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6fc6879b JM |
1 | /* |
2 | * WPA Supplicant | |
d93dfbd5 | 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 | * This file implements functions for registering and unregistering | |
9 | * %wpa_supplicant interfaces. In addition, this file contains number of | |
10 | * functions for managing network connections. | |
11 | */ | |
12 | ||
13 | #include "includes.h" | |
14 | ||
15 | #include "common.h" | |
d47fa330 | 16 | #include "crypto/random.h" |
7d232e23 | 17 | #include "crypto/sha1.h" |
6fc6879b JM |
18 | #include "eapol_supp/eapol_supp_sm.h" |
19 | #include "eap_peer/eap.h" | |
ec7b97ab | 20 | #include "eap_peer/eap_proxy.h" |
3ec97afe | 21 | #include "eap_server/eap_methods.h" |
3acb5005 | 22 | #include "rsn_supp/wpa.h" |
6fc6879b | 23 | #include "eloop.h" |
6fc6879b | 24 | #include "config.h" |
306ae225 | 25 | #include "utils/ext_password.h" |
6fc6879b JM |
26 | #include "l2_packet/l2_packet.h" |
27 | #include "wpa_supplicant_i.h" | |
2d5b792d | 28 | #include "driver_i.h" |
6fc6879b | 29 | #include "ctrl_iface.h" |
6fc6879b | 30 | #include "pcsc_funcs.h" |
90973fb2 | 31 | #include "common/version.h" |
3acb5005 JM |
32 | #include "rsn_supp/preauth.h" |
33 | #include "rsn_supp/pmksa_cache.h" | |
90973fb2 | 34 | #include "common/wpa_ctrl.h" |
90973fb2 | 35 | #include "common/ieee802_11_defs.h" |
72044390 | 36 | #include "p2p/p2p.h" |
6fc6879b JM |
37 | #include "blacklist.h" |
38 | #include "wpas_glue.h" | |
116654ce | 39 | #include "wps_supplicant.h" |
11ef8d35 | 40 | #include "ibss_rsn.h" |
c2a04078 | 41 | #include "sme.h" |
04ea7b79 | 42 | #include "gas_query.h" |
1f1b62a0 | 43 | #include "ap.h" |
b22128ef | 44 | #include "p2p_supplicant.h" |
9675ce35 | 45 | #include "wifi_display.h" |
8bac466b | 46 | #include "notify.h" |
60b94c98 | 47 | #include "bgscan.h" |
7c865c68 | 48 | #include "autoscan.h" |
83922c2d | 49 | #include "bss.h" |
9ba9fa07 | 50 | #include "scan.h" |
24f6497c | 51 | #include "offchannel.h" |
cb418324 | 52 | #include "hs20_supplicant.h" |
e27d20bb | 53 | #include "wnm_sta.h" |
6fc6879b JM |
54 | |
55 | const char *wpa_supplicant_version = | |
56 | "wpa_supplicant v" VERSION_STR "\n" | |
e056f93e | 57 | "Copyright (c) 2003-2013, Jouni Malinen <j@w1.fi> and contributors"; |
6fc6879b JM |
58 | |
59 | const char *wpa_supplicant_license = | |
331f89ff JM |
60 | "This software may be distributed under the terms of the BSD license.\n" |
61 | "See README for more details.\n" | |
6fc6879b JM |
62 | #ifdef EAP_TLS_OPENSSL |
63 | "\nThis product includes software developed by the OpenSSL Project\n" | |
64 | "for use in the OpenSSL Toolkit (http://www.openssl.org/)\n" | |
65 | #endif /* EAP_TLS_OPENSSL */ | |
66 | ; | |
67 | ||
68 | #ifndef CONFIG_NO_STDOUT_DEBUG | |
69 | /* Long text divided into parts in order to fit in C89 strings size limits. */ | |
70 | const char *wpa_supplicant_full_license1 = | |
331f89ff | 71 | ""; |
6fc6879b | 72 | const char *wpa_supplicant_full_license2 = |
331f89ff | 73 | "This software may be distributed under the terms of the BSD license.\n" |
6fc6879b JM |
74 | "\n" |
75 | "Redistribution and use in source and binary forms, with or without\n" | |
76 | "modification, are permitted provided that the following conditions are\n" | |
77 | "met:\n" | |
78 | "\n"; | |
79 | const char *wpa_supplicant_full_license3 = | |
80 | "1. Redistributions of source code must retain the above copyright\n" | |
81 | " notice, this list of conditions and the following disclaimer.\n" | |
82 | "\n" | |
83 | "2. Redistributions in binary form must reproduce the above copyright\n" | |
84 | " notice, this list of conditions and the following disclaimer in the\n" | |
85 | " documentation and/or other materials provided with the distribution.\n" | |
86 | "\n"; | |
87 | const char *wpa_supplicant_full_license4 = | |
88 | "3. Neither the name(s) of the above-listed copyright holder(s) nor the\n" | |
89 | " names of its contributors may be used to endorse or promote products\n" | |
90 | " derived from this software without specific prior written permission.\n" | |
91 | "\n" | |
92 | "THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\n" | |
93 | "\"AS IS\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\n" | |
94 | "LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\n" | |
95 | "A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT\n"; | |
96 | const char *wpa_supplicant_full_license5 = | |
97 | "OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\n" | |
98 | "SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\n" | |
99 | "LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\n" | |
100 | "DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\n" | |
101 | "THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n" | |
102 | "(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\n" | |
103 | "OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n" | |
104 | "\n"; | |
105 | #endif /* CONFIG_NO_STDOUT_DEBUG */ | |
106 | ||
6fc6879b | 107 | /* Configure default/group WEP keys for static WEP */ |
0194fedb | 108 | int wpa_set_wep_keys(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid) |
6fc6879b JM |
109 | { |
110 | int i, set = 0; | |
111 | ||
112 | for (i = 0; i < NUM_WEP_KEYS; i++) { | |
113 | if (ssid->wep_key_len[i] == 0) | |
114 | continue; | |
115 | ||
116 | set = 1; | |
0382097e | 117 | wpa_drv_set_key(wpa_s, WPA_ALG_WEP, NULL, |
da64c266 | 118 | i, i == ssid->wep_tx_keyidx, NULL, 0, |
6fc6879b JM |
119 | ssid->wep_key[i], ssid->wep_key_len[i]); |
120 | } | |
121 | ||
122 | return set; | |
123 | } | |
124 | ||
125 | ||
6ea1f413 JM |
126 | int wpa_supplicant_set_wpa_none_key(struct wpa_supplicant *wpa_s, |
127 | struct wpa_ssid *ssid) | |
6fc6879b JM |
128 | { |
129 | u8 key[32]; | |
130 | size_t keylen; | |
71934751 | 131 | enum wpa_alg alg; |
6fc6879b JM |
132 | u8 seq[6] = { 0 }; |
133 | ||
134 | /* IBSS/WPA-None uses only one key (Group) for both receiving and | |
135 | * sending unicast and multicast packets. */ | |
136 | ||
d7dcba70 | 137 | if (ssid->mode != WPAS_MODE_IBSS) { |
f049052b BG |
138 | wpa_msg(wpa_s, MSG_INFO, "WPA: Invalid mode %d (not " |
139 | "IBSS/ad-hoc) for WPA-None", ssid->mode); | |
6fc6879b JM |
140 | return -1; |
141 | } | |
142 | ||
143 | if (!ssid->psk_set) { | |
f049052b BG |
144 | wpa_msg(wpa_s, MSG_INFO, "WPA: No PSK configured for " |
145 | "WPA-None"); | |
6fc6879b JM |
146 | return -1; |
147 | } | |
148 | ||
149 | switch (wpa_s->group_cipher) { | |
150 | case WPA_CIPHER_CCMP: | |
151 | os_memcpy(key, ssid->psk, 16); | |
152 | keylen = 16; | |
153 | alg = WPA_ALG_CCMP; | |
154 | break; | |
eb7719ff JM |
155 | case WPA_CIPHER_GCMP: |
156 | os_memcpy(key, ssid->psk, 16); | |
157 | keylen = 16; | |
158 | alg = WPA_ALG_GCMP; | |
159 | break; | |
6fc6879b JM |
160 | case WPA_CIPHER_TKIP: |
161 | /* WPA-None uses the same Michael MIC key for both TX and RX */ | |
162 | os_memcpy(key, ssid->psk, 16 + 8); | |
163 | os_memcpy(key + 16 + 8, ssid->psk + 16, 8); | |
164 | keylen = 32; | |
165 | alg = WPA_ALG_TKIP; | |
166 | break; | |
167 | default: | |
f049052b BG |
168 | wpa_msg(wpa_s, MSG_INFO, "WPA: Invalid group cipher %d for " |
169 | "WPA-None", wpa_s->group_cipher); | |
6fc6879b JM |
170 | return -1; |
171 | } | |
172 | ||
173 | /* TODO: should actually remember the previously used seq#, both for TX | |
174 | * and RX from each STA.. */ | |
175 | ||
0382097e | 176 | return wpa_drv_set_key(wpa_s, alg, NULL, 0, 1, seq, 6, key, keylen); |
6fc6879b JM |
177 | } |
178 | ||
179 | ||
180 | static void wpa_supplicant_timeout(void *eloop_ctx, void *timeout_ctx) | |
181 | { | |
182 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
183 | const u8 *bssid = wpa_s->bssid; | |
a8e16edc | 184 | if (is_zero_ether_addr(bssid)) |
6fc6879b JM |
185 | bssid = wpa_s->pending_bssid; |
186 | wpa_msg(wpa_s, MSG_INFO, "Authentication with " MACSTR " timed out.", | |
187 | MAC2STR(bssid)); | |
188 | wpa_blacklist_add(wpa_s, bssid); | |
189 | wpa_sm_notify_disassoc(wpa_s->wpa); | |
07783eaa | 190 | wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING); |
6fc6879b | 191 | wpa_s->reassociate = 1; |
48b84f18 BG |
192 | |
193 | /* | |
194 | * If we timed out, the AP or the local radio may be busy. | |
195 | * So, wait a second until scanning again. | |
196 | */ | |
197 | wpa_supplicant_req_scan(wpa_s, 1, 0); | |
99fcd404 | 198 | |
f85f545e | 199 | wpas_p2p_continue_after_scan(wpa_s); |
6fc6879b JM |
200 | } |
201 | ||
202 | ||
203 | /** | |
204 | * wpa_supplicant_req_auth_timeout - Schedule a timeout for authentication | |
205 | * @wpa_s: Pointer to wpa_supplicant data | |
206 | * @sec: Number of seconds after which to time out authentication | |
207 | * @usec: Number of microseconds after which to time out authentication | |
208 | * | |
209 | * This function is used to schedule a timeout for the current authentication | |
210 | * attempt. | |
211 | */ | |
212 | void wpa_supplicant_req_auth_timeout(struct wpa_supplicant *wpa_s, | |
213 | int sec, int usec) | |
214 | { | |
a2a535f8 | 215 | if (wpa_s->conf->ap_scan == 0 && |
c2a04078 | 216 | (wpa_s->drv_flags & WPA_DRIVER_FLAGS_WIRED)) |
6fc6879b JM |
217 | return; |
218 | ||
f049052b | 219 | wpa_dbg(wpa_s, MSG_DEBUG, "Setting authentication timeout: %d sec " |
6fc6879b JM |
220 | "%d usec", sec, usec); |
221 | eloop_cancel_timeout(wpa_supplicant_timeout, wpa_s, NULL); | |
222 | eloop_register_timeout(sec, usec, wpa_supplicant_timeout, wpa_s, NULL); | |
223 | } | |
224 | ||
225 | ||
226 | /** | |
227 | * wpa_supplicant_cancel_auth_timeout - Cancel authentication timeout | |
228 | * @wpa_s: Pointer to wpa_supplicant data | |
229 | * | |
230 | * This function is used to cancel authentication timeout scheduled with | |
231 | * wpa_supplicant_req_auth_timeout() and it is called when authentication has | |
232 | * been completed. | |
233 | */ | |
234 | void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant *wpa_s) | |
235 | { | |
f049052b | 236 | wpa_dbg(wpa_s, MSG_DEBUG, "Cancelling authentication timeout"); |
6fc6879b JM |
237 | eloop_cancel_timeout(wpa_supplicant_timeout, wpa_s, NULL); |
238 | wpa_blacklist_del(wpa_s, wpa_s->bssid); | |
239 | } | |
240 | ||
241 | ||
242 | /** | |
243 | * wpa_supplicant_initiate_eapol - Configure EAPOL state machine | |
244 | * @wpa_s: Pointer to wpa_supplicant data | |
245 | * | |
246 | * This function is used to configure EAPOL state machine based on the selected | |
247 | * authentication mode. | |
248 | */ | |
249 | void wpa_supplicant_initiate_eapol(struct wpa_supplicant *wpa_s) | |
250 | { | |
251 | #ifdef IEEE8021X_EAPOL | |
252 | struct eapol_config eapol_conf; | |
253 | struct wpa_ssid *ssid = wpa_s->current_ssid; | |
254 | ||
53895c3b | 255 | #ifdef CONFIG_IBSS_RSN |
d7dcba70 | 256 | if (ssid->mode == WPAS_MODE_IBSS && |
53895c3b JM |
257 | wpa_s->key_mgmt != WPA_KEY_MGMT_NONE && |
258 | wpa_s->key_mgmt != WPA_KEY_MGMT_WPA_NONE) { | |
259 | /* | |
260 | * RSN IBSS authentication is per-STA and we can disable the | |
261 | * per-BSSID EAPOL authentication. | |
262 | */ | |
263 | eapol_sm_notify_portControl(wpa_s->eapol, ForceAuthorized); | |
264 | eapol_sm_notify_eap_success(wpa_s->eapol, TRUE); | |
265 | eapol_sm_notify_eap_fail(wpa_s->eapol, FALSE); | |
266 | return; | |
267 | } | |
268 | #endif /* CONFIG_IBSS_RSN */ | |
269 | ||
0a40ec6a JM |
270 | eapol_sm_notify_eap_success(wpa_s->eapol, FALSE); |
271 | eapol_sm_notify_eap_fail(wpa_s->eapol, FALSE); | |
272 | ||
6fc6879b JM |
273 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE || |
274 | wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) | |
275 | eapol_sm_notify_portControl(wpa_s->eapol, ForceAuthorized); | |
276 | else | |
277 | eapol_sm_notify_portControl(wpa_s->eapol, Auto); | |
278 | ||
279 | os_memset(&eapol_conf, 0, sizeof(eapol_conf)); | |
280 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) { | |
281 | eapol_conf.accept_802_1x_keys = 1; | |
282 | eapol_conf.required_keys = 0; | |
283 | if (ssid->eapol_flags & EAPOL_FLAG_REQUIRE_KEY_UNICAST) { | |
284 | eapol_conf.required_keys |= EAPOL_REQUIRE_KEY_UNICAST; | |
285 | } | |
286 | if (ssid->eapol_flags & EAPOL_FLAG_REQUIRE_KEY_BROADCAST) { | |
287 | eapol_conf.required_keys |= | |
288 | EAPOL_REQUIRE_KEY_BROADCAST; | |
289 | } | |
290 | ||
a2a535f8 | 291 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_WIRED) |
6fc6879b | 292 | eapol_conf.required_keys = 0; |
6fc6879b | 293 | } |
a2a535f8 | 294 | eapol_conf.fast_reauth = wpa_s->conf->fast_reauth; |
6fc6879b | 295 | eapol_conf.workaround = ssid->eap_workaround; |
56586197 JM |
296 | eapol_conf.eap_disabled = |
297 | !wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) && | |
ad08c363 JM |
298 | wpa_s->key_mgmt != WPA_KEY_MGMT_IEEE8021X_NO_WPA && |
299 | wpa_s->key_mgmt != WPA_KEY_MGMT_WPS; | |
a5d44ac0 | 300 | eapol_conf.external_sim = wpa_s->conf->external_sim; |
6fc6879b JM |
301 | eapol_sm_notify_config(wpa_s->eapol, &ssid->eap, &eapol_conf); |
302 | #endif /* IEEE8021X_EAPOL */ | |
303 | } | |
304 | ||
305 | ||
306 | /** | |
307 | * wpa_supplicant_set_non_wpa_policy - Set WPA parameters to non-WPA mode | |
308 | * @wpa_s: Pointer to wpa_supplicant data | |
309 | * @ssid: Configuration data for the network | |
310 | * | |
311 | * This function is used to configure WPA state machine and related parameters | |
312 | * to a mode where WPA is not enabled. This is called as part of the | |
313 | * authentication configuration when the selected network does not use WPA. | |
314 | */ | |
315 | void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant *wpa_s, | |
316 | struct wpa_ssid *ssid) | |
317 | { | |
318 | int i; | |
319 | ||
ad08c363 JM |
320 | if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) |
321 | wpa_s->key_mgmt = WPA_KEY_MGMT_WPS; | |
322 | else if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) | |
6fc6879b JM |
323 | wpa_s->key_mgmt = WPA_KEY_MGMT_IEEE8021X_NO_WPA; |
324 | else | |
325 | wpa_s->key_mgmt = WPA_KEY_MGMT_NONE; | |
326 | wpa_sm_set_ap_wpa_ie(wpa_s->wpa, NULL, 0); | |
327 | wpa_sm_set_ap_rsn_ie(wpa_s->wpa, NULL, 0); | |
328 | wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0); | |
329 | wpa_s->pairwise_cipher = WPA_CIPHER_NONE; | |
330 | wpa_s->group_cipher = WPA_CIPHER_NONE; | |
331 | wpa_s->mgmt_group_cipher = 0; | |
332 | ||
333 | for (i = 0; i < NUM_WEP_KEYS; i++) { | |
334 | if (ssid->wep_key_len[i] > 5) { | |
335 | wpa_s->pairwise_cipher = WPA_CIPHER_WEP104; | |
336 | wpa_s->group_cipher = WPA_CIPHER_WEP104; | |
337 | break; | |
338 | } else if (ssid->wep_key_len[i] > 0) { | |
339 | wpa_s->pairwise_cipher = WPA_CIPHER_WEP40; | |
340 | wpa_s->group_cipher = WPA_CIPHER_WEP40; | |
341 | break; | |
342 | } | |
343 | } | |
344 | ||
345 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_RSN_ENABLED, 0); | |
346 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_KEY_MGMT, wpa_s->key_mgmt); | |
347 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_PAIRWISE, | |
348 | wpa_s->pairwise_cipher); | |
349 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_GROUP, wpa_s->group_cipher); | |
350 | #ifdef CONFIG_IEEE80211W | |
351 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_MGMT_GROUP, | |
352 | wpa_s->mgmt_group_cipher); | |
353 | #endif /* CONFIG_IEEE80211W */ | |
354 | ||
355 | pmksa_cache_clear_current(wpa_s->wpa); | |
356 | } | |
357 | ||
358 | ||
6979582c | 359 | void free_hw_features(struct wpa_supplicant *wpa_s) |
6bf731e8 CL |
360 | { |
361 | int i; | |
362 | if (wpa_s->hw.modes == NULL) | |
363 | return; | |
364 | ||
365 | for (i = 0; i < wpa_s->hw.num_modes; i++) { | |
366 | os_free(wpa_s->hw.modes[i].channels); | |
367 | os_free(wpa_s->hw.modes[i].rates); | |
368 | } | |
369 | ||
370 | os_free(wpa_s->hw.modes); | |
371 | wpa_s->hw.modes = NULL; | |
372 | } | |
373 | ||
374 | ||
6fc6879b JM |
375 | static void wpa_supplicant_cleanup(struct wpa_supplicant *wpa_s) |
376 | { | |
60b94c98 | 377 | bgscan_deinit(wpa_s); |
7c865c68 | 378 | autoscan_deinit(wpa_s); |
6fc6879b JM |
379 | scard_deinit(wpa_s->scard); |
380 | wpa_s->scard = NULL; | |
381 | wpa_sm_set_scard_ctx(wpa_s->wpa, NULL); | |
382 | eapol_sm_register_scard_ctx(wpa_s->eapol, NULL); | |
383 | l2_packet_deinit(wpa_s->l2); | |
384 | wpa_s->l2 = NULL; | |
385 | if (wpa_s->l2_br) { | |
386 | l2_packet_deinit(wpa_s->l2_br); | |
387 | wpa_s->l2_br = NULL; | |
388 | } | |
389 | ||
6fc6879b | 390 | if (wpa_s->conf != NULL) { |
8e56d189 JM |
391 | struct wpa_ssid *ssid; |
392 | for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) | |
393 | wpas_notify_network_removed(wpa_s, ssid); | |
6fc6879b JM |
394 | } |
395 | ||
396 | os_free(wpa_s->confname); | |
397 | wpa_s->confname = NULL; | |
398 | ||
e6304cad DS |
399 | os_free(wpa_s->confanother); |
400 | wpa_s->confanother = NULL; | |
401 | ||
6fc6879b JM |
402 | wpa_sm_set_eapol(wpa_s->wpa, NULL); |
403 | eapol_sm_deinit(wpa_s->eapol); | |
404 | wpa_s->eapol = NULL; | |
405 | ||
406 | rsn_preauth_deinit(wpa_s->wpa); | |
407 | ||
281ff0aa GP |
408 | #ifdef CONFIG_TDLS |
409 | wpa_tdls_deinit(wpa_s->wpa); | |
410 | #endif /* CONFIG_TDLS */ | |
411 | ||
6fc6879b JM |
412 | pmksa_candidate_free(wpa_s->wpa); |
413 | wpa_sm_deinit(wpa_s->wpa); | |
414 | wpa_s->wpa = NULL; | |
415 | wpa_blacklist_clear(wpa_s); | |
416 | ||
83922c2d | 417 | wpa_bss_deinit(wpa_s); |
6fc6879b | 418 | |
831770bf | 419 | wpa_supplicant_cancel_delayed_sched_scan(wpa_s); |
6fc6879b JM |
420 | wpa_supplicant_cancel_scan(wpa_s); |
421 | wpa_supplicant_cancel_auth_timeout(wpa_s); | |
01a17491 JM |
422 | eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL); |
423 | #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT | |
424 | eloop_cancel_timeout(wpa_supplicant_delayed_mic_error_report, | |
425 | wpa_s, NULL); | |
426 | #endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */ | |
6fc6879b | 427 | |
116654ce | 428 | wpas_wps_deinit(wpa_s); |
11ef8d35 | 429 | |
1ff73338 JM |
430 | wpabuf_free(wpa_s->pending_eapol_rx); |
431 | wpa_s->pending_eapol_rx = NULL; | |
432 | ||
11ef8d35 JM |
433 | #ifdef CONFIG_IBSS_RSN |
434 | ibss_rsn_deinit(wpa_s->ibss_rsn); | |
435 | wpa_s->ibss_rsn = NULL; | |
436 | #endif /* CONFIG_IBSS_RSN */ | |
c2a04078 | 437 | |
e29853bb | 438 | sme_deinit(wpa_s); |
2d5b792d JM |
439 | |
440 | #ifdef CONFIG_AP | |
441 | wpa_supplicant_ap_deinit(wpa_s); | |
442 | #endif /* CONFIG_AP */ | |
b22128ef JM |
443 | |
444 | #ifdef CONFIG_P2P | |
445 | wpas_p2p_deinit(wpa_s); | |
446 | #endif /* CONFIG_P2P */ | |
f47d639d | 447 | |
24f6497c JM |
448 | #ifdef CONFIG_OFFCHANNEL |
449 | offchannel_deinit(wpa_s); | |
450 | #endif /* CONFIG_OFFCHANNEL */ | |
451 | ||
a4cba8f1 LC |
452 | wpa_supplicant_cancel_sched_scan(wpa_s); |
453 | ||
f47d639d JM |
454 | os_free(wpa_s->next_scan_freqs); |
455 | wpa_s->next_scan_freqs = NULL; | |
fee52342 JM |
456 | |
457 | os_free(wpa_s->manual_scan_freqs); | |
458 | wpa_s->manual_scan_freqs = NULL; | |
04ea7b79 JM |
459 | |
460 | gas_query_deinit(wpa_s->gas); | |
461 | wpa_s->gas = NULL; | |
6bf731e8 CL |
462 | |
463 | free_hw_features(wpa_s); | |
d445a5cd JM |
464 | |
465 | os_free(wpa_s->bssid_filter); | |
466 | wpa_s->bssid_filter = NULL; | |
b6668734 | 467 | |
6407f413 JM |
468 | os_free(wpa_s->disallow_aps_bssid); |
469 | wpa_s->disallow_aps_bssid = NULL; | |
470 | os_free(wpa_s->disallow_aps_ssid); | |
471 | wpa_s->disallow_aps_ssid = NULL; | |
472 | ||
b6668734 | 473 | wnm_bss_keep_alive_deinit(wpa_s); |
e27d20bb VK |
474 | #ifdef CONFIG_WNM |
475 | wnm_deallocate_memory(wpa_s); | |
476 | #endif /* CONFIG_WNM */ | |
306ae225 JM |
477 | |
478 | ext_password_deinit(wpa_s->ext_pw); | |
479 | wpa_s->ext_pw = NULL; | |
b1f12296 JM |
480 | |
481 | wpabuf_free(wpa_s->last_gas_resp); | |
a297201d JM |
482 | |
483 | os_free(wpa_s->last_scan_res); | |
484 | wpa_s->last_scan_res = NULL; | |
6fc6879b JM |
485 | } |
486 | ||
487 | ||
488 | /** | |
489 | * wpa_clear_keys - Clear keys configured for the driver | |
490 | * @wpa_s: Pointer to wpa_supplicant data | |
491 | * @addr: Previously used BSSID or %NULL if not available | |
492 | * | |
493 | * This function clears the encryption keys that has been previously configured | |
494 | * for the driver. | |
495 | */ | |
496 | void wpa_clear_keys(struct wpa_supplicant *wpa_s, const u8 *addr) | |
497 | { | |
6fc6879b JM |
498 | if (wpa_s->keys_cleared) { |
499 | /* Some drivers (e.g., ndiswrapper & NDIS drivers) seem to have | |
500 | * timing issues with keys being cleared just before new keys | |
501 | * are set or just after association or something similar. This | |
502 | * shows up in group key handshake failing often because of the | |
503 | * client not receiving the first encrypted packets correctly. | |
504 | * Skipping some of the extra key clearing steps seems to help | |
505 | * in completing group key handshake more reliably. */ | |
f049052b BG |
506 | wpa_dbg(wpa_s, MSG_DEBUG, "No keys have been configured - " |
507 | "skip key clearing"); | |
6fc6879b JM |
508 | return; |
509 | } | |
510 | ||
511 | /* MLME-DELETEKEYS.request */ | |
0382097e JM |
512 | wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0); |
513 | wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0); | |
514 | wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0); | |
515 | wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0); | |
0e27f655 | 516 | #ifdef CONFIG_IEEE80211W |
0382097e JM |
517 | wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0); |
518 | wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0); | |
0e27f655 | 519 | #endif /* CONFIG_IEEE80211W */ |
6fc6879b JM |
520 | if (addr) { |
521 | wpa_drv_set_key(wpa_s, WPA_ALG_NONE, addr, 0, 0, NULL, 0, NULL, | |
522 | 0); | |
523 | /* MLME-SETPROTECTION.request(None) */ | |
524 | wpa_drv_mlme_setprotection( | |
525 | wpa_s, addr, | |
526 | MLME_SETPROTECTION_PROTECT_TYPE_NONE, | |
527 | MLME_SETPROTECTION_KEY_TYPE_PAIRWISE); | |
528 | } | |
529 | wpa_s->keys_cleared = 1; | |
530 | } | |
531 | ||
532 | ||
533 | /** | |
534 | * wpa_supplicant_state_txt - Get the connection state name as a text string | |
535 | * @state: State (wpa_state; WPA_*) | |
536 | * Returns: The state name as a printable text string | |
537 | */ | |
71934751 | 538 | const char * wpa_supplicant_state_txt(enum wpa_states state) |
6fc6879b JM |
539 | { |
540 | switch (state) { | |
541 | case WPA_DISCONNECTED: | |
542 | return "DISCONNECTED"; | |
543 | case WPA_INACTIVE: | |
544 | return "INACTIVE"; | |
8401a6b0 JM |
545 | case WPA_INTERFACE_DISABLED: |
546 | return "INTERFACE_DISABLED"; | |
6fc6879b JM |
547 | case WPA_SCANNING: |
548 | return "SCANNING"; | |
c2a04078 JM |
549 | case WPA_AUTHENTICATING: |
550 | return "AUTHENTICATING"; | |
6fc6879b JM |
551 | case WPA_ASSOCIATING: |
552 | return "ASSOCIATING"; | |
553 | case WPA_ASSOCIATED: | |
554 | return "ASSOCIATED"; | |
555 | case WPA_4WAY_HANDSHAKE: | |
556 | return "4WAY_HANDSHAKE"; | |
557 | case WPA_GROUP_HANDSHAKE: | |
558 | return "GROUP_HANDSHAKE"; | |
559 | case WPA_COMPLETED: | |
560 | return "COMPLETED"; | |
561 | default: | |
562 | return "UNKNOWN"; | |
563 | } | |
564 | } | |
565 | ||
566 | ||
cfe53c9a PS |
567 | #ifdef CONFIG_BGSCAN |
568 | ||
569 | static void wpa_supplicant_start_bgscan(struct wpa_supplicant *wpa_s) | |
570 | { | |
31392709 HD |
571 | const char *name; |
572 | ||
573 | if (wpa_s->current_ssid && wpa_s->current_ssid->bgscan) | |
574 | name = wpa_s->current_ssid->bgscan; | |
575 | else | |
576 | name = wpa_s->conf->bgscan; | |
577 | if (name == NULL) | |
578 | return; | |
0096c427 JM |
579 | if (wpas_driver_bss_selection(wpa_s)) |
580 | return; | |
cfe53c9a PS |
581 | if (wpa_s->current_ssid == wpa_s->bgscan_ssid) |
582 | return; | |
583 | ||
584 | bgscan_deinit(wpa_s); | |
31392709 HD |
585 | if (wpa_s->current_ssid) { |
586 | if (bgscan_init(wpa_s, wpa_s->current_ssid, name)) { | |
cfe53c9a PS |
587 | wpa_dbg(wpa_s, MSG_DEBUG, "Failed to initialize " |
588 | "bgscan"); | |
589 | /* | |
590 | * Live without bgscan; it is only used as a roaming | |
591 | * optimization, so the initial connection is not | |
592 | * affected. | |
593 | */ | |
6409b7a7 YD |
594 | } else { |
595 | struct wpa_scan_results *scan_res; | |
cfe53c9a | 596 | wpa_s->bgscan_ssid = wpa_s->current_ssid; |
6409b7a7 YD |
597 | scan_res = wpa_supplicant_get_scan_results(wpa_s, NULL, |
598 | 0); | |
599 | if (scan_res) { | |
600 | bgscan_notify_scan(wpa_s, scan_res); | |
601 | wpa_scan_results_free(scan_res); | |
602 | } | |
603 | } | |
cfe53c9a PS |
604 | } else |
605 | wpa_s->bgscan_ssid = NULL; | |
606 | } | |
607 | ||
608 | ||
609 | static void wpa_supplicant_stop_bgscan(struct wpa_supplicant *wpa_s) | |
610 | { | |
611 | if (wpa_s->bgscan_ssid != NULL) { | |
612 | bgscan_deinit(wpa_s); | |
613 | wpa_s->bgscan_ssid = NULL; | |
614 | } | |
615 | } | |
616 | ||
617 | #endif /* CONFIG_BGSCAN */ | |
618 | ||
619 | ||
7c865c68 TB |
620 | static void wpa_supplicant_start_autoscan(struct wpa_supplicant *wpa_s) |
621 | { | |
99218999 | 622 | if (autoscan_init(wpa_s, 0)) |
7c865c68 TB |
623 | wpa_dbg(wpa_s, MSG_DEBUG, "Failed to initialize autoscan"); |
624 | } | |
625 | ||
626 | ||
627 | static void wpa_supplicant_stop_autoscan(struct wpa_supplicant *wpa_s) | |
628 | { | |
629 | autoscan_deinit(wpa_s); | |
630 | } | |
631 | ||
632 | ||
c3d12238 JM |
633 | void wpa_supplicant_reinit_autoscan(struct wpa_supplicant *wpa_s) |
634 | { | |
635 | if (wpa_s->wpa_state == WPA_DISCONNECTED || | |
636 | wpa_s->wpa_state == WPA_SCANNING) { | |
637 | autoscan_deinit(wpa_s); | |
638 | wpa_supplicant_start_autoscan(wpa_s); | |
639 | } | |
640 | } | |
641 | ||
642 | ||
6fc6879b JM |
643 | /** |
644 | * wpa_supplicant_set_state - Set current connection state | |
645 | * @wpa_s: Pointer to wpa_supplicant data | |
646 | * @state: The new connection state | |
647 | * | |
648 | * This function is called whenever the connection state changes, e.g., | |
649 | * association is completed for WPA/WPA2 4-Way Handshake is started. | |
650 | */ | |
71934751 JM |
651 | void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s, |
652 | enum wpa_states state) | |
6fc6879b | 653 | { |
27f43d8d MH |
654 | enum wpa_states old_state = wpa_s->wpa_state; |
655 | ||
f049052b BG |
656 | wpa_dbg(wpa_s, MSG_DEBUG, "State: %s -> %s", |
657 | wpa_supplicant_state_txt(wpa_s->wpa_state), | |
658 | wpa_supplicant_state_txt(state)); | |
6fc6879b | 659 | |
cb8564b1 DW |
660 | if (state != WPA_SCANNING) |
661 | wpa_supplicant_notify_scanning(wpa_s, 0); | |
662 | ||
6fc6879b | 663 | if (state == WPA_COMPLETED && wpa_s->new_connection) { |
6fc6879b | 664 | struct wpa_ssid *ssid = wpa_s->current_ssid; |
7d37a357 | 665 | #if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG) |
6fc6879b | 666 | wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED "- Connection to " |
1cfc6787 JM |
667 | MACSTR " completed [id=%d id_str=%s]", |
668 | MAC2STR(wpa_s->bssid), | |
6fc6879b JM |
669 | ssid ? ssid->id : -1, |
670 | ssid && ssid->id_str ? ssid->id_str : ""); | |
671 | #endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */ | |
00e5e3d5 | 672 | wpas_clear_temp_disabled(wpa_s, ssid, 1); |
f1a52633 | 673 | wpa_s->extra_blacklist_count = 0; |
6fc6879b | 674 | wpa_s->new_connection = 0; |
6fc6879b | 675 | wpa_drv_set_operstate(wpa_s, 1); |
99ac2913 FF |
676 | #ifndef IEEE8021X_EAPOL |
677 | wpa_drv_set_supp_port(wpa_s, 1); | |
678 | #endif /* IEEE8021X_EAPOL */ | |
17a4734d | 679 | wpa_s->after_wps = 0; |
4d9fb08d | 680 | wpa_s->known_wps_freq = 0; |
b22128ef JM |
681 | #ifdef CONFIG_P2P |
682 | wpas_p2p_completed(wpa_s); | |
683 | #endif /* CONFIG_P2P */ | |
c3701c66 RM |
684 | |
685 | sme_sched_obss_scan(wpa_s, 1); | |
6fc6879b JM |
686 | } else if (state == WPA_DISCONNECTED || state == WPA_ASSOCIATING || |
687 | state == WPA_ASSOCIATED) { | |
688 | wpa_s->new_connection = 1; | |
689 | wpa_drv_set_operstate(wpa_s, 0); | |
99ac2913 FF |
690 | #ifndef IEEE8021X_EAPOL |
691 | wpa_drv_set_supp_port(wpa_s, 0); | |
692 | #endif /* IEEE8021X_EAPOL */ | |
c3701c66 | 693 | sme_sched_obss_scan(wpa_s, 0); |
6fc6879b JM |
694 | } |
695 | wpa_s->wpa_state = state; | |
27f43d8d | 696 | |
cfe53c9a PS |
697 | #ifdef CONFIG_BGSCAN |
698 | if (state == WPA_COMPLETED) | |
699 | wpa_supplicant_start_bgscan(wpa_s); | |
37271232 | 700 | else if (state < WPA_ASSOCIATED) |
cfe53c9a PS |
701 | wpa_supplicant_stop_bgscan(wpa_s); |
702 | #endif /* CONFIG_BGSCAN */ | |
703 | ||
7c865c68 TB |
704 | if (state == WPA_AUTHENTICATING) |
705 | wpa_supplicant_stop_autoscan(wpa_s); | |
706 | ||
707 | if (state == WPA_DISCONNECTED || state == WPA_INACTIVE) | |
708 | wpa_supplicant_start_autoscan(wpa_s); | |
709 | ||
5bbf9f10 | 710 | if (wpa_s->wpa_state != old_state) { |
27f43d8d | 711 | wpas_notify_state_changed(wpa_s, wpa_s->wpa_state, old_state); |
5bbf9f10 PS |
712 | |
713 | if (wpa_s->wpa_state == WPA_COMPLETED || | |
714 | old_state == WPA_COMPLETED) | |
715 | wpas_notify_auth_changed(wpa_s); | |
716 | } | |
6fc6879b JM |
717 | } |
718 | ||
719 | ||
1a1bf008 JM |
720 | void wpa_supplicant_terminate_proc(struct wpa_global *global) |
721 | { | |
722 | int pending = 0; | |
723 | #ifdef CONFIG_WPS | |
724 | struct wpa_supplicant *wpa_s = global->ifaces; | |
725 | while (wpa_s) { | |
ab41595f | 726 | struct wpa_supplicant *next = wpa_s->next; |
20625e97 JM |
727 | #ifdef CONFIG_P2P |
728 | if (wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE || | |
729 | (wpa_s->current_ssid && wpa_s->current_ssid->p2p_group)) | |
730 | wpas_p2p_disconnect(wpa_s); | |
731 | #endif /* CONFIG_P2P */ | |
1a1bf008 JM |
732 | if (wpas_wps_terminate_pending(wpa_s) == 1) |
733 | pending = 1; | |
ab41595f | 734 | wpa_s = next; |
1a1bf008 JM |
735 | } |
736 | #endif /* CONFIG_WPS */ | |
737 | if (pending) | |
738 | return; | |
739 | eloop_terminate(); | |
740 | } | |
741 | ||
742 | ||
0456ea16 | 743 | static void wpa_supplicant_terminate(int sig, void *signal_ctx) |
6fc6879b | 744 | { |
0456ea16 | 745 | struct wpa_global *global = signal_ctx; |
1a1bf008 | 746 | wpa_supplicant_terminate_proc(global); |
6fc6879b JM |
747 | } |
748 | ||
749 | ||
b22128ef | 750 | void wpa_supplicant_clear_status(struct wpa_supplicant *wpa_s) |
6fc6879b | 751 | { |
71934751 | 752 | enum wpa_states old_state = wpa_s->wpa_state; |
27f43d8d | 753 | |
6fc6879b JM |
754 | wpa_s->pairwise_cipher = 0; |
755 | wpa_s->group_cipher = 0; | |
756 | wpa_s->mgmt_group_cipher = 0; | |
757 | wpa_s->key_mgmt = 0; | |
8401a6b0 | 758 | if (wpa_s->wpa_state != WPA_INTERFACE_DISABLED) |
99218999 | 759 | wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); |
27f43d8d MH |
760 | |
761 | if (wpa_s->wpa_state != old_state) | |
762 | wpas_notify_state_changed(wpa_s, wpa_s->wpa_state, old_state); | |
6fc6879b JM |
763 | } |
764 | ||
765 | ||
766 | /** | |
767 | * wpa_supplicant_reload_configuration - Reload configuration data | |
768 | * @wpa_s: Pointer to wpa_supplicant data | |
769 | * Returns: 0 on success or -1 if configuration parsing failed | |
770 | * | |
771 | * This function can be used to request that the configuration data is reloaded | |
772 | * (e.g., after configuration file change). This function is reloading | |
773 | * configuration only for one interface, so this may need to be called multiple | |
774 | * times if %wpa_supplicant is controlling multiple interfaces and all | |
775 | * interfaces need reconfiguration. | |
776 | */ | |
777 | int wpa_supplicant_reload_configuration(struct wpa_supplicant *wpa_s) | |
778 | { | |
779 | struct wpa_config *conf; | |
780 | int reconf_ctrl; | |
8bac466b JM |
781 | int old_ap_scan; |
782 | ||
6fc6879b JM |
783 | if (wpa_s->confname == NULL) |
784 | return -1; | |
e6304cad | 785 | conf = wpa_config_read(wpa_s->confname, NULL); |
6fc6879b JM |
786 | if (conf == NULL) { |
787 | wpa_msg(wpa_s, MSG_ERROR, "Failed to parse the configuration " | |
788 | "file '%s' - exiting", wpa_s->confname); | |
789 | return -1; | |
790 | } | |
e6304cad DS |
791 | wpa_config_read(wpa_s->confanother, conf); |
792 | ||
611aea7d | 793 | conf->changed_parameters = (unsigned int) -1; |
6fc6879b JM |
794 | |
795 | reconf_ctrl = !!conf->ctrl_interface != !!wpa_s->conf->ctrl_interface | |
796 | || (conf->ctrl_interface && wpa_s->conf->ctrl_interface && | |
797 | os_strcmp(conf->ctrl_interface, | |
798 | wpa_s->conf->ctrl_interface) != 0); | |
799 | ||
800 | if (reconf_ctrl && wpa_s->ctrl_iface) { | |
801 | wpa_supplicant_ctrl_iface_deinit(wpa_s->ctrl_iface); | |
802 | wpa_s->ctrl_iface = NULL; | |
803 | } | |
804 | ||
805 | eapol_sm_invalidate_cached_session(wpa_s->eapol); | |
7b7ce8aa JM |
806 | if (wpa_s->current_ssid) { |
807 | wpa_supplicant_deauthenticate(wpa_s, | |
808 | WLAN_REASON_DEAUTH_LEAVING); | |
809 | } | |
8bac466b | 810 | |
6fc6879b JM |
811 | /* |
812 | * TODO: should notify EAPOL SM about changes in opensc_engine_path, | |
813 | * pkcs11_engine_path, pkcs11_module_path. | |
814 | */ | |
56586197 | 815 | if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) { |
6fc6879b JM |
816 | /* |
817 | * Clear forced success to clear EAP state for next | |
818 | * authentication. | |
819 | */ | |
820 | eapol_sm_notify_eap_success(wpa_s->eapol, FALSE); | |
821 | } | |
822 | eapol_sm_notify_config(wpa_s->eapol, NULL, NULL); | |
823 | wpa_sm_set_config(wpa_s->wpa, NULL); | |
d8a790b9 | 824 | wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL); |
6fc6879b JM |
825 | wpa_sm_set_fast_reauth(wpa_s->wpa, wpa_s->conf->fast_reauth); |
826 | rsn_preauth_deinit(wpa_s->wpa); | |
8bac466b JM |
827 | |
828 | old_ap_scan = wpa_s->conf->ap_scan; | |
6fc6879b JM |
829 | wpa_config_free(wpa_s->conf); |
830 | wpa_s->conf = conf; | |
8bac466b JM |
831 | if (old_ap_scan != wpa_s->conf->ap_scan) |
832 | wpas_notify_ap_scan_changed(wpa_s); | |
833 | ||
6fc6879b JM |
834 | if (reconf_ctrl) |
835 | wpa_s->ctrl_iface = wpa_supplicant_ctrl_iface_init(wpa_s); | |
836 | ||
611aea7d JM |
837 | wpa_supplicant_update_config(wpa_s); |
838 | ||
6fc6879b | 839 | wpa_supplicant_clear_status(wpa_s); |
349493bd | 840 | if (wpa_supplicant_enabled_networks(wpa_s)) { |
43a38635 JM |
841 | wpa_s->reassociate = 1; |
842 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
843 | } | |
f049052b | 844 | wpa_dbg(wpa_s, MSG_DEBUG, "Reconfiguration completed"); |
6fc6879b JM |
845 | return 0; |
846 | } | |
847 | ||
848 | ||
0456ea16 | 849 | static void wpa_supplicant_reconfig(int sig, void *signal_ctx) |
6fc6879b | 850 | { |
0456ea16 | 851 | struct wpa_global *global = signal_ctx; |
6fc6879b | 852 | struct wpa_supplicant *wpa_s; |
6fc6879b | 853 | for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) { |
f049052b BG |
854 | wpa_dbg(wpa_s, MSG_DEBUG, "Signal %d received - reconfiguring", |
855 | sig); | |
6fc6879b | 856 | if (wpa_supplicant_reload_configuration(wpa_s) < 0) { |
1a1bf008 | 857 | wpa_supplicant_terminate_proc(global); |
6fc6879b JM |
858 | } |
859 | } | |
860 | } | |
861 | ||
862 | ||
6fc6879b JM |
863 | static int wpa_supplicant_suites_from_ai(struct wpa_supplicant *wpa_s, |
864 | struct wpa_ssid *ssid, | |
865 | struct wpa_ie_data *ie) | |
866 | { | |
867 | int ret = wpa_sm_parse_own_wpa_ie(wpa_s->wpa, ie); | |
868 | if (ret) { | |
869 | if (ret == -2) { | |
870 | wpa_msg(wpa_s, MSG_INFO, "WPA: Failed to parse WPA IE " | |
871 | "from association info"); | |
872 | } | |
873 | return -1; | |
874 | } | |
875 | ||
f049052b BG |
876 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Using WPA IE from AssocReq to set " |
877 | "cipher suites"); | |
6fc6879b JM |
878 | if (!(ie->group_cipher & ssid->group_cipher)) { |
879 | wpa_msg(wpa_s, MSG_INFO, "WPA: Driver used disabled group " | |
880 | "cipher 0x%x (mask 0x%x) - reject", | |
881 | ie->group_cipher, ssid->group_cipher); | |
882 | return -1; | |
883 | } | |
884 | if (!(ie->pairwise_cipher & ssid->pairwise_cipher)) { | |
885 | wpa_msg(wpa_s, MSG_INFO, "WPA: Driver used disabled pairwise " | |
886 | "cipher 0x%x (mask 0x%x) - reject", | |
887 | ie->pairwise_cipher, ssid->pairwise_cipher); | |
888 | return -1; | |
889 | } | |
890 | if (!(ie->key_mgmt & ssid->key_mgmt)) { | |
891 | wpa_msg(wpa_s, MSG_INFO, "WPA: Driver used disabled key " | |
892 | "management 0x%x (mask 0x%x) - reject", | |
893 | ie->key_mgmt, ssid->key_mgmt); | |
894 | return -1; | |
895 | } | |
896 | ||
897 | #ifdef CONFIG_IEEE80211W | |
0b60b0aa | 898 | if (!(ie->capabilities & WPA_CAPABILITY_MFPC) && |
62d49803 JM |
899 | (ssid->ieee80211w == MGMT_FRAME_PROTECTION_DEFAULT ? |
900 | wpa_s->conf->pmf : ssid->ieee80211w) == | |
901 | MGMT_FRAME_PROTECTION_REQUIRED) { | |
6fc6879b JM |
902 | wpa_msg(wpa_s, MSG_INFO, "WPA: Driver associated with an AP " |
903 | "that does not support management frame protection - " | |
904 | "reject"); | |
905 | return -1; | |
906 | } | |
907 | #endif /* CONFIG_IEEE80211W */ | |
908 | ||
909 | return 0; | |
910 | } | |
911 | ||
912 | ||
913 | /** | |
914 | * wpa_supplicant_set_suites - Set authentication and encryption parameters | |
915 | * @wpa_s: Pointer to wpa_supplicant data | |
916 | * @bss: Scan results for the selected BSS, or %NULL if not available | |
917 | * @ssid: Configuration data for the selected network | |
918 | * @wpa_ie: Buffer for the WPA/RSN IE | |
919 | * @wpa_ie_len: Maximum wpa_ie buffer size on input. This is changed to be the | |
920 | * used buffer length in case the functions returns success. | |
921 | * Returns: 0 on success or -1 on failure | |
922 | * | |
923 | * This function is used to configure authentication and encryption parameters | |
924 | * based on the network configuration and scan result for the selected BSS (if | |
925 | * available). | |
926 | */ | |
927 | int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s, | |
6fa81a3b | 928 | struct wpa_bss *bss, struct wpa_ssid *ssid, |
6fc6879b JM |
929 | u8 *wpa_ie, size_t *wpa_ie_len) |
930 | { | |
931 | struct wpa_ie_data ie; | |
932 | int sel, proto; | |
933 | const u8 *bss_wpa, *bss_rsn; | |
934 | ||
935 | if (bss) { | |
6fa81a3b JM |
936 | bss_wpa = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE); |
937 | bss_rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN); | |
6fc6879b JM |
938 | } else |
939 | bss_wpa = bss_rsn = NULL; | |
940 | ||
941 | if (bss_rsn && (ssid->proto & WPA_PROTO_RSN) && | |
942 | wpa_parse_wpa_ie(bss_rsn, 2 + bss_rsn[1], &ie) == 0 && | |
943 | (ie.group_cipher & ssid->group_cipher) && | |
944 | (ie.pairwise_cipher & ssid->pairwise_cipher) && | |
945 | (ie.key_mgmt & ssid->key_mgmt)) { | |
f049052b | 946 | wpa_dbg(wpa_s, MSG_DEBUG, "RSN: using IEEE 802.11i/D9.0"); |
6fc6879b JM |
947 | proto = WPA_PROTO_RSN; |
948 | } else if (bss_wpa && (ssid->proto & WPA_PROTO_WPA) && | |
949 | wpa_parse_wpa_ie(bss_wpa, 2 +bss_wpa[1], &ie) == 0 && | |
950 | (ie.group_cipher & ssid->group_cipher) && | |
951 | (ie.pairwise_cipher & ssid->pairwise_cipher) && | |
952 | (ie.key_mgmt & ssid->key_mgmt)) { | |
f049052b | 953 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using IEEE 802.11i/D3.0"); |
6fc6879b JM |
954 | proto = WPA_PROTO_WPA; |
955 | } else if (bss) { | |
956 | wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to select WPA/RSN"); | |
957 | return -1; | |
958 | } else { | |
959 | if (ssid->proto & WPA_PROTO_RSN) | |
960 | proto = WPA_PROTO_RSN; | |
961 | else | |
962 | proto = WPA_PROTO_WPA; | |
963 | if (wpa_supplicant_suites_from_ai(wpa_s, ssid, &ie) < 0) { | |
964 | os_memset(&ie, 0, sizeof(ie)); | |
965 | ie.group_cipher = ssid->group_cipher; | |
966 | ie.pairwise_cipher = ssid->pairwise_cipher; | |
967 | ie.key_mgmt = ssid->key_mgmt; | |
968 | #ifdef CONFIG_IEEE80211W | |
969 | ie.mgmt_group_cipher = | |
70f8cc8e | 970 | ssid->ieee80211w != NO_MGMT_FRAME_PROTECTION ? |
6fc6879b JM |
971 | WPA_CIPHER_AES_128_CMAC : 0; |
972 | #endif /* CONFIG_IEEE80211W */ | |
f049052b BG |
973 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Set cipher suites " |
974 | "based on configuration"); | |
6fc6879b JM |
975 | } else |
976 | proto = ie.proto; | |
977 | } | |
978 | ||
f049052b BG |
979 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Selected cipher suites: group %d " |
980 | "pairwise %d key_mgmt %d proto %d", | |
981 | ie.group_cipher, ie.pairwise_cipher, ie.key_mgmt, proto); | |
6fc6879b JM |
982 | #ifdef CONFIG_IEEE80211W |
983 | if (ssid->ieee80211w) { | |
f049052b BG |
984 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Selected mgmt group cipher %d", |
985 | ie.mgmt_group_cipher); | |
6fc6879b JM |
986 | } |
987 | #endif /* CONFIG_IEEE80211W */ | |
988 | ||
64fa840a | 989 | wpa_s->wpa_proto = proto; |
6fc6879b JM |
990 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_PROTO, proto); |
991 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_RSN_ENABLED, | |
992 | !!(ssid->proto & WPA_PROTO_RSN)); | |
993 | ||
994 | if (bss || !wpa_s->ap_ies_from_associnfo) { | |
995 | if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, bss_wpa, | |
996 | bss_wpa ? 2 + bss_wpa[1] : 0) || | |
997 | wpa_sm_set_ap_rsn_ie(wpa_s->wpa, bss_rsn, | |
998 | bss_rsn ? 2 + bss_rsn[1] : 0)) | |
999 | return -1; | |
1000 | } | |
1001 | ||
1002 | sel = ie.group_cipher & ssid->group_cipher; | |
edbd2a19 JM |
1003 | wpa_s->group_cipher = wpa_pick_group_cipher(sel); |
1004 | if (wpa_s->group_cipher < 0) { | |
f049052b BG |
1005 | wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to select group " |
1006 | "cipher"); | |
6fc6879b JM |
1007 | return -1; |
1008 | } | |
edbd2a19 JM |
1009 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using GTK %s", |
1010 | wpa_cipher_txt(wpa_s->group_cipher)); | |
6fc6879b JM |
1011 | |
1012 | sel = ie.pairwise_cipher & ssid->pairwise_cipher; | |
edbd2a19 JM |
1013 | wpa_s->pairwise_cipher = wpa_pick_pairwise_cipher(sel, 1); |
1014 | if (wpa_s->pairwise_cipher < 0) { | |
f049052b BG |
1015 | wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to select pairwise " |
1016 | "cipher"); | |
6fc6879b JM |
1017 | return -1; |
1018 | } | |
edbd2a19 JM |
1019 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using PTK %s", |
1020 | wpa_cipher_txt(wpa_s->pairwise_cipher)); | |
6fc6879b JM |
1021 | |
1022 | sel = ie.key_mgmt & ssid->key_mgmt; | |
c10347f2 JM |
1023 | #ifdef CONFIG_SAE |
1024 | if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SAE)) | |
1025 | sel &= ~(WPA_KEY_MGMT_SAE | WPA_KEY_MGMT_FT_SAE); | |
1026 | #endif /* CONFIG_SAE */ | |
6fc6879b JM |
1027 | if (0) { |
1028 | #ifdef CONFIG_IEEE80211R | |
1029 | } else if (sel & WPA_KEY_MGMT_FT_IEEE8021X) { | |
1030 | wpa_s->key_mgmt = WPA_KEY_MGMT_FT_IEEE8021X; | |
f049052b | 1031 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT FT/802.1X"); |
6fc6879b JM |
1032 | } else if (sel & WPA_KEY_MGMT_FT_PSK) { |
1033 | wpa_s->key_mgmt = WPA_KEY_MGMT_FT_PSK; | |
f049052b | 1034 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT FT/PSK"); |
6fc6879b | 1035 | #endif /* CONFIG_IEEE80211R */ |
c10347f2 JM |
1036 | #ifdef CONFIG_SAE |
1037 | } else if (sel & WPA_KEY_MGMT_SAE) { | |
1038 | wpa_s->key_mgmt = WPA_KEY_MGMT_SAE; | |
1039 | wpa_dbg(wpa_s, MSG_DEBUG, "RSN: using KEY_MGMT SAE"); | |
1040 | } else if (sel & WPA_KEY_MGMT_FT_SAE) { | |
1041 | wpa_s->key_mgmt = WPA_KEY_MGMT_FT_SAE; | |
1042 | wpa_dbg(wpa_s, MSG_DEBUG, "RSN: using KEY_MGMT FT/SAE"); | |
1043 | #endif /* CONFIG_SAE */ | |
56586197 JM |
1044 | #ifdef CONFIG_IEEE80211W |
1045 | } else if (sel & WPA_KEY_MGMT_IEEE8021X_SHA256) { | |
1046 | wpa_s->key_mgmt = WPA_KEY_MGMT_IEEE8021X_SHA256; | |
f049052b | 1047 | wpa_dbg(wpa_s, MSG_DEBUG, |
56586197 JM |
1048 | "WPA: using KEY_MGMT 802.1X with SHA256"); |
1049 | } else if (sel & WPA_KEY_MGMT_PSK_SHA256) { | |
1050 | wpa_s->key_mgmt = WPA_KEY_MGMT_PSK_SHA256; | |
f049052b | 1051 | wpa_dbg(wpa_s, MSG_DEBUG, |
56586197 JM |
1052 | "WPA: using KEY_MGMT PSK with SHA256"); |
1053 | #endif /* CONFIG_IEEE80211W */ | |
6fc6879b JM |
1054 | } else if (sel & WPA_KEY_MGMT_IEEE8021X) { |
1055 | wpa_s->key_mgmt = WPA_KEY_MGMT_IEEE8021X; | |
f049052b | 1056 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT 802.1X"); |
6fc6879b JM |
1057 | } else if (sel & WPA_KEY_MGMT_PSK) { |
1058 | wpa_s->key_mgmt = WPA_KEY_MGMT_PSK; | |
f049052b | 1059 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT WPA-PSK"); |
6fc6879b JM |
1060 | } else if (sel & WPA_KEY_MGMT_WPA_NONE) { |
1061 | wpa_s->key_mgmt = WPA_KEY_MGMT_WPA_NONE; | |
f049052b | 1062 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT WPA-NONE"); |
6fc6879b | 1063 | } else { |
f049052b BG |
1064 | wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to select " |
1065 | "authenticated key management type"); | |
6fc6879b JM |
1066 | return -1; |
1067 | } | |
1068 | ||
1069 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_KEY_MGMT, wpa_s->key_mgmt); | |
1070 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_PAIRWISE, | |
1071 | wpa_s->pairwise_cipher); | |
1072 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_GROUP, wpa_s->group_cipher); | |
1073 | ||
1074 | #ifdef CONFIG_IEEE80211W | |
1075 | sel = ie.mgmt_group_cipher; | |
62d49803 JM |
1076 | if ((ssid->ieee80211w == MGMT_FRAME_PROTECTION_DEFAULT ? |
1077 | wpa_s->conf->pmf : ssid->ieee80211w) == NO_MGMT_FRAME_PROTECTION || | |
0b60b0aa | 1078 | !(ie.capabilities & WPA_CAPABILITY_MFPC)) |
6fc6879b JM |
1079 | sel = 0; |
1080 | if (sel & WPA_CIPHER_AES_128_CMAC) { | |
1081 | wpa_s->mgmt_group_cipher = WPA_CIPHER_AES_128_CMAC; | |
f049052b | 1082 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using MGMT group cipher " |
6fc6879b JM |
1083 | "AES-128-CMAC"); |
1084 | } else { | |
1085 | wpa_s->mgmt_group_cipher = 0; | |
f049052b | 1086 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: not using MGMT group cipher"); |
6fc6879b JM |
1087 | } |
1088 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_MGMT_GROUP, | |
1089 | wpa_s->mgmt_group_cipher); | |
62d49803 JM |
1090 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_MFP, |
1091 | (ssid->ieee80211w == MGMT_FRAME_PROTECTION_DEFAULT ? | |
1092 | wpa_s->conf->pmf : ssid->ieee80211w)); | |
6fc6879b JM |
1093 | #endif /* CONFIG_IEEE80211W */ |
1094 | ||
1095 | if (wpa_sm_set_assoc_wpa_ie_default(wpa_s->wpa, wpa_ie, wpa_ie_len)) { | |
f049052b | 1096 | wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to generate WPA IE"); |
6fc6879b JM |
1097 | return -1; |
1098 | } | |
1099 | ||
0bf927a0 | 1100 | if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt)) { |
6fc6879b | 1101 | wpa_sm_set_pmk(wpa_s->wpa, ssid->psk, PMK_LEN); |
7d232e23 ZC |
1102 | #ifndef CONFIG_NO_PBKDF2 |
1103 | if (bss && ssid->bssid_set && ssid->ssid_len == 0 && | |
1104 | ssid->passphrase) { | |
1105 | u8 psk[PMK_LEN]; | |
986de33d JM |
1106 | pbkdf2_sha1(ssid->passphrase, bss->ssid, bss->ssid_len, |
1107 | 4096, psk, PMK_LEN); | |
7d232e23 ZC |
1108 | wpa_hexdump_key(MSG_MSGDUMP, "PSK (from passphrase)", |
1109 | psk, PMK_LEN); | |
1110 | wpa_sm_set_pmk(wpa_s->wpa, psk, PMK_LEN); | |
1111 | } | |
1112 | #endif /* CONFIG_NO_PBKDF2 */ | |
9173b16f JM |
1113 | #ifdef CONFIG_EXT_PASSWORD |
1114 | if (ssid->ext_psk) { | |
1115 | struct wpabuf *pw = ext_password_get(wpa_s->ext_pw, | |
1116 | ssid->ext_psk); | |
1117 | char pw_str[64 + 1]; | |
1118 | u8 psk[PMK_LEN]; | |
1119 | ||
1120 | if (pw == NULL) { | |
1121 | wpa_msg(wpa_s, MSG_INFO, "EXT PW: No PSK " | |
1122 | "found from external storage"); | |
1123 | return -1; | |
1124 | } | |
1125 | ||
1126 | if (wpabuf_len(pw) < 8 || wpabuf_len(pw) > 64) { | |
1127 | wpa_msg(wpa_s, MSG_INFO, "EXT PW: Unexpected " | |
1128 | "PSK length %d in external storage", | |
1129 | (int) wpabuf_len(pw)); | |
1130 | ext_password_free(pw); | |
1131 | return -1; | |
1132 | } | |
1133 | ||
1134 | os_memcpy(pw_str, wpabuf_head(pw), wpabuf_len(pw)); | |
1135 | pw_str[wpabuf_len(pw)] = '\0'; | |
1136 | ||
1137 | #ifndef CONFIG_NO_PBKDF2 | |
1138 | if (wpabuf_len(pw) >= 8 && wpabuf_len(pw) < 64 && bss) | |
1139 | { | |
986de33d JM |
1140 | pbkdf2_sha1(pw_str, bss->ssid, bss->ssid_len, |
1141 | 4096, psk, PMK_LEN); | |
9173b16f JM |
1142 | os_memset(pw_str, 0, sizeof(pw_str)); |
1143 | wpa_hexdump_key(MSG_MSGDUMP, "PSK (from " | |
1144 | "external passphrase)", | |
1145 | psk, PMK_LEN); | |
1146 | wpa_sm_set_pmk(wpa_s->wpa, psk, PMK_LEN); | |
1147 | } else | |
1148 | #endif /* CONFIG_NO_PBKDF2 */ | |
1149 | if (wpabuf_len(pw) == 2 * PMK_LEN) { | |
1150 | if (hexstr2bin(pw_str, psk, PMK_LEN) < 0) { | |
1151 | wpa_msg(wpa_s, MSG_INFO, "EXT PW: " | |
1152 | "Invalid PSK hex string"); | |
1153 | os_memset(pw_str, 0, sizeof(pw_str)); | |
1154 | ext_password_free(pw); | |
1155 | return -1; | |
1156 | } | |
1157 | wpa_sm_set_pmk(wpa_s->wpa, psk, PMK_LEN); | |
1158 | } else { | |
1159 | wpa_msg(wpa_s, MSG_INFO, "EXT PW: No suitable " | |
1160 | "PSK available"); | |
1161 | os_memset(pw_str, 0, sizeof(pw_str)); | |
1162 | ext_password_free(pw); | |
1163 | return -1; | |
1164 | } | |
1165 | ||
1166 | os_memset(pw_str, 0, sizeof(pw_str)); | |
1167 | ext_password_free(pw); | |
1168 | } | |
1169 | #endif /* CONFIG_EXT_PASSWORD */ | |
7d232e23 | 1170 | } else |
6fc6879b JM |
1171 | wpa_sm_set_pmk_from_pmksa(wpa_s->wpa); |
1172 | ||
1173 | return 0; | |
1174 | } | |
1175 | ||
1176 | ||
8cd6b7bc | 1177 | static void wpas_ext_capab_byte(struct wpa_supplicant *wpa_s, u8 *pos, int idx) |
03e47c9c | 1178 | { |
8cd6b7bc | 1179 | *pos = 0x00; |
03e47c9c | 1180 | |
8cd6b7bc JB |
1181 | switch (idx) { |
1182 | case 0: /* Bits 0-7 */ | |
1183 | break; | |
1184 | case 1: /* Bits 8-15 */ | |
1185 | break; | |
1186 | case 2: /* Bits 16-23 */ | |
1187 | #ifdef CONFIG_WNM | |
1188 | *pos |= 0x02; /* Bit 17 - WNM-Sleep Mode */ | |
1189 | *pos |= 0x08; /* Bit 19 - BSS Transition */ | |
1190 | #endif /* CONFIG_WNM */ | |
1191 | break; | |
1192 | case 3: /* Bits 24-31 */ | |
1193 | #ifdef CONFIG_WNM | |
1194 | *pos |= 0x02; /* Bit 25 - SSID List */ | |
1195 | #endif /* CONFIG_WNM */ | |
03e47c9c | 1196 | #ifdef CONFIG_INTERWORKING |
8cd6b7bc JB |
1197 | if (wpa_s->conf->interworking) |
1198 | *pos |= 0x80; /* Bit 31 - Interworking */ | |
03e47c9c | 1199 | #endif /* CONFIG_INTERWORKING */ |
8cd6b7bc JB |
1200 | break; |
1201 | case 4: /* Bits 32-39 */ | |
56f5af48 | 1202 | #ifdef CONFIG_INTERWORKING |
429dd9af JM |
1203 | if (wpa_s->drv_flags / WPA_DRIVER_FLAGS_QOS_MAPPING) |
1204 | *pos |= 0x01; /* Bit 32 - QoS Map */ | |
56f5af48 | 1205 | #endif /* CONFIG_INTERWORKING */ |
8cd6b7bc JB |
1206 | break; |
1207 | case 5: /* Bits 40-47 */ | |
1208 | break; | |
1209 | case 6: /* Bits 48-55 */ | |
1210 | break; | |
1211 | } | |
1212 | } | |
03e47c9c | 1213 | |
03e47c9c | 1214 | |
8cd6b7bc JB |
1215 | int wpas_build_ext_capab(struct wpa_supplicant *wpa_s, u8 *buf) |
1216 | { | |
1217 | u8 *pos = buf; | |
1218 | u8 len = 4, i; | |
1219 | ||
1220 | if (len < wpa_s->extended_capa_len) | |
1221 | len = wpa_s->extended_capa_len; | |
03e47c9c JM |
1222 | |
1223 | *pos++ = WLAN_EID_EXT_CAPAB; | |
8cd6b7bc JB |
1224 | *pos++ = len; |
1225 | for (i = 0; i < len; i++, pos++) { | |
1226 | wpas_ext_capab_byte(wpa_s, pos, i); | |
1227 | ||
1228 | if (i < wpa_s->extended_capa_len) { | |
1229 | *pos &= ~wpa_s->extended_capa_mask[i]; | |
1230 | *pos |= wpa_s->extended_capa[i]; | |
1231 | } | |
1232 | } | |
03e47c9c | 1233 | |
3db5439a JM |
1234 | while (len > 0 && buf[1 + len] == 0) { |
1235 | len--; | |
1236 | buf[1] = len; | |
1237 | } | |
1238 | if (len == 0) | |
1239 | return 0; | |
1240 | ||
1241 | return 2 + len; | |
03e47c9c JM |
1242 | } |
1243 | ||
1244 | ||
6fc6879b JM |
1245 | /** |
1246 | * wpa_supplicant_associate - Request association | |
1247 | * @wpa_s: Pointer to wpa_supplicant data | |
1248 | * @bss: Scan results for the selected BSS, or %NULL if not available | |
1249 | * @ssid: Configuration data for the selected network | |
1250 | * | |
1251 | * This function is used to request %wpa_supplicant to associate with a BSS. | |
1252 | */ | |
1253 | void wpa_supplicant_associate(struct wpa_supplicant *wpa_s, | |
6fa81a3b | 1254 | struct wpa_bss *bss, struct wpa_ssid *ssid) |
6fc6879b | 1255 | { |
5f3a6aa0 | 1256 | u8 wpa_ie[200]; |
6fc6879b | 1257 | size_t wpa_ie_len; |
8bac466b | 1258 | int use_crypt, ret, i, bssid_changed; |
abd9fafa | 1259 | int algs = WPA_AUTH_ALG_OPEN; |
4848a38d | 1260 | unsigned int cipher_pairwise, cipher_group; |
6fc6879b JM |
1261 | struct wpa_driver_associate_params params; |
1262 | int wep_keys_set = 0; | |
6fc6879b | 1263 | int assoc_failed = 0; |
8bac466b | 1264 | struct wpa_ssid *old_ssid; |
80e8a5ee BG |
1265 | #ifdef CONFIG_HT_OVERRIDES |
1266 | struct ieee80211_ht_capabilities htcaps; | |
1267 | struct ieee80211_ht_capabilities htcaps_mask; | |
1268 | #endif /* CONFIG_HT_OVERRIDES */ | |
6fc6879b | 1269 | |
78177a00 JM |
1270 | #ifdef CONFIG_IBSS_RSN |
1271 | ibss_rsn_deinit(wpa_s->ibss_rsn); | |
1272 | wpa_s->ibss_rsn = NULL; | |
1273 | #endif /* CONFIG_IBSS_RSN */ | |
1274 | ||
2c5d725c JM |
1275 | if (ssid->mode == WPAS_MODE_AP || ssid->mode == WPAS_MODE_P2P_GO || |
1276 | ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) { | |
1581b38b JM |
1277 | #ifdef CONFIG_AP |
1278 | if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP)) { | |
f049052b BG |
1279 | wpa_msg(wpa_s, MSG_INFO, "Driver does not support AP " |
1280 | "mode"); | |
1581b38b JM |
1281 | return; |
1282 | } | |
8c981d17 DW |
1283 | if (wpa_supplicant_create_ap(wpa_s, ssid) < 0) { |
1284 | wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); | |
b2b688d1 VKE |
1285 | if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) |
1286 | wpas_p2p_ap_setup_failed(wpa_s); | |
8c981d17 DW |
1287 | return; |
1288 | } | |
8f770587 | 1289 | wpa_s->current_bss = bss; |
1581b38b | 1290 | #else /* CONFIG_AP */ |
f049052b BG |
1291 | wpa_msg(wpa_s, MSG_ERROR, "AP mode support not included in " |
1292 | "the build"); | |
1581b38b JM |
1293 | #endif /* CONFIG_AP */ |
1294 | return; | |
1295 | } | |
1296 | ||
52c9e6f3 | 1297 | #ifdef CONFIG_TDLS |
95cb2d88 JM |
1298 | if (bss) |
1299 | wpa_tdls_ap_ies(wpa_s->wpa, (const u8 *) (bss + 1), | |
1300 | bss->ie_len); | |
52c9e6f3 JM |
1301 | #endif /* CONFIG_TDLS */ |
1302 | ||
5cc4d64b JM |
1303 | if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) && |
1304 | ssid->mode == IEEE80211_MODE_INFRA) { | |
c2a04078 JM |
1305 | sme_authenticate(wpa_s, bss, ssid); |
1306 | return; | |
1307 | } | |
1308 | ||
0c80427d | 1309 | os_memset(¶ms, 0, sizeof(params)); |
6fc6879b | 1310 | wpa_s->reassociate = 0; |
22628eca | 1311 | if (bss && !wpas_driver_bss_selection(wpa_s)) { |
6fc6879b | 1312 | #ifdef CONFIG_IEEE80211R |
6fa81a3b | 1313 | const u8 *ie, *md = NULL; |
6fc6879b | 1314 | #endif /* CONFIG_IEEE80211R */ |
6fc6879b JM |
1315 | wpa_msg(wpa_s, MSG_INFO, "Trying to associate with " MACSTR |
1316 | " (SSID='%s' freq=%d MHz)", MAC2STR(bss->bssid), | |
6fa81a3b | 1317 | wpa_ssid_txt(bss->ssid, bss->ssid_len), bss->freq); |
8bac466b | 1318 | bssid_changed = !is_zero_ether_addr(wpa_s->bssid); |
6fc6879b JM |
1319 | os_memset(wpa_s->bssid, 0, ETH_ALEN); |
1320 | os_memcpy(wpa_s->pending_bssid, bss->bssid, ETH_ALEN); | |
8bac466b JM |
1321 | if (bssid_changed) |
1322 | wpas_notify_bssid_changed(wpa_s); | |
6fc6879b | 1323 | #ifdef CONFIG_IEEE80211R |
6fa81a3b | 1324 | ie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN); |
6fc6879b JM |
1325 | if (ie && ie[1] >= MOBILITY_DOMAIN_ID_LEN) |
1326 | md = ie + 2; | |
e7846b68 | 1327 | wpa_sm_set_ft_params(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0); |
91a05482 JM |
1328 | if (md) { |
1329 | /* Prepare for the next transition */ | |
76b7981d | 1330 | wpa_ft_prepare_auth_request(wpa_s->wpa, ie); |
91a05482 | 1331 | } |
6fc6879b | 1332 | #endif /* CONFIG_IEEE80211R */ |
24c23d1b JM |
1333 | #ifdef CONFIG_WPS |
1334 | } else if ((ssid->ssid == NULL || ssid->ssid_len == 0) && | |
1335 | wpa_s->conf->ap_scan == 2 && | |
1336 | (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) { | |
1337 | /* Use ap_scan==1 style network selection to find the network | |
1338 | */ | |
4115303b | 1339 | wpa_s->scan_req = MANUAL_SCAN_REQ; |
24c23d1b JM |
1340 | wpa_s->reassociate = 1; |
1341 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
1342 | return; | |
1343 | #endif /* CONFIG_WPS */ | |
6fc6879b JM |
1344 | } else { |
1345 | wpa_msg(wpa_s, MSG_INFO, "Trying to associate with SSID '%s'", | |
1346 | wpa_ssid_txt(ssid->ssid, ssid->ssid_len)); | |
1347 | os_memset(wpa_s->pending_bssid, 0, ETH_ALEN); | |
1348 | } | |
a4cba8f1 | 1349 | wpa_supplicant_cancel_sched_scan(wpa_s); |
6fc6879b JM |
1350 | wpa_supplicant_cancel_scan(wpa_s); |
1351 | ||
1352 | /* Starting new association, so clear the possibly used WPA IE from the | |
1353 | * previous association. */ | |
1354 | wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0); | |
1355 | ||
1356 | #ifdef IEEE8021X_EAPOL | |
1357 | if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) { | |
1358 | if (ssid->leap) { | |
1359 | if (ssid->non_leap == 0) | |
abd9fafa | 1360 | algs = WPA_AUTH_ALG_LEAP; |
6fc6879b | 1361 | else |
abd9fafa | 1362 | algs |= WPA_AUTH_ALG_LEAP; |
6fc6879b JM |
1363 | } |
1364 | } | |
1365 | #endif /* IEEE8021X_EAPOL */ | |
f049052b | 1366 | wpa_dbg(wpa_s, MSG_DEBUG, "Automatic auth_alg selection: 0x%x", algs); |
6fc6879b | 1367 | if (ssid->auth_alg) { |
abd9fafa | 1368 | algs = ssid->auth_alg; |
f049052b BG |
1369 | wpa_dbg(wpa_s, MSG_DEBUG, "Overriding auth_alg selection: " |
1370 | "0x%x", algs); | |
6fc6879b | 1371 | } |
6fc6879b | 1372 | |
6fa81a3b JM |
1373 | if (bss && (wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE) || |
1374 | wpa_bss_get_ie(bss, WLAN_EID_RSN)) && | |
0bf927a0 | 1375 | wpa_key_mgmt_wpa(ssid->key_mgmt)) { |
6fc6879b | 1376 | int try_opportunistic; |
6e202021 JM |
1377 | try_opportunistic = (ssid->proactive_key_caching < 0 ? |
1378 | wpa_s->conf->okc : | |
1379 | ssid->proactive_key_caching) && | |
6fc6879b JM |
1380 | (ssid->proto & WPA_PROTO_RSN); |
1381 | if (pmksa_cache_set_current(wpa_s->wpa, NULL, bss->bssid, | |
b2a12c4f | 1382 | ssid, try_opportunistic) == 0) |
6fc6879b JM |
1383 | eapol_sm_notify_pmkid_attempt(wpa_s->eapol, 1); |
1384 | wpa_ie_len = sizeof(wpa_ie); | |
1385 | if (wpa_supplicant_set_suites(wpa_s, bss, ssid, | |
1386 | wpa_ie, &wpa_ie_len)) { | |
f049052b BG |
1387 | wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to set WPA " |
1388 | "key management and encryption suites"); | |
6fc6879b JM |
1389 | return; |
1390 | } | |
a3f7e518 JM |
1391 | } else if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) && bss && |
1392 | wpa_key_mgmt_wpa_ieee8021x(ssid->key_mgmt)) { | |
1393 | /* | |
1394 | * Both WPA and non-WPA IEEE 802.1X enabled in configuration - | |
1395 | * use non-WPA since the scan results did not indicate that the | |
1396 | * AP is using WPA or WPA2. | |
1397 | */ | |
1398 | wpa_supplicant_set_non_wpa_policy(wpa_s, ssid); | |
1399 | wpa_ie_len = 0; | |
1400 | wpa_s->wpa_proto = 0; | |
0bf927a0 | 1401 | } else if (wpa_key_mgmt_wpa_any(ssid->key_mgmt)) { |
6fc6879b JM |
1402 | wpa_ie_len = sizeof(wpa_ie); |
1403 | if (wpa_supplicant_set_suites(wpa_s, NULL, ssid, | |
1404 | wpa_ie, &wpa_ie_len)) { | |
f049052b BG |
1405 | wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to set WPA " |
1406 | "key management and encryption suites (no " | |
1407 | "scan results)"); | |
6fc6879b JM |
1408 | return; |
1409 | } | |
ad08c363 JM |
1410 | #ifdef CONFIG_WPS |
1411 | } else if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) { | |
b01c18a8 JM |
1412 | struct wpabuf *wps_ie; |
1413 | wps_ie = wps_build_assoc_req_ie(wpas_wps_get_req_type(ssid)); | |
ad08c363 JM |
1414 | if (wps_ie && wpabuf_len(wps_ie) <= sizeof(wpa_ie)) { |
1415 | wpa_ie_len = wpabuf_len(wps_ie); | |
1416 | os_memcpy(wpa_ie, wpabuf_head(wps_ie), wpa_ie_len); | |
24386985 JM |
1417 | } else |
1418 | wpa_ie_len = 0; | |
ad08c363 JM |
1419 | wpabuf_free(wps_ie); |
1420 | wpa_supplicant_set_non_wpa_policy(wpa_s, ssid); | |
0c80427d JM |
1421 | if (!bss || (bss->caps & IEEE80211_CAP_PRIVACY)) |
1422 | params.wps = WPS_MODE_PRIVACY; | |
1423 | else | |
1424 | params.wps = WPS_MODE_OPEN; | |
cf546f1a | 1425 | wpa_s->wpa_proto = 0; |
ad08c363 | 1426 | #endif /* CONFIG_WPS */ |
6fc6879b JM |
1427 | } else { |
1428 | wpa_supplicant_set_non_wpa_policy(wpa_s, ssid); | |
1429 | wpa_ie_len = 0; | |
cf546f1a | 1430 | wpa_s->wpa_proto = 0; |
6fc6879b JM |
1431 | } |
1432 | ||
5f3a6aa0 JM |
1433 | #ifdef CONFIG_P2P |
1434 | if (wpa_s->global->p2p) { | |
1435 | u8 *pos; | |
1436 | size_t len; | |
1437 | int res; | |
5f3a6aa0 JM |
1438 | pos = wpa_ie + wpa_ie_len; |
1439 | len = sizeof(wpa_ie) - wpa_ie_len; | |
b8a8d677 JM |
1440 | res = wpas_p2p_assoc_req_ie(wpa_s, bss, pos, len, |
1441 | ssid->p2p_group); | |
5f3a6aa0 JM |
1442 | if (res >= 0) |
1443 | wpa_ie_len += res; | |
1444 | } | |
72044390 JM |
1445 | |
1446 | wpa_s->cross_connect_disallowed = 0; | |
1447 | if (bss) { | |
1448 | struct wpabuf *p2p; | |
1449 | p2p = wpa_bss_get_vendor_ie_multi(bss, P2P_IE_VENDOR_TYPE); | |
1450 | if (p2p) { | |
1451 | wpa_s->cross_connect_disallowed = | |
1452 | p2p_get_cross_connect_disallowed(p2p); | |
1453 | wpabuf_free(p2p); | |
f049052b BG |
1454 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: WLAN AP %s cross " |
1455 | "connection", | |
1456 | wpa_s->cross_connect_disallowed ? | |
1457 | "disallows" : "allows"); | |
72044390 JM |
1458 | } |
1459 | } | |
5f3a6aa0 JM |
1460 | #endif /* CONFIG_P2P */ |
1461 | ||
cb418324 | 1462 | #ifdef CONFIG_HS20 |
55a2df43 | 1463 | if (is_hs20_network(wpa_s, ssid, bss)) { |
cb418324 JM |
1464 | struct wpabuf *hs20; |
1465 | hs20 = wpabuf_alloc(20); | |
1466 | if (hs20) { | |
1467 | wpas_hs20_add_indication(hs20); | |
1468 | os_memcpy(wpa_ie + wpa_ie_len, wpabuf_head(hs20), | |
1469 | wpabuf_len(hs20)); | |
1470 | wpa_ie_len += wpabuf_len(hs20); | |
1471 | wpabuf_free(hs20); | |
1472 | } | |
1473 | } | |
1474 | #endif /* CONFIG_HS20 */ | |
1475 | ||
8b3b803a AH |
1476 | /* |
1477 | * Workaround: Add Extended Capabilities element only if the AP | |
1478 | * included this element in Beacon/Probe Response frames. Some older | |
1479 | * APs seem to have interoperability issues if this element is | |
1480 | * included, so while the standard may require us to include the | |
1481 | * element in all cases, it is justifiable to skip it to avoid | |
1482 | * interoperability issues. | |
1483 | */ | |
1484 | if (!bss || wpa_bss_get_ie(bss, WLAN_EID_EXT_CAPAB)) { | |
1485 | u8 ext_capab[10]; | |
1486 | int ext_capab_len; | |
1487 | ext_capab_len = wpas_build_ext_capab(wpa_s, ext_capab); | |
1488 | if (ext_capab_len > 0) { | |
1489 | u8 *pos = wpa_ie; | |
1490 | if (wpa_ie_len > 0 && pos[0] == WLAN_EID_RSN) | |
1491 | pos += 2 + pos[1]; | |
1492 | os_memmove(pos + ext_capab_len, pos, | |
1493 | wpa_ie_len - (pos - wpa_ie)); | |
1494 | wpa_ie_len += ext_capab_len; | |
1495 | os_memcpy(pos, ext_capab, ext_capab_len); | |
1496 | } | |
92cbcf91 | 1497 | } |
92cbcf91 | 1498 | |
6fc6879b JM |
1499 | wpa_clear_keys(wpa_s, bss ? bss->bssid : NULL); |
1500 | use_crypt = 1; | |
4848a38d JM |
1501 | cipher_pairwise = wpa_s->pairwise_cipher; |
1502 | cipher_group = wpa_s->group_cipher; | |
6fc6879b JM |
1503 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE || |
1504 | wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) { | |
1505 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE) | |
1506 | use_crypt = 0; | |
1507 | if (wpa_set_wep_keys(wpa_s, ssid)) { | |
1508 | use_crypt = 1; | |
1509 | wep_keys_set = 1; | |
1510 | } | |
1511 | } | |
ad08c363 JM |
1512 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS) |
1513 | use_crypt = 0; | |
6fc6879b JM |
1514 | |
1515 | #ifdef IEEE8021X_EAPOL | |
1516 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) { | |
1517 | if ((ssid->eapol_flags & | |
1518 | (EAPOL_FLAG_REQUIRE_KEY_UNICAST | | |
1519 | EAPOL_FLAG_REQUIRE_KEY_BROADCAST)) == 0 && | |
1520 | !wep_keys_set) { | |
1521 | use_crypt = 0; | |
1522 | } else { | |
1523 | /* Assume that dynamic WEP-104 keys will be used and | |
1524 | * set cipher suites in order for drivers to expect | |
1525 | * encryption. */ | |
4848a38d | 1526 | cipher_pairwise = cipher_group = WPA_CIPHER_WEP104; |
6fc6879b JM |
1527 | } |
1528 | } | |
1529 | #endif /* IEEE8021X_EAPOL */ | |
1530 | ||
1531 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) { | |
1532 | /* Set the key before (and later after) association */ | |
1533 | wpa_supplicant_set_wpa_none_key(wpa_s, ssid); | |
1534 | } | |
1535 | ||
6fc6879b | 1536 | wpa_supplicant_set_state(wpa_s, WPA_ASSOCIATING); |
6fc6879b | 1537 | if (bss) { |
6fa81a3b JM |
1538 | params.ssid = bss->ssid; |
1539 | params.ssid_len = bss->ssid_len; | |
f15854d1 JM |
1540 | if (!wpas_driver_bss_selection(wpa_s) || ssid->bssid_set) { |
1541 | wpa_printf(MSG_DEBUG, "Limit connection to BSSID " | |
1542 | MACSTR " freq=%u MHz based on scan results " | |
1543 | "(bssid_set=%d)", | |
1544 | MAC2STR(bss->bssid), bss->freq, | |
1545 | ssid->bssid_set); | |
22628eca JM |
1546 | params.bssid = bss->bssid; |
1547 | params.freq = bss->freq; | |
1548 | } | |
6fc6879b JM |
1549 | } else { |
1550 | params.ssid = ssid->ssid; | |
1551 | params.ssid_len = ssid->ssid_len; | |
1552 | } | |
9e2af29f NC |
1553 | |
1554 | if (ssid->mode == WPAS_MODE_IBSS && ssid->bssid_set && | |
1555 | wpa_s->conf->ap_scan == 2) { | |
1556 | params.bssid = ssid->bssid; | |
1557 | params.fixed_bssid = 1; | |
1558 | } | |
1559 | ||
d7dcba70 JM |
1560 | if (ssid->mode == WPAS_MODE_IBSS && ssid->frequency > 0 && |
1561 | params.freq == 0) | |
6fc6879b JM |
1562 | params.freq = ssid->frequency; /* Initial channel for IBSS */ |
1563 | params.wpa_ie = wpa_ie; | |
1564 | params.wpa_ie_len = wpa_ie_len; | |
1565 | params.pairwise_suite = cipher_pairwise; | |
1566 | params.group_suite = cipher_group; | |
4848a38d | 1567 | params.key_mgmt_suite = wpa_s->key_mgmt; |
64fa840a | 1568 | params.wpa_proto = wpa_s->wpa_proto; |
6fc6879b JM |
1569 | params.auth_alg = algs; |
1570 | params.mode = ssid->mode; | |
1f6c0ab8 | 1571 | params.bg_scan_period = ssid->bg_scan_period; |
6fc6879b JM |
1572 | for (i = 0; i < NUM_WEP_KEYS; i++) { |
1573 | if (ssid->wep_key_len[i]) | |
1574 | params.wep_key[i] = ssid->wep_key[i]; | |
1575 | params.wep_key_len[i] = ssid->wep_key_len[i]; | |
1576 | } | |
1577 | params.wep_tx_keyidx = ssid->wep_tx_keyidx; | |
1578 | ||
c2a04078 | 1579 | if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) && |
4848a38d JM |
1580 | (params.key_mgmt_suite == WPA_KEY_MGMT_PSK || |
1581 | params.key_mgmt_suite == WPA_KEY_MGMT_FT_PSK)) { | |
6fc6879b JM |
1582 | params.passphrase = ssid->passphrase; |
1583 | if (ssid->psk_set) | |
1584 | params.psk = ssid->psk; | |
1585 | } | |
1586 | ||
36b15723 JM |
1587 | params.drop_unencrypted = use_crypt; |
1588 | ||
6fc6879b | 1589 | #ifdef CONFIG_IEEE80211W |
62d49803 JM |
1590 | params.mgmt_frame_protection = |
1591 | ssid->ieee80211w == MGMT_FRAME_PROTECTION_DEFAULT ? | |
1592 | wpa_s->conf->pmf : ssid->ieee80211w; | |
1593 | if (params.mgmt_frame_protection != NO_MGMT_FRAME_PROTECTION && bss) { | |
6fa81a3b | 1594 | const u8 *rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN); |
97d3497e JM |
1595 | struct wpa_ie_data ie; |
1596 | if (rsn && wpa_parse_wpa_ie(rsn, 2 + rsn[1], &ie) == 0 && | |
1597 | ie.capabilities & | |
1598 | (WPA_CAPABILITY_MFPC | WPA_CAPABILITY_MFPR)) { | |
f049052b BG |
1599 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Selected AP supports " |
1600 | "MFP: require MFP"); | |
97d3497e JM |
1601 | params.mgmt_frame_protection = |
1602 | MGMT_FRAME_PROTECTION_REQUIRED; | |
1603 | } | |
1604 | } | |
6fc6879b JM |
1605 | #endif /* CONFIG_IEEE80211W */ |
1606 | ||
ffad8858 | 1607 | params.p2p = ssid->p2p_group; |
6e3f4b89 | 1608 | |
eea2fd9e JM |
1609 | if (wpa_s->parent->set_sta_uapsd) |
1610 | params.uapsd = wpa_s->parent->sta_uapsd; | |
1611 | else | |
1612 | params.uapsd = -1; | |
1613 | ||
80e8a5ee BG |
1614 | #ifdef CONFIG_HT_OVERRIDES |
1615 | os_memset(&htcaps, 0, sizeof(htcaps)); | |
1616 | os_memset(&htcaps_mask, 0, sizeof(htcaps_mask)); | |
1617 | params.htcaps = (u8 *) &htcaps; | |
1618 | params.htcaps_mask = (u8 *) &htcaps_mask; | |
1619 | wpa_supplicant_apply_ht_overrides(wpa_s, ssid, ¶ms); | |
1620 | #endif /* CONFIG_HT_OVERRIDES */ | |
1621 | ||
8567866d JJ |
1622 | #ifdef CONFIG_P2P |
1623 | /* | |
1624 | * If multi-channel concurrency is not supported, check for any | |
1625 | * frequency conflict. In case of any frequency conflict, remove the | |
1626 | * least prioritized connection. | |
1627 | */ | |
1628 | if (wpa_s->num_multichan_concurrent < 2) { | |
1629 | int freq = wpa_drv_shared_freq(wpa_s); | |
1630 | if (freq > 0 && freq != params.freq) { | |
1631 | wpa_printf(MSG_DEBUG, "Shared interface with conflicting frequency found (%d != %d)", | |
1632 | freq, params.freq); | |
1633 | if (wpas_p2p_handle_frequency_conflicts(wpa_s, | |
1634 | params.freq, | |
1635 | ssid) < 0) | |
1636 | return; | |
1637 | } | |
1638 | } | |
1639 | #endif /* CONFIG_P2P */ | |
1640 | ||
17fbb751 | 1641 | ret = wpa_drv_associate(wpa_s, ¶ms); |
6fc6879b JM |
1642 | if (ret < 0) { |
1643 | wpa_msg(wpa_s, MSG_INFO, "Association request to the driver " | |
1644 | "failed"); | |
871f4dd0 JM |
1645 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SANE_ERROR_CODES) { |
1646 | /* | |
1647 | * The driver is known to mean what is saying, so we | |
1648 | * can stop right here; the association will not | |
1649 | * succeed. | |
1650 | */ | |
1651 | wpas_connection_failed(wpa_s, wpa_s->pending_bssid); | |
c1c02342 | 1652 | wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); |
871f4dd0 JM |
1653 | os_memset(wpa_s->pending_bssid, 0, ETH_ALEN); |
1654 | return; | |
1655 | } | |
6fc6879b JM |
1656 | /* try to continue anyway; new association will be tried again |
1657 | * after timeout */ | |
1658 | assoc_failed = 1; | |
1659 | } | |
1660 | ||
1661 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) { | |
1662 | /* Set the key after the association just in case association | |
1663 | * cleared the previously configured key. */ | |
1664 | wpa_supplicant_set_wpa_none_key(wpa_s, ssid); | |
1665 | /* No need to timeout authentication since there is no key | |
1666 | * management. */ | |
1667 | wpa_supplicant_cancel_auth_timeout(wpa_s); | |
1668 | wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); | |
53895c3b | 1669 | #ifdef CONFIG_IBSS_RSN |
d7dcba70 | 1670 | } else if (ssid->mode == WPAS_MODE_IBSS && |
53895c3b JM |
1671 | wpa_s->key_mgmt != WPA_KEY_MGMT_NONE && |
1672 | wpa_s->key_mgmt != WPA_KEY_MGMT_WPA_NONE) { | |
1673 | /* | |
1674 | * RSN IBSS authentication is per-STA and we can disable the | |
1675 | * per-BSSID authentication. | |
1676 | */ | |
1677 | wpa_supplicant_cancel_auth_timeout(wpa_s); | |
53895c3b | 1678 | #endif /* CONFIG_IBSS_RSN */ |
6fc6879b JM |
1679 | } else { |
1680 | /* Timeout for IEEE 802.11 authentication and association */ | |
1d3c75b3 DW |
1681 | int timeout = 60; |
1682 | ||
1683 | if (assoc_failed) { | |
1684 | /* give IBSS a bit more time */ | |
d7dcba70 | 1685 | timeout = ssid->mode == WPAS_MODE_IBSS ? 10 : 5; |
1d3c75b3 DW |
1686 | } else if (wpa_s->conf->ap_scan == 1) { |
1687 | /* give IBSS a bit more time */ | |
d7dcba70 | 1688 | timeout = ssid->mode == WPAS_MODE_IBSS ? 20 : 10; |
1d3c75b3 | 1689 | } |
6fc6879b JM |
1690 | wpa_supplicant_req_auth_timeout(wpa_s, timeout, 0); |
1691 | } | |
1692 | ||
66562e9c JM |
1693 | if (wep_keys_set && |
1694 | (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC)) { | |
6fc6879b JM |
1695 | /* Set static WEP keys again */ |
1696 | wpa_set_wep_keys(wpa_s, ssid); | |
1697 | } | |
1698 | ||
1699 | if (wpa_s->current_ssid && wpa_s->current_ssid != ssid) { | |
1700 | /* | |
1701 | * Do not allow EAP session resumption between different | |
1702 | * network configurations. | |
1703 | */ | |
1704 | eapol_sm_invalidate_cached_session(wpa_s->eapol); | |
1705 | } | |
8bac466b | 1706 | old_ssid = wpa_s->current_ssid; |
6fc6879b | 1707 | wpa_s->current_ssid = ssid; |
8f770587 | 1708 | wpa_s->current_bss = bss; |
6fc6879b JM |
1709 | wpa_supplicant_rsn_supp_set_config(wpa_s, wpa_s->current_ssid); |
1710 | wpa_supplicant_initiate_eapol(wpa_s); | |
8bac466b JM |
1711 | if (old_ssid != wpa_s->current_ssid) |
1712 | wpas_notify_network_changed(wpa_s); | |
6fc6879b JM |
1713 | } |
1714 | ||
1715 | ||
09f58c09 JM |
1716 | static void wpa_supplicant_clear_connection(struct wpa_supplicant *wpa_s, |
1717 | const u8 *addr) | |
1718 | { | |
1719 | struct wpa_ssid *old_ssid; | |
1720 | ||
1721 | wpa_clear_keys(wpa_s, addr); | |
09f58c09 | 1722 | old_ssid = wpa_s->current_ssid; |
0d30cc24 | 1723 | wpa_supplicant_mark_disassoc(wpa_s); |
09f58c09 JM |
1724 | wpa_sm_set_config(wpa_s->wpa, NULL); |
1725 | eapol_sm_notify_config(wpa_s->eapol, NULL, NULL); | |
1726 | if (old_ssid != wpa_s->current_ssid) | |
1727 | wpas_notify_network_changed(wpa_s); | |
1728 | eloop_cancel_timeout(wpa_supplicant_timeout, wpa_s, NULL); | |
1729 | } | |
1730 | ||
1731 | ||
6fc6879b JM |
1732 | /** |
1733 | * wpa_supplicant_deauthenticate - Deauthenticate the current connection | |
1734 | * @wpa_s: Pointer to wpa_supplicant data | |
1735 | * @reason_code: IEEE 802.11 reason code for the deauthenticate frame | |
1736 | * | |
073ab58f | 1737 | * This function is used to request %wpa_supplicant to deauthenticate from the |
6fc6879b JM |
1738 | * current AP. |
1739 | */ | |
1740 | void wpa_supplicant_deauthenticate(struct wpa_supplicant *wpa_s, | |
1741 | int reason_code) | |
1742 | { | |
1743 | u8 *addr = NULL; | |
ef48ff94 | 1744 | union wpa_event_data event; |
42d23547 | 1745 | int zero_addr = 0; |
8bac466b | 1746 | |
42d23547 JM |
1747 | wpa_dbg(wpa_s, MSG_DEBUG, "Request to deauthenticate - bssid=" MACSTR |
1748 | " pending_bssid=" MACSTR " reason=%d state=%s", | |
1749 | MAC2STR(wpa_s->bssid), MAC2STR(wpa_s->pending_bssid), | |
1750 | reason_code, wpa_supplicant_state_txt(wpa_s->wpa_state)); | |
1751 | ||
1752 | if (!is_zero_ether_addr(wpa_s->bssid)) | |
1753 | addr = wpa_s->bssid; | |
1754 | else if (!is_zero_ether_addr(wpa_s->pending_bssid) && | |
1755 | (wpa_s->wpa_state == WPA_AUTHENTICATING || | |
1756 | wpa_s->wpa_state == WPA_ASSOCIATING)) | |
1757 | addr = wpa_s->pending_bssid; | |
1758 | else if (wpa_s->wpa_state == WPA_ASSOCIATING) { | |
1759 | /* | |
1760 | * When using driver-based BSS selection, we may not know the | |
1761 | * BSSID with which we are currently trying to associate. We | |
1762 | * need to notify the driver of this disconnection even in such | |
1763 | * a case, so use the all zeros address here. | |
1764 | */ | |
6fc6879b | 1765 | addr = wpa_s->bssid; |
42d23547 JM |
1766 | zero_addr = 1; |
1767 | } | |
1768 | ||
7b44ff2c SD |
1769 | #ifdef CONFIG_TDLS |
1770 | wpa_tdls_teardown_peers(wpa_s->wpa); | |
1771 | #endif /* CONFIG_TDLS */ | |
1772 | ||
42d23547 JM |
1773 | if (addr) { |
1774 | wpa_drv_deauthenticate(wpa_s, addr, reason_code); | |
ef48ff94 JM |
1775 | os_memset(&event, 0, sizeof(event)); |
1776 | event.deauth_info.reason_code = (u16) reason_code; | |
1777 | event.deauth_info.locally_generated = 1; | |
1778 | wpa_supplicant_event(wpa_s, EVENT_DEAUTH, &event); | |
42d23547 JM |
1779 | if (zero_addr) |
1780 | addr = NULL; | |
6fc6879b | 1781 | } |
09f58c09 JM |
1782 | |
1783 | wpa_supplicant_clear_connection(wpa_s, addr); | |
6fc6879b JM |
1784 | } |
1785 | ||
dca1a511 DS |
1786 | static void wpa_supplicant_enable_one_network(struct wpa_supplicant *wpa_s, |
1787 | struct wpa_ssid *ssid) | |
1788 | { | |
1789 | if (!ssid || !ssid->disabled || ssid->disabled == 2) | |
1790 | return; | |
1791 | ||
1792 | ssid->disabled = 0; | |
1793 | wpas_clear_temp_disabled(wpa_s, ssid, 1); | |
1794 | wpas_notify_network_enabled_changed(wpa_s, ssid); | |
1795 | ||
1796 | /* | |
1797 | * Try to reassociate since there is no current configuration and a new | |
1798 | * network was made available. | |
1799 | */ | |
d2592497 | 1800 | if (!wpa_s->current_ssid && !wpa_s->disconnected) |
dca1a511 DS |
1801 | wpa_s->reassociate = 1; |
1802 | } | |
1803 | ||
6fc6879b | 1804 | |
86b89452 WS |
1805 | /** |
1806 | * wpa_supplicant_enable_network - Mark a configured network as enabled | |
1807 | * @wpa_s: wpa_supplicant structure for a network interface | |
1808 | * @ssid: wpa_ssid structure for a configured network or %NULL | |
1809 | * | |
1810 | * Enables the specified network or all networks if no network specified. | |
1811 | */ | |
1812 | void wpa_supplicant_enable_network(struct wpa_supplicant *wpa_s, | |
1813 | struct wpa_ssid *ssid) | |
1814 | { | |
86b89452 | 1815 | if (ssid == NULL) { |
14f79078 JM |
1816 | for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) |
1817 | wpa_supplicant_enable_one_network(wpa_s, ssid); | |
dca1a511 DS |
1818 | } else |
1819 | wpa_supplicant_enable_one_network(wpa_s, ssid); | |
86b89452 | 1820 | |
d2592497 | 1821 | if (wpa_s->reassociate && !wpa_s->disconnected) { |
dca1a511 DS |
1822 | if (wpa_s->sched_scanning) { |
1823 | wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to add " | |
1824 | "new network to scan filters"); | |
1825 | wpa_supplicant_cancel_sched_scan(wpa_s); | |
1826 | } | |
86b89452 | 1827 | |
dad153d1 JM |
1828 | if (wpa_supplicant_fast_associate(wpa_s) != 1) |
1829 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
86b89452 WS |
1830 | } |
1831 | } | |
1832 | ||
1833 | ||
1834 | /** | |
1835 | * wpa_supplicant_disable_network - Mark a configured network as disabled | |
1836 | * @wpa_s: wpa_supplicant structure for a network interface | |
1837 | * @ssid: wpa_ssid structure for a configured network or %NULL | |
1838 | * | |
1839 | * Disables the specified network or all networks if no network specified. | |
1840 | */ | |
1841 | void wpa_supplicant_disable_network(struct wpa_supplicant *wpa_s, | |
1842 | struct wpa_ssid *ssid) | |
1843 | { | |
1844 | struct wpa_ssid *other_ssid; | |
1845 | int was_disabled; | |
1846 | ||
1847 | if (ssid == NULL) { | |
725fc39e DS |
1848 | if (wpa_s->sched_scanning) |
1849 | wpa_supplicant_cancel_sched_scan(wpa_s); | |
1850 | ||
4dac0245 JM |
1851 | for (other_ssid = wpa_s->conf->ssid; other_ssid; |
1852 | other_ssid = other_ssid->next) { | |
86b89452 | 1853 | was_disabled = other_ssid->disabled; |
4dac0245 JM |
1854 | if (was_disabled == 2) |
1855 | continue; /* do not change persistent P2P group | |
1856 | * data */ | |
86b89452 WS |
1857 | |
1858 | other_ssid->disabled = 1; | |
1859 | ||
1860 | if (was_disabled != other_ssid->disabled) | |
1861 | wpas_notify_network_enabled_changed( | |
1862 | wpa_s, other_ssid); | |
86b89452 WS |
1863 | } |
1864 | if (wpa_s->current_ssid) | |
07783eaa | 1865 | wpa_supplicant_deauthenticate( |
86b89452 | 1866 | wpa_s, WLAN_REASON_DEAUTH_LEAVING); |
4dac0245 | 1867 | } else if (ssid->disabled != 2) { |
86b89452 | 1868 | if (ssid == wpa_s->current_ssid) |
07783eaa | 1869 | wpa_supplicant_deauthenticate( |
86b89452 WS |
1870 | wpa_s, WLAN_REASON_DEAUTH_LEAVING); |
1871 | ||
1872 | was_disabled = ssid->disabled; | |
1873 | ||
1874 | ssid->disabled = 1; | |
1875 | ||
725fc39e | 1876 | if (was_disabled != ssid->disabled) { |
86b89452 | 1877 | wpas_notify_network_enabled_changed(wpa_s, ssid); |
725fc39e DS |
1878 | if (wpa_s->sched_scanning) { |
1879 | wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan " | |
1880 | "to remove network from filters"); | |
1881 | wpa_supplicant_cancel_sched_scan(wpa_s); | |
1882 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
1883 | } | |
1884 | } | |
86b89452 WS |
1885 | } |
1886 | } | |
1887 | ||
1888 | ||
1889 | /** | |
1890 | * wpa_supplicant_select_network - Attempt association with a network | |
1891 | * @wpa_s: wpa_supplicant structure for a network interface | |
1892 | * @ssid: wpa_ssid structure for a configured network or %NULL for any network | |
1893 | */ | |
1894 | void wpa_supplicant_select_network(struct wpa_supplicant *wpa_s, | |
1895 | struct wpa_ssid *ssid) | |
1896 | { | |
1897 | ||
1898 | struct wpa_ssid *other_ssid; | |
d93dfbd5 | 1899 | int disconnected = 0; |
86b89452 | 1900 | |
d93dfbd5 | 1901 | if (ssid && ssid != wpa_s->current_ssid && wpa_s->current_ssid) { |
07783eaa | 1902 | wpa_supplicant_deauthenticate( |
86b89452 | 1903 | wpa_s, WLAN_REASON_DEAUTH_LEAVING); |
d93dfbd5 JM |
1904 | disconnected = 1; |
1905 | } | |
86b89452 | 1906 | |
00e5e3d5 JM |
1907 | if (ssid) |
1908 | wpas_clear_temp_disabled(wpa_s, ssid, 1); | |
1909 | ||
86b89452 WS |
1910 | /* |
1911 | * Mark all other networks disabled or mark all networks enabled if no | |
1912 | * network specified. | |
1913 | */ | |
4dac0245 JM |
1914 | for (other_ssid = wpa_s->conf->ssid; other_ssid; |
1915 | other_ssid = other_ssid->next) { | |
86b89452 | 1916 | int was_disabled = other_ssid->disabled; |
4dac0245 JM |
1917 | if (was_disabled == 2) |
1918 | continue; /* do not change persistent P2P group data */ | |
86b89452 WS |
1919 | |
1920 | other_ssid->disabled = ssid ? (ssid->id != other_ssid->id) : 0; | |
00e5e3d5 JM |
1921 | if (was_disabled && !other_ssid->disabled) |
1922 | wpas_clear_temp_disabled(wpa_s, other_ssid, 0); | |
86b89452 WS |
1923 | |
1924 | if (was_disabled != other_ssid->disabled) | |
1925 | wpas_notify_network_enabled_changed(wpa_s, other_ssid); | |
86b89452 | 1926 | } |
2a6f78fb JJ |
1927 | |
1928 | if (ssid && ssid == wpa_s->current_ssid && wpa_s->current_ssid) { | |
1929 | /* We are already associated with the selected network */ | |
1930 | wpa_printf(MSG_DEBUG, "Already associated with the " | |
1931 | "selected network - do nothing"); | |
1932 | return; | |
1933 | } | |
1934 | ||
25a8f9e3 | 1935 | if (ssid) { |
96efeeb6 | 1936 | wpa_s->current_ssid = ssid; |
25a8f9e3 JM |
1937 | eapol_sm_notify_config(wpa_s->eapol, NULL, NULL); |
1938 | } | |
7dcdcfd6 | 1939 | wpa_s->connect_without_scan = NULL; |
86b89452 WS |
1940 | wpa_s->disconnected = 0; |
1941 | wpa_s->reassociate = 1; | |
cecdddc1 PS |
1942 | |
1943 | if (wpa_supplicant_fast_associate(wpa_s) != 1) | |
1944 | wpa_supplicant_req_scan(wpa_s, 0, disconnected ? 100000 : 0); | |
86b89452 | 1945 | |
a1641d26 JM |
1946 | if (ssid) |
1947 | wpas_notify_network_selected(wpa_s, ssid); | |
86b89452 WS |
1948 | } |
1949 | ||
1950 | ||
bdec7ee5 MS |
1951 | /** |
1952 | * wpas_set_pkcs11_engine_and_module_path - Set PKCS #11 engine and module path | |
1953 | * @wpa_s: wpa_supplicant structure for a network interface | |
1954 | * @pkcs11_engine_path: PKCS #11 engine path or NULL | |
1955 | * @pkcs11_module_path: PKCS #11 module path or NULL | |
1956 | * Returns: 0 on success; -1 on failure | |
1957 | * | |
1958 | * Sets the PKCS #11 engine and module path. Both have to be NULL or a valid | |
1959 | * path. If resetting the EAPOL state machine with the new PKCS #11 engine and | |
1960 | * module path fails the paths will be reset to the default value (NULL). | |
1961 | */ | |
1962 | int wpas_set_pkcs11_engine_and_module_path(struct wpa_supplicant *wpa_s, | |
1963 | const char *pkcs11_engine_path, | |
1964 | const char *pkcs11_module_path) | |
1965 | { | |
1966 | char *pkcs11_engine_path_copy = NULL; | |
1967 | char *pkcs11_module_path_copy = NULL; | |
1968 | ||
1969 | if (pkcs11_engine_path != NULL) { | |
1970 | pkcs11_engine_path_copy = os_strdup(pkcs11_engine_path); | |
1971 | if (pkcs11_engine_path_copy == NULL) | |
1972 | return -1; | |
1973 | } | |
1974 | if (pkcs11_module_path != NULL) { | |
1975 | pkcs11_module_path_copy = os_strdup(pkcs11_module_path); | |
1976 | if (pkcs11_engine_path_copy == NULL) { | |
1977 | os_free(pkcs11_engine_path_copy); | |
1978 | return -1; | |
1979 | } | |
1980 | } | |
1981 | ||
1982 | os_free(wpa_s->conf->pkcs11_engine_path); | |
1983 | os_free(wpa_s->conf->pkcs11_module_path); | |
1984 | wpa_s->conf->pkcs11_engine_path = pkcs11_engine_path_copy; | |
1985 | wpa_s->conf->pkcs11_module_path = pkcs11_module_path_copy; | |
1986 | ||
1987 | wpa_sm_set_eapol(wpa_s->wpa, NULL); | |
1988 | eapol_sm_deinit(wpa_s->eapol); | |
1989 | wpa_s->eapol = NULL; | |
1990 | if (wpa_supplicant_init_eapol(wpa_s)) { | |
1991 | /* Error -> Reset paths to the default value (NULL) once. */ | |
1992 | if (pkcs11_engine_path != NULL && pkcs11_module_path != NULL) | |
1993 | wpas_set_pkcs11_engine_and_module_path(wpa_s, NULL, | |
1994 | NULL); | |
1995 | ||
1996 | return -1; | |
1997 | } | |
1998 | wpa_sm_set_eapol(wpa_s->wpa, wpa_s->eapol); | |
1999 | ||
2000 | return 0; | |
2001 | } | |
2002 | ||
2003 | ||
86b89452 WS |
2004 | /** |
2005 | * wpa_supplicant_set_ap_scan - Set AP scan mode for interface | |
2006 | * @wpa_s: wpa_supplicant structure for a network interface | |
2007 | * @ap_scan: AP scan mode | |
2008 | * Returns: 0 if succeed or -1 if ap_scan has an invalid value | |
2009 | * | |
2010 | */ | |
2011 | int wpa_supplicant_set_ap_scan(struct wpa_supplicant *wpa_s, int ap_scan) | |
2012 | { | |
2013 | ||
2014 | int old_ap_scan; | |
2015 | ||
2016 | if (ap_scan < 0 || ap_scan > 2) | |
2017 | return -1; | |
2018 | ||
48f8e036 DS |
2019 | #ifdef ANDROID |
2020 | if (ap_scan == 2 && ap_scan != wpa_s->conf->ap_scan && | |
2021 | wpa_s->wpa_state >= WPA_ASSOCIATING && | |
2022 | wpa_s->wpa_state < WPA_COMPLETED) { | |
2023 | wpa_printf(MSG_ERROR, "ap_scan = %d (%d) rejected while " | |
2024 | "associating", wpa_s->conf->ap_scan, ap_scan); | |
2025 | return 0; | |
2026 | } | |
2027 | #endif /* ANDROID */ | |
2028 | ||
86b89452 WS |
2029 | old_ap_scan = wpa_s->conf->ap_scan; |
2030 | wpa_s->conf->ap_scan = ap_scan; | |
2031 | ||
2032 | if (old_ap_scan != wpa_s->conf->ap_scan) | |
2033 | wpas_notify_ap_scan_changed(wpa_s); | |
2034 | ||
2035 | return 0; | |
2036 | } | |
2037 | ||
2038 | ||
78633c37 SL |
2039 | /** |
2040 | * wpa_supplicant_set_bss_expiration_age - Set BSS entry expiration age | |
2041 | * @wpa_s: wpa_supplicant structure for a network interface | |
2042 | * @expire_age: Expiration age in seconds | |
2043 | * Returns: 0 if succeed or -1 if expire_age has an invalid value | |
2044 | * | |
2045 | */ | |
2046 | int wpa_supplicant_set_bss_expiration_age(struct wpa_supplicant *wpa_s, | |
2047 | unsigned int bss_expire_age) | |
2048 | { | |
2049 | if (bss_expire_age < 10) { | |
2050 | wpa_msg(wpa_s, MSG_ERROR, "Invalid bss expiration age %u", | |
2051 | bss_expire_age); | |
2052 | return -1; | |
2053 | } | |
2054 | wpa_msg(wpa_s, MSG_DEBUG, "Setting bss expiration age: %d sec", | |
2055 | bss_expire_age); | |
2056 | wpa_s->conf->bss_expiration_age = bss_expire_age; | |
2057 | ||
2058 | return 0; | |
2059 | } | |
2060 | ||
2061 | ||
2062 | /** | |
2063 | * wpa_supplicant_set_bss_expiration_count - Set BSS entry expiration scan count | |
2064 | * @wpa_s: wpa_supplicant structure for a network interface | |
2065 | * @expire_count: number of scans after which an unseen BSS is reclaimed | |
2066 | * Returns: 0 if succeed or -1 if expire_count has an invalid value | |
2067 | * | |
2068 | */ | |
2069 | int wpa_supplicant_set_bss_expiration_count(struct wpa_supplicant *wpa_s, | |
2070 | unsigned int bss_expire_count) | |
2071 | { | |
2072 | if (bss_expire_count < 1) { | |
2073 | wpa_msg(wpa_s, MSG_ERROR, "Invalid bss expiration count %u", | |
2074 | bss_expire_count); | |
2075 | return -1; | |
2076 | } | |
2077 | wpa_msg(wpa_s, MSG_DEBUG, "Setting bss expiration scan count: %u", | |
2078 | bss_expire_count); | |
2079 | wpa_s->conf->bss_expiration_scan_count = bss_expire_count; | |
2080 | ||
2081 | return 0; | |
2082 | } | |
2083 | ||
2084 | ||
c6e86b63 MA |
2085 | /** |
2086 | * wpa_supplicant_set_scan_interval - Set scan interval | |
2087 | * @wpa_s: wpa_supplicant structure for a network interface | |
2088 | * @scan_interval: scan interval in seconds | |
2089 | * Returns: 0 if succeed or -1 if scan_interval has an invalid value | |
2090 | * | |
2091 | */ | |
2092 | int wpa_supplicant_set_scan_interval(struct wpa_supplicant *wpa_s, | |
2093 | int scan_interval) | |
2094 | { | |
2095 | if (scan_interval < 0) { | |
2096 | wpa_msg(wpa_s, MSG_ERROR, "Invalid scan interval %d", | |
2097 | scan_interval); | |
2098 | return -1; | |
2099 | } | |
2100 | wpa_msg(wpa_s, MSG_DEBUG, "Setting scan interval: %d sec", | |
2101 | scan_interval); | |
9e737f08 | 2102 | wpa_supplicant_update_scan_int(wpa_s, scan_interval); |
c6e86b63 MA |
2103 | |
2104 | return 0; | |
2105 | } | |
2106 | ||
2107 | ||
86b89452 WS |
2108 | /** |
2109 | * wpa_supplicant_set_debug_params - Set global debug params | |
2110 | * @global: wpa_global structure | |
2111 | * @debug_level: debug level | |
2112 | * @debug_timestamp: determines if show timestamp in debug data | |
2113 | * @debug_show_keys: determines if show keys in debug data | |
2114 | * Returns: 0 if succeed or -1 if debug_level has wrong value | |
2115 | */ | |
2116 | int wpa_supplicant_set_debug_params(struct wpa_global *global, int debug_level, | |
2117 | int debug_timestamp, int debug_show_keys) | |
2118 | { | |
2119 | ||
2120 | int old_level, old_timestamp, old_show_keys; | |
2121 | ||
2122 | /* check for allowed debuglevels */ | |
14dc0011 PS |
2123 | if (debug_level != MSG_EXCESSIVE && |
2124 | debug_level != MSG_MSGDUMP && | |
86b89452 WS |
2125 | debug_level != MSG_DEBUG && |
2126 | debug_level != MSG_INFO && | |
2127 | debug_level != MSG_WARNING && | |
2128 | debug_level != MSG_ERROR) | |
2129 | return -1; | |
2130 | ||
2131 | old_level = wpa_debug_level; | |
2132 | old_timestamp = wpa_debug_timestamp; | |
2133 | old_show_keys = wpa_debug_show_keys; | |
2134 | ||
2135 | wpa_debug_level = debug_level; | |
2136 | wpa_debug_timestamp = debug_timestamp ? 1 : 0; | |
2137 | wpa_debug_show_keys = debug_show_keys ? 1 : 0; | |
2138 | ||
db9133ac WS |
2139 | if (wpa_debug_level != old_level) |
2140 | wpas_notify_debug_level_changed(global); | |
2141 | if (wpa_debug_timestamp != old_timestamp) | |
2142 | wpas_notify_debug_timestamp_changed(global); | |
2143 | if (wpa_debug_show_keys != old_show_keys) | |
2144 | wpas_notify_debug_show_keys_changed(global); | |
86b89452 WS |
2145 | |
2146 | return 0; | |
2147 | } | |
2148 | ||
2149 | ||
6fc6879b JM |
2150 | /** |
2151 | * wpa_supplicant_get_ssid - Get a pointer to the current network structure | |
2152 | * @wpa_s: Pointer to wpa_supplicant data | |
2153 | * Returns: A pointer to the current network structure or %NULL on failure | |
2154 | */ | |
2155 | struct wpa_ssid * wpa_supplicant_get_ssid(struct wpa_supplicant *wpa_s) | |
2156 | { | |
2157 | struct wpa_ssid *entry; | |
2158 | u8 ssid[MAX_SSID_LEN]; | |
2159 | int res; | |
2160 | size_t ssid_len; | |
2161 | u8 bssid[ETH_ALEN]; | |
2162 | int wired; | |
2163 | ||
17fbb751 JM |
2164 | res = wpa_drv_get_ssid(wpa_s, ssid); |
2165 | if (res < 0) { | |
2166 | wpa_msg(wpa_s, MSG_WARNING, "Could not read SSID from " | |
2167 | "driver"); | |
2168 | return NULL; | |
6fc6879b | 2169 | } |
17fbb751 | 2170 | ssid_len = res; |
6fc6879b | 2171 | |
17fbb751 | 2172 | if (wpa_drv_get_bssid(wpa_s, bssid) < 0) { |
f049052b BG |
2173 | wpa_msg(wpa_s, MSG_WARNING, "Could not read BSSID from " |
2174 | "driver"); | |
6fc6879b JM |
2175 | return NULL; |
2176 | } | |
2177 | ||
c2a04078 JM |
2178 | wired = wpa_s->conf->ap_scan == 0 && |
2179 | (wpa_s->drv_flags & WPA_DRIVER_FLAGS_WIRED); | |
6fc6879b JM |
2180 | |
2181 | entry = wpa_s->conf->ssid; | |
2182 | while (entry) { | |
349493bd | 2183 | if (!wpas_network_disabled(wpa_s, entry) && |
6fc6879b JM |
2184 | ((ssid_len == entry->ssid_len && |
2185 | os_memcmp(ssid, entry->ssid, ssid_len) == 0) || wired) && | |
2186 | (!entry->bssid_set || | |
2187 | os_memcmp(bssid, entry->bssid, ETH_ALEN) == 0)) | |
2188 | return entry; | |
24c23d1b | 2189 | #ifdef CONFIG_WPS |
349493bd | 2190 | if (!wpas_network_disabled(wpa_s, entry) && |
24c23d1b JM |
2191 | (entry->key_mgmt & WPA_KEY_MGMT_WPS) && |
2192 | (entry->ssid == NULL || entry->ssid_len == 0) && | |
2193 | (!entry->bssid_set || | |
2194 | os_memcmp(bssid, entry->bssid, ETH_ALEN) == 0)) | |
2195 | return entry; | |
2196 | #endif /* CONFIG_WPS */ | |
7d232e23 | 2197 | |
349493bd | 2198 | if (!wpas_network_disabled(wpa_s, entry) && entry->bssid_set && |
7d232e23 ZC |
2199 | entry->ssid_len == 0 && |
2200 | os_memcmp(bssid, entry->bssid, ETH_ALEN) == 0) | |
2201 | return entry; | |
2202 | ||
6fc6879b JM |
2203 | entry = entry->next; |
2204 | } | |
2205 | ||
2206 | return NULL; | |
2207 | } | |
2208 | ||
2209 | ||
7756114f JM |
2210 | static int select_driver(struct wpa_supplicant *wpa_s, int i) |
2211 | { | |
2212 | struct wpa_global *global = wpa_s->global; | |
2213 | ||
2214 | if (wpa_drivers[i]->global_init && global->drv_priv[i] == NULL) { | |
2215 | global->drv_priv[i] = wpa_drivers[i]->global_init(); | |
2216 | if (global->drv_priv[i] == NULL) { | |
2217 | wpa_printf(MSG_ERROR, "Failed to initialize driver " | |
2218 | "'%s'", wpa_drivers[i]->name); | |
2219 | return -1; | |
2220 | } | |
2221 | } | |
2222 | ||
2223 | wpa_s->driver = wpa_drivers[i]; | |
2224 | wpa_s->global_drv_priv = global->drv_priv[i]; | |
2225 | ||
2226 | return 0; | |
2227 | } | |
2228 | ||
2229 | ||
6fc6879b JM |
2230 | static int wpa_supplicant_set_driver(struct wpa_supplicant *wpa_s, |
2231 | const char *name) | |
2232 | { | |
2233 | int i; | |
362f781e | 2234 | size_t len; |
74b1c84a | 2235 | const char *pos, *driver = name; |
6fc6879b JM |
2236 | |
2237 | if (wpa_s == NULL) | |
2238 | return -1; | |
2239 | ||
c5121837 | 2240 | if (wpa_drivers[0] == NULL) { |
f049052b BG |
2241 | wpa_msg(wpa_s, MSG_ERROR, "No driver interfaces build into " |
2242 | "wpa_supplicant"); | |
6fc6879b JM |
2243 | return -1; |
2244 | } | |
2245 | ||
2246 | if (name == NULL) { | |
2247 | /* default to first driver in the list */ | |
7756114f | 2248 | return select_driver(wpa_s, 0); |
6fc6879b JM |
2249 | } |
2250 | ||
74b1c84a SO |
2251 | do { |
2252 | pos = os_strchr(driver, ','); | |
2253 | if (pos) | |
2254 | len = pos - driver; | |
2255 | else | |
2256 | len = os_strlen(driver); | |
2257 | ||
2258 | for (i = 0; wpa_drivers[i]; i++) { | |
2259 | if (os_strlen(wpa_drivers[i]->name) == len && | |
2260 | os_strncmp(driver, wpa_drivers[i]->name, len) == | |
0f4668ce DW |
2261 | 0) { |
2262 | /* First driver that succeeds wins */ | |
2263 | if (select_driver(wpa_s, i) == 0) | |
2264 | return 0; | |
2265 | } | |
6fc6879b | 2266 | } |
74b1c84a SO |
2267 | |
2268 | driver = pos + 1; | |
2269 | } while (pos); | |
6fc6879b | 2270 | |
f049052b | 2271 | wpa_msg(wpa_s, MSG_ERROR, "Unsupported driver '%s'", name); |
6fc6879b JM |
2272 | return -1; |
2273 | } | |
2274 | ||
2275 | ||
a8e0505b JM |
2276 | /** |
2277 | * wpa_supplicant_rx_eapol - Deliver a received EAPOL frame to wpa_supplicant | |
2278 | * @ctx: Context pointer (wpa_s); this is the ctx variable registered | |
2279 | * with struct wpa_driver_ops::init() | |
2280 | * @src_addr: Source address of the EAPOL frame | |
2281 | * @buf: EAPOL data starting from the EAPOL header (i.e., no Ethernet header) | |
2282 | * @len: Length of the EAPOL data | |
2283 | * | |
2284 | * This function is called for each received EAPOL frame. Most driver | |
2285 | * interfaces rely on more generic OS mechanism for receiving frames through | |
2286 | * l2_packet, but if such a mechanism is not available, the driver wrapper may | |
2287 | * take care of received EAPOL frames and deliver them to the core supplicant | |
2288 | * code by calling this function. | |
2289 | */ | |
6fc6879b JM |
2290 | void wpa_supplicant_rx_eapol(void *ctx, const u8 *src_addr, |
2291 | const u8 *buf, size_t len) | |
2292 | { | |
2293 | struct wpa_supplicant *wpa_s = ctx; | |
2294 | ||
f049052b | 2295 | wpa_dbg(wpa_s, MSG_DEBUG, "RX EAPOL from " MACSTR, MAC2STR(src_addr)); |
6fc6879b JM |
2296 | wpa_hexdump(MSG_MSGDUMP, "RX EAPOL", buf, len); |
2297 | ||
db76aa64 JM |
2298 | #ifdef CONFIG_PEERKEY |
2299 | if (wpa_s->wpa_state > WPA_ASSOCIATED && wpa_s->current_ssid && | |
2300 | wpa_s->current_ssid->peerkey && | |
2301 | !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) && | |
2302 | wpa_sm_rx_eapol_peerkey(wpa_s->wpa, src_addr, buf, len) == 1) { | |
2303 | wpa_dbg(wpa_s, MSG_DEBUG, "RSN: Processed PeerKey EAPOL-Key"); | |
2304 | return; | |
2305 | } | |
2306 | #endif /* CONFIG_PEERKEY */ | |
2307 | ||
3ab35a66 JM |
2308 | if (wpa_s->wpa_state < WPA_ASSOCIATED || |
2309 | (wpa_s->last_eapol_matches_bssid && | |
2310 | #ifdef CONFIG_AP | |
2311 | !wpa_s->ap_iface && | |
2312 | #endif /* CONFIG_AP */ | |
2313 | os_memcmp(src_addr, wpa_s->bssid, ETH_ALEN) != 0)) { | |
1ff73338 JM |
2314 | /* |
2315 | * There is possible race condition between receiving the | |
2316 | * association event and the EAPOL frame since they are coming | |
2317 | * through different paths from the driver. In order to avoid | |
2318 | * issues in trying to process the EAPOL frame before receiving | |
2319 | * association information, lets queue it for processing until | |
3ab35a66 JM |
2320 | * the association event is received. This may also be needed in |
2321 | * driver-based roaming case, so also use src_addr != BSSID as a | |
2322 | * trigger if we have previously confirmed that the | |
2323 | * Authenticator uses BSSID as the src_addr (which is not the | |
2324 | * case with wired IEEE 802.1X). | |
1ff73338 | 2325 | */ |
f049052b | 2326 | wpa_dbg(wpa_s, MSG_DEBUG, "Not associated - Delay processing " |
3ab35a66 JM |
2327 | "of received EAPOL frame (state=%s bssid=" MACSTR ")", |
2328 | wpa_supplicant_state_txt(wpa_s->wpa_state), | |
2329 | MAC2STR(wpa_s->bssid)); | |
1ff73338 JM |
2330 | wpabuf_free(wpa_s->pending_eapol_rx); |
2331 | wpa_s->pending_eapol_rx = wpabuf_alloc_copy(buf, len); | |
2332 | if (wpa_s->pending_eapol_rx) { | |
c2be937c | 2333 | os_get_reltime(&wpa_s->pending_eapol_rx_time); |
1ff73338 JM |
2334 | os_memcpy(wpa_s->pending_eapol_rx_src, src_addr, |
2335 | ETH_ALEN); | |
2336 | } | |
2337 | return; | |
2338 | } | |
2339 | ||
3ab35a66 JM |
2340 | wpa_s->last_eapol_matches_bssid = |
2341 | os_memcmp(src_addr, wpa_s->bssid, ETH_ALEN) == 0; | |
2342 | ||
db149ac9 JM |
2343 | #ifdef CONFIG_AP |
2344 | if (wpa_s->ap_iface) { | |
2345 | wpa_supplicant_ap_rx_eapol(wpa_s, src_addr, buf, len); | |
2346 | return; | |
2347 | } | |
2348 | #endif /* CONFIG_AP */ | |
2349 | ||
6fc6879b | 2350 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE) { |
f049052b BG |
2351 | wpa_dbg(wpa_s, MSG_DEBUG, "Ignored received EAPOL frame since " |
2352 | "no key management is configured"); | |
6fc6879b JM |
2353 | return; |
2354 | } | |
2355 | ||
2356 | if (wpa_s->eapol_received == 0 && | |
c2a04078 | 2357 | (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) || |
56586197 | 2358 | !wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) || |
9c972abb JM |
2359 | wpa_s->wpa_state != WPA_COMPLETED) && |
2360 | (wpa_s->current_ssid == NULL || | |
2361 | wpa_s->current_ssid->mode != IEEE80211_MODE_IBSS)) { | |
6fc6879b JM |
2362 | /* Timeout for completing IEEE 802.1X and WPA authentication */ |
2363 | wpa_supplicant_req_auth_timeout( | |
2364 | wpa_s, | |
56586197 | 2365 | (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) || |
a6f06dab AT |
2366 | wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA || |
2367 | wpa_s->key_mgmt == WPA_KEY_MGMT_WPS) ? | |
6fc6879b JM |
2368 | 70 : 10, 0); |
2369 | } | |
2370 | wpa_s->eapol_received++; | |
2371 | ||
2372 | if (wpa_s->countermeasures) { | |
f049052b BG |
2373 | wpa_msg(wpa_s, MSG_INFO, "WPA: Countermeasures - dropped " |
2374 | "EAPOL packet"); | |
6fc6879b JM |
2375 | return; |
2376 | } | |
2377 | ||
8be18440 JM |
2378 | #ifdef CONFIG_IBSS_RSN |
2379 | if (wpa_s->current_ssid && | |
d7dcba70 | 2380 | wpa_s->current_ssid->mode == WPAS_MODE_IBSS) { |
8be18440 JM |
2381 | ibss_rsn_rx_eapol(wpa_s->ibss_rsn, src_addr, buf, len); |
2382 | return; | |
2383 | } | |
2384 | #endif /* CONFIG_IBSS_RSN */ | |
2385 | ||
6fc6879b JM |
2386 | /* Source address of the incoming EAPOL frame could be compared to the |
2387 | * current BSSID. However, it is possible that a centralized | |
2388 | * Authenticator could be using another MAC address than the BSSID of | |
2389 | * an AP, so just allow any address to be used for now. The replies are | |
2390 | * still sent to the current BSSID (if available), though. */ | |
2391 | ||
2392 | os_memcpy(wpa_s->last_eapol_src, src_addr, ETH_ALEN); | |
56586197 | 2393 | if (!wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) && |
6fc6879b JM |
2394 | eapol_sm_rx_eapol(wpa_s->eapol, src_addr, buf, len) > 0) |
2395 | return; | |
2396 | wpa_drv_poll(wpa_s); | |
c2a04078 | 2397 | if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE)) |
6fc6879b | 2398 | wpa_sm_rx_eapol(wpa_s->wpa, src_addr, buf, len); |
56586197 | 2399 | else if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) { |
6fc6879b JM |
2400 | /* |
2401 | * Set portValid = TRUE here since we are going to skip 4-way | |
2402 | * handshake processing which would normally set portValid. We | |
2403 | * need this to allow the EAPOL state machines to be completed | |
2404 | * without going through EAPOL-Key handshake. | |
2405 | */ | |
2406 | eapol_sm_notify_portValid(wpa_s->eapol, TRUE); | |
2407 | } | |
2408 | } | |
2409 | ||
2410 | ||
bfba8deb | 2411 | int wpa_supplicant_update_mac_addr(struct wpa_supplicant *wpa_s) |
6fc6879b | 2412 | { |
6fc6879b JM |
2413 | if (wpa_s->driver->send_eapol) { |
2414 | const u8 *addr = wpa_drv_get_mac_addr(wpa_s); | |
2415 | if (addr) | |
2416 | os_memcpy(wpa_s->own_addr, addr, ETH_ALEN); | |
1c42b42f JM |
2417 | } else if ((!wpa_s->p2p_mgmt || |
2418 | !(wpa_s->drv_flags & | |
2419 | WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)) && | |
c68f6200 | 2420 | !(wpa_s->drv_flags & |
fdadd5fe | 2421 | WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE)) { |
bfba8deb | 2422 | l2_packet_deinit(wpa_s->l2); |
6fc6879b JM |
2423 | wpa_s->l2 = l2_packet_init(wpa_s->ifname, |
2424 | wpa_drv_get_mac_addr(wpa_s), | |
2425 | ETH_P_EAPOL, | |
2426 | wpa_supplicant_rx_eapol, wpa_s, 0); | |
2427 | if (wpa_s->l2 == NULL) | |
2428 | return -1; | |
fdadd5fe JM |
2429 | } else { |
2430 | const u8 *addr = wpa_drv_get_mac_addr(wpa_s); | |
2431 | if (addr) | |
2432 | os_memcpy(wpa_s->own_addr, addr, ETH_ALEN); | |
6fc6879b JM |
2433 | } |
2434 | ||
2435 | if (wpa_s->l2 && l2_packet_get_own_addr(wpa_s->l2, wpa_s->own_addr)) { | |
f049052b | 2436 | wpa_msg(wpa_s, MSG_ERROR, "Failed to get own L2 address"); |
6fc6879b JM |
2437 | return -1; |
2438 | } | |
2439 | ||
bfba8deb JM |
2440 | return 0; |
2441 | } | |
2442 | ||
2443 | ||
25f839c6 JM |
2444 | static void wpa_supplicant_rx_eapol_bridge(void *ctx, const u8 *src_addr, |
2445 | const u8 *buf, size_t len) | |
2446 | { | |
2447 | struct wpa_supplicant *wpa_s = ctx; | |
2448 | const struct l2_ethhdr *eth; | |
2449 | ||
2450 | if (len < sizeof(*eth)) | |
2451 | return; | |
2452 | eth = (const struct l2_ethhdr *) buf; | |
2453 | ||
2454 | if (os_memcmp(eth->h_dest, wpa_s->own_addr, ETH_ALEN) != 0 && | |
2455 | !(eth->h_dest[0] & 0x01)) { | |
2456 | wpa_dbg(wpa_s, MSG_DEBUG, "RX EAPOL from " MACSTR " to " MACSTR | |
2457 | " (bridge - not for this interface - ignore)", | |
2458 | MAC2STR(src_addr), MAC2STR(eth->h_dest)); | |
2459 | return; | |
2460 | } | |
2461 | ||
2462 | wpa_dbg(wpa_s, MSG_DEBUG, "RX EAPOL from " MACSTR " to " MACSTR | |
2463 | " (bridge)", MAC2STR(src_addr), MAC2STR(eth->h_dest)); | |
2464 | wpa_supplicant_rx_eapol(wpa_s, src_addr, buf + sizeof(*eth), | |
2465 | len - sizeof(*eth)); | |
2466 | } | |
2467 | ||
2468 | ||
bfba8deb JM |
2469 | /** |
2470 | * wpa_supplicant_driver_init - Initialize driver interface parameters | |
2471 | * @wpa_s: Pointer to wpa_supplicant data | |
2472 | * Returns: 0 on success, -1 on failure | |
2473 | * | |
2474 | * This function is called to initialize driver interface parameters. | |
2475 | * wpa_drv_init() must have been called before this function to initialize the | |
2476 | * driver interface. | |
2477 | */ | |
2478 | int wpa_supplicant_driver_init(struct wpa_supplicant *wpa_s) | |
2479 | { | |
2480 | static int interface_count = 0; | |
2481 | ||
2482 | if (wpa_supplicant_update_mac_addr(wpa_s) < 0) | |
2483 | return -1; | |
2484 | ||
c68f6200 AS |
2485 | wpa_dbg(wpa_s, MSG_DEBUG, "Own MAC address: " MACSTR, |
2486 | MAC2STR(wpa_s->own_addr)); | |
2487 | wpa_sm_set_own_addr(wpa_s->wpa, wpa_s->own_addr); | |
2488 | ||
6fc6879b | 2489 | if (wpa_s->bridge_ifname[0]) { |
f049052b BG |
2490 | wpa_dbg(wpa_s, MSG_DEBUG, "Receiving packets from bridge " |
2491 | "interface '%s'", wpa_s->bridge_ifname); | |
6fc6879b JM |
2492 | wpa_s->l2_br = l2_packet_init(wpa_s->bridge_ifname, |
2493 | wpa_s->own_addr, | |
2494 | ETH_P_EAPOL, | |
25f839c6 JM |
2495 | wpa_supplicant_rx_eapol_bridge, |
2496 | wpa_s, 1); | |
6fc6879b | 2497 | if (wpa_s->l2_br == NULL) { |
f049052b BG |
2498 | wpa_msg(wpa_s, MSG_ERROR, "Failed to open l2_packet " |
2499 | "connection for the bridge interface '%s'", | |
2500 | wpa_s->bridge_ifname); | |
6fc6879b JM |
2501 | return -1; |
2502 | } | |
2503 | } | |
2504 | ||
6fc6879b JM |
2505 | wpa_clear_keys(wpa_s, NULL); |
2506 | ||
2507 | /* Make sure that TKIP countermeasures are not left enabled (could | |
2508 | * happen if wpa_supplicant is killed during countermeasures. */ | |
2509 | wpa_drv_set_countermeasures(wpa_s, 0); | |
2510 | ||
f049052b | 2511 | wpa_dbg(wpa_s, MSG_DEBUG, "RSN: flushing PMKID list in the driver"); |
6fc6879b JM |
2512 | wpa_drv_flush_pmkid(wpa_s); |
2513 | ||
ba2a573c | 2514 | wpa_s->prev_scan_ssid = WILDCARD_SSID_SCAN; |
b3aa456b ES |
2515 | wpa_s->prev_scan_wildcard = 0; |
2516 | ||
349493bd | 2517 | if (wpa_supplicant_enabled_networks(wpa_s)) { |
6a90053c LC |
2518 | if (wpa_supplicant_delayed_sched_scan(wpa_s, interface_count, |
2519 | 100000)) | |
a4cba8f1 LC |
2520 | wpa_supplicant_req_scan(wpa_s, interface_count, |
2521 | 100000); | |
74e259ec JM |
2522 | interface_count++; |
2523 | } else | |
2524 | wpa_supplicant_set_state(wpa_s, WPA_INACTIVE); | |
6fc6879b JM |
2525 | |
2526 | return 0; | |
2527 | } | |
2528 | ||
2529 | ||
2530 | static int wpa_supplicant_daemon(const char *pid_file) | |
2531 | { | |
2532 | wpa_printf(MSG_DEBUG, "Daemonize.."); | |
2533 | return os_daemonize(pid_file); | |
2534 | } | |
2535 | ||
2536 | ||
2537 | static struct wpa_supplicant * wpa_supplicant_alloc(void) | |
2538 | { | |
2539 | struct wpa_supplicant *wpa_s; | |
2540 | ||
2541 | wpa_s = os_zalloc(sizeof(*wpa_s)); | |
2542 | if (wpa_s == NULL) | |
2543 | return NULL; | |
4115303b | 2544 | wpa_s->scan_req = INITIAL_SCAN_REQ; |
67b9bd08 | 2545 | wpa_s->scan_interval = 5; |
c302f207 | 2546 | wpa_s->new_connection = 1; |
b22128ef | 2547 | wpa_s->parent = wpa_s; |
cbdf3507 | 2548 | wpa_s->sched_scanning = 0; |
6fc6879b JM |
2549 | |
2550 | return wpa_s; | |
2551 | } | |
2552 | ||
2553 | ||
80e8a5ee BG |
2554 | #ifdef CONFIG_HT_OVERRIDES |
2555 | ||
2556 | static int wpa_set_htcap_mcs(struct wpa_supplicant *wpa_s, | |
2557 | struct ieee80211_ht_capabilities *htcaps, | |
2558 | struct ieee80211_ht_capabilities *htcaps_mask, | |
2559 | const char *ht_mcs) | |
2560 | { | |
2561 | /* parse ht_mcs into hex array */ | |
2562 | int i; | |
2563 | const char *tmp = ht_mcs; | |
2564 | char *end = NULL; | |
2565 | ||
2566 | /* If ht_mcs is null, do not set anything */ | |
2567 | if (!ht_mcs) | |
2568 | return 0; | |
2569 | ||
2570 | /* This is what we are setting in the kernel */ | |
2571 | os_memset(&htcaps->supported_mcs_set, 0, IEEE80211_HT_MCS_MASK_LEN); | |
2572 | ||
2573 | wpa_msg(wpa_s, MSG_DEBUG, "set_htcap, ht_mcs -:%s:-", ht_mcs); | |
2574 | ||
2575 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) { | |
2576 | errno = 0; | |
2577 | long v = strtol(tmp, &end, 16); | |
2578 | if (errno == 0) { | |
2579 | wpa_msg(wpa_s, MSG_DEBUG, | |
2580 | "htcap value[%i]: %ld end: %p tmp: %p", | |
2581 | i, v, end, tmp); | |
2582 | if (end == tmp) | |
2583 | break; | |
2584 | ||
2585 | htcaps->supported_mcs_set[i] = v; | |
2586 | tmp = end; | |
2587 | } else { | |
2588 | wpa_msg(wpa_s, MSG_ERROR, | |
2589 | "Failed to parse ht-mcs: %s, error: %s\n", | |
2590 | ht_mcs, strerror(errno)); | |
2591 | return -1; | |
2592 | } | |
2593 | } | |
2594 | ||
2595 | /* | |
2596 | * If we were able to parse any values, then set mask for the MCS set. | |
2597 | */ | |
2598 | if (i) { | |
2599 | os_memset(&htcaps_mask->supported_mcs_set, 0xff, | |
2600 | IEEE80211_HT_MCS_MASK_LEN - 1); | |
2601 | /* skip the 3 reserved bits */ | |
2602 | htcaps_mask->supported_mcs_set[IEEE80211_HT_MCS_MASK_LEN - 1] = | |
2603 | 0x1f; | |
2604 | } | |
2605 | ||
2606 | return 0; | |
2607 | } | |
2608 | ||
2609 | ||
2610 | static int wpa_disable_max_amsdu(struct wpa_supplicant *wpa_s, | |
2611 | struct ieee80211_ht_capabilities *htcaps, | |
2612 | struct ieee80211_ht_capabilities *htcaps_mask, | |
2613 | int disabled) | |
2614 | { | |
2615 | u16 msk; | |
2616 | ||
2617 | wpa_msg(wpa_s, MSG_DEBUG, "set_disable_max_amsdu: %d", disabled); | |
2618 | ||
2619 | if (disabled == -1) | |
2620 | return 0; | |
2621 | ||
2622 | msk = host_to_le16(HT_CAP_INFO_MAX_AMSDU_SIZE); | |
2623 | htcaps_mask->ht_capabilities_info |= msk; | |
2624 | if (disabled) | |
2625 | htcaps->ht_capabilities_info &= msk; | |
2626 | else | |
2627 | htcaps->ht_capabilities_info |= msk; | |
2628 | ||
2629 | return 0; | |
2630 | } | |
2631 | ||
2632 | ||
2633 | static int wpa_set_ampdu_factor(struct wpa_supplicant *wpa_s, | |
2634 | struct ieee80211_ht_capabilities *htcaps, | |
2635 | struct ieee80211_ht_capabilities *htcaps_mask, | |
2636 | int factor) | |
2637 | { | |
2638 | wpa_msg(wpa_s, MSG_DEBUG, "set_ampdu_factor: %d", factor); | |
2639 | ||
2640 | if (factor == -1) | |
2641 | return 0; | |
2642 | ||
2643 | if (factor < 0 || factor > 3) { | |
2644 | wpa_msg(wpa_s, MSG_ERROR, "ampdu_factor: %d out of range. " | |
2645 | "Must be 0-3 or -1", factor); | |
2646 | return -EINVAL; | |
2647 | } | |
2648 | ||
2649 | htcaps_mask->a_mpdu_params |= 0x3; /* 2 bits for factor */ | |
2650 | htcaps->a_mpdu_params &= ~0x3; | |
2651 | htcaps->a_mpdu_params |= factor & 0x3; | |
2652 | ||
2653 | return 0; | |
2654 | } | |
2655 | ||
2656 | ||
2657 | static int wpa_set_ampdu_density(struct wpa_supplicant *wpa_s, | |
2658 | struct ieee80211_ht_capabilities *htcaps, | |
2659 | struct ieee80211_ht_capabilities *htcaps_mask, | |
2660 | int density) | |
2661 | { | |
2662 | wpa_msg(wpa_s, MSG_DEBUG, "set_ampdu_density: %d", density); | |
2663 | ||
2664 | if (density == -1) | |
2665 | return 0; | |
2666 | ||
2667 | if (density < 0 || density > 7) { | |
2668 | wpa_msg(wpa_s, MSG_ERROR, | |
2669 | "ampdu_density: %d out of range. Must be 0-7 or -1.", | |
2670 | density); | |
2671 | return -EINVAL; | |
2672 | } | |
2673 | ||
2674 | htcaps_mask->a_mpdu_params |= 0x1C; | |
2675 | htcaps->a_mpdu_params &= ~(0x1C); | |
2676 | htcaps->a_mpdu_params |= (density << 2) & 0x1C; | |
2677 | ||
2678 | return 0; | |
2679 | } | |
2680 | ||
2681 | ||
2682 | static int wpa_set_disable_ht40(struct wpa_supplicant *wpa_s, | |
2683 | struct ieee80211_ht_capabilities *htcaps, | |
2684 | struct ieee80211_ht_capabilities *htcaps_mask, | |
2685 | int disabled) | |
2686 | { | |
2687 | /* Masking these out disables HT40 */ | |
2688 | u16 msk = host_to_le16(HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET | | |
2689 | HT_CAP_INFO_SHORT_GI40MHZ); | |
2690 | ||
2691 | wpa_msg(wpa_s, MSG_DEBUG, "set_disable_ht40: %d", disabled); | |
2692 | ||
2693 | if (disabled) | |
2694 | htcaps->ht_capabilities_info &= ~msk; | |
2695 | else | |
2696 | htcaps->ht_capabilities_info |= msk; | |
2697 | ||
2698 | htcaps_mask->ht_capabilities_info |= msk; | |
2699 | ||
2700 | return 0; | |
2701 | } | |
2702 | ||
2703 | ||
a90497f8 BG |
2704 | static int wpa_set_disable_sgi(struct wpa_supplicant *wpa_s, |
2705 | struct ieee80211_ht_capabilities *htcaps, | |
2706 | struct ieee80211_ht_capabilities *htcaps_mask, | |
2707 | int disabled) | |
2708 | { | |
2709 | /* Masking these out disables SGI */ | |
2710 | u16 msk = host_to_le16(HT_CAP_INFO_SHORT_GI20MHZ | | |
2711 | HT_CAP_INFO_SHORT_GI40MHZ); | |
2712 | ||
2713 | wpa_msg(wpa_s, MSG_DEBUG, "set_disable_sgi: %d", disabled); | |
2714 | ||
2715 | if (disabled) | |
2716 | htcaps->ht_capabilities_info &= ~msk; | |
2717 | else | |
2718 | htcaps->ht_capabilities_info |= msk; | |
2719 | ||
2720 | htcaps_mask->ht_capabilities_info |= msk; | |
2721 | ||
2722 | return 0; | |
2723 | } | |
2724 | ||
2725 | ||
80e8a5ee BG |
2726 | void wpa_supplicant_apply_ht_overrides( |
2727 | struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid, | |
2728 | struct wpa_driver_associate_params *params) | |
2729 | { | |
2730 | struct ieee80211_ht_capabilities *htcaps; | |
2731 | struct ieee80211_ht_capabilities *htcaps_mask; | |
2732 | ||
2733 | if (!ssid) | |
2734 | return; | |
2735 | ||
2736 | params->disable_ht = ssid->disable_ht; | |
2737 | if (!params->htcaps || !params->htcaps_mask) | |
2738 | return; | |
2739 | ||
2740 | htcaps = (struct ieee80211_ht_capabilities *) params->htcaps; | |
2741 | htcaps_mask = (struct ieee80211_ht_capabilities *) params->htcaps_mask; | |
2742 | wpa_set_htcap_mcs(wpa_s, htcaps, htcaps_mask, ssid->ht_mcs); | |
2743 | wpa_disable_max_amsdu(wpa_s, htcaps, htcaps_mask, | |
2744 | ssid->disable_max_amsdu); | |
2745 | wpa_set_ampdu_factor(wpa_s, htcaps, htcaps_mask, ssid->ampdu_factor); | |
2746 | wpa_set_ampdu_density(wpa_s, htcaps, htcaps_mask, ssid->ampdu_density); | |
2747 | wpa_set_disable_ht40(wpa_s, htcaps, htcaps_mask, ssid->disable_ht40); | |
a90497f8 | 2748 | wpa_set_disable_sgi(wpa_s, htcaps, htcaps_mask, ssid->disable_sgi); |
80e8a5ee BG |
2749 | } |
2750 | ||
2751 | #endif /* CONFIG_HT_OVERRIDES */ | |
2752 | ||
2753 | ||
e9ee8dc3 JB |
2754 | #ifdef CONFIG_VHT_OVERRIDES |
2755 | void wpa_supplicant_apply_vht_overrides( | |
2756 | struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid, | |
2757 | struct wpa_driver_associate_params *params) | |
2758 | { | |
2759 | struct ieee80211_vht_capabilities *vhtcaps; | |
2760 | struct ieee80211_vht_capabilities *vhtcaps_mask; | |
2761 | ||
2762 | if (!ssid) | |
2763 | return; | |
2764 | ||
2765 | params->disable_vht = ssid->disable_vht; | |
2766 | ||
2767 | vhtcaps = (void *) params->vhtcaps; | |
2768 | vhtcaps_mask = (void *) params->vhtcaps_mask; | |
2769 | ||
2770 | if (!vhtcaps || !vhtcaps_mask) | |
2771 | return; | |
2772 | ||
2773 | vhtcaps->vht_capabilities_info = ssid->vht_capa; | |
2774 | vhtcaps_mask->vht_capabilities_info = ssid->vht_capa_mask; | |
2775 | ||
2776 | #define OVERRIDE_MCS(i) \ | |
2777 | if (ssid->vht_tx_mcs_nss_ ##i >= 0) { \ | |
2778 | vhtcaps_mask->vht_supported_mcs_set.tx_map |= \ | |
2779 | 3 << 2 * (i - 1); \ | |
2780 | vhtcaps->vht_supported_mcs_set.tx_map |= \ | |
2781 | ssid->vht_tx_mcs_nss_ ##i << 2 * (i - 1); \ | |
2782 | } \ | |
2783 | if (ssid->vht_rx_mcs_nss_ ##i >= 0) { \ | |
2784 | vhtcaps_mask->vht_supported_mcs_set.rx_map |= \ | |
2785 | 3 << 2 * (i - 1); \ | |
2786 | vhtcaps->vht_supported_mcs_set.rx_map |= \ | |
2787 | ssid->vht_rx_mcs_nss_ ##i << 2 * (i - 1); \ | |
2788 | } | |
2789 | ||
2790 | OVERRIDE_MCS(1); | |
2791 | OVERRIDE_MCS(2); | |
2792 | OVERRIDE_MCS(3); | |
2793 | OVERRIDE_MCS(4); | |
2794 | OVERRIDE_MCS(5); | |
2795 | OVERRIDE_MCS(6); | |
2796 | OVERRIDE_MCS(7); | |
2797 | OVERRIDE_MCS(8); | |
2798 | } | |
2799 | #endif /* CONFIG_VHT_OVERRIDES */ | |
2800 | ||
2801 | ||
f64adcd7 JM |
2802 | static int pcsc_reader_init(struct wpa_supplicant *wpa_s) |
2803 | { | |
2804 | #ifdef PCSC_FUNCS | |
2805 | size_t len; | |
2806 | ||
2807 | if (!wpa_s->conf->pcsc_reader) | |
2808 | return 0; | |
2809 | ||
22cf7d73 | 2810 | wpa_s->scard = scard_init(wpa_s->conf->pcsc_reader); |
f64adcd7 JM |
2811 | if (!wpa_s->scard) |
2812 | return 1; | |
2813 | ||
2814 | if (wpa_s->conf->pcsc_pin && | |
2815 | scard_set_pin(wpa_s->scard, wpa_s->conf->pcsc_pin) < 0) { | |
2816 | scard_deinit(wpa_s->scard); | |
2817 | wpa_s->scard = NULL; | |
2818 | wpa_msg(wpa_s, MSG_ERROR, "PC/SC PIN validation failed"); | |
2819 | return -1; | |
2820 | } | |
2821 | ||
2822 | len = sizeof(wpa_s->imsi) - 1; | |
2823 | if (scard_get_imsi(wpa_s->scard, wpa_s->imsi, &len)) { | |
2824 | scard_deinit(wpa_s->scard); | |
2825 | wpa_s->scard = NULL; | |
2826 | wpa_msg(wpa_s, MSG_ERROR, "Could not read IMSI"); | |
2827 | return -1; | |
2828 | } | |
2829 | wpa_s->imsi[len] = '\0'; | |
2830 | ||
2831 | wpa_s->mnc_len = scard_get_mnc_len(wpa_s->scard); | |
2832 | ||
2833 | wpa_printf(MSG_DEBUG, "SCARD: IMSI %s (MNC length %d)", | |
2834 | wpa_s->imsi, wpa_s->mnc_len); | |
2835 | ||
2836 | wpa_sm_set_scard_ctx(wpa_s->wpa, wpa_s->scard); | |
2837 | eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard); | |
2838 | #endif /* PCSC_FUNCS */ | |
2839 | ||
2840 | return 0; | |
2841 | } | |
2842 | ||
2843 | ||
306ae225 JM |
2844 | int wpas_init_ext_pw(struct wpa_supplicant *wpa_s) |
2845 | { | |
2846 | char *val, *pos; | |
2847 | ||
2848 | ext_password_deinit(wpa_s->ext_pw); | |
2849 | wpa_s->ext_pw = NULL; | |
2850 | eapol_sm_set_ext_pw_ctx(wpa_s->eapol, NULL); | |
2851 | ||
2852 | if (!wpa_s->conf->ext_password_backend) | |
2853 | return 0; | |
2854 | ||
2855 | val = os_strdup(wpa_s->conf->ext_password_backend); | |
2856 | if (val == NULL) | |
2857 | return -1; | |
2858 | pos = os_strchr(val, ':'); | |
2859 | if (pos) | |
2860 | *pos++ = '\0'; | |
2861 | ||
2862 | wpa_printf(MSG_DEBUG, "EXT PW: Initialize backend '%s'", val); | |
2863 | ||
2864 | wpa_s->ext_pw = ext_password_init(val, pos); | |
2865 | os_free(val); | |
2866 | if (wpa_s->ext_pw == NULL) { | |
2867 | wpa_printf(MSG_DEBUG, "EXT PW: Failed to initialize backend"); | |
2868 | return -1; | |
2869 | } | |
2870 | eapol_sm_set_ext_pw_ctx(wpa_s->eapol, wpa_s->ext_pw); | |
2871 | ||
2872 | return 0; | |
2873 | } | |
2874 | ||
2875 | ||
202dec2a JM |
2876 | static struct wpa_radio * radio_add_interface(struct wpa_supplicant *wpa_s, |
2877 | const char *rn) | |
2878 | { | |
2879 | struct wpa_supplicant *iface = wpa_s->global->ifaces; | |
2880 | struct wpa_radio *radio; | |
2881 | ||
2882 | while (rn && iface) { | |
2883 | radio = iface->radio; | |
2884 | if (radio && os_strcmp(rn, radio->name) == 0) { | |
2885 | wpa_printf(MSG_DEBUG, "Add interface %s to existing radio %s", | |
2886 | wpa_s->ifname, rn); | |
2887 | dl_list_add(&radio->ifaces, &wpa_s->radio_list); | |
2888 | return radio; | |
2889 | } | |
b154a24e TB |
2890 | |
2891 | iface = iface->next; | |
202dec2a JM |
2892 | } |
2893 | ||
2894 | wpa_printf(MSG_DEBUG, "Add interface %s to a new radio %s", | |
2895 | wpa_s->ifname, rn ? rn : "N/A"); | |
2896 | radio = os_zalloc(sizeof(*radio)); | |
2897 | if (radio == NULL) | |
2898 | return NULL; | |
2899 | ||
2900 | if (rn) | |
2901 | os_strlcpy(radio->name, rn, sizeof(radio->name)); | |
2902 | dl_list_init(&radio->ifaces); | |
2903 | dl_list_add(&radio->ifaces, &wpa_s->radio_list); | |
2904 | ||
2905 | return radio; | |
2906 | } | |
2907 | ||
2908 | ||
2909 | static void radio_remove_interface(struct wpa_supplicant *wpa_s) | |
2910 | { | |
2911 | struct wpa_radio *radio = wpa_s->radio; | |
2912 | ||
2913 | if (!radio) | |
2914 | return; | |
2915 | ||
2916 | wpa_printf(MSG_DEBUG, "Remove interface %s from radio %s", | |
2917 | wpa_s->ifname, radio->name); | |
2918 | dl_list_del(&wpa_s->radio_list); | |
2919 | wpa_s->radio = NULL; | |
2920 | ||
2921 | if (!dl_list_empty(&radio->ifaces)) | |
2922 | return; /* Interfaces remain for this radio */ | |
2923 | ||
2924 | wpa_printf(MSG_DEBUG, "Remove radio %s", radio->name); | |
2925 | os_free(radio); | |
2926 | } | |
2927 | ||
2928 | ||
73c00fd7 JM |
2929 | static int wpas_init_driver(struct wpa_supplicant *wpa_s, |
2930 | struct wpa_interface *iface) | |
2931 | { | |
202dec2a | 2932 | const char *ifname, *driver, *rn; |
73c00fd7 JM |
2933 | |
2934 | driver = iface->driver; | |
2935 | next_driver: | |
2936 | if (wpa_supplicant_set_driver(wpa_s, driver) < 0) | |
2937 | return -1; | |
2938 | ||
2939 | wpa_s->drv_priv = wpa_drv_init(wpa_s, wpa_s->ifname); | |
2940 | if (wpa_s->drv_priv == NULL) { | |
2941 | const char *pos; | |
2942 | pos = driver ? os_strchr(driver, ',') : NULL; | |
2943 | if (pos) { | |
2944 | wpa_dbg(wpa_s, MSG_DEBUG, "Failed to initialize " | |
2945 | "driver interface - try next driver wrapper"); | |
2946 | driver = pos + 1; | |
2947 | goto next_driver; | |
2948 | } | |
2949 | wpa_msg(wpa_s, MSG_ERROR, "Failed to initialize driver " | |
2950 | "interface"); | |
2951 | return -1; | |
2952 | } | |
2953 | if (wpa_drv_set_param(wpa_s, wpa_s->conf->driver_param) < 0) { | |
2954 | wpa_msg(wpa_s, MSG_ERROR, "Driver interface rejected " | |
2955 | "driver_param '%s'", wpa_s->conf->driver_param); | |
2956 | return -1; | |
2957 | } | |
2958 | ||
2959 | ifname = wpa_drv_get_ifname(wpa_s); | |
2960 | if (ifname && os_strcmp(ifname, wpa_s->ifname) != 0) { | |
2961 | wpa_dbg(wpa_s, MSG_DEBUG, "Driver interface replaced " | |
2962 | "interface name with '%s'", ifname); | |
2963 | os_strlcpy(wpa_s->ifname, ifname, sizeof(wpa_s->ifname)); | |
2964 | } | |
2965 | ||
202dec2a JM |
2966 | if (wpa_s->driver->get_radio_name) |
2967 | rn = wpa_s->driver->get_radio_name(wpa_s->drv_priv); | |
2968 | else | |
2969 | rn = NULL; | |
2970 | if (rn && rn[0] == '\0') | |
2971 | rn = NULL; | |
2972 | ||
2973 | wpa_s->radio = radio_add_interface(wpa_s, rn); | |
2974 | if (wpa_s->radio == NULL) | |
2975 | return -1; | |
2976 | ||
73c00fd7 JM |
2977 | return 0; |
2978 | } | |
2979 | ||
2980 | ||
6fc6879b JM |
2981 | static int wpa_supplicant_init_iface(struct wpa_supplicant *wpa_s, |
2982 | struct wpa_interface *iface) | |
2983 | { | |
362f781e JM |
2984 | struct wpa_driver_capa capa; |
2985 | ||
6fc6879b JM |
2986 | wpa_printf(MSG_DEBUG, "Initializing interface '%s' conf '%s' driver " |
2987 | "'%s' ctrl_interface '%s' bridge '%s'", iface->ifname, | |
2988 | iface->confname ? iface->confname : "N/A", | |
2989 | iface->driver ? iface->driver : "default", | |
2990 | iface->ctrl_interface ? iface->ctrl_interface : "N/A", | |
2991 | iface->bridge_ifname ? iface->bridge_ifname : "N/A"); | |
2992 | ||
6fc6879b JM |
2993 | if (iface->confname) { |
2994 | #ifdef CONFIG_BACKEND_FILE | |
2995 | wpa_s->confname = os_rel2abs_path(iface->confname); | |
2996 | if (wpa_s->confname == NULL) { | |
2997 | wpa_printf(MSG_ERROR, "Failed to get absolute path " | |
2998 | "for configuration file '%s'.", | |
2999 | iface->confname); | |
3000 | return -1; | |
3001 | } | |
3002 | wpa_printf(MSG_DEBUG, "Configuration file '%s' -> '%s'", | |
3003 | iface->confname, wpa_s->confname); | |
3004 | #else /* CONFIG_BACKEND_FILE */ | |
3005 | wpa_s->confname = os_strdup(iface->confname); | |
3006 | #endif /* CONFIG_BACKEND_FILE */ | |
e6304cad | 3007 | wpa_s->conf = wpa_config_read(wpa_s->confname, NULL); |
6fc6879b JM |
3008 | if (wpa_s->conf == NULL) { |
3009 | wpa_printf(MSG_ERROR, "Failed to read or parse " | |
3010 | "configuration '%s'.", wpa_s->confname); | |
3011 | return -1; | |
3012 | } | |
e6304cad DS |
3013 | wpa_s->confanother = os_rel2abs_path(iface->confanother); |
3014 | wpa_config_read(wpa_s->confanother, wpa_s->conf); | |
6fc6879b JM |
3015 | |
3016 | /* | |
3017 | * Override ctrl_interface and driver_param if set on command | |
3018 | * line. | |
3019 | */ | |
3020 | if (iface->ctrl_interface) { | |
3021 | os_free(wpa_s->conf->ctrl_interface); | |
3022 | wpa_s->conf->ctrl_interface = | |
3023 | os_strdup(iface->ctrl_interface); | |
3024 | } | |
3025 | ||
3026 | if (iface->driver_param) { | |
3027 | os_free(wpa_s->conf->driver_param); | |
3028 | wpa_s->conf->driver_param = | |
3029 | os_strdup(iface->driver_param); | |
3030 | } | |
78f79fe5 JM |
3031 | |
3032 | if (iface->p2p_mgmt && !iface->ctrl_interface) { | |
3033 | os_free(wpa_s->conf->ctrl_interface); | |
3034 | wpa_s->conf->ctrl_interface = NULL; | |
3035 | } | |
6fc6879b JM |
3036 | } else |
3037 | wpa_s->conf = wpa_config_alloc_empty(iface->ctrl_interface, | |
3038 | iface->driver_param); | |
3039 | ||
3040 | if (wpa_s->conf == NULL) { | |
3041 | wpa_printf(MSG_ERROR, "\nNo configuration found."); | |
3042 | return -1; | |
3043 | } | |
3044 | ||
3045 | if (iface->ifname == NULL) { | |
3046 | wpa_printf(MSG_ERROR, "\nInterface name is required."); | |
3047 | return -1; | |
3048 | } | |
3049 | if (os_strlen(iface->ifname) >= sizeof(wpa_s->ifname)) { | |
3050 | wpa_printf(MSG_ERROR, "\nToo long interface name '%s'.", | |
3051 | iface->ifname); | |
3052 | return -1; | |
3053 | } | |
3054 | os_strlcpy(wpa_s->ifname, iface->ifname, sizeof(wpa_s->ifname)); | |
3055 | ||
3056 | if (iface->bridge_ifname) { | |
3057 | if (os_strlen(iface->bridge_ifname) >= | |
3058 | sizeof(wpa_s->bridge_ifname)) { | |
3059 | wpa_printf(MSG_ERROR, "\nToo long bridge interface " | |
3060 | "name '%s'.", iface->bridge_ifname); | |
3061 | return -1; | |
3062 | } | |
3063 | os_strlcpy(wpa_s->bridge_ifname, iface->bridge_ifname, | |
3064 | sizeof(wpa_s->bridge_ifname)); | |
3065 | } | |
3066 | ||
6fc6879b JM |
3067 | /* RSNA Supplicant Key Management - INITIALIZE */ |
3068 | eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE); | |
3069 | eapol_sm_notify_portValid(wpa_s->eapol, FALSE); | |
3070 | ||
3071 | /* Initialize driver interface and register driver event handler before | |
3072 | * L2 receive handler so that association events are processed before | |
3073 | * EAPOL-Key packets if both become available for the same select() | |
3074 | * call. */ | |
73c00fd7 | 3075 | if (wpas_init_driver(wpa_s, iface) < 0) |
362f781e JM |
3076 | return -1; |
3077 | ||
6fc6879b JM |
3078 | if (wpa_supplicant_init_wpa(wpa_s) < 0) |
3079 | return -1; | |
3080 | ||
3081 | wpa_sm_set_ifname(wpa_s->wpa, wpa_s->ifname, | |
3082 | wpa_s->bridge_ifname[0] ? wpa_s->bridge_ifname : | |
3083 | NULL); | |
3084 | wpa_sm_set_fast_reauth(wpa_s->wpa, wpa_s->conf->fast_reauth); | |
3085 | ||
3086 | if (wpa_s->conf->dot11RSNAConfigPMKLifetime && | |
3087 | wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME, | |
3088 | wpa_s->conf->dot11RSNAConfigPMKLifetime)) { | |
f049052b BG |
3089 | wpa_msg(wpa_s, MSG_ERROR, "Invalid WPA parameter value for " |
3090 | "dot11RSNAConfigPMKLifetime"); | |
6fc6879b JM |
3091 | return -1; |
3092 | } | |
3093 | ||
3094 | if (wpa_s->conf->dot11RSNAConfigPMKReauthThreshold && | |
3095 | wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD, | |
3096 | wpa_s->conf->dot11RSNAConfigPMKReauthThreshold)) { | |
f049052b | 3097 | wpa_msg(wpa_s, MSG_ERROR, "Invalid WPA parameter value for " |
6fc6879b JM |
3098 | "dot11RSNAConfigPMKReauthThreshold"); |
3099 | return -1; | |
3100 | } | |
3101 | ||
3102 | if (wpa_s->conf->dot11RSNAConfigSATimeout && | |
3103 | wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, | |
3104 | wpa_s->conf->dot11RSNAConfigSATimeout)) { | |
f049052b BG |
3105 | wpa_msg(wpa_s, MSG_ERROR, "Invalid WPA parameter value for " |
3106 | "dot11RSNAConfigSATimeout"); | |
6fc6879b JM |
3107 | return -1; |
3108 | } | |
3109 | ||
6bf731e8 CL |
3110 | wpa_s->hw.modes = wpa_drv_get_hw_feature_data(wpa_s, |
3111 | &wpa_s->hw.num_modes, | |
3112 | &wpa_s->hw.flags); | |
3113 | ||
814782b9 | 3114 | if (wpa_drv_get_capa(wpa_s, &capa) == 0) { |
c58ab8f2 | 3115 | wpa_s->drv_capa_known = 1; |
814782b9 | 3116 | wpa_s->drv_flags = capa.flags; |
349493bd | 3117 | wpa_s->drv_enc = capa.enc; |
4f73d88a | 3118 | wpa_s->probe_resp_offloads = capa.probe_resp_offloads; |
814782b9 | 3119 | wpa_s->max_scan_ssids = capa.max_scan_ssids; |
cbdf3507 LC |
3120 | wpa_s->max_sched_scan_ssids = capa.max_sched_scan_ssids; |
3121 | wpa_s->sched_scan_supported = capa.sched_scan_supported; | |
b59e6f26 | 3122 | wpa_s->max_match_sets = capa.max_match_sets; |
814782b9 | 3123 | wpa_s->max_remain_on_chan = capa.max_remain_on_chan; |
c4ea4c5c | 3124 | wpa_s->max_stations = capa.max_stations; |
8cd6b7bc JB |
3125 | wpa_s->extended_capa = capa.extended_capa; |
3126 | wpa_s->extended_capa_mask = capa.extended_capa_mask; | |
3127 | wpa_s->extended_capa_len = capa.extended_capa_len; | |
4752147d IP |
3128 | wpa_s->num_multichan_concurrent = |
3129 | capa.num_multichan_concurrent; | |
814782b9 JM |
3130 | } |
3131 | if (wpa_s->max_remain_on_chan == 0) | |
3132 | wpa_s->max_remain_on_chan = 1000; | |
3133 | ||
c68f6200 AS |
3134 | /* |
3135 | * Only take p2p_mgmt parameters when P2P Device is supported. | |
3136 | * Doing it here as it determines whether l2_packet_init() will be done | |
3137 | * during wpa_supplicant_driver_init(). | |
3138 | */ | |
3139 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE) | |
3140 | wpa_s->p2p_mgmt = iface->p2p_mgmt; | |
3141 | else | |
3142 | iface->p2p_mgmt = 1; | |
3143 | ||
4752147d IP |
3144 | if (wpa_s->num_multichan_concurrent == 0) |
3145 | wpa_s->num_multichan_concurrent = 1; | |
3146 | ||
6fc6879b JM |
3147 | if (wpa_supplicant_driver_init(wpa_s) < 0) |
3148 | return -1; | |
3149 | ||
281ff0aa | 3150 | #ifdef CONFIG_TDLS |
1c42b42f JM |
3151 | if ((!iface->p2p_mgmt || |
3152 | !(wpa_s->drv_flags & | |
3153 | WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)) && | |
3154 | wpa_tdls_init(wpa_s->wpa)) | |
281ff0aa GP |
3155 | return -1; |
3156 | #endif /* CONFIG_TDLS */ | |
3157 | ||
315ce40a JM |
3158 | if (wpa_s->conf->country[0] && wpa_s->conf->country[1] && |
3159 | wpa_drv_set_country(wpa_s, wpa_s->conf->country)) { | |
f049052b | 3160 | wpa_dbg(wpa_s, MSG_DEBUG, "Failed to set country"); |
6d158490 LR |
3161 | return -1; |
3162 | } | |
3163 | ||
116654ce JM |
3164 | if (wpas_wps_init(wpa_s)) |
3165 | return -1; | |
3166 | ||
6fc6879b JM |
3167 | if (wpa_supplicant_init_eapol(wpa_s) < 0) |
3168 | return -1; | |
3169 | wpa_sm_set_eapol(wpa_s->wpa, wpa_s->eapol); | |
3170 | ||
3171 | wpa_s->ctrl_iface = wpa_supplicant_ctrl_iface_init(wpa_s); | |
3172 | if (wpa_s->ctrl_iface == NULL) { | |
3173 | wpa_printf(MSG_ERROR, | |
3174 | "Failed to initialize control interface '%s'.\n" | |
3175 | "You may have another wpa_supplicant process " | |
3176 | "already running or the file was\n" | |
3177 | "left by an unclean termination of wpa_supplicant " | |
3178 | "in which case you will need\n" | |
3179 | "to manually remove this file before starting " | |
3180 | "wpa_supplicant again.\n", | |
3181 | wpa_s->conf->ctrl_interface); | |
3182 | return -1; | |
3183 | } | |
3184 | ||
04ea7b79 JM |
3185 | wpa_s->gas = gas_query_init(wpa_s); |
3186 | if (wpa_s->gas == NULL) { | |
3187 | wpa_printf(MSG_ERROR, "Failed to initialize GAS query"); | |
3188 | return -1; | |
3189 | } | |
3190 | ||
b22128ef | 3191 | #ifdef CONFIG_P2P |
c68f6200 | 3192 | if (iface->p2p_mgmt && wpas_p2p_init(wpa_s->global, wpa_s) < 0) { |
f049052b | 3193 | wpa_msg(wpa_s, MSG_ERROR, "Failed to init P2P"); |
b22128ef JM |
3194 | return -1; |
3195 | } | |
3196 | #endif /* CONFIG_P2P */ | |
3197 | ||
83922c2d JM |
3198 | if (wpa_bss_init(wpa_s) < 0) |
3199 | return -1; | |
83922c2d | 3200 | |
ec7b97ab JM |
3201 | #ifdef CONFIG_EAP_PROXY |
3202 | { | |
3203 | size_t len; | |
07041c6f NJ |
3204 | wpa_s->mnc_len = eapol_sm_get_eap_proxy_imsi(wpa_s->eapol, wpa_s->imsi, |
3205 | &len); | |
ec7b97ab JM |
3206 | if (wpa_s->mnc_len > 0) { |
3207 | wpa_s->imsi[len] = '\0'; | |
3208 | wpa_printf(MSG_DEBUG, "eap_proxy: IMSI %s (MNC length %d)", | |
3209 | wpa_s->imsi, wpa_s->mnc_len); | |
3210 | } else { | |
3211 | wpa_printf(MSG_DEBUG, "eap_proxy: IMSI not available"); | |
3212 | } | |
3213 | } | |
3214 | #endif /* CONFIG_EAP_PROXY */ | |
3215 | ||
f64adcd7 JM |
3216 | if (pcsc_reader_init(wpa_s) < 0) |
3217 | return -1; | |
3218 | ||
306ae225 JM |
3219 | if (wpas_init_ext_pw(wpa_s) < 0) |
3220 | return -1; | |
3221 | ||
6fc6879b JM |
3222 | return 0; |
3223 | } | |
3224 | ||
3225 | ||
2ee055b3 | 3226 | static void wpa_supplicant_deinit_iface(struct wpa_supplicant *wpa_s, |
df509539 | 3227 | int notify, int terminate) |
6fc6879b | 3228 | { |
e679f140 | 3229 | wpa_s->disconnected = 1; |
6fc6879b JM |
3230 | if (wpa_s->drv_priv) { |
3231 | wpa_supplicant_deauthenticate(wpa_s, | |
3232 | WLAN_REASON_DEAUTH_LEAVING); | |
3233 | ||
6fc6879b JM |
3234 | wpa_drv_set_countermeasures(wpa_s, 0); |
3235 | wpa_clear_keys(wpa_s, NULL); | |
3236 | } | |
3237 | ||
8e56d189 JM |
3238 | wpa_supplicant_cleanup(wpa_s); |
3239 | ||
ab28911d JM |
3240 | #ifdef CONFIG_P2P |
3241 | if (wpa_s == wpa_s->global->p2p_init_wpa_s && wpa_s->global->p2p) { | |
3242 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Disable P2P since removing " | |
3243 | "the management interface is being removed"); | |
3244 | wpas_p2p_deinit_global(wpa_s->global); | |
3245 | } | |
3246 | #endif /* CONFIG_P2P */ | |
3247 | ||
202dec2a JM |
3248 | radio_remove_interface(wpa_s); |
3249 | ||
6fc6879b JM |
3250 | if (wpa_s->drv_priv) |
3251 | wpa_drv_deinit(wpa_s); | |
2523ff6e DS |
3252 | |
3253 | if (notify) | |
3254 | wpas_notify_iface_removed(wpa_s); | |
f0811516 DS |
3255 | |
3256 | if (terminate) | |
3257 | wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_TERMINATING); | |
3258 | ||
3259 | if (wpa_s->ctrl_iface) { | |
3260 | wpa_supplicant_ctrl_iface_deinit(wpa_s->ctrl_iface); | |
3261 | wpa_s->ctrl_iface = NULL; | |
3262 | } | |
3263 | ||
3264 | if (wpa_s->conf != NULL) { | |
3265 | wpa_config_free(wpa_s->conf); | |
3266 | wpa_s->conf = NULL; | |
3267 | } | |
18e00b5e JM |
3268 | |
3269 | os_free(wpa_s); | |
6fc6879b JM |
3270 | } |
3271 | ||
3272 | ||
3273 | /** | |
3274 | * wpa_supplicant_add_iface - Add a new network interface | |
3275 | * @global: Pointer to global data from wpa_supplicant_init() | |
3276 | * @iface: Interface configuration options | |
3277 | * Returns: Pointer to the created interface or %NULL on failure | |
3278 | * | |
3279 | * This function is used to add new network interfaces for %wpa_supplicant. | |
3280 | * This can be called before wpa_supplicant_run() to add interfaces before the | |
3281 | * main event loop has been started. In addition, new interfaces can be added | |
3282 | * dynamically while %wpa_supplicant is already running. This could happen, | |
3283 | * e.g., when a hotplug network adapter is inserted. | |
3284 | */ | |
3285 | struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global, | |
3286 | struct wpa_interface *iface) | |
3287 | { | |
3288 | struct wpa_supplicant *wpa_s; | |
d27df100 | 3289 | struct wpa_interface t_iface; |
8e56d189 | 3290 | struct wpa_ssid *ssid; |
6fc6879b JM |
3291 | |
3292 | if (global == NULL || iface == NULL) | |
3293 | return NULL; | |
3294 | ||
3295 | wpa_s = wpa_supplicant_alloc(); | |
3296 | if (wpa_s == NULL) | |
3297 | return NULL; | |
3298 | ||
d8222ae3 JM |
3299 | wpa_s->global = global; |
3300 | ||
d27df100 JM |
3301 | t_iface = *iface; |
3302 | if (global->params.override_driver) { | |
3303 | wpa_printf(MSG_DEBUG, "Override interface parameter: driver " | |
3304 | "('%s' -> '%s')", | |
3305 | iface->driver, global->params.override_driver); | |
3306 | t_iface.driver = global->params.override_driver; | |
3307 | } | |
3308 | if (global->params.override_ctrl_interface) { | |
3309 | wpa_printf(MSG_DEBUG, "Override interface parameter: " | |
3310 | "ctrl_interface ('%s' -> '%s')", | |
3311 | iface->ctrl_interface, | |
3312 | global->params.override_ctrl_interface); | |
3313 | t_iface.ctrl_interface = | |
3314 | global->params.override_ctrl_interface; | |
3315 | } | |
3316 | if (wpa_supplicant_init_iface(wpa_s, &t_iface)) { | |
6fc6879b JM |
3317 | wpa_printf(MSG_DEBUG, "Failed to add interface %s", |
3318 | iface->ifname); | |
df509539 | 3319 | wpa_supplicant_deinit_iface(wpa_s, 0, 0); |
6fc6879b JM |
3320 | return NULL; |
3321 | } | |
3322 | ||
dc461de4 WS |
3323 | /* Notify the control interfaces about new iface */ |
3324 | if (wpas_notify_iface_added(wpa_s)) { | |
df509539 | 3325 | wpa_supplicant_deinit_iface(wpa_s, 1, 0); |
6fc6879b JM |
3326 | return NULL; |
3327 | } | |
1bd3f426 | 3328 | |
8e56d189 JM |
3329 | for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) |
3330 | wpas_notify_network_added(wpa_s, ssid); | |
3331 | ||
6fc6879b JM |
3332 | wpa_s->next = global->ifaces; |
3333 | global->ifaces = wpa_s; | |
3334 | ||
f049052b | 3335 | wpa_dbg(wpa_s, MSG_DEBUG, "Added interface %s", wpa_s->ifname); |
99218999 | 3336 | wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); |
6fc6879b JM |
3337 | |
3338 | return wpa_s; | |
3339 | } | |
3340 | ||
3341 | ||
3342 | /** | |
3343 | * wpa_supplicant_remove_iface - Remove a network interface | |
3344 | * @global: Pointer to global data from wpa_supplicant_init() | |
3345 | * @wpa_s: Pointer to the network interface to be removed | |
3346 | * Returns: 0 if interface was removed, -1 if interface was not found | |
3347 | * | |
3348 | * This function can be used to dynamically remove network interfaces from | |
3349 | * %wpa_supplicant, e.g., when a hotplug network adapter is ejected. In | |
3350 | * addition, this function is used to remove all remaining interfaces when | |
3351 | * %wpa_supplicant is terminated. | |
3352 | */ | |
3353 | int wpa_supplicant_remove_iface(struct wpa_global *global, | |
df509539 DS |
3354 | struct wpa_supplicant *wpa_s, |
3355 | int terminate) | |
6fc6879b JM |
3356 | { |
3357 | struct wpa_supplicant *prev; | |
3358 | ||
3359 | /* Remove interface from the global list of interfaces */ | |
3360 | prev = global->ifaces; | |
3361 | if (prev == wpa_s) { | |
3362 | global->ifaces = wpa_s->next; | |
3363 | } else { | |
3364 | while (prev && prev->next != wpa_s) | |
3365 | prev = prev->next; | |
3366 | if (prev == NULL) | |
3367 | return -1; | |
3368 | prev->next = wpa_s->next; | |
3369 | } | |
3370 | ||
f049052b | 3371 | wpa_dbg(wpa_s, MSG_DEBUG, "Removing interface %s", wpa_s->ifname); |
6fc6879b | 3372 | |
b22128ef JM |
3373 | if (global->p2p_group_formation == wpa_s) |
3374 | global->p2p_group_formation = NULL; | |
dbca75f8 JM |
3375 | if (global->p2p_invite_group == wpa_s) |
3376 | global->p2p_invite_group = NULL; | |
df509539 | 3377 | wpa_supplicant_deinit_iface(wpa_s, 1, terminate); |
6fc6879b JM |
3378 | |
3379 | return 0; | |
3380 | } | |
3381 | ||
3382 | ||
cf83fb0b PS |
3383 | /** |
3384 | * wpa_supplicant_get_eap_mode - Get the current EAP mode | |
3385 | * @wpa_s: Pointer to the network interface | |
3386 | * Returns: Pointer to the eap mode or the string "UNKNOWN" if not found | |
3387 | */ | |
3388 | const char * wpa_supplicant_get_eap_mode(struct wpa_supplicant *wpa_s) | |
3389 | { | |
3390 | const char *eapol_method; | |
3391 | ||
3392 | if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) == 0 && | |
3393 | wpa_s->key_mgmt != WPA_KEY_MGMT_IEEE8021X_NO_WPA) { | |
3394 | return "NO-EAP"; | |
3395 | } | |
3396 | ||
3397 | eapol_method = eapol_sm_get_method_name(wpa_s->eapol); | |
3398 | if (eapol_method == NULL) | |
3399 | return "UNKNOWN-EAP"; | |
3400 | ||
3401 | return eapol_method; | |
3402 | } | |
3403 | ||
3404 | ||
6fc6879b JM |
3405 | /** |
3406 | * wpa_supplicant_get_iface - Get a new network interface | |
3407 | * @global: Pointer to global data from wpa_supplicant_init() | |
3408 | * @ifname: Interface name | |
3409 | * Returns: Pointer to the interface or %NULL if not found | |
3410 | */ | |
3411 | struct wpa_supplicant * wpa_supplicant_get_iface(struct wpa_global *global, | |
3412 | const char *ifname) | |
3413 | { | |
3414 | struct wpa_supplicant *wpa_s; | |
3415 | ||
3416 | for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) { | |
3417 | if (os_strcmp(wpa_s->ifname, ifname) == 0) | |
3418 | return wpa_s; | |
3419 | } | |
3420 | return NULL; | |
3421 | } | |
3422 | ||
3423 | ||
50b16da1 | 3424 | #ifndef CONFIG_NO_WPA_MSG |
4f1495ae BG |
3425 | static const char * wpa_supplicant_msg_ifname_cb(void *ctx) |
3426 | { | |
3427 | struct wpa_supplicant *wpa_s = ctx; | |
3428 | if (wpa_s == NULL) | |
3429 | return NULL; | |
3430 | return wpa_s->ifname; | |
3431 | } | |
50b16da1 | 3432 | #endif /* CONFIG_NO_WPA_MSG */ |
4f1495ae BG |
3433 | |
3434 | ||
6fc6879b JM |
3435 | /** |
3436 | * wpa_supplicant_init - Initialize %wpa_supplicant | |
3437 | * @params: Parameters for %wpa_supplicant | |
3438 | * Returns: Pointer to global %wpa_supplicant data, or %NULL on failure | |
3439 | * | |
3440 | * This function is used to initialize %wpa_supplicant. After successful | |
3441 | * initialization, the returned data pointer can be used to add and remove | |
3442 | * network interfaces, and eventually, to deinitialize %wpa_supplicant. | |
3443 | */ | |
3444 | struct wpa_global * wpa_supplicant_init(struct wpa_params *params) | |
3445 | { | |
3446 | struct wpa_global *global; | |
ac305589 | 3447 | int ret, i; |
6fc6879b JM |
3448 | |
3449 | if (params == NULL) | |
3450 | return NULL; | |
3451 | ||
39e7d718 JM |
3452 | #ifdef CONFIG_DRIVER_NDIS |
3453 | { | |
3454 | void driver_ndis_init_ops(void); | |
3455 | driver_ndis_init_ops(); | |
3456 | } | |
3457 | #endif /* CONFIG_DRIVER_NDIS */ | |
3458 | ||
50b16da1 | 3459 | #ifndef CONFIG_NO_WPA_MSG |
4f1495ae | 3460 | wpa_msg_register_ifname_cb(wpa_supplicant_msg_ifname_cb); |
50b16da1 | 3461 | #endif /* CONFIG_NO_WPA_MSG */ |
4f1495ae | 3462 | |
6fc6879b | 3463 | wpa_debug_open_file(params->wpa_debug_file_path); |
daa70d49 SL |
3464 | if (params->wpa_debug_syslog) |
3465 | wpa_debug_open_syslog(); | |
4f68895e JB |
3466 | if (params->wpa_debug_tracing) { |
3467 | ret = wpa_debug_open_linux_tracing(); | |
3468 | if (ret) { | |
3469 | wpa_printf(MSG_ERROR, | |
3470 | "Failed to enable trace logging"); | |
3471 | return NULL; | |
3472 | } | |
3473 | } | |
6fc6879b | 3474 | |
12760815 | 3475 | ret = eap_register_methods(); |
6fc6879b JM |
3476 | if (ret) { |
3477 | wpa_printf(MSG_ERROR, "Failed to register EAP methods"); | |
3478 | if (ret == -2) | |
3479 | wpa_printf(MSG_ERROR, "Two or more EAP methods used " | |
3480 | "the same EAP type."); | |
3481 | return NULL; | |
3482 | } | |
3483 | ||
3484 | global = os_zalloc(sizeof(*global)); | |
3485 | if (global == NULL) | |
3486 | return NULL; | |
b22128ef JM |
3487 | dl_list_init(&global->p2p_srv_bonjour); |
3488 | dl_list_init(&global->p2p_srv_upnp); | |
6fc6879b JM |
3489 | global->params.daemonize = params->daemonize; |
3490 | global->params.wait_for_monitor = params->wait_for_monitor; | |
3491 | global->params.dbus_ctrl_interface = params->dbus_ctrl_interface; | |
3492 | if (params->pid_file) | |
3493 | global->params.pid_file = os_strdup(params->pid_file); | |
3494 | if (params->ctrl_interface) | |
3495 | global->params.ctrl_interface = | |
3496 | os_strdup(params->ctrl_interface); | |
29257565 JM |
3497 | if (params->ctrl_interface_group) |
3498 | global->params.ctrl_interface_group = | |
3499 | os_strdup(params->ctrl_interface_group); | |
d27df100 JM |
3500 | if (params->override_driver) |
3501 | global->params.override_driver = | |
3502 | os_strdup(params->override_driver); | |
3503 | if (params->override_ctrl_interface) | |
3504 | global->params.override_ctrl_interface = | |
3505 | os_strdup(params->override_ctrl_interface); | |
6fc6879b JM |
3506 | wpa_debug_level = global->params.wpa_debug_level = |
3507 | params->wpa_debug_level; | |
3508 | wpa_debug_show_keys = global->params.wpa_debug_show_keys = | |
3509 | params->wpa_debug_show_keys; | |
3510 | wpa_debug_timestamp = global->params.wpa_debug_timestamp = | |
3511 | params->wpa_debug_timestamp; | |
3512 | ||
f19858f5 JM |
3513 | wpa_printf(MSG_DEBUG, "wpa_supplicant v" VERSION_STR); |
3514 | ||
0456ea16 | 3515 | if (eloop_init()) { |
6fc6879b JM |
3516 | wpa_printf(MSG_ERROR, "Failed to initialize event loop"); |
3517 | wpa_supplicant_deinit(global); | |
3518 | return NULL; | |
3519 | } | |
3520 | ||
38e24575 | 3521 | random_init(params->entropy_file); |
d47fa330 | 3522 | |
6fc6879b JM |
3523 | global->ctrl_iface = wpa_supplicant_global_ctrl_iface_init(global); |
3524 | if (global->ctrl_iface == NULL) { | |
3525 | wpa_supplicant_deinit(global); | |
3526 | return NULL; | |
3527 | } | |
3528 | ||
dc461de4 WS |
3529 | if (wpas_notify_supplicant_initialized(global)) { |
3530 | wpa_supplicant_deinit(global); | |
3531 | return NULL; | |
6fc6879b JM |
3532 | } |
3533 | ||
c5121837 | 3534 | for (i = 0; wpa_drivers[i]; i++) |
ac305589 JM |
3535 | global->drv_count++; |
3536 | if (global->drv_count == 0) { | |
3537 | wpa_printf(MSG_ERROR, "No drivers enabled"); | |
3538 | wpa_supplicant_deinit(global); | |
3539 | return NULL; | |
3540 | } | |
3541 | global->drv_priv = os_zalloc(global->drv_count * sizeof(void *)); | |
3542 | if (global->drv_priv == NULL) { | |
3543 | wpa_supplicant_deinit(global); | |
3544 | return NULL; | |
3545 | } | |
ac305589 | 3546 | |
9675ce35 JM |
3547 | #ifdef CONFIG_WIFI_DISPLAY |
3548 | if (wifi_display_init(global) < 0) { | |
3549 | wpa_printf(MSG_ERROR, "Failed to initialize Wi-Fi Display"); | |
3550 | wpa_supplicant_deinit(global); | |
3551 | return NULL; | |
3552 | } | |
3553 | #endif /* CONFIG_WIFI_DISPLAY */ | |
3554 | ||
6fc6879b JM |
3555 | return global; |
3556 | } | |
3557 | ||
3558 | ||
3559 | /** | |
3560 | * wpa_supplicant_run - Run the %wpa_supplicant main event loop | |
3561 | * @global: Pointer to global data from wpa_supplicant_init() | |
3562 | * Returns: 0 after successful event loop run, -1 on failure | |
3563 | * | |
3564 | * This function starts the main event loop and continues running as long as | |
3565 | * there are any remaining events. In most cases, this function is running as | |
3566 | * long as the %wpa_supplicant process in still in use. | |
3567 | */ | |
3568 | int wpa_supplicant_run(struct wpa_global *global) | |
3569 | { | |
3570 | struct wpa_supplicant *wpa_s; | |
3571 | ||
3572 | if (global->params.daemonize && | |
3573 | wpa_supplicant_daemon(global->params.pid_file)) | |
3574 | return -1; | |
3575 | ||
3576 | if (global->params.wait_for_monitor) { | |
3577 | for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) | |
3578 | if (wpa_s->ctrl_iface) | |
3579 | wpa_supplicant_ctrl_iface_wait( | |
3580 | wpa_s->ctrl_iface); | |
3581 | } | |
3582 | ||
0456ea16 JM |
3583 | eloop_register_signal_terminate(wpa_supplicant_terminate, global); |
3584 | eloop_register_signal_reconfig(wpa_supplicant_reconfig, global); | |
6fc6879b JM |
3585 | |
3586 | eloop_run(); | |
3587 | ||
3588 | return 0; | |
3589 | } | |
3590 | ||
3591 | ||
3592 | /** | |
3593 | * wpa_supplicant_deinit - Deinitialize %wpa_supplicant | |
3594 | * @global: Pointer to global data from wpa_supplicant_init() | |
3595 | * | |
3596 | * This function is called to deinitialize %wpa_supplicant and to free all | |
3597 | * allocated resources. Remaining network interfaces will also be removed. | |
3598 | */ | |
3599 | void wpa_supplicant_deinit(struct wpa_global *global) | |
3600 | { | |
ac305589 JM |
3601 | int i; |
3602 | ||
6fc6879b JM |
3603 | if (global == NULL) |
3604 | return; | |
3605 | ||
9675ce35 JM |
3606 | #ifdef CONFIG_WIFI_DISPLAY |
3607 | wifi_display_deinit(global); | |
3608 | #endif /* CONFIG_WIFI_DISPLAY */ | |
b22128ef | 3609 | |
6fc6879b | 3610 | while (global->ifaces) |
df509539 | 3611 | wpa_supplicant_remove_iface(global, global->ifaces, 1); |
6fc6879b JM |
3612 | |
3613 | if (global->ctrl_iface) | |
3614 | wpa_supplicant_global_ctrl_iface_deinit(global->ctrl_iface); | |
dc461de4 WS |
3615 | |
3616 | wpas_notify_supplicant_deinitialized(global); | |
6fc6879b JM |
3617 | |
3618 | eap_peer_unregister_methods(); | |
3ec97afe JM |
3619 | #ifdef CONFIG_AP |
3620 | eap_server_unregister_methods(); | |
3621 | #endif /* CONFIG_AP */ | |
6fc6879b | 3622 | |
c5121837 | 3623 | for (i = 0; wpa_drivers[i] && global->drv_priv; i++) { |
ac305589 JM |
3624 | if (!global->drv_priv[i]) |
3625 | continue; | |
c5121837 | 3626 | wpa_drivers[i]->global_deinit(global->drv_priv[i]); |
ac305589 JM |
3627 | } |
3628 | os_free(global->drv_priv); | |
3629 | ||
d47fa330 JM |
3630 | random_deinit(); |
3631 | ||
6fc6879b JM |
3632 | eloop_destroy(); |
3633 | ||
3634 | if (global->params.pid_file) { | |
3635 | os_daemonize_terminate(global->params.pid_file); | |
3636 | os_free(global->params.pid_file); | |
3637 | } | |
3638 | os_free(global->params.ctrl_interface); | |
29257565 | 3639 | os_free(global->params.ctrl_interface_group); |
d27df100 JM |
3640 | os_free(global->params.override_driver); |
3641 | os_free(global->params.override_ctrl_interface); | |
6fc6879b | 3642 | |
af8a827b | 3643 | os_free(global->p2p_disallow_freq.range); |
01a57fe4 | 3644 | os_free(global->add_psk); |
6f3bc72b | 3645 | |
6fc6879b | 3646 | os_free(global); |
daa70d49 | 3647 | wpa_debug_close_syslog(); |
6fc6879b | 3648 | wpa_debug_close_file(); |
4f68895e | 3649 | wpa_debug_close_linux_tracing(); |
6fc6879b | 3650 | } |
611aea7d JM |
3651 | |
3652 | ||
3653 | void wpa_supplicant_update_config(struct wpa_supplicant *wpa_s) | |
3654 | { | |
849b5dc7 JM |
3655 | if ((wpa_s->conf->changed_parameters & CFG_CHANGED_COUNTRY) && |
3656 | wpa_s->conf->country[0] && wpa_s->conf->country[1]) { | |
3657 | char country[3]; | |
3658 | country[0] = wpa_s->conf->country[0]; | |
3659 | country[1] = wpa_s->conf->country[1]; | |
3660 | country[2] = '\0'; | |
3661 | if (wpa_drv_set_country(wpa_s, country) < 0) { | |
3662 | wpa_printf(MSG_ERROR, "Failed to set country code " | |
3663 | "'%s'", country); | |
3664 | } | |
3665 | } | |
3666 | ||
306ae225 JM |
3667 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_EXT_PW_BACKEND) |
3668 | wpas_init_ext_pw(wpa_s); | |
3669 | ||
611aea7d JM |
3670 | #ifdef CONFIG_WPS |
3671 | wpas_wps_update_config(wpa_s); | |
3672 | #endif /* CONFIG_WPS */ | |
3673 | ||
b22128ef JM |
3674 | #ifdef CONFIG_P2P |
3675 | wpas_p2p_update_config(wpa_s); | |
3676 | #endif /* CONFIG_P2P */ | |
3677 | ||
611aea7d JM |
3678 | wpa_s->conf->changed_parameters = 0; |
3679 | } | |
2f9c6aa6 JM |
3680 | |
3681 | ||
0fb337c1 JM |
3682 | static void add_freq(int *freqs, int *num_freqs, int freq) |
3683 | { | |
3684 | int i; | |
3685 | ||
3686 | for (i = 0; i < *num_freqs; i++) { | |
3687 | if (freqs[i] == freq) | |
3688 | return; | |
3689 | } | |
3690 | ||
3691 | freqs[*num_freqs] = freq; | |
3692 | (*num_freqs)++; | |
3693 | } | |
3694 | ||
3695 | ||
3696 | static int * get_bss_freqs_in_ess(struct wpa_supplicant *wpa_s) | |
3697 | { | |
3698 | struct wpa_bss *bss, *cbss; | |
3699 | const int max_freqs = 10; | |
3700 | int *freqs; | |
3701 | int num_freqs = 0; | |
3702 | ||
3703 | freqs = os_zalloc(sizeof(int) * (max_freqs + 1)); | |
3704 | if (freqs == NULL) | |
3705 | return NULL; | |
3706 | ||
3707 | cbss = wpa_s->current_bss; | |
3708 | ||
3709 | dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { | |
3710 | if (bss == cbss) | |
3711 | continue; | |
3712 | if (bss->ssid_len == cbss->ssid_len && | |
3713 | os_memcmp(bss->ssid, cbss->ssid, bss->ssid_len) == 0 && | |
3714 | wpa_blacklist_get(wpa_s, bss->bssid) == NULL) { | |
3715 | add_freq(freqs, &num_freqs, bss->freq); | |
3716 | if (num_freqs == max_freqs) | |
3717 | break; | |
3718 | } | |
3719 | } | |
3720 | ||
3721 | if (num_freqs == 0) { | |
3722 | os_free(freqs); | |
3723 | freqs = NULL; | |
3724 | } | |
3725 | ||
3726 | return freqs; | |
3727 | } | |
3728 | ||
3729 | ||
3730 | void wpas_connection_failed(struct wpa_supplicant *wpa_s, const u8 *bssid) | |
3731 | { | |
3732 | int timeout; | |
3733 | int count; | |
3734 | int *freqs = NULL; | |
3735 | ||
5fd9fb27 JM |
3736 | /* |
3737 | * Remove possible authentication timeout since the connection failed. | |
3738 | */ | |
3739 | eloop_cancel_timeout(wpa_supplicant_timeout, wpa_s, NULL); | |
3740 | ||
0cdb93fe JM |
3741 | if (wpa_s->disconnected) { |
3742 | /* | |
3743 | * There is no point in blacklisting the AP if this event is | |
3744 | * generated based on local request to disconnect. | |
3745 | */ | |
3746 | wpa_dbg(wpa_s, MSG_DEBUG, "Ignore connection failure " | |
3747 | "indication since interface has been put into " | |
3748 | "disconnected state"); | |
3749 | return; | |
3750 | } | |
3751 | ||
0fb337c1 JM |
3752 | /* |
3753 | * Add the failed BSSID into the blacklist and speed up next scan | |
3754 | * attempt if there could be other APs that could accept association. | |
3755 | * The current blacklist count indicates how many times we have tried | |
3756 | * connecting to this AP and multiple attempts mean that other APs are | |
3757 | * either not available or has already been tried, so that we can start | |
3758 | * increasing the delay here to avoid constant scanning. | |
3759 | */ | |
3760 | count = wpa_blacklist_add(wpa_s, bssid); | |
3761 | if (count == 1 && wpa_s->current_bss) { | |
3762 | /* | |
3763 | * This BSS was not in the blacklist before. If there is | |
3764 | * another BSS available for the same ESS, we should try that | |
3765 | * next. Otherwise, we may as well try this one once more | |
3766 | * before allowing other, likely worse, ESSes to be considered. | |
3767 | */ | |
3768 | freqs = get_bss_freqs_in_ess(wpa_s); | |
3769 | if (freqs) { | |
f049052b BG |
3770 | wpa_dbg(wpa_s, MSG_DEBUG, "Another BSS in this ESS " |
3771 | "has been seen; try it next"); | |
0fb337c1 JM |
3772 | wpa_blacklist_add(wpa_s, bssid); |
3773 | /* | |
3774 | * On the next scan, go through only the known channels | |
3775 | * used in this ESS based on previous scans to speed up | |
3776 | * common load balancing use case. | |
3777 | */ | |
3778 | os_free(wpa_s->next_scan_freqs); | |
3779 | wpa_s->next_scan_freqs = freqs; | |
3780 | } | |
3781 | } | |
3782 | ||
f1a52633 JM |
3783 | /* |
3784 | * Add previous failure count in case the temporary blacklist was | |
3785 | * cleared due to no other BSSes being available. | |
3786 | */ | |
3787 | count += wpa_s->extra_blacklist_count; | |
3788 | ||
dd579704 JM |
3789 | if (count > 3 && wpa_s->current_ssid) { |
3790 | wpa_printf(MSG_DEBUG, "Continuous association failures - " | |
3791 | "consider temporary network disabling"); | |
3792 | wpas_auth_failed(wpa_s); | |
3793 | } | |
3794 | ||
0fb337c1 JM |
3795 | switch (count) { |
3796 | case 1: | |
3797 | timeout = 100; | |
3798 | break; | |
3799 | case 2: | |
3800 | timeout = 500; | |
3801 | break; | |
3802 | case 3: | |
3803 | timeout = 1000; | |
3804 | break; | |
f1a52633 | 3805 | case 4: |
0fb337c1 | 3806 | timeout = 5000; |
f1a52633 JM |
3807 | break; |
3808 | default: | |
3809 | timeout = 10000; | |
3810 | break; | |
0fb337c1 JM |
3811 | } |
3812 | ||
f1a52633 JM |
3813 | wpa_dbg(wpa_s, MSG_DEBUG, "Blacklist count %d --> request scan in %d " |
3814 | "ms", count, timeout); | |
3815 | ||
0fb337c1 JM |
3816 | /* |
3817 | * TODO: if more than one possible AP is available in scan results, | |
3818 | * could try the other ones before requesting a new scan. | |
3819 | */ | |
3820 | wpa_supplicant_req_scan(wpa_s, timeout / 1000, | |
3821 | 1000 * (timeout % 1000)); | |
99fcd404 | 3822 | |
f85f545e | 3823 | wpas_p2p_continue_after_scan(wpa_s); |
0fb337c1 | 3824 | } |
22628eca JM |
3825 | |
3826 | ||
3827 | int wpas_driver_bss_selection(struct wpa_supplicant *wpa_s) | |
3828 | { | |
3829 | return wpa_s->conf->ap_scan == 2 || | |
3830 | (wpa_s->drv_flags & WPA_DRIVER_FLAGS_BSS_SELECTION); | |
3831 | } | |
d2118814 JM |
3832 | |
3833 | ||
3834 | #if defined(CONFIG_CTRL_IFACE) || defined(CONFIG_CTRL_IFACE_DBUS_NEW) | |
3835 | int wpa_supplicant_ctrl_iface_ctrl_rsp_handle(struct wpa_supplicant *wpa_s, | |
3836 | struct wpa_ssid *ssid, | |
3837 | const char *field, | |
3838 | const char *value) | |
3839 | { | |
3840 | #ifdef IEEE8021X_EAPOL | |
3841 | struct eap_peer_config *eap = &ssid->eap; | |
3842 | ||
3843 | wpa_printf(MSG_DEBUG, "CTRL_IFACE: response handle field=%s", field); | |
3844 | wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: response value", | |
3845 | (const u8 *) value, os_strlen(value)); | |
3846 | ||
3847 | switch (wpa_supplicant_ctrl_req_from_string(field)) { | |
3848 | case WPA_CTRL_REQ_EAP_IDENTITY: | |
3849 | os_free(eap->identity); | |
3850 | eap->identity = (u8 *) os_strdup(value); | |
3851 | eap->identity_len = os_strlen(value); | |
3852 | eap->pending_req_identity = 0; | |
3853 | if (ssid == wpa_s->current_ssid) | |
3854 | wpa_s->reassociate = 1; | |
3855 | break; | |
3856 | case WPA_CTRL_REQ_EAP_PASSWORD: | |
3857 | os_free(eap->password); | |
3858 | eap->password = (u8 *) os_strdup(value); | |
3859 | eap->password_len = os_strlen(value); | |
3860 | eap->pending_req_password = 0; | |
3861 | if (ssid == wpa_s->current_ssid) | |
3862 | wpa_s->reassociate = 1; | |
3863 | break; | |
3864 | case WPA_CTRL_REQ_EAP_NEW_PASSWORD: | |
3865 | os_free(eap->new_password); | |
3866 | eap->new_password = (u8 *) os_strdup(value); | |
3867 | eap->new_password_len = os_strlen(value); | |
3868 | eap->pending_req_new_password = 0; | |
3869 | if (ssid == wpa_s->current_ssid) | |
3870 | wpa_s->reassociate = 1; | |
3871 | break; | |
3872 | case WPA_CTRL_REQ_EAP_PIN: | |
3873 | os_free(eap->pin); | |
3874 | eap->pin = os_strdup(value); | |
3875 | eap->pending_req_pin = 0; | |
3876 | if (ssid == wpa_s->current_ssid) | |
3877 | wpa_s->reassociate = 1; | |
3878 | break; | |
3879 | case WPA_CTRL_REQ_EAP_OTP: | |
3880 | os_free(eap->otp); | |
3881 | eap->otp = (u8 *) os_strdup(value); | |
3882 | eap->otp_len = os_strlen(value); | |
3883 | os_free(eap->pending_req_otp); | |
3884 | eap->pending_req_otp = NULL; | |
3885 | eap->pending_req_otp_len = 0; | |
3886 | break; | |
3887 | case WPA_CTRL_REQ_EAP_PASSPHRASE: | |
3888 | os_free(eap->private_key_passwd); | |
3889 | eap->private_key_passwd = (u8 *) os_strdup(value); | |
3890 | eap->pending_req_passphrase = 0; | |
3891 | if (ssid == wpa_s->current_ssid) | |
3892 | wpa_s->reassociate = 1; | |
3893 | break; | |
a5d44ac0 JM |
3894 | case WPA_CTRL_REQ_SIM: |
3895 | os_free(eap->external_sim_resp); | |
3896 | eap->external_sim_resp = os_strdup(value); | |
3897 | break; | |
d2118814 JM |
3898 | default: |
3899 | wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown field '%s'", field); | |
3900 | return -1; | |
3901 | } | |
3902 | ||
3903 | return 0; | |
3904 | #else /* IEEE8021X_EAPOL */ | |
3905 | wpa_printf(MSG_DEBUG, "CTRL_IFACE: IEEE 802.1X not included"); | |
3906 | return -1; | |
3907 | #endif /* IEEE8021X_EAPOL */ | |
3908 | } | |
3909 | #endif /* CONFIG_CTRL_IFACE || CONFIG_CTRL_IFACE_DBUS_NEW */ | |
349493bd JM |
3910 | |
3911 | ||
3912 | int wpas_network_disabled(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid) | |
3913 | { | |
3914 | int i; | |
3915 | unsigned int drv_enc; | |
3916 | ||
3917 | if (ssid == NULL) | |
3918 | return 1; | |
3919 | ||
3920 | if (ssid->disabled) | |
3921 | return 1; | |
3922 | ||
3923 | if (wpa_s && wpa_s->drv_capa_known) | |
3924 | drv_enc = wpa_s->drv_enc; | |
3925 | else | |
3926 | drv_enc = (unsigned int) -1; | |
3927 | ||
3928 | for (i = 0; i < NUM_WEP_KEYS; i++) { | |
3929 | size_t len = ssid->wep_key_len[i]; | |
3930 | if (len == 0) | |
3931 | continue; | |
3932 | if (len == 5 && (drv_enc & WPA_DRIVER_CAPA_ENC_WEP40)) | |
3933 | continue; | |
3934 | if (len == 13 && (drv_enc & WPA_DRIVER_CAPA_ENC_WEP104)) | |
3935 | continue; | |
3936 | if (len == 16 && (drv_enc & WPA_DRIVER_CAPA_ENC_WEP128)) | |
3937 | continue; | |
3938 | return 1; /* invalid WEP key */ | |
3939 | } | |
3940 | ||
9173b16f JM |
3941 | if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt) && !ssid->psk_set && |
3942 | !ssid->ext_psk) | |
2518aad3 JM |
3943 | return 1; |
3944 | ||
349493bd JM |
3945 | return 0; |
3946 | } | |
b9cfc09a JJ |
3947 | |
3948 | ||
3949 | int wpas_is_p2p_prioritized(struct wpa_supplicant *wpa_s) | |
3950 | { | |
3951 | if (wpa_s->global->conc_pref == WPA_CONC_PREF_P2P) | |
3952 | return 1; | |
3953 | if (wpa_s->global->conc_pref == WPA_CONC_PREF_STA) | |
3954 | return 0; | |
3955 | return -1; | |
3956 | } | |
00e5e3d5 JM |
3957 | |
3958 | ||
3959 | void wpas_auth_failed(struct wpa_supplicant *wpa_s) | |
3960 | { | |
3961 | struct wpa_ssid *ssid = wpa_s->current_ssid; | |
3962 | int dur; | |
4e1eae1d | 3963 | struct os_reltime now; |
00e5e3d5 JM |
3964 | |
3965 | if (ssid == NULL) { | |
3966 | wpa_printf(MSG_DEBUG, "Authentication failure but no known " | |
3967 | "SSID block"); | |
3968 | return; | |
3969 | } | |
3970 | ||
3971 | if (ssid->key_mgmt == WPA_KEY_MGMT_WPS) | |
3972 | return; | |
3973 | ||
3974 | ssid->auth_failures++; | |
cbf41ca7 SL |
3975 | |
3976 | #ifdef CONFIG_P2P | |
3977 | if (ssid->p2p_group && | |
3978 | (wpa_s->p2p_in_provisioning || wpa_s->show_group_started)) { | |
3979 | /* | |
3980 | * Skip the wait time since there is a short timeout on the | |
3981 | * connection to a P2P group. | |
3982 | */ | |
3983 | return; | |
3984 | } | |
3985 | #endif /* CONFIG_P2P */ | |
3986 | ||
00e5e3d5 JM |
3987 | if (ssid->auth_failures > 50) |
3988 | dur = 300; | |
3989 | else if (ssid->auth_failures > 20) | |
3990 | dur = 120; | |
3991 | else if (ssid->auth_failures > 10) | |
3992 | dur = 60; | |
3993 | else if (ssid->auth_failures > 5) | |
3994 | dur = 30; | |
3995 | else if (ssid->auth_failures > 1) | |
3996 | dur = 20; | |
3997 | else | |
3998 | dur = 10; | |
3999 | ||
4e1eae1d | 4000 | os_get_reltime(&now); |
00e5e3d5 JM |
4001 | if (now.sec + dur <= ssid->disabled_until.sec) |
4002 | return; | |
4003 | ||
4004 | ssid->disabled_until.sec = now.sec + dur; | |
4005 | ||
4006 | wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_TEMP_DISABLED | |
4007 | "id=%d ssid=\"%s\" auth_failures=%u duration=%d", | |
4008 | ssid->id, wpa_ssid_txt(ssid->ssid, ssid->ssid_len), | |
4009 | ssid->auth_failures, dur); | |
4010 | } | |
4011 | ||
4012 | ||
4013 | void wpas_clear_temp_disabled(struct wpa_supplicant *wpa_s, | |
4014 | struct wpa_ssid *ssid, int clear_failures) | |
4015 | { | |
4016 | if (ssid == NULL) | |
4017 | return; | |
4018 | ||
4019 | if (ssid->disabled_until.sec) { | |
4020 | wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_REENABLED | |
4021 | "id=%d ssid=\"%s\"", | |
4022 | ssid->id, wpa_ssid_txt(ssid->ssid, ssid->ssid_len)); | |
4023 | } | |
4024 | ssid->disabled_until.sec = 0; | |
4025 | ssid->disabled_until.usec = 0; | |
4026 | if (clear_failures) | |
4027 | ssid->auth_failures = 0; | |
4028 | } | |
6407f413 JM |
4029 | |
4030 | ||
4031 | int disallowed_bssid(struct wpa_supplicant *wpa_s, const u8 *bssid) | |
4032 | { | |
4033 | size_t i; | |
4034 | ||
4035 | if (wpa_s->disallow_aps_bssid == NULL) | |
4036 | return 0; | |
4037 | ||
4038 | for (i = 0; i < wpa_s->disallow_aps_bssid_count; i++) { | |
4039 | if (os_memcmp(wpa_s->disallow_aps_bssid + i * ETH_ALEN, | |
4040 | bssid, ETH_ALEN) == 0) | |
4041 | return 1; | |
4042 | } | |
4043 | ||
4044 | return 0; | |
4045 | } | |
4046 | ||
4047 | ||
4048 | int disallowed_ssid(struct wpa_supplicant *wpa_s, const u8 *ssid, | |
4049 | size_t ssid_len) | |
4050 | { | |
4051 | size_t i; | |
4052 | ||
4053 | if (wpa_s->disallow_aps_ssid == NULL || ssid == NULL) | |
4054 | return 0; | |
4055 | ||
4056 | for (i = 0; i < wpa_s->disallow_aps_ssid_count; i++) { | |
4057 | struct wpa_ssid_value *s = &wpa_s->disallow_aps_ssid[i]; | |
4058 | if (ssid_len == s->ssid_len && | |
4059 | os_memcmp(ssid, s->ssid, ssid_len) == 0) | |
4060 | return 1; | |
4061 | } | |
4062 | ||
4063 | return 0; | |
4064 | } | |
9796a86c JM |
4065 | |
4066 | ||
4067 | /** | |
4068 | * wpas_request_connection - Request a new connection | |
4069 | * @wpa_s: Pointer to the network interface | |
4070 | * | |
4071 | * This function is used to request a new connection to be found. It will mark | |
4072 | * the interface to allow reassociation and request a new scan to find a | |
4073 | * suitable network to connect to. | |
4074 | */ | |
4075 | void wpas_request_connection(struct wpa_supplicant *wpa_s) | |
4076 | { | |
4077 | wpa_s->normal_scans = 0; | |
4078 | wpa_supplicant_reinit_autoscan(wpa_s); | |
4079 | wpa_s->extra_blacklist_count = 0; | |
4080 | wpa_s->disconnected = 0; | |
4081 | wpa_s->reassociate = 1; | |
5e24beae MH |
4082 | |
4083 | if (wpa_supplicant_fast_associate(wpa_s) != 1) | |
4084 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
9796a86c | 4085 | } |
36b9883d DG |
4086 | |
4087 | ||
c3775143 KP |
4088 | static int wpas_conn_in_progress(struct wpa_supplicant *wpa_s) |
4089 | { | |
4090 | return wpa_s->wpa_state >= WPA_AUTHENTICATING && | |
4091 | wpa_s->wpa_state != WPA_COMPLETED; | |
4092 | } | |
4093 | ||
4094 | ||
36b9883d DG |
4095 | /** |
4096 | * wpas_wpa_is_in_progress - Check whether a connection is in progress | |
4097 | * @wpa_s: Pointer to wpa_supplicant data | |
c3775143 | 4098 | * @include_current: Whether to consider specified interface |
36b9883d DG |
4099 | * |
4100 | * This function is to check if the wpa state is in beginning of the connection | |
4101 | * during 4-way handshake or group key handshake with WPA on any shared | |
4102 | * interface. | |
4103 | */ | |
c3775143 | 4104 | int wpas_wpa_is_in_progress(struct wpa_supplicant *wpa_s, int include_current) |
36b9883d | 4105 | { |
36b9883d DG |
4106 | struct wpa_supplicant *ifs; |
4107 | ||
1b544ffa JM |
4108 | dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant, |
4109 | radio_list) { | |
c3775143 KP |
4110 | if (!include_current && ifs == wpa_s) |
4111 | continue; | |
36b9883d | 4112 | |
c3775143 | 4113 | if (wpas_conn_in_progress(ifs)) { |
36b9883d | 4114 | wpa_dbg(wpa_s, MSG_DEBUG, "Connection is in progress " |
c3775143 | 4115 | "on interface %s - defer", ifs->ifname); |
36b9883d DG |
4116 | return 1; |
4117 | } | |
4118 | } | |
4119 | ||
4120 | return 0; | |
4121 | } | |
53c5dfc2 IP |
4122 | |
4123 | ||
217cf499 JM |
4124 | void dump_freq_array(struct wpa_supplicant *wpa_s, const char *title, |
4125 | int *freq_array, unsigned int len) | |
4126 | { | |
4127 | unsigned int i; | |
4128 | ||
4129 | wpa_dbg(wpa_s, MSG_DEBUG, "Shared frequencies (len=%u): %s", | |
4130 | len, title); | |
4131 | for (i = 0; i < len; i++) | |
4132 | wpa_dbg(wpa_s, MSG_DEBUG, "freq[%u]: %d", i, freq_array[i]); | |
4133 | } | |
4134 | ||
4135 | ||
53c5dfc2 IP |
4136 | /* |
4137 | * Find the operating frequencies of any of the virtual interfaces that | |
4138 | * are using the same radio as the current interface. | |
4139 | */ | |
4140 | int get_shared_radio_freqs(struct wpa_supplicant *wpa_s, | |
4141 | int *freq_array, unsigned int len) | |
4142 | { | |
53c5dfc2 IP |
4143 | struct wpa_supplicant *ifs; |
4144 | u8 bssid[ETH_ALEN]; | |
4145 | int freq; | |
4146 | unsigned int idx = 0, i; | |
4147 | ||
217cf499 JM |
4148 | wpa_dbg(wpa_s, MSG_DEBUG, |
4149 | "Determining shared radio frequencies (max len %u)", len); | |
53c5dfc2 IP |
4150 | os_memset(freq_array, 0, sizeof(int) * len); |
4151 | ||
4152 | /* First add the frequency of the local interface */ | |
4153 | if (wpa_s->current_ssid != NULL && wpa_s->assoc_freq != 0) { | |
4154 | if (wpa_s->current_ssid->mode == WPAS_MODE_AP || | |
4155 | wpa_s->current_ssid->mode == WPAS_MODE_P2P_GO) | |
4156 | freq_array[idx++] = wpa_s->current_ssid->frequency; | |
4157 | else if (wpa_drv_get_bssid(wpa_s, bssid) == 0) | |
4158 | freq_array[idx++] = wpa_s->assoc_freq; | |
4159 | } | |
4160 | ||
4161 | /* If get_radio_name is not supported, use only the local freq */ | |
a21816a9 JM |
4162 | if (!wpa_s->driver->get_radio_name) { |
4163 | freq = wpa_drv_shared_freq(wpa_s); | |
4164 | if (freq > 0 && idx < len && | |
4165 | (idx == 0 || freq_array[0] != freq)) | |
4166 | freq_array[idx++] = freq; | |
217cf499 | 4167 | dump_freq_array(wpa_s, "No get_radio_name", freq_array, idx); |
53c5dfc2 | 4168 | return idx; |
a21816a9 | 4169 | } |
53c5dfc2 | 4170 | |
0ad3b9c4 JM |
4171 | dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant, |
4172 | radio_list) { | |
4173 | if (wpa_s == ifs) | |
53c5dfc2 IP |
4174 | continue; |
4175 | ||
4176 | if (ifs->current_ssid == NULL || ifs->assoc_freq == 0) | |
4177 | continue; | |
4178 | ||
4179 | if (ifs->current_ssid->mode == WPAS_MODE_AP || | |
4180 | ifs->current_ssid->mode == WPAS_MODE_P2P_GO) | |
4181 | freq = ifs->current_ssid->frequency; | |
4182 | else if (wpa_drv_get_bssid(ifs, bssid) == 0) | |
4183 | freq = ifs->assoc_freq; | |
4184 | else | |
4185 | continue; | |
4186 | ||
4187 | /* Hold only distinct freqs */ | |
4188 | for (i = 0; i < idx; i++) | |
4189 | if (freq_array[i] == freq) | |
4190 | break; | |
4191 | ||
4192 | if (i == idx) | |
4193 | freq_array[idx++] = freq; | |
4194 | } | |
217cf499 JM |
4195 | |
4196 | dump_freq_array(wpa_s, "completed iteration", freq_array, idx); | |
53c5dfc2 IP |
4197 | return idx; |
4198 | } |