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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" |
20a0b03d JM |
25 | #include "eapol_supp/eapol_supp_sm.h" |
26 | #include "rsn_supp/wpa.h" | |
b22128ef JM |
27 | #include "wpa_supplicant_i.h" |
28 | #include "driver_i.h" | |
29 | #include "ap.h" | |
30 | #include "config_ssid.h" | |
31 | #include "config.h" | |
b22128ef JM |
32 | #include "notify.h" |
33 | #include "scan.h" | |
34 | #include "bss.h" | |
24f6497c | 35 | #include "offchannel.h" |
b22128ef JM |
36 | #include "wps_supplicant.h" |
37 | #include "p2p_supplicant.h" | |
b125c48f | 38 | #include "wifi_display.h" |
b22128ef JM |
39 | |
40 | ||
9b1ab931 JM |
41 | /* |
42 | * How many times to try to scan to find the GO before giving up on join | |
43 | * request. | |
44 | */ | |
45 | #define P2P_MAX_JOIN_SCAN_ATTEMPTS 10 | |
46 | ||
84286a22 SDU |
47 | #define P2P_AUTO_PD_SCAN_ATTEMPTS 5 |
48 | ||
c8106615 JM |
49 | #ifndef P2P_MAX_CLIENT_IDLE |
50 | /* | |
51 | * How many seconds to try to reconnect to the GO when connection in P2P client | |
52 | * role has been lost. | |
53 | */ | |
54 | #define P2P_MAX_CLIENT_IDLE 10 | |
55 | #endif /* P2P_MAX_CLIENT_IDLE */ | |
56 | ||
361cdf34 JM |
57 | #ifndef P2P_MAX_INITIAL_CONN_WAIT |
58 | /* | |
59 | * How many seconds to wait for initial 4-way handshake to get completed after | |
60 | * WPS provisioning step. | |
61 | */ | |
62 | #define P2P_MAX_INITIAL_CONN_WAIT 10 | |
63 | #endif /* P2P_MAX_INITIAL_CONN_WAIT */ | |
64 | ||
c1c0b35f JM |
65 | #ifndef P2P_MAX_INITIAL_CONN_WAIT_GO |
66 | /* | |
67 | * How many seconds to wait for initial 4-way handshake to get completed after | |
68 | * WPS provisioning step on the GO. This controls the extra time the P2P | |
69 | * operation is considered to be in progress (e.g., to delay other scans) after | |
70 | * WPS provisioning has been completed on the GO during group formation. | |
71 | */ | |
72 | #define P2P_MAX_INITIAL_CONN_WAIT_GO 10 | |
73 | #endif /* P2P_MAX_INITIAL_CONN_WAIT_GO */ | |
74 | ||
bbc6c729 JM |
75 | #ifndef P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE |
76 | /* | |
77 | * How many seconds to wait for initial 4-way handshake to get completed after | |
78 | * re-invocation of a persistent group on the GO when the client is expected | |
79 | * to connect automatically (no user interaction). | |
80 | */ | |
81 | #define P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE 15 | |
82 | #endif /* P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE */ | |
83 | ||
05a77b3b JM |
84 | #ifndef P2P_CONCURRENT_SEARCH_DELAY |
85 | #define P2P_CONCURRENT_SEARCH_DELAY 500 | |
86 | #endif /* P2P_CONCURRENT_SEARCH_DELAY */ | |
87 | ||
2e5ba4b6 AS |
88 | #define P2P_MGMT_DEVICE_PREFIX "p2p-dev-" |
89 | ||
8dba4aef JM |
90 | enum p2p_group_removal_reason { |
91 | P2P_GROUP_REMOVAL_UNKNOWN, | |
92 | P2P_GROUP_REMOVAL_SILENT, | |
93 | P2P_GROUP_REMOVAL_FORMATION_FAILED, | |
94 | P2P_GROUP_REMOVAL_REQUESTED, | |
95 | P2P_GROUP_REMOVAL_IDLE_TIMEOUT, | |
96 | P2P_GROUP_REMOVAL_UNAVAILABLE, | |
5bf9a6c8 | 97 | P2P_GROUP_REMOVAL_GO_ENDING_SESSION, |
8567866d JJ |
98 | P2P_GROUP_REMOVAL_PSK_FAILURE, |
99 | P2P_GROUP_REMOVAL_FREQ_CONFLICT | |
8dba4aef JM |
100 | }; |
101 | ||
9b1ab931 | 102 | |
b22128ef JM |
103 | static void wpas_p2p_long_listen_timeout(void *eloop_ctx, void *timeout_ctx); |
104 | static struct wpa_supplicant * | |
105 | wpas_p2p_get_group_iface(struct wpa_supplicant *wpa_s, int addr_allocated, | |
106 | int go); | |
23318bea JM |
107 | static int wpas_p2p_join_start(struct wpa_supplicant *wpa_s, int freq, |
108 | const u8 *ssid, size_t ssid_len); | |
c48414af JM |
109 | static void wpas_p2p_join_scan_req(struct wpa_supplicant *wpa_s, int freq, |
110 | const u8 *ssid, size_t ssid_len); | |
ef922c4a | 111 | static void wpas_p2p_join_scan(void *eloop_ctx, void *timeout_ctx); |
108def93 | 112 | static int wpas_p2p_join(struct wpa_supplicant *wpa_s, const u8 *iface_addr, |
b31be3a0 | 113 | const u8 *dev_addr, enum p2p_wps_method wps_method, |
23318bea JM |
114 | int auto_join, int freq, |
115 | const u8 *ssid, size_t ssid_len); | |
b22128ef | 116 | static int wpas_p2p_create_iface(struct wpa_supplicant *wpa_s); |
72044390 | 117 | static void wpas_p2p_cross_connect_setup(struct wpa_supplicant *wpa_s); |
3071e181 JM |
118 | static void wpas_p2p_group_idle_timeout(void *eloop_ctx, void *timeout_ctx); |
119 | static void wpas_p2p_set_group_idle_timeout(struct wpa_supplicant *wpa_s); | |
77dfafd0 JM |
120 | static void wpas_p2p_group_formation_timeout(void *eloop_ctx, |
121 | void *timeout_ctx); | |
8567866d | 122 | static void wpas_p2p_group_freq_conflict(void *eloop_ctx, void *timeout_ctx); |
aa9bb764 JM |
123 | static void wpas_p2p_fallback_to_go_neg(struct wpa_supplicant *wpa_s, |
124 | int group_added); | |
8713a2e6 | 125 | static int wpas_p2p_stop_find_oper(struct wpa_supplicant *wpa_s); |
b3253ebb | 126 | static void wpas_stop_listen(void *ctx); |
b22128ef JM |
127 | |
128 | ||
0d08efa4 IP |
129 | /* |
130 | * Get the number of concurrent channels that the HW can operate, but that are | |
131 | * currently not in use by any of the wpa_supplicant interfaces. | |
132 | */ | |
133 | static int wpas_p2p_num_unused_channels(struct wpa_supplicant *wpa_s) | |
134 | { | |
135 | int *freqs; | |
217cf499 | 136 | int num, unused; |
0d08efa4 IP |
137 | |
138 | freqs = os_calloc(wpa_s->num_multichan_concurrent, sizeof(int)); | |
139 | if (!freqs) | |
140 | return -1; | |
141 | ||
142 | num = get_shared_radio_freqs(wpa_s, freqs, | |
143 | wpa_s->num_multichan_concurrent); | |
144 | os_free(freqs); | |
145 | ||
217cf499 JM |
146 | unused = wpa_s->num_multichan_concurrent - num; |
147 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: num_unused_channels: %d", unused); | |
148 | return unused; | |
0d08efa4 IP |
149 | } |
150 | ||
151 | ||
152 | /* | |
153 | * Get the frequencies that are currently in use by one or more of the virtual | |
154 | * interfaces, and that are also valid for P2P operation. | |
155 | */ | |
156 | static int wpas_p2p_valid_oper_freqs(struct wpa_supplicant *wpa_s, | |
157 | int *p2p_freqs, unsigned int len) | |
158 | { | |
159 | int *freqs; | |
160 | unsigned int num, i, j; | |
161 | ||
162 | freqs = os_calloc(wpa_s->num_multichan_concurrent, sizeof(int)); | |
163 | if (!freqs) | |
164 | return -1; | |
165 | ||
166 | num = get_shared_radio_freqs(wpa_s, freqs, | |
167 | wpa_s->num_multichan_concurrent); | |
168 | ||
169 | os_memset(p2p_freqs, 0, sizeof(int) * len); | |
170 | ||
171 | for (i = 0, j = 0; i < num && j < len; i++) { | |
172 | if (p2p_supported_freq(wpa_s->global->p2p, freqs[i])) | |
173 | p2p_freqs[j++] = freqs[i]; | |
174 | } | |
175 | ||
176 | os_free(freqs); | |
177 | ||
217cf499 JM |
178 | dump_freq_array(wpa_s, "valid for P2P", p2p_freqs, j); |
179 | ||
0d08efa4 IP |
180 | return j; |
181 | } | |
182 | ||
183 | ||
6cb27aa8 JM |
184 | static void wpas_p2p_set_own_freq_preference(struct wpa_supplicant *wpa_s, |
185 | int freq) | |
186 | { | |
187 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) | |
188 | return; | |
5624ccfe JM |
189 | if (wpa_s->parent->conf->p2p_ignore_shared_freq && |
190 | freq > 0 && wpa_s->num_multichan_concurrent > 1 && | |
191 | wpas_p2p_num_unused_channels(wpa_s) > 0) { | |
21e491f2 JM |
192 | wpa_printf(MSG_DEBUG, "P2P: Ignore own channel preference %d MHz due to p2p_ignore_shared_freq=1 configuration", |
193 | freq); | |
b277a2be | 194 | freq = 0; |
21e491f2 | 195 | } |
6cb27aa8 JM |
196 | p2p_set_own_freq_preference(wpa_s->global->p2p, freq); |
197 | } | |
198 | ||
199 | ||
b22128ef JM |
200 | static void wpas_p2p_scan_res_handler(struct wpa_supplicant *wpa_s, |
201 | struct wpa_scan_results *scan_res) | |
202 | { | |
203 | size_t i; | |
204 | ||
1b5d4714 JM |
205 | if (wpa_s->p2p_scan_work) { |
206 | struct wpa_radio_work *work = wpa_s->p2p_scan_work; | |
207 | wpa_s->p2p_scan_work = NULL; | |
208 | radio_work_done(work); | |
209 | } | |
210 | ||
9526fd29 | 211 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
b22128ef JM |
212 | return; |
213 | ||
214 | wpa_printf(MSG_DEBUG, "P2P: Scan results received (%d BSS)", | |
215 | (int) scan_res->num); | |
216 | ||
217 | for (i = 0; i < scan_res->num; i++) { | |
218 | struct wpa_scan_res *bss = scan_res->res[i]; | |
acb69cec | 219 | struct os_reltime time_tmp_age, entry_ts; |
aaeb9c98 JM |
220 | const u8 *ies; |
221 | size_t ies_len; | |
222 | ||
c5f10e80 JM |
223 | time_tmp_age.sec = bss->age / 1000; |
224 | time_tmp_age.usec = (bss->age % 1000) * 1000; | |
acb69cec | 225 | os_reltime_sub(&scan_res->fetch_time, &time_tmp_age, &entry_ts); |
aaeb9c98 JM |
226 | |
227 | ies = (const u8 *) (bss + 1); | |
228 | ies_len = bss->ie_len; | |
229 | if (bss->beacon_ie_len > 0 && | |
230 | !wpa_scan_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) && | |
231 | wpa_scan_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) { | |
232 | wpa_printf(MSG_DEBUG, "P2P: Use P2P IE(s) from Beacon frame since no P2P IE(s) in Probe Response frames received for " | |
233 | MACSTR, MAC2STR(bss->bssid)); | |
234 | ies = ies + ies_len; | |
235 | ies_len = bss->beacon_ie_len; | |
236 | } | |
237 | ||
238 | ||
b22128ef | 239 | if (p2p_scan_res_handler(wpa_s->global->p2p, bss->bssid, |
c5f10e80 | 240 | bss->freq, &entry_ts, bss->level, |
aaeb9c98 | 241 | ies, ies_len) > 0) |
9bcf9541 | 242 | break; |
b22128ef JM |
243 | } |
244 | ||
245 | p2p_scan_res_handled(wpa_s->global->p2p); | |
246 | } | |
247 | ||
248 | ||
1b5d4714 JM |
249 | static void wpas_p2p_trigger_scan_cb(struct wpa_radio_work *work, int deinit) |
250 | { | |
251 | struct wpa_supplicant *wpa_s = work->wpa_s; | |
252 | struct wpa_driver_scan_params *params = work->ctx; | |
253 | int ret; | |
254 | ||
255 | if (deinit) { | |
b3253ebb AO |
256 | if (!work->started) { |
257 | wpa_scan_free_params(params); | |
258 | return; | |
259 | } | |
260 | ||
261 | wpa_s->p2p_scan_work = NULL; | |
1b5d4714 JM |
262 | return; |
263 | } | |
264 | ||
265 | ret = wpa_drv_scan(wpa_s, params); | |
266 | wpa_scan_free_params(params); | |
267 | work->ctx = NULL; | |
268 | if (ret) { | |
269 | radio_work_done(work); | |
270 | return; | |
271 | } | |
272 | ||
273 | os_get_reltime(&wpa_s->scan_trigger_time); | |
274 | wpa_s->scan_res_handler = wpas_p2p_scan_res_handler; | |
275 | wpa_s->own_scan_requested = 1; | |
276 | wpa_s->p2p_scan_work = work; | |
277 | } | |
278 | ||
279 | ||
046ef4aa JMB |
280 | static int wpas_p2p_scan(void *ctx, enum p2p_scan_type type, int freq, |
281 | unsigned int num_req_dev_types, | |
360182ed | 282 | const u8 *req_dev_types, const u8 *dev_id, u16 pw_id) |
b22128ef JM |
283 | { |
284 | struct wpa_supplicant *wpa_s = ctx; | |
1b5d4714 | 285 | struct wpa_driver_scan_params *params = NULL; |
b22128ef | 286 | struct wpabuf *wps_ie, *ies; |
206e1f42 | 287 | size_t ielen; |
1b5d4714 | 288 | u8 *n; |
b22128ef | 289 | |
9526fd29 JM |
290 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
291 | return -1; | |
292 | ||
1b5d4714 JM |
293 | if (wpa_s->p2p_scan_work) { |
294 | wpa_dbg(wpa_s, MSG_INFO, "P2P: Reject scan trigger since one is already pending"); | |
295 | return -1; | |
99fcd404 JM |
296 | } |
297 | ||
1b5d4714 JM |
298 | params = os_zalloc(sizeof(*params)); |
299 | if (params == NULL) | |
300 | return -1; | |
b22128ef JM |
301 | |
302 | /* P2P Wildcard SSID */ | |
1b5d4714 JM |
303 | params->num_ssids = 1; |
304 | n = os_malloc(P2P_WILDCARD_SSID_LEN); | |
305 | if (n == NULL) | |
306 | goto fail; | |
307 | os_memcpy(n, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN); | |
308 | params->ssids[0].ssid = n; | |
309 | params->ssids[0].ssid_len = P2P_WILDCARD_SSID_LEN; | |
b22128ef JM |
310 | |
311 | wpa_s->wps->dev.p2p = 1; | |
360182ed JM |
312 | wps_ie = wps_build_probe_req_ie(pw_id, &wpa_s->wps->dev, |
313 | wpa_s->wps->uuid, WPS_REQ_ENROLLEE, | |
046ef4aa | 314 | num_req_dev_types, req_dev_types); |
b22128ef | 315 | if (wps_ie == NULL) |
1b5d4714 | 316 | goto fail; |
b22128ef | 317 | |
206e1f42 JM |
318 | ielen = p2p_scan_ie_buf_len(wpa_s->global->p2p); |
319 | ies = wpabuf_alloc(wpabuf_len(wps_ie) + ielen); | |
b22128ef JM |
320 | if (ies == NULL) { |
321 | wpabuf_free(wps_ie); | |
1b5d4714 | 322 | goto fail; |
b22128ef JM |
323 | } |
324 | wpabuf_put_buf(ies, wps_ie); | |
325 | wpabuf_free(wps_ie); | |
326 | ||
6d92fa6e | 327 | p2p_scan_ie(wpa_s->global->p2p, ies, dev_id); |
b22128ef | 328 | |
1b5d4714 JM |
329 | params->p2p_probe = 1; |
330 | n = os_malloc(wpabuf_len(ies)); | |
331 | if (n == NULL) { | |
332 | wpabuf_free(ies); | |
333 | goto fail; | |
334 | } | |
335 | os_memcpy(n, wpabuf_head(ies), wpabuf_len(ies)); | |
336 | params->extra_ies = n; | |
337 | params->extra_ies_len = wpabuf_len(ies); | |
338 | wpabuf_free(ies); | |
b22128ef JM |
339 | |
340 | switch (type) { | |
341 | case P2P_SCAN_SOCIAL: | |
1b5d4714 JM |
342 | params->freqs = os_malloc(4 * sizeof(int)); |
343 | if (params->freqs == NULL) | |
344 | goto fail; | |
345 | params->freqs[0] = 2412; | |
346 | params->freqs[1] = 2437; | |
347 | params->freqs[2] = 2462; | |
348 | params->freqs[3] = 0; | |
b22128ef JM |
349 | break; |
350 | case P2P_SCAN_FULL: | |
351 | break; | |
b22128ef | 352 | case P2P_SCAN_SOCIAL_PLUS_ONE: |
1b5d4714 JM |
353 | params->freqs = os_malloc(5 * sizeof(int)); |
354 | if (params->freqs == NULL) | |
355 | goto fail; | |
356 | params->freqs[0] = 2412; | |
357 | params->freqs[1] = 2437; | |
358 | params->freqs[2] = 2462; | |
359 | params->freqs[3] = freq; | |
360 | params->freqs[4] = 0; | |
b22128ef JM |
361 | break; |
362 | } | |
363 | ||
b3253ebb | 364 | radio_remove_works(wpa_s, "p2p-scan", 0); |
1b5d4714 JM |
365 | if (radio_add_work(wpa_s, 0, "p2p-scan", 0, wpas_p2p_trigger_scan_cb, |
366 | params) < 0) | |
367 | goto fail; | |
368 | return 0; | |
0c96fd6d | 369 | |
1b5d4714 JM |
370 | fail: |
371 | wpa_scan_free_params(params); | |
372 | return -1; | |
b22128ef JM |
373 | } |
374 | ||
375 | ||
b22128ef JM |
376 | static enum wpa_driver_if_type wpas_p2p_if_type(int p2p_group_interface) |
377 | { | |
378 | switch (p2p_group_interface) { | |
379 | case P2P_GROUP_INTERFACE_PENDING: | |
380 | return WPA_IF_P2P_GROUP; | |
381 | case P2P_GROUP_INTERFACE_GO: | |
382 | return WPA_IF_P2P_GO; | |
383 | case P2P_GROUP_INTERFACE_CLIENT: | |
384 | return WPA_IF_P2P_CLIENT; | |
385 | } | |
386 | ||
387 | return WPA_IF_P2P_GROUP; | |
388 | } | |
389 | ||
390 | ||
6c0da49f JM |
391 | static struct wpa_supplicant * wpas_get_p2p_group(struct wpa_supplicant *wpa_s, |
392 | const u8 *ssid, | |
393 | size_t ssid_len, int *go) | |
394 | { | |
395 | struct wpa_ssid *s; | |
396 | ||
397 | for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) { | |
398 | for (s = wpa_s->conf->ssid; s; s = s->next) { | |
399 | if (s->disabled != 0 || !s->p2p_group || | |
400 | s->ssid_len != ssid_len || | |
401 | os_memcmp(ssid, s->ssid, ssid_len) != 0) | |
402 | continue; | |
403 | if (s->mode == WPAS_MODE_P2P_GO && | |
404 | s != wpa_s->current_ssid) | |
405 | continue; | |
406 | if (go) | |
407 | *go = s->mode == WPAS_MODE_P2P_GO; | |
408 | return wpa_s; | |
409 | } | |
410 | } | |
411 | ||
412 | return NULL; | |
413 | } | |
414 | ||
415 | ||
8dba4aef JM |
416 | static int wpas_p2p_group_delete(struct wpa_supplicant *wpa_s, |
417 | enum p2p_group_removal_reason removal_reason) | |
b22128ef JM |
418 | { |
419 | struct wpa_ssid *ssid; | |
420 | char *gtype; | |
3071e181 JM |
421 | const char *reason; |
422 | ||
b22128ef JM |
423 | ssid = wpa_s->current_ssid; |
424 | if (ssid == NULL) { | |
425 | /* | |
426 | * The current SSID was not known, but there may still be a | |
0c802384 JM |
427 | * pending P2P group interface waiting for provisioning or a |
428 | * P2P group that is trying to reconnect. | |
b22128ef JM |
429 | */ |
430 | ssid = wpa_s->conf->ssid; | |
431 | while (ssid) { | |
6d22a377 | 432 | if (ssid->p2p_group && ssid->disabled != 2) |
b22128ef JM |
433 | break; |
434 | ssid = ssid->next; | |
435 | } | |
6f1ca696 JM |
436 | if (ssid == NULL && |
437 | wpa_s->p2p_group_interface == NOT_P2P_GROUP_INTERFACE) | |
438 | { | |
30ee7692 MN |
439 | wpa_printf(MSG_ERROR, "P2P: P2P group interface " |
440 | "not found"); | |
441 | return -1; | |
442 | } | |
b22128ef JM |
443 | } |
444 | if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_GO) | |
445 | gtype = "GO"; | |
446 | else if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_CLIENT || | |
447 | (ssid && ssid->mode == WPAS_MODE_INFRA)) { | |
448 | wpa_s->reassociate = 0; | |
449 | wpa_s->disconnected = 1; | |
450 | wpa_supplicant_deauthenticate(wpa_s, | |
451 | WLAN_REASON_DEAUTH_LEAVING); | |
452 | gtype = "client"; | |
453 | } else | |
454 | gtype = "GO"; | |
72044390 JM |
455 | if (wpa_s->cross_connect_in_use) { |
456 | wpa_s->cross_connect_in_use = 0; | |
92c4465b JM |
457 | wpa_msg_global(wpa_s->parent, MSG_INFO, |
458 | P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s", | |
459 | wpa_s->ifname, wpa_s->cross_connect_uplink); | |
72044390 | 460 | } |
8dba4aef | 461 | switch (removal_reason) { |
3071e181 JM |
462 | case P2P_GROUP_REMOVAL_REQUESTED: |
463 | reason = " reason=REQUESTED"; | |
464 | break; | |
8dba4aef JM |
465 | case P2P_GROUP_REMOVAL_FORMATION_FAILED: |
466 | reason = " reason=FORMATION_FAILED"; | |
467 | break; | |
3071e181 JM |
468 | case P2P_GROUP_REMOVAL_IDLE_TIMEOUT: |
469 | reason = " reason=IDLE"; | |
470 | break; | |
c973f386 JM |
471 | case P2P_GROUP_REMOVAL_UNAVAILABLE: |
472 | reason = " reason=UNAVAILABLE"; | |
473 | break; | |
3fc14102 JM |
474 | case P2P_GROUP_REMOVAL_GO_ENDING_SESSION: |
475 | reason = " reason=GO_ENDING_SESSION"; | |
476 | break; | |
5bf9a6c8 JM |
477 | case P2P_GROUP_REMOVAL_PSK_FAILURE: |
478 | reason = " reason=PSK_FAILURE"; | |
479 | break; | |
8567866d JJ |
480 | case P2P_GROUP_REMOVAL_FREQ_CONFLICT: |
481 | reason = " reason=FREQ_CONFLICT"; | |
482 | break; | |
3071e181 JM |
483 | default: |
484 | reason = ""; | |
485 | break; | |
486 | } | |
8dba4aef | 487 | if (removal_reason != P2P_GROUP_REMOVAL_SILENT) { |
92c4465b JM |
488 | wpa_msg_global(wpa_s->parent, MSG_INFO, |
489 | P2P_EVENT_GROUP_REMOVED "%s %s%s", | |
490 | wpa_s->ifname, gtype, reason); | |
aa9bb764 | 491 | } |
408af93e | 492 | |
8567866d JJ |
493 | if (eloop_cancel_timeout(wpas_p2p_group_freq_conflict, wpa_s, NULL) > 0) |
494 | wpa_printf(MSG_DEBUG, "P2P: Cancelled P2P group freq_conflict timeout"); | |
dddc7045 JM |
495 | if (eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL) > 0) |
496 | wpa_printf(MSG_DEBUG, "P2P: Cancelled P2P group idle timeout"); | |
77dfafd0 | 497 | if (eloop_cancel_timeout(wpas_p2p_group_formation_timeout, |
c9c77083 | 498 | wpa_s->parent, NULL) > 0) { |
77dfafd0 JM |
499 | wpa_printf(MSG_DEBUG, "P2P: Cancelled P2P group formation " |
500 | "timeout"); | |
c9c77083 VN |
501 | wpa_s->p2p_in_provisioning = 0; |
502 | } | |
a7a30b90 | 503 | |
adeb4f59 JM |
504 | /* |
505 | * Make sure wait for the first client does not remain active after the | |
506 | * group has been removed. | |
507 | */ | |
508 | wpa_s->global->p2p_go_wait_client.sec = 0; | |
509 | ||
8dba4aef | 510 | if (removal_reason != P2P_GROUP_REMOVAL_SILENT && ssid) |
408af93e JB |
511 | wpas_notify_p2p_group_removed(wpa_s, ssid, gtype); |
512 | ||
b22128ef JM |
513 | if (wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE) { |
514 | struct wpa_global *global; | |
515 | char *ifname; | |
516 | enum wpa_driver_if_type type; | |
517 | wpa_printf(MSG_DEBUG, "P2P: Remove group interface %s", | |
518 | wpa_s->ifname); | |
519 | global = wpa_s->global; | |
520 | ifname = os_strdup(wpa_s->ifname); | |
521 | type = wpas_p2p_if_type(wpa_s->p2p_group_interface); | |
df509539 | 522 | wpa_supplicant_remove_iface(wpa_s->global, wpa_s, 0); |
b22128ef JM |
523 | wpa_s = global->ifaces; |
524 | if (wpa_s && ifname) | |
525 | wpa_drv_if_remove(wpa_s, type, ifname); | |
526 | os_free(ifname); | |
0aadd568 | 527 | return 1; |
b22128ef JM |
528 | } |
529 | ||
acdd0fc8 DG |
530 | if (!wpa_s->p2p_go_group_formation_completed) { |
531 | wpa_s->global->p2p_group_formation = NULL; | |
532 | wpa_s->p2p_in_provisioning = 0; | |
533 | } | |
534 | ||
c092d83e JM |
535 | wpa_s->show_group_started = 0; |
536 | os_free(wpa_s->go_params); | |
537 | wpa_s->go_params = NULL; | |
538 | ||
c64e3a08 JM |
539 | wpa_s->waiting_presence_resp = 0; |
540 | ||
b22128ef JM |
541 | wpa_printf(MSG_DEBUG, "P2P: Remove temporary group network"); |
542 | if (ssid && (ssid->p2p_group || | |
543 | ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION || | |
544 | (ssid->key_mgmt & WPA_KEY_MGMT_WPS))) { | |
545 | int id = ssid->id; | |
20a0b03d JM |
546 | if (ssid == wpa_s->current_ssid) { |
547 | wpa_sm_set_config(wpa_s->wpa, NULL); | |
548 | eapol_sm_notify_config(wpa_s->eapol, NULL, NULL); | |
b22128ef | 549 | wpa_s->current_ssid = NULL; |
20a0b03d | 550 | } |
c2762e41 JS |
551 | /* |
552 | * Networks objects created during any P2P activities are not | |
553 | * exposed out as they might/will confuse certain non-P2P aware | |
554 | * applications since these network objects won't behave like | |
555 | * regular ones. | |
556 | * | |
557 | * Likewise, we don't send out network removed signals for such | |
558 | * network objects. | |
559 | */ | |
b22128ef JM |
560 | wpa_config_remove_network(wpa_s->conf, id); |
561 | wpa_supplicant_clear_status(wpa_s); | |
433cd2ce | 562 | wpa_supplicant_cancel_sched_scan(wpa_s); |
b22128ef JM |
563 | } else { |
564 | wpa_printf(MSG_DEBUG, "P2P: Temporary group network not " | |
565 | "found"); | |
566 | } | |
3c29244e EP |
567 | if (wpa_s->ap_iface) |
568 | wpa_supplicant_ap_deinit(wpa_s); | |
569 | else | |
570 | wpa_drv_deinit_p2p_cli(wpa_s); | |
30ee7692 MN |
571 | |
572 | return 0; | |
b22128ef JM |
573 | } |
574 | ||
575 | ||
576 | static int wpas_p2p_persistent_group(struct wpa_supplicant *wpa_s, | |
577 | u8 *go_dev_addr, | |
578 | const u8 *ssid, size_t ssid_len) | |
579 | { | |
580 | struct wpa_bss *bss; | |
581 | const u8 *bssid; | |
582 | struct wpabuf *p2p; | |
583 | u8 group_capab; | |
584 | const u8 *addr; | |
585 | ||
586 | if (wpa_s->go_params) | |
587 | bssid = wpa_s->go_params->peer_interface_addr; | |
588 | else | |
589 | bssid = wpa_s->bssid; | |
590 | ||
591 | bss = wpa_bss_get(wpa_s, bssid, ssid, ssid_len); | |
23318bea JM |
592 | if (bss == NULL && wpa_s->go_params && |
593 | !is_zero_ether_addr(wpa_s->go_params->peer_device_addr)) | |
594 | bss = wpa_bss_get_p2p_dev_addr( | |
595 | wpa_s, wpa_s->go_params->peer_device_addr); | |
b22128ef JM |
596 | if (bss == NULL) { |
597 | u8 iface_addr[ETH_ALEN]; | |
598 | if (p2p_get_interface_addr(wpa_s->global->p2p, bssid, | |
599 | iface_addr) == 0) | |
600 | bss = wpa_bss_get(wpa_s, iface_addr, ssid, ssid_len); | |
601 | } | |
602 | if (bss == NULL) { | |
603 | wpa_printf(MSG_DEBUG, "P2P: Could not figure out whether " | |
604 | "group is persistent - BSS " MACSTR " not found", | |
605 | MAC2STR(bssid)); | |
606 | return 0; | |
607 | } | |
608 | ||
609 | p2p = wpa_bss_get_vendor_ie_multi(bss, P2P_IE_VENDOR_TYPE); | |
5df7414b JM |
610 | if (p2p == NULL) |
611 | p2p = wpa_bss_get_vendor_ie_multi_beacon(bss, | |
612 | P2P_IE_VENDOR_TYPE); | |
b22128ef JM |
613 | if (p2p == NULL) { |
614 | wpa_printf(MSG_DEBUG, "P2P: Could not figure out whether " | |
615 | "group is persistent - BSS " MACSTR | |
616 | " did not include P2P IE", MAC2STR(bssid)); | |
617 | wpa_hexdump(MSG_DEBUG, "P2P: Probe Response IEs", | |
618 | (u8 *) (bss + 1), bss->ie_len); | |
619 | wpa_hexdump(MSG_DEBUG, "P2P: Beacon IEs", | |
620 | ((u8 *) bss + 1) + bss->ie_len, | |
621 | bss->beacon_ie_len); | |
622 | return 0; | |
623 | } | |
624 | ||
625 | group_capab = p2p_get_group_capab(p2p); | |
626 | addr = p2p_get_go_dev_addr(p2p); | |
627 | wpa_printf(MSG_DEBUG, "P2P: Checking whether group is persistent: " | |
628 | "group_capab=0x%x", group_capab); | |
629 | if (addr) { | |
630 | os_memcpy(go_dev_addr, addr, ETH_ALEN); | |
631 | wpa_printf(MSG_DEBUG, "P2P: GO Device Address " MACSTR, | |
632 | MAC2STR(addr)); | |
633 | } else | |
634 | os_memset(go_dev_addr, 0, ETH_ALEN); | |
635 | wpabuf_free(p2p); | |
636 | ||
637 | wpa_printf(MSG_DEBUG, "P2P: BSS " MACSTR " group_capab=0x%x " | |
638 | "go_dev_addr=" MACSTR, | |
639 | MAC2STR(bssid), group_capab, MAC2STR(go_dev_addr)); | |
640 | ||
641 | return group_capab & P2P_GROUP_CAPAB_PERSISTENT_GROUP; | |
642 | } | |
643 | ||
644 | ||
4b6baa2f JMB |
645 | static int wpas_p2p_store_persistent_group(struct wpa_supplicant *wpa_s, |
646 | struct wpa_ssid *ssid, | |
647 | const u8 *go_dev_addr) | |
b22128ef JM |
648 | { |
649 | struct wpa_ssid *s; | |
650 | int changed = 0; | |
651 | ||
652 | wpa_printf(MSG_DEBUG, "P2P: Storing credentials for a persistent " | |
653 | "group (GO Dev Addr " MACSTR ")", MAC2STR(go_dev_addr)); | |
654 | for (s = wpa_s->conf->ssid; s; s = s->next) { | |
655 | if (s->disabled == 2 && | |
656 | os_memcmp(go_dev_addr, s->bssid, ETH_ALEN) == 0 && | |
657 | s->ssid_len == ssid->ssid_len && | |
658 | os_memcmp(ssid->ssid, s->ssid, ssid->ssid_len) == 0) | |
659 | break; | |
660 | } | |
661 | ||
662 | if (s) { | |
663 | wpa_printf(MSG_DEBUG, "P2P: Update existing persistent group " | |
664 | "entry"); | |
665 | if (ssid->passphrase && !s->passphrase) | |
666 | changed = 1; | |
667 | else if (ssid->passphrase && s->passphrase && | |
668 | os_strcmp(ssid->passphrase, s->passphrase) != 0) | |
669 | changed = 1; | |
670 | } else { | |
671 | wpa_printf(MSG_DEBUG, "P2P: Create a new persistent group " | |
672 | "entry"); | |
673 | changed = 1; | |
674 | s = wpa_config_add_network(wpa_s->conf); | |
675 | if (s == NULL) | |
4b6baa2f | 676 | return -1; |
c2762e41 JS |
677 | |
678 | /* | |
679 | * Instead of network_added we emit persistent_group_added | |
680 | * notification. Also to keep the defense checks in | |
681 | * persistent_group obj registration method, we set the | |
682 | * relevant flags in s to designate it as a persistent group. | |
683 | */ | |
684 | s->p2p_group = 1; | |
685 | s->p2p_persistent_group = 1; | |
686 | wpas_notify_persistent_group_added(wpa_s, s); | |
b22128ef JM |
687 | wpa_config_set_network_defaults(s); |
688 | } | |
689 | ||
690 | s->p2p_group = 1; | |
691 | s->p2p_persistent_group = 1; | |
692 | s->disabled = 2; | |
693 | s->bssid_set = 1; | |
694 | os_memcpy(s->bssid, go_dev_addr, ETH_ALEN); | |
695 | s->mode = ssid->mode; | |
696 | s->auth_alg = WPA_AUTH_ALG_OPEN; | |
697 | s->key_mgmt = WPA_KEY_MGMT_PSK; | |
698 | s->proto = WPA_PROTO_RSN; | |
699 | s->pairwise_cipher = WPA_CIPHER_CCMP; | |
d1c8ac88 | 700 | s->export_keys = 1; |
b22128ef JM |
701 | if (ssid->passphrase) { |
702 | os_free(s->passphrase); | |
703 | s->passphrase = os_strdup(ssid->passphrase); | |
704 | } | |
705 | if (ssid->psk_set) { | |
706 | s->psk_set = 1; | |
707 | os_memcpy(s->psk, ssid->psk, 32); | |
708 | } | |
709 | if (s->passphrase && !s->psk_set) | |
710 | wpa_config_update_psk(s); | |
711 | if (s->ssid == NULL || s->ssid_len < ssid->ssid_len) { | |
712 | os_free(s->ssid); | |
713 | s->ssid = os_malloc(ssid->ssid_len); | |
714 | } | |
715 | if (s->ssid) { | |
716 | s->ssid_len = ssid->ssid_len; | |
717 | os_memcpy(s->ssid, ssid->ssid, s->ssid_len); | |
718 | } | |
01a57fe4 JM |
719 | if (ssid->mode == WPAS_MODE_P2P_GO && wpa_s->global->add_psk) { |
720 | dl_list_add(&s->psk_list, &wpa_s->global->add_psk->list); | |
721 | wpa_s->global->add_psk = NULL; | |
722 | changed = 1; | |
723 | } | |
b22128ef | 724 | |
b22128ef JM |
725 | if (changed && wpa_s->conf->update_config && |
726 | wpa_config_write(wpa_s->confname, wpa_s->conf)) { | |
727 | wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration"); | |
728 | } | |
4b6baa2f JMB |
729 | |
730 | return s->id; | |
b22128ef JM |
731 | } |
732 | ||
733 | ||
fbdcfd57 JM |
734 | static void wpas_p2p_add_persistent_group_client(struct wpa_supplicant *wpa_s, |
735 | const u8 *addr) | |
736 | { | |
737 | struct wpa_ssid *ssid, *s; | |
738 | u8 *n; | |
739 | size_t i; | |
22316795 | 740 | int found = 0; |
fbdcfd57 JM |
741 | |
742 | ssid = wpa_s->current_ssid; | |
743 | if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO || | |
744 | !ssid->p2p_persistent_group) | |
745 | return; | |
746 | ||
747 | for (s = wpa_s->parent->conf->ssid; s; s = s->next) { | |
748 | if (s->disabled != 2 || s->mode != WPAS_MODE_P2P_GO) | |
749 | continue; | |
750 | ||
751 | if (s->ssid_len == ssid->ssid_len && | |
752 | os_memcmp(s->ssid, ssid->ssid, s->ssid_len) == 0) | |
753 | break; | |
754 | } | |
755 | ||
756 | if (s == NULL) | |
757 | return; | |
758 | ||
759 | for (i = 0; s->p2p_client_list && i < s->num_p2p_clients; i++) { | |
760 | if (os_memcmp(s->p2p_client_list + i * ETH_ALEN, addr, | |
22316795 JM |
761 | ETH_ALEN) != 0) |
762 | continue; | |
763 | ||
764 | if (i == s->num_p2p_clients - 1) | |
765 | return; /* already the most recent entry */ | |
766 | ||
767 | /* move the entry to mark it most recent */ | |
768 | os_memmove(s->p2p_client_list + i * ETH_ALEN, | |
769 | s->p2p_client_list + (i + 1) * ETH_ALEN, | |
770 | (s->num_p2p_clients - i - 1) * ETH_ALEN); | |
771 | os_memcpy(s->p2p_client_list + | |
772 | (s->num_p2p_clients - 1) * ETH_ALEN, addr, ETH_ALEN); | |
773 | found = 1; | |
774 | break; | |
fbdcfd57 JM |
775 | } |
776 | ||
b4a5dfa9 | 777 | if (!found && s->num_p2p_clients < P2P_MAX_STORED_CLIENTS) { |
22316795 JM |
778 | n = os_realloc_array(s->p2p_client_list, |
779 | s->num_p2p_clients + 1, ETH_ALEN); | |
780 | if (n == NULL) | |
781 | return; | |
782 | os_memcpy(n + s->num_p2p_clients * ETH_ALEN, addr, ETH_ALEN); | |
783 | s->p2p_client_list = n; | |
784 | s->num_p2p_clients++; | |
b4a5dfa9 JM |
785 | } else if (!found) { |
786 | /* Not enough room for an additional entry - drop the oldest | |
787 | * entry */ | |
788 | os_memmove(s->p2p_client_list, | |
789 | s->p2p_client_list + ETH_ALEN, | |
790 | (s->num_p2p_clients - 1) * ETH_ALEN); | |
791 | os_memcpy(s->p2p_client_list + | |
792 | (s->num_p2p_clients - 1) * ETH_ALEN, | |
793 | addr, ETH_ALEN); | |
22316795 | 794 | } |
fbdcfd57 | 795 | |
fbdcfd57 JM |
796 | if (wpa_s->parent->conf->update_config && |
797 | wpa_config_write(wpa_s->parent->confname, wpa_s->parent->conf)) | |
798 | wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration"); | |
fbdcfd57 JM |
799 | } |
800 | ||
801 | ||
b22128ef JM |
802 | static void wpas_group_formation_completed(struct wpa_supplicant *wpa_s, |
803 | int success) | |
804 | { | |
805 | struct wpa_ssid *ssid; | |
806 | const char *ssid_txt; | |
807 | int client; | |
808 | int persistent; | |
809 | u8 go_dev_addr[ETH_ALEN]; | |
4b6baa2f | 810 | int network_id = -1; |
b22128ef JM |
811 | |
812 | /* | |
813 | * This callback is likely called for the main interface. Update wpa_s | |
814 | * to use the group interface if a new interface was created for the | |
815 | * group. | |
816 | */ | |
817 | if (wpa_s->global->p2p_group_formation) | |
818 | wpa_s = wpa_s->global->p2p_group_formation; | |
41f85323 JM |
819 | if (wpa_s->p2p_go_group_formation_completed) { |
820 | wpa_s->global->p2p_group_formation = NULL; | |
821 | wpa_s->p2p_in_provisioning = 0; | |
822 | } | |
b22128ef JM |
823 | |
824 | if (!success) { | |
92c4465b JM |
825 | wpa_msg_global(wpa_s->parent, MSG_INFO, |
826 | P2P_EVENT_GROUP_FORMATION_FAILURE); | |
8dba4aef JM |
827 | wpas_p2p_group_delete(wpa_s, |
828 | P2P_GROUP_REMOVAL_FORMATION_FAILED); | |
b22128ef JM |
829 | return; |
830 | } | |
831 | ||
92c4465b JM |
832 | wpa_msg_global(wpa_s->parent, MSG_INFO, |
833 | P2P_EVENT_GROUP_FORMATION_SUCCESS); | |
b22128ef JM |
834 | |
835 | ssid = wpa_s->current_ssid; | |
836 | if (ssid && ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) { | |
837 | ssid->mode = WPAS_MODE_P2P_GO; | |
838 | p2p_group_notif_formation_done(wpa_s->p2p_group); | |
839 | wpa_supplicant_ap_mac_addr_filter(wpa_s, NULL); | |
840 | } | |
841 | ||
842 | persistent = 0; | |
843 | if (ssid) { | |
844 | ssid_txt = wpa_ssid_txt(ssid->ssid, ssid->ssid_len); | |
845 | client = ssid->mode == WPAS_MODE_INFRA; | |
846 | if (ssid->mode == WPAS_MODE_P2P_GO) { | |
847 | persistent = ssid->p2p_persistent_group; | |
d7e70476 | 848 | os_memcpy(go_dev_addr, wpa_s->global->p2p_dev_addr, |
b22128ef JM |
849 | ETH_ALEN); |
850 | } else | |
851 | persistent = wpas_p2p_persistent_group(wpa_s, | |
852 | go_dev_addr, | |
853 | ssid->ssid, | |
854 | ssid->ssid_len); | |
855 | } else { | |
856 | ssid_txt = ""; | |
857 | client = wpa_s->p2p_group_interface == | |
858 | P2P_GROUP_INTERFACE_CLIENT; | |
62c0d27e | 859 | os_memset(go_dev_addr, 0, ETH_ALEN); |
b22128ef JM |
860 | } |
861 | ||
862 | wpa_s->show_group_started = 0; | |
863 | if (client) { | |
864 | /* | |
865 | * Indicate event only after successfully completed 4-way | |
866 | * handshake, i.e., when the interface is ready for data | |
867 | * packets. | |
868 | */ | |
869 | wpa_s->show_group_started = 1; | |
870 | } else if (ssid && ssid->passphrase == NULL && ssid->psk_set) { | |
871 | char psk[65]; | |
872 | wpa_snprintf_hex(psk, sizeof(psk), ssid->psk, 32); | |
92c4465b JM |
873 | wpa_msg_global(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED |
874 | "%s GO ssid=\"%s\" freq=%d psk=%s go_dev_addr=" | |
875 | MACSTR "%s", | |
876 | wpa_s->ifname, ssid_txt, ssid->frequency, psk, | |
877 | MAC2STR(go_dev_addr), | |
878 | persistent ? " [PERSISTENT]" : ""); | |
72044390 | 879 | wpas_p2p_cross_connect_setup(wpa_s); |
3071e181 | 880 | wpas_p2p_set_group_idle_timeout(wpa_s); |
b22128ef | 881 | } else { |
92c4465b JM |
882 | wpa_msg_global(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED |
883 | "%s GO ssid=\"%s\" freq=%d passphrase=\"%s\" " | |
884 | "go_dev_addr=" MACSTR "%s", | |
885 | wpa_s->ifname, ssid_txt, | |
886 | ssid ? ssid->frequency : 0, | |
887 | ssid && ssid->passphrase ? ssid->passphrase : "", | |
888 | MAC2STR(go_dev_addr), | |
889 | persistent ? " [PERSISTENT]" : ""); | |
72044390 | 890 | wpas_p2p_cross_connect_setup(wpa_s); |
3071e181 | 891 | wpas_p2p_set_group_idle_timeout(wpa_s); |
b22128ef JM |
892 | } |
893 | ||
894 | if (persistent) | |
4b6baa2f JMB |
895 | network_id = wpas_p2p_store_persistent_group(wpa_s->parent, |
896 | ssid, go_dev_addr); | |
01a57fe4 JM |
897 | else { |
898 | os_free(wpa_s->global->add_psk); | |
899 | wpa_s->global->add_psk = NULL; | |
900 | } | |
21fe9e75 | 901 | if (network_id < 0 && ssid) |
4b6baa2f | 902 | network_id = ssid->id; |
c1c0b35f | 903 | if (!client) { |
4b6baa2f | 904 | wpas_notify_p2p_group_started(wpa_s, ssid, network_id, 0); |
151ab808 | 905 | os_get_reltime(&wpa_s->global->p2p_go_wait_client); |
c1c0b35f | 906 | } |
b22128ef JM |
907 | } |
908 | ||
909 | ||
e05e1308 JM |
910 | struct send_action_work { |
911 | unsigned int freq; | |
912 | u8 dst[ETH_ALEN]; | |
913 | u8 src[ETH_ALEN]; | |
914 | u8 bssid[ETH_ALEN]; | |
915 | size_t len; | |
916 | unsigned int wait_time; | |
917 | u8 buf[0]; | |
918 | }; | |
919 | ||
920 | ||
921 | static void wpas_p2p_send_action_work_timeout(void *eloop_ctx, | |
922 | void *timeout_ctx) | |
923 | { | |
924 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
925 | ||
926 | if (!wpa_s->p2p_send_action_work) | |
927 | return; | |
928 | ||
929 | wpa_printf(MSG_DEBUG, "P2P: Send Action frame radio work timed out"); | |
930 | os_free(wpa_s->p2p_send_action_work->ctx); | |
931 | radio_work_done(wpa_s->p2p_send_action_work); | |
932 | wpa_s->p2p_send_action_work = NULL; | |
933 | } | |
934 | ||
935 | ||
24f6497c JM |
936 | static void wpas_p2p_send_action_tx_status(struct wpa_supplicant *wpa_s, |
937 | unsigned int freq, | |
938 | const u8 *dst, const u8 *src, | |
939 | const u8 *bssid, | |
940 | const u8 *data, size_t data_len, | |
941 | enum offchannel_send_action_result | |
942 | result) | |
534525ff | 943 | { |
24f6497c | 944 | enum p2p_send_action_result res = P2P_SEND_ACTION_SUCCESS; |
b22128ef | 945 | |
e05e1308 JM |
946 | if (wpa_s->p2p_send_action_work) { |
947 | struct send_action_work *awork; | |
948 | awork = wpa_s->p2p_send_action_work->ctx; | |
949 | if (awork->wait_time == 0) { | |
950 | os_free(awork); | |
951 | radio_work_done(wpa_s->p2p_send_action_work); | |
952 | wpa_s->p2p_send_action_work = NULL; | |
953 | } else { | |
954 | /* | |
955 | * In theory, this should not be needed, but number of | |
956 | * places in the P2P code is still using non-zero wait | |
957 | * time for the last Action frame in the sequence and | |
958 | * some of these do not call send_action_done(). | |
959 | */ | |
960 | eloop_cancel_timeout(wpas_p2p_send_action_work_timeout, | |
961 | wpa_s, NULL); | |
962 | eloop_register_timeout( | |
963 | 0, awork->wait_time * 1000, | |
964 | wpas_p2p_send_action_work_timeout, | |
965 | wpa_s, NULL); | |
966 | } | |
967 | } | |
968 | ||
9526fd29 | 969 | if (wpa_s->global->p2p == NULL || wpa_s->global->p2p_disabled) |
b22128ef JM |
970 | return; |
971 | ||
24f6497c JM |
972 | switch (result) { |
973 | case OFFCHANNEL_SEND_ACTION_SUCCESS: | |
974 | res = P2P_SEND_ACTION_SUCCESS; | |
975 | break; | |
976 | case OFFCHANNEL_SEND_ACTION_NO_ACK: | |
977 | res = P2P_SEND_ACTION_NO_ACK; | |
978 | break; | |
979 | case OFFCHANNEL_SEND_ACTION_FAILED: | |
980 | res = P2P_SEND_ACTION_FAILED; | |
981 | break; | |
b22128ef JM |
982 | } |
983 | ||
24f6497c | 984 | p2p_send_action_cb(wpa_s->global->p2p, freq, dst, src, bssid, res); |
b22128ef | 985 | |
f63b8542 JM |
986 | if (result != OFFCHANNEL_SEND_ACTION_SUCCESS && |
987 | wpa_s->pending_pd_before_join && | |
24f6497c | 988 | (os_memcmp(dst, wpa_s->pending_join_dev_addr, ETH_ALEN) == 0 || |
175171ac JM |
989 | os_memcmp(dst, wpa_s->pending_join_iface_addr, ETH_ALEN) == 0) && |
990 | wpa_s->p2p_fallback_to_go_neg) { | |
b22128ef | 991 | wpa_s->pending_pd_before_join = 0; |
175171ac JM |
992 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: No ACK for PD Req " |
993 | "during p2p_connect-auto"); | |
994 | wpas_p2p_fallback_to_go_neg(wpa_s, 0); | |
995 | return; | |
b22128ef JM |
996 | } |
997 | } | |
998 | ||
999 | ||
e05e1308 JM |
1000 | static void wpas_send_action_cb(struct wpa_radio_work *work, int deinit) |
1001 | { | |
1002 | struct wpa_supplicant *wpa_s = work->wpa_s; | |
1003 | struct send_action_work *awork = work->ctx; | |
1004 | ||
1005 | if (deinit) { | |
b3253ebb AO |
1006 | if (work->started) { |
1007 | eloop_cancel_timeout(wpas_p2p_send_action_work_timeout, | |
1008 | wpa_s, NULL); | |
1009 | wpa_s->p2p_send_action_work = NULL; | |
1010 | offchannel_send_action_done(wpa_s); | |
1011 | } | |
e05e1308 JM |
1012 | os_free(awork); |
1013 | return; | |
1014 | } | |
1015 | ||
1016 | if (offchannel_send_action(wpa_s, awork->freq, awork->dst, awork->src, | |
1017 | awork->bssid, awork->buf, awork->len, | |
1018 | awork->wait_time, | |
1019 | wpas_p2p_send_action_tx_status, 1) < 0) { | |
1020 | os_free(awork); | |
1021 | radio_work_done(work); | |
1022 | return; | |
1023 | } | |
1024 | wpa_s->p2p_send_action_work = work; | |
1025 | } | |
1026 | ||
1027 | ||
1028 | static int wpas_send_action_work(struct wpa_supplicant *wpa_s, | |
1029 | unsigned int freq, const u8 *dst, | |
1030 | const u8 *src, const u8 *bssid, const u8 *buf, | |
1031 | size_t len, unsigned int wait_time) | |
1032 | { | |
1033 | struct send_action_work *awork; | |
1034 | ||
1035 | if (wpa_s->p2p_send_action_work) { | |
1036 | wpa_printf(MSG_DEBUG, "P2P: Cannot schedule new p2p-send-action work since one is already pending"); | |
1037 | return -1; | |
1038 | } | |
1039 | ||
1040 | awork = os_zalloc(sizeof(*awork) + len); | |
1041 | if (awork == NULL) | |
1042 | return -1; | |
1043 | ||
1044 | awork->freq = freq; | |
1045 | os_memcpy(awork->dst, dst, ETH_ALEN); | |
1046 | os_memcpy(awork->src, src, ETH_ALEN); | |
1047 | os_memcpy(awork->bssid, bssid, ETH_ALEN); | |
1048 | awork->len = len; | |
1049 | awork->wait_time = wait_time; | |
1050 | os_memcpy(awork->buf, buf, len); | |
1051 | ||
1052 | if (radio_add_work(wpa_s, freq, "p2p-send-action", 0, | |
1053 | wpas_send_action_cb, awork) < 0) { | |
1054 | os_free(awork); | |
1055 | return -1; | |
1056 | } | |
1057 | ||
1058 | return 0; | |
1059 | } | |
1060 | ||
1061 | ||
b22128ef JM |
1062 | static int wpas_send_action(void *ctx, unsigned int freq, const u8 *dst, |
1063 | const u8 *src, const u8 *bssid, const u8 *buf, | |
1064 | size_t len, unsigned int wait_time) | |
1065 | { | |
1066 | struct wpa_supplicant *wpa_s = ctx; | |
e05e1308 JM |
1067 | int listen_freq = -1, send_freq = -1; |
1068 | ||
1069 | if (wpa_s->p2p_listen_work) | |
1070 | listen_freq = wpa_s->p2p_listen_work->freq; | |
1071 | if (wpa_s->p2p_send_action_work) | |
1072 | send_freq = wpa_s->p2p_send_action_work->freq; | |
1073 | if (listen_freq != (int) freq && send_freq != (int) freq) { | |
1074 | wpa_printf(MSG_DEBUG, "P2P: Schedule new radio work for Action frame TX (listen_freq=%d send_freq=%d)", | |
1075 | listen_freq, send_freq); | |
1076 | return wpas_send_action_work(wpa_s, freq, dst, src, bssid, buf, | |
1077 | len, wait_time); | |
1078 | } | |
1079 | ||
1080 | wpa_printf(MSG_DEBUG, "P2P: Use ongoing radio work for Action frame TX"); | |
24f6497c JM |
1081 | return offchannel_send_action(wpa_s, freq, dst, src, bssid, buf, len, |
1082 | wait_time, | |
b106173a | 1083 | wpas_p2p_send_action_tx_status, 1); |
b22128ef JM |
1084 | } |
1085 | ||
1086 | ||
1087 | static void wpas_send_action_done(void *ctx) | |
1088 | { | |
1089 | struct wpa_supplicant *wpa_s = ctx; | |
e05e1308 JM |
1090 | |
1091 | if (wpa_s->p2p_send_action_work) { | |
1092 | eloop_cancel_timeout(wpas_p2p_send_action_work_timeout, | |
1093 | wpa_s, NULL); | |
1094 | os_free(wpa_s->p2p_send_action_work->ctx); | |
1095 | radio_work_done(wpa_s->p2p_send_action_work); | |
1096 | wpa_s->p2p_send_action_work = NULL; | |
1097 | } | |
1098 | ||
24f6497c | 1099 | offchannel_send_action_done(wpa_s); |
b22128ef JM |
1100 | } |
1101 | ||
1102 | ||
1103 | static int wpas_copy_go_neg_results(struct wpa_supplicant *wpa_s, | |
1104 | struct p2p_go_neg_results *params) | |
1105 | { | |
1106 | if (wpa_s->go_params == NULL) { | |
1107 | wpa_s->go_params = os_malloc(sizeof(*params)); | |
1108 | if (wpa_s->go_params == NULL) | |
1109 | return -1; | |
1110 | } | |
1111 | os_memcpy(wpa_s->go_params, params, sizeof(*params)); | |
1112 | return 0; | |
1113 | } | |
1114 | ||
1115 | ||
1116 | static void wpas_start_wps_enrollee(struct wpa_supplicant *wpa_s, | |
1117 | struct p2p_go_neg_results *res) | |
1118 | { | |
23318bea | 1119 | wpa_printf(MSG_DEBUG, "P2P: Start WPS Enrollee for peer " MACSTR |
8e9f53c3 | 1120 | " dev_addr " MACSTR " wps_method %d", |
23318bea | 1121 | MAC2STR(res->peer_interface_addr), |
8e9f53c3 | 1122 | MAC2STR(res->peer_device_addr), res->wps_method); |
e9a7ae41 JM |
1123 | wpa_hexdump_ascii(MSG_DEBUG, "P2P: Start WPS Enrollee for SSID", |
1124 | res->ssid, res->ssid_len); | |
b22128ef JM |
1125 | wpa_supplicant_ap_deinit(wpa_s); |
1126 | wpas_copy_go_neg_results(wpa_s, res); | |
db6ae69e | 1127 | if (res->wps_method == WPS_PBC) { |
3b29972c | 1128 | wpas_wps_start_pbc(wpa_s, res->peer_interface_addr, 1); |
db6ae69e JM |
1129 | #ifdef CONFIG_WPS_NFC |
1130 | } else if (res->wps_method == WPS_NFC) { | |
23318bea JM |
1131 | wpas_wps_start_nfc(wpa_s, res->peer_device_addr, |
1132 | res->peer_interface_addr, | |
db6ae69e JM |
1133 | wpa_s->parent->p2p_oob_dev_pw, |
1134 | wpa_s->parent->p2p_oob_dev_pw_id, 1, | |
1135 | wpa_s->parent->p2p_oob_dev_pw_id == | |
1136 | DEV_PW_NFC_CONNECTION_HANDOVER ? | |
1137 | wpa_s->parent->p2p_peer_oob_pubkey_hash : | |
1138 | NULL, | |
91a65018 | 1139 | NULL, 0, 0); |
db6ae69e JM |
1140 | #endif /* CONFIG_WPS_NFC */ |
1141 | } else { | |
3c5126a4 JM |
1142 | u16 dev_pw_id = DEV_PW_DEFAULT; |
1143 | if (wpa_s->p2p_wps_method == WPS_PIN_KEYPAD) | |
1144 | dev_pw_id = DEV_PW_REGISTRAR_SPECIFIED; | |
b22128ef | 1145 | wpas_wps_start_pin(wpa_s, res->peer_interface_addr, |
3c5126a4 JM |
1146 | wpa_s->p2p_pin, 1, dev_pw_id); |
1147 | } | |
b22128ef JM |
1148 | } |
1149 | ||
1150 | ||
01a57fe4 JM |
1151 | static void wpas_p2p_add_psk_list(struct wpa_supplicant *wpa_s, |
1152 | struct wpa_ssid *ssid) | |
1153 | { | |
1154 | struct wpa_ssid *persistent; | |
1155 | struct psk_list_entry *psk; | |
1156 | struct hostapd_data *hapd; | |
1157 | ||
1158 | if (!wpa_s->ap_iface) | |
1159 | return; | |
1160 | ||
1161 | persistent = wpas_p2p_get_persistent(wpa_s->parent, NULL, ssid->ssid, | |
1162 | ssid->ssid_len); | |
1163 | if (persistent == NULL) | |
1164 | return; | |
1165 | ||
1166 | hapd = wpa_s->ap_iface->bss[0]; | |
1167 | ||
1168 | dl_list_for_each(psk, &persistent->psk_list, struct psk_list_entry, | |
1169 | list) { | |
1170 | struct hostapd_wpa_psk *hpsk; | |
1171 | ||
1172 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Add persistent group PSK entry for " | |
1173 | MACSTR " psk=%d", | |
1174 | MAC2STR(psk->addr), psk->p2p); | |
1175 | hpsk = os_zalloc(sizeof(*hpsk)); | |
1176 | if (hpsk == NULL) | |
1177 | break; | |
1178 | os_memcpy(hpsk->psk, psk->psk, PMK_LEN); | |
1179 | if (psk->p2p) | |
1180 | os_memcpy(hpsk->p2p_dev_addr, psk->addr, ETH_ALEN); | |
1181 | else | |
1182 | os_memcpy(hpsk->addr, psk->addr, ETH_ALEN); | |
1183 | hpsk->next = hapd->conf->ssid.wpa_psk; | |
1184 | hapd->conf->ssid.wpa_psk = hpsk; | |
1185 | } | |
1186 | } | |
1187 | ||
1188 | ||
b22128ef JM |
1189 | static void p2p_go_configured(void *ctx, void *data) |
1190 | { | |
1191 | struct wpa_supplicant *wpa_s = ctx; | |
1192 | struct p2p_go_neg_results *params = data; | |
1193 | struct wpa_ssid *ssid; | |
4b6baa2f | 1194 | int network_id = -1; |
b22128ef JM |
1195 | |
1196 | ssid = wpa_s->current_ssid; | |
1197 | if (ssid && ssid->mode == WPAS_MODE_P2P_GO) { | |
1198 | wpa_printf(MSG_DEBUG, "P2P: Group setup without provisioning"); | |
d1b024c9 JM |
1199 | if (wpa_s->global->p2p_group_formation == wpa_s) |
1200 | wpa_s->global->p2p_group_formation = NULL; | |
bb4d4deb | 1201 | if (os_strlen(params->passphrase) > 0) { |
92c4465b JM |
1202 | wpa_msg_global(wpa_s->parent, MSG_INFO, |
1203 | P2P_EVENT_GROUP_STARTED | |
1204 | "%s GO ssid=\"%s\" freq=%d " | |
1205 | "passphrase=\"%s\" go_dev_addr=" MACSTR | |
1206 | "%s", wpa_s->ifname, | |
1207 | wpa_ssid_txt(ssid->ssid, ssid->ssid_len), | |
1208 | ssid->frequency, params->passphrase, | |
1209 | MAC2STR(wpa_s->global->p2p_dev_addr), | |
1210 | params->persistent_group ? | |
1211 | " [PERSISTENT]" : ""); | |
bb4d4deb MH |
1212 | } else { |
1213 | char psk[65]; | |
1214 | wpa_snprintf_hex(psk, sizeof(psk), params->psk, | |
1215 | sizeof(params->psk)); | |
92c4465b JM |
1216 | wpa_msg_global(wpa_s->parent, MSG_INFO, |
1217 | P2P_EVENT_GROUP_STARTED | |
1218 | "%s GO ssid=\"%s\" freq=%d psk=%s " | |
1219 | "go_dev_addr=" MACSTR "%s", | |
1220 | wpa_s->ifname, | |
1221 | wpa_ssid_txt(ssid->ssid, ssid->ssid_len), | |
1222 | ssid->frequency, psk, | |
1223 | MAC2STR(wpa_s->global->p2p_dev_addr), | |
1224 | params->persistent_group ? | |
1225 | " [PERSISTENT]" : ""); | |
bb4d4deb | 1226 | } |
4b6baa2f | 1227 | |
151ab808 | 1228 | os_get_reltime(&wpa_s->global->p2p_go_wait_client); |
01a57fe4 | 1229 | if (params->persistent_group) { |
4b6baa2f | 1230 | network_id = wpas_p2p_store_persistent_group( |
b22128ef | 1231 | wpa_s->parent, ssid, |
d7e70476 | 1232 | wpa_s->global->p2p_dev_addr); |
01a57fe4 JM |
1233 | wpas_p2p_add_psk_list(wpa_s, ssid); |
1234 | } | |
4b6baa2f JMB |
1235 | if (network_id < 0) |
1236 | network_id = ssid->id; | |
1237 | wpas_notify_p2p_group_started(wpa_s, ssid, network_id, 0); | |
72044390 | 1238 | wpas_p2p_cross_connect_setup(wpa_s); |
3071e181 | 1239 | wpas_p2p_set_group_idle_timeout(wpa_s); |
bbc6c729 JM |
1240 | |
1241 | if (wpa_s->p2p_first_connection_timeout) { | |
1242 | wpa_dbg(wpa_s, MSG_DEBUG, | |
1243 | "P2P: Start group formation timeout of %d seconds until first data connection on GO", | |
1244 | wpa_s->p2p_first_connection_timeout); | |
1245 | wpa_s->p2p_go_group_formation_completed = 0; | |
1246 | wpa_s->global->p2p_group_formation = wpa_s; | |
1247 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, | |
1248 | wpa_s->parent, NULL); | |
1249 | eloop_register_timeout( | |
1250 | wpa_s->p2p_first_connection_timeout, 0, | |
1251 | wpas_p2p_group_formation_timeout, | |
1252 | wpa_s->parent, NULL); | |
1253 | } | |
1254 | ||
b22128ef JM |
1255 | return; |
1256 | } | |
1257 | ||
1258 | wpa_printf(MSG_DEBUG, "P2P: Setting up WPS for GO provisioning"); | |
1259 | if (wpa_supplicant_ap_mac_addr_filter(wpa_s, | |
1260 | params->peer_interface_addr)) { | |
1261 | wpa_printf(MSG_DEBUG, "P2P: Failed to setup MAC address " | |
1262 | "filtering"); | |
1263 | return; | |
1264 | } | |
db6ae69e | 1265 | if (params->wps_method == WPS_PBC) { |
d601247c | 1266 | wpa_supplicant_ap_wps_pbc(wpa_s, params->peer_interface_addr, |
c3daaf33 | 1267 | params->peer_device_addr); |
db6ae69e JM |
1268 | #ifdef CONFIG_WPS_NFC |
1269 | } else if (params->wps_method == WPS_NFC) { | |
1270 | if (wpa_s->parent->p2p_oob_dev_pw_id != | |
1271 | DEV_PW_NFC_CONNECTION_HANDOVER && | |
1272 | !wpa_s->parent->p2p_oob_dev_pw) { | |
1273 | wpa_printf(MSG_DEBUG, "P2P: No NFC Dev Pw known"); | |
1274 | return; | |
1275 | } | |
1276 | wpas_ap_wps_add_nfc_pw( | |
1277 | wpa_s, wpa_s->parent->p2p_oob_dev_pw_id, | |
1278 | wpa_s->parent->p2p_oob_dev_pw, | |
1279 | wpa_s->parent->p2p_peer_oob_pk_hash_known ? | |
1280 | wpa_s->parent->p2p_peer_oob_pubkey_hash : NULL); | |
1281 | #endif /* CONFIG_WPS_NFC */ | |
1282 | } else if (wpa_s->p2p_pin[0]) | |
b22128ef | 1283 | wpa_supplicant_ap_wps_pin(wpa_s, params->peer_interface_addr, |
c423708f | 1284 | wpa_s->p2p_pin, NULL, 0, 0); |
b22128ef JM |
1285 | os_free(wpa_s->go_params); |
1286 | wpa_s->go_params = NULL; | |
1287 | } | |
1288 | ||
1289 | ||
1290 | static void wpas_start_wps_go(struct wpa_supplicant *wpa_s, | |
1291 | struct p2p_go_neg_results *params, | |
1292 | int group_formation) | |
1293 | { | |
1294 | struct wpa_ssid *ssid; | |
1295 | ||
ac06fb12 JM |
1296 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Starting GO"); |
1297 | if (wpas_copy_go_neg_results(wpa_s, params) < 0) { | |
1298 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Could not copy GO Negotiation " | |
1299 | "results"); | |
b22128ef | 1300 | return; |
ac06fb12 | 1301 | } |
b22128ef JM |
1302 | |
1303 | ssid = wpa_config_add_network(wpa_s->conf); | |
ac06fb12 JM |
1304 | if (ssid == NULL) { |
1305 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Could not add network for GO"); | |
b22128ef | 1306 | return; |
ac06fb12 | 1307 | } |
b22128ef | 1308 | |
a9e02d59 JM |
1309 | wpa_s->show_group_started = 0; |
1310 | ||
b22128ef JM |
1311 | wpa_config_set_network_defaults(ssid); |
1312 | ssid->temporary = 1; | |
1313 | ssid->p2p_group = 1; | |
1314 | ssid->p2p_persistent_group = params->persistent_group; | |
1315 | ssid->mode = group_formation ? WPAS_MODE_P2P_GROUP_FORMATION : | |
1316 | WPAS_MODE_P2P_GO; | |
1317 | ssid->frequency = params->freq; | |
7aeac985 | 1318 | ssid->ht40 = params->ht40; |
20ea1ca4 | 1319 | ssid->vht = params->vht; |
b22128ef JM |
1320 | ssid->ssid = os_zalloc(params->ssid_len + 1); |
1321 | if (ssid->ssid) { | |
1322 | os_memcpy(ssid->ssid, params->ssid, params->ssid_len); | |
1323 | ssid->ssid_len = params->ssid_len; | |
1324 | } | |
1325 | ssid->auth_alg = WPA_AUTH_ALG_OPEN; | |
1326 | ssid->key_mgmt = WPA_KEY_MGMT_PSK; | |
1327 | ssid->proto = WPA_PROTO_RSN; | |
1328 | ssid->pairwise_cipher = WPA_CIPHER_CCMP; | |
bb4d4deb MH |
1329 | if (os_strlen(params->passphrase) > 0) { |
1330 | ssid->passphrase = os_strdup(params->passphrase); | |
1331 | if (ssid->passphrase == NULL) { | |
92c4465b JM |
1332 | wpa_msg_global(wpa_s, MSG_ERROR, |
1333 | "P2P: Failed to copy passphrase for GO"); | |
bb4d4deb MH |
1334 | wpa_config_remove_network(wpa_s->conf, ssid->id); |
1335 | return; | |
1336 | } | |
1337 | } else | |
1338 | ssid->passphrase = NULL; | |
30c371e8 MH |
1339 | ssid->psk_set = params->psk_set; |
1340 | if (ssid->psk_set) | |
1341 | os_memcpy(ssid->psk, params->psk, sizeof(ssid->psk)); | |
6350a148 | 1342 | else if (ssid->passphrase) |
30c371e8 | 1343 | wpa_config_update_psk(ssid); |
462a7439 | 1344 | ssid->ap_max_inactivity = wpa_s->parent->conf->p2p_go_max_inactivity; |
b22128ef JM |
1345 | |
1346 | wpa_s->ap_configured_cb = p2p_go_configured; | |
1347 | wpa_s->ap_configured_cb_ctx = wpa_s; | |
1348 | wpa_s->ap_configured_cb_data = wpa_s->go_params; | |
7dcdcfd6 | 1349 | wpa_s->connect_without_scan = ssid; |
b22128ef JM |
1350 | wpa_s->reassociate = 1; |
1351 | wpa_s->disconnected = 0; | |
ac06fb12 JM |
1352 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Request scan (that will be skipped) to " |
1353 | "start GO)"); | |
b22128ef JM |
1354 | wpa_supplicant_req_scan(wpa_s, 0, 0); |
1355 | } | |
1356 | ||
1357 | ||
1358 | static void wpas_p2p_clone_config(struct wpa_supplicant *dst, | |
1359 | const struct wpa_supplicant *src) | |
1360 | { | |
1361 | struct wpa_config *d; | |
1362 | const struct wpa_config *s; | |
1363 | ||
1364 | d = dst->conf; | |
1365 | s = src->conf; | |
1366 | ||
1367 | #define C(n) if (s->n) d->n = os_strdup(s->n) | |
1368 | C(device_name); | |
1369 | C(manufacturer); | |
1370 | C(model_name); | |
1371 | C(model_number); | |
1372 | C(serial_number); | |
b22128ef JM |
1373 | C(config_methods); |
1374 | #undef C | |
3071e181 | 1375 | |
2f646b6e JB |
1376 | os_memcpy(d->device_type, s->device_type, WPS_DEV_TYPE_LEN); |
1377 | os_memcpy(d->sec_device_type, s->sec_device_type, | |
1378 | sizeof(d->sec_device_type)); | |
1379 | d->num_sec_device_types = s->num_sec_device_types; | |
1380 | ||
3071e181 | 1381 | d->p2p_group_idle = s->p2p_group_idle; |
b029bd33 | 1382 | d->p2p_intra_bss = s->p2p_intra_bss; |
acc247b2 | 1383 | d->persistent_reconnect = s->persistent_reconnect; |
f571b593 | 1384 | d->max_num_sta = s->max_num_sta; |
1298c145 | 1385 | d->pbc_in_m1 = s->pbc_in_m1; |
4342326f | 1386 | d->ignore_old_scan_res = s->ignore_old_scan_res; |
41b1a76a | 1387 | d->beacon_int = s->beacon_int; |
f62a3c2f | 1388 | d->dtim_period = s->dtim_period; |
5046eb4e | 1389 | d->disassoc_low_ack = s->disassoc_low_ack; |
f22f274b | 1390 | d->disable_scan_offload = s->disable_scan_offload; |
86e32081 JM |
1391 | |
1392 | if (s->wps_nfc_dh_privkey && s->wps_nfc_dh_pubkey) { | |
1393 | d->wps_nfc_dh_privkey = wpabuf_dup(s->wps_nfc_dh_privkey); | |
1394 | d->wps_nfc_dh_pubkey = wpabuf_dup(s->wps_nfc_dh_pubkey); | |
1395 | } | |
b22128ef JM |
1396 | } |
1397 | ||
1398 | ||
2e5ba4b6 AS |
1399 | static void wpas_p2p_get_group_ifname(struct wpa_supplicant *wpa_s, |
1400 | char *ifname, size_t len) | |
1401 | { | |
1402 | char *ifname_ptr = wpa_s->ifname; | |
1403 | ||
1404 | if (os_strncmp(wpa_s->ifname, P2P_MGMT_DEVICE_PREFIX, | |
1405 | os_strlen(P2P_MGMT_DEVICE_PREFIX)) == 0) { | |
1406 | ifname_ptr = os_strrchr(wpa_s->ifname, '-') + 1; | |
1407 | } | |
1408 | ||
1409 | os_snprintf(ifname, len, "p2p-%s-%d", ifname_ptr, wpa_s->p2p_group_idx); | |
1410 | if (os_strlen(ifname) >= IFNAMSIZ && | |
1411 | os_strlen(wpa_s->ifname) < IFNAMSIZ) { | |
1412 | /* Try to avoid going over the IFNAMSIZ length limit */ | |
41c526f3 | 1413 | os_snprintf(ifname, len, "p2p-%d", wpa_s->p2p_group_idx); |
2e5ba4b6 AS |
1414 | } |
1415 | } | |
1416 | ||
1417 | ||
b22128ef JM |
1418 | static int wpas_p2p_add_group_interface(struct wpa_supplicant *wpa_s, |
1419 | enum wpa_driver_if_type type) | |
1420 | { | |
1421 | char ifname[120], force_ifname[120]; | |
1422 | ||
1423 | if (wpa_s->pending_interface_name[0]) { | |
1424 | wpa_printf(MSG_DEBUG, "P2P: Pending virtual interface exists " | |
1425 | "- skip creation of a new one"); | |
1426 | if (is_zero_ether_addr(wpa_s->pending_interface_addr)) { | |
1427 | wpa_printf(MSG_DEBUG, "P2P: Pending virtual address " | |
1428 | "unknown?! ifname='%s'", | |
1429 | wpa_s->pending_interface_name); | |
1430 | return -1; | |
1431 | } | |
1432 | return 0; | |
1433 | } | |
1434 | ||
2e5ba4b6 | 1435 | wpas_p2p_get_group_ifname(wpa_s, ifname, sizeof(ifname)); |
b22128ef JM |
1436 | force_ifname[0] = '\0'; |
1437 | ||
1438 | wpa_printf(MSG_DEBUG, "P2P: Create a new interface %s for the group", | |
1439 | ifname); | |
1440 | wpa_s->p2p_group_idx++; | |
1441 | ||
1442 | wpa_s->pending_interface_type = type; | |
1443 | if (wpa_drv_if_add(wpa_s, type, ifname, NULL, NULL, force_ifname, | |
e17a2477 | 1444 | wpa_s->pending_interface_addr, NULL) < 0) { |
b22128ef JM |
1445 | wpa_printf(MSG_ERROR, "P2P: Failed to create new group " |
1446 | "interface"); | |
1447 | return -1; | |
1448 | } | |
1449 | ||
1450 | if (force_ifname[0]) { | |
1451 | wpa_printf(MSG_DEBUG, "P2P: Driver forced interface name %s", | |
1452 | force_ifname); | |
1453 | os_strlcpy(wpa_s->pending_interface_name, force_ifname, | |
1454 | sizeof(wpa_s->pending_interface_name)); | |
1455 | } else | |
1456 | os_strlcpy(wpa_s->pending_interface_name, ifname, | |
1457 | sizeof(wpa_s->pending_interface_name)); | |
1458 | wpa_printf(MSG_DEBUG, "P2P: Created pending virtual interface %s addr " | |
1459 | MACSTR, wpa_s->pending_interface_name, | |
1460 | MAC2STR(wpa_s->pending_interface_addr)); | |
1461 | ||
1462 | return 0; | |
1463 | } | |
1464 | ||
1465 | ||
1466 | static void wpas_p2p_remove_pending_group_interface( | |
1467 | struct wpa_supplicant *wpa_s) | |
1468 | { | |
1469 | if (!wpa_s->pending_interface_name[0] || | |
1470 | is_zero_ether_addr(wpa_s->pending_interface_addr)) | |
1471 | return; /* No pending virtual interface */ | |
1472 | ||
1473 | wpa_printf(MSG_DEBUG, "P2P: Removing pending group interface %s", | |
1474 | wpa_s->pending_interface_name); | |
1475 | wpa_drv_if_remove(wpa_s, wpa_s->pending_interface_type, | |
1476 | wpa_s->pending_interface_name); | |
1477 | os_memset(wpa_s->pending_interface_addr, 0, ETH_ALEN); | |
1478 | wpa_s->pending_interface_name[0] = '\0'; | |
1479 | } | |
1480 | ||
1481 | ||
1482 | static struct wpa_supplicant * | |
1483 | wpas_p2p_init_group_interface(struct wpa_supplicant *wpa_s, int go) | |
1484 | { | |
1485 | struct wpa_interface iface; | |
1486 | struct wpa_supplicant *group_wpa_s; | |
1487 | ||
1488 | if (!wpa_s->pending_interface_name[0]) { | |
1489 | wpa_printf(MSG_ERROR, "P2P: No pending group interface"); | |
d75e8806 JM |
1490 | if (!wpas_p2p_create_iface(wpa_s)) |
1491 | return NULL; | |
1492 | /* | |
1493 | * Something has forced us to remove the pending interface; try | |
1494 | * to create a new one and hope for the best that we will get | |
1495 | * the same local address. | |
1496 | */ | |
1497 | if (wpas_p2p_add_group_interface(wpa_s, go ? WPA_IF_P2P_GO : | |
1498 | WPA_IF_P2P_CLIENT) < 0) | |
1499 | return NULL; | |
b22128ef JM |
1500 | } |
1501 | ||
1502 | os_memset(&iface, 0, sizeof(iface)); | |
1503 | iface.ifname = wpa_s->pending_interface_name; | |
1504 | iface.driver = wpa_s->driver->name; | |
78f79fe5 JM |
1505 | if (wpa_s->conf->ctrl_interface == NULL && |
1506 | wpa_s->parent != wpa_s && | |
1507 | wpa_s->p2p_mgmt && | |
1508 | (wpa_s->drv_flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)) | |
1509 | iface.ctrl_interface = wpa_s->parent->conf->ctrl_interface; | |
1510 | else | |
1511 | iface.ctrl_interface = wpa_s->conf->ctrl_interface; | |
b22128ef JM |
1512 | iface.driver_param = wpa_s->conf->driver_param; |
1513 | group_wpa_s = wpa_supplicant_add_iface(wpa_s->global, &iface); | |
1514 | if (group_wpa_s == NULL) { | |
1515 | wpa_printf(MSG_ERROR, "P2P: Failed to create new " | |
1516 | "wpa_supplicant interface"); | |
1517 | return NULL; | |
1518 | } | |
1519 | wpa_s->pending_interface_name[0] = '\0'; | |
1520 | group_wpa_s->parent = wpa_s; | |
1521 | group_wpa_s->p2p_group_interface = go ? P2P_GROUP_INTERFACE_GO : | |
1522 | P2P_GROUP_INTERFACE_CLIENT; | |
1523 | wpa_s->global->p2p_group_formation = group_wpa_s; | |
1524 | ||
1525 | wpas_p2p_clone_config(group_wpa_s, wpa_s); | |
1526 | ||
1527 | return group_wpa_s; | |
1528 | } | |
1529 | ||
1530 | ||
1531 | static void wpas_p2p_group_formation_timeout(void *eloop_ctx, | |
1532 | void *timeout_ctx) | |
1533 | { | |
1534 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
1535 | wpa_printf(MSG_DEBUG, "P2P: Group Formation timed out"); | |
1075b295 JM |
1536 | wpas_p2p_group_formation_failed(wpa_s); |
1537 | } | |
1538 | ||
1539 | ||
1540 | void wpas_p2p_group_formation_failed(struct wpa_supplicant *wpa_s) | |
1541 | { | |
1542 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, | |
1543 | wpa_s->parent, NULL); | |
b22128ef JM |
1544 | if (wpa_s->global->p2p) |
1545 | p2p_group_formation_failed(wpa_s->global->p2p); | |
1546 | wpas_group_formation_completed(wpa_s, 0); | |
1547 | } | |
1548 | ||
1549 | ||
95fb2db2 JM |
1550 | static void wpas_p2p_grpform_fail_after_wps(struct wpa_supplicant *wpa_s) |
1551 | { | |
1552 | wpa_printf(MSG_DEBUG, "P2P: Reject group formation due to WPS provisioning failure"); | |
1553 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, | |
1554 | wpa_s->parent, NULL); | |
1555 | eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout, | |
1556 | wpa_s->parent, NULL); | |
1557 | wpa_s->global->p2p_fail_on_wps_complete = 0; | |
1558 | } | |
1559 | ||
1560 | ||
b2b688d1 VKE |
1561 | void wpas_p2p_ap_setup_failed(struct wpa_supplicant *wpa_s) |
1562 | { | |
1563 | if (wpa_s->global->p2p_group_formation != wpa_s) | |
1564 | return; | |
1565 | /* Speed up group formation timeout since this cannot succeed */ | |
1566 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, | |
1567 | wpa_s->parent, NULL); | |
1568 | eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout, | |
1569 | wpa_s->parent, NULL); | |
1570 | } | |
1571 | ||
1572 | ||
152cff6b | 1573 | static void wpas_go_neg_completed(void *ctx, struct p2p_go_neg_results *res) |
b22128ef JM |
1574 | { |
1575 | struct wpa_supplicant *wpa_s = ctx; | |
1576 | ||
8eada5ca | 1577 | if (wpa_s->off_channel_freq || wpa_s->roc_waiting_drv_freq) { |
b22128ef JM |
1578 | wpa_drv_cancel_remain_on_channel(wpa_s); |
1579 | wpa_s->off_channel_freq = 0; | |
07a30a66 | 1580 | wpa_s->roc_waiting_drv_freq = 0; |
b22128ef JM |
1581 | } |
1582 | ||
1583 | if (res->status) { | |
92c4465b JM |
1584 | wpa_msg_global(wpa_s, MSG_INFO, |
1585 | P2P_EVENT_GO_NEG_FAILURE "status=%d", | |
1586 | res->status); | |
e5a359cf | 1587 | wpas_notify_p2p_go_neg_completed(wpa_s, res); |
b22128ef JM |
1588 | wpas_p2p_remove_pending_group_interface(wpa_s); |
1589 | return; | |
1590 | } | |
1591 | ||
e2308e4b RM |
1592 | if (wpa_s->p2p_go_ht40) |
1593 | res->ht40 = 1; | |
20ea1ca4 EP |
1594 | if (wpa_s->p2p_go_vht) |
1595 | res->vht = 1; | |
e2308e4b | 1596 | |
8d660e04 JM |
1597 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_GO_NEG_SUCCESS "role=%s " |
1598 | "freq=%d ht40=%d peer_dev=" MACSTR " peer_iface=" MACSTR | |
1599 | " wps_method=%s", | |
1600 | res->role_go ? "GO" : "client", res->freq, res->ht40, | |
1601 | MAC2STR(res->peer_device_addr), | |
1602 | MAC2STR(res->peer_interface_addr), | |
1603 | p2p_wps_method_text(res->wps_method)); | |
e5a359cf | 1604 | wpas_notify_p2p_go_neg_completed(wpa_s, res); |
b22128ef | 1605 | |
23c84252 JM |
1606 | if (res->role_go && wpa_s->p2p_persistent_id >= 0) { |
1607 | struct wpa_ssid *ssid; | |
1608 | ssid = wpa_config_get_network(wpa_s->conf, | |
1609 | wpa_s->p2p_persistent_id); | |
1610 | if (ssid && ssid->disabled == 2 && | |
1611 | ssid->mode == WPAS_MODE_P2P_GO && ssid->passphrase) { | |
1612 | size_t len = os_strlen(ssid->passphrase); | |
1613 | wpa_printf(MSG_DEBUG, "P2P: Override passphrase based " | |
1614 | "on requested persistent group"); | |
1615 | os_memcpy(res->passphrase, ssid->passphrase, len); | |
1616 | res->passphrase[len] = '\0'; | |
1617 | } | |
1618 | } | |
1619 | ||
b22128ef JM |
1620 | if (wpa_s->create_p2p_iface) { |
1621 | struct wpa_supplicant *group_wpa_s = | |
1622 | wpas_p2p_init_group_interface(wpa_s, res->role_go); | |
1623 | if (group_wpa_s == NULL) { | |
1624 | wpas_p2p_remove_pending_group_interface(wpa_s); | |
1625 | return; | |
1626 | } | |
3c5126a4 | 1627 | if (group_wpa_s != wpa_s) { |
b22128ef JM |
1628 | os_memcpy(group_wpa_s->p2p_pin, wpa_s->p2p_pin, |
1629 | sizeof(group_wpa_s->p2p_pin)); | |
3c5126a4 JM |
1630 | group_wpa_s->p2p_wps_method = wpa_s->p2p_wps_method; |
1631 | } | |
b22128ef JM |
1632 | os_memset(wpa_s->pending_interface_addr, 0, ETH_ALEN); |
1633 | wpa_s->pending_interface_name[0] = '\0'; | |
1634 | group_wpa_s->p2p_in_provisioning = 1; | |
1635 | ||
1636 | if (res->role_go) | |
1637 | wpas_start_wps_go(group_wpa_s, res, 1); | |
1638 | else | |
1639 | wpas_start_wps_enrollee(group_wpa_s, res); | |
1640 | } else { | |
1641 | wpa_s->p2p_in_provisioning = 1; | |
1642 | wpa_s->global->p2p_group_formation = wpa_s; | |
1643 | ||
1644 | if (res->role_go) | |
1645 | wpas_start_wps_go(wpa_s, res, 1); | |
1646 | else | |
1647 | wpas_start_wps_enrollee(ctx, res); | |
1648 | } | |
1649 | ||
1650 | wpa_s->p2p_long_listen = 0; | |
1651 | eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL); | |
1652 | ||
1653 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL); | |
ae3e3421 JM |
1654 | eloop_register_timeout(15 + res->peer_config_timeout / 100, |
1655 | (res->peer_config_timeout % 100) * 10000, | |
1656 | wpas_p2p_group_formation_timeout, wpa_s, NULL); | |
b22128ef JM |
1657 | } |
1658 | ||
1659 | ||
152cff6b | 1660 | static void wpas_go_neg_req_rx(void *ctx, const u8 *src, u16 dev_passwd_id) |
b22128ef JM |
1661 | { |
1662 | struct wpa_supplicant *wpa_s = ctx; | |
92c4465b JM |
1663 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_GO_NEG_REQUEST MACSTR |
1664 | " dev_passwd_id=%u", MAC2STR(src), dev_passwd_id); | |
32d1bce0 KRK |
1665 | |
1666 | wpas_notify_p2p_go_neg_req(wpa_s, src, dev_passwd_id); | |
b22128ef JM |
1667 | } |
1668 | ||
1669 | ||
152cff6b JM |
1670 | static void wpas_dev_found(void *ctx, const u8 *addr, |
1671 | const struct p2p_peer_info *info, | |
1672 | int new_device) | |
b22128ef | 1673 | { |
5506d184 | 1674 | #ifndef CONFIG_NO_STDOUT_DEBUG |
b22128ef JM |
1675 | struct wpa_supplicant *wpa_s = ctx; |
1676 | char devtype[WPS_DEV_TYPE_BUFSIZE]; | |
b125c48f DS |
1677 | char *wfd_dev_info_hex = NULL; |
1678 | ||
1679 | #ifdef CONFIG_WIFI_DISPLAY | |
1680 | wfd_dev_info_hex = wifi_display_subelem_hex(info->wfd_subelems, | |
1681 | WFD_SUBELEM_DEVICE_INFO); | |
1682 | #endif /* CONFIG_WIFI_DISPLAY */ | |
c5db8e51 | 1683 | |
92c4465b JM |
1684 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_DEVICE_FOUND MACSTR |
1685 | " p2p_dev_addr=" MACSTR | |
1686 | " pri_dev_type=%s name='%s' config_methods=0x%x " | |
b125c48f | 1687 | "dev_capab=0x%x group_capab=0x%x%s%s", |
92c4465b JM |
1688 | MAC2STR(addr), MAC2STR(info->p2p_device_addr), |
1689 | wps_dev_type_bin2str(info->pri_dev_type, devtype, | |
1690 | sizeof(devtype)), | |
b125c48f DS |
1691 | info->device_name, info->config_methods, |
1692 | info->dev_capab, info->group_capab, | |
1693 | wfd_dev_info_hex ? " wfd_dev_info=0x" : "", | |
1694 | wfd_dev_info_hex ? wfd_dev_info_hex : ""); | |
d642d2d2 | 1695 | |
b125c48f | 1696 | os_free(wfd_dev_info_hex); |
1b56d398 | 1697 | #endif /* CONFIG_NO_STDOUT_DEBUG */ |
b125c48f | 1698 | |
d642d2d2 | 1699 | wpas_notify_p2p_device_found(ctx, info->p2p_device_addr, new_device); |
b22128ef JM |
1700 | } |
1701 | ||
1702 | ||
56eeb8f2 JB |
1703 | static void wpas_dev_lost(void *ctx, const u8 *dev_addr) |
1704 | { | |
1705 | struct wpa_supplicant *wpa_s = ctx; | |
1706 | ||
92c4465b JM |
1707 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_DEVICE_LOST |
1708 | "p2p_dev_addr=" MACSTR, MAC2STR(dev_addr)); | |
3074d8f1 | 1709 | |
56eeb8f2 JB |
1710 | wpas_notify_p2p_device_lost(wpa_s, dev_addr); |
1711 | } | |
1712 | ||
1713 | ||
710ae9ac JM |
1714 | static void wpas_find_stopped(void *ctx) |
1715 | { | |
1716 | struct wpa_supplicant *wpa_s = ctx; | |
92c4465b | 1717 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_FIND_STOPPED); |
710ae9ac JM |
1718 | } |
1719 | ||
1720 | ||
e1d1c8e2 JM |
1721 | struct wpas_p2p_listen_work { |
1722 | unsigned int freq; | |
1723 | unsigned int duration; | |
1724 | struct wpabuf *probe_resp_ie; | |
1725 | }; | |
1726 | ||
1727 | ||
1728 | static void wpas_p2p_listen_work_free(struct wpas_p2p_listen_work *lwork) | |
b22128ef | 1729 | { |
e1d1c8e2 JM |
1730 | if (lwork == NULL) |
1731 | return; | |
1732 | wpabuf_free(lwork->probe_resp_ie); | |
1733 | os_free(lwork); | |
1734 | } | |
1735 | ||
1736 | ||
1737 | static void wpas_p2p_listen_work_done(struct wpa_supplicant *wpa_s) | |
1738 | { | |
1739 | struct wpas_p2p_listen_work *lwork; | |
1740 | ||
1741 | if (!wpa_s->p2p_listen_work) | |
1742 | return; | |
1743 | ||
1744 | lwork = wpa_s->p2p_listen_work->ctx; | |
1745 | wpas_p2p_listen_work_free(lwork); | |
1746 | radio_work_done(wpa_s->p2p_listen_work); | |
1747 | wpa_s->p2p_listen_work = NULL; | |
1748 | } | |
1749 | ||
1750 | ||
1751 | static void wpas_start_listen_cb(struct wpa_radio_work *work, int deinit) | |
1752 | { | |
1753 | struct wpa_supplicant *wpa_s = work->wpa_s; | |
1754 | struct wpas_p2p_listen_work *lwork = work->ctx; | |
1755 | ||
1756 | if (deinit) { | |
b3253ebb AO |
1757 | if (work->started) { |
1758 | wpa_s->p2p_listen_work = NULL; | |
1759 | wpas_stop_listen(wpa_s); | |
1760 | } | |
e1d1c8e2 JM |
1761 | wpas_p2p_listen_work_free(lwork); |
1762 | return; | |
1763 | } | |
b22128ef | 1764 | |
e1d1c8e2 JM |
1765 | wpa_s->p2p_listen_work = work; |
1766 | ||
1767 | wpa_drv_set_ap_wps_ie(wpa_s, NULL, lwork->probe_resp_ie, NULL); | |
b22128ef JM |
1768 | |
1769 | if (wpa_drv_probe_req_report(wpa_s, 1) < 0) { | |
1770 | wpa_printf(MSG_DEBUG, "P2P: Failed to request the driver to " | |
1771 | "report received Probe Request frames"); | |
e1d1c8e2 JM |
1772 | wpas_p2p_listen_work_done(wpa_s); |
1773 | return; | |
b22128ef JM |
1774 | } |
1775 | ||
e1d1c8e2 JM |
1776 | wpa_s->pending_listen_freq = lwork->freq; |
1777 | wpa_s->pending_listen_duration = lwork->duration; | |
b22128ef | 1778 | |
e1d1c8e2 JM |
1779 | if (wpa_drv_remain_on_channel(wpa_s, lwork->freq, lwork->duration) < 0) |
1780 | { | |
b22128ef JM |
1781 | wpa_printf(MSG_DEBUG, "P2P: Failed to request the driver " |
1782 | "to remain on channel (%u MHz) for Listen " | |
e1d1c8e2 JM |
1783 | "state", lwork->freq); |
1784 | wpas_p2p_listen_work_done(wpa_s); | |
b22128ef | 1785 | wpa_s->pending_listen_freq = 0; |
e1d1c8e2 | 1786 | return; |
b22128ef | 1787 | } |
09d660b9 | 1788 | wpa_s->off_channel_freq = 0; |
e1d1c8e2 JM |
1789 | wpa_s->roc_waiting_drv_freq = lwork->freq; |
1790 | } | |
1791 | ||
1792 | ||
1793 | static int wpas_start_listen(void *ctx, unsigned int freq, | |
1794 | unsigned int duration, | |
1795 | const struct wpabuf *probe_resp_ie) | |
1796 | { | |
1797 | struct wpa_supplicant *wpa_s = ctx; | |
1798 | struct wpas_p2p_listen_work *lwork; | |
1799 | ||
1800 | if (wpa_s->p2p_listen_work) { | |
1801 | wpa_printf(MSG_DEBUG, "P2P: Reject start_listen since p2p_listen_work already exists"); | |
1802 | return -1; | |
1803 | } | |
1804 | ||
1805 | lwork = os_zalloc(sizeof(*lwork)); | |
1806 | if (lwork == NULL) | |
1807 | return -1; | |
1808 | lwork->freq = freq; | |
1809 | lwork->duration = duration; | |
1810 | if (probe_resp_ie) { | |
1811 | lwork->probe_resp_ie = wpabuf_dup(probe_resp_ie); | |
1812 | if (lwork->probe_resp_ie == NULL) { | |
1813 | wpas_p2p_listen_work_free(lwork); | |
1814 | return -1; | |
1815 | } | |
1816 | } | |
1817 | ||
1818 | if (radio_add_work(wpa_s, freq, "p2p-listen", 0, wpas_start_listen_cb, | |
1819 | lwork) < 0) { | |
1820 | wpas_p2p_listen_work_free(lwork); | |
1821 | return -1; | |
1822 | } | |
b22128ef JM |
1823 | |
1824 | return 0; | |
1825 | } | |
1826 | ||
1827 | ||
1828 | static void wpas_stop_listen(void *ctx) | |
1829 | { | |
1830 | struct wpa_supplicant *wpa_s = ctx; | |
6cb22d2f | 1831 | if (wpa_s->off_channel_freq || wpa_s->roc_waiting_drv_freq) { |
b22128ef JM |
1832 | wpa_drv_cancel_remain_on_channel(wpa_s); |
1833 | wpa_s->off_channel_freq = 0; | |
07a30a66 | 1834 | wpa_s->roc_waiting_drv_freq = 0; |
b22128ef | 1835 | } |
839b33ad | 1836 | wpa_drv_set_ap_wps_ie(wpa_s, NULL, NULL, NULL); |
b22128ef | 1837 | wpa_drv_probe_req_report(wpa_s, 0); |
e1d1c8e2 | 1838 | wpas_p2p_listen_work_done(wpa_s); |
b22128ef JM |
1839 | } |
1840 | ||
1841 | ||
1842 | static int wpas_send_probe_resp(void *ctx, const struct wpabuf *buf) | |
1843 | { | |
1844 | struct wpa_supplicant *wpa_s = ctx; | |
9dbf53fe | 1845 | return wpa_drv_send_mlme(wpa_s, wpabuf_head(buf), wpabuf_len(buf), 1); |
b22128ef JM |
1846 | } |
1847 | ||
1848 | ||
8c9ad085 JM |
1849 | /* |
1850 | * DNS Header section is used only to calculate compression pointers, so the | |
1851 | * contents of this data does not matter, but the length needs to be reserved | |
1852 | * in the virtual packet. | |
1853 | */ | |
1854 | #define DNS_HEADER_LEN 12 | |
1855 | ||
1856 | /* | |
1857 | * 27-octet in-memory packet from P2P specification containing two implied | |
1858 | * queries for _tcp.lcoal. PTR IN and _udp.local. PTR IN | |
1859 | */ | |
1860 | #define P2P_SD_IN_MEMORY_LEN 27 | |
1861 | ||
1862 | static int p2p_sd_dns_uncompress_label(char **upos, char *uend, u8 *start, | |
1863 | u8 **spos, const u8 *end) | |
1864 | { | |
1865 | while (*spos < end) { | |
1866 | u8 val = ((*spos)[0] & 0xc0) >> 6; | |
1867 | int len; | |
1868 | ||
1869 | if (val == 1 || val == 2) { | |
1870 | /* These are reserved values in RFC 1035 */ | |
1871 | wpa_printf(MSG_DEBUG, "P2P: Invalid domain name " | |
1872 | "sequence starting with 0x%x", val); | |
1873 | return -1; | |
1874 | } | |
1875 | ||
1876 | if (val == 3) { | |
1877 | u16 offset; | |
1878 | u8 *spos_tmp; | |
1879 | ||
1880 | /* Offset */ | |
1881 | if (*spos + 2 > end) { | |
1882 | wpa_printf(MSG_DEBUG, "P2P: No room for full " | |
1883 | "DNS offset field"); | |
1884 | return -1; | |
1885 | } | |
1886 | ||
1887 | offset = (((*spos)[0] & 0x3f) << 8) | (*spos)[1]; | |
1888 | if (offset >= *spos - start) { | |
1889 | wpa_printf(MSG_DEBUG, "P2P: Invalid DNS " | |
1890 | "pointer offset %u", offset); | |
1891 | return -1; | |
1892 | } | |
1893 | ||
1894 | (*spos) += 2; | |
1895 | spos_tmp = start + offset; | |
1896 | return p2p_sd_dns_uncompress_label(upos, uend, start, | |
1897 | &spos_tmp, | |
1898 | *spos - 2); | |
1899 | } | |
1900 | ||
1901 | /* Label */ | |
1902 | len = (*spos)[0] & 0x3f; | |
1903 | if (len == 0) | |
1904 | return 0; | |
1905 | ||
1906 | (*spos)++; | |
1907 | if (*spos + len > end) { | |
1908 | wpa_printf(MSG_DEBUG, "P2P: Invalid domain name " | |
1909 | "sequence - no room for label with length " | |
1910 | "%u", len); | |
1911 | return -1; | |
1912 | } | |
1913 | ||
1914 | if (*upos + len + 2 > uend) | |
1915 | return -2; | |
1916 | ||
1917 | os_memcpy(*upos, *spos, len); | |
1918 | *spos += len; | |
1919 | *upos += len; | |
1920 | (*upos)[0] = '.'; | |
1921 | (*upos)++; | |
1922 | (*upos)[0] = '\0'; | |
1923 | } | |
1924 | ||
1925 | return 0; | |
1926 | } | |
1927 | ||
1928 | ||
1929 | /* Uncompress domain names per RFC 1035 using the P2P SD in-memory packet. | |
1930 | * Returns -1 on parsing error (invalid input sequence), -2 if output buffer is | |
1931 | * not large enough */ | |
1932 | static int p2p_sd_dns_uncompress(char *buf, size_t buf_len, const u8 *msg, | |
1933 | size_t msg_len, size_t offset) | |
1934 | { | |
1935 | /* 27-octet in-memory packet from P2P specification */ | |
1936 | const char *prefix = "\x04_tcp\x05local\x00\x00\x0C\x00\x01" | |
1937 | "\x04_udp\xC0\x11\x00\x0C\x00\x01"; | |
1938 | u8 *tmp, *end, *spos; | |
1939 | char *upos, *uend; | |
1940 | int ret = 0; | |
1941 | ||
1942 | if (buf_len < 2) | |
1943 | return -1; | |
1944 | if (offset > msg_len) | |
1945 | return -1; | |
1946 | ||
1947 | tmp = os_malloc(DNS_HEADER_LEN + P2P_SD_IN_MEMORY_LEN + msg_len); | |
1948 | if (tmp == NULL) | |
1949 | return -1; | |
1950 | spos = tmp + DNS_HEADER_LEN + P2P_SD_IN_MEMORY_LEN; | |
1951 | end = spos + msg_len; | |
1952 | spos += offset; | |
1953 | ||
1954 | os_memset(tmp, 0, DNS_HEADER_LEN); | |
1955 | os_memcpy(tmp + DNS_HEADER_LEN, prefix, P2P_SD_IN_MEMORY_LEN); | |
1956 | os_memcpy(tmp + DNS_HEADER_LEN + P2P_SD_IN_MEMORY_LEN, msg, msg_len); | |
1957 | ||
1958 | upos = buf; | |
1959 | uend = buf + buf_len; | |
1960 | ||
1961 | ret = p2p_sd_dns_uncompress_label(&upos, uend, tmp, &spos, end); | |
1962 | if (ret) { | |
1963 | os_free(tmp); | |
1964 | return ret; | |
1965 | } | |
1966 | ||
1967 | if (upos == buf) { | |
1968 | upos[0] = '.'; | |
1969 | upos[1] = '\0'; | |
1970 | } else if (upos[-1] == '.') | |
1971 | upos[-1] = '\0'; | |
1972 | ||
1973 | os_free(tmp); | |
1974 | return 0; | |
1975 | } | |
1976 | ||
1977 | ||
b22128ef JM |
1978 | static struct p2p_srv_bonjour * |
1979 | wpas_p2p_service_get_bonjour(struct wpa_supplicant *wpa_s, | |
1980 | const struct wpabuf *query) | |
1981 | { | |
1982 | struct p2p_srv_bonjour *bsrv; | |
1983 | size_t len; | |
1984 | ||
1985 | len = wpabuf_len(query); | |
1986 | dl_list_for_each(bsrv, &wpa_s->global->p2p_srv_bonjour, | |
1987 | struct p2p_srv_bonjour, list) { | |
1988 | if (len == wpabuf_len(bsrv->query) && | |
1989 | os_memcmp(wpabuf_head(query), wpabuf_head(bsrv->query), | |
1990 | len) == 0) | |
1991 | return bsrv; | |
1992 | } | |
1993 | return NULL; | |
1994 | } | |
1995 | ||
1996 | ||
1997 | static struct p2p_srv_upnp * | |
1998 | wpas_p2p_service_get_upnp(struct wpa_supplicant *wpa_s, u8 version, | |
1999 | const char *service) | |
2000 | { | |
2001 | struct p2p_srv_upnp *usrv; | |
2002 | ||
2003 | dl_list_for_each(usrv, &wpa_s->global->p2p_srv_upnp, | |
2004 | struct p2p_srv_upnp, list) { | |
2005 | if (version == usrv->version && | |
2006 | os_strcmp(service, usrv->service) == 0) | |
2007 | return usrv; | |
2008 | } | |
2009 | return NULL; | |
2010 | } | |
2011 | ||
2012 | ||
2013 | static void wpas_sd_add_proto_not_avail(struct wpabuf *resp, u8 srv_proto, | |
2014 | u8 srv_trans_id) | |
2015 | { | |
2016 | u8 *len_pos; | |
2017 | ||
2018 | if (wpabuf_tailroom(resp) < 5) | |
2019 | return; | |
2020 | ||
2021 | /* Length (to be filled) */ | |
2022 | len_pos = wpabuf_put(resp, 2); | |
2023 | wpabuf_put_u8(resp, srv_proto); | |
2024 | wpabuf_put_u8(resp, srv_trans_id); | |
2025 | /* Status Code */ | |
2026 | wpabuf_put_u8(resp, P2P_SD_PROTO_NOT_AVAILABLE); | |
2027 | /* Response Data: empty */ | |
2028 | WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2); | |
2029 | } | |
2030 | ||
2031 | ||
2032 | static void wpas_sd_all_bonjour(struct wpa_supplicant *wpa_s, | |
2033 | struct wpabuf *resp, u8 srv_trans_id) | |
2034 | { | |
2035 | struct p2p_srv_bonjour *bsrv; | |
2036 | u8 *len_pos; | |
2037 | ||
2038 | wpa_printf(MSG_DEBUG, "P2P: SD Request for all Bonjour services"); | |
2039 | ||
2040 | if (dl_list_empty(&wpa_s->global->p2p_srv_bonjour)) { | |
2041 | wpa_printf(MSG_DEBUG, "P2P: Bonjour protocol not available"); | |
2042 | return; | |
2043 | } | |
2044 | ||
2045 | dl_list_for_each(bsrv, &wpa_s->global->p2p_srv_bonjour, | |
2046 | struct p2p_srv_bonjour, list) { | |
2047 | if (wpabuf_tailroom(resp) < | |
2048 | 5 + wpabuf_len(bsrv->query) + wpabuf_len(bsrv->resp)) | |
2049 | return; | |
2050 | /* Length (to be filled) */ | |
2051 | len_pos = wpabuf_put(resp, 2); | |
2052 | wpabuf_put_u8(resp, P2P_SERV_BONJOUR); | |
2053 | wpabuf_put_u8(resp, srv_trans_id); | |
2054 | /* Status Code */ | |
2055 | wpabuf_put_u8(resp, P2P_SD_SUCCESS); | |
2056 | wpa_hexdump_ascii(MSG_DEBUG, "P2P: Matching Bonjour service", | |
2057 | wpabuf_head(bsrv->resp), | |
2058 | wpabuf_len(bsrv->resp)); | |
2059 | /* Response Data */ | |
2060 | wpabuf_put_buf(resp, bsrv->query); /* Key */ | |
2061 | wpabuf_put_buf(resp, bsrv->resp); /* Value */ | |
2062 | WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - | |
2063 | 2); | |
2064 | } | |
2065 | } | |
2066 | ||
2067 | ||
8c9ad085 JM |
2068 | static int match_bonjour_query(struct p2p_srv_bonjour *bsrv, const u8 *query, |
2069 | size_t query_len) | |
2070 | { | |
2071 | char str_rx[256], str_srv[256]; | |
2072 | ||
2073 | if (query_len < 3 || wpabuf_len(bsrv->query) < 3) | |
2074 | return 0; /* Too short to include DNS Type and Version */ | |
2075 | if (os_memcmp(query + query_len - 3, | |
2076 | wpabuf_head_u8(bsrv->query) + wpabuf_len(bsrv->query) - 3, | |
2077 | 3) != 0) | |
2078 | return 0; /* Mismatch in DNS Type or Version */ | |
2079 | if (query_len == wpabuf_len(bsrv->query) && | |
2080 | os_memcmp(query, wpabuf_head(bsrv->query), query_len - 3) == 0) | |
2081 | return 1; /* Binary match */ | |
2082 | ||
2083 | if (p2p_sd_dns_uncompress(str_rx, sizeof(str_rx), query, query_len - 3, | |
2084 | 0)) | |
2085 | return 0; /* Failed to uncompress query */ | |
2086 | if (p2p_sd_dns_uncompress(str_srv, sizeof(str_srv), | |
2087 | wpabuf_head(bsrv->query), | |
2088 | wpabuf_len(bsrv->query) - 3, 0)) | |
2089 | return 0; /* Failed to uncompress service */ | |
2090 | ||
2091 | return os_strcmp(str_rx, str_srv) == 0; | |
2092 | } | |
2093 | ||
2094 | ||
b22128ef JM |
2095 | static void wpas_sd_req_bonjour(struct wpa_supplicant *wpa_s, |
2096 | struct wpabuf *resp, u8 srv_trans_id, | |
2097 | const u8 *query, size_t query_len) | |
2098 | { | |
2099 | struct p2p_srv_bonjour *bsrv; | |
b22128ef | 2100 | u8 *len_pos; |
560f8bda | 2101 | int matches = 0; |
b22128ef JM |
2102 | |
2103 | wpa_hexdump_ascii(MSG_DEBUG, "P2P: SD Request for Bonjour", | |
2104 | query, query_len); | |
2105 | if (dl_list_empty(&wpa_s->global->p2p_srv_bonjour)) { | |
2106 | wpa_printf(MSG_DEBUG, "P2P: Bonjour protocol not available"); | |
2107 | wpas_sd_add_proto_not_avail(resp, P2P_SERV_BONJOUR, | |
2108 | srv_trans_id); | |
2109 | return; | |
2110 | } | |
2111 | ||
2112 | if (query_len == 0) { | |
2113 | wpas_sd_all_bonjour(wpa_s, resp, srv_trans_id); | |
2114 | return; | |
2115 | } | |
2116 | ||
560f8bda JM |
2117 | dl_list_for_each(bsrv, &wpa_s->global->p2p_srv_bonjour, |
2118 | struct p2p_srv_bonjour, list) { | |
8c9ad085 | 2119 | if (!match_bonjour_query(bsrv, query, query_len)) |
560f8bda JM |
2120 | continue; |
2121 | ||
2122 | if (wpabuf_tailroom(resp) < | |
2123 | 5 + query_len + wpabuf_len(bsrv->resp)) | |
2124 | return; | |
2125 | ||
2126 | matches++; | |
b22128ef | 2127 | |
560f8bda JM |
2128 | /* Length (to be filled) */ |
2129 | len_pos = wpabuf_put(resp, 2); | |
2130 | wpabuf_put_u8(resp, P2P_SERV_BONJOUR); | |
2131 | wpabuf_put_u8(resp, srv_trans_id); | |
2132 | ||
2133 | /* Status Code */ | |
2134 | wpabuf_put_u8(resp, P2P_SD_SUCCESS); | |
2135 | wpa_hexdump_ascii(MSG_DEBUG, "P2P: Matching Bonjour service", | |
2136 | wpabuf_head(bsrv->resp), | |
2137 | wpabuf_len(bsrv->resp)); | |
2138 | ||
2139 | /* Response Data */ | |
2140 | wpabuf_put_data(resp, query, query_len); /* Key */ | |
2141 | wpabuf_put_buf(resp, bsrv->resp); /* Value */ | |
2142 | ||
2143 | WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2); | |
2144 | } | |
2145 | ||
2146 | if (matches == 0) { | |
b22128ef JM |
2147 | wpa_printf(MSG_DEBUG, "P2P: Requested Bonjour service not " |
2148 | "available"); | |
560f8bda JM |
2149 | if (wpabuf_tailroom(resp) < 5) |
2150 | return; | |
2151 | ||
2152 | /* Length (to be filled) */ | |
2153 | len_pos = wpabuf_put(resp, 2); | |
2154 | wpabuf_put_u8(resp, P2P_SERV_BONJOUR); | |
2155 | wpabuf_put_u8(resp, srv_trans_id); | |
b22128ef JM |
2156 | |
2157 | /* Status Code */ | |
bf608cad | 2158 | wpabuf_put_u8(resp, P2P_SD_REQUESTED_INFO_NOT_AVAILABLE); |
b22128ef JM |
2159 | /* Response Data: empty */ |
2160 | WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - | |
2161 | 2); | |
b22128ef | 2162 | } |
b22128ef JM |
2163 | } |
2164 | ||
2165 | ||
2166 | static void wpas_sd_all_upnp(struct wpa_supplicant *wpa_s, | |
2167 | struct wpabuf *resp, u8 srv_trans_id) | |
2168 | { | |
2169 | struct p2p_srv_upnp *usrv; | |
2170 | u8 *len_pos; | |
2171 | ||
2172 | wpa_printf(MSG_DEBUG, "P2P: SD Request for all UPnP services"); | |
2173 | ||
2174 | if (dl_list_empty(&wpa_s->global->p2p_srv_upnp)) { | |
2175 | wpa_printf(MSG_DEBUG, "P2P: UPnP protocol not available"); | |
2176 | return; | |
2177 | } | |
2178 | ||
2179 | dl_list_for_each(usrv, &wpa_s->global->p2p_srv_upnp, | |
2180 | struct p2p_srv_upnp, list) { | |
2181 | if (wpabuf_tailroom(resp) < 5 + 1 + os_strlen(usrv->service)) | |
2182 | return; | |
2183 | ||
2184 | /* Length (to be filled) */ | |
2185 | len_pos = wpabuf_put(resp, 2); | |
2186 | wpabuf_put_u8(resp, P2P_SERV_UPNP); | |
2187 | wpabuf_put_u8(resp, srv_trans_id); | |
2188 | ||
2189 | /* Status Code */ | |
2190 | wpabuf_put_u8(resp, P2P_SD_SUCCESS); | |
2191 | /* Response Data */ | |
2192 | wpabuf_put_u8(resp, usrv->version); | |
2193 | wpa_printf(MSG_DEBUG, "P2P: Matching UPnP Service: %s", | |
2194 | usrv->service); | |
2195 | wpabuf_put_str(resp, usrv->service); | |
2196 | WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - | |
2197 | 2); | |
2198 | } | |
2199 | } | |
2200 | ||
2201 | ||
2202 | static void wpas_sd_req_upnp(struct wpa_supplicant *wpa_s, | |
2203 | struct wpabuf *resp, u8 srv_trans_id, | |
2204 | const u8 *query, size_t query_len) | |
2205 | { | |
2206 | struct p2p_srv_upnp *usrv; | |
2207 | u8 *len_pos; | |
2208 | u8 version; | |
2209 | char *str; | |
2210 | int count = 0; | |
2211 | ||
2212 | wpa_hexdump_ascii(MSG_DEBUG, "P2P: SD Request for UPnP", | |
2213 | query, query_len); | |
2214 | ||
2215 | if (dl_list_empty(&wpa_s->global->p2p_srv_upnp)) { | |
2216 | wpa_printf(MSG_DEBUG, "P2P: UPnP protocol not available"); | |
2217 | wpas_sd_add_proto_not_avail(resp, P2P_SERV_UPNP, | |
2218 | srv_trans_id); | |
2219 | return; | |
2220 | } | |
2221 | ||
2222 | if (query_len == 0) { | |
2223 | wpas_sd_all_upnp(wpa_s, resp, srv_trans_id); | |
2224 | return; | |
2225 | } | |
2226 | ||
b22128ef JM |
2227 | if (wpabuf_tailroom(resp) < 5) |
2228 | return; | |
2229 | ||
2230 | /* Length (to be filled) */ | |
2231 | len_pos = wpabuf_put(resp, 2); | |
2232 | wpabuf_put_u8(resp, P2P_SERV_UPNP); | |
2233 | wpabuf_put_u8(resp, srv_trans_id); | |
2234 | ||
79222cfa JM |
2235 | version = query[0]; |
2236 | str = os_malloc(query_len); | |
2237 | if (str == NULL) | |
2238 | return; | |
2239 | os_memcpy(str, query + 1, query_len - 1); | |
2240 | str[query_len - 1] = '\0'; | |
2241 | ||
b22128ef JM |
2242 | dl_list_for_each(usrv, &wpa_s->global->p2p_srv_upnp, |
2243 | struct p2p_srv_upnp, list) { | |
2244 | if (version != usrv->version) | |
2245 | continue; | |
2246 | ||
2247 | if (os_strcmp(str, "ssdp:all") != 0 && | |
2248 | os_strstr(usrv->service, str) == NULL) | |
2249 | continue; | |
2250 | ||
2251 | if (wpabuf_tailroom(resp) < 2) | |
2252 | break; | |
2253 | if (count == 0) { | |
2254 | /* Status Code */ | |
2255 | wpabuf_put_u8(resp, P2P_SD_SUCCESS); | |
2256 | /* Response Data */ | |
2257 | wpabuf_put_u8(resp, version); | |
2258 | } else | |
2259 | wpabuf_put_u8(resp, ','); | |
2260 | ||
2261 | count++; | |
2262 | ||
2263 | wpa_printf(MSG_DEBUG, "P2P: Matching UPnP Service: %s", | |
2264 | usrv->service); | |
2265 | if (wpabuf_tailroom(resp) < os_strlen(usrv->service)) | |
2266 | break; | |
2267 | wpabuf_put_str(resp, usrv->service); | |
2268 | } | |
714b8b53 | 2269 | os_free(str); |
b22128ef JM |
2270 | |
2271 | if (count == 0) { | |
2272 | wpa_printf(MSG_DEBUG, "P2P: Requested UPnP service not " | |
2273 | "available"); | |
2274 | /* Status Code */ | |
bf608cad | 2275 | wpabuf_put_u8(resp, P2P_SD_REQUESTED_INFO_NOT_AVAILABLE); |
b22128ef JM |
2276 | /* Response Data: empty */ |
2277 | } | |
2278 | ||
2279 | WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2); | |
2280 | } | |
2281 | ||
2282 | ||
6ffdc2f7 JM |
2283 | #ifdef CONFIG_WIFI_DISPLAY |
2284 | static void wpas_sd_req_wfd(struct wpa_supplicant *wpa_s, | |
2285 | struct wpabuf *resp, u8 srv_trans_id, | |
2286 | const u8 *query, size_t query_len) | |
2287 | { | |
2288 | const u8 *pos; | |
2289 | u8 role; | |
2290 | u8 *len_pos; | |
2291 | ||
2292 | wpa_hexdump(MSG_DEBUG, "P2P: SD Request for WFD", query, query_len); | |
2293 | ||
2294 | if (!wpa_s->global->wifi_display) { | |
2295 | wpa_printf(MSG_DEBUG, "P2P: WFD protocol not available"); | |
2296 | wpas_sd_add_proto_not_avail(resp, P2P_SERV_WIFI_DISPLAY, | |
2297 | srv_trans_id); | |
2298 | return; | |
2299 | } | |
2300 | ||
2301 | if (query_len < 1) { | |
2302 | wpa_printf(MSG_DEBUG, "P2P: Missing WFD Requested Device " | |
2303 | "Role"); | |
2304 | return; | |
2305 | } | |
2306 | ||
2307 | if (wpabuf_tailroom(resp) < 5) | |
2308 | return; | |
2309 | ||
2310 | pos = query; | |
2311 | role = *pos++; | |
2312 | wpa_printf(MSG_DEBUG, "P2P: WSD for device role 0x%x", role); | |
2313 | ||
2314 | /* TODO: role specific handling */ | |
2315 | ||
2316 | /* Length (to be filled) */ | |
2317 | len_pos = wpabuf_put(resp, 2); | |
2318 | wpabuf_put_u8(resp, P2P_SERV_WIFI_DISPLAY); | |
2319 | wpabuf_put_u8(resp, srv_trans_id); | |
2320 | wpabuf_put_u8(resp, P2P_SD_SUCCESS); /* Status Code */ | |
2321 | ||
2322 | while (pos < query + query_len) { | |
2323 | if (*pos < MAX_WFD_SUBELEMS && | |
2324 | wpa_s->global->wfd_subelem[*pos] && | |
2325 | wpabuf_tailroom(resp) >= | |
2326 | wpabuf_len(wpa_s->global->wfd_subelem[*pos])) { | |
2327 | wpa_printf(MSG_DEBUG, "P2P: Add WSD response " | |
2328 | "subelement %u", *pos); | |
2329 | wpabuf_put_buf(resp, wpa_s->global->wfd_subelem[*pos]); | |
2330 | } | |
2331 | pos++; | |
2332 | } | |
2333 | ||
2334 | WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2); | |
2335 | } | |
2336 | #endif /* CONFIG_WIFI_DISPLAY */ | |
2337 | ||
2338 | ||
152cff6b JM |
2339 | static void wpas_sd_request(void *ctx, int freq, const u8 *sa, u8 dialog_token, |
2340 | u16 update_indic, const u8 *tlvs, size_t tlvs_len) | |
b22128ef JM |
2341 | { |
2342 | struct wpa_supplicant *wpa_s = ctx; | |
2343 | const u8 *pos = tlvs; | |
2344 | const u8 *end = tlvs + tlvs_len; | |
2345 | const u8 *tlv_end; | |
2346 | u16 slen; | |
2347 | struct wpabuf *resp; | |
2348 | u8 srv_proto, srv_trans_id; | |
2349 | size_t buf_len; | |
2350 | char *buf; | |
2351 | ||
2352 | wpa_hexdump(MSG_MSGDUMP, "P2P: Service Discovery Request TLVs", | |
2353 | tlvs, tlvs_len); | |
2354 | buf_len = 2 * tlvs_len + 1; | |
2355 | buf = os_malloc(buf_len); | |
2356 | if (buf) { | |
2357 | wpa_snprintf_hex(buf, buf_len, tlvs, tlvs_len); | |
2358 | wpa_msg_ctrl(wpa_s, MSG_INFO, P2P_EVENT_SERV_DISC_REQ "%d " | |
2359 | MACSTR " %u %u %s", | |
2360 | freq, MAC2STR(sa), dialog_token, update_indic, | |
2361 | buf); | |
2362 | os_free(buf); | |
2363 | } | |
2364 | ||
3b655312 | 2365 | if (wpa_s->p2p_sd_over_ctrl_iface) { |
2366 | wpas_notify_p2p_sd_request(wpa_s, freq, sa, dialog_token, | |
2367 | update_indic, tlvs, tlvs_len); | |
b22128ef | 2368 | return; /* to be processed by an external program */ |
3b655312 | 2369 | } |
b22128ef JM |
2370 | |
2371 | resp = wpabuf_alloc(10000); | |
2372 | if (resp == NULL) | |
2373 | return; | |
2374 | ||
2375 | while (pos + 1 < end) { | |
2376 | wpa_printf(MSG_DEBUG, "P2P: Service Request TLV"); | |
2377 | slen = WPA_GET_LE16(pos); | |
2378 | pos += 2; | |
2379 | if (pos + slen > end || slen < 2) { | |
2380 | wpa_printf(MSG_DEBUG, "P2P: Unexpected Query Data " | |
2381 | "length"); | |
2382 | wpabuf_free(resp); | |
2383 | return; | |
2384 | } | |
2385 | tlv_end = pos + slen; | |
2386 | ||
2387 | srv_proto = *pos++; | |
2388 | wpa_printf(MSG_DEBUG, "P2P: Service Protocol Type %u", | |
2389 | srv_proto); | |
2390 | srv_trans_id = *pos++; | |
2391 | wpa_printf(MSG_DEBUG, "P2P: Service Transaction ID %u", | |
2392 | srv_trans_id); | |
2393 | ||
2394 | wpa_hexdump(MSG_MSGDUMP, "P2P: Query Data", | |
2395 | pos, tlv_end - pos); | |
2396 | ||
6e6963ea JM |
2397 | |
2398 | if (wpa_s->force_long_sd) { | |
2399 | wpa_printf(MSG_DEBUG, "P2P: SD test - force long " | |
2400 | "response"); | |
2401 | wpas_sd_all_bonjour(wpa_s, resp, srv_trans_id); | |
2402 | wpas_sd_all_upnp(wpa_s, resp, srv_trans_id); | |
2403 | goto done; | |
2404 | } | |
2405 | ||
b22128ef JM |
2406 | switch (srv_proto) { |
2407 | case P2P_SERV_ALL_SERVICES: | |
2408 | wpa_printf(MSG_DEBUG, "P2P: Service Discovery Request " | |
2409 | "for all services"); | |
2410 | if (dl_list_empty(&wpa_s->global->p2p_srv_upnp) && | |
2411 | dl_list_empty(&wpa_s->global->p2p_srv_bonjour)) { | |
2412 | wpa_printf(MSG_DEBUG, "P2P: No service " | |
2413 | "discovery protocols available"); | |
2414 | wpas_sd_add_proto_not_avail( | |
2415 | resp, P2P_SERV_ALL_SERVICES, | |
2416 | srv_trans_id); | |
2417 | break; | |
2418 | } | |
2419 | wpas_sd_all_bonjour(wpa_s, resp, srv_trans_id); | |
2420 | wpas_sd_all_upnp(wpa_s, resp, srv_trans_id); | |
2421 | break; | |
2422 | case P2P_SERV_BONJOUR: | |
2423 | wpas_sd_req_bonjour(wpa_s, resp, srv_trans_id, | |
2424 | pos, tlv_end - pos); | |
2425 | break; | |
2426 | case P2P_SERV_UPNP: | |
2427 | wpas_sd_req_upnp(wpa_s, resp, srv_trans_id, | |
2428 | pos, tlv_end - pos); | |
2429 | break; | |
6ffdc2f7 JM |
2430 | #ifdef CONFIG_WIFI_DISPLAY |
2431 | case P2P_SERV_WIFI_DISPLAY: | |
2432 | wpas_sd_req_wfd(wpa_s, resp, srv_trans_id, | |
2433 | pos, tlv_end - pos); | |
2434 | break; | |
2435 | #endif /* CONFIG_WIFI_DISPLAY */ | |
b22128ef JM |
2436 | default: |
2437 | wpa_printf(MSG_DEBUG, "P2P: Unavailable service " | |
2438 | "protocol %u", srv_proto); | |
2439 | wpas_sd_add_proto_not_avail(resp, srv_proto, | |
2440 | srv_trans_id); | |
2441 | break; | |
2442 | } | |
2443 | ||
2444 | pos = tlv_end; | |
2445 | } | |
2446 | ||
6e6963ea | 2447 | done: |
e1653cac KRK |
2448 | wpas_notify_p2p_sd_request(wpa_s, freq, sa, dialog_token, |
2449 | update_indic, tlvs, tlvs_len); | |
2450 | ||
b22128ef JM |
2451 | wpas_p2p_sd_response(wpa_s, freq, sa, dialog_token, resp); |
2452 | ||
2453 | wpabuf_free(resp); | |
2454 | } | |
2455 | ||
2456 | ||
152cff6b JM |
2457 | static void wpas_sd_response(void *ctx, const u8 *sa, u16 update_indic, |
2458 | const u8 *tlvs, size_t tlvs_len) | |
b22128ef JM |
2459 | { |
2460 | struct wpa_supplicant *wpa_s = ctx; | |
2461 | const u8 *pos = tlvs; | |
2462 | const u8 *end = tlvs + tlvs_len; | |
2463 | const u8 *tlv_end; | |
2464 | u16 slen; | |
2465 | size_t buf_len; | |
2466 | char *buf; | |
2467 | ||
2468 | wpa_hexdump(MSG_MSGDUMP, "P2P: Service Discovery Response TLVs", | |
2469 | tlvs, tlvs_len); | |
18708aad JM |
2470 | if (tlvs_len > 1500) { |
2471 | /* TODO: better way for handling this */ | |
2472 | wpa_msg_ctrl(wpa_s, MSG_INFO, | |
2473 | P2P_EVENT_SERV_DISC_RESP MACSTR | |
2474 | " %u <long response: %u bytes>", | |
2475 | MAC2STR(sa), update_indic, | |
2476 | (unsigned int) tlvs_len); | |
2477 | } else { | |
2478 | buf_len = 2 * tlvs_len + 1; | |
2479 | buf = os_malloc(buf_len); | |
2480 | if (buf) { | |
2481 | wpa_snprintf_hex(buf, buf_len, tlvs, tlvs_len); | |
2482 | wpa_msg_ctrl(wpa_s, MSG_INFO, | |
2483 | P2P_EVENT_SERV_DISC_RESP MACSTR " %u %s", | |
2484 | MAC2STR(sa), update_indic, buf); | |
2485 | os_free(buf); | |
2486 | } | |
b22128ef JM |
2487 | } |
2488 | ||
2489 | while (pos < end) { | |
2490 | u8 srv_proto, srv_trans_id, status; | |
2491 | ||
2492 | wpa_printf(MSG_DEBUG, "P2P: Service Response TLV"); | |
2493 | slen = WPA_GET_LE16(pos); | |
2494 | pos += 2; | |
2495 | if (pos + slen > end || slen < 3) { | |
2496 | wpa_printf(MSG_DEBUG, "P2P: Unexpected Response Data " | |
2497 | "length"); | |
2498 | return; | |
2499 | } | |
2500 | tlv_end = pos + slen; | |
2501 | ||
2502 | srv_proto = *pos++; | |
2503 | wpa_printf(MSG_DEBUG, "P2P: Service Protocol Type %u", | |
2504 | srv_proto); | |
2505 | srv_trans_id = *pos++; | |
2506 | wpa_printf(MSG_DEBUG, "P2P: Service Transaction ID %u", | |
2507 | srv_trans_id); | |
2508 | status = *pos++; | |
2509 | wpa_printf(MSG_DEBUG, "P2P: Status Code ID %u", | |
2510 | status); | |
2511 | ||
2512 | wpa_hexdump(MSG_MSGDUMP, "P2P: Response Data", | |
2513 | pos, tlv_end - pos); | |
2514 | ||
2515 | pos = tlv_end; | |
2516 | } | |
43a26f60 KRK |
2517 | |
2518 | wpas_notify_p2p_sd_response(wpa_s, sa, update_indic, tlvs, tlvs_len); | |
b22128ef JM |
2519 | } |
2520 | ||
2521 | ||
7165c5dc JM |
2522 | u64 wpas_p2p_sd_request(struct wpa_supplicant *wpa_s, const u8 *dst, |
2523 | const struct wpabuf *tlvs) | |
b22128ef | 2524 | { |
9526fd29 | 2525 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
7165c5dc JM |
2526 | return 0; |
2527 | return (uintptr_t) p2p_sd_request(wpa_s->global->p2p, dst, tlvs); | |
b22128ef JM |
2528 | } |
2529 | ||
2530 | ||
7165c5dc JM |
2531 | u64 wpas_p2p_sd_request_upnp(struct wpa_supplicant *wpa_s, const u8 *dst, |
2532 | u8 version, const char *query) | |
b22128ef JM |
2533 | { |
2534 | struct wpabuf *tlvs; | |
7165c5dc | 2535 | u64 ret; |
b22128ef JM |
2536 | |
2537 | tlvs = wpabuf_alloc(2 + 1 + 1 + 1 + os_strlen(query)); | |
2538 | if (tlvs == NULL) | |
7165c5dc | 2539 | return 0; |
b22128ef JM |
2540 | wpabuf_put_le16(tlvs, 1 + 1 + 1 + os_strlen(query)); |
2541 | wpabuf_put_u8(tlvs, P2P_SERV_UPNP); /* Service Protocol Type */ | |
2542 | wpabuf_put_u8(tlvs, 1); /* Service Transaction ID */ | |
2543 | wpabuf_put_u8(tlvs, version); | |
2544 | wpabuf_put_str(tlvs, query); | |
2545 | ret = wpas_p2p_sd_request(wpa_s, dst, tlvs); | |
2546 | wpabuf_free(tlvs); | |
2547 | return ret; | |
2548 | } | |
2549 | ||
2550 | ||
347d6a5b JM |
2551 | #ifdef CONFIG_WIFI_DISPLAY |
2552 | ||
2553 | static u64 wpas_p2p_sd_request_wfd(struct wpa_supplicant *wpa_s, const u8 *dst, | |
2554 | const struct wpabuf *tlvs) | |
2555 | { | |
347d6a5b JM |
2556 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
2557 | return 0; | |
2558 | return (uintptr_t) p2p_sd_request_wfd(wpa_s->global->p2p, dst, tlvs); | |
2559 | } | |
2560 | ||
2561 | ||
2562 | #define MAX_WFD_SD_SUBELEMS 20 | |
2563 | ||
2564 | static void wfd_add_sd_req_role(struct wpabuf *tlvs, u8 id, u8 role, | |
2565 | const char *subelems) | |
2566 | { | |
2567 | u8 *len; | |
2568 | const char *pos; | |
2569 | int val; | |
2570 | int count = 0; | |
2571 | ||
2572 | len = wpabuf_put(tlvs, 2); | |
2573 | wpabuf_put_u8(tlvs, P2P_SERV_WIFI_DISPLAY); /* Service Protocol Type */ | |
2574 | wpabuf_put_u8(tlvs, id); /* Service Transaction ID */ | |
2575 | ||
2576 | wpabuf_put_u8(tlvs, role); | |
2577 | ||
2578 | pos = subelems; | |
2579 | while (*pos) { | |
2580 | val = atoi(pos); | |
2581 | if (val >= 0 && val < 256) { | |
2582 | wpabuf_put_u8(tlvs, val); | |
2583 | count++; | |
2584 | if (count == MAX_WFD_SD_SUBELEMS) | |
2585 | break; | |
2586 | } | |
2587 | pos = os_strchr(pos + 1, ','); | |
2588 | if (pos == NULL) | |
2589 | break; | |
2590 | pos++; | |
2591 | } | |
2592 | ||
2593 | WPA_PUT_LE16(len, (u8 *) wpabuf_put(tlvs, 0) - len - 2); | |
2594 | } | |
2595 | ||
2596 | ||
2597 | u64 wpas_p2p_sd_request_wifi_display(struct wpa_supplicant *wpa_s, | |
2598 | const u8 *dst, const char *role) | |
2599 | { | |
2600 | struct wpabuf *tlvs; | |
2601 | u64 ret; | |
2602 | const char *subelems; | |
2603 | u8 id = 1; | |
2604 | ||
2605 | subelems = os_strchr(role, ' '); | |
2606 | if (subelems == NULL) | |
2607 | return 0; | |
2608 | subelems++; | |
2609 | ||
2610 | tlvs = wpabuf_alloc(4 * (2 + 1 + 1 + 1 + MAX_WFD_SD_SUBELEMS)); | |
2611 | if (tlvs == NULL) | |
2612 | return 0; | |
2613 | ||
2614 | if (os_strstr(role, "[source]")) | |
2615 | wfd_add_sd_req_role(tlvs, id++, 0x00, subelems); | |
2616 | if (os_strstr(role, "[pri-sink]")) | |
2617 | wfd_add_sd_req_role(tlvs, id++, 0x01, subelems); | |
2618 | if (os_strstr(role, "[sec-sink]")) | |
2619 | wfd_add_sd_req_role(tlvs, id++, 0x02, subelems); | |
2620 | if (os_strstr(role, "[source+sink]")) | |
2621 | wfd_add_sd_req_role(tlvs, id++, 0x03, subelems); | |
2622 | ||
2623 | ret = wpas_p2p_sd_request_wfd(wpa_s, dst, tlvs); | |
2624 | wpabuf_free(tlvs); | |
2625 | return ret; | |
2626 | } | |
2627 | ||
2628 | #endif /* CONFIG_WIFI_DISPLAY */ | |
2629 | ||
2630 | ||
7165c5dc | 2631 | int wpas_p2p_sd_cancel_request(struct wpa_supplicant *wpa_s, u64 req) |
b22128ef | 2632 | { |
9526fd29 JM |
2633 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
2634 | return -1; | |
7165c5dc JM |
2635 | return p2p_sd_cancel_request(wpa_s->global->p2p, |
2636 | (void *) (uintptr_t) req); | |
b22128ef JM |
2637 | } |
2638 | ||
2639 | ||
2640 | void wpas_p2p_sd_response(struct wpa_supplicant *wpa_s, int freq, | |
2641 | const u8 *dst, u8 dialog_token, | |
2642 | const struct wpabuf *resp_tlvs) | |
2643 | { | |
9526fd29 JM |
2644 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
2645 | return; | |
b22128ef JM |
2646 | p2p_sd_response(wpa_s->global->p2p, freq, dst, dialog_token, |
2647 | resp_tlvs); | |
2648 | } | |
2649 | ||
2650 | ||
2651 | void wpas_p2p_sd_service_update(struct wpa_supplicant *wpa_s) | |
2652 | { | |
9526fd29 JM |
2653 | if (wpa_s->global->p2p) |
2654 | p2p_sd_service_update(wpa_s->global->p2p); | |
b22128ef JM |
2655 | } |
2656 | ||
2657 | ||
2658 | static void wpas_p2p_srv_bonjour_free(struct p2p_srv_bonjour *bsrv) | |
2659 | { | |
2660 | dl_list_del(&bsrv->list); | |
2661 | wpabuf_free(bsrv->query); | |
2662 | wpabuf_free(bsrv->resp); | |
2663 | os_free(bsrv); | |
2664 | } | |
2665 | ||
2666 | ||
2667 | static void wpas_p2p_srv_upnp_free(struct p2p_srv_upnp *usrv) | |
2668 | { | |
2669 | dl_list_del(&usrv->list); | |
2670 | os_free(usrv->service); | |
2671 | os_free(usrv); | |
2672 | } | |
2673 | ||
2674 | ||
2675 | void wpas_p2p_service_flush(struct wpa_supplicant *wpa_s) | |
2676 | { | |
2677 | struct p2p_srv_bonjour *bsrv, *bn; | |
2678 | struct p2p_srv_upnp *usrv, *un; | |
2679 | ||
2680 | dl_list_for_each_safe(bsrv, bn, &wpa_s->global->p2p_srv_bonjour, | |
2681 | struct p2p_srv_bonjour, list) | |
2682 | wpas_p2p_srv_bonjour_free(bsrv); | |
2683 | ||
2684 | dl_list_for_each_safe(usrv, un, &wpa_s->global->p2p_srv_upnp, | |
2685 | struct p2p_srv_upnp, list) | |
2686 | wpas_p2p_srv_upnp_free(usrv); | |
2687 | ||
2688 | wpas_p2p_sd_service_update(wpa_s); | |
2689 | } | |
2690 | ||
2691 | ||
2692 | int wpas_p2p_service_add_bonjour(struct wpa_supplicant *wpa_s, | |
2693 | struct wpabuf *query, struct wpabuf *resp) | |
2694 | { | |
2695 | struct p2p_srv_bonjour *bsrv; | |
2696 | ||
b22128ef JM |
2697 | bsrv = os_zalloc(sizeof(*bsrv)); |
2698 | if (bsrv == NULL) | |
2699 | return -1; | |
2700 | bsrv->query = query; | |
2701 | bsrv->resp = resp; | |
2702 | dl_list_add(&wpa_s->global->p2p_srv_bonjour, &bsrv->list); | |
2703 | ||
2704 | wpas_p2p_sd_service_update(wpa_s); | |
2705 | return 0; | |
2706 | } | |
2707 | ||
2708 | ||
2709 | int wpas_p2p_service_del_bonjour(struct wpa_supplicant *wpa_s, | |
2710 | const struct wpabuf *query) | |
2711 | { | |
2712 | struct p2p_srv_bonjour *bsrv; | |
2713 | ||
2714 | bsrv = wpas_p2p_service_get_bonjour(wpa_s, query); | |
2715 | if (bsrv == NULL) | |
2716 | return -1; | |
2717 | wpas_p2p_srv_bonjour_free(bsrv); | |
2718 | wpas_p2p_sd_service_update(wpa_s); | |
2719 | return 0; | |
2720 | } | |
2721 | ||
2722 | ||
2723 | int wpas_p2p_service_add_upnp(struct wpa_supplicant *wpa_s, u8 version, | |
2724 | const char *service) | |
2725 | { | |
2726 | struct p2p_srv_upnp *usrv; | |
2727 | ||
2728 | if (wpas_p2p_service_get_upnp(wpa_s, version, service)) | |
2729 | return 0; /* Already listed */ | |
2730 | usrv = os_zalloc(sizeof(*usrv)); | |
2731 | if (usrv == NULL) | |
2732 | return -1; | |
2733 | usrv->version = version; | |
2734 | usrv->service = os_strdup(service); | |
2735 | if (usrv->service == NULL) { | |
2736 | os_free(usrv); | |
2737 | return -1; | |
2738 | } | |
2739 | dl_list_add(&wpa_s->global->p2p_srv_upnp, &usrv->list); | |
2740 | ||
2741 | wpas_p2p_sd_service_update(wpa_s); | |
2742 | return 0; | |
2743 | } | |
2744 | ||
2745 | ||
2746 | int wpas_p2p_service_del_upnp(struct wpa_supplicant *wpa_s, u8 version, | |
2747 | const char *service) | |
2748 | { | |
2749 | struct p2p_srv_upnp *usrv; | |
2750 | ||
2751 | usrv = wpas_p2p_service_get_upnp(wpa_s, version, service); | |
2752 | if (usrv == NULL) | |
2753 | return -1; | |
2754 | wpas_p2p_srv_upnp_free(usrv); | |
2755 | wpas_p2p_sd_service_update(wpa_s); | |
2756 | return 0; | |
2757 | } | |
2758 | ||
2759 | ||
2760 | static void wpas_prov_disc_local_display(struct wpa_supplicant *wpa_s, | |
bbeee9b0 JB |
2761 | const u8 *peer, const char *params, |
2762 | unsigned int generated_pin) | |
b22128ef | 2763 | { |
92c4465b JM |
2764 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_SHOW_PIN MACSTR |
2765 | " %08d%s", MAC2STR(peer), generated_pin, params); | |
b22128ef JM |
2766 | } |
2767 | ||
2768 | ||
2769 | static void wpas_prov_disc_local_keypad(struct wpa_supplicant *wpa_s, | |
2770 | const u8 *peer, const char *params) | |
2771 | { | |
92c4465b JM |
2772 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_ENTER_PIN MACSTR |
2773 | "%s", MAC2STR(peer), params); | |
b22128ef JM |
2774 | } |
2775 | ||
2776 | ||
152cff6b JM |
2777 | static void wpas_prov_disc_req(void *ctx, const u8 *peer, u16 config_methods, |
2778 | const u8 *dev_addr, const u8 *pri_dev_type, | |
2779 | const char *dev_name, u16 supp_config_methods, | |
2780 | u8 dev_capab, u8 group_capab, const u8 *group_id, | |
2781 | size_t group_id_len) | |
b22128ef JM |
2782 | { |
2783 | struct wpa_supplicant *wpa_s = ctx; | |
2784 | char devtype[WPS_DEV_TYPE_BUFSIZE]; | |
c3f42784 | 2785 | char params[300]; |
b22128ef | 2786 | u8 empty_dev_type[8]; |
bbeee9b0 | 2787 | unsigned int generated_pin = 0; |
c3f42784 JM |
2788 | struct wpa_supplicant *group = NULL; |
2789 | ||
2790 | if (group_id) { | |
2791 | for (group = wpa_s->global->ifaces; group; group = group->next) | |
2792 | { | |
2793 | struct wpa_ssid *s = group->current_ssid; | |
2794 | if (s != NULL && | |
2795 | s->mode == WPAS_MODE_P2P_GO && | |
2796 | group_id_len - ETH_ALEN == s->ssid_len && | |
2797 | os_memcmp(group_id + ETH_ALEN, s->ssid, | |
2798 | s->ssid_len) == 0) | |
2799 | break; | |
2800 | } | |
2801 | } | |
b22128ef JM |
2802 | |
2803 | if (pri_dev_type == NULL) { | |
2804 | os_memset(empty_dev_type, 0, sizeof(empty_dev_type)); | |
2805 | pri_dev_type = empty_dev_type; | |
2806 | } | |
2807 | os_snprintf(params, sizeof(params), " p2p_dev_addr=" MACSTR | |
2808 | " pri_dev_type=%s name='%s' config_methods=0x%x " | |
c3f42784 | 2809 | "dev_capab=0x%x group_capab=0x%x%s%s", |
b22128ef JM |
2810 | MAC2STR(dev_addr), |
2811 | wps_dev_type_bin2str(pri_dev_type, devtype, | |
2812 | sizeof(devtype)), | |
c3f42784 JM |
2813 | dev_name, supp_config_methods, dev_capab, group_capab, |
2814 | group ? " group=" : "", | |
2815 | group ? group->ifname : ""); | |
b22128ef JM |
2816 | params[sizeof(params) - 1] = '\0'; |
2817 | ||
bbeee9b0 JB |
2818 | if (config_methods & WPS_CONFIG_DISPLAY) { |
2819 | generated_pin = wps_generate_pin(); | |
2820 | wpas_prov_disc_local_display(wpa_s, peer, params, | |
2821 | generated_pin); | |
2822 | } else if (config_methods & WPS_CONFIG_KEYPAD) | |
b22128ef JM |
2823 | wpas_prov_disc_local_keypad(wpa_s, peer, params); |
2824 | else if (config_methods & WPS_CONFIG_PUSHBUTTON) | |
92c4465b JM |
2825 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_PBC_REQ |
2826 | MACSTR "%s", MAC2STR(peer), params); | |
dd8a7e05 JB |
2827 | |
2828 | wpas_notify_p2p_provision_discovery(wpa_s, peer, 1 /* request */, | |
2829 | P2P_PROV_DISC_SUCCESS, | |
2830 | config_methods, generated_pin); | |
b22128ef JM |
2831 | } |
2832 | ||
2833 | ||
152cff6b | 2834 | static void wpas_prov_disc_resp(void *ctx, const u8 *peer, u16 config_methods) |
b22128ef JM |
2835 | { |
2836 | struct wpa_supplicant *wpa_s = ctx; | |
bbeee9b0 | 2837 | unsigned int generated_pin = 0; |
0918c4bf | 2838 | char params[20]; |
bbeee9b0 | 2839 | |
c1931635 JM |
2840 | if (wpa_s->pending_pd_before_join && |
2841 | (os_memcmp(peer, wpa_s->pending_join_dev_addr, ETH_ALEN) == 0 || | |
2842 | os_memcmp(peer, wpa_s->pending_join_iface_addr, ETH_ALEN) == 0)) { | |
2843 | wpa_s->pending_pd_before_join = 0; | |
2844 | wpa_printf(MSG_DEBUG, "P2P: Starting pending " | |
2845 | "join-existing-group operation"); | |
23318bea | 2846 | wpas_p2p_join_start(wpa_s, 0, NULL, 0); |
c1931635 JM |
2847 | return; |
2848 | } | |
2849 | ||
0918c4bf JM |
2850 | if (wpa_s->pending_pd_use == AUTO_PD_JOIN || |
2851 | wpa_s->pending_pd_use == AUTO_PD_GO_NEG) | |
2852 | os_snprintf(params, sizeof(params), " peer_go=%d", | |
2853 | wpa_s->pending_pd_use == AUTO_PD_JOIN); | |
2854 | else | |
2855 | params[0] = '\0'; | |
2856 | ||
b22128ef | 2857 | if (config_methods & WPS_CONFIG_DISPLAY) |
0918c4bf | 2858 | wpas_prov_disc_local_keypad(wpa_s, peer, params); |
bbeee9b0 JB |
2859 | else if (config_methods & WPS_CONFIG_KEYPAD) { |
2860 | generated_pin = wps_generate_pin(); | |
0918c4bf JM |
2861 | wpas_prov_disc_local_display(wpa_s, peer, params, |
2862 | generated_pin); | |
bbeee9b0 | 2863 | } else if (config_methods & WPS_CONFIG_PUSHBUTTON) |
92c4465b JM |
2864 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_PBC_RESP |
2865 | MACSTR "%s", MAC2STR(peer), params); | |
a482883f | 2866 | |
dd8a7e05 JB |
2867 | wpas_notify_p2p_provision_discovery(wpa_s, peer, 0 /* response */, |
2868 | P2P_PROV_DISC_SUCCESS, | |
2869 | config_methods, generated_pin); | |
b22128ef JM |
2870 | } |
2871 | ||
2872 | ||
19df9b07 JM |
2873 | static void wpas_prov_disc_fail(void *ctx, const u8 *peer, |
2874 | enum p2p_prov_disc_status status) | |
dd8a7e05 JB |
2875 | { |
2876 | struct wpa_supplicant *wpa_s = ctx; | |
2877 | ||
aa9bb764 JM |
2878 | if (wpa_s->p2p_fallback_to_go_neg) { |
2879 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: PD for p2p_connect-auto " | |
2880 | "failed - fall back to GO Negotiation"); | |
2881 | wpas_p2p_fallback_to_go_neg(wpa_s, 0); | |
2882 | return; | |
2883 | } | |
2884 | ||
175171ac JM |
2885 | if (status == P2P_PROV_DISC_TIMEOUT_JOIN) { |
2886 | wpa_s->pending_pd_before_join = 0; | |
2887 | wpa_printf(MSG_DEBUG, "P2P: Starting pending " | |
2888 | "join-existing-group operation (no ACK for PD " | |
2889 | "Req attempts)"); | |
23318bea | 2890 | wpas_p2p_join_start(wpa_s, 0, NULL, 0); |
175171ac JM |
2891 | return; |
2892 | } | |
2893 | ||
92c4465b JM |
2894 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_FAILURE |
2895 | " p2p_dev_addr=" MACSTR " status=%d", | |
2896 | MAC2STR(peer), status); | |
f65a239b | 2897 | |
dd8a7e05 JB |
2898 | wpas_notify_p2p_provision_discovery(wpa_s, peer, 0 /* response */, |
2899 | status, 0, 0); | |
2900 | } | |
2901 | ||
2902 | ||
72728c6f SL |
2903 | static int freq_included(const struct p2p_channels *channels, unsigned int freq) |
2904 | { | |
2905 | if (channels == NULL) | |
2906 | return 1; /* Assume no restrictions */ | |
2907 | return p2p_channels_includes_freq(channels, freq); | |
2908 | ||
2909 | } | |
2910 | ||
2911 | ||
b22128ef JM |
2912 | static u8 wpas_invitation_process(void *ctx, const u8 *sa, const u8 *bssid, |
2913 | const u8 *go_dev_addr, const u8 *ssid, | |
2914 | size_t ssid_len, int *go, u8 *group_bssid, | |
72728c6f | 2915 | int *force_freq, int persistent_group, |
8e9f53c3 JM |
2916 | const struct p2p_channels *channels, |
2917 | int dev_pw_id) | |
b22128ef JM |
2918 | { |
2919 | struct wpa_supplicant *wpa_s = ctx; | |
2920 | struct wpa_ssid *s; | |
b22128ef | 2921 | int res; |
ab72eb52 | 2922 | struct wpa_supplicant *grp; |
b22128ef JM |
2923 | |
2924 | if (!persistent_group) { | |
2925 | wpa_printf(MSG_DEBUG, "P2P: Invitation from " MACSTR | |
c48414af JM |
2926 | " to join an active group (SSID: %s)", |
2927 | MAC2STR(sa), wpa_ssid_txt(ssid, ssid_len)); | |
108def93 | 2928 | if (!is_zero_ether_addr(wpa_s->p2p_auth_invite) && |
131cb37c JM |
2929 | (os_memcmp(go_dev_addr, wpa_s->p2p_auth_invite, ETH_ALEN) |
2930 | == 0 || | |
2931 | os_memcmp(sa, wpa_s->p2p_auth_invite, ETH_ALEN) == 0)) { | |
108def93 JM |
2932 | wpa_printf(MSG_DEBUG, "P2P: Accept previously " |
2933 | "authorized invitation"); | |
2934 | goto accept_inv; | |
2935 | } | |
8e9f53c3 JM |
2936 | |
2937 | #ifdef CONFIG_WPS_NFC | |
2938 | if (dev_pw_id >= 0 && wpa_s->parent->p2p_nfc_tag_enabled && | |
2939 | dev_pw_id == wpa_s->parent->p2p_oob_dev_pw_id) { | |
2940 | wpa_printf(MSG_DEBUG, "P2P: Accept invitation based on local enabled NFC Tag"); | |
2941 | wpa_s->parent->p2p_wps_method = WPS_NFC; | |
2942 | wpa_s->parent->pending_join_wps_method = WPS_NFC; | |
2943 | os_memcpy(wpa_s->parent->pending_join_dev_addr, | |
2944 | go_dev_addr, ETH_ALEN); | |
2945 | os_memcpy(wpa_s->parent->pending_join_iface_addr, | |
2946 | bssid, ETH_ALEN); | |
2947 | goto accept_inv; | |
2948 | } | |
2949 | #endif /* CONFIG_WPS_NFC */ | |
2950 | ||
b22128ef JM |
2951 | /* |
2952 | * Do not accept the invitation automatically; notify user and | |
2953 | * request approval. | |
2954 | */ | |
2955 | return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE; | |
2956 | } | |
2957 | ||
ab72eb52 JM |
2958 | grp = wpas_get_p2p_group(wpa_s, ssid, ssid_len, go); |
2959 | if (grp) { | |
2960 | wpa_printf(MSG_DEBUG, "P2P: Accept invitation to already " | |
2961 | "running persistent group"); | |
2962 | if (*go) | |
2963 | os_memcpy(group_bssid, grp->own_addr, ETH_ALEN); | |
2964 | goto accept_inv; | |
2965 | } | |
2966 | ||
77e4e853 JM |
2967 | if (!is_zero_ether_addr(wpa_s->p2p_auth_invite) && |
2968 | os_memcmp(sa, wpa_s->p2p_auth_invite, ETH_ALEN) == 0) { | |
2969 | wpa_printf(MSG_DEBUG, "P2P: Accept previously initiated " | |
2970 | "invitation to re-invoke a persistent group"); | |
2971 | } else if (!wpa_s->conf->persistent_reconnect) | |
b22128ef JM |
2972 | return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE; |
2973 | ||
2974 | for (s = wpa_s->conf->ssid; s; s = s->next) { | |
2975 | if (s->disabled == 2 && | |
2976 | os_memcmp(s->bssid, go_dev_addr, ETH_ALEN) == 0 && | |
2977 | s->ssid_len == ssid_len && | |
2978 | os_memcmp(ssid, s->ssid, ssid_len) == 0) | |
2979 | break; | |
2980 | } | |
2981 | ||
2982 | if (!s) { | |
2983 | wpa_printf(MSG_DEBUG, "P2P: Invitation from " MACSTR | |
2984 | " requested reinvocation of an unknown group", | |
2985 | MAC2STR(sa)); | |
2986 | return P2P_SC_FAIL_UNKNOWN_GROUP; | |
2987 | } | |
2988 | ||
2989 | if (s->mode == WPAS_MODE_P2P_GO && !wpas_p2p_create_iface(wpa_s)) { | |
2990 | *go = 1; | |
2991 | if (wpa_s->wpa_state >= WPA_AUTHENTICATING) { | |
2992 | wpa_printf(MSG_DEBUG, "P2P: The only available " | |
2993 | "interface is already in use - reject " | |
2994 | "invitation"); | |
2995 | return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE; | |
2996 | } | |
2997 | os_memcpy(group_bssid, wpa_s->own_addr, ETH_ALEN); | |
2998 | } else if (s->mode == WPAS_MODE_P2P_GO) { | |
2999 | *go = 1; | |
3000 | if (wpas_p2p_add_group_interface(wpa_s, WPA_IF_P2P_GO) < 0) | |
3001 | { | |
3002 | wpa_printf(MSG_ERROR, "P2P: Failed to allocate a new " | |
3003 | "interface address for the group"); | |
3004 | return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE; | |
3005 | } | |
3006 | os_memcpy(group_bssid, wpa_s->pending_interface_addr, | |
3007 | ETH_ALEN); | |
3008 | } | |
3009 | ||
108def93 | 3010 | accept_inv: |
6cb27aa8 JM |
3011 | wpas_p2p_set_own_freq_preference(wpa_s, 0); |
3012 | ||
0d08efa4 IP |
3013 | /* Get one of the frequencies currently in use */ |
3014 | if (wpas_p2p_valid_oper_freqs(wpa_s, &res, 1) > 0) { | |
21e491f2 | 3015 | wpa_printf(MSG_DEBUG, "P2P: Trying to prefer a channel already used by one of the interfaces"); |
6cb27aa8 | 3016 | wpas_p2p_set_own_freq_preference(wpa_s, res); |
21e491f2 JM |
3017 | |
3018 | if (wpa_s->num_multichan_concurrent < 2 || | |
3019 | wpas_p2p_num_unused_channels(wpa_s) < 1) { | |
3020 | wpa_printf(MSG_DEBUG, "P2P: No extra channels available - trying to force channel to match a channel already used by one of the interfaces"); | |
3021 | *force_freq = res; | |
3022 | } | |
b22128ef JM |
3023 | } |
3024 | ||
0d08efa4 IP |
3025 | if (*force_freq > 0 && wpa_s->num_multichan_concurrent > 1 && |
3026 | wpas_p2p_num_unused_channels(wpa_s) > 0) { | |
72728c6f SL |
3027 | if (*go == 0) { |
3028 | /* We are the client */ | |
3029 | wpa_printf(MSG_DEBUG, "P2P: Peer was found to be " | |
3030 | "running a GO but we are capable of MCC, " | |
3031 | "figure out the best channel to use"); | |
3032 | *force_freq = 0; | |
3033 | } else if (!freq_included(channels, *force_freq)) { | |
3034 | /* We are the GO, and *force_freq is not in the | |
3035 | * intersection */ | |
3036 | wpa_printf(MSG_DEBUG, "P2P: Forced GO freq %d MHz not " | |
3037 | "in intersection but we are capable of MCC, " | |
3038 | "figure out the best channel to use", | |
3039 | *force_freq); | |
3040 | *force_freq = 0; | |
3041 | } | |
3042 | } | |
3043 | ||
b22128ef JM |
3044 | return P2P_SC_SUCCESS; |
3045 | } | |
3046 | ||
3047 | ||
3048 | static void wpas_invitation_received(void *ctx, const u8 *sa, const u8 *bssid, | |
3049 | const u8 *ssid, size_t ssid_len, | |
3050 | const u8 *go_dev_addr, u8 status, | |
3051 | int op_freq) | |
3052 | { | |
3053 | struct wpa_supplicant *wpa_s = ctx; | |
3054 | struct wpa_ssid *s; | |
3055 | ||
3056 | for (s = wpa_s->conf->ssid; s; s = s->next) { | |
3057 | if (s->disabled == 2 && | |
3058 | s->ssid_len == ssid_len && | |
3059 | os_memcmp(ssid, s->ssid, ssid_len) == 0) | |
3060 | break; | |
3061 | } | |
3062 | ||
3063 | if (status == P2P_SC_SUCCESS) { | |
3064 | wpa_printf(MSG_DEBUG, "P2P: Invitation from peer " MACSTR | |
c48414af JM |
3065 | " was accepted; op_freq=%d MHz, SSID=%s", |
3066 | MAC2STR(sa), op_freq, wpa_ssid_txt(ssid, ssid_len)); | |
b22128ef | 3067 | if (s) { |
2cd07584 | 3068 | int go = s->mode == WPAS_MODE_P2P_GO; |
b22128ef | 3069 | wpas_p2p_group_add_persistent( |
062a7c0d | 3070 | wpa_s, s, go, 0, go ? op_freq : 0, 0, 0, NULL, |
bbc6c729 | 3071 | go ? P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE : 0); |
2049af2b | 3072 | } else if (bssid) { |
67527166 | 3073 | wpa_s->user_initiated_pd = 0; |
108def93 | 3074 | wpas_p2p_join(wpa_s, bssid, go_dev_addr, |
23318bea | 3075 | wpa_s->p2p_wps_method, 0, op_freq, |
c48414af | 3076 | ssid, ssid_len); |
b22128ef JM |
3077 | } |
3078 | return; | |
3079 | } | |
3080 | ||
3081 | if (status != P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE) { | |
3082 | wpa_printf(MSG_DEBUG, "P2P: Invitation from peer " MACSTR | |
3083 | " was rejected (status %u)", MAC2STR(sa), status); | |
3084 | return; | |
3085 | } | |
3086 | ||
3087 | if (!s) { | |
3088 | if (bssid) { | |
92c4465b JM |
3089 | wpa_msg_global(wpa_s, MSG_INFO, |
3090 | P2P_EVENT_INVITATION_RECEIVED | |
3091 | "sa=" MACSTR " go_dev_addr=" MACSTR | |
3092 | " bssid=" MACSTR " unknown-network", | |
3093 | MAC2STR(sa), MAC2STR(go_dev_addr), | |
3094 | MAC2STR(bssid)); | |
b22128ef | 3095 | } else { |
92c4465b JM |
3096 | wpa_msg_global(wpa_s, MSG_INFO, |
3097 | P2P_EVENT_INVITATION_RECEIVED | |
3098 | "sa=" MACSTR " go_dev_addr=" MACSTR | |
3099 | " unknown-network", | |
3100 | MAC2STR(sa), MAC2STR(go_dev_addr)); | |
b22128ef JM |
3101 | } |
3102 | return; | |
3103 | } | |
3104 | ||
cd1e2309 | 3105 | if (s->mode == WPAS_MODE_P2P_GO && op_freq) { |
92c4465b JM |
3106 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED |
3107 | "sa=" MACSTR " persistent=%d freq=%d", | |
3108 | MAC2STR(sa), s->id, op_freq); | |
cd1e2309 | 3109 | } else { |
92c4465b JM |
3110 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED |
3111 | "sa=" MACSTR " persistent=%d", | |
3112 | MAC2STR(sa), s->id); | |
cd1e2309 | 3113 | } |
b22128ef JM |
3114 | } |
3115 | ||
3116 | ||
dbca75f8 JM |
3117 | static void wpas_remove_persistent_peer(struct wpa_supplicant *wpa_s, |
3118 | struct wpa_ssid *ssid, | |
f2c56602 | 3119 | const u8 *peer, int inv) |
dbca75f8 JM |
3120 | { |
3121 | size_t i; | |
3122 | ||
3123 | if (ssid == NULL) | |
3124 | return; | |
3125 | ||
3126 | for (i = 0; ssid->p2p_client_list && i < ssid->num_p2p_clients; i++) { | |
3127 | if (os_memcmp(ssid->p2p_client_list + i * ETH_ALEN, peer, | |
3128 | ETH_ALEN) == 0) | |
3129 | break; | |
3130 | } | |
3131 | if (i >= ssid->num_p2p_clients) { | |
3132 | if (ssid->mode != WPAS_MODE_P2P_GO && | |
3133 | os_memcmp(ssid->bssid, peer, ETH_ALEN) == 0) { | |
3134 | wpa_printf(MSG_DEBUG, "P2P: Remove persistent group %d " | |
3135 | "due to invitation result", ssid->id); | |
3136 | wpas_notify_network_removed(wpa_s, ssid); | |
3137 | wpa_config_remove_network(wpa_s->conf, ssid->id); | |
3138 | return; | |
3139 | } | |
3140 | return; /* Peer not found in client list */ | |
3141 | } | |
3142 | ||
3143 | wpa_printf(MSG_DEBUG, "P2P: Remove peer " MACSTR " from persistent " | |
f2c56602 JM |
3144 | "group %d client list%s", |
3145 | MAC2STR(peer), ssid->id, | |
3146 | inv ? " due to invitation result" : ""); | |
dbca75f8 JM |
3147 | os_memmove(ssid->p2p_client_list + i * ETH_ALEN, |
3148 | ssid->p2p_client_list + (i + 1) * ETH_ALEN, | |
3149 | (ssid->num_p2p_clients - i - 1) * ETH_ALEN); | |
3150 | ssid->num_p2p_clients--; | |
dbca75f8 JM |
3151 | if (wpa_s->parent->conf->update_config && |
3152 | wpa_config_write(wpa_s->parent->confname, wpa_s->parent->conf)) | |
3153 | wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration"); | |
dbca75f8 JM |
3154 | } |
3155 | ||
3156 | ||
3157 | static void wpas_remove_persistent_client(struct wpa_supplicant *wpa_s, | |
3158 | const u8 *peer) | |
3159 | { | |
3160 | struct wpa_ssid *ssid; | |
3161 | ||
3162 | wpa_s = wpa_s->global->p2p_invite_group; | |
3163 | if (wpa_s == NULL) | |
3164 | return; /* No known invitation group */ | |
3165 | ssid = wpa_s->current_ssid; | |
3166 | if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO || | |
3167 | !ssid->p2p_persistent_group) | |
3168 | return; /* Not operating as a GO in persistent group */ | |
3169 | ssid = wpas_p2p_get_persistent(wpa_s->parent, peer, | |
3170 | ssid->ssid, ssid->ssid_len); | |
f2c56602 | 3171 | wpas_remove_persistent_peer(wpa_s, ssid, peer, 1); |
dbca75f8 JM |
3172 | } |
3173 | ||
3174 | ||
54733624 | 3175 | static void wpas_invitation_result(void *ctx, int status, const u8 *bssid, |
dbca75f8 | 3176 | const struct p2p_channels *channels, |
dcd25d4c | 3177 | const u8 *peer, int neg_freq) |
b22128ef JM |
3178 | { |
3179 | struct wpa_supplicant *wpa_s = ctx; | |
3180 | struct wpa_ssid *ssid; | |
3181 | ||
3182 | if (bssid) { | |
92c4465b JM |
3183 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RESULT |
3184 | "status=%d " MACSTR, | |
3185 | status, MAC2STR(bssid)); | |
b22128ef | 3186 | } else { |
92c4465b JM |
3187 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RESULT |
3188 | "status=%d ", status); | |
b22128ef | 3189 | } |
5ccdf84f | 3190 | wpas_notify_p2p_invitation_result(wpa_s, status, bssid); |
b22128ef | 3191 | |
dbca75f8 JM |
3192 | wpa_printf(MSG_DEBUG, "P2P: Invitation result - status=%d peer=" MACSTR, |
3193 | status, MAC2STR(peer)); | |
3194 | if (wpa_s->pending_invite_ssid_id == -1) { | |
3195 | if (status == P2P_SC_FAIL_UNKNOWN_GROUP) | |
3196 | wpas_remove_persistent_client(wpa_s, peer); | |
706887fc | 3197 | return; /* Invitation to active group */ |
dbca75f8 | 3198 | } |
706887fc | 3199 | |
77e4e853 JM |
3200 | if (status == P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE) { |
3201 | wpa_printf(MSG_DEBUG, "P2P: Waiting for peer to start another " | |
3202 | "invitation exchange to indicate readiness for " | |
3203 | "re-invocation"); | |
3204 | } | |
3205 | ||
b22128ef | 3206 | if (status != P2P_SC_SUCCESS) { |
dbca75f8 JM |
3207 | if (status == P2P_SC_FAIL_UNKNOWN_GROUP) { |
3208 | ssid = wpa_config_get_network( | |
3209 | wpa_s->conf, wpa_s->pending_invite_ssid_id); | |
f2c56602 | 3210 | wpas_remove_persistent_peer(wpa_s, ssid, peer, 1); |
dbca75f8 | 3211 | } |
b22128ef JM |
3212 | wpas_p2p_remove_pending_group_interface(wpa_s); |
3213 | return; | |
3214 | } | |
3215 | ||
3216 | ssid = wpa_config_get_network(wpa_s->conf, | |
3217 | wpa_s->pending_invite_ssid_id); | |
3218 | if (ssid == NULL) { | |
3219 | wpa_printf(MSG_ERROR, "P2P: Could not find persistent group " | |
3220 | "data matching with invitation"); | |
3221 | return; | |
3222 | } | |
3223 | ||
13ece96f JM |
3224 | /* |
3225 | * The peer could have missed our ctrl::ack frame for Invitation | |
3226 | * Response and continue retransmitting the frame. To reduce the | |
3227 | * likelihood of the peer not getting successful TX status for the | |
3228 | * Invitation Response frame, wait a short time here before starting | |
3229 | * the persistent group so that we will remain on the current channel to | |
3230 | * acknowledge any possible retransmission from the peer. | |
3231 | */ | |
3232 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: 50 ms wait on current channel before " | |
3233 | "starting persistent group"); | |
3234 | os_sleep(0, 50000); | |
3235 | ||
b22128ef | 3236 | wpas_p2p_group_add_persistent(wpa_s, ssid, |
4d32c0c4 | 3237 | ssid->mode == WPAS_MODE_P2P_GO, |
062a7c0d MS |
3238 | wpa_s->p2p_persistent_go_freq, |
3239 | neg_freq, | |
20ea1ca4 EP |
3240 | wpa_s->p2p_go_ht40, wpa_s->p2p_go_vht, |
3241 | channels, | |
bbc6c729 JM |
3242 | ssid->mode == WPAS_MODE_P2P_GO ? |
3243 | P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE : | |
3244 | 0); | |
b22128ef JM |
3245 | } |
3246 | ||
3247 | ||
6f3bc72b JM |
3248 | static int wpas_p2p_disallowed_freq(struct wpa_global *global, |
3249 | unsigned int freq) | |
3250 | { | |
253f2e37 AH |
3251 | if (freq_range_list_includes(&global->p2p_go_avoid_freq, freq)) |
3252 | return 1; | |
af8a827b | 3253 | return freq_range_list_includes(&global->p2p_disallow_freq, freq); |
6f3bc72b JM |
3254 | } |
3255 | ||
3256 | ||
3257 | static void wpas_p2p_add_chan(struct p2p_reg_class *reg, u8 chan) | |
3258 | { | |
3259 | reg->channel[reg->channels] = chan; | |
3260 | reg->channels++; | |
3261 | } | |
3262 | ||
3263 | ||
ac8d1011 | 3264 | static int wpas_p2p_default_channels(struct wpa_supplicant *wpa_s, |
51e9f228 JM |
3265 | struct p2p_channels *chan, |
3266 | struct p2p_channels *cli_chan) | |
ac8d1011 JM |
3267 | { |
3268 | int i, cla = 0; | |
3269 | ||
51e9f228 JM |
3270 | os_memset(cli_chan, 0, sizeof(*cli_chan)); |
3271 | ||
ac8d1011 JM |
3272 | wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for 2.4 GHz " |
3273 | "band"); | |
3274 | ||
3275 | /* Operating class 81 - 2.4 GHz band channels 1..13 */ | |
3276 | chan->reg_class[cla].reg_class = 81; | |
6f3bc72b JM |
3277 | chan->reg_class[cla].channels = 0; |
3278 | for (i = 0; i < 11; i++) { | |
3279 | if (!wpas_p2p_disallowed_freq(wpa_s->global, 2412 + i * 5)) | |
3280 | wpas_p2p_add_chan(&chan->reg_class[cla], i + 1); | |
3281 | } | |
3282 | if (chan->reg_class[cla].channels) | |
3283 | cla++; | |
ac8d1011 JM |
3284 | |
3285 | wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for lower 5 GHz " | |
3286 | "band"); | |
3287 | ||
3288 | /* Operating class 115 - 5 GHz, channels 36-48 */ | |
3289 | chan->reg_class[cla].reg_class = 115; | |
6f3bc72b JM |
3290 | chan->reg_class[cla].channels = 0; |
3291 | if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 36 * 5)) | |
3292 | wpas_p2p_add_chan(&chan->reg_class[cla], 36); | |
3293 | if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 40 * 5)) | |
3294 | wpas_p2p_add_chan(&chan->reg_class[cla], 40); | |
3295 | if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 44 * 5)) | |
3296 | wpas_p2p_add_chan(&chan->reg_class[cla], 44); | |
3297 | if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 48 * 5)) | |
3298 | wpas_p2p_add_chan(&chan->reg_class[cla], 48); | |
3299 | if (chan->reg_class[cla].channels) | |
3300 | cla++; | |
ac8d1011 JM |
3301 | |
3302 | wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for higher 5 GHz " | |
3303 | "band"); | |
3304 | ||
3305 | /* Operating class 124 - 5 GHz, channels 149,153,157,161 */ | |
3306 | chan->reg_class[cla].reg_class = 124; | |
6f3bc72b JM |
3307 | chan->reg_class[cla].channels = 0; |
3308 | if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 149 * 5)) | |
3309 | wpas_p2p_add_chan(&chan->reg_class[cla], 149); | |
3310 | if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 153 * 5)) | |
3311 | wpas_p2p_add_chan(&chan->reg_class[cla], 153); | |
3312 | if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 156 * 5)) | |
3313 | wpas_p2p_add_chan(&chan->reg_class[cla], 157); | |
3314 | if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 161 * 5)) | |
3315 | wpas_p2p_add_chan(&chan->reg_class[cla], 161); | |
3316 | if (chan->reg_class[cla].channels) | |
3317 | cla++; | |
ac8d1011 JM |
3318 | |
3319 | chan->reg_classes = cla; | |
3320 | return 0; | |
3321 | } | |
3322 | ||
3323 | ||
3324 | static struct hostapd_hw_modes * get_mode(struct hostapd_hw_modes *modes, | |
3325 | u16 num_modes, | |
3326 | enum hostapd_hw_mode mode) | |
3327 | { | |
3328 | u16 i; | |
3329 | ||
3330 | for (i = 0; i < num_modes; i++) { | |
3331 | if (modes[i].mode == mode) | |
3332 | return &modes[i]; | |
3333 | } | |
3334 | ||
3335 | return NULL; | |
3336 | } | |
3337 | ||
3338 | ||
51e9f228 JM |
3339 | enum chan_allowed { |
3340 | NOT_ALLOWED, PASSIVE_ONLY, ALLOWED | |
3341 | }; | |
3342 | ||
6f3bc72b JM |
3343 | static int has_channel(struct wpa_global *global, |
3344 | struct hostapd_hw_modes *mode, u8 chan, int *flags) | |
ac8d1011 JM |
3345 | { |
3346 | int i; | |
6f3bc72b JM |
3347 | unsigned int freq; |
3348 | ||
3349 | freq = (mode->mode == HOSTAPD_MODE_IEEE80211A ? 5000 : 2407) + | |
3350 | chan * 5; | |
3351 | if (wpas_p2p_disallowed_freq(global, freq)) | |
51e9f228 | 3352 | return NOT_ALLOWED; |
ac8d1011 JM |
3353 | |
3354 | for (i = 0; i < mode->num_channels; i++) { | |
3355 | if (mode->channels[i].chan == chan) { | |
51222429 JM |
3356 | if (flags) |
3357 | *flags = mode->channels[i].flag; | |
51e9f228 JM |
3358 | if (mode->channels[i].flag & |
3359 | (HOSTAPD_CHAN_DISABLED | | |
3360 | HOSTAPD_CHAN_RADAR)) | |
3361 | return NOT_ALLOWED; | |
3362 | if (mode->channels[i].flag & | |
3363 | (HOSTAPD_CHAN_PASSIVE_SCAN | | |
3364 | HOSTAPD_CHAN_NO_IBSS)) | |
3365 | return PASSIVE_ONLY; | |
3366 | return ALLOWED; | |
ac8d1011 JM |
3367 | } |
3368 | } | |
3369 | ||
51e9f228 | 3370 | return NOT_ALLOWED; |
ac8d1011 JM |
3371 | } |
3372 | ||
3373 | ||
3374 | struct p2p_oper_class_map { | |
3375 | enum hostapd_hw_mode mode; | |
3376 | u8 op_class; | |
3377 | u8 min_chan; | |
3378 | u8 max_chan; | |
3379 | u8 inc; | |
ca9bc5b5 | 3380 | enum { BW20, BW40PLUS, BW40MINUS, BW80 } bw; |
ac8d1011 JM |
3381 | }; |
3382 | ||
931228aa RM |
3383 | static struct p2p_oper_class_map op_class[] = { |
3384 | { HOSTAPD_MODE_IEEE80211G, 81, 1, 13, 1, BW20 }, | |
931228aa RM |
3385 | #if 0 /* Do not enable HT40 on 2 GHz for now */ |
3386 | { HOSTAPD_MODE_IEEE80211G, 83, 1, 9, 1, BW40PLUS }, | |
3387 | { HOSTAPD_MODE_IEEE80211G, 84, 5, 13, 1, BW40MINUS }, | |
3388 | #endif | |
3389 | { HOSTAPD_MODE_IEEE80211A, 115, 36, 48, 4, BW20 }, | |
3390 | { HOSTAPD_MODE_IEEE80211A, 124, 149, 161, 4, BW20 }, | |
3391 | { HOSTAPD_MODE_IEEE80211A, 116, 36, 44, 8, BW40PLUS }, | |
3392 | { HOSTAPD_MODE_IEEE80211A, 117, 40, 48, 8, BW40MINUS }, | |
3393 | { HOSTAPD_MODE_IEEE80211A, 126, 149, 157, 8, BW40PLUS }, | |
3394 | { HOSTAPD_MODE_IEEE80211A, 127, 153, 161, 8, BW40MINUS }, | |
ca9bc5b5 EP |
3395 | |
3396 | /* | |
3397 | * IEEE P802.11ac/D7.0 Table E-4 actually talks about channel center | |
3398 | * frequency index 42, 58, 106, 122, 138, 155 with channel spacing of | |
3399 | * 80 MHz, but currently use the following definition for simplicity | |
3400 | * (these center frequencies are not actual channels, which makes | |
3401 | * has_channel() fail). wpas_p2p_verify_80mhz() should take care of | |
3402 | * removing invalid channels. | |
3403 | */ | |
3404 | { HOSTAPD_MODE_IEEE80211A, 128, 36, 161, 4, BW80 }, | |
931228aa RM |
3405 | { -1, 0, 0, 0, 0, BW20 } |
3406 | }; | |
3407 | ||
3408 | ||
ca9bc5b5 EP |
3409 | static int wpas_p2p_get_center_80mhz(struct wpa_supplicant *wpa_s, |
3410 | struct hostapd_hw_modes *mode, | |
3411 | u8 channel) | |
3412 | { | |
3413 | u8 center_channels[] = { 42, 58, 106, 122, 138, 155 }; | |
3414 | unsigned int i; | |
3415 | ||
3416 | if (mode->mode != HOSTAPD_MODE_IEEE80211A) | |
3417 | return 0; | |
3418 | ||
3419 | for (i = 0; i < ARRAY_SIZE(center_channels); i++) | |
3420 | /* | |
3421 | * In 80 MHz, the bandwidth "spans" 12 channels (e.g., 36-48), | |
3422 | * so the center channel is 6 channels away from the start/end. | |
3423 | */ | |
3424 | if (channel >= center_channels[i] - 6 && | |
3425 | channel <= center_channels[i] + 6) | |
3426 | return center_channels[i]; | |
3427 | ||
3428 | return 0; | |
3429 | } | |
3430 | ||
3431 | ||
3432 | static enum chan_allowed wpas_p2p_verify_80mhz(struct wpa_supplicant *wpa_s, | |
3433 | struct hostapd_hw_modes *mode, | |
3434 | u8 channel, u8 bw) | |
3435 | { | |
3436 | u8 center_chan; | |
3437 | int i, flags; | |
3438 | enum chan_allowed res, ret = ALLOWED; | |
3439 | ||
3440 | center_chan = wpas_p2p_get_center_80mhz(wpa_s, mode, channel); | |
3441 | if (!center_chan) | |
3442 | return NOT_ALLOWED; | |
3443 | if (center_chan >= 58 && center_chan <= 138) | |
3444 | return NOT_ALLOWED; /* Do not allow DFS channels for P2P */ | |
3445 | ||
3446 | /* check all the channels are available */ | |
3447 | for (i = 0; i < 4; i++) { | |
3448 | int adj_chan = center_chan - 6 + i * 4; | |
3449 | ||
3450 | res = has_channel(wpa_s->global, mode, adj_chan, &flags); | |
3451 | if (res == NOT_ALLOWED) | |
3452 | return NOT_ALLOWED; | |
3453 | if (res == PASSIVE_ONLY) | |
3454 | ret = PASSIVE_ONLY; | |
3455 | ||
3456 | if (i == 0 && !(flags & HOSTAPD_CHAN_VHT_10_70)) | |
3457 | return NOT_ALLOWED; | |
3458 | if (i == 1 && !(flags & HOSTAPD_CHAN_VHT_30_50)) | |
3459 | return NOT_ALLOWED; | |
3460 | if (i == 2 && !(flags & HOSTAPD_CHAN_VHT_50_30)) | |
3461 | return NOT_ALLOWED; | |
3462 | if (i == 3 && !(flags & HOSTAPD_CHAN_VHT_70_10)) | |
3463 | return NOT_ALLOWED; | |
3464 | } | |
3465 | ||
3466 | return ret; | |
3467 | } | |
3468 | ||
3469 | ||
51e9f228 JM |
3470 | static enum chan_allowed wpas_p2p_verify_channel(struct wpa_supplicant *wpa_s, |
3471 | struct hostapd_hw_modes *mode, | |
3472 | u8 channel, u8 bw) | |
931228aa | 3473 | { |
cbf21c7c | 3474 | int flag = 0; |
51e9f228 JM |
3475 | enum chan_allowed res, res2; |
3476 | ||
3477 | res2 = res = has_channel(wpa_s->global, mode, channel, &flag); | |
3478 | if (bw == BW40MINUS) { | |
3479 | if (!(flag & HOSTAPD_CHAN_HT40MINUS)) | |
3480 | return NOT_ALLOWED; | |
3481 | res2 = has_channel(wpa_s->global, mode, channel - 4, NULL); | |
3482 | } else if (bw == BW40PLUS) { | |
3483 | if (!(flag & HOSTAPD_CHAN_HT40PLUS)) | |
3484 | return NOT_ALLOWED; | |
3485 | res2 = has_channel(wpa_s->global, mode, channel + 4, NULL); | |
ca9bc5b5 EP |
3486 | } else if (bw == BW80) { |
3487 | res2 = wpas_p2p_verify_80mhz(wpa_s, mode, channel, bw); | |
51e9f228 JM |
3488 | } |
3489 | ||
3490 | if (res == NOT_ALLOWED || res2 == NOT_ALLOWED) | |
3491 | return NOT_ALLOWED; | |
3492 | if (res == PASSIVE_ONLY || res2 == PASSIVE_ONLY) | |
3493 | return PASSIVE_ONLY; | |
3494 | return res; | |
931228aa RM |
3495 | } |
3496 | ||
3497 | ||
b22128ef | 3498 | static int wpas_p2p_setup_channels(struct wpa_supplicant *wpa_s, |
51e9f228 JM |
3499 | struct p2p_channels *chan, |
3500 | struct p2p_channels *cli_chan) | |
b22128ef | 3501 | { |
6bf731e8 | 3502 | struct hostapd_hw_modes *mode; |
51e9f228 | 3503 | int cla, op, cli_cla; |
b22128ef | 3504 | |
6bf731e8 | 3505 | if (wpa_s->hw.modes == NULL) { |
b22128ef JM |
3506 | wpa_printf(MSG_DEBUG, "P2P: Driver did not support fetching " |
3507 | "of all supported channels; assume dualband " | |
3508 | "support"); | |
51e9f228 | 3509 | return wpas_p2p_default_channels(wpa_s, chan, cli_chan); |
b22128ef JM |
3510 | } |
3511 | ||
51e9f228 | 3512 | cla = cli_cla = 0; |
b22128ef | 3513 | |
ac8d1011 JM |
3514 | for (op = 0; op_class[op].op_class; op++) { |
3515 | struct p2p_oper_class_map *o = &op_class[op]; | |
3516 | u8 ch; | |
51e9f228 | 3517 | struct p2p_reg_class *reg = NULL, *cli_reg = NULL; |
b22128ef | 3518 | |
6bf731e8 | 3519 | mode = get_mode(wpa_s->hw.modes, wpa_s->hw.num_modes, o->mode); |
ac8d1011 JM |
3520 | if (mode == NULL) |
3521 | continue; | |
3522 | for (ch = o->min_chan; ch <= o->max_chan; ch += o->inc) { | |
51e9f228 JM |
3523 | enum chan_allowed res; |
3524 | res = wpas_p2p_verify_channel(wpa_s, mode, ch, o->bw); | |
3525 | if (res == ALLOWED) { | |
3526 | if (reg == NULL) { | |
3527 | wpa_printf(MSG_DEBUG, "P2P: Add operating class %u", | |
3528 | o->op_class); | |
3529 | reg = &chan->reg_class[cla]; | |
3530 | cla++; | |
3531 | reg->reg_class = o->op_class; | |
3532 | } | |
3533 | reg->channel[reg->channels] = ch; | |
3534 | reg->channels++; | |
3535 | } else if (res == PASSIVE_ONLY && | |
3536 | wpa_s->conf->p2p_add_cli_chan) { | |
3537 | if (cli_reg == NULL) { | |
3538 | wpa_printf(MSG_DEBUG, "P2P: Add operating class %u (client only)", | |
3539 | o->op_class); | |
3540 | cli_reg = &cli_chan->reg_class[cli_cla]; | |
3541 | cli_cla++; | |
3542 | cli_reg->reg_class = o->op_class; | |
3543 | } | |
3544 | cli_reg->channel[cli_reg->channels] = ch; | |
3545 | cli_reg->channels++; | |
ac8d1011 | 3546 | } |
ac8d1011 JM |
3547 | } |
3548 | if (reg) { | |
3549 | wpa_hexdump(MSG_DEBUG, "P2P: Channels", | |
3550 | reg->channel, reg->channels); | |
3551 | } | |
51e9f228 JM |
3552 | if (cli_reg) { |
3553 | wpa_hexdump(MSG_DEBUG, "P2P: Channels (client only)", | |
3554 | cli_reg->channel, cli_reg->channels); | |
3555 | } | |
b22128ef JM |
3556 | } |
3557 | ||
ac8d1011 | 3558 | chan->reg_classes = cla; |
51e9f228 | 3559 | cli_chan->reg_classes = cli_cla; |
b22128ef | 3560 | |
b22128ef JM |
3561 | return 0; |
3562 | } | |
3563 | ||
3564 | ||
7aeac985 RM |
3565 | int wpas_p2p_get_ht40_mode(struct wpa_supplicant *wpa_s, |
3566 | struct hostapd_hw_modes *mode, u8 channel) | |
3567 | { | |
51e9f228 JM |
3568 | int op; |
3569 | enum chan_allowed ret; | |
7aeac985 RM |
3570 | |
3571 | for (op = 0; op_class[op].op_class; op++) { | |
3572 | struct p2p_oper_class_map *o = &op_class[op]; | |
3573 | u8 ch; | |
3574 | ||
3575 | for (ch = o->min_chan; ch <= o->max_chan; ch += o->inc) { | |
3576 | if (o->mode != HOSTAPD_MODE_IEEE80211A || | |
3577 | o->bw == BW20 || ch != channel) | |
3578 | continue; | |
3579 | ret = wpas_p2p_verify_channel(wpa_s, mode, ch, o->bw); | |
51e9f228 | 3580 | if (ret == ALLOWED) |
7aeac985 | 3581 | return (o->bw == BW40MINUS) ? -1 : 1; |
7aeac985 RM |
3582 | } |
3583 | } | |
3584 | return 0; | |
3585 | } | |
3586 | ||
3587 | ||
ca9bc5b5 EP |
3588 | int wpas_p2p_get_vht80_center(struct wpa_supplicant *wpa_s, |
3589 | struct hostapd_hw_modes *mode, u8 channel) | |
3590 | { | |
3591 | if (!wpas_p2p_verify_channel(wpa_s, mode, channel, BW80)) | |
3592 | return 0; | |
3593 | ||
3594 | return wpas_p2p_get_center_80mhz(wpa_s, mode, channel); | |
3595 | } | |
3596 | ||
3597 | ||
b22128ef JM |
3598 | static int wpas_get_noa(void *ctx, const u8 *interface_addr, u8 *buf, |
3599 | size_t buf_len) | |
3600 | { | |
3601 | struct wpa_supplicant *wpa_s = ctx; | |
3602 | ||
3603 | for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) { | |
3604 | if (os_memcmp(wpa_s->own_addr, interface_addr, ETH_ALEN) == 0) | |
3605 | break; | |
3606 | } | |
3607 | if (wpa_s == NULL) | |
3608 | return -1; | |
3609 | ||
3610 | return wpa_drv_get_noa(wpa_s, buf, buf_len); | |
3611 | } | |
3612 | ||
3613 | ||
b1aebbc4 JM |
3614 | static int wpas_go_connected(void *ctx, const u8 *dev_addr) |
3615 | { | |
3616 | struct wpa_supplicant *wpa_s = ctx; | |
3617 | ||
3618 | for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) { | |
3619 | struct wpa_ssid *ssid = wpa_s->current_ssid; | |
3620 | if (ssid == NULL) | |
3621 | continue; | |
3622 | if (ssid->mode != WPAS_MODE_INFRA) | |
3623 | continue; | |
d9a0f666 PN |
3624 | if (wpa_s->wpa_state != WPA_COMPLETED && |
3625 | wpa_s->wpa_state != WPA_GROUP_HANDSHAKE) | |
b1aebbc4 JM |
3626 | continue; |
3627 | if (os_memcmp(wpa_s->go_dev_addr, dev_addr, ETH_ALEN) == 0) | |
3628 | return 1; | |
3629 | } | |
3630 | ||
3631 | return 0; | |
3632 | } | |
3633 | ||
3634 | ||
a2d63657 RR |
3635 | static int wpas_is_concurrent_session_active(void *ctx) |
3636 | { | |
3637 | struct wpa_supplicant *wpa_s = ctx; | |
3638 | struct wpa_supplicant *ifs; | |
3639 | ||
3640 | for (ifs = wpa_s->global->ifaces; ifs; ifs = ifs->next) { | |
3641 | if (ifs == wpa_s) | |
3642 | continue; | |
3643 | if (ifs->wpa_state > WPA_ASSOCIATED) | |
3644 | return 1; | |
3645 | } | |
3646 | return 0; | |
3647 | } | |
3648 | ||
3649 | ||
ed496f13 JM |
3650 | static void wpas_p2p_debug_print(void *ctx, int level, const char *msg) |
3651 | { | |
3652 | struct wpa_supplicant *wpa_s = ctx; | |
92c4465b | 3653 | wpa_msg_global(wpa_s, level, "P2P: %s", msg); |
ed496f13 JM |
3654 | } |
3655 | ||
3656 | ||
c68f6200 AS |
3657 | int wpas_p2p_add_p2pdev_interface(struct wpa_supplicant *wpa_s) |
3658 | { | |
3659 | struct wpa_interface iface; | |
3660 | struct wpa_supplicant *p2pdev_wpa_s; | |
3661 | char ifname[100]; | |
3662 | char force_name[100]; | |
3663 | int ret; | |
3664 | ||
2e5ba4b6 AS |
3665 | os_snprintf(ifname, sizeof(ifname), P2P_MGMT_DEVICE_PREFIX "%s", |
3666 | wpa_s->ifname); | |
c68f6200 AS |
3667 | force_name[0] = '\0'; |
3668 | wpa_s->pending_interface_type = WPA_IF_P2P_DEVICE; | |
3669 | ret = wpa_drv_if_add(wpa_s, WPA_IF_P2P_DEVICE, ifname, NULL, NULL, | |
3670 | force_name, wpa_s->pending_interface_addr, NULL); | |
3671 | if (ret < 0) { | |
3672 | wpa_printf(MSG_DEBUG, "P2P: Failed to create P2P Device interface"); | |
3673 | return ret; | |
3674 | } | |
3675 | os_strlcpy(wpa_s->pending_interface_name, ifname, | |
3676 | sizeof(wpa_s->pending_interface_name)); | |
3677 | ||
3678 | os_memset(&iface, 0, sizeof(iface)); | |
3679 | iface.p2p_mgmt = 1; | |
3680 | iface.ifname = wpa_s->pending_interface_name; | |
3681 | iface.driver = wpa_s->driver->name; | |
c68f6200 | 3682 | iface.driver_param = wpa_s->conf->driver_param; |
c16a7590 IP |
3683 | |
3684 | /* | |
3685 | * If a P2P Device configuration file was given, use it as the interface | |
3686 | * configuration file (instead of using parent's configuration file. | |
3687 | */ | |
3688 | if (wpa_s->conf_p2p_dev) { | |
3689 | iface.confname = wpa_s->conf_p2p_dev; | |
3690 | iface.ctrl_interface = NULL; | |
3691 | } else { | |
3692 | iface.confname = wpa_s->confname; | |
3693 | iface.ctrl_interface = wpa_s->conf->ctrl_interface; | |
3694 | } | |
3695 | iface.conf_p2p_dev = NULL; | |
3696 | ||
c68f6200 AS |
3697 | p2pdev_wpa_s = wpa_supplicant_add_iface(wpa_s->global, &iface); |
3698 | if (!p2pdev_wpa_s) { | |
3699 | wpa_printf(MSG_DEBUG, "P2P: Failed to add P2P Device interface"); | |
3700 | return -1; | |
3701 | } | |
78f79fe5 | 3702 | p2pdev_wpa_s->parent = wpa_s; |
c68f6200 AS |
3703 | |
3704 | wpa_s->pending_interface_name[0] = '\0'; | |
3705 | return 0; | |
3706 | } | |
3707 | ||
3708 | ||
c64e3a08 JM |
3709 | static void wpas_presence_resp(void *ctx, const u8 *src, u8 status, |
3710 | const u8 *noa, size_t noa_len) | |
3711 | { | |
3712 | struct wpa_supplicant *wpa_s, *intf = ctx; | |
3713 | char hex[100]; | |
3714 | ||
3715 | for (wpa_s = intf->global->ifaces; wpa_s; wpa_s = wpa_s->next) { | |
3716 | if (wpa_s->waiting_presence_resp) | |
3717 | break; | |
3718 | } | |
3719 | if (!wpa_s) { | |
3720 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: No group interface was waiting for presence response"); | |
3721 | return; | |
3722 | } | |
3723 | wpa_s->waiting_presence_resp = 0; | |
3724 | ||
3725 | wpa_snprintf_hex(hex, sizeof(hex), noa, noa_len); | |
3726 | wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PRESENCE_RESPONSE "src=" MACSTR | |
3727 | " status=%u noa=%s", MAC2STR(src), status, hex); | |
3728 | } | |
3729 | ||
3730 | ||
b22128ef JM |
3731 | /** |
3732 | * wpas_p2p_init - Initialize P2P module for %wpa_supplicant | |
3733 | * @global: Pointer to global data from wpa_supplicant_init() | |
3734 | * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface() | |
3735 | * Returns: 0 on success, -1 on failure | |
3736 | */ | |
3737 | int wpas_p2p_init(struct wpa_global *global, struct wpa_supplicant *wpa_s) | |
3738 | { | |
3739 | struct p2p_config p2p; | |
3740 | unsigned int r; | |
f95cac27 | 3741 | int i; |
b22128ef | 3742 | |
f2b3f4de SS |
3743 | if (wpa_s->conf->p2p_disabled) |
3744 | return 0; | |
3745 | ||
b22128ef JM |
3746 | if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE)) |
3747 | return 0; | |
3748 | ||
b22128ef JM |
3749 | if (global->p2p) |
3750 | return 0; | |
3751 | ||
3752 | os_memset(&p2p, 0, sizeof(p2p)); | |
b22128ef | 3753 | p2p.cb_ctx = wpa_s; |
ed496f13 | 3754 | p2p.debug_print = wpas_p2p_debug_print; |
b22128ef JM |
3755 | p2p.p2p_scan = wpas_p2p_scan; |
3756 | p2p.send_action = wpas_send_action; | |
3757 | p2p.send_action_done = wpas_send_action_done; | |
3758 | p2p.go_neg_completed = wpas_go_neg_completed; | |
3759 | p2p.go_neg_req_rx = wpas_go_neg_req_rx; | |
3760 | p2p.dev_found = wpas_dev_found; | |
56eeb8f2 | 3761 | p2p.dev_lost = wpas_dev_lost; |
710ae9ac | 3762 | p2p.find_stopped = wpas_find_stopped; |
b22128ef JM |
3763 | p2p.start_listen = wpas_start_listen; |
3764 | p2p.stop_listen = wpas_stop_listen; | |
3765 | p2p.send_probe_resp = wpas_send_probe_resp; | |
3766 | p2p.sd_request = wpas_sd_request; | |
3767 | p2p.sd_response = wpas_sd_response; | |
3768 | p2p.prov_disc_req = wpas_prov_disc_req; | |
3769 | p2p.prov_disc_resp = wpas_prov_disc_resp; | |
dd8a7e05 | 3770 | p2p.prov_disc_fail = wpas_prov_disc_fail; |
b22128ef JM |
3771 | p2p.invitation_process = wpas_invitation_process; |
3772 | p2p.invitation_received = wpas_invitation_received; | |
3773 | p2p.invitation_result = wpas_invitation_result; | |
3774 | p2p.get_noa = wpas_get_noa; | |
b1aebbc4 | 3775 | p2p.go_connected = wpas_go_connected; |
c64e3a08 | 3776 | p2p.presence_resp = wpas_presence_resp; |
a2d63657 | 3777 | p2p.is_concurrent_session_active = wpas_is_concurrent_session_active; |
b22128ef JM |
3778 | |
3779 | os_memcpy(wpa_s->global->p2p_dev_addr, wpa_s->own_addr, ETH_ALEN); | |
d7e70476 | 3780 | os_memcpy(p2p.dev_addr, wpa_s->global->p2p_dev_addr, ETH_ALEN); |
b22128ef | 3781 | p2p.dev_name = wpa_s->conf->device_name; |
b6e01800 JM |
3782 | p2p.manufacturer = wpa_s->conf->manufacturer; |
3783 | p2p.model_name = wpa_s->conf->model_name; | |
3784 | p2p.model_number = wpa_s->conf->model_number; | |
3785 | p2p.serial_number = wpa_s->conf->serial_number; | |
3786 | if (wpa_s->wps) { | |
3787 | os_memcpy(p2p.uuid, wpa_s->wps->uuid, 16); | |
3788 | p2p.config_methods = wpa_s->wps->config_methods; | |
3789 | } | |
b22128ef JM |
3790 | |
3791 | if (wpa_s->conf->p2p_listen_reg_class && | |
3792 | wpa_s->conf->p2p_listen_channel) { | |
3793 | p2p.reg_class = wpa_s->conf->p2p_listen_reg_class; | |
3794 | p2p.channel = wpa_s->conf->p2p_listen_channel; | |
3795 | } else { | |
3796 | p2p.reg_class = 81; | |
3797 | /* | |
3798 | * Pick one of the social channels randomly as the listen | |
3799 | * channel. | |
3800 | */ | |
3801 | os_get_random((u8 *) &r, sizeof(r)); | |
3802 | p2p.channel = 1 + (r % 3) * 5; | |
3803 | } | |
7cfc4ac3 | 3804 | wpa_printf(MSG_DEBUG, "P2P: Own listen channel: %d", p2p.channel); |
b22128ef JM |
3805 | |
3806 | if (wpa_s->conf->p2p_oper_reg_class && | |
3807 | wpa_s->conf->p2p_oper_channel) { | |
3808 | p2p.op_reg_class = wpa_s->conf->p2p_oper_reg_class; | |
3809 | p2p.op_channel = wpa_s->conf->p2p_oper_channel; | |
7cfc4ac3 AGS |
3810 | p2p.cfg_op_channel = 1; |
3811 | wpa_printf(MSG_DEBUG, "P2P: Configured operating channel: " | |
3812 | "%d:%d", p2p.op_reg_class, p2p.op_channel); | |
3813 | ||
b22128ef JM |
3814 | } else { |
3815 | p2p.op_reg_class = 81; | |
3816 | /* | |
7cfc4ac3 AGS |
3817 | * Use random operation channel from (1, 6, 11) if no other |
3818 | * preference is indicated. | |
b22128ef | 3819 | */ |
b7412dab | 3820 | os_get_random((u8 *) &r, sizeof(r)); |
7cfc4ac3 AGS |
3821 | p2p.op_channel = 1 + (r % 3) * 5; |
3822 | p2p.cfg_op_channel = 0; | |
3823 | wpa_printf(MSG_DEBUG, "P2P: Random operating channel: " | |
3824 | "%d:%d", p2p.op_reg_class, p2p.op_channel); | |
b22128ef | 3825 | } |
010b5f9b YW |
3826 | |
3827 | if (wpa_s->conf->p2p_pref_chan && wpa_s->conf->num_p2p_pref_chan) { | |
3828 | p2p.pref_chan = wpa_s->conf->p2p_pref_chan; | |
3829 | p2p.num_pref_chan = wpa_s->conf->num_p2p_pref_chan; | |
3830 | } | |
3831 | ||
b22128ef JM |
3832 | if (wpa_s->conf->country[0] && wpa_s->conf->country[1]) { |
3833 | os_memcpy(p2p.country, wpa_s->conf->country, 2); | |
3834 | p2p.country[2] = 0x04; | |
3835 | } else | |
aaca6505 | 3836 | os_memcpy(p2p.country, "XX\x04", 3); |
b22128ef | 3837 | |
51e9f228 | 3838 | if (wpas_p2p_setup_channels(wpa_s, &p2p.channels, &p2p.cli_channels)) { |
b22128ef JM |
3839 | wpa_printf(MSG_ERROR, "P2P: Failed to configure supported " |
3840 | "channel list"); | |
3841 | return -1; | |
3842 | } | |
3843 | ||
2f646b6e JB |
3844 | os_memcpy(p2p.pri_dev_type, wpa_s->conf->device_type, |
3845 | WPS_DEV_TYPE_LEN); | |
b22128ef | 3846 | |
2f646b6e JB |
3847 | p2p.num_sec_dev_types = wpa_s->conf->num_sec_device_types; |
3848 | os_memcpy(p2p.sec_dev_type, wpa_s->conf->sec_device_type, | |
3849 | p2p.num_sec_dev_types * WPS_DEV_TYPE_LEN); | |
b22128ef JM |
3850 | |
3851 | p2p.concurrent_operations = !!(wpa_s->drv_flags & | |
3852 | WPA_DRIVER_FLAGS_P2P_CONCURRENT); | |
3853 | ||
de979d8f | 3854 | p2p.max_peers = 100; |
b22128ef JM |
3855 | |
3856 | if (wpa_s->conf->p2p_ssid_postfix) { | |
3857 | p2p.ssid_postfix_len = | |
3858 | os_strlen(wpa_s->conf->p2p_ssid_postfix); | |
3859 | if (p2p.ssid_postfix_len > sizeof(p2p.ssid_postfix)) | |
3860 | p2p.ssid_postfix_len = sizeof(p2p.ssid_postfix); | |
3861 | os_memcpy(p2p.ssid_postfix, wpa_s->conf->p2p_ssid_postfix, | |
3862 | p2p.ssid_postfix_len); | |
3863 | } | |
3864 | ||
0f66abd2 SS |
3865 | p2p.p2p_intra_bss = wpa_s->conf->p2p_intra_bss; |
3866 | ||
96beff11 JM |
3867 | p2p.max_listen = wpa_s->max_remain_on_chan; |
3868 | ||
b22128ef JM |
3869 | global->p2p = p2p_init(&p2p); |
3870 | if (global->p2p == NULL) | |
3871 | return -1; | |
ab28911d | 3872 | global->p2p_init_wpa_s = wpa_s; |
b22128ef | 3873 | |
f95cac27 JMB |
3874 | for (i = 0; i < MAX_WPS_VENDOR_EXT; i++) { |
3875 | if (wpa_s->conf->wps_vendor_ext[i] == NULL) | |
3876 | continue; | |
3877 | p2p_add_wps_vendor_extension( | |
3878 | global->p2p, wpa_s->conf->wps_vendor_ext[i]); | |
3879 | } | |
3880 | ||
556b30da JM |
3881 | p2p_set_no_go_freq(global->p2p, &wpa_s->conf->p2p_no_go_freq); |
3882 | ||
b22128ef JM |
3883 | return 0; |
3884 | } | |
3885 | ||
3886 | ||
3887 | /** | |
3888 | * wpas_p2p_deinit - Deinitialize per-interface P2P data | |
3889 | * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface() | |
3890 | * | |
3891 | * This function deinitialize per-interface P2P data. | |
3892 | */ | |
3893 | void wpas_p2p_deinit(struct wpa_supplicant *wpa_s) | |
3894 | { | |
3895 | if (wpa_s->driver && wpa_s->drv_priv) | |
3896 | wpa_drv_probe_req_report(wpa_s, 0); | |
ec437d9e JJ |
3897 | |
3898 | if (wpa_s->go_params) { | |
3899 | /* Clear any stored provisioning info */ | |
3900 | p2p_clear_provisioning_info( | |
3901 | wpa_s->global->p2p, | |
10531d21 | 3902 | wpa_s->go_params->peer_device_addr); |
ec437d9e JJ |
3903 | } |
3904 | ||
b22128ef JM |
3905 | os_free(wpa_s->go_params); |
3906 | wpa_s->go_params = NULL; | |
b22128ef | 3907 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL); |
ef922c4a | 3908 | eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL); |
b22128ef JM |
3909 | wpa_s->p2p_long_listen = 0; |
3910 | eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL); | |
3071e181 | 3911 | eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL); |
b22128ef | 3912 | wpas_p2p_remove_pending_group_interface(wpa_s); |
8567866d | 3913 | eloop_cancel_timeout(wpas_p2p_group_freq_conflict, wpa_s, NULL); |
e1d1c8e2 | 3914 | wpas_p2p_listen_work_done(wpa_s); |
e05e1308 JM |
3915 | if (wpa_s->p2p_send_action_work) { |
3916 | os_free(wpa_s->p2p_send_action_work->ctx); | |
3917 | radio_work_done(wpa_s->p2p_send_action_work); | |
3918 | wpa_s->p2p_send_action_work = NULL; | |
3919 | } | |
3920 | eloop_cancel_timeout(wpas_p2p_send_action_work_timeout, wpa_s, NULL); | |
b22128ef | 3921 | |
db6ae69e JM |
3922 | wpabuf_free(wpa_s->p2p_oob_dev_pw); |
3923 | wpa_s->p2p_oob_dev_pw = NULL; | |
3924 | ||
b22128ef JM |
3925 | /* TODO: remove group interface from the driver if this wpa_s instance |
3926 | * is on top of a P2P group interface */ | |
3927 | } | |
3928 | ||
3929 | ||
3930 | /** | |
3931 | * wpas_p2p_deinit_global - Deinitialize global P2P module | |
3932 | * @global: Pointer to global data from wpa_supplicant_init() | |
3933 | * | |
3934 | * This function deinitializes the global (per device) P2P module. | |
3935 | */ | |
3936 | void wpas_p2p_deinit_global(struct wpa_global *global) | |
3937 | { | |
3938 | struct wpa_supplicant *wpa_s, *tmp; | |
b22128ef | 3939 | |
bf428a73 JM |
3940 | wpa_s = global->ifaces; |
3941 | if (wpa_s) | |
3942 | wpas_p2p_service_flush(wpa_s); | |
3943 | ||
b22128ef JM |
3944 | if (global->p2p == NULL) |
3945 | return; | |
3946 | ||
3947 | /* Remove remaining P2P group interfaces */ | |
b22128ef JM |
3948 | while (wpa_s && wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE) |
3949 | wpa_s = wpa_s->next; | |
3950 | while (wpa_s) { | |
b22128ef JM |
3951 | tmp = global->ifaces; |
3952 | while (tmp && | |
3953 | (tmp == wpa_s || | |
3954 | tmp->p2p_group_interface == NOT_P2P_GROUP_INTERFACE)) { | |
3955 | tmp = tmp->next; | |
3956 | } | |
3957 | if (tmp == NULL) | |
3958 | break; | |
103b8f4d NS |
3959 | /* Disconnect from the P2P group and deinit the interface */ |
3960 | wpas_p2p_disconnect(tmp); | |
b22128ef JM |
3961 | } |
3962 | ||
743ef799 JM |
3963 | /* |
3964 | * Deinit GO data on any possibly remaining interface (if main | |
3965 | * interface is used as GO). | |
3966 | */ | |
3967 | for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) { | |
3968 | if (wpa_s->ap_iface) | |
3969 | wpas_p2p_group_deinit(wpa_s); | |
3970 | } | |
3971 | ||
b22128ef JM |
3972 | p2p_deinit(global->p2p); |
3973 | global->p2p = NULL; | |
ab28911d | 3974 | global->p2p_init_wpa_s = NULL; |
b22128ef JM |
3975 | } |
3976 | ||
3977 | ||
3978 | static int wpas_p2p_create_iface(struct wpa_supplicant *wpa_s) | |
3979 | { | |
bb4028f1 AS |
3980 | if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE) && |
3981 | wpa_s->conf->p2p_no_group_iface) | |
d76cd41a | 3982 | return 0; /* separate interface disabled per configuration */ |
971e357f JM |
3983 | if (wpa_s->drv_flags & |
3984 | (WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE | | |
3985 | WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P)) | |
b22128ef JM |
3986 | return 1; /* P2P group requires a new interface in every case |
3987 | */ | |
3988 | if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CONCURRENT)) | |
3989 | return 0; /* driver does not support concurrent operations */ | |
3990 | if (wpa_s->global->ifaces->next) | |
3991 | return 1; /* more that one interface already in use */ | |
3992 | if (wpa_s->wpa_state >= WPA_AUTHENTICATING) | |
3993 | return 1; /* this interface is already in use */ | |
3994 | return 0; | |
3995 | } | |
3996 | ||
3997 | ||
3998 | static int wpas_p2p_start_go_neg(struct wpa_supplicant *wpa_s, | |
3999 | const u8 *peer_addr, | |
4000 | enum p2p_wps_method wps_method, | |
4001 | int go_intent, const u8 *own_interface_addr, | |
23c84252 | 4002 | unsigned int force_freq, int persistent_group, |
04a3e69d | 4003 | struct wpa_ssid *ssid, unsigned int pref_freq) |
b22128ef | 4004 | { |
acc247b2 JM |
4005 | if (persistent_group && wpa_s->conf->persistent_reconnect) |
4006 | persistent_group = 2; | |
4007 | ||
4f219667 JM |
4008 | /* |
4009 | * Increase GO config timeout if HT40 is used since it takes some time | |
4010 | * to scan channels for coex purposes before the BSS can be started. | |
4011 | */ | |
4012 | p2p_set_config_timeout(wpa_s->global->p2p, | |
4013 | wpa_s->p2p_go_ht40 ? 255 : 100, 20); | |
4014 | ||
b22128ef JM |
4015 | return p2p_connect(wpa_s->global->p2p, peer_addr, wps_method, |
4016 | go_intent, own_interface_addr, force_freq, | |
23c84252 | 4017 | persistent_group, ssid ? ssid->ssid : NULL, |
3bc462cb | 4018 | ssid ? ssid->ssid_len : 0, |
db6ae69e JM |
4019 | wpa_s->p2p_pd_before_go_neg, pref_freq, |
4020 | wps_method == WPS_NFC ? wpa_s->p2p_oob_dev_pw_id : | |
4021 | 0); | |
b22128ef JM |
4022 | } |
4023 | ||
4024 | ||
4025 | static int wpas_p2p_auth_go_neg(struct wpa_supplicant *wpa_s, | |
4026 | const u8 *peer_addr, | |
4027 | enum p2p_wps_method wps_method, | |
4028 | int go_intent, const u8 *own_interface_addr, | |
23c84252 | 4029 | unsigned int force_freq, int persistent_group, |
04a3e69d | 4030 | struct wpa_ssid *ssid, unsigned int pref_freq) |
b22128ef | 4031 | { |
acc247b2 JM |
4032 | if (persistent_group && wpa_s->conf->persistent_reconnect) |
4033 | persistent_group = 2; | |
4034 | ||
b22128ef JM |
4035 | return p2p_authorize(wpa_s->global->p2p, peer_addr, wps_method, |
4036 | go_intent, own_interface_addr, force_freq, | |
23c84252 | 4037 | persistent_group, ssid ? ssid->ssid : NULL, |
db6ae69e JM |
4038 | ssid ? ssid->ssid_len : 0, pref_freq, |
4039 | wps_method == WPS_NFC ? wpa_s->p2p_oob_dev_pw_id : | |
4040 | 0); | |
b22128ef JM |
4041 | } |
4042 | ||
4043 | ||
9b1ab931 JM |
4044 | static void wpas_p2p_check_join_scan_limit(struct wpa_supplicant *wpa_s) |
4045 | { | |
4046 | wpa_s->p2p_join_scan_count++; | |
4047 | wpa_printf(MSG_DEBUG, "P2P: Join scan attempt %d", | |
4048 | wpa_s->p2p_join_scan_count); | |
4049 | if (wpa_s->p2p_join_scan_count > P2P_MAX_JOIN_SCAN_ATTEMPTS) { | |
4050 | wpa_printf(MSG_DEBUG, "P2P: Failed to find GO " MACSTR | |
4051 | " for join operationg - stop join attempt", | |
4052 | MAC2STR(wpa_s->pending_join_iface_addr)); | |
4053 | eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL); | |
0918c4bf JM |
4054 | if (wpa_s->p2p_auto_pd) { |
4055 | wpa_s->p2p_auto_pd = 0; | |
92c4465b JM |
4056 | wpa_msg_global(wpa_s, MSG_INFO, |
4057 | P2P_EVENT_PROV_DISC_FAILURE | |
4058 | " p2p_dev_addr=" MACSTR " status=N/A", | |
4059 | MAC2STR(wpa_s->pending_join_dev_addr)); | |
0918c4bf JM |
4060 | return; |
4061 | } | |
92c4465b JM |
4062 | wpa_msg_global(wpa_s->parent, MSG_INFO, |
4063 | P2P_EVENT_GROUP_FORMATION_FAILURE); | |
9b1ab931 JM |
4064 | } |
4065 | } | |
4066 | ||
4067 | ||
4b156206 JM |
4068 | static int wpas_check_freq_conflict(struct wpa_supplicant *wpa_s, int freq) |
4069 | { | |
0d08efa4 | 4070 | int *freqs, res, num, i; |
4b156206 | 4071 | |
0d08efa4 IP |
4072 | if (wpas_p2p_num_unused_channels(wpa_s) > 0) { |
4073 | /* Multiple channels are supported and not all are in use */ | |
4b156206 | 4074 | return 0; |
0d08efa4 | 4075 | } |
4b156206 | 4076 | |
0d08efa4 IP |
4077 | freqs = os_calloc(wpa_s->num_multichan_concurrent, sizeof(int)); |
4078 | if (!freqs) | |
4079 | return 1; | |
86ae2e8a | 4080 | |
0d08efa4 IP |
4081 | num = wpas_p2p_valid_oper_freqs(wpa_s, freqs, |
4082 | wpa_s->num_multichan_concurrent); | |
4083 | if (num < 0) { | |
4084 | res = 1; | |
4085 | goto exit_free; | |
4b156206 JM |
4086 | } |
4087 | ||
0d08efa4 IP |
4088 | for (i = 0; i < num; i++) { |
4089 | if (freqs[i] == freq) { | |
4090 | wpa_printf(MSG_DEBUG, "P2P: Frequency %d MHz in use by another virtual interface and can be used", | |
4091 | freq); | |
4092 | res = 0; | |
4093 | goto exit_free; | |
4094 | } | |
4b156206 JM |
4095 | } |
4096 | ||
0d08efa4 IP |
4097 | res = 1; |
4098 | ||
4099 | exit_free: | |
4100 | os_free(freqs); | |
4101 | return res; | |
4b156206 JM |
4102 | } |
4103 | ||
4104 | ||
b31be3a0 JM |
4105 | static int wpas_p2p_peer_go(struct wpa_supplicant *wpa_s, |
4106 | const u8 *peer_dev_addr) | |
4107 | { | |
4108 | struct wpa_bss *bss; | |
4109 | int updated; | |
4110 | ||
4111 | bss = wpa_bss_get_p2p_dev_addr(wpa_s, peer_dev_addr); | |
4112 | if (bss == NULL) | |
aa9bb764 | 4113 | return -1; |
b31be3a0 JM |
4114 | if (bss->last_update_idx < wpa_s->bss_update_idx) { |
4115 | wpa_printf(MSG_DEBUG, "P2P: Peer BSS entry not updated in the " | |
4116 | "last scan"); | |
4117 | return 0; | |
4118 | } | |
4119 | ||
acb69cec JB |
4120 | updated = os_reltime_before(&wpa_s->p2p_auto_started, |
4121 | &bss->last_update); | |
b31be3a0 JM |
4122 | wpa_printf(MSG_DEBUG, "P2P: Current BSS entry for peer updated at " |
4123 | "%ld.%06ld (%supdated in last scan)", | |
4124 | bss->last_update.sec, bss->last_update.usec, | |
4125 | updated ? "": "not "); | |
4126 | ||
4127 | return updated; | |
4128 | } | |
4129 | ||
4130 | ||
ef922c4a JM |
4131 | static void wpas_p2p_scan_res_join(struct wpa_supplicant *wpa_s, |
4132 | struct wpa_scan_results *scan_res) | |
b22128ef | 4133 | { |
c48414af | 4134 | struct wpa_bss *bss = NULL; |
f8d0131a | 4135 | int freq; |
54960629 | 4136 | u8 iface_addr[ETH_ALEN]; |
b22128ef | 4137 | |
ef922c4a | 4138 | eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL); |
b22128ef | 4139 | |
ef922c4a JM |
4140 | if (wpa_s->global->p2p_disabled) |
4141 | return; | |
b22128ef | 4142 | |
b31be3a0 JM |
4143 | wpa_printf(MSG_DEBUG, "P2P: Scan results received (%d BSS) for %sjoin", |
4144 | scan_res ? (int) scan_res->num : -1, | |
4145 | wpa_s->p2p_auto_join ? "auto_" : ""); | |
ef922c4a JM |
4146 | |
4147 | if (scan_res) | |
4148 | wpas_p2p_scan_res_handler(wpa_s, scan_res); | |
b22128ef | 4149 | |
0918c4bf JM |
4150 | if (wpa_s->p2p_auto_pd) { |
4151 | int join = wpas_p2p_peer_go(wpa_s, | |
4152 | wpa_s->pending_join_dev_addr); | |
84286a22 SDU |
4153 | if (join == 0 && |
4154 | wpa_s->auto_pd_scan_retry < P2P_AUTO_PD_SCAN_ATTEMPTS) { | |
4155 | wpa_s->auto_pd_scan_retry++; | |
702621e6 JM |
4156 | bss = wpa_bss_get_bssid_latest( |
4157 | wpa_s, wpa_s->pending_join_dev_addr); | |
84286a22 SDU |
4158 | if (bss) { |
4159 | freq = bss->freq; | |
4160 | wpa_printf(MSG_DEBUG, "P2P: Scan retry %d for " | |
4161 | "the peer " MACSTR " at %d MHz", | |
4162 | wpa_s->auto_pd_scan_retry, | |
4163 | MAC2STR(wpa_s-> | |
4164 | pending_join_dev_addr), | |
4165 | freq); | |
c48414af | 4166 | wpas_p2p_join_scan_req(wpa_s, freq, NULL, 0); |
84286a22 SDU |
4167 | return; |
4168 | } | |
4169 | } | |
4170 | ||
aa9bb764 JM |
4171 | if (join < 0) |
4172 | join = 0; | |
84286a22 | 4173 | |
0918c4bf JM |
4174 | wpa_s->p2p_auto_pd = 0; |
4175 | wpa_s->pending_pd_use = join ? AUTO_PD_JOIN : AUTO_PD_GO_NEG; | |
4176 | wpa_printf(MSG_DEBUG, "P2P: Auto PD with " MACSTR " join=%d", | |
4177 | MAC2STR(wpa_s->pending_join_dev_addr), join); | |
4178 | if (p2p_prov_disc_req(wpa_s->global->p2p, | |
4179 | wpa_s->pending_join_dev_addr, | |
4180 | wpa_s->pending_pd_config_methods, join, | |
67527166 | 4181 | 0, wpa_s->user_initiated_pd) < 0) { |
0918c4bf | 4182 | wpa_s->p2p_auto_pd = 0; |
92c4465b JM |
4183 | wpa_msg_global(wpa_s, MSG_INFO, |
4184 | P2P_EVENT_PROV_DISC_FAILURE | |
4185 | " p2p_dev_addr=" MACSTR " status=N/A", | |
4186 | MAC2STR(wpa_s->pending_join_dev_addr)); | |
0918c4bf JM |
4187 | } |
4188 | return; | |
4189 | } | |
4190 | ||
b31be3a0 | 4191 | if (wpa_s->p2p_auto_join) { |
aa9bb764 JM |
4192 | int join = wpas_p2p_peer_go(wpa_s, |
4193 | wpa_s->pending_join_dev_addr); | |
4194 | if (join < 0) { | |
b31be3a0 JM |
4195 | wpa_printf(MSG_DEBUG, "P2P: Peer was not found to be " |
4196 | "running a GO -> use GO Negotiation"); | |
4197 | wpas_p2p_connect(wpa_s, wpa_s->pending_join_dev_addr, | |
4198 | wpa_s->p2p_pin, wpa_s->p2p_wps_method, | |
4199 | wpa_s->p2p_persistent_group, 0, 0, 0, | |
4200 | wpa_s->p2p_go_intent, | |
23c84252 | 4201 | wpa_s->p2p_connect_freq, |
3bc462cb | 4202 | wpa_s->p2p_persistent_id, |
e2308e4b | 4203 | wpa_s->p2p_pd_before_go_neg, |
20ea1ca4 EP |
4204 | wpa_s->p2p_go_ht40, |
4205 | wpa_s->p2p_go_vht); | |
b31be3a0 JM |
4206 | return; |
4207 | } | |
4208 | ||
aa9bb764 JM |
4209 | wpa_printf(MSG_DEBUG, "P2P: Peer was found running GO%s -> " |
4210 | "try to join the group", join ? "" : | |
4211 | " in older scan"); | |
4212 | if (!join) | |
4213 | wpa_s->p2p_fallback_to_go_neg = 1; | |
b31be3a0 JM |
4214 | } |
4215 | ||
f8d0131a JM |
4216 | freq = p2p_get_oper_freq(wpa_s->global->p2p, |
4217 | wpa_s->pending_join_iface_addr); | |
54960629 AL |
4218 | if (freq < 0 && |
4219 | p2p_get_interface_addr(wpa_s->global->p2p, | |
4220 | wpa_s->pending_join_dev_addr, | |
4221 | iface_addr) == 0 && | |
4222 | os_memcmp(iface_addr, wpa_s->pending_join_dev_addr, ETH_ALEN) != 0) | |
4223 | { | |
4224 | wpa_printf(MSG_DEBUG, "P2P: Overwrite pending interface " | |
4225 | "address for join from " MACSTR " to " MACSTR | |
4226 | " based on newly discovered P2P peer entry", | |
4227 | MAC2STR(wpa_s->pending_join_iface_addr), | |
4228 | MAC2STR(iface_addr)); | |
4229 | os_memcpy(wpa_s->pending_join_iface_addr, iface_addr, | |
4230 | ETH_ALEN); | |
4231 | ||
4232 | freq = p2p_get_oper_freq(wpa_s->global->p2p, | |
4233 | wpa_s->pending_join_iface_addr); | |
4234 | } | |
f8d0131a JM |
4235 | if (freq >= 0) { |
4236 | wpa_printf(MSG_DEBUG, "P2P: Target GO operating frequency " | |
4237 | "from P2P peer table: %d MHz", freq); | |
4238 | } | |
c48414af JM |
4239 | if (wpa_s->p2p_join_ssid_len) { |
4240 | wpa_printf(MSG_DEBUG, "P2P: Trying to find target GO BSS entry based on BSSID " | |
4241 | MACSTR " and SSID %s", | |
4242 | MAC2STR(wpa_s->pending_join_iface_addr), | |
4243 | wpa_ssid_txt(wpa_s->p2p_join_ssid, | |
4244 | wpa_s->p2p_join_ssid_len)); | |
4245 | bss = wpa_bss_get(wpa_s, wpa_s->pending_join_iface_addr, | |
4246 | wpa_s->p2p_join_ssid, | |
4247 | wpa_s->p2p_join_ssid_len); | |
4248 | } | |
4249 | if (!bss) { | |
4250 | wpa_printf(MSG_DEBUG, "P2P: Trying to find target GO BSS entry based on BSSID " | |
4251 | MACSTR, MAC2STR(wpa_s->pending_join_iface_addr)); | |
4252 | bss = wpa_bss_get_bssid_latest(wpa_s, | |
4253 | wpa_s->pending_join_iface_addr); | |
4254 | } | |
b22128ef | 4255 | if (bss) { |
f8d0131a JM |
4256 | freq = bss->freq; |
4257 | wpa_printf(MSG_DEBUG, "P2P: Target GO operating frequency " | |
d2858883 JM |
4258 | "from BSS table: %d MHz (SSID %s)", freq, |
4259 | wpa_ssid_txt(bss->ssid, bss->ssid_len)); | |
f8d0131a JM |
4260 | } |
4261 | if (freq > 0) { | |
b22128ef JM |
4262 | u16 method; |
4263 | ||
4b156206 | 4264 | if (wpas_check_freq_conflict(wpa_s, freq) > 0) { |
92c4465b JM |
4265 | wpa_msg_global(wpa_s->parent, MSG_INFO, |
4266 | P2P_EVENT_GROUP_FORMATION_FAILURE | |
4267 | "reason=FREQ_CONFLICT"); | |
4b156206 JM |
4268 | return; |
4269 | } | |
4270 | ||
b22128ef JM |
4271 | wpa_printf(MSG_DEBUG, "P2P: Send Provision Discovery Request " |
4272 | "prior to joining an existing group (GO " MACSTR | |
4273 | " freq=%u MHz)", | |
f8d0131a | 4274 | MAC2STR(wpa_s->pending_join_dev_addr), freq); |
b22128ef JM |
4275 | wpa_s->pending_pd_before_join = 1; |
4276 | ||
ef922c4a | 4277 | switch (wpa_s->pending_join_wps_method) { |
b22128ef JM |
4278 | case WPS_PIN_DISPLAY: |
4279 | method = WPS_CONFIG_KEYPAD; | |
4280 | break; | |
4281 | case WPS_PIN_KEYPAD: | |
4282 | method = WPS_CONFIG_DISPLAY; | |
4283 | break; | |
4284 | case WPS_PBC: | |
4285 | method = WPS_CONFIG_PUSHBUTTON; | |
4286 | break; | |
4287 | default: | |
4288 | method = 0; | |
4289 | break; | |
4290 | } | |
4291 | ||
ec437d9e JJ |
4292 | if ((p2p_get_provisioning_info(wpa_s->global->p2p, |
4293 | wpa_s->pending_join_dev_addr) == | |
4294 | method)) { | |
4295 | /* | |
4296 | * We have already performed provision discovery for | |
4297 | * joining the group. Proceed directly to join | |
4298 | * operation without duplicated provision discovery. */ | |
e3a0706b | 4299 | wpa_printf(MSG_DEBUG, "P2P: Provision discovery " |
ec437d9e JJ |
4300 | "with " MACSTR " already done - proceed to " |
4301 | "join", | |
4302 | MAC2STR(wpa_s->pending_join_dev_addr)); | |
4303 | wpa_s->pending_pd_before_join = 0; | |
4304 | goto start; | |
4305 | } | |
4306 | ||
ef922c4a | 4307 | if (p2p_prov_disc_req(wpa_s->global->p2p, |
1ef2f7ff | 4308 | wpa_s->pending_join_dev_addr, method, 1, |
67527166 | 4309 | freq, wpa_s->user_initiated_pd) < 0) { |
b22128ef JM |
4310 | wpa_printf(MSG_DEBUG, "P2P: Failed to send Provision " |
4311 | "Discovery Request before joining an " | |
4312 | "existing group"); | |
4313 | wpa_s->pending_pd_before_join = 0; | |
4314 | goto start; | |
4315 | } | |
ef922c4a | 4316 | return; |
b22128ef JM |
4317 | } |
4318 | ||
9b1ab931 JM |
4319 | wpa_printf(MSG_DEBUG, "P2P: Failed to find BSS/GO - try again later"); |
4320 | eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL); | |
4321 | eloop_register_timeout(1, 0, wpas_p2p_join_scan, wpa_s, NULL); | |
4322 | wpas_p2p_check_join_scan_limit(wpa_s); | |
4323 | return; | |
b22128ef JM |
4324 | |
4325 | start: | |
4326 | /* Start join operation immediately */ | |
23318bea | 4327 | wpas_p2p_join_start(wpa_s, 0, NULL, 0); |
ef922c4a JM |
4328 | } |
4329 | ||
4330 | ||
c48414af JM |
4331 | static void wpas_p2p_join_scan_req(struct wpa_supplicant *wpa_s, int freq, |
4332 | const u8 *ssid, size_t ssid_len) | |
ef922c4a | 4333 | { |
ef922c4a JM |
4334 | int ret; |
4335 | struct wpa_driver_scan_params params; | |
4336 | struct wpabuf *wps_ie, *ies; | |
206e1f42 | 4337 | size_t ielen; |
84286a22 | 4338 | int freqs[2] = { 0, 0 }; |
ef922c4a JM |
4339 | |
4340 | os_memset(¶ms, 0, sizeof(params)); | |
4341 | ||
4342 | /* P2P Wildcard SSID */ | |
4343 | params.num_ssids = 1; | |
c48414af JM |
4344 | if (ssid && ssid_len) { |
4345 | params.ssids[0].ssid = ssid; | |
4346 | params.ssids[0].ssid_len = ssid_len; | |
4347 | os_memcpy(wpa_s->p2p_join_ssid, ssid, ssid_len); | |
4348 | wpa_s->p2p_join_ssid_len = ssid_len; | |
4349 | } else { | |
4350 | params.ssids[0].ssid = (u8 *) P2P_WILDCARD_SSID; | |
4351 | params.ssids[0].ssid_len = P2P_WILDCARD_SSID_LEN; | |
4352 | wpa_s->p2p_join_ssid_len = 0; | |
4353 | } | |
ef922c4a JM |
4354 | |
4355 | wpa_s->wps->dev.p2p = 1; | |
360182ed JM |
4356 | wps_ie = wps_build_probe_req_ie(DEV_PW_DEFAULT, &wpa_s->wps->dev, |
4357 | wpa_s->wps->uuid, WPS_REQ_ENROLLEE, 0, | |
4358 | NULL); | |
ef922c4a JM |
4359 | if (wps_ie == NULL) { |
4360 | wpas_p2p_scan_res_join(wpa_s, NULL); | |
4361 | return; | |
4362 | } | |
4363 | ||
206e1f42 JM |
4364 | ielen = p2p_scan_ie_buf_len(wpa_s->global->p2p); |
4365 | ies = wpabuf_alloc(wpabuf_len(wps_ie) + ielen); | |
ef922c4a JM |
4366 | if (ies == NULL) { |
4367 | wpabuf_free(wps_ie); | |
4368 | wpas_p2p_scan_res_join(wpa_s, NULL); | |
4369 | return; | |
4370 | } | |
4371 | wpabuf_put_buf(ies, wps_ie); | |
4372 | wpabuf_free(wps_ie); | |
4373 | ||
6d92fa6e | 4374 | p2p_scan_ie(wpa_s->global->p2p, ies, NULL); |
ef922c4a | 4375 | |
47185fc7 | 4376 | params.p2p_probe = 1; |
ef922c4a JM |
4377 | params.extra_ies = wpabuf_head(ies); |
4378 | params.extra_ies_len = wpabuf_len(ies); | |
37b4198a JJ |
4379 | |
4380 | if (!freq) { | |
4381 | int oper_freq; | |
4382 | /* | |
4383 | * If freq is not provided, check the operating freq of the GO | |
4384 | * and use a single channel scan on if possible. | |
4385 | */ | |
4386 | oper_freq = p2p_get_oper_freq(wpa_s->global->p2p, | |
4387 | wpa_s->pending_join_iface_addr); | |
4388 | if (oper_freq > 0) | |
4389 | freq = oper_freq; | |
4390 | } | |
84286a22 SDU |
4391 | if (freq > 0) { |
4392 | freqs[0] = freq; | |
4393 | params.freqs = freqs; | |
4394 | } | |
ef922c4a JM |
4395 | |
4396 | /* | |
4397 | * Run a scan to update BSS table and start Provision Discovery once | |
4398 | * the new scan results become available. | |
4399 | */ | |
17fbb751 | 4400 | ret = wpa_drv_scan(wpa_s, ¶ms); |
4342326f | 4401 | if (!ret) { |
acb69cec | 4402 | os_get_reltime(&wpa_s->scan_trigger_time); |
205e6474 | 4403 | wpa_s->scan_res_handler = wpas_p2p_scan_res_join; |
a5f40eff | 4404 | wpa_s->own_scan_requested = 1; |
4342326f | 4405 | } |
ef922c4a JM |
4406 | |
4407 | wpabuf_free(ies); | |
4408 | ||
4409 | if (ret) { | |
4410 | wpa_printf(MSG_DEBUG, "P2P: Failed to start scan for join - " | |
4411 | "try again later"); | |
4412 | eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL); | |
4413 | eloop_register_timeout(1, 0, wpas_p2p_join_scan, wpa_s, NULL); | |
9b1ab931 | 4414 | wpas_p2p_check_join_scan_limit(wpa_s); |
ef922c4a JM |
4415 | } |
4416 | } | |
4417 | ||
4418 | ||
84286a22 SDU |
4419 | static void wpas_p2p_join_scan(void *eloop_ctx, void *timeout_ctx) |
4420 | { | |
4421 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
c48414af | 4422 | wpas_p2p_join_scan_req(wpa_s, 0, NULL, 0); |
84286a22 SDU |
4423 | } |
4424 | ||
4425 | ||
ef922c4a | 4426 | static int wpas_p2p_join(struct wpa_supplicant *wpa_s, const u8 *iface_addr, |
b31be3a0 | 4427 | const u8 *dev_addr, enum p2p_wps_method wps_method, |
23318bea JM |
4428 | int auto_join, int op_freq, |
4429 | const u8 *ssid, size_t ssid_len) | |
ef922c4a JM |
4430 | { |
4431 | wpa_printf(MSG_DEBUG, "P2P: Request to join existing group (iface " | |
23318bea JM |
4432 | MACSTR " dev " MACSTR " op_freq=%d)%s", |
4433 | MAC2STR(iface_addr), MAC2STR(dev_addr), op_freq, | |
b31be3a0 | 4434 | auto_join ? " (auto_join)" : ""); |
c48414af JM |
4435 | if (ssid && ssid_len) { |
4436 | wpa_printf(MSG_DEBUG, "P2P: Group SSID specified: %s", | |
4437 | wpa_ssid_txt(ssid, ssid_len)); | |
4438 | } | |
ef922c4a | 4439 | |
0918c4bf | 4440 | wpa_s->p2p_auto_pd = 0; |
b31be3a0 | 4441 | wpa_s->p2p_auto_join = !!auto_join; |
ef922c4a JM |
4442 | os_memcpy(wpa_s->pending_join_iface_addr, iface_addr, ETH_ALEN); |
4443 | os_memcpy(wpa_s->pending_join_dev_addr, dev_addr, ETH_ALEN); | |
4444 | wpa_s->pending_join_wps_method = wps_method; | |
4445 | ||
4446 | /* Make sure we are not running find during connection establishment */ | |
4447 | wpas_p2p_stop_find(wpa_s); | |
4448 | ||
9b1ab931 | 4449 | wpa_s->p2p_join_scan_count = 0; |
23318bea | 4450 | wpas_p2p_join_scan_req(wpa_s, op_freq, ssid, ssid_len); |
ef922c4a | 4451 | return 0; |
b22128ef JM |
4452 | } |
4453 | ||
4454 | ||
23318bea JM |
4455 | static int wpas_p2p_join_start(struct wpa_supplicant *wpa_s, int freq, |
4456 | const u8 *ssid, size_t ssid_len) | |
b22128ef JM |
4457 | { |
4458 | struct wpa_supplicant *group; | |
4459 | struct p2p_go_neg_results res; | |
8e64f258 | 4460 | struct wpa_bss *bss; |
b22128ef JM |
4461 | |
4462 | group = wpas_p2p_get_group_iface(wpa_s, 0, 0); | |
4463 | if (group == NULL) | |
4464 | return -1; | |
3c5126a4 | 4465 | if (group != wpa_s) { |
b22128ef JM |
4466 | os_memcpy(group->p2p_pin, wpa_s->p2p_pin, |
4467 | sizeof(group->p2p_pin)); | |
3c5126a4 | 4468 | group->p2p_wps_method = wpa_s->p2p_wps_method; |
2b79164f JM |
4469 | } else { |
4470 | /* | |
4471 | * Need to mark the current interface for p2p_group_formation | |
4472 | * when a separate group interface is not used. This is needed | |
4473 | * to allow p2p_cancel stop a pending p2p_connect-join. | |
4474 | * wpas_p2p_init_group_interface() addresses this for the case | |
4475 | * where a separate group interface is used. | |
4476 | */ | |
4477 | wpa_s->global->p2p_group_formation = wpa_s; | |
3c5126a4 | 4478 | } |
b22128ef JM |
4479 | |
4480 | group->p2p_in_provisioning = 1; | |
aa9bb764 | 4481 | group->p2p_fallback_to_go_neg = wpa_s->p2p_fallback_to_go_neg; |
b22128ef JM |
4482 | |
4483 | os_memset(&res, 0, sizeof(res)); | |
23318bea | 4484 | os_memcpy(res.peer_device_addr, wpa_s->pending_join_dev_addr, ETH_ALEN); |
b22128ef JM |
4485 | os_memcpy(res.peer_interface_addr, wpa_s->pending_join_iface_addr, |
4486 | ETH_ALEN); | |
4487 | res.wps_method = wpa_s->pending_join_wps_method; | |
23318bea JM |
4488 | if (freq && ssid && ssid_len) { |
4489 | res.freq = freq; | |
4490 | res.ssid_len = ssid_len; | |
4491 | os_memcpy(res.ssid, ssid, ssid_len); | |
4492 | } else { | |
4493 | bss = wpa_bss_get_bssid_latest(wpa_s, | |
4494 | wpa_s->pending_join_iface_addr); | |
4495 | if (bss) { | |
4496 | res.freq = bss->freq; | |
4497 | res.ssid_len = bss->ssid_len; | |
4498 | os_memcpy(res.ssid, bss->ssid, bss->ssid_len); | |
4499 | wpa_printf(MSG_DEBUG, "P2P: Join target GO operating frequency from BSS table: %d MHz (SSID %s)", | |
4500 | bss->freq, | |
4501 | wpa_ssid_txt(bss->ssid, bss->ssid_len)); | |
4502 | } | |
8e64f258 JM |
4503 | } |
4504 | ||
e91829f9 JM |
4505 | if (wpa_s->off_channel_freq || wpa_s->roc_waiting_drv_freq) { |
4506 | wpa_printf(MSG_DEBUG, "P2P: Cancel remain-on-channel prior to " | |
4507 | "starting client"); | |
4508 | wpa_drv_cancel_remain_on_channel(wpa_s); | |
4509 | wpa_s->off_channel_freq = 0; | |
4510 | wpa_s->roc_waiting_drv_freq = 0; | |
4511 | } | |
b22128ef JM |
4512 | wpas_start_wps_enrollee(group, &res); |
4513 | ||
3094d483 JM |
4514 | /* |
4515 | * Allow a longer timeout for join-a-running-group than normal 15 | |
4516 | * second group formation timeout since the GO may not have authorized | |
4517 | * our connection yet. | |
4518 | */ | |
4519 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL); | |
4520 | eloop_register_timeout(60, 0, wpas_p2p_group_formation_timeout, | |
4521 | wpa_s, NULL); | |
4522 | ||
b22128ef JM |
4523 | return 0; |
4524 | } | |
4525 | ||
4526 | ||
5de4b721 | 4527 | static int wpas_p2p_setup_freqs(struct wpa_supplicant *wpa_s, int freq, |
51e9f228 | 4528 | int *force_freq, int *pref_freq, int go) |
5de4b721 | 4529 | { |
0d08efa4 IP |
4530 | int *freqs, res; |
4531 | unsigned int freq_in_use = 0, num, i; | |
4532 | ||
4533 | freqs = os_calloc(wpa_s->num_multichan_concurrent, sizeof(int)); | |
4534 | if (!freqs) | |
4535 | return -1; | |
4536 | ||
4537 | num = get_shared_radio_freqs(wpa_s, freqs, | |
4538 | wpa_s->num_multichan_concurrent); | |
99d7c762 JM |
4539 | wpa_printf(MSG_DEBUG, |
4540 | "P2P: Setup freqs: freq=%d num_MCC=%d shared_freqs=%u", | |
4541 | freq, wpa_s->num_multichan_concurrent, num); | |
0d08efa4 | 4542 | |
5de4b721 | 4543 | if (freq > 0) { |
51e9f228 JM |
4544 | int ret; |
4545 | if (go) | |
4546 | ret = p2p_supported_freq(wpa_s->global->p2p, freq); | |
4547 | else | |
4548 | ret = p2p_supported_freq_cli(wpa_s->global->p2p, freq); | |
4549 | if (!ret) { | |
5de4b721 JM |
4550 | wpa_printf(MSG_DEBUG, "P2P: The forced channel " |
4551 | "(%u MHz) is not supported for P2P uses", | |
4552 | freq); | |
0d08efa4 IP |
4553 | res = -3; |
4554 | goto exit_free; | |
5de4b721 JM |
4555 | } |
4556 | ||
0d08efa4 IP |
4557 | for (i = 0; i < num; i++) { |
4558 | if (freqs[i] == freq) | |
4559 | freq_in_use = 1; | |
4560 | } | |
4561 | ||
4562 | if (num == wpa_s->num_multichan_concurrent && !freq_in_use) { | |
4563 | wpa_printf(MSG_DEBUG, "P2P: Cannot start P2P group on %u MHz as there are no available channels", | |
4564 | freq); | |
4565 | res = -2; | |
4566 | goto exit_free; | |
5de4b721 JM |
4567 | } |
4568 | wpa_printf(MSG_DEBUG, "P2P: Trying to force us to use the " | |
4569 | "requested channel (%u MHz)", freq); | |
4570 | *force_freq = freq; | |
0d08efa4 IP |
4571 | goto exit_ok; |
4572 | } | |
4573 | ||
4574 | for (i = 0; i < num; i++) { | |
4575 | if (!p2p_supported_freq(wpa_s->global->p2p, freqs[i])) | |
4576 | continue; | |
4577 | ||
0d08efa4 | 4578 | if (*pref_freq == 0 && num < wpa_s->num_multichan_concurrent) { |
b17d89bd JM |
4579 | wpa_printf(MSG_DEBUG, "P2P: Try to prefer a frequency (%u MHz) we are already using", |
4580 | freqs[i]); | |
4581 | *pref_freq = freqs[i]; | |
4582 | } else { | |
4583 | wpa_printf(MSG_DEBUG, "P2P: Try to force us to use frequency (%u MHz) which is already in use", | |
4584 | freqs[i]); | |
4585 | *force_freq = freqs[i]; | |
5de4b721 | 4586 | } |
0d08efa4 | 4587 | break; |
5de4b721 JM |
4588 | } |
4589 | ||
0d08efa4 | 4590 | if (i == num) { |
107a8944 | 4591 | if (num < wpa_s->num_multichan_concurrent && num > 0) { |
0d08efa4 IP |
4592 | wpa_printf(MSG_DEBUG, "P2P: Current operating channels are not available for P2P. Try to use another channel"); |
4593 | *force_freq = 0; | |
107a8944 JM |
4594 | } else if (num < wpa_s->num_multichan_concurrent) { |
4595 | wpa_printf(MSG_DEBUG, "P2P: No current operating channels - try to use a new channel"); | |
4596 | *force_freq = 0; | |
0d08efa4 IP |
4597 | } else { |
4598 | wpa_printf(MSG_DEBUG, "P2P: All channels are in use and none of them are P2P enabled. Cannot start P2P group"); | |
4599 | res = -2; | |
4600 | goto exit_free; | |
4601 | } | |
4602 | } | |
4603 | ||
4604 | exit_ok: | |
4605 | res = 0; | |
4606 | exit_free: | |
4607 | os_free(freqs); | |
4608 | return res; | |
5de4b721 JM |
4609 | } |
4610 | ||
4611 | ||
b22128ef JM |
4612 | /** |
4613 | * wpas_p2p_connect - Request P2P Group Formation to be started | |
4614 | * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface() | |
4615 | * @peer_addr: Address of the peer P2P Device | |
4616 | * @pin: PIN to use during provisioning or %NULL to indicate PBC mode | |
4617 | * @persistent_group: Whether to create a persistent group | |
b31be3a0 | 4618 | * @auto_join: Whether to select join vs. GO Negotiation automatically |
b22128ef JM |
4619 | * @join: Whether to join an existing group (as a client) instead of starting |
4620 | * Group Owner negotiation; @peer_addr is BSSID in that case | |
4621 | * @auth: Whether to only authorize the connection instead of doing that and | |
4622 | * initiating Group Owner negotiation | |
4623 | * @go_intent: GO Intent or -1 to use default | |
4624 | * @freq: Frequency for the group or 0 for auto-selection | |
23c84252 JM |
4625 | * @persistent_id: Persistent group credentials to use for forcing GO |
4626 | * parameters or -1 to generate new values (SSID/passphrase) | |
3bc462cb JM |
4627 | * @pd: Whether to send Provision Discovery prior to GO Negotiation as an |
4628 | * interoperability workaround when initiating group formation | |
e2308e4b | 4629 | * @ht40: Start GO with 40 MHz channel width |
20ea1ca4 | 4630 | * @vht: Start GO with VHT support |
d054a462 JM |
4631 | * Returns: 0 or new PIN (if pin was %NULL) on success, -1 on unspecified |
4632 | * failure, -2 on failure due to channel not currently available, | |
4633 | * -3 if forced channel is not supported | |
b22128ef JM |
4634 | */ |
4635 | int wpas_p2p_connect(struct wpa_supplicant *wpa_s, const u8 *peer_addr, | |
4636 | const char *pin, enum p2p_wps_method wps_method, | |
b31be3a0 | 4637 | int persistent_group, int auto_join, int join, int auth, |
e2308e4b | 4638 | int go_intent, int freq, int persistent_id, int pd, |
20ea1ca4 | 4639 | int ht40, int vht) |
b22128ef | 4640 | { |
0d08efa4 | 4641 | int force_freq = 0, pref_freq = 0; |
5de4b721 | 4642 | int ret = 0, res; |
b22128ef | 4643 | enum wpa_driver_if_type iftype; |
6cad95db | 4644 | const u8 *if_addr; |
23c84252 | 4645 | struct wpa_ssid *ssid = NULL; |
b22128ef | 4646 | |
9526fd29 JM |
4647 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
4648 | return -1; | |
4649 | ||
23c84252 JM |
4650 | if (persistent_id >= 0) { |
4651 | ssid = wpa_config_get_network(wpa_s->conf, persistent_id); | |
4652 | if (ssid == NULL || ssid->disabled != 2 || | |
4653 | ssid->mode != WPAS_MODE_P2P_GO) | |
4654 | return -1; | |
4655 | } | |
4656 | ||
01a57fe4 JM |
4657 | os_free(wpa_s->global->add_psk); |
4658 | wpa_s->global->add_psk = NULL; | |
4659 | ||
95fb2db2 JM |
4660 | wpa_s->global->p2p_fail_on_wps_complete = 0; |
4661 | ||
b22128ef JM |
4662 | if (go_intent < 0) |
4663 | go_intent = wpa_s->conf->p2p_go_intent; | |
4664 | ||
4665 | if (!auth) | |
4666 | wpa_s->p2p_long_listen = 0; | |
4667 | ||
3c5126a4 | 4668 | wpa_s->p2p_wps_method = wps_method; |
b31be3a0 | 4669 | wpa_s->p2p_persistent_group = !!persistent_group; |
23c84252 | 4670 | wpa_s->p2p_persistent_id = persistent_id; |
b31be3a0 JM |
4671 | wpa_s->p2p_go_intent = go_intent; |
4672 | wpa_s->p2p_connect_freq = freq; | |
aa9bb764 | 4673 | wpa_s->p2p_fallback_to_go_neg = 0; |
3bc462cb | 4674 | wpa_s->p2p_pd_before_go_neg = !!pd; |
e2308e4b | 4675 | wpa_s->p2p_go_ht40 = !!ht40; |
20ea1ca4 | 4676 | wpa_s->p2p_go_vht = !!vht; |
3c5126a4 | 4677 | |
b22128ef JM |
4678 | if (pin) |
4679 | os_strlcpy(wpa_s->p2p_pin, pin, sizeof(wpa_s->p2p_pin)); | |
4680 | else if (wps_method == WPS_PIN_DISPLAY) { | |
4681 | ret = wps_generate_pin(); | |
4682 | os_snprintf(wpa_s->p2p_pin, sizeof(wpa_s->p2p_pin), "%08d", | |
4683 | ret); | |
4684 | wpa_printf(MSG_DEBUG, "P2P: Randomly generated PIN: %s", | |
4685 | wpa_s->p2p_pin); | |
4686 | } else | |
4687 | wpa_s->p2p_pin[0] = '\0'; | |
4688 | ||
b31be3a0 | 4689 | if (join || auto_join) { |
4147a2cc | 4690 | u8 iface_addr[ETH_ALEN], dev_addr[ETH_ALEN]; |
108def93 JM |
4691 | if (auth) { |
4692 | wpa_printf(MSG_DEBUG, "P2P: Authorize invitation to " | |
4693 | "connect a running group from " MACSTR, | |
4694 | MAC2STR(peer_addr)); | |
4695 | os_memcpy(wpa_s->p2p_auth_invite, peer_addr, ETH_ALEN); | |
4696 | return ret; | |
4697 | } | |
4147a2cc | 4698 | os_memcpy(dev_addr, peer_addr, ETH_ALEN); |
b22128ef | 4699 | if (p2p_get_interface_addr(wpa_s->global->p2p, peer_addr, |
4147a2cc | 4700 | iface_addr) < 0) { |
b22128ef | 4701 | os_memcpy(iface_addr, peer_addr, ETH_ALEN); |
4147a2cc JM |
4702 | p2p_get_dev_addr(wpa_s->global->p2p, peer_addr, |
4703 | dev_addr); | |
4704 | } | |
b31be3a0 | 4705 | if (auto_join) { |
acb69cec | 4706 | os_get_reltime(&wpa_s->p2p_auto_started); |
b31be3a0 JM |
4707 | wpa_printf(MSG_DEBUG, "P2P: Auto join started at " |
4708 | "%ld.%06ld", | |
4709 | wpa_s->p2p_auto_started.sec, | |
4710 | wpa_s->p2p_auto_started.usec); | |
4711 | } | |
67527166 | 4712 | wpa_s->user_initiated_pd = 1; |
b31be3a0 | 4713 | if (wpas_p2p_join(wpa_s, iface_addr, dev_addr, wps_method, |
23318bea | 4714 | auto_join, freq, NULL, 0) < 0) |
b22128ef JM |
4715 | return -1; |
4716 | return ret; | |
4717 | } | |
4718 | ||
51e9f228 JM |
4719 | res = wpas_p2p_setup_freqs(wpa_s, freq, &force_freq, &pref_freq, |
4720 | go_intent == 15); | |
5de4b721 JM |
4721 | if (res) |
4722 | return res; | |
1b665cbf JM |
4723 | wpas_p2p_set_own_freq_preference(wpa_s, |
4724 | force_freq ? force_freq : pref_freq); | |
b22128ef JM |
4725 | |
4726 | wpa_s->create_p2p_iface = wpas_p2p_create_iface(wpa_s); | |
4727 | ||
6cad95db JB |
4728 | if (wpa_s->create_p2p_iface) { |
4729 | /* Prepare to add a new interface for the group */ | |
4730 | iftype = WPA_IF_P2P_GROUP; | |
4731 | if (go_intent == 15) | |
4732 | iftype = WPA_IF_P2P_GO; | |
4733 | if (wpas_p2p_add_group_interface(wpa_s, iftype) < 0) { | |
4734 | wpa_printf(MSG_ERROR, "P2P: Failed to allocate a new " | |
4735 | "interface for the group"); | |
b22128ef | 4736 | return -1; |
6cad95db | 4737 | } |
b22128ef | 4738 | |
6cad95db JB |
4739 | if_addr = wpa_s->pending_interface_addr; |
4740 | } else | |
4741 | if_addr = wpa_s->own_addr; | |
b22128ef JM |
4742 | |
4743 | if (auth) { | |
4744 | if (wpas_p2p_auth_go_neg(wpa_s, peer_addr, wps_method, | |
6cad95db | 4745 | go_intent, if_addr, |
04a3e69d JM |
4746 | force_freq, persistent_group, ssid, |
4747 | pref_freq) < 0) | |
b22128ef JM |
4748 | return -1; |
4749 | return ret; | |
4750 | } | |
6cad95db JB |
4751 | |
4752 | if (wpas_p2p_start_go_neg(wpa_s, peer_addr, wps_method, | |
4753 | go_intent, if_addr, force_freq, | |
04a3e69d | 4754 | persistent_group, ssid, pref_freq) < 0) { |
6cad95db JB |
4755 | if (wpa_s->create_p2p_iface) |
4756 | wpas_p2p_remove_pending_group_interface(wpa_s); | |
b22128ef JM |
4757 | return -1; |
4758 | } | |
4759 | return ret; | |
4760 | } | |
4761 | ||
4762 | ||
4763 | /** | |
4764 | * wpas_p2p_remain_on_channel_cb - Indication of remain-on-channel start | |
4765 | * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface() | |
4766 | * @freq: Frequency of the channel in MHz | |
4767 | * @duration: Duration of the stay on the channel in milliseconds | |
4768 | * | |
4769 | * This callback is called when the driver indicates that it has started the | |
4770 | * requested remain-on-channel duration. | |
4771 | */ | |
4772 | void wpas_p2p_remain_on_channel_cb(struct wpa_supplicant *wpa_s, | |
4773 | unsigned int freq, unsigned int duration) | |
4774 | { | |
9526fd29 JM |
4775 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
4776 | return; | |
b22128ef JM |
4777 | if (wpa_s->off_channel_freq == wpa_s->pending_listen_freq) { |
4778 | p2p_listen_cb(wpa_s->global->p2p, wpa_s->pending_listen_freq, | |
4779 | wpa_s->pending_listen_duration); | |
4780 | wpa_s->pending_listen_freq = 0; | |
211d7ab3 JM |
4781 | } else { |
4782 | wpa_printf(MSG_DEBUG, "P2P: Ignore remain-on-channel callback (off_channel_freq=%u pending_listen_freq=%d freq=%u duration=%u)", | |
4783 | wpa_s->off_channel_freq, wpa_s->pending_listen_freq, | |
4784 | freq, duration); | |
b22128ef JM |
4785 | } |
4786 | } | |
4787 | ||
4788 | ||
4789 | static int wpas_p2p_listen_start(struct wpa_supplicant *wpa_s, | |
4790 | unsigned int timeout) | |
4791 | { | |
4792 | /* Limit maximum Listen state time based on driver limitation. */ | |
4793 | if (timeout > wpa_s->max_remain_on_chan) | |
4794 | timeout = wpa_s->max_remain_on_chan; | |
4795 | ||
4796 | return p2p_listen(wpa_s->global->p2p, timeout); | |
4797 | } | |
4798 | ||
4799 | ||
4800 | /** | |
4801 | * wpas_p2p_cancel_remain_on_channel_cb - Remain-on-channel timeout | |
4802 | * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface() | |
4803 | * @freq: Frequency of the channel in MHz | |
4804 | * | |
4805 | * This callback is called when the driver indicates that a remain-on-channel | |
4806 | * operation has been completed, i.e., the duration on the requested channel | |
4807 | * has timed out. | |
4808 | */ | |
4809 | void wpas_p2p_cancel_remain_on_channel_cb(struct wpa_supplicant *wpa_s, | |
4810 | unsigned int freq) | |
4811 | { | |
1cc3a29d | 4812 | wpa_printf(MSG_DEBUG, "P2P: Cancel remain-on-channel callback " |
11fb02be | 4813 | "(p2p_long_listen=%d ms pending_action_tx=%p)", |
2f3101d8 | 4814 | wpa_s->p2p_long_listen, offchannel_pending_action_tx(wpa_s)); |
e1d1c8e2 | 4815 | wpas_p2p_listen_work_done(wpa_s); |
9526fd29 JM |
4816 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
4817 | return; | |
b22128ef JM |
4818 | if (p2p_listen_end(wpa_s->global->p2p, freq) > 0) |
4819 | return; /* P2P module started a new operation */ | |
2f3101d8 | 4820 | if (offchannel_pending_action_tx(wpa_s)) |
b22128ef JM |
4821 | return; |
4822 | if (wpa_s->p2p_long_listen > 0) | |
11fb02be | 4823 | wpa_s->p2p_long_listen -= wpa_s->max_remain_on_chan; |
b22128ef JM |
4824 | if (wpa_s->p2p_long_listen > 0) { |
4825 | wpa_printf(MSG_DEBUG, "P2P: Continuing long Listen state"); | |
11fb02be | 4826 | wpas_p2p_listen_start(wpa_s, wpa_s->p2p_long_listen); |
0b5fb86a SADR |
4827 | } else { |
4828 | /* | |
4829 | * When listen duration is over, stop listen & update p2p_state | |
4830 | * to IDLE. | |
4831 | */ | |
4832 | p2p_stop_listen(wpa_s->global->p2p); | |
b22128ef JM |
4833 | } |
4834 | } | |
4835 | ||
4836 | ||
4837 | /** | |
4838 | * wpas_p2p_group_remove - Remove a P2P group | |
4839 | * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface() | |
4840 | * @ifname: Network interface name of the group interface or "*" to remove all | |
4841 | * groups | |
4842 | * Returns: 0 on success, -1 on failure | |
4843 | * | |
4844 | * This function is used to remove a P2P group. This can be used to disconnect | |
4845 | * from a group in which the local end is a P2P Client or to end a P2P Group in | |
4846 | * case the local end is the Group Owner. If a virtual network interface was | |
4847 | * created for this group, that interface will be removed. Otherwise, only the | |
4848 | * configured P2P group network will be removed from the interface. | |
4849 | */ | |
4850 | int wpas_p2p_group_remove(struct wpa_supplicant *wpa_s, const char *ifname) | |
4851 | { | |
4852 | struct wpa_global *global = wpa_s->global; | |
4853 | ||
4854 | if (os_strcmp(ifname, "*") == 0) { | |
4855 | struct wpa_supplicant *prev; | |
4856 | wpa_s = global->ifaces; | |
4857 | while (wpa_s) { | |
4858 | prev = wpa_s; | |
4859 | wpa_s = wpa_s->next; | |
d99ca89d IP |
4860 | if (prev->p2p_group_interface != |
4861 | NOT_P2P_GROUP_INTERFACE || | |
4862 | (prev->current_ssid && | |
4863 | prev->current_ssid->p2p_group)) | |
4864 | wpas_p2p_disconnect(prev); | |
b22128ef JM |
4865 | } |
4866 | return 0; | |
4867 | } | |
4868 | ||
4869 | for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) { | |
4870 | if (os_strcmp(wpa_s->ifname, ifname) == 0) | |
4871 | break; | |
4872 | } | |
4873 | ||
3103f345 | 4874 | return wpas_p2p_disconnect(wpa_s); |
b22128ef JM |
4875 | } |
4876 | ||
4877 | ||
4abc0424 WJL |
4878 | static int wpas_p2p_select_go_freq(struct wpa_supplicant *wpa_s, int freq) |
4879 | { | |
4880 | unsigned int r; | |
4881 | ||
4882 | if (freq == 2) { | |
4883 | wpa_printf(MSG_DEBUG, "P2P: Request to start GO on 2.4 GHz " | |
4884 | "band"); | |
4885 | if (wpa_s->best_24_freq > 0 && | |
556b30da JM |
4886 | p2p_supported_freq_go(wpa_s->global->p2p, |
4887 | wpa_s->best_24_freq)) { | |
4abc0424 WJL |
4888 | freq = wpa_s->best_24_freq; |
4889 | wpa_printf(MSG_DEBUG, "P2P: Use best 2.4 GHz band " | |
4890 | "channel: %d MHz", freq); | |
4891 | } else { | |
4892 | os_get_random((u8 *) &r, sizeof(r)); | |
4893 | freq = 2412 + (r % 3) * 25; | |
4894 | wpa_printf(MSG_DEBUG, "P2P: Use random 2.4 GHz band " | |
4895 | "channel: %d MHz", freq); | |
4896 | } | |
4897 | } | |
4898 | ||
4899 | if (freq == 5) { | |
4900 | wpa_printf(MSG_DEBUG, "P2P: Request to start GO on 5 GHz " | |
4901 | "band"); | |
4902 | if (wpa_s->best_5_freq > 0 && | |
556b30da | 4903 | p2p_supported_freq_go(wpa_s->global->p2p, |
4abc0424 WJL |
4904 | wpa_s->best_5_freq)) { |
4905 | freq = wpa_s->best_5_freq; | |
4906 | wpa_printf(MSG_DEBUG, "P2P: Use best 5 GHz band " | |
4907 | "channel: %d MHz", freq); | |
4908 | } else { | |
4909 | os_get_random((u8 *) &r, sizeof(r)); | |
4910 | freq = 5180 + (r % 4) * 20; | |
556b30da | 4911 | if (!p2p_supported_freq_go(wpa_s->global->p2p, freq)) { |
4abc0424 WJL |
4912 | wpa_printf(MSG_DEBUG, "P2P: Could not select " |
4913 | "5 GHz channel for P2P group"); | |
4914 | return -1; | |
4915 | } | |
4916 | wpa_printf(MSG_DEBUG, "P2P: Use random 5 GHz band " | |
4917 | "channel: %d MHz", freq); | |
4918 | } | |
4919 | } | |
4920 | ||
556b30da | 4921 | if (freq > 0 && !p2p_supported_freq_go(wpa_s->global->p2p, freq)) { |
4abc0424 WJL |
4922 | wpa_printf(MSG_DEBUG, "P2P: The forced channel for GO " |
4923 | "(%u MHz) is not supported for P2P uses", | |
4924 | freq); | |
4925 | return -1; | |
4926 | } | |
4927 | ||
4928 | return freq; | |
4929 | } | |
4930 | ||
4931 | ||
b8349523 NKG |
4932 | static int wpas_p2p_init_go_params(struct wpa_supplicant *wpa_s, |
4933 | struct p2p_go_neg_results *params, | |
20ea1ca4 | 4934 | int freq, int ht40, int vht, |
54733624 | 4935 | const struct p2p_channels *channels) |
b22128ef | 4936 | { |
0d08efa4 | 4937 | int res, *freqs; |
c6ccf12d | 4938 | unsigned int pref_freq; |
0d08efa4 | 4939 | unsigned int num, i; |
b22128ef JM |
4940 | |
4941 | os_memset(params, 0, sizeof(*params)); | |
4942 | params->role_go = 1; | |
7aeac985 | 4943 | params->ht40 = ht40; |
20ea1ca4 | 4944 | params->vht = vht; |
7cfc4ac3 | 4945 | if (freq) { |
54733624 JM |
4946 | if (!freq_included(channels, freq)) { |
4947 | wpa_printf(MSG_DEBUG, "P2P: Forced GO freq %d MHz not " | |
4948 | "accepted", freq); | |
4949 | return -1; | |
4950 | } | |
7cfc4ac3 AGS |
4951 | wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on forced " |
4952 | "frequency %d MHz", freq); | |
b22128ef | 4953 | params->freq = freq; |
7cfc4ac3 AGS |
4954 | } else if (wpa_s->conf->p2p_oper_reg_class == 81 && |
4955 | wpa_s->conf->p2p_oper_channel >= 1 && | |
54733624 JM |
4956 | wpa_s->conf->p2p_oper_channel <= 11 && |
4957 | freq_included(channels, | |
4958 | 2407 + 5 * wpa_s->conf->p2p_oper_channel)) { | |
b22128ef | 4959 | params->freq = 2407 + 5 * wpa_s->conf->p2p_oper_channel; |
7cfc4ac3 AGS |
4960 | wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on configured " |
4961 | "frequency %d MHz", params->freq); | |
54733624 JM |
4962 | } else if ((wpa_s->conf->p2p_oper_reg_class == 115 || |
4963 | wpa_s->conf->p2p_oper_reg_class == 116 || | |
4964 | wpa_s->conf->p2p_oper_reg_class == 117 || | |
4965 | wpa_s->conf->p2p_oper_reg_class == 124 || | |
4966 | wpa_s->conf->p2p_oper_reg_class == 126 || | |
4967 | wpa_s->conf->p2p_oper_reg_class == 127) && | |
4968 | freq_included(channels, | |
4969 | 5000 + 5 * wpa_s->conf->p2p_oper_channel)) { | |
b22128ef | 4970 | params->freq = 5000 + 5 * wpa_s->conf->p2p_oper_channel; |
7cfc4ac3 AGS |
4971 | wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on configured " |
4972 | "frequency %d MHz", params->freq); | |
4973 | } else if (wpa_s->conf->p2p_oper_channel == 0 && | |
4974 | wpa_s->best_overall_freq > 0 && | |
556b30da JM |
4975 | p2p_supported_freq_go(wpa_s->global->p2p, |
4976 | wpa_s->best_overall_freq) && | |
54733624 | 4977 | freq_included(channels, wpa_s->best_overall_freq)) { |
7cfc4ac3 AGS |
4978 | params->freq = wpa_s->best_overall_freq; |
4979 | wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on best overall " | |
4980 | "channel %d MHz", params->freq); | |
4981 | } else if (wpa_s->conf->p2p_oper_channel == 0 && | |
4982 | wpa_s->best_24_freq > 0 && | |
556b30da JM |
4983 | p2p_supported_freq_go(wpa_s->global->p2p, |
4984 | wpa_s->best_24_freq) && | |
54733624 | 4985 | freq_included(channels, wpa_s->best_24_freq)) { |
7cfc4ac3 AGS |
4986 | params->freq = wpa_s->best_24_freq; |
4987 | wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on best 2.4 GHz " | |
4988 | "channel %d MHz", params->freq); | |
4989 | } else if (wpa_s->conf->p2p_oper_channel == 0 && | |
4990 | wpa_s->best_5_freq > 0 && | |
556b30da JM |
4991 | p2p_supported_freq_go(wpa_s->global->p2p, |
4992 | wpa_s->best_5_freq) && | |
54733624 | 4993 | freq_included(channels, wpa_s->best_5_freq)) { |
7cfc4ac3 AGS |
4994 | params->freq = wpa_s->best_5_freq; |
4995 | wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on best 5 GHz " | |
4996 | "channel %d MHz", params->freq); | |
c6ccf12d SS |
4997 | } else if ((pref_freq = p2p_get_pref_freq(wpa_s->global->p2p, |
4998 | channels))) { | |
4999 | params->freq = pref_freq; | |
5000 | wpa_printf(MSG_DEBUG, "P2P: Set GO freq %d MHz from preferred " | |
5001 | "channels", params->freq); | |
7cfc4ac3 | 5002 | } else { |
6f3bc72b JM |
5003 | int chan; |
5004 | for (chan = 0; chan < 11; chan++) { | |
5005 | params->freq = 2412 + chan * 5; | |
5006 | if (!wpas_p2p_disallowed_freq(wpa_s->global, | |
54733624 JM |
5007 | params->freq) && |
5008 | freq_included(channels, params->freq)) | |
6f3bc72b JM |
5009 | break; |
5010 | } | |
5011 | if (chan == 11) { | |
5012 | wpa_printf(MSG_DEBUG, "P2P: No 2.4 GHz channel " | |
5013 | "allowed"); | |
5014 | return -1; | |
5015 | } | |
7cfc4ac3 AGS |
5016 | wpa_printf(MSG_DEBUG, "P2P: Set GO freq %d MHz (no preference " |
5017 | "known)", params->freq); | |
5018 | } | |
5019 | ||
0d08efa4 IP |
5020 | freqs = os_calloc(wpa_s->num_multichan_concurrent, sizeof(int)); |
5021 | if (!freqs) | |
5022 | return -1; | |
5023 | ||
5024 | res = wpas_p2p_valid_oper_freqs(wpa_s, freqs, | |
5025 | wpa_s->num_multichan_concurrent); | |
5026 | if (res < 0) { | |
5027 | os_free(freqs); | |
5028 | return -1; | |
5029 | } | |
5030 | num = res; | |
5031 | ||
7d669cf7 JM |
5032 | for (i = 0; i < num; i++) { |
5033 | if (freq && freqs[i] == freq) | |
5034 | break; | |
5035 | if (!freq && freq_included(channels, freqs[i])) { | |
5036 | wpa_printf(MSG_DEBUG, "P2P: Force GO on a channel we are already using (%u MHz)", | |
5037 | freqs[i]); | |
5038 | params->freq = freqs[i]; | |
5039 | break; | |
54733624 | 5040 | } |
7d669cf7 | 5041 | } |
b8349523 | 5042 | |
7d669cf7 JM |
5043 | if (i == num) { |
5044 | if (wpas_p2p_num_unused_channels(wpa_s) <= 0) { | |
5045 | if (freq) | |
0d08efa4 | 5046 | wpa_printf(MSG_DEBUG, "P2P: Cannot force GO on freq (%u MHz) as all the channels are in use", freq); |
7d669cf7 JM |
5047 | else |
5048 | wpa_printf(MSG_DEBUG, "P2P: Cannot force GO on any of the channels we are already using"); | |
5049 | os_free(freqs); | |
5050 | return -1; | |
5051 | } else if (num == 0) { | |
5052 | wpa_printf(MSG_DEBUG, "P2P: Use one of the free channels"); | |
5053 | } else { | |
5054 | wpa_printf(MSG_DEBUG, "P2P: Cannot force GO on any of the channels we are already using. Use one of the free channels"); | |
0d08efa4 IP |
5055 | } |
5056 | } | |
7d669cf7 | 5057 | |
0d08efa4 | 5058 | os_free(freqs); |
b8349523 | 5059 | return 0; |
b22128ef JM |
5060 | } |
5061 | ||
5062 | ||
5063 | static struct wpa_supplicant * | |
5064 | wpas_p2p_get_group_iface(struct wpa_supplicant *wpa_s, int addr_allocated, | |
5065 | int go) | |
5066 | { | |
5067 | struct wpa_supplicant *group_wpa_s; | |
5068 | ||
ac06fb12 JM |
5069 | if (!wpas_p2p_create_iface(wpa_s)) { |
5070 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Use same interface for group " | |
5071 | "operations"); | |
bbc6c729 | 5072 | wpa_s->p2p_first_connection_timeout = 0; |
b22128ef | 5073 | return wpa_s; |
ac06fb12 | 5074 | } |
b22128ef JM |
5075 | |
5076 | if (wpas_p2p_add_group_interface(wpa_s, go ? WPA_IF_P2P_GO : | |
ac06fb12 | 5077 | WPA_IF_P2P_CLIENT) < 0) { |
92c4465b JM |
5078 | wpa_msg_global(wpa_s, MSG_ERROR, |
5079 | "P2P: Failed to add group interface"); | |
b22128ef | 5080 | return NULL; |
ac06fb12 | 5081 | } |
b22128ef JM |
5082 | group_wpa_s = wpas_p2p_init_group_interface(wpa_s, go); |
5083 | if (group_wpa_s == NULL) { | |
92c4465b JM |
5084 | wpa_msg_global(wpa_s, MSG_ERROR, |
5085 | "P2P: Failed to initialize group interface"); | |
b22128ef JM |
5086 | wpas_p2p_remove_pending_group_interface(wpa_s); |
5087 | return NULL; | |
5088 | } | |
5089 | ||
ac06fb12 JM |
5090 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Use separate group interface %s", |
5091 | group_wpa_s->ifname); | |
bbc6c729 | 5092 | group_wpa_s->p2p_first_connection_timeout = 0; |
b22128ef JM |
5093 | return group_wpa_s; |
5094 | } | |
5095 | ||
5096 | ||
5097 | /** | |
5098 | * wpas_p2p_group_add - Add a new P2P group with local end as Group Owner | |
5099 | * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface() | |
5100 | * @persistent_group: Whether to create a persistent group | |
5101 | * @freq: Frequency for the group or 0 to indicate no hardcoding | |
20ea1ca4 EP |
5102 | * @ht40: Start GO with 40 MHz channel width |
5103 | * @vht: Start GO with VHT support | |
b22128ef JM |
5104 | * Returns: 0 on success, -1 on failure |
5105 | * | |
5106 | * This function creates a new P2P group with the local end as the Group Owner, | |
5107 | * i.e., without using Group Owner Negotiation. | |
5108 | */ | |
5109 | int wpas_p2p_group_add(struct wpa_supplicant *wpa_s, int persistent_group, | |
20ea1ca4 | 5110 | int freq, int ht40, int vht) |
b22128ef JM |
5111 | { |
5112 | struct p2p_go_neg_results params; | |
7cfc4ac3 | 5113 | |
9526fd29 JM |
5114 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
5115 | return -1; | |
5116 | ||
01a57fe4 JM |
5117 | os_free(wpa_s->global->add_psk); |
5118 | wpa_s->global->add_psk = NULL; | |
5119 | ||
2d4f15d6 JJ |
5120 | /* Make sure we are not running find during connection establishment */ |
5121 | wpa_printf(MSG_DEBUG, "P2P: Stop any on-going P2P FIND"); | |
8713a2e6 | 5122 | wpas_p2p_stop_find_oper(wpa_s); |
2d4f15d6 | 5123 | |
4abc0424 WJL |
5124 | freq = wpas_p2p_select_go_freq(wpa_s, freq); |
5125 | if (freq < 0) | |
4ae4650b | 5126 | return -1; |
4ae4650b | 5127 | |
20ea1ca4 | 5128 | if (wpas_p2p_init_go_params(wpa_s, ¶ms, freq, ht40, vht, NULL)) |
b8349523 | 5129 | return -1; |
f4329aa2 | 5130 | if (params.freq && |
556b30da | 5131 | !p2p_supported_freq_go(wpa_s->global->p2p, params.freq)) { |
f4329aa2 JM |
5132 | wpa_printf(MSG_DEBUG, "P2P: The selected channel for GO " |
5133 | "(%u MHz) is not supported for P2P uses", | |
5134 | params.freq); | |
5135 | return -1; | |
5136 | } | |
b22128ef JM |
5137 | p2p_go_params(wpa_s->global->p2p, ¶ms); |
5138 | params.persistent_group = persistent_group; | |
5139 | ||
5140 | wpa_s = wpas_p2p_get_group_iface(wpa_s, 0, 1); | |
5141 | if (wpa_s == NULL) | |
5142 | return -1; | |
5143 | wpas_start_wps_go(wpa_s, ¶ms, 0); | |
5144 | ||
5145 | return 0; | |
5146 | } | |
5147 | ||
5148 | ||
5149 | static int wpas_start_p2p_client(struct wpa_supplicant *wpa_s, | |
5150 | struct wpa_ssid *params, int addr_allocated) | |
5151 | { | |
5152 | struct wpa_ssid *ssid; | |
5153 | ||
5154 | wpa_s = wpas_p2p_get_group_iface(wpa_s, addr_allocated, 0); | |
5155 | if (wpa_s == NULL) | |
5156 | return -1; | |
5bf9a6c8 | 5157 | wpa_s->p2p_last_4way_hs_fail = NULL; |
b22128ef JM |
5158 | |
5159 | wpa_supplicant_ap_deinit(wpa_s); | |
5160 | ||
5161 | ssid = wpa_config_add_network(wpa_s->conf); | |
5162 | if (ssid == NULL) | |
5163 | return -1; | |
b22128ef JM |
5164 | wpa_config_set_network_defaults(ssid); |
5165 | ssid->temporary = 1; | |
5166 | ssid->proto = WPA_PROTO_RSN; | |
5167 | ssid->pairwise_cipher = WPA_CIPHER_CCMP; | |
5168 | ssid->group_cipher = WPA_CIPHER_CCMP; | |
5169 | ssid->key_mgmt = WPA_KEY_MGMT_PSK; | |
5170 | ssid->ssid = os_malloc(params->ssid_len); | |
5171 | if (ssid->ssid == NULL) { | |
b22128ef JM |
5172 | wpa_config_remove_network(wpa_s->conf, ssid->id); |
5173 | return -1; | |
5174 | } | |
5175 | os_memcpy(ssid->ssid, params->ssid, params->ssid_len); | |
5176 | ssid->ssid_len = params->ssid_len; | |
5177 | ssid->p2p_group = 1; | |
d1c8ac88 | 5178 | ssid->export_keys = 1; |
b22128ef JM |
5179 | if (params->psk_set) { |
5180 | os_memcpy(ssid->psk, params->psk, 32); | |
5181 | ssid->psk_set = 1; | |
5182 | } | |
5183 | if (params->passphrase) | |
5184 | ssid->passphrase = os_strdup(params->passphrase); | |
5185 | ||
b22128ef JM |
5186 | wpa_s->show_group_started = 1; |
5187 | ||
6fc48481 RR |
5188 | wpa_supplicant_select_network(wpa_s, ssid); |
5189 | ||
b22128ef JM |
5190 | return 0; |
5191 | } | |
5192 | ||
5193 | ||
5194 | int wpas_p2p_group_add_persistent(struct wpa_supplicant *wpa_s, | |
5195 | struct wpa_ssid *ssid, int addr_allocated, | |
062a7c0d MS |
5196 | int force_freq, int neg_freq, int ht40, |
5197 | int vht, const struct p2p_channels *channels, | |
bbc6c729 | 5198 | int connection_timeout) |
b22128ef JM |
5199 | { |
5200 | struct p2p_go_neg_results params; | |
062a7c0d | 5201 | int go = 0, freq; |
b22128ef JM |
5202 | |
5203 | if (ssid->disabled != 2 || ssid->ssid == NULL) | |
5204 | return -1; | |
5205 | ||
6c0da49f JM |
5206 | if (wpas_get_p2p_group(wpa_s, ssid->ssid, ssid->ssid_len, &go) && |
5207 | go == (ssid->mode == WPAS_MODE_P2P_GO)) { | |
5208 | wpa_printf(MSG_DEBUG, "P2P: Requested persistent group is " | |
5209 | "already running"); | |
5210 | return 0; | |
5211 | } | |
5212 | ||
01a57fe4 JM |
5213 | os_free(wpa_s->global->add_psk); |
5214 | wpa_s->global->add_psk = NULL; | |
5215 | ||
9d39057c | 5216 | /* Make sure we are not running find during connection establishment */ |
8713a2e6 | 5217 | wpas_p2p_stop_find_oper(wpa_s); |
b22128ef | 5218 | |
aa9bb764 JM |
5219 | wpa_s->p2p_fallback_to_go_neg = 0; |
5220 | ||
b22128ef JM |
5221 | if (ssid->mode == WPAS_MODE_INFRA) |
5222 | return wpas_start_p2p_client(wpa_s, ssid, addr_allocated); | |
5223 | ||
5224 | if (ssid->mode != WPAS_MODE_P2P_GO) | |
5225 | return -1; | |
5226 | ||
062a7c0d MS |
5227 | if (force_freq > 0) { |
5228 | freq = wpas_p2p_select_go_freq(wpa_s, force_freq); | |
5229 | if (freq < 0) | |
5230 | return -1; | |
5231 | } else { | |
5232 | freq = wpas_p2p_select_go_freq(wpa_s, neg_freq); | |
5233 | if (freq < 0 || (freq > 0 && !freq_included(channels, freq))) | |
5234 | freq = 0; | |
5235 | } | |
4abc0424 | 5236 | |
20ea1ca4 | 5237 | if (wpas_p2p_init_go_params(wpa_s, ¶ms, freq, ht40, vht, channels)) |
b8349523 | 5238 | return -1; |
b22128ef JM |
5239 | |
5240 | params.role_go = 1; | |
30c371e8 MH |
5241 | params.psk_set = ssid->psk_set; |
5242 | if (params.psk_set) | |
5243 | os_memcpy(params.psk, ssid->psk, sizeof(params.psk)); | |
bb4d4deb MH |
5244 | if (ssid->passphrase) { |
5245 | if (os_strlen(ssid->passphrase) >= sizeof(params.passphrase)) { | |
5246 | wpa_printf(MSG_ERROR, "P2P: Invalid passphrase in " | |
5247 | "persistent group"); | |
5248 | return -1; | |
5249 | } | |
5250 | os_strlcpy(params.passphrase, ssid->passphrase, | |
5251 | sizeof(params.passphrase)); | |
b22128ef | 5252 | } |
b22128ef JM |
5253 | os_memcpy(params.ssid, ssid->ssid, ssid->ssid_len); |
5254 | params.ssid_len = ssid->ssid_len; | |
5255 | params.persistent_group = 1; | |
5256 | ||
5257 | wpa_s = wpas_p2p_get_group_iface(wpa_s, addr_allocated, 1); | |
5258 | if (wpa_s == NULL) | |
5259 | return -1; | |
5260 | ||
bbc6c729 | 5261 | wpa_s->p2p_first_connection_timeout = connection_timeout; |
b22128ef JM |
5262 | wpas_start_wps_go(wpa_s, ¶ms, 0); |
5263 | ||
5264 | return 0; | |
5265 | } | |
5266 | ||
5267 | ||
5268 | static void wpas_p2p_ie_update(void *ctx, struct wpabuf *beacon_ies, | |
5269 | struct wpabuf *proberesp_ies) | |
5270 | { | |
5271 | struct wpa_supplicant *wpa_s = ctx; | |
5272 | if (wpa_s->ap_iface) { | |
5273 | struct hostapd_data *hapd = wpa_s->ap_iface->bss[0]; | |
adc33680 JM |
5274 | if (!(hapd->conf->p2p & P2P_GROUP_OWNER)) { |
5275 | wpabuf_free(beacon_ies); | |
5276 | wpabuf_free(proberesp_ies); | |
5277 | return; | |
5278 | } | |
b22128ef JM |
5279 | if (beacon_ies) { |
5280 | wpabuf_free(hapd->p2p_beacon_ie); | |
5281 | hapd->p2p_beacon_ie = beacon_ies; | |
5282 | } | |
5283 | wpabuf_free(hapd->p2p_probe_resp_ie); | |
5284 | hapd->p2p_probe_resp_ie = proberesp_ies; | |
5285 | } else { | |
5286 | wpabuf_free(beacon_ies); | |
5287 | wpabuf_free(proberesp_ies); | |
5288 | } | |
5289 | wpa_supplicant_ap_update_beacon(wpa_s); | |
5290 | } | |
5291 | ||
5292 | ||
3071e181 JM |
5293 | static void wpas_p2p_idle_update(void *ctx, int idle) |
5294 | { | |
5295 | struct wpa_supplicant *wpa_s = ctx; | |
5296 | if (!wpa_s->ap_iface) | |
5297 | return; | |
5298 | wpa_printf(MSG_DEBUG, "P2P: GO - group %sidle", idle ? "" : "not "); | |
95fb2db2 JM |
5299 | if (idle) { |
5300 | if (wpa_s->global->p2p_fail_on_wps_complete && | |
5301 | wpa_s->p2p_in_provisioning) { | |
5302 | wpas_p2p_grpform_fail_after_wps(wpa_s); | |
5303 | return; | |
5304 | } | |
3071e181 | 5305 | wpas_p2p_set_group_idle_timeout(wpa_s); |
95fb2db2 | 5306 | } else |
3071e181 JM |
5307 | eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL); |
5308 | } | |
5309 | ||
5310 | ||
b22128ef | 5311 | struct p2p_group * wpas_p2p_group_init(struct wpa_supplicant *wpa_s, |
6f251b6b | 5312 | struct wpa_ssid *ssid) |
b22128ef JM |
5313 | { |
5314 | struct p2p_group *group; | |
5315 | struct p2p_group_config *cfg; | |
5316 | ||
9526fd29 JM |
5317 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
5318 | return NULL; | |
3ac17eba | 5319 | |
b22128ef JM |
5320 | cfg = os_zalloc(sizeof(*cfg)); |
5321 | if (cfg == NULL) | |
5322 | return NULL; | |
5323 | ||
6f251b6b | 5324 | if (ssid->p2p_persistent_group && wpa_s->conf->persistent_reconnect) |
acc247b2 | 5325 | cfg->persistent_group = 2; |
6f251b6b | 5326 | else if (ssid->p2p_persistent_group) |
acc247b2 | 5327 | cfg->persistent_group = 1; |
b22128ef | 5328 | os_memcpy(cfg->interface_addr, wpa_s->own_addr, ETH_ALEN); |
3f4ce13f JM |
5329 | if (wpa_s->max_stations && |
5330 | wpa_s->max_stations < wpa_s->conf->max_num_sta) | |
5331 | cfg->max_clients = wpa_s->max_stations; | |
5332 | else | |
5333 | cfg->max_clients = wpa_s->conf->max_num_sta; | |
6f251b6b JM |
5334 | os_memcpy(cfg->ssid, ssid->ssid, ssid->ssid_len); |
5335 | cfg->ssid_len = ssid->ssid_len; | |
ea43ad96 | 5336 | cfg->freq = ssid->frequency; |
b22128ef JM |
5337 | cfg->cb_ctx = wpa_s; |
5338 | cfg->ie_update = wpas_p2p_ie_update; | |
3071e181 | 5339 | cfg->idle_update = wpas_p2p_idle_update; |
b22128ef JM |
5340 | |
5341 | group = p2p_group_init(wpa_s->global->p2p, cfg); | |
5342 | if (group == NULL) | |
5343 | os_free(cfg); | |
6f251b6b | 5344 | if (ssid->mode != WPAS_MODE_P2P_GROUP_FORMATION) |
b22128ef JM |
5345 | p2p_group_notif_formation_done(group); |
5346 | wpa_s->p2p_group = group; | |
5347 | return group; | |
5348 | } | |
5349 | ||
5350 | ||
5351 | void wpas_p2p_wps_success(struct wpa_supplicant *wpa_s, const u8 *peer_addr, | |
5352 | int registrar) | |
5353 | { | |
10531d21 JM |
5354 | struct wpa_ssid *ssid = wpa_s->current_ssid; |
5355 | ||
b22128ef JM |
5356 | if (!wpa_s->p2p_in_provisioning) { |
5357 | wpa_printf(MSG_DEBUG, "P2P: Ignore WPS success event - P2P " | |
5358 | "provisioning not in progress"); | |
5359 | return; | |
5360 | } | |
5361 | ||
10531d21 JM |
5362 | if (ssid && ssid->mode == WPAS_MODE_INFRA) { |
5363 | u8 go_dev_addr[ETH_ALEN]; | |
5364 | os_memcpy(go_dev_addr, wpa_s->bssid, ETH_ALEN); | |
5365 | wpas_p2p_persistent_group(wpa_s, go_dev_addr, ssid->ssid, | |
5366 | ssid->ssid_len); | |
5367 | /* Clear any stored provisioning info */ | |
5368 | p2p_clear_provisioning_info(wpa_s->global->p2p, go_dev_addr); | |
5369 | } | |
ec437d9e | 5370 | |
b22128ef JM |
5371 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s->parent, |
5372 | NULL); | |
41f85323 | 5373 | wpa_s->p2p_go_group_formation_completed = 1; |
361cdf34 JM |
5374 | if (ssid && ssid->mode == WPAS_MODE_INFRA) { |
5375 | /* | |
5376 | * Use a separate timeout for initial data connection to | |
5377 | * complete to allow the group to be removed automatically if | |
5378 | * something goes wrong in this step before the P2P group idle | |
5379 | * timeout mechanism is taken into use. | |
5380 | */ | |
41f85323 JM |
5381 | wpa_dbg(wpa_s, MSG_DEBUG, |
5382 | "P2P: Re-start group formation timeout (%d seconds) as client for initial connection", | |
5383 | P2P_MAX_INITIAL_CONN_WAIT); | |
361cdf34 JM |
5384 | eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT, 0, |
5385 | wpas_p2p_group_formation_timeout, | |
ad853202 | 5386 | wpa_s->parent, NULL); |
41f85323 JM |
5387 | } else if (ssid) { |
5388 | /* | |
5389 | * Use a separate timeout for initial data connection to | |
5390 | * complete to allow the group to be removed automatically if | |
5391 | * the client does not complete data connection successfully. | |
5392 | */ | |
5393 | wpa_dbg(wpa_s, MSG_DEBUG, | |
5394 | "P2P: Re-start group formation timeout (%d seconds) as GO for initial connection", | |
5395 | P2P_MAX_INITIAL_CONN_WAIT_GO); | |
5396 | eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT_GO, 0, | |
5397 | wpas_p2p_group_formation_timeout, | |
5398 | wpa_s->parent, NULL); | |
5399 | /* | |
5400 | * Complete group formation on first successful data connection | |
5401 | */ | |
5402 | wpa_s->p2p_go_group_formation_completed = 0; | |
361cdf34 | 5403 | } |
b22128ef JM |
5404 | if (wpa_s->global->p2p) |
5405 | p2p_wps_success_cb(wpa_s->global->p2p, peer_addr); | |
5406 | wpas_group_formation_completed(wpa_s, 1); | |
5407 | } | |
5408 | ||
5409 | ||
3734552f JS |
5410 | void wpas_p2p_wps_failed(struct wpa_supplicant *wpa_s, |
5411 | struct wps_event_fail *fail) | |
5412 | { | |
5413 | if (!wpa_s->p2p_in_provisioning) { | |
5414 | wpa_printf(MSG_DEBUG, "P2P: Ignore WPS fail event - P2P " | |
5415 | "provisioning not in progress"); | |
5416 | return; | |
5417 | } | |
ec437d9e JJ |
5418 | |
5419 | if (wpa_s->go_params) { | |
5420 | p2p_clear_provisioning_info( | |
5421 | wpa_s->global->p2p, | |
10531d21 | 5422 | wpa_s->go_params->peer_device_addr); |
ec437d9e JJ |
5423 | } |
5424 | ||
3734552f | 5425 | wpas_notify_p2p_wps_failed(wpa_s, fail); |
95fb2db2 JM |
5426 | |
5427 | if (wpa_s == wpa_s->global->p2p_group_formation) { | |
5428 | /* | |
5429 | * Allow some time for the failed WPS negotiation exchange to | |
5430 | * complete, but remove the group since group formation cannot | |
5431 | * succeed after provisioning failure. | |
5432 | */ | |
5433 | wpa_printf(MSG_DEBUG, "P2P: WPS step failed during group formation - reject connection from timeout"); | |
5434 | wpa_s->global->p2p_fail_on_wps_complete = 1; | |
5435 | eloop_deplete_timeout(0, 50000, | |
5436 | wpas_p2p_group_formation_timeout, | |
5437 | wpa_s->parent, NULL); | |
5438 | } | |
5439 | } | |
5440 | ||
5441 | ||
5442 | int wpas_p2p_wps_eapol_cb(struct wpa_supplicant *wpa_s) | |
5443 | { | |
5444 | if (!wpa_s->global->p2p_fail_on_wps_complete || | |
5445 | !wpa_s->p2p_in_provisioning) | |
5446 | return 0; | |
5447 | ||
5448 | wpas_p2p_grpform_fail_after_wps(wpa_s); | |
5449 | ||
5450 | return 1; | |
3734552f JS |
5451 | } |
5452 | ||
5453 | ||
b22128ef | 5454 | int wpas_p2p_prov_disc(struct wpa_supplicant *wpa_s, const u8 *peer_addr, |
0918c4bf JM |
5455 | const char *config_method, |
5456 | enum wpas_p2p_prov_disc_use use) | |
b22128ef JM |
5457 | { |
5458 | u16 config_methods; | |
5459 | ||
aa9bb764 | 5460 | wpa_s->p2p_fallback_to_go_neg = 0; |
0918c4bf | 5461 | wpa_s->pending_pd_use = NORMAL_PD; |
8c5f7309 | 5462 | if (os_strncmp(config_method, "display", 7) == 0) |
b22128ef | 5463 | config_methods = WPS_CONFIG_DISPLAY; |
8c5f7309 | 5464 | else if (os_strncmp(config_method, "keypad", 6) == 0) |
b22128ef | 5465 | config_methods = WPS_CONFIG_KEYPAD; |
8c5f7309 JJ |
5466 | else if (os_strncmp(config_method, "pbc", 3) == 0 || |
5467 | os_strncmp(config_method, "pushbutton", 10) == 0) | |
b22128ef | 5468 | config_methods = WPS_CONFIG_PUSHBUTTON; |
8c5f7309 JJ |
5469 | else { |
5470 | wpa_printf(MSG_DEBUG, "P2P: Unknown config method"); | |
b22128ef | 5471 | return -1; |
8c5f7309 | 5472 | } |
b22128ef | 5473 | |
0918c4bf JM |
5474 | if (use == WPAS_P2P_PD_AUTO) { |
5475 | os_memcpy(wpa_s->pending_join_dev_addr, peer_addr, ETH_ALEN); | |
5476 | wpa_s->pending_pd_config_methods = config_methods; | |
5477 | wpa_s->p2p_auto_pd = 1; | |
5478 | wpa_s->p2p_auto_join = 0; | |
5479 | wpa_s->pending_pd_before_join = 0; | |
84286a22 | 5480 | wpa_s->auto_pd_scan_retry = 0; |
0918c4bf JM |
5481 | wpas_p2p_stop_find(wpa_s); |
5482 | wpa_s->p2p_join_scan_count = 0; | |
acb69cec | 5483 | os_get_reltime(&wpa_s->p2p_auto_started); |
84286a22 SDU |
5484 | wpa_printf(MSG_DEBUG, "P2P: Auto PD started at %ld.%06ld", |
5485 | wpa_s->p2p_auto_started.sec, | |
5486 | wpa_s->p2p_auto_started.usec); | |
0918c4bf JM |
5487 | wpas_p2p_join_scan(wpa_s, NULL); |
5488 | return 0; | |
5489 | } | |
5490 | ||
9526fd29 | 5491 | if (wpa_s->global->p2p == NULL || wpa_s->global->p2p_disabled) |
b22128ef JM |
5492 | return -1; |
5493 | ||
5494 | return p2p_prov_disc_req(wpa_s->global->p2p, peer_addr, | |
0918c4bf | 5495 | config_methods, use == WPAS_P2P_PD_FOR_JOIN, |
67527166 | 5496 | 0, 1); |
b22128ef JM |
5497 | } |
5498 | ||
5499 | ||
5500 | int wpas_p2p_scan_result_text(const u8 *ies, size_t ies_len, char *buf, | |
5501 | char *end) | |
5502 | { | |
5503 | return p2p_scan_result_text(ies, ies_len, buf, end); | |
5504 | } | |
5505 | ||
5506 | ||
1cc3a29d JM |
5507 | static void wpas_p2p_clear_pending_action_tx(struct wpa_supplicant *wpa_s) |
5508 | { | |
2f3101d8 | 5509 | if (!offchannel_pending_action_tx(wpa_s)) |
1cc3a29d JM |
5510 | return; |
5511 | ||
5512 | wpa_printf(MSG_DEBUG, "P2P: Drop pending Action TX due to new " | |
5513 | "operation request"); | |
2f3101d8 | 5514 | offchannel_clear_pending_action_tx(wpa_s); |
1cc3a29d JM |
5515 | } |
5516 | ||
5517 | ||
b22128ef | 5518 | int wpas_p2p_find(struct wpa_supplicant *wpa_s, unsigned int timeout, |
046ef4aa | 5519 | enum p2p_discovery_type type, |
6d92fa6e | 5520 | unsigned int num_req_dev_types, const u8 *req_dev_types, |
37448ede | 5521 | const u8 *dev_id, unsigned int search_delay) |
b22128ef | 5522 | { |
1cc3a29d | 5523 | wpas_p2p_clear_pending_action_tx(wpa_s); |
b22128ef JM |
5524 | wpa_s->p2p_long_listen = 0; |
5525 | ||
5bda43cd | 5526 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL || |
85a6cdb5 | 5527 | wpa_s->p2p_in_provisioning) |
9526fd29 JM |
5528 | return -1; |
5529 | ||
433cd2ce JM |
5530 | wpa_supplicant_cancel_sched_scan(wpa_s); |
5531 | ||
046ef4aa | 5532 | return p2p_find(wpa_s->global->p2p, timeout, type, |
37448ede JM |
5533 | num_req_dev_types, req_dev_types, dev_id, |
5534 | search_delay); | |
b22128ef JM |
5535 | } |
5536 | ||
5537 | ||
8713a2e6 | 5538 | static int wpas_p2p_stop_find_oper(struct wpa_supplicant *wpa_s) |
b22128ef | 5539 | { |
1cc3a29d | 5540 | wpas_p2p_clear_pending_action_tx(wpa_s); |
b22128ef | 5541 | wpa_s->p2p_long_listen = 0; |
9d39057c | 5542 | eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL); |
ef922c4a | 5543 | eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL); |
b22128ef | 5544 | |
9526fd29 JM |
5545 | if (wpa_s->global->p2p) |
5546 | p2p_stop_find(wpa_s->global->p2p); | |
b22128ef | 5547 | |
8713a2e6 JM |
5548 | return 0; |
5549 | } | |
5550 | ||
5551 | ||
5552 | void wpas_p2p_stop_find(struct wpa_supplicant *wpa_s) | |
5553 | { | |
5554 | if (wpas_p2p_stop_find_oper(wpa_s) > 0) | |
5555 | return; | |
b22128ef JM |
5556 | wpas_p2p_remove_pending_group_interface(wpa_s); |
5557 | } | |
5558 | ||
5559 | ||
5560 | static void wpas_p2p_long_listen_timeout(void *eloop_ctx, void *timeout_ctx) | |
5561 | { | |
5562 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
5563 | wpa_s->p2p_long_listen = 0; | |
5564 | } | |
5565 | ||
5566 | ||
5567 | int wpas_p2p_listen(struct wpa_supplicant *wpa_s, unsigned int timeout) | |
5568 | { | |
5569 | int res; | |
5570 | ||
9526fd29 JM |
5571 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
5572 | return -1; | |
5573 | ||
433cd2ce | 5574 | wpa_supplicant_cancel_sched_scan(wpa_s); |
1cc3a29d JM |
5575 | wpas_p2p_clear_pending_action_tx(wpa_s); |
5576 | ||
b22128ef JM |
5577 | if (timeout == 0) { |
5578 | /* | |
5579 | * This is a request for unlimited Listen state. However, at | |
5580 | * least for now, this is mapped to a Listen state for one | |
5581 | * hour. | |
5582 | */ | |
5583 | timeout = 3600; | |
5584 | } | |
5585 | eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL); | |
5586 | wpa_s->p2p_long_listen = 0; | |
5587 | ||
2bb747e2 JM |
5588 | /* |
5589 | * Stop previous find/listen operation to avoid trying to request a new | |
5590 | * remain-on-channel operation while the driver is still running the | |
5591 | * previous one. | |
5592 | */ | |
5593 | if (wpa_s->global->p2p) | |
5594 | p2p_stop_find(wpa_s->global->p2p); | |
5595 | ||
b22128ef JM |
5596 | res = wpas_p2p_listen_start(wpa_s, timeout * 1000); |
5597 | if (res == 0 && timeout * 1000 > wpa_s->max_remain_on_chan) { | |
11fb02be | 5598 | wpa_s->p2p_long_listen = timeout * 1000; |
b22128ef JM |
5599 | eloop_register_timeout(timeout, 0, |
5600 | wpas_p2p_long_listen_timeout, | |
5601 | wpa_s, NULL); | |
5602 | } | |
5603 | ||
5604 | return res; | |
5605 | } | |
5606 | ||
5607 | ||
4c08c0bd | 5608 | int wpas_p2p_assoc_req_ie(struct wpa_supplicant *wpa_s, struct wpa_bss *bss, |
b22128ef JM |
5609 | u8 *buf, size_t len, int p2p_group) |
5610 | { | |
4c08c0bd JM |
5611 | struct wpabuf *p2p_ie; |
5612 | int ret; | |
5613 | ||
b22128ef JM |
5614 | if (wpa_s->global->p2p_disabled) |
5615 | return -1; | |
5616 | if (wpa_s->global->p2p == NULL) | |
5617 | return -1; | |
e1f1509b JM |
5618 | if (bss == NULL) |
5619 | return -1; | |
b22128ef | 5620 | |
4c08c0bd JM |
5621 | p2p_ie = wpa_bss_get_vendor_ie_multi(bss, P2P_IE_VENDOR_TYPE); |
5622 | ret = p2p_assoc_req_ie(wpa_s->global->p2p, bss->bssid, buf, len, | |
5623 | p2p_group, p2p_ie); | |
5624 | wpabuf_free(p2p_ie); | |
5625 | ||
5626 | return ret; | |
b22128ef JM |
5627 | } |
5628 | ||
5629 | ||
5630 | int wpas_p2p_probe_req_rx(struct wpa_supplicant *wpa_s, const u8 *addr, | |
04a85e44 | 5631 | const u8 *dst, const u8 *bssid, |
baf513d6 | 5632 | const u8 *ie, size_t ie_len, int ssi_signal) |
b22128ef JM |
5633 | { |
5634 | if (wpa_s->global->p2p_disabled) | |
5635 | return 0; | |
5636 | if (wpa_s->global->p2p == NULL) | |
5637 | return 0; | |
5638 | ||
2d43d37f JB |
5639 | switch (p2p_probe_req_rx(wpa_s->global->p2p, addr, dst, bssid, |
5640 | ie, ie_len)) { | |
5641 | case P2P_PREQ_NOT_P2P: | |
5642 | wpas_notify_preq(wpa_s, addr, dst, bssid, ie, ie_len, | |
5643 | ssi_signal); | |
5644 | /* fall through */ | |
5645 | case P2P_PREQ_MALFORMED: | |
5646 | case P2P_PREQ_NOT_LISTEN: | |
5647 | case P2P_PREQ_NOT_PROCESSED: | |
5648 | default: /* make gcc happy */ | |
5649 | return 0; | |
5650 | case P2P_PREQ_PROCESSED: | |
5651 | return 1; | |
5652 | } | |
b22128ef JM |
5653 | } |
5654 | ||
5655 | ||
5656 | void wpas_p2p_rx_action(struct wpa_supplicant *wpa_s, const u8 *da, | |
5657 | const u8 *sa, const u8 *bssid, | |
5658 | u8 category, const u8 *data, size_t len, int freq) | |
5659 | { | |
5660 | if (wpa_s->global->p2p_disabled) | |
5661 | return; | |
5662 | if (wpa_s->global->p2p == NULL) | |
5663 | return; | |
5664 | ||
5665 | p2p_rx_action(wpa_s->global->p2p, da, sa, bssid, category, data, len, | |
5666 | freq); | |
5667 | } | |
5668 | ||
5669 | ||
5670 | void wpas_p2p_scan_ie(struct wpa_supplicant *wpa_s, struct wpabuf *ies) | |
5671 | { | |
5672 | if (wpa_s->global->p2p_disabled) | |
5673 | return; | |
5674 | if (wpa_s->global->p2p == NULL) | |
5675 | return; | |
5676 | ||
6d92fa6e | 5677 | p2p_scan_ie(wpa_s->global->p2p, ies, NULL); |
b22128ef JM |
5678 | } |
5679 | ||
5680 | ||
5681 | void wpas_p2p_group_deinit(struct wpa_supplicant *wpa_s) | |
5682 | { | |
5683 | p2p_group_deinit(wpa_s->p2p_group); | |
5684 | wpa_s->p2p_group = NULL; | |
a7fd39bb JD |
5685 | |
5686 | wpa_s->ap_configured_cb = NULL; | |
5687 | wpa_s->ap_configured_cb_ctx = NULL; | |
5688 | wpa_s->ap_configured_cb_data = NULL; | |
5689 | wpa_s->connect_without_scan = NULL; | |
b22128ef JM |
5690 | } |
5691 | ||
5692 | ||
5693 | int wpas_p2p_reject(struct wpa_supplicant *wpa_s, const u8 *addr) | |
5694 | { | |
5695 | wpa_s->p2p_long_listen = 0; | |
5696 | ||
9526fd29 JM |
5697 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
5698 | return -1; | |
5699 | ||
b22128ef JM |
5700 | return p2p_reject(wpa_s->global->p2p, addr); |
5701 | } | |
5702 | ||
5703 | ||
5704 | /* Invite to reinvoke a persistent group */ | |
5705 | int wpas_p2p_invite(struct wpa_supplicant *wpa_s, const u8 *peer_addr, | |
4d32c0c4 | 5706 | struct wpa_ssid *ssid, const u8 *go_dev_addr, int freq, |
20ea1ca4 | 5707 | int ht40, int vht, int pref_freq) |
b22128ef JM |
5708 | { |
5709 | enum p2p_invite_role role; | |
0d08efa4 IP |
5710 | u8 *bssid = NULL; |
5711 | int force_freq = 0; | |
5de4b721 | 5712 | int res; |
d0f61a4b | 5713 | int no_pref_freq_given = pref_freq == 0; |
b22128ef | 5714 | |
dbca75f8 | 5715 | wpa_s->global->p2p_invite_group = NULL; |
77e4e853 JM |
5716 | if (peer_addr) |
5717 | os_memcpy(wpa_s->p2p_auth_invite, peer_addr, ETH_ALEN); | |
5718 | else | |
5719 | os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN); | |
5720 | ||
4d32c0c4 JM |
5721 | wpa_s->p2p_persistent_go_freq = freq; |
5722 | wpa_s->p2p_go_ht40 = !!ht40; | |
b22128ef JM |
5723 | if (ssid->mode == WPAS_MODE_P2P_GO) { |
5724 | role = P2P_INVITE_ROLE_GO; | |
5725 | if (peer_addr == NULL) { | |
5726 | wpa_printf(MSG_DEBUG, "P2P: Missing peer " | |
5727 | "address in invitation command"); | |
5728 | return -1; | |
5729 | } | |
5730 | if (wpas_p2p_create_iface(wpa_s)) { | |
5731 | if (wpas_p2p_add_group_interface(wpa_s, | |
5732 | WPA_IF_P2P_GO) < 0) { | |
5733 | wpa_printf(MSG_ERROR, "P2P: Failed to " | |
5734 | "allocate a new interface for the " | |
5735 | "group"); | |
5736 | return -1; | |
5737 | } | |
5738 | bssid = wpa_s->pending_interface_addr; | |
5739 | } else | |
5740 | bssid = wpa_s->own_addr; | |
5741 | } else { | |
5742 | role = P2P_INVITE_ROLE_CLIENT; | |
5743 | peer_addr = ssid->bssid; | |
5744 | } | |
5745 | wpa_s->pending_invite_ssid_id = ssid->id; | |
5746 | ||
51e9f228 JM |
5747 | res = wpas_p2p_setup_freqs(wpa_s, freq, &force_freq, &pref_freq, |
5748 | role == P2P_INVITE_ROLE_GO); | |
5de4b721 JM |
5749 | if (res) |
5750 | return res; | |
79879f4a | 5751 | |
9526fd29 JM |
5752 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
5753 | return -1; | |
5754 | ||
d0f61a4b JM |
5755 | if (wpa_s->parent->conf->p2p_ignore_shared_freq && |
5756 | no_pref_freq_given && pref_freq > 0 && | |
5757 | wpa_s->num_multichan_concurrent > 1 && | |
5758 | wpas_p2p_num_unused_channels(wpa_s) > 0) { | |
5759 | wpa_printf(MSG_DEBUG, "P2P: Ignore own channel preference %d MHz for invitation due to p2p_ignore_shared_freq=1 configuration", | |
5760 | pref_freq); | |
5761 | pref_freq = 0; | |
5762 | } | |
5763 | ||
b22128ef | 5764 | return p2p_invite(wpa_s->global->p2p, peer_addr, role, bssid, |
79879f4a | 5765 | ssid->ssid, ssid->ssid_len, force_freq, go_dev_addr, |
8e9f53c3 | 5766 | 1, pref_freq, -1); |
b22128ef JM |
5767 | } |
5768 | ||
5769 | ||
5770 | /* Invite to join an active group */ | |
5771 | int wpas_p2p_invite_group(struct wpa_supplicant *wpa_s, const char *ifname, | |
5772 | const u8 *peer_addr, const u8 *go_dev_addr) | |
5773 | { | |
5774 | struct wpa_global *global = wpa_s->global; | |
5775 | enum p2p_invite_role role; | |
0d08efa4 | 5776 | u8 *bssid = NULL; |
b22128ef | 5777 | struct wpa_ssid *ssid; |
c427ac92 | 5778 | int persistent; |
73b54d63 | 5779 | int freq = 0, force_freq = 0, pref_freq = 0; |
5de4b721 | 5780 | int res; |
b22128ef | 5781 | |
4d32c0c4 JM |
5782 | wpa_s->p2p_persistent_go_freq = 0; |
5783 | wpa_s->p2p_go_ht40 = 0; | |
20ea1ca4 | 5784 | wpa_s->p2p_go_vht = 0; |
4d32c0c4 | 5785 | |
b22128ef JM |
5786 | for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) { |
5787 | if (os_strcmp(wpa_s->ifname, ifname) == 0) | |
5788 | break; | |
5789 | } | |
5790 | if (wpa_s == NULL) { | |
5791 | wpa_printf(MSG_DEBUG, "P2P: Interface '%s' not found", ifname); | |
5792 | return -1; | |
5793 | } | |
5794 | ||
5795 | ssid = wpa_s->current_ssid; | |
5796 | if (ssid == NULL) { | |
5797 | wpa_printf(MSG_DEBUG, "P2P: No current SSID to use for " | |
5798 | "invitation"); | |
5799 | return -1; | |
5800 | } | |
5801 | ||
dbca75f8 | 5802 | wpa_s->global->p2p_invite_group = wpa_s; |
c427ac92 JM |
5803 | persistent = ssid->p2p_persistent_group && |
5804 | wpas_p2p_get_persistent(wpa_s->parent, peer_addr, | |
5805 | ssid->ssid, ssid->ssid_len); | |
5806 | ||
b22128ef JM |
5807 | if (ssid->mode == WPAS_MODE_P2P_GO) { |
5808 | role = P2P_INVITE_ROLE_ACTIVE_GO; | |
5809 | bssid = wpa_s->own_addr; | |
5810 | if (go_dev_addr == NULL) | |
d7e70476 | 5811 | go_dev_addr = wpa_s->global->p2p_dev_addr; |
73b54d63 | 5812 | freq = ssid->frequency; |
b22128ef JM |
5813 | } else { |
5814 | role = P2P_INVITE_ROLE_CLIENT; | |
5815 | if (wpa_s->wpa_state < WPA_ASSOCIATED) { | |
5816 | wpa_printf(MSG_DEBUG, "P2P: Not associated - cannot " | |
5817 | "invite to current group"); | |
5818 | return -1; | |
5819 | } | |
5820 | bssid = wpa_s->bssid; | |
5821 | if (go_dev_addr == NULL && | |
5822 | !is_zero_ether_addr(wpa_s->go_dev_addr)) | |
5823 | go_dev_addr = wpa_s->go_dev_addr; | |
73b54d63 JM |
5824 | freq = wpa_s->current_bss ? wpa_s->current_bss->freq : |
5825 | (int) wpa_s->assoc_freq; | |
b22128ef | 5826 | } |
bb79dc72 | 5827 | wpa_s->parent->pending_invite_ssid_id = -1; |
b22128ef | 5828 | |
9526fd29 JM |
5829 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
5830 | return -1; | |
5831 | ||
51e9f228 JM |
5832 | res = wpas_p2p_setup_freqs(wpa_s, freq, &force_freq, &pref_freq, |
5833 | role == P2P_INVITE_ROLE_ACTIVE_GO); | |
5de4b721 JM |
5834 | if (res) |
5835 | return res; | |
0d08efa4 | 5836 | wpas_p2p_set_own_freq_preference(wpa_s, force_freq); |
79879f4a | 5837 | |
b22128ef | 5838 | return p2p_invite(wpa_s->global->p2p, peer_addr, role, bssid, |
79879f4a | 5839 | ssid->ssid, ssid->ssid_len, force_freq, |
8e9f53c3 | 5840 | go_dev_addr, persistent, pref_freq, -1); |
b22128ef JM |
5841 | } |
5842 | ||
5843 | ||
5844 | void wpas_p2p_completed(struct wpa_supplicant *wpa_s) | |
5845 | { | |
5846 | struct wpa_ssid *ssid = wpa_s->current_ssid; | |
5847 | const char *ssid_txt; | |
5848 | u8 go_dev_addr[ETH_ALEN]; | |
4b6baa2f | 5849 | int network_id = -1; |
b22128ef | 5850 | int persistent; |
b49d6ccb | 5851 | int freq; |
25ef8529 JM |
5852 | u8 ip[3 * 4]; |
5853 | char ip_addr[100]; | |
b22128ef | 5854 | |
73ccd083 JM |
5855 | if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GROUP_FORMATION) { |
5856 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, | |
5857 | wpa_s->parent, NULL); | |
5858 | } | |
361cdf34 | 5859 | |
b22128ef | 5860 | if (!wpa_s->show_group_started || !ssid) |
1b5d4714 | 5861 | return; |
b22128ef JM |
5862 | |
5863 | wpa_s->show_group_started = 0; | |
5864 | ||
5865 | ssid_txt = wpa_ssid_txt(ssid->ssid, ssid->ssid_len); | |
5866 | os_memset(go_dev_addr, 0, ETH_ALEN); | |
5867 | if (ssid->bssid_set) | |
5868 | os_memcpy(go_dev_addr, ssid->bssid, ETH_ALEN); | |
5869 | persistent = wpas_p2p_persistent_group(wpa_s, go_dev_addr, ssid->ssid, | |
5870 | ssid->ssid_len); | |
5871 | os_memcpy(wpa_s->go_dev_addr, go_dev_addr, ETH_ALEN); | |
5872 | ||
a0a9f3b0 JM |
5873 | if (wpa_s->global->p2p_group_formation == wpa_s) |
5874 | wpa_s->global->p2p_group_formation = NULL; | |
5875 | ||
b49d6ccb JJ |
5876 | freq = wpa_s->current_bss ? wpa_s->current_bss->freq : |
5877 | (int) wpa_s->assoc_freq; | |
25ef8529 JM |
5878 | |
5879 | ip_addr[0] = '\0'; | |
5880 | if (wpa_sm_get_p2p_ip_addr(wpa_s->wpa, ip) == 0) { | |
5881 | os_snprintf(ip_addr, sizeof(ip_addr), " ip_addr=%u.%u.%u.%u " | |
5882 | "ip_mask=%u.%u.%u.%u go_ip_addr=%u.%u.%u.%u", | |
5883 | ip[0], ip[1], ip[2], ip[3], | |
5884 | ip[4], ip[5], ip[6], ip[7], | |
5885 | ip[8], ip[9], ip[10], ip[11]); | |
5886 | } | |
5887 | ||
b22128ef JM |
5888 | if (ssid->passphrase == NULL && ssid->psk_set) { |
5889 | char psk[65]; | |
5890 | wpa_snprintf_hex(psk, sizeof(psk), ssid->psk, 32); | |
92c4465b JM |
5891 | wpa_msg_global(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED |
5892 | "%s client ssid=\"%s\" freq=%d psk=%s " | |
25ef8529 | 5893 | "go_dev_addr=" MACSTR "%s%s", |
92c4465b JM |
5894 | wpa_s->ifname, ssid_txt, freq, psk, |
5895 | MAC2STR(go_dev_addr), | |
25ef8529 | 5896 | persistent ? " [PERSISTENT]" : "", ip_addr); |
b22128ef | 5897 | } else { |
92c4465b JM |
5898 | wpa_msg_global(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED |
5899 | "%s client ssid=\"%s\" freq=%d " | |
25ef8529 | 5900 | "passphrase=\"%s\" go_dev_addr=" MACSTR "%s%s", |
92c4465b JM |
5901 | wpa_s->ifname, ssid_txt, freq, |
5902 | ssid->passphrase ? ssid->passphrase : "", | |
5903 | MAC2STR(go_dev_addr), | |
25ef8529 | 5904 | persistent ? " [PERSISTENT]" : "", ip_addr); |
b22128ef JM |
5905 | } |
5906 | ||
5907 | if (persistent) | |
4b6baa2f JMB |
5908 | network_id = wpas_p2p_store_persistent_group(wpa_s->parent, |
5909 | ssid, go_dev_addr); | |
5910 | if (network_id < 0) | |
5911 | network_id = ssid->id; | |
5912 | wpas_notify_p2p_group_started(wpa_s, ssid, network_id, 1); | |
b22128ef JM |
5913 | } |
5914 | ||
5915 | ||
5916 | int wpas_p2p_presence_req(struct wpa_supplicant *wpa_s, u32 duration1, | |
5917 | u32 interval1, u32 duration2, u32 interval2) | |
5918 | { | |
c64e3a08 JM |
5919 | int ret; |
5920 | ||
9526fd29 JM |
5921 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
5922 | return -1; | |
3ac17eba | 5923 | |
b22128ef JM |
5924 | if (wpa_s->wpa_state < WPA_ASSOCIATED || |
5925 | wpa_s->current_ssid == NULL || | |
5926 | wpa_s->current_ssid->mode != WPAS_MODE_INFRA) | |
5927 | return -1; | |
5928 | ||
c64e3a08 JM |
5929 | ret = p2p_presence_req(wpa_s->global->p2p, wpa_s->bssid, |
5930 | wpa_s->own_addr, wpa_s->assoc_freq, | |
5931 | duration1, interval1, duration2, interval2); | |
5932 | if (ret == 0) | |
5933 | wpa_s->waiting_presence_resp = 1; | |
5934 | ||
5935 | return ret; | |
b22128ef JM |
5936 | } |
5937 | ||
5938 | ||
5939 | int wpas_p2p_ext_listen(struct wpa_supplicant *wpa_s, unsigned int period, | |
5940 | unsigned int interval) | |
5941 | { | |
9526fd29 JM |
5942 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
5943 | return -1; | |
5944 | ||
b22128ef JM |
5945 | return p2p_ext_listen(wpa_s->global->p2p, period, interval); |
5946 | } | |
5947 | ||
5948 | ||
c8106615 JM |
5949 | static int wpas_p2p_is_client(struct wpa_supplicant *wpa_s) |
5950 | { | |
5fbddfdc JM |
5951 | if (wpa_s->current_ssid == NULL) { |
5952 | /* | |
c7deed74 | 5953 | * current_ssid can be cleared when P2P client interface gets |
5fbddfdc JM |
5954 | * disconnected, so assume this interface was used as P2P |
5955 | * client. | |
5956 | */ | |
5957 | return 1; | |
5958 | } | |
5959 | return wpa_s->current_ssid->p2p_group && | |
c8106615 JM |
5960 | wpa_s->current_ssid->mode == WPAS_MODE_INFRA; |
5961 | } | |
5962 | ||
5963 | ||
3071e181 JM |
5964 | static void wpas_p2p_group_idle_timeout(void *eloop_ctx, void *timeout_ctx) |
5965 | { | |
5966 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
5967 | ||
c8106615 | 5968 | if (wpa_s->conf->p2p_group_idle == 0 && !wpas_p2p_is_client(wpa_s)) { |
3071e181 JM |
5969 | wpa_printf(MSG_DEBUG, "P2P: Ignore group idle timeout - " |
5970 | "disabled"); | |
5971 | return; | |
5972 | } | |
5973 | ||
5974 | wpa_printf(MSG_DEBUG, "P2P: Group idle timeout reached - terminate " | |
5975 | "group"); | |
8dba4aef | 5976 | wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_IDLE_TIMEOUT); |
3071e181 JM |
5977 | } |
5978 | ||
5979 | ||
5980 | static void wpas_p2p_set_group_idle_timeout(struct wpa_supplicant *wpa_s) | |
5981 | { | |
5f482d55 | 5982 | int timeout; |
c8106615 | 5983 | |
dddc7045 JM |
5984 | if (eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL) > 0) |
5985 | wpa_printf(MSG_DEBUG, "P2P: Cancelled P2P group idle timeout"); | |
5986 | ||
c8106615 | 5987 | if (wpa_s->current_ssid == NULL || !wpa_s->current_ssid->p2p_group) |
3071e181 JM |
5988 | return; |
5989 | ||
c8106615 JM |
5990 | timeout = wpa_s->conf->p2p_group_idle; |
5991 | if (wpa_s->current_ssid->mode == WPAS_MODE_INFRA && | |
5992 | (timeout == 0 || timeout > P2P_MAX_CLIENT_IDLE)) | |
5993 | timeout = P2P_MAX_CLIENT_IDLE; | |
5994 | ||
5995 | if (timeout == 0) | |
3071e181 JM |
5996 | return; |
5997 | ||
5f482d55 JM |
5998 | if (timeout < 0) { |
5999 | if (wpa_s->current_ssid->mode == WPAS_MODE_INFRA) | |
6000 | timeout = 0; /* special client mode no-timeout */ | |
6001 | else | |
6002 | return; | |
6003 | } | |
6004 | ||
8c472816 JM |
6005 | if (wpa_s->p2p_in_provisioning) { |
6006 | /* | |
6007 | * Use the normal group formation timeout during the | |
6008 | * provisioning phase to avoid terminating this process too | |
6009 | * early due to group idle timeout. | |
6010 | */ | |
6011 | wpa_printf(MSG_DEBUG, "P2P: Do not use P2P group idle timeout " | |
6012 | "during provisioning"); | |
6013 | return; | |
6014 | } | |
6015 | ||
361cdf34 JM |
6016 | if (wpa_s->show_group_started) { |
6017 | /* | |
6018 | * Use the normal group formation timeout between the end of | |
6019 | * the provisioning phase and completion of 4-way handshake to | |
6020 | * avoid terminating this process too early due to group idle | |
6021 | * timeout. | |
6022 | */ | |
6023 | wpa_printf(MSG_DEBUG, "P2P: Do not use P2P group idle timeout " | |
6024 | "while waiting for initial 4-way handshake to " | |
6025 | "complete"); | |
6026 | return; | |
6027 | } | |
6028 | ||
3071e181 | 6029 | wpa_printf(MSG_DEBUG, "P2P: Set P2P group idle timeout to %u seconds", |
c8106615 JM |
6030 | timeout); |
6031 | eloop_register_timeout(timeout, 0, wpas_p2p_group_idle_timeout, | |
6032 | wpa_s, NULL); | |
3071e181 JM |
6033 | } |
6034 | ||
6035 | ||
0aadd568 JM |
6036 | /* Returns 1 if the interface was removed */ |
6037 | int wpas_p2p_deauth_notif(struct wpa_supplicant *wpa_s, const u8 *bssid, | |
6038 | u16 reason_code, const u8 *ie, size_t ie_len, | |
6039 | int locally_generated) | |
b22128ef | 6040 | { |
9526fd29 | 6041 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
0aadd568 | 6042 | return 0; |
b22128ef | 6043 | |
3fc14102 JM |
6044 | if (!locally_generated) |
6045 | p2p_deauth_notif(wpa_s->global->p2p, bssid, reason_code, ie, | |
6046 | ie_len); | |
6047 | ||
6048 | if (reason_code == WLAN_REASON_DEAUTH_LEAVING && !locally_generated && | |
6049 | wpa_s->current_ssid && | |
6050 | wpa_s->current_ssid->p2p_group && | |
6051 | wpa_s->current_ssid->mode == WPAS_MODE_INFRA) { | |
6052 | wpa_printf(MSG_DEBUG, "P2P: GO indicated that the P2P Group " | |
6053 | "session is ending"); | |
0aadd568 JM |
6054 | if (wpas_p2p_group_delete(wpa_s, |
6055 | P2P_GROUP_REMOVAL_GO_ENDING_SESSION) | |
6056 | > 0) | |
6057 | return 1; | |
3fc14102 | 6058 | } |
0aadd568 JM |
6059 | |
6060 | return 0; | |
b22128ef JM |
6061 | } |
6062 | ||
6063 | ||
6064 | void wpas_p2p_disassoc_notif(struct wpa_supplicant *wpa_s, const u8 *bssid, | |
3fc14102 JM |
6065 | u16 reason_code, const u8 *ie, size_t ie_len, |
6066 | int locally_generated) | |
b22128ef | 6067 | { |
9526fd29 | 6068 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
b22128ef JM |
6069 | return; |
6070 | ||
3fc14102 JM |
6071 | if (!locally_generated) |
6072 | p2p_disassoc_notif(wpa_s->global->p2p, bssid, reason_code, ie, | |
6073 | ie_len); | |
b22128ef JM |
6074 | } |
6075 | ||
6076 | ||
6077 | void wpas_p2p_update_config(struct wpa_supplicant *wpa_s) | |
6078 | { | |
6079 | struct p2p_data *p2p = wpa_s->global->p2p; | |
6080 | ||
6081 | if (p2p == NULL) | |
6082 | return; | |
6083 | ||
4c010834 KL |
6084 | if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE)) |
6085 | return; | |
6086 | ||
b22128ef JM |
6087 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_NAME) |
6088 | p2p_set_dev_name(p2p, wpa_s->conf->device_name); | |
6089 | ||
2f646b6e JB |
6090 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_TYPE) |
6091 | p2p_set_pri_dev_type(p2p, wpa_s->conf->device_type); | |
b22128ef | 6092 | |
b6e01800 JM |
6093 | if (wpa_s->wps && |
6094 | (wpa_s->conf->changed_parameters & CFG_CHANGED_CONFIG_METHODS)) | |
6095 | p2p_set_config_methods(p2p, wpa_s->wps->config_methods); | |
6096 | ||
6097 | if (wpa_s->wps && (wpa_s->conf->changed_parameters & CFG_CHANGED_UUID)) | |
6098 | p2p_set_uuid(p2p, wpa_s->wps->uuid); | |
6099 | ||
6100 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_WPS_STRING) { | |
6101 | p2p_set_manufacturer(p2p, wpa_s->conf->manufacturer); | |
6102 | p2p_set_model_name(p2p, wpa_s->conf->model_name); | |
6103 | p2p_set_model_number(p2p, wpa_s->conf->model_number); | |
6104 | p2p_set_serial_number(p2p, wpa_s->conf->serial_number); | |
6105 | } | |
6106 | ||
2f646b6e JB |
6107 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_SEC_DEVICE_TYPE) |
6108 | p2p_set_sec_dev_types(p2p, | |
6109 | (void *) wpa_s->conf->sec_device_type, | |
6110 | wpa_s->conf->num_sec_device_types); | |
b22128ef | 6111 | |
f95cac27 JMB |
6112 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_VENDOR_EXTENSION) { |
6113 | int i; | |
6114 | p2p_remove_wps_vendor_extensions(p2p); | |
6115 | for (i = 0; i < MAX_WPS_VENDOR_EXT; i++) { | |
6116 | if (wpa_s->conf->wps_vendor_ext[i] == NULL) | |
6117 | continue; | |
6118 | p2p_add_wps_vendor_extension( | |
6119 | p2p, wpa_s->conf->wps_vendor_ext[i]); | |
6120 | } | |
6121 | } | |
6122 | ||
b22128ef JM |
6123 | if ((wpa_s->conf->changed_parameters & CFG_CHANGED_COUNTRY) && |
6124 | wpa_s->conf->country[0] && wpa_s->conf->country[1]) { | |
6125 | char country[3]; | |
6126 | country[0] = wpa_s->conf->country[0]; | |
6127 | country[1] = wpa_s->conf->country[1]; | |
6128 | country[2] = 0x04; | |
6129 | p2p_set_country(p2p, country); | |
6130 | } | |
6131 | ||
6132 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_SSID_POSTFIX) { | |
6133 | p2p_set_ssid_postfix(p2p, (u8 *) wpa_s->conf->p2p_ssid_postfix, | |
6134 | wpa_s->conf->p2p_ssid_postfix ? | |
6135 | os_strlen(wpa_s->conf->p2p_ssid_postfix) : | |
6136 | 0); | |
6137 | } | |
0f66abd2 SS |
6138 | |
6139 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_INTRA_BSS) | |
6140 | p2p_set_intra_bss_dist(p2p, wpa_s->conf->p2p_intra_bss); | |
2463ba70 JS |
6141 | |
6142 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_LISTEN_CHANNEL) { | |
6143 | u8 reg_class, channel; | |
6144 | int ret; | |
6145 | unsigned int r; | |
6146 | if (wpa_s->conf->p2p_listen_reg_class && | |
6147 | wpa_s->conf->p2p_listen_channel) { | |
6148 | reg_class = wpa_s->conf->p2p_listen_reg_class; | |
6149 | channel = wpa_s->conf->p2p_listen_channel; | |
6150 | } else { | |
6151 | reg_class = 81; | |
6152 | /* | |
6153 | * Pick one of the social channels randomly as the | |
6154 | * listen channel. | |
6155 | */ | |
6156 | os_get_random((u8 *) &r, sizeof(r)); | |
6157 | channel = 1 + (r % 3) * 5; | |
6158 | } | |
6159 | ret = p2p_set_listen_channel(p2p, reg_class, channel); | |
6160 | if (ret) | |
6161 | wpa_printf(MSG_ERROR, "P2P: Own listen channel update " | |
6162 | "failed: %d", ret); | |
6163 | } | |
6164 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_OPER_CHANNEL) { | |
6165 | u8 op_reg_class, op_channel, cfg_op_channel; | |
6166 | int ret = 0; | |
6167 | unsigned int r; | |
6168 | if (wpa_s->conf->p2p_oper_reg_class && | |
6169 | wpa_s->conf->p2p_oper_channel) { | |
6170 | op_reg_class = wpa_s->conf->p2p_oper_reg_class; | |
6171 | op_channel = wpa_s->conf->p2p_oper_channel; | |
6172 | cfg_op_channel = 1; | |
6173 | } else { | |
6174 | op_reg_class = 81; | |
6175 | /* | |
6176 | * Use random operation channel from (1, 6, 11) | |
6177 | *if no other preference is indicated. | |
6178 | */ | |
6179 | os_get_random((u8 *) &r, sizeof(r)); | |
6180 | op_channel = 1 + (r % 3) * 5; | |
6181 | cfg_op_channel = 0; | |
6182 | } | |
6183 | ret = p2p_set_oper_channel(p2p, op_reg_class, op_channel, | |
6184 | cfg_op_channel); | |
6185 | if (ret) | |
6186 | wpa_printf(MSG_ERROR, "P2P: Own oper channel update " | |
6187 | "failed: %d", ret); | |
6188 | } | |
21d996f7 JM |
6189 | |
6190 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_PREF_CHAN) { | |
6191 | if (p2p_set_pref_chan(p2p, wpa_s->conf->num_p2p_pref_chan, | |
6192 | wpa_s->conf->p2p_pref_chan) < 0) { | |
6193 | wpa_printf(MSG_ERROR, "P2P: Preferred channel list " | |
6194 | "update failed"); | |
6195 | } | |
556b30da JM |
6196 | |
6197 | if (p2p_set_no_go_freq(p2p, &wpa_s->conf->p2p_no_go_freq) < 0) { | |
6198 | wpa_printf(MSG_ERROR, "P2P: No GO channel list " | |
6199 | "update failed"); | |
6200 | } | |
21d996f7 | 6201 | } |
b22128ef | 6202 | } |
aefb53bd JM |
6203 | |
6204 | ||
6205 | int wpas_p2p_set_noa(struct wpa_supplicant *wpa_s, u8 count, int start, | |
6206 | int duration) | |
6207 | { | |
6208 | if (!wpa_s->ap_iface) | |
6209 | return -1; | |
6210 | return hostapd_p2p_set_noa(wpa_s->ap_iface->bss[0], count, start, | |
6211 | duration); | |
6212 | } | |
72044390 JM |
6213 | |
6214 | ||
6215 | int wpas_p2p_set_cross_connect(struct wpa_supplicant *wpa_s, int enabled) | |
6216 | { | |
9526fd29 | 6217 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
72044390 | 6218 | return -1; |
72044390 JM |
6219 | |
6220 | wpa_s->global->cross_connection = enabled; | |
6221 | p2p_set_cross_connect(wpa_s->global->p2p, enabled); | |
6222 | ||
6223 | if (!enabled) { | |
6224 | struct wpa_supplicant *iface; | |
6225 | ||
6226 | for (iface = wpa_s->global->ifaces; iface; iface = iface->next) | |
6227 | { | |
6228 | if (iface->cross_connect_enabled == 0) | |
6229 | continue; | |
6230 | ||
6231 | iface->cross_connect_enabled = 0; | |
6232 | iface->cross_connect_in_use = 0; | |
92c4465b JM |
6233 | wpa_msg_global(iface->parent, MSG_INFO, |
6234 | P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s", | |
6235 | iface->ifname, | |
6236 | iface->cross_connect_uplink); | |
72044390 JM |
6237 | } |
6238 | } | |
6239 | ||
6240 | return 0; | |
6241 | } | |
6242 | ||
6243 | ||
6244 | static void wpas_p2p_enable_cross_connect(struct wpa_supplicant *uplink) | |
6245 | { | |
6246 | struct wpa_supplicant *iface; | |
6247 | ||
6248 | if (!uplink->global->cross_connection) | |
6249 | return; | |
6250 | ||
6251 | for (iface = uplink->global->ifaces; iface; iface = iface->next) { | |
6252 | if (!iface->cross_connect_enabled) | |
6253 | continue; | |
6254 | if (os_strcmp(uplink->ifname, iface->cross_connect_uplink) != | |
6255 | 0) | |
6256 | continue; | |
6257 | if (iface->ap_iface == NULL) | |
6258 | continue; | |
6259 | if (iface->cross_connect_in_use) | |
6260 | continue; | |
6261 | ||
6262 | iface->cross_connect_in_use = 1; | |
92c4465b JM |
6263 | wpa_msg_global(iface->parent, MSG_INFO, |
6264 | P2P_EVENT_CROSS_CONNECT_ENABLE "%s %s", | |
6265 | iface->ifname, iface->cross_connect_uplink); | |
72044390 JM |
6266 | } |
6267 | } | |
6268 | ||
6269 | ||
6270 | static void wpas_p2p_disable_cross_connect(struct wpa_supplicant *uplink) | |
6271 | { | |
6272 | struct wpa_supplicant *iface; | |
6273 | ||
6274 | for (iface = uplink->global->ifaces; iface; iface = iface->next) { | |
6275 | if (!iface->cross_connect_enabled) | |
6276 | continue; | |
6277 | if (os_strcmp(uplink->ifname, iface->cross_connect_uplink) != | |
6278 | 0) | |
6279 | continue; | |
6280 | if (!iface->cross_connect_in_use) | |
6281 | continue; | |
6282 | ||
92c4465b JM |
6283 | wpa_msg_global(iface->parent, MSG_INFO, |
6284 | P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s", | |
6285 | iface->ifname, iface->cross_connect_uplink); | |
72044390 JM |
6286 | iface->cross_connect_in_use = 0; |
6287 | } | |
6288 | } | |
6289 | ||
6290 | ||
6291 | void wpas_p2p_notif_connected(struct wpa_supplicant *wpa_s) | |
6292 | { | |
6293 | if (wpa_s->ap_iface || wpa_s->current_ssid == NULL || | |
6294 | wpa_s->current_ssid->mode != WPAS_MODE_INFRA || | |
6295 | wpa_s->cross_connect_disallowed) | |
6296 | wpas_p2p_disable_cross_connect(wpa_s); | |
6297 | else | |
6298 | wpas_p2p_enable_cross_connect(wpa_s); | |
dddc7045 JM |
6299 | if (!wpa_s->ap_iface && |
6300 | eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL) > 0) | |
6301 | wpa_printf(MSG_DEBUG, "P2P: Cancelled P2P group idle timeout"); | |
72044390 JM |
6302 | } |
6303 | ||
6304 | ||
6305 | void wpas_p2p_notif_disconnected(struct wpa_supplicant *wpa_s) | |
6306 | { | |
6307 | wpas_p2p_disable_cross_connect(wpa_s); | |
4c2c6751 JM |
6308 | if (!wpa_s->ap_iface && |
6309 | !eloop_is_timeout_registered(wpas_p2p_group_idle_timeout, | |
6310 | wpa_s, NULL)) | |
3071e181 | 6311 | wpas_p2p_set_group_idle_timeout(wpa_s); |
72044390 JM |
6312 | } |
6313 | ||
6314 | ||
6315 | static void wpas_p2p_cross_connect_setup(struct wpa_supplicant *wpa_s) | |
6316 | { | |
6317 | struct wpa_supplicant *iface; | |
6318 | ||
6319 | if (!wpa_s->global->cross_connection) | |
6320 | return; | |
6321 | ||
6322 | for (iface = wpa_s->global->ifaces; iface; iface = iface->next) { | |
6323 | if (iface == wpa_s) | |
6324 | continue; | |
6325 | if (iface->drv_flags & | |
6326 | WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE) | |
6327 | continue; | |
6328 | if (iface->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE) | |
6329 | continue; | |
6330 | ||
6331 | wpa_s->cross_connect_enabled = 1; | |
6332 | os_strlcpy(wpa_s->cross_connect_uplink, iface->ifname, | |
6333 | sizeof(wpa_s->cross_connect_uplink)); | |
6334 | wpa_printf(MSG_DEBUG, "P2P: Enable cross connection from " | |
6335 | "%s to %s whenever uplink is available", | |
6336 | wpa_s->ifname, wpa_s->cross_connect_uplink); | |
6337 | ||
6338 | if (iface->ap_iface || iface->current_ssid == NULL || | |
6339 | iface->current_ssid->mode != WPAS_MODE_INFRA || | |
6340 | iface->cross_connect_disallowed || | |
6341 | iface->wpa_state != WPA_COMPLETED) | |
6342 | break; | |
6343 | ||
6344 | wpa_s->cross_connect_in_use = 1; | |
92c4465b JM |
6345 | wpa_msg_global(wpa_s->parent, MSG_INFO, |
6346 | P2P_EVENT_CROSS_CONNECT_ENABLE "%s %s", | |
6347 | wpa_s->ifname, wpa_s->cross_connect_uplink); | |
72044390 JM |
6348 | break; |
6349 | } | |
6350 | } | |
b73bf0a7 JM |
6351 | |
6352 | ||
6353 | int wpas_p2p_notif_pbc_overlap(struct wpa_supplicant *wpa_s) | |
6354 | { | |
6355 | if (wpa_s->p2p_group_interface != P2P_GROUP_INTERFACE_CLIENT && | |
6356 | !wpa_s->p2p_in_provisioning) | |
6357 | return 0; /* not P2P client operation */ | |
6358 | ||
6359 | wpa_printf(MSG_DEBUG, "P2P: Terminate connection due to WPS PBC " | |
6360 | "session overlap"); | |
148bb37f JM |
6361 | if (wpa_s != wpa_s->parent) |
6362 | wpa_msg_ctrl(wpa_s->parent, MSG_INFO, WPS_EVENT_OVERLAP); | |
1075b295 | 6363 | wpas_p2p_group_formation_failed(wpa_s); |
b73bf0a7 JM |
6364 | return 1; |
6365 | } | |
b5c9da8d JM |
6366 | |
6367 | ||
6368 | void wpas_p2p_update_channel_list(struct wpa_supplicant *wpa_s) | |
6369 | { | |
51e9f228 | 6370 | struct p2p_channels chan, cli_chan; |
b5c9da8d JM |
6371 | |
6372 | if (wpa_s->global == NULL || wpa_s->global->p2p == NULL) | |
6373 | return; | |
6374 | ||
6375 | os_memset(&chan, 0, sizeof(chan)); | |
51e9f228 JM |
6376 | os_memset(&cli_chan, 0, sizeof(cli_chan)); |
6377 | if (wpas_p2p_setup_channels(wpa_s, &chan, &cli_chan)) { | |
b5c9da8d JM |
6378 | wpa_printf(MSG_ERROR, "P2P: Failed to update supported " |
6379 | "channel list"); | |
6380 | return; | |
6381 | } | |
6382 | ||
51e9f228 | 6383 | p2p_update_channel_list(wpa_s->global->p2p, &chan, &cli_chan); |
b5c9da8d | 6384 | } |
59eba7a2 JM |
6385 | |
6386 | ||
50178335 JM |
6387 | static void wpas_p2p_scan_res_ignore(struct wpa_supplicant *wpa_s, |
6388 | struct wpa_scan_results *scan_res) | |
6389 | { | |
6390 | wpa_printf(MSG_DEBUG, "P2P: Ignore scan results"); | |
6391 | } | |
6392 | ||
6393 | ||
59eba7a2 JM |
6394 | int wpas_p2p_cancel(struct wpa_supplicant *wpa_s) |
6395 | { | |
6396 | struct wpa_global *global = wpa_s->global; | |
6397 | int found = 0; | |
231bbd03 | 6398 | const u8 *peer; |
59eba7a2 | 6399 | |
9526fd29 JM |
6400 | if (global->p2p == NULL) |
6401 | return -1; | |
6402 | ||
59eba7a2 JM |
6403 | wpa_printf(MSG_DEBUG, "P2P: Request to cancel group formation"); |
6404 | ||
6405 | if (wpa_s->pending_interface_name[0] && | |
6406 | !is_zero_ether_addr(wpa_s->pending_interface_addr)) | |
6407 | found = 1; | |
6408 | ||
231bbd03 SS |
6409 | peer = p2p_get_go_neg_peer(global->p2p); |
6410 | if (peer) { | |
6411 | wpa_printf(MSG_DEBUG, "P2P: Unauthorize pending GO Neg peer " | |
6412 | MACSTR, MAC2STR(peer)); | |
6413 | p2p_unauthorize(global->p2p, peer); | |
75c208b9 | 6414 | found = 1; |
231bbd03 SS |
6415 | } |
6416 | ||
50178335 JM |
6417 | if (wpa_s->scan_res_handler == wpas_p2p_scan_res_join) { |
6418 | wpa_printf(MSG_DEBUG, "P2P: Stop pending scan for join"); | |
6419 | wpa_s->scan_res_handler = wpas_p2p_scan_res_ignore; | |
6420 | found = 1; | |
6421 | } | |
6422 | ||
6423 | if (wpa_s->pending_pd_before_join) { | |
6424 | wpa_printf(MSG_DEBUG, "P2P: Stop pending PD before join"); | |
6425 | wpa_s->pending_pd_before_join = 0; | |
6426 | found = 1; | |
6427 | } | |
6428 | ||
59eba7a2 JM |
6429 | wpas_p2p_stop_find(wpa_s); |
6430 | ||
6431 | for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) { | |
6432 | if (wpa_s == global->p2p_group_formation && | |
a0a9f3b0 JM |
6433 | (wpa_s->p2p_in_provisioning || |
6434 | wpa_s->parent->pending_interface_type == | |
6435 | WPA_IF_P2P_CLIENT)) { | |
59eba7a2 JM |
6436 | wpa_printf(MSG_DEBUG, "P2P: Interface %s in group " |
6437 | "formation found - cancelling", | |
6438 | wpa_s->ifname); | |
6439 | found = 1; | |
45fee6f0 SS |
6440 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, |
6441 | wpa_s->parent, NULL); | |
30b80389 JM |
6442 | if (wpa_s->p2p_in_provisioning) { |
6443 | wpas_group_formation_completed(wpa_s, 0); | |
6444 | break; | |
6445 | } | |
8dba4aef JM |
6446 | wpas_p2p_group_delete(wpa_s, |
6447 | P2P_GROUP_REMOVAL_REQUESTED); | |
59eba7a2 JM |
6448 | break; |
6449 | } | |
6450 | } | |
6451 | ||
6452 | if (!found) { | |
6453 | wpa_printf(MSG_DEBUG, "P2P: No ongoing group formation found"); | |
6454 | return -1; | |
6455 | } | |
6456 | ||
6457 | return 0; | |
6458 | } | |
c973f386 JM |
6459 | |
6460 | ||
6461 | void wpas_p2p_interface_unavailable(struct wpa_supplicant *wpa_s) | |
6462 | { | |
6463 | if (wpa_s->current_ssid == NULL || !wpa_s->current_ssid->p2p_group) | |
6464 | return; | |
6465 | ||
6466 | wpa_printf(MSG_DEBUG, "P2P: Remove group due to driver resource not " | |
6467 | "being available anymore"); | |
8dba4aef | 6468 | wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_UNAVAILABLE); |
c973f386 | 6469 | } |
7cfc4ac3 AGS |
6470 | |
6471 | ||
6472 | void wpas_p2p_update_best_channels(struct wpa_supplicant *wpa_s, | |
6473 | int freq_24, int freq_5, int freq_overall) | |
6474 | { | |
6475 | struct p2p_data *p2p = wpa_s->global->p2p; | |
152cff6b | 6476 | if (p2p == NULL) |
7cfc4ac3 AGS |
6477 | return; |
6478 | p2p_set_best_channels(p2p, freq_24, freq_5, freq_overall); | |
6479 | } | |
9d562b79 SS |
6480 | |
6481 | ||
6482 | int wpas_p2p_unauthorize(struct wpa_supplicant *wpa_s, const char *addr) | |
6483 | { | |
6484 | u8 peer[ETH_ALEN]; | |
6485 | struct p2p_data *p2p = wpa_s->global->p2p; | |
6486 | ||
152cff6b | 6487 | if (p2p == NULL) |
9d562b79 SS |
6488 | return -1; |
6489 | ||
6490 | if (hwaddr_aton(addr, peer)) | |
6491 | return -1; | |
6492 | ||
6493 | return p2p_unauthorize(p2p, peer); | |
6494 | } | |
3103f345 JB |
6495 | |
6496 | ||
6497 | /** | |
6498 | * wpas_p2p_disconnect - Disconnect from a P2P Group | |
6499 | * @wpa_s: Pointer to wpa_supplicant data | |
6500 | * Returns: 0 on success, -1 on failure | |
6501 | * | |
6502 | * This can be used to disconnect from a group in which the local end is a P2P | |
6503 | * Client or to end a P2P Group in case the local end is the Group Owner. If a | |
6504 | * virtual network interface was created for this group, that interface will be | |
6505 | * removed. Otherwise, only the configured P2P group network will be removed | |
6506 | * from the interface. | |
6507 | */ | |
6508 | int wpas_p2p_disconnect(struct wpa_supplicant *wpa_s) | |
6509 | { | |
6510 | ||
6511 | if (wpa_s == NULL) | |
6512 | return -1; | |
6513 | ||
0aadd568 JM |
6514 | return wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_REQUESTED) < 0 ? |
6515 | -1 : 0; | |
3103f345 | 6516 | } |
303f60d3 JM |
6517 | |
6518 | ||
6519 | int wpas_p2p_in_progress(struct wpa_supplicant *wpa_s) | |
6520 | { | |
ec01d5f6 JM |
6521 | int ret; |
6522 | ||
303f60d3 JM |
6523 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
6524 | return 0; | |
6525 | ||
ec01d5f6 JM |
6526 | ret = p2p_in_progress(wpa_s->global->p2p); |
6527 | if (ret == 0) { | |
6528 | /* | |
6529 | * Check whether there is an ongoing WPS provisioning step (or | |
6530 | * other parts of group formation) on another interface since | |
6531 | * p2p_in_progress() does not report this to avoid issues for | |
6532 | * scans during such provisioning step. | |
6533 | */ | |
6534 | if (wpa_s->global->p2p_group_formation && | |
6535 | wpa_s->global->p2p_group_formation != wpa_s) { | |
6536 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Another interface (%s) " | |
6537 | "in group formation", | |
6538 | wpa_s->global->p2p_group_formation->ifname); | |
6539 | ret = 1; | |
6540 | } | |
6541 | } | |
6542 | ||
c1c0b35f | 6543 | if (!ret && wpa_s->global->p2p_go_wait_client.sec) { |
151ab808 JB |
6544 | struct os_reltime now; |
6545 | os_get_reltime(&now); | |
6546 | if (os_reltime_expired(&now, &wpa_s->global->p2p_go_wait_client, | |
6547 | P2P_MAX_INITIAL_CONN_WAIT_GO)) { | |
c1c0b35f JM |
6548 | /* Wait for the first client has expired */ |
6549 | wpa_s->global->p2p_go_wait_client.sec = 0; | |
6550 | } else { | |
6551 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Waiting for initial client connection during group formation"); | |
6552 | ret = 1; | |
6553 | } | |
6554 | } | |
6555 | ||
ec01d5f6 | 6556 | return ret; |
303f60d3 | 6557 | } |
502618f7 JM |
6558 | |
6559 | ||
6560 | void wpas_p2p_network_removed(struct wpa_supplicant *wpa_s, | |
6561 | struct wpa_ssid *ssid) | |
502618f7 JM |
6562 | { |
6563 | if (wpa_s->p2p_in_provisioning && ssid->p2p_group && | |
6564 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, | |
6565 | wpa_s->parent, NULL) > 0) { | |
eb6f8c2b AC |
6566 | /** |
6567 | * Remove the network by scheduling the group formation | |
6568 | * timeout to happen immediately. The teardown code | |
6569 | * needs to be scheduled to run asynch later so that we | |
6570 | * don't delete data from under ourselves unexpectedly. | |
6571 | * Calling wpas_p2p_group_formation_timeout directly | |
6572 | * causes a series of crashes in WPS failure scenarios. | |
6573 | */ | |
502618f7 JM |
6574 | wpa_printf(MSG_DEBUG, "P2P: Canceled group formation due to " |
6575 | "P2P group network getting removed"); | |
eb6f8c2b AC |
6576 | eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout, |
6577 | wpa_s->parent, NULL); | |
502618f7 JM |
6578 | } |
6579 | } | |
87f841a1 JM |
6580 | |
6581 | ||
6582 | struct wpa_ssid * wpas_p2p_get_persistent(struct wpa_supplicant *wpa_s, | |
c427ac92 JM |
6583 | const u8 *addr, const u8 *ssid, |
6584 | size_t ssid_len) | |
87f841a1 JM |
6585 | { |
6586 | struct wpa_ssid *s; | |
fbdcfd57 | 6587 | size_t i; |
87f841a1 JM |
6588 | |
6589 | for (s = wpa_s->conf->ssid; s; s = s->next) { | |
fbdcfd57 JM |
6590 | if (s->disabled != 2) |
6591 | continue; | |
c427ac92 JM |
6592 | if (ssid && |
6593 | (ssid_len != s->ssid_len || | |
6594 | os_memcmp(ssid, s->ssid, ssid_len) != 0)) | |
6595 | continue; | |
01a57fe4 JM |
6596 | if (addr == NULL) { |
6597 | if (s->mode == WPAS_MODE_P2P_GO) | |
6598 | return s; | |
6599 | continue; | |
6600 | } | |
fbdcfd57 JM |
6601 | if (os_memcmp(s->bssid, addr, ETH_ALEN) == 0) |
6602 | return s; /* peer is GO in the persistent group */ | |
6603 | if (s->mode != WPAS_MODE_P2P_GO || s->p2p_client_list == NULL) | |
6604 | continue; | |
6605 | for (i = 0; i < s->num_p2p_clients; i++) { | |
6606 | if (os_memcmp(s->p2p_client_list + i * ETH_ALEN, | |
6607 | addr, ETH_ALEN) == 0) | |
6608 | return s; /* peer is P2P client in persistent | |
6609 | * group */ | |
6610 | } | |
87f841a1 JM |
6611 | } |
6612 | ||
6613 | return NULL; | |
6614 | } | |
fbdcfd57 JM |
6615 | |
6616 | ||
6617 | void wpas_p2p_notify_ap_sta_authorized(struct wpa_supplicant *wpa_s, | |
6618 | const u8 *addr) | |
6619 | { | |
eab2b50d JM |
6620 | if (eloop_cancel_timeout(wpas_p2p_group_formation_timeout, |
6621 | wpa_s->parent, NULL) > 0) { | |
6622 | /* | |
6623 | * This can happen if WPS provisioning step is not terminated | |
6624 | * cleanly (e.g., P2P Client does not send WSC_Done). Since the | |
6625 | * peer was able to connect, there is no need to time out group | |
41f85323 JM |
6626 | * formation after this, though. In addition, this is used with |
6627 | * the initial connection wait on the GO as a separate formation | |
6628 | * timeout and as such, expected to be hit after the initial WPS | |
6629 | * provisioning step. | |
eab2b50d | 6630 | */ |
41f85323 JM |
6631 | wpa_printf(MSG_DEBUG, "P2P: Canceled P2P group formation timeout on data connection"); |
6632 | } | |
6633 | if (!wpa_s->p2p_go_group_formation_completed) { | |
6634 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Marking group formation completed on GO on first data connection"); | |
6635 | wpa_s->p2p_go_group_formation_completed = 1; | |
6636 | wpa_s->global->p2p_group_formation = NULL; | |
6637 | wpa_s->p2p_in_provisioning = 0; | |
eab2b50d | 6638 | } |
c1c0b35f | 6639 | wpa_s->global->p2p_go_wait_client.sec = 0; |
fbdcfd57 JM |
6640 | if (addr == NULL) |
6641 | return; | |
6642 | wpas_p2p_add_persistent_group_client(wpa_s, addr); | |
6643 | } | |
aa9bb764 JM |
6644 | |
6645 | ||
6646 | static void wpas_p2p_fallback_to_go_neg(struct wpa_supplicant *wpa_s, | |
6647 | int group_added) | |
6648 | { | |
6649 | struct wpa_supplicant *group = wpa_s; | |
6650 | if (wpa_s->global->p2p_group_formation) | |
6651 | group = wpa_s->global->p2p_group_formation; | |
6652 | wpa_s = wpa_s->parent; | |
b80eb89d | 6653 | offchannel_send_action_done(wpa_s); |
aa9bb764 | 6654 | if (group_added) |
8dba4aef | 6655 | wpas_p2p_group_delete(group, P2P_GROUP_REMOVAL_SILENT); |
aa9bb764 JM |
6656 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Fall back to GO Negotiation"); |
6657 | wpas_p2p_connect(wpa_s, wpa_s->pending_join_dev_addr, wpa_s->p2p_pin, | |
6658 | wpa_s->p2p_wps_method, wpa_s->p2p_persistent_group, 0, | |
6659 | 0, 0, wpa_s->p2p_go_intent, wpa_s->p2p_connect_freq, | |
3bc462cb | 6660 | wpa_s->p2p_persistent_id, |
e2308e4b | 6661 | wpa_s->p2p_pd_before_go_neg, |
20ea1ca4 EP |
6662 | wpa_s->p2p_go_ht40, |
6663 | wpa_s->p2p_go_vht); | |
aa9bb764 JM |
6664 | } |
6665 | ||
6666 | ||
6667 | int wpas_p2p_scan_no_go_seen(struct wpa_supplicant *wpa_s) | |
6668 | { | |
6669 | if (!wpa_s->p2p_fallback_to_go_neg || | |
6670 | wpa_s->p2p_in_provisioning <= 5) | |
6671 | return 0; | |
6672 | ||
b80eb89d JM |
6673 | if (wpas_p2p_peer_go(wpa_s, wpa_s->pending_join_dev_addr) > 0) |
6674 | return 0; /* peer operating as a GO */ | |
6675 | ||
aa9bb764 JM |
6676 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: GO not found for p2p_connect-auto - " |
6677 | "fallback to GO Negotiation"); | |
6678 | wpas_p2p_fallback_to_go_neg(wpa_s, 1); | |
6679 | ||
6680 | return 1; | |
6681 | } | |
05a77b3b JM |
6682 | |
6683 | ||
6684 | unsigned int wpas_p2p_search_delay(struct wpa_supplicant *wpa_s) | |
6685 | { | |
05a77b3b JM |
6686 | struct wpa_supplicant *ifs; |
6687 | ||
6688 | if (wpa_s->wpa_state > WPA_SCANNING) { | |
6689 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Use %u ms search delay due to " | |
6690 | "concurrent operation", | |
6691 | P2P_CONCURRENT_SEARCH_DELAY); | |
6692 | return P2P_CONCURRENT_SEARCH_DELAY; | |
6693 | } | |
6694 | ||
5b81927d JM |
6695 | dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant, |
6696 | radio_list) { | |
6697 | if (ifs != wpa_s && ifs->wpa_state > WPA_SCANNING) { | |
05a77b3b JM |
6698 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Use %u ms search " |
6699 | "delay due to concurrent operation on " | |
6700 | "interface %s", | |
6701 | P2P_CONCURRENT_SEARCH_DELAY, ifs->ifname); | |
6702 | return P2P_CONCURRENT_SEARCH_DELAY; | |
6703 | } | |
6704 | } | |
6705 | ||
6706 | return 0; | |
6707 | } | |
f85f545e JM |
6708 | |
6709 | ||
43c693c2 JM |
6710 | static int wpas_p2p_remove_psk_entry(struct wpa_supplicant *wpa_s, |
6711 | struct wpa_ssid *s, const u8 *addr, | |
6712 | int iface_addr) | |
6713 | { | |
6714 | struct psk_list_entry *psk, *tmp; | |
6715 | int changed = 0; | |
6716 | ||
6717 | dl_list_for_each_safe(psk, tmp, &s->psk_list, struct psk_list_entry, | |
6718 | list) { | |
6719 | if ((iface_addr && !psk->p2p && | |
6720 | os_memcmp(addr, psk->addr, ETH_ALEN) == 0) || | |
6721 | (!iface_addr && psk->p2p && | |
6722 | os_memcmp(addr, psk->addr, ETH_ALEN) == 0)) { | |
6723 | wpa_dbg(wpa_s, MSG_DEBUG, | |
6724 | "P2P: Remove persistent group PSK list entry for " | |
6725 | MACSTR " p2p=%u", | |
6726 | MAC2STR(psk->addr), psk->p2p); | |
6727 | dl_list_del(&psk->list); | |
6728 | os_free(psk); | |
6729 | changed++; | |
6730 | } | |
6731 | } | |
6732 | ||
6733 | return changed; | |
6734 | } | |
6735 | ||
6736 | ||
01a57fe4 JM |
6737 | void wpas_p2p_new_psk_cb(struct wpa_supplicant *wpa_s, const u8 *mac_addr, |
6738 | const u8 *p2p_dev_addr, | |
6739 | const u8 *psk, size_t psk_len) | |
6740 | { | |
6741 | struct wpa_ssid *ssid = wpa_s->current_ssid; | |
6742 | struct wpa_ssid *persistent; | |
6743 | struct psk_list_entry *p; | |
6744 | ||
6745 | if (psk_len != sizeof(p->psk)) | |
6746 | return; | |
6747 | ||
6748 | if (p2p_dev_addr) { | |
6749 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: New PSK for addr=" MACSTR | |
6750 | " p2p_dev_addr=" MACSTR, | |
6751 | MAC2STR(mac_addr), MAC2STR(p2p_dev_addr)); | |
6752 | if (is_zero_ether_addr(p2p_dev_addr)) | |
6753 | p2p_dev_addr = NULL; | |
6754 | } else { | |
6755 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: New PSK for addr=" MACSTR, | |
6756 | MAC2STR(mac_addr)); | |
6757 | } | |
6758 | ||
6759 | if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) { | |
6760 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: new_psk_cb during group formation"); | |
6761 | /* To be added to persistent group once created */ | |
6762 | if (wpa_s->global->add_psk == NULL) { | |
6763 | wpa_s->global->add_psk = os_zalloc(sizeof(*p)); | |
6764 | if (wpa_s->global->add_psk == NULL) | |
6765 | return; | |
6766 | } | |
6767 | p = wpa_s->global->add_psk; | |
6768 | if (p2p_dev_addr) { | |
6769 | p->p2p = 1; | |
6770 | os_memcpy(p->addr, p2p_dev_addr, ETH_ALEN); | |
6771 | } else { | |
6772 | p->p2p = 0; | |
6773 | os_memcpy(p->addr, mac_addr, ETH_ALEN); | |
6774 | } | |
6775 | os_memcpy(p->psk, psk, psk_len); | |
6776 | return; | |
6777 | } | |
6778 | ||
6779 | if (ssid->mode != WPAS_MODE_P2P_GO || !ssid->p2p_persistent_group) { | |
6780 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Ignore new_psk_cb on not-persistent GO"); | |
6781 | return; | |
6782 | } | |
6783 | ||
6784 | persistent = wpas_p2p_get_persistent(wpa_s->parent, NULL, ssid->ssid, | |
6785 | ssid->ssid_len); | |
6786 | if (!persistent) { | |
6787 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Could not find persistent group information to store the new PSK"); | |
6788 | return; | |
6789 | } | |
6790 | ||
6791 | p = os_zalloc(sizeof(*p)); | |
6792 | if (p == NULL) | |
6793 | return; | |
6794 | if (p2p_dev_addr) { | |
6795 | p->p2p = 1; | |
6796 | os_memcpy(p->addr, p2p_dev_addr, ETH_ALEN); | |
6797 | } else { | |
6798 | p->p2p = 0; | |
6799 | os_memcpy(p->addr, mac_addr, ETH_ALEN); | |
6800 | } | |
6801 | os_memcpy(p->psk, psk, psk_len); | |
6802 | ||
6803 | if (dl_list_len(&persistent->psk_list) > P2P_MAX_STORED_CLIENTS) { | |
6804 | struct psk_list_entry *last; | |
6805 | last = dl_list_last(&persistent->psk_list, | |
6806 | struct psk_list_entry, list); | |
6807 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Remove oldest PSK entry for " | |
6808 | MACSTR " (p2p=%u) to make room for a new one", | |
6809 | MAC2STR(last->addr), last->p2p); | |
6810 | dl_list_del(&last->list); | |
6811 | os_free(last); | |
6812 | } | |
6813 | ||
43c693c2 JM |
6814 | wpas_p2p_remove_psk_entry(wpa_s->parent, persistent, |
6815 | p2p_dev_addr ? p2p_dev_addr : mac_addr, | |
6816 | p2p_dev_addr == NULL); | |
6817 | if (p2p_dev_addr) { | |
6818 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Add new PSK for p2p_dev_addr=" | |
6819 | MACSTR, MAC2STR(p2p_dev_addr)); | |
6820 | } else { | |
6821 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Add new PSK for addr=" MACSTR, | |
6822 | MAC2STR(mac_addr)); | |
6823 | } | |
01a57fe4 JM |
6824 | dl_list_add(&persistent->psk_list, &p->list); |
6825 | ||
01a57fe4 JM |
6826 | if (wpa_s->parent->conf->update_config && |
6827 | wpa_config_write(wpa_s->parent->confname, wpa_s->parent->conf)) | |
6828 | wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration"); | |
01a57fe4 | 6829 | } |
f2c56602 JM |
6830 | |
6831 | ||
6832 | static void wpas_p2p_remove_psk(struct wpa_supplicant *wpa_s, | |
6833 | struct wpa_ssid *s, const u8 *addr, | |
6834 | int iface_addr) | |
6835 | { | |
43c693c2 | 6836 | int res; |
f2c56602 | 6837 | |
43c693c2 | 6838 | res = wpas_p2p_remove_psk_entry(wpa_s, s, addr, iface_addr); |
2a33687e JM |
6839 | if (res > 0 && wpa_s->conf->update_config && |
6840 | wpa_config_write(wpa_s->confname, wpa_s->conf)) | |
6841 | wpa_dbg(wpa_s, MSG_DEBUG, | |
6842 | "P2P: Failed to update configuration"); | |
f2c56602 JM |
6843 | } |
6844 | ||
6845 | ||
6846 | static void wpas_p2p_remove_client_go(struct wpa_supplicant *wpa_s, | |
6847 | const u8 *peer, int iface_addr) | |
6848 | { | |
6849 | struct hostapd_data *hapd; | |
6850 | struct hostapd_wpa_psk *psk, *prev, *rem; | |
6851 | struct sta_info *sta; | |
6852 | ||
6853 | if (wpa_s->ap_iface == NULL || wpa_s->current_ssid == NULL || | |
6854 | wpa_s->current_ssid->mode != WPAS_MODE_P2P_GO) | |
6855 | return; | |
6856 | ||
6857 | /* Remove per-station PSK entry */ | |
6858 | hapd = wpa_s->ap_iface->bss[0]; | |
6859 | prev = NULL; | |
6860 | psk = hapd->conf->ssid.wpa_psk; | |
6861 | while (psk) { | |
6862 | if ((iface_addr && os_memcmp(peer, psk->addr, ETH_ALEN) == 0) || | |
6863 | (!iface_addr && | |
6864 | os_memcmp(peer, psk->p2p_dev_addr, ETH_ALEN) == 0)) { | |
6865 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Remove operating group PSK entry for " | |
6866 | MACSTR " iface_addr=%d", | |
6867 | MAC2STR(peer), iface_addr); | |
6868 | if (prev) | |
6869 | prev->next = psk->next; | |
6870 | else | |
6871 | hapd->conf->ssid.wpa_psk = psk->next; | |
6872 | rem = psk; | |
6873 | psk = psk->next; | |
6874 | os_free(rem); | |
6875 | } else { | |
6876 | prev = psk; | |
6877 | psk = psk->next; | |
6878 | } | |
6879 | } | |
6880 | ||
6881 | /* Disconnect from group */ | |
6882 | if (iface_addr) | |
6883 | sta = ap_get_sta(hapd, peer); | |
6884 | else | |
6885 | sta = ap_get_sta_p2p(hapd, peer); | |
6886 | if (sta) { | |
6887 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Disconnect peer " MACSTR | |
6888 | " (iface_addr=%d) from group", | |
6889 | MAC2STR(peer), iface_addr); | |
6890 | hostapd_drv_sta_deauth(hapd, sta->addr, | |
6891 | WLAN_REASON_DEAUTH_LEAVING); | |
6892 | ap_sta_deauthenticate(hapd, sta, WLAN_REASON_DEAUTH_LEAVING); | |
6893 | } | |
6894 | } | |
6895 | ||
6896 | ||
6897 | void wpas_p2p_remove_client(struct wpa_supplicant *wpa_s, const u8 *peer, | |
6898 | int iface_addr) | |
6899 | { | |
6900 | struct wpa_ssid *s; | |
6901 | struct wpa_supplicant *w; | |
6902 | ||
6903 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Remove client " MACSTR, MAC2STR(peer)); | |
6904 | ||
6905 | /* Remove from any persistent group */ | |
6906 | for (s = wpa_s->parent->conf->ssid; s; s = s->next) { | |
6907 | if (s->disabled != 2 || s->mode != WPAS_MODE_P2P_GO) | |
6908 | continue; | |
6909 | if (!iface_addr) | |
6910 | wpas_remove_persistent_peer(wpa_s, s, peer, 0); | |
6911 | wpas_p2p_remove_psk(wpa_s->parent, s, peer, iface_addr); | |
6912 | } | |
6913 | ||
6914 | /* Remove from any operating group */ | |
6915 | for (w = wpa_s->global->ifaces; w; w = w->next) | |
6916 | wpas_p2p_remove_client_go(w, peer, iface_addr); | |
6917 | } | |
5bf9a6c8 JM |
6918 | |
6919 | ||
813e7b36 JM |
6920 | static void wpas_p2p_psk_failure_removal(void *eloop_ctx, void *timeout_ctx) |
6921 | { | |
6922 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
6923 | wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_PSK_FAILURE); | |
6924 | } | |
6925 | ||
6926 | ||
8567866d JJ |
6927 | static void wpas_p2p_group_freq_conflict(void *eloop_ctx, void *timeout_ctx) |
6928 | { | |
6929 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
6930 | ||
6931 | wpa_printf(MSG_DEBUG, "P2P: Frequency conflict - terminate group"); | |
6932 | wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_FREQ_CONFLICT); | |
6933 | } | |
6934 | ||
6935 | ||
6936 | int wpas_p2p_handle_frequency_conflicts(struct wpa_supplicant *wpa_s, int freq, | |
6937 | struct wpa_ssid *ssid) | |
6938 | { | |
6939 | struct wpa_supplicant *iface; | |
6940 | ||
6941 | for (iface = wpa_s->global->ifaces; iface; iface = iface->next) { | |
6942 | if (!iface->current_ssid || | |
6943 | iface->current_ssid->frequency == freq || | |
6944 | (iface->p2p_group_interface == NOT_P2P_GROUP_INTERFACE && | |
6945 | !iface->current_ssid->p2p_group)) | |
6946 | continue; | |
6947 | ||
6948 | /* Remove the connection with least priority */ | |
6949 | if (!wpas_is_p2p_prioritized(iface)) { | |
6950 | /* STA connection has priority over existing | |
6951 | * P2P connection, so remove the interface. */ | |
6952 | wpa_printf(MSG_DEBUG, "P2P: Removing P2P connection due to single channel concurrent mode frequency conflict"); | |
6953 | eloop_register_timeout(0, 0, | |
6954 | wpas_p2p_group_freq_conflict, | |
6955 | iface, NULL); | |
6956 | /* If connection in progress is P2P connection, do not | |
6957 | * proceed for the connection. */ | |
6958 | if (wpa_s == iface) | |
6959 | return -1; | |
6960 | else | |
6961 | return 0; | |
6962 | } else { | |
6963 | /* P2P connection has priority, disable the STA network | |
6964 | */ | |
6965 | wpa_supplicant_disable_network(wpa_s->global->ifaces, | |
6966 | ssid); | |
6967 | wpa_msg(wpa_s->global->ifaces, MSG_INFO, | |
6968 | WPA_EVENT_FREQ_CONFLICT " id=%d", ssid->id); | |
6969 | os_memset(wpa_s->global->ifaces->pending_bssid, 0, | |
6970 | ETH_ALEN); | |
6971 | /* If P2P connection is in progress, continue | |
6972 | * connecting...*/ | |
6973 | if (wpa_s == iface) | |
6974 | return 0; | |
6975 | else | |
6976 | return -1; | |
6977 | } | |
6978 | } | |
6979 | ||
6980 | return 0; | |
6981 | } | |
6982 | ||
6983 | ||
5bf9a6c8 JM |
6984 | int wpas_p2p_4way_hs_failed(struct wpa_supplicant *wpa_s) |
6985 | { | |
6986 | struct wpa_ssid *ssid = wpa_s->current_ssid; | |
6987 | ||
6988 | if (ssid == NULL || !ssid->p2p_group) | |
6989 | return 0; | |
6990 | ||
6991 | if (wpa_s->p2p_last_4way_hs_fail && | |
6992 | wpa_s->p2p_last_4way_hs_fail == ssid) { | |
6993 | u8 go_dev_addr[ETH_ALEN]; | |
6994 | struct wpa_ssid *persistent; | |
6995 | ||
6996 | if (wpas_p2p_persistent_group(wpa_s, go_dev_addr, | |
6997 | ssid->ssid, | |
6998 | ssid->ssid_len) <= 0) { | |
6999 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Could not determine whether 4-way handshake failures were for a persistent group"); | |
7000 | goto disconnect; | |
7001 | } | |
7002 | ||
7003 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Two 4-way handshake failures for a P2P group - go_dev_addr=" | |
7004 | MACSTR, MAC2STR(go_dev_addr)); | |
7005 | persistent = wpas_p2p_get_persistent(wpa_s->parent, go_dev_addr, | |
7006 | ssid->ssid, | |
7007 | ssid->ssid_len); | |
7008 | if (persistent == NULL || persistent->mode != WPAS_MODE_INFRA) { | |
7009 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: No matching persistent group stored"); | |
7010 | goto disconnect; | |
7011 | } | |
7012 | wpa_msg_global(wpa_s->parent, MSG_INFO, | |
7013 | P2P_EVENT_PERSISTENT_PSK_FAIL "%d", | |
7014 | persistent->id); | |
7015 | disconnect: | |
7016 | wpa_s->p2p_last_4way_hs_fail = NULL; | |
813e7b36 JM |
7017 | /* |
7018 | * Remove the group from a timeout to avoid issues with caller | |
7019 | * continuing to use the interface if this is on a P2P group | |
7020 | * interface. | |
7021 | */ | |
7022 | eloop_register_timeout(0, 0, wpas_p2p_psk_failure_removal, | |
7023 | wpa_s, NULL); | |
5bf9a6c8 JM |
7024 | return 1; |
7025 | } | |
7026 | ||
7027 | wpa_s->p2p_last_4way_hs_fail = ssid; | |
7028 | return 0; | |
7029 | } | |
93588780 JM |
7030 | |
7031 | ||
7032 | #ifdef CONFIG_WPS_NFC | |
7033 | ||
7034 | static struct wpabuf * wpas_p2p_nfc_handover(int ndef, struct wpabuf *wsc, | |
7035 | struct wpabuf *p2p) | |
7036 | { | |
7037 | struct wpabuf *ret; | |
59b45d1a | 7038 | size_t wsc_len; |
93588780 JM |
7039 | |
7040 | if (p2p == NULL) { | |
7041 | wpabuf_free(wsc); | |
7042 | wpa_printf(MSG_DEBUG, "P2P: No p2p buffer for handover"); | |
7043 | return NULL; | |
7044 | } | |
7045 | ||
59b45d1a JM |
7046 | wsc_len = wsc ? wpabuf_len(wsc) : 0; |
7047 | ret = wpabuf_alloc(2 + wsc_len + 2 + wpabuf_len(p2p)); | |
93588780 JM |
7048 | if (ret == NULL) { |
7049 | wpabuf_free(wsc); | |
7050 | wpabuf_free(p2p); | |
7051 | return NULL; | |
7052 | } | |
7053 | ||
59b45d1a JM |
7054 | wpabuf_put_be16(ret, wsc_len); |
7055 | if (wsc) | |
7056 | wpabuf_put_buf(ret, wsc); | |
93588780 JM |
7057 | wpabuf_put_be16(ret, wpabuf_len(p2p)); |
7058 | wpabuf_put_buf(ret, p2p); | |
7059 | ||
7060 | wpabuf_free(wsc); | |
7061 | wpabuf_free(p2p); | |
7062 | wpa_hexdump_buf(MSG_DEBUG, | |
7063 | "P2P: Generated NFC connection handover message", ret); | |
7064 | ||
7065 | if (ndef && ret) { | |
7066 | struct wpabuf *tmp; | |
7067 | tmp = ndef_build_p2p(ret); | |
7068 | wpabuf_free(ret); | |
7069 | if (tmp == NULL) { | |
7070 | wpa_printf(MSG_DEBUG, "P2P: Failed to NDEF encapsulate handover request"); | |
7071 | return NULL; | |
7072 | } | |
7073 | ret = tmp; | |
7074 | } | |
7075 | ||
7076 | return ret; | |
7077 | } | |
7078 | ||
7079 | ||
abe44e3c JM |
7080 | static int wpas_p2p_cli_freq(struct wpa_supplicant *wpa_s, |
7081 | struct wpa_ssid **ssid, u8 *go_dev_addr) | |
59b45d1a JM |
7082 | { |
7083 | struct wpa_supplicant *iface; | |
7084 | ||
abe44e3c JM |
7085 | if (go_dev_addr) |
7086 | os_memset(go_dev_addr, 0, ETH_ALEN); | |
7087 | if (ssid) | |
7088 | *ssid = NULL; | |
59b45d1a JM |
7089 | for (iface = wpa_s->global->ifaces; iface; iface = iface->next) { |
7090 | if (iface->wpa_state < WPA_ASSOCIATING || | |
7091 | iface->current_ssid == NULL || iface->assoc_freq == 0 || | |
7092 | !iface->current_ssid->p2p_group || | |
7093 | iface->current_ssid->mode != WPAS_MODE_INFRA) | |
7094 | continue; | |
abe44e3c JM |
7095 | if (ssid) |
7096 | *ssid = iface->current_ssid; | |
7097 | if (go_dev_addr) | |
7098 | os_memcpy(go_dev_addr, iface->go_dev_addr, ETH_ALEN); | |
59b45d1a JM |
7099 | return iface->assoc_freq; |
7100 | } | |
7101 | return 0; | |
7102 | } | |
7103 | ||
7104 | ||
93588780 JM |
7105 | struct wpabuf * wpas_p2p_nfc_handover_req(struct wpa_supplicant *wpa_s, |
7106 | int ndef) | |
7107 | { | |
7108 | struct wpabuf *wsc, *p2p; | |
abe44e3c JM |
7109 | struct wpa_ssid *ssid; |
7110 | u8 go_dev_addr[ETH_ALEN]; | |
7111 | int cli_freq = wpas_p2p_cli_freq(wpa_s, &ssid, go_dev_addr); | |
93588780 JM |
7112 | |
7113 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) { | |
7114 | wpa_printf(MSG_DEBUG, "P2P: P2P disabled - cannot build handover request"); | |
7115 | return NULL; | |
7116 | } | |
7117 | ||
7118 | if (wpa_s->conf->wps_nfc_dh_pubkey == NULL && | |
7119 | wps_nfc_gen_dh(&wpa_s->conf->wps_nfc_dh_pubkey, | |
7120 | &wpa_s->conf->wps_nfc_dh_privkey) < 0) { | |
7121 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: No DH key available for handover request"); | |
7122 | return NULL; | |
7123 | } | |
7124 | ||
59b45d1a JM |
7125 | if (cli_freq == 0) { |
7126 | wsc = wps_build_nfc_handover_req_p2p( | |
7127 | wpa_s->parent->wps, wpa_s->conf->wps_nfc_dh_pubkey); | |
7128 | } else | |
7129 | wsc = NULL; | |
abe44e3c JM |
7130 | p2p = p2p_build_nfc_handover_req(wpa_s->global->p2p, cli_freq, |
7131 | go_dev_addr, ssid ? ssid->ssid : NULL, | |
7132 | ssid ? ssid->ssid_len : 0); | |
93588780 JM |
7133 | |
7134 | return wpas_p2p_nfc_handover(ndef, wsc, p2p); | |
7135 | } | |
7136 | ||
7137 | ||
7138 | struct wpabuf * wpas_p2p_nfc_handover_sel(struct wpa_supplicant *wpa_s, | |
7139 | int ndef, int tag) | |
7140 | { | |
7141 | struct wpabuf *wsc, *p2p; | |
abe44e3c JM |
7142 | struct wpa_ssid *ssid; |
7143 | u8 go_dev_addr[ETH_ALEN]; | |
7144 | int cli_freq = wpas_p2p_cli_freq(wpa_s, &ssid, go_dev_addr); | |
93588780 JM |
7145 | |
7146 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) | |
7147 | return NULL; | |
7148 | ||
7149 | if (!tag && wpa_s->conf->wps_nfc_dh_pubkey == NULL && | |
7150 | wps_nfc_gen_dh(&wpa_s->conf->wps_nfc_dh_pubkey, | |
7151 | &wpa_s->conf->wps_nfc_dh_privkey) < 0) | |
7152 | return NULL; | |
7153 | ||
59b45d1a JM |
7154 | if (cli_freq == 0) { |
7155 | wsc = wps_build_nfc_handover_sel_p2p( | |
7156 | wpa_s->parent->wps, | |
7157 | tag ? wpa_s->conf->wps_nfc_dev_pw_id : | |
7158 | DEV_PW_NFC_CONNECTION_HANDOVER, | |
7159 | wpa_s->conf->wps_nfc_dh_pubkey, | |
7160 | tag ? wpa_s->conf->wps_nfc_dev_pw : NULL); | |
7161 | } else | |
7162 | wsc = NULL; | |
abe44e3c JM |
7163 | p2p = p2p_build_nfc_handover_sel(wpa_s->global->p2p, cli_freq, |
7164 | go_dev_addr, ssid ? ssid->ssid : NULL, | |
7165 | ssid ? ssid->ssid_len : 0); | |
93588780 JM |
7166 | |
7167 | return wpas_p2p_nfc_handover(ndef, wsc, p2p); | |
7168 | } | |
7169 | ||
db6ae69e JM |
7170 | |
7171 | static int wpas_p2p_nfc_join_group(struct wpa_supplicant *wpa_s, | |
7172 | struct p2p_nfc_params *params) | |
7173 | { | |
7174 | wpa_printf(MSG_DEBUG, "P2P: Initiate join-group based on NFC " | |
23318bea JM |
7175 | "connection handover (freq=%d)", |
7176 | params->go_freq); | |
7177 | ||
7178 | if (params->go_freq && params->go_ssid_len) { | |
7179 | wpa_s->p2p_wps_method = WPS_NFC; | |
7180 | wpa_s->pending_join_wps_method = WPS_NFC; | |
7181 | os_memset(wpa_s->pending_join_iface_addr, 0, ETH_ALEN); | |
7182 | os_memcpy(wpa_s->pending_join_dev_addr, params->go_dev_addr, | |
7183 | ETH_ALEN); | |
7184 | return wpas_p2p_join_start(wpa_s, params->go_freq, | |
7185 | params->go_ssid, | |
7186 | params->go_ssid_len); | |
7187 | } | |
7188 | ||
db6ae69e JM |
7189 | return wpas_p2p_connect(wpa_s, params->peer->p2p_device_addr, NULL, |
7190 | WPS_NFC, 0, 0, 1, 0, wpa_s->conf->p2p_go_intent, | |
23318bea | 7191 | params->go_freq, -1, 0, 1, 1); |
db6ae69e JM |
7192 | } |
7193 | ||
7194 | ||
7195 | static int wpas_p2p_nfc_auth_join(struct wpa_supplicant *wpa_s, | |
8e9f53c3 | 7196 | struct p2p_nfc_params *params, int tag) |
db6ae69e | 7197 | { |
8e9f53c3 JM |
7198 | int res, persistent; |
7199 | struct wpa_ssid *ssid; | |
7200 | ||
db6ae69e JM |
7201 | wpa_printf(MSG_DEBUG, "P2P: Authorize join-group based on NFC " |
7202 | "connection handover"); | |
7203 | for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) { | |
8e9f53c3 | 7204 | ssid = wpa_s->current_ssid; |
db6ae69e JM |
7205 | if (ssid == NULL) |
7206 | continue; | |
7207 | if (ssid->mode != WPAS_MODE_P2P_GO) | |
7208 | continue; | |
7209 | if (wpa_s->ap_iface == NULL) | |
7210 | continue; | |
7211 | break; | |
7212 | } | |
7213 | if (wpa_s == NULL) { | |
7214 | wpa_printf(MSG_DEBUG, "P2P: Could not find GO interface"); | |
7215 | return -1; | |
7216 | } | |
7217 | ||
7218 | if (wpa_s->parent->p2p_oob_dev_pw_id != | |
7219 | DEV_PW_NFC_CONNECTION_HANDOVER && | |
7220 | !wpa_s->parent->p2p_oob_dev_pw) { | |
7221 | wpa_printf(MSG_DEBUG, "P2P: No NFC Dev Pw known"); | |
7222 | return -1; | |
7223 | } | |
8e9f53c3 | 7224 | res = wpas_ap_wps_add_nfc_pw( |
db6ae69e JM |
7225 | wpa_s, wpa_s->parent->p2p_oob_dev_pw_id, |
7226 | wpa_s->parent->p2p_oob_dev_pw, | |
7227 | wpa_s->parent->p2p_peer_oob_pk_hash_known ? | |
7228 | wpa_s->parent->p2p_peer_oob_pubkey_hash : NULL); | |
8e9f53c3 JM |
7229 | if (res) |
7230 | return res; | |
7231 | ||
7232 | if (!tag) { | |
7233 | wpa_printf(MSG_DEBUG, "P2P: Negotiated handover - wait for peer to join without invitation"); | |
7234 | return 0; | |
7235 | } | |
7236 | ||
7237 | if (!params->peer || | |
7238 | !(params->peer->dev_capab & P2P_DEV_CAPAB_INVITATION_PROCEDURE)) | |
7239 | return 0; | |
7240 | ||
7241 | wpa_printf(MSG_DEBUG, "P2P: Static handover - invite peer " MACSTR | |
7242 | " to join", MAC2STR(params->peer->p2p_device_addr)); | |
7243 | ||
7244 | wpa_s->global->p2p_invite_group = wpa_s; | |
7245 | persistent = ssid->p2p_persistent_group && | |
7246 | wpas_p2p_get_persistent(wpa_s->parent, | |
7247 | params->peer->p2p_device_addr, | |
7248 | ssid->ssid, ssid->ssid_len); | |
7249 | wpa_s->parent->pending_invite_ssid_id = -1; | |
7250 | ||
7251 | return p2p_invite(wpa_s->global->p2p, params->peer->p2p_device_addr, | |
7252 | P2P_INVITE_ROLE_ACTIVE_GO, wpa_s->own_addr, | |
7253 | ssid->ssid, ssid->ssid_len, ssid->frequency, | |
7254 | wpa_s->global->p2p_dev_addr, persistent, 0, | |
7255 | wpa_s->parent->p2p_oob_dev_pw_id); | |
db6ae69e JM |
7256 | } |
7257 | ||
7258 | ||
7259 | static int wpas_p2p_nfc_init_go_neg(struct wpa_supplicant *wpa_s, | |
b56f6c88 JM |
7260 | struct p2p_nfc_params *params, |
7261 | int forced_freq) | |
db6ae69e JM |
7262 | { |
7263 | wpa_printf(MSG_DEBUG, "P2P: Initiate GO Negotiation based on NFC " | |
7264 | "connection handover"); | |
7265 | return wpas_p2p_connect(wpa_s, params->peer->p2p_device_addr, NULL, | |
7266 | WPS_NFC, 0, 0, 0, 0, wpa_s->conf->p2p_go_intent, | |
b56f6c88 | 7267 | forced_freq, -1, 0, 1, 1); |
db6ae69e JM |
7268 | } |
7269 | ||
7270 | ||
7271 | static int wpas_p2p_nfc_resp_go_neg(struct wpa_supplicant *wpa_s, | |
b56f6c88 JM |
7272 | struct p2p_nfc_params *params, |
7273 | int forced_freq) | |
db6ae69e JM |
7274 | { |
7275 | int res; | |
7276 | ||
7277 | wpa_printf(MSG_DEBUG, "P2P: Authorize GO Negotiation based on NFC " | |
7278 | "connection handover"); | |
7279 | res = wpas_p2p_connect(wpa_s, params->peer->p2p_device_addr, NULL, | |
7280 | WPS_NFC, 0, 0, 0, 1, wpa_s->conf->p2p_go_intent, | |
b56f6c88 | 7281 | forced_freq, -1, 0, 1, 1); |
db6ae69e JM |
7282 | if (res) |
7283 | return res; | |
7284 | ||
7285 | res = wpas_p2p_listen(wpa_s, 60); | |
7286 | if (res) { | |
7287 | p2p_unauthorize(wpa_s->global->p2p, | |
7288 | params->peer->p2p_device_addr); | |
7289 | } | |
7290 | ||
7291 | return res; | |
7292 | } | |
7293 | ||
7294 | ||
7295 | static int wpas_p2p_nfc_connection_handover(struct wpa_supplicant *wpa_s, | |
7296 | const struct wpabuf *data, | |
b56f6c88 | 7297 | int sel, int tag, int forced_freq) |
db6ae69e JM |
7298 | { |
7299 | const u8 *pos, *end; | |
7300 | u16 len, id; | |
7301 | struct p2p_nfc_params params; | |
7302 | int res; | |
7303 | ||
7304 | os_memset(¶ms, 0, sizeof(params)); | |
7305 | params.sel = sel; | |
7306 | ||
7307 | wpa_hexdump_buf(MSG_DEBUG, "P2P: Received NFC tag payload", data); | |
7308 | ||
7309 | pos = wpabuf_head(data); | |
7310 | end = pos + wpabuf_len(data); | |
7311 | ||
7312 | if (end - pos < 2) { | |
7313 | wpa_printf(MSG_DEBUG, "P2P: Not enough data for Length of WSC " | |
7314 | "attributes"); | |
7315 | return -1; | |
7316 | } | |
7317 | len = WPA_GET_BE16(pos); | |
7318 | pos += 2; | |
7319 | if (pos + len > end) { | |
7320 | wpa_printf(MSG_DEBUG, "P2P: Not enough data for WSC " | |
7321 | "attributes"); | |
7322 | return -1; | |
7323 | } | |
7324 | params.wsc_attr = pos; | |
7325 | params.wsc_len = len; | |
7326 | pos += len; | |
7327 | ||
7328 | if (end - pos < 2) { | |
7329 | wpa_printf(MSG_DEBUG, "P2P: Not enough data for Length of P2P " | |
7330 | "attributes"); | |
7331 | return -1; | |
7332 | } | |
7333 | len = WPA_GET_BE16(pos); | |
7334 | pos += 2; | |
7335 | if (pos + len > end) { | |
7336 | wpa_printf(MSG_DEBUG, "P2P: Not enough data for P2P " | |
7337 | "attributes"); | |
7338 | return -1; | |
7339 | } | |
7340 | params.p2p_attr = pos; | |
7341 | params.p2p_len = len; | |
7342 | pos += len; | |
7343 | ||
7344 | wpa_hexdump(MSG_DEBUG, "P2P: WSC attributes", | |
7345 | params.wsc_attr, params.wsc_len); | |
7346 | wpa_hexdump(MSG_DEBUG, "P2P: P2P attributes", | |
7347 | params.p2p_attr, params.p2p_len); | |
7348 | if (pos < end) { | |
7349 | wpa_hexdump(MSG_DEBUG, | |
7350 | "P2P: Ignored extra data after P2P attributes", | |
7351 | pos, end - pos); | |
7352 | } | |
7353 | ||
7354 | res = p2p_process_nfc_connection_handover(wpa_s->global->p2p, ¶ms); | |
7355 | if (res) | |
7356 | return res; | |
7357 | ||
74df9ecd JM |
7358 | if (params.next_step == NO_ACTION) |
7359 | return 0; | |
7360 | ||
7361 | if (params.next_step == BOTH_GO) { | |
7362 | wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_NFC_BOTH_GO "peer=" MACSTR, | |
7363 | MAC2STR(params.peer->p2p_device_addr)); | |
7364 | return 0; | |
7365 | } | |
7366 | ||
59b45d1a | 7367 | if (params.next_step == PEER_CLIENT) { |
abe44e3c JM |
7368 | if (!is_zero_ether_addr(params.go_dev_addr)) { |
7369 | wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_NFC_PEER_CLIENT | |
7370 | "peer=" MACSTR " freq=%d go_dev_addr=" MACSTR | |
7371 | " ssid=\"%s\"", | |
7372 | MAC2STR(params.peer->p2p_device_addr), | |
7373 | params.go_freq, | |
7374 | MAC2STR(params.go_dev_addr), | |
7375 | wpa_ssid_txt(params.go_ssid, | |
7376 | params.go_ssid_len)); | |
7377 | } else { | |
7378 | wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_NFC_PEER_CLIENT | |
7379 | "peer=" MACSTR " freq=%d", | |
7380 | MAC2STR(params.peer->p2p_device_addr), | |
7381 | params.go_freq); | |
7382 | } | |
59b45d1a JM |
7383 | return 0; |
7384 | } | |
7385 | ||
abe44e3c | 7386 | if (wpas_p2p_cli_freq(wpa_s, NULL, NULL)) { |
59b45d1a JM |
7387 | wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_NFC_WHILE_CLIENT "peer=" |
7388 | MACSTR, MAC2STR(params.peer->p2p_device_addr)); | |
7389 | return 0; | |
7390 | } | |
7391 | ||
db6ae69e JM |
7392 | wpabuf_free(wpa_s->p2p_oob_dev_pw); |
7393 | wpa_s->p2p_oob_dev_pw = NULL; | |
7394 | ||
7395 | if (params.oob_dev_pw_len < WPS_OOB_PUBKEY_HASH_LEN + 2) { | |
7396 | wpa_printf(MSG_DEBUG, "P2P: No peer OOB Dev Pw " | |
7397 | "received"); | |
7398 | return -1; | |
7399 | } | |
7400 | ||
7401 | id = WPA_GET_BE16(params.oob_dev_pw + WPS_OOB_PUBKEY_HASH_LEN); | |
7402 | wpa_printf(MSG_DEBUG, "P2P: Peer OOB Dev Pw %u", id); | |
7403 | wpa_hexdump(MSG_DEBUG, "P2P: Peer OOB Public Key hash", | |
7404 | params.oob_dev_pw, WPS_OOB_PUBKEY_HASH_LEN); | |
7405 | os_memcpy(wpa_s->p2p_peer_oob_pubkey_hash, | |
7406 | params.oob_dev_pw, WPS_OOB_PUBKEY_HASH_LEN); | |
7407 | wpa_s->p2p_peer_oob_pk_hash_known = 1; | |
7408 | ||
7409 | if (tag) { | |
7410 | if (id < 0x10) { | |
7411 | wpa_printf(MSG_DEBUG, "P2P: Static handover - invalid " | |
7412 | "peer OOB Device Password Id %u", id); | |
7413 | return -1; | |
7414 | } | |
7415 | wpa_printf(MSG_DEBUG, "P2P: Static handover - use peer OOB " | |
7416 | "Device Password Id %u", id); | |
7417 | wpa_hexdump_key(MSG_DEBUG, "P2P: Peer OOB Device Password", | |
7418 | params.oob_dev_pw + WPS_OOB_PUBKEY_HASH_LEN + 2, | |
7419 | params.oob_dev_pw_len - | |
7420 | WPS_OOB_PUBKEY_HASH_LEN - 2); | |
7421 | wpa_s->p2p_oob_dev_pw_id = id; | |
7422 | wpa_s->p2p_oob_dev_pw = wpabuf_alloc_copy( | |
7423 | params.oob_dev_pw + WPS_OOB_PUBKEY_HASH_LEN + 2, | |
7424 | params.oob_dev_pw_len - | |
7425 | WPS_OOB_PUBKEY_HASH_LEN - 2); | |
7426 | if (wpa_s->p2p_oob_dev_pw == NULL) | |
7427 | return -1; | |
7428 | ||
7429 | if (wpa_s->conf->wps_nfc_dh_pubkey == NULL && | |
7430 | wps_nfc_gen_dh(&wpa_s->conf->wps_nfc_dh_pubkey, | |
7431 | &wpa_s->conf->wps_nfc_dh_privkey) < 0) | |
7432 | return -1; | |
7433 | } else { | |
7434 | wpa_printf(MSG_DEBUG, "P2P: Using abbreviated WPS handshake " | |
7435 | "without Device Password"); | |
7436 | wpa_s->p2p_oob_dev_pw_id = DEV_PW_NFC_CONNECTION_HANDOVER; | |
7437 | } | |
7438 | ||
7439 | switch (params.next_step) { | |
7440 | case NO_ACTION: | |
74df9ecd | 7441 | case BOTH_GO: |
59b45d1a | 7442 | case PEER_CLIENT: |
74df9ecd | 7443 | /* already covered above */ |
db6ae69e JM |
7444 | return 0; |
7445 | case JOIN_GROUP: | |
7446 | return wpas_p2p_nfc_join_group(wpa_s, ¶ms); | |
7447 | case AUTH_JOIN: | |
8e9f53c3 | 7448 | return wpas_p2p_nfc_auth_join(wpa_s, ¶ms, tag); |
db6ae69e | 7449 | case INIT_GO_NEG: |
b56f6c88 | 7450 | return wpas_p2p_nfc_init_go_neg(wpa_s, ¶ms, forced_freq); |
db6ae69e JM |
7451 | case RESP_GO_NEG: |
7452 | /* TODO: use own OOB Dev Pw */ | |
b56f6c88 | 7453 | return wpas_p2p_nfc_resp_go_neg(wpa_s, ¶ms, forced_freq); |
db6ae69e JM |
7454 | } |
7455 | ||
7456 | return -1; | |
7457 | } | |
7458 | ||
7459 | ||
dd37a938 | 7460 | int wpas_p2p_nfc_tag_process(struct wpa_supplicant *wpa_s, |
b56f6c88 | 7461 | const struct wpabuf *data, int forced_freq) |
dd37a938 JM |
7462 | { |
7463 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) | |
7464 | return -1; | |
7465 | ||
b56f6c88 | 7466 | return wpas_p2p_nfc_connection_handover(wpa_s, data, 1, 1, forced_freq); |
dd37a938 JM |
7467 | } |
7468 | ||
7469 | ||
db6ae69e JM |
7470 | int wpas_p2p_nfc_report_handover(struct wpa_supplicant *wpa_s, int init, |
7471 | const struct wpabuf *req, | |
b56f6c88 | 7472 | const struct wpabuf *sel, int forced_freq) |
db6ae69e JM |
7473 | { |
7474 | struct wpabuf *tmp; | |
7475 | int ret; | |
7476 | ||
7477 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) | |
7478 | return -1; | |
7479 | ||
7480 | wpa_printf(MSG_DEBUG, "NFC: P2P connection handover reported"); | |
7481 | ||
7482 | wpa_hexdump_ascii(MSG_DEBUG, "NFC: Req", | |
7483 | wpabuf_head(req), wpabuf_len(req)); | |
7484 | wpa_hexdump_ascii(MSG_DEBUG, "NFC: Sel", | |
7485 | wpabuf_head(sel), wpabuf_len(sel)); | |
b56f6c88 JM |
7486 | if (forced_freq) |
7487 | wpa_printf(MSG_DEBUG, "NFC: Forced freq %d", forced_freq); | |
db6ae69e JM |
7488 | tmp = ndef_parse_p2p(init ? sel : req); |
7489 | if (tmp == NULL) { | |
7490 | wpa_printf(MSG_DEBUG, "P2P: Could not parse NDEF"); | |
7491 | return -1; | |
7492 | } | |
7493 | ||
b56f6c88 JM |
7494 | ret = wpas_p2p_nfc_connection_handover(wpa_s, tmp, init, 0, |
7495 | forced_freq); | |
db6ae69e JM |
7496 | wpabuf_free(tmp); |
7497 | ||
7498 | return ret; | |
7499 | } | |
7500 | ||
c4f87a70 JM |
7501 | |
7502 | int wpas_p2p_nfc_tag_enabled(struct wpa_supplicant *wpa_s, int enabled) | |
7503 | { | |
7504 | const u8 *if_addr; | |
7505 | int go_intent = wpa_s->conf->p2p_go_intent; | |
dd876771 | 7506 | struct wpa_supplicant *iface; |
c4f87a70 JM |
7507 | |
7508 | if (wpa_s->global->p2p == NULL) | |
7509 | return -1; | |
7510 | ||
7511 | if (!enabled) { | |
dd876771 JM |
7512 | wpa_printf(MSG_DEBUG, "P2P: Disable use of own NFC Tag"); |
7513 | for (iface = wpa_s->global->ifaces; iface; iface = iface->next) | |
7514 | { | |
7515 | if (!iface->ap_iface) | |
7516 | continue; | |
7517 | hostapd_wps_nfc_token_disable(iface->ap_iface->bss[0]); | |
7518 | } | |
c4f87a70 JM |
7519 | p2p_set_authorized_oob_dev_pw_id(wpa_s->global->p2p, 0, |
7520 | 0, NULL); | |
7521 | if (wpa_s->p2p_nfc_tag_enabled) | |
7522 | wpas_p2p_remove_pending_group_interface(wpa_s); | |
7523 | wpa_s->p2p_nfc_tag_enabled = 0; | |
7524 | return 0; | |
7525 | } | |
7526 | ||
7527 | if (wpa_s->global->p2p_disabled) | |
7528 | return -1; | |
7529 | ||
7530 | if (wpa_s->conf->wps_nfc_dh_pubkey == NULL || | |
7531 | wpa_s->conf->wps_nfc_dh_privkey == NULL || | |
7532 | wpa_s->conf->wps_nfc_dev_pw == NULL || | |
7533 | wpa_s->conf->wps_nfc_dev_pw_id < 0x10) { | |
7534 | wpa_printf(MSG_DEBUG, "P2P: NFC password token not configured " | |
7535 | "to allow static handover cases"); | |
7536 | return -1; | |
7537 | } | |
7538 | ||
dd876771 JM |
7539 | wpa_printf(MSG_DEBUG, "P2P: Enable use of own NFC Tag"); |
7540 | ||
c4f87a70 JM |
7541 | wpa_s->p2p_oob_dev_pw_id = wpa_s->conf->wps_nfc_dev_pw_id; |
7542 | wpabuf_free(wpa_s->p2p_oob_dev_pw); | |
7543 | wpa_s->p2p_oob_dev_pw = wpabuf_dup(wpa_s->conf->wps_nfc_dev_pw); | |
7544 | if (wpa_s->p2p_oob_dev_pw == NULL) | |
7545 | return -1; | |
7546 | wpa_s->p2p_peer_oob_pk_hash_known = 0; | |
7547 | ||
7548 | wpa_s->create_p2p_iface = wpas_p2p_create_iface(wpa_s); | |
7549 | ||
7550 | if (wpa_s->create_p2p_iface) { | |
7551 | enum wpa_driver_if_type iftype; | |
7552 | /* Prepare to add a new interface for the group */ | |
7553 | iftype = WPA_IF_P2P_GROUP; | |
7554 | if (go_intent == 15) | |
7555 | iftype = WPA_IF_P2P_GO; | |
7556 | if (wpas_p2p_add_group_interface(wpa_s, iftype) < 0) { | |
7557 | wpa_printf(MSG_ERROR, "P2P: Failed to allocate a new " | |
7558 | "interface for the group"); | |
7559 | return -1; | |
7560 | } | |
7561 | ||
7562 | if_addr = wpa_s->pending_interface_addr; | |
7563 | } else | |
7564 | if_addr = wpa_s->own_addr; | |
7565 | ||
7566 | wpa_s->p2p_nfc_tag_enabled = enabled; | |
7567 | ||
dd876771 JM |
7568 | for (iface = wpa_s->global->ifaces; iface; iface = iface->next) { |
7569 | struct hostapd_data *hapd; | |
7570 | if (iface->ap_iface == NULL) | |
7571 | continue; | |
7572 | hapd = iface->ap_iface->bss[0]; | |
7573 | wpabuf_free(hapd->conf->wps_nfc_dh_pubkey); | |
7574 | hapd->conf->wps_nfc_dh_pubkey = | |
7575 | wpabuf_dup(wpa_s->conf->wps_nfc_dh_pubkey); | |
7576 | wpabuf_free(hapd->conf->wps_nfc_dh_privkey); | |
7577 | hapd->conf->wps_nfc_dh_privkey = | |
7578 | wpabuf_dup(wpa_s->conf->wps_nfc_dh_privkey); | |
7579 | wpabuf_free(hapd->conf->wps_nfc_dev_pw); | |
7580 | hapd->conf->wps_nfc_dev_pw = | |
7581 | wpabuf_dup(wpa_s->conf->wps_nfc_dev_pw); | |
7582 | hapd->conf->wps_nfc_dev_pw_id = wpa_s->conf->wps_nfc_dev_pw_id; | |
7583 | ||
7584 | if (hostapd_wps_nfc_token_enable(iface->ap_iface->bss[0]) < 0) { | |
7585 | wpa_dbg(iface, MSG_DEBUG, | |
7586 | "P2P: Failed to enable NFC Tag for GO"); | |
7587 | } | |
7588 | } | |
c4f87a70 JM |
7589 | p2p_set_authorized_oob_dev_pw_id( |
7590 | wpa_s->global->p2p, wpa_s->conf->wps_nfc_dev_pw_id, go_intent, | |
7591 | if_addr); | |
7592 | ||
7593 | return 0; | |
7594 | } | |
7595 | ||
93588780 | 7596 | #endif /* CONFIG_WPS_NFC */ |