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6fc6879b JM |
1 | /* |
2 | * WPA Supplicant | |
b1ae396f | 3 | * Copyright (c) 2003-2014, 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" |
dd10abcc | 54 | #include "wpas_kay.h" |
603a3f34 | 55 | #include "mesh.h" |
6fc6879b JM |
56 | |
57 | const char *wpa_supplicant_version = | |
58 | "wpa_supplicant v" VERSION_STR "\n" | |
b1ae396f | 59 | "Copyright (c) 2003-2014, Jouni Malinen <j@w1.fi> and contributors"; |
6fc6879b JM |
60 | |
61 | const char *wpa_supplicant_license = | |
331f89ff JM |
62 | "This software may be distributed under the terms of the BSD license.\n" |
63 | "See README for more details.\n" | |
6fc6879b JM |
64 | #ifdef EAP_TLS_OPENSSL |
65 | "\nThis product includes software developed by the OpenSSL Project\n" | |
66 | "for use in the OpenSSL Toolkit (http://www.openssl.org/)\n" | |
67 | #endif /* EAP_TLS_OPENSSL */ | |
68 | ; | |
69 | ||
70 | #ifndef CONFIG_NO_STDOUT_DEBUG | |
71 | /* Long text divided into parts in order to fit in C89 strings size limits. */ | |
72 | const char *wpa_supplicant_full_license1 = | |
331f89ff | 73 | ""; |
6fc6879b | 74 | const char *wpa_supplicant_full_license2 = |
331f89ff | 75 | "This software may be distributed under the terms of the BSD license.\n" |
6fc6879b JM |
76 | "\n" |
77 | "Redistribution and use in source and binary forms, with or without\n" | |
78 | "modification, are permitted provided that the following conditions are\n" | |
79 | "met:\n" | |
80 | "\n"; | |
81 | const char *wpa_supplicant_full_license3 = | |
82 | "1. Redistributions of source code must retain the above copyright\n" | |
83 | " notice, this list of conditions and the following disclaimer.\n" | |
84 | "\n" | |
85 | "2. Redistributions in binary form must reproduce the above copyright\n" | |
86 | " notice, this list of conditions and the following disclaimer in the\n" | |
87 | " documentation and/or other materials provided with the distribution.\n" | |
88 | "\n"; | |
89 | const char *wpa_supplicant_full_license4 = | |
90 | "3. Neither the name(s) of the above-listed copyright holder(s) nor the\n" | |
91 | " names of its contributors may be used to endorse or promote products\n" | |
92 | " derived from this software without specific prior written permission.\n" | |
93 | "\n" | |
94 | "THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\n" | |
95 | "\"AS IS\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\n" | |
96 | "LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\n" | |
97 | "A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT\n"; | |
98 | const char *wpa_supplicant_full_license5 = | |
99 | "OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\n" | |
100 | "SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\n" | |
101 | "LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\n" | |
102 | "DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\n" | |
103 | "THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n" | |
104 | "(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\n" | |
105 | "OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n" | |
106 | "\n"; | |
107 | #endif /* CONFIG_NO_STDOUT_DEBUG */ | |
108 | ||
6fc6879b | 109 | /* Configure default/group WEP keys for static WEP */ |
0194fedb | 110 | int wpa_set_wep_keys(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid) |
6fc6879b JM |
111 | { |
112 | int i, set = 0; | |
113 | ||
114 | for (i = 0; i < NUM_WEP_KEYS; i++) { | |
115 | if (ssid->wep_key_len[i] == 0) | |
116 | continue; | |
117 | ||
118 | set = 1; | |
0382097e | 119 | wpa_drv_set_key(wpa_s, WPA_ALG_WEP, NULL, |
da64c266 | 120 | i, i == ssid->wep_tx_keyidx, NULL, 0, |
6fc6879b JM |
121 | ssid->wep_key[i], ssid->wep_key_len[i]); |
122 | } | |
123 | ||
124 | return set; | |
125 | } | |
126 | ||
127 | ||
6ea1f413 JM |
128 | int wpa_supplicant_set_wpa_none_key(struct wpa_supplicant *wpa_s, |
129 | struct wpa_ssid *ssid) | |
6fc6879b JM |
130 | { |
131 | u8 key[32]; | |
132 | size_t keylen; | |
71934751 | 133 | enum wpa_alg alg; |
6fc6879b JM |
134 | u8 seq[6] = { 0 }; |
135 | ||
136 | /* IBSS/WPA-None uses only one key (Group) for both receiving and | |
137 | * sending unicast and multicast packets. */ | |
138 | ||
d7dcba70 | 139 | if (ssid->mode != WPAS_MODE_IBSS) { |
f049052b BG |
140 | wpa_msg(wpa_s, MSG_INFO, "WPA: Invalid mode %d (not " |
141 | "IBSS/ad-hoc) for WPA-None", ssid->mode); | |
6fc6879b JM |
142 | return -1; |
143 | } | |
144 | ||
145 | if (!ssid->psk_set) { | |
f049052b BG |
146 | wpa_msg(wpa_s, MSG_INFO, "WPA: No PSK configured for " |
147 | "WPA-None"); | |
6fc6879b JM |
148 | return -1; |
149 | } | |
150 | ||
151 | switch (wpa_s->group_cipher) { | |
152 | case WPA_CIPHER_CCMP: | |
153 | os_memcpy(key, ssid->psk, 16); | |
154 | keylen = 16; | |
155 | alg = WPA_ALG_CCMP; | |
156 | break; | |
eb7719ff JM |
157 | case WPA_CIPHER_GCMP: |
158 | os_memcpy(key, ssid->psk, 16); | |
159 | keylen = 16; | |
160 | alg = WPA_ALG_GCMP; | |
161 | break; | |
6fc6879b JM |
162 | case WPA_CIPHER_TKIP: |
163 | /* WPA-None uses the same Michael MIC key for both TX and RX */ | |
164 | os_memcpy(key, ssid->psk, 16 + 8); | |
165 | os_memcpy(key + 16 + 8, ssid->psk + 16, 8); | |
166 | keylen = 32; | |
167 | alg = WPA_ALG_TKIP; | |
168 | break; | |
169 | default: | |
f049052b BG |
170 | wpa_msg(wpa_s, MSG_INFO, "WPA: Invalid group cipher %d for " |
171 | "WPA-None", wpa_s->group_cipher); | |
6fc6879b JM |
172 | return -1; |
173 | } | |
174 | ||
175 | /* TODO: should actually remember the previously used seq#, both for TX | |
176 | * and RX from each STA.. */ | |
177 | ||
0382097e | 178 | return wpa_drv_set_key(wpa_s, alg, NULL, 0, 1, seq, 6, key, keylen); |
6fc6879b JM |
179 | } |
180 | ||
181 | ||
182 | static void wpa_supplicant_timeout(void *eloop_ctx, void *timeout_ctx) | |
183 | { | |
184 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
185 | const u8 *bssid = wpa_s->bssid; | |
a8e16edc | 186 | if (is_zero_ether_addr(bssid)) |
6fc6879b JM |
187 | bssid = wpa_s->pending_bssid; |
188 | wpa_msg(wpa_s, MSG_INFO, "Authentication with " MACSTR " timed out.", | |
189 | MAC2STR(bssid)); | |
190 | wpa_blacklist_add(wpa_s, bssid); | |
191 | wpa_sm_notify_disassoc(wpa_s->wpa); | |
07783eaa | 192 | wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING); |
6fc6879b | 193 | wpa_s->reassociate = 1; |
48b84f18 BG |
194 | |
195 | /* | |
196 | * If we timed out, the AP or the local radio may be busy. | |
197 | * So, wait a second until scanning again. | |
198 | */ | |
199 | wpa_supplicant_req_scan(wpa_s, 1, 0); | |
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; |
3f7ac058 JS |
301 | |
302 | #ifdef CONFIG_WPS | |
303 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS) { | |
304 | eapol_conf.wps |= EAPOL_LOCAL_WPS_IN_USE; | |
305 | if (wpa_s->current_bss) { | |
306 | struct wpabuf *ie; | |
307 | ie = wpa_bss_get_vendor_ie_multi(wpa_s->current_bss, | |
308 | WPS_IE_VENDOR_TYPE); | |
309 | if (ie) { | |
310 | if (wps_is_20(ie)) | |
311 | eapol_conf.wps |= | |
312 | EAPOL_PEER_IS_WPS20_AP; | |
313 | wpabuf_free(ie); | |
314 | } | |
315 | } | |
316 | } | |
317 | #endif /* CONFIG_WPS */ | |
318 | ||
6fc6879b | 319 | eapol_sm_notify_config(wpa_s->eapol, &ssid->eap, &eapol_conf); |
dd10abcc HW |
320 | |
321 | ieee802_1x_alloc_kay_sm(wpa_s, ssid); | |
cd3153a9 | 322 | #endif /* IEEE8021X_EAPOL */ |
6fc6879b JM |
323 | } |
324 | ||
325 | ||
326 | /** | |
327 | * wpa_supplicant_set_non_wpa_policy - Set WPA parameters to non-WPA mode | |
328 | * @wpa_s: Pointer to wpa_supplicant data | |
329 | * @ssid: Configuration data for the network | |
330 | * | |
331 | * This function is used to configure WPA state machine and related parameters | |
332 | * to a mode where WPA is not enabled. This is called as part of the | |
333 | * authentication configuration when the selected network does not use WPA. | |
334 | */ | |
335 | void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant *wpa_s, | |
336 | struct wpa_ssid *ssid) | |
337 | { | |
338 | int i; | |
339 | ||
ad08c363 JM |
340 | if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) |
341 | wpa_s->key_mgmt = WPA_KEY_MGMT_WPS; | |
342 | else if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) | |
6fc6879b JM |
343 | wpa_s->key_mgmt = WPA_KEY_MGMT_IEEE8021X_NO_WPA; |
344 | else | |
345 | wpa_s->key_mgmt = WPA_KEY_MGMT_NONE; | |
346 | wpa_sm_set_ap_wpa_ie(wpa_s->wpa, NULL, 0); | |
347 | wpa_sm_set_ap_rsn_ie(wpa_s->wpa, NULL, 0); | |
348 | wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0); | |
349 | wpa_s->pairwise_cipher = WPA_CIPHER_NONE; | |
350 | wpa_s->group_cipher = WPA_CIPHER_NONE; | |
351 | wpa_s->mgmt_group_cipher = 0; | |
352 | ||
353 | for (i = 0; i < NUM_WEP_KEYS; i++) { | |
354 | if (ssid->wep_key_len[i] > 5) { | |
355 | wpa_s->pairwise_cipher = WPA_CIPHER_WEP104; | |
356 | wpa_s->group_cipher = WPA_CIPHER_WEP104; | |
357 | break; | |
358 | } else if (ssid->wep_key_len[i] > 0) { | |
359 | wpa_s->pairwise_cipher = WPA_CIPHER_WEP40; | |
360 | wpa_s->group_cipher = WPA_CIPHER_WEP40; | |
361 | break; | |
362 | } | |
363 | } | |
364 | ||
365 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_RSN_ENABLED, 0); | |
366 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_KEY_MGMT, wpa_s->key_mgmt); | |
367 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_PAIRWISE, | |
368 | wpa_s->pairwise_cipher); | |
369 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_GROUP, wpa_s->group_cipher); | |
370 | #ifdef CONFIG_IEEE80211W | |
371 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_MGMT_GROUP, | |
372 | wpa_s->mgmt_group_cipher); | |
373 | #endif /* CONFIG_IEEE80211W */ | |
374 | ||
375 | pmksa_cache_clear_current(wpa_s->wpa); | |
376 | } | |
377 | ||
378 | ||
6979582c | 379 | void free_hw_features(struct wpa_supplicant *wpa_s) |
6bf731e8 CL |
380 | { |
381 | int i; | |
382 | if (wpa_s->hw.modes == NULL) | |
383 | return; | |
384 | ||
385 | for (i = 0; i < wpa_s->hw.num_modes; i++) { | |
386 | os_free(wpa_s->hw.modes[i].channels); | |
387 | os_free(wpa_s->hw.modes[i].rates); | |
388 | } | |
389 | ||
390 | os_free(wpa_s->hw.modes); | |
391 | wpa_s->hw.modes = NULL; | |
392 | } | |
393 | ||
394 | ||
6fc6879b JM |
395 | static void wpa_supplicant_cleanup(struct wpa_supplicant *wpa_s) |
396 | { | |
86bd36f0 JM |
397 | int i; |
398 | ||
60b94c98 | 399 | bgscan_deinit(wpa_s); |
7c865c68 | 400 | autoscan_deinit(wpa_s); |
6fc6879b JM |
401 | scard_deinit(wpa_s->scard); |
402 | wpa_s->scard = NULL; | |
403 | wpa_sm_set_scard_ctx(wpa_s->wpa, NULL); | |
404 | eapol_sm_register_scard_ctx(wpa_s->eapol, NULL); | |
405 | l2_packet_deinit(wpa_s->l2); | |
406 | wpa_s->l2 = NULL; | |
407 | if (wpa_s->l2_br) { | |
408 | l2_packet_deinit(wpa_s->l2_br); | |
409 | wpa_s->l2_br = NULL; | |
410 | } | |
4a6cc862 JM |
411 | #ifdef CONFIG_TESTING_OPTIONS |
412 | l2_packet_deinit(wpa_s->l2_test); | |
413 | wpa_s->l2_test = NULL; | |
414 | #endif /* CONFIG_TESTING_OPTIONS */ | |
6fc6879b | 415 | |
6fc6879b | 416 | if (wpa_s->conf != NULL) { |
8e56d189 JM |
417 | struct wpa_ssid *ssid; |
418 | for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) | |
419 | wpas_notify_network_removed(wpa_s, ssid); | |
6fc6879b JM |
420 | } |
421 | ||
422 | os_free(wpa_s->confname); | |
423 | wpa_s->confname = NULL; | |
424 | ||
e6304cad DS |
425 | os_free(wpa_s->confanother); |
426 | wpa_s->confanother = NULL; | |
427 | ||
6fc6879b JM |
428 | wpa_sm_set_eapol(wpa_s->wpa, NULL); |
429 | eapol_sm_deinit(wpa_s->eapol); | |
430 | wpa_s->eapol = NULL; | |
431 | ||
432 | rsn_preauth_deinit(wpa_s->wpa); | |
433 | ||
281ff0aa GP |
434 | #ifdef CONFIG_TDLS |
435 | wpa_tdls_deinit(wpa_s->wpa); | |
436 | #endif /* CONFIG_TDLS */ | |
437 | ||
6fc6879b JM |
438 | pmksa_candidate_free(wpa_s->wpa); |
439 | wpa_sm_deinit(wpa_s->wpa); | |
440 | wpa_s->wpa = NULL; | |
441 | wpa_blacklist_clear(wpa_s); | |
442 | ||
83922c2d | 443 | wpa_bss_deinit(wpa_s); |
6fc6879b | 444 | |
831770bf | 445 | wpa_supplicant_cancel_delayed_sched_scan(wpa_s); |
6fc6879b JM |
446 | wpa_supplicant_cancel_scan(wpa_s); |
447 | wpa_supplicant_cancel_auth_timeout(wpa_s); | |
01a17491 JM |
448 | eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL); |
449 | #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT | |
450 | eloop_cancel_timeout(wpa_supplicant_delayed_mic_error_report, | |
451 | wpa_s, NULL); | |
452 | #endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */ | |
6fc6879b | 453 | |
116654ce | 454 | wpas_wps_deinit(wpa_s); |
11ef8d35 | 455 | |
1ff73338 JM |
456 | wpabuf_free(wpa_s->pending_eapol_rx); |
457 | wpa_s->pending_eapol_rx = NULL; | |
458 | ||
11ef8d35 JM |
459 | #ifdef CONFIG_IBSS_RSN |
460 | ibss_rsn_deinit(wpa_s->ibss_rsn); | |
461 | wpa_s->ibss_rsn = NULL; | |
462 | #endif /* CONFIG_IBSS_RSN */ | |
c2a04078 | 463 | |
e29853bb | 464 | sme_deinit(wpa_s); |
2d5b792d JM |
465 | |
466 | #ifdef CONFIG_AP | |
467 | wpa_supplicant_ap_deinit(wpa_s); | |
468 | #endif /* CONFIG_AP */ | |
b22128ef | 469 | |
b22128ef | 470 | wpas_p2p_deinit(wpa_s); |
f47d639d | 471 | |
24f6497c JM |
472 | #ifdef CONFIG_OFFCHANNEL |
473 | offchannel_deinit(wpa_s); | |
474 | #endif /* CONFIG_OFFCHANNEL */ | |
475 | ||
a4cba8f1 LC |
476 | wpa_supplicant_cancel_sched_scan(wpa_s); |
477 | ||
f47d639d JM |
478 | os_free(wpa_s->next_scan_freqs); |
479 | wpa_s->next_scan_freqs = NULL; | |
fee52342 JM |
480 | |
481 | os_free(wpa_s->manual_scan_freqs); | |
482 | wpa_s->manual_scan_freqs = NULL; | |
04ea7b79 | 483 | |
d3c9c35f DS |
484 | os_free(wpa_s->manual_sched_scan_freqs); |
485 | wpa_s->manual_sched_scan_freqs = NULL; | |
486 | ||
04ea7b79 JM |
487 | gas_query_deinit(wpa_s->gas); |
488 | wpa_s->gas = NULL; | |
6bf731e8 CL |
489 | |
490 | free_hw_features(wpa_s); | |
d445a5cd | 491 | |
dd10abcc HW |
492 | ieee802_1x_dealloc_kay_sm(wpa_s); |
493 | ||
d445a5cd JM |
494 | os_free(wpa_s->bssid_filter); |
495 | wpa_s->bssid_filter = NULL; | |
b6668734 | 496 | |
6407f413 JM |
497 | os_free(wpa_s->disallow_aps_bssid); |
498 | wpa_s->disallow_aps_bssid = NULL; | |
499 | os_free(wpa_s->disallow_aps_ssid); | |
500 | wpa_s->disallow_aps_ssid = NULL; | |
501 | ||
b6668734 | 502 | wnm_bss_keep_alive_deinit(wpa_s); |
e27d20bb VK |
503 | #ifdef CONFIG_WNM |
504 | wnm_deallocate_memory(wpa_s); | |
505 | #endif /* CONFIG_WNM */ | |
306ae225 JM |
506 | |
507 | ext_password_deinit(wpa_s->ext_pw); | |
508 | wpa_s->ext_pw = NULL; | |
b1f12296 JM |
509 | |
510 | wpabuf_free(wpa_s->last_gas_resp); | |
b6a9590b JM |
511 | wpa_s->last_gas_resp = NULL; |
512 | wpabuf_free(wpa_s->prev_gas_resp); | |
513 | wpa_s->prev_gas_resp = NULL; | |
a297201d JM |
514 | |
515 | os_free(wpa_s->last_scan_res); | |
516 | wpa_s->last_scan_res = NULL; | |
b572df86 JM |
517 | |
518 | #ifdef CONFIG_HS20 | |
fb2ac53d | 519 | hs20_deinit(wpa_s); |
b572df86 | 520 | #endif /* CONFIG_HS20 */ |
86bd36f0 JM |
521 | |
522 | for (i = 0; i < NUM_VENDOR_ELEM_FRAMES; i++) { | |
523 | wpabuf_free(wpa_s->vendor_elem[i]); | |
524 | wpa_s->vendor_elem[i] = NULL; | |
525 | } | |
6fc6879b JM |
526 | } |
527 | ||
528 | ||
529 | /** | |
530 | * wpa_clear_keys - Clear keys configured for the driver | |
531 | * @wpa_s: Pointer to wpa_supplicant data | |
532 | * @addr: Previously used BSSID or %NULL if not available | |
533 | * | |
534 | * This function clears the encryption keys that has been previously configured | |
535 | * for the driver. | |
536 | */ | |
537 | void wpa_clear_keys(struct wpa_supplicant *wpa_s, const u8 *addr) | |
538 | { | |
2f30cac3 | 539 | int i, max; |
6fc6879b | 540 | |
0e27f655 | 541 | #ifdef CONFIG_IEEE80211W |
2f30cac3 JM |
542 | max = 6; |
543 | #else /* CONFIG_IEEE80211W */ | |
544 | max = 4; | |
0e27f655 | 545 | #endif /* CONFIG_IEEE80211W */ |
2f30cac3 JM |
546 | |
547 | /* MLME-DELETEKEYS.request */ | |
548 | for (i = 0; i < max; i++) { | |
549 | if (wpa_s->keys_cleared & BIT(i)) | |
550 | continue; | |
551 | wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, i, 0, NULL, 0, | |
552 | NULL, 0); | |
553 | } | |
554 | if (!(wpa_s->keys_cleared & BIT(0)) && addr && | |
555 | !is_zero_ether_addr(addr)) { | |
6fc6879b JM |
556 | wpa_drv_set_key(wpa_s, WPA_ALG_NONE, addr, 0, 0, NULL, 0, NULL, |
557 | 0); | |
558 | /* MLME-SETPROTECTION.request(None) */ | |
559 | wpa_drv_mlme_setprotection( | |
560 | wpa_s, addr, | |
561 | MLME_SETPROTECTION_PROTECT_TYPE_NONE, | |
562 | MLME_SETPROTECTION_KEY_TYPE_PAIRWISE); | |
563 | } | |
2f30cac3 | 564 | wpa_s->keys_cleared = (u32) -1; |
6fc6879b JM |
565 | } |
566 | ||
567 | ||
568 | /** | |
569 | * wpa_supplicant_state_txt - Get the connection state name as a text string | |
570 | * @state: State (wpa_state; WPA_*) | |
571 | * Returns: The state name as a printable text string | |
572 | */ | |
71934751 | 573 | const char * wpa_supplicant_state_txt(enum wpa_states state) |
6fc6879b JM |
574 | { |
575 | switch (state) { | |
576 | case WPA_DISCONNECTED: | |
577 | return "DISCONNECTED"; | |
578 | case WPA_INACTIVE: | |
579 | return "INACTIVE"; | |
8401a6b0 JM |
580 | case WPA_INTERFACE_DISABLED: |
581 | return "INTERFACE_DISABLED"; | |
6fc6879b JM |
582 | case WPA_SCANNING: |
583 | return "SCANNING"; | |
c2a04078 JM |
584 | case WPA_AUTHENTICATING: |
585 | return "AUTHENTICATING"; | |
6fc6879b JM |
586 | case WPA_ASSOCIATING: |
587 | return "ASSOCIATING"; | |
588 | case WPA_ASSOCIATED: | |
589 | return "ASSOCIATED"; | |
590 | case WPA_4WAY_HANDSHAKE: | |
591 | return "4WAY_HANDSHAKE"; | |
592 | case WPA_GROUP_HANDSHAKE: | |
593 | return "GROUP_HANDSHAKE"; | |
594 | case WPA_COMPLETED: | |
595 | return "COMPLETED"; | |
596 | default: | |
597 | return "UNKNOWN"; | |
598 | } | |
599 | } | |
600 | ||
601 | ||
cfe53c9a PS |
602 | #ifdef CONFIG_BGSCAN |
603 | ||
604 | static void wpa_supplicant_start_bgscan(struct wpa_supplicant *wpa_s) | |
605 | { | |
31392709 HD |
606 | const char *name; |
607 | ||
608 | if (wpa_s->current_ssid && wpa_s->current_ssid->bgscan) | |
609 | name = wpa_s->current_ssid->bgscan; | |
610 | else | |
611 | name = wpa_s->conf->bgscan; | |
268043d5 | 612 | if (name == NULL || name[0] == '\0') |
31392709 | 613 | return; |
0096c427 JM |
614 | if (wpas_driver_bss_selection(wpa_s)) |
615 | return; | |
cfe53c9a PS |
616 | if (wpa_s->current_ssid == wpa_s->bgscan_ssid) |
617 | return; | |
aa109830 DS |
618 | #ifdef CONFIG_P2P |
619 | if (wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE) | |
620 | return; | |
621 | #endif /* CONFIG_P2P */ | |
cfe53c9a PS |
622 | |
623 | bgscan_deinit(wpa_s); | |
31392709 HD |
624 | if (wpa_s->current_ssid) { |
625 | if (bgscan_init(wpa_s, wpa_s->current_ssid, name)) { | |
cfe53c9a PS |
626 | wpa_dbg(wpa_s, MSG_DEBUG, "Failed to initialize " |
627 | "bgscan"); | |
628 | /* | |
629 | * Live without bgscan; it is only used as a roaming | |
630 | * optimization, so the initial connection is not | |
631 | * affected. | |
632 | */ | |
6409b7a7 YD |
633 | } else { |
634 | struct wpa_scan_results *scan_res; | |
cfe53c9a | 635 | wpa_s->bgscan_ssid = wpa_s->current_ssid; |
6409b7a7 YD |
636 | scan_res = wpa_supplicant_get_scan_results(wpa_s, NULL, |
637 | 0); | |
638 | if (scan_res) { | |
639 | bgscan_notify_scan(wpa_s, scan_res); | |
640 | wpa_scan_results_free(scan_res); | |
641 | } | |
642 | } | |
cfe53c9a PS |
643 | } else |
644 | wpa_s->bgscan_ssid = NULL; | |
645 | } | |
646 | ||
647 | ||
648 | static void wpa_supplicant_stop_bgscan(struct wpa_supplicant *wpa_s) | |
649 | { | |
650 | if (wpa_s->bgscan_ssid != NULL) { | |
651 | bgscan_deinit(wpa_s); | |
652 | wpa_s->bgscan_ssid = NULL; | |
653 | } | |
654 | } | |
655 | ||
656 | #endif /* CONFIG_BGSCAN */ | |
657 | ||
658 | ||
7c865c68 TB |
659 | static void wpa_supplicant_start_autoscan(struct wpa_supplicant *wpa_s) |
660 | { | |
99218999 | 661 | if (autoscan_init(wpa_s, 0)) |
7c865c68 TB |
662 | wpa_dbg(wpa_s, MSG_DEBUG, "Failed to initialize autoscan"); |
663 | } | |
664 | ||
665 | ||
666 | static void wpa_supplicant_stop_autoscan(struct wpa_supplicant *wpa_s) | |
667 | { | |
668 | autoscan_deinit(wpa_s); | |
669 | } | |
670 | ||
671 | ||
c3d12238 JM |
672 | void wpa_supplicant_reinit_autoscan(struct wpa_supplicant *wpa_s) |
673 | { | |
674 | if (wpa_s->wpa_state == WPA_DISCONNECTED || | |
675 | wpa_s->wpa_state == WPA_SCANNING) { | |
676 | autoscan_deinit(wpa_s); | |
677 | wpa_supplicant_start_autoscan(wpa_s); | |
678 | } | |
679 | } | |
680 | ||
681 | ||
6fc6879b JM |
682 | /** |
683 | * wpa_supplicant_set_state - Set current connection state | |
684 | * @wpa_s: Pointer to wpa_supplicant data | |
685 | * @state: The new connection state | |
686 | * | |
687 | * This function is called whenever the connection state changes, e.g., | |
688 | * association is completed for WPA/WPA2 4-Way Handshake is started. | |
689 | */ | |
71934751 JM |
690 | void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s, |
691 | enum wpa_states state) | |
6fc6879b | 692 | { |
27f43d8d MH |
693 | enum wpa_states old_state = wpa_s->wpa_state; |
694 | ||
f049052b BG |
695 | wpa_dbg(wpa_s, MSG_DEBUG, "State: %s -> %s", |
696 | wpa_supplicant_state_txt(wpa_s->wpa_state), | |
697 | wpa_supplicant_state_txt(state)); | |
6fc6879b | 698 | |
5ddd07cb AS |
699 | if (state == WPA_INTERFACE_DISABLED) { |
700 | /* Assure normal scan when interface is restored */ | |
701 | wpa_s->normal_scans = 0; | |
702 | } | |
703 | ||
0cf24fda | 704 | if (state == WPA_COMPLETED) { |
6ac4b15e | 705 | wpas_connect_work_done(wpa_s); |
0cf24fda LC |
706 | /* Reinitialize normal_scan counter */ |
707 | wpa_s->normal_scans = 0; | |
708 | } | |
6ac4b15e | 709 | |
cb8564b1 DW |
710 | if (state != WPA_SCANNING) |
711 | wpa_supplicant_notify_scanning(wpa_s, 0); | |
712 | ||
6fc6879b | 713 | if (state == WPA_COMPLETED && wpa_s->new_connection) { |
6fc6879b | 714 | struct wpa_ssid *ssid = wpa_s->current_ssid; |
7d37a357 | 715 | #if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG) |
6fc6879b | 716 | wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED "- Connection to " |
1cfc6787 JM |
717 | MACSTR " completed [id=%d id_str=%s]", |
718 | MAC2STR(wpa_s->bssid), | |
6fc6879b JM |
719 | ssid ? ssid->id : -1, |
720 | ssid && ssid->id_str ? ssid->id_str : ""); | |
721 | #endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */ | |
00e5e3d5 | 722 | wpas_clear_temp_disabled(wpa_s, ssid, 1); |
f1a52633 | 723 | wpa_s->extra_blacklist_count = 0; |
6fc6879b | 724 | wpa_s->new_connection = 0; |
6fc6879b | 725 | wpa_drv_set_operstate(wpa_s, 1); |
99ac2913 FF |
726 | #ifndef IEEE8021X_EAPOL |
727 | wpa_drv_set_supp_port(wpa_s, 1); | |
728 | #endif /* IEEE8021X_EAPOL */ | |
17a4734d | 729 | wpa_s->after_wps = 0; |
4d9fb08d | 730 | wpa_s->known_wps_freq = 0; |
b22128ef | 731 | wpas_p2p_completed(wpa_s); |
c3701c66 RM |
732 | |
733 | sme_sched_obss_scan(wpa_s, 1); | |
6fc6879b JM |
734 | } else if (state == WPA_DISCONNECTED || state == WPA_ASSOCIATING || |
735 | state == WPA_ASSOCIATED) { | |
736 | wpa_s->new_connection = 1; | |
737 | wpa_drv_set_operstate(wpa_s, 0); | |
99ac2913 FF |
738 | #ifndef IEEE8021X_EAPOL |
739 | wpa_drv_set_supp_port(wpa_s, 0); | |
740 | #endif /* IEEE8021X_EAPOL */ | |
c3701c66 | 741 | sme_sched_obss_scan(wpa_s, 0); |
6fc6879b JM |
742 | } |
743 | wpa_s->wpa_state = state; | |
27f43d8d | 744 | |
cfe53c9a PS |
745 | #ifdef CONFIG_BGSCAN |
746 | if (state == WPA_COMPLETED) | |
747 | wpa_supplicant_start_bgscan(wpa_s); | |
37271232 | 748 | else if (state < WPA_ASSOCIATED) |
cfe53c9a PS |
749 | wpa_supplicant_stop_bgscan(wpa_s); |
750 | #endif /* CONFIG_BGSCAN */ | |
751 | ||
7c865c68 TB |
752 | if (state == WPA_AUTHENTICATING) |
753 | wpa_supplicant_stop_autoscan(wpa_s); | |
754 | ||
755 | if (state == WPA_DISCONNECTED || state == WPA_INACTIVE) | |
756 | wpa_supplicant_start_autoscan(wpa_s); | |
757 | ||
5bbf9f10 | 758 | if (wpa_s->wpa_state != old_state) { |
27f43d8d | 759 | wpas_notify_state_changed(wpa_s, wpa_s->wpa_state, old_state); |
5bbf9f10 | 760 | |
e3bd6e9d IP |
761 | /* |
762 | * Notify the P2P Device interface about a state change in one | |
763 | * of the interfaces. | |
764 | */ | |
765 | wpas_p2p_indicate_state_change(wpa_s); | |
e3bd6e9d | 766 | |
5bbf9f10 PS |
767 | if (wpa_s->wpa_state == WPA_COMPLETED || |
768 | old_state == WPA_COMPLETED) | |
769 | wpas_notify_auth_changed(wpa_s); | |
770 | } | |
6fc6879b JM |
771 | } |
772 | ||
773 | ||
1a1bf008 JM |
774 | void wpa_supplicant_terminate_proc(struct wpa_global *global) |
775 | { | |
776 | int pending = 0; | |
777 | #ifdef CONFIG_WPS | |
778 | struct wpa_supplicant *wpa_s = global->ifaces; | |
779 | while (wpa_s) { | |
ab41595f | 780 | struct wpa_supplicant *next = wpa_s->next; |
5516ed32 EA |
781 | if (wpas_wps_terminate_pending(wpa_s) == 1) |
782 | pending = 1; | |
20625e97 JM |
783 | #ifdef CONFIG_P2P |
784 | if (wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE || | |
785 | (wpa_s->current_ssid && wpa_s->current_ssid->p2p_group)) | |
786 | wpas_p2p_disconnect(wpa_s); | |
787 | #endif /* CONFIG_P2P */ | |
ab41595f | 788 | wpa_s = next; |
1a1bf008 JM |
789 | } |
790 | #endif /* CONFIG_WPS */ | |
791 | if (pending) | |
792 | return; | |
793 | eloop_terminate(); | |
794 | } | |
795 | ||
796 | ||
0456ea16 | 797 | static void wpa_supplicant_terminate(int sig, void *signal_ctx) |
6fc6879b | 798 | { |
0456ea16 | 799 | struct wpa_global *global = signal_ctx; |
1a1bf008 | 800 | wpa_supplicant_terminate_proc(global); |
6fc6879b JM |
801 | } |
802 | ||
803 | ||
b22128ef | 804 | void wpa_supplicant_clear_status(struct wpa_supplicant *wpa_s) |
6fc6879b | 805 | { |
71934751 | 806 | enum wpa_states old_state = wpa_s->wpa_state; |
27f43d8d | 807 | |
6fc6879b JM |
808 | wpa_s->pairwise_cipher = 0; |
809 | wpa_s->group_cipher = 0; | |
810 | wpa_s->mgmt_group_cipher = 0; | |
811 | wpa_s->key_mgmt = 0; | |
8401a6b0 | 812 | if (wpa_s->wpa_state != WPA_INTERFACE_DISABLED) |
99218999 | 813 | wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); |
27f43d8d MH |
814 | |
815 | if (wpa_s->wpa_state != old_state) | |
816 | wpas_notify_state_changed(wpa_s, wpa_s->wpa_state, old_state); | |
6fc6879b JM |
817 | } |
818 | ||
819 | ||
820 | /** | |
821 | * wpa_supplicant_reload_configuration - Reload configuration data | |
822 | * @wpa_s: Pointer to wpa_supplicant data | |
823 | * Returns: 0 on success or -1 if configuration parsing failed | |
824 | * | |
825 | * This function can be used to request that the configuration data is reloaded | |
826 | * (e.g., after configuration file change). This function is reloading | |
827 | * configuration only for one interface, so this may need to be called multiple | |
828 | * times if %wpa_supplicant is controlling multiple interfaces and all | |
829 | * interfaces need reconfiguration. | |
830 | */ | |
831 | int wpa_supplicant_reload_configuration(struct wpa_supplicant *wpa_s) | |
832 | { | |
833 | struct wpa_config *conf; | |
834 | int reconf_ctrl; | |
8bac466b JM |
835 | int old_ap_scan; |
836 | ||
6fc6879b JM |
837 | if (wpa_s->confname == NULL) |
838 | return -1; | |
e6304cad | 839 | conf = wpa_config_read(wpa_s->confname, NULL); |
6fc6879b JM |
840 | if (conf == NULL) { |
841 | wpa_msg(wpa_s, MSG_ERROR, "Failed to parse the configuration " | |
842 | "file '%s' - exiting", wpa_s->confname); | |
843 | return -1; | |
844 | } | |
e6304cad DS |
845 | wpa_config_read(wpa_s->confanother, conf); |
846 | ||
611aea7d | 847 | conf->changed_parameters = (unsigned int) -1; |
6fc6879b JM |
848 | |
849 | reconf_ctrl = !!conf->ctrl_interface != !!wpa_s->conf->ctrl_interface | |
850 | || (conf->ctrl_interface && wpa_s->conf->ctrl_interface && | |
851 | os_strcmp(conf->ctrl_interface, | |
852 | wpa_s->conf->ctrl_interface) != 0); | |
853 | ||
854 | if (reconf_ctrl && wpa_s->ctrl_iface) { | |
855 | wpa_supplicant_ctrl_iface_deinit(wpa_s->ctrl_iface); | |
856 | wpa_s->ctrl_iface = NULL; | |
857 | } | |
858 | ||
859 | eapol_sm_invalidate_cached_session(wpa_s->eapol); | |
7b7ce8aa JM |
860 | if (wpa_s->current_ssid) { |
861 | wpa_supplicant_deauthenticate(wpa_s, | |
862 | WLAN_REASON_DEAUTH_LEAVING); | |
863 | } | |
8bac466b | 864 | |
6fc6879b JM |
865 | /* |
866 | * TODO: should notify EAPOL SM about changes in opensc_engine_path, | |
07e2de31 | 867 | * pkcs11_engine_path, pkcs11_module_path, openssl_ciphers. |
6fc6879b | 868 | */ |
56586197 | 869 | if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) { |
6fc6879b JM |
870 | /* |
871 | * Clear forced success to clear EAP state for next | |
872 | * authentication. | |
873 | */ | |
874 | eapol_sm_notify_eap_success(wpa_s->eapol, FALSE); | |
875 | } | |
876 | eapol_sm_notify_config(wpa_s->eapol, NULL, NULL); | |
877 | wpa_sm_set_config(wpa_s->wpa, NULL); | |
d8a790b9 | 878 | wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL); |
6fc6879b JM |
879 | wpa_sm_set_fast_reauth(wpa_s->wpa, wpa_s->conf->fast_reauth); |
880 | rsn_preauth_deinit(wpa_s->wpa); | |
8bac466b JM |
881 | |
882 | old_ap_scan = wpa_s->conf->ap_scan; | |
6fc6879b JM |
883 | wpa_config_free(wpa_s->conf); |
884 | wpa_s->conf = conf; | |
8bac466b JM |
885 | if (old_ap_scan != wpa_s->conf->ap_scan) |
886 | wpas_notify_ap_scan_changed(wpa_s); | |
887 | ||
6fc6879b JM |
888 | if (reconf_ctrl) |
889 | wpa_s->ctrl_iface = wpa_supplicant_ctrl_iface_init(wpa_s); | |
890 | ||
611aea7d JM |
891 | wpa_supplicant_update_config(wpa_s); |
892 | ||
6fc6879b | 893 | wpa_supplicant_clear_status(wpa_s); |
349493bd | 894 | if (wpa_supplicant_enabled_networks(wpa_s)) { |
43a38635 JM |
895 | wpa_s->reassociate = 1; |
896 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
897 | } | |
f049052b | 898 | wpa_dbg(wpa_s, MSG_DEBUG, "Reconfiguration completed"); |
6fc6879b JM |
899 | return 0; |
900 | } | |
901 | ||
902 | ||
0456ea16 | 903 | static void wpa_supplicant_reconfig(int sig, void *signal_ctx) |
6fc6879b | 904 | { |
0456ea16 | 905 | struct wpa_global *global = signal_ctx; |
6fc6879b | 906 | struct wpa_supplicant *wpa_s; |
6fc6879b | 907 | for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) { |
f049052b BG |
908 | wpa_dbg(wpa_s, MSG_DEBUG, "Signal %d received - reconfiguring", |
909 | sig); | |
6fc6879b | 910 | if (wpa_supplicant_reload_configuration(wpa_s) < 0) { |
1a1bf008 | 911 | wpa_supplicant_terminate_proc(global); |
6fc6879b JM |
912 | } |
913 | } | |
914 | } | |
915 | ||
916 | ||
6fc6879b JM |
917 | static int wpa_supplicant_suites_from_ai(struct wpa_supplicant *wpa_s, |
918 | struct wpa_ssid *ssid, | |
919 | struct wpa_ie_data *ie) | |
920 | { | |
921 | int ret = wpa_sm_parse_own_wpa_ie(wpa_s->wpa, ie); | |
922 | if (ret) { | |
923 | if (ret == -2) { | |
924 | wpa_msg(wpa_s, MSG_INFO, "WPA: Failed to parse WPA IE " | |
925 | "from association info"); | |
926 | } | |
927 | return -1; | |
928 | } | |
929 | ||
f049052b BG |
930 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Using WPA IE from AssocReq to set " |
931 | "cipher suites"); | |
6fc6879b JM |
932 | if (!(ie->group_cipher & ssid->group_cipher)) { |
933 | wpa_msg(wpa_s, MSG_INFO, "WPA: Driver used disabled group " | |
934 | "cipher 0x%x (mask 0x%x) - reject", | |
935 | ie->group_cipher, ssid->group_cipher); | |
936 | return -1; | |
937 | } | |
938 | if (!(ie->pairwise_cipher & ssid->pairwise_cipher)) { | |
939 | wpa_msg(wpa_s, MSG_INFO, "WPA: Driver used disabled pairwise " | |
940 | "cipher 0x%x (mask 0x%x) - reject", | |
941 | ie->pairwise_cipher, ssid->pairwise_cipher); | |
942 | return -1; | |
943 | } | |
944 | if (!(ie->key_mgmt & ssid->key_mgmt)) { | |
945 | wpa_msg(wpa_s, MSG_INFO, "WPA: Driver used disabled key " | |
946 | "management 0x%x (mask 0x%x) - reject", | |
947 | ie->key_mgmt, ssid->key_mgmt); | |
948 | return -1; | |
949 | } | |
950 | ||
951 | #ifdef CONFIG_IEEE80211W | |
0b60b0aa | 952 | if (!(ie->capabilities & WPA_CAPABILITY_MFPC) && |
62d49803 JM |
953 | (ssid->ieee80211w == MGMT_FRAME_PROTECTION_DEFAULT ? |
954 | wpa_s->conf->pmf : ssid->ieee80211w) == | |
955 | MGMT_FRAME_PROTECTION_REQUIRED) { | |
6fc6879b JM |
956 | wpa_msg(wpa_s, MSG_INFO, "WPA: Driver associated with an AP " |
957 | "that does not support management frame protection - " | |
958 | "reject"); | |
959 | return -1; | |
960 | } | |
961 | #endif /* CONFIG_IEEE80211W */ | |
962 | ||
963 | return 0; | |
964 | } | |
965 | ||
966 | ||
967 | /** | |
968 | * wpa_supplicant_set_suites - Set authentication and encryption parameters | |
969 | * @wpa_s: Pointer to wpa_supplicant data | |
970 | * @bss: Scan results for the selected BSS, or %NULL if not available | |
971 | * @ssid: Configuration data for the selected network | |
972 | * @wpa_ie: Buffer for the WPA/RSN IE | |
973 | * @wpa_ie_len: Maximum wpa_ie buffer size on input. This is changed to be the | |
974 | * used buffer length in case the functions returns success. | |
975 | * Returns: 0 on success or -1 on failure | |
976 | * | |
977 | * This function is used to configure authentication and encryption parameters | |
978 | * based on the network configuration and scan result for the selected BSS (if | |
979 | * available). | |
980 | */ | |
981 | int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s, | |
6fa81a3b | 982 | struct wpa_bss *bss, struct wpa_ssid *ssid, |
6fc6879b JM |
983 | u8 *wpa_ie, size_t *wpa_ie_len) |
984 | { | |
985 | struct wpa_ie_data ie; | |
986 | int sel, proto; | |
df0f01d9 | 987 | const u8 *bss_wpa, *bss_rsn, *bss_osen; |
6fc6879b JM |
988 | |
989 | if (bss) { | |
6fa81a3b JM |
990 | bss_wpa = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE); |
991 | bss_rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN); | |
df0f01d9 | 992 | bss_osen = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE); |
6fc6879b | 993 | } else |
df0f01d9 | 994 | bss_wpa = bss_rsn = bss_osen = NULL; |
6fc6879b JM |
995 | |
996 | if (bss_rsn && (ssid->proto & WPA_PROTO_RSN) && | |
997 | wpa_parse_wpa_ie(bss_rsn, 2 + bss_rsn[1], &ie) == 0 && | |
998 | (ie.group_cipher & ssid->group_cipher) && | |
999 | (ie.pairwise_cipher & ssid->pairwise_cipher) && | |
1000 | (ie.key_mgmt & ssid->key_mgmt)) { | |
f049052b | 1001 | wpa_dbg(wpa_s, MSG_DEBUG, "RSN: using IEEE 802.11i/D9.0"); |
6fc6879b JM |
1002 | proto = WPA_PROTO_RSN; |
1003 | } else if (bss_wpa && (ssid->proto & WPA_PROTO_WPA) && | |
1004 | wpa_parse_wpa_ie(bss_wpa, 2 +bss_wpa[1], &ie) == 0 && | |
1005 | (ie.group_cipher & ssid->group_cipher) && | |
1006 | (ie.pairwise_cipher & ssid->pairwise_cipher) && | |
1007 | (ie.key_mgmt & ssid->key_mgmt)) { | |
f049052b | 1008 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using IEEE 802.11i/D3.0"); |
6fc6879b | 1009 | proto = WPA_PROTO_WPA; |
df0f01d9 JM |
1010 | #ifdef CONFIG_HS20 |
1011 | } else if (bss_osen && (ssid->proto & WPA_PROTO_OSEN)) { | |
1012 | wpa_dbg(wpa_s, MSG_DEBUG, "HS 2.0: using OSEN"); | |
1013 | /* TODO: parse OSEN element */ | |
137ff332 | 1014 | os_memset(&ie, 0, sizeof(ie)); |
df0f01d9 JM |
1015 | ie.group_cipher = WPA_CIPHER_CCMP; |
1016 | ie.pairwise_cipher = WPA_CIPHER_CCMP; | |
1017 | ie.key_mgmt = WPA_KEY_MGMT_OSEN; | |
1018 | proto = WPA_PROTO_OSEN; | |
1019 | #endif /* CONFIG_HS20 */ | |
6fc6879b JM |
1020 | } else if (bss) { |
1021 | wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to select WPA/RSN"); | |
1022 | return -1; | |
1023 | } else { | |
df0f01d9 JM |
1024 | if (ssid->proto & WPA_PROTO_OSEN) |
1025 | proto = WPA_PROTO_OSEN; | |
1026 | else if (ssid->proto & WPA_PROTO_RSN) | |
6fc6879b JM |
1027 | proto = WPA_PROTO_RSN; |
1028 | else | |
1029 | proto = WPA_PROTO_WPA; | |
1030 | if (wpa_supplicant_suites_from_ai(wpa_s, ssid, &ie) < 0) { | |
1031 | os_memset(&ie, 0, sizeof(ie)); | |
1032 | ie.group_cipher = ssid->group_cipher; | |
1033 | ie.pairwise_cipher = ssid->pairwise_cipher; | |
1034 | ie.key_mgmt = ssid->key_mgmt; | |
1035 | #ifdef CONFIG_IEEE80211W | |
1036 | ie.mgmt_group_cipher = | |
70f8cc8e | 1037 | ssid->ieee80211w != NO_MGMT_FRAME_PROTECTION ? |
6fc6879b JM |
1038 | WPA_CIPHER_AES_128_CMAC : 0; |
1039 | #endif /* CONFIG_IEEE80211W */ | |
f049052b BG |
1040 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Set cipher suites " |
1041 | "based on configuration"); | |
6fc6879b JM |
1042 | } else |
1043 | proto = ie.proto; | |
1044 | } | |
1045 | ||
f049052b BG |
1046 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Selected cipher suites: group %d " |
1047 | "pairwise %d key_mgmt %d proto %d", | |
1048 | ie.group_cipher, ie.pairwise_cipher, ie.key_mgmt, proto); | |
6fc6879b JM |
1049 | #ifdef CONFIG_IEEE80211W |
1050 | if (ssid->ieee80211w) { | |
f049052b BG |
1051 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Selected mgmt group cipher %d", |
1052 | ie.mgmt_group_cipher); | |
6fc6879b JM |
1053 | } |
1054 | #endif /* CONFIG_IEEE80211W */ | |
1055 | ||
64fa840a | 1056 | wpa_s->wpa_proto = proto; |
6fc6879b JM |
1057 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_PROTO, proto); |
1058 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_RSN_ENABLED, | |
df0f01d9 | 1059 | !!(ssid->proto & (WPA_PROTO_RSN | WPA_PROTO_OSEN))); |
6fc6879b JM |
1060 | |
1061 | if (bss || !wpa_s->ap_ies_from_associnfo) { | |
1062 | if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, bss_wpa, | |
1063 | bss_wpa ? 2 + bss_wpa[1] : 0) || | |
1064 | wpa_sm_set_ap_rsn_ie(wpa_s->wpa, bss_rsn, | |
1065 | bss_rsn ? 2 + bss_rsn[1] : 0)) | |
1066 | return -1; | |
1067 | } | |
1068 | ||
1069 | sel = ie.group_cipher & ssid->group_cipher; | |
edbd2a19 JM |
1070 | wpa_s->group_cipher = wpa_pick_group_cipher(sel); |
1071 | if (wpa_s->group_cipher < 0) { | |
f049052b BG |
1072 | wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to select group " |
1073 | "cipher"); | |
6fc6879b JM |
1074 | return -1; |
1075 | } | |
edbd2a19 JM |
1076 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using GTK %s", |
1077 | wpa_cipher_txt(wpa_s->group_cipher)); | |
6fc6879b JM |
1078 | |
1079 | sel = ie.pairwise_cipher & ssid->pairwise_cipher; | |
edbd2a19 JM |
1080 | wpa_s->pairwise_cipher = wpa_pick_pairwise_cipher(sel, 1); |
1081 | if (wpa_s->pairwise_cipher < 0) { | |
f049052b BG |
1082 | wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to select pairwise " |
1083 | "cipher"); | |
6fc6879b JM |
1084 | return -1; |
1085 | } | |
edbd2a19 JM |
1086 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using PTK %s", |
1087 | wpa_cipher_txt(wpa_s->pairwise_cipher)); | |
6fc6879b JM |
1088 | |
1089 | sel = ie.key_mgmt & ssid->key_mgmt; | |
c10347f2 JM |
1090 | #ifdef CONFIG_SAE |
1091 | if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SAE)) | |
1092 | sel &= ~(WPA_KEY_MGMT_SAE | WPA_KEY_MGMT_FT_SAE); | |
1093 | #endif /* CONFIG_SAE */ | |
6fc6879b | 1094 | if (0) { |
666497c8 JM |
1095 | } else if (sel & WPA_KEY_MGMT_IEEE8021X_SUITE_B) { |
1096 | wpa_s->key_mgmt = WPA_KEY_MGMT_IEEE8021X_SUITE_B; | |
1097 | wpa_dbg(wpa_s, MSG_DEBUG, | |
1098 | "WPA: using KEY_MGMT 802.1X with Suite B"); | |
6fc6879b JM |
1099 | #ifdef CONFIG_IEEE80211R |
1100 | } else if (sel & WPA_KEY_MGMT_FT_IEEE8021X) { | |
1101 | wpa_s->key_mgmt = WPA_KEY_MGMT_FT_IEEE8021X; | |
f049052b | 1102 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT FT/802.1X"); |
6fc6879b JM |
1103 | } else if (sel & WPA_KEY_MGMT_FT_PSK) { |
1104 | wpa_s->key_mgmt = WPA_KEY_MGMT_FT_PSK; | |
f049052b | 1105 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT FT/PSK"); |
6fc6879b | 1106 | #endif /* CONFIG_IEEE80211R */ |
c10347f2 JM |
1107 | #ifdef CONFIG_SAE |
1108 | } else if (sel & WPA_KEY_MGMT_SAE) { | |
1109 | wpa_s->key_mgmt = WPA_KEY_MGMT_SAE; | |
1110 | wpa_dbg(wpa_s, MSG_DEBUG, "RSN: using KEY_MGMT SAE"); | |
1111 | } else if (sel & WPA_KEY_MGMT_FT_SAE) { | |
1112 | wpa_s->key_mgmt = WPA_KEY_MGMT_FT_SAE; | |
1113 | wpa_dbg(wpa_s, MSG_DEBUG, "RSN: using KEY_MGMT FT/SAE"); | |
1114 | #endif /* CONFIG_SAE */ | |
56586197 JM |
1115 | #ifdef CONFIG_IEEE80211W |
1116 | } else if (sel & WPA_KEY_MGMT_IEEE8021X_SHA256) { | |
1117 | wpa_s->key_mgmt = WPA_KEY_MGMT_IEEE8021X_SHA256; | |
f049052b | 1118 | wpa_dbg(wpa_s, MSG_DEBUG, |
56586197 JM |
1119 | "WPA: using KEY_MGMT 802.1X with SHA256"); |
1120 | } else if (sel & WPA_KEY_MGMT_PSK_SHA256) { | |
1121 | wpa_s->key_mgmt = WPA_KEY_MGMT_PSK_SHA256; | |
f049052b | 1122 | wpa_dbg(wpa_s, MSG_DEBUG, |
56586197 JM |
1123 | "WPA: using KEY_MGMT PSK with SHA256"); |
1124 | #endif /* CONFIG_IEEE80211W */ | |
6fc6879b JM |
1125 | } else if (sel & WPA_KEY_MGMT_IEEE8021X) { |
1126 | wpa_s->key_mgmt = WPA_KEY_MGMT_IEEE8021X; | |
f049052b | 1127 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT 802.1X"); |
6fc6879b JM |
1128 | } else if (sel & WPA_KEY_MGMT_PSK) { |
1129 | wpa_s->key_mgmt = WPA_KEY_MGMT_PSK; | |
f049052b | 1130 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT WPA-PSK"); |
6fc6879b JM |
1131 | } else if (sel & WPA_KEY_MGMT_WPA_NONE) { |
1132 | wpa_s->key_mgmt = WPA_KEY_MGMT_WPA_NONE; | |
f049052b | 1133 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT WPA-NONE"); |
df0f01d9 JM |
1134 | #ifdef CONFIG_HS20 |
1135 | } else if (sel & WPA_KEY_MGMT_OSEN) { | |
1136 | wpa_s->key_mgmt = WPA_KEY_MGMT_OSEN; | |
1137 | wpa_dbg(wpa_s, MSG_DEBUG, "HS 2.0: using KEY_MGMT OSEN"); | |
1138 | #endif /* CONFIG_HS20 */ | |
6fc6879b | 1139 | } else { |
f049052b BG |
1140 | wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to select " |
1141 | "authenticated key management type"); | |
6fc6879b JM |
1142 | return -1; |
1143 | } | |
1144 | ||
1145 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_KEY_MGMT, wpa_s->key_mgmt); | |
1146 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_PAIRWISE, | |
1147 | wpa_s->pairwise_cipher); | |
1148 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_GROUP, wpa_s->group_cipher); | |
1149 | ||
1150 | #ifdef CONFIG_IEEE80211W | |
1151 | sel = ie.mgmt_group_cipher; | |
62d49803 JM |
1152 | if ((ssid->ieee80211w == MGMT_FRAME_PROTECTION_DEFAULT ? |
1153 | wpa_s->conf->pmf : ssid->ieee80211w) == NO_MGMT_FRAME_PROTECTION || | |
0b60b0aa | 1154 | !(ie.capabilities & WPA_CAPABILITY_MFPC)) |
6fc6879b JM |
1155 | sel = 0; |
1156 | if (sel & WPA_CIPHER_AES_128_CMAC) { | |
1157 | wpa_s->mgmt_group_cipher = WPA_CIPHER_AES_128_CMAC; | |
f049052b | 1158 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using MGMT group cipher " |
6fc6879b | 1159 | "AES-128-CMAC"); |
8dd9f9cd JM |
1160 | } else if (sel & WPA_CIPHER_BIP_GMAC_128) { |
1161 | wpa_s->mgmt_group_cipher = WPA_CIPHER_BIP_GMAC_128; | |
1162 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using MGMT group cipher " | |
1163 | "BIP-GMAC-128"); | |
1164 | } else if (sel & WPA_CIPHER_BIP_GMAC_256) { | |
1165 | wpa_s->mgmt_group_cipher = WPA_CIPHER_BIP_GMAC_256; | |
1166 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using MGMT group cipher " | |
1167 | "BIP-GMAC-256"); | |
1168 | } else if (sel & WPA_CIPHER_BIP_CMAC_256) { | |
1169 | wpa_s->mgmt_group_cipher = WPA_CIPHER_BIP_CMAC_256; | |
1170 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using MGMT group cipher " | |
1171 | "BIP-CMAC-256"); | |
6fc6879b JM |
1172 | } else { |
1173 | wpa_s->mgmt_group_cipher = 0; | |
f049052b | 1174 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: not using MGMT group cipher"); |
6fc6879b JM |
1175 | } |
1176 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_MGMT_GROUP, | |
1177 | wpa_s->mgmt_group_cipher); | |
62d49803 JM |
1178 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_MFP, |
1179 | (ssid->ieee80211w == MGMT_FRAME_PROTECTION_DEFAULT ? | |
1180 | wpa_s->conf->pmf : ssid->ieee80211w)); | |
6fc6879b JM |
1181 | #endif /* CONFIG_IEEE80211W */ |
1182 | ||
1183 | if (wpa_sm_set_assoc_wpa_ie_default(wpa_s->wpa, wpa_ie, wpa_ie_len)) { | |
f049052b | 1184 | wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to generate WPA IE"); |
6fc6879b JM |
1185 | return -1; |
1186 | } | |
1187 | ||
0bf927a0 | 1188 | if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt)) { |
bc26ac50 | 1189 | wpa_sm_set_pmk(wpa_s->wpa, ssid->psk, PMK_LEN, NULL); |
7d232e23 ZC |
1190 | #ifndef CONFIG_NO_PBKDF2 |
1191 | if (bss && ssid->bssid_set && ssid->ssid_len == 0 && | |
1192 | ssid->passphrase) { | |
1193 | u8 psk[PMK_LEN]; | |
986de33d JM |
1194 | pbkdf2_sha1(ssid->passphrase, bss->ssid, bss->ssid_len, |
1195 | 4096, psk, PMK_LEN); | |
7d232e23 ZC |
1196 | wpa_hexdump_key(MSG_MSGDUMP, "PSK (from passphrase)", |
1197 | psk, PMK_LEN); | |
bc26ac50 | 1198 | wpa_sm_set_pmk(wpa_s->wpa, psk, PMK_LEN, NULL); |
7d232e23 ZC |
1199 | } |
1200 | #endif /* CONFIG_NO_PBKDF2 */ | |
9173b16f JM |
1201 | #ifdef CONFIG_EXT_PASSWORD |
1202 | if (ssid->ext_psk) { | |
1203 | struct wpabuf *pw = ext_password_get(wpa_s->ext_pw, | |
1204 | ssid->ext_psk); | |
1205 | char pw_str[64 + 1]; | |
1206 | u8 psk[PMK_LEN]; | |
1207 | ||
1208 | if (pw == NULL) { | |
1209 | wpa_msg(wpa_s, MSG_INFO, "EXT PW: No PSK " | |
1210 | "found from external storage"); | |
1211 | return -1; | |
1212 | } | |
1213 | ||
1214 | if (wpabuf_len(pw) < 8 || wpabuf_len(pw) > 64) { | |
1215 | wpa_msg(wpa_s, MSG_INFO, "EXT PW: Unexpected " | |
1216 | "PSK length %d in external storage", | |
1217 | (int) wpabuf_len(pw)); | |
1218 | ext_password_free(pw); | |
1219 | return -1; | |
1220 | } | |
1221 | ||
1222 | os_memcpy(pw_str, wpabuf_head(pw), wpabuf_len(pw)); | |
1223 | pw_str[wpabuf_len(pw)] = '\0'; | |
1224 | ||
1225 | #ifndef CONFIG_NO_PBKDF2 | |
1226 | if (wpabuf_len(pw) >= 8 && wpabuf_len(pw) < 64 && bss) | |
1227 | { | |
986de33d JM |
1228 | pbkdf2_sha1(pw_str, bss->ssid, bss->ssid_len, |
1229 | 4096, psk, PMK_LEN); | |
9173b16f JM |
1230 | os_memset(pw_str, 0, sizeof(pw_str)); |
1231 | wpa_hexdump_key(MSG_MSGDUMP, "PSK (from " | |
1232 | "external passphrase)", | |
1233 | psk, PMK_LEN); | |
bc26ac50 | 1234 | wpa_sm_set_pmk(wpa_s->wpa, psk, PMK_LEN, NULL); |
9173b16f JM |
1235 | } else |
1236 | #endif /* CONFIG_NO_PBKDF2 */ | |
1237 | if (wpabuf_len(pw) == 2 * PMK_LEN) { | |
1238 | if (hexstr2bin(pw_str, psk, PMK_LEN) < 0) { | |
1239 | wpa_msg(wpa_s, MSG_INFO, "EXT PW: " | |
1240 | "Invalid PSK hex string"); | |
1241 | os_memset(pw_str, 0, sizeof(pw_str)); | |
1242 | ext_password_free(pw); | |
1243 | return -1; | |
1244 | } | |
bc26ac50 | 1245 | wpa_sm_set_pmk(wpa_s->wpa, psk, PMK_LEN, NULL); |
9173b16f JM |
1246 | } else { |
1247 | wpa_msg(wpa_s, MSG_INFO, "EXT PW: No suitable " | |
1248 | "PSK available"); | |
1249 | os_memset(pw_str, 0, sizeof(pw_str)); | |
1250 | ext_password_free(pw); | |
1251 | return -1; | |
1252 | } | |
1253 | ||
1254 | os_memset(pw_str, 0, sizeof(pw_str)); | |
1255 | ext_password_free(pw); | |
1256 | } | |
1257 | #endif /* CONFIG_EXT_PASSWORD */ | |
7d232e23 | 1258 | } else |
6fc6879b JM |
1259 | wpa_sm_set_pmk_from_pmksa(wpa_s->wpa); |
1260 | ||
1261 | return 0; | |
1262 | } | |
1263 | ||
1264 | ||
8cd6b7bc | 1265 | static void wpas_ext_capab_byte(struct wpa_supplicant *wpa_s, u8 *pos, int idx) |
03e47c9c | 1266 | { |
8cd6b7bc | 1267 | *pos = 0x00; |
03e47c9c | 1268 | |
8cd6b7bc JB |
1269 | switch (idx) { |
1270 | case 0: /* Bits 0-7 */ | |
1271 | break; | |
1272 | case 1: /* Bits 8-15 */ | |
1273 | break; | |
1274 | case 2: /* Bits 16-23 */ | |
1275 | #ifdef CONFIG_WNM | |
1276 | *pos |= 0x02; /* Bit 17 - WNM-Sleep Mode */ | |
1277 | *pos |= 0x08; /* Bit 19 - BSS Transition */ | |
1278 | #endif /* CONFIG_WNM */ | |
1279 | break; | |
1280 | case 3: /* Bits 24-31 */ | |
1281 | #ifdef CONFIG_WNM | |
1282 | *pos |= 0x02; /* Bit 25 - SSID List */ | |
1283 | #endif /* CONFIG_WNM */ | |
03e47c9c | 1284 | #ifdef CONFIG_INTERWORKING |
8cd6b7bc JB |
1285 | if (wpa_s->conf->interworking) |
1286 | *pos |= 0x80; /* Bit 31 - Interworking */ | |
03e47c9c | 1287 | #endif /* CONFIG_INTERWORKING */ |
8cd6b7bc JB |
1288 | break; |
1289 | case 4: /* Bits 32-39 */ | |
56f5af48 | 1290 | #ifdef CONFIG_INTERWORKING |
429dd9af JM |
1291 | if (wpa_s->drv_flags / WPA_DRIVER_FLAGS_QOS_MAPPING) |
1292 | *pos |= 0x01; /* Bit 32 - QoS Map */ | |
56f5af48 | 1293 | #endif /* CONFIG_INTERWORKING */ |
8cd6b7bc JB |
1294 | break; |
1295 | case 5: /* Bits 40-47 */ | |
95a3ea94 JM |
1296 | #ifdef CONFIG_HS20 |
1297 | if (wpa_s->conf->hs20) | |
1298 | *pos |= 0x40; /* Bit 46 - WNM-Notification */ | |
1299 | #endif /* CONFIG_HS20 */ | |
8cd6b7bc JB |
1300 | break; |
1301 | case 6: /* Bits 48-55 */ | |
1302 | break; | |
1303 | } | |
1304 | } | |
03e47c9c | 1305 | |
03e47c9c | 1306 | |
0bbaa9b9 | 1307 | int wpas_build_ext_capab(struct wpa_supplicant *wpa_s, u8 *buf, size_t buflen) |
8cd6b7bc JB |
1308 | { |
1309 | u8 *pos = buf; | |
95a3ea94 | 1310 | u8 len = 6, i; |
8cd6b7bc JB |
1311 | |
1312 | if (len < wpa_s->extended_capa_len) | |
1313 | len = wpa_s->extended_capa_len; | |
0bbaa9b9 JM |
1314 | if (buflen < (size_t) len + 2) { |
1315 | wpa_printf(MSG_INFO, | |
1316 | "Not enough room for building extended capabilities element"); | |
1317 | return -1; | |
1318 | } | |
03e47c9c JM |
1319 | |
1320 | *pos++ = WLAN_EID_EXT_CAPAB; | |
8cd6b7bc JB |
1321 | *pos++ = len; |
1322 | for (i = 0; i < len; i++, pos++) { | |
1323 | wpas_ext_capab_byte(wpa_s, pos, i); | |
1324 | ||
1325 | if (i < wpa_s->extended_capa_len) { | |
1326 | *pos &= ~wpa_s->extended_capa_mask[i]; | |
1327 | *pos |= wpa_s->extended_capa[i]; | |
1328 | } | |
1329 | } | |
03e47c9c | 1330 | |
3db5439a JM |
1331 | while (len > 0 && buf[1 + len] == 0) { |
1332 | len--; | |
1333 | buf[1] = len; | |
1334 | } | |
1335 | if (len == 0) | |
1336 | return 0; | |
1337 | ||
1338 | return 2 + len; | |
03e47c9c JM |
1339 | } |
1340 | ||
1341 | ||
6ac4b15e JM |
1342 | static int wpas_valid_bss(struct wpa_supplicant *wpa_s, |
1343 | struct wpa_bss *test_bss) | |
1344 | { | |
1345 | struct wpa_bss *bss; | |
1346 | ||
1347 | dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { | |
1348 | if (bss == test_bss) | |
1349 | return 1; | |
1350 | } | |
1351 | ||
1352 | return 0; | |
1353 | } | |
1354 | ||
1355 | ||
1356 | static int wpas_valid_ssid(struct wpa_supplicant *wpa_s, | |
1357 | struct wpa_ssid *test_ssid) | |
1358 | { | |
1359 | struct wpa_ssid *ssid; | |
1360 | ||
1361 | for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { | |
1362 | if (ssid == test_ssid) | |
1363 | return 1; | |
1364 | } | |
1365 | ||
1366 | return 0; | |
1367 | } | |
1368 | ||
1369 | ||
1370 | int wpas_valid_bss_ssid(struct wpa_supplicant *wpa_s, struct wpa_bss *test_bss, | |
1371 | struct wpa_ssid *test_ssid) | |
1372 | { | |
1373 | if (test_bss && !wpas_valid_bss(wpa_s, test_bss)) | |
1374 | return 0; | |
1375 | ||
1376 | return test_ssid == NULL || wpas_valid_ssid(wpa_s, test_ssid); | |
1377 | } | |
1378 | ||
1379 | ||
1380 | void wpas_connect_work_free(struct wpa_connect_work *cwork) | |
1381 | { | |
1382 | if (cwork == NULL) | |
1383 | return; | |
1384 | os_free(cwork); | |
1385 | } | |
1386 | ||
1387 | ||
1388 | void wpas_connect_work_done(struct wpa_supplicant *wpa_s) | |
1389 | { | |
1390 | struct wpa_connect_work *cwork; | |
1391 | struct wpa_radio_work *work = wpa_s->connect_work; | |
1392 | ||
1393 | if (!work) | |
1394 | return; | |
1395 | ||
1396 | wpa_s->connect_work = NULL; | |
1397 | cwork = work->ctx; | |
1398 | work->ctx = NULL; | |
1399 | wpas_connect_work_free(cwork); | |
1400 | radio_work_done(work); | |
1401 | } | |
1402 | ||
1403 | ||
a313d17d | 1404 | int wpas_update_random_addr(struct wpa_supplicant *wpa_s, int style) |
c267753b JM |
1405 | { |
1406 | struct os_reltime now; | |
1407 | u8 addr[ETH_ALEN]; | |
1408 | ||
1409 | os_get_reltime(&now); | |
a313d17d JM |
1410 | if (wpa_s->last_mac_addr_style == style && |
1411 | wpa_s->last_mac_addr_change.sec != 0 && | |
c267753b JM |
1412 | !os_reltime_expired(&now, &wpa_s->last_mac_addr_change, |
1413 | wpa_s->conf->rand_addr_lifetime)) { | |
1414 | wpa_msg(wpa_s, MSG_DEBUG, | |
1415 | "Previously selected random MAC address has not yet expired"); | |
1416 | return 0; | |
1417 | } | |
1418 | ||
a313d17d JM |
1419 | switch (style) { |
1420 | case 1: | |
1421 | if (random_mac_addr(addr) < 0) | |
1422 | return -1; | |
1423 | break; | |
1424 | case 2: | |
1425 | os_memcpy(addr, wpa_s->perm_addr, ETH_ALEN); | |
1426 | if (random_mac_addr_keep_oui(addr) < 0) | |
1427 | return -1; | |
1428 | break; | |
1429 | default: | |
c267753b | 1430 | return -1; |
a313d17d | 1431 | } |
c267753b JM |
1432 | |
1433 | if (wpa_drv_set_mac_addr(wpa_s, addr) < 0) { | |
1434 | wpa_msg(wpa_s, MSG_INFO, | |
1435 | "Failed to set random MAC address"); | |
1436 | return -1; | |
1437 | } | |
1438 | ||
1439 | os_get_reltime(&wpa_s->last_mac_addr_change); | |
1440 | wpa_s->mac_addr_changed = 1; | |
a313d17d | 1441 | wpa_s->last_mac_addr_style = style; |
c267753b JM |
1442 | |
1443 | if (wpa_supplicant_update_mac_addr(wpa_s) < 0) { | |
1444 | wpa_msg(wpa_s, MSG_INFO, | |
1445 | "Could not update MAC address information"); | |
1446 | return -1; | |
1447 | } | |
1448 | ||
1449 | wpa_msg(wpa_s, MSG_DEBUG, "Using random MAC address " MACSTR, | |
1450 | MAC2STR(addr)); | |
1451 | ||
1452 | return 0; | |
1453 | } | |
1454 | ||
1455 | ||
1456 | int wpas_update_random_addr_disassoc(struct wpa_supplicant *wpa_s) | |
1457 | { | |
1458 | if (wpa_s->wpa_state >= WPA_AUTHENTICATING || | |
1459 | !wpa_s->conf->preassoc_mac_addr) | |
1460 | return 0; | |
1461 | ||
a313d17d | 1462 | return wpas_update_random_addr(wpa_s, wpa_s->conf->preassoc_mac_addr); |
c267753b JM |
1463 | } |
1464 | ||
1465 | ||
6ac4b15e JM |
1466 | static void wpas_start_assoc_cb(struct wpa_radio_work *work, int deinit); |
1467 | ||
6fc6879b JM |
1468 | /** |
1469 | * wpa_supplicant_associate - Request association | |
1470 | * @wpa_s: Pointer to wpa_supplicant data | |
1471 | * @bss: Scan results for the selected BSS, or %NULL if not available | |
1472 | * @ssid: Configuration data for the selected network | |
1473 | * | |
1474 | * This function is used to request %wpa_supplicant to associate with a BSS. | |
1475 | */ | |
1476 | void wpa_supplicant_associate(struct wpa_supplicant *wpa_s, | |
6fa81a3b | 1477 | struct wpa_bss *bss, struct wpa_ssid *ssid) |
6fc6879b | 1478 | { |
6ac4b15e | 1479 | struct wpa_connect_work *cwork; |
a313d17d JM |
1480 | int rand_style; |
1481 | ||
1482 | if (ssid->mac_addr == -1) | |
1483 | rand_style = wpa_s->conf->mac_addr; | |
1484 | else | |
1485 | rand_style = ssid->mac_addr; | |
6fc6879b | 1486 | |
c267753b JM |
1487 | if (wpa_s->last_ssid == ssid) { |
1488 | wpa_dbg(wpa_s, MSG_DEBUG, "Re-association to the same ESS"); | |
a313d17d JM |
1489 | } else if (rand_style > 0) { |
1490 | if (wpas_update_random_addr(wpa_s, rand_style) < 0) | |
c267753b JM |
1491 | return; |
1492 | wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid); | |
1493 | } else if (wpa_s->mac_addr_changed) { | |
1494 | if (wpa_drv_set_mac_addr(wpa_s, NULL) < 0) { | |
1495 | wpa_msg(wpa_s, MSG_INFO, | |
1496 | "Could not restore permanent MAC address"); | |
1497 | return; | |
1498 | } | |
1499 | wpa_s->mac_addr_changed = 0; | |
1500 | if (wpa_supplicant_update_mac_addr(wpa_s) < 0) { | |
1501 | wpa_msg(wpa_s, MSG_INFO, | |
1502 | "Could not update MAC address information"); | |
1503 | return; | |
1504 | } | |
1505 | wpa_msg(wpa_s, MSG_DEBUG, "Using permanent MAC address"); | |
1506 | } | |
1507 | wpa_s->last_ssid = ssid; | |
1508 | ||
78177a00 JM |
1509 | #ifdef CONFIG_IBSS_RSN |
1510 | ibss_rsn_deinit(wpa_s->ibss_rsn); | |
1511 | wpa_s->ibss_rsn = NULL; | |
1512 | #endif /* CONFIG_IBSS_RSN */ | |
1513 | ||
2c5d725c JM |
1514 | if (ssid->mode == WPAS_MODE_AP || ssid->mode == WPAS_MODE_P2P_GO || |
1515 | ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) { | |
1581b38b JM |
1516 | #ifdef CONFIG_AP |
1517 | if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP)) { | |
f049052b BG |
1518 | wpa_msg(wpa_s, MSG_INFO, "Driver does not support AP " |
1519 | "mode"); | |
1581b38b JM |
1520 | return; |
1521 | } | |
8c981d17 DW |
1522 | if (wpa_supplicant_create_ap(wpa_s, ssid) < 0) { |
1523 | wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); | |
b2b688d1 VKE |
1524 | if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) |
1525 | wpas_p2p_ap_setup_failed(wpa_s); | |
8c981d17 DW |
1526 | return; |
1527 | } | |
8f770587 | 1528 | wpa_s->current_bss = bss; |
1581b38b | 1529 | #else /* CONFIG_AP */ |
f049052b BG |
1530 | wpa_msg(wpa_s, MSG_ERROR, "AP mode support not included in " |
1531 | "the build"); | |
1581b38b JM |
1532 | #endif /* CONFIG_AP */ |
1533 | return; | |
1534 | } | |
1535 | ||
603a3f34 JL |
1536 | if (ssid->mode == WPAS_MODE_MESH) { |
1537 | #ifdef CONFIG_MESH | |
1538 | if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_MESH)) { | |
1539 | wpa_msg(wpa_s, MSG_INFO, | |
1540 | "Driver does not support mesh mode"); | |
1541 | return; | |
1542 | } | |
1543 | if (bss) | |
1544 | ssid->frequency = bss->freq; | |
1545 | if (wpa_supplicant_join_mesh(wpa_s, ssid) < 0) { | |
1546 | wpa_msg(wpa_s, MSG_ERROR, "Could not join mesh"); | |
1547 | return; | |
1548 | } | |
1549 | wpa_s->current_bss = bss; | |
1550 | wpa_msg_ctrl(wpa_s, MSG_INFO, MESH_GROUP_STARTED | |
1551 | "ssid=\"%s\" id=%d", | |
1552 | wpa_ssid_txt(ssid->ssid, ssid->ssid_len), | |
1553 | ssid->id); | |
1554 | #else /* CONFIG_MESH */ | |
1555 | wpa_msg(wpa_s, MSG_ERROR, | |
1556 | "mesh mode support not included in the build"); | |
1557 | #endif /* CONFIG_MESH */ | |
1558 | return; | |
1559 | } | |
1560 | ||
52c9e6f3 | 1561 | #ifdef CONFIG_TDLS |
95cb2d88 JM |
1562 | if (bss) |
1563 | wpa_tdls_ap_ies(wpa_s->wpa, (const u8 *) (bss + 1), | |
1564 | bss->ie_len); | |
52c9e6f3 JM |
1565 | #endif /* CONFIG_TDLS */ |
1566 | ||
5cc4d64b JM |
1567 | if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) && |
1568 | ssid->mode == IEEE80211_MODE_INFRA) { | |
c2a04078 JM |
1569 | sme_authenticate(wpa_s, bss, ssid); |
1570 | return; | |
1571 | } | |
1572 | ||
6ac4b15e JM |
1573 | if (wpa_s->connect_work) { |
1574 | wpa_dbg(wpa_s, MSG_DEBUG, "Reject wpa_supplicant_associate() call since connect_work exist"); | |
1575 | return; | |
1576 | } | |
1577 | ||
f0e30c84 JM |
1578 | if (radio_work_pending(wpa_s, "connect")) { |
1579 | wpa_dbg(wpa_s, MSG_DEBUG, "Reject wpa_supplicant_associate() call since pending work exist"); | |
1580 | return; | |
1581 | } | |
1582 | ||
6ac4b15e JM |
1583 | cwork = os_zalloc(sizeof(*cwork)); |
1584 | if (cwork == NULL) | |
1585 | return; | |
1586 | ||
1587 | cwork->bss = bss; | |
1588 | cwork->ssid = ssid; | |
1589 | ||
1590 | if (radio_add_work(wpa_s, bss ? bss->freq : 0, "connect", 1, | |
1591 | wpas_start_assoc_cb, cwork) < 0) { | |
1592 | os_free(cwork); | |
1593 | } | |
1594 | } | |
1595 | ||
1596 | ||
1597 | static void wpas_start_assoc_cb(struct wpa_radio_work *work, int deinit) | |
1598 | { | |
1599 | struct wpa_connect_work *cwork = work->ctx; | |
1600 | struct wpa_bss *bss = cwork->bss; | |
1601 | struct wpa_ssid *ssid = cwork->ssid; | |
1602 | struct wpa_supplicant *wpa_s = work->wpa_s; | |
1603 | u8 wpa_ie[200]; | |
1604 | size_t wpa_ie_len; | |
1605 | int use_crypt, ret, i, bssid_changed; | |
1606 | int algs = WPA_AUTH_ALG_OPEN; | |
1607 | unsigned int cipher_pairwise, cipher_group; | |
1608 | struct wpa_driver_associate_params params; | |
1609 | int wep_keys_set = 0; | |
1610 | int assoc_failed = 0; | |
1611 | struct wpa_ssid *old_ssid; | |
1612 | #ifdef CONFIG_HT_OVERRIDES | |
1613 | struct ieee80211_ht_capabilities htcaps; | |
1614 | struct ieee80211_ht_capabilities htcaps_mask; | |
1615 | #endif /* CONFIG_HT_OVERRIDES */ | |
6aa1cd4e PS |
1616 | #ifdef CONFIG_VHT_OVERRIDES |
1617 | struct ieee80211_vht_capabilities vhtcaps; | |
1618 | struct ieee80211_vht_capabilities vhtcaps_mask; | |
1619 | #endif /* CONFIG_VHT_OVERRIDES */ | |
6ac4b15e JM |
1620 | |
1621 | if (deinit) { | |
b3253ebb AO |
1622 | if (work->started) { |
1623 | wpa_s->connect_work = NULL; | |
1624 | ||
1625 | /* cancel possible auth. timeout */ | |
1626 | eloop_cancel_timeout(wpa_supplicant_timeout, wpa_s, | |
1627 | NULL); | |
1628 | } | |
6ac4b15e JM |
1629 | wpas_connect_work_free(cwork); |
1630 | return; | |
1631 | } | |
1632 | ||
1633 | wpa_s->connect_work = work; | |
1634 | ||
a7f5271d | 1635 | if (cwork->bss_removed || !wpas_valid_bss_ssid(wpa_s, bss, ssid)) { |
6ac4b15e JM |
1636 | wpa_dbg(wpa_s, MSG_DEBUG, "BSS/SSID entry for association not valid anymore - drop connection attempt"); |
1637 | wpas_connect_work_done(wpa_s); | |
1638 | return; | |
1639 | } | |
1640 | ||
0c80427d | 1641 | os_memset(¶ms, 0, sizeof(params)); |
6fc6879b | 1642 | wpa_s->reassociate = 0; |
c60ba9f7 | 1643 | wpa_s->eap_expected_failure = 0; |
76d81b32 JM |
1644 | if (bss && |
1645 | (!wpas_driver_bss_selection(wpa_s) || wpas_wps_searching(wpa_s))) { | |
6fc6879b | 1646 | #ifdef CONFIG_IEEE80211R |
6fa81a3b | 1647 | const u8 *ie, *md = NULL; |
6fc6879b | 1648 | #endif /* CONFIG_IEEE80211R */ |
6fc6879b JM |
1649 | wpa_msg(wpa_s, MSG_INFO, "Trying to associate with " MACSTR |
1650 | " (SSID='%s' freq=%d MHz)", MAC2STR(bss->bssid), | |
6fa81a3b | 1651 | wpa_ssid_txt(bss->ssid, bss->ssid_len), bss->freq); |
8bac466b | 1652 | bssid_changed = !is_zero_ether_addr(wpa_s->bssid); |
6fc6879b JM |
1653 | os_memset(wpa_s->bssid, 0, ETH_ALEN); |
1654 | os_memcpy(wpa_s->pending_bssid, bss->bssid, ETH_ALEN); | |
8bac466b JM |
1655 | if (bssid_changed) |
1656 | wpas_notify_bssid_changed(wpa_s); | |
6fc6879b | 1657 | #ifdef CONFIG_IEEE80211R |
6fa81a3b | 1658 | ie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN); |
6fc6879b JM |
1659 | if (ie && ie[1] >= MOBILITY_DOMAIN_ID_LEN) |
1660 | md = ie + 2; | |
e7846b68 | 1661 | wpa_sm_set_ft_params(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0); |
91a05482 JM |
1662 | if (md) { |
1663 | /* Prepare for the next transition */ | |
76b7981d | 1664 | wpa_ft_prepare_auth_request(wpa_s->wpa, ie); |
91a05482 | 1665 | } |
6fc6879b | 1666 | #endif /* CONFIG_IEEE80211R */ |
24c23d1b JM |
1667 | #ifdef CONFIG_WPS |
1668 | } else if ((ssid->ssid == NULL || ssid->ssid_len == 0) && | |
1669 | wpa_s->conf->ap_scan == 2 && | |
1670 | (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) { | |
1671 | /* Use ap_scan==1 style network selection to find the network | |
1672 | */ | |
74656400 | 1673 | wpas_connect_work_done(wpa_s); |
4115303b | 1674 | wpa_s->scan_req = MANUAL_SCAN_REQ; |
24c23d1b JM |
1675 | wpa_s->reassociate = 1; |
1676 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
1677 | return; | |
1678 | #endif /* CONFIG_WPS */ | |
6fc6879b JM |
1679 | } else { |
1680 | wpa_msg(wpa_s, MSG_INFO, "Trying to associate with SSID '%s'", | |
1681 | wpa_ssid_txt(ssid->ssid, ssid->ssid_len)); | |
1682 | os_memset(wpa_s->pending_bssid, 0, ETH_ALEN); | |
1683 | } | |
a4cba8f1 | 1684 | wpa_supplicant_cancel_sched_scan(wpa_s); |
6fc6879b JM |
1685 | wpa_supplicant_cancel_scan(wpa_s); |
1686 | ||
1687 | /* Starting new association, so clear the possibly used WPA IE from the | |
1688 | * previous association. */ | |
1689 | wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0); | |
1690 | ||
1691 | #ifdef IEEE8021X_EAPOL | |
1692 | if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) { | |
1693 | if (ssid->leap) { | |
1694 | if (ssid->non_leap == 0) | |
abd9fafa | 1695 | algs = WPA_AUTH_ALG_LEAP; |
6fc6879b | 1696 | else |
abd9fafa | 1697 | algs |= WPA_AUTH_ALG_LEAP; |
6fc6879b JM |
1698 | } |
1699 | } | |
1700 | #endif /* IEEE8021X_EAPOL */ | |
f049052b | 1701 | wpa_dbg(wpa_s, MSG_DEBUG, "Automatic auth_alg selection: 0x%x", algs); |
6fc6879b | 1702 | if (ssid->auth_alg) { |
abd9fafa | 1703 | algs = ssid->auth_alg; |
f049052b BG |
1704 | wpa_dbg(wpa_s, MSG_DEBUG, "Overriding auth_alg selection: " |
1705 | "0x%x", algs); | |
6fc6879b | 1706 | } |
6fc6879b | 1707 | |
6fa81a3b JM |
1708 | if (bss && (wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE) || |
1709 | wpa_bss_get_ie(bss, WLAN_EID_RSN)) && | |
0bf927a0 | 1710 | wpa_key_mgmt_wpa(ssid->key_mgmt)) { |
6fc6879b | 1711 | int try_opportunistic; |
6e202021 JM |
1712 | try_opportunistic = (ssid->proactive_key_caching < 0 ? |
1713 | wpa_s->conf->okc : | |
1714 | ssid->proactive_key_caching) && | |
6fc6879b JM |
1715 | (ssid->proto & WPA_PROTO_RSN); |
1716 | if (pmksa_cache_set_current(wpa_s->wpa, NULL, bss->bssid, | |
b2a12c4f | 1717 | ssid, try_opportunistic) == 0) |
6fc6879b JM |
1718 | eapol_sm_notify_pmkid_attempt(wpa_s->eapol, 1); |
1719 | wpa_ie_len = sizeof(wpa_ie); | |
1720 | if (wpa_supplicant_set_suites(wpa_s, bss, ssid, | |
1721 | wpa_ie, &wpa_ie_len)) { | |
f049052b BG |
1722 | wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to set WPA " |
1723 | "key management and encryption suites"); | |
74656400 | 1724 | wpas_connect_work_done(wpa_s); |
6fc6879b JM |
1725 | return; |
1726 | } | |
a3f7e518 JM |
1727 | } else if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) && bss && |
1728 | wpa_key_mgmt_wpa_ieee8021x(ssid->key_mgmt)) { | |
1729 | /* | |
1730 | * Both WPA and non-WPA IEEE 802.1X enabled in configuration - | |
1731 | * use non-WPA since the scan results did not indicate that the | |
1732 | * AP is using WPA or WPA2. | |
1733 | */ | |
1734 | wpa_supplicant_set_non_wpa_policy(wpa_s, ssid); | |
1735 | wpa_ie_len = 0; | |
1736 | wpa_s->wpa_proto = 0; | |
0bf927a0 | 1737 | } else if (wpa_key_mgmt_wpa_any(ssid->key_mgmt)) { |
6fc6879b JM |
1738 | wpa_ie_len = sizeof(wpa_ie); |
1739 | if (wpa_supplicant_set_suites(wpa_s, NULL, ssid, | |
1740 | wpa_ie, &wpa_ie_len)) { | |
f049052b BG |
1741 | wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to set WPA " |
1742 | "key management and encryption suites (no " | |
1743 | "scan results)"); | |
74656400 | 1744 | wpas_connect_work_done(wpa_s); |
6fc6879b JM |
1745 | return; |
1746 | } | |
ad08c363 JM |
1747 | #ifdef CONFIG_WPS |
1748 | } else if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) { | |
b01c18a8 JM |
1749 | struct wpabuf *wps_ie; |
1750 | wps_ie = wps_build_assoc_req_ie(wpas_wps_get_req_type(ssid)); | |
ad08c363 JM |
1751 | if (wps_ie && wpabuf_len(wps_ie) <= sizeof(wpa_ie)) { |
1752 | wpa_ie_len = wpabuf_len(wps_ie); | |
1753 | os_memcpy(wpa_ie, wpabuf_head(wps_ie), wpa_ie_len); | |
24386985 JM |
1754 | } else |
1755 | wpa_ie_len = 0; | |
ad08c363 JM |
1756 | wpabuf_free(wps_ie); |
1757 | wpa_supplicant_set_non_wpa_policy(wpa_s, ssid); | |
0c80427d JM |
1758 | if (!bss || (bss->caps & IEEE80211_CAP_PRIVACY)) |
1759 | params.wps = WPS_MODE_PRIVACY; | |
1760 | else | |
1761 | params.wps = WPS_MODE_OPEN; | |
cf546f1a | 1762 | wpa_s->wpa_proto = 0; |
ad08c363 | 1763 | #endif /* CONFIG_WPS */ |
6fc6879b JM |
1764 | } else { |
1765 | wpa_supplicant_set_non_wpa_policy(wpa_s, ssid); | |
1766 | wpa_ie_len = 0; | |
cf546f1a | 1767 | wpa_s->wpa_proto = 0; |
6fc6879b JM |
1768 | } |
1769 | ||
5f3a6aa0 JM |
1770 | #ifdef CONFIG_P2P |
1771 | if (wpa_s->global->p2p) { | |
1772 | u8 *pos; | |
1773 | size_t len; | |
1774 | int res; | |
5f3a6aa0 JM |
1775 | pos = wpa_ie + wpa_ie_len; |
1776 | len = sizeof(wpa_ie) - wpa_ie_len; | |
b8a8d677 JM |
1777 | res = wpas_p2p_assoc_req_ie(wpa_s, bss, pos, len, |
1778 | ssid->p2p_group); | |
5f3a6aa0 JM |
1779 | if (res >= 0) |
1780 | wpa_ie_len += res; | |
1781 | } | |
72044390 JM |
1782 | |
1783 | wpa_s->cross_connect_disallowed = 0; | |
1784 | if (bss) { | |
1785 | struct wpabuf *p2p; | |
1786 | p2p = wpa_bss_get_vendor_ie_multi(bss, P2P_IE_VENDOR_TYPE); | |
1787 | if (p2p) { | |
1788 | wpa_s->cross_connect_disallowed = | |
1789 | p2p_get_cross_connect_disallowed(p2p); | |
1790 | wpabuf_free(p2p); | |
f049052b BG |
1791 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: WLAN AP %s cross " |
1792 | "connection", | |
1793 | wpa_s->cross_connect_disallowed ? | |
1794 | "disallows" : "allows"); | |
72044390 JM |
1795 | } |
1796 | } | |
25ef8529 JM |
1797 | |
1798 | os_memset(wpa_s->p2p_ip_addr_info, 0, sizeof(wpa_s->p2p_ip_addr_info)); | |
5f3a6aa0 JM |
1799 | #endif /* CONFIG_P2P */ |
1800 | ||
cb418324 | 1801 | #ifdef CONFIG_HS20 |
55a2df43 | 1802 | if (is_hs20_network(wpa_s, ssid, bss)) { |
cb418324 JM |
1803 | struct wpabuf *hs20; |
1804 | hs20 = wpabuf_alloc(20); | |
1805 | if (hs20) { | |
f9cd147d | 1806 | int pps_mo_id = hs20_get_pps_mo_id(wpa_s, ssid); |
745ef184 JM |
1807 | size_t len; |
1808 | ||
f9cd147d | 1809 | wpas_hs20_add_indication(hs20, pps_mo_id); |
745ef184 JM |
1810 | len = sizeof(wpa_ie) - wpa_ie_len; |
1811 | if (wpabuf_len(hs20) <= len) { | |
1812 | os_memcpy(wpa_ie + wpa_ie_len, | |
1813 | wpabuf_head(hs20), wpabuf_len(hs20)); | |
1814 | wpa_ie_len += wpabuf_len(hs20); | |
1815 | } | |
cb418324 JM |
1816 | wpabuf_free(hs20); |
1817 | } | |
1818 | } | |
1819 | #endif /* CONFIG_HS20 */ | |
1820 | ||
8b3b803a AH |
1821 | /* |
1822 | * Workaround: Add Extended Capabilities element only if the AP | |
1823 | * included this element in Beacon/Probe Response frames. Some older | |
1824 | * APs seem to have interoperability issues if this element is | |
1825 | * included, so while the standard may require us to include the | |
1826 | * element in all cases, it is justifiable to skip it to avoid | |
1827 | * interoperability issues. | |
1828 | */ | |
1829 | if (!bss || wpa_bss_get_ie(bss, WLAN_EID_EXT_CAPAB)) { | |
0bbaa9b9 | 1830 | u8 ext_capab[18]; |
8b3b803a | 1831 | int ext_capab_len; |
0bbaa9b9 JM |
1832 | ext_capab_len = wpas_build_ext_capab(wpa_s, ext_capab, |
1833 | sizeof(ext_capab)); | |
8b3b803a AH |
1834 | if (ext_capab_len > 0) { |
1835 | u8 *pos = wpa_ie; | |
1836 | if (wpa_ie_len > 0 && pos[0] == WLAN_EID_RSN) | |
1837 | pos += 2 + pos[1]; | |
1838 | os_memmove(pos + ext_capab_len, pos, | |
1839 | wpa_ie_len - (pos - wpa_ie)); | |
1840 | wpa_ie_len += ext_capab_len; | |
1841 | os_memcpy(pos, ext_capab, ext_capab_len); | |
1842 | } | |
92cbcf91 | 1843 | } |
92cbcf91 | 1844 | |
6fc6879b JM |
1845 | wpa_clear_keys(wpa_s, bss ? bss->bssid : NULL); |
1846 | use_crypt = 1; | |
4848a38d JM |
1847 | cipher_pairwise = wpa_s->pairwise_cipher; |
1848 | cipher_group = wpa_s->group_cipher; | |
6fc6879b JM |
1849 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE || |
1850 | wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) { | |
1851 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE) | |
1852 | use_crypt = 0; | |
1853 | if (wpa_set_wep_keys(wpa_s, ssid)) { | |
1854 | use_crypt = 1; | |
1855 | wep_keys_set = 1; | |
1856 | } | |
1857 | } | |
ad08c363 JM |
1858 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS) |
1859 | use_crypt = 0; | |
6fc6879b JM |
1860 | |
1861 | #ifdef IEEE8021X_EAPOL | |
1862 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) { | |
1863 | if ((ssid->eapol_flags & | |
1864 | (EAPOL_FLAG_REQUIRE_KEY_UNICAST | | |
1865 | EAPOL_FLAG_REQUIRE_KEY_BROADCAST)) == 0 && | |
1866 | !wep_keys_set) { | |
1867 | use_crypt = 0; | |
1868 | } else { | |
1869 | /* Assume that dynamic WEP-104 keys will be used and | |
1870 | * set cipher suites in order for drivers to expect | |
1871 | * encryption. */ | |
4848a38d | 1872 | cipher_pairwise = cipher_group = WPA_CIPHER_WEP104; |
6fc6879b JM |
1873 | } |
1874 | } | |
1875 | #endif /* IEEE8021X_EAPOL */ | |
1876 | ||
1877 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) { | |
1878 | /* Set the key before (and later after) association */ | |
1879 | wpa_supplicant_set_wpa_none_key(wpa_s, ssid); | |
1880 | } | |
1881 | ||
6fc6879b | 1882 | wpa_supplicant_set_state(wpa_s, WPA_ASSOCIATING); |
6fc6879b | 1883 | if (bss) { |
6fa81a3b JM |
1884 | params.ssid = bss->ssid; |
1885 | params.ssid_len = bss->ssid_len; | |
f15854d1 JM |
1886 | if (!wpas_driver_bss_selection(wpa_s) || ssid->bssid_set) { |
1887 | wpa_printf(MSG_DEBUG, "Limit connection to BSSID " | |
1888 | MACSTR " freq=%u MHz based on scan results " | |
1889 | "(bssid_set=%d)", | |
1890 | MAC2STR(bss->bssid), bss->freq, | |
1891 | ssid->bssid_set); | |
22628eca | 1892 | params.bssid = bss->bssid; |
4ec68377 | 1893 | params.freq.freq = bss->freq; |
22628eca | 1894 | } |
7ac7fd43 DS |
1895 | params.bssid_hint = bss->bssid; |
1896 | params.freq_hint = bss->freq; | |
6fc6879b JM |
1897 | } else { |
1898 | params.ssid = ssid->ssid; | |
1899 | params.ssid_len = ssid->ssid_len; | |
1900 | } | |
9e2af29f NC |
1901 | |
1902 | if (ssid->mode == WPAS_MODE_IBSS && ssid->bssid_set && | |
1903 | wpa_s->conf->ap_scan == 2) { | |
1904 | params.bssid = ssid->bssid; | |
1905 | params.fixed_bssid = 1; | |
1906 | } | |
1907 | ||
603a3f34 JL |
1908 | /* Initial frequency for IBSS/mesh */ |
1909 | if ((ssid->mode == WPAS_MODE_IBSS || ssid->mode == WPAS_MODE_MESH) && | |
1910 | ssid->frequency > 0 && params.freq.freq == 0) { | |
dc152f32 JD |
1911 | enum hostapd_hw_mode hw_mode; |
1912 | u8 channel; | |
1913 | ||
4ec68377 | 1914 | params.freq.freq = ssid->frequency; |
8f05577d | 1915 | |
dc152f32 JD |
1916 | hw_mode = ieee80211_freq_to_chan(ssid->frequency, &channel); |
1917 | for (i = 0; wpa_s->hw.modes && i < wpa_s->hw.num_modes; i++) { | |
1918 | if (wpa_s->hw.modes[i].mode == hw_mode) { | |
1919 | struct hostapd_hw_modes *mode; | |
1920 | ||
1921 | mode = &wpa_s->hw.modes[i]; | |
1922 | params.freq.ht_enabled = ht_supported(mode); | |
1923 | break; | |
1924 | } | |
1925 | } | |
1926 | } | |
1927 | ||
8f05577d JM |
1928 | if (ssid->mode == WPAS_MODE_IBSS) { |
1929 | if (ssid->beacon_int) | |
1930 | params.beacon_int = ssid->beacon_int; | |
1931 | else | |
1932 | params.beacon_int = wpa_s->conf->beacon_int; | |
1933 | } | |
1934 | ||
6fc6879b JM |
1935 | params.wpa_ie = wpa_ie; |
1936 | params.wpa_ie_len = wpa_ie_len; | |
1937 | params.pairwise_suite = cipher_pairwise; | |
1938 | params.group_suite = cipher_group; | |
4848a38d | 1939 | params.key_mgmt_suite = wpa_s->key_mgmt; |
64fa840a | 1940 | params.wpa_proto = wpa_s->wpa_proto; |
6fc6879b JM |
1941 | params.auth_alg = algs; |
1942 | params.mode = ssid->mode; | |
1f6c0ab8 | 1943 | params.bg_scan_period = ssid->bg_scan_period; |
6fc6879b JM |
1944 | for (i = 0; i < NUM_WEP_KEYS; i++) { |
1945 | if (ssid->wep_key_len[i]) | |
1946 | params.wep_key[i] = ssid->wep_key[i]; | |
1947 | params.wep_key_len[i] = ssid->wep_key_len[i]; | |
1948 | } | |
1949 | params.wep_tx_keyidx = ssid->wep_tx_keyidx; | |
1950 | ||
c2a04078 | 1951 | if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) && |
4848a38d JM |
1952 | (params.key_mgmt_suite == WPA_KEY_MGMT_PSK || |
1953 | params.key_mgmt_suite == WPA_KEY_MGMT_FT_PSK)) { | |
6fc6879b JM |
1954 | params.passphrase = ssid->passphrase; |
1955 | if (ssid->psk_set) | |
1956 | params.psk = ssid->psk; | |
b41f2684 CL |
1957 | } |
1958 | ||
1959 | if (wpa_s->conf->key_mgmt_offload) { | |
1960 | if (params.key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X || | |
666497c8 JM |
1961 | params.key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 || |
1962 | params.key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B) | |
b41f2684 CL |
1963 | params.req_key_mgmt_offload = |
1964 | ssid->proactive_key_caching < 0 ? | |
1965 | wpa_s->conf->okc : ssid->proactive_key_caching; | |
1966 | else | |
1967 | params.req_key_mgmt_offload = 1; | |
1968 | ||
1969 | if ((params.key_mgmt_suite == WPA_KEY_MGMT_PSK || | |
1970 | params.key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 || | |
1971 | params.key_mgmt_suite == WPA_KEY_MGMT_FT_PSK) && | |
1972 | ssid->psk_set) | |
1973 | params.psk = ssid->psk; | |
6fc6879b JM |
1974 | } |
1975 | ||
36b15723 JM |
1976 | params.drop_unencrypted = use_crypt; |
1977 | ||
6fc6879b | 1978 | #ifdef CONFIG_IEEE80211W |
62d49803 JM |
1979 | params.mgmt_frame_protection = |
1980 | ssid->ieee80211w == MGMT_FRAME_PROTECTION_DEFAULT ? | |
1981 | wpa_s->conf->pmf : ssid->ieee80211w; | |
1982 | if (params.mgmt_frame_protection != NO_MGMT_FRAME_PROTECTION && bss) { | |
6fa81a3b | 1983 | const u8 *rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN); |
97d3497e JM |
1984 | struct wpa_ie_data ie; |
1985 | if (rsn && wpa_parse_wpa_ie(rsn, 2 + rsn[1], &ie) == 0 && | |
1986 | ie.capabilities & | |
1987 | (WPA_CAPABILITY_MFPC | WPA_CAPABILITY_MFPR)) { | |
f049052b BG |
1988 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Selected AP supports " |
1989 | "MFP: require MFP"); | |
97d3497e JM |
1990 | params.mgmt_frame_protection = |
1991 | MGMT_FRAME_PROTECTION_REQUIRED; | |
1992 | } | |
1993 | } | |
6fc6879b JM |
1994 | #endif /* CONFIG_IEEE80211W */ |
1995 | ||
ffad8858 | 1996 | params.p2p = ssid->p2p_group; |
6e3f4b89 | 1997 | |
eea2fd9e JM |
1998 | if (wpa_s->parent->set_sta_uapsd) |
1999 | params.uapsd = wpa_s->parent->sta_uapsd; | |
2000 | else | |
2001 | params.uapsd = -1; | |
2002 | ||
80e8a5ee BG |
2003 | #ifdef CONFIG_HT_OVERRIDES |
2004 | os_memset(&htcaps, 0, sizeof(htcaps)); | |
2005 | os_memset(&htcaps_mask, 0, sizeof(htcaps_mask)); | |
2006 | params.htcaps = (u8 *) &htcaps; | |
2007 | params.htcaps_mask = (u8 *) &htcaps_mask; | |
2008 | wpa_supplicant_apply_ht_overrides(wpa_s, ssid, ¶ms); | |
2009 | #endif /* CONFIG_HT_OVERRIDES */ | |
6aa1cd4e PS |
2010 | #ifdef CONFIG_VHT_OVERRIDES |
2011 | os_memset(&vhtcaps, 0, sizeof(vhtcaps)); | |
2012 | os_memset(&vhtcaps_mask, 0, sizeof(vhtcaps_mask)); | |
2013 | params.vhtcaps = &vhtcaps; | |
2014 | params.vhtcaps_mask = &vhtcaps_mask; | |
2015 | wpa_supplicant_apply_vht_overrides(wpa_s, wpa_s->current_ssid, ¶ms); | |
2016 | #endif /* CONFIG_VHT_OVERRIDES */ | |
80e8a5ee | 2017 | |
8567866d JJ |
2018 | #ifdef CONFIG_P2P |
2019 | /* | |
2020 | * If multi-channel concurrency is not supported, check for any | |
2021 | * frequency conflict. In case of any frequency conflict, remove the | |
2022 | * least prioritized connection. | |
2023 | */ | |
2024 | if (wpa_s->num_multichan_concurrent < 2) { | |
d0df6437 IP |
2025 | int freq, num; |
2026 | num = get_shared_radio_freqs(wpa_s, &freq, 1); | |
4ec68377 | 2027 | if (num > 0 && freq > 0 && freq != params.freq.freq) { |
d0df6437 IP |
2028 | wpa_printf(MSG_DEBUG, |
2029 | "Assoc conflicting freq found (%d != %d)", | |
4ec68377 JD |
2030 | freq, params.freq.freq); |
2031 | if (wpas_p2p_handle_frequency_conflicts( | |
74656400 SD |
2032 | wpa_s, params.freq.freq, ssid) < 0) { |
2033 | wpas_connect_work_done(wpa_s); | |
8567866d | 2034 | return; |
74656400 | 2035 | } |
8567866d JJ |
2036 | } |
2037 | } | |
2038 | #endif /* CONFIG_P2P */ | |
2039 | ||
17fbb751 | 2040 | ret = wpa_drv_associate(wpa_s, ¶ms); |
6fc6879b JM |
2041 | if (ret < 0) { |
2042 | wpa_msg(wpa_s, MSG_INFO, "Association request to the driver " | |
2043 | "failed"); | |
871f4dd0 JM |
2044 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SANE_ERROR_CODES) { |
2045 | /* | |
2046 | * The driver is known to mean what is saying, so we | |
2047 | * can stop right here; the association will not | |
2048 | * succeed. | |
2049 | */ | |
2050 | wpas_connection_failed(wpa_s, wpa_s->pending_bssid); | |
c1c02342 | 2051 | wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); |
871f4dd0 JM |
2052 | os_memset(wpa_s->pending_bssid, 0, ETH_ALEN); |
2053 | return; | |
2054 | } | |
6fc6879b JM |
2055 | /* try to continue anyway; new association will be tried again |
2056 | * after timeout */ | |
2057 | assoc_failed = 1; | |
2058 | } | |
2059 | ||
2060 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) { | |
2061 | /* Set the key after the association just in case association | |
2062 | * cleared the previously configured key. */ | |
2063 | wpa_supplicant_set_wpa_none_key(wpa_s, ssid); | |
2064 | /* No need to timeout authentication since there is no key | |
2065 | * management. */ | |
2066 | wpa_supplicant_cancel_auth_timeout(wpa_s); | |
2067 | wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); | |
53895c3b | 2068 | #ifdef CONFIG_IBSS_RSN |
d7dcba70 | 2069 | } else if (ssid->mode == WPAS_MODE_IBSS && |
53895c3b JM |
2070 | wpa_s->key_mgmt != WPA_KEY_MGMT_NONE && |
2071 | wpa_s->key_mgmt != WPA_KEY_MGMT_WPA_NONE) { | |
2072 | /* | |
2073 | * RSN IBSS authentication is per-STA and we can disable the | |
2074 | * per-BSSID authentication. | |
2075 | */ | |
2076 | wpa_supplicant_cancel_auth_timeout(wpa_s); | |
53895c3b | 2077 | #endif /* CONFIG_IBSS_RSN */ |
6fc6879b JM |
2078 | } else { |
2079 | /* Timeout for IEEE 802.11 authentication and association */ | |
1d3c75b3 DW |
2080 | int timeout = 60; |
2081 | ||
2082 | if (assoc_failed) { | |
2083 | /* give IBSS a bit more time */ | |
d7dcba70 | 2084 | timeout = ssid->mode == WPAS_MODE_IBSS ? 10 : 5; |
1d3c75b3 DW |
2085 | } else if (wpa_s->conf->ap_scan == 1) { |
2086 | /* give IBSS a bit more time */ | |
d7dcba70 | 2087 | timeout = ssid->mode == WPAS_MODE_IBSS ? 20 : 10; |
1d3c75b3 | 2088 | } |
6fc6879b JM |
2089 | wpa_supplicant_req_auth_timeout(wpa_s, timeout, 0); |
2090 | } | |
2091 | ||
66562e9c JM |
2092 | if (wep_keys_set && |
2093 | (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC)) { | |
6fc6879b JM |
2094 | /* Set static WEP keys again */ |
2095 | wpa_set_wep_keys(wpa_s, ssid); | |
2096 | } | |
2097 | ||
2098 | if (wpa_s->current_ssid && wpa_s->current_ssid != ssid) { | |
2099 | /* | |
2100 | * Do not allow EAP session resumption between different | |
2101 | * network configurations. | |
2102 | */ | |
2103 | eapol_sm_invalidate_cached_session(wpa_s->eapol); | |
2104 | } | |
8bac466b | 2105 | old_ssid = wpa_s->current_ssid; |
6fc6879b | 2106 | wpa_s->current_ssid = ssid; |
8f770587 | 2107 | wpa_s->current_bss = bss; |
6fc6879b JM |
2108 | wpa_supplicant_rsn_supp_set_config(wpa_s, wpa_s->current_ssid); |
2109 | wpa_supplicant_initiate_eapol(wpa_s); | |
8bac466b JM |
2110 | if (old_ssid != wpa_s->current_ssid) |
2111 | wpas_notify_network_changed(wpa_s); | |
6fc6879b JM |
2112 | } |
2113 | ||
2114 | ||
09f58c09 JM |
2115 | static void wpa_supplicant_clear_connection(struct wpa_supplicant *wpa_s, |
2116 | const u8 *addr) | |
2117 | { | |
2118 | struct wpa_ssid *old_ssid; | |
2119 | ||
c155305f | 2120 | wpas_connect_work_done(wpa_s); |
09f58c09 | 2121 | wpa_clear_keys(wpa_s, addr); |
09f58c09 | 2122 | old_ssid = wpa_s->current_ssid; |
0d30cc24 | 2123 | wpa_supplicant_mark_disassoc(wpa_s); |
09f58c09 JM |
2124 | wpa_sm_set_config(wpa_s->wpa, NULL); |
2125 | eapol_sm_notify_config(wpa_s->eapol, NULL, NULL); | |
2126 | if (old_ssid != wpa_s->current_ssid) | |
2127 | wpas_notify_network_changed(wpa_s); | |
2128 | eloop_cancel_timeout(wpa_supplicant_timeout, wpa_s, NULL); | |
2129 | } | |
2130 | ||
2131 | ||
6fc6879b JM |
2132 | /** |
2133 | * wpa_supplicant_deauthenticate - Deauthenticate the current connection | |
2134 | * @wpa_s: Pointer to wpa_supplicant data | |
2135 | * @reason_code: IEEE 802.11 reason code for the deauthenticate frame | |
2136 | * | |
073ab58f | 2137 | * This function is used to request %wpa_supplicant to deauthenticate from the |
6fc6879b JM |
2138 | * current AP. |
2139 | */ | |
2140 | void wpa_supplicant_deauthenticate(struct wpa_supplicant *wpa_s, | |
2141 | int reason_code) | |
2142 | { | |
2143 | u8 *addr = NULL; | |
ef48ff94 | 2144 | union wpa_event_data event; |
42d23547 | 2145 | int zero_addr = 0; |
8bac466b | 2146 | |
42d23547 JM |
2147 | wpa_dbg(wpa_s, MSG_DEBUG, "Request to deauthenticate - bssid=" MACSTR |
2148 | " pending_bssid=" MACSTR " reason=%d state=%s", | |
2149 | MAC2STR(wpa_s->bssid), MAC2STR(wpa_s->pending_bssid), | |
2150 | reason_code, wpa_supplicant_state_txt(wpa_s->wpa_state)); | |
2151 | ||
2152 | if (!is_zero_ether_addr(wpa_s->bssid)) | |
2153 | addr = wpa_s->bssid; | |
2154 | else if (!is_zero_ether_addr(wpa_s->pending_bssid) && | |
2155 | (wpa_s->wpa_state == WPA_AUTHENTICATING || | |
2156 | wpa_s->wpa_state == WPA_ASSOCIATING)) | |
2157 | addr = wpa_s->pending_bssid; | |
2158 | else if (wpa_s->wpa_state == WPA_ASSOCIATING) { | |
2159 | /* | |
2160 | * When using driver-based BSS selection, we may not know the | |
2161 | * BSSID with which we are currently trying to associate. We | |
2162 | * need to notify the driver of this disconnection even in such | |
2163 | * a case, so use the all zeros address here. | |
2164 | */ | |
6fc6879b | 2165 | addr = wpa_s->bssid; |
42d23547 JM |
2166 | zero_addr = 1; |
2167 | } | |
2168 | ||
7b44ff2c SD |
2169 | #ifdef CONFIG_TDLS |
2170 | wpa_tdls_teardown_peers(wpa_s->wpa); | |
2171 | #endif /* CONFIG_TDLS */ | |
2172 | ||
603a3f34 JL |
2173 | #ifdef CONFIG_MESH |
2174 | if (wpa_s->ifmsh) { | |
2175 | wpa_msg_ctrl(wpa_s, MSG_INFO, MESH_GROUP_REMOVED "%s", | |
2176 | wpa_s->ifname); | |
2177 | wpa_supplicant_leave_mesh(wpa_s); | |
2178 | } | |
2179 | #endif /* CONFIG_MESH */ | |
2180 | ||
42d23547 JM |
2181 | if (addr) { |
2182 | wpa_drv_deauthenticate(wpa_s, addr, reason_code); | |
ef48ff94 JM |
2183 | os_memset(&event, 0, sizeof(event)); |
2184 | event.deauth_info.reason_code = (u16) reason_code; | |
2185 | event.deauth_info.locally_generated = 1; | |
2186 | wpa_supplicant_event(wpa_s, EVENT_DEAUTH, &event); | |
42d23547 JM |
2187 | if (zero_addr) |
2188 | addr = NULL; | |
6fc6879b | 2189 | } |
09f58c09 JM |
2190 | |
2191 | wpa_supplicant_clear_connection(wpa_s, addr); | |
6fc6879b JM |
2192 | } |
2193 | ||
dca1a511 DS |
2194 | static void wpa_supplicant_enable_one_network(struct wpa_supplicant *wpa_s, |
2195 | struct wpa_ssid *ssid) | |
2196 | { | |
2197 | if (!ssid || !ssid->disabled || ssid->disabled == 2) | |
2198 | return; | |
2199 | ||
2200 | ssid->disabled = 0; | |
2201 | wpas_clear_temp_disabled(wpa_s, ssid, 1); | |
2202 | wpas_notify_network_enabled_changed(wpa_s, ssid); | |
2203 | ||
2204 | /* | |
2205 | * Try to reassociate since there is no current configuration and a new | |
2206 | * network was made available. | |
2207 | */ | |
d2592497 | 2208 | if (!wpa_s->current_ssid && !wpa_s->disconnected) |
dca1a511 DS |
2209 | wpa_s->reassociate = 1; |
2210 | } | |
2211 | ||
6fc6879b | 2212 | |
86b89452 WS |
2213 | /** |
2214 | * wpa_supplicant_enable_network - Mark a configured network as enabled | |
2215 | * @wpa_s: wpa_supplicant structure for a network interface | |
2216 | * @ssid: wpa_ssid structure for a configured network or %NULL | |
2217 | * | |
2218 | * Enables the specified network or all networks if no network specified. | |
2219 | */ | |
2220 | void wpa_supplicant_enable_network(struct wpa_supplicant *wpa_s, | |
2221 | struct wpa_ssid *ssid) | |
2222 | { | |
86b89452 | 2223 | if (ssid == NULL) { |
14f79078 JM |
2224 | for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) |
2225 | wpa_supplicant_enable_one_network(wpa_s, ssid); | |
dca1a511 DS |
2226 | } else |
2227 | wpa_supplicant_enable_one_network(wpa_s, ssid); | |
86b89452 | 2228 | |
d2592497 | 2229 | if (wpa_s->reassociate && !wpa_s->disconnected) { |
dca1a511 DS |
2230 | if (wpa_s->sched_scanning) { |
2231 | wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to add " | |
2232 | "new network to scan filters"); | |
2233 | wpa_supplicant_cancel_sched_scan(wpa_s); | |
2234 | } | |
86b89452 | 2235 | |
dad153d1 JM |
2236 | if (wpa_supplicant_fast_associate(wpa_s) != 1) |
2237 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
86b89452 WS |
2238 | } |
2239 | } | |
2240 | ||
2241 | ||
2242 | /** | |
2243 | * wpa_supplicant_disable_network - Mark a configured network as disabled | |
2244 | * @wpa_s: wpa_supplicant structure for a network interface | |
2245 | * @ssid: wpa_ssid structure for a configured network or %NULL | |
2246 | * | |
2247 | * Disables the specified network or all networks if no network specified. | |
2248 | */ | |
2249 | void wpa_supplicant_disable_network(struct wpa_supplicant *wpa_s, | |
2250 | struct wpa_ssid *ssid) | |
2251 | { | |
2252 | struct wpa_ssid *other_ssid; | |
2253 | int was_disabled; | |
2254 | ||
2255 | if (ssid == NULL) { | |
725fc39e DS |
2256 | if (wpa_s->sched_scanning) |
2257 | wpa_supplicant_cancel_sched_scan(wpa_s); | |
2258 | ||
4dac0245 JM |
2259 | for (other_ssid = wpa_s->conf->ssid; other_ssid; |
2260 | other_ssid = other_ssid->next) { | |
86b89452 | 2261 | was_disabled = other_ssid->disabled; |
4dac0245 JM |
2262 | if (was_disabled == 2) |
2263 | continue; /* do not change persistent P2P group | |
2264 | * data */ | |
86b89452 WS |
2265 | |
2266 | other_ssid->disabled = 1; | |
2267 | ||
2268 | if (was_disabled != other_ssid->disabled) | |
2269 | wpas_notify_network_enabled_changed( | |
2270 | wpa_s, other_ssid); | |
86b89452 WS |
2271 | } |
2272 | if (wpa_s->current_ssid) | |
07783eaa | 2273 | wpa_supplicant_deauthenticate( |
86b89452 | 2274 | wpa_s, WLAN_REASON_DEAUTH_LEAVING); |
4dac0245 | 2275 | } else if (ssid->disabled != 2) { |
86b89452 | 2276 | if (ssid == wpa_s->current_ssid) |
07783eaa | 2277 | wpa_supplicant_deauthenticate( |
86b89452 WS |
2278 | wpa_s, WLAN_REASON_DEAUTH_LEAVING); |
2279 | ||
2280 | was_disabled = ssid->disabled; | |
2281 | ||
2282 | ssid->disabled = 1; | |
2283 | ||
725fc39e | 2284 | if (was_disabled != ssid->disabled) { |
86b89452 | 2285 | wpas_notify_network_enabled_changed(wpa_s, ssid); |
725fc39e DS |
2286 | if (wpa_s->sched_scanning) { |
2287 | wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan " | |
2288 | "to remove network from filters"); | |
2289 | wpa_supplicant_cancel_sched_scan(wpa_s); | |
2290 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
2291 | } | |
2292 | } | |
86b89452 WS |
2293 | } |
2294 | } | |
2295 | ||
2296 | ||
2297 | /** | |
2298 | * wpa_supplicant_select_network - Attempt association with a network | |
2299 | * @wpa_s: wpa_supplicant structure for a network interface | |
2300 | * @ssid: wpa_ssid structure for a configured network or %NULL for any network | |
2301 | */ | |
2302 | void wpa_supplicant_select_network(struct wpa_supplicant *wpa_s, | |
2303 | struct wpa_ssid *ssid) | |
2304 | { | |
2305 | ||
2306 | struct wpa_ssid *other_ssid; | |
d93dfbd5 | 2307 | int disconnected = 0; |
86b89452 | 2308 | |
d93dfbd5 | 2309 | if (ssid && ssid != wpa_s->current_ssid && wpa_s->current_ssid) { |
07783eaa | 2310 | wpa_supplicant_deauthenticate( |
86b89452 | 2311 | wpa_s, WLAN_REASON_DEAUTH_LEAVING); |
d93dfbd5 JM |
2312 | disconnected = 1; |
2313 | } | |
86b89452 | 2314 | |
00e5e3d5 JM |
2315 | if (ssid) |
2316 | wpas_clear_temp_disabled(wpa_s, ssid, 1); | |
2317 | ||
86b89452 WS |
2318 | /* |
2319 | * Mark all other networks disabled or mark all networks enabled if no | |
2320 | * network specified. | |
2321 | */ | |
4dac0245 JM |
2322 | for (other_ssid = wpa_s->conf->ssid; other_ssid; |
2323 | other_ssid = other_ssid->next) { | |
86b89452 | 2324 | int was_disabled = other_ssid->disabled; |
4dac0245 JM |
2325 | if (was_disabled == 2) |
2326 | continue; /* do not change persistent P2P group data */ | |
86b89452 WS |
2327 | |
2328 | other_ssid->disabled = ssid ? (ssid->id != other_ssid->id) : 0; | |
00e5e3d5 JM |
2329 | if (was_disabled && !other_ssid->disabled) |
2330 | wpas_clear_temp_disabled(wpa_s, other_ssid, 0); | |
86b89452 WS |
2331 | |
2332 | if (was_disabled != other_ssid->disabled) | |
2333 | wpas_notify_network_enabled_changed(wpa_s, other_ssid); | |
86b89452 | 2334 | } |
2a6f78fb JJ |
2335 | |
2336 | if (ssid && ssid == wpa_s->current_ssid && wpa_s->current_ssid) { | |
2337 | /* We are already associated with the selected network */ | |
2338 | wpa_printf(MSG_DEBUG, "Already associated with the " | |
2339 | "selected network - do nothing"); | |
2340 | return; | |
2341 | } | |
2342 | ||
25a8f9e3 | 2343 | if (ssid) { |
96efeeb6 | 2344 | wpa_s->current_ssid = ssid; |
25a8f9e3 | 2345 | eapol_sm_notify_config(wpa_s->eapol, NULL, NULL); |
603a3f34 JL |
2346 | wpa_s->connect_without_scan = |
2347 | (ssid->mode == WPAS_MODE_MESH) ? ssid : NULL; | |
2348 | } else { | |
2349 | wpa_s->connect_without_scan = NULL; | |
25a8f9e3 | 2350 | } |
603a3f34 | 2351 | |
86b89452 WS |
2352 | wpa_s->disconnected = 0; |
2353 | wpa_s->reassociate = 1; | |
cecdddc1 PS |
2354 | |
2355 | if (wpa_supplicant_fast_associate(wpa_s) != 1) | |
2356 | wpa_supplicant_req_scan(wpa_s, 0, disconnected ? 100000 : 0); | |
86b89452 | 2357 | |
a1641d26 JM |
2358 | if (ssid) |
2359 | wpas_notify_network_selected(wpa_s, ssid); | |
86b89452 WS |
2360 | } |
2361 | ||
2362 | ||
bdec7ee5 MS |
2363 | /** |
2364 | * wpas_set_pkcs11_engine_and_module_path - Set PKCS #11 engine and module path | |
2365 | * @wpa_s: wpa_supplicant structure for a network interface | |
2366 | * @pkcs11_engine_path: PKCS #11 engine path or NULL | |
2367 | * @pkcs11_module_path: PKCS #11 module path or NULL | |
2368 | * Returns: 0 on success; -1 on failure | |
2369 | * | |
2370 | * Sets the PKCS #11 engine and module path. Both have to be NULL or a valid | |
2371 | * path. If resetting the EAPOL state machine with the new PKCS #11 engine and | |
2372 | * module path fails the paths will be reset to the default value (NULL). | |
2373 | */ | |
2374 | int wpas_set_pkcs11_engine_and_module_path(struct wpa_supplicant *wpa_s, | |
2375 | const char *pkcs11_engine_path, | |
2376 | const char *pkcs11_module_path) | |
2377 | { | |
2378 | char *pkcs11_engine_path_copy = NULL; | |
2379 | char *pkcs11_module_path_copy = NULL; | |
2380 | ||
2381 | if (pkcs11_engine_path != NULL) { | |
2382 | pkcs11_engine_path_copy = os_strdup(pkcs11_engine_path); | |
2383 | if (pkcs11_engine_path_copy == NULL) | |
2384 | return -1; | |
2385 | } | |
2386 | if (pkcs11_module_path != NULL) { | |
2387 | pkcs11_module_path_copy = os_strdup(pkcs11_module_path); | |
04c366cb | 2388 | if (pkcs11_module_path_copy == NULL) { |
bdec7ee5 MS |
2389 | os_free(pkcs11_engine_path_copy); |
2390 | return -1; | |
2391 | } | |
2392 | } | |
2393 | ||
2394 | os_free(wpa_s->conf->pkcs11_engine_path); | |
2395 | os_free(wpa_s->conf->pkcs11_module_path); | |
2396 | wpa_s->conf->pkcs11_engine_path = pkcs11_engine_path_copy; | |
2397 | wpa_s->conf->pkcs11_module_path = pkcs11_module_path_copy; | |
2398 | ||
2399 | wpa_sm_set_eapol(wpa_s->wpa, NULL); | |
2400 | eapol_sm_deinit(wpa_s->eapol); | |
2401 | wpa_s->eapol = NULL; | |
2402 | if (wpa_supplicant_init_eapol(wpa_s)) { | |
2403 | /* Error -> Reset paths to the default value (NULL) once. */ | |
2404 | if (pkcs11_engine_path != NULL && pkcs11_module_path != NULL) | |
2405 | wpas_set_pkcs11_engine_and_module_path(wpa_s, NULL, | |
2406 | NULL); | |
2407 | ||
2408 | return -1; | |
2409 | } | |
2410 | wpa_sm_set_eapol(wpa_s->wpa, wpa_s->eapol); | |
2411 | ||
2412 | return 0; | |
2413 | } | |
2414 | ||
2415 | ||
86b89452 WS |
2416 | /** |
2417 | * wpa_supplicant_set_ap_scan - Set AP scan mode for interface | |
2418 | * @wpa_s: wpa_supplicant structure for a network interface | |
2419 | * @ap_scan: AP scan mode | |
2420 | * Returns: 0 if succeed or -1 if ap_scan has an invalid value | |
2421 | * | |
2422 | */ | |
2423 | int wpa_supplicant_set_ap_scan(struct wpa_supplicant *wpa_s, int ap_scan) | |
2424 | { | |
2425 | ||
2426 | int old_ap_scan; | |
2427 | ||
2428 | if (ap_scan < 0 || ap_scan > 2) | |
2429 | return -1; | |
2430 | ||
48f8e036 DS |
2431 | #ifdef ANDROID |
2432 | if (ap_scan == 2 && ap_scan != wpa_s->conf->ap_scan && | |
2433 | wpa_s->wpa_state >= WPA_ASSOCIATING && | |
2434 | wpa_s->wpa_state < WPA_COMPLETED) { | |
2435 | wpa_printf(MSG_ERROR, "ap_scan = %d (%d) rejected while " | |
2436 | "associating", wpa_s->conf->ap_scan, ap_scan); | |
2437 | return 0; | |
2438 | } | |
2439 | #endif /* ANDROID */ | |
2440 | ||
86b89452 WS |
2441 | old_ap_scan = wpa_s->conf->ap_scan; |
2442 | wpa_s->conf->ap_scan = ap_scan; | |
2443 | ||
2444 | if (old_ap_scan != wpa_s->conf->ap_scan) | |
2445 | wpas_notify_ap_scan_changed(wpa_s); | |
2446 | ||
2447 | return 0; | |
2448 | } | |
2449 | ||
2450 | ||
78633c37 SL |
2451 | /** |
2452 | * wpa_supplicant_set_bss_expiration_age - Set BSS entry expiration age | |
2453 | * @wpa_s: wpa_supplicant structure for a network interface | |
2454 | * @expire_age: Expiration age in seconds | |
2455 | * Returns: 0 if succeed or -1 if expire_age has an invalid value | |
2456 | * | |
2457 | */ | |
2458 | int wpa_supplicant_set_bss_expiration_age(struct wpa_supplicant *wpa_s, | |
2459 | unsigned int bss_expire_age) | |
2460 | { | |
2461 | if (bss_expire_age < 10) { | |
2462 | wpa_msg(wpa_s, MSG_ERROR, "Invalid bss expiration age %u", | |
2463 | bss_expire_age); | |
2464 | return -1; | |
2465 | } | |
2466 | wpa_msg(wpa_s, MSG_DEBUG, "Setting bss expiration age: %d sec", | |
2467 | bss_expire_age); | |
2468 | wpa_s->conf->bss_expiration_age = bss_expire_age; | |
2469 | ||
2470 | return 0; | |
2471 | } | |
2472 | ||
2473 | ||
2474 | /** | |
2475 | * wpa_supplicant_set_bss_expiration_count - Set BSS entry expiration scan count | |
2476 | * @wpa_s: wpa_supplicant structure for a network interface | |
2477 | * @expire_count: number of scans after which an unseen BSS is reclaimed | |
2478 | * Returns: 0 if succeed or -1 if expire_count has an invalid value | |
2479 | * | |
2480 | */ | |
2481 | int wpa_supplicant_set_bss_expiration_count(struct wpa_supplicant *wpa_s, | |
2482 | unsigned int bss_expire_count) | |
2483 | { | |
2484 | if (bss_expire_count < 1) { | |
2485 | wpa_msg(wpa_s, MSG_ERROR, "Invalid bss expiration count %u", | |
2486 | bss_expire_count); | |
2487 | return -1; | |
2488 | } | |
2489 | wpa_msg(wpa_s, MSG_DEBUG, "Setting bss expiration scan count: %u", | |
2490 | bss_expire_count); | |
2491 | wpa_s->conf->bss_expiration_scan_count = bss_expire_count; | |
2492 | ||
2493 | return 0; | |
2494 | } | |
2495 | ||
2496 | ||
c6e86b63 MA |
2497 | /** |
2498 | * wpa_supplicant_set_scan_interval - Set scan interval | |
2499 | * @wpa_s: wpa_supplicant structure for a network interface | |
2500 | * @scan_interval: scan interval in seconds | |
2501 | * Returns: 0 if succeed or -1 if scan_interval has an invalid value | |
2502 | * | |
2503 | */ | |
2504 | int wpa_supplicant_set_scan_interval(struct wpa_supplicant *wpa_s, | |
2505 | int scan_interval) | |
2506 | { | |
2507 | if (scan_interval < 0) { | |
2508 | wpa_msg(wpa_s, MSG_ERROR, "Invalid scan interval %d", | |
2509 | scan_interval); | |
2510 | return -1; | |
2511 | } | |
2512 | wpa_msg(wpa_s, MSG_DEBUG, "Setting scan interval: %d sec", | |
2513 | scan_interval); | |
9e737f08 | 2514 | wpa_supplicant_update_scan_int(wpa_s, scan_interval); |
c6e86b63 MA |
2515 | |
2516 | return 0; | |
2517 | } | |
2518 | ||
2519 | ||
86b89452 WS |
2520 | /** |
2521 | * wpa_supplicant_set_debug_params - Set global debug params | |
2522 | * @global: wpa_global structure | |
2523 | * @debug_level: debug level | |
2524 | * @debug_timestamp: determines if show timestamp in debug data | |
2525 | * @debug_show_keys: determines if show keys in debug data | |
2526 | * Returns: 0 if succeed or -1 if debug_level has wrong value | |
2527 | */ | |
2528 | int wpa_supplicant_set_debug_params(struct wpa_global *global, int debug_level, | |
2529 | int debug_timestamp, int debug_show_keys) | |
2530 | { | |
2531 | ||
2532 | int old_level, old_timestamp, old_show_keys; | |
2533 | ||
2534 | /* check for allowed debuglevels */ | |
14dc0011 PS |
2535 | if (debug_level != MSG_EXCESSIVE && |
2536 | debug_level != MSG_MSGDUMP && | |
86b89452 WS |
2537 | debug_level != MSG_DEBUG && |
2538 | debug_level != MSG_INFO && | |
2539 | debug_level != MSG_WARNING && | |
2540 | debug_level != MSG_ERROR) | |
2541 | return -1; | |
2542 | ||
2543 | old_level = wpa_debug_level; | |
2544 | old_timestamp = wpa_debug_timestamp; | |
2545 | old_show_keys = wpa_debug_show_keys; | |
2546 | ||
2547 | wpa_debug_level = debug_level; | |
2548 | wpa_debug_timestamp = debug_timestamp ? 1 : 0; | |
2549 | wpa_debug_show_keys = debug_show_keys ? 1 : 0; | |
2550 | ||
db9133ac WS |
2551 | if (wpa_debug_level != old_level) |
2552 | wpas_notify_debug_level_changed(global); | |
2553 | if (wpa_debug_timestamp != old_timestamp) | |
2554 | wpas_notify_debug_timestamp_changed(global); | |
2555 | if (wpa_debug_show_keys != old_show_keys) | |
2556 | wpas_notify_debug_show_keys_changed(global); | |
86b89452 WS |
2557 | |
2558 | return 0; | |
2559 | } | |
2560 | ||
2561 | ||
6fc6879b JM |
2562 | /** |
2563 | * wpa_supplicant_get_ssid - Get a pointer to the current network structure | |
2564 | * @wpa_s: Pointer to wpa_supplicant data | |
2565 | * Returns: A pointer to the current network structure or %NULL on failure | |
2566 | */ | |
2567 | struct wpa_ssid * wpa_supplicant_get_ssid(struct wpa_supplicant *wpa_s) | |
2568 | { | |
2569 | struct wpa_ssid *entry; | |
2570 | u8 ssid[MAX_SSID_LEN]; | |
2571 | int res; | |
2572 | size_t ssid_len; | |
2573 | u8 bssid[ETH_ALEN]; | |
2574 | int wired; | |
2575 | ||
17fbb751 JM |
2576 | res = wpa_drv_get_ssid(wpa_s, ssid); |
2577 | if (res < 0) { | |
2578 | wpa_msg(wpa_s, MSG_WARNING, "Could not read SSID from " | |
2579 | "driver"); | |
2580 | return NULL; | |
6fc6879b | 2581 | } |
17fbb751 | 2582 | ssid_len = res; |
6fc6879b | 2583 | |
17fbb751 | 2584 | if (wpa_drv_get_bssid(wpa_s, bssid) < 0) { |
f049052b BG |
2585 | wpa_msg(wpa_s, MSG_WARNING, "Could not read BSSID from " |
2586 | "driver"); | |
6fc6879b JM |
2587 | return NULL; |
2588 | } | |
2589 | ||
c2a04078 JM |
2590 | wired = wpa_s->conf->ap_scan == 0 && |
2591 | (wpa_s->drv_flags & WPA_DRIVER_FLAGS_WIRED); | |
6fc6879b JM |
2592 | |
2593 | entry = wpa_s->conf->ssid; | |
2594 | while (entry) { | |
349493bd | 2595 | if (!wpas_network_disabled(wpa_s, entry) && |
6fc6879b JM |
2596 | ((ssid_len == entry->ssid_len && |
2597 | os_memcmp(ssid, entry->ssid, ssid_len) == 0) || wired) && | |
2598 | (!entry->bssid_set || | |
2599 | os_memcmp(bssid, entry->bssid, ETH_ALEN) == 0)) | |
2600 | return entry; | |
24c23d1b | 2601 | #ifdef CONFIG_WPS |
349493bd | 2602 | if (!wpas_network_disabled(wpa_s, entry) && |
24c23d1b JM |
2603 | (entry->key_mgmt & WPA_KEY_MGMT_WPS) && |
2604 | (entry->ssid == NULL || entry->ssid_len == 0) && | |
2605 | (!entry->bssid_set || | |
2606 | os_memcmp(bssid, entry->bssid, ETH_ALEN) == 0)) | |
2607 | return entry; | |
2608 | #endif /* CONFIG_WPS */ | |
7d232e23 | 2609 | |
349493bd | 2610 | if (!wpas_network_disabled(wpa_s, entry) && entry->bssid_set && |
7d232e23 ZC |
2611 | entry->ssid_len == 0 && |
2612 | os_memcmp(bssid, entry->bssid, ETH_ALEN) == 0) | |
2613 | return entry; | |
2614 | ||
6fc6879b JM |
2615 | entry = entry->next; |
2616 | } | |
2617 | ||
2618 | return NULL; | |
2619 | } | |
2620 | ||
2621 | ||
7756114f JM |
2622 | static int select_driver(struct wpa_supplicant *wpa_s, int i) |
2623 | { | |
2624 | struct wpa_global *global = wpa_s->global; | |
2625 | ||
2626 | if (wpa_drivers[i]->global_init && global->drv_priv[i] == NULL) { | |
2627 | global->drv_priv[i] = wpa_drivers[i]->global_init(); | |
2628 | if (global->drv_priv[i] == NULL) { | |
2629 | wpa_printf(MSG_ERROR, "Failed to initialize driver " | |
2630 | "'%s'", wpa_drivers[i]->name); | |
2631 | return -1; | |
2632 | } | |
2633 | } | |
2634 | ||
2635 | wpa_s->driver = wpa_drivers[i]; | |
2636 | wpa_s->global_drv_priv = global->drv_priv[i]; | |
2637 | ||
2638 | return 0; | |
2639 | } | |
2640 | ||
2641 | ||
6fc6879b JM |
2642 | static int wpa_supplicant_set_driver(struct wpa_supplicant *wpa_s, |
2643 | const char *name) | |
2644 | { | |
2645 | int i; | |
362f781e | 2646 | size_t len; |
74b1c84a | 2647 | const char *pos, *driver = name; |
6fc6879b JM |
2648 | |
2649 | if (wpa_s == NULL) | |
2650 | return -1; | |
2651 | ||
c5121837 | 2652 | if (wpa_drivers[0] == NULL) { |
f049052b BG |
2653 | wpa_msg(wpa_s, MSG_ERROR, "No driver interfaces build into " |
2654 | "wpa_supplicant"); | |
6fc6879b JM |
2655 | return -1; |
2656 | } | |
2657 | ||
2658 | if (name == NULL) { | |
2659 | /* default to first driver in the list */ | |
7756114f | 2660 | return select_driver(wpa_s, 0); |
6fc6879b JM |
2661 | } |
2662 | ||
74b1c84a SO |
2663 | do { |
2664 | pos = os_strchr(driver, ','); | |
2665 | if (pos) | |
2666 | len = pos - driver; | |
2667 | else | |
2668 | len = os_strlen(driver); | |
2669 | ||
2670 | for (i = 0; wpa_drivers[i]; i++) { | |
2671 | if (os_strlen(wpa_drivers[i]->name) == len && | |
2672 | os_strncmp(driver, wpa_drivers[i]->name, len) == | |
0f4668ce DW |
2673 | 0) { |
2674 | /* First driver that succeeds wins */ | |
2675 | if (select_driver(wpa_s, i) == 0) | |
2676 | return 0; | |
2677 | } | |
6fc6879b | 2678 | } |
74b1c84a SO |
2679 | |
2680 | driver = pos + 1; | |
2681 | } while (pos); | |
6fc6879b | 2682 | |
f049052b | 2683 | wpa_msg(wpa_s, MSG_ERROR, "Unsupported driver '%s'", name); |
6fc6879b JM |
2684 | return -1; |
2685 | } | |
2686 | ||
2687 | ||
a8e0505b JM |
2688 | /** |
2689 | * wpa_supplicant_rx_eapol - Deliver a received EAPOL frame to wpa_supplicant | |
2690 | * @ctx: Context pointer (wpa_s); this is the ctx variable registered | |
2691 | * with struct wpa_driver_ops::init() | |
2692 | * @src_addr: Source address of the EAPOL frame | |
2693 | * @buf: EAPOL data starting from the EAPOL header (i.e., no Ethernet header) | |
2694 | * @len: Length of the EAPOL data | |
2695 | * | |
2696 | * This function is called for each received EAPOL frame. Most driver | |
2697 | * interfaces rely on more generic OS mechanism for receiving frames through | |
2698 | * l2_packet, but if such a mechanism is not available, the driver wrapper may | |
2699 | * take care of received EAPOL frames and deliver them to the core supplicant | |
2700 | * code by calling this function. | |
2701 | */ | |
6fc6879b JM |
2702 | void wpa_supplicant_rx_eapol(void *ctx, const u8 *src_addr, |
2703 | const u8 *buf, size_t len) | |
2704 | { | |
2705 | struct wpa_supplicant *wpa_s = ctx; | |
2706 | ||
f049052b | 2707 | wpa_dbg(wpa_s, MSG_DEBUG, "RX EAPOL from " MACSTR, MAC2STR(src_addr)); |
6fc6879b JM |
2708 | wpa_hexdump(MSG_MSGDUMP, "RX EAPOL", buf, len); |
2709 | ||
db76aa64 JM |
2710 | #ifdef CONFIG_PEERKEY |
2711 | if (wpa_s->wpa_state > WPA_ASSOCIATED && wpa_s->current_ssid && | |
2712 | wpa_s->current_ssid->peerkey && | |
2713 | !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) && | |
2714 | wpa_sm_rx_eapol_peerkey(wpa_s->wpa, src_addr, buf, len) == 1) { | |
2715 | wpa_dbg(wpa_s, MSG_DEBUG, "RSN: Processed PeerKey EAPOL-Key"); | |
2716 | return; | |
2717 | } | |
2718 | #endif /* CONFIG_PEERKEY */ | |
2719 | ||
3ab35a66 JM |
2720 | if (wpa_s->wpa_state < WPA_ASSOCIATED || |
2721 | (wpa_s->last_eapol_matches_bssid && | |
2722 | #ifdef CONFIG_AP | |
2723 | !wpa_s->ap_iface && | |
2724 | #endif /* CONFIG_AP */ | |
2725 | os_memcmp(src_addr, wpa_s->bssid, ETH_ALEN) != 0)) { | |
1ff73338 JM |
2726 | /* |
2727 | * There is possible race condition between receiving the | |
2728 | * association event and the EAPOL frame since they are coming | |
2729 | * through different paths from the driver. In order to avoid | |
2730 | * issues in trying to process the EAPOL frame before receiving | |
2731 | * association information, lets queue it for processing until | |
3ab35a66 JM |
2732 | * the association event is received. This may also be needed in |
2733 | * driver-based roaming case, so also use src_addr != BSSID as a | |
2734 | * trigger if we have previously confirmed that the | |
2735 | * Authenticator uses BSSID as the src_addr (which is not the | |
2736 | * case with wired IEEE 802.1X). | |
1ff73338 | 2737 | */ |
f049052b | 2738 | wpa_dbg(wpa_s, MSG_DEBUG, "Not associated - Delay processing " |
3ab35a66 JM |
2739 | "of received EAPOL frame (state=%s bssid=" MACSTR ")", |
2740 | wpa_supplicant_state_txt(wpa_s->wpa_state), | |
2741 | MAC2STR(wpa_s->bssid)); | |
1ff73338 JM |
2742 | wpabuf_free(wpa_s->pending_eapol_rx); |
2743 | wpa_s->pending_eapol_rx = wpabuf_alloc_copy(buf, len); | |
2744 | if (wpa_s->pending_eapol_rx) { | |
c2be937c | 2745 | os_get_reltime(&wpa_s->pending_eapol_rx_time); |
1ff73338 JM |
2746 | os_memcpy(wpa_s->pending_eapol_rx_src, src_addr, |
2747 | ETH_ALEN); | |
2748 | } | |
2749 | return; | |
2750 | } | |
2751 | ||
3ab35a66 JM |
2752 | wpa_s->last_eapol_matches_bssid = |
2753 | os_memcmp(src_addr, wpa_s->bssid, ETH_ALEN) == 0; | |
2754 | ||
db149ac9 JM |
2755 | #ifdef CONFIG_AP |
2756 | if (wpa_s->ap_iface) { | |
2757 | wpa_supplicant_ap_rx_eapol(wpa_s, src_addr, buf, len); | |
2758 | return; | |
2759 | } | |
2760 | #endif /* CONFIG_AP */ | |
2761 | ||
6fc6879b | 2762 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE) { |
f049052b BG |
2763 | wpa_dbg(wpa_s, MSG_DEBUG, "Ignored received EAPOL frame since " |
2764 | "no key management is configured"); | |
6fc6879b JM |
2765 | return; |
2766 | } | |
2767 | ||
2768 | if (wpa_s->eapol_received == 0 && | |
c2a04078 | 2769 | (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) || |
56586197 | 2770 | !wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) || |
9c972abb JM |
2771 | wpa_s->wpa_state != WPA_COMPLETED) && |
2772 | (wpa_s->current_ssid == NULL || | |
2773 | wpa_s->current_ssid->mode != IEEE80211_MODE_IBSS)) { | |
6fc6879b JM |
2774 | /* Timeout for completing IEEE 802.1X and WPA authentication */ |
2775 | wpa_supplicant_req_auth_timeout( | |
2776 | wpa_s, | |
56586197 | 2777 | (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) || |
a6f06dab AT |
2778 | wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA || |
2779 | wpa_s->key_mgmt == WPA_KEY_MGMT_WPS) ? | |
6fc6879b JM |
2780 | 70 : 10, 0); |
2781 | } | |
2782 | wpa_s->eapol_received++; | |
2783 | ||
2784 | if (wpa_s->countermeasures) { | |
f049052b BG |
2785 | wpa_msg(wpa_s, MSG_INFO, "WPA: Countermeasures - dropped " |
2786 | "EAPOL packet"); | |
6fc6879b JM |
2787 | return; |
2788 | } | |
2789 | ||
8be18440 JM |
2790 | #ifdef CONFIG_IBSS_RSN |
2791 | if (wpa_s->current_ssid && | |
d7dcba70 | 2792 | wpa_s->current_ssid->mode == WPAS_MODE_IBSS) { |
8be18440 JM |
2793 | ibss_rsn_rx_eapol(wpa_s->ibss_rsn, src_addr, buf, len); |
2794 | return; | |
2795 | } | |
2796 | #endif /* CONFIG_IBSS_RSN */ | |
2797 | ||
6fc6879b JM |
2798 | /* Source address of the incoming EAPOL frame could be compared to the |
2799 | * current BSSID. However, it is possible that a centralized | |
2800 | * Authenticator could be using another MAC address than the BSSID of | |
2801 | * an AP, so just allow any address to be used for now. The replies are | |
2802 | * still sent to the current BSSID (if available), though. */ | |
2803 | ||
2804 | os_memcpy(wpa_s->last_eapol_src, src_addr, ETH_ALEN); | |
56586197 | 2805 | if (!wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) && |
6fc6879b JM |
2806 | eapol_sm_rx_eapol(wpa_s->eapol, src_addr, buf, len) > 0) |
2807 | return; | |
2808 | wpa_drv_poll(wpa_s); | |
c2a04078 | 2809 | if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE)) |
6fc6879b | 2810 | wpa_sm_rx_eapol(wpa_s->wpa, src_addr, buf, len); |
56586197 | 2811 | else if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) { |
6fc6879b JM |
2812 | /* |
2813 | * Set portValid = TRUE here since we are going to skip 4-way | |
2814 | * handshake processing which would normally set portValid. We | |
2815 | * need this to allow the EAPOL state machines to be completed | |
2816 | * without going through EAPOL-Key handshake. | |
2817 | */ | |
2818 | eapol_sm_notify_portValid(wpa_s->eapol, TRUE); | |
2819 | } | |
2820 | } | |
2821 | ||
2822 | ||
bfba8deb | 2823 | int wpa_supplicant_update_mac_addr(struct wpa_supplicant *wpa_s) |
6fc6879b | 2824 | { |
6fc6879b JM |
2825 | if (wpa_s->driver->send_eapol) { |
2826 | const u8 *addr = wpa_drv_get_mac_addr(wpa_s); | |
2827 | if (addr) | |
2828 | os_memcpy(wpa_s->own_addr, addr, ETH_ALEN); | |
1c42b42f JM |
2829 | } else if ((!wpa_s->p2p_mgmt || |
2830 | !(wpa_s->drv_flags & | |
2831 | WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)) && | |
c68f6200 | 2832 | !(wpa_s->drv_flags & |
fdadd5fe | 2833 | WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE)) { |
bfba8deb | 2834 | l2_packet_deinit(wpa_s->l2); |
6fc6879b JM |
2835 | wpa_s->l2 = l2_packet_init(wpa_s->ifname, |
2836 | wpa_drv_get_mac_addr(wpa_s), | |
2837 | ETH_P_EAPOL, | |
2838 | wpa_supplicant_rx_eapol, wpa_s, 0); | |
2839 | if (wpa_s->l2 == NULL) | |
2840 | return -1; | |
fdadd5fe JM |
2841 | } else { |
2842 | const u8 *addr = wpa_drv_get_mac_addr(wpa_s); | |
2843 | if (addr) | |
2844 | os_memcpy(wpa_s->own_addr, addr, ETH_ALEN); | |
6fc6879b JM |
2845 | } |
2846 | ||
2847 | if (wpa_s->l2 && l2_packet_get_own_addr(wpa_s->l2, wpa_s->own_addr)) { | |
f049052b | 2848 | wpa_msg(wpa_s, MSG_ERROR, "Failed to get own L2 address"); |
6fc6879b JM |
2849 | return -1; |
2850 | } | |
2851 | ||
c267753b JM |
2852 | wpa_sm_set_own_addr(wpa_s->wpa, wpa_s->own_addr); |
2853 | ||
bfba8deb JM |
2854 | return 0; |
2855 | } | |
2856 | ||
2857 | ||
25f839c6 JM |
2858 | static void wpa_supplicant_rx_eapol_bridge(void *ctx, const u8 *src_addr, |
2859 | const u8 *buf, size_t len) | |
2860 | { | |
2861 | struct wpa_supplicant *wpa_s = ctx; | |
2862 | const struct l2_ethhdr *eth; | |
2863 | ||
2864 | if (len < sizeof(*eth)) | |
2865 | return; | |
2866 | eth = (const struct l2_ethhdr *) buf; | |
2867 | ||
2868 | if (os_memcmp(eth->h_dest, wpa_s->own_addr, ETH_ALEN) != 0 && | |
2869 | !(eth->h_dest[0] & 0x01)) { | |
2870 | wpa_dbg(wpa_s, MSG_DEBUG, "RX EAPOL from " MACSTR " to " MACSTR | |
2871 | " (bridge - not for this interface - ignore)", | |
2872 | MAC2STR(src_addr), MAC2STR(eth->h_dest)); | |
2873 | return; | |
2874 | } | |
2875 | ||
2876 | wpa_dbg(wpa_s, MSG_DEBUG, "RX EAPOL from " MACSTR " to " MACSTR | |
2877 | " (bridge)", MAC2STR(src_addr), MAC2STR(eth->h_dest)); | |
2878 | wpa_supplicant_rx_eapol(wpa_s, src_addr, buf + sizeof(*eth), | |
2879 | len - sizeof(*eth)); | |
2880 | } | |
2881 | ||
2882 | ||
bfba8deb JM |
2883 | /** |
2884 | * wpa_supplicant_driver_init - Initialize driver interface parameters | |
2885 | * @wpa_s: Pointer to wpa_supplicant data | |
2886 | * Returns: 0 on success, -1 on failure | |
2887 | * | |
2888 | * This function is called to initialize driver interface parameters. | |
2889 | * wpa_drv_init() must have been called before this function to initialize the | |
2890 | * driver interface. | |
2891 | */ | |
2892 | int wpa_supplicant_driver_init(struct wpa_supplicant *wpa_s) | |
2893 | { | |
2894 | static int interface_count = 0; | |
2895 | ||
2896 | if (wpa_supplicant_update_mac_addr(wpa_s) < 0) | |
2897 | return -1; | |
2898 | ||
c68f6200 AS |
2899 | wpa_dbg(wpa_s, MSG_DEBUG, "Own MAC address: " MACSTR, |
2900 | MAC2STR(wpa_s->own_addr)); | |
a313d17d | 2901 | os_memcpy(wpa_s->perm_addr, wpa_s->own_addr, ETH_ALEN); |
c68f6200 AS |
2902 | wpa_sm_set_own_addr(wpa_s->wpa, wpa_s->own_addr); |
2903 | ||
6fc6879b | 2904 | if (wpa_s->bridge_ifname[0]) { |
f049052b BG |
2905 | wpa_dbg(wpa_s, MSG_DEBUG, "Receiving packets from bridge " |
2906 | "interface '%s'", wpa_s->bridge_ifname); | |
6fc6879b JM |
2907 | wpa_s->l2_br = l2_packet_init(wpa_s->bridge_ifname, |
2908 | wpa_s->own_addr, | |
2909 | ETH_P_EAPOL, | |
25f839c6 JM |
2910 | wpa_supplicant_rx_eapol_bridge, |
2911 | wpa_s, 1); | |
6fc6879b | 2912 | if (wpa_s->l2_br == NULL) { |
f049052b BG |
2913 | wpa_msg(wpa_s, MSG_ERROR, "Failed to open l2_packet " |
2914 | "connection for the bridge interface '%s'", | |
2915 | wpa_s->bridge_ifname); | |
6fc6879b JM |
2916 | return -1; |
2917 | } | |
2918 | } | |
2919 | ||
6fc6879b JM |
2920 | wpa_clear_keys(wpa_s, NULL); |
2921 | ||
2922 | /* Make sure that TKIP countermeasures are not left enabled (could | |
2923 | * happen if wpa_supplicant is killed during countermeasures. */ | |
2924 | wpa_drv_set_countermeasures(wpa_s, 0); | |
2925 | ||
f049052b | 2926 | wpa_dbg(wpa_s, MSG_DEBUG, "RSN: flushing PMKID list in the driver"); |
6fc6879b JM |
2927 | wpa_drv_flush_pmkid(wpa_s); |
2928 | ||
ba2a573c | 2929 | wpa_s->prev_scan_ssid = WILDCARD_SSID_SCAN; |
b3aa456b ES |
2930 | wpa_s->prev_scan_wildcard = 0; |
2931 | ||
349493bd | 2932 | if (wpa_supplicant_enabled_networks(wpa_s)) { |
a0e9d892 AS |
2933 | if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) { |
2934 | wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); | |
2935 | interface_count = 0; | |
2936 | } | |
3a94adbf | 2937 | if (!wpa_s->p2p_mgmt && |
5d0d72a3 BG |
2938 | wpa_supplicant_delayed_sched_scan(wpa_s, |
2939 | interface_count % 3, | |
6a90053c | 2940 | 100000)) |
5d0d72a3 | 2941 | wpa_supplicant_req_scan(wpa_s, interface_count % 3, |
a4cba8f1 | 2942 | 100000); |
74e259ec JM |
2943 | interface_count++; |
2944 | } else | |
2945 | wpa_supplicant_set_state(wpa_s, WPA_INACTIVE); | |
6fc6879b JM |
2946 | |
2947 | return 0; | |
2948 | } | |
2949 | ||
2950 | ||
2951 | static int wpa_supplicant_daemon(const char *pid_file) | |
2952 | { | |
2953 | wpa_printf(MSG_DEBUG, "Daemonize.."); | |
2954 | return os_daemonize(pid_file); | |
2955 | } | |
2956 | ||
2957 | ||
2958 | static struct wpa_supplicant * wpa_supplicant_alloc(void) | |
2959 | { | |
2960 | struct wpa_supplicant *wpa_s; | |
2961 | ||
2962 | wpa_s = os_zalloc(sizeof(*wpa_s)); | |
2963 | if (wpa_s == NULL) | |
2964 | return NULL; | |
4115303b | 2965 | wpa_s->scan_req = INITIAL_SCAN_REQ; |
67b9bd08 | 2966 | wpa_s->scan_interval = 5; |
c302f207 | 2967 | wpa_s->new_connection = 1; |
b22128ef | 2968 | wpa_s->parent = wpa_s; |
cbdf3507 | 2969 | wpa_s->sched_scanning = 0; |
6fc6879b JM |
2970 | |
2971 | return wpa_s; | |
2972 | } | |
2973 | ||
2974 | ||
80e8a5ee BG |
2975 | #ifdef CONFIG_HT_OVERRIDES |
2976 | ||
2977 | static int wpa_set_htcap_mcs(struct wpa_supplicant *wpa_s, | |
2978 | struct ieee80211_ht_capabilities *htcaps, | |
2979 | struct ieee80211_ht_capabilities *htcaps_mask, | |
2980 | const char *ht_mcs) | |
2981 | { | |
2982 | /* parse ht_mcs into hex array */ | |
2983 | int i; | |
2984 | const char *tmp = ht_mcs; | |
2985 | char *end = NULL; | |
2986 | ||
2987 | /* If ht_mcs is null, do not set anything */ | |
2988 | if (!ht_mcs) | |
2989 | return 0; | |
2990 | ||
2991 | /* This is what we are setting in the kernel */ | |
2992 | os_memset(&htcaps->supported_mcs_set, 0, IEEE80211_HT_MCS_MASK_LEN); | |
2993 | ||
2994 | wpa_msg(wpa_s, MSG_DEBUG, "set_htcap, ht_mcs -:%s:-", ht_mcs); | |
2995 | ||
2996 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) { | |
2997 | errno = 0; | |
2998 | long v = strtol(tmp, &end, 16); | |
2999 | if (errno == 0) { | |
3000 | wpa_msg(wpa_s, MSG_DEBUG, | |
3001 | "htcap value[%i]: %ld end: %p tmp: %p", | |
3002 | i, v, end, tmp); | |
3003 | if (end == tmp) | |
3004 | break; | |
3005 | ||
3006 | htcaps->supported_mcs_set[i] = v; | |
3007 | tmp = end; | |
3008 | } else { | |
3009 | wpa_msg(wpa_s, MSG_ERROR, | |
3010 | "Failed to parse ht-mcs: %s, error: %s\n", | |
3011 | ht_mcs, strerror(errno)); | |
3012 | return -1; | |
3013 | } | |
3014 | } | |
3015 | ||
3016 | /* | |
3017 | * If we were able to parse any values, then set mask for the MCS set. | |
3018 | */ | |
3019 | if (i) { | |
3020 | os_memset(&htcaps_mask->supported_mcs_set, 0xff, | |
3021 | IEEE80211_HT_MCS_MASK_LEN - 1); | |
3022 | /* skip the 3 reserved bits */ | |
3023 | htcaps_mask->supported_mcs_set[IEEE80211_HT_MCS_MASK_LEN - 1] = | |
3024 | 0x1f; | |
3025 | } | |
3026 | ||
3027 | return 0; | |
3028 | } | |
3029 | ||
3030 | ||
3031 | static int wpa_disable_max_amsdu(struct wpa_supplicant *wpa_s, | |
3032 | struct ieee80211_ht_capabilities *htcaps, | |
3033 | struct ieee80211_ht_capabilities *htcaps_mask, | |
3034 | int disabled) | |
3035 | { | |
5bc28571 | 3036 | le16 msk; |
80e8a5ee BG |
3037 | |
3038 | wpa_msg(wpa_s, MSG_DEBUG, "set_disable_max_amsdu: %d", disabled); | |
3039 | ||
3040 | if (disabled == -1) | |
3041 | return 0; | |
3042 | ||
3043 | msk = host_to_le16(HT_CAP_INFO_MAX_AMSDU_SIZE); | |
3044 | htcaps_mask->ht_capabilities_info |= msk; | |
3045 | if (disabled) | |
3046 | htcaps->ht_capabilities_info &= msk; | |
3047 | else | |
3048 | htcaps->ht_capabilities_info |= msk; | |
3049 | ||
3050 | return 0; | |
3051 | } | |
3052 | ||
3053 | ||
3054 | static int wpa_set_ampdu_factor(struct wpa_supplicant *wpa_s, | |
3055 | struct ieee80211_ht_capabilities *htcaps, | |
3056 | struct ieee80211_ht_capabilities *htcaps_mask, | |
3057 | int factor) | |
3058 | { | |
3059 | wpa_msg(wpa_s, MSG_DEBUG, "set_ampdu_factor: %d", factor); | |
3060 | ||
3061 | if (factor == -1) | |
3062 | return 0; | |
3063 | ||
3064 | if (factor < 0 || factor > 3) { | |
3065 | wpa_msg(wpa_s, MSG_ERROR, "ampdu_factor: %d out of range. " | |
3066 | "Must be 0-3 or -1", factor); | |
3067 | return -EINVAL; | |
3068 | } | |
3069 | ||
3070 | htcaps_mask->a_mpdu_params |= 0x3; /* 2 bits for factor */ | |
3071 | htcaps->a_mpdu_params &= ~0x3; | |
3072 | htcaps->a_mpdu_params |= factor & 0x3; | |
3073 | ||
3074 | return 0; | |
3075 | } | |
3076 | ||
3077 | ||
3078 | static int wpa_set_ampdu_density(struct wpa_supplicant *wpa_s, | |
3079 | struct ieee80211_ht_capabilities *htcaps, | |
3080 | struct ieee80211_ht_capabilities *htcaps_mask, | |
3081 | int density) | |
3082 | { | |
3083 | wpa_msg(wpa_s, MSG_DEBUG, "set_ampdu_density: %d", density); | |
3084 | ||
3085 | if (density == -1) | |
3086 | return 0; | |
3087 | ||
3088 | if (density < 0 || density > 7) { | |
3089 | wpa_msg(wpa_s, MSG_ERROR, | |
3090 | "ampdu_density: %d out of range. Must be 0-7 or -1.", | |
3091 | density); | |
3092 | return -EINVAL; | |
3093 | } | |
3094 | ||
3095 | htcaps_mask->a_mpdu_params |= 0x1C; | |
3096 | htcaps->a_mpdu_params &= ~(0x1C); | |
3097 | htcaps->a_mpdu_params |= (density << 2) & 0x1C; | |
3098 | ||
3099 | return 0; | |
3100 | } | |
3101 | ||
3102 | ||
3103 | static int wpa_set_disable_ht40(struct wpa_supplicant *wpa_s, | |
3104 | struct ieee80211_ht_capabilities *htcaps, | |
3105 | struct ieee80211_ht_capabilities *htcaps_mask, | |
3106 | int disabled) | |
3107 | { | |
3108 | /* Masking these out disables HT40 */ | |
5bc28571 JM |
3109 | le16 msk = host_to_le16(HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET | |
3110 | HT_CAP_INFO_SHORT_GI40MHZ); | |
80e8a5ee BG |
3111 | |
3112 | wpa_msg(wpa_s, MSG_DEBUG, "set_disable_ht40: %d", disabled); | |
3113 | ||
3114 | if (disabled) | |
3115 | htcaps->ht_capabilities_info &= ~msk; | |
3116 | else | |
3117 | htcaps->ht_capabilities_info |= msk; | |
3118 | ||
3119 | htcaps_mask->ht_capabilities_info |= msk; | |
3120 | ||
3121 | return 0; | |
3122 | } | |
3123 | ||
3124 | ||
a90497f8 BG |
3125 | static int wpa_set_disable_sgi(struct wpa_supplicant *wpa_s, |
3126 | struct ieee80211_ht_capabilities *htcaps, | |
3127 | struct ieee80211_ht_capabilities *htcaps_mask, | |
3128 | int disabled) | |
3129 | { | |
3130 | /* Masking these out disables SGI */ | |
5bc28571 JM |
3131 | le16 msk = host_to_le16(HT_CAP_INFO_SHORT_GI20MHZ | |
3132 | HT_CAP_INFO_SHORT_GI40MHZ); | |
a90497f8 BG |
3133 | |
3134 | wpa_msg(wpa_s, MSG_DEBUG, "set_disable_sgi: %d", disabled); | |
3135 | ||
3136 | if (disabled) | |
3137 | htcaps->ht_capabilities_info &= ~msk; | |
3138 | else | |
3139 | htcaps->ht_capabilities_info |= msk; | |
3140 | ||
3141 | htcaps_mask->ht_capabilities_info |= msk; | |
3142 | ||
3143 | return 0; | |
3144 | } | |
3145 | ||
3146 | ||
39a5800f PK |
3147 | static int wpa_set_disable_ldpc(struct wpa_supplicant *wpa_s, |
3148 | struct ieee80211_ht_capabilities *htcaps, | |
3149 | struct ieee80211_ht_capabilities *htcaps_mask, | |
3150 | int disabled) | |
3151 | { | |
3152 | /* Masking these out disables LDPC */ | |
5bc28571 | 3153 | le16 msk = host_to_le16(HT_CAP_INFO_LDPC_CODING_CAP); |
39a5800f PK |
3154 | |
3155 | wpa_msg(wpa_s, MSG_DEBUG, "set_disable_ldpc: %d", disabled); | |
3156 | ||
3157 | if (disabled) | |
3158 | htcaps->ht_capabilities_info &= ~msk; | |
3159 | else | |
3160 | htcaps->ht_capabilities_info |= msk; | |
3161 | ||
3162 | htcaps_mask->ht_capabilities_info |= msk; | |
3163 | ||
3164 | return 0; | |
3165 | } | |
3166 | ||
3167 | ||
80e8a5ee BG |
3168 | void wpa_supplicant_apply_ht_overrides( |
3169 | struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid, | |
3170 | struct wpa_driver_associate_params *params) | |
3171 | { | |
3172 | struct ieee80211_ht_capabilities *htcaps; | |
3173 | struct ieee80211_ht_capabilities *htcaps_mask; | |
3174 | ||
3175 | if (!ssid) | |
3176 | return; | |
3177 | ||
3178 | params->disable_ht = ssid->disable_ht; | |
3179 | if (!params->htcaps || !params->htcaps_mask) | |
3180 | return; | |
3181 | ||
3182 | htcaps = (struct ieee80211_ht_capabilities *) params->htcaps; | |
3183 | htcaps_mask = (struct ieee80211_ht_capabilities *) params->htcaps_mask; | |
3184 | wpa_set_htcap_mcs(wpa_s, htcaps, htcaps_mask, ssid->ht_mcs); | |
3185 | wpa_disable_max_amsdu(wpa_s, htcaps, htcaps_mask, | |
3186 | ssid->disable_max_amsdu); | |
3187 | wpa_set_ampdu_factor(wpa_s, htcaps, htcaps_mask, ssid->ampdu_factor); | |
3188 | wpa_set_ampdu_density(wpa_s, htcaps, htcaps_mask, ssid->ampdu_density); | |
3189 | wpa_set_disable_ht40(wpa_s, htcaps, htcaps_mask, ssid->disable_ht40); | |
a90497f8 | 3190 | wpa_set_disable_sgi(wpa_s, htcaps, htcaps_mask, ssid->disable_sgi); |
39a5800f | 3191 | wpa_set_disable_ldpc(wpa_s, htcaps, htcaps_mask, ssid->disable_ldpc); |
d41cc8cc JM |
3192 | |
3193 | if (ssid->ht40_intolerant) { | |
5bc28571 | 3194 | le16 bit = host_to_le16(HT_CAP_INFO_40MHZ_INTOLERANT); |
d41cc8cc JM |
3195 | htcaps->ht_capabilities_info |= bit; |
3196 | htcaps_mask->ht_capabilities_info |= bit; | |
3197 | } | |
80e8a5ee BG |
3198 | } |
3199 | ||
3200 | #endif /* CONFIG_HT_OVERRIDES */ | |
3201 | ||
3202 | ||
e9ee8dc3 JB |
3203 | #ifdef CONFIG_VHT_OVERRIDES |
3204 | void wpa_supplicant_apply_vht_overrides( | |
3205 | struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid, | |
3206 | struct wpa_driver_associate_params *params) | |
3207 | { | |
3208 | struct ieee80211_vht_capabilities *vhtcaps; | |
3209 | struct ieee80211_vht_capabilities *vhtcaps_mask; | |
4f560cde EP |
3210 | #ifdef CONFIG_HT_OVERRIDES |
3211 | int max_ampdu; | |
3212 | const u32 max_ampdu_mask = VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MAX; | |
3213 | #endif /* CONFIG_HT_OVERRIDES */ | |
e9ee8dc3 JB |
3214 | |
3215 | if (!ssid) | |
3216 | return; | |
3217 | ||
3218 | params->disable_vht = ssid->disable_vht; | |
3219 | ||
3220 | vhtcaps = (void *) params->vhtcaps; | |
3221 | vhtcaps_mask = (void *) params->vhtcaps_mask; | |
3222 | ||
3223 | if (!vhtcaps || !vhtcaps_mask) | |
3224 | return; | |
3225 | ||
3226 | vhtcaps->vht_capabilities_info = ssid->vht_capa; | |
3227 | vhtcaps_mask->vht_capabilities_info = ssid->vht_capa_mask; | |
3228 | ||
4f560cde EP |
3229 | #ifdef CONFIG_HT_OVERRIDES |
3230 | /* if max ampdu is <= 3, we have to make the HT cap the same */ | |
3231 | if (ssid->vht_capa_mask & max_ampdu_mask) { | |
3232 | max_ampdu = (ssid->vht_capa & max_ampdu_mask) >> | |
3233 | find_first_bit(max_ampdu_mask); | |
3234 | ||
3235 | max_ampdu = max_ampdu < 3 ? max_ampdu : 3; | |
3236 | wpa_set_ampdu_factor(wpa_s, | |
3237 | (void *) params->htcaps, | |
3238 | (void *) params->htcaps_mask, | |
3239 | max_ampdu); | |
3240 | } | |
3241 | #endif /* CONFIG_HT_OVERRIDES */ | |
3242 | ||
e9ee8dc3 JB |
3243 | #define OVERRIDE_MCS(i) \ |
3244 | if (ssid->vht_tx_mcs_nss_ ##i >= 0) { \ | |
3245 | vhtcaps_mask->vht_supported_mcs_set.tx_map |= \ | |
3246 | 3 << 2 * (i - 1); \ | |
3247 | vhtcaps->vht_supported_mcs_set.tx_map |= \ | |
3248 | ssid->vht_tx_mcs_nss_ ##i << 2 * (i - 1); \ | |
3249 | } \ | |
3250 | if (ssid->vht_rx_mcs_nss_ ##i >= 0) { \ | |
3251 | vhtcaps_mask->vht_supported_mcs_set.rx_map |= \ | |
3252 | 3 << 2 * (i - 1); \ | |
3253 | vhtcaps->vht_supported_mcs_set.rx_map |= \ | |
3254 | ssid->vht_rx_mcs_nss_ ##i << 2 * (i - 1); \ | |
3255 | } | |
3256 | ||
3257 | OVERRIDE_MCS(1); | |
3258 | OVERRIDE_MCS(2); | |
3259 | OVERRIDE_MCS(3); | |
3260 | OVERRIDE_MCS(4); | |
3261 | OVERRIDE_MCS(5); | |
3262 | OVERRIDE_MCS(6); | |
3263 | OVERRIDE_MCS(7); | |
3264 | OVERRIDE_MCS(8); | |
3265 | } | |
3266 | #endif /* CONFIG_VHT_OVERRIDES */ | |
3267 | ||
3268 | ||
f64adcd7 JM |
3269 | static int pcsc_reader_init(struct wpa_supplicant *wpa_s) |
3270 | { | |
3271 | #ifdef PCSC_FUNCS | |
3272 | size_t len; | |
3273 | ||
3274 | if (!wpa_s->conf->pcsc_reader) | |
3275 | return 0; | |
3276 | ||
22cf7d73 | 3277 | wpa_s->scard = scard_init(wpa_s->conf->pcsc_reader); |
f64adcd7 JM |
3278 | if (!wpa_s->scard) |
3279 | return 1; | |
3280 | ||
3281 | if (wpa_s->conf->pcsc_pin && | |
3282 | scard_set_pin(wpa_s->scard, wpa_s->conf->pcsc_pin) < 0) { | |
3283 | scard_deinit(wpa_s->scard); | |
3284 | wpa_s->scard = NULL; | |
3285 | wpa_msg(wpa_s, MSG_ERROR, "PC/SC PIN validation failed"); | |
3286 | return -1; | |
3287 | } | |
3288 | ||
3289 | len = sizeof(wpa_s->imsi) - 1; | |
3290 | if (scard_get_imsi(wpa_s->scard, wpa_s->imsi, &len)) { | |
3291 | scard_deinit(wpa_s->scard); | |
3292 | wpa_s->scard = NULL; | |
3293 | wpa_msg(wpa_s, MSG_ERROR, "Could not read IMSI"); | |
3294 | return -1; | |
3295 | } | |
3296 | wpa_s->imsi[len] = '\0'; | |
3297 | ||
3298 | wpa_s->mnc_len = scard_get_mnc_len(wpa_s->scard); | |
3299 | ||
3300 | wpa_printf(MSG_DEBUG, "SCARD: IMSI %s (MNC length %d)", | |
3301 | wpa_s->imsi, wpa_s->mnc_len); | |
3302 | ||
3303 | wpa_sm_set_scard_ctx(wpa_s->wpa, wpa_s->scard); | |
3304 | eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard); | |
3305 | #endif /* PCSC_FUNCS */ | |
3306 | ||
3307 | return 0; | |
3308 | } | |
3309 | ||
3310 | ||
306ae225 JM |
3311 | int wpas_init_ext_pw(struct wpa_supplicant *wpa_s) |
3312 | { | |
3313 | char *val, *pos; | |
3314 | ||
3315 | ext_password_deinit(wpa_s->ext_pw); | |
3316 | wpa_s->ext_pw = NULL; | |
3317 | eapol_sm_set_ext_pw_ctx(wpa_s->eapol, NULL); | |
3318 | ||
3319 | if (!wpa_s->conf->ext_password_backend) | |
3320 | return 0; | |
3321 | ||
3322 | val = os_strdup(wpa_s->conf->ext_password_backend); | |
3323 | if (val == NULL) | |
3324 | return -1; | |
3325 | pos = os_strchr(val, ':'); | |
3326 | if (pos) | |
3327 | *pos++ = '\0'; | |
3328 | ||
3329 | wpa_printf(MSG_DEBUG, "EXT PW: Initialize backend '%s'", val); | |
3330 | ||
3331 | wpa_s->ext_pw = ext_password_init(val, pos); | |
3332 | os_free(val); | |
3333 | if (wpa_s->ext_pw == NULL) { | |
3334 | wpa_printf(MSG_DEBUG, "EXT PW: Failed to initialize backend"); | |
3335 | return -1; | |
3336 | } | |
3337 | eapol_sm_set_ext_pw_ctx(wpa_s->eapol, wpa_s->ext_pw); | |
3338 | ||
3339 | return 0; | |
3340 | } | |
3341 | ||
3342 | ||
a520bf4a | 3343 | static int wpas_set_wowlan_triggers(struct wpa_supplicant *wpa_s, |
6cbdb0c5 | 3344 | const struct wpa_driver_capa *capa) |
e4fa8b12 | 3345 | { |
88cb27c7 DS |
3346 | struct wowlan_triggers *triggers; |
3347 | int ret = 0; | |
e4fa8b12 EP |
3348 | |
3349 | if (!wpa_s->conf->wowlan_triggers) | |
3350 | return 0; | |
3351 | ||
88cb27c7 DS |
3352 | triggers = wpa_get_wowlan_triggers(wpa_s->conf->wowlan_triggers, capa); |
3353 | if (triggers) { | |
3354 | ret = wpa_drv_wowlan(wpa_s, triggers); | |
3355 | os_free(triggers); | |
e4fa8b12 | 3356 | } |
e4fa8b12 EP |
3357 | return ret; |
3358 | } | |
3359 | ||
3360 | ||
202dec2a JM |
3361 | static struct wpa_radio * radio_add_interface(struct wpa_supplicant *wpa_s, |
3362 | const char *rn) | |
3363 | { | |
3364 | struct wpa_supplicant *iface = wpa_s->global->ifaces; | |
3365 | struct wpa_radio *radio; | |
3366 | ||
3367 | while (rn && iface) { | |
3368 | radio = iface->radio; | |
3369 | if (radio && os_strcmp(rn, radio->name) == 0) { | |
3370 | wpa_printf(MSG_DEBUG, "Add interface %s to existing radio %s", | |
3371 | wpa_s->ifname, rn); | |
3372 | dl_list_add(&radio->ifaces, &wpa_s->radio_list); | |
3373 | return radio; | |
3374 | } | |
b154a24e TB |
3375 | |
3376 | iface = iface->next; | |
202dec2a JM |
3377 | } |
3378 | ||
3379 | wpa_printf(MSG_DEBUG, "Add interface %s to a new radio %s", | |
3380 | wpa_s->ifname, rn ? rn : "N/A"); | |
3381 | radio = os_zalloc(sizeof(*radio)); | |
3382 | if (radio == NULL) | |
3383 | return NULL; | |
3384 | ||
3385 | if (rn) | |
3386 | os_strlcpy(radio->name, rn, sizeof(radio->name)); | |
3387 | dl_list_init(&radio->ifaces); | |
b1ae396f | 3388 | dl_list_init(&radio->work); |
202dec2a JM |
3389 | dl_list_add(&radio->ifaces, &wpa_s->radio_list); |
3390 | ||
3391 | return radio; | |
3392 | } | |
3393 | ||
3394 | ||
b1ae396f JM |
3395 | static void radio_work_free(struct wpa_radio_work *work) |
3396 | { | |
d12a51b5 JM |
3397 | if (work->wpa_s->scan_work == work) { |
3398 | /* This should not really happen. */ | |
3399 | wpa_dbg(work->wpa_s, MSG_INFO, "Freeing radio work '%s'@%p (started=%d) that is marked as scan_work", | |
3400 | work->type, work, work->started); | |
3401 | work->wpa_s->scan_work = NULL; | |
3402 | } | |
3403 | ||
1b5d4714 JM |
3404 | #ifdef CONFIG_P2P |
3405 | if (work->wpa_s->p2p_scan_work == work) { | |
3406 | /* This should not really happen. */ | |
3407 | wpa_dbg(work->wpa_s, MSG_INFO, "Freeing radio work '%s'@%p (started=%d) that is marked as p2p_scan_work", | |
3408 | work->type, work, work->started); | |
3409 | work->wpa_s->p2p_scan_work = NULL; | |
3410 | } | |
3411 | #endif /* CONFIG_P2P */ | |
3412 | ||
b1ae396f JM |
3413 | dl_list_del(&work->list); |
3414 | os_free(work); | |
3415 | } | |
3416 | ||
3417 | ||
3418 | static void radio_start_next_work(void *eloop_ctx, void *timeout_ctx) | |
3419 | { | |
3420 | struct wpa_radio *radio = eloop_ctx; | |
3421 | struct wpa_radio_work *work; | |
3422 | struct os_reltime now, diff; | |
6428d0a7 | 3423 | struct wpa_supplicant *wpa_s; |
b1ae396f JM |
3424 | |
3425 | work = dl_list_first(&radio->work, struct wpa_radio_work, list); | |
3426 | if (work == NULL) | |
3427 | return; | |
3428 | ||
3429 | if (work->started) | |
3430 | return; /* already started and still in progress */ | |
3431 | ||
6428d0a7 JM |
3432 | wpa_s = dl_list_first(&radio->ifaces, struct wpa_supplicant, |
3433 | radio_list); | |
3434 | if (wpa_s && wpa_s->external_scan_running) { | |
3435 | wpa_printf(MSG_DEBUG, "Delay radio work start until externally triggered scan completes"); | |
3436 | return; | |
3437 | } | |
3438 | ||
b1ae396f JM |
3439 | os_get_reltime(&now); |
3440 | os_reltime_sub(&now, &work->time, &diff); | |
3441 | wpa_dbg(work->wpa_s, MSG_DEBUG, "Starting radio work '%s'@%p after %ld.%06ld second wait", | |
3442 | work->type, work, diff.sec, diff.usec); | |
3443 | work->started = 1; | |
3444 | work->time = now; | |
3445 | work->cb(work, 0); | |
3446 | } | |
3447 | ||
3448 | ||
b3253ebb AO |
3449 | /* |
3450 | * This function removes both started and pending radio works running on | |
3451 | * the provided interface's radio. | |
3452 | * Prior to the removal of the radio work, its callback (cb) is called with | |
3453 | * deinit set to be 1. Each work's callback is responsible for clearing its | |
3454 | * internal data and restoring to a correct state. | |
3455 | * @wpa_s: wpa_supplicant data | |
3456 | * @type: type of works to be removed | |
3457 | * @remove_all: 1 to remove all the works on this radio, 0 to remove only | |
3458 | * this interface's works. | |
3459 | */ | |
3460 | void radio_remove_works(struct wpa_supplicant *wpa_s, | |
3461 | const char *type, int remove_all) | |
b1ae396f JM |
3462 | { |
3463 | struct wpa_radio_work *work, *tmp; | |
3464 | struct wpa_radio *radio = wpa_s->radio; | |
3465 | ||
3466 | dl_list_for_each_safe(work, tmp, &radio->work, struct wpa_radio_work, | |
3467 | list) { | |
b3253ebb | 3468 | if (type && os_strcmp(type, work->type) != 0) |
b1ae396f | 3469 | continue; |
b3253ebb AO |
3470 | |
3471 | /* skip other ifaces' works */ | |
3472 | if (!remove_all && work->wpa_s != wpa_s) | |
b1ae396f | 3473 | continue; |
b3253ebb AO |
3474 | |
3475 | wpa_dbg(wpa_s, MSG_DEBUG, "Remove radio work '%s'@%p%s", | |
3476 | work->type, work, work->started ? " (started)" : ""); | |
b1ae396f JM |
3477 | work->cb(work, 1); |
3478 | radio_work_free(work); | |
3479 | } | |
b3253ebb AO |
3480 | |
3481 | /* in case we removed the started work */ | |
3482 | radio_work_check_next(wpa_s); | |
b1ae396f JM |
3483 | } |
3484 | ||
3485 | ||
202dec2a JM |
3486 | static void radio_remove_interface(struct wpa_supplicant *wpa_s) |
3487 | { | |
3488 | struct wpa_radio *radio = wpa_s->radio; | |
3489 | ||
3490 | if (!radio) | |
3491 | return; | |
3492 | ||
3493 | wpa_printf(MSG_DEBUG, "Remove interface %s from radio %s", | |
3494 | wpa_s->ifname, radio->name); | |
3495 | dl_list_del(&wpa_s->radio_list); | |
c46235aa AO |
3496 | radio_remove_works(wpa_s, NULL, 0); |
3497 | wpa_s->radio = NULL; | |
3498 | if (!dl_list_empty(&radio->ifaces)) | |
202dec2a JM |
3499 | return; /* Interfaces remain for this radio */ |
3500 | ||
3501 | wpa_printf(MSG_DEBUG, "Remove radio %s", radio->name); | |
b1ae396f | 3502 | eloop_cancel_timeout(radio_start_next_work, radio, NULL); |
202dec2a JM |
3503 | os_free(radio); |
3504 | } | |
3505 | ||
3506 | ||
6428d0a7 | 3507 | void radio_work_check_next(struct wpa_supplicant *wpa_s) |
b1ae396f JM |
3508 | { |
3509 | struct wpa_radio *radio = wpa_s->radio; | |
3510 | ||
3511 | if (dl_list_empty(&radio->work)) | |
3512 | return; | |
3513 | eloop_cancel_timeout(radio_start_next_work, radio, NULL); | |
3514 | eloop_register_timeout(0, 0, radio_start_next_work, radio, NULL); | |
3515 | } | |
3516 | ||
3517 | ||
3518 | /** | |
3519 | * radio_add_work - Add a radio work item | |
3520 | * @wpa_s: Pointer to wpa_supplicant data | |
3521 | * @freq: Frequency of the offchannel operation in MHz or 0 | |
3522 | * @type: Unique identifier for each type of work | |
3523 | * @next: Force as the next work to be executed | |
3524 | * @cb: Callback function for indicating when radio is available | |
3525 | * @ctx: Context pointer for the work (work->ctx in cb()) | |
3526 | * Returns: 0 on success, -1 on failure | |
3527 | * | |
3528 | * This function is used to request time for an operation that requires | |
3529 | * exclusive radio control. Once the radio is available, the registered callback | |
3530 | * function will be called. radio_work_done() must be called once the exclusive | |
3531 | * radio operation has been completed, so that the radio is freed for other | |
3532 | * operations. The special case of deinit=1 is used to free the context data | |
3533 | * during interface removal. That does not allow the callback function to start | |
3534 | * the radio operation, i.e., it must free any resources allocated for the radio | |
3535 | * work and return. | |
3536 | * | |
3537 | * The @freq parameter can be used to indicate a single channel on which the | |
3538 | * offchannel operation will occur. This may allow multiple radio work | |
3539 | * operations to be performed in parallel if they apply for the same channel. | |
3540 | * Setting this to 0 indicates that the work item may use multiple channels or | |
3541 | * requires exclusive control of the radio. | |
3542 | */ | |
3543 | int radio_add_work(struct wpa_supplicant *wpa_s, unsigned int freq, | |
3544 | const char *type, int next, | |
3545 | void (*cb)(struct wpa_radio_work *work, int deinit), | |
3546 | void *ctx) | |
3547 | { | |
3548 | struct wpa_radio_work *work; | |
3549 | int was_empty; | |
3550 | ||
3551 | work = os_zalloc(sizeof(*work)); | |
3552 | if (work == NULL) | |
3553 | return -1; | |
3554 | wpa_dbg(wpa_s, MSG_DEBUG, "Add radio work '%s'@%p", type, work); | |
3555 | os_get_reltime(&work->time); | |
3556 | work->freq = freq; | |
3557 | work->type = type; | |
3558 | work->wpa_s = wpa_s; | |
3559 | work->cb = cb; | |
3560 | work->ctx = ctx; | |
3561 | ||
3562 | was_empty = dl_list_empty(&wpa_s->radio->work); | |
3563 | if (next) | |
3564 | dl_list_add(&wpa_s->radio->work, &work->list); | |
3565 | else | |
3566 | dl_list_add_tail(&wpa_s->radio->work, &work->list); | |
3567 | if (was_empty) { | |
3568 | wpa_dbg(wpa_s, MSG_DEBUG, "First radio work item in the queue - schedule start immediately"); | |
3569 | radio_work_check_next(wpa_s); | |
3570 | } | |
3571 | ||
3572 | return 0; | |
3573 | } | |
3574 | ||
3575 | ||
3576 | /** | |
3577 | * radio_work_done - Indicate that a radio work item has been completed | |
3578 | * @work: Completed work | |
3579 | * | |
3580 | * This function is called once the callback function registered with | |
3581 | * radio_add_work() has completed its work. | |
3582 | */ | |
3583 | void radio_work_done(struct wpa_radio_work *work) | |
3584 | { | |
3585 | struct wpa_supplicant *wpa_s = work->wpa_s; | |
3586 | struct os_reltime now, diff; | |
1f965e62 | 3587 | unsigned int started = work->started; |
b1ae396f JM |
3588 | |
3589 | os_get_reltime(&now); | |
3590 | os_reltime_sub(&now, &work->time, &diff); | |
1f965e62 JM |
3591 | wpa_dbg(wpa_s, MSG_DEBUG, "Radio work '%s'@%p %s in %ld.%06ld seconds", |
3592 | work->type, work, started ? "done" : "canceled", | |
3593 | diff.sec, diff.usec); | |
b1ae396f | 3594 | radio_work_free(work); |
1f965e62 JM |
3595 | if (started) |
3596 | radio_work_check_next(wpa_s); | |
b1ae396f JM |
3597 | } |
3598 | ||
3599 | ||
a7f5271d JM |
3600 | struct wpa_radio_work * |
3601 | radio_work_pending(struct wpa_supplicant *wpa_s, const char *type) | |
f0e30c84 JM |
3602 | { |
3603 | struct wpa_radio_work *work; | |
3604 | struct wpa_radio *radio = wpa_s->radio; | |
3605 | ||
3606 | dl_list_for_each(work, &radio->work, struct wpa_radio_work, list) { | |
3607 | if (work->wpa_s == wpa_s && os_strcmp(work->type, type) == 0) | |
a7f5271d | 3608 | return work; |
f0e30c84 JM |
3609 | } |
3610 | ||
a7f5271d | 3611 | return NULL; |
f0e30c84 JM |
3612 | } |
3613 | ||
3614 | ||
73c00fd7 JM |
3615 | static int wpas_init_driver(struct wpa_supplicant *wpa_s, |
3616 | struct wpa_interface *iface) | |
3617 | { | |
202dec2a | 3618 | const char *ifname, *driver, *rn; |
73c00fd7 JM |
3619 | |
3620 | driver = iface->driver; | |
3621 | next_driver: | |
3622 | if (wpa_supplicant_set_driver(wpa_s, driver) < 0) | |
3623 | return -1; | |
3624 | ||
3625 | wpa_s->drv_priv = wpa_drv_init(wpa_s, wpa_s->ifname); | |
3626 | if (wpa_s->drv_priv == NULL) { | |
3627 | const char *pos; | |
3628 | pos = driver ? os_strchr(driver, ',') : NULL; | |
3629 | if (pos) { | |
3630 | wpa_dbg(wpa_s, MSG_DEBUG, "Failed to initialize " | |
3631 | "driver interface - try next driver wrapper"); | |
3632 | driver = pos + 1; | |
3633 | goto next_driver; | |
3634 | } | |
3635 | wpa_msg(wpa_s, MSG_ERROR, "Failed to initialize driver " | |
3636 | "interface"); | |
3637 | return -1; | |
3638 | } | |
3639 | if (wpa_drv_set_param(wpa_s, wpa_s->conf->driver_param) < 0) { | |
3640 | wpa_msg(wpa_s, MSG_ERROR, "Driver interface rejected " | |
3641 | "driver_param '%s'", wpa_s->conf->driver_param); | |
3642 | return -1; | |
3643 | } | |
3644 | ||
3645 | ifname = wpa_drv_get_ifname(wpa_s); | |
3646 | if (ifname && os_strcmp(ifname, wpa_s->ifname) != 0) { | |
3647 | wpa_dbg(wpa_s, MSG_DEBUG, "Driver interface replaced " | |
3648 | "interface name with '%s'", ifname); | |
3649 | os_strlcpy(wpa_s->ifname, ifname, sizeof(wpa_s->ifname)); | |
3650 | } | |
3651 | ||
95bf699f | 3652 | rn = wpa_driver_get_radio_name(wpa_s); |
202dec2a JM |
3653 | if (rn && rn[0] == '\0') |
3654 | rn = NULL; | |
3655 | ||
3656 | wpa_s->radio = radio_add_interface(wpa_s, rn); | |
3657 | if (wpa_s->radio == NULL) | |
3658 | return -1; | |
3659 | ||
73c00fd7 JM |
3660 | return 0; |
3661 | } | |
3662 | ||
3663 | ||
6fc6879b JM |
3664 | static int wpa_supplicant_init_iface(struct wpa_supplicant *wpa_s, |
3665 | struct wpa_interface *iface) | |
3666 | { | |
362f781e | 3667 | struct wpa_driver_capa capa; |
6cbdb0c5 | 3668 | int capa_res; |
362f781e | 3669 | |
6fc6879b JM |
3670 | wpa_printf(MSG_DEBUG, "Initializing interface '%s' conf '%s' driver " |
3671 | "'%s' ctrl_interface '%s' bridge '%s'", iface->ifname, | |
3672 | iface->confname ? iface->confname : "N/A", | |
3673 | iface->driver ? iface->driver : "default", | |
3674 | iface->ctrl_interface ? iface->ctrl_interface : "N/A", | |
3675 | iface->bridge_ifname ? iface->bridge_ifname : "N/A"); | |
3676 | ||
6fc6879b JM |
3677 | if (iface->confname) { |
3678 | #ifdef CONFIG_BACKEND_FILE | |
3679 | wpa_s->confname = os_rel2abs_path(iface->confname); | |
3680 | if (wpa_s->confname == NULL) { | |
3681 | wpa_printf(MSG_ERROR, "Failed to get absolute path " | |
3682 | "for configuration file '%s'.", | |
3683 | iface->confname); | |
3684 | return -1; | |
3685 | } | |
3686 | wpa_printf(MSG_DEBUG, "Configuration file '%s' -> '%s'", | |
3687 | iface->confname, wpa_s->confname); | |
3688 | #else /* CONFIG_BACKEND_FILE */ | |
3689 | wpa_s->confname = os_strdup(iface->confname); | |
3690 | #endif /* CONFIG_BACKEND_FILE */ | |
e6304cad | 3691 | wpa_s->conf = wpa_config_read(wpa_s->confname, NULL); |
6fc6879b JM |
3692 | if (wpa_s->conf == NULL) { |
3693 | wpa_printf(MSG_ERROR, "Failed to read or parse " | |
3694 | "configuration '%s'.", wpa_s->confname); | |
3695 | return -1; | |
3696 | } | |
e6304cad DS |
3697 | wpa_s->confanother = os_rel2abs_path(iface->confanother); |
3698 | wpa_config_read(wpa_s->confanother, wpa_s->conf); | |
6fc6879b JM |
3699 | |
3700 | /* | |
3701 | * Override ctrl_interface and driver_param if set on command | |
3702 | * line. | |
3703 | */ | |
3704 | if (iface->ctrl_interface) { | |
3705 | os_free(wpa_s->conf->ctrl_interface); | |
3706 | wpa_s->conf->ctrl_interface = | |
3707 | os_strdup(iface->ctrl_interface); | |
3708 | } | |
3709 | ||
3710 | if (iface->driver_param) { | |
3711 | os_free(wpa_s->conf->driver_param); | |
3712 | wpa_s->conf->driver_param = | |
3713 | os_strdup(iface->driver_param); | |
3714 | } | |
78f79fe5 JM |
3715 | |
3716 | if (iface->p2p_mgmt && !iface->ctrl_interface) { | |
3717 | os_free(wpa_s->conf->ctrl_interface); | |
3718 | wpa_s->conf->ctrl_interface = NULL; | |
3719 | } | |
6fc6879b JM |
3720 | } else |
3721 | wpa_s->conf = wpa_config_alloc_empty(iface->ctrl_interface, | |
3722 | iface->driver_param); | |
3723 | ||
3724 | if (wpa_s->conf == NULL) { | |
3725 | wpa_printf(MSG_ERROR, "\nNo configuration found."); | |
3726 | return -1; | |
3727 | } | |
3728 | ||
3729 | if (iface->ifname == NULL) { | |
3730 | wpa_printf(MSG_ERROR, "\nInterface name is required."); | |
3731 | return -1; | |
3732 | } | |
3733 | if (os_strlen(iface->ifname) >= sizeof(wpa_s->ifname)) { | |
3734 | wpa_printf(MSG_ERROR, "\nToo long interface name '%s'.", | |
3735 | iface->ifname); | |
3736 | return -1; | |
3737 | } | |
3738 | os_strlcpy(wpa_s->ifname, iface->ifname, sizeof(wpa_s->ifname)); | |
3739 | ||
3740 | if (iface->bridge_ifname) { | |
3741 | if (os_strlen(iface->bridge_ifname) >= | |
3742 | sizeof(wpa_s->bridge_ifname)) { | |
3743 | wpa_printf(MSG_ERROR, "\nToo long bridge interface " | |
3744 | "name '%s'.", iface->bridge_ifname); | |
3745 | return -1; | |
3746 | } | |
3747 | os_strlcpy(wpa_s->bridge_ifname, iface->bridge_ifname, | |
3748 | sizeof(wpa_s->bridge_ifname)); | |
3749 | } | |
3750 | ||
6fc6879b JM |
3751 | /* RSNA Supplicant Key Management - INITIALIZE */ |
3752 | eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE); | |
3753 | eapol_sm_notify_portValid(wpa_s->eapol, FALSE); | |
3754 | ||
3755 | /* Initialize driver interface and register driver event handler before | |
3756 | * L2 receive handler so that association events are processed before | |
3757 | * EAPOL-Key packets if both become available for the same select() | |
3758 | * call. */ | |
73c00fd7 | 3759 | if (wpas_init_driver(wpa_s, iface) < 0) |
362f781e JM |
3760 | return -1; |
3761 | ||
6fc6879b JM |
3762 | if (wpa_supplicant_init_wpa(wpa_s) < 0) |
3763 | return -1; | |
3764 | ||
3765 | wpa_sm_set_ifname(wpa_s->wpa, wpa_s->ifname, | |
3766 | wpa_s->bridge_ifname[0] ? wpa_s->bridge_ifname : | |
3767 | NULL); | |
3768 | wpa_sm_set_fast_reauth(wpa_s->wpa, wpa_s->conf->fast_reauth); | |
3769 | ||
3770 | if (wpa_s->conf->dot11RSNAConfigPMKLifetime && | |
3771 | wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME, | |
3772 | wpa_s->conf->dot11RSNAConfigPMKLifetime)) { | |
f049052b BG |
3773 | wpa_msg(wpa_s, MSG_ERROR, "Invalid WPA parameter value for " |
3774 | "dot11RSNAConfigPMKLifetime"); | |
6fc6879b JM |
3775 | return -1; |
3776 | } | |
3777 | ||
3778 | if (wpa_s->conf->dot11RSNAConfigPMKReauthThreshold && | |
3779 | wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD, | |
3780 | wpa_s->conf->dot11RSNAConfigPMKReauthThreshold)) { | |
f049052b | 3781 | wpa_msg(wpa_s, MSG_ERROR, "Invalid WPA parameter value for " |
6fc6879b JM |
3782 | "dot11RSNAConfigPMKReauthThreshold"); |
3783 | return -1; | |
3784 | } | |
3785 | ||
3786 | if (wpa_s->conf->dot11RSNAConfigSATimeout && | |
3787 | wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, | |
3788 | wpa_s->conf->dot11RSNAConfigSATimeout)) { | |
f049052b BG |
3789 | wpa_msg(wpa_s, MSG_ERROR, "Invalid WPA parameter value for " |
3790 | "dot11RSNAConfigSATimeout"); | |
6fc6879b JM |
3791 | return -1; |
3792 | } | |
3793 | ||
6bf731e8 CL |
3794 | wpa_s->hw.modes = wpa_drv_get_hw_feature_data(wpa_s, |
3795 | &wpa_s->hw.num_modes, | |
3796 | &wpa_s->hw.flags); | |
3797 | ||
6cbdb0c5 JM |
3798 | capa_res = wpa_drv_get_capa(wpa_s, &capa); |
3799 | if (capa_res == 0) { | |
c58ab8f2 | 3800 | wpa_s->drv_capa_known = 1; |
814782b9 | 3801 | wpa_s->drv_flags = capa.flags; |
349493bd | 3802 | wpa_s->drv_enc = capa.enc; |
04ee647d | 3803 | wpa_s->drv_smps_modes = capa.smps_modes; |
f936b73c | 3804 | wpa_s->drv_rrm_flags = capa.rrm_flags; |
4f73d88a | 3805 | wpa_s->probe_resp_offloads = capa.probe_resp_offloads; |
814782b9 | 3806 | wpa_s->max_scan_ssids = capa.max_scan_ssids; |
cbdf3507 LC |
3807 | wpa_s->max_sched_scan_ssids = capa.max_sched_scan_ssids; |
3808 | wpa_s->sched_scan_supported = capa.sched_scan_supported; | |
b59e6f26 | 3809 | wpa_s->max_match_sets = capa.max_match_sets; |
814782b9 | 3810 | wpa_s->max_remain_on_chan = capa.max_remain_on_chan; |
c4ea4c5c | 3811 | wpa_s->max_stations = capa.max_stations; |
8cd6b7bc JB |
3812 | wpa_s->extended_capa = capa.extended_capa; |
3813 | wpa_s->extended_capa_mask = capa.extended_capa_mask; | |
3814 | wpa_s->extended_capa_len = capa.extended_capa_len; | |
4752147d IP |
3815 | wpa_s->num_multichan_concurrent = |
3816 | capa.num_multichan_concurrent; | |
471cd6e1 | 3817 | wpa_s->wmm_ac_supported = capa.wmm_ac_supported; |
814782b9 JM |
3818 | } |
3819 | if (wpa_s->max_remain_on_chan == 0) | |
3820 | wpa_s->max_remain_on_chan = 1000; | |
3821 | ||
c68f6200 AS |
3822 | /* |
3823 | * Only take p2p_mgmt parameters when P2P Device is supported. | |
3824 | * Doing it here as it determines whether l2_packet_init() will be done | |
3825 | * during wpa_supplicant_driver_init(). | |
3826 | */ | |
3827 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE) | |
3828 | wpa_s->p2p_mgmt = iface->p2p_mgmt; | |
3829 | else | |
3830 | iface->p2p_mgmt = 1; | |
3831 | ||
4752147d IP |
3832 | if (wpa_s->num_multichan_concurrent == 0) |
3833 | wpa_s->num_multichan_concurrent = 1; | |
3834 | ||
6fc6879b JM |
3835 | if (wpa_supplicant_driver_init(wpa_s) < 0) |
3836 | return -1; | |
3837 | ||
281ff0aa | 3838 | #ifdef CONFIG_TDLS |
1c42b42f JM |
3839 | if ((!iface->p2p_mgmt || |
3840 | !(wpa_s->drv_flags & | |
3841 | WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)) && | |
3842 | wpa_tdls_init(wpa_s->wpa)) | |
281ff0aa GP |
3843 | return -1; |
3844 | #endif /* CONFIG_TDLS */ | |
3845 | ||
315ce40a JM |
3846 | if (wpa_s->conf->country[0] && wpa_s->conf->country[1] && |
3847 | wpa_drv_set_country(wpa_s, wpa_s->conf->country)) { | |
f049052b | 3848 | wpa_dbg(wpa_s, MSG_DEBUG, "Failed to set country"); |
6d158490 LR |
3849 | return -1; |
3850 | } | |
3851 | ||
116654ce JM |
3852 | if (wpas_wps_init(wpa_s)) |
3853 | return -1; | |
3854 | ||
6fc6879b JM |
3855 | if (wpa_supplicant_init_eapol(wpa_s) < 0) |
3856 | return -1; | |
3857 | wpa_sm_set_eapol(wpa_s->wpa, wpa_s->eapol); | |
3858 | ||
3859 | wpa_s->ctrl_iface = wpa_supplicant_ctrl_iface_init(wpa_s); | |
3860 | if (wpa_s->ctrl_iface == NULL) { | |
3861 | wpa_printf(MSG_ERROR, | |
3862 | "Failed to initialize control interface '%s'.\n" | |
3863 | "You may have another wpa_supplicant process " | |
3864 | "already running or the file was\n" | |
3865 | "left by an unclean termination of wpa_supplicant " | |
3866 | "in which case you will need\n" | |
3867 | "to manually remove this file before starting " | |
3868 | "wpa_supplicant again.\n", | |
3869 | wpa_s->conf->ctrl_interface); | |
3870 | return -1; | |
3871 | } | |
3872 | ||
04ea7b79 JM |
3873 | wpa_s->gas = gas_query_init(wpa_s); |
3874 | if (wpa_s->gas == NULL) { | |
3875 | wpa_printf(MSG_ERROR, "Failed to initialize GAS query"); | |
3876 | return -1; | |
3877 | } | |
3878 | ||
c68f6200 | 3879 | if (iface->p2p_mgmt && wpas_p2p_init(wpa_s->global, wpa_s) < 0) { |
f049052b | 3880 | wpa_msg(wpa_s, MSG_ERROR, "Failed to init P2P"); |
b22128ef JM |
3881 | return -1; |
3882 | } | |
b22128ef | 3883 | |
83922c2d JM |
3884 | if (wpa_bss_init(wpa_s) < 0) |
3885 | return -1; | |
83922c2d | 3886 | |
e4fa8b12 EP |
3887 | /* |
3888 | * Set Wake-on-WLAN triggers, if configured. | |
3889 | * Note: We don't restore/remove the triggers on shutdown (it doesn't | |
3890 | * have effect anyway when the interface is down). | |
3891 | */ | |
6cbdb0c5 | 3892 | if (capa_res == 0 && wpas_set_wowlan_triggers(wpa_s, &capa) < 0) |
e4fa8b12 EP |
3893 | return -1; |
3894 | ||
ec7b97ab JM |
3895 | #ifdef CONFIG_EAP_PROXY |
3896 | { | |
3897 | size_t len; | |
07041c6f NJ |
3898 | wpa_s->mnc_len = eapol_sm_get_eap_proxy_imsi(wpa_s->eapol, wpa_s->imsi, |
3899 | &len); | |
ec7b97ab JM |
3900 | if (wpa_s->mnc_len > 0) { |
3901 | wpa_s->imsi[len] = '\0'; | |
3902 | wpa_printf(MSG_DEBUG, "eap_proxy: IMSI %s (MNC length %d)", | |
3903 | wpa_s->imsi, wpa_s->mnc_len); | |
3904 | } else { | |
3905 | wpa_printf(MSG_DEBUG, "eap_proxy: IMSI not available"); | |
3906 | } | |
3907 | } | |
3908 | #endif /* CONFIG_EAP_PROXY */ | |
3909 | ||
f64adcd7 JM |
3910 | if (pcsc_reader_init(wpa_s) < 0) |
3911 | return -1; | |
3912 | ||
306ae225 JM |
3913 | if (wpas_init_ext_pw(wpa_s) < 0) |
3914 | return -1; | |
3915 | ||
b361d580 AK |
3916 | wpas_rrm_reset(wpa_s); |
3917 | ||
6fc6879b JM |
3918 | return 0; |
3919 | } | |
3920 | ||
3921 | ||
2ee055b3 | 3922 | static void wpa_supplicant_deinit_iface(struct wpa_supplicant *wpa_s, |
df509539 | 3923 | int notify, int terminate) |
6fc6879b | 3924 | { |
26fc96e8 JM |
3925 | struct wpa_global *global = wpa_s->global; |
3926 | struct wpa_supplicant *iface, *prev; | |
3927 | ||
3928 | if (wpa_s == wpa_s->parent) | |
3929 | wpas_p2p_group_remove(wpa_s, "*"); | |
3930 | ||
3931 | iface = global->ifaces; | |
3932 | while (iface) { | |
3933 | if (iface == wpa_s || iface->parent != wpa_s) { | |
3934 | iface = iface->next; | |
3935 | continue; | |
3936 | } | |
3937 | wpa_printf(MSG_DEBUG, | |
3938 | "Remove remaining child interface %s from parent %s", | |
3939 | iface->ifname, wpa_s->ifname); | |
3940 | prev = iface; | |
3941 | iface = iface->next; | |
3942 | wpa_supplicant_remove_iface(global, prev, terminate); | |
3943 | } | |
3944 | ||
e679f140 | 3945 | wpa_s->disconnected = 1; |
6fc6879b JM |
3946 | if (wpa_s->drv_priv) { |
3947 | wpa_supplicant_deauthenticate(wpa_s, | |
3948 | WLAN_REASON_DEAUTH_LEAVING); | |
3949 | ||
6fc6879b JM |
3950 | wpa_drv_set_countermeasures(wpa_s, 0); |
3951 | wpa_clear_keys(wpa_s, NULL); | |
3952 | } | |
3953 | ||
8e56d189 | 3954 | wpa_supplicant_cleanup(wpa_s); |
bd10d938 | 3955 | wpas_p2p_deinit_iface(wpa_s); |
ab28911d | 3956 | |
1f965e62 | 3957 | wpas_ctrl_radio_work_flush(wpa_s); |
202dec2a JM |
3958 | radio_remove_interface(wpa_s); |
3959 | ||
6fc6879b JM |
3960 | if (wpa_s->drv_priv) |
3961 | wpa_drv_deinit(wpa_s); | |
2523ff6e DS |
3962 | |
3963 | if (notify) | |
3964 | wpas_notify_iface_removed(wpa_s); | |
f0811516 DS |
3965 | |
3966 | if (terminate) | |
3967 | wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_TERMINATING); | |
3968 | ||
3969 | if (wpa_s->ctrl_iface) { | |
3970 | wpa_supplicant_ctrl_iface_deinit(wpa_s->ctrl_iface); | |
3971 | wpa_s->ctrl_iface = NULL; | |
3972 | } | |
3973 | ||
603a3f34 JL |
3974 | #ifdef CONFIG_MESH |
3975 | if (wpa_s->ifmsh) { | |
3976 | wpa_supplicant_mesh_iface_deinit(wpa_s, wpa_s->ifmsh); | |
3977 | wpa_s->ifmsh = NULL; | |
3978 | } | |
3979 | #endif /* CONFIG_MESH */ | |
3980 | ||
f0811516 DS |
3981 | if (wpa_s->conf != NULL) { |
3982 | wpa_config_free(wpa_s->conf); | |
3983 | wpa_s->conf = NULL; | |
3984 | } | |
18e00b5e JM |
3985 | |
3986 | os_free(wpa_s); | |
6fc6879b JM |
3987 | } |
3988 | ||
3989 | ||
3990 | /** | |
3991 | * wpa_supplicant_add_iface - Add a new network interface | |
3992 | * @global: Pointer to global data from wpa_supplicant_init() | |
3993 | * @iface: Interface configuration options | |
3994 | * Returns: Pointer to the created interface or %NULL on failure | |
3995 | * | |
3996 | * This function is used to add new network interfaces for %wpa_supplicant. | |
3997 | * This can be called before wpa_supplicant_run() to add interfaces before the | |
3998 | * main event loop has been started. In addition, new interfaces can be added | |
3999 | * dynamically while %wpa_supplicant is already running. This could happen, | |
4000 | * e.g., when a hotplug network adapter is inserted. | |
4001 | */ | |
4002 | struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global, | |
4003 | struct wpa_interface *iface) | |
4004 | { | |
4005 | struct wpa_supplicant *wpa_s; | |
d27df100 | 4006 | struct wpa_interface t_iface; |
8e56d189 | 4007 | struct wpa_ssid *ssid; |
6fc6879b JM |
4008 | |
4009 | if (global == NULL || iface == NULL) | |
4010 | return NULL; | |
4011 | ||
4012 | wpa_s = wpa_supplicant_alloc(); | |
4013 | if (wpa_s == NULL) | |
4014 | return NULL; | |
4015 | ||
d8222ae3 JM |
4016 | wpa_s->global = global; |
4017 | ||
d27df100 JM |
4018 | t_iface = *iface; |
4019 | if (global->params.override_driver) { | |
4020 | wpa_printf(MSG_DEBUG, "Override interface parameter: driver " | |
4021 | "('%s' -> '%s')", | |
4022 | iface->driver, global->params.override_driver); | |
4023 | t_iface.driver = global->params.override_driver; | |
4024 | } | |
4025 | if (global->params.override_ctrl_interface) { | |
4026 | wpa_printf(MSG_DEBUG, "Override interface parameter: " | |
4027 | "ctrl_interface ('%s' -> '%s')", | |
4028 | iface->ctrl_interface, | |
4029 | global->params.override_ctrl_interface); | |
4030 | t_iface.ctrl_interface = | |
4031 | global->params.override_ctrl_interface; | |
4032 | } | |
4033 | if (wpa_supplicant_init_iface(wpa_s, &t_iface)) { | |
6fc6879b JM |
4034 | wpa_printf(MSG_DEBUG, "Failed to add interface %s", |
4035 | iface->ifname); | |
df509539 | 4036 | wpa_supplicant_deinit_iface(wpa_s, 0, 0); |
6fc6879b JM |
4037 | return NULL; |
4038 | } | |
4039 | ||
21efc940 TB |
4040 | if (iface->p2p_mgmt == 0) { |
4041 | /* Notify the control interfaces about new iface */ | |
4042 | if (wpas_notify_iface_added(wpa_s)) { | |
4043 | wpa_supplicant_deinit_iface(wpa_s, 1, 0); | |
4044 | return NULL; | |
4045 | } | |
1bd3f426 | 4046 | |
21efc940 TB |
4047 | for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) |
4048 | wpas_notify_network_added(wpa_s, ssid); | |
4049 | } | |
8e56d189 | 4050 | |
6fc6879b JM |
4051 | wpa_s->next = global->ifaces; |
4052 | global->ifaces = wpa_s; | |
4053 | ||
f049052b | 4054 | wpa_dbg(wpa_s, MSG_DEBUG, "Added interface %s", wpa_s->ifname); |
99218999 | 4055 | wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); |
6fc6879b | 4056 | |
c3c4b3ed JM |
4057 | #ifdef CONFIG_P2P |
4058 | if (wpa_s->global->p2p == NULL && | |
4059 | (wpa_s->drv_flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE) && | |
4060 | wpas_p2p_add_p2pdev_interface(wpa_s, iface->conf_p2p_dev) < 0) { | |
4061 | wpa_printf(MSG_INFO, | |
4062 | "P2P: Failed to enable P2P Device interface"); | |
4063 | /* Try to continue without. P2P will be disabled. */ | |
4064 | } | |
4065 | #endif /* CONFIG_P2P */ | |
4066 | ||
6fc6879b JM |
4067 | return wpa_s; |
4068 | } | |
4069 | ||
4070 | ||
4071 | /** | |
4072 | * wpa_supplicant_remove_iface - Remove a network interface | |
4073 | * @global: Pointer to global data from wpa_supplicant_init() | |
4074 | * @wpa_s: Pointer to the network interface to be removed | |
4075 | * Returns: 0 if interface was removed, -1 if interface was not found | |
4076 | * | |
4077 | * This function can be used to dynamically remove network interfaces from | |
4078 | * %wpa_supplicant, e.g., when a hotplug network adapter is ejected. In | |
4079 | * addition, this function is used to remove all remaining interfaces when | |
4080 | * %wpa_supplicant is terminated. | |
4081 | */ | |
4082 | int wpa_supplicant_remove_iface(struct wpa_global *global, | |
df509539 DS |
4083 | struct wpa_supplicant *wpa_s, |
4084 | int terminate) | |
6fc6879b JM |
4085 | { |
4086 | struct wpa_supplicant *prev; | |
4087 | ||
4088 | /* Remove interface from the global list of interfaces */ | |
4089 | prev = global->ifaces; | |
4090 | if (prev == wpa_s) { | |
4091 | global->ifaces = wpa_s->next; | |
4092 | } else { | |
4093 | while (prev && prev->next != wpa_s) | |
4094 | prev = prev->next; | |
4095 | if (prev == NULL) | |
4096 | return -1; | |
4097 | prev->next = wpa_s->next; | |
4098 | } | |
4099 | ||
f049052b | 4100 | wpa_dbg(wpa_s, MSG_DEBUG, "Removing interface %s", wpa_s->ifname); |
6fc6879b | 4101 | |
b22128ef JM |
4102 | if (global->p2p_group_formation == wpa_s) |
4103 | global->p2p_group_formation = NULL; | |
dbca75f8 JM |
4104 | if (global->p2p_invite_group == wpa_s) |
4105 | global->p2p_invite_group = NULL; | |
df509539 | 4106 | wpa_supplicant_deinit_iface(wpa_s, 1, terminate); |
6fc6879b JM |
4107 | |
4108 | return 0; | |
4109 | } | |
4110 | ||
4111 | ||
cf83fb0b PS |
4112 | /** |
4113 | * wpa_supplicant_get_eap_mode - Get the current EAP mode | |
4114 | * @wpa_s: Pointer to the network interface | |
4115 | * Returns: Pointer to the eap mode or the string "UNKNOWN" if not found | |
4116 | */ | |
4117 | const char * wpa_supplicant_get_eap_mode(struct wpa_supplicant *wpa_s) | |
4118 | { | |
4119 | const char *eapol_method; | |
4120 | ||
4121 | if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) == 0 && | |
4122 | wpa_s->key_mgmt != WPA_KEY_MGMT_IEEE8021X_NO_WPA) { | |
4123 | return "NO-EAP"; | |
4124 | } | |
4125 | ||
4126 | eapol_method = eapol_sm_get_method_name(wpa_s->eapol); | |
4127 | if (eapol_method == NULL) | |
4128 | return "UNKNOWN-EAP"; | |
4129 | ||
4130 | return eapol_method; | |
4131 | } | |
4132 | ||
4133 | ||
6fc6879b JM |
4134 | /** |
4135 | * wpa_supplicant_get_iface - Get a new network interface | |
4136 | * @global: Pointer to global data from wpa_supplicant_init() | |
4137 | * @ifname: Interface name | |
4138 | * Returns: Pointer to the interface or %NULL if not found | |
4139 | */ | |
4140 | struct wpa_supplicant * wpa_supplicant_get_iface(struct wpa_global *global, | |
4141 | const char *ifname) | |
4142 | { | |
4143 | struct wpa_supplicant *wpa_s; | |
4144 | ||
4145 | for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) { | |
4146 | if (os_strcmp(wpa_s->ifname, ifname) == 0) | |
4147 | return wpa_s; | |
4148 | } | |
4149 | return NULL; | |
4150 | } | |
4151 | ||
4152 | ||
50b16da1 | 4153 | #ifndef CONFIG_NO_WPA_MSG |
4f1495ae BG |
4154 | static const char * wpa_supplicant_msg_ifname_cb(void *ctx) |
4155 | { | |
4156 | struct wpa_supplicant *wpa_s = ctx; | |
4157 | if (wpa_s == NULL) | |
4158 | return NULL; | |
4159 | return wpa_s->ifname; | |
4160 | } | |
50b16da1 | 4161 | #endif /* CONFIG_NO_WPA_MSG */ |
4f1495ae BG |
4162 | |
4163 | ||
6fc6879b JM |
4164 | /** |
4165 | * wpa_supplicant_init - Initialize %wpa_supplicant | |
4166 | * @params: Parameters for %wpa_supplicant | |
4167 | * Returns: Pointer to global %wpa_supplicant data, or %NULL on failure | |
4168 | * | |
4169 | * This function is used to initialize %wpa_supplicant. After successful | |
4170 | * initialization, the returned data pointer can be used to add and remove | |
4171 | * network interfaces, and eventually, to deinitialize %wpa_supplicant. | |
4172 | */ | |
4173 | struct wpa_global * wpa_supplicant_init(struct wpa_params *params) | |
4174 | { | |
4175 | struct wpa_global *global; | |
ac305589 | 4176 | int ret, i; |
6fc6879b JM |
4177 | |
4178 | if (params == NULL) | |
4179 | return NULL; | |
4180 | ||
39e7d718 JM |
4181 | #ifdef CONFIG_DRIVER_NDIS |
4182 | { | |
4183 | void driver_ndis_init_ops(void); | |
4184 | driver_ndis_init_ops(); | |
4185 | } | |
4186 | #endif /* CONFIG_DRIVER_NDIS */ | |
4187 | ||
50b16da1 | 4188 | #ifndef CONFIG_NO_WPA_MSG |
4f1495ae | 4189 | wpa_msg_register_ifname_cb(wpa_supplicant_msg_ifname_cb); |
50b16da1 | 4190 | #endif /* CONFIG_NO_WPA_MSG */ |
4f1495ae | 4191 | |
6fc6879b | 4192 | wpa_debug_open_file(params->wpa_debug_file_path); |
daa70d49 SL |
4193 | if (params->wpa_debug_syslog) |
4194 | wpa_debug_open_syslog(); | |
4f68895e JB |
4195 | if (params->wpa_debug_tracing) { |
4196 | ret = wpa_debug_open_linux_tracing(); | |
4197 | if (ret) { | |
4198 | wpa_printf(MSG_ERROR, | |
4199 | "Failed to enable trace logging"); | |
4200 | return NULL; | |
4201 | } | |
4202 | } | |
6fc6879b | 4203 | |
12760815 | 4204 | ret = eap_register_methods(); |
6fc6879b JM |
4205 | if (ret) { |
4206 | wpa_printf(MSG_ERROR, "Failed to register EAP methods"); | |
4207 | if (ret == -2) | |
4208 | wpa_printf(MSG_ERROR, "Two or more EAP methods used " | |
4209 | "the same EAP type."); | |
4210 | return NULL; | |
4211 | } | |
4212 | ||
4213 | global = os_zalloc(sizeof(*global)); | |
4214 | if (global == NULL) | |
4215 | return NULL; | |
b22128ef JM |
4216 | dl_list_init(&global->p2p_srv_bonjour); |
4217 | dl_list_init(&global->p2p_srv_upnp); | |
6fc6879b JM |
4218 | global->params.daemonize = params->daemonize; |
4219 | global->params.wait_for_monitor = params->wait_for_monitor; | |
4220 | global->params.dbus_ctrl_interface = params->dbus_ctrl_interface; | |
4221 | if (params->pid_file) | |
4222 | global->params.pid_file = os_strdup(params->pid_file); | |
4223 | if (params->ctrl_interface) | |
4224 | global->params.ctrl_interface = | |
4225 | os_strdup(params->ctrl_interface); | |
29257565 JM |
4226 | if (params->ctrl_interface_group) |
4227 | global->params.ctrl_interface_group = | |
4228 | os_strdup(params->ctrl_interface_group); | |
d27df100 JM |
4229 | if (params->override_driver) |
4230 | global->params.override_driver = | |
4231 | os_strdup(params->override_driver); | |
4232 | if (params->override_ctrl_interface) | |
4233 | global->params.override_ctrl_interface = | |
4234 | os_strdup(params->override_ctrl_interface); | |
6fc6879b JM |
4235 | wpa_debug_level = global->params.wpa_debug_level = |
4236 | params->wpa_debug_level; | |
4237 | wpa_debug_show_keys = global->params.wpa_debug_show_keys = | |
4238 | params->wpa_debug_show_keys; | |
4239 | wpa_debug_timestamp = global->params.wpa_debug_timestamp = | |
4240 | params->wpa_debug_timestamp; | |
4241 | ||
f19858f5 JM |
4242 | wpa_printf(MSG_DEBUG, "wpa_supplicant v" VERSION_STR); |
4243 | ||
0456ea16 | 4244 | if (eloop_init()) { |
6fc6879b JM |
4245 | wpa_printf(MSG_ERROR, "Failed to initialize event loop"); |
4246 | wpa_supplicant_deinit(global); | |
4247 | return NULL; | |
4248 | } | |
4249 | ||
38e24575 | 4250 | random_init(params->entropy_file); |
d47fa330 | 4251 | |
6fc6879b JM |
4252 | global->ctrl_iface = wpa_supplicant_global_ctrl_iface_init(global); |
4253 | if (global->ctrl_iface == NULL) { | |
4254 | wpa_supplicant_deinit(global); | |
4255 | return NULL; | |
4256 | } | |
4257 | ||
dc461de4 WS |
4258 | if (wpas_notify_supplicant_initialized(global)) { |
4259 | wpa_supplicant_deinit(global); | |
4260 | return NULL; | |
6fc6879b JM |
4261 | } |
4262 | ||
c5121837 | 4263 | for (i = 0; wpa_drivers[i]; i++) |
ac305589 JM |
4264 | global->drv_count++; |
4265 | if (global->drv_count == 0) { | |
4266 | wpa_printf(MSG_ERROR, "No drivers enabled"); | |
4267 | wpa_supplicant_deinit(global); | |
4268 | return NULL; | |
4269 | } | |
4270 | global->drv_priv = os_zalloc(global->drv_count * sizeof(void *)); | |
4271 | if (global->drv_priv == NULL) { | |
4272 | wpa_supplicant_deinit(global); | |
4273 | return NULL; | |
4274 | } | |
ac305589 | 4275 | |
9675ce35 JM |
4276 | #ifdef CONFIG_WIFI_DISPLAY |
4277 | if (wifi_display_init(global) < 0) { | |
4278 | wpa_printf(MSG_ERROR, "Failed to initialize Wi-Fi Display"); | |
4279 | wpa_supplicant_deinit(global); | |
4280 | return NULL; | |
4281 | } | |
4282 | #endif /* CONFIG_WIFI_DISPLAY */ | |
4283 | ||
6fc6879b JM |
4284 | return global; |
4285 | } | |
4286 | ||
4287 | ||
4288 | /** | |
4289 | * wpa_supplicant_run - Run the %wpa_supplicant main event loop | |
4290 | * @global: Pointer to global data from wpa_supplicant_init() | |
4291 | * Returns: 0 after successful event loop run, -1 on failure | |
4292 | * | |
4293 | * This function starts the main event loop and continues running as long as | |
4294 | * there are any remaining events. In most cases, this function is running as | |
4295 | * long as the %wpa_supplicant process in still in use. | |
4296 | */ | |
4297 | int wpa_supplicant_run(struct wpa_global *global) | |
4298 | { | |
4299 | struct wpa_supplicant *wpa_s; | |
4300 | ||
4301 | if (global->params.daemonize && | |
4302 | wpa_supplicant_daemon(global->params.pid_file)) | |
4303 | return -1; | |
4304 | ||
4305 | if (global->params.wait_for_monitor) { | |
4306 | for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) | |
4307 | if (wpa_s->ctrl_iface) | |
4308 | wpa_supplicant_ctrl_iface_wait( | |
4309 | wpa_s->ctrl_iface); | |
4310 | } | |
4311 | ||
0456ea16 JM |
4312 | eloop_register_signal_terminate(wpa_supplicant_terminate, global); |
4313 | eloop_register_signal_reconfig(wpa_supplicant_reconfig, global); | |
6fc6879b JM |
4314 | |
4315 | eloop_run(); | |
4316 | ||
4317 | return 0; | |
4318 | } | |
4319 | ||
4320 | ||
4321 | /** | |
4322 | * wpa_supplicant_deinit - Deinitialize %wpa_supplicant | |
4323 | * @global: Pointer to global data from wpa_supplicant_init() | |
4324 | * | |
4325 | * This function is called to deinitialize %wpa_supplicant and to free all | |
4326 | * allocated resources. Remaining network interfaces will also be removed. | |
4327 | */ | |
4328 | void wpa_supplicant_deinit(struct wpa_global *global) | |
4329 | { | |
ac305589 JM |
4330 | int i; |
4331 | ||
6fc6879b JM |
4332 | if (global == NULL) |
4333 | return; | |
4334 | ||
9675ce35 JM |
4335 | #ifdef CONFIG_WIFI_DISPLAY |
4336 | wifi_display_deinit(global); | |
4337 | #endif /* CONFIG_WIFI_DISPLAY */ | |
b22128ef | 4338 | |
6fc6879b | 4339 | while (global->ifaces) |
df509539 | 4340 | wpa_supplicant_remove_iface(global, global->ifaces, 1); |
6fc6879b JM |
4341 | |
4342 | if (global->ctrl_iface) | |
4343 | wpa_supplicant_global_ctrl_iface_deinit(global->ctrl_iface); | |
dc461de4 WS |
4344 | |
4345 | wpas_notify_supplicant_deinitialized(global); | |
6fc6879b JM |
4346 | |
4347 | eap_peer_unregister_methods(); | |
3ec97afe JM |
4348 | #ifdef CONFIG_AP |
4349 | eap_server_unregister_methods(); | |
4350 | #endif /* CONFIG_AP */ | |
6fc6879b | 4351 | |
c5121837 | 4352 | for (i = 0; wpa_drivers[i] && global->drv_priv; i++) { |
ac305589 JM |
4353 | if (!global->drv_priv[i]) |
4354 | continue; | |
c5121837 | 4355 | wpa_drivers[i]->global_deinit(global->drv_priv[i]); |
ac305589 JM |
4356 | } |
4357 | os_free(global->drv_priv); | |
4358 | ||
d47fa330 JM |
4359 | random_deinit(); |
4360 | ||
6fc6879b JM |
4361 | eloop_destroy(); |
4362 | ||
4363 | if (global->params.pid_file) { | |
4364 | os_daemonize_terminate(global->params.pid_file); | |
4365 | os_free(global->params.pid_file); | |
4366 | } | |
4367 | os_free(global->params.ctrl_interface); | |
29257565 | 4368 | os_free(global->params.ctrl_interface_group); |
d27df100 JM |
4369 | os_free(global->params.override_driver); |
4370 | os_free(global->params.override_ctrl_interface); | |
6fc6879b | 4371 | |
af8a827b | 4372 | os_free(global->p2p_disallow_freq.range); |
253f2e37 | 4373 | os_free(global->p2p_go_avoid_freq.range); |
01a57fe4 | 4374 | os_free(global->add_psk); |
6f3bc72b | 4375 | |
6fc6879b | 4376 | os_free(global); |
daa70d49 | 4377 | wpa_debug_close_syslog(); |
6fc6879b | 4378 | wpa_debug_close_file(); |
4f68895e | 4379 | wpa_debug_close_linux_tracing(); |
6fc6879b | 4380 | } |
611aea7d JM |
4381 | |
4382 | ||
4383 | void wpa_supplicant_update_config(struct wpa_supplicant *wpa_s) | |
4384 | { | |
849b5dc7 JM |
4385 | if ((wpa_s->conf->changed_parameters & CFG_CHANGED_COUNTRY) && |
4386 | wpa_s->conf->country[0] && wpa_s->conf->country[1]) { | |
4387 | char country[3]; | |
4388 | country[0] = wpa_s->conf->country[0]; | |
4389 | country[1] = wpa_s->conf->country[1]; | |
4390 | country[2] = '\0'; | |
4391 | if (wpa_drv_set_country(wpa_s, country) < 0) { | |
4392 | wpa_printf(MSG_ERROR, "Failed to set country code " | |
4393 | "'%s'", country); | |
4394 | } | |
4395 | } | |
4396 | ||
306ae225 JM |
4397 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_EXT_PW_BACKEND) |
4398 | wpas_init_ext_pw(wpa_s); | |
4399 | ||
611aea7d JM |
4400 | #ifdef CONFIG_WPS |
4401 | wpas_wps_update_config(wpa_s); | |
4402 | #endif /* CONFIG_WPS */ | |
b22128ef | 4403 | wpas_p2p_update_config(wpa_s); |
611aea7d JM |
4404 | wpa_s->conf->changed_parameters = 0; |
4405 | } | |
2f9c6aa6 JM |
4406 | |
4407 | ||
e1117c1c | 4408 | void add_freq(int *freqs, int *num_freqs, int freq) |
0fb337c1 JM |
4409 | { |
4410 | int i; | |
4411 | ||
4412 | for (i = 0; i < *num_freqs; i++) { | |
4413 | if (freqs[i] == freq) | |
4414 | return; | |
4415 | } | |
4416 | ||
4417 | freqs[*num_freqs] = freq; | |
4418 | (*num_freqs)++; | |
4419 | } | |
4420 | ||
4421 | ||
4422 | static int * get_bss_freqs_in_ess(struct wpa_supplicant *wpa_s) | |
4423 | { | |
4424 | struct wpa_bss *bss, *cbss; | |
4425 | const int max_freqs = 10; | |
4426 | int *freqs; | |
4427 | int num_freqs = 0; | |
4428 | ||
4429 | freqs = os_zalloc(sizeof(int) * (max_freqs + 1)); | |
4430 | if (freqs == NULL) | |
4431 | return NULL; | |
4432 | ||
4433 | cbss = wpa_s->current_bss; | |
4434 | ||
4435 | dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { | |
4436 | if (bss == cbss) | |
4437 | continue; | |
4438 | if (bss->ssid_len == cbss->ssid_len && | |
4439 | os_memcmp(bss->ssid, cbss->ssid, bss->ssid_len) == 0 && | |
4440 | wpa_blacklist_get(wpa_s, bss->bssid) == NULL) { | |
4441 | add_freq(freqs, &num_freqs, bss->freq); | |
4442 | if (num_freqs == max_freqs) | |
4443 | break; | |
4444 | } | |
4445 | } | |
4446 | ||
4447 | if (num_freqs == 0) { | |
4448 | os_free(freqs); | |
4449 | freqs = NULL; | |
4450 | } | |
4451 | ||
4452 | return freqs; | |
4453 | } | |
4454 | ||
4455 | ||
4456 | void wpas_connection_failed(struct wpa_supplicant *wpa_s, const u8 *bssid) | |
4457 | { | |
4458 | int timeout; | |
4459 | int count; | |
4460 | int *freqs = NULL; | |
4461 | ||
6ac4b15e JM |
4462 | wpas_connect_work_done(wpa_s); |
4463 | ||
5fd9fb27 JM |
4464 | /* |
4465 | * Remove possible authentication timeout since the connection failed. | |
4466 | */ | |
4467 | eloop_cancel_timeout(wpa_supplicant_timeout, wpa_s, NULL); | |
4468 | ||
0cdb93fe JM |
4469 | if (wpa_s->disconnected) { |
4470 | /* | |
4471 | * There is no point in blacklisting the AP if this event is | |
4472 | * generated based on local request to disconnect. | |
4473 | */ | |
4474 | wpa_dbg(wpa_s, MSG_DEBUG, "Ignore connection failure " | |
4475 | "indication since interface has been put into " | |
4476 | "disconnected state"); | |
4477 | return; | |
4478 | } | |
4479 | ||
0fb337c1 JM |
4480 | /* |
4481 | * Add the failed BSSID into the blacklist and speed up next scan | |
4482 | * attempt if there could be other APs that could accept association. | |
4483 | * The current blacklist count indicates how many times we have tried | |
4484 | * connecting to this AP and multiple attempts mean that other APs are | |
4485 | * either not available or has already been tried, so that we can start | |
4486 | * increasing the delay here to avoid constant scanning. | |
4487 | */ | |
4488 | count = wpa_blacklist_add(wpa_s, bssid); | |
4489 | if (count == 1 && wpa_s->current_bss) { | |
4490 | /* | |
4491 | * This BSS was not in the blacklist before. If there is | |
4492 | * another BSS available for the same ESS, we should try that | |
4493 | * next. Otherwise, we may as well try this one once more | |
4494 | * before allowing other, likely worse, ESSes to be considered. | |
4495 | */ | |
4496 | freqs = get_bss_freqs_in_ess(wpa_s); | |
4497 | if (freqs) { | |
f049052b BG |
4498 | wpa_dbg(wpa_s, MSG_DEBUG, "Another BSS in this ESS " |
4499 | "has been seen; try it next"); | |
0fb337c1 JM |
4500 | wpa_blacklist_add(wpa_s, bssid); |
4501 | /* | |
4502 | * On the next scan, go through only the known channels | |
4503 | * used in this ESS based on previous scans to speed up | |
4504 | * common load balancing use case. | |
4505 | */ | |
4506 | os_free(wpa_s->next_scan_freqs); | |
4507 | wpa_s->next_scan_freqs = freqs; | |
4508 | } | |
4509 | } | |
4510 | ||
f1a52633 JM |
4511 | /* |
4512 | * Add previous failure count in case the temporary blacklist was | |
4513 | * cleared due to no other BSSes being available. | |
4514 | */ | |
4515 | count += wpa_s->extra_blacklist_count; | |
4516 | ||
dd579704 JM |
4517 | if (count > 3 && wpa_s->current_ssid) { |
4518 | wpa_printf(MSG_DEBUG, "Continuous association failures - " | |
4519 | "consider temporary network disabling"); | |
b19c098e | 4520 | wpas_auth_failed(wpa_s, "CONN_FAILED"); |
dd579704 JM |
4521 | } |
4522 | ||
0fb337c1 JM |
4523 | switch (count) { |
4524 | case 1: | |
4525 | timeout = 100; | |
4526 | break; | |
4527 | case 2: | |
4528 | timeout = 500; | |
4529 | break; | |
4530 | case 3: | |
4531 | timeout = 1000; | |
4532 | break; | |
f1a52633 | 4533 | case 4: |
0fb337c1 | 4534 | timeout = 5000; |
f1a52633 JM |
4535 | break; |
4536 | default: | |
4537 | timeout = 10000; | |
4538 | break; | |
0fb337c1 JM |
4539 | } |
4540 | ||
f1a52633 JM |
4541 | wpa_dbg(wpa_s, MSG_DEBUG, "Blacklist count %d --> request scan in %d " |
4542 | "ms", count, timeout); | |
4543 | ||
0fb337c1 JM |
4544 | /* |
4545 | * TODO: if more than one possible AP is available in scan results, | |
4546 | * could try the other ones before requesting a new scan. | |
4547 | */ | |
4548 | wpa_supplicant_req_scan(wpa_s, timeout / 1000, | |
4549 | 1000 * (timeout % 1000)); | |
4550 | } | |
22628eca JM |
4551 | |
4552 | ||
4553 | int wpas_driver_bss_selection(struct wpa_supplicant *wpa_s) | |
4554 | { | |
4555 | return wpa_s->conf->ap_scan == 2 || | |
4556 | (wpa_s->drv_flags & WPA_DRIVER_FLAGS_BSS_SELECTION); | |
4557 | } | |
d2118814 JM |
4558 | |
4559 | ||
4560 | #if defined(CONFIG_CTRL_IFACE) || defined(CONFIG_CTRL_IFACE_DBUS_NEW) | |
4561 | int wpa_supplicant_ctrl_iface_ctrl_rsp_handle(struct wpa_supplicant *wpa_s, | |
4562 | struct wpa_ssid *ssid, | |
4563 | const char *field, | |
4564 | const char *value) | |
4565 | { | |
4566 | #ifdef IEEE8021X_EAPOL | |
4567 | struct eap_peer_config *eap = &ssid->eap; | |
4568 | ||
4569 | wpa_printf(MSG_DEBUG, "CTRL_IFACE: response handle field=%s", field); | |
4570 | wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: response value", | |
4571 | (const u8 *) value, os_strlen(value)); | |
4572 | ||
4573 | switch (wpa_supplicant_ctrl_req_from_string(field)) { | |
4574 | case WPA_CTRL_REQ_EAP_IDENTITY: | |
4575 | os_free(eap->identity); | |
4576 | eap->identity = (u8 *) os_strdup(value); | |
4577 | eap->identity_len = os_strlen(value); | |
4578 | eap->pending_req_identity = 0; | |
4579 | if (ssid == wpa_s->current_ssid) | |
4580 | wpa_s->reassociate = 1; | |
4581 | break; | |
4582 | case WPA_CTRL_REQ_EAP_PASSWORD: | |
19c48da0 | 4583 | bin_clear_free(eap->password, eap->password_len); |
d2118814 JM |
4584 | eap->password = (u8 *) os_strdup(value); |
4585 | eap->password_len = os_strlen(value); | |
4586 | eap->pending_req_password = 0; | |
4587 | if (ssid == wpa_s->current_ssid) | |
4588 | wpa_s->reassociate = 1; | |
4589 | break; | |
4590 | case WPA_CTRL_REQ_EAP_NEW_PASSWORD: | |
19c48da0 | 4591 | bin_clear_free(eap->new_password, eap->new_password_len); |
d2118814 JM |
4592 | eap->new_password = (u8 *) os_strdup(value); |
4593 | eap->new_password_len = os_strlen(value); | |
4594 | eap->pending_req_new_password = 0; | |
4595 | if (ssid == wpa_s->current_ssid) | |
4596 | wpa_s->reassociate = 1; | |
4597 | break; | |
4598 | case WPA_CTRL_REQ_EAP_PIN: | |
19c48da0 | 4599 | str_clear_free(eap->pin); |
d2118814 JM |
4600 | eap->pin = os_strdup(value); |
4601 | eap->pending_req_pin = 0; | |
4602 | if (ssid == wpa_s->current_ssid) | |
4603 | wpa_s->reassociate = 1; | |
4604 | break; | |
4605 | case WPA_CTRL_REQ_EAP_OTP: | |
19c48da0 | 4606 | bin_clear_free(eap->otp, eap->otp_len); |
d2118814 JM |
4607 | eap->otp = (u8 *) os_strdup(value); |
4608 | eap->otp_len = os_strlen(value); | |
4609 | os_free(eap->pending_req_otp); | |
4610 | eap->pending_req_otp = NULL; | |
4611 | eap->pending_req_otp_len = 0; | |
4612 | break; | |
4613 | case WPA_CTRL_REQ_EAP_PASSPHRASE: | |
19c48da0 JM |
4614 | str_clear_free(eap->private_key_passwd); |
4615 | eap->private_key_passwd = os_strdup(value); | |
d2118814 JM |
4616 | eap->pending_req_passphrase = 0; |
4617 | if (ssid == wpa_s->current_ssid) | |
4618 | wpa_s->reassociate = 1; | |
4619 | break; | |
a5d44ac0 | 4620 | case WPA_CTRL_REQ_SIM: |
19c48da0 | 4621 | str_clear_free(eap->external_sim_resp); |
a5d44ac0 JM |
4622 | eap->external_sim_resp = os_strdup(value); |
4623 | break; | |
d2118814 JM |
4624 | default: |
4625 | wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown field '%s'", field); | |
4626 | return -1; | |
4627 | } | |
4628 | ||
4629 | return 0; | |
4630 | #else /* IEEE8021X_EAPOL */ | |
4631 | wpa_printf(MSG_DEBUG, "CTRL_IFACE: IEEE 802.1X not included"); | |
4632 | return -1; | |
4633 | #endif /* IEEE8021X_EAPOL */ | |
4634 | } | |
4635 | #endif /* CONFIG_CTRL_IFACE || CONFIG_CTRL_IFACE_DBUS_NEW */ | |
349493bd JM |
4636 | |
4637 | ||
4638 | int wpas_network_disabled(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid) | |
4639 | { | |
4640 | int i; | |
4641 | unsigned int drv_enc; | |
4642 | ||
4643 | if (ssid == NULL) | |
4644 | return 1; | |
4645 | ||
4646 | if (ssid->disabled) | |
4647 | return 1; | |
4648 | ||
4649 | if (wpa_s && wpa_s->drv_capa_known) | |
4650 | drv_enc = wpa_s->drv_enc; | |
4651 | else | |
4652 | drv_enc = (unsigned int) -1; | |
4653 | ||
4654 | for (i = 0; i < NUM_WEP_KEYS; i++) { | |
4655 | size_t len = ssid->wep_key_len[i]; | |
4656 | if (len == 0) | |
4657 | continue; | |
4658 | if (len == 5 && (drv_enc & WPA_DRIVER_CAPA_ENC_WEP40)) | |
4659 | continue; | |
4660 | if (len == 13 && (drv_enc & WPA_DRIVER_CAPA_ENC_WEP104)) | |
4661 | continue; | |
4662 | if (len == 16 && (drv_enc & WPA_DRIVER_CAPA_ENC_WEP128)) | |
4663 | continue; | |
4664 | return 1; /* invalid WEP key */ | |
4665 | } | |
4666 | ||
9173b16f | 4667 | if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt) && !ssid->psk_set && |
759ff2f0 | 4668 | (!ssid->passphrase || ssid->ssid_len != 0) && !ssid->ext_psk) |
2518aad3 JM |
4669 | return 1; |
4670 | ||
349493bd JM |
4671 | return 0; |
4672 | } | |
b9cfc09a JJ |
4673 | |
4674 | ||
4675 | int wpas_is_p2p_prioritized(struct wpa_supplicant *wpa_s) | |
4676 | { | |
4677 | if (wpa_s->global->conc_pref == WPA_CONC_PREF_P2P) | |
4678 | return 1; | |
4679 | if (wpa_s->global->conc_pref == WPA_CONC_PREF_STA) | |
4680 | return 0; | |
4681 | return -1; | |
4682 | } | |
00e5e3d5 JM |
4683 | |
4684 | ||
b19c098e | 4685 | void wpas_auth_failed(struct wpa_supplicant *wpa_s, char *reason) |
00e5e3d5 JM |
4686 | { |
4687 | struct wpa_ssid *ssid = wpa_s->current_ssid; | |
4688 | int dur; | |
4e1eae1d | 4689 | struct os_reltime now; |
00e5e3d5 JM |
4690 | |
4691 | if (ssid == NULL) { | |
4692 | wpa_printf(MSG_DEBUG, "Authentication failure but no known " | |
4693 | "SSID block"); | |
4694 | return; | |
4695 | } | |
4696 | ||
4697 | if (ssid->key_mgmt == WPA_KEY_MGMT_WPS) | |
4698 | return; | |
4699 | ||
4700 | ssid->auth_failures++; | |
cbf41ca7 SL |
4701 | |
4702 | #ifdef CONFIG_P2P | |
4703 | if (ssid->p2p_group && | |
4704 | (wpa_s->p2p_in_provisioning || wpa_s->show_group_started)) { | |
4705 | /* | |
4706 | * Skip the wait time since there is a short timeout on the | |
4707 | * connection to a P2P group. | |
4708 | */ | |
4709 | return; | |
4710 | } | |
4711 | #endif /* CONFIG_P2P */ | |
4712 | ||
00e5e3d5 JM |
4713 | if (ssid->auth_failures > 50) |
4714 | dur = 300; | |
00e5e3d5 | 4715 | else if (ssid->auth_failures > 10) |
8a77f1be | 4716 | dur = 120; |
00e5e3d5 | 4717 | else if (ssid->auth_failures > 5) |
8a77f1be JM |
4718 | dur = 90; |
4719 | else if (ssid->auth_failures > 3) | |
4720 | dur = 60; | |
4721 | else if (ssid->auth_failures > 2) | |
00e5e3d5 JM |
4722 | dur = 30; |
4723 | else if (ssid->auth_failures > 1) | |
4724 | dur = 20; | |
4725 | else | |
4726 | dur = 10; | |
4727 | ||
8a77f1be JM |
4728 | if (ssid->auth_failures > 1 && |
4729 | wpa_key_mgmt_wpa_ieee8021x(ssid->key_mgmt)) | |
4730 | dur += os_random() % (ssid->auth_failures * 10); | |
4731 | ||
4e1eae1d | 4732 | os_get_reltime(&now); |
00e5e3d5 JM |
4733 | if (now.sec + dur <= ssid->disabled_until.sec) |
4734 | return; | |
4735 | ||
4736 | ssid->disabled_until.sec = now.sec + dur; | |
4737 | ||
4738 | wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_TEMP_DISABLED | |
b19c098e | 4739 | "id=%d ssid=\"%s\" auth_failures=%u duration=%d reason=%s", |
00e5e3d5 | 4740 | ssid->id, wpa_ssid_txt(ssid->ssid, ssid->ssid_len), |
b19c098e | 4741 | ssid->auth_failures, dur, reason); |
00e5e3d5 JM |
4742 | } |
4743 | ||
4744 | ||
4745 | void wpas_clear_temp_disabled(struct wpa_supplicant *wpa_s, | |
4746 | struct wpa_ssid *ssid, int clear_failures) | |
4747 | { | |
4748 | if (ssid == NULL) | |
4749 | return; | |
4750 | ||
4751 | if (ssid->disabled_until.sec) { | |
4752 | wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_REENABLED | |
4753 | "id=%d ssid=\"%s\"", | |
4754 | ssid->id, wpa_ssid_txt(ssid->ssid, ssid->ssid_len)); | |
4755 | } | |
4756 | ssid->disabled_until.sec = 0; | |
4757 | ssid->disabled_until.usec = 0; | |
4758 | if (clear_failures) | |
4759 | ssid->auth_failures = 0; | |
4760 | } | |
6407f413 JM |
4761 | |
4762 | ||
4763 | int disallowed_bssid(struct wpa_supplicant *wpa_s, const u8 *bssid) | |
4764 | { | |
4765 | size_t i; | |
4766 | ||
4767 | if (wpa_s->disallow_aps_bssid == NULL) | |
4768 | return 0; | |
4769 | ||
4770 | for (i = 0; i < wpa_s->disallow_aps_bssid_count; i++) { | |
4771 | if (os_memcmp(wpa_s->disallow_aps_bssid + i * ETH_ALEN, | |
4772 | bssid, ETH_ALEN) == 0) | |
4773 | return 1; | |
4774 | } | |
4775 | ||
4776 | return 0; | |
4777 | } | |
4778 | ||
4779 | ||
4780 | int disallowed_ssid(struct wpa_supplicant *wpa_s, const u8 *ssid, | |
4781 | size_t ssid_len) | |
4782 | { | |
4783 | size_t i; | |
4784 | ||
4785 | if (wpa_s->disallow_aps_ssid == NULL || ssid == NULL) | |
4786 | return 0; | |
4787 | ||
4788 | for (i = 0; i < wpa_s->disallow_aps_ssid_count; i++) { | |
4789 | struct wpa_ssid_value *s = &wpa_s->disallow_aps_ssid[i]; | |
4790 | if (ssid_len == s->ssid_len && | |
4791 | os_memcmp(ssid, s->ssid, ssid_len) == 0) | |
4792 | return 1; | |
4793 | } | |
4794 | ||
4795 | return 0; | |
4796 | } | |
9796a86c JM |
4797 | |
4798 | ||
4799 | /** | |
4800 | * wpas_request_connection - Request a new connection | |
4801 | * @wpa_s: Pointer to the network interface | |
4802 | * | |
4803 | * This function is used to request a new connection to be found. It will mark | |
4804 | * the interface to allow reassociation and request a new scan to find a | |
4805 | * suitable network to connect to. | |
4806 | */ | |
4807 | void wpas_request_connection(struct wpa_supplicant *wpa_s) | |
4808 | { | |
4809 | wpa_s->normal_scans = 0; | |
4810 | wpa_supplicant_reinit_autoscan(wpa_s); | |
4811 | wpa_s->extra_blacklist_count = 0; | |
4812 | wpa_s->disconnected = 0; | |
4813 | wpa_s->reassociate = 1; | |
5e24beae MH |
4814 | |
4815 | if (wpa_supplicant_fast_associate(wpa_s) != 1) | |
4816 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
9796a86c | 4817 | } |
36b9883d DG |
4818 | |
4819 | ||
a0c90bb0 IP |
4820 | void dump_freq_data(struct wpa_supplicant *wpa_s, const char *title, |
4821 | struct wpa_used_freq_data *freqs_data, | |
4822 | unsigned int len) | |
4823 | { | |
4824 | unsigned int i; | |
4825 | ||
4826 | wpa_dbg(wpa_s, MSG_DEBUG, "Shared frequencies (len=%u): %s", | |
4827 | len, title); | |
4828 | for (i = 0; i < len; i++) { | |
4829 | struct wpa_used_freq_data *cur = &freqs_data[i]; | |
4830 | wpa_dbg(wpa_s, MSG_DEBUG, "freq[%u]: %d, flags=0x%X", | |
4831 | i, cur->freq, cur->flags); | |
4832 | } | |
4833 | } | |
4834 | ||
4835 | ||
53c5dfc2 IP |
4836 | /* |
4837 | * Find the operating frequencies of any of the virtual interfaces that | |
a0c90bb0 IP |
4838 | * are using the same radio as the current interface, and in addition, get |
4839 | * information about the interface types that are using the frequency. | |
53c5dfc2 | 4840 | */ |
a0c90bb0 IP |
4841 | int get_shared_radio_freqs_data(struct wpa_supplicant *wpa_s, |
4842 | struct wpa_used_freq_data *freqs_data, | |
4843 | unsigned int len) | |
53c5dfc2 | 4844 | { |
53c5dfc2 IP |
4845 | struct wpa_supplicant *ifs; |
4846 | u8 bssid[ETH_ALEN]; | |
4847 | int freq; | |
4848 | unsigned int idx = 0, i; | |
4849 | ||
217cf499 JM |
4850 | wpa_dbg(wpa_s, MSG_DEBUG, |
4851 | "Determining shared radio frequencies (max len %u)", len); | |
a0c90bb0 | 4852 | os_memset(freqs_data, 0, sizeof(struct wpa_used_freq_data) * len); |
53c5dfc2 | 4853 | |
0ad3b9c4 JM |
4854 | dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant, |
4855 | radio_list) { | |
a0c90bb0 IP |
4856 | if (idx == len) |
4857 | break; | |
4858 | ||
53c5dfc2 IP |
4859 | if (ifs->current_ssid == NULL || ifs->assoc_freq == 0) |
4860 | continue; | |
4861 | ||
4862 | if (ifs->current_ssid->mode == WPAS_MODE_AP || | |
4863 | ifs->current_ssid->mode == WPAS_MODE_P2P_GO) | |
4864 | freq = ifs->current_ssid->frequency; | |
4865 | else if (wpa_drv_get_bssid(ifs, bssid) == 0) | |
4866 | freq = ifs->assoc_freq; | |
4867 | else | |
4868 | continue; | |
4869 | ||
4870 | /* Hold only distinct freqs */ | |
4871 | for (i = 0; i < idx; i++) | |
a0c90bb0 | 4872 | if (freqs_data[i].freq == freq) |
53c5dfc2 IP |
4873 | break; |
4874 | ||
4875 | if (i == idx) | |
a0c90bb0 IP |
4876 | freqs_data[idx++].freq = freq; |
4877 | ||
4878 | if (ifs->current_ssid->mode == WPAS_MODE_INFRA) { | |
4879 | freqs_data[i].flags = ifs->current_ssid->p2p_group ? | |
4880 | WPA_FREQ_USED_BY_P2P_CLIENT : | |
4881 | WPA_FREQ_USED_BY_INFRA_STATION; | |
4882 | } | |
53c5dfc2 | 4883 | } |
217cf499 | 4884 | |
a0c90bb0 | 4885 | dump_freq_data(wpa_s, "completed iteration", freqs_data, idx); |
53c5dfc2 IP |
4886 | return idx; |
4887 | } | |
a0c90bb0 IP |
4888 | |
4889 | ||
4890 | /* | |
4891 | * Find the operating frequencies of any of the virtual interfaces that | |
4892 | * are using the same radio as the current interface. | |
4893 | */ | |
4894 | int get_shared_radio_freqs(struct wpa_supplicant *wpa_s, | |
4895 | int *freq_array, unsigned int len) | |
4896 | { | |
4897 | struct wpa_used_freq_data *freqs_data; | |
4898 | int num, i; | |
4899 | ||
4900 | os_memset(freq_array, 0, sizeof(int) * len); | |
4901 | ||
4902 | freqs_data = os_calloc(len, sizeof(struct wpa_used_freq_data)); | |
4903 | if (!freqs_data) | |
4904 | return -1; | |
4905 | ||
4906 | num = get_shared_radio_freqs_data(wpa_s, freqs_data, len); | |
4907 | for (i = 0; i < num; i++) | |
4908 | freq_array[i] = freqs_data[i].freq; | |
4909 | ||
4910 | os_free(freqs_data); | |
4911 | ||
4912 | return num; | |
4913 | } | |
b361d580 AK |
4914 | |
4915 | ||
d89c0701 AK |
4916 | static void wpas_rrm_neighbor_rep_timeout_handler(void *data, void *user_ctx) |
4917 | { | |
4918 | struct rrm_data *rrm = data; | |
4919 | ||
4920 | if (!rrm->notify_neighbor_rep) { | |
4921 | wpa_printf(MSG_ERROR, | |
4922 | "RRM: Unexpected neighbor report timeout"); | |
4923 | return; | |
4924 | } | |
4925 | ||
4926 | wpa_printf(MSG_DEBUG, "RRM: Notifying neighbor report - NONE"); | |
4927 | rrm->notify_neighbor_rep(rrm->neighbor_rep_cb_ctx, NULL); | |
4928 | ||
4929 | rrm->notify_neighbor_rep = NULL; | |
4930 | rrm->neighbor_rep_cb_ctx = NULL; | |
4931 | } | |
4932 | ||
4933 | ||
b361d580 AK |
4934 | /* |
4935 | * wpas_rrm_reset - Clear and reset all RRM data in wpa_supplicant | |
4936 | * @wpa_s: Pointer to wpa_supplicant | |
4937 | */ | |
4938 | void wpas_rrm_reset(struct wpa_supplicant *wpa_s) | |
4939 | { | |
4940 | wpa_s->rrm.rrm_used = 0; | |
d89c0701 AK |
4941 | |
4942 | eloop_cancel_timeout(wpas_rrm_neighbor_rep_timeout_handler, &wpa_s->rrm, | |
4943 | NULL); | |
4944 | if (wpa_s->rrm.notify_neighbor_rep) | |
4945 | wpas_rrm_neighbor_rep_timeout_handler(&wpa_s->rrm, NULL); | |
4946 | wpa_s->rrm.next_neighbor_rep_token = 1; | |
4947 | } | |
4948 | ||
4949 | ||
4950 | /* | |
4951 | * wpas_rrm_process_neighbor_rep - Handle incoming neighbor report | |
4952 | * @wpa_s: Pointer to wpa_supplicant | |
4953 | * @report: Neighbor report buffer, prefixed by a 1-byte dialog token | |
4954 | * @report_len: Length of neighbor report buffer | |
4955 | */ | |
4956 | void wpas_rrm_process_neighbor_rep(struct wpa_supplicant *wpa_s, | |
4957 | const u8 *report, size_t report_len) | |
4958 | { | |
4959 | struct wpabuf *neighbor_rep; | |
4960 | ||
4961 | wpa_hexdump(MSG_DEBUG, "RRM: New Neighbor Report", report, report_len); | |
4962 | if (report_len < 1) | |
4963 | return; | |
4964 | ||
4965 | if (report[0] != wpa_s->rrm.next_neighbor_rep_token - 1) { | |
4966 | wpa_printf(MSG_DEBUG, | |
4967 | "RRM: Discarding neighbor report with token %d (expected %d)", | |
4968 | report[0], wpa_s->rrm.next_neighbor_rep_token - 1); | |
4969 | return; | |
4970 | } | |
4971 | ||
4972 | eloop_cancel_timeout(wpas_rrm_neighbor_rep_timeout_handler, &wpa_s->rrm, | |
4973 | NULL); | |
4974 | ||
4975 | if (!wpa_s->rrm.notify_neighbor_rep) { | |
4976 | wpa_printf(MSG_ERROR, "RRM: Unexpected neighbor report"); | |
4977 | return; | |
4978 | } | |
4979 | ||
4980 | /* skipping the first byte, which is only an id (dialog token) */ | |
4981 | neighbor_rep = wpabuf_alloc(report_len - 1); | |
4982 | if (neighbor_rep == NULL) | |
4983 | return; | |
4984 | wpabuf_put_data(neighbor_rep, report + 1, report_len - 1); | |
4985 | wpa_printf(MSG_DEBUG, "RRM: Notifying neighbor report (token = %d)", | |
4986 | report[0]); | |
4987 | wpa_s->rrm.notify_neighbor_rep(wpa_s->rrm.neighbor_rep_cb_ctx, | |
4988 | neighbor_rep); | |
4989 | wpa_s->rrm.notify_neighbor_rep = NULL; | |
4990 | wpa_s->rrm.neighbor_rep_cb_ctx = NULL; | |
4991 | } | |
4992 | ||
4993 | ||
4994 | /** | |
4995 | * wpas_rrm_send_neighbor_rep_request - Request a neighbor report from our AP | |
4996 | * @wpa_s: Pointer to wpa_supplicant | |
4c4b2305 AK |
4997 | * @ssid: if not null, this is sent in the request. Otherwise, no SSID IE |
4998 | * is sent in the request. | |
d89c0701 AK |
4999 | * @cb: Callback function to be called once the requested report arrives, or |
5000 | * timed out after RRM_NEIGHBOR_REPORT_TIMEOUT seconds. | |
5001 | * In the former case, 'neighbor_rep' is a newly allocated wpabuf, and it's | |
5002 | * the requester's responsibility to free it. | |
5003 | * In the latter case NULL will be sent in 'neighbor_rep'. | |
5004 | * @cb_ctx: Context value to send the callback function | |
5005 | * Returns: 0 in case of success, negative error code otherwise | |
5006 | * | |
5007 | * In case there is a previous request which has not been answered yet, the | |
5008 | * new request fails. The caller may retry after RRM_NEIGHBOR_REPORT_TIMEOUT. | |
5009 | * Request must contain a callback function. | |
d89c0701 AK |
5010 | */ |
5011 | int wpas_rrm_send_neighbor_rep_request(struct wpa_supplicant *wpa_s, | |
4c4b2305 | 5012 | const struct wpa_ssid *ssid, |
d89c0701 AK |
5013 | void (*cb)(void *ctx, |
5014 | struct wpabuf *neighbor_rep), | |
5015 | void *cb_ctx) | |
5016 | { | |
5017 | struct wpabuf *buf; | |
5018 | const u8 *rrm_ie; | |
5019 | ||
5020 | if (wpa_s->wpa_state != WPA_COMPLETED || wpa_s->current_ssid == NULL) { | |
5021 | wpa_printf(MSG_DEBUG, "RRM: No connection, no RRM."); | |
5022 | return -ENOTCONN; | |
5023 | } | |
5024 | ||
5025 | if (!wpa_s->rrm.rrm_used) { | |
5026 | wpa_printf(MSG_DEBUG, "RRM: No RRM in current connection."); | |
5027 | return -EOPNOTSUPP; | |
5028 | } | |
5029 | ||
5030 | rrm_ie = wpa_bss_get_ie(wpa_s->current_bss, | |
5031 | WLAN_EID_RRM_ENABLED_CAPABILITIES); | |
5032 | if (!rrm_ie || !(wpa_s->current_bss->caps & IEEE80211_CAP_RRM) || | |
5033 | !(rrm_ie[2] & WLAN_RRM_CAPS_NEIGHBOR_REPORT)) { | |
5034 | wpa_printf(MSG_DEBUG, | |
5035 | "RRM: No network support for Neighbor Report."); | |
5036 | return -EOPNOTSUPP; | |
5037 | } | |
5038 | ||
5039 | if (!cb) { | |
5040 | wpa_printf(MSG_DEBUG, | |
5041 | "RRM: Neighbor Report request must provide a callback."); | |
5042 | return -EINVAL; | |
5043 | } | |
5044 | ||
5045 | /* Refuse if there's a live request */ | |
5046 | if (wpa_s->rrm.notify_neighbor_rep) { | |
5047 | wpa_printf(MSG_DEBUG, | |
5048 | "RRM: Currently handling previous Neighbor Report."); | |
5049 | return -EBUSY; | |
5050 | } | |
5051 | ||
4c4b2305 AK |
5052 | /* 3 = action category + action code + dialog token */ |
5053 | buf = wpabuf_alloc(3 + (ssid ? 2 + ssid->ssid_len : 0)); | |
d89c0701 AK |
5054 | if (buf == NULL) { |
5055 | wpa_printf(MSG_DEBUG, | |
5056 | "RRM: Failed to allocate Neighbor Report Request"); | |
5057 | return -ENOMEM; | |
5058 | } | |
5059 | ||
5060 | wpa_printf(MSG_DEBUG, "RRM: Neighbor report request (for %s), token=%d", | |
4c4b2305 | 5061 | (ssid ? wpa_ssid_txt(ssid->ssid, ssid->ssid_len) : ""), |
d89c0701 AK |
5062 | wpa_s->rrm.next_neighbor_rep_token); |
5063 | ||
5064 | wpabuf_put_u8(buf, WLAN_ACTION_RADIO_MEASUREMENT); | |
5065 | wpabuf_put_u8(buf, WLAN_RRM_NEIGHBOR_REPORT_REQUEST); | |
5066 | wpabuf_put_u8(buf, wpa_s->rrm.next_neighbor_rep_token); | |
4c4b2305 AK |
5067 | if (ssid) { |
5068 | wpabuf_put_u8(buf, WLAN_EID_SSID); | |
5069 | wpabuf_put_u8(buf, ssid->ssid_len); | |
5070 | wpabuf_put_data(buf, ssid->ssid, ssid->ssid_len); | |
5071 | } | |
d89c0701 AK |
5072 | |
5073 | wpa_s->rrm.next_neighbor_rep_token++; | |
5074 | ||
5075 | if (wpa_drv_send_action(wpa_s, wpa_s->assoc_freq, 0, wpa_s->bssid, | |
5076 | wpa_s->own_addr, wpa_s->bssid, | |
5077 | wpabuf_head(buf), wpabuf_len(buf), 0) < 0) { | |
5078 | wpa_printf(MSG_DEBUG, | |
5079 | "RRM: Failed to send Neighbor Report Request"); | |
5080 | wpabuf_free(buf); | |
5081 | return -ECANCELED; | |
5082 | } | |
5083 | ||
5084 | wpa_s->rrm.neighbor_rep_cb_ctx = cb_ctx; | |
5085 | wpa_s->rrm.notify_neighbor_rep = cb; | |
5086 | eloop_register_timeout(RRM_NEIGHBOR_REPORT_TIMEOUT, 0, | |
5087 | wpas_rrm_neighbor_rep_timeout_handler, | |
5088 | &wpa_s->rrm, NULL); | |
5089 | ||
5090 | wpabuf_free(buf); | |
5091 | return 0; | |
b361d580 | 5092 | } |
70d1e728 AO |
5093 | |
5094 | ||
5095 | void wpas_rrm_handle_link_measurement_request(struct wpa_supplicant *wpa_s, | |
5096 | const u8 *src, | |
5097 | const u8 *frame, size_t len, | |
5098 | int rssi) | |
5099 | { | |
5100 | struct wpabuf *buf; | |
5101 | const struct rrm_link_measurement_request *req; | |
5102 | struct rrm_link_measurement_report report; | |
5103 | ||
5104 | if (wpa_s->wpa_state != WPA_COMPLETED) { | |
5105 | wpa_printf(MSG_INFO, | |
5106 | "RRM: Ignoring link measurement request. Not associated"); | |
5107 | return; | |
5108 | } | |
5109 | ||
5110 | if (!wpa_s->rrm.rrm_used) { | |
5111 | wpa_printf(MSG_INFO, | |
5112 | "RRM: Ignoring link measurement request. Not RRM network"); | |
5113 | return; | |
5114 | } | |
5115 | ||
5116 | if (!(wpa_s->drv_rrm_flags & WPA_DRIVER_FLAGS_TX_POWER_INSERTION)) { | |
5117 | wpa_printf(MSG_INFO, | |
5118 | "RRM: Measurement report failed. TX power insertion not supported"); | |
5119 | return; | |
5120 | } | |
5121 | ||
5122 | req = (const struct rrm_link_measurement_request *) frame; | |
5123 | if (len < sizeof(*req)) { | |
5124 | wpa_printf(MSG_INFO, | |
5125 | "RRM: Link measurement report failed. Request too short"); | |
5126 | return; | |
5127 | } | |
5128 | ||
5129 | os_memset(&report, 0, sizeof(report)); | |
5130 | report.tpc.eid = WLAN_EID_TPC_REPORT; | |
5131 | report.tpc.len = 2; | |
5132 | report.rsni = 255; /* 255 indicates that RSNI is not available */ | |
5133 | report.dialog_token = req->dialog_token; | |
5134 | ||
5135 | /* | |
5136 | * It's possible to estimate RCPI based on RSSI in dBm. This | |
5137 | * calculation will not reflect the correct value for high rates, | |
5138 | * but it's good enough for Action frames which are transmitted | |
5139 | * with up to 24 Mbps rates. | |
5140 | */ | |
5141 | if (!rssi) | |
5142 | report.rcpi = 255; /* not available */ | |
5143 | else if (rssi < -110) | |
5144 | report.rcpi = 0; | |
5145 | else if (rssi > 0) | |
5146 | report.rcpi = 220; | |
5147 | else | |
5148 | report.rcpi = (rssi + 110) * 2; | |
5149 | ||
5150 | /* action_category + action_code */ | |
5151 | buf = wpabuf_alloc(2 + sizeof(report)); | |
5152 | if (buf == NULL) { | |
5153 | wpa_printf(MSG_ERROR, | |
5154 | "RRM: Link measurement report failed. Buffer allocation failed"); | |
5155 | return; | |
5156 | } | |
5157 | ||
5158 | wpabuf_put_u8(buf, WLAN_ACTION_RADIO_MEASUREMENT); | |
5159 | wpabuf_put_u8(buf, WLAN_RRM_LINK_MEASUREMENT_REPORT); | |
5160 | wpabuf_put_data(buf, &report, sizeof(report)); | |
5161 | wpa_hexdump(MSG_DEBUG, "RRM: Link measurement report:", | |
5162 | wpabuf_head(buf), wpabuf_len(buf)); | |
5163 | ||
5164 | if (wpa_drv_send_action(wpa_s, wpa_s->assoc_freq, 0, src, | |
5165 | wpa_s->own_addr, wpa_s->bssid, | |
5166 | wpabuf_head(buf), wpabuf_len(buf), 0)) { | |
5167 | wpa_printf(MSG_ERROR, | |
5168 | "RRM: Link measurement report failed. Send action failed"); | |
5169 | } | |
5170 | wpabuf_free(buf); | |
5171 | } |