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Commit | Line | Data |
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b22128ef JM |
1 | /* |
2 | * wpa_supplicant - P2P | |
3 | * Copyright (c) 2009-2010, Atheros Communications | |
4 | * | |
e22d4d95 JM |
5 | * This software may be distributed under the terms of the BSD license. |
6 | * See README for more details. | |
b22128ef JM |
7 | */ |
8 | ||
9 | #include "includes.h" | |
10 | ||
11 | #include "common.h" | |
12 | #include "eloop.h" | |
13 | #include "common/ieee802_11_common.h" | |
14 | #include "common/ieee802_11_defs.h" | |
15 | #include "common/wpa_ctrl.h" | |
16 | #include "wps/wps_i.h" | |
17 | #include "p2p/p2p.h" | |
18 | #include "ap/hostapd.h" | |
adc33680 | 19 | #include "ap/ap_config.h" |
f2c56602 JM |
20 | #include "ap/sta_info.h" |
21 | #include "ap/ap_drv_ops.h" | |
aefb53bd | 22 | #include "ap/p2p_hostapd.h" |
20a0b03d JM |
23 | #include "eapol_supp/eapol_supp_sm.h" |
24 | #include "rsn_supp/wpa.h" | |
b22128ef JM |
25 | #include "wpa_supplicant_i.h" |
26 | #include "driver_i.h" | |
27 | #include "ap.h" | |
28 | #include "config_ssid.h" | |
29 | #include "config.h" | |
b22128ef JM |
30 | #include "notify.h" |
31 | #include "scan.h" | |
32 | #include "bss.h" | |
24f6497c | 33 | #include "offchannel.h" |
b22128ef JM |
34 | #include "wps_supplicant.h" |
35 | #include "p2p_supplicant.h" | |
36 | ||
37 | ||
9b1ab931 JM |
38 | /* |
39 | * How many times to try to scan to find the GO before giving up on join | |
40 | * request. | |
41 | */ | |
42 | #define P2P_MAX_JOIN_SCAN_ATTEMPTS 10 | |
43 | ||
84286a22 SDU |
44 | #define P2P_AUTO_PD_SCAN_ATTEMPTS 5 |
45 | ||
c8106615 JM |
46 | #ifndef P2P_MAX_CLIENT_IDLE |
47 | /* | |
48 | * How many seconds to try to reconnect to the GO when connection in P2P client | |
49 | * role has been lost. | |
50 | */ | |
51 | #define P2P_MAX_CLIENT_IDLE 10 | |
52 | #endif /* P2P_MAX_CLIENT_IDLE */ | |
53 | ||
361cdf34 JM |
54 | #ifndef P2P_MAX_INITIAL_CONN_WAIT |
55 | /* | |
56 | * How many seconds to wait for initial 4-way handshake to get completed after | |
57 | * WPS provisioning step. | |
58 | */ | |
59 | #define P2P_MAX_INITIAL_CONN_WAIT 10 | |
60 | #endif /* P2P_MAX_INITIAL_CONN_WAIT */ | |
61 | ||
c1c0b35f JM |
62 | #ifndef P2P_MAX_INITIAL_CONN_WAIT_GO |
63 | /* | |
64 | * How many seconds to wait for initial 4-way handshake to get completed after | |
65 | * WPS provisioning step on the GO. This controls the extra time the P2P | |
66 | * operation is considered to be in progress (e.g., to delay other scans) after | |
67 | * WPS provisioning has been completed on the GO during group formation. | |
68 | */ | |
69 | #define P2P_MAX_INITIAL_CONN_WAIT_GO 10 | |
70 | #endif /* P2P_MAX_INITIAL_CONN_WAIT_GO */ | |
71 | ||
05a77b3b JM |
72 | #ifndef P2P_CONCURRENT_SEARCH_DELAY |
73 | #define P2P_CONCURRENT_SEARCH_DELAY 500 | |
74 | #endif /* P2P_CONCURRENT_SEARCH_DELAY */ | |
75 | ||
2e5ba4b6 AS |
76 | #define P2P_MGMT_DEVICE_PREFIX "p2p-dev-" |
77 | ||
8dba4aef JM |
78 | enum p2p_group_removal_reason { |
79 | P2P_GROUP_REMOVAL_UNKNOWN, | |
80 | P2P_GROUP_REMOVAL_SILENT, | |
81 | P2P_GROUP_REMOVAL_FORMATION_FAILED, | |
82 | P2P_GROUP_REMOVAL_REQUESTED, | |
83 | P2P_GROUP_REMOVAL_IDLE_TIMEOUT, | |
84 | P2P_GROUP_REMOVAL_UNAVAILABLE, | |
5bf9a6c8 JM |
85 | P2P_GROUP_REMOVAL_GO_ENDING_SESSION, |
86 | P2P_GROUP_REMOVAL_PSK_FAILURE | |
8dba4aef JM |
87 | }; |
88 | ||
9b1ab931 | 89 | |
b22128ef JM |
90 | static void wpas_p2p_long_listen_timeout(void *eloop_ctx, void *timeout_ctx); |
91 | static struct wpa_supplicant * | |
92 | wpas_p2p_get_group_iface(struct wpa_supplicant *wpa_s, int addr_allocated, | |
93 | int go); | |
94 | static int wpas_p2p_join_start(struct wpa_supplicant *wpa_s); | |
84286a22 | 95 | static void wpas_p2p_join_scan_req(struct wpa_supplicant *wpa_s, int freq); |
ef922c4a | 96 | static void wpas_p2p_join_scan(void *eloop_ctx, void *timeout_ctx); |
108def93 | 97 | static int wpas_p2p_join(struct wpa_supplicant *wpa_s, const u8 *iface_addr, |
b31be3a0 JM |
98 | const u8 *dev_addr, enum p2p_wps_method wps_method, |
99 | int auto_join); | |
b22128ef | 100 | static int wpas_p2p_create_iface(struct wpa_supplicant *wpa_s); |
72044390 | 101 | static void wpas_p2p_cross_connect_setup(struct wpa_supplicant *wpa_s); |
3071e181 JM |
102 | static void wpas_p2p_group_idle_timeout(void *eloop_ctx, void *timeout_ctx); |
103 | static void wpas_p2p_set_group_idle_timeout(struct wpa_supplicant *wpa_s); | |
77dfafd0 JM |
104 | static void wpas_p2p_group_formation_timeout(void *eloop_ctx, |
105 | void *timeout_ctx); | |
aa9bb764 JM |
106 | static void wpas_p2p_fallback_to_go_neg(struct wpa_supplicant *wpa_s, |
107 | int group_added); | |
8713a2e6 | 108 | static int wpas_p2p_stop_find_oper(struct wpa_supplicant *wpa_s); |
b22128ef JM |
109 | |
110 | ||
0d08efa4 IP |
111 | /* |
112 | * Get the number of concurrent channels that the HW can operate, but that are | |
113 | * currently not in use by any of the wpa_supplicant interfaces. | |
114 | */ | |
115 | static int wpas_p2p_num_unused_channels(struct wpa_supplicant *wpa_s) | |
116 | { | |
117 | int *freqs; | |
118 | int num; | |
119 | ||
120 | freqs = os_calloc(wpa_s->num_multichan_concurrent, sizeof(int)); | |
121 | if (!freqs) | |
122 | return -1; | |
123 | ||
124 | num = get_shared_radio_freqs(wpa_s, freqs, | |
125 | wpa_s->num_multichan_concurrent); | |
126 | os_free(freqs); | |
127 | ||
128 | return wpa_s->num_multichan_concurrent - num; | |
129 | } | |
130 | ||
131 | ||
132 | /* | |
133 | * Get the frequencies that are currently in use by one or more of the virtual | |
134 | * interfaces, and that are also valid for P2P operation. | |
135 | */ | |
136 | static int wpas_p2p_valid_oper_freqs(struct wpa_supplicant *wpa_s, | |
137 | int *p2p_freqs, unsigned int len) | |
138 | { | |
139 | int *freqs; | |
140 | unsigned int num, i, j; | |
141 | ||
142 | freqs = os_calloc(wpa_s->num_multichan_concurrent, sizeof(int)); | |
143 | if (!freqs) | |
144 | return -1; | |
145 | ||
146 | num = get_shared_radio_freqs(wpa_s, freqs, | |
147 | wpa_s->num_multichan_concurrent); | |
148 | ||
149 | os_memset(p2p_freqs, 0, sizeof(int) * len); | |
150 | ||
151 | for (i = 0, j = 0; i < num && j < len; i++) { | |
152 | if (p2p_supported_freq(wpa_s->global->p2p, freqs[i])) | |
153 | p2p_freqs[j++] = freqs[i]; | |
154 | } | |
155 | ||
156 | os_free(freqs); | |
157 | ||
158 | return j; | |
159 | } | |
160 | ||
161 | ||
6cb27aa8 JM |
162 | static void wpas_p2p_set_own_freq_preference(struct wpa_supplicant *wpa_s, |
163 | int freq) | |
164 | { | |
165 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) | |
166 | return; | |
0d08efa4 IP |
167 | if (freq > 0 && wpa_s->num_multichan_concurrent > 1 && |
168 | wpas_p2p_num_unused_channels(wpa_s) > 0 && | |
b277a2be JM |
169 | wpa_s->parent->conf->p2p_ignore_shared_freq) |
170 | freq = 0; | |
6cb27aa8 JM |
171 | p2p_set_own_freq_preference(wpa_s->global->p2p, freq); |
172 | } | |
173 | ||
174 | ||
b22128ef JM |
175 | static void wpas_p2p_scan_res_handler(struct wpa_supplicant *wpa_s, |
176 | struct wpa_scan_results *scan_res) | |
177 | { | |
178 | size_t i; | |
179 | ||
9526fd29 | 180 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
b22128ef JM |
181 | return; |
182 | ||
183 | wpa_printf(MSG_DEBUG, "P2P: Scan results received (%d BSS)", | |
184 | (int) scan_res->num); | |
185 | ||
186 | for (i = 0; i < scan_res->num; i++) { | |
187 | struct wpa_scan_res *bss = scan_res->res[i]; | |
c5f10e80 JM |
188 | struct os_time time_tmp_age, entry_ts; |
189 | time_tmp_age.sec = bss->age / 1000; | |
190 | time_tmp_age.usec = (bss->age % 1000) * 1000; | |
191 | os_time_sub(&scan_res->fetch_time, &time_tmp_age, &entry_ts); | |
b22128ef | 192 | if (p2p_scan_res_handler(wpa_s->global->p2p, bss->bssid, |
c5f10e80 | 193 | bss->freq, &entry_ts, bss->level, |
b22128ef JM |
194 | (const u8 *) (bss + 1), |
195 | bss->ie_len) > 0) | |
9bcf9541 | 196 | break; |
b22128ef JM |
197 | } |
198 | ||
199 | p2p_scan_res_handled(wpa_s->global->p2p); | |
200 | } | |
201 | ||
202 | ||
046ef4aa JMB |
203 | static int wpas_p2p_scan(void *ctx, enum p2p_scan_type type, int freq, |
204 | unsigned int num_req_dev_types, | |
360182ed | 205 | const u8 *req_dev_types, const u8 *dev_id, u16 pw_id) |
b22128ef JM |
206 | { |
207 | struct wpa_supplicant *wpa_s = ctx; | |
99fcd404 | 208 | struct wpa_supplicant *ifs; |
b22128ef JM |
209 | struct wpa_driver_scan_params params; |
210 | int ret; | |
211 | struct wpabuf *wps_ie, *ies; | |
212 | int social_channels[] = { 2412, 2437, 2462, 0, 0 }; | |
206e1f42 | 213 | size_t ielen; |
b22128ef | 214 | |
9526fd29 JM |
215 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
216 | return -1; | |
217 | ||
99fcd404 JM |
218 | for (ifs = wpa_s->global->ifaces; ifs; ifs = ifs->next) { |
219 | if (ifs->sta_scan_pending && | |
407be00b | 220 | (wpas_scan_scheduled(ifs) || ifs->scanning) && |
99fcd404 JM |
221 | wpas_p2p_in_progress(wpa_s) == 2) { |
222 | wpa_printf(MSG_DEBUG, "Delaying P2P scan to allow " | |
223 | "pending station mode scan to be " | |
224 | "completed on interface %s", ifs->ifname); | |
e665ca9a | 225 | wpa_s->global->p2p_cb_on_scan_complete = 1; |
99fcd404 JM |
226 | wpa_supplicant_req_scan(ifs, 0, 0); |
227 | return 1; | |
228 | } | |
229 | } | |
230 | ||
b22128ef JM |
231 | os_memset(¶ms, 0, sizeof(params)); |
232 | ||
233 | /* P2P Wildcard SSID */ | |
234 | params.num_ssids = 1; | |
235 | params.ssids[0].ssid = (u8 *) P2P_WILDCARD_SSID; | |
236 | params.ssids[0].ssid_len = P2P_WILDCARD_SSID_LEN; | |
237 | ||
238 | wpa_s->wps->dev.p2p = 1; | |
360182ed JM |
239 | wps_ie = wps_build_probe_req_ie(pw_id, &wpa_s->wps->dev, |
240 | wpa_s->wps->uuid, WPS_REQ_ENROLLEE, | |
046ef4aa | 241 | num_req_dev_types, req_dev_types); |
b22128ef JM |
242 | if (wps_ie == NULL) |
243 | return -1; | |
244 | ||
206e1f42 JM |
245 | ielen = p2p_scan_ie_buf_len(wpa_s->global->p2p); |
246 | ies = wpabuf_alloc(wpabuf_len(wps_ie) + ielen); | |
b22128ef JM |
247 | if (ies == NULL) { |
248 | wpabuf_free(wps_ie); | |
249 | return -1; | |
250 | } | |
251 | wpabuf_put_buf(ies, wps_ie); | |
252 | wpabuf_free(wps_ie); | |
253 | ||
6d92fa6e | 254 | p2p_scan_ie(wpa_s->global->p2p, ies, dev_id); |
b22128ef | 255 | |
47185fc7 | 256 | params.p2p_probe = 1; |
b22128ef JM |
257 | params.extra_ies = wpabuf_head(ies); |
258 | params.extra_ies_len = wpabuf_len(ies); | |
259 | ||
260 | switch (type) { | |
261 | case P2P_SCAN_SOCIAL: | |
262 | params.freqs = social_channels; | |
263 | break; | |
264 | case P2P_SCAN_FULL: | |
265 | break; | |
b22128ef JM |
266 | case P2P_SCAN_SOCIAL_PLUS_ONE: |
267 | social_channels[3] = freq; | |
268 | params.freqs = social_channels; | |
269 | break; | |
270 | } | |
271 | ||
17fbb751 | 272 | ret = wpa_drv_scan(wpa_s, ¶ms); |
b22128ef JM |
273 | |
274 | wpabuf_free(ies); | |
275 | ||
39185dfa | 276 | if (ret) { |
58d3760e JM |
277 | for (ifs = wpa_s->global->ifaces; ifs; ifs = ifs->next) { |
278 | if (ifs->scanning || | |
279 | ifs->scan_res_handler == wpas_p2p_scan_res_handler) { | |
280 | wpa_s->global->p2p_cb_on_scan_complete = 1; | |
281 | ret = 1; | |
282 | break; | |
283 | } | |
39185dfa | 284 | } |
4342326f JM |
285 | } else { |
286 | os_get_time(&wpa_s->scan_trigger_time); | |
5b376333 | 287 | wpa_s->scan_res_handler = wpas_p2p_scan_res_handler; |
4342326f | 288 | } |
0c96fd6d | 289 | |
b22128ef JM |
290 | return ret; |
291 | } | |
292 | ||
293 | ||
b22128ef JM |
294 | static enum wpa_driver_if_type wpas_p2p_if_type(int p2p_group_interface) |
295 | { | |
296 | switch (p2p_group_interface) { | |
297 | case P2P_GROUP_INTERFACE_PENDING: | |
298 | return WPA_IF_P2P_GROUP; | |
299 | case P2P_GROUP_INTERFACE_GO: | |
300 | return WPA_IF_P2P_GO; | |
301 | case P2P_GROUP_INTERFACE_CLIENT: | |
302 | return WPA_IF_P2P_CLIENT; | |
303 | } | |
304 | ||
305 | return WPA_IF_P2P_GROUP; | |
306 | } | |
307 | ||
308 | ||
6c0da49f JM |
309 | static struct wpa_supplicant * wpas_get_p2p_group(struct wpa_supplicant *wpa_s, |
310 | const u8 *ssid, | |
311 | size_t ssid_len, int *go) | |
312 | { | |
313 | struct wpa_ssid *s; | |
314 | ||
315 | for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) { | |
316 | for (s = wpa_s->conf->ssid; s; s = s->next) { | |
317 | if (s->disabled != 0 || !s->p2p_group || | |
318 | s->ssid_len != ssid_len || | |
319 | os_memcmp(ssid, s->ssid, ssid_len) != 0) | |
320 | continue; | |
321 | if (s->mode == WPAS_MODE_P2P_GO && | |
322 | s != wpa_s->current_ssid) | |
323 | continue; | |
324 | if (go) | |
325 | *go = s->mode == WPAS_MODE_P2P_GO; | |
326 | return wpa_s; | |
327 | } | |
328 | } | |
329 | ||
330 | return NULL; | |
331 | } | |
332 | ||
333 | ||
8dba4aef JM |
334 | static int wpas_p2p_group_delete(struct wpa_supplicant *wpa_s, |
335 | enum p2p_group_removal_reason removal_reason) | |
b22128ef JM |
336 | { |
337 | struct wpa_ssid *ssid; | |
338 | char *gtype; | |
3071e181 JM |
339 | const char *reason; |
340 | ||
b22128ef JM |
341 | ssid = wpa_s->current_ssid; |
342 | if (ssid == NULL) { | |
343 | /* | |
344 | * The current SSID was not known, but there may still be a | |
0c802384 JM |
345 | * pending P2P group interface waiting for provisioning or a |
346 | * P2P group that is trying to reconnect. | |
b22128ef JM |
347 | */ |
348 | ssid = wpa_s->conf->ssid; | |
349 | while (ssid) { | |
6d22a377 | 350 | if (ssid->p2p_group && ssid->disabled != 2) |
b22128ef JM |
351 | break; |
352 | ssid = ssid->next; | |
353 | } | |
6f1ca696 JM |
354 | if (ssid == NULL && |
355 | wpa_s->p2p_group_interface == NOT_P2P_GROUP_INTERFACE) | |
356 | { | |
30ee7692 MN |
357 | wpa_printf(MSG_ERROR, "P2P: P2P group interface " |
358 | "not found"); | |
359 | return -1; | |
360 | } | |
b22128ef JM |
361 | } |
362 | if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_GO) | |
363 | gtype = "GO"; | |
364 | else if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_CLIENT || | |
365 | (ssid && ssid->mode == WPAS_MODE_INFRA)) { | |
366 | wpa_s->reassociate = 0; | |
367 | wpa_s->disconnected = 1; | |
368 | wpa_supplicant_deauthenticate(wpa_s, | |
369 | WLAN_REASON_DEAUTH_LEAVING); | |
370 | gtype = "client"; | |
371 | } else | |
372 | gtype = "GO"; | |
72044390 JM |
373 | if (wpa_s->cross_connect_in_use) { |
374 | wpa_s->cross_connect_in_use = 0; | |
92c4465b JM |
375 | wpa_msg_global(wpa_s->parent, MSG_INFO, |
376 | P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s", | |
377 | wpa_s->ifname, wpa_s->cross_connect_uplink); | |
72044390 | 378 | } |
8dba4aef | 379 | switch (removal_reason) { |
3071e181 JM |
380 | case P2P_GROUP_REMOVAL_REQUESTED: |
381 | reason = " reason=REQUESTED"; | |
382 | break; | |
8dba4aef JM |
383 | case P2P_GROUP_REMOVAL_FORMATION_FAILED: |
384 | reason = " reason=FORMATION_FAILED"; | |
385 | break; | |
3071e181 JM |
386 | case P2P_GROUP_REMOVAL_IDLE_TIMEOUT: |
387 | reason = " reason=IDLE"; | |
388 | break; | |
c973f386 JM |
389 | case P2P_GROUP_REMOVAL_UNAVAILABLE: |
390 | reason = " reason=UNAVAILABLE"; | |
391 | break; | |
3fc14102 JM |
392 | case P2P_GROUP_REMOVAL_GO_ENDING_SESSION: |
393 | reason = " reason=GO_ENDING_SESSION"; | |
394 | break; | |
5bf9a6c8 JM |
395 | case P2P_GROUP_REMOVAL_PSK_FAILURE: |
396 | reason = " reason=PSK_FAILURE"; | |
397 | break; | |
3071e181 JM |
398 | default: |
399 | reason = ""; | |
400 | break; | |
401 | } | |
8dba4aef | 402 | if (removal_reason != P2P_GROUP_REMOVAL_SILENT) { |
92c4465b JM |
403 | wpa_msg_global(wpa_s->parent, MSG_INFO, |
404 | P2P_EVENT_GROUP_REMOVED "%s %s%s", | |
405 | wpa_s->ifname, gtype, reason); | |
aa9bb764 | 406 | } |
408af93e | 407 | |
dddc7045 JM |
408 | if (eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL) > 0) |
409 | wpa_printf(MSG_DEBUG, "P2P: Cancelled P2P group idle timeout"); | |
77dfafd0 | 410 | if (eloop_cancel_timeout(wpas_p2p_group_formation_timeout, |
c9c77083 | 411 | wpa_s->parent, NULL) > 0) { |
77dfafd0 JM |
412 | wpa_printf(MSG_DEBUG, "P2P: Cancelled P2P group formation " |
413 | "timeout"); | |
c9c77083 VN |
414 | wpa_s->p2p_in_provisioning = 0; |
415 | } | |
a7a30b90 | 416 | |
8dba4aef | 417 | if (removal_reason != P2P_GROUP_REMOVAL_SILENT && ssid) |
408af93e JB |
418 | wpas_notify_p2p_group_removed(wpa_s, ssid, gtype); |
419 | ||
b22128ef JM |
420 | if (wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE) { |
421 | struct wpa_global *global; | |
422 | char *ifname; | |
423 | enum wpa_driver_if_type type; | |
424 | wpa_printf(MSG_DEBUG, "P2P: Remove group interface %s", | |
425 | wpa_s->ifname); | |
426 | global = wpa_s->global; | |
427 | ifname = os_strdup(wpa_s->ifname); | |
428 | type = wpas_p2p_if_type(wpa_s->p2p_group_interface); | |
df509539 | 429 | wpa_supplicant_remove_iface(wpa_s->global, wpa_s, 0); |
b22128ef JM |
430 | wpa_s = global->ifaces; |
431 | if (wpa_s && ifname) | |
432 | wpa_drv_if_remove(wpa_s, type, ifname); | |
433 | os_free(ifname); | |
0aadd568 | 434 | return 1; |
b22128ef JM |
435 | } |
436 | ||
437 | wpa_printf(MSG_DEBUG, "P2P: Remove temporary group network"); | |
438 | if (ssid && (ssid->p2p_group || | |
439 | ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION || | |
440 | (ssid->key_mgmt & WPA_KEY_MGMT_WPS))) { | |
441 | int id = ssid->id; | |
20a0b03d JM |
442 | if (ssid == wpa_s->current_ssid) { |
443 | wpa_sm_set_config(wpa_s->wpa, NULL); | |
444 | eapol_sm_notify_config(wpa_s->eapol, NULL, NULL); | |
b22128ef | 445 | wpa_s->current_ssid = NULL; |
20a0b03d | 446 | } |
c2762e41 JS |
447 | /* |
448 | * Networks objects created during any P2P activities are not | |
449 | * exposed out as they might/will confuse certain non-P2P aware | |
450 | * applications since these network objects won't behave like | |
451 | * regular ones. | |
452 | * | |
453 | * Likewise, we don't send out network removed signals for such | |
454 | * network objects. | |
455 | */ | |
b22128ef JM |
456 | wpa_config_remove_network(wpa_s->conf, id); |
457 | wpa_supplicant_clear_status(wpa_s); | |
433cd2ce | 458 | wpa_supplicant_cancel_sched_scan(wpa_s); |
83218d20 | 459 | wpa_s->sta_scan_pending = 0; |
b22128ef JM |
460 | } else { |
461 | wpa_printf(MSG_DEBUG, "P2P: Temporary group network not " | |
462 | "found"); | |
463 | } | |
3c29244e EP |
464 | if (wpa_s->ap_iface) |
465 | wpa_supplicant_ap_deinit(wpa_s); | |
466 | else | |
467 | wpa_drv_deinit_p2p_cli(wpa_s); | |
30ee7692 MN |
468 | |
469 | return 0; | |
b22128ef JM |
470 | } |
471 | ||
472 | ||
473 | static int wpas_p2p_persistent_group(struct wpa_supplicant *wpa_s, | |
474 | u8 *go_dev_addr, | |
475 | const u8 *ssid, size_t ssid_len) | |
476 | { | |
477 | struct wpa_bss *bss; | |
478 | const u8 *bssid; | |
479 | struct wpabuf *p2p; | |
480 | u8 group_capab; | |
481 | const u8 *addr; | |
482 | ||
483 | if (wpa_s->go_params) | |
484 | bssid = wpa_s->go_params->peer_interface_addr; | |
485 | else | |
486 | bssid = wpa_s->bssid; | |
487 | ||
488 | bss = wpa_bss_get(wpa_s, bssid, ssid, ssid_len); | |
489 | if (bss == NULL) { | |
490 | u8 iface_addr[ETH_ALEN]; | |
491 | if (p2p_get_interface_addr(wpa_s->global->p2p, bssid, | |
492 | iface_addr) == 0) | |
493 | bss = wpa_bss_get(wpa_s, iface_addr, ssid, ssid_len); | |
494 | } | |
495 | if (bss == NULL) { | |
496 | wpa_printf(MSG_DEBUG, "P2P: Could not figure out whether " | |
497 | "group is persistent - BSS " MACSTR " not found", | |
498 | MAC2STR(bssid)); | |
499 | return 0; | |
500 | } | |
501 | ||
502 | p2p = wpa_bss_get_vendor_ie_multi(bss, P2P_IE_VENDOR_TYPE); | |
503 | if (p2p == NULL) { | |
504 | wpa_printf(MSG_DEBUG, "P2P: Could not figure out whether " | |
505 | "group is persistent - BSS " MACSTR | |
506 | " did not include P2P IE", MAC2STR(bssid)); | |
507 | wpa_hexdump(MSG_DEBUG, "P2P: Probe Response IEs", | |
508 | (u8 *) (bss + 1), bss->ie_len); | |
509 | wpa_hexdump(MSG_DEBUG, "P2P: Beacon IEs", | |
510 | ((u8 *) bss + 1) + bss->ie_len, | |
511 | bss->beacon_ie_len); | |
512 | return 0; | |
513 | } | |
514 | ||
515 | group_capab = p2p_get_group_capab(p2p); | |
516 | addr = p2p_get_go_dev_addr(p2p); | |
517 | wpa_printf(MSG_DEBUG, "P2P: Checking whether group is persistent: " | |
518 | "group_capab=0x%x", group_capab); | |
519 | if (addr) { | |
520 | os_memcpy(go_dev_addr, addr, ETH_ALEN); | |
521 | wpa_printf(MSG_DEBUG, "P2P: GO Device Address " MACSTR, | |
522 | MAC2STR(addr)); | |
523 | } else | |
524 | os_memset(go_dev_addr, 0, ETH_ALEN); | |
525 | wpabuf_free(p2p); | |
526 | ||
527 | wpa_printf(MSG_DEBUG, "P2P: BSS " MACSTR " group_capab=0x%x " | |
528 | "go_dev_addr=" MACSTR, | |
529 | MAC2STR(bssid), group_capab, MAC2STR(go_dev_addr)); | |
530 | ||
531 | return group_capab & P2P_GROUP_CAPAB_PERSISTENT_GROUP; | |
532 | } | |
533 | ||
534 | ||
4b6baa2f JMB |
535 | static int wpas_p2p_store_persistent_group(struct wpa_supplicant *wpa_s, |
536 | struct wpa_ssid *ssid, | |
537 | const u8 *go_dev_addr) | |
b22128ef JM |
538 | { |
539 | struct wpa_ssid *s; | |
540 | int changed = 0; | |
541 | ||
542 | wpa_printf(MSG_DEBUG, "P2P: Storing credentials for a persistent " | |
543 | "group (GO Dev Addr " MACSTR ")", MAC2STR(go_dev_addr)); | |
544 | for (s = wpa_s->conf->ssid; s; s = s->next) { | |
545 | if (s->disabled == 2 && | |
546 | os_memcmp(go_dev_addr, s->bssid, ETH_ALEN) == 0 && | |
547 | s->ssid_len == ssid->ssid_len && | |
548 | os_memcmp(ssid->ssid, s->ssid, ssid->ssid_len) == 0) | |
549 | break; | |
550 | } | |
551 | ||
552 | if (s) { | |
553 | wpa_printf(MSG_DEBUG, "P2P: Update existing persistent group " | |
554 | "entry"); | |
555 | if (ssid->passphrase && !s->passphrase) | |
556 | changed = 1; | |
557 | else if (ssid->passphrase && s->passphrase && | |
558 | os_strcmp(ssid->passphrase, s->passphrase) != 0) | |
559 | changed = 1; | |
560 | } else { | |
561 | wpa_printf(MSG_DEBUG, "P2P: Create a new persistent group " | |
562 | "entry"); | |
563 | changed = 1; | |
564 | s = wpa_config_add_network(wpa_s->conf); | |
565 | if (s == NULL) | |
4b6baa2f | 566 | return -1; |
c2762e41 JS |
567 | |
568 | /* | |
569 | * Instead of network_added we emit persistent_group_added | |
570 | * notification. Also to keep the defense checks in | |
571 | * persistent_group obj registration method, we set the | |
572 | * relevant flags in s to designate it as a persistent group. | |
573 | */ | |
574 | s->p2p_group = 1; | |
575 | s->p2p_persistent_group = 1; | |
576 | wpas_notify_persistent_group_added(wpa_s, s); | |
b22128ef JM |
577 | wpa_config_set_network_defaults(s); |
578 | } | |
579 | ||
580 | s->p2p_group = 1; | |
581 | s->p2p_persistent_group = 1; | |
582 | s->disabled = 2; | |
583 | s->bssid_set = 1; | |
584 | os_memcpy(s->bssid, go_dev_addr, ETH_ALEN); | |
585 | s->mode = ssid->mode; | |
586 | s->auth_alg = WPA_AUTH_ALG_OPEN; | |
587 | s->key_mgmt = WPA_KEY_MGMT_PSK; | |
588 | s->proto = WPA_PROTO_RSN; | |
589 | s->pairwise_cipher = WPA_CIPHER_CCMP; | |
d1c8ac88 | 590 | s->export_keys = 1; |
b22128ef JM |
591 | if (ssid->passphrase) { |
592 | os_free(s->passphrase); | |
593 | s->passphrase = os_strdup(ssid->passphrase); | |
594 | } | |
595 | if (ssid->psk_set) { | |
596 | s->psk_set = 1; | |
597 | os_memcpy(s->psk, ssid->psk, 32); | |
598 | } | |
599 | if (s->passphrase && !s->psk_set) | |
600 | wpa_config_update_psk(s); | |
601 | if (s->ssid == NULL || s->ssid_len < ssid->ssid_len) { | |
602 | os_free(s->ssid); | |
603 | s->ssid = os_malloc(ssid->ssid_len); | |
604 | } | |
605 | if (s->ssid) { | |
606 | s->ssid_len = ssid->ssid_len; | |
607 | os_memcpy(s->ssid, ssid->ssid, s->ssid_len); | |
608 | } | |
01a57fe4 JM |
609 | if (ssid->mode == WPAS_MODE_P2P_GO && wpa_s->global->add_psk) { |
610 | dl_list_add(&s->psk_list, &wpa_s->global->add_psk->list); | |
611 | wpa_s->global->add_psk = NULL; | |
612 | changed = 1; | |
613 | } | |
b22128ef JM |
614 | |
615 | #ifndef CONFIG_NO_CONFIG_WRITE | |
616 | if (changed && wpa_s->conf->update_config && | |
617 | wpa_config_write(wpa_s->confname, wpa_s->conf)) { | |
618 | wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration"); | |
619 | } | |
620 | #endif /* CONFIG_NO_CONFIG_WRITE */ | |
4b6baa2f JMB |
621 | |
622 | return s->id; | |
b22128ef JM |
623 | } |
624 | ||
625 | ||
fbdcfd57 JM |
626 | static void wpas_p2p_add_persistent_group_client(struct wpa_supplicant *wpa_s, |
627 | const u8 *addr) | |
628 | { | |
629 | struct wpa_ssid *ssid, *s; | |
630 | u8 *n; | |
631 | size_t i; | |
22316795 | 632 | int found = 0; |
fbdcfd57 JM |
633 | |
634 | ssid = wpa_s->current_ssid; | |
635 | if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO || | |
636 | !ssid->p2p_persistent_group) | |
637 | return; | |
638 | ||
639 | for (s = wpa_s->parent->conf->ssid; s; s = s->next) { | |
640 | if (s->disabled != 2 || s->mode != WPAS_MODE_P2P_GO) | |
641 | continue; | |
642 | ||
643 | if (s->ssid_len == ssid->ssid_len && | |
644 | os_memcmp(s->ssid, ssid->ssid, s->ssid_len) == 0) | |
645 | break; | |
646 | } | |
647 | ||
648 | if (s == NULL) | |
649 | return; | |
650 | ||
651 | for (i = 0; s->p2p_client_list && i < s->num_p2p_clients; i++) { | |
652 | if (os_memcmp(s->p2p_client_list + i * ETH_ALEN, addr, | |
22316795 JM |
653 | ETH_ALEN) != 0) |
654 | continue; | |
655 | ||
656 | if (i == s->num_p2p_clients - 1) | |
657 | return; /* already the most recent entry */ | |
658 | ||
659 | /* move the entry to mark it most recent */ | |
660 | os_memmove(s->p2p_client_list + i * ETH_ALEN, | |
661 | s->p2p_client_list + (i + 1) * ETH_ALEN, | |
662 | (s->num_p2p_clients - i - 1) * ETH_ALEN); | |
663 | os_memcpy(s->p2p_client_list + | |
664 | (s->num_p2p_clients - 1) * ETH_ALEN, addr, ETH_ALEN); | |
665 | found = 1; | |
666 | break; | |
fbdcfd57 JM |
667 | } |
668 | ||
b4a5dfa9 | 669 | if (!found && s->num_p2p_clients < P2P_MAX_STORED_CLIENTS) { |
22316795 JM |
670 | n = os_realloc_array(s->p2p_client_list, |
671 | s->num_p2p_clients + 1, ETH_ALEN); | |
672 | if (n == NULL) | |
673 | return; | |
674 | os_memcpy(n + s->num_p2p_clients * ETH_ALEN, addr, ETH_ALEN); | |
675 | s->p2p_client_list = n; | |
676 | s->num_p2p_clients++; | |
b4a5dfa9 JM |
677 | } else if (!found) { |
678 | /* Not enough room for an additional entry - drop the oldest | |
679 | * entry */ | |
680 | os_memmove(s->p2p_client_list, | |
681 | s->p2p_client_list + ETH_ALEN, | |
682 | (s->num_p2p_clients - 1) * ETH_ALEN); | |
683 | os_memcpy(s->p2p_client_list + | |
684 | (s->num_p2p_clients - 1) * ETH_ALEN, | |
685 | addr, ETH_ALEN); | |
22316795 | 686 | } |
fbdcfd57 JM |
687 | |
688 | #ifndef CONFIG_NO_CONFIG_WRITE | |
689 | if (wpa_s->parent->conf->update_config && | |
690 | wpa_config_write(wpa_s->parent->confname, wpa_s->parent->conf)) | |
691 | wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration"); | |
692 | #endif /* CONFIG_NO_CONFIG_WRITE */ | |
693 | } | |
694 | ||
695 | ||
b22128ef JM |
696 | static void wpas_group_formation_completed(struct wpa_supplicant *wpa_s, |
697 | int success) | |
698 | { | |
699 | struct wpa_ssid *ssid; | |
700 | const char *ssid_txt; | |
701 | int client; | |
702 | int persistent; | |
703 | u8 go_dev_addr[ETH_ALEN]; | |
4b6baa2f | 704 | int network_id = -1; |
b22128ef JM |
705 | |
706 | /* | |
707 | * This callback is likely called for the main interface. Update wpa_s | |
708 | * to use the group interface if a new interface was created for the | |
709 | * group. | |
710 | */ | |
711 | if (wpa_s->global->p2p_group_formation) | |
712 | wpa_s = wpa_s->global->p2p_group_formation; | |
41f85323 JM |
713 | if (wpa_s->p2p_go_group_formation_completed) { |
714 | wpa_s->global->p2p_group_formation = NULL; | |
715 | wpa_s->p2p_in_provisioning = 0; | |
716 | } | |
b22128ef JM |
717 | |
718 | if (!success) { | |
92c4465b JM |
719 | wpa_msg_global(wpa_s->parent, MSG_INFO, |
720 | P2P_EVENT_GROUP_FORMATION_FAILURE); | |
8dba4aef JM |
721 | wpas_p2p_group_delete(wpa_s, |
722 | P2P_GROUP_REMOVAL_FORMATION_FAILED); | |
b22128ef JM |
723 | return; |
724 | } | |
725 | ||
92c4465b JM |
726 | wpa_msg_global(wpa_s->parent, MSG_INFO, |
727 | P2P_EVENT_GROUP_FORMATION_SUCCESS); | |
b22128ef JM |
728 | |
729 | ssid = wpa_s->current_ssid; | |
730 | if (ssid && ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) { | |
731 | ssid->mode = WPAS_MODE_P2P_GO; | |
732 | p2p_group_notif_formation_done(wpa_s->p2p_group); | |
733 | wpa_supplicant_ap_mac_addr_filter(wpa_s, NULL); | |
734 | } | |
735 | ||
736 | persistent = 0; | |
737 | if (ssid) { | |
738 | ssid_txt = wpa_ssid_txt(ssid->ssid, ssid->ssid_len); | |
739 | client = ssid->mode == WPAS_MODE_INFRA; | |
740 | if (ssid->mode == WPAS_MODE_P2P_GO) { | |
741 | persistent = ssid->p2p_persistent_group; | |
d7e70476 | 742 | os_memcpy(go_dev_addr, wpa_s->global->p2p_dev_addr, |
b22128ef JM |
743 | ETH_ALEN); |
744 | } else | |
745 | persistent = wpas_p2p_persistent_group(wpa_s, | |
746 | go_dev_addr, | |
747 | ssid->ssid, | |
748 | ssid->ssid_len); | |
749 | } else { | |
750 | ssid_txt = ""; | |
751 | client = wpa_s->p2p_group_interface == | |
752 | P2P_GROUP_INTERFACE_CLIENT; | |
62c0d27e | 753 | os_memset(go_dev_addr, 0, ETH_ALEN); |
b22128ef JM |
754 | } |
755 | ||
756 | wpa_s->show_group_started = 0; | |
757 | if (client) { | |
758 | /* | |
759 | * Indicate event only after successfully completed 4-way | |
760 | * handshake, i.e., when the interface is ready for data | |
761 | * packets. | |
762 | */ | |
763 | wpa_s->show_group_started = 1; | |
764 | } else if (ssid && ssid->passphrase == NULL && ssid->psk_set) { | |
765 | char psk[65]; | |
766 | wpa_snprintf_hex(psk, sizeof(psk), ssid->psk, 32); | |
92c4465b JM |
767 | wpa_msg_global(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED |
768 | "%s GO ssid=\"%s\" freq=%d psk=%s go_dev_addr=" | |
769 | MACSTR "%s", | |
770 | wpa_s->ifname, ssid_txt, ssid->frequency, psk, | |
771 | MAC2STR(go_dev_addr), | |
772 | persistent ? " [PERSISTENT]" : ""); | |
72044390 | 773 | wpas_p2p_cross_connect_setup(wpa_s); |
3071e181 | 774 | wpas_p2p_set_group_idle_timeout(wpa_s); |
b22128ef | 775 | } else { |
92c4465b JM |
776 | wpa_msg_global(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED |
777 | "%s GO ssid=\"%s\" freq=%d passphrase=\"%s\" " | |
778 | "go_dev_addr=" MACSTR "%s", | |
779 | wpa_s->ifname, ssid_txt, | |
780 | ssid ? ssid->frequency : 0, | |
781 | ssid && ssid->passphrase ? ssid->passphrase : "", | |
782 | MAC2STR(go_dev_addr), | |
783 | persistent ? " [PERSISTENT]" : ""); | |
72044390 | 784 | wpas_p2p_cross_connect_setup(wpa_s); |
3071e181 | 785 | wpas_p2p_set_group_idle_timeout(wpa_s); |
b22128ef JM |
786 | } |
787 | ||
788 | if (persistent) | |
4b6baa2f JMB |
789 | network_id = wpas_p2p_store_persistent_group(wpa_s->parent, |
790 | ssid, go_dev_addr); | |
01a57fe4 JM |
791 | else { |
792 | os_free(wpa_s->global->add_psk); | |
793 | wpa_s->global->add_psk = NULL; | |
794 | } | |
21fe9e75 | 795 | if (network_id < 0 && ssid) |
4b6baa2f | 796 | network_id = ssid->id; |
c1c0b35f | 797 | if (!client) { |
4b6baa2f | 798 | wpas_notify_p2p_group_started(wpa_s, ssid, network_id, 0); |
c1c0b35f JM |
799 | os_get_time(&wpa_s->global->p2p_go_wait_client); |
800 | } | |
b22128ef JM |
801 | } |
802 | ||
803 | ||
24f6497c JM |
804 | static void wpas_p2p_send_action_tx_status(struct wpa_supplicant *wpa_s, |
805 | unsigned int freq, | |
806 | const u8 *dst, const u8 *src, | |
807 | const u8 *bssid, | |
808 | const u8 *data, size_t data_len, | |
809 | enum offchannel_send_action_result | |
810 | result) | |
534525ff | 811 | { |
24f6497c | 812 | enum p2p_send_action_result res = P2P_SEND_ACTION_SUCCESS; |
b22128ef | 813 | |
9526fd29 | 814 | if (wpa_s->global->p2p == NULL || wpa_s->global->p2p_disabled) |
b22128ef | 815 | return; |
3ac17eba JM |
816 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
817 | return; | |
b22128ef | 818 | |
24f6497c JM |
819 | switch (result) { |
820 | case OFFCHANNEL_SEND_ACTION_SUCCESS: | |
821 | res = P2P_SEND_ACTION_SUCCESS; | |
822 | break; | |
823 | case OFFCHANNEL_SEND_ACTION_NO_ACK: | |
824 | res = P2P_SEND_ACTION_NO_ACK; | |
825 | break; | |
826 | case OFFCHANNEL_SEND_ACTION_FAILED: | |
827 | res = P2P_SEND_ACTION_FAILED; | |
828 | break; | |
b22128ef JM |
829 | } |
830 | ||
24f6497c | 831 | p2p_send_action_cb(wpa_s->global->p2p, freq, dst, src, bssid, res); |
b22128ef | 832 | |
f63b8542 JM |
833 | if (result != OFFCHANNEL_SEND_ACTION_SUCCESS && |
834 | wpa_s->pending_pd_before_join && | |
24f6497c | 835 | (os_memcmp(dst, wpa_s->pending_join_dev_addr, ETH_ALEN) == 0 || |
175171ac JM |
836 | os_memcmp(dst, wpa_s->pending_join_iface_addr, ETH_ALEN) == 0) && |
837 | wpa_s->p2p_fallback_to_go_neg) { | |
b22128ef | 838 | wpa_s->pending_pd_before_join = 0; |
175171ac JM |
839 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: No ACK for PD Req " |
840 | "during p2p_connect-auto"); | |
841 | wpas_p2p_fallback_to_go_neg(wpa_s, 0); | |
842 | return; | |
b22128ef JM |
843 | } |
844 | } | |
845 | ||
846 | ||
847 | static int wpas_send_action(void *ctx, unsigned int freq, const u8 *dst, | |
848 | const u8 *src, const u8 *bssid, const u8 *buf, | |
849 | size_t len, unsigned int wait_time) | |
850 | { | |
851 | struct wpa_supplicant *wpa_s = ctx; | |
24f6497c JM |
852 | return offchannel_send_action(wpa_s, freq, dst, src, bssid, buf, len, |
853 | wait_time, | |
b106173a | 854 | wpas_p2p_send_action_tx_status, 1); |
b22128ef JM |
855 | } |
856 | ||
857 | ||
858 | static void wpas_send_action_done(void *ctx) | |
859 | { | |
860 | struct wpa_supplicant *wpa_s = ctx; | |
24f6497c | 861 | offchannel_send_action_done(wpa_s); |
b22128ef JM |
862 | } |
863 | ||
864 | ||
865 | static int wpas_copy_go_neg_results(struct wpa_supplicant *wpa_s, | |
866 | struct p2p_go_neg_results *params) | |
867 | { | |
868 | if (wpa_s->go_params == NULL) { | |
869 | wpa_s->go_params = os_malloc(sizeof(*params)); | |
870 | if (wpa_s->go_params == NULL) | |
871 | return -1; | |
872 | } | |
873 | os_memcpy(wpa_s->go_params, params, sizeof(*params)); | |
874 | return 0; | |
875 | } | |
876 | ||
877 | ||
878 | static void wpas_start_wps_enrollee(struct wpa_supplicant *wpa_s, | |
879 | struct p2p_go_neg_results *res) | |
880 | { | |
3b29972c JM |
881 | wpa_printf(MSG_DEBUG, "P2P: Start WPS Enrollee for peer " MACSTR, |
882 | MAC2STR(res->peer_interface_addr)); | |
e9a7ae41 JM |
883 | wpa_hexdump_ascii(MSG_DEBUG, "P2P: Start WPS Enrollee for SSID", |
884 | res->ssid, res->ssid_len); | |
b22128ef JM |
885 | wpa_supplicant_ap_deinit(wpa_s); |
886 | wpas_copy_go_neg_results(wpa_s, res); | |
887 | if (res->wps_method == WPS_PBC) | |
3b29972c | 888 | wpas_wps_start_pbc(wpa_s, res->peer_interface_addr, 1); |
3c5126a4 JM |
889 | else { |
890 | u16 dev_pw_id = DEV_PW_DEFAULT; | |
891 | if (wpa_s->p2p_wps_method == WPS_PIN_KEYPAD) | |
892 | dev_pw_id = DEV_PW_REGISTRAR_SPECIFIED; | |
b22128ef | 893 | wpas_wps_start_pin(wpa_s, res->peer_interface_addr, |
3c5126a4 JM |
894 | wpa_s->p2p_pin, 1, dev_pw_id); |
895 | } | |
b22128ef JM |
896 | } |
897 | ||
898 | ||
01a57fe4 JM |
899 | static void wpas_p2p_add_psk_list(struct wpa_supplicant *wpa_s, |
900 | struct wpa_ssid *ssid) | |
901 | { | |
902 | struct wpa_ssid *persistent; | |
903 | struct psk_list_entry *psk; | |
904 | struct hostapd_data *hapd; | |
905 | ||
906 | if (!wpa_s->ap_iface) | |
907 | return; | |
908 | ||
909 | persistent = wpas_p2p_get_persistent(wpa_s->parent, NULL, ssid->ssid, | |
910 | ssid->ssid_len); | |
911 | if (persistent == NULL) | |
912 | return; | |
913 | ||
914 | hapd = wpa_s->ap_iface->bss[0]; | |
915 | ||
916 | dl_list_for_each(psk, &persistent->psk_list, struct psk_list_entry, | |
917 | list) { | |
918 | struct hostapd_wpa_psk *hpsk; | |
919 | ||
920 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Add persistent group PSK entry for " | |
921 | MACSTR " psk=%d", | |
922 | MAC2STR(psk->addr), psk->p2p); | |
923 | hpsk = os_zalloc(sizeof(*hpsk)); | |
924 | if (hpsk == NULL) | |
925 | break; | |
926 | os_memcpy(hpsk->psk, psk->psk, PMK_LEN); | |
927 | if (psk->p2p) | |
928 | os_memcpy(hpsk->p2p_dev_addr, psk->addr, ETH_ALEN); | |
929 | else | |
930 | os_memcpy(hpsk->addr, psk->addr, ETH_ALEN); | |
931 | hpsk->next = hapd->conf->ssid.wpa_psk; | |
932 | hapd->conf->ssid.wpa_psk = hpsk; | |
933 | } | |
934 | } | |
935 | ||
936 | ||
b22128ef JM |
937 | static void p2p_go_configured(void *ctx, void *data) |
938 | { | |
939 | struct wpa_supplicant *wpa_s = ctx; | |
940 | struct p2p_go_neg_results *params = data; | |
941 | struct wpa_ssid *ssid; | |
4b6baa2f | 942 | int network_id = -1; |
b22128ef JM |
943 | |
944 | ssid = wpa_s->current_ssid; | |
945 | if (ssid && ssid->mode == WPAS_MODE_P2P_GO) { | |
946 | wpa_printf(MSG_DEBUG, "P2P: Group setup without provisioning"); | |
d1b024c9 JM |
947 | if (wpa_s->global->p2p_group_formation == wpa_s) |
948 | wpa_s->global->p2p_group_formation = NULL; | |
bb4d4deb | 949 | if (os_strlen(params->passphrase) > 0) { |
92c4465b JM |
950 | wpa_msg_global(wpa_s->parent, MSG_INFO, |
951 | P2P_EVENT_GROUP_STARTED | |
952 | "%s GO ssid=\"%s\" freq=%d " | |
953 | "passphrase=\"%s\" go_dev_addr=" MACSTR | |
954 | "%s", wpa_s->ifname, | |
955 | wpa_ssid_txt(ssid->ssid, ssid->ssid_len), | |
956 | ssid->frequency, params->passphrase, | |
957 | MAC2STR(wpa_s->global->p2p_dev_addr), | |
958 | params->persistent_group ? | |
959 | " [PERSISTENT]" : ""); | |
bb4d4deb MH |
960 | } else { |
961 | char psk[65]; | |
962 | wpa_snprintf_hex(psk, sizeof(psk), params->psk, | |
963 | sizeof(params->psk)); | |
92c4465b JM |
964 | wpa_msg_global(wpa_s->parent, MSG_INFO, |
965 | P2P_EVENT_GROUP_STARTED | |
966 | "%s GO ssid=\"%s\" freq=%d psk=%s " | |
967 | "go_dev_addr=" MACSTR "%s", | |
968 | wpa_s->ifname, | |
969 | wpa_ssid_txt(ssid->ssid, ssid->ssid_len), | |
970 | ssid->frequency, psk, | |
971 | MAC2STR(wpa_s->global->p2p_dev_addr), | |
972 | params->persistent_group ? | |
973 | " [PERSISTENT]" : ""); | |
bb4d4deb | 974 | } |
4b6baa2f | 975 | |
01a57fe4 | 976 | if (params->persistent_group) { |
4b6baa2f | 977 | network_id = wpas_p2p_store_persistent_group( |
b22128ef | 978 | wpa_s->parent, ssid, |
d7e70476 | 979 | wpa_s->global->p2p_dev_addr); |
01a57fe4 JM |
980 | wpas_p2p_add_psk_list(wpa_s, ssid); |
981 | } | |
4b6baa2f JMB |
982 | if (network_id < 0) |
983 | network_id = ssid->id; | |
984 | wpas_notify_p2p_group_started(wpa_s, ssid, network_id, 0); | |
72044390 | 985 | wpas_p2p_cross_connect_setup(wpa_s); |
3071e181 | 986 | wpas_p2p_set_group_idle_timeout(wpa_s); |
b22128ef JM |
987 | return; |
988 | } | |
989 | ||
990 | wpa_printf(MSG_DEBUG, "P2P: Setting up WPS for GO provisioning"); | |
991 | if (wpa_supplicant_ap_mac_addr_filter(wpa_s, | |
992 | params->peer_interface_addr)) { | |
993 | wpa_printf(MSG_DEBUG, "P2P: Failed to setup MAC address " | |
994 | "filtering"); | |
995 | return; | |
996 | } | |
997 | if (params->wps_method == WPS_PBC) | |
d601247c | 998 | wpa_supplicant_ap_wps_pbc(wpa_s, params->peer_interface_addr, |
c3daaf33 | 999 | params->peer_device_addr); |
b22128ef JM |
1000 | else if (wpa_s->p2p_pin[0]) |
1001 | wpa_supplicant_ap_wps_pin(wpa_s, params->peer_interface_addr, | |
c423708f | 1002 | wpa_s->p2p_pin, NULL, 0, 0); |
b22128ef JM |
1003 | os_free(wpa_s->go_params); |
1004 | wpa_s->go_params = NULL; | |
1005 | } | |
1006 | ||
1007 | ||
1008 | static void wpas_start_wps_go(struct wpa_supplicant *wpa_s, | |
1009 | struct p2p_go_neg_results *params, | |
1010 | int group_formation) | |
1011 | { | |
1012 | struct wpa_ssid *ssid; | |
1013 | ||
ac06fb12 JM |
1014 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Starting GO"); |
1015 | if (wpas_copy_go_neg_results(wpa_s, params) < 0) { | |
1016 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Could not copy GO Negotiation " | |
1017 | "results"); | |
b22128ef | 1018 | return; |
ac06fb12 | 1019 | } |
b22128ef JM |
1020 | |
1021 | ssid = wpa_config_add_network(wpa_s->conf); | |
ac06fb12 JM |
1022 | if (ssid == NULL) { |
1023 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Could not add network for GO"); | |
b22128ef | 1024 | return; |
ac06fb12 | 1025 | } |
b22128ef | 1026 | |
a9e02d59 JM |
1027 | wpa_s->show_group_started = 0; |
1028 | ||
b22128ef JM |
1029 | wpa_config_set_network_defaults(ssid); |
1030 | ssid->temporary = 1; | |
1031 | ssid->p2p_group = 1; | |
1032 | ssid->p2p_persistent_group = params->persistent_group; | |
1033 | ssid->mode = group_formation ? WPAS_MODE_P2P_GROUP_FORMATION : | |
1034 | WPAS_MODE_P2P_GO; | |
1035 | ssid->frequency = params->freq; | |
7aeac985 | 1036 | ssid->ht40 = params->ht40; |
b22128ef JM |
1037 | ssid->ssid = os_zalloc(params->ssid_len + 1); |
1038 | if (ssid->ssid) { | |
1039 | os_memcpy(ssid->ssid, params->ssid, params->ssid_len); | |
1040 | ssid->ssid_len = params->ssid_len; | |
1041 | } | |
1042 | ssid->auth_alg = WPA_AUTH_ALG_OPEN; | |
1043 | ssid->key_mgmt = WPA_KEY_MGMT_PSK; | |
1044 | ssid->proto = WPA_PROTO_RSN; | |
1045 | ssid->pairwise_cipher = WPA_CIPHER_CCMP; | |
bb4d4deb MH |
1046 | if (os_strlen(params->passphrase) > 0) { |
1047 | ssid->passphrase = os_strdup(params->passphrase); | |
1048 | if (ssid->passphrase == NULL) { | |
92c4465b JM |
1049 | wpa_msg_global(wpa_s, MSG_ERROR, |
1050 | "P2P: Failed to copy passphrase for GO"); | |
bb4d4deb MH |
1051 | wpa_config_remove_network(wpa_s->conf, ssid->id); |
1052 | return; | |
1053 | } | |
1054 | } else | |
1055 | ssid->passphrase = NULL; | |
30c371e8 MH |
1056 | ssid->psk_set = params->psk_set; |
1057 | if (ssid->psk_set) | |
1058 | os_memcpy(ssid->psk, params->psk, sizeof(ssid->psk)); | |
6350a148 | 1059 | else if (ssid->passphrase) |
30c371e8 | 1060 | wpa_config_update_psk(ssid); |
462a7439 | 1061 | ssid->ap_max_inactivity = wpa_s->parent->conf->p2p_go_max_inactivity; |
b22128ef JM |
1062 | |
1063 | wpa_s->ap_configured_cb = p2p_go_configured; | |
1064 | wpa_s->ap_configured_cb_ctx = wpa_s; | |
1065 | wpa_s->ap_configured_cb_data = wpa_s->go_params; | |
7dcdcfd6 | 1066 | wpa_s->connect_without_scan = ssid; |
b22128ef JM |
1067 | wpa_s->reassociate = 1; |
1068 | wpa_s->disconnected = 0; | |
ac06fb12 JM |
1069 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Request scan (that will be skipped) to " |
1070 | "start GO)"); | |
b22128ef JM |
1071 | wpa_supplicant_req_scan(wpa_s, 0, 0); |
1072 | } | |
1073 | ||
1074 | ||
1075 | static void wpas_p2p_clone_config(struct wpa_supplicant *dst, | |
1076 | const struct wpa_supplicant *src) | |
1077 | { | |
1078 | struct wpa_config *d; | |
1079 | const struct wpa_config *s; | |
1080 | ||
1081 | d = dst->conf; | |
1082 | s = src->conf; | |
1083 | ||
1084 | #define C(n) if (s->n) d->n = os_strdup(s->n) | |
1085 | C(device_name); | |
1086 | C(manufacturer); | |
1087 | C(model_name); | |
1088 | C(model_number); | |
1089 | C(serial_number); | |
b22128ef JM |
1090 | C(config_methods); |
1091 | #undef C | |
3071e181 | 1092 | |
2f646b6e JB |
1093 | os_memcpy(d->device_type, s->device_type, WPS_DEV_TYPE_LEN); |
1094 | os_memcpy(d->sec_device_type, s->sec_device_type, | |
1095 | sizeof(d->sec_device_type)); | |
1096 | d->num_sec_device_types = s->num_sec_device_types; | |
1097 | ||
3071e181 | 1098 | d->p2p_group_idle = s->p2p_group_idle; |
b029bd33 | 1099 | d->p2p_intra_bss = s->p2p_intra_bss; |
acc247b2 | 1100 | d->persistent_reconnect = s->persistent_reconnect; |
f571b593 | 1101 | d->max_num_sta = s->max_num_sta; |
1298c145 | 1102 | d->pbc_in_m1 = s->pbc_in_m1; |
4342326f | 1103 | d->ignore_old_scan_res = s->ignore_old_scan_res; |
41b1a76a | 1104 | d->beacon_int = s->beacon_int; |
5046eb4e | 1105 | d->disassoc_low_ack = s->disassoc_low_ack; |
b22128ef JM |
1106 | } |
1107 | ||
1108 | ||
2e5ba4b6 AS |
1109 | static void wpas_p2p_get_group_ifname(struct wpa_supplicant *wpa_s, |
1110 | char *ifname, size_t len) | |
1111 | { | |
1112 | char *ifname_ptr = wpa_s->ifname; | |
1113 | ||
1114 | if (os_strncmp(wpa_s->ifname, P2P_MGMT_DEVICE_PREFIX, | |
1115 | os_strlen(P2P_MGMT_DEVICE_PREFIX)) == 0) { | |
1116 | ifname_ptr = os_strrchr(wpa_s->ifname, '-') + 1; | |
1117 | } | |
1118 | ||
1119 | os_snprintf(ifname, len, "p2p-%s-%d", ifname_ptr, wpa_s->p2p_group_idx); | |
1120 | if (os_strlen(ifname) >= IFNAMSIZ && | |
1121 | os_strlen(wpa_s->ifname) < IFNAMSIZ) { | |
1122 | /* Try to avoid going over the IFNAMSIZ length limit */ | |
1123 | os_snprintf(ifname, sizeof(ifname), "p2p-%d", | |
1124 | wpa_s->p2p_group_idx); | |
1125 | } | |
1126 | } | |
1127 | ||
1128 | ||
b22128ef JM |
1129 | static int wpas_p2p_add_group_interface(struct wpa_supplicant *wpa_s, |
1130 | enum wpa_driver_if_type type) | |
1131 | { | |
1132 | char ifname[120], force_ifname[120]; | |
1133 | ||
1134 | if (wpa_s->pending_interface_name[0]) { | |
1135 | wpa_printf(MSG_DEBUG, "P2P: Pending virtual interface exists " | |
1136 | "- skip creation of a new one"); | |
1137 | if (is_zero_ether_addr(wpa_s->pending_interface_addr)) { | |
1138 | wpa_printf(MSG_DEBUG, "P2P: Pending virtual address " | |
1139 | "unknown?! ifname='%s'", | |
1140 | wpa_s->pending_interface_name); | |
1141 | return -1; | |
1142 | } | |
1143 | return 0; | |
1144 | } | |
1145 | ||
2e5ba4b6 | 1146 | wpas_p2p_get_group_ifname(wpa_s, ifname, sizeof(ifname)); |
b22128ef JM |
1147 | force_ifname[0] = '\0'; |
1148 | ||
1149 | wpa_printf(MSG_DEBUG, "P2P: Create a new interface %s for the group", | |
1150 | ifname); | |
1151 | wpa_s->p2p_group_idx++; | |
1152 | ||
1153 | wpa_s->pending_interface_type = type; | |
1154 | if (wpa_drv_if_add(wpa_s, type, ifname, NULL, NULL, force_ifname, | |
e17a2477 | 1155 | wpa_s->pending_interface_addr, NULL) < 0) { |
b22128ef JM |
1156 | wpa_printf(MSG_ERROR, "P2P: Failed to create new group " |
1157 | "interface"); | |
1158 | return -1; | |
1159 | } | |
1160 | ||
1161 | if (force_ifname[0]) { | |
1162 | wpa_printf(MSG_DEBUG, "P2P: Driver forced interface name %s", | |
1163 | force_ifname); | |
1164 | os_strlcpy(wpa_s->pending_interface_name, force_ifname, | |
1165 | sizeof(wpa_s->pending_interface_name)); | |
1166 | } else | |
1167 | os_strlcpy(wpa_s->pending_interface_name, ifname, | |
1168 | sizeof(wpa_s->pending_interface_name)); | |
1169 | wpa_printf(MSG_DEBUG, "P2P: Created pending virtual interface %s addr " | |
1170 | MACSTR, wpa_s->pending_interface_name, | |
1171 | MAC2STR(wpa_s->pending_interface_addr)); | |
1172 | ||
1173 | return 0; | |
1174 | } | |
1175 | ||
1176 | ||
1177 | static void wpas_p2p_remove_pending_group_interface( | |
1178 | struct wpa_supplicant *wpa_s) | |
1179 | { | |
1180 | if (!wpa_s->pending_interface_name[0] || | |
1181 | is_zero_ether_addr(wpa_s->pending_interface_addr)) | |
1182 | return; /* No pending virtual interface */ | |
1183 | ||
1184 | wpa_printf(MSG_DEBUG, "P2P: Removing pending group interface %s", | |
1185 | wpa_s->pending_interface_name); | |
1186 | wpa_drv_if_remove(wpa_s, wpa_s->pending_interface_type, | |
1187 | wpa_s->pending_interface_name); | |
1188 | os_memset(wpa_s->pending_interface_addr, 0, ETH_ALEN); | |
1189 | wpa_s->pending_interface_name[0] = '\0'; | |
1190 | } | |
1191 | ||
1192 | ||
1193 | static struct wpa_supplicant * | |
1194 | wpas_p2p_init_group_interface(struct wpa_supplicant *wpa_s, int go) | |
1195 | { | |
1196 | struct wpa_interface iface; | |
1197 | struct wpa_supplicant *group_wpa_s; | |
1198 | ||
1199 | if (!wpa_s->pending_interface_name[0]) { | |
1200 | wpa_printf(MSG_ERROR, "P2P: No pending group interface"); | |
d75e8806 JM |
1201 | if (!wpas_p2p_create_iface(wpa_s)) |
1202 | return NULL; | |
1203 | /* | |
1204 | * Something has forced us to remove the pending interface; try | |
1205 | * to create a new one and hope for the best that we will get | |
1206 | * the same local address. | |
1207 | */ | |
1208 | if (wpas_p2p_add_group_interface(wpa_s, go ? WPA_IF_P2P_GO : | |
1209 | WPA_IF_P2P_CLIENT) < 0) | |
1210 | return NULL; | |
b22128ef JM |
1211 | } |
1212 | ||
1213 | os_memset(&iface, 0, sizeof(iface)); | |
1214 | iface.ifname = wpa_s->pending_interface_name; | |
1215 | iface.driver = wpa_s->driver->name; | |
78f79fe5 JM |
1216 | if (wpa_s->conf->ctrl_interface == NULL && |
1217 | wpa_s->parent != wpa_s && | |
1218 | wpa_s->p2p_mgmt && | |
1219 | (wpa_s->drv_flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)) | |
1220 | iface.ctrl_interface = wpa_s->parent->conf->ctrl_interface; | |
1221 | else | |
1222 | iface.ctrl_interface = wpa_s->conf->ctrl_interface; | |
b22128ef JM |
1223 | iface.driver_param = wpa_s->conf->driver_param; |
1224 | group_wpa_s = wpa_supplicant_add_iface(wpa_s->global, &iface); | |
1225 | if (group_wpa_s == NULL) { | |
1226 | wpa_printf(MSG_ERROR, "P2P: Failed to create new " | |
1227 | "wpa_supplicant interface"); | |
1228 | return NULL; | |
1229 | } | |
1230 | wpa_s->pending_interface_name[0] = '\0'; | |
1231 | group_wpa_s->parent = wpa_s; | |
1232 | group_wpa_s->p2p_group_interface = go ? P2P_GROUP_INTERFACE_GO : | |
1233 | P2P_GROUP_INTERFACE_CLIENT; | |
1234 | wpa_s->global->p2p_group_formation = group_wpa_s; | |
1235 | ||
1236 | wpas_p2p_clone_config(group_wpa_s, wpa_s); | |
1237 | ||
1238 | return group_wpa_s; | |
1239 | } | |
1240 | ||
1241 | ||
1242 | static void wpas_p2p_group_formation_timeout(void *eloop_ctx, | |
1243 | void *timeout_ctx) | |
1244 | { | |
1245 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
1246 | wpa_printf(MSG_DEBUG, "P2P: Group Formation timed out"); | |
1075b295 JM |
1247 | wpas_p2p_group_formation_failed(wpa_s); |
1248 | } | |
1249 | ||
1250 | ||
1251 | void wpas_p2p_group_formation_failed(struct wpa_supplicant *wpa_s) | |
1252 | { | |
1253 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, | |
1254 | wpa_s->parent, NULL); | |
b22128ef JM |
1255 | if (wpa_s->global->p2p) |
1256 | p2p_group_formation_failed(wpa_s->global->p2p); | |
3ac17eba JM |
1257 | else if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
1258 | wpa_drv_p2p_group_formation_failed(wpa_s); | |
b22128ef JM |
1259 | wpas_group_formation_completed(wpa_s, 0); |
1260 | } | |
1261 | ||
1262 | ||
b2b688d1 VKE |
1263 | void wpas_p2p_ap_setup_failed(struct wpa_supplicant *wpa_s) |
1264 | { | |
1265 | if (wpa_s->global->p2p_group_formation != wpa_s) | |
1266 | return; | |
1267 | /* Speed up group formation timeout since this cannot succeed */ | |
1268 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, | |
1269 | wpa_s->parent, NULL); | |
1270 | eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout, | |
1271 | wpa_s->parent, NULL); | |
1272 | } | |
1273 | ||
1274 | ||
b22128ef JM |
1275 | void wpas_go_neg_completed(void *ctx, struct p2p_go_neg_results *res) |
1276 | { | |
1277 | struct wpa_supplicant *wpa_s = ctx; | |
1278 | ||
8eada5ca | 1279 | if (wpa_s->off_channel_freq || wpa_s->roc_waiting_drv_freq) { |
b22128ef JM |
1280 | wpa_drv_cancel_remain_on_channel(wpa_s); |
1281 | wpa_s->off_channel_freq = 0; | |
07a30a66 | 1282 | wpa_s->roc_waiting_drv_freq = 0; |
b22128ef JM |
1283 | } |
1284 | ||
1285 | if (res->status) { | |
92c4465b JM |
1286 | wpa_msg_global(wpa_s, MSG_INFO, |
1287 | P2P_EVENT_GO_NEG_FAILURE "status=%d", | |
1288 | res->status); | |
e5a359cf | 1289 | wpas_notify_p2p_go_neg_completed(wpa_s, res); |
b22128ef JM |
1290 | wpas_p2p_remove_pending_group_interface(wpa_s); |
1291 | return; | |
1292 | } | |
1293 | ||
e2308e4b RM |
1294 | if (wpa_s->p2p_go_ht40) |
1295 | res->ht40 = 1; | |
1296 | ||
8d660e04 JM |
1297 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_GO_NEG_SUCCESS "role=%s " |
1298 | "freq=%d ht40=%d peer_dev=" MACSTR " peer_iface=" MACSTR | |
1299 | " wps_method=%s", | |
1300 | res->role_go ? "GO" : "client", res->freq, res->ht40, | |
1301 | MAC2STR(res->peer_device_addr), | |
1302 | MAC2STR(res->peer_interface_addr), | |
1303 | p2p_wps_method_text(res->wps_method)); | |
e5a359cf | 1304 | wpas_notify_p2p_go_neg_completed(wpa_s, res); |
b22128ef | 1305 | |
23c84252 JM |
1306 | if (res->role_go && wpa_s->p2p_persistent_id >= 0) { |
1307 | struct wpa_ssid *ssid; | |
1308 | ssid = wpa_config_get_network(wpa_s->conf, | |
1309 | wpa_s->p2p_persistent_id); | |
1310 | if (ssid && ssid->disabled == 2 && | |
1311 | ssid->mode == WPAS_MODE_P2P_GO && ssid->passphrase) { | |
1312 | size_t len = os_strlen(ssid->passphrase); | |
1313 | wpa_printf(MSG_DEBUG, "P2P: Override passphrase based " | |
1314 | "on requested persistent group"); | |
1315 | os_memcpy(res->passphrase, ssid->passphrase, len); | |
1316 | res->passphrase[len] = '\0'; | |
1317 | } | |
1318 | } | |
1319 | ||
b22128ef JM |
1320 | if (wpa_s->create_p2p_iface) { |
1321 | struct wpa_supplicant *group_wpa_s = | |
1322 | wpas_p2p_init_group_interface(wpa_s, res->role_go); | |
1323 | if (group_wpa_s == NULL) { | |
1324 | wpas_p2p_remove_pending_group_interface(wpa_s); | |
1325 | return; | |
1326 | } | |
3c5126a4 | 1327 | if (group_wpa_s != wpa_s) { |
b22128ef JM |
1328 | os_memcpy(group_wpa_s->p2p_pin, wpa_s->p2p_pin, |
1329 | sizeof(group_wpa_s->p2p_pin)); | |
3c5126a4 JM |
1330 | group_wpa_s->p2p_wps_method = wpa_s->p2p_wps_method; |
1331 | } | |
b22128ef JM |
1332 | os_memset(wpa_s->pending_interface_addr, 0, ETH_ALEN); |
1333 | wpa_s->pending_interface_name[0] = '\0'; | |
1334 | group_wpa_s->p2p_in_provisioning = 1; | |
1335 | ||
1336 | if (res->role_go) | |
1337 | wpas_start_wps_go(group_wpa_s, res, 1); | |
1338 | else | |
1339 | wpas_start_wps_enrollee(group_wpa_s, res); | |
1340 | } else { | |
1341 | wpa_s->p2p_in_provisioning = 1; | |
1342 | wpa_s->global->p2p_group_formation = wpa_s; | |
1343 | ||
1344 | if (res->role_go) | |
1345 | wpas_start_wps_go(wpa_s, res, 1); | |
1346 | else | |
1347 | wpas_start_wps_enrollee(ctx, res); | |
1348 | } | |
1349 | ||
1350 | wpa_s->p2p_long_listen = 0; | |
1351 | eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL); | |
1352 | ||
1353 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL); | |
ae3e3421 JM |
1354 | eloop_register_timeout(15 + res->peer_config_timeout / 100, |
1355 | (res->peer_config_timeout % 100) * 10000, | |
1356 | wpas_p2p_group_formation_timeout, wpa_s, NULL); | |
b22128ef JM |
1357 | } |
1358 | ||
1359 | ||
3dfda83d | 1360 | void wpas_go_neg_req_rx(void *ctx, const u8 *src, u16 dev_passwd_id) |
b22128ef JM |
1361 | { |
1362 | struct wpa_supplicant *wpa_s = ctx; | |
92c4465b JM |
1363 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_GO_NEG_REQUEST MACSTR |
1364 | " dev_passwd_id=%u", MAC2STR(src), dev_passwd_id); | |
32d1bce0 KRK |
1365 | |
1366 | wpas_notify_p2p_go_neg_req(wpa_s, src, dev_passwd_id); | |
b22128ef JM |
1367 | } |
1368 | ||
1369 | ||
c5db8e51 | 1370 | void wpas_dev_found(void *ctx, const u8 *addr, |
8fd7dc1b JB |
1371 | const struct p2p_peer_info *info, |
1372 | int new_device) | |
b22128ef | 1373 | { |
5506d184 | 1374 | #ifndef CONFIG_NO_STDOUT_DEBUG |
b22128ef JM |
1375 | struct wpa_supplicant *wpa_s = ctx; |
1376 | char devtype[WPS_DEV_TYPE_BUFSIZE]; | |
c5db8e51 | 1377 | |
92c4465b JM |
1378 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_DEVICE_FOUND MACSTR |
1379 | " p2p_dev_addr=" MACSTR | |
1380 | " pri_dev_type=%s name='%s' config_methods=0x%x " | |
1381 | "dev_capab=0x%x group_capab=0x%x", | |
1382 | MAC2STR(addr), MAC2STR(info->p2p_device_addr), | |
1383 | wps_dev_type_bin2str(info->pri_dev_type, devtype, | |
1384 | sizeof(devtype)), | |
c5db8e51 KRK |
1385 | info->device_name, info->config_methods, |
1386 | info->dev_capab, info->group_capab); | |
5506d184 | 1387 | #endif /* CONFIG_NO_STDOUT_DEBUG */ |
d642d2d2 JB |
1388 | |
1389 | wpas_notify_p2p_device_found(ctx, info->p2p_device_addr, new_device); | |
b22128ef JM |
1390 | } |
1391 | ||
1392 | ||
56eeb8f2 JB |
1393 | static void wpas_dev_lost(void *ctx, const u8 *dev_addr) |
1394 | { | |
1395 | struct wpa_supplicant *wpa_s = ctx; | |
1396 | ||
92c4465b JM |
1397 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_DEVICE_LOST |
1398 | "p2p_dev_addr=" MACSTR, MAC2STR(dev_addr)); | |
3074d8f1 | 1399 | |
56eeb8f2 JB |
1400 | wpas_notify_p2p_device_lost(wpa_s, dev_addr); |
1401 | } | |
1402 | ||
1403 | ||
710ae9ac JM |
1404 | static void wpas_find_stopped(void *ctx) |
1405 | { | |
1406 | struct wpa_supplicant *wpa_s = ctx; | |
92c4465b | 1407 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_FIND_STOPPED); |
710ae9ac JM |
1408 | } |
1409 | ||
1410 | ||
b22128ef JM |
1411 | static int wpas_start_listen(void *ctx, unsigned int freq, |
1412 | unsigned int duration, | |
1413 | const struct wpabuf *probe_resp_ie) | |
1414 | { | |
1415 | struct wpa_supplicant *wpa_s = ctx; | |
1416 | ||
0e2e565a | 1417 | wpa_drv_set_ap_wps_ie(wpa_s, NULL, probe_resp_ie, NULL); |
b22128ef JM |
1418 | |
1419 | if (wpa_drv_probe_req_report(wpa_s, 1) < 0) { | |
1420 | wpa_printf(MSG_DEBUG, "P2P: Failed to request the driver to " | |
1421 | "report received Probe Request frames"); | |
1422 | return -1; | |
1423 | } | |
1424 | ||
1425 | wpa_s->pending_listen_freq = freq; | |
1426 | wpa_s->pending_listen_duration = duration; | |
1427 | ||
1428 | if (wpa_drv_remain_on_channel(wpa_s, freq, duration) < 0) { | |
1429 | wpa_printf(MSG_DEBUG, "P2P: Failed to request the driver " | |
1430 | "to remain on channel (%u MHz) for Listen " | |
1431 | "state", freq); | |
1432 | wpa_s->pending_listen_freq = 0; | |
1433 | return -1; | |
1434 | } | |
09d660b9 | 1435 | wpa_s->off_channel_freq = 0; |
07a30a66 | 1436 | wpa_s->roc_waiting_drv_freq = freq; |
b22128ef JM |
1437 | |
1438 | return 0; | |
1439 | } | |
1440 | ||
1441 | ||
1442 | static void wpas_stop_listen(void *ctx) | |
1443 | { | |
1444 | struct wpa_supplicant *wpa_s = ctx; | |
6cb22d2f | 1445 | if (wpa_s->off_channel_freq || wpa_s->roc_waiting_drv_freq) { |
b22128ef JM |
1446 | wpa_drv_cancel_remain_on_channel(wpa_s); |
1447 | wpa_s->off_channel_freq = 0; | |
07a30a66 | 1448 | wpa_s->roc_waiting_drv_freq = 0; |
b22128ef | 1449 | } |
839b33ad | 1450 | wpa_drv_set_ap_wps_ie(wpa_s, NULL, NULL, NULL); |
b22128ef JM |
1451 | wpa_drv_probe_req_report(wpa_s, 0); |
1452 | } | |
1453 | ||
1454 | ||
1455 | static int wpas_send_probe_resp(void *ctx, const struct wpabuf *buf) | |
1456 | { | |
1457 | struct wpa_supplicant *wpa_s = ctx; | |
9dbf53fe | 1458 | return wpa_drv_send_mlme(wpa_s, wpabuf_head(buf), wpabuf_len(buf), 1); |
b22128ef JM |
1459 | } |
1460 | ||
1461 | ||
8c9ad085 JM |
1462 | /* |
1463 | * DNS Header section is used only to calculate compression pointers, so the | |
1464 | * contents of this data does not matter, but the length needs to be reserved | |
1465 | * in the virtual packet. | |
1466 | */ | |
1467 | #define DNS_HEADER_LEN 12 | |
1468 | ||
1469 | /* | |
1470 | * 27-octet in-memory packet from P2P specification containing two implied | |
1471 | * queries for _tcp.lcoal. PTR IN and _udp.local. PTR IN | |
1472 | */ | |
1473 | #define P2P_SD_IN_MEMORY_LEN 27 | |
1474 | ||
1475 | static int p2p_sd_dns_uncompress_label(char **upos, char *uend, u8 *start, | |
1476 | u8 **spos, const u8 *end) | |
1477 | { | |
1478 | while (*spos < end) { | |
1479 | u8 val = ((*spos)[0] & 0xc0) >> 6; | |
1480 | int len; | |
1481 | ||
1482 | if (val == 1 || val == 2) { | |
1483 | /* These are reserved values in RFC 1035 */ | |
1484 | wpa_printf(MSG_DEBUG, "P2P: Invalid domain name " | |
1485 | "sequence starting with 0x%x", val); | |
1486 | return -1; | |
1487 | } | |
1488 | ||
1489 | if (val == 3) { | |
1490 | u16 offset; | |
1491 | u8 *spos_tmp; | |
1492 | ||
1493 | /* Offset */ | |
1494 | if (*spos + 2 > end) { | |
1495 | wpa_printf(MSG_DEBUG, "P2P: No room for full " | |
1496 | "DNS offset field"); | |
1497 | return -1; | |
1498 | } | |
1499 | ||
1500 | offset = (((*spos)[0] & 0x3f) << 8) | (*spos)[1]; | |
1501 | if (offset >= *spos - start) { | |
1502 | wpa_printf(MSG_DEBUG, "P2P: Invalid DNS " | |
1503 | "pointer offset %u", offset); | |
1504 | return -1; | |
1505 | } | |
1506 | ||
1507 | (*spos) += 2; | |
1508 | spos_tmp = start + offset; | |
1509 | return p2p_sd_dns_uncompress_label(upos, uend, start, | |
1510 | &spos_tmp, | |
1511 | *spos - 2); | |
1512 | } | |
1513 | ||
1514 | /* Label */ | |
1515 | len = (*spos)[0] & 0x3f; | |
1516 | if (len == 0) | |
1517 | return 0; | |
1518 | ||
1519 | (*spos)++; | |
1520 | if (*spos + len > end) { | |
1521 | wpa_printf(MSG_DEBUG, "P2P: Invalid domain name " | |
1522 | "sequence - no room for label with length " | |
1523 | "%u", len); | |
1524 | return -1; | |
1525 | } | |
1526 | ||
1527 | if (*upos + len + 2 > uend) | |
1528 | return -2; | |
1529 | ||
1530 | os_memcpy(*upos, *spos, len); | |
1531 | *spos += len; | |
1532 | *upos += len; | |
1533 | (*upos)[0] = '.'; | |
1534 | (*upos)++; | |
1535 | (*upos)[0] = '\0'; | |
1536 | } | |
1537 | ||
1538 | return 0; | |
1539 | } | |
1540 | ||
1541 | ||
1542 | /* Uncompress domain names per RFC 1035 using the P2P SD in-memory packet. | |
1543 | * Returns -1 on parsing error (invalid input sequence), -2 if output buffer is | |
1544 | * not large enough */ | |
1545 | static int p2p_sd_dns_uncompress(char *buf, size_t buf_len, const u8 *msg, | |
1546 | size_t msg_len, size_t offset) | |
1547 | { | |
1548 | /* 27-octet in-memory packet from P2P specification */ | |
1549 | const char *prefix = "\x04_tcp\x05local\x00\x00\x0C\x00\x01" | |
1550 | "\x04_udp\xC0\x11\x00\x0C\x00\x01"; | |
1551 | u8 *tmp, *end, *spos; | |
1552 | char *upos, *uend; | |
1553 | int ret = 0; | |
1554 | ||
1555 | if (buf_len < 2) | |
1556 | return -1; | |
1557 | if (offset > msg_len) | |
1558 | return -1; | |
1559 | ||
1560 | tmp = os_malloc(DNS_HEADER_LEN + P2P_SD_IN_MEMORY_LEN + msg_len); | |
1561 | if (tmp == NULL) | |
1562 | return -1; | |
1563 | spos = tmp + DNS_HEADER_LEN + P2P_SD_IN_MEMORY_LEN; | |
1564 | end = spos + msg_len; | |
1565 | spos += offset; | |
1566 | ||
1567 | os_memset(tmp, 0, DNS_HEADER_LEN); | |
1568 | os_memcpy(tmp + DNS_HEADER_LEN, prefix, P2P_SD_IN_MEMORY_LEN); | |
1569 | os_memcpy(tmp + DNS_HEADER_LEN + P2P_SD_IN_MEMORY_LEN, msg, msg_len); | |
1570 | ||
1571 | upos = buf; | |
1572 | uend = buf + buf_len; | |
1573 | ||
1574 | ret = p2p_sd_dns_uncompress_label(&upos, uend, tmp, &spos, end); | |
1575 | if (ret) { | |
1576 | os_free(tmp); | |
1577 | return ret; | |
1578 | } | |
1579 | ||
1580 | if (upos == buf) { | |
1581 | upos[0] = '.'; | |
1582 | upos[1] = '\0'; | |
1583 | } else if (upos[-1] == '.') | |
1584 | upos[-1] = '\0'; | |
1585 | ||
1586 | os_free(tmp); | |
1587 | return 0; | |
1588 | } | |
1589 | ||
1590 | ||
b22128ef JM |
1591 | static struct p2p_srv_bonjour * |
1592 | wpas_p2p_service_get_bonjour(struct wpa_supplicant *wpa_s, | |
1593 | const struct wpabuf *query) | |
1594 | { | |
1595 | struct p2p_srv_bonjour *bsrv; | |
1596 | size_t len; | |
1597 | ||
1598 | len = wpabuf_len(query); | |
1599 | dl_list_for_each(bsrv, &wpa_s->global->p2p_srv_bonjour, | |
1600 | struct p2p_srv_bonjour, list) { | |
1601 | if (len == wpabuf_len(bsrv->query) && | |
1602 | os_memcmp(wpabuf_head(query), wpabuf_head(bsrv->query), | |
1603 | len) == 0) | |
1604 | return bsrv; | |
1605 | } | |
1606 | return NULL; | |
1607 | } | |
1608 | ||
1609 | ||
1610 | static struct p2p_srv_upnp * | |
1611 | wpas_p2p_service_get_upnp(struct wpa_supplicant *wpa_s, u8 version, | |
1612 | const char *service) | |
1613 | { | |
1614 | struct p2p_srv_upnp *usrv; | |
1615 | ||
1616 | dl_list_for_each(usrv, &wpa_s->global->p2p_srv_upnp, | |
1617 | struct p2p_srv_upnp, list) { | |
1618 | if (version == usrv->version && | |
1619 | os_strcmp(service, usrv->service) == 0) | |
1620 | return usrv; | |
1621 | } | |
1622 | return NULL; | |
1623 | } | |
1624 | ||
1625 | ||
1626 | static void wpas_sd_add_proto_not_avail(struct wpabuf *resp, u8 srv_proto, | |
1627 | u8 srv_trans_id) | |
1628 | { | |
1629 | u8 *len_pos; | |
1630 | ||
1631 | if (wpabuf_tailroom(resp) < 5) | |
1632 | return; | |
1633 | ||
1634 | /* Length (to be filled) */ | |
1635 | len_pos = wpabuf_put(resp, 2); | |
1636 | wpabuf_put_u8(resp, srv_proto); | |
1637 | wpabuf_put_u8(resp, srv_trans_id); | |
1638 | /* Status Code */ | |
1639 | wpabuf_put_u8(resp, P2P_SD_PROTO_NOT_AVAILABLE); | |
1640 | /* Response Data: empty */ | |
1641 | WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2); | |
1642 | } | |
1643 | ||
1644 | ||
1645 | static void wpas_sd_all_bonjour(struct wpa_supplicant *wpa_s, | |
1646 | struct wpabuf *resp, u8 srv_trans_id) | |
1647 | { | |
1648 | struct p2p_srv_bonjour *bsrv; | |
1649 | u8 *len_pos; | |
1650 | ||
1651 | wpa_printf(MSG_DEBUG, "P2P: SD Request for all Bonjour services"); | |
1652 | ||
1653 | if (dl_list_empty(&wpa_s->global->p2p_srv_bonjour)) { | |
1654 | wpa_printf(MSG_DEBUG, "P2P: Bonjour protocol not available"); | |
1655 | return; | |
1656 | } | |
1657 | ||
1658 | dl_list_for_each(bsrv, &wpa_s->global->p2p_srv_bonjour, | |
1659 | struct p2p_srv_bonjour, list) { | |
1660 | if (wpabuf_tailroom(resp) < | |
1661 | 5 + wpabuf_len(bsrv->query) + wpabuf_len(bsrv->resp)) | |
1662 | return; | |
1663 | /* Length (to be filled) */ | |
1664 | len_pos = wpabuf_put(resp, 2); | |
1665 | wpabuf_put_u8(resp, P2P_SERV_BONJOUR); | |
1666 | wpabuf_put_u8(resp, srv_trans_id); | |
1667 | /* Status Code */ | |
1668 | wpabuf_put_u8(resp, P2P_SD_SUCCESS); | |
1669 | wpa_hexdump_ascii(MSG_DEBUG, "P2P: Matching Bonjour service", | |
1670 | wpabuf_head(bsrv->resp), | |
1671 | wpabuf_len(bsrv->resp)); | |
1672 | /* Response Data */ | |
1673 | wpabuf_put_buf(resp, bsrv->query); /* Key */ | |
1674 | wpabuf_put_buf(resp, bsrv->resp); /* Value */ | |
1675 | WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - | |
1676 | 2); | |
1677 | } | |
1678 | } | |
1679 | ||
1680 | ||
8c9ad085 JM |
1681 | static int match_bonjour_query(struct p2p_srv_bonjour *bsrv, const u8 *query, |
1682 | size_t query_len) | |
1683 | { | |
1684 | char str_rx[256], str_srv[256]; | |
1685 | ||
1686 | if (query_len < 3 || wpabuf_len(bsrv->query) < 3) | |
1687 | return 0; /* Too short to include DNS Type and Version */ | |
1688 | if (os_memcmp(query + query_len - 3, | |
1689 | wpabuf_head_u8(bsrv->query) + wpabuf_len(bsrv->query) - 3, | |
1690 | 3) != 0) | |
1691 | return 0; /* Mismatch in DNS Type or Version */ | |
1692 | if (query_len == wpabuf_len(bsrv->query) && | |
1693 | os_memcmp(query, wpabuf_head(bsrv->query), query_len - 3) == 0) | |
1694 | return 1; /* Binary match */ | |
1695 | ||
1696 | if (p2p_sd_dns_uncompress(str_rx, sizeof(str_rx), query, query_len - 3, | |
1697 | 0)) | |
1698 | return 0; /* Failed to uncompress query */ | |
1699 | if (p2p_sd_dns_uncompress(str_srv, sizeof(str_srv), | |
1700 | wpabuf_head(bsrv->query), | |
1701 | wpabuf_len(bsrv->query) - 3, 0)) | |
1702 | return 0; /* Failed to uncompress service */ | |
1703 | ||
1704 | return os_strcmp(str_rx, str_srv) == 0; | |
1705 | } | |
1706 | ||
1707 | ||
b22128ef JM |
1708 | static void wpas_sd_req_bonjour(struct wpa_supplicant *wpa_s, |
1709 | struct wpabuf *resp, u8 srv_trans_id, | |
1710 | const u8 *query, size_t query_len) | |
1711 | { | |
1712 | struct p2p_srv_bonjour *bsrv; | |
b22128ef | 1713 | u8 *len_pos; |
560f8bda | 1714 | int matches = 0; |
b22128ef JM |
1715 | |
1716 | wpa_hexdump_ascii(MSG_DEBUG, "P2P: SD Request for Bonjour", | |
1717 | query, query_len); | |
1718 | if (dl_list_empty(&wpa_s->global->p2p_srv_bonjour)) { | |
1719 | wpa_printf(MSG_DEBUG, "P2P: Bonjour protocol not available"); | |
1720 | wpas_sd_add_proto_not_avail(resp, P2P_SERV_BONJOUR, | |
1721 | srv_trans_id); | |
1722 | return; | |
1723 | } | |
1724 | ||
1725 | if (query_len == 0) { | |
1726 | wpas_sd_all_bonjour(wpa_s, resp, srv_trans_id); | |
1727 | return; | |
1728 | } | |
1729 | ||
560f8bda JM |
1730 | dl_list_for_each(bsrv, &wpa_s->global->p2p_srv_bonjour, |
1731 | struct p2p_srv_bonjour, list) { | |
8c9ad085 | 1732 | if (!match_bonjour_query(bsrv, query, query_len)) |
560f8bda JM |
1733 | continue; |
1734 | ||
1735 | if (wpabuf_tailroom(resp) < | |
1736 | 5 + query_len + wpabuf_len(bsrv->resp)) | |
1737 | return; | |
1738 | ||
1739 | matches++; | |
b22128ef | 1740 | |
560f8bda JM |
1741 | /* Length (to be filled) */ |
1742 | len_pos = wpabuf_put(resp, 2); | |
1743 | wpabuf_put_u8(resp, P2P_SERV_BONJOUR); | |
1744 | wpabuf_put_u8(resp, srv_trans_id); | |
1745 | ||
1746 | /* Status Code */ | |
1747 | wpabuf_put_u8(resp, P2P_SD_SUCCESS); | |
1748 | wpa_hexdump_ascii(MSG_DEBUG, "P2P: Matching Bonjour service", | |
1749 | wpabuf_head(bsrv->resp), | |
1750 | wpabuf_len(bsrv->resp)); | |
1751 | ||
1752 | /* Response Data */ | |
1753 | wpabuf_put_data(resp, query, query_len); /* Key */ | |
1754 | wpabuf_put_buf(resp, bsrv->resp); /* Value */ | |
1755 | ||
1756 | WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2); | |
1757 | } | |
1758 | ||
1759 | if (matches == 0) { | |
b22128ef JM |
1760 | wpa_printf(MSG_DEBUG, "P2P: Requested Bonjour service not " |
1761 | "available"); | |
560f8bda JM |
1762 | if (wpabuf_tailroom(resp) < 5) |
1763 | return; | |
1764 | ||
1765 | /* Length (to be filled) */ | |
1766 | len_pos = wpabuf_put(resp, 2); | |
1767 | wpabuf_put_u8(resp, P2P_SERV_BONJOUR); | |
1768 | wpabuf_put_u8(resp, srv_trans_id); | |
b22128ef JM |
1769 | |
1770 | /* Status Code */ | |
bf608cad | 1771 | wpabuf_put_u8(resp, P2P_SD_REQUESTED_INFO_NOT_AVAILABLE); |
b22128ef JM |
1772 | /* Response Data: empty */ |
1773 | WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - | |
1774 | 2); | |
b22128ef | 1775 | } |
b22128ef JM |
1776 | } |
1777 | ||
1778 | ||
1779 | static void wpas_sd_all_upnp(struct wpa_supplicant *wpa_s, | |
1780 | struct wpabuf *resp, u8 srv_trans_id) | |
1781 | { | |
1782 | struct p2p_srv_upnp *usrv; | |
1783 | u8 *len_pos; | |
1784 | ||
1785 | wpa_printf(MSG_DEBUG, "P2P: SD Request for all UPnP services"); | |
1786 | ||
1787 | if (dl_list_empty(&wpa_s->global->p2p_srv_upnp)) { | |
1788 | wpa_printf(MSG_DEBUG, "P2P: UPnP protocol not available"); | |
1789 | return; | |
1790 | } | |
1791 | ||
1792 | dl_list_for_each(usrv, &wpa_s->global->p2p_srv_upnp, | |
1793 | struct p2p_srv_upnp, list) { | |
1794 | if (wpabuf_tailroom(resp) < 5 + 1 + os_strlen(usrv->service)) | |
1795 | return; | |
1796 | ||
1797 | /* Length (to be filled) */ | |
1798 | len_pos = wpabuf_put(resp, 2); | |
1799 | wpabuf_put_u8(resp, P2P_SERV_UPNP); | |
1800 | wpabuf_put_u8(resp, srv_trans_id); | |
1801 | ||
1802 | /* Status Code */ | |
1803 | wpabuf_put_u8(resp, P2P_SD_SUCCESS); | |
1804 | /* Response Data */ | |
1805 | wpabuf_put_u8(resp, usrv->version); | |
1806 | wpa_printf(MSG_DEBUG, "P2P: Matching UPnP Service: %s", | |
1807 | usrv->service); | |
1808 | wpabuf_put_str(resp, usrv->service); | |
1809 | WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - | |
1810 | 2); | |
1811 | } | |
1812 | } | |
1813 | ||
1814 | ||
1815 | static void wpas_sd_req_upnp(struct wpa_supplicant *wpa_s, | |
1816 | struct wpabuf *resp, u8 srv_trans_id, | |
1817 | const u8 *query, size_t query_len) | |
1818 | { | |
1819 | struct p2p_srv_upnp *usrv; | |
1820 | u8 *len_pos; | |
1821 | u8 version; | |
1822 | char *str; | |
1823 | int count = 0; | |
1824 | ||
1825 | wpa_hexdump_ascii(MSG_DEBUG, "P2P: SD Request for UPnP", | |
1826 | query, query_len); | |
1827 | ||
1828 | if (dl_list_empty(&wpa_s->global->p2p_srv_upnp)) { | |
1829 | wpa_printf(MSG_DEBUG, "P2P: UPnP protocol not available"); | |
1830 | wpas_sd_add_proto_not_avail(resp, P2P_SERV_UPNP, | |
1831 | srv_trans_id); | |
1832 | return; | |
1833 | } | |
1834 | ||
1835 | if (query_len == 0) { | |
1836 | wpas_sd_all_upnp(wpa_s, resp, srv_trans_id); | |
1837 | return; | |
1838 | } | |
1839 | ||
b22128ef JM |
1840 | if (wpabuf_tailroom(resp) < 5) |
1841 | return; | |
1842 | ||
1843 | /* Length (to be filled) */ | |
1844 | len_pos = wpabuf_put(resp, 2); | |
1845 | wpabuf_put_u8(resp, P2P_SERV_UPNP); | |
1846 | wpabuf_put_u8(resp, srv_trans_id); | |
1847 | ||
79222cfa JM |
1848 | version = query[0]; |
1849 | str = os_malloc(query_len); | |
1850 | if (str == NULL) | |
1851 | return; | |
1852 | os_memcpy(str, query + 1, query_len - 1); | |
1853 | str[query_len - 1] = '\0'; | |
1854 | ||
b22128ef JM |
1855 | dl_list_for_each(usrv, &wpa_s->global->p2p_srv_upnp, |
1856 | struct p2p_srv_upnp, list) { | |
1857 | if (version != usrv->version) | |
1858 | continue; | |
1859 | ||
1860 | if (os_strcmp(str, "ssdp:all") != 0 && | |
1861 | os_strstr(usrv->service, str) == NULL) | |
1862 | continue; | |
1863 | ||
1864 | if (wpabuf_tailroom(resp) < 2) | |
1865 | break; | |
1866 | if (count == 0) { | |
1867 | /* Status Code */ | |
1868 | wpabuf_put_u8(resp, P2P_SD_SUCCESS); | |
1869 | /* Response Data */ | |
1870 | wpabuf_put_u8(resp, version); | |
1871 | } else | |
1872 | wpabuf_put_u8(resp, ','); | |
1873 | ||
1874 | count++; | |
1875 | ||
1876 | wpa_printf(MSG_DEBUG, "P2P: Matching UPnP Service: %s", | |
1877 | usrv->service); | |
1878 | if (wpabuf_tailroom(resp) < os_strlen(usrv->service)) | |
1879 | break; | |
1880 | wpabuf_put_str(resp, usrv->service); | |
1881 | } | |
714b8b53 | 1882 | os_free(str); |
b22128ef JM |
1883 | |
1884 | if (count == 0) { | |
1885 | wpa_printf(MSG_DEBUG, "P2P: Requested UPnP service not " | |
1886 | "available"); | |
1887 | /* Status Code */ | |
bf608cad | 1888 | wpabuf_put_u8(resp, P2P_SD_REQUESTED_INFO_NOT_AVAILABLE); |
b22128ef JM |
1889 | /* Response Data: empty */ |
1890 | } | |
1891 | ||
1892 | WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2); | |
1893 | } | |
1894 | ||
1895 | ||
6ffdc2f7 JM |
1896 | #ifdef CONFIG_WIFI_DISPLAY |
1897 | static void wpas_sd_req_wfd(struct wpa_supplicant *wpa_s, | |
1898 | struct wpabuf *resp, u8 srv_trans_id, | |
1899 | const u8 *query, size_t query_len) | |
1900 | { | |
1901 | const u8 *pos; | |
1902 | u8 role; | |
1903 | u8 *len_pos; | |
1904 | ||
1905 | wpa_hexdump(MSG_DEBUG, "P2P: SD Request for WFD", query, query_len); | |
1906 | ||
1907 | if (!wpa_s->global->wifi_display) { | |
1908 | wpa_printf(MSG_DEBUG, "P2P: WFD protocol not available"); | |
1909 | wpas_sd_add_proto_not_avail(resp, P2P_SERV_WIFI_DISPLAY, | |
1910 | srv_trans_id); | |
1911 | return; | |
1912 | } | |
1913 | ||
1914 | if (query_len < 1) { | |
1915 | wpa_printf(MSG_DEBUG, "P2P: Missing WFD Requested Device " | |
1916 | "Role"); | |
1917 | return; | |
1918 | } | |
1919 | ||
1920 | if (wpabuf_tailroom(resp) < 5) | |
1921 | return; | |
1922 | ||
1923 | pos = query; | |
1924 | role = *pos++; | |
1925 | wpa_printf(MSG_DEBUG, "P2P: WSD for device role 0x%x", role); | |
1926 | ||
1927 | /* TODO: role specific handling */ | |
1928 | ||
1929 | /* Length (to be filled) */ | |
1930 | len_pos = wpabuf_put(resp, 2); | |
1931 | wpabuf_put_u8(resp, P2P_SERV_WIFI_DISPLAY); | |
1932 | wpabuf_put_u8(resp, srv_trans_id); | |
1933 | wpabuf_put_u8(resp, P2P_SD_SUCCESS); /* Status Code */ | |
1934 | ||
1935 | while (pos < query + query_len) { | |
1936 | if (*pos < MAX_WFD_SUBELEMS && | |
1937 | wpa_s->global->wfd_subelem[*pos] && | |
1938 | wpabuf_tailroom(resp) >= | |
1939 | wpabuf_len(wpa_s->global->wfd_subelem[*pos])) { | |
1940 | wpa_printf(MSG_DEBUG, "P2P: Add WSD response " | |
1941 | "subelement %u", *pos); | |
1942 | wpabuf_put_buf(resp, wpa_s->global->wfd_subelem[*pos]); | |
1943 | } | |
1944 | pos++; | |
1945 | } | |
1946 | ||
1947 | WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2); | |
1948 | } | |
1949 | #endif /* CONFIG_WIFI_DISPLAY */ | |
1950 | ||
1951 | ||
b22128ef JM |
1952 | void wpas_sd_request(void *ctx, int freq, const u8 *sa, u8 dialog_token, |
1953 | u16 update_indic, const u8 *tlvs, size_t tlvs_len) | |
1954 | { | |
1955 | struct wpa_supplicant *wpa_s = ctx; | |
1956 | const u8 *pos = tlvs; | |
1957 | const u8 *end = tlvs + tlvs_len; | |
1958 | const u8 *tlv_end; | |
1959 | u16 slen; | |
1960 | struct wpabuf *resp; | |
1961 | u8 srv_proto, srv_trans_id; | |
1962 | size_t buf_len; | |
1963 | char *buf; | |
1964 | ||
1965 | wpa_hexdump(MSG_MSGDUMP, "P2P: Service Discovery Request TLVs", | |
1966 | tlvs, tlvs_len); | |
1967 | buf_len = 2 * tlvs_len + 1; | |
1968 | buf = os_malloc(buf_len); | |
1969 | if (buf) { | |
1970 | wpa_snprintf_hex(buf, buf_len, tlvs, tlvs_len); | |
1971 | wpa_msg_ctrl(wpa_s, MSG_INFO, P2P_EVENT_SERV_DISC_REQ "%d " | |
1972 | MACSTR " %u %u %s", | |
1973 | freq, MAC2STR(sa), dialog_token, update_indic, | |
1974 | buf); | |
1975 | os_free(buf); | |
1976 | } | |
1977 | ||
3b655312 | 1978 | if (wpa_s->p2p_sd_over_ctrl_iface) { |
1979 | wpas_notify_p2p_sd_request(wpa_s, freq, sa, dialog_token, | |
1980 | update_indic, tlvs, tlvs_len); | |
b22128ef | 1981 | return; /* to be processed by an external program */ |
3b655312 | 1982 | } |
b22128ef JM |
1983 | |
1984 | resp = wpabuf_alloc(10000); | |
1985 | if (resp == NULL) | |
1986 | return; | |
1987 | ||
1988 | while (pos + 1 < end) { | |
1989 | wpa_printf(MSG_DEBUG, "P2P: Service Request TLV"); | |
1990 | slen = WPA_GET_LE16(pos); | |
1991 | pos += 2; | |
1992 | if (pos + slen > end || slen < 2) { | |
1993 | wpa_printf(MSG_DEBUG, "P2P: Unexpected Query Data " | |
1994 | "length"); | |
1995 | wpabuf_free(resp); | |
1996 | return; | |
1997 | } | |
1998 | tlv_end = pos + slen; | |
1999 | ||
2000 | srv_proto = *pos++; | |
2001 | wpa_printf(MSG_DEBUG, "P2P: Service Protocol Type %u", | |
2002 | srv_proto); | |
2003 | srv_trans_id = *pos++; | |
2004 | wpa_printf(MSG_DEBUG, "P2P: Service Transaction ID %u", | |
2005 | srv_trans_id); | |
2006 | ||
2007 | wpa_hexdump(MSG_MSGDUMP, "P2P: Query Data", | |
2008 | pos, tlv_end - pos); | |
2009 | ||
6e6963ea JM |
2010 | |
2011 | if (wpa_s->force_long_sd) { | |
2012 | wpa_printf(MSG_DEBUG, "P2P: SD test - force long " | |
2013 | "response"); | |
2014 | wpas_sd_all_bonjour(wpa_s, resp, srv_trans_id); | |
2015 | wpas_sd_all_upnp(wpa_s, resp, srv_trans_id); | |
2016 | goto done; | |
2017 | } | |
2018 | ||
b22128ef JM |
2019 | switch (srv_proto) { |
2020 | case P2P_SERV_ALL_SERVICES: | |
2021 | wpa_printf(MSG_DEBUG, "P2P: Service Discovery Request " | |
2022 | "for all services"); | |
2023 | if (dl_list_empty(&wpa_s->global->p2p_srv_upnp) && | |
2024 | dl_list_empty(&wpa_s->global->p2p_srv_bonjour)) { | |
2025 | wpa_printf(MSG_DEBUG, "P2P: No service " | |
2026 | "discovery protocols available"); | |
2027 | wpas_sd_add_proto_not_avail( | |
2028 | resp, P2P_SERV_ALL_SERVICES, | |
2029 | srv_trans_id); | |
2030 | break; | |
2031 | } | |
2032 | wpas_sd_all_bonjour(wpa_s, resp, srv_trans_id); | |
2033 | wpas_sd_all_upnp(wpa_s, resp, srv_trans_id); | |
2034 | break; | |
2035 | case P2P_SERV_BONJOUR: | |
2036 | wpas_sd_req_bonjour(wpa_s, resp, srv_trans_id, | |
2037 | pos, tlv_end - pos); | |
2038 | break; | |
2039 | case P2P_SERV_UPNP: | |
2040 | wpas_sd_req_upnp(wpa_s, resp, srv_trans_id, | |
2041 | pos, tlv_end - pos); | |
2042 | break; | |
6ffdc2f7 JM |
2043 | #ifdef CONFIG_WIFI_DISPLAY |
2044 | case P2P_SERV_WIFI_DISPLAY: | |
2045 | wpas_sd_req_wfd(wpa_s, resp, srv_trans_id, | |
2046 | pos, tlv_end - pos); | |
2047 | break; | |
2048 | #endif /* CONFIG_WIFI_DISPLAY */ | |
b22128ef JM |
2049 | default: |
2050 | wpa_printf(MSG_DEBUG, "P2P: Unavailable service " | |
2051 | "protocol %u", srv_proto); | |
2052 | wpas_sd_add_proto_not_avail(resp, srv_proto, | |
2053 | srv_trans_id); | |
2054 | break; | |
2055 | } | |
2056 | ||
2057 | pos = tlv_end; | |
2058 | } | |
2059 | ||
6e6963ea | 2060 | done: |
e1653cac KRK |
2061 | wpas_notify_p2p_sd_request(wpa_s, freq, sa, dialog_token, |
2062 | update_indic, tlvs, tlvs_len); | |
2063 | ||
b22128ef JM |
2064 | wpas_p2p_sd_response(wpa_s, freq, sa, dialog_token, resp); |
2065 | ||
2066 | wpabuf_free(resp); | |
2067 | } | |
2068 | ||
2069 | ||
2070 | void wpas_sd_response(void *ctx, const u8 *sa, u16 update_indic, | |
2071 | const u8 *tlvs, size_t tlvs_len) | |
2072 | { | |
2073 | struct wpa_supplicant *wpa_s = ctx; | |
2074 | const u8 *pos = tlvs; | |
2075 | const u8 *end = tlvs + tlvs_len; | |
2076 | const u8 *tlv_end; | |
2077 | u16 slen; | |
2078 | size_t buf_len; | |
2079 | char *buf; | |
2080 | ||
2081 | wpa_hexdump(MSG_MSGDUMP, "P2P: Service Discovery Response TLVs", | |
2082 | tlvs, tlvs_len); | |
18708aad JM |
2083 | if (tlvs_len > 1500) { |
2084 | /* TODO: better way for handling this */ | |
2085 | wpa_msg_ctrl(wpa_s, MSG_INFO, | |
2086 | P2P_EVENT_SERV_DISC_RESP MACSTR | |
2087 | " %u <long response: %u bytes>", | |
2088 | MAC2STR(sa), update_indic, | |
2089 | (unsigned int) tlvs_len); | |
2090 | } else { | |
2091 | buf_len = 2 * tlvs_len + 1; | |
2092 | buf = os_malloc(buf_len); | |
2093 | if (buf) { | |
2094 | wpa_snprintf_hex(buf, buf_len, tlvs, tlvs_len); | |
2095 | wpa_msg_ctrl(wpa_s, MSG_INFO, | |
2096 | P2P_EVENT_SERV_DISC_RESP MACSTR " %u %s", | |
2097 | MAC2STR(sa), update_indic, buf); | |
2098 | os_free(buf); | |
2099 | } | |
b22128ef JM |
2100 | } |
2101 | ||
2102 | while (pos < end) { | |
2103 | u8 srv_proto, srv_trans_id, status; | |
2104 | ||
2105 | wpa_printf(MSG_DEBUG, "P2P: Service Response TLV"); | |
2106 | slen = WPA_GET_LE16(pos); | |
2107 | pos += 2; | |
2108 | if (pos + slen > end || slen < 3) { | |
2109 | wpa_printf(MSG_DEBUG, "P2P: Unexpected Response Data " | |
2110 | "length"); | |
2111 | return; | |
2112 | } | |
2113 | tlv_end = pos + slen; | |
2114 | ||
2115 | srv_proto = *pos++; | |
2116 | wpa_printf(MSG_DEBUG, "P2P: Service Protocol Type %u", | |
2117 | srv_proto); | |
2118 | srv_trans_id = *pos++; | |
2119 | wpa_printf(MSG_DEBUG, "P2P: Service Transaction ID %u", | |
2120 | srv_trans_id); | |
2121 | status = *pos++; | |
2122 | wpa_printf(MSG_DEBUG, "P2P: Status Code ID %u", | |
2123 | status); | |
2124 | ||
2125 | wpa_hexdump(MSG_MSGDUMP, "P2P: Response Data", | |
2126 | pos, tlv_end - pos); | |
2127 | ||
2128 | pos = tlv_end; | |
2129 | } | |
43a26f60 KRK |
2130 | |
2131 | wpas_notify_p2p_sd_response(wpa_s, sa, update_indic, tlvs, tlvs_len); | |
b22128ef JM |
2132 | } |
2133 | ||
2134 | ||
7165c5dc JM |
2135 | u64 wpas_p2p_sd_request(struct wpa_supplicant *wpa_s, const u8 *dst, |
2136 | const struct wpabuf *tlvs) | |
b22128ef | 2137 | { |
3ac17eba | 2138 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
7165c5dc | 2139 | return wpa_drv_p2p_sd_request(wpa_s, dst, tlvs); |
9526fd29 | 2140 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
7165c5dc JM |
2141 | return 0; |
2142 | return (uintptr_t) p2p_sd_request(wpa_s->global->p2p, dst, tlvs); | |
b22128ef JM |
2143 | } |
2144 | ||
2145 | ||
7165c5dc JM |
2146 | u64 wpas_p2p_sd_request_upnp(struct wpa_supplicant *wpa_s, const u8 *dst, |
2147 | u8 version, const char *query) | |
b22128ef JM |
2148 | { |
2149 | struct wpabuf *tlvs; | |
7165c5dc | 2150 | u64 ret; |
b22128ef JM |
2151 | |
2152 | tlvs = wpabuf_alloc(2 + 1 + 1 + 1 + os_strlen(query)); | |
2153 | if (tlvs == NULL) | |
7165c5dc | 2154 | return 0; |
b22128ef JM |
2155 | wpabuf_put_le16(tlvs, 1 + 1 + 1 + os_strlen(query)); |
2156 | wpabuf_put_u8(tlvs, P2P_SERV_UPNP); /* Service Protocol Type */ | |
2157 | wpabuf_put_u8(tlvs, 1); /* Service Transaction ID */ | |
2158 | wpabuf_put_u8(tlvs, version); | |
2159 | wpabuf_put_str(tlvs, query); | |
2160 | ret = wpas_p2p_sd_request(wpa_s, dst, tlvs); | |
2161 | wpabuf_free(tlvs); | |
2162 | return ret; | |
2163 | } | |
2164 | ||
2165 | ||
347d6a5b JM |
2166 | #ifdef CONFIG_WIFI_DISPLAY |
2167 | ||
2168 | static u64 wpas_p2p_sd_request_wfd(struct wpa_supplicant *wpa_s, const u8 *dst, | |
2169 | const struct wpabuf *tlvs) | |
2170 | { | |
2171 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) | |
2172 | return 0; | |
2173 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) | |
2174 | return 0; | |
2175 | return (uintptr_t) p2p_sd_request_wfd(wpa_s->global->p2p, dst, tlvs); | |
2176 | } | |
2177 | ||
2178 | ||
2179 | #define MAX_WFD_SD_SUBELEMS 20 | |
2180 | ||
2181 | static void wfd_add_sd_req_role(struct wpabuf *tlvs, u8 id, u8 role, | |
2182 | const char *subelems) | |
2183 | { | |
2184 | u8 *len; | |
2185 | const char *pos; | |
2186 | int val; | |
2187 | int count = 0; | |
2188 | ||
2189 | len = wpabuf_put(tlvs, 2); | |
2190 | wpabuf_put_u8(tlvs, P2P_SERV_WIFI_DISPLAY); /* Service Protocol Type */ | |
2191 | wpabuf_put_u8(tlvs, id); /* Service Transaction ID */ | |
2192 | ||
2193 | wpabuf_put_u8(tlvs, role); | |
2194 | ||
2195 | pos = subelems; | |
2196 | while (*pos) { | |
2197 | val = atoi(pos); | |
2198 | if (val >= 0 && val < 256) { | |
2199 | wpabuf_put_u8(tlvs, val); | |
2200 | count++; | |
2201 | if (count == MAX_WFD_SD_SUBELEMS) | |
2202 | break; | |
2203 | } | |
2204 | pos = os_strchr(pos + 1, ','); | |
2205 | if (pos == NULL) | |
2206 | break; | |
2207 | pos++; | |
2208 | } | |
2209 | ||
2210 | WPA_PUT_LE16(len, (u8 *) wpabuf_put(tlvs, 0) - len - 2); | |
2211 | } | |
2212 | ||
2213 | ||
2214 | u64 wpas_p2p_sd_request_wifi_display(struct wpa_supplicant *wpa_s, | |
2215 | const u8 *dst, const char *role) | |
2216 | { | |
2217 | struct wpabuf *tlvs; | |
2218 | u64 ret; | |
2219 | const char *subelems; | |
2220 | u8 id = 1; | |
2221 | ||
2222 | subelems = os_strchr(role, ' '); | |
2223 | if (subelems == NULL) | |
2224 | return 0; | |
2225 | subelems++; | |
2226 | ||
2227 | tlvs = wpabuf_alloc(4 * (2 + 1 + 1 + 1 + MAX_WFD_SD_SUBELEMS)); | |
2228 | if (tlvs == NULL) | |
2229 | return 0; | |
2230 | ||
2231 | if (os_strstr(role, "[source]")) | |
2232 | wfd_add_sd_req_role(tlvs, id++, 0x00, subelems); | |
2233 | if (os_strstr(role, "[pri-sink]")) | |
2234 | wfd_add_sd_req_role(tlvs, id++, 0x01, subelems); | |
2235 | if (os_strstr(role, "[sec-sink]")) | |
2236 | wfd_add_sd_req_role(tlvs, id++, 0x02, subelems); | |
2237 | if (os_strstr(role, "[source+sink]")) | |
2238 | wfd_add_sd_req_role(tlvs, id++, 0x03, subelems); | |
2239 | ||
2240 | ret = wpas_p2p_sd_request_wfd(wpa_s, dst, tlvs); | |
2241 | wpabuf_free(tlvs); | |
2242 | return ret; | |
2243 | } | |
2244 | ||
2245 | #endif /* CONFIG_WIFI_DISPLAY */ | |
2246 | ||
2247 | ||
7165c5dc | 2248 | int wpas_p2p_sd_cancel_request(struct wpa_supplicant *wpa_s, u64 req) |
b22128ef | 2249 | { |
3ac17eba | 2250 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
7165c5dc | 2251 | return wpa_drv_p2p_sd_cancel_request(wpa_s, req); |
9526fd29 JM |
2252 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
2253 | return -1; | |
7165c5dc JM |
2254 | return p2p_sd_cancel_request(wpa_s->global->p2p, |
2255 | (void *) (uintptr_t) req); | |
b22128ef JM |
2256 | } |
2257 | ||
2258 | ||
2259 | void wpas_p2p_sd_response(struct wpa_supplicant *wpa_s, int freq, | |
2260 | const u8 *dst, u8 dialog_token, | |
2261 | const struct wpabuf *resp_tlvs) | |
2262 | { | |
3ac17eba JM |
2263 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) { |
2264 | wpa_drv_p2p_sd_response(wpa_s, freq, dst, dialog_token, | |
2265 | resp_tlvs); | |
2266 | return; | |
2267 | } | |
9526fd29 JM |
2268 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
2269 | return; | |
b22128ef JM |
2270 | p2p_sd_response(wpa_s->global->p2p, freq, dst, dialog_token, |
2271 | resp_tlvs); | |
2272 | } | |
2273 | ||
2274 | ||
2275 | void wpas_p2p_sd_service_update(struct wpa_supplicant *wpa_s) | |
2276 | { | |
3ac17eba JM |
2277 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) { |
2278 | wpa_drv_p2p_service_update(wpa_s); | |
2279 | return; | |
2280 | } | |
9526fd29 JM |
2281 | if (wpa_s->global->p2p) |
2282 | p2p_sd_service_update(wpa_s->global->p2p); | |
b22128ef JM |
2283 | } |
2284 | ||
2285 | ||
2286 | static void wpas_p2p_srv_bonjour_free(struct p2p_srv_bonjour *bsrv) | |
2287 | { | |
2288 | dl_list_del(&bsrv->list); | |
2289 | wpabuf_free(bsrv->query); | |
2290 | wpabuf_free(bsrv->resp); | |
2291 | os_free(bsrv); | |
2292 | } | |
2293 | ||
2294 | ||
2295 | static void wpas_p2p_srv_upnp_free(struct p2p_srv_upnp *usrv) | |
2296 | { | |
2297 | dl_list_del(&usrv->list); | |
2298 | os_free(usrv->service); | |
2299 | os_free(usrv); | |
2300 | } | |
2301 | ||
2302 | ||
2303 | void wpas_p2p_service_flush(struct wpa_supplicant *wpa_s) | |
2304 | { | |
2305 | struct p2p_srv_bonjour *bsrv, *bn; | |
2306 | struct p2p_srv_upnp *usrv, *un; | |
2307 | ||
2308 | dl_list_for_each_safe(bsrv, bn, &wpa_s->global->p2p_srv_bonjour, | |
2309 | struct p2p_srv_bonjour, list) | |
2310 | wpas_p2p_srv_bonjour_free(bsrv); | |
2311 | ||
2312 | dl_list_for_each_safe(usrv, un, &wpa_s->global->p2p_srv_upnp, | |
2313 | struct p2p_srv_upnp, list) | |
2314 | wpas_p2p_srv_upnp_free(usrv); | |
2315 | ||
2316 | wpas_p2p_sd_service_update(wpa_s); | |
2317 | } | |
2318 | ||
2319 | ||
2320 | int wpas_p2p_service_add_bonjour(struct wpa_supplicant *wpa_s, | |
2321 | struct wpabuf *query, struct wpabuf *resp) | |
2322 | { | |
2323 | struct p2p_srv_bonjour *bsrv; | |
2324 | ||
b22128ef JM |
2325 | bsrv = os_zalloc(sizeof(*bsrv)); |
2326 | if (bsrv == NULL) | |
2327 | return -1; | |
2328 | bsrv->query = query; | |
2329 | bsrv->resp = resp; | |
2330 | dl_list_add(&wpa_s->global->p2p_srv_bonjour, &bsrv->list); | |
2331 | ||
2332 | wpas_p2p_sd_service_update(wpa_s); | |
2333 | return 0; | |
2334 | } | |
2335 | ||
2336 | ||
2337 | int wpas_p2p_service_del_bonjour(struct wpa_supplicant *wpa_s, | |
2338 | const struct wpabuf *query) | |
2339 | { | |
2340 | struct p2p_srv_bonjour *bsrv; | |
2341 | ||
2342 | bsrv = wpas_p2p_service_get_bonjour(wpa_s, query); | |
2343 | if (bsrv == NULL) | |
2344 | return -1; | |
2345 | wpas_p2p_srv_bonjour_free(bsrv); | |
2346 | wpas_p2p_sd_service_update(wpa_s); | |
2347 | return 0; | |
2348 | } | |
2349 | ||
2350 | ||
2351 | int wpas_p2p_service_add_upnp(struct wpa_supplicant *wpa_s, u8 version, | |
2352 | const char *service) | |
2353 | { | |
2354 | struct p2p_srv_upnp *usrv; | |
2355 | ||
2356 | if (wpas_p2p_service_get_upnp(wpa_s, version, service)) | |
2357 | return 0; /* Already listed */ | |
2358 | usrv = os_zalloc(sizeof(*usrv)); | |
2359 | if (usrv == NULL) | |
2360 | return -1; | |
2361 | usrv->version = version; | |
2362 | usrv->service = os_strdup(service); | |
2363 | if (usrv->service == NULL) { | |
2364 | os_free(usrv); | |
2365 | return -1; | |
2366 | } | |
2367 | dl_list_add(&wpa_s->global->p2p_srv_upnp, &usrv->list); | |
2368 | ||
2369 | wpas_p2p_sd_service_update(wpa_s); | |
2370 | return 0; | |
2371 | } | |
2372 | ||
2373 | ||
2374 | int wpas_p2p_service_del_upnp(struct wpa_supplicant *wpa_s, u8 version, | |
2375 | const char *service) | |
2376 | { | |
2377 | struct p2p_srv_upnp *usrv; | |
2378 | ||
2379 | usrv = wpas_p2p_service_get_upnp(wpa_s, version, service); | |
2380 | if (usrv == NULL) | |
2381 | return -1; | |
2382 | wpas_p2p_srv_upnp_free(usrv); | |
2383 | wpas_p2p_sd_service_update(wpa_s); | |
2384 | return 0; | |
2385 | } | |
2386 | ||
2387 | ||
2388 | static void wpas_prov_disc_local_display(struct wpa_supplicant *wpa_s, | |
bbeee9b0 JB |
2389 | const u8 *peer, const char *params, |
2390 | unsigned int generated_pin) | |
b22128ef | 2391 | { |
92c4465b JM |
2392 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_SHOW_PIN MACSTR |
2393 | " %08d%s", MAC2STR(peer), generated_pin, params); | |
b22128ef JM |
2394 | } |
2395 | ||
2396 | ||
2397 | static void wpas_prov_disc_local_keypad(struct wpa_supplicant *wpa_s, | |
2398 | const u8 *peer, const char *params) | |
2399 | { | |
92c4465b JM |
2400 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_ENTER_PIN MACSTR |
2401 | "%s", MAC2STR(peer), params); | |
b22128ef JM |
2402 | } |
2403 | ||
2404 | ||
2405 | void wpas_prov_disc_req(void *ctx, const u8 *peer, u16 config_methods, | |
2406 | const u8 *dev_addr, const u8 *pri_dev_type, | |
2407 | const char *dev_name, u16 supp_config_methods, | |
c3f42784 JM |
2408 | u8 dev_capab, u8 group_capab, const u8 *group_id, |
2409 | size_t group_id_len) | |
b22128ef JM |
2410 | { |
2411 | struct wpa_supplicant *wpa_s = ctx; | |
2412 | char devtype[WPS_DEV_TYPE_BUFSIZE]; | |
c3f42784 | 2413 | char params[300]; |
b22128ef | 2414 | u8 empty_dev_type[8]; |
bbeee9b0 | 2415 | unsigned int generated_pin = 0; |
c3f42784 JM |
2416 | struct wpa_supplicant *group = NULL; |
2417 | ||
2418 | if (group_id) { | |
2419 | for (group = wpa_s->global->ifaces; group; group = group->next) | |
2420 | { | |
2421 | struct wpa_ssid *s = group->current_ssid; | |
2422 | if (s != NULL && | |
2423 | s->mode == WPAS_MODE_P2P_GO && | |
2424 | group_id_len - ETH_ALEN == s->ssid_len && | |
2425 | os_memcmp(group_id + ETH_ALEN, s->ssid, | |
2426 | s->ssid_len) == 0) | |
2427 | break; | |
2428 | } | |
2429 | } | |
b22128ef JM |
2430 | |
2431 | if (pri_dev_type == NULL) { | |
2432 | os_memset(empty_dev_type, 0, sizeof(empty_dev_type)); | |
2433 | pri_dev_type = empty_dev_type; | |
2434 | } | |
2435 | os_snprintf(params, sizeof(params), " p2p_dev_addr=" MACSTR | |
2436 | " pri_dev_type=%s name='%s' config_methods=0x%x " | |
c3f42784 | 2437 | "dev_capab=0x%x group_capab=0x%x%s%s", |
b22128ef JM |
2438 | MAC2STR(dev_addr), |
2439 | wps_dev_type_bin2str(pri_dev_type, devtype, | |
2440 | sizeof(devtype)), | |
c3f42784 JM |
2441 | dev_name, supp_config_methods, dev_capab, group_capab, |
2442 | group ? " group=" : "", | |
2443 | group ? group->ifname : ""); | |
b22128ef JM |
2444 | params[sizeof(params) - 1] = '\0'; |
2445 | ||
bbeee9b0 JB |
2446 | if (config_methods & WPS_CONFIG_DISPLAY) { |
2447 | generated_pin = wps_generate_pin(); | |
2448 | wpas_prov_disc_local_display(wpa_s, peer, params, | |
2449 | generated_pin); | |
2450 | } else if (config_methods & WPS_CONFIG_KEYPAD) | |
b22128ef JM |
2451 | wpas_prov_disc_local_keypad(wpa_s, peer, params); |
2452 | else if (config_methods & WPS_CONFIG_PUSHBUTTON) | |
92c4465b JM |
2453 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_PBC_REQ |
2454 | MACSTR "%s", MAC2STR(peer), params); | |
dd8a7e05 JB |
2455 | |
2456 | wpas_notify_p2p_provision_discovery(wpa_s, peer, 1 /* request */, | |
2457 | P2P_PROV_DISC_SUCCESS, | |
2458 | config_methods, generated_pin); | |
b22128ef JM |
2459 | } |
2460 | ||
2461 | ||
2462 | void wpas_prov_disc_resp(void *ctx, const u8 *peer, u16 config_methods) | |
2463 | { | |
2464 | struct wpa_supplicant *wpa_s = ctx; | |
bbeee9b0 | 2465 | unsigned int generated_pin = 0; |
0918c4bf | 2466 | char params[20]; |
bbeee9b0 | 2467 | |
c1931635 JM |
2468 | if (wpa_s->pending_pd_before_join && |
2469 | (os_memcmp(peer, wpa_s->pending_join_dev_addr, ETH_ALEN) == 0 || | |
2470 | os_memcmp(peer, wpa_s->pending_join_iface_addr, ETH_ALEN) == 0)) { | |
2471 | wpa_s->pending_pd_before_join = 0; | |
2472 | wpa_printf(MSG_DEBUG, "P2P: Starting pending " | |
2473 | "join-existing-group operation"); | |
2474 | wpas_p2p_join_start(wpa_s); | |
2475 | return; | |
2476 | } | |
2477 | ||
0918c4bf JM |
2478 | if (wpa_s->pending_pd_use == AUTO_PD_JOIN || |
2479 | wpa_s->pending_pd_use == AUTO_PD_GO_NEG) | |
2480 | os_snprintf(params, sizeof(params), " peer_go=%d", | |
2481 | wpa_s->pending_pd_use == AUTO_PD_JOIN); | |
2482 | else | |
2483 | params[0] = '\0'; | |
2484 | ||
b22128ef | 2485 | if (config_methods & WPS_CONFIG_DISPLAY) |
0918c4bf | 2486 | wpas_prov_disc_local_keypad(wpa_s, peer, params); |
bbeee9b0 JB |
2487 | else if (config_methods & WPS_CONFIG_KEYPAD) { |
2488 | generated_pin = wps_generate_pin(); | |
0918c4bf JM |
2489 | wpas_prov_disc_local_display(wpa_s, peer, params, |
2490 | generated_pin); | |
bbeee9b0 | 2491 | } else if (config_methods & WPS_CONFIG_PUSHBUTTON) |
92c4465b JM |
2492 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_PBC_RESP |
2493 | MACSTR "%s", MAC2STR(peer), params); | |
a482883f | 2494 | |
dd8a7e05 JB |
2495 | wpas_notify_p2p_provision_discovery(wpa_s, peer, 0 /* response */, |
2496 | P2P_PROV_DISC_SUCCESS, | |
2497 | config_methods, generated_pin); | |
b22128ef JM |
2498 | } |
2499 | ||
2500 | ||
19df9b07 JM |
2501 | static void wpas_prov_disc_fail(void *ctx, const u8 *peer, |
2502 | enum p2p_prov_disc_status status) | |
dd8a7e05 JB |
2503 | { |
2504 | struct wpa_supplicant *wpa_s = ctx; | |
2505 | ||
aa9bb764 JM |
2506 | if (wpa_s->p2p_fallback_to_go_neg) { |
2507 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: PD for p2p_connect-auto " | |
2508 | "failed - fall back to GO Negotiation"); | |
2509 | wpas_p2p_fallback_to_go_neg(wpa_s, 0); | |
2510 | return; | |
2511 | } | |
2512 | ||
175171ac JM |
2513 | if (status == P2P_PROV_DISC_TIMEOUT_JOIN) { |
2514 | wpa_s->pending_pd_before_join = 0; | |
2515 | wpa_printf(MSG_DEBUG, "P2P: Starting pending " | |
2516 | "join-existing-group operation (no ACK for PD " | |
2517 | "Req attempts)"); | |
2518 | wpas_p2p_join_start(wpa_s); | |
2519 | return; | |
2520 | } | |
2521 | ||
92c4465b JM |
2522 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_FAILURE |
2523 | " p2p_dev_addr=" MACSTR " status=%d", | |
2524 | MAC2STR(peer), status); | |
f65a239b | 2525 | |
dd8a7e05 JB |
2526 | wpas_notify_p2p_provision_discovery(wpa_s, peer, 0 /* response */, |
2527 | status, 0, 0); | |
2528 | } | |
2529 | ||
2530 | ||
72728c6f SL |
2531 | static int freq_included(const struct p2p_channels *channels, unsigned int freq) |
2532 | { | |
2533 | if (channels == NULL) | |
2534 | return 1; /* Assume no restrictions */ | |
2535 | return p2p_channels_includes_freq(channels, freq); | |
2536 | ||
2537 | } | |
2538 | ||
2539 | ||
b22128ef JM |
2540 | static u8 wpas_invitation_process(void *ctx, const u8 *sa, const u8 *bssid, |
2541 | const u8 *go_dev_addr, const u8 *ssid, | |
2542 | size_t ssid_len, int *go, u8 *group_bssid, | |
72728c6f SL |
2543 | int *force_freq, int persistent_group, |
2544 | const struct p2p_channels *channels) | |
b22128ef JM |
2545 | { |
2546 | struct wpa_supplicant *wpa_s = ctx; | |
2547 | struct wpa_ssid *s; | |
b22128ef | 2548 | int res; |
ab72eb52 | 2549 | struct wpa_supplicant *grp; |
b22128ef JM |
2550 | |
2551 | if (!persistent_group) { | |
2552 | wpa_printf(MSG_DEBUG, "P2P: Invitation from " MACSTR | |
2553 | " to join an active group", MAC2STR(sa)); | |
108def93 | 2554 | if (!is_zero_ether_addr(wpa_s->p2p_auth_invite) && |
131cb37c JM |
2555 | (os_memcmp(go_dev_addr, wpa_s->p2p_auth_invite, ETH_ALEN) |
2556 | == 0 || | |
2557 | os_memcmp(sa, wpa_s->p2p_auth_invite, ETH_ALEN) == 0)) { | |
108def93 JM |
2558 | wpa_printf(MSG_DEBUG, "P2P: Accept previously " |
2559 | "authorized invitation"); | |
2560 | goto accept_inv; | |
2561 | } | |
b22128ef JM |
2562 | /* |
2563 | * Do not accept the invitation automatically; notify user and | |
2564 | * request approval. | |
2565 | */ | |
2566 | return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE; | |
2567 | } | |
2568 | ||
ab72eb52 JM |
2569 | grp = wpas_get_p2p_group(wpa_s, ssid, ssid_len, go); |
2570 | if (grp) { | |
2571 | wpa_printf(MSG_DEBUG, "P2P: Accept invitation to already " | |
2572 | "running persistent group"); | |
2573 | if (*go) | |
2574 | os_memcpy(group_bssid, grp->own_addr, ETH_ALEN); | |
2575 | goto accept_inv; | |
2576 | } | |
2577 | ||
77e4e853 JM |
2578 | if (!is_zero_ether_addr(wpa_s->p2p_auth_invite) && |
2579 | os_memcmp(sa, wpa_s->p2p_auth_invite, ETH_ALEN) == 0) { | |
2580 | wpa_printf(MSG_DEBUG, "P2P: Accept previously initiated " | |
2581 | "invitation to re-invoke a persistent group"); | |
2582 | } else if (!wpa_s->conf->persistent_reconnect) | |
b22128ef JM |
2583 | return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE; |
2584 | ||
2585 | for (s = wpa_s->conf->ssid; s; s = s->next) { | |
2586 | if (s->disabled == 2 && | |
2587 | os_memcmp(s->bssid, go_dev_addr, ETH_ALEN) == 0 && | |
2588 | s->ssid_len == ssid_len && | |
2589 | os_memcmp(ssid, s->ssid, ssid_len) == 0) | |
2590 | break; | |
2591 | } | |
2592 | ||
2593 | if (!s) { | |
2594 | wpa_printf(MSG_DEBUG, "P2P: Invitation from " MACSTR | |
2595 | " requested reinvocation of an unknown group", | |
2596 | MAC2STR(sa)); | |
2597 | return P2P_SC_FAIL_UNKNOWN_GROUP; | |
2598 | } | |
2599 | ||
2600 | if (s->mode == WPAS_MODE_P2P_GO && !wpas_p2p_create_iface(wpa_s)) { | |
2601 | *go = 1; | |
2602 | if (wpa_s->wpa_state >= WPA_AUTHENTICATING) { | |
2603 | wpa_printf(MSG_DEBUG, "P2P: The only available " | |
2604 | "interface is already in use - reject " | |
2605 | "invitation"); | |
2606 | return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE; | |
2607 | } | |
2608 | os_memcpy(group_bssid, wpa_s->own_addr, ETH_ALEN); | |
2609 | } else if (s->mode == WPAS_MODE_P2P_GO) { | |
2610 | *go = 1; | |
2611 | if (wpas_p2p_add_group_interface(wpa_s, WPA_IF_P2P_GO) < 0) | |
2612 | { | |
2613 | wpa_printf(MSG_ERROR, "P2P: Failed to allocate a new " | |
2614 | "interface address for the group"); | |
2615 | return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE; | |
2616 | } | |
2617 | os_memcpy(group_bssid, wpa_s->pending_interface_addr, | |
2618 | ETH_ALEN); | |
2619 | } | |
2620 | ||
108def93 | 2621 | accept_inv: |
6cb27aa8 JM |
2622 | wpas_p2p_set_own_freq_preference(wpa_s, 0); |
2623 | ||
0d08efa4 IP |
2624 | /* Get one of the frequencies currently in use */ |
2625 | if (wpas_p2p_valid_oper_freqs(wpa_s, &res, 1) > 0) { | |
2626 | wpa_printf(MSG_DEBUG, "P2P: Trying to force channel to match a channel already used by one of the interfaces"); | |
b22128ef | 2627 | *force_freq = res; |
6cb27aa8 | 2628 | wpas_p2p_set_own_freq_preference(wpa_s, res); |
b22128ef JM |
2629 | } |
2630 | ||
0d08efa4 IP |
2631 | if (*force_freq > 0 && wpa_s->num_multichan_concurrent > 1 && |
2632 | wpas_p2p_num_unused_channels(wpa_s) > 0) { | |
72728c6f SL |
2633 | if (*go == 0) { |
2634 | /* We are the client */ | |
2635 | wpa_printf(MSG_DEBUG, "P2P: Peer was found to be " | |
2636 | "running a GO but we are capable of MCC, " | |
2637 | "figure out the best channel to use"); | |
2638 | *force_freq = 0; | |
2639 | } else if (!freq_included(channels, *force_freq)) { | |
2640 | /* We are the GO, and *force_freq is not in the | |
2641 | * intersection */ | |
2642 | wpa_printf(MSG_DEBUG, "P2P: Forced GO freq %d MHz not " | |
2643 | "in intersection but we are capable of MCC, " | |
2644 | "figure out the best channel to use", | |
2645 | *force_freq); | |
2646 | *force_freq = 0; | |
2647 | } | |
2648 | } | |
2649 | ||
b22128ef JM |
2650 | return P2P_SC_SUCCESS; |
2651 | } | |
2652 | ||
2653 | ||
2654 | static void wpas_invitation_received(void *ctx, const u8 *sa, const u8 *bssid, | |
2655 | const u8 *ssid, size_t ssid_len, | |
2656 | const u8 *go_dev_addr, u8 status, | |
2657 | int op_freq) | |
2658 | { | |
2659 | struct wpa_supplicant *wpa_s = ctx; | |
2660 | struct wpa_ssid *s; | |
2661 | ||
2662 | for (s = wpa_s->conf->ssid; s; s = s->next) { | |
2663 | if (s->disabled == 2 && | |
2664 | s->ssid_len == ssid_len && | |
2665 | os_memcmp(ssid, s->ssid, ssid_len) == 0) | |
2666 | break; | |
2667 | } | |
2668 | ||
2669 | if (status == P2P_SC_SUCCESS) { | |
2670 | wpa_printf(MSG_DEBUG, "P2P: Invitation from peer " MACSTR | |
2671 | " was accepted; op_freq=%d MHz", | |
2672 | MAC2STR(sa), op_freq); | |
2673 | if (s) { | |
2cd07584 | 2674 | int go = s->mode == WPAS_MODE_P2P_GO; |
b22128ef | 2675 | wpas_p2p_group_add_persistent( |
54733624 | 2676 | wpa_s, s, go, go ? op_freq : 0, 0, NULL); |
2049af2b | 2677 | } else if (bssid) { |
67527166 | 2678 | wpa_s->user_initiated_pd = 0; |
108def93 | 2679 | wpas_p2p_join(wpa_s, bssid, go_dev_addr, |
b31be3a0 | 2680 | wpa_s->p2p_wps_method, 0); |
b22128ef JM |
2681 | } |
2682 | return; | |
2683 | } | |
2684 | ||
2685 | if (status != P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE) { | |
2686 | wpa_printf(MSG_DEBUG, "P2P: Invitation from peer " MACSTR | |
2687 | " was rejected (status %u)", MAC2STR(sa), status); | |
2688 | return; | |
2689 | } | |
2690 | ||
2691 | if (!s) { | |
2692 | if (bssid) { | |
92c4465b JM |
2693 | wpa_msg_global(wpa_s, MSG_INFO, |
2694 | P2P_EVENT_INVITATION_RECEIVED | |
2695 | "sa=" MACSTR " go_dev_addr=" MACSTR | |
2696 | " bssid=" MACSTR " unknown-network", | |
2697 | MAC2STR(sa), MAC2STR(go_dev_addr), | |
2698 | MAC2STR(bssid)); | |
b22128ef | 2699 | } else { |
92c4465b JM |
2700 | wpa_msg_global(wpa_s, MSG_INFO, |
2701 | P2P_EVENT_INVITATION_RECEIVED | |
2702 | "sa=" MACSTR " go_dev_addr=" MACSTR | |
2703 | " unknown-network", | |
2704 | MAC2STR(sa), MAC2STR(go_dev_addr)); | |
b22128ef JM |
2705 | } |
2706 | return; | |
2707 | } | |
2708 | ||
cd1e2309 | 2709 | if (s->mode == WPAS_MODE_P2P_GO && op_freq) { |
92c4465b JM |
2710 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED |
2711 | "sa=" MACSTR " persistent=%d freq=%d", | |
2712 | MAC2STR(sa), s->id, op_freq); | |
cd1e2309 | 2713 | } else { |
92c4465b JM |
2714 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED |
2715 | "sa=" MACSTR " persistent=%d", | |
2716 | MAC2STR(sa), s->id); | |
cd1e2309 | 2717 | } |
b22128ef JM |
2718 | } |
2719 | ||
2720 | ||
dbca75f8 JM |
2721 | static void wpas_remove_persistent_peer(struct wpa_supplicant *wpa_s, |
2722 | struct wpa_ssid *ssid, | |
f2c56602 | 2723 | const u8 *peer, int inv) |
dbca75f8 JM |
2724 | { |
2725 | size_t i; | |
2726 | ||
2727 | if (ssid == NULL) | |
2728 | return; | |
2729 | ||
2730 | for (i = 0; ssid->p2p_client_list && i < ssid->num_p2p_clients; i++) { | |
2731 | if (os_memcmp(ssid->p2p_client_list + i * ETH_ALEN, peer, | |
2732 | ETH_ALEN) == 0) | |
2733 | break; | |
2734 | } | |
2735 | if (i >= ssid->num_p2p_clients) { | |
2736 | if (ssid->mode != WPAS_MODE_P2P_GO && | |
2737 | os_memcmp(ssid->bssid, peer, ETH_ALEN) == 0) { | |
2738 | wpa_printf(MSG_DEBUG, "P2P: Remove persistent group %d " | |
2739 | "due to invitation result", ssid->id); | |
2740 | wpas_notify_network_removed(wpa_s, ssid); | |
2741 | wpa_config_remove_network(wpa_s->conf, ssid->id); | |
2742 | return; | |
2743 | } | |
2744 | return; /* Peer not found in client list */ | |
2745 | } | |
2746 | ||
2747 | wpa_printf(MSG_DEBUG, "P2P: Remove peer " MACSTR " from persistent " | |
f2c56602 JM |
2748 | "group %d client list%s", |
2749 | MAC2STR(peer), ssid->id, | |
2750 | inv ? " due to invitation result" : ""); | |
dbca75f8 JM |
2751 | os_memmove(ssid->p2p_client_list + i * ETH_ALEN, |
2752 | ssid->p2p_client_list + (i + 1) * ETH_ALEN, | |
2753 | (ssid->num_p2p_clients - i - 1) * ETH_ALEN); | |
2754 | ssid->num_p2p_clients--; | |
2755 | #ifndef CONFIG_NO_CONFIG_WRITE | |
2756 | if (wpa_s->parent->conf->update_config && | |
2757 | wpa_config_write(wpa_s->parent->confname, wpa_s->parent->conf)) | |
2758 | wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration"); | |
2759 | #endif /* CONFIG_NO_CONFIG_WRITE */ | |
2760 | } | |
2761 | ||
2762 | ||
2763 | static void wpas_remove_persistent_client(struct wpa_supplicant *wpa_s, | |
2764 | const u8 *peer) | |
2765 | { | |
2766 | struct wpa_ssid *ssid; | |
2767 | ||
2768 | wpa_s = wpa_s->global->p2p_invite_group; | |
2769 | if (wpa_s == NULL) | |
2770 | return; /* No known invitation group */ | |
2771 | ssid = wpa_s->current_ssid; | |
2772 | if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO || | |
2773 | !ssid->p2p_persistent_group) | |
2774 | return; /* Not operating as a GO in persistent group */ | |
2775 | ssid = wpas_p2p_get_persistent(wpa_s->parent, peer, | |
2776 | ssid->ssid, ssid->ssid_len); | |
f2c56602 | 2777 | wpas_remove_persistent_peer(wpa_s, ssid, peer, 1); |
dbca75f8 JM |
2778 | } |
2779 | ||
2780 | ||
54733624 | 2781 | static void wpas_invitation_result(void *ctx, int status, const u8 *bssid, |
dbca75f8 JM |
2782 | const struct p2p_channels *channels, |
2783 | const u8 *peer) | |
b22128ef JM |
2784 | { |
2785 | struct wpa_supplicant *wpa_s = ctx; | |
2786 | struct wpa_ssid *ssid; | |
2787 | ||
2788 | if (bssid) { | |
92c4465b JM |
2789 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RESULT |
2790 | "status=%d " MACSTR, | |
2791 | status, MAC2STR(bssid)); | |
b22128ef | 2792 | } else { |
92c4465b JM |
2793 | wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RESULT |
2794 | "status=%d ", status); | |
b22128ef | 2795 | } |
5ccdf84f | 2796 | wpas_notify_p2p_invitation_result(wpa_s, status, bssid); |
b22128ef | 2797 | |
dbca75f8 JM |
2798 | wpa_printf(MSG_DEBUG, "P2P: Invitation result - status=%d peer=" MACSTR, |
2799 | status, MAC2STR(peer)); | |
2800 | if (wpa_s->pending_invite_ssid_id == -1) { | |
2801 | if (status == P2P_SC_FAIL_UNKNOWN_GROUP) | |
2802 | wpas_remove_persistent_client(wpa_s, peer); | |
706887fc | 2803 | return; /* Invitation to active group */ |
dbca75f8 | 2804 | } |
706887fc | 2805 | |
77e4e853 JM |
2806 | if (status == P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE) { |
2807 | wpa_printf(MSG_DEBUG, "P2P: Waiting for peer to start another " | |
2808 | "invitation exchange to indicate readiness for " | |
2809 | "re-invocation"); | |
2810 | } | |
2811 | ||
b22128ef | 2812 | if (status != P2P_SC_SUCCESS) { |
dbca75f8 JM |
2813 | if (status == P2P_SC_FAIL_UNKNOWN_GROUP) { |
2814 | ssid = wpa_config_get_network( | |
2815 | wpa_s->conf, wpa_s->pending_invite_ssid_id); | |
f2c56602 | 2816 | wpas_remove_persistent_peer(wpa_s, ssid, peer, 1); |
dbca75f8 | 2817 | } |
b22128ef JM |
2818 | wpas_p2p_remove_pending_group_interface(wpa_s); |
2819 | return; | |
2820 | } | |
2821 | ||
2822 | ssid = wpa_config_get_network(wpa_s->conf, | |
2823 | wpa_s->pending_invite_ssid_id); | |
2824 | if (ssid == NULL) { | |
2825 | wpa_printf(MSG_ERROR, "P2P: Could not find persistent group " | |
2826 | "data matching with invitation"); | |
2827 | return; | |
2828 | } | |
2829 | ||
13ece96f JM |
2830 | /* |
2831 | * The peer could have missed our ctrl::ack frame for Invitation | |
2832 | * Response and continue retransmitting the frame. To reduce the | |
2833 | * likelihood of the peer not getting successful TX status for the | |
2834 | * Invitation Response frame, wait a short time here before starting | |
2835 | * the persistent group so that we will remain on the current channel to | |
2836 | * acknowledge any possible retransmission from the peer. | |
2837 | */ | |
2838 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: 50 ms wait on current channel before " | |
2839 | "starting persistent group"); | |
2840 | os_sleep(0, 50000); | |
2841 | ||
b22128ef | 2842 | wpas_p2p_group_add_persistent(wpa_s, ssid, |
4d32c0c4 JM |
2843 | ssid->mode == WPAS_MODE_P2P_GO, |
2844 | wpa_s->p2p_persistent_go_freq, | |
54733624 | 2845 | wpa_s->p2p_go_ht40, channels); |
b22128ef JM |
2846 | } |
2847 | ||
2848 | ||
6f3bc72b JM |
2849 | static int wpas_p2p_disallowed_freq(struct wpa_global *global, |
2850 | unsigned int freq) | |
2851 | { | |
2852 | unsigned int i; | |
2853 | ||
2854 | if (global->p2p_disallow_freq == NULL) | |
2855 | return 0; | |
2856 | ||
2857 | for (i = 0; i < global->num_p2p_disallow_freq; i++) { | |
2858 | if (freq >= global->p2p_disallow_freq[i].min && | |
2859 | freq <= global->p2p_disallow_freq[i].max) | |
2860 | return 1; | |
2861 | } | |
2862 | ||
2863 | return 0; | |
2864 | } | |
2865 | ||
2866 | ||
2867 | static void wpas_p2p_add_chan(struct p2p_reg_class *reg, u8 chan) | |
2868 | { | |
2869 | reg->channel[reg->channels] = chan; | |
2870 | reg->channels++; | |
2871 | } | |
2872 | ||
2873 | ||
ac8d1011 JM |
2874 | static int wpas_p2p_default_channels(struct wpa_supplicant *wpa_s, |
2875 | struct p2p_channels *chan) | |
2876 | { | |
2877 | int i, cla = 0; | |
2878 | ||
2879 | wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for 2.4 GHz " | |
2880 | "band"); | |
2881 | ||
2882 | /* Operating class 81 - 2.4 GHz band channels 1..13 */ | |
2883 | chan->reg_class[cla].reg_class = 81; | |
6f3bc72b JM |
2884 | chan->reg_class[cla].channels = 0; |
2885 | for (i = 0; i < 11; i++) { | |
2886 | if (!wpas_p2p_disallowed_freq(wpa_s->global, 2412 + i * 5)) | |
2887 | wpas_p2p_add_chan(&chan->reg_class[cla], i + 1); | |
2888 | } | |
2889 | if (chan->reg_class[cla].channels) | |
2890 | cla++; | |
ac8d1011 JM |
2891 | |
2892 | wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for lower 5 GHz " | |
2893 | "band"); | |
2894 | ||
2895 | /* Operating class 115 - 5 GHz, channels 36-48 */ | |
2896 | chan->reg_class[cla].reg_class = 115; | |
6f3bc72b JM |
2897 | chan->reg_class[cla].channels = 0; |
2898 | if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 36 * 5)) | |
2899 | wpas_p2p_add_chan(&chan->reg_class[cla], 36); | |
2900 | if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 40 * 5)) | |
2901 | wpas_p2p_add_chan(&chan->reg_class[cla], 40); | |
2902 | if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 44 * 5)) | |
2903 | wpas_p2p_add_chan(&chan->reg_class[cla], 44); | |
2904 | if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 48 * 5)) | |
2905 | wpas_p2p_add_chan(&chan->reg_class[cla], 48); | |
2906 | if (chan->reg_class[cla].channels) | |
2907 | cla++; | |
ac8d1011 JM |
2908 | |
2909 | wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for higher 5 GHz " | |
2910 | "band"); | |
2911 | ||
2912 | /* Operating class 124 - 5 GHz, channels 149,153,157,161 */ | |
2913 | chan->reg_class[cla].reg_class = 124; | |
6f3bc72b JM |
2914 | chan->reg_class[cla].channels = 0; |
2915 | if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 149 * 5)) | |
2916 | wpas_p2p_add_chan(&chan->reg_class[cla], 149); | |
2917 | if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 153 * 5)) | |
2918 | wpas_p2p_add_chan(&chan->reg_class[cla], 153); | |
2919 | if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 156 * 5)) | |
2920 | wpas_p2p_add_chan(&chan->reg_class[cla], 157); | |
2921 | if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 161 * 5)) | |
2922 | wpas_p2p_add_chan(&chan->reg_class[cla], 161); | |
2923 | if (chan->reg_class[cla].channels) | |
2924 | cla++; | |
ac8d1011 JM |
2925 | |
2926 | chan->reg_classes = cla; | |
2927 | return 0; | |
2928 | } | |
2929 | ||
2930 | ||
2931 | static struct hostapd_hw_modes * get_mode(struct hostapd_hw_modes *modes, | |
2932 | u16 num_modes, | |
2933 | enum hostapd_hw_mode mode) | |
2934 | { | |
2935 | u16 i; | |
2936 | ||
2937 | for (i = 0; i < num_modes; i++) { | |
2938 | if (modes[i].mode == mode) | |
2939 | return &modes[i]; | |
2940 | } | |
2941 | ||
2942 | return NULL; | |
2943 | } | |
2944 | ||
2945 | ||
6f3bc72b JM |
2946 | static int has_channel(struct wpa_global *global, |
2947 | struct hostapd_hw_modes *mode, u8 chan, int *flags) | |
ac8d1011 JM |
2948 | { |
2949 | int i; | |
6f3bc72b JM |
2950 | unsigned int freq; |
2951 | ||
2952 | freq = (mode->mode == HOSTAPD_MODE_IEEE80211A ? 5000 : 2407) + | |
2953 | chan * 5; | |
2954 | if (wpas_p2p_disallowed_freq(global, freq)) | |
2955 | return 0; | |
ac8d1011 JM |
2956 | |
2957 | for (i = 0; i < mode->num_channels; i++) { | |
2958 | if (mode->channels[i].chan == chan) { | |
51222429 JM |
2959 | if (flags) |
2960 | *flags = mode->channels[i].flag; | |
ac8d1011 JM |
2961 | return !(mode->channels[i].flag & |
2962 | (HOSTAPD_CHAN_DISABLED | | |
2963 | HOSTAPD_CHAN_PASSIVE_SCAN | | |
2964 | HOSTAPD_CHAN_NO_IBSS | | |
2965 | HOSTAPD_CHAN_RADAR)); | |
2966 | } | |
2967 | } | |
2968 | ||
2969 | return 0; | |
2970 | } | |
2971 | ||
2972 | ||
2973 | struct p2p_oper_class_map { | |
2974 | enum hostapd_hw_mode mode; | |
2975 | u8 op_class; | |
2976 | u8 min_chan; | |
2977 | u8 max_chan; | |
2978 | u8 inc; | |
51222429 | 2979 | enum { BW20, BW40PLUS, BW40MINUS } bw; |
ac8d1011 JM |
2980 | }; |
2981 | ||
931228aa RM |
2982 | static struct p2p_oper_class_map op_class[] = { |
2983 | { HOSTAPD_MODE_IEEE80211G, 81, 1, 13, 1, BW20 }, | |
931228aa RM |
2984 | #if 0 /* Do not enable HT40 on 2 GHz for now */ |
2985 | { HOSTAPD_MODE_IEEE80211G, 83, 1, 9, 1, BW40PLUS }, | |
2986 | { HOSTAPD_MODE_IEEE80211G, 84, 5, 13, 1, BW40MINUS }, | |
2987 | #endif | |
2988 | { HOSTAPD_MODE_IEEE80211A, 115, 36, 48, 4, BW20 }, | |
2989 | { HOSTAPD_MODE_IEEE80211A, 124, 149, 161, 4, BW20 }, | |
2990 | { HOSTAPD_MODE_IEEE80211A, 116, 36, 44, 8, BW40PLUS }, | |
2991 | { HOSTAPD_MODE_IEEE80211A, 117, 40, 48, 8, BW40MINUS }, | |
2992 | { HOSTAPD_MODE_IEEE80211A, 126, 149, 157, 8, BW40PLUS }, | |
2993 | { HOSTAPD_MODE_IEEE80211A, 127, 153, 161, 8, BW40MINUS }, | |
2994 | { -1, 0, 0, 0, 0, BW20 } | |
2995 | }; | |
2996 | ||
2997 | ||
2998 | static int wpas_p2p_verify_channel(struct wpa_supplicant *wpa_s, | |
2999 | struct hostapd_hw_modes *mode, | |
3000 | u8 channel, u8 bw) | |
3001 | { | |
3002 | int flag; | |
3003 | ||
3004 | if (!has_channel(wpa_s->global, mode, channel, &flag)) | |
3005 | return -1; | |
3006 | if (bw == BW40MINUS && | |
3007 | (!(flag & HOSTAPD_CHAN_HT40MINUS) || | |
3008 | !has_channel(wpa_s->global, mode, channel - 4, NULL))) | |
3009 | return 0; | |
3010 | if (bw == BW40PLUS && | |
3011 | (!(flag & HOSTAPD_CHAN_HT40PLUS) || | |
3012 | !has_channel(wpa_s->global, mode, channel + 4, NULL))) | |
3013 | return 0; | |
3014 | return 1; | |
3015 | } | |
3016 | ||
3017 | ||
b22128ef | 3018 | static int wpas_p2p_setup_channels(struct wpa_supplicant *wpa_s, |
ac8d1011 | 3019 | struct p2p_channels *chan) |
b22128ef | 3020 | { |
6bf731e8 | 3021 | struct hostapd_hw_modes *mode; |
ac8d1011 | 3022 | int cla, op; |
b22128ef | 3023 | |
6bf731e8 | 3024 | if (wpa_s->hw.modes == NULL) { |
b22128ef JM |
3025 | wpa_printf(MSG_DEBUG, "P2P: Driver did not support fetching " |
3026 | "of all supported channels; assume dualband " | |
3027 | "support"); | |
ac8d1011 | 3028 | return wpas_p2p_default_channels(wpa_s, chan); |
b22128ef JM |
3029 | } |
3030 | ||
3031 | cla = 0; | |
3032 | ||
ac8d1011 JM |
3033 | for (op = 0; op_class[op].op_class; op++) { |
3034 | struct p2p_oper_class_map *o = &op_class[op]; | |
3035 | u8 ch; | |
3036 | struct p2p_reg_class *reg = NULL; | |
b22128ef | 3037 | |
6bf731e8 | 3038 | mode = get_mode(wpa_s->hw.modes, wpa_s->hw.num_modes, o->mode); |
ac8d1011 JM |
3039 | if (mode == NULL) |
3040 | continue; | |
3041 | for (ch = o->min_chan; ch <= o->max_chan; ch += o->inc) { | |
931228aa | 3042 | if (wpas_p2p_verify_channel(wpa_s, mode, ch, o->bw) < 1) |
ac8d1011 JM |
3043 | continue; |
3044 | if (reg == NULL) { | |
3045 | wpa_printf(MSG_DEBUG, "P2P: Add operating " | |
3046 | "class %u", o->op_class); | |
3047 | reg = &chan->reg_class[cla]; | |
3048 | cla++; | |
3049 | reg->reg_class = o->op_class; | |
3050 | } | |
3051 | reg->channel[reg->channels] = ch; | |
3052 | reg->channels++; | |
3053 | } | |
3054 | if (reg) { | |
3055 | wpa_hexdump(MSG_DEBUG, "P2P: Channels", | |
3056 | reg->channel, reg->channels); | |
3057 | } | |
b22128ef JM |
3058 | } |
3059 | ||
ac8d1011 | 3060 | chan->reg_classes = cla; |
b22128ef | 3061 | |
b22128ef JM |
3062 | return 0; |
3063 | } | |
3064 | ||
3065 | ||
7aeac985 RM |
3066 | int wpas_p2p_get_ht40_mode(struct wpa_supplicant *wpa_s, |
3067 | struct hostapd_hw_modes *mode, u8 channel) | |
3068 | { | |
3069 | int op, ret; | |
3070 | ||
3071 | for (op = 0; op_class[op].op_class; op++) { | |
3072 | struct p2p_oper_class_map *o = &op_class[op]; | |
3073 | u8 ch; | |
3074 | ||
3075 | for (ch = o->min_chan; ch <= o->max_chan; ch += o->inc) { | |
3076 | if (o->mode != HOSTAPD_MODE_IEEE80211A || | |
3077 | o->bw == BW20 || ch != channel) | |
3078 | continue; | |
3079 | ret = wpas_p2p_verify_channel(wpa_s, mode, ch, o->bw); | |
3080 | if (ret < 0) | |
3081 | continue; | |
3082 | else if (ret > 0) | |
3083 | return (o->bw == BW40MINUS) ? -1 : 1; | |
3084 | else | |
3085 | return 0; | |
3086 | } | |
3087 | } | |
3088 | return 0; | |
3089 | } | |
3090 | ||
3091 | ||
b22128ef JM |
3092 | static int wpas_get_noa(void *ctx, const u8 *interface_addr, u8 *buf, |
3093 | size_t buf_len) | |
3094 | { | |
3095 | struct wpa_supplicant *wpa_s = ctx; | |
3096 | ||
3097 | for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) { | |
3098 | if (os_memcmp(wpa_s->own_addr, interface_addr, ETH_ALEN) == 0) | |
3099 | break; | |
3100 | } | |
3101 | if (wpa_s == NULL) | |
3102 | return -1; | |
3103 | ||
3104 | return wpa_drv_get_noa(wpa_s, buf, buf_len); | |
3105 | } | |
3106 | ||
3107 | ||
b1aebbc4 JM |
3108 | static int wpas_go_connected(void *ctx, const u8 *dev_addr) |
3109 | { | |
3110 | struct wpa_supplicant *wpa_s = ctx; | |
3111 | ||
3112 | for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) { | |
3113 | struct wpa_ssid *ssid = wpa_s->current_ssid; | |
3114 | if (ssid == NULL) | |
3115 | continue; | |
3116 | if (ssid->mode != WPAS_MODE_INFRA) | |
3117 | continue; | |
d9a0f666 PN |
3118 | if (wpa_s->wpa_state != WPA_COMPLETED && |
3119 | wpa_s->wpa_state != WPA_GROUP_HANDSHAKE) | |
b1aebbc4 JM |
3120 | continue; |
3121 | if (os_memcmp(wpa_s->go_dev_addr, dev_addr, ETH_ALEN) == 0) | |
3122 | return 1; | |
3123 | } | |
3124 | ||
3125 | return 0; | |
3126 | } | |
3127 | ||
3128 | ||
ed496f13 JM |
3129 | static void wpas_p2p_debug_print(void *ctx, int level, const char *msg) |
3130 | { | |
3131 | struct wpa_supplicant *wpa_s = ctx; | |
92c4465b | 3132 | wpa_msg_global(wpa_s, level, "P2P: %s", msg); |
ed496f13 JM |
3133 | } |
3134 | ||
3135 | ||
c68f6200 AS |
3136 | int wpas_p2p_add_p2pdev_interface(struct wpa_supplicant *wpa_s) |
3137 | { | |
3138 | struct wpa_interface iface; | |
3139 | struct wpa_supplicant *p2pdev_wpa_s; | |
3140 | char ifname[100]; | |
3141 | char force_name[100]; | |
3142 | int ret; | |
3143 | ||
2e5ba4b6 AS |
3144 | os_snprintf(ifname, sizeof(ifname), P2P_MGMT_DEVICE_PREFIX "%s", |
3145 | wpa_s->ifname); | |
c68f6200 AS |
3146 | force_name[0] = '\0'; |
3147 | wpa_s->pending_interface_type = WPA_IF_P2P_DEVICE; | |
3148 | ret = wpa_drv_if_add(wpa_s, WPA_IF_P2P_DEVICE, ifname, NULL, NULL, | |
3149 | force_name, wpa_s->pending_interface_addr, NULL); | |
3150 | if (ret < 0) { | |
3151 | wpa_printf(MSG_DEBUG, "P2P: Failed to create P2P Device interface"); | |
3152 | return ret; | |
3153 | } | |
3154 | os_strlcpy(wpa_s->pending_interface_name, ifname, | |
3155 | sizeof(wpa_s->pending_interface_name)); | |
3156 | ||
3157 | os_memset(&iface, 0, sizeof(iface)); | |
3158 | iface.p2p_mgmt = 1; | |
3159 | iface.ifname = wpa_s->pending_interface_name; | |
3160 | iface.driver = wpa_s->driver->name; | |
c68f6200 AS |
3161 | iface.driver_param = wpa_s->conf->driver_param; |
3162 | iface.confname = wpa_s->confname; | |
3163 | p2pdev_wpa_s = wpa_supplicant_add_iface(wpa_s->global, &iface); | |
3164 | if (!p2pdev_wpa_s) { | |
3165 | wpa_printf(MSG_DEBUG, "P2P: Failed to add P2P Device interface"); | |
3166 | return -1; | |
3167 | } | |
78f79fe5 | 3168 | p2pdev_wpa_s->parent = wpa_s; |
c68f6200 AS |
3169 | |
3170 | wpa_s->pending_interface_name[0] = '\0'; | |
3171 | return 0; | |
3172 | } | |
3173 | ||
3174 | ||
b22128ef JM |
3175 | /** |
3176 | * wpas_p2p_init - Initialize P2P module for %wpa_supplicant | |
3177 | * @global: Pointer to global data from wpa_supplicant_init() | |
3178 | * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface() | |
3179 | * Returns: 0 on success, -1 on failure | |
3180 | */ | |
3181 | int wpas_p2p_init(struct wpa_global *global, struct wpa_supplicant *wpa_s) | |
3182 | { | |
3183 | struct p2p_config p2p; | |
3184 | unsigned int r; | |
f95cac27 | 3185 | int i; |
b22128ef | 3186 | |
f2b3f4de SS |
3187 | if (wpa_s->conf->p2p_disabled) |
3188 | return 0; | |
3189 | ||
b22128ef JM |
3190 | if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE)) |
3191 | return 0; | |
3192 | ||
b22128ef JM |
3193 | if (global->p2p) |
3194 | return 0; | |
3195 | ||
3ac17eba JM |
3196 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) { |
3197 | struct p2p_params params; | |
3198 | ||
3199 | wpa_printf(MSG_DEBUG, "P2P: Use driver-based P2P management"); | |
3200 | os_memset(¶ms, 0, sizeof(params)); | |
3201 | params.dev_name = wpa_s->conf->device_name; | |
2f646b6e JB |
3202 | os_memcpy(params.pri_dev_type, wpa_s->conf->device_type, |
3203 | WPS_DEV_TYPE_LEN); | |
3204 | params.num_sec_dev_types = wpa_s->conf->num_sec_device_types; | |
3205 | os_memcpy(params.sec_dev_type, | |
3206 | wpa_s->conf->sec_device_type, | |
3207 | params.num_sec_dev_types * WPS_DEV_TYPE_LEN); | |
3208 | ||
3ac17eba JM |
3209 | if (wpa_drv_p2p_set_params(wpa_s, ¶ms) < 0) |
3210 | return -1; | |
3211 | ||
3212 | return 0; | |
3213 | } | |
3214 | ||
b22128ef | 3215 | os_memset(&p2p, 0, sizeof(p2p)); |
b22128ef | 3216 | p2p.cb_ctx = wpa_s; |
ed496f13 | 3217 | p2p.debug_print = wpas_p2p_debug_print; |
b22128ef JM |
3218 | p2p.p2p_scan = wpas_p2p_scan; |
3219 | p2p.send_action = wpas_send_action; | |
3220 | p2p.send_action_done = wpas_send_action_done; | |
3221 | p2p.go_neg_completed = wpas_go_neg_completed; | |
3222 | p2p.go_neg_req_rx = wpas_go_neg_req_rx; | |
3223 | p2p.dev_found = wpas_dev_found; | |
56eeb8f2 | 3224 | p2p.dev_lost = wpas_dev_lost; |
710ae9ac | 3225 | p2p.find_stopped = wpas_find_stopped; |
b22128ef JM |
3226 | p2p.start_listen = wpas_start_listen; |
3227 | p2p.stop_listen = wpas_stop_listen; | |
3228 | p2p.send_probe_resp = wpas_send_probe_resp; | |
3229 | p2p.sd_request = wpas_sd_request; | |
3230 | p2p.sd_response = wpas_sd_response; | |
3231 | p2p.prov_disc_req = wpas_prov_disc_req; | |
3232 | p2p.prov_disc_resp = wpas_prov_disc_resp; | |
dd8a7e05 | 3233 | p2p.prov_disc_fail = wpas_prov_disc_fail; |
b22128ef JM |
3234 | p2p.invitation_process = wpas_invitation_process; |
3235 | p2p.invitation_received = wpas_invitation_received; | |
3236 | p2p.invitation_result = wpas_invitation_result; | |
3237 | p2p.get_noa = wpas_get_noa; | |
b1aebbc4 | 3238 | p2p.go_connected = wpas_go_connected; |
b22128ef JM |
3239 | |
3240 | os_memcpy(wpa_s->global->p2p_dev_addr, wpa_s->own_addr, ETH_ALEN); | |
d7e70476 | 3241 | os_memcpy(p2p.dev_addr, wpa_s->global->p2p_dev_addr, ETH_ALEN); |
b22128ef | 3242 | p2p.dev_name = wpa_s->conf->device_name; |
b6e01800 JM |
3243 | p2p.manufacturer = wpa_s->conf->manufacturer; |
3244 | p2p.model_name = wpa_s->conf->model_name; | |
3245 | p2p.model_number = wpa_s->conf->model_number; | |
3246 | p2p.serial_number = wpa_s->conf->serial_number; | |
3247 | if (wpa_s->wps) { | |
3248 | os_memcpy(p2p.uuid, wpa_s->wps->uuid, 16); | |
3249 | p2p.config_methods = wpa_s->wps->config_methods; | |
3250 | } | |
b22128ef JM |
3251 | |
3252 | if (wpa_s->conf->p2p_listen_reg_class && | |
3253 | wpa_s->conf->p2p_listen_channel) { | |
3254 | p2p.reg_class = wpa_s->conf->p2p_listen_reg_class; | |
3255 | p2p.channel = wpa_s->conf->p2p_listen_channel; | |
3256 | } else { | |
3257 | p2p.reg_class = 81; | |
3258 | /* | |
3259 | * Pick one of the social channels randomly as the listen | |
3260 | * channel. | |
3261 | */ | |
3262 | os_get_random((u8 *) &r, sizeof(r)); | |
3263 | p2p.channel = 1 + (r % 3) * 5; | |
3264 | } | |
7cfc4ac3 | 3265 | wpa_printf(MSG_DEBUG, "P2P: Own listen channel: %d", p2p.channel); |
b22128ef JM |
3266 | |
3267 | if (wpa_s->conf->p2p_oper_reg_class && | |
3268 | wpa_s->conf->p2p_oper_channel) { | |
3269 | p2p.op_reg_class = wpa_s->conf->p2p_oper_reg_class; | |
3270 | p2p.op_channel = wpa_s->conf->p2p_oper_channel; | |
7cfc4ac3 AGS |
3271 | p2p.cfg_op_channel = 1; |
3272 | wpa_printf(MSG_DEBUG, "P2P: Configured operating channel: " | |
3273 | "%d:%d", p2p.op_reg_class, p2p.op_channel); | |
3274 | ||
b22128ef JM |
3275 | } else { |
3276 | p2p.op_reg_class = 81; | |
3277 | /* | |
7cfc4ac3 AGS |
3278 | * Use random operation channel from (1, 6, 11) if no other |
3279 | * preference is indicated. | |
b22128ef | 3280 | */ |
b7412dab | 3281 | os_get_random((u8 *) &r, sizeof(r)); |
7cfc4ac3 AGS |
3282 | p2p.op_channel = 1 + (r % 3) * 5; |
3283 | p2p.cfg_op_channel = 0; | |
3284 | wpa_printf(MSG_DEBUG, "P2P: Random operating channel: " | |
3285 | "%d:%d", p2p.op_reg_class, p2p.op_channel); | |
b22128ef | 3286 | } |
010b5f9b YW |
3287 | |
3288 | if (wpa_s->conf->p2p_pref_chan && wpa_s->conf->num_p2p_pref_chan) { | |
3289 | p2p.pref_chan = wpa_s->conf->p2p_pref_chan; | |
3290 | p2p.num_pref_chan = wpa_s->conf->num_p2p_pref_chan; | |
3291 | } | |
3292 | ||
b22128ef JM |
3293 | if (wpa_s->conf->country[0] && wpa_s->conf->country[1]) { |
3294 | os_memcpy(p2p.country, wpa_s->conf->country, 2); | |
3295 | p2p.country[2] = 0x04; | |
3296 | } else | |
aaca6505 | 3297 | os_memcpy(p2p.country, "XX\x04", 3); |
b22128ef | 3298 | |
ac8d1011 | 3299 | if (wpas_p2p_setup_channels(wpa_s, &p2p.channels)) { |
b22128ef JM |
3300 | wpa_printf(MSG_ERROR, "P2P: Failed to configure supported " |
3301 | "channel list"); | |
3302 | return -1; | |
3303 | } | |
3304 | ||
2f646b6e JB |
3305 | os_memcpy(p2p.pri_dev_type, wpa_s->conf->device_type, |
3306 | WPS_DEV_TYPE_LEN); | |
b22128ef | 3307 | |
2f646b6e JB |
3308 | p2p.num_sec_dev_types = wpa_s->conf->num_sec_device_types; |
3309 | os_memcpy(p2p.sec_dev_type, wpa_s->conf->sec_device_type, | |
3310 | p2p.num_sec_dev_types * WPS_DEV_TYPE_LEN); | |
b22128ef JM |
3311 | |
3312 | p2p.concurrent_operations = !!(wpa_s->drv_flags & | |
3313 | WPA_DRIVER_FLAGS_P2P_CONCURRENT); | |
3314 | ||
de979d8f | 3315 | p2p.max_peers = 100; |
b22128ef JM |
3316 | |
3317 | if (wpa_s->conf->p2p_ssid_postfix) { | |
3318 | p2p.ssid_postfix_len = | |
3319 | os_strlen(wpa_s->conf->p2p_ssid_postfix); | |
3320 | if (p2p.ssid_postfix_len > sizeof(p2p.ssid_postfix)) | |
3321 | p2p.ssid_postfix_len = sizeof(p2p.ssid_postfix); | |
3322 | os_memcpy(p2p.ssid_postfix, wpa_s->conf->p2p_ssid_postfix, | |
3323 | p2p.ssid_postfix_len); | |
3324 | } | |
3325 | ||
0f66abd2 SS |
3326 | p2p.p2p_intra_bss = wpa_s->conf->p2p_intra_bss; |
3327 | ||
96beff11 JM |
3328 | p2p.max_listen = wpa_s->max_remain_on_chan; |
3329 | ||
b22128ef JM |
3330 | global->p2p = p2p_init(&p2p); |
3331 | if (global->p2p == NULL) | |
3332 | return -1; | |
ab28911d | 3333 | global->p2p_init_wpa_s = wpa_s; |
b22128ef | 3334 | |
f95cac27 JMB |
3335 | for (i = 0; i < MAX_WPS_VENDOR_EXT; i++) { |
3336 | if (wpa_s->conf->wps_vendor_ext[i] == NULL) | |
3337 | continue; | |
3338 | p2p_add_wps_vendor_extension( | |
3339 | global->p2p, wpa_s->conf->wps_vendor_ext[i]); | |
3340 | } | |
3341 | ||
b22128ef JM |
3342 | return 0; |
3343 | } | |
3344 | ||
3345 | ||
3346 | /** | |
3347 | * wpas_p2p_deinit - Deinitialize per-interface P2P data | |
3348 | * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface() | |
3349 | * | |
3350 | * This function deinitialize per-interface P2P data. | |
3351 | */ | |
3352 | void wpas_p2p_deinit(struct wpa_supplicant *wpa_s) | |
3353 | { | |
3354 | if (wpa_s->driver && wpa_s->drv_priv) | |
3355 | wpa_drv_probe_req_report(wpa_s, 0); | |
ec437d9e JJ |
3356 | |
3357 | if (wpa_s->go_params) { | |
3358 | /* Clear any stored provisioning info */ | |
3359 | p2p_clear_provisioning_info( | |
3360 | wpa_s->global->p2p, | |
10531d21 | 3361 | wpa_s->go_params->peer_device_addr); |
ec437d9e JJ |
3362 | } |
3363 | ||
b22128ef JM |
3364 | os_free(wpa_s->go_params); |
3365 | wpa_s->go_params = NULL; | |
b22128ef | 3366 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL); |
ef922c4a | 3367 | eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL); |
b22128ef JM |
3368 | wpa_s->p2p_long_listen = 0; |
3369 | eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL); | |
3071e181 | 3370 | eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL); |
b22128ef JM |
3371 | wpas_p2p_remove_pending_group_interface(wpa_s); |
3372 | ||
3373 | /* TODO: remove group interface from the driver if this wpa_s instance | |
3374 | * is on top of a P2P group interface */ | |
3375 | } | |
3376 | ||
3377 | ||
3378 | /** | |
3379 | * wpas_p2p_deinit_global - Deinitialize global P2P module | |
3380 | * @global: Pointer to global data from wpa_supplicant_init() | |
3381 | * | |
3382 | * This function deinitializes the global (per device) P2P module. | |
3383 | */ | |
3384 | void wpas_p2p_deinit_global(struct wpa_global *global) | |
3385 | { | |
3386 | struct wpa_supplicant *wpa_s, *tmp; | |
b22128ef | 3387 | |
bf428a73 JM |
3388 | wpa_s = global->ifaces; |
3389 | if (wpa_s) | |
3390 | wpas_p2p_service_flush(wpa_s); | |
3391 | ||
b22128ef JM |
3392 | if (global->p2p == NULL) |
3393 | return; | |
3394 | ||
3395 | /* Remove remaining P2P group interfaces */ | |
b22128ef JM |
3396 | while (wpa_s && wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE) |
3397 | wpa_s = wpa_s->next; | |
3398 | while (wpa_s) { | |
b22128ef JM |
3399 | tmp = global->ifaces; |
3400 | while (tmp && | |
3401 | (tmp == wpa_s || | |
3402 | tmp->p2p_group_interface == NOT_P2P_GROUP_INTERFACE)) { | |
3403 | tmp = tmp->next; | |
3404 | } | |
3405 | if (tmp == NULL) | |
3406 | break; | |
103b8f4d NS |
3407 | /* Disconnect from the P2P group and deinit the interface */ |
3408 | wpas_p2p_disconnect(tmp); | |
b22128ef JM |
3409 | } |
3410 | ||
743ef799 JM |
3411 | /* |
3412 | * Deinit GO data on any possibly remaining interface (if main | |
3413 | * interface is used as GO). | |
3414 | */ | |
3415 | for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) { | |
3416 | if (wpa_s->ap_iface) | |
3417 | wpas_p2p_group_deinit(wpa_s); | |
3418 | } | |
3419 | ||
b22128ef JM |
3420 | p2p_deinit(global->p2p); |
3421 | global->p2p = NULL; | |
ab28911d | 3422 | global->p2p_init_wpa_s = NULL; |
b22128ef JM |
3423 | } |
3424 | ||
3425 | ||
3426 | static int wpas_p2p_create_iface(struct wpa_supplicant *wpa_s) | |
3427 | { | |
bb4028f1 AS |
3428 | if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE) && |
3429 | wpa_s->conf->p2p_no_group_iface) | |
d76cd41a | 3430 | return 0; /* separate interface disabled per configuration */ |
971e357f JM |
3431 | if (wpa_s->drv_flags & |
3432 | (WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE | | |
3433 | WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P)) | |
b22128ef JM |
3434 | return 1; /* P2P group requires a new interface in every case |
3435 | */ | |
3436 | if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CONCURRENT)) | |
3437 | return 0; /* driver does not support concurrent operations */ | |
3438 | if (wpa_s->global->ifaces->next) | |
3439 | return 1; /* more that one interface already in use */ | |
3440 | if (wpa_s->wpa_state >= WPA_AUTHENTICATING) | |
3441 | return 1; /* this interface is already in use */ | |
3442 | return 0; | |
3443 | } | |
3444 | ||
3445 | ||
3446 | static int wpas_p2p_start_go_neg(struct wpa_supplicant *wpa_s, | |
3447 | const u8 *peer_addr, | |
3448 | enum p2p_wps_method wps_method, | |
3449 | int go_intent, const u8 *own_interface_addr, | |
23c84252 | 3450 | unsigned int force_freq, int persistent_group, |
04a3e69d | 3451 | struct wpa_ssid *ssid, unsigned int pref_freq) |
b22128ef | 3452 | { |
acc247b2 JM |
3453 | if (persistent_group && wpa_s->conf->persistent_reconnect) |
3454 | persistent_group = 2; | |
3455 | ||
3ac17eba JM |
3456 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) { |
3457 | return wpa_drv_p2p_connect(wpa_s, peer_addr, wps_method, | |
3458 | go_intent, own_interface_addr, | |
3459 | force_freq, persistent_group); | |
3460 | } | |
3461 | ||
4f219667 JM |
3462 | /* |
3463 | * Increase GO config timeout if HT40 is used since it takes some time | |
3464 | * to scan channels for coex purposes before the BSS can be started. | |
3465 | */ | |
3466 | p2p_set_config_timeout(wpa_s->global->p2p, | |
3467 | wpa_s->p2p_go_ht40 ? 255 : 100, 20); | |
3468 | ||
b22128ef JM |
3469 | return p2p_connect(wpa_s->global->p2p, peer_addr, wps_method, |
3470 | go_intent, own_interface_addr, force_freq, | |
23c84252 | 3471 | persistent_group, ssid ? ssid->ssid : NULL, |
3bc462cb | 3472 | ssid ? ssid->ssid_len : 0, |
04a3e69d | 3473 | wpa_s->p2p_pd_before_go_neg, pref_freq); |
b22128ef JM |
3474 | } |
3475 | ||
3476 | ||
3477 | static int wpas_p2p_auth_go_neg(struct wpa_supplicant *wpa_s, | |
3478 | const u8 *peer_addr, | |
3479 | enum p2p_wps_method wps_method, | |
3480 | int go_intent, const u8 *own_interface_addr, | |
23c84252 | 3481 | unsigned int force_freq, int persistent_group, |
04a3e69d | 3482 | struct wpa_ssid *ssid, unsigned int pref_freq) |
b22128ef | 3483 | { |
acc247b2 JM |
3484 | if (persistent_group && wpa_s->conf->persistent_reconnect) |
3485 | persistent_group = 2; | |
3486 | ||
3ac17eba JM |
3487 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
3488 | return -1; | |
3489 | ||
b22128ef JM |
3490 | return p2p_authorize(wpa_s->global->p2p, peer_addr, wps_method, |
3491 | go_intent, own_interface_addr, force_freq, | |
23c84252 | 3492 | persistent_group, ssid ? ssid->ssid : NULL, |
04a3e69d | 3493 | ssid ? ssid->ssid_len : 0, pref_freq); |
b22128ef JM |
3494 | } |
3495 | ||
3496 | ||
9b1ab931 JM |
3497 | static void wpas_p2p_check_join_scan_limit(struct wpa_supplicant *wpa_s) |
3498 | { | |
3499 | wpa_s->p2p_join_scan_count++; | |
3500 | wpa_printf(MSG_DEBUG, "P2P: Join scan attempt %d", | |
3501 | wpa_s->p2p_join_scan_count); | |
3502 | if (wpa_s->p2p_join_scan_count > P2P_MAX_JOIN_SCAN_ATTEMPTS) { | |
3503 | wpa_printf(MSG_DEBUG, "P2P: Failed to find GO " MACSTR | |
3504 | " for join operationg - stop join attempt", | |
3505 | MAC2STR(wpa_s->pending_join_iface_addr)); | |
3506 | eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL); | |
0918c4bf JM |
3507 | if (wpa_s->p2p_auto_pd) { |
3508 | wpa_s->p2p_auto_pd = 0; | |
92c4465b JM |
3509 | wpa_msg_global(wpa_s, MSG_INFO, |
3510 | P2P_EVENT_PROV_DISC_FAILURE | |
3511 | " p2p_dev_addr=" MACSTR " status=N/A", | |
3512 | MAC2STR(wpa_s->pending_join_dev_addr)); | |
0918c4bf JM |
3513 | return; |
3514 | } | |
92c4465b JM |
3515 | wpa_msg_global(wpa_s->parent, MSG_INFO, |
3516 | P2P_EVENT_GROUP_FORMATION_FAILURE); | |
9b1ab931 JM |
3517 | } |
3518 | } | |
3519 | ||
3520 | ||
4b156206 JM |
3521 | static int wpas_check_freq_conflict(struct wpa_supplicant *wpa_s, int freq) |
3522 | { | |
0d08efa4 | 3523 | int *freqs, res, num, i; |
4b156206 | 3524 | |
0d08efa4 IP |
3525 | if (wpas_p2p_num_unused_channels(wpa_s) > 0) { |
3526 | /* Multiple channels are supported and not all are in use */ | |
4b156206 | 3527 | return 0; |
0d08efa4 | 3528 | } |
4b156206 | 3529 | |
0d08efa4 IP |
3530 | freqs = os_calloc(wpa_s->num_multichan_concurrent, sizeof(int)); |
3531 | if (!freqs) | |
3532 | return 1; | |
86ae2e8a | 3533 | |
0d08efa4 IP |
3534 | num = wpas_p2p_valid_oper_freqs(wpa_s, freqs, |
3535 | wpa_s->num_multichan_concurrent); | |
3536 | if (num < 0) { | |
3537 | res = 1; | |
3538 | goto exit_free; | |
4b156206 JM |
3539 | } |
3540 | ||
0d08efa4 IP |
3541 | for (i = 0; i < num; i++) { |
3542 | if (freqs[i] == freq) { | |
3543 | wpa_printf(MSG_DEBUG, "P2P: Frequency %d MHz in use by another virtual interface and can be used", | |
3544 | freq); | |
3545 | res = 0; | |
3546 | goto exit_free; | |
3547 | } | |
4b156206 JM |
3548 | } |
3549 | ||
0d08efa4 IP |
3550 | res = 1; |
3551 | ||
3552 | exit_free: | |
3553 | os_free(freqs); | |
3554 | return res; | |
4b156206 JM |
3555 | } |
3556 | ||
3557 | ||
b31be3a0 JM |
3558 | static int wpas_p2p_peer_go(struct wpa_supplicant *wpa_s, |
3559 | const u8 *peer_dev_addr) | |
3560 | { | |
3561 | struct wpa_bss *bss; | |
3562 | int updated; | |
3563 | ||
3564 | bss = wpa_bss_get_p2p_dev_addr(wpa_s, peer_dev_addr); | |
3565 | if (bss == NULL) | |
aa9bb764 | 3566 | return -1; |
b31be3a0 JM |
3567 | if (bss->last_update_idx < wpa_s->bss_update_idx) { |
3568 | wpa_printf(MSG_DEBUG, "P2P: Peer BSS entry not updated in the " | |
3569 | "last scan"); | |
3570 | return 0; | |
3571 | } | |
3572 | ||
3573 | updated = os_time_before(&wpa_s->p2p_auto_started, &bss->last_update); | |
3574 | wpa_printf(MSG_DEBUG, "P2P: Current BSS entry for peer updated at " | |
3575 | "%ld.%06ld (%supdated in last scan)", | |
3576 | bss->last_update.sec, bss->last_update.usec, | |
3577 | updated ? "": "not "); | |
3578 | ||
3579 | return updated; | |
3580 | } | |
3581 | ||
3582 | ||
ef922c4a JM |
3583 | static void wpas_p2p_scan_res_join(struct wpa_supplicant *wpa_s, |
3584 | struct wpa_scan_results *scan_res) | |
b22128ef JM |
3585 | { |
3586 | struct wpa_bss *bss; | |
f8d0131a | 3587 | int freq; |
54960629 | 3588 | u8 iface_addr[ETH_ALEN]; |
b22128ef | 3589 | |
ef922c4a | 3590 | eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL); |
b22128ef | 3591 | |
ef922c4a JM |
3592 | if (wpa_s->global->p2p_disabled) |
3593 | return; | |
b22128ef | 3594 | |
b31be3a0 JM |
3595 | wpa_printf(MSG_DEBUG, "P2P: Scan results received (%d BSS) for %sjoin", |
3596 | scan_res ? (int) scan_res->num : -1, | |
3597 | wpa_s->p2p_auto_join ? "auto_" : ""); | |
ef922c4a JM |
3598 | |
3599 | if (scan_res) | |
3600 | wpas_p2p_scan_res_handler(wpa_s, scan_res); | |
b22128ef | 3601 | |
0918c4bf JM |
3602 | if (wpa_s->p2p_auto_pd) { |
3603 | int join = wpas_p2p_peer_go(wpa_s, | |
3604 | wpa_s->pending_join_dev_addr); | |
84286a22 SDU |
3605 | if (join == 0 && |
3606 | wpa_s->auto_pd_scan_retry < P2P_AUTO_PD_SCAN_ATTEMPTS) { | |
3607 | wpa_s->auto_pd_scan_retry++; | |
702621e6 JM |
3608 | bss = wpa_bss_get_bssid_latest( |
3609 | wpa_s, wpa_s->pending_join_dev_addr); | |
84286a22 SDU |
3610 | if (bss) { |
3611 | freq = bss->freq; | |
3612 | wpa_printf(MSG_DEBUG, "P2P: Scan retry %d for " | |
3613 | "the peer " MACSTR " at %d MHz", | |
3614 | wpa_s->auto_pd_scan_retry, | |
3615 | MAC2STR(wpa_s-> | |
3616 | pending_join_dev_addr), | |
3617 | freq); | |
3618 | wpas_p2p_join_scan_req(wpa_s, freq); | |
3619 | return; | |
3620 | } | |
3621 | } | |
3622 | ||
aa9bb764 JM |
3623 | if (join < 0) |
3624 | join = 0; | |
84286a22 | 3625 | |
0918c4bf JM |
3626 | wpa_s->p2p_auto_pd = 0; |
3627 | wpa_s->pending_pd_use = join ? AUTO_PD_JOIN : AUTO_PD_GO_NEG; | |
3628 | wpa_printf(MSG_DEBUG, "P2P: Auto PD with " MACSTR " join=%d", | |
3629 | MAC2STR(wpa_s->pending_join_dev_addr), join); | |
3630 | if (p2p_prov_disc_req(wpa_s->global->p2p, | |
3631 | wpa_s->pending_join_dev_addr, | |
3632 | wpa_s->pending_pd_config_methods, join, | |
67527166 | 3633 | 0, wpa_s->user_initiated_pd) < 0) { |
0918c4bf | 3634 | wpa_s->p2p_auto_pd = 0; |
92c4465b JM |
3635 | wpa_msg_global(wpa_s, MSG_INFO, |
3636 | P2P_EVENT_PROV_DISC_FAILURE | |
3637 | " p2p_dev_addr=" MACSTR " status=N/A", | |
3638 | MAC2STR(wpa_s->pending_join_dev_addr)); | |
0918c4bf JM |
3639 | } |
3640 | return; | |
3641 | } | |
3642 | ||
b31be3a0 | 3643 | if (wpa_s->p2p_auto_join) { |
aa9bb764 JM |
3644 | int join = wpas_p2p_peer_go(wpa_s, |
3645 | wpa_s->pending_join_dev_addr); | |
3646 | if (join < 0) { | |
b31be3a0 JM |
3647 | wpa_printf(MSG_DEBUG, "P2P: Peer was not found to be " |
3648 | "running a GO -> use GO Negotiation"); | |
3649 | wpas_p2p_connect(wpa_s, wpa_s->pending_join_dev_addr, | |
3650 | wpa_s->p2p_pin, wpa_s->p2p_wps_method, | |
3651 | wpa_s->p2p_persistent_group, 0, 0, 0, | |
3652 | wpa_s->p2p_go_intent, | |
23c84252 | 3653 | wpa_s->p2p_connect_freq, |
3bc462cb | 3654 | wpa_s->p2p_persistent_id, |
e2308e4b RM |
3655 | wpa_s->p2p_pd_before_go_neg, |
3656 | wpa_s->p2p_go_ht40); | |
b31be3a0 JM |
3657 | return; |
3658 | } | |
3659 | ||
aa9bb764 JM |
3660 | wpa_printf(MSG_DEBUG, "P2P: Peer was found running GO%s -> " |
3661 | "try to join the group", join ? "" : | |
3662 | " in older scan"); | |
3663 | if (!join) | |
3664 | wpa_s->p2p_fallback_to_go_neg = 1; | |
b31be3a0 JM |
3665 | } |
3666 | ||
f8d0131a JM |
3667 | freq = p2p_get_oper_freq(wpa_s->global->p2p, |
3668 | wpa_s->pending_join_iface_addr); | |
54960629 AL |
3669 | if (freq < 0 && |
3670 | p2p_get_interface_addr(wpa_s->global->p2p, | |
3671 | wpa_s->pending_join_dev_addr, | |
3672 | iface_addr) == 0 && | |
3673 | os_memcmp(iface_addr, wpa_s->pending_join_dev_addr, ETH_ALEN) != 0) | |
3674 | { | |
3675 | wpa_printf(MSG_DEBUG, "P2P: Overwrite pending interface " | |
3676 | "address for join from " MACSTR " to " MACSTR | |
3677 | " based on newly discovered P2P peer entry", | |
3678 | MAC2STR(wpa_s->pending_join_iface_addr), | |
3679 | MAC2STR(iface_addr)); | |
3680 | os_memcpy(wpa_s->pending_join_iface_addr, iface_addr, | |
3681 | ETH_ALEN); | |
3682 | ||
3683 | freq = p2p_get_oper_freq(wpa_s->global->p2p, | |
3684 | wpa_s->pending_join_iface_addr); | |
3685 | } | |
f8d0131a JM |
3686 | if (freq >= 0) { |
3687 | wpa_printf(MSG_DEBUG, "P2P: Target GO operating frequency " | |
3688 | "from P2P peer table: %d MHz", freq); | |
3689 | } | |
702621e6 | 3690 | bss = wpa_bss_get_bssid_latest(wpa_s, wpa_s->pending_join_iface_addr); |
b22128ef | 3691 | if (bss) { |
f8d0131a JM |
3692 | freq = bss->freq; |
3693 | wpa_printf(MSG_DEBUG, "P2P: Target GO operating frequency " | |
3694 | "from BSS table: %d MHz", freq); | |
3695 | } | |
3696 | if (freq > 0) { | |
b22128ef JM |
3697 | u16 method; |
3698 | ||
4b156206 | 3699 | if (wpas_check_freq_conflict(wpa_s, freq) > 0) { |
92c4465b JM |
3700 | wpa_msg_global(wpa_s->parent, MSG_INFO, |
3701 | P2P_EVENT_GROUP_FORMATION_FAILURE | |
3702 | "reason=FREQ_CONFLICT"); | |
4b156206 JM |
3703 | return; |
3704 | } | |
3705 | ||
b22128ef JM |
3706 | wpa_printf(MSG_DEBUG, "P2P: Send Provision Discovery Request " |
3707 | "prior to joining an existing group (GO " MACSTR | |
3708 | " freq=%u MHz)", | |
f8d0131a | 3709 | MAC2STR(wpa_s->pending_join_dev_addr), freq); |
b22128ef JM |
3710 | wpa_s->pending_pd_before_join = 1; |
3711 | ||
ef922c4a | 3712 | switch (wpa_s->pending_join_wps_method) { |
b22128ef JM |
3713 | case WPS_PIN_DISPLAY: |
3714 | method = WPS_CONFIG_KEYPAD; | |
3715 | break; | |
3716 | case WPS_PIN_KEYPAD: | |
3717 | method = WPS_CONFIG_DISPLAY; | |
3718 | break; | |
3719 | case WPS_PBC: | |
3720 | method = WPS_CONFIG_PUSHBUTTON; | |
3721 | break; | |
3722 | default: | |
3723 | method = 0; | |
3724 | break; | |
3725 | } | |
3726 | ||
ec437d9e JJ |
3727 | if ((p2p_get_provisioning_info(wpa_s->global->p2p, |
3728 | wpa_s->pending_join_dev_addr) == | |
3729 | method)) { | |
3730 | /* | |
3731 | * We have already performed provision discovery for | |
3732 | * joining the group. Proceed directly to join | |
3733 | * operation without duplicated provision discovery. */ | |
e3a0706b | 3734 | wpa_printf(MSG_DEBUG, "P2P: Provision discovery " |
ec437d9e JJ |
3735 | "with " MACSTR " already done - proceed to " |
3736 | "join", | |
3737 | MAC2STR(wpa_s->pending_join_dev_addr)); | |
3738 | wpa_s->pending_pd_before_join = 0; | |
3739 | goto start; | |
3740 | } | |
3741 | ||
ef922c4a | 3742 | if (p2p_prov_disc_req(wpa_s->global->p2p, |
1ef2f7ff | 3743 | wpa_s->pending_join_dev_addr, method, 1, |
67527166 | 3744 | freq, wpa_s->user_initiated_pd) < 0) { |
b22128ef JM |
3745 | wpa_printf(MSG_DEBUG, "P2P: Failed to send Provision " |
3746 | "Discovery Request before joining an " | |
3747 | "existing group"); | |
3748 | wpa_s->pending_pd_before_join = 0; | |
3749 | goto start; | |
3750 | } | |
ef922c4a | 3751 | return; |
b22128ef JM |
3752 | } |
3753 | ||
9b1ab931 JM |
3754 | wpa_printf(MSG_DEBUG, "P2P: Failed to find BSS/GO - try again later"); |
3755 | eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL); | |
3756 | eloop_register_timeout(1, 0, wpas_p2p_join_scan, wpa_s, NULL); | |
3757 | wpas_p2p_check_join_scan_limit(wpa_s); | |
3758 | return; | |
b22128ef JM |
3759 | |
3760 | start: | |
3761 | /* Start join operation immediately */ | |
ef922c4a JM |
3762 | wpas_p2p_join_start(wpa_s); |
3763 | } | |
3764 | ||
3765 | ||
84286a22 | 3766 | static void wpas_p2p_join_scan_req(struct wpa_supplicant *wpa_s, int freq) |
ef922c4a | 3767 | { |
ef922c4a JM |
3768 | int ret; |
3769 | struct wpa_driver_scan_params params; | |
3770 | struct wpabuf *wps_ie, *ies; | |
206e1f42 | 3771 | size_t ielen; |
84286a22 | 3772 | int freqs[2] = { 0, 0 }; |
ef922c4a JM |
3773 | |
3774 | os_memset(¶ms, 0, sizeof(params)); | |
3775 | ||
3776 | /* P2P Wildcard SSID */ | |
3777 | params.num_ssids = 1; | |
3778 | params.ssids[0].ssid = (u8 *) P2P_WILDCARD_SSID; | |
3779 | params.ssids[0].ssid_len = P2P_WILDCARD_SSID_LEN; | |
3780 | ||
3781 | wpa_s->wps->dev.p2p = 1; | |
360182ed JM |
3782 | wps_ie = wps_build_probe_req_ie(DEV_PW_DEFAULT, &wpa_s->wps->dev, |
3783 | wpa_s->wps->uuid, WPS_REQ_ENROLLEE, 0, | |
3784 | NULL); | |
ef922c4a JM |
3785 | if (wps_ie == NULL) { |
3786 | wpas_p2p_scan_res_join(wpa_s, NULL); | |
3787 | return; | |
3788 | } | |
3789 | ||
206e1f42 JM |
3790 | ielen = p2p_scan_ie_buf_len(wpa_s->global->p2p); |
3791 | ies = wpabuf_alloc(wpabuf_len(wps_ie) + ielen); | |
ef922c4a JM |
3792 | if (ies == NULL) { |
3793 | wpabuf_free(wps_ie); | |
3794 | wpas_p2p_scan_res_join(wpa_s, NULL); | |
3795 | return; | |
3796 | } | |
3797 | wpabuf_put_buf(ies, wps_ie); | |
3798 | wpabuf_free(wps_ie); | |
3799 | ||
6d92fa6e | 3800 | p2p_scan_ie(wpa_s->global->p2p, ies, NULL); |
ef922c4a | 3801 | |
47185fc7 | 3802 | params.p2p_probe = 1; |
ef922c4a JM |
3803 | params.extra_ies = wpabuf_head(ies); |
3804 | params.extra_ies_len = wpabuf_len(ies); | |
84286a22 SDU |
3805 | if (freq > 0) { |
3806 | freqs[0] = freq; | |
3807 | params.freqs = freqs; | |
3808 | } | |
ef922c4a JM |
3809 | |
3810 | /* | |
3811 | * Run a scan to update BSS table and start Provision Discovery once | |
3812 | * the new scan results become available. | |
3813 | */ | |
17fbb751 | 3814 | ret = wpa_drv_scan(wpa_s, ¶ms); |
4342326f JM |
3815 | if (!ret) { |
3816 | os_get_time(&wpa_s->scan_trigger_time); | |
205e6474 | 3817 | wpa_s->scan_res_handler = wpas_p2p_scan_res_join; |
4342326f | 3818 | } |
ef922c4a JM |
3819 | |
3820 | wpabuf_free(ies); | |
3821 | ||
3822 | if (ret) { | |
3823 | wpa_printf(MSG_DEBUG, "P2P: Failed to start scan for join - " | |
3824 | "try again later"); | |
3825 | eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL); | |
3826 | eloop_register_timeout(1, 0, wpas_p2p_join_scan, wpa_s, NULL); | |
9b1ab931 | 3827 | wpas_p2p_check_join_scan_limit(wpa_s); |
ef922c4a JM |
3828 | } |
3829 | } | |
3830 | ||
3831 | ||
84286a22 SDU |
3832 | static void wpas_p2p_join_scan(void *eloop_ctx, void *timeout_ctx) |
3833 | { | |
3834 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
3835 | wpas_p2p_join_scan_req(wpa_s, 0); | |
3836 | } | |
3837 | ||
3838 | ||
ef922c4a | 3839 | static int wpas_p2p_join(struct wpa_supplicant *wpa_s, const u8 *iface_addr, |
b31be3a0 JM |
3840 | const u8 *dev_addr, enum p2p_wps_method wps_method, |
3841 | int auto_join) | |
ef922c4a JM |
3842 | { |
3843 | wpa_printf(MSG_DEBUG, "P2P: Request to join existing group (iface " | |
b31be3a0 JM |
3844 | MACSTR " dev " MACSTR ")%s", |
3845 | MAC2STR(iface_addr), MAC2STR(dev_addr), | |
3846 | auto_join ? " (auto_join)" : ""); | |
ef922c4a | 3847 | |
0918c4bf | 3848 | wpa_s->p2p_auto_pd = 0; |
b31be3a0 | 3849 | wpa_s->p2p_auto_join = !!auto_join; |
ef922c4a JM |
3850 | os_memcpy(wpa_s->pending_join_iface_addr, iface_addr, ETH_ALEN); |
3851 | os_memcpy(wpa_s->pending_join_dev_addr, dev_addr, ETH_ALEN); | |
3852 | wpa_s->pending_join_wps_method = wps_method; | |
3853 | ||
3854 | /* Make sure we are not running find during connection establishment */ | |
3855 | wpas_p2p_stop_find(wpa_s); | |
3856 | ||
9b1ab931 | 3857 | wpa_s->p2p_join_scan_count = 0; |
ef922c4a JM |
3858 | wpas_p2p_join_scan(wpa_s, NULL); |
3859 | return 0; | |
b22128ef JM |
3860 | } |
3861 | ||
3862 | ||
3863 | static int wpas_p2p_join_start(struct wpa_supplicant *wpa_s) | |
3864 | { | |
3865 | struct wpa_supplicant *group; | |
3866 | struct p2p_go_neg_results res; | |
8e64f258 | 3867 | struct wpa_bss *bss; |
b22128ef JM |
3868 | |
3869 | group = wpas_p2p_get_group_iface(wpa_s, 0, 0); | |
3870 | if (group == NULL) | |
3871 | return -1; | |
3c5126a4 | 3872 | if (group != wpa_s) { |
b22128ef JM |
3873 | os_memcpy(group->p2p_pin, wpa_s->p2p_pin, |
3874 | sizeof(group->p2p_pin)); | |
3c5126a4 | 3875 | group->p2p_wps_method = wpa_s->p2p_wps_method; |
2b79164f JM |
3876 | } else { |
3877 | /* | |
3878 | * Need to mark the current interface for p2p_group_formation | |
3879 | * when a separate group interface is not used. This is needed | |
3880 | * to allow p2p_cancel stop a pending p2p_connect-join. | |
3881 | * wpas_p2p_init_group_interface() addresses this for the case | |
3882 | * where a separate group interface is used. | |
3883 | */ | |
3884 | wpa_s->global->p2p_group_formation = wpa_s; | |
3c5126a4 | 3885 | } |
b22128ef JM |
3886 | |
3887 | group->p2p_in_provisioning = 1; | |
aa9bb764 | 3888 | group->p2p_fallback_to_go_neg = wpa_s->p2p_fallback_to_go_neg; |
b22128ef JM |
3889 | |
3890 | os_memset(&res, 0, sizeof(res)); | |
3891 | os_memcpy(res.peer_interface_addr, wpa_s->pending_join_iface_addr, | |
3892 | ETH_ALEN); | |
3893 | res.wps_method = wpa_s->pending_join_wps_method; | |
702621e6 | 3894 | bss = wpa_bss_get_bssid_latest(wpa_s, wpa_s->pending_join_iface_addr); |
8e64f258 JM |
3895 | if (bss) { |
3896 | res.freq = bss->freq; | |
3897 | res.ssid_len = bss->ssid_len; | |
3898 | os_memcpy(res.ssid, bss->ssid, bss->ssid_len); | |
3899 | } | |
3900 | ||
e91829f9 JM |
3901 | if (wpa_s->off_channel_freq || wpa_s->roc_waiting_drv_freq) { |
3902 | wpa_printf(MSG_DEBUG, "P2P: Cancel remain-on-channel prior to " | |
3903 | "starting client"); | |
3904 | wpa_drv_cancel_remain_on_channel(wpa_s); | |
3905 | wpa_s->off_channel_freq = 0; | |
3906 | wpa_s->roc_waiting_drv_freq = 0; | |
3907 | } | |
b22128ef JM |
3908 | wpas_start_wps_enrollee(group, &res); |
3909 | ||
3094d483 JM |
3910 | /* |
3911 | * Allow a longer timeout for join-a-running-group than normal 15 | |
3912 | * second group formation timeout since the GO may not have authorized | |
3913 | * our connection yet. | |
3914 | */ | |
3915 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL); | |
3916 | eloop_register_timeout(60, 0, wpas_p2p_group_formation_timeout, | |
3917 | wpa_s, NULL); | |
3918 | ||
b22128ef JM |
3919 | return 0; |
3920 | } | |
3921 | ||
3922 | ||
5de4b721 | 3923 | static int wpas_p2p_setup_freqs(struct wpa_supplicant *wpa_s, int freq, |
0d08efa4 | 3924 | int *force_freq, int *pref_freq) |
5de4b721 | 3925 | { |
0d08efa4 IP |
3926 | int *freqs, res; |
3927 | unsigned int freq_in_use = 0, num, i; | |
3928 | ||
3929 | freqs = os_calloc(wpa_s->num_multichan_concurrent, sizeof(int)); | |
3930 | if (!freqs) | |
3931 | return -1; | |
3932 | ||
3933 | num = get_shared_radio_freqs(wpa_s, freqs, | |
3934 | wpa_s->num_multichan_concurrent); | |
99d7c762 JM |
3935 | wpa_printf(MSG_DEBUG, |
3936 | "P2P: Setup freqs: freq=%d num_MCC=%d shared_freqs=%u", | |
3937 | freq, wpa_s->num_multichan_concurrent, num); | |
0d08efa4 | 3938 | |
5de4b721 JM |
3939 | if (freq > 0) { |
3940 | if (!p2p_supported_freq(wpa_s->global->p2p, freq)) { | |
3941 | wpa_printf(MSG_DEBUG, "P2P: The forced channel " | |
3942 | "(%u MHz) is not supported for P2P uses", | |
3943 | freq); | |
0d08efa4 IP |
3944 | res = -3; |
3945 | goto exit_free; | |
5de4b721 JM |
3946 | } |
3947 | ||
0d08efa4 IP |
3948 | for (i = 0; i < num; i++) { |
3949 | if (freqs[i] == freq) | |
3950 | freq_in_use = 1; | |
3951 | } | |
3952 | ||
3953 | if (num == wpa_s->num_multichan_concurrent && !freq_in_use) { | |
3954 | wpa_printf(MSG_DEBUG, "P2P: Cannot start P2P group on %u MHz as there are no available channels", | |
3955 | freq); | |
3956 | res = -2; | |
3957 | goto exit_free; | |
5de4b721 JM |
3958 | } |
3959 | wpa_printf(MSG_DEBUG, "P2P: Trying to force us to use the " | |
3960 | "requested channel (%u MHz)", freq); | |
3961 | *force_freq = freq; | |
0d08efa4 IP |
3962 | goto exit_ok; |
3963 | } | |
3964 | ||
3965 | for (i = 0; i < num; i++) { | |
3966 | if (!p2p_supported_freq(wpa_s->global->p2p, freqs[i])) | |
3967 | continue; | |
3968 | ||
3969 | wpa_printf(MSG_DEBUG, "P2P: Try to force us to use frequency (%u MHz) which is already in use", | |
3970 | *force_freq); | |
3971 | *force_freq = freqs[i]; | |
3972 | ||
3973 | if (*pref_freq == 0 && num < wpa_s->num_multichan_concurrent) { | |
3974 | wpa_printf(MSG_DEBUG, "P2P: Try to prefer a frequency we are already using"); | |
3975 | *pref_freq = *force_freq; | |
5de4b721 | 3976 | } |
0d08efa4 | 3977 | break; |
5de4b721 JM |
3978 | } |
3979 | ||
0d08efa4 IP |
3980 | if (i == num) { |
3981 | if (num < wpa_s->num_multichan_concurrent) { | |
3982 | wpa_printf(MSG_DEBUG, "P2P: Current operating channels are not available for P2P. Try to use another channel"); | |
3983 | *force_freq = 0; | |
3984 | } else { | |
3985 | wpa_printf(MSG_DEBUG, "P2P: All channels are in use and none of them are P2P enabled. Cannot start P2P group"); | |
3986 | res = -2; | |
3987 | goto exit_free; | |
3988 | } | |
3989 | } | |
3990 | ||
3991 | exit_ok: | |
3992 | res = 0; | |
3993 | exit_free: | |
3994 | os_free(freqs); | |
3995 | return res; | |
5de4b721 JM |
3996 | } |
3997 | ||
3998 | ||
b22128ef JM |
3999 | /** |
4000 | * wpas_p2p_connect - Request P2P Group Formation to be started | |
4001 | * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface() | |
4002 | * @peer_addr: Address of the peer P2P Device | |
4003 | * @pin: PIN to use during provisioning or %NULL to indicate PBC mode | |
4004 | * @persistent_group: Whether to create a persistent group | |
b31be3a0 | 4005 | * @auto_join: Whether to select join vs. GO Negotiation automatically |
b22128ef JM |
4006 | * @join: Whether to join an existing group (as a client) instead of starting |
4007 | * Group Owner negotiation; @peer_addr is BSSID in that case | |
4008 | * @auth: Whether to only authorize the connection instead of doing that and | |
4009 | * initiating Group Owner negotiation | |
4010 | * @go_intent: GO Intent or -1 to use default | |
4011 | * @freq: Frequency for the group or 0 for auto-selection | |
23c84252 JM |
4012 | * @persistent_id: Persistent group credentials to use for forcing GO |
4013 | * parameters or -1 to generate new values (SSID/passphrase) | |
3bc462cb JM |
4014 | * @pd: Whether to send Provision Discovery prior to GO Negotiation as an |
4015 | * interoperability workaround when initiating group formation | |
e2308e4b | 4016 | * @ht40: Start GO with 40 MHz channel width |
d054a462 JM |
4017 | * Returns: 0 or new PIN (if pin was %NULL) on success, -1 on unspecified |
4018 | * failure, -2 on failure due to channel not currently available, | |
4019 | * -3 if forced channel is not supported | |
b22128ef JM |
4020 | */ |
4021 | int wpas_p2p_connect(struct wpa_supplicant *wpa_s, const u8 *peer_addr, | |
4022 | const char *pin, enum p2p_wps_method wps_method, | |
b31be3a0 | 4023 | int persistent_group, int auto_join, int join, int auth, |
e2308e4b RM |
4024 | int go_intent, int freq, int persistent_id, int pd, |
4025 | int ht40) | |
b22128ef | 4026 | { |
0d08efa4 | 4027 | int force_freq = 0, pref_freq = 0; |
5de4b721 | 4028 | int ret = 0, res; |
b22128ef | 4029 | enum wpa_driver_if_type iftype; |
6cad95db | 4030 | const u8 *if_addr; |
23c84252 | 4031 | struct wpa_ssid *ssid = NULL; |
b22128ef | 4032 | |
9526fd29 JM |
4033 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
4034 | return -1; | |
4035 | ||
23c84252 JM |
4036 | if (persistent_id >= 0) { |
4037 | ssid = wpa_config_get_network(wpa_s->conf, persistent_id); | |
4038 | if (ssid == NULL || ssid->disabled != 2 || | |
4039 | ssid->mode != WPAS_MODE_P2P_GO) | |
4040 | return -1; | |
4041 | } | |
4042 | ||
01a57fe4 JM |
4043 | os_free(wpa_s->global->add_psk); |
4044 | wpa_s->global->add_psk = NULL; | |
4045 | ||
b22128ef JM |
4046 | if (go_intent < 0) |
4047 | go_intent = wpa_s->conf->p2p_go_intent; | |
4048 | ||
4049 | if (!auth) | |
4050 | wpa_s->p2p_long_listen = 0; | |
4051 | ||
3c5126a4 | 4052 | wpa_s->p2p_wps_method = wps_method; |
b31be3a0 | 4053 | wpa_s->p2p_persistent_group = !!persistent_group; |
23c84252 | 4054 | wpa_s->p2p_persistent_id = persistent_id; |
b31be3a0 JM |
4055 | wpa_s->p2p_go_intent = go_intent; |
4056 | wpa_s->p2p_connect_freq = freq; | |
aa9bb764 | 4057 | wpa_s->p2p_fallback_to_go_neg = 0; |
3bc462cb | 4058 | wpa_s->p2p_pd_before_go_neg = !!pd; |
e2308e4b | 4059 | wpa_s->p2p_go_ht40 = !!ht40; |
3c5126a4 | 4060 | |
b22128ef JM |
4061 | if (pin) |
4062 | os_strlcpy(wpa_s->p2p_pin, pin, sizeof(wpa_s->p2p_pin)); | |
4063 | else if (wps_method == WPS_PIN_DISPLAY) { | |
4064 | ret = wps_generate_pin(); | |
4065 | os_snprintf(wpa_s->p2p_pin, sizeof(wpa_s->p2p_pin), "%08d", | |
4066 | ret); | |
4067 | wpa_printf(MSG_DEBUG, "P2P: Randomly generated PIN: %s", | |
4068 | wpa_s->p2p_pin); | |
4069 | } else | |
4070 | wpa_s->p2p_pin[0] = '\0'; | |
4071 | ||
b31be3a0 | 4072 | if (join || auto_join) { |
4147a2cc | 4073 | u8 iface_addr[ETH_ALEN], dev_addr[ETH_ALEN]; |
108def93 JM |
4074 | if (auth) { |
4075 | wpa_printf(MSG_DEBUG, "P2P: Authorize invitation to " | |
4076 | "connect a running group from " MACSTR, | |
4077 | MAC2STR(peer_addr)); | |
4078 | os_memcpy(wpa_s->p2p_auth_invite, peer_addr, ETH_ALEN); | |
4079 | return ret; | |
4080 | } | |
4147a2cc | 4081 | os_memcpy(dev_addr, peer_addr, ETH_ALEN); |
b22128ef | 4082 | if (p2p_get_interface_addr(wpa_s->global->p2p, peer_addr, |
4147a2cc | 4083 | iface_addr) < 0) { |
b22128ef | 4084 | os_memcpy(iface_addr, peer_addr, ETH_ALEN); |
4147a2cc JM |
4085 | p2p_get_dev_addr(wpa_s->global->p2p, peer_addr, |
4086 | dev_addr); | |
4087 | } | |
b31be3a0 JM |
4088 | if (auto_join) { |
4089 | os_get_time(&wpa_s->p2p_auto_started); | |
4090 | wpa_printf(MSG_DEBUG, "P2P: Auto join started at " | |
4091 | "%ld.%06ld", | |
4092 | wpa_s->p2p_auto_started.sec, | |
4093 | wpa_s->p2p_auto_started.usec); | |
4094 | } | |
67527166 | 4095 | wpa_s->user_initiated_pd = 1; |
b31be3a0 JM |
4096 | if (wpas_p2p_join(wpa_s, iface_addr, dev_addr, wps_method, |
4097 | auto_join) < 0) | |
b22128ef JM |
4098 | return -1; |
4099 | return ret; | |
4100 | } | |
4101 | ||
0d08efa4 | 4102 | res = wpas_p2p_setup_freqs(wpa_s, freq, &force_freq, &pref_freq); |
5de4b721 JM |
4103 | if (res) |
4104 | return res; | |
0d08efa4 | 4105 | wpas_p2p_set_own_freq_preference(wpa_s, force_freq); |
b22128ef JM |
4106 | |
4107 | wpa_s->create_p2p_iface = wpas_p2p_create_iface(wpa_s); | |
4108 | ||
6cad95db JB |
4109 | if (wpa_s->create_p2p_iface) { |
4110 | /* Prepare to add a new interface for the group */ | |
4111 | iftype = WPA_IF_P2P_GROUP; | |
4112 | if (go_intent == 15) | |
4113 | iftype = WPA_IF_P2P_GO; | |
4114 | if (wpas_p2p_add_group_interface(wpa_s, iftype) < 0) { | |
4115 | wpa_printf(MSG_ERROR, "P2P: Failed to allocate a new " | |
4116 | "interface for the group"); | |
b22128ef | 4117 | return -1; |
6cad95db | 4118 | } |
b22128ef | 4119 | |
6cad95db JB |
4120 | if_addr = wpa_s->pending_interface_addr; |
4121 | } else | |
4122 | if_addr = wpa_s->own_addr; | |
b22128ef JM |
4123 | |
4124 | if (auth) { | |
4125 | if (wpas_p2p_auth_go_neg(wpa_s, peer_addr, wps_method, | |
6cad95db | 4126 | go_intent, if_addr, |
04a3e69d JM |
4127 | force_freq, persistent_group, ssid, |
4128 | pref_freq) < 0) | |
b22128ef JM |
4129 | return -1; |
4130 | return ret; | |
4131 | } | |
6cad95db JB |
4132 | |
4133 | if (wpas_p2p_start_go_neg(wpa_s, peer_addr, wps_method, | |
4134 | go_intent, if_addr, force_freq, | |
04a3e69d | 4135 | persistent_group, ssid, pref_freq) < 0) { |
6cad95db JB |
4136 | if (wpa_s->create_p2p_iface) |
4137 | wpas_p2p_remove_pending_group_interface(wpa_s); | |
b22128ef JM |
4138 | return -1; |
4139 | } | |
4140 | return ret; | |
4141 | } | |
4142 | ||
4143 | ||
4144 | /** | |
4145 | * wpas_p2p_remain_on_channel_cb - Indication of remain-on-channel start | |
4146 | * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface() | |
4147 | * @freq: Frequency of the channel in MHz | |
4148 | * @duration: Duration of the stay on the channel in milliseconds | |
4149 | * | |
4150 | * This callback is called when the driver indicates that it has started the | |
4151 | * requested remain-on-channel duration. | |
4152 | */ | |
4153 | void wpas_p2p_remain_on_channel_cb(struct wpa_supplicant *wpa_s, | |
4154 | unsigned int freq, unsigned int duration) | |
4155 | { | |
9526fd29 JM |
4156 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
4157 | return; | |
b22128ef JM |
4158 | if (wpa_s->off_channel_freq == wpa_s->pending_listen_freq) { |
4159 | p2p_listen_cb(wpa_s->global->p2p, wpa_s->pending_listen_freq, | |
4160 | wpa_s->pending_listen_duration); | |
4161 | wpa_s->pending_listen_freq = 0; | |
4162 | } | |
4163 | } | |
4164 | ||
4165 | ||
4166 | static int wpas_p2p_listen_start(struct wpa_supplicant *wpa_s, | |
4167 | unsigned int timeout) | |
4168 | { | |
4169 | /* Limit maximum Listen state time based on driver limitation. */ | |
4170 | if (timeout > wpa_s->max_remain_on_chan) | |
4171 | timeout = wpa_s->max_remain_on_chan; | |
4172 | ||
3ac17eba JM |
4173 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
4174 | return wpa_drv_p2p_listen(wpa_s, timeout); | |
4175 | ||
b22128ef JM |
4176 | return p2p_listen(wpa_s->global->p2p, timeout); |
4177 | } | |
4178 | ||
4179 | ||
4180 | /** | |
4181 | * wpas_p2p_cancel_remain_on_channel_cb - Remain-on-channel timeout | |
4182 | * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface() | |
4183 | * @freq: Frequency of the channel in MHz | |
4184 | * | |
4185 | * This callback is called when the driver indicates that a remain-on-channel | |
4186 | * operation has been completed, i.e., the duration on the requested channel | |
4187 | * has timed out. | |
4188 | */ | |
4189 | void wpas_p2p_cancel_remain_on_channel_cb(struct wpa_supplicant *wpa_s, | |
4190 | unsigned int freq) | |
4191 | { | |
1cc3a29d | 4192 | wpa_printf(MSG_DEBUG, "P2P: Cancel remain-on-channel callback " |
11fb02be | 4193 | "(p2p_long_listen=%d ms pending_action_tx=%p)", |
2f3101d8 | 4194 | wpa_s->p2p_long_listen, offchannel_pending_action_tx(wpa_s)); |
9526fd29 JM |
4195 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
4196 | return; | |
b22128ef JM |
4197 | if (p2p_listen_end(wpa_s->global->p2p, freq) > 0) |
4198 | return; /* P2P module started a new operation */ | |
2f3101d8 | 4199 | if (offchannel_pending_action_tx(wpa_s)) |
b22128ef JM |
4200 | return; |
4201 | if (wpa_s->p2p_long_listen > 0) | |
11fb02be | 4202 | wpa_s->p2p_long_listen -= wpa_s->max_remain_on_chan; |
b22128ef JM |
4203 | if (wpa_s->p2p_long_listen > 0) { |
4204 | wpa_printf(MSG_DEBUG, "P2P: Continuing long Listen state"); | |
11fb02be | 4205 | wpas_p2p_listen_start(wpa_s, wpa_s->p2p_long_listen); |
0b5fb86a SADR |
4206 | } else { |
4207 | /* | |
4208 | * When listen duration is over, stop listen & update p2p_state | |
4209 | * to IDLE. | |
4210 | */ | |
4211 | p2p_stop_listen(wpa_s->global->p2p); | |
b22128ef JM |
4212 | } |
4213 | } | |
4214 | ||
4215 | ||
4216 | /** | |
4217 | * wpas_p2p_group_remove - Remove a P2P group | |
4218 | * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface() | |
4219 | * @ifname: Network interface name of the group interface or "*" to remove all | |
4220 | * groups | |
4221 | * Returns: 0 on success, -1 on failure | |
4222 | * | |
4223 | * This function is used to remove a P2P group. This can be used to disconnect | |
4224 | * from a group in which the local end is a P2P Client or to end a P2P Group in | |
4225 | * case the local end is the Group Owner. If a virtual network interface was | |
4226 | * created for this group, that interface will be removed. Otherwise, only the | |
4227 | * configured P2P group network will be removed from the interface. | |
4228 | */ | |
4229 | int wpas_p2p_group_remove(struct wpa_supplicant *wpa_s, const char *ifname) | |
4230 | { | |
4231 | struct wpa_global *global = wpa_s->global; | |
4232 | ||
4233 | if (os_strcmp(ifname, "*") == 0) { | |
4234 | struct wpa_supplicant *prev; | |
4235 | wpa_s = global->ifaces; | |
4236 | while (wpa_s) { | |
4237 | prev = wpa_s; | |
4238 | wpa_s = wpa_s->next; | |
d99ca89d IP |
4239 | if (prev->p2p_group_interface != |
4240 | NOT_P2P_GROUP_INTERFACE || | |
4241 | (prev->current_ssid && | |
4242 | prev->current_ssid->p2p_group)) | |
4243 | wpas_p2p_disconnect(prev); | |
b22128ef JM |
4244 | } |
4245 | return 0; | |
4246 | } | |
4247 | ||
4248 | for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) { | |
4249 | if (os_strcmp(wpa_s->ifname, ifname) == 0) | |
4250 | break; | |
4251 | } | |
4252 | ||
3103f345 | 4253 | return wpas_p2p_disconnect(wpa_s); |
b22128ef JM |
4254 | } |
4255 | ||
4256 | ||
4abc0424 WJL |
4257 | static int wpas_p2p_select_go_freq(struct wpa_supplicant *wpa_s, int freq) |
4258 | { | |
4259 | unsigned int r; | |
4260 | ||
4261 | if (freq == 2) { | |
4262 | wpa_printf(MSG_DEBUG, "P2P: Request to start GO on 2.4 GHz " | |
4263 | "band"); | |
4264 | if (wpa_s->best_24_freq > 0 && | |
4265 | p2p_supported_freq(wpa_s->global->p2p, | |
4266 | wpa_s->best_24_freq)) { | |
4267 | freq = wpa_s->best_24_freq; | |
4268 | wpa_printf(MSG_DEBUG, "P2P: Use best 2.4 GHz band " | |
4269 | "channel: %d MHz", freq); | |
4270 | } else { | |
4271 | os_get_random((u8 *) &r, sizeof(r)); | |
4272 | freq = 2412 + (r % 3) * 25; | |
4273 | wpa_printf(MSG_DEBUG, "P2P: Use random 2.4 GHz band " | |
4274 | "channel: %d MHz", freq); | |
4275 | } | |
4276 | } | |
4277 | ||
4278 | if (freq == 5) { | |
4279 | wpa_printf(MSG_DEBUG, "P2P: Request to start GO on 5 GHz " | |
4280 | "band"); | |
4281 | if (wpa_s->best_5_freq > 0 && | |
4282 | p2p_supported_freq(wpa_s->global->p2p, | |
4283 | wpa_s->best_5_freq)) { | |
4284 | freq = wpa_s->best_5_freq; | |
4285 | wpa_printf(MSG_DEBUG, "P2P: Use best 5 GHz band " | |
4286 | "channel: %d MHz", freq); | |
4287 | } else { | |
4288 | os_get_random((u8 *) &r, sizeof(r)); | |
4289 | freq = 5180 + (r % 4) * 20; | |
4290 | if (!p2p_supported_freq(wpa_s->global->p2p, freq)) { | |
4291 | wpa_printf(MSG_DEBUG, "P2P: Could not select " | |
4292 | "5 GHz channel for P2P group"); | |
4293 | return -1; | |
4294 | } | |
4295 | wpa_printf(MSG_DEBUG, "P2P: Use random 5 GHz band " | |
4296 | "channel: %d MHz", freq); | |
4297 | } | |
4298 | } | |
4299 | ||
4300 | if (freq > 0 && !p2p_supported_freq(wpa_s->global->p2p, freq)) { | |
4301 | wpa_printf(MSG_DEBUG, "P2P: The forced channel for GO " | |
4302 | "(%u MHz) is not supported for P2P uses", | |
4303 | freq); | |
4304 | return -1; | |
4305 | } | |
4306 | ||
4307 | return freq; | |
4308 | } | |
4309 | ||
4310 | ||
b8349523 NKG |
4311 | static int wpas_p2p_init_go_params(struct wpa_supplicant *wpa_s, |
4312 | struct p2p_go_neg_results *params, | |
54733624 JM |
4313 | int freq, int ht40, |
4314 | const struct p2p_channels *channels) | |
b22128ef | 4315 | { |
0d08efa4 | 4316 | int res, *freqs; |
c6ccf12d | 4317 | unsigned int pref_freq; |
0d08efa4 | 4318 | unsigned int num, i; |
b22128ef JM |
4319 | |
4320 | os_memset(params, 0, sizeof(*params)); | |
4321 | params->role_go = 1; | |
7aeac985 | 4322 | params->ht40 = ht40; |
7cfc4ac3 | 4323 | if (freq) { |
54733624 JM |
4324 | if (!freq_included(channels, freq)) { |
4325 | wpa_printf(MSG_DEBUG, "P2P: Forced GO freq %d MHz not " | |
4326 | "accepted", freq); | |
4327 | return -1; | |
4328 | } | |
7cfc4ac3 AGS |
4329 | wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on forced " |
4330 | "frequency %d MHz", freq); | |
b22128ef | 4331 | params->freq = freq; |
7cfc4ac3 AGS |
4332 | } else if (wpa_s->conf->p2p_oper_reg_class == 81 && |
4333 | wpa_s->conf->p2p_oper_channel >= 1 && | |
54733624 JM |
4334 | wpa_s->conf->p2p_oper_channel <= 11 && |
4335 | freq_included(channels, | |
4336 | 2407 + 5 * wpa_s->conf->p2p_oper_channel)) { | |
b22128ef | 4337 | params->freq = 2407 + 5 * wpa_s->conf->p2p_oper_channel; |
7cfc4ac3 AGS |
4338 | wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on configured " |
4339 | "frequency %d MHz", params->freq); | |
54733624 JM |
4340 | } else if ((wpa_s->conf->p2p_oper_reg_class == 115 || |
4341 | wpa_s->conf->p2p_oper_reg_class == 116 || | |
4342 | wpa_s->conf->p2p_oper_reg_class == 117 || | |
4343 | wpa_s->conf->p2p_oper_reg_class == 124 || | |
4344 | wpa_s->conf->p2p_oper_reg_class == 126 || | |
4345 | wpa_s->conf->p2p_oper_reg_class == 127) && | |
4346 | freq_included(channels, | |
4347 | 5000 + 5 * wpa_s->conf->p2p_oper_channel)) { | |
b22128ef | 4348 | params->freq = 5000 + 5 * wpa_s->conf->p2p_oper_channel; |
7cfc4ac3 AGS |
4349 | wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on configured " |
4350 | "frequency %d MHz", params->freq); | |
4351 | } else if (wpa_s->conf->p2p_oper_channel == 0 && | |
4352 | wpa_s->best_overall_freq > 0 && | |
4353 | p2p_supported_freq(wpa_s->global->p2p, | |
54733624 JM |
4354 | wpa_s->best_overall_freq) && |
4355 | freq_included(channels, wpa_s->best_overall_freq)) { | |
7cfc4ac3 AGS |
4356 | params->freq = wpa_s->best_overall_freq; |
4357 | wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on best overall " | |
4358 | "channel %d MHz", params->freq); | |
4359 | } else if (wpa_s->conf->p2p_oper_channel == 0 && | |
4360 | wpa_s->best_24_freq > 0 && | |
4361 | p2p_supported_freq(wpa_s->global->p2p, | |
54733624 JM |
4362 | wpa_s->best_24_freq) && |
4363 | freq_included(channels, wpa_s->best_24_freq)) { | |
7cfc4ac3 AGS |
4364 | params->freq = wpa_s->best_24_freq; |
4365 | wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on best 2.4 GHz " | |
4366 | "channel %d MHz", params->freq); | |
4367 | } else if (wpa_s->conf->p2p_oper_channel == 0 && | |
4368 | wpa_s->best_5_freq > 0 && | |
4369 | p2p_supported_freq(wpa_s->global->p2p, | |
54733624 JM |
4370 | wpa_s->best_5_freq) && |
4371 | freq_included(channels, wpa_s->best_5_freq)) { | |
7cfc4ac3 AGS |
4372 | params->freq = wpa_s->best_5_freq; |
4373 | wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on best 5 GHz " | |
4374 | "channel %d MHz", params->freq); | |
c6ccf12d SS |
4375 | } else if ((pref_freq = p2p_get_pref_freq(wpa_s->global->p2p, |
4376 | channels))) { | |
4377 | params->freq = pref_freq; | |
4378 | wpa_printf(MSG_DEBUG, "P2P: Set GO freq %d MHz from preferred " | |
4379 | "channels", params->freq); | |
7cfc4ac3 | 4380 | } else { |
6f3bc72b JM |
4381 | int chan; |
4382 | for (chan = 0; chan < 11; chan++) { | |
4383 | params->freq = 2412 + chan * 5; | |
4384 | if (!wpas_p2p_disallowed_freq(wpa_s->global, | |
54733624 JM |
4385 | params->freq) && |
4386 | freq_included(channels, params->freq)) | |
6f3bc72b JM |
4387 | break; |
4388 | } | |
4389 | if (chan == 11) { | |
4390 | wpa_printf(MSG_DEBUG, "P2P: No 2.4 GHz channel " | |
4391 | "allowed"); | |
4392 | return -1; | |
4393 | } | |
7cfc4ac3 AGS |
4394 | wpa_printf(MSG_DEBUG, "P2P: Set GO freq %d MHz (no preference " |
4395 | "known)", params->freq); | |
4396 | } | |
4397 | ||
0d08efa4 IP |
4398 | freqs = os_calloc(wpa_s->num_multichan_concurrent, sizeof(int)); |
4399 | if (!freqs) | |
4400 | return -1; | |
4401 | ||
4402 | res = wpas_p2p_valid_oper_freqs(wpa_s, freqs, | |
4403 | wpa_s->num_multichan_concurrent); | |
4404 | if (res < 0) { | |
4405 | os_free(freqs); | |
4406 | return -1; | |
4407 | } | |
4408 | num = res; | |
4409 | ||
4410 | if (!freq) { | |
4411 | for (i = 0; i < num; i++) { | |
4412 | if (freq_included(channels, freqs[i])) { | |
4413 | wpa_printf(MSG_DEBUG, "P2P: Force GO on a channel we are already using (%u MHz)", | |
4414 | freqs[i]); | |
4415 | params->freq = freqs[i]; | |
4416 | break; | |
a70a52c3 | 4417 | } |
54733624 | 4418 | } |
b22128ef | 4419 | |
0d08efa4 IP |
4420 | if (i == num) { |
4421 | if (num == wpa_s->num_multichan_concurrent) { | |
4422 | wpa_printf(MSG_DEBUG, "P2P: Cannot force GO on any of the channels we are already using"); | |
4423 | os_free(freqs); | |
4424 | return -1; | |
4425 | } else { | |
4426 | wpa_printf(MSG_DEBUG, "P2P: Cannot force GO on any of the channels we are already using. Use one of the free channels"); | |
4427 | } | |
a70a52c3 | 4428 | } |
0d08efa4 IP |
4429 | } else { |
4430 | for (i = 0; i < num; i++) { | |
4431 | if (freqs[i] == freq) | |
4432 | break; | |
54733624 | 4433 | } |
b8349523 | 4434 | |
0d08efa4 IP |
4435 | if (i == num) { |
4436 | if (num == wpa_s->num_multichan_concurrent) { | |
4437 | wpa_printf(MSG_DEBUG, "P2P: Cannot force GO on freq (%u MHz) as all the channels are in use", freq); | |
4438 | os_free(freqs); | |
4439 | return -1; | |
4440 | } else { | |
4441 | wpa_printf(MSG_DEBUG, "P2P: Cannot force GO on any of the channels we are already using. Use one of the free channels"); | |
4442 | } | |
4443 | } | |
4444 | } | |
4445 | os_free(freqs); | |
b8349523 | 4446 | return 0; |
b22128ef JM |
4447 | } |
4448 | ||
4449 | ||
4450 | static struct wpa_supplicant * | |
4451 | wpas_p2p_get_group_iface(struct wpa_supplicant *wpa_s, int addr_allocated, | |
4452 | int go) | |
4453 | { | |
4454 | struct wpa_supplicant *group_wpa_s; | |
4455 | ||
ac06fb12 JM |
4456 | if (!wpas_p2p_create_iface(wpa_s)) { |
4457 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Use same interface for group " | |
4458 | "operations"); | |
b22128ef | 4459 | return wpa_s; |
ac06fb12 | 4460 | } |
b22128ef JM |
4461 | |
4462 | if (wpas_p2p_add_group_interface(wpa_s, go ? WPA_IF_P2P_GO : | |
ac06fb12 | 4463 | WPA_IF_P2P_CLIENT) < 0) { |
92c4465b JM |
4464 | wpa_msg_global(wpa_s, MSG_ERROR, |
4465 | "P2P: Failed to add group interface"); | |
b22128ef | 4466 | return NULL; |
ac06fb12 | 4467 | } |
b22128ef JM |
4468 | group_wpa_s = wpas_p2p_init_group_interface(wpa_s, go); |
4469 | if (group_wpa_s == NULL) { | |
92c4465b JM |
4470 | wpa_msg_global(wpa_s, MSG_ERROR, |
4471 | "P2P: Failed to initialize group interface"); | |
b22128ef JM |
4472 | wpas_p2p_remove_pending_group_interface(wpa_s); |
4473 | return NULL; | |
4474 | } | |
4475 | ||
ac06fb12 JM |
4476 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Use separate group interface %s", |
4477 | group_wpa_s->ifname); | |
b22128ef JM |
4478 | return group_wpa_s; |
4479 | } | |
4480 | ||
4481 | ||
4482 | /** | |
4483 | * wpas_p2p_group_add - Add a new P2P group with local end as Group Owner | |
4484 | * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface() | |
4485 | * @persistent_group: Whether to create a persistent group | |
4486 | * @freq: Frequency for the group or 0 to indicate no hardcoding | |
4487 | * Returns: 0 on success, -1 on failure | |
4488 | * | |
4489 | * This function creates a new P2P group with the local end as the Group Owner, | |
4490 | * i.e., without using Group Owner Negotiation. | |
4491 | */ | |
4492 | int wpas_p2p_group_add(struct wpa_supplicant *wpa_s, int persistent_group, | |
7aeac985 | 4493 | int freq, int ht40) |
b22128ef JM |
4494 | { |
4495 | struct p2p_go_neg_results params; | |
7cfc4ac3 | 4496 | |
9526fd29 JM |
4497 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
4498 | return -1; | |
4499 | ||
01a57fe4 JM |
4500 | os_free(wpa_s->global->add_psk); |
4501 | wpa_s->global->add_psk = NULL; | |
4502 | ||
2d4f15d6 JJ |
4503 | /* Make sure we are not running find during connection establishment */ |
4504 | wpa_printf(MSG_DEBUG, "P2P: Stop any on-going P2P FIND"); | |
8713a2e6 | 4505 | wpas_p2p_stop_find_oper(wpa_s); |
2d4f15d6 | 4506 | |
4abc0424 WJL |
4507 | freq = wpas_p2p_select_go_freq(wpa_s, freq); |
4508 | if (freq < 0) | |
4ae4650b | 4509 | return -1; |
4ae4650b | 4510 | |
54733624 | 4511 | if (wpas_p2p_init_go_params(wpa_s, ¶ms, freq, ht40, NULL)) |
b8349523 | 4512 | return -1; |
f4329aa2 JM |
4513 | if (params.freq && |
4514 | !p2p_supported_freq(wpa_s->global->p2p, params.freq)) { | |
4515 | wpa_printf(MSG_DEBUG, "P2P: The selected channel for GO " | |
4516 | "(%u MHz) is not supported for P2P uses", | |
4517 | params.freq); | |
4518 | return -1; | |
4519 | } | |
b22128ef JM |
4520 | p2p_go_params(wpa_s->global->p2p, ¶ms); |
4521 | params.persistent_group = persistent_group; | |
4522 | ||
4523 | wpa_s = wpas_p2p_get_group_iface(wpa_s, 0, 1); | |
4524 | if (wpa_s == NULL) | |
4525 | return -1; | |
4526 | wpas_start_wps_go(wpa_s, ¶ms, 0); | |
4527 | ||
4528 | return 0; | |
4529 | } | |
4530 | ||
4531 | ||
4532 | static int wpas_start_p2p_client(struct wpa_supplicant *wpa_s, | |
4533 | struct wpa_ssid *params, int addr_allocated) | |
4534 | { | |
4535 | struct wpa_ssid *ssid; | |
4536 | ||
4537 | wpa_s = wpas_p2p_get_group_iface(wpa_s, addr_allocated, 0); | |
4538 | if (wpa_s == NULL) | |
4539 | return -1; | |
5bf9a6c8 | 4540 | wpa_s->p2p_last_4way_hs_fail = NULL; |
b22128ef JM |
4541 | |
4542 | wpa_supplicant_ap_deinit(wpa_s); | |
4543 | ||
4544 | ssid = wpa_config_add_network(wpa_s->conf); | |
4545 | if (ssid == NULL) | |
4546 | return -1; | |
b22128ef JM |
4547 | wpa_config_set_network_defaults(ssid); |
4548 | ssid->temporary = 1; | |
4549 | ssid->proto = WPA_PROTO_RSN; | |
4550 | ssid->pairwise_cipher = WPA_CIPHER_CCMP; | |
4551 | ssid->group_cipher = WPA_CIPHER_CCMP; | |
4552 | ssid->key_mgmt = WPA_KEY_MGMT_PSK; | |
4553 | ssid->ssid = os_malloc(params->ssid_len); | |
4554 | if (ssid->ssid == NULL) { | |
b22128ef JM |
4555 | wpa_config_remove_network(wpa_s->conf, ssid->id); |
4556 | return -1; | |
4557 | } | |
4558 | os_memcpy(ssid->ssid, params->ssid, params->ssid_len); | |
4559 | ssid->ssid_len = params->ssid_len; | |
4560 | ssid->p2p_group = 1; | |
d1c8ac88 | 4561 | ssid->export_keys = 1; |
b22128ef JM |
4562 | if (params->psk_set) { |
4563 | os_memcpy(ssid->psk, params->psk, 32); | |
4564 | ssid->psk_set = 1; | |
4565 | } | |
4566 | if (params->passphrase) | |
4567 | ssid->passphrase = os_strdup(params->passphrase); | |
4568 | ||
4569 | wpa_supplicant_select_network(wpa_s, ssid); | |
4570 | ||
4571 | wpa_s->show_group_started = 1; | |
4572 | ||
4573 | return 0; | |
4574 | } | |
4575 | ||
4576 | ||
4577 | int wpas_p2p_group_add_persistent(struct wpa_supplicant *wpa_s, | |
4578 | struct wpa_ssid *ssid, int addr_allocated, | |
54733624 JM |
4579 | int freq, int ht40, |
4580 | const struct p2p_channels *channels) | |
b22128ef JM |
4581 | { |
4582 | struct p2p_go_neg_results params; | |
6c0da49f | 4583 | int go = 0; |
b22128ef JM |
4584 | |
4585 | if (ssid->disabled != 2 || ssid->ssid == NULL) | |
4586 | return -1; | |
4587 | ||
6c0da49f JM |
4588 | if (wpas_get_p2p_group(wpa_s, ssid->ssid, ssid->ssid_len, &go) && |
4589 | go == (ssid->mode == WPAS_MODE_P2P_GO)) { | |
4590 | wpa_printf(MSG_DEBUG, "P2P: Requested persistent group is " | |
4591 | "already running"); | |
4592 | return 0; | |
4593 | } | |
4594 | ||
01a57fe4 JM |
4595 | os_free(wpa_s->global->add_psk); |
4596 | wpa_s->global->add_psk = NULL; | |
4597 | ||
9d39057c | 4598 | /* Make sure we are not running find during connection establishment */ |
8713a2e6 | 4599 | wpas_p2p_stop_find_oper(wpa_s); |
b22128ef | 4600 | |
aa9bb764 JM |
4601 | wpa_s->p2p_fallback_to_go_neg = 0; |
4602 | ||
b22128ef JM |
4603 | if (ssid->mode == WPAS_MODE_INFRA) |
4604 | return wpas_start_p2p_client(wpa_s, ssid, addr_allocated); | |
4605 | ||
4606 | if (ssid->mode != WPAS_MODE_P2P_GO) | |
4607 | return -1; | |
4608 | ||
4abc0424 WJL |
4609 | freq = wpas_p2p_select_go_freq(wpa_s, freq); |
4610 | if (freq < 0) | |
4611 | return -1; | |
4612 | ||
54733624 | 4613 | if (wpas_p2p_init_go_params(wpa_s, ¶ms, freq, ht40, channels)) |
b8349523 | 4614 | return -1; |
b22128ef JM |
4615 | |
4616 | params.role_go = 1; | |
30c371e8 MH |
4617 | params.psk_set = ssid->psk_set; |
4618 | if (params.psk_set) | |
4619 | os_memcpy(params.psk, ssid->psk, sizeof(params.psk)); | |
bb4d4deb MH |
4620 | if (ssid->passphrase) { |
4621 | if (os_strlen(ssid->passphrase) >= sizeof(params.passphrase)) { | |
4622 | wpa_printf(MSG_ERROR, "P2P: Invalid passphrase in " | |
4623 | "persistent group"); | |
4624 | return -1; | |
4625 | } | |
4626 | os_strlcpy(params.passphrase, ssid->passphrase, | |
4627 | sizeof(params.passphrase)); | |
b22128ef | 4628 | } |
b22128ef JM |
4629 | os_memcpy(params.ssid, ssid->ssid, ssid->ssid_len); |
4630 | params.ssid_len = ssid->ssid_len; | |
4631 | params.persistent_group = 1; | |
4632 | ||
4633 | wpa_s = wpas_p2p_get_group_iface(wpa_s, addr_allocated, 1); | |
4634 | if (wpa_s == NULL) | |
4635 | return -1; | |
4636 | ||
4637 | wpas_start_wps_go(wpa_s, ¶ms, 0); | |
4638 | ||
4639 | return 0; | |
4640 | } | |
4641 | ||
4642 | ||
4643 | static void wpas_p2p_ie_update(void *ctx, struct wpabuf *beacon_ies, | |
4644 | struct wpabuf *proberesp_ies) | |
4645 | { | |
4646 | struct wpa_supplicant *wpa_s = ctx; | |
4647 | if (wpa_s->ap_iface) { | |
4648 | struct hostapd_data *hapd = wpa_s->ap_iface->bss[0]; | |
adc33680 JM |
4649 | if (!(hapd->conf->p2p & P2P_GROUP_OWNER)) { |
4650 | wpabuf_free(beacon_ies); | |
4651 | wpabuf_free(proberesp_ies); | |
4652 | return; | |
4653 | } | |
b22128ef JM |
4654 | if (beacon_ies) { |
4655 | wpabuf_free(hapd->p2p_beacon_ie); | |
4656 | hapd->p2p_beacon_ie = beacon_ies; | |
4657 | } | |
4658 | wpabuf_free(hapd->p2p_probe_resp_ie); | |
4659 | hapd->p2p_probe_resp_ie = proberesp_ies; | |
4660 | } else { | |
4661 | wpabuf_free(beacon_ies); | |
4662 | wpabuf_free(proberesp_ies); | |
4663 | } | |
4664 | wpa_supplicant_ap_update_beacon(wpa_s); | |
4665 | } | |
4666 | ||
4667 | ||
3071e181 JM |
4668 | static void wpas_p2p_idle_update(void *ctx, int idle) |
4669 | { | |
4670 | struct wpa_supplicant *wpa_s = ctx; | |
4671 | if (!wpa_s->ap_iface) | |
4672 | return; | |
4673 | wpa_printf(MSG_DEBUG, "P2P: GO - group %sidle", idle ? "" : "not "); | |
4674 | if (idle) | |
4675 | wpas_p2p_set_group_idle_timeout(wpa_s); | |
4676 | else | |
4677 | eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL); | |
4678 | } | |
4679 | ||
4680 | ||
b22128ef | 4681 | struct p2p_group * wpas_p2p_group_init(struct wpa_supplicant *wpa_s, |
6f251b6b | 4682 | struct wpa_ssid *ssid) |
b22128ef JM |
4683 | { |
4684 | struct p2p_group *group; | |
4685 | struct p2p_group_config *cfg; | |
4686 | ||
3ac17eba JM |
4687 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
4688 | return NULL; | |
9526fd29 JM |
4689 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
4690 | return NULL; | |
3ac17eba | 4691 | |
b22128ef JM |
4692 | cfg = os_zalloc(sizeof(*cfg)); |
4693 | if (cfg == NULL) | |
4694 | return NULL; | |
4695 | ||
6f251b6b | 4696 | if (ssid->p2p_persistent_group && wpa_s->conf->persistent_reconnect) |
acc247b2 | 4697 | cfg->persistent_group = 2; |
6f251b6b | 4698 | else if (ssid->p2p_persistent_group) |
acc247b2 | 4699 | cfg->persistent_group = 1; |
b22128ef | 4700 | os_memcpy(cfg->interface_addr, wpa_s->own_addr, ETH_ALEN); |
3f4ce13f JM |
4701 | if (wpa_s->max_stations && |
4702 | wpa_s->max_stations < wpa_s->conf->max_num_sta) | |
4703 | cfg->max_clients = wpa_s->max_stations; | |
4704 | else | |
4705 | cfg->max_clients = wpa_s->conf->max_num_sta; | |
6f251b6b JM |
4706 | os_memcpy(cfg->ssid, ssid->ssid, ssid->ssid_len); |
4707 | cfg->ssid_len = ssid->ssid_len; | |
b22128ef JM |
4708 | cfg->cb_ctx = wpa_s; |
4709 | cfg->ie_update = wpas_p2p_ie_update; | |
3071e181 | 4710 | cfg->idle_update = wpas_p2p_idle_update; |
b22128ef JM |
4711 | |
4712 | group = p2p_group_init(wpa_s->global->p2p, cfg); | |
4713 | if (group == NULL) | |
4714 | os_free(cfg); | |
6f251b6b | 4715 | if (ssid->mode != WPAS_MODE_P2P_GROUP_FORMATION) |
b22128ef JM |
4716 | p2p_group_notif_formation_done(group); |
4717 | wpa_s->p2p_group = group; | |
4718 | return group; | |
4719 | } | |
4720 | ||
4721 | ||
4722 | void wpas_p2p_wps_success(struct wpa_supplicant *wpa_s, const u8 *peer_addr, | |
4723 | int registrar) | |
4724 | { | |
10531d21 JM |
4725 | struct wpa_ssid *ssid = wpa_s->current_ssid; |
4726 | ||
b22128ef JM |
4727 | if (!wpa_s->p2p_in_provisioning) { |
4728 | wpa_printf(MSG_DEBUG, "P2P: Ignore WPS success event - P2P " | |
4729 | "provisioning not in progress"); | |
4730 | return; | |
4731 | } | |
4732 | ||
10531d21 JM |
4733 | if (ssid && ssid->mode == WPAS_MODE_INFRA) { |
4734 | u8 go_dev_addr[ETH_ALEN]; | |
4735 | os_memcpy(go_dev_addr, wpa_s->bssid, ETH_ALEN); | |
4736 | wpas_p2p_persistent_group(wpa_s, go_dev_addr, ssid->ssid, | |
4737 | ssid->ssid_len); | |
4738 | /* Clear any stored provisioning info */ | |
4739 | p2p_clear_provisioning_info(wpa_s->global->p2p, go_dev_addr); | |
4740 | } | |
ec437d9e | 4741 | |
b22128ef JM |
4742 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s->parent, |
4743 | NULL); | |
41f85323 | 4744 | wpa_s->p2p_go_group_formation_completed = 1; |
361cdf34 JM |
4745 | if (ssid && ssid->mode == WPAS_MODE_INFRA) { |
4746 | /* | |
4747 | * Use a separate timeout for initial data connection to | |
4748 | * complete to allow the group to be removed automatically if | |
4749 | * something goes wrong in this step before the P2P group idle | |
4750 | * timeout mechanism is taken into use. | |
4751 | */ | |
41f85323 JM |
4752 | wpa_dbg(wpa_s, MSG_DEBUG, |
4753 | "P2P: Re-start group formation timeout (%d seconds) as client for initial connection", | |
4754 | P2P_MAX_INITIAL_CONN_WAIT); | |
361cdf34 JM |
4755 | eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT, 0, |
4756 | wpas_p2p_group_formation_timeout, | |
ad853202 | 4757 | wpa_s->parent, NULL); |
41f85323 JM |
4758 | } else if (ssid) { |
4759 | /* | |
4760 | * Use a separate timeout for initial data connection to | |
4761 | * complete to allow the group to be removed automatically if | |
4762 | * the client does not complete data connection successfully. | |
4763 | */ | |
4764 | wpa_dbg(wpa_s, MSG_DEBUG, | |
4765 | "P2P: Re-start group formation timeout (%d seconds) as GO for initial connection", | |
4766 | P2P_MAX_INITIAL_CONN_WAIT_GO); | |
4767 | eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT_GO, 0, | |
4768 | wpas_p2p_group_formation_timeout, | |
4769 | wpa_s->parent, NULL); | |
4770 | /* | |
4771 | * Complete group formation on first successful data connection | |
4772 | */ | |
4773 | wpa_s->p2p_go_group_formation_completed = 0; | |
361cdf34 | 4774 | } |
b22128ef JM |
4775 | if (wpa_s->global->p2p) |
4776 | p2p_wps_success_cb(wpa_s->global->p2p, peer_addr); | |
3ac17eba JM |
4777 | else if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
4778 | wpa_drv_wps_success_cb(wpa_s, peer_addr); | |
b22128ef JM |
4779 | wpas_group_formation_completed(wpa_s, 1); |
4780 | } | |
4781 | ||
4782 | ||
3734552f JS |
4783 | void wpas_p2p_wps_failed(struct wpa_supplicant *wpa_s, |
4784 | struct wps_event_fail *fail) | |
4785 | { | |
4786 | if (!wpa_s->p2p_in_provisioning) { | |
4787 | wpa_printf(MSG_DEBUG, "P2P: Ignore WPS fail event - P2P " | |
4788 | "provisioning not in progress"); | |
4789 | return; | |
4790 | } | |
ec437d9e JJ |
4791 | |
4792 | if (wpa_s->go_params) { | |
4793 | p2p_clear_provisioning_info( | |
4794 | wpa_s->global->p2p, | |
10531d21 | 4795 | wpa_s->go_params->peer_device_addr); |
ec437d9e JJ |
4796 | } |
4797 | ||
3734552f JS |
4798 | wpas_notify_p2p_wps_failed(wpa_s, fail); |
4799 | } | |
4800 | ||
4801 | ||
b22128ef | 4802 | int wpas_p2p_prov_disc(struct wpa_supplicant *wpa_s, const u8 *peer_addr, |
0918c4bf JM |
4803 | const char *config_method, |
4804 | enum wpas_p2p_prov_disc_use use) | |
b22128ef JM |
4805 | { |
4806 | u16 config_methods; | |
4807 | ||
aa9bb764 | 4808 | wpa_s->p2p_fallback_to_go_neg = 0; |
0918c4bf | 4809 | wpa_s->pending_pd_use = NORMAL_PD; |
8c5f7309 | 4810 | if (os_strncmp(config_method, "display", 7) == 0) |
b22128ef | 4811 | config_methods = WPS_CONFIG_DISPLAY; |
8c5f7309 | 4812 | else if (os_strncmp(config_method, "keypad", 6) == 0) |
b22128ef | 4813 | config_methods = WPS_CONFIG_KEYPAD; |
8c5f7309 JJ |
4814 | else if (os_strncmp(config_method, "pbc", 3) == 0 || |
4815 | os_strncmp(config_method, "pushbutton", 10) == 0) | |
b22128ef | 4816 | config_methods = WPS_CONFIG_PUSHBUTTON; |
8c5f7309 JJ |
4817 | else { |
4818 | wpa_printf(MSG_DEBUG, "P2P: Unknown config method"); | |
b22128ef | 4819 | return -1; |
8c5f7309 | 4820 | } |
b22128ef | 4821 | |
0918c4bf JM |
4822 | if (use == WPAS_P2P_PD_AUTO) { |
4823 | os_memcpy(wpa_s->pending_join_dev_addr, peer_addr, ETH_ALEN); | |
4824 | wpa_s->pending_pd_config_methods = config_methods; | |
4825 | wpa_s->p2p_auto_pd = 1; | |
4826 | wpa_s->p2p_auto_join = 0; | |
4827 | wpa_s->pending_pd_before_join = 0; | |
84286a22 | 4828 | wpa_s->auto_pd_scan_retry = 0; |
0918c4bf JM |
4829 | wpas_p2p_stop_find(wpa_s); |
4830 | wpa_s->p2p_join_scan_count = 0; | |
84286a22 SDU |
4831 | os_get_time(&wpa_s->p2p_auto_started); |
4832 | wpa_printf(MSG_DEBUG, "P2P: Auto PD started at %ld.%06ld", | |
4833 | wpa_s->p2p_auto_started.sec, | |
4834 | wpa_s->p2p_auto_started.usec); | |
0918c4bf JM |
4835 | wpas_p2p_join_scan(wpa_s, NULL); |
4836 | return 0; | |
4837 | } | |
4838 | ||
3ac17eba JM |
4839 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) { |
4840 | return wpa_drv_p2p_prov_disc_req(wpa_s, peer_addr, | |
0918c4bf JM |
4841 | config_methods, |
4842 | use == WPAS_P2P_PD_FOR_JOIN); | |
3ac17eba JM |
4843 | } |
4844 | ||
9526fd29 | 4845 | if (wpa_s->global->p2p == NULL || wpa_s->global->p2p_disabled) |
b22128ef JM |
4846 | return -1; |
4847 | ||
4848 | return p2p_prov_disc_req(wpa_s->global->p2p, peer_addr, | |
0918c4bf | 4849 | config_methods, use == WPAS_P2P_PD_FOR_JOIN, |
67527166 | 4850 | 0, 1); |
b22128ef JM |
4851 | } |
4852 | ||
4853 | ||
4854 | int wpas_p2p_scan_result_text(const u8 *ies, size_t ies_len, char *buf, | |
4855 | char *end) | |
4856 | { | |
4857 | return p2p_scan_result_text(ies, ies_len, buf, end); | |
4858 | } | |
4859 | ||
4860 | ||
1cc3a29d JM |
4861 | static void wpas_p2p_clear_pending_action_tx(struct wpa_supplicant *wpa_s) |
4862 | { | |
2f3101d8 | 4863 | if (!offchannel_pending_action_tx(wpa_s)) |
1cc3a29d JM |
4864 | return; |
4865 | ||
4866 | wpa_printf(MSG_DEBUG, "P2P: Drop pending Action TX due to new " | |
4867 | "operation request"); | |
2f3101d8 | 4868 | offchannel_clear_pending_action_tx(wpa_s); |
1cc3a29d JM |
4869 | } |
4870 | ||
4871 | ||
b22128ef | 4872 | int wpas_p2p_find(struct wpa_supplicant *wpa_s, unsigned int timeout, |
046ef4aa | 4873 | enum p2p_discovery_type type, |
6d92fa6e | 4874 | unsigned int num_req_dev_types, const u8 *req_dev_types, |
37448ede | 4875 | const u8 *dev_id, unsigned int search_delay) |
b22128ef | 4876 | { |
1cc3a29d | 4877 | wpas_p2p_clear_pending_action_tx(wpa_s); |
b22128ef JM |
4878 | wpa_s->p2p_long_listen = 0; |
4879 | ||
3ac17eba JM |
4880 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
4881 | return wpa_drv_p2p_find(wpa_s, timeout, type); | |
4882 | ||
5bda43cd | 4883 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL || |
85a6cdb5 | 4884 | wpa_s->p2p_in_provisioning) |
9526fd29 JM |
4885 | return -1; |
4886 | ||
433cd2ce JM |
4887 | wpa_supplicant_cancel_sched_scan(wpa_s); |
4888 | ||
046ef4aa | 4889 | return p2p_find(wpa_s->global->p2p, timeout, type, |
37448ede JM |
4890 | num_req_dev_types, req_dev_types, dev_id, |
4891 | search_delay); | |
b22128ef JM |
4892 | } |
4893 | ||
4894 | ||
8713a2e6 | 4895 | static int wpas_p2p_stop_find_oper(struct wpa_supplicant *wpa_s) |
b22128ef | 4896 | { |
1cc3a29d | 4897 | wpas_p2p_clear_pending_action_tx(wpa_s); |
b22128ef | 4898 | wpa_s->p2p_long_listen = 0; |
9d39057c | 4899 | eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL); |
ef922c4a | 4900 | eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL); |
e665ca9a | 4901 | wpa_s->global->p2p_cb_on_scan_complete = 0; |
b22128ef | 4902 | |
3ac17eba JM |
4903 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) { |
4904 | wpa_drv_p2p_stop_find(wpa_s); | |
8713a2e6 | 4905 | return 1; |
3ac17eba JM |
4906 | } |
4907 | ||
9526fd29 JM |
4908 | if (wpa_s->global->p2p) |
4909 | p2p_stop_find(wpa_s->global->p2p); | |
b22128ef | 4910 | |
8713a2e6 JM |
4911 | return 0; |
4912 | } | |
4913 | ||
4914 | ||
4915 | void wpas_p2p_stop_find(struct wpa_supplicant *wpa_s) | |
4916 | { | |
4917 | if (wpas_p2p_stop_find_oper(wpa_s) > 0) | |
4918 | return; | |
b22128ef JM |
4919 | wpas_p2p_remove_pending_group_interface(wpa_s); |
4920 | } | |
4921 | ||
4922 | ||
4923 | static void wpas_p2p_long_listen_timeout(void *eloop_ctx, void *timeout_ctx) | |
4924 | { | |
4925 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
4926 | wpa_s->p2p_long_listen = 0; | |
4927 | } | |
4928 | ||
4929 | ||
4930 | int wpas_p2p_listen(struct wpa_supplicant *wpa_s, unsigned int timeout) | |
4931 | { | |
4932 | int res; | |
4933 | ||
9526fd29 JM |
4934 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
4935 | return -1; | |
4936 | ||
433cd2ce | 4937 | wpa_supplicant_cancel_sched_scan(wpa_s); |
1cc3a29d JM |
4938 | wpas_p2p_clear_pending_action_tx(wpa_s); |
4939 | ||
b22128ef JM |
4940 | if (timeout == 0) { |
4941 | /* | |
4942 | * This is a request for unlimited Listen state. However, at | |
4943 | * least for now, this is mapped to a Listen state for one | |
4944 | * hour. | |
4945 | */ | |
4946 | timeout = 3600; | |
4947 | } | |
4948 | eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL); | |
4949 | wpa_s->p2p_long_listen = 0; | |
4950 | ||
2bb747e2 JM |
4951 | /* |
4952 | * Stop previous find/listen operation to avoid trying to request a new | |
4953 | * remain-on-channel operation while the driver is still running the | |
4954 | * previous one. | |
4955 | */ | |
4956 | if (wpa_s->global->p2p) | |
4957 | p2p_stop_find(wpa_s->global->p2p); | |
4958 | ||
b22128ef JM |
4959 | res = wpas_p2p_listen_start(wpa_s, timeout * 1000); |
4960 | if (res == 0 && timeout * 1000 > wpa_s->max_remain_on_chan) { | |
11fb02be | 4961 | wpa_s->p2p_long_listen = timeout * 1000; |
b22128ef JM |
4962 | eloop_register_timeout(timeout, 0, |
4963 | wpas_p2p_long_listen_timeout, | |
4964 | wpa_s, NULL); | |
4965 | } | |
4966 | ||
4967 | return res; | |
4968 | } | |
4969 | ||
4970 | ||
4c08c0bd | 4971 | int wpas_p2p_assoc_req_ie(struct wpa_supplicant *wpa_s, struct wpa_bss *bss, |
b22128ef JM |
4972 | u8 *buf, size_t len, int p2p_group) |
4973 | { | |
4c08c0bd JM |
4974 | struct wpabuf *p2p_ie; |
4975 | int ret; | |
4976 | ||
b22128ef JM |
4977 | if (wpa_s->global->p2p_disabled) |
4978 | return -1; | |
4979 | if (wpa_s->global->p2p == NULL) | |
4980 | return -1; | |
e1f1509b JM |
4981 | if (bss == NULL) |
4982 | return -1; | |
b22128ef | 4983 | |
4c08c0bd JM |
4984 | p2p_ie = wpa_bss_get_vendor_ie_multi(bss, P2P_IE_VENDOR_TYPE); |
4985 | ret = p2p_assoc_req_ie(wpa_s->global->p2p, bss->bssid, buf, len, | |
4986 | p2p_group, p2p_ie); | |
4987 | wpabuf_free(p2p_ie); | |
4988 | ||
4989 | return ret; | |
b22128ef JM |
4990 | } |
4991 | ||
4992 | ||
4993 | int wpas_p2p_probe_req_rx(struct wpa_supplicant *wpa_s, const u8 *addr, | |
04a85e44 | 4994 | const u8 *dst, const u8 *bssid, |
baf513d6 | 4995 | const u8 *ie, size_t ie_len, int ssi_signal) |
b22128ef JM |
4996 | { |
4997 | if (wpa_s->global->p2p_disabled) | |
4998 | return 0; | |
4999 | if (wpa_s->global->p2p == NULL) | |
5000 | return 0; | |
5001 | ||
2d43d37f JB |
5002 | switch (p2p_probe_req_rx(wpa_s->global->p2p, addr, dst, bssid, |
5003 | ie, ie_len)) { | |
5004 | case P2P_PREQ_NOT_P2P: | |
5005 | wpas_notify_preq(wpa_s, addr, dst, bssid, ie, ie_len, | |
5006 | ssi_signal); | |
5007 | /* fall through */ | |
5008 | case P2P_PREQ_MALFORMED: | |
5009 | case P2P_PREQ_NOT_LISTEN: | |
5010 | case P2P_PREQ_NOT_PROCESSED: | |
5011 | default: /* make gcc happy */ | |
5012 | return 0; | |
5013 | case P2P_PREQ_PROCESSED: | |
5014 | return 1; | |
5015 | } | |
b22128ef JM |
5016 | } |
5017 | ||
5018 | ||
5019 | void wpas_p2p_rx_action(struct wpa_supplicant *wpa_s, const u8 *da, | |
5020 | const u8 *sa, const u8 *bssid, | |
5021 | u8 category, const u8 *data, size_t len, int freq) | |
5022 | { | |
5023 | if (wpa_s->global->p2p_disabled) | |
5024 | return; | |
5025 | if (wpa_s->global->p2p == NULL) | |
5026 | return; | |
5027 | ||
5028 | p2p_rx_action(wpa_s->global->p2p, da, sa, bssid, category, data, len, | |
5029 | freq); | |
5030 | } | |
5031 | ||
5032 | ||
5033 | void wpas_p2p_scan_ie(struct wpa_supplicant *wpa_s, struct wpabuf *ies) | |
5034 | { | |
5035 | if (wpa_s->global->p2p_disabled) | |
5036 | return; | |
5037 | if (wpa_s->global->p2p == NULL) | |
5038 | return; | |
5039 | ||
6d92fa6e | 5040 | p2p_scan_ie(wpa_s->global->p2p, ies, NULL); |
b22128ef JM |
5041 | } |
5042 | ||
5043 | ||
5044 | void wpas_p2p_group_deinit(struct wpa_supplicant *wpa_s) | |
5045 | { | |
5046 | p2p_group_deinit(wpa_s->p2p_group); | |
5047 | wpa_s->p2p_group = NULL; | |
a7fd39bb JD |
5048 | |
5049 | wpa_s->ap_configured_cb = NULL; | |
5050 | wpa_s->ap_configured_cb_ctx = NULL; | |
5051 | wpa_s->ap_configured_cb_data = NULL; | |
5052 | wpa_s->connect_without_scan = NULL; | |
b22128ef JM |
5053 | } |
5054 | ||
5055 | ||
5056 | int wpas_p2p_reject(struct wpa_supplicant *wpa_s, const u8 *addr) | |
5057 | { | |
5058 | wpa_s->p2p_long_listen = 0; | |
5059 | ||
3ac17eba JM |
5060 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
5061 | return wpa_drv_p2p_reject(wpa_s, addr); | |
5062 | ||
9526fd29 JM |
5063 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
5064 | return -1; | |
5065 | ||
b22128ef JM |
5066 | return p2p_reject(wpa_s->global->p2p, addr); |
5067 | } | |
5068 | ||
5069 | ||
5070 | /* Invite to reinvoke a persistent group */ | |
5071 | int wpas_p2p_invite(struct wpa_supplicant *wpa_s, const u8 *peer_addr, | |
4d32c0c4 | 5072 | struct wpa_ssid *ssid, const u8 *go_dev_addr, int freq, |
f5877af0 | 5073 | int ht40, int pref_freq) |
b22128ef JM |
5074 | { |
5075 | enum p2p_invite_role role; | |
0d08efa4 IP |
5076 | u8 *bssid = NULL; |
5077 | int force_freq = 0; | |
5de4b721 | 5078 | int res; |
b22128ef | 5079 | |
dbca75f8 | 5080 | wpa_s->global->p2p_invite_group = NULL; |
77e4e853 JM |
5081 | if (peer_addr) |
5082 | os_memcpy(wpa_s->p2p_auth_invite, peer_addr, ETH_ALEN); | |
5083 | else | |
5084 | os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN); | |
5085 | ||
4d32c0c4 JM |
5086 | wpa_s->p2p_persistent_go_freq = freq; |
5087 | wpa_s->p2p_go_ht40 = !!ht40; | |
b22128ef JM |
5088 | if (ssid->mode == WPAS_MODE_P2P_GO) { |
5089 | role = P2P_INVITE_ROLE_GO; | |
5090 | if (peer_addr == NULL) { | |
5091 | wpa_printf(MSG_DEBUG, "P2P: Missing peer " | |
5092 | "address in invitation command"); | |
5093 | return -1; | |
5094 | } | |
5095 | if (wpas_p2p_create_iface(wpa_s)) { | |
5096 | if (wpas_p2p_add_group_interface(wpa_s, | |
5097 | WPA_IF_P2P_GO) < 0) { | |
5098 | wpa_printf(MSG_ERROR, "P2P: Failed to " | |
5099 | "allocate a new interface for the " | |
5100 | "group"); | |
5101 | return -1; | |
5102 | } | |
5103 | bssid = wpa_s->pending_interface_addr; | |
5104 | } else | |
5105 | bssid = wpa_s->own_addr; | |
5106 | } else { | |
5107 | role = P2P_INVITE_ROLE_CLIENT; | |
5108 | peer_addr = ssid->bssid; | |
5109 | } | |
5110 | wpa_s->pending_invite_ssid_id = ssid->id; | |
5111 | ||
0d08efa4 | 5112 | res = wpas_p2p_setup_freqs(wpa_s, freq, &force_freq, &pref_freq); |
5de4b721 JM |
5113 | if (res) |
5114 | return res; | |
79879f4a | 5115 | |
3ac17eba JM |
5116 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
5117 | return wpa_drv_p2p_invite(wpa_s, peer_addr, role, bssid, | |
5118 | ssid->ssid, ssid->ssid_len, | |
5119 | go_dev_addr, 1); | |
5120 | ||
9526fd29 JM |
5121 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
5122 | return -1; | |
5123 | ||
b22128ef | 5124 | return p2p_invite(wpa_s->global->p2p, peer_addr, role, bssid, |
79879f4a DG |
5125 | ssid->ssid, ssid->ssid_len, force_freq, go_dev_addr, |
5126 | 1, pref_freq); | |
b22128ef JM |
5127 | } |
5128 | ||
5129 | ||
5130 | /* Invite to join an active group */ | |
5131 | int wpas_p2p_invite_group(struct wpa_supplicant *wpa_s, const char *ifname, | |
5132 | const u8 *peer_addr, const u8 *go_dev_addr) | |
5133 | { | |
5134 | struct wpa_global *global = wpa_s->global; | |
5135 | enum p2p_invite_role role; | |
0d08efa4 | 5136 | u8 *bssid = NULL; |
b22128ef | 5137 | struct wpa_ssid *ssid; |
c427ac92 | 5138 | int persistent; |
0d08efa4 | 5139 | int force_freq = 0, pref_freq = 0; |
5de4b721 | 5140 | int res; |
b22128ef | 5141 | |
4d32c0c4 JM |
5142 | wpa_s->p2p_persistent_go_freq = 0; |
5143 | wpa_s->p2p_go_ht40 = 0; | |
5144 | ||
b22128ef JM |
5145 | for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) { |
5146 | if (os_strcmp(wpa_s->ifname, ifname) == 0) | |
5147 | break; | |
5148 | } | |
5149 | if (wpa_s == NULL) { | |
5150 | wpa_printf(MSG_DEBUG, "P2P: Interface '%s' not found", ifname); | |
5151 | return -1; | |
5152 | } | |
5153 | ||
5154 | ssid = wpa_s->current_ssid; | |
5155 | if (ssid == NULL) { | |
5156 | wpa_printf(MSG_DEBUG, "P2P: No current SSID to use for " | |
5157 | "invitation"); | |
5158 | return -1; | |
5159 | } | |
5160 | ||
dbca75f8 | 5161 | wpa_s->global->p2p_invite_group = wpa_s; |
c427ac92 JM |
5162 | persistent = ssid->p2p_persistent_group && |
5163 | wpas_p2p_get_persistent(wpa_s->parent, peer_addr, | |
5164 | ssid->ssid, ssid->ssid_len); | |
5165 | ||
b22128ef JM |
5166 | if (ssid->mode == WPAS_MODE_P2P_GO) { |
5167 | role = P2P_INVITE_ROLE_ACTIVE_GO; | |
5168 | bssid = wpa_s->own_addr; | |
5169 | if (go_dev_addr == NULL) | |
d7e70476 | 5170 | go_dev_addr = wpa_s->global->p2p_dev_addr; |
b22128ef JM |
5171 | } else { |
5172 | role = P2P_INVITE_ROLE_CLIENT; | |
5173 | if (wpa_s->wpa_state < WPA_ASSOCIATED) { | |
5174 | wpa_printf(MSG_DEBUG, "P2P: Not associated - cannot " | |
5175 | "invite to current group"); | |
5176 | return -1; | |
5177 | } | |
5178 | bssid = wpa_s->bssid; | |
5179 | if (go_dev_addr == NULL && | |
5180 | !is_zero_ether_addr(wpa_s->go_dev_addr)) | |
5181 | go_dev_addr = wpa_s->go_dev_addr; | |
5182 | } | |
bb79dc72 | 5183 | wpa_s->parent->pending_invite_ssid_id = -1; |
b22128ef | 5184 | |
3ac17eba JM |
5185 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
5186 | return wpa_drv_p2p_invite(wpa_s, peer_addr, role, bssid, | |
5187 | ssid->ssid, ssid->ssid_len, | |
c427ac92 | 5188 | go_dev_addr, persistent); |
3ac17eba | 5189 | |
9526fd29 JM |
5190 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
5191 | return -1; | |
5192 | ||
0d08efa4 | 5193 | res = wpas_p2p_setup_freqs(wpa_s, 0, &force_freq, &pref_freq); |
5de4b721 JM |
5194 | if (res) |
5195 | return res; | |
0d08efa4 | 5196 | wpas_p2p_set_own_freq_preference(wpa_s, force_freq); |
79879f4a | 5197 | |
b22128ef | 5198 | return p2p_invite(wpa_s->global->p2p, peer_addr, role, bssid, |
79879f4a DG |
5199 | ssid->ssid, ssid->ssid_len, force_freq, |
5200 | go_dev_addr, persistent, pref_freq); | |
b22128ef JM |
5201 | } |
5202 | ||
5203 | ||
5204 | void wpas_p2p_completed(struct wpa_supplicant *wpa_s) | |
5205 | { | |
5206 | struct wpa_ssid *ssid = wpa_s->current_ssid; | |
5207 | const char *ssid_txt; | |
5208 | u8 go_dev_addr[ETH_ALEN]; | |
4b6baa2f | 5209 | int network_id = -1; |
b22128ef | 5210 | int persistent; |
b49d6ccb | 5211 | int freq; |
b22128ef | 5212 | |
73ccd083 JM |
5213 | if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GROUP_FORMATION) { |
5214 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, | |
5215 | wpa_s->parent, NULL); | |
5216 | } | |
361cdf34 | 5217 | |
b22128ef | 5218 | if (!wpa_s->show_group_started || !ssid) |
99fcd404 | 5219 | goto done; |
b22128ef JM |
5220 | |
5221 | wpa_s->show_group_started = 0; | |
5222 | ||
5223 | ssid_txt = wpa_ssid_txt(ssid->ssid, ssid->ssid_len); | |
5224 | os_memset(go_dev_addr, 0, ETH_ALEN); | |
5225 | if (ssid->bssid_set) | |
5226 | os_memcpy(go_dev_addr, ssid->bssid, ETH_ALEN); | |
5227 | persistent = wpas_p2p_persistent_group(wpa_s, go_dev_addr, ssid->ssid, | |
5228 | ssid->ssid_len); | |
5229 | os_memcpy(wpa_s->go_dev_addr, go_dev_addr, ETH_ALEN); | |
5230 | ||
a0a9f3b0 JM |
5231 | if (wpa_s->global->p2p_group_formation == wpa_s) |
5232 | wpa_s->global->p2p_group_formation = NULL; | |
5233 | ||
b49d6ccb JJ |
5234 | freq = wpa_s->current_bss ? wpa_s->current_bss->freq : |
5235 | (int) wpa_s->assoc_freq; | |
b22128ef JM |
5236 | if (ssid->passphrase == NULL && ssid->psk_set) { |
5237 | char psk[65]; | |
5238 | wpa_snprintf_hex(psk, sizeof(psk), ssid->psk, 32); | |
92c4465b JM |
5239 | wpa_msg_global(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED |
5240 | "%s client ssid=\"%s\" freq=%d psk=%s " | |
5241 | "go_dev_addr=" MACSTR "%s", | |
5242 | wpa_s->ifname, ssid_txt, freq, psk, | |
5243 | MAC2STR(go_dev_addr), | |
5244 | persistent ? " [PERSISTENT]" : ""); | |
b22128ef | 5245 | } else { |
92c4465b JM |
5246 | wpa_msg_global(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED |
5247 | "%s client ssid=\"%s\" freq=%d " | |
5248 | "passphrase=\"%s\" go_dev_addr=" MACSTR "%s", | |
5249 | wpa_s->ifname, ssid_txt, freq, | |
5250 | ssid->passphrase ? ssid->passphrase : "", | |
5251 | MAC2STR(go_dev_addr), | |
5252 | persistent ? " [PERSISTENT]" : ""); | |
b22128ef JM |
5253 | } |
5254 | ||
5255 | if (persistent) | |
4b6baa2f JMB |
5256 | network_id = wpas_p2p_store_persistent_group(wpa_s->parent, |
5257 | ssid, go_dev_addr); | |
5258 | if (network_id < 0) | |
5259 | network_id = ssid->id; | |
5260 | wpas_notify_p2p_group_started(wpa_s, ssid, network_id, 1); | |
99fcd404 JM |
5261 | |
5262 | done: | |
f85f545e | 5263 | wpas_p2p_continue_after_scan(wpa_s); |
b22128ef JM |
5264 | } |
5265 | ||
5266 | ||
5267 | int wpas_p2p_presence_req(struct wpa_supplicant *wpa_s, u32 duration1, | |
5268 | u32 interval1, u32 duration2, u32 interval2) | |
5269 | { | |
3ac17eba JM |
5270 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
5271 | return -1; | |
9526fd29 JM |
5272 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
5273 | return -1; | |
3ac17eba | 5274 | |
b22128ef JM |
5275 | if (wpa_s->wpa_state < WPA_ASSOCIATED || |
5276 | wpa_s->current_ssid == NULL || | |
5277 | wpa_s->current_ssid->mode != WPAS_MODE_INFRA) | |
5278 | return -1; | |
5279 | ||
5280 | return p2p_presence_req(wpa_s->global->p2p, wpa_s->bssid, | |
5281 | wpa_s->own_addr, wpa_s->assoc_freq, | |
5282 | duration1, interval1, duration2, interval2); | |
5283 | } | |
5284 | ||
5285 | ||
5286 | int wpas_p2p_ext_listen(struct wpa_supplicant *wpa_s, unsigned int period, | |
5287 | unsigned int interval) | |
5288 | { | |
3ac17eba JM |
5289 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
5290 | return -1; | |
5291 | ||
9526fd29 JM |
5292 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
5293 | return -1; | |
5294 | ||
b22128ef JM |
5295 | return p2p_ext_listen(wpa_s->global->p2p, period, interval); |
5296 | } | |
5297 | ||
5298 | ||
c8106615 JM |
5299 | static int wpas_p2p_is_client(struct wpa_supplicant *wpa_s) |
5300 | { | |
5fbddfdc JM |
5301 | if (wpa_s->current_ssid == NULL) { |
5302 | /* | |
c7deed74 | 5303 | * current_ssid can be cleared when P2P client interface gets |
5fbddfdc JM |
5304 | * disconnected, so assume this interface was used as P2P |
5305 | * client. | |
5306 | */ | |
5307 | return 1; | |
5308 | } | |
5309 | return wpa_s->current_ssid->p2p_group && | |
c8106615 JM |
5310 | wpa_s->current_ssid->mode == WPAS_MODE_INFRA; |
5311 | } | |
5312 | ||
5313 | ||
3071e181 JM |
5314 | static void wpas_p2p_group_idle_timeout(void *eloop_ctx, void *timeout_ctx) |
5315 | { | |
5316 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
5317 | ||
c8106615 | 5318 | if (wpa_s->conf->p2p_group_idle == 0 && !wpas_p2p_is_client(wpa_s)) { |
3071e181 JM |
5319 | wpa_printf(MSG_DEBUG, "P2P: Ignore group idle timeout - " |
5320 | "disabled"); | |
5321 | return; | |
5322 | } | |
5323 | ||
5324 | wpa_printf(MSG_DEBUG, "P2P: Group idle timeout reached - terminate " | |
5325 | "group"); | |
8dba4aef | 5326 | wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_IDLE_TIMEOUT); |
3071e181 JM |
5327 | } |
5328 | ||
5329 | ||
5330 | static void wpas_p2p_set_group_idle_timeout(struct wpa_supplicant *wpa_s) | |
5331 | { | |
5f482d55 | 5332 | int timeout; |
c8106615 | 5333 | |
dddc7045 JM |
5334 | if (eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL) > 0) |
5335 | wpa_printf(MSG_DEBUG, "P2P: Cancelled P2P group idle timeout"); | |
5336 | ||
c8106615 | 5337 | if (wpa_s->current_ssid == NULL || !wpa_s->current_ssid->p2p_group) |
3071e181 JM |
5338 | return; |
5339 | ||
c8106615 JM |
5340 | timeout = wpa_s->conf->p2p_group_idle; |
5341 | if (wpa_s->current_ssid->mode == WPAS_MODE_INFRA && | |
5342 | (timeout == 0 || timeout > P2P_MAX_CLIENT_IDLE)) | |
5343 | timeout = P2P_MAX_CLIENT_IDLE; | |
5344 | ||
5345 | if (timeout == 0) | |
3071e181 JM |
5346 | return; |
5347 | ||
5f482d55 JM |
5348 | if (timeout < 0) { |
5349 | if (wpa_s->current_ssid->mode == WPAS_MODE_INFRA) | |
5350 | timeout = 0; /* special client mode no-timeout */ | |
5351 | else | |
5352 | return; | |
5353 | } | |
5354 | ||
8c472816 JM |
5355 | if (wpa_s->p2p_in_provisioning) { |
5356 | /* | |
5357 | * Use the normal group formation timeout during the | |
5358 | * provisioning phase to avoid terminating this process too | |
5359 | * early due to group idle timeout. | |
5360 | */ | |
5361 | wpa_printf(MSG_DEBUG, "P2P: Do not use P2P group idle timeout " | |
5362 | "during provisioning"); | |
5363 | return; | |
5364 | } | |
5365 | ||
361cdf34 JM |
5366 | if (wpa_s->show_group_started) { |
5367 | /* | |
5368 | * Use the normal group formation timeout between the end of | |
5369 | * the provisioning phase and completion of 4-way handshake to | |
5370 | * avoid terminating this process too early due to group idle | |
5371 | * timeout. | |
5372 | */ | |
5373 | wpa_printf(MSG_DEBUG, "P2P: Do not use P2P group idle timeout " | |
5374 | "while waiting for initial 4-way handshake to " | |
5375 | "complete"); | |
5376 | return; | |
5377 | } | |
5378 | ||
3071e181 | 5379 | wpa_printf(MSG_DEBUG, "P2P: Set P2P group idle timeout to %u seconds", |
c8106615 JM |
5380 | timeout); |
5381 | eloop_register_timeout(timeout, 0, wpas_p2p_group_idle_timeout, | |
5382 | wpa_s, NULL); | |
3071e181 JM |
5383 | } |
5384 | ||
5385 | ||
0aadd568 JM |
5386 | /* Returns 1 if the interface was removed */ |
5387 | int wpas_p2p_deauth_notif(struct wpa_supplicant *wpa_s, const u8 *bssid, | |
5388 | u16 reason_code, const u8 *ie, size_t ie_len, | |
5389 | int locally_generated) | |
b22128ef | 5390 | { |
9526fd29 | 5391 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
0aadd568 | 5392 | return 0; |
3ac17eba | 5393 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
0aadd568 | 5394 | return 0; |
b22128ef | 5395 | |
3fc14102 JM |
5396 | if (!locally_generated) |
5397 | p2p_deauth_notif(wpa_s->global->p2p, bssid, reason_code, ie, | |
5398 | ie_len); | |
5399 | ||
5400 | if (reason_code == WLAN_REASON_DEAUTH_LEAVING && !locally_generated && | |
5401 | wpa_s->current_ssid && | |
5402 | wpa_s->current_ssid->p2p_group && | |
5403 | wpa_s->current_ssid->mode == WPAS_MODE_INFRA) { | |
5404 | wpa_printf(MSG_DEBUG, "P2P: GO indicated that the P2P Group " | |
5405 | "session is ending"); | |
0aadd568 JM |
5406 | if (wpas_p2p_group_delete(wpa_s, |
5407 | P2P_GROUP_REMOVAL_GO_ENDING_SESSION) | |
5408 | > 0) | |
5409 | return 1; | |
3fc14102 | 5410 | } |
0aadd568 JM |
5411 | |
5412 | return 0; | |
b22128ef JM |
5413 | } |
5414 | ||
5415 | ||
5416 | void wpas_p2p_disassoc_notif(struct wpa_supplicant *wpa_s, const u8 *bssid, | |
3fc14102 JM |
5417 | u16 reason_code, const u8 *ie, size_t ie_len, |
5418 | int locally_generated) | |
b22128ef | 5419 | { |
9526fd29 | 5420 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
b22128ef | 5421 | return; |
3ac17eba JM |
5422 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
5423 | return; | |
b22128ef | 5424 | |
3fc14102 JM |
5425 | if (!locally_generated) |
5426 | p2p_disassoc_notif(wpa_s->global->p2p, bssid, reason_code, ie, | |
5427 | ie_len); | |
b22128ef JM |
5428 | } |
5429 | ||
5430 | ||
5431 | void wpas_p2p_update_config(struct wpa_supplicant *wpa_s) | |
5432 | { | |
5433 | struct p2p_data *p2p = wpa_s->global->p2p; | |
5434 | ||
5435 | if (p2p == NULL) | |
5436 | return; | |
5437 | ||
4c010834 KL |
5438 | if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE)) |
5439 | return; | |
5440 | ||
b22128ef JM |
5441 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_NAME) |
5442 | p2p_set_dev_name(p2p, wpa_s->conf->device_name); | |
5443 | ||
2f646b6e JB |
5444 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_TYPE) |
5445 | p2p_set_pri_dev_type(p2p, wpa_s->conf->device_type); | |
b22128ef | 5446 | |
b6e01800 JM |
5447 | if (wpa_s->wps && |
5448 | (wpa_s->conf->changed_parameters & CFG_CHANGED_CONFIG_METHODS)) | |
5449 | p2p_set_config_methods(p2p, wpa_s->wps->config_methods); | |
5450 | ||
5451 | if (wpa_s->wps && (wpa_s->conf->changed_parameters & CFG_CHANGED_UUID)) | |
5452 | p2p_set_uuid(p2p, wpa_s->wps->uuid); | |
5453 | ||
5454 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_WPS_STRING) { | |
5455 | p2p_set_manufacturer(p2p, wpa_s->conf->manufacturer); | |
5456 | p2p_set_model_name(p2p, wpa_s->conf->model_name); | |
5457 | p2p_set_model_number(p2p, wpa_s->conf->model_number); | |
5458 | p2p_set_serial_number(p2p, wpa_s->conf->serial_number); | |
5459 | } | |
5460 | ||
2f646b6e JB |
5461 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_SEC_DEVICE_TYPE) |
5462 | p2p_set_sec_dev_types(p2p, | |
5463 | (void *) wpa_s->conf->sec_device_type, | |
5464 | wpa_s->conf->num_sec_device_types); | |
b22128ef | 5465 | |
f95cac27 JMB |
5466 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_VENDOR_EXTENSION) { |
5467 | int i; | |
5468 | p2p_remove_wps_vendor_extensions(p2p); | |
5469 | for (i = 0; i < MAX_WPS_VENDOR_EXT; i++) { | |
5470 | if (wpa_s->conf->wps_vendor_ext[i] == NULL) | |
5471 | continue; | |
5472 | p2p_add_wps_vendor_extension( | |
5473 | p2p, wpa_s->conf->wps_vendor_ext[i]); | |
5474 | } | |
5475 | } | |
5476 | ||
b22128ef JM |
5477 | if ((wpa_s->conf->changed_parameters & CFG_CHANGED_COUNTRY) && |
5478 | wpa_s->conf->country[0] && wpa_s->conf->country[1]) { | |
5479 | char country[3]; | |
5480 | country[0] = wpa_s->conf->country[0]; | |
5481 | country[1] = wpa_s->conf->country[1]; | |
5482 | country[2] = 0x04; | |
5483 | p2p_set_country(p2p, country); | |
5484 | } | |
5485 | ||
5486 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_SSID_POSTFIX) { | |
5487 | p2p_set_ssid_postfix(p2p, (u8 *) wpa_s->conf->p2p_ssid_postfix, | |
5488 | wpa_s->conf->p2p_ssid_postfix ? | |
5489 | os_strlen(wpa_s->conf->p2p_ssid_postfix) : | |
5490 | 0); | |
5491 | } | |
0f66abd2 SS |
5492 | |
5493 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_INTRA_BSS) | |
5494 | p2p_set_intra_bss_dist(p2p, wpa_s->conf->p2p_intra_bss); | |
2463ba70 JS |
5495 | |
5496 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_LISTEN_CHANNEL) { | |
5497 | u8 reg_class, channel; | |
5498 | int ret; | |
5499 | unsigned int r; | |
5500 | if (wpa_s->conf->p2p_listen_reg_class && | |
5501 | wpa_s->conf->p2p_listen_channel) { | |
5502 | reg_class = wpa_s->conf->p2p_listen_reg_class; | |
5503 | channel = wpa_s->conf->p2p_listen_channel; | |
5504 | } else { | |
5505 | reg_class = 81; | |
5506 | /* | |
5507 | * Pick one of the social channels randomly as the | |
5508 | * listen channel. | |
5509 | */ | |
5510 | os_get_random((u8 *) &r, sizeof(r)); | |
5511 | channel = 1 + (r % 3) * 5; | |
5512 | } | |
5513 | ret = p2p_set_listen_channel(p2p, reg_class, channel); | |
5514 | if (ret) | |
5515 | wpa_printf(MSG_ERROR, "P2P: Own listen channel update " | |
5516 | "failed: %d", ret); | |
5517 | } | |
5518 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_OPER_CHANNEL) { | |
5519 | u8 op_reg_class, op_channel, cfg_op_channel; | |
5520 | int ret = 0; | |
5521 | unsigned int r; | |
5522 | if (wpa_s->conf->p2p_oper_reg_class && | |
5523 | wpa_s->conf->p2p_oper_channel) { | |
5524 | op_reg_class = wpa_s->conf->p2p_oper_reg_class; | |
5525 | op_channel = wpa_s->conf->p2p_oper_channel; | |
5526 | cfg_op_channel = 1; | |
5527 | } else { | |
5528 | op_reg_class = 81; | |
5529 | /* | |
5530 | * Use random operation channel from (1, 6, 11) | |
5531 | *if no other preference is indicated. | |
5532 | */ | |
5533 | os_get_random((u8 *) &r, sizeof(r)); | |
5534 | op_channel = 1 + (r % 3) * 5; | |
5535 | cfg_op_channel = 0; | |
5536 | } | |
5537 | ret = p2p_set_oper_channel(p2p, op_reg_class, op_channel, | |
5538 | cfg_op_channel); | |
5539 | if (ret) | |
5540 | wpa_printf(MSG_ERROR, "P2P: Own oper channel update " | |
5541 | "failed: %d", ret); | |
5542 | } | |
21d996f7 JM |
5543 | |
5544 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_PREF_CHAN) { | |
5545 | if (p2p_set_pref_chan(p2p, wpa_s->conf->num_p2p_pref_chan, | |
5546 | wpa_s->conf->p2p_pref_chan) < 0) { | |
5547 | wpa_printf(MSG_ERROR, "P2P: Preferred channel list " | |
5548 | "update failed"); | |
5549 | } | |
5550 | } | |
b22128ef | 5551 | } |
aefb53bd JM |
5552 | |
5553 | ||
5554 | int wpas_p2p_set_noa(struct wpa_supplicant *wpa_s, u8 count, int start, | |
5555 | int duration) | |
5556 | { | |
5557 | if (!wpa_s->ap_iface) | |
5558 | return -1; | |
5559 | return hostapd_p2p_set_noa(wpa_s->ap_iface->bss[0], count, start, | |
5560 | duration); | |
5561 | } | |
72044390 JM |
5562 | |
5563 | ||
5564 | int wpas_p2p_set_cross_connect(struct wpa_supplicant *wpa_s, int enabled) | |
5565 | { | |
9526fd29 | 5566 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
72044390 JM |
5567 | return -1; |
5568 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) | |
5569 | return -1; | |
5570 | ||
5571 | wpa_s->global->cross_connection = enabled; | |
5572 | p2p_set_cross_connect(wpa_s->global->p2p, enabled); | |
5573 | ||
5574 | if (!enabled) { | |
5575 | struct wpa_supplicant *iface; | |
5576 | ||
5577 | for (iface = wpa_s->global->ifaces; iface; iface = iface->next) | |
5578 | { | |
5579 | if (iface->cross_connect_enabled == 0) | |
5580 | continue; | |
5581 | ||
5582 | iface->cross_connect_enabled = 0; | |
5583 | iface->cross_connect_in_use = 0; | |
92c4465b JM |
5584 | wpa_msg_global(iface->parent, MSG_INFO, |
5585 | P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s", | |
5586 | iface->ifname, | |
5587 | iface->cross_connect_uplink); | |
72044390 JM |
5588 | } |
5589 | } | |
5590 | ||
5591 | return 0; | |
5592 | } | |
5593 | ||
5594 | ||
5595 | static void wpas_p2p_enable_cross_connect(struct wpa_supplicant *uplink) | |
5596 | { | |
5597 | struct wpa_supplicant *iface; | |
5598 | ||
5599 | if (!uplink->global->cross_connection) | |
5600 | return; | |
5601 | ||
5602 | for (iface = uplink->global->ifaces; iface; iface = iface->next) { | |
5603 | if (!iface->cross_connect_enabled) | |
5604 | continue; | |
5605 | if (os_strcmp(uplink->ifname, iface->cross_connect_uplink) != | |
5606 | 0) | |
5607 | continue; | |
5608 | if (iface->ap_iface == NULL) | |
5609 | continue; | |
5610 | if (iface->cross_connect_in_use) | |
5611 | continue; | |
5612 | ||
5613 | iface->cross_connect_in_use = 1; | |
92c4465b JM |
5614 | wpa_msg_global(iface->parent, MSG_INFO, |
5615 | P2P_EVENT_CROSS_CONNECT_ENABLE "%s %s", | |
5616 | iface->ifname, iface->cross_connect_uplink); | |
72044390 JM |
5617 | } |
5618 | } | |
5619 | ||
5620 | ||
5621 | static void wpas_p2p_disable_cross_connect(struct wpa_supplicant *uplink) | |
5622 | { | |
5623 | struct wpa_supplicant *iface; | |
5624 | ||
5625 | for (iface = uplink->global->ifaces; iface; iface = iface->next) { | |
5626 | if (!iface->cross_connect_enabled) | |
5627 | continue; | |
5628 | if (os_strcmp(uplink->ifname, iface->cross_connect_uplink) != | |
5629 | 0) | |
5630 | continue; | |
5631 | if (!iface->cross_connect_in_use) | |
5632 | continue; | |
5633 | ||
92c4465b JM |
5634 | wpa_msg_global(iface->parent, MSG_INFO, |
5635 | P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s", | |
5636 | iface->ifname, iface->cross_connect_uplink); | |
72044390 JM |
5637 | iface->cross_connect_in_use = 0; |
5638 | } | |
5639 | } | |
5640 | ||
5641 | ||
5642 | void wpas_p2p_notif_connected(struct wpa_supplicant *wpa_s) | |
5643 | { | |
5644 | if (wpa_s->ap_iface || wpa_s->current_ssid == NULL || | |
5645 | wpa_s->current_ssid->mode != WPAS_MODE_INFRA || | |
5646 | wpa_s->cross_connect_disallowed) | |
5647 | wpas_p2p_disable_cross_connect(wpa_s); | |
5648 | else | |
5649 | wpas_p2p_enable_cross_connect(wpa_s); | |
dddc7045 JM |
5650 | if (!wpa_s->ap_iface && |
5651 | eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL) > 0) | |
5652 | wpa_printf(MSG_DEBUG, "P2P: Cancelled P2P group idle timeout"); | |
72044390 JM |
5653 | } |
5654 | ||
5655 | ||
5656 | void wpas_p2p_notif_disconnected(struct wpa_supplicant *wpa_s) | |
5657 | { | |
5658 | wpas_p2p_disable_cross_connect(wpa_s); | |
4c2c6751 JM |
5659 | if (!wpa_s->ap_iface && |
5660 | !eloop_is_timeout_registered(wpas_p2p_group_idle_timeout, | |
5661 | wpa_s, NULL)) | |
3071e181 | 5662 | wpas_p2p_set_group_idle_timeout(wpa_s); |
72044390 JM |
5663 | } |
5664 | ||
5665 | ||
5666 | static void wpas_p2p_cross_connect_setup(struct wpa_supplicant *wpa_s) | |
5667 | { | |
5668 | struct wpa_supplicant *iface; | |
5669 | ||
5670 | if (!wpa_s->global->cross_connection) | |
5671 | return; | |
5672 | ||
5673 | for (iface = wpa_s->global->ifaces; iface; iface = iface->next) { | |
5674 | if (iface == wpa_s) | |
5675 | continue; | |
5676 | if (iface->drv_flags & | |
5677 | WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE) | |
5678 | continue; | |
5679 | if (iface->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE) | |
5680 | continue; | |
5681 | ||
5682 | wpa_s->cross_connect_enabled = 1; | |
5683 | os_strlcpy(wpa_s->cross_connect_uplink, iface->ifname, | |
5684 | sizeof(wpa_s->cross_connect_uplink)); | |
5685 | wpa_printf(MSG_DEBUG, "P2P: Enable cross connection from " | |
5686 | "%s to %s whenever uplink is available", | |
5687 | wpa_s->ifname, wpa_s->cross_connect_uplink); | |
5688 | ||
5689 | if (iface->ap_iface || iface->current_ssid == NULL || | |
5690 | iface->current_ssid->mode != WPAS_MODE_INFRA || | |
5691 | iface->cross_connect_disallowed || | |
5692 | iface->wpa_state != WPA_COMPLETED) | |
5693 | break; | |
5694 | ||
5695 | wpa_s->cross_connect_in_use = 1; | |
92c4465b JM |
5696 | wpa_msg_global(wpa_s->parent, MSG_INFO, |
5697 | P2P_EVENT_CROSS_CONNECT_ENABLE "%s %s", | |
5698 | wpa_s->ifname, wpa_s->cross_connect_uplink); | |
72044390 JM |
5699 | break; |
5700 | } | |
5701 | } | |
b73bf0a7 JM |
5702 | |
5703 | ||
5704 | int wpas_p2p_notif_pbc_overlap(struct wpa_supplicant *wpa_s) | |
5705 | { | |
5706 | if (wpa_s->p2p_group_interface != P2P_GROUP_INTERFACE_CLIENT && | |
5707 | !wpa_s->p2p_in_provisioning) | |
5708 | return 0; /* not P2P client operation */ | |
5709 | ||
5710 | wpa_printf(MSG_DEBUG, "P2P: Terminate connection due to WPS PBC " | |
5711 | "session overlap"); | |
148bb37f JM |
5712 | if (wpa_s != wpa_s->parent) |
5713 | wpa_msg_ctrl(wpa_s->parent, MSG_INFO, WPS_EVENT_OVERLAP); | |
1075b295 | 5714 | wpas_p2p_group_formation_failed(wpa_s); |
b73bf0a7 JM |
5715 | return 1; |
5716 | } | |
b5c9da8d JM |
5717 | |
5718 | ||
5719 | void wpas_p2p_update_channel_list(struct wpa_supplicant *wpa_s) | |
5720 | { | |
5721 | struct p2p_channels chan; | |
5722 | ||
5723 | if (wpa_s->global == NULL || wpa_s->global->p2p == NULL) | |
5724 | return; | |
5725 | ||
5726 | os_memset(&chan, 0, sizeof(chan)); | |
5727 | if (wpas_p2p_setup_channels(wpa_s, &chan)) { | |
5728 | wpa_printf(MSG_ERROR, "P2P: Failed to update supported " | |
5729 | "channel list"); | |
5730 | return; | |
5731 | } | |
5732 | ||
5733 | p2p_update_channel_list(wpa_s->global->p2p, &chan); | |
5734 | } | |
59eba7a2 JM |
5735 | |
5736 | ||
50178335 JM |
5737 | static void wpas_p2p_scan_res_ignore(struct wpa_supplicant *wpa_s, |
5738 | struct wpa_scan_results *scan_res) | |
5739 | { | |
5740 | wpa_printf(MSG_DEBUG, "P2P: Ignore scan results"); | |
5741 | } | |
5742 | ||
5743 | ||
59eba7a2 JM |
5744 | int wpas_p2p_cancel(struct wpa_supplicant *wpa_s) |
5745 | { | |
5746 | struct wpa_global *global = wpa_s->global; | |
5747 | int found = 0; | |
231bbd03 | 5748 | const u8 *peer; |
59eba7a2 | 5749 | |
9526fd29 JM |
5750 | if (global->p2p == NULL) |
5751 | return -1; | |
5752 | ||
59eba7a2 JM |
5753 | wpa_printf(MSG_DEBUG, "P2P: Request to cancel group formation"); |
5754 | ||
5755 | if (wpa_s->pending_interface_name[0] && | |
5756 | !is_zero_ether_addr(wpa_s->pending_interface_addr)) | |
5757 | found = 1; | |
5758 | ||
231bbd03 SS |
5759 | peer = p2p_get_go_neg_peer(global->p2p); |
5760 | if (peer) { | |
5761 | wpa_printf(MSG_DEBUG, "P2P: Unauthorize pending GO Neg peer " | |
5762 | MACSTR, MAC2STR(peer)); | |
5763 | p2p_unauthorize(global->p2p, peer); | |
75c208b9 | 5764 | found = 1; |
231bbd03 SS |
5765 | } |
5766 | ||
50178335 JM |
5767 | if (wpa_s->scan_res_handler == wpas_p2p_scan_res_join) { |
5768 | wpa_printf(MSG_DEBUG, "P2P: Stop pending scan for join"); | |
5769 | wpa_s->scan_res_handler = wpas_p2p_scan_res_ignore; | |
5770 | found = 1; | |
5771 | } | |
5772 | ||
5773 | if (wpa_s->pending_pd_before_join) { | |
5774 | wpa_printf(MSG_DEBUG, "P2P: Stop pending PD before join"); | |
5775 | wpa_s->pending_pd_before_join = 0; | |
5776 | found = 1; | |
5777 | } | |
5778 | ||
59eba7a2 JM |
5779 | wpas_p2p_stop_find(wpa_s); |
5780 | ||
5781 | for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) { | |
5782 | if (wpa_s == global->p2p_group_formation && | |
a0a9f3b0 JM |
5783 | (wpa_s->p2p_in_provisioning || |
5784 | wpa_s->parent->pending_interface_type == | |
5785 | WPA_IF_P2P_CLIENT)) { | |
59eba7a2 JM |
5786 | wpa_printf(MSG_DEBUG, "P2P: Interface %s in group " |
5787 | "formation found - cancelling", | |
5788 | wpa_s->ifname); | |
5789 | found = 1; | |
45fee6f0 SS |
5790 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, |
5791 | wpa_s->parent, NULL); | |
30b80389 JM |
5792 | if (wpa_s->p2p_in_provisioning) { |
5793 | wpas_group_formation_completed(wpa_s, 0); | |
5794 | break; | |
5795 | } | |
8dba4aef JM |
5796 | wpas_p2p_group_delete(wpa_s, |
5797 | P2P_GROUP_REMOVAL_REQUESTED); | |
59eba7a2 JM |
5798 | break; |
5799 | } | |
5800 | } | |
5801 | ||
5802 | if (!found) { | |
5803 | wpa_printf(MSG_DEBUG, "P2P: No ongoing group formation found"); | |
5804 | return -1; | |
5805 | } | |
5806 | ||
5807 | return 0; | |
5808 | } | |
c973f386 JM |
5809 | |
5810 | ||
5811 | void wpas_p2p_interface_unavailable(struct wpa_supplicant *wpa_s) | |
5812 | { | |
5813 | if (wpa_s->current_ssid == NULL || !wpa_s->current_ssid->p2p_group) | |
5814 | return; | |
5815 | ||
5816 | wpa_printf(MSG_DEBUG, "P2P: Remove group due to driver resource not " | |
5817 | "being available anymore"); | |
8dba4aef | 5818 | wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_UNAVAILABLE); |
c973f386 | 5819 | } |
7cfc4ac3 AGS |
5820 | |
5821 | ||
5822 | void wpas_p2p_update_best_channels(struct wpa_supplicant *wpa_s, | |
5823 | int freq_24, int freq_5, int freq_overall) | |
5824 | { | |
5825 | struct p2p_data *p2p = wpa_s->global->p2p; | |
5826 | if (p2p == NULL || (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)) | |
5827 | return; | |
5828 | p2p_set_best_channels(p2p, freq_24, freq_5, freq_overall); | |
5829 | } | |
9d562b79 SS |
5830 | |
5831 | ||
5832 | int wpas_p2p_unauthorize(struct wpa_supplicant *wpa_s, const char *addr) | |
5833 | { | |
5834 | u8 peer[ETH_ALEN]; | |
5835 | struct p2p_data *p2p = wpa_s->global->p2p; | |
5836 | ||
5837 | if (p2p == NULL || (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)) | |
5838 | return -1; | |
5839 | ||
5840 | if (hwaddr_aton(addr, peer)) | |
5841 | return -1; | |
5842 | ||
5843 | return p2p_unauthorize(p2p, peer); | |
5844 | } | |
3103f345 JB |
5845 | |
5846 | ||
5847 | /** | |
5848 | * wpas_p2p_disconnect - Disconnect from a P2P Group | |
5849 | * @wpa_s: Pointer to wpa_supplicant data | |
5850 | * Returns: 0 on success, -1 on failure | |
5851 | * | |
5852 | * This can be used to disconnect from a group in which the local end is a P2P | |
5853 | * Client or to end a P2P Group in case the local end is the Group Owner. If a | |
5854 | * virtual network interface was created for this group, that interface will be | |
5855 | * removed. Otherwise, only the configured P2P group network will be removed | |
5856 | * from the interface. | |
5857 | */ | |
5858 | int wpas_p2p_disconnect(struct wpa_supplicant *wpa_s) | |
5859 | { | |
5860 | ||
5861 | if (wpa_s == NULL) | |
5862 | return -1; | |
5863 | ||
0aadd568 JM |
5864 | return wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_REQUESTED) < 0 ? |
5865 | -1 : 0; | |
3103f345 | 5866 | } |
303f60d3 JM |
5867 | |
5868 | ||
5869 | int wpas_p2p_in_progress(struct wpa_supplicant *wpa_s) | |
5870 | { | |
ec01d5f6 JM |
5871 | int ret; |
5872 | ||
303f60d3 JM |
5873 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
5874 | return 0; | |
5875 | ||
ec01d5f6 JM |
5876 | ret = p2p_in_progress(wpa_s->global->p2p); |
5877 | if (ret == 0) { | |
5878 | /* | |
5879 | * Check whether there is an ongoing WPS provisioning step (or | |
5880 | * other parts of group formation) on another interface since | |
5881 | * p2p_in_progress() does not report this to avoid issues for | |
5882 | * scans during such provisioning step. | |
5883 | */ | |
5884 | if (wpa_s->global->p2p_group_formation && | |
5885 | wpa_s->global->p2p_group_formation != wpa_s) { | |
5886 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Another interface (%s) " | |
5887 | "in group formation", | |
5888 | wpa_s->global->p2p_group_formation->ifname); | |
5889 | ret = 1; | |
5890 | } | |
5891 | } | |
5892 | ||
c1c0b35f JM |
5893 | if (!ret && wpa_s->global->p2p_go_wait_client.sec) { |
5894 | struct os_time now; | |
5895 | os_get_time(&now); | |
5896 | if (now.sec > wpa_s->global->p2p_go_wait_client.sec + | |
5897 | P2P_MAX_INITIAL_CONN_WAIT_GO) { | |
5898 | /* Wait for the first client has expired */ | |
5899 | wpa_s->global->p2p_go_wait_client.sec = 0; | |
5900 | } else { | |
5901 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Waiting for initial client connection during group formation"); | |
5902 | ret = 1; | |
5903 | } | |
5904 | } | |
5905 | ||
ec01d5f6 | 5906 | return ret; |
303f60d3 | 5907 | } |
502618f7 JM |
5908 | |
5909 | ||
5910 | void wpas_p2p_network_removed(struct wpa_supplicant *wpa_s, | |
5911 | struct wpa_ssid *ssid) | |
502618f7 JM |
5912 | { |
5913 | if (wpa_s->p2p_in_provisioning && ssid->p2p_group && | |
5914 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, | |
5915 | wpa_s->parent, NULL) > 0) { | |
eb6f8c2b AC |
5916 | /** |
5917 | * Remove the network by scheduling the group formation | |
5918 | * timeout to happen immediately. The teardown code | |
5919 | * needs to be scheduled to run asynch later so that we | |
5920 | * don't delete data from under ourselves unexpectedly. | |
5921 | * Calling wpas_p2p_group_formation_timeout directly | |
5922 | * causes a series of crashes in WPS failure scenarios. | |
5923 | */ | |
502618f7 JM |
5924 | wpa_printf(MSG_DEBUG, "P2P: Canceled group formation due to " |
5925 | "P2P group network getting removed"); | |
eb6f8c2b AC |
5926 | eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout, |
5927 | wpa_s->parent, NULL); | |
502618f7 JM |
5928 | } |
5929 | } | |
87f841a1 JM |
5930 | |
5931 | ||
5932 | struct wpa_ssid * wpas_p2p_get_persistent(struct wpa_supplicant *wpa_s, | |
c427ac92 JM |
5933 | const u8 *addr, const u8 *ssid, |
5934 | size_t ssid_len) | |
87f841a1 JM |
5935 | { |
5936 | struct wpa_ssid *s; | |
fbdcfd57 | 5937 | size_t i; |
87f841a1 JM |
5938 | |
5939 | for (s = wpa_s->conf->ssid; s; s = s->next) { | |
fbdcfd57 JM |
5940 | if (s->disabled != 2) |
5941 | continue; | |
c427ac92 JM |
5942 | if (ssid && |
5943 | (ssid_len != s->ssid_len || | |
5944 | os_memcmp(ssid, s->ssid, ssid_len) != 0)) | |
5945 | continue; | |
01a57fe4 JM |
5946 | if (addr == NULL) { |
5947 | if (s->mode == WPAS_MODE_P2P_GO) | |
5948 | return s; | |
5949 | continue; | |
5950 | } | |
fbdcfd57 JM |
5951 | if (os_memcmp(s->bssid, addr, ETH_ALEN) == 0) |
5952 | return s; /* peer is GO in the persistent group */ | |
5953 | if (s->mode != WPAS_MODE_P2P_GO || s->p2p_client_list == NULL) | |
5954 | continue; | |
5955 | for (i = 0; i < s->num_p2p_clients; i++) { | |
5956 | if (os_memcmp(s->p2p_client_list + i * ETH_ALEN, | |
5957 | addr, ETH_ALEN) == 0) | |
5958 | return s; /* peer is P2P client in persistent | |
5959 | * group */ | |
5960 | } | |
87f841a1 JM |
5961 | } |
5962 | ||
5963 | return NULL; | |
5964 | } | |
fbdcfd57 JM |
5965 | |
5966 | ||
5967 | void wpas_p2p_notify_ap_sta_authorized(struct wpa_supplicant *wpa_s, | |
5968 | const u8 *addr) | |
5969 | { | |
eab2b50d JM |
5970 | if (eloop_cancel_timeout(wpas_p2p_group_formation_timeout, |
5971 | wpa_s->parent, NULL) > 0) { | |
5972 | /* | |
5973 | * This can happen if WPS provisioning step is not terminated | |
5974 | * cleanly (e.g., P2P Client does not send WSC_Done). Since the | |
5975 | * peer was able to connect, there is no need to time out group | |
41f85323 JM |
5976 | * formation after this, though. In addition, this is used with |
5977 | * the initial connection wait on the GO as a separate formation | |
5978 | * timeout and as such, expected to be hit after the initial WPS | |
5979 | * provisioning step. | |
eab2b50d | 5980 | */ |
41f85323 JM |
5981 | wpa_printf(MSG_DEBUG, "P2P: Canceled P2P group formation timeout on data connection"); |
5982 | } | |
5983 | if (!wpa_s->p2p_go_group_formation_completed) { | |
5984 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Marking group formation completed on GO on first data connection"); | |
5985 | wpa_s->p2p_go_group_formation_completed = 1; | |
5986 | wpa_s->global->p2p_group_formation = NULL; | |
5987 | wpa_s->p2p_in_provisioning = 0; | |
eab2b50d | 5988 | } |
c1c0b35f | 5989 | wpa_s->global->p2p_go_wait_client.sec = 0; |
fbdcfd57 JM |
5990 | if (addr == NULL) |
5991 | return; | |
5992 | wpas_p2p_add_persistent_group_client(wpa_s, addr); | |
5993 | } | |
aa9bb764 JM |
5994 | |
5995 | ||
5996 | static void wpas_p2p_fallback_to_go_neg(struct wpa_supplicant *wpa_s, | |
5997 | int group_added) | |
5998 | { | |
5999 | struct wpa_supplicant *group = wpa_s; | |
6000 | if (wpa_s->global->p2p_group_formation) | |
6001 | group = wpa_s->global->p2p_group_formation; | |
6002 | wpa_s = wpa_s->parent; | |
b80eb89d | 6003 | offchannel_send_action_done(wpa_s); |
aa9bb764 | 6004 | if (group_added) |
8dba4aef | 6005 | wpas_p2p_group_delete(group, P2P_GROUP_REMOVAL_SILENT); |
aa9bb764 JM |
6006 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Fall back to GO Negotiation"); |
6007 | wpas_p2p_connect(wpa_s, wpa_s->pending_join_dev_addr, wpa_s->p2p_pin, | |
6008 | wpa_s->p2p_wps_method, wpa_s->p2p_persistent_group, 0, | |
6009 | 0, 0, wpa_s->p2p_go_intent, wpa_s->p2p_connect_freq, | |
3bc462cb | 6010 | wpa_s->p2p_persistent_id, |
e2308e4b RM |
6011 | wpa_s->p2p_pd_before_go_neg, |
6012 | wpa_s->p2p_go_ht40); | |
aa9bb764 JM |
6013 | } |
6014 | ||
6015 | ||
6016 | int wpas_p2p_scan_no_go_seen(struct wpa_supplicant *wpa_s) | |
6017 | { | |
6018 | if (!wpa_s->p2p_fallback_to_go_neg || | |
6019 | wpa_s->p2p_in_provisioning <= 5) | |
6020 | return 0; | |
6021 | ||
b80eb89d JM |
6022 | if (wpas_p2p_peer_go(wpa_s, wpa_s->pending_join_dev_addr) > 0) |
6023 | return 0; /* peer operating as a GO */ | |
6024 | ||
aa9bb764 JM |
6025 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: GO not found for p2p_connect-auto - " |
6026 | "fallback to GO Negotiation"); | |
6027 | wpas_p2p_fallback_to_go_neg(wpa_s, 1); | |
6028 | ||
6029 | return 1; | |
6030 | } | |
05a77b3b JM |
6031 | |
6032 | ||
6033 | unsigned int wpas_p2p_search_delay(struct wpa_supplicant *wpa_s) | |
6034 | { | |
6035 | const char *rn, *rn2; | |
6036 | struct wpa_supplicant *ifs; | |
6037 | ||
6038 | if (wpa_s->wpa_state > WPA_SCANNING) { | |
6039 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Use %u ms search delay due to " | |
6040 | "concurrent operation", | |
6041 | P2P_CONCURRENT_SEARCH_DELAY); | |
6042 | return P2P_CONCURRENT_SEARCH_DELAY; | |
6043 | } | |
6044 | ||
6045 | if (!wpa_s->driver->get_radio_name) | |
6046 | return 0; | |
6047 | rn = wpa_s->driver->get_radio_name(wpa_s->drv_priv); | |
6048 | if (rn == NULL || rn[0] == '\0') | |
6049 | return 0; | |
6050 | ||
6051 | for (ifs = wpa_s->global->ifaces; ifs; ifs = ifs->next) { | |
6052 | if (ifs == wpa_s || !ifs->driver->get_radio_name) | |
6053 | continue; | |
6054 | ||
6055 | rn2 = ifs->driver->get_radio_name(ifs->drv_priv); | |
6056 | if (!rn2 || os_strcmp(rn, rn2) != 0) | |
6057 | continue; | |
6058 | if (ifs->wpa_state > WPA_SCANNING) { | |
6059 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Use %u ms search " | |
6060 | "delay due to concurrent operation on " | |
6061 | "interface %s", | |
6062 | P2P_CONCURRENT_SEARCH_DELAY, ifs->ifname); | |
6063 | return P2P_CONCURRENT_SEARCH_DELAY; | |
6064 | } | |
6065 | } | |
6066 | ||
6067 | return 0; | |
6068 | } | |
f85f545e JM |
6069 | |
6070 | ||
6071 | void wpas_p2p_continue_after_scan(struct wpa_supplicant *wpa_s) | |
6072 | { | |
6073 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Station mode scan operation not " | |
6074 | "pending anymore (sta_scan_pending=%d " | |
6075 | "p2p_cb_on_scan_complete=%d)", wpa_s->sta_scan_pending, | |
6076 | wpa_s->global->p2p_cb_on_scan_complete); | |
6077 | wpa_s->sta_scan_pending = 0; | |
6078 | ||
6079 | if (!wpa_s->global->p2p_cb_on_scan_complete) | |
6080 | return; | |
6081 | wpa_s->global->p2p_cb_on_scan_complete = 0; | |
6082 | ||
6083 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) | |
6084 | return; | |
6085 | ||
6086 | if (p2p_other_scan_completed(wpa_s->global->p2p) == 1) { | |
6087 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Pending P2P operation " | |
6088 | "continued after successful connection"); | |
6089 | p2p_increase_search_delay(wpa_s->global->p2p, | |
6090 | wpas_p2p_search_delay(wpa_s)); | |
6091 | } | |
6092 | } | |
01a57fe4 JM |
6093 | |
6094 | ||
43c693c2 JM |
6095 | static int wpas_p2p_remove_psk_entry(struct wpa_supplicant *wpa_s, |
6096 | struct wpa_ssid *s, const u8 *addr, | |
6097 | int iface_addr) | |
6098 | { | |
6099 | struct psk_list_entry *psk, *tmp; | |
6100 | int changed = 0; | |
6101 | ||
6102 | dl_list_for_each_safe(psk, tmp, &s->psk_list, struct psk_list_entry, | |
6103 | list) { | |
6104 | if ((iface_addr && !psk->p2p && | |
6105 | os_memcmp(addr, psk->addr, ETH_ALEN) == 0) || | |
6106 | (!iface_addr && psk->p2p && | |
6107 | os_memcmp(addr, psk->addr, ETH_ALEN) == 0)) { | |
6108 | wpa_dbg(wpa_s, MSG_DEBUG, | |
6109 | "P2P: Remove persistent group PSK list entry for " | |
6110 | MACSTR " p2p=%u", | |
6111 | MAC2STR(psk->addr), psk->p2p); | |
6112 | dl_list_del(&psk->list); | |
6113 | os_free(psk); | |
6114 | changed++; | |
6115 | } | |
6116 | } | |
6117 | ||
6118 | return changed; | |
6119 | } | |
6120 | ||
6121 | ||
01a57fe4 JM |
6122 | void wpas_p2p_new_psk_cb(struct wpa_supplicant *wpa_s, const u8 *mac_addr, |
6123 | const u8 *p2p_dev_addr, | |
6124 | const u8 *psk, size_t psk_len) | |
6125 | { | |
6126 | struct wpa_ssid *ssid = wpa_s->current_ssid; | |
6127 | struct wpa_ssid *persistent; | |
6128 | struct psk_list_entry *p; | |
6129 | ||
6130 | if (psk_len != sizeof(p->psk)) | |
6131 | return; | |
6132 | ||
6133 | if (p2p_dev_addr) { | |
6134 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: New PSK for addr=" MACSTR | |
6135 | " p2p_dev_addr=" MACSTR, | |
6136 | MAC2STR(mac_addr), MAC2STR(p2p_dev_addr)); | |
6137 | if (is_zero_ether_addr(p2p_dev_addr)) | |
6138 | p2p_dev_addr = NULL; | |
6139 | } else { | |
6140 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: New PSK for addr=" MACSTR, | |
6141 | MAC2STR(mac_addr)); | |
6142 | } | |
6143 | ||
6144 | if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) { | |
6145 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: new_psk_cb during group formation"); | |
6146 | /* To be added to persistent group once created */ | |
6147 | if (wpa_s->global->add_psk == NULL) { | |
6148 | wpa_s->global->add_psk = os_zalloc(sizeof(*p)); | |
6149 | if (wpa_s->global->add_psk == NULL) | |
6150 | return; | |
6151 | } | |
6152 | p = wpa_s->global->add_psk; | |
6153 | if (p2p_dev_addr) { | |
6154 | p->p2p = 1; | |
6155 | os_memcpy(p->addr, p2p_dev_addr, ETH_ALEN); | |
6156 | } else { | |
6157 | p->p2p = 0; | |
6158 | os_memcpy(p->addr, mac_addr, ETH_ALEN); | |
6159 | } | |
6160 | os_memcpy(p->psk, psk, psk_len); | |
6161 | return; | |
6162 | } | |
6163 | ||
6164 | if (ssid->mode != WPAS_MODE_P2P_GO || !ssid->p2p_persistent_group) { | |
6165 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Ignore new_psk_cb on not-persistent GO"); | |
6166 | return; | |
6167 | } | |
6168 | ||
6169 | persistent = wpas_p2p_get_persistent(wpa_s->parent, NULL, ssid->ssid, | |
6170 | ssid->ssid_len); | |
6171 | if (!persistent) { | |
6172 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Could not find persistent group information to store the new PSK"); | |
6173 | return; | |
6174 | } | |
6175 | ||
6176 | p = os_zalloc(sizeof(*p)); | |
6177 | if (p == NULL) | |
6178 | return; | |
6179 | if (p2p_dev_addr) { | |
6180 | p->p2p = 1; | |
6181 | os_memcpy(p->addr, p2p_dev_addr, ETH_ALEN); | |
6182 | } else { | |
6183 | p->p2p = 0; | |
6184 | os_memcpy(p->addr, mac_addr, ETH_ALEN); | |
6185 | } | |
6186 | os_memcpy(p->psk, psk, psk_len); | |
6187 | ||
6188 | if (dl_list_len(&persistent->psk_list) > P2P_MAX_STORED_CLIENTS) { | |
6189 | struct psk_list_entry *last; | |
6190 | last = dl_list_last(&persistent->psk_list, | |
6191 | struct psk_list_entry, list); | |
6192 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Remove oldest PSK entry for " | |
6193 | MACSTR " (p2p=%u) to make room for a new one", | |
6194 | MAC2STR(last->addr), last->p2p); | |
6195 | dl_list_del(&last->list); | |
6196 | os_free(last); | |
6197 | } | |
6198 | ||
43c693c2 JM |
6199 | wpas_p2p_remove_psk_entry(wpa_s->parent, persistent, |
6200 | p2p_dev_addr ? p2p_dev_addr : mac_addr, | |
6201 | p2p_dev_addr == NULL); | |
6202 | if (p2p_dev_addr) { | |
6203 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Add new PSK for p2p_dev_addr=" | |
6204 | MACSTR, MAC2STR(p2p_dev_addr)); | |
6205 | } else { | |
6206 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Add new PSK for addr=" MACSTR, | |
6207 | MAC2STR(mac_addr)); | |
6208 | } | |
01a57fe4 JM |
6209 | dl_list_add(&persistent->psk_list, &p->list); |
6210 | ||
6211 | #ifndef CONFIG_NO_CONFIG_WRITE | |
6212 | if (wpa_s->parent->conf->update_config && | |
6213 | wpa_config_write(wpa_s->parent->confname, wpa_s->parent->conf)) | |
6214 | wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration"); | |
6215 | #endif /* CONFIG_NO_CONFIG_WRITE */ | |
6216 | } | |
f2c56602 JM |
6217 | |
6218 | ||
6219 | static void wpas_p2p_remove_psk(struct wpa_supplicant *wpa_s, | |
6220 | struct wpa_ssid *s, const u8 *addr, | |
6221 | int iface_addr) | |
6222 | { | |
43c693c2 | 6223 | int res; |
f2c56602 | 6224 | |
43c693c2 JM |
6225 | res = wpas_p2p_remove_psk_entry(wpa_s, s, addr, iface_addr); |
6226 | if (res > 0) { | |
f2c56602 | 6227 | #ifndef CONFIG_NO_CONFIG_WRITE |
43c693c2 JM |
6228 | if (wpa_s->conf->update_config && |
6229 | wpa_config_write(wpa_s->confname, wpa_s->conf)) | |
6230 | wpa_dbg(wpa_s, MSG_DEBUG, | |
6231 | "P2P: Failed to update configuration"); | |
f2c56602 | 6232 | #endif /* CONFIG_NO_CONFIG_WRITE */ |
43c693c2 | 6233 | } |
f2c56602 JM |
6234 | } |
6235 | ||
6236 | ||
6237 | static void wpas_p2p_remove_client_go(struct wpa_supplicant *wpa_s, | |
6238 | const u8 *peer, int iface_addr) | |
6239 | { | |
6240 | struct hostapd_data *hapd; | |
6241 | struct hostapd_wpa_psk *psk, *prev, *rem; | |
6242 | struct sta_info *sta; | |
6243 | ||
6244 | if (wpa_s->ap_iface == NULL || wpa_s->current_ssid == NULL || | |
6245 | wpa_s->current_ssid->mode != WPAS_MODE_P2P_GO) | |
6246 | return; | |
6247 | ||
6248 | /* Remove per-station PSK entry */ | |
6249 | hapd = wpa_s->ap_iface->bss[0]; | |
6250 | prev = NULL; | |
6251 | psk = hapd->conf->ssid.wpa_psk; | |
6252 | while (psk) { | |
6253 | if ((iface_addr && os_memcmp(peer, psk->addr, ETH_ALEN) == 0) || | |
6254 | (!iface_addr && | |
6255 | os_memcmp(peer, psk->p2p_dev_addr, ETH_ALEN) == 0)) { | |
6256 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Remove operating group PSK entry for " | |
6257 | MACSTR " iface_addr=%d", | |
6258 | MAC2STR(peer), iface_addr); | |
6259 | if (prev) | |
6260 | prev->next = psk->next; | |
6261 | else | |
6262 | hapd->conf->ssid.wpa_psk = psk->next; | |
6263 | rem = psk; | |
6264 | psk = psk->next; | |
6265 | os_free(rem); | |
6266 | } else { | |
6267 | prev = psk; | |
6268 | psk = psk->next; | |
6269 | } | |
6270 | } | |
6271 | ||
6272 | /* Disconnect from group */ | |
6273 | if (iface_addr) | |
6274 | sta = ap_get_sta(hapd, peer); | |
6275 | else | |
6276 | sta = ap_get_sta_p2p(hapd, peer); | |
6277 | if (sta) { | |
6278 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Disconnect peer " MACSTR | |
6279 | " (iface_addr=%d) from group", | |
6280 | MAC2STR(peer), iface_addr); | |
6281 | hostapd_drv_sta_deauth(hapd, sta->addr, | |
6282 | WLAN_REASON_DEAUTH_LEAVING); | |
6283 | ap_sta_deauthenticate(hapd, sta, WLAN_REASON_DEAUTH_LEAVING); | |
6284 | } | |
6285 | } | |
6286 | ||
6287 | ||
6288 | void wpas_p2p_remove_client(struct wpa_supplicant *wpa_s, const u8 *peer, | |
6289 | int iface_addr) | |
6290 | { | |
6291 | struct wpa_ssid *s; | |
6292 | struct wpa_supplicant *w; | |
6293 | ||
6294 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Remove client " MACSTR, MAC2STR(peer)); | |
6295 | ||
6296 | /* Remove from any persistent group */ | |
6297 | for (s = wpa_s->parent->conf->ssid; s; s = s->next) { | |
6298 | if (s->disabled != 2 || s->mode != WPAS_MODE_P2P_GO) | |
6299 | continue; | |
6300 | if (!iface_addr) | |
6301 | wpas_remove_persistent_peer(wpa_s, s, peer, 0); | |
6302 | wpas_p2p_remove_psk(wpa_s->parent, s, peer, iface_addr); | |
6303 | } | |
6304 | ||
6305 | /* Remove from any operating group */ | |
6306 | for (w = wpa_s->global->ifaces; w; w = w->next) | |
6307 | wpas_p2p_remove_client_go(w, peer, iface_addr); | |
6308 | } | |
5bf9a6c8 JM |
6309 | |
6310 | ||
813e7b36 JM |
6311 | static void wpas_p2p_psk_failure_removal(void *eloop_ctx, void *timeout_ctx) |
6312 | { | |
6313 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
6314 | wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_PSK_FAILURE); | |
6315 | } | |
6316 | ||
6317 | ||
5bf9a6c8 JM |
6318 | int wpas_p2p_4way_hs_failed(struct wpa_supplicant *wpa_s) |
6319 | { | |
6320 | struct wpa_ssid *ssid = wpa_s->current_ssid; | |
6321 | ||
6322 | if (ssid == NULL || !ssid->p2p_group) | |
6323 | return 0; | |
6324 | ||
6325 | if (wpa_s->p2p_last_4way_hs_fail && | |
6326 | wpa_s->p2p_last_4way_hs_fail == ssid) { | |
6327 | u8 go_dev_addr[ETH_ALEN]; | |
6328 | struct wpa_ssid *persistent; | |
6329 | ||
6330 | if (wpas_p2p_persistent_group(wpa_s, go_dev_addr, | |
6331 | ssid->ssid, | |
6332 | ssid->ssid_len) <= 0) { | |
6333 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Could not determine whether 4-way handshake failures were for a persistent group"); | |
6334 | goto disconnect; | |
6335 | } | |
6336 | ||
6337 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Two 4-way handshake failures for a P2P group - go_dev_addr=" | |
6338 | MACSTR, MAC2STR(go_dev_addr)); | |
6339 | persistent = wpas_p2p_get_persistent(wpa_s->parent, go_dev_addr, | |
6340 | ssid->ssid, | |
6341 | ssid->ssid_len); | |
6342 | if (persistent == NULL || persistent->mode != WPAS_MODE_INFRA) { | |
6343 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: No matching persistent group stored"); | |
6344 | goto disconnect; | |
6345 | } | |
6346 | wpa_msg_global(wpa_s->parent, MSG_INFO, | |
6347 | P2P_EVENT_PERSISTENT_PSK_FAIL "%d", | |
6348 | persistent->id); | |
6349 | disconnect: | |
6350 | wpa_s->p2p_last_4way_hs_fail = NULL; | |
813e7b36 JM |
6351 | /* |
6352 | * Remove the group from a timeout to avoid issues with caller | |
6353 | * continuing to use the interface if this is on a P2P group | |
6354 | * interface. | |
6355 | */ | |
6356 | eloop_register_timeout(0, 0, wpas_p2p_psk_failure_removal, | |
6357 | wpa_s, NULL); | |
5bf9a6c8 JM |
6358 | return 1; |
6359 | } | |
6360 | ||
6361 | wpa_s->p2p_last_4way_hs_fail = ssid; | |
6362 | return 0; | |
6363 | } |