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Commit | Line | Data |
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b22128ef JM |
1 | /* |
2 | * wpa_supplicant - P2P | |
3 | * Copyright (c) 2009-2010, Atheros Communications | |
4 | * | |
e22d4d95 JM |
5 | * This software may be distributed under the terms of the BSD license. |
6 | * See README for more details. | |
b22128ef JM |
7 | */ |
8 | ||
9 | #include "includes.h" | |
10 | ||
11 | #include "common.h" | |
12 | #include "eloop.h" | |
13 | #include "common/ieee802_11_common.h" | |
14 | #include "common/ieee802_11_defs.h" | |
15 | #include "common/wpa_ctrl.h" | |
16 | #include "wps/wps_i.h" | |
17 | #include "p2p/p2p.h" | |
18 | #include "ap/hostapd.h" | |
adc33680 | 19 | #include "ap/ap_config.h" |
aefb53bd | 20 | #include "ap/p2p_hostapd.h" |
20a0b03d JM |
21 | #include "eapol_supp/eapol_supp_sm.h" |
22 | #include "rsn_supp/wpa.h" | |
b22128ef JM |
23 | #include "wpa_supplicant_i.h" |
24 | #include "driver_i.h" | |
25 | #include "ap.h" | |
26 | #include "config_ssid.h" | |
27 | #include "config.h" | |
b22128ef JM |
28 | #include "notify.h" |
29 | #include "scan.h" | |
30 | #include "bss.h" | |
24f6497c | 31 | #include "offchannel.h" |
b22128ef JM |
32 | #include "wps_supplicant.h" |
33 | #include "p2p_supplicant.h" | |
34 | ||
35 | ||
9b1ab931 JM |
36 | /* |
37 | * How many times to try to scan to find the GO before giving up on join | |
38 | * request. | |
39 | */ | |
40 | #define P2P_MAX_JOIN_SCAN_ATTEMPTS 10 | |
41 | ||
84286a22 SDU |
42 | #define P2P_AUTO_PD_SCAN_ATTEMPTS 5 |
43 | ||
c8106615 JM |
44 | #ifndef P2P_MAX_CLIENT_IDLE |
45 | /* | |
46 | * How many seconds to try to reconnect to the GO when connection in P2P client | |
47 | * role has been lost. | |
48 | */ | |
49 | #define P2P_MAX_CLIENT_IDLE 10 | |
50 | #endif /* P2P_MAX_CLIENT_IDLE */ | |
51 | ||
361cdf34 JM |
52 | #ifndef P2P_MAX_INITIAL_CONN_WAIT |
53 | /* | |
54 | * How many seconds to wait for initial 4-way handshake to get completed after | |
55 | * WPS provisioning step. | |
56 | */ | |
57 | #define P2P_MAX_INITIAL_CONN_WAIT 10 | |
58 | #endif /* P2P_MAX_INITIAL_CONN_WAIT */ | |
59 | ||
05a77b3b JM |
60 | #ifndef P2P_CONCURRENT_SEARCH_DELAY |
61 | #define P2P_CONCURRENT_SEARCH_DELAY 500 | |
62 | #endif /* P2P_CONCURRENT_SEARCH_DELAY */ | |
63 | ||
8dba4aef JM |
64 | enum p2p_group_removal_reason { |
65 | P2P_GROUP_REMOVAL_UNKNOWN, | |
66 | P2P_GROUP_REMOVAL_SILENT, | |
67 | P2P_GROUP_REMOVAL_FORMATION_FAILED, | |
68 | P2P_GROUP_REMOVAL_REQUESTED, | |
69 | P2P_GROUP_REMOVAL_IDLE_TIMEOUT, | |
70 | P2P_GROUP_REMOVAL_UNAVAILABLE, | |
71 | P2P_GROUP_REMOVAL_GO_ENDING_SESSION | |
72 | }; | |
73 | ||
9b1ab931 | 74 | |
b22128ef JM |
75 | static void wpas_p2p_long_listen_timeout(void *eloop_ctx, void *timeout_ctx); |
76 | static struct wpa_supplicant * | |
77 | wpas_p2p_get_group_iface(struct wpa_supplicant *wpa_s, int addr_allocated, | |
78 | int go); | |
79 | static int wpas_p2p_join_start(struct wpa_supplicant *wpa_s); | |
84286a22 | 80 | static void wpas_p2p_join_scan_req(struct wpa_supplicant *wpa_s, int freq); |
ef922c4a | 81 | static void wpas_p2p_join_scan(void *eloop_ctx, void *timeout_ctx); |
108def93 | 82 | static int wpas_p2p_join(struct wpa_supplicant *wpa_s, const u8 *iface_addr, |
b31be3a0 JM |
83 | const u8 *dev_addr, enum p2p_wps_method wps_method, |
84 | int auto_join); | |
b22128ef | 85 | static int wpas_p2p_create_iface(struct wpa_supplicant *wpa_s); |
72044390 | 86 | static void wpas_p2p_cross_connect_setup(struct wpa_supplicant *wpa_s); |
3071e181 JM |
87 | static void wpas_p2p_group_idle_timeout(void *eloop_ctx, void *timeout_ctx); |
88 | static void wpas_p2p_set_group_idle_timeout(struct wpa_supplicant *wpa_s); | |
77dfafd0 JM |
89 | static void wpas_p2p_group_formation_timeout(void *eloop_ctx, |
90 | void *timeout_ctx); | |
aa9bb764 JM |
91 | static void wpas_p2p_fallback_to_go_neg(struct wpa_supplicant *wpa_s, |
92 | int group_added); | |
8713a2e6 | 93 | static int wpas_p2p_stop_find_oper(struct wpa_supplicant *wpa_s); |
b22128ef JM |
94 | |
95 | ||
96 | static void wpas_p2p_scan_res_handler(struct wpa_supplicant *wpa_s, | |
97 | struct wpa_scan_results *scan_res) | |
98 | { | |
99 | size_t i; | |
100 | ||
9526fd29 | 101 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
b22128ef JM |
102 | return; |
103 | ||
104 | wpa_printf(MSG_DEBUG, "P2P: Scan results received (%d BSS)", | |
105 | (int) scan_res->num); | |
106 | ||
107 | for (i = 0; i < scan_res->num; i++) { | |
108 | struct wpa_scan_res *bss = scan_res->res[i]; | |
c5f10e80 JM |
109 | struct os_time time_tmp_age, entry_ts; |
110 | time_tmp_age.sec = bss->age / 1000; | |
111 | time_tmp_age.usec = (bss->age % 1000) * 1000; | |
112 | os_time_sub(&scan_res->fetch_time, &time_tmp_age, &entry_ts); | |
b22128ef | 113 | if (p2p_scan_res_handler(wpa_s->global->p2p, bss->bssid, |
c5f10e80 | 114 | bss->freq, &entry_ts, bss->level, |
b22128ef JM |
115 | (const u8 *) (bss + 1), |
116 | bss->ie_len) > 0) | |
9bcf9541 | 117 | break; |
b22128ef JM |
118 | } |
119 | ||
120 | p2p_scan_res_handled(wpa_s->global->p2p); | |
121 | } | |
122 | ||
123 | ||
046ef4aa JMB |
124 | static int wpas_p2p_scan(void *ctx, enum p2p_scan_type type, int freq, |
125 | unsigned int num_req_dev_types, | |
360182ed | 126 | const u8 *req_dev_types, const u8 *dev_id, u16 pw_id) |
b22128ef JM |
127 | { |
128 | struct wpa_supplicant *wpa_s = ctx; | |
99fcd404 | 129 | struct wpa_supplicant *ifs; |
b22128ef JM |
130 | struct wpa_driver_scan_params params; |
131 | int ret; | |
132 | struct wpabuf *wps_ie, *ies; | |
133 | int social_channels[] = { 2412, 2437, 2462, 0, 0 }; | |
206e1f42 | 134 | size_t ielen; |
b22128ef | 135 | |
9526fd29 JM |
136 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
137 | return -1; | |
138 | ||
99fcd404 JM |
139 | for (ifs = wpa_s->global->ifaces; ifs; ifs = ifs->next) { |
140 | if (ifs->sta_scan_pending && | |
141 | wpas_p2p_in_progress(wpa_s) == 2) { | |
142 | wpa_printf(MSG_DEBUG, "Delaying P2P scan to allow " | |
143 | "pending station mode scan to be " | |
144 | "completed on interface %s", ifs->ifname); | |
e665ca9a | 145 | wpa_s->global->p2p_cb_on_scan_complete = 1; |
99fcd404 JM |
146 | wpa_supplicant_req_scan(ifs, 0, 0); |
147 | return 1; | |
148 | } | |
149 | } | |
150 | ||
b22128ef JM |
151 | os_memset(¶ms, 0, sizeof(params)); |
152 | ||
153 | /* P2P Wildcard SSID */ | |
154 | params.num_ssids = 1; | |
155 | params.ssids[0].ssid = (u8 *) P2P_WILDCARD_SSID; | |
156 | params.ssids[0].ssid_len = P2P_WILDCARD_SSID_LEN; | |
157 | ||
158 | wpa_s->wps->dev.p2p = 1; | |
360182ed JM |
159 | wps_ie = wps_build_probe_req_ie(pw_id, &wpa_s->wps->dev, |
160 | wpa_s->wps->uuid, WPS_REQ_ENROLLEE, | |
046ef4aa | 161 | num_req_dev_types, req_dev_types); |
b22128ef JM |
162 | if (wps_ie == NULL) |
163 | return -1; | |
164 | ||
206e1f42 JM |
165 | ielen = p2p_scan_ie_buf_len(wpa_s->global->p2p); |
166 | ies = wpabuf_alloc(wpabuf_len(wps_ie) + ielen); | |
b22128ef JM |
167 | if (ies == NULL) { |
168 | wpabuf_free(wps_ie); | |
169 | return -1; | |
170 | } | |
171 | wpabuf_put_buf(ies, wps_ie); | |
172 | wpabuf_free(wps_ie); | |
173 | ||
6d92fa6e | 174 | p2p_scan_ie(wpa_s->global->p2p, ies, dev_id); |
b22128ef | 175 | |
47185fc7 | 176 | params.p2p_probe = 1; |
b22128ef JM |
177 | params.extra_ies = wpabuf_head(ies); |
178 | params.extra_ies_len = wpabuf_len(ies); | |
179 | ||
180 | switch (type) { | |
181 | case P2P_SCAN_SOCIAL: | |
182 | params.freqs = social_channels; | |
183 | break; | |
184 | case P2P_SCAN_FULL: | |
185 | break; | |
b22128ef JM |
186 | case P2P_SCAN_SOCIAL_PLUS_ONE: |
187 | social_channels[3] = freq; | |
188 | params.freqs = social_channels; | |
189 | break; | |
190 | } | |
191 | ||
17fbb751 | 192 | ret = wpa_drv_scan(wpa_s, ¶ms); |
b22128ef JM |
193 | |
194 | wpabuf_free(ies); | |
195 | ||
39185dfa | 196 | if (ret) { |
58d3760e JM |
197 | for (ifs = wpa_s->global->ifaces; ifs; ifs = ifs->next) { |
198 | if (ifs->scanning || | |
199 | ifs->scan_res_handler == wpas_p2p_scan_res_handler) { | |
200 | wpa_s->global->p2p_cb_on_scan_complete = 1; | |
201 | ret = 1; | |
202 | break; | |
203 | } | |
39185dfa | 204 | } |
5b376333 JM |
205 | } else |
206 | wpa_s->scan_res_handler = wpas_p2p_scan_res_handler; | |
0c96fd6d | 207 | |
b22128ef JM |
208 | return ret; |
209 | } | |
210 | ||
211 | ||
b22128ef JM |
212 | static enum wpa_driver_if_type wpas_p2p_if_type(int p2p_group_interface) |
213 | { | |
214 | switch (p2p_group_interface) { | |
215 | case P2P_GROUP_INTERFACE_PENDING: | |
216 | return WPA_IF_P2P_GROUP; | |
217 | case P2P_GROUP_INTERFACE_GO: | |
218 | return WPA_IF_P2P_GO; | |
219 | case P2P_GROUP_INTERFACE_CLIENT: | |
220 | return WPA_IF_P2P_CLIENT; | |
221 | } | |
222 | ||
223 | return WPA_IF_P2P_GROUP; | |
224 | } | |
225 | ||
226 | ||
6c0da49f JM |
227 | static struct wpa_supplicant * wpas_get_p2p_group(struct wpa_supplicant *wpa_s, |
228 | const u8 *ssid, | |
229 | size_t ssid_len, int *go) | |
230 | { | |
231 | struct wpa_ssid *s; | |
232 | ||
233 | for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) { | |
234 | for (s = wpa_s->conf->ssid; s; s = s->next) { | |
235 | if (s->disabled != 0 || !s->p2p_group || | |
236 | s->ssid_len != ssid_len || | |
237 | os_memcmp(ssid, s->ssid, ssid_len) != 0) | |
238 | continue; | |
239 | if (s->mode == WPAS_MODE_P2P_GO && | |
240 | s != wpa_s->current_ssid) | |
241 | continue; | |
242 | if (go) | |
243 | *go = s->mode == WPAS_MODE_P2P_GO; | |
244 | return wpa_s; | |
245 | } | |
246 | } | |
247 | ||
248 | return NULL; | |
249 | } | |
250 | ||
251 | ||
8dba4aef JM |
252 | static int wpas_p2p_group_delete(struct wpa_supplicant *wpa_s, |
253 | enum p2p_group_removal_reason removal_reason) | |
b22128ef JM |
254 | { |
255 | struct wpa_ssid *ssid; | |
256 | char *gtype; | |
3071e181 JM |
257 | const char *reason; |
258 | ||
b22128ef JM |
259 | ssid = wpa_s->current_ssid; |
260 | if (ssid == NULL) { | |
261 | /* | |
262 | * The current SSID was not known, but there may still be a | |
0c802384 JM |
263 | * pending P2P group interface waiting for provisioning or a |
264 | * P2P group that is trying to reconnect. | |
b22128ef JM |
265 | */ |
266 | ssid = wpa_s->conf->ssid; | |
267 | while (ssid) { | |
6d22a377 | 268 | if (ssid->p2p_group && ssid->disabled != 2) |
b22128ef JM |
269 | break; |
270 | ssid = ssid->next; | |
271 | } | |
6f1ca696 JM |
272 | if (ssid == NULL && |
273 | wpa_s->p2p_group_interface == NOT_P2P_GROUP_INTERFACE) | |
274 | { | |
30ee7692 MN |
275 | wpa_printf(MSG_ERROR, "P2P: P2P group interface " |
276 | "not found"); | |
277 | return -1; | |
278 | } | |
b22128ef JM |
279 | } |
280 | if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_GO) | |
281 | gtype = "GO"; | |
282 | else if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_CLIENT || | |
283 | (ssid && ssid->mode == WPAS_MODE_INFRA)) { | |
284 | wpa_s->reassociate = 0; | |
285 | wpa_s->disconnected = 1; | |
286 | wpa_supplicant_deauthenticate(wpa_s, | |
287 | WLAN_REASON_DEAUTH_LEAVING); | |
288 | gtype = "client"; | |
289 | } else | |
290 | gtype = "GO"; | |
72044390 JM |
291 | if (wpa_s->cross_connect_in_use) { |
292 | wpa_s->cross_connect_in_use = 0; | |
293 | wpa_msg(wpa_s->parent, MSG_INFO, | |
294 | P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s", | |
295 | wpa_s->ifname, wpa_s->cross_connect_uplink); | |
296 | } | |
8dba4aef | 297 | switch (removal_reason) { |
3071e181 JM |
298 | case P2P_GROUP_REMOVAL_REQUESTED: |
299 | reason = " reason=REQUESTED"; | |
300 | break; | |
8dba4aef JM |
301 | case P2P_GROUP_REMOVAL_FORMATION_FAILED: |
302 | reason = " reason=FORMATION_FAILED"; | |
303 | break; | |
3071e181 JM |
304 | case P2P_GROUP_REMOVAL_IDLE_TIMEOUT: |
305 | reason = " reason=IDLE"; | |
306 | break; | |
c973f386 JM |
307 | case P2P_GROUP_REMOVAL_UNAVAILABLE: |
308 | reason = " reason=UNAVAILABLE"; | |
309 | break; | |
3fc14102 JM |
310 | case P2P_GROUP_REMOVAL_GO_ENDING_SESSION: |
311 | reason = " reason=GO_ENDING_SESSION"; | |
312 | break; | |
3071e181 JM |
313 | default: |
314 | reason = ""; | |
315 | break; | |
316 | } | |
8dba4aef | 317 | if (removal_reason != P2P_GROUP_REMOVAL_SILENT) { |
aa9bb764 JM |
318 | wpa_msg(wpa_s->parent, MSG_INFO, |
319 | P2P_EVENT_GROUP_REMOVED "%s %s%s", | |
320 | wpa_s->ifname, gtype, reason); | |
321 | } | |
408af93e | 322 | |
dddc7045 JM |
323 | if (eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL) > 0) |
324 | wpa_printf(MSG_DEBUG, "P2P: Cancelled P2P group idle timeout"); | |
77dfafd0 JM |
325 | if (eloop_cancel_timeout(wpas_p2p_group_formation_timeout, |
326 | wpa_s->parent, NULL) > 0) | |
327 | wpa_printf(MSG_DEBUG, "P2P: Cancelled P2P group formation " | |
328 | "timeout"); | |
a7a30b90 | 329 | |
8dba4aef | 330 | if (removal_reason != P2P_GROUP_REMOVAL_SILENT && ssid) |
408af93e JB |
331 | wpas_notify_p2p_group_removed(wpa_s, ssid, gtype); |
332 | ||
b22128ef JM |
333 | if (wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE) { |
334 | struct wpa_global *global; | |
335 | char *ifname; | |
336 | enum wpa_driver_if_type type; | |
337 | wpa_printf(MSG_DEBUG, "P2P: Remove group interface %s", | |
338 | wpa_s->ifname); | |
339 | global = wpa_s->global; | |
340 | ifname = os_strdup(wpa_s->ifname); | |
341 | type = wpas_p2p_if_type(wpa_s->p2p_group_interface); | |
df509539 | 342 | wpa_supplicant_remove_iface(wpa_s->global, wpa_s, 0); |
b22128ef JM |
343 | wpa_s = global->ifaces; |
344 | if (wpa_s && ifname) | |
345 | wpa_drv_if_remove(wpa_s, type, ifname); | |
346 | os_free(ifname); | |
0aadd568 | 347 | return 1; |
b22128ef JM |
348 | } |
349 | ||
350 | wpa_printf(MSG_DEBUG, "P2P: Remove temporary group network"); | |
351 | if (ssid && (ssid->p2p_group || | |
352 | ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION || | |
353 | (ssid->key_mgmt & WPA_KEY_MGMT_WPS))) { | |
354 | int id = ssid->id; | |
20a0b03d JM |
355 | if (ssid == wpa_s->current_ssid) { |
356 | wpa_sm_set_config(wpa_s->wpa, NULL); | |
357 | eapol_sm_notify_config(wpa_s->eapol, NULL, NULL); | |
b22128ef | 358 | wpa_s->current_ssid = NULL; |
20a0b03d | 359 | } |
c2762e41 JS |
360 | /* |
361 | * Networks objects created during any P2P activities are not | |
362 | * exposed out as they might/will confuse certain non-P2P aware | |
363 | * applications since these network objects won't behave like | |
364 | * regular ones. | |
365 | * | |
366 | * Likewise, we don't send out network removed signals for such | |
367 | * network objects. | |
368 | */ | |
b22128ef JM |
369 | wpa_config_remove_network(wpa_s->conf, id); |
370 | wpa_supplicant_clear_status(wpa_s); | |
433cd2ce | 371 | wpa_supplicant_cancel_sched_scan(wpa_s); |
83218d20 | 372 | wpa_s->sta_scan_pending = 0; |
b22128ef JM |
373 | } else { |
374 | wpa_printf(MSG_DEBUG, "P2P: Temporary group network not " | |
375 | "found"); | |
376 | } | |
3c29244e EP |
377 | if (wpa_s->ap_iface) |
378 | wpa_supplicant_ap_deinit(wpa_s); | |
379 | else | |
380 | wpa_drv_deinit_p2p_cli(wpa_s); | |
30ee7692 MN |
381 | |
382 | return 0; | |
b22128ef JM |
383 | } |
384 | ||
385 | ||
386 | static int wpas_p2p_persistent_group(struct wpa_supplicant *wpa_s, | |
387 | u8 *go_dev_addr, | |
388 | const u8 *ssid, size_t ssid_len) | |
389 | { | |
390 | struct wpa_bss *bss; | |
391 | const u8 *bssid; | |
392 | struct wpabuf *p2p; | |
393 | u8 group_capab; | |
394 | const u8 *addr; | |
395 | ||
396 | if (wpa_s->go_params) | |
397 | bssid = wpa_s->go_params->peer_interface_addr; | |
398 | else | |
399 | bssid = wpa_s->bssid; | |
400 | ||
401 | bss = wpa_bss_get(wpa_s, bssid, ssid, ssid_len); | |
402 | if (bss == NULL) { | |
403 | u8 iface_addr[ETH_ALEN]; | |
404 | if (p2p_get_interface_addr(wpa_s->global->p2p, bssid, | |
405 | iface_addr) == 0) | |
406 | bss = wpa_bss_get(wpa_s, iface_addr, ssid, ssid_len); | |
407 | } | |
408 | if (bss == NULL) { | |
409 | wpa_printf(MSG_DEBUG, "P2P: Could not figure out whether " | |
410 | "group is persistent - BSS " MACSTR " not found", | |
411 | MAC2STR(bssid)); | |
412 | return 0; | |
413 | } | |
414 | ||
415 | p2p = wpa_bss_get_vendor_ie_multi(bss, P2P_IE_VENDOR_TYPE); | |
416 | if (p2p == NULL) { | |
417 | wpa_printf(MSG_DEBUG, "P2P: Could not figure out whether " | |
418 | "group is persistent - BSS " MACSTR | |
419 | " did not include P2P IE", MAC2STR(bssid)); | |
420 | wpa_hexdump(MSG_DEBUG, "P2P: Probe Response IEs", | |
421 | (u8 *) (bss + 1), bss->ie_len); | |
422 | wpa_hexdump(MSG_DEBUG, "P2P: Beacon IEs", | |
423 | ((u8 *) bss + 1) + bss->ie_len, | |
424 | bss->beacon_ie_len); | |
425 | return 0; | |
426 | } | |
427 | ||
428 | group_capab = p2p_get_group_capab(p2p); | |
429 | addr = p2p_get_go_dev_addr(p2p); | |
430 | wpa_printf(MSG_DEBUG, "P2P: Checking whether group is persistent: " | |
431 | "group_capab=0x%x", group_capab); | |
432 | if (addr) { | |
433 | os_memcpy(go_dev_addr, addr, ETH_ALEN); | |
434 | wpa_printf(MSG_DEBUG, "P2P: GO Device Address " MACSTR, | |
435 | MAC2STR(addr)); | |
436 | } else | |
437 | os_memset(go_dev_addr, 0, ETH_ALEN); | |
438 | wpabuf_free(p2p); | |
439 | ||
440 | wpa_printf(MSG_DEBUG, "P2P: BSS " MACSTR " group_capab=0x%x " | |
441 | "go_dev_addr=" MACSTR, | |
442 | MAC2STR(bssid), group_capab, MAC2STR(go_dev_addr)); | |
443 | ||
444 | return group_capab & P2P_GROUP_CAPAB_PERSISTENT_GROUP; | |
445 | } | |
446 | ||
447 | ||
4b6baa2f JMB |
448 | static int wpas_p2p_store_persistent_group(struct wpa_supplicant *wpa_s, |
449 | struct wpa_ssid *ssid, | |
450 | const u8 *go_dev_addr) | |
b22128ef JM |
451 | { |
452 | struct wpa_ssid *s; | |
453 | int changed = 0; | |
454 | ||
455 | wpa_printf(MSG_DEBUG, "P2P: Storing credentials for a persistent " | |
456 | "group (GO Dev Addr " MACSTR ")", MAC2STR(go_dev_addr)); | |
457 | for (s = wpa_s->conf->ssid; s; s = s->next) { | |
458 | if (s->disabled == 2 && | |
459 | os_memcmp(go_dev_addr, s->bssid, ETH_ALEN) == 0 && | |
460 | s->ssid_len == ssid->ssid_len && | |
461 | os_memcmp(ssid->ssid, s->ssid, ssid->ssid_len) == 0) | |
462 | break; | |
463 | } | |
464 | ||
465 | if (s) { | |
466 | wpa_printf(MSG_DEBUG, "P2P: Update existing persistent group " | |
467 | "entry"); | |
468 | if (ssid->passphrase && !s->passphrase) | |
469 | changed = 1; | |
470 | else if (ssid->passphrase && s->passphrase && | |
471 | os_strcmp(ssid->passphrase, s->passphrase) != 0) | |
472 | changed = 1; | |
473 | } else { | |
474 | wpa_printf(MSG_DEBUG, "P2P: Create a new persistent group " | |
475 | "entry"); | |
476 | changed = 1; | |
477 | s = wpa_config_add_network(wpa_s->conf); | |
478 | if (s == NULL) | |
4b6baa2f | 479 | return -1; |
c2762e41 JS |
480 | |
481 | /* | |
482 | * Instead of network_added we emit persistent_group_added | |
483 | * notification. Also to keep the defense checks in | |
484 | * persistent_group obj registration method, we set the | |
485 | * relevant flags in s to designate it as a persistent group. | |
486 | */ | |
487 | s->p2p_group = 1; | |
488 | s->p2p_persistent_group = 1; | |
489 | wpas_notify_persistent_group_added(wpa_s, s); | |
b22128ef JM |
490 | wpa_config_set_network_defaults(s); |
491 | } | |
492 | ||
493 | s->p2p_group = 1; | |
494 | s->p2p_persistent_group = 1; | |
495 | s->disabled = 2; | |
496 | s->bssid_set = 1; | |
497 | os_memcpy(s->bssid, go_dev_addr, ETH_ALEN); | |
498 | s->mode = ssid->mode; | |
499 | s->auth_alg = WPA_AUTH_ALG_OPEN; | |
500 | s->key_mgmt = WPA_KEY_MGMT_PSK; | |
501 | s->proto = WPA_PROTO_RSN; | |
502 | s->pairwise_cipher = WPA_CIPHER_CCMP; | |
d1c8ac88 | 503 | s->export_keys = 1; |
b22128ef JM |
504 | if (ssid->passphrase) { |
505 | os_free(s->passphrase); | |
506 | s->passphrase = os_strdup(ssid->passphrase); | |
507 | } | |
508 | if (ssid->psk_set) { | |
509 | s->psk_set = 1; | |
510 | os_memcpy(s->psk, ssid->psk, 32); | |
511 | } | |
512 | if (s->passphrase && !s->psk_set) | |
513 | wpa_config_update_psk(s); | |
514 | if (s->ssid == NULL || s->ssid_len < ssid->ssid_len) { | |
515 | os_free(s->ssid); | |
516 | s->ssid = os_malloc(ssid->ssid_len); | |
517 | } | |
518 | if (s->ssid) { | |
519 | s->ssid_len = ssid->ssid_len; | |
520 | os_memcpy(s->ssid, ssid->ssid, s->ssid_len); | |
521 | } | |
522 | ||
523 | #ifndef CONFIG_NO_CONFIG_WRITE | |
524 | if (changed && wpa_s->conf->update_config && | |
525 | wpa_config_write(wpa_s->confname, wpa_s->conf)) { | |
526 | wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration"); | |
527 | } | |
528 | #endif /* CONFIG_NO_CONFIG_WRITE */ | |
4b6baa2f JMB |
529 | |
530 | return s->id; | |
b22128ef JM |
531 | } |
532 | ||
533 | ||
fbdcfd57 JM |
534 | static void wpas_p2p_add_persistent_group_client(struct wpa_supplicant *wpa_s, |
535 | const u8 *addr) | |
536 | { | |
537 | struct wpa_ssid *ssid, *s; | |
538 | u8 *n; | |
539 | size_t i; | |
22316795 | 540 | int found = 0; |
fbdcfd57 JM |
541 | |
542 | ssid = wpa_s->current_ssid; | |
543 | if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO || | |
544 | !ssid->p2p_persistent_group) | |
545 | return; | |
546 | ||
547 | for (s = wpa_s->parent->conf->ssid; s; s = s->next) { | |
548 | if (s->disabled != 2 || s->mode != WPAS_MODE_P2P_GO) | |
549 | continue; | |
550 | ||
551 | if (s->ssid_len == ssid->ssid_len && | |
552 | os_memcmp(s->ssid, ssid->ssid, s->ssid_len) == 0) | |
553 | break; | |
554 | } | |
555 | ||
556 | if (s == NULL) | |
557 | return; | |
558 | ||
559 | for (i = 0; s->p2p_client_list && i < s->num_p2p_clients; i++) { | |
560 | if (os_memcmp(s->p2p_client_list + i * ETH_ALEN, addr, | |
22316795 JM |
561 | ETH_ALEN) != 0) |
562 | continue; | |
563 | ||
564 | if (i == s->num_p2p_clients - 1) | |
565 | return; /* already the most recent entry */ | |
566 | ||
567 | /* move the entry to mark it most recent */ | |
568 | os_memmove(s->p2p_client_list + i * ETH_ALEN, | |
569 | s->p2p_client_list + (i + 1) * ETH_ALEN, | |
570 | (s->num_p2p_clients - i - 1) * ETH_ALEN); | |
571 | os_memcpy(s->p2p_client_list + | |
572 | (s->num_p2p_clients - 1) * ETH_ALEN, addr, ETH_ALEN); | |
573 | found = 1; | |
574 | break; | |
fbdcfd57 JM |
575 | } |
576 | ||
b4a5dfa9 | 577 | if (!found && s->num_p2p_clients < P2P_MAX_STORED_CLIENTS) { |
22316795 JM |
578 | n = os_realloc_array(s->p2p_client_list, |
579 | s->num_p2p_clients + 1, ETH_ALEN); | |
580 | if (n == NULL) | |
581 | return; | |
582 | os_memcpy(n + s->num_p2p_clients * ETH_ALEN, addr, ETH_ALEN); | |
583 | s->p2p_client_list = n; | |
584 | s->num_p2p_clients++; | |
b4a5dfa9 JM |
585 | } else if (!found) { |
586 | /* Not enough room for an additional entry - drop the oldest | |
587 | * entry */ | |
588 | os_memmove(s->p2p_client_list, | |
589 | s->p2p_client_list + ETH_ALEN, | |
590 | (s->num_p2p_clients - 1) * ETH_ALEN); | |
591 | os_memcpy(s->p2p_client_list + | |
592 | (s->num_p2p_clients - 1) * ETH_ALEN, | |
593 | addr, ETH_ALEN); | |
22316795 | 594 | } |
fbdcfd57 JM |
595 | |
596 | #ifndef CONFIG_NO_CONFIG_WRITE | |
597 | if (wpa_s->parent->conf->update_config && | |
598 | wpa_config_write(wpa_s->parent->confname, wpa_s->parent->conf)) | |
599 | wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration"); | |
600 | #endif /* CONFIG_NO_CONFIG_WRITE */ | |
601 | } | |
602 | ||
603 | ||
b22128ef JM |
604 | static void wpas_group_formation_completed(struct wpa_supplicant *wpa_s, |
605 | int success) | |
606 | { | |
607 | struct wpa_ssid *ssid; | |
608 | const char *ssid_txt; | |
609 | int client; | |
610 | int persistent; | |
611 | u8 go_dev_addr[ETH_ALEN]; | |
4b6baa2f | 612 | int network_id = -1; |
b22128ef JM |
613 | |
614 | /* | |
615 | * This callback is likely called for the main interface. Update wpa_s | |
616 | * to use the group interface if a new interface was created for the | |
617 | * group. | |
618 | */ | |
619 | if (wpa_s->global->p2p_group_formation) | |
620 | wpa_s = wpa_s->global->p2p_group_formation; | |
d1b024c9 | 621 | wpa_s->global->p2p_group_formation = NULL; |
b22128ef JM |
622 | wpa_s->p2p_in_provisioning = 0; |
623 | ||
624 | if (!success) { | |
625 | wpa_msg(wpa_s->parent, MSG_INFO, | |
626 | P2P_EVENT_GROUP_FORMATION_FAILURE); | |
8dba4aef JM |
627 | wpas_p2p_group_delete(wpa_s, |
628 | P2P_GROUP_REMOVAL_FORMATION_FAILED); | |
b22128ef JM |
629 | return; |
630 | } | |
631 | ||
632 | wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_FORMATION_SUCCESS); | |
633 | ||
634 | ssid = wpa_s->current_ssid; | |
635 | if (ssid && ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) { | |
636 | ssid->mode = WPAS_MODE_P2P_GO; | |
637 | p2p_group_notif_formation_done(wpa_s->p2p_group); | |
638 | wpa_supplicant_ap_mac_addr_filter(wpa_s, NULL); | |
639 | } | |
640 | ||
641 | persistent = 0; | |
642 | if (ssid) { | |
643 | ssid_txt = wpa_ssid_txt(ssid->ssid, ssid->ssid_len); | |
644 | client = ssid->mode == WPAS_MODE_INFRA; | |
645 | if (ssid->mode == WPAS_MODE_P2P_GO) { | |
646 | persistent = ssid->p2p_persistent_group; | |
d7e70476 | 647 | os_memcpy(go_dev_addr, wpa_s->global->p2p_dev_addr, |
b22128ef JM |
648 | ETH_ALEN); |
649 | } else | |
650 | persistent = wpas_p2p_persistent_group(wpa_s, | |
651 | go_dev_addr, | |
652 | ssid->ssid, | |
653 | ssid->ssid_len); | |
654 | } else { | |
655 | ssid_txt = ""; | |
656 | client = wpa_s->p2p_group_interface == | |
657 | P2P_GROUP_INTERFACE_CLIENT; | |
62c0d27e | 658 | os_memset(go_dev_addr, 0, ETH_ALEN); |
b22128ef JM |
659 | } |
660 | ||
661 | wpa_s->show_group_started = 0; | |
662 | if (client) { | |
663 | /* | |
664 | * Indicate event only after successfully completed 4-way | |
665 | * handshake, i.e., when the interface is ready for data | |
666 | * packets. | |
667 | */ | |
668 | wpa_s->show_group_started = 1; | |
669 | } else if (ssid && ssid->passphrase == NULL && ssid->psk_set) { | |
670 | char psk[65]; | |
671 | wpa_snprintf_hex(psk, sizeof(psk), ssid->psk, 32); | |
672 | wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED | |
c481048f AC |
673 | "%s GO ssid=\"%s\" freq=%d psk=%s go_dev_addr=" MACSTR |
674 | "%s", | |
675 | wpa_s->ifname, ssid_txt, ssid->frequency, psk, | |
676 | MAC2STR(go_dev_addr), | |
b22128ef | 677 | persistent ? " [PERSISTENT]" : ""); |
72044390 | 678 | wpas_p2p_cross_connect_setup(wpa_s); |
3071e181 | 679 | wpas_p2p_set_group_idle_timeout(wpa_s); |
b22128ef JM |
680 | } else { |
681 | wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED | |
c481048f AC |
682 | "%s GO ssid=\"%s\" freq=%d passphrase=\"%s\" " |
683 | "go_dev_addr=" MACSTR "%s", | |
d394a22f | 684 | wpa_s->ifname, ssid_txt, ssid ? ssid->frequency : 0, |
b22128ef JM |
685 | ssid && ssid->passphrase ? ssid->passphrase : "", |
686 | MAC2STR(go_dev_addr), | |
687 | persistent ? " [PERSISTENT]" : ""); | |
72044390 | 688 | wpas_p2p_cross_connect_setup(wpa_s); |
3071e181 | 689 | wpas_p2p_set_group_idle_timeout(wpa_s); |
b22128ef JM |
690 | } |
691 | ||
692 | if (persistent) | |
4b6baa2f JMB |
693 | network_id = wpas_p2p_store_persistent_group(wpa_s->parent, |
694 | ssid, go_dev_addr); | |
21fe9e75 | 695 | if (network_id < 0 && ssid) |
4b6baa2f JMB |
696 | network_id = ssid->id; |
697 | if (!client) | |
698 | wpas_notify_p2p_group_started(wpa_s, ssid, network_id, 0); | |
b22128ef JM |
699 | } |
700 | ||
701 | ||
24f6497c JM |
702 | static void wpas_p2p_send_action_tx_status(struct wpa_supplicant *wpa_s, |
703 | unsigned int freq, | |
704 | const u8 *dst, const u8 *src, | |
705 | const u8 *bssid, | |
706 | const u8 *data, size_t data_len, | |
707 | enum offchannel_send_action_result | |
708 | result) | |
534525ff | 709 | { |
24f6497c | 710 | enum p2p_send_action_result res = P2P_SEND_ACTION_SUCCESS; |
b22128ef | 711 | |
9526fd29 | 712 | if (wpa_s->global->p2p == NULL || wpa_s->global->p2p_disabled) |
b22128ef | 713 | return; |
3ac17eba JM |
714 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
715 | return; | |
b22128ef | 716 | |
24f6497c JM |
717 | switch (result) { |
718 | case OFFCHANNEL_SEND_ACTION_SUCCESS: | |
719 | res = P2P_SEND_ACTION_SUCCESS; | |
720 | break; | |
721 | case OFFCHANNEL_SEND_ACTION_NO_ACK: | |
722 | res = P2P_SEND_ACTION_NO_ACK; | |
723 | break; | |
724 | case OFFCHANNEL_SEND_ACTION_FAILED: | |
725 | res = P2P_SEND_ACTION_FAILED; | |
726 | break; | |
b22128ef JM |
727 | } |
728 | ||
24f6497c | 729 | p2p_send_action_cb(wpa_s->global->p2p, freq, dst, src, bssid, res); |
b22128ef | 730 | |
f63b8542 JM |
731 | if (result != OFFCHANNEL_SEND_ACTION_SUCCESS && |
732 | wpa_s->pending_pd_before_join && | |
24f6497c | 733 | (os_memcmp(dst, wpa_s->pending_join_dev_addr, ETH_ALEN) == 0 || |
175171ac JM |
734 | os_memcmp(dst, wpa_s->pending_join_iface_addr, ETH_ALEN) == 0) && |
735 | wpa_s->p2p_fallback_to_go_neg) { | |
b22128ef | 736 | wpa_s->pending_pd_before_join = 0; |
175171ac JM |
737 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: No ACK for PD Req " |
738 | "during p2p_connect-auto"); | |
739 | wpas_p2p_fallback_to_go_neg(wpa_s, 0); | |
740 | return; | |
b22128ef JM |
741 | } |
742 | } | |
743 | ||
744 | ||
745 | static int wpas_send_action(void *ctx, unsigned int freq, const u8 *dst, | |
746 | const u8 *src, const u8 *bssid, const u8 *buf, | |
747 | size_t len, unsigned int wait_time) | |
748 | { | |
749 | struct wpa_supplicant *wpa_s = ctx; | |
24f6497c JM |
750 | return offchannel_send_action(wpa_s, freq, dst, src, bssid, buf, len, |
751 | wait_time, | |
b106173a | 752 | wpas_p2p_send_action_tx_status, 1); |
b22128ef JM |
753 | } |
754 | ||
755 | ||
756 | static void wpas_send_action_done(void *ctx) | |
757 | { | |
758 | struct wpa_supplicant *wpa_s = ctx; | |
24f6497c | 759 | offchannel_send_action_done(wpa_s); |
b22128ef JM |
760 | } |
761 | ||
762 | ||
763 | static int wpas_copy_go_neg_results(struct wpa_supplicant *wpa_s, | |
764 | struct p2p_go_neg_results *params) | |
765 | { | |
766 | if (wpa_s->go_params == NULL) { | |
767 | wpa_s->go_params = os_malloc(sizeof(*params)); | |
768 | if (wpa_s->go_params == NULL) | |
769 | return -1; | |
770 | } | |
771 | os_memcpy(wpa_s->go_params, params, sizeof(*params)); | |
772 | return 0; | |
773 | } | |
774 | ||
775 | ||
776 | static void wpas_start_wps_enrollee(struct wpa_supplicant *wpa_s, | |
777 | struct p2p_go_neg_results *res) | |
778 | { | |
3b29972c JM |
779 | wpa_printf(MSG_DEBUG, "P2P: Start WPS Enrollee for peer " MACSTR, |
780 | MAC2STR(res->peer_interface_addr)); | |
e9a7ae41 JM |
781 | wpa_hexdump_ascii(MSG_DEBUG, "P2P: Start WPS Enrollee for SSID", |
782 | res->ssid, res->ssid_len); | |
b22128ef JM |
783 | wpa_supplicant_ap_deinit(wpa_s); |
784 | wpas_copy_go_neg_results(wpa_s, res); | |
785 | if (res->wps_method == WPS_PBC) | |
3b29972c | 786 | wpas_wps_start_pbc(wpa_s, res->peer_interface_addr, 1); |
3c5126a4 JM |
787 | else { |
788 | u16 dev_pw_id = DEV_PW_DEFAULT; | |
789 | if (wpa_s->p2p_wps_method == WPS_PIN_KEYPAD) | |
790 | dev_pw_id = DEV_PW_REGISTRAR_SPECIFIED; | |
b22128ef | 791 | wpas_wps_start_pin(wpa_s, res->peer_interface_addr, |
3c5126a4 JM |
792 | wpa_s->p2p_pin, 1, dev_pw_id); |
793 | } | |
b22128ef JM |
794 | } |
795 | ||
796 | ||
797 | static void p2p_go_configured(void *ctx, void *data) | |
798 | { | |
799 | struct wpa_supplicant *wpa_s = ctx; | |
800 | struct p2p_go_neg_results *params = data; | |
801 | struct wpa_ssid *ssid; | |
4b6baa2f | 802 | int network_id = -1; |
b22128ef JM |
803 | |
804 | ssid = wpa_s->current_ssid; | |
805 | if (ssid && ssid->mode == WPAS_MODE_P2P_GO) { | |
806 | wpa_printf(MSG_DEBUG, "P2P: Group setup without provisioning"); | |
d1b024c9 JM |
807 | if (wpa_s->global->p2p_group_formation == wpa_s) |
808 | wpa_s->global->p2p_group_formation = NULL; | |
bb4d4deb MH |
809 | if (os_strlen(params->passphrase) > 0) { |
810 | wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED | |
811 | "%s GO ssid=\"%s\" freq=%d passphrase=\"%s\" " | |
812 | "go_dev_addr=" MACSTR "%s", wpa_s->ifname, | |
813 | wpa_ssid_txt(ssid->ssid, ssid->ssid_len), | |
814 | ssid->frequency, params->passphrase, | |
815 | MAC2STR(wpa_s->global->p2p_dev_addr), | |
816 | params->persistent_group ? " [PERSISTENT]" : | |
817 | ""); | |
818 | } else { | |
819 | char psk[65]; | |
820 | wpa_snprintf_hex(psk, sizeof(psk), params->psk, | |
821 | sizeof(params->psk)); | |
822 | wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED | |
823 | "%s GO ssid=\"%s\" freq=%d psk=%s " | |
824 | "go_dev_addr=" MACSTR "%s", wpa_s->ifname, | |
825 | wpa_ssid_txt(ssid->ssid, ssid->ssid_len), | |
826 | ssid->frequency, psk, | |
827 | MAC2STR(wpa_s->global->p2p_dev_addr), | |
828 | params->persistent_group ? " [PERSISTENT]" : | |
829 | ""); | |
830 | } | |
4b6baa2f | 831 | |
b22128ef | 832 | if (params->persistent_group) |
4b6baa2f | 833 | network_id = wpas_p2p_store_persistent_group( |
b22128ef | 834 | wpa_s->parent, ssid, |
d7e70476 | 835 | wpa_s->global->p2p_dev_addr); |
4b6baa2f JMB |
836 | if (network_id < 0) |
837 | network_id = ssid->id; | |
838 | wpas_notify_p2p_group_started(wpa_s, ssid, network_id, 0); | |
72044390 | 839 | wpas_p2p_cross_connect_setup(wpa_s); |
3071e181 | 840 | wpas_p2p_set_group_idle_timeout(wpa_s); |
b22128ef JM |
841 | return; |
842 | } | |
843 | ||
844 | wpa_printf(MSG_DEBUG, "P2P: Setting up WPS for GO provisioning"); | |
845 | if (wpa_supplicant_ap_mac_addr_filter(wpa_s, | |
846 | params->peer_interface_addr)) { | |
847 | wpa_printf(MSG_DEBUG, "P2P: Failed to setup MAC address " | |
848 | "filtering"); | |
849 | return; | |
850 | } | |
851 | if (params->wps_method == WPS_PBC) | |
d601247c | 852 | wpa_supplicant_ap_wps_pbc(wpa_s, params->peer_interface_addr, |
c3daaf33 | 853 | params->peer_device_addr); |
b22128ef JM |
854 | else if (wpa_s->p2p_pin[0]) |
855 | wpa_supplicant_ap_wps_pin(wpa_s, params->peer_interface_addr, | |
c423708f | 856 | wpa_s->p2p_pin, NULL, 0, 0); |
b22128ef JM |
857 | os_free(wpa_s->go_params); |
858 | wpa_s->go_params = NULL; | |
859 | } | |
860 | ||
861 | ||
862 | static void wpas_start_wps_go(struct wpa_supplicant *wpa_s, | |
863 | struct p2p_go_neg_results *params, | |
864 | int group_formation) | |
865 | { | |
866 | struct wpa_ssid *ssid; | |
867 | ||
ac06fb12 JM |
868 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Starting GO"); |
869 | if (wpas_copy_go_neg_results(wpa_s, params) < 0) { | |
870 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Could not copy GO Negotiation " | |
871 | "results"); | |
b22128ef | 872 | return; |
ac06fb12 | 873 | } |
b22128ef JM |
874 | |
875 | ssid = wpa_config_add_network(wpa_s->conf); | |
ac06fb12 JM |
876 | if (ssid == NULL) { |
877 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Could not add network for GO"); | |
b22128ef | 878 | return; |
ac06fb12 | 879 | } |
b22128ef | 880 | |
a9e02d59 JM |
881 | wpa_s->show_group_started = 0; |
882 | ||
b22128ef JM |
883 | wpa_config_set_network_defaults(ssid); |
884 | ssid->temporary = 1; | |
885 | ssid->p2p_group = 1; | |
886 | ssid->p2p_persistent_group = params->persistent_group; | |
887 | ssid->mode = group_formation ? WPAS_MODE_P2P_GROUP_FORMATION : | |
888 | WPAS_MODE_P2P_GO; | |
889 | ssid->frequency = params->freq; | |
7aeac985 | 890 | ssid->ht40 = params->ht40; |
b22128ef JM |
891 | ssid->ssid = os_zalloc(params->ssid_len + 1); |
892 | if (ssid->ssid) { | |
893 | os_memcpy(ssid->ssid, params->ssid, params->ssid_len); | |
894 | ssid->ssid_len = params->ssid_len; | |
895 | } | |
896 | ssid->auth_alg = WPA_AUTH_ALG_OPEN; | |
897 | ssid->key_mgmt = WPA_KEY_MGMT_PSK; | |
898 | ssid->proto = WPA_PROTO_RSN; | |
899 | ssid->pairwise_cipher = WPA_CIPHER_CCMP; | |
bb4d4deb MH |
900 | if (os_strlen(params->passphrase) > 0) { |
901 | ssid->passphrase = os_strdup(params->passphrase); | |
902 | if (ssid->passphrase == NULL) { | |
903 | wpa_msg(wpa_s, MSG_ERROR, "P2P: Failed to copy " | |
904 | "passphrase for GO"); | |
905 | wpa_config_remove_network(wpa_s->conf, ssid->id); | |
906 | return; | |
907 | } | |
908 | } else | |
909 | ssid->passphrase = NULL; | |
30c371e8 MH |
910 | ssid->psk_set = params->psk_set; |
911 | if (ssid->psk_set) | |
912 | os_memcpy(ssid->psk, params->psk, sizeof(ssid->psk)); | |
6350a148 | 913 | else if (ssid->passphrase) |
30c371e8 | 914 | wpa_config_update_psk(ssid); |
462a7439 | 915 | ssid->ap_max_inactivity = wpa_s->parent->conf->p2p_go_max_inactivity; |
b22128ef JM |
916 | |
917 | wpa_s->ap_configured_cb = p2p_go_configured; | |
918 | wpa_s->ap_configured_cb_ctx = wpa_s; | |
919 | wpa_s->ap_configured_cb_data = wpa_s->go_params; | |
7dcdcfd6 | 920 | wpa_s->connect_without_scan = ssid; |
b22128ef JM |
921 | wpa_s->reassociate = 1; |
922 | wpa_s->disconnected = 0; | |
ac06fb12 JM |
923 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Request scan (that will be skipped) to " |
924 | "start GO)"); | |
b22128ef JM |
925 | wpa_supplicant_req_scan(wpa_s, 0, 0); |
926 | } | |
927 | ||
928 | ||
929 | static void wpas_p2p_clone_config(struct wpa_supplicant *dst, | |
930 | const struct wpa_supplicant *src) | |
931 | { | |
932 | struct wpa_config *d; | |
933 | const struct wpa_config *s; | |
934 | ||
935 | d = dst->conf; | |
936 | s = src->conf; | |
937 | ||
938 | #define C(n) if (s->n) d->n = os_strdup(s->n) | |
939 | C(device_name); | |
940 | C(manufacturer); | |
941 | C(model_name); | |
942 | C(model_number); | |
943 | C(serial_number); | |
b22128ef JM |
944 | C(config_methods); |
945 | #undef C | |
3071e181 | 946 | |
2f646b6e JB |
947 | os_memcpy(d->device_type, s->device_type, WPS_DEV_TYPE_LEN); |
948 | os_memcpy(d->sec_device_type, s->sec_device_type, | |
949 | sizeof(d->sec_device_type)); | |
950 | d->num_sec_device_types = s->num_sec_device_types; | |
951 | ||
3071e181 | 952 | d->p2p_group_idle = s->p2p_group_idle; |
b029bd33 | 953 | d->p2p_intra_bss = s->p2p_intra_bss; |
acc247b2 | 954 | d->persistent_reconnect = s->persistent_reconnect; |
f571b593 | 955 | d->max_num_sta = s->max_num_sta; |
1298c145 | 956 | d->pbc_in_m1 = s->pbc_in_m1; |
b22128ef JM |
957 | } |
958 | ||
959 | ||
960 | static int wpas_p2p_add_group_interface(struct wpa_supplicant *wpa_s, | |
961 | enum wpa_driver_if_type type) | |
962 | { | |
963 | char ifname[120], force_ifname[120]; | |
964 | ||
965 | if (wpa_s->pending_interface_name[0]) { | |
966 | wpa_printf(MSG_DEBUG, "P2P: Pending virtual interface exists " | |
967 | "- skip creation of a new one"); | |
968 | if (is_zero_ether_addr(wpa_s->pending_interface_addr)) { | |
969 | wpa_printf(MSG_DEBUG, "P2P: Pending virtual address " | |
970 | "unknown?! ifname='%s'", | |
971 | wpa_s->pending_interface_name); | |
972 | return -1; | |
973 | } | |
974 | return 0; | |
975 | } | |
976 | ||
a1eca5cf | 977 | os_snprintf(ifname, sizeof(ifname), "p2p-%s-%d", wpa_s->ifname, |
b22128ef | 978 | wpa_s->p2p_group_idx); |
a1eca5cf JM |
979 | if (os_strlen(ifname) >= IFNAMSIZ && |
980 | os_strlen(wpa_s->ifname) < IFNAMSIZ) { | |
981 | /* Try to avoid going over the IFNAMSIZ length limit */ | |
982 | os_snprintf(ifname, sizeof(ifname), "p2p-%d", | |
983 | wpa_s->p2p_group_idx); | |
984 | } | |
b22128ef JM |
985 | force_ifname[0] = '\0'; |
986 | ||
987 | wpa_printf(MSG_DEBUG, "P2P: Create a new interface %s for the group", | |
988 | ifname); | |
989 | wpa_s->p2p_group_idx++; | |
990 | ||
991 | wpa_s->pending_interface_type = type; | |
992 | if (wpa_drv_if_add(wpa_s, type, ifname, NULL, NULL, force_ifname, | |
e17a2477 | 993 | wpa_s->pending_interface_addr, NULL) < 0) { |
b22128ef JM |
994 | wpa_printf(MSG_ERROR, "P2P: Failed to create new group " |
995 | "interface"); | |
996 | return -1; | |
997 | } | |
998 | ||
999 | if (force_ifname[0]) { | |
1000 | wpa_printf(MSG_DEBUG, "P2P: Driver forced interface name %s", | |
1001 | force_ifname); | |
1002 | os_strlcpy(wpa_s->pending_interface_name, force_ifname, | |
1003 | sizeof(wpa_s->pending_interface_name)); | |
1004 | } else | |
1005 | os_strlcpy(wpa_s->pending_interface_name, ifname, | |
1006 | sizeof(wpa_s->pending_interface_name)); | |
1007 | wpa_printf(MSG_DEBUG, "P2P: Created pending virtual interface %s addr " | |
1008 | MACSTR, wpa_s->pending_interface_name, | |
1009 | MAC2STR(wpa_s->pending_interface_addr)); | |
1010 | ||
1011 | return 0; | |
1012 | } | |
1013 | ||
1014 | ||
1015 | static void wpas_p2p_remove_pending_group_interface( | |
1016 | struct wpa_supplicant *wpa_s) | |
1017 | { | |
1018 | if (!wpa_s->pending_interface_name[0] || | |
1019 | is_zero_ether_addr(wpa_s->pending_interface_addr)) | |
1020 | return; /* No pending virtual interface */ | |
1021 | ||
1022 | wpa_printf(MSG_DEBUG, "P2P: Removing pending group interface %s", | |
1023 | wpa_s->pending_interface_name); | |
1024 | wpa_drv_if_remove(wpa_s, wpa_s->pending_interface_type, | |
1025 | wpa_s->pending_interface_name); | |
1026 | os_memset(wpa_s->pending_interface_addr, 0, ETH_ALEN); | |
1027 | wpa_s->pending_interface_name[0] = '\0'; | |
1028 | } | |
1029 | ||
1030 | ||
1031 | static struct wpa_supplicant * | |
1032 | wpas_p2p_init_group_interface(struct wpa_supplicant *wpa_s, int go) | |
1033 | { | |
1034 | struct wpa_interface iface; | |
1035 | struct wpa_supplicant *group_wpa_s; | |
1036 | ||
1037 | if (!wpa_s->pending_interface_name[0]) { | |
1038 | wpa_printf(MSG_ERROR, "P2P: No pending group interface"); | |
d75e8806 JM |
1039 | if (!wpas_p2p_create_iface(wpa_s)) |
1040 | return NULL; | |
1041 | /* | |
1042 | * Something has forced us to remove the pending interface; try | |
1043 | * to create a new one and hope for the best that we will get | |
1044 | * the same local address. | |
1045 | */ | |
1046 | if (wpas_p2p_add_group_interface(wpa_s, go ? WPA_IF_P2P_GO : | |
1047 | WPA_IF_P2P_CLIENT) < 0) | |
1048 | return NULL; | |
b22128ef JM |
1049 | } |
1050 | ||
1051 | os_memset(&iface, 0, sizeof(iface)); | |
1052 | iface.ifname = wpa_s->pending_interface_name; | |
1053 | iface.driver = wpa_s->driver->name; | |
1054 | iface.ctrl_interface = wpa_s->conf->ctrl_interface; | |
1055 | iface.driver_param = wpa_s->conf->driver_param; | |
1056 | group_wpa_s = wpa_supplicant_add_iface(wpa_s->global, &iface); | |
1057 | if (group_wpa_s == NULL) { | |
1058 | wpa_printf(MSG_ERROR, "P2P: Failed to create new " | |
1059 | "wpa_supplicant interface"); | |
1060 | return NULL; | |
1061 | } | |
1062 | wpa_s->pending_interface_name[0] = '\0'; | |
1063 | group_wpa_s->parent = wpa_s; | |
1064 | group_wpa_s->p2p_group_interface = go ? P2P_GROUP_INTERFACE_GO : | |
1065 | P2P_GROUP_INTERFACE_CLIENT; | |
1066 | wpa_s->global->p2p_group_formation = group_wpa_s; | |
1067 | ||
1068 | wpas_p2p_clone_config(group_wpa_s, wpa_s); | |
1069 | ||
1070 | return group_wpa_s; | |
1071 | } | |
1072 | ||
1073 | ||
1074 | static void wpas_p2p_group_formation_timeout(void *eloop_ctx, | |
1075 | void *timeout_ctx) | |
1076 | { | |
1077 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
1078 | wpa_printf(MSG_DEBUG, "P2P: Group Formation timed out"); | |
1079 | if (wpa_s->global->p2p) | |
1080 | p2p_group_formation_failed(wpa_s->global->p2p); | |
3ac17eba JM |
1081 | else if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
1082 | wpa_drv_p2p_group_formation_failed(wpa_s); | |
b22128ef JM |
1083 | wpas_group_formation_completed(wpa_s, 0); |
1084 | } | |
1085 | ||
1086 | ||
1087 | void wpas_go_neg_completed(void *ctx, struct p2p_go_neg_results *res) | |
1088 | { | |
1089 | struct wpa_supplicant *wpa_s = ctx; | |
1090 | ||
8eada5ca | 1091 | if (wpa_s->off_channel_freq || wpa_s->roc_waiting_drv_freq) { |
b22128ef JM |
1092 | wpa_drv_cancel_remain_on_channel(wpa_s); |
1093 | wpa_s->off_channel_freq = 0; | |
07a30a66 | 1094 | wpa_s->roc_waiting_drv_freq = 0; |
b22128ef JM |
1095 | } |
1096 | ||
1097 | if (res->status) { | |
1098 | wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_GO_NEG_FAILURE "status=%d", | |
1099 | res->status); | |
e5a359cf | 1100 | wpas_notify_p2p_go_neg_completed(wpa_s, res); |
b22128ef JM |
1101 | wpas_p2p_remove_pending_group_interface(wpa_s); |
1102 | return; | |
1103 | } | |
1104 | ||
e2308e4b RM |
1105 | if (wpa_s->p2p_go_ht40) |
1106 | res->ht40 = 1; | |
1107 | ||
b22128ef | 1108 | wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_GO_NEG_SUCCESS); |
e5a359cf | 1109 | wpas_notify_p2p_go_neg_completed(wpa_s, res); |
b22128ef | 1110 | |
23c84252 JM |
1111 | if (res->role_go && wpa_s->p2p_persistent_id >= 0) { |
1112 | struct wpa_ssid *ssid; | |
1113 | ssid = wpa_config_get_network(wpa_s->conf, | |
1114 | wpa_s->p2p_persistent_id); | |
1115 | if (ssid && ssid->disabled == 2 && | |
1116 | ssid->mode == WPAS_MODE_P2P_GO && ssid->passphrase) { | |
1117 | size_t len = os_strlen(ssid->passphrase); | |
1118 | wpa_printf(MSG_DEBUG, "P2P: Override passphrase based " | |
1119 | "on requested persistent group"); | |
1120 | os_memcpy(res->passphrase, ssid->passphrase, len); | |
1121 | res->passphrase[len] = '\0'; | |
1122 | } | |
1123 | } | |
1124 | ||
b22128ef JM |
1125 | if (wpa_s->create_p2p_iface) { |
1126 | struct wpa_supplicant *group_wpa_s = | |
1127 | wpas_p2p_init_group_interface(wpa_s, res->role_go); | |
1128 | if (group_wpa_s == NULL) { | |
1129 | wpas_p2p_remove_pending_group_interface(wpa_s); | |
1130 | return; | |
1131 | } | |
3c5126a4 | 1132 | if (group_wpa_s != wpa_s) { |
b22128ef JM |
1133 | os_memcpy(group_wpa_s->p2p_pin, wpa_s->p2p_pin, |
1134 | sizeof(group_wpa_s->p2p_pin)); | |
3c5126a4 JM |
1135 | group_wpa_s->p2p_wps_method = wpa_s->p2p_wps_method; |
1136 | } | |
b22128ef JM |
1137 | os_memset(wpa_s->pending_interface_addr, 0, ETH_ALEN); |
1138 | wpa_s->pending_interface_name[0] = '\0'; | |
1139 | group_wpa_s->p2p_in_provisioning = 1; | |
1140 | ||
1141 | if (res->role_go) | |
1142 | wpas_start_wps_go(group_wpa_s, res, 1); | |
1143 | else | |
1144 | wpas_start_wps_enrollee(group_wpa_s, res); | |
1145 | } else { | |
1146 | wpa_s->p2p_in_provisioning = 1; | |
1147 | wpa_s->global->p2p_group_formation = wpa_s; | |
1148 | ||
1149 | if (res->role_go) | |
1150 | wpas_start_wps_go(wpa_s, res, 1); | |
1151 | else | |
1152 | wpas_start_wps_enrollee(ctx, res); | |
1153 | } | |
1154 | ||
1155 | wpa_s->p2p_long_listen = 0; | |
1156 | eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL); | |
1157 | ||
1158 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL); | |
ae3e3421 JM |
1159 | eloop_register_timeout(15 + res->peer_config_timeout / 100, |
1160 | (res->peer_config_timeout % 100) * 10000, | |
1161 | wpas_p2p_group_formation_timeout, wpa_s, NULL); | |
b22128ef JM |
1162 | } |
1163 | ||
1164 | ||
3dfda83d | 1165 | void wpas_go_neg_req_rx(void *ctx, const u8 *src, u16 dev_passwd_id) |
b22128ef JM |
1166 | { |
1167 | struct wpa_supplicant *wpa_s = ctx; | |
3dfda83d JM |
1168 | wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_GO_NEG_REQUEST MACSTR |
1169 | " dev_passwd_id=%u", MAC2STR(src), dev_passwd_id); | |
32d1bce0 KRK |
1170 | |
1171 | wpas_notify_p2p_go_neg_req(wpa_s, src, dev_passwd_id); | |
b22128ef JM |
1172 | } |
1173 | ||
1174 | ||
c5db8e51 | 1175 | void wpas_dev_found(void *ctx, const u8 *addr, |
8fd7dc1b JB |
1176 | const struct p2p_peer_info *info, |
1177 | int new_device) | |
b22128ef | 1178 | { |
5506d184 | 1179 | #ifndef CONFIG_NO_STDOUT_DEBUG |
b22128ef JM |
1180 | struct wpa_supplicant *wpa_s = ctx; |
1181 | char devtype[WPS_DEV_TYPE_BUFSIZE]; | |
c5db8e51 | 1182 | |
b22128ef JM |
1183 | wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_DEVICE_FOUND MACSTR |
1184 | " p2p_dev_addr=" MACSTR | |
1185 | " pri_dev_type=%s name='%s' config_methods=0x%x " | |
1186 | "dev_capab=0x%x group_capab=0x%x", | |
c5db8e51 KRK |
1187 | MAC2STR(addr), MAC2STR(info->p2p_device_addr), |
1188 | wps_dev_type_bin2str(info->pri_dev_type, devtype, | |
1189 | sizeof(devtype)), | |
1190 | info->device_name, info->config_methods, | |
1191 | info->dev_capab, info->group_capab); | |
5506d184 | 1192 | #endif /* CONFIG_NO_STDOUT_DEBUG */ |
d642d2d2 JB |
1193 | |
1194 | wpas_notify_p2p_device_found(ctx, info->p2p_device_addr, new_device); | |
b22128ef JM |
1195 | } |
1196 | ||
1197 | ||
56eeb8f2 JB |
1198 | static void wpas_dev_lost(void *ctx, const u8 *dev_addr) |
1199 | { | |
1200 | struct wpa_supplicant *wpa_s = ctx; | |
1201 | ||
3074d8f1 JJ |
1202 | wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_DEVICE_LOST |
1203 | "p2p_dev_addr=" MACSTR, MAC2STR(dev_addr)); | |
1204 | ||
56eeb8f2 JB |
1205 | wpas_notify_p2p_device_lost(wpa_s, dev_addr); |
1206 | } | |
1207 | ||
1208 | ||
b22128ef JM |
1209 | static int wpas_start_listen(void *ctx, unsigned int freq, |
1210 | unsigned int duration, | |
1211 | const struct wpabuf *probe_resp_ie) | |
1212 | { | |
1213 | struct wpa_supplicant *wpa_s = ctx; | |
1214 | ||
0e2e565a | 1215 | wpa_drv_set_ap_wps_ie(wpa_s, NULL, probe_resp_ie, NULL); |
b22128ef JM |
1216 | |
1217 | if (wpa_drv_probe_req_report(wpa_s, 1) < 0) { | |
1218 | wpa_printf(MSG_DEBUG, "P2P: Failed to request the driver to " | |
1219 | "report received Probe Request frames"); | |
1220 | return -1; | |
1221 | } | |
1222 | ||
1223 | wpa_s->pending_listen_freq = freq; | |
1224 | wpa_s->pending_listen_duration = duration; | |
1225 | ||
1226 | if (wpa_drv_remain_on_channel(wpa_s, freq, duration) < 0) { | |
1227 | wpa_printf(MSG_DEBUG, "P2P: Failed to request the driver " | |
1228 | "to remain on channel (%u MHz) for Listen " | |
1229 | "state", freq); | |
1230 | wpa_s->pending_listen_freq = 0; | |
1231 | return -1; | |
1232 | } | |
09d660b9 | 1233 | wpa_s->off_channel_freq = 0; |
07a30a66 | 1234 | wpa_s->roc_waiting_drv_freq = freq; |
b22128ef JM |
1235 | |
1236 | return 0; | |
1237 | } | |
1238 | ||
1239 | ||
1240 | static void wpas_stop_listen(void *ctx) | |
1241 | { | |
1242 | struct wpa_supplicant *wpa_s = ctx; | |
6cb22d2f | 1243 | if (wpa_s->off_channel_freq || wpa_s->roc_waiting_drv_freq) { |
b22128ef JM |
1244 | wpa_drv_cancel_remain_on_channel(wpa_s); |
1245 | wpa_s->off_channel_freq = 0; | |
07a30a66 | 1246 | wpa_s->roc_waiting_drv_freq = 0; |
b22128ef | 1247 | } |
839b33ad | 1248 | wpa_drv_set_ap_wps_ie(wpa_s, NULL, NULL, NULL); |
b22128ef JM |
1249 | wpa_drv_probe_req_report(wpa_s, 0); |
1250 | } | |
1251 | ||
1252 | ||
1253 | static int wpas_send_probe_resp(void *ctx, const struct wpabuf *buf) | |
1254 | { | |
1255 | struct wpa_supplicant *wpa_s = ctx; | |
9dbf53fe | 1256 | return wpa_drv_send_mlme(wpa_s, wpabuf_head(buf), wpabuf_len(buf), 1); |
b22128ef JM |
1257 | } |
1258 | ||
1259 | ||
8c9ad085 JM |
1260 | /* |
1261 | * DNS Header section is used only to calculate compression pointers, so the | |
1262 | * contents of this data does not matter, but the length needs to be reserved | |
1263 | * in the virtual packet. | |
1264 | */ | |
1265 | #define DNS_HEADER_LEN 12 | |
1266 | ||
1267 | /* | |
1268 | * 27-octet in-memory packet from P2P specification containing two implied | |
1269 | * queries for _tcp.lcoal. PTR IN and _udp.local. PTR IN | |
1270 | */ | |
1271 | #define P2P_SD_IN_MEMORY_LEN 27 | |
1272 | ||
1273 | static int p2p_sd_dns_uncompress_label(char **upos, char *uend, u8 *start, | |
1274 | u8 **spos, const u8 *end) | |
1275 | { | |
1276 | while (*spos < end) { | |
1277 | u8 val = ((*spos)[0] & 0xc0) >> 6; | |
1278 | int len; | |
1279 | ||
1280 | if (val == 1 || val == 2) { | |
1281 | /* These are reserved values in RFC 1035 */ | |
1282 | wpa_printf(MSG_DEBUG, "P2P: Invalid domain name " | |
1283 | "sequence starting with 0x%x", val); | |
1284 | return -1; | |
1285 | } | |
1286 | ||
1287 | if (val == 3) { | |
1288 | u16 offset; | |
1289 | u8 *spos_tmp; | |
1290 | ||
1291 | /* Offset */ | |
1292 | if (*spos + 2 > end) { | |
1293 | wpa_printf(MSG_DEBUG, "P2P: No room for full " | |
1294 | "DNS offset field"); | |
1295 | return -1; | |
1296 | } | |
1297 | ||
1298 | offset = (((*spos)[0] & 0x3f) << 8) | (*spos)[1]; | |
1299 | if (offset >= *spos - start) { | |
1300 | wpa_printf(MSG_DEBUG, "P2P: Invalid DNS " | |
1301 | "pointer offset %u", offset); | |
1302 | return -1; | |
1303 | } | |
1304 | ||
1305 | (*spos) += 2; | |
1306 | spos_tmp = start + offset; | |
1307 | return p2p_sd_dns_uncompress_label(upos, uend, start, | |
1308 | &spos_tmp, | |
1309 | *spos - 2); | |
1310 | } | |
1311 | ||
1312 | /* Label */ | |
1313 | len = (*spos)[0] & 0x3f; | |
1314 | if (len == 0) | |
1315 | return 0; | |
1316 | ||
1317 | (*spos)++; | |
1318 | if (*spos + len > end) { | |
1319 | wpa_printf(MSG_DEBUG, "P2P: Invalid domain name " | |
1320 | "sequence - no room for label with length " | |
1321 | "%u", len); | |
1322 | return -1; | |
1323 | } | |
1324 | ||
1325 | if (*upos + len + 2 > uend) | |
1326 | return -2; | |
1327 | ||
1328 | os_memcpy(*upos, *spos, len); | |
1329 | *spos += len; | |
1330 | *upos += len; | |
1331 | (*upos)[0] = '.'; | |
1332 | (*upos)++; | |
1333 | (*upos)[0] = '\0'; | |
1334 | } | |
1335 | ||
1336 | return 0; | |
1337 | } | |
1338 | ||
1339 | ||
1340 | /* Uncompress domain names per RFC 1035 using the P2P SD in-memory packet. | |
1341 | * Returns -1 on parsing error (invalid input sequence), -2 if output buffer is | |
1342 | * not large enough */ | |
1343 | static int p2p_sd_dns_uncompress(char *buf, size_t buf_len, const u8 *msg, | |
1344 | size_t msg_len, size_t offset) | |
1345 | { | |
1346 | /* 27-octet in-memory packet from P2P specification */ | |
1347 | const char *prefix = "\x04_tcp\x05local\x00\x00\x0C\x00\x01" | |
1348 | "\x04_udp\xC0\x11\x00\x0C\x00\x01"; | |
1349 | u8 *tmp, *end, *spos; | |
1350 | char *upos, *uend; | |
1351 | int ret = 0; | |
1352 | ||
1353 | if (buf_len < 2) | |
1354 | return -1; | |
1355 | if (offset > msg_len) | |
1356 | return -1; | |
1357 | ||
1358 | tmp = os_malloc(DNS_HEADER_LEN + P2P_SD_IN_MEMORY_LEN + msg_len); | |
1359 | if (tmp == NULL) | |
1360 | return -1; | |
1361 | spos = tmp + DNS_HEADER_LEN + P2P_SD_IN_MEMORY_LEN; | |
1362 | end = spos + msg_len; | |
1363 | spos += offset; | |
1364 | ||
1365 | os_memset(tmp, 0, DNS_HEADER_LEN); | |
1366 | os_memcpy(tmp + DNS_HEADER_LEN, prefix, P2P_SD_IN_MEMORY_LEN); | |
1367 | os_memcpy(tmp + DNS_HEADER_LEN + P2P_SD_IN_MEMORY_LEN, msg, msg_len); | |
1368 | ||
1369 | upos = buf; | |
1370 | uend = buf + buf_len; | |
1371 | ||
1372 | ret = p2p_sd_dns_uncompress_label(&upos, uend, tmp, &spos, end); | |
1373 | if (ret) { | |
1374 | os_free(tmp); | |
1375 | return ret; | |
1376 | } | |
1377 | ||
1378 | if (upos == buf) { | |
1379 | upos[0] = '.'; | |
1380 | upos[1] = '\0'; | |
1381 | } else if (upos[-1] == '.') | |
1382 | upos[-1] = '\0'; | |
1383 | ||
1384 | os_free(tmp); | |
1385 | return 0; | |
1386 | } | |
1387 | ||
1388 | ||
b22128ef JM |
1389 | static struct p2p_srv_bonjour * |
1390 | wpas_p2p_service_get_bonjour(struct wpa_supplicant *wpa_s, | |
1391 | const struct wpabuf *query) | |
1392 | { | |
1393 | struct p2p_srv_bonjour *bsrv; | |
1394 | size_t len; | |
1395 | ||
1396 | len = wpabuf_len(query); | |
1397 | dl_list_for_each(bsrv, &wpa_s->global->p2p_srv_bonjour, | |
1398 | struct p2p_srv_bonjour, list) { | |
1399 | if (len == wpabuf_len(bsrv->query) && | |
1400 | os_memcmp(wpabuf_head(query), wpabuf_head(bsrv->query), | |
1401 | len) == 0) | |
1402 | return bsrv; | |
1403 | } | |
1404 | return NULL; | |
1405 | } | |
1406 | ||
1407 | ||
1408 | static struct p2p_srv_upnp * | |
1409 | wpas_p2p_service_get_upnp(struct wpa_supplicant *wpa_s, u8 version, | |
1410 | const char *service) | |
1411 | { | |
1412 | struct p2p_srv_upnp *usrv; | |
1413 | ||
1414 | dl_list_for_each(usrv, &wpa_s->global->p2p_srv_upnp, | |
1415 | struct p2p_srv_upnp, list) { | |
1416 | if (version == usrv->version && | |
1417 | os_strcmp(service, usrv->service) == 0) | |
1418 | return usrv; | |
1419 | } | |
1420 | return NULL; | |
1421 | } | |
1422 | ||
1423 | ||
1424 | static void wpas_sd_add_proto_not_avail(struct wpabuf *resp, u8 srv_proto, | |
1425 | u8 srv_trans_id) | |
1426 | { | |
1427 | u8 *len_pos; | |
1428 | ||
1429 | if (wpabuf_tailroom(resp) < 5) | |
1430 | return; | |
1431 | ||
1432 | /* Length (to be filled) */ | |
1433 | len_pos = wpabuf_put(resp, 2); | |
1434 | wpabuf_put_u8(resp, srv_proto); | |
1435 | wpabuf_put_u8(resp, srv_trans_id); | |
1436 | /* Status Code */ | |
1437 | wpabuf_put_u8(resp, P2P_SD_PROTO_NOT_AVAILABLE); | |
1438 | /* Response Data: empty */ | |
1439 | WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2); | |
1440 | } | |
1441 | ||
1442 | ||
1443 | static void wpas_sd_all_bonjour(struct wpa_supplicant *wpa_s, | |
1444 | struct wpabuf *resp, u8 srv_trans_id) | |
1445 | { | |
1446 | struct p2p_srv_bonjour *bsrv; | |
1447 | u8 *len_pos; | |
1448 | ||
1449 | wpa_printf(MSG_DEBUG, "P2P: SD Request for all Bonjour services"); | |
1450 | ||
1451 | if (dl_list_empty(&wpa_s->global->p2p_srv_bonjour)) { | |
1452 | wpa_printf(MSG_DEBUG, "P2P: Bonjour protocol not available"); | |
1453 | return; | |
1454 | } | |
1455 | ||
1456 | dl_list_for_each(bsrv, &wpa_s->global->p2p_srv_bonjour, | |
1457 | struct p2p_srv_bonjour, list) { | |
1458 | if (wpabuf_tailroom(resp) < | |
1459 | 5 + wpabuf_len(bsrv->query) + wpabuf_len(bsrv->resp)) | |
1460 | return; | |
1461 | /* Length (to be filled) */ | |
1462 | len_pos = wpabuf_put(resp, 2); | |
1463 | wpabuf_put_u8(resp, P2P_SERV_BONJOUR); | |
1464 | wpabuf_put_u8(resp, srv_trans_id); | |
1465 | /* Status Code */ | |
1466 | wpabuf_put_u8(resp, P2P_SD_SUCCESS); | |
1467 | wpa_hexdump_ascii(MSG_DEBUG, "P2P: Matching Bonjour service", | |
1468 | wpabuf_head(bsrv->resp), | |
1469 | wpabuf_len(bsrv->resp)); | |
1470 | /* Response Data */ | |
1471 | wpabuf_put_buf(resp, bsrv->query); /* Key */ | |
1472 | wpabuf_put_buf(resp, bsrv->resp); /* Value */ | |
1473 | WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - | |
1474 | 2); | |
1475 | } | |
1476 | } | |
1477 | ||
1478 | ||
8c9ad085 JM |
1479 | static int match_bonjour_query(struct p2p_srv_bonjour *bsrv, const u8 *query, |
1480 | size_t query_len) | |
1481 | { | |
1482 | char str_rx[256], str_srv[256]; | |
1483 | ||
1484 | if (query_len < 3 || wpabuf_len(bsrv->query) < 3) | |
1485 | return 0; /* Too short to include DNS Type and Version */ | |
1486 | if (os_memcmp(query + query_len - 3, | |
1487 | wpabuf_head_u8(bsrv->query) + wpabuf_len(bsrv->query) - 3, | |
1488 | 3) != 0) | |
1489 | return 0; /* Mismatch in DNS Type or Version */ | |
1490 | if (query_len == wpabuf_len(bsrv->query) && | |
1491 | os_memcmp(query, wpabuf_head(bsrv->query), query_len - 3) == 0) | |
1492 | return 1; /* Binary match */ | |
1493 | ||
1494 | if (p2p_sd_dns_uncompress(str_rx, sizeof(str_rx), query, query_len - 3, | |
1495 | 0)) | |
1496 | return 0; /* Failed to uncompress query */ | |
1497 | if (p2p_sd_dns_uncompress(str_srv, sizeof(str_srv), | |
1498 | wpabuf_head(bsrv->query), | |
1499 | wpabuf_len(bsrv->query) - 3, 0)) | |
1500 | return 0; /* Failed to uncompress service */ | |
1501 | ||
1502 | return os_strcmp(str_rx, str_srv) == 0; | |
1503 | } | |
1504 | ||
1505 | ||
b22128ef JM |
1506 | static void wpas_sd_req_bonjour(struct wpa_supplicant *wpa_s, |
1507 | struct wpabuf *resp, u8 srv_trans_id, | |
1508 | const u8 *query, size_t query_len) | |
1509 | { | |
1510 | struct p2p_srv_bonjour *bsrv; | |
b22128ef | 1511 | u8 *len_pos; |
560f8bda | 1512 | int matches = 0; |
b22128ef JM |
1513 | |
1514 | wpa_hexdump_ascii(MSG_DEBUG, "P2P: SD Request for Bonjour", | |
1515 | query, query_len); | |
1516 | if (dl_list_empty(&wpa_s->global->p2p_srv_bonjour)) { | |
1517 | wpa_printf(MSG_DEBUG, "P2P: Bonjour protocol not available"); | |
1518 | wpas_sd_add_proto_not_avail(resp, P2P_SERV_BONJOUR, | |
1519 | srv_trans_id); | |
1520 | return; | |
1521 | } | |
1522 | ||
1523 | if (query_len == 0) { | |
1524 | wpas_sd_all_bonjour(wpa_s, resp, srv_trans_id); | |
1525 | return; | |
1526 | } | |
1527 | ||
560f8bda JM |
1528 | dl_list_for_each(bsrv, &wpa_s->global->p2p_srv_bonjour, |
1529 | struct p2p_srv_bonjour, list) { | |
8c9ad085 | 1530 | if (!match_bonjour_query(bsrv, query, query_len)) |
560f8bda JM |
1531 | continue; |
1532 | ||
1533 | if (wpabuf_tailroom(resp) < | |
1534 | 5 + query_len + wpabuf_len(bsrv->resp)) | |
1535 | return; | |
1536 | ||
1537 | matches++; | |
b22128ef | 1538 | |
560f8bda JM |
1539 | /* Length (to be filled) */ |
1540 | len_pos = wpabuf_put(resp, 2); | |
1541 | wpabuf_put_u8(resp, P2P_SERV_BONJOUR); | |
1542 | wpabuf_put_u8(resp, srv_trans_id); | |
1543 | ||
1544 | /* Status Code */ | |
1545 | wpabuf_put_u8(resp, P2P_SD_SUCCESS); | |
1546 | wpa_hexdump_ascii(MSG_DEBUG, "P2P: Matching Bonjour service", | |
1547 | wpabuf_head(bsrv->resp), | |
1548 | wpabuf_len(bsrv->resp)); | |
1549 | ||
1550 | /* Response Data */ | |
1551 | wpabuf_put_data(resp, query, query_len); /* Key */ | |
1552 | wpabuf_put_buf(resp, bsrv->resp); /* Value */ | |
1553 | ||
1554 | WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2); | |
1555 | } | |
1556 | ||
1557 | if (matches == 0) { | |
b22128ef JM |
1558 | wpa_printf(MSG_DEBUG, "P2P: Requested Bonjour service not " |
1559 | "available"); | |
560f8bda JM |
1560 | if (wpabuf_tailroom(resp) < 5) |
1561 | return; | |
1562 | ||
1563 | /* Length (to be filled) */ | |
1564 | len_pos = wpabuf_put(resp, 2); | |
1565 | wpabuf_put_u8(resp, P2P_SERV_BONJOUR); | |
1566 | wpabuf_put_u8(resp, srv_trans_id); | |
b22128ef JM |
1567 | |
1568 | /* Status Code */ | |
bf608cad | 1569 | wpabuf_put_u8(resp, P2P_SD_REQUESTED_INFO_NOT_AVAILABLE); |
b22128ef JM |
1570 | /* Response Data: empty */ |
1571 | WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - | |
1572 | 2); | |
b22128ef | 1573 | } |
b22128ef JM |
1574 | } |
1575 | ||
1576 | ||
1577 | static void wpas_sd_all_upnp(struct wpa_supplicant *wpa_s, | |
1578 | struct wpabuf *resp, u8 srv_trans_id) | |
1579 | { | |
1580 | struct p2p_srv_upnp *usrv; | |
1581 | u8 *len_pos; | |
1582 | ||
1583 | wpa_printf(MSG_DEBUG, "P2P: SD Request for all UPnP services"); | |
1584 | ||
1585 | if (dl_list_empty(&wpa_s->global->p2p_srv_upnp)) { | |
1586 | wpa_printf(MSG_DEBUG, "P2P: UPnP protocol not available"); | |
1587 | return; | |
1588 | } | |
1589 | ||
1590 | dl_list_for_each(usrv, &wpa_s->global->p2p_srv_upnp, | |
1591 | struct p2p_srv_upnp, list) { | |
1592 | if (wpabuf_tailroom(resp) < 5 + 1 + os_strlen(usrv->service)) | |
1593 | return; | |
1594 | ||
1595 | /* Length (to be filled) */ | |
1596 | len_pos = wpabuf_put(resp, 2); | |
1597 | wpabuf_put_u8(resp, P2P_SERV_UPNP); | |
1598 | wpabuf_put_u8(resp, srv_trans_id); | |
1599 | ||
1600 | /* Status Code */ | |
1601 | wpabuf_put_u8(resp, P2P_SD_SUCCESS); | |
1602 | /* Response Data */ | |
1603 | wpabuf_put_u8(resp, usrv->version); | |
1604 | wpa_printf(MSG_DEBUG, "P2P: Matching UPnP Service: %s", | |
1605 | usrv->service); | |
1606 | wpabuf_put_str(resp, usrv->service); | |
1607 | WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - | |
1608 | 2); | |
1609 | } | |
1610 | } | |
1611 | ||
1612 | ||
1613 | static void wpas_sd_req_upnp(struct wpa_supplicant *wpa_s, | |
1614 | struct wpabuf *resp, u8 srv_trans_id, | |
1615 | const u8 *query, size_t query_len) | |
1616 | { | |
1617 | struct p2p_srv_upnp *usrv; | |
1618 | u8 *len_pos; | |
1619 | u8 version; | |
1620 | char *str; | |
1621 | int count = 0; | |
1622 | ||
1623 | wpa_hexdump_ascii(MSG_DEBUG, "P2P: SD Request for UPnP", | |
1624 | query, query_len); | |
1625 | ||
1626 | if (dl_list_empty(&wpa_s->global->p2p_srv_upnp)) { | |
1627 | wpa_printf(MSG_DEBUG, "P2P: UPnP protocol not available"); | |
1628 | wpas_sd_add_proto_not_avail(resp, P2P_SERV_UPNP, | |
1629 | srv_trans_id); | |
1630 | return; | |
1631 | } | |
1632 | ||
1633 | if (query_len == 0) { | |
1634 | wpas_sd_all_upnp(wpa_s, resp, srv_trans_id); | |
1635 | return; | |
1636 | } | |
1637 | ||
b22128ef JM |
1638 | if (wpabuf_tailroom(resp) < 5) |
1639 | return; | |
1640 | ||
1641 | /* Length (to be filled) */ | |
1642 | len_pos = wpabuf_put(resp, 2); | |
1643 | wpabuf_put_u8(resp, P2P_SERV_UPNP); | |
1644 | wpabuf_put_u8(resp, srv_trans_id); | |
1645 | ||
79222cfa JM |
1646 | version = query[0]; |
1647 | str = os_malloc(query_len); | |
1648 | if (str == NULL) | |
1649 | return; | |
1650 | os_memcpy(str, query + 1, query_len - 1); | |
1651 | str[query_len - 1] = '\0'; | |
1652 | ||
b22128ef JM |
1653 | dl_list_for_each(usrv, &wpa_s->global->p2p_srv_upnp, |
1654 | struct p2p_srv_upnp, list) { | |
1655 | if (version != usrv->version) | |
1656 | continue; | |
1657 | ||
1658 | if (os_strcmp(str, "ssdp:all") != 0 && | |
1659 | os_strstr(usrv->service, str) == NULL) | |
1660 | continue; | |
1661 | ||
1662 | if (wpabuf_tailroom(resp) < 2) | |
1663 | break; | |
1664 | if (count == 0) { | |
1665 | /* Status Code */ | |
1666 | wpabuf_put_u8(resp, P2P_SD_SUCCESS); | |
1667 | /* Response Data */ | |
1668 | wpabuf_put_u8(resp, version); | |
1669 | } else | |
1670 | wpabuf_put_u8(resp, ','); | |
1671 | ||
1672 | count++; | |
1673 | ||
1674 | wpa_printf(MSG_DEBUG, "P2P: Matching UPnP Service: %s", | |
1675 | usrv->service); | |
1676 | if (wpabuf_tailroom(resp) < os_strlen(usrv->service)) | |
1677 | break; | |
1678 | wpabuf_put_str(resp, usrv->service); | |
1679 | } | |
714b8b53 | 1680 | os_free(str); |
b22128ef JM |
1681 | |
1682 | if (count == 0) { | |
1683 | wpa_printf(MSG_DEBUG, "P2P: Requested UPnP service not " | |
1684 | "available"); | |
1685 | /* Status Code */ | |
bf608cad | 1686 | wpabuf_put_u8(resp, P2P_SD_REQUESTED_INFO_NOT_AVAILABLE); |
b22128ef JM |
1687 | /* Response Data: empty */ |
1688 | } | |
1689 | ||
1690 | WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2); | |
1691 | } | |
1692 | ||
1693 | ||
6ffdc2f7 JM |
1694 | #ifdef CONFIG_WIFI_DISPLAY |
1695 | static void wpas_sd_req_wfd(struct wpa_supplicant *wpa_s, | |
1696 | struct wpabuf *resp, u8 srv_trans_id, | |
1697 | const u8 *query, size_t query_len) | |
1698 | { | |
1699 | const u8 *pos; | |
1700 | u8 role; | |
1701 | u8 *len_pos; | |
1702 | ||
1703 | wpa_hexdump(MSG_DEBUG, "P2P: SD Request for WFD", query, query_len); | |
1704 | ||
1705 | if (!wpa_s->global->wifi_display) { | |
1706 | wpa_printf(MSG_DEBUG, "P2P: WFD protocol not available"); | |
1707 | wpas_sd_add_proto_not_avail(resp, P2P_SERV_WIFI_DISPLAY, | |
1708 | srv_trans_id); | |
1709 | return; | |
1710 | } | |
1711 | ||
1712 | if (query_len < 1) { | |
1713 | wpa_printf(MSG_DEBUG, "P2P: Missing WFD Requested Device " | |
1714 | "Role"); | |
1715 | return; | |
1716 | } | |
1717 | ||
1718 | if (wpabuf_tailroom(resp) < 5) | |
1719 | return; | |
1720 | ||
1721 | pos = query; | |
1722 | role = *pos++; | |
1723 | wpa_printf(MSG_DEBUG, "P2P: WSD for device role 0x%x", role); | |
1724 | ||
1725 | /* TODO: role specific handling */ | |
1726 | ||
1727 | /* Length (to be filled) */ | |
1728 | len_pos = wpabuf_put(resp, 2); | |
1729 | wpabuf_put_u8(resp, P2P_SERV_WIFI_DISPLAY); | |
1730 | wpabuf_put_u8(resp, srv_trans_id); | |
1731 | wpabuf_put_u8(resp, P2P_SD_SUCCESS); /* Status Code */ | |
1732 | ||
1733 | while (pos < query + query_len) { | |
1734 | if (*pos < MAX_WFD_SUBELEMS && | |
1735 | wpa_s->global->wfd_subelem[*pos] && | |
1736 | wpabuf_tailroom(resp) >= | |
1737 | wpabuf_len(wpa_s->global->wfd_subelem[*pos])) { | |
1738 | wpa_printf(MSG_DEBUG, "P2P: Add WSD response " | |
1739 | "subelement %u", *pos); | |
1740 | wpabuf_put_buf(resp, wpa_s->global->wfd_subelem[*pos]); | |
1741 | } | |
1742 | pos++; | |
1743 | } | |
1744 | ||
1745 | WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2); | |
1746 | } | |
1747 | #endif /* CONFIG_WIFI_DISPLAY */ | |
1748 | ||
1749 | ||
b22128ef JM |
1750 | void wpas_sd_request(void *ctx, int freq, const u8 *sa, u8 dialog_token, |
1751 | u16 update_indic, const u8 *tlvs, size_t tlvs_len) | |
1752 | { | |
1753 | struct wpa_supplicant *wpa_s = ctx; | |
1754 | const u8 *pos = tlvs; | |
1755 | const u8 *end = tlvs + tlvs_len; | |
1756 | const u8 *tlv_end; | |
1757 | u16 slen; | |
1758 | struct wpabuf *resp; | |
1759 | u8 srv_proto, srv_trans_id; | |
1760 | size_t buf_len; | |
1761 | char *buf; | |
1762 | ||
1763 | wpa_hexdump(MSG_MSGDUMP, "P2P: Service Discovery Request TLVs", | |
1764 | tlvs, tlvs_len); | |
1765 | buf_len = 2 * tlvs_len + 1; | |
1766 | buf = os_malloc(buf_len); | |
1767 | if (buf) { | |
1768 | wpa_snprintf_hex(buf, buf_len, tlvs, tlvs_len); | |
1769 | wpa_msg_ctrl(wpa_s, MSG_INFO, P2P_EVENT_SERV_DISC_REQ "%d " | |
1770 | MACSTR " %u %u %s", | |
1771 | freq, MAC2STR(sa), dialog_token, update_indic, | |
1772 | buf); | |
1773 | os_free(buf); | |
1774 | } | |
1775 | ||
3b655312 | 1776 | if (wpa_s->p2p_sd_over_ctrl_iface) { |
1777 | wpas_notify_p2p_sd_request(wpa_s, freq, sa, dialog_token, | |
1778 | update_indic, tlvs, tlvs_len); | |
b22128ef | 1779 | return; /* to be processed by an external program */ |
3b655312 | 1780 | } |
b22128ef JM |
1781 | |
1782 | resp = wpabuf_alloc(10000); | |
1783 | if (resp == NULL) | |
1784 | return; | |
1785 | ||
1786 | while (pos + 1 < end) { | |
1787 | wpa_printf(MSG_DEBUG, "P2P: Service Request TLV"); | |
1788 | slen = WPA_GET_LE16(pos); | |
1789 | pos += 2; | |
1790 | if (pos + slen > end || slen < 2) { | |
1791 | wpa_printf(MSG_DEBUG, "P2P: Unexpected Query Data " | |
1792 | "length"); | |
1793 | wpabuf_free(resp); | |
1794 | return; | |
1795 | } | |
1796 | tlv_end = pos + slen; | |
1797 | ||
1798 | srv_proto = *pos++; | |
1799 | wpa_printf(MSG_DEBUG, "P2P: Service Protocol Type %u", | |
1800 | srv_proto); | |
1801 | srv_trans_id = *pos++; | |
1802 | wpa_printf(MSG_DEBUG, "P2P: Service Transaction ID %u", | |
1803 | srv_trans_id); | |
1804 | ||
1805 | wpa_hexdump(MSG_MSGDUMP, "P2P: Query Data", | |
1806 | pos, tlv_end - pos); | |
1807 | ||
6e6963ea JM |
1808 | |
1809 | if (wpa_s->force_long_sd) { | |
1810 | wpa_printf(MSG_DEBUG, "P2P: SD test - force long " | |
1811 | "response"); | |
1812 | wpas_sd_all_bonjour(wpa_s, resp, srv_trans_id); | |
1813 | wpas_sd_all_upnp(wpa_s, resp, srv_trans_id); | |
1814 | goto done; | |
1815 | } | |
1816 | ||
b22128ef JM |
1817 | switch (srv_proto) { |
1818 | case P2P_SERV_ALL_SERVICES: | |
1819 | wpa_printf(MSG_DEBUG, "P2P: Service Discovery Request " | |
1820 | "for all services"); | |
1821 | if (dl_list_empty(&wpa_s->global->p2p_srv_upnp) && | |
1822 | dl_list_empty(&wpa_s->global->p2p_srv_bonjour)) { | |
1823 | wpa_printf(MSG_DEBUG, "P2P: No service " | |
1824 | "discovery protocols available"); | |
1825 | wpas_sd_add_proto_not_avail( | |
1826 | resp, P2P_SERV_ALL_SERVICES, | |
1827 | srv_trans_id); | |
1828 | break; | |
1829 | } | |
1830 | wpas_sd_all_bonjour(wpa_s, resp, srv_trans_id); | |
1831 | wpas_sd_all_upnp(wpa_s, resp, srv_trans_id); | |
1832 | break; | |
1833 | case P2P_SERV_BONJOUR: | |
1834 | wpas_sd_req_bonjour(wpa_s, resp, srv_trans_id, | |
1835 | pos, tlv_end - pos); | |
1836 | break; | |
1837 | case P2P_SERV_UPNP: | |
1838 | wpas_sd_req_upnp(wpa_s, resp, srv_trans_id, | |
1839 | pos, tlv_end - pos); | |
1840 | break; | |
6ffdc2f7 JM |
1841 | #ifdef CONFIG_WIFI_DISPLAY |
1842 | case P2P_SERV_WIFI_DISPLAY: | |
1843 | wpas_sd_req_wfd(wpa_s, resp, srv_trans_id, | |
1844 | pos, tlv_end - pos); | |
1845 | break; | |
1846 | #endif /* CONFIG_WIFI_DISPLAY */ | |
b22128ef JM |
1847 | default: |
1848 | wpa_printf(MSG_DEBUG, "P2P: Unavailable service " | |
1849 | "protocol %u", srv_proto); | |
1850 | wpas_sd_add_proto_not_avail(resp, srv_proto, | |
1851 | srv_trans_id); | |
1852 | break; | |
1853 | } | |
1854 | ||
1855 | pos = tlv_end; | |
1856 | } | |
1857 | ||
6e6963ea | 1858 | done: |
e1653cac KRK |
1859 | wpas_notify_p2p_sd_request(wpa_s, freq, sa, dialog_token, |
1860 | update_indic, tlvs, tlvs_len); | |
1861 | ||
b22128ef JM |
1862 | wpas_p2p_sd_response(wpa_s, freq, sa, dialog_token, resp); |
1863 | ||
1864 | wpabuf_free(resp); | |
1865 | } | |
1866 | ||
1867 | ||
1868 | void wpas_sd_response(void *ctx, const u8 *sa, u16 update_indic, | |
1869 | const u8 *tlvs, size_t tlvs_len) | |
1870 | { | |
1871 | struct wpa_supplicant *wpa_s = ctx; | |
1872 | const u8 *pos = tlvs; | |
1873 | const u8 *end = tlvs + tlvs_len; | |
1874 | const u8 *tlv_end; | |
1875 | u16 slen; | |
1876 | size_t buf_len; | |
1877 | char *buf; | |
1878 | ||
1879 | wpa_hexdump(MSG_MSGDUMP, "P2P: Service Discovery Response TLVs", | |
1880 | tlvs, tlvs_len); | |
18708aad JM |
1881 | if (tlvs_len > 1500) { |
1882 | /* TODO: better way for handling this */ | |
1883 | wpa_msg_ctrl(wpa_s, MSG_INFO, | |
1884 | P2P_EVENT_SERV_DISC_RESP MACSTR | |
1885 | " %u <long response: %u bytes>", | |
1886 | MAC2STR(sa), update_indic, | |
1887 | (unsigned int) tlvs_len); | |
1888 | } else { | |
1889 | buf_len = 2 * tlvs_len + 1; | |
1890 | buf = os_malloc(buf_len); | |
1891 | if (buf) { | |
1892 | wpa_snprintf_hex(buf, buf_len, tlvs, tlvs_len); | |
1893 | wpa_msg_ctrl(wpa_s, MSG_INFO, | |
1894 | P2P_EVENT_SERV_DISC_RESP MACSTR " %u %s", | |
1895 | MAC2STR(sa), update_indic, buf); | |
1896 | os_free(buf); | |
1897 | } | |
b22128ef JM |
1898 | } |
1899 | ||
1900 | while (pos < end) { | |
1901 | u8 srv_proto, srv_trans_id, status; | |
1902 | ||
1903 | wpa_printf(MSG_DEBUG, "P2P: Service Response TLV"); | |
1904 | slen = WPA_GET_LE16(pos); | |
1905 | pos += 2; | |
1906 | if (pos + slen > end || slen < 3) { | |
1907 | wpa_printf(MSG_DEBUG, "P2P: Unexpected Response Data " | |
1908 | "length"); | |
1909 | return; | |
1910 | } | |
1911 | tlv_end = pos + slen; | |
1912 | ||
1913 | srv_proto = *pos++; | |
1914 | wpa_printf(MSG_DEBUG, "P2P: Service Protocol Type %u", | |
1915 | srv_proto); | |
1916 | srv_trans_id = *pos++; | |
1917 | wpa_printf(MSG_DEBUG, "P2P: Service Transaction ID %u", | |
1918 | srv_trans_id); | |
1919 | status = *pos++; | |
1920 | wpa_printf(MSG_DEBUG, "P2P: Status Code ID %u", | |
1921 | status); | |
1922 | ||
1923 | wpa_hexdump(MSG_MSGDUMP, "P2P: Response Data", | |
1924 | pos, tlv_end - pos); | |
1925 | ||
1926 | pos = tlv_end; | |
1927 | } | |
43a26f60 KRK |
1928 | |
1929 | wpas_notify_p2p_sd_response(wpa_s, sa, update_indic, tlvs, tlvs_len); | |
b22128ef JM |
1930 | } |
1931 | ||
1932 | ||
7165c5dc JM |
1933 | u64 wpas_p2p_sd_request(struct wpa_supplicant *wpa_s, const u8 *dst, |
1934 | const struct wpabuf *tlvs) | |
b22128ef | 1935 | { |
3ac17eba | 1936 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
7165c5dc | 1937 | return wpa_drv_p2p_sd_request(wpa_s, dst, tlvs); |
9526fd29 | 1938 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
7165c5dc JM |
1939 | return 0; |
1940 | return (uintptr_t) p2p_sd_request(wpa_s->global->p2p, dst, tlvs); | |
b22128ef JM |
1941 | } |
1942 | ||
1943 | ||
7165c5dc JM |
1944 | u64 wpas_p2p_sd_request_upnp(struct wpa_supplicant *wpa_s, const u8 *dst, |
1945 | u8 version, const char *query) | |
b22128ef JM |
1946 | { |
1947 | struct wpabuf *tlvs; | |
7165c5dc | 1948 | u64 ret; |
b22128ef JM |
1949 | |
1950 | tlvs = wpabuf_alloc(2 + 1 + 1 + 1 + os_strlen(query)); | |
1951 | if (tlvs == NULL) | |
7165c5dc | 1952 | return 0; |
b22128ef JM |
1953 | wpabuf_put_le16(tlvs, 1 + 1 + 1 + os_strlen(query)); |
1954 | wpabuf_put_u8(tlvs, P2P_SERV_UPNP); /* Service Protocol Type */ | |
1955 | wpabuf_put_u8(tlvs, 1); /* Service Transaction ID */ | |
1956 | wpabuf_put_u8(tlvs, version); | |
1957 | wpabuf_put_str(tlvs, query); | |
1958 | ret = wpas_p2p_sd_request(wpa_s, dst, tlvs); | |
1959 | wpabuf_free(tlvs); | |
1960 | return ret; | |
1961 | } | |
1962 | ||
1963 | ||
347d6a5b JM |
1964 | #ifdef CONFIG_WIFI_DISPLAY |
1965 | ||
1966 | static u64 wpas_p2p_sd_request_wfd(struct wpa_supplicant *wpa_s, const u8 *dst, | |
1967 | const struct wpabuf *tlvs) | |
1968 | { | |
1969 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) | |
1970 | return 0; | |
1971 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) | |
1972 | return 0; | |
1973 | return (uintptr_t) p2p_sd_request_wfd(wpa_s->global->p2p, dst, tlvs); | |
1974 | } | |
1975 | ||
1976 | ||
1977 | #define MAX_WFD_SD_SUBELEMS 20 | |
1978 | ||
1979 | static void wfd_add_sd_req_role(struct wpabuf *tlvs, u8 id, u8 role, | |
1980 | const char *subelems) | |
1981 | { | |
1982 | u8 *len; | |
1983 | const char *pos; | |
1984 | int val; | |
1985 | int count = 0; | |
1986 | ||
1987 | len = wpabuf_put(tlvs, 2); | |
1988 | wpabuf_put_u8(tlvs, P2P_SERV_WIFI_DISPLAY); /* Service Protocol Type */ | |
1989 | wpabuf_put_u8(tlvs, id); /* Service Transaction ID */ | |
1990 | ||
1991 | wpabuf_put_u8(tlvs, role); | |
1992 | ||
1993 | pos = subelems; | |
1994 | while (*pos) { | |
1995 | val = atoi(pos); | |
1996 | if (val >= 0 && val < 256) { | |
1997 | wpabuf_put_u8(tlvs, val); | |
1998 | count++; | |
1999 | if (count == MAX_WFD_SD_SUBELEMS) | |
2000 | break; | |
2001 | } | |
2002 | pos = os_strchr(pos + 1, ','); | |
2003 | if (pos == NULL) | |
2004 | break; | |
2005 | pos++; | |
2006 | } | |
2007 | ||
2008 | WPA_PUT_LE16(len, (u8 *) wpabuf_put(tlvs, 0) - len - 2); | |
2009 | } | |
2010 | ||
2011 | ||
2012 | u64 wpas_p2p_sd_request_wifi_display(struct wpa_supplicant *wpa_s, | |
2013 | const u8 *dst, const char *role) | |
2014 | { | |
2015 | struct wpabuf *tlvs; | |
2016 | u64 ret; | |
2017 | const char *subelems; | |
2018 | u8 id = 1; | |
2019 | ||
2020 | subelems = os_strchr(role, ' '); | |
2021 | if (subelems == NULL) | |
2022 | return 0; | |
2023 | subelems++; | |
2024 | ||
2025 | tlvs = wpabuf_alloc(4 * (2 + 1 + 1 + 1 + MAX_WFD_SD_SUBELEMS)); | |
2026 | if (tlvs == NULL) | |
2027 | return 0; | |
2028 | ||
2029 | if (os_strstr(role, "[source]")) | |
2030 | wfd_add_sd_req_role(tlvs, id++, 0x00, subelems); | |
2031 | if (os_strstr(role, "[pri-sink]")) | |
2032 | wfd_add_sd_req_role(tlvs, id++, 0x01, subelems); | |
2033 | if (os_strstr(role, "[sec-sink]")) | |
2034 | wfd_add_sd_req_role(tlvs, id++, 0x02, subelems); | |
2035 | if (os_strstr(role, "[source+sink]")) | |
2036 | wfd_add_sd_req_role(tlvs, id++, 0x03, subelems); | |
2037 | ||
2038 | ret = wpas_p2p_sd_request_wfd(wpa_s, dst, tlvs); | |
2039 | wpabuf_free(tlvs); | |
2040 | return ret; | |
2041 | } | |
2042 | ||
2043 | #endif /* CONFIG_WIFI_DISPLAY */ | |
2044 | ||
2045 | ||
7165c5dc | 2046 | int wpas_p2p_sd_cancel_request(struct wpa_supplicant *wpa_s, u64 req) |
b22128ef | 2047 | { |
3ac17eba | 2048 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
7165c5dc | 2049 | return wpa_drv_p2p_sd_cancel_request(wpa_s, req); |
9526fd29 JM |
2050 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
2051 | return -1; | |
7165c5dc JM |
2052 | return p2p_sd_cancel_request(wpa_s->global->p2p, |
2053 | (void *) (uintptr_t) req); | |
b22128ef JM |
2054 | } |
2055 | ||
2056 | ||
2057 | void wpas_p2p_sd_response(struct wpa_supplicant *wpa_s, int freq, | |
2058 | const u8 *dst, u8 dialog_token, | |
2059 | const struct wpabuf *resp_tlvs) | |
2060 | { | |
3ac17eba JM |
2061 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) { |
2062 | wpa_drv_p2p_sd_response(wpa_s, freq, dst, dialog_token, | |
2063 | resp_tlvs); | |
2064 | return; | |
2065 | } | |
9526fd29 JM |
2066 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
2067 | return; | |
b22128ef JM |
2068 | p2p_sd_response(wpa_s->global->p2p, freq, dst, dialog_token, |
2069 | resp_tlvs); | |
2070 | } | |
2071 | ||
2072 | ||
2073 | void wpas_p2p_sd_service_update(struct wpa_supplicant *wpa_s) | |
2074 | { | |
3ac17eba JM |
2075 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) { |
2076 | wpa_drv_p2p_service_update(wpa_s); | |
2077 | return; | |
2078 | } | |
9526fd29 JM |
2079 | if (wpa_s->global->p2p) |
2080 | p2p_sd_service_update(wpa_s->global->p2p); | |
b22128ef JM |
2081 | } |
2082 | ||
2083 | ||
2084 | static void wpas_p2p_srv_bonjour_free(struct p2p_srv_bonjour *bsrv) | |
2085 | { | |
2086 | dl_list_del(&bsrv->list); | |
2087 | wpabuf_free(bsrv->query); | |
2088 | wpabuf_free(bsrv->resp); | |
2089 | os_free(bsrv); | |
2090 | } | |
2091 | ||
2092 | ||
2093 | static void wpas_p2p_srv_upnp_free(struct p2p_srv_upnp *usrv) | |
2094 | { | |
2095 | dl_list_del(&usrv->list); | |
2096 | os_free(usrv->service); | |
2097 | os_free(usrv); | |
2098 | } | |
2099 | ||
2100 | ||
2101 | void wpas_p2p_service_flush(struct wpa_supplicant *wpa_s) | |
2102 | { | |
2103 | struct p2p_srv_bonjour *bsrv, *bn; | |
2104 | struct p2p_srv_upnp *usrv, *un; | |
2105 | ||
2106 | dl_list_for_each_safe(bsrv, bn, &wpa_s->global->p2p_srv_bonjour, | |
2107 | struct p2p_srv_bonjour, list) | |
2108 | wpas_p2p_srv_bonjour_free(bsrv); | |
2109 | ||
2110 | dl_list_for_each_safe(usrv, un, &wpa_s->global->p2p_srv_upnp, | |
2111 | struct p2p_srv_upnp, list) | |
2112 | wpas_p2p_srv_upnp_free(usrv); | |
2113 | ||
2114 | wpas_p2p_sd_service_update(wpa_s); | |
2115 | } | |
2116 | ||
2117 | ||
2118 | int wpas_p2p_service_add_bonjour(struct wpa_supplicant *wpa_s, | |
2119 | struct wpabuf *query, struct wpabuf *resp) | |
2120 | { | |
2121 | struct p2p_srv_bonjour *bsrv; | |
2122 | ||
b22128ef JM |
2123 | bsrv = os_zalloc(sizeof(*bsrv)); |
2124 | if (bsrv == NULL) | |
2125 | return -1; | |
2126 | bsrv->query = query; | |
2127 | bsrv->resp = resp; | |
2128 | dl_list_add(&wpa_s->global->p2p_srv_bonjour, &bsrv->list); | |
2129 | ||
2130 | wpas_p2p_sd_service_update(wpa_s); | |
2131 | return 0; | |
2132 | } | |
2133 | ||
2134 | ||
2135 | int wpas_p2p_service_del_bonjour(struct wpa_supplicant *wpa_s, | |
2136 | const struct wpabuf *query) | |
2137 | { | |
2138 | struct p2p_srv_bonjour *bsrv; | |
2139 | ||
2140 | bsrv = wpas_p2p_service_get_bonjour(wpa_s, query); | |
2141 | if (bsrv == NULL) | |
2142 | return -1; | |
2143 | wpas_p2p_srv_bonjour_free(bsrv); | |
2144 | wpas_p2p_sd_service_update(wpa_s); | |
2145 | return 0; | |
2146 | } | |
2147 | ||
2148 | ||
2149 | int wpas_p2p_service_add_upnp(struct wpa_supplicant *wpa_s, u8 version, | |
2150 | const char *service) | |
2151 | { | |
2152 | struct p2p_srv_upnp *usrv; | |
2153 | ||
2154 | if (wpas_p2p_service_get_upnp(wpa_s, version, service)) | |
2155 | return 0; /* Already listed */ | |
2156 | usrv = os_zalloc(sizeof(*usrv)); | |
2157 | if (usrv == NULL) | |
2158 | return -1; | |
2159 | usrv->version = version; | |
2160 | usrv->service = os_strdup(service); | |
2161 | if (usrv->service == NULL) { | |
2162 | os_free(usrv); | |
2163 | return -1; | |
2164 | } | |
2165 | dl_list_add(&wpa_s->global->p2p_srv_upnp, &usrv->list); | |
2166 | ||
2167 | wpas_p2p_sd_service_update(wpa_s); | |
2168 | return 0; | |
2169 | } | |
2170 | ||
2171 | ||
2172 | int wpas_p2p_service_del_upnp(struct wpa_supplicant *wpa_s, u8 version, | |
2173 | const char *service) | |
2174 | { | |
2175 | struct p2p_srv_upnp *usrv; | |
2176 | ||
2177 | usrv = wpas_p2p_service_get_upnp(wpa_s, version, service); | |
2178 | if (usrv == NULL) | |
2179 | return -1; | |
2180 | wpas_p2p_srv_upnp_free(usrv); | |
2181 | wpas_p2p_sd_service_update(wpa_s); | |
2182 | return 0; | |
2183 | } | |
2184 | ||
2185 | ||
2186 | static void wpas_prov_disc_local_display(struct wpa_supplicant *wpa_s, | |
bbeee9b0 JB |
2187 | const u8 *peer, const char *params, |
2188 | unsigned int generated_pin) | |
b22128ef JM |
2189 | { |
2190 | wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_SHOW_PIN MACSTR " %08d%s", | |
bbeee9b0 | 2191 | MAC2STR(peer), generated_pin, params); |
b22128ef JM |
2192 | } |
2193 | ||
2194 | ||
2195 | static void wpas_prov_disc_local_keypad(struct wpa_supplicant *wpa_s, | |
2196 | const u8 *peer, const char *params) | |
2197 | { | |
2198 | wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_ENTER_PIN MACSTR "%s", | |
2199 | MAC2STR(peer), params); | |
2200 | } | |
2201 | ||
2202 | ||
2203 | void wpas_prov_disc_req(void *ctx, const u8 *peer, u16 config_methods, | |
2204 | const u8 *dev_addr, const u8 *pri_dev_type, | |
2205 | const char *dev_name, u16 supp_config_methods, | |
c3f42784 JM |
2206 | u8 dev_capab, u8 group_capab, const u8 *group_id, |
2207 | size_t group_id_len) | |
b22128ef JM |
2208 | { |
2209 | struct wpa_supplicant *wpa_s = ctx; | |
2210 | char devtype[WPS_DEV_TYPE_BUFSIZE]; | |
c3f42784 | 2211 | char params[300]; |
b22128ef | 2212 | u8 empty_dev_type[8]; |
bbeee9b0 | 2213 | unsigned int generated_pin = 0; |
c3f42784 JM |
2214 | struct wpa_supplicant *group = NULL; |
2215 | ||
2216 | if (group_id) { | |
2217 | for (group = wpa_s->global->ifaces; group; group = group->next) | |
2218 | { | |
2219 | struct wpa_ssid *s = group->current_ssid; | |
2220 | if (s != NULL && | |
2221 | s->mode == WPAS_MODE_P2P_GO && | |
2222 | group_id_len - ETH_ALEN == s->ssid_len && | |
2223 | os_memcmp(group_id + ETH_ALEN, s->ssid, | |
2224 | s->ssid_len) == 0) | |
2225 | break; | |
2226 | } | |
2227 | } | |
b22128ef JM |
2228 | |
2229 | if (pri_dev_type == NULL) { | |
2230 | os_memset(empty_dev_type, 0, sizeof(empty_dev_type)); | |
2231 | pri_dev_type = empty_dev_type; | |
2232 | } | |
2233 | os_snprintf(params, sizeof(params), " p2p_dev_addr=" MACSTR | |
2234 | " pri_dev_type=%s name='%s' config_methods=0x%x " | |
c3f42784 | 2235 | "dev_capab=0x%x group_capab=0x%x%s%s", |
b22128ef JM |
2236 | MAC2STR(dev_addr), |
2237 | wps_dev_type_bin2str(pri_dev_type, devtype, | |
2238 | sizeof(devtype)), | |
c3f42784 JM |
2239 | dev_name, supp_config_methods, dev_capab, group_capab, |
2240 | group ? " group=" : "", | |
2241 | group ? group->ifname : ""); | |
b22128ef JM |
2242 | params[sizeof(params) - 1] = '\0'; |
2243 | ||
bbeee9b0 JB |
2244 | if (config_methods & WPS_CONFIG_DISPLAY) { |
2245 | generated_pin = wps_generate_pin(); | |
2246 | wpas_prov_disc_local_display(wpa_s, peer, params, | |
2247 | generated_pin); | |
2248 | } else if (config_methods & WPS_CONFIG_KEYPAD) | |
b22128ef JM |
2249 | wpas_prov_disc_local_keypad(wpa_s, peer, params); |
2250 | else if (config_methods & WPS_CONFIG_PUSHBUTTON) | |
2251 | wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_PBC_REQ MACSTR | |
2252 | "%s", MAC2STR(peer), params); | |
dd8a7e05 JB |
2253 | |
2254 | wpas_notify_p2p_provision_discovery(wpa_s, peer, 1 /* request */, | |
2255 | P2P_PROV_DISC_SUCCESS, | |
2256 | config_methods, generated_pin); | |
b22128ef JM |
2257 | } |
2258 | ||
2259 | ||
2260 | void wpas_prov_disc_resp(void *ctx, const u8 *peer, u16 config_methods) | |
2261 | { | |
2262 | struct wpa_supplicant *wpa_s = ctx; | |
bbeee9b0 | 2263 | unsigned int generated_pin = 0; |
0918c4bf | 2264 | char params[20]; |
bbeee9b0 | 2265 | |
c1931635 JM |
2266 | if (wpa_s->pending_pd_before_join && |
2267 | (os_memcmp(peer, wpa_s->pending_join_dev_addr, ETH_ALEN) == 0 || | |
2268 | os_memcmp(peer, wpa_s->pending_join_iface_addr, ETH_ALEN) == 0)) { | |
2269 | wpa_s->pending_pd_before_join = 0; | |
2270 | wpa_printf(MSG_DEBUG, "P2P: Starting pending " | |
2271 | "join-existing-group operation"); | |
2272 | wpas_p2p_join_start(wpa_s); | |
2273 | return; | |
2274 | } | |
2275 | ||
0918c4bf JM |
2276 | if (wpa_s->pending_pd_use == AUTO_PD_JOIN || |
2277 | wpa_s->pending_pd_use == AUTO_PD_GO_NEG) | |
2278 | os_snprintf(params, sizeof(params), " peer_go=%d", | |
2279 | wpa_s->pending_pd_use == AUTO_PD_JOIN); | |
2280 | else | |
2281 | params[0] = '\0'; | |
2282 | ||
b22128ef | 2283 | if (config_methods & WPS_CONFIG_DISPLAY) |
0918c4bf | 2284 | wpas_prov_disc_local_keypad(wpa_s, peer, params); |
bbeee9b0 JB |
2285 | else if (config_methods & WPS_CONFIG_KEYPAD) { |
2286 | generated_pin = wps_generate_pin(); | |
0918c4bf JM |
2287 | wpas_prov_disc_local_display(wpa_s, peer, params, |
2288 | generated_pin); | |
bbeee9b0 | 2289 | } else if (config_methods & WPS_CONFIG_PUSHBUTTON) |
0918c4bf JM |
2290 | wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_PBC_RESP MACSTR |
2291 | "%s", MAC2STR(peer), params); | |
a482883f | 2292 | |
dd8a7e05 JB |
2293 | wpas_notify_p2p_provision_discovery(wpa_s, peer, 0 /* response */, |
2294 | P2P_PROV_DISC_SUCCESS, | |
2295 | config_methods, generated_pin); | |
b22128ef JM |
2296 | } |
2297 | ||
2298 | ||
19df9b07 JM |
2299 | static void wpas_prov_disc_fail(void *ctx, const u8 *peer, |
2300 | enum p2p_prov_disc_status status) | |
dd8a7e05 JB |
2301 | { |
2302 | struct wpa_supplicant *wpa_s = ctx; | |
2303 | ||
aa9bb764 JM |
2304 | if (wpa_s->p2p_fallback_to_go_neg) { |
2305 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: PD for p2p_connect-auto " | |
2306 | "failed - fall back to GO Negotiation"); | |
2307 | wpas_p2p_fallback_to_go_neg(wpa_s, 0); | |
2308 | return; | |
2309 | } | |
2310 | ||
175171ac JM |
2311 | if (status == P2P_PROV_DISC_TIMEOUT_JOIN) { |
2312 | wpa_s->pending_pd_before_join = 0; | |
2313 | wpa_printf(MSG_DEBUG, "P2P: Starting pending " | |
2314 | "join-existing-group operation (no ACK for PD " | |
2315 | "Req attempts)"); | |
2316 | wpas_p2p_join_start(wpa_s); | |
2317 | return; | |
2318 | } | |
2319 | ||
f65a239b DG |
2320 | wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_FAILURE |
2321 | " p2p_dev_addr=" MACSTR " status=%d", | |
25a94f52 | 2322 | MAC2STR(peer), status); |
f65a239b | 2323 | |
dd8a7e05 JB |
2324 | wpas_notify_p2p_provision_discovery(wpa_s, peer, 0 /* response */, |
2325 | status, 0, 0); | |
2326 | } | |
2327 | ||
2328 | ||
b22128ef JM |
2329 | static u8 wpas_invitation_process(void *ctx, const u8 *sa, const u8 *bssid, |
2330 | const u8 *go_dev_addr, const u8 *ssid, | |
2331 | size_t ssid_len, int *go, u8 *group_bssid, | |
2332 | int *force_freq, int persistent_group) | |
2333 | { | |
2334 | struct wpa_supplicant *wpa_s = ctx; | |
2335 | struct wpa_ssid *s; | |
2336 | u8 cur_bssid[ETH_ALEN]; | |
2337 | int res; | |
ab72eb52 | 2338 | struct wpa_supplicant *grp; |
b22128ef JM |
2339 | |
2340 | if (!persistent_group) { | |
2341 | wpa_printf(MSG_DEBUG, "P2P: Invitation from " MACSTR | |
2342 | " to join an active group", MAC2STR(sa)); | |
108def93 | 2343 | if (!is_zero_ether_addr(wpa_s->p2p_auth_invite) && |
131cb37c JM |
2344 | (os_memcmp(go_dev_addr, wpa_s->p2p_auth_invite, ETH_ALEN) |
2345 | == 0 || | |
2346 | os_memcmp(sa, wpa_s->p2p_auth_invite, ETH_ALEN) == 0)) { | |
108def93 JM |
2347 | wpa_printf(MSG_DEBUG, "P2P: Accept previously " |
2348 | "authorized invitation"); | |
2349 | goto accept_inv; | |
2350 | } | |
b22128ef JM |
2351 | /* |
2352 | * Do not accept the invitation automatically; notify user and | |
2353 | * request approval. | |
2354 | */ | |
2355 | return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE; | |
2356 | } | |
2357 | ||
ab72eb52 JM |
2358 | grp = wpas_get_p2p_group(wpa_s, ssid, ssid_len, go); |
2359 | if (grp) { | |
2360 | wpa_printf(MSG_DEBUG, "P2P: Accept invitation to already " | |
2361 | "running persistent group"); | |
2362 | if (*go) | |
2363 | os_memcpy(group_bssid, grp->own_addr, ETH_ALEN); | |
2364 | goto accept_inv; | |
2365 | } | |
2366 | ||
b22128ef JM |
2367 | if (!wpa_s->conf->persistent_reconnect) |
2368 | return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE; | |
2369 | ||
2370 | for (s = wpa_s->conf->ssid; s; s = s->next) { | |
2371 | if (s->disabled == 2 && | |
2372 | os_memcmp(s->bssid, go_dev_addr, ETH_ALEN) == 0 && | |
2373 | s->ssid_len == ssid_len && | |
2374 | os_memcmp(ssid, s->ssid, ssid_len) == 0) | |
2375 | break; | |
2376 | } | |
2377 | ||
2378 | if (!s) { | |
2379 | wpa_printf(MSG_DEBUG, "P2P: Invitation from " MACSTR | |
2380 | " requested reinvocation of an unknown group", | |
2381 | MAC2STR(sa)); | |
2382 | return P2P_SC_FAIL_UNKNOWN_GROUP; | |
2383 | } | |
2384 | ||
2385 | if (s->mode == WPAS_MODE_P2P_GO && !wpas_p2p_create_iface(wpa_s)) { | |
2386 | *go = 1; | |
2387 | if (wpa_s->wpa_state >= WPA_AUTHENTICATING) { | |
2388 | wpa_printf(MSG_DEBUG, "P2P: The only available " | |
2389 | "interface is already in use - reject " | |
2390 | "invitation"); | |
2391 | return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE; | |
2392 | } | |
2393 | os_memcpy(group_bssid, wpa_s->own_addr, ETH_ALEN); | |
2394 | } else if (s->mode == WPAS_MODE_P2P_GO) { | |
2395 | *go = 1; | |
2396 | if (wpas_p2p_add_group_interface(wpa_s, WPA_IF_P2P_GO) < 0) | |
2397 | { | |
2398 | wpa_printf(MSG_ERROR, "P2P: Failed to allocate a new " | |
2399 | "interface address for the group"); | |
2400 | return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE; | |
2401 | } | |
2402 | os_memcpy(group_bssid, wpa_s->pending_interface_addr, | |
2403 | ETH_ALEN); | |
2404 | } | |
2405 | ||
108def93 | 2406 | accept_inv: |
b22128ef JM |
2407 | if (wpa_s->current_ssid && wpa_drv_get_bssid(wpa_s, cur_bssid) == 0 && |
2408 | wpa_s->assoc_freq) { | |
2409 | wpa_printf(MSG_DEBUG, "P2P: Trying to force channel to match " | |
2410 | "the channel we are already using"); | |
2411 | *force_freq = wpa_s->assoc_freq; | |
2412 | } | |
2413 | ||
2414 | res = wpa_drv_shared_freq(wpa_s); | |
2415 | if (res > 0) { | |
2416 | wpa_printf(MSG_DEBUG, "P2P: Trying to force channel to match " | |
2417 | "with the channel we are already using on a " | |
2418 | "shared interface"); | |
2419 | *force_freq = res; | |
2420 | } | |
2421 | ||
2422 | return P2P_SC_SUCCESS; | |
2423 | } | |
2424 | ||
2425 | ||
2426 | static void wpas_invitation_received(void *ctx, const u8 *sa, const u8 *bssid, | |
2427 | const u8 *ssid, size_t ssid_len, | |
2428 | const u8 *go_dev_addr, u8 status, | |
2429 | int op_freq) | |
2430 | { | |
2431 | struct wpa_supplicant *wpa_s = ctx; | |
2432 | struct wpa_ssid *s; | |
2433 | ||
2434 | for (s = wpa_s->conf->ssid; s; s = s->next) { | |
2435 | if (s->disabled == 2 && | |
2436 | s->ssid_len == ssid_len && | |
2437 | os_memcmp(ssid, s->ssid, ssid_len) == 0) | |
2438 | break; | |
2439 | } | |
2440 | ||
2441 | if (status == P2P_SC_SUCCESS) { | |
2442 | wpa_printf(MSG_DEBUG, "P2P: Invitation from peer " MACSTR | |
2443 | " was accepted; op_freq=%d MHz", | |
2444 | MAC2STR(sa), op_freq); | |
2445 | if (s) { | |
2cd07584 | 2446 | int go = s->mode == WPAS_MODE_P2P_GO; |
b22128ef | 2447 | wpas_p2p_group_add_persistent( |
2cd07584 | 2448 | wpa_s, s, go, go ? op_freq : 0, 0); |
2049af2b | 2449 | } else if (bssid) { |
67527166 | 2450 | wpa_s->user_initiated_pd = 0; |
108def93 | 2451 | wpas_p2p_join(wpa_s, bssid, go_dev_addr, |
b31be3a0 | 2452 | wpa_s->p2p_wps_method, 0); |
b22128ef JM |
2453 | } |
2454 | return; | |
2455 | } | |
2456 | ||
2457 | if (status != P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE) { | |
2458 | wpa_printf(MSG_DEBUG, "P2P: Invitation from peer " MACSTR | |
2459 | " was rejected (status %u)", MAC2STR(sa), status); | |
2460 | return; | |
2461 | } | |
2462 | ||
2463 | if (!s) { | |
2464 | if (bssid) { | |
2465 | wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED | |
2466 | "sa=" MACSTR " go_dev_addr=" MACSTR | |
2467 | " bssid=" MACSTR " unknown-network", | |
2468 | MAC2STR(sa), MAC2STR(go_dev_addr), | |
2469 | MAC2STR(bssid)); | |
2470 | } else { | |
2471 | wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED | |
2472 | "sa=" MACSTR " go_dev_addr=" MACSTR | |
2473 | " unknown-network", | |
2474 | MAC2STR(sa), MAC2STR(go_dev_addr)); | |
2475 | } | |
2476 | return; | |
2477 | } | |
2478 | ||
2479 | wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED "sa=" MACSTR | |
2480 | " persistent=%d", MAC2STR(sa), s->id); | |
2481 | } | |
2482 | ||
2483 | ||
2484 | static void wpas_invitation_result(void *ctx, int status, const u8 *bssid) | |
2485 | { | |
2486 | struct wpa_supplicant *wpa_s = ctx; | |
2487 | struct wpa_ssid *ssid; | |
2488 | ||
2489 | if (bssid) { | |
2490 | wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RESULT | |
2491 | "status=%d " MACSTR, | |
2492 | status, MAC2STR(bssid)); | |
2493 | } else { | |
2494 | wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RESULT | |
2495 | "status=%d ", status); | |
2496 | } | |
5ccdf84f | 2497 | wpas_notify_p2p_invitation_result(wpa_s, status, bssid); |
b22128ef | 2498 | |
706887fc JM |
2499 | if (wpa_s->pending_invite_ssid_id == -1) |
2500 | return; /* Invitation to active group */ | |
2501 | ||
b22128ef JM |
2502 | if (status != P2P_SC_SUCCESS) { |
2503 | wpas_p2p_remove_pending_group_interface(wpa_s); | |
2504 | return; | |
2505 | } | |
2506 | ||
2507 | ssid = wpa_config_get_network(wpa_s->conf, | |
2508 | wpa_s->pending_invite_ssid_id); | |
2509 | if (ssid == NULL) { | |
2510 | wpa_printf(MSG_ERROR, "P2P: Could not find persistent group " | |
2511 | "data matching with invitation"); | |
2512 | return; | |
2513 | } | |
2514 | ||
13ece96f JM |
2515 | /* |
2516 | * The peer could have missed our ctrl::ack frame for Invitation | |
2517 | * Response and continue retransmitting the frame. To reduce the | |
2518 | * likelihood of the peer not getting successful TX status for the | |
2519 | * Invitation Response frame, wait a short time here before starting | |
2520 | * the persistent group so that we will remain on the current channel to | |
2521 | * acknowledge any possible retransmission from the peer. | |
2522 | */ | |
2523 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: 50 ms wait on current channel before " | |
2524 | "starting persistent group"); | |
2525 | os_sleep(0, 50000); | |
2526 | ||
b22128ef | 2527 | wpas_p2p_group_add_persistent(wpa_s, ssid, |
4d32c0c4 JM |
2528 | ssid->mode == WPAS_MODE_P2P_GO, |
2529 | wpa_s->p2p_persistent_go_freq, | |
2530 | wpa_s->p2p_go_ht40); | |
b22128ef JM |
2531 | } |
2532 | ||
2533 | ||
6f3bc72b JM |
2534 | static int wpas_p2p_disallowed_freq(struct wpa_global *global, |
2535 | unsigned int freq) | |
2536 | { | |
2537 | unsigned int i; | |
2538 | ||
2539 | if (global->p2p_disallow_freq == NULL) | |
2540 | return 0; | |
2541 | ||
2542 | for (i = 0; i < global->num_p2p_disallow_freq; i++) { | |
2543 | if (freq >= global->p2p_disallow_freq[i].min && | |
2544 | freq <= global->p2p_disallow_freq[i].max) | |
2545 | return 1; | |
2546 | } | |
2547 | ||
2548 | return 0; | |
2549 | } | |
2550 | ||
2551 | ||
2552 | static void wpas_p2p_add_chan(struct p2p_reg_class *reg, u8 chan) | |
2553 | { | |
2554 | reg->channel[reg->channels] = chan; | |
2555 | reg->channels++; | |
2556 | } | |
2557 | ||
2558 | ||
ac8d1011 JM |
2559 | static int wpas_p2p_default_channels(struct wpa_supplicant *wpa_s, |
2560 | struct p2p_channels *chan) | |
2561 | { | |
2562 | int i, cla = 0; | |
2563 | ||
2564 | wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for 2.4 GHz " | |
2565 | "band"); | |
2566 | ||
2567 | /* Operating class 81 - 2.4 GHz band channels 1..13 */ | |
2568 | chan->reg_class[cla].reg_class = 81; | |
6f3bc72b JM |
2569 | chan->reg_class[cla].channels = 0; |
2570 | for (i = 0; i < 11; i++) { | |
2571 | if (!wpas_p2p_disallowed_freq(wpa_s->global, 2412 + i * 5)) | |
2572 | wpas_p2p_add_chan(&chan->reg_class[cla], i + 1); | |
2573 | } | |
2574 | if (chan->reg_class[cla].channels) | |
2575 | cla++; | |
ac8d1011 JM |
2576 | |
2577 | wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for lower 5 GHz " | |
2578 | "band"); | |
2579 | ||
2580 | /* Operating class 115 - 5 GHz, channels 36-48 */ | |
2581 | chan->reg_class[cla].reg_class = 115; | |
6f3bc72b JM |
2582 | chan->reg_class[cla].channels = 0; |
2583 | if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 36 * 5)) | |
2584 | wpas_p2p_add_chan(&chan->reg_class[cla], 36); | |
2585 | if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 40 * 5)) | |
2586 | wpas_p2p_add_chan(&chan->reg_class[cla], 40); | |
2587 | if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 44 * 5)) | |
2588 | wpas_p2p_add_chan(&chan->reg_class[cla], 44); | |
2589 | if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 48 * 5)) | |
2590 | wpas_p2p_add_chan(&chan->reg_class[cla], 48); | |
2591 | if (chan->reg_class[cla].channels) | |
2592 | cla++; | |
ac8d1011 JM |
2593 | |
2594 | wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for higher 5 GHz " | |
2595 | "band"); | |
2596 | ||
2597 | /* Operating class 124 - 5 GHz, channels 149,153,157,161 */ | |
2598 | chan->reg_class[cla].reg_class = 124; | |
6f3bc72b JM |
2599 | chan->reg_class[cla].channels = 0; |
2600 | if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 149 * 5)) | |
2601 | wpas_p2p_add_chan(&chan->reg_class[cla], 149); | |
2602 | if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 153 * 5)) | |
2603 | wpas_p2p_add_chan(&chan->reg_class[cla], 153); | |
2604 | if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 156 * 5)) | |
2605 | wpas_p2p_add_chan(&chan->reg_class[cla], 157); | |
2606 | if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 161 * 5)) | |
2607 | wpas_p2p_add_chan(&chan->reg_class[cla], 161); | |
2608 | if (chan->reg_class[cla].channels) | |
2609 | cla++; | |
ac8d1011 JM |
2610 | |
2611 | chan->reg_classes = cla; | |
2612 | return 0; | |
2613 | } | |
2614 | ||
2615 | ||
2616 | static struct hostapd_hw_modes * get_mode(struct hostapd_hw_modes *modes, | |
2617 | u16 num_modes, | |
2618 | enum hostapd_hw_mode mode) | |
2619 | { | |
2620 | u16 i; | |
2621 | ||
2622 | for (i = 0; i < num_modes; i++) { | |
2623 | if (modes[i].mode == mode) | |
2624 | return &modes[i]; | |
2625 | } | |
2626 | ||
2627 | return NULL; | |
2628 | } | |
2629 | ||
2630 | ||
6f3bc72b JM |
2631 | static int has_channel(struct wpa_global *global, |
2632 | struct hostapd_hw_modes *mode, u8 chan, int *flags) | |
ac8d1011 JM |
2633 | { |
2634 | int i; | |
6f3bc72b JM |
2635 | unsigned int freq; |
2636 | ||
2637 | freq = (mode->mode == HOSTAPD_MODE_IEEE80211A ? 5000 : 2407) + | |
2638 | chan * 5; | |
2639 | if (wpas_p2p_disallowed_freq(global, freq)) | |
2640 | return 0; | |
ac8d1011 JM |
2641 | |
2642 | for (i = 0; i < mode->num_channels; i++) { | |
2643 | if (mode->channels[i].chan == chan) { | |
51222429 JM |
2644 | if (flags) |
2645 | *flags = mode->channels[i].flag; | |
ac8d1011 JM |
2646 | return !(mode->channels[i].flag & |
2647 | (HOSTAPD_CHAN_DISABLED | | |
2648 | HOSTAPD_CHAN_PASSIVE_SCAN | | |
2649 | HOSTAPD_CHAN_NO_IBSS | | |
2650 | HOSTAPD_CHAN_RADAR)); | |
2651 | } | |
2652 | } | |
2653 | ||
2654 | return 0; | |
2655 | } | |
2656 | ||
2657 | ||
2658 | struct p2p_oper_class_map { | |
2659 | enum hostapd_hw_mode mode; | |
2660 | u8 op_class; | |
2661 | u8 min_chan; | |
2662 | u8 max_chan; | |
2663 | u8 inc; | |
51222429 | 2664 | enum { BW20, BW40PLUS, BW40MINUS } bw; |
ac8d1011 JM |
2665 | }; |
2666 | ||
931228aa RM |
2667 | static struct p2p_oper_class_map op_class[] = { |
2668 | { HOSTAPD_MODE_IEEE80211G, 81, 1, 13, 1, BW20 }, | |
931228aa RM |
2669 | #if 0 /* Do not enable HT40 on 2 GHz for now */ |
2670 | { HOSTAPD_MODE_IEEE80211G, 83, 1, 9, 1, BW40PLUS }, | |
2671 | { HOSTAPD_MODE_IEEE80211G, 84, 5, 13, 1, BW40MINUS }, | |
2672 | #endif | |
2673 | { HOSTAPD_MODE_IEEE80211A, 115, 36, 48, 4, BW20 }, | |
2674 | { HOSTAPD_MODE_IEEE80211A, 124, 149, 161, 4, BW20 }, | |
2675 | { HOSTAPD_MODE_IEEE80211A, 116, 36, 44, 8, BW40PLUS }, | |
2676 | { HOSTAPD_MODE_IEEE80211A, 117, 40, 48, 8, BW40MINUS }, | |
2677 | { HOSTAPD_MODE_IEEE80211A, 126, 149, 157, 8, BW40PLUS }, | |
2678 | { HOSTAPD_MODE_IEEE80211A, 127, 153, 161, 8, BW40MINUS }, | |
2679 | { -1, 0, 0, 0, 0, BW20 } | |
2680 | }; | |
2681 | ||
2682 | ||
2683 | static int wpas_p2p_verify_channel(struct wpa_supplicant *wpa_s, | |
2684 | struct hostapd_hw_modes *mode, | |
2685 | u8 channel, u8 bw) | |
2686 | { | |
2687 | int flag; | |
2688 | ||
2689 | if (!has_channel(wpa_s->global, mode, channel, &flag)) | |
2690 | return -1; | |
2691 | if (bw == BW40MINUS && | |
2692 | (!(flag & HOSTAPD_CHAN_HT40MINUS) || | |
2693 | !has_channel(wpa_s->global, mode, channel - 4, NULL))) | |
2694 | return 0; | |
2695 | if (bw == BW40PLUS && | |
2696 | (!(flag & HOSTAPD_CHAN_HT40PLUS) || | |
2697 | !has_channel(wpa_s->global, mode, channel + 4, NULL))) | |
2698 | return 0; | |
2699 | return 1; | |
2700 | } | |
2701 | ||
2702 | ||
b22128ef | 2703 | static int wpas_p2p_setup_channels(struct wpa_supplicant *wpa_s, |
ac8d1011 | 2704 | struct p2p_channels *chan) |
b22128ef | 2705 | { |
6bf731e8 | 2706 | struct hostapd_hw_modes *mode; |
ac8d1011 | 2707 | int cla, op; |
b22128ef | 2708 | |
6bf731e8 | 2709 | if (wpa_s->hw.modes == NULL) { |
b22128ef JM |
2710 | wpa_printf(MSG_DEBUG, "P2P: Driver did not support fetching " |
2711 | "of all supported channels; assume dualband " | |
2712 | "support"); | |
ac8d1011 | 2713 | return wpas_p2p_default_channels(wpa_s, chan); |
b22128ef JM |
2714 | } |
2715 | ||
2716 | cla = 0; | |
2717 | ||
ac8d1011 JM |
2718 | for (op = 0; op_class[op].op_class; op++) { |
2719 | struct p2p_oper_class_map *o = &op_class[op]; | |
2720 | u8 ch; | |
2721 | struct p2p_reg_class *reg = NULL; | |
b22128ef | 2722 | |
6bf731e8 | 2723 | mode = get_mode(wpa_s->hw.modes, wpa_s->hw.num_modes, o->mode); |
ac8d1011 JM |
2724 | if (mode == NULL) |
2725 | continue; | |
2726 | for (ch = o->min_chan; ch <= o->max_chan; ch += o->inc) { | |
931228aa | 2727 | if (wpas_p2p_verify_channel(wpa_s, mode, ch, o->bw) < 1) |
ac8d1011 JM |
2728 | continue; |
2729 | if (reg == NULL) { | |
2730 | wpa_printf(MSG_DEBUG, "P2P: Add operating " | |
2731 | "class %u", o->op_class); | |
2732 | reg = &chan->reg_class[cla]; | |
2733 | cla++; | |
2734 | reg->reg_class = o->op_class; | |
2735 | } | |
2736 | reg->channel[reg->channels] = ch; | |
2737 | reg->channels++; | |
2738 | } | |
2739 | if (reg) { | |
2740 | wpa_hexdump(MSG_DEBUG, "P2P: Channels", | |
2741 | reg->channel, reg->channels); | |
2742 | } | |
b22128ef JM |
2743 | } |
2744 | ||
ac8d1011 | 2745 | chan->reg_classes = cla; |
b22128ef | 2746 | |
b22128ef JM |
2747 | return 0; |
2748 | } | |
2749 | ||
2750 | ||
7aeac985 RM |
2751 | int wpas_p2p_get_ht40_mode(struct wpa_supplicant *wpa_s, |
2752 | struct hostapd_hw_modes *mode, u8 channel) | |
2753 | { | |
2754 | int op, ret; | |
2755 | ||
2756 | for (op = 0; op_class[op].op_class; op++) { | |
2757 | struct p2p_oper_class_map *o = &op_class[op]; | |
2758 | u8 ch; | |
2759 | ||
2760 | for (ch = o->min_chan; ch <= o->max_chan; ch += o->inc) { | |
2761 | if (o->mode != HOSTAPD_MODE_IEEE80211A || | |
2762 | o->bw == BW20 || ch != channel) | |
2763 | continue; | |
2764 | ret = wpas_p2p_verify_channel(wpa_s, mode, ch, o->bw); | |
2765 | if (ret < 0) | |
2766 | continue; | |
2767 | else if (ret > 0) | |
2768 | return (o->bw == BW40MINUS) ? -1 : 1; | |
2769 | else | |
2770 | return 0; | |
2771 | } | |
2772 | } | |
2773 | return 0; | |
2774 | } | |
2775 | ||
2776 | ||
b22128ef JM |
2777 | static int wpas_get_noa(void *ctx, const u8 *interface_addr, u8 *buf, |
2778 | size_t buf_len) | |
2779 | { | |
2780 | struct wpa_supplicant *wpa_s = ctx; | |
2781 | ||
2782 | for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) { | |
2783 | if (os_memcmp(wpa_s->own_addr, interface_addr, ETH_ALEN) == 0) | |
2784 | break; | |
2785 | } | |
2786 | if (wpa_s == NULL) | |
2787 | return -1; | |
2788 | ||
2789 | return wpa_drv_get_noa(wpa_s, buf, buf_len); | |
2790 | } | |
2791 | ||
2792 | ||
b1aebbc4 JM |
2793 | static int wpas_go_connected(void *ctx, const u8 *dev_addr) |
2794 | { | |
2795 | struct wpa_supplicant *wpa_s = ctx; | |
2796 | ||
2797 | for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) { | |
2798 | struct wpa_ssid *ssid = wpa_s->current_ssid; | |
2799 | if (ssid == NULL) | |
2800 | continue; | |
2801 | if (ssid->mode != WPAS_MODE_INFRA) | |
2802 | continue; | |
d9a0f666 PN |
2803 | if (wpa_s->wpa_state != WPA_COMPLETED && |
2804 | wpa_s->wpa_state != WPA_GROUP_HANDSHAKE) | |
b1aebbc4 JM |
2805 | continue; |
2806 | if (os_memcmp(wpa_s->go_dev_addr, dev_addr, ETH_ALEN) == 0) | |
2807 | return 1; | |
2808 | } | |
2809 | ||
2810 | return 0; | |
2811 | } | |
2812 | ||
2813 | ||
b22128ef JM |
2814 | /** |
2815 | * wpas_p2p_init - Initialize P2P module for %wpa_supplicant | |
2816 | * @global: Pointer to global data from wpa_supplicant_init() | |
2817 | * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface() | |
2818 | * Returns: 0 on success, -1 on failure | |
2819 | */ | |
2820 | int wpas_p2p_init(struct wpa_global *global, struct wpa_supplicant *wpa_s) | |
2821 | { | |
2822 | struct p2p_config p2p; | |
2823 | unsigned int r; | |
f95cac27 | 2824 | int i; |
b22128ef JM |
2825 | |
2826 | if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE)) | |
2827 | return 0; | |
2828 | ||
b22128ef JM |
2829 | if (global->p2p) |
2830 | return 0; | |
2831 | ||
3ac17eba JM |
2832 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) { |
2833 | struct p2p_params params; | |
2834 | ||
2835 | wpa_printf(MSG_DEBUG, "P2P: Use driver-based P2P management"); | |
2836 | os_memset(¶ms, 0, sizeof(params)); | |
2837 | params.dev_name = wpa_s->conf->device_name; | |
2f646b6e JB |
2838 | os_memcpy(params.pri_dev_type, wpa_s->conf->device_type, |
2839 | WPS_DEV_TYPE_LEN); | |
2840 | params.num_sec_dev_types = wpa_s->conf->num_sec_device_types; | |
2841 | os_memcpy(params.sec_dev_type, | |
2842 | wpa_s->conf->sec_device_type, | |
2843 | params.num_sec_dev_types * WPS_DEV_TYPE_LEN); | |
2844 | ||
3ac17eba JM |
2845 | if (wpa_drv_p2p_set_params(wpa_s, ¶ms) < 0) |
2846 | return -1; | |
2847 | ||
2848 | return 0; | |
2849 | } | |
2850 | ||
b22128ef JM |
2851 | os_memset(&p2p, 0, sizeof(p2p)); |
2852 | p2p.msg_ctx = wpa_s; | |
2853 | p2p.cb_ctx = wpa_s; | |
2854 | p2p.p2p_scan = wpas_p2p_scan; | |
2855 | p2p.send_action = wpas_send_action; | |
2856 | p2p.send_action_done = wpas_send_action_done; | |
2857 | p2p.go_neg_completed = wpas_go_neg_completed; | |
2858 | p2p.go_neg_req_rx = wpas_go_neg_req_rx; | |
2859 | p2p.dev_found = wpas_dev_found; | |
56eeb8f2 | 2860 | p2p.dev_lost = wpas_dev_lost; |
b22128ef JM |
2861 | p2p.start_listen = wpas_start_listen; |
2862 | p2p.stop_listen = wpas_stop_listen; | |
2863 | p2p.send_probe_resp = wpas_send_probe_resp; | |
2864 | p2p.sd_request = wpas_sd_request; | |
2865 | p2p.sd_response = wpas_sd_response; | |
2866 | p2p.prov_disc_req = wpas_prov_disc_req; | |
2867 | p2p.prov_disc_resp = wpas_prov_disc_resp; | |
dd8a7e05 | 2868 | p2p.prov_disc_fail = wpas_prov_disc_fail; |
b22128ef JM |
2869 | p2p.invitation_process = wpas_invitation_process; |
2870 | p2p.invitation_received = wpas_invitation_received; | |
2871 | p2p.invitation_result = wpas_invitation_result; | |
2872 | p2p.get_noa = wpas_get_noa; | |
b1aebbc4 | 2873 | p2p.go_connected = wpas_go_connected; |
b22128ef JM |
2874 | |
2875 | os_memcpy(wpa_s->global->p2p_dev_addr, wpa_s->own_addr, ETH_ALEN); | |
d7e70476 | 2876 | os_memcpy(p2p.dev_addr, wpa_s->global->p2p_dev_addr, ETH_ALEN); |
b22128ef | 2877 | p2p.dev_name = wpa_s->conf->device_name; |
b6e01800 JM |
2878 | p2p.manufacturer = wpa_s->conf->manufacturer; |
2879 | p2p.model_name = wpa_s->conf->model_name; | |
2880 | p2p.model_number = wpa_s->conf->model_number; | |
2881 | p2p.serial_number = wpa_s->conf->serial_number; | |
2882 | if (wpa_s->wps) { | |
2883 | os_memcpy(p2p.uuid, wpa_s->wps->uuid, 16); | |
2884 | p2p.config_methods = wpa_s->wps->config_methods; | |
2885 | } | |
b22128ef JM |
2886 | |
2887 | if (wpa_s->conf->p2p_listen_reg_class && | |
2888 | wpa_s->conf->p2p_listen_channel) { | |
2889 | p2p.reg_class = wpa_s->conf->p2p_listen_reg_class; | |
2890 | p2p.channel = wpa_s->conf->p2p_listen_channel; | |
2891 | } else { | |
2892 | p2p.reg_class = 81; | |
2893 | /* | |
2894 | * Pick one of the social channels randomly as the listen | |
2895 | * channel. | |
2896 | */ | |
2897 | os_get_random((u8 *) &r, sizeof(r)); | |
2898 | p2p.channel = 1 + (r % 3) * 5; | |
2899 | } | |
7cfc4ac3 | 2900 | wpa_printf(MSG_DEBUG, "P2P: Own listen channel: %d", p2p.channel); |
b22128ef JM |
2901 | |
2902 | if (wpa_s->conf->p2p_oper_reg_class && | |
2903 | wpa_s->conf->p2p_oper_channel) { | |
2904 | p2p.op_reg_class = wpa_s->conf->p2p_oper_reg_class; | |
2905 | p2p.op_channel = wpa_s->conf->p2p_oper_channel; | |
7cfc4ac3 AGS |
2906 | p2p.cfg_op_channel = 1; |
2907 | wpa_printf(MSG_DEBUG, "P2P: Configured operating channel: " | |
2908 | "%d:%d", p2p.op_reg_class, p2p.op_channel); | |
2909 | ||
b22128ef JM |
2910 | } else { |
2911 | p2p.op_reg_class = 81; | |
2912 | /* | |
7cfc4ac3 AGS |
2913 | * Use random operation channel from (1, 6, 11) if no other |
2914 | * preference is indicated. | |
b22128ef | 2915 | */ |
b7412dab | 2916 | os_get_random((u8 *) &r, sizeof(r)); |
7cfc4ac3 AGS |
2917 | p2p.op_channel = 1 + (r % 3) * 5; |
2918 | p2p.cfg_op_channel = 0; | |
2919 | wpa_printf(MSG_DEBUG, "P2P: Random operating channel: " | |
2920 | "%d:%d", p2p.op_reg_class, p2p.op_channel); | |
b22128ef | 2921 | } |
b22128ef JM |
2922 | if (wpa_s->conf->country[0] && wpa_s->conf->country[1]) { |
2923 | os_memcpy(p2p.country, wpa_s->conf->country, 2); | |
2924 | p2p.country[2] = 0x04; | |
2925 | } else | |
aaca6505 | 2926 | os_memcpy(p2p.country, "XX\x04", 3); |
b22128ef | 2927 | |
ac8d1011 | 2928 | if (wpas_p2p_setup_channels(wpa_s, &p2p.channels)) { |
b22128ef JM |
2929 | wpa_printf(MSG_ERROR, "P2P: Failed to configure supported " |
2930 | "channel list"); | |
2931 | return -1; | |
2932 | } | |
2933 | ||
2f646b6e JB |
2934 | os_memcpy(p2p.pri_dev_type, wpa_s->conf->device_type, |
2935 | WPS_DEV_TYPE_LEN); | |
b22128ef | 2936 | |
2f646b6e JB |
2937 | p2p.num_sec_dev_types = wpa_s->conf->num_sec_device_types; |
2938 | os_memcpy(p2p.sec_dev_type, wpa_s->conf->sec_device_type, | |
2939 | p2p.num_sec_dev_types * WPS_DEV_TYPE_LEN); | |
b22128ef JM |
2940 | |
2941 | p2p.concurrent_operations = !!(wpa_s->drv_flags & | |
2942 | WPA_DRIVER_FLAGS_P2P_CONCURRENT); | |
2943 | ||
de979d8f | 2944 | p2p.max_peers = 100; |
b22128ef JM |
2945 | |
2946 | if (wpa_s->conf->p2p_ssid_postfix) { | |
2947 | p2p.ssid_postfix_len = | |
2948 | os_strlen(wpa_s->conf->p2p_ssid_postfix); | |
2949 | if (p2p.ssid_postfix_len > sizeof(p2p.ssid_postfix)) | |
2950 | p2p.ssid_postfix_len = sizeof(p2p.ssid_postfix); | |
2951 | os_memcpy(p2p.ssid_postfix, wpa_s->conf->p2p_ssid_postfix, | |
2952 | p2p.ssid_postfix_len); | |
2953 | } | |
2954 | ||
0f66abd2 SS |
2955 | p2p.p2p_intra_bss = wpa_s->conf->p2p_intra_bss; |
2956 | ||
96beff11 JM |
2957 | p2p.max_listen = wpa_s->max_remain_on_chan; |
2958 | ||
b22128ef JM |
2959 | global->p2p = p2p_init(&p2p); |
2960 | if (global->p2p == NULL) | |
2961 | return -1; | |
ab28911d | 2962 | global->p2p_init_wpa_s = wpa_s; |
b22128ef | 2963 | |
f95cac27 JMB |
2964 | for (i = 0; i < MAX_WPS_VENDOR_EXT; i++) { |
2965 | if (wpa_s->conf->wps_vendor_ext[i] == NULL) | |
2966 | continue; | |
2967 | p2p_add_wps_vendor_extension( | |
2968 | global->p2p, wpa_s->conf->wps_vendor_ext[i]); | |
2969 | } | |
2970 | ||
b22128ef JM |
2971 | return 0; |
2972 | } | |
2973 | ||
2974 | ||
2975 | /** | |
2976 | * wpas_p2p_deinit - Deinitialize per-interface P2P data | |
2977 | * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface() | |
2978 | * | |
2979 | * This function deinitialize per-interface P2P data. | |
2980 | */ | |
2981 | void wpas_p2p_deinit(struct wpa_supplicant *wpa_s) | |
2982 | { | |
2983 | if (wpa_s->driver && wpa_s->drv_priv) | |
2984 | wpa_drv_probe_req_report(wpa_s, 0); | |
ec437d9e JJ |
2985 | |
2986 | if (wpa_s->go_params) { | |
2987 | /* Clear any stored provisioning info */ | |
2988 | p2p_clear_provisioning_info( | |
2989 | wpa_s->global->p2p, | |
10531d21 | 2990 | wpa_s->go_params->peer_device_addr); |
ec437d9e JJ |
2991 | } |
2992 | ||
b22128ef JM |
2993 | os_free(wpa_s->go_params); |
2994 | wpa_s->go_params = NULL; | |
b22128ef | 2995 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL); |
ef922c4a | 2996 | eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL); |
b22128ef JM |
2997 | wpa_s->p2p_long_listen = 0; |
2998 | eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL); | |
3071e181 | 2999 | eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL); |
b22128ef JM |
3000 | wpas_p2p_remove_pending_group_interface(wpa_s); |
3001 | ||
3002 | /* TODO: remove group interface from the driver if this wpa_s instance | |
3003 | * is on top of a P2P group interface */ | |
3004 | } | |
3005 | ||
3006 | ||
3007 | /** | |
3008 | * wpas_p2p_deinit_global - Deinitialize global P2P module | |
3009 | * @global: Pointer to global data from wpa_supplicant_init() | |
3010 | * | |
3011 | * This function deinitializes the global (per device) P2P module. | |
3012 | */ | |
3013 | void wpas_p2p_deinit_global(struct wpa_global *global) | |
3014 | { | |
3015 | struct wpa_supplicant *wpa_s, *tmp; | |
b22128ef | 3016 | |
bf428a73 JM |
3017 | wpa_s = global->ifaces; |
3018 | if (wpa_s) | |
3019 | wpas_p2p_service_flush(wpa_s); | |
3020 | ||
b22128ef JM |
3021 | if (global->p2p == NULL) |
3022 | return; | |
3023 | ||
3024 | /* Remove remaining P2P group interfaces */ | |
b22128ef JM |
3025 | while (wpa_s && wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE) |
3026 | wpa_s = wpa_s->next; | |
3027 | while (wpa_s) { | |
b22128ef JM |
3028 | tmp = global->ifaces; |
3029 | while (tmp && | |
3030 | (tmp == wpa_s || | |
3031 | tmp->p2p_group_interface == NOT_P2P_GROUP_INTERFACE)) { | |
3032 | tmp = tmp->next; | |
3033 | } | |
3034 | if (tmp == NULL) | |
3035 | break; | |
103b8f4d NS |
3036 | /* Disconnect from the P2P group and deinit the interface */ |
3037 | wpas_p2p_disconnect(tmp); | |
b22128ef JM |
3038 | } |
3039 | ||
743ef799 JM |
3040 | /* |
3041 | * Deinit GO data on any possibly remaining interface (if main | |
3042 | * interface is used as GO). | |
3043 | */ | |
3044 | for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) { | |
3045 | if (wpa_s->ap_iface) | |
3046 | wpas_p2p_group_deinit(wpa_s); | |
3047 | } | |
3048 | ||
b22128ef JM |
3049 | p2p_deinit(global->p2p); |
3050 | global->p2p = NULL; | |
ab28911d | 3051 | global->p2p_init_wpa_s = NULL; |
b22128ef JM |
3052 | } |
3053 | ||
3054 | ||
3055 | static int wpas_p2p_create_iface(struct wpa_supplicant *wpa_s) | |
3056 | { | |
d76cd41a JM |
3057 | if (wpa_s->conf->p2p_no_group_iface) |
3058 | return 0; /* separate interface disabled per configuration */ | |
971e357f JM |
3059 | if (wpa_s->drv_flags & |
3060 | (WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE | | |
3061 | WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P)) | |
b22128ef JM |
3062 | return 1; /* P2P group requires a new interface in every case |
3063 | */ | |
3064 | if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CONCURRENT)) | |
3065 | return 0; /* driver does not support concurrent operations */ | |
3066 | if (wpa_s->global->ifaces->next) | |
3067 | return 1; /* more that one interface already in use */ | |
3068 | if (wpa_s->wpa_state >= WPA_AUTHENTICATING) | |
3069 | return 1; /* this interface is already in use */ | |
3070 | return 0; | |
3071 | } | |
3072 | ||
3073 | ||
3074 | static int wpas_p2p_start_go_neg(struct wpa_supplicant *wpa_s, | |
3075 | const u8 *peer_addr, | |
3076 | enum p2p_wps_method wps_method, | |
3077 | int go_intent, const u8 *own_interface_addr, | |
23c84252 | 3078 | unsigned int force_freq, int persistent_group, |
04a3e69d | 3079 | struct wpa_ssid *ssid, unsigned int pref_freq) |
b22128ef | 3080 | { |
acc247b2 JM |
3081 | if (persistent_group && wpa_s->conf->persistent_reconnect) |
3082 | persistent_group = 2; | |
3083 | ||
3ac17eba JM |
3084 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) { |
3085 | return wpa_drv_p2p_connect(wpa_s, peer_addr, wps_method, | |
3086 | go_intent, own_interface_addr, | |
3087 | force_freq, persistent_group); | |
3088 | } | |
3089 | ||
4f219667 JM |
3090 | /* |
3091 | * Increase GO config timeout if HT40 is used since it takes some time | |
3092 | * to scan channels for coex purposes before the BSS can be started. | |
3093 | */ | |
3094 | p2p_set_config_timeout(wpa_s->global->p2p, | |
3095 | wpa_s->p2p_go_ht40 ? 255 : 100, 20); | |
3096 | ||
b22128ef JM |
3097 | return p2p_connect(wpa_s->global->p2p, peer_addr, wps_method, |
3098 | go_intent, own_interface_addr, force_freq, | |
23c84252 | 3099 | persistent_group, ssid ? ssid->ssid : NULL, |
3bc462cb | 3100 | ssid ? ssid->ssid_len : 0, |
04a3e69d | 3101 | wpa_s->p2p_pd_before_go_neg, pref_freq); |
b22128ef JM |
3102 | } |
3103 | ||
3104 | ||
3105 | static int wpas_p2p_auth_go_neg(struct wpa_supplicant *wpa_s, | |
3106 | const u8 *peer_addr, | |
3107 | enum p2p_wps_method wps_method, | |
3108 | int go_intent, const u8 *own_interface_addr, | |
23c84252 | 3109 | unsigned int force_freq, int persistent_group, |
04a3e69d | 3110 | struct wpa_ssid *ssid, unsigned int pref_freq) |
b22128ef | 3111 | { |
acc247b2 JM |
3112 | if (persistent_group && wpa_s->conf->persistent_reconnect) |
3113 | persistent_group = 2; | |
3114 | ||
3ac17eba JM |
3115 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
3116 | return -1; | |
3117 | ||
b22128ef JM |
3118 | return p2p_authorize(wpa_s->global->p2p, peer_addr, wps_method, |
3119 | go_intent, own_interface_addr, force_freq, | |
23c84252 | 3120 | persistent_group, ssid ? ssid->ssid : NULL, |
04a3e69d | 3121 | ssid ? ssid->ssid_len : 0, pref_freq); |
b22128ef JM |
3122 | } |
3123 | ||
3124 | ||
9b1ab931 JM |
3125 | static void wpas_p2p_check_join_scan_limit(struct wpa_supplicant *wpa_s) |
3126 | { | |
3127 | wpa_s->p2p_join_scan_count++; | |
3128 | wpa_printf(MSG_DEBUG, "P2P: Join scan attempt %d", | |
3129 | wpa_s->p2p_join_scan_count); | |
3130 | if (wpa_s->p2p_join_scan_count > P2P_MAX_JOIN_SCAN_ATTEMPTS) { | |
3131 | wpa_printf(MSG_DEBUG, "P2P: Failed to find GO " MACSTR | |
3132 | " for join operationg - stop join attempt", | |
3133 | MAC2STR(wpa_s->pending_join_iface_addr)); | |
3134 | eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL); | |
0918c4bf JM |
3135 | if (wpa_s->p2p_auto_pd) { |
3136 | wpa_s->p2p_auto_pd = 0; | |
3137 | wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_FAILURE | |
3138 | " p2p_dev_addr=" MACSTR " status=N/A", | |
3139 | MAC2STR(wpa_s->pending_join_dev_addr)); | |
3140 | return; | |
3141 | } | |
9b1ab931 JM |
3142 | wpa_msg(wpa_s->parent, MSG_INFO, |
3143 | P2P_EVENT_GROUP_FORMATION_FAILURE); | |
3144 | } | |
3145 | } | |
3146 | ||
3147 | ||
4b156206 JM |
3148 | static int wpas_check_freq_conflict(struct wpa_supplicant *wpa_s, int freq) |
3149 | { | |
3150 | struct wpa_supplicant *iface; | |
3151 | int shared_freq; | |
3152 | u8 bssid[ETH_ALEN]; | |
3153 | ||
3154 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_MULTI_CHANNEL_CONCURRENT) | |
3155 | return 0; | |
3156 | ||
3157 | for (iface = wpa_s->global->ifaces; iface; iface = iface->next) { | |
3158 | if (!wpas_p2p_create_iface(wpa_s) && iface == wpa_s) | |
3159 | continue; | |
3160 | if (iface->current_ssid == NULL || iface->assoc_freq == 0) | |
3161 | continue; | |
86ae2e8a JM |
3162 | if (iface->current_ssid->mode == WPAS_MODE_AP || |
3163 | iface->current_ssid->mode == WPAS_MODE_P2P_GO) | |
3164 | shared_freq = iface->current_ssid->frequency; | |
3165 | else if (wpa_drv_get_bssid(iface, bssid) == 0) | |
3166 | shared_freq = iface->assoc_freq; | |
3167 | else | |
3168 | shared_freq = 0; | |
3169 | ||
3170 | if (shared_freq && freq != shared_freq) { | |
3171 | wpa_printf(MSG_DEBUG, "P2P: Frequency conflict - %s " | |
3172 | "connected on %d MHz - new connection on " | |
3173 | "%d MHz", iface->ifname, shared_freq, freq); | |
3174 | return 1; | |
4b156206 JM |
3175 | } |
3176 | } | |
3177 | ||
3178 | shared_freq = wpa_drv_shared_freq(wpa_s); | |
3179 | if (shared_freq > 0 && shared_freq != freq) { | |
3180 | wpa_printf(MSG_DEBUG, "P2P: Frequency conflict - shared " | |
3181 | "virtual interface connected on %d MHz - new " | |
3182 | "connection on %d MHz", shared_freq, freq); | |
3183 | return 1; | |
3184 | } | |
3185 | ||
3186 | return 0; | |
3187 | } | |
3188 | ||
3189 | ||
b31be3a0 JM |
3190 | static int wpas_p2p_peer_go(struct wpa_supplicant *wpa_s, |
3191 | const u8 *peer_dev_addr) | |
3192 | { | |
3193 | struct wpa_bss *bss; | |
3194 | int updated; | |
3195 | ||
3196 | bss = wpa_bss_get_p2p_dev_addr(wpa_s, peer_dev_addr); | |
3197 | if (bss == NULL) | |
aa9bb764 | 3198 | return -1; |
b31be3a0 JM |
3199 | if (bss->last_update_idx < wpa_s->bss_update_idx) { |
3200 | wpa_printf(MSG_DEBUG, "P2P: Peer BSS entry not updated in the " | |
3201 | "last scan"); | |
3202 | return 0; | |
3203 | } | |
3204 | ||
3205 | updated = os_time_before(&wpa_s->p2p_auto_started, &bss->last_update); | |
3206 | wpa_printf(MSG_DEBUG, "P2P: Current BSS entry for peer updated at " | |
3207 | "%ld.%06ld (%supdated in last scan)", | |
3208 | bss->last_update.sec, bss->last_update.usec, | |
3209 | updated ? "": "not "); | |
3210 | ||
3211 | return updated; | |
3212 | } | |
3213 | ||
3214 | ||
ef922c4a JM |
3215 | static void wpas_p2p_scan_res_join(struct wpa_supplicant *wpa_s, |
3216 | struct wpa_scan_results *scan_res) | |
b22128ef JM |
3217 | { |
3218 | struct wpa_bss *bss; | |
f8d0131a | 3219 | int freq; |
54960629 | 3220 | u8 iface_addr[ETH_ALEN]; |
b22128ef | 3221 | |
ef922c4a | 3222 | eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL); |
b22128ef | 3223 | |
ef922c4a JM |
3224 | if (wpa_s->global->p2p_disabled) |
3225 | return; | |
b22128ef | 3226 | |
b31be3a0 JM |
3227 | wpa_printf(MSG_DEBUG, "P2P: Scan results received (%d BSS) for %sjoin", |
3228 | scan_res ? (int) scan_res->num : -1, | |
3229 | wpa_s->p2p_auto_join ? "auto_" : ""); | |
ef922c4a JM |
3230 | |
3231 | if (scan_res) | |
3232 | wpas_p2p_scan_res_handler(wpa_s, scan_res); | |
b22128ef | 3233 | |
0918c4bf JM |
3234 | if (wpa_s->p2p_auto_pd) { |
3235 | int join = wpas_p2p_peer_go(wpa_s, | |
3236 | wpa_s->pending_join_dev_addr); | |
84286a22 SDU |
3237 | if (join == 0 && |
3238 | wpa_s->auto_pd_scan_retry < P2P_AUTO_PD_SCAN_ATTEMPTS) { | |
3239 | wpa_s->auto_pd_scan_retry++; | |
3240 | bss = wpa_bss_get_bssid(wpa_s, | |
3241 | wpa_s->pending_join_dev_addr); | |
3242 | if (bss) { | |
3243 | freq = bss->freq; | |
3244 | wpa_printf(MSG_DEBUG, "P2P: Scan retry %d for " | |
3245 | "the peer " MACSTR " at %d MHz", | |
3246 | wpa_s->auto_pd_scan_retry, | |
3247 | MAC2STR(wpa_s-> | |
3248 | pending_join_dev_addr), | |
3249 | freq); | |
3250 | wpas_p2p_join_scan_req(wpa_s, freq); | |
3251 | return; | |
3252 | } | |
3253 | } | |
3254 | ||
aa9bb764 JM |
3255 | if (join < 0) |
3256 | join = 0; | |
84286a22 | 3257 | |
0918c4bf JM |
3258 | wpa_s->p2p_auto_pd = 0; |
3259 | wpa_s->pending_pd_use = join ? AUTO_PD_JOIN : AUTO_PD_GO_NEG; | |
3260 | wpa_printf(MSG_DEBUG, "P2P: Auto PD with " MACSTR " join=%d", | |
3261 | MAC2STR(wpa_s->pending_join_dev_addr), join); | |
3262 | if (p2p_prov_disc_req(wpa_s->global->p2p, | |
3263 | wpa_s->pending_join_dev_addr, | |
3264 | wpa_s->pending_pd_config_methods, join, | |
67527166 | 3265 | 0, wpa_s->user_initiated_pd) < 0) { |
0918c4bf JM |
3266 | wpa_s->p2p_auto_pd = 0; |
3267 | wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_FAILURE | |
3268 | " p2p_dev_addr=" MACSTR " status=N/A", | |
3269 | MAC2STR(wpa_s->pending_join_dev_addr)); | |
3270 | } | |
3271 | return; | |
3272 | } | |
3273 | ||
b31be3a0 | 3274 | if (wpa_s->p2p_auto_join) { |
aa9bb764 JM |
3275 | int join = wpas_p2p_peer_go(wpa_s, |
3276 | wpa_s->pending_join_dev_addr); | |
3277 | if (join < 0) { | |
b31be3a0 JM |
3278 | wpa_printf(MSG_DEBUG, "P2P: Peer was not found to be " |
3279 | "running a GO -> use GO Negotiation"); | |
3280 | wpas_p2p_connect(wpa_s, wpa_s->pending_join_dev_addr, | |
3281 | wpa_s->p2p_pin, wpa_s->p2p_wps_method, | |
3282 | wpa_s->p2p_persistent_group, 0, 0, 0, | |
3283 | wpa_s->p2p_go_intent, | |
23c84252 | 3284 | wpa_s->p2p_connect_freq, |
3bc462cb | 3285 | wpa_s->p2p_persistent_id, |
e2308e4b RM |
3286 | wpa_s->p2p_pd_before_go_neg, |
3287 | wpa_s->p2p_go_ht40); | |
b31be3a0 JM |
3288 | return; |
3289 | } | |
3290 | ||
aa9bb764 JM |
3291 | wpa_printf(MSG_DEBUG, "P2P: Peer was found running GO%s -> " |
3292 | "try to join the group", join ? "" : | |
3293 | " in older scan"); | |
3294 | if (!join) | |
3295 | wpa_s->p2p_fallback_to_go_neg = 1; | |
b31be3a0 JM |
3296 | } |
3297 | ||
f8d0131a JM |
3298 | freq = p2p_get_oper_freq(wpa_s->global->p2p, |
3299 | wpa_s->pending_join_iface_addr); | |
54960629 AL |
3300 | if (freq < 0 && |
3301 | p2p_get_interface_addr(wpa_s->global->p2p, | |
3302 | wpa_s->pending_join_dev_addr, | |
3303 | iface_addr) == 0 && | |
3304 | os_memcmp(iface_addr, wpa_s->pending_join_dev_addr, ETH_ALEN) != 0) | |
3305 | { | |
3306 | wpa_printf(MSG_DEBUG, "P2P: Overwrite pending interface " | |
3307 | "address for join from " MACSTR " to " MACSTR | |
3308 | " based on newly discovered P2P peer entry", | |
3309 | MAC2STR(wpa_s->pending_join_iface_addr), | |
3310 | MAC2STR(iface_addr)); | |
3311 | os_memcpy(wpa_s->pending_join_iface_addr, iface_addr, | |
3312 | ETH_ALEN); | |
3313 | ||
3314 | freq = p2p_get_oper_freq(wpa_s->global->p2p, | |
3315 | wpa_s->pending_join_iface_addr); | |
3316 | } | |
f8d0131a JM |
3317 | if (freq >= 0) { |
3318 | wpa_printf(MSG_DEBUG, "P2P: Target GO operating frequency " | |
3319 | "from P2P peer table: %d MHz", freq); | |
3320 | } | |
ef922c4a | 3321 | bss = wpa_bss_get_bssid(wpa_s, wpa_s->pending_join_iface_addr); |
b22128ef | 3322 | if (bss) { |
f8d0131a JM |
3323 | freq = bss->freq; |
3324 | wpa_printf(MSG_DEBUG, "P2P: Target GO operating frequency " | |
3325 | "from BSS table: %d MHz", freq); | |
3326 | } | |
3327 | if (freq > 0) { | |
b22128ef JM |
3328 | u16 method; |
3329 | ||
4b156206 JM |
3330 | if (wpas_check_freq_conflict(wpa_s, freq) > 0) { |
3331 | wpa_msg(wpa_s->parent, MSG_INFO, | |
3332 | P2P_EVENT_GROUP_FORMATION_FAILURE | |
3333 | "reason=FREQ_CONFLICT"); | |
3334 | return; | |
3335 | } | |
3336 | ||
b22128ef JM |
3337 | wpa_printf(MSG_DEBUG, "P2P: Send Provision Discovery Request " |
3338 | "prior to joining an existing group (GO " MACSTR | |
3339 | " freq=%u MHz)", | |
f8d0131a | 3340 | MAC2STR(wpa_s->pending_join_dev_addr), freq); |
b22128ef JM |
3341 | wpa_s->pending_pd_before_join = 1; |
3342 | ||
ef922c4a | 3343 | switch (wpa_s->pending_join_wps_method) { |
b22128ef JM |
3344 | case WPS_PIN_DISPLAY: |
3345 | method = WPS_CONFIG_KEYPAD; | |
3346 | break; | |
3347 | case WPS_PIN_KEYPAD: | |
3348 | method = WPS_CONFIG_DISPLAY; | |
3349 | break; | |
3350 | case WPS_PBC: | |
3351 | method = WPS_CONFIG_PUSHBUTTON; | |
3352 | break; | |
3353 | default: | |
3354 | method = 0; | |
3355 | break; | |
3356 | } | |
3357 | ||
ec437d9e JJ |
3358 | if ((p2p_get_provisioning_info(wpa_s->global->p2p, |
3359 | wpa_s->pending_join_dev_addr) == | |
3360 | method)) { | |
3361 | /* | |
3362 | * We have already performed provision discovery for | |
3363 | * joining the group. Proceed directly to join | |
3364 | * operation without duplicated provision discovery. */ | |
e3a0706b | 3365 | wpa_printf(MSG_DEBUG, "P2P: Provision discovery " |
ec437d9e JJ |
3366 | "with " MACSTR " already done - proceed to " |
3367 | "join", | |
3368 | MAC2STR(wpa_s->pending_join_dev_addr)); | |
3369 | wpa_s->pending_pd_before_join = 0; | |
3370 | goto start; | |
3371 | } | |
3372 | ||
ef922c4a | 3373 | if (p2p_prov_disc_req(wpa_s->global->p2p, |
1ef2f7ff | 3374 | wpa_s->pending_join_dev_addr, method, 1, |
67527166 | 3375 | freq, wpa_s->user_initiated_pd) < 0) { |
b22128ef JM |
3376 | wpa_printf(MSG_DEBUG, "P2P: Failed to send Provision " |
3377 | "Discovery Request before joining an " | |
3378 | "existing group"); | |
3379 | wpa_s->pending_pd_before_join = 0; | |
3380 | goto start; | |
3381 | } | |
ef922c4a | 3382 | return; |
b22128ef JM |
3383 | } |
3384 | ||
9b1ab931 JM |
3385 | wpa_printf(MSG_DEBUG, "P2P: Failed to find BSS/GO - try again later"); |
3386 | eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL); | |
3387 | eloop_register_timeout(1, 0, wpas_p2p_join_scan, wpa_s, NULL); | |
3388 | wpas_p2p_check_join_scan_limit(wpa_s); | |
3389 | return; | |
b22128ef JM |
3390 | |
3391 | start: | |
3392 | /* Start join operation immediately */ | |
ef922c4a JM |
3393 | wpas_p2p_join_start(wpa_s); |
3394 | } | |
3395 | ||
3396 | ||
84286a22 | 3397 | static void wpas_p2p_join_scan_req(struct wpa_supplicant *wpa_s, int freq) |
ef922c4a | 3398 | { |
ef922c4a JM |
3399 | int ret; |
3400 | struct wpa_driver_scan_params params; | |
3401 | struct wpabuf *wps_ie, *ies; | |
206e1f42 | 3402 | size_t ielen; |
84286a22 | 3403 | int freqs[2] = { 0, 0 }; |
ef922c4a JM |
3404 | |
3405 | os_memset(¶ms, 0, sizeof(params)); | |
3406 | ||
3407 | /* P2P Wildcard SSID */ | |
3408 | params.num_ssids = 1; | |
3409 | params.ssids[0].ssid = (u8 *) P2P_WILDCARD_SSID; | |
3410 | params.ssids[0].ssid_len = P2P_WILDCARD_SSID_LEN; | |
3411 | ||
3412 | wpa_s->wps->dev.p2p = 1; | |
360182ed JM |
3413 | wps_ie = wps_build_probe_req_ie(DEV_PW_DEFAULT, &wpa_s->wps->dev, |
3414 | wpa_s->wps->uuid, WPS_REQ_ENROLLEE, 0, | |
3415 | NULL); | |
ef922c4a JM |
3416 | if (wps_ie == NULL) { |
3417 | wpas_p2p_scan_res_join(wpa_s, NULL); | |
3418 | return; | |
3419 | } | |
3420 | ||
206e1f42 JM |
3421 | ielen = p2p_scan_ie_buf_len(wpa_s->global->p2p); |
3422 | ies = wpabuf_alloc(wpabuf_len(wps_ie) + ielen); | |
ef922c4a JM |
3423 | if (ies == NULL) { |
3424 | wpabuf_free(wps_ie); | |
3425 | wpas_p2p_scan_res_join(wpa_s, NULL); | |
3426 | return; | |
3427 | } | |
3428 | wpabuf_put_buf(ies, wps_ie); | |
3429 | wpabuf_free(wps_ie); | |
3430 | ||
6d92fa6e | 3431 | p2p_scan_ie(wpa_s->global->p2p, ies, NULL); |
ef922c4a | 3432 | |
47185fc7 | 3433 | params.p2p_probe = 1; |
ef922c4a JM |
3434 | params.extra_ies = wpabuf_head(ies); |
3435 | params.extra_ies_len = wpabuf_len(ies); | |
84286a22 SDU |
3436 | if (freq > 0) { |
3437 | freqs[0] = freq; | |
3438 | params.freqs = freqs; | |
3439 | } | |
ef922c4a JM |
3440 | |
3441 | /* | |
3442 | * Run a scan to update BSS table and start Provision Discovery once | |
3443 | * the new scan results become available. | |
3444 | */ | |
17fbb751 | 3445 | ret = wpa_drv_scan(wpa_s, ¶ms); |
205e6474 JM |
3446 | if (!ret) |
3447 | wpa_s->scan_res_handler = wpas_p2p_scan_res_join; | |
ef922c4a JM |
3448 | |
3449 | wpabuf_free(ies); | |
3450 | ||
3451 | if (ret) { | |
3452 | wpa_printf(MSG_DEBUG, "P2P: Failed to start scan for join - " | |
3453 | "try again later"); | |
3454 | eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL); | |
3455 | eloop_register_timeout(1, 0, wpas_p2p_join_scan, wpa_s, NULL); | |
9b1ab931 | 3456 | wpas_p2p_check_join_scan_limit(wpa_s); |
ef922c4a JM |
3457 | } |
3458 | } | |
3459 | ||
3460 | ||
84286a22 SDU |
3461 | static void wpas_p2p_join_scan(void *eloop_ctx, void *timeout_ctx) |
3462 | { | |
3463 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
3464 | wpas_p2p_join_scan_req(wpa_s, 0); | |
3465 | } | |
3466 | ||
3467 | ||
ef922c4a | 3468 | static int wpas_p2p_join(struct wpa_supplicant *wpa_s, const u8 *iface_addr, |
b31be3a0 JM |
3469 | const u8 *dev_addr, enum p2p_wps_method wps_method, |
3470 | int auto_join) | |
ef922c4a JM |
3471 | { |
3472 | wpa_printf(MSG_DEBUG, "P2P: Request to join existing group (iface " | |
b31be3a0 JM |
3473 | MACSTR " dev " MACSTR ")%s", |
3474 | MAC2STR(iface_addr), MAC2STR(dev_addr), | |
3475 | auto_join ? " (auto_join)" : ""); | |
ef922c4a | 3476 | |
0918c4bf | 3477 | wpa_s->p2p_auto_pd = 0; |
b31be3a0 | 3478 | wpa_s->p2p_auto_join = !!auto_join; |
ef922c4a JM |
3479 | os_memcpy(wpa_s->pending_join_iface_addr, iface_addr, ETH_ALEN); |
3480 | os_memcpy(wpa_s->pending_join_dev_addr, dev_addr, ETH_ALEN); | |
3481 | wpa_s->pending_join_wps_method = wps_method; | |
3482 | ||
3483 | /* Make sure we are not running find during connection establishment */ | |
3484 | wpas_p2p_stop_find(wpa_s); | |
3485 | ||
9b1ab931 | 3486 | wpa_s->p2p_join_scan_count = 0; |
ef922c4a JM |
3487 | wpas_p2p_join_scan(wpa_s, NULL); |
3488 | return 0; | |
b22128ef JM |
3489 | } |
3490 | ||
3491 | ||
3492 | static int wpas_p2p_join_start(struct wpa_supplicant *wpa_s) | |
3493 | { | |
3494 | struct wpa_supplicant *group; | |
3495 | struct p2p_go_neg_results res; | |
8e64f258 | 3496 | struct wpa_bss *bss; |
b22128ef JM |
3497 | |
3498 | group = wpas_p2p_get_group_iface(wpa_s, 0, 0); | |
3499 | if (group == NULL) | |
3500 | return -1; | |
3c5126a4 | 3501 | if (group != wpa_s) { |
b22128ef JM |
3502 | os_memcpy(group->p2p_pin, wpa_s->p2p_pin, |
3503 | sizeof(group->p2p_pin)); | |
3c5126a4 | 3504 | group->p2p_wps_method = wpa_s->p2p_wps_method; |
2b79164f JM |
3505 | } else { |
3506 | /* | |
3507 | * Need to mark the current interface for p2p_group_formation | |
3508 | * when a separate group interface is not used. This is needed | |
3509 | * to allow p2p_cancel stop a pending p2p_connect-join. | |
3510 | * wpas_p2p_init_group_interface() addresses this for the case | |
3511 | * where a separate group interface is used. | |
3512 | */ | |
3513 | wpa_s->global->p2p_group_formation = wpa_s; | |
3c5126a4 | 3514 | } |
b22128ef JM |
3515 | |
3516 | group->p2p_in_provisioning = 1; | |
aa9bb764 | 3517 | group->p2p_fallback_to_go_neg = wpa_s->p2p_fallback_to_go_neg; |
b22128ef JM |
3518 | |
3519 | os_memset(&res, 0, sizeof(res)); | |
3520 | os_memcpy(res.peer_interface_addr, wpa_s->pending_join_iface_addr, | |
3521 | ETH_ALEN); | |
3522 | res.wps_method = wpa_s->pending_join_wps_method; | |
8e64f258 JM |
3523 | bss = wpa_bss_get_bssid(wpa_s, wpa_s->pending_join_iface_addr); |
3524 | if (bss) { | |
3525 | res.freq = bss->freq; | |
3526 | res.ssid_len = bss->ssid_len; | |
3527 | os_memcpy(res.ssid, bss->ssid, bss->ssid_len); | |
3528 | } | |
3529 | ||
e91829f9 JM |
3530 | if (wpa_s->off_channel_freq || wpa_s->roc_waiting_drv_freq) { |
3531 | wpa_printf(MSG_DEBUG, "P2P: Cancel remain-on-channel prior to " | |
3532 | "starting client"); | |
3533 | wpa_drv_cancel_remain_on_channel(wpa_s); | |
3534 | wpa_s->off_channel_freq = 0; | |
3535 | wpa_s->roc_waiting_drv_freq = 0; | |
3536 | } | |
b22128ef JM |
3537 | wpas_start_wps_enrollee(group, &res); |
3538 | ||
3094d483 JM |
3539 | /* |
3540 | * Allow a longer timeout for join-a-running-group than normal 15 | |
3541 | * second group formation timeout since the GO may not have authorized | |
3542 | * our connection yet. | |
3543 | */ | |
3544 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL); | |
3545 | eloop_register_timeout(60, 0, wpas_p2p_group_formation_timeout, | |
3546 | wpa_s, NULL); | |
3547 | ||
b22128ef JM |
3548 | return 0; |
3549 | } | |
3550 | ||
3551 | ||
5de4b721 JM |
3552 | static int wpas_p2p_setup_freqs(struct wpa_supplicant *wpa_s, int freq, |
3553 | int *force_freq, int *pref_freq, | |
3554 | int *oper_freq) | |
3555 | { | |
3556 | if (freq > 0) { | |
3557 | if (!p2p_supported_freq(wpa_s->global->p2p, freq)) { | |
3558 | wpa_printf(MSG_DEBUG, "P2P: The forced channel " | |
3559 | "(%u MHz) is not supported for P2P uses", | |
3560 | freq); | |
3561 | return -3; | |
3562 | } | |
3563 | ||
3564 | if (*oper_freq > 0 && freq != *oper_freq && | |
3565 | !(wpa_s->drv_flags & | |
3566 | WPA_DRIVER_FLAGS_MULTI_CHANNEL_CONCURRENT)) { | |
3567 | wpa_printf(MSG_DEBUG, "P2P: Cannot start P2P group " | |
3568 | "on %u MHz while connected on another " | |
3569 | "channel (%u MHz)", freq, *oper_freq); | |
3570 | return -2; | |
3571 | } | |
3572 | wpa_printf(MSG_DEBUG, "P2P: Trying to force us to use the " | |
3573 | "requested channel (%u MHz)", freq); | |
3574 | *force_freq = freq; | |
3575 | } else if (*oper_freq > 0 && | |
3576 | !p2p_supported_freq(wpa_s->global->p2p, *oper_freq)) { | |
3577 | if (!(wpa_s->drv_flags & | |
3578 | WPA_DRIVER_FLAGS_MULTI_CHANNEL_CONCURRENT)) { | |
3579 | wpa_printf(MSG_DEBUG, "P2P: Cannot start P2P group " | |
3580 | "while connected on non-P2P supported " | |
3581 | "channel (%u MHz)", *oper_freq); | |
3582 | return -2; | |
3583 | } | |
3584 | wpa_printf(MSG_DEBUG, "P2P: Current operating channel " | |
3585 | "(%u MHz) not available for P2P - try to use " | |
3586 | "another channel", *oper_freq); | |
3587 | *force_freq = 0; | |
3588 | } else if (*oper_freq > 0 && | |
3589 | (wpa_s->drv_flags & | |
3590 | WPA_DRIVER_FLAGS_MULTI_CHANNEL_CONCURRENT)) { | |
3591 | wpa_printf(MSG_DEBUG, "P2P: Trying to prefer the channel we " | |
3592 | "are already using (%u MHz) on another interface", | |
3593 | *oper_freq); | |
3594 | *pref_freq = *oper_freq; | |
3595 | } else if (*oper_freq > 0) { | |
3596 | wpa_printf(MSG_DEBUG, "P2P: Trying to force us to use the " | |
3597 | "channel we are already using (%u MHz) on another " | |
3598 | "interface", *oper_freq); | |
3599 | *force_freq = *oper_freq; | |
3600 | } | |
3601 | ||
3602 | return 0; | |
3603 | } | |
3604 | ||
3605 | ||
b22128ef JM |
3606 | /** |
3607 | * wpas_p2p_connect - Request P2P Group Formation to be started | |
3608 | * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface() | |
3609 | * @peer_addr: Address of the peer P2P Device | |
3610 | * @pin: PIN to use during provisioning or %NULL to indicate PBC mode | |
3611 | * @persistent_group: Whether to create a persistent group | |
b31be3a0 | 3612 | * @auto_join: Whether to select join vs. GO Negotiation automatically |
b22128ef JM |
3613 | * @join: Whether to join an existing group (as a client) instead of starting |
3614 | * Group Owner negotiation; @peer_addr is BSSID in that case | |
3615 | * @auth: Whether to only authorize the connection instead of doing that and | |
3616 | * initiating Group Owner negotiation | |
3617 | * @go_intent: GO Intent or -1 to use default | |
3618 | * @freq: Frequency for the group or 0 for auto-selection | |
23c84252 JM |
3619 | * @persistent_id: Persistent group credentials to use for forcing GO |
3620 | * parameters or -1 to generate new values (SSID/passphrase) | |
3bc462cb JM |
3621 | * @pd: Whether to send Provision Discovery prior to GO Negotiation as an |
3622 | * interoperability workaround when initiating group formation | |
e2308e4b | 3623 | * @ht40: Start GO with 40 MHz channel width |
d054a462 JM |
3624 | * Returns: 0 or new PIN (if pin was %NULL) on success, -1 on unspecified |
3625 | * failure, -2 on failure due to channel not currently available, | |
3626 | * -3 if forced channel is not supported | |
b22128ef JM |
3627 | */ |
3628 | int wpas_p2p_connect(struct wpa_supplicant *wpa_s, const u8 *peer_addr, | |
3629 | const char *pin, enum p2p_wps_method wps_method, | |
b31be3a0 | 3630 | int persistent_group, int auto_join, int join, int auth, |
e2308e4b RM |
3631 | int go_intent, int freq, int persistent_id, int pd, |
3632 | int ht40) | |
b22128ef | 3633 | { |
04a3e69d | 3634 | int force_freq = 0, pref_freq = 0, oper_freq = 0; |
b22128ef | 3635 | u8 bssid[ETH_ALEN]; |
5de4b721 | 3636 | int ret = 0, res; |
b22128ef | 3637 | enum wpa_driver_if_type iftype; |
6cad95db | 3638 | const u8 *if_addr; |
23c84252 | 3639 | struct wpa_ssid *ssid = NULL; |
b22128ef | 3640 | |
9526fd29 JM |
3641 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
3642 | return -1; | |
3643 | ||
23c84252 JM |
3644 | if (persistent_id >= 0) { |
3645 | ssid = wpa_config_get_network(wpa_s->conf, persistent_id); | |
3646 | if (ssid == NULL || ssid->disabled != 2 || | |
3647 | ssid->mode != WPAS_MODE_P2P_GO) | |
3648 | return -1; | |
3649 | } | |
3650 | ||
b22128ef JM |
3651 | if (go_intent < 0) |
3652 | go_intent = wpa_s->conf->p2p_go_intent; | |
3653 | ||
3654 | if (!auth) | |
3655 | wpa_s->p2p_long_listen = 0; | |
3656 | ||
3c5126a4 | 3657 | wpa_s->p2p_wps_method = wps_method; |
b31be3a0 | 3658 | wpa_s->p2p_persistent_group = !!persistent_group; |
23c84252 | 3659 | wpa_s->p2p_persistent_id = persistent_id; |
b31be3a0 JM |
3660 | wpa_s->p2p_go_intent = go_intent; |
3661 | wpa_s->p2p_connect_freq = freq; | |
aa9bb764 | 3662 | wpa_s->p2p_fallback_to_go_neg = 0; |
3bc462cb | 3663 | wpa_s->p2p_pd_before_go_neg = !!pd; |
e2308e4b | 3664 | wpa_s->p2p_go_ht40 = !!ht40; |
3c5126a4 | 3665 | |
b22128ef JM |
3666 | if (pin) |
3667 | os_strlcpy(wpa_s->p2p_pin, pin, sizeof(wpa_s->p2p_pin)); | |
3668 | else if (wps_method == WPS_PIN_DISPLAY) { | |
3669 | ret = wps_generate_pin(); | |
3670 | os_snprintf(wpa_s->p2p_pin, sizeof(wpa_s->p2p_pin), "%08d", | |
3671 | ret); | |
3672 | wpa_printf(MSG_DEBUG, "P2P: Randomly generated PIN: %s", | |
3673 | wpa_s->p2p_pin); | |
3674 | } else | |
3675 | wpa_s->p2p_pin[0] = '\0'; | |
3676 | ||
b31be3a0 | 3677 | if (join || auto_join) { |
4147a2cc | 3678 | u8 iface_addr[ETH_ALEN], dev_addr[ETH_ALEN]; |
108def93 JM |
3679 | if (auth) { |
3680 | wpa_printf(MSG_DEBUG, "P2P: Authorize invitation to " | |
3681 | "connect a running group from " MACSTR, | |
3682 | MAC2STR(peer_addr)); | |
3683 | os_memcpy(wpa_s->p2p_auth_invite, peer_addr, ETH_ALEN); | |
3684 | return ret; | |
3685 | } | |
4147a2cc | 3686 | os_memcpy(dev_addr, peer_addr, ETH_ALEN); |
b22128ef | 3687 | if (p2p_get_interface_addr(wpa_s->global->p2p, peer_addr, |
4147a2cc | 3688 | iface_addr) < 0) { |
b22128ef | 3689 | os_memcpy(iface_addr, peer_addr, ETH_ALEN); |
4147a2cc JM |
3690 | p2p_get_dev_addr(wpa_s->global->p2p, peer_addr, |
3691 | dev_addr); | |
3692 | } | |
b31be3a0 JM |
3693 | if (auto_join) { |
3694 | os_get_time(&wpa_s->p2p_auto_started); | |
3695 | wpa_printf(MSG_DEBUG, "P2P: Auto join started at " | |
3696 | "%ld.%06ld", | |
3697 | wpa_s->p2p_auto_started.sec, | |
3698 | wpa_s->p2p_auto_started.usec); | |
3699 | } | |
67527166 | 3700 | wpa_s->user_initiated_pd = 1; |
b31be3a0 JM |
3701 | if (wpas_p2p_join(wpa_s, iface_addr, dev_addr, wps_method, |
3702 | auto_join) < 0) | |
b22128ef JM |
3703 | return -1; |
3704 | return ret; | |
3705 | } | |
3706 | ||
d054a462 | 3707 | if (wpa_s->current_ssid && wpa_drv_get_bssid(wpa_s, bssid) == 0 && |
5de4b721 | 3708 | wpa_s->assoc_freq) { |
d054a462 | 3709 | oper_freq = wpa_s->assoc_freq; |
5de4b721 | 3710 | } else { |
d054a462 JM |
3711 | oper_freq = wpa_drv_shared_freq(wpa_s); |
3712 | if (oper_freq < 0) | |
3713 | oper_freq = 0; | |
b22128ef JM |
3714 | } |
3715 | ||
5de4b721 JM |
3716 | res = wpas_p2p_setup_freqs(wpa_s, freq, &force_freq, &pref_freq, |
3717 | &oper_freq); | |
3718 | if (res) | |
3719 | return res; | |
b22128ef JM |
3720 | |
3721 | wpa_s->create_p2p_iface = wpas_p2p_create_iface(wpa_s); | |
3722 | ||
6cad95db JB |
3723 | if (wpa_s->create_p2p_iface) { |
3724 | /* Prepare to add a new interface for the group */ | |
3725 | iftype = WPA_IF_P2P_GROUP; | |
3726 | if (go_intent == 15) | |
3727 | iftype = WPA_IF_P2P_GO; | |
3728 | if (wpas_p2p_add_group_interface(wpa_s, iftype) < 0) { | |
3729 | wpa_printf(MSG_ERROR, "P2P: Failed to allocate a new " | |
3730 | "interface for the group"); | |
b22128ef | 3731 | return -1; |
6cad95db | 3732 | } |
b22128ef | 3733 | |
6cad95db JB |
3734 | if_addr = wpa_s->pending_interface_addr; |
3735 | } else | |
3736 | if_addr = wpa_s->own_addr; | |
b22128ef JM |
3737 | |
3738 | if (auth) { | |
3739 | if (wpas_p2p_auth_go_neg(wpa_s, peer_addr, wps_method, | |
6cad95db | 3740 | go_intent, if_addr, |
04a3e69d JM |
3741 | force_freq, persistent_group, ssid, |
3742 | pref_freq) < 0) | |
b22128ef JM |
3743 | return -1; |
3744 | return ret; | |
3745 | } | |
6cad95db JB |
3746 | |
3747 | if (wpas_p2p_start_go_neg(wpa_s, peer_addr, wps_method, | |
3748 | go_intent, if_addr, force_freq, | |
04a3e69d | 3749 | persistent_group, ssid, pref_freq) < 0) { |
6cad95db JB |
3750 | if (wpa_s->create_p2p_iface) |
3751 | wpas_p2p_remove_pending_group_interface(wpa_s); | |
b22128ef JM |
3752 | return -1; |
3753 | } | |
3754 | return ret; | |
3755 | } | |
3756 | ||
3757 | ||
3758 | /** | |
3759 | * wpas_p2p_remain_on_channel_cb - Indication of remain-on-channel start | |
3760 | * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface() | |
3761 | * @freq: Frequency of the channel in MHz | |
3762 | * @duration: Duration of the stay on the channel in milliseconds | |
3763 | * | |
3764 | * This callback is called when the driver indicates that it has started the | |
3765 | * requested remain-on-channel duration. | |
3766 | */ | |
3767 | void wpas_p2p_remain_on_channel_cb(struct wpa_supplicant *wpa_s, | |
3768 | unsigned int freq, unsigned int duration) | |
3769 | { | |
9526fd29 JM |
3770 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
3771 | return; | |
b22128ef JM |
3772 | if (wpa_s->off_channel_freq == wpa_s->pending_listen_freq) { |
3773 | p2p_listen_cb(wpa_s->global->p2p, wpa_s->pending_listen_freq, | |
3774 | wpa_s->pending_listen_duration); | |
3775 | wpa_s->pending_listen_freq = 0; | |
3776 | } | |
3777 | } | |
3778 | ||
3779 | ||
3780 | static int wpas_p2p_listen_start(struct wpa_supplicant *wpa_s, | |
3781 | unsigned int timeout) | |
3782 | { | |
3783 | /* Limit maximum Listen state time based on driver limitation. */ | |
3784 | if (timeout > wpa_s->max_remain_on_chan) | |
3785 | timeout = wpa_s->max_remain_on_chan; | |
3786 | ||
3ac17eba JM |
3787 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
3788 | return wpa_drv_p2p_listen(wpa_s, timeout); | |
3789 | ||
b22128ef JM |
3790 | return p2p_listen(wpa_s->global->p2p, timeout); |
3791 | } | |
3792 | ||
3793 | ||
3794 | /** | |
3795 | * wpas_p2p_cancel_remain_on_channel_cb - Remain-on-channel timeout | |
3796 | * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface() | |
3797 | * @freq: Frequency of the channel in MHz | |
3798 | * | |
3799 | * This callback is called when the driver indicates that a remain-on-channel | |
3800 | * operation has been completed, i.e., the duration on the requested channel | |
3801 | * has timed out. | |
3802 | */ | |
3803 | void wpas_p2p_cancel_remain_on_channel_cb(struct wpa_supplicant *wpa_s, | |
3804 | unsigned int freq) | |
3805 | { | |
1cc3a29d | 3806 | wpa_printf(MSG_DEBUG, "P2P: Cancel remain-on-channel callback " |
11fb02be | 3807 | "(p2p_long_listen=%d ms pending_action_tx=%p)", |
2f3101d8 | 3808 | wpa_s->p2p_long_listen, offchannel_pending_action_tx(wpa_s)); |
9526fd29 JM |
3809 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
3810 | return; | |
b22128ef JM |
3811 | if (p2p_listen_end(wpa_s->global->p2p, freq) > 0) |
3812 | return; /* P2P module started a new operation */ | |
2f3101d8 | 3813 | if (offchannel_pending_action_tx(wpa_s)) |
b22128ef JM |
3814 | return; |
3815 | if (wpa_s->p2p_long_listen > 0) | |
11fb02be | 3816 | wpa_s->p2p_long_listen -= wpa_s->max_remain_on_chan; |
b22128ef JM |
3817 | if (wpa_s->p2p_long_listen > 0) { |
3818 | wpa_printf(MSG_DEBUG, "P2P: Continuing long Listen state"); | |
11fb02be | 3819 | wpas_p2p_listen_start(wpa_s, wpa_s->p2p_long_listen); |
b22128ef JM |
3820 | } |
3821 | } | |
3822 | ||
3823 | ||
3824 | /** | |
3825 | * wpas_p2p_group_remove - Remove a P2P group | |
3826 | * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface() | |
3827 | * @ifname: Network interface name of the group interface or "*" to remove all | |
3828 | * groups | |
3829 | * Returns: 0 on success, -1 on failure | |
3830 | * | |
3831 | * This function is used to remove a P2P group. This can be used to disconnect | |
3832 | * from a group in which the local end is a P2P Client or to end a P2P Group in | |
3833 | * case the local end is the Group Owner. If a virtual network interface was | |
3834 | * created for this group, that interface will be removed. Otherwise, only the | |
3835 | * configured P2P group network will be removed from the interface. | |
3836 | */ | |
3837 | int wpas_p2p_group_remove(struct wpa_supplicant *wpa_s, const char *ifname) | |
3838 | { | |
3839 | struct wpa_global *global = wpa_s->global; | |
3840 | ||
3841 | if (os_strcmp(ifname, "*") == 0) { | |
3842 | struct wpa_supplicant *prev; | |
3843 | wpa_s = global->ifaces; | |
3844 | while (wpa_s) { | |
3845 | prev = wpa_s; | |
3846 | wpa_s = wpa_s->next; | |
3103f345 | 3847 | wpas_p2p_disconnect(prev); |
b22128ef JM |
3848 | } |
3849 | return 0; | |
3850 | } | |
3851 | ||
3852 | for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) { | |
3853 | if (os_strcmp(wpa_s->ifname, ifname) == 0) | |
3854 | break; | |
3855 | } | |
3856 | ||
3103f345 | 3857 | return wpas_p2p_disconnect(wpa_s); |
b22128ef JM |
3858 | } |
3859 | ||
3860 | ||
b8349523 NKG |
3861 | static int wpas_p2p_init_go_params(struct wpa_supplicant *wpa_s, |
3862 | struct p2p_go_neg_results *params, | |
7aeac985 | 3863 | int freq, int ht40) |
b22128ef JM |
3864 | { |
3865 | u8 bssid[ETH_ALEN]; | |
3866 | int res; | |
3867 | ||
3868 | os_memset(params, 0, sizeof(*params)); | |
3869 | params->role_go = 1; | |
7aeac985 | 3870 | params->ht40 = ht40; |
7cfc4ac3 AGS |
3871 | if (freq) { |
3872 | wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on forced " | |
3873 | "frequency %d MHz", freq); | |
b22128ef | 3874 | params->freq = freq; |
7cfc4ac3 AGS |
3875 | } else if (wpa_s->conf->p2p_oper_reg_class == 81 && |
3876 | wpa_s->conf->p2p_oper_channel >= 1 && | |
3877 | wpa_s->conf->p2p_oper_channel <= 11) { | |
b22128ef | 3878 | params->freq = 2407 + 5 * wpa_s->conf->p2p_oper_channel; |
7cfc4ac3 AGS |
3879 | wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on configured " |
3880 | "frequency %d MHz", params->freq); | |
3881 | } else if (wpa_s->conf->p2p_oper_reg_class == 115 || | |
409ca9a8 JM |
3882 | wpa_s->conf->p2p_oper_reg_class == 116 || |
3883 | wpa_s->conf->p2p_oper_reg_class == 117 || | |
3884 | wpa_s->conf->p2p_oper_reg_class == 124 || | |
3885 | wpa_s->conf->p2p_oper_reg_class == 126 || | |
3886 | wpa_s->conf->p2p_oper_reg_class == 127) { | |
b22128ef | 3887 | params->freq = 5000 + 5 * wpa_s->conf->p2p_oper_channel; |
7cfc4ac3 AGS |
3888 | wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on configured " |
3889 | "frequency %d MHz", params->freq); | |
3890 | } else if (wpa_s->conf->p2p_oper_channel == 0 && | |
3891 | wpa_s->best_overall_freq > 0 && | |
3892 | p2p_supported_freq(wpa_s->global->p2p, | |
3893 | wpa_s->best_overall_freq)) { | |
3894 | params->freq = wpa_s->best_overall_freq; | |
3895 | wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on best overall " | |
3896 | "channel %d MHz", params->freq); | |
3897 | } else if (wpa_s->conf->p2p_oper_channel == 0 && | |
3898 | wpa_s->best_24_freq > 0 && | |
3899 | p2p_supported_freq(wpa_s->global->p2p, | |
3900 | wpa_s->best_24_freq)) { | |
3901 | params->freq = wpa_s->best_24_freq; | |
3902 | wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on best 2.4 GHz " | |
3903 | "channel %d MHz", params->freq); | |
3904 | } else if (wpa_s->conf->p2p_oper_channel == 0 && | |
3905 | wpa_s->best_5_freq > 0 && | |
3906 | p2p_supported_freq(wpa_s->global->p2p, | |
3907 | wpa_s->best_5_freq)) { | |
3908 | params->freq = wpa_s->best_5_freq; | |
3909 | wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on best 5 GHz " | |
3910 | "channel %d MHz", params->freq); | |
3911 | } else { | |
6f3bc72b JM |
3912 | int chan; |
3913 | for (chan = 0; chan < 11; chan++) { | |
3914 | params->freq = 2412 + chan * 5; | |
3915 | if (!wpas_p2p_disallowed_freq(wpa_s->global, | |
3916 | params->freq)) | |
3917 | break; | |
3918 | } | |
3919 | if (chan == 11) { | |
3920 | wpa_printf(MSG_DEBUG, "P2P: No 2.4 GHz channel " | |
3921 | "allowed"); | |
3922 | return -1; | |
3923 | } | |
7cfc4ac3 AGS |
3924 | wpa_printf(MSG_DEBUG, "P2P: Set GO freq %d MHz (no preference " |
3925 | "known)", params->freq); | |
3926 | } | |
3927 | ||
b22128ef JM |
3928 | if (wpa_s->current_ssid && wpa_drv_get_bssid(wpa_s, bssid) == 0 && |
3929 | wpa_s->assoc_freq && !freq) { | |
3930 | wpa_printf(MSG_DEBUG, "P2P: Force GO on the channel we are " | |
3931 | "already using"); | |
3932 | params->freq = wpa_s->assoc_freq; | |
3933 | } | |
3934 | ||
3935 | res = wpa_drv_shared_freq(wpa_s); | |
3936 | if (res > 0 && !freq) { | |
3937 | wpa_printf(MSG_DEBUG, "P2P: Force GO on the channel we are " | |
3938 | "already using on a shared interface"); | |
3939 | params->freq = res; | |
b8349523 NKG |
3940 | } else if (res > 0 && freq != res && |
3941 | !(wpa_s->drv_flags & | |
3942 | WPA_DRIVER_FLAGS_MULTI_CHANNEL_CONCURRENT)) { | |
3943 | wpa_printf(MSG_DEBUG, "P2P: Cannot start P2P group on %u MHz " | |
3944 | "while connected on another channel (%u MHz)", | |
3945 | freq, res); | |
3946 | return -1; | |
b22128ef | 3947 | } |
b8349523 NKG |
3948 | |
3949 | return 0; | |
b22128ef JM |
3950 | } |
3951 | ||
3952 | ||
3953 | static struct wpa_supplicant * | |
3954 | wpas_p2p_get_group_iface(struct wpa_supplicant *wpa_s, int addr_allocated, | |
3955 | int go) | |
3956 | { | |
3957 | struct wpa_supplicant *group_wpa_s; | |
3958 | ||
ac06fb12 JM |
3959 | if (!wpas_p2p_create_iface(wpa_s)) { |
3960 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Use same interface for group " | |
3961 | "operations"); | |
b22128ef | 3962 | return wpa_s; |
ac06fb12 | 3963 | } |
b22128ef JM |
3964 | |
3965 | if (wpas_p2p_add_group_interface(wpa_s, go ? WPA_IF_P2P_GO : | |
ac06fb12 JM |
3966 | WPA_IF_P2P_CLIENT) < 0) { |
3967 | wpa_msg(wpa_s, MSG_ERROR, "P2P: Failed to add group interface"); | |
b22128ef | 3968 | return NULL; |
ac06fb12 | 3969 | } |
b22128ef JM |
3970 | group_wpa_s = wpas_p2p_init_group_interface(wpa_s, go); |
3971 | if (group_wpa_s == NULL) { | |
ac06fb12 JM |
3972 | wpa_msg(wpa_s, MSG_ERROR, "P2P: Failed to initialize group " |
3973 | "interface"); | |
b22128ef JM |
3974 | wpas_p2p_remove_pending_group_interface(wpa_s); |
3975 | return NULL; | |
3976 | } | |
3977 | ||
ac06fb12 JM |
3978 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Use separate group interface %s", |
3979 | group_wpa_s->ifname); | |
b22128ef JM |
3980 | return group_wpa_s; |
3981 | } | |
3982 | ||
3983 | ||
3984 | /** | |
3985 | * wpas_p2p_group_add - Add a new P2P group with local end as Group Owner | |
3986 | * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface() | |
3987 | * @persistent_group: Whether to create a persistent group | |
3988 | * @freq: Frequency for the group or 0 to indicate no hardcoding | |
3989 | * Returns: 0 on success, -1 on failure | |
3990 | * | |
3991 | * This function creates a new P2P group with the local end as the Group Owner, | |
3992 | * i.e., without using Group Owner Negotiation. | |
3993 | */ | |
3994 | int wpas_p2p_group_add(struct wpa_supplicant *wpa_s, int persistent_group, | |
7aeac985 | 3995 | int freq, int ht40) |
b22128ef JM |
3996 | { |
3997 | struct p2p_go_neg_results params; | |
7cfc4ac3 AGS |
3998 | unsigned int r; |
3999 | ||
9526fd29 JM |
4000 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
4001 | return -1; | |
4002 | ||
2d4f15d6 JJ |
4003 | /* Make sure we are not running find during connection establishment */ |
4004 | wpa_printf(MSG_DEBUG, "P2P: Stop any on-going P2P FIND"); | |
8713a2e6 | 4005 | wpas_p2p_stop_find_oper(wpa_s); |
2d4f15d6 | 4006 | |
7cfc4ac3 AGS |
4007 | if (freq == 2) { |
4008 | wpa_printf(MSG_DEBUG, "P2P: Request to start GO on 2.4 GHz " | |
4009 | "band"); | |
4010 | if (wpa_s->best_24_freq > 0 && | |
4011 | p2p_supported_freq(wpa_s->global->p2p, | |
4012 | wpa_s->best_24_freq)) { | |
4013 | freq = wpa_s->best_24_freq; | |
4014 | wpa_printf(MSG_DEBUG, "P2P: Use best 2.4 GHz band " | |
4015 | "channel: %d MHz", freq); | |
4016 | } else { | |
4017 | os_get_random((u8 *) &r, sizeof(r)); | |
4018 | freq = 2412 + (r % 3) * 25; | |
4019 | wpa_printf(MSG_DEBUG, "P2P: Use random 2.4 GHz band " | |
4020 | "channel: %d MHz", freq); | |
4021 | } | |
4022 | } | |
4023 | ||
4024 | if (freq == 5) { | |
4025 | wpa_printf(MSG_DEBUG, "P2P: Request to start GO on 5 GHz " | |
4026 | "band"); | |
4027 | if (wpa_s->best_5_freq > 0 && | |
4028 | p2p_supported_freq(wpa_s->global->p2p, | |
4029 | wpa_s->best_5_freq)) { | |
4030 | freq = wpa_s->best_5_freq; | |
4031 | wpa_printf(MSG_DEBUG, "P2P: Use best 5 GHz band " | |
4032 | "channel: %d MHz", freq); | |
4033 | } else { | |
4034 | os_get_random((u8 *) &r, sizeof(r)); | |
4035 | freq = 5180 + (r % 4) * 20; | |
4036 | if (!p2p_supported_freq(wpa_s->global->p2p, freq)) { | |
4037 | wpa_printf(MSG_DEBUG, "P2P: Could not select " | |
4038 | "5 GHz channel for P2P group"); | |
4039 | return -1; | |
4040 | } | |
4041 | wpa_printf(MSG_DEBUG, "P2P: Use random 5 GHz band " | |
4042 | "channel: %d MHz", freq); | |
4043 | } | |
4044 | } | |
b22128ef | 4045 | |
4ae4650b JM |
4046 | if (freq > 0 && !p2p_supported_freq(wpa_s->global->p2p, freq)) { |
4047 | wpa_printf(MSG_DEBUG, "P2P: The forced channel for GO " | |
4048 | "(%u MHz) is not supported for P2P uses", | |
4049 | freq); | |
4050 | return -1; | |
4051 | } | |
4052 | ||
7aeac985 | 4053 | if (wpas_p2p_init_go_params(wpa_s, ¶ms, freq, ht40)) |
b8349523 | 4054 | return -1; |
f4329aa2 JM |
4055 | if (params.freq && |
4056 | !p2p_supported_freq(wpa_s->global->p2p, params.freq)) { | |
4057 | wpa_printf(MSG_DEBUG, "P2P: The selected channel for GO " | |
4058 | "(%u MHz) is not supported for P2P uses", | |
4059 | params.freq); | |
4060 | return -1; | |
4061 | } | |
b22128ef JM |
4062 | p2p_go_params(wpa_s->global->p2p, ¶ms); |
4063 | params.persistent_group = persistent_group; | |
4064 | ||
4065 | wpa_s = wpas_p2p_get_group_iface(wpa_s, 0, 1); | |
4066 | if (wpa_s == NULL) | |
4067 | return -1; | |
4068 | wpas_start_wps_go(wpa_s, ¶ms, 0); | |
4069 | ||
4070 | return 0; | |
4071 | } | |
4072 | ||
4073 | ||
4074 | static int wpas_start_p2p_client(struct wpa_supplicant *wpa_s, | |
4075 | struct wpa_ssid *params, int addr_allocated) | |
4076 | { | |
4077 | struct wpa_ssid *ssid; | |
4078 | ||
4079 | wpa_s = wpas_p2p_get_group_iface(wpa_s, addr_allocated, 0); | |
4080 | if (wpa_s == NULL) | |
4081 | return -1; | |
4082 | ||
4083 | wpa_supplicant_ap_deinit(wpa_s); | |
4084 | ||
4085 | ssid = wpa_config_add_network(wpa_s->conf); | |
4086 | if (ssid == NULL) | |
4087 | return -1; | |
b22128ef JM |
4088 | wpa_config_set_network_defaults(ssid); |
4089 | ssid->temporary = 1; | |
4090 | ssid->proto = WPA_PROTO_RSN; | |
4091 | ssid->pairwise_cipher = WPA_CIPHER_CCMP; | |
4092 | ssid->group_cipher = WPA_CIPHER_CCMP; | |
4093 | ssid->key_mgmt = WPA_KEY_MGMT_PSK; | |
4094 | ssid->ssid = os_malloc(params->ssid_len); | |
4095 | if (ssid->ssid == NULL) { | |
b22128ef JM |
4096 | wpa_config_remove_network(wpa_s->conf, ssid->id); |
4097 | return -1; | |
4098 | } | |
4099 | os_memcpy(ssid->ssid, params->ssid, params->ssid_len); | |
4100 | ssid->ssid_len = params->ssid_len; | |
4101 | ssid->p2p_group = 1; | |
d1c8ac88 | 4102 | ssid->export_keys = 1; |
b22128ef JM |
4103 | if (params->psk_set) { |
4104 | os_memcpy(ssid->psk, params->psk, 32); | |
4105 | ssid->psk_set = 1; | |
4106 | } | |
4107 | if (params->passphrase) | |
4108 | ssid->passphrase = os_strdup(params->passphrase); | |
4109 | ||
4110 | wpa_supplicant_select_network(wpa_s, ssid); | |
4111 | ||
4112 | wpa_s->show_group_started = 1; | |
4113 | ||
4114 | return 0; | |
4115 | } | |
4116 | ||
4117 | ||
4118 | int wpas_p2p_group_add_persistent(struct wpa_supplicant *wpa_s, | |
4119 | struct wpa_ssid *ssid, int addr_allocated, | |
7aeac985 | 4120 | int freq, int ht40) |
b22128ef JM |
4121 | { |
4122 | struct p2p_go_neg_results params; | |
6c0da49f | 4123 | int go = 0; |
b22128ef JM |
4124 | |
4125 | if (ssid->disabled != 2 || ssid->ssid == NULL) | |
4126 | return -1; | |
4127 | ||
6c0da49f JM |
4128 | if (wpas_get_p2p_group(wpa_s, ssid->ssid, ssid->ssid_len, &go) && |
4129 | go == (ssid->mode == WPAS_MODE_P2P_GO)) { | |
4130 | wpa_printf(MSG_DEBUG, "P2P: Requested persistent group is " | |
4131 | "already running"); | |
4132 | return 0; | |
4133 | } | |
4134 | ||
9d39057c | 4135 | /* Make sure we are not running find during connection establishment */ |
8713a2e6 | 4136 | wpas_p2p_stop_find_oper(wpa_s); |
b22128ef | 4137 | |
aa9bb764 JM |
4138 | wpa_s->p2p_fallback_to_go_neg = 0; |
4139 | ||
b22128ef JM |
4140 | if (ssid->mode == WPAS_MODE_INFRA) |
4141 | return wpas_start_p2p_client(wpa_s, ssid, addr_allocated); | |
4142 | ||
4143 | if (ssid->mode != WPAS_MODE_P2P_GO) | |
4144 | return -1; | |
4145 | ||
7aeac985 | 4146 | if (wpas_p2p_init_go_params(wpa_s, ¶ms, freq, ht40)) |
b8349523 | 4147 | return -1; |
b22128ef JM |
4148 | |
4149 | params.role_go = 1; | |
30c371e8 MH |
4150 | params.psk_set = ssid->psk_set; |
4151 | if (params.psk_set) | |
4152 | os_memcpy(params.psk, ssid->psk, sizeof(params.psk)); | |
bb4d4deb MH |
4153 | if (ssid->passphrase) { |
4154 | if (os_strlen(ssid->passphrase) >= sizeof(params.passphrase)) { | |
4155 | wpa_printf(MSG_ERROR, "P2P: Invalid passphrase in " | |
4156 | "persistent group"); | |
4157 | return -1; | |
4158 | } | |
4159 | os_strlcpy(params.passphrase, ssid->passphrase, | |
4160 | sizeof(params.passphrase)); | |
b22128ef | 4161 | } |
b22128ef JM |
4162 | os_memcpy(params.ssid, ssid->ssid, ssid->ssid_len); |
4163 | params.ssid_len = ssid->ssid_len; | |
4164 | params.persistent_group = 1; | |
4165 | ||
4166 | wpa_s = wpas_p2p_get_group_iface(wpa_s, addr_allocated, 1); | |
4167 | if (wpa_s == NULL) | |
4168 | return -1; | |
4169 | ||
4170 | wpas_start_wps_go(wpa_s, ¶ms, 0); | |
4171 | ||
4172 | return 0; | |
4173 | } | |
4174 | ||
4175 | ||
4176 | static void wpas_p2p_ie_update(void *ctx, struct wpabuf *beacon_ies, | |
4177 | struct wpabuf *proberesp_ies) | |
4178 | { | |
4179 | struct wpa_supplicant *wpa_s = ctx; | |
4180 | if (wpa_s->ap_iface) { | |
4181 | struct hostapd_data *hapd = wpa_s->ap_iface->bss[0]; | |
adc33680 JM |
4182 | if (!(hapd->conf->p2p & P2P_GROUP_OWNER)) { |
4183 | wpabuf_free(beacon_ies); | |
4184 | wpabuf_free(proberesp_ies); | |
4185 | return; | |
4186 | } | |
b22128ef JM |
4187 | if (beacon_ies) { |
4188 | wpabuf_free(hapd->p2p_beacon_ie); | |
4189 | hapd->p2p_beacon_ie = beacon_ies; | |
4190 | } | |
4191 | wpabuf_free(hapd->p2p_probe_resp_ie); | |
4192 | hapd->p2p_probe_resp_ie = proberesp_ies; | |
4193 | } else { | |
4194 | wpabuf_free(beacon_ies); | |
4195 | wpabuf_free(proberesp_ies); | |
4196 | } | |
4197 | wpa_supplicant_ap_update_beacon(wpa_s); | |
4198 | } | |
4199 | ||
4200 | ||
3071e181 JM |
4201 | static void wpas_p2p_idle_update(void *ctx, int idle) |
4202 | { | |
4203 | struct wpa_supplicant *wpa_s = ctx; | |
4204 | if (!wpa_s->ap_iface) | |
4205 | return; | |
4206 | wpa_printf(MSG_DEBUG, "P2P: GO - group %sidle", idle ? "" : "not "); | |
4207 | if (idle) | |
4208 | wpas_p2p_set_group_idle_timeout(wpa_s); | |
4209 | else | |
4210 | eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL); | |
4211 | } | |
4212 | ||
4213 | ||
b22128ef | 4214 | struct p2p_group * wpas_p2p_group_init(struct wpa_supplicant *wpa_s, |
6f251b6b | 4215 | struct wpa_ssid *ssid) |
b22128ef JM |
4216 | { |
4217 | struct p2p_group *group; | |
4218 | struct p2p_group_config *cfg; | |
4219 | ||
3ac17eba JM |
4220 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
4221 | return NULL; | |
9526fd29 JM |
4222 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
4223 | return NULL; | |
3ac17eba | 4224 | |
b22128ef JM |
4225 | cfg = os_zalloc(sizeof(*cfg)); |
4226 | if (cfg == NULL) | |
4227 | return NULL; | |
4228 | ||
6f251b6b | 4229 | if (ssid->p2p_persistent_group && wpa_s->conf->persistent_reconnect) |
acc247b2 | 4230 | cfg->persistent_group = 2; |
6f251b6b | 4231 | else if (ssid->p2p_persistent_group) |
acc247b2 | 4232 | cfg->persistent_group = 1; |
b22128ef | 4233 | os_memcpy(cfg->interface_addr, wpa_s->own_addr, ETH_ALEN); |
3f4ce13f JM |
4234 | if (wpa_s->max_stations && |
4235 | wpa_s->max_stations < wpa_s->conf->max_num_sta) | |
4236 | cfg->max_clients = wpa_s->max_stations; | |
4237 | else | |
4238 | cfg->max_clients = wpa_s->conf->max_num_sta; | |
6f251b6b JM |
4239 | os_memcpy(cfg->ssid, ssid->ssid, ssid->ssid_len); |
4240 | cfg->ssid_len = ssid->ssid_len; | |
b22128ef JM |
4241 | cfg->cb_ctx = wpa_s; |
4242 | cfg->ie_update = wpas_p2p_ie_update; | |
3071e181 | 4243 | cfg->idle_update = wpas_p2p_idle_update; |
b22128ef JM |
4244 | |
4245 | group = p2p_group_init(wpa_s->global->p2p, cfg); | |
4246 | if (group == NULL) | |
4247 | os_free(cfg); | |
6f251b6b | 4248 | if (ssid->mode != WPAS_MODE_P2P_GROUP_FORMATION) |
b22128ef JM |
4249 | p2p_group_notif_formation_done(group); |
4250 | wpa_s->p2p_group = group; | |
4251 | return group; | |
4252 | } | |
4253 | ||
4254 | ||
4255 | void wpas_p2p_wps_success(struct wpa_supplicant *wpa_s, const u8 *peer_addr, | |
4256 | int registrar) | |
4257 | { | |
10531d21 JM |
4258 | struct wpa_ssid *ssid = wpa_s->current_ssid; |
4259 | ||
b22128ef JM |
4260 | if (!wpa_s->p2p_in_provisioning) { |
4261 | wpa_printf(MSG_DEBUG, "P2P: Ignore WPS success event - P2P " | |
4262 | "provisioning not in progress"); | |
4263 | return; | |
4264 | } | |
4265 | ||
10531d21 JM |
4266 | if (ssid && ssid->mode == WPAS_MODE_INFRA) { |
4267 | u8 go_dev_addr[ETH_ALEN]; | |
4268 | os_memcpy(go_dev_addr, wpa_s->bssid, ETH_ALEN); | |
4269 | wpas_p2p_persistent_group(wpa_s, go_dev_addr, ssid->ssid, | |
4270 | ssid->ssid_len); | |
4271 | /* Clear any stored provisioning info */ | |
4272 | p2p_clear_provisioning_info(wpa_s->global->p2p, go_dev_addr); | |
4273 | } | |
ec437d9e | 4274 | |
b22128ef JM |
4275 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s->parent, |
4276 | NULL); | |
361cdf34 JM |
4277 | if (ssid && ssid->mode == WPAS_MODE_INFRA) { |
4278 | /* | |
4279 | * Use a separate timeout for initial data connection to | |
4280 | * complete to allow the group to be removed automatically if | |
4281 | * something goes wrong in this step before the P2P group idle | |
4282 | * timeout mechanism is taken into use. | |
4283 | */ | |
4284 | eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT, 0, | |
4285 | wpas_p2p_group_formation_timeout, | |
ad853202 | 4286 | wpa_s->parent, NULL); |
361cdf34 | 4287 | } |
b22128ef JM |
4288 | if (wpa_s->global->p2p) |
4289 | p2p_wps_success_cb(wpa_s->global->p2p, peer_addr); | |
3ac17eba JM |
4290 | else if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
4291 | wpa_drv_wps_success_cb(wpa_s, peer_addr); | |
b22128ef JM |
4292 | wpas_group_formation_completed(wpa_s, 1); |
4293 | } | |
4294 | ||
4295 | ||
3734552f JS |
4296 | void wpas_p2p_wps_failed(struct wpa_supplicant *wpa_s, |
4297 | struct wps_event_fail *fail) | |
4298 | { | |
4299 | if (!wpa_s->p2p_in_provisioning) { | |
4300 | wpa_printf(MSG_DEBUG, "P2P: Ignore WPS fail event - P2P " | |
4301 | "provisioning not in progress"); | |
4302 | return; | |
4303 | } | |
ec437d9e JJ |
4304 | |
4305 | if (wpa_s->go_params) { | |
4306 | p2p_clear_provisioning_info( | |
4307 | wpa_s->global->p2p, | |
10531d21 | 4308 | wpa_s->go_params->peer_device_addr); |
ec437d9e JJ |
4309 | } |
4310 | ||
3734552f JS |
4311 | wpas_notify_p2p_wps_failed(wpa_s, fail); |
4312 | } | |
4313 | ||
4314 | ||
b22128ef | 4315 | int wpas_p2p_prov_disc(struct wpa_supplicant *wpa_s, const u8 *peer_addr, |
0918c4bf JM |
4316 | const char *config_method, |
4317 | enum wpas_p2p_prov_disc_use use) | |
b22128ef JM |
4318 | { |
4319 | u16 config_methods; | |
4320 | ||
aa9bb764 | 4321 | wpa_s->p2p_fallback_to_go_neg = 0; |
0918c4bf | 4322 | wpa_s->pending_pd_use = NORMAL_PD; |
8c5f7309 | 4323 | if (os_strncmp(config_method, "display", 7) == 0) |
b22128ef | 4324 | config_methods = WPS_CONFIG_DISPLAY; |
8c5f7309 | 4325 | else if (os_strncmp(config_method, "keypad", 6) == 0) |
b22128ef | 4326 | config_methods = WPS_CONFIG_KEYPAD; |
8c5f7309 JJ |
4327 | else if (os_strncmp(config_method, "pbc", 3) == 0 || |
4328 | os_strncmp(config_method, "pushbutton", 10) == 0) | |
b22128ef | 4329 | config_methods = WPS_CONFIG_PUSHBUTTON; |
8c5f7309 JJ |
4330 | else { |
4331 | wpa_printf(MSG_DEBUG, "P2P: Unknown config method"); | |
b22128ef | 4332 | return -1; |
8c5f7309 | 4333 | } |
b22128ef | 4334 | |
0918c4bf JM |
4335 | if (use == WPAS_P2P_PD_AUTO) { |
4336 | os_memcpy(wpa_s->pending_join_dev_addr, peer_addr, ETH_ALEN); | |
4337 | wpa_s->pending_pd_config_methods = config_methods; | |
4338 | wpa_s->p2p_auto_pd = 1; | |
4339 | wpa_s->p2p_auto_join = 0; | |
4340 | wpa_s->pending_pd_before_join = 0; | |
84286a22 | 4341 | wpa_s->auto_pd_scan_retry = 0; |
0918c4bf JM |
4342 | wpas_p2p_stop_find(wpa_s); |
4343 | wpa_s->p2p_join_scan_count = 0; | |
84286a22 SDU |
4344 | os_get_time(&wpa_s->p2p_auto_started); |
4345 | wpa_printf(MSG_DEBUG, "P2P: Auto PD started at %ld.%06ld", | |
4346 | wpa_s->p2p_auto_started.sec, | |
4347 | wpa_s->p2p_auto_started.usec); | |
0918c4bf JM |
4348 | wpas_p2p_join_scan(wpa_s, NULL); |
4349 | return 0; | |
4350 | } | |
4351 | ||
3ac17eba JM |
4352 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) { |
4353 | return wpa_drv_p2p_prov_disc_req(wpa_s, peer_addr, | |
0918c4bf JM |
4354 | config_methods, |
4355 | use == WPAS_P2P_PD_FOR_JOIN); | |
3ac17eba JM |
4356 | } |
4357 | ||
9526fd29 | 4358 | if (wpa_s->global->p2p == NULL || wpa_s->global->p2p_disabled) |
b22128ef JM |
4359 | return -1; |
4360 | ||
4361 | return p2p_prov_disc_req(wpa_s->global->p2p, peer_addr, | |
0918c4bf | 4362 | config_methods, use == WPAS_P2P_PD_FOR_JOIN, |
67527166 | 4363 | 0, 1); |
b22128ef JM |
4364 | } |
4365 | ||
4366 | ||
4367 | int wpas_p2p_scan_result_text(const u8 *ies, size_t ies_len, char *buf, | |
4368 | char *end) | |
4369 | { | |
4370 | return p2p_scan_result_text(ies, ies_len, buf, end); | |
4371 | } | |
4372 | ||
4373 | ||
1cc3a29d JM |
4374 | static void wpas_p2p_clear_pending_action_tx(struct wpa_supplicant *wpa_s) |
4375 | { | |
2f3101d8 | 4376 | if (!offchannel_pending_action_tx(wpa_s)) |
1cc3a29d JM |
4377 | return; |
4378 | ||
4379 | wpa_printf(MSG_DEBUG, "P2P: Drop pending Action TX due to new " | |
4380 | "operation request"); | |
2f3101d8 | 4381 | offchannel_clear_pending_action_tx(wpa_s); |
1cc3a29d JM |
4382 | } |
4383 | ||
4384 | ||
b22128ef | 4385 | int wpas_p2p_find(struct wpa_supplicant *wpa_s, unsigned int timeout, |
046ef4aa | 4386 | enum p2p_discovery_type type, |
6d92fa6e | 4387 | unsigned int num_req_dev_types, const u8 *req_dev_types, |
37448ede | 4388 | const u8 *dev_id, unsigned int search_delay) |
b22128ef | 4389 | { |
1cc3a29d | 4390 | wpas_p2p_clear_pending_action_tx(wpa_s); |
b22128ef JM |
4391 | wpa_s->p2p_long_listen = 0; |
4392 | ||
3ac17eba JM |
4393 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
4394 | return wpa_drv_p2p_find(wpa_s, timeout, type); | |
4395 | ||
5bda43cd SDU |
4396 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL || |
4397 | wpa_s->p2p_in_provisioning) | |
9526fd29 JM |
4398 | return -1; |
4399 | ||
433cd2ce JM |
4400 | wpa_supplicant_cancel_sched_scan(wpa_s); |
4401 | ||
046ef4aa | 4402 | return p2p_find(wpa_s->global->p2p, timeout, type, |
37448ede JM |
4403 | num_req_dev_types, req_dev_types, dev_id, |
4404 | search_delay); | |
b22128ef JM |
4405 | } |
4406 | ||
4407 | ||
8713a2e6 | 4408 | static int wpas_p2p_stop_find_oper(struct wpa_supplicant *wpa_s) |
b22128ef | 4409 | { |
1cc3a29d | 4410 | wpas_p2p_clear_pending_action_tx(wpa_s); |
b22128ef | 4411 | wpa_s->p2p_long_listen = 0; |
9d39057c | 4412 | eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL); |
ef922c4a | 4413 | eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL); |
e665ca9a | 4414 | wpa_s->global->p2p_cb_on_scan_complete = 0; |
b22128ef | 4415 | |
3ac17eba JM |
4416 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) { |
4417 | wpa_drv_p2p_stop_find(wpa_s); | |
8713a2e6 | 4418 | return 1; |
3ac17eba JM |
4419 | } |
4420 | ||
9526fd29 JM |
4421 | if (wpa_s->global->p2p) |
4422 | p2p_stop_find(wpa_s->global->p2p); | |
b22128ef | 4423 | |
8713a2e6 JM |
4424 | return 0; |
4425 | } | |
4426 | ||
4427 | ||
4428 | void wpas_p2p_stop_find(struct wpa_supplicant *wpa_s) | |
4429 | { | |
4430 | if (wpas_p2p_stop_find_oper(wpa_s) > 0) | |
4431 | return; | |
b22128ef JM |
4432 | wpas_p2p_remove_pending_group_interface(wpa_s); |
4433 | } | |
4434 | ||
4435 | ||
4436 | static void wpas_p2p_long_listen_timeout(void *eloop_ctx, void *timeout_ctx) | |
4437 | { | |
4438 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
4439 | wpa_s->p2p_long_listen = 0; | |
4440 | } | |
4441 | ||
4442 | ||
4443 | int wpas_p2p_listen(struct wpa_supplicant *wpa_s, unsigned int timeout) | |
4444 | { | |
4445 | int res; | |
4446 | ||
9526fd29 JM |
4447 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
4448 | return -1; | |
4449 | ||
433cd2ce | 4450 | wpa_supplicant_cancel_sched_scan(wpa_s); |
1cc3a29d JM |
4451 | wpas_p2p_clear_pending_action_tx(wpa_s); |
4452 | ||
b22128ef JM |
4453 | if (timeout == 0) { |
4454 | /* | |
4455 | * This is a request for unlimited Listen state. However, at | |
4456 | * least for now, this is mapped to a Listen state for one | |
4457 | * hour. | |
4458 | */ | |
4459 | timeout = 3600; | |
4460 | } | |
4461 | eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL); | |
4462 | wpa_s->p2p_long_listen = 0; | |
4463 | ||
2bb747e2 JM |
4464 | /* |
4465 | * Stop previous find/listen operation to avoid trying to request a new | |
4466 | * remain-on-channel operation while the driver is still running the | |
4467 | * previous one. | |
4468 | */ | |
4469 | if (wpa_s->global->p2p) | |
4470 | p2p_stop_find(wpa_s->global->p2p); | |
4471 | ||
b22128ef JM |
4472 | res = wpas_p2p_listen_start(wpa_s, timeout * 1000); |
4473 | if (res == 0 && timeout * 1000 > wpa_s->max_remain_on_chan) { | |
11fb02be | 4474 | wpa_s->p2p_long_listen = timeout * 1000; |
b22128ef JM |
4475 | eloop_register_timeout(timeout, 0, |
4476 | wpas_p2p_long_listen_timeout, | |
4477 | wpa_s, NULL); | |
4478 | } | |
4479 | ||
4480 | return res; | |
4481 | } | |
4482 | ||
4483 | ||
4c08c0bd | 4484 | int wpas_p2p_assoc_req_ie(struct wpa_supplicant *wpa_s, struct wpa_bss *bss, |
b22128ef JM |
4485 | u8 *buf, size_t len, int p2p_group) |
4486 | { | |
4c08c0bd JM |
4487 | struct wpabuf *p2p_ie; |
4488 | int ret; | |
4489 | ||
b22128ef JM |
4490 | if (wpa_s->global->p2p_disabled) |
4491 | return -1; | |
4492 | if (wpa_s->global->p2p == NULL) | |
4493 | return -1; | |
e1f1509b JM |
4494 | if (bss == NULL) |
4495 | return -1; | |
b22128ef | 4496 | |
4c08c0bd JM |
4497 | p2p_ie = wpa_bss_get_vendor_ie_multi(bss, P2P_IE_VENDOR_TYPE); |
4498 | ret = p2p_assoc_req_ie(wpa_s->global->p2p, bss->bssid, buf, len, | |
4499 | p2p_group, p2p_ie); | |
4500 | wpabuf_free(p2p_ie); | |
4501 | ||
4502 | return ret; | |
b22128ef JM |
4503 | } |
4504 | ||
4505 | ||
4506 | int wpas_p2p_probe_req_rx(struct wpa_supplicant *wpa_s, const u8 *addr, | |
04a85e44 | 4507 | const u8 *dst, const u8 *bssid, |
baf513d6 | 4508 | const u8 *ie, size_t ie_len, int ssi_signal) |
b22128ef JM |
4509 | { |
4510 | if (wpa_s->global->p2p_disabled) | |
4511 | return 0; | |
4512 | if (wpa_s->global->p2p == NULL) | |
4513 | return 0; | |
4514 | ||
2d43d37f JB |
4515 | switch (p2p_probe_req_rx(wpa_s->global->p2p, addr, dst, bssid, |
4516 | ie, ie_len)) { | |
4517 | case P2P_PREQ_NOT_P2P: | |
4518 | wpas_notify_preq(wpa_s, addr, dst, bssid, ie, ie_len, | |
4519 | ssi_signal); | |
4520 | /* fall through */ | |
4521 | case P2P_PREQ_MALFORMED: | |
4522 | case P2P_PREQ_NOT_LISTEN: | |
4523 | case P2P_PREQ_NOT_PROCESSED: | |
4524 | default: /* make gcc happy */ | |
4525 | return 0; | |
4526 | case P2P_PREQ_PROCESSED: | |
4527 | return 1; | |
4528 | } | |
b22128ef JM |
4529 | } |
4530 | ||
4531 | ||
4532 | void wpas_p2p_rx_action(struct wpa_supplicant *wpa_s, const u8 *da, | |
4533 | const u8 *sa, const u8 *bssid, | |
4534 | u8 category, const u8 *data, size_t len, int freq) | |
4535 | { | |
4536 | if (wpa_s->global->p2p_disabled) | |
4537 | return; | |
4538 | if (wpa_s->global->p2p == NULL) | |
4539 | return; | |
4540 | ||
4541 | p2p_rx_action(wpa_s->global->p2p, da, sa, bssid, category, data, len, | |
4542 | freq); | |
4543 | } | |
4544 | ||
4545 | ||
4546 | void wpas_p2p_scan_ie(struct wpa_supplicant *wpa_s, struct wpabuf *ies) | |
4547 | { | |
4548 | if (wpa_s->global->p2p_disabled) | |
4549 | return; | |
4550 | if (wpa_s->global->p2p == NULL) | |
4551 | return; | |
4552 | ||
6d92fa6e | 4553 | p2p_scan_ie(wpa_s->global->p2p, ies, NULL); |
b22128ef JM |
4554 | } |
4555 | ||
4556 | ||
4557 | void wpas_p2p_group_deinit(struct wpa_supplicant *wpa_s) | |
4558 | { | |
4559 | p2p_group_deinit(wpa_s->p2p_group); | |
4560 | wpa_s->p2p_group = NULL; | |
a7fd39bb JD |
4561 | |
4562 | wpa_s->ap_configured_cb = NULL; | |
4563 | wpa_s->ap_configured_cb_ctx = NULL; | |
4564 | wpa_s->ap_configured_cb_data = NULL; | |
4565 | wpa_s->connect_without_scan = NULL; | |
b22128ef JM |
4566 | } |
4567 | ||
4568 | ||
4569 | int wpas_p2p_reject(struct wpa_supplicant *wpa_s, const u8 *addr) | |
4570 | { | |
4571 | wpa_s->p2p_long_listen = 0; | |
4572 | ||
3ac17eba JM |
4573 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
4574 | return wpa_drv_p2p_reject(wpa_s, addr); | |
4575 | ||
9526fd29 JM |
4576 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
4577 | return -1; | |
4578 | ||
b22128ef JM |
4579 | return p2p_reject(wpa_s->global->p2p, addr); |
4580 | } | |
4581 | ||
4582 | ||
4583 | /* Invite to reinvoke a persistent group */ | |
4584 | int wpas_p2p_invite(struct wpa_supplicant *wpa_s, const u8 *peer_addr, | |
4d32c0c4 JM |
4585 | struct wpa_ssid *ssid, const u8 *go_dev_addr, int freq, |
4586 | int ht40) | |
b22128ef JM |
4587 | { |
4588 | enum p2p_invite_role role; | |
79879f4a DG |
4589 | u8 *bssid = NULL, bssid_buf[ETH_ALEN]; |
4590 | int force_freq = 0, pref_freq = 0, oper_freq = 0; | |
5de4b721 | 4591 | int res; |
b22128ef | 4592 | |
4d32c0c4 JM |
4593 | wpa_s->p2p_persistent_go_freq = freq; |
4594 | wpa_s->p2p_go_ht40 = !!ht40; | |
b22128ef JM |
4595 | if (ssid->mode == WPAS_MODE_P2P_GO) { |
4596 | role = P2P_INVITE_ROLE_GO; | |
4597 | if (peer_addr == NULL) { | |
4598 | wpa_printf(MSG_DEBUG, "P2P: Missing peer " | |
4599 | "address in invitation command"); | |
4600 | return -1; | |
4601 | } | |
4602 | if (wpas_p2p_create_iface(wpa_s)) { | |
4603 | if (wpas_p2p_add_group_interface(wpa_s, | |
4604 | WPA_IF_P2P_GO) < 0) { | |
4605 | wpa_printf(MSG_ERROR, "P2P: Failed to " | |
4606 | "allocate a new interface for the " | |
4607 | "group"); | |
4608 | return -1; | |
4609 | } | |
4610 | bssid = wpa_s->pending_interface_addr; | |
4611 | } else | |
4612 | bssid = wpa_s->own_addr; | |
4613 | } else { | |
4614 | role = P2P_INVITE_ROLE_CLIENT; | |
4615 | peer_addr = ssid->bssid; | |
4616 | } | |
4617 | wpa_s->pending_invite_ssid_id = ssid->id; | |
4618 | ||
79879f4a DG |
4619 | if (wpa_s->current_ssid && wpa_drv_get_bssid(wpa_s, bssid_buf) == 0 && |
4620 | wpa_s->assoc_freq) { | |
4621 | oper_freq = wpa_s->assoc_freq; | |
4622 | if (bssid == NULL) | |
4623 | bssid = bssid_buf; | |
4624 | } else { | |
4625 | oper_freq = wpa_drv_shared_freq(wpa_s); | |
4626 | if (oper_freq < 0) | |
4627 | oper_freq = 0; | |
4628 | } | |
4629 | ||
5de4b721 JM |
4630 | res = wpas_p2p_setup_freqs(wpa_s, freq, &force_freq, &pref_freq, |
4631 | &oper_freq); | |
4632 | if (res) | |
4633 | return res; | |
79879f4a | 4634 | |
3ac17eba JM |
4635 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
4636 | return wpa_drv_p2p_invite(wpa_s, peer_addr, role, bssid, | |
4637 | ssid->ssid, ssid->ssid_len, | |
4638 | go_dev_addr, 1); | |
4639 | ||
9526fd29 JM |
4640 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
4641 | return -1; | |
4642 | ||
b22128ef | 4643 | return p2p_invite(wpa_s->global->p2p, peer_addr, role, bssid, |
79879f4a DG |
4644 | ssid->ssid, ssid->ssid_len, force_freq, go_dev_addr, |
4645 | 1, pref_freq); | |
b22128ef JM |
4646 | } |
4647 | ||
4648 | ||
4649 | /* Invite to join an active group */ | |
4650 | int wpas_p2p_invite_group(struct wpa_supplicant *wpa_s, const char *ifname, | |
4651 | const u8 *peer_addr, const u8 *go_dev_addr) | |
4652 | { | |
4653 | struct wpa_global *global = wpa_s->global; | |
4654 | enum p2p_invite_role role; | |
79879f4a | 4655 | u8 *bssid = NULL, bssid_buf[ETH_ALEN]; |
b22128ef | 4656 | struct wpa_ssid *ssid; |
c427ac92 | 4657 | int persistent; |
79879f4a | 4658 | int force_freq = 0, oper_freq = 0, pref_freq = 0; |
5de4b721 | 4659 | int res; |
b22128ef | 4660 | |
4d32c0c4 JM |
4661 | wpa_s->p2p_persistent_go_freq = 0; |
4662 | wpa_s->p2p_go_ht40 = 0; | |
4663 | ||
b22128ef JM |
4664 | for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) { |
4665 | if (os_strcmp(wpa_s->ifname, ifname) == 0) | |
4666 | break; | |
4667 | } | |
4668 | if (wpa_s == NULL) { | |
4669 | wpa_printf(MSG_DEBUG, "P2P: Interface '%s' not found", ifname); | |
4670 | return -1; | |
4671 | } | |
4672 | ||
4673 | ssid = wpa_s->current_ssid; | |
4674 | if (ssid == NULL) { | |
4675 | wpa_printf(MSG_DEBUG, "P2P: No current SSID to use for " | |
4676 | "invitation"); | |
4677 | return -1; | |
4678 | } | |
4679 | ||
c427ac92 JM |
4680 | persistent = ssid->p2p_persistent_group && |
4681 | wpas_p2p_get_persistent(wpa_s->parent, peer_addr, | |
4682 | ssid->ssid, ssid->ssid_len); | |
4683 | ||
b22128ef JM |
4684 | if (ssid->mode == WPAS_MODE_P2P_GO) { |
4685 | role = P2P_INVITE_ROLE_ACTIVE_GO; | |
4686 | bssid = wpa_s->own_addr; | |
4687 | if (go_dev_addr == NULL) | |
d7e70476 | 4688 | go_dev_addr = wpa_s->global->p2p_dev_addr; |
b22128ef JM |
4689 | } else { |
4690 | role = P2P_INVITE_ROLE_CLIENT; | |
4691 | if (wpa_s->wpa_state < WPA_ASSOCIATED) { | |
4692 | wpa_printf(MSG_DEBUG, "P2P: Not associated - cannot " | |
4693 | "invite to current group"); | |
4694 | return -1; | |
4695 | } | |
4696 | bssid = wpa_s->bssid; | |
4697 | if (go_dev_addr == NULL && | |
4698 | !is_zero_ether_addr(wpa_s->go_dev_addr)) | |
4699 | go_dev_addr = wpa_s->go_dev_addr; | |
4700 | } | |
bb79dc72 | 4701 | wpa_s->parent->pending_invite_ssid_id = -1; |
b22128ef | 4702 | |
3ac17eba JM |
4703 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
4704 | return wpa_drv_p2p_invite(wpa_s, peer_addr, role, bssid, | |
4705 | ssid->ssid, ssid->ssid_len, | |
c427ac92 | 4706 | go_dev_addr, persistent); |
3ac17eba | 4707 | |
9526fd29 JM |
4708 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
4709 | return -1; | |
4710 | ||
79879f4a DG |
4711 | if (wpa_s->current_ssid && wpa_drv_get_bssid(wpa_s, bssid_buf) == 0 && |
4712 | wpa_s->assoc_freq) { | |
4713 | oper_freq = wpa_s->assoc_freq; | |
4714 | if (bssid == NULL) | |
4715 | bssid = bssid_buf; | |
4716 | } else { | |
4717 | oper_freq = wpa_drv_shared_freq(wpa_s); | |
4718 | if (oper_freq < 0) | |
4719 | oper_freq = 0; | |
4720 | } | |
4721 | ||
5de4b721 JM |
4722 | res = wpas_p2p_setup_freqs(wpa_s, 0, &force_freq, &pref_freq, |
4723 | &oper_freq); | |
4724 | if (res) | |
4725 | return res; | |
79879f4a | 4726 | |
b22128ef | 4727 | return p2p_invite(wpa_s->global->p2p, peer_addr, role, bssid, |
79879f4a DG |
4728 | ssid->ssid, ssid->ssid_len, force_freq, |
4729 | go_dev_addr, persistent, pref_freq); | |
b22128ef JM |
4730 | } |
4731 | ||
4732 | ||
4733 | void wpas_p2p_completed(struct wpa_supplicant *wpa_s) | |
4734 | { | |
4735 | struct wpa_ssid *ssid = wpa_s->current_ssid; | |
4736 | const char *ssid_txt; | |
4737 | u8 go_dev_addr[ETH_ALEN]; | |
4b6baa2f | 4738 | int network_id = -1; |
b22128ef | 4739 | int persistent; |
b49d6ccb | 4740 | int freq; |
b22128ef | 4741 | |
73ccd083 JM |
4742 | if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GROUP_FORMATION) { |
4743 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, | |
4744 | wpa_s->parent, NULL); | |
4745 | } | |
361cdf34 | 4746 | |
b22128ef | 4747 | if (!wpa_s->show_group_started || !ssid) |
99fcd404 | 4748 | goto done; |
b22128ef JM |
4749 | |
4750 | wpa_s->show_group_started = 0; | |
4751 | ||
4752 | ssid_txt = wpa_ssid_txt(ssid->ssid, ssid->ssid_len); | |
4753 | os_memset(go_dev_addr, 0, ETH_ALEN); | |
4754 | if (ssid->bssid_set) | |
4755 | os_memcpy(go_dev_addr, ssid->bssid, ETH_ALEN); | |
4756 | persistent = wpas_p2p_persistent_group(wpa_s, go_dev_addr, ssid->ssid, | |
4757 | ssid->ssid_len); | |
4758 | os_memcpy(wpa_s->go_dev_addr, go_dev_addr, ETH_ALEN); | |
4759 | ||
a0a9f3b0 JM |
4760 | if (wpa_s->global->p2p_group_formation == wpa_s) |
4761 | wpa_s->global->p2p_group_formation = NULL; | |
4762 | ||
b49d6ccb JJ |
4763 | freq = wpa_s->current_bss ? wpa_s->current_bss->freq : |
4764 | (int) wpa_s->assoc_freq; | |
b22128ef JM |
4765 | if (ssid->passphrase == NULL && ssid->psk_set) { |
4766 | char psk[65]; | |
4767 | wpa_snprintf_hex(psk, sizeof(psk), ssid->psk, 32); | |
4768 | wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED | |
c481048f AC |
4769 | "%s client ssid=\"%s\" freq=%d psk=%s go_dev_addr=" |
4770 | MACSTR "%s", | |
b49d6ccb | 4771 | wpa_s->ifname, ssid_txt, freq, psk, |
c481048f | 4772 | MAC2STR(go_dev_addr), |
b22128ef JM |
4773 | persistent ? " [PERSISTENT]" : ""); |
4774 | } else { | |
4775 | wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED | |
c481048f AC |
4776 | "%s client ssid=\"%s\" freq=%d passphrase=\"%s\" " |
4777 | "go_dev_addr=" MACSTR "%s", | |
b49d6ccb | 4778 | wpa_s->ifname, ssid_txt, freq, |
b22128ef JM |
4779 | ssid->passphrase ? ssid->passphrase : "", |
4780 | MAC2STR(go_dev_addr), | |
4781 | persistent ? " [PERSISTENT]" : ""); | |
4782 | } | |
4783 | ||
4784 | if (persistent) | |
4b6baa2f JMB |
4785 | network_id = wpas_p2p_store_persistent_group(wpa_s->parent, |
4786 | ssid, go_dev_addr); | |
4787 | if (network_id < 0) | |
4788 | network_id = ssid->id; | |
4789 | wpas_notify_p2p_group_started(wpa_s, ssid, network_id, 1); | |
99fcd404 JM |
4790 | |
4791 | done: | |
e665ca9a | 4792 | if (wpa_s->global->p2p_cb_on_scan_complete && !wpa_s->global->p2p_disabled && |
99fcd404 | 4793 | wpa_s->global->p2p != NULL) { |
e665ca9a | 4794 | wpa_s->global->p2p_cb_on_scan_complete = 0; |
99fcd404 JM |
4795 | if (p2p_other_scan_completed(wpa_s->global->p2p) == 1) { |
4796 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Pending P2P operation " | |
4797 | "continued after successful connection"); | |
4798 | p2p_increase_search_delay( | |
4799 | wpa_s->global->p2p, | |
4800 | wpas_p2p_search_delay(wpa_s)); | |
4801 | } | |
4802 | } | |
b22128ef JM |
4803 | } |
4804 | ||
4805 | ||
4806 | int wpas_p2p_presence_req(struct wpa_supplicant *wpa_s, u32 duration1, | |
4807 | u32 interval1, u32 duration2, u32 interval2) | |
4808 | { | |
3ac17eba JM |
4809 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
4810 | return -1; | |
9526fd29 JM |
4811 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
4812 | return -1; | |
3ac17eba | 4813 | |
b22128ef JM |
4814 | if (wpa_s->wpa_state < WPA_ASSOCIATED || |
4815 | wpa_s->current_ssid == NULL || | |
4816 | wpa_s->current_ssid->mode != WPAS_MODE_INFRA) | |
4817 | return -1; | |
4818 | ||
4819 | return p2p_presence_req(wpa_s->global->p2p, wpa_s->bssid, | |
4820 | wpa_s->own_addr, wpa_s->assoc_freq, | |
4821 | duration1, interval1, duration2, interval2); | |
4822 | } | |
4823 | ||
4824 | ||
4825 | int wpas_p2p_ext_listen(struct wpa_supplicant *wpa_s, unsigned int period, | |
4826 | unsigned int interval) | |
4827 | { | |
3ac17eba JM |
4828 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
4829 | return -1; | |
4830 | ||
9526fd29 JM |
4831 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
4832 | return -1; | |
4833 | ||
b22128ef JM |
4834 | return p2p_ext_listen(wpa_s->global->p2p, period, interval); |
4835 | } | |
4836 | ||
4837 | ||
c8106615 JM |
4838 | static int wpas_p2p_is_client(struct wpa_supplicant *wpa_s) |
4839 | { | |
5fbddfdc JM |
4840 | if (wpa_s->current_ssid == NULL) { |
4841 | /* | |
c7deed74 | 4842 | * current_ssid can be cleared when P2P client interface gets |
5fbddfdc JM |
4843 | * disconnected, so assume this interface was used as P2P |
4844 | * client. | |
4845 | */ | |
4846 | return 1; | |
4847 | } | |
4848 | return wpa_s->current_ssid->p2p_group && | |
c8106615 JM |
4849 | wpa_s->current_ssid->mode == WPAS_MODE_INFRA; |
4850 | } | |
4851 | ||
4852 | ||
3071e181 JM |
4853 | static void wpas_p2p_group_idle_timeout(void *eloop_ctx, void *timeout_ctx) |
4854 | { | |
4855 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
4856 | ||
c8106615 | 4857 | if (wpa_s->conf->p2p_group_idle == 0 && !wpas_p2p_is_client(wpa_s)) { |
3071e181 JM |
4858 | wpa_printf(MSG_DEBUG, "P2P: Ignore group idle timeout - " |
4859 | "disabled"); | |
4860 | return; | |
4861 | } | |
4862 | ||
4863 | wpa_printf(MSG_DEBUG, "P2P: Group idle timeout reached - terminate " | |
4864 | "group"); | |
8dba4aef | 4865 | wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_IDLE_TIMEOUT); |
3071e181 JM |
4866 | } |
4867 | ||
4868 | ||
4869 | static void wpas_p2p_set_group_idle_timeout(struct wpa_supplicant *wpa_s) | |
4870 | { | |
5f482d55 | 4871 | int timeout; |
c8106615 | 4872 | |
dddc7045 JM |
4873 | if (eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL) > 0) |
4874 | wpa_printf(MSG_DEBUG, "P2P: Cancelled P2P group idle timeout"); | |
4875 | ||
c8106615 | 4876 | if (wpa_s->current_ssid == NULL || !wpa_s->current_ssid->p2p_group) |
3071e181 JM |
4877 | return; |
4878 | ||
c8106615 JM |
4879 | timeout = wpa_s->conf->p2p_group_idle; |
4880 | if (wpa_s->current_ssid->mode == WPAS_MODE_INFRA && | |
4881 | (timeout == 0 || timeout > P2P_MAX_CLIENT_IDLE)) | |
4882 | timeout = P2P_MAX_CLIENT_IDLE; | |
4883 | ||
4884 | if (timeout == 0) | |
3071e181 JM |
4885 | return; |
4886 | ||
5f482d55 JM |
4887 | if (timeout < 0) { |
4888 | if (wpa_s->current_ssid->mode == WPAS_MODE_INFRA) | |
4889 | timeout = 0; /* special client mode no-timeout */ | |
4890 | else | |
4891 | return; | |
4892 | } | |
4893 | ||
8c472816 JM |
4894 | if (wpa_s->p2p_in_provisioning) { |
4895 | /* | |
4896 | * Use the normal group formation timeout during the | |
4897 | * provisioning phase to avoid terminating this process too | |
4898 | * early due to group idle timeout. | |
4899 | */ | |
4900 | wpa_printf(MSG_DEBUG, "P2P: Do not use P2P group idle timeout " | |
4901 | "during provisioning"); | |
4902 | return; | |
4903 | } | |
4904 | ||
361cdf34 JM |
4905 | if (wpa_s->show_group_started) { |
4906 | /* | |
4907 | * Use the normal group formation timeout between the end of | |
4908 | * the provisioning phase and completion of 4-way handshake to | |
4909 | * avoid terminating this process too early due to group idle | |
4910 | * timeout. | |
4911 | */ | |
4912 | wpa_printf(MSG_DEBUG, "P2P: Do not use P2P group idle timeout " | |
4913 | "while waiting for initial 4-way handshake to " | |
4914 | "complete"); | |
4915 | return; | |
4916 | } | |
4917 | ||
3071e181 | 4918 | wpa_printf(MSG_DEBUG, "P2P: Set P2P group idle timeout to %u seconds", |
c8106615 JM |
4919 | timeout); |
4920 | eloop_register_timeout(timeout, 0, wpas_p2p_group_idle_timeout, | |
4921 | wpa_s, NULL); | |
3071e181 JM |
4922 | } |
4923 | ||
4924 | ||
0aadd568 JM |
4925 | /* Returns 1 if the interface was removed */ |
4926 | int wpas_p2p_deauth_notif(struct wpa_supplicant *wpa_s, const u8 *bssid, | |
4927 | u16 reason_code, const u8 *ie, size_t ie_len, | |
4928 | int locally_generated) | |
b22128ef | 4929 | { |
9526fd29 | 4930 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
0aadd568 | 4931 | return 0; |
3ac17eba | 4932 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
0aadd568 | 4933 | return 0; |
b22128ef | 4934 | |
3fc14102 JM |
4935 | if (!locally_generated) |
4936 | p2p_deauth_notif(wpa_s->global->p2p, bssid, reason_code, ie, | |
4937 | ie_len); | |
4938 | ||
4939 | if (reason_code == WLAN_REASON_DEAUTH_LEAVING && !locally_generated && | |
4940 | wpa_s->current_ssid && | |
4941 | wpa_s->current_ssid->p2p_group && | |
4942 | wpa_s->current_ssid->mode == WPAS_MODE_INFRA) { | |
4943 | wpa_printf(MSG_DEBUG, "P2P: GO indicated that the P2P Group " | |
4944 | "session is ending"); | |
0aadd568 JM |
4945 | if (wpas_p2p_group_delete(wpa_s, |
4946 | P2P_GROUP_REMOVAL_GO_ENDING_SESSION) | |
4947 | > 0) | |
4948 | return 1; | |
3fc14102 | 4949 | } |
0aadd568 JM |
4950 | |
4951 | return 0; | |
b22128ef JM |
4952 | } |
4953 | ||
4954 | ||
4955 | void wpas_p2p_disassoc_notif(struct wpa_supplicant *wpa_s, const u8 *bssid, | |
3fc14102 JM |
4956 | u16 reason_code, const u8 *ie, size_t ie_len, |
4957 | int locally_generated) | |
b22128ef | 4958 | { |
9526fd29 | 4959 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
b22128ef | 4960 | return; |
3ac17eba JM |
4961 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
4962 | return; | |
b22128ef | 4963 | |
3fc14102 JM |
4964 | if (!locally_generated) |
4965 | p2p_disassoc_notif(wpa_s->global->p2p, bssid, reason_code, ie, | |
4966 | ie_len); | |
b22128ef JM |
4967 | } |
4968 | ||
4969 | ||
4970 | void wpas_p2p_update_config(struct wpa_supplicant *wpa_s) | |
4971 | { | |
4972 | struct p2p_data *p2p = wpa_s->global->p2p; | |
4973 | ||
4974 | if (p2p == NULL) | |
4975 | return; | |
4976 | ||
4c010834 KL |
4977 | if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE)) |
4978 | return; | |
4979 | ||
b22128ef JM |
4980 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_NAME) |
4981 | p2p_set_dev_name(p2p, wpa_s->conf->device_name); | |
4982 | ||
2f646b6e JB |
4983 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_TYPE) |
4984 | p2p_set_pri_dev_type(p2p, wpa_s->conf->device_type); | |
b22128ef | 4985 | |
b6e01800 JM |
4986 | if (wpa_s->wps && |
4987 | (wpa_s->conf->changed_parameters & CFG_CHANGED_CONFIG_METHODS)) | |
4988 | p2p_set_config_methods(p2p, wpa_s->wps->config_methods); | |
4989 | ||
4990 | if (wpa_s->wps && (wpa_s->conf->changed_parameters & CFG_CHANGED_UUID)) | |
4991 | p2p_set_uuid(p2p, wpa_s->wps->uuid); | |
4992 | ||
4993 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_WPS_STRING) { | |
4994 | p2p_set_manufacturer(p2p, wpa_s->conf->manufacturer); | |
4995 | p2p_set_model_name(p2p, wpa_s->conf->model_name); | |
4996 | p2p_set_model_number(p2p, wpa_s->conf->model_number); | |
4997 | p2p_set_serial_number(p2p, wpa_s->conf->serial_number); | |
4998 | } | |
4999 | ||
2f646b6e JB |
5000 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_SEC_DEVICE_TYPE) |
5001 | p2p_set_sec_dev_types(p2p, | |
5002 | (void *) wpa_s->conf->sec_device_type, | |
5003 | wpa_s->conf->num_sec_device_types); | |
b22128ef | 5004 | |
f95cac27 JMB |
5005 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_VENDOR_EXTENSION) { |
5006 | int i; | |
5007 | p2p_remove_wps_vendor_extensions(p2p); | |
5008 | for (i = 0; i < MAX_WPS_VENDOR_EXT; i++) { | |
5009 | if (wpa_s->conf->wps_vendor_ext[i] == NULL) | |
5010 | continue; | |
5011 | p2p_add_wps_vendor_extension( | |
5012 | p2p, wpa_s->conf->wps_vendor_ext[i]); | |
5013 | } | |
5014 | } | |
5015 | ||
b22128ef JM |
5016 | if ((wpa_s->conf->changed_parameters & CFG_CHANGED_COUNTRY) && |
5017 | wpa_s->conf->country[0] && wpa_s->conf->country[1]) { | |
5018 | char country[3]; | |
5019 | country[0] = wpa_s->conf->country[0]; | |
5020 | country[1] = wpa_s->conf->country[1]; | |
5021 | country[2] = 0x04; | |
5022 | p2p_set_country(p2p, country); | |
5023 | } | |
5024 | ||
5025 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_SSID_POSTFIX) { | |
5026 | p2p_set_ssid_postfix(p2p, (u8 *) wpa_s->conf->p2p_ssid_postfix, | |
5027 | wpa_s->conf->p2p_ssid_postfix ? | |
5028 | os_strlen(wpa_s->conf->p2p_ssid_postfix) : | |
5029 | 0); | |
5030 | } | |
0f66abd2 SS |
5031 | |
5032 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_INTRA_BSS) | |
5033 | p2p_set_intra_bss_dist(p2p, wpa_s->conf->p2p_intra_bss); | |
2463ba70 JS |
5034 | |
5035 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_LISTEN_CHANNEL) { | |
5036 | u8 reg_class, channel; | |
5037 | int ret; | |
5038 | unsigned int r; | |
5039 | if (wpa_s->conf->p2p_listen_reg_class && | |
5040 | wpa_s->conf->p2p_listen_channel) { | |
5041 | reg_class = wpa_s->conf->p2p_listen_reg_class; | |
5042 | channel = wpa_s->conf->p2p_listen_channel; | |
5043 | } else { | |
5044 | reg_class = 81; | |
5045 | /* | |
5046 | * Pick one of the social channels randomly as the | |
5047 | * listen channel. | |
5048 | */ | |
5049 | os_get_random((u8 *) &r, sizeof(r)); | |
5050 | channel = 1 + (r % 3) * 5; | |
5051 | } | |
5052 | ret = p2p_set_listen_channel(p2p, reg_class, channel); | |
5053 | if (ret) | |
5054 | wpa_printf(MSG_ERROR, "P2P: Own listen channel update " | |
5055 | "failed: %d", ret); | |
5056 | } | |
5057 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_OPER_CHANNEL) { | |
5058 | u8 op_reg_class, op_channel, cfg_op_channel; | |
5059 | int ret = 0; | |
5060 | unsigned int r; | |
5061 | if (wpa_s->conf->p2p_oper_reg_class && | |
5062 | wpa_s->conf->p2p_oper_channel) { | |
5063 | op_reg_class = wpa_s->conf->p2p_oper_reg_class; | |
5064 | op_channel = wpa_s->conf->p2p_oper_channel; | |
5065 | cfg_op_channel = 1; | |
5066 | } else { | |
5067 | op_reg_class = 81; | |
5068 | /* | |
5069 | * Use random operation channel from (1, 6, 11) | |
5070 | *if no other preference is indicated. | |
5071 | */ | |
5072 | os_get_random((u8 *) &r, sizeof(r)); | |
5073 | op_channel = 1 + (r % 3) * 5; | |
5074 | cfg_op_channel = 0; | |
5075 | } | |
5076 | ret = p2p_set_oper_channel(p2p, op_reg_class, op_channel, | |
5077 | cfg_op_channel); | |
5078 | if (ret) | |
5079 | wpa_printf(MSG_ERROR, "P2P: Own oper channel update " | |
5080 | "failed: %d", ret); | |
5081 | } | |
21d996f7 JM |
5082 | |
5083 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_PREF_CHAN) { | |
5084 | if (p2p_set_pref_chan(p2p, wpa_s->conf->num_p2p_pref_chan, | |
5085 | wpa_s->conf->p2p_pref_chan) < 0) { | |
5086 | wpa_printf(MSG_ERROR, "P2P: Preferred channel list " | |
5087 | "update failed"); | |
5088 | } | |
5089 | } | |
b22128ef | 5090 | } |
aefb53bd JM |
5091 | |
5092 | ||
5093 | int wpas_p2p_set_noa(struct wpa_supplicant *wpa_s, u8 count, int start, | |
5094 | int duration) | |
5095 | { | |
5096 | if (!wpa_s->ap_iface) | |
5097 | return -1; | |
5098 | return hostapd_p2p_set_noa(wpa_s->ap_iface->bss[0], count, start, | |
5099 | duration); | |
5100 | } | |
72044390 JM |
5101 | |
5102 | ||
5103 | int wpas_p2p_set_cross_connect(struct wpa_supplicant *wpa_s, int enabled) | |
5104 | { | |
9526fd29 | 5105 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
72044390 JM |
5106 | return -1; |
5107 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) | |
5108 | return -1; | |
5109 | ||
5110 | wpa_s->global->cross_connection = enabled; | |
5111 | p2p_set_cross_connect(wpa_s->global->p2p, enabled); | |
5112 | ||
5113 | if (!enabled) { | |
5114 | struct wpa_supplicant *iface; | |
5115 | ||
5116 | for (iface = wpa_s->global->ifaces; iface; iface = iface->next) | |
5117 | { | |
5118 | if (iface->cross_connect_enabled == 0) | |
5119 | continue; | |
5120 | ||
5121 | iface->cross_connect_enabled = 0; | |
5122 | iface->cross_connect_in_use = 0; | |
5123 | wpa_msg(iface->parent, MSG_INFO, | |
5124 | P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s", | |
5125 | iface->ifname, iface->cross_connect_uplink); | |
5126 | } | |
5127 | } | |
5128 | ||
5129 | return 0; | |
5130 | } | |
5131 | ||
5132 | ||
5133 | static void wpas_p2p_enable_cross_connect(struct wpa_supplicant *uplink) | |
5134 | { | |
5135 | struct wpa_supplicant *iface; | |
5136 | ||
5137 | if (!uplink->global->cross_connection) | |
5138 | return; | |
5139 | ||
5140 | for (iface = uplink->global->ifaces; iface; iface = iface->next) { | |
5141 | if (!iface->cross_connect_enabled) | |
5142 | continue; | |
5143 | if (os_strcmp(uplink->ifname, iface->cross_connect_uplink) != | |
5144 | 0) | |
5145 | continue; | |
5146 | if (iface->ap_iface == NULL) | |
5147 | continue; | |
5148 | if (iface->cross_connect_in_use) | |
5149 | continue; | |
5150 | ||
5151 | iface->cross_connect_in_use = 1; | |
5152 | wpa_msg(iface->parent, MSG_INFO, | |
5153 | P2P_EVENT_CROSS_CONNECT_ENABLE "%s %s", | |
5154 | iface->ifname, iface->cross_connect_uplink); | |
5155 | } | |
5156 | } | |
5157 | ||
5158 | ||
5159 | static void wpas_p2p_disable_cross_connect(struct wpa_supplicant *uplink) | |
5160 | { | |
5161 | struct wpa_supplicant *iface; | |
5162 | ||
5163 | for (iface = uplink->global->ifaces; iface; iface = iface->next) { | |
5164 | if (!iface->cross_connect_enabled) | |
5165 | continue; | |
5166 | if (os_strcmp(uplink->ifname, iface->cross_connect_uplink) != | |
5167 | 0) | |
5168 | continue; | |
5169 | if (!iface->cross_connect_in_use) | |
5170 | continue; | |
5171 | ||
5172 | wpa_msg(iface->parent, MSG_INFO, | |
5173 | P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s", | |
5174 | iface->ifname, iface->cross_connect_uplink); | |
5175 | iface->cross_connect_in_use = 0; | |
5176 | } | |
5177 | } | |
5178 | ||
5179 | ||
5180 | void wpas_p2p_notif_connected(struct wpa_supplicant *wpa_s) | |
5181 | { | |
5182 | if (wpa_s->ap_iface || wpa_s->current_ssid == NULL || | |
5183 | wpa_s->current_ssid->mode != WPAS_MODE_INFRA || | |
5184 | wpa_s->cross_connect_disallowed) | |
5185 | wpas_p2p_disable_cross_connect(wpa_s); | |
5186 | else | |
5187 | wpas_p2p_enable_cross_connect(wpa_s); | |
dddc7045 JM |
5188 | if (!wpa_s->ap_iface && |
5189 | eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL) > 0) | |
5190 | wpa_printf(MSG_DEBUG, "P2P: Cancelled P2P group idle timeout"); | |
72044390 JM |
5191 | } |
5192 | ||
5193 | ||
5194 | void wpas_p2p_notif_disconnected(struct wpa_supplicant *wpa_s) | |
5195 | { | |
5196 | wpas_p2p_disable_cross_connect(wpa_s); | |
4c2c6751 JM |
5197 | if (!wpa_s->ap_iface && |
5198 | !eloop_is_timeout_registered(wpas_p2p_group_idle_timeout, | |
5199 | wpa_s, NULL)) | |
3071e181 | 5200 | wpas_p2p_set_group_idle_timeout(wpa_s); |
72044390 JM |
5201 | } |
5202 | ||
5203 | ||
5204 | static void wpas_p2p_cross_connect_setup(struct wpa_supplicant *wpa_s) | |
5205 | { | |
5206 | struct wpa_supplicant *iface; | |
5207 | ||
5208 | if (!wpa_s->global->cross_connection) | |
5209 | return; | |
5210 | ||
5211 | for (iface = wpa_s->global->ifaces; iface; iface = iface->next) { | |
5212 | if (iface == wpa_s) | |
5213 | continue; | |
5214 | if (iface->drv_flags & | |
5215 | WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE) | |
5216 | continue; | |
5217 | if (iface->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE) | |
5218 | continue; | |
5219 | ||
5220 | wpa_s->cross_connect_enabled = 1; | |
5221 | os_strlcpy(wpa_s->cross_connect_uplink, iface->ifname, | |
5222 | sizeof(wpa_s->cross_connect_uplink)); | |
5223 | wpa_printf(MSG_DEBUG, "P2P: Enable cross connection from " | |
5224 | "%s to %s whenever uplink is available", | |
5225 | wpa_s->ifname, wpa_s->cross_connect_uplink); | |
5226 | ||
5227 | if (iface->ap_iface || iface->current_ssid == NULL || | |
5228 | iface->current_ssid->mode != WPAS_MODE_INFRA || | |
5229 | iface->cross_connect_disallowed || | |
5230 | iface->wpa_state != WPA_COMPLETED) | |
5231 | break; | |
5232 | ||
5233 | wpa_s->cross_connect_in_use = 1; | |
5234 | wpa_msg(wpa_s->parent, MSG_INFO, | |
5235 | P2P_EVENT_CROSS_CONNECT_ENABLE "%s %s", | |
5236 | wpa_s->ifname, wpa_s->cross_connect_uplink); | |
5237 | break; | |
5238 | } | |
5239 | } | |
b73bf0a7 JM |
5240 | |
5241 | ||
5242 | int wpas_p2p_notif_pbc_overlap(struct wpa_supplicant *wpa_s) | |
5243 | { | |
5244 | if (wpa_s->p2p_group_interface != P2P_GROUP_INTERFACE_CLIENT && | |
5245 | !wpa_s->p2p_in_provisioning) | |
5246 | return 0; /* not P2P client operation */ | |
5247 | ||
5248 | wpa_printf(MSG_DEBUG, "P2P: Terminate connection due to WPS PBC " | |
5249 | "session overlap"); | |
148bb37f JM |
5250 | if (wpa_s != wpa_s->parent) |
5251 | wpa_msg_ctrl(wpa_s->parent, MSG_INFO, WPS_EVENT_OVERLAP); | |
0a14e3ec SS |
5252 | |
5253 | if (wpa_s->global->p2p) | |
5254 | p2p_group_formation_failed(wpa_s->global->p2p); | |
5255 | ||
5256 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, | |
5257 | wpa_s->parent, NULL); | |
5258 | ||
b73bf0a7 JM |
5259 | wpas_group_formation_completed(wpa_s, 0); |
5260 | return 1; | |
5261 | } | |
b5c9da8d JM |
5262 | |
5263 | ||
5264 | void wpas_p2p_update_channel_list(struct wpa_supplicant *wpa_s) | |
5265 | { | |
5266 | struct p2p_channels chan; | |
5267 | ||
5268 | if (wpa_s->global == NULL || wpa_s->global->p2p == NULL) | |
5269 | return; | |
5270 | ||
5271 | os_memset(&chan, 0, sizeof(chan)); | |
5272 | if (wpas_p2p_setup_channels(wpa_s, &chan)) { | |
5273 | wpa_printf(MSG_ERROR, "P2P: Failed to update supported " | |
5274 | "channel list"); | |
5275 | return; | |
5276 | } | |
5277 | ||
5278 | p2p_update_channel_list(wpa_s->global->p2p, &chan); | |
5279 | } | |
59eba7a2 JM |
5280 | |
5281 | ||
50178335 JM |
5282 | static void wpas_p2p_scan_res_ignore(struct wpa_supplicant *wpa_s, |
5283 | struct wpa_scan_results *scan_res) | |
5284 | { | |
5285 | wpa_printf(MSG_DEBUG, "P2P: Ignore scan results"); | |
5286 | } | |
5287 | ||
5288 | ||
59eba7a2 JM |
5289 | int wpas_p2p_cancel(struct wpa_supplicant *wpa_s) |
5290 | { | |
5291 | struct wpa_global *global = wpa_s->global; | |
5292 | int found = 0; | |
231bbd03 | 5293 | const u8 *peer; |
59eba7a2 | 5294 | |
9526fd29 JM |
5295 | if (global->p2p == NULL) |
5296 | return -1; | |
5297 | ||
59eba7a2 JM |
5298 | wpa_printf(MSG_DEBUG, "P2P: Request to cancel group formation"); |
5299 | ||
5300 | if (wpa_s->pending_interface_name[0] && | |
5301 | !is_zero_ether_addr(wpa_s->pending_interface_addr)) | |
5302 | found = 1; | |
5303 | ||
231bbd03 SS |
5304 | peer = p2p_get_go_neg_peer(global->p2p); |
5305 | if (peer) { | |
5306 | wpa_printf(MSG_DEBUG, "P2P: Unauthorize pending GO Neg peer " | |
5307 | MACSTR, MAC2STR(peer)); | |
5308 | p2p_unauthorize(global->p2p, peer); | |
75c208b9 | 5309 | found = 1; |
231bbd03 SS |
5310 | } |
5311 | ||
50178335 JM |
5312 | if (wpa_s->scan_res_handler == wpas_p2p_scan_res_join) { |
5313 | wpa_printf(MSG_DEBUG, "P2P: Stop pending scan for join"); | |
5314 | wpa_s->scan_res_handler = wpas_p2p_scan_res_ignore; | |
5315 | found = 1; | |
5316 | } | |
5317 | ||
5318 | if (wpa_s->pending_pd_before_join) { | |
5319 | wpa_printf(MSG_DEBUG, "P2P: Stop pending PD before join"); | |
5320 | wpa_s->pending_pd_before_join = 0; | |
5321 | found = 1; | |
5322 | } | |
5323 | ||
59eba7a2 JM |
5324 | wpas_p2p_stop_find(wpa_s); |
5325 | ||
5326 | for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) { | |
5327 | if (wpa_s == global->p2p_group_formation && | |
a0a9f3b0 JM |
5328 | (wpa_s->p2p_in_provisioning || |
5329 | wpa_s->parent->pending_interface_type == | |
5330 | WPA_IF_P2P_CLIENT)) { | |
59eba7a2 JM |
5331 | wpa_printf(MSG_DEBUG, "P2P: Interface %s in group " |
5332 | "formation found - cancelling", | |
5333 | wpa_s->ifname); | |
5334 | found = 1; | |
45fee6f0 SS |
5335 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, |
5336 | wpa_s->parent, NULL); | |
30b80389 JM |
5337 | if (wpa_s->p2p_in_provisioning) { |
5338 | wpas_group_formation_completed(wpa_s, 0); | |
5339 | break; | |
5340 | } | |
8dba4aef JM |
5341 | wpas_p2p_group_delete(wpa_s, |
5342 | P2P_GROUP_REMOVAL_REQUESTED); | |
59eba7a2 JM |
5343 | break; |
5344 | } | |
5345 | } | |
5346 | ||
5347 | if (!found) { | |
5348 | wpa_printf(MSG_DEBUG, "P2P: No ongoing group formation found"); | |
5349 | return -1; | |
5350 | } | |
5351 | ||
5352 | return 0; | |
5353 | } | |
c973f386 JM |
5354 | |
5355 | ||
5356 | void wpas_p2p_interface_unavailable(struct wpa_supplicant *wpa_s) | |
5357 | { | |
5358 | if (wpa_s->current_ssid == NULL || !wpa_s->current_ssid->p2p_group) | |
5359 | return; | |
5360 | ||
5361 | wpa_printf(MSG_DEBUG, "P2P: Remove group due to driver resource not " | |
5362 | "being available anymore"); | |
8dba4aef | 5363 | wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_UNAVAILABLE); |
c973f386 | 5364 | } |
7cfc4ac3 AGS |
5365 | |
5366 | ||
5367 | void wpas_p2p_update_best_channels(struct wpa_supplicant *wpa_s, | |
5368 | int freq_24, int freq_5, int freq_overall) | |
5369 | { | |
5370 | struct p2p_data *p2p = wpa_s->global->p2p; | |
5371 | if (p2p == NULL || (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)) | |
5372 | return; | |
5373 | p2p_set_best_channels(p2p, freq_24, freq_5, freq_overall); | |
5374 | } | |
9d562b79 SS |
5375 | |
5376 | ||
5377 | int wpas_p2p_unauthorize(struct wpa_supplicant *wpa_s, const char *addr) | |
5378 | { | |
5379 | u8 peer[ETH_ALEN]; | |
5380 | struct p2p_data *p2p = wpa_s->global->p2p; | |
5381 | ||
5382 | if (p2p == NULL || (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)) | |
5383 | return -1; | |
5384 | ||
5385 | if (hwaddr_aton(addr, peer)) | |
5386 | return -1; | |
5387 | ||
5388 | return p2p_unauthorize(p2p, peer); | |
5389 | } | |
3103f345 JB |
5390 | |
5391 | ||
5392 | /** | |
5393 | * wpas_p2p_disconnect - Disconnect from a P2P Group | |
5394 | * @wpa_s: Pointer to wpa_supplicant data | |
5395 | * Returns: 0 on success, -1 on failure | |
5396 | * | |
5397 | * This can be used to disconnect from a group in which the local end is a P2P | |
5398 | * Client or to end a P2P Group in case the local end is the Group Owner. If a | |
5399 | * virtual network interface was created for this group, that interface will be | |
5400 | * removed. Otherwise, only the configured P2P group network will be removed | |
5401 | * from the interface. | |
5402 | */ | |
5403 | int wpas_p2p_disconnect(struct wpa_supplicant *wpa_s) | |
5404 | { | |
5405 | ||
5406 | if (wpa_s == NULL) | |
5407 | return -1; | |
5408 | ||
0aadd568 JM |
5409 | return wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_REQUESTED) < 0 ? |
5410 | -1 : 0; | |
3103f345 | 5411 | } |
303f60d3 JM |
5412 | |
5413 | ||
5414 | int wpas_p2p_in_progress(struct wpa_supplicant *wpa_s) | |
5415 | { | |
ec01d5f6 JM |
5416 | int ret; |
5417 | ||
303f60d3 JM |
5418 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
5419 | return 0; | |
5420 | ||
ec01d5f6 JM |
5421 | ret = p2p_in_progress(wpa_s->global->p2p); |
5422 | if (ret == 0) { | |
5423 | /* | |
5424 | * Check whether there is an ongoing WPS provisioning step (or | |
5425 | * other parts of group formation) on another interface since | |
5426 | * p2p_in_progress() does not report this to avoid issues for | |
5427 | * scans during such provisioning step. | |
5428 | */ | |
5429 | if (wpa_s->global->p2p_group_formation && | |
5430 | wpa_s->global->p2p_group_formation != wpa_s) { | |
5431 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Another interface (%s) " | |
5432 | "in group formation", | |
5433 | wpa_s->global->p2p_group_formation->ifname); | |
5434 | ret = 1; | |
5435 | } | |
5436 | } | |
5437 | ||
5438 | return ret; | |
303f60d3 | 5439 | } |
502618f7 JM |
5440 | |
5441 | ||
5442 | void wpas_p2p_network_removed(struct wpa_supplicant *wpa_s, | |
5443 | struct wpa_ssid *ssid) | |
502618f7 JM |
5444 | { |
5445 | if (wpa_s->p2p_in_provisioning && ssid->p2p_group && | |
5446 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, | |
5447 | wpa_s->parent, NULL) > 0) { | |
eb6f8c2b AC |
5448 | /** |
5449 | * Remove the network by scheduling the group formation | |
5450 | * timeout to happen immediately. The teardown code | |
5451 | * needs to be scheduled to run asynch later so that we | |
5452 | * don't delete data from under ourselves unexpectedly. | |
5453 | * Calling wpas_p2p_group_formation_timeout directly | |
5454 | * causes a series of crashes in WPS failure scenarios. | |
5455 | */ | |
502618f7 JM |
5456 | wpa_printf(MSG_DEBUG, "P2P: Canceled group formation due to " |
5457 | "P2P group network getting removed"); | |
eb6f8c2b AC |
5458 | eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout, |
5459 | wpa_s->parent, NULL); | |
502618f7 JM |
5460 | } |
5461 | } | |
87f841a1 JM |
5462 | |
5463 | ||
5464 | struct wpa_ssid * wpas_p2p_get_persistent(struct wpa_supplicant *wpa_s, | |
c427ac92 JM |
5465 | const u8 *addr, const u8 *ssid, |
5466 | size_t ssid_len) | |
87f841a1 JM |
5467 | { |
5468 | struct wpa_ssid *s; | |
fbdcfd57 | 5469 | size_t i; |
87f841a1 JM |
5470 | |
5471 | for (s = wpa_s->conf->ssid; s; s = s->next) { | |
fbdcfd57 JM |
5472 | if (s->disabled != 2) |
5473 | continue; | |
c427ac92 JM |
5474 | if (ssid && |
5475 | (ssid_len != s->ssid_len || | |
5476 | os_memcmp(ssid, s->ssid, ssid_len) != 0)) | |
5477 | continue; | |
fbdcfd57 JM |
5478 | if (os_memcmp(s->bssid, addr, ETH_ALEN) == 0) |
5479 | return s; /* peer is GO in the persistent group */ | |
5480 | if (s->mode != WPAS_MODE_P2P_GO || s->p2p_client_list == NULL) | |
5481 | continue; | |
5482 | for (i = 0; i < s->num_p2p_clients; i++) { | |
5483 | if (os_memcmp(s->p2p_client_list + i * ETH_ALEN, | |
5484 | addr, ETH_ALEN) == 0) | |
5485 | return s; /* peer is P2P client in persistent | |
5486 | * group */ | |
5487 | } | |
87f841a1 JM |
5488 | } |
5489 | ||
5490 | return NULL; | |
5491 | } | |
fbdcfd57 JM |
5492 | |
5493 | ||
5494 | void wpas_p2p_notify_ap_sta_authorized(struct wpa_supplicant *wpa_s, | |
5495 | const u8 *addr) | |
5496 | { | |
5497 | if (addr == NULL) | |
5498 | return; | |
5499 | wpas_p2p_add_persistent_group_client(wpa_s, addr); | |
5500 | } | |
aa9bb764 JM |
5501 | |
5502 | ||
5503 | static void wpas_p2p_fallback_to_go_neg(struct wpa_supplicant *wpa_s, | |
5504 | int group_added) | |
5505 | { | |
5506 | struct wpa_supplicant *group = wpa_s; | |
5507 | if (wpa_s->global->p2p_group_formation) | |
5508 | group = wpa_s->global->p2p_group_formation; | |
5509 | wpa_s = wpa_s->parent; | |
b80eb89d | 5510 | offchannel_send_action_done(wpa_s); |
aa9bb764 | 5511 | if (group_added) |
8dba4aef | 5512 | wpas_p2p_group_delete(group, P2P_GROUP_REMOVAL_SILENT); |
aa9bb764 JM |
5513 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Fall back to GO Negotiation"); |
5514 | wpas_p2p_connect(wpa_s, wpa_s->pending_join_dev_addr, wpa_s->p2p_pin, | |
5515 | wpa_s->p2p_wps_method, wpa_s->p2p_persistent_group, 0, | |
5516 | 0, 0, wpa_s->p2p_go_intent, wpa_s->p2p_connect_freq, | |
3bc462cb | 5517 | wpa_s->p2p_persistent_id, |
e2308e4b RM |
5518 | wpa_s->p2p_pd_before_go_neg, |
5519 | wpa_s->p2p_go_ht40); | |
aa9bb764 JM |
5520 | } |
5521 | ||
5522 | ||
5523 | int wpas_p2p_scan_no_go_seen(struct wpa_supplicant *wpa_s) | |
5524 | { | |
5525 | if (!wpa_s->p2p_fallback_to_go_neg || | |
5526 | wpa_s->p2p_in_provisioning <= 5) | |
5527 | return 0; | |
5528 | ||
b80eb89d JM |
5529 | if (wpas_p2p_peer_go(wpa_s, wpa_s->pending_join_dev_addr) > 0) |
5530 | return 0; /* peer operating as a GO */ | |
5531 | ||
aa9bb764 JM |
5532 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: GO not found for p2p_connect-auto - " |
5533 | "fallback to GO Negotiation"); | |
5534 | wpas_p2p_fallback_to_go_neg(wpa_s, 1); | |
5535 | ||
5536 | return 1; | |
5537 | } | |
05a77b3b JM |
5538 | |
5539 | ||
5540 | unsigned int wpas_p2p_search_delay(struct wpa_supplicant *wpa_s) | |
5541 | { | |
5542 | const char *rn, *rn2; | |
5543 | struct wpa_supplicant *ifs; | |
5544 | ||
5545 | if (wpa_s->wpa_state > WPA_SCANNING) { | |
5546 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Use %u ms search delay due to " | |
5547 | "concurrent operation", | |
5548 | P2P_CONCURRENT_SEARCH_DELAY); | |
5549 | return P2P_CONCURRENT_SEARCH_DELAY; | |
5550 | } | |
5551 | ||
5552 | if (!wpa_s->driver->get_radio_name) | |
5553 | return 0; | |
5554 | rn = wpa_s->driver->get_radio_name(wpa_s->drv_priv); | |
5555 | if (rn == NULL || rn[0] == '\0') | |
5556 | return 0; | |
5557 | ||
5558 | for (ifs = wpa_s->global->ifaces; ifs; ifs = ifs->next) { | |
5559 | if (ifs == wpa_s || !ifs->driver->get_radio_name) | |
5560 | continue; | |
5561 | ||
5562 | rn2 = ifs->driver->get_radio_name(ifs->drv_priv); | |
5563 | if (!rn2 || os_strcmp(rn, rn2) != 0) | |
5564 | continue; | |
5565 | if (ifs->wpa_state > WPA_SCANNING) { | |
5566 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Use %u ms search " | |
5567 | "delay due to concurrent operation on " | |
5568 | "interface %s", | |
5569 | P2P_CONCURRENT_SEARCH_DELAY, ifs->ifname); | |
5570 | return P2P_CONCURRENT_SEARCH_DELAY; | |
5571 | } | |
5572 | } | |
5573 | ||
5574 | return 0; | |
5575 | } |