]>
Commit | Line | Data |
---|---|---|
6fc6879b JM |
1 | /* |
2 | * WPA Supplicant - Driver event processing | |
3d9975d5 | 3 | * Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi> |
6fc6879b | 4 | * |
0f3d578e JM |
5 | * This software may be distributed under the terms of the BSD license. |
6 | * See README for more details. | |
6fc6879b JM |
7 | */ |
8 | ||
9 | #include "includes.h" | |
10 | ||
11 | #include "common.h" | |
12 | #include "eapol_supp/eapol_supp_sm.h" | |
3acb5005 | 13 | #include "rsn_supp/wpa.h" |
6fc6879b | 14 | #include "eloop.h" |
6fc6879b JM |
15 | #include "config.h" |
16 | #include "l2_packet/l2_packet.h" | |
17 | #include "wpa_supplicant_i.h" | |
2d5b792d | 18 | #include "driver_i.h" |
6fc6879b | 19 | #include "pcsc_funcs.h" |
3acb5005 JM |
20 | #include "rsn_supp/preauth.h" |
21 | #include "rsn_supp/pmksa_cache.h" | |
90973fb2 | 22 | #include "common/wpa_ctrl.h" |
6fc6879b | 23 | #include "eap_peer/eap.h" |
1d041bec | 24 | #include "ap/hostapd.h" |
93b7ddd0 | 25 | #include "p2p/p2p.h" |
75cad1a0 | 26 | #include "wnm_sta.h" |
8bac466b | 27 | #include "notify.h" |
90973fb2 | 28 | #include "common/ieee802_11_defs.h" |
54f489be | 29 | #include "common/ieee802_11_common.h" |
bbb921da | 30 | #include "crypto/random.h" |
6fc6879b JM |
31 | #include "blacklist.h" |
32 | #include "wpas_glue.h" | |
351f09a2 | 33 | #include "wps_supplicant.h" |
11ef8d35 | 34 | #include "ibss_rsn.h" |
c2a04078 | 35 | #include "sme.h" |
04ea7b79 | 36 | #include "gas_query.h" |
9bae1be0 | 37 | #include "p2p_supplicant.h" |
60b94c98 | 38 | #include "bgscan.h" |
7c865c68 | 39 | #include "autoscan.h" |
f8b1f695 | 40 | #include "ap.h" |
6fa81a3b | 41 | #include "bss.h" |
9ba9fa07 | 42 | #include "scan.h" |
24f6497c | 43 | #include "offchannel.h" |
4d5bda5f | 44 | #include "interworking.h" |
6fc6879b JM |
45 | |
46 | ||
d6bbcce4 JM |
47 | static int wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s); |
48 | ||
49 | ||
00e5e3d5 JM |
50 | static int wpas_temp_disabled(struct wpa_supplicant *wpa_s, |
51 | struct wpa_ssid *ssid) | |
52 | { | |
53 | struct os_time now; | |
54 | ||
55 | if (ssid == NULL || ssid->disabled_until.sec == 0) | |
56 | return 0; | |
57 | ||
58 | os_get_time(&now); | |
59 | if (ssid->disabled_until.sec > now.sec) | |
60 | return ssid->disabled_until.sec - now.sec; | |
61 | ||
62 | wpas_clear_temp_disabled(wpa_s, ssid, 0); | |
63 | ||
64 | return 0; | |
65 | } | |
66 | ||
67 | ||
6fc6879b JM |
68 | static int wpa_supplicant_select_config(struct wpa_supplicant *wpa_s) |
69 | { | |
8bac466b | 70 | struct wpa_ssid *ssid, *old_ssid; |
00e5e3d5 | 71 | int res; |
6fc6879b JM |
72 | |
73 | if (wpa_s->conf->ap_scan == 1 && wpa_s->current_ssid) | |
74 | return 0; | |
75 | ||
f049052b BG |
76 | wpa_dbg(wpa_s, MSG_DEBUG, "Select network based on association " |
77 | "information"); | |
6fc6879b JM |
78 | ssid = wpa_supplicant_get_ssid(wpa_s); |
79 | if (ssid == NULL) { | |
f049052b BG |
80 | wpa_msg(wpa_s, MSG_INFO, |
81 | "No network configuration found for the current AP"); | |
6fc6879b JM |
82 | return -1; |
83 | } | |
84 | ||
349493bd | 85 | if (wpas_network_disabled(wpa_s, ssid)) { |
f049052b | 86 | wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is disabled"); |
6fc6879b JM |
87 | return -1; |
88 | } | |
89 | ||
6407f413 JM |
90 | if (disallowed_bssid(wpa_s, wpa_s->bssid) || |
91 | disallowed_ssid(wpa_s, ssid->ssid, ssid->ssid_len)) { | |
92 | wpa_dbg(wpa_s, MSG_DEBUG, "Selected BSS is disallowed"); | |
93 | return -1; | |
94 | } | |
95 | ||
00e5e3d5 JM |
96 | res = wpas_temp_disabled(wpa_s, ssid); |
97 | if (res > 0) { | |
98 | wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is temporarily " | |
99 | "disabled for %d second(s)", res); | |
100 | return -1; | |
101 | } | |
102 | ||
f049052b BG |
103 | wpa_dbg(wpa_s, MSG_DEBUG, "Network configuration found for the " |
104 | "current AP"); | |
0bf927a0 | 105 | if (wpa_key_mgmt_wpa_any(ssid->key_mgmt)) { |
6fc6879b JM |
106 | u8 wpa_ie[80]; |
107 | size_t wpa_ie_len = sizeof(wpa_ie); | |
cbf61176 JM |
108 | if (wpa_supplicant_set_suites(wpa_s, NULL, ssid, |
109 | wpa_ie, &wpa_ie_len) < 0) | |
110 | wpa_dbg(wpa_s, MSG_DEBUG, "Could not set WPA suites"); | |
6fc6879b JM |
111 | } else { |
112 | wpa_supplicant_set_non_wpa_policy(wpa_s, ssid); | |
113 | } | |
114 | ||
115 | if (wpa_s->current_ssid && wpa_s->current_ssid != ssid) | |
116 | eapol_sm_invalidate_cached_session(wpa_s->eapol); | |
8bac466b | 117 | old_ssid = wpa_s->current_ssid; |
6fc6879b JM |
118 | wpa_s->current_ssid = ssid; |
119 | wpa_supplicant_rsn_supp_set_config(wpa_s, wpa_s->current_ssid); | |
120 | wpa_supplicant_initiate_eapol(wpa_s); | |
8bac466b JM |
121 | if (old_ssid != wpa_s->current_ssid) |
122 | wpas_notify_network_changed(wpa_s); | |
6fc6879b JM |
123 | |
124 | return 0; | |
125 | } | |
126 | ||
127 | ||
01a17491 | 128 | void wpa_supplicant_stop_countermeasures(void *eloop_ctx, void *sock_ctx) |
6fc6879b JM |
129 | { |
130 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
131 | ||
132 | if (wpa_s->countermeasures) { | |
133 | wpa_s->countermeasures = 0; | |
134 | wpa_drv_set_countermeasures(wpa_s, 0); | |
135 | wpa_msg(wpa_s, MSG_INFO, "WPA: TKIP countermeasures stopped"); | |
136 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
137 | } | |
138 | } | |
139 | ||
140 | ||
141 | void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s) | |
142 | { | |
8bac466b JM |
143 | int bssid_changed; |
144 | ||
b6668734 JM |
145 | wnm_bss_keep_alive_deinit(wpa_s); |
146 | ||
78177a00 JM |
147 | #ifdef CONFIG_IBSS_RSN |
148 | ibss_rsn_deinit(wpa_s->ibss_rsn); | |
149 | wpa_s->ibss_rsn = NULL; | |
150 | #endif /* CONFIG_IBSS_RSN */ | |
151 | ||
ca62e114 JM |
152 | #ifdef CONFIG_AP |
153 | wpa_supplicant_ap_deinit(wpa_s); | |
154 | #endif /* CONFIG_AP */ | |
155 | ||
8401a6b0 JM |
156 | if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) |
157 | return; | |
158 | ||
6fc6879b | 159 | wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); |
8bac466b | 160 | bssid_changed = !is_zero_ether_addr(wpa_s->bssid); |
6fc6879b JM |
161 | os_memset(wpa_s->bssid, 0, ETH_ALEN); |
162 | os_memset(wpa_s->pending_bssid, 0, ETH_ALEN); | |
a0227929 JM |
163 | #ifdef CONFIG_SME |
164 | wpa_s->sme.prev_bssid_set = 0; | |
165 | #endif /* CONFIG_SME */ | |
b1aebbc4 JM |
166 | #ifdef CONFIG_P2P |
167 | os_memset(wpa_s->go_dev_addr, 0, ETH_ALEN); | |
168 | #endif /* CONFIG_P2P */ | |
be8be671 | 169 | wpa_s->current_bss = NULL; |
3c85f144 | 170 | wpa_s->assoc_freq = 0; |
8fd0f0f3 HW |
171 | #ifdef CONFIG_IEEE80211R |
172 | #ifdef CONFIG_SME | |
173 | if (wpa_s->sme.ft_ies) | |
174 | sme_update_ft_ies(wpa_s, NULL, NULL, 0); | |
175 | #endif /* CONFIG_SME */ | |
176 | #endif /* CONFIG_IEEE80211R */ | |
177 | ||
8bac466b JM |
178 | if (bssid_changed) |
179 | wpas_notify_bssid_changed(wpa_s); | |
180 | ||
6fc6879b JM |
181 | eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE); |
182 | eapol_sm_notify_portValid(wpa_s->eapol, FALSE); | |
56586197 | 183 | if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) |
6fc6879b JM |
184 | eapol_sm_notify_eap_success(wpa_s->eapol, FALSE); |
185 | wpa_s->ap_ies_from_associnfo = 0; | |
0d30cc24 JM |
186 | wpa_s->current_ssid = NULL; |
187 | wpa_s->key_mgmt = 0; | |
6fc6879b JM |
188 | } |
189 | ||
190 | ||
191 | static void wpa_find_assoc_pmkid(struct wpa_supplicant *wpa_s) | |
192 | { | |
193 | struct wpa_ie_data ie; | |
194 | int pmksa_set = -1; | |
195 | size_t i; | |
196 | ||
197 | if (wpa_sm_parse_own_wpa_ie(wpa_s->wpa, &ie) < 0 || | |
198 | ie.pmkid == NULL) | |
199 | return; | |
200 | ||
201 | for (i = 0; i < ie.num_pmkid; i++) { | |
202 | pmksa_set = pmksa_cache_set_current(wpa_s->wpa, | |
203 | ie.pmkid + i * PMKID_LEN, | |
204 | NULL, NULL, 0); | |
205 | if (pmksa_set == 0) { | |
206 | eapol_sm_notify_pmkid_attempt(wpa_s->eapol, 1); | |
207 | break; | |
208 | } | |
209 | } | |
210 | ||
f049052b BG |
211 | wpa_dbg(wpa_s, MSG_DEBUG, "RSN: PMKID from assoc IE %sfound from " |
212 | "PMKSA cache", pmksa_set == 0 ? "" : "not "); | |
6fc6879b JM |
213 | } |
214 | ||
215 | ||
216 | static void wpa_supplicant_event_pmkid_candidate(struct wpa_supplicant *wpa_s, | |
217 | union wpa_event_data *data) | |
218 | { | |
219 | if (data == NULL) { | |
f049052b BG |
220 | wpa_dbg(wpa_s, MSG_DEBUG, "RSN: No data in PMKID candidate " |
221 | "event"); | |
6fc6879b JM |
222 | return; |
223 | } | |
f049052b BG |
224 | wpa_dbg(wpa_s, MSG_DEBUG, "RSN: PMKID candidate event - bssid=" MACSTR |
225 | " index=%d preauth=%d", | |
226 | MAC2STR(data->pmkid_candidate.bssid), | |
227 | data->pmkid_candidate.index, | |
228 | data->pmkid_candidate.preauth); | |
6fc6879b JM |
229 | |
230 | pmksa_candidate_add(wpa_s->wpa, data->pmkid_candidate.bssid, | |
231 | data->pmkid_candidate.index, | |
232 | data->pmkid_candidate.preauth); | |
233 | } | |
234 | ||
235 | ||
236 | static int wpa_supplicant_dynamic_keys(struct wpa_supplicant *wpa_s) | |
237 | { | |
238 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE || | |
239 | wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) | |
240 | return 0; | |
241 | ||
242 | #ifdef IEEE8021X_EAPOL | |
243 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA && | |
244 | wpa_s->current_ssid && | |
245 | !(wpa_s->current_ssid->eapol_flags & | |
246 | (EAPOL_FLAG_REQUIRE_KEY_UNICAST | | |
247 | EAPOL_FLAG_REQUIRE_KEY_BROADCAST))) { | |
248 | /* IEEE 802.1X, but not using dynamic WEP keys (i.e., either | |
249 | * plaintext or static WEP keys). */ | |
250 | return 0; | |
251 | } | |
252 | #endif /* IEEE8021X_EAPOL */ | |
253 | ||
254 | return 1; | |
255 | } | |
256 | ||
257 | ||
258 | /** | |
259 | * wpa_supplicant_scard_init - Initialize SIM/USIM access with PC/SC | |
260 | * @wpa_s: pointer to wpa_supplicant data | |
261 | * @ssid: Configuration data for the network | |
262 | * Returns: 0 on success, -1 on failure | |
263 | * | |
264 | * This function is called when starting authentication with a network that is | |
265 | * configured to use PC/SC for SIM/USIM access (EAP-SIM or EAP-AKA). | |
266 | */ | |
267 | int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s, | |
268 | struct wpa_ssid *ssid) | |
269 | { | |
270 | #ifdef IEEE8021X_EAPOL | |
b832d34c | 271 | #ifdef PCSC_FUNCS |
6fc6879b JM |
272 | int aka = 0, sim = 0, type; |
273 | ||
274 | if (ssid->eap.pcsc == NULL || wpa_s->scard != NULL) | |
275 | return 0; | |
276 | ||
277 | if (ssid->eap.eap_methods == NULL) { | |
278 | sim = 1; | |
279 | aka = 1; | |
280 | } else { | |
281 | struct eap_method_type *eap = ssid->eap.eap_methods; | |
282 | while (eap->vendor != EAP_VENDOR_IETF || | |
283 | eap->method != EAP_TYPE_NONE) { | |
284 | if (eap->vendor == EAP_VENDOR_IETF) { | |
285 | if (eap->method == EAP_TYPE_SIM) | |
286 | sim = 1; | |
3d332fe7 JM |
287 | else if (eap->method == EAP_TYPE_AKA || |
288 | eap->method == EAP_TYPE_AKA_PRIME) | |
6fc6879b JM |
289 | aka = 1; |
290 | } | |
291 | eap++; | |
292 | } | |
293 | } | |
294 | ||
295 | if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_SIM) == NULL) | |
296 | sim = 0; | |
3d332fe7 JM |
297 | if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA) == NULL && |
298 | eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA_PRIME) == | |
299 | NULL) | |
6fc6879b JM |
300 | aka = 0; |
301 | ||
302 | if (!sim && !aka) { | |
f049052b BG |
303 | wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is configured to " |
304 | "use SIM, but neither EAP-SIM nor EAP-AKA are " | |
305 | "enabled"); | |
6fc6879b JM |
306 | return 0; |
307 | } | |
308 | ||
f049052b BG |
309 | wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is configured to use SIM " |
310 | "(sim=%d aka=%d) - initialize PCSC", sim, aka); | |
6fc6879b JM |
311 | if (sim && aka) |
312 | type = SCARD_TRY_BOTH; | |
313 | else if (aka) | |
314 | type = SCARD_USIM_ONLY; | |
315 | else | |
316 | type = SCARD_GSM_SIM_ONLY; | |
317 | ||
f64adcd7 | 318 | wpa_s->scard = scard_init(type, NULL); |
6fc6879b | 319 | if (wpa_s->scard == NULL) { |
f049052b BG |
320 | wpa_msg(wpa_s, MSG_WARNING, "Failed to initialize SIM " |
321 | "(pcsc-lite)"); | |
6fc6879b JM |
322 | return -1; |
323 | } | |
324 | wpa_sm_set_scard_ctx(wpa_s->wpa, wpa_s->scard); | |
325 | eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard); | |
b832d34c | 326 | #endif /* PCSC_FUNCS */ |
6fc6879b JM |
327 | #endif /* IEEE8021X_EAPOL */ |
328 | ||
329 | return 0; | |
330 | } | |
331 | ||
332 | ||
333 | #ifndef CONFIG_NO_SCAN_PROCESSING | |
620c7837 | 334 | static int wpa_supplicant_match_privacy(struct wpa_bss *bss, |
6fc6879b JM |
335 | struct wpa_ssid *ssid) |
336 | { | |
337 | int i, privacy = 0; | |
338 | ||
339 | if (ssid->mixed_cell) | |
340 | return 1; | |
341 | ||
0632542b AT |
342 | #ifdef CONFIG_WPS |
343 | if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) | |
344 | return 1; | |
345 | #endif /* CONFIG_WPS */ | |
346 | ||
6fc6879b JM |
347 | for (i = 0; i < NUM_WEP_KEYS; i++) { |
348 | if (ssid->wep_key_len[i]) { | |
349 | privacy = 1; | |
350 | break; | |
351 | } | |
352 | } | |
353 | #ifdef IEEE8021X_EAPOL | |
354 | if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) && | |
355 | ssid->eapol_flags & (EAPOL_FLAG_REQUIRE_KEY_UNICAST | | |
356 | EAPOL_FLAG_REQUIRE_KEY_BROADCAST)) | |
357 | privacy = 1; | |
358 | #endif /* IEEE8021X_EAPOL */ | |
359 | ||
29fbc522 JM |
360 | if (wpa_key_mgmt_wpa(ssid->key_mgmt)) |
361 | privacy = 1; | |
362 | ||
6fc6879b JM |
363 | if (bss->caps & IEEE80211_CAP_PRIVACY) |
364 | return privacy; | |
365 | return !privacy; | |
366 | } | |
367 | ||
368 | ||
a6099152 JM |
369 | static int wpa_supplicant_ssid_bss_match(struct wpa_supplicant *wpa_s, |
370 | struct wpa_ssid *ssid, | |
620c7837 | 371 | struct wpa_bss *bss) |
6fc6879b JM |
372 | { |
373 | struct wpa_ie_data ie; | |
374 | int proto_match = 0; | |
375 | const u8 *rsn_ie, *wpa_ie; | |
351f09a2 | 376 | int ret; |
43882f1e | 377 | int wep_ok; |
6fc6879b | 378 | |
a6099152 | 379 | ret = wpas_wps_ssid_bss_match(wpa_s, ssid, bss); |
351f09a2 JM |
380 | if (ret >= 0) |
381 | return ret; | |
ad08c363 | 382 | |
43882f1e JM |
383 | /* Allow TSN if local configuration accepts WEP use without WPA/WPA2 */ |
384 | wep_ok = !wpa_key_mgmt_wpa(ssid->key_mgmt) && | |
385 | (((ssid->key_mgmt & WPA_KEY_MGMT_NONE) && | |
386 | ssid->wep_key_len[ssid->wep_tx_keyidx] > 0) || | |
387 | (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)); | |
388 | ||
620c7837 | 389 | rsn_ie = wpa_bss_get_ie(bss, WLAN_EID_RSN); |
6fc6879b JM |
390 | while ((ssid->proto & WPA_PROTO_RSN) && rsn_ie) { |
391 | proto_match++; | |
392 | ||
393 | if (wpa_parse_wpa_ie(rsn_ie, 2 + rsn_ie[1], &ie)) { | |
f049052b BG |
394 | wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - parse " |
395 | "failed"); | |
6fc6879b JM |
396 | break; |
397 | } | |
43882f1e JM |
398 | |
399 | if (wep_ok && | |
400 | (ie.group_cipher & (WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104))) | |
401 | { | |
f049052b BG |
402 | wpa_dbg(wpa_s, MSG_DEBUG, " selected based on TSN " |
403 | "in RSN IE"); | |
43882f1e JM |
404 | return 1; |
405 | } | |
406 | ||
6fc6879b | 407 | if (!(ie.proto & ssid->proto)) { |
f049052b BG |
408 | wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - proto " |
409 | "mismatch"); | |
6fc6879b JM |
410 | break; |
411 | } | |
412 | ||
413 | if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) { | |
f049052b BG |
414 | wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - PTK " |
415 | "cipher mismatch"); | |
6fc6879b JM |
416 | break; |
417 | } | |
418 | ||
419 | if (!(ie.group_cipher & ssid->group_cipher)) { | |
f049052b BG |
420 | wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - GTK " |
421 | "cipher mismatch"); | |
6fc6879b JM |
422 | break; |
423 | } | |
424 | ||
425 | if (!(ie.key_mgmt & ssid->key_mgmt)) { | |
f049052b BG |
426 | wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - key mgmt " |
427 | "mismatch"); | |
6fc6879b JM |
428 | break; |
429 | } | |
430 | ||
431 | #ifdef CONFIG_IEEE80211W | |
0b60b0aa | 432 | if (!(ie.capabilities & WPA_CAPABILITY_MFPC) && |
62d49803 JM |
433 | (ssid->ieee80211w == MGMT_FRAME_PROTECTION_DEFAULT ? |
434 | wpa_s->conf->pmf : ssid->ieee80211w) == | |
435 | MGMT_FRAME_PROTECTION_REQUIRED) { | |
f049052b BG |
436 | wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - no mgmt " |
437 | "frame protection"); | |
6fc6879b JM |
438 | break; |
439 | } | |
440 | #endif /* CONFIG_IEEE80211W */ | |
441 | ||
f049052b | 442 | wpa_dbg(wpa_s, MSG_DEBUG, " selected based on RSN IE"); |
6fc6879b JM |
443 | return 1; |
444 | } | |
445 | ||
620c7837 | 446 | wpa_ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE); |
6fc6879b JM |
447 | while ((ssid->proto & WPA_PROTO_WPA) && wpa_ie) { |
448 | proto_match++; | |
449 | ||
450 | if (wpa_parse_wpa_ie(wpa_ie, 2 + wpa_ie[1], &ie)) { | |
f049052b BG |
451 | wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - parse " |
452 | "failed"); | |
6fc6879b JM |
453 | break; |
454 | } | |
43882f1e JM |
455 | |
456 | if (wep_ok && | |
457 | (ie.group_cipher & (WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104))) | |
458 | { | |
f049052b BG |
459 | wpa_dbg(wpa_s, MSG_DEBUG, " selected based on TSN " |
460 | "in WPA IE"); | |
43882f1e JM |
461 | return 1; |
462 | } | |
463 | ||
6fc6879b | 464 | if (!(ie.proto & ssid->proto)) { |
f049052b BG |
465 | wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - proto " |
466 | "mismatch"); | |
6fc6879b JM |
467 | break; |
468 | } | |
469 | ||
470 | if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) { | |
f049052b BG |
471 | wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - PTK " |
472 | "cipher mismatch"); | |
6fc6879b JM |
473 | break; |
474 | } | |
475 | ||
476 | if (!(ie.group_cipher & ssid->group_cipher)) { | |
f049052b BG |
477 | wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - GTK " |
478 | "cipher mismatch"); | |
6fc6879b JM |
479 | break; |
480 | } | |
481 | ||
482 | if (!(ie.key_mgmt & ssid->key_mgmt)) { | |
f049052b BG |
483 | wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - key mgmt " |
484 | "mismatch"); | |
6fc6879b JM |
485 | break; |
486 | } | |
487 | ||
f049052b | 488 | wpa_dbg(wpa_s, MSG_DEBUG, " selected based on WPA IE"); |
6fc6879b JM |
489 | return 1; |
490 | } | |
491 | ||
a3f7e518 JM |
492 | if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) && !wpa_ie && |
493 | !rsn_ie) { | |
494 | wpa_dbg(wpa_s, MSG_DEBUG, " allow for non-WPA IEEE 802.1X"); | |
495 | return 1; | |
496 | } | |
497 | ||
cc5e390d | 498 | if ((ssid->proto & (WPA_PROTO_WPA | WPA_PROTO_RSN)) && |
df83fb7d | 499 | wpa_key_mgmt_wpa(ssid->key_mgmt) && proto_match == 0) { |
f049052b | 500 | wpa_dbg(wpa_s, MSG_DEBUG, " skip - no WPA/RSN proto match"); |
cc5e390d JM |
501 | return 0; |
502 | } | |
6fc6879b | 503 | |
c2f1fe41 JM |
504 | if (!wpa_key_mgmt_wpa(ssid->key_mgmt)) { |
505 | wpa_dbg(wpa_s, MSG_DEBUG, " allow in non-WPA/WPA2"); | |
506 | return 1; | |
507 | } | |
508 | ||
509 | wpa_dbg(wpa_s, MSG_DEBUG, " reject due to mismatch with " | |
510 | "WPA/WPA2"); | |
511 | ||
512 | return 0; | |
6fc6879b JM |
513 | } |
514 | ||
515 | ||
b766a9a2 JM |
516 | static int freq_allowed(int *freqs, int freq) |
517 | { | |
518 | int i; | |
519 | ||
520 | if (freqs == NULL) | |
521 | return 1; | |
522 | ||
523 | for (i = 0; freqs[i]; i++) | |
524 | if (freqs[i] == freq) | |
525 | return 1; | |
526 | return 0; | |
527 | } | |
528 | ||
529 | ||
e1e8cae3 CL |
530 | static int ht_supported(const struct hostapd_hw_modes *mode) |
531 | { | |
532 | if (!(mode->flags & HOSTAPD_MODE_FLAG_HT_INFO_KNOWN)) { | |
533 | /* | |
534 | * The driver did not indicate whether it supports HT. Assume | |
535 | * it does to avoid connection issues. | |
536 | */ | |
537 | return 1; | |
538 | } | |
539 | ||
540 | /* | |
541 | * IEEE Std 802.11n-2009 20.1.1: | |
542 | * An HT non-AP STA shall support all EQM rates for one spatial stream. | |
543 | */ | |
544 | return mode->mcs_set[0] == 0xff; | |
545 | } | |
546 | ||
547 | ||
620c7837 | 548 | static int rate_match(struct wpa_supplicant *wpa_s, struct wpa_bss *bss) |
e1e8cae3 CL |
549 | { |
550 | const struct hostapd_hw_modes *mode = NULL, *modes; | |
551 | const u8 scan_ie[2] = { WLAN_EID_SUPP_RATES, WLAN_EID_EXT_SUPP_RATES }; | |
552 | const u8 *rate_ie; | |
553 | int i, j, k; | |
554 | ||
a6d94e1b JM |
555 | if (bss->freq == 0) |
556 | return 1; /* Cannot do matching without knowing band */ | |
557 | ||
e1e8cae3 CL |
558 | modes = wpa_s->hw.modes; |
559 | if (modes == NULL) { | |
560 | /* | |
561 | * The driver does not provide any additional information | |
562 | * about the utilized hardware, so allow the connection attempt | |
563 | * to continue. | |
564 | */ | |
565 | return 1; | |
566 | } | |
567 | ||
568 | for (i = 0; i < wpa_s->hw.num_modes; i++) { | |
569 | for (j = 0; j < modes[i].num_channels; j++) { | |
570 | int freq = modes[i].channels[j].freq; | |
571 | if (freq == bss->freq) { | |
572 | if (mode && | |
573 | mode->mode == HOSTAPD_MODE_IEEE80211G) | |
574 | break; /* do not allow 802.11b replace | |
575 | * 802.11g */ | |
576 | mode = &modes[i]; | |
577 | break; | |
578 | } | |
579 | } | |
580 | } | |
581 | ||
582 | if (mode == NULL) | |
583 | return 0; | |
584 | ||
585 | for (i = 0; i < (int) sizeof(scan_ie); i++) { | |
620c7837 | 586 | rate_ie = wpa_bss_get_ie(bss, scan_ie[i]); |
e1e8cae3 CL |
587 | if (rate_ie == NULL) |
588 | continue; | |
589 | ||
590 | for (j = 2; j < rate_ie[1] + 2; j++) { | |
591 | int flagged = !!(rate_ie[j] & 0x80); | |
592 | int r = (rate_ie[j] & 0x7f) * 5; | |
593 | ||
594 | /* | |
595 | * IEEE Std 802.11n-2009 7.3.2.2: | |
596 | * The new BSS Membership selector value is encoded | |
597 | * like a legacy basic rate, but it is not a rate and | |
598 | * only indicates if the BSS members are required to | |
599 | * support the mandatory features of Clause 20 [HT PHY] | |
600 | * in order to join the BSS. | |
601 | */ | |
602 | if (flagged && ((rate_ie[j] & 0x7f) == | |
603 | BSS_MEMBERSHIP_SELECTOR_HT_PHY)) { | |
604 | if (!ht_supported(mode)) { | |
605 | wpa_dbg(wpa_s, MSG_DEBUG, | |
606 | " hardware does not support " | |
607 | "HT PHY"); | |
608 | return 0; | |
609 | } | |
610 | continue; | |
611 | } | |
612 | ||
613 | if (!flagged) | |
614 | continue; | |
615 | ||
616 | /* check for legacy basic rates */ | |
617 | for (k = 0; k < mode->num_rates; k++) { | |
618 | if (mode->rates[k] == r) | |
619 | break; | |
620 | } | |
621 | if (k == mode->num_rates) { | |
622 | /* | |
623 | * IEEE Std 802.11-2007 7.3.2.2 demands that in | |
624 | * order to join a BSS all required rates | |
625 | * have to be supported by the hardware. | |
626 | */ | |
627 | wpa_dbg(wpa_s, MSG_DEBUG, " hardware does " | |
628 | "not support required rate %d.%d Mbps", | |
629 | r / 10, r % 10); | |
630 | return 0; | |
631 | } | |
632 | } | |
633 | } | |
634 | ||
635 | return 1; | |
636 | } | |
637 | ||
638 | ||
ff3ad3c5 VK |
639 | static int bss_is_dmg(struct wpa_bss *bss) |
640 | { | |
641 | return bss->freq > 45000; | |
642 | } | |
643 | ||
644 | ||
645 | /* | |
646 | * Test whether BSS is in an ESS. | |
647 | * This is done differently in DMG (60 GHz) and non-DMG bands | |
648 | */ | |
649 | static int bss_is_ess(struct wpa_bss *bss) | |
650 | { | |
651 | if (bss_is_dmg(bss)) { | |
652 | return (bss->caps & IEEE80211_CAP_DMG_MASK) == | |
653 | IEEE80211_CAP_DMG_AP; | |
654 | } | |
655 | ||
656 | return ((bss->caps & (IEEE80211_CAP_ESS | IEEE80211_CAP_IBSS)) == | |
657 | IEEE80211_CAP_ESS); | |
658 | } | |
659 | ||
660 | ||
d8d940b7 | 661 | static struct wpa_ssid * wpa_scan_res_match(struct wpa_supplicant *wpa_s, |
620c7837 | 662 | int i, struct wpa_bss *bss, |
d8d940b7 | 663 | struct wpa_ssid *group) |
6fc6879b | 664 | { |
620c7837 | 665 | u8 wpa_ie_len, rsn_ie_len; |
d8d940b7 | 666 | int wpa; |
6fc6879b JM |
667 | struct wpa_blacklist *e; |
668 | const u8 *ie; | |
d8d940b7 | 669 | struct wpa_ssid *ssid; |
6fc6879b | 670 | |
620c7837 | 671 | ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE); |
d8d940b7 | 672 | wpa_ie_len = ie ? ie[1] : 0; |
6fc6879b | 673 | |
620c7837 | 674 | ie = wpa_bss_get_ie(bss, WLAN_EID_RSN); |
d8d940b7 | 675 | rsn_ie_len = ie ? ie[1] : 0; |
6fc6879b | 676 | |
f049052b BG |
677 | wpa_dbg(wpa_s, MSG_DEBUG, "%d: " MACSTR " ssid='%s' " |
678 | "wpa_ie_len=%u rsn_ie_len=%u caps=0x%x level=%d%s", | |
620c7837 | 679 | i, MAC2STR(bss->bssid), wpa_ssid_txt(bss->ssid, bss->ssid_len), |
f049052b | 680 | wpa_ie_len, rsn_ie_len, bss->caps, bss->level, |
620c7837 | 681 | wpa_bss_get_vendor_ie(bss, WPS_IE_VENDOR_TYPE) ? " wps" : ""); |
9cf32261 | 682 | |
d8d940b7 | 683 | e = wpa_blacklist_get(wpa_s, bss->bssid); |
5471c343 JM |
684 | if (e) { |
685 | int limit = 1; | |
349493bd | 686 | if (wpa_supplicant_enabled_networks(wpa_s) == 1) { |
5471c343 JM |
687 | /* |
688 | * When only a single network is enabled, we can | |
689 | * trigger blacklisting on the first failure. This | |
690 | * should not be done with multiple enabled networks to | |
691 | * avoid getting forced to move into a worse ESS on | |
692 | * single error if there are no other BSSes of the | |
693 | * current ESS. | |
694 | */ | |
695 | limit = 0; | |
696 | } | |
697 | if (e->count > limit) { | |
f049052b BG |
698 | wpa_dbg(wpa_s, MSG_DEBUG, " skip - blacklisted " |
699 | "(count=%d limit=%d)", e->count, limit); | |
c2197bc9 | 700 | return NULL; |
5471c343 | 701 | } |
d8d940b7 | 702 | } |
6fc6879b | 703 | |
620c7837 | 704 | if (bss->ssid_len == 0) { |
f049052b | 705 | wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID not known"); |
c2197bc9 | 706 | return NULL; |
d8d940b7 | 707 | } |
e81634cd | 708 | |
6407f413 JM |
709 | if (disallowed_bssid(wpa_s, bss->bssid)) { |
710 | wpa_dbg(wpa_s, MSG_DEBUG, " skip - BSSID disallowed"); | |
711 | return NULL; | |
712 | } | |
713 | ||
714 | if (disallowed_ssid(wpa_s, bss->ssid, bss->ssid_len)) { | |
715 | wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID disallowed"); | |
716 | return NULL; | |
717 | } | |
718 | ||
d8d940b7 | 719 | wpa = wpa_ie_len > 0 || rsn_ie_len > 0; |
6fc6879b | 720 | |
d8d940b7 JM |
721 | for (ssid = group; ssid; ssid = ssid->pnext) { |
722 | int check_ssid = wpa ? 1 : (ssid->ssid_len != 0); | |
00e5e3d5 | 723 | int res; |
ad08c363 | 724 | |
349493bd | 725 | if (wpas_network_disabled(wpa_s, ssid)) { |
f049052b | 726 | wpa_dbg(wpa_s, MSG_DEBUG, " skip - disabled"); |
0c703df3 | 727 | continue; |
d8d940b7 | 728 | } |
9cf32261 | 729 | |
00e5e3d5 JM |
730 | res = wpas_temp_disabled(wpa_s, ssid); |
731 | if (res > 0) { | |
732 | wpa_dbg(wpa_s, MSG_DEBUG, " skip - disabled " | |
733 | "temporarily for %d second(s)", res); | |
734 | continue; | |
735 | } | |
736 | ||
ad08c363 | 737 | #ifdef CONFIG_WPS |
f648bc7d | 738 | if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && e && e->count > 0) { |
f049052b BG |
739 | wpa_dbg(wpa_s, MSG_DEBUG, " skip - blacklisted " |
740 | "(WPS)"); | |
f648bc7d JM |
741 | continue; |
742 | } | |
743 | ||
d8d940b7 JM |
744 | if (wpa && ssid->ssid_len == 0 && |
745 | wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss)) | |
746 | check_ssid = 0; | |
747 | ||
748 | if (!wpa && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) { | |
749 | /* Only allow wildcard SSID match if an AP | |
750 | * advertises active WPS operation that matches | |
751 | * with our mode. */ | |
752 | check_ssid = 1; | |
ad08c363 | 753 | if (ssid->ssid_len == 0 && |
a6099152 | 754 | wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss)) |
ad08c363 | 755 | check_ssid = 0; |
d8d940b7 | 756 | } |
ad08c363 JM |
757 | #endif /* CONFIG_WPS */ |
758 | ||
7d232e23 ZC |
759 | if (ssid->bssid_set && ssid->ssid_len == 0 && |
760 | os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) == 0) | |
761 | check_ssid = 0; | |
762 | ||
d8d940b7 | 763 | if (check_ssid && |
620c7837 JM |
764 | (bss->ssid_len != ssid->ssid_len || |
765 | os_memcmp(bss->ssid, ssid->ssid, bss->ssid_len) != 0)) { | |
f049052b | 766 | wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID mismatch"); |
0c703df3 | 767 | continue; |
6fc6879b | 768 | } |
6fc6879b | 769 | |
d8d940b7 JM |
770 | if (ssid->bssid_set && |
771 | os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) != 0) { | |
f049052b | 772 | wpa_dbg(wpa_s, MSG_DEBUG, " skip - BSSID mismatch"); |
0c703df3 | 773 | continue; |
d8d940b7 | 774 | } |
6fc6879b | 775 | |
cc5e390d | 776 | if (!wpa_supplicant_ssid_bss_match(wpa_s, ssid, bss)) |
0c703df3 | 777 | continue; |
9cf32261 | 778 | |
d8d940b7 JM |
779 | if (!wpa && |
780 | !(ssid->key_mgmt & WPA_KEY_MGMT_NONE) && | |
781 | !(ssid->key_mgmt & WPA_KEY_MGMT_WPS) && | |
782 | !(ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) { | |
f049052b BG |
783 | wpa_dbg(wpa_s, MSG_DEBUG, " skip - non-WPA network " |
784 | "not allowed"); | |
0c703df3 | 785 | continue; |
6fc6879b | 786 | } |
9cf32261 | 787 | |
29fbc522 | 788 | if (!wpa_supplicant_match_privacy(bss, ssid)) { |
f049052b BG |
789 | wpa_dbg(wpa_s, MSG_DEBUG, " skip - privacy " |
790 | "mismatch"); | |
0c703df3 | 791 | continue; |
e81634cd JM |
792 | } |
793 | ||
ff3ad3c5 VK |
794 | if (!bss_is_ess(bss)) { |
795 | wpa_dbg(wpa_s, MSG_DEBUG, " skip - not ESS network"); | |
0c703df3 | 796 | continue; |
d8d940b7 | 797 | } |
b766a9a2 | 798 | |
d8d940b7 | 799 | if (!freq_allowed(ssid->freq_list, bss->freq)) { |
f049052b BG |
800 | wpa_dbg(wpa_s, MSG_DEBUG, " skip - frequency not " |
801 | "allowed"); | |
0c703df3 | 802 | continue; |
6fc6879b | 803 | } |
d8d940b7 | 804 | |
e1e8cae3 CL |
805 | if (!rate_match(wpa_s, bss)) { |
806 | wpa_dbg(wpa_s, MSG_DEBUG, " skip - rate sets do " | |
807 | "not match"); | |
808 | continue; | |
809 | } | |
810 | ||
73e49269 JM |
811 | #ifdef CONFIG_P2P |
812 | /* | |
813 | * TODO: skip the AP if its P2P IE has Group Formation | |
814 | * bit set in the P2P Group Capability Bitmap and we | |
815 | * are not in Group Formation with that device. | |
816 | */ | |
817 | #endif /* CONFIG_P2P */ | |
818 | ||
d8d940b7 JM |
819 | /* Matching configuration found */ |
820 | return ssid; | |
6fc6879b JM |
821 | } |
822 | ||
d8d940b7 | 823 | /* No matching configuration found */ |
c2197bc9 | 824 | return NULL; |
9cf32261 JM |
825 | } |
826 | ||
827 | ||
6fa81a3b | 828 | static struct wpa_bss * |
a1fd2ce5 | 829 | wpa_supplicant_select_bss(struct wpa_supplicant *wpa_s, |
a1fd2ce5 | 830 | struct wpa_ssid *group, |
9cf32261 JM |
831 | struct wpa_ssid **selected_ssid) |
832 | { | |
620c7837 | 833 | unsigned int i; |
9cf32261 | 834 | |
f049052b BG |
835 | wpa_dbg(wpa_s, MSG_DEBUG, "Selecting BSS from priority group %d", |
836 | group->priority); | |
9cf32261 | 837 | |
620c7837 JM |
838 | for (i = 0; i < wpa_s->last_scan_res_used; i++) { |
839 | struct wpa_bss *bss = wpa_s->last_scan_res[i]; | |
d8d940b7 JM |
840 | *selected_ssid = wpa_scan_res_match(wpa_s, i, bss, group); |
841 | if (!*selected_ssid) | |
842 | continue; | |
f049052b BG |
843 | wpa_dbg(wpa_s, MSG_DEBUG, " selected BSS " MACSTR |
844 | " ssid='%s'", | |
620c7837 JM |
845 | MAC2STR(bss->bssid), |
846 | wpa_ssid_txt(bss->ssid, bss->ssid_len)); | |
847 | return bss; | |
d8d940b7 JM |
848 | } |
849 | ||
850 | return NULL; | |
6fc6879b JM |
851 | } |
852 | ||
853 | ||
6fa81a3b | 854 | static struct wpa_bss * |
09b9df4e JM |
855 | wpa_supplicant_pick_network(struct wpa_supplicant *wpa_s, |
856 | struct wpa_ssid **selected_ssid) | |
6fc6879b | 857 | { |
6fa81a3b | 858 | struct wpa_bss *selected = NULL; |
09b9df4e JM |
859 | int prio; |
860 | ||
620c7837 JM |
861 | if (wpa_s->last_scan_res == NULL || |
862 | wpa_s->last_scan_res_used == 0) | |
863 | return NULL; /* no scan results from last update */ | |
864 | ||
09b9df4e JM |
865 | while (selected == NULL) { |
866 | for (prio = 0; prio < wpa_s->conf->num_prio; prio++) { | |
867 | selected = wpa_supplicant_select_bss( | |
620c7837 | 868 | wpa_s, wpa_s->conf->pssid[prio], |
09b9df4e JM |
869 | selected_ssid); |
870 | if (selected) | |
871 | break; | |
872 | } | |
873 | ||
8945cc45 BM |
874 | if (selected == NULL && wpa_s->blacklist && |
875 | !wpa_s->countermeasures) { | |
f049052b BG |
876 | wpa_dbg(wpa_s, MSG_DEBUG, "No APs found - clear " |
877 | "blacklist and try again"); | |
09b9df4e JM |
878 | wpa_blacklist_clear(wpa_s); |
879 | wpa_s->blacklist_cleared++; | |
880 | } else if (selected == NULL) | |
881 | break; | |
882 | } | |
883 | ||
884 | return selected; | |
885 | } | |
886 | ||
887 | ||
888 | static void wpa_supplicant_req_new_scan(struct wpa_supplicant *wpa_s, | |
977b1174 | 889 | int timeout_sec, int timeout_usec) |
09b9df4e | 890 | { |
349493bd | 891 | if (!wpa_supplicant_enabled_networks(wpa_s)) { |
4f34d51a SL |
892 | /* |
893 | * No networks are enabled; short-circuit request so | |
894 | * we don't wait timeout seconds before transitioning | |
895 | * to INACTIVE state. | |
896 | */ | |
ac06fb12 JM |
897 | wpa_dbg(wpa_s, MSG_DEBUG, "Short-circuit new scan request " |
898 | "since there are no enabled networks"); | |
4f34d51a | 899 | wpa_supplicant_set_state(wpa_s, WPA_INACTIVE); |
4c490780 JM |
900 | #ifdef CONFIG_P2P |
901 | wpa_s->sta_scan_pending = 0; | |
902 | #endif /* CONFIG_P2P */ | |
4f34d51a | 903 | return; |
09b9df4e | 904 | } |
5cc70322 JM |
905 | |
906 | wpa_s->scan_for_connection = 1; | |
977b1174 | 907 | wpa_supplicant_req_scan(wpa_s, timeout_sec, timeout_usec); |
09b9df4e JM |
908 | } |
909 | ||
910 | ||
5cbd88d9 JJ |
911 | int wpa_supplicant_connect(struct wpa_supplicant *wpa_s, |
912 | struct wpa_bss *selected, | |
913 | struct wpa_ssid *ssid) | |
09b9df4e JM |
914 | { |
915 | if (wpas_wps_scan_pbc_overlap(wpa_s, selected, ssid)) { | |
916 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OVERLAP | |
917 | "PBC session overlap"); | |
b73bf0a7 JM |
918 | #ifdef CONFIG_P2P |
919 | if (wpas_p2p_notif_pbc_overlap(wpa_s) == 1) | |
5cbd88d9 | 920 | return -1; |
b73bf0a7 | 921 | #endif /* CONFIG_P2P */ |
199716ad BG |
922 | |
923 | #ifdef CONFIG_WPS | |
7736f18b | 924 | wpas_wps_cancel(wpa_s); |
199716ad | 925 | #endif /* CONFIG_WPS */ |
5cbd88d9 | 926 | return -1; |
09b9df4e JM |
927 | } |
928 | ||
929 | /* | |
930 | * Do not trigger new association unless the BSSID has changed or if | |
931 | * reassociation is requested. If we are in process of associating with | |
932 | * the selected BSSID, do not trigger new attempt. | |
933 | */ | |
934 | if (wpa_s->reassociate || | |
935 | (os_memcmp(selected->bssid, wpa_s->bssid, ETH_ALEN) != 0 && | |
e29853bb BG |
936 | ((wpa_s->wpa_state != WPA_ASSOCIATING && |
937 | wpa_s->wpa_state != WPA_AUTHENTICATING) || | |
09b9df4e JM |
938 | os_memcmp(selected->bssid, wpa_s->pending_bssid, ETH_ALEN) != |
939 | 0))) { | |
940 | if (wpa_supplicant_scard_init(wpa_s, ssid)) { | |
977b1174 | 941 | wpa_supplicant_req_new_scan(wpa_s, 10, 0); |
5cbd88d9 | 942 | return 0; |
09b9df4e | 943 | } |
e29853bb BG |
944 | wpa_msg(wpa_s, MSG_DEBUG, "Request association: " |
945 | "reassociate: %d selected: "MACSTR " bssid: " MACSTR | |
946 | " pending: " MACSTR " wpa_state: %s", | |
947 | wpa_s->reassociate, MAC2STR(selected->bssid), | |
948 | MAC2STR(wpa_s->bssid), MAC2STR(wpa_s->pending_bssid), | |
949 | wpa_supplicant_state_txt(wpa_s->wpa_state)); | |
09b9df4e JM |
950 | wpa_supplicant_associate(wpa_s, selected, ssid); |
951 | } else { | |
f049052b BG |
952 | wpa_dbg(wpa_s, MSG_DEBUG, "Already associated with the " |
953 | "selected AP"); | |
09b9df4e | 954 | } |
5cbd88d9 JJ |
955 | |
956 | return 0; | |
09b9df4e JM |
957 | } |
958 | ||
959 | ||
b55aaa5f JM |
960 | static struct wpa_ssid * |
961 | wpa_supplicant_pick_new_network(struct wpa_supplicant *wpa_s) | |
962 | { | |
963 | int prio; | |
964 | struct wpa_ssid *ssid; | |
965 | ||
966 | for (prio = 0; prio < wpa_s->conf->num_prio; prio++) { | |
967 | for (ssid = wpa_s->conf->pssid[prio]; ssid; ssid = ssid->pnext) | |
968 | { | |
349493bd | 969 | if (wpas_network_disabled(wpa_s, ssid)) |
b55aaa5f JM |
970 | continue; |
971 | if (ssid->mode == IEEE80211_MODE_IBSS || | |
972 | ssid->mode == IEEE80211_MODE_AP) | |
973 | return ssid; | |
974 | } | |
975 | } | |
976 | return NULL; | |
977 | } | |
978 | ||
979 | ||
a1fd2ce5 JM |
980 | /* TODO: move the rsn_preauth_scan_result*() to be called from notify.c based |
981 | * on BSS added and BSS changed events */ | |
6ae93185 | 982 | static void wpa_supplicant_rsn_preauth_scan_results( |
6d28fb96 | 983 | struct wpa_supplicant *wpa_s) |
6ae93185 | 984 | { |
6d28fb96 | 985 | struct wpa_bss *bss; |
6ae93185 JM |
986 | |
987 | if (rsn_preauth_scan_results(wpa_s->wpa) < 0) | |
988 | return; | |
989 | ||
6d28fb96 | 990 | dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { |
6ae93185 | 991 | const u8 *ssid, *rsn; |
6ae93185 | 992 | |
6d28fb96 | 993 | ssid = wpa_bss_get_ie(bss, WLAN_EID_SSID); |
6ae93185 JM |
994 | if (ssid == NULL) |
995 | continue; | |
996 | ||
6d28fb96 | 997 | rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN); |
6ae93185 JM |
998 | if (rsn == NULL) |
999 | continue; | |
1000 | ||
6d28fb96 | 1001 | rsn_preauth_scan_result(wpa_s->wpa, bss->bssid, ssid, rsn); |
6ae93185 JM |
1002 | } |
1003 | ||
1004 | } | |
1005 | ||
1006 | ||
48563d86 JM |
1007 | static int wpa_supplicant_need_to_roam(struct wpa_supplicant *wpa_s, |
1008 | struct wpa_bss *selected, | |
20ed5e40 | 1009 | struct wpa_ssid *ssid) |
48563d86 | 1010 | { |
20ed5e40 | 1011 | struct wpa_bss *current_bss = NULL; |
48563d86 JM |
1012 | int min_diff; |
1013 | ||
1014 | if (wpa_s->reassociate) | |
1015 | return 1; /* explicit request to reassociate */ | |
1016 | if (wpa_s->wpa_state < WPA_ASSOCIATED) | |
1017 | return 1; /* we are not associated; continue */ | |
1018 | if (wpa_s->current_ssid == NULL) | |
1019 | return 1; /* unknown current SSID */ | |
1020 | if (wpa_s->current_ssid != ssid) | |
1021 | return 1; /* different network block */ | |
1022 | ||
22628eca JM |
1023 | if (wpas_driver_bss_selection(wpa_s)) |
1024 | return 0; /* Driver-based roaming */ | |
1025 | ||
20ed5e40 JM |
1026 | if (wpa_s->current_ssid->ssid) |
1027 | current_bss = wpa_bss_get(wpa_s, wpa_s->bssid, | |
1028 | wpa_s->current_ssid->ssid, | |
1029 | wpa_s->current_ssid->ssid_len); | |
1030 | if (!current_bss) | |
1031 | current_bss = wpa_bss_get_bssid(wpa_s, wpa_s->bssid); | |
48563d86 JM |
1032 | |
1033 | if (!current_bss) | |
1034 | return 1; /* current BSS not seen in scan results */ | |
1035 | ||
20ed5e40 JM |
1036 | if (current_bss == selected) |
1037 | return 0; | |
1038 | ||
1039 | if (selected->last_update_idx > current_bss->last_update_idx) | |
1040 | return 1; /* current BSS not seen in the last scan */ | |
1041 | ||
e9af53ad | 1042 | #ifndef CONFIG_NO_ROAMING |
f049052b BG |
1043 | wpa_dbg(wpa_s, MSG_DEBUG, "Considering within-ESS reassociation"); |
1044 | wpa_dbg(wpa_s, MSG_DEBUG, "Current BSS: " MACSTR " level=%d", | |
1045 | MAC2STR(current_bss->bssid), current_bss->level); | |
1046 | wpa_dbg(wpa_s, MSG_DEBUG, "Selected BSS: " MACSTR " level=%d", | |
1047 | MAC2STR(selected->bssid), selected->level); | |
48563d86 | 1048 | |
ac26ebd8 JM |
1049 | if (wpa_s->current_ssid->bssid_set && |
1050 | os_memcmp(selected->bssid, wpa_s->current_ssid->bssid, ETH_ALEN) == | |
1051 | 0) { | |
f049052b BG |
1052 | wpa_dbg(wpa_s, MSG_DEBUG, "Allow reassociation - selected BSS " |
1053 | "has preferred BSSID"); | |
ac26ebd8 JM |
1054 | return 1; |
1055 | } | |
1056 | ||
bff954e9 RS |
1057 | if (current_bss->level < 0 && current_bss->level > selected->level) { |
1058 | wpa_dbg(wpa_s, MSG_DEBUG, "Skip roam - Current BSS has better " | |
1059 | "signal level"); | |
1060 | return 0; | |
1061 | } | |
1062 | ||
48563d86 JM |
1063 | min_diff = 2; |
1064 | if (current_bss->level < 0) { | |
1065 | if (current_bss->level < -85) | |
1066 | min_diff = 1; | |
1067 | else if (current_bss->level < -80) | |
1068 | min_diff = 2; | |
1069 | else if (current_bss->level < -75) | |
1070 | min_diff = 3; | |
1071 | else if (current_bss->level < -70) | |
1072 | min_diff = 4; | |
1073 | else | |
1074 | min_diff = 5; | |
1075 | } | |
1076 | if (abs(current_bss->level - selected->level) < min_diff) { | |
f049052b BG |
1077 | wpa_dbg(wpa_s, MSG_DEBUG, "Skip roam - too small difference " |
1078 | "in signal level"); | |
48563d86 JM |
1079 | return 0; |
1080 | } | |
1081 | ||
1082 | return 1; | |
e9af53ad DS |
1083 | #else /* CONFIG_NO_ROAMING */ |
1084 | return 0; | |
1085 | #endif /* CONFIG_NO_ROAMING */ | |
48563d86 JM |
1086 | } |
1087 | ||
cd2f4ddf | 1088 | |
0dd54313 | 1089 | /* Return != 0 if no scan results could be fetched or if scan results should not |
10ac7ddf | 1090 | * be shared with other virtual interfaces. */ |
e1504976 | 1091 | static int _wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s, |
cfd31b50 JM |
1092 | union wpa_event_data *data, |
1093 | int own_request) | |
09b9df4e | 1094 | { |
a1fd2ce5 | 1095 | struct wpa_scan_results *scan_res; |
5bc0cdb7 | 1096 | int ap = 0; |
7b1aa4fe JM |
1097 | #ifndef CONFIG_NO_RANDOM_POOL |
1098 | size_t i, num; | |
1099 | #endif /* CONFIG_NO_RANDOM_POOL */ | |
5bc0cdb7 JM |
1100 | |
1101 | #ifdef CONFIG_AP | |
1102 | if (wpa_s->ap_iface) | |
1103 | ap = 1; | |
1104 | #endif /* CONFIG_AP */ | |
6fc6879b | 1105 | |
cb8564b1 DW |
1106 | wpa_supplicant_notify_scanning(wpa_s, 0); |
1107 | ||
39185dfa | 1108 | #ifdef CONFIG_P2P |
cfd31b50 | 1109 | if (own_request && wpa_s->global->p2p_cb_on_scan_complete && |
e665ca9a | 1110 | !wpa_s->global->p2p_disabled && |
4c490780 JM |
1111 | wpa_s->global->p2p != NULL && !wpa_s->sta_scan_pending && |
1112 | !wpa_s->scan_res_handler) { | |
e665ca9a | 1113 | wpa_s->global->p2p_cb_on_scan_complete = 0; |
39185dfa JM |
1114 | if (p2p_other_scan_completed(wpa_s->global->p2p) == 1) { |
1115 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Pending P2P operation " | |
1116 | "stopped scan processing"); | |
ab03f6da JM |
1117 | wpa_s->sta_scan_pending = 1; |
1118 | wpa_supplicant_req_scan(wpa_s, 5, 0); | |
39185dfa JM |
1119 | return -1; |
1120 | } | |
1121 | } | |
99fcd404 | 1122 | wpa_s->sta_scan_pending = 0; |
39185dfa JM |
1123 | #endif /* CONFIG_P2P */ |
1124 | ||
a1fd2ce5 JM |
1125 | scan_res = wpa_supplicant_get_scan_results(wpa_s, |
1126 | data ? &data->scan_info : | |
1127 | NULL, 1); | |
1128 | if (scan_res == NULL) { | |
66fe0f70 DS |
1129 | if (wpa_s->conf->ap_scan == 2 || ap || |
1130 | wpa_s->scan_res_handler == scan_only_handler) | |
e1504976 | 1131 | return -1; |
cfd31b50 JM |
1132 | if (!own_request) |
1133 | return -1; | |
f049052b BG |
1134 | wpa_dbg(wpa_s, MSG_DEBUG, "Failed to get scan results - try " |
1135 | "scanning again"); | |
977b1174 | 1136 | wpa_supplicant_req_new_scan(wpa_s, 1, 0); |
e1504976 | 1137 | return -1; |
6fc6879b JM |
1138 | } |
1139 | ||
bbb921da | 1140 | #ifndef CONFIG_NO_RANDOM_POOL |
bbb921da JM |
1141 | num = scan_res->num; |
1142 | if (num > 10) | |
1143 | num = 10; | |
1144 | for (i = 0; i < num; i++) { | |
1145 | u8 buf[5]; | |
1146 | struct wpa_scan_res *res = scan_res->res[i]; | |
1147 | buf[0] = res->bssid[5]; | |
1148 | buf[1] = res->qual & 0xff; | |
1149 | buf[2] = res->noise & 0xff; | |
1150 | buf[3] = res->level & 0xff; | |
1151 | buf[4] = res->tsf & 0xff; | |
1152 | random_add_randomness(buf, sizeof(buf)); | |
1153 | } | |
1154 | #endif /* CONFIG_NO_RANDOM_POOL */ | |
1155 | ||
cfd31b50 | 1156 | if (own_request && wpa_s->scan_res_handler) { |
860fddbb JB |
1157 | void (*scan_res_handler)(struct wpa_supplicant *wpa_s, |
1158 | struct wpa_scan_results *scan_res); | |
1159 | ||
1160 | scan_res_handler = wpa_s->scan_res_handler; | |
64e58f51 | 1161 | wpa_s->scan_res_handler = NULL; |
860fddbb JB |
1162 | scan_res_handler(wpa_s, scan_res); |
1163 | ||
64e58f51 | 1164 | wpa_scan_results_free(scan_res); |
10ac7ddf | 1165 | return -2; |
64e58f51 JM |
1166 | } |
1167 | ||
5bc0cdb7 | 1168 | if (ap) { |
f049052b | 1169 | wpa_dbg(wpa_s, MSG_DEBUG, "Ignore scan results in AP mode"); |
c202f19c JB |
1170 | #ifdef CONFIG_AP |
1171 | if (wpa_s->ap_iface->scan_cb) | |
1172 | wpa_s->ap_iface->scan_cb(wpa_s->ap_iface); | |
1173 | #endif /* CONFIG_AP */ | |
5bc0cdb7 | 1174 | wpa_scan_results_free(scan_res); |
e1504976 | 1175 | return 0; |
5bc0cdb7 JM |
1176 | } |
1177 | ||
f049052b | 1178 | wpa_dbg(wpa_s, MSG_DEBUG, "New scan results available"); |
24f76940 JM |
1179 | wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS); |
1180 | wpas_notify_scan_results(wpa_s); | |
6fc6879b | 1181 | |
8bac466b JM |
1182 | wpas_notify_scan_done(wpa_s, 1); |
1183 | ||
c3701c66 RM |
1184 | if (sme_proc_obss_scan(wpa_s) > 0) { |
1185 | wpa_scan_results_free(scan_res); | |
1186 | return 0; | |
1187 | } | |
1188 | ||
a1fd2ce5 JM |
1189 | if ((wpa_s->conf->ap_scan == 2 && !wpas_wps_searching(wpa_s))) { |
1190 | wpa_scan_results_free(scan_res); | |
e1504976 | 1191 | return 0; |
a1fd2ce5 | 1192 | } |
6fc6879b | 1193 | |
7c865c68 TB |
1194 | if (autoscan_notify_scan(wpa_s, scan_res)) { |
1195 | wpa_scan_results_free(scan_res); | |
1196 | return 0; | |
1197 | } | |
1198 | ||
3180d7a2 SO |
1199 | if (wpa_s->disconnected) { |
1200 | wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); | |
a1fd2ce5 | 1201 | wpa_scan_results_free(scan_res); |
e1504976 | 1202 | return 0; |
3180d7a2 SO |
1203 | } |
1204 | ||
22628eca JM |
1205 | if (!wpas_driver_bss_selection(wpa_s) && |
1206 | bgscan_notify_scan(wpa_s, scan_res) == 1) { | |
a1fd2ce5 | 1207 | wpa_scan_results_free(scan_res); |
e1504976 | 1208 | return 0; |
a1fd2ce5 JM |
1209 | } |
1210 | ||
f9f0526b JM |
1211 | wpas_wps_update_ap_info(wpa_s, scan_res); |
1212 | ||
20ed5e40 JM |
1213 | wpa_scan_results_free(scan_res); |
1214 | ||
a594e2a9 JM |
1215 | return wpas_select_network_from_last_scan(wpa_s); |
1216 | } | |
1217 | ||
1218 | ||
d6bbcce4 | 1219 | static int wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s) |
a594e2a9 JM |
1220 | { |
1221 | struct wpa_bss *selected; | |
1222 | struct wpa_ssid *ssid = NULL; | |
1223 | ||
620c7837 JM |
1224 | selected = wpa_supplicant_pick_network(wpa_s, &ssid); |
1225 | ||
6fc6879b | 1226 | if (selected) { |
48563d86 | 1227 | int skip; |
20ed5e40 | 1228 | skip = !wpa_supplicant_need_to_roam(wpa_s, selected, ssid); |
1bbff09e JM |
1229 | if (skip) { |
1230 | wpa_supplicant_rsn_preauth_scan_results(wpa_s); | |
e1504976 | 1231 | return 0; |
1bbff09e | 1232 | } |
5cbd88d9 JJ |
1233 | |
1234 | if (wpa_supplicant_connect(wpa_s, selected, ssid) < 0) { | |
1235 | wpa_dbg(wpa_s, MSG_DEBUG, "Connect failed"); | |
1236 | return -1; | |
1237 | } | |
6d28fb96 | 1238 | wpa_supplicant_rsn_preauth_scan_results(wpa_s); |
0dd54313 JM |
1239 | /* |
1240 | * Do not notify other virtual radios of scan results since we do not | |
1241 | * want them to start other associations at the same time. | |
1242 | */ | |
1243 | return 1; | |
6fc6879b | 1244 | } else { |
f049052b | 1245 | wpa_dbg(wpa_s, MSG_DEBUG, "No suitable network found"); |
b55aaa5f JM |
1246 | ssid = wpa_supplicant_pick_new_network(wpa_s); |
1247 | if (ssid) { | |
f049052b | 1248 | wpa_dbg(wpa_s, MSG_DEBUG, "Setup a new network"); |
b55aaa5f | 1249 | wpa_supplicant_associate(wpa_s, NULL, ssid); |
6d28fb96 | 1250 | wpa_supplicant_rsn_preauth_scan_results(wpa_s); |
977b1174 | 1251 | } else { |
67b9bd08 | 1252 | int timeout_sec = wpa_s->scan_interval; |
977b1174 | 1253 | int timeout_usec = 0; |
0817de90 | 1254 | #ifdef CONFIG_P2P |
aa9bb764 JM |
1255 | if (wpas_p2p_scan_no_go_seen(wpa_s) == 1) |
1256 | return 0; | |
1257 | ||
0817de90 JM |
1258 | if (wpa_s->p2p_in_provisioning) { |
1259 | /* | |
1260 | * Use shorter wait during P2P Provisioning | |
1261 | * state to speed up group formation. | |
1262 | */ | |
1263 | timeout_sec = 0; | |
1264 | timeout_usec = 250000; | |
a4cba8f1 LC |
1265 | wpa_supplicant_req_new_scan(wpa_s, timeout_sec, |
1266 | timeout_usec); | |
1267 | return 0; | |
0817de90 JM |
1268 | } |
1269 | #endif /* CONFIG_P2P */ | |
4d5bda5f JM |
1270 | #ifdef CONFIG_INTERWORKING |
1271 | if (wpa_s->conf->auto_interworking && | |
1272 | wpa_s->conf->interworking && | |
1273 | wpa_s->conf->cred) { | |
1274 | wpa_dbg(wpa_s, MSG_DEBUG, "Interworking: " | |
1275 | "start ANQP fetch since no matching " | |
1276 | "networks found"); | |
1277 | wpa_s->network_select = 1; | |
1278 | wpa_s->auto_network_select = 1; | |
1279 | interworking_start_fetch_anqp(wpa_s); | |
0dd54313 | 1280 | return 1; |
4d5bda5f JM |
1281 | } |
1282 | #endif /* CONFIG_INTERWORKING */ | |
a4cba8f1 LC |
1283 | if (wpa_supplicant_req_sched_scan(wpa_s)) |
1284 | wpa_supplicant_req_new_scan(wpa_s, timeout_sec, | |
1285 | timeout_usec); | |
977b1174 | 1286 | } |
6fc6879b | 1287 | } |
e1504976 | 1288 | return 0; |
6fc6879b | 1289 | } |
6859f1cb BG |
1290 | |
1291 | ||
1292 | static void wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s, | |
1293 | union wpa_event_data *data) | |
1294 | { | |
1295 | const char *rn, *rn2; | |
1296 | struct wpa_supplicant *ifs; | |
1297 | ||
cfd31b50 | 1298 | if (_wpa_supplicant_event_scan_results(wpa_s, data, 1) != 0) { |
e1504976 BG |
1299 | /* |
1300 | * If no scan results could be fetched, then no need to | |
1301 | * notify those interfaces that did not actually request | |
0dd54313 JM |
1302 | * this scan. Similarly, if scan results started a new operation on this |
1303 | * interface, do not notify other interfaces to avoid concurrent | |
1304 | * operations during a connection attempt. | |
e1504976 BG |
1305 | */ |
1306 | return; | |
1307 | } | |
6859f1cb BG |
1308 | |
1309 | /* | |
1310 | * Check other interfaces to see if they have the same radio-name. If | |
1311 | * so, they get updated with this same scan info. | |
1312 | */ | |
1313 | if (!wpa_s->driver->get_radio_name) | |
1314 | return; | |
1315 | ||
1316 | rn = wpa_s->driver->get_radio_name(wpa_s->drv_priv); | |
1317 | if (rn == NULL || rn[0] == '\0') | |
1318 | return; | |
1319 | ||
f049052b BG |
1320 | wpa_dbg(wpa_s, MSG_DEBUG, "Checking for other virtual interfaces " |
1321 | "sharing same radio (%s) in event_scan_results", rn); | |
6859f1cb BG |
1322 | |
1323 | for (ifs = wpa_s->global->ifaces; ifs; ifs = ifs->next) { | |
1324 | if (ifs == wpa_s || !ifs->driver->get_radio_name) | |
1325 | continue; | |
1326 | ||
1327 | rn2 = ifs->driver->get_radio_name(ifs->drv_priv); | |
1328 | if (rn2 && os_strcmp(rn, rn2) == 0) { | |
1329 | wpa_printf(MSG_DEBUG, "%s: Updating scan results from " | |
1330 | "sibling", ifs->ifname); | |
cfd31b50 | 1331 | _wpa_supplicant_event_scan_results(ifs, data, 0); |
6859f1cb BG |
1332 | } |
1333 | } | |
1334 | } | |
1335 | ||
6fc6879b JM |
1336 | #endif /* CONFIG_NO_SCAN_PROCESSING */ |
1337 | ||
1338 | ||
cecdddc1 PS |
1339 | int wpa_supplicant_fast_associate(struct wpa_supplicant *wpa_s) |
1340 | { | |
1341 | #ifdef CONFIG_NO_SCAN_PROCESSING | |
1342 | return -1; | |
1343 | #else /* CONFIG_NO_SCAN_PROCESSING */ | |
1344 | struct os_time now; | |
1345 | ||
1346 | if (wpa_s->last_scan_res_used <= 0) | |
1347 | return -1; | |
1348 | ||
1349 | os_get_time(&now); | |
1350 | if (now.sec - wpa_s->last_scan.sec > 5) { | |
1351 | wpa_printf(MSG_DEBUG, "Fast associate: Old scan results"); | |
1352 | return -1; | |
1353 | } | |
1354 | ||
1355 | return wpas_select_network_from_last_scan(wpa_s); | |
1356 | #endif /* CONFIG_NO_SCAN_PROCESSING */ | |
1357 | } | |
1358 | ||
b6668734 JM |
1359 | #ifdef CONFIG_WNM |
1360 | ||
1361 | static void wnm_bss_keep_alive(void *eloop_ctx, void *sock_ctx) | |
1362 | { | |
1363 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
1364 | ||
1365 | if (wpa_s->wpa_state < WPA_ASSOCIATED) | |
1366 | return; | |
1367 | ||
2ec535fd JM |
1368 | if (!wpa_s->no_keep_alive) { |
1369 | wpa_printf(MSG_DEBUG, "WNM: Send keep-alive to AP " MACSTR, | |
1370 | MAC2STR(wpa_s->bssid)); | |
1371 | /* TODO: could skip this if normal data traffic has been sent */ | |
1372 | /* TODO: Consider using some more appropriate data frame for | |
1373 | * this */ | |
1374 | if (wpa_s->l2) | |
1375 | l2_packet_send(wpa_s->l2, wpa_s->bssid, 0x0800, | |
1376 | (u8 *) "", 0); | |
1377 | } | |
b6668734 | 1378 | |
597c7a8d | 1379 | #ifdef CONFIG_SME |
b6668734 JM |
1380 | if (wpa_s->sme.bss_max_idle_period) { |
1381 | unsigned int msec; | |
1382 | msec = wpa_s->sme.bss_max_idle_period * 1024; /* times 1000 */ | |
1383 | if (msec > 100) | |
1384 | msec -= 100; | |
1385 | eloop_register_timeout(msec / 1000, msec % 1000 * 1000, | |
1386 | wnm_bss_keep_alive, wpa_s, NULL); | |
1387 | } | |
597c7a8d | 1388 | #endif /* CONFIG_SME */ |
b6668734 JM |
1389 | } |
1390 | ||
1391 | ||
1392 | static void wnm_process_assoc_resp(struct wpa_supplicant *wpa_s, | |
1393 | const u8 *ies, size_t ies_len) | |
1394 | { | |
1395 | struct ieee802_11_elems elems; | |
1396 | ||
1397 | if (ies == NULL) | |
1398 | return; | |
1399 | ||
1400 | if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed) | |
1401 | return; | |
1402 | ||
1403 | #ifdef CONFIG_SME | |
1404 | if (elems.bss_max_idle_period) { | |
1405 | unsigned int msec; | |
1406 | wpa_s->sme.bss_max_idle_period = | |
1407 | WPA_GET_LE16(elems.bss_max_idle_period); | |
1408 | wpa_printf(MSG_DEBUG, "WNM: BSS Max Idle Period: %u (* 1000 " | |
1409 | "TU)%s", wpa_s->sme.bss_max_idle_period, | |
1410 | (elems.bss_max_idle_period[2] & 0x01) ? | |
1411 | " (protected keep-live required)" : ""); | |
1412 | if (wpa_s->sme.bss_max_idle_period == 0) | |
1413 | wpa_s->sme.bss_max_idle_period = 1; | |
1414 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) { | |
1415 | eloop_cancel_timeout(wnm_bss_keep_alive, wpa_s, NULL); | |
1416 | /* msec times 1000 */ | |
1417 | msec = wpa_s->sme.bss_max_idle_period * 1024; | |
1418 | if (msec > 100) | |
1419 | msec -= 100; | |
1420 | eloop_register_timeout(msec / 1000, msec % 1000 * 1000, | |
1421 | wnm_bss_keep_alive, wpa_s, | |
1422 | NULL); | |
1423 | } | |
1424 | } | |
1425 | #endif /* CONFIG_SME */ | |
1426 | } | |
1427 | ||
1428 | #endif /* CONFIG_WNM */ | |
1429 | ||
1430 | ||
1431 | void wnm_bss_keep_alive_deinit(struct wpa_supplicant *wpa_s) | |
1432 | { | |
1433 | #ifdef CONFIG_WNM | |
1434 | eloop_cancel_timeout(wnm_bss_keep_alive, wpa_s, NULL); | |
1435 | #endif /* CONFIG_WNM */ | |
1436 | } | |
1437 | ||
1438 | ||
579ce771 JM |
1439 | static int wpa_supplicant_event_associnfo(struct wpa_supplicant *wpa_s, |
1440 | union wpa_event_data *data) | |
6fc6879b JM |
1441 | { |
1442 | int l, len, found = 0, wpa_found, rsn_found; | |
c2a04078 | 1443 | const u8 *p; |
b6714ca1 | 1444 | #ifdef CONFIG_IEEE80211R |
6a1ce395 | 1445 | u8 bssid[ETH_ALEN]; |
b6714ca1 | 1446 | #endif /* CONFIG_IEEE80211R */ |
6fc6879b | 1447 | |
f049052b | 1448 | wpa_dbg(wpa_s, MSG_DEBUG, "Association info event"); |
6fc6879b JM |
1449 | if (data->assoc_info.req_ies) |
1450 | wpa_hexdump(MSG_DEBUG, "req_ies", data->assoc_info.req_ies, | |
1451 | data->assoc_info.req_ies_len); | |
52c9e6f3 | 1452 | if (data->assoc_info.resp_ies) { |
6fc6879b JM |
1453 | wpa_hexdump(MSG_DEBUG, "resp_ies", data->assoc_info.resp_ies, |
1454 | data->assoc_info.resp_ies_len); | |
52c9e6f3 JM |
1455 | #ifdef CONFIG_TDLS |
1456 | wpa_tdls_assoc_resp_ies(wpa_s->wpa, data->assoc_info.resp_ies, | |
1457 | data->assoc_info.resp_ies_len); | |
1458 | #endif /* CONFIG_TDLS */ | |
b6668734 JM |
1459 | #ifdef CONFIG_WNM |
1460 | wnm_process_assoc_resp(wpa_s, data->assoc_info.resp_ies, | |
1461 | data->assoc_info.resp_ies_len); | |
1462 | #endif /* CONFIG_WNM */ | |
52c9e6f3 | 1463 | } |
6fc6879b JM |
1464 | if (data->assoc_info.beacon_ies) |
1465 | wpa_hexdump(MSG_DEBUG, "beacon_ies", | |
1466 | data->assoc_info.beacon_ies, | |
1467 | data->assoc_info.beacon_ies_len); | |
4832ecd7 | 1468 | if (data->assoc_info.freq) |
f049052b BG |
1469 | wpa_dbg(wpa_s, MSG_DEBUG, "freq=%u MHz", |
1470 | data->assoc_info.freq); | |
6fc6879b JM |
1471 | |
1472 | p = data->assoc_info.req_ies; | |
1473 | l = data->assoc_info.req_ies_len; | |
1474 | ||
1475 | /* Go through the IEs and make a copy of the WPA/RSN IE, if present. */ | |
1476 | while (p && l >= 2) { | |
1477 | len = p[1] + 2; | |
1478 | if (len > l) { | |
1479 | wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info", | |
1480 | p, l); | |
1481 | break; | |
1482 | } | |
1483 | if ((p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 && | |
1484 | (os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0)) || | |
1485 | (p[0] == WLAN_EID_RSN && p[1] >= 2)) { | |
1486 | if (wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, p, len)) | |
1487 | break; | |
1488 | found = 1; | |
1489 | wpa_find_assoc_pmkid(wpa_s); | |
1490 | break; | |
1491 | } | |
1492 | l -= len; | |
1493 | p += len; | |
1494 | } | |
1495 | if (!found && data->assoc_info.req_ies) | |
1496 | wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0); | |
1497 | ||
c2a04078 | 1498 | #ifdef CONFIG_IEEE80211R |
62c72d72 JM |
1499 | #ifdef CONFIG_SME |
1500 | if (wpa_s->sme.auth_alg == WPA_AUTH_ALG_FT) { | |
62c72d72 JM |
1501 | if (wpa_drv_get_bssid(wpa_s, bssid) < 0 || |
1502 | wpa_ft_validate_reassoc_resp(wpa_s->wpa, | |
1503 | data->assoc_info.resp_ies, | |
1504 | data->assoc_info.resp_ies_len, | |
1505 | bssid) < 0) { | |
f049052b BG |
1506 | wpa_dbg(wpa_s, MSG_DEBUG, "FT: Validation of " |
1507 | "Reassociation Response failed"); | |
579ce771 JM |
1508 | wpa_supplicant_deauthenticate( |
1509 | wpa_s, WLAN_REASON_INVALID_IE); | |
1510 | return -1; | |
62c72d72 JM |
1511 | } |
1512 | } | |
62c72d72 | 1513 | |
c2a04078 JM |
1514 | p = data->assoc_info.resp_ies; |
1515 | l = data->assoc_info.resp_ies_len; | |
1516 | ||
54f489be | 1517 | #ifdef CONFIG_WPS_STRICT |
5dac11e0 | 1518 | if (p && wpa_s->current_ssid && |
54f489be JM |
1519 | wpa_s->current_ssid->key_mgmt == WPA_KEY_MGMT_WPS) { |
1520 | struct wpabuf *wps; | |
1521 | wps = ieee802_11_vendor_ie_concat(p, l, WPS_IE_VENDOR_TYPE); | |
1522 | if (wps == NULL) { | |
f049052b BG |
1523 | wpa_msg(wpa_s, MSG_INFO, "WPS-STRICT: AP did not " |
1524 | "include WPS IE in (Re)Association Response"); | |
54f489be JM |
1525 | return -1; |
1526 | } | |
1527 | ||
1528 | if (wps_validate_assoc_resp(wps) < 0) { | |
1529 | wpabuf_free(wps); | |
1530 | wpa_supplicant_deauthenticate( | |
1531 | wpa_s, WLAN_REASON_INVALID_IE); | |
1532 | return -1; | |
1533 | } | |
1534 | wpabuf_free(wps); | |
1535 | } | |
1536 | #endif /* CONFIG_WPS_STRICT */ | |
1537 | ||
e7846b68 | 1538 | /* Go through the IEs and make a copy of the MDIE, if present. */ |
c2a04078 JM |
1539 | while (p && l >= 2) { |
1540 | len = p[1] + 2; | |
1541 | if (len > l) { | |
1542 | wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info", | |
1543 | p, l); | |
1544 | break; | |
1545 | } | |
e7846b68 JM |
1546 | if (p[0] == WLAN_EID_MOBILITY_DOMAIN && |
1547 | p[1] >= MOBILITY_DOMAIN_ID_LEN) { | |
1548 | wpa_s->sme.ft_used = 1; | |
1549 | os_memcpy(wpa_s->sme.mobility_domain, p + 2, | |
1550 | MOBILITY_DOMAIN_ID_LEN); | |
1551 | break; | |
1552 | } | |
c2a04078 JM |
1553 | l -= len; |
1554 | p += len; | |
1555 | } | |
e7846b68 | 1556 | #endif /* CONFIG_SME */ |
c2a04078 | 1557 | |
6a1ce395 DG |
1558 | /* Process FT when SME is in the driver */ |
1559 | if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) && | |
1560 | wpa_ft_is_completed(wpa_s->wpa)) { | |
1561 | if (wpa_drv_get_bssid(wpa_s, bssid) < 0 || | |
1562 | wpa_ft_validate_reassoc_resp(wpa_s->wpa, | |
1563 | data->assoc_info.resp_ies, | |
1564 | data->assoc_info.resp_ies_len, | |
1565 | bssid) < 0) { | |
1566 | wpa_dbg(wpa_s, MSG_DEBUG, "FT: Validation of " | |
1567 | "Reassociation Response failed"); | |
1568 | wpa_supplicant_deauthenticate( | |
1569 | wpa_s, WLAN_REASON_INVALID_IE); | |
1570 | return -1; | |
1571 | } | |
1572 | wpa_dbg(wpa_s, MSG_DEBUG, "FT: Reassociation Response done"); | |
1573 | } | |
1574 | ||
e7846b68 JM |
1575 | wpa_sm_set_ft_params(wpa_s->wpa, data->assoc_info.resp_ies, |
1576 | data->assoc_info.resp_ies_len); | |
c2a04078 JM |
1577 | #endif /* CONFIG_IEEE80211R */ |
1578 | ||
6fc6879b JM |
1579 | /* WPA/RSN IE from Beacon/ProbeResp */ |
1580 | p = data->assoc_info.beacon_ies; | |
1581 | l = data->assoc_info.beacon_ies_len; | |
1582 | ||
1583 | /* Go through the IEs and make a copy of the WPA/RSN IEs, if present. | |
1584 | */ | |
1585 | wpa_found = rsn_found = 0; | |
1586 | while (p && l >= 2) { | |
1587 | len = p[1] + 2; | |
1588 | if (len > l) { | |
1589 | wpa_hexdump(MSG_DEBUG, "Truncated IE in beacon_ies", | |
1590 | p, l); | |
1591 | break; | |
1592 | } | |
1593 | if (!wpa_found && | |
1594 | p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 && | |
1595 | os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0) { | |
1596 | wpa_found = 1; | |
1597 | wpa_sm_set_ap_wpa_ie(wpa_s->wpa, p, len); | |
1598 | } | |
1599 | ||
1600 | if (!rsn_found && | |
1601 | p[0] == WLAN_EID_RSN && p[1] >= 2) { | |
1602 | rsn_found = 1; | |
1603 | wpa_sm_set_ap_rsn_ie(wpa_s->wpa, p, len); | |
1604 | } | |
1605 | ||
1606 | l -= len; | |
1607 | p += len; | |
1608 | } | |
1609 | ||
1610 | if (!wpa_found && data->assoc_info.beacon_ies) | |
1611 | wpa_sm_set_ap_wpa_ie(wpa_s->wpa, NULL, 0); | |
1612 | if (!rsn_found && data->assoc_info.beacon_ies) | |
1613 | wpa_sm_set_ap_rsn_ie(wpa_s->wpa, NULL, 0); | |
1614 | if (wpa_found || rsn_found) | |
1615 | wpa_s->ap_ies_from_associnfo = 1; | |
4832ecd7 | 1616 | |
117e812d JM |
1617 | if (wpa_s->assoc_freq && data->assoc_info.freq && |
1618 | wpa_s->assoc_freq != data->assoc_info.freq) { | |
1619 | wpa_printf(MSG_DEBUG, "Operating frequency changed from " | |
1620 | "%u to %u MHz", | |
1621 | wpa_s->assoc_freq, data->assoc_info.freq); | |
1622 | wpa_supplicant_update_scan_results(wpa_s); | |
1623 | } | |
1624 | ||
4832ecd7 | 1625 | wpa_s->assoc_freq = data->assoc_info.freq; |
579ce771 JM |
1626 | |
1627 | return 0; | |
6fc6879b JM |
1628 | } |
1629 | ||
1630 | ||
cd2f4ddf SM |
1631 | static struct wpa_bss * wpa_supplicant_get_new_bss( |
1632 | struct wpa_supplicant *wpa_s, const u8 *bssid) | |
1633 | { | |
1634 | struct wpa_bss *bss = NULL; | |
1635 | struct wpa_ssid *ssid = wpa_s->current_ssid; | |
1636 | ||
1637 | if (ssid->ssid_len > 0) | |
1638 | bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len); | |
1639 | if (!bss) | |
1640 | bss = wpa_bss_get_bssid(wpa_s, bssid); | |
1641 | ||
1642 | return bss; | |
1643 | } | |
1644 | ||
1645 | ||
ad9ee4d4 JM |
1646 | static int wpa_supplicant_assoc_update_ie(struct wpa_supplicant *wpa_s) |
1647 | { | |
1648 | const u8 *bss_wpa = NULL, *bss_rsn = NULL; | |
1649 | ||
1650 | if (!wpa_s->current_bss || !wpa_s->current_ssid) | |
1651 | return -1; | |
1652 | ||
1653 | if (!wpa_key_mgmt_wpa_any(wpa_s->current_ssid->key_mgmt)) | |
1654 | return 0; | |
1655 | ||
1656 | bss_wpa = wpa_bss_get_vendor_ie(wpa_s->current_bss, | |
1657 | WPA_IE_VENDOR_TYPE); | |
1658 | bss_rsn = wpa_bss_get_ie(wpa_s->current_bss, WLAN_EID_RSN); | |
1659 | ||
1660 | if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, bss_wpa, | |
1661 | bss_wpa ? 2 + bss_wpa[1] : 0) || | |
1662 | wpa_sm_set_ap_rsn_ie(wpa_s->wpa, bss_rsn, | |
1663 | bss_rsn ? 2 + bss_rsn[1] : 0)) | |
1664 | return -1; | |
1665 | ||
1666 | return 0; | |
1667 | } | |
1668 | ||
1669 | ||
6fc6879b JM |
1670 | static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s, |
1671 | union wpa_event_data *data) | |
1672 | { | |
1673 | u8 bssid[ETH_ALEN]; | |
1d041bec | 1674 | int ft_completed; |
0194fedb | 1675 | struct wpa_driver_capa capa; |
6fc6879b | 1676 | |
1d041bec JM |
1677 | #ifdef CONFIG_AP |
1678 | if (wpa_s->ap_iface) { | |
1679 | hostapd_notif_assoc(wpa_s->ap_iface->bss[0], | |
1680 | data->assoc_info.addr, | |
1681 | data->assoc_info.req_ies, | |
39b08b5f SP |
1682 | data->assoc_info.req_ies_len, |
1683 | data->assoc_info.reassoc); | |
1d041bec JM |
1684 | return; |
1685 | } | |
1686 | #endif /* CONFIG_AP */ | |
1687 | ||
1688 | ft_completed = wpa_ft_is_completed(wpa_s->wpa); | |
579ce771 JM |
1689 | if (data && wpa_supplicant_event_associnfo(wpa_s, data) < 0) |
1690 | return; | |
6fc6879b | 1691 | |
0a0c38f6 MH |
1692 | if (wpa_drv_get_bssid(wpa_s, bssid) < 0) { |
1693 | wpa_dbg(wpa_s, MSG_ERROR, "Failed to get BSSID"); | |
07783eaa | 1694 | wpa_supplicant_deauthenticate( |
0a0c38f6 MH |
1695 | wpa_s, WLAN_REASON_DEAUTH_LEAVING); |
1696 | return; | |
1697 | } | |
1698 | ||
6fc6879b | 1699 | wpa_supplicant_set_state(wpa_s, WPA_ASSOCIATED); |
0a0c38f6 | 1700 | if (os_memcmp(bssid, wpa_s->bssid, ETH_ALEN) != 0) { |
f049052b | 1701 | wpa_dbg(wpa_s, MSG_DEBUG, "Associated to a new BSS: BSSID=" |
6fc6879b | 1702 | MACSTR, MAC2STR(bssid)); |
bbb921da | 1703 | random_add_randomness(bssid, ETH_ALEN); |
6fc6879b JM |
1704 | os_memcpy(wpa_s->bssid, bssid, ETH_ALEN); |
1705 | os_memset(wpa_s->pending_bssid, 0, ETH_ALEN); | |
e485286c | 1706 | wpas_notify_bssid_changed(wpa_s); |
8bac466b | 1707 | |
6fc6879b JM |
1708 | if (wpa_supplicant_dynamic_keys(wpa_s) && !ft_completed) { |
1709 | wpa_clear_keys(wpa_s, bssid); | |
1710 | } | |
1711 | if (wpa_supplicant_select_config(wpa_s) < 0) { | |
07783eaa | 1712 | wpa_supplicant_deauthenticate( |
6fc6879b JM |
1713 | wpa_s, WLAN_REASON_DEAUTH_LEAVING); |
1714 | return; | |
1715 | } | |
8f770587 JM |
1716 | if (wpa_s->current_ssid) { |
1717 | struct wpa_bss *bss = NULL; | |
cd2f4ddf SM |
1718 | |
1719 | bss = wpa_supplicant_get_new_bss(wpa_s, bssid); | |
1720 | if (!bss) { | |
1721 | wpa_supplicant_update_scan_results(wpa_s); | |
1722 | ||
1723 | /* Get the BSS from the new scan results */ | |
1724 | bss = wpa_supplicant_get_new_bss(wpa_s, bssid); | |
1725 | } | |
1726 | ||
8f770587 JM |
1727 | if (bss) |
1728 | wpa_s->current_bss = bss; | |
1729 | } | |
cd2f4ddf SM |
1730 | |
1731 | if (wpa_s->conf->ap_scan == 1 && | |
1732 | wpa_s->drv_flags & WPA_DRIVER_FLAGS_BSS_SELECTION) { | |
1733 | if (wpa_supplicant_assoc_update_ie(wpa_s) < 0) | |
1734 | wpa_msg(wpa_s, MSG_WARNING, | |
1735 | "WPA/RSN IEs not updated"); | |
1736 | } | |
6fc6879b JM |
1737 | } |
1738 | ||
62fa124c JM |
1739 | #ifdef CONFIG_SME |
1740 | os_memcpy(wpa_s->sme.prev_bssid, bssid, ETH_ALEN); | |
1741 | wpa_s->sme.prev_bssid_set = 1; | |
1742 | #endif /* CONFIG_SME */ | |
1743 | ||
6fc6879b JM |
1744 | wpa_msg(wpa_s, MSG_INFO, "Associated with " MACSTR, MAC2STR(bssid)); |
1745 | if (wpa_s->current_ssid) { | |
1746 | /* When using scanning (ap_scan=1), SIM PC/SC interface can be | |
1747 | * initialized before association, but for other modes, | |
1748 | * initialize PC/SC here, if the current configuration needs | |
1749 | * smartcard or SIM/USIM. */ | |
1750 | wpa_supplicant_scard_init(wpa_s, wpa_s->current_ssid); | |
1751 | } | |
1752 | wpa_sm_notify_assoc(wpa_s->wpa, bssid); | |
3f967fe0 JM |
1753 | if (wpa_s->l2) |
1754 | l2_packet_notify_auth_start(wpa_s->l2); | |
6fc6879b JM |
1755 | |
1756 | /* | |
1757 | * Set portEnabled first to FALSE in order to get EAP state machine out | |
1758 | * of the SUCCESS state and eapSuccess cleared. Without this, EAPOL PAE | |
1759 | * state machine may transit to AUTHENTICATING state based on obsolete | |
1760 | * eapSuccess and then trigger BE_AUTH to SUCCESS and PAE to | |
1761 | * AUTHENTICATED without ever giving chance to EAP state machine to | |
1762 | * reset the state. | |
1763 | */ | |
1764 | if (!ft_completed) { | |
1765 | eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE); | |
1766 | eapol_sm_notify_portValid(wpa_s->eapol, FALSE); | |
1767 | } | |
56586197 | 1768 | if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) || ft_completed) |
6fc6879b JM |
1769 | eapol_sm_notify_eap_success(wpa_s->eapol, FALSE); |
1770 | /* 802.1X::portControl = Auto */ | |
1771 | eapol_sm_notify_portEnabled(wpa_s->eapol, TRUE); | |
1772 | wpa_s->eapol_received = 0; | |
1773 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE || | |
9c972abb JM |
1774 | wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE || |
1775 | (wpa_s->current_ssid && | |
1776 | wpa_s->current_ssid->mode == IEEE80211_MODE_IBSS)) { | |
6fc6879b JM |
1777 | wpa_supplicant_cancel_auth_timeout(wpa_s); |
1778 | wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); | |
1779 | } else if (!ft_completed) { | |
1780 | /* Timeout for receiving the first EAPOL packet */ | |
1781 | wpa_supplicant_req_auth_timeout(wpa_s, 10, 0); | |
1782 | } | |
1783 | wpa_supplicant_cancel_scan(wpa_s); | |
1784 | ||
c2a04078 | 1785 | if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) && |
56586197 | 1786 | wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) { |
6fc6879b JM |
1787 | /* |
1788 | * We are done; the driver will take care of RSN 4-way | |
1789 | * handshake. | |
1790 | */ | |
1791 | wpa_supplicant_cancel_auth_timeout(wpa_s); | |
1792 | wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); | |
1793 | eapol_sm_notify_portValid(wpa_s->eapol, TRUE); | |
1794 | eapol_sm_notify_eap_success(wpa_s->eapol, TRUE); | |
98ea9431 JM |
1795 | } else if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) && |
1796 | wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) { | |
1797 | /* | |
1798 | * The driver will take care of RSN 4-way handshake, so we need | |
1799 | * to allow EAPOL supplicant to complete its work without | |
1800 | * waiting for WPA supplicant. | |
1801 | */ | |
1802 | eapol_sm_notify_portValid(wpa_s->eapol, TRUE); | |
16a83d29 JM |
1803 | } else if (ft_completed) { |
1804 | /* | |
1805 | * FT protocol completed - make sure EAPOL state machine ends | |
1806 | * up in authenticated. | |
1807 | */ | |
1808 | wpa_supplicant_cancel_auth_timeout(wpa_s); | |
1809 | wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); | |
1810 | eapol_sm_notify_portValid(wpa_s->eapol, TRUE); | |
1811 | eapol_sm_notify_eap_success(wpa_s->eapol, TRUE); | |
6fc6879b | 1812 | } |
1ff73338 | 1813 | |
3ab35a66 JM |
1814 | wpa_s->last_eapol_matches_bssid = 0; |
1815 | ||
1ff73338 JM |
1816 | if (wpa_s->pending_eapol_rx) { |
1817 | struct os_time now, age; | |
1818 | os_get_time(&now); | |
1819 | os_time_sub(&now, &wpa_s->pending_eapol_rx_time, &age); | |
1820 | if (age.sec == 0 && age.usec < 100000 && | |
1821 | os_memcmp(wpa_s->pending_eapol_rx_src, bssid, ETH_ALEN) == | |
1822 | 0) { | |
f049052b BG |
1823 | wpa_dbg(wpa_s, MSG_DEBUG, "Process pending EAPOL " |
1824 | "frame that was received just before " | |
1825 | "association notification"); | |
1ff73338 JM |
1826 | wpa_supplicant_rx_eapol( |
1827 | wpa_s, wpa_s->pending_eapol_rx_src, | |
1828 | wpabuf_head(wpa_s->pending_eapol_rx), | |
1829 | wpabuf_len(wpa_s->pending_eapol_rx)); | |
1830 | } | |
1831 | wpabuf_free(wpa_s->pending_eapol_rx); | |
1832 | wpa_s->pending_eapol_rx = NULL; | |
1833 | } | |
60b94c98 | 1834 | |
0194fedb JB |
1835 | if ((wpa_s->key_mgmt == WPA_KEY_MGMT_NONE || |
1836 | wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) && | |
1837 | wpa_s->current_ssid && wpa_drv_get_capa(wpa_s, &capa) == 0 && | |
1838 | capa.flags & WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE) { | |
1839 | /* Set static WEP keys again */ | |
1840 | wpa_set_wep_keys(wpa_s, wpa_s->current_ssid); | |
1841 | } | |
50b05780 JM |
1842 | |
1843 | #ifdef CONFIG_IBSS_RSN | |
1844 | if (wpa_s->current_ssid && | |
1845 | wpa_s->current_ssid->mode == WPAS_MODE_IBSS && | |
1846 | wpa_s->key_mgmt != WPA_KEY_MGMT_NONE && | |
78177a00 JM |
1847 | wpa_s->key_mgmt != WPA_KEY_MGMT_WPA_NONE && |
1848 | wpa_s->ibss_rsn == NULL) { | |
1849 | wpa_s->ibss_rsn = ibss_rsn_init(wpa_s); | |
1850 | if (!wpa_s->ibss_rsn) { | |
1851 | wpa_msg(wpa_s, MSG_INFO, "Failed to init IBSS RSN"); | |
1852 | wpa_supplicant_deauthenticate( | |
1853 | wpa_s, WLAN_REASON_DEAUTH_LEAVING); | |
1854 | return; | |
1855 | } | |
1856 | ||
1857 | ibss_rsn_set_psk(wpa_s->ibss_rsn, wpa_s->current_ssid->psk); | |
1858 | } | |
50b05780 | 1859 | #endif /* CONFIG_IBSS_RSN */ |
f9f0526b JM |
1860 | |
1861 | wpas_wps_notify_assoc(wpa_s, bssid); | |
6fc6879b JM |
1862 | } |
1863 | ||
1864 | ||
d00821e9 JM |
1865 | static int disconnect_reason_recoverable(u16 reason_code) |
1866 | { | |
1867 | return reason_code == WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY || | |
1868 | reason_code == WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA || | |
1869 | reason_code == WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA; | |
1870 | } | |
1871 | ||
1872 | ||
0544b242 | 1873 | static void wpa_supplicant_event_disassoc(struct wpa_supplicant *wpa_s, |
3d9975d5 JM |
1874 | u16 reason_code, |
1875 | int locally_generated) | |
6fc6879b JM |
1876 | { |
1877 | const u8 *bssid; | |
0aadd568 JM |
1878 | |
1879 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) { | |
1880 | /* | |
1881 | * At least Host AP driver and a Prism3 card seemed to be | |
1882 | * generating streams of disconnected events when configuring | |
1883 | * IBSS for WPA-None. Ignore them for now. | |
1884 | */ | |
1885 | return; | |
1886 | } | |
1887 | ||
1888 | bssid = wpa_s->bssid; | |
1889 | if (is_zero_ether_addr(bssid)) | |
1890 | bssid = wpa_s->pending_bssid; | |
1891 | ||
1892 | if (!is_zero_ether_addr(bssid) || | |
1893 | wpa_s->wpa_state >= WPA_AUTHENTICATING) { | |
1894 | wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR | |
1895 | " reason=%d%s", | |
1896 | MAC2STR(bssid), reason_code, | |
1897 | locally_generated ? " locally_generated=1" : ""); | |
1898 | } | |
1899 | } | |
1900 | ||
1901 | ||
c9a82218 JM |
1902 | static int could_be_psk_mismatch(struct wpa_supplicant *wpa_s, u16 reason_code, |
1903 | int locally_generated) | |
1904 | { | |
1905 | if (wpa_s->wpa_state != WPA_4WAY_HANDSHAKE || | |
1906 | !wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) | |
1907 | return 0; /* Not in 4-way handshake with PSK */ | |
1908 | ||
1909 | /* | |
1910 | * It looks like connection was lost while trying to go through PSK | |
1911 | * 4-way handshake. Filter out known disconnection cases that are caused | |
1912 | * by something else than PSK mismatch to avoid confusing reports. | |
1913 | */ | |
1914 | ||
1915 | if (locally_generated) { | |
1916 | if (reason_code == WLAN_REASON_IE_IN_4WAY_DIFFERS) | |
1917 | return 0; | |
1918 | } | |
1919 | ||
1920 | return 1; | |
1921 | } | |
1922 | ||
1923 | ||
0aadd568 JM |
1924 | static void wpa_supplicant_event_disassoc_finish(struct wpa_supplicant *wpa_s, |
1925 | u16 reason_code, | |
1926 | int locally_generated) | |
1927 | { | |
1928 | const u8 *bssid; | |
6d6f4bb8 JM |
1929 | int authenticating; |
1930 | u8 prev_pending_bssid[ETH_ALEN]; | |
d00821e9 JM |
1931 | struct wpa_bss *fast_reconnect = NULL; |
1932 | struct wpa_ssid *fast_reconnect_ssid = NULL; | |
bcdf2096 | 1933 | struct wpa_ssid *last_ssid; |
6d6f4bb8 JM |
1934 | |
1935 | authenticating = wpa_s->wpa_state == WPA_AUTHENTICATING; | |
1936 | os_memcpy(prev_pending_bssid, wpa_s->pending_bssid, ETH_ALEN); | |
6fc6879b JM |
1937 | |
1938 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) { | |
1939 | /* | |
1940 | * At least Host AP driver and a Prism3 card seemed to be | |
1941 | * generating streams of disconnected events when configuring | |
1942 | * IBSS for WPA-None. Ignore them for now. | |
1943 | */ | |
f049052b BG |
1944 | wpa_dbg(wpa_s, MSG_DEBUG, "Disconnect event - ignore in " |
1945 | "IBSS/WPA-None mode"); | |
6fc6879b JM |
1946 | return; |
1947 | } | |
1948 | ||
c9a82218 | 1949 | if (could_be_psk_mismatch(wpa_s, reason_code, locally_generated)) { |
6fc6879b JM |
1950 | wpa_msg(wpa_s, MSG_INFO, "WPA: 4-Way Handshake failed - " |
1951 | "pre-shared key may be incorrect"); | |
00e5e3d5 | 1952 | wpas_auth_failed(wpa_s); |
6fc6879b | 1953 | } |
0d0a8ca1 AC |
1954 | if (!wpa_s->auto_reconnect_disabled || |
1955 | wpa_s->key_mgmt == WPA_KEY_MGMT_WPS) { | |
d00821e9 | 1956 | wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect enabled: try to " |
f7da5a9e JM |
1957 | "reconnect (wps=%d wpa_state=%d)", |
1958 | wpa_s->key_mgmt == WPA_KEY_MGMT_WPS, | |
1959 | wpa_s->wpa_state); | |
d00821e9 JM |
1960 | if (wpa_s->wpa_state == WPA_COMPLETED && |
1961 | wpa_s->current_ssid && | |
1962 | wpa_s->current_ssid->mode == WPAS_MODE_INFRA && | |
3d9975d5 | 1963 | !locally_generated && |
d00821e9 JM |
1964 | disconnect_reason_recoverable(reason_code)) { |
1965 | /* | |
1966 | * It looks like the AP has dropped association with | |
1967 | * us, but could allow us to get back in. Try to | |
1968 | * reconnect to the same BSS without full scan to save | |
1969 | * time for some common cases. | |
1970 | */ | |
1971 | fast_reconnect = wpa_s->current_bss; | |
1972 | fast_reconnect_ssid = wpa_s->current_ssid; | |
1973 | } else if (wpa_s->wpa_state >= WPA_ASSOCIATING) | |
0d0a8ca1 | 1974 | wpa_supplicant_req_scan(wpa_s, 0, 100000); |
f7da5a9e JM |
1975 | else |
1976 | wpa_dbg(wpa_s, MSG_DEBUG, "Do not request new " | |
1977 | "immediate scan"); | |
0d0a8ca1 | 1978 | } else { |
d00821e9 | 1979 | wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect disabled: do not " |
f049052b | 1980 | "try to re-connect"); |
0d0a8ca1 AC |
1981 | wpa_s->reassociate = 0; |
1982 | wpa_s->disconnected = 1; | |
433cd2ce | 1983 | wpa_supplicant_cancel_sched_scan(wpa_s); |
0d0a8ca1 | 1984 | } |
6fc6879b | 1985 | bssid = wpa_s->bssid; |
a8e16edc | 1986 | if (is_zero_ether_addr(bssid)) |
6fc6879b | 1987 | bssid = wpa_s->pending_bssid; |
56d24b4e JM |
1988 | if (wpa_s->wpa_state >= WPA_AUTHENTICATING) |
1989 | wpas_connection_failed(wpa_s, bssid); | |
6fc6879b | 1990 | wpa_sm_notify_disassoc(wpa_s->wpa); |
0bb1e425 GM |
1991 | if (locally_generated) |
1992 | wpa_s->disconnect_reason = -reason_code; | |
1993 | else | |
1994 | wpa_s->disconnect_reason = reason_code; | |
1995 | wpas_notify_disconnect_reason(wpa_s); | |
6fc6879b | 1996 | if (wpa_supplicant_dynamic_keys(wpa_s)) { |
f049052b | 1997 | wpa_dbg(wpa_s, MSG_DEBUG, "Disconnect event - remove keys"); |
6fc6879b JM |
1998 | wpa_s->keys_cleared = 0; |
1999 | wpa_clear_keys(wpa_s, wpa_s->bssid); | |
2000 | } | |
bcdf2096 | 2001 | last_ssid = wpa_s->current_ssid; |
6fc6879b | 2002 | wpa_supplicant_mark_disassoc(wpa_s); |
e29853bb | 2003 | |
bcdf2096 | 2004 | if (authenticating && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)) { |
e29853bb | 2005 | sme_disassoc_while_authenticating(wpa_s, prev_pending_bssid); |
bcdf2096 JM |
2006 | wpa_s->current_ssid = last_ssid; |
2007 | } | |
d00821e9 JM |
2008 | |
2009 | if (fast_reconnect) { | |
5928411e | 2010 | #ifndef CONFIG_NO_SCAN_PROCESSING |
d00821e9 JM |
2011 | wpa_dbg(wpa_s, MSG_DEBUG, "Try to reconnect to the same BSS"); |
2012 | if (wpa_supplicant_connect(wpa_s, fast_reconnect, | |
2013 | fast_reconnect_ssid) < 0) { | |
2014 | /* Recover through full scan */ | |
2015 | wpa_supplicant_req_scan(wpa_s, 0, 100000); | |
2016 | } | |
5928411e | 2017 | #endif /* CONFIG_NO_SCAN_PROCESSING */ |
d00821e9 | 2018 | } |
6fc6879b JM |
2019 | } |
2020 | ||
2021 | ||
46690a3b | 2022 | #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT |
01a17491 | 2023 | void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx, void *sock_ctx) |
46690a3b JM |
2024 | { |
2025 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
2026 | ||
2027 | if (!wpa_s->pending_mic_error_report) | |
2028 | return; | |
2029 | ||
f049052b | 2030 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Sending pending MIC error report"); |
46690a3b JM |
2031 | wpa_sm_key_request(wpa_s->wpa, 1, wpa_s->pending_mic_error_pairwise); |
2032 | wpa_s->pending_mic_error_report = 0; | |
2033 | } | |
2034 | #endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */ | |
2035 | ||
2036 | ||
6fc6879b JM |
2037 | static void |
2038 | wpa_supplicant_event_michael_mic_failure(struct wpa_supplicant *wpa_s, | |
2039 | union wpa_event_data *data) | |
2040 | { | |
2041 | int pairwise; | |
2042 | struct os_time t; | |
2043 | ||
2044 | wpa_msg(wpa_s, MSG_WARNING, "Michael MIC failure detected"); | |
2045 | pairwise = (data && data->michael_mic_failure.unicast); | |
6fc6879b | 2046 | os_get_time(&t); |
46690a3b JM |
2047 | if ((wpa_s->last_michael_mic_error && |
2048 | t.sec - wpa_s->last_michael_mic_error <= 60) || | |
2049 | wpa_s->pending_mic_error_report) { | |
2050 | if (wpa_s->pending_mic_error_report) { | |
2051 | /* | |
2052 | * Send the pending MIC error report immediately since | |
2053 | * we are going to start countermeasures and AP better | |
2054 | * do the same. | |
2055 | */ | |
2056 | wpa_sm_key_request(wpa_s->wpa, 1, | |
2057 | wpa_s->pending_mic_error_pairwise); | |
2058 | } | |
2059 | ||
2060 | /* Send the new MIC error report immediately since we are going | |
2061 | * to start countermeasures and AP better do the same. | |
2062 | */ | |
2063 | wpa_sm_key_request(wpa_s->wpa, 1, pairwise); | |
2064 | ||
6fc6879b JM |
2065 | /* initialize countermeasures */ |
2066 | wpa_s->countermeasures = 1; | |
8945cc45 BM |
2067 | |
2068 | wpa_blacklist_add(wpa_s, wpa_s->bssid); | |
2069 | ||
6fc6879b JM |
2070 | wpa_msg(wpa_s, MSG_WARNING, "TKIP countermeasures started"); |
2071 | ||
2072 | /* | |
2073 | * Need to wait for completion of request frame. We do not get | |
2074 | * any callback for the message completion, so just wait a | |
2075 | * short while and hope for the best. */ | |
2076 | os_sleep(0, 10000); | |
2077 | ||
2078 | wpa_drv_set_countermeasures(wpa_s, 1); | |
2079 | wpa_supplicant_deauthenticate(wpa_s, | |
2080 | WLAN_REASON_MICHAEL_MIC_FAILURE); | |
2081 | eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, | |
2082 | wpa_s, NULL); | |
2083 | eloop_register_timeout(60, 0, | |
2084 | wpa_supplicant_stop_countermeasures, | |
2085 | wpa_s, NULL); | |
2086 | /* TODO: mark the AP rejected for 60 second. STA is | |
2087 | * allowed to associate with another AP.. */ | |
46690a3b JM |
2088 | } else { |
2089 | #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT | |
2090 | if (wpa_s->mic_errors_seen) { | |
2091 | /* | |
2092 | * Reduce the effectiveness of Michael MIC error | |
2093 | * reports as a means for attacking against TKIP if | |
2094 | * more than one MIC failure is noticed with the same | |
2095 | * PTK. We delay the transmission of the reports by a | |
2096 | * random time between 0 and 60 seconds in order to | |
2097 | * force the attacker wait 60 seconds before getting | |
2098 | * the information on whether a frame resulted in a MIC | |
2099 | * failure. | |
2100 | */ | |
2101 | u8 rval[4]; | |
2102 | int sec; | |
2103 | ||
2104 | if (os_get_random(rval, sizeof(rval)) < 0) | |
2105 | sec = os_random() % 60; | |
2106 | else | |
2107 | sec = WPA_GET_BE32(rval) % 60; | |
f049052b BG |
2108 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Delay MIC error " |
2109 | "report %d seconds", sec); | |
46690a3b JM |
2110 | wpa_s->pending_mic_error_report = 1; |
2111 | wpa_s->pending_mic_error_pairwise = pairwise; | |
2112 | eloop_cancel_timeout( | |
2113 | wpa_supplicant_delayed_mic_error_report, | |
2114 | wpa_s, NULL); | |
2115 | eloop_register_timeout( | |
2116 | sec, os_random() % 1000000, | |
2117 | wpa_supplicant_delayed_mic_error_report, | |
2118 | wpa_s, NULL); | |
2119 | } else { | |
2120 | wpa_sm_key_request(wpa_s->wpa, 1, pairwise); | |
2121 | } | |
2122 | #else /* CONFIG_DELAYED_MIC_ERROR_REPORT */ | |
2123 | wpa_sm_key_request(wpa_s->wpa, 1, pairwise); | |
2124 | #endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */ | |
6fc6879b JM |
2125 | } |
2126 | wpa_s->last_michael_mic_error = t.sec; | |
46690a3b | 2127 | wpa_s->mic_errors_seen++; |
6fc6879b JM |
2128 | } |
2129 | ||
2130 | ||
a83d9c96 SL |
2131 | #ifdef CONFIG_TERMINATE_ONLASTIF |
2132 | static int any_interfaces(struct wpa_supplicant *head) | |
2133 | { | |
2134 | struct wpa_supplicant *wpa_s; | |
2135 | ||
2136 | for (wpa_s = head; wpa_s != NULL; wpa_s = wpa_s->next) | |
2137 | if (!wpa_s->interface_removed) | |
2138 | return 1; | |
2139 | return 0; | |
2140 | } | |
2141 | #endif /* CONFIG_TERMINATE_ONLASTIF */ | |
2142 | ||
2143 | ||
6fc6879b JM |
2144 | static void |
2145 | wpa_supplicant_event_interface_status(struct wpa_supplicant *wpa_s, | |
2146 | union wpa_event_data *data) | |
2147 | { | |
2148 | if (os_strcmp(wpa_s->ifname, data->interface_status.ifname) != 0) | |
2149 | return; | |
2150 | ||
2151 | switch (data->interface_status.ievent) { | |
2152 | case EVENT_INTERFACE_ADDED: | |
2153 | if (!wpa_s->interface_removed) | |
2154 | break; | |
2155 | wpa_s->interface_removed = 0; | |
f049052b | 2156 | wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was added"); |
6fc6879b | 2157 | if (wpa_supplicant_driver_init(wpa_s) < 0) { |
f049052b BG |
2158 | wpa_msg(wpa_s, MSG_INFO, "Failed to initialize the " |
2159 | "driver after interface was added"); | |
6fc6879b | 2160 | } |
cb6710a4 | 2161 | wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); |
6fc6879b JM |
2162 | break; |
2163 | case EVENT_INTERFACE_REMOVED: | |
f049052b | 2164 | wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was removed"); |
6fc6879b JM |
2165 | wpa_s->interface_removed = 1; |
2166 | wpa_supplicant_mark_disassoc(wpa_s); | |
cb6710a4 | 2167 | wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED); |
6fc6879b JM |
2168 | l2_packet_deinit(wpa_s->l2); |
2169 | wpa_s->l2 = NULL; | |
ea244d21 | 2170 | #ifdef CONFIG_IBSS_RSN |
78177a00 JM |
2171 | ibss_rsn_deinit(wpa_s->ibss_rsn); |
2172 | wpa_s->ibss_rsn = NULL; | |
ea244d21 | 2173 | #endif /* CONFIG_IBSS_RSN */ |
a83d9c96 SL |
2174 | #ifdef CONFIG_TERMINATE_ONLASTIF |
2175 | /* check if last interface */ | |
2176 | if (!any_interfaces(wpa_s->global->ifaces)) | |
2177 | eloop_terminate(); | |
2178 | #endif /* CONFIG_TERMINATE_ONLASTIF */ | |
6fc6879b JM |
2179 | break; |
2180 | } | |
2181 | } | |
2182 | ||
2183 | ||
2184 | #ifdef CONFIG_PEERKEY | |
2185 | static void | |
2186 | wpa_supplicant_event_stkstart(struct wpa_supplicant *wpa_s, | |
2187 | union wpa_event_data *data) | |
2188 | { | |
2189 | if (data == NULL) | |
2190 | return; | |
2191 | wpa_sm_stkstart(wpa_s->wpa, data->stkstart.peer); | |
2192 | } | |
2193 | #endif /* CONFIG_PEERKEY */ | |
2194 | ||
2195 | ||
281ff0aa GP |
2196 | #ifdef CONFIG_TDLS |
2197 | static void wpa_supplicant_event_tdls(struct wpa_supplicant *wpa_s, | |
2198 | union wpa_event_data *data) | |
2199 | { | |
2200 | if (data == NULL) | |
2201 | return; | |
2202 | switch (data->tdls.oper) { | |
2203 | case TDLS_REQUEST_SETUP: | |
3887878e SD |
2204 | wpa_tdls_remove(wpa_s->wpa, data->tdls.peer); |
2205 | if (wpa_tdls_is_external_setup(wpa_s->wpa)) | |
2206 | wpa_tdls_start(wpa_s->wpa, data->tdls.peer); | |
2207 | else | |
2208 | wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, data->tdls.peer); | |
281ff0aa GP |
2209 | break; |
2210 | case TDLS_REQUEST_TEARDOWN: | |
f2e698de | 2211 | wpa_tdls_teardown_link(wpa_s->wpa, data->tdls.peer, |
7de27409 | 2212 | data->tdls.reason_code); |
281ff0aa GP |
2213 | break; |
2214 | } | |
2215 | } | |
2216 | #endif /* CONFIG_TDLS */ | |
2217 | ||
2218 | ||
ad3872a3 | 2219 | #ifdef CONFIG_WNM |
75cad1a0 XC |
2220 | static void wpa_supplicant_event_wnm(struct wpa_supplicant *wpa_s, |
2221 | union wpa_event_data *data) | |
2222 | { | |
2223 | if (data == NULL) | |
2224 | return; | |
2225 | switch (data->wnm.oper) { | |
2226 | case WNM_OPER_SLEEP: | |
2227 | wpa_printf(MSG_DEBUG, "Start sending WNM-Sleep Request " | |
2228 | "(action=%d, intval=%d)", | |
2229 | data->wnm.sleep_action, data->wnm.sleep_intval); | |
2230 | ieee802_11_send_wnmsleep_req(wpa_s, data->wnm.sleep_action, | |
cd0ef657 | 2231 | data->wnm.sleep_intval, NULL); |
75cad1a0 XC |
2232 | break; |
2233 | } | |
2234 | } | |
ad3872a3 | 2235 | #endif /* CONFIG_WNM */ |
75cad1a0 XC |
2236 | |
2237 | ||
6fc6879b JM |
2238 | #ifdef CONFIG_IEEE80211R |
2239 | static void | |
2240 | wpa_supplicant_event_ft_response(struct wpa_supplicant *wpa_s, | |
2241 | union wpa_event_data *data) | |
2242 | { | |
2243 | if (data == NULL) | |
2244 | return; | |
2245 | ||
2246 | if (wpa_ft_process_response(wpa_s->wpa, data->ft_ies.ies, | |
2247 | data->ft_ies.ies_len, | |
2248 | data->ft_ies.ft_action, | |
babfbf15 JM |
2249 | data->ft_ies.target_ap, |
2250 | data->ft_ies.ric_ies, | |
2251 | data->ft_ies.ric_ies_len) < 0) { | |
6fc6879b JM |
2252 | /* TODO: prevent MLME/driver from trying to associate? */ |
2253 | } | |
2254 | } | |
2255 | #endif /* CONFIG_IEEE80211R */ | |
2256 | ||
2257 | ||
11ef8d35 JM |
2258 | #ifdef CONFIG_IBSS_RSN |
2259 | static void wpa_supplicant_event_ibss_rsn_start(struct wpa_supplicant *wpa_s, | |
2260 | union wpa_event_data *data) | |
2261 | { | |
df4bc509 | 2262 | struct wpa_ssid *ssid; |
df418245 XC |
2263 | if (wpa_s->wpa_state < WPA_ASSOCIATED) |
2264 | return; | |
11ef8d35 JM |
2265 | if (data == NULL) |
2266 | return; | |
df4bc509 JM |
2267 | ssid = wpa_s->current_ssid; |
2268 | if (ssid == NULL) | |
2269 | return; | |
2270 | if (ssid->mode != WPAS_MODE_IBSS || !wpa_key_mgmt_wpa(ssid->key_mgmt)) | |
2271 | return; | |
2272 | ||
11ef8d35 JM |
2273 | ibss_rsn_start(wpa_s->ibss_rsn, data->ibss_rsn_start.peer); |
2274 | } | |
2275 | #endif /* CONFIG_IBSS_RSN */ | |
2276 | ||
2277 | ||
036f7c4a JM |
2278 | #ifdef CONFIG_IEEE80211R |
2279 | static void ft_rx_action(struct wpa_supplicant *wpa_s, const u8 *data, | |
2280 | size_t len) | |
2281 | { | |
2282 | const u8 *sta_addr, *target_ap_addr; | |
2283 | u16 status; | |
2284 | ||
2285 | wpa_hexdump(MSG_MSGDUMP, "FT: RX Action", data, len); | |
2286 | if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)) | |
2287 | return; /* only SME case supported for now */ | |
2288 | if (len < 1 + 2 * ETH_ALEN + 2) | |
2289 | return; | |
2290 | if (data[0] != 2) | |
2291 | return; /* Only FT Action Response is supported for now */ | |
2292 | sta_addr = data + 1; | |
2293 | target_ap_addr = data + 1 + ETH_ALEN; | |
2294 | status = WPA_GET_LE16(data + 1 + 2 * ETH_ALEN); | |
f049052b BG |
2295 | wpa_dbg(wpa_s, MSG_DEBUG, "FT: Received FT Action Response: STA " |
2296 | MACSTR " TargetAP " MACSTR " status %u", | |
2297 | MAC2STR(sta_addr), MAC2STR(target_ap_addr), status); | |
036f7c4a JM |
2298 | |
2299 | if (os_memcmp(sta_addr, wpa_s->own_addr, ETH_ALEN) != 0) { | |
f049052b BG |
2300 | wpa_dbg(wpa_s, MSG_DEBUG, "FT: Foreign STA Address " MACSTR |
2301 | " in FT Action Response", MAC2STR(sta_addr)); | |
036f7c4a JM |
2302 | return; |
2303 | } | |
2304 | ||
2305 | if (status) { | |
f049052b BG |
2306 | wpa_dbg(wpa_s, MSG_DEBUG, "FT: FT Action Response indicates " |
2307 | "failure (status code %d)", status); | |
036f7c4a JM |
2308 | /* TODO: report error to FT code(?) */ |
2309 | return; | |
2310 | } | |
2311 | ||
2312 | if (wpa_ft_process_response(wpa_s->wpa, data + 1 + 2 * ETH_ALEN + 2, | |
2313 | len - (1 + 2 * ETH_ALEN + 2), 1, | |
2314 | target_ap_addr, NULL, 0) < 0) | |
2315 | return; | |
2316 | ||
fe191985 JM |
2317 | #ifdef CONFIG_SME |
2318 | { | |
2319 | struct wpa_bss *bss; | |
2320 | bss = wpa_bss_get_bssid(wpa_s, target_ap_addr); | |
2321 | if (bss) | |
2322 | wpa_s->sme.freq = bss->freq; | |
62c72d72 | 2323 | wpa_s->sme.auth_alg = WPA_AUTH_ALG_FT; |
fe191985 JM |
2324 | sme_associate(wpa_s, WPAS_MODE_INFRA, target_ap_addr, |
2325 | WLAN_AUTH_FT); | |
2326 | } | |
2327 | #endif /* CONFIG_SME */ | |
036f7c4a JM |
2328 | } |
2329 | #endif /* CONFIG_IEEE80211R */ | |
2330 | ||
2331 | ||
7d878ca7 JM |
2332 | static void wpa_supplicant_event_unprot_deauth(struct wpa_supplicant *wpa_s, |
2333 | struct unprot_deauth *e) | |
2334 | { | |
2335 | #ifdef CONFIG_IEEE80211W | |
2336 | wpa_printf(MSG_DEBUG, "Unprotected Deauthentication frame " | |
2337 | "dropped: " MACSTR " -> " MACSTR | |
2338 | " (reason code %u)", | |
2339 | MAC2STR(e->sa), MAC2STR(e->da), e->reason_code); | |
2340 | sme_event_unprot_disconnect(wpa_s, e->sa, e->da, e->reason_code); | |
2341 | #endif /* CONFIG_IEEE80211W */ | |
2342 | } | |
2343 | ||
2344 | ||
2345 | static void wpa_supplicant_event_unprot_disassoc(struct wpa_supplicant *wpa_s, | |
2346 | struct unprot_disassoc *e) | |
2347 | { | |
2348 | #ifdef CONFIG_IEEE80211W | |
2349 | wpa_printf(MSG_DEBUG, "Unprotected Disassociation frame " | |
2350 | "dropped: " MACSTR " -> " MACSTR | |
2351 | " (reason code %u)", | |
2352 | MAC2STR(e->sa), MAC2STR(e->da), e->reason_code); | |
2353 | sme_event_unprot_disconnect(wpa_s, e->sa, e->da, e->reason_code); | |
2354 | #endif /* CONFIG_IEEE80211W */ | |
2355 | } | |
2356 | ||
2357 | ||
9646a8ab | 2358 | void wpa_supplicant_event(void *ctx, enum wpa_event_type event, |
6fc6879b JM |
2359 | union wpa_event_data *data) |
2360 | { | |
2361 | struct wpa_supplicant *wpa_s = ctx; | |
0544b242 | 2362 | u16 reason_code = 0; |
3d9975d5 | 2363 | int locally_generated = 0; |
6fc6879b | 2364 | |
8401a6b0 JM |
2365 | if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED && |
2366 | event != EVENT_INTERFACE_ENABLED && | |
9b6f44cb JM |
2367 | event != EVENT_INTERFACE_STATUS && |
2368 | event != EVENT_SCHED_SCAN_STOPPED) { | |
6c3771d7 BG |
2369 | wpa_dbg(wpa_s, MSG_DEBUG, |
2370 | "Ignore event %s (%d) while interface is disabled", | |
2371 | event_to_string(event), event); | |
8401a6b0 JM |
2372 | return; |
2373 | } | |
2374 | ||
74781dfc JM |
2375 | #ifndef CONFIG_NO_STDOUT_DEBUG |
2376 | { | |
2377 | int level = MSG_DEBUG; | |
2378 | ||
eab6f5e0 | 2379 | if (event == EVENT_RX_MGMT && data->rx_mgmt.frame_len >= 24) { |
74781dfc JM |
2380 | const struct ieee80211_hdr *hdr; |
2381 | u16 fc; | |
2382 | hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame; | |
2383 | fc = le_to_host16(hdr->frame_control); | |
2384 | if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && | |
2385 | WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON) | |
2386 | level = MSG_EXCESSIVE; | |
2387 | } | |
2388 | ||
2389 | wpa_dbg(wpa_s, level, "Event %s (%d) received", | |
6c3771d7 | 2390 | event_to_string(event), event); |
74781dfc JM |
2391 | } |
2392 | #endif /* CONFIG_NO_STDOUT_DEBUG */ | |
9b7124b2 | 2393 | |
6fc6879b | 2394 | switch (event) { |
c2a04078 JM |
2395 | case EVENT_AUTH: |
2396 | sme_event_auth(wpa_s, data); | |
2397 | break; | |
6fc6879b JM |
2398 | case EVENT_ASSOC: |
2399 | wpa_supplicant_event_assoc(wpa_s, data); | |
2400 | break; | |
2401 | case EVENT_DISASSOC: | |
f049052b | 2402 | wpa_dbg(wpa_s, MSG_DEBUG, "Disassociation notification"); |
2e75a2b3 | 2403 | if (data) { |
3d9975d5 JM |
2404 | wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u%s", |
2405 | data->disassoc_info.reason_code, | |
2406 | data->disassoc_info.locally_generated ? | |
2407 | " (locally generated)" : ""); | |
2e75a2b3 | 2408 | if (data->disassoc_info.addr) |
f049052b BG |
2409 | wpa_dbg(wpa_s, MSG_DEBUG, " * address " MACSTR, |
2410 | MAC2STR(data->disassoc_info.addr)); | |
2e75a2b3 | 2411 | } |
1d041bec | 2412 | #ifdef CONFIG_AP |
7f542069 | 2413 | if (wpa_s->ap_iface && data && data->disassoc_info.addr) { |
1d041bec JM |
2414 | hostapd_notif_disassoc(wpa_s->ap_iface->bss[0], |
2415 | data->disassoc_info.addr); | |
2416 | break; | |
2417 | } | |
4551dd90 JM |
2418 | if (wpa_s->ap_iface) { |
2419 | wpa_dbg(wpa_s, MSG_DEBUG, "Ignore disassoc event in " | |
2420 | "AP mode"); | |
2421 | break; | |
2422 | } | |
1d041bec | 2423 | #endif /* CONFIG_AP */ |
9fdd0fad JM |
2424 | if (data) { |
2425 | reason_code = data->disassoc_info.reason_code; | |
3d9975d5 JM |
2426 | locally_generated = |
2427 | data->disassoc_info.locally_generated; | |
9fdd0fad JM |
2428 | wpa_hexdump(MSG_DEBUG, "Disassociation frame IE(s)", |
2429 | data->disassoc_info.ie, | |
2430 | data->disassoc_info.ie_len); | |
2431 | #ifdef CONFIG_P2P | |
2432 | wpas_p2p_disassoc_notif( | |
2433 | wpa_s, data->disassoc_info.addr, reason_code, | |
2434 | data->disassoc_info.ie, | |
3fc14102 JM |
2435 | data->disassoc_info.ie_len, |
2436 | locally_generated); | |
9fdd0fad JM |
2437 | #endif /* CONFIG_P2P */ |
2438 | } | |
0e379654 JM |
2439 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) |
2440 | sme_event_disassoc(wpa_s, data); | |
a84ed99e JM |
2441 | /* fall through */ |
2442 | case EVENT_DEAUTH: | |
0544b242 | 2443 | if (event == EVENT_DEAUTH) { |
f049052b BG |
2444 | wpa_dbg(wpa_s, MSG_DEBUG, |
2445 | "Deauthentication notification"); | |
2e75a2b3 | 2446 | if (data) { |
0544b242 | 2447 | reason_code = data->deauth_info.reason_code; |
3d9975d5 JM |
2448 | locally_generated = |
2449 | data->deauth_info.locally_generated; | |
2450 | wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u%s", | |
2451 | data->deauth_info.reason_code, | |
2452 | data->deauth_info.locally_generated ? | |
2453 | " (locally generated)" : ""); | |
2e75a2b3 | 2454 | if (data->deauth_info.addr) { |
f049052b BG |
2455 | wpa_dbg(wpa_s, MSG_DEBUG, " * address " |
2456 | MACSTR, | |
2457 | MAC2STR(data->deauth_info. | |
2458 | addr)); | |
2e75a2b3 | 2459 | } |
9fdd0fad JM |
2460 | wpa_hexdump(MSG_DEBUG, |
2461 | "Deauthentication frame IE(s)", | |
2462 | data->deauth_info.ie, | |
2463 | data->deauth_info.ie_len); | |
2e75a2b3 | 2464 | } |
0544b242 | 2465 | } |
1d041bec | 2466 | #ifdef CONFIG_AP |
7f542069 | 2467 | if (wpa_s->ap_iface && data && data->deauth_info.addr) { |
1d041bec JM |
2468 | hostapd_notif_disassoc(wpa_s->ap_iface->bss[0], |
2469 | data->deauth_info.addr); | |
2470 | break; | |
2471 | } | |
4551dd90 JM |
2472 | if (wpa_s->ap_iface) { |
2473 | wpa_dbg(wpa_s, MSG_DEBUG, "Ignore deauth event in " | |
2474 | "AP mode"); | |
2475 | break; | |
2476 | } | |
1d041bec | 2477 | #endif /* CONFIG_AP */ |
3d9975d5 JM |
2478 | wpa_supplicant_event_disassoc(wpa_s, reason_code, |
2479 | locally_generated); | |
00e5e3d5 JM |
2480 | if (reason_code == WLAN_REASON_IEEE_802_1X_AUTH_FAILED || |
2481 | ((wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) || | |
2482 | (wpa_s->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) && | |
2483 | eapol_sm_failed(wpa_s->eapol))) | |
2484 | wpas_auth_failed(wpa_s); | |
3fc14102 JM |
2485 | #ifdef CONFIG_P2P |
2486 | if (event == EVENT_DEAUTH && data) { | |
0aadd568 JM |
2487 | if (wpas_p2p_deauth_notif(wpa_s, |
2488 | data->deauth_info.addr, | |
2489 | reason_code, | |
2490 | data->deauth_info.ie, | |
2491 | data->deauth_info.ie_len, | |
2492 | locally_generated) > 0) { | |
2493 | /* | |
2494 | * The interface was removed, so cannot | |
2495 | * continue processing any additional | |
2496 | * operations after this. | |
2497 | */ | |
2498 | break; | |
2499 | } | |
3fc14102 JM |
2500 | } |
2501 | #endif /* CONFIG_P2P */ | |
0aadd568 JM |
2502 | wpa_supplicant_event_disassoc_finish(wpa_s, reason_code, |
2503 | locally_generated); | |
6fc6879b JM |
2504 | break; |
2505 | case EVENT_MICHAEL_MIC_FAILURE: | |
2506 | wpa_supplicant_event_michael_mic_failure(wpa_s, data); | |
2507 | break; | |
2508 | #ifndef CONFIG_NO_SCAN_PROCESSING | |
2509 | case EVENT_SCAN_RESULTS: | |
8d923a4a | 2510 | wpa_supplicant_event_scan_results(wpa_s, data); |
f85f545e JM |
2511 | if (wpa_s->wpa_state != WPA_AUTHENTICATING && |
2512 | wpa_s->wpa_state != WPA_ASSOCIATING) | |
2513 | wpas_p2p_continue_after_scan(wpa_s); | |
6fc6879b JM |
2514 | break; |
2515 | #endif /* CONFIG_NO_SCAN_PROCESSING */ | |
2516 | case EVENT_ASSOCINFO: | |
2517 | wpa_supplicant_event_associnfo(wpa_s, data); | |
2518 | break; | |
2519 | case EVENT_INTERFACE_STATUS: | |
2520 | wpa_supplicant_event_interface_status(wpa_s, data); | |
2521 | break; | |
2522 | case EVENT_PMKID_CANDIDATE: | |
2523 | wpa_supplicant_event_pmkid_candidate(wpa_s, data); | |
2524 | break; | |
2525 | #ifdef CONFIG_PEERKEY | |
2526 | case EVENT_STKSTART: | |
2527 | wpa_supplicant_event_stkstart(wpa_s, data); | |
2528 | break; | |
2529 | #endif /* CONFIG_PEERKEY */ | |
281ff0aa GP |
2530 | #ifdef CONFIG_TDLS |
2531 | case EVENT_TDLS: | |
2532 | wpa_supplicant_event_tdls(wpa_s, data); | |
2533 | break; | |
2534 | #endif /* CONFIG_TDLS */ | |
ad3872a3 | 2535 | #ifdef CONFIG_WNM |
75cad1a0 XC |
2536 | case EVENT_WNM: |
2537 | wpa_supplicant_event_wnm(wpa_s, data); | |
2538 | break; | |
ad3872a3 | 2539 | #endif /* CONFIG_WNM */ |
6fc6879b JM |
2540 | #ifdef CONFIG_IEEE80211R |
2541 | case EVENT_FT_RESPONSE: | |
2542 | wpa_supplicant_event_ft_response(wpa_s, data); | |
2543 | break; | |
2544 | #endif /* CONFIG_IEEE80211R */ | |
11ef8d35 JM |
2545 | #ifdef CONFIG_IBSS_RSN |
2546 | case EVENT_IBSS_RSN_START: | |
2547 | wpa_supplicant_event_ibss_rsn_start(wpa_s, data); | |
2548 | break; | |
2549 | #endif /* CONFIG_IBSS_RSN */ | |
efa46078 | 2550 | case EVENT_ASSOC_REJECT: |
c05d6d18 JM |
2551 | if (data->assoc_reject.bssid) |
2552 | wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT | |
2553 | "bssid=" MACSTR " status_code=%u", | |
2554 | MAC2STR(data->assoc_reject.bssid), | |
2555 | data->assoc_reject.status_code); | |
2556 | else | |
2557 | wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT | |
2558 | "status_code=%u", | |
2559 | data->assoc_reject.status_code); | |
ea78c315 JM |
2560 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) |
2561 | sme_event_assoc_reject(wpa_s, data); | |
10737aba JM |
2562 | else { |
2563 | const u8 *bssid = data->assoc_reject.bssid; | |
2564 | if (bssid == NULL || is_zero_ether_addr(bssid)) | |
2565 | bssid = wpa_s->pending_bssid; | |
2566 | wpas_connection_failed(wpa_s, bssid); | |
2567 | wpa_supplicant_mark_disassoc(wpa_s); | |
2568 | } | |
efa46078 | 2569 | break; |
da1fb17c | 2570 | case EVENT_AUTH_TIMED_OUT: |
ea78c315 JM |
2571 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) |
2572 | sme_event_auth_timed_out(wpa_s, data); | |
da1fb17c JM |
2573 | break; |
2574 | case EVENT_ASSOC_TIMED_OUT: | |
ea78c315 JM |
2575 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) |
2576 | sme_event_assoc_timed_out(wpa_s, data); | |
da1fb17c | 2577 | break; |
f8b1f695 | 2578 | case EVENT_TX_STATUS: |
f049052b BG |
2579 | wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS dst=" MACSTR |
2580 | " type=%d stype=%d", | |
2581 | MAC2STR(data->tx_status.dst), | |
2582 | data->tx_status.type, data->tx_status.stype); | |
24f6497c | 2583 | #ifdef CONFIG_AP |
9bae1be0 | 2584 | if (wpa_s->ap_iface == NULL) { |
24f6497c | 2585 | #ifdef CONFIG_OFFCHANNEL |
9bae1be0 JM |
2586 | if (data->tx_status.type == WLAN_FC_TYPE_MGMT && |
2587 | data->tx_status.stype == WLAN_FC_STYPE_ACTION) | |
24f6497c | 2588 | offchannel_send_action_tx_status( |
9bae1be0 JM |
2589 | wpa_s, data->tx_status.dst, |
2590 | data->tx_status.data, | |
2591 | data->tx_status.data_len, | |
93b7ddd0 | 2592 | data->tx_status.ack ? |
24f6497c JM |
2593 | OFFCHANNEL_SEND_ACTION_SUCCESS : |
2594 | OFFCHANNEL_SEND_ACTION_NO_ACK); | |
2595 | #endif /* CONFIG_OFFCHANNEL */ | |
9bae1be0 JM |
2596 | break; |
2597 | } | |
24f6497c JM |
2598 | #endif /* CONFIG_AP */ |
2599 | #ifdef CONFIG_OFFCHANNEL | |
f049052b BG |
2600 | wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS pending_dst=" |
2601 | MACSTR, MAC2STR(wpa_s->parent->pending_action_dst)); | |
9bae1be0 JM |
2602 | /* |
2603 | * Catch TX status events for Action frames we sent via group | |
2604 | * interface in GO mode. | |
2605 | */ | |
2606 | if (data->tx_status.type == WLAN_FC_TYPE_MGMT && | |
2607 | data->tx_status.stype == WLAN_FC_STYPE_ACTION && | |
2608 | os_memcmp(wpa_s->parent->pending_action_dst, | |
2609 | data->tx_status.dst, ETH_ALEN) == 0) { | |
24f6497c | 2610 | offchannel_send_action_tx_status( |
9bae1be0 JM |
2611 | wpa_s->parent, data->tx_status.dst, |
2612 | data->tx_status.data, | |
2613 | data->tx_status.data_len, | |
1d39378a | 2614 | data->tx_status.ack ? |
24f6497c JM |
2615 | OFFCHANNEL_SEND_ACTION_SUCCESS : |
2616 | OFFCHANNEL_SEND_ACTION_NO_ACK); | |
f8b1f695 | 2617 | break; |
9bae1be0 | 2618 | } |
24f6497c JM |
2619 | #endif /* CONFIG_OFFCHANNEL */ |
2620 | #ifdef CONFIG_AP | |
f8b1f695 JM |
2621 | switch (data->tx_status.type) { |
2622 | case WLAN_FC_TYPE_MGMT: | |
2623 | ap_mgmt_tx_cb(wpa_s, data->tx_status.data, | |
2624 | data->tx_status.data_len, | |
2625 | data->tx_status.stype, | |
2626 | data->tx_status.ack); | |
2627 | break; | |
2628 | case WLAN_FC_TYPE_DATA: | |
2629 | ap_tx_status(wpa_s, data->tx_status.dst, | |
2630 | data->tx_status.data, | |
2631 | data->tx_status.data_len, | |
2632 | data->tx_status.ack); | |
2633 | break; | |
2634 | } | |
24f6497c | 2635 | #endif /* CONFIG_AP */ |
f8b1f695 | 2636 | break; |
24f6497c | 2637 | #ifdef CONFIG_AP |
dd840f79 JB |
2638 | case EVENT_EAPOL_TX_STATUS: |
2639 | ap_eapol_tx_status(wpa_s, data->eapol_tx_status.dst, | |
2640 | data->eapol_tx_status.data, | |
2641 | data->eapol_tx_status.data_len, | |
2642 | data->eapol_tx_status.ack); | |
2643 | break; | |
bcf24348 JB |
2644 | case EVENT_DRIVER_CLIENT_POLL_OK: |
2645 | ap_client_poll_ok(wpa_s, data->client_poll.addr); | |
2646 | break; | |
f8b1f695 JM |
2647 | case EVENT_RX_FROM_UNKNOWN: |
2648 | if (wpa_s->ap_iface == NULL) | |
2649 | break; | |
9b90955e JB |
2650 | ap_rx_from_unknown_sta(wpa_s, data->rx_from_unknown.addr, |
2651 | data->rx_from_unknown.wds); | |
f8b1f695 | 2652 | break; |
1b487b8b TP |
2653 | case EVENT_CH_SWITCH: |
2654 | if (!data) | |
2655 | break; | |
2656 | if (!wpa_s->ap_iface) { | |
2657 | wpa_dbg(wpa_s, MSG_DEBUG, "AP: Ignore channel switch " | |
2658 | "event in non-AP mode"); | |
2659 | break; | |
2660 | } | |
2661 | ||
2662 | #ifdef CONFIG_AP | |
2663 | wpas_ap_ch_switch(wpa_s, data->ch_switch.freq, | |
2664 | data->ch_switch.ht_enabled, | |
2665 | data->ch_switch.ch_offset); | |
2666 | #endif /* CONFIG_AP */ | |
2667 | break; | |
2d43d37f JB |
2668 | case EVENT_RX_MGMT: { |
2669 | u16 fc, stype; | |
2670 | const struct ieee80211_mgmt *mgmt; | |
2671 | ||
2672 | mgmt = (const struct ieee80211_mgmt *) | |
2673 | data->rx_mgmt.frame; | |
2674 | fc = le_to_host16(mgmt->frame_control); | |
2675 | stype = WLAN_FC_GET_STYPE(fc); | |
2676 | ||
9bae1be0 JM |
2677 | if (wpa_s->ap_iface == NULL) { |
2678 | #ifdef CONFIG_P2P | |
9bae1be0 JM |
2679 | if (stype == WLAN_FC_STYPE_PROBE_REQ && |
2680 | data->rx_mgmt.frame_len > 24) { | |
2681 | const u8 *src = mgmt->sa; | |
2682 | const u8 *ie = mgmt->u.probe_req.variable; | |
2683 | size_t ie_len = data->rx_mgmt.frame_len - | |
2684 | (mgmt->u.probe_req.variable - | |
2685 | data->rx_mgmt.frame); | |
baf513d6 JB |
2686 | wpas_p2p_probe_req_rx( |
2687 | wpa_s, src, mgmt->da, | |
2688 | mgmt->bssid, ie, ie_len, | |
2689 | data->rx_mgmt.ssi_signal); | |
9bae1be0 JM |
2690 | break; |
2691 | } | |
2692 | #endif /* CONFIG_P2P */ | |
f049052b BG |
2693 | wpa_dbg(wpa_s, MSG_DEBUG, "AP: ignore received " |
2694 | "management frame in non-AP mode"); | |
f8b1f695 | 2695 | break; |
9bae1be0 | 2696 | } |
2d43d37f JB |
2697 | |
2698 | if (stype == WLAN_FC_STYPE_PROBE_REQ && | |
2699 | data->rx_mgmt.frame_len > 24) { | |
2700 | const u8 *ie = mgmt->u.probe_req.variable; | |
2701 | size_t ie_len = data->rx_mgmt.frame_len - | |
2702 | (mgmt->u.probe_req.variable - | |
2703 | data->rx_mgmt.frame); | |
2704 | ||
2705 | wpas_notify_preq(wpa_s, mgmt->sa, mgmt->da, | |
2706 | mgmt->bssid, ie, ie_len, | |
2707 | data->rx_mgmt.ssi_signal); | |
2d43d37f JB |
2708 | } |
2709 | ||
2a8b7416 | 2710 | ap_mgmt_rx(wpa_s, &data->rx_mgmt); |
f8b1f695 | 2711 | break; |
2d43d37f | 2712 | } |
f8b1f695 | 2713 | #endif /* CONFIG_AP */ |
036f7c4a | 2714 | case EVENT_RX_ACTION: |
f049052b BG |
2715 | wpa_dbg(wpa_s, MSG_DEBUG, "Received Action frame: SA=" MACSTR |
2716 | " Category=%u DataLen=%d freq=%d MHz", | |
2717 | MAC2STR(data->rx_action.sa), | |
2718 | data->rx_action.category, (int) data->rx_action.len, | |
2719 | data->rx_action.freq); | |
036f7c4a JM |
2720 | #ifdef CONFIG_IEEE80211R |
2721 | if (data->rx_action.category == WLAN_ACTION_FT) { | |
2722 | ft_rx_action(wpa_s, data->rx_action.data, | |
2723 | data->rx_action.len); | |
2724 | break; | |
2725 | } | |
2726 | #endif /* CONFIG_IEEE80211R */ | |
7d878ca7 JM |
2727 | #ifdef CONFIG_IEEE80211W |
2728 | #ifdef CONFIG_SME | |
2729 | if (data->rx_action.category == WLAN_ACTION_SA_QUERY) { | |
2730 | sme_sa_query_rx(wpa_s, data->rx_action.sa, | |
2731 | data->rx_action.data, | |
2732 | data->rx_action.len); | |
2733 | break; | |
2734 | } | |
2735 | #endif /* CONFIG_SME */ | |
2736 | #endif /* CONFIG_IEEE80211W */ | |
ad3872a3 | 2737 | #ifdef CONFIG_WNM |
75cad1a0 XC |
2738 | if (data->rx_action.category == WLAN_ACTION_WNM) { |
2739 | ieee802_11_rx_wnm_action(wpa_s, &data->rx_action); | |
2740 | break; | |
2741 | } | |
ad3872a3 | 2742 | #endif /* CONFIG_WNM */ |
04ea7b79 JM |
2743 | #ifdef CONFIG_GAS |
2744 | if (data->rx_action.category == WLAN_ACTION_PUBLIC && | |
2745 | gas_query_rx(wpa_s->gas, data->rx_action.da, | |
2746 | data->rx_action.sa, data->rx_action.bssid, | |
2747 | data->rx_action.data, data->rx_action.len, | |
2748 | data->rx_action.freq) == 0) | |
2749 | break; | |
2750 | #endif /* CONFIG_GAS */ | |
35287637 AN |
2751 | #ifdef CONFIG_TDLS |
2752 | if (data->rx_action.category == WLAN_ACTION_PUBLIC && | |
2753 | data->rx_action.len >= 4 && | |
2754 | data->rx_action.data[0] == WLAN_TDLS_DISCOVERY_RESPONSE) { | |
2755 | wpa_dbg(wpa_s, MSG_DEBUG, "TDLS: Received Discovery " | |
2756 | "Response from " MACSTR, | |
2757 | MAC2STR(data->rx_action.sa)); | |
2758 | break; | |
2759 | } | |
2760 | #endif /* CONFIG_TDLS */ | |
9bae1be0 JM |
2761 | #ifdef CONFIG_P2P |
2762 | wpas_p2p_rx_action(wpa_s, data->rx_action.da, | |
2763 | data->rx_action.sa, | |
2764 | data->rx_action.bssid, | |
2765 | data->rx_action.category, | |
2766 | data->rx_action.data, | |
2767 | data->rx_action.len, data->rx_action.freq); | |
e67b55fb JM |
2768 | #endif /* CONFIG_P2P */ |
2769 | break; | |
2770 | case EVENT_RX_PROBE_REQ: | |
b211f3eb JM |
2771 | if (data->rx_probe_req.sa == NULL || |
2772 | data->rx_probe_req.ie == NULL) | |
2773 | break; | |
e67b55fb JM |
2774 | #ifdef CONFIG_AP |
2775 | if (wpa_s->ap_iface) { | |
2776 | hostapd_probe_req_rx(wpa_s->ap_iface->bss[0], | |
2777 | data->rx_probe_req.sa, | |
04a85e44 JM |
2778 | data->rx_probe_req.da, |
2779 | data->rx_probe_req.bssid, | |
e67b55fb | 2780 | data->rx_probe_req.ie, |
baf513d6 JB |
2781 | data->rx_probe_req.ie_len, |
2782 | data->rx_probe_req.ssi_signal); | |
e67b55fb JM |
2783 | break; |
2784 | } | |
2785 | #endif /* CONFIG_AP */ | |
2786 | #ifdef CONFIG_P2P | |
2787 | wpas_p2p_probe_req_rx(wpa_s, data->rx_probe_req.sa, | |
04a85e44 JM |
2788 | data->rx_probe_req.da, |
2789 | data->rx_probe_req.bssid, | |
e67b55fb | 2790 | data->rx_probe_req.ie, |
baf513d6 JB |
2791 | data->rx_probe_req.ie_len, |
2792 | data->rx_probe_req.ssi_signal); | |
9bae1be0 | 2793 | #endif /* CONFIG_P2P */ |
036f7c4a | 2794 | break; |
9bae1be0 | 2795 | case EVENT_REMAIN_ON_CHANNEL: |
24f6497c JM |
2796 | #ifdef CONFIG_OFFCHANNEL |
2797 | offchannel_remain_on_channel_cb( | |
2798 | wpa_s, data->remain_on_channel.freq, | |
2799 | data->remain_on_channel.duration); | |
2800 | #endif /* CONFIG_OFFCHANNEL */ | |
2801 | #ifdef CONFIG_P2P | |
9bae1be0 JM |
2802 | wpas_p2p_remain_on_channel_cb( |
2803 | wpa_s, data->remain_on_channel.freq, | |
2804 | data->remain_on_channel.duration); | |
24f6497c | 2805 | #endif /* CONFIG_P2P */ |
9bae1be0 JM |
2806 | break; |
2807 | case EVENT_CANCEL_REMAIN_ON_CHANNEL: | |
24f6497c JM |
2808 | #ifdef CONFIG_OFFCHANNEL |
2809 | offchannel_cancel_remain_on_channel_cb( | |
2810 | wpa_s, data->remain_on_channel.freq); | |
2811 | #endif /* CONFIG_OFFCHANNEL */ | |
2812 | #ifdef CONFIG_P2P | |
9bae1be0 JM |
2813 | wpas_p2p_cancel_remain_on_channel_cb( |
2814 | wpa_s, data->remain_on_channel.freq); | |
24f6497c | 2815 | #endif /* CONFIG_P2P */ |
9bae1be0 | 2816 | break; |
24f6497c | 2817 | #ifdef CONFIG_P2P |
c5db8e51 KRK |
2818 | case EVENT_P2P_DEV_FOUND: { |
2819 | struct p2p_peer_info peer_info; | |
2820 | ||
2821 | os_memset(&peer_info, 0, sizeof(peer_info)); | |
2822 | if (data->p2p_dev_found.dev_addr) | |
2823 | os_memcpy(peer_info.p2p_device_addr, | |
2824 | data->p2p_dev_found.dev_addr, ETH_ALEN); | |
2825 | if (data->p2p_dev_found.pri_dev_type) | |
2826 | os_memcpy(peer_info.pri_dev_type, | |
2827 | data->p2p_dev_found.pri_dev_type, | |
2828 | sizeof(peer_info.pri_dev_type)); | |
2829 | if (data->p2p_dev_found.dev_name) | |
2830 | os_strlcpy(peer_info.device_name, | |
2831 | data->p2p_dev_found.dev_name, | |
2832 | sizeof(peer_info.device_name)); | |
2833 | peer_info.config_methods = data->p2p_dev_found.config_methods; | |
2834 | peer_info.dev_capab = data->p2p_dev_found.dev_capab; | |
2835 | peer_info.group_capab = data->p2p_dev_found.group_capab; | |
2836 | ||
8fd7dc1b JB |
2837 | /* |
2838 | * FIX: new_device=1 is not necessarily correct. We should | |
2839 | * maintain a P2P peer database in wpa_supplicant and update | |
2840 | * this information based on whether the peer is truly new. | |
2841 | */ | |
2842 | wpas_dev_found(wpa_s, data->p2p_dev_found.addr, &peer_info, 1); | |
3ac17eba | 2843 | break; |
c5db8e51 | 2844 | } |
3ac17eba JM |
2845 | case EVENT_P2P_GO_NEG_REQ_RX: |
2846 | wpas_go_neg_req_rx(wpa_s, data->p2p_go_neg_req_rx.src, | |
2847 | data->p2p_go_neg_req_rx.dev_passwd_id); | |
2848 | break; | |
2849 | case EVENT_P2P_GO_NEG_COMPLETED: | |
2850 | wpas_go_neg_completed(wpa_s, data->p2p_go_neg_completed.res); | |
2851 | break; | |
2852 | case EVENT_P2P_PROV_DISC_REQUEST: | |
2853 | wpas_prov_disc_req(wpa_s, data->p2p_prov_disc_req.peer, | |
2854 | data->p2p_prov_disc_req.config_methods, | |
2855 | data->p2p_prov_disc_req.dev_addr, | |
2856 | data->p2p_prov_disc_req.pri_dev_type, | |
2857 | data->p2p_prov_disc_req.dev_name, | |
2858 | data->p2p_prov_disc_req.supp_config_methods, | |
2859 | data->p2p_prov_disc_req.dev_capab, | |
c3f42784 JM |
2860 | data->p2p_prov_disc_req.group_capab, |
2861 | NULL, 0); | |
3ac17eba JM |
2862 | break; |
2863 | case EVENT_P2P_PROV_DISC_RESPONSE: | |
2864 | wpas_prov_disc_resp(wpa_s, data->p2p_prov_disc_resp.peer, | |
2865 | data->p2p_prov_disc_resp.config_methods); | |
2866 | break; | |
2867 | case EVENT_P2P_SD_REQUEST: | |
2868 | wpas_sd_request(wpa_s, data->p2p_sd_req.freq, | |
2869 | data->p2p_sd_req.sa, | |
2870 | data->p2p_sd_req.dialog_token, | |
2871 | data->p2p_sd_req.update_indic, | |
2872 | data->p2p_sd_req.tlvs, | |
2873 | data->p2p_sd_req.tlvs_len); | |
2874 | break; | |
2875 | case EVENT_P2P_SD_RESPONSE: | |
2876 | wpas_sd_response(wpa_s, data->p2p_sd_resp.sa, | |
2877 | data->p2p_sd_resp.update_indic, | |
2878 | data->p2p_sd_resp.tlvs, | |
2879 | data->p2p_sd_resp.tlvs_len); | |
2880 | break; | |
9bae1be0 | 2881 | #endif /* CONFIG_P2P */ |
a8e0505b JM |
2882 | case EVENT_EAPOL_RX: |
2883 | wpa_supplicant_rx_eapol(wpa_s, data->eapol_rx.src, | |
2884 | data->eapol_rx.data, | |
2885 | data->eapol_rx.data_len); | |
2886 | break; | |
e2f74005 JM |
2887 | case EVENT_SIGNAL_CHANGE: |
2888 | bgscan_notify_signal_change( | |
60a972a6 | 2889 | wpa_s, data->signal_change.above_threshold, |
174fa789 PS |
2890 | data->signal_change.current_signal, |
2891 | data->signal_change.current_noise, | |
2892 | data->signal_change.current_txrate); | |
e2f74005 | 2893 | break; |
8401a6b0 | 2894 | case EVENT_INTERFACE_ENABLED: |
f049052b | 2895 | wpa_dbg(wpa_s, MSG_DEBUG, "Interface was enabled"); |
8401a6b0 | 2896 | if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) { |
bfba8deb | 2897 | wpa_supplicant_update_mac_addr(wpa_s); |
199716ad | 2898 | #ifdef CONFIG_AP |
9919f7a2 JB |
2899 | if (!wpa_s->ap_iface) { |
2900 | wpa_supplicant_set_state(wpa_s, | |
2901 | WPA_DISCONNECTED); | |
2902 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
2903 | } else | |
2904 | wpa_supplicant_set_state(wpa_s, | |
2905 | WPA_COMPLETED); | |
199716ad BG |
2906 | #else /* CONFIG_AP */ |
2907 | wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); | |
2908 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
2909 | #endif /* CONFIG_AP */ | |
8401a6b0 JM |
2910 | } |
2911 | break; | |
2912 | case EVENT_INTERFACE_DISABLED: | |
f049052b | 2913 | wpa_dbg(wpa_s, MSG_DEBUG, "Interface was disabled"); |
8401a6b0 JM |
2914 | wpa_supplicant_mark_disassoc(wpa_s); |
2915 | wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED); | |
2916 | break; | |
b5c9da8d | 2917 | case EVENT_CHANNEL_LIST_CHANGED: |
35c5d610 JM |
2918 | if (wpa_s->drv_priv == NULL) |
2919 | break; /* Ignore event during drv initialization */ | |
6979582c JM |
2920 | |
2921 | free_hw_features(wpa_s); | |
2922 | wpa_s->hw.modes = wpa_drv_get_hw_feature_data( | |
2923 | wpa_s, &wpa_s->hw.num_modes, &wpa_s->hw.flags); | |
2924 | ||
b5c9da8d JM |
2925 | #ifdef CONFIG_P2P |
2926 | wpas_p2p_update_channel_list(wpa_s); | |
c973f386 JM |
2927 | #endif /* CONFIG_P2P */ |
2928 | break; | |
2929 | case EVENT_INTERFACE_UNAVAILABLE: | |
2930 | #ifdef CONFIG_P2P | |
2931 | wpas_p2p_interface_unavailable(wpa_s); | |
7cfc4ac3 AGS |
2932 | #endif /* CONFIG_P2P */ |
2933 | break; | |
2934 | case EVENT_BEST_CHANNEL: | |
f049052b BG |
2935 | wpa_dbg(wpa_s, MSG_DEBUG, "Best channel event received " |
2936 | "(%d %d %d)", | |
2937 | data->best_chan.freq_24, data->best_chan.freq_5, | |
2938 | data->best_chan.freq_overall); | |
7cfc4ac3 AGS |
2939 | wpa_s->best_24_freq = data->best_chan.freq_24; |
2940 | wpa_s->best_5_freq = data->best_chan.freq_5; | |
2941 | wpa_s->best_overall_freq = data->best_chan.freq_overall; | |
2942 | #ifdef CONFIG_P2P | |
2943 | wpas_p2p_update_best_channels(wpa_s, data->best_chan.freq_24, | |
2944 | data->best_chan.freq_5, | |
2945 | data->best_chan.freq_overall); | |
b5c9da8d JM |
2946 | #endif /* CONFIG_P2P */ |
2947 | break; | |
7d878ca7 JM |
2948 | case EVENT_UNPROT_DEAUTH: |
2949 | wpa_supplicant_event_unprot_deauth(wpa_s, | |
2950 | &data->unprot_deauth); | |
2951 | break; | |
2952 | case EVENT_UNPROT_DISASSOC: | |
2953 | wpa_supplicant_event_unprot_disassoc(wpa_s, | |
2954 | &data->unprot_disassoc); | |
2955 | break; | |
0d7e5a3a JB |
2956 | case EVENT_STATION_LOW_ACK: |
2957 | #ifdef CONFIG_AP | |
2958 | if (wpa_s->ap_iface && data) | |
2959 | hostapd_event_sta_low_ack(wpa_s->ap_iface->bss[0], | |
2960 | data->low_ack.addr); | |
2961 | #endif /* CONFIG_AP */ | |
8f15f711 AN |
2962 | #ifdef CONFIG_TDLS |
2963 | if (data) | |
2964 | wpa_tdls_disable_link(wpa_s->wpa, data->low_ack.addr); | |
2965 | #endif /* CONFIG_TDLS */ | |
0d7e5a3a | 2966 | break; |
ea244d21 XC |
2967 | case EVENT_IBSS_PEER_LOST: |
2968 | #ifdef CONFIG_IBSS_RSN | |
2969 | ibss_rsn_stop(wpa_s->ibss_rsn, data->ibss_peer_lost.peer); | |
2970 | #endif /* CONFIG_IBSS_RSN */ | |
2971 | break; | |
b14a210c JB |
2972 | case EVENT_DRIVER_GTK_REKEY: |
2973 | if (os_memcmp(data->driver_gtk_rekey.bssid, | |
2974 | wpa_s->bssid, ETH_ALEN)) | |
2975 | break; | |
2976 | if (!wpa_s->wpa) | |
2977 | break; | |
2978 | wpa_sm_update_replay_ctr(wpa_s->wpa, | |
2979 | data->driver_gtk_rekey.replay_ctr); | |
2980 | break; | |
cbdf3507 LC |
2981 | case EVENT_SCHED_SCAN_STOPPED: |
2982 | wpa_s->sched_scanning = 0; | |
2983 | wpa_supplicant_notify_scanning(wpa_s, 0); | |
2984 | ||
9b6f44cb JM |
2985 | if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) |
2986 | break; | |
2987 | ||
cbdf3507 LC |
2988 | /* |
2989 | * If we timed out, start a new sched scan to continue | |
2990 | * searching for more SSIDs. | |
2991 | */ | |
2992 | if (wpa_s->sched_scan_timed_out) | |
2993 | wpa_supplicant_req_sched_scan(wpa_s); | |
2994 | break; | |
783fcb7d GG |
2995 | case EVENT_WPS_BUTTON_PUSHED: |
2996 | #ifdef CONFIG_WPS | |
2997 | wpas_wps_start_pbc(wpa_s, NULL, 0); | |
2998 | #endif /* CONFIG_WPS */ | |
2999 | break; | |
3140803b RM |
3000 | case EVENT_CONNECT_FAILED_REASON: |
3001 | #ifdef CONFIG_AP | |
3002 | if (!wpa_s->ap_iface || !data) | |
3003 | break; | |
3004 | hostapd_event_connect_failed_reason( | |
3005 | wpa_s->ap_iface->bss[0], | |
3006 | data->connect_failed_reason.addr, | |
3007 | data->connect_failed_reason.code); | |
3008 | #endif /* CONFIG_AP */ | |
3009 | break; | |
6fc6879b | 3010 | default: |
f049052b | 3011 | wpa_msg(wpa_s, MSG_INFO, "Unknown event %d", event); |
6fc6879b JM |
3012 | break; |
3013 | } | |
3014 | } |