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6fc6879b JM |
1 | /* |
2 | * WPA Supplicant - Driver event processing | |
8d923a4a | 3 | * Copyright (c) 2003-2010, Jouni Malinen <j@w1.fi> |
6fc6879b JM |
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 "eapol_supp/eapol_supp_sm.h" | |
3acb5005 | 19 | #include "rsn_supp/wpa.h" |
6fc6879b | 20 | #include "eloop.h" |
6fc6879b JM |
21 | #include "config.h" |
22 | #include "l2_packet/l2_packet.h" | |
23 | #include "wpa_supplicant_i.h" | |
2d5b792d | 24 | #include "driver_i.h" |
6fc6879b | 25 | #include "pcsc_funcs.h" |
3acb5005 JM |
26 | #include "rsn_supp/preauth.h" |
27 | #include "rsn_supp/pmksa_cache.h" | |
90973fb2 | 28 | #include "common/wpa_ctrl.h" |
6fc6879b | 29 | #include "eap_peer/eap.h" |
8bac466b | 30 | #include "notify.h" |
90973fb2 | 31 | #include "common/ieee802_11_defs.h" |
6fc6879b JM |
32 | #include "blacklist.h" |
33 | #include "wpas_glue.h" | |
351f09a2 | 34 | #include "wps_supplicant.h" |
11ef8d35 | 35 | #include "ibss_rsn.h" |
c2a04078 | 36 | #include "sme.h" |
60b94c98 | 37 | #include "bgscan.h" |
f8b1f695 | 38 | #include "ap.h" |
6fa81a3b | 39 | #include "bss.h" |
245519e0 | 40 | #include "mlme.h" |
6fc6879b JM |
41 | |
42 | ||
43 | static int wpa_supplicant_select_config(struct wpa_supplicant *wpa_s) | |
44 | { | |
8bac466b | 45 | struct wpa_ssid *ssid, *old_ssid; |
6fc6879b JM |
46 | |
47 | if (wpa_s->conf->ap_scan == 1 && wpa_s->current_ssid) | |
48 | return 0; | |
49 | ||
50 | wpa_printf(MSG_DEBUG, "Select network based on association " | |
51 | "information"); | |
52 | ssid = wpa_supplicant_get_ssid(wpa_s); | |
53 | if (ssid == NULL) { | |
54 | wpa_printf(MSG_INFO, "No network configuration found for the " | |
55 | "current AP"); | |
56 | return -1; | |
57 | } | |
58 | ||
59 | if (ssid->disabled) { | |
60 | wpa_printf(MSG_DEBUG, "Selected network is disabled"); | |
61 | return -1; | |
62 | } | |
63 | ||
64 | wpa_printf(MSG_DEBUG, "Network configuration found for the current " | |
65 | "AP"); | |
66 | if (ssid->key_mgmt & (WPA_KEY_MGMT_PSK | WPA_KEY_MGMT_IEEE8021X | | |
67 | WPA_KEY_MGMT_WPA_NONE | | |
56586197 JM |
68 | WPA_KEY_MGMT_FT_PSK | WPA_KEY_MGMT_FT_IEEE8021X | |
69 | WPA_KEY_MGMT_PSK_SHA256 | | |
70 | WPA_KEY_MGMT_IEEE8021X_SHA256)) { | |
6fc6879b JM |
71 | u8 wpa_ie[80]; |
72 | size_t wpa_ie_len = sizeof(wpa_ie); | |
73 | wpa_supplicant_set_suites(wpa_s, NULL, ssid, | |
74 | wpa_ie, &wpa_ie_len); | |
75 | } else { | |
76 | wpa_supplicant_set_non_wpa_policy(wpa_s, ssid); | |
77 | } | |
78 | ||
79 | if (wpa_s->current_ssid && wpa_s->current_ssid != ssid) | |
80 | eapol_sm_invalidate_cached_session(wpa_s->eapol); | |
8bac466b | 81 | old_ssid = wpa_s->current_ssid; |
6fc6879b JM |
82 | wpa_s->current_ssid = ssid; |
83 | wpa_supplicant_rsn_supp_set_config(wpa_s, wpa_s->current_ssid); | |
84 | wpa_supplicant_initiate_eapol(wpa_s); | |
8bac466b JM |
85 | if (old_ssid != wpa_s->current_ssid) |
86 | wpas_notify_network_changed(wpa_s); | |
6fc6879b JM |
87 | |
88 | return 0; | |
89 | } | |
90 | ||
91 | ||
92 | static void wpa_supplicant_stop_countermeasures(void *eloop_ctx, | |
93 | void *sock_ctx) | |
94 | { | |
95 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
96 | ||
97 | if (wpa_s->countermeasures) { | |
98 | wpa_s->countermeasures = 0; | |
99 | wpa_drv_set_countermeasures(wpa_s, 0); | |
100 | wpa_msg(wpa_s, MSG_INFO, "WPA: TKIP countermeasures stopped"); | |
101 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
102 | } | |
103 | } | |
104 | ||
105 | ||
106 | void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s) | |
107 | { | |
8bac466b JM |
108 | int bssid_changed; |
109 | ||
6fc6879b | 110 | wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); |
8bac466b | 111 | bssid_changed = !is_zero_ether_addr(wpa_s->bssid); |
6fc6879b JM |
112 | os_memset(wpa_s->bssid, 0, ETH_ALEN); |
113 | os_memset(wpa_s->pending_bssid, 0, ETH_ALEN); | |
8bac466b JM |
114 | if (bssid_changed) |
115 | wpas_notify_bssid_changed(wpa_s); | |
116 | ||
6fc6879b JM |
117 | eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE); |
118 | eapol_sm_notify_portValid(wpa_s->eapol, FALSE); | |
56586197 | 119 | if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) |
6fc6879b JM |
120 | eapol_sm_notify_eap_success(wpa_s->eapol, FALSE); |
121 | wpa_s->ap_ies_from_associnfo = 0; | |
122 | } | |
123 | ||
124 | ||
125 | static void wpa_find_assoc_pmkid(struct wpa_supplicant *wpa_s) | |
126 | { | |
127 | struct wpa_ie_data ie; | |
128 | int pmksa_set = -1; | |
129 | size_t i; | |
130 | ||
131 | if (wpa_sm_parse_own_wpa_ie(wpa_s->wpa, &ie) < 0 || | |
132 | ie.pmkid == NULL) | |
133 | return; | |
134 | ||
135 | for (i = 0; i < ie.num_pmkid; i++) { | |
136 | pmksa_set = pmksa_cache_set_current(wpa_s->wpa, | |
137 | ie.pmkid + i * PMKID_LEN, | |
138 | NULL, NULL, 0); | |
139 | if (pmksa_set == 0) { | |
140 | eapol_sm_notify_pmkid_attempt(wpa_s->eapol, 1); | |
141 | break; | |
142 | } | |
143 | } | |
144 | ||
145 | wpa_printf(MSG_DEBUG, "RSN: PMKID from assoc IE %sfound from PMKSA " | |
146 | "cache", pmksa_set == 0 ? "" : "not "); | |
147 | } | |
148 | ||
149 | ||
150 | static void wpa_supplicant_event_pmkid_candidate(struct wpa_supplicant *wpa_s, | |
151 | union wpa_event_data *data) | |
152 | { | |
153 | if (data == NULL) { | |
154 | wpa_printf(MSG_DEBUG, "RSN: No data in PMKID candidate event"); | |
155 | return; | |
156 | } | |
157 | wpa_printf(MSG_DEBUG, "RSN: PMKID candidate event - bssid=" MACSTR | |
158 | " index=%d preauth=%d", | |
159 | MAC2STR(data->pmkid_candidate.bssid), | |
160 | data->pmkid_candidate.index, | |
161 | data->pmkid_candidate.preauth); | |
162 | ||
163 | pmksa_candidate_add(wpa_s->wpa, data->pmkid_candidate.bssid, | |
164 | data->pmkid_candidate.index, | |
165 | data->pmkid_candidate.preauth); | |
166 | } | |
167 | ||
168 | ||
169 | static int wpa_supplicant_dynamic_keys(struct wpa_supplicant *wpa_s) | |
170 | { | |
171 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE || | |
172 | wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) | |
173 | return 0; | |
174 | ||
175 | #ifdef IEEE8021X_EAPOL | |
176 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA && | |
177 | wpa_s->current_ssid && | |
178 | !(wpa_s->current_ssid->eapol_flags & | |
179 | (EAPOL_FLAG_REQUIRE_KEY_UNICAST | | |
180 | EAPOL_FLAG_REQUIRE_KEY_BROADCAST))) { | |
181 | /* IEEE 802.1X, but not using dynamic WEP keys (i.e., either | |
182 | * plaintext or static WEP keys). */ | |
183 | return 0; | |
184 | } | |
185 | #endif /* IEEE8021X_EAPOL */ | |
186 | ||
187 | return 1; | |
188 | } | |
189 | ||
190 | ||
191 | /** | |
192 | * wpa_supplicant_scard_init - Initialize SIM/USIM access with PC/SC | |
193 | * @wpa_s: pointer to wpa_supplicant data | |
194 | * @ssid: Configuration data for the network | |
195 | * Returns: 0 on success, -1 on failure | |
196 | * | |
197 | * This function is called when starting authentication with a network that is | |
198 | * configured to use PC/SC for SIM/USIM access (EAP-SIM or EAP-AKA). | |
199 | */ | |
200 | int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s, | |
201 | struct wpa_ssid *ssid) | |
202 | { | |
203 | #ifdef IEEE8021X_EAPOL | |
204 | int aka = 0, sim = 0, type; | |
205 | ||
206 | if (ssid->eap.pcsc == NULL || wpa_s->scard != NULL) | |
207 | return 0; | |
208 | ||
209 | if (ssid->eap.eap_methods == NULL) { | |
210 | sim = 1; | |
211 | aka = 1; | |
212 | } else { | |
213 | struct eap_method_type *eap = ssid->eap.eap_methods; | |
214 | while (eap->vendor != EAP_VENDOR_IETF || | |
215 | eap->method != EAP_TYPE_NONE) { | |
216 | if (eap->vendor == EAP_VENDOR_IETF) { | |
217 | if (eap->method == EAP_TYPE_SIM) | |
218 | sim = 1; | |
219 | else if (eap->method == EAP_TYPE_AKA) | |
220 | aka = 1; | |
221 | } | |
222 | eap++; | |
223 | } | |
224 | } | |
225 | ||
226 | if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_SIM) == NULL) | |
227 | sim = 0; | |
228 | if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA) == NULL) | |
229 | aka = 0; | |
230 | ||
231 | if (!sim && !aka) { | |
232 | wpa_printf(MSG_DEBUG, "Selected network is configured to use " | |
233 | "SIM, but neither EAP-SIM nor EAP-AKA are enabled"); | |
234 | return 0; | |
235 | } | |
236 | ||
237 | wpa_printf(MSG_DEBUG, "Selected network is configured to use SIM " | |
238 | "(sim=%d aka=%d) - initialize PCSC", sim, aka); | |
239 | if (sim && aka) | |
240 | type = SCARD_TRY_BOTH; | |
241 | else if (aka) | |
242 | type = SCARD_USIM_ONLY; | |
243 | else | |
244 | type = SCARD_GSM_SIM_ONLY; | |
245 | ||
246 | wpa_s->scard = scard_init(type); | |
247 | if (wpa_s->scard == NULL) { | |
248 | wpa_printf(MSG_WARNING, "Failed to initialize SIM " | |
249 | "(pcsc-lite)"); | |
250 | return -1; | |
251 | } | |
252 | wpa_sm_set_scard_ctx(wpa_s->wpa, wpa_s->scard); | |
253 | eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard); | |
254 | #endif /* IEEE8021X_EAPOL */ | |
255 | ||
256 | return 0; | |
257 | } | |
258 | ||
259 | ||
260 | #ifndef CONFIG_NO_SCAN_PROCESSING | |
261 | static int wpa_supplicant_match_privacy(struct wpa_scan_res *bss, | |
262 | struct wpa_ssid *ssid) | |
263 | { | |
264 | int i, privacy = 0; | |
265 | ||
266 | if (ssid->mixed_cell) | |
267 | return 1; | |
268 | ||
0632542b AT |
269 | #ifdef CONFIG_WPS |
270 | if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) | |
271 | return 1; | |
272 | #endif /* CONFIG_WPS */ | |
273 | ||
6fc6879b JM |
274 | for (i = 0; i < NUM_WEP_KEYS; i++) { |
275 | if (ssid->wep_key_len[i]) { | |
276 | privacy = 1; | |
277 | break; | |
278 | } | |
279 | } | |
280 | #ifdef IEEE8021X_EAPOL | |
281 | if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) && | |
282 | ssid->eapol_flags & (EAPOL_FLAG_REQUIRE_KEY_UNICAST | | |
283 | EAPOL_FLAG_REQUIRE_KEY_BROADCAST)) | |
284 | privacy = 1; | |
285 | #endif /* IEEE8021X_EAPOL */ | |
286 | ||
287 | if (bss->caps & IEEE80211_CAP_PRIVACY) | |
288 | return privacy; | |
289 | return !privacy; | |
290 | } | |
291 | ||
292 | ||
a6099152 JM |
293 | static int wpa_supplicant_ssid_bss_match(struct wpa_supplicant *wpa_s, |
294 | struct wpa_ssid *ssid, | |
6fc6879b JM |
295 | struct wpa_scan_res *bss) |
296 | { | |
297 | struct wpa_ie_data ie; | |
298 | int proto_match = 0; | |
299 | const u8 *rsn_ie, *wpa_ie; | |
351f09a2 | 300 | int ret; |
6fc6879b | 301 | |
a6099152 | 302 | ret = wpas_wps_ssid_bss_match(wpa_s, ssid, bss); |
351f09a2 JM |
303 | if (ret >= 0) |
304 | return ret; | |
ad08c363 | 305 | |
6fc6879b JM |
306 | rsn_ie = wpa_scan_get_ie(bss, WLAN_EID_RSN); |
307 | while ((ssid->proto & WPA_PROTO_RSN) && rsn_ie) { | |
308 | proto_match++; | |
309 | ||
310 | if (wpa_parse_wpa_ie(rsn_ie, 2 + rsn_ie[1], &ie)) { | |
311 | wpa_printf(MSG_DEBUG, " skip RSN IE - parse failed"); | |
312 | break; | |
313 | } | |
314 | if (!(ie.proto & ssid->proto)) { | |
315 | wpa_printf(MSG_DEBUG, " skip RSN IE - proto " | |
316 | "mismatch"); | |
317 | break; | |
318 | } | |
319 | ||
320 | if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) { | |
321 | wpa_printf(MSG_DEBUG, " skip RSN IE - PTK cipher " | |
322 | "mismatch"); | |
323 | break; | |
324 | } | |
325 | ||
326 | if (!(ie.group_cipher & ssid->group_cipher)) { | |
327 | wpa_printf(MSG_DEBUG, " skip RSN IE - GTK cipher " | |
328 | "mismatch"); | |
329 | break; | |
330 | } | |
331 | ||
332 | if (!(ie.key_mgmt & ssid->key_mgmt)) { | |
333 | wpa_printf(MSG_DEBUG, " skip RSN IE - key mgmt " | |
334 | "mismatch"); | |
335 | break; | |
336 | } | |
337 | ||
338 | #ifdef CONFIG_IEEE80211W | |
0b60b0aa JM |
339 | if (!(ie.capabilities & WPA_CAPABILITY_MFPC) && |
340 | ssid->ieee80211w == IEEE80211W_REQUIRED) { | |
6fc6879b JM |
341 | wpa_printf(MSG_DEBUG, " skip RSN IE - no mgmt frame " |
342 | "protection"); | |
343 | break; | |
344 | } | |
345 | #endif /* CONFIG_IEEE80211W */ | |
346 | ||
347 | wpa_printf(MSG_DEBUG, " selected based on RSN IE"); | |
348 | return 1; | |
349 | } | |
350 | ||
351 | wpa_ie = wpa_scan_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE); | |
352 | while ((ssid->proto & WPA_PROTO_WPA) && wpa_ie) { | |
353 | proto_match++; | |
354 | ||
355 | if (wpa_parse_wpa_ie(wpa_ie, 2 + wpa_ie[1], &ie)) { | |
356 | wpa_printf(MSG_DEBUG, " skip WPA IE - parse failed"); | |
357 | break; | |
358 | } | |
359 | if (!(ie.proto & ssid->proto)) { | |
360 | wpa_printf(MSG_DEBUG, " skip WPA IE - proto " | |
361 | "mismatch"); | |
362 | break; | |
363 | } | |
364 | ||
365 | if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) { | |
366 | wpa_printf(MSG_DEBUG, " skip WPA IE - PTK cipher " | |
367 | "mismatch"); | |
368 | break; | |
369 | } | |
370 | ||
371 | if (!(ie.group_cipher & ssid->group_cipher)) { | |
372 | wpa_printf(MSG_DEBUG, " skip WPA IE - GTK cipher " | |
373 | "mismatch"); | |
374 | break; | |
375 | } | |
376 | ||
377 | if (!(ie.key_mgmt & ssid->key_mgmt)) { | |
378 | wpa_printf(MSG_DEBUG, " skip WPA IE - key mgmt " | |
379 | "mismatch"); | |
380 | break; | |
381 | } | |
382 | ||
383 | wpa_printf(MSG_DEBUG, " selected based on WPA IE"); | |
384 | return 1; | |
385 | } | |
386 | ||
387 | if (proto_match == 0) | |
388 | wpa_printf(MSG_DEBUG, " skip - no WPA/RSN proto match"); | |
389 | ||
390 | return 0; | |
391 | } | |
392 | ||
393 | ||
6fa81a3b | 394 | static struct wpa_bss * |
9cf32261 | 395 | wpa_supplicant_select_bss_wpa(struct wpa_supplicant *wpa_s, |
a1fd2ce5 | 396 | struct wpa_scan_results *scan_res, |
9cf32261 JM |
397 | struct wpa_ssid *group, |
398 | struct wpa_ssid **selected_ssid) | |
6fc6879b JM |
399 | { |
400 | struct wpa_ssid *ssid; | |
9cf32261 | 401 | struct wpa_scan_res *bss; |
6fc6879b JM |
402 | size_t i; |
403 | struct wpa_blacklist *e; | |
404 | const u8 *ie; | |
405 | ||
6fc6879b | 406 | wpa_printf(MSG_DEBUG, "Try to find WPA-enabled AP"); |
a1fd2ce5 | 407 | for (i = 0; i < scan_res->num; i++) { |
6fc6879b JM |
408 | const u8 *ssid_; |
409 | u8 wpa_ie_len, rsn_ie_len, ssid_len; | |
a1fd2ce5 | 410 | bss = scan_res->res[i]; |
6fc6879b JM |
411 | |
412 | ie = wpa_scan_get_ie(bss, WLAN_EID_SSID); | |
413 | ssid_ = ie ? ie + 2 : (u8 *) ""; | |
414 | ssid_len = ie ? ie[1] : 0; | |
415 | ||
416 | ie = wpa_scan_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE); | |
417 | wpa_ie_len = ie ? ie[1] : 0; | |
418 | ||
419 | ie = wpa_scan_get_ie(bss, WLAN_EID_RSN); | |
420 | rsn_ie_len = ie ? ie[1] : 0; | |
421 | ||
422 | wpa_printf(MSG_DEBUG, "%d: " MACSTR " ssid='%s' " | |
423 | "wpa_ie_len=%u rsn_ie_len=%u caps=0x%x", | |
424 | (int) i, MAC2STR(bss->bssid), | |
425 | wpa_ssid_txt(ssid_, ssid_len), | |
426 | wpa_ie_len, rsn_ie_len, bss->caps); | |
9cf32261 | 427 | |
6fc6879b JM |
428 | e = wpa_blacklist_get(wpa_s, bss->bssid); |
429 | if (e && e->count > 1) { | |
430 | wpa_printf(MSG_DEBUG, " skip - blacklisted"); | |
431 | continue; | |
432 | } | |
433 | ||
e81634cd JM |
434 | if (ssid_len == 0) { |
435 | wpa_printf(MSG_DEBUG, " skip - SSID not known"); | |
436 | continue; | |
437 | } | |
438 | ||
6fc6879b JM |
439 | if (wpa_ie_len == 0 && rsn_ie_len == 0) { |
440 | wpa_printf(MSG_DEBUG, " skip - no WPA/RSN IE"); | |
441 | continue; | |
442 | } | |
443 | ||
444 | for (ssid = group; ssid; ssid = ssid->pnext) { | |
ad08c363 JM |
445 | int check_ssid = 1; |
446 | ||
6fc6879b JM |
447 | if (ssid->disabled) { |
448 | wpa_printf(MSG_DEBUG, " skip - disabled"); | |
449 | continue; | |
450 | } | |
9cf32261 | 451 | |
ad08c363 JM |
452 | #ifdef CONFIG_WPS |
453 | if (ssid->ssid_len == 0 && | |
a6099152 | 454 | wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss)) |
ad08c363 JM |
455 | check_ssid = 0; |
456 | #endif /* CONFIG_WPS */ | |
457 | ||
458 | if (check_ssid && | |
459 | (ssid_len != ssid->ssid_len || | |
460 | os_memcmp(ssid_, ssid->ssid, ssid_len) != 0)) { | |
6fc6879b JM |
461 | wpa_printf(MSG_DEBUG, " skip - " |
462 | "SSID mismatch"); | |
463 | continue; | |
464 | } | |
9cf32261 | 465 | |
6fc6879b JM |
466 | if (ssid->bssid_set && |
467 | os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) != 0) | |
468 | { | |
469 | wpa_printf(MSG_DEBUG, " skip - " | |
470 | "BSSID mismatch"); | |
471 | continue; | |
472 | } | |
9cf32261 | 473 | |
a6099152 | 474 | if (!wpa_supplicant_ssid_bss_match(wpa_s, ssid, bss)) |
9cf32261 JM |
475 | continue; |
476 | ||
477 | wpa_printf(MSG_DEBUG, " selected WPA AP " | |
478 | MACSTR " ssid='%s'", | |
479 | MAC2STR(bss->bssid), | |
480 | wpa_ssid_txt(ssid_, ssid_len)); | |
481 | *selected_ssid = ssid; | |
6fa81a3b | 482 | return wpa_bss_get(wpa_s, bss->bssid, ssid_, ssid_len); |
6fc6879b JM |
483 | } |
484 | } | |
485 | ||
9cf32261 JM |
486 | return NULL; |
487 | } | |
488 | ||
489 | ||
6fa81a3b | 490 | static struct wpa_bss * |
9cf32261 | 491 | wpa_supplicant_select_bss_non_wpa(struct wpa_supplicant *wpa_s, |
a1fd2ce5 | 492 | struct wpa_scan_results *scan_res, |
9cf32261 JM |
493 | struct wpa_ssid *group, |
494 | struct wpa_ssid **selected_ssid) | |
495 | { | |
496 | struct wpa_ssid *ssid; | |
497 | struct wpa_scan_res *bss; | |
498 | size_t i; | |
499 | struct wpa_blacklist *e; | |
500 | const u8 *ie; | |
501 | ||
6fc6879b | 502 | wpa_printf(MSG_DEBUG, "Try to find non-WPA AP"); |
a1fd2ce5 | 503 | for (i = 0; i < scan_res->num; i++) { |
6fc6879b JM |
504 | const u8 *ssid_; |
505 | u8 wpa_ie_len, rsn_ie_len, ssid_len; | |
a1fd2ce5 | 506 | bss = scan_res->res[i]; |
6fc6879b JM |
507 | |
508 | ie = wpa_scan_get_ie(bss, WLAN_EID_SSID); | |
509 | ssid_ = ie ? ie + 2 : (u8 *) ""; | |
510 | ssid_len = ie ? ie[1] : 0; | |
511 | ||
512 | ie = wpa_scan_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE); | |
513 | wpa_ie_len = ie ? ie[1] : 0; | |
514 | ||
515 | ie = wpa_scan_get_ie(bss, WLAN_EID_RSN); | |
516 | rsn_ie_len = ie ? ie[1] : 0; | |
517 | ||
518 | wpa_printf(MSG_DEBUG, "%d: " MACSTR " ssid='%s' " | |
519 | "wpa_ie_len=%u rsn_ie_len=%u caps=0x%x", | |
520 | (int) i, MAC2STR(bss->bssid), | |
521 | wpa_ssid_txt(ssid_, ssid_len), | |
522 | wpa_ie_len, rsn_ie_len, bss->caps); | |
9cf32261 | 523 | |
6fc6879b JM |
524 | e = wpa_blacklist_get(wpa_s, bss->bssid); |
525 | if (e && e->count > 1) { | |
526 | wpa_printf(MSG_DEBUG, " skip - blacklisted"); | |
527 | continue; | |
528 | } | |
9cf32261 | 529 | |
e81634cd JM |
530 | if (ssid_len == 0) { |
531 | wpa_printf(MSG_DEBUG, " skip - SSID not known"); | |
532 | continue; | |
533 | } | |
534 | ||
6fc6879b | 535 | for (ssid = group; ssid; ssid = ssid->pnext) { |
ad08c363 JM |
536 | int check_ssid = ssid->ssid_len != 0; |
537 | ||
6fc6879b JM |
538 | if (ssid->disabled) { |
539 | wpa_printf(MSG_DEBUG, " skip - disabled"); | |
540 | continue; | |
541 | } | |
9cf32261 | 542 | |
ad08c363 JM |
543 | #ifdef CONFIG_WPS |
544 | if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) { | |
545 | /* Only allow wildcard SSID match if an AP | |
546 | * advertises active WPS operation that matches | |
547 | * with our mode. */ | |
548 | check_ssid = 1; | |
549 | if (ssid->ssid_len == 0 && | |
a6099152 JM |
550 | wpas_wps_ssid_wildcard_ok(wpa_s, ssid, |
551 | bss)) | |
ad08c363 JM |
552 | check_ssid = 0; |
553 | } | |
554 | #endif /* CONFIG_WPS */ | |
555 | ||
556 | if (check_ssid && | |
6fc6879b JM |
557 | (ssid_len != ssid->ssid_len || |
558 | os_memcmp(ssid_, ssid->ssid, ssid_len) != 0)) { | |
559 | wpa_printf(MSG_DEBUG, " skip - " | |
560 | "SSID mismatch"); | |
561 | continue; | |
562 | } | |
563 | ||
564 | if (ssid->bssid_set && | |
565 | os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) != 0) | |
566 | { | |
567 | wpa_printf(MSG_DEBUG, " skip - " | |
568 | "BSSID mismatch"); | |
569 | continue; | |
570 | } | |
1bd3f426 | 571 | |
6fc6879b | 572 | if (!(ssid->key_mgmt & WPA_KEY_MGMT_NONE) && |
ad08c363 | 573 | !(ssid->key_mgmt & WPA_KEY_MGMT_WPS) && |
6fc6879b JM |
574 | !(ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) |
575 | { | |
576 | wpa_printf(MSG_DEBUG, " skip - " | |
577 | "non-WPA network not allowed"); | |
578 | continue; | |
579 | } | |
580 | ||
1bd3f426 | 581 | if ((ssid->key_mgmt & |
56586197 JM |
582 | (WPA_KEY_MGMT_IEEE8021X | WPA_KEY_MGMT_PSK | |
583 | WPA_KEY_MGMT_FT_IEEE8021X | WPA_KEY_MGMT_FT_PSK | | |
584 | WPA_KEY_MGMT_IEEE8021X_SHA256 | | |
585 | WPA_KEY_MGMT_PSK_SHA256)) && | |
6fc6879b JM |
586 | (wpa_ie_len != 0 || rsn_ie_len != 0)) { |
587 | wpa_printf(MSG_DEBUG, " skip - " | |
588 | "WPA network"); | |
589 | continue; | |
590 | } | |
591 | ||
592 | if (!wpa_supplicant_match_privacy(bss, ssid)) { | |
593 | wpa_printf(MSG_DEBUG, " skip - " | |
594 | "privacy mismatch"); | |
595 | continue; | |
596 | } | |
597 | ||
598 | if (bss->caps & IEEE80211_CAP_IBSS) { | |
599 | wpa_printf(MSG_DEBUG, " skip - " | |
600 | "IBSS (adhoc) network"); | |
601 | continue; | |
602 | } | |
603 | ||
6fc6879b JM |
604 | wpa_printf(MSG_DEBUG, " selected non-WPA AP " |
605 | MACSTR " ssid='%s'", | |
606 | MAC2STR(bss->bssid), | |
607 | wpa_ssid_txt(ssid_, ssid_len)); | |
9cf32261 | 608 | *selected_ssid = ssid; |
6fa81a3b | 609 | return wpa_bss_get(wpa_s, bss->bssid, ssid_, ssid_len); |
6fc6879b JM |
610 | } |
611 | } | |
612 | ||
9cf32261 JM |
613 | return NULL; |
614 | } | |
615 | ||
616 | ||
6fa81a3b | 617 | static struct wpa_bss * |
a1fd2ce5 JM |
618 | wpa_supplicant_select_bss(struct wpa_supplicant *wpa_s, |
619 | struct wpa_scan_results *scan_res, | |
620 | struct wpa_ssid *group, | |
9cf32261 JM |
621 | struct wpa_ssid **selected_ssid) |
622 | { | |
6fa81a3b | 623 | struct wpa_bss *selected; |
9cf32261 JM |
624 | |
625 | wpa_printf(MSG_DEBUG, "Selecting BSS from priority group %d", | |
626 | group->priority); | |
627 | ||
628 | /* First, try to find WPA-enabled AP */ | |
a1fd2ce5 JM |
629 | selected = wpa_supplicant_select_bss_wpa(wpa_s, scan_res, group, |
630 | selected_ssid); | |
9cf32261 JM |
631 | if (selected) |
632 | return selected; | |
633 | ||
634 | /* If no WPA-enabled AP found, try to find non-WPA AP, if configuration | |
635 | * allows this. */ | |
a1fd2ce5 JM |
636 | return wpa_supplicant_select_bss_non_wpa(wpa_s, scan_res, group, |
637 | selected_ssid); | |
6fc6879b JM |
638 | } |
639 | ||
640 | ||
6fa81a3b | 641 | static struct wpa_bss * |
09b9df4e | 642 | wpa_supplicant_pick_network(struct wpa_supplicant *wpa_s, |
a1fd2ce5 | 643 | struct wpa_scan_results *scan_res, |
09b9df4e | 644 | struct wpa_ssid **selected_ssid) |
6fc6879b | 645 | { |
6fa81a3b | 646 | struct wpa_bss *selected = NULL; |
09b9df4e JM |
647 | int prio; |
648 | ||
649 | while (selected == NULL) { | |
650 | for (prio = 0; prio < wpa_s->conf->num_prio; prio++) { | |
651 | selected = wpa_supplicant_select_bss( | |
a1fd2ce5 | 652 | wpa_s, scan_res, wpa_s->conf->pssid[prio], |
09b9df4e JM |
653 | selected_ssid); |
654 | if (selected) | |
655 | break; | |
656 | } | |
657 | ||
658 | if (selected == NULL && wpa_s->blacklist) { | |
659 | wpa_printf(MSG_DEBUG, "No APs found - clear blacklist " | |
660 | "and try again"); | |
661 | wpa_blacklist_clear(wpa_s); | |
662 | wpa_s->blacklist_cleared++; | |
663 | } else if (selected == NULL) | |
664 | break; | |
665 | } | |
666 | ||
667 | return selected; | |
668 | } | |
669 | ||
670 | ||
671 | static void wpa_supplicant_req_new_scan(struct wpa_supplicant *wpa_s, | |
672 | int timeout) | |
673 | { | |
674 | if (wpa_s->scan_res_tried == 1 && wpa_s->conf->ap_scan == 1) { | |
675 | /* | |
676 | * Quick recovery if the initial scan results were not | |
677 | * complete when fetched before the first scan request. | |
678 | */ | |
679 | wpa_s->scan_res_tried++; | |
680 | timeout = 0; | |
4f34d51a SL |
681 | } else if (!wpa_supplicant_enabled_networks(wpa_s->conf)) { |
682 | /* | |
683 | * No networks are enabled; short-circuit request so | |
684 | * we don't wait timeout seconds before transitioning | |
685 | * to INACTIVE state. | |
686 | */ | |
687 | wpa_supplicant_set_state(wpa_s, WPA_INACTIVE); | |
688 | return; | |
09b9df4e JM |
689 | } |
690 | wpa_supplicant_req_scan(wpa_s, timeout, 0); | |
691 | } | |
692 | ||
693 | ||
694 | static void wpa_supplicant_connect(struct wpa_supplicant *wpa_s, | |
6fa81a3b | 695 | struct wpa_bss *selected, |
09b9df4e JM |
696 | struct wpa_ssid *ssid) |
697 | { | |
698 | if (wpas_wps_scan_pbc_overlap(wpa_s, selected, ssid)) { | |
699 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OVERLAP | |
700 | "PBC session overlap"); | |
701 | wpa_supplicant_req_new_scan(wpa_s, 10); | |
702 | return; | |
703 | } | |
704 | ||
705 | /* | |
706 | * Do not trigger new association unless the BSSID has changed or if | |
707 | * reassociation is requested. If we are in process of associating with | |
708 | * the selected BSSID, do not trigger new attempt. | |
709 | */ | |
710 | if (wpa_s->reassociate || | |
711 | (os_memcmp(selected->bssid, wpa_s->bssid, ETH_ALEN) != 0 && | |
712 | (wpa_s->wpa_state != WPA_ASSOCIATING || | |
713 | os_memcmp(selected->bssid, wpa_s->pending_bssid, ETH_ALEN) != | |
714 | 0))) { | |
715 | if (wpa_supplicant_scard_init(wpa_s, ssid)) { | |
716 | wpa_supplicant_req_new_scan(wpa_s, 10); | |
717 | return; | |
718 | } | |
719 | wpa_supplicant_associate(wpa_s, selected, ssid); | |
720 | } else { | |
721 | wpa_printf(MSG_DEBUG, "Already associated with the selected " | |
722 | "AP"); | |
723 | } | |
09b9df4e JM |
724 | } |
725 | ||
726 | ||
b55aaa5f JM |
727 | static struct wpa_ssid * |
728 | wpa_supplicant_pick_new_network(struct wpa_supplicant *wpa_s) | |
729 | { | |
730 | int prio; | |
731 | struct wpa_ssid *ssid; | |
732 | ||
733 | for (prio = 0; prio < wpa_s->conf->num_prio; prio++) { | |
734 | for (ssid = wpa_s->conf->pssid[prio]; ssid; ssid = ssid->pnext) | |
735 | { | |
736 | if (ssid->disabled) | |
737 | continue; | |
738 | if (ssid->mode == IEEE80211_MODE_IBSS || | |
739 | ssid->mode == IEEE80211_MODE_AP) | |
740 | return ssid; | |
741 | } | |
742 | } | |
743 | return NULL; | |
744 | } | |
745 | ||
746 | ||
a1fd2ce5 JM |
747 | /* TODO: move the rsn_preauth_scan_result*() to be called from notify.c based |
748 | * on BSS added and BSS changed events */ | |
6ae93185 | 749 | static void wpa_supplicant_rsn_preauth_scan_results( |
a1fd2ce5 | 750 | struct wpa_supplicant *wpa_s, struct wpa_scan_results *scan_res) |
6ae93185 JM |
751 | { |
752 | int i; | |
753 | ||
754 | if (rsn_preauth_scan_results(wpa_s->wpa) < 0) | |
755 | return; | |
756 | ||
a1fd2ce5 | 757 | for (i = scan_res->num - 1; i >= 0; i--) { |
6ae93185 JM |
758 | const u8 *ssid, *rsn; |
759 | struct wpa_scan_res *r; | |
760 | ||
a1fd2ce5 | 761 | r = scan_res->res[i]; |
6ae93185 JM |
762 | |
763 | ssid = wpa_scan_get_ie(r, WLAN_EID_SSID); | |
764 | if (ssid == NULL) | |
765 | continue; | |
766 | ||
767 | rsn = wpa_scan_get_ie(r, WLAN_EID_RSN); | |
768 | if (rsn == NULL) | |
769 | continue; | |
770 | ||
771 | rsn_preauth_scan_result(wpa_s->wpa, r->bssid, ssid, rsn); | |
772 | } | |
773 | ||
774 | } | |
775 | ||
776 | ||
8d923a4a JM |
777 | static void wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s, |
778 | union wpa_event_data *data) | |
09b9df4e | 779 | { |
6fa81a3b | 780 | struct wpa_bss *selected; |
6fc6879b | 781 | struct wpa_ssid *ssid = NULL; |
a1fd2ce5 | 782 | struct wpa_scan_results *scan_res; |
6fc6879b | 783 | |
cb8564b1 DW |
784 | wpa_supplicant_notify_scanning(wpa_s, 0); |
785 | ||
a1fd2ce5 JM |
786 | scan_res = wpa_supplicant_get_scan_results(wpa_s, |
787 | data ? &data->scan_info : | |
788 | NULL, 1); | |
789 | if (scan_res == NULL) { | |
6fc6879b JM |
790 | if (wpa_s->conf->ap_scan == 2) |
791 | return; | |
792 | wpa_printf(MSG_DEBUG, "Failed to get scan results - try " | |
793 | "scanning again"); | |
09b9df4e JM |
794 | wpa_supplicant_req_new_scan(wpa_s, 1); |
795 | return; | |
6fc6879b JM |
796 | } |
797 | ||
23e07237 DN |
798 | /* |
799 | * Don't post the results if this was the initial cached | |
800 | * and there were no results. | |
801 | */ | |
802 | if (wpa_s->scan_res_tried == 1 && wpa_s->conf->ap_scan == 1 && | |
a1fd2ce5 | 803 | scan_res->num == 0) { |
23e07237 DN |
804 | wpa_msg(wpa_s, MSG_DEBUG, "Cached scan results are " |
805 | "empty - not posting"); | |
806 | } else { | |
69856fad JM |
807 | wpa_printf(MSG_DEBUG, "New scan results available"); |
808 | wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS); | |
8bac466b | 809 | wpas_notify_scan_results(wpa_s); |
23e07237 | 810 | } |
6fc6879b | 811 | |
8bac466b JM |
812 | wpas_notify_scan_done(wpa_s, 1); |
813 | ||
a1fd2ce5 JM |
814 | if ((wpa_s->conf->ap_scan == 2 && !wpas_wps_searching(wpa_s))) { |
815 | wpa_scan_results_free(scan_res); | |
6fc6879b | 816 | return; |
a1fd2ce5 | 817 | } |
6fc6879b | 818 | |
3180d7a2 SO |
819 | if (wpa_s->disconnected) { |
820 | wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); | |
a1fd2ce5 | 821 | wpa_scan_results_free(scan_res); |
3180d7a2 SO |
822 | return; |
823 | } | |
824 | ||
a1fd2ce5 JM |
825 | if (bgscan_notify_scan(wpa_s) == 1) { |
826 | wpa_scan_results_free(scan_res); | |
60b94c98 | 827 | return; |
a1fd2ce5 JM |
828 | } |
829 | ||
830 | wpa_supplicant_rsn_preauth_scan_results(wpa_s, scan_res); | |
60b94c98 | 831 | |
a1fd2ce5 JM |
832 | selected = wpa_supplicant_pick_network(wpa_s, scan_res, &ssid); |
833 | wpa_scan_results_free(scan_res); | |
6ae93185 | 834 | |
6fc6879b | 835 | if (selected) { |
09b9df4e | 836 | wpa_supplicant_connect(wpa_s, selected, ssid); |
6fc6879b | 837 | } else { |
09b9df4e | 838 | wpa_printf(MSG_DEBUG, "No suitable network found"); |
b55aaa5f JM |
839 | ssid = wpa_supplicant_pick_new_network(wpa_s); |
840 | if (ssid) { | |
841 | wpa_printf(MSG_DEBUG, "Setup a new network"); | |
842 | wpa_supplicant_associate(wpa_s, NULL, ssid); | |
843 | } else | |
844 | wpa_supplicant_req_new_scan(wpa_s, 5); | |
6fc6879b | 845 | } |
6fc6879b JM |
846 | } |
847 | #endif /* CONFIG_NO_SCAN_PROCESSING */ | |
848 | ||
849 | ||
c2a04078 JM |
850 | #ifdef CONFIG_IEEE80211R |
851 | static void wpa_assoc_set_ft_params(struct wpa_supplicant *wpa_s, | |
852 | const u8 *ftie, const u8 *mdie) | |
853 | { | |
854 | const u8 *mobility_domain = NULL; | |
855 | const u8 *r0kh_id = NULL; | |
856 | size_t r0kh_id_len = 0; | |
857 | const u8 *r1kh_id = NULL; | |
858 | struct rsn_ftie *hdr; | |
859 | const u8 *pos, *end; | |
860 | ||
861 | if (mdie == NULL || ftie == NULL) | |
862 | return; | |
863 | ||
864 | if (mdie[1] >= MOBILITY_DOMAIN_ID_LEN) { | |
865 | mobility_domain = mdie + 2; | |
866 | #ifdef CONFIG_SME | |
867 | wpa_s->sme.ft_used = 1; | |
868 | os_memcpy(wpa_s->sme.mobility_domain, mobility_domain, 2); | |
869 | #endif /* CONFIG_SME */ | |
870 | } | |
871 | if (ftie[1] >= sizeof(struct rsn_ftie)) { | |
872 | end = ftie + 2 + ftie[1]; | |
873 | hdr = (struct rsn_ftie *) (ftie + 2); | |
874 | pos = (const u8 *) (hdr + 1); | |
875 | while (pos + 1 < end) { | |
876 | if (pos + 2 + pos[1] > end) | |
877 | break; | |
878 | if (pos[0] == FTIE_SUBELEM_R1KH_ID && | |
879 | pos[1] == FT_R1KH_ID_LEN) | |
880 | r1kh_id = pos + 2; | |
881 | else if (pos[0] == FTIE_SUBELEM_R0KH_ID && | |
882 | pos[1] >= 1 && pos[1] <= FT_R0KH_ID_MAX_LEN) { | |
883 | r0kh_id = pos + 2; | |
884 | r0kh_id_len = pos[1]; | |
885 | } | |
886 | pos += 2 + pos[1]; | |
887 | } | |
888 | } | |
889 | wpa_sm_set_ft_params(wpa_s->wpa, mobility_domain, r0kh_id, | |
890 | r0kh_id_len, r1kh_id); | |
891 | } | |
892 | #endif /* CONFIG_IEEE80211R */ | |
893 | ||
6fc6879b JM |
894 | static void wpa_supplicant_event_associnfo(struct wpa_supplicant *wpa_s, |
895 | union wpa_event_data *data) | |
896 | { | |
897 | int l, len, found = 0, wpa_found, rsn_found; | |
c2a04078 JM |
898 | const u8 *p; |
899 | #ifdef CONFIG_IEEE80211R | |
900 | const u8 *mdie = NULL, *ftie = NULL; | |
901 | #endif /* CONFIG_IEEE80211R */ | |
6fc6879b JM |
902 | |
903 | wpa_printf(MSG_DEBUG, "Association info event"); | |
904 | if (data->assoc_info.req_ies) | |
905 | wpa_hexdump(MSG_DEBUG, "req_ies", data->assoc_info.req_ies, | |
906 | data->assoc_info.req_ies_len); | |
907 | if (data->assoc_info.resp_ies) | |
908 | wpa_hexdump(MSG_DEBUG, "resp_ies", data->assoc_info.resp_ies, | |
909 | data->assoc_info.resp_ies_len); | |
910 | if (data->assoc_info.beacon_ies) | |
911 | wpa_hexdump(MSG_DEBUG, "beacon_ies", | |
912 | data->assoc_info.beacon_ies, | |
913 | data->assoc_info.beacon_ies_len); | |
4832ecd7 JM |
914 | if (data->assoc_info.freq) |
915 | wpa_printf(MSG_DEBUG, "freq=%u MHz", data->assoc_info.freq); | |
6fc6879b JM |
916 | |
917 | p = data->assoc_info.req_ies; | |
918 | l = data->assoc_info.req_ies_len; | |
919 | ||
920 | /* Go through the IEs and make a copy of the WPA/RSN IE, if present. */ | |
921 | while (p && l >= 2) { | |
922 | len = p[1] + 2; | |
923 | if (len > l) { | |
924 | wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info", | |
925 | p, l); | |
926 | break; | |
927 | } | |
928 | if ((p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 && | |
929 | (os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0)) || | |
930 | (p[0] == WLAN_EID_RSN && p[1] >= 2)) { | |
931 | if (wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, p, len)) | |
932 | break; | |
933 | found = 1; | |
934 | wpa_find_assoc_pmkid(wpa_s); | |
935 | break; | |
936 | } | |
937 | l -= len; | |
938 | p += len; | |
939 | } | |
940 | if (!found && data->assoc_info.req_ies) | |
941 | wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0); | |
942 | ||
c2a04078 JM |
943 | #ifdef CONFIG_IEEE80211R |
944 | p = data->assoc_info.resp_ies; | |
945 | l = data->assoc_info.resp_ies_len; | |
946 | ||
94873e3b | 947 | /* Go through the IEs and make a copy of the FT/MD IE, if present. */ |
c2a04078 JM |
948 | while (p && l >= 2) { |
949 | len = p[1] + 2; | |
950 | if (len > l) { | |
951 | wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info", | |
952 | p, l); | |
953 | break; | |
954 | } | |
955 | if (p[0] == WLAN_EID_FAST_BSS_TRANSITION) | |
956 | ftie = p; | |
957 | else if (p[0] == WLAN_EID_MOBILITY_DOMAIN) | |
958 | mdie = p; | |
959 | l -= len; | |
960 | p += len; | |
961 | } | |
962 | ||
963 | wpa_assoc_set_ft_params(wpa_s, ftie, mdie); | |
964 | #endif /* CONFIG_IEEE80211R */ | |
965 | ||
6fc6879b JM |
966 | /* WPA/RSN IE from Beacon/ProbeResp */ |
967 | p = data->assoc_info.beacon_ies; | |
968 | l = data->assoc_info.beacon_ies_len; | |
969 | ||
970 | /* Go through the IEs and make a copy of the WPA/RSN IEs, if present. | |
971 | */ | |
972 | wpa_found = rsn_found = 0; | |
973 | while (p && l >= 2) { | |
974 | len = p[1] + 2; | |
975 | if (len > l) { | |
976 | wpa_hexdump(MSG_DEBUG, "Truncated IE in beacon_ies", | |
977 | p, l); | |
978 | break; | |
979 | } | |
980 | if (!wpa_found && | |
981 | p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 && | |
982 | os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0) { | |
983 | wpa_found = 1; | |
984 | wpa_sm_set_ap_wpa_ie(wpa_s->wpa, p, len); | |
985 | } | |
986 | ||
987 | if (!rsn_found && | |
988 | p[0] == WLAN_EID_RSN && p[1] >= 2) { | |
989 | rsn_found = 1; | |
990 | wpa_sm_set_ap_rsn_ie(wpa_s->wpa, p, len); | |
991 | } | |
992 | ||
993 | l -= len; | |
994 | p += len; | |
995 | } | |
996 | ||
997 | if (!wpa_found && data->assoc_info.beacon_ies) | |
998 | wpa_sm_set_ap_wpa_ie(wpa_s->wpa, NULL, 0); | |
999 | if (!rsn_found && data->assoc_info.beacon_ies) | |
1000 | wpa_sm_set_ap_rsn_ie(wpa_s->wpa, NULL, 0); | |
1001 | if (wpa_found || rsn_found) | |
1002 | wpa_s->ap_ies_from_associnfo = 1; | |
4832ecd7 JM |
1003 | |
1004 | wpa_s->assoc_freq = data->assoc_info.freq; | |
6fc6879b JM |
1005 | } |
1006 | ||
1007 | ||
1008 | static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s, | |
1009 | union wpa_event_data *data) | |
1010 | { | |
1011 | u8 bssid[ETH_ALEN]; | |
1012 | int ft_completed = wpa_ft_is_completed(wpa_s->wpa); | |
8bac466b | 1013 | int bssid_changed; |
0194fedb | 1014 | struct wpa_driver_capa capa; |
6fc6879b JM |
1015 | |
1016 | if (data) | |
1017 | wpa_supplicant_event_associnfo(wpa_s, data); | |
1018 | ||
1019 | wpa_supplicant_set_state(wpa_s, WPA_ASSOCIATED); | |
c2a04078 | 1020 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME) |
6fc6879b | 1021 | os_memcpy(bssid, wpa_s->bssid, ETH_ALEN); |
c2a04078 | 1022 | if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME) || |
6fc6879b JM |
1023 | (wpa_drv_get_bssid(wpa_s, bssid) >= 0 && |
1024 | os_memcmp(bssid, wpa_s->bssid, ETH_ALEN) != 0)) { | |
1025 | wpa_msg(wpa_s, MSG_DEBUG, "Associated to a new BSS: BSSID=" | |
1026 | MACSTR, MAC2STR(bssid)); | |
8bac466b | 1027 | bssid_changed = os_memcmp(wpa_s->bssid, bssid, ETH_ALEN); |
6fc6879b JM |
1028 | os_memcpy(wpa_s->bssid, bssid, ETH_ALEN); |
1029 | os_memset(wpa_s->pending_bssid, 0, ETH_ALEN); | |
8bac466b JM |
1030 | if (bssid_changed) |
1031 | wpas_notify_bssid_changed(wpa_s); | |
1032 | ||
6fc6879b JM |
1033 | if (wpa_supplicant_dynamic_keys(wpa_s) && !ft_completed) { |
1034 | wpa_clear_keys(wpa_s, bssid); | |
1035 | } | |
1036 | if (wpa_supplicant_select_config(wpa_s) < 0) { | |
1037 | wpa_supplicant_disassociate( | |
1038 | wpa_s, WLAN_REASON_DEAUTH_LEAVING); | |
1039 | return; | |
1040 | } | |
8f770587 JM |
1041 | if (wpa_s->current_ssid) { |
1042 | struct wpa_bss *bss = NULL; | |
1043 | struct wpa_ssid *ssid = wpa_s->current_ssid; | |
1044 | if (ssid->ssid_len > 0) | |
1045 | bss = wpa_bss_get(wpa_s, bssid, | |
1046 | ssid->ssid, ssid->ssid_len); | |
1047 | if (!bss) | |
1048 | bss = wpa_bss_get_bssid(wpa_s, bssid); | |
1049 | if (bss) | |
1050 | wpa_s->current_bss = bss; | |
1051 | } | |
6fc6879b JM |
1052 | } |
1053 | ||
62fa124c JM |
1054 | #ifdef CONFIG_SME |
1055 | os_memcpy(wpa_s->sme.prev_bssid, bssid, ETH_ALEN); | |
1056 | wpa_s->sme.prev_bssid_set = 1; | |
1057 | #endif /* CONFIG_SME */ | |
1058 | ||
6fc6879b JM |
1059 | wpa_msg(wpa_s, MSG_INFO, "Associated with " MACSTR, MAC2STR(bssid)); |
1060 | if (wpa_s->current_ssid) { | |
1061 | /* When using scanning (ap_scan=1), SIM PC/SC interface can be | |
1062 | * initialized before association, but for other modes, | |
1063 | * initialize PC/SC here, if the current configuration needs | |
1064 | * smartcard or SIM/USIM. */ | |
1065 | wpa_supplicant_scard_init(wpa_s, wpa_s->current_ssid); | |
1066 | } | |
1067 | wpa_sm_notify_assoc(wpa_s->wpa, bssid); | |
1068 | l2_packet_notify_auth_start(wpa_s->l2); | |
1069 | ||
1070 | /* | |
1071 | * Set portEnabled first to FALSE in order to get EAP state machine out | |
1072 | * of the SUCCESS state and eapSuccess cleared. Without this, EAPOL PAE | |
1073 | * state machine may transit to AUTHENTICATING state based on obsolete | |
1074 | * eapSuccess and then trigger BE_AUTH to SUCCESS and PAE to | |
1075 | * AUTHENTICATED without ever giving chance to EAP state machine to | |
1076 | * reset the state. | |
1077 | */ | |
1078 | if (!ft_completed) { | |
1079 | eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE); | |
1080 | eapol_sm_notify_portValid(wpa_s->eapol, FALSE); | |
1081 | } | |
56586197 | 1082 | if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) || ft_completed) |
6fc6879b JM |
1083 | eapol_sm_notify_eap_success(wpa_s->eapol, FALSE); |
1084 | /* 802.1X::portControl = Auto */ | |
1085 | eapol_sm_notify_portEnabled(wpa_s->eapol, TRUE); | |
1086 | wpa_s->eapol_received = 0; | |
1087 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE || | |
9c972abb JM |
1088 | wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE || |
1089 | (wpa_s->current_ssid && | |
1090 | wpa_s->current_ssid->mode == IEEE80211_MODE_IBSS)) { | |
6fc6879b JM |
1091 | wpa_supplicant_cancel_auth_timeout(wpa_s); |
1092 | wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); | |
1093 | } else if (!ft_completed) { | |
1094 | /* Timeout for receiving the first EAPOL packet */ | |
1095 | wpa_supplicant_req_auth_timeout(wpa_s, 10, 0); | |
1096 | } | |
1097 | wpa_supplicant_cancel_scan(wpa_s); | |
1098 | ||
c2a04078 | 1099 | if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) && |
56586197 | 1100 | wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) { |
6fc6879b JM |
1101 | /* |
1102 | * We are done; the driver will take care of RSN 4-way | |
1103 | * handshake. | |
1104 | */ | |
1105 | wpa_supplicant_cancel_auth_timeout(wpa_s); | |
1106 | wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); | |
1107 | eapol_sm_notify_portValid(wpa_s->eapol, TRUE); | |
1108 | eapol_sm_notify_eap_success(wpa_s->eapol, TRUE); | |
1109 | } | |
1ff73338 JM |
1110 | |
1111 | if (wpa_s->pending_eapol_rx) { | |
1112 | struct os_time now, age; | |
1113 | os_get_time(&now); | |
1114 | os_time_sub(&now, &wpa_s->pending_eapol_rx_time, &age); | |
1115 | if (age.sec == 0 && age.usec < 100000 && | |
1116 | os_memcmp(wpa_s->pending_eapol_rx_src, bssid, ETH_ALEN) == | |
1117 | 0) { | |
1118 | wpa_printf(MSG_DEBUG, "Process pending EAPOL frame " | |
1119 | "that was received just before association " | |
1120 | "notification"); | |
1121 | wpa_supplicant_rx_eapol( | |
1122 | wpa_s, wpa_s->pending_eapol_rx_src, | |
1123 | wpabuf_head(wpa_s->pending_eapol_rx), | |
1124 | wpabuf_len(wpa_s->pending_eapol_rx)); | |
1125 | } | |
1126 | wpabuf_free(wpa_s->pending_eapol_rx); | |
1127 | wpa_s->pending_eapol_rx = NULL; | |
1128 | } | |
60b94c98 JM |
1129 | |
1130 | #ifdef CONFIG_BGSCAN | |
1131 | if (wpa_s->current_ssid != wpa_s->bgscan_ssid) { | |
1132 | bgscan_deinit(wpa_s); | |
1133 | if (wpa_s->current_ssid && wpa_s->current_ssid->bgscan) { | |
1134 | if (bgscan_init(wpa_s, wpa_s->current_ssid)) { | |
1135 | wpa_printf(MSG_DEBUG, "Failed to initialize " | |
1136 | "bgscan"); | |
1137 | /* | |
1138 | * Live without bgscan; it is only used as a | |
1139 | * roaming optimization, so the initial | |
1140 | * connection is not affected. | |
1141 | */ | |
1142 | } else | |
1143 | wpa_s->bgscan_ssid = wpa_s->current_ssid; | |
1144 | } else | |
1145 | wpa_s->bgscan_ssid = NULL; | |
1146 | } | |
1147 | #endif /* CONFIG_BGSCAN */ | |
0194fedb JB |
1148 | |
1149 | if ((wpa_s->key_mgmt == WPA_KEY_MGMT_NONE || | |
1150 | wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) && | |
1151 | wpa_s->current_ssid && wpa_drv_get_capa(wpa_s, &capa) == 0 && | |
1152 | capa.flags & WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE) { | |
1153 | /* Set static WEP keys again */ | |
1154 | wpa_set_wep_keys(wpa_s, wpa_s->current_ssid); | |
1155 | } | |
6fc6879b JM |
1156 | } |
1157 | ||
1158 | ||
1159 | static void wpa_supplicant_event_disassoc(struct wpa_supplicant *wpa_s) | |
1160 | { | |
1161 | const u8 *bssid; | |
6d6f4bb8 JM |
1162 | #ifdef CONFIG_SME |
1163 | int authenticating; | |
1164 | u8 prev_pending_bssid[ETH_ALEN]; | |
1165 | ||
1166 | authenticating = wpa_s->wpa_state == WPA_AUTHENTICATING; | |
1167 | os_memcpy(prev_pending_bssid, wpa_s->pending_bssid, ETH_ALEN); | |
1168 | #endif /* CONFIG_SME */ | |
6fc6879b JM |
1169 | |
1170 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) { | |
1171 | /* | |
1172 | * At least Host AP driver and a Prism3 card seemed to be | |
1173 | * generating streams of disconnected events when configuring | |
1174 | * IBSS for WPA-None. Ignore them for now. | |
1175 | */ | |
1176 | wpa_printf(MSG_DEBUG, "Disconnect event - ignore in " | |
1177 | "IBSS/WPA-None mode"); | |
1178 | return; | |
1179 | } | |
1180 | ||
1181 | if (wpa_s->wpa_state == WPA_4WAY_HANDSHAKE && | |
56586197 | 1182 | wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) { |
6fc6879b JM |
1183 | wpa_msg(wpa_s, MSG_INFO, "WPA: 4-Way Handshake failed - " |
1184 | "pre-shared key may be incorrect"); | |
1185 | } | |
1186 | if (wpa_s->wpa_state >= WPA_ASSOCIATED) | |
1187 | wpa_supplicant_req_scan(wpa_s, 0, 100000); | |
1188 | bssid = wpa_s->bssid; | |
a8e16edc | 1189 | if (is_zero_ether_addr(bssid)) |
6fc6879b JM |
1190 | bssid = wpa_s->pending_bssid; |
1191 | wpa_blacklist_add(wpa_s, bssid); | |
1192 | wpa_sm_notify_disassoc(wpa_s->wpa); | |
1193 | wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "- Disconnect event - " | |
1194 | "remove keys"); | |
1195 | if (wpa_supplicant_dynamic_keys(wpa_s)) { | |
1196 | wpa_s->keys_cleared = 0; | |
1197 | wpa_clear_keys(wpa_s, wpa_s->bssid); | |
1198 | } | |
1199 | wpa_supplicant_mark_disassoc(wpa_s); | |
60b94c98 | 1200 | bgscan_deinit(wpa_s); |
6d6f4bb8 JM |
1201 | #ifdef CONFIG_SME |
1202 | if (authenticating && | |
1203 | (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)) { | |
1204 | /* | |
1205 | * mac80211-workaround to force deauth on failed auth cmd, | |
1206 | * requires us to remain in authenticating state to allow the | |
1207 | * second authentication attempt to be continued properly. | |
1208 | */ | |
1209 | wpa_printf(MSG_DEBUG, "SME: Allow pending authentication to " | |
1210 | "proceed after disconnection event"); | |
1211 | wpa_supplicant_set_state(wpa_s, WPA_AUTHENTICATING); | |
1212 | os_memcpy(wpa_s->pending_bssid, prev_pending_bssid, ETH_ALEN); | |
1213 | } | |
1214 | #endif /* CONFIG_SME */ | |
6fc6879b JM |
1215 | } |
1216 | ||
1217 | ||
46690a3b JM |
1218 | #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT |
1219 | static void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx, | |
1220 | void *sock_ctx) | |
1221 | { | |
1222 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
1223 | ||
1224 | if (!wpa_s->pending_mic_error_report) | |
1225 | return; | |
1226 | ||
1227 | wpa_printf(MSG_DEBUG, "WPA: Sending pending MIC error report"); | |
1228 | wpa_sm_key_request(wpa_s->wpa, 1, wpa_s->pending_mic_error_pairwise); | |
1229 | wpa_s->pending_mic_error_report = 0; | |
1230 | } | |
1231 | #endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */ | |
1232 | ||
1233 | ||
6fc6879b JM |
1234 | static void |
1235 | wpa_supplicant_event_michael_mic_failure(struct wpa_supplicant *wpa_s, | |
1236 | union wpa_event_data *data) | |
1237 | { | |
1238 | int pairwise; | |
1239 | struct os_time t; | |
1240 | ||
1241 | wpa_msg(wpa_s, MSG_WARNING, "Michael MIC failure detected"); | |
1242 | pairwise = (data && data->michael_mic_failure.unicast); | |
6fc6879b | 1243 | os_get_time(&t); |
46690a3b JM |
1244 | if ((wpa_s->last_michael_mic_error && |
1245 | t.sec - wpa_s->last_michael_mic_error <= 60) || | |
1246 | wpa_s->pending_mic_error_report) { | |
1247 | if (wpa_s->pending_mic_error_report) { | |
1248 | /* | |
1249 | * Send the pending MIC error report immediately since | |
1250 | * we are going to start countermeasures and AP better | |
1251 | * do the same. | |
1252 | */ | |
1253 | wpa_sm_key_request(wpa_s->wpa, 1, | |
1254 | wpa_s->pending_mic_error_pairwise); | |
1255 | } | |
1256 | ||
1257 | /* Send the new MIC error report immediately since we are going | |
1258 | * to start countermeasures and AP better do the same. | |
1259 | */ | |
1260 | wpa_sm_key_request(wpa_s->wpa, 1, pairwise); | |
1261 | ||
6fc6879b JM |
1262 | /* initialize countermeasures */ |
1263 | wpa_s->countermeasures = 1; | |
1264 | wpa_msg(wpa_s, MSG_WARNING, "TKIP countermeasures started"); | |
1265 | ||
1266 | /* | |
1267 | * Need to wait for completion of request frame. We do not get | |
1268 | * any callback for the message completion, so just wait a | |
1269 | * short while and hope for the best. */ | |
1270 | os_sleep(0, 10000); | |
1271 | ||
1272 | wpa_drv_set_countermeasures(wpa_s, 1); | |
1273 | wpa_supplicant_deauthenticate(wpa_s, | |
1274 | WLAN_REASON_MICHAEL_MIC_FAILURE); | |
1275 | eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, | |
1276 | wpa_s, NULL); | |
1277 | eloop_register_timeout(60, 0, | |
1278 | wpa_supplicant_stop_countermeasures, | |
1279 | wpa_s, NULL); | |
1280 | /* TODO: mark the AP rejected for 60 second. STA is | |
1281 | * allowed to associate with another AP.. */ | |
46690a3b JM |
1282 | } else { |
1283 | #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT | |
1284 | if (wpa_s->mic_errors_seen) { | |
1285 | /* | |
1286 | * Reduce the effectiveness of Michael MIC error | |
1287 | * reports as a means for attacking against TKIP if | |
1288 | * more than one MIC failure is noticed with the same | |
1289 | * PTK. We delay the transmission of the reports by a | |
1290 | * random time between 0 and 60 seconds in order to | |
1291 | * force the attacker wait 60 seconds before getting | |
1292 | * the information on whether a frame resulted in a MIC | |
1293 | * failure. | |
1294 | */ | |
1295 | u8 rval[4]; | |
1296 | int sec; | |
1297 | ||
1298 | if (os_get_random(rval, sizeof(rval)) < 0) | |
1299 | sec = os_random() % 60; | |
1300 | else | |
1301 | sec = WPA_GET_BE32(rval) % 60; | |
1302 | wpa_printf(MSG_DEBUG, "WPA: Delay MIC error report %d " | |
1303 | "seconds", sec); | |
1304 | wpa_s->pending_mic_error_report = 1; | |
1305 | wpa_s->pending_mic_error_pairwise = pairwise; | |
1306 | eloop_cancel_timeout( | |
1307 | wpa_supplicant_delayed_mic_error_report, | |
1308 | wpa_s, NULL); | |
1309 | eloop_register_timeout( | |
1310 | sec, os_random() % 1000000, | |
1311 | wpa_supplicant_delayed_mic_error_report, | |
1312 | wpa_s, NULL); | |
1313 | } else { | |
1314 | wpa_sm_key_request(wpa_s->wpa, 1, pairwise); | |
1315 | } | |
1316 | #else /* CONFIG_DELAYED_MIC_ERROR_REPORT */ | |
1317 | wpa_sm_key_request(wpa_s->wpa, 1, pairwise); | |
1318 | #endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */ | |
6fc6879b JM |
1319 | } |
1320 | wpa_s->last_michael_mic_error = t.sec; | |
46690a3b | 1321 | wpa_s->mic_errors_seen++; |
6fc6879b JM |
1322 | } |
1323 | ||
1324 | ||
a83d9c96 SL |
1325 | #ifdef CONFIG_TERMINATE_ONLASTIF |
1326 | static int any_interfaces(struct wpa_supplicant *head) | |
1327 | { | |
1328 | struct wpa_supplicant *wpa_s; | |
1329 | ||
1330 | for (wpa_s = head; wpa_s != NULL; wpa_s = wpa_s->next) | |
1331 | if (!wpa_s->interface_removed) | |
1332 | return 1; | |
1333 | return 0; | |
1334 | } | |
1335 | #endif /* CONFIG_TERMINATE_ONLASTIF */ | |
1336 | ||
1337 | ||
6fc6879b JM |
1338 | static void |
1339 | wpa_supplicant_event_interface_status(struct wpa_supplicant *wpa_s, | |
1340 | union wpa_event_data *data) | |
1341 | { | |
1342 | if (os_strcmp(wpa_s->ifname, data->interface_status.ifname) != 0) | |
1343 | return; | |
1344 | ||
1345 | switch (data->interface_status.ievent) { | |
1346 | case EVENT_INTERFACE_ADDED: | |
1347 | if (!wpa_s->interface_removed) | |
1348 | break; | |
1349 | wpa_s->interface_removed = 0; | |
1350 | wpa_printf(MSG_DEBUG, "Configured interface was added."); | |
1351 | if (wpa_supplicant_driver_init(wpa_s) < 0) { | |
1352 | wpa_printf(MSG_INFO, "Failed to initialize the driver " | |
1353 | "after interface was added."); | |
1354 | } | |
1355 | break; | |
1356 | case EVENT_INTERFACE_REMOVED: | |
1357 | wpa_printf(MSG_DEBUG, "Configured interface was removed."); | |
1358 | wpa_s->interface_removed = 1; | |
1359 | wpa_supplicant_mark_disassoc(wpa_s); | |
1360 | l2_packet_deinit(wpa_s->l2); | |
1361 | wpa_s->l2 = NULL; | |
a83d9c96 SL |
1362 | #ifdef CONFIG_TERMINATE_ONLASTIF |
1363 | /* check if last interface */ | |
1364 | if (!any_interfaces(wpa_s->global->ifaces)) | |
1365 | eloop_terminate(); | |
1366 | #endif /* CONFIG_TERMINATE_ONLASTIF */ | |
6fc6879b JM |
1367 | break; |
1368 | } | |
1369 | } | |
1370 | ||
1371 | ||
1372 | #ifdef CONFIG_PEERKEY | |
1373 | static void | |
1374 | wpa_supplicant_event_stkstart(struct wpa_supplicant *wpa_s, | |
1375 | union wpa_event_data *data) | |
1376 | { | |
1377 | if (data == NULL) | |
1378 | return; | |
1379 | wpa_sm_stkstart(wpa_s->wpa, data->stkstart.peer); | |
1380 | } | |
1381 | #endif /* CONFIG_PEERKEY */ | |
1382 | ||
1383 | ||
1384 | #ifdef CONFIG_IEEE80211R | |
1385 | static void | |
1386 | wpa_supplicant_event_ft_response(struct wpa_supplicant *wpa_s, | |
1387 | union wpa_event_data *data) | |
1388 | { | |
1389 | if (data == NULL) | |
1390 | return; | |
1391 | ||
1392 | if (wpa_ft_process_response(wpa_s->wpa, data->ft_ies.ies, | |
1393 | data->ft_ies.ies_len, | |
1394 | data->ft_ies.ft_action, | |
babfbf15 JM |
1395 | data->ft_ies.target_ap, |
1396 | data->ft_ies.ric_ies, | |
1397 | data->ft_ies.ric_ies_len) < 0) { | |
6fc6879b JM |
1398 | /* TODO: prevent MLME/driver from trying to associate? */ |
1399 | } | |
1400 | } | |
1401 | #endif /* CONFIG_IEEE80211R */ | |
1402 | ||
1403 | ||
11ef8d35 JM |
1404 | #ifdef CONFIG_IBSS_RSN |
1405 | static void wpa_supplicant_event_ibss_rsn_start(struct wpa_supplicant *wpa_s, | |
1406 | union wpa_event_data *data) | |
1407 | { | |
1408 | if (data == NULL) | |
1409 | return; | |
1410 | ibss_rsn_start(wpa_s->ibss_rsn, data->ibss_rsn_start.peer); | |
1411 | } | |
1412 | #endif /* CONFIG_IBSS_RSN */ | |
1413 | ||
1414 | ||
9646a8ab | 1415 | void wpa_supplicant_event(void *ctx, enum wpa_event_type event, |
6fc6879b JM |
1416 | union wpa_event_data *data) |
1417 | { | |
1418 | struct wpa_supplicant *wpa_s = ctx; | |
1419 | ||
1420 | switch (event) { | |
c2a04078 JM |
1421 | case EVENT_AUTH: |
1422 | sme_event_auth(wpa_s, data); | |
1423 | break; | |
6fc6879b JM |
1424 | case EVENT_ASSOC: |
1425 | wpa_supplicant_event_assoc(wpa_s, data); | |
1426 | break; | |
1427 | case EVENT_DISASSOC: | |
0e379654 JM |
1428 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) |
1429 | sme_event_disassoc(wpa_s, data); | |
a84ed99e JM |
1430 | /* fall through */ |
1431 | case EVENT_DEAUTH: | |
6fc6879b JM |
1432 | wpa_supplicant_event_disassoc(wpa_s); |
1433 | break; | |
1434 | case EVENT_MICHAEL_MIC_FAILURE: | |
1435 | wpa_supplicant_event_michael_mic_failure(wpa_s, data); | |
1436 | break; | |
1437 | #ifndef CONFIG_NO_SCAN_PROCESSING | |
1438 | case EVENT_SCAN_RESULTS: | |
8d923a4a | 1439 | wpa_supplicant_event_scan_results(wpa_s, data); |
6fc6879b JM |
1440 | break; |
1441 | #endif /* CONFIG_NO_SCAN_PROCESSING */ | |
1442 | case EVENT_ASSOCINFO: | |
1443 | wpa_supplicant_event_associnfo(wpa_s, data); | |
1444 | break; | |
1445 | case EVENT_INTERFACE_STATUS: | |
1446 | wpa_supplicant_event_interface_status(wpa_s, data); | |
1447 | break; | |
1448 | case EVENT_PMKID_CANDIDATE: | |
1449 | wpa_supplicant_event_pmkid_candidate(wpa_s, data); | |
1450 | break; | |
1451 | #ifdef CONFIG_PEERKEY | |
1452 | case EVENT_STKSTART: | |
1453 | wpa_supplicant_event_stkstart(wpa_s, data); | |
1454 | break; | |
1455 | #endif /* CONFIG_PEERKEY */ | |
1456 | #ifdef CONFIG_IEEE80211R | |
1457 | case EVENT_FT_RESPONSE: | |
1458 | wpa_supplicant_event_ft_response(wpa_s, data); | |
1459 | break; | |
1460 | #endif /* CONFIG_IEEE80211R */ | |
11ef8d35 JM |
1461 | #ifdef CONFIG_IBSS_RSN |
1462 | case EVENT_IBSS_RSN_START: | |
1463 | wpa_supplicant_event_ibss_rsn_start(wpa_s, data); | |
1464 | break; | |
1465 | #endif /* CONFIG_IBSS_RSN */ | |
efa46078 JM |
1466 | case EVENT_ASSOC_REJECT: |
1467 | sme_event_assoc_reject(wpa_s, data); | |
1468 | break; | |
da1fb17c JM |
1469 | case EVENT_AUTH_TIMED_OUT: |
1470 | sme_event_auth_timed_out(wpa_s, data); | |
1471 | break; | |
1472 | case EVENT_ASSOC_TIMED_OUT: | |
1473 | sme_event_assoc_timed_out(wpa_s, data); | |
1474 | break; | |
f8b1f695 JM |
1475 | #ifdef CONFIG_AP |
1476 | case EVENT_TX_STATUS: | |
1477 | if (wpa_s->ap_iface == NULL) | |
1478 | break; | |
1479 | switch (data->tx_status.type) { | |
1480 | case WLAN_FC_TYPE_MGMT: | |
1481 | ap_mgmt_tx_cb(wpa_s, data->tx_status.data, | |
1482 | data->tx_status.data_len, | |
1483 | data->tx_status.stype, | |
1484 | data->tx_status.ack); | |
1485 | break; | |
1486 | case WLAN_FC_TYPE_DATA: | |
1487 | ap_tx_status(wpa_s, data->tx_status.dst, | |
1488 | data->tx_status.data, | |
1489 | data->tx_status.data_len, | |
1490 | data->tx_status.ack); | |
1491 | break; | |
1492 | } | |
1493 | break; | |
1494 | case EVENT_RX_FROM_UNKNOWN: | |
1495 | if (wpa_s->ap_iface == NULL) | |
1496 | break; | |
fdbe50ed | 1497 | ap_rx_from_unknown_sta(wpa_s, data->rx_from_unknown.frame, |
f8b1f695 JM |
1498 | data->rx_from_unknown.len); |
1499 | break; | |
1500 | case EVENT_RX_MGMT: | |
1501 | if (wpa_s->ap_iface == NULL) | |
1502 | break; | |
2a8b7416 | 1503 | ap_mgmt_rx(wpa_s, &data->rx_mgmt); |
f8b1f695 JM |
1504 | break; |
1505 | #endif /* CONFIG_AP */ | |
245519e0 JM |
1506 | #ifdef CONFIG_CLIENT_MLME |
1507 | case EVENT_MLME_RX: { | |
1508 | struct ieee80211_rx_status rx_status; | |
1509 | os_memset(&rx_status, 0, sizeof(rx_status)); | |
1510 | rx_status.freq = data->mlme_rx.freq; | |
1511 | rx_status.channel = data->mlme_rx.channel; | |
1512 | rx_status.ssi = data->mlme_rx.ssi; | |
1513 | ieee80211_sta_rx(wpa_s, data->mlme_rx.buf, data->mlme_rx.len, | |
1514 | &rx_status); | |
1515 | break; | |
1516 | } | |
1517 | #endif /* CONFIG_CLIENT_MLME */ | |
a8e0505b JM |
1518 | case EVENT_EAPOL_RX: |
1519 | wpa_supplicant_rx_eapol(wpa_s, data->eapol_rx.src, | |
1520 | data->eapol_rx.data, | |
1521 | data->eapol_rx.data_len); | |
1522 | break; | |
6fc6879b JM |
1523 | default: |
1524 | wpa_printf(MSG_INFO, "Unknown event %d", event); | |
1525 | break; | |
1526 | } | |
1527 | } |