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b22128ef JM |
1 | /* |
2 | * wpa_supplicant - P2P | |
3 | * Copyright (c) 2009-2010, Atheros Communications | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License version 2 as | |
7 | * published by the Free Software Foundation. | |
8 | * | |
9 | * Alternatively, this software may be distributed under the terms of BSD | |
10 | * license. | |
11 | * | |
12 | * See README and COPYING for more details. | |
13 | */ | |
14 | ||
15 | #include "includes.h" | |
16 | ||
17 | #include "common.h" | |
18 | #include "eloop.h" | |
19 | #include "common/ieee802_11_common.h" | |
20 | #include "common/ieee802_11_defs.h" | |
21 | #include "common/wpa_ctrl.h" | |
22 | #include "wps/wps_i.h" | |
23 | #include "p2p/p2p.h" | |
24 | #include "ap/hostapd.h" | |
aefb53bd | 25 | #include "ap/p2p_hostapd.h" |
20a0b03d JM |
26 | #include "eapol_supp/eapol_supp_sm.h" |
27 | #include "rsn_supp/wpa.h" | |
b22128ef JM |
28 | #include "wpa_supplicant_i.h" |
29 | #include "driver_i.h" | |
30 | #include "ap.h" | |
31 | #include "config_ssid.h" | |
32 | #include "config.h" | |
b22128ef JM |
33 | #include "notify.h" |
34 | #include "scan.h" | |
35 | #include "bss.h" | |
24f6497c | 36 | #include "offchannel.h" |
b22128ef JM |
37 | #include "wps_supplicant.h" |
38 | #include "p2p_supplicant.h" | |
39 | ||
40 | ||
9b1ab931 JM |
41 | /* |
42 | * How many times to try to scan to find the GO before giving up on join | |
43 | * request. | |
44 | */ | |
45 | #define P2P_MAX_JOIN_SCAN_ATTEMPTS 10 | |
46 | ||
47 | ||
b22128ef JM |
48 | static void wpas_p2p_long_listen_timeout(void *eloop_ctx, void *timeout_ctx); |
49 | static struct wpa_supplicant * | |
50 | wpas_p2p_get_group_iface(struct wpa_supplicant *wpa_s, int addr_allocated, | |
51 | int go); | |
52 | static int wpas_p2p_join_start(struct wpa_supplicant *wpa_s); | |
ef922c4a | 53 | static void wpas_p2p_join_scan(void *eloop_ctx, void *timeout_ctx); |
108def93 JM |
54 | static int wpas_p2p_join(struct wpa_supplicant *wpa_s, const u8 *iface_addr, |
55 | const u8 *dev_addr, enum p2p_wps_method wps_method); | |
b22128ef | 56 | static int wpas_p2p_create_iface(struct wpa_supplicant *wpa_s); |
72044390 | 57 | static void wpas_p2p_cross_connect_setup(struct wpa_supplicant *wpa_s); |
3071e181 JM |
58 | static void wpas_p2p_group_idle_timeout(void *eloop_ctx, void *timeout_ctx); |
59 | static void wpas_p2p_set_group_idle_timeout(struct wpa_supplicant *wpa_s); | |
b22128ef JM |
60 | |
61 | ||
62 | static void wpas_p2p_scan_res_handler(struct wpa_supplicant *wpa_s, | |
63 | struct wpa_scan_results *scan_res) | |
64 | { | |
65 | size_t i; | |
66 | ||
9526fd29 | 67 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
b22128ef JM |
68 | return; |
69 | ||
70 | wpa_printf(MSG_DEBUG, "P2P: Scan results received (%d BSS)", | |
71 | (int) scan_res->num); | |
72 | ||
73 | for (i = 0; i < scan_res->num; i++) { | |
74 | struct wpa_scan_res *bss = scan_res->res[i]; | |
75 | if (p2p_scan_res_handler(wpa_s->global->p2p, bss->bssid, | |
76 | bss->freq, bss->level, | |
77 | (const u8 *) (bss + 1), | |
78 | bss->ie_len) > 0) | |
9bcf9541 | 79 | break; |
b22128ef JM |
80 | } |
81 | ||
82 | p2p_scan_res_handled(wpa_s->global->p2p); | |
83 | } | |
84 | ||
85 | ||
046ef4aa JMB |
86 | static int wpas_p2p_scan(void *ctx, enum p2p_scan_type type, int freq, |
87 | unsigned int num_req_dev_types, | |
88 | const u8 *req_dev_types) | |
b22128ef JM |
89 | { |
90 | struct wpa_supplicant *wpa_s = ctx; | |
91 | struct wpa_driver_scan_params params; | |
92 | int ret; | |
93 | struct wpabuf *wps_ie, *ies; | |
94 | int social_channels[] = { 2412, 2437, 2462, 0, 0 }; | |
206e1f42 | 95 | size_t ielen; |
b22128ef | 96 | |
9526fd29 JM |
97 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
98 | return -1; | |
99 | ||
b22128ef JM |
100 | os_memset(¶ms, 0, sizeof(params)); |
101 | ||
102 | /* P2P Wildcard SSID */ | |
103 | params.num_ssids = 1; | |
104 | params.ssids[0].ssid = (u8 *) P2P_WILDCARD_SSID; | |
105 | params.ssids[0].ssid_len = P2P_WILDCARD_SSID_LEN; | |
106 | ||
107 | wpa_s->wps->dev.p2p = 1; | |
108 | wps_ie = wps_build_probe_req_ie(0, &wpa_s->wps->dev, wpa_s->wps->uuid, | |
046ef4aa JMB |
109 | WPS_REQ_ENROLLEE, |
110 | num_req_dev_types, req_dev_types); | |
b22128ef JM |
111 | if (wps_ie == NULL) |
112 | return -1; | |
113 | ||
206e1f42 JM |
114 | ielen = p2p_scan_ie_buf_len(wpa_s->global->p2p); |
115 | ies = wpabuf_alloc(wpabuf_len(wps_ie) + ielen); | |
b22128ef JM |
116 | if (ies == NULL) { |
117 | wpabuf_free(wps_ie); | |
118 | return -1; | |
119 | } | |
120 | wpabuf_put_buf(ies, wps_ie); | |
121 | wpabuf_free(wps_ie); | |
122 | ||
123 | p2p_scan_ie(wpa_s->global->p2p, ies); | |
124 | ||
47185fc7 | 125 | params.p2p_probe = 1; |
b22128ef JM |
126 | params.extra_ies = wpabuf_head(ies); |
127 | params.extra_ies_len = wpabuf_len(ies); | |
128 | ||
129 | switch (type) { | |
130 | case P2P_SCAN_SOCIAL: | |
131 | params.freqs = social_channels; | |
132 | break; | |
133 | case P2P_SCAN_FULL: | |
134 | break; | |
135 | case P2P_SCAN_SPECIFIC: | |
136 | social_channels[0] = freq; | |
137 | social_channels[1] = 0; | |
138 | params.freqs = social_channels; | |
139 | break; | |
140 | case P2P_SCAN_SOCIAL_PLUS_ONE: | |
141 | social_channels[3] = freq; | |
142 | params.freqs = social_channels; | |
143 | break; | |
144 | } | |
145 | ||
146 | wpa_s->scan_res_handler = wpas_p2p_scan_res_handler; | |
17fbb751 | 147 | ret = wpa_drv_scan(wpa_s, ¶ms); |
b22128ef JM |
148 | |
149 | wpabuf_free(ies); | |
150 | ||
0c96fd6d JM |
151 | if (ret < 0) |
152 | wpa_s->scan_res_handler = NULL; | |
153 | ||
b22128ef JM |
154 | return ret; |
155 | } | |
156 | ||
157 | ||
b22128ef JM |
158 | static enum wpa_driver_if_type wpas_p2p_if_type(int p2p_group_interface) |
159 | { | |
160 | switch (p2p_group_interface) { | |
161 | case P2P_GROUP_INTERFACE_PENDING: | |
162 | return WPA_IF_P2P_GROUP; | |
163 | case P2P_GROUP_INTERFACE_GO: | |
164 | return WPA_IF_P2P_GO; | |
165 | case P2P_GROUP_INTERFACE_CLIENT: | |
166 | return WPA_IF_P2P_CLIENT; | |
167 | } | |
168 | ||
169 | return WPA_IF_P2P_GROUP; | |
170 | } | |
171 | ||
172 | ||
6c0da49f JM |
173 | static struct wpa_supplicant * wpas_get_p2p_group(struct wpa_supplicant *wpa_s, |
174 | const u8 *ssid, | |
175 | size_t ssid_len, int *go) | |
176 | { | |
177 | struct wpa_ssid *s; | |
178 | ||
179 | for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) { | |
180 | for (s = wpa_s->conf->ssid; s; s = s->next) { | |
181 | if (s->disabled != 0 || !s->p2p_group || | |
182 | s->ssid_len != ssid_len || | |
183 | os_memcmp(ssid, s->ssid, ssid_len) != 0) | |
184 | continue; | |
185 | if (s->mode == WPAS_MODE_P2P_GO && | |
186 | s != wpa_s->current_ssid) | |
187 | continue; | |
188 | if (go) | |
189 | *go = s->mode == WPAS_MODE_P2P_GO; | |
190 | return wpa_s; | |
191 | } | |
192 | } | |
193 | ||
194 | return NULL; | |
195 | } | |
196 | ||
197 | ||
b22128ef JM |
198 | static void wpas_p2p_group_delete(struct wpa_supplicant *wpa_s) |
199 | { | |
200 | struct wpa_ssid *ssid; | |
201 | char *gtype; | |
3071e181 JM |
202 | const char *reason; |
203 | ||
204 | eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL); | |
b22128ef JM |
205 | |
206 | ssid = wpa_s->current_ssid; | |
207 | if (ssid == NULL) { | |
208 | /* | |
209 | * The current SSID was not known, but there may still be a | |
210 | * pending P2P group interface waiting for provisioning. | |
211 | */ | |
212 | ssid = wpa_s->conf->ssid; | |
213 | while (ssid) { | |
214 | if (ssid->p2p_group && | |
215 | (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION || | |
216 | (ssid->key_mgmt & WPA_KEY_MGMT_WPS))) | |
217 | break; | |
218 | ssid = ssid->next; | |
219 | } | |
220 | } | |
221 | if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_GO) | |
222 | gtype = "GO"; | |
223 | else if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_CLIENT || | |
224 | (ssid && ssid->mode == WPAS_MODE_INFRA)) { | |
225 | wpa_s->reassociate = 0; | |
226 | wpa_s->disconnected = 1; | |
227 | wpa_supplicant_deauthenticate(wpa_s, | |
228 | WLAN_REASON_DEAUTH_LEAVING); | |
229 | gtype = "client"; | |
230 | } else | |
231 | gtype = "GO"; | |
72044390 JM |
232 | if (wpa_s->cross_connect_in_use) { |
233 | wpa_s->cross_connect_in_use = 0; | |
234 | wpa_msg(wpa_s->parent, MSG_INFO, | |
235 | P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s", | |
236 | wpa_s->ifname, wpa_s->cross_connect_uplink); | |
237 | } | |
3071e181 JM |
238 | switch (wpa_s->removal_reason) { |
239 | case P2P_GROUP_REMOVAL_REQUESTED: | |
240 | reason = " reason=REQUESTED"; | |
241 | break; | |
242 | case P2P_GROUP_REMOVAL_IDLE_TIMEOUT: | |
243 | reason = " reason=IDLE"; | |
244 | break; | |
c973f386 JM |
245 | case P2P_GROUP_REMOVAL_UNAVAILABLE: |
246 | reason = " reason=UNAVAILABLE"; | |
247 | break; | |
3071e181 JM |
248 | default: |
249 | reason = ""; | |
250 | break; | |
251 | } | |
252 | wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_REMOVED "%s %s%s", | |
253 | wpa_s->ifname, gtype, reason); | |
408af93e JB |
254 | |
255 | if (ssid) | |
256 | wpas_notify_p2p_group_removed(wpa_s, ssid, gtype); | |
257 | ||
b22128ef JM |
258 | if (wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE) { |
259 | struct wpa_global *global; | |
260 | char *ifname; | |
261 | enum wpa_driver_if_type type; | |
262 | wpa_printf(MSG_DEBUG, "P2P: Remove group interface %s", | |
263 | wpa_s->ifname); | |
264 | global = wpa_s->global; | |
265 | ifname = os_strdup(wpa_s->ifname); | |
266 | type = wpas_p2p_if_type(wpa_s->p2p_group_interface); | |
267 | wpa_supplicant_remove_iface(wpa_s->global, wpa_s); | |
268 | wpa_s = global->ifaces; | |
269 | if (wpa_s && ifname) | |
270 | wpa_drv_if_remove(wpa_s, type, ifname); | |
271 | os_free(ifname); | |
272 | return; | |
273 | } | |
274 | ||
275 | wpa_printf(MSG_DEBUG, "P2P: Remove temporary group network"); | |
276 | if (ssid && (ssid->p2p_group || | |
277 | ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION || | |
278 | (ssid->key_mgmt & WPA_KEY_MGMT_WPS))) { | |
279 | int id = ssid->id; | |
20a0b03d JM |
280 | if (ssid == wpa_s->current_ssid) { |
281 | wpa_sm_set_config(wpa_s->wpa, NULL); | |
282 | eapol_sm_notify_config(wpa_s->eapol, NULL, NULL); | |
b22128ef | 283 | wpa_s->current_ssid = NULL; |
20a0b03d | 284 | } |
c2762e41 JS |
285 | /* |
286 | * Networks objects created during any P2P activities are not | |
287 | * exposed out as they might/will confuse certain non-P2P aware | |
288 | * applications since these network objects won't behave like | |
289 | * regular ones. | |
290 | * | |
291 | * Likewise, we don't send out network removed signals for such | |
292 | * network objects. | |
293 | */ | |
b22128ef JM |
294 | wpa_config_remove_network(wpa_s->conf, id); |
295 | wpa_supplicant_clear_status(wpa_s); | |
296 | } else { | |
297 | wpa_printf(MSG_DEBUG, "P2P: Temporary group network not " | |
298 | "found"); | |
299 | } | |
300 | wpa_supplicant_ap_deinit(wpa_s); | |
301 | } | |
302 | ||
303 | ||
304 | static int wpas_p2p_persistent_group(struct wpa_supplicant *wpa_s, | |
305 | u8 *go_dev_addr, | |
306 | const u8 *ssid, size_t ssid_len) | |
307 | { | |
308 | struct wpa_bss *bss; | |
309 | const u8 *bssid; | |
310 | struct wpabuf *p2p; | |
311 | u8 group_capab; | |
312 | const u8 *addr; | |
313 | ||
314 | if (wpa_s->go_params) | |
315 | bssid = wpa_s->go_params->peer_interface_addr; | |
316 | else | |
317 | bssid = wpa_s->bssid; | |
318 | ||
319 | bss = wpa_bss_get(wpa_s, bssid, ssid, ssid_len); | |
320 | if (bss == NULL) { | |
321 | u8 iface_addr[ETH_ALEN]; | |
322 | if (p2p_get_interface_addr(wpa_s->global->p2p, bssid, | |
323 | iface_addr) == 0) | |
324 | bss = wpa_bss_get(wpa_s, iface_addr, ssid, ssid_len); | |
325 | } | |
326 | if (bss == NULL) { | |
327 | wpa_printf(MSG_DEBUG, "P2P: Could not figure out whether " | |
328 | "group is persistent - BSS " MACSTR " not found", | |
329 | MAC2STR(bssid)); | |
330 | return 0; | |
331 | } | |
332 | ||
333 | p2p = wpa_bss_get_vendor_ie_multi(bss, P2P_IE_VENDOR_TYPE); | |
334 | if (p2p == NULL) { | |
335 | wpa_printf(MSG_DEBUG, "P2P: Could not figure out whether " | |
336 | "group is persistent - BSS " MACSTR | |
337 | " did not include P2P IE", MAC2STR(bssid)); | |
338 | wpa_hexdump(MSG_DEBUG, "P2P: Probe Response IEs", | |
339 | (u8 *) (bss + 1), bss->ie_len); | |
340 | wpa_hexdump(MSG_DEBUG, "P2P: Beacon IEs", | |
341 | ((u8 *) bss + 1) + bss->ie_len, | |
342 | bss->beacon_ie_len); | |
343 | return 0; | |
344 | } | |
345 | ||
346 | group_capab = p2p_get_group_capab(p2p); | |
347 | addr = p2p_get_go_dev_addr(p2p); | |
348 | wpa_printf(MSG_DEBUG, "P2P: Checking whether group is persistent: " | |
349 | "group_capab=0x%x", group_capab); | |
350 | if (addr) { | |
351 | os_memcpy(go_dev_addr, addr, ETH_ALEN); | |
352 | wpa_printf(MSG_DEBUG, "P2P: GO Device Address " MACSTR, | |
353 | MAC2STR(addr)); | |
354 | } else | |
355 | os_memset(go_dev_addr, 0, ETH_ALEN); | |
356 | wpabuf_free(p2p); | |
357 | ||
358 | wpa_printf(MSG_DEBUG, "P2P: BSS " MACSTR " group_capab=0x%x " | |
359 | "go_dev_addr=" MACSTR, | |
360 | MAC2STR(bssid), group_capab, MAC2STR(go_dev_addr)); | |
361 | ||
362 | return group_capab & P2P_GROUP_CAPAB_PERSISTENT_GROUP; | |
363 | } | |
364 | ||
365 | ||
4b6baa2f JMB |
366 | static int wpas_p2p_store_persistent_group(struct wpa_supplicant *wpa_s, |
367 | struct wpa_ssid *ssid, | |
368 | const u8 *go_dev_addr) | |
b22128ef JM |
369 | { |
370 | struct wpa_ssid *s; | |
371 | int changed = 0; | |
372 | ||
373 | wpa_printf(MSG_DEBUG, "P2P: Storing credentials for a persistent " | |
374 | "group (GO Dev Addr " MACSTR ")", MAC2STR(go_dev_addr)); | |
375 | for (s = wpa_s->conf->ssid; s; s = s->next) { | |
376 | if (s->disabled == 2 && | |
377 | os_memcmp(go_dev_addr, s->bssid, ETH_ALEN) == 0 && | |
378 | s->ssid_len == ssid->ssid_len && | |
379 | os_memcmp(ssid->ssid, s->ssid, ssid->ssid_len) == 0) | |
380 | break; | |
381 | } | |
382 | ||
383 | if (s) { | |
384 | wpa_printf(MSG_DEBUG, "P2P: Update existing persistent group " | |
385 | "entry"); | |
386 | if (ssid->passphrase && !s->passphrase) | |
387 | changed = 1; | |
388 | else if (ssid->passphrase && s->passphrase && | |
389 | os_strcmp(ssid->passphrase, s->passphrase) != 0) | |
390 | changed = 1; | |
391 | } else { | |
392 | wpa_printf(MSG_DEBUG, "P2P: Create a new persistent group " | |
393 | "entry"); | |
394 | changed = 1; | |
395 | s = wpa_config_add_network(wpa_s->conf); | |
396 | if (s == NULL) | |
4b6baa2f | 397 | return -1; |
c2762e41 JS |
398 | |
399 | /* | |
400 | * Instead of network_added we emit persistent_group_added | |
401 | * notification. Also to keep the defense checks in | |
402 | * persistent_group obj registration method, we set the | |
403 | * relevant flags in s to designate it as a persistent group. | |
404 | */ | |
405 | s->p2p_group = 1; | |
406 | s->p2p_persistent_group = 1; | |
407 | wpas_notify_persistent_group_added(wpa_s, s); | |
b22128ef JM |
408 | wpa_config_set_network_defaults(s); |
409 | } | |
410 | ||
411 | s->p2p_group = 1; | |
412 | s->p2p_persistent_group = 1; | |
413 | s->disabled = 2; | |
414 | s->bssid_set = 1; | |
415 | os_memcpy(s->bssid, go_dev_addr, ETH_ALEN); | |
416 | s->mode = ssid->mode; | |
417 | s->auth_alg = WPA_AUTH_ALG_OPEN; | |
418 | s->key_mgmt = WPA_KEY_MGMT_PSK; | |
419 | s->proto = WPA_PROTO_RSN; | |
420 | s->pairwise_cipher = WPA_CIPHER_CCMP; | |
d1c8ac88 | 421 | s->export_keys = 1; |
b22128ef JM |
422 | if (ssid->passphrase) { |
423 | os_free(s->passphrase); | |
424 | s->passphrase = os_strdup(ssid->passphrase); | |
425 | } | |
426 | if (ssid->psk_set) { | |
427 | s->psk_set = 1; | |
428 | os_memcpy(s->psk, ssid->psk, 32); | |
429 | } | |
430 | if (s->passphrase && !s->psk_set) | |
431 | wpa_config_update_psk(s); | |
432 | if (s->ssid == NULL || s->ssid_len < ssid->ssid_len) { | |
433 | os_free(s->ssid); | |
434 | s->ssid = os_malloc(ssid->ssid_len); | |
435 | } | |
436 | if (s->ssid) { | |
437 | s->ssid_len = ssid->ssid_len; | |
438 | os_memcpy(s->ssid, ssid->ssid, s->ssid_len); | |
439 | } | |
440 | ||
441 | #ifndef CONFIG_NO_CONFIG_WRITE | |
442 | if (changed && wpa_s->conf->update_config && | |
443 | wpa_config_write(wpa_s->confname, wpa_s->conf)) { | |
444 | wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration"); | |
445 | } | |
446 | #endif /* CONFIG_NO_CONFIG_WRITE */ | |
4b6baa2f JMB |
447 | |
448 | return s->id; | |
b22128ef JM |
449 | } |
450 | ||
451 | ||
452 | static void wpas_group_formation_completed(struct wpa_supplicant *wpa_s, | |
453 | int success) | |
454 | { | |
455 | struct wpa_ssid *ssid; | |
456 | const char *ssid_txt; | |
457 | int client; | |
458 | int persistent; | |
459 | u8 go_dev_addr[ETH_ALEN]; | |
4b6baa2f | 460 | int network_id = -1; |
b22128ef JM |
461 | |
462 | /* | |
463 | * This callback is likely called for the main interface. Update wpa_s | |
464 | * to use the group interface if a new interface was created for the | |
465 | * group. | |
466 | */ | |
467 | if (wpa_s->global->p2p_group_formation) | |
468 | wpa_s = wpa_s->global->p2p_group_formation; | |
d1b024c9 | 469 | wpa_s->global->p2p_group_formation = NULL; |
b22128ef JM |
470 | wpa_s->p2p_in_provisioning = 0; |
471 | ||
472 | if (!success) { | |
473 | wpa_msg(wpa_s->parent, MSG_INFO, | |
474 | P2P_EVENT_GROUP_FORMATION_FAILURE); | |
475 | wpas_p2p_group_delete(wpa_s); | |
476 | return; | |
477 | } | |
478 | ||
479 | wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_FORMATION_SUCCESS); | |
480 | ||
481 | ssid = wpa_s->current_ssid; | |
482 | if (ssid && ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) { | |
483 | ssid->mode = WPAS_MODE_P2P_GO; | |
484 | p2p_group_notif_formation_done(wpa_s->p2p_group); | |
485 | wpa_supplicant_ap_mac_addr_filter(wpa_s, NULL); | |
486 | } | |
487 | ||
488 | persistent = 0; | |
489 | if (ssid) { | |
490 | ssid_txt = wpa_ssid_txt(ssid->ssid, ssid->ssid_len); | |
491 | client = ssid->mode == WPAS_MODE_INFRA; | |
492 | if (ssid->mode == WPAS_MODE_P2P_GO) { | |
493 | persistent = ssid->p2p_persistent_group; | |
494 | os_memcpy(go_dev_addr, wpa_s->parent->own_addr, | |
495 | ETH_ALEN); | |
496 | } else | |
497 | persistent = wpas_p2p_persistent_group(wpa_s, | |
498 | go_dev_addr, | |
499 | ssid->ssid, | |
500 | ssid->ssid_len); | |
501 | } else { | |
502 | ssid_txt = ""; | |
503 | client = wpa_s->p2p_group_interface == | |
504 | P2P_GROUP_INTERFACE_CLIENT; | |
62c0d27e | 505 | os_memset(go_dev_addr, 0, ETH_ALEN); |
b22128ef JM |
506 | } |
507 | ||
508 | wpa_s->show_group_started = 0; | |
509 | if (client) { | |
510 | /* | |
511 | * Indicate event only after successfully completed 4-way | |
512 | * handshake, i.e., when the interface is ready for data | |
513 | * packets. | |
514 | */ | |
515 | wpa_s->show_group_started = 1; | |
516 | } else if (ssid && ssid->passphrase == NULL && ssid->psk_set) { | |
517 | char psk[65]; | |
518 | wpa_snprintf_hex(psk, sizeof(psk), ssid->psk, 32); | |
519 | wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED | |
c481048f AC |
520 | "%s GO ssid=\"%s\" freq=%d psk=%s go_dev_addr=" MACSTR |
521 | "%s", | |
522 | wpa_s->ifname, ssid_txt, ssid->frequency, psk, | |
523 | MAC2STR(go_dev_addr), | |
b22128ef | 524 | persistent ? " [PERSISTENT]" : ""); |
72044390 | 525 | wpas_p2p_cross_connect_setup(wpa_s); |
3071e181 | 526 | wpas_p2p_set_group_idle_timeout(wpa_s); |
b22128ef JM |
527 | } else { |
528 | wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED | |
c481048f AC |
529 | "%s GO ssid=\"%s\" freq=%d passphrase=\"%s\" " |
530 | "go_dev_addr=" MACSTR "%s", | |
d394a22f | 531 | wpa_s->ifname, ssid_txt, ssid ? ssid->frequency : 0, |
b22128ef JM |
532 | ssid && ssid->passphrase ? ssid->passphrase : "", |
533 | MAC2STR(go_dev_addr), | |
534 | persistent ? " [PERSISTENT]" : ""); | |
72044390 | 535 | wpas_p2p_cross_connect_setup(wpa_s); |
3071e181 | 536 | wpas_p2p_set_group_idle_timeout(wpa_s); |
b22128ef JM |
537 | } |
538 | ||
539 | if (persistent) | |
4b6baa2f JMB |
540 | network_id = wpas_p2p_store_persistent_group(wpa_s->parent, |
541 | ssid, go_dev_addr); | |
21fe9e75 | 542 | if (network_id < 0 && ssid) |
4b6baa2f JMB |
543 | network_id = ssid->id; |
544 | if (!client) | |
545 | wpas_notify_p2p_group_started(wpa_s, ssid, network_id, 0); | |
b22128ef JM |
546 | } |
547 | ||
548 | ||
24f6497c JM |
549 | static void wpas_p2p_send_action_tx_status(struct wpa_supplicant *wpa_s, |
550 | unsigned int freq, | |
551 | const u8 *dst, const u8 *src, | |
552 | const u8 *bssid, | |
553 | const u8 *data, size_t data_len, | |
554 | enum offchannel_send_action_result | |
555 | result) | |
534525ff | 556 | { |
24f6497c | 557 | enum p2p_send_action_result res = P2P_SEND_ACTION_SUCCESS; |
b22128ef | 558 | |
9526fd29 | 559 | if (wpa_s->global->p2p == NULL || wpa_s->global->p2p_disabled) |
b22128ef | 560 | return; |
3ac17eba JM |
561 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
562 | return; | |
b22128ef | 563 | |
24f6497c JM |
564 | switch (result) { |
565 | case OFFCHANNEL_SEND_ACTION_SUCCESS: | |
566 | res = P2P_SEND_ACTION_SUCCESS; | |
567 | break; | |
568 | case OFFCHANNEL_SEND_ACTION_NO_ACK: | |
569 | res = P2P_SEND_ACTION_NO_ACK; | |
570 | break; | |
571 | case OFFCHANNEL_SEND_ACTION_FAILED: | |
572 | res = P2P_SEND_ACTION_FAILED; | |
573 | break; | |
b22128ef JM |
574 | } |
575 | ||
24f6497c | 576 | p2p_send_action_cb(wpa_s->global->p2p, freq, dst, src, bssid, res); |
b22128ef JM |
577 | |
578 | if (wpa_s->pending_pd_before_join && | |
24f6497c JM |
579 | (os_memcmp(dst, wpa_s->pending_join_dev_addr, ETH_ALEN) == 0 || |
580 | os_memcmp(dst, wpa_s->pending_join_iface_addr, ETH_ALEN) == 0)) { | |
b22128ef JM |
581 | wpa_s->pending_pd_before_join = 0; |
582 | wpa_printf(MSG_DEBUG, "P2P: Starting pending " | |
583 | "join-existing-group operation"); | |
584 | wpas_p2p_join_start(wpa_s); | |
585 | } | |
586 | } | |
587 | ||
588 | ||
589 | static int wpas_send_action(void *ctx, unsigned int freq, const u8 *dst, | |
590 | const u8 *src, const u8 *bssid, const u8 *buf, | |
591 | size_t len, unsigned int wait_time) | |
592 | { | |
593 | struct wpa_supplicant *wpa_s = ctx; | |
24f6497c JM |
594 | return offchannel_send_action(wpa_s, freq, dst, src, bssid, buf, len, |
595 | wait_time, | |
b106173a | 596 | wpas_p2p_send_action_tx_status, 1); |
b22128ef JM |
597 | } |
598 | ||
599 | ||
600 | static void wpas_send_action_done(void *ctx) | |
601 | { | |
602 | struct wpa_supplicant *wpa_s = ctx; | |
24f6497c | 603 | offchannel_send_action_done(wpa_s); |
b22128ef JM |
604 | } |
605 | ||
606 | ||
607 | static int wpas_copy_go_neg_results(struct wpa_supplicant *wpa_s, | |
608 | struct p2p_go_neg_results *params) | |
609 | { | |
610 | if (wpa_s->go_params == NULL) { | |
611 | wpa_s->go_params = os_malloc(sizeof(*params)); | |
612 | if (wpa_s->go_params == NULL) | |
613 | return -1; | |
614 | } | |
615 | os_memcpy(wpa_s->go_params, params, sizeof(*params)); | |
616 | return 0; | |
617 | } | |
618 | ||
619 | ||
620 | static void wpas_start_wps_enrollee(struct wpa_supplicant *wpa_s, | |
621 | struct p2p_go_neg_results *res) | |
622 | { | |
3b29972c JM |
623 | wpa_printf(MSG_DEBUG, "P2P: Start WPS Enrollee for peer " MACSTR, |
624 | MAC2STR(res->peer_interface_addr)); | |
e9a7ae41 JM |
625 | wpa_hexdump_ascii(MSG_DEBUG, "P2P: Start WPS Enrollee for SSID", |
626 | res->ssid, res->ssid_len); | |
b22128ef JM |
627 | wpa_supplicant_ap_deinit(wpa_s); |
628 | wpas_copy_go_neg_results(wpa_s, res); | |
629 | if (res->wps_method == WPS_PBC) | |
3b29972c | 630 | wpas_wps_start_pbc(wpa_s, res->peer_interface_addr, 1); |
3c5126a4 JM |
631 | else { |
632 | u16 dev_pw_id = DEV_PW_DEFAULT; | |
633 | if (wpa_s->p2p_wps_method == WPS_PIN_KEYPAD) | |
634 | dev_pw_id = DEV_PW_REGISTRAR_SPECIFIED; | |
b22128ef | 635 | wpas_wps_start_pin(wpa_s, res->peer_interface_addr, |
3c5126a4 JM |
636 | wpa_s->p2p_pin, 1, dev_pw_id); |
637 | } | |
b22128ef JM |
638 | } |
639 | ||
640 | ||
641 | static void p2p_go_configured(void *ctx, void *data) | |
642 | { | |
643 | struct wpa_supplicant *wpa_s = ctx; | |
644 | struct p2p_go_neg_results *params = data; | |
645 | struct wpa_ssid *ssid; | |
4b6baa2f | 646 | int network_id = -1; |
b22128ef JM |
647 | |
648 | ssid = wpa_s->current_ssid; | |
649 | if (ssid && ssid->mode == WPAS_MODE_P2P_GO) { | |
650 | wpa_printf(MSG_DEBUG, "P2P: Group setup without provisioning"); | |
d1b024c9 JM |
651 | if (wpa_s->global->p2p_group_formation == wpa_s) |
652 | wpa_s->global->p2p_group_formation = NULL; | |
b22128ef | 653 | wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED |
c481048f AC |
654 | "%s GO ssid=\"%s\" freq=%d passphrase=\"%s\" " |
655 | "go_dev_addr=" MACSTR "%s", | |
b22128ef JM |
656 | wpa_s->ifname, |
657 | wpa_ssid_txt(ssid->ssid, ssid->ssid_len), | |
c481048f | 658 | ssid->frequency, |
b22128ef JM |
659 | params->passphrase ? params->passphrase : "", |
660 | MAC2STR(wpa_s->parent->own_addr), | |
661 | params->persistent_group ? " [PERSISTENT]" : ""); | |
4b6baa2f | 662 | |
b22128ef | 663 | if (params->persistent_group) |
4b6baa2f | 664 | network_id = wpas_p2p_store_persistent_group( |
b22128ef JM |
665 | wpa_s->parent, ssid, |
666 | wpa_s->parent->own_addr); | |
4b6baa2f JMB |
667 | if (network_id < 0) |
668 | network_id = ssid->id; | |
669 | wpas_notify_p2p_group_started(wpa_s, ssid, network_id, 0); | |
72044390 | 670 | wpas_p2p_cross_connect_setup(wpa_s); |
3071e181 | 671 | wpas_p2p_set_group_idle_timeout(wpa_s); |
b22128ef JM |
672 | return; |
673 | } | |
674 | ||
675 | wpa_printf(MSG_DEBUG, "P2P: Setting up WPS for GO provisioning"); | |
676 | if (wpa_supplicant_ap_mac_addr_filter(wpa_s, | |
677 | params->peer_interface_addr)) { | |
678 | wpa_printf(MSG_DEBUG, "P2P: Failed to setup MAC address " | |
679 | "filtering"); | |
680 | return; | |
681 | } | |
682 | if (params->wps_method == WPS_PBC) | |
d601247c JM |
683 | wpa_supplicant_ap_wps_pbc(wpa_s, params->peer_interface_addr, |
684 | NULL); | |
b22128ef JM |
685 | else if (wpa_s->p2p_pin[0]) |
686 | wpa_supplicant_ap_wps_pin(wpa_s, params->peer_interface_addr, | |
687 | wpa_s->p2p_pin, NULL, 0); | |
688 | os_free(wpa_s->go_params); | |
689 | wpa_s->go_params = NULL; | |
690 | } | |
691 | ||
692 | ||
693 | static void wpas_start_wps_go(struct wpa_supplicant *wpa_s, | |
694 | struct p2p_go_neg_results *params, | |
695 | int group_formation) | |
696 | { | |
697 | struct wpa_ssid *ssid; | |
698 | ||
699 | if (wpas_copy_go_neg_results(wpa_s, params) < 0) | |
700 | return; | |
701 | ||
702 | ssid = wpa_config_add_network(wpa_s->conf); | |
703 | if (ssid == NULL) | |
704 | return; | |
705 | ||
706 | wpa_config_set_network_defaults(ssid); | |
707 | ssid->temporary = 1; | |
708 | ssid->p2p_group = 1; | |
709 | ssid->p2p_persistent_group = params->persistent_group; | |
710 | ssid->mode = group_formation ? WPAS_MODE_P2P_GROUP_FORMATION : | |
711 | WPAS_MODE_P2P_GO; | |
712 | ssid->frequency = params->freq; | |
713 | ssid->ssid = os_zalloc(params->ssid_len + 1); | |
714 | if (ssid->ssid) { | |
715 | os_memcpy(ssid->ssid, params->ssid, params->ssid_len); | |
716 | ssid->ssid_len = params->ssid_len; | |
717 | } | |
718 | ssid->auth_alg = WPA_AUTH_ALG_OPEN; | |
719 | ssid->key_mgmt = WPA_KEY_MGMT_PSK; | |
720 | ssid->proto = WPA_PROTO_RSN; | |
721 | ssid->pairwise_cipher = WPA_CIPHER_CCMP; | |
722 | ssid->passphrase = os_strdup(params->passphrase); | |
723 | ||
724 | wpa_s->ap_configured_cb = p2p_go_configured; | |
725 | wpa_s->ap_configured_cb_ctx = wpa_s; | |
726 | wpa_s->ap_configured_cb_data = wpa_s->go_params; | |
7dcdcfd6 | 727 | wpa_s->connect_without_scan = ssid; |
b22128ef JM |
728 | wpa_s->reassociate = 1; |
729 | wpa_s->disconnected = 0; | |
730 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
731 | } | |
732 | ||
733 | ||
734 | static void wpas_p2p_clone_config(struct wpa_supplicant *dst, | |
735 | const struct wpa_supplicant *src) | |
736 | { | |
737 | struct wpa_config *d; | |
738 | const struct wpa_config *s; | |
739 | ||
740 | d = dst->conf; | |
741 | s = src->conf; | |
742 | ||
743 | #define C(n) if (s->n) d->n = os_strdup(s->n) | |
744 | C(device_name); | |
745 | C(manufacturer); | |
746 | C(model_name); | |
747 | C(model_number); | |
748 | C(serial_number); | |
b22128ef JM |
749 | C(config_methods); |
750 | #undef C | |
3071e181 | 751 | |
2f646b6e JB |
752 | os_memcpy(d->device_type, s->device_type, WPS_DEV_TYPE_LEN); |
753 | os_memcpy(d->sec_device_type, s->sec_device_type, | |
754 | sizeof(d->sec_device_type)); | |
755 | d->num_sec_device_types = s->num_sec_device_types; | |
756 | ||
3071e181 | 757 | d->p2p_group_idle = s->p2p_group_idle; |
b029bd33 | 758 | d->p2p_intra_bss = s->p2p_intra_bss; |
acc247b2 | 759 | d->persistent_reconnect = s->persistent_reconnect; |
b22128ef JM |
760 | } |
761 | ||
762 | ||
763 | static int wpas_p2p_add_group_interface(struct wpa_supplicant *wpa_s, | |
764 | enum wpa_driver_if_type type) | |
765 | { | |
766 | char ifname[120], force_ifname[120]; | |
767 | ||
768 | if (wpa_s->pending_interface_name[0]) { | |
769 | wpa_printf(MSG_DEBUG, "P2P: Pending virtual interface exists " | |
770 | "- skip creation of a new one"); | |
771 | if (is_zero_ether_addr(wpa_s->pending_interface_addr)) { | |
772 | wpa_printf(MSG_DEBUG, "P2P: Pending virtual address " | |
773 | "unknown?! ifname='%s'", | |
774 | wpa_s->pending_interface_name); | |
775 | return -1; | |
776 | } | |
777 | return 0; | |
778 | } | |
779 | ||
a1eca5cf | 780 | os_snprintf(ifname, sizeof(ifname), "p2p-%s-%d", wpa_s->ifname, |
b22128ef | 781 | wpa_s->p2p_group_idx); |
a1eca5cf JM |
782 | if (os_strlen(ifname) >= IFNAMSIZ && |
783 | os_strlen(wpa_s->ifname) < IFNAMSIZ) { | |
784 | /* Try to avoid going over the IFNAMSIZ length limit */ | |
785 | os_snprintf(ifname, sizeof(ifname), "p2p-%d", | |
786 | wpa_s->p2p_group_idx); | |
787 | } | |
b22128ef JM |
788 | force_ifname[0] = '\0'; |
789 | ||
790 | wpa_printf(MSG_DEBUG, "P2P: Create a new interface %s for the group", | |
791 | ifname); | |
792 | wpa_s->p2p_group_idx++; | |
793 | ||
794 | wpa_s->pending_interface_type = type; | |
795 | if (wpa_drv_if_add(wpa_s, type, ifname, NULL, NULL, force_ifname, | |
e17a2477 | 796 | wpa_s->pending_interface_addr, NULL) < 0) { |
b22128ef JM |
797 | wpa_printf(MSG_ERROR, "P2P: Failed to create new group " |
798 | "interface"); | |
799 | return -1; | |
800 | } | |
801 | ||
802 | if (force_ifname[0]) { | |
803 | wpa_printf(MSG_DEBUG, "P2P: Driver forced interface name %s", | |
804 | force_ifname); | |
805 | os_strlcpy(wpa_s->pending_interface_name, force_ifname, | |
806 | sizeof(wpa_s->pending_interface_name)); | |
807 | } else | |
808 | os_strlcpy(wpa_s->pending_interface_name, ifname, | |
809 | sizeof(wpa_s->pending_interface_name)); | |
810 | wpa_printf(MSG_DEBUG, "P2P: Created pending virtual interface %s addr " | |
811 | MACSTR, wpa_s->pending_interface_name, | |
812 | MAC2STR(wpa_s->pending_interface_addr)); | |
813 | ||
814 | return 0; | |
815 | } | |
816 | ||
817 | ||
818 | static void wpas_p2p_remove_pending_group_interface( | |
819 | struct wpa_supplicant *wpa_s) | |
820 | { | |
821 | if (!wpa_s->pending_interface_name[0] || | |
822 | is_zero_ether_addr(wpa_s->pending_interface_addr)) | |
823 | return; /* No pending virtual interface */ | |
824 | ||
825 | wpa_printf(MSG_DEBUG, "P2P: Removing pending group interface %s", | |
826 | wpa_s->pending_interface_name); | |
827 | wpa_drv_if_remove(wpa_s, wpa_s->pending_interface_type, | |
828 | wpa_s->pending_interface_name); | |
829 | os_memset(wpa_s->pending_interface_addr, 0, ETH_ALEN); | |
830 | wpa_s->pending_interface_name[0] = '\0'; | |
831 | } | |
832 | ||
833 | ||
834 | static struct wpa_supplicant * | |
835 | wpas_p2p_init_group_interface(struct wpa_supplicant *wpa_s, int go) | |
836 | { | |
837 | struct wpa_interface iface; | |
838 | struct wpa_supplicant *group_wpa_s; | |
839 | ||
840 | if (!wpa_s->pending_interface_name[0]) { | |
841 | wpa_printf(MSG_ERROR, "P2P: No pending group interface"); | |
d75e8806 JM |
842 | if (!wpas_p2p_create_iface(wpa_s)) |
843 | return NULL; | |
844 | /* | |
845 | * Something has forced us to remove the pending interface; try | |
846 | * to create a new one and hope for the best that we will get | |
847 | * the same local address. | |
848 | */ | |
849 | if (wpas_p2p_add_group_interface(wpa_s, go ? WPA_IF_P2P_GO : | |
850 | WPA_IF_P2P_CLIENT) < 0) | |
851 | return NULL; | |
b22128ef JM |
852 | } |
853 | ||
854 | os_memset(&iface, 0, sizeof(iface)); | |
855 | iface.ifname = wpa_s->pending_interface_name; | |
856 | iface.driver = wpa_s->driver->name; | |
857 | iface.ctrl_interface = wpa_s->conf->ctrl_interface; | |
858 | iface.driver_param = wpa_s->conf->driver_param; | |
859 | group_wpa_s = wpa_supplicant_add_iface(wpa_s->global, &iface); | |
860 | if (group_wpa_s == NULL) { | |
861 | wpa_printf(MSG_ERROR, "P2P: Failed to create new " | |
862 | "wpa_supplicant interface"); | |
863 | return NULL; | |
864 | } | |
865 | wpa_s->pending_interface_name[0] = '\0'; | |
866 | group_wpa_s->parent = wpa_s; | |
867 | group_wpa_s->p2p_group_interface = go ? P2P_GROUP_INTERFACE_GO : | |
868 | P2P_GROUP_INTERFACE_CLIENT; | |
869 | wpa_s->global->p2p_group_formation = group_wpa_s; | |
870 | ||
871 | wpas_p2p_clone_config(group_wpa_s, wpa_s); | |
872 | ||
873 | return group_wpa_s; | |
874 | } | |
875 | ||
876 | ||
877 | static void wpas_p2p_group_formation_timeout(void *eloop_ctx, | |
878 | void *timeout_ctx) | |
879 | { | |
880 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
881 | wpa_printf(MSG_DEBUG, "P2P: Group Formation timed out"); | |
882 | if (wpa_s->global->p2p) | |
883 | p2p_group_formation_failed(wpa_s->global->p2p); | |
3ac17eba JM |
884 | else if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
885 | wpa_drv_p2p_group_formation_failed(wpa_s); | |
b22128ef JM |
886 | wpas_group_formation_completed(wpa_s, 0); |
887 | } | |
888 | ||
889 | ||
890 | void wpas_go_neg_completed(void *ctx, struct p2p_go_neg_results *res) | |
891 | { | |
892 | struct wpa_supplicant *wpa_s = ctx; | |
893 | ||
8eada5ca | 894 | if (wpa_s->off_channel_freq || wpa_s->roc_waiting_drv_freq) { |
b22128ef JM |
895 | wpa_drv_cancel_remain_on_channel(wpa_s); |
896 | wpa_s->off_channel_freq = 0; | |
07a30a66 | 897 | wpa_s->roc_waiting_drv_freq = 0; |
b22128ef JM |
898 | } |
899 | ||
900 | if (res->status) { | |
901 | wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_GO_NEG_FAILURE "status=%d", | |
902 | res->status); | |
c2641bf7 | 903 | wpas_notify_p2p_go_neg_completed(wpa_s, res->status); |
b22128ef JM |
904 | wpas_p2p_remove_pending_group_interface(wpa_s); |
905 | return; | |
906 | } | |
907 | ||
908 | wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_GO_NEG_SUCCESS); | |
c2641bf7 | 909 | wpas_notify_p2p_go_neg_completed(wpa_s, P2P_SC_SUCCESS); |
b22128ef JM |
910 | |
911 | if (wpa_s->create_p2p_iface) { | |
912 | struct wpa_supplicant *group_wpa_s = | |
913 | wpas_p2p_init_group_interface(wpa_s, res->role_go); | |
914 | if (group_wpa_s == NULL) { | |
915 | wpas_p2p_remove_pending_group_interface(wpa_s); | |
916 | return; | |
917 | } | |
3c5126a4 | 918 | if (group_wpa_s != wpa_s) { |
b22128ef JM |
919 | os_memcpy(group_wpa_s->p2p_pin, wpa_s->p2p_pin, |
920 | sizeof(group_wpa_s->p2p_pin)); | |
3c5126a4 JM |
921 | group_wpa_s->p2p_wps_method = wpa_s->p2p_wps_method; |
922 | } | |
b22128ef JM |
923 | os_memset(wpa_s->pending_interface_addr, 0, ETH_ALEN); |
924 | wpa_s->pending_interface_name[0] = '\0'; | |
925 | group_wpa_s->p2p_in_provisioning = 1; | |
926 | ||
927 | if (res->role_go) | |
928 | wpas_start_wps_go(group_wpa_s, res, 1); | |
929 | else | |
930 | wpas_start_wps_enrollee(group_wpa_s, res); | |
931 | } else { | |
932 | wpa_s->p2p_in_provisioning = 1; | |
933 | wpa_s->global->p2p_group_formation = wpa_s; | |
934 | ||
935 | if (res->role_go) | |
936 | wpas_start_wps_go(wpa_s, res, 1); | |
937 | else | |
938 | wpas_start_wps_enrollee(ctx, res); | |
939 | } | |
940 | ||
941 | wpa_s->p2p_long_listen = 0; | |
942 | eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL); | |
943 | ||
944 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL); | |
ae3e3421 JM |
945 | eloop_register_timeout(15 + res->peer_config_timeout / 100, |
946 | (res->peer_config_timeout % 100) * 10000, | |
947 | wpas_p2p_group_formation_timeout, wpa_s, NULL); | |
b22128ef JM |
948 | } |
949 | ||
950 | ||
3dfda83d | 951 | void wpas_go_neg_req_rx(void *ctx, const u8 *src, u16 dev_passwd_id) |
b22128ef JM |
952 | { |
953 | struct wpa_supplicant *wpa_s = ctx; | |
3dfda83d JM |
954 | wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_GO_NEG_REQUEST MACSTR |
955 | " dev_passwd_id=%u", MAC2STR(src), dev_passwd_id); | |
32d1bce0 KRK |
956 | |
957 | wpas_notify_p2p_go_neg_req(wpa_s, src, dev_passwd_id); | |
b22128ef JM |
958 | } |
959 | ||
960 | ||
c5db8e51 | 961 | void wpas_dev_found(void *ctx, const u8 *addr, |
8fd7dc1b JB |
962 | const struct p2p_peer_info *info, |
963 | int new_device) | |
b22128ef JM |
964 | { |
965 | struct wpa_supplicant *wpa_s = ctx; | |
966 | char devtype[WPS_DEV_TYPE_BUFSIZE]; | |
c5db8e51 | 967 | |
b22128ef JM |
968 | wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_DEVICE_FOUND MACSTR |
969 | " p2p_dev_addr=" MACSTR | |
970 | " pri_dev_type=%s name='%s' config_methods=0x%x " | |
971 | "dev_capab=0x%x group_capab=0x%x", | |
c5db8e51 KRK |
972 | MAC2STR(addr), MAC2STR(info->p2p_device_addr), |
973 | wps_dev_type_bin2str(info->pri_dev_type, devtype, | |
974 | sizeof(devtype)), | |
975 | info->device_name, info->config_methods, | |
976 | info->dev_capab, info->group_capab); | |
d642d2d2 JB |
977 | |
978 | wpas_notify_p2p_device_found(ctx, info->p2p_device_addr, new_device); | |
b22128ef JM |
979 | } |
980 | ||
981 | ||
56eeb8f2 JB |
982 | static void wpas_dev_lost(void *ctx, const u8 *dev_addr) |
983 | { | |
984 | struct wpa_supplicant *wpa_s = ctx; | |
985 | ||
3074d8f1 JJ |
986 | wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_DEVICE_LOST |
987 | "p2p_dev_addr=" MACSTR, MAC2STR(dev_addr)); | |
988 | ||
56eeb8f2 JB |
989 | wpas_notify_p2p_device_lost(wpa_s, dev_addr); |
990 | } | |
991 | ||
992 | ||
b22128ef JM |
993 | static int wpas_start_listen(void *ctx, unsigned int freq, |
994 | unsigned int duration, | |
995 | const struct wpabuf *probe_resp_ie) | |
996 | { | |
997 | struct wpa_supplicant *wpa_s = ctx; | |
998 | ||
0e2e565a | 999 | wpa_drv_set_ap_wps_ie(wpa_s, NULL, probe_resp_ie, NULL); |
b22128ef JM |
1000 | |
1001 | if (wpa_drv_probe_req_report(wpa_s, 1) < 0) { | |
1002 | wpa_printf(MSG_DEBUG, "P2P: Failed to request the driver to " | |
1003 | "report received Probe Request frames"); | |
1004 | return -1; | |
1005 | } | |
1006 | ||
1007 | wpa_s->pending_listen_freq = freq; | |
1008 | wpa_s->pending_listen_duration = duration; | |
1009 | ||
1010 | if (wpa_drv_remain_on_channel(wpa_s, freq, duration) < 0) { | |
1011 | wpa_printf(MSG_DEBUG, "P2P: Failed to request the driver " | |
1012 | "to remain on channel (%u MHz) for Listen " | |
1013 | "state", freq); | |
1014 | wpa_s->pending_listen_freq = 0; | |
1015 | return -1; | |
1016 | } | |
09d660b9 | 1017 | wpa_s->off_channel_freq = 0; |
07a30a66 | 1018 | wpa_s->roc_waiting_drv_freq = freq; |
b22128ef JM |
1019 | |
1020 | return 0; | |
1021 | } | |
1022 | ||
1023 | ||
1024 | static void wpas_stop_listen(void *ctx) | |
1025 | { | |
1026 | struct wpa_supplicant *wpa_s = ctx; | |
6cb22d2f | 1027 | if (wpa_s->off_channel_freq || wpa_s->roc_waiting_drv_freq) { |
b22128ef JM |
1028 | wpa_drv_cancel_remain_on_channel(wpa_s); |
1029 | wpa_s->off_channel_freq = 0; | |
07a30a66 | 1030 | wpa_s->roc_waiting_drv_freq = 0; |
b22128ef | 1031 | } |
839b33ad | 1032 | wpa_drv_set_ap_wps_ie(wpa_s, NULL, NULL, NULL); |
b22128ef JM |
1033 | wpa_drv_probe_req_report(wpa_s, 0); |
1034 | } | |
1035 | ||
1036 | ||
1037 | static int wpas_send_probe_resp(void *ctx, const struct wpabuf *buf) | |
1038 | { | |
1039 | struct wpa_supplicant *wpa_s = ctx; | |
1040 | return wpa_drv_send_mlme(wpa_s, wpabuf_head(buf), wpabuf_len(buf)); | |
1041 | } | |
1042 | ||
1043 | ||
1044 | static struct p2p_srv_bonjour * | |
1045 | wpas_p2p_service_get_bonjour(struct wpa_supplicant *wpa_s, | |
1046 | const struct wpabuf *query) | |
1047 | { | |
1048 | struct p2p_srv_bonjour *bsrv; | |
1049 | size_t len; | |
1050 | ||
1051 | len = wpabuf_len(query); | |
1052 | dl_list_for_each(bsrv, &wpa_s->global->p2p_srv_bonjour, | |
1053 | struct p2p_srv_bonjour, list) { | |
1054 | if (len == wpabuf_len(bsrv->query) && | |
1055 | os_memcmp(wpabuf_head(query), wpabuf_head(bsrv->query), | |
1056 | len) == 0) | |
1057 | return bsrv; | |
1058 | } | |
1059 | return NULL; | |
1060 | } | |
1061 | ||
1062 | ||
1063 | static struct p2p_srv_upnp * | |
1064 | wpas_p2p_service_get_upnp(struct wpa_supplicant *wpa_s, u8 version, | |
1065 | const char *service) | |
1066 | { | |
1067 | struct p2p_srv_upnp *usrv; | |
1068 | ||
1069 | dl_list_for_each(usrv, &wpa_s->global->p2p_srv_upnp, | |
1070 | struct p2p_srv_upnp, list) { | |
1071 | if (version == usrv->version && | |
1072 | os_strcmp(service, usrv->service) == 0) | |
1073 | return usrv; | |
1074 | } | |
1075 | return NULL; | |
1076 | } | |
1077 | ||
1078 | ||
1079 | static void wpas_sd_add_proto_not_avail(struct wpabuf *resp, u8 srv_proto, | |
1080 | u8 srv_trans_id) | |
1081 | { | |
1082 | u8 *len_pos; | |
1083 | ||
1084 | if (wpabuf_tailroom(resp) < 5) | |
1085 | return; | |
1086 | ||
1087 | /* Length (to be filled) */ | |
1088 | len_pos = wpabuf_put(resp, 2); | |
1089 | wpabuf_put_u8(resp, srv_proto); | |
1090 | wpabuf_put_u8(resp, srv_trans_id); | |
1091 | /* Status Code */ | |
1092 | wpabuf_put_u8(resp, P2P_SD_PROTO_NOT_AVAILABLE); | |
1093 | /* Response Data: empty */ | |
1094 | WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2); | |
1095 | } | |
1096 | ||
1097 | ||
1098 | static void wpas_sd_all_bonjour(struct wpa_supplicant *wpa_s, | |
1099 | struct wpabuf *resp, u8 srv_trans_id) | |
1100 | { | |
1101 | struct p2p_srv_bonjour *bsrv; | |
1102 | u8 *len_pos; | |
1103 | ||
1104 | wpa_printf(MSG_DEBUG, "P2P: SD Request for all Bonjour services"); | |
1105 | ||
1106 | if (dl_list_empty(&wpa_s->global->p2p_srv_bonjour)) { | |
1107 | wpa_printf(MSG_DEBUG, "P2P: Bonjour protocol not available"); | |
1108 | return; | |
1109 | } | |
1110 | ||
1111 | dl_list_for_each(bsrv, &wpa_s->global->p2p_srv_bonjour, | |
1112 | struct p2p_srv_bonjour, list) { | |
1113 | if (wpabuf_tailroom(resp) < | |
1114 | 5 + wpabuf_len(bsrv->query) + wpabuf_len(bsrv->resp)) | |
1115 | return; | |
1116 | /* Length (to be filled) */ | |
1117 | len_pos = wpabuf_put(resp, 2); | |
1118 | wpabuf_put_u8(resp, P2P_SERV_BONJOUR); | |
1119 | wpabuf_put_u8(resp, srv_trans_id); | |
1120 | /* Status Code */ | |
1121 | wpabuf_put_u8(resp, P2P_SD_SUCCESS); | |
1122 | wpa_hexdump_ascii(MSG_DEBUG, "P2P: Matching Bonjour service", | |
1123 | wpabuf_head(bsrv->resp), | |
1124 | wpabuf_len(bsrv->resp)); | |
1125 | /* Response Data */ | |
1126 | wpabuf_put_buf(resp, bsrv->query); /* Key */ | |
1127 | wpabuf_put_buf(resp, bsrv->resp); /* Value */ | |
1128 | WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - | |
1129 | 2); | |
1130 | } | |
1131 | } | |
1132 | ||
1133 | ||
1134 | static void wpas_sd_req_bonjour(struct wpa_supplicant *wpa_s, | |
1135 | struct wpabuf *resp, u8 srv_trans_id, | |
1136 | const u8 *query, size_t query_len) | |
1137 | { | |
1138 | struct p2p_srv_bonjour *bsrv; | |
1139 | struct wpabuf buf; | |
1140 | u8 *len_pos; | |
1141 | ||
1142 | wpa_hexdump_ascii(MSG_DEBUG, "P2P: SD Request for Bonjour", | |
1143 | query, query_len); | |
1144 | if (dl_list_empty(&wpa_s->global->p2p_srv_bonjour)) { | |
1145 | wpa_printf(MSG_DEBUG, "P2P: Bonjour protocol not available"); | |
1146 | wpas_sd_add_proto_not_avail(resp, P2P_SERV_BONJOUR, | |
1147 | srv_trans_id); | |
1148 | return; | |
1149 | } | |
1150 | ||
1151 | if (query_len == 0) { | |
1152 | wpas_sd_all_bonjour(wpa_s, resp, srv_trans_id); | |
1153 | return; | |
1154 | } | |
1155 | ||
1156 | if (wpabuf_tailroom(resp) < 5) | |
1157 | return; | |
1158 | /* Length (to be filled) */ | |
1159 | len_pos = wpabuf_put(resp, 2); | |
1160 | wpabuf_put_u8(resp, P2P_SERV_BONJOUR); | |
1161 | wpabuf_put_u8(resp, srv_trans_id); | |
1162 | ||
1163 | wpabuf_set(&buf, query, query_len); | |
1164 | bsrv = wpas_p2p_service_get_bonjour(wpa_s, &buf); | |
1165 | if (bsrv == NULL) { | |
1166 | wpa_printf(MSG_DEBUG, "P2P: Requested Bonjour service not " | |
1167 | "available"); | |
1168 | ||
1169 | /* Status Code */ | |
bf608cad | 1170 | wpabuf_put_u8(resp, P2P_SD_REQUESTED_INFO_NOT_AVAILABLE); |
b22128ef JM |
1171 | /* Response Data: empty */ |
1172 | WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - | |
1173 | 2); | |
1174 | return; | |
1175 | } | |
1176 | ||
1177 | /* Status Code */ | |
1178 | wpabuf_put_u8(resp, P2P_SD_SUCCESS); | |
1179 | wpa_hexdump_ascii(MSG_DEBUG, "P2P: Matching Bonjour service", | |
1180 | wpabuf_head(bsrv->resp), wpabuf_len(bsrv->resp)); | |
1181 | ||
1182 | if (wpabuf_tailroom(resp) >= | |
1183 | wpabuf_len(bsrv->query) + wpabuf_len(bsrv->resp)) { | |
1184 | /* Response Data */ | |
1185 | wpabuf_put_buf(resp, bsrv->query); /* Key */ | |
1186 | wpabuf_put_buf(resp, bsrv->resp); /* Value */ | |
1187 | } | |
1188 | WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2); | |
1189 | } | |
1190 | ||
1191 | ||
1192 | static void wpas_sd_all_upnp(struct wpa_supplicant *wpa_s, | |
1193 | struct wpabuf *resp, u8 srv_trans_id) | |
1194 | { | |
1195 | struct p2p_srv_upnp *usrv; | |
1196 | u8 *len_pos; | |
1197 | ||
1198 | wpa_printf(MSG_DEBUG, "P2P: SD Request for all UPnP services"); | |
1199 | ||
1200 | if (dl_list_empty(&wpa_s->global->p2p_srv_upnp)) { | |
1201 | wpa_printf(MSG_DEBUG, "P2P: UPnP protocol not available"); | |
1202 | return; | |
1203 | } | |
1204 | ||
1205 | dl_list_for_each(usrv, &wpa_s->global->p2p_srv_upnp, | |
1206 | struct p2p_srv_upnp, list) { | |
1207 | if (wpabuf_tailroom(resp) < 5 + 1 + os_strlen(usrv->service)) | |
1208 | return; | |
1209 | ||
1210 | /* Length (to be filled) */ | |
1211 | len_pos = wpabuf_put(resp, 2); | |
1212 | wpabuf_put_u8(resp, P2P_SERV_UPNP); | |
1213 | wpabuf_put_u8(resp, srv_trans_id); | |
1214 | ||
1215 | /* Status Code */ | |
1216 | wpabuf_put_u8(resp, P2P_SD_SUCCESS); | |
1217 | /* Response Data */ | |
1218 | wpabuf_put_u8(resp, usrv->version); | |
1219 | wpa_printf(MSG_DEBUG, "P2P: Matching UPnP Service: %s", | |
1220 | usrv->service); | |
1221 | wpabuf_put_str(resp, usrv->service); | |
1222 | WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - | |
1223 | 2); | |
1224 | } | |
1225 | } | |
1226 | ||
1227 | ||
1228 | static void wpas_sd_req_upnp(struct wpa_supplicant *wpa_s, | |
1229 | struct wpabuf *resp, u8 srv_trans_id, | |
1230 | const u8 *query, size_t query_len) | |
1231 | { | |
1232 | struct p2p_srv_upnp *usrv; | |
1233 | u8 *len_pos; | |
1234 | u8 version; | |
1235 | char *str; | |
1236 | int count = 0; | |
1237 | ||
1238 | wpa_hexdump_ascii(MSG_DEBUG, "P2P: SD Request for UPnP", | |
1239 | query, query_len); | |
1240 | ||
1241 | if (dl_list_empty(&wpa_s->global->p2p_srv_upnp)) { | |
1242 | wpa_printf(MSG_DEBUG, "P2P: UPnP protocol not available"); | |
1243 | wpas_sd_add_proto_not_avail(resp, P2P_SERV_UPNP, | |
1244 | srv_trans_id); | |
1245 | return; | |
1246 | } | |
1247 | ||
1248 | if (query_len == 0) { | |
1249 | wpas_sd_all_upnp(wpa_s, resp, srv_trans_id); | |
1250 | return; | |
1251 | } | |
1252 | ||
b22128ef JM |
1253 | if (wpabuf_tailroom(resp) < 5) |
1254 | return; | |
1255 | ||
1256 | /* Length (to be filled) */ | |
1257 | len_pos = wpabuf_put(resp, 2); | |
1258 | wpabuf_put_u8(resp, P2P_SERV_UPNP); | |
1259 | wpabuf_put_u8(resp, srv_trans_id); | |
1260 | ||
79222cfa JM |
1261 | version = query[0]; |
1262 | str = os_malloc(query_len); | |
1263 | if (str == NULL) | |
1264 | return; | |
1265 | os_memcpy(str, query + 1, query_len - 1); | |
1266 | str[query_len - 1] = '\0'; | |
1267 | ||
b22128ef JM |
1268 | dl_list_for_each(usrv, &wpa_s->global->p2p_srv_upnp, |
1269 | struct p2p_srv_upnp, list) { | |
1270 | if (version != usrv->version) | |
1271 | continue; | |
1272 | ||
1273 | if (os_strcmp(str, "ssdp:all") != 0 && | |
1274 | os_strstr(usrv->service, str) == NULL) | |
1275 | continue; | |
1276 | ||
1277 | if (wpabuf_tailroom(resp) < 2) | |
1278 | break; | |
1279 | if (count == 0) { | |
1280 | /* Status Code */ | |
1281 | wpabuf_put_u8(resp, P2P_SD_SUCCESS); | |
1282 | /* Response Data */ | |
1283 | wpabuf_put_u8(resp, version); | |
1284 | } else | |
1285 | wpabuf_put_u8(resp, ','); | |
1286 | ||
1287 | count++; | |
1288 | ||
1289 | wpa_printf(MSG_DEBUG, "P2P: Matching UPnP Service: %s", | |
1290 | usrv->service); | |
1291 | if (wpabuf_tailroom(resp) < os_strlen(usrv->service)) | |
1292 | break; | |
1293 | wpabuf_put_str(resp, usrv->service); | |
1294 | } | |
714b8b53 | 1295 | os_free(str); |
b22128ef JM |
1296 | |
1297 | if (count == 0) { | |
1298 | wpa_printf(MSG_DEBUG, "P2P: Requested UPnP service not " | |
1299 | "available"); | |
1300 | /* Status Code */ | |
bf608cad | 1301 | wpabuf_put_u8(resp, P2P_SD_REQUESTED_INFO_NOT_AVAILABLE); |
b22128ef JM |
1302 | /* Response Data: empty */ |
1303 | } | |
1304 | ||
1305 | WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2); | |
1306 | } | |
1307 | ||
1308 | ||
1309 | void wpas_sd_request(void *ctx, int freq, const u8 *sa, u8 dialog_token, | |
1310 | u16 update_indic, const u8 *tlvs, size_t tlvs_len) | |
1311 | { | |
1312 | struct wpa_supplicant *wpa_s = ctx; | |
1313 | const u8 *pos = tlvs; | |
1314 | const u8 *end = tlvs + tlvs_len; | |
1315 | const u8 *tlv_end; | |
1316 | u16 slen; | |
1317 | struct wpabuf *resp; | |
1318 | u8 srv_proto, srv_trans_id; | |
1319 | size_t buf_len; | |
1320 | char *buf; | |
1321 | ||
1322 | wpa_hexdump(MSG_MSGDUMP, "P2P: Service Discovery Request TLVs", | |
1323 | tlvs, tlvs_len); | |
1324 | buf_len = 2 * tlvs_len + 1; | |
1325 | buf = os_malloc(buf_len); | |
1326 | if (buf) { | |
1327 | wpa_snprintf_hex(buf, buf_len, tlvs, tlvs_len); | |
1328 | wpa_msg_ctrl(wpa_s, MSG_INFO, P2P_EVENT_SERV_DISC_REQ "%d " | |
1329 | MACSTR " %u %u %s", | |
1330 | freq, MAC2STR(sa), dialog_token, update_indic, | |
1331 | buf); | |
1332 | os_free(buf); | |
1333 | } | |
1334 | ||
1335 | if (wpa_s->p2p_sd_over_ctrl_iface) | |
1336 | return; /* to be processed by an external program */ | |
1337 | ||
1338 | resp = wpabuf_alloc(10000); | |
1339 | if (resp == NULL) | |
1340 | return; | |
1341 | ||
1342 | while (pos + 1 < end) { | |
1343 | wpa_printf(MSG_DEBUG, "P2P: Service Request TLV"); | |
1344 | slen = WPA_GET_LE16(pos); | |
1345 | pos += 2; | |
1346 | if (pos + slen > end || slen < 2) { | |
1347 | wpa_printf(MSG_DEBUG, "P2P: Unexpected Query Data " | |
1348 | "length"); | |
1349 | wpabuf_free(resp); | |
1350 | return; | |
1351 | } | |
1352 | tlv_end = pos + slen; | |
1353 | ||
1354 | srv_proto = *pos++; | |
1355 | wpa_printf(MSG_DEBUG, "P2P: Service Protocol Type %u", | |
1356 | srv_proto); | |
1357 | srv_trans_id = *pos++; | |
1358 | wpa_printf(MSG_DEBUG, "P2P: Service Transaction ID %u", | |
1359 | srv_trans_id); | |
1360 | ||
1361 | wpa_hexdump(MSG_MSGDUMP, "P2P: Query Data", | |
1362 | pos, tlv_end - pos); | |
1363 | ||
6e6963ea JM |
1364 | |
1365 | if (wpa_s->force_long_sd) { | |
1366 | wpa_printf(MSG_DEBUG, "P2P: SD test - force long " | |
1367 | "response"); | |
1368 | wpas_sd_all_bonjour(wpa_s, resp, srv_trans_id); | |
1369 | wpas_sd_all_upnp(wpa_s, resp, srv_trans_id); | |
1370 | goto done; | |
1371 | } | |
1372 | ||
b22128ef JM |
1373 | switch (srv_proto) { |
1374 | case P2P_SERV_ALL_SERVICES: | |
1375 | wpa_printf(MSG_DEBUG, "P2P: Service Discovery Request " | |
1376 | "for all services"); | |
1377 | if (dl_list_empty(&wpa_s->global->p2p_srv_upnp) && | |
1378 | dl_list_empty(&wpa_s->global->p2p_srv_bonjour)) { | |
1379 | wpa_printf(MSG_DEBUG, "P2P: No service " | |
1380 | "discovery protocols available"); | |
1381 | wpas_sd_add_proto_not_avail( | |
1382 | resp, P2P_SERV_ALL_SERVICES, | |
1383 | srv_trans_id); | |
1384 | break; | |
1385 | } | |
1386 | wpas_sd_all_bonjour(wpa_s, resp, srv_trans_id); | |
1387 | wpas_sd_all_upnp(wpa_s, resp, srv_trans_id); | |
1388 | break; | |
1389 | case P2P_SERV_BONJOUR: | |
1390 | wpas_sd_req_bonjour(wpa_s, resp, srv_trans_id, | |
1391 | pos, tlv_end - pos); | |
1392 | break; | |
1393 | case P2P_SERV_UPNP: | |
1394 | wpas_sd_req_upnp(wpa_s, resp, srv_trans_id, | |
1395 | pos, tlv_end - pos); | |
1396 | break; | |
1397 | default: | |
1398 | wpa_printf(MSG_DEBUG, "P2P: Unavailable service " | |
1399 | "protocol %u", srv_proto); | |
1400 | wpas_sd_add_proto_not_avail(resp, srv_proto, | |
1401 | srv_trans_id); | |
1402 | break; | |
1403 | } | |
1404 | ||
1405 | pos = tlv_end; | |
1406 | } | |
1407 | ||
6e6963ea | 1408 | done: |
e1653cac KRK |
1409 | wpas_notify_p2p_sd_request(wpa_s, freq, sa, dialog_token, |
1410 | update_indic, tlvs, tlvs_len); | |
1411 | ||
b22128ef JM |
1412 | wpas_p2p_sd_response(wpa_s, freq, sa, dialog_token, resp); |
1413 | ||
1414 | wpabuf_free(resp); | |
1415 | } | |
1416 | ||
1417 | ||
1418 | void wpas_sd_response(void *ctx, const u8 *sa, u16 update_indic, | |
1419 | const u8 *tlvs, size_t tlvs_len) | |
1420 | { | |
1421 | struct wpa_supplicant *wpa_s = ctx; | |
1422 | const u8 *pos = tlvs; | |
1423 | const u8 *end = tlvs + tlvs_len; | |
1424 | const u8 *tlv_end; | |
1425 | u16 slen; | |
1426 | size_t buf_len; | |
1427 | char *buf; | |
1428 | ||
1429 | wpa_hexdump(MSG_MSGDUMP, "P2P: Service Discovery Response TLVs", | |
1430 | tlvs, tlvs_len); | |
18708aad JM |
1431 | if (tlvs_len > 1500) { |
1432 | /* TODO: better way for handling this */ | |
1433 | wpa_msg_ctrl(wpa_s, MSG_INFO, | |
1434 | P2P_EVENT_SERV_DISC_RESP MACSTR | |
1435 | " %u <long response: %u bytes>", | |
1436 | MAC2STR(sa), update_indic, | |
1437 | (unsigned int) tlvs_len); | |
1438 | } else { | |
1439 | buf_len = 2 * tlvs_len + 1; | |
1440 | buf = os_malloc(buf_len); | |
1441 | if (buf) { | |
1442 | wpa_snprintf_hex(buf, buf_len, tlvs, tlvs_len); | |
1443 | wpa_msg_ctrl(wpa_s, MSG_INFO, | |
1444 | P2P_EVENT_SERV_DISC_RESP MACSTR " %u %s", | |
1445 | MAC2STR(sa), update_indic, buf); | |
1446 | os_free(buf); | |
1447 | } | |
b22128ef JM |
1448 | } |
1449 | ||
1450 | while (pos < end) { | |
1451 | u8 srv_proto, srv_trans_id, status; | |
1452 | ||
1453 | wpa_printf(MSG_DEBUG, "P2P: Service Response TLV"); | |
1454 | slen = WPA_GET_LE16(pos); | |
1455 | pos += 2; | |
1456 | if (pos + slen > end || slen < 3) { | |
1457 | wpa_printf(MSG_DEBUG, "P2P: Unexpected Response Data " | |
1458 | "length"); | |
1459 | return; | |
1460 | } | |
1461 | tlv_end = pos + slen; | |
1462 | ||
1463 | srv_proto = *pos++; | |
1464 | wpa_printf(MSG_DEBUG, "P2P: Service Protocol Type %u", | |
1465 | srv_proto); | |
1466 | srv_trans_id = *pos++; | |
1467 | wpa_printf(MSG_DEBUG, "P2P: Service Transaction ID %u", | |
1468 | srv_trans_id); | |
1469 | status = *pos++; | |
1470 | wpa_printf(MSG_DEBUG, "P2P: Status Code ID %u", | |
1471 | status); | |
1472 | ||
1473 | wpa_hexdump(MSG_MSGDUMP, "P2P: Response Data", | |
1474 | pos, tlv_end - pos); | |
1475 | ||
1476 | pos = tlv_end; | |
1477 | } | |
43a26f60 KRK |
1478 | |
1479 | wpas_notify_p2p_sd_response(wpa_s, sa, update_indic, tlvs, tlvs_len); | |
b22128ef JM |
1480 | } |
1481 | ||
1482 | ||
1483 | void * wpas_p2p_sd_request(struct wpa_supplicant *wpa_s, const u8 *dst, | |
1484 | const struct wpabuf *tlvs) | |
1485 | { | |
3ac17eba JM |
1486 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
1487 | return (void *) wpa_drv_p2p_sd_request(wpa_s, dst, tlvs); | |
9526fd29 JM |
1488 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
1489 | return NULL; | |
b22128ef JM |
1490 | return p2p_sd_request(wpa_s->global->p2p, dst, tlvs); |
1491 | } | |
1492 | ||
1493 | ||
1494 | void * wpas_p2p_sd_request_upnp(struct wpa_supplicant *wpa_s, const u8 *dst, | |
1495 | u8 version, const char *query) | |
1496 | { | |
1497 | struct wpabuf *tlvs; | |
1498 | void *ret; | |
1499 | ||
1500 | tlvs = wpabuf_alloc(2 + 1 + 1 + 1 + os_strlen(query)); | |
1501 | if (tlvs == NULL) | |
1502 | return NULL; | |
1503 | wpabuf_put_le16(tlvs, 1 + 1 + 1 + os_strlen(query)); | |
1504 | wpabuf_put_u8(tlvs, P2P_SERV_UPNP); /* Service Protocol Type */ | |
1505 | wpabuf_put_u8(tlvs, 1); /* Service Transaction ID */ | |
1506 | wpabuf_put_u8(tlvs, version); | |
1507 | wpabuf_put_str(tlvs, query); | |
1508 | ret = wpas_p2p_sd_request(wpa_s, dst, tlvs); | |
1509 | wpabuf_free(tlvs); | |
1510 | return ret; | |
1511 | } | |
1512 | ||
1513 | ||
1514 | int wpas_p2p_sd_cancel_request(struct wpa_supplicant *wpa_s, void *req) | |
1515 | { | |
3ac17eba JM |
1516 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
1517 | return wpa_drv_p2p_sd_cancel_request(wpa_s, (u64) req); | |
9526fd29 JM |
1518 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
1519 | return -1; | |
b22128ef JM |
1520 | return p2p_sd_cancel_request(wpa_s->global->p2p, req); |
1521 | } | |
1522 | ||
1523 | ||
1524 | void wpas_p2p_sd_response(struct wpa_supplicant *wpa_s, int freq, | |
1525 | const u8 *dst, u8 dialog_token, | |
1526 | const struct wpabuf *resp_tlvs) | |
1527 | { | |
3ac17eba JM |
1528 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) { |
1529 | wpa_drv_p2p_sd_response(wpa_s, freq, dst, dialog_token, | |
1530 | resp_tlvs); | |
1531 | return; | |
1532 | } | |
9526fd29 JM |
1533 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
1534 | return; | |
b22128ef JM |
1535 | p2p_sd_response(wpa_s->global->p2p, freq, dst, dialog_token, |
1536 | resp_tlvs); | |
1537 | } | |
1538 | ||
1539 | ||
1540 | void wpas_p2p_sd_service_update(struct wpa_supplicant *wpa_s) | |
1541 | { | |
3ac17eba JM |
1542 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) { |
1543 | wpa_drv_p2p_service_update(wpa_s); | |
1544 | return; | |
1545 | } | |
9526fd29 JM |
1546 | if (wpa_s->global->p2p) |
1547 | p2p_sd_service_update(wpa_s->global->p2p); | |
b22128ef JM |
1548 | } |
1549 | ||
1550 | ||
1551 | static void wpas_p2p_srv_bonjour_free(struct p2p_srv_bonjour *bsrv) | |
1552 | { | |
1553 | dl_list_del(&bsrv->list); | |
1554 | wpabuf_free(bsrv->query); | |
1555 | wpabuf_free(bsrv->resp); | |
1556 | os_free(bsrv); | |
1557 | } | |
1558 | ||
1559 | ||
1560 | static void wpas_p2p_srv_upnp_free(struct p2p_srv_upnp *usrv) | |
1561 | { | |
1562 | dl_list_del(&usrv->list); | |
1563 | os_free(usrv->service); | |
1564 | os_free(usrv); | |
1565 | } | |
1566 | ||
1567 | ||
1568 | void wpas_p2p_service_flush(struct wpa_supplicant *wpa_s) | |
1569 | { | |
1570 | struct p2p_srv_bonjour *bsrv, *bn; | |
1571 | struct p2p_srv_upnp *usrv, *un; | |
1572 | ||
1573 | dl_list_for_each_safe(bsrv, bn, &wpa_s->global->p2p_srv_bonjour, | |
1574 | struct p2p_srv_bonjour, list) | |
1575 | wpas_p2p_srv_bonjour_free(bsrv); | |
1576 | ||
1577 | dl_list_for_each_safe(usrv, un, &wpa_s->global->p2p_srv_upnp, | |
1578 | struct p2p_srv_upnp, list) | |
1579 | wpas_p2p_srv_upnp_free(usrv); | |
1580 | ||
1581 | wpas_p2p_sd_service_update(wpa_s); | |
1582 | } | |
1583 | ||
1584 | ||
1585 | int wpas_p2p_service_add_bonjour(struct wpa_supplicant *wpa_s, | |
1586 | struct wpabuf *query, struct wpabuf *resp) | |
1587 | { | |
1588 | struct p2p_srv_bonjour *bsrv; | |
1589 | ||
1590 | bsrv = wpas_p2p_service_get_bonjour(wpa_s, query); | |
1591 | if (bsrv) { | |
1592 | wpabuf_free(query); | |
1593 | wpabuf_free(bsrv->resp); | |
1594 | bsrv->resp = resp; | |
1595 | return 0; | |
1596 | } | |
1597 | ||
1598 | bsrv = os_zalloc(sizeof(*bsrv)); | |
1599 | if (bsrv == NULL) | |
1600 | return -1; | |
1601 | bsrv->query = query; | |
1602 | bsrv->resp = resp; | |
1603 | dl_list_add(&wpa_s->global->p2p_srv_bonjour, &bsrv->list); | |
1604 | ||
1605 | wpas_p2p_sd_service_update(wpa_s); | |
1606 | return 0; | |
1607 | } | |
1608 | ||
1609 | ||
1610 | int wpas_p2p_service_del_bonjour(struct wpa_supplicant *wpa_s, | |
1611 | const struct wpabuf *query) | |
1612 | { | |
1613 | struct p2p_srv_bonjour *bsrv; | |
1614 | ||
1615 | bsrv = wpas_p2p_service_get_bonjour(wpa_s, query); | |
1616 | if (bsrv == NULL) | |
1617 | return -1; | |
1618 | wpas_p2p_srv_bonjour_free(bsrv); | |
1619 | wpas_p2p_sd_service_update(wpa_s); | |
1620 | return 0; | |
1621 | } | |
1622 | ||
1623 | ||
1624 | int wpas_p2p_service_add_upnp(struct wpa_supplicant *wpa_s, u8 version, | |
1625 | const char *service) | |
1626 | { | |
1627 | struct p2p_srv_upnp *usrv; | |
1628 | ||
1629 | if (wpas_p2p_service_get_upnp(wpa_s, version, service)) | |
1630 | return 0; /* Already listed */ | |
1631 | usrv = os_zalloc(sizeof(*usrv)); | |
1632 | if (usrv == NULL) | |
1633 | return -1; | |
1634 | usrv->version = version; | |
1635 | usrv->service = os_strdup(service); | |
1636 | if (usrv->service == NULL) { | |
1637 | os_free(usrv); | |
1638 | return -1; | |
1639 | } | |
1640 | dl_list_add(&wpa_s->global->p2p_srv_upnp, &usrv->list); | |
1641 | ||
1642 | wpas_p2p_sd_service_update(wpa_s); | |
1643 | return 0; | |
1644 | } | |
1645 | ||
1646 | ||
1647 | int wpas_p2p_service_del_upnp(struct wpa_supplicant *wpa_s, u8 version, | |
1648 | const char *service) | |
1649 | { | |
1650 | struct p2p_srv_upnp *usrv; | |
1651 | ||
1652 | usrv = wpas_p2p_service_get_upnp(wpa_s, version, service); | |
1653 | if (usrv == NULL) | |
1654 | return -1; | |
1655 | wpas_p2p_srv_upnp_free(usrv); | |
1656 | wpas_p2p_sd_service_update(wpa_s); | |
1657 | return 0; | |
1658 | } | |
1659 | ||
1660 | ||
1661 | static void wpas_prov_disc_local_display(struct wpa_supplicant *wpa_s, | |
bbeee9b0 JB |
1662 | const u8 *peer, const char *params, |
1663 | unsigned int generated_pin) | |
b22128ef JM |
1664 | { |
1665 | wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_SHOW_PIN MACSTR " %08d%s", | |
bbeee9b0 | 1666 | MAC2STR(peer), generated_pin, params); |
b22128ef JM |
1667 | } |
1668 | ||
1669 | ||
1670 | static void wpas_prov_disc_local_keypad(struct wpa_supplicant *wpa_s, | |
1671 | const u8 *peer, const char *params) | |
1672 | { | |
1673 | wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_ENTER_PIN MACSTR "%s", | |
1674 | MAC2STR(peer), params); | |
1675 | } | |
1676 | ||
1677 | ||
1678 | void wpas_prov_disc_req(void *ctx, const u8 *peer, u16 config_methods, | |
1679 | const u8 *dev_addr, const u8 *pri_dev_type, | |
1680 | const char *dev_name, u16 supp_config_methods, | |
1681 | u8 dev_capab, u8 group_capab) | |
1682 | { | |
1683 | struct wpa_supplicant *wpa_s = ctx; | |
1684 | char devtype[WPS_DEV_TYPE_BUFSIZE]; | |
1685 | char params[200]; | |
1686 | u8 empty_dev_type[8]; | |
bbeee9b0 | 1687 | unsigned int generated_pin = 0; |
b22128ef JM |
1688 | |
1689 | if (pri_dev_type == NULL) { | |
1690 | os_memset(empty_dev_type, 0, sizeof(empty_dev_type)); | |
1691 | pri_dev_type = empty_dev_type; | |
1692 | } | |
1693 | os_snprintf(params, sizeof(params), " p2p_dev_addr=" MACSTR | |
1694 | " pri_dev_type=%s name='%s' config_methods=0x%x " | |
1695 | "dev_capab=0x%x group_capab=0x%x", | |
1696 | MAC2STR(dev_addr), | |
1697 | wps_dev_type_bin2str(pri_dev_type, devtype, | |
1698 | sizeof(devtype)), | |
1699 | dev_name, supp_config_methods, dev_capab, group_capab); | |
1700 | params[sizeof(params) - 1] = '\0'; | |
1701 | ||
bbeee9b0 JB |
1702 | if (config_methods & WPS_CONFIG_DISPLAY) { |
1703 | generated_pin = wps_generate_pin(); | |
1704 | wpas_prov_disc_local_display(wpa_s, peer, params, | |
1705 | generated_pin); | |
1706 | } else if (config_methods & WPS_CONFIG_KEYPAD) | |
b22128ef JM |
1707 | wpas_prov_disc_local_keypad(wpa_s, peer, params); |
1708 | else if (config_methods & WPS_CONFIG_PUSHBUTTON) | |
1709 | wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_PBC_REQ MACSTR | |
1710 | "%s", MAC2STR(peer), params); | |
dd8a7e05 JB |
1711 | |
1712 | wpas_notify_p2p_provision_discovery(wpa_s, peer, 1 /* request */, | |
1713 | P2P_PROV_DISC_SUCCESS, | |
1714 | config_methods, generated_pin); | |
b22128ef JM |
1715 | } |
1716 | ||
1717 | ||
1718 | void wpas_prov_disc_resp(void *ctx, const u8 *peer, u16 config_methods) | |
1719 | { | |
1720 | struct wpa_supplicant *wpa_s = ctx; | |
bbeee9b0 JB |
1721 | unsigned int generated_pin = 0; |
1722 | ||
b22128ef JM |
1723 | if (config_methods & WPS_CONFIG_DISPLAY) |
1724 | wpas_prov_disc_local_keypad(wpa_s, peer, ""); | |
bbeee9b0 JB |
1725 | else if (config_methods & WPS_CONFIG_KEYPAD) { |
1726 | generated_pin = wps_generate_pin(); | |
1727 | wpas_prov_disc_local_display(wpa_s, peer, "", generated_pin); | |
1728 | } else if (config_methods & WPS_CONFIG_PUSHBUTTON) | |
b22128ef JM |
1729 | wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_PBC_RESP MACSTR, |
1730 | MAC2STR(peer)); | |
a482883f | 1731 | |
dd8a7e05 JB |
1732 | wpas_notify_p2p_provision_discovery(wpa_s, peer, 0 /* response */, |
1733 | P2P_PROV_DISC_SUCCESS, | |
1734 | config_methods, generated_pin); | |
1735 | ||
a482883f JM |
1736 | if (wpa_s->pending_pd_before_join && |
1737 | (os_memcmp(peer, wpa_s->pending_join_dev_addr, ETH_ALEN) == 0 || | |
1738 | os_memcmp(peer, wpa_s->pending_join_iface_addr, ETH_ALEN) == 0)) { | |
1739 | wpa_s->pending_pd_before_join = 0; | |
1740 | wpa_printf(MSG_DEBUG, "P2P: Starting pending " | |
1741 | "join-existing-group operation"); | |
1742 | wpas_p2p_join_start(wpa_s); | |
1743 | } | |
b22128ef JM |
1744 | } |
1745 | ||
1746 | ||
dd8a7e05 JB |
1747 | void wpas_prov_disc_fail(void *ctx, const u8 *peer, |
1748 | enum p2p_prov_disc_status status) | |
1749 | { | |
1750 | struct wpa_supplicant *wpa_s = ctx; | |
1751 | ||
1752 | wpas_notify_p2p_provision_discovery(wpa_s, peer, 0 /* response */, | |
1753 | status, 0, 0); | |
1754 | } | |
1755 | ||
1756 | ||
b22128ef JM |
1757 | static u8 wpas_invitation_process(void *ctx, const u8 *sa, const u8 *bssid, |
1758 | const u8 *go_dev_addr, const u8 *ssid, | |
1759 | size_t ssid_len, int *go, u8 *group_bssid, | |
1760 | int *force_freq, int persistent_group) | |
1761 | { | |
1762 | struct wpa_supplicant *wpa_s = ctx; | |
1763 | struct wpa_ssid *s; | |
1764 | u8 cur_bssid[ETH_ALEN]; | |
1765 | int res; | |
ab72eb52 | 1766 | struct wpa_supplicant *grp; |
b22128ef JM |
1767 | |
1768 | if (!persistent_group) { | |
1769 | wpa_printf(MSG_DEBUG, "P2P: Invitation from " MACSTR | |
1770 | " to join an active group", MAC2STR(sa)); | |
108def93 | 1771 | if (!is_zero_ether_addr(wpa_s->p2p_auth_invite) && |
131cb37c JM |
1772 | (os_memcmp(go_dev_addr, wpa_s->p2p_auth_invite, ETH_ALEN) |
1773 | == 0 || | |
1774 | os_memcmp(sa, wpa_s->p2p_auth_invite, ETH_ALEN) == 0)) { | |
108def93 JM |
1775 | wpa_printf(MSG_DEBUG, "P2P: Accept previously " |
1776 | "authorized invitation"); | |
1777 | goto accept_inv; | |
1778 | } | |
b22128ef JM |
1779 | /* |
1780 | * Do not accept the invitation automatically; notify user and | |
1781 | * request approval. | |
1782 | */ | |
1783 | return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE; | |
1784 | } | |
1785 | ||
ab72eb52 JM |
1786 | grp = wpas_get_p2p_group(wpa_s, ssid, ssid_len, go); |
1787 | if (grp) { | |
1788 | wpa_printf(MSG_DEBUG, "P2P: Accept invitation to already " | |
1789 | "running persistent group"); | |
1790 | if (*go) | |
1791 | os_memcpy(group_bssid, grp->own_addr, ETH_ALEN); | |
1792 | goto accept_inv; | |
1793 | } | |
1794 | ||
b22128ef JM |
1795 | if (!wpa_s->conf->persistent_reconnect) |
1796 | return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE; | |
1797 | ||
1798 | for (s = wpa_s->conf->ssid; s; s = s->next) { | |
1799 | if (s->disabled == 2 && | |
1800 | os_memcmp(s->bssid, go_dev_addr, ETH_ALEN) == 0 && | |
1801 | s->ssid_len == ssid_len && | |
1802 | os_memcmp(ssid, s->ssid, ssid_len) == 0) | |
1803 | break; | |
1804 | } | |
1805 | ||
1806 | if (!s) { | |
1807 | wpa_printf(MSG_DEBUG, "P2P: Invitation from " MACSTR | |
1808 | " requested reinvocation of an unknown group", | |
1809 | MAC2STR(sa)); | |
1810 | return P2P_SC_FAIL_UNKNOWN_GROUP; | |
1811 | } | |
1812 | ||
1813 | if (s->mode == WPAS_MODE_P2P_GO && !wpas_p2p_create_iface(wpa_s)) { | |
1814 | *go = 1; | |
1815 | if (wpa_s->wpa_state >= WPA_AUTHENTICATING) { | |
1816 | wpa_printf(MSG_DEBUG, "P2P: The only available " | |
1817 | "interface is already in use - reject " | |
1818 | "invitation"); | |
1819 | return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE; | |
1820 | } | |
1821 | os_memcpy(group_bssid, wpa_s->own_addr, ETH_ALEN); | |
1822 | } else if (s->mode == WPAS_MODE_P2P_GO) { | |
1823 | *go = 1; | |
1824 | if (wpas_p2p_add_group_interface(wpa_s, WPA_IF_P2P_GO) < 0) | |
1825 | { | |
1826 | wpa_printf(MSG_ERROR, "P2P: Failed to allocate a new " | |
1827 | "interface address for the group"); | |
1828 | return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE; | |
1829 | } | |
1830 | os_memcpy(group_bssid, wpa_s->pending_interface_addr, | |
1831 | ETH_ALEN); | |
1832 | } | |
1833 | ||
108def93 | 1834 | accept_inv: |
b22128ef JM |
1835 | if (wpa_s->current_ssid && wpa_drv_get_bssid(wpa_s, cur_bssid) == 0 && |
1836 | wpa_s->assoc_freq) { | |
1837 | wpa_printf(MSG_DEBUG, "P2P: Trying to force channel to match " | |
1838 | "the channel we are already using"); | |
1839 | *force_freq = wpa_s->assoc_freq; | |
1840 | } | |
1841 | ||
1842 | res = wpa_drv_shared_freq(wpa_s); | |
1843 | if (res > 0) { | |
1844 | wpa_printf(MSG_DEBUG, "P2P: Trying to force channel to match " | |
1845 | "with the channel we are already using on a " | |
1846 | "shared interface"); | |
1847 | *force_freq = res; | |
1848 | } | |
1849 | ||
1850 | return P2P_SC_SUCCESS; | |
1851 | } | |
1852 | ||
1853 | ||
1854 | static void wpas_invitation_received(void *ctx, const u8 *sa, const u8 *bssid, | |
1855 | const u8 *ssid, size_t ssid_len, | |
1856 | const u8 *go_dev_addr, u8 status, | |
1857 | int op_freq) | |
1858 | { | |
1859 | struct wpa_supplicant *wpa_s = ctx; | |
1860 | struct wpa_ssid *s; | |
1861 | ||
1862 | for (s = wpa_s->conf->ssid; s; s = s->next) { | |
1863 | if (s->disabled == 2 && | |
1864 | s->ssid_len == ssid_len && | |
1865 | os_memcmp(ssid, s->ssid, ssid_len) == 0) | |
1866 | break; | |
1867 | } | |
1868 | ||
1869 | if (status == P2P_SC_SUCCESS) { | |
1870 | wpa_printf(MSG_DEBUG, "P2P: Invitation from peer " MACSTR | |
1871 | " was accepted; op_freq=%d MHz", | |
1872 | MAC2STR(sa), op_freq); | |
1873 | if (s) { | |
1874 | wpas_p2p_group_add_persistent( | |
1875 | wpa_s, s, s->mode == WPAS_MODE_P2P_GO, 0); | |
2049af2b | 1876 | } else if (bssid) { |
108def93 JM |
1877 | wpas_p2p_join(wpa_s, bssid, go_dev_addr, |
1878 | wpa_s->p2p_wps_method); | |
b22128ef JM |
1879 | } |
1880 | return; | |
1881 | } | |
1882 | ||
1883 | if (status != P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE) { | |
1884 | wpa_printf(MSG_DEBUG, "P2P: Invitation from peer " MACSTR | |
1885 | " was rejected (status %u)", MAC2STR(sa), status); | |
1886 | return; | |
1887 | } | |
1888 | ||
1889 | if (!s) { | |
1890 | if (bssid) { | |
1891 | wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED | |
1892 | "sa=" MACSTR " go_dev_addr=" MACSTR | |
1893 | " bssid=" MACSTR " unknown-network", | |
1894 | MAC2STR(sa), MAC2STR(go_dev_addr), | |
1895 | MAC2STR(bssid)); | |
1896 | } else { | |
1897 | wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED | |
1898 | "sa=" MACSTR " go_dev_addr=" MACSTR | |
1899 | " unknown-network", | |
1900 | MAC2STR(sa), MAC2STR(go_dev_addr)); | |
1901 | } | |
1902 | return; | |
1903 | } | |
1904 | ||
1905 | wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED "sa=" MACSTR | |
1906 | " persistent=%d", MAC2STR(sa), s->id); | |
1907 | } | |
1908 | ||
1909 | ||
1910 | static void wpas_invitation_result(void *ctx, int status, const u8 *bssid) | |
1911 | { | |
1912 | struct wpa_supplicant *wpa_s = ctx; | |
1913 | struct wpa_ssid *ssid; | |
1914 | ||
1915 | if (bssid) { | |
1916 | wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RESULT | |
1917 | "status=%d " MACSTR, | |
1918 | status, MAC2STR(bssid)); | |
1919 | } else { | |
1920 | wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RESULT | |
1921 | "status=%d ", status); | |
1922 | } | |
5ccdf84f | 1923 | wpas_notify_p2p_invitation_result(wpa_s, status, bssid); |
b22128ef | 1924 | |
706887fc JM |
1925 | if (wpa_s->pending_invite_ssid_id == -1) |
1926 | return; /* Invitation to active group */ | |
1927 | ||
b22128ef JM |
1928 | if (status != P2P_SC_SUCCESS) { |
1929 | wpas_p2p_remove_pending_group_interface(wpa_s); | |
1930 | return; | |
1931 | } | |
1932 | ||
1933 | ssid = wpa_config_get_network(wpa_s->conf, | |
1934 | wpa_s->pending_invite_ssid_id); | |
1935 | if (ssid == NULL) { | |
1936 | wpa_printf(MSG_ERROR, "P2P: Could not find persistent group " | |
1937 | "data matching with invitation"); | |
1938 | return; | |
1939 | } | |
1940 | ||
1941 | wpas_p2p_group_add_persistent(wpa_s, ssid, | |
1942 | ssid->mode == WPAS_MODE_P2P_GO, 0); | |
1943 | } | |
1944 | ||
1945 | ||
ac8d1011 JM |
1946 | static int wpas_p2p_default_channels(struct wpa_supplicant *wpa_s, |
1947 | struct p2p_channels *chan) | |
1948 | { | |
1949 | int i, cla = 0; | |
1950 | ||
1951 | wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for 2.4 GHz " | |
1952 | "band"); | |
1953 | ||
1954 | /* Operating class 81 - 2.4 GHz band channels 1..13 */ | |
1955 | chan->reg_class[cla].reg_class = 81; | |
1956 | chan->reg_class[cla].channels = 11; | |
1957 | for (i = 0; i < 11; i++) | |
1958 | chan->reg_class[cla].channel[i] = i + 1; | |
1959 | cla++; | |
1960 | ||
1961 | wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for lower 5 GHz " | |
1962 | "band"); | |
1963 | ||
1964 | /* Operating class 115 - 5 GHz, channels 36-48 */ | |
1965 | chan->reg_class[cla].reg_class = 115; | |
1966 | chan->reg_class[cla].channels = 4; | |
1967 | chan->reg_class[cla].channel[0] = 36; | |
1968 | chan->reg_class[cla].channel[1] = 40; | |
1969 | chan->reg_class[cla].channel[2] = 44; | |
1970 | chan->reg_class[cla].channel[3] = 48; | |
1971 | cla++; | |
1972 | ||
1973 | wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for higher 5 GHz " | |
1974 | "band"); | |
1975 | ||
1976 | /* Operating class 124 - 5 GHz, channels 149,153,157,161 */ | |
1977 | chan->reg_class[cla].reg_class = 124; | |
1978 | chan->reg_class[cla].channels = 4; | |
1979 | chan->reg_class[cla].channel[0] = 149; | |
1980 | chan->reg_class[cla].channel[1] = 153; | |
1981 | chan->reg_class[cla].channel[2] = 157; | |
1982 | chan->reg_class[cla].channel[3] = 161; | |
1983 | cla++; | |
1984 | ||
1985 | chan->reg_classes = cla; | |
1986 | return 0; | |
1987 | } | |
1988 | ||
1989 | ||
1990 | static struct hostapd_hw_modes * get_mode(struct hostapd_hw_modes *modes, | |
1991 | u16 num_modes, | |
1992 | enum hostapd_hw_mode mode) | |
1993 | { | |
1994 | u16 i; | |
1995 | ||
1996 | for (i = 0; i < num_modes; i++) { | |
1997 | if (modes[i].mode == mode) | |
1998 | return &modes[i]; | |
1999 | } | |
2000 | ||
2001 | return NULL; | |
2002 | } | |
2003 | ||
2004 | ||
51222429 | 2005 | static int has_channel(struct hostapd_hw_modes *mode, u8 chan, int *flags) |
ac8d1011 JM |
2006 | { |
2007 | int i; | |
2008 | ||
2009 | for (i = 0; i < mode->num_channels; i++) { | |
2010 | if (mode->channels[i].chan == chan) { | |
51222429 JM |
2011 | if (flags) |
2012 | *flags = mode->channels[i].flag; | |
ac8d1011 JM |
2013 | return !(mode->channels[i].flag & |
2014 | (HOSTAPD_CHAN_DISABLED | | |
2015 | HOSTAPD_CHAN_PASSIVE_SCAN | | |
2016 | HOSTAPD_CHAN_NO_IBSS | | |
2017 | HOSTAPD_CHAN_RADAR)); | |
2018 | } | |
2019 | } | |
2020 | ||
2021 | return 0; | |
2022 | } | |
2023 | ||
2024 | ||
2025 | struct p2p_oper_class_map { | |
2026 | enum hostapd_hw_mode mode; | |
2027 | u8 op_class; | |
2028 | u8 min_chan; | |
2029 | u8 max_chan; | |
2030 | u8 inc; | |
51222429 | 2031 | enum { BW20, BW40PLUS, BW40MINUS } bw; |
ac8d1011 JM |
2032 | }; |
2033 | ||
b22128ef | 2034 | static int wpas_p2p_setup_channels(struct wpa_supplicant *wpa_s, |
ac8d1011 | 2035 | struct p2p_channels *chan) |
b22128ef | 2036 | { |
6bf731e8 | 2037 | struct hostapd_hw_modes *mode; |
ac8d1011 JM |
2038 | int cla, op; |
2039 | struct p2p_oper_class_map op_class[] = { | |
51222429 JM |
2040 | { HOSTAPD_MODE_IEEE80211G, 81, 1, 13, 1, BW20 }, |
2041 | { HOSTAPD_MODE_IEEE80211G, 82, 14, 14, 1, BW20 }, | |
2042 | #if 0 /* Do not enable HT40 on 2 GHz for now */ | |
2043 | { HOSTAPD_MODE_IEEE80211G, 83, 1, 9, 1, BW40PLUS }, | |
2044 | { HOSTAPD_MODE_IEEE80211G, 84, 5, 13, 1, BW40MINUS }, | |
ac8d1011 | 2045 | #endif |
51222429 JM |
2046 | { HOSTAPD_MODE_IEEE80211A, 115, 36, 48, 4, BW20 }, |
2047 | { HOSTAPD_MODE_IEEE80211A, 124, 149, 161, 4, BW20 }, | |
2048 | { HOSTAPD_MODE_IEEE80211A, 116, 36, 44, 8, BW40PLUS }, | |
2049 | { HOSTAPD_MODE_IEEE80211A, 117, 40, 48, 8, BW40MINUS }, | |
2050 | { HOSTAPD_MODE_IEEE80211A, 126, 149, 157, 8, BW40PLUS }, | |
2051 | { HOSTAPD_MODE_IEEE80211A, 127, 153, 161, 8, BW40MINUS }, | |
2052 | { -1, 0, 0, 0, 0, BW20 } | |
ac8d1011 | 2053 | }; |
b22128ef | 2054 | |
6bf731e8 | 2055 | if (wpa_s->hw.modes == NULL) { |
b22128ef JM |
2056 | wpa_printf(MSG_DEBUG, "P2P: Driver did not support fetching " |
2057 | "of all supported channels; assume dualband " | |
2058 | "support"); | |
ac8d1011 | 2059 | return wpas_p2p_default_channels(wpa_s, chan); |
b22128ef JM |
2060 | } |
2061 | ||
2062 | cla = 0; | |
2063 | ||
ac8d1011 JM |
2064 | for (op = 0; op_class[op].op_class; op++) { |
2065 | struct p2p_oper_class_map *o = &op_class[op]; | |
2066 | u8 ch; | |
2067 | struct p2p_reg_class *reg = NULL; | |
b22128ef | 2068 | |
6bf731e8 | 2069 | mode = get_mode(wpa_s->hw.modes, wpa_s->hw.num_modes, o->mode); |
ac8d1011 JM |
2070 | if (mode == NULL) |
2071 | continue; | |
2072 | for (ch = o->min_chan; ch <= o->max_chan; ch += o->inc) { | |
51222429 JM |
2073 | int flag; |
2074 | if (!has_channel(mode, ch, &flag)) | |
2075 | continue; | |
2076 | if (o->bw == BW40MINUS && | |
2077 | (!(flag & HOSTAPD_CHAN_HT40MINUS) || | |
5254eb7e | 2078 | !has_channel(mode, ch - 4, NULL))) |
51222429 JM |
2079 | continue; |
2080 | if (o->bw == BW40PLUS && | |
2081 | (!(flag & HOSTAPD_CHAN_HT40PLUS) || | |
5254eb7e | 2082 | !has_channel(mode, ch + 4, NULL))) |
ac8d1011 JM |
2083 | continue; |
2084 | if (reg == NULL) { | |
2085 | wpa_printf(MSG_DEBUG, "P2P: Add operating " | |
2086 | "class %u", o->op_class); | |
2087 | reg = &chan->reg_class[cla]; | |
2088 | cla++; | |
2089 | reg->reg_class = o->op_class; | |
2090 | } | |
2091 | reg->channel[reg->channels] = ch; | |
2092 | reg->channels++; | |
2093 | } | |
2094 | if (reg) { | |
2095 | wpa_hexdump(MSG_DEBUG, "P2P: Channels", | |
2096 | reg->channel, reg->channels); | |
2097 | } | |
b22128ef JM |
2098 | } |
2099 | ||
ac8d1011 | 2100 | chan->reg_classes = cla; |
b22128ef | 2101 | |
b22128ef JM |
2102 | return 0; |
2103 | } | |
2104 | ||
2105 | ||
2106 | static int wpas_get_noa(void *ctx, const u8 *interface_addr, u8 *buf, | |
2107 | size_t buf_len) | |
2108 | { | |
2109 | struct wpa_supplicant *wpa_s = ctx; | |
2110 | ||
2111 | for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) { | |
2112 | if (os_memcmp(wpa_s->own_addr, interface_addr, ETH_ALEN) == 0) | |
2113 | break; | |
2114 | } | |
2115 | if (wpa_s == NULL) | |
2116 | return -1; | |
2117 | ||
2118 | return wpa_drv_get_noa(wpa_s, buf, buf_len); | |
2119 | } | |
2120 | ||
2121 | ||
2122 | /** | |
2123 | * wpas_p2p_init - Initialize P2P module for %wpa_supplicant | |
2124 | * @global: Pointer to global data from wpa_supplicant_init() | |
2125 | * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface() | |
2126 | * Returns: 0 on success, -1 on failure | |
2127 | */ | |
2128 | int wpas_p2p_init(struct wpa_global *global, struct wpa_supplicant *wpa_s) | |
2129 | { | |
2130 | struct p2p_config p2p; | |
2131 | unsigned int r; | |
f95cac27 | 2132 | int i; |
b22128ef JM |
2133 | |
2134 | if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE)) | |
2135 | return 0; | |
2136 | ||
b22128ef JM |
2137 | if (global->p2p) |
2138 | return 0; | |
2139 | ||
3ac17eba JM |
2140 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) { |
2141 | struct p2p_params params; | |
2142 | ||
2143 | wpa_printf(MSG_DEBUG, "P2P: Use driver-based P2P management"); | |
2144 | os_memset(¶ms, 0, sizeof(params)); | |
2145 | params.dev_name = wpa_s->conf->device_name; | |
2f646b6e JB |
2146 | os_memcpy(params.pri_dev_type, wpa_s->conf->device_type, |
2147 | WPS_DEV_TYPE_LEN); | |
2148 | params.num_sec_dev_types = wpa_s->conf->num_sec_device_types; | |
2149 | os_memcpy(params.sec_dev_type, | |
2150 | wpa_s->conf->sec_device_type, | |
2151 | params.num_sec_dev_types * WPS_DEV_TYPE_LEN); | |
2152 | ||
3ac17eba JM |
2153 | if (wpa_drv_p2p_set_params(wpa_s, ¶ms) < 0) |
2154 | return -1; | |
2155 | ||
2156 | return 0; | |
2157 | } | |
2158 | ||
b22128ef JM |
2159 | os_memset(&p2p, 0, sizeof(p2p)); |
2160 | p2p.msg_ctx = wpa_s; | |
2161 | p2p.cb_ctx = wpa_s; | |
2162 | p2p.p2p_scan = wpas_p2p_scan; | |
2163 | p2p.send_action = wpas_send_action; | |
2164 | p2p.send_action_done = wpas_send_action_done; | |
2165 | p2p.go_neg_completed = wpas_go_neg_completed; | |
2166 | p2p.go_neg_req_rx = wpas_go_neg_req_rx; | |
2167 | p2p.dev_found = wpas_dev_found; | |
56eeb8f2 | 2168 | p2p.dev_lost = wpas_dev_lost; |
b22128ef JM |
2169 | p2p.start_listen = wpas_start_listen; |
2170 | p2p.stop_listen = wpas_stop_listen; | |
2171 | p2p.send_probe_resp = wpas_send_probe_resp; | |
2172 | p2p.sd_request = wpas_sd_request; | |
2173 | p2p.sd_response = wpas_sd_response; | |
2174 | p2p.prov_disc_req = wpas_prov_disc_req; | |
2175 | p2p.prov_disc_resp = wpas_prov_disc_resp; | |
dd8a7e05 | 2176 | p2p.prov_disc_fail = wpas_prov_disc_fail; |
b22128ef JM |
2177 | p2p.invitation_process = wpas_invitation_process; |
2178 | p2p.invitation_received = wpas_invitation_received; | |
2179 | p2p.invitation_result = wpas_invitation_result; | |
2180 | p2p.get_noa = wpas_get_noa; | |
2181 | ||
2182 | os_memcpy(wpa_s->global->p2p_dev_addr, wpa_s->own_addr, ETH_ALEN); | |
2183 | os_memcpy(p2p.dev_addr, wpa_s->own_addr, ETH_ALEN); | |
2184 | p2p.dev_name = wpa_s->conf->device_name; | |
b6e01800 JM |
2185 | p2p.manufacturer = wpa_s->conf->manufacturer; |
2186 | p2p.model_name = wpa_s->conf->model_name; | |
2187 | p2p.model_number = wpa_s->conf->model_number; | |
2188 | p2p.serial_number = wpa_s->conf->serial_number; | |
2189 | if (wpa_s->wps) { | |
2190 | os_memcpy(p2p.uuid, wpa_s->wps->uuid, 16); | |
2191 | p2p.config_methods = wpa_s->wps->config_methods; | |
2192 | } | |
b22128ef JM |
2193 | |
2194 | if (wpa_s->conf->p2p_listen_reg_class && | |
2195 | wpa_s->conf->p2p_listen_channel) { | |
2196 | p2p.reg_class = wpa_s->conf->p2p_listen_reg_class; | |
2197 | p2p.channel = wpa_s->conf->p2p_listen_channel; | |
2198 | } else { | |
2199 | p2p.reg_class = 81; | |
2200 | /* | |
2201 | * Pick one of the social channels randomly as the listen | |
2202 | * channel. | |
2203 | */ | |
2204 | os_get_random((u8 *) &r, sizeof(r)); | |
2205 | p2p.channel = 1 + (r % 3) * 5; | |
2206 | } | |
7cfc4ac3 | 2207 | wpa_printf(MSG_DEBUG, "P2P: Own listen channel: %d", p2p.channel); |
b22128ef JM |
2208 | |
2209 | if (wpa_s->conf->p2p_oper_reg_class && | |
2210 | wpa_s->conf->p2p_oper_channel) { | |
2211 | p2p.op_reg_class = wpa_s->conf->p2p_oper_reg_class; | |
2212 | p2p.op_channel = wpa_s->conf->p2p_oper_channel; | |
7cfc4ac3 AGS |
2213 | p2p.cfg_op_channel = 1; |
2214 | wpa_printf(MSG_DEBUG, "P2P: Configured operating channel: " | |
2215 | "%d:%d", p2p.op_reg_class, p2p.op_channel); | |
2216 | ||
b22128ef JM |
2217 | } else { |
2218 | p2p.op_reg_class = 81; | |
2219 | /* | |
7cfc4ac3 AGS |
2220 | * Use random operation channel from (1, 6, 11) if no other |
2221 | * preference is indicated. | |
b22128ef | 2222 | */ |
b7412dab | 2223 | os_get_random((u8 *) &r, sizeof(r)); |
7cfc4ac3 AGS |
2224 | p2p.op_channel = 1 + (r % 3) * 5; |
2225 | p2p.cfg_op_channel = 0; | |
2226 | wpa_printf(MSG_DEBUG, "P2P: Random operating channel: " | |
2227 | "%d:%d", p2p.op_reg_class, p2p.op_channel); | |
b22128ef | 2228 | } |
b22128ef JM |
2229 | if (wpa_s->conf->country[0] && wpa_s->conf->country[1]) { |
2230 | os_memcpy(p2p.country, wpa_s->conf->country, 2); | |
2231 | p2p.country[2] = 0x04; | |
2232 | } else | |
aaca6505 | 2233 | os_memcpy(p2p.country, "XX\x04", 3); |
b22128ef | 2234 | |
ac8d1011 | 2235 | if (wpas_p2p_setup_channels(wpa_s, &p2p.channels)) { |
b22128ef JM |
2236 | wpa_printf(MSG_ERROR, "P2P: Failed to configure supported " |
2237 | "channel list"); | |
2238 | return -1; | |
2239 | } | |
2240 | ||
2f646b6e JB |
2241 | os_memcpy(p2p.pri_dev_type, wpa_s->conf->device_type, |
2242 | WPS_DEV_TYPE_LEN); | |
b22128ef | 2243 | |
2f646b6e JB |
2244 | p2p.num_sec_dev_types = wpa_s->conf->num_sec_device_types; |
2245 | os_memcpy(p2p.sec_dev_type, wpa_s->conf->sec_device_type, | |
2246 | p2p.num_sec_dev_types * WPS_DEV_TYPE_LEN); | |
b22128ef JM |
2247 | |
2248 | p2p.concurrent_operations = !!(wpa_s->drv_flags & | |
2249 | WPA_DRIVER_FLAGS_P2P_CONCURRENT); | |
2250 | ||
de979d8f | 2251 | p2p.max_peers = 100; |
b22128ef JM |
2252 | |
2253 | if (wpa_s->conf->p2p_ssid_postfix) { | |
2254 | p2p.ssid_postfix_len = | |
2255 | os_strlen(wpa_s->conf->p2p_ssid_postfix); | |
2256 | if (p2p.ssid_postfix_len > sizeof(p2p.ssid_postfix)) | |
2257 | p2p.ssid_postfix_len = sizeof(p2p.ssid_postfix); | |
2258 | os_memcpy(p2p.ssid_postfix, wpa_s->conf->p2p_ssid_postfix, | |
2259 | p2p.ssid_postfix_len); | |
2260 | } | |
2261 | ||
0f66abd2 SS |
2262 | p2p.p2p_intra_bss = wpa_s->conf->p2p_intra_bss; |
2263 | ||
b22128ef JM |
2264 | global->p2p = p2p_init(&p2p); |
2265 | if (global->p2p == NULL) | |
2266 | return -1; | |
2267 | ||
f95cac27 JMB |
2268 | for (i = 0; i < MAX_WPS_VENDOR_EXT; i++) { |
2269 | if (wpa_s->conf->wps_vendor_ext[i] == NULL) | |
2270 | continue; | |
2271 | p2p_add_wps_vendor_extension( | |
2272 | global->p2p, wpa_s->conf->wps_vendor_ext[i]); | |
2273 | } | |
2274 | ||
b22128ef JM |
2275 | return 0; |
2276 | } | |
2277 | ||
2278 | ||
2279 | /** | |
2280 | * wpas_p2p_deinit - Deinitialize per-interface P2P data | |
2281 | * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface() | |
2282 | * | |
2283 | * This function deinitialize per-interface P2P data. | |
2284 | */ | |
2285 | void wpas_p2p_deinit(struct wpa_supplicant *wpa_s) | |
2286 | { | |
2287 | if (wpa_s->driver && wpa_s->drv_priv) | |
2288 | wpa_drv_probe_req_report(wpa_s, 0); | |
2289 | os_free(wpa_s->go_params); | |
2290 | wpa_s->go_params = NULL; | |
b22128ef | 2291 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL); |
ef922c4a | 2292 | eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL); |
b22128ef JM |
2293 | wpa_s->p2p_long_listen = 0; |
2294 | eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL); | |
3071e181 | 2295 | eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL); |
b22128ef JM |
2296 | wpas_p2p_remove_pending_group_interface(wpa_s); |
2297 | ||
2298 | /* TODO: remove group interface from the driver if this wpa_s instance | |
2299 | * is on top of a P2P group interface */ | |
2300 | } | |
2301 | ||
2302 | ||
2303 | /** | |
2304 | * wpas_p2p_deinit_global - Deinitialize global P2P module | |
2305 | * @global: Pointer to global data from wpa_supplicant_init() | |
2306 | * | |
2307 | * This function deinitializes the global (per device) P2P module. | |
2308 | */ | |
2309 | void wpas_p2p_deinit_global(struct wpa_global *global) | |
2310 | { | |
2311 | struct wpa_supplicant *wpa_s, *tmp; | |
2312 | char *ifname; | |
2313 | ||
2314 | if (global->p2p == NULL) | |
2315 | return; | |
2316 | ||
2317 | /* Remove remaining P2P group interfaces */ | |
2318 | wpa_s = global->ifaces; | |
2a43101e JM |
2319 | if (wpa_s) |
2320 | wpas_p2p_service_flush(wpa_s); | |
b22128ef JM |
2321 | while (wpa_s && wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE) |
2322 | wpa_s = wpa_s->next; | |
2323 | while (wpa_s) { | |
2324 | enum wpa_driver_if_type type; | |
2325 | tmp = global->ifaces; | |
2326 | while (tmp && | |
2327 | (tmp == wpa_s || | |
2328 | tmp->p2p_group_interface == NOT_P2P_GROUP_INTERFACE)) { | |
2329 | tmp = tmp->next; | |
2330 | } | |
2331 | if (tmp == NULL) | |
2332 | break; | |
2333 | ifname = os_strdup(tmp->ifname); | |
2334 | type = wpas_p2p_if_type(tmp->p2p_group_interface); | |
2335 | wpa_supplicant_remove_iface(global, tmp); | |
2336 | if (ifname) | |
2337 | wpa_drv_if_remove(wpa_s, type, ifname); | |
2338 | os_free(ifname); | |
2339 | } | |
2340 | ||
743ef799 JM |
2341 | /* |
2342 | * Deinit GO data on any possibly remaining interface (if main | |
2343 | * interface is used as GO). | |
2344 | */ | |
2345 | for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) { | |
2346 | if (wpa_s->ap_iface) | |
2347 | wpas_p2p_group_deinit(wpa_s); | |
2348 | } | |
2349 | ||
b22128ef JM |
2350 | p2p_deinit(global->p2p); |
2351 | global->p2p = NULL; | |
2352 | } | |
2353 | ||
2354 | ||
2355 | static int wpas_p2p_create_iface(struct wpa_supplicant *wpa_s) | |
2356 | { | |
971e357f JM |
2357 | if (wpa_s->drv_flags & |
2358 | (WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE | | |
2359 | WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P)) | |
b22128ef JM |
2360 | return 1; /* P2P group requires a new interface in every case |
2361 | */ | |
2362 | if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CONCURRENT)) | |
2363 | return 0; /* driver does not support concurrent operations */ | |
2364 | if (wpa_s->global->ifaces->next) | |
2365 | return 1; /* more that one interface already in use */ | |
2366 | if (wpa_s->wpa_state >= WPA_AUTHENTICATING) | |
2367 | return 1; /* this interface is already in use */ | |
2368 | return 0; | |
2369 | } | |
2370 | ||
2371 | ||
2372 | static int wpas_p2p_start_go_neg(struct wpa_supplicant *wpa_s, | |
2373 | const u8 *peer_addr, | |
2374 | enum p2p_wps_method wps_method, | |
2375 | int go_intent, const u8 *own_interface_addr, | |
2376 | unsigned int force_freq, int persistent_group) | |
2377 | { | |
acc247b2 JM |
2378 | if (persistent_group && wpa_s->conf->persistent_reconnect) |
2379 | persistent_group = 2; | |
2380 | ||
3ac17eba JM |
2381 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) { |
2382 | return wpa_drv_p2p_connect(wpa_s, peer_addr, wps_method, | |
2383 | go_intent, own_interface_addr, | |
2384 | force_freq, persistent_group); | |
2385 | } | |
2386 | ||
b22128ef JM |
2387 | return p2p_connect(wpa_s->global->p2p, peer_addr, wps_method, |
2388 | go_intent, own_interface_addr, force_freq, | |
2389 | persistent_group); | |
2390 | } | |
2391 | ||
2392 | ||
2393 | static int wpas_p2p_auth_go_neg(struct wpa_supplicant *wpa_s, | |
2394 | const u8 *peer_addr, | |
2395 | enum p2p_wps_method wps_method, | |
2396 | int go_intent, const u8 *own_interface_addr, | |
2397 | unsigned int force_freq, int persistent_group) | |
2398 | { | |
acc247b2 JM |
2399 | if (persistent_group && wpa_s->conf->persistent_reconnect) |
2400 | persistent_group = 2; | |
2401 | ||
3ac17eba JM |
2402 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
2403 | return -1; | |
2404 | ||
b22128ef JM |
2405 | return p2p_authorize(wpa_s->global->p2p, peer_addr, wps_method, |
2406 | go_intent, own_interface_addr, force_freq, | |
2407 | persistent_group); | |
2408 | } | |
2409 | ||
2410 | ||
9b1ab931 JM |
2411 | static void wpas_p2p_check_join_scan_limit(struct wpa_supplicant *wpa_s) |
2412 | { | |
2413 | wpa_s->p2p_join_scan_count++; | |
2414 | wpa_printf(MSG_DEBUG, "P2P: Join scan attempt %d", | |
2415 | wpa_s->p2p_join_scan_count); | |
2416 | if (wpa_s->p2p_join_scan_count > P2P_MAX_JOIN_SCAN_ATTEMPTS) { | |
2417 | wpa_printf(MSG_DEBUG, "P2P: Failed to find GO " MACSTR | |
2418 | " for join operationg - stop join attempt", | |
2419 | MAC2STR(wpa_s->pending_join_iface_addr)); | |
2420 | eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL); | |
2421 | wpa_msg(wpa_s->parent, MSG_INFO, | |
2422 | P2P_EVENT_GROUP_FORMATION_FAILURE); | |
2423 | } | |
2424 | } | |
2425 | ||
2426 | ||
ef922c4a JM |
2427 | static void wpas_p2p_scan_res_join(struct wpa_supplicant *wpa_s, |
2428 | struct wpa_scan_results *scan_res) | |
b22128ef JM |
2429 | { |
2430 | struct wpa_bss *bss; | |
f8d0131a | 2431 | int freq; |
54960629 | 2432 | u8 iface_addr[ETH_ALEN]; |
b22128ef | 2433 | |
ef922c4a | 2434 | eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL); |
b22128ef | 2435 | |
ef922c4a JM |
2436 | if (wpa_s->global->p2p_disabled) |
2437 | return; | |
b22128ef | 2438 | |
ef922c4a JM |
2439 | wpa_printf(MSG_DEBUG, "P2P: Scan results received (%d BSS) for join", |
2440 | scan_res ? (int) scan_res->num : -1); | |
2441 | ||
2442 | if (scan_res) | |
2443 | wpas_p2p_scan_res_handler(wpa_s, scan_res); | |
b22128ef | 2444 | |
f8d0131a JM |
2445 | freq = p2p_get_oper_freq(wpa_s->global->p2p, |
2446 | wpa_s->pending_join_iface_addr); | |
54960629 AL |
2447 | if (freq < 0 && |
2448 | p2p_get_interface_addr(wpa_s->global->p2p, | |
2449 | wpa_s->pending_join_dev_addr, | |
2450 | iface_addr) == 0 && | |
2451 | os_memcmp(iface_addr, wpa_s->pending_join_dev_addr, ETH_ALEN) != 0) | |
2452 | { | |
2453 | wpa_printf(MSG_DEBUG, "P2P: Overwrite pending interface " | |
2454 | "address for join from " MACSTR " to " MACSTR | |
2455 | " based on newly discovered P2P peer entry", | |
2456 | MAC2STR(wpa_s->pending_join_iface_addr), | |
2457 | MAC2STR(iface_addr)); | |
2458 | os_memcpy(wpa_s->pending_join_iface_addr, iface_addr, | |
2459 | ETH_ALEN); | |
2460 | ||
2461 | freq = p2p_get_oper_freq(wpa_s->global->p2p, | |
2462 | wpa_s->pending_join_iface_addr); | |
2463 | } | |
f8d0131a JM |
2464 | if (freq >= 0) { |
2465 | wpa_printf(MSG_DEBUG, "P2P: Target GO operating frequency " | |
2466 | "from P2P peer table: %d MHz", freq); | |
2467 | } | |
ef922c4a | 2468 | bss = wpa_bss_get_bssid(wpa_s, wpa_s->pending_join_iface_addr); |
b22128ef | 2469 | if (bss) { |
f8d0131a JM |
2470 | freq = bss->freq; |
2471 | wpa_printf(MSG_DEBUG, "P2P: Target GO operating frequency " | |
2472 | "from BSS table: %d MHz", freq); | |
2473 | } | |
2474 | if (freq > 0) { | |
b22128ef JM |
2475 | u16 method; |
2476 | ||
2477 | wpa_printf(MSG_DEBUG, "P2P: Send Provision Discovery Request " | |
2478 | "prior to joining an existing group (GO " MACSTR | |
2479 | " freq=%u MHz)", | |
f8d0131a | 2480 | MAC2STR(wpa_s->pending_join_dev_addr), freq); |
b22128ef JM |
2481 | wpa_s->pending_pd_before_join = 1; |
2482 | ||
ef922c4a | 2483 | switch (wpa_s->pending_join_wps_method) { |
b22128ef JM |
2484 | case WPS_PIN_DISPLAY: |
2485 | method = WPS_CONFIG_KEYPAD; | |
2486 | break; | |
2487 | case WPS_PIN_KEYPAD: | |
2488 | method = WPS_CONFIG_DISPLAY; | |
2489 | break; | |
2490 | case WPS_PBC: | |
2491 | method = WPS_CONFIG_PUSHBUTTON; | |
2492 | break; | |
2493 | default: | |
2494 | method = 0; | |
2495 | break; | |
2496 | } | |
2497 | ||
ef922c4a JM |
2498 | if (p2p_prov_disc_req(wpa_s->global->p2p, |
2499 | wpa_s->pending_join_dev_addr, method, 1) | |
b22128ef JM |
2500 | < 0) { |
2501 | wpa_printf(MSG_DEBUG, "P2P: Failed to send Provision " | |
2502 | "Discovery Request before joining an " | |
2503 | "existing group"); | |
2504 | wpa_s->pending_pd_before_join = 0; | |
2505 | goto start; | |
2506 | } | |
2507 | ||
2508 | /* | |
2509 | * Actual join operation will be started from the Action frame | |
2510 | * TX status callback. | |
2511 | */ | |
ef922c4a | 2512 | return; |
b22128ef JM |
2513 | } |
2514 | ||
9b1ab931 JM |
2515 | wpa_printf(MSG_DEBUG, "P2P: Failed to find BSS/GO - try again later"); |
2516 | eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL); | |
2517 | eloop_register_timeout(1, 0, wpas_p2p_join_scan, wpa_s, NULL); | |
2518 | wpas_p2p_check_join_scan_limit(wpa_s); | |
2519 | return; | |
b22128ef JM |
2520 | |
2521 | start: | |
2522 | /* Start join operation immediately */ | |
ef922c4a JM |
2523 | wpas_p2p_join_start(wpa_s); |
2524 | } | |
2525 | ||
2526 | ||
2527 | static void wpas_p2p_join_scan(void *eloop_ctx, void *timeout_ctx) | |
2528 | { | |
2529 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
2530 | int ret; | |
2531 | struct wpa_driver_scan_params params; | |
2532 | struct wpabuf *wps_ie, *ies; | |
206e1f42 | 2533 | size_t ielen; |
ef922c4a JM |
2534 | |
2535 | os_memset(¶ms, 0, sizeof(params)); | |
2536 | ||
2537 | /* P2P Wildcard SSID */ | |
2538 | params.num_ssids = 1; | |
2539 | params.ssids[0].ssid = (u8 *) P2P_WILDCARD_SSID; | |
2540 | params.ssids[0].ssid_len = P2P_WILDCARD_SSID_LEN; | |
2541 | ||
2542 | wpa_s->wps->dev.p2p = 1; | |
2543 | wps_ie = wps_build_probe_req_ie(0, &wpa_s->wps->dev, wpa_s->wps->uuid, | |
046ef4aa | 2544 | WPS_REQ_ENROLLEE, 0, NULL); |
ef922c4a JM |
2545 | if (wps_ie == NULL) { |
2546 | wpas_p2p_scan_res_join(wpa_s, NULL); | |
2547 | return; | |
2548 | } | |
2549 | ||
206e1f42 JM |
2550 | ielen = p2p_scan_ie_buf_len(wpa_s->global->p2p); |
2551 | ies = wpabuf_alloc(wpabuf_len(wps_ie) + ielen); | |
ef922c4a JM |
2552 | if (ies == NULL) { |
2553 | wpabuf_free(wps_ie); | |
2554 | wpas_p2p_scan_res_join(wpa_s, NULL); | |
2555 | return; | |
2556 | } | |
2557 | wpabuf_put_buf(ies, wps_ie); | |
2558 | wpabuf_free(wps_ie); | |
2559 | ||
2560 | p2p_scan_ie(wpa_s->global->p2p, ies); | |
2561 | ||
47185fc7 | 2562 | params.p2p_probe = 1; |
ef922c4a JM |
2563 | params.extra_ies = wpabuf_head(ies); |
2564 | params.extra_ies_len = wpabuf_len(ies); | |
2565 | ||
2566 | /* | |
2567 | * Run a scan to update BSS table and start Provision Discovery once | |
2568 | * the new scan results become available. | |
2569 | */ | |
2570 | wpa_s->scan_res_handler = wpas_p2p_scan_res_join; | |
17fbb751 | 2571 | ret = wpa_drv_scan(wpa_s, ¶ms); |
ef922c4a JM |
2572 | |
2573 | wpabuf_free(ies); | |
2574 | ||
2575 | if (ret) { | |
2576 | wpa_printf(MSG_DEBUG, "P2P: Failed to start scan for join - " | |
2577 | "try again later"); | |
2578 | eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL); | |
2579 | eloop_register_timeout(1, 0, wpas_p2p_join_scan, wpa_s, NULL); | |
9b1ab931 | 2580 | wpas_p2p_check_join_scan_limit(wpa_s); |
ef922c4a JM |
2581 | } |
2582 | } | |
2583 | ||
2584 | ||
2585 | static int wpas_p2p_join(struct wpa_supplicant *wpa_s, const u8 *iface_addr, | |
2586 | const u8 *dev_addr, enum p2p_wps_method wps_method) | |
2587 | { | |
2588 | wpa_printf(MSG_DEBUG, "P2P: Request to join existing group (iface " | |
2589 | MACSTR " dev " MACSTR ")", | |
2590 | MAC2STR(iface_addr), MAC2STR(dev_addr)); | |
2591 | ||
2592 | os_memcpy(wpa_s->pending_join_iface_addr, iface_addr, ETH_ALEN); | |
2593 | os_memcpy(wpa_s->pending_join_dev_addr, dev_addr, ETH_ALEN); | |
2594 | wpa_s->pending_join_wps_method = wps_method; | |
2595 | ||
2596 | /* Make sure we are not running find during connection establishment */ | |
2597 | wpas_p2p_stop_find(wpa_s); | |
2598 | ||
9b1ab931 | 2599 | wpa_s->p2p_join_scan_count = 0; |
ef922c4a JM |
2600 | wpas_p2p_join_scan(wpa_s, NULL); |
2601 | return 0; | |
b22128ef JM |
2602 | } |
2603 | ||
2604 | ||
2605 | static int wpas_p2p_join_start(struct wpa_supplicant *wpa_s) | |
2606 | { | |
2607 | struct wpa_supplicant *group; | |
2608 | struct p2p_go_neg_results res; | |
2609 | ||
2610 | group = wpas_p2p_get_group_iface(wpa_s, 0, 0); | |
2611 | if (group == NULL) | |
2612 | return -1; | |
3c5126a4 | 2613 | if (group != wpa_s) { |
b22128ef JM |
2614 | os_memcpy(group->p2p_pin, wpa_s->p2p_pin, |
2615 | sizeof(group->p2p_pin)); | |
3c5126a4 JM |
2616 | group->p2p_wps_method = wpa_s->p2p_wps_method; |
2617 | } | |
b22128ef JM |
2618 | |
2619 | group->p2p_in_provisioning = 1; | |
2620 | ||
2621 | os_memset(&res, 0, sizeof(res)); | |
2622 | os_memcpy(res.peer_interface_addr, wpa_s->pending_join_iface_addr, | |
2623 | ETH_ALEN); | |
2624 | res.wps_method = wpa_s->pending_join_wps_method; | |
2625 | wpas_start_wps_enrollee(group, &res); | |
2626 | ||
3094d483 JM |
2627 | /* |
2628 | * Allow a longer timeout for join-a-running-group than normal 15 | |
2629 | * second group formation timeout since the GO may not have authorized | |
2630 | * our connection yet. | |
2631 | */ | |
2632 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL); | |
2633 | eloop_register_timeout(60, 0, wpas_p2p_group_formation_timeout, | |
2634 | wpa_s, NULL); | |
2635 | ||
b22128ef JM |
2636 | return 0; |
2637 | } | |
2638 | ||
2639 | ||
2640 | /** | |
2641 | * wpas_p2p_connect - Request P2P Group Formation to be started | |
2642 | * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface() | |
2643 | * @peer_addr: Address of the peer P2P Device | |
2644 | * @pin: PIN to use during provisioning or %NULL to indicate PBC mode | |
2645 | * @persistent_group: Whether to create a persistent group | |
2646 | * @join: Whether to join an existing group (as a client) instead of starting | |
2647 | * Group Owner negotiation; @peer_addr is BSSID in that case | |
2648 | * @auth: Whether to only authorize the connection instead of doing that and | |
2649 | * initiating Group Owner negotiation | |
2650 | * @go_intent: GO Intent or -1 to use default | |
2651 | * @freq: Frequency for the group or 0 for auto-selection | |
d054a462 JM |
2652 | * Returns: 0 or new PIN (if pin was %NULL) on success, -1 on unspecified |
2653 | * failure, -2 on failure due to channel not currently available, | |
2654 | * -3 if forced channel is not supported | |
b22128ef JM |
2655 | */ |
2656 | int wpas_p2p_connect(struct wpa_supplicant *wpa_s, const u8 *peer_addr, | |
2657 | const char *pin, enum p2p_wps_method wps_method, | |
2658 | int persistent_group, int join, int auth, int go_intent, | |
2659 | int freq) | |
2660 | { | |
d054a462 | 2661 | int force_freq = 0, oper_freq = 0; |
b22128ef JM |
2662 | u8 bssid[ETH_ALEN]; |
2663 | int ret = 0; | |
2664 | enum wpa_driver_if_type iftype; | |
2665 | ||
9526fd29 JM |
2666 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
2667 | return -1; | |
2668 | ||
b22128ef JM |
2669 | if (go_intent < 0) |
2670 | go_intent = wpa_s->conf->p2p_go_intent; | |
2671 | ||
2672 | if (!auth) | |
2673 | wpa_s->p2p_long_listen = 0; | |
2674 | ||
3c5126a4 JM |
2675 | wpa_s->p2p_wps_method = wps_method; |
2676 | ||
b22128ef JM |
2677 | if (pin) |
2678 | os_strlcpy(wpa_s->p2p_pin, pin, sizeof(wpa_s->p2p_pin)); | |
2679 | else if (wps_method == WPS_PIN_DISPLAY) { | |
2680 | ret = wps_generate_pin(); | |
2681 | os_snprintf(wpa_s->p2p_pin, sizeof(wpa_s->p2p_pin), "%08d", | |
2682 | ret); | |
2683 | wpa_printf(MSG_DEBUG, "P2P: Randomly generated PIN: %s", | |
2684 | wpa_s->p2p_pin); | |
2685 | } else | |
2686 | wpa_s->p2p_pin[0] = '\0'; | |
2687 | ||
2688 | if (join) { | |
4147a2cc | 2689 | u8 iface_addr[ETH_ALEN], dev_addr[ETH_ALEN]; |
108def93 JM |
2690 | if (auth) { |
2691 | wpa_printf(MSG_DEBUG, "P2P: Authorize invitation to " | |
2692 | "connect a running group from " MACSTR, | |
2693 | MAC2STR(peer_addr)); | |
2694 | os_memcpy(wpa_s->p2p_auth_invite, peer_addr, ETH_ALEN); | |
2695 | return ret; | |
2696 | } | |
4147a2cc | 2697 | os_memcpy(dev_addr, peer_addr, ETH_ALEN); |
b22128ef | 2698 | if (p2p_get_interface_addr(wpa_s->global->p2p, peer_addr, |
4147a2cc | 2699 | iface_addr) < 0) { |
b22128ef | 2700 | os_memcpy(iface_addr, peer_addr, ETH_ALEN); |
4147a2cc JM |
2701 | p2p_get_dev_addr(wpa_s->global->p2p, peer_addr, |
2702 | dev_addr); | |
2703 | } | |
2704 | if (wpas_p2p_join(wpa_s, iface_addr, dev_addr, wps_method) < | |
b22128ef JM |
2705 | 0) |
2706 | return -1; | |
2707 | return ret; | |
2708 | } | |
2709 | ||
d054a462 JM |
2710 | if (wpa_s->current_ssid && wpa_drv_get_bssid(wpa_s, bssid) == 0 && |
2711 | wpa_s->assoc_freq) | |
2712 | oper_freq = wpa_s->assoc_freq; | |
b22128ef | 2713 | else { |
d054a462 JM |
2714 | oper_freq = wpa_drv_shared_freq(wpa_s); |
2715 | if (oper_freq < 0) | |
2716 | oper_freq = 0; | |
b22128ef JM |
2717 | } |
2718 | ||
d054a462 JM |
2719 | if (freq > 0) { |
2720 | if (!p2p_supported_freq(wpa_s->global->p2p, freq)) { | |
2721 | wpa_printf(MSG_DEBUG, "P2P: The forced channel " | |
2722 | "(%u MHz) is not supported for P2P uses", | |
2723 | freq); | |
2724 | return -3; | |
2725 | } | |
2726 | ||
2727 | if (oper_freq > 0 && freq != oper_freq && | |
2728 | !(wpa_s->drv_flags & | |
2729 | WPA_DRIVER_FLAGS_MULTI_CHANNEL_CONCURRENT)) { | |
2730 | wpa_printf(MSG_DEBUG, "P2P: Cannot start P2P group " | |
2731 | "on %u MHz while connected on another " | |
2732 | "channel (%u MHz)", freq, oper_freq); | |
2733 | return -2; | |
2734 | } | |
2735 | wpa_printf(MSG_DEBUG, "P2P: Trying to force us to use the " | |
2736 | "requested channel (%u MHz)", freq); | |
2737 | force_freq = freq; | |
2738 | } else if (oper_freq > 0 && | |
2739 | !p2p_supported_freq(wpa_s->global->p2p, oper_freq)) { | |
2740 | if (!(wpa_s->drv_flags & | |
2741 | WPA_DRIVER_FLAGS_MULTI_CHANNEL_CONCURRENT)) { | |
2742 | wpa_printf(MSG_DEBUG, "P2P: Cannot start P2P group " | |
2743 | "while connected on non-P2P supported " | |
2744 | "channel (%u MHz)", oper_freq); | |
2745 | return -2; | |
2746 | } | |
2747 | wpa_printf(MSG_DEBUG, "P2P: Current operating channel " | |
2748 | "(%u MHz) not available for P2P - try to use " | |
2749 | "another channel", oper_freq); | |
2750 | force_freq = 0; | |
2751 | } else if (oper_freq > 0) { | |
b22128ef JM |
2752 | wpa_printf(MSG_DEBUG, "P2P: Trying to force us to use the " |
2753 | "channel we are already using (%u MHz) on another " | |
d054a462 JM |
2754 | "interface", oper_freq); |
2755 | force_freq = oper_freq; | |
b22128ef JM |
2756 | } |
2757 | ||
2758 | wpa_s->create_p2p_iface = wpas_p2p_create_iface(wpa_s); | |
2759 | ||
2760 | if (!wpa_s->create_p2p_iface) { | |
2761 | if (auth) { | |
2762 | if (wpas_p2p_auth_go_neg(wpa_s, peer_addr, wps_method, | |
2763 | go_intent, wpa_s->own_addr, | |
2764 | force_freq, persistent_group) | |
2765 | < 0) | |
2766 | return -1; | |
2767 | return ret; | |
2768 | } | |
2769 | if (wpas_p2p_start_go_neg(wpa_s, peer_addr, wps_method, | |
2770 | go_intent, wpa_s->own_addr, | |
2771 | force_freq, persistent_group) < 0) | |
2772 | return -1; | |
2773 | return ret; | |
2774 | } | |
2775 | ||
2776 | /* Prepare to add a new interface for the group */ | |
2777 | iftype = WPA_IF_P2P_GROUP; | |
ab1dee81 | 2778 | if (go_intent == 15) |
b22128ef JM |
2779 | iftype = WPA_IF_P2P_GO; |
2780 | if (wpas_p2p_add_group_interface(wpa_s, iftype) < 0) { | |
2781 | wpa_printf(MSG_ERROR, "P2P: Failed to allocate a new " | |
2782 | "interface for the group"); | |
2783 | return -1; | |
2784 | } | |
2785 | ||
2786 | if (auth) { | |
2787 | if (wpas_p2p_auth_go_neg(wpa_s, peer_addr, wps_method, | |
2788 | go_intent, | |
2789 | wpa_s->pending_interface_addr, | |
2790 | force_freq, persistent_group) < 0) | |
2791 | return -1; | |
2792 | return ret; | |
2793 | } | |
2794 | if (wpas_p2p_start_go_neg(wpa_s, peer_addr, wps_method, go_intent, | |
2795 | wpa_s->pending_interface_addr, | |
2796 | force_freq, persistent_group) < 0) { | |
2797 | wpas_p2p_remove_pending_group_interface(wpa_s); | |
2798 | return -1; | |
2799 | } | |
2800 | return ret; | |
2801 | } | |
2802 | ||
2803 | ||
2804 | /** | |
2805 | * wpas_p2p_remain_on_channel_cb - Indication of remain-on-channel start | |
2806 | * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface() | |
2807 | * @freq: Frequency of the channel in MHz | |
2808 | * @duration: Duration of the stay on the channel in milliseconds | |
2809 | * | |
2810 | * This callback is called when the driver indicates that it has started the | |
2811 | * requested remain-on-channel duration. | |
2812 | */ | |
2813 | void wpas_p2p_remain_on_channel_cb(struct wpa_supplicant *wpa_s, | |
2814 | unsigned int freq, unsigned int duration) | |
2815 | { | |
9526fd29 JM |
2816 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
2817 | return; | |
b22128ef JM |
2818 | if (wpa_s->off_channel_freq == wpa_s->pending_listen_freq) { |
2819 | p2p_listen_cb(wpa_s->global->p2p, wpa_s->pending_listen_freq, | |
2820 | wpa_s->pending_listen_duration); | |
2821 | wpa_s->pending_listen_freq = 0; | |
2822 | } | |
2823 | } | |
2824 | ||
2825 | ||
2826 | static int wpas_p2p_listen_start(struct wpa_supplicant *wpa_s, | |
2827 | unsigned int timeout) | |
2828 | { | |
2829 | /* Limit maximum Listen state time based on driver limitation. */ | |
2830 | if (timeout > wpa_s->max_remain_on_chan) | |
2831 | timeout = wpa_s->max_remain_on_chan; | |
2832 | ||
3ac17eba JM |
2833 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
2834 | return wpa_drv_p2p_listen(wpa_s, timeout); | |
2835 | ||
b22128ef JM |
2836 | return p2p_listen(wpa_s->global->p2p, timeout); |
2837 | } | |
2838 | ||
2839 | ||
2840 | /** | |
2841 | * wpas_p2p_cancel_remain_on_channel_cb - Remain-on-channel timeout | |
2842 | * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface() | |
2843 | * @freq: Frequency of the channel in MHz | |
2844 | * | |
2845 | * This callback is called when the driver indicates that a remain-on-channel | |
2846 | * operation has been completed, i.e., the duration on the requested channel | |
2847 | * has timed out. | |
2848 | */ | |
2849 | void wpas_p2p_cancel_remain_on_channel_cb(struct wpa_supplicant *wpa_s, | |
2850 | unsigned int freq) | |
2851 | { | |
1cc3a29d | 2852 | wpa_printf(MSG_DEBUG, "P2P: Cancel remain-on-channel callback " |
11fb02be | 2853 | "(p2p_long_listen=%d ms pending_action_tx=%p)", |
1cc3a29d | 2854 | wpa_s->p2p_long_listen, wpa_s->pending_action_tx); |
9526fd29 JM |
2855 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
2856 | return; | |
b22128ef JM |
2857 | if (p2p_listen_end(wpa_s->global->p2p, freq) > 0) |
2858 | return; /* P2P module started a new operation */ | |
2859 | if (wpa_s->pending_action_tx) | |
2860 | return; | |
2861 | if (wpa_s->p2p_long_listen > 0) | |
11fb02be | 2862 | wpa_s->p2p_long_listen -= wpa_s->max_remain_on_chan; |
b22128ef JM |
2863 | if (wpa_s->p2p_long_listen > 0) { |
2864 | wpa_printf(MSG_DEBUG, "P2P: Continuing long Listen state"); | |
11fb02be | 2865 | wpas_p2p_listen_start(wpa_s, wpa_s->p2p_long_listen); |
b22128ef JM |
2866 | } |
2867 | } | |
2868 | ||
2869 | ||
2870 | /** | |
2871 | * wpas_p2p_group_remove - Remove a P2P group | |
2872 | * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface() | |
2873 | * @ifname: Network interface name of the group interface or "*" to remove all | |
2874 | * groups | |
2875 | * Returns: 0 on success, -1 on failure | |
2876 | * | |
2877 | * This function is used to remove a P2P group. This can be used to disconnect | |
2878 | * from a group in which the local end is a P2P Client or to end a P2P Group in | |
2879 | * case the local end is the Group Owner. If a virtual network interface was | |
2880 | * created for this group, that interface will be removed. Otherwise, only the | |
2881 | * configured P2P group network will be removed from the interface. | |
2882 | */ | |
2883 | int wpas_p2p_group_remove(struct wpa_supplicant *wpa_s, const char *ifname) | |
2884 | { | |
2885 | struct wpa_global *global = wpa_s->global; | |
2886 | ||
2887 | if (os_strcmp(ifname, "*") == 0) { | |
2888 | struct wpa_supplicant *prev; | |
2889 | wpa_s = global->ifaces; | |
2890 | while (wpa_s) { | |
2891 | prev = wpa_s; | |
2892 | wpa_s = wpa_s->next; | |
3103f345 | 2893 | wpas_p2p_disconnect(prev); |
b22128ef JM |
2894 | } |
2895 | return 0; | |
2896 | } | |
2897 | ||
2898 | for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) { | |
2899 | if (os_strcmp(wpa_s->ifname, ifname) == 0) | |
2900 | break; | |
2901 | } | |
2902 | ||
3103f345 | 2903 | return wpas_p2p_disconnect(wpa_s); |
b22128ef JM |
2904 | } |
2905 | ||
2906 | ||
2907 | static void wpas_p2p_init_go_params(struct wpa_supplicant *wpa_s, | |
2908 | struct p2p_go_neg_results *params, | |
2909 | int freq) | |
2910 | { | |
2911 | u8 bssid[ETH_ALEN]; | |
2912 | int res; | |
2913 | ||
2914 | os_memset(params, 0, sizeof(*params)); | |
2915 | params->role_go = 1; | |
7cfc4ac3 AGS |
2916 | if (freq) { |
2917 | wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on forced " | |
2918 | "frequency %d MHz", freq); | |
b22128ef | 2919 | params->freq = freq; |
7cfc4ac3 AGS |
2920 | } else if (wpa_s->conf->p2p_oper_reg_class == 81 && |
2921 | wpa_s->conf->p2p_oper_channel >= 1 && | |
2922 | wpa_s->conf->p2p_oper_channel <= 11) { | |
b22128ef | 2923 | params->freq = 2407 + 5 * wpa_s->conf->p2p_oper_channel; |
7cfc4ac3 AGS |
2924 | wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on configured " |
2925 | "frequency %d MHz", params->freq); | |
2926 | } else if (wpa_s->conf->p2p_oper_reg_class == 115 || | |
64f99265 | 2927 | wpa_s->conf->p2p_oper_reg_class == 124) { |
b22128ef | 2928 | params->freq = 5000 + 5 * wpa_s->conf->p2p_oper_channel; |
7cfc4ac3 AGS |
2929 | wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on configured " |
2930 | "frequency %d MHz", params->freq); | |
2931 | } else if (wpa_s->conf->p2p_oper_channel == 0 && | |
2932 | wpa_s->best_overall_freq > 0 && | |
2933 | p2p_supported_freq(wpa_s->global->p2p, | |
2934 | wpa_s->best_overall_freq)) { | |
2935 | params->freq = wpa_s->best_overall_freq; | |
2936 | wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on best overall " | |
2937 | "channel %d MHz", params->freq); | |
2938 | } else if (wpa_s->conf->p2p_oper_channel == 0 && | |
2939 | wpa_s->best_24_freq > 0 && | |
2940 | p2p_supported_freq(wpa_s->global->p2p, | |
2941 | wpa_s->best_24_freq)) { | |
2942 | params->freq = wpa_s->best_24_freq; | |
2943 | wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on best 2.4 GHz " | |
2944 | "channel %d MHz", params->freq); | |
2945 | } else if (wpa_s->conf->p2p_oper_channel == 0 && | |
2946 | wpa_s->best_5_freq > 0 && | |
2947 | p2p_supported_freq(wpa_s->global->p2p, | |
2948 | wpa_s->best_5_freq)) { | |
2949 | params->freq = wpa_s->best_5_freq; | |
2950 | wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on best 5 GHz " | |
2951 | "channel %d MHz", params->freq); | |
2952 | } else { | |
2953 | params->freq = 2412; | |
2954 | wpa_printf(MSG_DEBUG, "P2P: Set GO freq %d MHz (no preference " | |
2955 | "known)", params->freq); | |
2956 | } | |
2957 | ||
b22128ef JM |
2958 | if (wpa_s->current_ssid && wpa_drv_get_bssid(wpa_s, bssid) == 0 && |
2959 | wpa_s->assoc_freq && !freq) { | |
2960 | wpa_printf(MSG_DEBUG, "P2P: Force GO on the channel we are " | |
2961 | "already using"); | |
2962 | params->freq = wpa_s->assoc_freq; | |
2963 | } | |
2964 | ||
2965 | res = wpa_drv_shared_freq(wpa_s); | |
2966 | if (res > 0 && !freq) { | |
2967 | wpa_printf(MSG_DEBUG, "P2P: Force GO on the channel we are " | |
2968 | "already using on a shared interface"); | |
2969 | params->freq = res; | |
2970 | } | |
2971 | } | |
2972 | ||
2973 | ||
2974 | static struct wpa_supplicant * | |
2975 | wpas_p2p_get_group_iface(struct wpa_supplicant *wpa_s, int addr_allocated, | |
2976 | int go) | |
2977 | { | |
2978 | struct wpa_supplicant *group_wpa_s; | |
2979 | ||
2980 | if (!wpas_p2p_create_iface(wpa_s)) | |
2981 | return wpa_s; | |
2982 | ||
2983 | if (wpas_p2p_add_group_interface(wpa_s, go ? WPA_IF_P2P_GO : | |
2984 | WPA_IF_P2P_CLIENT) < 0) | |
2985 | return NULL; | |
2986 | group_wpa_s = wpas_p2p_init_group_interface(wpa_s, go); | |
2987 | if (group_wpa_s == NULL) { | |
2988 | wpas_p2p_remove_pending_group_interface(wpa_s); | |
2989 | return NULL; | |
2990 | } | |
2991 | ||
2992 | return group_wpa_s; | |
2993 | } | |
2994 | ||
2995 | ||
2996 | /** | |
2997 | * wpas_p2p_group_add - Add a new P2P group with local end as Group Owner | |
2998 | * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface() | |
2999 | * @persistent_group: Whether to create a persistent group | |
3000 | * @freq: Frequency for the group or 0 to indicate no hardcoding | |
3001 | * Returns: 0 on success, -1 on failure | |
3002 | * | |
3003 | * This function creates a new P2P group with the local end as the Group Owner, | |
3004 | * i.e., without using Group Owner Negotiation. | |
3005 | */ | |
3006 | int wpas_p2p_group_add(struct wpa_supplicant *wpa_s, int persistent_group, | |
3007 | int freq) | |
3008 | { | |
3009 | struct p2p_go_neg_results params; | |
7cfc4ac3 AGS |
3010 | unsigned int r; |
3011 | ||
9526fd29 JM |
3012 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
3013 | return -1; | |
3014 | ||
2d4f15d6 JJ |
3015 | /* Make sure we are not running find during connection establishment */ |
3016 | wpa_printf(MSG_DEBUG, "P2P: Stop any on-going P2P FIND"); | |
3017 | wpas_p2p_stop_find(wpa_s); | |
3018 | ||
7cfc4ac3 AGS |
3019 | if (freq == 2) { |
3020 | wpa_printf(MSG_DEBUG, "P2P: Request to start GO on 2.4 GHz " | |
3021 | "band"); | |
3022 | if (wpa_s->best_24_freq > 0 && | |
3023 | p2p_supported_freq(wpa_s->global->p2p, | |
3024 | wpa_s->best_24_freq)) { | |
3025 | freq = wpa_s->best_24_freq; | |
3026 | wpa_printf(MSG_DEBUG, "P2P: Use best 2.4 GHz band " | |
3027 | "channel: %d MHz", freq); | |
3028 | } else { | |
3029 | os_get_random((u8 *) &r, sizeof(r)); | |
3030 | freq = 2412 + (r % 3) * 25; | |
3031 | wpa_printf(MSG_DEBUG, "P2P: Use random 2.4 GHz band " | |
3032 | "channel: %d MHz", freq); | |
3033 | } | |
3034 | } | |
3035 | ||
3036 | if (freq == 5) { | |
3037 | wpa_printf(MSG_DEBUG, "P2P: Request to start GO on 5 GHz " | |
3038 | "band"); | |
3039 | if (wpa_s->best_5_freq > 0 && | |
3040 | p2p_supported_freq(wpa_s->global->p2p, | |
3041 | wpa_s->best_5_freq)) { | |
3042 | freq = wpa_s->best_5_freq; | |
3043 | wpa_printf(MSG_DEBUG, "P2P: Use best 5 GHz band " | |
3044 | "channel: %d MHz", freq); | |
3045 | } else { | |
3046 | os_get_random((u8 *) &r, sizeof(r)); | |
3047 | freq = 5180 + (r % 4) * 20; | |
3048 | if (!p2p_supported_freq(wpa_s->global->p2p, freq)) { | |
3049 | wpa_printf(MSG_DEBUG, "P2P: Could not select " | |
3050 | "5 GHz channel for P2P group"); | |
3051 | return -1; | |
3052 | } | |
3053 | wpa_printf(MSG_DEBUG, "P2P: Use random 5 GHz band " | |
3054 | "channel: %d MHz", freq); | |
3055 | } | |
3056 | } | |
b22128ef | 3057 | |
4ae4650b JM |
3058 | if (freq > 0 && !p2p_supported_freq(wpa_s->global->p2p, freq)) { |
3059 | wpa_printf(MSG_DEBUG, "P2P: The forced channel for GO " | |
3060 | "(%u MHz) is not supported for P2P uses", | |
3061 | freq); | |
3062 | return -1; | |
3063 | } | |
3064 | ||
b22128ef JM |
3065 | wpas_p2p_init_go_params(wpa_s, ¶ms, freq); |
3066 | p2p_go_params(wpa_s->global->p2p, ¶ms); | |
3067 | params.persistent_group = persistent_group; | |
3068 | ||
3069 | wpa_s = wpas_p2p_get_group_iface(wpa_s, 0, 1); | |
3070 | if (wpa_s == NULL) | |
3071 | return -1; | |
3072 | wpas_start_wps_go(wpa_s, ¶ms, 0); | |
3073 | ||
3074 | return 0; | |
3075 | } | |
3076 | ||
3077 | ||
3078 | static int wpas_start_p2p_client(struct wpa_supplicant *wpa_s, | |
3079 | struct wpa_ssid *params, int addr_allocated) | |
3080 | { | |
3081 | struct wpa_ssid *ssid; | |
3082 | ||
3083 | wpa_s = wpas_p2p_get_group_iface(wpa_s, addr_allocated, 0); | |
3084 | if (wpa_s == NULL) | |
3085 | return -1; | |
3086 | ||
3087 | wpa_supplicant_ap_deinit(wpa_s); | |
3088 | ||
3089 | ssid = wpa_config_add_network(wpa_s->conf); | |
3090 | if (ssid == NULL) | |
3091 | return -1; | |
b22128ef JM |
3092 | wpa_config_set_network_defaults(ssid); |
3093 | ssid->temporary = 1; | |
3094 | ssid->proto = WPA_PROTO_RSN; | |
3095 | ssid->pairwise_cipher = WPA_CIPHER_CCMP; | |
3096 | ssid->group_cipher = WPA_CIPHER_CCMP; | |
3097 | ssid->key_mgmt = WPA_KEY_MGMT_PSK; | |
3098 | ssid->ssid = os_malloc(params->ssid_len); | |
3099 | if (ssid->ssid == NULL) { | |
b22128ef JM |
3100 | wpa_config_remove_network(wpa_s->conf, ssid->id); |
3101 | return -1; | |
3102 | } | |
3103 | os_memcpy(ssid->ssid, params->ssid, params->ssid_len); | |
3104 | ssid->ssid_len = params->ssid_len; | |
3105 | ssid->p2p_group = 1; | |
d1c8ac88 | 3106 | ssid->export_keys = 1; |
b22128ef JM |
3107 | if (params->psk_set) { |
3108 | os_memcpy(ssid->psk, params->psk, 32); | |
3109 | ssid->psk_set = 1; | |
3110 | } | |
3111 | if (params->passphrase) | |
3112 | ssid->passphrase = os_strdup(params->passphrase); | |
3113 | ||
3114 | wpa_supplicant_select_network(wpa_s, ssid); | |
3115 | ||
3116 | wpa_s->show_group_started = 1; | |
3117 | ||
3118 | return 0; | |
3119 | } | |
3120 | ||
3121 | ||
3122 | int wpas_p2p_group_add_persistent(struct wpa_supplicant *wpa_s, | |
3123 | struct wpa_ssid *ssid, int addr_allocated, | |
3124 | int freq) | |
3125 | { | |
3126 | struct p2p_go_neg_results params; | |
6c0da49f | 3127 | int go = 0; |
b22128ef JM |
3128 | |
3129 | if (ssid->disabled != 2 || ssid->ssid == NULL) | |
3130 | return -1; | |
3131 | ||
6c0da49f JM |
3132 | if (wpas_get_p2p_group(wpa_s, ssid->ssid, ssid->ssid_len, &go) && |
3133 | go == (ssid->mode == WPAS_MODE_P2P_GO)) { | |
3134 | wpa_printf(MSG_DEBUG, "P2P: Requested persistent group is " | |
3135 | "already running"); | |
3136 | return 0; | |
3137 | } | |
3138 | ||
9d39057c JM |
3139 | /* Make sure we are not running find during connection establishment */ |
3140 | wpas_p2p_stop_find(wpa_s); | |
b22128ef JM |
3141 | |
3142 | if (ssid->mode == WPAS_MODE_INFRA) | |
3143 | return wpas_start_p2p_client(wpa_s, ssid, addr_allocated); | |
3144 | ||
3145 | if (ssid->mode != WPAS_MODE_P2P_GO) | |
3146 | return -1; | |
3147 | ||
3148 | wpas_p2p_init_go_params(wpa_s, ¶ms, freq); | |
3149 | ||
3150 | params.role_go = 1; | |
3151 | if (ssid->passphrase == NULL || | |
3152 | os_strlen(ssid->passphrase) >= sizeof(params.passphrase)) { | |
3153 | wpa_printf(MSG_DEBUG, "P2P: Invalid passphrase in persistent " | |
3154 | "group"); | |
3155 | return -1; | |
3156 | } | |
3157 | os_strlcpy(params.passphrase, ssid->passphrase, | |
3158 | sizeof(params.passphrase)); | |
3159 | os_memcpy(params.ssid, ssid->ssid, ssid->ssid_len); | |
3160 | params.ssid_len = ssid->ssid_len; | |
3161 | params.persistent_group = 1; | |
3162 | ||
3163 | wpa_s = wpas_p2p_get_group_iface(wpa_s, addr_allocated, 1); | |
3164 | if (wpa_s == NULL) | |
3165 | return -1; | |
3166 | ||
3167 | wpas_start_wps_go(wpa_s, ¶ms, 0); | |
3168 | ||
3169 | return 0; | |
3170 | } | |
3171 | ||
3172 | ||
3173 | static void wpas_p2p_ie_update(void *ctx, struct wpabuf *beacon_ies, | |
3174 | struct wpabuf *proberesp_ies) | |
3175 | { | |
3176 | struct wpa_supplicant *wpa_s = ctx; | |
3177 | if (wpa_s->ap_iface) { | |
3178 | struct hostapd_data *hapd = wpa_s->ap_iface->bss[0]; | |
3179 | if (beacon_ies) { | |
3180 | wpabuf_free(hapd->p2p_beacon_ie); | |
3181 | hapd->p2p_beacon_ie = beacon_ies; | |
3182 | } | |
3183 | wpabuf_free(hapd->p2p_probe_resp_ie); | |
3184 | hapd->p2p_probe_resp_ie = proberesp_ies; | |
3185 | } else { | |
3186 | wpabuf_free(beacon_ies); | |
3187 | wpabuf_free(proberesp_ies); | |
3188 | } | |
3189 | wpa_supplicant_ap_update_beacon(wpa_s); | |
3190 | } | |
3191 | ||
3192 | ||
3071e181 JM |
3193 | static void wpas_p2p_idle_update(void *ctx, int idle) |
3194 | { | |
3195 | struct wpa_supplicant *wpa_s = ctx; | |
3196 | if (!wpa_s->ap_iface) | |
3197 | return; | |
3198 | wpa_printf(MSG_DEBUG, "P2P: GO - group %sidle", idle ? "" : "not "); | |
3199 | if (idle) | |
3200 | wpas_p2p_set_group_idle_timeout(wpa_s); | |
3201 | else | |
3202 | eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL); | |
3203 | } | |
3204 | ||
3205 | ||
b22128ef JM |
3206 | struct p2p_group * wpas_p2p_group_init(struct wpa_supplicant *wpa_s, |
3207 | int persistent_group, | |
3208 | int group_formation) | |
3209 | { | |
3210 | struct p2p_group *group; | |
3211 | struct p2p_group_config *cfg; | |
3212 | ||
3ac17eba JM |
3213 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
3214 | return NULL; | |
9526fd29 JM |
3215 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
3216 | return NULL; | |
3ac17eba | 3217 | |
b22128ef JM |
3218 | cfg = os_zalloc(sizeof(*cfg)); |
3219 | if (cfg == NULL) | |
3220 | return NULL; | |
3221 | ||
acc247b2 JM |
3222 | if (persistent_group && wpa_s->conf->persistent_reconnect) |
3223 | cfg->persistent_group = 2; | |
3224 | else if (persistent_group) | |
3225 | cfg->persistent_group = 1; | |
b22128ef | 3226 | os_memcpy(cfg->interface_addr, wpa_s->own_addr, ETH_ALEN); |
3f4ce13f JM |
3227 | if (wpa_s->max_stations && |
3228 | wpa_s->max_stations < wpa_s->conf->max_num_sta) | |
3229 | cfg->max_clients = wpa_s->max_stations; | |
3230 | else | |
3231 | cfg->max_clients = wpa_s->conf->max_num_sta; | |
b22128ef JM |
3232 | cfg->cb_ctx = wpa_s; |
3233 | cfg->ie_update = wpas_p2p_ie_update; | |
3071e181 | 3234 | cfg->idle_update = wpas_p2p_idle_update; |
b22128ef JM |
3235 | |
3236 | group = p2p_group_init(wpa_s->global->p2p, cfg); | |
3237 | if (group == NULL) | |
3238 | os_free(cfg); | |
3239 | if (!group_formation) | |
3240 | p2p_group_notif_formation_done(group); | |
3241 | wpa_s->p2p_group = group; | |
3242 | return group; | |
3243 | } | |
3244 | ||
3245 | ||
3246 | void wpas_p2p_wps_success(struct wpa_supplicant *wpa_s, const u8 *peer_addr, | |
3247 | int registrar) | |
3248 | { | |
3249 | if (!wpa_s->p2p_in_provisioning) { | |
3250 | wpa_printf(MSG_DEBUG, "P2P: Ignore WPS success event - P2P " | |
3251 | "provisioning not in progress"); | |
3252 | return; | |
3253 | } | |
3254 | ||
3255 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s->parent, | |
3256 | NULL); | |
3257 | if (wpa_s->global->p2p) | |
3258 | p2p_wps_success_cb(wpa_s->global->p2p, peer_addr); | |
3ac17eba JM |
3259 | else if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
3260 | wpa_drv_wps_success_cb(wpa_s, peer_addr); | |
b22128ef JM |
3261 | wpas_group_formation_completed(wpa_s, 1); |
3262 | } | |
3263 | ||
3264 | ||
3734552f JS |
3265 | void wpas_p2p_wps_failed(struct wpa_supplicant *wpa_s, |
3266 | struct wps_event_fail *fail) | |
3267 | { | |
3268 | if (!wpa_s->p2p_in_provisioning) { | |
3269 | wpa_printf(MSG_DEBUG, "P2P: Ignore WPS fail event - P2P " | |
3270 | "provisioning not in progress"); | |
3271 | return; | |
3272 | } | |
3273 | wpas_notify_p2p_wps_failed(wpa_s, fail); | |
3274 | } | |
3275 | ||
3276 | ||
b22128ef JM |
3277 | int wpas_p2p_prov_disc(struct wpa_supplicant *wpa_s, const u8 *peer_addr, |
3278 | const char *config_method) | |
3279 | { | |
3280 | u16 config_methods; | |
3281 | ||
3282 | if (os_strcmp(config_method, "display") == 0) | |
3283 | config_methods = WPS_CONFIG_DISPLAY; | |
3284 | else if (os_strcmp(config_method, "keypad") == 0) | |
3285 | config_methods = WPS_CONFIG_KEYPAD; | |
3286 | else if (os_strcmp(config_method, "pbc") == 0 || | |
3287 | os_strcmp(config_method, "pushbutton") == 0) | |
3288 | config_methods = WPS_CONFIG_PUSHBUTTON; | |
3289 | else | |
3290 | return -1; | |
3291 | ||
3ac17eba JM |
3292 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) { |
3293 | return wpa_drv_p2p_prov_disc_req(wpa_s, peer_addr, | |
3294 | config_methods); | |
3295 | } | |
3296 | ||
9526fd29 | 3297 | if (wpa_s->global->p2p == NULL || wpa_s->global->p2p_disabled) |
b22128ef JM |
3298 | return -1; |
3299 | ||
3300 | return p2p_prov_disc_req(wpa_s->global->p2p, peer_addr, | |
3301 | config_methods, 0); | |
3302 | } | |
3303 | ||
3304 | ||
3305 | int wpas_p2p_scan_result_text(const u8 *ies, size_t ies_len, char *buf, | |
3306 | char *end) | |
3307 | { | |
3308 | return p2p_scan_result_text(ies, ies_len, buf, end); | |
3309 | } | |
3310 | ||
3311 | ||
1cc3a29d JM |
3312 | static void wpas_p2p_clear_pending_action_tx(struct wpa_supplicant *wpa_s) |
3313 | { | |
3314 | if (!wpa_s->pending_action_tx) | |
3315 | return; | |
3316 | ||
3317 | wpa_printf(MSG_DEBUG, "P2P: Drop pending Action TX due to new " | |
3318 | "operation request"); | |
3319 | wpabuf_free(wpa_s->pending_action_tx); | |
3320 | wpa_s->pending_action_tx = NULL; | |
3321 | } | |
3322 | ||
3323 | ||
b22128ef | 3324 | int wpas_p2p_find(struct wpa_supplicant *wpa_s, unsigned int timeout, |
046ef4aa JMB |
3325 | enum p2p_discovery_type type, |
3326 | unsigned int num_req_dev_types, const u8 *req_dev_types) | |
b22128ef | 3327 | { |
1cc3a29d | 3328 | wpas_p2p_clear_pending_action_tx(wpa_s); |
b22128ef JM |
3329 | wpa_s->p2p_long_listen = 0; |
3330 | ||
3ac17eba JM |
3331 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
3332 | return wpa_drv_p2p_find(wpa_s, timeout, type); | |
3333 | ||
9526fd29 JM |
3334 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
3335 | return -1; | |
3336 | ||
046ef4aa JMB |
3337 | return p2p_find(wpa_s->global->p2p, timeout, type, |
3338 | num_req_dev_types, req_dev_types); | |
b22128ef JM |
3339 | } |
3340 | ||
3341 | ||
3342 | void wpas_p2p_stop_find(struct wpa_supplicant *wpa_s) | |
3343 | { | |
1cc3a29d | 3344 | wpas_p2p_clear_pending_action_tx(wpa_s); |
b22128ef | 3345 | wpa_s->p2p_long_listen = 0; |
9d39057c | 3346 | eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL); |
ef922c4a | 3347 | eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL); |
b22128ef | 3348 | |
3ac17eba JM |
3349 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) { |
3350 | wpa_drv_p2p_stop_find(wpa_s); | |
3351 | return; | |
3352 | } | |
3353 | ||
9526fd29 JM |
3354 | if (wpa_s->global->p2p) |
3355 | p2p_stop_find(wpa_s->global->p2p); | |
b22128ef JM |
3356 | |
3357 | wpas_p2p_remove_pending_group_interface(wpa_s); | |
3358 | } | |
3359 | ||
3360 | ||
3361 | static void wpas_p2p_long_listen_timeout(void *eloop_ctx, void *timeout_ctx) | |
3362 | { | |
3363 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
3364 | wpa_s->p2p_long_listen = 0; | |
3365 | } | |
3366 | ||
3367 | ||
3368 | int wpas_p2p_listen(struct wpa_supplicant *wpa_s, unsigned int timeout) | |
3369 | { | |
3370 | int res; | |
3371 | ||
9526fd29 JM |
3372 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
3373 | return -1; | |
3374 | ||
1cc3a29d JM |
3375 | wpas_p2p_clear_pending_action_tx(wpa_s); |
3376 | ||
b22128ef JM |
3377 | if (timeout == 0) { |
3378 | /* | |
3379 | * This is a request for unlimited Listen state. However, at | |
3380 | * least for now, this is mapped to a Listen state for one | |
3381 | * hour. | |
3382 | */ | |
3383 | timeout = 3600; | |
3384 | } | |
3385 | eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL); | |
3386 | wpa_s->p2p_long_listen = 0; | |
3387 | ||
3388 | res = wpas_p2p_listen_start(wpa_s, timeout * 1000); | |
3389 | if (res == 0 && timeout * 1000 > wpa_s->max_remain_on_chan) { | |
11fb02be | 3390 | wpa_s->p2p_long_listen = timeout * 1000; |
b22128ef JM |
3391 | eloop_register_timeout(timeout, 0, |
3392 | wpas_p2p_long_listen_timeout, | |
3393 | wpa_s, NULL); | |
3394 | } | |
3395 | ||
3396 | return res; | |
3397 | } | |
3398 | ||
3399 | ||
4c08c0bd | 3400 | int wpas_p2p_assoc_req_ie(struct wpa_supplicant *wpa_s, struct wpa_bss *bss, |
b22128ef JM |
3401 | u8 *buf, size_t len, int p2p_group) |
3402 | { | |
4c08c0bd JM |
3403 | struct wpabuf *p2p_ie; |
3404 | int ret; | |
3405 | ||
b22128ef JM |
3406 | if (wpa_s->global->p2p_disabled) |
3407 | return -1; | |
3408 | if (wpa_s->global->p2p == NULL) | |
3409 | return -1; | |
e1f1509b JM |
3410 | if (bss == NULL) |
3411 | return -1; | |
b22128ef | 3412 | |
4c08c0bd JM |
3413 | p2p_ie = wpa_bss_get_vendor_ie_multi(bss, P2P_IE_VENDOR_TYPE); |
3414 | ret = p2p_assoc_req_ie(wpa_s->global->p2p, bss->bssid, buf, len, | |
3415 | p2p_group, p2p_ie); | |
3416 | wpabuf_free(p2p_ie); | |
3417 | ||
3418 | return ret; | |
b22128ef JM |
3419 | } |
3420 | ||
3421 | ||
3422 | int wpas_p2p_probe_req_rx(struct wpa_supplicant *wpa_s, const u8 *addr, | |
04a85e44 | 3423 | const u8 *dst, const u8 *bssid, |
b22128ef JM |
3424 | const u8 *ie, size_t ie_len) |
3425 | { | |
3426 | if (wpa_s->global->p2p_disabled) | |
3427 | return 0; | |
3428 | if (wpa_s->global->p2p == NULL) | |
3429 | return 0; | |
3430 | ||
04a85e44 JM |
3431 | return p2p_probe_req_rx(wpa_s->global->p2p, addr, dst, bssid, |
3432 | ie, ie_len); | |
b22128ef JM |
3433 | } |
3434 | ||
3435 | ||
3436 | void wpas_p2p_rx_action(struct wpa_supplicant *wpa_s, const u8 *da, | |
3437 | const u8 *sa, const u8 *bssid, | |
3438 | u8 category, const u8 *data, size_t len, int freq) | |
3439 | { | |
3440 | if (wpa_s->global->p2p_disabled) | |
3441 | return; | |
3442 | if (wpa_s->global->p2p == NULL) | |
3443 | return; | |
3444 | ||
3445 | p2p_rx_action(wpa_s->global->p2p, da, sa, bssid, category, data, len, | |
3446 | freq); | |
3447 | } | |
3448 | ||
3449 | ||
3450 | void wpas_p2p_scan_ie(struct wpa_supplicant *wpa_s, struct wpabuf *ies) | |
3451 | { | |
3452 | if (wpa_s->global->p2p_disabled) | |
3453 | return; | |
3454 | if (wpa_s->global->p2p == NULL) | |
3455 | return; | |
3456 | ||
3457 | p2p_scan_ie(wpa_s->global->p2p, ies); | |
3458 | } | |
3459 | ||
3460 | ||
3461 | void wpas_p2p_group_deinit(struct wpa_supplicant *wpa_s) | |
3462 | { | |
3463 | p2p_group_deinit(wpa_s->p2p_group); | |
3464 | wpa_s->p2p_group = NULL; | |
a7fd39bb JD |
3465 | |
3466 | wpa_s->ap_configured_cb = NULL; | |
3467 | wpa_s->ap_configured_cb_ctx = NULL; | |
3468 | wpa_s->ap_configured_cb_data = NULL; | |
3469 | wpa_s->connect_without_scan = NULL; | |
b22128ef JM |
3470 | } |
3471 | ||
3472 | ||
3473 | int wpas_p2p_reject(struct wpa_supplicant *wpa_s, const u8 *addr) | |
3474 | { | |
3475 | wpa_s->p2p_long_listen = 0; | |
3476 | ||
3ac17eba JM |
3477 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
3478 | return wpa_drv_p2p_reject(wpa_s, addr); | |
3479 | ||
9526fd29 JM |
3480 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
3481 | return -1; | |
3482 | ||
b22128ef JM |
3483 | return p2p_reject(wpa_s->global->p2p, addr); |
3484 | } | |
3485 | ||
3486 | ||
3487 | /* Invite to reinvoke a persistent group */ | |
3488 | int wpas_p2p_invite(struct wpa_supplicant *wpa_s, const u8 *peer_addr, | |
3489 | struct wpa_ssid *ssid, const u8 *go_dev_addr) | |
3490 | { | |
3491 | enum p2p_invite_role role; | |
3492 | u8 *bssid = NULL; | |
3493 | ||
3494 | if (ssid->mode == WPAS_MODE_P2P_GO) { | |
3495 | role = P2P_INVITE_ROLE_GO; | |
3496 | if (peer_addr == NULL) { | |
3497 | wpa_printf(MSG_DEBUG, "P2P: Missing peer " | |
3498 | "address in invitation command"); | |
3499 | return -1; | |
3500 | } | |
3501 | if (wpas_p2p_create_iface(wpa_s)) { | |
3502 | if (wpas_p2p_add_group_interface(wpa_s, | |
3503 | WPA_IF_P2P_GO) < 0) { | |
3504 | wpa_printf(MSG_ERROR, "P2P: Failed to " | |
3505 | "allocate a new interface for the " | |
3506 | "group"); | |
3507 | return -1; | |
3508 | } | |
3509 | bssid = wpa_s->pending_interface_addr; | |
3510 | } else | |
3511 | bssid = wpa_s->own_addr; | |
3512 | } else { | |
3513 | role = P2P_INVITE_ROLE_CLIENT; | |
3514 | peer_addr = ssid->bssid; | |
3515 | } | |
3516 | wpa_s->pending_invite_ssid_id = ssid->id; | |
3517 | ||
3ac17eba JM |
3518 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
3519 | return wpa_drv_p2p_invite(wpa_s, peer_addr, role, bssid, | |
3520 | ssid->ssid, ssid->ssid_len, | |
3521 | go_dev_addr, 1); | |
3522 | ||
9526fd29 JM |
3523 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
3524 | return -1; | |
3525 | ||
b22128ef JM |
3526 | return p2p_invite(wpa_s->global->p2p, peer_addr, role, bssid, |
3527 | ssid->ssid, ssid->ssid_len, 0, go_dev_addr, 1); | |
3528 | } | |
3529 | ||
3530 | ||
3531 | /* Invite to join an active group */ | |
3532 | int wpas_p2p_invite_group(struct wpa_supplicant *wpa_s, const char *ifname, | |
3533 | const u8 *peer_addr, const u8 *go_dev_addr) | |
3534 | { | |
3535 | struct wpa_global *global = wpa_s->global; | |
3536 | enum p2p_invite_role role; | |
3537 | u8 *bssid = NULL; | |
3538 | struct wpa_ssid *ssid; | |
3539 | ||
3540 | for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) { | |
3541 | if (os_strcmp(wpa_s->ifname, ifname) == 0) | |
3542 | break; | |
3543 | } | |
3544 | if (wpa_s == NULL) { | |
3545 | wpa_printf(MSG_DEBUG, "P2P: Interface '%s' not found", ifname); | |
3546 | return -1; | |
3547 | } | |
3548 | ||
3549 | ssid = wpa_s->current_ssid; | |
3550 | if (ssid == NULL) { | |
3551 | wpa_printf(MSG_DEBUG, "P2P: No current SSID to use for " | |
3552 | "invitation"); | |
3553 | return -1; | |
3554 | } | |
3555 | ||
3556 | if (ssid->mode == WPAS_MODE_P2P_GO) { | |
3557 | role = P2P_INVITE_ROLE_ACTIVE_GO; | |
3558 | bssid = wpa_s->own_addr; | |
3559 | if (go_dev_addr == NULL) | |
2e062d5d | 3560 | go_dev_addr = wpa_s->parent->own_addr; |
b22128ef JM |
3561 | } else { |
3562 | role = P2P_INVITE_ROLE_CLIENT; | |
3563 | if (wpa_s->wpa_state < WPA_ASSOCIATED) { | |
3564 | wpa_printf(MSG_DEBUG, "P2P: Not associated - cannot " | |
3565 | "invite to current group"); | |
3566 | return -1; | |
3567 | } | |
3568 | bssid = wpa_s->bssid; | |
3569 | if (go_dev_addr == NULL && | |
3570 | !is_zero_ether_addr(wpa_s->go_dev_addr)) | |
3571 | go_dev_addr = wpa_s->go_dev_addr; | |
3572 | } | |
bb79dc72 | 3573 | wpa_s->parent->pending_invite_ssid_id = -1; |
b22128ef | 3574 | |
3ac17eba JM |
3575 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
3576 | return wpa_drv_p2p_invite(wpa_s, peer_addr, role, bssid, | |
3577 | ssid->ssid, ssid->ssid_len, | |
3578 | go_dev_addr, 0); | |
3579 | ||
9526fd29 JM |
3580 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
3581 | return -1; | |
3582 | ||
b22128ef | 3583 | return p2p_invite(wpa_s->global->p2p, peer_addr, role, bssid, |
d9d6a58c JM |
3584 | ssid->ssid, ssid->ssid_len, wpa_s->assoc_freq, |
3585 | go_dev_addr, 0); | |
b22128ef JM |
3586 | } |
3587 | ||
3588 | ||
3589 | void wpas_p2p_completed(struct wpa_supplicant *wpa_s) | |
3590 | { | |
3591 | struct wpa_ssid *ssid = wpa_s->current_ssid; | |
3592 | const char *ssid_txt; | |
3593 | u8 go_dev_addr[ETH_ALEN]; | |
4b6baa2f | 3594 | int network_id = -1; |
b22128ef | 3595 | int persistent; |
b49d6ccb | 3596 | int freq; |
b22128ef JM |
3597 | |
3598 | if (!wpa_s->show_group_started || !ssid) | |
3599 | return; | |
3600 | ||
3601 | wpa_s->show_group_started = 0; | |
3602 | ||
3603 | ssid_txt = wpa_ssid_txt(ssid->ssid, ssid->ssid_len); | |
3604 | os_memset(go_dev_addr, 0, ETH_ALEN); | |
3605 | if (ssid->bssid_set) | |
3606 | os_memcpy(go_dev_addr, ssid->bssid, ETH_ALEN); | |
3607 | persistent = wpas_p2p_persistent_group(wpa_s, go_dev_addr, ssid->ssid, | |
3608 | ssid->ssid_len); | |
3609 | os_memcpy(wpa_s->go_dev_addr, go_dev_addr, ETH_ALEN); | |
3610 | ||
a0a9f3b0 JM |
3611 | if (wpa_s->global->p2p_group_formation == wpa_s) |
3612 | wpa_s->global->p2p_group_formation = NULL; | |
3613 | ||
b49d6ccb JJ |
3614 | freq = wpa_s->current_bss ? wpa_s->current_bss->freq : |
3615 | (int) wpa_s->assoc_freq; | |
b22128ef JM |
3616 | if (ssid->passphrase == NULL && ssid->psk_set) { |
3617 | char psk[65]; | |
3618 | wpa_snprintf_hex(psk, sizeof(psk), ssid->psk, 32); | |
3619 | wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED | |
c481048f AC |
3620 | "%s client ssid=\"%s\" freq=%d psk=%s go_dev_addr=" |
3621 | MACSTR "%s", | |
b49d6ccb | 3622 | wpa_s->ifname, ssid_txt, freq, psk, |
c481048f | 3623 | MAC2STR(go_dev_addr), |
b22128ef JM |
3624 | persistent ? " [PERSISTENT]" : ""); |
3625 | } else { | |
3626 | wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED | |
c481048f AC |
3627 | "%s client ssid=\"%s\" freq=%d passphrase=\"%s\" " |
3628 | "go_dev_addr=" MACSTR "%s", | |
b49d6ccb | 3629 | wpa_s->ifname, ssid_txt, freq, |
b22128ef JM |
3630 | ssid->passphrase ? ssid->passphrase : "", |
3631 | MAC2STR(go_dev_addr), | |
3632 | persistent ? " [PERSISTENT]" : ""); | |
3633 | } | |
3634 | ||
3635 | if (persistent) | |
4b6baa2f JMB |
3636 | network_id = wpas_p2p_store_persistent_group(wpa_s->parent, |
3637 | ssid, go_dev_addr); | |
3638 | if (network_id < 0) | |
3639 | network_id = ssid->id; | |
3640 | wpas_notify_p2p_group_started(wpa_s, ssid, network_id, 1); | |
b22128ef JM |
3641 | } |
3642 | ||
3643 | ||
3644 | int wpas_p2p_presence_req(struct wpa_supplicant *wpa_s, u32 duration1, | |
3645 | u32 interval1, u32 duration2, u32 interval2) | |
3646 | { | |
3ac17eba JM |
3647 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
3648 | return -1; | |
9526fd29 JM |
3649 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
3650 | return -1; | |
3ac17eba | 3651 | |
b22128ef JM |
3652 | if (wpa_s->wpa_state < WPA_ASSOCIATED || |
3653 | wpa_s->current_ssid == NULL || | |
3654 | wpa_s->current_ssid->mode != WPAS_MODE_INFRA) | |
3655 | return -1; | |
3656 | ||
3657 | return p2p_presence_req(wpa_s->global->p2p, wpa_s->bssid, | |
3658 | wpa_s->own_addr, wpa_s->assoc_freq, | |
3659 | duration1, interval1, duration2, interval2); | |
3660 | } | |
3661 | ||
3662 | ||
3663 | int wpas_p2p_ext_listen(struct wpa_supplicant *wpa_s, unsigned int period, | |
3664 | unsigned int interval) | |
3665 | { | |
3ac17eba JM |
3666 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
3667 | return -1; | |
3668 | ||
9526fd29 JM |
3669 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
3670 | return -1; | |
3671 | ||
b22128ef JM |
3672 | return p2p_ext_listen(wpa_s->global->p2p, period, interval); |
3673 | } | |
3674 | ||
3675 | ||
3071e181 JM |
3676 | static void wpas_p2p_group_idle_timeout(void *eloop_ctx, void *timeout_ctx) |
3677 | { | |
3678 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
3679 | ||
3680 | if (wpa_s->conf->p2p_group_idle == 0) { | |
3681 | wpa_printf(MSG_DEBUG, "P2P: Ignore group idle timeout - " | |
3682 | "disabled"); | |
3683 | return; | |
3684 | } | |
3685 | ||
3686 | wpa_printf(MSG_DEBUG, "P2P: Group idle timeout reached - terminate " | |
3687 | "group"); | |
3688 | wpa_s->removal_reason = P2P_GROUP_REMOVAL_IDLE_TIMEOUT; | |
3689 | wpas_p2p_group_delete(wpa_s); | |
3690 | } | |
3691 | ||
3692 | ||
3693 | static void wpas_p2p_set_group_idle_timeout(struct wpa_supplicant *wpa_s) | |
3694 | { | |
3695 | eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL); | |
3696 | if (wpa_s->conf->p2p_group_idle == 0) | |
3697 | return; | |
3698 | ||
3699 | if (wpa_s->current_ssid == NULL || !wpa_s->current_ssid->p2p_group) | |
3700 | return; | |
3701 | ||
3702 | wpa_printf(MSG_DEBUG, "P2P: Set P2P group idle timeout to %u seconds", | |
3703 | wpa_s->conf->p2p_group_idle); | |
3704 | eloop_register_timeout(wpa_s->conf->p2p_group_idle, 0, | |
3705 | wpas_p2p_group_idle_timeout, wpa_s, NULL); | |
3706 | } | |
3707 | ||
3708 | ||
b22128ef JM |
3709 | void wpas_p2p_deauth_notif(struct wpa_supplicant *wpa_s, const u8 *bssid, |
3710 | u16 reason_code, const u8 *ie, size_t ie_len) | |
3711 | { | |
9526fd29 | 3712 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
b22128ef | 3713 | return; |
3ac17eba JM |
3714 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
3715 | return; | |
b22128ef JM |
3716 | |
3717 | p2p_deauth_notif(wpa_s->global->p2p, bssid, reason_code, ie, ie_len); | |
3718 | } | |
3719 | ||
3720 | ||
3721 | void wpas_p2p_disassoc_notif(struct wpa_supplicant *wpa_s, const u8 *bssid, | |
3722 | u16 reason_code, const u8 *ie, size_t ie_len) | |
3723 | { | |
9526fd29 | 3724 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
b22128ef | 3725 | return; |
3ac17eba JM |
3726 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) |
3727 | return; | |
b22128ef JM |
3728 | |
3729 | p2p_disassoc_notif(wpa_s->global->p2p, bssid, reason_code, ie, ie_len); | |
3730 | } | |
3731 | ||
3732 | ||
3733 | void wpas_p2p_update_config(struct wpa_supplicant *wpa_s) | |
3734 | { | |
3735 | struct p2p_data *p2p = wpa_s->global->p2p; | |
3736 | ||
3737 | if (p2p == NULL) | |
3738 | return; | |
3739 | ||
4c010834 KL |
3740 | if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE)) |
3741 | return; | |
3742 | ||
b22128ef JM |
3743 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_NAME) |
3744 | p2p_set_dev_name(p2p, wpa_s->conf->device_name); | |
3745 | ||
2f646b6e JB |
3746 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_TYPE) |
3747 | p2p_set_pri_dev_type(p2p, wpa_s->conf->device_type); | |
b22128ef | 3748 | |
b6e01800 JM |
3749 | if (wpa_s->wps && |
3750 | (wpa_s->conf->changed_parameters & CFG_CHANGED_CONFIG_METHODS)) | |
3751 | p2p_set_config_methods(p2p, wpa_s->wps->config_methods); | |
3752 | ||
3753 | if (wpa_s->wps && (wpa_s->conf->changed_parameters & CFG_CHANGED_UUID)) | |
3754 | p2p_set_uuid(p2p, wpa_s->wps->uuid); | |
3755 | ||
3756 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_WPS_STRING) { | |
3757 | p2p_set_manufacturer(p2p, wpa_s->conf->manufacturer); | |
3758 | p2p_set_model_name(p2p, wpa_s->conf->model_name); | |
3759 | p2p_set_model_number(p2p, wpa_s->conf->model_number); | |
3760 | p2p_set_serial_number(p2p, wpa_s->conf->serial_number); | |
3761 | } | |
3762 | ||
2f646b6e JB |
3763 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_SEC_DEVICE_TYPE) |
3764 | p2p_set_sec_dev_types(p2p, | |
3765 | (void *) wpa_s->conf->sec_device_type, | |
3766 | wpa_s->conf->num_sec_device_types); | |
b22128ef | 3767 | |
f95cac27 JMB |
3768 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_VENDOR_EXTENSION) { |
3769 | int i; | |
3770 | p2p_remove_wps_vendor_extensions(p2p); | |
3771 | for (i = 0; i < MAX_WPS_VENDOR_EXT; i++) { | |
3772 | if (wpa_s->conf->wps_vendor_ext[i] == NULL) | |
3773 | continue; | |
3774 | p2p_add_wps_vendor_extension( | |
3775 | p2p, wpa_s->conf->wps_vendor_ext[i]); | |
3776 | } | |
3777 | } | |
3778 | ||
b22128ef JM |
3779 | if ((wpa_s->conf->changed_parameters & CFG_CHANGED_COUNTRY) && |
3780 | wpa_s->conf->country[0] && wpa_s->conf->country[1]) { | |
3781 | char country[3]; | |
3782 | country[0] = wpa_s->conf->country[0]; | |
3783 | country[1] = wpa_s->conf->country[1]; | |
3784 | country[2] = 0x04; | |
3785 | p2p_set_country(p2p, country); | |
3786 | } | |
3787 | ||
3788 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_SSID_POSTFIX) { | |
3789 | p2p_set_ssid_postfix(p2p, (u8 *) wpa_s->conf->p2p_ssid_postfix, | |
3790 | wpa_s->conf->p2p_ssid_postfix ? | |
3791 | os_strlen(wpa_s->conf->p2p_ssid_postfix) : | |
3792 | 0); | |
3793 | } | |
0f66abd2 SS |
3794 | |
3795 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_INTRA_BSS) | |
3796 | p2p_set_intra_bss_dist(p2p, wpa_s->conf->p2p_intra_bss); | |
2463ba70 JS |
3797 | |
3798 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_LISTEN_CHANNEL) { | |
3799 | u8 reg_class, channel; | |
3800 | int ret; | |
3801 | unsigned int r; | |
3802 | if (wpa_s->conf->p2p_listen_reg_class && | |
3803 | wpa_s->conf->p2p_listen_channel) { | |
3804 | reg_class = wpa_s->conf->p2p_listen_reg_class; | |
3805 | channel = wpa_s->conf->p2p_listen_channel; | |
3806 | } else { | |
3807 | reg_class = 81; | |
3808 | /* | |
3809 | * Pick one of the social channels randomly as the | |
3810 | * listen channel. | |
3811 | */ | |
3812 | os_get_random((u8 *) &r, sizeof(r)); | |
3813 | channel = 1 + (r % 3) * 5; | |
3814 | } | |
3815 | ret = p2p_set_listen_channel(p2p, reg_class, channel); | |
3816 | if (ret) | |
3817 | wpa_printf(MSG_ERROR, "P2P: Own listen channel update " | |
3818 | "failed: %d", ret); | |
3819 | } | |
3820 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_OPER_CHANNEL) { | |
3821 | u8 op_reg_class, op_channel, cfg_op_channel; | |
3822 | int ret = 0; | |
3823 | unsigned int r; | |
3824 | if (wpa_s->conf->p2p_oper_reg_class && | |
3825 | wpa_s->conf->p2p_oper_channel) { | |
3826 | op_reg_class = wpa_s->conf->p2p_oper_reg_class; | |
3827 | op_channel = wpa_s->conf->p2p_oper_channel; | |
3828 | cfg_op_channel = 1; | |
3829 | } else { | |
3830 | op_reg_class = 81; | |
3831 | /* | |
3832 | * Use random operation channel from (1, 6, 11) | |
3833 | *if no other preference is indicated. | |
3834 | */ | |
3835 | os_get_random((u8 *) &r, sizeof(r)); | |
3836 | op_channel = 1 + (r % 3) * 5; | |
3837 | cfg_op_channel = 0; | |
3838 | } | |
3839 | ret = p2p_set_oper_channel(p2p, op_reg_class, op_channel, | |
3840 | cfg_op_channel); | |
3841 | if (ret) | |
3842 | wpa_printf(MSG_ERROR, "P2P: Own oper channel update " | |
3843 | "failed: %d", ret); | |
3844 | } | |
b22128ef | 3845 | } |
aefb53bd JM |
3846 | |
3847 | ||
3848 | int wpas_p2p_set_noa(struct wpa_supplicant *wpa_s, u8 count, int start, | |
3849 | int duration) | |
3850 | { | |
3851 | if (!wpa_s->ap_iface) | |
3852 | return -1; | |
3853 | return hostapd_p2p_set_noa(wpa_s->ap_iface->bss[0], count, start, | |
3854 | duration); | |
3855 | } | |
72044390 JM |
3856 | |
3857 | ||
3858 | int wpas_p2p_set_cross_connect(struct wpa_supplicant *wpa_s, int enabled) | |
3859 | { | |
9526fd29 | 3860 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) |
72044390 JM |
3861 | return -1; |
3862 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) | |
3863 | return -1; | |
3864 | ||
3865 | wpa_s->global->cross_connection = enabled; | |
3866 | p2p_set_cross_connect(wpa_s->global->p2p, enabled); | |
3867 | ||
3868 | if (!enabled) { | |
3869 | struct wpa_supplicant *iface; | |
3870 | ||
3871 | for (iface = wpa_s->global->ifaces; iface; iface = iface->next) | |
3872 | { | |
3873 | if (iface->cross_connect_enabled == 0) | |
3874 | continue; | |
3875 | ||
3876 | iface->cross_connect_enabled = 0; | |
3877 | iface->cross_connect_in_use = 0; | |
3878 | wpa_msg(iface->parent, MSG_INFO, | |
3879 | P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s", | |
3880 | iface->ifname, iface->cross_connect_uplink); | |
3881 | } | |
3882 | } | |
3883 | ||
3884 | return 0; | |
3885 | } | |
3886 | ||
3887 | ||
3888 | static void wpas_p2p_enable_cross_connect(struct wpa_supplicant *uplink) | |
3889 | { | |
3890 | struct wpa_supplicant *iface; | |
3891 | ||
3892 | if (!uplink->global->cross_connection) | |
3893 | return; | |
3894 | ||
3895 | for (iface = uplink->global->ifaces; iface; iface = iface->next) { | |
3896 | if (!iface->cross_connect_enabled) | |
3897 | continue; | |
3898 | if (os_strcmp(uplink->ifname, iface->cross_connect_uplink) != | |
3899 | 0) | |
3900 | continue; | |
3901 | if (iface->ap_iface == NULL) | |
3902 | continue; | |
3903 | if (iface->cross_connect_in_use) | |
3904 | continue; | |
3905 | ||
3906 | iface->cross_connect_in_use = 1; | |
3907 | wpa_msg(iface->parent, MSG_INFO, | |
3908 | P2P_EVENT_CROSS_CONNECT_ENABLE "%s %s", | |
3909 | iface->ifname, iface->cross_connect_uplink); | |
3910 | } | |
3911 | } | |
3912 | ||
3913 | ||
3914 | static void wpas_p2p_disable_cross_connect(struct wpa_supplicant *uplink) | |
3915 | { | |
3916 | struct wpa_supplicant *iface; | |
3917 | ||
3918 | for (iface = uplink->global->ifaces; iface; iface = iface->next) { | |
3919 | if (!iface->cross_connect_enabled) | |
3920 | continue; | |
3921 | if (os_strcmp(uplink->ifname, iface->cross_connect_uplink) != | |
3922 | 0) | |
3923 | continue; | |
3924 | if (!iface->cross_connect_in_use) | |
3925 | continue; | |
3926 | ||
3927 | wpa_msg(iface->parent, MSG_INFO, | |
3928 | P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s", | |
3929 | iface->ifname, iface->cross_connect_uplink); | |
3930 | iface->cross_connect_in_use = 0; | |
3931 | } | |
3932 | } | |
3933 | ||
3934 | ||
3935 | void wpas_p2p_notif_connected(struct wpa_supplicant *wpa_s) | |
3936 | { | |
3937 | if (wpa_s->ap_iface || wpa_s->current_ssid == NULL || | |
3938 | wpa_s->current_ssid->mode != WPAS_MODE_INFRA || | |
3939 | wpa_s->cross_connect_disallowed) | |
3940 | wpas_p2p_disable_cross_connect(wpa_s); | |
3941 | else | |
3942 | wpas_p2p_enable_cross_connect(wpa_s); | |
3071e181 JM |
3943 | if (!wpa_s->ap_iface) |
3944 | eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL); | |
72044390 JM |
3945 | } |
3946 | ||
3947 | ||
3948 | void wpas_p2p_notif_disconnected(struct wpa_supplicant *wpa_s) | |
3949 | { | |
3950 | wpas_p2p_disable_cross_connect(wpa_s); | |
3071e181 JM |
3951 | if (!wpa_s->ap_iface) |
3952 | wpas_p2p_set_group_idle_timeout(wpa_s); | |
72044390 JM |
3953 | } |
3954 | ||
3955 | ||
3956 | static void wpas_p2p_cross_connect_setup(struct wpa_supplicant *wpa_s) | |
3957 | { | |
3958 | struct wpa_supplicant *iface; | |
3959 | ||
3960 | if (!wpa_s->global->cross_connection) | |
3961 | return; | |
3962 | ||
3963 | for (iface = wpa_s->global->ifaces; iface; iface = iface->next) { | |
3964 | if (iface == wpa_s) | |
3965 | continue; | |
3966 | if (iface->drv_flags & | |
3967 | WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE) | |
3968 | continue; | |
3969 | if (iface->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE) | |
3970 | continue; | |
3971 | ||
3972 | wpa_s->cross_connect_enabled = 1; | |
3973 | os_strlcpy(wpa_s->cross_connect_uplink, iface->ifname, | |
3974 | sizeof(wpa_s->cross_connect_uplink)); | |
3975 | wpa_printf(MSG_DEBUG, "P2P: Enable cross connection from " | |
3976 | "%s to %s whenever uplink is available", | |
3977 | wpa_s->ifname, wpa_s->cross_connect_uplink); | |
3978 | ||
3979 | if (iface->ap_iface || iface->current_ssid == NULL || | |
3980 | iface->current_ssid->mode != WPAS_MODE_INFRA || | |
3981 | iface->cross_connect_disallowed || | |
3982 | iface->wpa_state != WPA_COMPLETED) | |
3983 | break; | |
3984 | ||
3985 | wpa_s->cross_connect_in_use = 1; | |
3986 | wpa_msg(wpa_s->parent, MSG_INFO, | |
3987 | P2P_EVENT_CROSS_CONNECT_ENABLE "%s %s", | |
3988 | wpa_s->ifname, wpa_s->cross_connect_uplink); | |
3989 | break; | |
3990 | } | |
3991 | } | |
b73bf0a7 JM |
3992 | |
3993 | ||
3994 | int wpas_p2p_notif_pbc_overlap(struct wpa_supplicant *wpa_s) | |
3995 | { | |
3996 | if (wpa_s->p2p_group_interface != P2P_GROUP_INTERFACE_CLIENT && | |
3997 | !wpa_s->p2p_in_provisioning) | |
3998 | return 0; /* not P2P client operation */ | |
3999 | ||
4000 | wpa_printf(MSG_DEBUG, "P2P: Terminate connection due to WPS PBC " | |
4001 | "session overlap"); | |
148bb37f JM |
4002 | if (wpa_s != wpa_s->parent) |
4003 | wpa_msg_ctrl(wpa_s->parent, MSG_INFO, WPS_EVENT_OVERLAP); | |
0a14e3ec SS |
4004 | |
4005 | if (wpa_s->global->p2p) | |
4006 | p2p_group_formation_failed(wpa_s->global->p2p); | |
4007 | ||
4008 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, | |
4009 | wpa_s->parent, NULL); | |
4010 | ||
b73bf0a7 JM |
4011 | wpas_group_formation_completed(wpa_s, 0); |
4012 | return 1; | |
4013 | } | |
b5c9da8d JM |
4014 | |
4015 | ||
4016 | void wpas_p2p_update_channel_list(struct wpa_supplicant *wpa_s) | |
4017 | { | |
4018 | struct p2p_channels chan; | |
4019 | ||
4020 | if (wpa_s->global == NULL || wpa_s->global->p2p == NULL) | |
4021 | return; | |
4022 | ||
4023 | os_memset(&chan, 0, sizeof(chan)); | |
4024 | if (wpas_p2p_setup_channels(wpa_s, &chan)) { | |
4025 | wpa_printf(MSG_ERROR, "P2P: Failed to update supported " | |
4026 | "channel list"); | |
4027 | return; | |
4028 | } | |
4029 | ||
4030 | p2p_update_channel_list(wpa_s->global->p2p, &chan); | |
4031 | } | |
59eba7a2 JM |
4032 | |
4033 | ||
4034 | int wpas_p2p_cancel(struct wpa_supplicant *wpa_s) | |
4035 | { | |
4036 | struct wpa_global *global = wpa_s->global; | |
4037 | int found = 0; | |
231bbd03 | 4038 | const u8 *peer; |
59eba7a2 | 4039 | |
9526fd29 JM |
4040 | if (global->p2p == NULL) |
4041 | return -1; | |
4042 | ||
59eba7a2 JM |
4043 | wpa_printf(MSG_DEBUG, "P2P: Request to cancel group formation"); |
4044 | ||
4045 | if (wpa_s->pending_interface_name[0] && | |
4046 | !is_zero_ether_addr(wpa_s->pending_interface_addr)) | |
4047 | found = 1; | |
4048 | ||
231bbd03 SS |
4049 | peer = p2p_get_go_neg_peer(global->p2p); |
4050 | if (peer) { | |
4051 | wpa_printf(MSG_DEBUG, "P2P: Unauthorize pending GO Neg peer " | |
4052 | MACSTR, MAC2STR(peer)); | |
4053 | p2p_unauthorize(global->p2p, peer); | |
4054 | } | |
4055 | ||
59eba7a2 JM |
4056 | wpas_p2p_stop_find(wpa_s); |
4057 | ||
4058 | for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) { | |
4059 | if (wpa_s == global->p2p_group_formation && | |
a0a9f3b0 JM |
4060 | (wpa_s->p2p_in_provisioning || |
4061 | wpa_s->parent->pending_interface_type == | |
4062 | WPA_IF_P2P_CLIENT)) { | |
59eba7a2 JM |
4063 | wpa_printf(MSG_DEBUG, "P2P: Interface %s in group " |
4064 | "formation found - cancelling", | |
4065 | wpa_s->ifname); | |
4066 | found = 1; | |
45fee6f0 SS |
4067 | eloop_cancel_timeout(wpas_p2p_group_formation_timeout, |
4068 | wpa_s->parent, NULL); | |
59eba7a2 JM |
4069 | wpas_p2p_group_delete(wpa_s); |
4070 | break; | |
4071 | } | |
4072 | } | |
4073 | ||
4074 | if (!found) { | |
4075 | wpa_printf(MSG_DEBUG, "P2P: No ongoing group formation found"); | |
4076 | return -1; | |
4077 | } | |
4078 | ||
4079 | return 0; | |
4080 | } | |
c973f386 JM |
4081 | |
4082 | ||
4083 | void wpas_p2p_interface_unavailable(struct wpa_supplicant *wpa_s) | |
4084 | { | |
4085 | if (wpa_s->current_ssid == NULL || !wpa_s->current_ssid->p2p_group) | |
4086 | return; | |
4087 | ||
4088 | wpa_printf(MSG_DEBUG, "P2P: Remove group due to driver resource not " | |
4089 | "being available anymore"); | |
4090 | wpa_s->removal_reason = P2P_GROUP_REMOVAL_UNAVAILABLE; | |
4091 | wpas_p2p_group_delete(wpa_s); | |
4092 | } | |
7cfc4ac3 AGS |
4093 | |
4094 | ||
4095 | void wpas_p2p_update_best_channels(struct wpa_supplicant *wpa_s, | |
4096 | int freq_24, int freq_5, int freq_overall) | |
4097 | { | |
4098 | struct p2p_data *p2p = wpa_s->global->p2p; | |
4099 | if (p2p == NULL || (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)) | |
4100 | return; | |
4101 | p2p_set_best_channels(p2p, freq_24, freq_5, freq_overall); | |
4102 | } | |
9d562b79 SS |
4103 | |
4104 | ||
4105 | int wpas_p2p_unauthorize(struct wpa_supplicant *wpa_s, const char *addr) | |
4106 | { | |
4107 | u8 peer[ETH_ALEN]; | |
4108 | struct p2p_data *p2p = wpa_s->global->p2p; | |
4109 | ||
4110 | if (p2p == NULL || (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)) | |
4111 | return -1; | |
4112 | ||
4113 | if (hwaddr_aton(addr, peer)) | |
4114 | return -1; | |
4115 | ||
4116 | return p2p_unauthorize(p2p, peer); | |
4117 | } | |
3103f345 JB |
4118 | |
4119 | ||
4120 | /** | |
4121 | * wpas_p2p_disconnect - Disconnect from a P2P Group | |
4122 | * @wpa_s: Pointer to wpa_supplicant data | |
4123 | * Returns: 0 on success, -1 on failure | |
4124 | * | |
4125 | * This can be used to disconnect from a group in which the local end is a P2P | |
4126 | * Client or to end a P2P Group in case the local end is the Group Owner. If a | |
4127 | * virtual network interface was created for this group, that interface will be | |
4128 | * removed. Otherwise, only the configured P2P group network will be removed | |
4129 | * from the interface. | |
4130 | */ | |
4131 | int wpas_p2p_disconnect(struct wpa_supplicant *wpa_s) | |
4132 | { | |
4133 | ||
4134 | if (wpa_s == NULL) | |
4135 | return -1; | |
4136 | ||
4137 | wpa_s->removal_reason = P2P_GROUP_REMOVAL_REQUESTED; | |
4138 | wpas_p2p_group_delete(wpa_s); | |
4139 | ||
4140 | return 0; | |
4141 | } | |
303f60d3 JM |
4142 | |
4143 | ||
4144 | int wpas_p2p_in_progress(struct wpa_supplicant *wpa_s) | |
4145 | { | |
4146 | if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) | |
4147 | return 0; | |
4148 | ||
4149 | return p2p_in_progress(wpa_s->global->p2p); | |
4150 | } |