 | } | |
2057 | wpa_hexdump(MSG_MSGDUMP, "nl80211: MLME event frame", | |
2058 | nla_data(frame), nla_len(frame)); | |
2059 | ||
2060 | switch (cmd) { | |
2061 | case NL80211_CMD_AUTHENTICATE: | |
2062 | mlme_event_auth(drv, nla_data(frame), nla_len(frame)); | |
2063 | break; | |
2064 | case NL80211_CMD_ASSOCIATE: | |
2065 | mlme_event_assoc(drv, nla_data(frame), nla_len(frame)); | |
2066 | break; | |
2067 | case NL80211_CMD_DEAUTHENTICATE: | |
2068 | mlme_event_deauth_disassoc(drv, EVENT_DEAUTH, | |
2069 | nla_data(frame), nla_len(frame)); | |
2070 | break; | |
2071 | case NL80211_CMD_DISASSOCIATE: | |
2072 | mlme_event_deauth_disassoc(drv, EVENT_DISASSOC, | |
2073 | nla_data(frame), nla_len(frame)); | |
2074 | break; | |
2075 | case NL80211_CMD_FRAME: | |
2076 | mlme_event_mgmt(bss, freq, sig, nla_data(frame), | |
2077 | nla_len(frame)); | |
2078 | break; | |
2079 | case NL80211_CMD_FRAME_TX_STATUS: | |
2080 | mlme_event_mgmt_tx_status(drv, cookie, nla_data(frame), | |
2081 | nla_len(frame), ack); | |
2082 | break; | |
2083 | case NL80211_CMD_UNPROT_DEAUTHENTICATE: | |
2084 | mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DEAUTH, | |
2085 | nla_data(frame), nla_len(frame)); | |
2086 | break; | |
2087 | case NL80211_CMD_UNPROT_DISASSOCIATE: | |
2088 | mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DISASSOC, | |
2089 | nla_data(frame), nla_len(frame)); | |
2090 | break; | |
2091 | default: | |
2092 | break; | |
2093 | } | |
2094 | } | |
2095 | ||
2096 | ||
2097 | static void mlme_event_michael_mic_failure(struct i802_bss *bss, | |
2098 | struct nlattr *tb[]) | |
2099 | { | |
2100 | union wpa_event_data data; | |
2101 | ||
2102 | wpa_printf(MSG_DEBUG, "nl80211: MLME event Michael MIC failure"); | |
2103 | os_memset(&data, 0, sizeof(data)); | |
2104 | if (tb[NL80211_ATTR_MAC]) { | |
2105 | wpa_hexdump(MSG_DEBUG, "nl80211: Source MAC address", | |
2106 | nla_data(tb[NL80211_ATTR_MAC]), | |
2107 | nla_len(tb[NL80211_ATTR_MAC])); | |
2108 | data.michael_mic_failure.src = nla_data(tb[NL80211_ATTR_MAC]); | |
2109 | } | |
2110 | if (tb[NL80211_ATTR_KEY_SEQ]) { | |
2111 | wpa_hexdump(MSG_DEBUG, "nl80211: TSC", | |
2112 | nla_data(tb[NL80211_ATTR_KEY_SEQ]), | |
2113 | nla_len(tb[NL80211_ATTR_KEY_SEQ])); | |
2114 | } | |
2115 | if (tb[NL80211_ATTR_KEY_TYPE]) { | |
2116 | enum nl80211_key_type key_type = | |
2117 | nla_get_u32(tb[NL80211_ATTR_KEY_TYPE]); | |
2118 | wpa_printf(MSG_DEBUG, "nl80211: Key Type %d", key_type); | |
2119 | if (key_type == NL80211_KEYTYPE_PAIRWISE) | |
2120 | data.michael_mic_failure.unicast = 1; | |
2121 | } else | |
2122 | data.michael_mic_failure.unicast = 1; | |
2123 | ||
2124 | if (tb[NL80211_ATTR_KEY_IDX]) { | |
2125 | u8 key_id = nla_get_u8(tb[NL80211_ATTR_KEY_IDX]); | |
2126 | wpa_printf(MSG_DEBUG, "nl80211: Key Id %d", key_id); | |
2127 | } | |
2128 | ||
2129 | wpa_supplicant_event(bss->ctx, EVENT_MICHAEL_MIC_FAILURE, &data); | |
2130 | } | |
2131 | ||
2132 | ||
2133 | static void mlme_event_join_ibss(struct wpa_driver_nl80211_data *drv, | |
2134 | struct nlattr *tb[]) | |
2135 | { | |
2136 | unsigned int freq; | |
2137 | ||
2138 | if (tb[NL80211_ATTR_MAC] == NULL) { | |
2139 | wpa_printf(MSG_DEBUG, "nl80211: No address in IBSS joined " | |
2140 | "event"); | |
2141 | return; | |
2142 | } | |
2143 | os_memcpy(drv->bssid, nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN); | |
2144 | ||
2145 | drv->associated = 1; | |
2146 | wpa_printf(MSG_DEBUG, "nl80211: IBSS " MACSTR " joined", | |
2147 | MAC2STR(drv->bssid)); | |
2148 | ||
2149 | freq = nl80211_get_assoc_freq(drv); | |
2150 | if (freq) { | |
2151 | wpa_printf(MSG_DEBUG, "nl80211: IBSS on frequency %u MHz", | |
2152 | freq); | |
2153 | drv->first_bss->freq = freq; | |
2154 | } | |
2155 | ||
2156 | wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL); | |
2157 | } | |
2158 | ||
2159 | ||
2160 | static void mlme_event_remain_on_channel(struct wpa_driver_nl80211_data *drv, | |
2161 | int cancel_event, struct nlattr *tb[]) | |
2162 | { | |
2163 | unsigned int freq, chan_type, duration; | |
2164 | union wpa_event_data data; | |
2165 | u64 cookie; | |
2166 | ||
2167 | if (tb[NL80211_ATTR_WIPHY_FREQ]) | |
2168 | freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]); | |
2169 | else | |
2170 | freq = 0; | |
2171 | ||
2172 | if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) | |
2173 | chan_type = nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); | |
2174 | else | |
2175 | chan_type = 0; | |
2176 | ||
2177 | if (tb[NL80211_ATTR_DURATION]) | |
2178 | duration = nla_get_u32(tb[NL80211_ATTR_DURATION]); | |
2179 | else | |
2180 | duration = 0; | |
2181 | ||
2182 | if (tb[NL80211_ATTR_COOKIE]) | |
2183 | cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]); | |
2184 | else | |
2185 | cookie = 0; | |
2186 | ||
2187 | wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel event (cancel=%d " | |
2188 | "freq=%u channel_type=%u duration=%u cookie=0x%llx (%s))", | |
2189 | cancel_event, freq, chan_type, duration, | |
2190 | (long long unsigned int) cookie, | |
2191 | cookie == drv->remain_on_chan_cookie ? "match" : "unknown"); | |
2192 | ||
2193 | if (cookie != drv->remain_on_chan_cookie) | |
2194 | return; /* not for us */ | |
2195 | ||
2196 | if (cancel_event) | |
2197 | drv->pending_remain_on_chan = 0; | |
2198 | ||
2199 | os_memset(&data, 0, sizeof(data)); | |
2200 | data.remain_on_channel.freq = freq; | |
2201 | data.remain_on_channel.duration = duration; | |
2202 | wpa_supplicant_event(drv->ctx, cancel_event ? | |
2203 | EVENT_CANCEL_REMAIN_ON_CHANNEL : | |
2204 | EVENT_REMAIN_ON_CHANNEL, &data); | |
2205 | } | |
2206 | ||
2207 | ||
2208 | static void mlme_event_ft_event(struct wpa_driver_nl80211_data *drv, | |
2209 | struct nlattr *tb[]) | |
2210 | { | |
2211 | union wpa_event_data data; | |
2212 | ||
2213 | os_memset(&data, 0, sizeof(data)); | |
2214 | ||
2215 | if (tb[NL80211_ATTR_IE]) { | |
2216 | data.ft_ies.ies = nla_data(tb[NL80211_ATTR_IE]); | |
2217 | data.ft_ies.ies_len = nla_len(tb[NL80211_ATTR_IE]); | |
2218 | } | |
2219 | ||
2220 | if (tb[NL80211_ATTR_IE_RIC]) { | |
2221 | data.ft_ies.ric_ies = nla_data(tb[NL80211_ATTR_IE_RIC]); | |
2222 | data.ft_ies.ric_ies_len = nla_len(tb[NL80211_ATTR_IE_RIC]); | |
2223 | } | |
2224 | ||
2225 | if (tb[NL80211_ATTR_MAC]) | |
2226 | os_memcpy(data.ft_ies.target_ap, | |
2227 | nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN); | |
2228 | ||
2229 | wpa_printf(MSG_DEBUG, "nl80211: FT event target_ap " MACSTR, | |
2230 | MAC2STR(data.ft_ies.target_ap)); | |
2231 | ||
2232 | wpa_supplicant_event(drv->ctx, EVENT_FT_RESPONSE, &data); | |
2233 | } | |
2234 | ||
2235 | ||
2236 | static void send_scan_event(struct wpa_driver_nl80211_data *drv, int aborted, | |
2237 | struct nlattr *tb[]) | |
2238 | { | |
2239 | union wpa_event_data event; | |
2240 | struct nlattr *nl; | |
2241 | int rem; | |
2242 | struct scan_info *info; | |
2243 | #define MAX_REPORT_FREQS 50 | |
2244 | int freqs[MAX_REPORT_FREQS]; | |
2245 | int num_freqs = 0; | |
2246 | ||
2247 | if (drv->scan_for_auth) { | |
2248 | drv->scan_for_auth = 0; | |
2249 | wpa_printf(MSG_DEBUG, "nl80211: Scan results for missing " | |
2250 | "cfg80211 BSS entry"); | |
2251 | wpa_driver_nl80211_authenticate_retry(drv); | |
2252 | return; | |
2253 | } | |
2254 | ||
2255 | os_memset(&event, 0, sizeof(event)); | |
2256 | info = &event.scan_info; | |
2257 | info->aborted = aborted; | |
2258 | ||
2259 | if (tb[NL80211_ATTR_SCAN_SSIDS]) { | |
2260 | nla_for_each_nested(nl, tb[NL80211_ATTR_SCAN_SSIDS], rem) { | |
2261 | struct wpa_driver_scan_ssid *s = | |
2262 | &info->ssids[info->num_ssids]; | |
2263 | s->ssid = nla_data(nl); | |
2264 | s->ssid_len = nla_len(nl); | |
2265 | wpa_printf(MSG_DEBUG, "nl80211: Scan probed for SSID '%s'", | |
2266 | wpa_ssid_txt(s->ssid, s->ssid_len)); | |
2267 | info->num_ssids++; | |
2268 | if (info->num_ssids == WPAS_MAX_SCAN_SSIDS) | |
2269 | break; | |
2270 | } | |
2271 | } | |
2272 | if (tb[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
2273 | char msg[200], *pos, *end; | |
2274 | int res; | |
2275 | ||
2276 | pos = msg; | |
2277 | end = pos + sizeof(msg); | |
2278 | *pos = '\0'; | |
2279 | ||
2280 | nla_for_each_nested(nl, tb[NL80211_ATTR_SCAN_FREQUENCIES], rem) | |
2281 | { | |
2282 | freqs[num_freqs] = nla_get_u32(nl); | |
2283 | res = os_snprintf(pos, end - pos, " %d", | |
2284 | freqs[num_freqs]); | |
2285 | if (res > 0 && end - pos > res) | |
2286 | pos += res; | |
2287 | num_freqs++; | |
2288 | if (num_freqs == MAX_REPORT_FREQS - 1) | |
2289 | break; | |
2290 | } | |
2291 | info->freqs = freqs; | |
2292 | info->num_freqs = num_freqs; | |
2293 | wpa_printf(MSG_DEBUG, "nl80211: Scan included frequencies:%s", | |
2294 | msg); | |
2295 | } | |
2296 | wpa_supplicant_event(drv->ctx, EVENT_SCAN_RESULTS, &event); | |
2297 | } | |
2298 | ||
2299 | ||
2300 | static int get_link_signal(struct nl_msg *msg, void *arg) | |
2301 | { | |
2302 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
2303 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
2304 | struct nlattr *sinfo[NL80211_STA_INFO_MAX + 1]; | |
2305 | static struct nla_policy policy[NL80211_STA_INFO_MAX + 1] = { | |
2306 | [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 }, | |
2307 | [NL80211_STA_INFO_SIGNAL_AVG] = { .type = NLA_U8 }, | |
2308 | }; | |
2309 | struct nlattr *rinfo[NL80211_RATE_INFO_MAX + 1]; | |
2310 | static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = { | |
2311 | [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 }, | |
2312 | [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 }, | |
2313 | [NL80211_RATE_INFO_40_MHZ_WIDTH] = { .type = NLA_FLAG }, | |
2314 | [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG }, | |
2315 | }; | |
2316 | struct wpa_signal_info *sig_change = arg; | |
2317 | ||
2318 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
2319 | genlmsg_attrlen(gnlh, 0), NULL); | |
2320 | if (!tb[NL80211_ATTR_STA_INFO] || | |
2321 | nla_parse_nested(sinfo, NL80211_STA_INFO_MAX, | |
2322 | tb[NL80211_ATTR_STA_INFO], policy)) | |
2323 | return NL_SKIP; | |
2324 | if (!sinfo[NL80211_STA_INFO_SIGNAL]) | |
2325 | return NL_SKIP; | |
2326 | ||
2327 | sig_change->current_signal = | |
2328 | (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]); | |
2329 | ||
2330 | if (sinfo[NL80211_STA_INFO_SIGNAL_AVG]) | |
2331 | sig_change->avg_signal = | |
2332 | (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL_AVG]); | |
2333 | else | |
2334 | sig_change->avg_signal = 0; | |
2335 | ||
2336 | if (sinfo[NL80211_STA_INFO_TX_BITRATE]) { | |
2337 | if (nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX, | |
2338 | sinfo[NL80211_STA_INFO_TX_BITRATE], | |
2339 | rate_policy)) { | |
2340 | sig_change->current_txrate = 0; | |
2341 | } else { | |
2342 | if (rinfo[NL80211_RATE_INFO_BITRATE]) { | |
2343 | sig_change->current_txrate = | |
2344 | nla_get_u16(rinfo[ | |
2345 | NL80211_RATE_INFO_BITRATE]) * 100; | |
2346 | } | |
2347 | } | |
2348 | } | |
2349 | ||
2350 | return NL_SKIP; | |
2351 | } | |
2352 | ||
2353 | ||
2354 | static int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv, | |
2355 | struct wpa_signal_info *sig) | |
2356 | { | |
2357 | struct nl_msg *msg; | |
2358 | ||
2359 | sig->current_signal = -9999; | |
2360 | sig->current_txrate = 0; | |
2361 | ||
2362 | msg = nlmsg_alloc(); | |
2363 | if (!msg) | |
2364 | return -ENOMEM; | |
2365 | ||
2366 | nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_STATION); | |
2367 | ||
2368 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
2369 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid); | |
2370 | ||
2371 | return send_and_recv_msgs(drv, msg, get_link_signal, sig); | |
2372 | nla_put_failure: | |
2373 | nlmsg_free(msg); | |
2374 | return -ENOBUFS; | |
2375 | } | |
2376 | ||
2377 | ||
2378 | static int get_link_noise(struct nl_msg *msg, void *arg) | |
2379 | { | |
2380 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
2381 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
2382 | struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1]; | |
2383 | static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = { | |
2384 | [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 }, | |
2385 | [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 }, | |
2386 | }; | |
2387 | struct wpa_signal_info *sig_change = arg; | |
2388 | ||
2389 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
2390 | genlmsg_attrlen(gnlh, 0), NULL); | |
2391 | ||
2392 | if (!tb[NL80211_ATTR_SURVEY_INFO]) { | |
2393 | wpa_printf(MSG_DEBUG, "nl80211: survey data missing!"); | |
2394 | return NL_SKIP; | |
2395 | } | |
2396 | ||
2397 | if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX, | |
2398 | tb[NL80211_ATTR_SURVEY_INFO], | |
2399 | survey_policy)) { | |
2400 | wpa_printf(MSG_DEBUG, "nl80211: failed to parse nested " | |
2401 | "attributes!"); | |
2402 | return NL_SKIP; | |
2403 | } | |
2404 | ||
2405 | if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) | |
2406 | return NL_SKIP; | |
2407 | ||
2408 | if (nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) != | |
2409 | sig_change->frequency) | |
2410 | return NL_SKIP; | |
2411 | ||
2412 | if (!sinfo[NL80211_SURVEY_INFO_NOISE]) | |
2413 | return NL_SKIP; | |
2414 | ||
2415 | sig_change->current_noise = | |
2416 | (s8) nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]); | |
2417 | ||
2418 | return NL_SKIP; | |
2419 | } | |
2420 | ||
2421 | ||
2422 | static int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv, | |
2423 | struct wpa_signal_info *sig_change) | |
2424 | { | |
2425 | struct nl_msg *msg; | |
2426 | ||
2427 | sig_change->current_noise = 9999; | |
2428 | sig_change->frequency = drv->assoc_freq; | |
2429 | ||
2430 | msg = nlmsg_alloc(); | |
2431 | if (!msg) | |
2432 | return -ENOMEM; | |
2433 | ||
2434 | nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SURVEY); | |
2435 | ||
2436 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
2437 | ||
2438 | return send_and_recv_msgs(drv, msg, get_link_noise, sig_change); | |
2439 | nla_put_failure: | |
2440 | nlmsg_free(msg); | |
2441 | return -ENOBUFS; | |
2442 | } | |
2443 | ||
2444 | ||
2445 | static int get_noise_for_scan_results(struct nl_msg *msg, void *arg) | |
2446 | { | |
2447 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
2448 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
2449 | struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1]; | |
2450 | static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = { | |
2451 | [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 }, | |
2452 | [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 }, | |
2453 | }; | |
2454 | struct wpa_scan_results *scan_results = arg; | |
2455 | struct wpa_scan_res *scan_res; | |
2456 | size_t i; | |
2457 | ||
2458 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
2459 | genlmsg_attrlen(gnlh, 0), NULL); | |
2460 | ||
2461 | if (!tb[NL80211_ATTR_SURVEY_INFO]) { | |
2462 | wpa_printf(MSG_DEBUG, "nl80211: Survey data missing"); | |
2463 | return NL_SKIP; | |
2464 | } | |
2465 | ||
2466 | if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX, | |
2467 | tb[NL80211_ATTR_SURVEY_INFO], | |
2468 | survey_policy)) { | |
2469 | wpa_printf(MSG_DEBUG, "nl80211: Failed to parse nested " | |
2470 | "attributes"); | |
2471 | return NL_SKIP; | |
2472 | } | |
2473 | ||
2474 | if (!sinfo[NL80211_SURVEY_INFO_NOISE]) | |
2475 | return NL_SKIP; | |
2476 | ||
2477 | if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) | |
2478 | return NL_SKIP; | |
2479 | ||
2480 | for (i = 0; i < scan_results->num; ++i) { | |
2481 | scan_res = scan_results->res[i]; | |
2482 | if (!scan_res) | |
2483 | continue; | |
2484 | if ((int) nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) != | |
2485 | scan_res->freq) | |
2486 | continue; | |
2487 | if (!(scan_res->flags & WPA_SCAN_NOISE_INVALID)) | |
2488 | continue; | |
2489 | scan_res->noise = (s8) | |
2490 | nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]); | |
2491 | scan_res->flags &= ~WPA_SCAN_NOISE_INVALID; | |
2492 | } | |
2493 | ||
2494 | return NL_SKIP; | |
2495 | } | |
2496 | ||
2497 | ||
2498 | static int nl80211_get_noise_for_scan_results( | |
2499 | struct wpa_driver_nl80211_data *drv, | |
2500 | struct wpa_scan_results *scan_res) | |
2501 | { | |
2502 | struct nl_msg *msg; | |
2503 | ||
2504 | msg = nlmsg_alloc(); | |
2505 | if (!msg) | |
2506 | return -ENOMEM; | |
2507 | ||
2508 | nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SURVEY); | |
2509 | ||
2510 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
2511 | ||
2512 | return send_and_recv_msgs(drv, msg, get_noise_for_scan_results, | |
2513 | scan_res); | |
2514 | nla_put_failure: | |
2515 | nlmsg_free(msg); | |
2516 | return -ENOBUFS; | |
2517 | } | |
2518 | ||
2519 | ||
2520 | static void nl80211_cqm_event(struct wpa_driver_nl80211_data *drv, | |
2521 | struct nlattr *tb[]) | |
2522 | { | |
2523 | static struct nla_policy cqm_policy[NL80211_ATTR_CQM_MAX + 1] = { | |
2524 | [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 }, | |
2525 | [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U8 }, | |
2526 | [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 }, | |
2527 | [NL80211_ATTR_CQM_PKT_LOSS_EVENT] = { .type = NLA_U32 }, | |
2528 | }; | |
2529 | struct nlattr *cqm[NL80211_ATTR_CQM_MAX + 1]; | |
2530 | enum nl80211_cqm_rssi_threshold_event event; | |
2531 | union wpa_event_data ed; | |
2532 | struct wpa_signal_info sig; | |
2533 | int res; | |
2534 | ||
2535 | if (tb[NL80211_ATTR_CQM] == NULL || | |
2536 | nla_parse_nested(cqm, NL80211_ATTR_CQM_MAX, tb[NL80211_ATTR_CQM], | |
2537 | cqm_policy)) { | |
2538 | wpa_printf(MSG_DEBUG, "nl80211: Ignore invalid CQM event"); | |
2539 | return; | |
2540 | } | |
2541 | ||
2542 | os_memset(&ed, 0, sizeof(ed)); | |
2543 | ||
2544 | if (cqm[NL80211_ATTR_CQM_PKT_LOSS_EVENT]) { | |
2545 | if (!tb[NL80211_ATTR_MAC]) | |
2546 | return; | |
2547 | os_memcpy(ed.low_ack.addr, nla_data(tb[NL80211_ATTR_MAC]), | |
2548 | ETH_ALEN); | |
2549 | wpa_supplicant_event(drv->ctx, EVENT_STATION_LOW_ACK, &ed); | |
2550 | return; | |
2551 | } | |
2552 | ||
2553 | if (cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] == NULL) | |
2554 | return; | |
2555 | event = nla_get_u32(cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT]); | |
2556 | ||
2557 | if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH) { | |
2558 | wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor " | |
2559 | "event: RSSI high"); | |
2560 | ed.signal_change.above_threshold = 1; | |
2561 | } else if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW) { | |
2562 | wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor " | |
2563 | "event: RSSI low"); | |
2564 | ed.signal_change.above_threshold = 0; | |
2565 | } else | |
2566 | return; | |
2567 | ||
2568 | res = nl80211_get_link_signal(drv, &sig); | |
2569 | if (res == 0) { | |
2570 | ed.signal_change.current_signal = sig.current_signal; | |
2571 | ed.signal_change.current_txrate = sig.current_txrate; | |
2572 | wpa_printf(MSG_DEBUG, "nl80211: Signal: %d dBm txrate: %d", | |
2573 | sig.current_signal, sig.current_txrate); | |
2574 | } | |
2575 | ||
2576 | res = nl80211_get_link_noise(drv, &sig); | |
2577 | if (res == 0) { | |
2578 | ed.signal_change.current_noise = sig.current_noise; | |
2579 | wpa_printf(MSG_DEBUG, "nl80211: Noise: %d dBm", | |
2580 | sig.current_noise); | |
2581 | } | |
2582 | ||
2583 | wpa_supplicant_event(drv->ctx, EVENT_SIGNAL_CHANGE, &ed); | |
2584 | } | |
2585 | ||
2586 | ||
2587 | static void nl80211_new_station_event(struct wpa_driver_nl80211_data *drv, | |
2588 | struct nlattr **tb) | |
2589 | { | |
2590 | u8 *addr; | |
2591 | union wpa_event_data data; | |
2592 | ||
2593 | if (tb[NL80211_ATTR_MAC] == NULL) | |
2594 | return; | |
2595 | addr = nla_data(tb[NL80211_ATTR_MAC]); | |
2596 | wpa_printf(MSG_DEBUG, "nl80211: New station " MACSTR, MAC2STR(addr)); | |
2597 | ||
2598 | if (is_ap_interface(drv->nlmode) && drv->device_ap_sme) { | |
2599 | u8 *ies = NULL; | |
2600 | size_t ies_len = 0; | |
2601 | if (tb[NL80211_ATTR_IE]) { | |
2602 | ies = nla_data(tb[NL80211_ATTR_IE]); | |
2603 | ies_len = nla_len(tb[NL80211_ATTR_IE]); | |
2604 | } | |
2605 | wpa_hexdump(MSG_DEBUG, "nl80211: Assoc Req IEs", ies, ies_len); | |
2606 | drv_event_assoc(drv->ctx, addr, ies, ies_len, 0); | |
2607 | return; | |
2608 | } | |
2609 | ||
2610 | if (drv->nlmode != NL80211_IFTYPE_ADHOC) | |
2611 | return; | |
2612 | ||
2613 | os_memset(&data, 0, sizeof(data)); | |
2614 | os_memcpy(data.ibss_rsn_start.peer, addr, ETH_ALEN); | |
2615 | wpa_supplicant_event(drv->ctx, EVENT_IBSS_RSN_START, &data); | |
2616 | } | |
2617 | ||
2618 | ||
2619 | static void nl80211_del_station_event(struct wpa_driver_nl80211_data *drv, | |
2620 | struct nlattr **tb) | |
2621 | { | |
2622 | u8 *addr; | |
2623 | union wpa_event_data data; | |
2624 | ||
2625 | if (tb[NL80211_ATTR_MAC] == NULL) | |
2626 | return; | |
2627 | addr = nla_data(tb[NL80211_ATTR_MAC]); | |
2628 | wpa_printf(MSG_DEBUG, "nl80211: Delete station " MACSTR, | |
2629 | MAC2STR(addr)); | |
2630 | ||
2631 | if (is_ap_interface(drv->nlmode) && drv->device_ap_sme) { | |
2632 | drv_event_disassoc(drv->ctx, addr); | |
2633 | return; | |
2634 | } | |
2635 | ||
2636 | if (drv->nlmode != NL80211_IFTYPE_ADHOC) | |
2637 | return; | |
2638 | ||
2639 | os_memset(&data, 0, sizeof(data)); | |
2640 | os_memcpy(data.ibss_peer_lost.peer, addr, ETH_ALEN); | |
2641 | wpa_supplicant_event(drv->ctx, EVENT_IBSS_PEER_LOST, &data); | |
2642 | } | |
2643 | ||
2644 | ||
2645 | static void nl80211_rekey_offload_event(struct wpa_driver_nl80211_data *drv, | |
2646 | struct nlattr **tb) | |
2647 | { | |
2648 | struct nlattr *rekey_info[NUM_NL80211_REKEY_DATA]; | |
2649 | static struct nla_policy rekey_policy[NUM_NL80211_REKEY_DATA] = { | |
2650 | [NL80211_REKEY_DATA_KEK] = { | |
2651 | .minlen = NL80211_KEK_LEN, | |
2652 | .maxlen = NL80211_KEK_LEN, | |
2653 | }, | |
2654 | [NL80211_REKEY_DATA_KCK] = { | |
2655 | .minlen = NL80211_KCK_LEN, | |
2656 | .maxlen = NL80211_KCK_LEN, | |
2657 | }, | |
2658 | [NL80211_REKEY_DATA_REPLAY_CTR] = { | |
2659 | .minlen = NL80211_REPLAY_CTR_LEN, | |
2660 | .maxlen = NL80211_REPLAY_CTR_LEN, | |
2661 | }, | |
2662 | }; | |
2663 | union wpa_event_data data; | |
2664 | ||
2665 | if (!tb[NL80211_ATTR_MAC]) | |
2666 | return; | |
2667 | if (!tb[NL80211_ATTR_REKEY_DATA]) | |
2668 | return; | |
2669 | if (nla_parse_nested(rekey_info, MAX_NL80211_REKEY_DATA, | |
2670 | tb[NL80211_ATTR_REKEY_DATA], rekey_policy)) | |
2671 | return; | |
2672 | if (!rekey_info[NL80211_REKEY_DATA_REPLAY_CTR]) | |
2673 | return; | |
2674 | ||
2675 | os_memset(&data, 0, sizeof(data)); | |
2676 | data.driver_gtk_rekey.bssid = nla_data(tb[NL80211_ATTR_MAC]); | |
2677 | wpa_printf(MSG_DEBUG, "nl80211: Rekey offload event for BSSID " MACSTR, | |
2678 | MAC2STR(data.driver_gtk_rekey.bssid)); | |
2679 | data.driver_gtk_rekey.replay_ctr = | |
2680 | nla_data(rekey_info[NL80211_REKEY_DATA_REPLAY_CTR]); | |
2681 | wpa_hexdump(MSG_DEBUG, "nl80211: Rekey offload - Replay Counter", | |
2682 | data.driver_gtk_rekey.replay_ctr, NL80211_REPLAY_CTR_LEN); | |
2683 | wpa_supplicant_event(drv->ctx, EVENT_DRIVER_GTK_REKEY, &data); | |
2684 | } | |
2685 | ||
2686 | ||
2687 | static void nl80211_pmksa_candidate_event(struct wpa_driver_nl80211_data *drv, | |
2688 | struct nlattr **tb) | |
2689 | { | |
2690 | struct nlattr *cand[NUM_NL80211_PMKSA_CANDIDATE]; | |
2691 | static struct nla_policy cand_policy[NUM_NL80211_PMKSA_CANDIDATE] = { | |
2692 | [NL80211_PMKSA_CANDIDATE_INDEX] = { .type = NLA_U32 }, | |
2693 | [NL80211_PMKSA_CANDIDATE_BSSID] = { | |
2694 | .minlen = ETH_ALEN, | |
2695 | .maxlen = ETH_ALEN, | |
2696 | }, | |
2697 | [NL80211_PMKSA_CANDIDATE_PREAUTH] = { .type = NLA_FLAG }, | |
2698 | }; | |
2699 | union wpa_event_data data; | |
2700 | ||
2701 | wpa_printf(MSG_DEBUG, "nl80211: PMKSA candidate event"); | |
2702 | ||
2703 | if (!tb[NL80211_ATTR_PMKSA_CANDIDATE]) | |
2704 | return; | |
2705 | if (nla_parse_nested(cand, MAX_NL80211_PMKSA_CANDIDATE, | |
2706 | tb[NL80211_ATTR_PMKSA_CANDIDATE], cand_policy)) | |
2707 | return; | |
2708 | if (!cand[NL80211_PMKSA_CANDIDATE_INDEX] || | |
2709 | !cand[NL80211_PMKSA_CANDIDATE_BSSID]) | |
2710 | return; | |
2711 | ||
2712 | os_memset(&data, 0, sizeof(data)); | |
2713 | os_memcpy(data.pmkid_candidate.bssid, | |
2714 | nla_data(cand[NL80211_PMKSA_CANDIDATE_BSSID]), ETH_ALEN); | |
2715 | data.pmkid_candidate.index = | |
2716 | nla_get_u32(cand[NL80211_PMKSA_CANDIDATE_INDEX]); | |
2717 | data.pmkid_candidate.preauth = | |
2718 | cand[NL80211_PMKSA_CANDIDATE_PREAUTH] != NULL; | |
2719 | wpa_supplicant_event(drv->ctx, EVENT_PMKID_CANDIDATE, &data); | |
2720 | } | |
2721 | ||
2722 | ||
2723 | static void nl80211_client_probe_event(struct wpa_driver_nl80211_data *drv, | |
2724 | struct nlattr **tb) | |
2725 | { | |
2726 | union wpa_event_data data; | |
2727 | ||
2728 | wpa_printf(MSG_DEBUG, "nl80211: Probe client event"); | |
2729 | ||
2730 | if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_ACK]) | |
2731 | return; | |
2732 | ||
2733 | os_memset(&data, 0, sizeof(data)); | |
2734 | os_memcpy(data.client_poll.addr, | |
2735 | nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN); | |
2736 | ||
2737 | wpa_supplicant_event(drv->ctx, EVENT_DRIVER_CLIENT_POLL_OK, &data); | |
2738 | } | |
2739 | ||
2740 | ||
2741 | static void nl80211_tdls_oper_event(struct wpa_driver_nl80211_data *drv, | |
2742 | struct nlattr **tb) | |
2743 | { | |
2744 | union wpa_event_data data; | |
2745 | ||
2746 | wpa_printf(MSG_DEBUG, "nl80211: TDLS operation event"); | |
2747 | ||
2748 | if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_TDLS_OPERATION]) | |
2749 | return; | |
2750 | ||
2751 | os_memset(&data, 0, sizeof(data)); | |
2752 | os_memcpy(data.tdls.peer, nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN); | |
2753 | switch (nla_get_u8(tb[NL80211_ATTR_TDLS_OPERATION])) { | |
2754 | case NL80211_TDLS_SETUP: | |
2755 | wpa_printf(MSG_DEBUG, "nl80211: TDLS setup request for peer " | |
2756 | MACSTR, MAC2STR(data.tdls.peer)); | |
2757 | data.tdls.oper = TDLS_REQUEST_SETUP; | |
2758 | break; | |
2759 | case NL80211_TDLS_TEARDOWN: | |
2760 | wpa_printf(MSG_DEBUG, "nl80211: TDLS teardown request for peer " | |
2761 | MACSTR, MAC2STR(data.tdls.peer)); | |
2762 | data.tdls.oper = TDLS_REQUEST_TEARDOWN; | |
2763 | break; | |
2764 | default: | |
2765 | wpa_printf(MSG_DEBUG, "nl80211: Unsupported TDLS operatione " | |
2766 | "event"); | |
2767 | return; | |
2768 | } | |
2769 | if (tb[NL80211_ATTR_REASON_CODE]) { | |
2770 | data.tdls.reason_code = | |
2771 | nla_get_u16(tb[NL80211_ATTR_REASON_CODE]); | |
2772 | } | |
2773 | ||
2774 | wpa_supplicant_event(drv->ctx, EVENT_TDLS, &data); | |
2775 | } | |
2776 | ||
2777 | ||
2778 | static void nl80211_stop_ap(struct wpa_driver_nl80211_data *drv, | |
2779 | struct nlattr **tb) | |
2780 | { | |
2781 | wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_UNAVAILABLE, NULL); | |
2782 | } | |
2783 | ||
2784 | ||
2785 | static void nl80211_connect_failed_event(struct wpa_driver_nl80211_data *drv, | |
2786 | struct nlattr **tb) | |
2787 | { | |
2788 | union wpa_event_data data; | |
2789 | u32 reason; | |
2790 | ||
2791 | wpa_printf(MSG_DEBUG, "nl80211: Connect failed event"); | |
2792 | ||
2793 | if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_CONN_FAILED_REASON]) | |
2794 | return; | |
2795 | ||
2796 | os_memset(&data, 0, sizeof(data)); | |
2797 | os_memcpy(data.connect_failed_reason.addr, | |
2798 | nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN); | |
2799 | ||
2800 | reason = nla_get_u32(tb[NL80211_ATTR_CONN_FAILED_REASON]); | |
2801 | switch (reason) { | |
2802 | case NL80211_CONN_FAIL_MAX_CLIENTS: | |
2803 | wpa_printf(MSG_DEBUG, "nl80211: Max client reached"); | |
2804 | data.connect_failed_reason.code = MAX_CLIENT_REACHED; | |
2805 | break; | |
2806 | case NL80211_CONN_FAIL_BLOCKED_CLIENT: | |
2807 | wpa_printf(MSG_DEBUG, "nl80211: Blocked client " MACSTR | |
2808 | " tried to connect", | |
2809 | MAC2STR(data.connect_failed_reason.addr)); | |
2810 | data.connect_failed_reason.code = BLOCKED_CLIENT; | |
2811 | break; | |
2812 | default: | |
2813 | wpa_printf(MSG_DEBUG, "nl8021l: Unknown connect failed reason " | |
2814 | "%u", reason); | |
2815 | return; | |
2816 | } | |
2817 | ||
2818 | wpa_supplicant_event(drv->ctx, EVENT_CONNECT_FAILED_REASON, &data); | |
2819 | } | |
2820 | ||
2821 | ||
2822 | static void nl80211_radar_event(struct wpa_driver_nl80211_data *drv, | |
2823 | struct nlattr **tb) | |
2824 | { | |
2825 | union wpa_event_data data; | |
2826 | enum nl80211_radar_event event_type; | |
2827 | ||
2828 | if (!tb[NL80211_ATTR_WIPHY_FREQ] || !tb[NL80211_ATTR_RADAR_EVENT]) | |
2829 | return; | |
2830 | ||
2831 | os_memset(&data, 0, sizeof(data)); | |
2832 | data.dfs_event.freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]); | |
2833 | event_type = nla_get_u32(tb[NL80211_ATTR_RADAR_EVENT]); | |
2834 | ||
2835 | /* Check HT params */ | |
2836 | if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { | |
2837 | data.dfs_event.ht_enabled = 1; | |
2838 | data.dfs_event.chan_offset = 0; | |
2839 | ||
2840 | switch (nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE])) { | |
2841 | case NL80211_CHAN_NO_HT: | |
2842 | data.dfs_event.ht_enabled = 0; | |
2843 | break; | |
2844 | case NL80211_CHAN_HT20: | |
2845 | break; | |
2846 | case NL80211_CHAN_HT40PLUS: | |
2847 | data.dfs_event.chan_offset = 1; | |
2848 | break; | |
2849 | case NL80211_CHAN_HT40MINUS: | |
2850 | data.dfs_event.chan_offset = -1; | |
2851 | break; | |
2852 | } | |
2853 | } | |
2854 | ||
2855 | /* Get VHT params */ | |
2856 | if (tb[NL80211_ATTR_CHANNEL_WIDTH]) | |
2857 | data.dfs_event.chan_width = | |
2858 | convert2width(nla_get_u32( | |
2859 | tb[NL80211_ATTR_CHANNEL_WIDTH])); | |
2860 | if (tb[NL80211_ATTR_CENTER_FREQ1]) | |
2861 | data.dfs_event.cf1 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]); | |
2862 | if (tb[NL80211_ATTR_CENTER_FREQ2]) | |
2863 | data.dfs_event.cf2 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]); | |
2864 | ||
2865 | wpa_printf(MSG_DEBUG, "nl80211: DFS event on freq %d MHz, ht: %d, offset: %d, width: %d, cf1: %dMHz, cf2: %dMHz", | |
2866 | data.dfs_event.freq, data.dfs_event.ht_enabled, | |
2867 | data.dfs_event.chan_offset, data.dfs_event.chan_width, | |
2868 | data.dfs_event.cf1, data.dfs_event.cf2); | |
2869 | ||
2870 | switch (event_type) { | |
2871 | case NL80211_RADAR_DETECTED: | |
2872 | wpa_supplicant_event(drv->ctx, EVENT_DFS_RADAR_DETECTED, &data); | |
2873 | break; | |
2874 | case NL80211_RADAR_CAC_FINISHED: | |
2875 | wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_FINISHED, &data); | |
2876 | break; | |
2877 | case NL80211_RADAR_CAC_ABORTED: | |
2878 | wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_ABORTED, &data); | |
2879 | break; | |
2880 | case NL80211_RADAR_NOP_FINISHED: | |
2881 | wpa_supplicant_event(drv->ctx, EVENT_DFS_NOP_FINISHED, &data); | |
2882 | break; | |
2883 | default: | |
2884 | wpa_printf(MSG_DEBUG, "nl80211: Unknown radar event %d " | |
2885 | "received", event_type); | |
2886 | break; | |
2887 | } | |
2888 | } | |
2889 | ||
2890 | ||
2891 | static void nl80211_spurious_frame(struct i802_bss *bss, struct nlattr **tb, | |
2892 | int wds) | |
2893 | { | |
2894 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
2895 | union wpa_event_data event; | |
2896 | ||
2897 | if (!tb[NL80211_ATTR_MAC]) | |
2898 | return; | |
2899 | ||
2900 | os_memset(&event, 0, sizeof(event)); | |
2901 | event.rx_from_unknown.bssid = bss->addr; | |
2902 | event.rx_from_unknown.addr = nla_data(tb[NL80211_ATTR_MAC]); | |
2903 | event.rx_from_unknown.wds = wds; | |
2904 | ||
2905 | wpa_supplicant_event(drv->ctx, EVENT_RX_FROM_UNKNOWN, &event); | |
2906 | } | |
2907 | ||
2908 | ||
2909 | static void qca_nl80211_avoid_freq(struct wpa_driver_nl80211_data *drv, | |
2910 | const u8 *data, size_t len) | |
2911 | { | |
2912 | u32 i, count; | |
2913 | union wpa_event_data event; | |
2914 | struct wpa_freq_range *range = NULL; | |
2915 | const struct qca_avoid_freq_list *freq_range; | |
2916 | ||
2917 | freq_range = (const struct qca_avoid_freq_list *) data; | |
2918 | if (len < sizeof(freq_range->count)) | |
2919 | return; | |
2920 | ||
2921 | count = freq_range->count; | |
2922 | if (len < sizeof(freq_range->count) + | |
2923 | count * sizeof(struct qca_avoid_freq_range)) { | |
2924 | wpa_printf(MSG_DEBUG, "nl80211: Ignored too short avoid frequency list (len=%u)", | |
2925 | (unsigned int) len); | |
2926 | return; | |
2927 | } | |
2928 | ||
2929 | if (count > 0) { | |
2930 | range = os_calloc(count, sizeof(struct wpa_freq_range)); | |
2931 | if (range == NULL) | |
2932 | return; | |
2933 | } | |
2934 | ||
2935 | os_memset(&event, 0, sizeof(event)); | |
2936 | for (i = 0; i < count; i++) { | |
2937 | unsigned int idx = event.freq_range.num; | |
2938 | range[idx].min = freq_range->range[i].start_freq; | |
2939 | range[idx].max = freq_range->range[i].end_freq; | |
2940 | wpa_printf(MSG_DEBUG, "nl80211: Avoid frequency range: %u-%u", | |
2941 | range[idx].min, range[idx].max); | |
2942 | if (range[idx].min > range[idx].max) { | |
2943 | wpa_printf(MSG_DEBUG, "nl80211: Ignore invalid frequency range"); | |
2944 | continue; | |
2945 | } | |
2946 | event.freq_range.num++; | |
2947 | } | |
2948 | event.freq_range.range = range; | |
2949 | ||
2950 | wpa_supplicant_event(drv->ctx, EVENT_AVOID_FREQUENCIES, &event); | |
2951 | ||
2952 | os_free(range); | |
2953 | } | |
2954 | ||
2955 | ||
2956 | static void nl80211_vendor_event_qca(struct wpa_driver_nl80211_data *drv, | |
2957 | u32 subcmd, u8 *data, size_t len) | |
2958 | { | |
2959 | switch (subcmd) { | |
2960 | case QCA_NL80211_VENDOR_SUBCMD_AVOID_FREQUENCY: | |
2961 | qca_nl80211_avoid_freq(drv, data, len); | |
2962 | break; | |
2963 | default: | |
2964 | wpa_printf(MSG_DEBUG, | |
2965 | "nl80211: Ignore unsupported QCA vendor event %u", | |
2966 | subcmd); | |
2967 | break; | |
2968 | } | |
2969 | } | |
2970 | ||
2971 | ||
2972 | static void nl80211_vendor_event(struct wpa_driver_nl80211_data *drv, | |
2973 | struct nlattr **tb) | |
2974 | { | |
2975 | u32 vendor_id, subcmd, wiphy = 0; | |
2976 | int wiphy_idx; | |
2977 | u8 *data = NULL; | |
2978 | size_t len = 0; | |
2979 | ||
2980 | if (!tb[NL80211_ATTR_VENDOR_ID] || | |
2981 | !tb[NL80211_ATTR_VENDOR_SUBCMD]) | |
2982 | return; | |
2983 | ||
2984 | vendor_id = nla_get_u32(tb[NL80211_ATTR_VENDOR_ID]); | |
2985 | subcmd = nla_get_u32(tb[NL80211_ATTR_VENDOR_SUBCMD]); | |
2986 | ||
2987 | if (tb[NL80211_ATTR_WIPHY]) | |
2988 | wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]); | |
2989 | ||
2990 | wpa_printf(MSG_DEBUG, "nl80211: Vendor event: wiphy=%u vendor_id=0x%x subcmd=%u", | |
2991 | wiphy, vendor_id, subcmd); | |
2992 | ||
2993 | if (tb[NL80211_ATTR_VENDOR_DATA]) { | |
2994 | data = nla_data(tb[NL80211_ATTR_VENDOR_DATA]); | |
2995 | len = nla_len(tb[NL80211_ATTR_VENDOR_DATA]); | |
2996 | wpa_hexdump(MSG_MSGDUMP, "nl80211: Vendor data", data, len); | |
2997 | } | |
2998 | ||
2999 | wiphy_idx = nl80211_get_wiphy_index(drv->first_bss); | |
3000 | if (wiphy_idx >= 0 && wiphy_idx != (int) wiphy) { | |
3001 | wpa_printf(MSG_DEBUG, "nl80211: Ignore vendor event for foreign wiphy %u (own: %d)", | |
3002 | wiphy, wiphy_idx); | |
3003 | return; | |
3004 | } | |
3005 | ||
3006 | switch (vendor_id) { | |
3007 | case OUI_QCA: | |
3008 | nl80211_vendor_event_qca(drv, subcmd, data, len); | |
3009 | break; | |
3010 | default: | |
3011 | wpa_printf(MSG_DEBUG, "nl80211: Ignore unsupported vendor event"); | |
3012 | break; | |
3013 | } | |
3014 | } | |
3015 | ||
3016 | ||
3017 | static void nl80211_reg_change_event(struct wpa_driver_nl80211_data *drv, | |
3018 | struct nlattr *tb[]) | |
3019 | { | |
3020 | union wpa_event_data data; | |
3021 | enum nl80211_reg_initiator init; | |
3022 | ||
3023 | wpa_printf(MSG_DEBUG, "nl80211: Regulatory domain change"); | |
3024 | ||
3025 | if (tb[NL80211_ATTR_REG_INITIATOR] == NULL) | |
3026 | return; | |
3027 | ||
3028 | os_memset(&data, 0, sizeof(data)); | |
3029 | init = nla_get_u8(tb[NL80211_ATTR_REG_INITIATOR]); | |
3030 | wpa_printf(MSG_DEBUG, " * initiator=%d", init); | |
3031 | switch (init) { | |
3032 | case NL80211_REGDOM_SET_BY_CORE: | |
3033 | data.channel_list_changed.initiator = REGDOM_SET_BY_CORE; | |
3034 | break; | |
3035 | case NL80211_REGDOM_SET_BY_USER: | |
3036 | data.channel_list_changed.initiator = REGDOM_SET_BY_USER; | |
3037 | break; | |
3038 | case NL80211_REGDOM_SET_BY_DRIVER: | |
3039 | data.channel_list_changed.initiator = REGDOM_SET_BY_DRIVER; | |
3040 | break; | |
3041 | case NL80211_REGDOM_SET_BY_COUNTRY_IE: | |
3042 | data.channel_list_changed.initiator = REGDOM_SET_BY_COUNTRY_IE; | |
3043 | break; | |
3044 | } | |
3045 | ||
3046 | if (tb[NL80211_ATTR_REG_TYPE]) { | |
3047 | enum nl80211_reg_type type; | |
3048 | type = nla_get_u8(tb[NL80211_ATTR_REG_TYPE]); | |
3049 | wpa_printf(MSG_DEBUG, " * type=%d", type); | |
3050 | switch (type) { | |
3051 | case NL80211_REGDOM_TYPE_COUNTRY: | |
3052 | data.channel_list_changed.type = REGDOM_TYPE_COUNTRY; | |
3053 | break; | |
3054 | case NL80211_REGDOM_TYPE_WORLD: | |
3055 | data.channel_list_changed.type = REGDOM_TYPE_WORLD; | |
3056 | break; | |
3057 | case NL80211_REGDOM_TYPE_CUSTOM_WORLD: | |
3058 | data.channel_list_changed.type = | |
3059 | REGDOM_TYPE_CUSTOM_WORLD; | |
3060 | break; | |
3061 | case NL80211_REGDOM_TYPE_INTERSECTION: | |
3062 | data.channel_list_changed.type = | |
3063 | REGDOM_TYPE_INTERSECTION; | |
3064 | break; | |
3065 | } | |
3066 | } | |
3067 | ||
3068 | if (tb[NL80211_ATTR_REG_ALPHA2]) { | |
3069 | os_strlcpy(data.channel_list_changed.alpha2, | |
3070 | nla_get_string(tb[NL80211_ATTR_REG_ALPHA2]), | |
3071 | sizeof(data.channel_list_changed.alpha2)); | |
3072 | wpa_printf(MSG_DEBUG, " * alpha2=%s", | |
3073 | data.channel_list_changed.alpha2); | |
3074 | } | |
3075 | ||
3076 | wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED, &data); | |
3077 | } | |
3078 | ||
3079 | ||
3080 | static void do_process_drv_event(struct i802_bss *bss, int cmd, | |
3081 | struct nlattr **tb) | |
3082 | { | |
3083 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
3084 | union wpa_event_data data; | |
3085 | ||
3086 | wpa_printf(MSG_DEBUG, "nl80211: Drv Event %d (%s) received for %s", | |
3087 | cmd, nl80211_command_to_string(cmd), bss->ifname); | |
3088 | ||
3089 | if (drv->ap_scan_as_station != NL80211_IFTYPE_UNSPECIFIED && | |
3090 | (cmd == NL80211_CMD_NEW_SCAN_RESULTS || | |
3091 | cmd == NL80211_CMD_SCAN_ABORTED)) { | |
3092 | wpa_driver_nl80211_set_mode(drv->first_bss, | |
3093 | drv->ap_scan_as_station); | |
3094 | drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED; | |
3095 | } | |
3096 | ||
3097 | switch (cmd) { | |
3098 | case NL80211_CMD_TRIGGER_SCAN: | |
3099 | wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Scan trigger"); | |
3100 | drv->scan_state = SCAN_STARTED; | |
3101 | if (drv->scan_for_auth) { | |
3102 | /* | |
3103 | * Cannot indicate EVENT_SCAN_STARTED here since we skip | |
3104 | * EVENT_SCAN_RESULTS in scan_for_auth case and the | |
3105 | * upper layer implementation could get confused about | |
3106 | * scanning state. | |
3107 | */ | |
3108 | wpa_printf(MSG_DEBUG, "nl80211: Do not indicate scan-start event due to internal scan_for_auth"); | |
3109 | break; | |
3110 | } | |
3111 | wpa_supplicant_event(drv->ctx, EVENT_SCAN_STARTED, NULL); | |
3112 | break; | |
3113 | case NL80211_CMD_START_SCHED_SCAN: | |
3114 | wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Sched scan started"); | |
3115 | drv->scan_state = SCHED_SCAN_STARTED; | |
3116 | break; | |
3117 | case NL80211_CMD_SCHED_SCAN_STOPPED: | |
3118 | wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Sched scan stopped"); | |
3119 | drv->scan_state = SCHED_SCAN_STOPPED; | |
3120 | wpa_supplicant_event(drv->ctx, EVENT_SCHED_SCAN_STOPPED, NULL); | |
3121 | break; | |
3122 | case NL80211_CMD_NEW_SCAN_RESULTS: | |
3123 | wpa_dbg(drv->ctx, MSG_DEBUG, | |
3124 | "nl80211: New scan results available"); | |
3125 | drv->scan_state = SCAN_COMPLETED; | |
3126 | drv->scan_complete_events = 1; | |
3127 | eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, | |
3128 | drv->ctx); | |
3129 | send_scan_event(drv, 0, tb); | |
3130 | break; | |
3131 | case NL80211_CMD_SCHED_SCAN_RESULTS: | |
3132 | wpa_dbg(drv->ctx, MSG_DEBUG, | |
3133 | "nl80211: New sched scan results available"); | |
3134 | drv->scan_state = SCHED_SCAN_RESULTS; | |
3135 | send_scan_event(drv, 0, tb); | |
3136 | break; | |
3137 | case NL80211_CMD_SCAN_ABORTED: | |
3138 | wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Scan aborted"); | |
3139 | drv->scan_state = SCAN_ABORTED; | |
3140 | /* | |
3141 | * Need to indicate that scan results are available in order | |
3142 | * not to make wpa_supplicant stop its scanning. | |
3143 | */ | |
3144 | eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, | |
3145 | drv->ctx); | |
3146 | send_scan_event(drv, 1, tb); | |
3147 | break; | |
3148 | case NL80211_CMD_AUTHENTICATE: | |
3149 | case NL80211_CMD_ASSOCIATE: | |
3150 | case NL80211_CMD_DEAUTHENTICATE: | |
3151 | case NL80211_CMD_DISASSOCIATE: | |
3152 | case NL80211_CMD_FRAME_TX_STATUS: | |
3153 | case NL80211_CMD_UNPROT_DEAUTHENTICATE: | |
3154 | case NL80211_CMD_UNPROT_DISASSOCIATE: | |
3155 | mlme_event(bss, cmd, tb[NL80211_ATTR_FRAME], | |
3156 | tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT], | |
3157 | tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK], | |
3158 | tb[NL80211_ATTR_COOKIE], | |
3159 | tb[NL80211_ATTR_RX_SIGNAL_DBM]); | |
3160 | break; | |
3161 | case NL80211_CMD_CONNECT: | |
3162 | case NL80211_CMD_ROAM: | |
3163 | mlme_event_connect(drv, cmd, | |
3164 | tb[NL80211_ATTR_STATUS_CODE], | |
3165 | tb[NL80211_ATTR_MAC], | |
3166 | tb[NL80211_ATTR_REQ_IE], | |
3167 | tb[NL80211_ATTR_RESP_IE]); | |
3168 | break; | |
3169 | case NL80211_CMD_CH_SWITCH_NOTIFY: | |
3170 | mlme_event_ch_switch(drv, | |
3171 | tb[NL80211_ATTR_IFINDEX], | |
3172 | tb[NL80211_ATTR_WIPHY_FREQ], | |
3173 | tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE], | |
3174 | tb[NL80211_ATTR_CHANNEL_WIDTH], | |
3175 | tb[NL80211_ATTR_CENTER_FREQ1], | |
3176 | tb[NL80211_ATTR_CENTER_FREQ2]); | |
3177 | break; | |
3178 | case NL80211_CMD_DISCONNECT: | |
3179 | mlme_event_disconnect(drv, tb[NL80211_ATTR_REASON_CODE], | |
3180 | tb[NL80211_ATTR_MAC], | |
3181 | tb[NL80211_ATTR_DISCONNECTED_BY_AP]); | |
3182 | break; | |
3183 | case NL80211_CMD_MICHAEL_MIC_FAILURE: | |
3184 | mlme_event_michael_mic_failure(bss, tb); | |
3185 | break; | |
3186 | case NL80211_CMD_JOIN_IBSS: | |
3187 | mlme_event_join_ibss(drv, tb); | |
3188 | break; | |
3189 | case NL80211_CMD_REMAIN_ON_CHANNEL: | |
3190 | mlme_event_remain_on_channel(drv, 0, tb); | |
3191 | break; | |
3192 | case NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL: | |
3193 | mlme_event_remain_on_channel(drv, 1, tb); | |
3194 | break; | |
3195 | case NL80211_CMD_NOTIFY_CQM: | |
3196 | nl80211_cqm_event(drv, tb); | |
3197 | break; | |
3198 | case NL80211_CMD_REG_CHANGE: | |
3199 | nl80211_reg_change_event(drv, tb); | |
3200 | break; | |
3201 | case NL80211_CMD_REG_BEACON_HINT: | |
3202 | wpa_printf(MSG_DEBUG, "nl80211: Regulatory beacon hint"); | |
3203 | os_memset(&data, 0, sizeof(data)); | |
3204 | data.channel_list_changed.initiator = REGDOM_BEACON_HINT; | |
3205 | wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED, | |
3206 | &data); | |
3207 | break; | |
3208 | case NL80211_CMD_NEW_STATION: | |
3209 | nl80211_new_station_event(drv, tb); | |
3210 | break; | |
3211 | case NL80211_CMD_DEL_STATION: | |
3212 | nl80211_del_station_event(drv, tb); | |
3213 | break; | |
3214 | case NL80211_CMD_SET_REKEY_OFFLOAD: | |
3215 | nl80211_rekey_offload_event(drv, tb); | |
3216 | break; | |
3217 | case NL80211_CMD_PMKSA_CANDIDATE: | |
3218 | nl80211_pmksa_candidate_event(drv, tb); | |
3219 | break; | |
3220 | case NL80211_CMD_PROBE_CLIENT: | |
3221 | nl80211_client_probe_event(drv, tb); | |
3222 | break; | |
3223 | case NL80211_CMD_TDLS_OPER: | |
3224 | nl80211_tdls_oper_event(drv, tb); | |
3225 | break; | |
3226 | case NL80211_CMD_CONN_FAILED: | |
3227 | nl80211_connect_failed_event(drv, tb); | |
3228 | break; | |
3229 | case NL80211_CMD_FT_EVENT: | |
3230 | mlme_event_ft_event(drv, tb); | |
3231 | break; | |
3232 | case NL80211_CMD_RADAR_DETECT: | |
3233 | nl80211_radar_event(drv, tb); | |
3234 | break; | |
3235 | case NL80211_CMD_STOP_AP: | |
3236 | nl80211_stop_ap(drv, tb); | |
3237 | break; | |
3238 | case NL80211_CMD_VENDOR: | |
3239 | nl80211_vendor_event(drv, tb); | |
3240 | break; | |
3241 | default: | |
3242 | wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Ignored unknown event " | |
3243 | "(cmd=%d)", cmd); | |
3244 | break; | |
3245 | } | |
3246 | } | |
3247 | ||
3248 | ||
3249 | static int process_drv_event(struct nl_msg *msg, void *arg) | |
3250 | { | |
3251 | struct wpa_driver_nl80211_data *drv = arg; | |
3252 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
3253 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
3254 | struct i802_bss *bss; | |
3255 | int ifidx = -1; | |
3256 | ||
3257 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
3258 | genlmsg_attrlen(gnlh, 0), NULL); | |
3259 | ||
3260 | if (tb[NL80211_ATTR_IFINDEX]) { | |
3261 | ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]); | |
3262 | ||
3263 | for (bss = drv->first_bss; bss; bss = bss->next) | |
3264 | if (ifidx == -1 || ifidx == bss->ifindex) { | |
3265 | do_process_drv_event(bss, gnlh->cmd, tb); | |
3266 | return NL_SKIP; | |
3267 | } | |
3268 | wpa_printf(MSG_DEBUG, | |
3269 | "nl80211: Ignored event (cmd=%d) for foreign interface (ifindex %d)", | |
3270 | gnlh->cmd, ifidx); | |
3271 | } else if (tb[NL80211_ATTR_WDEV]) { | |
3272 | u64 wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]); | |
3273 | wpa_printf(MSG_DEBUG, "nl80211: Process event on P2P device"); | |
3274 | for (bss = drv->first_bss; bss; bss = bss->next) { | |
3275 | if (bss->wdev_id_set && wdev_id == bss->wdev_id) { | |
3276 | do_process_drv_event(bss, gnlh->cmd, tb); | |
3277 | return NL_SKIP; | |
3278 | } | |
3279 | } | |
3280 | wpa_printf(MSG_DEBUG, | |
3281 | "nl80211: Ignored event (cmd=%d) for foreign interface (wdev 0x%llx)", | |
3282 | gnlh->cmd, (long long unsigned int) wdev_id); | |
3283 | } | |
3284 | ||
3285 | return NL_SKIP; | |
3286 | } | |
3287 | ||
3288 | ||
3289 | static int process_global_event(struct nl_msg *msg, void *arg) | |
3290 | { | |
3291 | struct nl80211_global *global = arg; | |
3292 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
3293 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
3294 | struct wpa_driver_nl80211_data *drv, *tmp; | |
3295 | int ifidx = -1; | |
3296 | struct i802_bss *bss; | |
3297 | u64 wdev_id = 0; | |
3298 | int wdev_id_set = 0; | |
3299 | ||
3300 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
3301 | genlmsg_attrlen(gnlh, 0), NULL); | |
3302 | ||
3303 | if (tb[NL80211_ATTR_IFINDEX]) | |
3304 | ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]); | |
3305 | else if (tb[NL80211_ATTR_WDEV]) { | |
3306 | wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]); | |
3307 | wdev_id_set = 1; | |
3308 | } | |
3309 | ||
3310 | dl_list_for_each_safe(drv, tmp, &global->interfaces, | |
3311 | struct wpa_driver_nl80211_data, list) { | |
3312 | for (bss = drv->first_bss; bss; bss = bss->next) { | |
3313 | if ((ifidx == -1 && !wdev_id_set) || | |
3314 | ifidx == bss->ifindex || | |
3315 | (wdev_id_set && bss->wdev_id_set && | |
3316 | wdev_id == bss->wdev_id)) { | |
3317 | do_process_drv_event(bss, gnlh->cmd, tb); | |
3318 | return NL_SKIP; | |
3319 | } | |
3320 | } | |
3321 | } | |
3322 | ||
3323 | return NL_SKIP; | |
3324 | } | |
3325 | ||
3326 | ||
3327 | static int process_bss_event(struct nl_msg *msg, void *arg) | |
3328 | { | |
3329 | struct i802_bss *bss = arg; | |
3330 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
3331 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
3332 | ||
3333 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
3334 | genlmsg_attrlen(gnlh, 0), NULL); | |
3335 | ||
3336 | wpa_printf(MSG_DEBUG, "nl80211: BSS Event %d (%s) received for %s", | |
3337 | gnlh->cmd, nl80211_command_to_string(gnlh->cmd), | |
3338 | bss->ifname); | |
3339 | ||
3340 | switch (gnlh->cmd) { | |
3341 | case NL80211_CMD_FRAME: | |
3342 | case NL80211_CMD_FRAME_TX_STATUS: | |
3343 | mlme_event(bss, gnlh->cmd, tb[NL80211_ATTR_FRAME], | |
3344 | tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT], | |
3345 | tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK], | |
3346 | tb[NL80211_ATTR_COOKIE], | |
3347 | tb[NL80211_ATTR_RX_SIGNAL_DBM]); | |
3348 | break; | |
3349 | case NL80211_CMD_UNEXPECTED_FRAME: | |
3350 | nl80211_spurious_frame(bss, tb, 0); | |
3351 | break; | |
3352 | case NL80211_CMD_UNEXPECTED_4ADDR_FRAME: | |
3353 | nl80211_spurious_frame(bss, tb, 1); | |
3354 | break; | |
3355 | default: | |
3356 | wpa_printf(MSG_DEBUG, "nl80211: Ignored unknown event " | |
3357 | "(cmd=%d)", gnlh->cmd); | |
3358 | break; | |
3359 | } | |
3360 | ||
3361 | return NL_SKIP; | |
3362 | } | |
3363 | ||
3364 | ||
3365 | static void wpa_driver_nl80211_event_receive(int sock, void *eloop_ctx, | |
3366 | void *handle) | |
3367 | { | |
3368 | struct nl_cb *cb = eloop_ctx; | |
3369 | int res; | |
3370 | ||
3371 | wpa_printf(MSG_MSGDUMP, "nl80211: Event message available"); | |
3372 | ||
3373 | res = nl_recvmsgs(handle, cb); | |
3374 | if (res < 0) { | |
3375 | wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d", | |
3376 | __func__, res); | |
3377 | } | |
3378 | } | |
3379 | ||
3380 | ||
3381 | /** | |
3382 | * wpa_driver_nl80211_set_country - ask nl80211 to set the regulatory domain | |
3383 | * @priv: driver_nl80211 private data | |
3384 | * @alpha2_arg: country to which to switch to | |
3385 | * Returns: 0 on success, -1 on failure | |
3386 | * | |
3387 | * This asks nl80211 to set the regulatory domain for given | |
3388 | * country ISO / IEC alpha2. | |
3389 | */ | |
3390 | static int wpa_driver_nl80211_set_country(void *priv, const char *alpha2_arg) | |
3391 | { | |
3392 | struct i802_bss *bss = priv; | |
3393 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
3394 | char alpha2[3]; | |
3395 | struct nl_msg *msg; | |
3396 | ||
3397 | msg = nlmsg_alloc(); | |
3398 | if (!msg) | |
3399 | return -ENOMEM; | |
3400 | ||
3401 | alpha2[0] = alpha2_arg[0]; | |
3402 | alpha2[1] = alpha2_arg[1]; | |
3403 | alpha2[2] = '\0'; | |
3404 | ||
3405 | nl80211_cmd(drv, msg, 0, NL80211_CMD_REQ_SET_REG); | |
3406 | ||
3407 | NLA_PUT_STRING(msg, NL80211_ATTR_REG_ALPHA2, alpha2); | |
3408 | if (send_and_recv_msgs(drv, msg, NULL, NULL)) | |
3409 | return -EINVAL; | |
3410 | return 0; | |
3411 | nla_put_failure: | |
3412 | nlmsg_free(msg); | |
3413 | return -EINVAL; | |
3414 | } | |
3415 | ||
3416 | ||
3417 | static int nl80211_get_country(struct nl_msg *msg, void *arg) | |
3418 | { | |
3419 | char *alpha2 = arg; | |
3420 | struct nlattr *tb_msg[NL80211_ATTR_MAX + 1]; | |
3421 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
3422 | ||
3423 | nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
3424 | genlmsg_attrlen(gnlh, 0), NULL); | |
3425 | if (!tb_msg[NL80211_ATTR_REG_ALPHA2]) { | |
3426 | wpa_printf(MSG_DEBUG, "nl80211: No country information available"); | |
3427 | return NL_SKIP; | |
3428 | } | |
3429 | os_strlcpy(alpha2, nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]), 3); | |
3430 | return NL_SKIP; | |
3431 | } | |
3432 | ||
3433 | ||
3434 | static int wpa_driver_nl80211_get_country(void *priv, char *alpha2) | |
3435 | { | |
3436 | struct i802_bss *bss = priv; | |
3437 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
3438 | struct nl_msg *msg; | |
3439 | int ret; | |
3440 | ||
3441 | msg = nlmsg_alloc(); | |
3442 | if (!msg) | |
3443 | return -ENOMEM; | |
3444 | ||
3445 | nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG); | |
3446 | alpha2[0] = '\0'; | |
3447 | ret = send_and_recv_msgs(drv, msg, nl80211_get_country, alpha2); | |
3448 | if (!alpha2[0]) | |
3449 | ret = -1; | |
3450 | ||
3451 | return ret; | |
3452 | } | |
3453 | ||
3454 | ||
3455 | static int protocol_feature_handler(struct nl_msg *msg, void *arg) | |
3456 | { | |
3457 | u32 *feat = arg; | |
3458 | struct nlattr *tb_msg[NL80211_ATTR_MAX + 1]; | |
3459 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
3460 | ||
3461 | nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
3462 | genlmsg_attrlen(gnlh, 0), NULL); | |
3463 | ||
3464 | if (tb_msg[NL80211_ATTR_PROTOCOL_FEATURES]) | |
3465 | *feat = nla_get_u32(tb_msg[NL80211_ATTR_PROTOCOL_FEATURES]); | |
3466 | ||
3467 | return NL_SKIP; | |
3468 | } | |
3469 | ||
3470 | ||
3471 | static u32 get_nl80211_protocol_features(struct wpa_driver_nl80211_data *drv) | |
3472 | { | |
3473 | u32 feat = 0; | |
3474 | struct nl_msg *msg; | |
3475 | ||
3476 | msg = nlmsg_alloc(); | |
3477 | if (!msg) | |
3478 | goto nla_put_failure; | |
3479 | ||
3480 | nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_PROTOCOL_FEATURES); | |
3481 | if (send_and_recv_msgs(drv, msg, protocol_feature_handler, &feat) == 0) | |
3482 | return feat; | |
3483 | ||
3484 | msg = NULL; | |
3485 | nla_put_failure: | |
3486 | nlmsg_free(msg); | |
3487 | return 0; | |
3488 | } | |
3489 | ||
3490 | ||
3491 | struct wiphy_info_data { | |
3492 | struct wpa_driver_nl80211_data *drv; | |
3493 | struct wpa_driver_capa *capa; | |
3494 | ||
3495 | unsigned int num_multichan_concurrent; | |
3496 | ||
3497 | unsigned int error:1; | |
3498 | unsigned int device_ap_sme:1; | |
3499 | unsigned int poll_command_supported:1; | |
3500 | unsigned int data_tx_status:1; | |
3501 | unsigned int monitor_supported:1; | |
3502 | unsigned int auth_supported:1; | |
3503 | unsigned int connect_supported:1; | |
3504 | unsigned int p2p_go_supported:1; | |
3505 | unsigned int p2p_client_supported:1; | |
3506 | unsigned int p2p_concurrent:1; | |
3507 | unsigned int channel_switch_supported:1; | |
3508 | unsigned int set_qos_map_supported:1; | |
3509 | unsigned int have_low_prio_scan:1; | |
3510 | }; | |
3511 | ||
3512 | ||
3513 | static unsigned int probe_resp_offload_support(int supp_protocols) | |
3514 | { | |
3515 | unsigned int prot = 0; | |
3516 | ||
3517 | if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS) | |
3518 | prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS; | |
3519 | if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2) | |
3520 | prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS2; | |
3521 | if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P) | |
3522 | prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_P2P; | |
3523 | if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_80211U) | |
3524 | prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_INTERWORKING; | |
3525 | ||
3526 | return prot; | |
3527 | } | |
3528 | ||
3529 | ||
3530 | static void wiphy_info_supported_iftypes(struct wiphy_info_data *info, | |
3531 | struct nlattr *tb) | |
3532 | { | |
3533 | struct nlattr *nl_mode; | |
3534 | int i; | |
3535 | ||
3536 | if (tb == NULL) | |
3537 | return; | |
3538 | ||
3539 | nla_for_each_nested(nl_mode, tb, i) { | |
3540 | switch (nla_type(nl_mode)) { | |
3541 | case NL80211_IFTYPE_AP: | |
3542 | info->capa->flags |= WPA_DRIVER_FLAGS_AP; | |
3543 | break; | |
3544 | case NL80211_IFTYPE_MESH_POINT: | |
3545 | info->capa->flags |= WPA_DRIVER_FLAGS_MESH; | |
3546 | break; | |
3547 | case NL80211_IFTYPE_ADHOC: | |
3548 | info->capa->flags |= WPA_DRIVER_FLAGS_IBSS; | |
3549 | break; | |
3550 | case NL80211_IFTYPE_P2P_DEVICE: | |
3551 | info->capa->flags |= | |
3552 | WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE; | |
3553 | break; | |
3554 | case NL80211_IFTYPE_P2P_GO: | |
3555 | info->p2p_go_supported = 1; | |
3556 | break; | |
3557 | case NL80211_IFTYPE_P2P_CLIENT: | |
3558 | info->p2p_client_supported = 1; | |
3559 | break; | |
3560 | case NL80211_IFTYPE_MONITOR: | |
3561 | info->monitor_supported = 1; | |
3562 | break; | |
3563 | } | |
3564 | } | |
3565 | } | |
3566 | ||
3567 | ||
3568 | static int wiphy_info_iface_comb_process(struct wiphy_info_data *info, | |
3569 | struct nlattr *nl_combi) | |
3570 | { | |
3571 | struct nlattr *tb_comb[NUM_NL80211_IFACE_COMB]; | |
3572 | struct nlattr *tb_limit[NUM_NL80211_IFACE_LIMIT]; | |
3573 | struct nlattr *nl_limit, *nl_mode; | |
3574 | int err, rem_limit, rem_mode; | |
3575 | int combination_has_p2p = 0, combination_has_mgd = 0; | |
3576 | static struct nla_policy | |
3577 | iface_combination_policy[NUM_NL80211_IFACE_COMB] = { | |
3578 | [NL80211_IFACE_COMB_LIMITS] = { .type = NLA_NESTED }, | |
3579 | [NL80211_IFACE_COMB_MAXNUM] = { .type = NLA_U32 }, | |
3580 | [NL80211_IFACE_COMB_STA_AP_BI_MATCH] = { .type = NLA_FLAG }, | |
3581 | [NL80211_IFACE_COMB_NUM_CHANNELS] = { .type = NLA_U32 }, | |
3582 | [NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS] = { .type = NLA_U32 }, | |
3583 | }, | |
3584 | iface_limit_policy[NUM_NL80211_IFACE_LIMIT] = { | |
3585 | [NL80211_IFACE_LIMIT_TYPES] = { .type = NLA_NESTED }, | |
3586 | [NL80211_IFACE_LIMIT_MAX] = { .type = NLA_U32 }, | |
3587 | }; | |
3588 | ||
3589 | err = nla_parse_nested(tb_comb, MAX_NL80211_IFACE_COMB, | |
3590 | nl_combi, iface_combination_policy); | |
3591 | if (err || !tb_comb[NL80211_IFACE_COMB_LIMITS] || | |
3592 | !tb_comb[NL80211_IFACE_COMB_MAXNUM] || | |
3593 | !tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]) | |
3594 | return 0; /* broken combination */ | |
3595 | ||
3596 | if (tb_comb[NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS]) | |
3597 | info->capa->flags |= WPA_DRIVER_FLAGS_RADAR; | |
3598 | ||
3599 | nla_for_each_nested(nl_limit, tb_comb[NL80211_IFACE_COMB_LIMITS], | |
3600 | rem_limit) { | |
3601 | err = nla_parse_nested(tb_limit, MAX_NL80211_IFACE_LIMIT, | |
3602 | nl_limit, iface_limit_policy); | |
3603 | if (err || !tb_limit[NL80211_IFACE_LIMIT_TYPES]) | |
3604 | return 0; /* broken combination */ | |
3605 | ||
3606 | nla_for_each_nested(nl_mode, | |
3607 | tb_limit[NL80211_IFACE_LIMIT_TYPES], | |
3608 | rem_mode) { | |
3609 | int ift = nla_type(nl_mode); | |
3610 | if (ift == NL80211_IFTYPE_P2P_GO || | |
3611 | ift == NL80211_IFTYPE_P2P_CLIENT) | |
3612 | combination_has_p2p = 1; | |
3613 | if (ift == NL80211_IFTYPE_STATION) | |
3614 | combination_has_mgd = 1; | |
3615 | } | |
3616 | if (combination_has_p2p && combination_has_mgd) | |
3617 | break; | |
3618 | } | |
3619 | ||
3620 | if (combination_has_p2p && combination_has_mgd) { | |
3621 | unsigned int num_channels = | |
3622 | nla_get_u32(tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]); | |
3623 | ||
3624 | info->p2p_concurrent = 1; | |
3625 | if (info->num_multichan_concurrent < num_channels) | |
3626 | info->num_multichan_concurrent = num_channels; | |
3627 | } | |
3628 | ||
3629 | return 0; | |
3630 | } | |
3631 | ||
3632 | ||
3633 | static void wiphy_info_iface_comb(struct wiphy_info_data *info, | |
3634 | struct nlattr *tb) | |
3635 | { | |
3636 | struct nlattr *nl_combi; | |
3637 | int rem_combi; | |
3638 | ||
3639 | if (tb == NULL) | |
3640 | return; | |
3641 | ||
3642 | nla_for_each_nested(nl_combi, tb, rem_combi) { | |
3643 | if (wiphy_info_iface_comb_process(info, nl_combi) > 0) | |
3644 | break; | |
3645 | } | |
3646 | } | |
3647 | ||
3648 | ||
3649 | static void wiphy_info_supp_cmds(struct wiphy_info_data *info, | |
3650 | struct nlattr *tb) | |
3651 | { | |
3652 | struct nlattr *nl_cmd; | |
3653 | int i; | |
3654 | ||
3655 | if (tb == NULL) | |
3656 | return; | |
3657 | ||
3658 | nla_for_each_nested(nl_cmd, tb, i) { | |
3659 | switch (nla_get_u32(nl_cmd)) { | |
3660 | case NL80211_CMD_AUTHENTICATE: | |
3661 | info->auth_supported = 1; | |
3662 | break; | |
3663 | case NL80211_CMD_CONNECT: | |
3664 | info->connect_supported = 1; | |
3665 | break; | |
3666 | case NL80211_CMD_START_SCHED_SCAN: | |
3667 | info->capa->sched_scan_supported = 1; | |
3668 | break; | |
3669 | case NL80211_CMD_PROBE_CLIENT: | |
3670 | info->poll_command_supported = 1; | |
3671 | break; | |
3672 | case NL80211_CMD_CHANNEL_SWITCH: | |
3673 | info->channel_switch_supported = 1; | |
3674 | break; | |
3675 | case NL80211_CMD_SET_QOS_MAP: | |
3676 | info->set_qos_map_supported = 1; | |
3677 | break; | |
3678 | } | |
3679 | } | |
3680 | } | |
3681 | ||
3682 | ||
3683 | static void wiphy_info_cipher_suites(struct wiphy_info_data *info, | |
3684 | struct nlattr *tb) | |
3685 | { | |
3686 | int i, num; | |
3687 | u32 *ciphers; | |
3688 | ||
3689 | if (tb == NULL) | |
3690 | return; | |
3691 | ||
3692 | num = nla_len(tb) / sizeof(u32); | |
3693 | ciphers = nla_data(tb); | |
3694 | for (i = 0; i < num; i++) { | |
3695 | u32 c = ciphers[i]; | |
3696 | ||
3697 | wpa_printf(MSG_DEBUG, "nl80211: Supported cipher %02x-%02x-%02x:%d", | |
3698 | c >> 24, (c >> 16) & 0xff, | |
3699 | (c >> 8) & 0xff, c & 0xff); | |
3700 | switch (c) { | |
3701 | case WLAN_CIPHER_SUITE_CCMP_256: | |
3702 | info->capa->enc |= WPA_DRIVER_CAPA_ENC_CCMP_256; | |
3703 | break; | |
3704 | case WLAN_CIPHER_SUITE_GCMP_256: | |
3705 | info->capa->enc |= WPA_DRIVER_CAPA_ENC_GCMP_256; | |
3706 | break; | |
3707 | case WLAN_CIPHER_SUITE_CCMP: | |
3708 | info->capa->enc |= WPA_DRIVER_CAPA_ENC_CCMP; | |
3709 | break; | |
3710 | case WLAN_CIPHER_SUITE_GCMP: | |
3711 | info->capa->enc |= WPA_DRIVER_CAPA_ENC_GCMP; | |
3712 | break; | |
3713 | case WLAN_CIPHER_SUITE_TKIP: | |
3714 | info->capa->enc |= WPA_DRIVER_CAPA_ENC_TKIP; | |
3715 | break; | |
3716 | case WLAN_CIPHER_SUITE_WEP104: | |
3717 | info->capa->enc |= WPA_DRIVER_CAPA_ENC_WEP104; | |
3718 | break; | |
3719 | case WLAN_CIPHER_SUITE_WEP40: | |
3720 | info->capa->enc |= WPA_DRIVER_CAPA_ENC_WEP40; | |
3721 | break; | |
3722 | case WLAN_CIPHER_SUITE_AES_CMAC: | |
3723 | info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP; | |
3724 | break; | |
3725 | case WLAN_CIPHER_SUITE_BIP_GMAC_128: | |
3726 | info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_GMAC_128; | |
3727 | break; | |
3728 | case WLAN_CIPHER_SUITE_BIP_GMAC_256: | |
3729 | info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_GMAC_256; | |
3730 | break; | |
3731 | case WLAN_CIPHER_SUITE_BIP_CMAC_256: | |
3732 | info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_CMAC_256; | |
3733 | break; | |
3734 | case WLAN_CIPHER_SUITE_NO_GROUP_ADDR: | |
3735 | info->capa->enc |= WPA_DRIVER_CAPA_ENC_GTK_NOT_USED; | |
3736 | break; | |
3737 | } | |
3738 | } | |
3739 | } | |
3740 | ||
3741 | ||
3742 | static void wiphy_info_max_roc(struct wpa_driver_capa *capa, | |
3743 | struct nlattr *tb) | |
3744 | { | |
3745 | if (tb) | |
3746 | capa->max_remain_on_chan = nla_get_u32(tb); | |
3747 | } | |
3748 | ||
3749 | ||
3750 | static void wiphy_info_tdls(struct wpa_driver_capa *capa, struct nlattr *tdls, | |
3751 | struct nlattr *ext_setup) | |
3752 | { | |
3753 | if (tdls == NULL) | |
3754 | return; | |
3755 | ||
3756 | wpa_printf(MSG_DEBUG, "nl80211: TDLS supported"); | |
3757 | capa->flags |= WPA_DRIVER_FLAGS_TDLS_SUPPORT; | |
3758 | ||
3759 | if (ext_setup) { | |
3760 | wpa_printf(MSG_DEBUG, "nl80211: TDLS external setup"); | |
3761 | capa->flags |= WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP; | |
3762 | } | |
3763 | } | |
3764 | ||
3765 | ||
3766 | static void wiphy_info_feature_flags(struct wiphy_info_data *info, | |
3767 | struct nlattr *tb) | |
3768 | { | |
3769 | u32 flags; | |
3770 | struct wpa_driver_capa *capa = info->capa; | |
3771 | ||
3772 | if (tb == NULL) | |
3773 | return; | |
3774 | ||
3775 | flags = nla_get_u32(tb); | |
3776 | ||
3777 | if (flags & NL80211_FEATURE_SK_TX_STATUS) | |
3778 | info->data_tx_status = 1; | |
3779 | ||
3780 | if (flags & NL80211_FEATURE_INACTIVITY_TIMER) | |
3781 | capa->flags |= WPA_DRIVER_FLAGS_INACTIVITY_TIMER; | |
3782 | ||
3783 | if (flags & NL80211_FEATURE_SAE) | |
3784 | capa->flags |= WPA_DRIVER_FLAGS_SAE; | |
3785 | ||
3786 | if (flags & NL80211_FEATURE_NEED_OBSS_SCAN) | |
3787 | capa->flags |= WPA_DRIVER_FLAGS_OBSS_SCAN; | |
3788 | ||
3789 | if (flags & NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE) | |
3790 | capa->flags |= WPA_DRIVER_FLAGS_HT_2040_COEX; | |
3791 | ||
3792 | if (flags & NL80211_FEATURE_LOW_PRIORITY_SCAN) | |
3793 | info->have_low_prio_scan = 1; | |
3794 | } | |
3795 | ||
3796 | ||
3797 | static void wiphy_info_probe_resp_offload(struct wpa_driver_capa *capa, | |
3798 | struct nlattr *tb) | |
3799 | { | |
3800 | u32 protocols; | |
3801 | ||
3802 | if (tb == NULL) | |
3803 | return; | |
3804 | ||
3805 | protocols = nla_get_u32(tb); | |
3806 | wpa_printf(MSG_DEBUG, "nl80211: Supports Probe Response offload in AP " | |
3807 | "mode"); | |
3808 | capa->flags |= WPA_DRIVER_FLAGS_PROBE_RESP_OFFLOAD; | |
3809 | capa->probe_resp_offloads = probe_resp_offload_support(protocols); | |
3810 | } | |
3811 | ||
3812 | ||
3813 | static void wiphy_info_wowlan_triggers(struct wpa_driver_capa *capa, | |
3814 | struct nlattr *tb) | |
3815 | { | |
3816 | struct nlattr *triggers[MAX_NL80211_WOWLAN_TRIG + 1]; | |
3817 | ||
3818 | if (tb == NULL) | |
3819 | return; | |
3820 | ||
3821 | if (nla_parse_nested(triggers, MAX_NL80211_WOWLAN_TRIG, | |
3822 | tb, NULL)) | |
3823 | return; | |
3824 | ||
3825 | if (triggers[NL80211_WOWLAN_TRIG_ANY]) | |
3826 | capa->wowlan_triggers.any = 1; | |
3827 | if (triggers[NL80211_WOWLAN_TRIG_DISCONNECT]) | |
3828 | capa->wowlan_triggers.disconnect = 1; | |
3829 | if (triggers[NL80211_WOWLAN_TRIG_MAGIC_PKT]) | |
3830 | capa->wowlan_triggers.magic_pkt = 1; | |
3831 | if (triggers[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) | |
3832 | capa->wowlan_triggers.gtk_rekey_failure = 1; | |
3833 | if (triggers[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) | |
3834 | capa->wowlan_triggers.eap_identity_req = 1; | |
3835 | if (triggers[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) | |
3836 | capa->wowlan_triggers.four_way_handshake = 1; | |
3837 | if (triggers[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) | |
3838 | capa->wowlan_triggers.rfkill_release = 1; | |
3839 | } | |
3840 | ||
3841 | ||
3842 | static int wiphy_info_handler(struct nl_msg *msg, void *arg) | |
3843 | { | |
3844 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
3845 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
3846 | struct wiphy_info_data *info = arg; | |
3847 | struct wpa_driver_capa *capa = info->capa; | |
3848 | struct wpa_driver_nl80211_data *drv = info->drv; | |
3849 | ||
3850 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
3851 | genlmsg_attrlen(gnlh, 0), NULL); | |
3852 | ||
3853 | if (tb[NL80211_ATTR_WIPHY_NAME]) | |
3854 | os_strlcpy(drv->phyname, | |
3855 | nla_get_string(tb[NL80211_ATTR_WIPHY_NAME]), | |
3856 | sizeof(drv->phyname)); | |
3857 | if (tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]) | |
3858 | capa->max_scan_ssids = | |
3859 | nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]); | |
3860 | ||
3861 | if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS]) | |
3862 | capa->max_sched_scan_ssids = | |
3863 | nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS]); | |
3864 | ||
3865 | if (tb[NL80211_ATTR_MAX_MATCH_SETS]) | |
3866 | capa->max_match_sets = | |
3867 | nla_get_u8(tb[NL80211_ATTR_MAX_MATCH_SETS]); | |
3868 | ||
3869 | if (tb[NL80211_ATTR_MAC_ACL_MAX]) | |
3870 | capa->max_acl_mac_addrs = | |
3871 | nla_get_u8(tb[NL80211_ATTR_MAC_ACL_MAX]); | |
3872 | ||
3873 | wiphy_info_supported_iftypes(info, tb[NL80211_ATTR_SUPPORTED_IFTYPES]); | |
3874 | wiphy_info_iface_comb(info, tb[NL80211_ATTR_INTERFACE_COMBINATIONS]); | |
3875 | wiphy_info_supp_cmds(info, tb[NL80211_ATTR_SUPPORTED_COMMANDS]); | |
3876 | wiphy_info_cipher_suites(info, tb[NL80211_ATTR_CIPHER_SUITES]); | |
3877 | ||
3878 | if (tb[NL80211_ATTR_OFFCHANNEL_TX_OK]) { | |
3879 | wpa_printf(MSG_DEBUG, "nl80211: Using driver-based " | |
3880 | "off-channel TX"); | |
3881 | capa->flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_TX; | |
3882 | } | |
3883 | ||
3884 | if (tb[NL80211_ATTR_ROAM_SUPPORT]) { | |
3885 | wpa_printf(MSG_DEBUG, "nl80211: Using driver-based roaming"); | |
3886 | capa->flags |= WPA_DRIVER_FLAGS_BSS_SELECTION; | |
3887 | } | |
3888 | ||
3889 | wiphy_info_max_roc(capa, | |
3890 | tb[NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION]); | |
3891 | ||
3892 | if (tb[NL80211_ATTR_SUPPORT_AP_UAPSD]) | |
3893 | capa->flags |= WPA_DRIVER_FLAGS_AP_UAPSD; | |
3894 | ||
3895 | wiphy_info_tdls(capa, tb[NL80211_ATTR_TDLS_SUPPORT], | |
3896 | tb[NL80211_ATTR_TDLS_EXTERNAL_SETUP]); | |
3897 | ||
3898 | if (tb[NL80211_ATTR_DEVICE_AP_SME]) | |
3899 | info->device_ap_sme = 1; | |
3900 | ||
3901 | wiphy_info_feature_flags(info, tb[NL80211_ATTR_FEATURE_FLAGS]); | |
3902 | wiphy_info_probe_resp_offload(capa, | |
3903 | tb[NL80211_ATTR_PROBE_RESP_OFFLOAD]); | |
3904 | ||
3905 | if (tb[NL80211_ATTR_EXT_CAPA] && tb[NL80211_ATTR_EXT_CAPA_MASK] && | |
3906 | drv->extended_capa == NULL) { | |
3907 | drv->extended_capa = | |
3908 | os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA])); | |
3909 | if (drv->extended_capa) { | |
3910 | os_memcpy(drv->extended_capa, | |
3911 | nla_data(tb[NL80211_ATTR_EXT_CAPA]), | |
3912 | nla_len(tb[NL80211_ATTR_EXT_CAPA])); | |
3913 | drv->extended_capa_len = | |
3914 | nla_len(tb[NL80211_ATTR_EXT_CAPA]); | |
3915 | } | |
3916 | drv->extended_capa_mask = | |
3917 | os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA])); | |
3918 | if (drv->extended_capa_mask) { | |
3919 | os_memcpy(drv->extended_capa_mask, | |
3920 | nla_data(tb[NL80211_ATTR_EXT_CAPA]), | |
3921 | nla_len(tb[NL80211_ATTR_EXT_CAPA])); | |
3922 | } else { | |
3923 | os_free(drv->extended_capa); | |
3924 | drv->extended_capa = NULL; | |
3925 | drv->extended_capa_len = 0; | |
3926 | } | |
3927 | } | |
3928 | ||
3929 | if (tb[NL80211_ATTR_VENDOR_DATA]) { | |
3930 | struct nlattr *nl; | |
3931 | int rem; | |
3932 | ||
3933 | nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_DATA], rem) { | |
3934 | struct nl80211_vendor_cmd_info *vinfo; | |
3935 | if (nla_len(nl) != sizeof(*vinfo)) { | |
3936 | wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info"); | |
3937 | continue; | |
3938 | } | |
3939 | vinfo = nla_data(nl); | |
3940 | switch (vinfo->subcmd) { | |
3941 | case QCA_NL80211_VENDOR_SUBCMD_ROAMING: | |
3942 | drv->roaming_vendor_cmd_avail = 1; | |
3943 | break; | |
3944 | case QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY: | |
3945 | drv->dfs_vendor_cmd_avail = 1; | |
3946 | break; | |
3947 | } | |
3948 | ||
3949 | wpa_printf(MSG_DEBUG, "nl80211: Supported vendor command: vendor_id=0x%x subcmd=%u", | |
3950 | vinfo->vendor_id, vinfo->subcmd); | |
3951 | } | |
3952 | } | |
3953 | ||
3954 | if (tb[NL80211_ATTR_VENDOR_EVENTS]) { | |
3955 | struct nlattr *nl; | |
3956 | int rem; | |
3957 | ||
3958 | nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_EVENTS], rem) { | |
3959 | struct nl80211_vendor_cmd_info *vinfo; | |
3960 | if (nla_len(nl) != sizeof(*vinfo)) { | |
3961 | wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info"); | |
3962 | continue; | |
3963 | } | |
3964 | vinfo = nla_data(nl); | |
3965 | wpa_printf(MSG_DEBUG, "nl80211: Supported vendor event: vendor_id=0x%x subcmd=%u", | |
3966 | vinfo->vendor_id, vinfo->subcmd); | |
3967 | } | |
3968 | } | |
3969 | ||
3970 | wiphy_info_wowlan_triggers(capa, | |
3971 | tb[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED]); | |
3972 | ||
3973 | if (tb[NL80211_ATTR_MAX_AP_ASSOC_STA]) | |
3974 | capa->max_stations = | |
3975 | nla_get_u32(tb[NL80211_ATTR_MAX_AP_ASSOC_STA]); | |
3976 | ||
3977 | return NL_SKIP; | |
3978 | } | |
3979 | ||
3980 | ||
3981 | static int wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data *drv, | |
3982 | struct wiphy_info_data *info) | |
3983 | { | |
3984 | u32 feat; | |
3985 | struct nl_msg *msg; | |
3986 | ||
3987 | os_memset(info, 0, sizeof(*info)); | |
3988 | info->capa = &drv->capa; | |
3989 | info->drv = drv; | |
3990 | ||
3991 | msg = nlmsg_alloc(); | |
3992 | if (!msg) | |
3993 | return -1; | |
3994 | ||
3995 | feat = get_nl80211_protocol_features(drv); | |
3996 | if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP) | |
3997 | nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_WIPHY); | |
3998 | else | |
3999 | nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_WIPHY); | |
4000 | ||
4001 | NLA_PUT_FLAG(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP); | |
4002 | if (nl80211_set_iface_id(msg, drv->first_bss) < 0) | |
4003 | goto nla_put_failure; | |
4004 | ||
4005 | if (send_and_recv_msgs(drv, msg, wiphy_info_handler, info)) | |
4006 | return -1; | |
4007 | ||
4008 | if (info->auth_supported) | |
4009 | drv->capa.flags |= WPA_DRIVER_FLAGS_SME; | |
4010 | else if (!info->connect_supported) { | |
4011 | wpa_printf(MSG_INFO, "nl80211: Driver does not support " | |
4012 | "authentication/association or connect commands"); | |
4013 | info->error = 1; | |
4014 | } | |
4015 | ||
4016 | if (info->p2p_go_supported && info->p2p_client_supported) | |
4017 | drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CAPABLE; | |
4018 | if (info->p2p_concurrent) { | |
4019 | wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group " | |
4020 | "interface (driver advertised support)"); | |
4021 | drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT; | |
4022 | drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P; | |
4023 | } | |
4024 | if (info->num_multichan_concurrent > 1) { | |
4025 | wpa_printf(MSG_DEBUG, "nl80211: Enable multi-channel " | |
4026 | "concurrent (driver advertised support)"); | |
4027 | drv->capa.num_multichan_concurrent = | |
4028 | info->num_multichan_concurrent; | |
4029 | } | |
4030 | ||
4031 | /* default to 5000 since early versions of mac80211 don't set it */ | |
4032 | if (!drv->capa.max_remain_on_chan) | |
4033 | drv->capa.max_remain_on_chan = 5000; | |
4034 | ||
4035 | if (info->channel_switch_supported) | |
4036 | drv->capa.flags |= WPA_DRIVER_FLAGS_AP_CSA; | |
4037 | ||
4038 | return 0; | |
4039 | nla_put_failure: | |
4040 | nlmsg_free(msg); | |
4041 | return -1; | |
4042 | } | |
4043 | ||
4044 | ||
4045 | static int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv) | |
4046 | { | |
4047 | struct wiphy_info_data info; | |
4048 | if (wpa_driver_nl80211_get_info(drv, &info)) | |
4049 | return -1; | |
4050 | ||
4051 | if (info.error) | |
4052 | return -1; | |
4053 | ||
4054 | drv->has_capability = 1; | |
4055 | drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA | | |
4056 | WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK | | |
4057 | WPA_DRIVER_CAPA_KEY_MGMT_WPA2 | | |
4058 | WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK; | |
4059 | drv->capa.auth = WPA_DRIVER_AUTH_OPEN | | |
4060 | WPA_DRIVER_AUTH_SHARED | | |
4061 | WPA_DRIVER_AUTH_LEAP; | |
4062 | ||
4063 | drv->capa.flags |= WPA_DRIVER_FLAGS_SANE_ERROR_CODES; | |
4064 | drv->capa.flags |= WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE; | |
4065 | drv->capa.flags |= WPA_DRIVER_FLAGS_EAPOL_TX_STATUS; | |
4066 | ||
4067 | /* | |
4068 | * As all cfg80211 drivers must support cases where the AP interface is | |
4069 | * removed without the knowledge of wpa_supplicant/hostapd, e.g., in | |
4070 | * case that the user space daemon has crashed, they must be able to | |
4071 | * cleanup all stations and key entries in the AP tear down flow. Thus, | |
4072 | * this flag can/should always be set for cfg80211 drivers. | |
4073 | */ | |
4074 | drv->capa.flags |= WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT; | |
4075 | ||
4076 | if (!info.device_ap_sme) { | |
4077 | drv->capa.flags |= WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS; | |
4078 | ||
4079 | /* | |
4080 | * No AP SME is currently assumed to also indicate no AP MLME | |
4081 | * in the driver/firmware. | |
4082 | */ | |
4083 | drv->capa.flags |= WPA_DRIVER_FLAGS_AP_MLME; | |
4084 | } | |
4085 | ||
4086 | drv->device_ap_sme = info.device_ap_sme; | |
4087 | drv->poll_command_supported = info.poll_command_supported; | |
4088 | drv->data_tx_status = info.data_tx_status; | |
4089 | if (info.set_qos_map_supported) | |
4090 | drv->capa.flags |= WPA_DRIVER_FLAGS_QOS_MAPPING; | |
4091 | drv->have_low_prio_scan = info.have_low_prio_scan; | |
4092 | ||
4093 | /* | |
4094 | * If poll command and tx status are supported, mac80211 is new enough | |
4095 | * to have everything we need to not need monitor interfaces. | |
4096 | */ | |
4097 | drv->use_monitor = !info.poll_command_supported || !info.data_tx_status; | |
4098 | ||
4099 | if (drv->device_ap_sme && drv->use_monitor) { | |
4100 | /* | |
4101 | * Non-mac80211 drivers may not support monitor interface. | |
4102 | * Make sure we do not get stuck with incorrect capability here | |
4103 | * by explicitly testing this. | |
4104 | */ | |
4105 | if (!info.monitor_supported) { | |
4106 | wpa_printf(MSG_DEBUG, "nl80211: Disable use_monitor " | |
4107 | "with device_ap_sme since no monitor mode " | |
4108 | "support detected"); | |
4109 | drv->use_monitor = 0; | |
4110 | } | |
4111 | } | |
4112 | ||
4113 | /* | |
4114 | * If we aren't going to use monitor interfaces, but the | |
4115 | * driver doesn't support data TX status, we won't get TX | |
4116 | * status for EAPOL frames. | |
4117 | */ | |
4118 | if (!drv->use_monitor && !info.data_tx_status) | |
4119 | drv->capa.flags &= ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS; | |
4120 | ||
4121 | return 0; | |
4122 | } | |
4123 | ||
4124 | ||
4125 | #ifdef ANDROID | |
4126 | static int android_genl_ctrl_resolve(struct nl_handle *handle, | |
4127 | const char *name) | |
4128 | { | |
4129 | /* | |
4130 | * Android ICS has very minimal genl_ctrl_resolve() implementation, so | |
4131 | * need to work around that. | |
4132 | */ | |
4133 | struct nl_cache *cache = NULL; | |
4134 | struct genl_family *nl80211 = NULL; | |
4135 | int id = -1; | |
4136 | ||
4137 | if (genl_ctrl_alloc_cache(handle, &cache) < 0) { | |
4138 | wpa_printf(MSG_ERROR, "nl80211: Failed to allocate generic " | |
4139 | "netlink cache"); | |
4140 | goto fail; | |
4141 | } | |
4142 | ||
4143 | nl80211 = genl_ctrl_search_by_name(cache, name); | |
4144 | if (nl80211 == NULL) | |
4145 | goto fail; | |
4146 | ||
4147 | id = genl_family_get_id(nl80211); | |
4148 | ||
4149 | fail: | |
4150 | if (nl80211) | |
4151 | genl_family_put(nl80211); | |
4152 | if (cache) | |
4153 | nl_cache_free(cache); | |
4154 | ||
4155 | return id; | |
4156 | } | |
4157 | #define genl_ctrl_resolve android_genl_ctrl_resolve | |
4158 | #endif /* ANDROID */ | |
4159 | ||
4160 | ||
4161 | static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global) | |
4162 | { | |
4163 | int ret; | |
4164 | ||
4165 | global->nl_cb = nl_cb_alloc(NL_CB_DEFAULT); | |
4166 | if (global->nl_cb == NULL) { | |
4167 | wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink " | |
4168 | "callbacks"); | |
4169 | return -1; | |
4170 | } | |
4171 | ||
4172 | global->nl = nl_create_handle(global->nl_cb, "nl"); | |
4173 | if (global->nl == NULL) | |
4174 | goto err; | |
4175 | ||
4176 | global->nl80211_id = genl_ctrl_resolve(global->nl, "nl80211"); | |
4177 | if (global->nl80211_id < 0) { | |
4178 | wpa_printf(MSG_ERROR, "nl80211: 'nl80211' generic netlink not " | |
4179 | "found"); | |
4180 | goto err; | |
4181 | } | |
4182 | ||
4183 | global->nl_event = nl_create_handle(global->nl_cb, "event"); | |
4184 | if (global->nl_event == NULL) | |
4185 | goto err; | |
4186 | ||
4187 | ret = nl_get_multicast_id(global, "nl80211", "scan"); | |
4188 | if (ret >= 0) | |
4189 | ret = nl_socket_add_membership(global->nl_event, ret); | |
4190 | if (ret < 0) { | |
4191 | wpa_printf(MSG_ERROR, "nl80211: Could not add multicast " | |
4192 | "membership for scan events: %d (%s)", | |
4193 | ret, strerror(-ret)); | |
4194 | goto err; | |
4195 | } | |
4196 | ||
4197 | ret = nl_get_multicast_id(global, "nl80211", "mlme"); | |
4198 | if (ret >= 0) | |
4199 | ret = nl_socket_add_membership(global->nl_event, ret); | |
4200 | if (ret < 0) { | |
4201 | wpa_printf(MSG_ERROR, "nl80211: Could not add multicast " | |
4202 | "membership for mlme events: %d (%s)", | |
4203 | ret, strerror(-ret)); | |
4204 | goto err; | |
4205 | } | |
4206 | ||
4207 | ret = nl_get_multicast_id(global, "nl80211", "regulatory"); | |
4208 | if (ret >= 0) | |
4209 | ret = nl_socket_add_membership(global->nl_event, ret); | |
4210 | if (ret < 0) { | |
4211 | wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast " | |
4212 | "membership for regulatory events: %d (%s)", | |
4213 | ret, strerror(-ret)); | |
4214 | /* Continue without regulatory events */ | |
4215 | } | |
4216 | ||
4217 | ret = nl_get_multicast_id(global, "nl80211", "vendor"); | |
4218 | if (ret >= 0) | |
4219 | ret = nl_socket_add_membership(global->nl_event, ret); | |
4220 | if (ret < 0) { | |
4221 | wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast " | |
4222 | "membership for vendor events: %d (%s)", | |
4223 | ret, strerror(-ret)); | |
4224 | /* Continue without vendor events */ | |
4225 | } | |
4226 | ||
4227 | nl_cb_set(global->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, | |
4228 | no_seq_check, NULL); | |
4229 | nl_cb_set(global->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, | |
4230 | process_global_event, global); | |
4231 | ||
4232 | nl80211_register_eloop_read(&global->nl_event, | |
4233 | wpa_driver_nl80211_event_receive, | |
4234 | global->nl_cb); | |
4235 | ||
4236 | return 0; | |
4237 | ||
4238 | err: | |
4239 | nl_destroy_handles(&global->nl_event); | |
4240 | nl_destroy_handles(&global->nl); | |
4241 | nl_cb_put(global->nl_cb); | |
4242 | global->nl_cb = NULL; | |
4243 | return -1; | |
4244 | } | |
4245 | ||
4246 | ||
4247 | static int wpa_driver_nl80211_init_nl(struct wpa_driver_nl80211_data *drv) | |
4248 | { | |
4249 | drv->nl_cb = nl_cb_alloc(NL_CB_DEFAULT); | |
4250 | if (!drv->nl_cb) { | |
4251 | wpa_printf(MSG_ERROR, "nl80211: Failed to alloc cb struct"); | |
4252 | return -1; | |
4253 | } | |
4254 | ||
4255 | nl_cb_set(drv->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, | |
4256 | no_seq_check, NULL); | |
4257 | nl_cb_set(drv->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, | |
4258 | process_drv_event, drv); | |
4259 | ||
4260 | return 0; | |
4261 | } | |
4262 | ||
4263 | ||
4264 | static void wpa_driver_nl80211_rfkill_blocked(void *ctx) | |
4265 | { | |
4266 | wpa_printf(MSG_DEBUG, "nl80211: RFKILL blocked"); | |
4267 | /* | |
4268 | * This may be for any interface; use ifdown event to disable | |
4269 | * interface. | |
4270 | */ | |
4271 | } | |
4272 | ||
4273 | ||
4274 | static void wpa_driver_nl80211_rfkill_unblocked(void *ctx) | |
4275 | { | |
4276 | struct wpa_driver_nl80211_data *drv = ctx; | |
4277 | wpa_printf(MSG_DEBUG, "nl80211: RFKILL unblocked"); | |
4278 | if (i802_set_iface_flags(drv->first_bss, 1)) { | |
4279 | wpa_printf(MSG_DEBUG, "nl80211: Could not set interface UP " | |
4280 | "after rfkill unblock"); | |
4281 | return; | |
4282 | } | |
4283 | /* rtnetlink ifup handler will report interface as enabled */ | |
4284 | } | |
4285 | ||
4286 | ||
4287 | static void wpa_driver_nl80211_handle_eapol_tx_status(int sock, | |
4288 | void *eloop_ctx, | |
4289 | void *handle) | |
4290 | { | |
4291 | struct wpa_driver_nl80211_data *drv = eloop_ctx; | |
4292 | u8 data[2048]; | |
4293 | struct msghdr msg; | |
4294 | struct iovec entry; | |
4295 | u8 control[512]; | |
4296 | struct cmsghdr *cmsg; | |
4297 | int res, found_ee = 0, found_wifi = 0, acked = 0; | |
4298 | union wpa_event_data event; | |
4299 | ||
4300 | memset(&msg, 0, sizeof(msg)); | |
4301 | msg.msg_iov = &entry; | |
4302 | msg.msg_iovlen = 1; | |
4303 | entry.iov_base = data; | |
4304 | entry.iov_len = sizeof(data); | |
4305 | msg.msg_control = &control; | |
4306 | msg.msg_controllen = sizeof(control); | |
4307 | ||
4308 | res = recvmsg(sock, &msg, MSG_ERRQUEUE); | |
4309 | /* if error or not fitting 802.3 header, return */ | |
4310 | if (res < 14) | |
4311 | return; | |
4312 | ||
4313 | for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg)) | |
4314 | { | |
4315 | if (cmsg->cmsg_level == SOL_SOCKET && | |
4316 | cmsg->cmsg_type == SCM_WIFI_STATUS) { | |
4317 | int *ack; | |
4318 | ||
4319 | found_wifi = 1; | |
4320 | ack = (void *)CMSG_DATA(cmsg); | |
4321 | acked = *ack; | |
4322 | } | |
4323 | ||
4324 | if (cmsg->cmsg_level == SOL_PACKET && | |
4325 | cmsg->cmsg_type == PACKET_TX_TIMESTAMP) { | |
4326 | struct sock_extended_err *err = | |
4327 | (struct sock_extended_err *)CMSG_DATA(cmsg); | |
4328 | ||
4329 | if (err->ee_origin == SO_EE_ORIGIN_TXSTATUS) | |
4330 | found_ee = 1; | |
4331 | } | |
4332 | } | |
4333 | ||
4334 | if (!found_ee || !found_wifi) | |
4335 | return; | |
4336 | ||
4337 | memset(&event, 0, sizeof(event)); | |
4338 | event.eapol_tx_status.dst = data; | |
4339 | event.eapol_tx_status.data = data + 14; | |
4340 | event.eapol_tx_status.data_len = res - 14; | |
4341 | event.eapol_tx_status.ack = acked; | |
4342 | wpa_supplicant_event(drv->ctx, EVENT_EAPOL_TX_STATUS, &event); | |
4343 | } | |
4344 | ||
4345 | ||
4346 | static int nl80211_init_bss(struct i802_bss *bss) | |
4347 | { | |
4348 | bss->nl_cb = nl_cb_alloc(NL_CB_DEFAULT); | |
4349 | if (!bss->nl_cb) | |
4350 | return -1; | |
4351 | ||
4352 | nl_cb_set(bss->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, | |
4353 | no_seq_check, NULL); | |
4354 | nl_cb_set(bss->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, | |
4355 | process_bss_event, bss); | |
4356 | ||
4357 | return 0; | |
4358 | } | |
4359 | ||
4360 | ||
4361 | static void nl80211_destroy_bss(struct i802_bss *bss) | |
4362 | { | |
4363 | nl_cb_put(bss->nl_cb); | |
4364 | bss->nl_cb = NULL; | |
4365 | } | |
4366 | ||
4367 | ||
4368 | static void * wpa_driver_nl80211_drv_init(void *ctx, const char *ifname, | |
4369 | void *global_priv, int hostapd, | |
4370 | const u8 *set_addr) | |
4371 | { | |
4372 | struct wpa_driver_nl80211_data *drv; | |
4373 | struct rfkill_config *rcfg; | |
4374 | struct i802_bss *bss; | |
4375 | ||
4376 | if (global_priv == NULL) | |
4377 | return NULL; | |
4378 | drv = os_zalloc(sizeof(*drv)); | |
4379 | if (drv == NULL) | |
4380 | return NULL; | |
4381 | drv->global = global_priv; | |
4382 | drv->ctx = ctx; | |
4383 | drv->hostapd = !!hostapd; | |
4384 | drv->eapol_sock = -1; | |
4385 | drv->num_if_indices = sizeof(drv->default_if_indices) / sizeof(int); | |
4386 | drv->if_indices = drv->default_if_indices; | |
4387 | ||
4388 | drv->first_bss = os_zalloc(sizeof(*drv->first_bss)); | |
4389 | if (!drv->first_bss) { | |
4390 | os_free(drv); | |
4391 | return NULL; | |
4392 | } | |
4393 | bss = drv->first_bss; | |
4394 | bss->drv = drv; | |
4395 | bss->ctx = ctx; | |
4396 | ||
4397 | os_strlcpy(bss->ifname, ifname, sizeof(bss->ifname)); | |
4398 | drv->monitor_ifidx = -1; | |
4399 | drv->monitor_sock = -1; | |
4400 | drv->eapol_tx_sock = -1; | |
4401 | drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED; | |
4402 | ||
4403 | if (wpa_driver_nl80211_init_nl(drv)) { | |
4404 | os_free(drv); | |
4405 | return NULL; | |
4406 | } | |
4407 | ||
4408 | if (nl80211_init_bss(bss)) | |
4409 | goto failed; | |
4410 | ||
4411 | rcfg = os_zalloc(sizeof(*rcfg)); | |
4412 | if (rcfg == NULL) | |
4413 | goto failed; | |
4414 | rcfg->ctx = drv; | |
4415 | os_strlcpy(rcfg->ifname, ifname, sizeof(rcfg->ifname)); | |
4416 | rcfg->blocked_cb = wpa_driver_nl80211_rfkill_blocked; | |
4417 | rcfg->unblocked_cb = wpa_driver_nl80211_rfkill_unblocked; | |
4418 | drv->rfkill = rfkill_init(rcfg); | |
4419 | if (drv->rfkill == NULL) { | |
4420 | wpa_printf(MSG_DEBUG, "nl80211: RFKILL status not available"); | |
4421 | os_free(rcfg); | |
4422 | } | |
4423 | ||
4424 | if (linux_iface_up(drv->global->ioctl_sock, ifname) > 0) | |
4425 | drv->start_iface_up = 1; | |
4426 | ||
4427 | if (wpa_driver_nl80211_finish_drv_init(drv, set_addr, 1)) | |
4428 | goto failed; | |
4429 | ||
4430 | drv->eapol_tx_sock = socket(PF_PACKET, SOCK_DGRAM, 0); | |
4431 | if (drv->eapol_tx_sock < 0) | |
4432 | goto failed; | |
4433 | ||
4434 | if (drv->data_tx_status) { | |
4435 | int enabled = 1; | |
4436 | ||
4437 | if (setsockopt(drv->eapol_tx_sock, SOL_SOCKET, SO_WIFI_STATUS, | |
4438 | &enabled, sizeof(enabled)) < 0) { | |
4439 | wpa_printf(MSG_DEBUG, | |
4440 | "nl80211: wifi status sockopt failed\n"); | |
4441 | drv->data_tx_status = 0; | |
4442 | if (!drv->use_monitor) | |
4443 | drv->capa.flags &= | |
4444 | ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS; | |
4445 | } else { | |
4446 | eloop_register_read_sock(drv->eapol_tx_sock, | |
4447 | wpa_driver_nl80211_handle_eapol_tx_status, | |
4448 | drv, NULL); | |
4449 | } | |
4450 | } | |
4451 | ||
4452 | if (drv->global) { | |
4453 | dl_list_add(&drv->global->interfaces, &drv->list); | |
4454 | drv->in_interface_list = 1; | |
4455 | } | |
4456 | ||
4457 | return bss; | |
4458 | ||
4459 | failed: | |
4460 | wpa_driver_nl80211_deinit(bss); | |
4461 | return NULL; | |
4462 | } | |
4463 | ||
4464 | ||
4465 | /** | |
4466 | * wpa_driver_nl80211_init - Initialize nl80211 driver interface | |
4467 | * @ctx: context to be used when calling wpa_supplicant functions, | |
4468 | * e.g., wpa_supplicant_event() | |
4469 | * @ifname: interface name, e.g., wlan0 | |
4470 | * @global_priv: private driver global data from global_init() | |
4471 | * Returns: Pointer to private data, %NULL on failure | |
4472 | */ | |
4473 | static void * wpa_driver_nl80211_init(void *ctx, const char *ifname, | |
4474 | void *global_priv) | |
4475 | { | |
4476 | return wpa_driver_nl80211_drv_init(ctx, ifname, global_priv, 0, NULL); | |
4477 | } | |
4478 | ||
4479 | ||
4480 | static int nl80211_register_frame(struct i802_bss *bss, | |
4481 | struct nl_handle *nl_handle, | |
4482 | u16 type, const u8 *match, size_t match_len) | |
4483 | { | |
4484 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
4485 | struct nl_msg *msg; | |
4486 | int ret = -1; | |
4487 | char buf[30]; | |
4488 | ||
4489 | msg = nlmsg_alloc(); | |
4490 | if (!msg) | |
4491 | return -1; | |
4492 | ||
4493 | buf[0] = '\0'; | |
4494 | wpa_snprintf_hex(buf, sizeof(buf), match, match_len); | |
4495 | wpa_printf(MSG_DEBUG, "nl80211: Register frame type=0x%x (%s) nl_handle=%p match=%s", | |
4496 | type, fc2str(type), nl_handle, buf); | |
4497 | ||
4498 | nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_ACTION); | |
4499 | ||
4500 | if (nl80211_set_iface_id(msg, bss) < 0) | |
4501 | goto nla_put_failure; | |
4502 | ||
4503 | NLA_PUT_U16(msg, NL80211_ATTR_FRAME_TYPE, type); | |
4504 | NLA_PUT(msg, NL80211_ATTR_FRAME_MATCH, match_len, match); | |
4505 | ||
4506 | ret = send_and_recv(drv->global, nl_handle, msg, NULL, NULL); | |
4507 | msg = NULL; | |
4508 | if (ret) { | |
4509 | wpa_printf(MSG_DEBUG, "nl80211: Register frame command " | |
4510 | "failed (type=%u): ret=%d (%s)", | |
4511 | type, ret, strerror(-ret)); | |
4512 | wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match", | |
4513 | match, match_len); | |
4514 | goto nla_put_failure; | |
4515 | } | |
4516 | ret = 0; | |
4517 | nla_put_failure: | |
4518 | nlmsg_free(msg); | |
4519 | return ret; | |
4520 | } | |
4521 | ||
4522 | ||
4523 | static int nl80211_alloc_mgmt_handle(struct i802_bss *bss) | |
4524 | { | |
4525 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
4526 | ||
4527 | if (bss->nl_mgmt) { | |
4528 | wpa_printf(MSG_DEBUG, "nl80211: Mgmt reporting " | |
4529 | "already on! (nl_mgmt=%p)", bss->nl_mgmt); | |
4530 | return -1; | |
4531 | } | |
4532 | ||
4533 | bss->nl_mgmt = nl_create_handle(drv->nl_cb, "mgmt"); | |
4534 | if (bss->nl_mgmt == NULL) | |
4535 | return -1; | |
4536 | ||
4537 | return 0; | |
4538 | } | |
4539 | ||
4540 | ||
4541 | static void nl80211_mgmt_handle_register_eloop(struct i802_bss *bss) | |
4542 | { | |
4543 | nl80211_register_eloop_read(&bss->nl_mgmt, | |
4544 | wpa_driver_nl80211_event_receive, | |
4545 | bss->nl_cb); | |
4546 | } | |
4547 | ||
4548 | ||
4549 | static int nl80211_register_action_frame(struct i802_bss *bss, | |
4550 | const u8 *match, size_t match_len) | |
4551 | { | |
4552 | u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4); | |
4553 | return nl80211_register_frame(bss, bss->nl_mgmt, | |
4554 | type, match, match_len); | |
4555 | } | |
4556 | ||
4557 | ||
4558 | static int nl80211_mgmt_subscribe_non_ap(struct i802_bss *bss) | |
4559 | { | |
4560 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
4561 | int ret = 0; | |
4562 | ||
4563 | if (nl80211_alloc_mgmt_handle(bss)) | |
4564 | return -1; | |
4565 | wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with non-AP " | |
4566 | "handle %p", bss->nl_mgmt); | |
4567 | ||
4568 | if (drv->nlmode == NL80211_IFTYPE_ADHOC) { | |
4569 | u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4); | |
4570 | ||
4571 | /* register for any AUTH message */ | |
4572 | nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0); | |
4573 | } | |
4574 | ||
4575 | #ifdef CONFIG_INTERWORKING | |
4576 | /* QoS Map Configure */ | |
4577 | if (nl80211_register_action_frame(bss, (u8 *) "\x01\x04", 2) < 0) | |
4578 | ret = -1; | |
4579 | #endif /* CONFIG_INTERWORKING */ | |
4580 | #if defined(CONFIG_P2P) || defined(CONFIG_INTERWORKING) | |
4581 | /* GAS Initial Request */ | |
4582 | if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0a", 2) < 0) | |
4583 | ret = -1; | |
4584 | /* GAS Initial Response */ | |
4585 | if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0b", 2) < 0) | |
4586 | ret = -1; | |
4587 | /* GAS Comeback Request */ | |
4588 | if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0c", 2) < 0) | |
4589 | ret = -1; | |
4590 | /* GAS Comeback Response */ | |
4591 | if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0d", 2) < 0) | |
4592 | ret = -1; | |
4593 | /* Protected GAS Initial Request */ | |
4594 | if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0a", 2) < 0) | |
4595 | ret = -1; | |
4596 | /* Protected GAS Initial Response */ | |
4597 | if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0b", 2) < 0) | |
4598 | ret = -1; | |
4599 | /* Protected GAS Comeback Request */ | |
4600 | if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0c", 2) < 0) | |
4601 | ret = -1; | |
4602 | /* Protected GAS Comeback Response */ | |
4603 | if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0d", 2) < 0) | |
4604 | ret = -1; | |
4605 | #endif /* CONFIG_P2P || CONFIG_INTERWORKING */ | |
4606 | #ifdef CONFIG_P2P | |
4607 | /* P2P Public Action */ | |
4608 | if (nl80211_register_action_frame(bss, | |
4609 | (u8 *) "\x04\x09\x50\x6f\x9a\x09", | |
4610 | 6) < 0) | |
4611 | ret = -1; | |
4612 | /* P2P Action */ | |
4613 | if (nl80211_register_action_frame(bss, | |
4614 | (u8 *) "\x7f\x50\x6f\x9a\x09", | |
4615 | 5) < 0) | |
4616 | ret = -1; | |
4617 | #endif /* CONFIG_P2P */ | |
4618 | #ifdef CONFIG_IEEE80211W | |
4619 | /* SA Query Response */ | |
4620 | if (nl80211_register_action_frame(bss, (u8 *) "\x08\x01", 2) < 0) | |
4621 | ret = -1; | |
4622 | #endif /* CONFIG_IEEE80211W */ | |
4623 | #ifdef CONFIG_TDLS | |
4624 | if ((drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) { | |
4625 | /* TDLS Discovery Response */ | |
4626 | if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0e", 2) < | |
4627 | 0) | |
4628 | ret = -1; | |
4629 | } | |
4630 | #endif /* CONFIG_TDLS */ | |
4631 | ||
4632 | /* FT Action frames */ | |
4633 | if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0) | |
4634 | ret = -1; | |
4635 | else | |
4636 | drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT | | |
4637 | WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK; | |
4638 | ||
4639 | /* WNM - BSS Transition Management Request */ | |
4640 | if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x07", 2) < 0) | |
4641 | ret = -1; | |
4642 | /* WNM-Sleep Mode Response */ | |
4643 | if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x11", 2) < 0) | |
4644 | ret = -1; | |
4645 | ||
4646 | #ifdef CONFIG_HS20 | |
4647 | /* WNM-Notification */ | |
4648 | if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x1a", 2) < 0) | |
4649 | ret = -1; | |
4650 | #endif /* CONFIG_HS20 */ | |
4651 | ||
4652 | nl80211_mgmt_handle_register_eloop(bss); | |
4653 | ||
4654 | return ret; | |
4655 | } | |
4656 | ||
4657 | ||
4658 | static int nl80211_register_spurious_class3(struct i802_bss *bss) | |
4659 | { | |
4660 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
4661 | struct nl_msg *msg; | |
4662 | int ret = -1; | |
4663 | ||
4664 | msg = nlmsg_alloc(); | |
4665 | if (!msg) | |
4666 | return -1; | |
4667 | ||
4668 | nl80211_cmd(drv, msg, 0, NL80211_CMD_UNEXPECTED_FRAME); | |
4669 | ||
4670 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex); | |
4671 | ||
4672 | ret = send_and_recv(drv->global, bss->nl_mgmt, msg, NULL, NULL); | |
4673 | msg = NULL; | |
4674 | if (ret) { | |
4675 | wpa_printf(MSG_DEBUG, "nl80211: Register spurious class3 " | |
4676 | "failed: ret=%d (%s)", | |
4677 | ret, strerror(-ret)); | |
4678 | goto nla_put_failure; | |
4679 | } | |
4680 | ret = 0; | |
4681 | nla_put_failure: | |
4682 | nlmsg_free(msg); | |
4683 | return ret; | |
4684 | } | |
4685 | ||
4686 | ||
4687 | static int nl80211_mgmt_subscribe_ap(struct i802_bss *bss) | |
4688 | { | |
4689 | static const int stypes[] = { | |
4690 | WLAN_FC_STYPE_AUTH, | |
4691 | WLAN_FC_STYPE_ASSOC_REQ, | |
4692 | WLAN_FC_STYPE_REASSOC_REQ, | |
4693 | WLAN_FC_STYPE_DISASSOC, | |
4694 | WLAN_FC_STYPE_DEAUTH, | |
4695 | WLAN_FC_STYPE_ACTION, | |
4696 | WLAN_FC_STYPE_PROBE_REQ, | |
4697 | /* Beacon doesn't work as mac80211 doesn't currently allow | |
4698 | * it, but it wouldn't really be the right thing anyway as | |
4699 | * it isn't per interface ... maybe just dump the scan | |
4700 | * results periodically for OLBC? | |
4701 | */ | |
4702 | /* WLAN_FC_STYPE_BEACON, */ | |
4703 | }; | |
4704 | unsigned int i; | |
4705 | ||
4706 | if (nl80211_alloc_mgmt_handle(bss)) | |
4707 | return -1; | |
4708 | wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP " | |
4709 | "handle %p", bss->nl_mgmt); | |
4710 | ||
4711 | for (i = 0; i < ARRAY_SIZE(stypes); i++) { | |
4712 | if (nl80211_register_frame(bss, bss->nl_mgmt, | |
4713 | (WLAN_FC_TYPE_MGMT << 2) | | |
4714 | (stypes[i] << 4), | |
4715 | NULL, 0) < 0) { | |
4716 | goto out_err; | |
4717 | } | |
4718 | } | |
4719 | ||
4720 | if (nl80211_register_spurious_class3(bss)) | |
4721 | goto out_err; | |
4722 | ||
4723 | if (nl80211_get_wiphy_data_ap(bss) == NULL) | |
4724 | goto out_err; | |
4725 | ||
4726 | nl80211_mgmt_handle_register_eloop(bss); | |
4727 | return 0; | |
4728 | ||
4729 | out_err: | |
4730 | nl_destroy_handles(&bss->nl_mgmt); | |
4731 | return -1; | |
4732 | } | |
4733 | ||
4734 | ||
4735 | static int nl80211_mgmt_subscribe_ap_dev_sme(struct i802_bss *bss) | |
4736 | { | |
4737 | if (nl80211_alloc_mgmt_handle(bss)) | |
4738 | return -1; | |
4739 | wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP " | |
4740 | "handle %p (device SME)", bss->nl_mgmt); | |
4741 | ||
4742 | if (nl80211_register_frame(bss, bss->nl_mgmt, | |
4743 | (WLAN_FC_TYPE_MGMT << 2) | | |
4744 | (WLAN_FC_STYPE_ACTION << 4), | |
4745 | NULL, 0) < 0) | |
4746 | goto out_err; | |
4747 | ||
4748 | nl80211_mgmt_handle_register_eloop(bss); | |
4749 | return 0; | |
4750 | ||
4751 | out_err: | |
4752 | nl_destroy_handles(&bss->nl_mgmt); | |
4753 | return -1; | |
4754 | } | |
4755 | ||
4756 | ||
4757 | static void nl80211_mgmt_unsubscribe(struct i802_bss *bss, const char *reason) | |
4758 | { | |
4759 | if (bss->nl_mgmt == NULL) | |
4760 | return; | |
4761 | wpa_printf(MSG_DEBUG, "nl80211: Unsubscribe mgmt frames handle %p " | |
4762 | "(%s)", bss->nl_mgmt, reason); | |
4763 | nl80211_destroy_eloop_handle(&bss->nl_mgmt); | |
4764 | ||
4765 | nl80211_put_wiphy_data_ap(bss); | |
4766 | } | |
4767 | ||
4768 | ||
4769 | static void wpa_driver_nl80211_send_rfkill(void *eloop_ctx, void *timeout_ctx) | |
4770 | { | |
4771 | wpa_supplicant_event(timeout_ctx, EVENT_INTERFACE_DISABLED, NULL); | |
4772 | } | |
4773 | ||
4774 | ||
4775 | static void nl80211_del_p2pdev(struct i802_bss *bss) | |
4776 | { | |
4777 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
4778 | struct nl_msg *msg; | |
4779 | int ret; | |
4780 | ||
4781 | msg = nlmsg_alloc(); | |
4782 | if (!msg) | |
4783 | return; | |
4784 | ||
4785 | nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_INTERFACE); | |
4786 | NLA_PUT_U64(msg, NL80211_ATTR_WDEV, bss->wdev_id); | |
4787 | ||
4788 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
4789 | msg = NULL; | |
4790 | ||
4791 | wpa_printf(MSG_DEBUG, "nl80211: Delete P2P Device %s (0x%llx): %s", | |
4792 | bss->ifname, (long long unsigned int) bss->wdev_id, | |
4793 | strerror(-ret)); | |
4794 | ||
4795 | nla_put_failure: | |
4796 | nlmsg_free(msg); | |
4797 | } | |
4798 | ||
4799 | ||
4800 | static int nl80211_set_p2pdev(struct i802_bss *bss, int start) | |
4801 | { | |
4802 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
4803 | struct nl_msg *msg; | |
4804 | int ret = -1; | |
4805 | ||
4806 | msg = nlmsg_alloc(); | |
4807 | if (!msg) | |
4808 | return -1; | |
4809 | ||
4810 | if (start) | |
4811 | nl80211_cmd(drv, msg, 0, NL80211_CMD_START_P2P_DEVICE); | |
4812 | else | |
4813 | nl80211_cmd(drv, msg, 0, NL80211_CMD_STOP_P2P_DEVICE); | |
4814 | ||
4815 | NLA_PUT_U64(msg, NL80211_ATTR_WDEV, bss->wdev_id); | |
4816 | ||
4817 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
4818 | msg = NULL; | |
4819 | ||
4820 | wpa_printf(MSG_DEBUG, "nl80211: %s P2P Device %s (0x%llx): %s", | |
4821 | start ? "Start" : "Stop", | |
4822 | bss->ifname, (long long unsigned int) bss->wdev_id, | |
4823 | strerror(-ret)); | |
4824 | ||
4825 | nla_put_failure: | |
4826 | nlmsg_free(msg); | |
4827 | return ret; | |
4828 | } | |
4829 | ||
4830 | ||
4831 | static int i802_set_iface_flags(struct i802_bss *bss, int up) | |
4832 | { | |
4833 | enum nl80211_iftype nlmode; | |
4834 | ||
4835 | nlmode = nl80211_get_ifmode(bss); | |
4836 | if (nlmode != NL80211_IFTYPE_P2P_DEVICE) { | |
4837 | return linux_set_iface_flags(bss->drv->global->ioctl_sock, | |
4838 | bss->ifname, up); | |
4839 | } | |
4840 | ||
4841 | /* P2P Device has start/stop which is equivalent */ | |
4842 | return nl80211_set_p2pdev(bss, up); | |
4843 | } | |
4844 | ||
4845 | ||
4846 | static int | |
4847 | wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv, | |
4848 | const u8 *set_addr, int first) | |
4849 | { | |
4850 | struct i802_bss *bss = drv->first_bss; | |
4851 | int send_rfkill_event = 0; | |
4852 | enum nl80211_iftype nlmode; | |
4853 | ||
4854 | drv->ifindex = if_nametoindex(bss->ifname); | |
4855 | bss->ifindex = drv->ifindex; | |
4856 | bss->wdev_id = drv->global->if_add_wdevid; | |
4857 | bss->wdev_id_set = drv->global->if_add_wdevid_set; | |
4858 | ||
4859 | bss->if_dynamic = drv->ifindex == drv->global->if_add_ifindex; | |
4860 | bss->if_dynamic = bss->if_dynamic || drv->global->if_add_wdevid_set; | |
4861 | drv->global->if_add_wdevid_set = 0; | |
4862 | ||
4863 | if (!bss->if_dynamic && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP) | |
4864 | bss->static_ap = 1; | |
4865 | ||
4866 | if (wpa_driver_nl80211_capa(drv)) | |
4867 | return -1; | |
4868 | ||
4869 | wpa_printf(MSG_DEBUG, "nl80211: interface %s in phy %s", | |
4870 | bss->ifname, drv->phyname); | |
4871 | ||
4872 | if (set_addr && | |
4873 | (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) || | |
4874 | linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname, | |
4875 | set_addr))) | |
4876 | return -1; | |
4877 | ||
4878 | if (first && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP) | |
4879 | drv->start_mode_ap = 1; | |
4880 | ||
4881 | if (drv->hostapd || bss->static_ap) | |
4882 | nlmode = NL80211_IFTYPE_AP; | |
4883 | else if (bss->if_dynamic) | |
4884 | nlmode = nl80211_get_ifmode(bss); | |
4885 | else | |
4886 | nlmode = NL80211_IFTYPE_STATION; | |
4887 | ||
4888 | if (wpa_driver_nl80211_set_mode(bss, nlmode) < 0) { | |
4889 | wpa_printf(MSG_ERROR, "nl80211: Could not configure driver mode"); | |
4890 | return -1; | |
4891 | } | |
4892 | ||
4893 | if (nlmode == NL80211_IFTYPE_P2P_DEVICE) | |
4894 | nl80211_get_macaddr(bss); | |
4895 | ||
4896 | if (!rfkill_is_blocked(drv->rfkill)) { | |
4897 | int ret = i802_set_iface_flags(bss, 1); | |
4898 | if (ret) { | |
4899 | wpa_printf(MSG_ERROR, "nl80211: Could not set " | |
4900 | "interface '%s' UP", bss->ifname); | |
4901 | return ret; | |
4902 | } | |
4903 | if (nlmode == NL80211_IFTYPE_P2P_DEVICE) | |
4904 | return ret; | |
4905 | } else { | |
4906 | wpa_printf(MSG_DEBUG, "nl80211: Could not yet enable " | |
4907 | "interface '%s' due to rfkill", bss->ifname); | |
4908 | if (nlmode == NL80211_IFTYPE_P2P_DEVICE) | |
4909 | return 0; | |
4910 | drv->if_disabled = 1; | |
4911 | send_rfkill_event = 1; | |
4912 | } | |
4913 | ||
4914 | if (!drv->hostapd) | |
4915 | netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, | |
4916 | 1, IF_OPER_DORMANT); | |
4917 | ||
4918 | if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname, | |
4919 | bss->addr)) | |
4920 | return -1; | |
4921 | os_memcpy(drv->perm_addr, bss->addr, ETH_ALEN); | |
4922 | ||
4923 | if (send_rfkill_event) { | |
4924 | eloop_register_timeout(0, 0, wpa_driver_nl80211_send_rfkill, | |
4925 | drv, drv->ctx); | |
4926 | } | |
4927 | ||
4928 | return 0; | |
4929 | } | |
4930 | ||
4931 | ||
4932 | static int wpa_driver_nl80211_del_beacon(struct wpa_driver_nl80211_data *drv) | |
4933 | { | |
4934 | struct nl_msg *msg; | |
4935 | ||
4936 | msg = nlmsg_alloc(); | |
4937 | if (!msg) | |
4938 | return -ENOMEM; | |
4939 | ||
4940 | wpa_printf(MSG_DEBUG, "nl80211: Remove beacon (ifindex=%d)", | |
4941 | drv->ifindex); | |
4942 | nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_BEACON); | |
4943 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
4944 | ||
4945 | return send_and_recv_msgs(drv, msg, NULL, NULL); | |
4946 | nla_put_failure: | |
4947 | nlmsg_free(msg); | |
4948 | return -ENOBUFS; | |
4949 | } | |
4950 | ||
4951 | ||
4952 | /** | |
4953 | * wpa_driver_nl80211_deinit - Deinitialize nl80211 driver interface | |
4954 | * @bss: Pointer to private nl80211 data from wpa_driver_nl80211_init() | |
4955 | * | |
4956 | * Shut down driver interface and processing of driver events. Free | |
4957 | * private data buffer if one was allocated in wpa_driver_nl80211_init(). | |
4958 | */ | |
4959 | static void wpa_driver_nl80211_deinit(struct i802_bss *bss) | |
4960 | { | |
4961 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
4962 | ||
4963 | bss->in_deinit = 1; | |
4964 | if (drv->data_tx_status) | |
4965 | eloop_unregister_read_sock(drv->eapol_tx_sock); | |
4966 | if (drv->eapol_tx_sock >= 0) | |
4967 | close(drv->eapol_tx_sock); | |
4968 | ||
4969 | if (bss->nl_preq) | |
4970 | wpa_driver_nl80211_probe_req_report(bss, 0); | |
4971 | if (bss->added_if_into_bridge) { | |
4972 | if (linux_br_del_if(drv->global->ioctl_sock, bss->brname, | |
4973 | bss->ifname) < 0) | |
4974 | wpa_printf(MSG_INFO, "nl80211: Failed to remove " | |
4975 | "interface %s from bridge %s: %s", | |
4976 | bss->ifname, bss->brname, strerror(errno)); | |
4977 | if (drv->rtnl_sk) | |
4978 | nl80211_handle_destroy(drv->rtnl_sk); | |
4979 | } | |
4980 | if (bss->added_bridge) { | |
4981 | if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0) | |
4982 | wpa_printf(MSG_INFO, "nl80211: Failed to remove " | |
4983 | "bridge %s: %s", | |
4984 | bss->brname, strerror(errno)); | |
4985 | } | |
4986 | ||
4987 | nl80211_remove_monitor_interface(drv); | |
4988 | ||
4989 | if (is_ap_interface(drv->nlmode)) | |
4990 | wpa_driver_nl80211_del_beacon(drv); | |
4991 | ||
4992 | if (drv->eapol_sock >= 0) { | |
4993 | eloop_unregister_read_sock(drv->eapol_sock); | |
4994 | close(drv->eapol_sock); | |
4995 | } | |
4996 | ||
4997 | if (drv->if_indices != drv->default_if_indices) | |
4998 | os_free(drv->if_indices); | |
4999 | ||
5000 | if (drv->disabled_11b_rates) | |
5001 | nl80211_disable_11b_rates(drv, drv->ifindex, 0); | |
5002 | ||
5003 | netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, 0, | |
5004 | IF_OPER_UP); | |
5005 | eloop_cancel_timeout(wpa_driver_nl80211_send_rfkill, drv, drv->ctx); | |
5006 | rfkill_deinit(drv->rfkill); | |
5007 | ||
5008 | eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx); | |
5009 | ||
5010 | if (!drv->start_iface_up) | |
5011 | (void) i802_set_iface_flags(bss, 0); | |
5012 | ||
5013 | if (drv->addr_changed) { | |
5014 | if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, | |
5015 | 0) < 0) { | |
5016 | wpa_printf(MSG_DEBUG, | |
5017 | "nl80211: Could not set interface down to restore permanent MAC address"); | |
5018 | } | |
5019 | if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname, | |
5020 | drv->perm_addr) < 0) { | |
5021 | wpa_printf(MSG_DEBUG, | |
5022 | "nl80211: Could not restore permanent MAC address"); | |
5023 | } | |
5024 | } | |
5025 | ||
5026 | if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE) { | |
5027 | if (!drv->hostapd || !drv->start_mode_ap) | |
5028 | wpa_driver_nl80211_set_mode(bss, | |
5029 | NL80211_IFTYPE_STATION); | |
5030 | nl80211_mgmt_unsubscribe(bss, "deinit"); | |
5031 | } else { | |
5032 | nl80211_mgmt_unsubscribe(bss, "deinit"); | |
5033 | nl80211_del_p2pdev(bss); | |
5034 | } | |
5035 | nl_cb_put(drv->nl_cb); | |
5036 | ||
5037 | nl80211_destroy_bss(drv->first_bss); | |
5038 | ||
5039 | os_free(drv->filter_ssids); | |
5040 | ||
5041 | os_free(drv->auth_ie); | |
5042 | ||
5043 | if (drv->in_interface_list) | |
5044 | dl_list_del(&drv->list); | |
5045 | ||
5046 | os_free(drv->extended_capa); | |
5047 | os_free(drv->extended_capa_mask); | |
5048 | os_free(drv->first_bss); | |
5049 | os_free(drv); | |
5050 | } | |
5051 | ||
5052 | ||
5053 | /** | |
5054 | * wpa_driver_nl80211_scan_timeout - Scan timeout to report scan completion | |
5055 | * @eloop_ctx: Driver private data | |
5056 | * @timeout_ctx: ctx argument given to wpa_driver_nl80211_init() | |
5057 | * | |
5058 | * This function can be used as registered timeout when starting a scan to | |
5059 | * generate a scan completed event if the driver does not report this. | |
5060 | */ | |
5061 | static void wpa_driver_nl80211_scan_timeout(void *eloop_ctx, void *timeout_ctx) | |
5062 | { | |
5063 | struct wpa_driver_nl80211_data *drv = eloop_ctx; | |
5064 | if (drv->ap_scan_as_station != NL80211_IFTYPE_UNSPECIFIED) { | |
5065 | wpa_driver_nl80211_set_mode(drv->first_bss, | |
5066 | drv->ap_scan_as_station); | |
5067 | drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED; | |
5068 | } | |
5069 | wpa_printf(MSG_DEBUG, "Scan timeout - try to get results"); | |
5070 | wpa_supplicant_event(timeout_ctx, EVENT_SCAN_RESULTS, NULL); | |
5071 | } | |
5072 | ||
5073 | ||
5074 | static struct nl_msg * | |
5075 | nl80211_scan_common(struct wpa_driver_nl80211_data *drv, u8 cmd, | |
5076 | struct wpa_driver_scan_params *params, u64 *wdev_id) | |
5077 | { | |
5078 | struct nl_msg *msg; | |
5079 | size_t i; | |
5080 | u32 scan_flags = 0; | |
5081 | ||
5082 | msg = nlmsg_alloc(); | |
5083 | if (!msg) | |
5084 | return NULL; | |
5085 | ||
5086 | nl80211_cmd(drv, msg, 0, cmd); | |
5087 | ||
5088 | if (!wdev_id) | |
5089 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
5090 | else | |
5091 | NLA_PUT_U64(msg, NL80211_ATTR_WDEV, *wdev_id); | |
5092 | ||
5093 | if (params->num_ssids) { | |
5094 | struct nlattr *ssids; | |
5095 | ||
5096 | ssids = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS); | |
5097 | if (ssids == NULL) | |
5098 | goto fail; | |
5099 | for (i = 0; i < params->num_ssids; i++) { | |
5100 | wpa_hexdump_ascii(MSG_MSGDUMP, "nl80211: Scan SSID", | |
5101 | params->ssids[i].ssid, | |
5102 | params->ssids[i].ssid_len); | |
5103 | if (nla_put(msg, i + 1, params->ssids[i].ssid_len, | |
5104 | params->ssids[i].ssid) < 0) | |
5105 | goto fail; | |
5106 | } | |
5107 | nla_nest_end(msg, ssids); | |
5108 | } | |
5109 | ||
5110 | if (params->extra_ies) { | |
5111 | wpa_hexdump(MSG_MSGDUMP, "nl80211: Scan extra IEs", | |
5112 | params->extra_ies, params->extra_ies_len); | |
5113 | if (nla_put(msg, NL80211_ATTR_IE, params->extra_ies_len, | |
5114 | params->extra_ies) < 0) | |
5115 | goto fail; | |
5116 | } | |
5117 | ||
5118 | if (params->freqs) { | |
5119 | struct nlattr *freqs; | |
5120 | freqs = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); | |
5121 | if (freqs == NULL) | |
5122 | goto fail; | |
5123 | for (i = 0; params->freqs[i]; i++) { | |
5124 | wpa_printf(MSG_MSGDUMP, "nl80211: Scan frequency %u " | |
5125 | "MHz", params->freqs[i]); | |
5126 | if (nla_put_u32(msg, i + 1, params->freqs[i]) < 0) | |
5127 | goto fail; | |
5128 | } | |
5129 | nla_nest_end(msg, freqs); | |
5130 | } | |
5131 | ||
5132 | os_free(drv->filter_ssids); | |
5133 | drv->filter_ssids = params->filter_ssids; | |
5134 | params->filter_ssids = NULL; | |
5135 | drv->num_filter_ssids = params->num_filter_ssids; | |
5136 | ||
5137 | if (params->only_new_results) { | |
5138 | wpa_printf(MSG_DEBUG, "nl80211: Add NL80211_SCAN_FLAG_FLUSH"); | |
5139 | scan_flags |= NL80211_SCAN_FLAG_FLUSH; | |
5140 | } | |
5141 | ||
5142 | if (params->low_priority && drv->have_low_prio_scan) { | |
5143 | wpa_printf(MSG_DEBUG, | |
5144 | "nl80211: Add NL80211_SCAN_FLAG_LOW_PRIORITY"); | |
5145 | scan_flags |= NL80211_SCAN_FLAG_LOW_PRIORITY; | |
5146 | } | |
5147 | ||
5148 | if (scan_flags) | |
5149 | NLA_PUT_U32(msg, NL80211_ATTR_SCAN_FLAGS, scan_flags); | |
5150 | ||
5151 | return msg; | |
5152 | ||
5153 | fail: | |
5154 | nla_put_failure: | |
5155 | nlmsg_free(msg); | |
5156 | return NULL; | |
5157 | } | |
5158 | ||
5159 | ||
5160 | /** | |
5161 | * wpa_driver_nl80211_scan - Request the driver to initiate scan | |
5162 | * @bss: Pointer to private driver data from wpa_driver_nl80211_init() | |
5163 | * @params: Scan parameters | |
5164 | * Returns: 0 on success, -1 on failure | |
5165 | */ | |
5166 | static int wpa_driver_nl80211_scan(struct i802_bss *bss, | |
5167 | struct wpa_driver_scan_params *params) | |
5168 | { | |
5169 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
5170 | int ret = -1, timeout; | |
5171 | struct nl_msg *msg = NULL; | |
5172 | ||
5173 | wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: scan request"); | |
5174 | drv->scan_for_auth = 0; | |
5175 | ||
5176 | msg = nl80211_scan_common(drv, NL80211_CMD_TRIGGER_SCAN, params, | |
5177 | bss->wdev_id_set ? &bss->wdev_id : NULL); | |
5178 | if (!msg) | |
5179 | return -1; | |
5180 | ||
5181 | if (params->p2p_probe) { | |
5182 | struct nlattr *rates; | |
5183 | ||
5184 | wpa_printf(MSG_DEBUG, "nl80211: P2P probe - mask SuppRates"); | |
5185 | ||
5186 | rates = nla_nest_start(msg, NL80211_ATTR_SCAN_SUPP_RATES); | |
5187 | if (rates == NULL) | |
5188 | goto nla_put_failure; | |
5189 | ||
5190 | /* | |
5191 | * Remove 2.4 GHz rates 1, 2, 5.5, 11 Mbps from supported rates | |
5192 | * by masking out everything else apart from the OFDM rates 6, | |
5193 | * 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS rates. All 5 GHz | |
5194 | * rates are left enabled. | |
5195 | */ | |
5196 | NLA_PUT(msg, NL80211_BAND_2GHZ, 8, | |
5197 | "\x0c\x12\x18\x24\x30\x48\x60\x6c"); | |
5198 | nla_nest_end(msg, rates); | |
5199 | ||
5200 | NLA_PUT_FLAG(msg, NL80211_ATTR_TX_NO_CCK_RATE); | |
5201 | } | |
5202 | ||
5203 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
5204 | msg = NULL; | |
5205 | if (ret) { | |
5206 | wpa_printf(MSG_DEBUG, "nl80211: Scan trigger failed: ret=%d " | |
5207 | "(%s)", ret, strerror(-ret)); | |
5208 | if (drv->hostapd && is_ap_interface(drv->nlmode)) { | |
5209 | enum nl80211_iftype old_mode = drv->nlmode; | |
5210 | ||
5211 | /* | |
5212 | * mac80211 does not allow scan requests in AP mode, so | |
5213 | * try to do this in station mode. | |
5214 | */ | |
5215 | if (wpa_driver_nl80211_set_mode( | |
5216 | bss, NL80211_IFTYPE_STATION)) | |
5217 | goto nla_put_failure; | |
5218 | ||
5219 | if (wpa_driver_nl80211_scan(bss, params)) { | |
5220 | wpa_driver_nl80211_set_mode(bss, drv->nlmode); | |
5221 | goto nla_put_failure; | |
5222 | } | |
5223 | ||
5224 | /* Restore AP mode when processing scan results */ | |
5225 | drv->ap_scan_as_station = old_mode; | |
5226 | ret = 0; | |
5227 | } else | |
5228 | goto nla_put_failure; | |
5229 | } | |
5230 | ||
5231 | drv->scan_state = SCAN_REQUESTED; | |
5232 | /* Not all drivers generate "scan completed" wireless event, so try to | |
5233 | * read results after a timeout. */ | |
5234 | timeout = 10; | |
5235 | if (drv->scan_complete_events) { | |
5236 | /* | |
5237 | * The driver seems to deliver events to notify when scan is | |
5238 | * complete, so use longer timeout to avoid race conditions | |
5239 | * with scanning and following association request. | |
5240 | */ | |
5241 | timeout = 30; | |
5242 | } | |
5243 | wpa_printf(MSG_DEBUG, "Scan requested (ret=%d) - scan timeout %d " | |
5244 | "seconds", ret, timeout); | |
5245 | eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx); | |
5246 | eloop_register_timeout(timeout, 0, wpa_driver_nl80211_scan_timeout, | |
5247 | drv, drv->ctx); | |
5248 | ||
5249 | nla_put_failure: | |
5250 | nlmsg_free(msg); | |
5251 | return ret; | |
5252 | } | |
5253 | ||
5254 | ||
5255 | /** | |
5256 | * wpa_driver_nl80211_sched_scan - Initiate a scheduled scan | |
5257 | * @priv: Pointer to private driver data from wpa_driver_nl80211_init() | |
5258 | * @params: Scan parameters | |
5259 | * @interval: Interval between scan cycles in milliseconds | |
5260 | * Returns: 0 on success, -1 on failure or if not supported | |
5261 | */ | |
5262 | static int wpa_driver_nl80211_sched_scan(void *priv, | |
5263 | struct wpa_driver_scan_params *params, | |
5264 | u32 interval) | |
5265 | { | |
5266 | struct i802_bss *bss = priv; | |
5267 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
5268 | int ret = -1; | |
5269 | struct nl_msg *msg; | |
5270 | size_t i; | |
5271 | ||
5272 | wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: sched_scan request"); | |
5273 | ||
5274 | #ifdef ANDROID | |
5275 | if (!drv->capa.sched_scan_supported) | |
5276 | return android_pno_start(bss, params); | |
5277 | #endif /* ANDROID */ | |
5278 | ||
5279 | msg = nl80211_scan_common(drv, NL80211_CMD_START_SCHED_SCAN, params, | |
5280 | bss->wdev_id_set ? &bss->wdev_id : NULL); | |
5281 | if (!msg) | |
5282 | goto nla_put_failure; | |
5283 | ||
5284 | NLA_PUT_U32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL, interval); | |
5285 | ||
5286 | if ((drv->num_filter_ssids && | |
5287 | (int) drv->num_filter_ssids <= drv->capa.max_match_sets) || | |
5288 | params->filter_rssi) { | |
5289 | struct nlattr *match_sets; | |
5290 | match_sets = nla_nest_start(msg, NL80211_ATTR_SCHED_SCAN_MATCH); | |
5291 | if (match_sets == NULL) | |
5292 | goto nla_put_failure; | |
5293 | ||
5294 | for (i = 0; i < drv->num_filter_ssids; i++) { | |
5295 | struct nlattr *match_set_ssid; | |
5296 | wpa_hexdump_ascii(MSG_MSGDUMP, | |
5297 | "nl80211: Sched scan filter SSID", | |
5298 | drv->filter_ssids[i].ssid, | |
5299 | drv->filter_ssids[i].ssid_len); | |
5300 | ||
5301 | match_set_ssid = nla_nest_start(msg, i + 1); | |
5302 | if (match_set_ssid == NULL) | |
5303 | goto nla_put_failure; | |
5304 | NLA_PUT(msg, NL80211_ATTR_SCHED_SCAN_MATCH_SSID, | |
5305 | drv->filter_ssids[i].ssid_len, | |
5306 | drv->filter_ssids[i].ssid); | |
5307 | if (params->filter_rssi) | |
5308 | NLA_PUT_U32(msg, | |
5309 | NL80211_SCHED_SCAN_MATCH_ATTR_RSSI, | |
5310 | params->filter_rssi); | |
5311 | ||
5312 | nla_nest_end(msg, match_set_ssid); | |
5313 | } | |
5314 | ||
5315 | /* | |
5316 | * Due to backward compatibility code, newer kernels treat this | |
5317 | * matchset (with only an RSSI filter) as the default for all | |
5318 | * other matchsets, unless it's the only one, in which case the | |
5319 | * matchset will actually allow all SSIDs above the RSSI. | |
5320 | */ | |
5321 | if (params->filter_rssi) { | |
5322 | struct nlattr *match_set_rssi; | |
5323 | match_set_rssi = nla_nest_start(msg, 0); | |
5324 | if (match_set_rssi == NULL) | |
5325 | goto nla_put_failure; | |
5326 | NLA_PUT_U32(msg, NL80211_SCHED_SCAN_MATCH_ATTR_RSSI, | |
5327 | params->filter_rssi); | |
5328 | wpa_printf(MSG_MSGDUMP, | |
5329 | "nl80211: Sched scan RSSI filter %d dBm", | |
5330 | params->filter_rssi); | |
5331 | nla_nest_end(msg, match_set_rssi); | |
5332 | } | |
5333 | ||
5334 | nla_nest_end(msg, match_sets); | |
5335 | } | |
5336 | ||
5337 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
5338 | ||
5339 | /* TODO: if we get an error here, we should fall back to normal scan */ | |
5340 | ||
5341 | msg = NULL; | |
5342 | if (ret) { | |
5343 | wpa_printf(MSG_DEBUG, "nl80211: Sched scan start failed: " | |
5344 | "ret=%d (%s)", ret, strerror(-ret)); | |
5345 | goto nla_put_failure; | |
5346 | } | |
5347 | ||
5348 | wpa_printf(MSG_DEBUG, "nl80211: Sched scan requested (ret=%d) - " | |
5349 | "scan interval %d msec", ret, interval); | |
5350 | ||
5351 | nla_put_failure: | |
5352 | nlmsg_free(msg); | |
5353 | return ret; | |
5354 | } | |
5355 | ||
5356 | ||
5357 | /** | |
5358 | * wpa_driver_nl80211_stop_sched_scan - Stop a scheduled scan | |
5359 | * @priv: Pointer to private driver data from wpa_driver_nl80211_init() | |
5360 | * Returns: 0 on success, -1 on failure or if not supported | |
5361 | */ | |
5362 | static int wpa_driver_nl80211_stop_sched_scan(void *priv) | |
5363 | { | |
5364 | struct i802_bss *bss = priv; | |
5365 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
5366 | int ret = 0; | |
5367 | struct nl_msg *msg; | |
5368 | ||
5369 | #ifdef ANDROID | |
5370 | if (!drv->capa.sched_scan_supported) | |
5371 | return android_pno_stop(bss); | |
5372 | #endif /* ANDROID */ | |
5373 | ||
5374 | msg = nlmsg_alloc(); | |
5375 | if (!msg) | |
5376 | return -1; | |
5377 | ||
5378 | nl80211_cmd(drv, msg, 0, NL80211_CMD_STOP_SCHED_SCAN); | |
5379 | ||
5380 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
5381 | ||
5382 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
5383 | msg = NULL; | |
5384 | if (ret) { | |
5385 | wpa_printf(MSG_DEBUG, "nl80211: Sched scan stop failed: " | |
5386 | "ret=%d (%s)", ret, strerror(-ret)); | |
5387 | goto nla_put_failure; | |
5388 | } | |
5389 | ||
5390 | wpa_printf(MSG_DEBUG, "nl80211: Sched scan stop sent (ret=%d)", ret); | |
5391 | ||
5392 | nla_put_failure: | |
5393 | nlmsg_free(msg); | |
5394 | return ret; | |
5395 | } | |
5396 | ||
5397 | ||
5398 | static const u8 * nl80211_get_ie(const u8 *ies, size_t ies_len, u8 ie) | |
5399 | { | |
5400 | const u8 *end, *pos; | |
5401 | ||
5402 | if (ies == NULL) | |
5403 | return NULL; | |
5404 | ||
5405 | pos = ies; | |
5406 | end = ies + ies_len; | |
5407 | ||
5408 | while (pos + 1 < end) { | |
5409 | if (pos + 2 + pos[1] > end) | |
5410 | break; | |
5411 | if (pos[0] == ie) | |
5412 | return pos; | |
5413 | pos += 2 + pos[1]; | |
5414 | } | |
5415 | ||
5416 | return NULL; | |
5417 | } | |
5418 | ||
5419 | ||
5420 | static int nl80211_scan_filtered(struct wpa_driver_nl80211_data *drv, | |
5421 | const u8 *ie, size_t ie_len) | |
5422 | { | |
5423 | const u8 *ssid; | |
5424 | size_t i; | |
5425 | ||
5426 | if (drv->filter_ssids == NULL) | |
5427 | return 0; | |
5428 | ||
5429 | ssid = nl80211_get_ie(ie, ie_len, WLAN_EID_SSID); | |
5430 | if (ssid == NULL) | |
5431 | return 1; | |
5432 | ||
5433 | for (i = 0; i < drv->num_filter_ssids; i++) { | |
5434 | if (ssid[1] == drv->filter_ssids[i].ssid_len && | |
5435 | os_memcmp(ssid + 2, drv->filter_ssids[i].ssid, ssid[1]) == | |
5436 | 0) | |
5437 | return 0; | |
5438 | } | |
5439 | ||
5440 | return 1; | |
5441 | } | |
5442 | ||
5443 | ||
5444 | static int bss_info_handler(struct nl_msg *msg, void *arg) | |
5445 | { | |
5446 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
5447 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
5448 | struct nlattr *bss[NL80211_BSS_MAX + 1]; | |
5449 | static struct nla_policy bss_policy[NL80211_BSS_MAX + 1] = { | |
5450 | [NL80211_BSS_BSSID] = { .type = NLA_UNSPEC }, | |
5451 | [NL80211_BSS_FREQUENCY] = { .type = NLA_U32 }, | |
5452 | [NL80211_BSS_TSF] = { .type = NLA_U64 }, | |
5453 | [NL80211_BSS_BEACON_INTERVAL] = { .type = NLA_U16 }, | |
5454 | [NL80211_BSS_CAPABILITY] = { .type = NLA_U16 }, | |
5455 | [NL80211_BSS_INFORMATION_ELEMENTS] = { .type = NLA_UNSPEC }, | |
5456 | [NL80211_BSS_SIGNAL_MBM] = { .type = NLA_U32 }, | |
5457 | [NL80211_BSS_SIGNAL_UNSPEC] = { .type = NLA_U8 }, | |
5458 | [NL80211_BSS_STATUS] = { .type = NLA_U32 }, | |
5459 | [NL80211_BSS_SEEN_MS_AGO] = { .type = NLA_U32 }, | |
5460 | [NL80211_BSS_BEACON_IES] = { .type = NLA_UNSPEC }, | |
5461 | }; | |
5462 | struct nl80211_bss_info_arg *_arg = arg; | |
5463 | struct wpa_scan_results *res = _arg->res; | |
5464 | struct wpa_scan_res **tmp; | |
5465 | struct wpa_scan_res *r; | |
5466 | const u8 *ie, *beacon_ie; | |
5467 | size_t ie_len, beacon_ie_len; | |
5468 | u8 *pos; | |
5469 | size_t i; | |
5470 | ||
5471 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
5472 | genlmsg_attrlen(gnlh, 0), NULL); | |
5473 | if (!tb[NL80211_ATTR_BSS]) | |
5474 | return NL_SKIP; | |
5475 | if (nla_parse_nested(bss, NL80211_BSS_MAX, tb[NL80211_ATTR_BSS], | |
5476 | bss_policy)) | |
5477 | return NL_SKIP; | |
5478 | if (bss[NL80211_BSS_STATUS]) { | |
5479 | enum nl80211_bss_status status; | |
5480 | status = nla_get_u32(bss[NL80211_BSS_STATUS]); | |
5481 | if (status == NL80211_BSS_STATUS_ASSOCIATED && | |
5482 | bss[NL80211_BSS_FREQUENCY]) { | |
5483 | _arg->assoc_freq = | |
5484 | nla_get_u32(bss[NL80211_BSS_FREQUENCY]); | |
5485 | wpa_printf(MSG_DEBUG, "nl80211: Associated on %u MHz", | |
5486 | _arg->assoc_freq); | |
5487 | } | |
5488 | if (status == NL80211_BSS_STATUS_IBSS_JOINED && | |
5489 | bss[NL80211_BSS_FREQUENCY]) { | |
5490 | _arg->ibss_freq = | |
5491 | nla_get_u32(bss[NL80211_BSS_FREQUENCY]); | |
5492 | wpa_printf(MSG_DEBUG, "nl80211: IBSS-joined on %u MHz", | |
5493 | _arg->ibss_freq); | |
5494 | } | |
5495 | if (status == NL80211_BSS_STATUS_ASSOCIATED && | |
5496 | bss[NL80211_BSS_BSSID]) { | |
5497 | os_memcpy(_arg->assoc_bssid, | |
5498 | nla_data(bss[NL80211_BSS_BSSID]), ETH_ALEN); | |
5499 | wpa_printf(MSG_DEBUG, "nl80211: Associated with " | |
5500 | MACSTR, MAC2STR(_arg->assoc_bssid)); | |
5501 | } | |
5502 | } | |
5503 | if (!res) | |
5504 | return NL_SKIP; | |
5505 | if (bss[NL80211_BSS_INFORMATION_ELEMENTS]) { | |
5506 | ie = nla_data(bss[NL80211_BSS_INFORMATION_ELEMENTS]); | |
5507 | ie_len = nla_len(bss[NL80211_BSS_INFORMATION_ELEMENTS]); | |
5508 | } else { | |
5509 | ie = NULL; | |
5510 | ie_len = 0; | |
5511 | } | |
5512 | if (bss[NL80211_BSS_BEACON_IES]) { | |
5513 | beacon_ie = nla_data(bss[NL80211_BSS_BEACON_IES]); | |
5514 | beacon_ie_len = nla_len(bss[NL80211_BSS_BEACON_IES]); | |
5515 | } else { | |
5516 | beacon_ie = NULL; | |
5517 | beacon_ie_len = 0; | |
5518 | } | |
5519 | ||
5520 | if (nl80211_scan_filtered(_arg->drv, ie ? ie : beacon_ie, | |
5521 | ie ? ie_len : beacon_ie_len)) | |
5522 | return NL_SKIP; | |
5523 | ||
5524 | r = os_zalloc(sizeof(*r) + ie_len + beacon_ie_len); | |
5525 | if (r == NULL) | |
5526 | return NL_SKIP; | |
5527 | if (bss[NL80211_BSS_BSSID]) | |
5528 | os_memcpy(r->bssid, nla_data(bss[NL80211_BSS_BSSID]), | |
5529 | ETH_ALEN); | |
5530 | if (bss[NL80211_BSS_FREQUENCY]) | |
5531 | r->freq = nla_get_u32(bss[NL80211_BSS_FREQUENCY]); | |
5532 | if (bss[NL80211_BSS_BEACON_INTERVAL]) | |
5533 | r->beacon_int = nla_get_u16(bss[NL80211_BSS_BEACON_INTERVAL]); | |
5534 | if (bss[NL80211_BSS_CAPABILITY]) | |
5535 | r->caps = nla_get_u16(bss[NL80211_BSS_CAPABILITY]); | |
5536 | r->flags |= WPA_SCAN_NOISE_INVALID; | |
5537 | if (bss[NL80211_BSS_SIGNAL_MBM]) { | |
5538 | r->level = nla_get_u32(bss[NL80211_BSS_SIGNAL_MBM]); | |
5539 | r->level /= 100; /* mBm to dBm */ | |
5540 | r->flags |= WPA_SCAN_LEVEL_DBM | WPA_SCAN_QUAL_INVALID; | |
5541 | } else if (bss[NL80211_BSS_SIGNAL_UNSPEC]) { | |
5542 | r->level = nla_get_u8(bss[NL80211_BSS_SIGNAL_UNSPEC]); | |
5543 | r->flags |= WPA_SCAN_QUAL_INVALID; | |
5544 | } else | |
5545 | r->flags |= WPA_SCAN_LEVEL_INVALID | WPA_SCAN_QUAL_INVALID; | |
5546 | if (bss[NL80211_BSS_TSF]) | |
5547 | r->tsf = nla_get_u64(bss[NL80211_BSS_TSF]); | |
5548 | if (bss[NL80211_BSS_SEEN_MS_AGO]) | |
5549 | r->age = nla_get_u32(bss[NL80211_BSS_SEEN_MS_AGO]); | |
5550 | r->ie_len = ie_len; | |
5551 | pos = (u8 *) (r + 1); | |
5552 | if (ie) { | |
5553 | os_memcpy(pos, ie, ie_len); | |
5554 | pos += ie_len; | |
5555 | } | |
5556 | r->beacon_ie_len = beacon_ie_len; | |
5557 | if (beacon_ie) | |
5558 | os_memcpy(pos, beacon_ie, beacon_ie_len); | |
5559 | ||
5560 | if (bss[NL80211_BSS_STATUS]) { | |
5561 | enum nl80211_bss_status status; | |
5562 | status = nla_get_u32(bss[NL80211_BSS_STATUS]); | |
5563 | switch (status) { | |
5564 | case NL80211_BSS_STATUS_AUTHENTICATED: | |
5565 | r->flags |= WPA_SCAN_AUTHENTICATED; | |
5566 | break; | |
5567 | case NL80211_BSS_STATUS_ASSOCIATED: | |
5568 | r->flags |= WPA_SCAN_ASSOCIATED; | |
5569 | break; | |
5570 | default: | |
5571 | break; | |
5572 | } | |
5573 | } | |
5574 | ||
5575 | /* | |
5576 | * cfg80211 maintains separate BSS table entries for APs if the same | |
5577 | * BSSID,SSID pair is seen on multiple channels. wpa_supplicant does | |
5578 | * not use frequency as a separate key in the BSS table, so filter out | |
5579 | * duplicated entries. Prefer associated BSS entry in such a case in | |
5580 | * order to get the correct frequency into the BSS table. Similarly, | |
5581 | * prefer newer entries over older. | |
5582 | */ | |
5583 | for (i = 0; i < res->num; i++) { | |
5584 | const u8 *s1, *s2; | |
5585 | if (os_memcmp(res->res[i]->bssid, r->bssid, ETH_ALEN) != 0) | |
5586 | continue; | |
5587 | ||
5588 | s1 = nl80211_get_ie((u8 *) (res->res[i] + 1), | |
5589 | res->res[i]->ie_len, WLAN_EID_SSID); | |
5590 | s2 = nl80211_get_ie((u8 *) (r + 1), r->ie_len, WLAN_EID_SSID); | |
5591 | if (s1 == NULL || s2 == NULL || s1[1] != s2[1] || | |
5592 | os_memcmp(s1, s2, 2 + s1[1]) != 0) | |
5593 | continue; | |
5594 | ||
5595 | /* Same BSSID,SSID was already included in scan results */ | |
5596 | wpa_printf(MSG_DEBUG, "nl80211: Remove duplicated scan result " | |
5597 | "for " MACSTR, MAC2STR(r->bssid)); | |
5598 | ||
5599 | if (((r->flags & WPA_SCAN_ASSOCIATED) && | |
5600 | !(res->res[i]->flags & WPA_SCAN_ASSOCIATED)) || | |
5601 | r->age < res->res[i]->age) { | |
5602 | os_free(res->res[i]); | |
5603 | res->res[i] = r; | |
5604 | } else | |
5605 | os_free(r); | |
5606 | return NL_SKIP; | |
5607 | } | |
5608 | ||
5609 | tmp = os_realloc_array(res->res, res->num + 1, | |
5610 | sizeof(struct wpa_scan_res *)); | |
5611 | if (tmp == NULL) { | |
5612 | os_free(r); | |
5613 | return NL_SKIP; | |
5614 | } | |
5615 | tmp[res->num++] = r; | |
5616 | res->res = tmp; | |
5617 | ||
5618 | return NL_SKIP; | |
5619 | } | |
5620 | ||
5621 | ||
5622 | static void clear_state_mismatch(struct wpa_driver_nl80211_data *drv, | |
5623 | const u8 *addr) | |
5624 | { | |
5625 | if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) { | |
5626 | wpa_printf(MSG_DEBUG, "nl80211: Clear possible state " | |
5627 | "mismatch (" MACSTR ")", MAC2STR(addr)); | |
5628 | wpa_driver_nl80211_mlme(drv, addr, | |
5629 | NL80211_CMD_DEAUTHENTICATE, | |
5630 | WLAN_REASON_PREV_AUTH_NOT_VALID, 1); | |
5631 | } | |
5632 | } | |
5633 | ||
5634 | ||
5635 | static void wpa_driver_nl80211_check_bss_status( | |
5636 | struct wpa_driver_nl80211_data *drv, struct wpa_scan_results *res) | |
5637 | { | |
5638 | size_t i; | |
5639 | ||
5640 | for (i = 0; i < res->num; i++) { | |
5641 | struct wpa_scan_res *r = res->res[i]; | |
5642 | if (r->flags & WPA_SCAN_AUTHENTICATED) { | |
5643 | wpa_printf(MSG_DEBUG, "nl80211: Scan results " | |
5644 | "indicates BSS status with " MACSTR | |
5645 | " as authenticated", | |
5646 | MAC2STR(r->bssid)); | |
5647 | if (is_sta_interface(drv->nlmode) && | |
5648 | os_memcmp(r->bssid, drv->bssid, ETH_ALEN) != 0 && | |
5649 | os_memcmp(r->bssid, drv->auth_bssid, ETH_ALEN) != | |
5650 | 0) { | |
5651 | wpa_printf(MSG_DEBUG, "nl80211: Unknown BSSID" | |
5652 | " in local state (auth=" MACSTR | |
5653 | " assoc=" MACSTR ")", | |
5654 | MAC2STR(drv->auth_bssid), | |
5655 | MAC2STR(drv->bssid)); | |
5656 | clear_state_mismatch(drv, r->bssid); | |
5657 | } | |
5658 | } | |
5659 | ||
5660 | if (r->flags & WPA_SCAN_ASSOCIATED) { | |
5661 | wpa_printf(MSG_DEBUG, "nl80211: Scan results " | |
5662 | "indicate BSS status with " MACSTR | |
5663 | " as associated", | |
5664 | MAC2STR(r->bssid)); | |
5665 | if (is_sta_interface(drv->nlmode) && | |
5666 | !drv->associated) { | |
5667 | wpa_printf(MSG_DEBUG, "nl80211: Local state " | |
5668 | "(not associated) does not match " | |
5669 | "with BSS state"); | |
5670 | clear_state_mismatch(drv, r->bssid); | |
5671 | } else if (is_sta_interface(drv->nlmode) && | |
5672 | os_memcmp(drv->bssid, r->bssid, ETH_ALEN) != | |
5673 | 0) { | |
5674 | wpa_printf(MSG_DEBUG, "nl80211: Local state " | |
5675 | "(associated with " MACSTR ") does " | |
5676 | "not match with BSS state", | |
5677 | MAC2STR(drv->bssid)); | |
5678 | clear_state_mismatch(drv, r->bssid); | |
5679 | clear_state_mismatch(drv, drv->bssid); | |
5680 | } | |
5681 | } | |
5682 | } | |
5683 | } | |
5684 | ||
5685 | ||
5686 | static struct wpa_scan_results * | |
5687 | nl80211_get_scan_results(struct wpa_driver_nl80211_data *drv) | |
5688 | { | |
5689 | struct nl_msg *msg; | |
5690 | struct wpa_scan_results *res; | |
5691 | int ret; | |
5692 | struct nl80211_bss_info_arg arg; | |
5693 | ||
5694 | res = os_zalloc(sizeof(*res)); | |
5695 | if (res == NULL) | |
5696 | return NULL; | |
5697 | msg = nlmsg_alloc(); | |
5698 | if (!msg) | |
5699 | goto nla_put_failure; | |
5700 | ||
5701 | nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SCAN); | |
5702 | if (nl80211_set_iface_id(msg, drv->first_bss) < 0) | |
5703 | goto nla_put_failure; | |
5704 | ||
5705 | arg.drv = drv; | |
5706 | arg.res = res; | |
5707 | ret = send_and_recv_msgs(drv, msg, bss_info_handler, &arg); | |
5708 | msg = NULL; | |
5709 | if (ret == 0) { | |
5710 | wpa_printf(MSG_DEBUG, "nl80211: Received scan results (%lu " | |
5711 | "BSSes)", (unsigned long) res->num); | |
5712 | nl80211_get_noise_for_scan_results(drv, res); | |
5713 | return res; | |
5714 | } | |
5715 | wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d " | |
5716 | "(%s)", ret, strerror(-ret)); | |
5717 | nla_put_failure: | |
5718 | nlmsg_free(msg); | |
5719 | wpa_scan_results_free(res); | |
5720 | return NULL; | |
5721 | } | |
5722 | ||
5723 | ||
5724 | /** | |
5725 | * wpa_driver_nl80211_get_scan_results - Fetch the latest scan results | |
5726 | * @priv: Pointer to private wext data from wpa_driver_nl80211_init() | |
5727 | * Returns: Scan results on success, -1 on failure | |
5728 | */ | |
5729 | static struct wpa_scan_results * | |
5730 | wpa_driver_nl80211_get_scan_results(void *priv) | |
5731 | { | |
5732 | struct i802_bss *bss = priv; | |
5733 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
5734 | struct wpa_scan_results *res; | |
5735 | ||
5736 | res = nl80211_get_scan_results(drv); | |
5737 | if (res) | |
5738 | wpa_driver_nl80211_check_bss_status(drv, res); | |
5739 | return res; | |
5740 | } | |
5741 | ||
5742 | ||
5743 | static void nl80211_dump_scan(struct wpa_driver_nl80211_data *drv) | |
5744 | { | |
5745 | struct wpa_scan_results *res; | |
5746 | size_t i; | |
5747 | ||
5748 | res = nl80211_get_scan_results(drv); | |
5749 | if (res == NULL) { | |
5750 | wpa_printf(MSG_DEBUG, "nl80211: Failed to get scan results"); | |
5751 | return; | |
5752 | } | |
5753 | ||
5754 | wpa_printf(MSG_DEBUG, "nl80211: Scan result dump"); | |
5755 | for (i = 0; i < res->num; i++) { | |
5756 | struct wpa_scan_res *r = res->res[i]; | |
5757 | wpa_printf(MSG_DEBUG, "nl80211: %d/%d " MACSTR "%s%s", | |
5758 | (int) i, (int) res->num, MAC2STR(r->bssid), | |
5759 | r->flags & WPA_SCAN_AUTHENTICATED ? " [auth]" : "", | |
5760 | r->flags & WPA_SCAN_ASSOCIATED ? " [assoc]" : ""); | |
5761 | } | |
5762 | ||
5763 | wpa_scan_results_free(res); | |
5764 | } | |
5765 | ||
5766 | ||
5767 | static u32 wpa_alg_to_cipher_suite(enum wpa_alg alg, size_t key_len) | |
5768 | { | |
5769 | switch (alg) { | |
5770 | case WPA_ALG_WEP: | |
5771 | if (key_len == 5) | |
5772 | return WLAN_CIPHER_SUITE_WEP40; | |
5773 | return WLAN_CIPHER_SUITE_WEP104; | |
5774 | case WPA_ALG_TKIP: | |
5775 | return WLAN_CIPHER_SUITE_TKIP; | |
5776 | case WPA_ALG_CCMP: | |
5777 | return WLAN_CIPHER_SUITE_CCMP; | |
5778 | case WPA_ALG_GCMP: | |
5779 | return WLAN_CIPHER_SUITE_GCMP; | |
5780 | case WPA_ALG_CCMP_256: | |
5781 | return WLAN_CIPHER_SUITE_CCMP_256; | |
5782 | case WPA_ALG_GCMP_256: | |
5783 | return WLAN_CIPHER_SUITE_GCMP_256; | |
5784 | case WPA_ALG_IGTK: | |
5785 | return WLAN_CIPHER_SUITE_AES_CMAC; | |
5786 | case WPA_ALG_BIP_GMAC_128: | |
5787 | return WLAN_CIPHER_SUITE_BIP_GMAC_128; | |
5788 | case WPA_ALG_BIP_GMAC_256: | |
5789 | return WLAN_CIPHER_SUITE_BIP_GMAC_256; | |
5790 | case WPA_ALG_BIP_CMAC_256: | |
5791 | return WLAN_CIPHER_SUITE_BIP_CMAC_256; | |
5792 | case WPA_ALG_SMS4: | |
5793 | return WLAN_CIPHER_SUITE_SMS4; | |
5794 | case WPA_ALG_KRK: | |
5795 | return WLAN_CIPHER_SUITE_KRK; | |
5796 | case WPA_ALG_NONE: | |
5797 | case WPA_ALG_PMK: | |
5798 | wpa_printf(MSG_ERROR, "nl80211: Unexpected encryption algorithm %d", | |
5799 | alg); | |
5800 | return 0; | |
5801 | } | |
5802 | ||
5803 | wpa_printf(MSG_ERROR, "nl80211: Unsupported encryption algorithm %d", | |
5804 | alg); | |
5805 | return 0; | |
5806 | } | |
5807 | ||
5808 | ||
5809 | static u32 wpa_cipher_to_cipher_suite(unsigned int cipher) | |
5810 | { | |
5811 | switch (cipher) { | |
5812 | case WPA_CIPHER_CCMP_256: | |
5813 | return WLAN_CIPHER_SUITE_CCMP_256; | |
5814 | case WPA_CIPHER_GCMP_256: | |
5815 | return WLAN_CIPHER_SUITE_GCMP_256; | |
5816 | case WPA_CIPHER_CCMP: | |
5817 | return WLAN_CIPHER_SUITE_CCMP; | |
5818 | case WPA_CIPHER_GCMP: | |
5819 | return WLAN_CIPHER_SUITE_GCMP; | |
5820 | case WPA_CIPHER_TKIP: | |
5821 | return WLAN_CIPHER_SUITE_TKIP; | |
5822 | case WPA_CIPHER_WEP104: | |
5823 | return WLAN_CIPHER_SUITE_WEP104; | |
5824 | case WPA_CIPHER_WEP40: | |
5825 | return WLAN_CIPHER_SUITE_WEP40; | |
5826 | case WPA_CIPHER_GTK_NOT_USED: | |
5827 | return WLAN_CIPHER_SUITE_NO_GROUP_ADDR; | |
5828 | } | |
5829 | ||
5830 | return 0; | |
5831 | } | |
5832 | ||
5833 | ||
5834 | static int wpa_cipher_to_cipher_suites(unsigned int ciphers, u32 suites[], | |
5835 | int max_suites) | |
5836 | { | |
5837 | int num_suites = 0; | |
5838 | ||
5839 | if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP_256) | |
5840 | suites[num_suites++] = WLAN_CIPHER_SUITE_CCMP_256; | |
5841 | if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP_256) | |
5842 | suites[num_suites++] = WLAN_CIPHER_SUITE_GCMP_256; | |
5843 | if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP) | |
5844 | suites[num_suites++] = WLAN_CIPHER_SUITE_CCMP; | |
5845 | if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP) | |
5846 | suites[num_suites++] = WLAN_CIPHER_SUITE_GCMP; | |
5847 | if (num_suites < max_suites && ciphers & WPA_CIPHER_TKIP) | |
5848 | suites[num_suites++] = WLAN_CIPHER_SUITE_TKIP; | |
5849 | if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP104) | |
5850 | suites[num_suites++] = WLAN_CIPHER_SUITE_WEP104; | |
5851 | if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP40) | |
5852 | suites[num_suites++] = WLAN_CIPHER_SUITE_WEP40; | |
5853 | ||
5854 | return num_suites; | |
5855 | } | |
5856 | ||
5857 | ||
5858 | static int wpa_driver_nl80211_set_key(const char *ifname, struct i802_bss *bss, | |
5859 | enum wpa_alg alg, const u8 *addr, | |
5860 | int key_idx, int set_tx, | |
5861 | const u8 *seq, size_t seq_len, | |
5862 | const u8 *key, size_t key_len) | |
5863 | { | |
5864 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
5865 | int ifindex; | |
5866 | struct nl_msg *msg; | |
5867 | int ret; | |
5868 | int tdls = 0; | |
5869 | ||
5870 | /* Ignore for P2P Device */ | |
5871 | if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) | |
5872 | return 0; | |
5873 | ||
5874 | ifindex = if_nametoindex(ifname); | |
5875 | wpa_printf(MSG_DEBUG, "%s: ifindex=%d (%s) alg=%d addr=%p key_idx=%d " | |
5876 | "set_tx=%d seq_len=%lu key_len=%lu", | |
5877 | __func__, ifindex, ifname, alg, addr, key_idx, set_tx, | |
5878 | (unsigned long) seq_len, (unsigned long) key_len); | |
5879 | #ifdef CONFIG_TDLS | |
5880 | if (key_idx == -1) { | |
5881 | key_idx = 0; | |
5882 | tdls = 1; | |
5883 | } | |
5884 | #endif /* CONFIG_TDLS */ | |
5885 | ||
5886 | msg = nlmsg_alloc(); | |
5887 | if (!msg) | |
5888 | return -ENOMEM; | |
5889 | ||
5890 | if (alg == WPA_ALG_NONE) { | |
5891 | nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_KEY); | |
5892 | } else { | |
5893 | nl80211_cmd(drv, msg, 0, NL80211_CMD_NEW_KEY); | |
5894 | NLA_PUT(msg, NL80211_ATTR_KEY_DATA, key_len, key); | |
5895 | wpa_hexdump_key(MSG_DEBUG, "nl80211: KEY_DATA", key, key_len); | |
5896 | NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER, | |
5897 | wpa_alg_to_cipher_suite(alg, key_len)); | |
5898 | } | |
5899 | ||
5900 | if (seq && seq_len) { | |
5901 | NLA_PUT(msg, NL80211_ATTR_KEY_SEQ, seq_len, seq); | |
5902 | wpa_hexdump(MSG_DEBUG, "nl80211: KEY_SEQ", seq, seq_len); | |
5903 | } | |
5904 | ||
5905 | if (addr && !is_broadcast_ether_addr(addr)) { | |
5906 | wpa_printf(MSG_DEBUG, " addr=" MACSTR, MAC2STR(addr)); | |
5907 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); | |
5908 | ||
5909 | if (alg != WPA_ALG_WEP && key_idx && !set_tx) { | |
5910 | wpa_printf(MSG_DEBUG, " RSN IBSS RX GTK"); | |
5911 | NLA_PUT_U32(msg, NL80211_ATTR_KEY_TYPE, | |
5912 | NL80211_KEYTYPE_GROUP); | |
5913 | } | |
5914 | } else if (addr && is_broadcast_ether_addr(addr)) { | |
5915 | struct nlattr *types; | |
5916 | ||
5917 | wpa_printf(MSG_DEBUG, " broadcast key"); | |
5918 | ||
5919 | types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES); | |
5920 | if (!types) | |
5921 | goto nla_put_failure; | |
5922 | NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST); | |
5923 | nla_nest_end(msg, types); | |
5924 | } | |
5925 | NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx); | |
5926 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex); | |
5927 | ||
5928 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
5929 | if ((ret == -ENOENT || ret == -ENOLINK) && alg == WPA_ALG_NONE) | |
5930 | ret = 0; | |
5931 | if (ret) | |
5932 | wpa_printf(MSG_DEBUG, "nl80211: set_key failed; err=%d %s)", | |
5933 | ret, strerror(-ret)); | |
5934 | ||
5935 | /* | |
5936 | * If we failed or don't need to set the default TX key (below), | |
5937 | * we're done here. | |
5938 | */ | |
5939 | if (ret || !set_tx || alg == WPA_ALG_NONE || tdls) | |
5940 | return ret; | |
5941 | if (is_ap_interface(drv->nlmode) && addr && | |
5942 | !is_broadcast_ether_addr(addr)) | |
5943 | return ret; | |
5944 | ||
5945 | msg = nlmsg_alloc(); | |
5946 | if (!msg) | |
5947 | return -ENOMEM; | |
5948 | ||
5949 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_KEY); | |
5950 | NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx); | |
5951 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex); | |
5952 | if (alg == WPA_ALG_IGTK) | |
5953 | NLA_PUT_FLAG(msg, NL80211_ATTR_KEY_DEFAULT_MGMT); | |
5954 | else | |
5955 | NLA_PUT_FLAG(msg, NL80211_ATTR_KEY_DEFAULT); | |
5956 | if (addr && is_broadcast_ether_addr(addr)) { | |
5957 | struct nlattr *types; | |
5958 | ||
5959 | types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES); | |
5960 | if (!types) | |
5961 | goto nla_put_failure; | |
5962 | NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST); | |
5963 | nla_nest_end(msg, types); | |
5964 | } else if (addr) { | |
5965 | struct nlattr *types; | |
5966 | ||
5967 | types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES); | |
5968 | if (!types) | |
5969 | goto nla_put_failure; | |
5970 | NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT_TYPE_UNICAST); | |
5971 | nla_nest_end(msg, types); | |
5972 | } | |
5973 | ||
5974 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
5975 | if (ret == -ENOENT) | |
5976 | ret = 0; | |
5977 | if (ret) | |
5978 | wpa_printf(MSG_DEBUG, "nl80211: set_key default failed; " | |
5979 | "err=%d %s)", ret, strerror(-ret)); | |
5980 | return ret; | |
5981 | ||
5982 | nla_put_failure: | |
5983 | nlmsg_free(msg); | |
5984 | return -ENOBUFS; | |
5985 | } | |
5986 | ||
5987 | ||
5988 | static int nl_add_key(struct nl_msg *msg, enum wpa_alg alg, | |
5989 | int key_idx, int defkey, | |
5990 | const u8 *seq, size_t seq_len, | |
5991 | const u8 *key, size_t key_len) | |
5992 | { | |
5993 | struct nlattr *key_attr = nla_nest_start(msg, NL80211_ATTR_KEY); | |
5994 | if (!key_attr) | |
5995 | return -1; | |
5996 | ||
5997 | if (defkey && alg == WPA_ALG_IGTK) | |
5998 | NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT_MGMT); | |
5999 | else if (defkey) | |
6000 | NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT); | |
6001 | ||
6002 | NLA_PUT_U8(msg, NL80211_KEY_IDX, key_idx); | |
6003 | ||
6004 | NLA_PUT_U32(msg, NL80211_KEY_CIPHER, | |
6005 | wpa_alg_to_cipher_suite(alg, key_len)); | |
6006 | ||
6007 | if (seq && seq_len) | |
6008 | NLA_PUT(msg, NL80211_KEY_SEQ, seq_len, seq); | |
6009 | ||
6010 | NLA_PUT(msg, NL80211_KEY_DATA, key_len, key); | |
6011 | ||
6012 | nla_nest_end(msg, key_attr); | |
6013 | ||
6014 | return 0; | |
6015 | nla_put_failure: | |
6016 | return -1; | |
6017 | } | |
6018 | ||
6019 | ||
6020 | static int nl80211_set_conn_keys(struct wpa_driver_associate_params *params, | |
6021 | struct nl_msg *msg) | |
6022 | { | |
6023 | int i, privacy = 0; | |
6024 | struct nlattr *nl_keys, *nl_key; | |
6025 | ||
6026 | for (i = 0; i < 4; i++) { | |
6027 | if (!params->wep_key[i]) | |
6028 | continue; | |
6029 | privacy = 1; | |
6030 | break; | |
6031 | } | |
6032 | if (params->wps == WPS_MODE_PRIVACY) | |
6033 | privacy = 1; | |
6034 | if (params->pairwise_suite && | |
6035 | params->pairwise_suite != WPA_CIPHER_NONE) | |
6036 | privacy = 1; | |
6037 | ||
6038 | if (!privacy) | |
6039 | return 0; | |
6040 | ||
6041 | NLA_PUT_FLAG(msg, NL80211_ATTR_PRIVACY); | |
6042 | ||
6043 | nl_keys = nla_nest_start(msg, NL80211_ATTR_KEYS); | |
6044 | if (!nl_keys) | |
6045 | goto nla_put_failure; | |
6046 | ||
6047 | for (i = 0; i < 4; i++) { | |
6048 | if (!params->wep_key[i]) | |
6049 | continue; | |
6050 | ||
6051 | nl_key = nla_nest_start(msg, i); | |
6052 | if (!nl_key) | |
6053 | goto nla_put_failure; | |
6054 | ||
6055 | NLA_PUT(msg, NL80211_KEY_DATA, params->wep_key_len[i], | |
6056 | params->wep_key[i]); | |
6057 | if (params->wep_key_len[i] == 5) | |
6058 | NLA_PUT_U32(msg, NL80211_KEY_CIPHER, | |
6059 | WLAN_CIPHER_SUITE_WEP40); | |
6060 | else | |
6061 | NLA_PUT_U32(msg, NL80211_KEY_CIPHER, | |
6062 | WLAN_CIPHER_SUITE_WEP104); | |
6063 | ||
6064 | NLA_PUT_U8(msg, NL80211_KEY_IDX, i); | |
6065 | ||
6066 | if (i == params->wep_tx_keyidx) | |
6067 | NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT); | |
6068 | ||
6069 | nla_nest_end(msg, nl_key); | |
6070 | } | |
6071 | nla_nest_end(msg, nl_keys); | |
6072 | ||
6073 | return 0; | |
6074 | ||
6075 | nla_put_failure: | |
6076 | return -ENOBUFS; | |
6077 | } | |
6078 | ||
6079 | ||
6080 | static int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv, | |
6081 | const u8 *addr, int cmd, u16 reason_code, | |
6082 | int local_state_change) | |
6083 | { | |
6084 | int ret = -1; | |
6085 | struct nl_msg *msg; | |
6086 | ||
6087 | msg = nlmsg_alloc(); | |
6088 | if (!msg) | |
6089 | return -1; | |
6090 | ||
6091 | nl80211_cmd(drv, msg, 0, cmd); | |
6092 | ||
6093 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
6094 | NLA_PUT_U16(msg, NL80211_ATTR_REASON_CODE, reason_code); | |
6095 | if (addr) | |
6096 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); | |
6097 | if (local_state_change) | |
6098 | NLA_PUT_FLAG(msg, NL80211_ATTR_LOCAL_STATE_CHANGE); | |
6099 | ||
6100 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
6101 | msg = NULL; | |
6102 | if (ret) { | |
6103 | wpa_dbg(drv->ctx, MSG_DEBUG, | |
6104 | "nl80211: MLME command failed: reason=%u ret=%d (%s)", | |
6105 | reason_code, ret, strerror(-ret)); | |
6106 | goto nla_put_failure; | |
6107 | } | |
6108 | ret = 0; | |
6109 | ||
6110 | nla_put_failure: | |
6111 | nlmsg_free(msg); | |
6112 | return ret; | |
6113 | } | |
6114 | ||
6115 | ||
6116 | static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data *drv, | |
6117 | int reason_code) | |
6118 | { | |
6119 | int ret; | |
6120 | ||
6121 | wpa_printf(MSG_DEBUG, "%s(reason_code=%d)", __func__, reason_code); | |
6122 | nl80211_mark_disconnected(drv); | |
6123 | /* Disconnect command doesn't need BSSID - it uses cached value */ | |
6124 | ret = wpa_driver_nl80211_mlme(drv, NULL, NL80211_CMD_DISCONNECT, | |
6125 | reason_code, 0); | |
6126 | /* | |
6127 | * For locally generated disconnect, supplicant already generates a | |
6128 | * DEAUTH event, so ignore the event from NL80211. | |
6129 | */ | |
6130 | drv->ignore_next_local_disconnect = ret == 0; | |
6131 | ||
6132 | return ret; | |
6133 | } | |
6134 | ||
6135 | ||
6136 | static int wpa_driver_nl80211_deauthenticate(struct i802_bss *bss, | |
6137 | const u8 *addr, int reason_code) | |
6138 | { | |
6139 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
6140 | int ret; | |
6141 | ||
6142 | if (drv->nlmode == NL80211_IFTYPE_ADHOC) { | |
6143 | nl80211_mark_disconnected(drv); | |
6144 | return nl80211_leave_ibss(drv); | |
6145 | } | |
6146 | if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) | |
6147 | return wpa_driver_nl80211_disconnect(drv, reason_code); | |
6148 | wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)", | |
6149 | __func__, MAC2STR(addr), reason_code); | |
6150 | nl80211_mark_disconnected(drv); | |
6151 | ret = wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DEAUTHENTICATE, | |
6152 | reason_code, 0); | |
6153 | /* | |
6154 | * For locally generated deauthenticate, supplicant already generates a | |
6155 | * DEAUTH event, so ignore the event from NL80211. | |
6156 | */ | |
6157 | drv->ignore_next_local_deauth = ret == 0; | |
6158 | return ret; | |
6159 | } | |
6160 | ||
6161 | ||
6162 | static void nl80211_copy_auth_params(struct wpa_driver_nl80211_data *drv, | |
6163 | struct wpa_driver_auth_params *params) | |
6164 | { | |
6165 | int i; | |
6166 | ||
6167 | drv->auth_freq = params->freq; | |
6168 | drv->auth_alg = params->auth_alg; | |
6169 | drv->auth_wep_tx_keyidx = params->wep_tx_keyidx; | |
6170 | drv->auth_local_state_change = params->local_state_change; | |
6171 | drv->auth_p2p = params->p2p; | |
6172 | ||
6173 | if (params->bssid) | |
6174 | os_memcpy(drv->auth_bssid_, params->bssid, ETH_ALEN); | |
6175 | else | |
6176 | os_memset(drv->auth_bssid_, 0, ETH_ALEN); | |
6177 | ||
6178 | if (params->ssid) { | |
6179 | os_memcpy(drv->auth_ssid, params->ssid, params->ssid_len); | |
6180 | drv->auth_ssid_len = params->ssid_len; | |
6181 | } else | |
6182 | drv->auth_ssid_len = 0; | |
6183 | ||
6184 | ||
6185 | os_free(drv->auth_ie); | |
6186 | drv->auth_ie = NULL; | |
6187 | drv->auth_ie_len = 0; | |
6188 | if (params->ie) { | |
6189 | drv->auth_ie = os_malloc(params->ie_len); | |
6190 | if (drv->auth_ie) { | |
6191 | os_memcpy(drv->auth_ie, params->ie, params->ie_len); | |
6192 | drv->auth_ie_len = params->ie_len; | |
6193 | } | |
6194 | } | |
6195 | ||
6196 | for (i = 0; i < 4; i++) { | |
6197 | if (params->wep_key[i] && params->wep_key_len[i] && | |
6198 | params->wep_key_len[i] <= 16) { | |
6199 | os_memcpy(drv->auth_wep_key[i], params->wep_key[i], | |
6200 | params->wep_key_len[i]); | |
6201 | drv->auth_wep_key_len[i] = params->wep_key_len[i]; | |
6202 | } else | |
6203 | drv->auth_wep_key_len[i] = 0; | |
6204 | } | |
6205 | } | |
6206 | ||
6207 | ||
6208 | static int wpa_driver_nl80211_authenticate( | |
6209 | struct i802_bss *bss, struct wpa_driver_auth_params *params) | |
6210 | { | |
6211 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
6212 | int ret = -1, i; | |
6213 | struct nl_msg *msg; | |
6214 | enum nl80211_auth_type type; | |
6215 | enum nl80211_iftype nlmode; | |
6216 | int count = 0; | |
6217 | int is_retry; | |
6218 | ||
6219 | is_retry = drv->retry_auth; | |
6220 | drv->retry_auth = 0; | |
6221 | drv->ignore_deauth_event = 0; | |
6222 | ||
6223 | nl80211_mark_disconnected(drv); | |
6224 | os_memset(drv->auth_bssid, 0, ETH_ALEN); | |
6225 | if (params->bssid) | |
6226 | os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN); | |
6227 | else | |
6228 | os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN); | |
6229 | /* FIX: IBSS mode */ | |
6230 | nlmode = params->p2p ? | |
6231 | NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION; | |
6232 | if (drv->nlmode != nlmode && | |
6233 | wpa_driver_nl80211_set_mode(bss, nlmode) < 0) | |
6234 | return -1; | |
6235 | ||
6236 | retry: | |
6237 | msg = nlmsg_alloc(); | |
6238 | if (!msg) | |
6239 | return -1; | |
6240 | ||
6241 | wpa_printf(MSG_DEBUG, "nl80211: Authenticate (ifindex=%d)", | |
6242 | drv->ifindex); | |
6243 | ||
6244 | nl80211_cmd(drv, msg, 0, NL80211_CMD_AUTHENTICATE); | |
6245 | ||
6246 | for (i = 0; i < 4; i++) { | |
6247 | if (!params->wep_key[i]) | |
6248 | continue; | |
6249 | wpa_driver_nl80211_set_key(bss->ifname, bss, WPA_ALG_WEP, | |
6250 | NULL, i, | |
6251 | i == params->wep_tx_keyidx, NULL, 0, | |
6252 | params->wep_key[i], | |
6253 | params->wep_key_len[i]); | |
6254 | if (params->wep_tx_keyidx != i) | |
6255 | continue; | |
6256 | if (nl_add_key(msg, WPA_ALG_WEP, i, 1, NULL, 0, | |
6257 | params->wep_key[i], params->wep_key_len[i])) { | |
6258 | nlmsg_free(msg); | |
6259 | return -1; | |
6260 | } | |
6261 | } | |
6262 | ||
6263 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
6264 | if (params->bssid) { | |
6265 | wpa_printf(MSG_DEBUG, " * bssid=" MACSTR, | |
6266 | MAC2STR(params->bssid)); | |
6267 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid); | |
6268 | } | |
6269 | if (params->freq) { | |
6270 | wpa_printf(MSG_DEBUG, " * freq=%d", params->freq); | |
6271 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq); | |
6272 | } | |
6273 | if (params->ssid) { | |
6274 | wpa_hexdump_ascii(MSG_DEBUG, " * SSID", | |
6275 | params->ssid, params->ssid_len); | |
6276 | NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len, | |
6277 | params->ssid); | |
6278 | } | |
6279 | wpa_hexdump(MSG_DEBUG, " * IEs", params->ie, params->ie_len); | |
6280 | if (params->ie) | |
6281 | NLA_PUT(msg, NL80211_ATTR_IE, params->ie_len, params->ie); | |
6282 | if (params->sae_data) { | |
6283 | wpa_hexdump(MSG_DEBUG, " * SAE data", params->sae_data, | |
6284 | params->sae_data_len); | |
6285 | NLA_PUT(msg, NL80211_ATTR_SAE_DATA, params->sae_data_len, | |
6286 | params->sae_data); | |
6287 | } | |
6288 | if (params->auth_alg & WPA_AUTH_ALG_OPEN) | |
6289 | type = NL80211_AUTHTYPE_OPEN_SYSTEM; | |
6290 | else if (params->auth_alg & WPA_AUTH_ALG_SHARED) | |
6291 | type = NL80211_AUTHTYPE_SHARED_KEY; | |
6292 | else if (params->auth_alg & WPA_AUTH_ALG_LEAP) | |
6293 | type = NL80211_AUTHTYPE_NETWORK_EAP; | |
6294 | else if (params->auth_alg & WPA_AUTH_ALG_FT) | |
6295 | type = NL80211_AUTHTYPE_FT; | |
6296 | else if (params->auth_alg & WPA_AUTH_ALG_SAE) | |
6297 | type = NL80211_AUTHTYPE_SAE; | |
6298 | else | |
6299 | goto nla_put_failure; | |
6300 | wpa_printf(MSG_DEBUG, " * Auth Type %d", type); | |
6301 | NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE, type); | |
6302 | if (params->local_state_change) { | |
6303 | wpa_printf(MSG_DEBUG, " * Local state change only"); | |
6304 | NLA_PUT_FLAG(msg, NL80211_ATTR_LOCAL_STATE_CHANGE); | |
6305 | } | |
6306 | ||
6307 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
6308 | msg = NULL; | |
6309 | if (ret) { | |
6310 | wpa_dbg(drv->ctx, MSG_DEBUG, | |
6311 | "nl80211: MLME command failed (auth): ret=%d (%s)", | |
6312 | ret, strerror(-ret)); | |
6313 | count++; | |
6314 | if (ret == -EALREADY && count == 1 && params->bssid && | |
6315 | !params->local_state_change) { | |
6316 | /* | |
6317 | * mac80211 does not currently accept new | |
6318 | * authentication if we are already authenticated. As a | |
6319 | * workaround, force deauthentication and try again. | |
6320 | */ | |
6321 | wpa_printf(MSG_DEBUG, "nl80211: Retry authentication " | |
6322 | "after forced deauthentication"); | |
6323 | drv->ignore_deauth_event = 1; | |
6324 | wpa_driver_nl80211_deauthenticate( | |
6325 | bss, params->bssid, | |
6326 | WLAN_REASON_PREV_AUTH_NOT_VALID); | |
6327 | nlmsg_free(msg); | |
6328 | goto retry; | |
6329 | } | |
6330 | ||
6331 | if (ret == -ENOENT && params->freq && !is_retry) { | |
6332 | /* | |
6333 | * cfg80211 has likely expired the BSS entry even | |
6334 | * though it was previously available in our internal | |
6335 | * BSS table. To recover quickly, start a single | |
6336 | * channel scan on the specified channel. | |
6337 | */ | |
6338 | struct wpa_driver_scan_params scan; | |
6339 | int freqs[2]; | |
6340 | ||
6341 | os_memset(&scan, 0, sizeof(scan)); | |
6342 | scan.num_ssids = 1; | |
6343 | if (params->ssid) { | |
6344 | scan.ssids[0].ssid = params->ssid; | |
6345 | scan.ssids[0].ssid_len = params->ssid_len; | |
6346 | } | |
6347 | freqs[0] = params->freq; | |
6348 | freqs[1] = 0; | |
6349 | scan.freqs = freqs; | |
6350 | wpa_printf(MSG_DEBUG, "nl80211: Trigger single " | |
6351 | "channel scan to refresh cfg80211 BSS " | |
6352 | "entry"); | |
6353 | ret = wpa_driver_nl80211_scan(bss, &scan); | |
6354 | if (ret == 0) { | |
6355 | nl80211_copy_auth_params(drv, params); | |
6356 | drv->scan_for_auth = 1; | |
6357 | } | |
6358 | } else if (is_retry) { | |
6359 | /* | |
6360 | * Need to indicate this with an event since the return | |
6361 | * value from the retry is not delivered to core code. | |
6362 | */ | |
6363 | union wpa_event_data event; | |
6364 | wpa_printf(MSG_DEBUG, "nl80211: Authentication retry " | |
6365 | "failed"); | |
6366 | os_memset(&event, 0, sizeof(event)); | |
6367 | os_memcpy(event.timeout_event.addr, drv->auth_bssid_, | |
6368 | ETH_ALEN); | |
6369 | wpa_supplicant_event(drv->ctx, EVENT_AUTH_TIMED_OUT, | |
6370 | &event); | |
6371 | } | |
6372 | ||
6373 | goto nla_put_failure; | |
6374 | } | |
6375 | ret = 0; | |
6376 | wpa_printf(MSG_DEBUG, "nl80211: Authentication request send " | |
6377 | "successfully"); | |
6378 | ||
6379 | nla_put_failure: | |
6380 | nlmsg_free(msg); | |
6381 | return ret; | |
6382 | } | |
6383 | ||
6384 | ||
6385 | static int wpa_driver_nl80211_authenticate_retry( | |
6386 | struct wpa_driver_nl80211_data *drv) | |
6387 | { | |
6388 | struct wpa_driver_auth_params params; | |
6389 | struct i802_bss *bss = drv->first_bss; | |
6390 | int i; | |
6391 | ||
6392 | wpa_printf(MSG_DEBUG, "nl80211: Try to authenticate again"); | |
6393 | ||
6394 | os_memset(¶ms, 0, sizeof(params)); | |
6395 | params.freq = drv->auth_freq; | |
6396 | params.auth_alg = drv->auth_alg; | |
6397 | params.wep_tx_keyidx = drv->auth_wep_tx_keyidx; | |
6398 | params.local_state_change = drv->auth_local_state_change; | |
6399 | params.p2p = drv->auth_p2p; | |
6400 | ||
6401 | if (!is_zero_ether_addr(drv->auth_bssid_)) | |
6402 | params.bssid = drv->auth_bssid_; | |
6403 | ||
6404 | if (drv->auth_ssid_len) { | |
6405 | params.ssid = drv->auth_ssid; | |
6406 | params.ssid_len = drv->auth_ssid_len; | |
6407 | } | |
6408 | ||
6409 | params.ie = drv->auth_ie; | |
6410 | params.ie_len = drv->auth_ie_len; | |
6411 | ||
6412 | for (i = 0; i < 4; i++) { | |
6413 | if (drv->auth_wep_key_len[i]) { | |
6414 | params.wep_key[i] = drv->auth_wep_key[i]; | |
6415 | params.wep_key_len[i] = drv->auth_wep_key_len[i]; | |
6416 | } | |
6417 | } | |
6418 | ||
6419 | drv->retry_auth = 1; | |
6420 | return wpa_driver_nl80211_authenticate(bss, ¶ms); | |
6421 | } | |
6422 | ||
6423 | ||
6424 | struct phy_info_arg { | |
6425 | u16 *num_modes; | |
6426 | struct hostapd_hw_modes *modes; | |
6427 | int last_mode, last_chan_idx; | |
6428 | }; | |
6429 | ||
6430 | static void phy_info_ht_capa(struct hostapd_hw_modes *mode, struct nlattr *capa, | |
6431 | struct nlattr *ampdu_factor, | |
6432 | struct nlattr *ampdu_density, | |
6433 | struct nlattr *mcs_set) | |
6434 | { | |
6435 | if (capa) | |
6436 | mode->ht_capab = nla_get_u16(capa); | |
6437 | ||
6438 | if (ampdu_factor) | |
6439 | mode->a_mpdu_params |= nla_get_u8(ampdu_factor) & 0x03; | |
6440 | ||
6441 | if (ampdu_density) | |
6442 | mode->a_mpdu_params |= nla_get_u8(ampdu_density) << 2; | |
6443 | ||
6444 | if (mcs_set && nla_len(mcs_set) >= 16) { | |
6445 | u8 *mcs; | |
6446 | mcs = nla_data(mcs_set); | |
6447 | os_memcpy(mode->mcs_set, mcs, 16); | |
6448 | } | |
6449 | } | |
6450 | ||
6451 | ||
6452 | static void phy_info_vht_capa(struct hostapd_hw_modes *mode, | |
6453 | struct nlattr *capa, | |
6454 | struct nlattr *mcs_set) | |
6455 | { | |
6456 | if (capa) | |
6457 | mode->vht_capab = nla_get_u32(capa); | |
6458 | ||
6459 | if (mcs_set && nla_len(mcs_set) >= 8) { | |
6460 | u8 *mcs; | |
6461 | mcs = nla_data(mcs_set); | |
6462 | os_memcpy(mode->vht_mcs_set, mcs, 8); | |
6463 | } | |
6464 | } | |
6465 | ||
6466 | ||
6467 | static void phy_info_freq(struct hostapd_hw_modes *mode, | |
6468 | struct hostapd_channel_data *chan, | |
6469 | struct nlattr *tb_freq[]) | |
6470 | { | |
6471 | u8 channel; | |
6472 | chan->freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]); | |
6473 | chan->flag = 0; | |
6474 | chan->dfs_cac_ms = 0; | |
6475 | if (ieee80211_freq_to_chan(chan->freq, &channel) != NUM_HOSTAPD_MODES) | |
6476 | chan->chan = channel; | |
6477 | ||
6478 | if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED]) | |
6479 | chan->flag |= HOSTAPD_CHAN_DISABLED; | |
6480 | if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IR]) | |
6481 | chan->flag |= HOSTAPD_CHAN_PASSIVE_SCAN | HOSTAPD_CHAN_NO_IBSS; | |
6482 | if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR]) | |
6483 | chan->flag |= HOSTAPD_CHAN_RADAR; | |
6484 | ||
6485 | if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]) { | |
6486 | enum nl80211_dfs_state state = | |
6487 | nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]); | |
6488 | ||
6489 | switch (state) { | |
6490 | case NL80211_DFS_USABLE: | |
6491 | chan->flag |= HOSTAPD_CHAN_DFS_USABLE; | |
6492 | break; | |
6493 | case NL80211_DFS_AVAILABLE: | |
6494 | chan->flag |= HOSTAPD_CHAN_DFS_AVAILABLE; | |
6495 | break; | |
6496 | case NL80211_DFS_UNAVAILABLE: | |
6497 | chan->flag |= HOSTAPD_CHAN_DFS_UNAVAILABLE; | |
6498 | break; | |
6499 | } | |
6500 | } | |
6501 | ||
6502 | if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]) { | |
6503 | chan->dfs_cac_ms = nla_get_u32( | |
6504 | tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]); | |
6505 | } | |
6506 | } | |
6507 | ||
6508 | ||
6509 | static int phy_info_freqs(struct phy_info_arg *phy_info, | |
6510 | struct hostapd_hw_modes *mode, struct nlattr *tb) | |
6511 | { | |
6512 | static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = { | |
6513 | [NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 }, | |
6514 | [NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG }, | |
6515 | [NL80211_FREQUENCY_ATTR_NO_IR] = { .type = NLA_FLAG }, | |
6516 | [NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG }, | |
6517 | [NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 }, | |
6518 | [NL80211_FREQUENCY_ATTR_DFS_STATE] = { .type = NLA_U32 }, | |
6519 | }; | |
6520 | int new_channels = 0; | |
6521 | struct hostapd_channel_data *channel; | |
6522 | struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1]; | |
6523 | struct nlattr *nl_freq; | |
6524 | int rem_freq, idx; | |
6525 | ||
6526 | if (tb == NULL) | |
6527 | return NL_OK; | |
6528 | ||
6529 | nla_for_each_nested(nl_freq, tb, rem_freq) { | |
6530 | nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX, | |
6531 | nla_data(nl_freq), nla_len(nl_freq), freq_policy); | |
6532 | if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ]) | |
6533 | continue; | |
6534 | new_channels++; | |
6535 | } | |
6536 | ||
6537 | channel = os_realloc_array(mode->channels, | |
6538 | mode->num_channels + new_channels, | |
6539 | sizeof(struct hostapd_channel_data)); | |
6540 | if (!channel) | |
6541 | return NL_SKIP; | |
6542 | ||
6543 | mode->channels = channel; | |
6544 | mode->num_channels += new_channels; | |
6545 | ||
6546 | idx = phy_info->last_chan_idx; | |
6547 | ||
6548 | nla_for_each_nested(nl_freq, tb, rem_freq) { | |
6549 | nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX, | |
6550 | nla_data(nl_freq), nla_len(nl_freq), freq_policy); | |
6551 | if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ]) | |
6552 | continue; | |
6553 | phy_info_freq(mode, &mode->channels[idx], tb_freq); | |
6554 | idx++; | |
6555 | } | |
6556 | phy_info->last_chan_idx = idx; | |
6557 | ||
6558 | return NL_OK; | |
6559 | } | |
6560 | ||
6561 | ||
6562 | static int phy_info_rates(struct hostapd_hw_modes *mode, struct nlattr *tb) | |
6563 | { | |
6564 | static struct nla_policy rate_policy[NL80211_BITRATE_ATTR_MAX + 1] = { | |
6565 | [NL80211_BITRATE_ATTR_RATE] = { .type = NLA_U32 }, | |
6566 | [NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE] = | |
6567 | { .type = NLA_FLAG }, | |
6568 | }; | |
6569 | struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1]; | |
6570 | struct nlattr *nl_rate; | |
6571 | int rem_rate, idx; | |
6572 | ||
6573 | if (tb == NULL) | |
6574 | return NL_OK; | |
6575 | ||
6576 | nla_for_each_nested(nl_rate, tb, rem_rate) { | |
6577 | nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX, | |
6578 | nla_data(nl_rate), nla_len(nl_rate), | |
6579 | rate_policy); | |
6580 | if (!tb_rate[NL80211_BITRATE_ATTR_RATE]) | |
6581 | continue; | |
6582 | mode->num_rates++; | |
6583 | } | |
6584 | ||
6585 | mode->rates = os_calloc(mode->num_rates, sizeof(int)); | |
6586 | if (!mode->rates) | |
6587 | return NL_SKIP; | |
6588 | ||
6589 | idx = 0; | |
6590 | ||
6591 | nla_for_each_nested(nl_rate, tb, rem_rate) { | |
6592 | nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX, | |
6593 | nla_data(nl_rate), nla_len(nl_rate), | |
6594 | rate_policy); | |
6595 | if (!tb_rate[NL80211_BITRATE_ATTR_RATE]) | |
6596 | continue; | |
6597 | mode->rates[idx] = nla_get_u32( | |
6598 | tb_rate[NL80211_BITRATE_ATTR_RATE]); | |
6599 | idx++; | |
6600 | } | |
6601 | ||
6602 | return NL_OK; | |
6603 | } | |
6604 | ||
6605 | ||
6606 | static int phy_info_band(struct phy_info_arg *phy_info, struct nlattr *nl_band) | |
6607 | { | |
6608 | struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1]; | |
6609 | struct hostapd_hw_modes *mode; | |
6610 | int ret; | |
6611 | ||
6612 | if (phy_info->last_mode != nl_band->nla_type) { | |
6613 | mode = os_realloc_array(phy_info->modes, | |
6614 | *phy_info->num_modes + 1, | |
6615 | sizeof(*mode)); | |
6616 | if (!mode) | |
6617 | return NL_SKIP; | |
6618 | phy_info->modes = mode; | |
6619 | ||
6620 | mode = &phy_info->modes[*(phy_info->num_modes)]; | |
6621 | os_memset(mode, 0, sizeof(*mode)); | |
6622 | mode->mode = NUM_HOSTAPD_MODES; | |
6623 | mode->flags = HOSTAPD_MODE_FLAG_HT_INFO_KNOWN | | |
6624 | HOSTAPD_MODE_FLAG_VHT_INFO_KNOWN; | |
6625 | ||
6626 | /* | |
6627 | * Unsupported VHT MCS stream is defined as value 3, so the VHT | |
6628 | * MCS RX/TX map must be initialized with 0xffff to mark all 8 | |
6629 | * possible streams as unsupported. This will be overridden if | |
6630 | * driver advertises VHT support. | |
6631 | */ | |
6632 | mode->vht_mcs_set[0] = 0xff; | |
6633 | mode->vht_mcs_set[1] = 0xff; | |
6634 | mode->vht_mcs_set[4] = 0xff; | |
6635 | mode->vht_mcs_set[5] = 0xff; | |
6636 | ||
6637 | *(phy_info->num_modes) += 1; | |
6638 | phy_info->last_mode = nl_band->nla_type; | |
6639 | phy_info->last_chan_idx = 0; | |
6640 | } else | |
6641 | mode = &phy_info->modes[*(phy_info->num_modes) - 1]; | |
6642 | ||
6643 | nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band), | |
6644 | nla_len(nl_band), NULL); | |
6645 | ||
6646 | phy_info_ht_capa(mode, tb_band[NL80211_BAND_ATTR_HT_CAPA], | |
6647 | tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR], | |
6648 | tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY], | |
6649 | tb_band[NL80211_BAND_ATTR_HT_MCS_SET]); | |
6650 | phy_info_vht_capa(mode, tb_band[NL80211_BAND_ATTR_VHT_CAPA], | |
6651 | tb_band[NL80211_BAND_ATTR_VHT_MCS_SET]); | |
6652 | ret = phy_info_freqs(phy_info, mode, tb_band[NL80211_BAND_ATTR_FREQS]); | |
6653 | if (ret != NL_OK) | |
6654 | return ret; | |
6655 | ret = phy_info_rates(mode, tb_band[NL80211_BAND_ATTR_RATES]); | |
6656 | if (ret != NL_OK) | |
6657 | return ret; | |
6658 | ||
6659 | return NL_OK; | |
6660 | } | |
6661 | ||
6662 | ||
6663 | static int phy_info_handler(struct nl_msg *msg, void *arg) | |
6664 | { | |
6665 | struct nlattr *tb_msg[NL80211_ATTR_MAX + 1]; | |
6666 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
6667 | struct phy_info_arg *phy_info = arg; | |
6668 | struct nlattr *nl_band; | |
6669 | int rem_band; | |
6670 | ||
6671 | nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
6672 | genlmsg_attrlen(gnlh, 0), NULL); | |
6673 | ||
6674 | if (!tb_msg[NL80211_ATTR_WIPHY_BANDS]) | |
6675 | return NL_SKIP; | |
6676 | ||
6677 | nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band) | |
6678 | { | |
6679 | int res = phy_info_band(phy_info, nl_band); | |
6680 | if (res != NL_OK) | |
6681 | return res; | |
6682 | } | |
6683 | ||
6684 | return NL_SKIP; | |
6685 | } | |
6686 | ||
6687 | ||
6688 | static struct hostapd_hw_modes * | |
6689 | wpa_driver_nl80211_postprocess_modes(struct hostapd_hw_modes *modes, | |
6690 | u16 *num_modes) | |
6691 | { | |
6692 | u16 m; | |
6693 | struct hostapd_hw_modes *mode11g = NULL, *nmodes, *mode; | |
6694 | int i, mode11g_idx = -1; | |
6695 | ||
6696 | /* heuristic to set up modes */ | |
6697 | for (m = 0; m < *num_modes; m++) { | |
6698 | if (!modes[m].num_channels) | |
6699 | continue; | |
6700 | if (modes[m].channels[0].freq < 4000) { | |
6701 | modes[m].mode = HOSTAPD_MODE_IEEE80211B; | |
6702 | for (i = 0; i < modes[m].num_rates; i++) { | |
6703 | if (modes[m].rates[i] > 200) { | |
6704 | modes[m].mode = HOSTAPD_MODE_IEEE80211G; | |
6705 | break; | |
6706 | } | |
6707 | } | |
6708 | } else if (modes[m].channels[0].freq > 50000) | |
6709 | modes[m].mode = HOSTAPD_MODE_IEEE80211AD; | |
6710 | else | |
6711 | modes[m].mode = HOSTAPD_MODE_IEEE80211A; | |
6712 | } | |
6713 | ||
6714 | /* If only 802.11g mode is included, use it to construct matching | |
6715 | * 802.11b mode data. */ | |
6716 | ||
6717 | for (m = 0; m < *num_modes; m++) { | |
6718 | if (modes[m].mode == HOSTAPD_MODE_IEEE80211B) | |
6719 | return modes; /* 802.11b already included */ | |
6720 | if (modes[m].mode == HOSTAPD_MODE_IEEE80211G) | |
6721 | mode11g_idx = m; | |
6722 | } | |
6723 | ||
6724 | if (mode11g_idx < 0) | |
6725 | return modes; /* 2.4 GHz band not supported at all */ | |
6726 | ||
6727 | nmodes = os_realloc_array(modes, *num_modes + 1, sizeof(*nmodes)); | |
6728 | if (nmodes == NULL) | |
6729 | return modes; /* Could not add 802.11b mode */ | |
6730 | ||
6731 | mode = &nmodes[*num_modes]; | |
6732 | os_memset(mode, 0, sizeof(*mode)); | |
6733 | (*num_modes)++; | |
6734 | modes = nmodes; | |
6735 | ||
6736 | mode->mode = HOSTAPD_MODE_IEEE80211B; | |
6737 | ||
6738 | mode11g = &modes[mode11g_idx]; | |
6739 | mode->num_channels = mode11g->num_channels; | |
6740 | mode->channels = os_malloc(mode11g->num_channels * | |
6741 | sizeof(struct hostapd_channel_data)); | |
6742 | if (mode->channels == NULL) { | |
6743 | (*num_modes)--; | |
6744 | return modes; /* Could not add 802.11b mode */ | |
6745 | } | |
6746 | os_memcpy(mode->channels, mode11g->channels, | |
6747 | mode11g->num_channels * sizeof(struct hostapd_channel_data)); | |
6748 | ||
6749 | mode->num_rates = 0; | |
6750 | mode->rates = os_malloc(4 * sizeof(int)); | |
6751 | if (mode->rates == NULL) { | |
6752 | os_free(mode->channels); | |
6753 | (*num_modes)--; | |
6754 | return modes; /* Could not add 802.11b mode */ | |
6755 | } | |
6756 | ||
6757 | for (i = 0; i < mode11g->num_rates; i++) { | |
6758 | if (mode11g->rates[i] != 10 && mode11g->rates[i] != 20 && | |
6759 | mode11g->rates[i] != 55 && mode11g->rates[i] != 110) | |
6760 | continue; | |
6761 | mode->rates[mode->num_rates] = mode11g->rates[i]; | |
6762 | mode->num_rates++; | |
6763 | if (mode->num_rates == 4) | |
6764 | break; | |
6765 | } | |
6766 | ||
6767 | if (mode->num_rates == 0) { | |
6768 | os_free(mode->channels); | |
6769 | os_free(mode->rates); | |
6770 | (*num_modes)--; | |
6771 | return modes; /* No 802.11b rates */ | |
6772 | } | |
6773 | ||
6774 | wpa_printf(MSG_DEBUG, "nl80211: Added 802.11b mode based on 802.11g " | |
6775 | "information"); | |
6776 | ||
6777 | return modes; | |
6778 | } | |
6779 | ||
6780 | ||
6781 | static void nl80211_set_ht40_mode(struct hostapd_hw_modes *mode, int start, | |
6782 | int end) | |
6783 | { | |
6784 | int c; | |
6785 | ||
6786 | for (c = 0; c < mode->num_channels; c++) { | |
6787 | struct hostapd_channel_data *chan = &mode->channels[c]; | |
6788 | if (chan->freq - 10 >= start && chan->freq + 10 <= end) | |
6789 | chan->flag |= HOSTAPD_CHAN_HT40; | |
6790 | } | |
6791 | } | |
6792 | ||
6793 | ||
6794 | static void nl80211_set_ht40_mode_sec(struct hostapd_hw_modes *mode, int start, | |
6795 | int end) | |
6796 | { | |
6797 | int c; | |
6798 | ||
6799 | for (c = 0; c < mode->num_channels; c++) { | |
6800 | struct hostapd_channel_data *chan = &mode->channels[c]; | |
6801 | if (!(chan->flag & HOSTAPD_CHAN_HT40)) | |
6802 | continue; | |
6803 | if (chan->freq - 30 >= start && chan->freq - 10 <= end) | |
6804 | chan->flag |= HOSTAPD_CHAN_HT40MINUS; | |
6805 | if (chan->freq + 10 >= start && chan->freq + 30 <= end) | |
6806 | chan->flag |= HOSTAPD_CHAN_HT40PLUS; | |
6807 | } | |
6808 | } | |
6809 | ||
6810 | ||
6811 | static void nl80211_reg_rule_max_eirp(u32 start, u32 end, u32 max_eirp, | |
6812 | struct phy_info_arg *results) | |
6813 | { | |
6814 | u16 m; | |
6815 | ||
6816 | for (m = 0; m < *results->num_modes; m++) { | |
6817 | int c; | |
6818 | struct hostapd_hw_modes *mode = &results->modes[m]; | |
6819 | ||
6820 | for (c = 0; c < mode->num_channels; c++) { | |
6821 | struct hostapd_channel_data *chan = &mode->channels[c]; | |
6822 | if ((u32) chan->freq - 10 >= start && | |
6823 | (u32) chan->freq + 10 <= end) | |
6824 | chan->max_tx_power = max_eirp; | |
6825 | } | |
6826 | } | |
6827 | } | |
6828 | ||
6829 | ||
6830 | static void nl80211_reg_rule_ht40(u32 start, u32 end, | |
6831 | struct phy_info_arg *results) | |
6832 | { | |
6833 | u16 m; | |
6834 | ||
6835 | for (m = 0; m < *results->num_modes; m++) { | |
6836 | if (!(results->modes[m].ht_capab & | |
6837 | HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) | |
6838 | continue; | |
6839 | nl80211_set_ht40_mode(&results->modes[m], start, end); | |
6840 | } | |
6841 | } | |
6842 | ||
6843 | ||
6844 | static void nl80211_reg_rule_sec(struct nlattr *tb[], | |
6845 | struct phy_info_arg *results) | |
6846 | { | |
6847 | u32 start, end, max_bw; | |
6848 | u16 m; | |
6849 | ||
6850 | if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL || | |
6851 | tb[NL80211_ATTR_FREQ_RANGE_END] == NULL || | |
6852 | tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL) | |
6853 | return; | |
6854 | ||
6855 | start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000; | |
6856 | end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000; | |
6857 | max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000; | |
6858 | ||
6859 | if (max_bw < 20) | |
6860 | return; | |
6861 | ||
6862 | for (m = 0; m < *results->num_modes; m++) { | |
6863 | if (!(results->modes[m].ht_capab & | |
6864 | HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) | |
6865 | continue; | |
6866 | nl80211_set_ht40_mode_sec(&results->modes[m], start, end); | |
6867 | } | |
6868 | } | |
6869 | ||
6870 | ||
6871 | static void nl80211_set_vht_mode(struct hostapd_hw_modes *mode, int start, | |
6872 | int end) | |
6873 | { | |
6874 | int c; | |
6875 | ||
6876 | for (c = 0; c < mode->num_channels; c++) { | |
6877 | struct hostapd_channel_data *chan = &mode->channels[c]; | |
6878 | if (chan->freq - 10 >= start && chan->freq + 70 <= end) | |
6879 | chan->flag |= HOSTAPD_CHAN_VHT_10_70; | |
6880 | ||
6881 | if (chan->freq - 30 >= start && chan->freq + 50 <= end) | |
6882 | chan->flag |= HOSTAPD_CHAN_VHT_30_50; | |
6883 | ||
6884 | if (chan->freq - 50 >= start && chan->freq + 30 <= end) | |
6885 | chan->flag |= HOSTAPD_CHAN_VHT_50_30; | |
6886 | ||
6887 | if (chan->freq - 70 >= start && chan->freq + 10 <= end) | |
6888 | chan->flag |= HOSTAPD_CHAN_VHT_70_10; | |
6889 | } | |
6890 | } | |
6891 | ||
6892 | ||
6893 | static void nl80211_reg_rule_vht(struct nlattr *tb[], | |
6894 | struct phy_info_arg *results) | |
6895 | { | |
6896 | u32 start, end, max_bw; | |
6897 | u16 m; | |
6898 | ||
6899 | if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL || | |
6900 | tb[NL80211_ATTR_FREQ_RANGE_END] == NULL || | |
6901 | tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL) | |
6902 | return; | |
6903 | ||
6904 | start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000; | |
6905 | end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000; | |
6906 | max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000; | |
6907 | ||
6908 | if (max_bw < 80) | |
6909 | return; | |
6910 | ||
6911 | for (m = 0; m < *results->num_modes; m++) { | |
6912 | if (!(results->modes[m].ht_capab & | |
6913 | HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) | |
6914 | continue; | |
6915 | /* TODO: use a real VHT support indication */ | |
6916 | if (!results->modes[m].vht_capab) | |
6917 | continue; | |
6918 | ||
6919 | nl80211_set_vht_mode(&results->modes[m], start, end); | |
6920 | } | |
6921 | } | |
6922 | ||
6923 | ||
6924 | static const char * dfs_domain_name(enum nl80211_dfs_regions region) | |
6925 | { | |
6926 | switch (region) { | |
6927 | case NL80211_DFS_UNSET: | |
6928 | return "DFS-UNSET"; | |
6929 | case NL80211_DFS_FCC: | |
6930 | return "DFS-FCC"; | |
6931 | case NL80211_DFS_ETSI: | |
6932 | return "DFS-ETSI"; | |
6933 | case NL80211_DFS_JP: | |
6934 | return "DFS-JP"; | |
6935 | default: | |
6936 | return "DFS-invalid"; | |
6937 | } | |
6938 | } | |
6939 | ||
6940 | ||
6941 | static int nl80211_get_reg(struct nl_msg *msg, void *arg) | |
6942 | { | |
6943 | struct phy_info_arg *results = arg; | |
6944 | struct nlattr *tb_msg[NL80211_ATTR_MAX + 1]; | |
6945 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
6946 | struct nlattr *nl_rule; | |
6947 | struct nlattr *tb_rule[NL80211_FREQUENCY_ATTR_MAX + 1]; | |
6948 | int rem_rule; | |
6949 | static struct nla_policy reg_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = { | |
6950 | [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 }, | |
6951 | [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 }, | |
6952 | [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 }, | |
6953 | [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 }, | |
6954 | [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 }, | |
6955 | [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 }, | |
6956 | }; | |
6957 | ||
6958 | nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
6959 | genlmsg_attrlen(gnlh, 0), NULL); | |
6960 | if (!tb_msg[NL80211_ATTR_REG_ALPHA2] || | |
6961 | !tb_msg[NL80211_ATTR_REG_RULES]) { | |
6962 | wpa_printf(MSG_DEBUG, "nl80211: No regulatory information " | |
6963 | "available"); | |
6964 | return NL_SKIP; | |
6965 | } | |
6966 | ||
6967 | if (tb_msg[NL80211_ATTR_DFS_REGION]) { | |
6968 | enum nl80211_dfs_regions dfs_domain; | |
6969 | dfs_domain = nla_get_u8(tb_msg[NL80211_ATTR_DFS_REGION]); | |
6970 | wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s (%s)", | |
6971 | (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]), | |
6972 | dfs_domain_name(dfs_domain)); | |
6973 | } else { | |
6974 | wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s", | |
6975 | (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2])); | |
6976 | } | |
6977 | ||
6978 | nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule) | |
6979 | { | |
6980 | u32 start, end, max_eirp = 0, max_bw = 0, flags = 0; | |
6981 | nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX, | |
6982 | nla_data(nl_rule), nla_len(nl_rule), reg_policy); | |
6983 | if (tb_rule[NL80211_ATTR_FREQ_RANGE_START] == NULL || | |
6984 | tb_rule[NL80211_ATTR_FREQ_RANGE_END] == NULL) | |
6985 | continue; | |
6986 | start = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_START]) / 1000; | |
6987 | end = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_END]) / 1000; | |
6988 | if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP]) | |
6989 | max_eirp = nla_get_u32(tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP]) / 100; | |
6990 | if (tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW]) | |
6991 | max_bw = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000; | |
6992 | if (tb_rule[NL80211_ATTR_REG_RULE_FLAGS]) | |
6993 | flags = nla_get_u32(tb_rule[NL80211_ATTR_REG_RULE_FLAGS]); | |
6994 | ||
6995 | wpa_printf(MSG_DEBUG, "nl80211: %u-%u @ %u MHz %u mBm%s%s%s%s%s%s%s%s", | |
6996 | start, end, max_bw, max_eirp, | |
6997 | flags & NL80211_RRF_NO_OFDM ? " (no OFDM)" : "", | |
6998 | flags & NL80211_RRF_NO_CCK ? " (no CCK)" : "", | |
6999 | flags & NL80211_RRF_NO_INDOOR ? " (no indoor)" : "", | |
7000 | flags & NL80211_RRF_NO_OUTDOOR ? " (no outdoor)" : | |
7001 | "", | |
7002 | flags & NL80211_RRF_DFS ? " (DFS)" : "", | |
7003 | flags & NL80211_RRF_PTP_ONLY ? " (PTP only)" : "", | |
7004 | flags & NL80211_RRF_PTMP_ONLY ? " (PTMP only)" : "", | |
7005 | flags & NL80211_RRF_NO_IR ? " (no IR)" : ""); | |
7006 | if (max_bw >= 40) | |
7007 | nl80211_reg_rule_ht40(start, end, results); | |
7008 | if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP]) | |
7009 | nl80211_reg_rule_max_eirp(start, end, max_eirp, | |
7010 | results); | |
7011 | } | |
7012 | ||
7013 | nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule) | |
7014 | { | |
7015 | nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX, | |
7016 | nla_data(nl_rule), nla_len(nl_rule), reg_policy); | |
7017 | nl80211_reg_rule_sec(tb_rule, results); | |
7018 | } | |
7019 | ||
7020 | nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule) | |
7021 | { | |
7022 | nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX, | |
7023 | nla_data(nl_rule), nla_len(nl_rule), reg_policy); | |
7024 | nl80211_reg_rule_vht(tb_rule, results); | |
7025 | } | |
7026 | ||
7027 | return NL_SKIP; | |
7028 | } | |
7029 | ||
7030 | ||
7031 | static int nl80211_set_regulatory_flags(struct wpa_driver_nl80211_data *drv, | |
7032 | struct phy_info_arg *results) | |
7033 | { | |
7034 | struct nl_msg *msg; | |
7035 | ||
7036 | msg = nlmsg_alloc(); | |
7037 | if (!msg) | |
7038 | return -ENOMEM; | |
7039 | ||
7040 | nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG); | |
7041 | return send_and_recv_msgs(drv, msg, nl80211_get_reg, results); | |
7042 | } | |
7043 | ||
7044 | ||
7045 | static struct hostapd_hw_modes * | |
7046 | wpa_driver_nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags) | |
7047 | { | |
7048 | u32 feat; | |
7049 | struct i802_bss *bss = priv; | |
7050 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7051 | struct nl_msg *msg; | |
7052 | struct phy_info_arg result = { | |
7053 | .num_modes = num_modes, | |
7054 | .modes = NULL, | |
7055 | .last_mode = -1, | |
7056 | }; | |
7057 | ||
7058 | *num_modes = 0; | |
7059 | *flags = 0; | |
7060 | ||
7061 | msg = nlmsg_alloc(); | |
7062 | if (!msg) | |
7063 | return NULL; | |
7064 | ||
7065 | feat = get_nl80211_protocol_features(drv); | |
7066 | if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP) | |
7067 | nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_WIPHY); | |
7068 | else | |
7069 | nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_WIPHY); | |
7070 | ||
7071 | NLA_PUT_FLAG(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP); | |
7072 | if (nl80211_set_iface_id(msg, bss) < 0) | |
7073 | goto nla_put_failure; | |
7074 | ||
7075 | if (send_and_recv_msgs(drv, msg, phy_info_handler, &result) == 0) { | |
7076 | nl80211_set_regulatory_flags(drv, &result); | |
7077 | return wpa_driver_nl80211_postprocess_modes(result.modes, | |
7078 | num_modes); | |
7079 | } | |
7080 | msg = NULL; | |
7081 | nla_put_failure: | |
7082 | nlmsg_free(msg); | |
7083 | return NULL; | |
7084 | } | |
7085 | ||
7086 | ||
7087 | static int wpa_driver_nl80211_send_mntr(struct wpa_driver_nl80211_data *drv, | |
7088 | const void *data, size_t len, | |
7089 | int encrypt, int noack) | |
7090 | { | |
7091 | __u8 rtap_hdr[] = { | |
7092 | 0x00, 0x00, /* radiotap version */ | |
7093 | 0x0e, 0x00, /* radiotap length */ | |
7094 | 0x02, 0xc0, 0x00, 0x00, /* bmap: flags, tx and rx flags */ | |
7095 | IEEE80211_RADIOTAP_F_FRAG, /* F_FRAG (fragment if required) */ | |
7096 | 0x00, /* padding */ | |
7097 | 0x00, 0x00, /* RX and TX flags to indicate that */ | |
7098 | 0x00, 0x00, /* this is the injected frame directly */ | |
7099 | }; | |
7100 | struct iovec iov[2] = { | |
7101 | { | |
7102 | .iov_base = &rtap_hdr, | |
7103 | .iov_len = sizeof(rtap_hdr), | |
7104 | }, | |
7105 | { | |
7106 | .iov_base = (void *) data, | |
7107 | .iov_len = len, | |
7108 | } | |
7109 | }; | |
7110 | struct msghdr msg = { | |
7111 | .msg_name = NULL, | |
7112 | .msg_namelen = 0, | |
7113 | .msg_iov = iov, | |
7114 | .msg_iovlen = 2, | |
7115 | .msg_control = NULL, | |
7116 | .msg_controllen = 0, | |
7117 | .msg_flags = 0, | |
7118 | }; | |
7119 | int res; | |
7120 | u16 txflags = 0; | |
7121 | ||
7122 | if (encrypt) | |
7123 | rtap_hdr[8] |= IEEE80211_RADIOTAP_F_WEP; | |
7124 | ||
7125 | if (drv->monitor_sock < 0) { | |
7126 | wpa_printf(MSG_DEBUG, "nl80211: No monitor socket available " | |
7127 | "for %s", __func__); | |
7128 | return -1; | |
7129 | } | |
7130 | ||
7131 | if (noack) | |
7132 | txflags |= IEEE80211_RADIOTAP_F_TX_NOACK; | |
7133 | WPA_PUT_LE16(&rtap_hdr[12], txflags); | |
7134 | ||
7135 | res = sendmsg(drv->monitor_sock, &msg, 0); | |
7136 | if (res < 0) { | |
7137 | wpa_printf(MSG_INFO, "nl80211: sendmsg: %s", strerror(errno)); | |
7138 | return -1; | |
7139 | } | |
7140 | return 0; | |
7141 | } | |
7142 | ||
7143 | ||
7144 | static int wpa_driver_nl80211_send_frame(struct i802_bss *bss, | |
7145 | const void *data, size_t len, | |
7146 | int encrypt, int noack, | |
7147 | unsigned int freq, int no_cck, | |
7148 | int offchanok, unsigned int wait_time) | |
7149 | { | |
7150 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7151 | u64 cookie; | |
7152 | int res; | |
7153 | ||
7154 | if (freq == 0 && drv->nlmode == NL80211_IFTYPE_ADHOC) { | |
7155 | freq = nl80211_get_assoc_freq(drv); | |
7156 | wpa_printf(MSG_DEBUG, | |
7157 | "nl80211: send_frame - Use assoc_freq=%u for IBSS", | |
7158 | freq); | |
7159 | } | |
7160 | if (freq == 0) { | |
7161 | wpa_printf(MSG_DEBUG, "nl80211: send_frame - Use bss->freq=%u", | |
7162 | bss->freq); | |
7163 | freq = bss->freq; | |
7164 | } | |
7165 | ||
7166 | if (drv->use_monitor) { | |
7167 | wpa_printf(MSG_DEBUG, "nl80211: send_frame(freq=%u bss->freq=%u) -> send_mntr", | |
7168 | freq, bss->freq); | |
7169 | return wpa_driver_nl80211_send_mntr(drv, data, len, | |
7170 | encrypt, noack); | |
7171 | } | |
7172 | ||
7173 | wpa_printf(MSG_DEBUG, "nl80211: send_frame -> send_frame_cmd"); | |
7174 | res = nl80211_send_frame_cmd(bss, freq, wait_time, data, len, | |
7175 | &cookie, no_cck, noack, offchanok); | |
7176 | if (res == 0 && !noack) { | |
7177 | const struct ieee80211_mgmt *mgmt; | |
7178 | u16 fc; | |
7179 | ||
7180 | mgmt = (const struct ieee80211_mgmt *) data; | |
7181 | fc = le_to_host16(mgmt->frame_control); | |
7182 | if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && | |
7183 | WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_ACTION) { | |
7184 | wpa_printf(MSG_MSGDUMP, | |
7185 | "nl80211: Update send_action_cookie from 0x%llx to 0x%llx", | |
7186 | (long long unsigned int) | |
7187 | drv->send_action_cookie, | |
7188 | (long long unsigned int) cookie); | |
7189 | drv->send_action_cookie = cookie; | |
7190 | } | |
7191 | } | |
7192 | ||
7193 | return res; | |
7194 | } | |
7195 | ||
7196 | ||
7197 | static int wpa_driver_nl80211_send_mlme(struct i802_bss *bss, const u8 *data, | |
7198 | size_t data_len, int noack, | |
7199 | unsigned int freq, int no_cck, | |
7200 | int offchanok, | |
7201 | unsigned int wait_time) | |
7202 | { | |
7203 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7204 | struct ieee80211_mgmt *mgmt; | |
7205 | int encrypt = 1; | |
7206 | u16 fc; | |
7207 | ||
7208 | mgmt = (struct ieee80211_mgmt *) data; | |
7209 | fc = le_to_host16(mgmt->frame_control); | |
7210 | wpa_printf(MSG_DEBUG, "nl80211: send_mlme - da= " MACSTR | |
7211 | " noack=%d freq=%u no_cck=%d offchanok=%d wait_time=%u fc=0x%x (%s) nlmode=%d", | |
7212 | MAC2STR(mgmt->da), noack, freq, no_cck, offchanok, wait_time, | |
7213 | fc, fc2str(fc), drv->nlmode); | |
7214 | ||
7215 | if ((is_sta_interface(drv->nlmode) || | |
7216 | drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) && | |
7217 | WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && | |
7218 | WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) { | |
7219 | /* | |
7220 | * The use of last_mgmt_freq is a bit of a hack, | |
7221 | * but it works due to the single-threaded nature | |
7222 | * of wpa_supplicant. | |
7223 | */ | |
7224 | if (freq == 0) { | |
7225 | wpa_printf(MSG_DEBUG, "nl80211: Use last_mgmt_freq=%d", | |
7226 | drv->last_mgmt_freq); | |
7227 | freq = drv->last_mgmt_freq; | |
7228 | } | |
7229 | return nl80211_send_frame_cmd(bss, freq, 0, | |
7230 | data, data_len, NULL, 1, noack, | |
7231 | 1); | |
7232 | } | |
7233 | ||
7234 | if (drv->device_ap_sme && is_ap_interface(drv->nlmode)) { | |
7235 | if (freq == 0) { | |
7236 | wpa_printf(MSG_DEBUG, "nl80211: Use bss->freq=%d", | |
7237 | bss->freq); | |
7238 | freq = bss->freq; | |
7239 | } | |
7240 | return nl80211_send_frame_cmd(bss, freq, | |
7241 | (int) freq == bss->freq ? 0 : | |
7242 | wait_time, | |
7243 | data, data_len, | |
7244 | &drv->send_action_cookie, | |
7245 | no_cck, noack, offchanok); | |
7246 | } | |
7247 | ||
7248 | if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && | |
7249 | WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) { | |
7250 | /* | |
7251 | * Only one of the authentication frame types is encrypted. | |
7252 | * In order for static WEP encryption to work properly (i.e., | |
7253 | * to not encrypt the frame), we need to tell mac80211 about | |
7254 | * the frames that must not be encrypted. | |
7255 | */ | |
7256 | u16 auth_alg = le_to_host16(mgmt->u.auth.auth_alg); | |
7257 | u16 auth_trans = le_to_host16(mgmt->u.auth.auth_transaction); | |
7258 | if (auth_alg != WLAN_AUTH_SHARED_KEY || auth_trans != 3) | |
7259 | encrypt = 0; | |
7260 | } | |
7261 | ||
7262 | wpa_printf(MSG_DEBUG, "nl80211: send_mlme -> send_frame"); | |
7263 | return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt, | |
7264 | noack, freq, no_cck, offchanok, | |
7265 | wait_time); | |
7266 | } | |
7267 | ||
7268 | ||
7269 | static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble, | |
7270 | int slot, int ht_opmode, int ap_isolate, | |
7271 | int *basic_rates) | |
7272 | { | |
7273 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7274 | struct nl_msg *msg; | |
7275 | ||
7276 | msg = nlmsg_alloc(); | |
7277 | if (!msg) | |
7278 | return -ENOMEM; | |
7279 | ||
7280 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_BSS); | |
7281 | ||
7282 | if (cts >= 0) | |
7283 | NLA_PUT_U8(msg, NL80211_ATTR_BSS_CTS_PROT, cts); | |
7284 | if (preamble >= 0) | |
7285 | NLA_PUT_U8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble); | |
7286 | if (slot >= 0) | |
7287 | NLA_PUT_U8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot); | |
7288 | if (ht_opmode >= 0) | |
7289 | NLA_PUT_U16(msg, NL80211_ATTR_BSS_HT_OPMODE, ht_opmode); | |
7290 | if (ap_isolate >= 0) | |
7291 | NLA_PUT_U8(msg, NL80211_ATTR_AP_ISOLATE, ap_isolate); | |
7292 | ||
7293 | if (basic_rates) { | |
7294 | u8 rates[NL80211_MAX_SUPP_RATES]; | |
7295 | u8 rates_len = 0; | |
7296 | int i; | |
7297 | ||
7298 | for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0; | |
7299 | i++) | |
7300 | rates[rates_len++] = basic_rates[i] / 5; | |
7301 | ||
7302 | NLA_PUT(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates); | |
7303 | } | |
7304 | ||
7305 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname)); | |
7306 | ||
7307 | return send_and_recv_msgs(drv, msg, NULL, NULL); | |
7308 | nla_put_failure: | |
7309 | nlmsg_free(msg); | |
7310 | return -ENOBUFS; | |
7311 | } | |
7312 | ||
7313 | ||
7314 | static int wpa_driver_nl80211_set_acl(void *priv, | |
7315 | struct hostapd_acl_params *params) | |
7316 | { | |
7317 | struct i802_bss *bss = priv; | |
7318 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7319 | struct nl_msg *msg; | |
7320 | struct nlattr *acl; | |
7321 | unsigned int i; | |
7322 | int ret = 0; | |
7323 | ||
7324 | if (!(drv->capa.max_acl_mac_addrs)) | |
7325 | return -ENOTSUP; | |
7326 | ||
7327 | if (params->num_mac_acl > drv->capa.max_acl_mac_addrs) | |
7328 | return -ENOTSUP; | |
7329 | ||
7330 | msg = nlmsg_alloc(); | |
7331 | if (!msg) | |
7332 | return -ENOMEM; | |
7333 | ||
7334 | wpa_printf(MSG_DEBUG, "nl80211: Set %s ACL (num_mac_acl=%u)", | |
7335 | params->acl_policy ? "Accept" : "Deny", params->num_mac_acl); | |
7336 | ||
7337 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_MAC_ACL); | |
7338 | ||
7339 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
7340 | ||
7341 | NLA_PUT_U32(msg, NL80211_ATTR_ACL_POLICY, params->acl_policy ? | |
7342 | NL80211_ACL_POLICY_DENY_UNLESS_LISTED : | |
7343 | NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED); | |
7344 | ||
7345 | acl = nla_nest_start(msg, NL80211_ATTR_MAC_ADDRS); | |
7346 | if (acl == NULL) | |
7347 | goto nla_put_failure; | |
7348 | ||
7349 | for (i = 0; i < params->num_mac_acl; i++) | |
7350 | NLA_PUT(msg, i + 1, ETH_ALEN, params->mac_acl[i].addr); | |
7351 | ||
7352 | nla_nest_end(msg, acl); | |
7353 | ||
7354 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
7355 | msg = NULL; | |
7356 | if (ret) { | |
7357 | wpa_printf(MSG_DEBUG, "nl80211: Failed to set MAC ACL: %d (%s)", | |
7358 | ret, strerror(-ret)); | |
7359 | } | |
7360 | ||
7361 | nla_put_failure: | |
7362 | nlmsg_free(msg); | |
7363 | ||
7364 | return ret; | |
7365 | } | |
7366 | ||
7367 | ||
7368 | static int wpa_driver_nl80211_set_ap(void *priv, | |
7369 | struct wpa_driver_ap_params *params) | |
7370 | { | |
7371 | struct i802_bss *bss = priv; | |
7372 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7373 | struct nl_msg *msg; | |
7374 | u8 cmd = NL80211_CMD_NEW_BEACON; | |
7375 | int ret; | |
7376 | int beacon_set; | |
7377 | int ifindex = if_nametoindex(bss->ifname); | |
7378 | int num_suites; | |
7379 | u32 suites[10], suite; | |
7380 | u32 ver; | |
7381 | ||
7382 | beacon_set = bss->beacon_set; | |
7383 | ||
7384 | msg = nlmsg_alloc(); | |
7385 | if (!msg) | |
7386 | return -ENOMEM; | |
7387 | ||
7388 | wpa_printf(MSG_DEBUG, "nl80211: Set beacon (beacon_set=%d)", | |
7389 | beacon_set); | |
7390 | if (beacon_set) | |
7391 | cmd = NL80211_CMD_SET_BEACON; | |
7392 | ||
7393 | nl80211_cmd(drv, msg, 0, cmd); | |
7394 | wpa_hexdump(MSG_DEBUG, "nl80211: Beacon head", | |
7395 | params->head, params->head_len); | |
7396 | NLA_PUT(msg, NL80211_ATTR_BEACON_HEAD, params->head_len, params->head); | |
7397 | wpa_hexdump(MSG_DEBUG, "nl80211: Beacon tail", | |
7398 | params->tail, params->tail_len); | |
7399 | NLA_PUT(msg, NL80211_ATTR_BEACON_TAIL, params->tail_len, params->tail); | |
7400 | wpa_printf(MSG_DEBUG, "nl80211: ifindex=%d", ifindex); | |
7401 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex); | |
7402 | wpa_printf(MSG_DEBUG, "nl80211: beacon_int=%d", params->beacon_int); | |
7403 | NLA_PUT_U32(msg, NL80211_ATTR_BEACON_INTERVAL, params->beacon_int); | |
7404 | wpa_printf(MSG_DEBUG, "nl80211: dtim_period=%d", params->dtim_period); | |
7405 | NLA_PUT_U32(msg, NL80211_ATTR_DTIM_PERIOD, params->dtim_period); | |
7406 | wpa_hexdump_ascii(MSG_DEBUG, "nl80211: ssid", | |
7407 | params->ssid, params->ssid_len); | |
7408 | NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len, | |
7409 | params->ssid); | |
7410 | if (params->proberesp && params->proberesp_len) { | |
7411 | wpa_hexdump(MSG_DEBUG, "nl80211: proberesp (offload)", | |
7412 | params->proberesp, params->proberesp_len); | |
7413 | NLA_PUT(msg, NL80211_ATTR_PROBE_RESP, params->proberesp_len, | |
7414 | params->proberesp); | |
7415 | } | |
7416 | switch (params->hide_ssid) { | |
7417 | case NO_SSID_HIDING: | |
7418 | wpa_printf(MSG_DEBUG, "nl80211: hidden SSID not in use"); | |
7419 | NLA_PUT_U32(msg, NL80211_ATTR_HIDDEN_SSID, | |
7420 | NL80211_HIDDEN_SSID_NOT_IN_USE); | |
7421 | break; | |
7422 | case HIDDEN_SSID_ZERO_LEN: | |
7423 | wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero len"); | |
7424 | NLA_PUT_U32(msg, NL80211_ATTR_HIDDEN_SSID, | |
7425 | NL80211_HIDDEN_SSID_ZERO_LEN); | |
7426 | break; | |
7427 | case HIDDEN_SSID_ZERO_CONTENTS: | |
7428 | wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero contents"); | |
7429 | NLA_PUT_U32(msg, NL80211_ATTR_HIDDEN_SSID, | |
7430 | NL80211_HIDDEN_SSID_ZERO_CONTENTS); | |
7431 | break; | |
7432 | } | |
7433 | wpa_printf(MSG_DEBUG, "nl80211: privacy=%d", params->privacy); | |
7434 | if (params->privacy) | |
7435 | NLA_PUT_FLAG(msg, NL80211_ATTR_PRIVACY); | |
7436 | wpa_printf(MSG_DEBUG, "nl80211: auth_algs=0x%x", params->auth_algs); | |
7437 | if ((params->auth_algs & (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) == | |
7438 | (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) { | |
7439 | /* Leave out the attribute */ | |
7440 | } else if (params->auth_algs & WPA_AUTH_ALG_SHARED) | |
7441 | NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE, | |
7442 | NL80211_AUTHTYPE_SHARED_KEY); | |
7443 | else | |
7444 | NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE, | |
7445 | NL80211_AUTHTYPE_OPEN_SYSTEM); | |
7446 | ||
7447 | wpa_printf(MSG_DEBUG, "nl80211: wpa_version=0x%x", params->wpa_version); | |
7448 | ver = 0; | |
7449 | if (params->wpa_version & WPA_PROTO_WPA) | |
7450 | ver |= NL80211_WPA_VERSION_1; | |
7451 | if (params->wpa_version & WPA_PROTO_RSN) | |
7452 | ver |= NL80211_WPA_VERSION_2; | |
7453 | if (ver) | |
7454 | NLA_PUT_U32(msg, NL80211_ATTR_WPA_VERSIONS, ver); | |
7455 | ||
7456 | wpa_printf(MSG_DEBUG, "nl80211: key_mgmt_suites=0x%x", | |
7457 | params->key_mgmt_suites); | |
7458 | num_suites = 0; | |
7459 | if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X) | |
7460 | suites[num_suites++] = WLAN_AKM_SUITE_8021X; | |
7461 | if (params->key_mgmt_suites & WPA_KEY_MGMT_PSK) | |
7462 | suites[num_suites++] = WLAN_AKM_SUITE_PSK; | |
7463 | if (num_suites) { | |
7464 | NLA_PUT(msg, NL80211_ATTR_AKM_SUITES, | |
7465 | num_suites * sizeof(u32), suites); | |
7466 | } | |
7467 | ||
7468 | if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X && | |
7469 | params->pairwise_ciphers & (WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40)) | |
7470 | NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT); | |
7471 | ||
7472 | wpa_printf(MSG_DEBUG, "nl80211: pairwise_ciphers=0x%x", | |
7473 | params->pairwise_ciphers); | |
7474 | num_suites = wpa_cipher_to_cipher_suites(params->pairwise_ciphers, | |
7475 | suites, ARRAY_SIZE(suites)); | |
7476 | if (num_suites) { | |
7477 | NLA_PUT(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE, | |
7478 | num_suites * sizeof(u32), suites); | |
7479 | } | |
7480 | ||
7481 | wpa_printf(MSG_DEBUG, "nl80211: group_cipher=0x%x", | |
7482 | params->group_cipher); | |
7483 | suite = wpa_cipher_to_cipher_suite(params->group_cipher); | |
7484 | if (suite) | |
7485 | NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, suite); | |
7486 | ||
7487 | if (params->beacon_ies) { | |
7488 | wpa_hexdump_buf(MSG_DEBUG, "nl80211: beacon_ies", | |
7489 | params->beacon_ies); | |
7490 | NLA_PUT(msg, NL80211_ATTR_IE, wpabuf_len(params->beacon_ies), | |
7491 | wpabuf_head(params->beacon_ies)); | |
7492 | } | |
7493 | if (params->proberesp_ies) { | |
7494 | wpa_hexdump_buf(MSG_DEBUG, "nl80211: proberesp_ies", | |
7495 | params->proberesp_ies); | |
7496 | NLA_PUT(msg, NL80211_ATTR_IE_PROBE_RESP, | |
7497 | wpabuf_len(params->proberesp_ies), | |
7498 | wpabuf_head(params->proberesp_ies)); | |
7499 | } | |
7500 | if (params->assocresp_ies) { | |
7501 | wpa_hexdump_buf(MSG_DEBUG, "nl80211: assocresp_ies", | |
7502 | params->assocresp_ies); | |
7503 | NLA_PUT(msg, NL80211_ATTR_IE_ASSOC_RESP, | |
7504 | wpabuf_len(params->assocresp_ies), | |
7505 | wpabuf_head(params->assocresp_ies)); | |
7506 | } | |
7507 | ||
7508 | if (drv->capa.flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER) { | |
7509 | wpa_printf(MSG_DEBUG, "nl80211: ap_max_inactivity=%d", | |
7510 | params->ap_max_inactivity); | |
7511 | NLA_PUT_U16(msg, NL80211_ATTR_INACTIVITY_TIMEOUT, | |
7512 | params->ap_max_inactivity); | |
7513 | } | |
7514 | ||
7515 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
7516 | if (ret) { | |
7517 | wpa_printf(MSG_DEBUG, "nl80211: Beacon set failed: %d (%s)", | |
7518 | ret, strerror(-ret)); | |
7519 | } else { | |
7520 | bss->beacon_set = 1; | |
7521 | nl80211_set_bss(bss, params->cts_protect, params->preamble, | |
7522 | params->short_slot_time, params->ht_opmode, | |
7523 | params->isolate, params->basic_rates); | |
7524 | if (beacon_set && params->freq && | |
7525 | params->freq->bandwidth != bss->bandwidth) { | |
7526 | wpa_printf(MSG_DEBUG, | |
7527 | "nl80211: Update BSS %s bandwidth: %d -> %d", | |
7528 | bss->ifname, bss->bandwidth, | |
7529 | params->freq->bandwidth); | |
7530 | ret = nl80211_set_channel(bss, params->freq, 1); | |
7531 | if (ret) { | |
7532 | wpa_printf(MSG_DEBUG, | |
7533 | "nl80211: Frequency set failed: %d (%s)", | |
7534 | ret, strerror(-ret)); | |
7535 | } else { | |
7536 | wpa_printf(MSG_DEBUG, | |
7537 | "nl80211: Frequency set succeeded for ht2040 coex"); | |
7538 | bss->bandwidth = params->freq->bandwidth; | |
7539 | } | |
7540 | } else if (!beacon_set) { | |
7541 | /* | |
7542 | * cfg80211 updates the driver on frequence change in AP | |
7543 | * mode only at the point when beaconing is started, so | |
7544 | * set the initial value here. | |
7545 | */ | |
7546 | bss->bandwidth = params->freq->bandwidth; | |
7547 | } | |
7548 | } | |
7549 | return ret; | |
7550 | nla_put_failure: | |
7551 | nlmsg_free(msg); | |
7552 | return -ENOBUFS; | |
7553 | } | |
7554 | ||
7555 | ||
7556 | static int nl80211_put_freq_params(struct nl_msg *msg, | |
7557 | struct hostapd_freq_params *freq) | |
7558 | { | |
7559 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq); | |
7560 | if (freq->vht_enabled) { | |
7561 | switch (freq->bandwidth) { | |
7562 | case 20: | |
7563 | NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH, | |
7564 | NL80211_CHAN_WIDTH_20); | |
7565 | break; | |
7566 | case 40: | |
7567 | NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH, | |
7568 | NL80211_CHAN_WIDTH_40); | |
7569 | break; | |
7570 | case 80: | |
7571 | if (freq->center_freq2) | |
7572 | NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH, | |
7573 | NL80211_CHAN_WIDTH_80P80); | |
7574 | else | |
7575 | NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH, | |
7576 | NL80211_CHAN_WIDTH_80); | |
7577 | break; | |
7578 | case 160: | |
7579 | NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH, | |
7580 | NL80211_CHAN_WIDTH_160); | |
7581 | break; | |
7582 | default: | |
7583 | return -EINVAL; | |
7584 | } | |
7585 | NLA_PUT_U32(msg, NL80211_ATTR_CENTER_FREQ1, freq->center_freq1); | |
7586 | if (freq->center_freq2) | |
7587 | NLA_PUT_U32(msg, NL80211_ATTR_CENTER_FREQ2, | |
7588 | freq->center_freq2); | |
7589 | } else if (freq->ht_enabled) { | |
7590 | switch (freq->sec_channel_offset) { | |
7591 | case -1: | |
7592 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, | |
7593 | NL80211_CHAN_HT40MINUS); | |
7594 | break; | |
7595 | case 1: | |
7596 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, | |
7597 | NL80211_CHAN_HT40PLUS); | |
7598 | break; | |
7599 | default: | |
7600 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, | |
7601 | NL80211_CHAN_HT20); | |
7602 | break; | |
7603 | } | |
7604 | } | |
7605 | return 0; | |
7606 | ||
7607 | nla_put_failure: | |
7608 | return -ENOBUFS; | |
7609 | } | |
7610 | ||
7611 | ||
7612 | static int nl80211_set_channel(struct i802_bss *bss, | |
7613 | struct hostapd_freq_params *freq, int set_chan) | |
7614 | { | |
7615 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7616 | struct nl_msg *msg; | |
7617 | int ret; | |
7618 | ||
7619 | wpa_printf(MSG_DEBUG, | |
7620 | "nl80211: Set freq %d (ht_enabled=%d, vht_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)", | |
7621 | freq->freq, freq->ht_enabled, freq->vht_enabled, | |
7622 | freq->bandwidth, freq->center_freq1, freq->center_freq2); | |
7623 | msg = nlmsg_alloc(); | |
7624 | if (!msg) | |
7625 | return -1; | |
7626 | ||
7627 | nl80211_cmd(drv, msg, 0, set_chan ? NL80211_CMD_SET_CHANNEL : | |
7628 | NL80211_CMD_SET_WIPHY); | |
7629 | ||
7630 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
7631 | if (nl80211_put_freq_params(msg, freq) < 0) | |
7632 | goto nla_put_failure; | |
7633 | ||
7634 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
7635 | msg = NULL; | |
7636 | if (ret == 0) { | |
7637 | bss->freq = freq->freq; | |
7638 | return 0; | |
7639 | } | |
7640 | wpa_printf(MSG_DEBUG, "nl80211: Failed to set channel (freq=%d): " | |
7641 | "%d (%s)", freq->freq, ret, strerror(-ret)); | |
7642 | nla_put_failure: | |
7643 | nlmsg_free(msg); | |
7644 | return -1; | |
7645 | } | |
7646 | ||
7647 | ||
7648 | static u32 sta_flags_nl80211(int flags) | |
7649 | { | |
7650 | u32 f = 0; | |
7651 | ||
7652 | if (flags & WPA_STA_AUTHORIZED) | |
7653 | f |= BIT(NL80211_STA_FLAG_AUTHORIZED); | |
7654 | if (flags & WPA_STA_WMM) | |
7655 | f |= BIT(NL80211_STA_FLAG_WME); | |
7656 | if (flags & WPA_STA_SHORT_PREAMBLE) | |
7657 | f |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE); | |
7658 | if (flags & WPA_STA_MFP) | |
7659 | f |= BIT(NL80211_STA_FLAG_MFP); | |
7660 | if (flags & WPA_STA_TDLS_PEER) | |
7661 | f |= BIT(NL80211_STA_FLAG_TDLS_PEER); | |
7662 | ||
7663 | return f; | |
7664 | } | |
7665 | ||
7666 | ||
7667 | static int wpa_driver_nl80211_sta_add(void *priv, | |
7668 | struct hostapd_sta_add_params *params) | |
7669 | { | |
7670 | struct i802_bss *bss = priv; | |
7671 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7672 | struct nl_msg *msg; | |
7673 | struct nl80211_sta_flag_update upd; | |
7674 | int ret = -ENOBUFS; | |
7675 | ||
7676 | if ((params->flags & WPA_STA_TDLS_PEER) && | |
7677 | !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) | |
7678 | return -EOPNOTSUPP; | |
7679 | ||
7680 | msg = nlmsg_alloc(); | |
7681 | if (!msg) | |
7682 | return -ENOMEM; | |
7683 | ||
7684 | wpa_printf(MSG_DEBUG, "nl80211: %s STA " MACSTR, | |
7685 | params->set ? "Set" : "Add", MAC2STR(params->addr)); | |
7686 | nl80211_cmd(drv, msg, 0, params->set ? NL80211_CMD_SET_STATION : | |
7687 | NL80211_CMD_NEW_STATION); | |
7688 | ||
7689 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname)); | |
7690 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->addr); | |
7691 | NLA_PUT(msg, NL80211_ATTR_STA_SUPPORTED_RATES, params->supp_rates_len, | |
7692 | params->supp_rates); | |
7693 | wpa_hexdump(MSG_DEBUG, " * supported rates", params->supp_rates, | |
7694 | params->supp_rates_len); | |
7695 | if (!params->set) { | |
7696 | if (params->aid) { | |
7697 | wpa_printf(MSG_DEBUG, " * aid=%u", params->aid); | |
7698 | NLA_PUT_U16(msg, NL80211_ATTR_STA_AID, params->aid); | |
7699 | } else { | |
7700 | /* | |
7701 | * cfg80211 validates that AID is non-zero, so we have | |
7702 | * to make this a non-zero value for the TDLS case where | |
7703 | * a dummy STA entry is used for now. | |
7704 | */ | |
7705 | wpa_printf(MSG_DEBUG, " * aid=1 (TDLS workaround)"); | |
7706 | NLA_PUT_U16(msg, NL80211_ATTR_STA_AID, 1); | |
7707 | } | |
7708 | wpa_printf(MSG_DEBUG, " * listen_interval=%u", | |
7709 | params->listen_interval); | |
7710 | NLA_PUT_U16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL, | |
7711 | params->listen_interval); | |
7712 | } else if (params->aid && (params->flags & WPA_STA_TDLS_PEER)) { | |
7713 | wpa_printf(MSG_DEBUG, " * peer_aid=%u", params->aid); | |
7714 | NLA_PUT_U16(msg, NL80211_ATTR_PEER_AID, params->aid); | |
7715 | } | |
7716 | if (params->ht_capabilities) { | |
7717 | wpa_hexdump(MSG_DEBUG, " * ht_capabilities", | |
7718 | (u8 *) params->ht_capabilities, | |
7719 | sizeof(*params->ht_capabilities)); | |
7720 | NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY, | |
7721 | sizeof(*params->ht_capabilities), | |
7722 | params->ht_capabilities); | |
7723 | } | |
7724 | ||
7725 | if (params->vht_capabilities) { | |
7726 | wpa_hexdump(MSG_DEBUG, " * vht_capabilities", | |
7727 | (u8 *) params->vht_capabilities, | |
7728 | sizeof(*params->vht_capabilities)); | |
7729 | NLA_PUT(msg, NL80211_ATTR_VHT_CAPABILITY, | |
7730 | sizeof(*params->vht_capabilities), | |
7731 | params->vht_capabilities); | |
7732 | } | |
7733 | ||
7734 | if (params->vht_opmode_enabled) { | |
7735 | wpa_printf(MSG_DEBUG, " * opmode=%u", params->vht_opmode); | |
7736 | NLA_PUT_U8(msg, NL80211_ATTR_OPMODE_NOTIF, | |
7737 | params->vht_opmode); | |
7738 | } | |
7739 | ||
7740 | wpa_printf(MSG_DEBUG, " * capability=0x%x", params->capability); | |
7741 | NLA_PUT_U16(msg, NL80211_ATTR_STA_CAPABILITY, params->capability); | |
7742 | ||
7743 | if (params->ext_capab) { | |
7744 | wpa_hexdump(MSG_DEBUG, " * ext_capab", | |
7745 | params->ext_capab, params->ext_capab_len); | |
7746 | NLA_PUT(msg, NL80211_ATTR_STA_EXT_CAPABILITY, | |
7747 | params->ext_capab_len, params->ext_capab); | |
7748 | } | |
7749 | ||
7750 | if (params->supp_channels) { | |
7751 | wpa_hexdump(MSG_DEBUG, " * supported channels", | |
7752 | params->supp_channels, params->supp_channels_len); | |
7753 | NLA_PUT(msg, NL80211_ATTR_STA_SUPPORTED_CHANNELS, | |
7754 | params->supp_channels_len, params->supp_channels); | |
7755 | } | |
7756 | ||
7757 | if (params->supp_oper_classes) { | |
7758 | wpa_hexdump(MSG_DEBUG, " * supported operating classes", | |
7759 | params->supp_oper_classes, | |
7760 | params->supp_oper_classes_len); | |
7761 | NLA_PUT(msg, NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES, | |
7762 | params->supp_oper_classes_len, | |
7763 | params->supp_oper_classes); | |
7764 | } | |
7765 | ||
7766 | os_memset(&upd, 0, sizeof(upd)); | |
7767 | upd.mask = sta_flags_nl80211(params->flags); | |
7768 | upd.set = upd.mask; | |
7769 | wpa_printf(MSG_DEBUG, " * flags set=0x%x mask=0x%x", | |
7770 | upd.set, upd.mask); | |
7771 | NLA_PUT(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd); | |
7772 | ||
7773 | if (params->flags & WPA_STA_WMM) { | |
7774 | struct nlattr *wme = nla_nest_start(msg, NL80211_ATTR_STA_WME); | |
7775 | ||
7776 | if (!wme) | |
7777 | goto nla_put_failure; | |
7778 | ||
7779 | wpa_printf(MSG_DEBUG, " * qosinfo=0x%x", params->qosinfo); | |
7780 | NLA_PUT_U8(msg, NL80211_STA_WME_UAPSD_QUEUES, | |
7781 | params->qosinfo & WMM_QOSINFO_STA_AC_MASK); | |
7782 | NLA_PUT_U8(msg, NL80211_STA_WME_MAX_SP, | |
7783 | (params->qosinfo >> WMM_QOSINFO_STA_SP_SHIFT) & | |
7784 | WMM_QOSINFO_STA_SP_MASK); | |
7785 | nla_nest_end(msg, wme); | |
7786 | } | |
7787 | ||
7788 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
7789 | msg = NULL; | |
7790 | if (ret) | |
7791 | wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_%s_STATION " | |
7792 | "result: %d (%s)", params->set ? "SET" : "NEW", ret, | |
7793 | strerror(-ret)); | |
7794 | if (ret == -EEXIST) | |
7795 | ret = 0; | |
7796 | nla_put_failure: | |
7797 | nlmsg_free(msg); | |
7798 | return ret; | |
7799 | } | |
7800 | ||
7801 | ||
7802 | static void rtnl_neigh_delete_fdb_entry(struct i802_bss *bss, const u8 *addr) | |
7803 | { | |
7804 | #ifdef CONFIG_LIBNL3_ROUTE | |
7805 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7806 | struct rtnl_neigh *rn; | |
7807 | struct nl_addr *nl_addr; | |
7808 | int err; | |
7809 | ||
7810 | rn = rtnl_neigh_alloc(); | |
7811 | if (!rn) | |
7812 | return; | |
7813 | ||
7814 | rtnl_neigh_set_family(rn, AF_BRIDGE); | |
7815 | rtnl_neigh_set_ifindex(rn, bss->ifindex); | |
7816 | nl_addr = nl_addr_build(AF_BRIDGE, (void *) addr, ETH_ALEN); | |
7817 | if (!nl_addr) { | |
7818 | rtnl_neigh_put(rn); | |
7819 | return; | |
7820 | } | |
7821 | rtnl_neigh_set_lladdr(rn, nl_addr); | |
7822 | ||
7823 | err = rtnl_neigh_delete(drv->rtnl_sk, rn, 0); | |
7824 | if (err < 0) { | |
7825 | wpa_printf(MSG_DEBUG, "nl80211: bridge FDB entry delete for " | |
7826 | MACSTR " ifindex=%d failed: %s", MAC2STR(addr), | |
7827 | bss->ifindex, nl_geterror(err)); | |
7828 | } else { | |
7829 | wpa_printf(MSG_DEBUG, "nl80211: deleted bridge FDB entry for " | |
7830 | MACSTR, MAC2STR(addr)); | |
7831 | } | |
7832 | ||
7833 | nl_addr_put(nl_addr); | |
7834 | rtnl_neigh_put(rn); | |
7835 | #endif /* CONFIG_LIBNL3_ROUTE */ | |
7836 | } | |
7837 | ||
7838 | ||
7839 | static int wpa_driver_nl80211_sta_remove(struct i802_bss *bss, const u8 *addr, | |
7840 | int deauth, u16 reason_code) | |
7841 | { | |
7842 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7843 | struct nl_msg *msg; | |
7844 | int ret; | |
7845 | ||
7846 | msg = nlmsg_alloc(); | |
7847 | if (!msg) | |
7848 | return -ENOMEM; | |
7849 | ||
7850 | nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_STATION); | |
7851 | ||
7852 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, | |
7853 | if_nametoindex(bss->ifname)); | |
7854 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); | |
7855 | if (deauth == 0) | |
7856 | NLA_PUT_U8(msg, NL80211_ATTR_MGMT_SUBTYPE, | |
7857 | WLAN_FC_STYPE_DISASSOC); | |
7858 | else if (deauth == 1) | |
7859 | NLA_PUT_U8(msg, NL80211_ATTR_MGMT_SUBTYPE, | |
7860 | WLAN_FC_STYPE_DEAUTH); | |
7861 | if (reason_code) | |
7862 | NLA_PUT_U16(msg, NL80211_ATTR_REASON_CODE, reason_code); | |
7863 | ||
7864 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
7865 | wpa_printf(MSG_DEBUG, "nl80211: sta_remove -> DEL_STATION %s " MACSTR | |
7866 | " --> %d (%s)", | |
7867 | bss->ifname, MAC2STR(addr), ret, strerror(-ret)); | |
7868 | ||
7869 | if (drv->rtnl_sk) | |
7870 | rtnl_neigh_delete_fdb_entry(bss, addr); | |
7871 | ||
7872 | if (ret == -ENOENT) | |
7873 | return 0; | |
7874 | return ret; | |
7875 | nla_put_failure: | |
7876 | nlmsg_free(msg); | |
7877 | return -ENOBUFS; | |
7878 | } | |
7879 | ||
7880 | ||
7881 | static void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv, | |
7882 | int ifidx) | |
7883 | { | |
7884 | struct nl_msg *msg; | |
7885 | struct wpa_driver_nl80211_data *drv2; | |
7886 | ||
7887 | wpa_printf(MSG_DEBUG, "nl80211: Remove interface ifindex=%d", ifidx); | |
7888 | ||
7889 | /* stop listening for EAPOL on this interface */ | |
7890 | dl_list_for_each(drv2, &drv->global->interfaces, | |
7891 | struct wpa_driver_nl80211_data, list) | |
7892 | del_ifidx(drv2, ifidx); | |
7893 | ||
7894 | msg = nlmsg_alloc(); | |
7895 | if (!msg) | |
7896 | goto nla_put_failure; | |
7897 | ||
7898 | nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_INTERFACE); | |
7899 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifidx); | |
7900 | ||
7901 | if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0) | |
7902 | return; | |
7903 | msg = NULL; | |
7904 | nla_put_failure: | |
7905 | nlmsg_free(msg); | |
7906 | wpa_printf(MSG_ERROR, "Failed to remove interface (ifidx=%d)", ifidx); | |
7907 | } | |
7908 | ||
7909 | ||
7910 | static const char * nl80211_iftype_str(enum nl80211_iftype mode) | |
7911 | { | |
7912 | switch (mode) { | |
7913 | case NL80211_IFTYPE_ADHOC: | |
7914 | return "ADHOC"; | |
7915 | case NL80211_IFTYPE_STATION: | |
7916 | return "STATION"; | |
7917 | case NL80211_IFTYPE_AP: | |
7918 | return "AP"; | |
7919 | case NL80211_IFTYPE_AP_VLAN: | |
7920 | return "AP_VLAN"; | |
7921 | case NL80211_IFTYPE_WDS: | |
7922 | return "WDS"; | |
7923 | case NL80211_IFTYPE_MONITOR: | |
7924 | return "MONITOR"; | |
7925 | case NL80211_IFTYPE_MESH_POINT: | |
7926 | return "MESH_POINT"; | |
7927 | case NL80211_IFTYPE_P2P_CLIENT: | |
7928 | return "P2P_CLIENT"; | |
7929 | case NL80211_IFTYPE_P2P_GO: | |
7930 | return "P2P_GO"; | |
7931 | case NL80211_IFTYPE_P2P_DEVICE: | |
7932 | return "P2P_DEVICE"; | |
7933 | default: | |
7934 | return "unknown"; | |
7935 | } | |
7936 | } | |
7937 | ||
7938 | ||
7939 | static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv, | |
7940 | const char *ifname, | |
7941 | enum nl80211_iftype iftype, | |
7942 | const u8 *addr, int wds, | |
7943 | int (*handler)(struct nl_msg *, void *), | |
7944 | void *arg) | |
7945 | { | |
7946 | struct nl_msg *msg; | |
7947 | int ifidx; | |
7948 | int ret = -ENOBUFS; | |
7949 | ||
7950 | wpa_printf(MSG_DEBUG, "nl80211: Create interface iftype %d (%s)", | |
7951 | iftype, nl80211_iftype_str(iftype)); | |
7952 | ||
7953 | msg = nlmsg_alloc(); | |
7954 | if (!msg) | |
7955 | return -1; | |
7956 | ||
7957 | nl80211_cmd(drv, msg, 0, NL80211_CMD_NEW_INTERFACE); | |
7958 | if (nl80211_set_iface_id(msg, drv->first_bss) < 0) | |
7959 | goto nla_put_failure; | |
7960 | NLA_PUT_STRING(msg, NL80211_ATTR_IFNAME, ifname); | |
7961 | NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, iftype); | |
7962 | ||
7963 | if (iftype == NL80211_IFTYPE_MONITOR) { | |
7964 | struct nlattr *flags; | |
7965 | ||
7966 | flags = nla_nest_start(msg, NL80211_ATTR_MNTR_FLAGS); | |
7967 | if (!flags) | |
7968 | goto nla_put_failure; | |
7969 | ||
7970 | NLA_PUT_FLAG(msg, NL80211_MNTR_FLAG_COOK_FRAMES); | |
7971 | ||
7972 | nla_nest_end(msg, flags); | |
7973 | } else if (wds) { | |
7974 | NLA_PUT_U8(msg, NL80211_ATTR_4ADDR, wds); | |
7975 | } | |
7976 | ||
7977 | /* | |
7978 | * Tell cfg80211 that the interface belongs to the socket that created | |
7979 | * it, and the interface should be deleted when the socket is closed. | |
7980 | */ | |
7981 | NLA_PUT_FLAG(msg, NL80211_ATTR_IFACE_SOCKET_OWNER); | |
7982 | ||
7983 | ret = send_and_recv_msgs(drv, msg, handler, arg); | |
7984 | msg = NULL; | |
7985 | if (ret) { | |
7986 | nla_put_failure: | |
7987 | nlmsg_free(msg); | |
7988 | wpa_printf(MSG_ERROR, "Failed to create interface %s: %d (%s)", | |
7989 | ifname, ret, strerror(-ret)); | |
7990 | return ret; | |
7991 | } | |
7992 | ||
7993 | if (iftype == NL80211_IFTYPE_P2P_DEVICE) | |
7994 | return 0; | |
7995 | ||
7996 | ifidx = if_nametoindex(ifname); | |
7997 | wpa_printf(MSG_DEBUG, "nl80211: New interface %s created: ifindex=%d", | |
7998 | ifname, ifidx); | |
7999 | ||
8000 | if (ifidx <= 0) | |
8001 | return -1; | |
8002 | ||
8003 | /* | |
8004 | * Some virtual interfaces need to process EAPOL packets and events on | |
8005 | * the parent interface. This is used mainly with hostapd. | |
8006 | */ | |
8007 | if (drv->hostapd || | |
8008 | iftype == NL80211_IFTYPE_AP_VLAN || | |
8009 | iftype == NL80211_IFTYPE_WDS || | |
8010 | iftype == NL80211_IFTYPE_MONITOR) { | |
8011 | /* start listening for EAPOL on this interface */ | |
8012 | add_ifidx(drv, ifidx); | |
8013 | } | |
8014 | ||
8015 | if (addr && iftype != NL80211_IFTYPE_MONITOR && | |
8016 | linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, addr)) { | |
8017 | nl80211_remove_iface(drv, ifidx); | |
8018 | return -1; | |
8019 | } | |
8020 | ||
8021 | return ifidx; | |
8022 | } | |
8023 | ||
8024 | ||
8025 | static int nl80211_create_iface(struct wpa_driver_nl80211_data *drv, | |
8026 | const char *ifname, enum nl80211_iftype iftype, | |
8027 | const u8 *addr, int wds, | |
8028 | int (*handler)(struct nl_msg *, void *), | |
8029 | void *arg, int use_existing) | |
8030 | { | |
8031 | int ret; | |
8032 | ||
8033 | ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds, handler, | |
8034 | arg); | |
8035 | ||
8036 | /* if error occurred and interface exists already */ | |
8037 | if (ret == -ENFILE && if_nametoindex(ifname)) { | |
8038 | if (use_existing) { | |
8039 | wpa_printf(MSG_DEBUG, "nl80211: Continue using existing interface %s", | |
8040 | ifname); | |
8041 | if (addr && iftype != NL80211_IFTYPE_MONITOR && | |
8042 | linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, | |
8043 | addr) < 0 && | |
8044 | (linux_set_iface_flags(drv->global->ioctl_sock, | |
8045 | ifname, 0) < 0 || | |
8046 | linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, | |
8047 | addr) < 0 || | |
8048 | linux_set_iface_flags(drv->global->ioctl_sock, | |
8049 | ifname, 1) < 0)) | |
8050 | return -1; | |
8051 | return -ENFILE; | |
8052 | } | |
8053 | wpa_printf(MSG_INFO, "Try to remove and re-create %s", ifname); | |
8054 | ||
8055 | /* Try to remove the interface that was already there. */ | |
8056 | nl80211_remove_iface(drv, if_nametoindex(ifname)); | |
8057 | ||
8058 | /* Try to create the interface again */ | |
8059 | ret = nl80211_create_iface_once(drv, ifname, iftype, addr, | |
8060 | wds, handler, arg); | |
8061 | } | |
8062 | ||
8063 | if (ret >= 0 && is_p2p_net_interface(iftype)) | |
8064 | nl80211_disable_11b_rates(drv, ret, 1); | |
8065 | ||
8066 | return ret; | |
8067 | } | |
8068 | ||
8069 | ||
8070 | static void handle_tx_callback(void *ctx, u8 *buf, size_t len, int ok) | |
8071 | { | |
8072 | struct ieee80211_hdr *hdr; | |
8073 | u16 fc; | |
8074 | union wpa_event_data event; | |
8075 | ||
8076 | hdr = (struct ieee80211_hdr *) buf; | |
8077 | fc = le_to_host16(hdr->frame_control); | |
8078 | ||
8079 | os_memset(&event, 0, sizeof(event)); | |
8080 | event.tx_status.type = WLAN_FC_GET_TYPE(fc); | |
8081 | event.tx_status.stype = WLAN_FC_GET_STYPE(fc); | |
8082 | event.tx_status.dst = hdr->addr1; | |
8083 | event.tx_status.data = buf; | |
8084 | event.tx_status.data_len = len; | |
8085 | event.tx_status.ack = ok; | |
8086 | wpa_supplicant_event(ctx, EVENT_TX_STATUS, &event); | |
8087 | } | |
8088 | ||
8089 | ||
8090 | static void from_unknown_sta(struct wpa_driver_nl80211_data *drv, | |
8091 | u8 *buf, size_t len) | |
8092 | { | |
8093 | struct ieee80211_hdr *hdr = (void *)buf; | |
8094 | u16 fc; | |
8095 | union wpa_event_data event; | |
8096 | ||
8097 | if (len < sizeof(*hdr)) | |
8098 | return; | |
8099 | ||
8100 | fc = le_to_host16(hdr->frame_control); | |
8101 | ||
8102 | os_memset(&event, 0, sizeof(event)); | |
8103 | event.rx_from_unknown.bssid = get_hdr_bssid(hdr, len); | |
8104 | event.rx_from_unknown.addr = hdr->addr2; | |
8105 | event.rx_from_unknown.wds = (fc & (WLAN_FC_FROMDS | WLAN_FC_TODS)) == | |
8106 | (WLAN_FC_FROMDS | WLAN_FC_TODS); | |
8107 | wpa_supplicant_event(drv->ctx, EVENT_RX_FROM_UNKNOWN, &event); | |
8108 | } | |
8109 | ||
8110 | ||
8111 | static void handle_frame(struct wpa_driver_nl80211_data *drv, | |
8112 | u8 *buf, size_t len, int datarate, int ssi_signal) | |
8113 | { | |
8114 | struct ieee80211_hdr *hdr; | |
8115 | u16 fc; | |
8116 | union wpa_event_data event; | |
8117 | ||
8118 | hdr = (struct ieee80211_hdr *) buf; | |
8119 | fc = le_to_host16(hdr->frame_control); | |
8120 | ||
8121 | switch (WLAN_FC_GET_TYPE(fc)) { | |
8122 | case WLAN_FC_TYPE_MGMT: | |
8123 | os_memset(&event, 0, sizeof(event)); | |
8124 | event.rx_mgmt.frame = buf; | |
8125 | event.rx_mgmt.frame_len = len; | |
8126 | event.rx_mgmt.datarate = datarate; | |
8127 | event.rx_mgmt.ssi_signal = ssi_signal; | |
8128 | wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event); | |
8129 | break; | |
8130 | case WLAN_FC_TYPE_CTRL: | |
8131 | /* can only get here with PS-Poll frames */ | |
8132 | wpa_printf(MSG_DEBUG, "CTRL"); | |
8133 | from_unknown_sta(drv, buf, len); | |
8134 | break; | |
8135 | case WLAN_FC_TYPE_DATA: | |
8136 | from_unknown_sta(drv, buf, len); | |
8137 | break; | |
8138 | } | |
8139 | } | |
8140 | ||
8141 | ||
8142 | static void handle_monitor_read(int sock, void *eloop_ctx, void *sock_ctx) | |
8143 | { | |
8144 | struct wpa_driver_nl80211_data *drv = eloop_ctx; | |
8145 | int len; | |
8146 | unsigned char buf[3000]; | |
8147 | struct ieee80211_radiotap_iterator iter; | |
8148 | int ret; | |
8149 | int datarate = 0, ssi_signal = 0; | |
8150 | int injected = 0, failed = 0, rxflags = 0; | |
8151 | ||
8152 | len = recv(sock, buf, sizeof(buf), 0); | |
8153 | if (len < 0) { | |
8154 | wpa_printf(MSG_ERROR, "nl80211: Monitor socket recv failed: %s", | |
8155 | strerror(errno)); | |
8156 | return; | |
8157 | } | |
8158 | ||
8159 | if (ieee80211_radiotap_iterator_init(&iter, (void *) buf, len, NULL)) { | |
8160 | wpa_printf(MSG_INFO, "nl80211: received invalid radiotap frame"); | |
8161 | return; | |
8162 | } | |
8163 | ||
8164 | while (1) { | |
8165 | ret = ieee80211_radiotap_iterator_next(&iter); | |
8166 | if (ret == -ENOENT) | |
8167 | break; | |
8168 | if (ret) { | |
8169 | wpa_printf(MSG_INFO, "nl80211: received invalid radiotap frame (%d)", | |
8170 | ret); | |
8171 | return; | |
8172 | } | |
8173 | switch (iter.this_arg_index) { | |
8174 | case IEEE80211_RADIOTAP_FLAGS: | |
8175 | if (*iter.this_arg & IEEE80211_RADIOTAP_F_FCS) | |
8176 | len -= 4; | |
8177 | break; | |
8178 | case IEEE80211_RADIOTAP_RX_FLAGS: | |
8179 | rxflags = 1; | |
8180 | break; | |
8181 | case IEEE80211_RADIOTAP_TX_FLAGS: | |
8182 | injected = 1; | |
8183 | failed = le_to_host16((*(uint16_t *) iter.this_arg)) & | |
8184 | IEEE80211_RADIOTAP_F_TX_FAIL; | |
8185 | break; | |
8186 | case IEEE80211_RADIOTAP_DATA_RETRIES: | |
8187 | break; | |
8188 | case IEEE80211_RADIOTAP_CHANNEL: | |
8189 | /* TODO: convert from freq/flags to channel number */ | |
8190 | break; | |
8191 | case IEEE80211_RADIOTAP_RATE: | |
8192 | datarate = *iter.this_arg * 5; | |
8193 | break; | |
8194 | case IEEE80211_RADIOTAP_DBM_ANTSIGNAL: | |
8195 | ssi_signal = (s8) *iter.this_arg; | |
8196 | break; | |
8197 | } | |
8198 | } | |
8199 | ||
8200 | if (rxflags && injected) | |
8201 | return; | |
8202 | ||
8203 | if (!injected) | |
8204 | handle_frame(drv, buf + iter._max_length, | |
8205 | len - iter._max_length, datarate, ssi_signal); | |
8206 | else | |
8207 | handle_tx_callback(drv->ctx, buf + iter._max_length, | |
8208 | len - iter._max_length, !failed); | |
8209 | } | |
8210 | ||
8211 | ||
8212 | /* | |
8213 | * we post-process the filter code later and rewrite | |
8214 | * this to the offset to the last instruction | |
8215 | */ | |
8216 | #define PASS 0xFF | |
8217 | #define FAIL 0xFE | |
8218 | ||
8219 | static struct sock_filter msock_filter_insns[] = { | |
8220 | /* | |
8221 | * do a little-endian load of the radiotap length field | |
8222 | */ | |
8223 | /* load lower byte into A */ | |
8224 | BPF_STMT(BPF_LD | BPF_B | BPF_ABS, 2), | |
8225 | /* put it into X (== index register) */ | |
8226 | BPF_STMT(BPF_MISC| BPF_TAX, 0), | |
8227 | /* load upper byte into A */ | |
8228 | BPF_STMT(BPF_LD | BPF_B | BPF_ABS, 3), | |
8229 | /* left-shift it by 8 */ | |
8230 | BPF_STMT(BPF_ALU | BPF_LSH | BPF_K, 8), | |
8231 | /* or with X */ | |
8232 | BPF_STMT(BPF_ALU | BPF_OR | BPF_X, 0), | |
8233 | /* put result into X */ | |
8234 | BPF_STMT(BPF_MISC| BPF_TAX, 0), | |
8235 | ||
8236 | /* | |
8237 | * Allow management frames through, this also gives us those | |
8238 | * management frames that we sent ourselves with status | |
8239 | */ | |
8240 | /* load the lower byte of the IEEE 802.11 frame control field */ | |
8241 | BPF_STMT(BPF_LD | BPF_B | BPF_IND, 0), | |
8242 | /* mask off frame type and version */ | |
8243 | BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0xF), | |
8244 | /* accept frame if it's both 0, fall through otherwise */ | |
8245 | BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0, PASS, 0), | |
8246 | ||
8247 | /* | |
8248 | * TODO: add a bit to radiotap RX flags that indicates | |
8249 | * that the sending station is not associated, then | |
8250 | * add a filter here that filters on our DA and that flag | |
8251 | * to allow us to deauth frames to that bad station. | |
8252 | * | |
8253 | * For now allow all To DS data frames through. | |
8254 | */ | |
8255 | /* load the IEEE 802.11 frame control field */ | |
8256 | BPF_STMT(BPF_LD | BPF_H | BPF_IND, 0), | |
8257 | /* mask off frame type, version and DS status */ | |
8258 | BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x0F03), | |
8259 | /* accept frame if version 0, type 2 and To DS, fall through otherwise | |
8260 | */ | |
8261 | BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x0801, PASS, 0), | |
8262 | ||
8263 | #if 0 | |
8264 | /* | |
8265 | * drop non-data frames | |
8266 | */ | |
8267 | /* load the lower byte of the frame control field */ | |
8268 | BPF_STMT(BPF_LD | BPF_B | BPF_IND, 0), | |
8269 | /* mask off QoS bit */ | |
8270 | BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x0c), | |
8271 | /* drop non-data frames */ | |
8272 | BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 8, 0, FAIL), | |
8273 | #endif | |
8274 | /* load the upper byte of the frame control field */ | |
8275 | BPF_STMT(BPF_LD | BPF_B | BPF_IND, 1), | |
8276 | /* mask off toDS/fromDS */ | |
8277 | BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x03), | |
8278 | /* accept WDS frames */ | |
8279 | BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 3, PASS, 0), | |
8280 | ||
8281 | /* | |
8282 | * add header length to index | |
8283 | */ | |
8284 | /* load the lower byte of the frame control field */ | |
8285 | BPF_STMT(BPF_LD | BPF_B | BPF_IND, 0), | |
8286 | /* mask off QoS bit */ | |
8287 | BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x80), | |
8288 | /* right shift it by 6 to give 0 or 2 */ | |
8289 | BPF_STMT(BPF_ALU | BPF_RSH | BPF_K, 6), | |
8290 | /* add data frame header length */ | |
8291 | BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 24), | |
8292 | /* add index, was start of 802.11 header */ | |
8293 | BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0), | |
8294 | /* move to index, now start of LL header */ | |
8295 | BPF_STMT(BPF_MISC | BPF_TAX, 0), | |
8296 | ||
8297 | /* | |
8298 | * Accept empty data frames, we use those for | |
8299 | * polling activity. | |
8300 | */ | |
8301 | BPF_STMT(BPF_LD | BPF_W | BPF_LEN, 0), | |
8302 | BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_X, 0, PASS, 0), | |
8303 | ||
8304 | /* | |
8305 | * Accept EAPOL frames | |
8306 | */ | |
8307 | BPF_STMT(BPF_LD | BPF_W | BPF_IND, 0), | |
8308 | BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0xAAAA0300, 0, FAIL), | |
8309 | BPF_STMT(BPF_LD | BPF_W | BPF_IND, 4), | |
8310 | BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x0000888E, PASS, FAIL), | |
8311 | ||
8312 | /* keep these last two statements or change the code below */ | |
8313 | /* return 0 == "DROP" */ | |
8314 | BPF_STMT(BPF_RET | BPF_K, 0), | |
8315 | /* return ~0 == "keep all" */ | |
8316 | BPF_STMT(BPF_RET | BPF_K, ~0), | |
8317 | }; | |
8318 | ||
8319 | static struct sock_fprog msock_filter = { | |
8320 | .len = ARRAY_SIZE(msock_filter_insns), | |
8321 | .filter = msock_filter_insns, | |
8322 | }; | |
8323 | ||
8324 | ||
8325 | static int add_monitor_filter(int s) | |
8326 | { | |
8327 | int idx; | |
8328 | ||
8329 | /* rewrite all PASS/FAIL jump offsets */ | |
8330 | for (idx = 0; idx < msock_filter.len; idx++) { | |
8331 | struct sock_filter *insn = &msock_filter_insns[idx]; | |
8332 | ||
8333 | if (BPF_CLASS(insn->code) == BPF_JMP) { | |
8334 | if (insn->code == (BPF_JMP|BPF_JA)) { | |
8335 | if (insn->k == PASS) | |
8336 | insn->k = msock_filter.len - idx - 2; | |
8337 | else if (insn->k == FAIL) | |
8338 | insn->k = msock_filter.len - idx - 3; | |
8339 | } | |
8340 | ||
8341 | if (insn->jt == PASS) | |
8342 | insn->jt = msock_filter.len - idx - 2; | |
8343 | else if (insn->jt == FAIL) | |
8344 | insn->jt = msock_filter.len - idx - 3; | |
8345 | ||
8346 | if (insn->jf == PASS) | |
8347 | insn->jf = msock_filter.len - idx - 2; | |
8348 | else if (insn->jf == FAIL) | |
8349 | insn->jf = msock_filter.len - idx - 3; | |
8350 | } | |
8351 | } | |
8352 | ||
8353 | if (setsockopt(s, SOL_SOCKET, SO_ATTACH_FILTER, | |
8354 | &msock_filter, sizeof(msock_filter))) { | |
8355 | wpa_printf(MSG_ERROR, "nl80211: setsockopt(SO_ATTACH_FILTER) failed: %s", | |
8356 | strerror(errno)); | |
8357 | return -1; | |
8358 | } | |
8359 | ||
8360 | return 0; | |
8361 | } | |
8362 | ||
8363 | ||
8364 | static void nl80211_remove_monitor_interface( | |
8365 | struct wpa_driver_nl80211_data *drv) | |
8366 | { | |
8367 | if (drv->monitor_refcount > 0) | |
8368 | drv->monitor_refcount--; | |
8369 | wpa_printf(MSG_DEBUG, "nl80211: Remove monitor interface: refcount=%d", | |
8370 | drv->monitor_refcount); | |
8371 | if (drv->monitor_refcount > 0) | |
8372 | return; | |
8373 | ||
8374 | if (drv->monitor_ifidx >= 0) { | |
8375 | nl80211_remove_iface(drv, drv->monitor_ifidx); | |
8376 | drv->monitor_ifidx = -1; | |
8377 | } | |
8378 | if (drv->monitor_sock >= 0) { | |
8379 | eloop_unregister_read_sock(drv->monitor_sock); | |
8380 | close(drv->monitor_sock); | |
8381 | drv->monitor_sock = -1; | |
8382 | } | |
8383 | } | |
8384 | ||
8385 | ||
8386 | static int | |
8387 | nl80211_create_monitor_interface(struct wpa_driver_nl80211_data *drv) | |
8388 | { | |
8389 | char buf[IFNAMSIZ]; | |
8390 | struct sockaddr_ll ll; | |
8391 | int optval; | |
8392 | socklen_t optlen; | |
8393 | ||
8394 | if (drv->monitor_ifidx >= 0) { | |
8395 | drv->monitor_refcount++; | |
8396 | wpa_printf(MSG_DEBUG, "nl80211: Re-use existing monitor interface: refcount=%d", | |
8397 | drv->monitor_refcount); | |
8398 | return 0; | |
8399 | } | |
8400 | ||
8401 | if (os_strncmp(drv->first_bss->ifname, "p2p-", 4) == 0) { | |
8402 | /* | |
8403 | * P2P interface name is of the format p2p-%s-%d. For monitor | |
8404 | * interface name corresponding to P2P GO, replace "p2p-" with | |
8405 | * "mon-" to retain the same interface name length and to | |
8406 | * indicate that it is a monitor interface. | |
8407 | */ | |
8408 | snprintf(buf, IFNAMSIZ, "mon-%s", drv->first_bss->ifname + 4); | |
8409 | } else { | |
8410 | /* Non-P2P interface with AP functionality. */ | |
8411 | snprintf(buf, IFNAMSIZ, "mon.%s", drv->first_bss->ifname); | |
8412 | } | |
8413 | ||
8414 | buf[IFNAMSIZ - 1] = '\0'; | |
8415 | ||
8416 | drv->monitor_ifidx = | |
8417 | nl80211_create_iface(drv, buf, NL80211_IFTYPE_MONITOR, NULL, | |
8418 | 0, NULL, NULL, 0); | |
8419 | ||
8420 | if (drv->monitor_ifidx == -EOPNOTSUPP) { | |
8421 | /* | |
8422 | * This is backward compatibility for a few versions of | |
8423 | * the kernel only that didn't advertise the right | |
8424 | * attributes for the only driver that then supported | |
8425 | * AP mode w/o monitor -- ath6kl. | |
8426 | */ | |
8427 | wpa_printf(MSG_DEBUG, "nl80211: Driver does not support " | |
8428 | "monitor interface type - try to run without it"); | |
8429 | drv->device_ap_sme = 1; | |
8430 | } | |
8431 | ||
8432 | if (drv->monitor_ifidx < 0) | |
8433 | return -1; | |
8434 | ||
8435 | if (linux_set_iface_flags(drv->global->ioctl_sock, buf, 1)) | |
8436 | goto error; | |
8437 | ||
8438 | memset(&ll, 0, sizeof(ll)); | |
8439 | ll.sll_family = AF_PACKET; | |
8440 | ll.sll_ifindex = drv->monitor_ifidx; | |
8441 | drv->monitor_sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL)); | |
8442 | if (drv->monitor_sock < 0) { | |
8443 | wpa_printf(MSG_ERROR, "nl80211: socket[PF_PACKET,SOCK_RAW] failed: %s", | |
8444 | strerror(errno)); | |
8445 | goto error; | |
8446 | } | |
8447 | ||
8448 | if (add_monitor_filter(drv->monitor_sock)) { | |
8449 | wpa_printf(MSG_INFO, "Failed to set socket filter for monitor " | |
8450 | "interface; do filtering in user space"); | |
8451 | /* This works, but will cost in performance. */ | |
8452 | } | |
8453 | ||
8454 | if (bind(drv->monitor_sock, (struct sockaddr *) &ll, sizeof(ll)) < 0) { | |
8455 | wpa_printf(MSG_ERROR, "nl80211: monitor socket bind failed: %s", | |
8456 | strerror(errno)); | |
8457 | goto error; | |
8458 | } | |
8459 | ||
8460 | optlen = sizeof(optval); | |
8461 | optval = 20; | |
8462 | if (setsockopt | |
8463 | (drv->monitor_sock, SOL_SOCKET, SO_PRIORITY, &optval, optlen)) { | |
8464 | wpa_printf(MSG_ERROR, "nl80211: Failed to set socket priority: %s", | |
8465 | strerror(errno)); | |
8466 | goto error; | |
8467 | } | |
8468 | ||
8469 | if (eloop_register_read_sock(drv->monitor_sock, handle_monitor_read, | |
8470 | drv, NULL)) { | |
8471 | wpa_printf(MSG_INFO, "nl80211: Could not register monitor read socket"); | |
8472 | goto error; | |
8473 | } | |
8474 | ||
8475 | drv->monitor_refcount++; | |
8476 | return 0; | |
8477 | error: | |
8478 | nl80211_remove_monitor_interface(drv); | |
8479 | return -1; | |
8480 | } | |
8481 | ||
8482 | ||
8483 | static int nl80211_setup_ap(struct i802_bss *bss) | |
8484 | { | |
8485 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8486 | ||
8487 | wpa_printf(MSG_DEBUG, "nl80211: Setup AP(%s) - device_ap_sme=%d use_monitor=%d", | |
8488 | bss->ifname, drv->device_ap_sme, drv->use_monitor); | |
8489 | ||
8490 | /* | |
8491 | * Disable Probe Request reporting unless we need it in this way for | |
8492 | * devices that include the AP SME, in the other case (unless using | |
8493 | * monitor iface) we'll get it through the nl_mgmt socket instead. | |
8494 | */ | |
8495 | if (!drv->device_ap_sme) | |
8496 | wpa_driver_nl80211_probe_req_report(bss, 0); | |
8497 | ||
8498 | if (!drv->device_ap_sme && !drv->use_monitor) | |
8499 | if (nl80211_mgmt_subscribe_ap(bss)) | |
8500 | return -1; | |
8501 | ||
8502 | if (drv->device_ap_sme && !drv->use_monitor) | |
8503 | if (nl80211_mgmt_subscribe_ap_dev_sme(bss)) | |
8504 | return -1; | |
8505 | ||
8506 | if (!drv->device_ap_sme && drv->use_monitor && | |
8507 | nl80211_create_monitor_interface(drv) && | |
8508 | !drv->device_ap_sme) | |
8509 | return -1; | |
8510 | ||
8511 | if (drv->device_ap_sme && | |
8512 | wpa_driver_nl80211_probe_req_report(bss, 1) < 0) { | |
8513 | wpa_printf(MSG_DEBUG, "nl80211: Failed to enable " | |
8514 | "Probe Request frame reporting in AP mode"); | |
8515 | /* Try to survive without this */ | |
8516 | } | |
8517 | ||
8518 | return 0; | |
8519 | } | |
8520 | ||
8521 | ||
8522 | static void nl80211_teardown_ap(struct i802_bss *bss) | |
8523 | { | |
8524 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8525 | ||
8526 | wpa_printf(MSG_DEBUG, "nl80211: Teardown AP(%s) - device_ap_sme=%d use_monitor=%d", | |
8527 | bss->ifname, drv->device_ap_sme, drv->use_monitor); | |
8528 | if (drv->device_ap_sme) { | |
8529 | wpa_driver_nl80211_probe_req_report(bss, 0); | |
8530 | if (!drv->use_monitor) | |
8531 | nl80211_mgmt_unsubscribe(bss, "AP teardown (dev SME)"); | |
8532 | } else if (drv->use_monitor) | |
8533 | nl80211_remove_monitor_interface(drv); | |
8534 | else | |
8535 | nl80211_mgmt_unsubscribe(bss, "AP teardown"); | |
8536 | ||
8537 | bss->beacon_set = 0; | |
8538 | } | |
8539 | ||
8540 | ||
8541 | static int nl80211_send_eapol_data(struct i802_bss *bss, | |
8542 | const u8 *addr, const u8 *data, | |
8543 | size_t data_len) | |
8544 | { | |
8545 | struct sockaddr_ll ll; | |
8546 | int ret; | |
8547 | ||
8548 | if (bss->drv->eapol_tx_sock < 0) { | |
8549 | wpa_printf(MSG_DEBUG, "nl80211: No socket to send EAPOL"); | |
8550 | return -1; | |
8551 | } | |
8552 | ||
8553 | os_memset(&ll, 0, sizeof(ll)); | |
8554 | ll.sll_family = AF_PACKET; | |
8555 | ll.sll_ifindex = bss->ifindex; | |
8556 | ll.sll_protocol = htons(ETH_P_PAE); | |
8557 | ll.sll_halen = ETH_ALEN; | |
8558 | os_memcpy(ll.sll_addr, addr, ETH_ALEN); | |
8559 | ret = sendto(bss->drv->eapol_tx_sock, data, data_len, 0, | |
8560 | (struct sockaddr *) &ll, sizeof(ll)); | |
8561 | if (ret < 0) | |
8562 | wpa_printf(MSG_ERROR, "nl80211: EAPOL TX: %s", | |
8563 | strerror(errno)); | |
8564 | ||
8565 | return ret; | |
8566 | } | |
8567 | ||
8568 | ||
8569 | static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 }; | |
8570 | ||
8571 | static int wpa_driver_nl80211_hapd_send_eapol( | |
8572 | void *priv, const u8 *addr, const u8 *data, | |
8573 | size_t data_len, int encrypt, const u8 *own_addr, u32 flags) | |
8574 | { | |
8575 | struct i802_bss *bss = priv; | |
8576 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8577 | struct ieee80211_hdr *hdr; | |
8578 | size_t len; | |
8579 | u8 *pos; | |
8580 | int res; | |
8581 | int qos = flags & WPA_STA_WMM; | |
8582 | ||
8583 | if (drv->device_ap_sme || !drv->use_monitor) | |
8584 | return nl80211_send_eapol_data(bss, addr, data, data_len); | |
8585 | ||
8586 | len = sizeof(*hdr) + (qos ? 2 : 0) + sizeof(rfc1042_header) + 2 + | |
8587 | data_len; | |
8588 | hdr = os_zalloc(len); | |
8589 | if (hdr == NULL) { | |
8590 | wpa_printf(MSG_INFO, "nl80211: Failed to allocate EAPOL buffer(len=%lu)", | |
8591 | (unsigned long) len); | |
8592 | return -1; | |
8593 | } | |
8594 | ||
8595 | hdr->frame_control = | |
8596 | IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA); | |
8597 | hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS); | |
8598 | if (encrypt) | |
8599 | hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP); | |
8600 | if (qos) { | |
8601 | hdr->frame_control |= | |
8602 | host_to_le16(WLAN_FC_STYPE_QOS_DATA << 4); | |
8603 | } | |
8604 | ||
8605 | memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN); | |
8606 | memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN); | |
8607 | memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN); | |
8608 | pos = (u8 *) (hdr + 1); | |
8609 | ||
8610 | if (qos) { | |
8611 | /* Set highest priority in QoS header */ | |
8612 | pos[0] = 7; | |
8613 | pos[1] = 0; | |
8614 | pos += 2; | |
8615 | } | |
8616 | ||
8617 | memcpy(pos, rfc1042_header, sizeof(rfc1042_header)); | |
8618 | pos += sizeof(rfc1042_header); | |
8619 | WPA_PUT_BE16(pos, ETH_P_PAE); | |
8620 | pos += 2; | |
8621 | memcpy(pos, data, data_len); | |
8622 | ||
8623 | res = wpa_driver_nl80211_send_frame(bss, (u8 *) hdr, len, encrypt, 0, | |
8624 | 0, 0, 0, 0); | |
8625 | if (res < 0) { | |
8626 | wpa_printf(MSG_ERROR, "i802_send_eapol - packet len: %lu - " | |
8627 | "failed: %d (%s)", | |
8628 | (unsigned long) len, errno, strerror(errno)); | |
8629 | } | |
8630 | os_free(hdr); | |
8631 | ||
8632 | return res; | |
8633 | } | |
8634 | ||
8635 | ||
8636 | static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr, | |
8637 | int total_flags, | |
8638 | int flags_or, int flags_and) | |
8639 | { | |
8640 | struct i802_bss *bss = priv; | |
8641 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8642 | struct nl_msg *msg; | |
8643 | struct nlattr *flags; | |
8644 | struct nl80211_sta_flag_update upd; | |
8645 | ||
8646 | wpa_printf(MSG_DEBUG, "nl80211: Set STA flags - ifname=%s addr=" MACSTR | |
8647 | " total_flags=0x%x flags_or=0x%x flags_and=0x%x authorized=%d", | |
8648 | bss->ifname, MAC2STR(addr), total_flags, flags_or, flags_and, | |
8649 | !!(total_flags & WPA_STA_AUTHORIZED)); | |
8650 | ||
8651 | msg = nlmsg_alloc(); | |
8652 | if (!msg) | |
8653 | return -ENOMEM; | |
8654 | ||
8655 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_STATION); | |
8656 | ||
8657 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, | |
8658 | if_nametoindex(bss->ifname)); | |
8659 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); | |
8660 | ||
8661 | /* | |
8662 | * Backwards compatibility version using NL80211_ATTR_STA_FLAGS. This | |
8663 | * can be removed eventually. | |
8664 | */ | |
8665 | flags = nla_nest_start(msg, NL80211_ATTR_STA_FLAGS); | |
8666 | if (!flags) | |
8667 | goto nla_put_failure; | |
8668 | if (total_flags & WPA_STA_AUTHORIZED) | |
8669 | NLA_PUT_FLAG(msg, NL80211_STA_FLAG_AUTHORIZED); | |
8670 | ||
8671 | if (total_flags & WPA_STA_WMM) | |
8672 | NLA_PUT_FLAG(msg, NL80211_STA_FLAG_WME); | |
8673 | ||
8674 | if (total_flags & WPA_STA_SHORT_PREAMBLE) | |
8675 | NLA_PUT_FLAG(msg, NL80211_STA_FLAG_SHORT_PREAMBLE); | |
8676 | ||
8677 | if (total_flags & WPA_STA_MFP) | |
8678 | NLA_PUT_FLAG(msg, NL80211_STA_FLAG_MFP); | |
8679 | ||
8680 | if (total_flags & WPA_STA_TDLS_PEER) | |
8681 | NLA_PUT_FLAG(msg, NL80211_STA_FLAG_TDLS_PEER); | |
8682 | ||
8683 | nla_nest_end(msg, flags); | |
8684 | ||
8685 | os_memset(&upd, 0, sizeof(upd)); | |
8686 | upd.mask = sta_flags_nl80211(flags_or | ~flags_and); | |
8687 | upd.set = sta_flags_nl80211(flags_or); | |
8688 | NLA_PUT(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd); | |
8689 | ||
8690 | return send_and_recv_msgs(drv, msg, NULL, NULL); | |
8691 | nla_put_failure: | |
8692 | nlmsg_free(msg); | |
8693 | return -ENOBUFS; | |
8694 | } | |
8695 | ||
8696 | ||
8697 | static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv, | |
8698 | struct wpa_driver_associate_params *params) | |
8699 | { | |
8700 | enum nl80211_iftype nlmode, old_mode; | |
8701 | ||
8702 | if (params->p2p) { | |
8703 | wpa_printf(MSG_DEBUG, "nl80211: Setup AP operations for P2P " | |
8704 | "group (GO)"); | |
8705 | nlmode = NL80211_IFTYPE_P2P_GO; | |
8706 | } else | |
8707 | nlmode = NL80211_IFTYPE_AP; | |
8708 | ||
8709 | old_mode = drv->nlmode; | |
8710 | if (wpa_driver_nl80211_set_mode(drv->first_bss, nlmode)) { | |
8711 | nl80211_remove_monitor_interface(drv); | |
8712 | return -1; | |
8713 | } | |
8714 | ||
8715 | if (nl80211_set_channel(drv->first_bss, ¶ms->freq, 0)) { | |
8716 | if (old_mode != nlmode) | |
8717 | wpa_driver_nl80211_set_mode(drv->first_bss, old_mode); | |
8718 | nl80211_remove_monitor_interface(drv); | |
8719 | return -1; | |
8720 | } | |
8721 | ||
8722 | return 0; | |
8723 | } | |
8724 | ||
8725 | ||
8726 | static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv) | |
8727 | { | |
8728 | struct nl_msg *msg; | |
8729 | int ret = -1; | |
8730 | ||
8731 | msg = nlmsg_alloc(); | |
8732 | if (!msg) | |
8733 | return -1; | |
8734 | ||
8735 | nl80211_cmd(drv, msg, 0, NL80211_CMD_LEAVE_IBSS); | |
8736 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
8737 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
8738 | msg = NULL; | |
8739 | if (ret) { | |
8740 | wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS failed: ret=%d " | |
8741 | "(%s)", ret, strerror(-ret)); | |
8742 | goto nla_put_failure; | |
8743 | } | |
8744 | ||
8745 | ret = 0; | |
8746 | wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS request sent successfully"); | |
8747 | ||
8748 | nla_put_failure: | |
8749 | if (wpa_driver_nl80211_set_mode(drv->first_bss, | |
8750 | NL80211_IFTYPE_STATION)) { | |
8751 | wpa_printf(MSG_INFO, "nl80211: Failed to set interface into " | |
8752 | "station mode"); | |
8753 | } | |
8754 | ||
8755 | nlmsg_free(msg); | |
8756 | return ret; | |
8757 | } | |
8758 | ||
8759 | ||
8760 | static int wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data *drv, | |
8761 | struct wpa_driver_associate_params *params) | |
8762 | { | |
8763 | struct nl_msg *msg; | |
8764 | int ret = -1; | |
8765 | int count = 0; | |
8766 | ||
8767 | wpa_printf(MSG_DEBUG, "nl80211: Join IBSS (ifindex=%d)", drv->ifindex); | |
8768 | ||
8769 | if (wpa_driver_nl80211_set_mode_ibss(drv->first_bss, ¶ms->freq)) { | |
8770 | wpa_printf(MSG_INFO, "nl80211: Failed to set interface into " | |
8771 | "IBSS mode"); | |
8772 | return -1; | |
8773 | } | |
8774 | ||
8775 | retry: | |
8776 | msg = nlmsg_alloc(); | |
8777 | if (!msg) | |
8778 | return -1; | |
8779 | ||
8780 | nl80211_cmd(drv, msg, 0, NL80211_CMD_JOIN_IBSS); | |
8781 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
8782 | ||
8783 | if (params->ssid == NULL || params->ssid_len > sizeof(drv->ssid)) | |
8784 | goto nla_put_failure; | |
8785 | ||
8786 | wpa_hexdump_ascii(MSG_DEBUG, " * SSID", | |
8787 | params->ssid, params->ssid_len); | |
8788 | NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len, | |
8789 | params->ssid); | |
8790 | os_memcpy(drv->ssid, params->ssid, params->ssid_len); | |
8791 | drv->ssid_len = params->ssid_len; | |
8792 | ||
8793 | wpa_printf(MSG_DEBUG, " * freq=%d", params->freq.freq); | |
8794 | wpa_printf(MSG_DEBUG, " * ht_enabled=%d", params->freq.ht_enabled); | |
8795 | wpa_printf(MSG_DEBUG, " * sec_channel_offset=%d", | |
8796 | params->freq.sec_channel_offset); | |
8797 | wpa_printf(MSG_DEBUG, " * vht_enabled=%d", params->freq.vht_enabled); | |
8798 | wpa_printf(MSG_DEBUG, " * center_freq1=%d", params->freq.center_freq1); | |
8799 | wpa_printf(MSG_DEBUG, " * center_freq2=%d", params->freq.center_freq2); | |
8800 | wpa_printf(MSG_DEBUG, " * bandwidth=%d", params->freq.bandwidth); | |
8801 | if (nl80211_put_freq_params(msg, ¶ms->freq) < 0) | |
8802 | goto nla_put_failure; | |
8803 | ||
8804 | if (params->beacon_int > 0) { | |
8805 | wpa_printf(MSG_DEBUG, " * beacon_int=%d", params->beacon_int); | |
8806 | NLA_PUT_U32(msg, NL80211_ATTR_BEACON_INTERVAL, | |
8807 | params->beacon_int); | |
8808 | } | |
8809 | ||
8810 | ret = nl80211_set_conn_keys(params, msg); | |
8811 | if (ret) | |
8812 | goto nla_put_failure; | |
8813 | ||
8814 | if (params->bssid && params->fixed_bssid) { | |
8815 | wpa_printf(MSG_DEBUG, " * BSSID=" MACSTR, | |
8816 | MAC2STR(params->bssid)); | |
8817 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid); | |
8818 | } | |
8819 | ||
8820 | if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X || | |
8821 | params->key_mgmt_suite == WPA_KEY_MGMT_PSK || | |
8822 | params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 || | |
8823 | params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256) { | |
8824 | wpa_printf(MSG_DEBUG, " * control port"); | |
8825 | NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT); | |
8826 | } | |
8827 | ||
8828 | if (params->wpa_ie) { | |
8829 | wpa_hexdump(MSG_DEBUG, | |
8830 | " * Extra IEs for Beacon/Probe Response frames", | |
8831 | params->wpa_ie, params->wpa_ie_len); | |
8832 | NLA_PUT(msg, NL80211_ATTR_IE, params->wpa_ie_len, | |
8833 | params->wpa_ie); | |
8834 | } | |
8835 | ||
8836 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
8837 | msg = NULL; | |
8838 | if (ret) { | |
8839 | wpa_printf(MSG_DEBUG, "nl80211: Join IBSS failed: ret=%d (%s)", | |
8840 | ret, strerror(-ret)); | |
8841 | count++; | |
8842 | if (ret == -EALREADY && count == 1) { | |
8843 | wpa_printf(MSG_DEBUG, "nl80211: Retry IBSS join after " | |
8844 | "forced leave"); | |
8845 | nl80211_leave_ibss(drv); | |
8846 | nlmsg_free(msg); | |
8847 | goto retry; | |
8848 | } | |
8849 | ||
8850 | goto nla_put_failure; | |
8851 | } | |
8852 | ret = 0; | |
8853 | wpa_printf(MSG_DEBUG, "nl80211: Join IBSS request sent successfully"); | |
8854 | ||
8855 | nla_put_failure: | |
8856 | nlmsg_free(msg); | |
8857 | return ret; | |
8858 | } | |
8859 | ||
8860 | ||
8861 | static int nl80211_connect_common(struct wpa_driver_nl80211_data *drv, | |
8862 | struct wpa_driver_associate_params *params, | |
8863 | struct nl_msg *msg) | |
8864 | { | |
8865 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
8866 | ||
8867 | if (params->bssid) { | |
8868 | wpa_printf(MSG_DEBUG, " * bssid=" MACSTR, | |
8869 | MAC2STR(params->bssid)); | |
8870 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid); | |
8871 | } | |
8872 | ||
8873 | if (params->bssid_hint) { | |
8874 | wpa_printf(MSG_DEBUG, " * bssid_hint=" MACSTR, | |
8875 | MAC2STR(params->bssid_hint)); | |
8876 | NLA_PUT(msg, NL80211_ATTR_MAC_HINT, ETH_ALEN, | |
8877 | params->bssid_hint); | |
8878 | } | |
8879 | ||
8880 | if (params->freq.freq) { | |
8881 | wpa_printf(MSG_DEBUG, " * freq=%d", params->freq.freq); | |
8882 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq.freq); | |
8883 | drv->assoc_freq = params->freq.freq; | |
8884 | } else | |
8885 | drv->assoc_freq = 0; | |
8886 | ||
8887 | if (params->freq_hint) { | |
8888 | wpa_printf(MSG_DEBUG, " * freq_hint=%d", params->freq_hint); | |
8889 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ_HINT, | |
8890 | params->freq_hint); | |
8891 | } | |
8892 | ||
8893 | if (params->bg_scan_period >= 0) { | |
8894 | wpa_printf(MSG_DEBUG, " * bg scan period=%d", | |
8895 | params->bg_scan_period); | |
8896 | NLA_PUT_U16(msg, NL80211_ATTR_BG_SCAN_PERIOD, | |
8897 | params->bg_scan_period); | |
8898 | } | |
8899 | ||
8900 | if (params->ssid) { | |
8901 | wpa_hexdump_ascii(MSG_DEBUG, " * SSID", | |
8902 | params->ssid, params->ssid_len); | |
8903 | NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len, | |
8904 | params->ssid); | |
8905 | if (params->ssid_len > sizeof(drv->ssid)) | |
8906 | goto nla_put_failure; | |
8907 | os_memcpy(drv->ssid, params->ssid, params->ssid_len); | |
8908 | drv->ssid_len = params->ssid_len; | |
8909 | } | |
8910 | ||
8911 | wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, params->wpa_ie_len); | |
8912 | if (params->wpa_ie) | |
8913 | NLA_PUT(msg, NL80211_ATTR_IE, params->wpa_ie_len, | |
8914 | params->wpa_ie); | |
8915 | ||
8916 | if (params->wpa_proto) { | |
8917 | enum nl80211_wpa_versions ver = 0; | |
8918 | ||
8919 | if (params->wpa_proto & WPA_PROTO_WPA) | |
8920 | ver |= NL80211_WPA_VERSION_1; | |
8921 | if (params->wpa_proto & WPA_PROTO_RSN) | |
8922 | ver |= NL80211_WPA_VERSION_2; | |
8923 | ||
8924 | wpa_printf(MSG_DEBUG, " * WPA Versions 0x%x", ver); | |
8925 | NLA_PUT_U32(msg, NL80211_ATTR_WPA_VERSIONS, ver); | |
8926 | } | |
8927 | ||
8928 | if (params->pairwise_suite != WPA_CIPHER_NONE) { | |
8929 | u32 cipher = wpa_cipher_to_cipher_suite(params->pairwise_suite); | |
8930 | wpa_printf(MSG_DEBUG, " * pairwise=0x%x", cipher); | |
8931 | NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE, cipher); | |
8932 | } | |
8933 | ||
8934 | if (params->group_suite == WPA_CIPHER_GTK_NOT_USED && | |
8935 | !(drv->capa.enc & WPA_DRIVER_CAPA_ENC_GTK_NOT_USED)) { | |
8936 | /* | |
8937 | * This is likely to work even though many drivers do not | |
8938 | * advertise support for operations without GTK. | |
8939 | */ | |
8940 | wpa_printf(MSG_DEBUG, " * skip group cipher configuration for GTK_NOT_USED due to missing driver support advertisement"); | |
8941 | } else if (params->group_suite != WPA_CIPHER_NONE) { | |
8942 | u32 cipher = wpa_cipher_to_cipher_suite(params->group_suite); | |
8943 | wpa_printf(MSG_DEBUG, " * group=0x%x", cipher); | |
8944 | NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher); | |
8945 | } | |
8946 | ||
8947 | if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X || | |
8948 | params->key_mgmt_suite == WPA_KEY_MGMT_PSK || | |
8949 | params->key_mgmt_suite == WPA_KEY_MGMT_FT_IEEE8021X || | |
8950 | params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK || | |
8951 | params->key_mgmt_suite == WPA_KEY_MGMT_CCKM || | |
8952 | params->key_mgmt_suite == WPA_KEY_MGMT_OSEN || | |
8953 | params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 || | |
8954 | params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256) { | |
8955 | int mgmt = WLAN_AKM_SUITE_PSK; | |
8956 | ||
8957 | switch (params->key_mgmt_suite) { | |
8958 | case WPA_KEY_MGMT_CCKM: | |
8959 | mgmt = WLAN_AKM_SUITE_CCKM; | |
8960 | break; | |
8961 | case WPA_KEY_MGMT_IEEE8021X: | |
8962 | mgmt = WLAN_AKM_SUITE_8021X; | |
8963 | break; | |
8964 | case WPA_KEY_MGMT_FT_IEEE8021X: | |
8965 | mgmt = WLAN_AKM_SUITE_FT_8021X; | |
8966 | break; | |
8967 | case WPA_KEY_MGMT_FT_PSK: | |
8968 | mgmt = WLAN_AKM_SUITE_FT_PSK; | |
8969 | break; | |
8970 | case WPA_KEY_MGMT_IEEE8021X_SHA256: | |
8971 | mgmt = WLAN_AKM_SUITE_8021X_SHA256; | |
8972 | break; | |
8973 | case WPA_KEY_MGMT_PSK_SHA256: | |
8974 | mgmt = WLAN_AKM_SUITE_PSK_SHA256; | |
8975 | break; | |
8976 | case WPA_KEY_MGMT_OSEN: | |
8977 | mgmt = WLAN_AKM_SUITE_OSEN; | |
8978 | break; | |
8979 | case WPA_KEY_MGMT_PSK: | |
8980 | default: | |
8981 | mgmt = WLAN_AKM_SUITE_PSK; | |
8982 | break; | |
8983 | } | |
8984 | wpa_printf(MSG_DEBUG, " * akm=0x%x", mgmt); | |
8985 | NLA_PUT_U32(msg, NL80211_ATTR_AKM_SUITES, mgmt); | |
8986 | } | |
8987 | ||
8988 | NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT); | |
8989 | ||
8990 | if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED) | |
8991 | NLA_PUT_U32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED); | |
8992 | ||
8993 | if (params->disable_ht) | |
8994 | NLA_PUT_FLAG(msg, NL80211_ATTR_DISABLE_HT); | |
8995 | ||
8996 | if (params->htcaps && params->htcaps_mask) { | |
8997 | int sz = sizeof(struct ieee80211_ht_capabilities); | |
8998 | wpa_hexdump(MSG_DEBUG, " * htcaps", params->htcaps, sz); | |
8999 | NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY, sz, params->htcaps); | |
9000 | wpa_hexdump(MSG_DEBUG, " * htcaps_mask", | |
9001 | params->htcaps_mask, sz); | |
9002 | NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz, | |
9003 | params->htcaps_mask); | |
9004 | } | |
9005 | ||
9006 | #ifdef CONFIG_VHT_OVERRIDES | |
9007 | if (params->disable_vht) { | |
9008 | wpa_printf(MSG_DEBUG, " * VHT disabled"); | |
9009 | NLA_PUT_FLAG(msg, NL80211_ATTR_DISABLE_VHT); | |
9010 | } | |
9011 | ||
9012 | if (params->vhtcaps && params->vhtcaps_mask) { | |
9013 | int sz = sizeof(struct ieee80211_vht_capabilities); | |
9014 | wpa_hexdump(MSG_DEBUG, " * vhtcaps", params->vhtcaps, sz); | |
9015 | NLA_PUT(msg, NL80211_ATTR_VHT_CAPABILITY, sz, params->vhtcaps); | |
9016 | wpa_hexdump(MSG_DEBUG, " * vhtcaps_mask", | |
9017 | params->vhtcaps_mask, sz); | |
9018 | NLA_PUT(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, sz, | |
9019 | params->vhtcaps_mask); | |
9020 | } | |
9021 | #endif /* CONFIG_VHT_OVERRIDES */ | |
9022 | ||
9023 | if (params->p2p) | |
9024 | wpa_printf(MSG_DEBUG, " * P2P group"); | |
9025 | ||
9026 | return 0; | |
9027 | nla_put_failure: | |
9028 | return -1; | |
9029 | } | |
9030 | ||
9031 | ||
9032 | static int wpa_driver_nl80211_try_connect( | |
9033 | struct wpa_driver_nl80211_data *drv, | |
9034 | struct wpa_driver_associate_params *params) | |
9035 | { | |
9036 | struct nl_msg *msg; | |
9037 | enum nl80211_auth_type type; | |
9038 | int ret; | |
9039 | int algs; | |
9040 | ||
9041 | msg = nlmsg_alloc(); | |
9042 | if (!msg) | |
9043 | return -1; | |
9044 | ||
9045 | wpa_printf(MSG_DEBUG, "nl80211: Connect (ifindex=%d)", drv->ifindex); | |
9046 | nl80211_cmd(drv, msg, 0, NL80211_CMD_CONNECT); | |
9047 | ||
9048 | ret = nl80211_connect_common(drv, params, msg); | |
9049 | if (ret) | |
9050 | goto nla_put_failure; | |
9051 | ||
9052 | algs = 0; | |
9053 | if (params->auth_alg & WPA_AUTH_ALG_OPEN) | |
9054 | algs++; | |
9055 | if (params->auth_alg & WPA_AUTH_ALG_SHARED) | |
9056 | algs++; | |
9057 | if (params->auth_alg & WPA_AUTH_ALG_LEAP) | |
9058 | algs++; | |
9059 | if (algs > 1) { | |
9060 | wpa_printf(MSG_DEBUG, " * Leave out Auth Type for automatic " | |
9061 | "selection"); | |
9062 | goto skip_auth_type; | |
9063 | } | |
9064 | ||
9065 | if (params->auth_alg & WPA_AUTH_ALG_OPEN) | |
9066 | type = NL80211_AUTHTYPE_OPEN_SYSTEM; | |
9067 | else if (params->auth_alg & WPA_AUTH_ALG_SHARED) | |
9068 | type = NL80211_AUTHTYPE_SHARED_KEY; | |
9069 | else if (params->auth_alg & WPA_AUTH_ALG_LEAP) | |
9070 | type = NL80211_AUTHTYPE_NETWORK_EAP; | |
9071 | else if (params->auth_alg & WPA_AUTH_ALG_FT) | |
9072 | type = NL80211_AUTHTYPE_FT; | |
9073 | else | |
9074 | goto nla_put_failure; | |
9075 | ||
9076 | wpa_printf(MSG_DEBUG, " * Auth Type %d", type); | |
9077 | NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE, type); | |
9078 | ||
9079 | skip_auth_type: | |
9080 | ret = nl80211_set_conn_keys(params, msg); | |
9081 | if (ret) | |
9082 | goto nla_put_failure; | |
9083 | ||
9084 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
9085 | msg = NULL; | |
9086 | if (ret) { | |
9087 | wpa_printf(MSG_DEBUG, "nl80211: MLME connect failed: ret=%d " | |
9088 | "(%s)", ret, strerror(-ret)); | |
9089 | goto nla_put_failure; | |
9090 | } | |
9091 | ret = 0; | |
9092 | wpa_printf(MSG_DEBUG, "nl80211: Connect request send successfully"); | |
9093 | ||
9094 | nla_put_failure: | |
9095 | nlmsg_free(msg); | |
9096 | return ret; | |
9097 | ||
9098 | } | |
9099 | ||
9100 | ||
9101 | static int wpa_driver_nl80211_connect( | |
9102 | struct wpa_driver_nl80211_data *drv, | |
9103 | struct wpa_driver_associate_params *params) | |
9104 | { | |
9105 | int ret = wpa_driver_nl80211_try_connect(drv, params); | |
9106 | if (ret == -EALREADY) { | |
9107 | /* | |
9108 | * cfg80211 does not currently accept new connections if | |
9109 | * we are already connected. As a workaround, force | |
9110 | * disconnection and try again. | |
9111 | */ | |
9112 | wpa_printf(MSG_DEBUG, "nl80211: Explicitly " | |
9113 | "disconnecting before reassociation " | |
9114 | "attempt"); | |
9115 | if (wpa_driver_nl80211_disconnect( | |
9116 | drv, WLAN_REASON_PREV_AUTH_NOT_VALID)) | |
9117 | return -1; | |
9118 | ret = wpa_driver_nl80211_try_connect(drv, params); | |
9119 | } | |
9120 | return ret; | |
9121 | } | |
9122 | ||
9123 | ||
9124 | static int wpa_driver_nl80211_associate( | |
9125 | void *priv, struct wpa_driver_associate_params *params) | |
9126 | { | |
9127 | struct i802_bss *bss = priv; | |
9128 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
9129 | int ret; | |
9130 | struct nl_msg *msg; | |
9131 | ||
9132 | if (params->mode == IEEE80211_MODE_AP) | |
9133 | return wpa_driver_nl80211_ap(drv, params); | |
9134 | ||
9135 | if (params->mode == IEEE80211_MODE_IBSS) | |
9136 | return wpa_driver_nl80211_ibss(drv, params); | |
9137 | ||
9138 | if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) { | |
9139 | enum nl80211_iftype nlmode = params->p2p ? | |
9140 | NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION; | |
9141 | ||
9142 | if (wpa_driver_nl80211_set_mode(priv, nlmode) < 0) | |
9143 | return -1; | |
9144 | return wpa_driver_nl80211_connect(drv, params); | |
9145 | } | |
9146 | ||
9147 | nl80211_mark_disconnected(drv); | |
9148 | ||
9149 | msg = nlmsg_alloc(); | |
9150 | if (!msg) | |
9151 | return -1; | |
9152 | ||
9153 | wpa_printf(MSG_DEBUG, "nl80211: Associate (ifindex=%d)", | |
9154 | drv->ifindex); | |
9155 | nl80211_cmd(drv, msg, 0, NL80211_CMD_ASSOCIATE); | |
9156 | ||
9157 | ret = nl80211_connect_common(drv, params, msg); | |
9158 | if (ret) | |
9159 | goto nla_put_failure; | |
9160 | ||
9161 | if (params->prev_bssid) { | |
9162 | wpa_printf(MSG_DEBUG, " * prev_bssid=" MACSTR, | |
9163 | MAC2STR(params->prev_bssid)); | |
9164 | NLA_PUT(msg, NL80211_ATTR_PREV_BSSID, ETH_ALEN, | |
9165 | params->prev_bssid); | |
9166 | } | |
9167 | ||
9168 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
9169 | msg = NULL; | |
9170 | if (ret) { | |
9171 | wpa_dbg(drv->ctx, MSG_DEBUG, | |
9172 | "nl80211: MLME command failed (assoc): ret=%d (%s)", | |
9173 | ret, strerror(-ret)); | |
9174 | nl80211_dump_scan(drv); | |
9175 | goto nla_put_failure; | |
9176 | } | |
9177 | ret = 0; | |
9178 | wpa_printf(MSG_DEBUG, "nl80211: Association request send " | |
9179 | "successfully"); | |
9180 | ||
9181 | nla_put_failure: | |
9182 | nlmsg_free(msg); | |
9183 | return ret; | |
9184 | } | |
9185 | ||
9186 | ||
9187 | static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv, | |
9188 | int ifindex, enum nl80211_iftype mode) | |
9189 | { | |
9190 | struct nl_msg *msg; | |
9191 | int ret = -ENOBUFS; | |
9192 | ||
9193 | wpa_printf(MSG_DEBUG, "nl80211: Set mode ifindex %d iftype %d (%s)", | |
9194 | ifindex, mode, nl80211_iftype_str(mode)); | |
9195 | ||
9196 | msg = nlmsg_alloc(); | |
9197 | if (!msg) | |
9198 | return -ENOMEM; | |
9199 | ||
9200 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_INTERFACE); | |
9201 | if (nl80211_set_iface_id(msg, drv->first_bss) < 0) | |
9202 | goto nla_put_failure; | |
9203 | NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, mode); | |
9204 | ||
9205 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
9206 | msg = NULL; | |
9207 | if (!ret) | |
9208 | return 0; | |
9209 | nla_put_failure: | |
9210 | nlmsg_free(msg); | |
9211 | wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface %d to mode %d:" | |
9212 | " %d (%s)", ifindex, mode, ret, strerror(-ret)); | |
9213 | return ret; | |
9214 | } | |
9215 | ||
9216 | ||
9217 | static int wpa_driver_nl80211_set_mode_impl( | |
9218 | struct i802_bss *bss, | |
9219 | enum nl80211_iftype nlmode, | |
9220 | struct hostapd_freq_params *desired_freq_params) | |
9221 | { | |
9222 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
9223 | int ret = -1; | |
9224 | int i; | |
9225 | int was_ap = is_ap_interface(drv->nlmode); | |
9226 | int res; | |
9227 | int mode_switch_res; | |
9228 | ||
9229 | mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode); | |
9230 | if (mode_switch_res && nlmode == nl80211_get_ifmode(bss)) | |
9231 | mode_switch_res = 0; | |
9232 | ||
9233 | if (mode_switch_res == 0) { | |
9234 | drv->nlmode = nlmode; | |
9235 | ret = 0; | |
9236 | goto done; | |
9237 | } | |
9238 | ||
9239 | if (mode_switch_res == -ENODEV) | |
9240 | return -1; | |
9241 | ||
9242 | if (nlmode == drv->nlmode) { | |
9243 | wpa_printf(MSG_DEBUG, "nl80211: Interface already in " | |
9244 | "requested mode - ignore error"); | |
9245 | ret = 0; | |
9246 | goto done; /* Already in the requested mode */ | |
9247 | } | |
9248 | ||
9249 | /* mac80211 doesn't allow mode changes while the device is up, so | |
9250 | * take the device down, try to set the mode again, and bring the | |
9251 | * device back up. | |
9252 | */ | |
9253 | wpa_printf(MSG_DEBUG, "nl80211: Try mode change after setting " | |
9254 | "interface down"); | |
9255 | for (i = 0; i < 10; i++) { | |
9256 | res = i802_set_iface_flags(bss, 0); | |
9257 | if (res == -EACCES || res == -ENODEV) | |
9258 | break; | |
9259 | if (res != 0) { | |
9260 | wpa_printf(MSG_DEBUG, "nl80211: Failed to set " | |
9261 | "interface down"); | |
9262 | os_sleep(0, 100000); | |
9263 | continue; | |
9264 | } | |
9265 | ||
9266 | /* | |
9267 | * Setting the mode will fail for some drivers if the phy is | |
9268 | * on a frequency that the mode is disallowed in. | |
9269 | */ | |
9270 | if (desired_freq_params) { | |
9271 | res = i802_set_freq(bss, desired_freq_params); | |
9272 | if (res) { | |
9273 | wpa_printf(MSG_DEBUG, | |
9274 | "nl80211: Failed to set frequency on interface"); | |
9275 | } | |
9276 | } | |
9277 | ||
9278 | /* Try to set the mode again while the interface is down */ | |
9279 | mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode); | |
9280 | if (mode_switch_res == -EBUSY) { | |
9281 | wpa_printf(MSG_DEBUG, | |
9282 | "nl80211: Delaying mode set while interface going down"); | |
9283 | os_sleep(0, 100000); | |
9284 | continue; | |
9285 | } | |
9286 | ret = mode_switch_res; | |
9287 | break; | |
9288 | } | |
9289 | ||
9290 | if (!ret) { | |
9291 | wpa_printf(MSG_DEBUG, "nl80211: Mode change succeeded while " | |
9292 | "interface is down"); | |
9293 | drv->nlmode = nlmode; | |
9294 | drv->ignore_if_down_event = 1; | |
9295 | } | |
9296 | ||
9297 | /* Bring the interface back up */ | |
9298 | res = linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1); | |
9299 | if (res != 0) { | |
9300 | wpa_printf(MSG_DEBUG, | |
9301 | "nl80211: Failed to set interface up after switching mode"); | |
9302 | ret = -1; | |
9303 | } | |
9304 | ||
9305 | done: | |
9306 | if (ret) { | |
9307 | wpa_printf(MSG_DEBUG, "nl80211: Interface mode change to %d " | |
9308 | "from %d failed", nlmode, drv->nlmode); | |
9309 | return ret; | |
9310 | } | |
9311 | ||
9312 | if (is_p2p_net_interface(nlmode)) | |
9313 | nl80211_disable_11b_rates(drv, drv->ifindex, 1); | |
9314 | else if (drv->disabled_11b_rates) | |
9315 | nl80211_disable_11b_rates(drv, drv->ifindex, 0); | |
9316 | ||
9317 | if (is_ap_interface(nlmode)) { | |
9318 | nl80211_mgmt_unsubscribe(bss, "start AP"); | |
9319 | /* Setup additional AP mode functionality if needed */ | |
9320 | if (nl80211_setup_ap(bss)) | |
9321 | return -1; | |
9322 | } else if (was_ap) { | |
9323 | /* Remove additional AP mode functionality */ | |
9324 | nl80211_teardown_ap(bss); | |
9325 | } else { | |
9326 | nl80211_mgmt_unsubscribe(bss, "mode change"); | |
9327 | } | |
9328 | ||
9329 | if (!bss->in_deinit && !is_ap_interface(nlmode) && | |
9330 | nl80211_mgmt_subscribe_non_ap(bss) < 0) | |
9331 | wpa_printf(MSG_DEBUG, "nl80211: Failed to register Action " | |
9332 | "frame processing - ignore for now"); | |
9333 | ||
9334 | return 0; | |
9335 | } | |
9336 | ||
9337 | ||
9338 | static int dfs_info_handler(struct nl_msg *msg, void *arg) | |
9339 | { | |
9340 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
9341 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
9342 | int *dfs_capability_ptr = arg; | |
9343 | ||
9344 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
9345 | genlmsg_attrlen(gnlh, 0), NULL); | |
9346 | ||
9347 | if (tb[NL80211_ATTR_VENDOR_DATA]) { | |
9348 | struct nlattr *nl_vend = tb[NL80211_ATTR_VENDOR_DATA]; | |
9349 | struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1]; | |
9350 | ||
9351 | nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX, | |
9352 | nla_data(nl_vend), nla_len(nl_vend), NULL); | |
9353 | ||
9354 | if (tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]) { | |
9355 | u32 val; | |
9356 | val = nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]); | |
9357 | wpa_printf(MSG_DEBUG, "nl80211: DFS offload capability: %u", | |
9358 | val); | |
9359 | *dfs_capability_ptr = val; | |
9360 | } | |
9361 | } | |
9362 | ||
9363 | return NL_SKIP; | |
9364 | } | |
9365 | ||
9366 | ||
9367 | static int wpa_driver_nl80211_set_mode(struct i802_bss *bss, | |
9368 | enum nl80211_iftype nlmode) | |
9369 | { | |
9370 | return wpa_driver_nl80211_set_mode_impl(bss, nlmode, NULL); | |
9371 | } | |
9372 | ||
9373 | ||
9374 | static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss, | |
9375 | struct hostapd_freq_params *freq) | |
9376 | { | |
9377 | return wpa_driver_nl80211_set_mode_impl(bss, NL80211_IFTYPE_ADHOC, | |
9378 | freq); | |
9379 | } | |
9380 | ||
9381 | ||
9382 | static int wpa_driver_nl80211_get_capa(void *priv, | |
9383 | struct wpa_driver_capa *capa) | |
9384 | { | |
9385 | struct i802_bss *bss = priv; | |
9386 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
9387 | struct nl_msg *msg; | |
9388 | int dfs_capability = 0; | |
9389 | int ret = 0; | |
9390 | ||
9391 | if (!drv->has_capability) | |
9392 | return -1; | |
9393 | os_memcpy(capa, &drv->capa, sizeof(*capa)); | |
9394 | if (drv->extended_capa && drv->extended_capa_mask) { | |
9395 | capa->extended_capa = drv->extended_capa; | |
9396 | capa->extended_capa_mask = drv->extended_capa_mask; | |
9397 | capa->extended_capa_len = drv->extended_capa_len; | |
9398 | } | |
9399 | ||
9400 | if ((capa->flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE) && | |
9401 | !drv->allow_p2p_device) { | |
9402 | wpa_printf(MSG_DEBUG, "nl80211: Do not indicate P2P_DEVICE support (p2p_device=1 driver param not specified)"); | |
9403 | capa->flags &= ~WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE; | |
9404 | } | |
9405 | ||
9406 | if (drv->dfs_vendor_cmd_avail == 1) { | |
9407 | msg = nlmsg_alloc(); | |
9408 | if (!msg) | |
9409 | return -ENOMEM; | |
9410 | ||
9411 | nl80211_cmd(drv, msg, 0, NL80211_CMD_VENDOR); | |
9412 | ||
9413 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
9414 | NLA_PUT_U32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA); | |
9415 | NLA_PUT_U32(msg, NL80211_ATTR_VENDOR_SUBCMD, | |
9416 | QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY); | |
9417 | ||
9418 | ret = send_and_recv_msgs(drv, msg, dfs_info_handler, | |
9419 | &dfs_capability); | |
9420 | if (!ret) { | |
9421 | if (dfs_capability) | |
9422 | capa->flags |= WPA_DRIVER_FLAGS_DFS_OFFLOAD; | |
9423 | } | |
9424 | } | |
9425 | ||
9426 | return ret; | |
9427 | ||
9428 | nla_put_failure: | |
9429 | nlmsg_free(msg); | |
9430 | return -ENOBUFS; | |
9431 | } | |
9432 | ||
9433 | ||
9434 | static int wpa_driver_nl80211_set_operstate(void *priv, int state) | |
9435 | { | |
9436 | struct i802_bss *bss = priv; | |
9437 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
9438 | ||
9439 | wpa_printf(MSG_DEBUG, "nl80211: Set %s operstate %d->%d (%s)", | |
9440 | bss->ifname, drv->operstate, state, | |
9441 | state ? "UP" : "DORMANT"); | |
9442 | drv->operstate = state; | |
9443 | return netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, -1, | |
9444 | state ? IF_OPER_UP : IF_OPER_DORMANT); | |
9445 | } | |
9446 | ||
9447 | ||
9448 | static int wpa_driver_nl80211_set_supp_port(void *priv, int authorized) | |
9449 | { | |
9450 | struct i802_bss *bss = priv; | |
9451 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
9452 | struct nl_msg *msg; | |
9453 | struct nl80211_sta_flag_update upd; | |
9454 | int ret = -ENOBUFS; | |
9455 | ||
9456 | if (!drv->associated && is_zero_ether_addr(drv->bssid) && !authorized) { | |
9457 | wpa_printf(MSG_DEBUG, "nl80211: Skip set_supp_port(unauthorized) while not associated"); | |
9458 | return 0; | |
9459 | } | |
9460 | ||
9461 | wpa_printf(MSG_DEBUG, "nl80211: Set supplicant port %sauthorized for " | |
9462 | MACSTR, authorized ? "" : "un", MAC2STR(drv->bssid)); | |
9463 | ||
9464 | msg = nlmsg_alloc(); | |
9465 | if (!msg) | |
9466 | return -ENOMEM; | |
9467 | ||
9468 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_STATION); | |
9469 | ||
9470 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, | |
9471 | if_nametoindex(bss->ifname)); | |
9472 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid); | |
9473 | ||
9474 | os_memset(&upd, 0, sizeof(upd)); | |
9475 | upd.mask = BIT(NL80211_STA_FLAG_AUTHORIZED); | |
9476 | if (authorized) | |
9477 | upd.set = BIT(NL80211_STA_FLAG_AUTHORIZED); | |
9478 | NLA_PUT(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd); | |
9479 | ||
9480 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
9481 | msg = NULL; | |
9482 | if (!ret) | |
9483 | return 0; | |
9484 | nla_put_failure: | |
9485 | nlmsg_free(msg); | |
9486 | wpa_printf(MSG_DEBUG, "nl80211: Failed to set STA flag: %d (%s)", | |
9487 | ret, strerror(-ret)); | |
9488 | return ret; | |
9489 | } | |
9490 | ||
9491 | ||
9492 | /* Set kernel driver on given frequency (MHz) */ | |
9493 | static int i802_set_freq(void *priv, struct hostapd_freq_params *freq) | |
9494 | { | |
9495 | struct i802_bss *bss = priv; | |
9496 | return nl80211_set_channel(bss, freq, 0); | |
9497 | } | |
9498 | ||
9499 | ||
9500 | static inline int min_int(int a, int b) | |
9501 | { | |
9502 | if (a < b) | |
9503 | return a; | |
9504 | return b; | |
9505 | } | |
9506 | ||
9507 | ||
9508 | static int get_key_handler(struct nl_msg *msg, void *arg) | |
9509 | { | |
9510 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
9511 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
9512 | ||
9513 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
9514 | genlmsg_attrlen(gnlh, 0), NULL); | |
9515 | ||
9516 | /* | |
9517 | * TODO: validate the key index and mac address! | |
9518 | * Otherwise, there's a race condition as soon as | |
9519 | * the kernel starts sending key notifications. | |
9520 | */ | |
9521 | ||
9522 | if (tb[NL80211_ATTR_KEY_SEQ]) | |
9523 | memcpy(arg, nla_data(tb[NL80211_ATTR_KEY_SEQ]), | |
9524 | min_int(nla_len(tb[NL80211_ATTR_KEY_SEQ]), 6)); | |
9525 | return NL_SKIP; | |
9526 | } | |
9527 | ||
9528 | ||
9529 | static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr, | |
9530 | int idx, u8 *seq) | |
9531 | { | |
9532 | struct i802_bss *bss = priv; | |
9533 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
9534 | struct nl_msg *msg; | |
9535 | ||
9536 | msg = nlmsg_alloc(); | |
9537 | if (!msg) | |
9538 | return -ENOMEM; | |
9539 | ||
9540 | nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_KEY); | |
9541 | ||
9542 | if (addr) | |
9543 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); | |
9544 | NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, idx); | |
9545 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(iface)); | |
9546 | ||
9547 | memset(seq, 0, 6); | |
9548 | ||
9549 | return send_and_recv_msgs(drv, msg, get_key_handler, seq); | |
9550 | nla_put_failure: | |
9551 | nlmsg_free(msg); | |
9552 | return -ENOBUFS; | |
9553 | } | |
9554 | ||
9555 | ||
9556 | static int i802_set_rts(void *priv, int rts) | |
9557 | { | |
9558 | struct i802_bss *bss = priv; | |
9559 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
9560 | struct nl_msg *msg; | |
9561 | int ret = -ENOBUFS; | |
9562 | u32 val; | |
9563 | ||
9564 | msg = nlmsg_alloc(); | |
9565 | if (!msg) | |
9566 | return -ENOMEM; | |
9567 | ||
9568 | if (rts >= 2347) | |
9569 | val = (u32) -1; | |
9570 | else | |
9571 | val = rts; | |
9572 | ||
9573 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WIPHY); | |
9574 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
9575 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, val); | |
9576 | ||
9577 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
9578 | msg = NULL; | |
9579 | if (!ret) | |
9580 | return 0; | |
9581 | nla_put_failure: | |
9582 | nlmsg_free(msg); | |
9583 | wpa_printf(MSG_DEBUG, "nl80211: Failed to set RTS threshold %d: " | |
9584 | "%d (%s)", rts, ret, strerror(-ret)); | |
9585 | return ret; | |
9586 | } | |
9587 | ||
9588 | ||
9589 | static int i802_set_frag(void *priv, int frag) | |
9590 | { | |
9591 | struct i802_bss *bss = priv; | |
9592 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
9593 | struct nl_msg *msg; | |
9594 | int ret = -ENOBUFS; | |
9595 | u32 val; | |
9596 | ||
9597 | msg = nlmsg_alloc(); | |
9598 | if (!msg) | |
9599 | return -ENOMEM; | |
9600 | ||
9601 | if (frag >= 2346) | |
9602 | val = (u32) -1; | |
9603 | else | |
9604 | val = frag; | |
9605 | ||
9606 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WIPHY); | |
9607 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
9608 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, val); | |
9609 | ||
9610 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
9611 | msg = NULL; | |
9612 | if (!ret) | |
9613 | return 0; | |
9614 | nla_put_failure: | |
9615 | nlmsg_free(msg); | |
9616 | wpa_printf(MSG_DEBUG, "nl80211: Failed to set fragmentation threshold " | |
9617 | "%d: %d (%s)", frag, ret, strerror(-ret)); | |
9618 | return ret; | |
9619 | } | |
9620 | ||
9621 | ||
9622 | static int i802_flush(void *priv) | |
9623 | { | |
9624 | struct i802_bss *bss = priv; | |
9625 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
9626 | struct nl_msg *msg; | |
9627 | int res; | |
9628 | ||
9629 | msg = nlmsg_alloc(); | |
9630 | if (!msg) | |
9631 | return -1; | |
9632 | ||
9633 | wpa_printf(MSG_DEBUG, "nl80211: flush -> DEL_STATION %s (all)", | |
9634 | bss->ifname); | |
9635 | nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_STATION); | |
9636 | ||
9637 | /* | |
9638 | * XXX: FIX! this needs to flush all VLANs too | |
9639 | */ | |
9640 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, | |
9641 | if_nametoindex(bss->ifname)); | |
9642 | ||
9643 | res = send_and_recv_msgs(drv, msg, NULL, NULL); | |
9644 | if (res) { | |
9645 | wpa_printf(MSG_DEBUG, "nl80211: Station flush failed: ret=%d " | |
9646 | "(%s)", res, strerror(-res)); | |
9647 | } | |
9648 | return res; | |
9649 | nla_put_failure: | |
9650 | nlmsg_free(msg); | |
9651 | return -ENOBUFS; | |
9652 | } | |
9653 | ||
9654 | ||
9655 | static int get_sta_handler(struct nl_msg *msg, void *arg) | |
9656 | { | |
9657 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
9658 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
9659 | struct hostap_sta_driver_data *data = arg; | |
9660 | struct nlattr *stats[NL80211_STA_INFO_MAX + 1]; | |
9661 | static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = { | |
9662 | [NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32 }, | |
9663 | [NL80211_STA_INFO_RX_BYTES] = { .type = NLA_U32 }, | |
9664 | [NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 }, | |
9665 | [NL80211_STA_INFO_RX_PACKETS] = { .type = NLA_U32 }, | |
9666 | [NL80211_STA_INFO_TX_PACKETS] = { .type = NLA_U32 }, | |
9667 | [NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 }, | |
9668 | }; | |
9669 | ||
9670 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
9671 | genlmsg_attrlen(gnlh, 0), NULL); | |
9672 | ||
9673 | /* | |
9674 | * TODO: validate the interface and mac address! | |
9675 | * Otherwise, there's a race condition as soon as | |
9676 | * the kernel starts sending station notifications. | |
9677 | */ | |
9678 | ||
9679 | if (!tb[NL80211_ATTR_STA_INFO]) { | |
9680 | wpa_printf(MSG_DEBUG, "sta stats missing!"); | |
9681 | return NL_SKIP; | |
9682 | } | |
9683 | if (nla_parse_nested(stats, NL80211_STA_INFO_MAX, | |
9684 | tb[NL80211_ATTR_STA_INFO], | |
9685 | stats_policy)) { | |
9686 | wpa_printf(MSG_DEBUG, "failed to parse nested attributes!"); | |
9687 | return NL_SKIP; | |
9688 | } | |
9689 | ||
9690 | if (stats[NL80211_STA_INFO_INACTIVE_TIME]) | |
9691 | data->inactive_msec = | |
9692 | nla_get_u32(stats[NL80211_STA_INFO_INACTIVE_TIME]); | |
9693 | if (stats[NL80211_STA_INFO_RX_BYTES]) | |
9694 | data->rx_bytes = nla_get_u32(stats[NL80211_STA_INFO_RX_BYTES]); | |
9695 | if (stats[NL80211_STA_INFO_TX_BYTES]) | |
9696 | data->tx_bytes = nla_get_u32(stats[NL80211_STA_INFO_TX_BYTES]); | |
9697 | if (stats[NL80211_STA_INFO_RX_PACKETS]) | |
9698 | data->rx_packets = | |
9699 | nla_get_u32(stats[NL80211_STA_INFO_RX_PACKETS]); | |
9700 | if (stats[NL80211_STA_INFO_TX_PACKETS]) | |
9701 | data->tx_packets = | |
9702 | nla_get_u32(stats[NL80211_STA_INFO_TX_PACKETS]); | |
9703 | if (stats[NL80211_STA_INFO_TX_FAILED]) | |
9704 | data->tx_retry_failed = | |
9705 | nla_get_u32(stats[NL80211_STA_INFO_TX_FAILED]); | |
9706 | ||
9707 | return NL_SKIP; | |
9708 | } | |
9709 | ||
9710 | static int i802_read_sta_data(struct i802_bss *bss, | |
9711 | struct hostap_sta_driver_data *data, | |
9712 | const u8 *addr) | |
9713 | { | |
9714 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
9715 | struct nl_msg *msg; | |
9716 | ||
9717 | os_memset(data, 0, sizeof(*data)); | |
9718 | msg = nlmsg_alloc(); | |
9719 | if (!msg) | |
9720 | return -ENOMEM; | |
9721 | ||
9722 | nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_STATION); | |
9723 | ||
9724 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); | |
9725 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname)); | |
9726 | ||
9727 | return send_and_recv_msgs(drv, msg, get_sta_handler, data); | |
9728 | nla_put_failure: | |
9729 | nlmsg_free(msg); | |
9730 | return -ENOBUFS; | |
9731 | } | |
9732 | ||
9733 | ||
9734 | static int i802_set_tx_queue_params(void *priv, int queue, int aifs, | |
9735 | int cw_min, int cw_max, int burst_time) | |
9736 | { | |
9737 | struct i802_bss *bss = priv; | |
9738 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
9739 | struct nl_msg *msg; | |
9740 | struct nlattr *txq, *params; | |
9741 | ||
9742 | msg = nlmsg_alloc(); | |
9743 | if (!msg) | |
9744 | return -1; | |
9745 | ||
9746 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WIPHY); | |
9747 | ||
9748 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname)); | |
9749 | ||
9750 | txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS); | |
9751 | if (!txq) | |
9752 | goto nla_put_failure; | |
9753 | ||
9754 | /* We are only sending parameters for a single TXQ at a time */ | |
9755 | params = nla_nest_start(msg, 1); | |
9756 | if (!params) | |
9757 | goto nla_put_failure; | |
9758 | ||
9759 | switch (queue) { | |
9760 | case 0: | |
9761 | NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VO); | |
9762 | break; | |
9763 | case 1: | |
9764 | NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VI); | |
9765 | break; | |
9766 | case 2: | |
9767 | NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BE); | |
9768 | break; | |
9769 | case 3: | |
9770 | NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BK); | |
9771 | break; | |
9772 | } | |
9773 | /* Burst time is configured in units of 0.1 msec and TXOP parameter in | |
9774 | * 32 usec, so need to convert the value here. */ | |
9775 | NLA_PUT_U16(msg, NL80211_TXQ_ATTR_TXOP, (burst_time * 100 + 16) / 32); | |
9776 | NLA_PUT_U16(msg, NL80211_TXQ_ATTR_CWMIN, cw_min); | |
9777 | NLA_PUT_U16(msg, NL80211_TXQ_ATTR_CWMAX, cw_max); | |
9778 | NLA_PUT_U8(msg, NL80211_TXQ_ATTR_AIFS, aifs); | |
9779 | ||
9780 | nla_nest_end(msg, params); | |
9781 | ||
9782 | nla_nest_end(msg, txq); | |
9783 | ||
9784 | if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0) | |
9785 | return 0; | |
9786 | msg = NULL; | |
9787 | nla_put_failure: | |
9788 | nlmsg_free(msg); | |
9789 | return -1; | |
9790 | } | |
9791 | ||
9792 | ||
9793 | static int i802_set_sta_vlan(struct i802_bss *bss, const u8 *addr, | |
9794 | const char *ifname, int vlan_id) | |
9795 | { | |
9796 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
9797 | struct nl_msg *msg; | |
9798 | int ret = -ENOBUFS; | |
9799 | ||
9800 | msg = nlmsg_alloc(); | |
9801 | if (!msg) | |
9802 | return -ENOMEM; | |
9803 | ||
9804 | wpa_printf(MSG_DEBUG, "nl80211: %s[%d]: set_sta_vlan(" MACSTR | |
9805 | ", ifname=%s[%d], vlan_id=%d)", | |
9806 | bss->ifname, if_nametoindex(bss->ifname), | |
9807 | MAC2STR(addr), ifname, if_nametoindex(ifname), vlan_id); | |
9808 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_STATION); | |
9809 | ||
9810 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, | |
9811 | if_nametoindex(bss->ifname)); | |
9812 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); | |
9813 | NLA_PUT_U32(msg, NL80211_ATTR_STA_VLAN, | |
9814 | if_nametoindex(ifname)); | |
9815 | ||
9816 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
9817 | msg = NULL; | |
9818 | if (ret < 0) { | |
9819 | wpa_printf(MSG_ERROR, "nl80211: NL80211_ATTR_STA_VLAN (addr=" | |
9820 | MACSTR " ifname=%s vlan_id=%d) failed: %d (%s)", | |
9821 | MAC2STR(addr), ifname, vlan_id, ret, | |
9822 | strerror(-ret)); | |
9823 | } | |
9824 | nla_put_failure: | |
9825 | nlmsg_free(msg); | |
9826 | return ret; | |
9827 | } | |
9828 | ||
9829 | ||
9830 | static int i802_get_inact_sec(void *priv, const u8 *addr) | |
9831 | { | |
9832 | struct hostap_sta_driver_data data; | |
9833 | int ret; | |
9834 | ||
9835 | data.inactive_msec = (unsigned long) -1; | |
9836 | ret = i802_read_sta_data(priv, &data, addr); | |
9837 | if (ret || data.inactive_msec == (unsigned long) -1) | |
9838 | return -1; | |
9839 | return data.inactive_msec / 1000; | |
9840 | } | |
9841 | ||
9842 | ||
9843 | static int i802_sta_clear_stats(void *priv, const u8 *addr) | |
9844 | { | |
9845 | #if 0 | |
9846 | /* TODO */ | |
9847 | #endif | |
9848 | return 0; | |
9849 | } | |
9850 | ||
9851 | ||
9852 | static int i802_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr, | |
9853 | int reason) | |
9854 | { | |
9855 | struct i802_bss *bss = priv; | |
9856 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
9857 | struct ieee80211_mgmt mgmt; | |
9858 | ||
9859 | if (drv->device_ap_sme) | |
9860 | return wpa_driver_nl80211_sta_remove(bss, addr, 1, reason); | |
9861 | ||
9862 | memset(&mgmt, 0, sizeof(mgmt)); | |
9863 | mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, | |
9864 | WLAN_FC_STYPE_DEAUTH); | |
9865 | memcpy(mgmt.da, addr, ETH_ALEN); | |
9866 | memcpy(mgmt.sa, own_addr, ETH_ALEN); | |
9867 | memcpy(mgmt.bssid, own_addr, ETH_ALEN); | |
9868 | mgmt.u.deauth.reason_code = host_to_le16(reason); | |
9869 | return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt, | |
9870 | IEEE80211_HDRLEN + | |
9871 | sizeof(mgmt.u.deauth), 0, 0, 0, 0, | |
9872 | 0); | |
9873 | } | |
9874 | ||
9875 | ||
9876 | static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr, | |
9877 | int reason) | |
9878 | { | |
9879 | struct i802_bss *bss = priv; | |
9880 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
9881 | struct ieee80211_mgmt mgmt; | |
9882 | ||
9883 | if (drv->device_ap_sme) | |
9884 | return wpa_driver_nl80211_sta_remove(bss, addr, 0, reason); | |
9885 | ||
9886 | memset(&mgmt, 0, sizeof(mgmt)); | |
9887 | mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, | |
9888 | WLAN_FC_STYPE_DISASSOC); | |
9889 | memcpy(mgmt.da, addr, ETH_ALEN); | |
9890 | memcpy(mgmt.sa, own_addr, ETH_ALEN); | |
9891 | memcpy(mgmt.bssid, own_addr, ETH_ALEN); | |
9892 | mgmt.u.disassoc.reason_code = host_to_le16(reason); | |
9893 | return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt, | |
9894 | IEEE80211_HDRLEN + | |
9895 | sizeof(mgmt.u.disassoc), 0, 0, 0, 0, | |
9896 | 0); | |
9897 | } | |
9898 | ||
9899 | ||
9900 | static void dump_ifidx(struct wpa_driver_nl80211_data *drv) | |
9901 | { | |
9902 | char buf[200], *pos, *end; | |
9903 | int i, res; | |
9904 | ||
9905 | pos = buf; | |
9906 | end = pos + sizeof(buf); | |
9907 | ||
9908 | for (i = 0; i < drv->num_if_indices; i++) { | |
9909 | if (!drv->if_indices[i]) | |
9910 | continue; | |
9911 | res = os_snprintf(pos, end - pos, " %d", drv->if_indices[i]); | |
9912 | if (res < 0 || res >= end - pos) | |
9913 | break; | |
9914 | pos += res; | |
9915 | } | |
9916 | *pos = '\0'; | |
9917 | ||
9918 | wpa_printf(MSG_DEBUG, "nl80211: if_indices[%d]:%s", | |
9919 | drv->num_if_indices, buf); | |
9920 | } | |
9921 | ||
9922 | ||
9923 | static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx) | |
9924 | { | |
9925 | int i; | |
9926 | int *old; | |
9927 | ||
9928 | wpa_printf(MSG_DEBUG, "nl80211: Add own interface ifindex %d", | |
9929 | ifidx); | |
9930 | if (have_ifidx(drv, ifidx)) { | |
9931 | wpa_printf(MSG_DEBUG, "nl80211: ifindex %d already in the list", | |
9932 | ifidx); | |
9933 | return; | |
9934 | } | |
9935 | for (i = 0; i < drv->num_if_indices; i++) { | |
9936 | if (drv->if_indices[i] == 0) { | |
9937 | drv->if_indices[i] = ifidx; | |
9938 | dump_ifidx(drv); | |
9939 | return; | |
9940 | } | |
9941 | } | |
9942 | ||
9943 | if (drv->if_indices != drv->default_if_indices) | |
9944 | old = drv->if_indices; | |
9945 | else | |
9946 | old = NULL; | |
9947 | ||
9948 | drv->if_indices = os_realloc_array(old, drv->num_if_indices + 1, | |
9949 | sizeof(int)); | |
9950 | if (!drv->if_indices) { | |
9951 | if (!old) | |
9952 | drv->if_indices = drv->default_if_indices; | |
9953 | else | |
9954 | drv->if_indices = old; | |
9955 | wpa_printf(MSG_ERROR, "Failed to reallocate memory for " | |
9956 | "interfaces"); | |
9957 | wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx); | |
9958 | return; | |
9959 | } else if (!old) | |
9960 | os_memcpy(drv->if_indices, drv->default_if_indices, | |
9961 | sizeof(drv->default_if_indices)); | |
9962 | drv->if_indices[drv->num_if_indices] = ifidx; | |
9963 | drv->num_if_indices++; | |
9964 | dump_ifidx(drv); | |
9965 | } | |
9966 | ||
9967 | ||
9968 | static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx) | |
9969 | { | |
9970 | int i; | |
9971 | ||
9972 | for (i = 0; i < drv->num_if_indices; i++) { | |
9973 | if (drv->if_indices[i] == ifidx) { | |
9974 | drv->if_indices[i] = 0; | |
9975 | break; | |
9976 | } | |
9977 | } | |
9978 | dump_ifidx(drv); | |
9979 | } | |
9980 | ||
9981 | ||
9982 | static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx) | |
9983 | { | |
9984 | int i; | |
9985 | ||
9986 | for (i = 0; i < drv->num_if_indices; i++) | |
9987 | if (drv->if_indices[i] == ifidx) | |
9988 | return 1; | |
9989 | ||
9990 | return 0; | |
9991 | } | |
9992 | ||
9993 | ||
9994 | static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val, | |
9995 | const char *bridge_ifname, char *ifname_wds) | |
9996 | { | |
9997 | struct i802_bss *bss = priv; | |
9998 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
9999 | char name[IFNAMSIZ + 1]; | |
10000 | ||
10001 | os_snprintf(name, sizeof(name), "%s.sta%d", bss->ifname, aid); | |
10002 | if (ifname_wds) | |
10003 | os_strlcpy(ifname_wds, name, IFNAMSIZ + 1); | |
10004 | ||
10005 | wpa_printf(MSG_DEBUG, "nl80211: Set WDS STA addr=" MACSTR | |
10006 | " aid=%d val=%d name=%s", MAC2STR(addr), aid, val, name); | |
10007 | if (val) { | |
10008 | if (!if_nametoindex(name)) { | |
10009 | if (nl80211_create_iface(drv, name, | |
10010 | NL80211_IFTYPE_AP_VLAN, | |
10011 | bss->addr, 1, NULL, NULL, 0) < | |
10012 | 0) | |
10013 | return -1; | |
10014 | if (bridge_ifname && | |
10015 | linux_br_add_if(drv->global->ioctl_sock, | |
10016 | bridge_ifname, name) < 0) | |
10017 | return -1; | |
10018 | } | |
10019 | if (linux_set_iface_flags(drv->global->ioctl_sock, name, 1)) { | |
10020 | wpa_printf(MSG_ERROR, "nl80211: Failed to set WDS STA " | |
10021 | "interface %s up", name); | |
10022 | } | |
10023 | return i802_set_sta_vlan(priv, addr, name, 0); | |
10024 | } else { | |
10025 | if (bridge_ifname) | |
10026 | linux_br_del_if(drv->global->ioctl_sock, bridge_ifname, | |
10027 | name); | |
10028 | ||
10029 | i802_set_sta_vlan(priv, addr, bss->ifname, 0); | |
10030 | nl80211_remove_iface(drv, if_nametoindex(name)); | |
10031 | return 0; | |
10032 | } | |
10033 | } | |
10034 | ||
10035 | ||
10036 | static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx) | |
10037 | { | |
10038 | struct wpa_driver_nl80211_data *drv = eloop_ctx; | |
10039 | struct sockaddr_ll lladdr; | |
10040 | unsigned char buf[3000]; | |
10041 | int len; | |
10042 | socklen_t fromlen = sizeof(lladdr); | |
10043 | ||
10044 | len = recvfrom(sock, buf, sizeof(buf), 0, | |
10045 | (struct sockaddr *)&lladdr, &fromlen); | |
10046 | if (len < 0) { | |
10047 | wpa_printf(MSG_ERROR, "nl80211: EAPOL recv failed: %s", | |
10048 | strerror(errno)); | |
10049 | return; | |
10050 | } | |
10051 | ||
10052 | if (have_ifidx(drv, lladdr.sll_ifindex)) | |
10053 | drv_event_eapol_rx(drv->ctx, lladdr.sll_addr, buf, len); | |
10054 | } | |
10055 | ||
10056 | ||
10057 | static int i802_check_bridge(struct wpa_driver_nl80211_data *drv, | |
10058 | struct i802_bss *bss, | |
10059 | const char *brname, const char *ifname) | |
10060 | { | |
10061 | int ifindex; | |
10062 | char in_br[IFNAMSIZ]; | |
10063 | ||
10064 | os_strlcpy(bss->brname, brname, IFNAMSIZ); | |
10065 | ifindex = if_nametoindex(brname); | |
10066 | if (ifindex == 0) { | |
10067 | /* | |
10068 | * Bridge was configured, but the bridge device does | |
10069 | * not exist. Try to add it now. | |
10070 | */ | |
10071 | if (linux_br_add(drv->global->ioctl_sock, brname) < 0) { | |
10072 | wpa_printf(MSG_ERROR, "nl80211: Failed to add the " | |
10073 | "bridge interface %s: %s", | |
10074 | brname, strerror(errno)); | |
10075 | return -1; | |
10076 | } | |
10077 | bss->added_bridge = 1; | |
10078 | add_ifidx(drv, if_nametoindex(brname)); | |
10079 | } | |
10080 | ||
10081 | if (linux_br_get(in_br, ifname) == 0) { | |
10082 | if (os_strcmp(in_br, brname) == 0) | |
10083 | return 0; /* already in the bridge */ | |
10084 | ||
10085 | wpa_printf(MSG_DEBUG, "nl80211: Removing interface %s from " | |
10086 | "bridge %s", ifname, in_br); | |
10087 | if (linux_br_del_if(drv->global->ioctl_sock, in_br, ifname) < | |
10088 | 0) { | |
10089 | wpa_printf(MSG_ERROR, "nl80211: Failed to " | |
10090 | "remove interface %s from bridge " | |
10091 | "%s: %s", | |
10092 | ifname, brname, strerror(errno)); | |
10093 | return -1; | |
10094 | } | |
10095 | } | |
10096 | ||
10097 | wpa_printf(MSG_DEBUG, "nl80211: Adding interface %s into bridge %s", | |
10098 | ifname, brname); | |
10099 | if (linux_br_add_if(drv->global->ioctl_sock, brname, ifname) < 0) { | |
10100 | wpa_printf(MSG_ERROR, "nl80211: Failed to add interface %s " | |
10101 | "into bridge %s: %s", | |
10102 | ifname, brname, strerror(errno)); | |
10103 | return -1; | |
10104 | } | |
10105 | bss->added_if_into_bridge = 1; | |
10106 | ||
10107 | return 0; | |
10108 | } | |
10109 | ||
10110 | ||
10111 | static void *i802_init(struct hostapd_data *hapd, | |
10112 | struct wpa_init_params *params) | |
10113 | { | |
10114 | struct wpa_driver_nl80211_data *drv; | |
10115 | struct i802_bss *bss; | |
10116 | size_t i; | |
10117 | char brname[IFNAMSIZ]; | |
10118 | int ifindex, br_ifindex; | |
10119 | int br_added = 0; | |
10120 | ||
10121 | bss = wpa_driver_nl80211_drv_init(hapd, params->ifname, | |
10122 | params->global_priv, 1, | |
10123 | params->bssid); | |
10124 | if (bss == NULL) | |
10125 | return NULL; | |
10126 | ||
10127 | drv = bss->drv; | |
10128 | ||
10129 | if (linux_br_get(brname, params->ifname) == 0) { | |
10130 | wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in bridge %s", | |
10131 | params->ifname, brname); | |
10132 | br_ifindex = if_nametoindex(brname); | |
10133 | } else { | |
10134 | brname[0] = '\0'; | |
10135 | br_ifindex = 0; | |
10136 | } | |
10137 | ||
10138 | for (i = 0; i < params->num_bridge; i++) { | |
10139 | if (params->bridge[i]) { | |
10140 | ifindex = if_nametoindex(params->bridge[i]); | |
10141 | if (ifindex) | |
10142 | add_ifidx(drv, ifindex); | |
10143 | if (ifindex == br_ifindex) | |
10144 | br_added = 1; | |
10145 | } | |
10146 | } | |
10147 | if (!br_added && br_ifindex && | |
10148 | (params->num_bridge == 0 || !params->bridge[0])) | |
10149 | add_ifidx(drv, br_ifindex); | |
10150 | ||
10151 | /* start listening for EAPOL on the default AP interface */ | |
10152 | add_ifidx(drv, drv->ifindex); | |
10153 | ||
10154 | if (params->num_bridge && params->bridge[0] && | |
10155 | i802_check_bridge(drv, bss, params->bridge[0], params->ifname) < 0) | |
10156 | goto failed; | |
10157 | ||
10158 | #ifdef CONFIG_LIBNL3_ROUTE | |
10159 | if (bss->added_if_into_bridge) { | |
10160 | drv->rtnl_sk = nl_socket_alloc(); | |
10161 | if (drv->rtnl_sk == NULL) { | |
10162 | wpa_printf(MSG_ERROR, "nl80211: Failed to allocate nl_sock"); | |
10163 | goto failed; | |
10164 | } | |
10165 | ||
10166 | if (nl_connect(drv->rtnl_sk, NETLINK_ROUTE)) { | |
10167 | wpa_printf(MSG_ERROR, "nl80211: Failed to connect nl_sock to NETLINK_ROUTE: %s", | |
10168 | strerror(errno)); | |
10169 | goto failed; | |
10170 | } | |
10171 | } | |
10172 | #endif /* CONFIG_LIBNL3_ROUTE */ | |
10173 | ||
10174 | drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE)); | |
10175 | if (drv->eapol_sock < 0) { | |
10176 | wpa_printf(MSG_ERROR, "nl80211: socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE) failed: %s", | |
10177 | strerror(errno)); | |
10178 | goto failed; | |
10179 | } | |
10180 | ||
10181 | if (eloop_register_read_sock(drv->eapol_sock, handle_eapol, drv, NULL)) | |
10182 | { | |
10183 | wpa_printf(MSG_INFO, "nl80211: Could not register read socket for eapol"); | |
10184 | goto failed; | |
10185 | } | |
10186 | ||
10187 | if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname, | |
10188 | params->own_addr)) | |
10189 | goto failed; | |
10190 | os_memcpy(drv->perm_addr, params->own_addr, ETH_ALEN); | |
10191 | ||
10192 | memcpy(bss->addr, params->own_addr, ETH_ALEN); | |
10193 | ||
10194 | return bss; | |
10195 | ||
10196 | failed: | |
10197 | wpa_driver_nl80211_deinit(bss); | |
10198 | return NULL; | |
10199 | } | |
10200 | ||
10201 | ||
10202 | static void i802_deinit(void *priv) | |
10203 | { | |
10204 | struct i802_bss *bss = priv; | |
10205 | wpa_driver_nl80211_deinit(bss); | |
10206 | } | |
10207 | ||
10208 | ||
10209 | static enum nl80211_iftype wpa_driver_nl80211_if_type( | |
10210 | enum wpa_driver_if_type type) | |
10211 | { | |
10212 | switch (type) { | |
10213 | case WPA_IF_STATION: | |
10214 | return NL80211_IFTYPE_STATION; | |
10215 | case WPA_IF_P2P_CLIENT: | |
10216 | case WPA_IF_P2P_GROUP: | |
10217 | return NL80211_IFTYPE_P2P_CLIENT; | |
10218 | case WPA_IF_AP_VLAN: | |
10219 | return NL80211_IFTYPE_AP_VLAN; | |
10220 | case WPA_IF_AP_BSS: | |
10221 | return NL80211_IFTYPE_AP; | |
10222 | case WPA_IF_P2P_GO: | |
10223 | return NL80211_IFTYPE_P2P_GO; | |
10224 | case WPA_IF_P2P_DEVICE: | |
10225 | return NL80211_IFTYPE_P2P_DEVICE; | |
10226 | } | |
10227 | return -1; | |
10228 | } | |
10229 | ||
10230 | ||
10231 | #ifdef CONFIG_P2P | |
10232 | ||
10233 | static int nl80211_addr_in_use(struct nl80211_global *global, const u8 *addr) | |
10234 | { | |
10235 | struct wpa_driver_nl80211_data *drv; | |
10236 | dl_list_for_each(drv, &global->interfaces, | |
10237 | struct wpa_driver_nl80211_data, list) { | |
10238 | if (os_memcmp(addr, drv->first_bss->addr, ETH_ALEN) == 0) | |
10239 | return 1; | |
10240 | } | |
10241 | return 0; | |
10242 | } | |
10243 | ||
10244 | ||
10245 | static int nl80211_p2p_interface_addr(struct wpa_driver_nl80211_data *drv, | |
10246 | u8 *new_addr) | |
10247 | { | |
10248 | unsigned int idx; | |
10249 | ||
10250 | if (!drv->global) | |
10251 | return -1; | |
10252 | ||
10253 | os_memcpy(new_addr, drv->first_bss->addr, ETH_ALEN); | |
10254 | for (idx = 0; idx < 64; idx++) { | |
10255 | new_addr[0] = drv->first_bss->addr[0] | 0x02; | |
10256 | new_addr[0] ^= idx << 2; | |
10257 | if (!nl80211_addr_in_use(drv->global, new_addr)) | |
10258 | break; | |
10259 | } | |
10260 | if (idx == 64) | |
10261 | return -1; | |
10262 | ||
10263 | wpa_printf(MSG_DEBUG, "nl80211: Assigned new P2P Interface Address " | |
10264 | MACSTR, MAC2STR(new_addr)); | |
10265 | ||
10266 | return 0; | |
10267 | } | |
10268 | ||
10269 | #endif /* CONFIG_P2P */ | |
10270 | ||
10271 | ||
10272 | struct wdev_info { | |
10273 | u64 wdev_id; | |
10274 | int wdev_id_set; | |
10275 | u8 macaddr[ETH_ALEN]; | |
10276 | }; | |
10277 | ||
10278 | static int nl80211_wdev_handler(struct nl_msg *msg, void *arg) | |
10279 | { | |
10280 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
10281 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
10282 | struct wdev_info *wi = arg; | |
10283 | ||
10284 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
10285 | genlmsg_attrlen(gnlh, 0), NULL); | |
10286 | if (tb[NL80211_ATTR_WDEV]) { | |
10287 | wi->wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]); | |
10288 | wi->wdev_id_set = 1; | |
10289 | } | |
10290 | ||
10291 | if (tb[NL80211_ATTR_MAC]) | |
10292 | os_memcpy(wi->macaddr, nla_data(tb[NL80211_ATTR_MAC]), | |
10293 | ETH_ALEN); | |
10294 | ||
10295 | return NL_SKIP; | |
10296 | } | |
10297 | ||
10298 | ||
10299 | static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type, | |
10300 | const char *ifname, const u8 *addr, | |
10301 | void *bss_ctx, void **drv_priv, | |
10302 | char *force_ifname, u8 *if_addr, | |
10303 | const char *bridge, int use_existing) | |
10304 | { | |
10305 | enum nl80211_iftype nlmode; | |
10306 | struct i802_bss *bss = priv; | |
10307 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
10308 | int ifidx; | |
10309 | int added = 1; | |
10310 | ||
10311 | if (addr) | |
10312 | os_memcpy(if_addr, addr, ETH_ALEN); | |
10313 | nlmode = wpa_driver_nl80211_if_type(type); | |
10314 | if (nlmode == NL80211_IFTYPE_P2P_DEVICE) { | |
10315 | struct wdev_info p2pdev_info; | |
10316 | ||
10317 | os_memset(&p2pdev_info, 0, sizeof(p2pdev_info)); | |
10318 | ifidx = nl80211_create_iface(drv, ifname, nlmode, addr, | |
10319 | 0, nl80211_wdev_handler, | |
10320 | &p2pdev_info, use_existing); | |
10321 | if (!p2pdev_info.wdev_id_set || ifidx != 0) { | |
10322 | wpa_printf(MSG_ERROR, "nl80211: Failed to create a P2P Device interface %s", | |
10323 | ifname); | |
10324 | return -1; | |
10325 | } | |
10326 | ||
10327 | drv->global->if_add_wdevid = p2pdev_info.wdev_id; | |
10328 | drv->global->if_add_wdevid_set = p2pdev_info.wdev_id_set; | |
10329 | if (!is_zero_ether_addr(p2pdev_info.macaddr)) | |
10330 | os_memcpy(if_addr, p2pdev_info.macaddr, ETH_ALEN); | |
10331 | wpa_printf(MSG_DEBUG, "nl80211: New P2P Device interface %s (0x%llx) created", | |
10332 | ifname, | |
10333 | (long long unsigned int) p2pdev_info.wdev_id); | |
10334 | } else { | |
10335 | ifidx = nl80211_create_iface(drv, ifname, nlmode, addr, | |
10336 | 0, NULL, NULL, use_existing); | |
10337 | if (use_existing && ifidx == -ENFILE) { | |
10338 | added = 0; | |
10339 | ifidx = if_nametoindex(ifname); | |
10340 | } else if (ifidx < 0) { | |
10341 | return -1; | |
10342 | } | |
10343 | } | |
10344 | ||
10345 | if (!addr) { | |
10346 | if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) | |
10347 | os_memcpy(if_addr, bss->addr, ETH_ALEN); | |
10348 | else if (linux_get_ifhwaddr(drv->global->ioctl_sock, | |
10349 | bss->ifname, if_addr) < 0) { | |
10350 | if (added) | |
10351 | nl80211_remove_iface(drv, ifidx); | |
10352 | return -1; | |
10353 | } | |
10354 | } | |
10355 | ||
10356 | #ifdef CONFIG_P2P | |
10357 | if (!addr && | |
10358 | (type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP || | |
10359 | type == WPA_IF_P2P_GO)) { | |
10360 | /* Enforce unique P2P Interface Address */ | |
10361 | u8 new_addr[ETH_ALEN]; | |
10362 | ||
10363 | if (linux_get_ifhwaddr(drv->global->ioctl_sock, ifname, | |
10364 | new_addr) < 0) { | |
10365 | if (added) | |
10366 | nl80211_remove_iface(drv, ifidx); | |
10367 | return -1; | |
10368 | } | |
10369 | if (nl80211_addr_in_use(drv->global, new_addr)) { | |
10370 | wpa_printf(MSG_DEBUG, "nl80211: Allocate new address " | |
10371 | "for P2P group interface"); | |
10372 | if (nl80211_p2p_interface_addr(drv, new_addr) < 0) { | |
10373 | if (added) | |
10374 | nl80211_remove_iface(drv, ifidx); | |
10375 | return -1; | |
10376 | } | |
10377 | if (linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, | |
10378 | new_addr) < 0) { | |
10379 | if (added) | |
10380 | nl80211_remove_iface(drv, ifidx); | |
10381 | return -1; | |
10382 | } | |
10383 | } | |
10384 | os_memcpy(if_addr, new_addr, ETH_ALEN); | |
10385 | } | |
10386 | #endif /* CONFIG_P2P */ | |
10387 | ||
10388 | if (type == WPA_IF_AP_BSS) { | |
10389 | struct i802_bss *new_bss = os_zalloc(sizeof(*new_bss)); | |
10390 | if (new_bss == NULL) { | |
10391 | if (added) | |
10392 | nl80211_remove_iface(drv, ifidx); | |
10393 | return -1; | |
10394 | } | |
10395 | ||
10396 | if (bridge && | |
10397 | i802_check_bridge(drv, new_bss, bridge, ifname) < 0) { | |
10398 | wpa_printf(MSG_ERROR, "nl80211: Failed to add the new " | |
10399 | "interface %s to a bridge %s", | |
10400 | ifname, bridge); | |
10401 | if (added) | |
10402 | nl80211_remove_iface(drv, ifidx); | |
10403 | os_free(new_bss); | |
10404 | return -1; | |
10405 | } | |
10406 | ||
10407 | if (linux_set_iface_flags(drv->global->ioctl_sock, ifname, 1)) | |
10408 | { | |
10409 | if (added) | |
10410 | nl80211_remove_iface(drv, ifidx); | |
10411 | os_free(new_bss); | |
10412 | return -1; | |
10413 | } | |
10414 | os_strlcpy(new_bss->ifname, ifname, IFNAMSIZ); | |
10415 | os_memcpy(new_bss->addr, if_addr, ETH_ALEN); | |
10416 | new_bss->ifindex = ifidx; | |
10417 | new_bss->drv = drv; | |
10418 | new_bss->next = drv->first_bss->next; | |
10419 | new_bss->freq = drv->first_bss->freq; | |
10420 | new_bss->ctx = bss_ctx; | |
10421 | new_bss->added_if = added; | |
10422 | drv->first_bss->next = new_bss; | |
10423 | if (drv_priv) | |
10424 | *drv_priv = new_bss; | |
10425 | nl80211_init_bss(new_bss); | |
10426 | ||
10427 | /* Subscribe management frames for this WPA_IF_AP_BSS */ | |
10428 | if (nl80211_setup_ap(new_bss)) | |
10429 | return -1; | |
10430 | } | |
10431 | ||
10432 | if (drv->global) | |
10433 | drv->global->if_add_ifindex = ifidx; | |
10434 | ||
10435 | /* | |
10436 | * Some virtual interfaces need to process EAPOL packets and events on | |
10437 | * the parent interface. This is used mainly with hostapd. | |
10438 | */ | |
10439 | if (ifidx > 0 && | |
10440 | (drv->hostapd || | |
10441 | nlmode == NL80211_IFTYPE_AP_VLAN || | |
10442 | nlmode == NL80211_IFTYPE_WDS || | |
10443 | nlmode == NL80211_IFTYPE_MONITOR)) | |
10444 | add_ifidx(drv, ifidx); | |
10445 | ||
10446 | return 0; | |
10447 | } | |
10448 | ||
10449 | ||
10450 | static int wpa_driver_nl80211_if_remove(struct i802_bss *bss, | |
10451 | enum wpa_driver_if_type type, | |
10452 | const char *ifname) | |
10453 | { | |
10454 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
10455 | int ifindex = if_nametoindex(ifname); | |
10456 | ||
10457 | wpa_printf(MSG_DEBUG, "nl80211: %s(type=%d ifname=%s) ifindex=%d added_if=%d", | |
10458 | __func__, type, ifname, ifindex, bss->added_if); | |
10459 | if (ifindex > 0 && (bss->added_if || bss->ifindex != ifindex)) | |
10460 | nl80211_remove_iface(drv, ifindex); | |
10461 | else if (ifindex > 0 && !bss->added_if) { | |
10462 | struct wpa_driver_nl80211_data *drv2; | |
10463 | dl_list_for_each(drv2, &drv->global->interfaces, | |
10464 | struct wpa_driver_nl80211_data, list) | |
10465 | del_ifidx(drv2, ifindex); | |
10466 | } | |
10467 | ||
10468 | if (type != WPA_IF_AP_BSS) | |
10469 | return 0; | |
10470 | ||
10471 | if (bss->added_if_into_bridge) { | |
10472 | if (linux_br_del_if(drv->global->ioctl_sock, bss->brname, | |
10473 | bss->ifname) < 0) | |
10474 | wpa_printf(MSG_INFO, "nl80211: Failed to remove " | |
10475 | "interface %s from bridge %s: %s", | |
10476 | bss->ifname, bss->brname, strerror(errno)); | |
10477 | } | |
10478 | if (bss->added_bridge) { | |
10479 | if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0) | |
10480 | wpa_printf(MSG_INFO, "nl80211: Failed to remove " | |
10481 | "bridge %s: %s", | |
10482 | bss->brname, strerror(errno)); | |
10483 | } | |
10484 | ||
10485 | if (bss != drv->first_bss) { | |
10486 | struct i802_bss *tbss; | |
10487 | ||
10488 | wpa_printf(MSG_DEBUG, "nl80211: Not the first BSS - remove it"); | |
10489 | for (tbss = drv->first_bss; tbss; tbss = tbss->next) { | |
10490 | if (tbss->next == bss) { | |
10491 | tbss->next = bss->next; | |
10492 | /* Unsubscribe management frames */ | |
10493 | nl80211_teardown_ap(bss); | |
10494 | nl80211_destroy_bss(bss); | |
10495 | if (!bss->added_if) | |
10496 | i802_set_iface_flags(bss, 0); | |
10497 | os_free(bss); | |
10498 | bss = NULL; | |
10499 | break; | |
10500 | } | |
10501 | } | |
10502 | if (bss) | |
10503 | wpa_printf(MSG_INFO, "nl80211: %s - could not find " | |
10504 | "BSS %p in the list", __func__, bss); | |
10505 | } else { | |
10506 | wpa_printf(MSG_DEBUG, "nl80211: First BSS - reassign context"); | |
10507 | nl80211_teardown_ap(bss); | |
10508 | if (!bss->added_if && !drv->first_bss->next) | |
10509 | wpa_driver_nl80211_del_beacon(drv); | |
10510 | nl80211_destroy_bss(bss); | |
10511 | if (!bss->added_if) | |
10512 | i802_set_iface_flags(bss, 0); | |
10513 | if (drv->first_bss->next) { | |
10514 | drv->first_bss = drv->first_bss->next; | |
10515 | drv->ctx = drv->first_bss->ctx; | |
10516 | os_free(bss); | |
10517 | } else { | |
10518 | wpa_printf(MSG_DEBUG, "nl80211: No second BSS to reassign context to"); | |
10519 | } | |
10520 | } | |
10521 | ||
10522 | return 0; | |
10523 | } | |
10524 | ||
10525 | ||
10526 | static int cookie_handler(struct nl_msg *msg, void *arg) | |
10527 | { | |
10528 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
10529 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
10530 | u64 *cookie = arg; | |
10531 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
10532 | genlmsg_attrlen(gnlh, 0), NULL); | |
10533 | if (tb[NL80211_ATTR_COOKIE]) | |
10534 | *cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]); | |
10535 | return NL_SKIP; | |
10536 | } | |
10537 | ||
10538 | ||
10539 | static int nl80211_send_frame_cmd(struct i802_bss *bss, | |
10540 | unsigned int freq, unsigned int wait, | |
10541 | const u8 *buf, size_t buf_len, | |
10542 | u64 *cookie_out, int no_cck, int no_ack, | |
10543 | int offchanok) | |
10544 | { | |
10545 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
10546 | struct nl_msg *msg; | |
10547 | u64 cookie; | |
10548 | int ret = -1; | |
10549 | ||
10550 | msg = nlmsg_alloc(); | |
10551 | if (!msg) | |
10552 | return -1; | |
10553 | ||
10554 | wpa_printf(MSG_MSGDUMP, "nl80211: CMD_FRAME freq=%u wait=%u no_cck=%d " | |
10555 | "no_ack=%d offchanok=%d", | |
10556 | freq, wait, no_cck, no_ack, offchanok); | |
10557 | wpa_hexdump(MSG_MSGDUMP, "CMD_FRAME", buf, buf_len); | |
10558 | nl80211_cmd(drv, msg, 0, NL80211_CMD_FRAME); | |
10559 | ||
10560 | if (nl80211_set_iface_id(msg, bss) < 0) | |
10561 | goto nla_put_failure; | |
10562 | if (freq) | |
10563 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq); | |
10564 | if (wait) | |
10565 | NLA_PUT_U32(msg, NL80211_ATTR_DURATION, wait); | |
10566 | if (offchanok && ((drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) || | |
10567 | drv->test_use_roc_tx)) | |
10568 | NLA_PUT_FLAG(msg, NL80211_ATTR_OFFCHANNEL_TX_OK); | |
10569 | if (no_cck) | |
10570 | NLA_PUT_FLAG(msg, NL80211_ATTR_TX_NO_CCK_RATE); | |
10571 | if (no_ack) | |
10572 | NLA_PUT_FLAG(msg, NL80211_ATTR_DONT_WAIT_FOR_ACK); | |
10573 | ||
10574 | NLA_PUT(msg, NL80211_ATTR_FRAME, buf_len, buf); | |
10575 | ||
10576 | cookie = 0; | |
10577 | ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie); | |
10578 | msg = NULL; | |
10579 | if (ret) { | |
10580 | wpa_printf(MSG_DEBUG, "nl80211: Frame command failed: ret=%d " | |
10581 | "(%s) (freq=%u wait=%u)", ret, strerror(-ret), | |
10582 | freq, wait); | |
10583 | goto nla_put_failure; | |
10584 | } | |
10585 | wpa_printf(MSG_MSGDUMP, "nl80211: Frame TX command accepted%s; " | |
10586 | "cookie 0x%llx", no_ack ? " (no ACK)" : "", | |
10587 | (long long unsigned int) cookie); | |
10588 | ||
10589 | if (cookie_out) | |
10590 | *cookie_out = no_ack ? (u64) -1 : cookie; | |
10591 | ||
10592 | nla_put_failure: | |
10593 | nlmsg_free(msg); | |
10594 | return ret; | |
10595 | } | |
10596 | ||
10597 | ||
10598 | static int wpa_driver_nl80211_send_action(struct i802_bss *bss, | |
10599 | unsigned int freq, | |
10600 | unsigned int wait_time, | |
10601 | const u8 *dst, const u8 *src, | |
10602 | const u8 *bssid, | |
10603 | const u8 *data, size_t data_len, | |
10604 | int no_cck) | |
10605 | { | |
10606 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
10607 | int ret = -1; | |
10608 | u8 *buf; | |
10609 | struct ieee80211_hdr *hdr; | |
10610 | ||
10611 | wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d, " | |
10612 | "freq=%u MHz wait=%d ms no_cck=%d)", | |
10613 | drv->ifindex, freq, wait_time, no_cck); | |
10614 | ||
10615 | buf = os_zalloc(24 + data_len); | |
10616 | if (buf == NULL) | |
10617 | return ret; | |
10618 | os_memcpy(buf + 24, data, data_len); | |
10619 | hdr = (struct ieee80211_hdr *) buf; | |
10620 | hdr->frame_control = | |
10621 | IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_ACTION); | |
10622 | os_memcpy(hdr->addr1, dst, ETH_ALEN); | |
10623 | os_memcpy(hdr->addr2, src, ETH_ALEN); | |
10624 | os_memcpy(hdr->addr3, bssid, ETH_ALEN); | |
10625 | ||
10626 | if (is_ap_interface(drv->nlmode) && | |
10627 | (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) || | |
10628 | (int) freq == bss->freq || drv->device_ap_sme || | |
10629 | !drv->use_monitor)) | |
10630 | ret = wpa_driver_nl80211_send_mlme(bss, buf, 24 + data_len, | |
10631 | 0, freq, no_cck, 1, | |
10632 | wait_time); | |
10633 | else | |
10634 | ret = nl80211_send_frame_cmd(bss, freq, wait_time, buf, | |
10635 | 24 + data_len, | |
10636 | &drv->send_action_cookie, | |
10637 | no_cck, 0, 1); | |
10638 | ||
10639 | os_free(buf); | |
10640 | return ret; | |
10641 | } | |
10642 | ||
10643 | ||
10644 | static void wpa_driver_nl80211_send_action_cancel_wait(void *priv) | |
10645 | { | |
10646 | struct i802_bss *bss = priv; | |
10647 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
10648 | struct nl_msg *msg; | |
10649 | int ret; | |
10650 | ||
10651 | msg = nlmsg_alloc(); | |
10652 | if (!msg) | |
10653 | return; | |
10654 | ||
10655 | wpa_printf(MSG_DEBUG, "nl80211: Cancel TX frame wait: cookie=0x%llx", | |
10656 | (long long unsigned int) drv->send_action_cookie); | |
10657 | nl80211_cmd(drv, msg, 0, NL80211_CMD_FRAME_WAIT_CANCEL); | |
10658 | ||
10659 | if (nl80211_set_iface_id(msg, bss) < 0) | |
10660 | goto nla_put_failure; | |
10661 | NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, drv->send_action_cookie); | |
10662 | ||
10663 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
10664 | msg = NULL; | |
10665 | if (ret) | |
10666 | wpa_printf(MSG_DEBUG, "nl80211: wait cancel failed: ret=%d " | |
10667 | "(%s)", ret, strerror(-ret)); | |
10668 | ||
10669 | nla_put_failure: | |
10670 | nlmsg_free(msg); | |
10671 | } | |
10672 | ||
10673 | ||
10674 | static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq, | |
10675 | unsigned int duration) | |
10676 | { | |
10677 | struct i802_bss *bss = priv; | |
10678 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
10679 | struct nl_msg *msg; | |
10680 | int ret; | |
10681 | u64 cookie; | |
10682 | ||
10683 | msg = nlmsg_alloc(); | |
10684 | if (!msg) | |
10685 | return -1; | |
10686 | ||
10687 | nl80211_cmd(drv, msg, 0, NL80211_CMD_REMAIN_ON_CHANNEL); | |
10688 | ||
10689 | if (nl80211_set_iface_id(msg, bss) < 0) | |
10690 | goto nla_put_failure; | |
10691 | ||
10692 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq); | |
10693 | NLA_PUT_U32(msg, NL80211_ATTR_DURATION, duration); | |
10694 | ||
10695 | cookie = 0; | |
10696 | ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie); | |
10697 | msg = NULL; | |
10698 | if (ret == 0) { | |
10699 | wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel cookie " | |
10700 | "0x%llx for freq=%u MHz duration=%u", | |
10701 | (long long unsigned int) cookie, freq, duration); | |
10702 | drv->remain_on_chan_cookie = cookie; | |
10703 | drv->pending_remain_on_chan = 1; | |
10704 | return 0; | |
10705 | } | |
10706 | wpa_printf(MSG_DEBUG, "nl80211: Failed to request remain-on-channel " | |
10707 | "(freq=%d duration=%u): %d (%s)", | |
10708 | freq, duration, ret, strerror(-ret)); | |
10709 | nla_put_failure: | |
10710 | nlmsg_free(msg); | |
10711 | return -1; | |
10712 | } | |
10713 | ||
10714 | ||
10715 | static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv) | |
10716 | { | |
10717 | struct i802_bss *bss = priv; | |
10718 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
10719 | struct nl_msg *msg; | |
10720 | int ret; | |
10721 | ||
10722 | if (!drv->pending_remain_on_chan) { | |
10723 | wpa_printf(MSG_DEBUG, "nl80211: No pending remain-on-channel " | |
10724 | "to cancel"); | |
10725 | return -1; | |
10726 | } | |
10727 | ||
10728 | wpa_printf(MSG_DEBUG, "nl80211: Cancel remain-on-channel with cookie " | |
10729 | "0x%llx", | |
10730 | (long long unsigned int) drv->remain_on_chan_cookie); | |
10731 | ||
10732 | msg = nlmsg_alloc(); | |
10733 | if (!msg) | |
10734 | return -1; | |
10735 | ||
10736 | nl80211_cmd(drv, msg, 0, NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL); | |
10737 | ||
10738 | if (nl80211_set_iface_id(msg, bss) < 0) | |
10739 | goto nla_put_failure; | |
10740 | ||
10741 | NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, drv->remain_on_chan_cookie); | |
10742 | ||
10743 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
10744 | msg = NULL; | |
10745 | if (ret == 0) | |
10746 | return 0; | |
10747 | wpa_printf(MSG_DEBUG, "nl80211: Failed to cancel remain-on-channel: " | |
10748 | "%d (%s)", ret, strerror(-ret)); | |
10749 | nla_put_failure: | |
10750 | nlmsg_free(msg); | |
10751 | return -1; | |
10752 | } | |
10753 | ||
10754 | ||
10755 | static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, int report) | |
10756 | { | |
10757 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
10758 | ||
10759 | if (!report) { | |
10760 | if (bss->nl_preq && drv->device_ap_sme && | |
10761 | is_ap_interface(drv->nlmode) && !bss->in_deinit && | |
10762 | !bss->static_ap) { | |
10763 | /* | |
10764 | * Do not disable Probe Request reporting that was | |
10765 | * enabled in nl80211_setup_ap(). | |
10766 | */ | |
10767 | wpa_printf(MSG_DEBUG, "nl80211: Skip disabling of " | |
10768 | "Probe Request reporting nl_preq=%p while " | |
10769 | "in AP mode", bss->nl_preq); | |
10770 | } else if (bss->nl_preq) { | |
10771 | wpa_printf(MSG_DEBUG, "nl80211: Disable Probe Request " | |
10772 | "reporting nl_preq=%p", bss->nl_preq); | |
10773 | nl80211_destroy_eloop_handle(&bss->nl_preq); | |
10774 | } | |
10775 | return 0; | |
10776 | } | |
10777 | ||
10778 | if (bss->nl_preq) { | |
10779 | wpa_printf(MSG_DEBUG, "nl80211: Probe Request reporting " | |
10780 | "already on! nl_preq=%p", bss->nl_preq); | |
10781 | return 0; | |
10782 | } | |
10783 | ||
10784 | bss->nl_preq = nl_create_handle(drv->global->nl_cb, "preq"); | |
10785 | if (bss->nl_preq == NULL) | |
10786 | return -1; | |
10787 | wpa_printf(MSG_DEBUG, "nl80211: Enable Probe Request " | |
10788 | "reporting nl_preq=%p", bss->nl_preq); | |
10789 | ||
10790 | if (nl80211_register_frame(bss, bss->nl_preq, | |
10791 | (WLAN_FC_TYPE_MGMT << 2) | | |
10792 | (WLAN_FC_STYPE_PROBE_REQ << 4), | |
10793 | NULL, 0) < 0) | |
10794 | goto out_err; | |
10795 | ||
10796 | nl80211_register_eloop_read(&bss->nl_preq, | |
10797 | wpa_driver_nl80211_event_receive, | |
10798 | bss->nl_cb); | |
10799 | ||
10800 | return 0; | |
10801 | ||
10802 | out_err: | |
10803 | nl_destroy_handles(&bss->nl_preq); | |
10804 | return -1; | |
10805 | } | |
10806 | ||
10807 | ||
10808 | static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv, | |
10809 | int ifindex, int disabled) | |
10810 | { | |
10811 | struct nl_msg *msg; | |
10812 | struct nlattr *bands, *band; | |
10813 | int ret; | |
10814 | ||
10815 | msg = nlmsg_alloc(); | |
10816 | if (!msg) | |
10817 | return -1; | |
10818 | ||
10819 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_TX_BITRATE_MASK); | |
10820 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex); | |
10821 | ||
10822 | bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES); | |
10823 | if (!bands) | |
10824 | goto nla_put_failure; | |
10825 | ||
10826 | /* | |
10827 | * Disable 2 GHz rates 1, 2, 5.5, 11 Mbps by masking out everything | |
10828 | * else apart from 6, 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS | |
10829 | * rates. All 5 GHz rates are left enabled. | |
10830 | */ | |
10831 | band = nla_nest_start(msg, NL80211_BAND_2GHZ); | |
10832 | if (!band) | |
10833 | goto nla_put_failure; | |
10834 | if (disabled) { | |
10835 | NLA_PUT(msg, NL80211_TXRATE_LEGACY, 8, | |
10836 | "\x0c\x12\x18\x24\x30\x48\x60\x6c"); | |
10837 | } | |
10838 | nla_nest_end(msg, band); | |
10839 | ||
10840 | nla_nest_end(msg, bands); | |
10841 | ||
10842 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
10843 | msg = NULL; | |
10844 | if (ret) { | |
10845 | wpa_printf(MSG_DEBUG, "nl80211: Set TX rates failed: ret=%d " | |
10846 | "(%s)", ret, strerror(-ret)); | |
10847 | } else | |
10848 | drv->disabled_11b_rates = disabled; | |
10849 | ||
10850 | return ret; | |
10851 | ||
10852 | nla_put_failure: | |
10853 | nlmsg_free(msg); | |
10854 | return -1; | |
10855 | } | |
10856 | ||
10857 | ||
10858 | static int wpa_driver_nl80211_deinit_ap(void *priv) | |
10859 | { | |
10860 | struct i802_bss *bss = priv; | |
10861 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
10862 | if (!is_ap_interface(drv->nlmode)) | |
10863 | return -1; | |
10864 | wpa_driver_nl80211_del_beacon(drv); | |
10865 | ||
10866 | /* | |
10867 | * If the P2P GO interface was dynamically added, then it is | |
10868 | * possible that the interface change to station is not possible. | |
10869 | */ | |
10870 | if (drv->nlmode == NL80211_IFTYPE_P2P_GO && bss->if_dynamic) | |
10871 | return 0; | |
10872 | ||
10873 | return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION); | |
10874 | } | |
10875 | ||
10876 | ||
10877 | static int wpa_driver_nl80211_stop_ap(void *priv) | |
10878 | { | |
10879 | struct i802_bss *bss = priv; | |
10880 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
10881 | if (!is_ap_interface(drv->nlmode)) | |
10882 | return -1; | |
10883 | wpa_driver_nl80211_del_beacon(drv); | |
10884 | bss->beacon_set = 0; | |
10885 | return 0; | |
10886 | } | |
10887 | ||
10888 | ||
10889 | static int wpa_driver_nl80211_deinit_p2p_cli(void *priv) | |
10890 | { | |
10891 | struct i802_bss *bss = priv; | |
10892 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
10893 | if (drv->nlmode != NL80211_IFTYPE_P2P_CLIENT) | |
10894 | return -1; | |
10895 | ||
10896 | /* | |
10897 | * If the P2P Client interface was dynamically added, then it is | |
10898 | * possible that the interface change to station is not possible. | |
10899 | */ | |
10900 | if (bss->if_dynamic) | |
10901 | return 0; | |
10902 | ||
10903 | return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION); | |
10904 | } | |
10905 | ||
10906 | ||
10907 | static void wpa_driver_nl80211_resume(void *priv) | |
10908 | { | |
10909 | struct i802_bss *bss = priv; | |
10910 | ||
10911 | if (i802_set_iface_flags(bss, 1)) | |
10912 | wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface up on resume event"); | |
10913 | } | |
10914 | ||
10915 | ||
10916 | static int nl80211_send_ft_action(void *priv, u8 action, const u8 *target_ap, | |
10917 | const u8 *ies, size_t ies_len) | |
10918 | { | |
10919 | struct i802_bss *bss = priv; | |
10920 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
10921 | int ret; | |
10922 | u8 *data, *pos; | |
10923 | size_t data_len; | |
10924 | const u8 *own_addr = bss->addr; | |
10925 | ||
10926 | if (action != 1) { | |
10927 | wpa_printf(MSG_ERROR, "nl80211: Unsupported send_ft_action " | |
10928 | "action %d", action); | |
10929 | return -1; | |
10930 | } | |
10931 | ||
10932 | /* | |
10933 | * Action frame payload: | |
10934 | * Category[1] = 6 (Fast BSS Transition) | |
10935 | * Action[1] = 1 (Fast BSS Transition Request) | |
10936 | * STA Address | |
10937 | * Target AP Address | |
10938 | * FT IEs | |
10939 | */ | |
10940 | ||
10941 | data_len = 2 + 2 * ETH_ALEN + ies_len; | |
10942 | data = os_malloc(data_len); | |
10943 | if (data == NULL) | |
10944 | return -1; | |
10945 | pos = data; | |
10946 | *pos++ = 0x06; /* FT Action category */ | |
10947 | *pos++ = action; | |
10948 | os_memcpy(pos, own_addr, ETH_ALEN); | |
10949 | pos += ETH_ALEN; | |
10950 | os_memcpy(pos, target_ap, ETH_ALEN); | |
10951 | pos += ETH_ALEN; | |
10952 | os_memcpy(pos, ies, ies_len); | |
10953 | ||
10954 | ret = wpa_driver_nl80211_send_action(bss, drv->assoc_freq, 0, | |
10955 | drv->bssid, own_addr, drv->bssid, | |
10956 | data, data_len, 0); | |
10957 | os_free(data); | |
10958 | ||
10959 | return ret; | |
10960 | } | |
10961 | ||
10962 | ||
10963 | static int nl80211_signal_monitor(void *priv, int threshold, int hysteresis) | |
10964 | { | |
10965 | struct i802_bss *bss = priv; | |
10966 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
10967 | struct nl_msg *msg; | |
10968 | struct nlattr *cqm; | |
10969 | int ret = -1; | |
10970 | ||
10971 | wpa_printf(MSG_DEBUG, "nl80211: Signal monitor threshold=%d " | |
10972 | "hysteresis=%d", threshold, hysteresis); | |
10973 | ||
10974 | msg = nlmsg_alloc(); | |
10975 | if (!msg) | |
10976 | return -1; | |
10977 | ||
10978 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_CQM); | |
10979 | ||
10980 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex); | |
10981 | ||
10982 | cqm = nla_nest_start(msg, NL80211_ATTR_CQM); | |
10983 | if (cqm == NULL) | |
10984 | goto nla_put_failure; | |
10985 | ||
10986 | NLA_PUT_U32(msg, NL80211_ATTR_CQM_RSSI_THOLD, threshold); | |
10987 | NLA_PUT_U32(msg, NL80211_ATTR_CQM_RSSI_HYST, hysteresis); | |
10988 | nla_nest_end(msg, cqm); | |
10989 | ||
10990 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
10991 | msg = NULL; | |
10992 | ||
10993 | nla_put_failure: | |
10994 | nlmsg_free(msg); | |
10995 | return ret; | |
10996 | } | |
10997 | ||
10998 | ||
10999 | static int get_channel_width(struct nl_msg *msg, void *arg) | |
11000 | { | |
11001 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
11002 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
11003 | struct wpa_signal_info *sig_change = arg; | |
11004 | ||
11005 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
11006 | genlmsg_attrlen(gnlh, 0), NULL); | |
11007 | ||
11008 | sig_change->center_frq1 = -1; | |
11009 | sig_change->center_frq2 = -1; | |
11010 | sig_change->chanwidth = CHAN_WIDTH_UNKNOWN; | |
11011 | ||
11012 | if (tb[NL80211_ATTR_CHANNEL_WIDTH]) { | |
11013 | sig_change->chanwidth = convert2width( | |
11014 | nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH])); | |
11015 | if (tb[NL80211_ATTR_CENTER_FREQ1]) | |
11016 | sig_change->center_frq1 = | |
11017 | nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]); | |
11018 | if (tb[NL80211_ATTR_CENTER_FREQ2]) | |
11019 | sig_change->center_frq2 = | |
11020 | nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]); | |
11021 | } | |
11022 | ||
11023 | return NL_SKIP; | |
11024 | } | |
11025 | ||
11026 | ||
11027 | static int nl80211_get_channel_width(struct wpa_driver_nl80211_data *drv, | |
11028 | struct wpa_signal_info *sig) | |
11029 | { | |
11030 | struct nl_msg *msg; | |
11031 | ||
11032 | msg = nlmsg_alloc(); | |
11033 | if (!msg) | |
11034 | return -ENOMEM; | |
11035 | ||
11036 | nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_INTERFACE); | |
11037 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
11038 | ||
11039 | return send_and_recv_msgs(drv, msg, get_channel_width, sig); | |
11040 | ||
11041 | nla_put_failure: | |
11042 | nlmsg_free(msg); | |
11043 | return -ENOBUFS; | |
11044 | } | |
11045 | ||
11046 | ||
11047 | static int nl80211_signal_poll(void *priv, struct wpa_signal_info *si) | |
11048 | { | |
11049 | struct i802_bss *bss = priv; | |
11050 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
11051 | int res; | |
11052 | ||
11053 | os_memset(si, 0, sizeof(*si)); | |
11054 | res = nl80211_get_link_signal(drv, si); | |
11055 | if (res != 0) | |
11056 | return res; | |
11057 | ||
11058 | res = nl80211_get_channel_width(drv, si); | |
11059 | if (res != 0) | |
11060 | return res; | |
11061 | ||
11062 | return nl80211_get_link_noise(drv, si); | |
11063 | } | |
11064 | ||
11065 | ||
11066 | static int wpa_driver_nl80211_shared_freq(void *priv) | |
11067 | { | |
11068 | struct i802_bss *bss = priv; | |
11069 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
11070 | struct wpa_driver_nl80211_data *driver; | |
11071 | int freq = 0; | |
11072 | ||
11073 | /* | |
11074 | * If the same PHY is in connected state with some other interface, | |
11075 | * then retrieve the assoc freq. | |
11076 | */ | |
11077 | wpa_printf(MSG_DEBUG, "nl80211: Get shared freq for PHY %s", | |
11078 | drv->phyname); | |
11079 | ||
11080 | dl_list_for_each(driver, &drv->global->interfaces, | |
11081 | struct wpa_driver_nl80211_data, list) { | |
11082 | if (drv == driver || | |
11083 | os_strcmp(drv->phyname, driver->phyname) != 0 || | |
11084 | !driver->associated) | |
11085 | continue; | |
11086 | ||
11087 | wpa_printf(MSG_DEBUG, "nl80211: Found a match for PHY %s - %s " | |
11088 | MACSTR, | |
11089 | driver->phyname, driver->first_bss->ifname, | |
11090 | MAC2STR(driver->first_bss->addr)); | |
11091 | if (is_ap_interface(driver->nlmode)) | |
11092 | freq = driver->first_bss->freq; | |
11093 | else | |
11094 | freq = nl80211_get_assoc_freq(driver); | |
11095 | wpa_printf(MSG_DEBUG, "nl80211: Shared freq for PHY %s: %d", | |
11096 | drv->phyname, freq); | |
11097 | } | |
11098 | ||
11099 | if (!freq) | |
11100 | wpa_printf(MSG_DEBUG, "nl80211: No shared interface for " | |
11101 | "PHY (%s) in associated state", drv->phyname); | |
11102 | ||
11103 | return freq; | |
11104 | } | |
11105 | ||
11106 | ||
11107 | static int nl80211_send_frame(void *priv, const u8 *data, size_t data_len, | |
11108 | int encrypt) | |
11109 | { | |
11110 | struct i802_bss *bss = priv; | |
11111 | return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt, 0, | |
11112 | 0, 0, 0, 0); | |
11113 | } | |
11114 | ||
11115 | ||
11116 | static int nl80211_set_param(void *priv, const char *param) | |
11117 | { | |
11118 | wpa_printf(MSG_DEBUG, "nl80211: driver param='%s'", param); | |
11119 | if (param == NULL) | |
11120 | return 0; | |
11121 | ||
11122 | #ifdef CONFIG_P2P | |
11123 | if (os_strstr(param, "use_p2p_group_interface=1")) { | |
11124 | struct i802_bss *bss = priv; | |
11125 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
11126 | ||
11127 | wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group " | |
11128 | "interface"); | |
11129 | drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT; | |
11130 | drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P; | |
11131 | } | |
11132 | ||
11133 | if (os_strstr(param, "p2p_device=1")) { | |
11134 | struct i802_bss *bss = priv; | |
11135 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
11136 | drv->allow_p2p_device = 1; | |
11137 | } | |
11138 | #endif /* CONFIG_P2P */ | |
11139 | ||
11140 | if (os_strstr(param, "use_monitor=1")) { | |
11141 | struct i802_bss *bss = priv; | |
11142 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
11143 | drv->use_monitor = 1; | |
11144 | } | |
11145 | ||
11146 | if (os_strstr(param, "force_connect_cmd=1")) { | |
11147 | struct i802_bss *bss = priv; | |
11148 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
11149 | drv->capa.flags &= ~WPA_DRIVER_FLAGS_SME; | |
11150 | drv->force_connect_cmd = 1; | |
11151 | } | |
11152 | ||
11153 | if (os_strstr(param, "no_offchannel_tx=1")) { | |
11154 | struct i802_bss *bss = priv; | |
11155 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
11156 | drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_TX; | |
11157 | drv->test_use_roc_tx = 1; | |
11158 | } | |
11159 | ||
11160 | return 0; | |
11161 | } | |
11162 | ||
11163 | ||
11164 | static void * nl80211_global_init(void) | |
11165 | { | |
11166 | struct nl80211_global *global; | |
11167 | struct netlink_config *cfg; | |
11168 | ||
11169 | global = os_zalloc(sizeof(*global)); | |
11170 | if (global == NULL) | |
11171 | return NULL; | |
11172 | global->ioctl_sock = -1; | |
11173 | dl_list_init(&global->interfaces); | |
11174 | global->if_add_ifindex = -1; | |
11175 | ||
11176 | cfg = os_zalloc(sizeof(*cfg)); | |
11177 | if (cfg == NULL) | |
11178 | goto err; | |
11179 | ||
11180 | cfg->ctx = global; | |
11181 | cfg->newlink_cb = wpa_driver_nl80211_event_rtm_newlink; | |
11182 | cfg->dellink_cb = wpa_driver_nl80211_event_rtm_dellink; | |
11183 | global->netlink = netlink_init(cfg); | |
11184 | if (global->netlink == NULL) { | |
11185 | os_free(cfg); | |
11186 | goto err; | |
11187 | } | |
11188 | ||
11189 | if (wpa_driver_nl80211_init_nl_global(global) < 0) | |
11190 | goto err; | |
11191 | ||
11192 | global->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0); | |
11193 | if (global->ioctl_sock < 0) { | |
11194 | wpa_printf(MSG_ERROR, "nl80211: socket(PF_INET,SOCK_DGRAM) failed: %s", | |
11195 | strerror(errno)); | |
11196 | goto err; | |
11197 | } | |
11198 | ||
11199 | return global; | |
11200 | ||
11201 | err: | |
11202 | nl80211_global_deinit(global); | |
11203 | return NULL; | |
11204 | } | |
11205 | ||
11206 | ||
11207 | static void nl80211_global_deinit(void *priv) | |
11208 | { | |
11209 | struct nl80211_global *global = priv; | |
11210 | if (global == NULL) | |
11211 | return; | |
11212 | if (!dl_list_empty(&global->interfaces)) { | |
11213 | wpa_printf(MSG_ERROR, "nl80211: %u interface(s) remain at " | |
11214 | "nl80211_global_deinit", | |
11215 | dl_list_len(&global->interfaces)); | |
11216 | } | |
11217 | ||
11218 | if (global->netlink) | |
11219 | netlink_deinit(global->netlink); | |
11220 | ||
11221 | nl_destroy_handles(&global->nl); | |
11222 | ||
11223 | if (global->nl_event) | |
11224 | nl80211_destroy_eloop_handle(&global->nl_event); | |
11225 | ||
11226 | nl_cb_put(global->nl_cb); | |
11227 | ||
11228 | if (global->ioctl_sock >= 0) | |
11229 | close(global->ioctl_sock); | |
11230 | ||
11231 | os_free(global); | |
11232 | } | |
11233 | ||
11234 | ||
11235 | static const char * nl80211_get_radio_name(void *priv) | |
11236 | { | |
11237 | struct i802_bss *bss = priv; | |
11238 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
11239 | return drv->phyname; | |
11240 | } | |
11241 | ||
11242 | ||
11243 | static int nl80211_pmkid(struct i802_bss *bss, int cmd, const u8 *bssid, | |
11244 | const u8 *pmkid) | |
11245 | { | |
11246 | struct nl_msg *msg; | |
11247 | ||
11248 | msg = nlmsg_alloc(); | |
11249 | if (!msg) | |
11250 | return -ENOMEM; | |
11251 | ||
11252 | nl80211_cmd(bss->drv, msg, 0, cmd); | |
11253 | ||
11254 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname)); | |
11255 | if (pmkid) | |
11256 | NLA_PUT(msg, NL80211_ATTR_PMKID, 16, pmkid); | |
11257 | if (bssid) | |
11258 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid); | |
11259 | ||
11260 | return send_and_recv_msgs(bss->drv, msg, NULL, NULL); | |
11261 | nla_put_failure: | |
11262 | nlmsg_free(msg); | |
11263 | return -ENOBUFS; | |
11264 | } | |
11265 | ||
11266 | ||
11267 | static int nl80211_add_pmkid(void *priv, const u8 *bssid, const u8 *pmkid) | |
11268 | { | |
11269 | struct i802_bss *bss = priv; | |
11270 | wpa_printf(MSG_DEBUG, "nl80211: Add PMKID for " MACSTR, MAC2STR(bssid)); | |
11271 | return nl80211_pmkid(bss, NL80211_CMD_SET_PMKSA, bssid, pmkid); | |
11272 | } | |
11273 | ||
11274 | ||
11275 | static int nl80211_remove_pmkid(void *priv, const u8 *bssid, const u8 *pmkid) | |
11276 | { | |
11277 | struct i802_bss *bss = priv; | |
11278 | wpa_printf(MSG_DEBUG, "nl80211: Delete PMKID for " MACSTR, | |
11279 | MAC2STR(bssid)); | |
11280 | return nl80211_pmkid(bss, NL80211_CMD_DEL_PMKSA, bssid, pmkid); | |
11281 | } | |
11282 | ||
11283 | ||
11284 | static int nl80211_flush_pmkid(void *priv) | |
11285 | { | |
11286 | struct i802_bss *bss = priv; | |
11287 | wpa_printf(MSG_DEBUG, "nl80211: Flush PMKIDs"); | |
11288 | return nl80211_pmkid(bss, NL80211_CMD_FLUSH_PMKSA, NULL, NULL); | |
11289 | } | |
11290 | ||
11291 | ||
11292 | static void clean_survey_results(struct survey_results *survey_results) | |
11293 | { | |
11294 | struct freq_survey *survey, *tmp; | |
11295 | ||
11296 | if (dl_list_empty(&survey_results->survey_list)) | |
11297 | return; | |
11298 | ||
11299 | dl_list_for_each_safe(survey, tmp, &survey_results->survey_list, | |
11300 | struct freq_survey, list) { | |
11301 | dl_list_del(&survey->list); | |
11302 | os_free(survey); | |
11303 | } | |
11304 | } | |
11305 | ||
11306 | ||
11307 | static void add_survey(struct nlattr **sinfo, u32 ifidx, | |
11308 | struct dl_list *survey_list) | |
11309 | { | |
11310 | struct freq_survey *survey; | |
11311 | ||
11312 | survey = os_zalloc(sizeof(struct freq_survey)); | |
11313 | if (!survey) | |
11314 | return; | |
11315 | ||
11316 | survey->ifidx = ifidx; | |
11317 | survey->freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]); | |
11318 | survey->filled = 0; | |
11319 | ||
11320 | if (sinfo[NL80211_SURVEY_INFO_NOISE]) { | |
11321 | survey->nf = (int8_t) | |
11322 | nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]); | |
11323 | survey->filled |= SURVEY_HAS_NF; | |
11324 | } | |
11325 | ||
11326 | if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]) { | |
11327 | survey->channel_time = | |
11328 | nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]); | |
11329 | survey->filled |= SURVEY_HAS_CHAN_TIME; | |
11330 | } | |
11331 | ||
11332 | if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]) { | |
11333 | survey->channel_time_busy = | |
11334 | nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]); | |
11335 | survey->filled |= SURVEY_HAS_CHAN_TIME_BUSY; | |
11336 | } | |
11337 | ||
11338 | if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]) { | |
11339 | survey->channel_time_rx = | |
11340 | nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]); | |
11341 | survey->filled |= SURVEY_HAS_CHAN_TIME_RX; | |
11342 | } | |
11343 | ||
11344 | if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]) { | |
11345 | survey->channel_time_tx = | |
11346 | nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]); | |
11347 | survey->filled |= SURVEY_HAS_CHAN_TIME_TX; | |
11348 | } | |
11349 | ||
11350 | wpa_printf(MSG_DEBUG, "nl80211: Freq survey dump event (freq=%d MHz noise=%d channel_time=%ld busy_time=%ld tx_time=%ld rx_time=%ld filled=%04x)", | |
11351 | survey->freq, | |
11352 | survey->nf, | |
11353 | (unsigned long int) survey->channel_time, | |
11354 | (unsigned long int) survey->channel_time_busy, | |
11355 | (unsigned long int) survey->channel_time_tx, | |
11356 | (unsigned long int) survey->channel_time_rx, | |
11357 | survey->filled); | |
11358 | ||
11359 | dl_list_add_tail(survey_list, &survey->list); | |
11360 | } | |
11361 | ||
11362 | ||
11363 | static int check_survey_ok(struct nlattr **sinfo, u32 surveyed_freq, | |
11364 | unsigned int freq_filter) | |
11365 | { | |
11366 | if (!freq_filter) | |
11367 | return 1; | |
11368 | ||
11369 | return freq_filter == surveyed_freq; | |
11370 | } | |
11371 | ||
11372 | ||
11373 | static int survey_handler(struct nl_msg *msg, void *arg) | |
11374 | { | |
11375 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
11376 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
11377 | struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1]; | |
11378 | struct survey_results *survey_results; | |
11379 | u32 surveyed_freq = 0; | |
11380 | u32 ifidx; | |
11381 | ||
11382 | static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = { | |
11383 | [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 }, | |
11384 | [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 }, | |
11385 | }; | |
11386 | ||
11387 | survey_results = (struct survey_results *) arg; | |
11388 | ||
11389 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
11390 | genlmsg_attrlen(gnlh, 0), NULL); | |
11391 | ||
11392 | if (!tb[NL80211_ATTR_IFINDEX]) | |
11393 | return NL_SKIP; | |
11394 | ||
11395 | ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]); | |
11396 | ||
11397 | if (!tb[NL80211_ATTR_SURVEY_INFO]) | |
11398 | return NL_SKIP; | |
11399 | ||
11400 | if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX, | |
11401 | tb[NL80211_ATTR_SURVEY_INFO], | |
11402 | survey_policy)) | |
11403 | return NL_SKIP; | |
11404 | ||
11405 | if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) { | |
11406 | wpa_printf(MSG_ERROR, "nl80211: Invalid survey data"); | |
11407 | return NL_SKIP; | |
11408 | } | |
11409 | ||
11410 | surveyed_freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]); | |
11411 | ||
11412 | if (!check_survey_ok(sinfo, surveyed_freq, | |
11413 | survey_results->freq_filter)) | |
11414 | return NL_SKIP; | |
11415 | ||
11416 | if (survey_results->freq_filter && | |
11417 | survey_results->freq_filter != surveyed_freq) { | |
11418 | wpa_printf(MSG_EXCESSIVE, "nl80211: Ignoring survey data for freq %d MHz", | |
11419 | surveyed_freq); | |
11420 | return NL_SKIP; | |
11421 | } | |
11422 | ||
11423 | add_survey(sinfo, ifidx, &survey_results->survey_list); | |
11424 | ||
11425 | return NL_SKIP; | |
11426 | } | |
11427 | ||
11428 | ||
11429 | static int wpa_driver_nl80211_get_survey(void *priv, unsigned int freq) | |
11430 | { | |
11431 | struct i802_bss *bss = priv; | |
11432 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
11433 | struct nl_msg *msg; | |
11434 | int err = -ENOBUFS; | |
11435 | union wpa_event_data data; | |
11436 | struct survey_results *survey_results; | |
11437 | ||
11438 | os_memset(&data, 0, sizeof(data)); | |
11439 | survey_results = &data.survey_results; | |
11440 | ||
11441 | dl_list_init(&survey_results->survey_list); | |
11442 | ||
11443 | msg = nlmsg_alloc(); | |
11444 | if (!msg) | |
11445 | goto nla_put_failure; | |
11446 | ||
11447 | nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SURVEY); | |
11448 | ||
11449 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
11450 | ||
11451 | if (freq) | |
11452 | data.survey_results.freq_filter = freq; | |
11453 | ||
11454 | do { | |
11455 | wpa_printf(MSG_DEBUG, "nl80211: Fetch survey data"); | |
11456 | err = send_and_recv_msgs(drv, msg, survey_handler, | |
11457 | survey_results); | |
11458 | } while (err > 0); | |
11459 | ||
11460 | if (err) { | |
11461 | wpa_printf(MSG_ERROR, "nl80211: Failed to process survey data"); | |
11462 | goto out_clean; | |
11463 | } | |
11464 | ||
11465 | wpa_supplicant_event(drv->ctx, EVENT_SURVEY, &data); | |
11466 | ||
11467 | out_clean: | |
11468 | clean_survey_results(survey_results); | |
11469 | nla_put_failure: | |
11470 | return err; | |
11471 | } | |
11472 | ||
11473 | ||
11474 | static void nl80211_set_rekey_info(void *priv, const u8 *kek, const u8 *kck, | |
11475 | const u8 *replay_ctr) | |
11476 | { | |
11477 | struct i802_bss *bss = priv; | |
11478 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
11479 | struct nlattr *replay_nested; | |
11480 | struct nl_msg *msg; | |
11481 | ||
11482 | msg = nlmsg_alloc(); | |
11483 | if (!msg) | |
11484 | return; | |
11485 | ||
11486 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_REKEY_OFFLOAD); | |
11487 | ||
11488 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex); | |
11489 | ||
11490 | replay_nested = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA); | |
11491 | if (!replay_nested) | |
11492 | goto nla_put_failure; | |
11493 | ||
11494 | NLA_PUT(msg, NL80211_REKEY_DATA_KEK, NL80211_KEK_LEN, kek); | |
11495 | NLA_PUT(msg, NL80211_REKEY_DATA_KCK, NL80211_KCK_LEN, kck); | |
11496 | NLA_PUT(msg, NL80211_REKEY_DATA_REPLAY_CTR, NL80211_REPLAY_CTR_LEN, | |
11497 | replay_ctr); | |
11498 | ||
11499 | nla_nest_end(msg, replay_nested); | |
11500 | ||
11501 | send_and_recv_msgs(drv, msg, NULL, NULL); | |
11502 | return; | |
11503 | nla_put_failure: | |
11504 | nlmsg_free(msg); | |
11505 | } | |
11506 | ||
11507 | ||
11508 | static void nl80211_send_null_frame(struct i802_bss *bss, const u8 *own_addr, | |
11509 | const u8 *addr, int qos) | |
11510 | { | |
11511 | /* send data frame to poll STA and check whether | |
11512 | * this frame is ACKed */ | |
11513 | struct { | |
11514 | struct ieee80211_hdr hdr; | |
11515 | u16 qos_ctl; | |
11516 | } STRUCT_PACKED nulldata; | |
11517 | size_t size; | |
11518 | ||
11519 | /* Send data frame to poll STA and check whether this frame is ACKed */ | |
11520 | ||
11521 | os_memset(&nulldata, 0, sizeof(nulldata)); | |
11522 | ||
11523 | if (qos) { | |
11524 | nulldata.hdr.frame_control = | |
11525 | IEEE80211_FC(WLAN_FC_TYPE_DATA, | |
11526 | WLAN_FC_STYPE_QOS_NULL); | |
11527 | size = sizeof(nulldata); | |
11528 | } else { | |
11529 | nulldata.hdr.frame_control = | |
11530 | IEEE80211_FC(WLAN_FC_TYPE_DATA, | |
11531 | WLAN_FC_STYPE_NULLFUNC); | |
11532 | size = sizeof(struct ieee80211_hdr); | |
11533 | } | |
11534 | ||
11535 | nulldata.hdr.frame_control |= host_to_le16(WLAN_FC_FROMDS); | |
11536 | os_memcpy(nulldata.hdr.IEEE80211_DA_FROMDS, addr, ETH_ALEN); | |
11537 | os_memcpy(nulldata.hdr.IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN); | |
11538 | os_memcpy(nulldata.hdr.IEEE80211_SA_FROMDS, own_addr, ETH_ALEN); | |
11539 | ||
11540 | if (wpa_driver_nl80211_send_mlme(bss, (u8 *) &nulldata, size, 0, 0, 0, | |
11541 | 0, 0) < 0) | |
11542 | wpa_printf(MSG_DEBUG, "nl80211_send_null_frame: Failed to " | |
11543 | "send poll frame"); | |
11544 | } | |
11545 | ||
11546 | static void nl80211_poll_client(void *priv, const u8 *own_addr, const u8 *addr, | |
11547 | int qos) | |
11548 | { | |
11549 | struct i802_bss *bss = priv; | |
11550 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
11551 | struct nl_msg *msg; | |
11552 | ||
11553 | if (!drv->poll_command_supported) { | |
11554 | nl80211_send_null_frame(bss, own_addr, addr, qos); | |
11555 | return; | |
11556 | } | |
11557 | ||
11558 | msg = nlmsg_alloc(); | |
11559 | if (!msg) | |
11560 | return; | |
11561 | ||
11562 | nl80211_cmd(drv, msg, 0, NL80211_CMD_PROBE_CLIENT); | |
11563 | ||
11564 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex); | |
11565 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); | |
11566 | ||
11567 | send_and_recv_msgs(drv, msg, NULL, NULL); | |
11568 | return; | |
11569 | nla_put_failure: | |
11570 | nlmsg_free(msg); | |
11571 | } | |
11572 | ||
11573 | ||
11574 | static int nl80211_set_power_save(struct i802_bss *bss, int enabled) | |
11575 | { | |
11576 | struct nl_msg *msg; | |
11577 | ||
11578 | msg = nlmsg_alloc(); | |
11579 | if (!msg) | |
11580 | return -ENOMEM; | |
11581 | ||
11582 | nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_SET_POWER_SAVE); | |
11583 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex); | |
11584 | NLA_PUT_U32(msg, NL80211_ATTR_PS_STATE, | |
11585 | enabled ? NL80211_PS_ENABLED : NL80211_PS_DISABLED); | |
11586 | return send_and_recv_msgs(bss->drv, msg, NULL, NULL); | |
11587 | nla_put_failure: | |
11588 | nlmsg_free(msg); | |
11589 | return -ENOBUFS; | |
11590 | } | |
11591 | ||
11592 | ||
11593 | static int nl80211_set_p2p_powersave(void *priv, int legacy_ps, int opp_ps, | |
11594 | int ctwindow) | |
11595 | { | |
11596 | struct i802_bss *bss = priv; | |
11597 | ||
11598 | wpa_printf(MSG_DEBUG, "nl80211: set_p2p_powersave (legacy_ps=%d " | |
11599 | "opp_ps=%d ctwindow=%d)", legacy_ps, opp_ps, ctwindow); | |
11600 | ||
11601 | if (opp_ps != -1 || ctwindow != -1) { | |
11602 | #ifdef ANDROID_P2P | |
11603 | wpa_driver_set_p2p_ps(priv, legacy_ps, opp_ps, ctwindow); | |
11604 | #else /* ANDROID_P2P */ | |
11605 | return -1; /* Not yet supported */ | |
11606 | #endif /* ANDROID_P2P */ | |
11607 | } | |
11608 | ||
11609 | if (legacy_ps == -1) | |
11610 | return 0; | |
11611 | if (legacy_ps != 0 && legacy_ps != 1) | |
11612 | return -1; /* Not yet supported */ | |
11613 | ||
11614 | return nl80211_set_power_save(bss, legacy_ps); | |
11615 | } | |
11616 | ||
11617 | ||
11618 | static int nl80211_start_radar_detection(void *priv, | |
11619 | struct hostapd_freq_params *freq) | |
11620 | { | |
11621 | struct i802_bss *bss = priv; | |
11622 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
11623 | struct nl_msg *msg; | |
11624 | int ret; | |
11625 | ||
11626 | wpa_printf(MSG_DEBUG, "nl80211: Start radar detection (CAC) %d MHz (ht_enabled=%d, vht_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)", | |
11627 | freq->freq, freq->ht_enabled, freq->vht_enabled, | |
11628 | freq->bandwidth, freq->center_freq1, freq->center_freq2); | |
11629 | ||
11630 | if (!(drv->capa.flags & WPA_DRIVER_FLAGS_RADAR)) { | |
11631 | wpa_printf(MSG_DEBUG, "nl80211: Driver does not support radar " | |
11632 | "detection"); | |
11633 | return -1; | |
11634 | } | |
11635 | ||
11636 | msg = nlmsg_alloc(); | |
11637 | if (!msg) | |
11638 | return -1; | |
11639 | ||
11640 | nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_RADAR_DETECT); | |
11641 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
11642 | ||
11643 | if (nl80211_put_freq_params(msg, freq) < 0) | |
11644 | goto nla_put_failure; | |
11645 | ||
11646 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
11647 | msg = NULL; | |
11648 | if (ret == 0) | |
11649 | return 0; | |
11650 | wpa_printf(MSG_DEBUG, "nl80211: Failed to start radar detection: " | |
11651 | "%d (%s)", ret, strerror(-ret)); | |
11652 | nla_put_failure: | |
11653 | nlmsg_free(msg); | |
11654 | return -1; | |
11655 | } | |
11656 | ||
11657 | #ifdef CONFIG_TDLS | |
11658 | ||
11659 | static int nl80211_send_tdls_mgmt(void *priv, const u8 *dst, u8 action_code, | |
11660 | u8 dialog_token, u16 status_code, | |
11661 | u32 peer_capab, int initiator, const u8 *buf, | |
11662 | size_t len) | |
11663 | { | |
11664 | struct i802_bss *bss = priv; | |
11665 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
11666 | struct nl_msg *msg; | |
11667 | ||
11668 | if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) | |
11669 | return -EOPNOTSUPP; | |
11670 | ||
11671 | if (!dst) | |
11672 | return -EINVAL; | |
11673 | ||
11674 | msg = nlmsg_alloc(); | |
11675 | if (!msg) | |
11676 | return -ENOMEM; | |
11677 | ||
11678 | nl80211_cmd(drv, msg, 0, NL80211_CMD_TDLS_MGMT); | |
11679 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
11680 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, dst); | |
11681 | NLA_PUT_U8(msg, NL80211_ATTR_TDLS_ACTION, action_code); | |
11682 | NLA_PUT_U8(msg, NL80211_ATTR_TDLS_DIALOG_TOKEN, dialog_token); | |
11683 | NLA_PUT_U16(msg, NL80211_ATTR_STATUS_CODE, status_code); | |
11684 | if (peer_capab) { | |
11685 | /* | |
11686 | * The internal enum tdls_peer_capability definition is | |
11687 | * currently identical with the nl80211 enum | |
11688 | * nl80211_tdls_peer_capability, so no conversion is needed | |
11689 | * here. | |
11690 | */ | |
11691 | NLA_PUT_U32(msg, NL80211_ATTR_TDLS_PEER_CAPABILITY, peer_capab); | |
11692 | } | |
11693 | if (initiator) | |
11694 | NLA_PUT_FLAG(msg, NL80211_ATTR_TDLS_INITIATOR); | |
11695 | NLA_PUT(msg, NL80211_ATTR_IE, len, buf); | |
11696 | ||
11697 | return send_and_recv_msgs(drv, msg, NULL, NULL); | |
11698 | ||
11699 | nla_put_failure: | |
11700 | nlmsg_free(msg); | |
11701 | return -ENOBUFS; | |
11702 | } | |
11703 | ||
11704 | ||
11705 | static int nl80211_tdls_oper(void *priv, enum tdls_oper oper, const u8 *peer) | |
11706 | { | |
11707 | struct i802_bss *bss = priv; | |
11708 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
11709 | struct nl_msg *msg; | |
11710 | enum nl80211_tdls_operation nl80211_oper; | |
11711 | ||
11712 | if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) | |
11713 | return -EOPNOTSUPP; | |
11714 | ||
11715 | switch (oper) { | |
11716 | case TDLS_DISCOVERY_REQ: | |
11717 | nl80211_oper = NL80211_TDLS_DISCOVERY_REQ; | |
11718 | break; | |
11719 | case TDLS_SETUP: | |
11720 | nl80211_oper = NL80211_TDLS_SETUP; | |
11721 | break; | |
11722 | case TDLS_TEARDOWN: | |
11723 | nl80211_oper = NL80211_TDLS_TEARDOWN; | |
11724 | break; | |
11725 | case TDLS_ENABLE_LINK: | |
11726 | nl80211_oper = NL80211_TDLS_ENABLE_LINK; | |
11727 | break; | |
11728 | case TDLS_DISABLE_LINK: | |
11729 | nl80211_oper = NL80211_TDLS_DISABLE_LINK; | |
11730 | break; | |
11731 | case TDLS_ENABLE: | |
11732 | return 0; | |
11733 | case TDLS_DISABLE: | |
11734 | return 0; | |
11735 | default: | |
11736 | return -EINVAL; | |
11737 | } | |
11738 | ||
11739 | msg = nlmsg_alloc(); | |
11740 | if (!msg) | |
11741 | return -ENOMEM; | |
11742 | ||
11743 | nl80211_cmd(drv, msg, 0, NL80211_CMD_TDLS_OPER); | |
11744 | NLA_PUT_U8(msg, NL80211_ATTR_TDLS_OPERATION, nl80211_oper); | |
11745 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
11746 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, peer); | |
11747 | ||
11748 | return send_and_recv_msgs(drv, msg, NULL, NULL); | |
11749 | ||
11750 | nla_put_failure: | |
11751 | nlmsg_free(msg); | |
11752 | return -ENOBUFS; | |
11753 | } | |
11754 | ||
11755 | #endif /* CONFIG TDLS */ | |
11756 | ||
11757 | ||
11758 | #ifdef ANDROID | |
11759 | ||
11760 | typedef struct android_wifi_priv_cmd { | |
11761 | char *buf; | |
11762 | int used_len; | |
11763 | int total_len; | |
11764 | } android_wifi_priv_cmd; | |
11765 | ||
11766 | static int drv_errors = 0; | |
11767 | ||
11768 | static void wpa_driver_send_hang_msg(struct wpa_driver_nl80211_data *drv) | |
11769 | { | |
11770 | drv_errors++; | |
11771 | if (drv_errors > DRV_NUMBER_SEQUENTIAL_ERRORS) { | |
11772 | drv_errors = 0; | |
11773 | wpa_msg(drv->ctx, MSG_INFO, WPA_EVENT_DRIVER_STATE "HANGED"); | |
11774 | } | |
11775 | } | |
11776 | ||
11777 | ||
11778 | static int android_priv_cmd(struct i802_bss *bss, const char *cmd) | |
11779 | { | |
11780 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
11781 | struct ifreq ifr; | |
11782 | android_wifi_priv_cmd priv_cmd; | |
11783 | char buf[MAX_DRV_CMD_SIZE]; | |
11784 | int ret; | |
11785 | ||
11786 | os_memset(&ifr, 0, sizeof(ifr)); | |
11787 | os_memset(&priv_cmd, 0, sizeof(priv_cmd)); | |
11788 | os_strlcpy(ifr.ifr_name, bss->ifname, IFNAMSIZ); | |
11789 | ||
11790 | os_memset(buf, 0, sizeof(buf)); | |
11791 | os_strlcpy(buf, cmd, sizeof(buf)); | |
11792 | ||
11793 | priv_cmd.buf = buf; | |
11794 | priv_cmd.used_len = sizeof(buf); | |
11795 | priv_cmd.total_len = sizeof(buf); | |
11796 | ifr.ifr_data = &priv_cmd; | |
11797 | ||
11798 | ret = ioctl(drv->global->ioctl_sock, SIOCDEVPRIVATE + 1, &ifr); | |
11799 | if (ret < 0) { | |
11800 | wpa_printf(MSG_ERROR, "%s: failed to issue private commands", | |
11801 | __func__); | |
11802 | wpa_driver_send_hang_msg(drv); | |
11803 | return ret; | |
11804 | } | |
11805 | ||
11806 | drv_errors = 0; | |
11807 | return 0; | |
11808 | } | |
11809 | ||
11810 | ||
11811 | static int android_pno_start(struct i802_bss *bss, | |
11812 | struct wpa_driver_scan_params *params) | |
11813 | { | |
11814 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
11815 | struct ifreq ifr; | |
11816 | android_wifi_priv_cmd priv_cmd; | |
11817 | int ret = 0, i = 0, bp; | |
11818 | char buf[WEXT_PNO_MAX_COMMAND_SIZE]; | |
11819 | ||
11820 | bp = WEXT_PNOSETUP_HEADER_SIZE; | |
11821 | os_memcpy(buf, WEXT_PNOSETUP_HEADER, bp); | |
11822 | buf[bp++] = WEXT_PNO_TLV_PREFIX; | |
11823 | buf[bp++] = WEXT_PNO_TLV_VERSION; | |
11824 | buf[bp++] = WEXT_PNO_TLV_SUBVERSION; | |
11825 | buf[bp++] = WEXT_PNO_TLV_RESERVED; | |
11826 | ||
11827 | while (i < WEXT_PNO_AMOUNT && (size_t) i < params->num_ssids) { | |
11828 | /* Check that there is enough space needed for 1 more SSID, the | |
11829 | * other sections and null termination */ | |
11830 | if ((bp + WEXT_PNO_SSID_HEADER_SIZE + MAX_SSID_LEN + | |
11831 | WEXT_PNO_NONSSID_SECTIONS_SIZE + 1) >= (int) sizeof(buf)) | |
11832 | break; | |
11833 | wpa_hexdump_ascii(MSG_DEBUG, "For PNO Scan", | |
11834 | params->ssids[i].ssid, | |
11835 | params->ssids[i].ssid_len); | |
11836 | buf[bp++] = WEXT_PNO_SSID_SECTION; | |
11837 | buf[bp++] = params->ssids[i].ssid_len; | |
11838 | os_memcpy(&buf[bp], params->ssids[i].ssid, | |
11839 | params->ssids[i].ssid_len); | |
11840 | bp += params->ssids[i].ssid_len; | |
11841 | i++; | |
11842 | } | |
11843 | ||
11844 | buf[bp++] = WEXT_PNO_SCAN_INTERVAL_SECTION; | |
11845 | os_snprintf(&buf[bp], WEXT_PNO_SCAN_INTERVAL_LENGTH + 1, "%x", | |
11846 | WEXT_PNO_SCAN_INTERVAL); | |
11847 | bp += WEXT_PNO_SCAN_INTERVAL_LENGTH; | |
11848 | ||
11849 | buf[bp++] = WEXT_PNO_REPEAT_SECTION; | |
11850 | os_snprintf(&buf[bp], WEXT_PNO_REPEAT_LENGTH + 1, "%x", | |
11851 | WEXT_PNO_REPEAT); | |
11852 | bp += WEXT_PNO_REPEAT_LENGTH; | |
11853 | ||
11854 | buf[bp++] = WEXT_PNO_MAX_REPEAT_SECTION; | |
11855 | os_snprintf(&buf[bp], WEXT_PNO_MAX_REPEAT_LENGTH + 1, "%x", | |
11856 | WEXT_PNO_MAX_REPEAT); | |
11857 | bp += WEXT_PNO_MAX_REPEAT_LENGTH + 1; | |
11858 | ||
11859 | memset(&ifr, 0, sizeof(ifr)); | |
11860 | memset(&priv_cmd, 0, sizeof(priv_cmd)); | |
11861 | os_strlcpy(ifr.ifr_name, bss->ifname, IFNAMSIZ); | |
11862 | ||
11863 | priv_cmd.buf = buf; | |
11864 | priv_cmd.used_len = bp; | |
11865 | priv_cmd.total_len = bp; | |
11866 | ifr.ifr_data = &priv_cmd; | |
11867 | ||
11868 | ret = ioctl(drv->global->ioctl_sock, SIOCDEVPRIVATE + 1, &ifr); | |
11869 | ||
11870 | if (ret < 0) { | |
11871 | wpa_printf(MSG_ERROR, "ioctl[SIOCSIWPRIV] (pnosetup): %d", | |
11872 | ret); | |
11873 | wpa_driver_send_hang_msg(drv); | |
11874 | return ret; | |
11875 | } | |
11876 | ||
11877 | drv_errors = 0; | |
11878 | ||
11879 | return android_priv_cmd(bss, "PNOFORCE 1"); | |
11880 | } | |
11881 | ||
11882 | ||
11883 | static int android_pno_stop(struct i802_bss *bss) | |
11884 | { | |
11885 | return android_priv_cmd(bss, "PNOFORCE 0"); | |
11886 | } | |
11887 | ||
11888 | #endif /* ANDROID */ | |
11889 | ||
11890 | ||
11891 | static int driver_nl80211_set_key(const char *ifname, void *priv, | |
11892 | enum wpa_alg alg, const u8 *addr, | |
11893 | int key_idx, int set_tx, | |
11894 | const u8 *seq, size_t seq_len, | |
11895 | const u8 *key, size_t key_len) | |
11896 | { | |
11897 | struct i802_bss *bss = priv; | |
11898 | return wpa_driver_nl80211_set_key(ifname, bss, alg, addr, key_idx, | |
11899 | set_tx, seq, seq_len, key, key_len); | |
11900 | } | |
11901 | ||
11902 | ||
11903 | static int driver_nl80211_scan2(void *priv, | |
11904 | struct wpa_driver_scan_params *params) | |
11905 | { | |
11906 | struct i802_bss *bss = priv; | |
11907 | return wpa_driver_nl80211_scan(bss, params); | |
11908 | } | |
11909 | ||
11910 | ||
11911 | static int driver_nl80211_deauthenticate(void *priv, const u8 *addr, | |
11912 | int reason_code) | |
11913 | { | |
11914 | struct i802_bss *bss = priv; | |
11915 | return wpa_driver_nl80211_deauthenticate(bss, addr, reason_code); | |
11916 | } | |
11917 | ||
11918 | ||
11919 | static int driver_nl80211_authenticate(void *priv, | |
11920 | struct wpa_driver_auth_params *params) | |
11921 | { | |
11922 | struct i802_bss *bss = priv; | |
11923 | return wpa_driver_nl80211_authenticate(bss, params); | |
11924 | } | |
11925 | ||
11926 | ||
11927 | static void driver_nl80211_deinit(void *priv) | |
11928 | { | |
11929 | struct i802_bss *bss = priv; | |
11930 | wpa_driver_nl80211_deinit(bss); | |
11931 | } | |
11932 | ||
11933 | ||
11934 | static int driver_nl80211_if_remove(void *priv, enum wpa_driver_if_type type, | |
11935 | const char *ifname) | |
11936 | { | |
11937 | struct i802_bss *bss = priv; | |
11938 | return wpa_driver_nl80211_if_remove(bss, type, ifname); | |
11939 | } | |
11940 | ||
11941 | ||
11942 | static int driver_nl80211_send_mlme(void *priv, const u8 *data, | |
11943 | size_t data_len, int noack) | |
11944 | { | |
11945 | struct i802_bss *bss = priv; | |
11946 | return wpa_driver_nl80211_send_mlme(bss, data, data_len, noack, | |
11947 | 0, 0, 0, 0); | |
11948 | } | |
11949 | ||
11950 | ||
11951 | static int driver_nl80211_sta_remove(void *priv, const u8 *addr) | |
11952 | { | |
11953 | struct i802_bss *bss = priv; | |
11954 | return wpa_driver_nl80211_sta_remove(bss, addr, -1, 0); | |
11955 | } | |
11956 | ||
11957 | ||
11958 | static int driver_nl80211_set_sta_vlan(void *priv, const u8 *addr, | |
11959 | const char *ifname, int vlan_id) | |
11960 | { | |
11961 | struct i802_bss *bss = priv; | |
11962 | return i802_set_sta_vlan(bss, addr, ifname, vlan_id); | |
11963 | } | |
11964 | ||
11965 | ||
11966 | static int driver_nl80211_read_sta_data(void *priv, | |
11967 | struct hostap_sta_driver_data *data, | |
11968 | const u8 *addr) | |
11969 | { | |
11970 | struct i802_bss *bss = priv; | |
11971 | return i802_read_sta_data(bss, data, addr); | |
11972 | } | |
11973 | ||
11974 | ||
11975 | static int driver_nl80211_send_action(void *priv, unsigned int freq, | |
11976 | unsigned int wait_time, | |
11977 | const u8 *dst, const u8 *src, | |
11978 | const u8 *bssid, | |
11979 | const u8 *data, size_t data_len, | |
11980 | int no_cck) | |
11981 | { | |
11982 | struct i802_bss *bss = priv; | |
11983 | return wpa_driver_nl80211_send_action(bss, freq, wait_time, dst, src, | |
11984 | bssid, data, data_len, no_cck); | |
11985 | } | |
11986 | ||
11987 | ||
11988 | static int driver_nl80211_probe_req_report(void *priv, int report) | |
11989 | { | |
11990 | struct i802_bss *bss = priv; | |
11991 | return wpa_driver_nl80211_probe_req_report(bss, report); | |
11992 | } | |
11993 | ||
11994 | ||
11995 | static int wpa_driver_nl80211_update_ft_ies(void *priv, const u8 *md, | |
11996 | const u8 *ies, size_t ies_len) | |
11997 | { | |
11998 | int ret; | |
11999 | struct nl_msg *msg; | |
12000 | struct i802_bss *bss = priv; | |
12001 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
12002 | u16 mdid = WPA_GET_LE16(md); | |
12003 | ||
12004 | msg = nlmsg_alloc(); | |
12005 | if (!msg) | |
12006 | return -ENOMEM; | |
12007 | ||
12008 | wpa_printf(MSG_DEBUG, "nl80211: Updating FT IEs"); | |
12009 | nl80211_cmd(drv, msg, 0, NL80211_CMD_UPDATE_FT_IES); | |
12010 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
12011 | NLA_PUT(msg, NL80211_ATTR_IE, ies_len, ies); | |
12012 | NLA_PUT_U16(msg, NL80211_ATTR_MDID, mdid); | |
12013 | ||
12014 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
12015 | if (ret) { | |
12016 | wpa_printf(MSG_DEBUG, "nl80211: update_ft_ies failed " | |
12017 | "err=%d (%s)", ret, strerror(-ret)); | |
12018 | } | |
12019 | ||
12020 | return ret; | |
12021 | ||
12022 | nla_put_failure: | |
12023 | nlmsg_free(msg); | |
12024 | return -ENOBUFS; | |
12025 | } | |
12026 | ||
12027 | ||
12028 | const u8 * wpa_driver_nl80211_get_macaddr(void *priv) | |
12029 | { | |
12030 | struct i802_bss *bss = priv; | |
12031 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
12032 | ||
12033 | if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE) | |
12034 | return NULL; | |
12035 | ||
12036 | return bss->addr; | |
12037 | } | |
12038 | ||
12039 | ||
12040 | static const char * scan_state_str(enum scan_states scan_state) | |
12041 | { | |
12042 | switch (scan_state) { | |
12043 | case NO_SCAN: | |
12044 | return "NO_SCAN"; | |
12045 | case SCAN_REQUESTED: | |
12046 | return "SCAN_REQUESTED"; | |
12047 | case SCAN_STARTED: | |
12048 | return "SCAN_STARTED"; | |
12049 | case SCAN_COMPLETED: | |
12050 | return "SCAN_COMPLETED"; | |
12051 | case SCAN_ABORTED: | |
12052 | return "SCAN_ABORTED"; | |
12053 | case SCHED_SCAN_STARTED: | |
12054 | return "SCHED_SCAN_STARTED"; | |
12055 | case SCHED_SCAN_STOPPED: | |
12056 | return "SCHED_SCAN_STOPPED"; | |
12057 | case SCHED_SCAN_RESULTS: | |
12058 | return "SCHED_SCAN_RESULTS"; | |
12059 | } | |
12060 | ||
12061 | return "??"; | |
12062 | } | |
12063 | ||
12064 | ||
12065 | static int wpa_driver_nl80211_status(void *priv, char *buf, size_t buflen) | |
12066 | { | |
12067 | struct i802_bss *bss = priv; | |
12068 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
12069 | int res; | |
12070 | char *pos, *end; | |
12071 | ||
12072 | pos = buf; | |
12073 | end = buf + buflen; | |
12074 | ||
12075 | res = os_snprintf(pos, end - pos, | |
12076 | "ifindex=%d\n" | |
12077 | "ifname=%s\n" | |
12078 | "brname=%s\n" | |
12079 | "addr=" MACSTR "\n" | |
12080 | "freq=%d\n" | |
12081 | "%s%s%s%s%s", | |
12082 | bss->ifindex, | |
12083 | bss->ifname, | |
12084 | bss->brname, | |
12085 | MAC2STR(bss->addr), | |
12086 | bss->freq, | |
12087 | bss->beacon_set ? "beacon_set=1\n" : "", | |
12088 | bss->added_if_into_bridge ? | |
12089 | "added_if_into_bridge=1\n" : "", | |
12090 | bss->added_bridge ? "added_bridge=1\n" : "", | |
12091 | bss->in_deinit ? "in_deinit=1\n" : "", | |
12092 | bss->if_dynamic ? "if_dynamic=1\n" : ""); | |
12093 | if (res < 0 || res >= end - pos) | |
12094 | return pos - buf; | |
12095 | pos += res; | |
12096 | ||
12097 | if (bss->wdev_id_set) { | |
12098 | res = os_snprintf(pos, end - pos, "wdev_id=%llu\n", | |
12099 | (unsigned long long) bss->wdev_id); | |
12100 | if (res < 0 || res >= end - pos) | |
12101 | return pos - buf; | |
12102 | pos += res; | |
12103 | } | |
12104 | ||
12105 | res = os_snprintf(pos, end - pos, | |
12106 | "phyname=%s\n" | |
12107 | "perm_addr=" MACSTR "\n" | |
12108 | "drv_ifindex=%d\n" | |
12109 | "operstate=%d\n" | |
12110 | "scan_state=%s\n" | |
12111 | "auth_bssid=" MACSTR "\n" | |
12112 | "auth_attempt_bssid=" MACSTR "\n" | |
12113 | "bssid=" MACSTR "\n" | |
12114 | "prev_bssid=" MACSTR "\n" | |
12115 | "associated=%d\n" | |
12116 | "assoc_freq=%u\n" | |
12117 | "monitor_sock=%d\n" | |
12118 | "monitor_ifidx=%d\n" | |
12119 | "monitor_refcount=%d\n" | |
12120 | "last_mgmt_freq=%u\n" | |
12121 | "eapol_tx_sock=%d\n" | |
12122 | "%s%s%s%s%s%s%s%s%s%s%s%s%s%s", | |
12123 | drv->phyname, | |
12124 | MAC2STR(drv->perm_addr), | |
12125 | drv->ifindex, | |
12126 | drv->operstate, | |
12127 | scan_state_str(drv->scan_state), | |
12128 | MAC2STR(drv->auth_bssid), | |
12129 | MAC2STR(drv->auth_attempt_bssid), | |
12130 | MAC2STR(drv->bssid), | |
12131 | MAC2STR(drv->prev_bssid), | |
12132 | drv->associated, | |
12133 | drv->assoc_freq, | |
12134 | drv->monitor_sock, | |
12135 | drv->monitor_ifidx, | |
12136 | drv->monitor_refcount, | |
12137 | drv->last_mgmt_freq, | |
12138 | drv->eapol_tx_sock, | |
12139 | drv->ignore_if_down_event ? | |
12140 | "ignore_if_down_event=1\n" : "", | |
12141 | drv->scan_complete_events ? | |
12142 | "scan_complete_events=1\n" : "", | |
12143 | drv->disabled_11b_rates ? | |
12144 | "disabled_11b_rates=1\n" : "", | |
12145 | drv->pending_remain_on_chan ? | |
12146 | "pending_remain_on_chan=1\n" : "", | |
12147 | drv->in_interface_list ? "in_interface_list=1\n" : "", | |
12148 | drv->device_ap_sme ? "device_ap_sme=1\n" : "", | |
12149 | drv->poll_command_supported ? | |
12150 | "poll_command_supported=1\n" : "", | |
12151 | drv->data_tx_status ? "data_tx_status=1\n" : "", | |
12152 | drv->scan_for_auth ? "scan_for_auth=1\n" : "", | |
12153 | drv->retry_auth ? "retry_auth=1\n" : "", | |
12154 | drv->use_monitor ? "use_monitor=1\n" : "", | |
12155 | drv->ignore_next_local_disconnect ? | |
12156 | "ignore_next_local_disconnect=1\n" : "", | |
12157 | drv->ignore_next_local_deauth ? | |
12158 | "ignore_next_local_deauth=1\n" : "", | |
12159 | drv->allow_p2p_device ? "allow_p2p_device=1\n" : ""); | |
12160 | if (res < 0 || res >= end - pos) | |
12161 | return pos - buf; | |
12162 | pos += res; | |
12163 | ||
12164 | if (drv->has_capability) { | |
12165 | res = os_snprintf(pos, end - pos, | |
12166 | "capa.key_mgmt=0x%x\n" | |
12167 | "capa.enc=0x%x\n" | |
12168 | "capa.auth=0x%x\n" | |
12169 | "capa.flags=0x%llx\n" | |
12170 | "capa.max_scan_ssids=%d\n" | |
12171 | "capa.max_sched_scan_ssids=%d\n" | |
12172 | "capa.sched_scan_supported=%d\n" | |
12173 | "capa.max_match_sets=%d\n" | |
12174 | "capa.max_remain_on_chan=%u\n" | |
12175 | "capa.max_stations=%u\n" | |
12176 | "capa.probe_resp_offloads=0x%x\n" | |
12177 | "capa.max_acl_mac_addrs=%u\n" | |
12178 | "capa.num_multichan_concurrent=%u\n", | |
12179 | drv->capa.key_mgmt, | |
12180 | drv->capa.enc, | |
12181 | drv->capa.auth, | |
12182 | (unsigned long long) drv->capa.flags, | |
12183 | drv->capa.max_scan_ssids, | |
12184 | drv->capa.max_sched_scan_ssids, | |
12185 | drv->capa.sched_scan_supported, | |
12186 | drv->capa.max_match_sets, | |
12187 | drv->capa.max_remain_on_chan, | |
12188 | drv->capa.max_stations, | |
12189 | drv->capa.probe_resp_offloads, | |
12190 | drv->capa.max_acl_mac_addrs, | |
12191 | drv->capa.num_multichan_concurrent); | |
12192 | if (res < 0 || res >= end - pos) | |
12193 | return pos - buf; | |
12194 | pos += res; | |
12195 | } | |
12196 | ||
12197 | return pos - buf; | |
12198 | } | |
12199 | ||
12200 | ||
12201 | static int set_beacon_data(struct nl_msg *msg, struct beacon_data *settings) | |
12202 | { | |
12203 | if (settings->head) | |
12204 | NLA_PUT(msg, NL80211_ATTR_BEACON_HEAD, | |
12205 | settings->head_len, settings->head); | |
12206 | ||
12207 | if (settings->tail) | |
12208 | NLA_PUT(msg, NL80211_ATTR_BEACON_TAIL, | |
12209 | settings->tail_len, settings->tail); | |
12210 | ||
12211 | if (settings->beacon_ies) | |
12212 | NLA_PUT(msg, NL80211_ATTR_IE, | |
12213 | settings->beacon_ies_len, settings->beacon_ies); | |
12214 | ||
12215 | if (settings->proberesp_ies) | |
12216 | NLA_PUT(msg, NL80211_ATTR_IE_PROBE_RESP, | |
12217 | settings->proberesp_ies_len, settings->proberesp_ies); | |
12218 | ||
12219 | if (settings->assocresp_ies) | |
12220 | NLA_PUT(msg, | |
12221 | NL80211_ATTR_IE_ASSOC_RESP, | |
12222 | settings->assocresp_ies_len, settings->assocresp_ies); | |
12223 | ||
12224 | if (settings->probe_resp) | |
12225 | NLA_PUT(msg, NL80211_ATTR_PROBE_RESP, | |
12226 | settings->probe_resp_len, settings->probe_resp); | |
12227 | ||
12228 | return 0; | |
12229 | ||
12230 | nla_put_failure: | |
12231 | return -ENOBUFS; | |
12232 | } | |
12233 | ||
12234 | ||
12235 | static int nl80211_switch_channel(void *priv, struct csa_settings *settings) | |
12236 | { | |
12237 | struct nl_msg *msg; | |
12238 | struct i802_bss *bss = priv; | |
12239 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
12240 | struct nlattr *beacon_csa; | |
12241 | int ret = -ENOBUFS; | |
12242 | ||
12243 | wpa_printf(MSG_DEBUG, "nl80211: Channel switch request (cs_count=%u block_tx=%u freq=%d width=%d cf1=%d cf2=%d)", | |
12244 | settings->cs_count, settings->block_tx, | |
12245 | settings->freq_params.freq, settings->freq_params.bandwidth, | |
12246 | settings->freq_params.center_freq1, | |
12247 | settings->freq_params.center_freq2); | |
12248 | ||
12249 | if (!(drv->capa.flags & WPA_DRIVER_FLAGS_AP_CSA)) { | |
12250 | wpa_printf(MSG_DEBUG, "nl80211: Driver does not support channel switch command"); | |
12251 | return -EOPNOTSUPP; | |
12252 | } | |
12253 | ||
12254 | if ((drv->nlmode != NL80211_IFTYPE_AP) && | |
12255 | (drv->nlmode != NL80211_IFTYPE_P2P_GO)) | |
12256 | return -EOPNOTSUPP; | |
12257 | ||
12258 | /* check settings validity */ | |
12259 | if (!settings->beacon_csa.tail || | |
12260 | ((settings->beacon_csa.tail_len <= | |
12261 | settings->counter_offset_beacon) || | |
12262 | (settings->beacon_csa.tail[settings->counter_offset_beacon] != | |
12263 | settings->cs_count))) | |
12264 | return -EINVAL; | |
12265 | ||
12266 | if (settings->beacon_csa.probe_resp && | |
12267 | ((settings->beacon_csa.probe_resp_len <= | |
12268 | settings->counter_offset_presp) || | |
12269 | (settings->beacon_csa.probe_resp[settings->counter_offset_presp] != | |
12270 | settings->cs_count))) | |
12271 | return -EINVAL; | |
12272 | ||
12273 | msg = nlmsg_alloc(); | |
12274 | if (!msg) | |
12275 | return -ENOMEM; | |
12276 | ||
12277 | nl80211_cmd(drv, msg, 0, NL80211_CMD_CHANNEL_SWITCH); | |
12278 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex); | |
12279 | NLA_PUT_U32(msg, NL80211_ATTR_CH_SWITCH_COUNT, settings->cs_count); | |
12280 | ret = nl80211_put_freq_params(msg, &settings->freq_params); | |
12281 | if (ret) | |
12282 | goto error; | |
12283 | ||
12284 | if (settings->block_tx) | |
12285 | NLA_PUT_FLAG(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX); | |
12286 | ||
12287 | /* beacon_after params */ | |
12288 | ret = set_beacon_data(msg, &settings->beacon_after); | |
12289 | if (ret) | |
12290 | goto error; | |
12291 | ||
12292 | /* beacon_csa params */ | |
12293 | beacon_csa = nla_nest_start(msg, NL80211_ATTR_CSA_IES); | |
12294 | if (!beacon_csa) | |
12295 | goto nla_put_failure; | |
12296 | ||
12297 | ret = set_beacon_data(msg, &settings->beacon_csa); | |
12298 | if (ret) | |
12299 | goto error; | |
12300 | ||
12301 | NLA_PUT_U16(msg, NL80211_ATTR_CSA_C_OFF_BEACON, | |
12302 | settings->counter_offset_beacon); | |
12303 | ||
12304 | if (settings->beacon_csa.probe_resp) | |
12305 | NLA_PUT_U16(msg, NL80211_ATTR_CSA_C_OFF_PRESP, | |
12306 | settings->counter_offset_presp); | |
12307 | ||
12308 | nla_nest_end(msg, beacon_csa); | |
12309 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
12310 | if (ret) { | |
12311 | wpa_printf(MSG_DEBUG, "nl80211: switch_channel failed err=%d (%s)", | |
12312 | ret, strerror(-ret)); | |
12313 | } | |
12314 | return ret; | |
12315 | ||
12316 | nla_put_failure: | |
12317 | ret = -ENOBUFS; | |
12318 | error: | |
12319 | nlmsg_free(msg); | |
12320 | wpa_printf(MSG_DEBUG, "nl80211: Could not build channel switch request"); | |
12321 | return ret; | |
12322 | } | |
12323 | ||
12324 | ||
12325 | #ifdef CONFIG_TESTING_OPTIONS | |
12326 | static int cmd_reply_handler(struct nl_msg *msg, void *arg) | |
12327 | { | |
12328 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
12329 | struct wpabuf *buf = arg; | |
12330 | ||
12331 | if (!buf) | |
12332 | return NL_SKIP; | |
12333 | ||
12334 | if ((size_t) genlmsg_attrlen(gnlh, 0) > wpabuf_tailroom(buf)) { | |
12335 | wpa_printf(MSG_INFO, "nl80211: insufficient buffer space for reply"); | |
12336 | return NL_SKIP; | |
12337 | } | |
12338 | ||
12339 | wpabuf_put_data(buf, genlmsg_attrdata(gnlh, 0), | |
12340 | genlmsg_attrlen(gnlh, 0)); | |
12341 | ||
12342 | return NL_SKIP; | |
12343 | } | |
12344 | #endif /* CONFIG_TESTING_OPTIONS */ | |
12345 | ||
12346 | ||
12347 | static int vendor_reply_handler(struct nl_msg *msg, void *arg) | |
12348 | { | |
12349 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
12350 | struct nlattr *nl_vendor_reply, *nl; | |
12351 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
12352 | struct wpabuf *buf = arg; | |
12353 | int rem; | |
12354 | ||
12355 | if (!buf) | |
12356 | return NL_SKIP; | |
12357 | ||
12358 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
12359 | genlmsg_attrlen(gnlh, 0), NULL); | |
12360 | nl_vendor_reply = tb[NL80211_ATTR_VENDOR_DATA]; | |
12361 | ||
12362 | if (!nl_vendor_reply) | |
12363 | return NL_SKIP; | |
12364 | ||
12365 | if ((size_t) nla_len(nl_vendor_reply) > wpabuf_tailroom(buf)) { | |
12366 | wpa_printf(MSG_INFO, "nl80211: Vendor command: insufficient buffer space for reply"); | |
12367 | return NL_SKIP; | |
12368 | } | |
12369 | ||
12370 | nla_for_each_nested(nl, nl_vendor_reply, rem) { | |
12371 | wpabuf_put_data(buf, nla_data(nl), nla_len(nl)); | |
12372 | } | |
12373 | ||
12374 | return NL_SKIP; | |
12375 | } | |
12376 | ||
12377 | ||
12378 | static int nl80211_vendor_cmd(void *priv, unsigned int vendor_id, | |
12379 | unsigned int subcmd, const u8 *data, | |
12380 | size_t data_len, struct wpabuf *buf) | |
12381 | { | |
12382 | struct i802_bss *bss = priv; | |
12383 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
12384 | struct nl_msg *msg; | |
12385 | int ret; | |
12386 | ||
12387 | msg = nlmsg_alloc(); | |
12388 | if (!msg) | |
12389 | return -ENOMEM; | |
12390 | ||
12391 | #ifdef CONFIG_TESTING_OPTIONS | |
12392 | if (vendor_id == 0xffffffff) { | |
12393 | nl80211_cmd(drv, msg, 0, subcmd); | |
12394 | if (nlmsg_append(msg, (void *) data, data_len, NLMSG_ALIGNTO) < | |
12395 | 0) | |
12396 | goto nla_put_failure; | |
12397 | ret = send_and_recv_msgs(drv, msg, cmd_reply_handler, buf); | |
12398 | if (ret) | |
12399 | wpa_printf(MSG_DEBUG, "nl80211: command failed err=%d", | |
12400 | ret); | |
12401 | return ret; | |
12402 | } | |
12403 | #endif /* CONFIG_TESTING_OPTIONS */ | |
12404 | ||
12405 | nl80211_cmd(drv, msg, 0, NL80211_CMD_VENDOR); | |
12406 | if (nl80211_set_iface_id(msg, bss) < 0) | |
12407 | goto nla_put_failure; | |
12408 | NLA_PUT_U32(msg, NL80211_ATTR_VENDOR_ID, vendor_id); | |
12409 | NLA_PUT_U32(msg, NL80211_ATTR_VENDOR_SUBCMD, subcmd); | |
12410 | if (data) | |
12411 | NLA_PUT(msg, NL80211_ATTR_VENDOR_DATA, data_len, data); | |
12412 | ||
12413 | ret = send_and_recv_msgs(drv, msg, vendor_reply_handler, buf); | |
12414 | if (ret) | |
12415 | wpa_printf(MSG_DEBUG, "nl80211: vendor command failed err=%d", | |
12416 | ret); | |
12417 | return ret; | |
12418 | ||
12419 | nla_put_failure: | |
12420 | nlmsg_free(msg); | |
12421 | return -ENOBUFS; | |
12422 | } | |
12423 | ||
12424 | ||
12425 | static int nl80211_set_qos_map(void *priv, const u8 *qos_map_set, | |
12426 | u8 qos_map_set_len) | |
12427 | { | |
12428 | struct i802_bss *bss = priv; | |
12429 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
12430 | struct nl_msg *msg; | |
12431 | int ret; | |
12432 | ||
12433 | msg = nlmsg_alloc(); | |
12434 | if (!msg) | |
12435 | return -ENOMEM; | |
12436 | ||
12437 | wpa_hexdump(MSG_DEBUG, "nl80211: Setting QoS Map", | |
12438 | qos_map_set, qos_map_set_len); | |
12439 | ||
12440 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_QOS_MAP); | |
12441 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
12442 | NLA_PUT(msg, NL80211_ATTR_QOS_MAP, qos_map_set_len, qos_map_set); | |
12443 | ||
12444 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
12445 | if (ret) | |
12446 | wpa_printf(MSG_DEBUG, "nl80211: Setting QoS Map failed"); | |
12447 | ||
12448 | return ret; | |
12449 | ||
12450 | nla_put_failure: | |
12451 | nlmsg_free(msg); | |
12452 | return -ENOBUFS; | |
12453 | } | |
12454 | ||
12455 | ||
12456 | static int nl80211_set_wowlan(void *priv, | |
12457 | const struct wowlan_triggers *triggers) | |
12458 | { | |
12459 | struct i802_bss *bss = priv; | |
12460 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
12461 | struct nl_msg *msg; | |
12462 | struct nlattr *wowlan_triggers; | |
12463 | int ret; | |
12464 | ||
12465 | msg = nlmsg_alloc(); | |
12466 | if (!msg) | |
12467 | return -ENOMEM; | |
12468 | ||
12469 | wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan"); | |
12470 | ||
12471 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WOWLAN); | |
12472 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
12473 | ||
12474 | wowlan_triggers = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
12475 | if (!wowlan_triggers) | |
12476 | goto nla_put_failure; | |
12477 | ||
12478 | if (triggers->any) | |
12479 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_ANY); | |
12480 | if (triggers->disconnect) | |
12481 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_DISCONNECT); | |
12482 | if (triggers->magic_pkt) | |
12483 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT); | |
12484 | if (triggers->gtk_rekey_failure) | |
12485 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE); | |
12486 | if (triggers->eap_identity_req) | |
12487 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST); | |
12488 | if (triggers->four_way_handshake) | |
12489 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE); | |
12490 | if (triggers->rfkill_release) | |
12491 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE); | |
12492 | ||
12493 | nla_nest_end(msg, wowlan_triggers); | |
12494 | ||
12495 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
12496 | if (ret) | |
12497 | wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan failed"); | |
12498 | ||
12499 | return ret; | |
12500 | ||
12501 | nla_put_failure: | |
12502 | nlmsg_free(msg); | |
12503 | return -ENOBUFS; | |
12504 | } | |
12505 | ||
12506 | ||
12507 | static int nl80211_roaming(void *priv, int allowed, const u8 *bssid) | |
12508 | { | |
12509 | struct i802_bss *bss = priv; | |
12510 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
12511 | struct nl_msg *msg; | |
12512 | struct nlattr *params; | |
12513 | ||
12514 | wpa_printf(MSG_DEBUG, "nl80211: Roaming policy: allowed=%d", allowed); | |
12515 | ||
12516 | if (!drv->roaming_vendor_cmd_avail) { | |
12517 | wpa_printf(MSG_DEBUG, | |
12518 | "nl80211: Ignore roaming policy change since driver does not provide command for setting it"); | |
12519 | return -1; | |
12520 | } | |
12521 | ||
12522 | msg = nlmsg_alloc(); | |
12523 | if (!msg) | |
12524 | return -ENOMEM; | |
12525 | ||
12526 | nl80211_cmd(drv, msg, 0, NL80211_CMD_VENDOR); | |
12527 | ||
12528 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
12529 | NLA_PUT_U32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA); | |
12530 | NLA_PUT_U32(msg, NL80211_ATTR_VENDOR_SUBCMD, | |
12531 | QCA_NL80211_VENDOR_SUBCMD_ROAMING); | |
12532 | ||
12533 | params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA); | |
12534 | if (!params) | |
12535 | goto nla_put_failure; | |
12536 | NLA_PUT_U32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_POLICY, | |
12537 | allowed ? QCA_ROAMING_ALLOWED_WITHIN_ESS : | |
12538 | QCA_ROAMING_NOT_ALLOWED); | |
12539 | if (bssid) | |
12540 | NLA_PUT(msg, QCA_WLAN_VENDOR_ATTR_MAC_ADDR, ETH_ALEN, bssid); | |
12541 | nla_nest_end(msg, params); | |
12542 | ||
12543 | return send_and_recv_msgs(drv, msg, NULL, NULL); | |
12544 | ||
12545 | nla_put_failure: | |
12546 | nlmsg_free(msg); | |
12547 | return -1; | |
12548 | } | |
12549 | ||
12550 | ||
12551 | static int nl80211_set_mac_addr(void *priv, const u8 *addr) | |
12552 | { | |
12553 | struct i802_bss *bss = priv; | |
12554 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
12555 | int new_addr = addr != NULL; | |
12556 | ||
12557 | if (!addr) | |
12558 | addr = drv->perm_addr; | |
12559 | ||
12560 | if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) < 0) | |
12561 | return -1; | |
12562 | ||
12563 | if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname, addr) < 0) | |
12564 | { | |
12565 | wpa_printf(MSG_DEBUG, | |
12566 | "nl80211: failed to set_mac_addr for %s to " MACSTR, | |
12567 | bss->ifname, MAC2STR(addr)); | |
12568 | if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, | |
12569 | 1) < 0) { | |
12570 | wpa_printf(MSG_DEBUG, | |
12571 | "nl80211: Could not restore interface UP after failed set_mac_addr"); | |
12572 | } | |
12573 | return -1; | |
12574 | } | |
12575 | ||
12576 | wpa_printf(MSG_DEBUG, "nl80211: set_mac_addr for %s to " MACSTR, | |
12577 | bss->ifname, MAC2STR(addr)); | |
12578 | drv->addr_changed = new_addr; | |
12579 | os_memcpy(bss->addr, addr, ETH_ALEN); | |
12580 | ||
12581 | if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1) < 0) | |
12582 | { | |
12583 | wpa_printf(MSG_DEBUG, | |
12584 | "nl80211: Could not restore interface UP after set_mac_addr"); | |
12585 | } | |
12586 | ||
12587 | return 0; | |
12588 | } | |
12589 | ||
12590 | ||
12591 | #ifdef CONFIG_MESH | |
12592 | ||
12593 | static int wpa_driver_nl80211_init_mesh(void *priv) | |
12594 | { | |
12595 | if (wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_MESH_POINT)) { | |
12596 | wpa_printf(MSG_INFO, | |
12597 | "nl80211: Failed to set interface into mesh mode"); | |
12598 | return -1; | |
12599 | } | |
12600 | return 0; | |
12601 | } | |
12602 | ||
12603 | ||
12604 | static int | |
12605 | wpa_driver_nl80211_join_mesh(void *priv, | |
12606 | struct wpa_driver_mesh_join_params *params) | |
12607 | { | |
12608 | struct i802_bss *bss = priv; | |
12609 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
12610 | struct nl_msg *msg; | |
12611 | struct nlattr *container; | |
12612 | int ret = 0; | |
12613 | ||
12614 | msg = nlmsg_alloc(); | |
12615 | if (!msg) | |
12616 | return -1; | |
12617 | ||
12618 | wpa_printf(MSG_DEBUG, "nl80211: mesh join (ifindex=%d)", drv->ifindex); | |
12619 | nl80211_cmd(drv, msg, 0, NL80211_CMD_JOIN_MESH); | |
12620 | ||
12621 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
12622 | /* XXX: need chtype too in case we want HT */ | |
12623 | if (params->freq) { | |
12624 | wpa_printf(MSG_DEBUG, " * freq=%d", params->freq); | |
12625 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq); | |
12626 | } | |
12627 | ||
12628 | if (params->basic_rates) { | |
12629 | u8 rates[NL80211_MAX_SUPP_RATES]; | |
12630 | u8 rates_len = 0; | |
12631 | int i; | |
12632 | ||
12633 | for (i = 0; i < NL80211_MAX_SUPP_RATES; i++) { | |
12634 | if (params->basic_rates[i] < 0) | |
12635 | break; | |
12636 | rates[rates_len++] = params->basic_rates[i] / 5; | |
12637 | } | |
12638 | ||
12639 | NLA_PUT(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates); | |
12640 | } | |
12641 | ||
12642 | if (params->meshid) { | |
12643 | wpa_hexdump_ascii(MSG_DEBUG, " * SSID", | |
12644 | params->meshid, params->meshid_len); | |
12645 | NLA_PUT(msg, NL80211_ATTR_MESH_ID, params->meshid_len, | |
12646 | params->meshid); | |
12647 | } | |
12648 | ||
12649 | wpa_printf(MSG_DEBUG, " * flags=%08X", params->flags); | |
12650 | ||
12651 | container = nla_nest_start(msg, NL80211_ATTR_MESH_SETUP); | |
12652 | if (!container) | |
12653 | goto nla_put_failure; | |
12654 | ||
12655 | if (params->ies) { | |
12656 | wpa_hexdump(MSG_DEBUG, " * IEs", params->ies, params->ie_len); | |
12657 | NLA_PUT(msg, NL80211_MESH_SETUP_IE, params->ie_len, | |
12658 | params->ies); | |
12659 | } | |
12660 | /* WPA_DRIVER_MESH_FLAG_OPEN_AUTH is treated as default by nl80211 */ | |
12661 | if (params->flags & WPA_DRIVER_MESH_FLAG_SAE_AUTH) { | |
12662 | NLA_PUT_U8(msg, NL80211_MESH_SETUP_AUTH_PROTOCOL, 0x1); | |
12663 | NLA_PUT_FLAG(msg, NL80211_MESH_SETUP_USERSPACE_AUTH); | |
12664 | } | |
12665 | if (params->flags & WPA_DRIVER_MESH_FLAG_AMPE) | |
12666 | NLA_PUT_FLAG(msg, NL80211_MESH_SETUP_USERSPACE_AMPE); | |
12667 | if (params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM) | |
12668 | NLA_PUT_FLAG(msg, NL80211_MESH_SETUP_USERSPACE_MPM); | |
12669 | nla_nest_end(msg, container); | |
12670 | ||
12671 | container = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG); | |
12672 | if (!container) | |
12673 | goto nla_put_failure; | |
12674 | ||
12675 | if (!(params->conf.flags & WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS)) | |
12676 | NLA_PUT_U32(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, 0); | |
12677 | nla_nest_end(msg, container); | |
12678 | ||
12679 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
12680 | msg = NULL; | |
12681 | if (ret) { | |
12682 | wpa_printf(MSG_DEBUG, "nl80211: mesh join failed: ret=%d (%s)", | |
12683 | ret, strerror(-ret)); | |
12684 | goto nla_put_failure; | |
12685 | } | |
12686 | ret = 0; | |
12687 | bss->freq = params->freq; | |
12688 | wpa_printf(MSG_DEBUG, "nl80211: mesh join request send successfully"); | |
12689 | ||
12690 | ||
12691 | nla_put_failure: | |
12692 | nlmsg_free(msg); | |
12693 | return ret; | |
12694 | } | |
12695 | ||
12696 | ||
12697 | static int wpa_driver_nl80211_leave_mesh(void *priv) | |
12698 | { | |
12699 | struct i802_bss *bss = priv; | |
12700 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
12701 | struct nl_msg *msg; | |
12702 | int ret = 0; | |
12703 | ||
12704 | msg = nlmsg_alloc(); | |
12705 | if (!msg) | |
12706 | return -1; | |
12707 | ||
12708 | wpa_printf(MSG_DEBUG, "nl80211: mesh leave (ifindex=%d)", drv->ifindex); | |
12709 | nl80211_cmd(drv, msg, 0, NL80211_CMD_LEAVE_MESH); | |
12710 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
12711 | ||
12712 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
12713 | msg = NULL; | |
12714 | if (ret) { | |
12715 | wpa_printf(MSG_DEBUG, "nl80211: mesh leave failed: ret=%d (%s)", | |
12716 | ret, strerror(-ret)); | |
12717 | goto nla_put_failure; | |
12718 | } | |
12719 | ret = 0; | |
12720 | wpa_printf(MSG_DEBUG, "nl80211: mesh leave request send successfully"); | |
12721 | ||
12722 | nla_put_failure: | |
12723 | nlmsg_free(msg); | |
12724 | return ret; | |
12725 | } | |
12726 | ||
12727 | #endif /* CONFIG_MESH */ | |
12728 | ||
12729 | ||
12730 | const struct wpa_driver_ops wpa_driver_nl80211_ops = { | |
12731 | .name = "nl80211", | |
12732 | .desc = "Linux nl80211/cfg80211", | |
12733 | .get_bssid = wpa_driver_nl80211_get_bssid, | |
12734 | .get_ssid = wpa_driver_nl80211_get_ssid, | |
12735 | .set_key = driver_nl80211_set_key, | |
12736 | .scan2 = driver_nl80211_scan2, | |
12737 | .sched_scan = wpa_driver_nl80211_sched_scan, | |
12738 | .stop_sched_scan = wpa_driver_nl80211_stop_sched_scan, | |
12739 | .get_scan_results2 = wpa_driver_nl80211_get_scan_results, | |
12740 | .deauthenticate = driver_nl80211_deauthenticate, | |
12741 | .authenticate = driver_nl80211_authenticate, | |
12742 | .associate = wpa_driver_nl80211_associate, | |
12743 | .global_init = nl80211_global_init, | |
12744 | .global_deinit = nl80211_global_deinit, | |
12745 | .init2 = wpa_driver_nl80211_init, | |
12746 | .deinit = driver_nl80211_deinit, | |
12747 | .get_capa = wpa_driver_nl80211_get_capa, | |
12748 | .set_operstate = wpa_driver_nl80211_set_operstate, | |
12749 | .set_supp_port = wpa_driver_nl80211_set_supp_port, | |
12750 | .set_country = wpa_driver_nl80211_set_country, | |
12751 | .get_country = wpa_driver_nl80211_get_country, | |
12752 | .set_ap = wpa_driver_nl80211_set_ap, | |
12753 | .set_acl = wpa_driver_nl80211_set_acl, | |
12754 | .if_add = wpa_driver_nl80211_if_add, | |
12755 | .if_remove = driver_nl80211_if_remove, | |
12756 | .send_mlme = driver_nl80211_send_mlme, | |
12757 | .get_hw_feature_data = wpa_driver_nl80211_get_hw_feature_data, | |
12758 | .sta_add = wpa_driver_nl80211_sta_add, | |
12759 | .sta_remove = driver_nl80211_sta_remove, | |
12760 | .hapd_send_eapol = wpa_driver_nl80211_hapd_send_eapol, | |
12761 | .sta_set_flags = wpa_driver_nl80211_sta_set_flags, | |
12762 | .hapd_init = i802_init, | |
12763 | .hapd_deinit = i802_deinit, | |
12764 | .set_wds_sta = i802_set_wds_sta, | |
12765 | .get_seqnum = i802_get_seqnum, | |
12766 | .flush = i802_flush, | |
12767 | .get_inact_sec = i802_get_inact_sec, | |
12768 | .sta_clear_stats = i802_sta_clear_stats, | |
12769 | .set_rts = i802_set_rts, | |
12770 | .set_frag = i802_set_frag, | |
12771 | .set_tx_queue_params = i802_set_tx_queue_params, | |
12772 | .set_sta_vlan = driver_nl80211_set_sta_vlan, | |
12773 | .sta_deauth = i802_sta_deauth, | |
12774 | .sta_disassoc = i802_sta_disassoc, | |
12775 | .read_sta_data = driver_nl80211_read_sta_data, | |
12776 | .set_freq = i802_set_freq, | |
12777 | .send_action = driver_nl80211_send_action, | |
12778 | .send_action_cancel_wait = wpa_driver_nl80211_send_action_cancel_wait, | |
12779 | .remain_on_channel = wpa_driver_nl80211_remain_on_channel, | |
12780 | .cancel_remain_on_channel = | |
12781 | wpa_driver_nl80211_cancel_remain_on_channel, | |
12782 | .probe_req_report = driver_nl80211_probe_req_report, | |
12783 | .deinit_ap = wpa_driver_nl80211_deinit_ap, | |
12784 | .deinit_p2p_cli = wpa_driver_nl80211_deinit_p2p_cli, | |
12785 | .resume = wpa_driver_nl80211_resume, | |
12786 | .send_ft_action = nl80211_send_ft_action, | |
12787 | .signal_monitor = nl80211_signal_monitor, | |
12788 | .signal_poll = nl80211_signal_poll, | |
12789 | .send_frame = nl80211_send_frame, | |
12790 | .shared_freq = wpa_driver_nl80211_shared_freq, | |
12791 | .set_param = nl80211_set_param, | |
12792 | .get_radio_name = nl80211_get_radio_name, | |
12793 | .add_pmkid = nl80211_add_pmkid, | |
12794 | .remove_pmkid = nl80211_remove_pmkid, | |
12795 | .flush_pmkid = nl80211_flush_pmkid, | |
12796 | .set_rekey_info = nl80211_set_rekey_info, | |
12797 | .poll_client = nl80211_poll_client, | |
12798 | .set_p2p_powersave = nl80211_set_p2p_powersave, | |
12799 | .start_dfs_cac = nl80211_start_radar_detection, | |
12800 | .stop_ap = wpa_driver_nl80211_stop_ap, | |
12801 | #ifdef CONFIG_TDLS | |
12802 | .send_tdls_mgmt = nl80211_send_tdls_mgmt, | |
12803 | .tdls_oper = nl80211_tdls_oper, | |
12804 | #endif /* CONFIG_TDLS */ | |
12805 | .update_ft_ies = wpa_driver_nl80211_update_ft_ies, | |
12806 | .get_mac_addr = wpa_driver_nl80211_get_macaddr, | |
12807 | .get_survey = wpa_driver_nl80211_get_survey, | |
12808 | .status = wpa_driver_nl80211_status, | |
12809 | .switch_channel = nl80211_switch_channel, | |
12810 | #ifdef ANDROID_P2P | |
12811 | .set_noa = wpa_driver_set_p2p_noa, | |
12812 | .get_noa = wpa_driver_get_p2p_noa, | |
12813 | .set_ap_wps_ie = wpa_driver_set_ap_wps_p2p_ie, | |
12814 | #endif /* ANDROID_P2P */ | |
12815 | #ifdef ANDROID | |
12816 | .driver_cmd = wpa_driver_nl80211_driver_cmd, | |
12817 | #endif /* ANDROID */ | |
12818 | .vendor_cmd = nl80211_vendor_cmd, | |
12819 | .set_qos_map = nl80211_set_qos_map, | |
12820 | .set_wowlan = nl80211_set_wowlan, | |
12821 | .roaming = nl80211_roaming, | |
12822 | .set_mac_addr = nl80211_set_mac_addr, | |
12823 | #ifdef CONFIG_MESH | |
12824 | .init_mesh = wpa_driver_nl80211_init_mesh, | |
12825 | .join_mesh = wpa_driver_nl80211_join_mesh, | |
12826 | .leave_mesh = wpa_driver_nl80211_leave_mesh, | |
12827 | #endif /* CONFIG_MESH */ | |
12828 | }; |