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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 | |
1b5d4714 | 4 | * Copyright (c) 2010-2014, Jouni Malinen <j@w1.fi> |
b22128ef | 5 | * |
e22d4d95 JM |
6 | * This software may be distributed under the terms of the BSD license. |
7 | * See README for more details. | |
b22128ef JM |
8 | */ |
9 | ||
10 | #include "includes.h" | |
11 | ||
12 | #include "common.h" | |
13 | #include "eloop.h" | |
14 | #include "common/ieee802_11_common.h" | |
15 | #include "common/ieee802_11_defs.h" | |
16 | #include "common/wpa_ctrl.h" | |
17 | #include "wps/wps_i.h" | |
18 | #include "p2p/p2p.h" | |
19 | #include "ap/hostapd.h" | |
adc33680 | 20 | #include "ap/ap_config.h" |
f2c56602 JM |
21 | #include "ap/sta_info.h" |
22 | #include "ap/ap_drv_ops.h" | |
dd876771 | 23 | #include "ap/wps_hostapd.h" |
aefb53bd | 24 | #include "ap/p2p_hostapd.h" |
d7f1aa8f | 25 | #include "ap/dfs.h" |
20a0b03d JM |
26 | #include "eapol_supp/eapol_supp_sm.h" |
27 | #include "rsn_supp/wpa.h" | |
b22128ef JM |
28 | #include "wpa_supplicant_i.h" |
29 | #include "driver_i.h" | |
30 | #include "ap.h" | |
31 | #include "config_ssid.h" | |
32 | #include "config.h" | |
b22128ef JM |
33 | #include "notify.h" |
34 | #include "scan.h" | |
35 | #include "bss.h" | |
24f6497c | 36 | #include "offchannel.h" |
b22128ef JM |
37 | #include "wps_supplicant.h" |
38 | #include "p2p_supplicant.h" | |
b125c48f | 39 | #include "wifi_display.h" |
b22128ef JM |
40 | |
41 | ||
9b1ab931 JM |
42 | /* |
43 | * How many times to try to scan to find the GO before giving up on join | |
44 | * request. | |
45 | */ | |
46 | #define P2P_MAX_JOIN_SCAN_ATTEMPTS 10 | |
47 | ||
84286a22 SDU |
48 | #define P2P_AUTO_PD_SCAN_ATTEMPTS 5 |
49 | ||
1a471ff0 IP |
50 | /** |
51 | * Defines time interval in seconds when a GO needs to evacuate a frequency that | |
52 | * it is currently using, but is no longer valid for P2P use cases. | |
53 | */ | |
54 | #define P2P_GO_FREQ_CHANGE_TIME 5 | |
55 | ||
73afc20d AO |
56 | /** |
57 | * Defines CSA parameters which are used when GO evacuates the no longer valid | |
58 | * channel (and if the driver supports channel switch). | |
59 | */ | |
60 | #define P2P_GO_CSA_COUNT 7 | |
61 | #define P2P_GO_CSA_BLOCK_TX 0 | |
62 | ||
c8106615 JM |
63 | #ifndef P2P_MAX_CLIENT_IDLE |
64 | /* | |
65 | * How many seconds to try to reconnect to the GO when connection in P2P client | |
66 | * role has been lost. | |
67 | */ | |
68 | #define P2P_MAX_CLIENT_IDLE 10 | |
69 | #endif /* P2P_MAX_CLIENT_IDLE */ | |
70 | ||
361cdf34 JM |
71 | #ifndef P2P_MAX_INITIAL_CONN_WAIT |
72 | /* | |
73 | * How many seconds to wait for initial 4-way handshake to get completed after | |
91364b7f SDU |
74 | * WPS provisioning step or after the re-invocation of a persistent group on a |
75 | * P2P Client. | |
361cdf34 JM |
76 | */ |
77 | #define P2P_MAX_INITIAL_CONN_WAIT 10 | |
78 | #endif /* P2P_MAX_INITIAL_CONN_WAIT */ | |
79 | ||
c1c0b35f JM |
80 | #ifndef P2P_MAX_INITIAL_CONN_WAIT_GO |
81 | /* | |
82 | * How many seconds to wait for initial 4-way handshake to get completed after | |
83 | * WPS provisioning step on the GO. This controls the extra time the P2P | |
84 | * operation is considered to be in progress (e.g., to delay other scans) after | |
85 | * WPS provisioning has been completed on the GO during group formation. | |
86 | */ | |
87 | #define P2P_MAX_INITIAL_CONN_WAIT_GO 10 | |
88 | #endif /* P2P_MAX_INITIAL_CONN_WAIT_GO */ | |
89 | ||
bbc6c729 JM |
90 | #ifndef P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE |
91 | /* | |
92 | * How many seconds to wait for initial 4-way handshake to get completed after | |
93 | * re-invocation of a persistent group on the GO when the client is expected | |
94 | * to connect automatically (no user interaction). | |
95 | */ | |
96 | #define P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE 15 | |
97 | #endif /* P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE */ | |
98 | ||
2e5ba4b6 AS |
99 | #define P2P_MGMT_DEVICE_PREFIX "p2p-dev-" |
100 | ||
dae4c82c IP |
101 | /* |
102 | * How many seconds to wait to re-attempt to move GOs, in case previous attempt | |
103 | * was not possible. | |
104 | */ | |
105 | #define P2P_RECONSIDER_GO_MOVE_DELAY 30 | |
106 | ||
8dba4aef JM |
107 | enum p2p_group_removal_reason { |
108 | P2P_GROUP_REMOVAL_UNKNOWN, | |
109 | P2P_GROUP_REMOVAL_SILENT, | |
110 | P2P_GROUP_REMOVAL_FORMATION_FAILED, | |
111 | P2P_GROUP_REMOVAL_REQUESTED, | |
112 | P2P_GROUP_REMOVAL_IDLE_TIMEOUT, | |
113 | P2P_GROUP_REMOVAL_UNAVAILABLE, | |
5bf9a6c8 | 114 | P2P_GROUP_REMOVAL_GO_ENDING_SESSION, |
8567866d | 115 | P2P_GROUP_REMOVAL_PSK_FAILURE, |
1a471ff0 IP |
116 | P2P_GROUP_REMOVAL_FREQ_CONFLICT, |
117 | P2P_GROUP_REMOVAL_GO_LEAVE_CHANNEL | |
8dba4aef JM |
118 | }; |
119 | ||
9b1ab931 | 120 | |
b22128ef JM |
121 | static void wpas_p2p_long_listen_timeout(void *eloop_ctx, void *timeout_ctx); |
122 | static struct wpa_supplicant * | |
123 | wpas_p2p_get_group_iface(struct wpa_supplicant *wpa_s, int addr_allocated, | |
124 | int go); | |
23318bea JM |
125 | static int wpas_p2p_join_start(struct wpa_supplicant *wpa_s, int freq, |
126 | const u8 *ssid, size_t ssid_len); | |
ebd32943 IP |
127 | static int wpas_p2p_setup_freqs(struct wpa_supplicant *wpa_s, int freq, |
128 | int *force_freq, int *pref_freq, int go, | |
129 | unsigned int *pref_freq_list, | |
130 | unsigned int *num_pref_freq); | |
c48414af JM |
131 | static void wpas_p2p_join_scan_req(struct wpa_supplicant *wpa_s, int freq, |
132 | const u8 *ssid, size_t ssid_len); | |
ef922c4a | 133 | static void wpas_p2p_join_scan(void *eloop_ctx, void *timeout_ctx); |
108def93 | 134 | static int wpas_p2p_join(struct wpa_supplicant *wpa_s, const u8 *iface_addr, |
b31be3a0 | 135 | const u8 *dev_addr, enum p2p_wps_method wps_method, |
23318bea JM |
136 | int auto_join, int freq, |
137 | const u8 *ssid, size_t ssid_len); | |
b22128ef | 138 | static int wpas_p2p_create_iface(struct wpa_supplicant *wpa_s); |
72044390 | 139 | static void wpas_p2p_cross_connect_setup(struct wpa_supplicant *wpa_s); |
3071e181 JM |
140 | static void wpas_p2p_group_idle_timeout(void *eloop_ctx, void *timeout_ctx); |
141 | static void wpas_p2p_set_group_idle_timeout(struct wpa_supplicant *wpa_s); | |
77dfafd0 JM |
142 | static void wpas_p2p_group_formation_timeout(void *eloop_ctx, |
143 | void *timeout_ctx); | |
8567866d | 144 | static void wpas_p2p_group_freq_conflict(void *eloop_ctx, void *timeout_ctx); |
b0e669be JM |
145 | static int wpas_p2p_fallback_to_go_neg(struct wpa_supplicant *wpa_s, |
146 | int group_added); | |
a6294141 | 147 | static void wpas_p2p_stop_find_oper(struct wpa_supplicant *wpa_s); |
b3253ebb | 148 | static void wpas_stop_listen(void *ctx); |
fb2ac53d | 149 | static void wpas_p2p_psk_failure_removal(void *eloop_ctx, void *timeout_ctx); |
bd10d938 | 150 | static void wpas_p2p_group_deinit(struct wpa_supplicant *wpa_s); |
6d908514 KV |
151 | static int wpas_p2p_add_group_interface(struct wpa_supplicant *wpa_s, |
152 | enum wpa_driver_if_type type); | |
d95c5994 JM |
153 | static void wpas_p2p_group_formation_failed(struct wpa_supplicant *wpa_s, |
154 | int already_deleted); | |
c2675c87 IP |
155 | static void wpas_p2p_optimize_listen_channel(struct wpa_supplicant *wpa_s, |
156 | struct wpa_used_freq_data *freqs, | |
157 | unsigned int num); | |
1a471ff0 | 158 | static void wpas_p2p_move_go(void *eloop_ctx, void *timeout_ctx); |
e280110d | 159 | static int wpas_p2p_go_is_peer_freq(struct wpa_supplicant *wpa_s, int freq); |
3a8f008a IP |
160 | static void |
161 | wpas_p2p_consider_moving_gos(struct wpa_supplicant *wpa_s, | |
162 | struct wpa_used_freq_data *freqs, unsigned int num, | |
163 | enum wpas_p2p_channel_update_trig trig); | |
dae4c82c | 164 | static void wpas_p2p_reconsider_moving_go(void *eloop_ctx, void *timeout_ctx); |
b22128ef JM |
165 | |
166 | ||
0d08efa4 IP |
167 | /* |
168 | * Get the number of concurrent channels that the HW can operate, but that are | |
169 | * currently not in use by any of the wpa_supplicant interfaces. | |
170 | */ | |
171 | static int wpas_p2p_num_unused_channels(struct wpa_supplicant *wpa_s) | |
172 | { | |
173 | int *freqs; | |
217cf499 | 174 | int num, unused; |
0d08efa4 IP |
175 | |
176 | freqs = os_calloc(wpa_s->num_multichan_concurrent, sizeof(int)); | |
177 | if (!freqs) | |
178 | return -1; | |
179 | ||
180 | num = get_shared_radio_freqs(wpa_s, freqs, | |
181 | wpa_s->num_multichan_concurrent); | |
182 | os_free(freqs); | |
183 | ||
217cf499 JM |
184 | unused = wpa_s->num_multichan_concurrent - num; |
185 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: num_unused_channels: %d", unused); | |
186 | return unused; | |
0d08efa4 IP |
187 | } |
188 | ||
189 | ||
190 | /* | |
191 | * Get the frequencies that are currently in use by one or more of the virtual | |
192 | * interfaces, and that are also valid for P2P operation. | |
193 | */ | |
a0c90bb0 IP |
194 | static unsigned int |
195 | wpas_p2p_valid_oper_freqs(struct wpa_supplicant *wpa_s, | |
196 | struct wpa_used_freq_data *p2p_freqs, | |
197 | unsigned int len) | |
0d08efa4 | 198 | { |
a0c90bb0 | 199 | struct wpa_used_freq_data *freqs; |
0d08efa4 IP |
200 | unsigned int num, i, j; |
201 | ||
a0c90bb0 IP |
202 | freqs = os_calloc(wpa_s->num_multichan_concurrent, |
203 | sizeof(struct wpa_used_freq_data)); | |
0d08efa4 | 204 | if (!freqs) |
a0c90bb0 | 205 | return 0; |
0d08efa4 | 206 | |
a0c90bb0 IP |
207 | num = get_shared_radio_freqs_data(wpa_s, freqs, |
208 | wpa_s->num_multichan_concurrent); | |
0d08efa4 | 209 | |
a0c90bb0 | 210 | os_memset(p2p_freqs, 0, sizeof(struct wpa_used_freq_data) * len); |
0d08efa4 IP |
211 | |
212 | for (i = 0, j = 0; i < num && j < len; i++) { | |
a0c90bb0 | 213 | if (p2p_supported_freq(wpa_s->global->p2p, freqs[i].freq)) |
0d08efa4 IP |
214 | p2p_freqs[j++] = freqs[i]; |
215 | } | |
216 | ||
217 | os_free(freqs); | |
218 | ||
a0c90bb0 | 219 | dump_freq_data(wpa_s, "valid for P2P", p2p_freqs, j); |
217cf499 | 220 | |
0d08efa4 IP |
221 | return j; |
222 | } | |
223 | ||
224 | ||
6cb27aa8 JM |
225 | static void wpas_p2p_set_own_freq_preference(struct wpa_supplicant *wpa_s, |
226 | int freq) | |
227 | { | |
228 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) | |
229 | return; | |
86b91c89 IP |
230 | |
231 | /* Use the wpa_s used to control the P2P Device operation */ | |
232 | wpa_s = wpa_s->global->p2p_init_wpa_s; | |
233 | ||
234 | if (wpa_s->conf->p2p_ignore_shared_freq && | |
5624ccfe JM |
235 | freq > 0 && wpa_s->num_multichan_concurrent > 1 && |
236 | wpas_p2p_num_unused_channels(wpa_s) > 0) { | |
21e491f2 JM |
237 | wpa_printf(MSG_DEBUG, "P2P: Ignore own channel preference %d MHz due to p2p_ignore_shared_freq=1 configuration", |
238 | freq); | |
b277a2be | 239 | freq = 0; |
21e491f2 | 240 | } |
6cb27aa8 JM |
241 | p2p_set_own_freq_preference(wpa_s->global->p2p, freq); |
242 | } | |
243 | ||
244 | ||
b22128ef JM |
245 | static void wpas_p2p_scan_res_handler(struct wpa_supplicant *wpa_s, |
246 | struct wpa_scan_results *scan_res) | |
247 | { | |
248 | size_t i; | |
249 | ||
1b5d4714 JM |
250 | if (wpa_s->p2p_scan_work) { |
251 | struct wpa_radio_work *work = wpa_s->p2p_scan_work; | |
252 | wpa_s->p2p_scan_work = NULL; | |
253 | radio_work_done(work); | |
254 | } | |
255 | ||
9526fd29 | 256 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
b22128ef JM |
257 | return; |
258 | ||
259 | wpa_printf(MSG_DEBUG, "P2P: Scan results received (%d BSS)", | |
260 | (int) scan_res->num); | |
261 | ||
262 | for (i = 0; i < scan_res->num; i++) { | |
263 | struct wpa_scan_res *bss = scan_res->res[i]; | |
acb69cec | 264 | struct os_reltime time_tmp_age, entry_ts; |
aaeb9c98 JM |
265 | const u8 *ies; |
266 | size_t ies_len; | |
267 | ||
c5f10e80 JM |
268 | time_tmp_age.sec = bss->age / 1000; |
269 | time_tmp_age.usec = (bss->age % 1000) * 1000; | |
acb69cec | 270 | os_reltime_sub(&scan_res->fetch_time, &time_tmp_age, &entry_ts); |
aaeb9c98 JM |
271 | |
272 | ies = (const u8 *) (bss + 1); | |
273 | ies_len = bss->ie_len; | |
274 | if (bss->beacon_ie_len > 0 && | |
275 | !wpa_scan_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) && | |
276 | wpa_scan_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) { | |
277 | wpa_printf(MSG_DEBUG, "P2P: Use P2P IE(s) from Beacon frame since no P2P IE(s) in Probe Response frames received for " | |
278 | MACSTR, MAC2STR(bss->bssid)); | |
279 | ies = ies + ies_len; | |
280 | ies_len = bss->beacon_ie_len; | |
281 | } | |
282 | ||
283 | ||
b22128ef | 284 | if (p2p_scan_res_handler(wpa_s->global->p2p, bss->bssid, |
c5f10e80 | 285 | bss->freq, &entry_ts, bss->level, |
aaeb9c98 | 286 | ies, ies_len) > 0) |
9bcf9541 | 287 | break; |
b22128ef JM |
288 | } |
289 | ||
290 | p2p_scan_res_handled(wpa_s->global->p2p); | |
291 | } | |
292 | ||
293 | ||
1b5d4714 JM |
294 | static void wpas_p2p_trigger_scan_cb(struct wpa_radio_work *work, int deinit) |
295 | { | |
296 | struct wpa_supplicant *wpa_s = work->wpa_s; | |
297 | struct wpa_driver_scan_params *params = work->ctx; | |
298 | int ret; | |
299 | ||
300 | if (deinit) { | |
b3253ebb AO |
301 | if (!work->started) { |
302 | wpa_scan_free_params(params); | |
303 | return; | |
304 | } | |
305 | ||
306 | wpa_s->p2p_scan_work = NULL; | |
1b5d4714 JM |
307 | return; |
308 | } | |
309 | ||
fcb303a5 JM |
310 | if (wpa_s->clear_driver_scan_cache) { |
311 | wpa_printf(MSG_DEBUG, | |
312 | "Request driver to clear scan cache due to local BSS flush"); | |
313 | params->only_new_results = 1; | |
314 | } | |
1b5d4714 | 315 | ret = wpa_drv_scan(wpa_s, params); |
bf88401d SD |
316 | if (ret == 0) |
317 | wpa_s->curr_scan_cookie = params->scan_cookie; | |
1b5d4714 JM |
318 | wpa_scan_free_params(params); |
319 | work->ctx = NULL; | |
320 | if (ret) { | |
321 | radio_work_done(work); | |
b951a974 | 322 | p2p_notify_scan_trigger_status(wpa_s->global->p2p, ret); |
1b5d4714 JM |
323 | return; |
324 | } | |
325 | ||
b951a974 | 326 | p2p_notify_scan_trigger_status(wpa_s->global->p2p, ret); |
1b5d4714 JM |
327 | os_get_reltime(&wpa_s->scan_trigger_time); |
328 | wpa_s->scan_res_handler = wpas_p2p_scan_res_handler; | |
329 | wpa_s->own_scan_requested = 1; | |
fcb303a5 | 330 | wpa_s->clear_driver_scan_cache = 0; |
1b5d4714 JM |
331 | wpa_s->p2p_scan_work = work; |
332 | } | |
333 | ||
334 | ||
7475d299 JM |
335 | static int wpas_p2p_search_social_channel(struct wpa_supplicant *wpa_s, |
336 | int freq) | |
337 | { | |
338 | if (wpa_s->global->p2p_24ghz_social_channels && | |
339 | (freq == 2412 || freq == 2437 || freq == 2462)) { | |
340 | /* | |
341 | * Search all social channels regardless of whether these have | |
342 | * been disabled for P2P operating channel use to avoid missing | |
343 | * peers. | |
344 | */ | |
345 | return 1; | |
346 | } | |
347 | return p2p_supported_freq(wpa_s->global->p2p, freq); | |
348 | } | |
349 | ||
350 | ||
046ef4aa JMB |
351 | static int wpas_p2p_scan(void *ctx, enum p2p_scan_type type, int freq, |
352 | unsigned int num_req_dev_types, | |
360182ed | 353 | const u8 *req_dev_types, const u8 *dev_id, u16 pw_id) |
b22128ef JM |
354 | { |
355 | struct wpa_supplicant *wpa_s = ctx; | |
1b5d4714 | 356 | struct wpa_driver_scan_params *params = NULL; |
b22128ef | 357 | struct wpabuf *wps_ie, *ies; |
1595eb93 AM |
358 | unsigned int num_channels = 0; |
359 | int social_channels_freq[] = { 2412, 2437, 2462, 60480 }; | |
206e1f42 | 360 | size_t ielen; |
1595eb93 | 361 | u8 *n, i; |
c58eed6d | 362 | unsigned int bands; |
b22128ef | 363 | |
9526fd29 JM |
364 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
365 | return -1; | |
366 | ||
1b5d4714 JM |
367 | if (wpa_s->p2p_scan_work) { |
368 | wpa_dbg(wpa_s, MSG_INFO, "P2P: Reject scan trigger since one is already pending"); | |
369 | return -1; | |
99fcd404 JM |
370 | } |
371 | ||
1b5d4714 JM |
372 | params = os_zalloc(sizeof(*params)); |
373 | if (params == NULL) | |
374 | return -1; | |
b22128ef JM |
375 | |
376 | /* P2P Wildcard SSID */ | |
1b5d4714 JM |
377 | params->num_ssids = 1; |
378 | n = os_malloc(P2P_WILDCARD_SSID_LEN); | |
379 | if (n == NULL) | |
380 | goto fail; | |
381 | os_memcpy(n, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN); | |
382 | params->ssids[0].ssid = n; | |
383 | params->ssids[0].ssid_len = P2P_WILDCARD_SSID_LEN; | |
b22128ef JM |
384 | |
385 | wpa_s->wps->dev.p2p = 1; | |
360182ed JM |
386 | wps_ie = wps_build_probe_req_ie(pw_id, &wpa_s->wps->dev, |
387 | wpa_s->wps->uuid, WPS_REQ_ENROLLEE, | |
046ef4aa | 388 | num_req_dev_types, req_dev_types); |
b22128ef | 389 | if (wps_ie == NULL) |
1b5d4714 | 390 | goto fail; |
b22128ef | 391 | |
b22128ef JM |
392 | switch (type) { |
393 | case P2P_SCAN_SOCIAL: | |
1595eb93 AM |
394 | params->freqs = os_calloc(ARRAY_SIZE(social_channels_freq) + 1, |
395 | sizeof(int)); | |
1b5d4714 JM |
396 | if (params->freqs == NULL) |
397 | goto fail; | |
1595eb93 | 398 | for (i = 0; i < ARRAY_SIZE(social_channels_freq); i++) { |
7475d299 JM |
399 | if (wpas_p2p_search_social_channel( |
400 | wpa_s, social_channels_freq[i])) | |
1595eb93 AM |
401 | params->freqs[num_channels++] = |
402 | social_channels_freq[i]; | |
403 | } | |
404 | params->freqs[num_channels++] = 0; | |
b22128ef JM |
405 | break; |
406 | case P2P_SCAN_FULL: | |
407 | break; | |
eb78a8d5 DU |
408 | case P2P_SCAN_SPECIFIC: |
409 | params->freqs = os_calloc(2, sizeof(int)); | |
410 | if (params->freqs == NULL) | |
411 | goto fail; | |
412 | params->freqs[0] = freq; | |
413 | params->freqs[1] = 0; | |
414 | break; | |
b22128ef | 415 | case P2P_SCAN_SOCIAL_PLUS_ONE: |
1595eb93 AM |
416 | params->freqs = os_calloc(ARRAY_SIZE(social_channels_freq) + 2, |
417 | sizeof(int)); | |
1b5d4714 JM |
418 | if (params->freqs == NULL) |
419 | goto fail; | |
1595eb93 | 420 | for (i = 0; i < ARRAY_SIZE(social_channels_freq); i++) { |
7475d299 JM |
421 | if (wpas_p2p_search_social_channel( |
422 | wpa_s, social_channels_freq[i])) | |
1595eb93 AM |
423 | params->freqs[num_channels++] = |
424 | social_channels_freq[i]; | |
425 | } | |
426 | if (p2p_supported_freq(wpa_s->global->p2p, freq)) | |
427 | params->freqs[num_channels++] = freq; | |
428 | params->freqs[num_channels++] = 0; | |
b22128ef JM |
429 | break; |
430 | } | |
431 | ||
94ad3c33 LD |
432 | ielen = p2p_scan_ie_buf_len(wpa_s->global->p2p); |
433 | ies = wpabuf_alloc(wpabuf_len(wps_ie) + ielen); | |
434 | if (ies == NULL) { | |
435 | wpabuf_free(wps_ie); | |
436 | goto fail; | |
437 | } | |
438 | wpabuf_put_buf(ies, wps_ie); | |
439 | wpabuf_free(wps_ie); | |
440 | ||
c58eed6d LD |
441 | bands = wpas_get_bands(wpa_s, params->freqs); |
442 | p2p_scan_ie(wpa_s->global->p2p, ies, dev_id, bands); | |
94ad3c33 LD |
443 | |
444 | params->p2p_probe = 1; | |
445 | n = os_malloc(wpabuf_len(ies)); | |
446 | if (n == NULL) { | |
447 | wpabuf_free(ies); | |
448 | goto fail; | |
449 | } | |
450 | os_memcpy(n, wpabuf_head(ies), wpabuf_len(ies)); | |
451 | params->extra_ies = n; | |
452 | params->extra_ies_len = wpabuf_len(ies); | |
453 | wpabuf_free(ies); | |
454 | ||
b3253ebb | 455 | radio_remove_works(wpa_s, "p2p-scan", 0); |
1b5d4714 JM |
456 | if (radio_add_work(wpa_s, 0, "p2p-scan", 0, wpas_p2p_trigger_scan_cb, |
457 | params) < 0) | |
458 | goto fail; | |
459 | return 0; | |
0c96fd6d | 460 | |
1b5d4714 JM |
461 | fail: |
462 | wpa_scan_free_params(params); | |
463 | return -1; | |
b22128ef JM |
464 | } |
465 | ||
466 | ||
b22128ef JM |
467 | static enum wpa_driver_if_type wpas_p2p_if_type(int p2p_group_interface) |
468 | { | |
469 | switch (p2p_group_interface) { | |
470 | case P2P_GROUP_INTERFACE_PENDING: | |
471 | return WPA_IF_P2P_GROUP; | |
472 | case P2P_GROUP_INTERFACE_GO: | |
473 | return WPA_IF_P2P_GO; | |
474 | case P2P_GROUP_INTERFACE_CLIENT: | |
475 | return WPA_IF_P2P_CLIENT; | |
476 | } | |
477 | ||
478 | return WPA_IF_P2P_GROUP; | |
479 | } | |
480 | ||
481 | ||
6c0da49f JM |
482 | static struct wpa_supplicant * wpas_get_p2p_group(struct wpa_supplicant *wpa_s, |
483 | const u8 *ssid, | |
484 | size_t ssid_len, int *go) | |
485 | { | |
486 | struct wpa_ssid *s; | |
487 | ||
488 | for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) { | |
489 | for (s = wpa_s->conf->ssid; s; s = s->next) { | |
490 | if (s->disabled != 0 || !s->p2p_group || | |
491 | s->ssid_len != ssid_len || | |
492 | os_memcmp(ssid, s->ssid, ssid_len) != 0) | |
493 | continue; | |
494 | if (s->mode == WPAS_MODE_P2P_GO && | |
495 | s != wpa_s->current_ssid) | |
496 | continue; | |
497 | if (go) | |
498 | *go = s->mode == WPAS_MODE_P2P_GO; | |
499 | return wpa_s; | |
500 | } | |
501 | } | |
502 | ||
503 | return NULL; | |
504 | } | |
505 | ||
506 | ||
f2b3acc9 JM |
507 | static void run_wpas_p2p_disconnect(void *eloop_ctx, void *timeout_ctx) |
508 | { | |
509 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
510 | wpa_printf(MSG_DEBUG, | |
511 | "P2P: Complete previously requested removal of %s", | |
512 | wpa_s->ifname); | |
513 | wpas_p2p_disconnect(wpa_s); | |
514 | } | |
515 | ||
516 | ||
517 | static int wpas_p2p_disconnect_safely(struct wpa_supplicant *wpa_s, | |
518 | struct wpa_supplicant *calling_wpa_s) | |
519 | { | |
3586d55a | 520 | if (calling_wpa_s == wpa_s && wpa_s && |
f2b3acc9 JM |
521 | wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE) { |
522 | /* | |
523 | * The calling wpa_s instance is going to be removed. Do that | |
524 | * from an eloop callback to keep the instance available until | |
525 | * the caller has returned. This my be needed, e.g., to provide | |
526 | * control interface responses on the per-interface socket. | |
527 | */ | |
528 | if (eloop_register_timeout(0, 0, run_wpas_p2p_disconnect, | |
529 | wpa_s, NULL) < 0) | |
530 | return -1; | |
531 | return 0; | |
532 | } | |
533 | ||
534 | return wpas_p2p_disconnect(wpa_s); | |
535 | } | |
536 | ||
537 | ||
5fefce27 KV |
538 | /* Determine total number of clients in active groups where we are the GO */ |
539 | static unsigned int p2p_group_go_member_count(struct wpa_supplicant *wpa_s) | |
540 | { | |
541 | unsigned int count = 0; | |
542 | struct wpa_ssid *s; | |
543 | ||
544 | for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) { | |
545 | for (s = wpa_s->conf->ssid; s; s = s->next) { | |
546 | wpa_printf(MSG_DEBUG, | |
547 | "P2P: sup:%p ssid:%p disabled:%d p2p:%d mode:%d", | |
548 | wpa_s, s, s->disabled, s->p2p_group, | |
549 | s->mode); | |
550 | if (!s->disabled && s->p2p_group && | |
551 | s->mode == WPAS_MODE_P2P_GO) { | |
552 | count += p2p_get_group_num_members( | |
553 | wpa_s->p2p_group); | |
554 | } | |
555 | } | |
556 | } | |
557 | ||
558 | return count; | |
559 | } | |
560 | ||
561 | ||
8d5e7329 IP |
562 | static unsigned int p2p_is_active_persistent_group(struct wpa_supplicant *wpa_s) |
563 | { | |
564 | return !wpa_s->p2p_mgmt && wpa_s->current_ssid && | |
565 | !wpa_s->current_ssid->disabled && | |
566 | wpa_s->current_ssid->p2p_group && | |
567 | wpa_s->current_ssid->p2p_persistent_group; | |
568 | } | |
569 | ||
570 | ||
571 | static unsigned int p2p_is_active_persistent_go(struct wpa_supplicant *wpa_s) | |
572 | { | |
573 | return p2p_is_active_persistent_group(wpa_s) && | |
574 | wpa_s->current_ssid->mode == WPAS_MODE_P2P_GO; | |
575 | } | |
576 | ||
577 | ||
6d908514 KV |
578 | /* Find an interface for a P2P group where we are the GO */ |
579 | static struct wpa_supplicant * | |
580 | wpas_p2p_get_go_group(struct wpa_supplicant *wpa_s) | |
581 | { | |
582 | struct wpa_supplicant *save = NULL; | |
6d908514 KV |
583 | |
584 | if (!wpa_s) | |
585 | return NULL; | |
586 | ||
587 | for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) { | |
8d5e7329 IP |
588 | if (!p2p_is_active_persistent_go(wpa_s)) |
589 | continue; | |
6d908514 | 590 | |
8d5e7329 IP |
591 | /* Prefer a group with connected clients */ |
592 | if (p2p_get_group_num_members(wpa_s->p2p_group)) | |
593 | return wpa_s; | |
594 | save = wpa_s; | |
6d908514 KV |
595 | } |
596 | ||
597 | /* No group with connected clients, so pick the one without (if any) */ | |
598 | return save; | |
599 | } | |
600 | ||
601 | ||
ab804bcb IP |
602 | static unsigned int p2p_is_active_persistent_cli(struct wpa_supplicant *wpa_s) |
603 | { | |
604 | return p2p_is_active_persistent_group(wpa_s) && | |
605 | wpa_s->current_ssid->mode == WPAS_MODE_INFRA; | |
606 | } | |
607 | ||
608 | ||
609 | /* Find an interface for a P2P group where we are the P2P Client */ | |
610 | static struct wpa_supplicant * | |
611 | wpas_p2p_get_cli_group(struct wpa_supplicant *wpa_s) | |
612 | { | |
613 | for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) { | |
614 | if (p2p_is_active_persistent_cli(wpa_s)) | |
615 | return wpa_s; | |
616 | } | |
617 | ||
618 | return NULL; | |
619 | } | |
620 | ||
621 | ||
369678ad KV |
622 | /* Find a persistent group where we are the GO */ |
623 | static struct wpa_ssid * | |
624 | wpas_p2p_get_persistent_go(struct wpa_supplicant *wpa_s) | |
625 | { | |
626 | struct wpa_ssid *s; | |
627 | ||
628 | for (s = wpa_s->conf->ssid; s; s = s->next) { | |
629 | if (s->disabled == 2 && s->mode == WPAS_MODE_P2P_GO) | |
630 | return s; | |
631 | } | |
632 | ||
633 | return NULL; | |
634 | } | |
635 | ||
636 | ||
ebd32943 IP |
637 | static u8 p2ps_group_capability(void *ctx, u8 incoming, u8 role, |
638 | unsigned int *force_freq, | |
639 | unsigned int *pref_freq) | |
6d908514 | 640 | { |
ab804bcb | 641 | struct wpa_supplicant *wpa_s = ctx; |
6d908514 KV |
642 | struct wpa_ssid *s; |
643 | u8 conncap = P2PS_SETUP_NONE; | |
644 | unsigned int owned_members = 0; | |
ab804bcb | 645 | struct wpa_supplicant *go_wpa_s, *cli_wpa_s; |
6d908514 KV |
646 | struct wpa_ssid *persistent_go; |
647 | int p2p_no_group_iface; | |
ebd32943 | 648 | unsigned int pref_freq_list[P2P_MAX_PREF_CHANNELS], size; |
6d908514 KV |
649 | |
650 | wpa_printf(MSG_DEBUG, "P2P: Conncap - in:%d role:%d", incoming, role); | |
651 | ||
ebd32943 IP |
652 | if (force_freq) |
653 | *force_freq = 0; | |
654 | if (pref_freq) | |
655 | *pref_freq = 0; | |
656 | ||
657 | size = P2P_MAX_PREF_CHANNELS; | |
658 | if (force_freq && pref_freq && | |
659 | !wpas_p2p_setup_freqs(wpa_s, 0, (int *) force_freq, | |
660 | (int *) pref_freq, 0, pref_freq_list, &size)) | |
661 | wpas_p2p_set_own_freq_preference(wpa_s, | |
662 | *force_freq ? *force_freq : | |
663 | *pref_freq); | |
664 | ||
6d908514 KV |
665 | /* |
666 | * For non-concurrent capable devices: | |
667 | * If persistent_go, then no new. | |
668 | * If GO, then no client. | |
669 | * If client, then no GO. | |
670 | */ | |
671 | go_wpa_s = wpas_p2p_get_go_group(wpa_s); | |
ab804bcb IP |
672 | if (go_wpa_s) |
673 | owned_members = p2p_get_group_num_members(go_wpa_s->p2p_group); | |
6d908514 | 674 | persistent_go = wpas_p2p_get_persistent_go(wpa_s); |
a698d6c8 | 675 | p2p_no_group_iface = !wpas_p2p_create_iface(wpa_s); |
ab804bcb | 676 | cli_wpa_s = wpas_p2p_get_cli_group(wpa_s); |
6d908514 | 677 | |
ab804bcb IP |
678 | wpa_printf(MSG_DEBUG, |
679 | "P2P: GO(iface)=%p members=%u CLI(iface)=%p persistent(ssid)=%p", | |
680 | go_wpa_s, owned_members, cli_wpa_s, persistent_go); | |
6d908514 KV |
681 | |
682 | /* If not concurrent, restrict our choices */ | |
683 | if (p2p_no_group_iface) { | |
684 | wpa_printf(MSG_DEBUG, "P2P: p2p_no_group_iface"); | |
685 | ||
ab804bcb | 686 | if (cli_wpa_s) |
6d908514 KV |
687 | return P2PS_SETUP_NONE; |
688 | ||
689 | if (go_wpa_s) { | |
690 | if (role == P2PS_SETUP_CLIENT || | |
691 | incoming == P2PS_SETUP_GROUP_OWNER || | |
692 | p2p_client_limit_reached(go_wpa_s->p2p_group)) | |
693 | return P2PS_SETUP_NONE; | |
694 | ||
695 | return P2PS_SETUP_GROUP_OWNER; | |
696 | } | |
697 | ||
698 | if (persistent_go) { | |
699 | if (role == P2PS_SETUP_NONE || role == P2PS_SETUP_NEW) { | |
700 | if (!incoming) | |
701 | return P2PS_SETUP_GROUP_OWNER | | |
702 | P2PS_SETUP_CLIENT; | |
703 | if (incoming == P2PS_SETUP_NEW) { | |
704 | u8 r; | |
705 | ||
706 | if (os_get_random(&r, sizeof(r)) < 0 || | |
707 | (r & 1)) | |
708 | return P2PS_SETUP_CLIENT; | |
709 | return P2PS_SETUP_GROUP_OWNER; | |
710 | } | |
711 | } | |
712 | } | |
713 | } | |
714 | ||
715 | /* If a required role has been specified, handle it here */ | |
716 | if (role && role != P2PS_SETUP_NEW) { | |
717 | switch (incoming) { | |
f8a80e39 IP |
718 | case P2PS_SETUP_GROUP_OWNER | P2PS_SETUP_NEW: |
719 | case P2PS_SETUP_GROUP_OWNER | P2PS_SETUP_CLIENT: | |
720 | /* | |
721 | * Peer has an active GO, so if the role allows it and | |
722 | * we do not have any active roles, become client. | |
723 | */ | |
724 | if ((role & P2PS_SETUP_CLIENT) && !go_wpa_s && | |
725 | !cli_wpa_s) | |
726 | return P2PS_SETUP_CLIENT; | |
727 | ||
728 | /* fall through */ | |
729 | ||
6d908514 KV |
730 | case P2PS_SETUP_NONE: |
731 | case P2PS_SETUP_NEW: | |
6d908514 KV |
732 | conncap = role; |
733 | goto grp_owner; | |
734 | ||
735 | case P2PS_SETUP_GROUP_OWNER: | |
736 | /* | |
737 | * Must be a complimentary role - cannot be a client to | |
738 | * more than one peer. | |
739 | */ | |
ab804bcb | 740 | if (incoming == role || cli_wpa_s) |
6d908514 KV |
741 | return P2PS_SETUP_NONE; |
742 | ||
743 | return P2PS_SETUP_CLIENT; | |
744 | ||
745 | case P2PS_SETUP_CLIENT: | |
746 | /* Must be a complimentary role */ | |
747 | if (incoming != role) { | |
748 | conncap = P2PS_SETUP_GROUP_OWNER; | |
749 | goto grp_owner; | |
750 | } | |
ce2a9644 | 751 | /* fall through */ |
6d908514 KV |
752 | |
753 | default: | |
754 | return P2PS_SETUP_NONE; | |
755 | } | |
756 | } | |
757 | ||
758 | /* | |
759 | * For now, we only will support ownership of one group, and being a | |
760 | * client of one group. Therefore, if we have either an existing GO | |
761 | * group, or an existing client group, we will not do a new GO | |
762 | * negotiation, but rather try to re-use the existing groups. | |
763 | */ | |
764 | switch (incoming) { | |
765 | case P2PS_SETUP_NONE: | |
766 | case P2PS_SETUP_NEW: | |
ab804bcb | 767 | if (cli_wpa_s) |
6d908514 KV |
768 | conncap = P2PS_SETUP_GROUP_OWNER; |
769 | else if (!owned_members) | |
770 | conncap = P2PS_SETUP_NEW; | |
771 | else if (incoming == P2PS_SETUP_NONE) | |
772 | conncap = P2PS_SETUP_GROUP_OWNER | P2PS_SETUP_CLIENT; | |
773 | else | |
774 | conncap = P2PS_SETUP_CLIENT; | |
775 | break; | |
776 | ||
777 | case P2PS_SETUP_CLIENT: | |
778 | conncap = P2PS_SETUP_GROUP_OWNER; | |
779 | break; | |
780 | ||
781 | case P2PS_SETUP_GROUP_OWNER: | |
ab804bcb | 782 | if (!cli_wpa_s) |
6d908514 KV |
783 | conncap = P2PS_SETUP_CLIENT; |
784 | break; | |
785 | ||
786 | case P2PS_SETUP_GROUP_OWNER | P2PS_SETUP_NEW: | |
787 | case P2PS_SETUP_GROUP_OWNER | P2PS_SETUP_CLIENT: | |
ab804bcb | 788 | if (cli_wpa_s) |
6d908514 KV |
789 | conncap = P2PS_SETUP_GROUP_OWNER; |
790 | else { | |
791 | u8 r; | |
792 | ||
793 | if (os_get_random(&r, sizeof(r)) < 0 || | |
794 | (r & 1)) | |
795 | conncap = P2PS_SETUP_CLIENT; | |
796 | else | |
797 | conncap = P2PS_SETUP_GROUP_OWNER; | |
798 | } | |
799 | break; | |
800 | ||
801 | default: | |
802 | return P2PS_SETUP_NONE; | |
803 | } | |
804 | ||
805 | grp_owner: | |
806 | if ((conncap & P2PS_SETUP_GROUP_OWNER) || | |
807 | (!incoming && (conncap & P2PS_SETUP_NEW))) { | |
808 | if (go_wpa_s && p2p_client_limit_reached(go_wpa_s->p2p_group)) | |
809 | conncap &= ~P2PS_SETUP_GROUP_OWNER; | |
6d908514 KV |
810 | |
811 | s = wpas_p2p_get_persistent_go(wpa_s); | |
ab804bcb | 812 | if (!s && !go_wpa_s && p2p_no_group_iface) { |
6d908514 | 813 | p2p_set_intended_addr(wpa_s->global->p2p, |
96a26ab7 LD |
814 | wpa_s->p2p_mgmt ? |
815 | wpa_s->parent->own_addr : | |
6d908514 | 816 | wpa_s->own_addr); |
ab804bcb | 817 | } else if (!s && !go_wpa_s) { |
6d908514 | 818 | if (wpas_p2p_add_group_interface(wpa_s, |
847ee1aa | 819 | WPA_IF_P2P_GROUP) < 0) { |
6d908514 KV |
820 | wpa_printf(MSG_ERROR, |
821 | "P2P: Failed to allocate a new interface for the group"); | |
822 | return P2PS_SETUP_NONE; | |
823 | } | |
93eca615 | 824 | wpa_s->global->pending_group_iface_for_p2ps = 1; |
6d908514 KV |
825 | p2p_set_intended_addr(wpa_s->global->p2p, |
826 | wpa_s->pending_interface_addr); | |
827 | } | |
828 | } | |
829 | ||
830 | return conncap; | |
831 | } | |
832 | ||
833 | ||
8dba4aef JM |
834 | static int wpas_p2p_group_delete(struct wpa_supplicant *wpa_s, |
835 | enum p2p_group_removal_reason removal_reason) | |
b22128ef JM |
836 | { |
837 | struct wpa_ssid *ssid; | |
838 | char *gtype; | |
3071e181 JM |
839 | const char *reason; |
840 | ||
b22128ef JM |
841 | ssid = wpa_s->current_ssid; |
842 | if (ssid == NULL) { | |
843 | /* | |
844 | * The current SSID was not known, but there may still be a | |
0c802384 JM |
845 | * pending P2P group interface waiting for provisioning or a |
846 | * P2P group that is trying to reconnect. | |
b22128ef JM |
847 | */ |
848 | ssid = wpa_s->conf->ssid; | |
849 | while (ssid) { | |
6d22a377 | 850 | if (ssid->p2p_group && ssid->disabled != 2) |
b22128ef JM |
851 | break; |
852 | ssid = ssid->next; | |
853 | } | |
6f1ca696 JM |
854 | if (ssid == NULL && |
855 | wpa_s->p2p_group_interface == NOT_P2P_GROUP_INTERFACE) | |
856 | { | |
30ee7692 MN |
857 | wpa_printf(MSG_ERROR, "P2P: P2P group interface " |
858 | "not found"); | |
859 | return -1; | |
860 | } | |
b22128ef JM |
861 | } |
862 | if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_GO) | |
863 | gtype = "GO"; | |
864 | else if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_CLIENT || | |
865 | (ssid && ssid->mode == WPAS_MODE_INFRA)) { | |
866 | wpa_s->reassociate = 0; | |
867 | wpa_s->disconnected = 1; | |
b22128ef JM |
868 | gtype = "client"; |
869 | } else | |
870 | gtype = "GO"; | |
c45dabb8 EA |
871 | |
872 | if (removal_reason != P2P_GROUP_REMOVAL_SILENT && ssid) | |
873 | wpas_notify_p2p_group_removed(wpa_s, ssid, gtype); | |
874 | ||
debb2dac | 875 | if (os_strcmp(gtype, "client") == 0) { |
c45dabb8 | 876 | wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING); |
debb2dac JM |
877 | if (eloop_is_timeout_registered(wpas_p2p_psk_failure_removal, |
878 | wpa_s, NULL)) { | |
879 | wpa_printf(MSG_DEBUG, | |
880 | "P2P: PSK failure removal was scheduled, so use PSK failure as reason for group removal"); | |
881 | removal_reason = P2P_GROUP_REMOVAL_PSK_FAILURE; | |
882 | eloop_cancel_timeout(wpas_p2p_psk_failure_removal, | |
883 | wpa_s, NULL); | |
884 | } | |
885 | } | |
c45dabb8 | 886 | |
72044390 JM |
887 | if (wpa_s->cross_connect_in_use) { |
888 | wpa_s->cross_connect_in_use = 0; | |
ba307f85 | 889 | wpa_msg_global(wpa_s->p2pdev, MSG_INFO, |
92c4465b JM |
890 | P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s", |
891 | wpa_s->ifname, wpa_s->cross_connect_uplink); | |
72044390 | 892 | } |
8dba4aef | 893 | switch (removal_reason) { |
3071e181 JM |
894 | case P2P_GROUP_REMOVAL_REQUESTED: |
895 | reason = " reason=REQUESTED"; | |
896 | break; | |
8dba4aef JM |
897 | case P2P_GROUP_REMOVAL_FORMATION_FAILED: |
898 | reason = " reason=FORMATION_FAILED"; | |
899 | break; | |
3071e181 JM |
900 | case P2P_GROUP_REMOVAL_IDLE_TIMEOUT: |
901 | reason = " reason=IDLE"; | |
902 | break; | |
c973f386 JM |
903 | case P2P_GROUP_REMOVAL_UNAVAILABLE: |
904 | reason = " reason=UNAVAILABLE"; | |
905 | break; | |
3fc14102 JM |
906 | case P2P_GROUP_REMOVAL_GO_ENDING_SESSION: |
907 | reason = " reason=GO_ENDING_SESSION"; | |
908 | break; | |
5bf9a6c8 JM |
909 | case P2P_GROUP_REMOVAL_PSK_FAILURE: |
910 | reason = " reason=PSK_FAILURE"; | |
911 | break; | |
8567866d JJ |
912 | case P2P_GROUP_REMOVAL_FREQ_CONFLICT: |
913 | reason = " reason=FREQ_CONFLICT"; | |
914 | break; | |
3071e181 JM |
915 | default: |
916 | reason = ""; | |
917 | break; | |
918 | } | |
8dba4aef | 919 | if (removal_reason != P2P_GROUP_REMOVAL_SILENT) { |
ba307f85 | 920 | wpa_msg_global(wpa_s->p2pdev, MSG_INFO, |
92c4465b JM |
921 | P2P_EVENT_GROUP_REMOVED "%s %s%s", |
922 | wpa_s->ifname, gtype, reason); | |
aa9bb764 | 923 | } |
408af93e | 924 | |
8567866d JJ |
925 | if (eloop_cancel_timeout(wpas_p2p_group_freq_conflict, wpa_s, NULL) > 0) |
926 | wpa_printf(MSG_DEBUG, "P2P: Cancelled P2P group freq_conflict timeout"); | |
dddc7045 JM |
927 | if (eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL) > 0) |
928 | wpa_printf(MSG_DEBUG, "P2P: Cancelled P2P group idle timeout"); | |
77dfafd0 | 929 | if (eloop_cancel_timeout(wpas_p2p_group_formation_timeout, |
ba307f85 | 930 | wpa_s->p2pdev, NULL) > 0) { |
77dfafd0 JM |
931 | wpa_printf(MSG_DEBUG, "P2P: Cancelled P2P group formation " |
932 | "timeout"); | |
c9c77083 | 933 | wpa_s->p2p_in_provisioning = 0; |
be11a594 | 934 | wpas_p2p_group_formation_failed(wpa_s, 1); |
c9c77083 | 935 | } |
a7a30b90 | 936 | |
41d5ce9e | 937 | wpa_s->p2p_in_invitation = 0; |
1a471ff0 | 938 | eloop_cancel_timeout(wpas_p2p_move_go, wpa_s, NULL); |
dae4c82c | 939 | eloop_cancel_timeout(wpas_p2p_reconsider_moving_go, wpa_s, NULL); |
41d5ce9e | 940 | |
adeb4f59 JM |
941 | /* |
942 | * Make sure wait for the first client does not remain active after the | |
943 | * group has been removed. | |
944 | */ | |
945 | wpa_s->global->p2p_go_wait_client.sec = 0; | |
946 | ||
b22128ef JM |
947 | if (wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE) { |
948 | struct wpa_global *global; | |
949 | char *ifname; | |
950 | enum wpa_driver_if_type type; | |
951 | wpa_printf(MSG_DEBUG, "P2P: Remove group interface %s", | |
952 | wpa_s->ifname); | |
953 | global = wpa_s->global; | |
954 | ifname = os_strdup(wpa_s->ifname); | |
955 | type = wpas_p2p_if_type(wpa_s->p2p_group_interface); | |
f2b3acc9 | 956 | eloop_cancel_timeout(run_wpas_p2p_disconnect, wpa_s, NULL); |
df509539 | 957 | wpa_supplicant_remove_iface(wpa_s->global, wpa_s, 0); |
b22128ef JM |
958 | wpa_s = global->ifaces; |
959 | if (wpa_s && ifname) | |
960 | wpa_drv_if_remove(wpa_s, type, ifname); | |
961 | os_free(ifname); | |
0aadd568 | 962 | return 1; |
b22128ef JM |
963 | } |
964 | ||
96a26ab7 LD |
965 | /* |
966 | * The primary interface was used for P2P group operations, so | |
967 | * need to reset its p2pdev. | |
968 | */ | |
969 | wpa_s->p2pdev = wpa_s->parent; | |
970 | ||
acdd0fc8 DG |
971 | if (!wpa_s->p2p_go_group_formation_completed) { |
972 | wpa_s->global->p2p_group_formation = NULL; | |
973 | wpa_s->p2p_in_provisioning = 0; | |
974 | } | |
975 | ||
c092d83e JM |
976 | wpa_s->show_group_started = 0; |
977 | os_free(wpa_s->go_params); | |
978 | wpa_s->go_params = NULL; | |
979 | ||
20beb96f IP |
980 | os_free(wpa_s->p2p_group_common_freqs); |
981 | wpa_s->p2p_group_common_freqs = NULL; | |
982 | wpa_s->p2p_group_common_freqs_num = 0; | |
2b7fa035 | 983 | wpa_s->p2p_go_do_acs = 0; |
20beb96f | 984 | |
c64e3a08 JM |
985 | wpa_s->waiting_presence_resp = 0; |
986 | ||
b22128ef JM |
987 | wpa_printf(MSG_DEBUG, "P2P: Remove temporary group network"); |
988 | if (ssid && (ssid->p2p_group || | |
989 | ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION || | |
990 | (ssid->key_mgmt & WPA_KEY_MGMT_WPS))) { | |
991 | int id = ssid->id; | |
20a0b03d JM |
992 | if (ssid == wpa_s->current_ssid) { |
993 | wpa_sm_set_config(wpa_s->wpa, NULL); | |
994 | eapol_sm_notify_config(wpa_s->eapol, NULL, NULL); | |
b22128ef | 995 | wpa_s->current_ssid = NULL; |
20a0b03d | 996 | } |
c2762e41 JS |
997 | /* |
998 | * Networks objects created during any P2P activities are not | |
999 | * exposed out as they might/will confuse certain non-P2P aware | |
1000 | * applications since these network objects won't behave like | |
1001 | * regular ones. | |
1002 | * | |
1003 | * Likewise, we don't send out network removed signals for such | |
1004 | * network objects. | |
1005 | */ | |
b22128ef JM |
1006 | wpa_config_remove_network(wpa_s->conf, id); |
1007 | wpa_supplicant_clear_status(wpa_s); | |
433cd2ce | 1008 | wpa_supplicant_cancel_sched_scan(wpa_s); |
b22128ef JM |
1009 | } else { |
1010 | wpa_printf(MSG_DEBUG, "P2P: Temporary group network not " | |
1011 | "found"); | |
1012 | } | |
3c29244e EP |
1013 | if (wpa_s->ap_iface) |
1014 | wpa_supplicant_ap_deinit(wpa_s); | |
1015 | else | |
1016 | wpa_drv_deinit_p2p_cli(wpa_s); | |
30ee7692 | 1017 | |
9f59fe8d JM |
1018 | os_memset(wpa_s->go_dev_addr, 0, ETH_ALEN); |
1019 | ||
30ee7692 | 1020 | return 0; |
b22128ef JM |
1021 | } |
1022 | ||
1023 | ||
1024 | static int wpas_p2p_persistent_group(struct wpa_supplicant *wpa_s, | |
1025 | u8 *go_dev_addr, | |
1026 | const u8 *ssid, size_t ssid_len) | |
1027 | { | |
1028 | struct wpa_bss *bss; | |
1029 | const u8 *bssid; | |
1030 | struct wpabuf *p2p; | |
1031 | u8 group_capab; | |
1032 | const u8 *addr; | |
1033 | ||
1034 | if (wpa_s->go_params) | |
1035 | bssid = wpa_s->go_params->peer_interface_addr; | |
1036 | else | |
1037 | bssid = wpa_s->bssid; | |
1038 | ||
1039 | bss = wpa_bss_get(wpa_s, bssid, ssid, ssid_len); | |
23318bea JM |
1040 | if (bss == NULL && wpa_s->go_params && |
1041 | !is_zero_ether_addr(wpa_s->go_params->peer_device_addr)) | |
1042 | bss = wpa_bss_get_p2p_dev_addr( | |
1043 | wpa_s, wpa_s->go_params->peer_device_addr); | |
b22128ef JM |
1044 | if (bss == NULL) { |
1045 | u8 iface_addr[ETH_ALEN]; | |
1046 | if (p2p_get_interface_addr(wpa_s->global->p2p, bssid, | |
1047 | iface_addr) == 0) | |
1048 | bss = wpa_bss_get(wpa_s, iface_addr, ssid, ssid_len); | |
1049 | } | |
1050 | if (bss == NULL) { | |
1051 | wpa_printf(MSG_DEBUG, "P2P: Could not figure out whether " | |
1052 | "group is persistent - BSS " MACSTR " not found", | |
1053 | MAC2STR(bssid)); | |
1054 | return 0; | |
1055 | } | |
1056 | ||
1057 | p2p = wpa_bss_get_vendor_ie_multi(bss, P2P_IE_VENDOR_TYPE); | |
5df7414b JM |
1058 | if (p2p == NULL) |
1059 | p2p = wpa_bss_get_vendor_ie_multi_beacon(bss, | |
1060 | P2P_IE_VENDOR_TYPE); | |
b22128ef JM |
1061 | if (p2p == NULL) { |
1062 | wpa_printf(MSG_DEBUG, "P2P: Could not figure out whether " | |
1063 | "group is persistent - BSS " MACSTR | |
1064 | " did not include P2P IE", MAC2STR(bssid)); | |
1065 | wpa_hexdump(MSG_DEBUG, "P2P: Probe Response IEs", | |
1066 | (u8 *) (bss + 1), bss->ie_len); | |
1067 | wpa_hexdump(MSG_DEBUG, "P2P: Beacon IEs", | |
1068 | ((u8 *) bss + 1) + bss->ie_len, | |
1069 | bss->beacon_ie_len); | |
1070 | return 0; | |
1071 | } | |
1072 | ||
1073 | group_capab = p2p_get_group_capab(p2p); | |
1074 | addr = p2p_get_go_dev_addr(p2p); | |
1075 | wpa_printf(MSG_DEBUG, "P2P: Checking whether group is persistent: " | |
1076 | "group_capab=0x%x", group_capab); | |
1077 | if (addr) { | |
1078 | os_memcpy(go_dev_addr, addr, ETH_ALEN); | |
1079 | wpa_printf(MSG_DEBUG, "P2P: GO Device Address " MACSTR, | |
1080 | MAC2STR(addr)); | |
1081 | } else | |
1082 | os_memset(go_dev_addr, 0, ETH_ALEN); | |
1083 | wpabuf_free(p2p); | |
1084 | ||
1085 | wpa_printf(MSG_DEBUG, "P2P: BSS " MACSTR " group_capab=0x%x " | |
1086 | "go_dev_addr=" MACSTR, | |
1087 | MAC2STR(bssid), group_capab, MAC2STR(go_dev_addr)); | |
1088 | ||
112fdee7 | 1089 | return !!(group_capab & P2P_GROUP_CAPAB_PERSISTENT_GROUP); |
b22128ef JM |
1090 | } |
1091 | ||
1092 | ||
4b6baa2f JMB |
1093 | static int wpas_p2p_store_persistent_group(struct wpa_supplicant *wpa_s, |
1094 | struct wpa_ssid *ssid, | |
1095 | const u8 *go_dev_addr) | |
b22128ef JM |
1096 | { |
1097 | struct wpa_ssid *s; | |
1098 | int changed = 0; | |
1099 | ||
1100 | wpa_printf(MSG_DEBUG, "P2P: Storing credentials for a persistent " | |
1101 | "group (GO Dev Addr " MACSTR ")", MAC2STR(go_dev_addr)); | |
1102 | for (s = wpa_s->conf->ssid; s; s = s->next) { | |
1103 | if (s->disabled == 2 && | |
1104 | os_memcmp(go_dev_addr, s->bssid, ETH_ALEN) == 0 && | |
1105 | s->ssid_len == ssid->ssid_len && | |
1106 | os_memcmp(ssid->ssid, s->ssid, ssid->ssid_len) == 0) | |
1107 | break; | |
1108 | } | |
1109 | ||
1110 | if (s) { | |
1111 | wpa_printf(MSG_DEBUG, "P2P: Update existing persistent group " | |
1112 | "entry"); | |
1113 | if (ssid->passphrase && !s->passphrase) | |
1114 | changed = 1; | |
1115 | else if (ssid->passphrase && s->passphrase && | |
1116 | os_strcmp(ssid->passphrase, s->passphrase) != 0) | |
1117 | changed = 1; | |
1118 | } else { | |
1119 | wpa_printf(MSG_DEBUG, "P2P: Create a new persistent group " | |
1120 | "entry"); | |
1121 | changed = 1; | |
1122 | s = wpa_config_add_network(wpa_s->conf); | |
1123 | if (s == NULL) | |
4b6baa2f | 1124 | return -1; |
c2762e41 JS |
1125 | |
1126 | /* | |
1127 | * Instead of network_added we emit persistent_group_added | |
1128 | * notification. Also to keep the defense checks in | |
1129 | * persistent_group obj registration method, we set the | |
1130 | * relevant flags in s to designate it as a persistent group. | |
1131 | */ | |
1132 | s->p2p_group = 1; | |
1133 | s->p2p_persistent_group = 1; | |
1134 | wpas_notify_persistent_group_added(wpa_s, s); | |
b22128ef JM |
1135 | wpa_config_set_network_defaults(s); |
1136 | } | |
1137 | ||
1138 | s->p2p_group = 1; | |
1139 | s->p2p_persistent_group = 1; | |
1140 | s->disabled = 2; | |
1141 | s->bssid_set = 1; | |
1142 | os_memcpy(s->bssid, go_dev_addr, ETH_ALEN); | |
1143 | s->mode = ssid->mode; | |
1144 | s->auth_alg = WPA_AUTH_ALG_OPEN; | |
1145 | s->key_mgmt = WPA_KEY_MGMT_PSK; | |
1146 | s->proto = WPA_PROTO_RSN; | |
f347429c LD |
1147 | s->pbss = ssid->pbss; |
1148 | s->pairwise_cipher = ssid->pbss ? WPA_CIPHER_GCMP : WPA_CIPHER_CCMP; | |
d1c8ac88 | 1149 | s->export_keys = 1; |
b22128ef JM |
1150 | if (ssid->passphrase) { |
1151 | os_free(s->passphrase); | |
1152 | s->passphrase = os_strdup(ssid->passphrase); | |
1153 | } | |
1154 | if (ssid->psk_set) { | |
1155 | s->psk_set = 1; | |
1156 | os_memcpy(s->psk, ssid->psk, 32); | |
1157 | } | |
1158 | if (s->passphrase && !s->psk_set) | |
1159 | wpa_config_update_psk(s); | |
1160 | if (s->ssid == NULL || s->ssid_len < ssid->ssid_len) { | |
1161 | os_free(s->ssid); | |
1162 | s->ssid = os_malloc(ssid->ssid_len); | |
1163 | } | |
1164 | if (s->ssid) { | |
1165 | s->ssid_len = ssid->ssid_len; | |
1166 | os_memcpy(s->ssid, ssid->ssid, s->ssid_len); | |
1167 | } | |
01a57fe4 JM |
1168 | if (ssid->mode == WPAS_MODE_P2P_GO && wpa_s->global->add_psk) { |
1169 | dl_list_add(&s->psk_list, &wpa_s->global->add_psk->list); | |
1170 | wpa_s->global->add_psk = NULL; | |
1171 | changed = 1; | |
1172 | } | |
b22128ef | 1173 | |
b22128ef JM |
1174 | if (changed && wpa_s->conf->update_config && |
1175 | wpa_config_write(wpa_s->confname, wpa_s->conf)) { | |
1176 | wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration"); | |
1177 | } | |
4b6baa2f JMB |
1178 | |
1179 | return s->id; | |
b22128ef JM |
1180 | } |
1181 | ||
1182 | ||
fbdcfd57 JM |
1183 | static void wpas_p2p_add_persistent_group_client(struct wpa_supplicant *wpa_s, |
1184 | const u8 *addr) | |
1185 | { | |
1186 | struct wpa_ssid *ssid, *s; | |
1187 | u8 *n; | |
1188 | size_t i; | |
22316795 | 1189 | int found = 0; |
1e0a0294 | 1190 | struct wpa_supplicant *p2p_wpa_s = wpa_s->global->p2p_init_wpa_s; |
fbdcfd57 JM |
1191 | |
1192 | ssid = wpa_s->current_ssid; | |
1193 | if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO || | |
1194 | !ssid->p2p_persistent_group) | |
1195 | return; | |
1196 | ||
1e0a0294 | 1197 | for (s = p2p_wpa_s->conf->ssid; s; s = s->next) { |
fbdcfd57 JM |
1198 | if (s->disabled != 2 || s->mode != WPAS_MODE_P2P_GO) |
1199 | continue; | |
1200 | ||
1201 | if (s->ssid_len == ssid->ssid_len && | |
1202 | os_memcmp(s->ssid, ssid->ssid, s->ssid_len) == 0) | |
1203 | break; | |
1204 | } | |
1205 | ||
1206 | if (s == NULL) | |
1207 | return; | |
1208 | ||
1209 | for (i = 0; s->p2p_client_list && i < s->num_p2p_clients; i++) { | |
79cd993a | 1210 | if (os_memcmp(s->p2p_client_list + i * 2 * ETH_ALEN, addr, |
22316795 JM |
1211 | ETH_ALEN) != 0) |
1212 | continue; | |
1213 | ||
1214 | if (i == s->num_p2p_clients - 1) | |
1215 | return; /* already the most recent entry */ | |
1216 | ||
1217 | /* move the entry to mark it most recent */ | |
79cd993a ST |
1218 | os_memmove(s->p2p_client_list + i * 2 * ETH_ALEN, |
1219 | s->p2p_client_list + (i + 1) * 2 * ETH_ALEN, | |
1220 | (s->num_p2p_clients - i - 1) * 2 * ETH_ALEN); | |
22316795 | 1221 | os_memcpy(s->p2p_client_list + |
79cd993a ST |
1222 | (s->num_p2p_clients - 1) * 2 * ETH_ALEN, addr, |
1223 | ETH_ALEN); | |
1224 | os_memset(s->p2p_client_list + | |
1225 | (s->num_p2p_clients - 1) * 2 * ETH_ALEN + ETH_ALEN, | |
1226 | 0xff, ETH_ALEN); | |
22316795 JM |
1227 | found = 1; |
1228 | break; | |
fbdcfd57 JM |
1229 | } |
1230 | ||
b4a5dfa9 | 1231 | if (!found && s->num_p2p_clients < P2P_MAX_STORED_CLIENTS) { |
22316795 | 1232 | n = os_realloc_array(s->p2p_client_list, |
79cd993a | 1233 | s->num_p2p_clients + 1, 2 * ETH_ALEN); |
22316795 JM |
1234 | if (n == NULL) |
1235 | return; | |
79cd993a ST |
1236 | os_memcpy(n + s->num_p2p_clients * 2 * ETH_ALEN, addr, |
1237 | ETH_ALEN); | |
1238 | os_memset(n + s->num_p2p_clients * 2 * ETH_ALEN + ETH_ALEN, | |
1239 | 0xff, ETH_ALEN); | |
22316795 JM |
1240 | s->p2p_client_list = n; |
1241 | s->num_p2p_clients++; | |
8931a36c | 1242 | } else if (!found && s->p2p_client_list) { |
b4a5dfa9 JM |
1243 | /* Not enough room for an additional entry - drop the oldest |
1244 | * entry */ | |
1245 | os_memmove(s->p2p_client_list, | |
79cd993a ST |
1246 | s->p2p_client_list + 2 * ETH_ALEN, |
1247 | (s->num_p2p_clients - 1) * 2 * ETH_ALEN); | |
b4a5dfa9 | 1248 | os_memcpy(s->p2p_client_list + |
79cd993a | 1249 | (s->num_p2p_clients - 1) * 2 * ETH_ALEN, |
b4a5dfa9 | 1250 | addr, ETH_ALEN); |
79cd993a ST |
1251 | os_memset(s->p2p_client_list + |
1252 | (s->num_p2p_clients - 1) * 2 * ETH_ALEN + ETH_ALEN, | |
1253 | 0xff, ETH_ALEN); | |
22316795 | 1254 | } |
fbdcfd57 | 1255 | |
1e0a0294 IP |
1256 | if (p2p_wpa_s->conf->update_config && |
1257 | wpa_config_write(p2p_wpa_s->confname, p2p_wpa_s->conf)) | |
fbdcfd57 | 1258 | wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration"); |
fbdcfd57 JM |
1259 | } |
1260 | ||
1261 | ||
f8723e1e JM |
1262 | static void wpas_p2p_group_started(struct wpa_supplicant *wpa_s, |
1263 | int go, struct wpa_ssid *ssid, int freq, | |
1264 | const u8 *psk, const char *passphrase, | |
1265 | const u8 *go_dev_addr, int persistent, | |
1266 | const char *extra) | |
1267 | { | |
1268 | const char *ssid_txt; | |
1269 | char psk_txt[65]; | |
1270 | ||
1271 | if (psk) | |
1272 | wpa_snprintf_hex(psk_txt, sizeof(psk_txt), psk, 32); | |
1273 | else | |
1274 | psk_txt[0] = '\0'; | |
1275 | ||
1276 | if (ssid) | |
1277 | ssid_txt = wpa_ssid_txt(ssid->ssid, ssid->ssid_len); | |
1278 | else | |
1279 | ssid_txt = ""; | |
1280 | ||
1281 | if (passphrase && passphrase[0] == '\0') | |
1282 | passphrase = NULL; | |
1283 | ||
52f4abfd JM |
1284 | /* |
1285 | * Include PSK/passphrase only in the control interface message and | |
1286 | * leave it out from the debug log entry. | |
1287 | */ | |
ba307f85 | 1288 | wpa_msg_global_ctrl(wpa_s->p2pdev, MSG_INFO, |
52f4abfd JM |
1289 | P2P_EVENT_GROUP_STARTED |
1290 | "%s %s ssid=\"%s\" freq=%d%s%s%s%s%s go_dev_addr=" | |
1291 | MACSTR "%s%s", | |
1292 | wpa_s->ifname, go ? "GO" : "client", ssid_txt, freq, | |
1293 | psk ? " psk=" : "", psk_txt, | |
1294 | passphrase ? " passphrase=\"" : "", | |
1295 | passphrase ? passphrase : "", | |
1296 | passphrase ? "\"" : "", | |
1297 | MAC2STR(go_dev_addr), | |
1298 | persistent ? " [PERSISTENT]" : "", extra); | |
1299 | wpa_printf(MSG_INFO, P2P_EVENT_GROUP_STARTED | |
1300 | "%s %s ssid=\"%s\" freq=%d go_dev_addr=" MACSTR "%s%s", | |
1301 | wpa_s->ifname, go ? "GO" : "client", ssid_txt, freq, | |
1302 | MAC2STR(go_dev_addr), persistent ? " [PERSISTENT]" : "", | |
1303 | extra); | |
f8723e1e JM |
1304 | } |
1305 | ||
1306 | ||
b22128ef | 1307 | static void wpas_group_formation_completed(struct wpa_supplicant *wpa_s, |
d95c5994 | 1308 | int success, int already_deleted) |
b22128ef JM |
1309 | { |
1310 | struct wpa_ssid *ssid; | |
b22128ef JM |
1311 | int client; |
1312 | int persistent; | |
1313 | u8 go_dev_addr[ETH_ALEN]; | |
1314 | ||
1315 | /* | |
1316 | * This callback is likely called for the main interface. Update wpa_s | |
1317 | * to use the group interface if a new interface was created for the | |
1318 | * group. | |
1319 | */ | |
1320 | if (wpa_s->global->p2p_group_formation) | |
1321 | wpa_s = wpa_s->global->p2p_group_formation; | |
41f85323 JM |
1322 | if (wpa_s->p2p_go_group_formation_completed) { |
1323 | wpa_s->global->p2p_group_formation = NULL; | |
1324 | wpa_s->p2p_in_provisioning = 0; | |
618aa229 WG |
1325 | } else if (wpa_s->p2p_in_provisioning && !success) { |
1326 | wpa_msg(wpa_s, MSG_DEBUG, | |
1327 | "P2P: Stop provisioning state due to failure"); | |
1328 | wpa_s->p2p_in_provisioning = 0; | |
41f85323 | 1329 | } |
f05cee97 | 1330 | wpa_s->p2p_in_invitation = 0; |
61fc9048 | 1331 | wpa_s->group_formation_reported = 1; |
b22128ef JM |
1332 | |
1333 | if (!success) { | |
ba307f85 | 1334 | wpa_msg_global(wpa_s->p2pdev, MSG_INFO, |
92c4465b | 1335 | P2P_EVENT_GROUP_FORMATION_FAILURE); |
2a95fac9 | 1336 | wpas_notify_p2p_group_formation_failure(wpa_s, ""); |
d95c5994 JM |
1337 | if (already_deleted) |
1338 | return; | |
8dba4aef JM |
1339 | wpas_p2p_group_delete(wpa_s, |
1340 | P2P_GROUP_REMOVAL_FORMATION_FAILED); | |
b22128ef JM |
1341 | return; |
1342 | } | |
1343 | ||
ba307f85 | 1344 | wpa_msg_global(wpa_s->p2pdev, MSG_INFO, |
92c4465b | 1345 | P2P_EVENT_GROUP_FORMATION_SUCCESS); |
b22128ef JM |
1346 | |
1347 | ssid = wpa_s->current_ssid; | |
1348 | if (ssid && ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) { | |
1349 | ssid->mode = WPAS_MODE_P2P_GO; | |
1350 | p2p_group_notif_formation_done(wpa_s->p2p_group); | |
1351 | wpa_supplicant_ap_mac_addr_filter(wpa_s, NULL); | |
1352 | } | |
1353 | ||
1354 | persistent = 0; | |
1355 | if (ssid) { | |
b22128ef JM |
1356 | client = ssid->mode == WPAS_MODE_INFRA; |
1357 | if (ssid->mode == WPAS_MODE_P2P_GO) { | |
1358 | persistent = ssid->p2p_persistent_group; | |
d7e70476 | 1359 | os_memcpy(go_dev_addr, wpa_s->global->p2p_dev_addr, |
b22128ef JM |
1360 | ETH_ALEN); |
1361 | } else | |
1362 | persistent = wpas_p2p_persistent_group(wpa_s, | |
1363 | go_dev_addr, | |
1364 | ssid->ssid, | |
1365 | ssid->ssid_len); | |
1366 | } else { | |
b22128ef JM |
1367 | client = wpa_s->p2p_group_interface == |
1368 | P2P_GROUP_INTERFACE_CLIENT; | |
62c0d27e | 1369 | os_memset(go_dev_addr, 0, ETH_ALEN); |
b22128ef JM |
1370 | } |
1371 | ||
1372 | wpa_s->show_group_started = 0; | |
1373 | if (client) { | |
1374 | /* | |
1375 | * Indicate event only after successfully completed 4-way | |
1376 | * handshake, i.e., when the interface is ready for data | |
1377 | * packets. | |
1378 | */ | |
1379 | wpa_s->show_group_started = 1; | |
b22128ef | 1380 | } else { |
f8723e1e JM |
1381 | wpas_p2p_group_started(wpa_s, 1, ssid, |
1382 | ssid ? ssid->frequency : 0, | |
1383 | ssid && ssid->passphrase == NULL && | |
1384 | ssid->psk_set ? ssid->psk : NULL, | |
1385 | ssid ? ssid->passphrase : NULL, | |
1386 | go_dev_addr, persistent, ""); | |
72044390 | 1387 | wpas_p2p_cross_connect_setup(wpa_s); |
3071e181 | 1388 | wpas_p2p_set_group_idle_timeout(wpa_s); |
b22128ef JM |
1389 | } |
1390 | ||
1391 | if (persistent) | |
4fe50bbc NC |
1392 | wpas_p2p_store_persistent_group(wpa_s->p2pdev, |
1393 | ssid, go_dev_addr); | |
01a57fe4 JM |
1394 | else { |
1395 | os_free(wpa_s->global->add_psk); | |
1396 | wpa_s->global->add_psk = NULL; | |
1397 | } | |
4fe50bbc | 1398 | |
c1c0b35f | 1399 | if (!client) { |
18f16117 | 1400 | wpas_notify_p2p_group_started(wpa_s, ssid, persistent, 0, NULL); |
151ab808 | 1401 | os_get_reltime(&wpa_s->global->p2p_go_wait_client); |
c1c0b35f | 1402 | } |
b22128ef JM |
1403 | } |
1404 | ||
1405 | ||
e05e1308 JM |
1406 | struct send_action_work { |
1407 | unsigned int freq; | |
1408 | u8 dst[ETH_ALEN]; | |
1409 | u8 src[ETH_ALEN]; | |
1410 | u8 bssid[ETH_ALEN]; | |
1411 | size_t len; | |
1412 | unsigned int wait_time; | |
1413 | u8 buf[0]; | |
1414 | }; | |
1415 | ||
1416 | ||
e699a7a9 JM |
1417 | static void wpas_p2p_free_send_action_work(struct wpa_supplicant *wpa_s) |
1418 | { | |
1419 | struct send_action_work *awork = wpa_s->p2p_send_action_work->ctx; | |
1420 | ||
1421 | wpa_printf(MSG_DEBUG, | |
1422 | "P2P: Free Action frame radio work @%p (freq=%u dst=" | |
1423 | MACSTR " src=" MACSTR " bssid=" MACSTR " wait_time=%u)", | |
1424 | wpa_s->p2p_send_action_work, awork->freq, | |
1425 | MAC2STR(awork->dst), MAC2STR(awork->src), | |
1426 | MAC2STR(awork->bssid), awork->wait_time); | |
1427 | wpa_hexdump(MSG_DEBUG, "P2P: Freeing pending Action frame", | |
1428 | awork->buf, awork->len); | |
1429 | os_free(awork); | |
1430 | wpa_s->p2p_send_action_work->ctx = NULL; | |
1431 | radio_work_done(wpa_s->p2p_send_action_work); | |
1432 | wpa_s->p2p_send_action_work = NULL; | |
1433 | } | |
1434 | ||
1435 | ||
e05e1308 JM |
1436 | static void wpas_p2p_send_action_work_timeout(void *eloop_ctx, |
1437 | void *timeout_ctx) | |
1438 | { | |
1439 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
1440 | ||
1441 | if (!wpa_s->p2p_send_action_work) | |
1442 | return; | |
1443 | ||
1444 | wpa_printf(MSG_DEBUG, "P2P: Send Action frame radio work timed out"); | |
e699a7a9 | 1445 | wpas_p2p_free_send_action_work(wpa_s); |
e05e1308 JM |
1446 | } |
1447 | ||
1448 | ||
2fa980f0 | 1449 | static void wpas_p2p_action_tx_clear(struct wpa_supplicant *wpa_s) |
534525ff | 1450 | { |
e05e1308 JM |
1451 | if (wpa_s->p2p_send_action_work) { |
1452 | struct send_action_work *awork; | |
e699a7a9 | 1453 | |
e05e1308 | 1454 | awork = wpa_s->p2p_send_action_work->ctx; |
e699a7a9 JM |
1455 | wpa_printf(MSG_DEBUG, |
1456 | "P2P: Clear Action TX work @%p (wait_time=%u)", | |
1457 | wpa_s->p2p_send_action_work, awork->wait_time); | |
e05e1308 | 1458 | if (awork->wait_time == 0) { |
e699a7a9 | 1459 | wpas_p2p_free_send_action_work(wpa_s); |
e05e1308 JM |
1460 | } else { |
1461 | /* | |
1462 | * In theory, this should not be needed, but number of | |
1463 | * places in the P2P code is still using non-zero wait | |
1464 | * time for the last Action frame in the sequence and | |
1465 | * some of these do not call send_action_done(). | |
1466 | */ | |
1467 | eloop_cancel_timeout(wpas_p2p_send_action_work_timeout, | |
1468 | wpa_s, NULL); | |
1469 | eloop_register_timeout( | |
1470 | 0, awork->wait_time * 1000, | |
1471 | wpas_p2p_send_action_work_timeout, | |
1472 | wpa_s, NULL); | |
1473 | } | |
1474 | } | |
2fa980f0 JJ |
1475 | } |
1476 | ||
1477 | ||
1478 | static void wpas_p2p_send_action_tx_status(struct wpa_supplicant *wpa_s, | |
1479 | unsigned int freq, | |
1480 | const u8 *dst, const u8 *src, | |
1481 | const u8 *bssid, | |
1482 | const u8 *data, size_t data_len, | |
1483 | enum offchannel_send_action_result | |
1484 | result) | |
1485 | { | |
1486 | enum p2p_send_action_result res = P2P_SEND_ACTION_SUCCESS; | |
1487 | ||
1488 | wpas_p2p_action_tx_clear(wpa_s); | |
e05e1308 | 1489 | |
9526fd29 | 1490 | if (wpa_s->global->p2p == NULL || wpa_s->global->p2p_disabled) |
b22128ef JM |
1491 | return; |
1492 | ||
24f6497c JM |
1493 | switch (result) { |
1494 | case OFFCHANNEL_SEND_ACTION_SUCCESS: | |
1495 | res = P2P_SEND_ACTION_SUCCESS; | |
1496 | break; | |
1497 | case OFFCHANNEL_SEND_ACTION_NO_ACK: | |
1498 | res = P2P_SEND_ACTION_NO_ACK; | |
1499 | break; | |
1500 | case OFFCHANNEL_SEND_ACTION_FAILED: | |
1501 | res = P2P_SEND_ACTION_FAILED; | |
1502 | break; | |
b22128ef JM |
1503 | } |
1504 | ||
24f6497c | 1505 | p2p_send_action_cb(wpa_s->global->p2p, freq, dst, src, bssid, res); |
b22128ef | 1506 | |
f63b8542 JM |
1507 | if (result != OFFCHANNEL_SEND_ACTION_SUCCESS && |
1508 | wpa_s->pending_pd_before_join && | |
24f6497c | 1509 | (os_memcmp(dst, wpa_s->pending_join_dev_addr, ETH_ALEN) == 0 || |
175171ac JM |
1510 | os_memcmp(dst, wpa_s->pending_join_iface_addr, ETH_ALEN) == 0) && |
1511 | wpa_s->p2p_fallback_to_go_neg) { | |
b22128ef | 1512 | wpa_s->pending_pd_before_join = 0; |
175171ac JM |
1513 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: No ACK for PD Req " |
1514 | "during p2p_connect-auto"); | |
ba307f85 | 1515 | wpa_msg_global(wpa_s->p2pdev, MSG_INFO, |
6b005121 JM |
1516 | P2P_EVENT_FALLBACK_TO_GO_NEG |
1517 | "reason=no-ACK-to-PD-Req"); | |
175171ac JM |
1518 | wpas_p2p_fallback_to_go_neg(wpa_s, 0); |
1519 | return; | |
b22128ef JM |
1520 | } |
1521 | } | |
1522 | ||
1523 | ||
e05e1308 JM |
1524 | static void wpas_send_action_cb(struct wpa_radio_work *work, int deinit) |
1525 | { | |
1526 | struct wpa_supplicant *wpa_s = work->wpa_s; | |
1527 | struct send_action_work *awork = work->ctx; | |
1528 | ||
1529 | if (deinit) { | |
b3253ebb AO |
1530 | if (work->started) { |
1531 | eloop_cancel_timeout(wpas_p2p_send_action_work_timeout, | |
1532 | wpa_s, NULL); | |
1533 | wpa_s->p2p_send_action_work = NULL; | |
1534 | offchannel_send_action_done(wpa_s); | |
1535 | } | |
e05e1308 JM |
1536 | os_free(awork); |
1537 | return; | |
1538 | } | |
1539 | ||
1540 | if (offchannel_send_action(wpa_s, awork->freq, awork->dst, awork->src, | |
1541 | awork->bssid, awork->buf, awork->len, | |
1542 | awork->wait_time, | |
1543 | wpas_p2p_send_action_tx_status, 1) < 0) { | |
1544 | os_free(awork); | |
1545 | radio_work_done(work); | |
1546 | return; | |
1547 | } | |
1548 | wpa_s->p2p_send_action_work = work; | |
1549 | } | |
1550 | ||
1551 | ||
1552 | static int wpas_send_action_work(struct wpa_supplicant *wpa_s, | |
1553 | unsigned int freq, const u8 *dst, | |
1554 | const u8 *src, const u8 *bssid, const u8 *buf, | |
1555 | size_t len, unsigned int wait_time) | |
1556 | { | |
1557 | struct send_action_work *awork; | |
1558 | ||
1559 | if (wpa_s->p2p_send_action_work) { | |
1560 | wpa_printf(MSG_DEBUG, "P2P: Cannot schedule new p2p-send-action work since one is already pending"); | |
1561 | return -1; | |
1562 | } | |
1563 | ||
1564 | awork = os_zalloc(sizeof(*awork) + len); | |
1565 | if (awork == NULL) | |
1566 | return -1; | |
1567 | ||
1568 | awork->freq = freq; | |
1569 | os_memcpy(awork->dst, dst, ETH_ALEN); | |
1570 | os_memcpy(awork->src, src, ETH_ALEN); | |
1571 | os_memcpy(awork->bssid, bssid, ETH_ALEN); | |
1572 | awork->len = len; | |
1573 | awork->wait_time = wait_time; | |
1574 | os_memcpy(awork->buf, buf, len); | |
1575 | ||
1576 | if (radio_add_work(wpa_s, freq, "p2p-send-action", 0, | |
1577 | wpas_send_action_cb, awork) < 0) { | |
1578 | os_free(awork); | |
1579 | return -1; | |
1580 | } | |
1581 | ||
1582 | return 0; | |
1583 | } | |
1584 | ||
1585 | ||
b22128ef JM |
1586 | static int wpas_send_action(void *ctx, unsigned int freq, const u8 *dst, |
1587 | const u8 *src, const u8 *bssid, const u8 *buf, | |
947b5a15 | 1588 | size_t len, unsigned int wait_time, int *scheduled) |
b22128ef JM |
1589 | { |
1590 | struct wpa_supplicant *wpa_s = ctx; | |
e05e1308 JM |
1591 | int listen_freq = -1, send_freq = -1; |
1592 | ||
947b5a15 JM |
1593 | if (scheduled) |
1594 | *scheduled = 0; | |
e05e1308 JM |
1595 | if (wpa_s->p2p_listen_work) |
1596 | listen_freq = wpa_s->p2p_listen_work->freq; | |
1597 | if (wpa_s->p2p_send_action_work) | |
1598 | send_freq = wpa_s->p2p_send_action_work->freq; | |
1599 | if (listen_freq != (int) freq && send_freq != (int) freq) { | |
947b5a15 JM |
1600 | int res; |
1601 | ||
1602 | wpa_printf(MSG_DEBUG, "P2P: Schedule new radio work for Action frame TX (listen_freq=%d send_freq=%d freq=%u)", | |
1603 | listen_freq, send_freq, freq); | |
1604 | res = wpas_send_action_work(wpa_s, freq, dst, src, bssid, buf, | |
1605 | len, wait_time); | |
1606 | if (res == 0 && scheduled) | |
1607 | *scheduled = 1; | |
1608 | return res; | |
e05e1308 JM |
1609 | } |
1610 | ||
1611 | wpa_printf(MSG_DEBUG, "P2P: Use ongoing radio work for Action frame TX"); | |
24f6497c JM |
1612 | return offchannel_send_action(wpa_s, freq, dst, src, bssid, buf, len, |
1613 | wait_time, | |
b106173a | 1614 | wpas_p2p_send_action_tx_status, 1); |
b22128ef JM |
1615 | } |
1616 | ||
1617 | ||
1618 | static void wpas_send_action_done(void *ctx) | |
1619 | { | |
1620 | struct wpa_supplicant *wpa_s = ctx; | |
e05e1308 JM |
1621 | |
1622 | if (wpa_s->p2p_send_action_work) { | |
1623 | eloop_cancel_timeout(wpas_p2p_send_action_work_timeout, | |
1624 | wpa_s, NULL); | |
1625 | os_free(wpa_s->p2p_send_action_work->ctx); | |
1626 | radio_work_done(wpa_s->p2p_send_action_work); | |
1627 | wpa_s->p2p_send_action_work = NULL; | |
1628 | } | |
1629 | ||
24f6497c | 1630 | offchannel_send_action_done(wpa_s); |
b22128ef JM |
1631 | } |
1632 | ||
1633 | ||
1634 | static int wpas_copy_go_neg_results(struct wpa_supplicant *wpa_s, | |
1635 | struct p2p_go_neg_results *params) | |
1636 | { | |
1637 | if (wpa_s->go_params == NULL) { | |
1638 | wpa_s->go_params = os_malloc(sizeof(*params)); | |
1639 | if (wpa_s->go_params == NULL) | |
1640 | return -1; | |
1641 | } | |
1642 | os_memcpy(wpa_s->go_params, params, sizeof(*params)); | |
1643 | return 0; | |
1644 | } | |
1645 | ||
1646 | ||
1647 | static void wpas_start_wps_enrollee(struct wpa_supplicant *wpa_s, | |
1648 | struct p2p_go_neg_results *res) | |
1649 | { | |
61fc9048 | 1650 | wpa_s->group_formation_reported = 0; |
23318bea | 1651 | wpa_printf(MSG_DEBUG, "P2P: Start WPS Enrollee for peer " MACSTR |
8e9f53c3 | 1652 | " dev_addr " MACSTR " wps_method %d", |
23318bea | 1653 | MAC2STR(res->peer_interface_addr), |
8e9f53c3 | 1654 | MAC2STR(res->peer_device_addr), res->wps_method); |
e9a7ae41 JM |
1655 | wpa_hexdump_ascii(MSG_DEBUG, "P2P: Start WPS Enrollee for SSID", |
1656 | res->ssid, res->ssid_len); | |
b22128ef JM |
1657 | wpa_supplicant_ap_deinit(wpa_s); |
1658 | wpas_copy_go_neg_results(wpa_s, res); | |
db6ae69e | 1659 | if (res->wps_method == WPS_PBC) { |
83ebf558 | 1660 | wpas_wps_start_pbc(wpa_s, res->peer_interface_addr, 1, 0); |
db6ae69e JM |
1661 | #ifdef CONFIG_WPS_NFC |
1662 | } else if (res->wps_method == WPS_NFC) { | |
23318bea JM |
1663 | wpas_wps_start_nfc(wpa_s, res->peer_device_addr, |
1664 | res->peer_interface_addr, | |
ba307f85 LD |
1665 | wpa_s->p2pdev->p2p_oob_dev_pw, |
1666 | wpa_s->p2pdev->p2p_oob_dev_pw_id, 1, | |
1667 | wpa_s->p2pdev->p2p_oob_dev_pw_id == | |
db6ae69e | 1668 | DEV_PW_NFC_CONNECTION_HANDOVER ? |
ba307f85 | 1669 | wpa_s->p2pdev->p2p_peer_oob_pubkey_hash : |
db6ae69e | 1670 | NULL, |
91a65018 | 1671 | NULL, 0, 0); |
db6ae69e JM |
1672 | #endif /* CONFIG_WPS_NFC */ |
1673 | } else { | |
3c5126a4 | 1674 | u16 dev_pw_id = DEV_PW_DEFAULT; |
4f88fc04 BG |
1675 | if (wpa_s->p2p_wps_method == WPS_P2PS) |
1676 | dev_pw_id = DEV_PW_P2PS_DEFAULT; | |
3c5126a4 JM |
1677 | if (wpa_s->p2p_wps_method == WPS_PIN_KEYPAD) |
1678 | dev_pw_id = DEV_PW_REGISTRAR_SPECIFIED; | |
b22128ef | 1679 | wpas_wps_start_pin(wpa_s, res->peer_interface_addr, |
3c5126a4 JM |
1680 | wpa_s->p2p_pin, 1, dev_pw_id); |
1681 | } | |
b22128ef JM |
1682 | } |
1683 | ||
1684 | ||
01a57fe4 JM |
1685 | static void wpas_p2p_add_psk_list(struct wpa_supplicant *wpa_s, |
1686 | struct wpa_ssid *ssid) | |
1687 | { | |
1688 | struct wpa_ssid *persistent; | |
1689 | struct psk_list_entry *psk; | |
1690 | struct hostapd_data *hapd; | |
1691 | ||
1692 | if (!wpa_s->ap_iface) | |
1693 | return; | |
1694 | ||
ba307f85 | 1695 | persistent = wpas_p2p_get_persistent(wpa_s->p2pdev, NULL, ssid->ssid, |
01a57fe4 JM |
1696 | ssid->ssid_len); |
1697 | if (persistent == NULL) | |
1698 | return; | |
1699 | ||
1700 | hapd = wpa_s->ap_iface->bss[0]; | |
1701 | ||
1702 | dl_list_for_each(psk, &persistent->psk_list, struct psk_list_entry, | |
1703 | list) { | |
1704 | struct hostapd_wpa_psk *hpsk; | |
1705 | ||
1706 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Add persistent group PSK entry for " | |
1707 | MACSTR " psk=%d", | |
1708 | MAC2STR(psk->addr), psk->p2p); | |
1709 | hpsk = os_zalloc(sizeof(*hpsk)); | |
1710 | if (hpsk == NULL) | |
1711 | break; | |
1712 | os_memcpy(hpsk->psk, psk->psk, PMK_LEN); | |
1713 | if (psk->p2p) | |
1714 | os_memcpy(hpsk->p2p_dev_addr, psk->addr, ETH_ALEN); | |
1715 | else | |
1716 | os_memcpy(hpsk->addr, psk->addr, ETH_ALEN); | |
1717 | hpsk->next = hapd->conf->ssid.wpa_psk; | |
1718 | hapd->conf->ssid.wpa_psk = hpsk; | |
1719 | } | |
1720 | } | |
1721 | ||
1722 | ||
20beb96f IP |
1723 | static void p2p_go_dump_common_freqs(struct wpa_supplicant *wpa_s) |
1724 | { | |
e8cf9fc3 JM |
1725 | char buf[20 + P2P_MAX_CHANNELS * 6]; |
1726 | char *pos, *end; | |
20beb96f | 1727 | unsigned int i; |
e8cf9fc3 JM |
1728 | int res; |
1729 | ||
1730 | pos = buf; | |
1731 | end = pos + sizeof(buf); | |
1732 | for (i = 0; i < wpa_s->p2p_group_common_freqs_num; i++) { | |
1733 | res = os_snprintf(pos, end - pos, " %d", | |
1734 | wpa_s->p2p_group_common_freqs[i]); | |
1735 | if (os_snprintf_error(end - pos, res)) | |
1736 | break; | |
1737 | pos += res; | |
1738 | } | |
1739 | *pos = '\0'; | |
20beb96f | 1740 | |
e8cf9fc3 | 1741 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Common group frequencies:%s", buf); |
20beb96f IP |
1742 | } |
1743 | ||
1744 | ||
1745 | static void p2p_go_save_group_common_freqs(struct wpa_supplicant *wpa_s, | |
1746 | struct p2p_go_neg_results *params) | |
1747 | { | |
1748 | unsigned int i, len = int_array_len(wpa_s->go_params->freq_list); | |
1749 | ||
1750 | wpa_s->p2p_group_common_freqs_num = 0; | |
1751 | os_free(wpa_s->p2p_group_common_freqs); | |
1752 | wpa_s->p2p_group_common_freqs = os_calloc(len, sizeof(int)); | |
1753 | if (!wpa_s->p2p_group_common_freqs) | |
1754 | return; | |
1755 | ||
1756 | for (i = 0; i < len; i++) { | |
1757 | if (!wpa_s->go_params->freq_list[i]) | |
1758 | break; | |
1759 | wpa_s->p2p_group_common_freqs[i] = | |
1760 | wpa_s->go_params->freq_list[i]; | |
1761 | } | |
1762 | wpa_s->p2p_group_common_freqs_num = i; | |
1763 | } | |
1764 | ||
1765 | ||
895d94de KV |
1766 | static void p2p_config_write(struct wpa_supplicant *wpa_s) |
1767 | { | |
1768 | #ifndef CONFIG_NO_CONFIG_WRITE | |
ba307f85 LD |
1769 | if (wpa_s->p2pdev->conf->update_config && |
1770 | wpa_config_write(wpa_s->p2pdev->confname, wpa_s->p2pdev->conf)) | |
895d94de KV |
1771 | wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration"); |
1772 | #endif /* CONFIG_NO_CONFIG_WRITE */ | |
1773 | } | |
1774 | ||
1775 | ||
b22128ef JM |
1776 | static void p2p_go_configured(void *ctx, void *data) |
1777 | { | |
1778 | struct wpa_supplicant *wpa_s = ctx; | |
1779 | struct p2p_go_neg_results *params = data; | |
1780 | struct wpa_ssid *ssid; | |
1781 | ||
dd895e99 JM |
1782 | wpa_s->ap_configured_cb = NULL; |
1783 | wpa_s->ap_configured_cb_ctx = NULL; | |
1784 | wpa_s->ap_configured_cb_data = NULL; | |
1785 | if (!wpa_s->go_params) { | |
1786 | wpa_printf(MSG_ERROR, | |
1787 | "P2P: p2p_go_configured() called with wpa_s->go_params == NULL"); | |
1788 | return; | |
1789 | } | |
1790 | ||
20beb96f IP |
1791 | p2p_go_save_group_common_freqs(wpa_s, params); |
1792 | p2p_go_dump_common_freqs(wpa_s); | |
1793 | ||
b22128ef JM |
1794 | ssid = wpa_s->current_ssid; |
1795 | if (ssid && ssid->mode == WPAS_MODE_P2P_GO) { | |
1796 | wpa_printf(MSG_DEBUG, "P2P: Group setup without provisioning"); | |
d1b024c9 JM |
1797 | if (wpa_s->global->p2p_group_formation == wpa_s) |
1798 | wpa_s->global->p2p_group_formation = NULL; | |
f8723e1e JM |
1799 | wpas_p2p_group_started(wpa_s, 1, ssid, ssid->frequency, |
1800 | params->passphrase[0] == '\0' ? | |
1801 | params->psk : NULL, | |
1802 | params->passphrase, | |
1803 | wpa_s->global->p2p_dev_addr, | |
1804 | params->persistent_group, ""); | |
61fc9048 | 1805 | wpa_s->group_formation_reported = 1; |
4b6baa2f | 1806 | |
ba307f85 LD |
1807 | if (wpa_s->p2pdev->p2ps_method_config_any) { |
1808 | if (is_zero_ether_addr(wpa_s->p2pdev->p2ps_join_addr)) { | |
b9da88d6 AO |
1809 | wpa_dbg(wpa_s, MSG_DEBUG, |
1810 | "P2PS: Setting default PIN for ANY"); | |
1811 | wpa_supplicant_ap_wps_pin(wpa_s, NULL, | |
1812 | "12345670", NULL, 0, | |
1813 | 0); | |
1814 | } else { | |
1815 | wpa_dbg(wpa_s, MSG_DEBUG, | |
1816 | "P2PS: Setting default PIN for " MACSTR, | |
ba307f85 | 1817 | MAC2STR(wpa_s->p2pdev->p2ps_join_addr)); |
b9da88d6 | 1818 | wpa_supplicant_ap_wps_pin( |
ba307f85 | 1819 | wpa_s, wpa_s->p2pdev->p2ps_join_addr, |
b9da88d6 AO |
1820 | "12345670", NULL, 0, 0); |
1821 | } | |
ba307f85 | 1822 | wpa_s->p2pdev->p2ps_method_config_any = 0; |
306aaf49 KV |
1823 | } |
1824 | ||
151ab808 | 1825 | os_get_reltime(&wpa_s->global->p2p_go_wait_client); |
01a57fe4 | 1826 | if (params->persistent_group) { |
4fe50bbc | 1827 | wpas_p2p_store_persistent_group( |
ba307f85 | 1828 | wpa_s->p2pdev, ssid, |
d7e70476 | 1829 | wpa_s->global->p2p_dev_addr); |
01a57fe4 JM |
1830 | wpas_p2p_add_psk_list(wpa_s, ssid); |
1831 | } | |
4fe50bbc NC |
1832 | |
1833 | wpas_notify_p2p_group_started(wpa_s, ssid, | |
18f16117 NC |
1834 | params->persistent_group, 0, |
1835 | NULL); | |
72044390 | 1836 | wpas_p2p_cross_connect_setup(wpa_s); |
3071e181 | 1837 | wpas_p2p_set_group_idle_timeout(wpa_s); |
bbc6c729 JM |
1838 | |
1839 | if (wpa_s->p2p_first_connection_timeout) { | |
1840 | wpa_dbg(wpa_s, MSG_DEBUG, | |
1841 | "P2P: Start group formation timeout of %d seconds until first data connection on GO", | |
1842 | wpa_s->p2p_first_connection_timeout); | |
1843 | wpa_s->p2p_go_group_formation_completed = 0; | |
1844 | wpa_s->global->p2p_group_formation = wpa_s; | |
1845 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, | |
ba307f85 | 1846 | wpa_s->p2pdev, NULL); |
bbc6c729 JM |
1847 | eloop_register_timeout( |
1848 | wpa_s->p2p_first_connection_timeout, 0, | |
1849 | wpas_p2p_group_formation_timeout, | |
ba307f85 | 1850 | wpa_s->p2pdev, NULL); |
bbc6c729 JM |
1851 | } |
1852 | ||
b22128ef JM |
1853 | return; |
1854 | } | |
1855 | ||
1856 | wpa_printf(MSG_DEBUG, "P2P: Setting up WPS for GO provisioning"); | |
1857 | if (wpa_supplicant_ap_mac_addr_filter(wpa_s, | |
1858 | params->peer_interface_addr)) { | |
1859 | wpa_printf(MSG_DEBUG, "P2P: Failed to setup MAC address " | |
1860 | "filtering"); | |
1861 | return; | |
1862 | } | |
db6ae69e | 1863 | if (params->wps_method == WPS_PBC) { |
d601247c | 1864 | wpa_supplicant_ap_wps_pbc(wpa_s, params->peer_interface_addr, |
c3daaf33 | 1865 | params->peer_device_addr); |
db6ae69e JM |
1866 | #ifdef CONFIG_WPS_NFC |
1867 | } else if (params->wps_method == WPS_NFC) { | |
ba307f85 | 1868 | if (wpa_s->p2pdev->p2p_oob_dev_pw_id != |
db6ae69e | 1869 | DEV_PW_NFC_CONNECTION_HANDOVER && |
ba307f85 | 1870 | !wpa_s->p2pdev->p2p_oob_dev_pw) { |
db6ae69e JM |
1871 | wpa_printf(MSG_DEBUG, "P2P: No NFC Dev Pw known"); |
1872 | return; | |
1873 | } | |
1874 | wpas_ap_wps_add_nfc_pw( | |
ba307f85 LD |
1875 | wpa_s, wpa_s->p2pdev->p2p_oob_dev_pw_id, |
1876 | wpa_s->p2pdev->p2p_oob_dev_pw, | |
1877 | wpa_s->p2pdev->p2p_peer_oob_pk_hash_known ? | |
1878 | wpa_s->p2pdev->p2p_peer_oob_pubkey_hash : NULL); | |
db6ae69e JM |
1879 | #endif /* CONFIG_WPS_NFC */ |
1880 | } else if (wpa_s->p2p_pin[0]) | |
b22128ef | 1881 | wpa_supplicant_ap_wps_pin(wpa_s, params->peer_interface_addr, |
c423708f | 1882 | wpa_s->p2p_pin, NULL, 0, 0); |
b22128ef JM |
1883 | os_free(wpa_s->go_params); |
1884 | wpa_s->go_params = NULL; | |
1885 | } | |
1886 | ||
1887 | ||
1888 | static void wpas_start_wps_go(struct wpa_supplicant *wpa_s, | |
1889 | struct p2p_go_neg_results *params, | |
1890 | int group_formation) | |
1891 | { | |
1892 | struct wpa_ssid *ssid; | |
1893 | ||
ac06fb12 JM |
1894 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Starting GO"); |
1895 | if (wpas_copy_go_neg_results(wpa_s, params) < 0) { | |
1896 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Could not copy GO Negotiation " | |
1897 | "results"); | |
b22128ef | 1898 | return; |
ac06fb12 | 1899 | } |
b22128ef JM |
1900 | |
1901 | ssid = wpa_config_add_network(wpa_s->conf); | |
ac06fb12 JM |
1902 | if (ssid == NULL) { |
1903 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Could not add network for GO"); | |
b22128ef | 1904 | return; |
ac06fb12 | 1905 | } |
b22128ef | 1906 | |
a9e02d59 | 1907 | wpa_s->show_group_started = 0; |
58b40fdb | 1908 | wpa_s->p2p_go_group_formation_completed = 0; |
61fc9048 | 1909 | wpa_s->group_formation_reported = 0; |
9f59fe8d | 1910 | os_memset(wpa_s->go_dev_addr, 0, ETH_ALEN); |
a9e02d59 | 1911 | |
b22128ef JM |
1912 | wpa_config_set_network_defaults(ssid); |
1913 | ssid->temporary = 1; | |
1914 | ssid->p2p_group = 1; | |
4424aa5d | 1915 | ssid->p2p_persistent_group = !!params->persistent_group; |
b22128ef JM |
1916 | ssid->mode = group_formation ? WPAS_MODE_P2P_GROUP_FORMATION : |
1917 | WPAS_MODE_P2P_GO; | |
1918 | ssid->frequency = params->freq; | |
7aeac985 | 1919 | ssid->ht40 = params->ht40; |
20ea1ca4 | 1920 | ssid->vht = params->vht; |
c27f4c90 AK |
1921 | ssid->max_oper_chwidth = params->max_oper_chwidth; |
1922 | ssid->vht_center_freq2 = params->vht_center_freq2; | |
5a3319ab | 1923 | ssid->he = params->he; |
b22128ef JM |
1924 | ssid->ssid = os_zalloc(params->ssid_len + 1); |
1925 | if (ssid->ssid) { | |
1926 | os_memcpy(ssid->ssid, params->ssid, params->ssid_len); | |
1927 | ssid->ssid_len = params->ssid_len; | |
1928 | } | |
1929 | ssid->auth_alg = WPA_AUTH_ALG_OPEN; | |
1930 | ssid->key_mgmt = WPA_KEY_MGMT_PSK; | |
1931 | ssid->proto = WPA_PROTO_RSN; | |
1932 | ssid->pairwise_cipher = WPA_CIPHER_CCMP; | |
d77419d2 AM |
1933 | ssid->group_cipher = WPA_CIPHER_CCMP; |
1934 | if (params->freq > 56160) { | |
1935 | /* | |
1936 | * Enable GCMP instead of CCMP as pairwise_cipher and | |
1937 | * group_cipher in 60 GHz. | |
1938 | */ | |
1939 | ssid->pairwise_cipher = WPA_CIPHER_GCMP; | |
1940 | ssid->group_cipher = WPA_CIPHER_GCMP; | |
b9074912 LD |
1941 | /* P2P GO in 60 GHz is always a PCP (PBSS) */ |
1942 | ssid->pbss = 1; | |
d77419d2 | 1943 | } |
bb4d4deb MH |
1944 | if (os_strlen(params->passphrase) > 0) { |
1945 | ssid->passphrase = os_strdup(params->passphrase); | |
1946 | if (ssid->passphrase == NULL) { | |
92c4465b JM |
1947 | wpa_msg_global(wpa_s, MSG_ERROR, |
1948 | "P2P: Failed to copy passphrase for GO"); | |
bb4d4deb MH |
1949 | wpa_config_remove_network(wpa_s->conf, ssid->id); |
1950 | return; | |
1951 | } | |
1952 | } else | |
1953 | ssid->passphrase = NULL; | |
30c371e8 MH |
1954 | ssid->psk_set = params->psk_set; |
1955 | if (ssid->psk_set) | |
1956 | os_memcpy(ssid->psk, params->psk, sizeof(ssid->psk)); | |
6350a148 | 1957 | else if (ssid->passphrase) |
30c371e8 | 1958 | wpa_config_update_psk(ssid); |
ba307f85 | 1959 | ssid->ap_max_inactivity = wpa_s->p2pdev->conf->p2p_go_max_inactivity; |
b22128ef JM |
1960 | |
1961 | wpa_s->ap_configured_cb = p2p_go_configured; | |
1962 | wpa_s->ap_configured_cb_ctx = wpa_s; | |
1963 | wpa_s->ap_configured_cb_data = wpa_s->go_params; | |
3e66f789 | 1964 | wpa_s->scan_req = NORMAL_SCAN_REQ; |
7dcdcfd6 | 1965 | wpa_s->connect_without_scan = ssid; |
b22128ef JM |
1966 | wpa_s->reassociate = 1; |
1967 | wpa_s->disconnected = 0; | |
ac06fb12 JM |
1968 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Request scan (that will be skipped) to " |
1969 | "start GO)"); | |
b22128ef JM |
1970 | wpa_supplicant_req_scan(wpa_s, 0, 0); |
1971 | } | |
1972 | ||
1973 | ||
1974 | static void wpas_p2p_clone_config(struct wpa_supplicant *dst, | |
1975 | const struct wpa_supplicant *src) | |
1976 | { | |
1977 | struct wpa_config *d; | |
1978 | const struct wpa_config *s; | |
1979 | ||
1980 | d = dst->conf; | |
1981 | s = src->conf; | |
1982 | ||
9b377be0 AO |
1983 | #define C(n) \ |
1984 | do { \ | |
1985 | if (s->n && !d->n) \ | |
1986 | d->n = os_strdup(s->n); \ | |
1987 | } while (0) | |
1988 | ||
b22128ef JM |
1989 | C(device_name); |
1990 | C(manufacturer); | |
1991 | C(model_name); | |
1992 | C(model_number); | |
1993 | C(serial_number); | |
b22128ef JM |
1994 | C(config_methods); |
1995 | #undef C | |
3071e181 | 1996 | |
2f646b6e JB |
1997 | os_memcpy(d->device_type, s->device_type, WPS_DEV_TYPE_LEN); |
1998 | os_memcpy(d->sec_device_type, s->sec_device_type, | |
1999 | sizeof(d->sec_device_type)); | |
2000 | d->num_sec_device_types = s->num_sec_device_types; | |
2001 | ||
3071e181 | 2002 | d->p2p_group_idle = s->p2p_group_idle; |
1a471ff0 | 2003 | d->p2p_go_freq_change_policy = s->p2p_go_freq_change_policy; |
b029bd33 | 2004 | d->p2p_intra_bss = s->p2p_intra_bss; |
acc247b2 | 2005 | d->persistent_reconnect = s->persistent_reconnect; |
f571b593 | 2006 | d->max_num_sta = s->max_num_sta; |
1298c145 | 2007 | d->pbc_in_m1 = s->pbc_in_m1; |
4342326f | 2008 | d->ignore_old_scan_res = s->ignore_old_scan_res; |
41b1a76a | 2009 | d->beacon_int = s->beacon_int; |
f62a3c2f | 2010 | d->dtim_period = s->dtim_period; |
0b8bcaa5 | 2011 | d->p2p_go_ctwindow = s->p2p_go_ctwindow; |
5046eb4e | 2012 | d->disassoc_low_ack = s->disassoc_low_ack; |
f22f274b | 2013 | d->disable_scan_offload = s->disable_scan_offload; |
c35e35ed | 2014 | d->passive_scan = s->passive_scan; |
86e32081 | 2015 | |
96a26ab7 | 2016 | if (s->wps_nfc_dh_privkey && s->wps_nfc_dh_pubkey && |
9b377be0 AO |
2017 | !d->wps_nfc_pw_from_config) { |
2018 | wpabuf_free(d->wps_nfc_dh_privkey); | |
2019 | wpabuf_free(d->wps_nfc_dh_pubkey); | |
96a26ab7 LD |
2020 | d->wps_nfc_dh_privkey = wpabuf_dup(s->wps_nfc_dh_privkey); |
2021 | d->wps_nfc_dh_pubkey = wpabuf_dup(s->wps_nfc_dh_pubkey); | |
2022 | } | |
9b377be0 | 2023 | d->p2p_cli_probe = s->p2p_cli_probe; |
63bc0ab0 SD |
2024 | d->go_interworking = s->go_interworking; |
2025 | d->go_access_network_type = s->go_access_network_type; | |
2026 | d->go_internet = s->go_internet; | |
2027 | d->go_venue_group = s->go_venue_group; | |
2028 | d->go_venue_type = s->go_venue_type; | |
96a26ab7 LD |
2029 | } |
2030 | ||
2031 | ||
2e5ba4b6 AS |
2032 | static void wpas_p2p_get_group_ifname(struct wpa_supplicant *wpa_s, |
2033 | char *ifname, size_t len) | |
2034 | { | |
2035 | char *ifname_ptr = wpa_s->ifname; | |
2036 | ||
2037 | if (os_strncmp(wpa_s->ifname, P2P_MGMT_DEVICE_PREFIX, | |
2038 | os_strlen(P2P_MGMT_DEVICE_PREFIX)) == 0) { | |
2039 | ifname_ptr = os_strrchr(wpa_s->ifname, '-') + 1; | |
2040 | } | |
2041 | ||
2042 | os_snprintf(ifname, len, "p2p-%s-%d", ifname_ptr, wpa_s->p2p_group_idx); | |
2043 | if (os_strlen(ifname) >= IFNAMSIZ && | |
2044 | os_strlen(wpa_s->ifname) < IFNAMSIZ) { | |
1d399771 JM |
2045 | int res; |
2046 | ||
2e5ba4b6 | 2047 | /* Try to avoid going over the IFNAMSIZ length limit */ |
1d399771 JM |
2048 | res = os_snprintf(ifname, len, "p2p-%d", wpa_s->p2p_group_idx); |
2049 | if (os_snprintf_error(len, res) && len) | |
2050 | ifname[len - 1] = '\0'; | |
2e5ba4b6 AS |
2051 | } |
2052 | } | |
2053 | ||
2054 | ||
b22128ef JM |
2055 | static int wpas_p2p_add_group_interface(struct wpa_supplicant *wpa_s, |
2056 | enum wpa_driver_if_type type) | |
2057 | { | |
2058 | char ifname[120], force_ifname[120]; | |
2059 | ||
2060 | if (wpa_s->pending_interface_name[0]) { | |
2061 | wpa_printf(MSG_DEBUG, "P2P: Pending virtual interface exists " | |
2062 | "- skip creation of a new one"); | |
2063 | if (is_zero_ether_addr(wpa_s->pending_interface_addr)) { | |
2064 | wpa_printf(MSG_DEBUG, "P2P: Pending virtual address " | |
2065 | "unknown?! ifname='%s'", | |
2066 | wpa_s->pending_interface_name); | |
2067 | return -1; | |
2068 | } | |
2069 | return 0; | |
2070 | } | |
2071 | ||
2e5ba4b6 | 2072 | wpas_p2p_get_group_ifname(wpa_s, ifname, sizeof(ifname)); |
b22128ef JM |
2073 | force_ifname[0] = '\0'; |
2074 | ||
2075 | wpa_printf(MSG_DEBUG, "P2P: Create a new interface %s for the group", | |
2076 | ifname); | |
2077 | wpa_s->p2p_group_idx++; | |
2078 | ||
2079 | wpa_s->pending_interface_type = type; | |
2080 | if (wpa_drv_if_add(wpa_s, type, ifname, NULL, NULL, force_ifname, | |
e17a2477 | 2081 | wpa_s->pending_interface_addr, NULL) < 0) { |
b22128ef JM |
2082 | wpa_printf(MSG_ERROR, "P2P: Failed to create new group " |
2083 | "interface"); | |
2084 | return -1; | |
2085 | } | |
2086 | ||
a95906f9 JC |
2087 | if (wpa_s->conf->p2p_interface_random_mac_addr) { |
2088 | random_mac_addr(wpa_s->pending_interface_addr); | |
2089 | wpa_printf(MSG_DEBUG, "P2P: Generate random MAC address " MACSTR | |
2090 | " for the group", | |
2091 | MAC2STR(wpa_s->pending_interface_addr)); | |
2092 | } | |
2093 | ||
b22128ef JM |
2094 | if (force_ifname[0]) { |
2095 | wpa_printf(MSG_DEBUG, "P2P: Driver forced interface name %s", | |
2096 | force_ifname); | |
2097 | os_strlcpy(wpa_s->pending_interface_name, force_ifname, | |
2098 | sizeof(wpa_s->pending_interface_name)); | |
2099 | } else | |
2100 | os_strlcpy(wpa_s->pending_interface_name, ifname, | |
2101 | sizeof(wpa_s->pending_interface_name)); | |
2102 | wpa_printf(MSG_DEBUG, "P2P: Created pending virtual interface %s addr " | |
2103 | MACSTR, wpa_s->pending_interface_name, | |
2104 | MAC2STR(wpa_s->pending_interface_addr)); | |
2105 | ||
2106 | return 0; | |
2107 | } | |
2108 | ||
2109 | ||
2110 | static void wpas_p2p_remove_pending_group_interface( | |
2111 | struct wpa_supplicant *wpa_s) | |
2112 | { | |
2113 | if (!wpa_s->pending_interface_name[0] || | |
2114 | is_zero_ether_addr(wpa_s->pending_interface_addr)) | |
2115 | return; /* No pending virtual interface */ | |
2116 | ||
2117 | wpa_printf(MSG_DEBUG, "P2P: Removing pending group interface %s", | |
2118 | wpa_s->pending_interface_name); | |
2119 | wpa_drv_if_remove(wpa_s, wpa_s->pending_interface_type, | |
2120 | wpa_s->pending_interface_name); | |
2121 | os_memset(wpa_s->pending_interface_addr, 0, ETH_ALEN); | |
2122 | wpa_s->pending_interface_name[0] = '\0'; | |
93eca615 | 2123 | wpa_s->global->pending_group_iface_for_p2ps = 0; |
b22128ef JM |
2124 | } |
2125 | ||
2126 | ||
2127 | static struct wpa_supplicant * | |
2128 | wpas_p2p_init_group_interface(struct wpa_supplicant *wpa_s, int go) | |
2129 | { | |
2130 | struct wpa_interface iface; | |
2131 | struct wpa_supplicant *group_wpa_s; | |
2132 | ||
2133 | if (!wpa_s->pending_interface_name[0]) { | |
2134 | wpa_printf(MSG_ERROR, "P2P: No pending group interface"); | |
d75e8806 JM |
2135 | if (!wpas_p2p_create_iface(wpa_s)) |
2136 | return NULL; | |
2137 | /* | |
2138 | * Something has forced us to remove the pending interface; try | |
2139 | * to create a new one and hope for the best that we will get | |
2140 | * the same local address. | |
2141 | */ | |
2142 | if (wpas_p2p_add_group_interface(wpa_s, go ? WPA_IF_P2P_GO : | |
2143 | WPA_IF_P2P_CLIENT) < 0) | |
2144 | return NULL; | |
b22128ef JM |
2145 | } |
2146 | ||
2147 | os_memset(&iface, 0, sizeof(iface)); | |
2148 | iface.ifname = wpa_s->pending_interface_name; | |
2149 | iface.driver = wpa_s->driver->name; | |
78f79fe5 JM |
2150 | if (wpa_s->conf->ctrl_interface == NULL && |
2151 | wpa_s->parent != wpa_s && | |
2152 | wpa_s->p2p_mgmt && | |
2153 | (wpa_s->drv_flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)) | |
2154 | iface.ctrl_interface = wpa_s->parent->conf->ctrl_interface; | |
2155 | else | |
2156 | iface.ctrl_interface = wpa_s->conf->ctrl_interface; | |
b22128ef | 2157 | iface.driver_param = wpa_s->conf->driver_param; |
1772d348 | 2158 | group_wpa_s = wpa_supplicant_add_iface(wpa_s->global, &iface, wpa_s); |
b22128ef JM |
2159 | if (group_wpa_s == NULL) { |
2160 | wpa_printf(MSG_ERROR, "P2P: Failed to create new " | |
2161 | "wpa_supplicant interface"); | |
2162 | return NULL; | |
2163 | } | |
2164 | wpa_s->pending_interface_name[0] = '\0'; | |
b22128ef JM |
2165 | group_wpa_s->p2p_group_interface = go ? P2P_GROUP_INTERFACE_GO : |
2166 | P2P_GROUP_INTERFACE_CLIENT; | |
2167 | wpa_s->global->p2p_group_formation = group_wpa_s; | |
93eca615 | 2168 | wpa_s->global->pending_group_iface_for_p2ps = 0; |
b22128ef JM |
2169 | |
2170 | wpas_p2p_clone_config(group_wpa_s, wpa_s); | |
2171 | ||
a95906f9 JC |
2172 | if (wpa_s->conf->p2p_interface_random_mac_addr) { |
2173 | if (wpa_drv_set_mac_addr(group_wpa_s, | |
2174 | wpa_s->pending_interface_addr) < 0) { | |
2175 | wpa_msg(group_wpa_s, MSG_INFO, | |
2176 | "Failed to set random MAC address"); | |
2177 | wpa_supplicant_remove_iface(wpa_s->global, group_wpa_s, | |
2178 | 0); | |
2179 | return NULL; | |
2180 | } | |
2181 | ||
2182 | if (wpa_supplicant_update_mac_addr(group_wpa_s) < 0) { | |
2183 | wpa_msg(group_wpa_s, MSG_INFO, | |
2184 | "Could not update MAC address information"); | |
2185 | wpa_supplicant_remove_iface(wpa_s->global, group_wpa_s, | |
2186 | 0); | |
2187 | return NULL; | |
2188 | } | |
2189 | ||
2190 | wpa_printf(MSG_DEBUG, "P2P: Using random MAC address " MACSTR | |
2191 | " for the group", | |
2192 | MAC2STR(wpa_s->pending_interface_addr)); | |
2193 | } | |
2194 | ||
b22128ef JM |
2195 | return group_wpa_s; |
2196 | } | |
2197 | ||
2198 | ||
2199 | static void wpas_p2p_group_formation_timeout(void *eloop_ctx, | |
2200 | void *timeout_ctx) | |
2201 | { | |
2202 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
2203 | wpa_printf(MSG_DEBUG, "P2P: Group Formation timed out"); | |
d95c5994 | 2204 | wpas_p2p_group_formation_failed(wpa_s, 0); |
1075b295 JM |
2205 | } |
2206 | ||
2207 | ||
d95c5994 JM |
2208 | static void wpas_p2p_group_formation_failed(struct wpa_supplicant *wpa_s, |
2209 | int already_deleted) | |
1075b295 JM |
2210 | { |
2211 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, | |
ba307f85 | 2212 | wpa_s->p2pdev, NULL); |
b22128ef JM |
2213 | if (wpa_s->global->p2p) |
2214 | p2p_group_formation_failed(wpa_s->global->p2p); | |
d95c5994 | 2215 | wpas_group_formation_completed(wpa_s, 0, already_deleted); |
b22128ef JM |
2216 | } |
2217 | ||
2218 | ||
95fb2db2 JM |
2219 | static void wpas_p2p_grpform_fail_after_wps(struct wpa_supplicant *wpa_s) |
2220 | { | |
2221 | wpa_printf(MSG_DEBUG, "P2P: Reject group formation due to WPS provisioning failure"); | |
2222 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, | |
ba307f85 | 2223 | wpa_s->p2pdev, NULL); |
95fb2db2 | 2224 | eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout, |
ba307f85 | 2225 | wpa_s->p2pdev, NULL); |
95fb2db2 JM |
2226 | wpa_s->global->p2p_fail_on_wps_complete = 0; |
2227 | } | |
2228 | ||
2229 | ||
b2b688d1 VKE |
2230 | void wpas_p2p_ap_setup_failed(struct wpa_supplicant *wpa_s) |
2231 | { | |
2232 | if (wpa_s->global->p2p_group_formation != wpa_s) | |
2233 | return; | |
2234 | /* Speed up group formation timeout since this cannot succeed */ | |
2235 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, | |
ba307f85 | 2236 | wpa_s->p2pdev, NULL); |
b2b688d1 | 2237 | eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout, |
ba307f85 | 2238 | wpa_s->p2pdev, NULL); |
b2b688d1 VKE |
2239 | } |
2240 | ||
2241 | ||
152cff6b | 2242 | static void wpas_go_neg_completed(void *ctx, struct p2p_go_neg_results *res) |
b22128ef JM |
2243 | { |
2244 | struct wpa_supplicant *wpa_s = ctx; | |
96a26ab7 | 2245 | struct wpa_supplicant *group_wpa_s; |
b22128ef | 2246 | |
8eada5ca | 2247 | if (wpa_s->off_channel_freq || wpa_s->roc_waiting_drv_freq) { |
b22128ef JM |
2248 | wpa_drv_cancel_remain_on_channel(wpa_s); |
2249 | wpa_s->off_channel_freq = 0; | |
07a30a66 | 2250 | wpa_s->roc_waiting_drv_freq = 0; |
b22128ef JM |
2251 | } |
2252 | ||
2253 | if (res->status) { | |
92c4465b JM |
2254 | wpa_msg_global(wpa_s, MSG_INFO, |
2255 | P2P_EVENT_GO_NEG_FAILURE "status=%d", | |
2256 | res->status); | |
e5a359cf | 2257 | wpas_notify_p2p_go_neg_completed(wpa_s, res); |
b22128ef JM |
2258 | wpas_p2p_remove_pending_group_interface(wpa_s); |
2259 | return; | |
2260 | } | |
2261 | ||
7c813acf AK |
2262 | if (!res->role_go) { |
2263 | /* Inform driver of the operating channel of GO. */ | |
2264 | wpa_drv_set_prob_oper_freq(wpa_s, res->freq); | |
2265 | } | |
2266 | ||
e2308e4b RM |
2267 | if (wpa_s->p2p_go_ht40) |
2268 | res->ht40 = 1; | |
20ea1ca4 EP |
2269 | if (wpa_s->p2p_go_vht) |
2270 | res->vht = 1; | |
c27f4c90 AK |
2271 | res->max_oper_chwidth = wpa_s->p2p_go_max_oper_chwidth; |
2272 | res->vht_center_freq2 = wpa_s->p2p_go_vht_center_freq2; | |
e2308e4b | 2273 | |
8d660e04 JM |
2274 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_GO_NEG_SUCCESS "role=%s " |
2275 | "freq=%d ht40=%d peer_dev=" MACSTR " peer_iface=" MACSTR | |
2276 | " wps_method=%s", | |
2277 | res->role_go ? "GO" : "client", res->freq, res->ht40, | |
2278 | MAC2STR(res->peer_device_addr), | |
2279 | MAC2STR(res->peer_interface_addr), | |
2280 | p2p_wps_method_text(res->wps_method)); | |
e5a359cf | 2281 | wpas_notify_p2p_go_neg_completed(wpa_s, res); |
b22128ef | 2282 | |
23c84252 JM |
2283 | if (res->role_go && wpa_s->p2p_persistent_id >= 0) { |
2284 | struct wpa_ssid *ssid; | |
2285 | ssid = wpa_config_get_network(wpa_s->conf, | |
2286 | wpa_s->p2p_persistent_id); | |
2287 | if (ssid && ssid->disabled == 2 && | |
2288 | ssid->mode == WPAS_MODE_P2P_GO && ssid->passphrase) { | |
2289 | size_t len = os_strlen(ssid->passphrase); | |
2290 | wpa_printf(MSG_DEBUG, "P2P: Override passphrase based " | |
2291 | "on requested persistent group"); | |
2292 | os_memcpy(res->passphrase, ssid->passphrase, len); | |
2293 | res->passphrase[len] = '\0'; | |
2294 | } | |
2295 | } | |
2296 | ||
b22128ef | 2297 | if (wpa_s->create_p2p_iface) { |
96a26ab7 | 2298 | group_wpa_s = |
b22128ef JM |
2299 | wpas_p2p_init_group_interface(wpa_s, res->role_go); |
2300 | if (group_wpa_s == NULL) { | |
2301 | wpas_p2p_remove_pending_group_interface(wpa_s); | |
5eae87a7 EA |
2302 | eloop_cancel_timeout(wpas_p2p_long_listen_timeout, |
2303 | wpa_s, NULL); | |
d95c5994 | 2304 | wpas_p2p_group_formation_failed(wpa_s, 1); |
b22128ef JM |
2305 | return; |
2306 | } | |
b22128ef JM |
2307 | os_memset(wpa_s->pending_interface_addr, 0, ETH_ALEN); |
2308 | wpa_s->pending_interface_name[0] = '\0'; | |
b22128ef | 2309 | } else { |
96a26ab7 LD |
2310 | group_wpa_s = wpa_s->parent; |
2311 | wpa_s->global->p2p_group_formation = group_wpa_s; | |
2312 | if (group_wpa_s != wpa_s) | |
9b377be0 | 2313 | wpas_p2p_clone_config(group_wpa_s, wpa_s); |
96a26ab7 | 2314 | } |
b22128ef | 2315 | |
96a26ab7 LD |
2316 | group_wpa_s->p2p_in_provisioning = 1; |
2317 | group_wpa_s->p2pdev = wpa_s; | |
2318 | if (group_wpa_s != wpa_s) { | |
2319 | os_memcpy(group_wpa_s->p2p_pin, wpa_s->p2p_pin, | |
2320 | sizeof(group_wpa_s->p2p_pin)); | |
2321 | group_wpa_s->p2p_wps_method = wpa_s->p2p_wps_method; | |
2322 | } | |
2323 | if (res->role_go) { | |
2324 | wpas_start_wps_go(group_wpa_s, res, 1); | |
2325 | } else { | |
2326 | os_get_reltime(&group_wpa_s->scan_min_time); | |
2327 | wpas_start_wps_enrollee(group_wpa_s, res); | |
b22128ef JM |
2328 | } |
2329 | ||
2330 | wpa_s->p2p_long_listen = 0; | |
2331 | eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL); | |
2332 | ||
2333 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL); | |
ae3e3421 JM |
2334 | eloop_register_timeout(15 + res->peer_config_timeout / 100, |
2335 | (res->peer_config_timeout % 100) * 10000, | |
2336 | wpas_p2p_group_formation_timeout, wpa_s, NULL); | |
b22128ef JM |
2337 | } |
2338 | ||
2339 | ||
aa2b1256 MH |
2340 | static void wpas_go_neg_req_rx(void *ctx, const u8 *src, u16 dev_passwd_id, |
2341 | u8 go_intent) | |
b22128ef JM |
2342 | { |
2343 | struct wpa_supplicant *wpa_s = ctx; | |
92c4465b | 2344 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_GO_NEG_REQUEST MACSTR |
aa2b1256 MH |
2345 | " dev_passwd_id=%u go_intent=%u", MAC2STR(src), |
2346 | dev_passwd_id, go_intent); | |
32d1bce0 | 2347 | |
aa2b1256 | 2348 | wpas_notify_p2p_go_neg_req(wpa_s, src, dev_passwd_id, go_intent); |
b22128ef JM |
2349 | } |
2350 | ||
2351 | ||
152cff6b JM |
2352 | static void wpas_dev_found(void *ctx, const u8 *addr, |
2353 | const struct p2p_peer_info *info, | |
2354 | int new_device) | |
b22128ef | 2355 | { |
5506d184 | 2356 | #ifndef CONFIG_NO_STDOUT_DEBUG |
b22128ef JM |
2357 | struct wpa_supplicant *wpa_s = ctx; |
2358 | char devtype[WPS_DEV_TYPE_BUFSIZE]; | |
b125c48f DS |
2359 | char *wfd_dev_info_hex = NULL; |
2360 | ||
2361 | #ifdef CONFIG_WIFI_DISPLAY | |
2362 | wfd_dev_info_hex = wifi_display_subelem_hex(info->wfd_subelems, | |
2363 | WFD_SUBELEM_DEVICE_INFO); | |
2364 | #endif /* CONFIG_WIFI_DISPLAY */ | |
c5db8e51 | 2365 | |
095b3c40 BG |
2366 | if (info->p2ps_instance) { |
2367 | char str[256]; | |
2368 | const u8 *buf = wpabuf_head(info->p2ps_instance); | |
2369 | size_t len = wpabuf_len(info->p2ps_instance); | |
2370 | ||
2371 | while (len) { | |
2372 | u32 id; | |
2373 | u16 methods; | |
2374 | u8 str_len; | |
2375 | ||
2376 | if (len < 4 + 2 + 1) | |
2377 | break; | |
2378 | id = WPA_GET_LE32(buf); | |
2379 | buf += sizeof(u32); | |
2380 | methods = WPA_GET_BE16(buf); | |
2381 | buf += sizeof(u16); | |
2382 | str_len = *buf++; | |
2383 | if (str_len > len - 4 - 2 - 1) | |
2384 | break; | |
2385 | os_memcpy(str, buf, str_len); | |
2386 | str[str_len] = '\0'; | |
2387 | buf += str_len; | |
2388 | len -= str_len + sizeof(u32) + sizeof(u16) + sizeof(u8); | |
2389 | ||
2390 | wpa_msg_global(wpa_s, MSG_INFO, | |
2391 | P2P_EVENT_DEVICE_FOUND MACSTR | |
2392 | " p2p_dev_addr=" MACSTR | |
2393 | " pri_dev_type=%s name='%s'" | |
2394 | " config_methods=0x%x" | |
2395 | " dev_capab=0x%x" | |
2396 | " group_capab=0x%x" | |
2397 | " adv_id=%x asp_svc=%s%s", | |
2398 | MAC2STR(addr), | |
2399 | MAC2STR(info->p2p_device_addr), | |
2400 | wps_dev_type_bin2str( | |
2401 | info->pri_dev_type, | |
2402 | devtype, sizeof(devtype)), | |
2403 | info->device_name, methods, | |
2404 | info->dev_capab, info->group_capab, | |
2405 | id, str, | |
2406 | info->vendor_elems ? | |
2407 | " vendor_elems=1" : ""); | |
2408 | } | |
2409 | goto done; | |
2410 | } | |
2411 | ||
92c4465b JM |
2412 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_DEVICE_FOUND MACSTR |
2413 | " p2p_dev_addr=" MACSTR | |
2414 | " pri_dev_type=%s name='%s' config_methods=0x%x " | |
34d45ea0 | 2415 | "dev_capab=0x%x group_capab=0x%x%s%s%s new=%d", |
92c4465b JM |
2416 | MAC2STR(addr), MAC2STR(info->p2p_device_addr), |
2417 | wps_dev_type_bin2str(info->pri_dev_type, devtype, | |
2418 | sizeof(devtype)), | |
b125c48f DS |
2419 | info->device_name, info->config_methods, |
2420 | info->dev_capab, info->group_capab, | |
2421 | wfd_dev_info_hex ? " wfd_dev_info=0x" : "", | |
71a0e395 | 2422 | wfd_dev_info_hex ? wfd_dev_info_hex : "", |
34d45ea0 JM |
2423 | info->vendor_elems ? " vendor_elems=1" : "", |
2424 | new_device); | |
d642d2d2 | 2425 | |
095b3c40 | 2426 | done: |
b125c48f | 2427 | os_free(wfd_dev_info_hex); |
1b56d398 | 2428 | #endif /* CONFIG_NO_STDOUT_DEBUG */ |
b125c48f | 2429 | |
d642d2d2 | 2430 | wpas_notify_p2p_device_found(ctx, info->p2p_device_addr, new_device); |
b22128ef JM |
2431 | } |
2432 | ||
2433 | ||
56eeb8f2 JB |
2434 | static void wpas_dev_lost(void *ctx, const u8 *dev_addr) |
2435 | { | |
2436 | struct wpa_supplicant *wpa_s = ctx; | |
2437 | ||
92c4465b JM |
2438 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_DEVICE_LOST |
2439 | "p2p_dev_addr=" MACSTR, MAC2STR(dev_addr)); | |
3074d8f1 | 2440 | |
56eeb8f2 JB |
2441 | wpas_notify_p2p_device_lost(wpa_s, dev_addr); |
2442 | } | |
2443 | ||
2444 | ||
710ae9ac JM |
2445 | static void wpas_find_stopped(void *ctx) |
2446 | { | |
2447 | struct wpa_supplicant *wpa_s = ctx; | |
a8057310 BR |
2448 | |
2449 | if (wpa_s->p2p_scan_work && wpas_abort_ongoing_scan(wpa_s) < 0) | |
2450 | wpa_printf(MSG_DEBUG, "P2P: Abort ongoing scan failed"); | |
2451 | ||
92c4465b | 2452 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_FIND_STOPPED); |
7b642dc8 | 2453 | wpas_notify_p2p_find_stopped(wpa_s); |
710ae9ac JM |
2454 | } |
2455 | ||
2456 | ||
e1d1c8e2 JM |
2457 | struct wpas_p2p_listen_work { |
2458 | unsigned int freq; | |
2459 | unsigned int duration; | |
2460 | struct wpabuf *probe_resp_ie; | |
2461 | }; | |
2462 | ||
2463 | ||
2464 | static void wpas_p2p_listen_work_free(struct wpas_p2p_listen_work *lwork) | |
b22128ef | 2465 | { |
e1d1c8e2 JM |
2466 | if (lwork == NULL) |
2467 | return; | |
2468 | wpabuf_free(lwork->probe_resp_ie); | |
2469 | os_free(lwork); | |
2470 | } | |
2471 | ||
2472 | ||
2473 | static void wpas_p2p_listen_work_done(struct wpa_supplicant *wpa_s) | |
2474 | { | |
2475 | struct wpas_p2p_listen_work *lwork; | |
2476 | ||
2477 | if (!wpa_s->p2p_listen_work) | |
2478 | return; | |
2479 | ||
2480 | lwork = wpa_s->p2p_listen_work->ctx; | |
2481 | wpas_p2p_listen_work_free(lwork); | |
2482 | radio_work_done(wpa_s->p2p_listen_work); | |
2483 | wpa_s->p2p_listen_work = NULL; | |
2484 | } | |
2485 | ||
2486 | ||
2487 | static void wpas_start_listen_cb(struct wpa_radio_work *work, int deinit) | |
2488 | { | |
2489 | struct wpa_supplicant *wpa_s = work->wpa_s; | |
2490 | struct wpas_p2p_listen_work *lwork = work->ctx; | |
1f94e4ee | 2491 | unsigned int duration; |
e1d1c8e2 JM |
2492 | |
2493 | if (deinit) { | |
b3253ebb AO |
2494 | if (work->started) { |
2495 | wpa_s->p2p_listen_work = NULL; | |
2496 | wpas_stop_listen(wpa_s); | |
2497 | } | |
e1d1c8e2 JM |
2498 | wpas_p2p_listen_work_free(lwork); |
2499 | return; | |
2500 | } | |
b22128ef | 2501 | |
e1d1c8e2 JM |
2502 | wpa_s->p2p_listen_work = work; |
2503 | ||
2504 | wpa_drv_set_ap_wps_ie(wpa_s, NULL, lwork->probe_resp_ie, NULL); | |
b22128ef JM |
2505 | |
2506 | if (wpa_drv_probe_req_report(wpa_s, 1) < 0) { | |
2507 | wpa_printf(MSG_DEBUG, "P2P: Failed to request the driver to " | |
2508 | "report received Probe Request frames"); | |
e1d1c8e2 JM |
2509 | wpas_p2p_listen_work_done(wpa_s); |
2510 | return; | |
b22128ef JM |
2511 | } |
2512 | ||
e1d1c8e2 JM |
2513 | wpa_s->pending_listen_freq = lwork->freq; |
2514 | wpa_s->pending_listen_duration = lwork->duration; | |
b22128ef | 2515 | |
1f94e4ee JM |
2516 | duration = lwork->duration; |
2517 | #ifdef CONFIG_TESTING_OPTIONS | |
2518 | if (wpa_s->extra_roc_dur) { | |
2519 | wpa_printf(MSG_DEBUG, "TESTING: Increase ROC duration %u -> %u", | |
2520 | duration, duration + wpa_s->extra_roc_dur); | |
2521 | duration += wpa_s->extra_roc_dur; | |
2522 | } | |
2523 | #endif /* CONFIG_TESTING_OPTIONS */ | |
2524 | ||
2525 | if (wpa_drv_remain_on_channel(wpa_s, lwork->freq, duration) < 0) { | |
b22128ef JM |
2526 | wpa_printf(MSG_DEBUG, "P2P: Failed to request the driver " |
2527 | "to remain on channel (%u MHz) for Listen " | |
e1d1c8e2 JM |
2528 | "state", lwork->freq); |
2529 | wpas_p2p_listen_work_done(wpa_s); | |
b22128ef | 2530 | wpa_s->pending_listen_freq = 0; |
e1d1c8e2 | 2531 | return; |
b22128ef | 2532 | } |
09d660b9 | 2533 | wpa_s->off_channel_freq = 0; |
e1d1c8e2 JM |
2534 | wpa_s->roc_waiting_drv_freq = lwork->freq; |
2535 | } | |
2536 | ||
2537 | ||
2538 | static int wpas_start_listen(void *ctx, unsigned int freq, | |
2539 | unsigned int duration, | |
2540 | const struct wpabuf *probe_resp_ie) | |
2541 | { | |
2542 | struct wpa_supplicant *wpa_s = ctx; | |
2543 | struct wpas_p2p_listen_work *lwork; | |
2544 | ||
2545 | if (wpa_s->p2p_listen_work) { | |
2546 | wpa_printf(MSG_DEBUG, "P2P: Reject start_listen since p2p_listen_work already exists"); | |
2547 | return -1; | |
2548 | } | |
2549 | ||
2550 | lwork = os_zalloc(sizeof(*lwork)); | |
2551 | if (lwork == NULL) | |
2552 | return -1; | |
2553 | lwork->freq = freq; | |
2554 | lwork->duration = duration; | |
2555 | if (probe_resp_ie) { | |
2556 | lwork->probe_resp_ie = wpabuf_dup(probe_resp_ie); | |
2557 | if (lwork->probe_resp_ie == NULL) { | |
2558 | wpas_p2p_listen_work_free(lwork); | |
2559 | return -1; | |
2560 | } | |
2561 | } | |
2562 | ||
2563 | if (radio_add_work(wpa_s, freq, "p2p-listen", 0, wpas_start_listen_cb, | |
2564 | lwork) < 0) { | |
2565 | wpas_p2p_listen_work_free(lwork); | |
2566 | return -1; | |
2567 | } | |
b22128ef JM |
2568 | |
2569 | return 0; | |
2570 | } | |
2571 | ||
2572 | ||
2573 | static void wpas_stop_listen(void *ctx) | |
2574 | { | |
2575 | struct wpa_supplicant *wpa_s = ctx; | |
6cb22d2f | 2576 | if (wpa_s->off_channel_freq || wpa_s->roc_waiting_drv_freq) { |
b22128ef JM |
2577 | wpa_drv_cancel_remain_on_channel(wpa_s); |
2578 | wpa_s->off_channel_freq = 0; | |
07a30a66 | 2579 | wpa_s->roc_waiting_drv_freq = 0; |
b22128ef | 2580 | } |
839b33ad | 2581 | wpa_drv_set_ap_wps_ie(wpa_s, NULL, NULL, NULL); |
07c1e987 MS |
2582 | |
2583 | /* | |
2584 | * Don't cancel Probe Request RX reporting for a connected P2P Client | |
2585 | * handling Probe Request frames. | |
2586 | */ | |
2587 | if (!wpa_s->p2p_cli_probe) | |
2588 | wpa_drv_probe_req_report(wpa_s, 0); | |
2589 | ||
e1d1c8e2 | 2590 | wpas_p2p_listen_work_done(wpa_s); |
b22128ef JM |
2591 | } |
2592 | ||
2593 | ||
0799b3f8 AO |
2594 | static int wpas_send_probe_resp(void *ctx, const struct wpabuf *buf, |
2595 | unsigned int freq) | |
b22128ef JM |
2596 | { |
2597 | struct wpa_supplicant *wpa_s = ctx; | |
0799b3f8 AO |
2598 | return wpa_drv_send_mlme(wpa_s, wpabuf_head(buf), wpabuf_len(buf), 1, |
2599 | freq); | |
b22128ef JM |
2600 | } |
2601 | ||
2602 | ||
b22128ef | 2603 | static void wpas_prov_disc_local_display(struct wpa_supplicant *wpa_s, |
bbeee9b0 JB |
2604 | const u8 *peer, const char *params, |
2605 | unsigned int generated_pin) | |
b22128ef | 2606 | { |
92c4465b JM |
2607 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_SHOW_PIN MACSTR |
2608 | " %08d%s", MAC2STR(peer), generated_pin, params); | |
b22128ef JM |
2609 | } |
2610 | ||
2611 | ||
2612 | static void wpas_prov_disc_local_keypad(struct wpa_supplicant *wpa_s, | |
2613 | const u8 *peer, const char *params) | |
2614 | { | |
92c4465b JM |
2615 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_ENTER_PIN MACSTR |
2616 | "%s", MAC2STR(peer), params); | |
b22128ef JM |
2617 | } |
2618 | ||
2619 | ||
152cff6b JM |
2620 | static void wpas_prov_disc_req(void *ctx, const u8 *peer, u16 config_methods, |
2621 | const u8 *dev_addr, const u8 *pri_dev_type, | |
2622 | const char *dev_name, u16 supp_config_methods, | |
2623 | u8 dev_capab, u8 group_capab, const u8 *group_id, | |
2624 | size_t group_id_len) | |
b22128ef JM |
2625 | { |
2626 | struct wpa_supplicant *wpa_s = ctx; | |
2627 | char devtype[WPS_DEV_TYPE_BUFSIZE]; | |
c3f42784 | 2628 | char params[300]; |
b22128ef | 2629 | u8 empty_dev_type[8]; |
bbeee9b0 | 2630 | unsigned int generated_pin = 0; |
c3f42784 | 2631 | struct wpa_supplicant *group = NULL; |
1d399771 | 2632 | int res; |
c3f42784 JM |
2633 | |
2634 | if (group_id) { | |
2635 | for (group = wpa_s->global->ifaces; group; group = group->next) | |
2636 | { | |
2637 | struct wpa_ssid *s = group->current_ssid; | |
2638 | if (s != NULL && | |
2639 | s->mode == WPAS_MODE_P2P_GO && | |
2640 | group_id_len - ETH_ALEN == s->ssid_len && | |
2641 | os_memcmp(group_id + ETH_ALEN, s->ssid, | |
2642 | s->ssid_len) == 0) | |
2643 | break; | |
2644 | } | |
2645 | } | |
b22128ef JM |
2646 | |
2647 | if (pri_dev_type == NULL) { | |
2648 | os_memset(empty_dev_type, 0, sizeof(empty_dev_type)); | |
2649 | pri_dev_type = empty_dev_type; | |
2650 | } | |
1d399771 JM |
2651 | res = os_snprintf(params, sizeof(params), " p2p_dev_addr=" MACSTR |
2652 | " pri_dev_type=%s name='%s' config_methods=0x%x " | |
2653 | "dev_capab=0x%x group_capab=0x%x%s%s", | |
2654 | MAC2STR(dev_addr), | |
2655 | wps_dev_type_bin2str(pri_dev_type, devtype, | |
2656 | sizeof(devtype)), | |
2657 | dev_name, supp_config_methods, dev_capab, group_capab, | |
2658 | group ? " group=" : "", | |
2659 | group ? group->ifname : ""); | |
2660 | if (os_snprintf_error(sizeof(params), res)) | |
2661 | wpa_printf(MSG_DEBUG, "P2P: PD Request event truncated"); | |
b22128ef JM |
2662 | params[sizeof(params) - 1] = '\0'; |
2663 | ||
bbeee9b0 | 2664 | if (config_methods & WPS_CONFIG_DISPLAY) { |
98a516ea NL |
2665 | if (wps_generate_pin(&generated_pin) < 0) { |
2666 | wpa_printf(MSG_DEBUG, "P2P: Could not generate PIN"); | |
2667 | wpas_notify_p2p_provision_discovery( | |
2668 | wpa_s, peer, 0 /* response */, | |
2669 | P2P_PROV_DISC_INFO_UNAVAILABLE, 0, 0); | |
2670 | return; | |
2671 | } | |
bbeee9b0 JB |
2672 | wpas_prov_disc_local_display(wpa_s, peer, params, |
2673 | generated_pin); | |
2674 | } else if (config_methods & WPS_CONFIG_KEYPAD) | |
b22128ef JM |
2675 | wpas_prov_disc_local_keypad(wpa_s, peer, params); |
2676 | else if (config_methods & WPS_CONFIG_PUSHBUTTON) | |
92c4465b JM |
2677 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_PBC_REQ |
2678 | MACSTR "%s", MAC2STR(peer), params); | |
dd8a7e05 JB |
2679 | |
2680 | wpas_notify_p2p_provision_discovery(wpa_s, peer, 1 /* request */, | |
2681 | P2P_PROV_DISC_SUCCESS, | |
2682 | config_methods, generated_pin); | |
b22128ef JM |
2683 | } |
2684 | ||
2685 | ||
152cff6b | 2686 | static void wpas_prov_disc_resp(void *ctx, const u8 *peer, u16 config_methods) |
b22128ef JM |
2687 | { |
2688 | struct wpa_supplicant *wpa_s = ctx; | |
bbeee9b0 | 2689 | unsigned int generated_pin = 0; |
0918c4bf | 2690 | char params[20]; |
bbeee9b0 | 2691 | |
c1931635 JM |
2692 | if (wpa_s->pending_pd_before_join && |
2693 | (os_memcmp(peer, wpa_s->pending_join_dev_addr, ETH_ALEN) == 0 || | |
2694 | os_memcmp(peer, wpa_s->pending_join_iface_addr, ETH_ALEN) == 0)) { | |
2695 | wpa_s->pending_pd_before_join = 0; | |
2696 | wpa_printf(MSG_DEBUG, "P2P: Starting pending " | |
2697 | "join-existing-group operation"); | |
23318bea | 2698 | wpas_p2p_join_start(wpa_s, 0, NULL, 0); |
c1931635 JM |
2699 | return; |
2700 | } | |
2701 | ||
0918c4bf | 2702 | if (wpa_s->pending_pd_use == AUTO_PD_JOIN || |
1d399771 JM |
2703 | wpa_s->pending_pd_use == AUTO_PD_GO_NEG) { |
2704 | int res; | |
2705 | ||
2706 | res = os_snprintf(params, sizeof(params), " peer_go=%d", | |
2707 | wpa_s->pending_pd_use == AUTO_PD_JOIN); | |
2708 | if (os_snprintf_error(sizeof(params), res)) | |
2709 | params[sizeof(params) - 1] = '\0'; | |
2710 | } else | |
0918c4bf JM |
2711 | params[0] = '\0'; |
2712 | ||
b22128ef | 2713 | if (config_methods & WPS_CONFIG_DISPLAY) |
0918c4bf | 2714 | wpas_prov_disc_local_keypad(wpa_s, peer, params); |
bbeee9b0 | 2715 | else if (config_methods & WPS_CONFIG_KEYPAD) { |
98a516ea NL |
2716 | if (wps_generate_pin(&generated_pin) < 0) { |
2717 | wpa_printf(MSG_DEBUG, "P2P: Could not generate PIN"); | |
2718 | wpas_notify_p2p_provision_discovery( | |
2719 | wpa_s, peer, 0 /* response */, | |
2720 | P2P_PROV_DISC_INFO_UNAVAILABLE, 0, 0); | |
2721 | return; | |
2722 | } | |
0918c4bf JM |
2723 | wpas_prov_disc_local_display(wpa_s, peer, params, |
2724 | generated_pin); | |
bbeee9b0 | 2725 | } else if (config_methods & WPS_CONFIG_PUSHBUTTON) |
92c4465b JM |
2726 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_PBC_RESP |
2727 | MACSTR "%s", MAC2STR(peer), params); | |
a482883f | 2728 | |
dd8a7e05 JB |
2729 | wpas_notify_p2p_provision_discovery(wpa_s, peer, 0 /* response */, |
2730 | P2P_PROV_DISC_SUCCESS, | |
2731 | config_methods, generated_pin); | |
b22128ef JM |
2732 | } |
2733 | ||
2734 | ||
19df9b07 | 2735 | static void wpas_prov_disc_fail(void *ctx, const u8 *peer, |
ab8ee776 KV |
2736 | enum p2p_prov_disc_status status, |
2737 | u32 adv_id, const u8 *adv_mac, | |
2738 | const char *deferred_session_resp) | |
dd8a7e05 JB |
2739 | { |
2740 | struct wpa_supplicant *wpa_s = ctx; | |
2741 | ||
aa9bb764 JM |
2742 | if (wpa_s->p2p_fallback_to_go_neg) { |
2743 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: PD for p2p_connect-auto " | |
2744 | "failed - fall back to GO Negotiation"); | |
ba307f85 | 2745 | wpa_msg_global(wpa_s->p2pdev, MSG_INFO, |
6b005121 JM |
2746 | P2P_EVENT_FALLBACK_TO_GO_NEG |
2747 | "reason=PD-failed"); | |
aa9bb764 JM |
2748 | wpas_p2p_fallback_to_go_neg(wpa_s, 0); |
2749 | return; | |
2750 | } | |
2751 | ||
175171ac JM |
2752 | if (status == P2P_PROV_DISC_TIMEOUT_JOIN) { |
2753 | wpa_s->pending_pd_before_join = 0; | |
2754 | wpa_printf(MSG_DEBUG, "P2P: Starting pending " | |
2755 | "join-existing-group operation (no ACK for PD " | |
2756 | "Req attempts)"); | |
23318bea | 2757 | wpas_p2p_join_start(wpa_s, 0, NULL, 0); |
175171ac JM |
2758 | return; |
2759 | } | |
2760 | ||
ab8ee776 KV |
2761 | if (adv_id && adv_mac && deferred_session_resp) { |
2762 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_FAILURE | |
2763 | " p2p_dev_addr=" MACSTR " status=%d adv_id=%x" | |
2764 | " deferred_session_resp='%s'", | |
2765 | MAC2STR(peer), status, adv_id, | |
2766 | deferred_session_resp); | |
2767 | } else if (adv_id && adv_mac) { | |
2768 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_FAILURE | |
2769 | " p2p_dev_addr=" MACSTR " status=%d adv_id=%x", | |
2770 | MAC2STR(peer), status, adv_id); | |
2771 | } else { | |
2772 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_FAILURE | |
2773 | " p2p_dev_addr=" MACSTR " status=%d", | |
2774 | MAC2STR(peer), status); | |
2775 | } | |
f65a239b | 2776 | |
dd8a7e05 JB |
2777 | wpas_notify_p2p_provision_discovery(wpa_s, peer, 0 /* response */, |
2778 | status, 0, 0); | |
2779 | } | |
2780 | ||
2781 | ||
e280110d IP |
2782 | static int freq_included(struct wpa_supplicant *wpa_s, |
2783 | const struct p2p_channels *channels, | |
2784 | unsigned int freq) | |
72728c6f | 2785 | { |
e280110d IP |
2786 | if ((channels == NULL || p2p_channels_includes_freq(channels, freq)) && |
2787 | wpas_p2p_go_is_peer_freq(wpa_s, freq)) | |
2788 | return 1; | |
2789 | return 0; | |
72728c6f SL |
2790 | } |
2791 | ||
2792 | ||
5e1f4805 IP |
2793 | static void wpas_p2p_go_update_common_freqs(struct wpa_supplicant *wpa_s) |
2794 | { | |
2795 | unsigned int num = P2P_MAX_CHANNELS; | |
2796 | int *common_freqs; | |
2797 | int ret; | |
2798 | ||
2799 | p2p_go_dump_common_freqs(wpa_s); | |
2800 | common_freqs = os_calloc(num, sizeof(int)); | |
2801 | if (!common_freqs) | |
2802 | return; | |
2803 | ||
2804 | ret = p2p_group_get_common_freqs(wpa_s->p2p_group, common_freqs, &num); | |
2805 | if (ret < 0) { | |
2806 | wpa_dbg(wpa_s, MSG_DEBUG, | |
2807 | "P2P: Failed to get group common freqs"); | |
2808 | os_free(common_freqs); | |
2809 | return; | |
2810 | } | |
2811 | ||
2812 | os_free(wpa_s->p2p_group_common_freqs); | |
2813 | wpa_s->p2p_group_common_freqs = common_freqs; | |
2814 | wpa_s->p2p_group_common_freqs_num = num; | |
2815 | p2p_go_dump_common_freqs(wpa_s); | |
2816 | } | |
2817 | ||
2818 | ||
1a471ff0 IP |
2819 | /* |
2820 | * Check if the given frequency is one of the possible operating frequencies | |
2821 | * set after the completion of the GO Negotiation. | |
2822 | */ | |
2823 | static int wpas_p2p_go_is_peer_freq(struct wpa_supplicant *wpa_s, int freq) | |
2824 | { | |
2825 | unsigned int i; | |
2826 | ||
2827 | p2p_go_dump_common_freqs(wpa_s); | |
2828 | ||
2829 | /* assume no restrictions */ | |
2830 | if (!wpa_s->p2p_group_common_freqs_num) | |
2831 | return 1; | |
2832 | ||
2833 | for (i = 0; i < wpa_s->p2p_group_common_freqs_num; i++) { | |
2834 | if (wpa_s->p2p_group_common_freqs[i] == freq) | |
2835 | return 1; | |
2836 | } | |
2837 | return 0; | |
2838 | } | |
2839 | ||
2840 | ||
98b05081 AO |
2841 | static int wpas_sta_check_ecsa(struct hostapd_data *hapd, |
2842 | struct sta_info *sta, void *ctx) | |
2843 | { | |
2844 | int *ecsa_support = ctx; | |
2845 | ||
2846 | *ecsa_support &= sta->ecsa_supported; | |
2847 | ||
2848 | return 0; | |
2849 | } | |
2850 | ||
2851 | ||
2852 | /* Check if all the peers support eCSA */ | |
2853 | static int wpas_p2p_go_clients_support_ecsa(struct wpa_supplicant *wpa_s) | |
2854 | { | |
2855 | int ecsa_support = 1; | |
2856 | ||
2857 | ap_for_each_sta(wpa_s->ap_iface->bss[0], wpas_sta_check_ecsa, | |
2858 | &ecsa_support); | |
2859 | ||
2860 | return ecsa_support; | |
2861 | } | |
2862 | ||
2863 | ||
a0c90bb0 IP |
2864 | /** |
2865 | * Pick the best frequency to use from all the currently used frequencies. | |
2866 | */ | |
2867 | static int wpas_p2p_pick_best_used_freq(struct wpa_supplicant *wpa_s, | |
2868 | struct wpa_used_freq_data *freqs, | |
2869 | unsigned int num) | |
2870 | { | |
2871 | unsigned int i, c; | |
2872 | ||
2873 | /* find a candidate freq that is supported by P2P */ | |
2874 | for (c = 0; c < num; c++) | |
2875 | if (p2p_supported_freq(wpa_s->global->p2p, freqs[c].freq)) | |
2876 | break; | |
2877 | ||
2878 | if (c == num) | |
2879 | return 0; | |
2880 | ||
2881 | /* once we have a candidate, try to find a 'better' one */ | |
2882 | for (i = c + 1; i < num; i++) { | |
2883 | if (!p2p_supported_freq(wpa_s->global->p2p, freqs[i].freq)) | |
2884 | continue; | |
2885 | ||
2886 | /* | |
2887 | * 1. Infrastructure station interfaces have higher preference. | |
2888 | * 2. P2P Clients have higher preference. | |
2889 | * 3. All others. | |
2890 | */ | |
2891 | if (freqs[i].flags & WPA_FREQ_USED_BY_INFRA_STATION) { | |
2892 | c = i; | |
2893 | break; | |
2894 | } | |
2895 | ||
2896 | if ((freqs[i].flags & WPA_FREQ_USED_BY_P2P_CLIENT)) | |
2897 | c = i; | |
2898 | } | |
2899 | return freqs[c].freq; | |
2900 | } | |
2901 | ||
2902 | ||
b22128ef JM |
2903 | static u8 wpas_invitation_process(void *ctx, const u8 *sa, const u8 *bssid, |
2904 | const u8 *go_dev_addr, const u8 *ssid, | |
2905 | size_t ssid_len, int *go, u8 *group_bssid, | |
72728c6f | 2906 | int *force_freq, int persistent_group, |
8e9f53c3 JM |
2907 | const struct p2p_channels *channels, |
2908 | int dev_pw_id) | |
b22128ef JM |
2909 | { |
2910 | struct wpa_supplicant *wpa_s = ctx; | |
2911 | struct wpa_ssid *s; | |
a0c90bb0 | 2912 | struct wpa_used_freq_data *freqs; |
ab72eb52 | 2913 | struct wpa_supplicant *grp; |
a0c90bb0 | 2914 | int best_freq; |
b22128ef JM |
2915 | |
2916 | if (!persistent_group) { | |
2917 | wpa_printf(MSG_DEBUG, "P2P: Invitation from " MACSTR | |
c48414af JM |
2918 | " to join an active group (SSID: %s)", |
2919 | MAC2STR(sa), wpa_ssid_txt(ssid, ssid_len)); | |
108def93 | 2920 | if (!is_zero_ether_addr(wpa_s->p2p_auth_invite) && |
131cb37c JM |
2921 | (os_memcmp(go_dev_addr, wpa_s->p2p_auth_invite, ETH_ALEN) |
2922 | == 0 || | |
2923 | os_memcmp(sa, wpa_s->p2p_auth_invite, ETH_ALEN) == 0)) { | |
108def93 JM |
2924 | wpa_printf(MSG_DEBUG, "P2P: Accept previously " |
2925 | "authorized invitation"); | |
2926 | goto accept_inv; | |
2927 | } | |
8e9f53c3 JM |
2928 | |
2929 | #ifdef CONFIG_WPS_NFC | |
57ae1f5b DS |
2930 | if (dev_pw_id >= 0 && wpa_s->p2p_nfc_tag_enabled && |
2931 | dev_pw_id == wpa_s->p2p_oob_dev_pw_id) { | |
8e9f53c3 | 2932 | wpa_printf(MSG_DEBUG, "P2P: Accept invitation based on local enabled NFC Tag"); |
57ae1f5b DS |
2933 | wpa_s->p2p_wps_method = WPS_NFC; |
2934 | wpa_s->pending_join_wps_method = WPS_NFC; | |
2935 | os_memcpy(wpa_s->pending_join_dev_addr, | |
8e9f53c3 | 2936 | go_dev_addr, ETH_ALEN); |
57ae1f5b | 2937 | os_memcpy(wpa_s->pending_join_iface_addr, |
8e9f53c3 JM |
2938 | bssid, ETH_ALEN); |
2939 | goto accept_inv; | |
2940 | } | |
2941 | #endif /* CONFIG_WPS_NFC */ | |
2942 | ||
b22128ef JM |
2943 | /* |
2944 | * Do not accept the invitation automatically; notify user and | |
2945 | * request approval. | |
2946 | */ | |
2947 | return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE; | |
2948 | } | |
2949 | ||
ab72eb52 JM |
2950 | grp = wpas_get_p2p_group(wpa_s, ssid, ssid_len, go); |
2951 | if (grp) { | |
2952 | wpa_printf(MSG_DEBUG, "P2P: Accept invitation to already " | |
2953 | "running persistent group"); | |
2954 | if (*go) | |
2955 | os_memcpy(group_bssid, grp->own_addr, ETH_ALEN); | |
2956 | goto accept_inv; | |
2957 | } | |
2958 | ||
77e4e853 JM |
2959 | if (!is_zero_ether_addr(wpa_s->p2p_auth_invite) && |
2960 | os_memcmp(sa, wpa_s->p2p_auth_invite, ETH_ALEN) == 0) { | |
2961 | wpa_printf(MSG_DEBUG, "P2P: Accept previously initiated " | |
2962 | "invitation to re-invoke a persistent group"); | |
829a1b32 | 2963 | os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN); |
77e4e853 | 2964 | } else if (!wpa_s->conf->persistent_reconnect) |
b22128ef JM |
2965 | return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE; |
2966 | ||
2967 | for (s = wpa_s->conf->ssid; s; s = s->next) { | |
2968 | if (s->disabled == 2 && | |
2969 | os_memcmp(s->bssid, go_dev_addr, ETH_ALEN) == 0 && | |
2970 | s->ssid_len == ssid_len && | |
2971 | os_memcmp(ssid, s->ssid, ssid_len) == 0) | |
2972 | break; | |
2973 | } | |
2974 | ||
2975 | if (!s) { | |
2976 | wpa_printf(MSG_DEBUG, "P2P: Invitation from " MACSTR | |
2977 | " requested reinvocation of an unknown group", | |
2978 | MAC2STR(sa)); | |
2979 | return P2P_SC_FAIL_UNKNOWN_GROUP; | |
2980 | } | |
2981 | ||
2982 | if (s->mode == WPAS_MODE_P2P_GO && !wpas_p2p_create_iface(wpa_s)) { | |
2983 | *go = 1; | |
2984 | if (wpa_s->wpa_state >= WPA_AUTHENTICATING) { | |
2985 | wpa_printf(MSG_DEBUG, "P2P: The only available " | |
2986 | "interface is already in use - reject " | |
2987 | "invitation"); | |
2988 | return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE; | |
2989 | } | |
96a26ab7 LD |
2990 | if (wpa_s->p2p_mgmt) |
2991 | os_memcpy(group_bssid, wpa_s->parent->own_addr, | |
2992 | ETH_ALEN); | |
2993 | else | |
2994 | os_memcpy(group_bssid, wpa_s->own_addr, ETH_ALEN); | |
b22128ef JM |
2995 | } else if (s->mode == WPAS_MODE_P2P_GO) { |
2996 | *go = 1; | |
2997 | if (wpas_p2p_add_group_interface(wpa_s, WPA_IF_P2P_GO) < 0) | |
2998 | { | |
2999 | wpa_printf(MSG_ERROR, "P2P: Failed to allocate a new " | |
3000 | "interface address for the group"); | |
3001 | return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE; | |
3002 | } | |
3003 | os_memcpy(group_bssid, wpa_s->pending_interface_addr, | |
3004 | ETH_ALEN); | |
3005 | } | |
3006 | ||
108def93 | 3007 | accept_inv: |
6cb27aa8 JM |
3008 | wpas_p2p_set_own_freq_preference(wpa_s, 0); |
3009 | ||
a0c90bb0 IP |
3010 | best_freq = 0; |
3011 | freqs = os_calloc(wpa_s->num_multichan_concurrent, | |
3012 | sizeof(struct wpa_used_freq_data)); | |
3013 | if (freqs) { | |
3014 | int num_channels = wpa_s->num_multichan_concurrent; | |
3015 | int num = wpas_p2p_valid_oper_freqs(wpa_s, freqs, num_channels); | |
3016 | best_freq = wpas_p2p_pick_best_used_freq(wpa_s, freqs, num); | |
3017 | os_free(freqs); | |
3018 | } | |
3019 | ||
0d08efa4 | 3020 | /* Get one of the frequencies currently in use */ |
a0c90bb0 | 3021 | if (best_freq > 0) { |
21e491f2 | 3022 | wpa_printf(MSG_DEBUG, "P2P: Trying to prefer a channel already used by one of the interfaces"); |
a0c90bb0 | 3023 | wpas_p2p_set_own_freq_preference(wpa_s, best_freq); |
21e491f2 JM |
3024 | |
3025 | if (wpa_s->num_multichan_concurrent < 2 || | |
3026 | wpas_p2p_num_unused_channels(wpa_s) < 1) { | |
3027 | wpa_printf(MSG_DEBUG, "P2P: No extra channels available - trying to force channel to match a channel already used by one of the interfaces"); | |
a0c90bb0 | 3028 | *force_freq = best_freq; |
21e491f2 | 3029 | } |
b22128ef JM |
3030 | } |
3031 | ||
0d08efa4 IP |
3032 | if (*force_freq > 0 && wpa_s->num_multichan_concurrent > 1 && |
3033 | wpas_p2p_num_unused_channels(wpa_s) > 0) { | |
72728c6f SL |
3034 | if (*go == 0) { |
3035 | /* We are the client */ | |
3036 | wpa_printf(MSG_DEBUG, "P2P: Peer was found to be " | |
3037 | "running a GO but we are capable of MCC, " | |
3038 | "figure out the best channel to use"); | |
3039 | *force_freq = 0; | |
e280110d | 3040 | } else if (!freq_included(wpa_s, channels, *force_freq)) { |
72728c6f SL |
3041 | /* We are the GO, and *force_freq is not in the |
3042 | * intersection */ | |
3043 | wpa_printf(MSG_DEBUG, "P2P: Forced GO freq %d MHz not " | |
3044 | "in intersection but we are capable of MCC, " | |
3045 | "figure out the best channel to use", | |
3046 | *force_freq); | |
3047 | *force_freq = 0; | |
3048 | } | |
3049 | } | |
3050 | ||
b22128ef JM |
3051 | return P2P_SC_SUCCESS; |
3052 | } | |
3053 | ||
3054 | ||
3055 | static void wpas_invitation_received(void *ctx, const u8 *sa, const u8 *bssid, | |
3056 | const u8 *ssid, size_t ssid_len, | |
3057 | const u8 *go_dev_addr, u8 status, | |
3058 | int op_freq) | |
3059 | { | |
3060 | struct wpa_supplicant *wpa_s = ctx; | |
3061 | struct wpa_ssid *s; | |
3062 | ||
3063 | for (s = wpa_s->conf->ssid; s; s = s->next) { | |
3064 | if (s->disabled == 2 && | |
3065 | s->ssid_len == ssid_len && | |
3066 | os_memcmp(ssid, s->ssid, ssid_len) == 0) | |
3067 | break; | |
3068 | } | |
3069 | ||
3070 | if (status == P2P_SC_SUCCESS) { | |
3071 | wpa_printf(MSG_DEBUG, "P2P: Invitation from peer " MACSTR | |
c48414af JM |
3072 | " was accepted; op_freq=%d MHz, SSID=%s", |
3073 | MAC2STR(sa), op_freq, wpa_ssid_txt(ssid, ssid_len)); | |
b22128ef | 3074 | if (s) { |
2cd07584 | 3075 | int go = s->mode == WPAS_MODE_P2P_GO; |
0ee89250 LD |
3076 | if (go) { |
3077 | wpa_msg_global(wpa_s, MSG_INFO, | |
3078 | P2P_EVENT_INVITATION_ACCEPTED | |
3079 | "sa=" MACSTR | |
3080 | " persistent=%d freq=%d", | |
3081 | MAC2STR(sa), s->id, op_freq); | |
3082 | } else { | |
3083 | wpa_msg_global(wpa_s, MSG_INFO, | |
3084 | P2P_EVENT_INVITATION_ACCEPTED | |
3085 | "sa=" MACSTR | |
3086 | " persistent=%d", | |
3087 | MAC2STR(sa), s->id); | |
3088 | } | |
b22128ef | 3089 | wpas_p2p_group_add_persistent( |
5a3319ab | 3090 | wpa_s, s, go, 0, op_freq, 0, 0, 0, 0, 0, NULL, |
dfaf11d6 JM |
3091 | go ? P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE : 0, |
3092 | 1); | |
2049af2b | 3093 | } else if (bssid) { |
67527166 | 3094 | wpa_s->user_initiated_pd = 0; |
0ee89250 LD |
3095 | wpa_msg_global(wpa_s, MSG_INFO, |
3096 | P2P_EVENT_INVITATION_ACCEPTED | |
3097 | "sa=" MACSTR " go_dev_addr=" MACSTR | |
3098 | " bssid=" MACSTR " unknown-network", | |
3099 | MAC2STR(sa), MAC2STR(go_dev_addr), | |
3100 | MAC2STR(bssid)); | |
108def93 | 3101 | wpas_p2p_join(wpa_s, bssid, go_dev_addr, |
23318bea | 3102 | wpa_s->p2p_wps_method, 0, op_freq, |
c48414af | 3103 | ssid, ssid_len); |
b22128ef JM |
3104 | } |
3105 | return; | |
3106 | } | |
3107 | ||
3108 | if (status != P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE) { | |
3109 | wpa_printf(MSG_DEBUG, "P2P: Invitation from peer " MACSTR | |
3110 | " was rejected (status %u)", MAC2STR(sa), status); | |
3111 | return; | |
3112 | } | |
3113 | ||
3114 | if (!s) { | |
3115 | if (bssid) { | |
92c4465b JM |
3116 | wpa_msg_global(wpa_s, MSG_INFO, |
3117 | P2P_EVENT_INVITATION_RECEIVED | |
3118 | "sa=" MACSTR " go_dev_addr=" MACSTR | |
3119 | " bssid=" MACSTR " unknown-network", | |
3120 | MAC2STR(sa), MAC2STR(go_dev_addr), | |
3121 | MAC2STR(bssid)); | |
b22128ef | 3122 | } else { |
92c4465b JM |
3123 | wpa_msg_global(wpa_s, MSG_INFO, |
3124 | P2P_EVENT_INVITATION_RECEIVED | |
3125 | "sa=" MACSTR " go_dev_addr=" MACSTR | |
3126 | " unknown-network", | |
3127 | MAC2STR(sa), MAC2STR(go_dev_addr)); | |
b22128ef | 3128 | } |
be5ab8d4 MJ |
3129 | wpas_notify_p2p_invitation_received(wpa_s, sa, go_dev_addr, |
3130 | bssid, 0, op_freq); | |
b22128ef JM |
3131 | return; |
3132 | } | |
3133 | ||
cd1e2309 | 3134 | if (s->mode == WPAS_MODE_P2P_GO && op_freq) { |
92c4465b JM |
3135 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED |
3136 | "sa=" MACSTR " persistent=%d freq=%d", | |
3137 | MAC2STR(sa), s->id, op_freq); | |
cd1e2309 | 3138 | } else { |
92c4465b JM |
3139 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED |
3140 | "sa=" MACSTR " persistent=%d", | |
3141 | MAC2STR(sa), s->id); | |
cd1e2309 | 3142 | } |
be5ab8d4 MJ |
3143 | wpas_notify_p2p_invitation_received(wpa_s, sa, go_dev_addr, bssid, |
3144 | s->id, op_freq); | |
b22128ef JM |
3145 | } |
3146 | ||
3147 | ||
dbca75f8 JM |
3148 | static void wpas_remove_persistent_peer(struct wpa_supplicant *wpa_s, |
3149 | struct wpa_ssid *ssid, | |
f2c56602 | 3150 | const u8 *peer, int inv) |
dbca75f8 JM |
3151 | { |
3152 | size_t i; | |
b740401f | 3153 | struct wpa_supplicant *p2p_wpa_s = wpa_s->global->p2p_init_wpa_s; |
dbca75f8 JM |
3154 | |
3155 | if (ssid == NULL) | |
3156 | return; | |
3157 | ||
3158 | for (i = 0; ssid->p2p_client_list && i < ssid->num_p2p_clients; i++) { | |
79cd993a | 3159 | if (os_memcmp(ssid->p2p_client_list + i * 2 * ETH_ALEN, peer, |
dbca75f8 JM |
3160 | ETH_ALEN) == 0) |
3161 | break; | |
3162 | } | |
8931a36c | 3163 | if (i >= ssid->num_p2p_clients || !ssid->p2p_client_list) { |
dbca75f8 JM |
3164 | if (ssid->mode != WPAS_MODE_P2P_GO && |
3165 | os_memcmp(ssid->bssid, peer, ETH_ALEN) == 0) { | |
3166 | wpa_printf(MSG_DEBUG, "P2P: Remove persistent group %d " | |
3167 | "due to invitation result", ssid->id); | |
3168 | wpas_notify_network_removed(wpa_s, ssid); | |
3169 | wpa_config_remove_network(wpa_s->conf, ssid->id); | |
3170 | return; | |
3171 | } | |
3172 | return; /* Peer not found in client list */ | |
3173 | } | |
3174 | ||
3175 | wpa_printf(MSG_DEBUG, "P2P: Remove peer " MACSTR " from persistent " | |
f2c56602 JM |
3176 | "group %d client list%s", |
3177 | MAC2STR(peer), ssid->id, | |
3178 | inv ? " due to invitation result" : ""); | |
79cd993a ST |
3179 | os_memmove(ssid->p2p_client_list + i * 2 * ETH_ALEN, |
3180 | ssid->p2p_client_list + (i + 1) * 2 * ETH_ALEN, | |
3181 | (ssid->num_p2p_clients - i - 1) * 2 * ETH_ALEN); | |
dbca75f8 | 3182 | ssid->num_p2p_clients--; |
b740401f IP |
3183 | if (p2p_wpa_s->conf->update_config && |
3184 | wpa_config_write(p2p_wpa_s->confname, p2p_wpa_s->conf)) | |
dbca75f8 | 3185 | wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration"); |
dbca75f8 JM |
3186 | } |
3187 | ||
3188 | ||
3189 | static void wpas_remove_persistent_client(struct wpa_supplicant *wpa_s, | |
3190 | const u8 *peer) | |
3191 | { | |
3192 | struct wpa_ssid *ssid; | |
3193 | ||
3194 | wpa_s = wpa_s->global->p2p_invite_group; | |
3195 | if (wpa_s == NULL) | |
3196 | return; /* No known invitation group */ | |
3197 | ssid = wpa_s->current_ssid; | |
3198 | if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO || | |
3199 | !ssid->p2p_persistent_group) | |
3200 | return; /* Not operating as a GO in persistent group */ | |
ba307f85 | 3201 | ssid = wpas_p2p_get_persistent(wpa_s->p2pdev, peer, |
dbca75f8 | 3202 | ssid->ssid, ssid->ssid_len); |
f2c56602 | 3203 | wpas_remove_persistent_peer(wpa_s, ssid, peer, 1); |
dbca75f8 JM |
3204 | } |
3205 | ||
3206 | ||
54733624 | 3207 | static void wpas_invitation_result(void *ctx, int status, const u8 *bssid, |
dbca75f8 | 3208 | const struct p2p_channels *channels, |
41d5ce9e RR |
3209 | const u8 *peer, int neg_freq, |
3210 | int peer_oper_freq) | |
b22128ef JM |
3211 | { |
3212 | struct wpa_supplicant *wpa_s = ctx; | |
3213 | struct wpa_ssid *ssid; | |
41d5ce9e | 3214 | int freq; |
b22128ef JM |
3215 | |
3216 | if (bssid) { | |
92c4465b JM |
3217 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RESULT |
3218 | "status=%d " MACSTR, | |
3219 | status, MAC2STR(bssid)); | |
b22128ef | 3220 | } else { |
92c4465b JM |
3221 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RESULT |
3222 | "status=%d ", status); | |
b22128ef | 3223 | } |
5ccdf84f | 3224 | wpas_notify_p2p_invitation_result(wpa_s, status, bssid); |
b22128ef | 3225 | |
dbca75f8 JM |
3226 | wpa_printf(MSG_DEBUG, "P2P: Invitation result - status=%d peer=" MACSTR, |
3227 | status, MAC2STR(peer)); | |
3228 | if (wpa_s->pending_invite_ssid_id == -1) { | |
6cbbae2c IP |
3229 | struct wpa_supplicant *group_if = |
3230 | wpa_s->global->p2p_invite_group; | |
3231 | ||
dbca75f8 JM |
3232 | if (status == P2P_SC_FAIL_UNKNOWN_GROUP) |
3233 | wpas_remove_persistent_client(wpa_s, peer); | |
6cbbae2c IP |
3234 | |
3235 | /* | |
3236 | * Invitation to an active group. If this is successful and we | |
3237 | * are the GO, set the client wait to postpone some concurrent | |
3238 | * operations and to allow provisioning and connection to happen | |
3239 | * more quickly. | |
3240 | */ | |
3241 | if (status == P2P_SC_SUCCESS && | |
3242 | group_if && group_if->current_ssid && | |
ed7820b4 | 3243 | group_if->current_ssid->mode == WPAS_MODE_P2P_GO) { |
6cbbae2c | 3244 | os_get_reltime(&wpa_s->global->p2p_go_wait_client); |
ed7820b4 IP |
3245 | #ifdef CONFIG_TESTING_OPTIONS |
3246 | if (group_if->p2p_go_csa_on_inv) { | |
3247 | wpa_printf(MSG_DEBUG, | |
3248 | "Testing: force P2P GO CSA after invitation"); | |
3249 | eloop_cancel_timeout( | |
3250 | wpas_p2p_reconsider_moving_go, | |
3251 | wpa_s, NULL); | |
3252 | eloop_register_timeout( | |
3253 | 0, 50000, | |
3254 | wpas_p2p_reconsider_moving_go, | |
3255 | wpa_s, NULL); | |
3256 | } | |
3257 | #endif /* CONFIG_TESTING_OPTIONS */ | |
3258 | } | |
6cbbae2c | 3259 | return; |
dbca75f8 | 3260 | } |
706887fc | 3261 | |
77e4e853 JM |
3262 | if (status == P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE) { |
3263 | wpa_printf(MSG_DEBUG, "P2P: Waiting for peer to start another " | |
3264 | "invitation exchange to indicate readiness for " | |
3265 | "re-invocation"); | |
3266 | } | |
3267 | ||
b22128ef | 3268 | if (status != P2P_SC_SUCCESS) { |
dbca75f8 JM |
3269 | if (status == P2P_SC_FAIL_UNKNOWN_GROUP) { |
3270 | ssid = wpa_config_get_network( | |
3271 | wpa_s->conf, wpa_s->pending_invite_ssid_id); | |
f2c56602 | 3272 | wpas_remove_persistent_peer(wpa_s, ssid, peer, 1); |
dbca75f8 | 3273 | } |
b22128ef JM |
3274 | wpas_p2p_remove_pending_group_interface(wpa_s); |
3275 | return; | |
3276 | } | |
3277 | ||
3278 | ssid = wpa_config_get_network(wpa_s->conf, | |
3279 | wpa_s->pending_invite_ssid_id); | |
3280 | if (ssid == NULL) { | |
3281 | wpa_printf(MSG_ERROR, "P2P: Could not find persistent group " | |
3282 | "data matching with invitation"); | |
3283 | return; | |
3284 | } | |
3285 | ||
13ece96f JM |
3286 | /* |
3287 | * The peer could have missed our ctrl::ack frame for Invitation | |
3288 | * Response and continue retransmitting the frame. To reduce the | |
3289 | * likelihood of the peer not getting successful TX status for the | |
3290 | * Invitation Response frame, wait a short time here before starting | |
3291 | * the persistent group so that we will remain on the current channel to | |
3292 | * acknowledge any possible retransmission from the peer. | |
3293 | */ | |
3294 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: 50 ms wait on current channel before " | |
3295 | "starting persistent group"); | |
3296 | os_sleep(0, 50000); | |
3297 | ||
41d5ce9e | 3298 | if (neg_freq > 0 && ssid->mode == WPAS_MODE_P2P_GO && |
e280110d | 3299 | freq_included(wpa_s, channels, neg_freq)) |
41d5ce9e RR |
3300 | freq = neg_freq; |
3301 | else if (peer_oper_freq > 0 && ssid->mode != WPAS_MODE_P2P_GO && | |
e280110d | 3302 | freq_included(wpa_s, channels, peer_oper_freq)) |
41d5ce9e RR |
3303 | freq = peer_oper_freq; |
3304 | else | |
3305 | freq = 0; | |
3306 | ||
3307 | wpa_printf(MSG_DEBUG, "P2P: Persistent group invitation success - op_freq=%d MHz SSID=%s", | |
3308 | freq, wpa_ssid_txt(ssid->ssid, ssid->ssid_len)); | |
b22128ef | 3309 | wpas_p2p_group_add_persistent(wpa_s, ssid, |
4d32c0c4 | 3310 | ssid->mode == WPAS_MODE_P2P_GO, |
062a7c0d | 3311 | wpa_s->p2p_persistent_go_freq, |
41d5ce9e | 3312 | freq, |
c27f4c90 | 3313 | wpa_s->p2p_go_vht_center_freq2, |
20ea1ca4 | 3314 | wpa_s->p2p_go_ht40, wpa_s->p2p_go_vht, |
c27f4c90 | 3315 | wpa_s->p2p_go_max_oper_chwidth, |
5a3319ab | 3316 | wpa_s->p2p_go_he, |
20ea1ca4 | 3317 | channels, |
bbc6c729 JM |
3318 | ssid->mode == WPAS_MODE_P2P_GO ? |
3319 | P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE : | |
dfaf11d6 | 3320 | 0, 1); |
b22128ef JM |
3321 | } |
3322 | ||
3323 | ||
6f3bc72b JM |
3324 | static int wpas_p2p_disallowed_freq(struct wpa_global *global, |
3325 | unsigned int freq) | |
3326 | { | |
253f2e37 AH |
3327 | if (freq_range_list_includes(&global->p2p_go_avoid_freq, freq)) |
3328 | return 1; | |
af8a827b | 3329 | return freq_range_list_includes(&global->p2p_disallow_freq, freq); |
6f3bc72b JM |
3330 | } |
3331 | ||
3332 | ||
3333 | static void wpas_p2p_add_chan(struct p2p_reg_class *reg, u8 chan) | |
3334 | { | |
3335 | reg->channel[reg->channels] = chan; | |
3336 | reg->channels++; | |
3337 | } | |
3338 | ||
3339 | ||
ac8d1011 | 3340 | static int wpas_p2p_default_channels(struct wpa_supplicant *wpa_s, |
51e9f228 JM |
3341 | struct p2p_channels *chan, |
3342 | struct p2p_channels *cli_chan) | |
ac8d1011 JM |
3343 | { |
3344 | int i, cla = 0; | |
3345 | ||
7475d299 JM |
3346 | wpa_s->global->p2p_24ghz_social_channels = 1; |
3347 | ||
51e9f228 JM |
3348 | os_memset(cli_chan, 0, sizeof(*cli_chan)); |
3349 | ||
ac8d1011 JM |
3350 | wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for 2.4 GHz " |
3351 | "band"); | |
3352 | ||
3353 | /* Operating class 81 - 2.4 GHz band channels 1..13 */ | |
3354 | chan->reg_class[cla].reg_class = 81; | |
6f3bc72b JM |
3355 | chan->reg_class[cla].channels = 0; |
3356 | for (i = 0; i < 11; i++) { | |
3357 | if (!wpas_p2p_disallowed_freq(wpa_s->global, 2412 + i * 5)) | |
3358 | wpas_p2p_add_chan(&chan->reg_class[cla], i + 1); | |
3359 | } | |
3360 | if (chan->reg_class[cla].channels) | |
3361 | cla++; | |
ac8d1011 JM |
3362 | |
3363 | wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for lower 5 GHz " | |
3364 | "band"); | |
3365 | ||
3366 | /* Operating class 115 - 5 GHz, channels 36-48 */ | |
3367 | chan->reg_class[cla].reg_class = 115; | |
6f3bc72b JM |
3368 | chan->reg_class[cla].channels = 0; |
3369 | if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 36 * 5)) | |
3370 | wpas_p2p_add_chan(&chan->reg_class[cla], 36); | |
3371 | if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 40 * 5)) | |
3372 | wpas_p2p_add_chan(&chan->reg_class[cla], 40); | |
3373 | if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 44 * 5)) | |
3374 | wpas_p2p_add_chan(&chan->reg_class[cla], 44); | |
3375 | if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 48 * 5)) | |
3376 | wpas_p2p_add_chan(&chan->reg_class[cla], 48); | |
3377 | if (chan->reg_class[cla].channels) | |
3378 | cla++; | |
ac8d1011 JM |
3379 | |
3380 | wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for higher 5 GHz " | |
3381 | "band"); | |
3382 | ||
3383 | /* Operating class 124 - 5 GHz, channels 149,153,157,161 */ | |
3384 | chan->reg_class[cla].reg_class = 124; | |
6f3bc72b JM |
3385 | chan->reg_class[cla].channels = 0; |
3386 | if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 149 * 5)) | |
3387 | wpas_p2p_add_chan(&chan->reg_class[cla], 149); | |
3388 | if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 153 * 5)) | |
3389 | wpas_p2p_add_chan(&chan->reg_class[cla], 153); | |
3390 | if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 156 * 5)) | |
3391 | wpas_p2p_add_chan(&chan->reg_class[cla], 157); | |
3392 | if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 161 * 5)) | |
3393 | wpas_p2p_add_chan(&chan->reg_class[cla], 161); | |
3394 | if (chan->reg_class[cla].channels) | |
3395 | cla++; | |
ac8d1011 JM |
3396 | |
3397 | chan->reg_classes = cla; | |
3398 | return 0; | |
3399 | } | |
3400 | ||
3401 | ||
6f3bc72b JM |
3402 | static int has_channel(struct wpa_global *global, |
3403 | struct hostapd_hw_modes *mode, u8 chan, int *flags) | |
ac8d1011 JM |
3404 | { |
3405 | int i; | |
6f3bc72b JM |
3406 | unsigned int freq; |
3407 | ||
3408 | freq = (mode->mode == HOSTAPD_MODE_IEEE80211A ? 5000 : 2407) + | |
3409 | chan * 5; | |
3410 | if (wpas_p2p_disallowed_freq(global, freq)) | |
51e9f228 | 3411 | return NOT_ALLOWED; |
ac8d1011 JM |
3412 | |
3413 | for (i = 0; i < mode->num_channels; i++) { | |
3414 | if (mode->channels[i].chan == chan) { | |
51222429 JM |
3415 | if (flags) |
3416 | *flags = mode->channels[i].flag; | |
51e9f228 JM |
3417 | if (mode->channels[i].flag & |
3418 | (HOSTAPD_CHAN_DISABLED | | |
3419 | HOSTAPD_CHAN_RADAR)) | |
3420 | return NOT_ALLOWED; | |
0a443580 IP |
3421 | if (mode->channels[i].flag & HOSTAPD_CHAN_NO_IR) |
3422 | return NO_IR; | |
51e9f228 | 3423 | return ALLOWED; |
ac8d1011 JM |
3424 | } |
3425 | } | |
3426 | ||
51e9f228 | 3427 | return NOT_ALLOWED; |
ac8d1011 JM |
3428 | } |
3429 | ||
3430 | ||
ca9bc5b5 EP |
3431 | static int wpas_p2p_get_center_80mhz(struct wpa_supplicant *wpa_s, |
3432 | struct hostapd_hw_modes *mode, | |
3433 | u8 channel) | |
3434 | { | |
3435 | u8 center_channels[] = { 42, 58, 106, 122, 138, 155 }; | |
5cdd729e | 3436 | size_t i; |
ca9bc5b5 EP |
3437 | |
3438 | if (mode->mode != HOSTAPD_MODE_IEEE80211A) | |
3439 | return 0; | |
3440 | ||
3441 | for (i = 0; i < ARRAY_SIZE(center_channels); i++) | |
3442 | /* | |
3443 | * In 80 MHz, the bandwidth "spans" 12 channels (e.g., 36-48), | |
3444 | * so the center channel is 6 channels away from the start/end. | |
3445 | */ | |
3446 | if (channel >= center_channels[i] - 6 && | |
3447 | channel <= center_channels[i] + 6) | |
3448 | return center_channels[i]; | |
3449 | ||
3450 | return 0; | |
3451 | } | |
3452 | ||
3453 | ||
3454 | static enum chan_allowed wpas_p2p_verify_80mhz(struct wpa_supplicant *wpa_s, | |
3455 | struct hostapd_hw_modes *mode, | |
3456 | u8 channel, u8 bw) | |
3457 | { | |
3458 | u8 center_chan; | |
3459 | int i, flags; | |
3460 | enum chan_allowed res, ret = ALLOWED; | |
3461 | ||
3462 | center_chan = wpas_p2p_get_center_80mhz(wpa_s, mode, channel); | |
3463 | if (!center_chan) | |
3464 | return NOT_ALLOWED; | |
3465 | if (center_chan >= 58 && center_chan <= 138) | |
3466 | return NOT_ALLOWED; /* Do not allow DFS channels for P2P */ | |
3467 | ||
3468 | /* check all the channels are available */ | |
3469 | for (i = 0; i < 4; i++) { | |
3470 | int adj_chan = center_chan - 6 + i * 4; | |
3471 | ||
3472 | res = has_channel(wpa_s->global, mode, adj_chan, &flags); | |
3473 | if (res == NOT_ALLOWED) | |
3474 | return NOT_ALLOWED; | |
0a443580 IP |
3475 | if (res == NO_IR) |
3476 | ret = NO_IR; | |
ca9bc5b5 EP |
3477 | |
3478 | if (i == 0 && !(flags & HOSTAPD_CHAN_VHT_10_70)) | |
3479 | return NOT_ALLOWED; | |
3480 | if (i == 1 && !(flags & HOSTAPD_CHAN_VHT_30_50)) | |
3481 | return NOT_ALLOWED; | |
3482 | if (i == 2 && !(flags & HOSTAPD_CHAN_VHT_50_30)) | |
3483 | return NOT_ALLOWED; | |
3484 | if (i == 3 && !(flags & HOSTAPD_CHAN_VHT_70_10)) | |
3485 | return NOT_ALLOWED; | |
3486 | } | |
3487 | ||
3488 | return ret; | |
3489 | } | |
3490 | ||
3491 | ||
bee5d8e0 AK |
3492 | static int wpas_p2p_get_center_160mhz(struct wpa_supplicant *wpa_s, |
3493 | struct hostapd_hw_modes *mode, | |
3494 | u8 channel) | |
3495 | { | |
3496 | u8 center_channels[] = { 50, 114 }; | |
3497 | unsigned int i; | |
3498 | ||
3499 | if (mode->mode != HOSTAPD_MODE_IEEE80211A) | |
3500 | return 0; | |
3501 | ||
3502 | for (i = 0; i < ARRAY_SIZE(center_channels); i++) | |
3503 | /* | |
3504 | * In 160 MHz, the bandwidth "spans" 28 channels (e.g., 36-64), | |
3505 | * so the center channel is 14 channels away from the start/end. | |
3506 | */ | |
3507 | if (channel >= center_channels[i] - 14 && | |
3508 | channel <= center_channels[i] + 14) | |
3509 | return center_channels[i]; | |
3510 | ||
3511 | return 0; | |
3512 | } | |
3513 | ||
3514 | ||
3515 | static enum chan_allowed wpas_p2p_verify_160mhz(struct wpa_supplicant *wpa_s, | |
3516 | struct hostapd_hw_modes *mode, | |
3517 | u8 channel, u8 bw) | |
3518 | { | |
3519 | u8 center_chan; | |
3520 | int i, flags; | |
3521 | enum chan_allowed res, ret = ALLOWED; | |
3522 | ||
3523 | center_chan = wpas_p2p_get_center_160mhz(wpa_s, mode, channel); | |
3524 | if (!center_chan) | |
3525 | return NOT_ALLOWED; | |
3526 | /* VHT 160 MHz uses DFS channels in most countries. */ | |
3527 | ||
3528 | /* Check all the channels are available */ | |
3529 | for (i = 0; i < 8; i++) { | |
3530 | int adj_chan = center_chan - 14 + i * 4; | |
3531 | ||
3532 | res = has_channel(wpa_s->global, mode, adj_chan, &flags); | |
3533 | if (res == NOT_ALLOWED) | |
3534 | return NOT_ALLOWED; | |
3535 | ||
3536 | if (res == NO_IR) | |
3537 | ret = NO_IR; | |
3538 | ||
3539 | if (i == 0 && !(flags & HOSTAPD_CHAN_VHT_10_150)) | |
3540 | return NOT_ALLOWED; | |
3541 | if (i == 1 && !(flags & HOSTAPD_CHAN_VHT_30_130)) | |
3542 | return NOT_ALLOWED; | |
3543 | if (i == 2 && !(flags & HOSTAPD_CHAN_VHT_50_110)) | |
3544 | return NOT_ALLOWED; | |
3545 | if (i == 3 && !(flags & HOSTAPD_CHAN_VHT_70_90)) | |
3546 | return NOT_ALLOWED; | |
3547 | if (i == 4 && !(flags & HOSTAPD_CHAN_VHT_90_70)) | |
3548 | return NOT_ALLOWED; | |
3549 | if (i == 5 && !(flags & HOSTAPD_CHAN_VHT_110_50)) | |
3550 | return NOT_ALLOWED; | |
3551 | if (i == 6 && !(flags & HOSTAPD_CHAN_VHT_130_30)) | |
3552 | return NOT_ALLOWED; | |
3553 | if (i == 7 && !(flags & HOSTAPD_CHAN_VHT_150_10)) | |
3554 | return NOT_ALLOWED; | |
3555 | } | |
3556 | ||
3557 | return ret; | |
3558 | } | |
3559 | ||
3560 | ||
51e9f228 JM |
3561 | static enum chan_allowed wpas_p2p_verify_channel(struct wpa_supplicant *wpa_s, |
3562 | struct hostapd_hw_modes *mode, | |
3563 | u8 channel, u8 bw) | |
931228aa | 3564 | { |
cbf21c7c | 3565 | int flag = 0; |
51e9f228 JM |
3566 | enum chan_allowed res, res2; |
3567 | ||
3568 | res2 = res = has_channel(wpa_s->global, mode, channel, &flag); | |
3569 | if (bw == BW40MINUS) { | |
3570 | if (!(flag & HOSTAPD_CHAN_HT40MINUS)) | |
3571 | return NOT_ALLOWED; | |
3572 | res2 = has_channel(wpa_s->global, mode, channel - 4, NULL); | |
3573 | } else if (bw == BW40PLUS) { | |
3574 | if (!(flag & HOSTAPD_CHAN_HT40PLUS)) | |
3575 | return NOT_ALLOWED; | |
3576 | res2 = has_channel(wpa_s->global, mode, channel + 4, NULL); | |
ca9bc5b5 EP |
3577 | } else if (bw == BW80) { |
3578 | res2 = wpas_p2p_verify_80mhz(wpa_s, mode, channel, bw); | |
bee5d8e0 AK |
3579 | } else if (bw == BW160) { |
3580 | res2 = wpas_p2p_verify_160mhz(wpa_s, mode, channel, bw); | |
51e9f228 JM |
3581 | } |
3582 | ||
3583 | if (res == NOT_ALLOWED || res2 == NOT_ALLOWED) | |
3584 | return NOT_ALLOWED; | |
0a443580 IP |
3585 | if (res == NO_IR || res2 == NO_IR) |
3586 | return NO_IR; | |
51e9f228 | 3587 | return res; |
931228aa RM |
3588 | } |
3589 | ||
3590 | ||
b22128ef | 3591 | static int wpas_p2p_setup_channels(struct wpa_supplicant *wpa_s, |
51e9f228 JM |
3592 | struct p2p_channels *chan, |
3593 | struct p2p_channels *cli_chan) | |
b22128ef | 3594 | { |
6bf731e8 | 3595 | struct hostapd_hw_modes *mode; |
51e9f228 | 3596 | int cla, op, cli_cla; |
b22128ef | 3597 | |
6bf731e8 | 3598 | if (wpa_s->hw.modes == NULL) { |
b22128ef JM |
3599 | wpa_printf(MSG_DEBUG, "P2P: Driver did not support fetching " |
3600 | "of all supported channels; assume dualband " | |
3601 | "support"); | |
51e9f228 | 3602 | return wpas_p2p_default_channels(wpa_s, chan, cli_chan); |
b22128ef JM |
3603 | } |
3604 | ||
51e9f228 | 3605 | cla = cli_cla = 0; |
b22128ef | 3606 | |
7d46f586 AS |
3607 | for (op = 0; global_op_class[op].op_class; op++) { |
3608 | const struct oper_class_map *o = &global_op_class[op]; | |
ac8d1011 | 3609 | u8 ch; |
51e9f228 | 3610 | struct p2p_reg_class *reg = NULL, *cli_reg = NULL; |
b22128ef | 3611 | |
7d46f586 AS |
3612 | if (o->p2p == NO_P2P_SUPP) |
3613 | continue; | |
3614 | ||
6bf731e8 | 3615 | mode = get_mode(wpa_s->hw.modes, wpa_s->hw.num_modes, o->mode); |
ac8d1011 JM |
3616 | if (mode == NULL) |
3617 | continue; | |
7475d299 JM |
3618 | if (mode->mode == HOSTAPD_MODE_IEEE80211G) |
3619 | wpa_s->global->p2p_24ghz_social_channels = 1; | |
ac8d1011 | 3620 | for (ch = o->min_chan; ch <= o->max_chan; ch += o->inc) { |
51e9f228 JM |
3621 | enum chan_allowed res; |
3622 | res = wpas_p2p_verify_channel(wpa_s, mode, ch, o->bw); | |
3623 | if (res == ALLOWED) { | |
3624 | if (reg == NULL) { | |
3625 | wpa_printf(MSG_DEBUG, "P2P: Add operating class %u", | |
3626 | o->op_class); | |
3627 | reg = &chan->reg_class[cla]; | |
3628 | cla++; | |
3629 | reg->reg_class = o->op_class; | |
3630 | } | |
3631 | reg->channel[reg->channels] = ch; | |
3632 | reg->channels++; | |
0a443580 | 3633 | } else if (res == NO_IR && |
51e9f228 JM |
3634 | wpa_s->conf->p2p_add_cli_chan) { |
3635 | if (cli_reg == NULL) { | |
3636 | wpa_printf(MSG_DEBUG, "P2P: Add operating class %u (client only)", | |
3637 | o->op_class); | |
3638 | cli_reg = &cli_chan->reg_class[cli_cla]; | |
3639 | cli_cla++; | |
3640 | cli_reg->reg_class = o->op_class; | |
3641 | } | |
3642 | cli_reg->channel[cli_reg->channels] = ch; | |
3643 | cli_reg->channels++; | |
ac8d1011 | 3644 | } |
ac8d1011 JM |
3645 | } |
3646 | if (reg) { | |
3647 | wpa_hexdump(MSG_DEBUG, "P2P: Channels", | |
3648 | reg->channel, reg->channels); | |
3649 | } | |
51e9f228 JM |
3650 | if (cli_reg) { |
3651 | wpa_hexdump(MSG_DEBUG, "P2P: Channels (client only)", | |
3652 | cli_reg->channel, cli_reg->channels); | |
3653 | } | |
b22128ef JM |
3654 | } |
3655 | ||
ac8d1011 | 3656 | chan->reg_classes = cla; |
51e9f228 | 3657 | cli_chan->reg_classes = cli_cla; |
b22128ef | 3658 | |
b22128ef JM |
3659 | return 0; |
3660 | } | |
3661 | ||
3662 | ||
7aeac985 RM |
3663 | int wpas_p2p_get_ht40_mode(struct wpa_supplicant *wpa_s, |
3664 | struct hostapd_hw_modes *mode, u8 channel) | |
3665 | { | |
51e9f228 JM |
3666 | int op; |
3667 | enum chan_allowed ret; | |
7aeac985 | 3668 | |
7d46f586 AS |
3669 | for (op = 0; global_op_class[op].op_class; op++) { |
3670 | const struct oper_class_map *o = &global_op_class[op]; | |
7aeac985 RM |
3671 | u8 ch; |
3672 | ||
7d46f586 AS |
3673 | if (o->p2p == NO_P2P_SUPP) |
3674 | continue; | |
3675 | ||
7aeac985 RM |
3676 | for (ch = o->min_chan; ch <= o->max_chan; ch += o->inc) { |
3677 | if (o->mode != HOSTAPD_MODE_IEEE80211A || | |
e4a80d89 EP |
3678 | (o->bw != BW40PLUS && o->bw != BW40MINUS) || |
3679 | ch != channel) | |
7aeac985 RM |
3680 | continue; |
3681 | ret = wpas_p2p_verify_channel(wpa_s, mode, ch, o->bw); | |
51e9f228 | 3682 | if (ret == ALLOWED) |
7aeac985 | 3683 | return (o->bw == BW40MINUS) ? -1 : 1; |
7aeac985 RM |
3684 | } |
3685 | } | |
3686 | return 0; | |
3687 | } | |
3688 | ||
3689 | ||
ca9bc5b5 EP |
3690 | int wpas_p2p_get_vht80_center(struct wpa_supplicant *wpa_s, |
3691 | struct hostapd_hw_modes *mode, u8 channel) | |
3692 | { | |
3693 | if (!wpas_p2p_verify_channel(wpa_s, mode, channel, BW80)) | |
3694 | return 0; | |
3695 | ||
3696 | return wpas_p2p_get_center_80mhz(wpa_s, mode, channel); | |
3697 | } | |
3698 | ||
3699 | ||
bee5d8e0 AK |
3700 | int wpas_p2p_get_vht160_center(struct wpa_supplicant *wpa_s, |
3701 | struct hostapd_hw_modes *mode, u8 channel) | |
3702 | { | |
3703 | if (!wpas_p2p_verify_channel(wpa_s, mode, channel, BW160)) | |
3704 | return 0; | |
3705 | return wpas_p2p_get_center_160mhz(wpa_s, mode, channel); | |
3706 | } | |
3707 | ||
3708 | ||
b22128ef JM |
3709 | static int wpas_get_noa(void *ctx, const u8 *interface_addr, u8 *buf, |
3710 | size_t buf_len) | |
3711 | { | |
3712 | struct wpa_supplicant *wpa_s = ctx; | |
3713 | ||
3714 | for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) { | |
3715 | if (os_memcmp(wpa_s->own_addr, interface_addr, ETH_ALEN) == 0) | |
3716 | break; | |
3717 | } | |
3718 | if (wpa_s == NULL) | |
3719 | return -1; | |
3720 | ||
3721 | return wpa_drv_get_noa(wpa_s, buf, buf_len); | |
3722 | } | |
3723 | ||
3724 | ||
6f04642f TB |
3725 | struct wpa_supplicant * wpas_get_p2p_go_iface(struct wpa_supplicant *wpa_s, |
3726 | const u8 *ssid, size_t ssid_len) | |
b1aebbc4 | 3727 | { |
6f04642f TB |
3728 | for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) { |
3729 | struct wpa_ssid *s = wpa_s->current_ssid; | |
3730 | if (s == NULL) | |
3731 | continue; | |
3732 | if (s->mode != WPAS_MODE_P2P_GO && | |
3733 | s->mode != WPAS_MODE_AP && | |
3734 | s->mode != WPAS_MODE_P2P_GROUP_FORMATION) | |
3735 | continue; | |
3736 | if (s->ssid_len != ssid_len || | |
af65bc36 | 3737 | os_memcmp(ssid, s->ssid, ssid_len) != 0) |
6f04642f TB |
3738 | continue; |
3739 | return wpa_s; | |
3740 | } | |
3741 | ||
3742 | return NULL; | |
3743 | ||
3744 | } | |
3745 | ||
b1aebbc4 | 3746 | |
6f04642f TB |
3747 | struct wpa_supplicant * wpas_get_p2p_client_iface(struct wpa_supplicant *wpa_s, |
3748 | const u8 *peer_dev_addr) | |
3749 | { | |
b1aebbc4 JM |
3750 | for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) { |
3751 | struct wpa_ssid *ssid = wpa_s->current_ssid; | |
9f59fe8d | 3752 | if (ssid && (ssid->mode != WPAS_MODE_INFRA || !ssid->p2p_group)) |
b1aebbc4 | 3753 | continue; |
6f04642f TB |
3754 | if (os_memcmp(wpa_s->go_dev_addr, peer_dev_addr, ETH_ALEN) == 0) |
3755 | return wpa_s; | |
b1aebbc4 JM |
3756 | } |
3757 | ||
6f04642f TB |
3758 | return NULL; |
3759 | } | |
3760 | ||
3761 | ||
3762 | static int wpas_go_connected(void *ctx, const u8 *dev_addr) | |
3763 | { | |
3764 | struct wpa_supplicant *wpa_s = ctx; | |
3765 | ||
3766 | return wpas_get_p2p_client_iface(wpa_s, dev_addr) != NULL; | |
b1aebbc4 JM |
3767 | } |
3768 | ||
3769 | ||
a2d63657 RR |
3770 | static int wpas_is_concurrent_session_active(void *ctx) |
3771 | { | |
3772 | struct wpa_supplicant *wpa_s = ctx; | |
3773 | struct wpa_supplicant *ifs; | |
3774 | ||
3775 | for (ifs = wpa_s->global->ifaces; ifs; ifs = ifs->next) { | |
3776 | if (ifs == wpa_s) | |
3777 | continue; | |
3778 | if (ifs->wpa_state > WPA_ASSOCIATED) | |
3779 | return 1; | |
3780 | } | |
3781 | return 0; | |
3782 | } | |
3783 | ||
3784 | ||
ed496f13 JM |
3785 | static void wpas_p2p_debug_print(void *ctx, int level, const char *msg) |
3786 | { | |
3787 | struct wpa_supplicant *wpa_s = ctx; | |
92c4465b | 3788 | wpa_msg_global(wpa_s, level, "P2P: %s", msg); |
ed496f13 JM |
3789 | } |
3790 | ||
3791 | ||
f1a61311 JM |
3792 | int wpas_p2p_add_p2pdev_interface(struct wpa_supplicant *wpa_s, |
3793 | const char *conf_p2p_dev) | |
c68f6200 AS |
3794 | { |
3795 | struct wpa_interface iface; | |
3796 | struct wpa_supplicant *p2pdev_wpa_s; | |
3797 | char ifname[100]; | |
3798 | char force_name[100]; | |
3799 | int ret; | |
3800 | ||
1d399771 JM |
3801 | ret = os_snprintf(ifname, sizeof(ifname), P2P_MGMT_DEVICE_PREFIX "%s", |
3802 | wpa_s->ifname); | |
3803 | if (os_snprintf_error(sizeof(ifname), ret)) | |
3804 | return -1; | |
c68f6200 AS |
3805 | force_name[0] = '\0'; |
3806 | wpa_s->pending_interface_type = WPA_IF_P2P_DEVICE; | |
3807 | ret = wpa_drv_if_add(wpa_s, WPA_IF_P2P_DEVICE, ifname, NULL, NULL, | |
3808 | force_name, wpa_s->pending_interface_addr, NULL); | |
3809 | if (ret < 0) { | |
3810 | wpa_printf(MSG_DEBUG, "P2P: Failed to create P2P Device interface"); | |
3811 | return ret; | |
3812 | } | |
3813 | os_strlcpy(wpa_s->pending_interface_name, ifname, | |
3814 | sizeof(wpa_s->pending_interface_name)); | |
3815 | ||
3816 | os_memset(&iface, 0, sizeof(iface)); | |
3817 | iface.p2p_mgmt = 1; | |
3818 | iface.ifname = wpa_s->pending_interface_name; | |
3819 | iface.driver = wpa_s->driver->name; | |
c68f6200 | 3820 | iface.driver_param = wpa_s->conf->driver_param; |
c16a7590 IP |
3821 | |
3822 | /* | |
3823 | * If a P2P Device configuration file was given, use it as the interface | |
3824 | * configuration file (instead of using parent's configuration file. | |
3825 | */ | |
f1a61311 JM |
3826 | if (conf_p2p_dev) { |
3827 | iface.confname = conf_p2p_dev; | |
c16a7590 IP |
3828 | iface.ctrl_interface = NULL; |
3829 | } else { | |
3830 | iface.confname = wpa_s->confname; | |
3831 | iface.ctrl_interface = wpa_s->conf->ctrl_interface; | |
3832 | } | |
c16a7590 | 3833 | |
1772d348 | 3834 | p2pdev_wpa_s = wpa_supplicant_add_iface(wpa_s->global, &iface, wpa_s); |
c68f6200 AS |
3835 | if (!p2pdev_wpa_s) { |
3836 | wpa_printf(MSG_DEBUG, "P2P: Failed to add P2P Device interface"); | |
3837 | return -1; | |
3838 | } | |
3839 | ||
96a26ab7 | 3840 | p2pdev_wpa_s->p2pdev = p2pdev_wpa_s; |
c68f6200 AS |
3841 | wpa_s->pending_interface_name[0] = '\0'; |
3842 | return 0; | |
3843 | } | |
3844 | ||
3845 | ||
c64e3a08 JM |
3846 | static void wpas_presence_resp(void *ctx, const u8 *src, u8 status, |
3847 | const u8 *noa, size_t noa_len) | |
3848 | { | |
3849 | struct wpa_supplicant *wpa_s, *intf = ctx; | |
3850 | char hex[100]; | |
3851 | ||
3852 | for (wpa_s = intf->global->ifaces; wpa_s; wpa_s = wpa_s->next) { | |
3853 | if (wpa_s->waiting_presence_resp) | |
3854 | break; | |
3855 | } | |
3856 | if (!wpa_s) { | |
3857 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: No group interface was waiting for presence response"); | |
3858 | return; | |
3859 | } | |
3860 | wpa_s->waiting_presence_resp = 0; | |
3861 | ||
3862 | wpa_snprintf_hex(hex, sizeof(hex), noa, noa_len); | |
3863 | wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PRESENCE_RESPONSE "src=" MACSTR | |
3864 | " status=%u noa=%s", MAC2STR(src), status, hex); | |
3865 | } | |
3866 | ||
3867 | ||
369678ad KV |
3868 | static int wpas_get_persistent_group(void *ctx, const u8 *addr, const u8 *ssid, |
3869 | size_t ssid_len, u8 *go_dev_addr, | |
1f1a08b4 AO |
3870 | u8 *ret_ssid, size_t *ret_ssid_len, |
3871 | u8 *intended_iface_addr) | |
369678ad KV |
3872 | { |
3873 | struct wpa_supplicant *wpa_s = ctx; | |
3874 | struct wpa_ssid *s; | |
3875 | ||
3876 | s = wpas_p2p_get_persistent(wpa_s, addr, ssid, ssid_len); | |
3877 | if (s) { | |
3878 | os_memcpy(ret_ssid, s->ssid, s->ssid_len); | |
3879 | *ret_ssid_len = s->ssid_len; | |
3880 | os_memcpy(go_dev_addr, s->bssid, ETH_ALEN); | |
1f1a08b4 AO |
3881 | |
3882 | if (s->mode != WPAS_MODE_P2P_GO) { | |
3883 | os_memset(intended_iface_addr, 0, ETH_ALEN); | |
3884 | } else if (wpas_p2p_create_iface(wpa_s)) { | |
3885 | if (wpas_p2p_add_group_interface(wpa_s, WPA_IF_P2P_GO)) | |
3886 | return 0; | |
3887 | ||
3888 | os_memcpy(intended_iface_addr, | |
3889 | wpa_s->pending_interface_addr, ETH_ALEN); | |
3890 | } else { | |
3891 | os_memcpy(intended_iface_addr, wpa_s->own_addr, | |
3892 | ETH_ALEN); | |
3893 | } | |
369678ad KV |
3894 | return 1; |
3895 | } | |
3896 | ||
3897 | return 0; | |
3898 | } | |
3899 | ||
3900 | ||
3901 | static int wpas_get_go_info(void *ctx, u8 *intended_addr, | |
ebd32943 IP |
3902 | u8 *ssid, size_t *ssid_len, int *group_iface, |
3903 | unsigned int *freq) | |
369678ad KV |
3904 | { |
3905 | struct wpa_supplicant *wpa_s = ctx; | |
ebd32943 | 3906 | struct wpa_supplicant *go; |
369678ad | 3907 | struct wpa_ssid *s; |
369678ad | 3908 | |
5cc6ec0f AO |
3909 | /* |
3910 | * group_iface will be set to 1 only if a dedicated interface for P2P | |
3911 | * role is required. First, we try to reuse an active GO. However, | |
3912 | * if it is not present, we will try to reactivate an existing | |
3913 | * persistent group and set group_iface to 1, so the caller will know | |
3914 | * that the pending interface should be used. | |
3915 | */ | |
3916 | *group_iface = 0; | |
ebd32943 IP |
3917 | |
3918 | if (freq) | |
3919 | *freq = 0; | |
3920 | ||
3921 | go = wpas_p2p_get_go_group(wpa_s); | |
3922 | if (!go) { | |
369678ad | 3923 | s = wpas_p2p_get_persistent_go(wpa_s); |
5cc6ec0f | 3924 | *group_iface = wpas_p2p_create_iface(wpa_s); |
369678ad | 3925 | if (s) |
ebd32943 | 3926 | os_memcpy(intended_addr, s->bssid, ETH_ALEN); |
5cc6ec0f AO |
3927 | else |
3928 | return 0; | |
ebd32943 IP |
3929 | } else { |
3930 | s = go->current_ssid; | |
3931 | os_memcpy(intended_addr, go->own_addr, ETH_ALEN); | |
3932 | if (freq) | |
3933 | *freq = go->assoc_freq; | |
369678ad KV |
3934 | } |
3935 | ||
369678ad KV |
3936 | os_memcpy(ssid, s->ssid, s->ssid_len); |
3937 | *ssid_len = s->ssid_len; | |
3938 | ||
3939 | return 1; | |
3940 | } | |
3941 | ||
3942 | ||
895d94de KV |
3943 | static int wpas_remove_stale_groups(void *ctx, const u8 *peer, const u8 *go, |
3944 | const u8 *ssid, size_t ssid_len) | |
3945 | { | |
3946 | struct wpa_supplicant *wpa_s = ctx; | |
3947 | struct wpa_ssid *s; | |
3948 | int save_config = 0; | |
3949 | size_t i; | |
3950 | ||
3951 | /* Start with our first choice of Persistent Groups */ | |
3952 | while ((s = wpas_p2p_get_persistent(wpa_s, peer, NULL, 0))) { | |
3953 | if (go && ssid && ssid_len && | |
3954 | s->ssid_len == ssid_len && | |
3955 | os_memcmp(go, s->bssid, ETH_ALEN) == 0 && | |
3956 | os_memcmp(ssid, s->ssid, ssid_len) == 0) | |
3957 | break; | |
3958 | ||
3959 | /* Remove stale persistent group */ | |
3960 | if (s->mode != WPAS_MODE_P2P_GO || s->num_p2p_clients <= 1) { | |
69dc9cab AK |
3961 | wpa_dbg(wpa_s, MSG_DEBUG, |
3962 | "P2P: Remove stale persistent group id=%d", | |
3963 | s->id); | |
3964 | wpas_notify_persistent_group_removed(wpa_s, s); | |
895d94de KV |
3965 | wpa_config_remove_network(wpa_s->conf, s->id); |
3966 | save_config = 1; | |
3967 | continue; | |
3968 | } | |
3969 | ||
3970 | for (i = 0; i < s->num_p2p_clients; i++) { | |
3971 | if (os_memcmp(s->p2p_client_list + i * 2 * ETH_ALEN, | |
3972 | peer, ETH_ALEN) != 0) | |
3973 | continue; | |
3974 | ||
3975 | os_memmove(s->p2p_client_list + i * 2 * ETH_ALEN, | |
3976 | s->p2p_client_list + (i + 1) * 2 * ETH_ALEN, | |
3977 | (s->num_p2p_clients - i - 1) * 2 * ETH_ALEN); | |
3978 | break; | |
3979 | } | |
3980 | s->num_p2p_clients--; | |
3981 | save_config = 1; | |
3982 | } | |
3983 | ||
3984 | if (save_config) | |
3985 | p2p_config_write(wpa_s); | |
3986 | ||
3987 | /* Return TRUE if valid SSID remains */ | |
3988 | return s != NULL; | |
3989 | } | |
3990 | ||
3991 | ||
88f3d7c9 MS |
3992 | static void wpas_p2ps_get_feat_cap_str(char *buf, size_t buf_len, |
3993 | const u8 *feat_cap, size_t feat_cap_len) | |
3994 | { | |
3995 | static const char pref[] = " feature_cap="; | |
3996 | int ret; | |
3997 | ||
3998 | buf[0] = '\0'; | |
3999 | ||
4000 | /* | |
4001 | * We expect a feature capability to contain at least one byte to be | |
4002 | * reported. The string buffer provided by the caller function is | |
4003 | * expected to be big enough to contain all bytes of the attribute for | |
4004 | * known specifications. This function truncates the reported bytes if | |
4005 | * the feature capability data exceeds the string buffer size. | |
4006 | */ | |
4007 | if (!feat_cap || !feat_cap_len || buf_len < sizeof(pref) + 2) | |
4008 | return; | |
4009 | ||
4010 | os_memcpy(buf, pref, sizeof(pref)); | |
4011 | ret = wpa_snprintf_hex(&buf[sizeof(pref) - 1], | |
4012 | buf_len - sizeof(pref) + 1, | |
4013 | feat_cap, feat_cap_len); | |
4014 | ||
4015 | if (ret != (2 * (int) feat_cap_len)) | |
4016 | wpa_printf(MSG_WARNING, "P2PS feature_cap bytes truncated"); | |
4017 | } | |
4018 | ||
4019 | ||
5fefce27 KV |
4020 | static void wpas_p2ps_prov_complete(void *ctx, u8 status, const u8 *dev, |
4021 | const u8 *adv_mac, const u8 *ses_mac, | |
4022 | const u8 *grp_mac, u32 adv_id, u32 ses_id, | |
4023 | u8 conncap, int passwd_id, | |
4024 | const u8 *persist_ssid, | |
4025 | size_t persist_ssid_size, int response_done, | |
88f3d7c9 | 4026 | int prov_start, const char *session_info, |
8bb8e6ed | 4027 | const u8 *feat_cap, size_t feat_cap_len, |
aa256cb3 JM |
4028 | unsigned int freq, |
4029 | const u8 *group_ssid, size_t group_ssid_len) | |
5fefce27 KV |
4030 | { |
4031 | struct wpa_supplicant *wpa_s = ctx; | |
4032 | u8 mac[ETH_ALEN]; | |
cd571e14 | 4033 | struct wpa_ssid *persistent_go, *stale, *s = NULL; |
5fefce27 KV |
4034 | int save_config = 0; |
4035 | struct wpa_supplicant *go_wpa_s; | |
88f3d7c9 | 4036 | char feat_cap_str[256]; |
5fefce27 KV |
4037 | |
4038 | if (!dev) | |
4039 | return; | |
4040 | ||
4041 | os_memset(mac, 0, ETH_ALEN); | |
4042 | if (!adv_mac) | |
4043 | adv_mac = mac; | |
4044 | if (!ses_mac) | |
4045 | ses_mac = mac; | |
4046 | if (!grp_mac) | |
4047 | grp_mac = mac; | |
4048 | ||
88f3d7c9 MS |
4049 | wpas_p2ps_get_feat_cap_str(feat_cap_str, sizeof(feat_cap_str), |
4050 | feat_cap, feat_cap_len); | |
4051 | ||
5fefce27 KV |
4052 | if (prov_start) { |
4053 | if (session_info == NULL) { | |
4054 | wpa_msg_global(wpa_s, MSG_INFO, | |
4055 | P2P_EVENT_P2PS_PROVISION_START MACSTR | |
4056 | " adv_id=%x conncap=%x" | |
4057 | " adv_mac=" MACSTR | |
4058 | " session=%x mac=" MACSTR | |
88f3d7c9 | 4059 | " dev_passwd_id=%d%s", |
5fefce27 KV |
4060 | MAC2STR(dev), adv_id, conncap, |
4061 | MAC2STR(adv_mac), | |
4062 | ses_id, MAC2STR(ses_mac), | |
88f3d7c9 | 4063 | passwd_id, feat_cap_str); |
5fefce27 KV |
4064 | } else { |
4065 | wpa_msg_global(wpa_s, MSG_INFO, | |
4066 | P2P_EVENT_P2PS_PROVISION_START MACSTR | |
4067 | " adv_id=%x conncap=%x" | |
4068 | " adv_mac=" MACSTR | |
4069 | " session=%x mac=" MACSTR | |
88f3d7c9 | 4070 | " dev_passwd_id=%d info='%s'%s", |
5fefce27 KV |
4071 | MAC2STR(dev), adv_id, conncap, |
4072 | MAC2STR(adv_mac), | |
4073 | ses_id, MAC2STR(ses_mac), | |
88f3d7c9 | 4074 | passwd_id, session_info, feat_cap_str); |
5fefce27 KV |
4075 | } |
4076 | return; | |
4077 | } | |
4078 | ||
4079 | go_wpa_s = wpas_p2p_get_go_group(wpa_s); | |
4080 | persistent_go = wpas_p2p_get_persistent_go(wpa_s); | |
4081 | ||
4082 | if (status && status != P2P_SC_SUCCESS_DEFERRED) { | |
4083 | if (go_wpa_s && !p2p_group_go_member_count(wpa_s)) | |
4084 | wpas_p2p_group_remove(wpa_s, go_wpa_s->ifname); | |
4085 | ||
4086 | if (persistent_go && !persistent_go->num_p2p_clients) { | |
4087 | /* remove empty persistent GO */ | |
19c3a9a8 JM |
4088 | wpa_dbg(wpa_s, MSG_DEBUG, |
4089 | "P2P: Remove empty persistent group id=%d", | |
4090 | persistent_go->id); | |
4091 | wpas_notify_persistent_group_removed(wpa_s, | |
4092 | persistent_go); | |
5fefce27 KV |
4093 | wpa_config_remove_network(wpa_s->conf, |
4094 | persistent_go->id); | |
4095 | } | |
4096 | ||
4097 | wpa_msg_global(wpa_s, MSG_INFO, | |
4098 | P2P_EVENT_P2PS_PROVISION_DONE MACSTR | |
4099 | " status=%d" | |
4100 | " adv_id=%x adv_mac=" MACSTR | |
88f3d7c9 | 4101 | " session=%x mac=" MACSTR "%s", |
5fefce27 KV |
4102 | MAC2STR(dev), status, |
4103 | adv_id, MAC2STR(adv_mac), | |
88f3d7c9 | 4104 | ses_id, MAC2STR(ses_mac), feat_cap_str); |
5fefce27 KV |
4105 | return; |
4106 | } | |
4107 | ||
4108 | /* Clean up stale persistent groups with this device */ | |
cd571e14 MS |
4109 | if (persist_ssid && persist_ssid_size) |
4110 | s = wpas_p2p_get_persistent(wpa_s, dev, persist_ssid, | |
4111 | persist_ssid_size); | |
1f14e2bf AO |
4112 | |
4113 | if (persist_ssid && s && s->mode != WPAS_MODE_P2P_GO && | |
2a098e36 | 4114 | is_zero_ether_addr(grp_mac)) { |
1f14e2bf AO |
4115 | wpa_dbg(wpa_s, MSG_ERROR, |
4116 | "P2P: Peer device is a GO in a persistent group, but it did not provide the intended MAC address"); | |
4117 | return; | |
4118 | } | |
4119 | ||
5fefce27 KV |
4120 | for (;;) { |
4121 | stale = wpas_p2p_get_persistent(wpa_s, dev, NULL, 0); | |
4122 | if (!stale) | |
4123 | break; | |
4124 | ||
4125 | if (s && s->ssid_len == stale->ssid_len && | |
4126 | os_memcmp(stale->bssid, s->bssid, ETH_ALEN) == 0 && | |
4127 | os_memcmp(stale->ssid, s->ssid, s->ssid_len) == 0) | |
4128 | break; | |
4129 | ||
4130 | /* Remove stale persistent group */ | |
4131 | if (stale->mode != WPAS_MODE_P2P_GO || | |
4132 | stale->num_p2p_clients <= 1) { | |
19c3a9a8 JM |
4133 | wpa_dbg(wpa_s, MSG_DEBUG, |
4134 | "P2P: Remove stale persistent group id=%d", | |
4135 | stale->id); | |
4136 | wpas_notify_persistent_group_removed(wpa_s, stale); | |
5fefce27 KV |
4137 | wpa_config_remove_network(wpa_s->conf, stale->id); |
4138 | } else { | |
4139 | size_t i; | |
4140 | ||
4141 | for (i = 0; i < stale->num_p2p_clients; i++) { | |
4142 | if (os_memcmp(stale->p2p_client_list + | |
4143 | i * ETH_ALEN, | |
4144 | dev, ETH_ALEN) == 0) { | |
4145 | os_memmove(stale->p2p_client_list + | |
4146 | i * ETH_ALEN, | |
4147 | stale->p2p_client_list + | |
4148 | (i + 1) * ETH_ALEN, | |
4149 | (stale->num_p2p_clients - | |
4150 | i - 1) * ETH_ALEN); | |
4151 | break; | |
4152 | } | |
4153 | } | |
4154 | stale->num_p2p_clients--; | |
4155 | } | |
4156 | save_config = 1; | |
4157 | } | |
4158 | ||
4159 | if (save_config) | |
4160 | p2p_config_write(wpa_s); | |
4161 | ||
4162 | if (s) { | |
4163 | if (go_wpa_s && !p2p_group_go_member_count(wpa_s)) | |
4164 | wpas_p2p_group_remove(wpa_s, go_wpa_s->ifname); | |
4165 | ||
4166 | if (persistent_go && s != persistent_go && | |
4167 | !persistent_go->num_p2p_clients) { | |
4168 | /* remove empty persistent GO */ | |
19c3a9a8 JM |
4169 | wpa_dbg(wpa_s, MSG_DEBUG, |
4170 | "P2P: Remove empty persistent group id=%d", | |
4171 | persistent_go->id); | |
4172 | wpas_notify_persistent_group_removed(wpa_s, | |
4173 | persistent_go); | |
5fefce27 KV |
4174 | wpa_config_remove_network(wpa_s->conf, |
4175 | persistent_go->id); | |
4176 | /* Save config */ | |
4177 | } | |
4178 | ||
4179 | wpa_msg_global(wpa_s, MSG_INFO, | |
4180 | P2P_EVENT_P2PS_PROVISION_DONE MACSTR | |
4181 | " status=%d" | |
4182 | " adv_id=%x adv_mac=" MACSTR | |
4183 | " session=%x mac=" MACSTR | |
88f3d7c9 | 4184 | " persist=%d%s", |
5fefce27 KV |
4185 | MAC2STR(dev), status, |
4186 | adv_id, MAC2STR(adv_mac), | |
88f3d7c9 | 4187 | ses_id, MAC2STR(ses_mac), s->id, feat_cap_str); |
5fefce27 KV |
4188 | return; |
4189 | } | |
4190 | ||
710c6923 AO |
4191 | wpa_s->global->pending_p2ps_group = 0; |
4192 | wpa_s->global->pending_p2ps_group_freq = 0; | |
4193 | ||
5fefce27 | 4194 | if (conncap == P2PS_SETUP_GROUP_OWNER) { |
23bb9828 AO |
4195 | /* |
4196 | * We need to copy the interface name. Simply saving a | |
4197 | * pointer isn't enough, since if we use pending_interface_name | |
4198 | * it will be overwritten when the group is added. | |
4199 | */ | |
4200 | char go_ifname[100]; | |
4201 | ||
4202 | go_ifname[0] = '\0'; | |
5fefce27 | 4203 | if (!go_wpa_s) { |
710c6923 AO |
4204 | if (!response_done) { |
4205 | wpa_s->global->pending_p2ps_group = 1; | |
4206 | wpa_s->global->pending_p2ps_group_freq = freq; | |
4207 | } | |
5fefce27 | 4208 | |
a698d6c8 | 4209 | if (!wpas_p2p_create_iface(wpa_s)) |
23bb9828 AO |
4210 | os_memcpy(go_ifname, wpa_s->ifname, |
4211 | sizeof(go_ifname)); | |
5fefce27 | 4212 | else if (wpa_s->pending_interface_name[0]) |
23bb9828 AO |
4213 | os_memcpy(go_ifname, |
4214 | wpa_s->pending_interface_name, | |
4215 | sizeof(go_ifname)); | |
5fefce27 | 4216 | |
23bb9828 | 4217 | if (!go_ifname[0]) { |
5fefce27 KV |
4218 | wpas_p2ps_prov_complete( |
4219 | wpa_s, P2P_SC_FAIL_UNKNOWN_GROUP, | |
4220 | dev, adv_mac, ses_mac, | |
2a098e36 | 4221 | grp_mac, adv_id, ses_id, 0, 0, |
aa256cb3 JM |
4222 | NULL, 0, 0, 0, NULL, NULL, 0, 0, |
4223 | NULL, 0); | |
5fefce27 KV |
4224 | return; |
4225 | } | |
4226 | ||
4227 | /* If PD Resp complete, start up the GO */ | |
4228 | if (response_done && persistent_go) { | |
4229 | wpas_p2p_group_add_persistent( | |
4230 | wpa_s, persistent_go, | |
5a3319ab | 4231 | 0, 0, freq, 0, 0, 0, 0, 0, NULL, |
5fefce27 KV |
4232 | persistent_go->mode == |
4233 | WPAS_MODE_P2P_GO ? | |
4234 | P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE : | |
dfaf11d6 | 4235 | 0, 0); |
5fefce27 | 4236 | } else if (response_done) { |
5a3319ab PX |
4237 | wpas_p2p_group_add(wpa_s, 1, freq, |
4238 | 0, 0, 0, 0, 0); | |
5fefce27 | 4239 | } |
306aaf49 KV |
4240 | |
4241 | if (passwd_id == DEV_PW_P2PS_DEFAULT) { | |
b9da88d6 AO |
4242 | os_memcpy(wpa_s->p2ps_join_addr, grp_mac, |
4243 | ETH_ALEN); | |
4244 | wpa_s->p2ps_method_config_any = 1; | |
306aaf49 | 4245 | } |
5fefce27 | 4246 | } else if (passwd_id == DEV_PW_P2PS_DEFAULT) { |
23bb9828 AO |
4247 | os_memcpy(go_ifname, go_wpa_s->ifname, |
4248 | sizeof(go_ifname)); | |
5fefce27 | 4249 | |
b9da88d6 AO |
4250 | if (is_zero_ether_addr(grp_mac)) { |
4251 | wpa_dbg(go_wpa_s, MSG_DEBUG, | |
4252 | "P2P: Setting PIN-1 for ANY"); | |
4253 | wpa_supplicant_ap_wps_pin(go_wpa_s, NULL, | |
4254 | "12345670", NULL, 0, | |
4255 | 0); | |
4256 | } else { | |
4257 | wpa_dbg(go_wpa_s, MSG_DEBUG, | |
4258 | "P2P: Setting PIN-1 for " MACSTR, | |
4259 | MAC2STR(grp_mac)); | |
4260 | wpa_supplicant_ap_wps_pin(go_wpa_s, grp_mac, | |
4261 | "12345670", NULL, 0, | |
4262 | 0); | |
4263 | } | |
306aaf49 | 4264 | |
b9da88d6 AO |
4265 | os_memcpy(wpa_s->p2ps_join_addr, grp_mac, ETH_ALEN); |
4266 | wpa_s->p2ps_method_config_any = 1; | |
5fefce27 KV |
4267 | } |
4268 | ||
4269 | wpa_msg_global(wpa_s, MSG_INFO, | |
4270 | P2P_EVENT_P2PS_PROVISION_DONE MACSTR | |
4271 | " status=%d conncap=%x" | |
4272 | " adv_id=%x adv_mac=" MACSTR | |
4273 | " session=%x mac=" MACSTR | |
88f3d7c9 | 4274 | " dev_passwd_id=%d go=%s%s", |
5fefce27 KV |
4275 | MAC2STR(dev), status, conncap, |
4276 | adv_id, MAC2STR(adv_mac), | |
4277 | ses_id, MAC2STR(ses_mac), | |
88f3d7c9 | 4278 | passwd_id, go_ifname, feat_cap_str); |
5fefce27 KV |
4279 | return; |
4280 | } | |
4281 | ||
4282 | if (go_wpa_s && !p2p_group_go_member_count(wpa_s)) | |
4283 | wpas_p2p_group_remove(wpa_s, go_wpa_s->ifname); | |
4284 | ||
4285 | if (persistent_go && !persistent_go->num_p2p_clients) { | |
4286 | /* remove empty persistent GO */ | |
19c3a9a8 JM |
4287 | wpa_dbg(wpa_s, MSG_DEBUG, |
4288 | "P2P: Remove empty persistent group id=%d", | |
4289 | persistent_go->id); | |
4290 | wpas_notify_persistent_group_removed(wpa_s, persistent_go); | |
5fefce27 KV |
4291 | wpa_config_remove_network(wpa_s->conf, persistent_go->id); |
4292 | } | |
4293 | ||
4294 | if (conncap == P2PS_SETUP_CLIENT) { | |
aa256cb3 JM |
4295 | char ssid_hex[32 * 2 + 1]; |
4296 | ||
4297 | if (group_ssid) | |
4298 | wpa_snprintf_hex(ssid_hex, sizeof(ssid_hex), | |
4299 | group_ssid, group_ssid_len); | |
4300 | else | |
4301 | ssid_hex[0] = '\0'; | |
5fefce27 KV |
4302 | wpa_msg_global(wpa_s, MSG_INFO, |
4303 | P2P_EVENT_P2PS_PROVISION_DONE MACSTR | |
4304 | " status=%d conncap=%x" | |
4305 | " adv_id=%x adv_mac=" MACSTR | |
4306 | " session=%x mac=" MACSTR | |
aa256cb3 | 4307 | " dev_passwd_id=%d join=" MACSTR "%s%s%s", |
5fefce27 KV |
4308 | MAC2STR(dev), status, conncap, |
4309 | adv_id, MAC2STR(adv_mac), | |
4310 | ses_id, MAC2STR(ses_mac), | |
aa256cb3 JM |
4311 | passwd_id, MAC2STR(grp_mac), feat_cap_str, |
4312 | group_ssid ? " group_ssid=" : "", ssid_hex); | |
5fefce27 KV |
4313 | } else { |
4314 | wpa_msg_global(wpa_s, MSG_INFO, | |
4315 | P2P_EVENT_P2PS_PROVISION_DONE MACSTR | |
4316 | " status=%d conncap=%x" | |
4317 | " adv_id=%x adv_mac=" MACSTR | |
4318 | " session=%x mac=" MACSTR | |
88f3d7c9 | 4319 | " dev_passwd_id=%d%s", |
5fefce27 KV |
4320 | MAC2STR(dev), status, conncap, |
4321 | adv_id, MAC2STR(adv_mac), | |
4322 | ses_id, MAC2STR(ses_mac), | |
88f3d7c9 | 4323 | passwd_id, feat_cap_str); |
5fefce27 KV |
4324 | } |
4325 | } | |
4326 | ||
4327 | ||
0f1034e3 SD |
4328 | static int _wpas_p2p_in_progress(void *ctx) |
4329 | { | |
4330 | struct wpa_supplicant *wpa_s = ctx; | |
4331 | return wpas_p2p_in_progress(wpa_s); | |
4332 | } | |
4333 | ||
4334 | ||
9a58e521 KV |
4335 | static int wpas_prov_disc_resp_cb(void *ctx) |
4336 | { | |
4337 | struct wpa_supplicant *wpa_s = ctx; | |
4338 | struct wpa_ssid *persistent_go; | |
8bb8e6ed | 4339 | unsigned int freq; |
9a58e521 KV |
4340 | |
4341 | if (!wpa_s->global->pending_p2ps_group) | |
4342 | return 0; | |
4343 | ||
8bb8e6ed IP |
4344 | freq = wpa_s->global->pending_p2ps_group_freq; |
4345 | wpa_s->global->pending_p2ps_group_freq = 0; | |
9a58e521 KV |
4346 | wpa_s->global->pending_p2ps_group = 0; |
4347 | ||
4348 | if (wpas_p2p_get_go_group(wpa_s)) | |
4349 | return 0; | |
4350 | persistent_go = wpas_p2p_get_persistent_go(wpa_s); | |
4351 | ||
4352 | if (persistent_go) { | |
4353 | wpas_p2p_group_add_persistent( | |
5a3319ab | 4354 | wpa_s, persistent_go, 0, 0, 0, 0, 0, 0, 0, 0, NULL, |
9a58e521 | 4355 | persistent_go->mode == WPAS_MODE_P2P_GO ? |
dfaf11d6 | 4356 | P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE : 0, 0); |
9a58e521 | 4357 | } else { |
5a3319ab | 4358 | wpas_p2p_group_add(wpa_s, 1, freq, 0, 0, 0, 0, 0); |
9a58e521 KV |
4359 | } |
4360 | ||
4361 | return 1; | |
4362 | } | |
4363 | ||
4364 | ||
fc71f7d9 AK |
4365 | static int wpas_p2p_get_pref_freq_list(void *ctx, int go, |
4366 | unsigned int *len, | |
4367 | unsigned int *freq_list) | |
4368 | { | |
4369 | struct wpa_supplicant *wpa_s = ctx; | |
4370 | ||
4371 | return wpa_drv_get_pref_freq_list(wpa_s, go ? WPA_IF_P2P_GO : | |
4372 | WPA_IF_P2P_CLIENT, len, freq_list); | |
4373 | } | |
4374 | ||
4375 | ||
9359cc84 JC |
4376 | int wpas_p2p_mac_setup(struct wpa_supplicant *wpa_s) |
4377 | { | |
4378 | u8 addr[ETH_ALEN] = {0}; | |
4379 | ||
4380 | if (wpa_s->conf->p2p_device_random_mac_addr == 0) | |
4381 | return 0; | |
4382 | ||
4383 | if (!wpa_s->conf->ssid) { | |
4384 | if (random_mac_addr(addr) < 0) { | |
4385 | wpa_msg(wpa_s, MSG_INFO, | |
4386 | "Failed to generate random MAC address"); | |
4387 | return -EINVAL; | |
4388 | } | |
4389 | ||
4390 | /* Store generated MAC address. */ | |
4391 | os_memcpy(wpa_s->conf->p2p_device_persistent_mac_addr, addr, | |
4392 | ETH_ALEN); | |
4393 | } else { | |
4394 | /* If there are existing saved groups, restore last MAC address. | |
4395 | * if there is no last used MAC address, the last one is | |
4396 | * factory MAC. */ | |
4397 | if (is_zero_ether_addr( | |
4398 | wpa_s->conf->p2p_device_persistent_mac_addr)) | |
4399 | return 0; | |
4400 | os_memcpy(addr, wpa_s->conf->p2p_device_persistent_mac_addr, | |
4401 | ETH_ALEN); | |
4402 | wpa_msg(wpa_s, MSG_DEBUG, "Restore last used MAC address."); | |
4403 | } | |
4404 | ||
4405 | if (wpa_drv_set_mac_addr(wpa_s, addr) < 0) { | |
4406 | wpa_msg(wpa_s, MSG_INFO, | |
4407 | "Failed to set random MAC address"); | |
4408 | return -EINVAL; | |
4409 | } | |
4410 | ||
4411 | if (wpa_supplicant_update_mac_addr(wpa_s) < 0) { | |
4412 | wpa_msg(wpa_s, MSG_INFO, | |
4413 | "Could not update MAC address information"); | |
4414 | return -EINVAL; | |
4415 | } | |
4416 | ||
4417 | wpa_msg(wpa_s, MSG_DEBUG, "Using random MAC address " MACSTR, | |
4418 | MAC2STR(addr)); | |
4419 | ||
4420 | return 0; | |
4421 | } | |
4422 | ||
4423 | ||
b22128ef JM |
4424 | /** |
4425 | * wpas_p2p_init - Initialize P2P module for %wpa_supplicant | |
4426 | * @global: Pointer to global data from wpa_supplicant_init() | |
4427 | * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface() | |
4428 | * Returns: 0 on success, -1 on failure | |
4429 | */ | |
4430 | int wpas_p2p_init(struct wpa_global *global, struct wpa_supplicant *wpa_s) | |
4431 | { | |
4432 | struct p2p_config p2p; | |
f95cac27 | 4433 | int i; |
b22128ef | 4434 | |
f2b3f4de SS |
4435 | if (wpa_s->conf->p2p_disabled) |
4436 | return 0; | |
4437 | ||
b22128ef JM |
4438 | if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE)) |
4439 | return 0; | |
4440 | ||
b22128ef JM |
4441 | if (global->p2p) |
4442 | return 0; | |
4443 | ||
9359cc84 JC |
4444 | if (wpas_p2p_mac_setup(wpa_s) < 0) { |
4445 | wpa_msg(wpa_s, MSG_ERROR, | |
4446 | "Failed to initialize P2P random MAC address."); | |
4447 | return -1; | |
4448 | } | |
4449 | ||
b22128ef | 4450 | os_memset(&p2p, 0, sizeof(p2p)); |
b22128ef | 4451 | p2p.cb_ctx = wpa_s; |
ed496f13 | 4452 | p2p.debug_print = wpas_p2p_debug_print; |
b22128ef JM |
4453 | p2p.p2p_scan = wpas_p2p_scan; |
4454 | p2p.send_action = wpas_send_action; | |
4455 | p2p.send_action_done = wpas_send_action_done; | |
4456 | p2p.go_neg_completed = wpas_go_neg_completed; | |
4457 | p2p.go_neg_req_rx = wpas_go_neg_req_rx; | |
4458 | p2p.dev_found = wpas_dev_found; | |
56eeb8f2 | 4459 | p2p.dev_lost = wpas_dev_lost; |
710ae9ac | 4460 | p2p.find_stopped = wpas_find_stopped; |
b22128ef JM |
4461 | p2p.start_listen = wpas_start_listen; |
4462 | p2p.stop_listen = wpas_stop_listen; | |
4463 | p2p.send_probe_resp = wpas_send_probe_resp; | |
4464 | p2p.sd_request = wpas_sd_request; | |
4465 | p2p.sd_response = wpas_sd_response; | |
4466 | p2p.prov_disc_req = wpas_prov_disc_req; | |
4467 | p2p.prov_disc_resp = wpas_prov_disc_resp; | |
dd8a7e05 | 4468 | p2p.prov_disc_fail = wpas_prov_disc_fail; |
b22128ef JM |
4469 | p2p.invitation_process = wpas_invitation_process; |
4470 | p2p.invitation_received = wpas_invitation_received; | |
4471 | p2p.invitation_result = wpas_invitation_result; | |
4472 | p2p.get_noa = wpas_get_noa; | |
b1aebbc4 | 4473 | p2p.go_connected = wpas_go_connected; |
c64e3a08 | 4474 | p2p.presence_resp = wpas_presence_resp; |
a2d63657 | 4475 | p2p.is_concurrent_session_active = wpas_is_concurrent_session_active; |
0f1034e3 | 4476 | p2p.is_p2p_in_progress = _wpas_p2p_in_progress; |
369678ad KV |
4477 | p2p.get_persistent_group = wpas_get_persistent_group; |
4478 | p2p.get_go_info = wpas_get_go_info; | |
895d94de | 4479 | p2p.remove_stale_groups = wpas_remove_stale_groups; |
5fefce27 | 4480 | p2p.p2ps_prov_complete = wpas_p2ps_prov_complete; |
9a58e521 | 4481 | p2p.prov_disc_resp_cb = wpas_prov_disc_resp_cb; |
1300cc8e | 4482 | p2p.p2ps_group_capability = p2ps_group_capability; |
fc71f7d9 | 4483 | p2p.get_pref_freq_list = wpas_p2p_get_pref_freq_list; |
b22128ef JM |
4484 | |
4485 | os_memcpy(wpa_s->global->p2p_dev_addr, wpa_s->own_addr, ETH_ALEN); | |
d7e70476 | 4486 | os_memcpy(p2p.dev_addr, wpa_s->global->p2p_dev_addr, ETH_ALEN); |
b22128ef | 4487 | p2p.dev_name = wpa_s->conf->device_name; |
b6e01800 JM |
4488 | p2p.manufacturer = wpa_s->conf->manufacturer; |
4489 | p2p.model_name = wpa_s->conf->model_name; | |
4490 | p2p.model_number = wpa_s->conf->model_number; | |
4491 | p2p.serial_number = wpa_s->conf->serial_number; | |
4492 | if (wpa_s->wps) { | |
4493 | os_memcpy(p2p.uuid, wpa_s->wps->uuid, 16); | |
4494 | p2p.config_methods = wpa_s->wps->config_methods; | |
4495 | } | |
b22128ef | 4496 | |
1595eb93 AM |
4497 | if (wpas_p2p_setup_channels(wpa_s, &p2p.channels, &p2p.cli_channels)) { |
4498 | wpa_printf(MSG_ERROR, | |
4499 | "P2P: Failed to configure supported channel list"); | |
4500 | return -1; | |
4501 | } | |
4502 | ||
b22128ef JM |
4503 | if (wpa_s->conf->p2p_listen_reg_class && |
4504 | wpa_s->conf->p2p_listen_channel) { | |
4505 | p2p.reg_class = wpa_s->conf->p2p_listen_reg_class; | |
4506 | p2p.channel = wpa_s->conf->p2p_listen_channel; | |
e3bd6e9d | 4507 | p2p.channel_forced = 1; |
b22128ef | 4508 | } else { |
b22128ef JM |
4509 | /* |
4510 | * Pick one of the social channels randomly as the listen | |
4511 | * channel. | |
4512 | */ | |
1595eb93 | 4513 | if (p2p_config_get_random_social(&p2p, &p2p.reg_class, |
59fa2053 PK |
4514 | &p2p.channel, |
4515 | &global->p2p_go_avoid_freq, | |
4516 | &global->p2p_disallow_freq) != | |
4517 | 0) { | |
5678a2d8 JM |
4518 | wpa_printf(MSG_INFO, |
4519 | "P2P: No social channels supported by the driver - do not enable P2P"); | |
4520 | return 0; | |
1595eb93 | 4521 | } |
e3bd6e9d | 4522 | p2p.channel_forced = 0; |
b22128ef | 4523 | } |
1595eb93 AM |
4524 | wpa_printf(MSG_DEBUG, "P2P: Own listen channel: %d:%d", |
4525 | p2p.reg_class, p2p.channel); | |
b22128ef JM |
4526 | |
4527 | if (wpa_s->conf->p2p_oper_reg_class && | |
4528 | wpa_s->conf->p2p_oper_channel) { | |
4529 | p2p.op_reg_class = wpa_s->conf->p2p_oper_reg_class; | |
4530 | p2p.op_channel = wpa_s->conf->p2p_oper_channel; | |
7cfc4ac3 AGS |
4531 | p2p.cfg_op_channel = 1; |
4532 | wpa_printf(MSG_DEBUG, "P2P: Configured operating channel: " | |
4533 | "%d:%d", p2p.op_reg_class, p2p.op_channel); | |
4534 | ||
b22128ef | 4535 | } else { |
b22128ef | 4536 | /* |
1595eb93 AM |
4537 | * Use random operation channel from 2.4 GHz band social |
4538 | * channels (1, 6, 11) or band 60 GHz social channel (2) if no | |
4539 | * other preference is indicated. | |
b22128ef | 4540 | */ |
1595eb93 | 4541 | if (p2p_config_get_random_social(&p2p, &p2p.op_reg_class, |
59fa2053 PK |
4542 | &p2p.op_channel, NULL, |
4543 | NULL) != 0) { | |
4544 | wpa_printf(MSG_INFO, | |
1595eb93 | 4545 | "P2P: Failed to select random social channel as operation channel"); |
59fa2053 PK |
4546 | p2p.op_reg_class = 0; |
4547 | p2p.op_channel = 0; | |
4548 | /* This will be overridden during group setup in | |
4549 | * p2p_prepare_channel(), so allow setup to continue. */ | |
1595eb93 | 4550 | } |
7cfc4ac3 AGS |
4551 | p2p.cfg_op_channel = 0; |
4552 | wpa_printf(MSG_DEBUG, "P2P: Random operating channel: " | |
4553 | "%d:%d", p2p.op_reg_class, p2p.op_channel); | |
b22128ef | 4554 | } |
010b5f9b YW |
4555 | |
4556 | if (wpa_s->conf->p2p_pref_chan && wpa_s->conf->num_p2p_pref_chan) { | |
4557 | p2p.pref_chan = wpa_s->conf->p2p_pref_chan; | |
4558 | p2p.num_pref_chan = wpa_s->conf->num_p2p_pref_chan; | |
4559 | } | |
4560 | ||
b22128ef JM |
4561 | if (wpa_s->conf->country[0] && wpa_s->conf->country[1]) { |
4562 | os_memcpy(p2p.country, wpa_s->conf->country, 2); | |
4563 | p2p.country[2] = 0x04; | |
4564 | } else | |
aaca6505 | 4565 | os_memcpy(p2p.country, "XX\x04", 3); |
b22128ef | 4566 | |
2f646b6e JB |
4567 | os_memcpy(p2p.pri_dev_type, wpa_s->conf->device_type, |
4568 | WPS_DEV_TYPE_LEN); | |
b22128ef | 4569 | |
2f646b6e JB |
4570 | p2p.num_sec_dev_types = wpa_s->conf->num_sec_device_types; |
4571 | os_memcpy(p2p.sec_dev_type, wpa_s->conf->sec_device_type, | |
4572 | p2p.num_sec_dev_types * WPS_DEV_TYPE_LEN); | |
b22128ef JM |
4573 | |
4574 | p2p.concurrent_operations = !!(wpa_s->drv_flags & | |
4575 | WPA_DRIVER_FLAGS_P2P_CONCURRENT); | |
4576 | ||
de979d8f | 4577 | p2p.max_peers = 100; |
b22128ef JM |
4578 | |
4579 | if (wpa_s->conf->p2p_ssid_postfix) { | |
4580 | p2p.ssid_postfix_len = | |
4581 | os_strlen(wpa_s->conf->p2p_ssid_postfix); | |
4582 | if (p2p.ssid_postfix_len > sizeof(p2p.ssid_postfix)) | |
4583 | p2p.ssid_postfix_len = sizeof(p2p.ssid_postfix); | |
4584 | os_memcpy(p2p.ssid_postfix, wpa_s->conf->p2p_ssid_postfix, | |
4585 | p2p.ssid_postfix_len); | |
4586 | } | |
4587 | ||
0f66abd2 SS |
4588 | p2p.p2p_intra_bss = wpa_s->conf->p2p_intra_bss; |
4589 | ||
96beff11 JM |
4590 | p2p.max_listen = wpa_s->max_remain_on_chan; |
4591 | ||
1b928f96 JM |
4592 | if (wpa_s->conf->p2p_passphrase_len >= 8 && |
4593 | wpa_s->conf->p2p_passphrase_len <= 63) | |
4594 | p2p.passphrase_len = wpa_s->conf->p2p_passphrase_len; | |
4595 | else | |
4596 | p2p.passphrase_len = 8; | |
4597 | ||
b22128ef JM |
4598 | global->p2p = p2p_init(&p2p); |
4599 | if (global->p2p == NULL) | |
4600 | return -1; | |
ab28911d | 4601 | global->p2p_init_wpa_s = wpa_s; |
b22128ef | 4602 | |
f95cac27 JMB |
4603 | for (i = 0; i < MAX_WPS_VENDOR_EXT; i++) { |
4604 | if (wpa_s->conf->wps_vendor_ext[i] == NULL) | |
4605 | continue; | |
4606 | p2p_add_wps_vendor_extension( | |
4607 | global->p2p, wpa_s->conf->wps_vendor_ext[i]); | |
4608 | } | |
4609 | ||
556b30da JM |
4610 | p2p_set_no_go_freq(global->p2p, &wpa_s->conf->p2p_no_go_freq); |
4611 | ||
b22128ef JM |
4612 | return 0; |
4613 | } | |
4614 | ||
4615 | ||
4616 | /** | |
4617 | * wpas_p2p_deinit - Deinitialize per-interface P2P data | |
4618 | * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface() | |
4619 | * | |
4620 | * This function deinitialize per-interface P2P data. | |
4621 | */ | |
4622 | void wpas_p2p_deinit(struct wpa_supplicant *wpa_s) | |
4623 | { | |
4624 | if (wpa_s->driver && wpa_s->drv_priv) | |
4625 | wpa_drv_probe_req_report(wpa_s, 0); | |
ec437d9e JJ |
4626 | |
4627 | if (wpa_s->go_params) { | |
4628 | /* Clear any stored provisioning info */ | |
4629 | p2p_clear_provisioning_info( | |
4630 | wpa_s->global->p2p, | |
10531d21 | 4631 | wpa_s->go_params->peer_device_addr); |
ec437d9e JJ |
4632 | } |
4633 | ||
b22128ef JM |
4634 | os_free(wpa_s->go_params); |
4635 | wpa_s->go_params = NULL; | |
fb2ac53d | 4636 | eloop_cancel_timeout(wpas_p2p_psk_failure_removal, wpa_s, NULL); |
b22128ef | 4637 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL); |
ef922c4a | 4638 | eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL); |
b22128ef JM |
4639 | wpa_s->p2p_long_listen = 0; |
4640 | eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL); | |
3071e181 | 4641 | eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL); |
b22128ef | 4642 | wpas_p2p_remove_pending_group_interface(wpa_s); |
8567866d | 4643 | eloop_cancel_timeout(wpas_p2p_group_freq_conflict, wpa_s, NULL); |
e1d1c8e2 | 4644 | wpas_p2p_listen_work_done(wpa_s); |
e05e1308 JM |
4645 | if (wpa_s->p2p_send_action_work) { |
4646 | os_free(wpa_s->p2p_send_action_work->ctx); | |
4647 | radio_work_done(wpa_s->p2p_send_action_work); | |
4648 | wpa_s->p2p_send_action_work = NULL; | |
4649 | } | |
4650 | eloop_cancel_timeout(wpas_p2p_send_action_work_timeout, wpa_s, NULL); | |
b22128ef | 4651 | |
db6ae69e JM |
4652 | wpabuf_free(wpa_s->p2p_oob_dev_pw); |
4653 | wpa_s->p2p_oob_dev_pw = NULL; | |
4654 | ||
20beb96f IP |
4655 | os_free(wpa_s->p2p_group_common_freqs); |
4656 | wpa_s->p2p_group_common_freqs = NULL; | |
4657 | wpa_s->p2p_group_common_freqs_num = 0; | |
4658 | ||
b22128ef JM |
4659 | /* TODO: remove group interface from the driver if this wpa_s instance |
4660 | * is on top of a P2P group interface */ | |
4661 | } | |
4662 | ||
4663 | ||
4664 | /** | |
4665 | * wpas_p2p_deinit_global - Deinitialize global P2P module | |
4666 | * @global: Pointer to global data from wpa_supplicant_init() | |
4667 | * | |
4668 | * This function deinitializes the global (per device) P2P module. | |
4669 | */ | |
bd10d938 | 4670 | static void wpas_p2p_deinit_global(struct wpa_global *global) |
b22128ef JM |
4671 | { |
4672 | struct wpa_supplicant *wpa_s, *tmp; | |
b22128ef | 4673 | |
bf428a73 | 4674 | wpa_s = global->ifaces; |
ee285df4 EA |
4675 | |
4676 | wpas_p2p_service_flush(global->p2p_init_wpa_s); | |
bf428a73 | 4677 | |
b22128ef | 4678 | /* Remove remaining P2P group interfaces */ |
b22128ef JM |
4679 | while (wpa_s && wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE) |
4680 | wpa_s = wpa_s->next; | |
4681 | while (wpa_s) { | |
b22128ef JM |
4682 | tmp = global->ifaces; |
4683 | while (tmp && | |
4684 | (tmp == wpa_s || | |
4685 | tmp->p2p_group_interface == NOT_P2P_GROUP_INTERFACE)) { | |
4686 | tmp = tmp->next; | |
4687 | } | |
4688 | if (tmp == NULL) | |
4689 | break; | |
103b8f4d NS |
4690 | /* Disconnect from the P2P group and deinit the interface */ |
4691 | wpas_p2p_disconnect(tmp); | |
b22128ef JM |
4692 | } |
4693 | ||
743ef799 JM |
4694 | /* |
4695 | * Deinit GO data on any possibly remaining interface (if main | |
4696 | * interface is used as GO). | |
4697 | */ | |
4698 | for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) { | |
4699 | if (wpa_s->ap_iface) | |
4700 | wpas_p2p_group_deinit(wpa_s); | |
4701 | } | |
4702 | ||
b22128ef JM |
4703 | p2p_deinit(global->p2p); |
4704 | global->p2p = NULL; | |
ab28911d | 4705 | global->p2p_init_wpa_s = NULL; |
b22128ef JM |
4706 | } |
4707 | ||
4708 | ||
4709 | static int wpas_p2p_create_iface(struct wpa_supplicant *wpa_s) | |
4710 | { | |
96a26ab7 | 4711 | if (wpa_s->conf->p2p_no_group_iface) |
d76cd41a | 4712 | return 0; /* separate interface disabled per configuration */ |
971e357f JM |
4713 | if (wpa_s->drv_flags & |
4714 | (WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE | | |
4715 | WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P)) | |
b22128ef JM |
4716 | return 1; /* P2P group requires a new interface in every case |
4717 | */ | |
4718 | if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CONCURRENT)) | |
4719 | return 0; /* driver does not support concurrent operations */ | |
4720 | if (wpa_s->global->ifaces->next) | |
4721 | return 1; /* more that one interface already in use */ | |
4722 | if (wpa_s->wpa_state >= WPA_AUTHENTICATING) | |
4723 | return 1; /* this interface is already in use */ | |
4724 | return 0; | |
4725 | } | |
4726 | ||
4727 | ||
4728 | static int wpas_p2p_start_go_neg(struct wpa_supplicant *wpa_s, | |
4729 | const u8 *peer_addr, | |
4730 | enum p2p_wps_method wps_method, | |
4731 | int go_intent, const u8 *own_interface_addr, | |
23c84252 | 4732 | unsigned int force_freq, int persistent_group, |
04a3e69d | 4733 | struct wpa_ssid *ssid, unsigned int pref_freq) |
b22128ef | 4734 | { |
acc247b2 JM |
4735 | if (persistent_group && wpa_s->conf->persistent_reconnect) |
4736 | persistent_group = 2; | |
4737 | ||
4f219667 JM |
4738 | /* |
4739 | * Increase GO config timeout if HT40 is used since it takes some time | |
4740 | * to scan channels for coex purposes before the BSS can be started. | |
4741 | */ | |
4742 | p2p_set_config_timeout(wpa_s->global->p2p, | |
4743 | wpa_s->p2p_go_ht40 ? 255 : 100, 20); | |
4744 | ||
b22128ef JM |
4745 | return p2p_connect(wpa_s->global->p2p, peer_addr, wps_method, |
4746 | go_intent, own_interface_addr, force_freq, | |
23c84252 | 4747 | persistent_group, ssid ? ssid->ssid : NULL, |
3bc462cb | 4748 | ssid ? ssid->ssid_len : 0, |
db6ae69e JM |
4749 | wpa_s->p2p_pd_before_go_neg, pref_freq, |
4750 | wps_method == WPS_NFC ? wpa_s->p2p_oob_dev_pw_id : | |
4751 | 0); | |
b22128ef JM |
4752 | } |
4753 | ||
4754 | ||
4755 | static int wpas_p2p_auth_go_neg(struct wpa_supplicant *wpa_s, | |
4756 | const u8 *peer_addr, | |
4757 | enum p2p_wps_method wps_method, | |
4758 | int go_intent, const u8 *own_interface_addr, | |
23c84252 | 4759 | unsigned int force_freq, int persistent_group, |
04a3e69d | 4760 | struct wpa_ssid *ssid, unsigned int pref_freq) |
b22128ef | 4761 | { |
acc247b2 JM |
4762 | if (persistent_group && wpa_s->conf->persistent_reconnect) |
4763 | persistent_group = 2; | |
4764 | ||
b22128ef JM |
4765 | return p2p_authorize(wpa_s->global->p2p, peer_addr, wps_method, |
4766 | go_intent, own_interface_addr, force_freq, | |
23c84252 | 4767 | persistent_group, ssid ? ssid->ssid : NULL, |
db6ae69e JM |
4768 | ssid ? ssid->ssid_len : 0, pref_freq, |
4769 | wps_method == WPS_NFC ? wpa_s->p2p_oob_dev_pw_id : | |
4770 | 0); | |
b22128ef JM |
4771 | } |
4772 | ||
4773 | ||
9b1ab931 JM |
4774 | static void wpas_p2p_check_join_scan_limit(struct wpa_supplicant *wpa_s) |
4775 | { | |
4776 | wpa_s->p2p_join_scan_count++; | |
4777 | wpa_printf(MSG_DEBUG, "P2P: Join scan attempt %d", | |
4778 | wpa_s->p2p_join_scan_count); | |
4779 | if (wpa_s->p2p_join_scan_count > P2P_MAX_JOIN_SCAN_ATTEMPTS) { | |
4780 | wpa_printf(MSG_DEBUG, "P2P: Failed to find GO " MACSTR | |
4781 | " for join operationg - stop join attempt", | |
4782 | MAC2STR(wpa_s->pending_join_iface_addr)); | |
4783 | eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL); | |
0918c4bf JM |
4784 | if (wpa_s->p2p_auto_pd) { |
4785 | wpa_s->p2p_auto_pd = 0; | |
92c4465b JM |
4786 | wpa_msg_global(wpa_s, MSG_INFO, |
4787 | P2P_EVENT_PROV_DISC_FAILURE | |
4788 | " p2p_dev_addr=" MACSTR " status=N/A", | |
4789 | MAC2STR(wpa_s->pending_join_dev_addr)); | |
0918c4bf JM |
4790 | return; |
4791 | } | |
ba307f85 | 4792 | wpa_msg_global(wpa_s->p2pdev, MSG_INFO, |
92c4465b | 4793 | P2P_EVENT_GROUP_FORMATION_FAILURE); |
2a95fac9 | 4794 | wpas_notify_p2p_group_formation_failure(wpa_s, ""); |
9b1ab931 JM |
4795 | } |
4796 | } | |
4797 | ||
4798 | ||
4b156206 JM |
4799 | static int wpas_check_freq_conflict(struct wpa_supplicant *wpa_s, int freq) |
4800 | { | |
a0c90bb0 IP |
4801 | int res; |
4802 | unsigned int num, i; | |
4803 | struct wpa_used_freq_data *freqs; | |
4b156206 | 4804 | |
0d08efa4 IP |
4805 | if (wpas_p2p_num_unused_channels(wpa_s) > 0) { |
4806 | /* Multiple channels are supported and not all are in use */ | |
4b156206 | 4807 | return 0; |
0d08efa4 | 4808 | } |
4b156206 | 4809 | |
a0c90bb0 IP |
4810 | freqs = os_calloc(wpa_s->num_multichan_concurrent, |
4811 | sizeof(struct wpa_used_freq_data)); | |
0d08efa4 IP |
4812 | if (!freqs) |
4813 | return 1; | |
86ae2e8a | 4814 | |
0d08efa4 IP |
4815 | num = wpas_p2p_valid_oper_freqs(wpa_s, freqs, |
4816 | wpa_s->num_multichan_concurrent); | |
4b156206 | 4817 | |
0d08efa4 | 4818 | for (i = 0; i < num; i++) { |
a0c90bb0 | 4819 | if (freqs[i].freq == freq) { |
0d08efa4 IP |
4820 | wpa_printf(MSG_DEBUG, "P2P: Frequency %d MHz in use by another virtual interface and can be used", |
4821 | freq); | |
4822 | res = 0; | |
4823 | goto exit_free; | |
4824 | } | |
4b156206 JM |
4825 | } |
4826 | ||
a0c90bb0 | 4827 | wpa_printf(MSG_DEBUG, "P2P: No valid operating frequencies"); |
0d08efa4 IP |
4828 | res = 1; |
4829 | ||
4830 | exit_free: | |
4831 | os_free(freqs); | |
4832 | return res; | |
4b156206 JM |
4833 | } |
4834 | ||
4835 | ||
b31be3a0 JM |
4836 | static int wpas_p2p_peer_go(struct wpa_supplicant *wpa_s, |
4837 | const u8 *peer_dev_addr) | |
4838 | { | |
4839 | struct wpa_bss *bss; | |
4840 | int updated; | |
4841 | ||
4842 | bss = wpa_bss_get_p2p_dev_addr(wpa_s, peer_dev_addr); | |
4843 | if (bss == NULL) | |
aa9bb764 | 4844 | return -1; |
b31be3a0 JM |
4845 | if (bss->last_update_idx < wpa_s->bss_update_idx) { |
4846 | wpa_printf(MSG_DEBUG, "P2P: Peer BSS entry not updated in the " | |
4847 | "last scan"); | |
4848 | return 0; | |
4849 | } | |
4850 | ||
acb69cec JB |
4851 | updated = os_reltime_before(&wpa_s->p2p_auto_started, |
4852 | &bss->last_update); | |
b31be3a0 JM |
4853 | wpa_printf(MSG_DEBUG, "P2P: Current BSS entry for peer updated at " |
4854 | "%ld.%06ld (%supdated in last scan)", | |
4855 | bss->last_update.sec, bss->last_update.usec, | |
4856 | updated ? "": "not "); | |
4857 | ||
4858 | return updated; | |
4859 | } | |
4860 | ||
4861 | ||
ef922c4a JM |
4862 | static void wpas_p2p_scan_res_join(struct wpa_supplicant *wpa_s, |
4863 | struct wpa_scan_results *scan_res) | |
b22128ef | 4864 | { |
c48414af | 4865 | struct wpa_bss *bss = NULL; |
f8d0131a | 4866 | int freq; |
54960629 | 4867 | u8 iface_addr[ETH_ALEN]; |
b22128ef | 4868 | |
ef922c4a | 4869 | eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL); |
b22128ef | 4870 | |
ef922c4a JM |
4871 | if (wpa_s->global->p2p_disabled) |
4872 | return; | |
b22128ef | 4873 | |
b31be3a0 JM |
4874 | wpa_printf(MSG_DEBUG, "P2P: Scan results received (%d BSS) for %sjoin", |
4875 | scan_res ? (int) scan_res->num : -1, | |
4876 | wpa_s->p2p_auto_join ? "auto_" : ""); | |
ef922c4a JM |
4877 | |
4878 | if (scan_res) | |
4879 | wpas_p2p_scan_res_handler(wpa_s, scan_res); | |
b22128ef | 4880 | |
0918c4bf JM |
4881 | if (wpa_s->p2p_auto_pd) { |
4882 | int join = wpas_p2p_peer_go(wpa_s, | |
4883 | wpa_s->pending_join_dev_addr); | |
84286a22 SDU |
4884 | if (join == 0 && |
4885 | wpa_s->auto_pd_scan_retry < P2P_AUTO_PD_SCAN_ATTEMPTS) { | |
4886 | wpa_s->auto_pd_scan_retry++; | |
702621e6 JM |
4887 | bss = wpa_bss_get_bssid_latest( |
4888 | wpa_s, wpa_s->pending_join_dev_addr); | |
84286a22 SDU |
4889 | if (bss) { |
4890 | freq = bss->freq; | |
4891 | wpa_printf(MSG_DEBUG, "P2P: Scan retry %d for " | |
4892 | "the peer " MACSTR " at %d MHz", | |
4893 | wpa_s->auto_pd_scan_retry, | |
4894 | MAC2STR(wpa_s-> | |
4895 | pending_join_dev_addr), | |
4896 | freq); | |
c48414af | 4897 | wpas_p2p_join_scan_req(wpa_s, freq, NULL, 0); |
84286a22 SDU |
4898 | return; |
4899 | } | |
4900 | } | |
4901 | ||
aa9bb764 JM |
4902 | if (join < 0) |
4903 | join = 0; | |
84286a22 | 4904 | |
0918c4bf JM |
4905 | wpa_s->p2p_auto_pd = 0; |
4906 | wpa_s->pending_pd_use = join ? AUTO_PD_JOIN : AUTO_PD_GO_NEG; | |
4907 | wpa_printf(MSG_DEBUG, "P2P: Auto PD with " MACSTR " join=%d", | |
4908 | MAC2STR(wpa_s->pending_join_dev_addr), join); | |
4909 | if (p2p_prov_disc_req(wpa_s->global->p2p, | |
369678ad | 4910 | wpa_s->pending_join_dev_addr, NULL, |
0918c4bf | 4911 | wpa_s->pending_pd_config_methods, join, |
67527166 | 4912 | 0, wpa_s->user_initiated_pd) < 0) { |
0918c4bf | 4913 | wpa_s->p2p_auto_pd = 0; |
92c4465b JM |
4914 | wpa_msg_global(wpa_s, MSG_INFO, |
4915 | P2P_EVENT_PROV_DISC_FAILURE | |
4916 | " p2p_dev_addr=" MACSTR " status=N/A", | |
4917 | MAC2STR(wpa_s->pending_join_dev_addr)); | |
0918c4bf JM |
4918 | } |
4919 | return; | |
4920 | } | |
4921 | ||
b31be3a0 | 4922 | if (wpa_s->p2p_auto_join) { |
aa9bb764 JM |
4923 | int join = wpas_p2p_peer_go(wpa_s, |
4924 | wpa_s->pending_join_dev_addr); | |
4925 | if (join < 0) { | |
b31be3a0 JM |
4926 | wpa_printf(MSG_DEBUG, "P2P: Peer was not found to be " |
4927 | "running a GO -> use GO Negotiation"); | |
ba307f85 | 4928 | wpa_msg_global(wpa_s->p2pdev, MSG_INFO, |
6b005121 JM |
4929 | P2P_EVENT_FALLBACK_TO_GO_NEG |
4930 | "reason=peer-not-running-GO"); | |
b31be3a0 JM |
4931 | wpas_p2p_connect(wpa_s, wpa_s->pending_join_dev_addr, |
4932 | wpa_s->p2p_pin, wpa_s->p2p_wps_method, | |
4933 | wpa_s->p2p_persistent_group, 0, 0, 0, | |
4934 | wpa_s->p2p_go_intent, | |
23c84252 | 4935 | wpa_s->p2p_connect_freq, |
c27f4c90 | 4936 | wpa_s->p2p_go_vht_center_freq2, |
3bc462cb | 4937 | wpa_s->p2p_persistent_id, |
e2308e4b | 4938 | wpa_s->p2p_pd_before_go_neg, |
20ea1ca4 | 4939 | wpa_s->p2p_go_ht40, |
c27f4c90 | 4940 | wpa_s->p2p_go_vht, |
70e0cb33 | 4941 | wpa_s->p2p_go_max_oper_chwidth, |
5a3319ab | 4942 | wpa_s->p2p_go_he, |
70e0cb33 | 4943 | NULL, 0); |
b31be3a0 JM |
4944 | return; |
4945 | } | |
4946 | ||
aa9bb764 JM |
4947 | wpa_printf(MSG_DEBUG, "P2P: Peer was found running GO%s -> " |
4948 | "try to join the group", join ? "" : | |
4949 | " in older scan"); | |
6b005121 | 4950 | if (!join) { |
ba307f85 | 4951 | wpa_msg_global(wpa_s->p2pdev, MSG_INFO, |
6b005121 | 4952 | P2P_EVENT_FALLBACK_TO_GO_NEG_ENABLED); |
aa9bb764 | 4953 | wpa_s->p2p_fallback_to_go_neg = 1; |
6b005121 | 4954 | } |
b31be3a0 JM |
4955 | } |
4956 | ||
f8d0131a JM |
4957 | freq = p2p_get_oper_freq(wpa_s->global->p2p, |
4958 | wpa_s->pending_join_iface_addr); | |
54960629 AL |
4959 | if (freq < 0 && |
4960 | p2p_get_interface_addr(wpa_s->global->p2p, | |
4961 | wpa_s->pending_join_dev_addr, | |
4962 | iface_addr) == 0 && | |
4e536751 CM |
4963 | os_memcmp(iface_addr, wpa_s->pending_join_dev_addr, ETH_ALEN) != 0 |
4964 | && !wpa_bss_get_bssid(wpa_s, wpa_s->pending_join_iface_addr)) { | |
54960629 AL |
4965 | wpa_printf(MSG_DEBUG, "P2P: Overwrite pending interface " |
4966 | "address for join from " MACSTR " to " MACSTR | |
4967 | " based on newly discovered P2P peer entry", | |
4968 | MAC2STR(wpa_s->pending_join_iface_addr), | |
4969 | MAC2STR(iface_addr)); | |
4970 | os_memcpy(wpa_s->pending_join_iface_addr, iface_addr, | |
4971 | ETH_ALEN); | |
4972 | ||
4973 | freq = p2p_get_oper_freq(wpa_s->global->p2p, | |
4974 | wpa_s->pending_join_iface_addr); | |
4975 | } | |
f8d0131a JM |
4976 | if (freq >= 0) { |
4977 | wpa_printf(MSG_DEBUG, "P2P: Target GO operating frequency " | |
4978 | "from P2P peer table: %d MHz", freq); | |
4979 | } | |
c48414af JM |
4980 | if (wpa_s->p2p_join_ssid_len) { |
4981 | wpa_printf(MSG_DEBUG, "P2P: Trying to find target GO BSS entry based on BSSID " | |
4982 | MACSTR " and SSID %s", | |
4983 | MAC2STR(wpa_s->pending_join_iface_addr), | |
4984 | wpa_ssid_txt(wpa_s->p2p_join_ssid, | |
4985 | wpa_s->p2p_join_ssid_len)); | |
4986 | bss = wpa_bss_get(wpa_s, wpa_s->pending_join_iface_addr, | |
4987 | wpa_s->p2p_join_ssid, | |
4988 | wpa_s->p2p_join_ssid_len); | |
438be601 | 4989 | } else if (!bss) { |
c48414af JM |
4990 | wpa_printf(MSG_DEBUG, "P2P: Trying to find target GO BSS entry based on BSSID " |
4991 | MACSTR, MAC2STR(wpa_s->pending_join_iface_addr)); | |
4992 | bss = wpa_bss_get_bssid_latest(wpa_s, | |
4993 | wpa_s->pending_join_iface_addr); | |
4994 | } | |
b22128ef | 4995 | if (bss) { |
e6012e83 JM |
4996 | u8 dev_addr[ETH_ALEN]; |
4997 | ||
f8d0131a JM |
4998 | freq = bss->freq; |
4999 | wpa_printf(MSG_DEBUG, "P2P: Target GO operating frequency " | |
d2858883 JM |
5000 | "from BSS table: %d MHz (SSID %s)", freq, |
5001 | wpa_ssid_txt(bss->ssid, bss->ssid_len)); | |
e6012e83 JM |
5002 | if (p2p_parse_dev_addr((const u8 *) (bss + 1), bss->ie_len, |
5003 | dev_addr) == 0 && | |
5004 | os_memcmp(wpa_s->pending_join_dev_addr, | |
5005 | wpa_s->pending_join_iface_addr, ETH_ALEN) == 0 && | |
5006 | os_memcmp(dev_addr, wpa_s->pending_join_dev_addr, | |
5007 | ETH_ALEN) != 0) { | |
5008 | wpa_printf(MSG_DEBUG, | |
5009 | "P2P: Update target GO device address based on BSS entry: " MACSTR " (was " MACSTR ")", | |
5010 | MAC2STR(dev_addr), | |
5011 | MAC2STR(wpa_s->pending_join_dev_addr)); | |
5012 | os_memcpy(wpa_s->pending_join_dev_addr, dev_addr, | |
5013 | ETH_ALEN); | |
5014 | } | |
f8d0131a JM |
5015 | } |
5016 | if (freq > 0) { | |
b22128ef JM |
5017 | u16 method; |
5018 | ||
4b156206 | 5019 | if (wpas_check_freq_conflict(wpa_s, freq) > 0) { |
ba307f85 | 5020 | wpa_msg_global(wpa_s->p2pdev, MSG_INFO, |
92c4465b JM |
5021 | P2P_EVENT_GROUP_FORMATION_FAILURE |
5022 | "reason=FREQ_CONFLICT"); | |
2a95fac9 NC |
5023 | wpas_notify_p2p_group_formation_failure( |
5024 | wpa_s, "FREQ_CONFLICT"); | |
4b156206 JM |
5025 | return; |
5026 | } | |
5027 | ||
b22128ef JM |
5028 | wpa_printf(MSG_DEBUG, "P2P: Send Provision Discovery Request " |
5029 | "prior to joining an existing group (GO " MACSTR | |
5030 | " freq=%u MHz)", | |
f8d0131a | 5031 | MAC2STR(wpa_s->pending_join_dev_addr), freq); |
b22128ef JM |
5032 | wpa_s->pending_pd_before_join = 1; |
5033 | ||
ef922c4a | 5034 | switch (wpa_s->pending_join_wps_method) { |
b22128ef JM |
5035 | case WPS_PIN_DISPLAY: |
5036 | method = WPS_CONFIG_KEYPAD; | |
5037 | break; | |
5038 | case WPS_PIN_KEYPAD: | |
5039 | method = WPS_CONFIG_DISPLAY; | |
5040 | break; | |
5041 | case WPS_PBC: | |
5042 | method = WPS_CONFIG_PUSHBUTTON; | |
5043 | break; | |
d494ca0b AO |
5044 | case WPS_P2PS: |
5045 | method = WPS_CONFIG_P2PS; | |
5046 | break; | |
b22128ef JM |
5047 | default: |
5048 | method = 0; | |
5049 | break; | |
5050 | } | |
5051 | ||
ec437d9e JJ |
5052 | if ((p2p_get_provisioning_info(wpa_s->global->p2p, |
5053 | wpa_s->pending_join_dev_addr) == | |
5054 | method)) { | |
5055 | /* | |
5056 | * We have already performed provision discovery for | |
5057 | * joining the group. Proceed directly to join | |
5058 | * operation without duplicated provision discovery. */ | |
e3a0706b | 5059 | wpa_printf(MSG_DEBUG, "P2P: Provision discovery " |
ec437d9e JJ |
5060 | "with " MACSTR " already done - proceed to " |
5061 | "join", | |
5062 | MAC2STR(wpa_s->pending_join_dev_addr)); | |
5063 | wpa_s->pending_pd_before_join = 0; | |
5064 | goto start; | |
5065 | } | |
5066 | ||
ef922c4a | 5067 | if (p2p_prov_disc_req(wpa_s->global->p2p, |
369678ad KV |
5068 | wpa_s->pending_join_dev_addr, |
5069 | NULL, method, 1, | |
67527166 | 5070 | freq, wpa_s->user_initiated_pd) < 0) { |
b22128ef JM |
5071 | wpa_printf(MSG_DEBUG, "P2P: Failed to send Provision " |
5072 | "Discovery Request before joining an " | |
5073 | "existing group"); | |
5074 | wpa_s->pending_pd_before_join = 0; | |
5075 | goto start; | |
5076 | } | |
ef922c4a | 5077 | return; |
b22128ef JM |
5078 | } |
5079 | ||
9b1ab931 JM |
5080 | wpa_printf(MSG_DEBUG, "P2P: Failed to find BSS/GO - try again later"); |
5081 | eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL); | |
5082 | eloop_register_timeout(1, 0, wpas_p2p_join_scan, wpa_s, NULL); | |
5083 | wpas_p2p_check_join_scan_limit(wpa_s); | |
5084 | return; | |
b22128ef JM |
5085 | |
5086 | start: | |
5087 | /* Start join operation immediately */ | |
35510d53 JM |
5088 | wpas_p2p_join_start(wpa_s, 0, wpa_s->p2p_join_ssid, |
5089 | wpa_s->p2p_join_ssid_len); | |
ef922c4a JM |
5090 | } |
5091 | ||
5092 | ||
c48414af JM |
5093 | static void wpas_p2p_join_scan_req(struct wpa_supplicant *wpa_s, int freq, |
5094 | const u8 *ssid, size_t ssid_len) | |
ef922c4a | 5095 | { |
ef922c4a JM |
5096 | int ret; |
5097 | struct wpa_driver_scan_params params; | |
5098 | struct wpabuf *wps_ie, *ies; | |
206e1f42 | 5099 | size_t ielen; |
84286a22 | 5100 | int freqs[2] = { 0, 0 }; |
c58eed6d | 5101 | unsigned int bands; |
ef922c4a JM |
5102 | |
5103 | os_memset(¶ms, 0, sizeof(params)); | |
5104 | ||
5105 | /* P2P Wildcard SSID */ | |
5106 | params.num_ssids = 1; | |
c48414af JM |
5107 | if (ssid && ssid_len) { |
5108 | params.ssids[0].ssid = ssid; | |
5109 | params.ssids[0].ssid_len = ssid_len; | |
5110 | os_memcpy(wpa_s->p2p_join_ssid, ssid, ssid_len); | |
5111 | wpa_s->p2p_join_ssid_len = ssid_len; | |
5112 | } else { | |
5113 | params.ssids[0].ssid = (u8 *) P2P_WILDCARD_SSID; | |
5114 | params.ssids[0].ssid_len = P2P_WILDCARD_SSID_LEN; | |
5115 | wpa_s->p2p_join_ssid_len = 0; | |
5116 | } | |
ef922c4a JM |
5117 | |
5118 | wpa_s->wps->dev.p2p = 1; | |
360182ed JM |
5119 | wps_ie = wps_build_probe_req_ie(DEV_PW_DEFAULT, &wpa_s->wps->dev, |
5120 | wpa_s->wps->uuid, WPS_REQ_ENROLLEE, 0, | |
5121 | NULL); | |
ef922c4a JM |
5122 | if (wps_ie == NULL) { |
5123 | wpas_p2p_scan_res_join(wpa_s, NULL); | |
5124 | return; | |
5125 | } | |
5126 | ||
37b4198a JJ |
5127 | if (!freq) { |
5128 | int oper_freq; | |
5129 | /* | |
5130 | * If freq is not provided, check the operating freq of the GO | |
5131 | * and use a single channel scan on if possible. | |
5132 | */ | |
5133 | oper_freq = p2p_get_oper_freq(wpa_s->global->p2p, | |
5134 | wpa_s->pending_join_iface_addr); | |
5135 | if (oper_freq > 0) | |
5136 | freq = oper_freq; | |
5137 | } | |
84286a22 SDU |
5138 | if (freq > 0) { |
5139 | freqs[0] = freq; | |
5140 | params.freqs = freqs; | |
5141 | } | |
ef922c4a | 5142 | |
94ad3c33 LD |
5143 | ielen = p2p_scan_ie_buf_len(wpa_s->global->p2p); |
5144 | ies = wpabuf_alloc(wpabuf_len(wps_ie) + ielen); | |
5145 | if (ies == NULL) { | |
5146 | wpabuf_free(wps_ie); | |
5147 | wpas_p2p_scan_res_join(wpa_s, NULL); | |
5148 | return; | |
5149 | } | |
5150 | wpabuf_put_buf(ies, wps_ie); | |
5151 | wpabuf_free(wps_ie); | |
5152 | ||
c58eed6d LD |
5153 | bands = wpas_get_bands(wpa_s, freqs); |
5154 | p2p_scan_ie(wpa_s->global->p2p, ies, NULL, bands); | |
94ad3c33 LD |
5155 | |
5156 | params.p2p_probe = 1; | |
5157 | params.extra_ies = wpabuf_head(ies); | |
5158 | params.extra_ies_len = wpabuf_len(ies); | |
5159 | ||
fcb303a5 JM |
5160 | if (wpa_s->clear_driver_scan_cache) { |
5161 | wpa_printf(MSG_DEBUG, | |
5162 | "Request driver to clear scan cache due to local BSS flush"); | |
5163 | params.only_new_results = 1; | |
5164 | } | |
5165 | ||
ef922c4a JM |
5166 | /* |
5167 | * Run a scan to update BSS table and start Provision Discovery once | |
5168 | * the new scan results become available. | |
5169 | */ | |
17fbb751 | 5170 | ret = wpa_drv_scan(wpa_s, ¶ms); |
4342326f | 5171 | if (!ret) { |
acb69cec | 5172 | os_get_reltime(&wpa_s->scan_trigger_time); |
205e6474 | 5173 | wpa_s->scan_res_handler = wpas_p2p_scan_res_join; |
a5f40eff | 5174 | wpa_s->own_scan_requested = 1; |
fcb303a5 | 5175 | wpa_s->clear_driver_scan_cache = 0; |
4342326f | 5176 | } |
ef922c4a JM |
5177 | |
5178 | wpabuf_free(ies); | |
5179 | ||
5180 | if (ret) { | |
5181 | wpa_printf(MSG_DEBUG, "P2P: Failed to start scan for join - " | |
5182 | "try again later"); | |
5183 | eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL); | |
5184 | eloop_register_timeout(1, 0, wpas_p2p_join_scan, wpa_s, NULL); | |
9b1ab931 | 5185 | wpas_p2p_check_join_scan_limit(wpa_s); |
ef922c4a JM |
5186 | } |
5187 | } | |
5188 | ||
5189 | ||
84286a22 SDU |
5190 | static void wpas_p2p_join_scan(void *eloop_ctx, void *timeout_ctx) |
5191 | { | |
5192 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
c48414af | 5193 | wpas_p2p_join_scan_req(wpa_s, 0, NULL, 0); |
84286a22 SDU |
5194 | } |
5195 | ||
5196 | ||
ef922c4a | 5197 | static int wpas_p2p_join(struct wpa_supplicant *wpa_s, const u8 *iface_addr, |
b31be3a0 | 5198 | const u8 *dev_addr, enum p2p_wps_method wps_method, |
23318bea JM |
5199 | int auto_join, int op_freq, |
5200 | const u8 *ssid, size_t ssid_len) | |
ef922c4a JM |
5201 | { |
5202 | wpa_printf(MSG_DEBUG, "P2P: Request to join existing group (iface " | |
23318bea JM |
5203 | MACSTR " dev " MACSTR " op_freq=%d)%s", |
5204 | MAC2STR(iface_addr), MAC2STR(dev_addr), op_freq, | |
b31be3a0 | 5205 | auto_join ? " (auto_join)" : ""); |
c48414af JM |
5206 | if (ssid && ssid_len) { |
5207 | wpa_printf(MSG_DEBUG, "P2P: Group SSID specified: %s", | |
5208 | wpa_ssid_txt(ssid, ssid_len)); | |
5209 | } | |
ef922c4a | 5210 | |
0918c4bf | 5211 | wpa_s->p2p_auto_pd = 0; |
b31be3a0 | 5212 | wpa_s->p2p_auto_join = !!auto_join; |
ef922c4a JM |
5213 | os_memcpy(wpa_s->pending_join_iface_addr, iface_addr, ETH_ALEN); |
5214 | os_memcpy(wpa_s->pending_join_dev_addr, dev_addr, ETH_ALEN); | |
5215 | wpa_s->pending_join_wps_method = wps_method; | |
5216 | ||
5217 | /* Make sure we are not running find during connection establishment */ | |
5218 | wpas_p2p_stop_find(wpa_s); | |
5219 | ||
9b1ab931 | 5220 | wpa_s->p2p_join_scan_count = 0; |
23318bea | 5221 | wpas_p2p_join_scan_req(wpa_s, op_freq, ssid, ssid_len); |
ef922c4a | 5222 | return 0; |
b22128ef JM |
5223 | } |
5224 | ||
5225 | ||
23318bea JM |
5226 | static int wpas_p2p_join_start(struct wpa_supplicant *wpa_s, int freq, |
5227 | const u8 *ssid, size_t ssid_len) | |
b22128ef JM |
5228 | { |
5229 | struct wpa_supplicant *group; | |
5230 | struct p2p_go_neg_results res; | |
8e64f258 | 5231 | struct wpa_bss *bss; |
b22128ef JM |
5232 | |
5233 | group = wpas_p2p_get_group_iface(wpa_s, 0, 0); | |
5234 | if (group == NULL) | |
5235 | return -1; | |
3c5126a4 | 5236 | if (group != wpa_s) { |
b22128ef JM |
5237 | os_memcpy(group->p2p_pin, wpa_s->p2p_pin, |
5238 | sizeof(group->p2p_pin)); | |
3c5126a4 JM |
5239 | group->p2p_wps_method = wpa_s->p2p_wps_method; |
5240 | } | |
b22128ef | 5241 | |
dc9b7d21 AA |
5242 | /* |
5243 | * Need to mark the current interface for p2p_group_formation | |
5244 | * when a separate group interface is not used. This is needed | |
5245 | * to allow p2p_cancel stop a pending p2p_connect-join. | |
5246 | * wpas_p2p_init_group_interface() addresses this for the case | |
5247 | * where a separate group interface is used. | |
5248 | */ | |
5249 | if (group == wpa_s->parent) | |
5250 | wpa_s->global->p2p_group_formation = group; | |
5251 | ||
b22128ef | 5252 | group->p2p_in_provisioning = 1; |
aa9bb764 | 5253 | group->p2p_fallback_to_go_neg = wpa_s->p2p_fallback_to_go_neg; |
b22128ef JM |
5254 | |
5255 | os_memset(&res, 0, sizeof(res)); | |
23318bea | 5256 | os_memcpy(res.peer_device_addr, wpa_s->pending_join_dev_addr, ETH_ALEN); |
b22128ef JM |
5257 | os_memcpy(res.peer_interface_addr, wpa_s->pending_join_iface_addr, |
5258 | ETH_ALEN); | |
5259 | res.wps_method = wpa_s->pending_join_wps_method; | |
23318bea JM |
5260 | if (freq && ssid && ssid_len) { |
5261 | res.freq = freq; | |
5262 | res.ssid_len = ssid_len; | |
5263 | os_memcpy(res.ssid, ssid, ssid_len); | |
5264 | } else { | |
8b8d4f4e JM |
5265 | if (ssid && ssid_len) { |
5266 | bss = wpa_bss_get(wpa_s, wpa_s->pending_join_iface_addr, | |
5267 | ssid, ssid_len); | |
5268 | } else { | |
5269 | bss = wpa_bss_get_bssid_latest( | |
5270 | wpa_s, wpa_s->pending_join_iface_addr); | |
5271 | } | |
23318bea JM |
5272 | if (bss) { |
5273 | res.freq = bss->freq; | |
5274 | res.ssid_len = bss->ssid_len; | |
5275 | os_memcpy(res.ssid, bss->ssid, bss->ssid_len); | |
5276 | wpa_printf(MSG_DEBUG, "P2P: Join target GO operating frequency from BSS table: %d MHz (SSID %s)", | |
5277 | bss->freq, | |
5278 | wpa_ssid_txt(bss->ssid, bss->ssid_len)); | |
b875276c JM |
5279 | } else if (ssid && ssid_len) { |
5280 | res.ssid_len = ssid_len; | |
5281 | os_memcpy(res.ssid, ssid, ssid_len); | |
5282 | wpa_printf(MSG_DEBUG, "P2P: Join target GO (SSID %s)", | |
5283 | wpa_ssid_txt(ssid, ssid_len)); | |
23318bea | 5284 | } |
8e64f258 JM |
5285 | } |
5286 | ||
e91829f9 JM |
5287 | if (wpa_s->off_channel_freq || wpa_s->roc_waiting_drv_freq) { |
5288 | wpa_printf(MSG_DEBUG, "P2P: Cancel remain-on-channel prior to " | |
5289 | "starting client"); | |
5290 | wpa_drv_cancel_remain_on_channel(wpa_s); | |
5291 | wpa_s->off_channel_freq = 0; | |
5292 | wpa_s->roc_waiting_drv_freq = 0; | |
5293 | } | |
b22128ef JM |
5294 | wpas_start_wps_enrollee(group, &res); |
5295 | ||
3094d483 JM |
5296 | /* |
5297 | * Allow a longer timeout for join-a-running-group than normal 15 | |
5298 | * second group formation timeout since the GO may not have authorized | |
5299 | * our connection yet. | |
5300 | */ | |
5301 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL); | |
5302 | eloop_register_timeout(60, 0, wpas_p2p_group_formation_timeout, | |
5303 | wpa_s, NULL); | |
5304 | ||
b22128ef JM |
5305 | return 0; |
5306 | } | |
5307 | ||
5308 | ||
5de4b721 | 5309 | static int wpas_p2p_setup_freqs(struct wpa_supplicant *wpa_s, int freq, |
370017d9 AK |
5310 | int *force_freq, int *pref_freq, int go, |
5311 | unsigned int *pref_freq_list, | |
5312 | unsigned int *num_pref_freq) | |
5de4b721 | 5313 | { |
a0c90bb0 IP |
5314 | struct wpa_used_freq_data *freqs; |
5315 | int res, best_freq, num_unused; | |
370017d9 AK |
5316 | unsigned int freq_in_use = 0, num, i, max_pref_freq; |
5317 | ||
5318 | max_pref_freq = *num_pref_freq; | |
5319 | *num_pref_freq = 0; | |
0d08efa4 | 5320 | |
a0c90bb0 IP |
5321 | freqs = os_calloc(wpa_s->num_multichan_concurrent, |
5322 | sizeof(struct wpa_used_freq_data)); | |
0d08efa4 IP |
5323 | if (!freqs) |
5324 | return -1; | |
5325 | ||
a0c90bb0 IP |
5326 | num = wpas_p2p_valid_oper_freqs(wpa_s, freqs, |
5327 | wpa_s->num_multichan_concurrent); | |
5328 | ||
5329 | /* | |
5330 | * It is possible that the total number of used frequencies is bigger | |
5331 | * than the number of frequencies used for P2P, so get the system wide | |
5332 | * number of unused frequencies. | |
5333 | */ | |
5334 | num_unused = wpas_p2p_num_unused_channels(wpa_s); | |
5335 | ||
99d7c762 | 5336 | wpa_printf(MSG_DEBUG, |
a0c90bb0 IP |
5337 | "P2P: Setup freqs: freq=%d num_MCC=%d shared_freqs=%u num_unused=%d", |
5338 | freq, wpa_s->num_multichan_concurrent, num, num_unused); | |
0d08efa4 | 5339 | |
5de4b721 | 5340 | if (freq > 0) { |
51e9f228 JM |
5341 | int ret; |
5342 | if (go) | |
5343 | ret = p2p_supported_freq(wpa_s->global->p2p, freq); | |
5344 | else | |
5345 | ret = p2p_supported_freq_cli(wpa_s->global->p2p, freq); | |
5346 | if (!ret) { | |
d7f1aa8f | 5347 | if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) && |
d239ab39 | 5348 | ieee80211_is_dfs(freq, wpa_s->hw.modes, |
5349 | wpa_s->hw.num_modes)) { | |
d7f1aa8f AK |
5350 | /* |
5351 | * If freq is a DFS channel and DFS is offloaded | |
5352 | * to the driver, allow P2P GO to use it. | |
5353 | */ | |
5354 | wpa_printf(MSG_DEBUG, | |
5355 | "P2P: The forced channel for GO (%u MHz) is DFS, and DFS is offloaded to the driver", | |
5356 | freq); | |
5357 | } else { | |
5358 | wpa_printf(MSG_DEBUG, | |
5359 | "P2P: The forced channel (%u MHz) is not supported for P2P uses", | |
5360 | freq); | |
5361 | res = -3; | |
5362 | goto exit_free; | |
5363 | } | |
5de4b721 JM |
5364 | } |
5365 | ||
0d08efa4 | 5366 | for (i = 0; i < num; i++) { |
a0c90bb0 | 5367 | if (freqs[i].freq == freq) |
0d08efa4 IP |
5368 | freq_in_use = 1; |
5369 | } | |
5370 | ||
a0c90bb0 | 5371 | if (num_unused <= 0 && !freq_in_use) { |
0d08efa4 IP |
5372 | wpa_printf(MSG_DEBUG, "P2P: Cannot start P2P group on %u MHz as there are no available channels", |
5373 | freq); | |
5374 | res = -2; | |
5375 | goto exit_free; | |
5de4b721 JM |
5376 | } |
5377 | wpa_printf(MSG_DEBUG, "P2P: Trying to force us to use the " | |
5378 | "requested channel (%u MHz)", freq); | |
5379 | *force_freq = freq; | |
0d08efa4 IP |
5380 | goto exit_ok; |
5381 | } | |
5382 | ||
a0c90bb0 | 5383 | best_freq = wpas_p2p_pick_best_used_freq(wpa_s, freqs, num); |
0d08efa4 | 5384 | |
370017d9 AK |
5385 | if (!wpa_s->conf->num_p2p_pref_chan && *pref_freq == 0) { |
5386 | enum wpa_driver_if_type iface_type; | |
5387 | ||
5388 | if (go) | |
5389 | iface_type = WPA_IF_P2P_GO; | |
5390 | else | |
5391 | iface_type = WPA_IF_P2P_CLIENT; | |
5392 | ||
5393 | wpa_printf(MSG_DEBUG, "P2P: best_freq=%d, go=%d", | |
5394 | best_freq, go); | |
5395 | ||
5396 | res = wpa_drv_get_pref_freq_list(wpa_s, iface_type, | |
5397 | &max_pref_freq, | |
5398 | pref_freq_list); | |
5399 | if (!res && max_pref_freq > 0) { | |
5400 | *num_pref_freq = max_pref_freq; | |
5401 | i = 0; | |
944d4858 AP |
5402 | while (i < *num_pref_freq && |
5403 | (!p2p_supported_freq(wpa_s->global->p2p, | |
783c2920 SD |
5404 | pref_freq_list[i]) || |
5405 | wpas_p2p_disallowed_freq(wpa_s->global, | |
944d4858 | 5406 | pref_freq_list[i]))) { |
370017d9 AK |
5407 | wpa_printf(MSG_DEBUG, |
5408 | "P2P: preferred_freq_list[%d]=%d is disallowed", | |
5409 | i, pref_freq_list[i]); | |
5410 | i++; | |
5411 | } | |
5412 | if (i != *num_pref_freq) { | |
5413 | best_freq = pref_freq_list[i]; | |
5414 | wpa_printf(MSG_DEBUG, | |
5415 | "P2P: Using preferred_freq_list[%d]=%d", | |
5416 | i, best_freq); | |
5417 | } else { | |
5418 | wpa_printf(MSG_DEBUG, | |
5419 | "P2P: All driver preferred frequencies are disallowed for P2P use"); | |
5420 | *num_pref_freq = 0; | |
5421 | } | |
5422 | } else { | |
5423 | wpa_printf(MSG_DEBUG, | |
5424 | "P2P: No preferred frequency list available"); | |
5425 | } | |
5426 | } | |
5427 | ||
a0c90bb0 IP |
5428 | /* We have a candidate frequency to use */ |
5429 | if (best_freq > 0) { | |
5430 | if (*pref_freq == 0 && num_unused > 0) { | |
b17d89bd | 5431 | wpa_printf(MSG_DEBUG, "P2P: Try to prefer a frequency (%u MHz) we are already using", |
a0c90bb0 IP |
5432 | best_freq); |
5433 | *pref_freq = best_freq; | |
b17d89bd JM |
5434 | } else { |
5435 | wpa_printf(MSG_DEBUG, "P2P: Try to force us to use frequency (%u MHz) which is already in use", | |
a0c90bb0 IP |
5436 | best_freq); |
5437 | *force_freq = best_freq; | |
0d08efa4 | 5438 | } |
a0c90bb0 IP |
5439 | } else if (num_unused > 0) { |
5440 | wpa_printf(MSG_DEBUG, | |
5441 | "P2P: Current operating channels are not available for P2P. Try to use another channel"); | |
5442 | *force_freq = 0; | |
5443 | } else { | |
5444 | wpa_printf(MSG_DEBUG, | |
5445 | "P2P: All channels are in use and none of them are P2P enabled. Cannot start P2P group"); | |
5446 | res = -2; | |
5447 | goto exit_free; | |
0d08efa4 IP |
5448 | } |
5449 | ||
5450 | exit_ok: | |
5451 | res = 0; | |
5452 | exit_free: | |
5453 | os_free(freqs); | |
5454 | return res; | |
5de4b721 JM |
5455 | } |
5456 | ||
5457 | ||
b22128ef JM |
5458 | /** |
5459 | * wpas_p2p_connect - Request P2P Group Formation to be started | |
5460 | * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface() | |
5461 | * @peer_addr: Address of the peer P2P Device | |
5462 | * @pin: PIN to use during provisioning or %NULL to indicate PBC mode | |
5463 | * @persistent_group: Whether to create a persistent group | |
b31be3a0 | 5464 | * @auto_join: Whether to select join vs. GO Negotiation automatically |
b22128ef JM |
5465 | * @join: Whether to join an existing group (as a client) instead of starting |
5466 | * Group Owner negotiation; @peer_addr is BSSID in that case | |
5467 | * @auth: Whether to only authorize the connection instead of doing that and | |
5468 | * initiating Group Owner negotiation | |
5469 | * @go_intent: GO Intent or -1 to use default | |
5470 | * @freq: Frequency for the group or 0 for auto-selection | |
c27f4c90 | 5471 | * @freq2: Center frequency of segment 1 for the GO operating in VHT 80P80 mode |
23c84252 JM |
5472 | * @persistent_id: Persistent group credentials to use for forcing GO |
5473 | * parameters or -1 to generate new values (SSID/passphrase) | |
3bc462cb JM |
5474 | * @pd: Whether to send Provision Discovery prior to GO Negotiation as an |
5475 | * interoperability workaround when initiating group formation | |
e2308e4b | 5476 | * @ht40: Start GO with 40 MHz channel width |
20ea1ca4 | 5477 | * @vht: Start GO with VHT support |
c27f4c90 AK |
5478 | * @vht_chwidth: Channel width supported by GO operating with VHT support |
5479 | * (VHT_CHANWIDTH_*). | |
70e0cb33 JM |
5480 | * @group_ssid: Specific Group SSID for join or %NULL if not set |
5481 | * @group_ssid_len: Length of @group_ssid in octets | |
d054a462 JM |
5482 | * Returns: 0 or new PIN (if pin was %NULL) on success, -1 on unspecified |
5483 | * failure, -2 on failure due to channel not currently available, | |
5484 | * -3 if forced channel is not supported | |
b22128ef JM |
5485 | */ |
5486 | int wpas_p2p_connect(struct wpa_supplicant *wpa_s, const u8 *peer_addr, | |
5487 | const char *pin, enum p2p_wps_method wps_method, | |
b31be3a0 | 5488 | int persistent_group, int auto_join, int join, int auth, |
c27f4c90 AK |
5489 | int go_intent, int freq, unsigned int vht_center_freq2, |
5490 | int persistent_id, int pd, int ht40, int vht, | |
5a3319ab | 5491 | unsigned int vht_chwidth, int he, const u8 *group_ssid, |
70e0cb33 | 5492 | size_t group_ssid_len) |
b22128ef | 5493 | { |
0d08efa4 | 5494 | int force_freq = 0, pref_freq = 0; |
5de4b721 | 5495 | int ret = 0, res; |
b22128ef | 5496 | enum wpa_driver_if_type iftype; |
6cad95db | 5497 | const u8 *if_addr; |
23c84252 | 5498 | struct wpa_ssid *ssid = NULL; |
370017d9 | 5499 | unsigned int pref_freq_list[P2P_MAX_PREF_CHANNELS], size; |
b22128ef | 5500 | |
9526fd29 JM |
5501 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
5502 | return -1; | |
5503 | ||
23c84252 JM |
5504 | if (persistent_id >= 0) { |
5505 | ssid = wpa_config_get_network(wpa_s->conf, persistent_id); | |
5506 | if (ssid == NULL || ssid->disabled != 2 || | |
5507 | ssid->mode != WPAS_MODE_P2P_GO) | |
5508 | return -1; | |
5509 | } | |
5510 | ||
01a57fe4 JM |
5511 | os_free(wpa_s->global->add_psk); |
5512 | wpa_s->global->add_psk = NULL; | |
5513 | ||
95fb2db2 | 5514 | wpa_s->global->p2p_fail_on_wps_complete = 0; |
9a58e521 | 5515 | wpa_s->global->pending_p2ps_group = 0; |
8bb8e6ed | 5516 | wpa_s->global->pending_p2ps_group_freq = 0; |
b9da88d6 | 5517 | wpa_s->p2ps_method_config_any = 0; |
95fb2db2 | 5518 | |
b22128ef JM |
5519 | if (go_intent < 0) |
5520 | go_intent = wpa_s->conf->p2p_go_intent; | |
5521 | ||
5522 | if (!auth) | |
5523 | wpa_s->p2p_long_listen = 0; | |
5524 | ||
3c5126a4 | 5525 | wpa_s->p2p_wps_method = wps_method; |
b31be3a0 | 5526 | wpa_s->p2p_persistent_group = !!persistent_group; |
23c84252 | 5527 | wpa_s->p2p_persistent_id = persistent_id; |
b31be3a0 JM |
5528 | wpa_s->p2p_go_intent = go_intent; |
5529 | wpa_s->p2p_connect_freq = freq; | |
aa9bb764 | 5530 | wpa_s->p2p_fallback_to_go_neg = 0; |
3bc462cb | 5531 | wpa_s->p2p_pd_before_go_neg = !!pd; |
e2308e4b | 5532 | wpa_s->p2p_go_ht40 = !!ht40; |
20ea1ca4 | 5533 | wpa_s->p2p_go_vht = !!vht; |
c27f4c90 AK |
5534 | wpa_s->p2p_go_vht_center_freq2 = vht_center_freq2; |
5535 | wpa_s->p2p_go_max_oper_chwidth = vht_chwidth; | |
5a3319ab | 5536 | wpa_s->p2p_go_he = !!he; |
3c5126a4 | 5537 | |
b22128ef JM |
5538 | if (pin) |
5539 | os_strlcpy(wpa_s->p2p_pin, pin, sizeof(wpa_s->p2p_pin)); | |
5540 | else if (wps_method == WPS_PIN_DISPLAY) { | |
98a516ea NL |
5541 | if (wps_generate_pin((unsigned int *) &ret) < 0) |
5542 | return -1; | |
1d399771 JM |
5543 | res = os_snprintf(wpa_s->p2p_pin, sizeof(wpa_s->p2p_pin), |
5544 | "%08d", ret); | |
5545 | if (os_snprintf_error(sizeof(wpa_s->p2p_pin), res)) | |
5546 | wpa_s->p2p_pin[sizeof(wpa_s->p2p_pin) - 1] = '\0'; | |
b22128ef JM |
5547 | wpa_printf(MSG_DEBUG, "P2P: Randomly generated PIN: %s", |
5548 | wpa_s->p2p_pin); | |
31d7fb14 PK |
5549 | } else if (wps_method == WPS_P2PS) { |
5550 | /* Force the P2Ps default PIN to be used */ | |
5551 | os_strlcpy(wpa_s->p2p_pin, "12345670", sizeof(wpa_s->p2p_pin)); | |
b22128ef JM |
5552 | } else |
5553 | wpa_s->p2p_pin[0] = '\0'; | |
5554 | ||
b31be3a0 | 5555 | if (join || auto_join) { |
4147a2cc | 5556 | u8 iface_addr[ETH_ALEN], dev_addr[ETH_ALEN]; |
108def93 JM |
5557 | if (auth) { |
5558 | wpa_printf(MSG_DEBUG, "P2P: Authorize invitation to " | |
5559 | "connect a running group from " MACSTR, | |
5560 | MAC2STR(peer_addr)); | |
5561 | os_memcpy(wpa_s->p2p_auth_invite, peer_addr, ETH_ALEN); | |
5562 | return ret; | |
5563 | } | |
4147a2cc | 5564 | os_memcpy(dev_addr, peer_addr, ETH_ALEN); |
b22128ef | 5565 | if (p2p_get_interface_addr(wpa_s->global->p2p, peer_addr, |
4147a2cc | 5566 | iface_addr) < 0) { |
b22128ef | 5567 | os_memcpy(iface_addr, peer_addr, ETH_ALEN); |
4147a2cc JM |
5568 | p2p_get_dev_addr(wpa_s->global->p2p, peer_addr, |
5569 | dev_addr); | |
5570 | } | |
b31be3a0 | 5571 | if (auto_join) { |
acb69cec | 5572 | os_get_reltime(&wpa_s->p2p_auto_started); |
b31be3a0 JM |
5573 | wpa_printf(MSG_DEBUG, "P2P: Auto join started at " |
5574 | "%ld.%06ld", | |
5575 | wpa_s->p2p_auto_started.sec, | |
5576 | wpa_s->p2p_auto_started.usec); | |
5577 | } | |
67527166 | 5578 | wpa_s->user_initiated_pd = 1; |
b31be3a0 | 5579 | if (wpas_p2p_join(wpa_s, iface_addr, dev_addr, wps_method, |
70e0cb33 JM |
5580 | auto_join, freq, |
5581 | group_ssid, group_ssid_len) < 0) | |
b22128ef JM |
5582 | return -1; |
5583 | return ret; | |
5584 | } | |
5585 | ||
370017d9 | 5586 | size = P2P_MAX_PREF_CHANNELS; |
51e9f228 | 5587 | res = wpas_p2p_setup_freqs(wpa_s, freq, &force_freq, &pref_freq, |
370017d9 | 5588 | go_intent == 15, pref_freq_list, &size); |
5de4b721 JM |
5589 | if (res) |
5590 | return res; | |
1b665cbf JM |
5591 | wpas_p2p_set_own_freq_preference(wpa_s, |
5592 | force_freq ? force_freq : pref_freq); | |
b22128ef | 5593 | |
370017d9 AK |
5594 | p2p_set_own_pref_freq_list(wpa_s->global->p2p, pref_freq_list, size); |
5595 | ||
b22128ef JM |
5596 | wpa_s->create_p2p_iface = wpas_p2p_create_iface(wpa_s); |
5597 | ||
6cad95db JB |
5598 | if (wpa_s->create_p2p_iface) { |
5599 | /* Prepare to add a new interface for the group */ | |
5600 | iftype = WPA_IF_P2P_GROUP; | |
5601 | if (go_intent == 15) | |
5602 | iftype = WPA_IF_P2P_GO; | |
5603 | if (wpas_p2p_add_group_interface(wpa_s, iftype) < 0) { | |
5604 | wpa_printf(MSG_ERROR, "P2P: Failed to allocate a new " | |
5605 | "interface for the group"); | |
b22128ef | 5606 | return -1; |
6cad95db | 5607 | } |
b22128ef | 5608 | |
6cad95db | 5609 | if_addr = wpa_s->pending_interface_addr; |
9f59fe8d | 5610 | } else { |
96a26ab7 LD |
5611 | if (wpa_s->p2p_mgmt) |
5612 | if_addr = wpa_s->parent->own_addr; | |
5613 | else | |
5614 | if_addr = wpa_s->own_addr; | |
9f59fe8d JM |
5615 | os_memset(wpa_s->go_dev_addr, 0, ETH_ALEN); |
5616 | } | |
b22128ef JM |
5617 | |
5618 | if (auth) { | |
5619 | if (wpas_p2p_auth_go_neg(wpa_s, peer_addr, wps_method, | |
6cad95db | 5620 | go_intent, if_addr, |
04a3e69d JM |
5621 | force_freq, persistent_group, ssid, |
5622 | pref_freq) < 0) | |
b22128ef JM |
5623 | return -1; |
5624 | return ret; | |
5625 | } | |
6cad95db JB |
5626 | |
5627 | if (wpas_p2p_start_go_neg(wpa_s, peer_addr, wps_method, | |
5628 | go_intent, if_addr, force_freq, | |
04a3e69d | 5629 | persistent_group, ssid, pref_freq) < 0) { |
6cad95db JB |
5630 | if (wpa_s->create_p2p_iface) |
5631 | wpas_p2p_remove_pending_group_interface(wpa_s); | |
b22128ef JM |
5632 | return -1; |
5633 | } | |
5634 | return ret; | |
5635 | } | |
5636 | ||
5637 | ||
5638 | /** | |
5639 | * wpas_p2p_remain_on_channel_cb - Indication of remain-on-channel start | |
5640 | * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface() | |
5641 | * @freq: Frequency of the channel in MHz | |
5642 | * @duration: Duration of the stay on the channel in milliseconds | |
5643 | * | |
5644 | * This callback is called when the driver indicates that it has started the | |
5645 | * requested remain-on-channel duration. | |
5646 | */ | |
5647 | void wpas_p2p_remain_on_channel_cb(struct wpa_supplicant *wpa_s, | |
5648 | unsigned int freq, unsigned int duration) | |
5649 | { | |
9526fd29 JM |
5650 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
5651 | return; | |
f2dc06e2 JM |
5652 | wpa_printf(MSG_DEBUG, "P2P: remain-on-channel callback (off_channel_freq=%u pending_listen_freq=%d roc_waiting_drv_freq=%d freq=%u duration=%u)", |
5653 | wpa_s->off_channel_freq, wpa_s->pending_listen_freq, | |
5654 | wpa_s->roc_waiting_drv_freq, freq, duration); | |
5655 | if (wpa_s->off_channel_freq && | |
5656 | wpa_s->off_channel_freq == wpa_s->pending_listen_freq) { | |
b22128ef JM |
5657 | p2p_listen_cb(wpa_s->global->p2p, wpa_s->pending_listen_freq, |
5658 | wpa_s->pending_listen_duration); | |
5659 | wpa_s->pending_listen_freq = 0; | |
211d7ab3 JM |
5660 | } else { |
5661 | wpa_printf(MSG_DEBUG, "P2P: Ignore remain-on-channel callback (off_channel_freq=%u pending_listen_freq=%d freq=%u duration=%u)", | |
5662 | wpa_s->off_channel_freq, wpa_s->pending_listen_freq, | |
5663 | freq, duration); | |
b22128ef JM |
5664 | } |
5665 | } | |
5666 | ||
5667 | ||
49e1e9ca | 5668 | int wpas_p2p_listen_start(struct wpa_supplicant *wpa_s, unsigned int timeout) |
b22128ef JM |
5669 | { |
5670 | /* Limit maximum Listen state time based on driver limitation. */ | |
5671 | if (timeout > wpa_s->max_remain_on_chan) | |
5672 | timeout = wpa_s->max_remain_on_chan; | |
5673 | ||
5674 | return p2p_listen(wpa_s->global->p2p, timeout); | |
5675 | } | |
5676 | ||
5677 | ||
5678 | /** | |
5679 | * wpas_p2p_cancel_remain_on_channel_cb - Remain-on-channel timeout | |
5680 | * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface() | |
5681 | * @freq: Frequency of the channel in MHz | |
5682 | * | |
5683 | * This callback is called when the driver indicates that a remain-on-channel | |
5684 | * operation has been completed, i.e., the duration on the requested channel | |
5685 | * has timed out. | |
5686 | */ | |
5687 | void wpas_p2p_cancel_remain_on_channel_cb(struct wpa_supplicant *wpa_s, | |
5688 | unsigned int freq) | |
5689 | { | |
1cc3a29d | 5690 | wpa_printf(MSG_DEBUG, "P2P: Cancel remain-on-channel callback " |
11fb02be | 5691 | "(p2p_long_listen=%d ms pending_action_tx=%p)", |
2f3101d8 | 5692 | wpa_s->p2p_long_listen, offchannel_pending_action_tx(wpa_s)); |
e1d1c8e2 | 5693 | wpas_p2p_listen_work_done(wpa_s); |
9526fd29 JM |
5694 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
5695 | return; | |
49e1e9ca JJ |
5696 | if (wpa_s->p2p_long_listen > 0) |
5697 | wpa_s->p2p_long_listen -= wpa_s->max_remain_on_chan; | |
b22128ef JM |
5698 | if (p2p_listen_end(wpa_s->global->p2p, freq) > 0) |
5699 | return; /* P2P module started a new operation */ | |
2f3101d8 | 5700 | if (offchannel_pending_action_tx(wpa_s)) |
b22128ef | 5701 | return; |
b22128ef JM |
5702 | if (wpa_s->p2p_long_listen > 0) { |
5703 | wpa_printf(MSG_DEBUG, "P2P: Continuing long Listen state"); | |
11fb02be | 5704 | wpas_p2p_listen_start(wpa_s, wpa_s->p2p_long_listen); |
0b5fb86a SADR |
5705 | } else { |
5706 | /* | |
5707 | * When listen duration is over, stop listen & update p2p_state | |
5708 | * to IDLE. | |
5709 | */ | |
5710 | p2p_stop_listen(wpa_s->global->p2p); | |
b22128ef JM |
5711 | } |
5712 | } | |
5713 | ||
5714 | ||
5715 | /** | |
5716 | * wpas_p2p_group_remove - Remove a P2P group | |
5717 | * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface() | |
5718 | * @ifname: Network interface name of the group interface or "*" to remove all | |
5719 | * groups | |
5720 | * Returns: 0 on success, -1 on failure | |
5721 | * | |
5722 | * This function is used to remove a P2P group. This can be used to disconnect | |
5723 | * from a group in which the local end is a P2P Client or to end a P2P Group in | |
5724 | * case the local end is the Group Owner. If a virtual network interface was | |
5725 | * created for this group, that interface will be removed. Otherwise, only the | |
5726 | * configured P2P group network will be removed from the interface. | |
5727 | */ | |
5728 | int wpas_p2p_group_remove(struct wpa_supplicant *wpa_s, const char *ifname) | |
5729 | { | |
5730 | struct wpa_global *global = wpa_s->global; | |
f2b3acc9 | 5731 | struct wpa_supplicant *calling_wpa_s = wpa_s; |
b22128ef JM |
5732 | |
5733 | if (os_strcmp(ifname, "*") == 0) { | |
5734 | struct wpa_supplicant *prev; | |
5735 | wpa_s = global->ifaces; | |
5736 | while (wpa_s) { | |
5737 | prev = wpa_s; | |
5738 | wpa_s = wpa_s->next; | |
d99ca89d IP |
5739 | if (prev->p2p_group_interface != |
5740 | NOT_P2P_GROUP_INTERFACE || | |
5741 | (prev->current_ssid && | |
5742 | prev->current_ssid->p2p_group)) | |
f2b3acc9 | 5743 | wpas_p2p_disconnect_safely(prev, calling_wpa_s); |
b22128ef JM |
5744 | } |
5745 | return 0; | |
5746 | } | |
5747 | ||
5748 | for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) { | |
5749 | if (os_strcmp(wpa_s->ifname, ifname) == 0) | |
5750 | break; | |
5751 | } | |
5752 | ||
f2b3acc9 | 5753 | return wpas_p2p_disconnect_safely(wpa_s, calling_wpa_s); |
b22128ef JM |
5754 | } |
5755 | ||
5756 | ||
4abc0424 WJL |
5757 | static int wpas_p2p_select_go_freq(struct wpa_supplicant *wpa_s, int freq) |
5758 | { | |
5759 | unsigned int r; | |
5760 | ||
8e84921e AK |
5761 | if (!wpa_s->conf->num_p2p_pref_chan && !freq) { |
5762 | unsigned int i, size = P2P_MAX_PREF_CHANNELS; | |
5763 | unsigned int pref_freq_list[P2P_MAX_PREF_CHANNELS]; | |
5764 | int res; | |
5765 | ||
5766 | res = wpa_drv_get_pref_freq_list(wpa_s, WPA_IF_P2P_GO, | |
5767 | &size, pref_freq_list); | |
5768 | if (!res && size > 0) { | |
5769 | i = 0; | |
f49c852b | 5770 | while (i < size && |
3c2bd55f SD |
5771 | (!p2p_supported_freq(wpa_s->global->p2p, |
5772 | pref_freq_list[i]) || | |
5773 | wpas_p2p_disallowed_freq(wpa_s->global, | |
5774 | pref_freq_list[i]))) { | |
8e84921e AK |
5775 | wpa_printf(MSG_DEBUG, |
5776 | "P2P: preferred_freq_list[%d]=%d is disallowed", | |
5777 | i, pref_freq_list[i]); | |
5778 | i++; | |
5779 | } | |
5780 | if (i != size) { | |
5781 | freq = pref_freq_list[i]; | |
5782 | wpa_printf(MSG_DEBUG, | |
5783 | "P2P: Using preferred_freq_list[%d]=%d", | |
5784 | i, freq); | |
5785 | } else { | |
5786 | wpa_printf(MSG_DEBUG, | |
5787 | "P2P: All driver preferred frequencies are disallowed for P2P use"); | |
5788 | } | |
5789 | } else { | |
5790 | wpa_printf(MSG_DEBUG, | |
5791 | "P2P: No preferred frequency list available"); | |
5792 | } | |
5793 | } | |
5794 | ||
4abc0424 WJL |
5795 | if (freq == 2) { |
5796 | wpa_printf(MSG_DEBUG, "P2P: Request to start GO on 2.4 GHz " | |
5797 | "band"); | |
5798 | if (wpa_s->best_24_freq > 0 && | |
556b30da JM |
5799 | p2p_supported_freq_go(wpa_s->global->p2p, |
5800 | wpa_s->best_24_freq)) { | |
4abc0424 WJL |
5801 | freq = wpa_s->best_24_freq; |
5802 | wpa_printf(MSG_DEBUG, "P2P: Use best 2.4 GHz band " | |
5803 | "channel: %d MHz", freq); | |
5804 | } else { | |
df2508d7 JM |
5805 | if (os_get_random((u8 *) &r, sizeof(r)) < 0) |
5806 | return -1; | |
4abc0424 WJL |
5807 | freq = 2412 + (r % 3) * 25; |
5808 | wpa_printf(MSG_DEBUG, "P2P: Use random 2.4 GHz band " | |
5809 | "channel: %d MHz", freq); | |
5810 | } | |
5811 | } | |
5812 | ||
5813 | if (freq == 5) { | |
5814 | wpa_printf(MSG_DEBUG, "P2P: Request to start GO on 5 GHz " | |
5815 | "band"); | |
5816 | if (wpa_s->best_5_freq > 0 && | |
556b30da | 5817 | p2p_supported_freq_go(wpa_s->global->p2p, |
4abc0424 WJL |
5818 | wpa_s->best_5_freq)) { |
5819 | freq = wpa_s->best_5_freq; | |
5820 | wpa_printf(MSG_DEBUG, "P2P: Use best 5 GHz band " | |
5821 | "channel: %d MHz", freq); | |
5822 | } else { | |
df2508d7 JM |
5823 | if (os_get_random((u8 *) &r, sizeof(r)) < 0) |
5824 | return -1; | |
4abc0424 | 5825 | freq = 5180 + (r % 4) * 20; |
556b30da | 5826 | if (!p2p_supported_freq_go(wpa_s->global->p2p, freq)) { |
4abc0424 WJL |
5827 | wpa_printf(MSG_DEBUG, "P2P: Could not select " |
5828 | "5 GHz channel for P2P group"); | |
5829 | return -1; | |
5830 | } | |
5831 | wpa_printf(MSG_DEBUG, "P2P: Use random 5 GHz band " | |
5832 | "channel: %d MHz", freq); | |
5833 | } | |
5834 | } | |
5835 | ||
556b30da | 5836 | if (freq > 0 && !p2p_supported_freq_go(wpa_s->global->p2p, freq)) { |
d7f1aa8f | 5837 | if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) && |
d239ab39 | 5838 | ieee80211_is_dfs(freq, wpa_s->hw.modes, |
5839 | wpa_s->hw.num_modes)) { | |
d7f1aa8f AK |
5840 | /* |
5841 | * If freq is a DFS channel and DFS is offloaded to the | |
5842 | * driver, allow P2P GO to use it. | |
5843 | */ | |
5844 | wpa_printf(MSG_DEBUG, "P2P: " | |
5845 | "%s: The forced channel for GO (%u MHz) is DFS, and DFS is offloaded", | |
5846 | __func__, freq); | |
5847 | return freq; | |
5848 | } | |
4abc0424 WJL |
5849 | wpa_printf(MSG_DEBUG, "P2P: The forced channel for GO " |
5850 | "(%u MHz) is not supported for P2P uses", | |
5851 | freq); | |
5852 | return -1; | |
5853 | } | |
5854 | ||
5855 | return freq; | |
5856 | } | |
5857 | ||
5858 | ||
b1308121 IP |
5859 | static int wpas_p2p_supported_freq_go(struct wpa_supplicant *wpa_s, |
5860 | const struct p2p_channels *channels, | |
5861 | int freq) | |
5862 | { | |
5863 | if (!wpas_p2p_disallowed_freq(wpa_s->global, freq) && | |
5864 | p2p_supported_freq_go(wpa_s->global->p2p, freq) && | |
5865 | freq_included(wpa_s, channels, freq)) | |
5866 | return 1; | |
5867 | return 0; | |
5868 | } | |
5869 | ||
5870 | ||
5871 | static void wpas_p2p_select_go_freq_no_pref(struct wpa_supplicant *wpa_s, | |
5872 | struct p2p_go_neg_results *params, | |
5873 | const struct p2p_channels *channels) | |
28812a89 IP |
5874 | { |
5875 | unsigned int i, r; | |
5876 | ||
95d7b863 KV |
5877 | /* try all channels in operating class 115 */ |
5878 | for (i = 0; i < 4; i++) { | |
5879 | params->freq = 5180 + i * 20; | |
5880 | if (!wpas_p2p_disallowed_freq(wpa_s->global, params->freq) && | |
e280110d | 5881 | freq_included(wpa_s, channels, params->freq) && |
95d7b863 KV |
5882 | p2p_supported_freq(wpa_s->global->p2p, params->freq)) |
5883 | goto out; | |
5884 | } | |
5885 | ||
5886 | /* try all channels in operating class 124 */ | |
5887 | for (i = 0; i < 4; i++) { | |
5888 | params->freq = 5745 + i * 20; | |
5889 | if (!wpas_p2p_disallowed_freq(wpa_s->global, params->freq) && | |
e280110d | 5890 | freq_included(wpa_s, channels, params->freq) && |
95d7b863 KV |
5891 | p2p_supported_freq(wpa_s->global->p2p, params->freq)) |
5892 | goto out; | |
5893 | } | |
5894 | ||
1595eb93 AM |
5895 | /* try social channel class 180 channel 2 */ |
5896 | params->freq = 58320 + 1 * 2160; | |
5897 | if (!wpas_p2p_disallowed_freq(wpa_s->global, params->freq) && | |
e280110d | 5898 | freq_included(wpa_s, channels, params->freq) && |
1595eb93 AM |
5899 | p2p_supported_freq(wpa_s->global->p2p, params->freq)) |
5900 | goto out; | |
5901 | ||
5902 | /* try all channels in reg. class 180 */ | |
5903 | for (i = 0; i < 4; i++) { | |
5904 | params->freq = 58320 + i * 2160; | |
5905 | if (!wpas_p2p_disallowed_freq(wpa_s->global, params->freq) && | |
e280110d | 5906 | freq_included(wpa_s, channels, params->freq) && |
1595eb93 | 5907 | p2p_supported_freq(wpa_s->global->p2p, params->freq)) |
28812a89 IP |
5908 | goto out; |
5909 | } | |
5910 | ||
f5160902 SD |
5911 | /* try some random selection of the social channels */ |
5912 | if (os_get_random((u8 *) &r, sizeof(r)) < 0) | |
5913 | return; | |
5914 | ||
5915 | for (i = 0; i < 3; i++) { | |
5916 | params->freq = 2412 + ((r + i) % 3) * 25; | |
5917 | if (wpas_p2p_supported_freq_go(wpa_s, channels, params->freq)) | |
5918 | goto out; | |
5919 | } | |
5920 | ||
5921 | /* try all other channels in operating class 81 */ | |
5922 | for (i = 0; i < 11; i++) { | |
5923 | params->freq = 2412 + i * 5; | |
5924 | ||
5925 | /* skip social channels; covered in the previous loop */ | |
5926 | if (params->freq == 2412 || | |
5927 | params->freq == 2437 || | |
5928 | params->freq == 2462) | |
5929 | continue; | |
5930 | ||
5931 | if (wpas_p2p_supported_freq_go(wpa_s, channels, params->freq)) | |
5932 | goto out; | |
5933 | } | |
5934 | ||
b1308121 | 5935 | params->freq = 0; |
95d7b863 | 5936 | wpa_printf(MSG_DEBUG, "P2P: No 2.4, 5, or 60 GHz channel allowed"); |
b1308121 | 5937 | return; |
28812a89 IP |
5938 | out: |
5939 | wpa_printf(MSG_DEBUG, "P2P: Set GO freq %d MHz (no preference known)", | |
5940 | params->freq); | |
28812a89 IP |
5941 | } |
5942 | ||
5943 | ||
26eac0a9 JM |
5944 | static int wpas_same_band(int freq1, int freq2) |
5945 | { | |
5946 | enum hostapd_hw_mode mode1, mode2; | |
5947 | u8 chan1, chan2; | |
5948 | ||
5949 | mode1 = ieee80211_freq_to_chan(freq1, &chan1); | |
5950 | mode2 = ieee80211_freq_to_chan(freq2, &chan2); | |
5951 | if (mode1 == NUM_HOSTAPD_MODES) | |
5952 | return 0; | |
5953 | return mode1 == mode2; | |
5954 | } | |
5955 | ||
5956 | ||
b8349523 NKG |
5957 | static int wpas_p2p_init_go_params(struct wpa_supplicant *wpa_s, |
5958 | struct p2p_go_neg_results *params, | |
c27f4c90 | 5959 | int freq, int vht_center_freq2, int ht40, |
5a3319ab | 5960 | int vht, int max_oper_chwidth, int he, |
54733624 | 5961 | const struct p2p_channels *channels) |
b22128ef | 5962 | { |
a0c90bb0 | 5963 | struct wpa_used_freq_data *freqs; |
b1308121 | 5964 | unsigned int cand; |
0d08efa4 | 5965 | unsigned int num, i; |
23dcb302 | 5966 | int ignore_no_freqs = 0; |
c69ef1d2 | 5967 | int unused_channels = wpas_p2p_num_unused_channels(wpa_s) > 0; |
b22128ef JM |
5968 | |
5969 | os_memset(params, 0, sizeof(*params)); | |
5970 | params->role_go = 1; | |
7aeac985 | 5971 | params->ht40 = ht40; |
20ea1ca4 | 5972 | params->vht = vht; |
5a3319ab | 5973 | params->he = he; |
c27f4c90 AK |
5974 | params->max_oper_chwidth = max_oper_chwidth; |
5975 | params->vht_center_freq2 = vht_center_freq2; | |
e280110d | 5976 | |
b1308121 IP |
5977 | freqs = os_calloc(wpa_s->num_multichan_concurrent, |
5978 | sizeof(struct wpa_used_freq_data)); | |
5979 | if (!freqs) | |
5980 | return -1; | |
5981 | ||
23dcb302 IP |
5982 | num = get_shared_radio_freqs_data(wpa_s, freqs, |
5983 | wpa_s->num_multichan_concurrent); | |
5984 | ||
5985 | if (wpa_s->current_ssid && | |
5986 | wpa_s->current_ssid->mode == WPAS_MODE_P2P_GO && | |
5987 | wpa_s->wpa_state == WPA_COMPLETED) { | |
5988 | wpa_printf(MSG_DEBUG, "P2P: %s called for an active GO", | |
5989 | __func__); | |
5990 | ||
5991 | /* | |
5992 | * If the frequency selection is done for an active P2P GO that | |
5993 | * is not sharing a frequency, allow to select a new frequency | |
5994 | * even if there are no unused frequencies as we are about to | |
5995 | * move the P2P GO so its frequency can be re-used. | |
5996 | */ | |
5997 | for (i = 0; i < num; i++) { | |
5998 | if (freqs[i].freq == wpa_s->current_ssid->frequency && | |
5999 | freqs[i].flags == 0) { | |
6000 | ignore_no_freqs = 1; | |
6001 | break; | |
6002 | } | |
6003 | } | |
6004 | } | |
b1308121 IP |
6005 | |
6006 | /* try using the forced freq */ | |
7cfc4ac3 | 6007 | if (freq) { |
cc608846 SD |
6008 | if (wpas_p2p_disallowed_freq(wpa_s->global, freq) || |
6009 | !freq_included(wpa_s, channels, freq)) { | |
b1308121 | 6010 | wpa_printf(MSG_DEBUG, |
cc608846 | 6011 | "P2P: Forced GO freq %d MHz disallowed", |
b1308121 IP |
6012 | freq); |
6013 | goto fail; | |
6014 | } | |
cc608846 SD |
6015 | if (!p2p_supported_freq_go(wpa_s->global->p2p, freq)) { |
6016 | if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) && | |
d239ab39 | 6017 | ieee80211_is_dfs(freq, wpa_s->hw.modes, |
6018 | wpa_s->hw.num_modes)) { | |
cc608846 SD |
6019 | /* |
6020 | * If freq is a DFS channel and DFS is offloaded | |
6021 | * to the driver, allow P2P GO to use it. | |
6022 | */ | |
6023 | wpa_printf(MSG_DEBUG, | |
6024 | "P2P: %s: The forced channel for GO (%u MHz) requires DFS and DFS is offloaded", | |
6025 | __func__, freq); | |
6026 | } else { | |
6027 | wpa_printf(MSG_DEBUG, | |
6028 | "P2P: The forced channel for GO (%u MHz) is not supported for P2P uses", | |
6029 | freq); | |
6030 | goto fail; | |
6031 | } | |
6032 | } | |
b1308121 IP |
6033 | |
6034 | for (i = 0; i < num; i++) { | |
6035 | if (freqs[i].freq == freq) { | |
6036 | wpa_printf(MSG_DEBUG, | |
6037 | "P2P: forced freq (%d MHz) is also shared", | |
6038 | freq); | |
6039 | params->freq = freq; | |
6040 | goto success; | |
6041 | } | |
54733624 | 6042 | } |
b1308121 | 6043 | |
c69ef1d2 | 6044 | if (!ignore_no_freqs && !unused_channels) { |
b1308121 IP |
6045 | wpa_printf(MSG_DEBUG, |
6046 | "P2P: Cannot force GO on freq (%d MHz) as all the channels are in use", | |
6047 | freq); | |
6048 | goto fail; | |
6049 | } | |
6050 | ||
6051 | wpa_printf(MSG_DEBUG, | |
6052 | "P2P: force GO freq (%d MHz) on a free channel", | |
6053 | freq); | |
b22128ef | 6054 | params->freq = freq; |
b1308121 IP |
6055 | goto success; |
6056 | } | |
6057 | ||
6058 | /* consider using one of the shared frequencies */ | |
c69ef1d2 EP |
6059 | if (num && |
6060 | (!wpa_s->conf->p2p_ignore_shared_freq || !unused_channels)) { | |
b1308121 IP |
6061 | cand = wpas_p2p_pick_best_used_freq(wpa_s, freqs, num); |
6062 | if (wpas_p2p_supported_freq_go(wpa_s, channels, cand)) { | |
6063 | wpa_printf(MSG_DEBUG, | |
6064 | "P2P: Use shared freq (%d MHz) for GO", | |
4115b052 | 6065 | cand); |
b1308121 IP |
6066 | params->freq = cand; |
6067 | goto success; | |
6068 | } | |
6069 | ||
6070 | /* try using one of the shared freqs */ | |
6071 | for (i = 0; i < num; i++) { | |
6072 | if (wpas_p2p_supported_freq_go(wpa_s, channels, | |
6073 | freqs[i].freq)) { | |
6074 | wpa_printf(MSG_DEBUG, | |
6075 | "P2P: Use shared freq (%d MHz) for GO", | |
4115b052 | 6076 | freqs[i].freq); |
b1308121 IP |
6077 | params->freq = freqs[i].freq; |
6078 | goto success; | |
6079 | } | |
6080 | } | |
6081 | } | |
6082 | ||
c69ef1d2 | 6083 | if (!ignore_no_freqs && !unused_channels) { |
b1308121 IP |
6084 | wpa_printf(MSG_DEBUG, |
6085 | "P2P: Cannot force GO on any of the channels we are already using"); | |
6086 | goto fail; | |
6087 | } | |
6088 | ||
6089 | /* try using the setting from the configuration file */ | |
6090 | if (wpa_s->conf->p2p_oper_reg_class == 81 && | |
6091 | wpa_s->conf->p2p_oper_channel >= 1 && | |
6092 | wpa_s->conf->p2p_oper_channel <= 11 && | |
6093 | wpas_p2p_supported_freq_go( | |
6094 | wpa_s, channels, | |
6095 | 2407 + 5 * wpa_s->conf->p2p_oper_channel)) { | |
b22128ef | 6096 | params->freq = 2407 + 5 * wpa_s->conf->p2p_oper_channel; |
7cfc4ac3 AGS |
6097 | wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on configured " |
6098 | "frequency %d MHz", params->freq); | |
b1308121 IP |
6099 | goto success; |
6100 | } | |
6101 | ||
6102 | if ((wpa_s->conf->p2p_oper_reg_class == 115 || | |
6103 | wpa_s->conf->p2p_oper_reg_class == 116 || | |
6104 | wpa_s->conf->p2p_oper_reg_class == 117 || | |
6105 | wpa_s->conf->p2p_oper_reg_class == 124 || | |
6106 | wpa_s->conf->p2p_oper_reg_class == 125 || | |
6107 | wpa_s->conf->p2p_oper_reg_class == 126 || | |
6108 | wpa_s->conf->p2p_oper_reg_class == 127) && | |
6109 | wpas_p2p_supported_freq_go(wpa_s, channels, | |
6110 | 5000 + | |
6111 | 5 * wpa_s->conf->p2p_oper_channel)) { | |
b22128ef | 6112 | params->freq = 5000 + 5 * wpa_s->conf->p2p_oper_channel; |
7cfc4ac3 AGS |
6113 | wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on configured " |
6114 | "frequency %d MHz", params->freq); | |
b1308121 IP |
6115 | goto success; |
6116 | } | |
6117 | ||
6118 | /* Try using best channels */ | |
6119 | if (wpa_s->conf->p2p_oper_channel == 0 && | |
6120 | wpa_s->best_overall_freq > 0 && | |
6121 | wpas_p2p_supported_freq_go(wpa_s, channels, | |
6122 | wpa_s->best_overall_freq)) { | |
7cfc4ac3 AGS |
6123 | params->freq = wpa_s->best_overall_freq; |
6124 | wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on best overall " | |
6125 | "channel %d MHz", params->freq); | |
b1308121 IP |
6126 | goto success; |
6127 | } | |
6128 | ||
6129 | if (wpa_s->conf->p2p_oper_channel == 0 && | |
6130 | wpa_s->best_24_freq > 0 && | |
6131 | wpas_p2p_supported_freq_go(wpa_s, channels, | |
6132 | wpa_s->best_24_freq)) { | |
7cfc4ac3 AGS |
6133 | params->freq = wpa_s->best_24_freq; |
6134 | wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on best 2.4 GHz " | |
6135 | "channel %d MHz", params->freq); | |
b1308121 IP |
6136 | goto success; |
6137 | } | |
6138 | ||
6139 | if (wpa_s->conf->p2p_oper_channel == 0 && | |
6140 | wpa_s->best_5_freq > 0 && | |
6141 | wpas_p2p_supported_freq_go(wpa_s, channels, | |
6142 | wpa_s->best_5_freq)) { | |
7cfc4ac3 AGS |
6143 | params->freq = wpa_s->best_5_freq; |
6144 | wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on best 5 GHz " | |
6145 | "channel %d MHz", params->freq); | |
b1308121 IP |
6146 | goto success; |
6147 | } | |
6148 | ||
6149 | /* try using preferred channels */ | |
6150 | cand = p2p_get_pref_freq(wpa_s->global->p2p, channels); | |
6151 | if (cand && wpas_p2p_supported_freq_go(wpa_s, channels, cand)) { | |
6152 | params->freq = cand; | |
c6ccf12d SS |
6153 | wpa_printf(MSG_DEBUG, "P2P: Set GO freq %d MHz from preferred " |
6154 | "channels", params->freq); | |
b1308121 IP |
6155 | goto success; |
6156 | } | |
6157 | ||
26eac0a9 JM |
6158 | /* Try using a channel that allows VHT to be used with 80 MHz */ |
6159 | if (wpa_s->hw.modes && wpa_s->p2p_group_common_freqs) { | |
6160 | for (i = 0; i < wpa_s->p2p_group_common_freqs_num; i++) { | |
6161 | enum hostapd_hw_mode mode; | |
6162 | struct hostapd_hw_modes *hwmode; | |
6163 | u8 chan; | |
6164 | ||
6165 | cand = wpa_s->p2p_group_common_freqs[i]; | |
6166 | mode = ieee80211_freq_to_chan(cand, &chan); | |
6167 | hwmode = get_mode(wpa_s->hw.modes, wpa_s->hw.num_modes, | |
6168 | mode); | |
6169 | if (!hwmode || | |
6170 | wpas_p2p_verify_channel(wpa_s, hwmode, chan, | |
6171 | BW80) != ALLOWED) | |
6172 | continue; | |
6173 | if (wpas_p2p_supported_freq_go(wpa_s, channels, cand)) { | |
6174 | params->freq = cand; | |
6175 | wpa_printf(MSG_DEBUG, | |
6176 | "P2P: Use freq %d MHz common with the peer and allowing VHT80", | |
6177 | params->freq); | |
6178 | goto success; | |
6179 | } | |
6180 | } | |
6181 | } | |
6182 | ||
6183 | /* Try using a channel that allows HT to be used with 40 MHz on the same | |
6184 | * band so that CSA can be used */ | |
6185 | if (wpa_s->current_ssid && wpa_s->hw.modes && | |
6186 | wpa_s->p2p_group_common_freqs) { | |
6187 | for (i = 0; i < wpa_s->p2p_group_common_freqs_num; i++) { | |
6188 | enum hostapd_hw_mode mode; | |
6189 | struct hostapd_hw_modes *hwmode; | |
6190 | u8 chan; | |
6191 | ||
6192 | cand = wpa_s->p2p_group_common_freqs[i]; | |
6193 | mode = ieee80211_freq_to_chan(cand, &chan); | |
6194 | hwmode = get_mode(wpa_s->hw.modes, wpa_s->hw.num_modes, | |
6195 | mode); | |
6196 | if (!wpas_same_band(wpa_s->current_ssid->frequency, | |
6197 | cand) || | |
6198 | !hwmode || | |
6199 | (wpas_p2p_verify_channel(wpa_s, hwmode, chan, | |
6200 | BW40MINUS) != ALLOWED && | |
6201 | wpas_p2p_verify_channel(wpa_s, hwmode, chan, | |
6202 | BW40PLUS) != ALLOWED)) | |
6203 | continue; | |
6204 | if (wpas_p2p_supported_freq_go(wpa_s, channels, cand)) { | |
6205 | params->freq = cand; | |
6206 | wpa_printf(MSG_DEBUG, | |
6207 | "P2P: Use freq %d MHz common with the peer, allowing HT40, and maintaining same band", | |
6208 | params->freq); | |
6209 | goto success; | |
6210 | } | |
6211 | } | |
6212 | } | |
6213 | ||
6214 | /* Try using one of the group common freqs on the same band so that CSA | |
6215 | * can be used */ | |
6216 | if (wpa_s->current_ssid && wpa_s->p2p_group_common_freqs) { | |
6217 | for (i = 0; i < wpa_s->p2p_group_common_freqs_num; i++) { | |
6218 | cand = wpa_s->p2p_group_common_freqs[i]; | |
6219 | if (!wpas_same_band(wpa_s->current_ssid->frequency, | |
6220 | cand)) | |
6221 | continue; | |
6222 | if (wpas_p2p_supported_freq_go(wpa_s, channels, cand)) { | |
6223 | params->freq = cand; | |
6224 | wpa_printf(MSG_DEBUG, | |
6225 | "P2P: Use freq %d MHz common with the peer and maintaining same band", | |
6226 | params->freq); | |
6227 | goto success; | |
6228 | } | |
6229 | } | |
6230 | } | |
6231 | ||
b1308121 IP |
6232 | /* Try using one of the group common freqs */ |
6233 | if (wpa_s->p2p_group_common_freqs) { | |
e280110d | 6234 | for (i = 0; i < wpa_s->p2p_group_common_freqs_num; i++) { |
b1308121 IP |
6235 | cand = wpa_s->p2p_group_common_freqs[i]; |
6236 | if (wpas_p2p_supported_freq_go(wpa_s, channels, cand)) { | |
6237 | params->freq = cand; | |
e280110d IP |
6238 | wpa_printf(MSG_DEBUG, |
6239 | "P2P: Use freq %d MHz common with the peer", | |
6240 | params->freq); | |
b1308121 | 6241 | goto success; |
e280110d IP |
6242 | } |
6243 | } | |
7cfc4ac3 AGS |
6244 | } |
6245 | ||
b1308121 IP |
6246 | /* no preference, select some channel */ |
6247 | wpas_p2p_select_go_freq_no_pref(wpa_s, params, channels); | |
a0c90bb0 | 6248 | |
b1308121 IP |
6249 | if (params->freq == 0) { |
6250 | wpa_printf(MSG_DEBUG, "P2P: did not find a freq for GO use"); | |
6251 | goto fail; | |
0d08efa4 | 6252 | } |
7d669cf7 | 6253 | |
b1308121 | 6254 | success: |
0d08efa4 | 6255 | os_free(freqs); |
b8349523 | 6256 | return 0; |
b1308121 IP |
6257 | fail: |
6258 | os_free(freqs); | |
6259 | return -1; | |
b22128ef JM |
6260 | } |
6261 | ||
6262 | ||
6263 | static struct wpa_supplicant * | |
6264 | wpas_p2p_get_group_iface(struct wpa_supplicant *wpa_s, int addr_allocated, | |
6265 | int go) | |
6266 | { | |
6267 | struct wpa_supplicant *group_wpa_s; | |
6268 | ||
ac06fb12 | 6269 | if (!wpas_p2p_create_iface(wpa_s)) { |
96a26ab7 LD |
6270 | if (wpa_s->p2p_mgmt) { |
6271 | /* | |
6272 | * We may be called on the p2p_dev interface which | |
6273 | * cannot be used for group operations, so always use | |
6274 | * the primary interface. | |
6275 | */ | |
6276 | wpa_s->parent->p2pdev = wpa_s; | |
6277 | wpa_s = wpa_s->parent; | |
6278 | } | |
6279 | wpa_dbg(wpa_s, MSG_DEBUG, | |
6280 | "P2P: Use primary interface for group operations"); | |
bbc6c729 | 6281 | wpa_s->p2p_first_connection_timeout = 0; |
96a26ab7 | 6282 | if (wpa_s != wpa_s->p2pdev) |
9b377be0 | 6283 | wpas_p2p_clone_config(wpa_s, wpa_s->p2pdev); |
b22128ef | 6284 | return wpa_s; |
ac06fb12 | 6285 | } |
b22128ef JM |
6286 | |
6287 | if (wpas_p2p_add_group_interface(wpa_s, go ? WPA_IF_P2P_GO : | |
ac06fb12 | 6288 | WPA_IF_P2P_CLIENT) < 0) { |
92c4465b JM |
6289 | wpa_msg_global(wpa_s, MSG_ERROR, |
6290 | "P2P: Failed to add group interface"); | |
b22128ef | 6291 | return NULL; |
ac06fb12 | 6292 | } |
b22128ef JM |
6293 | group_wpa_s = wpas_p2p_init_group_interface(wpa_s, go); |
6294 | if (group_wpa_s == NULL) { | |
92c4465b JM |
6295 | wpa_msg_global(wpa_s, MSG_ERROR, |
6296 | "P2P: Failed to initialize group interface"); | |
b22128ef JM |
6297 | wpas_p2p_remove_pending_group_interface(wpa_s); |
6298 | return NULL; | |
6299 | } | |
6300 | ||
37ed3254 SD |
6301 | if (go && wpa_s->p2p_go_do_acs) { |
6302 | group_wpa_s->p2p_go_do_acs = wpa_s->p2p_go_do_acs; | |
6303 | group_wpa_s->p2p_go_acs_band = wpa_s->p2p_go_acs_band; | |
6304 | wpa_s->p2p_go_do_acs = 0; | |
6305 | } | |
6306 | ||
ac06fb12 JM |
6307 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Use separate group interface %s", |
6308 | group_wpa_s->ifname); | |
bbc6c729 | 6309 | group_wpa_s->p2p_first_connection_timeout = 0; |
b22128ef JM |
6310 | return group_wpa_s; |
6311 | } | |
6312 | ||
6313 | ||
6314 | /** | |
6315 | * wpas_p2p_group_add - Add a new P2P group with local end as Group Owner | |
6316 | * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface() | |
6317 | * @persistent_group: Whether to create a persistent group | |
6318 | * @freq: Frequency for the group or 0 to indicate no hardcoding | |
c27f4c90 | 6319 | * @vht_center_freq2: segment_1 center frequency for GO operating in VHT 80P80 |
20ea1ca4 EP |
6320 | * @ht40: Start GO with 40 MHz channel width |
6321 | * @vht: Start GO with VHT support | |
c27f4c90 | 6322 | * @vht_chwidth: channel bandwidth for GO operating with VHT support |
b22128ef JM |
6323 | * Returns: 0 on success, -1 on failure |
6324 | * | |
6325 | * This function creates a new P2P group with the local end as the Group Owner, | |
6326 | * i.e., without using Group Owner Negotiation. | |
6327 | */ | |
6328 | int wpas_p2p_group_add(struct wpa_supplicant *wpa_s, int persistent_group, | |
c27f4c90 | 6329 | int freq, int vht_center_freq2, int ht40, int vht, |
5a3319ab | 6330 | int max_oper_chwidth, int he) |
b22128ef JM |
6331 | { |
6332 | struct p2p_go_neg_results params; | |
7cfc4ac3 | 6333 | |
9526fd29 JM |
6334 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
6335 | return -1; | |
6336 | ||
01a57fe4 JM |
6337 | os_free(wpa_s->global->add_psk); |
6338 | wpa_s->global->add_psk = NULL; | |
6339 | ||
2d4f15d6 JJ |
6340 | /* Make sure we are not running find during connection establishment */ |
6341 | wpa_printf(MSG_DEBUG, "P2P: Stop any on-going P2P FIND"); | |
8713a2e6 | 6342 | wpas_p2p_stop_find_oper(wpa_s); |
2d4f15d6 | 6343 | |
37ed3254 SD |
6344 | if (!wpa_s->p2p_go_do_acs) { |
6345 | freq = wpas_p2p_select_go_freq(wpa_s, freq); | |
6346 | if (freq < 0) | |
6347 | return -1; | |
6348 | } | |
4ae4650b | 6349 | |
c27f4c90 | 6350 | if (wpas_p2p_init_go_params(wpa_s, ¶ms, freq, vht_center_freq2, |
5a3319ab | 6351 | ht40, vht, max_oper_chwidth, he, NULL)) |
b8349523 | 6352 | return -1; |
cc608846 | 6353 | |
b22128ef JM |
6354 | p2p_go_params(wpa_s->global->p2p, ¶ms); |
6355 | params.persistent_group = persistent_group; | |
6356 | ||
6357 | wpa_s = wpas_p2p_get_group_iface(wpa_s, 0, 1); | |
6358 | if (wpa_s == NULL) | |
6359 | return -1; | |
6360 | wpas_start_wps_go(wpa_s, ¶ms, 0); | |
6361 | ||
6362 | return 0; | |
6363 | } | |
6364 | ||
6365 | ||
6366 | static int wpas_start_p2p_client(struct wpa_supplicant *wpa_s, | |
41d5ce9e | 6367 | struct wpa_ssid *params, int addr_allocated, |
dfaf11d6 | 6368 | int freq, int force_scan) |
b22128ef JM |
6369 | { |
6370 | struct wpa_ssid *ssid; | |
6371 | ||
6372 | wpa_s = wpas_p2p_get_group_iface(wpa_s, addr_allocated, 0); | |
6373 | if (wpa_s == NULL) | |
6374 | return -1; | |
dfaf11d6 JM |
6375 | if (force_scan) |
6376 | os_get_reltime(&wpa_s->scan_min_time); | |
5bf9a6c8 | 6377 | wpa_s->p2p_last_4way_hs_fail = NULL; |
b22128ef JM |
6378 | |
6379 | wpa_supplicant_ap_deinit(wpa_s); | |
6380 | ||
6381 | ssid = wpa_config_add_network(wpa_s->conf); | |
6382 | if (ssid == NULL) | |
6383 | return -1; | |
9f59fe8d | 6384 | os_memset(wpa_s->go_dev_addr, 0, ETH_ALEN); |
b22128ef JM |
6385 | wpa_config_set_network_defaults(ssid); |
6386 | ssid->temporary = 1; | |
6387 | ssid->proto = WPA_PROTO_RSN; | |
f347429c LD |
6388 | ssid->pbss = params->pbss; |
6389 | ssid->pairwise_cipher = params->pbss ? WPA_CIPHER_GCMP : | |
6390 | WPA_CIPHER_CCMP; | |
6391 | ssid->group_cipher = params->pbss ? WPA_CIPHER_GCMP : WPA_CIPHER_CCMP; | |
b22128ef JM |
6392 | ssid->key_mgmt = WPA_KEY_MGMT_PSK; |
6393 | ssid->ssid = os_malloc(params->ssid_len); | |
6394 | if (ssid->ssid == NULL) { | |
b22128ef JM |
6395 | wpa_config_remove_network(wpa_s->conf, ssid->id); |
6396 | return -1; | |
6397 | } | |
6398 | os_memcpy(ssid->ssid, params->ssid, params->ssid_len); | |
6399 | ssid->ssid_len = params->ssid_len; | |
6400 | ssid->p2p_group = 1; | |
d1c8ac88 | 6401 | ssid->export_keys = 1; |
b22128ef JM |
6402 | if (params->psk_set) { |
6403 | os_memcpy(ssid->psk, params->psk, 32); | |
6404 | ssid->psk_set = 1; | |
6405 | } | |
6406 | if (params->passphrase) | |
6407 | ssid->passphrase = os_strdup(params->passphrase); | |
6408 | ||
b22128ef | 6409 | wpa_s->show_group_started = 1; |
41d5ce9e RR |
6410 | wpa_s->p2p_in_invitation = 1; |
6411 | wpa_s->p2p_invite_go_freq = freq; | |
bf3214b5 JM |
6412 | wpa_s->p2p_go_group_formation_completed = 0; |
6413 | wpa_s->global->p2p_group_formation = wpa_s; | |
b22128ef | 6414 | |
ba307f85 | 6415 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s->p2pdev, |
91364b7f SDU |
6416 | NULL); |
6417 | eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT, 0, | |
6418 | wpas_p2p_group_formation_timeout, | |
ba307f85 | 6419 | wpa_s->p2pdev, NULL); |
6fc48481 RR |
6420 | wpa_supplicant_select_network(wpa_s, ssid); |
6421 | ||
b22128ef JM |
6422 | return 0; |
6423 | } | |
6424 | ||
6425 | ||
6426 | int wpas_p2p_group_add_persistent(struct wpa_supplicant *wpa_s, | |
6427 | struct wpa_ssid *ssid, int addr_allocated, | |
c27f4c90 AK |
6428 | int force_freq, int neg_freq, |
6429 | int vht_center_freq2, int ht40, | |
5a3319ab | 6430 | int vht, int max_oper_chwidth, int he, |
c27f4c90 | 6431 | const struct p2p_channels *channels, |
dfaf11d6 | 6432 | int connection_timeout, int force_scan) |
b22128ef JM |
6433 | { |
6434 | struct p2p_go_neg_results params; | |
062a7c0d | 6435 | int go = 0, freq; |
b22128ef JM |
6436 | |
6437 | if (ssid->disabled != 2 || ssid->ssid == NULL) | |
6438 | return -1; | |
6439 | ||
6c0da49f JM |
6440 | if (wpas_get_p2p_group(wpa_s, ssid->ssid, ssid->ssid_len, &go) && |
6441 | go == (ssid->mode == WPAS_MODE_P2P_GO)) { | |
6442 | wpa_printf(MSG_DEBUG, "P2P: Requested persistent group is " | |
6443 | "already running"); | |
ccad05a9 KV |
6444 | if (go == 0 && |
6445 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, | |
ba307f85 | 6446 | wpa_s->p2pdev, NULL)) { |
ccad05a9 KV |
6447 | /* |
6448 | * This can happen if Invitation Response frame was lost | |
6449 | * and the peer (GO of a persistent group) tries to | |
6450 | * invite us again. Reschedule the timeout to avoid | |
6451 | * terminating the wait for the connection too early | |
6452 | * since we now know that the peer is still trying to | |
6453 | * invite us instead of having already started the GO. | |
6454 | */ | |
6455 | wpa_printf(MSG_DEBUG, | |
6456 | "P2P: Reschedule group formation timeout since peer is still trying to invite us"); | |
6457 | eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT, 0, | |
6458 | wpas_p2p_group_formation_timeout, | |
ba307f85 | 6459 | wpa_s->p2pdev, NULL); |
ccad05a9 | 6460 | } |
6c0da49f JM |
6461 | return 0; |
6462 | } | |
6463 | ||
01a57fe4 JM |
6464 | os_free(wpa_s->global->add_psk); |
6465 | wpa_s->global->add_psk = NULL; | |
6466 | ||
9d39057c | 6467 | /* Make sure we are not running find during connection establishment */ |
8713a2e6 | 6468 | wpas_p2p_stop_find_oper(wpa_s); |
b22128ef | 6469 | |
aa9bb764 JM |
6470 | wpa_s->p2p_fallback_to_go_neg = 0; |
6471 | ||
431dd8bb MK |
6472 | if (ssid->mode == WPAS_MODE_P2P_GO) { |
6473 | if (force_freq > 0) { | |
6474 | freq = wpas_p2p_select_go_freq(wpa_s, force_freq); | |
6475 | if (freq < 0) | |
6476 | return -1; | |
6477 | } else { | |
6478 | freq = wpas_p2p_select_go_freq(wpa_s, neg_freq); | |
6479 | if (freq < 0 || | |
e280110d | 6480 | (freq > 0 && !freq_included(wpa_s, channels, freq))) |
431dd8bb MK |
6481 | freq = 0; |
6482 | } | |
989e7846 | 6483 | } else if (ssid->mode == WPAS_MODE_INFRA) { |
431dd8bb | 6484 | freq = neg_freq; |
e280110d | 6485 | if (freq <= 0 || !freq_included(wpa_s, channels, freq)) { |
989e7846 AS |
6486 | struct os_reltime now; |
6487 | struct wpa_bss *bss = | |
6488 | wpa_bss_get_p2p_dev_addr(wpa_s, ssid->bssid); | |
6489 | ||
6490 | os_get_reltime(&now); | |
6491 | if (bss && | |
6492 | !os_reltime_expired(&now, &bss->last_update, 5) && | |
e280110d | 6493 | freq_included(wpa_s, channels, bss->freq)) |
989e7846 AS |
6494 | freq = bss->freq; |
6495 | else | |
6496 | freq = 0; | |
6497 | } | |
4abc0424 | 6498 | |
dfaf11d6 JM |
6499 | return wpas_start_p2p_client(wpa_s, ssid, addr_allocated, freq, |
6500 | force_scan); | |
989e7846 | 6501 | } else { |
41d5ce9e | 6502 | return -1; |
989e7846 | 6503 | } |
41d5ce9e | 6504 | |
c27f4c90 | 6505 | if (wpas_p2p_init_go_params(wpa_s, ¶ms, freq, vht_center_freq2, |
5a3319ab | 6506 | ht40, vht, max_oper_chwidth, he, channels)) |
b8349523 | 6507 | return -1; |
b22128ef JM |
6508 | |
6509 | params.role_go = 1; | |
30c371e8 MH |
6510 | params.psk_set = ssid->psk_set; |
6511 | if (params.psk_set) | |
6512 | os_memcpy(params.psk, ssid->psk, sizeof(params.psk)); | |
bb4d4deb MH |
6513 | if (ssid->passphrase) { |
6514 | if (os_strlen(ssid->passphrase) >= sizeof(params.passphrase)) { | |
6515 | wpa_printf(MSG_ERROR, "P2P: Invalid passphrase in " | |
6516 | "persistent group"); | |
6517 | return -1; | |
6518 | } | |
6519 | os_strlcpy(params.passphrase, ssid->passphrase, | |
6520 | sizeof(params.passphrase)); | |
b22128ef | 6521 | } |
b22128ef JM |
6522 | os_memcpy(params.ssid, ssid->ssid, ssid->ssid_len); |
6523 | params.ssid_len = ssid->ssid_len; | |
6524 | params.persistent_group = 1; | |
6525 | ||
6526 | wpa_s = wpas_p2p_get_group_iface(wpa_s, addr_allocated, 1); | |
6527 | if (wpa_s == NULL) | |
6528 | return -1; | |
6529 | ||
1170239e IP |
6530 | p2p_channels_to_freqs(channels, params.freq_list, P2P_MAX_CHANNELS); |
6531 | ||
bbc6c729 | 6532 | wpa_s->p2p_first_connection_timeout = connection_timeout; |
b22128ef JM |
6533 | wpas_start_wps_go(wpa_s, ¶ms, 0); |
6534 | ||
6535 | return 0; | |
6536 | } | |
6537 | ||
6538 | ||
6539 | static void wpas_p2p_ie_update(void *ctx, struct wpabuf *beacon_ies, | |
6540 | struct wpabuf *proberesp_ies) | |
6541 | { | |
6542 | struct wpa_supplicant *wpa_s = ctx; | |
6543 | if (wpa_s->ap_iface) { | |
6544 | struct hostapd_data *hapd = wpa_s->ap_iface->bss[0]; | |
adc33680 JM |
6545 | if (!(hapd->conf->p2p & P2P_GROUP_OWNER)) { |
6546 | wpabuf_free(beacon_ies); | |
6547 | wpabuf_free(proberesp_ies); | |
6548 | return; | |
6549 | } | |
b22128ef JM |
6550 | if (beacon_ies) { |
6551 | wpabuf_free(hapd->p2p_beacon_ie); | |
6552 | hapd->p2p_beacon_ie = beacon_ies; | |
6553 | } | |
6554 | wpabuf_free(hapd->p2p_probe_resp_ie); | |
6555 | hapd->p2p_probe_resp_ie = proberesp_ies; | |
6556 | } else { | |
6557 | wpabuf_free(beacon_ies); | |
6558 | wpabuf_free(proberesp_ies); | |
6559 | } | |
6560 | wpa_supplicant_ap_update_beacon(wpa_s); | |
6561 | } | |
6562 | ||
6563 | ||
3071e181 JM |
6564 | static void wpas_p2p_idle_update(void *ctx, int idle) |
6565 | { | |
6566 | struct wpa_supplicant *wpa_s = ctx; | |
6567 | if (!wpa_s->ap_iface) | |
6568 | return; | |
6569 | wpa_printf(MSG_DEBUG, "P2P: GO - group %sidle", idle ? "" : "not "); | |
95fb2db2 JM |
6570 | if (idle) { |
6571 | if (wpa_s->global->p2p_fail_on_wps_complete && | |
6572 | wpa_s->p2p_in_provisioning) { | |
6573 | wpas_p2p_grpform_fail_after_wps(wpa_s); | |
6574 | return; | |
6575 | } | |
3071e181 | 6576 | wpas_p2p_set_group_idle_timeout(wpa_s); |
95fb2db2 | 6577 | } else |
3071e181 JM |
6578 | eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL); |
6579 | } | |
6580 | ||
6581 | ||
b22128ef | 6582 | struct p2p_group * wpas_p2p_group_init(struct wpa_supplicant *wpa_s, |
6f251b6b | 6583 | struct wpa_ssid *ssid) |
b22128ef JM |
6584 | { |
6585 | struct p2p_group *group; | |
6586 | struct p2p_group_config *cfg; | |
6587 | ||
ad6cee3f JM |
6588 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL || |
6589 | !ssid->p2p_group) | |
9526fd29 | 6590 | return NULL; |
3ac17eba | 6591 | |
b22128ef JM |
6592 | cfg = os_zalloc(sizeof(*cfg)); |
6593 | if (cfg == NULL) | |
6594 | return NULL; | |
6595 | ||
6f251b6b | 6596 | if (ssid->p2p_persistent_group && wpa_s->conf->persistent_reconnect) |
acc247b2 | 6597 | cfg->persistent_group = 2; |
6f251b6b | 6598 | else if (ssid->p2p_persistent_group) |
acc247b2 | 6599 | cfg->persistent_group = 1; |
b22128ef | 6600 | os_memcpy(cfg->interface_addr, wpa_s->own_addr, ETH_ALEN); |
3f4ce13f JM |
6601 | if (wpa_s->max_stations && |
6602 | wpa_s->max_stations < wpa_s->conf->max_num_sta) | |
6603 | cfg->max_clients = wpa_s->max_stations; | |
6604 | else | |
6605 | cfg->max_clients = wpa_s->conf->max_num_sta; | |
6f251b6b JM |
6606 | os_memcpy(cfg->ssid, ssid->ssid, ssid->ssid_len); |
6607 | cfg->ssid_len = ssid->ssid_len; | |
ea43ad96 | 6608 | cfg->freq = ssid->frequency; |
b22128ef JM |
6609 | cfg->cb_ctx = wpa_s; |
6610 | cfg->ie_update = wpas_p2p_ie_update; | |
3071e181 | 6611 | cfg->idle_update = wpas_p2p_idle_update; |
f7648c86 JM |
6612 | cfg->ip_addr_alloc = WPA_GET_BE32(wpa_s->p2pdev->conf->ip_addr_start) |
6613 | != 0; | |
b22128ef JM |
6614 | |
6615 | group = p2p_group_init(wpa_s->global->p2p, cfg); | |
6616 | if (group == NULL) | |
6617 | os_free(cfg); | |
6f251b6b | 6618 | if (ssid->mode != WPAS_MODE_P2P_GROUP_FORMATION) |
b22128ef JM |
6619 | p2p_group_notif_formation_done(group); |
6620 | wpa_s->p2p_group = group; | |
6621 | return group; | |
6622 | } | |
6623 | ||
6624 | ||
6625 | void wpas_p2p_wps_success(struct wpa_supplicant *wpa_s, const u8 *peer_addr, | |
6626 | int registrar) | |
6627 | { | |
10531d21 JM |
6628 | struct wpa_ssid *ssid = wpa_s->current_ssid; |
6629 | ||
b22128ef JM |
6630 | if (!wpa_s->p2p_in_provisioning) { |
6631 | wpa_printf(MSG_DEBUG, "P2P: Ignore WPS success event - P2P " | |
6632 | "provisioning not in progress"); | |
6633 | return; | |
6634 | } | |
6635 | ||
10531d21 JM |
6636 | if (ssid && ssid->mode == WPAS_MODE_INFRA) { |
6637 | u8 go_dev_addr[ETH_ALEN]; | |
6638 | os_memcpy(go_dev_addr, wpa_s->bssid, ETH_ALEN); | |
6639 | wpas_p2p_persistent_group(wpa_s, go_dev_addr, ssid->ssid, | |
6640 | ssid->ssid_len); | |
6641 | /* Clear any stored provisioning info */ | |
6642 | p2p_clear_provisioning_info(wpa_s->global->p2p, go_dev_addr); | |
6643 | } | |
ec437d9e | 6644 | |
ba307f85 | 6645 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s->p2pdev, |
b22128ef | 6646 | NULL); |
41f85323 | 6647 | wpa_s->p2p_go_group_formation_completed = 1; |
361cdf34 JM |
6648 | if (ssid && ssid->mode == WPAS_MODE_INFRA) { |
6649 | /* | |
6650 | * Use a separate timeout for initial data connection to | |
6651 | * complete to allow the group to be removed automatically if | |
6652 | * something goes wrong in this step before the P2P group idle | |
6653 | * timeout mechanism is taken into use. | |
6654 | */ | |
41f85323 JM |
6655 | wpa_dbg(wpa_s, MSG_DEBUG, |
6656 | "P2P: Re-start group formation timeout (%d seconds) as client for initial connection", | |
6657 | P2P_MAX_INITIAL_CONN_WAIT); | |
361cdf34 JM |
6658 | eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT, 0, |
6659 | wpas_p2p_group_formation_timeout, | |
ba307f85 | 6660 | wpa_s->p2pdev, NULL); |
328f49ac JM |
6661 | /* Complete group formation on successful data connection. */ |
6662 | wpa_s->p2p_go_group_formation_completed = 0; | |
41f85323 JM |
6663 | } else if (ssid) { |
6664 | /* | |
6665 | * Use a separate timeout for initial data connection to | |
6666 | * complete to allow the group to be removed automatically if | |
6667 | * the client does not complete data connection successfully. | |
6668 | */ | |
6669 | wpa_dbg(wpa_s, MSG_DEBUG, | |
6670 | "P2P: Re-start group formation timeout (%d seconds) as GO for initial connection", | |
6671 | P2P_MAX_INITIAL_CONN_WAIT_GO); | |
6672 | eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT_GO, 0, | |
6673 | wpas_p2p_group_formation_timeout, | |
ba307f85 | 6674 | wpa_s->p2pdev, NULL); |
41f85323 JM |
6675 | /* |
6676 | * Complete group formation on first successful data connection | |
6677 | */ | |
6678 | wpa_s->p2p_go_group_formation_completed = 0; | |
361cdf34 | 6679 | } |
b22128ef JM |
6680 | if (wpa_s->global->p2p) |
6681 | p2p_wps_success_cb(wpa_s->global->p2p, peer_addr); | |
d95c5994 | 6682 | wpas_group_formation_completed(wpa_s, 1, 0); |
b22128ef JM |
6683 | } |
6684 | ||
6685 | ||
3734552f JS |
6686 | void wpas_p2p_wps_failed(struct wpa_supplicant *wpa_s, |
6687 | struct wps_event_fail *fail) | |
6688 | { | |
6689 | if (!wpa_s->p2p_in_provisioning) { | |
6690 | wpa_printf(MSG_DEBUG, "P2P: Ignore WPS fail event - P2P " | |
6691 | "provisioning not in progress"); | |
6692 | return; | |
6693 | } | |
ec437d9e JJ |
6694 | |
6695 | if (wpa_s->go_params) { | |
6696 | p2p_clear_provisioning_info( | |
6697 | wpa_s->global->p2p, | |
10531d21 | 6698 | wpa_s->go_params->peer_device_addr); |
ec437d9e JJ |
6699 | } |
6700 | ||
3734552f | 6701 | wpas_notify_p2p_wps_failed(wpa_s, fail); |
95fb2db2 JM |
6702 | |
6703 | if (wpa_s == wpa_s->global->p2p_group_formation) { | |
6704 | /* | |
6705 | * Allow some time for the failed WPS negotiation exchange to | |
6706 | * complete, but remove the group since group formation cannot | |
6707 | * succeed after provisioning failure. | |
6708 | */ | |
6709 | wpa_printf(MSG_DEBUG, "P2P: WPS step failed during group formation - reject connection from timeout"); | |
6710 | wpa_s->global->p2p_fail_on_wps_complete = 1; | |
6711 | eloop_deplete_timeout(0, 50000, | |
6712 | wpas_p2p_group_formation_timeout, | |
ba307f85 | 6713 | wpa_s->p2pdev, NULL); |
95fb2db2 JM |
6714 | } |
6715 | } | |
6716 | ||
6717 | ||
6718 | int wpas_p2p_wps_eapol_cb(struct wpa_supplicant *wpa_s) | |
6719 | { | |
6720 | if (!wpa_s->global->p2p_fail_on_wps_complete || | |
6721 | !wpa_s->p2p_in_provisioning) | |
6722 | return 0; | |
6723 | ||
6724 | wpas_p2p_grpform_fail_after_wps(wpa_s); | |
6725 | ||
6726 | return 1; | |
3734552f JS |
6727 | } |
6728 | ||
6729 | ||
b22128ef | 6730 | int wpas_p2p_prov_disc(struct wpa_supplicant *wpa_s, const u8 *peer_addr, |
0918c4bf | 6731 | const char *config_method, |
6d908514 KV |
6732 | enum wpas_p2p_prov_disc_use use, |
6733 | struct p2ps_provision *p2ps_prov) | |
b22128ef JM |
6734 | { |
6735 | u16 config_methods; | |
6736 | ||
9a58e521 | 6737 | wpa_s->global->pending_p2ps_group = 0; |
8bb8e6ed | 6738 | wpa_s->global->pending_p2ps_group_freq = 0; |
aa9bb764 | 6739 | wpa_s->p2p_fallback_to_go_neg = 0; |
0918c4bf | 6740 | wpa_s->pending_pd_use = NORMAL_PD; |
6d908514 KV |
6741 | if (p2ps_prov && use == WPAS_P2P_PD_FOR_ASP) { |
6742 | p2ps_prov->conncap = p2ps_group_capability( | |
ebd32943 IP |
6743 | wpa_s, P2PS_SETUP_NONE, p2ps_prov->role, |
6744 | &p2ps_prov->force_freq, &p2ps_prov->pref_freq); | |
6745 | ||
6d908514 KV |
6746 | wpa_printf(MSG_DEBUG, |
6747 | "P2P: %s conncap: %d - ASP parsed: %x %x %d %s", | |
6748 | __func__, p2ps_prov->conncap, | |
6749 | p2ps_prov->adv_id, p2ps_prov->conncap, | |
6750 | p2ps_prov->status, p2ps_prov->info); | |
6751 | ||
6752 | config_methods = 0; | |
6753 | } else if (os_strncmp(config_method, "display", 7) == 0) | |
b22128ef | 6754 | config_methods = WPS_CONFIG_DISPLAY; |
8c5f7309 | 6755 | else if (os_strncmp(config_method, "keypad", 6) == 0) |
b22128ef | 6756 | config_methods = WPS_CONFIG_KEYPAD; |
8c5f7309 JJ |
6757 | else if (os_strncmp(config_method, "pbc", 3) == 0 || |
6758 | os_strncmp(config_method, "pushbutton", 10) == 0) | |
b22128ef | 6759 | config_methods = WPS_CONFIG_PUSHBUTTON; |
8c5f7309 JJ |
6760 | else { |
6761 | wpa_printf(MSG_DEBUG, "P2P: Unknown config method"); | |
6d908514 | 6762 | os_free(p2ps_prov); |
b22128ef | 6763 | return -1; |
8c5f7309 | 6764 | } |
b22128ef | 6765 | |
0918c4bf JM |
6766 | if (use == WPAS_P2P_PD_AUTO) { |
6767 | os_memcpy(wpa_s->pending_join_dev_addr, peer_addr, ETH_ALEN); | |
6768 | wpa_s->pending_pd_config_methods = config_methods; | |
6769 | wpa_s->p2p_auto_pd = 1; | |
6770 | wpa_s->p2p_auto_join = 0; | |
6771 | wpa_s->pending_pd_before_join = 0; | |
84286a22 | 6772 | wpa_s->auto_pd_scan_retry = 0; |
0918c4bf JM |
6773 | wpas_p2p_stop_find(wpa_s); |
6774 | wpa_s->p2p_join_scan_count = 0; | |
acb69cec | 6775 | os_get_reltime(&wpa_s->p2p_auto_started); |
84286a22 SDU |
6776 | wpa_printf(MSG_DEBUG, "P2P: Auto PD started at %ld.%06ld", |
6777 | wpa_s->p2p_auto_started.sec, | |
6778 | wpa_s->p2p_auto_started.usec); | |
0918c4bf JM |
6779 | wpas_p2p_join_scan(wpa_s, NULL); |
6780 | return 0; | |
6781 | } | |
6782 | ||
6d908514 KV |
6783 | if (wpa_s->global->p2p == NULL || wpa_s->global->p2p_disabled) { |
6784 | os_free(p2ps_prov); | |
b22128ef | 6785 | return -1; |
6d908514 | 6786 | } |
b22128ef | 6787 | |
6d908514 | 6788 | return p2p_prov_disc_req(wpa_s->global->p2p, peer_addr, p2ps_prov, |
0918c4bf | 6789 | config_methods, use == WPAS_P2P_PD_FOR_JOIN, |
67527166 | 6790 | 0, 1); |
b22128ef JM |
6791 | } |
6792 | ||
6793 | ||
6794 | int wpas_p2p_scan_result_text(const u8 *ies, size_t ies_len, char *buf, | |
6795 | char *end) | |
6796 | { | |
6797 | return p2p_scan_result_text(ies, ies_len, buf, end); | |
6798 | } | |
6799 | ||
6800 | ||
1cc3a29d JM |
6801 | static void wpas_p2p_clear_pending_action_tx(struct wpa_supplicant *wpa_s) |
6802 | { | |
2f3101d8 | 6803 | if (!offchannel_pending_action_tx(wpa_s)) |
1cc3a29d JM |
6804 | return; |
6805 | ||
944f6935 | 6806 | if (wpa_s->p2p_send_action_work) { |
2c51c0bd | 6807 | wpas_p2p_free_send_action_work(wpa_s); |
944f6935 JM |
6808 | eloop_cancel_timeout(wpas_p2p_send_action_work_timeout, |
6809 | wpa_s, NULL); | |
6810 | offchannel_send_action_done(wpa_s); | |
6811 | } | |
2fa980f0 | 6812 | |
1cc3a29d JM |
6813 | wpa_printf(MSG_DEBUG, "P2P: Drop pending Action TX due to new " |
6814 | "operation request"); | |
2f3101d8 | 6815 | offchannel_clear_pending_action_tx(wpa_s); |
1cc3a29d JM |
6816 | } |
6817 | ||
6818 | ||
b22128ef | 6819 | int wpas_p2p_find(struct wpa_supplicant *wpa_s, unsigned int timeout, |
046ef4aa | 6820 | enum p2p_discovery_type type, |
6d92fa6e | 6821 | unsigned int num_req_dev_types, const u8 *req_dev_types, |
51775096 | 6822 | const u8 *dev_id, unsigned int search_delay, |
fa9f381f | 6823 | u8 seek_cnt, const char **seek_string, int freq) |
b22128ef | 6824 | { |
1cc3a29d | 6825 | wpas_p2p_clear_pending_action_tx(wpa_s); |
b22128ef JM |
6826 | wpa_s->p2p_long_listen = 0; |
6827 | ||
5bda43cd | 6828 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL || |
2c9d9249 JM |
6829 | wpa_s->p2p_in_provisioning) { |
6830 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Reject p2p_find operation%s%s", | |
6831 | (wpa_s->global->p2p_disabled || !wpa_s->global->p2p) ? | |
6832 | " (P2P disabled)" : "", | |
6833 | wpa_s->p2p_in_provisioning ? | |
6834 | " (p2p_in_provisioning)" : ""); | |
9526fd29 | 6835 | return -1; |
2c9d9249 | 6836 | } |
9526fd29 | 6837 | |
433cd2ce JM |
6838 | wpa_supplicant_cancel_sched_scan(wpa_s); |
6839 | ||
046ef4aa | 6840 | return p2p_find(wpa_s->global->p2p, timeout, type, |
37448ede | 6841 | num_req_dev_types, req_dev_types, dev_id, |
fa9f381f | 6842 | search_delay, seek_cnt, seek_string, freq); |
b22128ef JM |
6843 | } |
6844 | ||
6845 | ||
477b082c SD |
6846 | static void wpas_p2p_scan_res_ignore_search(struct wpa_supplicant *wpa_s, |
6847 | struct wpa_scan_results *scan_res) | |
6848 | { | |
6849 | wpa_printf(MSG_DEBUG, "P2P: Ignore scan results"); | |
6850 | ||
6851 | if (wpa_s->p2p_scan_work) { | |
6852 | struct wpa_radio_work *work = wpa_s->p2p_scan_work; | |
6853 | wpa_s->p2p_scan_work = NULL; | |
6854 | radio_work_done(work); | |
6855 | } | |
6856 | ||
6857 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) | |
6858 | return; | |
6859 | ||
6860 | /* | |
6861 | * Indicate that results have been processed so that the P2P module can | |
6862 | * continue pending tasks. | |
6863 | */ | |
6864 | p2p_scan_res_handled(wpa_s->global->p2p); | |
6865 | } | |
6866 | ||
6867 | ||
a6294141 | 6868 | static void wpas_p2p_stop_find_oper(struct wpa_supplicant *wpa_s) |
b22128ef | 6869 | { |
1cc3a29d | 6870 | wpas_p2p_clear_pending_action_tx(wpa_s); |
b22128ef | 6871 | wpa_s->p2p_long_listen = 0; |
9d39057c | 6872 | eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL); |
ef922c4a | 6873 | eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL); |
b22128ef | 6874 | |
9526fd29 JM |
6875 | if (wpa_s->global->p2p) |
6876 | p2p_stop_find(wpa_s->global->p2p); | |
477b082c SD |
6877 | |
6878 | if (wpa_s->scan_res_handler == wpas_p2p_scan_res_handler) { | |
6879 | wpa_printf(MSG_DEBUG, | |
6880 | "P2P: Do not consider the scan results after stop_find"); | |
6881 | wpa_s->scan_res_handler = wpas_p2p_scan_res_ignore_search; | |
6882 | } | |
8713a2e6 JM |
6883 | } |
6884 | ||
6885 | ||
6886 | void wpas_p2p_stop_find(struct wpa_supplicant *wpa_s) | |
6887 | { | |
a6294141 | 6888 | wpas_p2p_stop_find_oper(wpa_s); |
93eca615 KV |
6889 | if (!wpa_s->global->pending_group_iface_for_p2ps) |
6890 | wpas_p2p_remove_pending_group_interface(wpa_s); | |
b22128ef JM |
6891 | } |
6892 | ||
6893 | ||
6894 | static void wpas_p2p_long_listen_timeout(void *eloop_ctx, void *timeout_ctx) | |
6895 | { | |
6896 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
6897 | wpa_s->p2p_long_listen = 0; | |
6898 | } | |
6899 | ||
6900 | ||
6901 | int wpas_p2p_listen(struct wpa_supplicant *wpa_s, unsigned int timeout) | |
6902 | { | |
6903 | int res; | |
6904 | ||
9526fd29 JM |
6905 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
6906 | return -1; | |
6907 | ||
a6f5b193 PX |
6908 | if (wpa_s->p2p_lo_started) { |
6909 | wpa_printf(MSG_DEBUG, | |
6910 | "P2P: Cannot start P2P listen, it is offloaded"); | |
6911 | return -1; | |
6912 | } | |
6913 | ||
433cd2ce | 6914 | wpa_supplicant_cancel_sched_scan(wpa_s); |
1cc3a29d JM |
6915 | wpas_p2p_clear_pending_action_tx(wpa_s); |
6916 | ||
b22128ef JM |
6917 | if (timeout == 0) { |
6918 | /* | |
6919 | * This is a request for unlimited Listen state. However, at | |
6920 | * least for now, this is mapped to a Listen state for one | |
6921 | * hour. | |
6922 | */ | |
6923 | timeout = 3600; | |
6924 | } | |
6925 | eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL); | |
6926 | wpa_s->p2p_long_listen = 0; | |
6927 | ||
2bb747e2 JM |
6928 | /* |
6929 | * Stop previous find/listen operation to avoid trying to request a new | |
6930 | * remain-on-channel operation while the driver is still running the | |
6931 | * previous one. | |
6932 | */ | |
6933 | if (wpa_s->global->p2p) | |
6934 | p2p_stop_find(wpa_s->global->p2p); | |
6935 | ||
b22128ef JM |
6936 | res = wpas_p2p_listen_start(wpa_s, timeout * 1000); |
6937 | if (res == 0 && timeout * 1000 > wpa_s->max_remain_on_chan) { | |
11fb02be | 6938 | wpa_s->p2p_long_listen = timeout * 1000; |
b22128ef JM |
6939 | eloop_register_timeout(timeout, 0, |
6940 | wpas_p2p_long_listen_timeout, | |
6941 | wpa_s, NULL); | |
6942 | } | |
6943 | ||
6944 | return res; | |
6945 | } | |
6946 | ||
6947 | ||
4c08c0bd | 6948 | int wpas_p2p_assoc_req_ie(struct wpa_supplicant *wpa_s, struct wpa_bss *bss, |
b22128ef JM |
6949 | u8 *buf, size_t len, int p2p_group) |
6950 | { | |
4c08c0bd JM |
6951 | struct wpabuf *p2p_ie; |
6952 | int ret; | |
6953 | ||
b22128ef JM |
6954 | if (wpa_s->global->p2p_disabled) |
6955 | return -1; | |
d63f1419 SD |
6956 | /* |
6957 | * Advertize mandatory cross connection capability even on | |
6958 | * p2p_disabled=1 interface when associating with a P2P Manager WLAN AP. | |
6959 | */ | |
6960 | if (wpa_s->conf->p2p_disabled && p2p_group) | |
1c2aa04c | 6961 | return -1; |
b22128ef JM |
6962 | if (wpa_s->global->p2p == NULL) |
6963 | return -1; | |
e1f1509b JM |
6964 | if (bss == NULL) |
6965 | return -1; | |
b22128ef | 6966 | |
4c08c0bd JM |
6967 | p2p_ie = wpa_bss_get_vendor_ie_multi(bss, P2P_IE_VENDOR_TYPE); |
6968 | ret = p2p_assoc_req_ie(wpa_s->global->p2p, bss->bssid, buf, len, | |
6969 | p2p_group, p2p_ie); | |
6970 | wpabuf_free(p2p_ie); | |
6971 | ||
6972 | return ret; | |
b22128ef JM |
6973 | } |
6974 | ||
6975 | ||
6976 | int wpas_p2p_probe_req_rx(struct wpa_supplicant *wpa_s, const u8 *addr, | |
04a85e44 | 6977 | const u8 *dst, const u8 *bssid, |
734ddf61 MS |
6978 | const u8 *ie, size_t ie_len, |
6979 | unsigned int rx_freq, int ssi_signal) | |
b22128ef JM |
6980 | { |
6981 | if (wpa_s->global->p2p_disabled) | |
6982 | return 0; | |
6983 | if (wpa_s->global->p2p == NULL) | |
6984 | return 0; | |
6985 | ||
2d43d37f | 6986 | switch (p2p_probe_req_rx(wpa_s->global->p2p, addr, dst, bssid, |
a6f5b193 | 6987 | ie, ie_len, rx_freq, wpa_s->p2p_lo_started)) { |
2d43d37f JB |
6988 | case P2P_PREQ_NOT_P2P: |
6989 | wpas_notify_preq(wpa_s, addr, dst, bssid, ie, ie_len, | |
6990 | ssi_signal); | |
6991 | /* fall through */ | |
6992 | case P2P_PREQ_MALFORMED: | |
6993 | case P2P_PREQ_NOT_LISTEN: | |
6994 | case P2P_PREQ_NOT_PROCESSED: | |
6995 | default: /* make gcc happy */ | |
6996 | return 0; | |
6997 | case P2P_PREQ_PROCESSED: | |
6998 | return 1; | |
6999 | } | |
b22128ef JM |
7000 | } |
7001 | ||
7002 | ||
7003 | void wpas_p2p_rx_action(struct wpa_supplicant *wpa_s, const u8 *da, | |
7004 | const u8 *sa, const u8 *bssid, | |
7005 | u8 category, const u8 *data, size_t len, int freq) | |
7006 | { | |
7007 | if (wpa_s->global->p2p_disabled) | |
7008 | return; | |
7009 | if (wpa_s->global->p2p == NULL) | |
7010 | return; | |
7011 | ||
7012 | p2p_rx_action(wpa_s->global->p2p, da, sa, bssid, category, data, len, | |
7013 | freq); | |
7014 | } | |
7015 | ||
7016 | ||
7017 | void wpas_p2p_scan_ie(struct wpa_supplicant *wpa_s, struct wpabuf *ies) | |
7018 | { | |
c58eed6d LD |
7019 | unsigned int bands; |
7020 | ||
b22128ef JM |
7021 | if (wpa_s->global->p2p_disabled) |
7022 | return; | |
7023 | if (wpa_s->global->p2p == NULL) | |
7024 | return; | |
7025 | ||
c58eed6d LD |
7026 | bands = wpas_get_bands(wpa_s, NULL); |
7027 | p2p_scan_ie(wpa_s->global->p2p, ies, NULL, bands); | |
b22128ef JM |
7028 | } |
7029 | ||
7030 | ||
bd10d938 | 7031 | static void wpas_p2p_group_deinit(struct wpa_supplicant *wpa_s) |
b22128ef JM |
7032 | { |
7033 | p2p_group_deinit(wpa_s->p2p_group); | |
7034 | wpa_s->p2p_group = NULL; | |
a7fd39bb JD |
7035 | |
7036 | wpa_s->ap_configured_cb = NULL; | |
7037 | wpa_s->ap_configured_cb_ctx = NULL; | |
7038 | wpa_s->ap_configured_cb_data = NULL; | |
7039 | wpa_s->connect_without_scan = NULL; | |
b22128ef JM |
7040 | } |
7041 | ||
7042 | ||
7043 | int wpas_p2p_reject(struct wpa_supplicant *wpa_s, const u8 *addr) | |
7044 | { | |
7045 | wpa_s->p2p_long_listen = 0; | |
7046 | ||
9526fd29 JM |
7047 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
7048 | return -1; | |
7049 | ||
b22128ef JM |
7050 | return p2p_reject(wpa_s->global->p2p, addr); |
7051 | } | |
7052 | ||
7053 | ||
7054 | /* Invite to reinvoke a persistent group */ | |
7055 | int wpas_p2p_invite(struct wpa_supplicant *wpa_s, const u8 *peer_addr, | |
4d32c0c4 | 7056 | struct wpa_ssid *ssid, const u8 *go_dev_addr, int freq, |
c27f4c90 | 7057 | int vht_center_freq2, int ht40, int vht, int max_chwidth, |
5a3319ab | 7058 | int pref_freq, int he) |
b22128ef JM |
7059 | { |
7060 | enum p2p_invite_role role; | |
0d08efa4 IP |
7061 | u8 *bssid = NULL; |
7062 | int force_freq = 0; | |
5de4b721 | 7063 | int res; |
d0f61a4b | 7064 | int no_pref_freq_given = pref_freq == 0; |
370017d9 | 7065 | unsigned int pref_freq_list[P2P_MAX_PREF_CHANNELS], size; |
b22128ef | 7066 | |
dbca75f8 | 7067 | wpa_s->global->p2p_invite_group = NULL; |
77e4e853 JM |
7068 | if (peer_addr) |
7069 | os_memcpy(wpa_s->p2p_auth_invite, peer_addr, ETH_ALEN); | |
7070 | else | |
7071 | os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN); | |
7072 | ||
4d32c0c4 JM |
7073 | wpa_s->p2p_persistent_go_freq = freq; |
7074 | wpa_s->p2p_go_ht40 = !!ht40; | |
c27f4c90 | 7075 | wpa_s->p2p_go_vht = !!vht; |
5a3319ab | 7076 | wpa_s->p2p_go_he = !!he; |
c27f4c90 AK |
7077 | wpa_s->p2p_go_max_oper_chwidth = max_chwidth; |
7078 | wpa_s->p2p_go_vht_center_freq2 = vht_center_freq2; | |
b22128ef JM |
7079 | if (ssid->mode == WPAS_MODE_P2P_GO) { |
7080 | role = P2P_INVITE_ROLE_GO; | |
7081 | if (peer_addr == NULL) { | |
7082 | wpa_printf(MSG_DEBUG, "P2P: Missing peer " | |
7083 | "address in invitation command"); | |
7084 | return -1; | |
7085 | } | |
7086 | if (wpas_p2p_create_iface(wpa_s)) { | |
7087 | if (wpas_p2p_add_group_interface(wpa_s, | |
7088 | WPA_IF_P2P_GO) < 0) { | |
7089 | wpa_printf(MSG_ERROR, "P2P: Failed to " | |
7090 | "allocate a new interface for the " | |
7091 | "group"); | |
7092 | return -1; | |
7093 | } | |
7094 | bssid = wpa_s->pending_interface_addr; | |
96a26ab7 LD |
7095 | } else if (wpa_s->p2p_mgmt) |
7096 | bssid = wpa_s->parent->own_addr; | |
7097 | else | |
b22128ef JM |
7098 | bssid = wpa_s->own_addr; |
7099 | } else { | |
7100 | role = P2P_INVITE_ROLE_CLIENT; | |
7101 | peer_addr = ssid->bssid; | |
7102 | } | |
7103 | wpa_s->pending_invite_ssid_id = ssid->id; | |
7104 | ||
370017d9 | 7105 | size = P2P_MAX_PREF_CHANNELS; |
51e9f228 | 7106 | res = wpas_p2p_setup_freqs(wpa_s, freq, &force_freq, &pref_freq, |
370017d9 AK |
7107 | role == P2P_INVITE_ROLE_GO, |
7108 | pref_freq_list, &size); | |
5de4b721 JM |
7109 | if (res) |
7110 | return res; | |
79879f4a | 7111 | |
9526fd29 JM |
7112 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
7113 | return -1; | |
7114 | ||
1b3dd69d AB |
7115 | p2p_set_own_pref_freq_list(wpa_s->global->p2p, pref_freq_list, size); |
7116 | ||
d0f61a4b JM |
7117 | if (wpa_s->parent->conf->p2p_ignore_shared_freq && |
7118 | no_pref_freq_given && pref_freq > 0 && | |
7119 | wpa_s->num_multichan_concurrent > 1 && | |
7120 | wpas_p2p_num_unused_channels(wpa_s) > 0) { | |
7121 | wpa_printf(MSG_DEBUG, "P2P: Ignore own channel preference %d MHz for invitation due to p2p_ignore_shared_freq=1 configuration", | |
7122 | pref_freq); | |
7123 | pref_freq = 0; | |
7124 | } | |
7125 | ||
b72b2ad3 IP |
7126 | /* |
7127 | * Stop any find/listen operations before invitation and possibly | |
7128 | * connection establishment. | |
7129 | */ | |
7130 | wpas_p2p_stop_find_oper(wpa_s); | |
7131 | ||
b22128ef | 7132 | return p2p_invite(wpa_s->global->p2p, peer_addr, role, bssid, |
79879f4a | 7133 | ssid->ssid, ssid->ssid_len, force_freq, go_dev_addr, |
8e9f53c3 | 7134 | 1, pref_freq, -1); |
b22128ef JM |
7135 | } |
7136 | ||
7137 | ||
7138 | /* Invite to join an active group */ | |
7139 | int wpas_p2p_invite_group(struct wpa_supplicant *wpa_s, const char *ifname, | |
7140 | const u8 *peer_addr, const u8 *go_dev_addr) | |
7141 | { | |
7142 | struct wpa_global *global = wpa_s->global; | |
7143 | enum p2p_invite_role role; | |
0d08efa4 | 7144 | u8 *bssid = NULL; |
b22128ef | 7145 | struct wpa_ssid *ssid; |
c427ac92 | 7146 | int persistent; |
73b54d63 | 7147 | int freq = 0, force_freq = 0, pref_freq = 0; |
5de4b721 | 7148 | int res; |
370017d9 | 7149 | unsigned int pref_freq_list[P2P_MAX_PREF_CHANNELS], size; |
b22128ef | 7150 | |
4d32c0c4 JM |
7151 | wpa_s->p2p_persistent_go_freq = 0; |
7152 | wpa_s->p2p_go_ht40 = 0; | |
20ea1ca4 | 7153 | wpa_s->p2p_go_vht = 0; |
c27f4c90 AK |
7154 | wpa_s->p2p_go_vht_center_freq2 = 0; |
7155 | wpa_s->p2p_go_max_oper_chwidth = 0; | |
4d32c0c4 | 7156 | |
b22128ef JM |
7157 | for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) { |
7158 | if (os_strcmp(wpa_s->ifname, ifname) == 0) | |
7159 | break; | |
7160 | } | |
7161 | if (wpa_s == NULL) { | |
7162 | wpa_printf(MSG_DEBUG, "P2P: Interface '%s' not found", ifname); | |
7163 | return -1; | |
7164 | } | |
7165 | ||
7166 | ssid = wpa_s->current_ssid; | |
7167 | if (ssid == NULL) { | |
7168 | wpa_printf(MSG_DEBUG, "P2P: No current SSID to use for " | |
7169 | "invitation"); | |
7170 | return -1; | |
7171 | } | |
7172 | ||
dbca75f8 | 7173 | wpa_s->global->p2p_invite_group = wpa_s; |
c427ac92 | 7174 | persistent = ssid->p2p_persistent_group && |
ba307f85 | 7175 | wpas_p2p_get_persistent(wpa_s->p2pdev, peer_addr, |
c427ac92 JM |
7176 | ssid->ssid, ssid->ssid_len); |
7177 | ||
b22128ef JM |
7178 | if (ssid->mode == WPAS_MODE_P2P_GO) { |
7179 | role = P2P_INVITE_ROLE_ACTIVE_GO; | |
7180 | bssid = wpa_s->own_addr; | |
7181 | if (go_dev_addr == NULL) | |
d7e70476 | 7182 | go_dev_addr = wpa_s->global->p2p_dev_addr; |
73b54d63 | 7183 | freq = ssid->frequency; |
b22128ef JM |
7184 | } else { |
7185 | role = P2P_INVITE_ROLE_CLIENT; | |
7186 | if (wpa_s->wpa_state < WPA_ASSOCIATED) { | |
7187 | wpa_printf(MSG_DEBUG, "P2P: Not associated - cannot " | |
7188 | "invite to current group"); | |
7189 | return -1; | |
7190 | } | |
7191 | bssid = wpa_s->bssid; | |
7192 | if (go_dev_addr == NULL && | |
7193 | !is_zero_ether_addr(wpa_s->go_dev_addr)) | |
7194 | go_dev_addr = wpa_s->go_dev_addr; | |
73b54d63 JM |
7195 | freq = wpa_s->current_bss ? wpa_s->current_bss->freq : |
7196 | (int) wpa_s->assoc_freq; | |
b22128ef | 7197 | } |
ba307f85 | 7198 | wpa_s->p2pdev->pending_invite_ssid_id = -1; |
b22128ef | 7199 | |
9526fd29 JM |
7200 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
7201 | return -1; | |
7202 | ||
370017d9 | 7203 | size = P2P_MAX_PREF_CHANNELS; |
51e9f228 | 7204 | res = wpas_p2p_setup_freqs(wpa_s, freq, &force_freq, &pref_freq, |
370017d9 AK |
7205 | role == P2P_INVITE_ROLE_ACTIVE_GO, |
7206 | pref_freq_list, &size); | |
5de4b721 JM |
7207 | if (res) |
7208 | return res; | |
0d08efa4 | 7209 | wpas_p2p_set_own_freq_preference(wpa_s, force_freq); |
79879f4a | 7210 | |
b22128ef | 7211 | return p2p_invite(wpa_s->global->p2p, peer_addr, role, bssid, |
79879f4a | 7212 | ssid->ssid, ssid->ssid_len, force_freq, |
8e9f53c3 | 7213 | go_dev_addr, persistent, pref_freq, -1); |
b22128ef JM |
7214 | } |
7215 | ||
7216 | ||
7217 | void wpas_p2p_completed(struct wpa_supplicant *wpa_s) | |
7218 | { | |
7219 | struct wpa_ssid *ssid = wpa_s->current_ssid; | |
b22128ef JM |
7220 | u8 go_dev_addr[ETH_ALEN]; |
7221 | int persistent; | |
b49d6ccb | 7222 | int freq; |
2e70e807 | 7223 | u8 ip[3 * 4], *ip_ptr = NULL; |
25ef8529 | 7224 | char ip_addr[100]; |
b22128ef | 7225 | |
73ccd083 JM |
7226 | if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GROUP_FORMATION) { |
7227 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, | |
ba307f85 | 7228 | wpa_s->p2pdev, NULL); |
73ccd083 | 7229 | } |
361cdf34 | 7230 | |
b22128ef | 7231 | if (!wpa_s->show_group_started || !ssid) |
1b5d4714 | 7232 | return; |
b22128ef JM |
7233 | |
7234 | wpa_s->show_group_started = 0; | |
328f49ac JM |
7235 | if (!wpa_s->p2p_go_group_formation_completed && |
7236 | wpa_s->global->p2p_group_formation == wpa_s) { | |
7237 | wpa_dbg(wpa_s, MSG_DEBUG, | |
7238 | "P2P: Marking group formation completed on client on data connection"); | |
7239 | wpa_s->p2p_go_group_formation_completed = 1; | |
7240 | wpa_s->global->p2p_group_formation = NULL; | |
7241 | wpa_s->p2p_in_provisioning = 0; | |
7242 | wpa_s->p2p_in_invitation = 0; | |
7243 | } | |
b22128ef | 7244 | |
b22128ef JM |
7245 | os_memset(go_dev_addr, 0, ETH_ALEN); |
7246 | if (ssid->bssid_set) | |
7247 | os_memcpy(go_dev_addr, ssid->bssid, ETH_ALEN); | |
7248 | persistent = wpas_p2p_persistent_group(wpa_s, go_dev_addr, ssid->ssid, | |
7249 | ssid->ssid_len); | |
7250 | os_memcpy(wpa_s->go_dev_addr, go_dev_addr, ETH_ALEN); | |
7251 | ||
a0a9f3b0 JM |
7252 | if (wpa_s->global->p2p_group_formation == wpa_s) |
7253 | wpa_s->global->p2p_group_formation = NULL; | |
7254 | ||
b49d6ccb JJ |
7255 | freq = wpa_s->current_bss ? wpa_s->current_bss->freq : |
7256 | (int) wpa_s->assoc_freq; | |
25ef8529 JM |
7257 | |
7258 | ip_addr[0] = '\0'; | |
7259 | if (wpa_sm_get_p2p_ip_addr(wpa_s->wpa, ip) == 0) { | |
1d399771 JM |
7260 | int res; |
7261 | ||
7262 | res = os_snprintf(ip_addr, sizeof(ip_addr), | |
7263 | " ip_addr=%u.%u.%u.%u " | |
7264 | "ip_mask=%u.%u.%u.%u go_ip_addr=%u.%u.%u.%u", | |
7265 | ip[0], ip[1], ip[2], ip[3], | |
7266 | ip[4], ip[5], ip[6], ip[7], | |
7267 | ip[8], ip[9], ip[10], ip[11]); | |
7268 | if (os_snprintf_error(sizeof(ip_addr), res)) | |
7269 | ip_addr[0] = '\0'; | |
2e70e807 | 7270 | ip_ptr = ip; |
25ef8529 JM |
7271 | } |
7272 | ||
f8723e1e JM |
7273 | wpas_p2p_group_started(wpa_s, 0, ssid, freq, |
7274 | ssid->passphrase == NULL && ssid->psk_set ? | |
7275 | ssid->psk : NULL, | |
7276 | ssid->passphrase, go_dev_addr, persistent, | |
7277 | ip_addr); | |
b22128ef JM |
7278 | |
7279 | if (persistent) | |
4fe50bbc NC |
7280 | wpas_p2p_store_persistent_group(wpa_s->p2pdev, |
7281 | ssid, go_dev_addr); | |
7282 | ||
2e70e807 | 7283 | wpas_notify_p2p_group_started(wpa_s, ssid, persistent, 1, ip_ptr); |
b22128ef JM |
7284 | } |
7285 | ||
7286 | ||
7287 | int wpas_p2p_presence_req(struct wpa_supplicant *wpa_s, u32 duration1, | |
7288 | u32 interval1, u32 duration2, u32 interval2) | |
7289 | { | |
c64e3a08 JM |
7290 | int ret; |
7291 | ||
9526fd29 JM |
7292 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
7293 | return -1; | |
3ac17eba | 7294 | |
b22128ef JM |
7295 | if (wpa_s->wpa_state < WPA_ASSOCIATED || |
7296 | wpa_s->current_ssid == NULL || | |
7297 | wpa_s->current_ssid->mode != WPAS_MODE_INFRA) | |
7298 | return -1; | |
7299 | ||
c64e3a08 JM |
7300 | ret = p2p_presence_req(wpa_s->global->p2p, wpa_s->bssid, |
7301 | wpa_s->own_addr, wpa_s->assoc_freq, | |
7302 | duration1, interval1, duration2, interval2); | |
7303 | if (ret == 0) | |
7304 | wpa_s->waiting_presence_resp = 1; | |
7305 | ||
7306 | return ret; | |
b22128ef JM |
7307 | } |
7308 | ||
7309 | ||
7310 | int wpas_p2p_ext_listen(struct wpa_supplicant *wpa_s, unsigned int period, | |
7311 | unsigned int interval) | |
7312 | { | |
9526fd29 JM |
7313 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
7314 | return -1; | |
7315 | ||
b22128ef JM |
7316 | return p2p_ext_listen(wpa_s->global->p2p, period, interval); |
7317 | } | |
7318 | ||
7319 | ||
c8106615 JM |
7320 | static int wpas_p2p_is_client(struct wpa_supplicant *wpa_s) |
7321 | { | |
5fbddfdc JM |
7322 | if (wpa_s->current_ssid == NULL) { |
7323 | /* | |
c7deed74 | 7324 | * current_ssid can be cleared when P2P client interface gets |
5fbddfdc JM |
7325 | * disconnected, so assume this interface was used as P2P |
7326 | * client. | |
7327 | */ | |
7328 | return 1; | |
7329 | } | |
7330 | return wpa_s->current_ssid->p2p_group && | |
c8106615 JM |
7331 | wpa_s->current_ssid->mode == WPAS_MODE_INFRA; |
7332 | } | |
7333 | ||
7334 | ||
3071e181 JM |
7335 | static void wpas_p2p_group_idle_timeout(void *eloop_ctx, void *timeout_ctx) |
7336 | { | |
7337 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
7338 | ||
c8106615 | 7339 | if (wpa_s->conf->p2p_group_idle == 0 && !wpas_p2p_is_client(wpa_s)) { |
3071e181 JM |
7340 | wpa_printf(MSG_DEBUG, "P2P: Ignore group idle timeout - " |
7341 | "disabled"); | |
7342 | return; | |
7343 | } | |
7344 | ||
7345 | wpa_printf(MSG_DEBUG, "P2P: Group idle timeout reached - terminate " | |
7346 | "group"); | |
8dba4aef | 7347 | wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_IDLE_TIMEOUT); |
3071e181 JM |
7348 | } |
7349 | ||
7350 | ||
7351 | static void wpas_p2p_set_group_idle_timeout(struct wpa_supplicant *wpa_s) | |
7352 | { | |
5f482d55 | 7353 | int timeout; |
c8106615 | 7354 | |
dddc7045 JM |
7355 | if (eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL) > 0) |
7356 | wpa_printf(MSG_DEBUG, "P2P: Cancelled P2P group idle timeout"); | |
7357 | ||
c8106615 | 7358 | if (wpa_s->current_ssid == NULL || !wpa_s->current_ssid->p2p_group) |
3071e181 JM |
7359 | return; |
7360 | ||
c8106615 JM |
7361 | timeout = wpa_s->conf->p2p_group_idle; |
7362 | if (wpa_s->current_ssid->mode == WPAS_MODE_INFRA && | |
7363 | (timeout == 0 || timeout > P2P_MAX_CLIENT_IDLE)) | |
7364 | timeout = P2P_MAX_CLIENT_IDLE; | |
7365 | ||
7366 | if (timeout == 0) | |
3071e181 JM |
7367 | return; |
7368 | ||
5f482d55 JM |
7369 | if (timeout < 0) { |
7370 | if (wpa_s->current_ssid->mode == WPAS_MODE_INFRA) | |
7371 | timeout = 0; /* special client mode no-timeout */ | |
7372 | else | |
7373 | return; | |
7374 | } | |
7375 | ||
8c472816 JM |
7376 | if (wpa_s->p2p_in_provisioning) { |
7377 | /* | |
7378 | * Use the normal group formation timeout during the | |
7379 | * provisioning phase to avoid terminating this process too | |
7380 | * early due to group idle timeout. | |
7381 | */ | |
7382 | wpa_printf(MSG_DEBUG, "P2P: Do not use P2P group idle timeout " | |
7383 | "during provisioning"); | |
7384 | return; | |
7385 | } | |
7386 | ||
361cdf34 JM |
7387 | if (wpa_s->show_group_started) { |
7388 | /* | |
7389 | * Use the normal group formation timeout between the end of | |
7390 | * the provisioning phase and completion of 4-way handshake to | |
7391 | * avoid terminating this process too early due to group idle | |
7392 | * timeout. | |
7393 | */ | |
7394 | wpa_printf(MSG_DEBUG, "P2P: Do not use P2P group idle timeout " | |
7395 | "while waiting for initial 4-way handshake to " | |
7396 | "complete"); | |
7397 | return; | |
7398 | } | |
7399 | ||
3071e181 | 7400 | wpa_printf(MSG_DEBUG, "P2P: Set P2P group idle timeout to %u seconds", |
c8106615 JM |
7401 | timeout); |
7402 | eloop_register_timeout(timeout, 0, wpas_p2p_group_idle_timeout, | |
7403 | wpa_s, NULL); | |
3071e181 JM |
7404 | } |
7405 | ||
7406 | ||
0aadd568 JM |
7407 | /* Returns 1 if the interface was removed */ |
7408 | int wpas_p2p_deauth_notif(struct wpa_supplicant *wpa_s, const u8 *bssid, | |
7409 | u16 reason_code, const u8 *ie, size_t ie_len, | |
7410 | int locally_generated) | |
b22128ef | 7411 | { |
9526fd29 | 7412 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
0aadd568 | 7413 | return 0; |
b22128ef | 7414 | |
3fc14102 JM |
7415 | if (!locally_generated) |
7416 | p2p_deauth_notif(wpa_s->global->p2p, bssid, reason_code, ie, | |
7417 | ie_len); | |
7418 | ||
7419 | if (reason_code == WLAN_REASON_DEAUTH_LEAVING && !locally_generated && | |
7420 | wpa_s->current_ssid && | |
7421 | wpa_s->current_ssid->p2p_group && | |
7422 | wpa_s->current_ssid->mode == WPAS_MODE_INFRA) { | |
7423 | wpa_printf(MSG_DEBUG, "P2P: GO indicated that the P2P Group " | |
7424 | "session is ending"); | |
0aadd568 JM |
7425 | if (wpas_p2p_group_delete(wpa_s, |
7426 | P2P_GROUP_REMOVAL_GO_ENDING_SESSION) | |
7427 | > 0) | |
7428 | return 1; | |
3fc14102 | 7429 | } |
0aadd568 JM |
7430 | |
7431 | return 0; | |
b22128ef JM |
7432 | } |
7433 | ||
7434 | ||
7435 | void wpas_p2p_disassoc_notif(struct wpa_supplicant *wpa_s, const u8 *bssid, | |
3fc14102 JM |
7436 | u16 reason_code, const u8 *ie, size_t ie_len, |
7437 | int locally_generated) | |
b22128ef | 7438 | { |
9526fd29 | 7439 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
b22128ef JM |
7440 | return; |
7441 | ||
3fc14102 JM |
7442 | if (!locally_generated) |
7443 | p2p_disassoc_notif(wpa_s->global->p2p, bssid, reason_code, ie, | |
7444 | ie_len); | |
b22128ef JM |
7445 | } |
7446 | ||
7447 | ||
7448 | void wpas_p2p_update_config(struct wpa_supplicant *wpa_s) | |
7449 | { | |
7450 | struct p2p_data *p2p = wpa_s->global->p2p; | |
7451 | ||
7452 | if (p2p == NULL) | |
7453 | return; | |
7454 | ||
4c010834 KL |
7455 | if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE)) |
7456 | return; | |
7457 | ||
b22128ef JM |
7458 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_NAME) |
7459 | p2p_set_dev_name(p2p, wpa_s->conf->device_name); | |
7460 | ||
2f646b6e JB |
7461 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_TYPE) |
7462 | p2p_set_pri_dev_type(p2p, wpa_s->conf->device_type); | |
b22128ef | 7463 | |
b6e01800 JM |
7464 | if (wpa_s->wps && |
7465 | (wpa_s->conf->changed_parameters & CFG_CHANGED_CONFIG_METHODS)) | |
7466 | p2p_set_config_methods(p2p, wpa_s->wps->config_methods); | |
7467 | ||
7468 | if (wpa_s->wps && (wpa_s->conf->changed_parameters & CFG_CHANGED_UUID)) | |
7469 | p2p_set_uuid(p2p, wpa_s->wps->uuid); | |
7470 | ||
7471 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_WPS_STRING) { | |
7472 | p2p_set_manufacturer(p2p, wpa_s->conf->manufacturer); | |
7473 | p2p_set_model_name(p2p, wpa_s->conf->model_name); | |
7474 | p2p_set_model_number(p2p, wpa_s->conf->model_number); | |
7475 | p2p_set_serial_number(p2p, wpa_s->conf->serial_number); | |
7476 | } | |
7477 | ||
2f646b6e JB |
7478 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_SEC_DEVICE_TYPE) |
7479 | p2p_set_sec_dev_types(p2p, | |
7480 | (void *) wpa_s->conf->sec_device_type, | |
7481 | wpa_s->conf->num_sec_device_types); | |
b22128ef | 7482 | |
f95cac27 JMB |
7483 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_VENDOR_EXTENSION) { |
7484 | int i; | |
7485 | p2p_remove_wps_vendor_extensions(p2p); | |
7486 | for (i = 0; i < MAX_WPS_VENDOR_EXT; i++) { | |
7487 | if (wpa_s->conf->wps_vendor_ext[i] == NULL) | |
7488 | continue; | |
7489 | p2p_add_wps_vendor_extension( | |
7490 | p2p, wpa_s->conf->wps_vendor_ext[i]); | |
7491 | } | |
7492 | } | |
7493 | ||
b22128ef JM |
7494 | if ((wpa_s->conf->changed_parameters & CFG_CHANGED_COUNTRY) && |
7495 | wpa_s->conf->country[0] && wpa_s->conf->country[1]) { | |
7496 | char country[3]; | |
7497 | country[0] = wpa_s->conf->country[0]; | |
7498 | country[1] = wpa_s->conf->country[1]; | |
7499 | country[2] = 0x04; | |
7500 | p2p_set_country(p2p, country); | |
7501 | } | |
7502 | ||
7503 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_SSID_POSTFIX) { | |
7504 | p2p_set_ssid_postfix(p2p, (u8 *) wpa_s->conf->p2p_ssid_postfix, | |
7505 | wpa_s->conf->p2p_ssid_postfix ? | |
7506 | os_strlen(wpa_s->conf->p2p_ssid_postfix) : | |
7507 | 0); | |
7508 | } | |
0f66abd2 SS |
7509 | |
7510 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_INTRA_BSS) | |
7511 | p2p_set_intra_bss_dist(p2p, wpa_s->conf->p2p_intra_bss); | |
2463ba70 JS |
7512 | |
7513 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_LISTEN_CHANNEL) { | |
7514 | u8 reg_class, channel; | |
7515 | int ret; | |
7516 | unsigned int r; | |
e3bd6e9d IP |
7517 | u8 channel_forced; |
7518 | ||
2463ba70 JS |
7519 | if (wpa_s->conf->p2p_listen_reg_class && |
7520 | wpa_s->conf->p2p_listen_channel) { | |
7521 | reg_class = wpa_s->conf->p2p_listen_reg_class; | |
7522 | channel = wpa_s->conf->p2p_listen_channel; | |
e3bd6e9d | 7523 | channel_forced = 1; |
2463ba70 JS |
7524 | } else { |
7525 | reg_class = 81; | |
7526 | /* | |
7527 | * Pick one of the social channels randomly as the | |
7528 | * listen channel. | |
7529 | */ | |
df2508d7 JM |
7530 | if (os_get_random((u8 *) &r, sizeof(r)) < 0) |
7531 | channel = 1; | |
7532 | else | |
7533 | channel = 1 + (r % 3) * 5; | |
e3bd6e9d | 7534 | channel_forced = 0; |
2463ba70 | 7535 | } |
e3bd6e9d IP |
7536 | ret = p2p_set_listen_channel(p2p, reg_class, channel, |
7537 | channel_forced); | |
2463ba70 JS |
7538 | if (ret) |
7539 | wpa_printf(MSG_ERROR, "P2P: Own listen channel update " | |
7540 | "failed: %d", ret); | |
7541 | } | |
7542 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_OPER_CHANNEL) { | |
7543 | u8 op_reg_class, op_channel, cfg_op_channel; | |
7544 | int ret = 0; | |
7545 | unsigned int r; | |
7546 | if (wpa_s->conf->p2p_oper_reg_class && | |
7547 | wpa_s->conf->p2p_oper_channel) { | |
7548 | op_reg_class = wpa_s->conf->p2p_oper_reg_class; | |
7549 | op_channel = wpa_s->conf->p2p_oper_channel; | |
7550 | cfg_op_channel = 1; | |
7551 | } else { | |
7552 | op_reg_class = 81; | |
7553 | /* | |
7554 | * Use random operation channel from (1, 6, 11) | |
7555 | *if no other preference is indicated. | |
7556 | */ | |
df2508d7 JM |
7557 | if (os_get_random((u8 *) &r, sizeof(r)) < 0) |
7558 | op_channel = 1; | |
7559 | else | |
7560 | op_channel = 1 + (r % 3) * 5; | |
2463ba70 JS |
7561 | cfg_op_channel = 0; |
7562 | } | |
7563 | ret = p2p_set_oper_channel(p2p, op_reg_class, op_channel, | |
7564 | cfg_op_channel); | |
7565 | if (ret) | |
7566 | wpa_printf(MSG_ERROR, "P2P: Own oper channel update " | |
7567 | "failed: %d", ret); | |
7568 | } | |
21d996f7 JM |
7569 | |
7570 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_PREF_CHAN) { | |
7571 | if (p2p_set_pref_chan(p2p, wpa_s->conf->num_p2p_pref_chan, | |
7572 | wpa_s->conf->p2p_pref_chan) < 0) { | |
7573 | wpa_printf(MSG_ERROR, "P2P: Preferred channel list " | |
7574 | "update failed"); | |
7575 | } | |
556b30da JM |
7576 | |
7577 | if (p2p_set_no_go_freq(p2p, &wpa_s->conf->p2p_no_go_freq) < 0) { | |
7578 | wpa_printf(MSG_ERROR, "P2P: No GO channel list " | |
7579 | "update failed"); | |
7580 | } | |
21d996f7 | 7581 | } |
1b928f96 JM |
7582 | |
7583 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_PASSPHRASE_LEN) | |
7584 | p2p_set_passphrase_len(p2p, wpa_s->conf->p2p_passphrase_len); | |
b22128ef | 7585 | } |
aefb53bd JM |
7586 | |
7587 | ||
7588 | int wpas_p2p_set_noa(struct wpa_supplicant *wpa_s, u8 count, int start, | |
7589 | int duration) | |
7590 | { | |
7591 | if (!wpa_s->ap_iface) | |
7592 | return -1; | |
7593 | return hostapd_p2p_set_noa(wpa_s->ap_iface->bss[0], count, start, | |
7594 | duration); | |
7595 | } | |
72044390 JM |
7596 | |
7597 | ||
7598 | int wpas_p2p_set_cross_connect(struct wpa_supplicant *wpa_s, int enabled) | |
7599 | { | |
9526fd29 | 7600 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
72044390 | 7601 | return -1; |
72044390 JM |
7602 | |
7603 | wpa_s->global->cross_connection = enabled; | |
7604 | p2p_set_cross_connect(wpa_s->global->p2p, enabled); | |
7605 | ||
7606 | if (!enabled) { | |
7607 | struct wpa_supplicant *iface; | |
7608 | ||
7609 | for (iface = wpa_s->global->ifaces; iface; iface = iface->next) | |
7610 | { | |
7611 | if (iface->cross_connect_enabled == 0) | |
7612 | continue; | |
7613 | ||
7614 | iface->cross_connect_enabled = 0; | |
7615 | iface->cross_connect_in_use = 0; | |
ba307f85 | 7616 | wpa_msg_global(iface->p2pdev, MSG_INFO, |
92c4465b JM |
7617 | P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s", |
7618 | iface->ifname, | |
7619 | iface->cross_connect_uplink); | |
72044390 JM |
7620 | } |
7621 | } | |
7622 | ||
7623 | return 0; | |
7624 | } | |
7625 | ||
7626 | ||
7627 | static void wpas_p2p_enable_cross_connect(struct wpa_supplicant *uplink) | |
7628 | { | |
7629 | struct wpa_supplicant *iface; | |
7630 | ||
7631 | if (!uplink->global->cross_connection) | |
7632 | return; | |
7633 | ||
7634 | for (iface = uplink->global->ifaces; iface; iface = iface->next) { | |
7635 | if (!iface->cross_connect_enabled) | |
7636 | continue; | |
7637 | if (os_strcmp(uplink->ifname, iface->cross_connect_uplink) != | |
7638 | 0) | |
7639 | continue; | |
7640 | if (iface->ap_iface == NULL) | |
7641 | continue; | |
7642 | if (iface->cross_connect_in_use) | |
7643 | continue; | |
7644 | ||
7645 | iface->cross_connect_in_use = 1; | |
ba307f85 | 7646 | wpa_msg_global(iface->p2pdev, MSG_INFO, |
92c4465b JM |
7647 | P2P_EVENT_CROSS_CONNECT_ENABLE "%s %s", |
7648 | iface->ifname, iface->cross_connect_uplink); | |
72044390 JM |
7649 | } |
7650 | } | |
7651 | ||
7652 | ||
7653 | static void wpas_p2p_disable_cross_connect(struct wpa_supplicant *uplink) | |
7654 | { | |
7655 | struct wpa_supplicant *iface; | |
7656 | ||
7657 | for (iface = uplink->global->ifaces; iface; iface = iface->next) { | |
7658 | if (!iface->cross_connect_enabled) | |
7659 | continue; | |
7660 | if (os_strcmp(uplink->ifname, iface->cross_connect_uplink) != | |
7661 | 0) | |
7662 | continue; | |
7663 | if (!iface->cross_connect_in_use) | |
7664 | continue; | |
7665 | ||
ba307f85 | 7666 | wpa_msg_global(iface->p2pdev, MSG_INFO, |
92c4465b JM |
7667 | P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s", |
7668 | iface->ifname, iface->cross_connect_uplink); | |
72044390 JM |
7669 | iface->cross_connect_in_use = 0; |
7670 | } | |
7671 | } | |
7672 | ||
7673 | ||
7674 | void wpas_p2p_notif_connected(struct wpa_supplicant *wpa_s) | |
7675 | { | |
7676 | if (wpa_s->ap_iface || wpa_s->current_ssid == NULL || | |
7677 | wpa_s->current_ssid->mode != WPAS_MODE_INFRA || | |
7678 | wpa_s->cross_connect_disallowed) | |
7679 | wpas_p2p_disable_cross_connect(wpa_s); | |
7680 | else | |
7681 | wpas_p2p_enable_cross_connect(wpa_s); | |
dddc7045 JM |
7682 | if (!wpa_s->ap_iface && |
7683 | eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL) > 0) | |
7684 | wpa_printf(MSG_DEBUG, "P2P: Cancelled P2P group idle timeout"); | |
72044390 JM |
7685 | } |
7686 | ||
7687 | ||
7688 | void wpas_p2p_notif_disconnected(struct wpa_supplicant *wpa_s) | |
7689 | { | |
7690 | wpas_p2p_disable_cross_connect(wpa_s); | |
4c2c6751 JM |
7691 | if (!wpa_s->ap_iface && |
7692 | !eloop_is_timeout_registered(wpas_p2p_group_idle_timeout, | |
7693 | wpa_s, NULL)) | |
3071e181 | 7694 | wpas_p2p_set_group_idle_timeout(wpa_s); |
72044390 JM |
7695 | } |
7696 | ||
7697 | ||
7698 | static void wpas_p2p_cross_connect_setup(struct wpa_supplicant *wpa_s) | |
7699 | { | |
7700 | struct wpa_supplicant *iface; | |
7701 | ||
7702 | if (!wpa_s->global->cross_connection) | |
7703 | return; | |
7704 | ||
7705 | for (iface = wpa_s->global->ifaces; iface; iface = iface->next) { | |
7706 | if (iface == wpa_s) | |
7707 | continue; | |
7708 | if (iface->drv_flags & | |
7709 | WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE) | |
7710 | continue; | |
42a69725 JM |
7711 | if ((iface->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE) && |
7712 | iface != wpa_s->parent) | |
72044390 JM |
7713 | continue; |
7714 | ||
7715 | wpa_s->cross_connect_enabled = 1; | |
7716 | os_strlcpy(wpa_s->cross_connect_uplink, iface->ifname, | |
7717 | sizeof(wpa_s->cross_connect_uplink)); | |
7718 | wpa_printf(MSG_DEBUG, "P2P: Enable cross connection from " | |
7719 | "%s to %s whenever uplink is available", | |
7720 | wpa_s->ifname, wpa_s->cross_connect_uplink); | |
7721 | ||
7722 | if (iface->ap_iface || iface->current_ssid == NULL || | |
7723 | iface->current_ssid->mode != WPAS_MODE_INFRA || | |
7724 | iface->cross_connect_disallowed || | |
7725 | iface->wpa_state != WPA_COMPLETED) | |
7726 | break; | |
7727 | ||
7728 | wpa_s->cross_connect_in_use = 1; | |
ba307f85 | 7729 | wpa_msg_global(wpa_s->p2pdev, MSG_INFO, |
92c4465b JM |
7730 | P2P_EVENT_CROSS_CONNECT_ENABLE "%s %s", |
7731 | wpa_s->ifname, wpa_s->cross_connect_uplink); | |
72044390 JM |
7732 | break; |
7733 | } | |
7734 | } | |
b73bf0a7 JM |
7735 | |
7736 | ||
7737 | int wpas_p2p_notif_pbc_overlap(struct wpa_supplicant *wpa_s) | |
7738 | { | |
7739 | if (wpa_s->p2p_group_interface != P2P_GROUP_INTERFACE_CLIENT && | |
7740 | !wpa_s->p2p_in_provisioning) | |
7741 | return 0; /* not P2P client operation */ | |
7742 | ||
7743 | wpa_printf(MSG_DEBUG, "P2P: Terminate connection due to WPS PBC " | |
7744 | "session overlap"); | |
ba307f85 LD |
7745 | if (wpa_s != wpa_s->p2pdev) |
7746 | wpa_msg_ctrl(wpa_s->p2pdev, MSG_INFO, WPS_EVENT_OVERLAP); | |
d95c5994 | 7747 | wpas_p2p_group_formation_failed(wpa_s, 0); |
b73bf0a7 JM |
7748 | return 1; |
7749 | } | |
b5c9da8d JM |
7750 | |
7751 | ||
ace0fbdb AS |
7752 | void wpas_p2p_pbc_overlap_cb(void *eloop_ctx, void *timeout_ctx) |
7753 | { | |
7754 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
7755 | wpas_p2p_notif_pbc_overlap(wpa_s); | |
7756 | } | |
7757 | ||
7758 | ||
3a8f008a IP |
7759 | void wpas_p2p_update_channel_list(struct wpa_supplicant *wpa_s, |
7760 | enum wpas_p2p_channel_update_trig trig) | |
b5c9da8d | 7761 | { |
51e9f228 | 7762 | struct p2p_channels chan, cli_chan; |
c2675c87 IP |
7763 | struct wpa_used_freq_data *freqs = NULL; |
7764 | unsigned int num = wpa_s->num_multichan_concurrent; | |
b5c9da8d JM |
7765 | |
7766 | if (wpa_s->global == NULL || wpa_s->global->p2p == NULL) | |
7767 | return; | |
7768 | ||
c2675c87 IP |
7769 | freqs = os_calloc(num, sizeof(struct wpa_used_freq_data)); |
7770 | if (!freqs) | |
7771 | return; | |
7772 | ||
7773 | num = get_shared_radio_freqs_data(wpa_s, freqs, num); | |
7774 | ||
b5c9da8d | 7775 | os_memset(&chan, 0, sizeof(chan)); |
51e9f228 JM |
7776 | os_memset(&cli_chan, 0, sizeof(cli_chan)); |
7777 | if (wpas_p2p_setup_channels(wpa_s, &chan, &cli_chan)) { | |
b5c9da8d JM |
7778 | wpa_printf(MSG_ERROR, "P2P: Failed to update supported " |
7779 | "channel list"); | |
7780 | return; | |
7781 | } | |
7782 | ||
51e9f228 | 7783 | p2p_update_channel_list(wpa_s->global->p2p, &chan, &cli_chan); |
7b42862a | 7784 | |
c2675c87 | 7785 | wpas_p2p_optimize_listen_channel(wpa_s, freqs, num); |
7b42862a | 7786 | |
c2675c87 IP |
7787 | /* |
7788 | * The used frequencies map changed, so it is possible that a GO is | |
7789 | * using a channel that is no longer valid for P2P use. It is also | |
7790 | * possible that due to policy consideration, it would be preferable to | |
7791 | * move it to a frequency already used by other station interfaces. | |
7792 | */ | |
3a8f008a | 7793 | wpas_p2p_consider_moving_gos(wpa_s, freqs, num, trig); |
c2675c87 IP |
7794 | |
7795 | os_free(freqs); | |
b5c9da8d | 7796 | } |
59eba7a2 JM |
7797 | |
7798 | ||
50178335 JM |
7799 | static void wpas_p2p_scan_res_ignore(struct wpa_supplicant *wpa_s, |
7800 | struct wpa_scan_results *scan_res) | |
7801 | { | |
7802 | wpa_printf(MSG_DEBUG, "P2P: Ignore scan results"); | |
7803 | } | |
7804 | ||
7805 | ||
59eba7a2 JM |
7806 | int wpas_p2p_cancel(struct wpa_supplicant *wpa_s) |
7807 | { | |
7808 | struct wpa_global *global = wpa_s->global; | |
7809 | int found = 0; | |
231bbd03 | 7810 | const u8 *peer; |
59eba7a2 | 7811 | |
9526fd29 JM |
7812 | if (global->p2p == NULL) |
7813 | return -1; | |
7814 | ||
59eba7a2 JM |
7815 | wpa_printf(MSG_DEBUG, "P2P: Request to cancel group formation"); |
7816 | ||
7817 | if (wpa_s->pending_interface_name[0] && | |
7818 | !is_zero_ether_addr(wpa_s->pending_interface_addr)) | |
7819 | found = 1; | |
7820 | ||
231bbd03 SS |
7821 | peer = p2p_get_go_neg_peer(global->p2p); |
7822 | if (peer) { | |
7823 | wpa_printf(MSG_DEBUG, "P2P: Unauthorize pending GO Neg peer " | |
7824 | MACSTR, MAC2STR(peer)); | |
7825 | p2p_unauthorize(global->p2p, peer); | |
75c208b9 | 7826 | found = 1; |
231bbd03 SS |
7827 | } |
7828 | ||
50178335 JM |
7829 | if (wpa_s->scan_res_handler == wpas_p2p_scan_res_join) { |
7830 | wpa_printf(MSG_DEBUG, "P2P: Stop pending scan for join"); | |
7831 | wpa_s->scan_res_handler = wpas_p2p_scan_res_ignore; | |
7832 | found = 1; | |
7833 | } | |
7834 | ||
7835 | if (wpa_s->pending_pd_before_join) { | |
7836 | wpa_printf(MSG_DEBUG, "P2P: Stop pending PD before join"); | |
7837 | wpa_s->pending_pd_before_join = 0; | |
7838 | found = 1; | |
7839 | } | |
7840 | ||
59eba7a2 JM |
7841 | wpas_p2p_stop_find(wpa_s); |
7842 | ||
7843 | for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) { | |
7844 | if (wpa_s == global->p2p_group_formation && | |
a0a9f3b0 JM |
7845 | (wpa_s->p2p_in_provisioning || |
7846 | wpa_s->parent->pending_interface_type == | |
7847 | WPA_IF_P2P_CLIENT)) { | |
59eba7a2 JM |
7848 | wpa_printf(MSG_DEBUG, "P2P: Interface %s in group " |
7849 | "formation found - cancelling", | |
7850 | wpa_s->ifname); | |
7851 | found = 1; | |
45fee6f0 | 7852 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, |
ba307f85 | 7853 | wpa_s->p2pdev, NULL); |
30b80389 | 7854 | if (wpa_s->p2p_in_provisioning) { |
d95c5994 | 7855 | wpas_group_formation_completed(wpa_s, 0, 0); |
30b80389 JM |
7856 | break; |
7857 | } | |
8dba4aef JM |
7858 | wpas_p2p_group_delete(wpa_s, |
7859 | P2P_GROUP_REMOVAL_REQUESTED); | |
59eba7a2 | 7860 | break; |
f05cee97 JM |
7861 | } else if (wpa_s->p2p_in_invitation) { |
7862 | wpa_printf(MSG_DEBUG, "P2P: Interface %s in invitation found - cancelling", | |
7863 | wpa_s->ifname); | |
7864 | found = 1; | |
d95c5994 | 7865 | wpas_p2p_group_formation_failed(wpa_s, 0); |
63502c64 | 7866 | break; |
59eba7a2 JM |
7867 | } |
7868 | } | |
7869 | ||
7870 | if (!found) { | |
7871 | wpa_printf(MSG_DEBUG, "P2P: No ongoing group formation found"); | |
7872 | return -1; | |
7873 | } | |
7874 | ||
7875 | return 0; | |
7876 | } | |
c973f386 JM |
7877 | |
7878 | ||
7879 | void wpas_p2p_interface_unavailable(struct wpa_supplicant *wpa_s) | |
7880 | { | |
7881 | if (wpa_s->current_ssid == NULL || !wpa_s->current_ssid->p2p_group) | |
7882 | return; | |
7883 | ||
7884 | wpa_printf(MSG_DEBUG, "P2P: Remove group due to driver resource not " | |
7885 | "being available anymore"); | |
8dba4aef | 7886 | wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_UNAVAILABLE); |
c973f386 | 7887 | } |
7cfc4ac3 AGS |
7888 | |
7889 | ||
7890 | void wpas_p2p_update_best_channels(struct wpa_supplicant *wpa_s, | |
7891 | int freq_24, int freq_5, int freq_overall) | |
7892 | { | |
7893 | struct p2p_data *p2p = wpa_s->global->p2p; | |
152cff6b | 7894 | if (p2p == NULL) |
7cfc4ac3 AGS |
7895 | return; |
7896 | p2p_set_best_channels(p2p, freq_24, freq_5, freq_overall); | |
7897 | } | |
9d562b79 SS |
7898 | |
7899 | ||
7900 | int wpas_p2p_unauthorize(struct wpa_supplicant *wpa_s, const char *addr) | |
7901 | { | |
7902 | u8 peer[ETH_ALEN]; | |
7903 | struct p2p_data *p2p = wpa_s->global->p2p; | |
7904 | ||
152cff6b | 7905 | if (p2p == NULL) |
9d562b79 SS |
7906 | return -1; |
7907 | ||
7908 | if (hwaddr_aton(addr, peer)) | |
7909 | return -1; | |
7910 | ||
7911 | return p2p_unauthorize(p2p, peer); | |
7912 | } | |
3103f345 JB |
7913 | |
7914 | ||
7915 | /** | |
7916 | * wpas_p2p_disconnect - Disconnect from a P2P Group | |
7917 | * @wpa_s: Pointer to wpa_supplicant data | |
7918 | * Returns: 0 on success, -1 on failure | |
7919 | * | |
7920 | * This can be used to disconnect from a group in which the local end is a P2P | |
7921 | * Client or to end a P2P Group in case the local end is the Group Owner. If a | |
7922 | * virtual network interface was created for this group, that interface will be | |
7923 | * removed. Otherwise, only the configured P2P group network will be removed | |
7924 | * from the interface. | |
7925 | */ | |
7926 | int wpas_p2p_disconnect(struct wpa_supplicant *wpa_s) | |
7927 | { | |
7928 | ||
7929 | if (wpa_s == NULL) | |
7930 | return -1; | |
7931 | ||
0aadd568 JM |
7932 | return wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_REQUESTED) < 0 ? |
7933 | -1 : 0; | |
3103f345 | 7934 | } |
303f60d3 JM |
7935 | |
7936 | ||
7937 | int wpas_p2p_in_progress(struct wpa_supplicant *wpa_s) | |
7938 | { | |
ec01d5f6 JM |
7939 | int ret; |
7940 | ||
303f60d3 JM |
7941 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
7942 | return 0; | |
7943 | ||
ec01d5f6 JM |
7944 | ret = p2p_in_progress(wpa_s->global->p2p); |
7945 | if (ret == 0) { | |
7946 | /* | |
7947 | * Check whether there is an ongoing WPS provisioning step (or | |
7948 | * other parts of group formation) on another interface since | |
7949 | * p2p_in_progress() does not report this to avoid issues for | |
7950 | * scans during such provisioning step. | |
7951 | */ | |
7952 | if (wpa_s->global->p2p_group_formation && | |
7953 | wpa_s->global->p2p_group_formation != wpa_s) { | |
7954 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Another interface (%s) " | |
7955 | "in group formation", | |
7956 | wpa_s->global->p2p_group_formation->ifname); | |
7957 | ret = 1; | |
7958 | } | |
7959 | } | |
7960 | ||
c1c0b35f | 7961 | if (!ret && wpa_s->global->p2p_go_wait_client.sec) { |
151ab808 JB |
7962 | struct os_reltime now; |
7963 | os_get_reltime(&now); | |
7964 | if (os_reltime_expired(&now, &wpa_s->global->p2p_go_wait_client, | |
7965 | P2P_MAX_INITIAL_CONN_WAIT_GO)) { | |
c1c0b35f JM |
7966 | /* Wait for the first client has expired */ |
7967 | wpa_s->global->p2p_go_wait_client.sec = 0; | |
7968 | } else { | |
7969 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Waiting for initial client connection during group formation"); | |
7970 | ret = 1; | |
7971 | } | |
7972 | } | |
7973 | ||
ec01d5f6 | 7974 | return ret; |
303f60d3 | 7975 | } |
502618f7 JM |
7976 | |
7977 | ||
7978 | void wpas_p2p_network_removed(struct wpa_supplicant *wpa_s, | |
7979 | struct wpa_ssid *ssid) | |
502618f7 JM |
7980 | { |
7981 | if (wpa_s->p2p_in_provisioning && ssid->p2p_group && | |
7982 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, | |
ba307f85 | 7983 | wpa_s->p2pdev, NULL) > 0) { |
eb6f8c2b AC |
7984 | /** |
7985 | * Remove the network by scheduling the group formation | |
7986 | * timeout to happen immediately. The teardown code | |
7987 | * needs to be scheduled to run asynch later so that we | |
7988 | * don't delete data from under ourselves unexpectedly. | |
7989 | * Calling wpas_p2p_group_formation_timeout directly | |
7990 | * causes a series of crashes in WPS failure scenarios. | |
7991 | */ | |
502618f7 JM |
7992 | wpa_printf(MSG_DEBUG, "P2P: Canceled group formation due to " |
7993 | "P2P group network getting removed"); | |
eb6f8c2b | 7994 | eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout, |
ba307f85 | 7995 | wpa_s->p2pdev, NULL); |
502618f7 JM |
7996 | } |
7997 | } | |
87f841a1 JM |
7998 | |
7999 | ||
8000 | struct wpa_ssid * wpas_p2p_get_persistent(struct wpa_supplicant *wpa_s, | |
c427ac92 JM |
8001 | const u8 *addr, const u8 *ssid, |
8002 | size_t ssid_len) | |
87f841a1 JM |
8003 | { |
8004 | struct wpa_ssid *s; | |
fbdcfd57 | 8005 | size_t i; |
87f841a1 JM |
8006 | |
8007 | for (s = wpa_s->conf->ssid; s; s = s->next) { | |
fbdcfd57 JM |
8008 | if (s->disabled != 2) |
8009 | continue; | |
c427ac92 JM |
8010 | if (ssid && |
8011 | (ssid_len != s->ssid_len || | |
8012 | os_memcmp(ssid, s->ssid, ssid_len) != 0)) | |
8013 | continue; | |
01a57fe4 JM |
8014 | if (addr == NULL) { |
8015 | if (s->mode == WPAS_MODE_P2P_GO) | |
8016 | return s; | |
8017 | continue; | |
8018 | } | |
fbdcfd57 JM |
8019 | if (os_memcmp(s->bssid, addr, ETH_ALEN) == 0) |
8020 | return s; /* peer is GO in the persistent group */ | |
8021 | if (s->mode != WPAS_MODE_P2P_GO || s->p2p_client_list == NULL) | |
8022 | continue; | |
8023 | for (i = 0; i < s->num_p2p_clients; i++) { | |
79cd993a | 8024 | if (os_memcmp(s->p2p_client_list + i * 2 * ETH_ALEN, |
fbdcfd57 JM |
8025 | addr, ETH_ALEN) == 0) |
8026 | return s; /* peer is P2P client in persistent | |
8027 | * group */ | |
8028 | } | |
87f841a1 JM |
8029 | } |
8030 | ||
8031 | return NULL; | |
8032 | } | |
fbdcfd57 JM |
8033 | |
8034 | ||
8035 | void wpas_p2p_notify_ap_sta_authorized(struct wpa_supplicant *wpa_s, | |
8036 | const u8 *addr) | |
8037 | { | |
eab2b50d | 8038 | if (eloop_cancel_timeout(wpas_p2p_group_formation_timeout, |
ba307f85 | 8039 | wpa_s->p2pdev, NULL) > 0) { |
eab2b50d JM |
8040 | /* |
8041 | * This can happen if WPS provisioning step is not terminated | |
8042 | * cleanly (e.g., P2P Client does not send WSC_Done). Since the | |
8043 | * peer was able to connect, there is no need to time out group | |
41f85323 JM |
8044 | * formation after this, though. In addition, this is used with |
8045 | * the initial connection wait on the GO as a separate formation | |
8046 | * timeout and as such, expected to be hit after the initial WPS | |
8047 | * provisioning step. | |
eab2b50d | 8048 | */ |
41f85323 | 8049 | wpa_printf(MSG_DEBUG, "P2P: Canceled P2P group formation timeout on data connection"); |
61fc9048 SD |
8050 | |
8051 | if (!wpa_s->p2p_go_group_formation_completed && | |
8052 | !wpa_s->group_formation_reported) { | |
8053 | /* | |
8054 | * GO has not yet notified group formation success since | |
8055 | * the WPS step was not completed cleanly. Do that | |
8056 | * notification now since the P2P Client was able to | |
8057 | * connect and as such, must have received the | |
8058 | * credential from the WPS step. | |
8059 | */ | |
8060 | if (wpa_s->global->p2p) | |
8061 | p2p_wps_success_cb(wpa_s->global->p2p, addr); | |
d95c5994 | 8062 | wpas_group_formation_completed(wpa_s, 1, 0); |
61fc9048 | 8063 | } |
41f85323 JM |
8064 | } |
8065 | if (!wpa_s->p2p_go_group_formation_completed) { | |
8066 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Marking group formation completed on GO on first data connection"); | |
8067 | wpa_s->p2p_go_group_formation_completed = 1; | |
8068 | wpa_s->global->p2p_group_formation = NULL; | |
8069 | wpa_s->p2p_in_provisioning = 0; | |
f05cee97 | 8070 | wpa_s->p2p_in_invitation = 0; |
eab2b50d | 8071 | } |
c1c0b35f | 8072 | wpa_s->global->p2p_go_wait_client.sec = 0; |
fbdcfd57 JM |
8073 | if (addr == NULL) |
8074 | return; | |
8075 | wpas_p2p_add_persistent_group_client(wpa_s, addr); | |
8076 | } | |
aa9bb764 JM |
8077 | |
8078 | ||
b0e669be JM |
8079 | static int wpas_p2p_fallback_to_go_neg(struct wpa_supplicant *wpa_s, |
8080 | int group_added) | |
aa9bb764 JM |
8081 | { |
8082 | struct wpa_supplicant *group = wpa_s; | |
b0e669be JM |
8083 | int ret = 0; |
8084 | ||
aa9bb764 JM |
8085 | if (wpa_s->global->p2p_group_formation) |
8086 | group = wpa_s->global->p2p_group_formation; | |
de7b02fd | 8087 | wpa_s = wpa_s->global->p2p_init_wpa_s; |
b80eb89d | 8088 | offchannel_send_action_done(wpa_s); |
aa9bb764 | 8089 | if (group_added) |
b0e669be | 8090 | ret = wpas_p2p_group_delete(group, P2P_GROUP_REMOVAL_SILENT); |
aa9bb764 JM |
8091 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Fall back to GO Negotiation"); |
8092 | wpas_p2p_connect(wpa_s, wpa_s->pending_join_dev_addr, wpa_s->p2p_pin, | |
8093 | wpa_s->p2p_wps_method, wpa_s->p2p_persistent_group, 0, | |
8094 | 0, 0, wpa_s->p2p_go_intent, wpa_s->p2p_connect_freq, | |
c27f4c90 | 8095 | wpa_s->p2p_go_vht_center_freq2, |
3bc462cb | 8096 | wpa_s->p2p_persistent_id, |
e2308e4b | 8097 | wpa_s->p2p_pd_before_go_neg, |
20ea1ca4 | 8098 | wpa_s->p2p_go_ht40, |
c27f4c90 | 8099 | wpa_s->p2p_go_vht, |
5a3319ab PX |
8100 | wpa_s->p2p_go_max_oper_chwidth, |
8101 | wpa_s->p2p_go_he, NULL, 0); | |
b0e669be | 8102 | return ret; |
aa9bb764 JM |
8103 | } |
8104 | ||
8105 | ||
8106 | int wpas_p2p_scan_no_go_seen(struct wpa_supplicant *wpa_s) | |
8107 | { | |
b0e669be JM |
8108 | int res; |
8109 | ||
aa9bb764 JM |
8110 | if (!wpa_s->p2p_fallback_to_go_neg || |
8111 | wpa_s->p2p_in_provisioning <= 5) | |
8112 | return 0; | |
8113 | ||
b80eb89d JM |
8114 | if (wpas_p2p_peer_go(wpa_s, wpa_s->pending_join_dev_addr) > 0) |
8115 | return 0; /* peer operating as a GO */ | |
8116 | ||
aa9bb764 JM |
8117 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: GO not found for p2p_connect-auto - " |
8118 | "fallback to GO Negotiation"); | |
ba307f85 | 8119 | wpa_msg_global(wpa_s->p2pdev, MSG_INFO, P2P_EVENT_FALLBACK_TO_GO_NEG |
6b005121 | 8120 | "reason=GO-not-found"); |
b0e669be | 8121 | res = wpas_p2p_fallback_to_go_neg(wpa_s, 1); |
aa9bb764 | 8122 | |
b0e669be | 8123 | return res == 1 ? 2 : 1; |
aa9bb764 | 8124 | } |
05a77b3b JM |
8125 | |
8126 | ||
8127 | unsigned int wpas_p2p_search_delay(struct wpa_supplicant *wpa_s) | |
8128 | { | |
05a77b3b JM |
8129 | struct wpa_supplicant *ifs; |
8130 | ||
8131 | if (wpa_s->wpa_state > WPA_SCANNING) { | |
8132 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Use %u ms search delay due to " | |
8133 | "concurrent operation", | |
d3b20469 NS |
8134 | wpa_s->conf->p2p_search_delay); |
8135 | return wpa_s->conf->p2p_search_delay; | |
05a77b3b JM |
8136 | } |
8137 | ||
5b81927d JM |
8138 | dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant, |
8139 | radio_list) { | |
8140 | if (ifs != wpa_s && ifs->wpa_state > WPA_SCANNING) { | |
05a77b3b JM |
8141 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Use %u ms search " |
8142 | "delay due to concurrent operation on " | |
8143 | "interface %s", | |
d3b20469 NS |
8144 | wpa_s->conf->p2p_search_delay, |
8145 | ifs->ifname); | |
8146 | return wpa_s->conf->p2p_search_delay; | |
05a77b3b JM |
8147 | } |
8148 | } | |
8149 | ||
8150 | return 0; | |
8151 | } | |
f85f545e JM |
8152 | |
8153 | ||
43c693c2 JM |
8154 | static int wpas_p2p_remove_psk_entry(struct wpa_supplicant *wpa_s, |
8155 | struct wpa_ssid *s, const u8 *addr, | |
8156 | int iface_addr) | |
8157 | { | |
8158 | struct psk_list_entry *psk, *tmp; | |
8159 | int changed = 0; | |
8160 | ||
8161 | dl_list_for_each_safe(psk, tmp, &s->psk_list, struct psk_list_entry, | |
8162 | list) { | |
8163 | if ((iface_addr && !psk->p2p && | |
8164 | os_memcmp(addr, psk->addr, ETH_ALEN) == 0) || | |
8165 | (!iface_addr && psk->p2p && | |
8166 | os_memcmp(addr, psk->addr, ETH_ALEN) == 0)) { | |
8167 | wpa_dbg(wpa_s, MSG_DEBUG, | |
8168 | "P2P: Remove persistent group PSK list entry for " | |
8169 | MACSTR " p2p=%u", | |
8170 | MAC2STR(psk->addr), psk->p2p); | |
8171 | dl_list_del(&psk->list); | |
8172 | os_free(psk); | |
8173 | changed++; | |
8174 | } | |
8175 | } | |
8176 | ||
8177 | return changed; | |
8178 | } | |
8179 | ||
8180 | ||
01a57fe4 JM |
8181 | void wpas_p2p_new_psk_cb(struct wpa_supplicant *wpa_s, const u8 *mac_addr, |
8182 | const u8 *p2p_dev_addr, | |
8183 | const u8 *psk, size_t psk_len) | |
8184 | { | |
8185 | struct wpa_ssid *ssid = wpa_s->current_ssid; | |
8186 | struct wpa_ssid *persistent; | |
0bceb8d6 | 8187 | struct psk_list_entry *p, *last; |
01a57fe4 JM |
8188 | |
8189 | if (psk_len != sizeof(p->psk)) | |
8190 | return; | |
8191 | ||
8192 | if (p2p_dev_addr) { | |
8193 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: New PSK for addr=" MACSTR | |
8194 | " p2p_dev_addr=" MACSTR, | |
8195 | MAC2STR(mac_addr), MAC2STR(p2p_dev_addr)); | |
8196 | if (is_zero_ether_addr(p2p_dev_addr)) | |
8197 | p2p_dev_addr = NULL; | |
8198 | } else { | |
8199 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: New PSK for addr=" MACSTR, | |
8200 | MAC2STR(mac_addr)); | |
8201 | } | |
8202 | ||
8203 | if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) { | |
8204 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: new_psk_cb during group formation"); | |
8205 | /* To be added to persistent group once created */ | |
8206 | if (wpa_s->global->add_psk == NULL) { | |
8207 | wpa_s->global->add_psk = os_zalloc(sizeof(*p)); | |
8208 | if (wpa_s->global->add_psk == NULL) | |
8209 | return; | |
8210 | } | |
8211 | p = wpa_s->global->add_psk; | |
8212 | if (p2p_dev_addr) { | |
8213 | p->p2p = 1; | |
8214 | os_memcpy(p->addr, p2p_dev_addr, ETH_ALEN); | |
8215 | } else { | |
8216 | p->p2p = 0; | |
8217 | os_memcpy(p->addr, mac_addr, ETH_ALEN); | |
8218 | } | |
8219 | os_memcpy(p->psk, psk, psk_len); | |
8220 | return; | |
8221 | } | |
8222 | ||
8223 | if (ssid->mode != WPAS_MODE_P2P_GO || !ssid->p2p_persistent_group) { | |
8224 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Ignore new_psk_cb on not-persistent GO"); | |
8225 | return; | |
8226 | } | |
8227 | ||
ba307f85 | 8228 | persistent = wpas_p2p_get_persistent(wpa_s->p2pdev, NULL, ssid->ssid, |
01a57fe4 JM |
8229 | ssid->ssid_len); |
8230 | if (!persistent) { | |
8231 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Could not find persistent group information to store the new PSK"); | |
8232 | return; | |
8233 | } | |
8234 | ||
8235 | p = os_zalloc(sizeof(*p)); | |
8236 | if (p == NULL) | |
8237 | return; | |
8238 | if (p2p_dev_addr) { | |
8239 | p->p2p = 1; | |
8240 | os_memcpy(p->addr, p2p_dev_addr, ETH_ALEN); | |
8241 | } else { | |
8242 | p->p2p = 0; | |
8243 | os_memcpy(p->addr, mac_addr, ETH_ALEN); | |
8244 | } | |
8245 | os_memcpy(p->psk, psk, psk_len); | |
8246 | ||
0bceb8d6 JM |
8247 | if (dl_list_len(&persistent->psk_list) > P2P_MAX_STORED_CLIENTS && |
8248 | (last = dl_list_last(&persistent->psk_list, | |
8249 | struct psk_list_entry, list))) { | |
01a57fe4 JM |
8250 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Remove oldest PSK entry for " |
8251 | MACSTR " (p2p=%u) to make room for a new one", | |
8252 | MAC2STR(last->addr), last->p2p); | |
8253 | dl_list_del(&last->list); | |
8254 | os_free(last); | |
8255 | } | |
8256 | ||
ba307f85 | 8257 | wpas_p2p_remove_psk_entry(wpa_s->p2pdev, persistent, |
43c693c2 JM |
8258 | p2p_dev_addr ? p2p_dev_addr : mac_addr, |
8259 | p2p_dev_addr == NULL); | |
8260 | if (p2p_dev_addr) { | |
8261 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Add new PSK for p2p_dev_addr=" | |
8262 | MACSTR, MAC2STR(p2p_dev_addr)); | |
8263 | } else { | |
8264 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Add new PSK for addr=" MACSTR, | |
8265 | MAC2STR(mac_addr)); | |
8266 | } | |
01a57fe4 JM |
8267 | dl_list_add(&persistent->psk_list, &p->list); |
8268 | ||
ba307f85 LD |
8269 | if (wpa_s->p2pdev->conf->update_config && |
8270 | wpa_config_write(wpa_s->p2pdev->confname, wpa_s->p2pdev->conf)) | |
01a57fe4 | 8271 | wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration"); |
01a57fe4 | 8272 | } |
f2c56602 JM |
8273 | |
8274 | ||
8275 | static void wpas_p2p_remove_psk(struct wpa_supplicant *wpa_s, | |
8276 | struct wpa_ssid *s, const u8 *addr, | |
8277 | int iface_addr) | |
8278 | { | |
43c693c2 | 8279 | int res; |
f2c56602 | 8280 | |
43c693c2 | 8281 | res = wpas_p2p_remove_psk_entry(wpa_s, s, addr, iface_addr); |
2a33687e JM |
8282 | if (res > 0 && wpa_s->conf->update_config && |
8283 | wpa_config_write(wpa_s->confname, wpa_s->conf)) | |
8284 | wpa_dbg(wpa_s, MSG_DEBUG, | |
8285 | "P2P: Failed to update configuration"); | |
f2c56602 JM |
8286 | } |
8287 | ||
8288 | ||
8289 | static void wpas_p2p_remove_client_go(struct wpa_supplicant *wpa_s, | |
8290 | const u8 *peer, int iface_addr) | |
8291 | { | |
8292 | struct hostapd_data *hapd; | |
8293 | struct hostapd_wpa_psk *psk, *prev, *rem; | |
8294 | struct sta_info *sta; | |
8295 | ||
8296 | if (wpa_s->ap_iface == NULL || wpa_s->current_ssid == NULL || | |
8297 | wpa_s->current_ssid->mode != WPAS_MODE_P2P_GO) | |
8298 | return; | |
8299 | ||
8300 | /* Remove per-station PSK entry */ | |
8301 | hapd = wpa_s->ap_iface->bss[0]; | |
8302 | prev = NULL; | |
8303 | psk = hapd->conf->ssid.wpa_psk; | |
8304 | while (psk) { | |
8305 | if ((iface_addr && os_memcmp(peer, psk->addr, ETH_ALEN) == 0) || | |
8306 | (!iface_addr && | |
8307 | os_memcmp(peer, psk->p2p_dev_addr, ETH_ALEN) == 0)) { | |
8308 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Remove operating group PSK entry for " | |
8309 | MACSTR " iface_addr=%d", | |
8310 | MAC2STR(peer), iface_addr); | |
8311 | if (prev) | |
8312 | prev->next = psk->next; | |
8313 | else | |
8314 | hapd->conf->ssid.wpa_psk = psk->next; | |
8315 | rem = psk; | |
8316 | psk = psk->next; | |
8317 | os_free(rem); | |
8318 | } else { | |
8319 | prev = psk; | |
8320 | psk = psk->next; | |
8321 | } | |
8322 | } | |
8323 | ||
8324 | /* Disconnect from group */ | |
8325 | if (iface_addr) | |
8326 | sta = ap_get_sta(hapd, peer); | |
8327 | else | |
8328 | sta = ap_get_sta_p2p(hapd, peer); | |
8329 | if (sta) { | |
8330 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Disconnect peer " MACSTR | |
8331 | " (iface_addr=%d) from group", | |
8332 | MAC2STR(peer), iface_addr); | |
8333 | hostapd_drv_sta_deauth(hapd, sta->addr, | |
8334 | WLAN_REASON_DEAUTH_LEAVING); | |
8335 | ap_sta_deauthenticate(hapd, sta, WLAN_REASON_DEAUTH_LEAVING); | |
8336 | } | |
8337 | } | |
8338 | ||
8339 | ||
8340 | void wpas_p2p_remove_client(struct wpa_supplicant *wpa_s, const u8 *peer, | |
8341 | int iface_addr) | |
8342 | { | |
8343 | struct wpa_ssid *s; | |
8344 | struct wpa_supplicant *w; | |
43677494 | 8345 | struct wpa_supplicant *p2p_wpa_s = wpa_s->global->p2p_init_wpa_s; |
f2c56602 JM |
8346 | |
8347 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Remove client " MACSTR, MAC2STR(peer)); | |
8348 | ||
8349 | /* Remove from any persistent group */ | |
43677494 | 8350 | for (s = p2p_wpa_s->conf->ssid; s; s = s->next) { |
f2c56602 JM |
8351 | if (s->disabled != 2 || s->mode != WPAS_MODE_P2P_GO) |
8352 | continue; | |
8353 | if (!iface_addr) | |
43677494 BR |
8354 | wpas_remove_persistent_peer(p2p_wpa_s, s, peer, 0); |
8355 | wpas_p2p_remove_psk(p2p_wpa_s, s, peer, iface_addr); | |
f2c56602 JM |
8356 | } |
8357 | ||
8358 | /* Remove from any operating group */ | |
8359 | for (w = wpa_s->global->ifaces; w; w = w->next) | |
8360 | wpas_p2p_remove_client_go(w, peer, iface_addr); | |
8361 | } | |
5bf9a6c8 JM |
8362 | |
8363 | ||
813e7b36 JM |
8364 | static void wpas_p2p_psk_failure_removal(void *eloop_ctx, void *timeout_ctx) |
8365 | { | |
8366 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
8367 | wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_PSK_FAILURE); | |
8368 | } | |
8369 | ||
8370 | ||
8567866d JJ |
8371 | static void wpas_p2p_group_freq_conflict(void *eloop_ctx, void *timeout_ctx) |
8372 | { | |
8373 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
8374 | ||
8375 | wpa_printf(MSG_DEBUG, "P2P: Frequency conflict - terminate group"); | |
8376 | wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_FREQ_CONFLICT); | |
8377 | } | |
8378 | ||
8379 | ||
8380 | int wpas_p2p_handle_frequency_conflicts(struct wpa_supplicant *wpa_s, int freq, | |
8381 | struct wpa_ssid *ssid) | |
8382 | { | |
8383 | struct wpa_supplicant *iface; | |
8384 | ||
8385 | for (iface = wpa_s->global->ifaces; iface; iface = iface->next) { | |
8386 | if (!iface->current_ssid || | |
8387 | iface->current_ssid->frequency == freq || | |
8388 | (iface->p2p_group_interface == NOT_P2P_GROUP_INTERFACE && | |
8389 | !iface->current_ssid->p2p_group)) | |
8390 | continue; | |
8391 | ||
8392 | /* Remove the connection with least priority */ | |
8393 | if (!wpas_is_p2p_prioritized(iface)) { | |
8394 | /* STA connection has priority over existing | |
8395 | * P2P connection, so remove the interface. */ | |
8396 | wpa_printf(MSG_DEBUG, "P2P: Removing P2P connection due to single channel concurrent mode frequency conflict"); | |
8397 | eloop_register_timeout(0, 0, | |
8398 | wpas_p2p_group_freq_conflict, | |
8399 | iface, NULL); | |
8400 | /* If connection in progress is P2P connection, do not | |
8401 | * proceed for the connection. */ | |
8402 | if (wpa_s == iface) | |
8403 | return -1; | |
8404 | else | |
8405 | return 0; | |
8406 | } else { | |
8407 | /* P2P connection has priority, disable the STA network | |
8408 | */ | |
8409 | wpa_supplicant_disable_network(wpa_s->global->ifaces, | |
8410 | ssid); | |
8411 | wpa_msg(wpa_s->global->ifaces, MSG_INFO, | |
8412 | WPA_EVENT_FREQ_CONFLICT " id=%d", ssid->id); | |
8413 | os_memset(wpa_s->global->ifaces->pending_bssid, 0, | |
8414 | ETH_ALEN); | |
8415 | /* If P2P connection is in progress, continue | |
8416 | * connecting...*/ | |
8417 | if (wpa_s == iface) | |
8418 | return 0; | |
8419 | else | |
8420 | return -1; | |
8421 | } | |
8422 | } | |
8423 | ||
8424 | return 0; | |
8425 | } | |
8426 | ||
8427 | ||
5bf9a6c8 JM |
8428 | int wpas_p2p_4way_hs_failed(struct wpa_supplicant *wpa_s) |
8429 | { | |
8430 | struct wpa_ssid *ssid = wpa_s->current_ssid; | |
8431 | ||
8432 | if (ssid == NULL || !ssid->p2p_group) | |
8433 | return 0; | |
8434 | ||
8435 | if (wpa_s->p2p_last_4way_hs_fail && | |
8436 | wpa_s->p2p_last_4way_hs_fail == ssid) { | |
8437 | u8 go_dev_addr[ETH_ALEN]; | |
8438 | struct wpa_ssid *persistent; | |
8439 | ||
8440 | if (wpas_p2p_persistent_group(wpa_s, go_dev_addr, | |
8441 | ssid->ssid, | |
8442 | ssid->ssid_len) <= 0) { | |
8443 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Could not determine whether 4-way handshake failures were for a persistent group"); | |
8444 | goto disconnect; | |
8445 | } | |
8446 | ||
8447 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Two 4-way handshake failures for a P2P group - go_dev_addr=" | |
8448 | MACSTR, MAC2STR(go_dev_addr)); | |
ba307f85 | 8449 | persistent = wpas_p2p_get_persistent(wpa_s->p2pdev, go_dev_addr, |
5bf9a6c8 JM |
8450 | ssid->ssid, |
8451 | ssid->ssid_len); | |
8452 | if (persistent == NULL || persistent->mode != WPAS_MODE_INFRA) { | |
8453 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: No matching persistent group stored"); | |
8454 | goto disconnect; | |
8455 | } | |
ba307f85 | 8456 | wpa_msg_global(wpa_s->p2pdev, MSG_INFO, |
5bf9a6c8 JM |
8457 | P2P_EVENT_PERSISTENT_PSK_FAIL "%d", |
8458 | persistent->id); | |
8459 | disconnect: | |
8460 | wpa_s->p2p_last_4way_hs_fail = NULL; | |
813e7b36 JM |
8461 | /* |
8462 | * Remove the group from a timeout to avoid issues with caller | |
8463 | * continuing to use the interface if this is on a P2P group | |
8464 | * interface. | |
8465 | */ | |
8466 | eloop_register_timeout(0, 0, wpas_p2p_psk_failure_removal, | |
8467 | wpa_s, NULL); | |
5bf9a6c8 JM |
8468 | return 1; |
8469 | } | |
8470 | ||
8471 | wpa_s->p2p_last_4way_hs_fail = ssid; | |
8472 | return 0; | |
8473 | } | |
93588780 JM |
8474 | |
8475 | ||
8476 | #ifdef CONFIG_WPS_NFC | |
8477 | ||
8478 | static struct wpabuf * wpas_p2p_nfc_handover(int ndef, struct wpabuf *wsc, | |
8479 | struct wpabuf *p2p) | |
8480 | { | |
8481 | struct wpabuf *ret; | |
59b45d1a | 8482 | size_t wsc_len; |
93588780 JM |
8483 | |
8484 | if (p2p == NULL) { | |
8485 | wpabuf_free(wsc); | |
8486 | wpa_printf(MSG_DEBUG, "P2P: No p2p buffer for handover"); | |
8487 | return NULL; | |
8488 | } | |
8489 | ||
59b45d1a JM |
8490 | wsc_len = wsc ? wpabuf_len(wsc) : 0; |
8491 | ret = wpabuf_alloc(2 + wsc_len + 2 + wpabuf_len(p2p)); | |
93588780 JM |
8492 | if (ret == NULL) { |
8493 | wpabuf_free(wsc); | |
8494 | wpabuf_free(p2p); | |
8495 | return NULL; | |
8496 | } | |
8497 | ||
59b45d1a JM |
8498 | wpabuf_put_be16(ret, wsc_len); |
8499 | if (wsc) | |
8500 | wpabuf_put_buf(ret, wsc); | |
93588780 JM |
8501 | wpabuf_put_be16(ret, wpabuf_len(p2p)); |
8502 | wpabuf_put_buf(ret, p2p); | |
8503 | ||
8504 | wpabuf_free(wsc); | |
8505 | wpabuf_free(p2p); | |
8506 | wpa_hexdump_buf(MSG_DEBUG, | |
8507 | "P2P: Generated NFC connection handover message", ret); | |
8508 | ||
8509 | if (ndef && ret) { | |
8510 | struct wpabuf *tmp; | |
8511 | tmp = ndef_build_p2p(ret); | |
8512 | wpabuf_free(ret); | |
8513 | if (tmp == NULL) { | |
8514 | wpa_printf(MSG_DEBUG, "P2P: Failed to NDEF encapsulate handover request"); | |
8515 | return NULL; | |
8516 | } | |
8517 | ret = tmp; | |
8518 | } | |
8519 | ||
8520 | return ret; | |
8521 | } | |
8522 | ||
8523 | ||
abe44e3c JM |
8524 | static int wpas_p2p_cli_freq(struct wpa_supplicant *wpa_s, |
8525 | struct wpa_ssid **ssid, u8 *go_dev_addr) | |
59b45d1a JM |
8526 | { |
8527 | struct wpa_supplicant *iface; | |
8528 | ||
abe44e3c JM |
8529 | if (go_dev_addr) |
8530 | os_memset(go_dev_addr, 0, ETH_ALEN); | |
8531 | if (ssid) | |
8532 | *ssid = NULL; | |
59b45d1a JM |
8533 | for (iface = wpa_s->global->ifaces; iface; iface = iface->next) { |
8534 | if (iface->wpa_state < WPA_ASSOCIATING || | |
8535 | iface->current_ssid == NULL || iface->assoc_freq == 0 || | |
8536 | !iface->current_ssid->p2p_group || | |
8537 | iface->current_ssid->mode != WPAS_MODE_INFRA) | |
8538 | continue; | |
abe44e3c JM |
8539 | if (ssid) |
8540 | *ssid = iface->current_ssid; | |
8541 | if (go_dev_addr) | |
8542 | os_memcpy(go_dev_addr, iface->go_dev_addr, ETH_ALEN); | |
59b45d1a JM |
8543 | return iface->assoc_freq; |
8544 | } | |
8545 | return 0; | |
8546 | } | |
8547 | ||
8548 | ||
93588780 JM |
8549 | struct wpabuf * wpas_p2p_nfc_handover_req(struct wpa_supplicant *wpa_s, |
8550 | int ndef) | |
8551 | { | |
8552 | struct wpabuf *wsc, *p2p; | |
abe44e3c JM |
8553 | struct wpa_ssid *ssid; |
8554 | u8 go_dev_addr[ETH_ALEN]; | |
8555 | int cli_freq = wpas_p2p_cli_freq(wpa_s, &ssid, go_dev_addr); | |
93588780 JM |
8556 | |
8557 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) { | |
8558 | wpa_printf(MSG_DEBUG, "P2P: P2P disabled - cannot build handover request"); | |
8559 | return NULL; | |
8560 | } | |
8561 | ||
8562 | if (wpa_s->conf->wps_nfc_dh_pubkey == NULL && | |
8563 | wps_nfc_gen_dh(&wpa_s->conf->wps_nfc_dh_pubkey, | |
8564 | &wpa_s->conf->wps_nfc_dh_privkey) < 0) { | |
8565 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: No DH key available for handover request"); | |
8566 | return NULL; | |
8567 | } | |
8568 | ||
59b45d1a JM |
8569 | if (cli_freq == 0) { |
8570 | wsc = wps_build_nfc_handover_req_p2p( | |
8571 | wpa_s->parent->wps, wpa_s->conf->wps_nfc_dh_pubkey); | |
8572 | } else | |
8573 | wsc = NULL; | |
abe44e3c JM |
8574 | p2p = p2p_build_nfc_handover_req(wpa_s->global->p2p, cli_freq, |
8575 | go_dev_addr, ssid ? ssid->ssid : NULL, | |
8576 | ssid ? ssid->ssid_len : 0); | |
93588780 JM |
8577 | |
8578 | return wpas_p2p_nfc_handover(ndef, wsc, p2p); | |
8579 | } | |
8580 | ||
8581 | ||
8582 | struct wpabuf * wpas_p2p_nfc_handover_sel(struct wpa_supplicant *wpa_s, | |
8583 | int ndef, int tag) | |
8584 | { | |
8585 | struct wpabuf *wsc, *p2p; | |
abe44e3c JM |
8586 | struct wpa_ssid *ssid; |
8587 | u8 go_dev_addr[ETH_ALEN]; | |
8588 | int cli_freq = wpas_p2p_cli_freq(wpa_s, &ssid, go_dev_addr); | |
93588780 JM |
8589 | |
8590 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) | |
8591 | return NULL; | |
8592 | ||
8593 | if (!tag && wpa_s->conf->wps_nfc_dh_pubkey == NULL && | |
8594 | wps_nfc_gen_dh(&wpa_s->conf->wps_nfc_dh_pubkey, | |
8595 | &wpa_s->conf->wps_nfc_dh_privkey) < 0) | |
8596 | return NULL; | |
8597 | ||
59b45d1a JM |
8598 | if (cli_freq == 0) { |
8599 | wsc = wps_build_nfc_handover_sel_p2p( | |
8600 | wpa_s->parent->wps, | |
8601 | tag ? wpa_s->conf->wps_nfc_dev_pw_id : | |
8602 | DEV_PW_NFC_CONNECTION_HANDOVER, | |
8603 | wpa_s->conf->wps_nfc_dh_pubkey, | |
8604 | tag ? wpa_s->conf->wps_nfc_dev_pw : NULL); | |
8605 | } else | |
8606 | wsc = NULL; | |
abe44e3c JM |
8607 | p2p = p2p_build_nfc_handover_sel(wpa_s->global->p2p, cli_freq, |
8608 | go_dev_addr, ssid ? ssid->ssid : NULL, | |
8609 | ssid ? ssid->ssid_len : 0); | |
93588780 JM |
8610 | |
8611 | return wpas_p2p_nfc_handover(ndef, wsc, p2p); | |
8612 | } | |
8613 | ||
db6ae69e JM |
8614 | |
8615 | static int wpas_p2p_nfc_join_group(struct wpa_supplicant *wpa_s, | |
8616 | struct p2p_nfc_params *params) | |
8617 | { | |
8618 | wpa_printf(MSG_DEBUG, "P2P: Initiate join-group based on NFC " | |
23318bea JM |
8619 | "connection handover (freq=%d)", |
8620 | params->go_freq); | |
8621 | ||
8622 | if (params->go_freq && params->go_ssid_len) { | |
8623 | wpa_s->p2p_wps_method = WPS_NFC; | |
8624 | wpa_s->pending_join_wps_method = WPS_NFC; | |
8625 | os_memset(wpa_s->pending_join_iface_addr, 0, ETH_ALEN); | |
8626 | os_memcpy(wpa_s->pending_join_dev_addr, params->go_dev_addr, | |
8627 | ETH_ALEN); | |
8628 | return wpas_p2p_join_start(wpa_s, params->go_freq, | |
8629 | params->go_ssid, | |
8630 | params->go_ssid_len); | |
8631 | } | |
8632 | ||
db6ae69e JM |
8633 | return wpas_p2p_connect(wpa_s, params->peer->p2p_device_addr, NULL, |
8634 | WPS_NFC, 0, 0, 1, 0, wpa_s->conf->p2p_go_intent, | |
c27f4c90 | 8635 | params->go_freq, wpa_s->p2p_go_vht_center_freq2, |
70e0cb33 | 8636 | -1, 0, 1, 1, wpa_s->p2p_go_max_oper_chwidth, |
5a3319ab | 8637 | wpa_s->p2p_go_he, |
70e0cb33 JM |
8638 | params->go_ssid_len ? params->go_ssid : NULL, |
8639 | params->go_ssid_len); | |
db6ae69e JM |
8640 | } |
8641 | ||
8642 | ||
8643 | static int wpas_p2p_nfc_auth_join(struct wpa_supplicant *wpa_s, | |
8e9f53c3 | 8644 | struct p2p_nfc_params *params, int tag) |
db6ae69e | 8645 | { |
8e9f53c3 JM |
8646 | int res, persistent; |
8647 | struct wpa_ssid *ssid; | |
8648 | ||
db6ae69e JM |
8649 | wpa_printf(MSG_DEBUG, "P2P: Authorize join-group based on NFC " |
8650 | "connection handover"); | |
8651 | for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) { | |
8e9f53c3 | 8652 | ssid = wpa_s->current_ssid; |
db6ae69e JM |
8653 | if (ssid == NULL) |
8654 | continue; | |
8655 | if (ssid->mode != WPAS_MODE_P2P_GO) | |
8656 | continue; | |
8657 | if (wpa_s->ap_iface == NULL) | |
8658 | continue; | |
8659 | break; | |
8660 | } | |
8661 | if (wpa_s == NULL) { | |
8662 | wpa_printf(MSG_DEBUG, "P2P: Could not find GO interface"); | |
8663 | return -1; | |
8664 | } | |
8665 | ||
3c88d269 | 8666 | if (wpa_s->p2pdev->p2p_oob_dev_pw_id != |
db6ae69e | 8667 | DEV_PW_NFC_CONNECTION_HANDOVER && |
3c88d269 | 8668 | !wpa_s->p2pdev->p2p_oob_dev_pw) { |
db6ae69e JM |
8669 | wpa_printf(MSG_DEBUG, "P2P: No NFC Dev Pw known"); |
8670 | return -1; | |
8671 | } | |
8e9f53c3 | 8672 | res = wpas_ap_wps_add_nfc_pw( |
3c88d269 AO |
8673 | wpa_s, wpa_s->p2pdev->p2p_oob_dev_pw_id, |
8674 | wpa_s->p2pdev->p2p_oob_dev_pw, | |
8675 | wpa_s->p2pdev->p2p_peer_oob_pk_hash_known ? | |
8676 | wpa_s->p2pdev->p2p_peer_oob_pubkey_hash : NULL); | |
8e9f53c3 JM |
8677 | if (res) |
8678 | return res; | |
8679 | ||
8680 | if (!tag) { | |
8681 | wpa_printf(MSG_DEBUG, "P2P: Negotiated handover - wait for peer to join without invitation"); | |
8682 | return 0; | |
8683 | } | |
8684 | ||
8685 | if (!params->peer || | |
8686 | !(params->peer->dev_capab & P2P_DEV_CAPAB_INVITATION_PROCEDURE)) | |
8687 | return 0; | |
8688 | ||
8689 | wpa_printf(MSG_DEBUG, "P2P: Static handover - invite peer " MACSTR | |
8690 | " to join", MAC2STR(params->peer->p2p_device_addr)); | |
8691 | ||
8692 | wpa_s->global->p2p_invite_group = wpa_s; | |
8693 | persistent = ssid->p2p_persistent_group && | |
3c88d269 | 8694 | wpas_p2p_get_persistent(wpa_s->p2pdev, |
8e9f53c3 JM |
8695 | params->peer->p2p_device_addr, |
8696 | ssid->ssid, ssid->ssid_len); | |
3c88d269 | 8697 | wpa_s->p2pdev->pending_invite_ssid_id = -1; |
8e9f53c3 JM |
8698 | |
8699 | return p2p_invite(wpa_s->global->p2p, params->peer->p2p_device_addr, | |
8700 | P2P_INVITE_ROLE_ACTIVE_GO, wpa_s->own_addr, | |
8701 | ssid->ssid, ssid->ssid_len, ssid->frequency, | |
8702 | wpa_s->global->p2p_dev_addr, persistent, 0, | |
3c88d269 | 8703 | wpa_s->p2pdev->p2p_oob_dev_pw_id); |
db6ae69e JM |
8704 | } |
8705 | ||
8706 | ||
8707 | static int wpas_p2p_nfc_init_go_neg(struct wpa_supplicant *wpa_s, | |
b56f6c88 JM |
8708 | struct p2p_nfc_params *params, |
8709 | int forced_freq) | |
db6ae69e JM |
8710 | { |
8711 | wpa_printf(MSG_DEBUG, "P2P: Initiate GO Negotiation based on NFC " | |
8712 | "connection handover"); | |
8713 | return wpas_p2p_connect(wpa_s, params->peer->p2p_device_addr, NULL, | |
8714 | WPS_NFC, 0, 0, 0, 0, wpa_s->conf->p2p_go_intent, | |
c27f4c90 | 8715 | forced_freq, wpa_s->p2p_go_vht_center_freq2, |
70e0cb33 | 8716 | -1, 0, 1, 1, wpa_s->p2p_go_max_oper_chwidth, |
5a3319ab | 8717 | wpa_s->p2p_go_he, NULL, 0); |
db6ae69e JM |
8718 | } |
8719 | ||
8720 | ||
8721 | static int wpas_p2p_nfc_resp_go_neg(struct wpa_supplicant *wpa_s, | |
b56f6c88 JM |
8722 | struct p2p_nfc_params *params, |
8723 | int forced_freq) | |
db6ae69e JM |
8724 | { |
8725 | int res; | |
8726 | ||
8727 | wpa_printf(MSG_DEBUG, "P2P: Authorize GO Negotiation based on NFC " | |
8728 | "connection handover"); | |
8729 | res = wpas_p2p_connect(wpa_s, params->peer->p2p_device_addr, NULL, | |
8730 | WPS_NFC, 0, 0, 0, 1, wpa_s->conf->p2p_go_intent, | |
c27f4c90 | 8731 | forced_freq, wpa_s->p2p_go_vht_center_freq2, |
70e0cb33 | 8732 | -1, 0, 1, 1, wpa_s->p2p_go_max_oper_chwidth, |
5a3319ab | 8733 | wpa_s->p2p_go_he, NULL, 0); |
db6ae69e JM |
8734 | if (res) |
8735 | return res; | |
8736 | ||
8737 | res = wpas_p2p_listen(wpa_s, 60); | |
8738 | if (res) { | |
8739 | p2p_unauthorize(wpa_s->global->p2p, | |
8740 | params->peer->p2p_device_addr); | |
8741 | } | |
8742 | ||
8743 | return res; | |
8744 | } | |
8745 | ||
8746 | ||
8747 | static int wpas_p2p_nfc_connection_handover(struct wpa_supplicant *wpa_s, | |
8748 | const struct wpabuf *data, | |
b56f6c88 | 8749 | int sel, int tag, int forced_freq) |
db6ae69e JM |
8750 | { |
8751 | const u8 *pos, *end; | |
8752 | u16 len, id; | |
8753 | struct p2p_nfc_params params; | |
8754 | int res; | |
8755 | ||
8756 | os_memset(¶ms, 0, sizeof(params)); | |
8757 | params.sel = sel; | |
8758 | ||
8759 | wpa_hexdump_buf(MSG_DEBUG, "P2P: Received NFC tag payload", data); | |
8760 | ||
8761 | pos = wpabuf_head(data); | |
8762 | end = pos + wpabuf_len(data); | |
8763 | ||
8764 | if (end - pos < 2) { | |
8765 | wpa_printf(MSG_DEBUG, "P2P: Not enough data for Length of WSC " | |
8766 | "attributes"); | |
8767 | return -1; | |
8768 | } | |
8769 | len = WPA_GET_BE16(pos); | |
8770 | pos += 2; | |
c061ae59 | 8771 | if (len > end - pos) { |
db6ae69e JM |
8772 | wpa_printf(MSG_DEBUG, "P2P: Not enough data for WSC " |
8773 | "attributes"); | |
8774 | return -1; | |
8775 | } | |
8776 | params.wsc_attr = pos; | |
8777 | params.wsc_len = len; | |
8778 | pos += len; | |
8779 | ||
8780 | if (end - pos < 2) { | |
8781 | wpa_printf(MSG_DEBUG, "P2P: Not enough data for Length of P2P " | |
8782 | "attributes"); | |
8783 | return -1; | |
8784 | } | |
8785 | len = WPA_GET_BE16(pos); | |
8786 | pos += 2; | |
c061ae59 | 8787 | if (len > end - pos) { |
db6ae69e JM |
8788 | wpa_printf(MSG_DEBUG, "P2P: Not enough data for P2P " |
8789 | "attributes"); | |
8790 | return -1; | |
8791 | } | |
8792 | params.p2p_attr = pos; | |
8793 | params.p2p_len = len; | |
8794 | pos += len; | |
8795 | ||
8796 | wpa_hexdump(MSG_DEBUG, "P2P: WSC attributes", | |
8797 | params.wsc_attr, params.wsc_len); | |
8798 | wpa_hexdump(MSG_DEBUG, "P2P: P2P attributes", | |
8799 | params.p2p_attr, params.p2p_len); | |
8800 | if (pos < end) { | |
8801 | wpa_hexdump(MSG_DEBUG, | |
8802 | "P2P: Ignored extra data after P2P attributes", | |
8803 | pos, end - pos); | |
8804 | } | |
8805 | ||
8806 | res = p2p_process_nfc_connection_handover(wpa_s->global->p2p, ¶ms); | |
8807 | if (res) | |
8808 | return res; | |
8809 | ||
74df9ecd JM |
8810 | if (params.next_step == NO_ACTION) |
8811 | return 0; | |
8812 | ||
8813 | if (params.next_step == BOTH_GO) { | |
8814 | wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_NFC_BOTH_GO "peer=" MACSTR, | |
8815 | MAC2STR(params.peer->p2p_device_addr)); | |
8816 | return 0; | |
8817 | } | |
8818 | ||
59b45d1a | 8819 | if (params.next_step == PEER_CLIENT) { |
abe44e3c JM |
8820 | if (!is_zero_ether_addr(params.go_dev_addr)) { |
8821 | wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_NFC_PEER_CLIENT | |
8822 | "peer=" MACSTR " freq=%d go_dev_addr=" MACSTR | |
8823 | " ssid=\"%s\"", | |
8824 | MAC2STR(params.peer->p2p_device_addr), | |
8825 | params.go_freq, | |
8826 | MAC2STR(params.go_dev_addr), | |
8827 | wpa_ssid_txt(params.go_ssid, | |
8828 | params.go_ssid_len)); | |
8829 | } else { | |
8830 | wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_NFC_PEER_CLIENT | |
8831 | "peer=" MACSTR " freq=%d", | |
8832 | MAC2STR(params.peer->p2p_device_addr), | |
8833 | params.go_freq); | |
8834 | } | |
59b45d1a JM |
8835 | return 0; |
8836 | } | |
8837 | ||
abe44e3c | 8838 | if (wpas_p2p_cli_freq(wpa_s, NULL, NULL)) { |
59b45d1a JM |
8839 | wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_NFC_WHILE_CLIENT "peer=" |
8840 | MACSTR, MAC2STR(params.peer->p2p_device_addr)); | |
8841 | return 0; | |
8842 | } | |
8843 | ||
db6ae69e JM |
8844 | wpabuf_free(wpa_s->p2p_oob_dev_pw); |
8845 | wpa_s->p2p_oob_dev_pw = NULL; | |
8846 | ||
8847 | if (params.oob_dev_pw_len < WPS_OOB_PUBKEY_HASH_LEN + 2) { | |
8848 | wpa_printf(MSG_DEBUG, "P2P: No peer OOB Dev Pw " | |
8849 | "received"); | |
8850 | return -1; | |
8851 | } | |
8852 | ||
8853 | id = WPA_GET_BE16(params.oob_dev_pw + WPS_OOB_PUBKEY_HASH_LEN); | |
8854 | wpa_printf(MSG_DEBUG, "P2P: Peer OOB Dev Pw %u", id); | |
8855 | wpa_hexdump(MSG_DEBUG, "P2P: Peer OOB Public Key hash", | |
8856 | params.oob_dev_pw, WPS_OOB_PUBKEY_HASH_LEN); | |
8857 | os_memcpy(wpa_s->p2p_peer_oob_pubkey_hash, | |
8858 | params.oob_dev_pw, WPS_OOB_PUBKEY_HASH_LEN); | |
8859 | wpa_s->p2p_peer_oob_pk_hash_known = 1; | |
8860 | ||
8861 | if (tag) { | |
8862 | if (id < 0x10) { | |
8863 | wpa_printf(MSG_DEBUG, "P2P: Static handover - invalid " | |
8864 | "peer OOB Device Password Id %u", id); | |
8865 | return -1; | |
8866 | } | |
8867 | wpa_printf(MSG_DEBUG, "P2P: Static handover - use peer OOB " | |
8868 | "Device Password Id %u", id); | |
8869 | wpa_hexdump_key(MSG_DEBUG, "P2P: Peer OOB Device Password", | |
8870 | params.oob_dev_pw + WPS_OOB_PUBKEY_HASH_LEN + 2, | |
8871 | params.oob_dev_pw_len - | |
8872 | WPS_OOB_PUBKEY_HASH_LEN - 2); | |
8873 | wpa_s->p2p_oob_dev_pw_id = id; | |
8874 | wpa_s->p2p_oob_dev_pw = wpabuf_alloc_copy( | |
8875 | params.oob_dev_pw + WPS_OOB_PUBKEY_HASH_LEN + 2, | |
8876 | params.oob_dev_pw_len - | |
8877 | WPS_OOB_PUBKEY_HASH_LEN - 2); | |
8878 | if (wpa_s->p2p_oob_dev_pw == NULL) | |
8879 | return -1; | |
8880 | ||
8881 | if (wpa_s->conf->wps_nfc_dh_pubkey == NULL && | |
8882 | wps_nfc_gen_dh(&wpa_s->conf->wps_nfc_dh_pubkey, | |
8883 | &wpa_s->conf->wps_nfc_dh_privkey) < 0) | |
8884 | return -1; | |
8885 | } else { | |
8886 | wpa_printf(MSG_DEBUG, "P2P: Using abbreviated WPS handshake " | |
8887 | "without Device Password"); | |
8888 | wpa_s->p2p_oob_dev_pw_id = DEV_PW_NFC_CONNECTION_HANDOVER; | |
8889 | } | |
8890 | ||
8891 | switch (params.next_step) { | |
8892 | case NO_ACTION: | |
74df9ecd | 8893 | case BOTH_GO: |
59b45d1a | 8894 | case PEER_CLIENT: |
74df9ecd | 8895 | /* already covered above */ |
db6ae69e JM |
8896 | return 0; |
8897 | case JOIN_GROUP: | |
8898 | return wpas_p2p_nfc_join_group(wpa_s, ¶ms); | |
8899 | case AUTH_JOIN: | |
8e9f53c3 | 8900 | return wpas_p2p_nfc_auth_join(wpa_s, ¶ms, tag); |
db6ae69e | 8901 | case INIT_GO_NEG: |
b56f6c88 | 8902 | return wpas_p2p_nfc_init_go_neg(wpa_s, ¶ms, forced_freq); |
db6ae69e JM |
8903 | case RESP_GO_NEG: |
8904 | /* TODO: use own OOB Dev Pw */ | |
b56f6c88 | 8905 | return wpas_p2p_nfc_resp_go_neg(wpa_s, ¶ms, forced_freq); |
db6ae69e JM |
8906 | } |
8907 | ||
8908 | return -1; | |
8909 | } | |
8910 | ||
8911 | ||
dd37a938 | 8912 | int wpas_p2p_nfc_tag_process(struct wpa_supplicant *wpa_s, |
b56f6c88 | 8913 | const struct wpabuf *data, int forced_freq) |
dd37a938 JM |
8914 | { |
8915 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) | |
8916 | return -1; | |
8917 | ||
b56f6c88 | 8918 | return wpas_p2p_nfc_connection_handover(wpa_s, data, 1, 1, forced_freq); |
dd37a938 JM |
8919 | } |
8920 | ||
8921 | ||
db6ae69e JM |
8922 | int wpas_p2p_nfc_report_handover(struct wpa_supplicant *wpa_s, int init, |
8923 | const struct wpabuf *req, | |
b56f6c88 | 8924 | const struct wpabuf *sel, int forced_freq) |
db6ae69e JM |
8925 | { |
8926 | struct wpabuf *tmp; | |
8927 | int ret; | |
8928 | ||
8929 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) | |
8930 | return -1; | |
8931 | ||
8932 | wpa_printf(MSG_DEBUG, "NFC: P2P connection handover reported"); | |
8933 | ||
8934 | wpa_hexdump_ascii(MSG_DEBUG, "NFC: Req", | |
8935 | wpabuf_head(req), wpabuf_len(req)); | |
8936 | wpa_hexdump_ascii(MSG_DEBUG, "NFC: Sel", | |
8937 | wpabuf_head(sel), wpabuf_len(sel)); | |
b56f6c88 JM |
8938 | if (forced_freq) |
8939 | wpa_printf(MSG_DEBUG, "NFC: Forced freq %d", forced_freq); | |
db6ae69e JM |
8940 | tmp = ndef_parse_p2p(init ? sel : req); |
8941 | if (tmp == NULL) { | |
8942 | wpa_printf(MSG_DEBUG, "P2P: Could not parse NDEF"); | |
8943 | return -1; | |
8944 | } | |
8945 | ||
b56f6c88 JM |
8946 | ret = wpas_p2p_nfc_connection_handover(wpa_s, tmp, init, 0, |
8947 | forced_freq); | |
db6ae69e JM |
8948 | wpabuf_free(tmp); |
8949 | ||
8950 | return ret; | |
8951 | } | |
8952 | ||
c4f87a70 JM |
8953 | |
8954 | int wpas_p2p_nfc_tag_enabled(struct wpa_supplicant *wpa_s, int enabled) | |
8955 | { | |
8956 | const u8 *if_addr; | |
8957 | int go_intent = wpa_s->conf->p2p_go_intent; | |
dd876771 | 8958 | struct wpa_supplicant *iface; |
c4f87a70 JM |
8959 | |
8960 | if (wpa_s->global->p2p == NULL) | |
8961 | return -1; | |
8962 | ||
8963 | if (!enabled) { | |
dd876771 JM |
8964 | wpa_printf(MSG_DEBUG, "P2P: Disable use of own NFC Tag"); |
8965 | for (iface = wpa_s->global->ifaces; iface; iface = iface->next) | |
8966 | { | |
8967 | if (!iface->ap_iface) | |
8968 | continue; | |
8969 | hostapd_wps_nfc_token_disable(iface->ap_iface->bss[0]); | |
8970 | } | |
c4f87a70 JM |
8971 | p2p_set_authorized_oob_dev_pw_id(wpa_s->global->p2p, 0, |
8972 | 0, NULL); | |
8973 | if (wpa_s->p2p_nfc_tag_enabled) | |
8974 | wpas_p2p_remove_pending_group_interface(wpa_s); | |
8975 | wpa_s->p2p_nfc_tag_enabled = 0; | |
8976 | return 0; | |
8977 | } | |
8978 | ||
8979 | if (wpa_s->global->p2p_disabled) | |
8980 | return -1; | |
8981 | ||
8982 | if (wpa_s->conf->wps_nfc_dh_pubkey == NULL || | |
8983 | wpa_s->conf->wps_nfc_dh_privkey == NULL || | |
8984 | wpa_s->conf->wps_nfc_dev_pw == NULL || | |
8985 | wpa_s->conf->wps_nfc_dev_pw_id < 0x10) { | |
8986 | wpa_printf(MSG_DEBUG, "P2P: NFC password token not configured " | |
8987 | "to allow static handover cases"); | |
8988 | return -1; | |
8989 | } | |
8990 | ||
dd876771 JM |
8991 | wpa_printf(MSG_DEBUG, "P2P: Enable use of own NFC Tag"); |
8992 | ||
c4f87a70 JM |
8993 | wpa_s->p2p_oob_dev_pw_id = wpa_s->conf->wps_nfc_dev_pw_id; |
8994 | wpabuf_free(wpa_s->p2p_oob_dev_pw); | |
8995 | wpa_s->p2p_oob_dev_pw = wpabuf_dup(wpa_s->conf->wps_nfc_dev_pw); | |
8996 | if (wpa_s->p2p_oob_dev_pw == NULL) | |
8997 | return -1; | |
8998 | wpa_s->p2p_peer_oob_pk_hash_known = 0; | |
8999 | ||
67d39cfb MB |
9000 | if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_GO || |
9001 | wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_CLIENT) { | |
9002 | /* | |
9003 | * P2P Group Interface present and the command came on group | |
9004 | * interface, so enable the token for the current interface. | |
9005 | */ | |
9006 | wpa_s->create_p2p_iface = 0; | |
9007 | } else { | |
9008 | wpa_s->create_p2p_iface = wpas_p2p_create_iface(wpa_s); | |
9009 | } | |
c4f87a70 JM |
9010 | |
9011 | if (wpa_s->create_p2p_iface) { | |
9012 | enum wpa_driver_if_type iftype; | |
9013 | /* Prepare to add a new interface for the group */ | |
9014 | iftype = WPA_IF_P2P_GROUP; | |
9015 | if (go_intent == 15) | |
9016 | iftype = WPA_IF_P2P_GO; | |
9017 | if (wpas_p2p_add_group_interface(wpa_s, iftype) < 0) { | |
9018 | wpa_printf(MSG_ERROR, "P2P: Failed to allocate a new " | |
9019 | "interface for the group"); | |
9020 | return -1; | |
9021 | } | |
9022 | ||
9023 | if_addr = wpa_s->pending_interface_addr; | |
96a26ab7 LD |
9024 | } else if (wpa_s->p2p_mgmt) |
9025 | if_addr = wpa_s->parent->own_addr; | |
9026 | else | |
c4f87a70 JM |
9027 | if_addr = wpa_s->own_addr; |
9028 | ||
9029 | wpa_s->p2p_nfc_tag_enabled = enabled; | |
9030 | ||
dd876771 JM |
9031 | for (iface = wpa_s->global->ifaces; iface; iface = iface->next) { |
9032 | struct hostapd_data *hapd; | |
9033 | if (iface->ap_iface == NULL) | |
9034 | continue; | |
9035 | hapd = iface->ap_iface->bss[0]; | |
9036 | wpabuf_free(hapd->conf->wps_nfc_dh_pubkey); | |
9037 | hapd->conf->wps_nfc_dh_pubkey = | |
9038 | wpabuf_dup(wpa_s->conf->wps_nfc_dh_pubkey); | |
9039 | wpabuf_free(hapd->conf->wps_nfc_dh_privkey); | |
9040 | hapd->conf->wps_nfc_dh_privkey = | |
9041 | wpabuf_dup(wpa_s->conf->wps_nfc_dh_privkey); | |
9042 | wpabuf_free(hapd->conf->wps_nfc_dev_pw); | |
9043 | hapd->conf->wps_nfc_dev_pw = | |
9044 | wpabuf_dup(wpa_s->conf->wps_nfc_dev_pw); | |
9045 | hapd->conf->wps_nfc_dev_pw_id = wpa_s->conf->wps_nfc_dev_pw_id; | |
9046 | ||
9047 | if (hostapd_wps_nfc_token_enable(iface->ap_iface->bss[0]) < 0) { | |
9048 | wpa_dbg(iface, MSG_DEBUG, | |
9049 | "P2P: Failed to enable NFC Tag for GO"); | |
9050 | } | |
9051 | } | |
c4f87a70 JM |
9052 | p2p_set_authorized_oob_dev_pw_id( |
9053 | wpa_s->global->p2p, wpa_s->conf->wps_nfc_dev_pw_id, go_intent, | |
9054 | if_addr); | |
9055 | ||
9056 | return 0; | |
9057 | } | |
9058 | ||
93588780 | 9059 | #endif /* CONFIG_WPS_NFC */ |
e3bd6e9d IP |
9060 | |
9061 | ||
9062 | static void wpas_p2p_optimize_listen_channel(struct wpa_supplicant *wpa_s, | |
9063 | struct wpa_used_freq_data *freqs, | |
9064 | unsigned int num) | |
9065 | { | |
9066 | u8 curr_chan, cand, chan; | |
9067 | unsigned int i; | |
9068 | ||
c2675c87 IP |
9069 | /* |
9070 | * If possible, optimize the Listen channel to be a channel that is | |
9071 | * already used by one of the other interfaces. | |
9072 | */ | |
9073 | if (!wpa_s->conf->p2p_optimize_listen_chan) | |
9074 | return; | |
9075 | ||
9076 | if (!wpa_s->current_ssid || wpa_s->wpa_state != WPA_COMPLETED) | |
9077 | return; | |
9078 | ||
e3bd6e9d IP |
9079 | curr_chan = p2p_get_listen_channel(wpa_s->global->p2p); |
9080 | for (i = 0, cand = 0; i < num; i++) { | |
9081 | ieee80211_freq_to_chan(freqs[i].freq, &chan); | |
9082 | if (curr_chan == chan) { | |
9083 | cand = 0; | |
9084 | break; | |
9085 | } | |
9086 | ||
9087 | if (chan == 1 || chan == 6 || chan == 11) | |
9088 | cand = chan; | |
9089 | } | |
9090 | ||
9091 | if (cand) { | |
9092 | wpa_dbg(wpa_s, MSG_DEBUG, | |
abe96d06 | 9093 | "P2P: Update Listen channel to %u based on operating channel", |
e3bd6e9d IP |
9094 | cand); |
9095 | p2p_set_listen_channel(wpa_s->global->p2p, 81, cand, 0); | |
9096 | } | |
9097 | } | |
9098 | ||
9099 | ||
1a471ff0 IP |
9100 | static int wpas_p2p_move_go_csa(struct wpa_supplicant *wpa_s) |
9101 | { | |
73afc20d AO |
9102 | struct hostapd_config *conf; |
9103 | struct p2p_go_neg_results params; | |
9104 | struct csa_settings csa_settings; | |
9105 | struct wpa_ssid *current_ssid = wpa_s->current_ssid; | |
9106 | int old_freq = current_ssid->frequency; | |
9107 | int ret; | |
73afc20d | 9108 | |
1a471ff0 IP |
9109 | if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_CSA)) { |
9110 | wpa_dbg(wpa_s, MSG_DEBUG, "CSA is not enabled"); | |
9111 | return -1; | |
9112 | } | |
9113 | ||
73afc20d AO |
9114 | /* |
9115 | * TODO: This function may not always work correctly. For example, | |
9116 | * when we have a running GO and a BSS on a DFS channel. | |
9117 | */ | |
5a3319ab | 9118 | if (wpas_p2p_init_go_params(wpa_s, ¶ms, 0, 0, 0, 0, 0, 0, NULL)) { |
73afc20d AO |
9119 | wpa_dbg(wpa_s, MSG_DEBUG, |
9120 | "P2P CSA: Failed to select new frequency for GO"); | |
9121 | return -1; | |
9122 | } | |
9123 | ||
9124 | if (current_ssid->frequency == params.freq) { | |
9125 | wpa_dbg(wpa_s, MSG_DEBUG, | |
9126 | "P2P CSA: Selected same frequency - not moving GO"); | |
9127 | return 0; | |
9128 | } | |
9129 | ||
9130 | conf = hostapd_config_defaults(); | |
9131 | if (!conf) { | |
9132 | wpa_dbg(wpa_s, MSG_DEBUG, | |
9133 | "P2P CSA: Failed to allocate default config"); | |
9134 | return -1; | |
9135 | } | |
9136 | ||
9137 | current_ssid->frequency = params.freq; | |
9138 | if (wpa_supplicant_conf_ap_ht(wpa_s, current_ssid, conf)) { | |
9139 | wpa_dbg(wpa_s, MSG_DEBUG, | |
9140 | "P2P CSA: Failed to create new GO config"); | |
9141 | ret = -1; | |
9142 | goto out; | |
9143 | } | |
9144 | ||
9145 | if (conf->hw_mode != wpa_s->ap_iface->current_mode->mode) { | |
9146 | wpa_dbg(wpa_s, MSG_DEBUG, | |
9147 | "P2P CSA: CSA to a different band is not supported"); | |
9148 | ret = -1; | |
9149 | goto out; | |
9150 | } | |
9151 | ||
9152 | os_memset(&csa_settings, 0, sizeof(csa_settings)); | |
9153 | csa_settings.cs_count = P2P_GO_CSA_COUNT; | |
9154 | csa_settings.block_tx = P2P_GO_CSA_BLOCK_TX; | |
9155 | csa_settings.freq_params.freq = params.freq; | |
73afc20d AO |
9156 | csa_settings.freq_params.sec_channel_offset = conf->secondary_channel; |
9157 | csa_settings.freq_params.ht_enabled = conf->ieee80211n; | |
9158 | csa_settings.freq_params.bandwidth = conf->secondary_channel ? 40 : 20; | |
9159 | ||
9160 | if (conf->ieee80211ac) { | |
9161 | int freq1 = 0, freq2 = 0; | |
7d82170a LC |
9162 | u8 chan, opclass; |
9163 | ||
9164 | if (ieee80211_freq_to_channel_ext(params.freq, | |
9165 | conf->secondary_channel, | |
9166 | conf->vht_oper_chwidth, | |
9167 | &opclass, &chan) == | |
9168 | NUM_HOSTAPD_MODES) { | |
9169 | wpa_printf(MSG_ERROR, "P2P CSA: Bad freq"); | |
9170 | ret = -1; | |
9171 | goto out; | |
9172 | } | |
73afc20d AO |
9173 | |
9174 | if (conf->vht_oper_centr_freq_seg0_idx) | |
9175 | freq1 = ieee80211_chan_to_freq( | |
7d82170a | 9176 | NULL, opclass, |
73afc20d AO |
9177 | conf->vht_oper_centr_freq_seg0_idx); |
9178 | ||
9179 | if (conf->vht_oper_centr_freq_seg1_idx) | |
9180 | freq2 = ieee80211_chan_to_freq( | |
7d82170a | 9181 | NULL, opclass, |
73afc20d AO |
9182 | conf->vht_oper_centr_freq_seg1_idx); |
9183 | ||
9184 | if (freq1 < 0 || freq2 < 0) { | |
9185 | wpa_dbg(wpa_s, MSG_DEBUG, | |
9186 | "P2P CSA: Selected invalid VHT center freqs"); | |
9187 | ret = -1; | |
9188 | goto out; | |
9189 | } | |
9190 | ||
9191 | csa_settings.freq_params.vht_enabled = conf->ieee80211ac; | |
9192 | csa_settings.freq_params.center_freq1 = freq1; | |
9193 | csa_settings.freq_params.center_freq2 = freq2; | |
9194 | ||
9195 | switch (conf->vht_oper_chwidth) { | |
9196 | case VHT_CHANWIDTH_80MHZ: | |
9197 | case VHT_CHANWIDTH_80P80MHZ: | |
9198 | csa_settings.freq_params.bandwidth = 80; | |
9199 | break; | |
9200 | case VHT_CHANWIDTH_160MHZ: | |
9201 | csa_settings.freq_params.bandwidth = 160; | |
9202 | break; | |
9203 | } | |
9204 | } | |
9205 | ||
9206 | ret = ap_switch_channel(wpa_s, &csa_settings); | |
9207 | out: | |
9208 | current_ssid->frequency = old_freq; | |
9209 | hostapd_config_free(conf); | |
9210 | return ret; | |
1a471ff0 IP |
9211 | } |
9212 | ||
9213 | ||
9214 | static void wpas_p2p_move_go_no_csa(struct wpa_supplicant *wpa_s) | |
9215 | { | |
9216 | struct p2p_go_neg_results params; | |
9217 | struct wpa_ssid *current_ssid = wpa_s->current_ssid; | |
9218 | ||
9219 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_REMOVE_AND_REFORM_GROUP); | |
9220 | ||
9221 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Move GO from freq=%d MHz", | |
9222 | current_ssid->frequency); | |
9223 | ||
9224 | /* Stop the AP functionality */ | |
9225 | /* TODO: Should do this in a way that does not indicated to possible | |
9226 | * P2P Clients in the group that the group is terminated. */ | |
9227 | wpa_supplicant_ap_deinit(wpa_s); | |
9228 | ||
9229 | /* Reselect the GO frequency */ | |
5a3319ab | 9230 | if (wpas_p2p_init_go_params(wpa_s, ¶ms, 0, 0, 0, 0, 0, 0, NULL)) { |
1a471ff0 IP |
9231 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Failed to reselect freq"); |
9232 | wpas_p2p_group_delete(wpa_s, | |
9233 | P2P_GROUP_REMOVAL_GO_LEAVE_CHANNEL); | |
9234 | return; | |
9235 | } | |
9236 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: New freq selected for the GO (%u MHz)", | |
9237 | params.freq); | |
9238 | ||
9239 | if (params.freq && | |
9240 | !p2p_supported_freq_go(wpa_s->global->p2p, params.freq)) { | |
9241 | wpa_printf(MSG_DEBUG, | |
9242 | "P2P: Selected freq (%u MHz) is not valid for P2P", | |
9243 | params.freq); | |
9244 | wpas_p2p_group_delete(wpa_s, | |
9245 | P2P_GROUP_REMOVAL_GO_LEAVE_CHANNEL); | |
9246 | return; | |
9247 | } | |
9248 | ||
9249 | /* Update the frequency */ | |
9250 | current_ssid->frequency = params.freq; | |
9251 | wpa_s->connect_without_scan = current_ssid; | |
9252 | wpa_s->reassociate = 1; | |
9253 | wpa_s->disconnected = 0; | |
9254 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
9255 | } | |
9256 | ||
9257 | ||
9258 | static void wpas_p2p_move_go(void *eloop_ctx, void *timeout_ctx) | |
9259 | { | |
9260 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
9261 | ||
9262 | if (!wpa_s->ap_iface || !wpa_s->current_ssid) | |
9263 | return; | |
9264 | ||
5e1f4805 IP |
9265 | wpas_p2p_go_update_common_freqs(wpa_s); |
9266 | ||
3bafb0d8 AO |
9267 | /* Do not move GO in the middle of a CSA */ |
9268 | if (hostapd_csa_in_progress(wpa_s->ap_iface)) { | |
9269 | wpa_printf(MSG_DEBUG, | |
9270 | "P2P: CSA is in progress - not moving GO"); | |
9271 | return; | |
9272 | } | |
9273 | ||
1a471ff0 IP |
9274 | /* |
9275 | * First, try a channel switch flow. If it is not supported or fails, | |
9276 | * take down the GO and bring it up again. | |
9277 | */ | |
9278 | if (wpas_p2p_move_go_csa(wpa_s) < 0) | |
9279 | wpas_p2p_move_go_no_csa(wpa_s); | |
9280 | } | |
9281 | ||
9282 | ||
dae4c82c IP |
9283 | static void wpas_p2p_reconsider_moving_go(void *eloop_ctx, void *timeout_ctx) |
9284 | { | |
9285 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
9286 | struct wpa_used_freq_data *freqs = NULL; | |
9287 | unsigned int num = wpa_s->num_multichan_concurrent; | |
9288 | ||
9289 | freqs = os_calloc(num, sizeof(struct wpa_used_freq_data)); | |
9290 | if (!freqs) | |
9291 | return; | |
9292 | ||
9293 | num = get_shared_radio_freqs_data(wpa_s, freqs, num); | |
9294 | ||
9295 | /* Previous attempt to move a GO was not possible -- try again. */ | |
3a8f008a IP |
9296 | wpas_p2p_consider_moving_gos(wpa_s, freqs, num, |
9297 | WPAS_P2P_CHANNEL_UPDATE_ANY); | |
dae4c82c IP |
9298 | |
9299 | os_free(freqs); | |
9300 | } | |
9301 | ||
9302 | ||
1a471ff0 IP |
9303 | /* |
9304 | * Consider moving a GO from its currently used frequency: | |
9305 | * 1. It is possible that due to regulatory consideration the frequency | |
9306 | * can no longer be used and there is a need to evacuate the GO. | |
9307 | * 2. It is possible that due to MCC considerations, it would be preferable | |
9308 | * to move the GO to a channel that is currently used by some other | |
9309 | * station interface. | |
9310 | * | |
9311 | * In case a frequency that became invalid is once again valid, cancel a | |
9312 | * previously initiated GO frequency change. | |
9313 | */ | |
9314 | static void wpas_p2p_consider_moving_one_go(struct wpa_supplicant *wpa_s, | |
9315 | struct wpa_used_freq_data *freqs, | |
9316 | unsigned int num) | |
9317 | { | |
9318 | unsigned int i, invalid_freq = 0, policy_move = 0, flags = 0; | |
9319 | unsigned int timeout; | |
9320 | int freq; | |
c5aeb434 | 9321 | int dfs_offload; |
1a471ff0 | 9322 | |
5e1f4805 IP |
9323 | wpas_p2p_go_update_common_freqs(wpa_s); |
9324 | ||
1a471ff0 | 9325 | freq = wpa_s->current_ssid->frequency; |
c5aeb434 | 9326 | dfs_offload = (wpa_s->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) && |
d239ab39 | 9327 | ieee80211_is_dfs(freq, wpa_s->hw.modes, wpa_s->hw.num_modes); |
1a471ff0 IP |
9328 | for (i = 0, invalid_freq = 0; i < num; i++) { |
9329 | if (freqs[i].freq == freq) { | |
9330 | flags = freqs[i].flags; | |
9331 | ||
9332 | /* The channel is invalid, must change it */ | |
c5aeb434 SD |
9333 | if (!p2p_supported_freq_go(wpa_s->global->p2p, freq) && |
9334 | !dfs_offload) { | |
1a471ff0 IP |
9335 | wpa_dbg(wpa_s, MSG_DEBUG, |
9336 | "P2P: Freq=%d MHz no longer valid for GO", | |
9337 | freq); | |
9338 | invalid_freq = 1; | |
9339 | } | |
9340 | } else if (freqs[i].flags == 0) { | |
9341 | /* Freq is not used by any other station interface */ | |
9342 | continue; | |
9343 | } else if (!p2p_supported_freq(wpa_s->global->p2p, | |
c5aeb434 | 9344 | freqs[i].freq) && !dfs_offload) { |
1a471ff0 IP |
9345 | /* Freq is not valid for P2P use cases */ |
9346 | continue; | |
9347 | } else if (wpa_s->conf->p2p_go_freq_change_policy == | |
9348 | P2P_GO_FREQ_MOVE_SCM) { | |
9349 | policy_move = 1; | |
9350 | } else if (wpa_s->conf->p2p_go_freq_change_policy == | |
9351 | P2P_GO_FREQ_MOVE_SCM_PEER_SUPPORTS && | |
9352 | wpas_p2p_go_is_peer_freq(wpa_s, freqs[i].freq)) { | |
9353 | policy_move = 1; | |
98b05081 AO |
9354 | } else if ((wpa_s->conf->p2p_go_freq_change_policy == |
9355 | P2P_GO_FREQ_MOVE_SCM_ECSA) && | |
9356 | wpas_p2p_go_is_peer_freq(wpa_s, freqs[i].freq)) { | |
9357 | if (!p2p_get_group_num_members(wpa_s->p2p_group)) { | |
9358 | policy_move = 1; | |
9359 | } else if ((wpa_s->drv_flags & | |
9360 | WPA_DRIVER_FLAGS_AP_CSA) && | |
9361 | wpas_p2p_go_clients_support_ecsa(wpa_s)) { | |
9362 | u8 chan; | |
9363 | ||
9364 | /* | |
9365 | * We do not support CSA between bands, so move | |
9366 | * GO only within the same band. | |
9367 | */ | |
9368 | if (wpa_s->ap_iface->current_mode->mode == | |
9369 | ieee80211_freq_to_chan(freqs[i].freq, | |
9370 | &chan)) | |
9371 | policy_move = 1; | |
9372 | } | |
1a471ff0 IP |
9373 | } |
9374 | } | |
9375 | ||
9376 | wpa_dbg(wpa_s, MSG_DEBUG, | |
9377 | "P2P: GO move: invalid_freq=%u, policy_move=%u, flags=0x%X", | |
9378 | invalid_freq, policy_move, flags); | |
9379 | ||
9380 | /* | |
9381 | * The channel is valid, or we are going to have a policy move, so | |
9382 | * cancel timeout. | |
9383 | */ | |
9384 | if (!invalid_freq || policy_move) { | |
9385 | wpa_dbg(wpa_s, MSG_DEBUG, | |
9386 | "P2P: Cancel a GO move from freq=%d MHz", freq); | |
9387 | eloop_cancel_timeout(wpas_p2p_move_go, wpa_s, NULL); | |
dae4c82c IP |
9388 | |
9389 | if (wpas_p2p_in_progress(wpa_s)) { | |
9390 | wpa_dbg(wpa_s, MSG_DEBUG, | |
9391 | "P2P: GO move: policy CS is not allowed - setting timeout to re-consider GO move"); | |
9392 | eloop_cancel_timeout(wpas_p2p_reconsider_moving_go, | |
9393 | wpa_s, NULL); | |
9394 | eloop_register_timeout(P2P_RECONSIDER_GO_MOVE_DELAY, 0, | |
9395 | wpas_p2p_reconsider_moving_go, | |
9396 | wpa_s, NULL); | |
9397 | return; | |
9398 | } | |
1a471ff0 IP |
9399 | } |
9400 | ||
9401 | if (!invalid_freq && (!policy_move || flags != 0)) { | |
9402 | wpa_dbg(wpa_s, MSG_DEBUG, | |
9403 | "P2P: Not initiating a GO frequency change"); | |
9404 | return; | |
9405 | } | |
9406 | ||
3bafb0d8 AO |
9407 | /* |
9408 | * Do not consider moving GO if it is in the middle of a CSA. When the | |
9409 | * CSA is finished this flow should be retriggered. | |
9410 | */ | |
9411 | if (hostapd_csa_in_progress(wpa_s->ap_iface)) { | |
9412 | wpa_dbg(wpa_s, MSG_DEBUG, | |
9413 | "P2P: Not initiating a GO frequency change - CSA is in progress"); | |
9414 | return; | |
9415 | } | |
9416 | ||
1a471ff0 IP |
9417 | if (invalid_freq && !wpas_p2p_disallowed_freq(wpa_s->global, freq)) |
9418 | timeout = P2P_GO_FREQ_CHANGE_TIME; | |
9419 | else | |
9420 | timeout = 0; | |
9421 | ||
9422 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Move GO from freq=%d MHz in %d secs", | |
9423 | freq, timeout); | |
9424 | eloop_cancel_timeout(wpas_p2p_move_go, wpa_s, NULL); | |
9425 | eloop_register_timeout(timeout, 0, wpas_p2p_move_go, wpa_s, NULL); | |
9426 | } | |
9427 | ||
9428 | ||
9429 | static void wpas_p2p_consider_moving_gos(struct wpa_supplicant *wpa_s, | |
9430 | struct wpa_used_freq_data *freqs, | |
3a8f008a IP |
9431 | unsigned int num, |
9432 | enum wpas_p2p_channel_update_trig trig) | |
1a471ff0 IP |
9433 | { |
9434 | struct wpa_supplicant *ifs; | |
9435 | ||
dae4c82c IP |
9436 | eloop_cancel_timeout(wpas_p2p_reconsider_moving_go, ELOOP_ALL_CTX, |
9437 | NULL); | |
9438 | ||
1a471ff0 IP |
9439 | /* |
9440 | * Travers all the radio interfaces, and for each GO interface, check | |
9441 | * if there is a need to move the GO from the frequency it is using, | |
9442 | * or in case the frequency is valid again, cancel the evacuation flow. | |
9443 | */ | |
9444 | dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant, | |
9445 | radio_list) { | |
9446 | if (ifs->current_ssid == NULL || | |
9447 | ifs->current_ssid->mode != WPAS_MODE_P2P_GO) | |
9448 | continue; | |
9449 | ||
3a8f008a IP |
9450 | /* |
9451 | * The GO was just started or completed channel switch, no need | |
9452 | * to move it. | |
9453 | */ | |
9454 | if (wpa_s == ifs && | |
9455 | (trig == WPAS_P2P_CHANNEL_UPDATE_STATE_CHANGE || | |
9456 | trig == WPAS_P2P_CHANNEL_UPDATE_CS)) { | |
9457 | wpa_dbg(wpa_s, MSG_DEBUG, | |
9458 | "P2P: GO move - schedule re-consideration"); | |
9459 | eloop_register_timeout(P2P_RECONSIDER_GO_MOVE_DELAY, 0, | |
9460 | wpas_p2p_reconsider_moving_go, | |
9461 | wpa_s, NULL); | |
9462 | continue; | |
9463 | } | |
9464 | ||
1a471ff0 IP |
9465 | wpas_p2p_consider_moving_one_go(ifs, freqs, num); |
9466 | } | |
9467 | } | |
9468 | ||
9469 | ||
e3bd6e9d IP |
9470 | void wpas_p2p_indicate_state_change(struct wpa_supplicant *wpa_s) |
9471 | { | |
e3bd6e9d IP |
9472 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
9473 | return; | |
9474 | ||
3a8f008a IP |
9475 | wpas_p2p_update_channel_list(wpa_s, |
9476 | WPAS_P2P_CHANNEL_UPDATE_STATE_CHANGE); | |
e3bd6e9d | 9477 | } |
bd10d938 JM |
9478 | |
9479 | ||
9480 | void wpas_p2p_deinit_iface(struct wpa_supplicant *wpa_s) | |
9481 | { | |
bd10d938 JM |
9482 | if (wpa_s == wpa_s->global->p2p_init_wpa_s && wpa_s->global->p2p) { |
9483 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Disable P2P since removing " | |
9484 | "the management interface is being removed"); | |
9485 | wpas_p2p_deinit_global(wpa_s->global); | |
9486 | } | |
9487 | } | |
9488 | ||
9489 | ||
9490 | void wpas_p2p_ap_deinit(struct wpa_supplicant *wpa_s) | |
9491 | { | |
9492 | if (wpa_s->ap_iface->bss) | |
9493 | wpa_s->ap_iface->bss[0]->p2p_group = NULL; | |
9494 | wpas_p2p_group_deinit(wpa_s); | |
9495 | } | |
a6f5b193 PX |
9496 | |
9497 | ||
9498 | int wpas_p2p_lo_start(struct wpa_supplicant *wpa_s, unsigned int freq, | |
9499 | unsigned int period, unsigned int interval, | |
9500 | unsigned int count) | |
9501 | { | |
9502 | struct p2p_data *p2p = wpa_s->global->p2p; | |
9503 | u8 *device_types; | |
9504 | size_t dev_types_len; | |
9505 | struct wpabuf *buf; | |
9506 | int ret; | |
9507 | ||
9508 | if (wpa_s->p2p_lo_started) { | |
9509 | wpa_dbg(wpa_s, MSG_DEBUG, | |
9510 | "P2P Listen offload is already started"); | |
9511 | return 0; | |
9512 | } | |
9513 | ||
9514 | if (wpa_s->global->p2p == NULL || | |
9515 | !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD)) { | |
9516 | wpa_printf(MSG_DEBUG, "P2P: Listen offload not supported"); | |
9517 | return -1; | |
9518 | } | |
9519 | ||
9520 | if (!p2p_supported_freq(wpa_s->global->p2p, freq)) { | |
9521 | wpa_printf(MSG_ERROR, "P2P: Input channel not supported: %u", | |
9522 | freq); | |
9523 | return -1; | |
9524 | } | |
9525 | ||
9526 | /* Get device type */ | |
9527 | dev_types_len = (wpa_s->conf->num_sec_device_types + 1) * | |
9528 | WPS_DEV_TYPE_LEN; | |
9529 | device_types = os_malloc(dev_types_len); | |
9530 | if (!device_types) | |
9531 | return -1; | |
9532 | os_memcpy(device_types, wpa_s->conf->device_type, WPS_DEV_TYPE_LEN); | |
9533 | os_memcpy(&device_types[WPS_DEV_TYPE_LEN], wpa_s->conf->sec_device_type, | |
9534 | wpa_s->conf->num_sec_device_types * WPS_DEV_TYPE_LEN); | |
9535 | ||
9536 | /* Get Probe Response IE(s) */ | |
9537 | buf = p2p_build_probe_resp_template(p2p, freq); | |
9538 | if (!buf) { | |
9539 | os_free(device_types); | |
9540 | return -1; | |
9541 | } | |
9542 | ||
9543 | ret = wpa_drv_p2p_lo_start(wpa_s, freq, period, interval, count, | |
9544 | device_types, dev_types_len, | |
9545 | wpabuf_mhead_u8(buf), wpabuf_len(buf)); | |
9546 | if (ret < 0) | |
9547 | wpa_dbg(wpa_s, MSG_DEBUG, | |
9548 | "P2P: Failed to start P2P listen offload"); | |
9549 | ||
9550 | os_free(device_types); | |
9551 | wpabuf_free(buf); | |
9552 | ||
9553 | if (ret == 0) { | |
9554 | wpa_s->p2p_lo_started = 1; | |
9555 | ||
9556 | /* Stop current P2P listen if any */ | |
9557 | wpas_stop_listen(wpa_s); | |
9558 | } | |
9559 | ||
9560 | return ret; | |
9561 | } | |
9562 | ||
9563 | ||
9564 | int wpas_p2p_lo_stop(struct wpa_supplicant *wpa_s) | |
9565 | { | |
9566 | int ret; | |
9567 | ||
9568 | if (!wpa_s->p2p_lo_started) | |
9569 | return 0; | |
9570 | ||
9571 | ret = wpa_drv_p2p_lo_stop(wpa_s); | |
9572 | if (ret < 0) | |
9573 | wpa_dbg(wpa_s, MSG_DEBUG, | |
9574 | "P2P: Failed to stop P2P listen offload"); | |
9575 | ||
9576 | wpa_s->p2p_lo_started = 0; | |
9577 | return ret; | |
9578 | } |