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6fc6879b JM |
1 | /* |
2 | * WPA Supplicant | |
5e3b5197 | 3 | * Copyright (c) 2003-2015, 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" |
6b8b0774 | 36 | #include "common/hw_features_common.h" |
72044390 | 37 | #include "p2p/p2p.h" |
6fc6879b JM |
38 | #include "blacklist.h" |
39 | #include "wpas_glue.h" | |
116654ce | 40 | #include "wps_supplicant.h" |
11ef8d35 | 41 | #include "ibss_rsn.h" |
c2a04078 | 42 | #include "sme.h" |
04ea7b79 | 43 | #include "gas_query.h" |
1f1b62a0 | 44 | #include "ap.h" |
b22128ef | 45 | #include "p2p_supplicant.h" |
9675ce35 | 46 | #include "wifi_display.h" |
8bac466b | 47 | #include "notify.h" |
60b94c98 | 48 | #include "bgscan.h" |
7c865c68 | 49 | #include "autoscan.h" |
83922c2d | 50 | #include "bss.h" |
9ba9fa07 | 51 | #include "scan.h" |
24f6497c | 52 | #include "offchannel.h" |
cb418324 | 53 | #include "hs20_supplicant.h" |
e27d20bb | 54 | #include "wnm_sta.h" |
dd10abcc | 55 | #include "wpas_kay.h" |
603a3f34 | 56 | #include "mesh.h" |
6fc6879b JM |
57 | |
58 | const char *wpa_supplicant_version = | |
59 | "wpa_supplicant v" VERSION_STR "\n" | |
937403b5 | 60 | "Copyright (c) 2003-2015, Jouni Malinen <j@w1.fi> and contributors"; |
6fc6879b JM |
61 | |
62 | const char *wpa_supplicant_license = | |
331f89ff JM |
63 | "This software may be distributed under the terms of the BSD license.\n" |
64 | "See README for more details.\n" | |
6fc6879b JM |
65 | #ifdef EAP_TLS_OPENSSL |
66 | "\nThis product includes software developed by the OpenSSL Project\n" | |
67 | "for use in the OpenSSL Toolkit (http://www.openssl.org/)\n" | |
68 | #endif /* EAP_TLS_OPENSSL */ | |
69 | ; | |
70 | ||
71 | #ifndef CONFIG_NO_STDOUT_DEBUG | |
72 | /* Long text divided into parts in order to fit in C89 strings size limits. */ | |
73 | const char *wpa_supplicant_full_license1 = | |
331f89ff | 74 | ""; |
6fc6879b | 75 | const char *wpa_supplicant_full_license2 = |
331f89ff | 76 | "This software may be distributed under the terms of the BSD license.\n" |
6fc6879b JM |
77 | "\n" |
78 | "Redistribution and use in source and binary forms, with or without\n" | |
79 | "modification, are permitted provided that the following conditions are\n" | |
80 | "met:\n" | |
81 | "\n"; | |
82 | const char *wpa_supplicant_full_license3 = | |
83 | "1. Redistributions of source code must retain the above copyright\n" | |
84 | " notice, this list of conditions and the following disclaimer.\n" | |
85 | "\n" | |
86 | "2. Redistributions in binary form must reproduce the above copyright\n" | |
87 | " notice, this list of conditions and the following disclaimer in the\n" | |
88 | " documentation and/or other materials provided with the distribution.\n" | |
89 | "\n"; | |
90 | const char *wpa_supplicant_full_license4 = | |
91 | "3. Neither the name(s) of the above-listed copyright holder(s) nor the\n" | |
92 | " names of its contributors may be used to endorse or promote products\n" | |
93 | " derived from this software without specific prior written permission.\n" | |
94 | "\n" | |
95 | "THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\n" | |
96 | "\"AS IS\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\n" | |
97 | "LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\n" | |
98 | "A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT\n"; | |
99 | const char *wpa_supplicant_full_license5 = | |
100 | "OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\n" | |
101 | "SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\n" | |
102 | "LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\n" | |
103 | "DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\n" | |
104 | "THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n" | |
105 | "(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\n" | |
106 | "OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n" | |
107 | "\n"; | |
108 | #endif /* CONFIG_NO_STDOUT_DEBUG */ | |
109 | ||
6fc6879b | 110 | /* Configure default/group WEP keys for static WEP */ |
0194fedb | 111 | int wpa_set_wep_keys(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid) |
6fc6879b JM |
112 | { |
113 | int i, set = 0; | |
114 | ||
115 | for (i = 0; i < NUM_WEP_KEYS; i++) { | |
116 | if (ssid->wep_key_len[i] == 0) | |
117 | continue; | |
118 | ||
119 | set = 1; | |
0382097e | 120 | wpa_drv_set_key(wpa_s, WPA_ALG_WEP, NULL, |
da64c266 | 121 | i, i == ssid->wep_tx_keyidx, NULL, 0, |
6fc6879b JM |
122 | ssid->wep_key[i], ssid->wep_key_len[i]); |
123 | } | |
124 | ||
125 | return set; | |
126 | } | |
127 | ||
128 | ||
6ea1f413 JM |
129 | int wpa_supplicant_set_wpa_none_key(struct wpa_supplicant *wpa_s, |
130 | struct wpa_ssid *ssid) | |
6fc6879b JM |
131 | { |
132 | u8 key[32]; | |
133 | size_t keylen; | |
71934751 | 134 | enum wpa_alg alg; |
6fc6879b | 135 | u8 seq[6] = { 0 }; |
658da804 | 136 | int ret; |
6fc6879b JM |
137 | |
138 | /* IBSS/WPA-None uses only one key (Group) for both receiving and | |
139 | * sending unicast and multicast packets. */ | |
140 | ||
d7dcba70 | 141 | if (ssid->mode != WPAS_MODE_IBSS) { |
f049052b BG |
142 | wpa_msg(wpa_s, MSG_INFO, "WPA: Invalid mode %d (not " |
143 | "IBSS/ad-hoc) for WPA-None", ssid->mode); | |
6fc6879b JM |
144 | return -1; |
145 | } | |
146 | ||
147 | if (!ssid->psk_set) { | |
f049052b BG |
148 | wpa_msg(wpa_s, MSG_INFO, "WPA: No PSK configured for " |
149 | "WPA-None"); | |
6fc6879b JM |
150 | return -1; |
151 | } | |
152 | ||
153 | switch (wpa_s->group_cipher) { | |
154 | case WPA_CIPHER_CCMP: | |
155 | os_memcpy(key, ssid->psk, 16); | |
156 | keylen = 16; | |
157 | alg = WPA_ALG_CCMP; | |
158 | break; | |
eb7719ff JM |
159 | case WPA_CIPHER_GCMP: |
160 | os_memcpy(key, ssid->psk, 16); | |
161 | keylen = 16; | |
162 | alg = WPA_ALG_GCMP; | |
163 | break; | |
6fc6879b JM |
164 | case WPA_CIPHER_TKIP: |
165 | /* WPA-None uses the same Michael MIC key for both TX and RX */ | |
166 | os_memcpy(key, ssid->psk, 16 + 8); | |
167 | os_memcpy(key + 16 + 8, ssid->psk + 16, 8); | |
168 | keylen = 32; | |
169 | alg = WPA_ALG_TKIP; | |
170 | break; | |
171 | default: | |
f049052b BG |
172 | wpa_msg(wpa_s, MSG_INFO, "WPA: Invalid group cipher %d for " |
173 | "WPA-None", wpa_s->group_cipher); | |
6fc6879b JM |
174 | return -1; |
175 | } | |
176 | ||
177 | /* TODO: should actually remember the previously used seq#, both for TX | |
178 | * and RX from each STA.. */ | |
179 | ||
658da804 JM |
180 | ret = wpa_drv_set_key(wpa_s, alg, NULL, 0, 1, seq, 6, key, keylen); |
181 | os_memset(key, 0, sizeof(key)); | |
182 | return ret; | |
6fc6879b JM |
183 | } |
184 | ||
185 | ||
186 | static void wpa_supplicant_timeout(void *eloop_ctx, void *timeout_ctx) | |
187 | { | |
188 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
189 | const u8 *bssid = wpa_s->bssid; | |
a8e16edc | 190 | if (is_zero_ether_addr(bssid)) |
6fc6879b JM |
191 | bssid = wpa_s->pending_bssid; |
192 | wpa_msg(wpa_s, MSG_INFO, "Authentication with " MACSTR " timed out.", | |
193 | MAC2STR(bssid)); | |
194 | wpa_blacklist_add(wpa_s, bssid); | |
195 | wpa_sm_notify_disassoc(wpa_s->wpa); | |
07783eaa | 196 | wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING); |
6fc6879b | 197 | wpa_s->reassociate = 1; |
48b84f18 BG |
198 | |
199 | /* | |
200 | * If we timed out, the AP or the local radio may be busy. | |
201 | * So, wait a second until scanning again. | |
202 | */ | |
203 | wpa_supplicant_req_scan(wpa_s, 1, 0); | |
6fc6879b JM |
204 | } |
205 | ||
206 | ||
207 | /** | |
208 | * wpa_supplicant_req_auth_timeout - Schedule a timeout for authentication | |
209 | * @wpa_s: Pointer to wpa_supplicant data | |
210 | * @sec: Number of seconds after which to time out authentication | |
211 | * @usec: Number of microseconds after which to time out authentication | |
212 | * | |
213 | * This function is used to schedule a timeout for the current authentication | |
214 | * attempt. | |
215 | */ | |
216 | void wpa_supplicant_req_auth_timeout(struct wpa_supplicant *wpa_s, | |
217 | int sec, int usec) | |
218 | { | |
a2a535f8 | 219 | if (wpa_s->conf->ap_scan == 0 && |
c2a04078 | 220 | (wpa_s->drv_flags & WPA_DRIVER_FLAGS_WIRED)) |
6fc6879b JM |
221 | return; |
222 | ||
f049052b | 223 | wpa_dbg(wpa_s, MSG_DEBUG, "Setting authentication timeout: %d sec " |
6fc6879b JM |
224 | "%d usec", sec, usec); |
225 | eloop_cancel_timeout(wpa_supplicant_timeout, wpa_s, NULL); | |
226 | eloop_register_timeout(sec, usec, wpa_supplicant_timeout, wpa_s, NULL); | |
227 | } | |
228 | ||
229 | ||
230 | /** | |
231 | * wpa_supplicant_cancel_auth_timeout - Cancel authentication timeout | |
232 | * @wpa_s: Pointer to wpa_supplicant data | |
233 | * | |
234 | * This function is used to cancel authentication timeout scheduled with | |
235 | * wpa_supplicant_req_auth_timeout() and it is called when authentication has | |
236 | * been completed. | |
237 | */ | |
238 | void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant *wpa_s) | |
239 | { | |
f049052b | 240 | wpa_dbg(wpa_s, MSG_DEBUG, "Cancelling authentication timeout"); |
6fc6879b JM |
241 | eloop_cancel_timeout(wpa_supplicant_timeout, wpa_s, NULL); |
242 | wpa_blacklist_del(wpa_s, wpa_s->bssid); | |
243 | } | |
244 | ||
245 | ||
246 | /** | |
247 | * wpa_supplicant_initiate_eapol - Configure EAPOL state machine | |
248 | * @wpa_s: Pointer to wpa_supplicant data | |
249 | * | |
250 | * This function is used to configure EAPOL state machine based on the selected | |
251 | * authentication mode. | |
252 | */ | |
253 | void wpa_supplicant_initiate_eapol(struct wpa_supplicant *wpa_s) | |
254 | { | |
255 | #ifdef IEEE8021X_EAPOL | |
256 | struct eapol_config eapol_conf; | |
257 | struct wpa_ssid *ssid = wpa_s->current_ssid; | |
258 | ||
53895c3b | 259 | #ifdef CONFIG_IBSS_RSN |
d7dcba70 | 260 | if (ssid->mode == WPAS_MODE_IBSS && |
53895c3b JM |
261 | wpa_s->key_mgmt != WPA_KEY_MGMT_NONE && |
262 | wpa_s->key_mgmt != WPA_KEY_MGMT_WPA_NONE) { | |
263 | /* | |
264 | * RSN IBSS authentication is per-STA and we can disable the | |
265 | * per-BSSID EAPOL authentication. | |
266 | */ | |
267 | eapol_sm_notify_portControl(wpa_s->eapol, ForceAuthorized); | |
268 | eapol_sm_notify_eap_success(wpa_s->eapol, TRUE); | |
269 | eapol_sm_notify_eap_fail(wpa_s->eapol, FALSE); | |
270 | return; | |
271 | } | |
272 | #endif /* CONFIG_IBSS_RSN */ | |
273 | ||
0a40ec6a JM |
274 | eapol_sm_notify_eap_success(wpa_s->eapol, FALSE); |
275 | eapol_sm_notify_eap_fail(wpa_s->eapol, FALSE); | |
276 | ||
6fc6879b JM |
277 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE || |
278 | wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) | |
279 | eapol_sm_notify_portControl(wpa_s->eapol, ForceAuthorized); | |
280 | else | |
281 | eapol_sm_notify_portControl(wpa_s->eapol, Auto); | |
282 | ||
283 | os_memset(&eapol_conf, 0, sizeof(eapol_conf)); | |
284 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) { | |
285 | eapol_conf.accept_802_1x_keys = 1; | |
286 | eapol_conf.required_keys = 0; | |
287 | if (ssid->eapol_flags & EAPOL_FLAG_REQUIRE_KEY_UNICAST) { | |
288 | eapol_conf.required_keys |= EAPOL_REQUIRE_KEY_UNICAST; | |
289 | } | |
290 | if (ssid->eapol_flags & EAPOL_FLAG_REQUIRE_KEY_BROADCAST) { | |
291 | eapol_conf.required_keys |= | |
292 | EAPOL_REQUIRE_KEY_BROADCAST; | |
293 | } | |
294 | ||
a2a535f8 | 295 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_WIRED) |
6fc6879b | 296 | eapol_conf.required_keys = 0; |
6fc6879b | 297 | } |
a2a535f8 | 298 | eapol_conf.fast_reauth = wpa_s->conf->fast_reauth; |
6fc6879b | 299 | eapol_conf.workaround = ssid->eap_workaround; |
56586197 JM |
300 | eapol_conf.eap_disabled = |
301 | !wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) && | |
ad08c363 JM |
302 | wpa_s->key_mgmt != WPA_KEY_MGMT_IEEE8021X_NO_WPA && |
303 | wpa_s->key_mgmt != WPA_KEY_MGMT_WPS; | |
a5d44ac0 | 304 | eapol_conf.external_sim = wpa_s->conf->external_sim; |
3f7ac058 JS |
305 | |
306 | #ifdef CONFIG_WPS | |
307 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS) { | |
308 | eapol_conf.wps |= EAPOL_LOCAL_WPS_IN_USE; | |
309 | if (wpa_s->current_bss) { | |
310 | struct wpabuf *ie; | |
311 | ie = wpa_bss_get_vendor_ie_multi(wpa_s->current_bss, | |
312 | WPS_IE_VENDOR_TYPE); | |
313 | if (ie) { | |
314 | if (wps_is_20(ie)) | |
315 | eapol_conf.wps |= | |
316 | EAPOL_PEER_IS_WPS20_AP; | |
317 | wpabuf_free(ie); | |
318 | } | |
319 | } | |
320 | } | |
321 | #endif /* CONFIG_WPS */ | |
322 | ||
6fc6879b | 323 | eapol_sm_notify_config(wpa_s->eapol, &ssid->eap, &eapol_conf); |
dd10abcc HW |
324 | |
325 | ieee802_1x_alloc_kay_sm(wpa_s, ssid); | |
cd3153a9 | 326 | #endif /* IEEE8021X_EAPOL */ |
6fc6879b JM |
327 | } |
328 | ||
329 | ||
330 | /** | |
331 | * wpa_supplicant_set_non_wpa_policy - Set WPA parameters to non-WPA mode | |
332 | * @wpa_s: Pointer to wpa_supplicant data | |
333 | * @ssid: Configuration data for the network | |
334 | * | |
335 | * This function is used to configure WPA state machine and related parameters | |
336 | * to a mode where WPA is not enabled. This is called as part of the | |
337 | * authentication configuration when the selected network does not use WPA. | |
338 | */ | |
339 | void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant *wpa_s, | |
340 | struct wpa_ssid *ssid) | |
341 | { | |
342 | int i; | |
343 | ||
ad08c363 JM |
344 | if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) |
345 | wpa_s->key_mgmt = WPA_KEY_MGMT_WPS; | |
346 | else if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) | |
6fc6879b JM |
347 | wpa_s->key_mgmt = WPA_KEY_MGMT_IEEE8021X_NO_WPA; |
348 | else | |
349 | wpa_s->key_mgmt = WPA_KEY_MGMT_NONE; | |
350 | wpa_sm_set_ap_wpa_ie(wpa_s->wpa, NULL, 0); | |
351 | wpa_sm_set_ap_rsn_ie(wpa_s->wpa, NULL, 0); | |
352 | wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0); | |
353 | wpa_s->pairwise_cipher = WPA_CIPHER_NONE; | |
354 | wpa_s->group_cipher = WPA_CIPHER_NONE; | |
355 | wpa_s->mgmt_group_cipher = 0; | |
356 | ||
357 | for (i = 0; i < NUM_WEP_KEYS; i++) { | |
358 | if (ssid->wep_key_len[i] > 5) { | |
359 | wpa_s->pairwise_cipher = WPA_CIPHER_WEP104; | |
360 | wpa_s->group_cipher = WPA_CIPHER_WEP104; | |
361 | break; | |
362 | } else if (ssid->wep_key_len[i] > 0) { | |
363 | wpa_s->pairwise_cipher = WPA_CIPHER_WEP40; | |
364 | wpa_s->group_cipher = WPA_CIPHER_WEP40; | |
365 | break; | |
366 | } | |
367 | } | |
368 | ||
369 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_RSN_ENABLED, 0); | |
370 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_KEY_MGMT, wpa_s->key_mgmt); | |
371 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_PAIRWISE, | |
372 | wpa_s->pairwise_cipher); | |
373 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_GROUP, wpa_s->group_cipher); | |
374 | #ifdef CONFIG_IEEE80211W | |
375 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_MGMT_GROUP, | |
376 | wpa_s->mgmt_group_cipher); | |
377 | #endif /* CONFIG_IEEE80211W */ | |
378 | ||
379 | pmksa_cache_clear_current(wpa_s->wpa); | |
380 | } | |
381 | ||
382 | ||
6979582c | 383 | void free_hw_features(struct wpa_supplicant *wpa_s) |
6bf731e8 CL |
384 | { |
385 | int i; | |
386 | if (wpa_s->hw.modes == NULL) | |
387 | return; | |
388 | ||
389 | for (i = 0; i < wpa_s->hw.num_modes; i++) { | |
390 | os_free(wpa_s->hw.modes[i].channels); | |
391 | os_free(wpa_s->hw.modes[i].rates); | |
392 | } | |
393 | ||
394 | os_free(wpa_s->hw.modes); | |
395 | wpa_s->hw.modes = NULL; | |
396 | } | |
397 | ||
398 | ||
6fc6879b JM |
399 | static void wpa_supplicant_cleanup(struct wpa_supplicant *wpa_s) |
400 | { | |
86bd36f0 JM |
401 | int i; |
402 | ||
60b94c98 | 403 | bgscan_deinit(wpa_s); |
7c865c68 | 404 | autoscan_deinit(wpa_s); |
6fc6879b JM |
405 | scard_deinit(wpa_s->scard); |
406 | wpa_s->scard = NULL; | |
407 | wpa_sm_set_scard_ctx(wpa_s->wpa, NULL); | |
408 | eapol_sm_register_scard_ctx(wpa_s->eapol, NULL); | |
409 | l2_packet_deinit(wpa_s->l2); | |
410 | wpa_s->l2 = NULL; | |
411 | if (wpa_s->l2_br) { | |
412 | l2_packet_deinit(wpa_s->l2_br); | |
413 | wpa_s->l2_br = NULL; | |
414 | } | |
4a6cc862 JM |
415 | #ifdef CONFIG_TESTING_OPTIONS |
416 | l2_packet_deinit(wpa_s->l2_test); | |
417 | wpa_s->l2_test = NULL; | |
418 | #endif /* CONFIG_TESTING_OPTIONS */ | |
6fc6879b | 419 | |
6fc6879b | 420 | if (wpa_s->conf != NULL) { |
8e56d189 JM |
421 | struct wpa_ssid *ssid; |
422 | for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) | |
423 | wpas_notify_network_removed(wpa_s, ssid); | |
6fc6879b JM |
424 | } |
425 | ||
426 | os_free(wpa_s->confname); | |
427 | wpa_s->confname = NULL; | |
428 | ||
e6304cad DS |
429 | os_free(wpa_s->confanother); |
430 | wpa_s->confanother = NULL; | |
431 | ||
6fc6879b JM |
432 | wpa_sm_set_eapol(wpa_s->wpa, NULL); |
433 | eapol_sm_deinit(wpa_s->eapol); | |
434 | wpa_s->eapol = NULL; | |
435 | ||
436 | rsn_preauth_deinit(wpa_s->wpa); | |
437 | ||
281ff0aa GP |
438 | #ifdef CONFIG_TDLS |
439 | wpa_tdls_deinit(wpa_s->wpa); | |
440 | #endif /* CONFIG_TDLS */ | |
441 | ||
8c42b369 | 442 | wmm_ac_clear_saved_tspecs(wpa_s); |
6fc6879b JM |
443 | pmksa_candidate_free(wpa_s->wpa); |
444 | wpa_sm_deinit(wpa_s->wpa); | |
445 | wpa_s->wpa = NULL; | |
446 | wpa_blacklist_clear(wpa_s); | |
447 | ||
83922c2d | 448 | wpa_bss_deinit(wpa_s); |
6fc6879b | 449 | |
831770bf | 450 | wpa_supplicant_cancel_delayed_sched_scan(wpa_s); |
6fc6879b JM |
451 | wpa_supplicant_cancel_scan(wpa_s); |
452 | wpa_supplicant_cancel_auth_timeout(wpa_s); | |
01a17491 JM |
453 | eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL); |
454 | #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT | |
455 | eloop_cancel_timeout(wpa_supplicant_delayed_mic_error_report, | |
456 | wpa_s, NULL); | |
457 | #endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */ | |
6fc6879b | 458 | |
116654ce | 459 | wpas_wps_deinit(wpa_s); |
11ef8d35 | 460 | |
1ff73338 JM |
461 | wpabuf_free(wpa_s->pending_eapol_rx); |
462 | wpa_s->pending_eapol_rx = NULL; | |
463 | ||
11ef8d35 JM |
464 | #ifdef CONFIG_IBSS_RSN |
465 | ibss_rsn_deinit(wpa_s->ibss_rsn); | |
466 | wpa_s->ibss_rsn = NULL; | |
467 | #endif /* CONFIG_IBSS_RSN */ | |
c2a04078 | 468 | |
e29853bb | 469 | sme_deinit(wpa_s); |
2d5b792d JM |
470 | |
471 | #ifdef CONFIG_AP | |
472 | wpa_supplicant_ap_deinit(wpa_s); | |
473 | #endif /* CONFIG_AP */ | |
b22128ef | 474 | |
b22128ef | 475 | wpas_p2p_deinit(wpa_s); |
f47d639d | 476 | |
24f6497c JM |
477 | #ifdef CONFIG_OFFCHANNEL |
478 | offchannel_deinit(wpa_s); | |
479 | #endif /* CONFIG_OFFCHANNEL */ | |
480 | ||
a4cba8f1 LC |
481 | wpa_supplicant_cancel_sched_scan(wpa_s); |
482 | ||
f47d639d JM |
483 | os_free(wpa_s->next_scan_freqs); |
484 | wpa_s->next_scan_freqs = NULL; | |
fee52342 JM |
485 | |
486 | os_free(wpa_s->manual_scan_freqs); | |
487 | wpa_s->manual_scan_freqs = NULL; | |
04ea7b79 | 488 | |
d3c9c35f DS |
489 | os_free(wpa_s->manual_sched_scan_freqs); |
490 | wpa_s->manual_sched_scan_freqs = NULL; | |
491 | ||
56c76fa5 IP |
492 | wpas_mac_addr_rand_scan_clear(wpa_s, MAC_ADDR_RAND_ALL); |
493 | ||
04ea7b79 JM |
494 | gas_query_deinit(wpa_s->gas); |
495 | wpa_s->gas = NULL; | |
6bf731e8 CL |
496 | |
497 | free_hw_features(wpa_s); | |
d445a5cd | 498 | |
dd10abcc HW |
499 | ieee802_1x_dealloc_kay_sm(wpa_s); |
500 | ||
d445a5cd JM |
501 | os_free(wpa_s->bssid_filter); |
502 | wpa_s->bssid_filter = NULL; | |
b6668734 | 503 | |
6407f413 JM |
504 | os_free(wpa_s->disallow_aps_bssid); |
505 | wpa_s->disallow_aps_bssid = NULL; | |
506 | os_free(wpa_s->disallow_aps_ssid); | |
507 | wpa_s->disallow_aps_ssid = NULL; | |
508 | ||
b6668734 | 509 | wnm_bss_keep_alive_deinit(wpa_s); |
e27d20bb VK |
510 | #ifdef CONFIG_WNM |
511 | wnm_deallocate_memory(wpa_s); | |
512 | #endif /* CONFIG_WNM */ | |
306ae225 JM |
513 | |
514 | ext_password_deinit(wpa_s->ext_pw); | |
515 | wpa_s->ext_pw = NULL; | |
b1f12296 JM |
516 | |
517 | wpabuf_free(wpa_s->last_gas_resp); | |
b6a9590b JM |
518 | wpa_s->last_gas_resp = NULL; |
519 | wpabuf_free(wpa_s->prev_gas_resp); | |
520 | wpa_s->prev_gas_resp = NULL; | |
a297201d JM |
521 | |
522 | os_free(wpa_s->last_scan_res); | |
523 | wpa_s->last_scan_res = NULL; | |
b572df86 JM |
524 | |
525 | #ifdef CONFIG_HS20 | |
fb2ac53d | 526 | hs20_deinit(wpa_s); |
b572df86 | 527 | #endif /* CONFIG_HS20 */ |
86bd36f0 JM |
528 | |
529 | for (i = 0; i < NUM_VENDOR_ELEM_FRAMES; i++) { | |
530 | wpabuf_free(wpa_s->vendor_elem[i]); | |
531 | wpa_s->vendor_elem[i] = NULL; | |
532 | } | |
3882a708 JM |
533 | |
534 | wmm_ac_notify_disassoc(wpa_s); | |
6fc6879b JM |
535 | } |
536 | ||
537 | ||
538 | /** | |
539 | * wpa_clear_keys - Clear keys configured for the driver | |
540 | * @wpa_s: Pointer to wpa_supplicant data | |
541 | * @addr: Previously used BSSID or %NULL if not available | |
542 | * | |
543 | * This function clears the encryption keys that has been previously configured | |
544 | * for the driver. | |
545 | */ | |
546 | void wpa_clear_keys(struct wpa_supplicant *wpa_s, const u8 *addr) | |
547 | { | |
2f30cac3 | 548 | int i, max; |
6fc6879b | 549 | |
0e27f655 | 550 | #ifdef CONFIG_IEEE80211W |
2f30cac3 JM |
551 | max = 6; |
552 | #else /* CONFIG_IEEE80211W */ | |
553 | max = 4; | |
0e27f655 | 554 | #endif /* CONFIG_IEEE80211W */ |
2f30cac3 JM |
555 | |
556 | /* MLME-DELETEKEYS.request */ | |
557 | for (i = 0; i < max; i++) { | |
558 | if (wpa_s->keys_cleared & BIT(i)) | |
559 | continue; | |
560 | wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, i, 0, NULL, 0, | |
561 | NULL, 0); | |
562 | } | |
563 | if (!(wpa_s->keys_cleared & BIT(0)) && addr && | |
564 | !is_zero_ether_addr(addr)) { | |
6fc6879b JM |
565 | wpa_drv_set_key(wpa_s, WPA_ALG_NONE, addr, 0, 0, NULL, 0, NULL, |
566 | 0); | |
567 | /* MLME-SETPROTECTION.request(None) */ | |
568 | wpa_drv_mlme_setprotection( | |
569 | wpa_s, addr, | |
570 | MLME_SETPROTECTION_PROTECT_TYPE_NONE, | |
571 | MLME_SETPROTECTION_KEY_TYPE_PAIRWISE); | |
572 | } | |
2f30cac3 | 573 | wpa_s->keys_cleared = (u32) -1; |
6fc6879b JM |
574 | } |
575 | ||
576 | ||
577 | /** | |
578 | * wpa_supplicant_state_txt - Get the connection state name as a text string | |
579 | * @state: State (wpa_state; WPA_*) | |
580 | * Returns: The state name as a printable text string | |
581 | */ | |
71934751 | 582 | const char * wpa_supplicant_state_txt(enum wpa_states state) |
6fc6879b JM |
583 | { |
584 | switch (state) { | |
585 | case WPA_DISCONNECTED: | |
586 | return "DISCONNECTED"; | |
587 | case WPA_INACTIVE: | |
588 | return "INACTIVE"; | |
8401a6b0 JM |
589 | case WPA_INTERFACE_DISABLED: |
590 | return "INTERFACE_DISABLED"; | |
6fc6879b JM |
591 | case WPA_SCANNING: |
592 | return "SCANNING"; | |
c2a04078 JM |
593 | case WPA_AUTHENTICATING: |
594 | return "AUTHENTICATING"; | |
6fc6879b JM |
595 | case WPA_ASSOCIATING: |
596 | return "ASSOCIATING"; | |
597 | case WPA_ASSOCIATED: | |
598 | return "ASSOCIATED"; | |
599 | case WPA_4WAY_HANDSHAKE: | |
600 | return "4WAY_HANDSHAKE"; | |
601 | case WPA_GROUP_HANDSHAKE: | |
602 | return "GROUP_HANDSHAKE"; | |
603 | case WPA_COMPLETED: | |
604 | return "COMPLETED"; | |
605 | default: | |
606 | return "UNKNOWN"; | |
607 | } | |
608 | } | |
609 | ||
610 | ||
cfe53c9a PS |
611 | #ifdef CONFIG_BGSCAN |
612 | ||
613 | static void wpa_supplicant_start_bgscan(struct wpa_supplicant *wpa_s) | |
614 | { | |
31392709 HD |
615 | const char *name; |
616 | ||
617 | if (wpa_s->current_ssid && wpa_s->current_ssid->bgscan) | |
618 | name = wpa_s->current_ssid->bgscan; | |
619 | else | |
620 | name = wpa_s->conf->bgscan; | |
268043d5 | 621 | if (name == NULL || name[0] == '\0') |
31392709 | 622 | return; |
0096c427 JM |
623 | if (wpas_driver_bss_selection(wpa_s)) |
624 | return; | |
cfe53c9a PS |
625 | if (wpa_s->current_ssid == wpa_s->bgscan_ssid) |
626 | return; | |
aa109830 DS |
627 | #ifdef CONFIG_P2P |
628 | if (wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE) | |
629 | return; | |
630 | #endif /* CONFIG_P2P */ | |
cfe53c9a PS |
631 | |
632 | bgscan_deinit(wpa_s); | |
31392709 HD |
633 | if (wpa_s->current_ssid) { |
634 | if (bgscan_init(wpa_s, wpa_s->current_ssid, name)) { | |
cfe53c9a PS |
635 | wpa_dbg(wpa_s, MSG_DEBUG, "Failed to initialize " |
636 | "bgscan"); | |
637 | /* | |
638 | * Live without bgscan; it is only used as a roaming | |
639 | * optimization, so the initial connection is not | |
640 | * affected. | |
641 | */ | |
6409b7a7 YD |
642 | } else { |
643 | struct wpa_scan_results *scan_res; | |
cfe53c9a | 644 | wpa_s->bgscan_ssid = wpa_s->current_ssid; |
6409b7a7 YD |
645 | scan_res = wpa_supplicant_get_scan_results(wpa_s, NULL, |
646 | 0); | |
647 | if (scan_res) { | |
648 | bgscan_notify_scan(wpa_s, scan_res); | |
649 | wpa_scan_results_free(scan_res); | |
650 | } | |
651 | } | |
cfe53c9a PS |
652 | } else |
653 | wpa_s->bgscan_ssid = NULL; | |
654 | } | |
655 | ||
656 | ||
657 | static void wpa_supplicant_stop_bgscan(struct wpa_supplicant *wpa_s) | |
658 | { | |
659 | if (wpa_s->bgscan_ssid != NULL) { | |
660 | bgscan_deinit(wpa_s); | |
661 | wpa_s->bgscan_ssid = NULL; | |
662 | } | |
663 | } | |
664 | ||
665 | #endif /* CONFIG_BGSCAN */ | |
666 | ||
667 | ||
7c865c68 TB |
668 | static void wpa_supplicant_start_autoscan(struct wpa_supplicant *wpa_s) |
669 | { | |
99218999 | 670 | if (autoscan_init(wpa_s, 0)) |
7c865c68 TB |
671 | wpa_dbg(wpa_s, MSG_DEBUG, "Failed to initialize autoscan"); |
672 | } | |
673 | ||
674 | ||
675 | static void wpa_supplicant_stop_autoscan(struct wpa_supplicant *wpa_s) | |
676 | { | |
677 | autoscan_deinit(wpa_s); | |
678 | } | |
679 | ||
680 | ||
c3d12238 JM |
681 | void wpa_supplicant_reinit_autoscan(struct wpa_supplicant *wpa_s) |
682 | { | |
683 | if (wpa_s->wpa_state == WPA_DISCONNECTED || | |
684 | wpa_s->wpa_state == WPA_SCANNING) { | |
685 | autoscan_deinit(wpa_s); | |
686 | wpa_supplicant_start_autoscan(wpa_s); | |
687 | } | |
688 | } | |
689 | ||
690 | ||
6fc6879b JM |
691 | /** |
692 | * wpa_supplicant_set_state - Set current connection state | |
693 | * @wpa_s: Pointer to wpa_supplicant data | |
694 | * @state: The new connection state | |
695 | * | |
696 | * This function is called whenever the connection state changes, e.g., | |
697 | * association is completed for WPA/WPA2 4-Way Handshake is started. | |
698 | */ | |
71934751 JM |
699 | void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s, |
700 | enum wpa_states state) | |
6fc6879b | 701 | { |
27f43d8d MH |
702 | enum wpa_states old_state = wpa_s->wpa_state; |
703 | ||
f049052b BG |
704 | wpa_dbg(wpa_s, MSG_DEBUG, "State: %s -> %s", |
705 | wpa_supplicant_state_txt(wpa_s->wpa_state), | |
706 | wpa_supplicant_state_txt(state)); | |
6fc6879b | 707 | |
5ddd07cb AS |
708 | if (state == WPA_INTERFACE_DISABLED) { |
709 | /* Assure normal scan when interface is restored */ | |
710 | wpa_s->normal_scans = 0; | |
711 | } | |
712 | ||
0cf24fda | 713 | if (state == WPA_COMPLETED) { |
6ac4b15e | 714 | wpas_connect_work_done(wpa_s); |
0cf24fda LC |
715 | /* Reinitialize normal_scan counter */ |
716 | wpa_s->normal_scans = 0; | |
717 | } | |
6ac4b15e | 718 | |
cb8564b1 DW |
719 | if (state != WPA_SCANNING) |
720 | wpa_supplicant_notify_scanning(wpa_s, 0); | |
721 | ||
6fc6879b | 722 | if (state == WPA_COMPLETED && wpa_s->new_connection) { |
6fc6879b | 723 | struct wpa_ssid *ssid = wpa_s->current_ssid; |
7d37a357 | 724 | #if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG) |
6fc6879b | 725 | wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED "- Connection to " |
1cfc6787 JM |
726 | MACSTR " completed [id=%d id_str=%s]", |
727 | MAC2STR(wpa_s->bssid), | |
6fc6879b JM |
728 | ssid ? ssid->id : -1, |
729 | ssid && ssid->id_str ? ssid->id_str : ""); | |
730 | #endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */ | |
00e5e3d5 | 731 | wpas_clear_temp_disabled(wpa_s, ssid, 1); |
f1a52633 | 732 | wpa_s->extra_blacklist_count = 0; |
6fc6879b | 733 | wpa_s->new_connection = 0; |
6fc6879b | 734 | wpa_drv_set_operstate(wpa_s, 1); |
99ac2913 FF |
735 | #ifndef IEEE8021X_EAPOL |
736 | wpa_drv_set_supp_port(wpa_s, 1); | |
737 | #endif /* IEEE8021X_EAPOL */ | |
17a4734d | 738 | wpa_s->after_wps = 0; |
4d9fb08d | 739 | wpa_s->known_wps_freq = 0; |
b22128ef | 740 | wpas_p2p_completed(wpa_s); |
c3701c66 RM |
741 | |
742 | sme_sched_obss_scan(wpa_s, 1); | |
6fc6879b JM |
743 | } else if (state == WPA_DISCONNECTED || state == WPA_ASSOCIATING || |
744 | state == WPA_ASSOCIATED) { | |
745 | wpa_s->new_connection = 1; | |
746 | wpa_drv_set_operstate(wpa_s, 0); | |
99ac2913 FF |
747 | #ifndef IEEE8021X_EAPOL |
748 | wpa_drv_set_supp_port(wpa_s, 0); | |
749 | #endif /* IEEE8021X_EAPOL */ | |
c3701c66 | 750 | sme_sched_obss_scan(wpa_s, 0); |
6fc6879b JM |
751 | } |
752 | wpa_s->wpa_state = state; | |
27f43d8d | 753 | |
cfe53c9a PS |
754 | #ifdef CONFIG_BGSCAN |
755 | if (state == WPA_COMPLETED) | |
756 | wpa_supplicant_start_bgscan(wpa_s); | |
37271232 | 757 | else if (state < WPA_ASSOCIATED) |
cfe53c9a PS |
758 | wpa_supplicant_stop_bgscan(wpa_s); |
759 | #endif /* CONFIG_BGSCAN */ | |
760 | ||
7c865c68 TB |
761 | if (state == WPA_AUTHENTICATING) |
762 | wpa_supplicant_stop_autoscan(wpa_s); | |
763 | ||
764 | if (state == WPA_DISCONNECTED || state == WPA_INACTIVE) | |
765 | wpa_supplicant_start_autoscan(wpa_s); | |
766 | ||
fecc2bb5 EP |
767 | if (old_state >= WPA_ASSOCIATED && wpa_s->wpa_state < WPA_ASSOCIATED) |
768 | wmm_ac_notify_disassoc(wpa_s); | |
769 | ||
5bbf9f10 | 770 | if (wpa_s->wpa_state != old_state) { |
27f43d8d | 771 | wpas_notify_state_changed(wpa_s, wpa_s->wpa_state, old_state); |
5bbf9f10 | 772 | |
e3bd6e9d IP |
773 | /* |
774 | * Notify the P2P Device interface about a state change in one | |
775 | * of the interfaces. | |
776 | */ | |
777 | wpas_p2p_indicate_state_change(wpa_s); | |
e3bd6e9d | 778 | |
5bbf9f10 PS |
779 | if (wpa_s->wpa_state == WPA_COMPLETED || |
780 | old_state == WPA_COMPLETED) | |
781 | wpas_notify_auth_changed(wpa_s); | |
782 | } | |
6fc6879b JM |
783 | } |
784 | ||
785 | ||
1a1bf008 JM |
786 | void wpa_supplicant_terminate_proc(struct wpa_global *global) |
787 | { | |
788 | int pending = 0; | |
789 | #ifdef CONFIG_WPS | |
790 | struct wpa_supplicant *wpa_s = global->ifaces; | |
791 | while (wpa_s) { | |
ab41595f | 792 | struct wpa_supplicant *next = wpa_s->next; |
5516ed32 EA |
793 | if (wpas_wps_terminate_pending(wpa_s) == 1) |
794 | pending = 1; | |
20625e97 JM |
795 | #ifdef CONFIG_P2P |
796 | if (wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE || | |
797 | (wpa_s->current_ssid && wpa_s->current_ssid->p2p_group)) | |
798 | wpas_p2p_disconnect(wpa_s); | |
799 | #endif /* CONFIG_P2P */ | |
ab41595f | 800 | wpa_s = next; |
1a1bf008 JM |
801 | } |
802 | #endif /* CONFIG_WPS */ | |
803 | if (pending) | |
804 | return; | |
805 | eloop_terminate(); | |
806 | } | |
807 | ||
808 | ||
0456ea16 | 809 | static void wpa_supplicant_terminate(int sig, void *signal_ctx) |
6fc6879b | 810 | { |
0456ea16 | 811 | struct wpa_global *global = signal_ctx; |
1a1bf008 | 812 | wpa_supplicant_terminate_proc(global); |
6fc6879b JM |
813 | } |
814 | ||
815 | ||
b22128ef | 816 | void wpa_supplicant_clear_status(struct wpa_supplicant *wpa_s) |
6fc6879b | 817 | { |
71934751 | 818 | enum wpa_states old_state = wpa_s->wpa_state; |
27f43d8d | 819 | |
6fc6879b JM |
820 | wpa_s->pairwise_cipher = 0; |
821 | wpa_s->group_cipher = 0; | |
822 | wpa_s->mgmt_group_cipher = 0; | |
823 | wpa_s->key_mgmt = 0; | |
8401a6b0 | 824 | if (wpa_s->wpa_state != WPA_INTERFACE_DISABLED) |
99218999 | 825 | wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); |
27f43d8d MH |
826 | |
827 | if (wpa_s->wpa_state != old_state) | |
828 | wpas_notify_state_changed(wpa_s, wpa_s->wpa_state, old_state); | |
6fc6879b JM |
829 | } |
830 | ||
831 | ||
832 | /** | |
833 | * wpa_supplicant_reload_configuration - Reload configuration data | |
834 | * @wpa_s: Pointer to wpa_supplicant data | |
835 | * Returns: 0 on success or -1 if configuration parsing failed | |
836 | * | |
837 | * This function can be used to request that the configuration data is reloaded | |
838 | * (e.g., after configuration file change). This function is reloading | |
839 | * configuration only for one interface, so this may need to be called multiple | |
840 | * times if %wpa_supplicant is controlling multiple interfaces and all | |
841 | * interfaces need reconfiguration. | |
842 | */ | |
843 | int wpa_supplicant_reload_configuration(struct wpa_supplicant *wpa_s) | |
844 | { | |
845 | struct wpa_config *conf; | |
846 | int reconf_ctrl; | |
8bac466b JM |
847 | int old_ap_scan; |
848 | ||
6fc6879b JM |
849 | if (wpa_s->confname == NULL) |
850 | return -1; | |
e6304cad | 851 | conf = wpa_config_read(wpa_s->confname, NULL); |
6fc6879b JM |
852 | if (conf == NULL) { |
853 | wpa_msg(wpa_s, MSG_ERROR, "Failed to parse the configuration " | |
854 | "file '%s' - exiting", wpa_s->confname); | |
855 | return -1; | |
856 | } | |
e6304cad DS |
857 | wpa_config_read(wpa_s->confanother, conf); |
858 | ||
611aea7d | 859 | conf->changed_parameters = (unsigned int) -1; |
6fc6879b JM |
860 | |
861 | reconf_ctrl = !!conf->ctrl_interface != !!wpa_s->conf->ctrl_interface | |
862 | || (conf->ctrl_interface && wpa_s->conf->ctrl_interface && | |
863 | os_strcmp(conf->ctrl_interface, | |
864 | wpa_s->conf->ctrl_interface) != 0); | |
865 | ||
866 | if (reconf_ctrl && wpa_s->ctrl_iface) { | |
867 | wpa_supplicant_ctrl_iface_deinit(wpa_s->ctrl_iface); | |
868 | wpa_s->ctrl_iface = NULL; | |
869 | } | |
870 | ||
871 | eapol_sm_invalidate_cached_session(wpa_s->eapol); | |
7b7ce8aa | 872 | if (wpa_s->current_ssid) { |
c2805909 | 873 | wpa_s->own_disconnect_req = 1; |
7b7ce8aa JM |
874 | wpa_supplicant_deauthenticate(wpa_s, |
875 | WLAN_REASON_DEAUTH_LEAVING); | |
876 | } | |
8bac466b | 877 | |
6fc6879b JM |
878 | /* |
879 | * TODO: should notify EAPOL SM about changes in opensc_engine_path, | |
07e2de31 | 880 | * pkcs11_engine_path, pkcs11_module_path, openssl_ciphers. |
6fc6879b | 881 | */ |
56586197 | 882 | if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) { |
6fc6879b JM |
883 | /* |
884 | * Clear forced success to clear EAP state for next | |
885 | * authentication. | |
886 | */ | |
887 | eapol_sm_notify_eap_success(wpa_s->eapol, FALSE); | |
888 | } | |
889 | eapol_sm_notify_config(wpa_s->eapol, NULL, NULL); | |
890 | wpa_sm_set_config(wpa_s->wpa, NULL); | |
d8a790b9 | 891 | wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL); |
6fc6879b JM |
892 | wpa_sm_set_fast_reauth(wpa_s->wpa, wpa_s->conf->fast_reauth); |
893 | rsn_preauth_deinit(wpa_s->wpa); | |
8bac466b JM |
894 | |
895 | old_ap_scan = wpa_s->conf->ap_scan; | |
6fc6879b JM |
896 | wpa_config_free(wpa_s->conf); |
897 | wpa_s->conf = conf; | |
8bac466b JM |
898 | if (old_ap_scan != wpa_s->conf->ap_scan) |
899 | wpas_notify_ap_scan_changed(wpa_s); | |
900 | ||
6fc6879b JM |
901 | if (reconf_ctrl) |
902 | wpa_s->ctrl_iface = wpa_supplicant_ctrl_iface_init(wpa_s); | |
903 | ||
611aea7d JM |
904 | wpa_supplicant_update_config(wpa_s); |
905 | ||
6fc6879b | 906 | wpa_supplicant_clear_status(wpa_s); |
349493bd | 907 | if (wpa_supplicant_enabled_networks(wpa_s)) { |
43a38635 JM |
908 | wpa_s->reassociate = 1; |
909 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
910 | } | |
f049052b | 911 | wpa_dbg(wpa_s, MSG_DEBUG, "Reconfiguration completed"); |
6fc6879b JM |
912 | return 0; |
913 | } | |
914 | ||
915 | ||
0456ea16 | 916 | static void wpa_supplicant_reconfig(int sig, void *signal_ctx) |
6fc6879b | 917 | { |
0456ea16 | 918 | struct wpa_global *global = signal_ctx; |
6fc6879b | 919 | struct wpa_supplicant *wpa_s; |
6fc6879b | 920 | for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) { |
f049052b BG |
921 | wpa_dbg(wpa_s, MSG_DEBUG, "Signal %d received - reconfiguring", |
922 | sig); | |
6fc6879b | 923 | if (wpa_supplicant_reload_configuration(wpa_s) < 0) { |
1a1bf008 | 924 | wpa_supplicant_terminate_proc(global); |
6fc6879b JM |
925 | } |
926 | } | |
927 | } | |
928 | ||
929 | ||
6fc6879b JM |
930 | static int wpa_supplicant_suites_from_ai(struct wpa_supplicant *wpa_s, |
931 | struct wpa_ssid *ssid, | |
932 | struct wpa_ie_data *ie) | |
933 | { | |
934 | int ret = wpa_sm_parse_own_wpa_ie(wpa_s->wpa, ie); | |
935 | if (ret) { | |
936 | if (ret == -2) { | |
937 | wpa_msg(wpa_s, MSG_INFO, "WPA: Failed to parse WPA IE " | |
938 | "from association info"); | |
939 | } | |
940 | return -1; | |
941 | } | |
942 | ||
f049052b BG |
943 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Using WPA IE from AssocReq to set " |
944 | "cipher suites"); | |
6fc6879b JM |
945 | if (!(ie->group_cipher & ssid->group_cipher)) { |
946 | wpa_msg(wpa_s, MSG_INFO, "WPA: Driver used disabled group " | |
947 | "cipher 0x%x (mask 0x%x) - reject", | |
948 | ie->group_cipher, ssid->group_cipher); | |
949 | return -1; | |
950 | } | |
951 | if (!(ie->pairwise_cipher & ssid->pairwise_cipher)) { | |
952 | wpa_msg(wpa_s, MSG_INFO, "WPA: Driver used disabled pairwise " | |
953 | "cipher 0x%x (mask 0x%x) - reject", | |
954 | ie->pairwise_cipher, ssid->pairwise_cipher); | |
955 | return -1; | |
956 | } | |
957 | if (!(ie->key_mgmt & ssid->key_mgmt)) { | |
958 | wpa_msg(wpa_s, MSG_INFO, "WPA: Driver used disabled key " | |
959 | "management 0x%x (mask 0x%x) - reject", | |
960 | ie->key_mgmt, ssid->key_mgmt); | |
961 | return -1; | |
962 | } | |
963 | ||
964 | #ifdef CONFIG_IEEE80211W | |
0b60b0aa | 965 | if (!(ie->capabilities & WPA_CAPABILITY_MFPC) && |
3f56a2b7 | 966 | wpas_get_ssid_pmf(wpa_s, ssid) == MGMT_FRAME_PROTECTION_REQUIRED) { |
6fc6879b JM |
967 | wpa_msg(wpa_s, MSG_INFO, "WPA: Driver associated with an AP " |
968 | "that does not support management frame protection - " | |
969 | "reject"); | |
970 | return -1; | |
971 | } | |
972 | #endif /* CONFIG_IEEE80211W */ | |
973 | ||
974 | return 0; | |
975 | } | |
976 | ||
977 | ||
978 | /** | |
979 | * wpa_supplicant_set_suites - Set authentication and encryption parameters | |
980 | * @wpa_s: Pointer to wpa_supplicant data | |
981 | * @bss: Scan results for the selected BSS, or %NULL if not available | |
982 | * @ssid: Configuration data for the selected network | |
983 | * @wpa_ie: Buffer for the WPA/RSN IE | |
984 | * @wpa_ie_len: Maximum wpa_ie buffer size on input. This is changed to be the | |
985 | * used buffer length in case the functions returns success. | |
986 | * Returns: 0 on success or -1 on failure | |
987 | * | |
988 | * This function is used to configure authentication and encryption parameters | |
989 | * based on the network configuration and scan result for the selected BSS (if | |
990 | * available). | |
991 | */ | |
992 | int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s, | |
6fa81a3b | 993 | struct wpa_bss *bss, struct wpa_ssid *ssid, |
6fc6879b JM |
994 | u8 *wpa_ie, size_t *wpa_ie_len) |
995 | { | |
996 | struct wpa_ie_data ie; | |
997 | int sel, proto; | |
df0f01d9 | 998 | const u8 *bss_wpa, *bss_rsn, *bss_osen; |
6fc6879b JM |
999 | |
1000 | if (bss) { | |
6fa81a3b JM |
1001 | bss_wpa = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE); |
1002 | bss_rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN); | |
df0f01d9 | 1003 | bss_osen = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE); |
6fc6879b | 1004 | } else |
df0f01d9 | 1005 | bss_wpa = bss_rsn = bss_osen = NULL; |
6fc6879b JM |
1006 | |
1007 | if (bss_rsn && (ssid->proto & WPA_PROTO_RSN) && | |
1008 | wpa_parse_wpa_ie(bss_rsn, 2 + bss_rsn[1], &ie) == 0 && | |
1009 | (ie.group_cipher & ssid->group_cipher) && | |
1010 | (ie.pairwise_cipher & ssid->pairwise_cipher) && | |
1011 | (ie.key_mgmt & ssid->key_mgmt)) { | |
f049052b | 1012 | wpa_dbg(wpa_s, MSG_DEBUG, "RSN: using IEEE 802.11i/D9.0"); |
6fc6879b JM |
1013 | proto = WPA_PROTO_RSN; |
1014 | } else if (bss_wpa && (ssid->proto & WPA_PROTO_WPA) && | |
267ac3bc | 1015 | wpa_parse_wpa_ie(bss_wpa, 2 + bss_wpa[1], &ie) == 0 && |
6fc6879b JM |
1016 | (ie.group_cipher & ssid->group_cipher) && |
1017 | (ie.pairwise_cipher & ssid->pairwise_cipher) && | |
1018 | (ie.key_mgmt & ssid->key_mgmt)) { | |
f049052b | 1019 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using IEEE 802.11i/D3.0"); |
6fc6879b | 1020 | proto = WPA_PROTO_WPA; |
df0f01d9 JM |
1021 | #ifdef CONFIG_HS20 |
1022 | } else if (bss_osen && (ssid->proto & WPA_PROTO_OSEN)) { | |
1023 | wpa_dbg(wpa_s, MSG_DEBUG, "HS 2.0: using OSEN"); | |
1024 | /* TODO: parse OSEN element */ | |
137ff332 | 1025 | os_memset(&ie, 0, sizeof(ie)); |
df0f01d9 JM |
1026 | ie.group_cipher = WPA_CIPHER_CCMP; |
1027 | ie.pairwise_cipher = WPA_CIPHER_CCMP; | |
1028 | ie.key_mgmt = WPA_KEY_MGMT_OSEN; | |
1029 | proto = WPA_PROTO_OSEN; | |
1030 | #endif /* CONFIG_HS20 */ | |
6fc6879b JM |
1031 | } else if (bss) { |
1032 | wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to select WPA/RSN"); | |
267ac3bc JM |
1033 | wpa_dbg(wpa_s, MSG_DEBUG, |
1034 | "WPA: ssid proto=0x%x pairwise_cipher=0x%x group_cipher=0x%x key_mgmt=0x%x", | |
1035 | ssid->proto, ssid->pairwise_cipher, ssid->group_cipher, | |
1036 | ssid->key_mgmt); | |
1037 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: BSS " MACSTR " ssid='%s'%s%s%s", | |
1038 | MAC2STR(bss->bssid), | |
1039 | wpa_ssid_txt(bss->ssid, bss->ssid_len), | |
1040 | bss_wpa ? " WPA" : "", | |
1041 | bss_rsn ? " RSN" : "", | |
1042 | bss_osen ? " OSEN" : ""); | |
1043 | if (bss_rsn) { | |
1044 | wpa_hexdump(MSG_DEBUG, "RSN", bss_rsn, 2 + bss_rsn[1]); | |
1045 | if (wpa_parse_wpa_ie(bss_rsn, 2 + bss_rsn[1], &ie)) { | |
1046 | wpa_dbg(wpa_s, MSG_DEBUG, | |
1047 | "Could not parse RSN element"); | |
1048 | } else { | |
1049 | wpa_dbg(wpa_s, MSG_DEBUG, | |
1050 | "RSN: pairwise_cipher=0x%x group_cipher=0x%x key_mgmt=0x%x", | |
1051 | ie.pairwise_cipher, ie.group_cipher, | |
1052 | ie.key_mgmt); | |
1053 | } | |
1054 | } | |
1055 | if (bss_wpa) { | |
1056 | wpa_hexdump(MSG_DEBUG, "WPA", bss_wpa, 2 + bss_wpa[1]); | |
1057 | if (wpa_parse_wpa_ie(bss_wpa, 2 + bss_wpa[1], &ie)) { | |
1058 | wpa_dbg(wpa_s, MSG_DEBUG, | |
1059 | "Could not parse WPA element"); | |
1060 | } else { | |
1061 | wpa_dbg(wpa_s, MSG_DEBUG, | |
1062 | "WPA: pairwise_cipher=0x%x group_cipher=0x%x key_mgmt=0x%x", | |
1063 | ie.pairwise_cipher, ie.group_cipher, | |
1064 | ie.key_mgmt); | |
1065 | } | |
1066 | } | |
6fc6879b JM |
1067 | return -1; |
1068 | } else { | |
df0f01d9 JM |
1069 | if (ssid->proto & WPA_PROTO_OSEN) |
1070 | proto = WPA_PROTO_OSEN; | |
1071 | else if (ssid->proto & WPA_PROTO_RSN) | |
6fc6879b JM |
1072 | proto = WPA_PROTO_RSN; |
1073 | else | |
1074 | proto = WPA_PROTO_WPA; | |
1075 | if (wpa_supplicant_suites_from_ai(wpa_s, ssid, &ie) < 0) { | |
1076 | os_memset(&ie, 0, sizeof(ie)); | |
1077 | ie.group_cipher = ssid->group_cipher; | |
1078 | ie.pairwise_cipher = ssid->pairwise_cipher; | |
1079 | ie.key_mgmt = ssid->key_mgmt; | |
1080 | #ifdef CONFIG_IEEE80211W | |
1081 | ie.mgmt_group_cipher = | |
70f8cc8e | 1082 | ssid->ieee80211w != NO_MGMT_FRAME_PROTECTION ? |
6fc6879b JM |
1083 | WPA_CIPHER_AES_128_CMAC : 0; |
1084 | #endif /* CONFIG_IEEE80211W */ | |
f049052b BG |
1085 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Set cipher suites " |
1086 | "based on configuration"); | |
6fc6879b JM |
1087 | } else |
1088 | proto = ie.proto; | |
1089 | } | |
1090 | ||
f049052b BG |
1091 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Selected cipher suites: group %d " |
1092 | "pairwise %d key_mgmt %d proto %d", | |
1093 | ie.group_cipher, ie.pairwise_cipher, ie.key_mgmt, proto); | |
6fc6879b JM |
1094 | #ifdef CONFIG_IEEE80211W |
1095 | if (ssid->ieee80211w) { | |
f049052b BG |
1096 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Selected mgmt group cipher %d", |
1097 | ie.mgmt_group_cipher); | |
6fc6879b JM |
1098 | } |
1099 | #endif /* CONFIG_IEEE80211W */ | |
1100 | ||
64fa840a | 1101 | wpa_s->wpa_proto = proto; |
6fc6879b JM |
1102 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_PROTO, proto); |
1103 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_RSN_ENABLED, | |
df0f01d9 | 1104 | !!(ssid->proto & (WPA_PROTO_RSN | WPA_PROTO_OSEN))); |
6fc6879b JM |
1105 | |
1106 | if (bss || !wpa_s->ap_ies_from_associnfo) { | |
1107 | if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, bss_wpa, | |
1108 | bss_wpa ? 2 + bss_wpa[1] : 0) || | |
1109 | wpa_sm_set_ap_rsn_ie(wpa_s->wpa, bss_rsn, | |
1110 | bss_rsn ? 2 + bss_rsn[1] : 0)) | |
1111 | return -1; | |
1112 | } | |
1113 | ||
1114 | sel = ie.group_cipher & ssid->group_cipher; | |
edbd2a19 JM |
1115 | wpa_s->group_cipher = wpa_pick_group_cipher(sel); |
1116 | if (wpa_s->group_cipher < 0) { | |
f049052b BG |
1117 | wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to select group " |
1118 | "cipher"); | |
6fc6879b JM |
1119 | return -1; |
1120 | } | |
edbd2a19 JM |
1121 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using GTK %s", |
1122 | wpa_cipher_txt(wpa_s->group_cipher)); | |
6fc6879b JM |
1123 | |
1124 | sel = ie.pairwise_cipher & ssid->pairwise_cipher; | |
edbd2a19 JM |
1125 | wpa_s->pairwise_cipher = wpa_pick_pairwise_cipher(sel, 1); |
1126 | if (wpa_s->pairwise_cipher < 0) { | |
f049052b BG |
1127 | wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to select pairwise " |
1128 | "cipher"); | |
6fc6879b JM |
1129 | return -1; |
1130 | } | |
edbd2a19 JM |
1131 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using PTK %s", |
1132 | wpa_cipher_txt(wpa_s->pairwise_cipher)); | |
6fc6879b JM |
1133 | |
1134 | sel = ie.key_mgmt & ssid->key_mgmt; | |
c10347f2 JM |
1135 | #ifdef CONFIG_SAE |
1136 | if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SAE)) | |
1137 | sel &= ~(WPA_KEY_MGMT_SAE | WPA_KEY_MGMT_FT_SAE); | |
1138 | #endif /* CONFIG_SAE */ | |
6fc6879b | 1139 | if (0) { |
5e3b5197 JM |
1140 | #ifdef CONFIG_SUITEB192 |
1141 | } else if (sel & WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) { | |
1142 | wpa_s->key_mgmt = WPA_KEY_MGMT_IEEE8021X_SUITE_B_192; | |
1143 | wpa_dbg(wpa_s, MSG_DEBUG, | |
1144 | "WPA: using KEY_MGMT 802.1X with Suite B (192-bit)"); | |
1145 | #endif /* CONFIG_SUITEB192 */ | |
1146 | #ifdef CONFIG_SUITEB | |
666497c8 JM |
1147 | } else if (sel & WPA_KEY_MGMT_IEEE8021X_SUITE_B) { |
1148 | wpa_s->key_mgmt = WPA_KEY_MGMT_IEEE8021X_SUITE_B; | |
1149 | wpa_dbg(wpa_s, MSG_DEBUG, | |
1150 | "WPA: using KEY_MGMT 802.1X with Suite B"); | |
5e3b5197 | 1151 | #endif /* CONFIG_SUITEB */ |
6fc6879b JM |
1152 | #ifdef CONFIG_IEEE80211R |
1153 | } else if (sel & WPA_KEY_MGMT_FT_IEEE8021X) { | |
1154 | wpa_s->key_mgmt = WPA_KEY_MGMT_FT_IEEE8021X; | |
f049052b | 1155 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT FT/802.1X"); |
6fc6879b JM |
1156 | } else if (sel & WPA_KEY_MGMT_FT_PSK) { |
1157 | wpa_s->key_mgmt = WPA_KEY_MGMT_FT_PSK; | |
f049052b | 1158 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT FT/PSK"); |
6fc6879b | 1159 | #endif /* CONFIG_IEEE80211R */ |
c10347f2 JM |
1160 | #ifdef CONFIG_SAE |
1161 | } else if (sel & WPA_KEY_MGMT_SAE) { | |
1162 | wpa_s->key_mgmt = WPA_KEY_MGMT_SAE; | |
1163 | wpa_dbg(wpa_s, MSG_DEBUG, "RSN: using KEY_MGMT SAE"); | |
1164 | } else if (sel & WPA_KEY_MGMT_FT_SAE) { | |
1165 | wpa_s->key_mgmt = WPA_KEY_MGMT_FT_SAE; | |
1166 | wpa_dbg(wpa_s, MSG_DEBUG, "RSN: using KEY_MGMT FT/SAE"); | |
1167 | #endif /* CONFIG_SAE */ | |
56586197 JM |
1168 | #ifdef CONFIG_IEEE80211W |
1169 | } else if (sel & WPA_KEY_MGMT_IEEE8021X_SHA256) { | |
1170 | wpa_s->key_mgmt = WPA_KEY_MGMT_IEEE8021X_SHA256; | |
f049052b | 1171 | wpa_dbg(wpa_s, MSG_DEBUG, |
56586197 JM |
1172 | "WPA: using KEY_MGMT 802.1X with SHA256"); |
1173 | } else if (sel & WPA_KEY_MGMT_PSK_SHA256) { | |
1174 | wpa_s->key_mgmt = WPA_KEY_MGMT_PSK_SHA256; | |
f049052b | 1175 | wpa_dbg(wpa_s, MSG_DEBUG, |
56586197 JM |
1176 | "WPA: using KEY_MGMT PSK with SHA256"); |
1177 | #endif /* CONFIG_IEEE80211W */ | |
6fc6879b JM |
1178 | } else if (sel & WPA_KEY_MGMT_IEEE8021X) { |
1179 | wpa_s->key_mgmt = WPA_KEY_MGMT_IEEE8021X; | |
f049052b | 1180 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT 802.1X"); |
6fc6879b JM |
1181 | } else if (sel & WPA_KEY_MGMT_PSK) { |
1182 | wpa_s->key_mgmt = WPA_KEY_MGMT_PSK; | |
f049052b | 1183 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT WPA-PSK"); |
6fc6879b JM |
1184 | } else if (sel & WPA_KEY_MGMT_WPA_NONE) { |
1185 | wpa_s->key_mgmt = WPA_KEY_MGMT_WPA_NONE; | |
f049052b | 1186 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT WPA-NONE"); |
df0f01d9 JM |
1187 | #ifdef CONFIG_HS20 |
1188 | } else if (sel & WPA_KEY_MGMT_OSEN) { | |
1189 | wpa_s->key_mgmt = WPA_KEY_MGMT_OSEN; | |
1190 | wpa_dbg(wpa_s, MSG_DEBUG, "HS 2.0: using KEY_MGMT OSEN"); | |
1191 | #endif /* CONFIG_HS20 */ | |
6fc6879b | 1192 | } else { |
f049052b BG |
1193 | wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to select " |
1194 | "authenticated key management type"); | |
6fc6879b JM |
1195 | return -1; |
1196 | } | |
1197 | ||
1198 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_KEY_MGMT, wpa_s->key_mgmt); | |
1199 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_PAIRWISE, | |
1200 | wpa_s->pairwise_cipher); | |
1201 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_GROUP, wpa_s->group_cipher); | |
1202 | ||
1203 | #ifdef CONFIG_IEEE80211W | |
1204 | sel = ie.mgmt_group_cipher; | |
3f56a2b7 | 1205 | if (wpas_get_ssid_pmf(wpa_s, ssid) == NO_MGMT_FRAME_PROTECTION || |
0b60b0aa | 1206 | !(ie.capabilities & WPA_CAPABILITY_MFPC)) |
6fc6879b JM |
1207 | sel = 0; |
1208 | if (sel & WPA_CIPHER_AES_128_CMAC) { | |
1209 | wpa_s->mgmt_group_cipher = WPA_CIPHER_AES_128_CMAC; | |
f049052b | 1210 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using MGMT group cipher " |
6fc6879b | 1211 | "AES-128-CMAC"); |
8dd9f9cd JM |
1212 | } else if (sel & WPA_CIPHER_BIP_GMAC_128) { |
1213 | wpa_s->mgmt_group_cipher = WPA_CIPHER_BIP_GMAC_128; | |
1214 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using MGMT group cipher " | |
1215 | "BIP-GMAC-128"); | |
1216 | } else if (sel & WPA_CIPHER_BIP_GMAC_256) { | |
1217 | wpa_s->mgmt_group_cipher = WPA_CIPHER_BIP_GMAC_256; | |
1218 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using MGMT group cipher " | |
1219 | "BIP-GMAC-256"); | |
1220 | } else if (sel & WPA_CIPHER_BIP_CMAC_256) { | |
1221 | wpa_s->mgmt_group_cipher = WPA_CIPHER_BIP_CMAC_256; | |
1222 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using MGMT group cipher " | |
1223 | "BIP-CMAC-256"); | |
6fc6879b JM |
1224 | } else { |
1225 | wpa_s->mgmt_group_cipher = 0; | |
f049052b | 1226 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: not using MGMT group cipher"); |
6fc6879b JM |
1227 | } |
1228 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_MGMT_GROUP, | |
1229 | wpa_s->mgmt_group_cipher); | |
62d49803 | 1230 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_MFP, |
3f56a2b7 | 1231 | wpas_get_ssid_pmf(wpa_s, ssid)); |
6fc6879b JM |
1232 | #endif /* CONFIG_IEEE80211W */ |
1233 | ||
1234 | if (wpa_sm_set_assoc_wpa_ie_default(wpa_s->wpa, wpa_ie, wpa_ie_len)) { | |
f049052b | 1235 | wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to generate WPA IE"); |
6fc6879b JM |
1236 | return -1; |
1237 | } | |
1238 | ||
0bf927a0 | 1239 | if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt)) { |
bc26ac50 | 1240 | wpa_sm_set_pmk(wpa_s->wpa, ssid->psk, PMK_LEN, NULL); |
7d232e23 ZC |
1241 | #ifndef CONFIG_NO_PBKDF2 |
1242 | if (bss && ssid->bssid_set && ssid->ssid_len == 0 && | |
1243 | ssid->passphrase) { | |
1244 | u8 psk[PMK_LEN]; | |
986de33d JM |
1245 | pbkdf2_sha1(ssid->passphrase, bss->ssid, bss->ssid_len, |
1246 | 4096, psk, PMK_LEN); | |
7d232e23 ZC |
1247 | wpa_hexdump_key(MSG_MSGDUMP, "PSK (from passphrase)", |
1248 | psk, PMK_LEN); | |
bc26ac50 | 1249 | wpa_sm_set_pmk(wpa_s->wpa, psk, PMK_LEN, NULL); |
e886c88e | 1250 | os_memset(psk, 0, sizeof(psk)); |
7d232e23 ZC |
1251 | } |
1252 | #endif /* CONFIG_NO_PBKDF2 */ | |
9173b16f JM |
1253 | #ifdef CONFIG_EXT_PASSWORD |
1254 | if (ssid->ext_psk) { | |
1255 | struct wpabuf *pw = ext_password_get(wpa_s->ext_pw, | |
1256 | ssid->ext_psk); | |
1257 | char pw_str[64 + 1]; | |
1258 | u8 psk[PMK_LEN]; | |
1259 | ||
1260 | if (pw == NULL) { | |
1261 | wpa_msg(wpa_s, MSG_INFO, "EXT PW: No PSK " | |
1262 | "found from external storage"); | |
1263 | return -1; | |
1264 | } | |
1265 | ||
1266 | if (wpabuf_len(pw) < 8 || wpabuf_len(pw) > 64) { | |
1267 | wpa_msg(wpa_s, MSG_INFO, "EXT PW: Unexpected " | |
1268 | "PSK length %d in external storage", | |
1269 | (int) wpabuf_len(pw)); | |
1270 | ext_password_free(pw); | |
1271 | return -1; | |
1272 | } | |
1273 | ||
1274 | os_memcpy(pw_str, wpabuf_head(pw), wpabuf_len(pw)); | |
1275 | pw_str[wpabuf_len(pw)] = '\0'; | |
1276 | ||
1277 | #ifndef CONFIG_NO_PBKDF2 | |
1278 | if (wpabuf_len(pw) >= 8 && wpabuf_len(pw) < 64 && bss) | |
1279 | { | |
986de33d JM |
1280 | pbkdf2_sha1(pw_str, bss->ssid, bss->ssid_len, |
1281 | 4096, psk, PMK_LEN); | |
9173b16f JM |
1282 | os_memset(pw_str, 0, sizeof(pw_str)); |
1283 | wpa_hexdump_key(MSG_MSGDUMP, "PSK (from " | |
1284 | "external passphrase)", | |
1285 | psk, PMK_LEN); | |
bc26ac50 | 1286 | wpa_sm_set_pmk(wpa_s->wpa, psk, PMK_LEN, NULL); |
e886c88e | 1287 | os_memset(psk, 0, sizeof(psk)); |
9173b16f JM |
1288 | } else |
1289 | #endif /* CONFIG_NO_PBKDF2 */ | |
1290 | if (wpabuf_len(pw) == 2 * PMK_LEN) { | |
1291 | if (hexstr2bin(pw_str, psk, PMK_LEN) < 0) { | |
1292 | wpa_msg(wpa_s, MSG_INFO, "EXT PW: " | |
1293 | "Invalid PSK hex string"); | |
1294 | os_memset(pw_str, 0, sizeof(pw_str)); | |
1295 | ext_password_free(pw); | |
1296 | return -1; | |
1297 | } | |
bc26ac50 | 1298 | wpa_sm_set_pmk(wpa_s->wpa, psk, PMK_LEN, NULL); |
e886c88e | 1299 | os_memset(psk, 0, sizeof(psk)); |
9173b16f JM |
1300 | } else { |
1301 | wpa_msg(wpa_s, MSG_INFO, "EXT PW: No suitable " | |
1302 | "PSK available"); | |
1303 | os_memset(pw_str, 0, sizeof(pw_str)); | |
1304 | ext_password_free(pw); | |
1305 | return -1; | |
1306 | } | |
1307 | ||
1308 | os_memset(pw_str, 0, sizeof(pw_str)); | |
1309 | ext_password_free(pw); | |
1310 | } | |
1311 | #endif /* CONFIG_EXT_PASSWORD */ | |
7d232e23 | 1312 | } else |
6fc6879b JM |
1313 | wpa_sm_set_pmk_from_pmksa(wpa_s->wpa); |
1314 | ||
1315 | return 0; | |
1316 | } | |
1317 | ||
1318 | ||
8cd6b7bc | 1319 | static void wpas_ext_capab_byte(struct wpa_supplicant *wpa_s, u8 *pos, int idx) |
03e47c9c | 1320 | { |
8cd6b7bc | 1321 | *pos = 0x00; |
03e47c9c | 1322 | |
8cd6b7bc JB |
1323 | switch (idx) { |
1324 | case 0: /* Bits 0-7 */ | |
1325 | break; | |
1326 | case 1: /* Bits 8-15 */ | |
1327 | break; | |
1328 | case 2: /* Bits 16-23 */ | |
1329 | #ifdef CONFIG_WNM | |
1330 | *pos |= 0x02; /* Bit 17 - WNM-Sleep Mode */ | |
1331 | *pos |= 0x08; /* Bit 19 - BSS Transition */ | |
1332 | #endif /* CONFIG_WNM */ | |
1333 | break; | |
1334 | case 3: /* Bits 24-31 */ | |
1335 | #ifdef CONFIG_WNM | |
1336 | *pos |= 0x02; /* Bit 25 - SSID List */ | |
1337 | #endif /* CONFIG_WNM */ | |
03e47c9c | 1338 | #ifdef CONFIG_INTERWORKING |
8cd6b7bc JB |
1339 | if (wpa_s->conf->interworking) |
1340 | *pos |= 0x80; /* Bit 31 - Interworking */ | |
03e47c9c | 1341 | #endif /* CONFIG_INTERWORKING */ |
8cd6b7bc JB |
1342 | break; |
1343 | case 4: /* Bits 32-39 */ | |
56f5af48 | 1344 | #ifdef CONFIG_INTERWORKING |
429dd9af JM |
1345 | if (wpa_s->drv_flags / WPA_DRIVER_FLAGS_QOS_MAPPING) |
1346 | *pos |= 0x01; /* Bit 32 - QoS Map */ | |
56f5af48 | 1347 | #endif /* CONFIG_INTERWORKING */ |
8cd6b7bc JB |
1348 | break; |
1349 | case 5: /* Bits 40-47 */ | |
95a3ea94 JM |
1350 | #ifdef CONFIG_HS20 |
1351 | if (wpa_s->conf->hs20) | |
1352 | *pos |= 0x40; /* Bit 46 - WNM-Notification */ | |
1353 | #endif /* CONFIG_HS20 */ | |
8cd6b7bc JB |
1354 | break; |
1355 | case 6: /* Bits 48-55 */ | |
1356 | break; | |
1357 | } | |
1358 | } | |
03e47c9c | 1359 | |
03e47c9c | 1360 | |
0bbaa9b9 | 1361 | int wpas_build_ext_capab(struct wpa_supplicant *wpa_s, u8 *buf, size_t buflen) |
8cd6b7bc JB |
1362 | { |
1363 | u8 *pos = buf; | |
95a3ea94 | 1364 | u8 len = 6, i; |
8cd6b7bc JB |
1365 | |
1366 | if (len < wpa_s->extended_capa_len) | |
1367 | len = wpa_s->extended_capa_len; | |
0bbaa9b9 JM |
1368 | if (buflen < (size_t) len + 2) { |
1369 | wpa_printf(MSG_INFO, | |
1370 | "Not enough room for building extended capabilities element"); | |
1371 | return -1; | |
1372 | } | |
03e47c9c JM |
1373 | |
1374 | *pos++ = WLAN_EID_EXT_CAPAB; | |
8cd6b7bc JB |
1375 | *pos++ = len; |
1376 | for (i = 0; i < len; i++, pos++) { | |
1377 | wpas_ext_capab_byte(wpa_s, pos, i); | |
1378 | ||
1379 | if (i < wpa_s->extended_capa_len) { | |
1380 | *pos &= ~wpa_s->extended_capa_mask[i]; | |
1381 | *pos |= wpa_s->extended_capa[i]; | |
1382 | } | |
1383 | } | |
03e47c9c | 1384 | |
3db5439a JM |
1385 | while (len > 0 && buf[1 + len] == 0) { |
1386 | len--; | |
1387 | buf[1] = len; | |
1388 | } | |
1389 | if (len == 0) | |
1390 | return 0; | |
1391 | ||
1392 | return 2 + len; | |
03e47c9c JM |
1393 | } |
1394 | ||
1395 | ||
6ac4b15e JM |
1396 | static int wpas_valid_bss(struct wpa_supplicant *wpa_s, |
1397 | struct wpa_bss *test_bss) | |
1398 | { | |
1399 | struct wpa_bss *bss; | |
1400 | ||
1401 | dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { | |
1402 | if (bss == test_bss) | |
1403 | return 1; | |
1404 | } | |
1405 | ||
1406 | return 0; | |
1407 | } | |
1408 | ||
1409 | ||
1410 | static int wpas_valid_ssid(struct wpa_supplicant *wpa_s, | |
1411 | struct wpa_ssid *test_ssid) | |
1412 | { | |
1413 | struct wpa_ssid *ssid; | |
1414 | ||
1415 | for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { | |
1416 | if (ssid == test_ssid) | |
1417 | return 1; | |
1418 | } | |
1419 | ||
1420 | return 0; | |
1421 | } | |
1422 | ||
1423 | ||
1424 | int wpas_valid_bss_ssid(struct wpa_supplicant *wpa_s, struct wpa_bss *test_bss, | |
1425 | struct wpa_ssid *test_ssid) | |
1426 | { | |
1427 | if (test_bss && !wpas_valid_bss(wpa_s, test_bss)) | |
1428 | return 0; | |
1429 | ||
1430 | return test_ssid == NULL || wpas_valid_ssid(wpa_s, test_ssid); | |
1431 | } | |
1432 | ||
1433 | ||
1434 | void wpas_connect_work_free(struct wpa_connect_work *cwork) | |
1435 | { | |
1436 | if (cwork == NULL) | |
1437 | return; | |
1438 | os_free(cwork); | |
1439 | } | |
1440 | ||
1441 | ||
1442 | void wpas_connect_work_done(struct wpa_supplicant *wpa_s) | |
1443 | { | |
1444 | struct wpa_connect_work *cwork; | |
1445 | struct wpa_radio_work *work = wpa_s->connect_work; | |
1446 | ||
1447 | if (!work) | |
1448 | return; | |
1449 | ||
1450 | wpa_s->connect_work = NULL; | |
1451 | cwork = work->ctx; | |
1452 | work->ctx = NULL; | |
1453 | wpas_connect_work_free(cwork); | |
1454 | radio_work_done(work); | |
1455 | } | |
1456 | ||
1457 | ||
a313d17d | 1458 | int wpas_update_random_addr(struct wpa_supplicant *wpa_s, int style) |
c267753b JM |
1459 | { |
1460 | struct os_reltime now; | |
1461 | u8 addr[ETH_ALEN]; | |
1462 | ||
1463 | os_get_reltime(&now); | |
a313d17d JM |
1464 | if (wpa_s->last_mac_addr_style == style && |
1465 | wpa_s->last_mac_addr_change.sec != 0 && | |
c267753b JM |
1466 | !os_reltime_expired(&now, &wpa_s->last_mac_addr_change, |
1467 | wpa_s->conf->rand_addr_lifetime)) { | |
1468 | wpa_msg(wpa_s, MSG_DEBUG, | |
1469 | "Previously selected random MAC address has not yet expired"); | |
1470 | return 0; | |
1471 | } | |
1472 | ||
a313d17d JM |
1473 | switch (style) { |
1474 | case 1: | |
1475 | if (random_mac_addr(addr) < 0) | |
1476 | return -1; | |
1477 | break; | |
1478 | case 2: | |
1479 | os_memcpy(addr, wpa_s->perm_addr, ETH_ALEN); | |
1480 | if (random_mac_addr_keep_oui(addr) < 0) | |
1481 | return -1; | |
1482 | break; | |
1483 | default: | |
c267753b | 1484 | return -1; |
a313d17d | 1485 | } |
c267753b JM |
1486 | |
1487 | if (wpa_drv_set_mac_addr(wpa_s, addr) < 0) { | |
1488 | wpa_msg(wpa_s, MSG_INFO, | |
1489 | "Failed to set random MAC address"); | |
1490 | return -1; | |
1491 | } | |
1492 | ||
1493 | os_get_reltime(&wpa_s->last_mac_addr_change); | |
1494 | wpa_s->mac_addr_changed = 1; | |
a313d17d | 1495 | wpa_s->last_mac_addr_style = style; |
c267753b JM |
1496 | |
1497 | if (wpa_supplicant_update_mac_addr(wpa_s) < 0) { | |
1498 | wpa_msg(wpa_s, MSG_INFO, | |
1499 | "Could not update MAC address information"); | |
1500 | return -1; | |
1501 | } | |
1502 | ||
1503 | wpa_msg(wpa_s, MSG_DEBUG, "Using random MAC address " MACSTR, | |
1504 | MAC2STR(addr)); | |
1505 | ||
1506 | return 0; | |
1507 | } | |
1508 | ||
1509 | ||
1510 | int wpas_update_random_addr_disassoc(struct wpa_supplicant *wpa_s) | |
1511 | { | |
1512 | if (wpa_s->wpa_state >= WPA_AUTHENTICATING || | |
1513 | !wpa_s->conf->preassoc_mac_addr) | |
1514 | return 0; | |
1515 | ||
a313d17d | 1516 | return wpas_update_random_addr(wpa_s, wpa_s->conf->preassoc_mac_addr); |
c267753b JM |
1517 | } |
1518 | ||
1519 | ||
6ac4b15e JM |
1520 | static void wpas_start_assoc_cb(struct wpa_radio_work *work, int deinit); |
1521 | ||
6fc6879b JM |
1522 | /** |
1523 | * wpa_supplicant_associate - Request association | |
1524 | * @wpa_s: Pointer to wpa_supplicant data | |
1525 | * @bss: Scan results for the selected BSS, or %NULL if not available | |
1526 | * @ssid: Configuration data for the selected network | |
1527 | * | |
1528 | * This function is used to request %wpa_supplicant to associate with a BSS. | |
1529 | */ | |
1530 | void wpa_supplicant_associate(struct wpa_supplicant *wpa_s, | |
6fa81a3b | 1531 | struct wpa_bss *bss, struct wpa_ssid *ssid) |
6fc6879b | 1532 | { |
6ac4b15e | 1533 | struct wpa_connect_work *cwork; |
a313d17d JM |
1534 | int rand_style; |
1535 | ||
1536 | if (ssid->mac_addr == -1) | |
1537 | rand_style = wpa_s->conf->mac_addr; | |
1538 | else | |
1539 | rand_style = ssid->mac_addr; | |
6fc6879b | 1540 | |
8c42b369 EP |
1541 | wmm_ac_clear_saved_tspecs(wpa_s); |
1542 | wpa_s->reassoc_same_bss = 0; | |
1543 | ||
c267753b JM |
1544 | if (wpa_s->last_ssid == ssid) { |
1545 | wpa_dbg(wpa_s, MSG_DEBUG, "Re-association to the same ESS"); | |
8c42b369 EP |
1546 | if (wpa_s->current_bss && wpa_s->current_bss == bss) { |
1547 | wmm_ac_save_tspecs(wpa_s); | |
1548 | wpa_s->reassoc_same_bss = 1; | |
1549 | } | |
a313d17d JM |
1550 | } else if (rand_style > 0) { |
1551 | if (wpas_update_random_addr(wpa_s, rand_style) < 0) | |
c267753b JM |
1552 | return; |
1553 | wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid); | |
1554 | } else if (wpa_s->mac_addr_changed) { | |
1555 | if (wpa_drv_set_mac_addr(wpa_s, NULL) < 0) { | |
1556 | wpa_msg(wpa_s, MSG_INFO, | |
1557 | "Could not restore permanent MAC address"); | |
1558 | return; | |
1559 | } | |
1560 | wpa_s->mac_addr_changed = 0; | |
1561 | if (wpa_supplicant_update_mac_addr(wpa_s) < 0) { | |
1562 | wpa_msg(wpa_s, MSG_INFO, | |
1563 | "Could not update MAC address information"); | |
1564 | return; | |
1565 | } | |
1566 | wpa_msg(wpa_s, MSG_DEBUG, "Using permanent MAC address"); | |
1567 | } | |
1568 | wpa_s->last_ssid = ssid; | |
1569 | ||
78177a00 JM |
1570 | #ifdef CONFIG_IBSS_RSN |
1571 | ibss_rsn_deinit(wpa_s->ibss_rsn); | |
1572 | wpa_s->ibss_rsn = NULL; | |
1573 | #endif /* CONFIG_IBSS_RSN */ | |
1574 | ||
2c5d725c JM |
1575 | if (ssid->mode == WPAS_MODE_AP || ssid->mode == WPAS_MODE_P2P_GO || |
1576 | ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) { | |
1581b38b JM |
1577 | #ifdef CONFIG_AP |
1578 | if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP)) { | |
f049052b BG |
1579 | wpa_msg(wpa_s, MSG_INFO, "Driver does not support AP " |
1580 | "mode"); | |
1581b38b JM |
1581 | return; |
1582 | } | |
8c981d17 DW |
1583 | if (wpa_supplicant_create_ap(wpa_s, ssid) < 0) { |
1584 | wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); | |
b2b688d1 VKE |
1585 | if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) |
1586 | wpas_p2p_ap_setup_failed(wpa_s); | |
8c981d17 DW |
1587 | return; |
1588 | } | |
8f770587 | 1589 | wpa_s->current_bss = bss; |
1581b38b | 1590 | #else /* CONFIG_AP */ |
f049052b BG |
1591 | wpa_msg(wpa_s, MSG_ERROR, "AP mode support not included in " |
1592 | "the build"); | |
1581b38b JM |
1593 | #endif /* CONFIG_AP */ |
1594 | return; | |
1595 | } | |
1596 | ||
603a3f34 JL |
1597 | if (ssid->mode == WPAS_MODE_MESH) { |
1598 | #ifdef CONFIG_MESH | |
1599 | if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_MESH)) { | |
1600 | wpa_msg(wpa_s, MSG_INFO, | |
1601 | "Driver does not support mesh mode"); | |
1602 | return; | |
1603 | } | |
1604 | if (bss) | |
1605 | ssid->frequency = bss->freq; | |
1606 | if (wpa_supplicant_join_mesh(wpa_s, ssid) < 0) { | |
1607 | wpa_msg(wpa_s, MSG_ERROR, "Could not join mesh"); | |
1608 | return; | |
1609 | } | |
1610 | wpa_s->current_bss = bss; | |
1611 | wpa_msg_ctrl(wpa_s, MSG_INFO, MESH_GROUP_STARTED | |
1612 | "ssid=\"%s\" id=%d", | |
1613 | wpa_ssid_txt(ssid->ssid, ssid->ssid_len), | |
1614 | ssid->id); | |
1615 | #else /* CONFIG_MESH */ | |
1616 | wpa_msg(wpa_s, MSG_ERROR, | |
1617 | "mesh mode support not included in the build"); | |
1618 | #endif /* CONFIG_MESH */ | |
1619 | return; | |
1620 | } | |
1621 | ||
52c9e6f3 | 1622 | #ifdef CONFIG_TDLS |
95cb2d88 JM |
1623 | if (bss) |
1624 | wpa_tdls_ap_ies(wpa_s->wpa, (const u8 *) (bss + 1), | |
1625 | bss->ie_len); | |
52c9e6f3 JM |
1626 | #endif /* CONFIG_TDLS */ |
1627 | ||
5cc4d64b JM |
1628 | if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) && |
1629 | ssid->mode == IEEE80211_MODE_INFRA) { | |
c2a04078 JM |
1630 | sme_authenticate(wpa_s, bss, ssid); |
1631 | return; | |
1632 | } | |
1633 | ||
6ac4b15e JM |
1634 | if (wpa_s->connect_work) { |
1635 | wpa_dbg(wpa_s, MSG_DEBUG, "Reject wpa_supplicant_associate() call since connect_work exist"); | |
1636 | return; | |
1637 | } | |
1638 | ||
f0e30c84 JM |
1639 | if (radio_work_pending(wpa_s, "connect")) { |
1640 | wpa_dbg(wpa_s, MSG_DEBUG, "Reject wpa_supplicant_associate() call since pending work exist"); | |
1641 | return; | |
1642 | } | |
1643 | ||
6ac4b15e JM |
1644 | cwork = os_zalloc(sizeof(*cwork)); |
1645 | if (cwork == NULL) | |
1646 | return; | |
1647 | ||
1648 | cwork->bss = bss; | |
1649 | cwork->ssid = ssid; | |
1650 | ||
1651 | if (radio_add_work(wpa_s, bss ? bss->freq : 0, "connect", 1, | |
1652 | wpas_start_assoc_cb, cwork) < 0) { | |
1653 | os_free(cwork); | |
1654 | } | |
1655 | } | |
1656 | ||
1657 | ||
98479dc9 JD |
1658 | static int bss_is_ibss(struct wpa_bss *bss) |
1659 | { | |
1660 | return (bss->caps & (IEEE80211_CAP_ESS | IEEE80211_CAP_IBSS)) == | |
1661 | IEEE80211_CAP_IBSS; | |
1662 | } | |
1663 | ||
1664 | ||
54fe48b9 JM |
1665 | void ibss_mesh_setup_freq(struct wpa_supplicant *wpa_s, |
1666 | const struct wpa_ssid *ssid, | |
1667 | struct hostapd_freq_params *freq) | |
1830817e JD |
1668 | { |
1669 | enum hostapd_hw_mode hw_mode; | |
1670 | struct hostapd_hw_modes *mode = NULL; | |
6b8b0774 JD |
1671 | int ht40plus[] = { 36, 44, 52, 60, 100, 108, 116, 124, 132, 149, 157, |
1672 | 184, 192 }; | |
563ee183 | 1673 | int vht80[] = { 36, 52, 100, 116, 132, 149 }; |
6b8b0774 | 1674 | struct hostapd_channel_data *pri_chan = NULL, *sec_chan = NULL; |
1830817e | 1675 | u8 channel; |
98479dc9 | 1676 | int i, chan_idx, ht40 = -1, res, obss_scan = 1; |
6b8b0774 | 1677 | unsigned int j; |
563ee183 | 1678 | struct hostapd_freq_params vht_freq; |
1830817e JD |
1679 | |
1680 | freq->freq = ssid->frequency; | |
1681 | ||
98479dc9 JD |
1682 | for (j = 0; j < wpa_s->last_scan_res_used; j++) { |
1683 | struct wpa_bss *bss = wpa_s->last_scan_res[j]; | |
1684 | ||
1685 | if (ssid->mode != WPAS_MODE_IBSS) | |
1686 | break; | |
1687 | ||
1688 | /* Don't adjust control freq in case of fixed_freq */ | |
1689 | if (ssid->fixed_freq) | |
1690 | break; | |
1691 | ||
1692 | if (!bss_is_ibss(bss)) | |
1693 | continue; | |
1694 | ||
1695 | if (ssid->ssid_len == bss->ssid_len && | |
1696 | os_memcmp(ssid->ssid, bss->ssid, bss->ssid_len) == 0) { | |
1697 | wpa_printf(MSG_DEBUG, | |
1698 | "IBSS already found in scan results, adjust control freq: %d", | |
1699 | bss->freq); | |
1700 | freq->freq = bss->freq; | |
1701 | obss_scan = 0; | |
1702 | break; | |
1703 | } | |
1704 | } | |
1705 | ||
1830817e JD |
1706 | /* For IBSS check HT_IBSS flag */ |
1707 | if (ssid->mode == WPAS_MODE_IBSS && | |
1708 | !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_HT_IBSS)) | |
1709 | return; | |
1710 | ||
d9a9bc04 JD |
1711 | if (wpa_s->group_cipher == WPA_CIPHER_WEP40 || |
1712 | wpa_s->group_cipher == WPA_CIPHER_WEP104 || | |
1713 | wpa_s->pairwise_cipher == WPA_CIPHER_TKIP) { | |
1714 | wpa_printf(MSG_DEBUG, | |
1715 | "IBSS: WEP/TKIP detected, do not try to enable HT"); | |
1716 | return; | |
1717 | } | |
1718 | ||
98479dc9 | 1719 | hw_mode = ieee80211_freq_to_chan(freq->freq, &channel); |
1830817e JD |
1720 | for (i = 0; wpa_s->hw.modes && i < wpa_s->hw.num_modes; i++) { |
1721 | if (wpa_s->hw.modes[i].mode == hw_mode) { | |
1722 | mode = &wpa_s->hw.modes[i]; | |
1723 | break; | |
1724 | } | |
1725 | } | |
1726 | ||
1727 | if (!mode) | |
1728 | return; | |
1729 | ||
1730 | freq->ht_enabled = ht_supported(mode); | |
6b8b0774 JD |
1731 | if (!freq->ht_enabled) |
1732 | return; | |
1733 | ||
1734 | /* Setup higher BW only for 5 GHz */ | |
1735 | if (mode->mode != HOSTAPD_MODE_IEEE80211A) | |
1736 | return; | |
1737 | ||
1738 | for (chan_idx = 0; chan_idx < mode->num_channels; chan_idx++) { | |
1739 | pri_chan = &mode->channels[chan_idx]; | |
1740 | if (pri_chan->chan == channel) | |
1741 | break; | |
1742 | pri_chan = NULL; | |
1743 | } | |
1744 | if (!pri_chan) | |
1745 | return; | |
1746 | ||
1747 | /* Check primary channel flags */ | |
1748 | if (pri_chan->flag & (HOSTAPD_CHAN_DISABLED | HOSTAPD_CHAN_NO_IR)) | |
1749 | return; | |
1750 | ||
1751 | /* Check/setup HT40+/HT40- */ | |
1752 | for (j = 0; j < ARRAY_SIZE(ht40plus); j++) { | |
1753 | if (ht40plus[j] == channel) { | |
1754 | ht40 = 1; | |
1755 | break; | |
1756 | } | |
1757 | } | |
1758 | ||
1759 | /* Find secondary channel */ | |
1760 | for (i = 0; i < mode->num_channels; i++) { | |
1761 | sec_chan = &mode->channels[i]; | |
1762 | if (sec_chan->chan == channel + ht40 * 4) | |
1763 | break; | |
1764 | sec_chan = NULL; | |
1765 | } | |
1766 | if (!sec_chan) | |
1767 | return; | |
1768 | ||
1769 | /* Check secondary channel flags */ | |
1770 | if (sec_chan->flag & (HOSTAPD_CHAN_DISABLED | HOSTAPD_CHAN_NO_IR)) | |
1771 | return; | |
1772 | ||
1773 | freq->channel = pri_chan->chan; | |
1774 | ||
1775 | switch (ht40) { | |
1776 | case -1: | |
1777 | if (!(pri_chan->flag & HOSTAPD_CHAN_HT40MINUS)) | |
1778 | return; | |
1779 | freq->sec_channel_offset = -1; | |
1780 | break; | |
1781 | case 1: | |
1782 | if (!(pri_chan->flag & HOSTAPD_CHAN_HT40PLUS)) | |
1783 | return; | |
1784 | freq->sec_channel_offset = 1; | |
1785 | break; | |
1786 | default: | |
1787 | break; | |
1788 | } | |
1789 | ||
98479dc9 | 1790 | if (freq->sec_channel_offset && obss_scan) { |
6b8b0774 JD |
1791 | struct wpa_scan_results *scan_res; |
1792 | ||
1793 | scan_res = wpa_supplicant_get_scan_results(wpa_s, NULL, 0); | |
1794 | if (scan_res == NULL) { | |
1795 | /* Back to HT20 */ | |
1796 | freq->sec_channel_offset = 0; | |
1797 | return; | |
1798 | } | |
1799 | ||
1800 | res = check_40mhz_5g(mode, scan_res, pri_chan->chan, | |
1801 | sec_chan->chan); | |
1802 | switch (res) { | |
1803 | case 0: | |
1804 | /* Back to HT20 */ | |
1805 | freq->sec_channel_offset = 0; | |
1806 | break; | |
1807 | case 1: | |
1808 | /* Configuration allowed */ | |
1809 | break; | |
1810 | case 2: | |
1811 | /* Switch pri/sec channels */ | |
1812 | freq->freq = hw_get_freq(mode, sec_chan->chan); | |
1813 | freq->sec_channel_offset = -freq->sec_channel_offset; | |
1814 | freq->channel = sec_chan->chan; | |
1815 | break; | |
1816 | default: | |
1817 | freq->sec_channel_offset = 0; | |
1818 | break; | |
1819 | } | |
1820 | ||
1821 | wpa_scan_results_free(scan_res); | |
1822 | } | |
1823 | ||
1824 | wpa_printf(MSG_DEBUG, | |
1825 | "IBSS/mesh: setup freq channel %d, sec_channel_offset %d", | |
1826 | freq->channel, freq->sec_channel_offset); | |
563ee183 JD |
1827 | |
1828 | /* Not sure if mesh is ready for VHT */ | |
1829 | if (ssid->mode != WPAS_MODE_IBSS) | |
1830 | return; | |
1831 | ||
1832 | /* For IBSS check VHT_IBSS flag */ | |
1833 | if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_VHT_IBSS)) | |
1834 | return; | |
1835 | ||
1836 | vht_freq = *freq; | |
1837 | ||
1838 | vht_freq.vht_enabled = vht_supported(mode); | |
1839 | if (!vht_freq.vht_enabled) | |
1840 | return; | |
1841 | ||
1842 | /* setup center_freq1, bandwidth */ | |
1843 | for (j = 0; j < ARRAY_SIZE(vht80); j++) { | |
1844 | if (freq->channel >= vht80[j] && | |
1845 | freq->channel < vht80[j] + 16) | |
1846 | break; | |
1847 | } | |
1848 | ||
1849 | if (j == ARRAY_SIZE(vht80)) | |
1850 | return; | |
1851 | ||
1852 | for (i = vht80[j]; i < vht80[j] + 16; i += 4) { | |
1853 | struct hostapd_channel_data *chan; | |
1854 | ||
1855 | chan = hw_get_channel_chan(mode, i, NULL); | |
1856 | if (!chan) | |
1857 | return; | |
1858 | ||
1859 | /* Back to HT configuration if channel not usable */ | |
1860 | if (chan->flag & (HOSTAPD_CHAN_DISABLED | HOSTAPD_CHAN_NO_IR)) | |
1861 | return; | |
1862 | } | |
1863 | ||
1864 | if (hostapd_set_freq_params(&vht_freq, mode->mode, freq->freq, | |
1865 | freq->channel, freq->ht_enabled, | |
1866 | vht_freq.vht_enabled, | |
1867 | freq->sec_channel_offset, | |
1868 | VHT_CHANWIDTH_80MHZ, | |
c3dabf5a | 1869 | vht80[j] + 6, 0, 0) != 0) |
563ee183 JD |
1870 | return; |
1871 | ||
1872 | *freq = vht_freq; | |
1873 | ||
1874 | wpa_printf(MSG_DEBUG, "IBSS: VHT setup freq cf1 %d, cf2 %d, bw %d", | |
1875 | freq->center_freq1, freq->center_freq2, freq->bandwidth); | |
1830817e JD |
1876 | } |
1877 | ||
1878 | ||
6ac4b15e JM |
1879 | static void wpas_start_assoc_cb(struct wpa_radio_work *work, int deinit) |
1880 | { | |
1881 | struct wpa_connect_work *cwork = work->ctx; | |
1882 | struct wpa_bss *bss = cwork->bss; | |
1883 | struct wpa_ssid *ssid = cwork->ssid; | |
1884 | struct wpa_supplicant *wpa_s = work->wpa_s; | |
1885 | u8 wpa_ie[200]; | |
1886 | size_t wpa_ie_len; | |
1887 | int use_crypt, ret, i, bssid_changed; | |
1888 | int algs = WPA_AUTH_ALG_OPEN; | |
1889 | unsigned int cipher_pairwise, cipher_group; | |
1890 | struct wpa_driver_associate_params params; | |
1891 | int wep_keys_set = 0; | |
1892 | int assoc_failed = 0; | |
1893 | struct wpa_ssid *old_ssid; | |
1894 | #ifdef CONFIG_HT_OVERRIDES | |
1895 | struct ieee80211_ht_capabilities htcaps; | |
1896 | struct ieee80211_ht_capabilities htcaps_mask; | |
1897 | #endif /* CONFIG_HT_OVERRIDES */ | |
6aa1cd4e PS |
1898 | #ifdef CONFIG_VHT_OVERRIDES |
1899 | struct ieee80211_vht_capabilities vhtcaps; | |
1900 | struct ieee80211_vht_capabilities vhtcaps_mask; | |
1901 | #endif /* CONFIG_VHT_OVERRIDES */ | |
6ac4b15e JM |
1902 | |
1903 | if (deinit) { | |
b3253ebb AO |
1904 | if (work->started) { |
1905 | wpa_s->connect_work = NULL; | |
1906 | ||
1907 | /* cancel possible auth. timeout */ | |
1908 | eloop_cancel_timeout(wpa_supplicant_timeout, wpa_s, | |
1909 | NULL); | |
1910 | } | |
6ac4b15e JM |
1911 | wpas_connect_work_free(cwork); |
1912 | return; | |
1913 | } | |
1914 | ||
1915 | wpa_s->connect_work = work; | |
1916 | ||
a7f5271d | 1917 | if (cwork->bss_removed || !wpas_valid_bss_ssid(wpa_s, bss, ssid)) { |
6ac4b15e JM |
1918 | wpa_dbg(wpa_s, MSG_DEBUG, "BSS/SSID entry for association not valid anymore - drop connection attempt"); |
1919 | wpas_connect_work_done(wpa_s); | |
1920 | return; | |
1921 | } | |
1922 | ||
0c80427d | 1923 | os_memset(¶ms, 0, sizeof(params)); |
6fc6879b | 1924 | wpa_s->reassociate = 0; |
c60ba9f7 | 1925 | wpa_s->eap_expected_failure = 0; |
76d81b32 JM |
1926 | if (bss && |
1927 | (!wpas_driver_bss_selection(wpa_s) || wpas_wps_searching(wpa_s))) { | |
6fc6879b | 1928 | #ifdef CONFIG_IEEE80211R |
6fa81a3b | 1929 | const u8 *ie, *md = NULL; |
6fc6879b | 1930 | #endif /* CONFIG_IEEE80211R */ |
6fc6879b JM |
1931 | wpa_msg(wpa_s, MSG_INFO, "Trying to associate with " MACSTR |
1932 | " (SSID='%s' freq=%d MHz)", MAC2STR(bss->bssid), | |
6fa81a3b | 1933 | wpa_ssid_txt(bss->ssid, bss->ssid_len), bss->freq); |
8bac466b | 1934 | bssid_changed = !is_zero_ether_addr(wpa_s->bssid); |
6fc6879b JM |
1935 | os_memset(wpa_s->bssid, 0, ETH_ALEN); |
1936 | os_memcpy(wpa_s->pending_bssid, bss->bssid, ETH_ALEN); | |
8bac466b JM |
1937 | if (bssid_changed) |
1938 | wpas_notify_bssid_changed(wpa_s); | |
6fc6879b | 1939 | #ifdef CONFIG_IEEE80211R |
6fa81a3b | 1940 | ie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN); |
6fc6879b JM |
1941 | if (ie && ie[1] >= MOBILITY_DOMAIN_ID_LEN) |
1942 | md = ie + 2; | |
e7846b68 | 1943 | wpa_sm_set_ft_params(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0); |
91a05482 JM |
1944 | if (md) { |
1945 | /* Prepare for the next transition */ | |
76b7981d | 1946 | wpa_ft_prepare_auth_request(wpa_s->wpa, ie); |
91a05482 | 1947 | } |
6fc6879b | 1948 | #endif /* CONFIG_IEEE80211R */ |
24c23d1b JM |
1949 | #ifdef CONFIG_WPS |
1950 | } else if ((ssid->ssid == NULL || ssid->ssid_len == 0) && | |
1951 | wpa_s->conf->ap_scan == 2 && | |
1952 | (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) { | |
1953 | /* Use ap_scan==1 style network selection to find the network | |
1954 | */ | |
74656400 | 1955 | wpas_connect_work_done(wpa_s); |
4115303b | 1956 | wpa_s->scan_req = MANUAL_SCAN_REQ; |
24c23d1b JM |
1957 | wpa_s->reassociate = 1; |
1958 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
1959 | return; | |
1960 | #endif /* CONFIG_WPS */ | |
6fc6879b JM |
1961 | } else { |
1962 | wpa_msg(wpa_s, MSG_INFO, "Trying to associate with SSID '%s'", | |
1963 | wpa_ssid_txt(ssid->ssid, ssid->ssid_len)); | |
1964 | os_memset(wpa_s->pending_bssid, 0, ETH_ALEN); | |
1965 | } | |
a4cba8f1 | 1966 | wpa_supplicant_cancel_sched_scan(wpa_s); |
6fc6879b JM |
1967 | wpa_supplicant_cancel_scan(wpa_s); |
1968 | ||
1969 | /* Starting new association, so clear the possibly used WPA IE from the | |
1970 | * previous association. */ | |
1971 | wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0); | |
1972 | ||
1973 | #ifdef IEEE8021X_EAPOL | |
1974 | if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) { | |
1975 | if (ssid->leap) { | |
1976 | if (ssid->non_leap == 0) | |
abd9fafa | 1977 | algs = WPA_AUTH_ALG_LEAP; |
6fc6879b | 1978 | else |
abd9fafa | 1979 | algs |= WPA_AUTH_ALG_LEAP; |
6fc6879b JM |
1980 | } |
1981 | } | |
1982 | #endif /* IEEE8021X_EAPOL */ | |
f049052b | 1983 | wpa_dbg(wpa_s, MSG_DEBUG, "Automatic auth_alg selection: 0x%x", algs); |
6fc6879b | 1984 | if (ssid->auth_alg) { |
abd9fafa | 1985 | algs = ssid->auth_alg; |
f049052b BG |
1986 | wpa_dbg(wpa_s, MSG_DEBUG, "Overriding auth_alg selection: " |
1987 | "0x%x", algs); | |
6fc6879b | 1988 | } |
6fc6879b | 1989 | |
6fa81a3b JM |
1990 | if (bss && (wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE) || |
1991 | wpa_bss_get_ie(bss, WLAN_EID_RSN)) && | |
0bf927a0 | 1992 | wpa_key_mgmt_wpa(ssid->key_mgmt)) { |
6fc6879b | 1993 | int try_opportunistic; |
6e202021 JM |
1994 | try_opportunistic = (ssid->proactive_key_caching < 0 ? |
1995 | wpa_s->conf->okc : | |
1996 | ssid->proactive_key_caching) && | |
6fc6879b JM |
1997 | (ssid->proto & WPA_PROTO_RSN); |
1998 | if (pmksa_cache_set_current(wpa_s->wpa, NULL, bss->bssid, | |
b2a12c4f | 1999 | ssid, try_opportunistic) == 0) |
ba422613 | 2000 | eapol_sm_notify_pmkid_attempt(wpa_s->eapol); |
6fc6879b JM |
2001 | wpa_ie_len = sizeof(wpa_ie); |
2002 | if (wpa_supplicant_set_suites(wpa_s, bss, ssid, | |
2003 | wpa_ie, &wpa_ie_len)) { | |
f049052b BG |
2004 | wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to set WPA " |
2005 | "key management and encryption suites"); | |
74656400 | 2006 | wpas_connect_work_done(wpa_s); |
6fc6879b JM |
2007 | return; |
2008 | } | |
a3f7e518 JM |
2009 | } else if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) && bss && |
2010 | wpa_key_mgmt_wpa_ieee8021x(ssid->key_mgmt)) { | |
2011 | /* | |
2012 | * Both WPA and non-WPA IEEE 802.1X enabled in configuration - | |
2013 | * use non-WPA since the scan results did not indicate that the | |
2014 | * AP is using WPA or WPA2. | |
2015 | */ | |
2016 | wpa_supplicant_set_non_wpa_policy(wpa_s, ssid); | |
2017 | wpa_ie_len = 0; | |
2018 | wpa_s->wpa_proto = 0; | |
0bf927a0 | 2019 | } else if (wpa_key_mgmt_wpa_any(ssid->key_mgmt)) { |
6fc6879b JM |
2020 | wpa_ie_len = sizeof(wpa_ie); |
2021 | if (wpa_supplicant_set_suites(wpa_s, NULL, ssid, | |
2022 | wpa_ie, &wpa_ie_len)) { | |
f049052b BG |
2023 | wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to set WPA " |
2024 | "key management and encryption suites (no " | |
2025 | "scan results)"); | |
74656400 | 2026 | wpas_connect_work_done(wpa_s); |
6fc6879b JM |
2027 | return; |
2028 | } | |
ad08c363 JM |
2029 | #ifdef CONFIG_WPS |
2030 | } else if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) { | |
b01c18a8 JM |
2031 | struct wpabuf *wps_ie; |
2032 | wps_ie = wps_build_assoc_req_ie(wpas_wps_get_req_type(ssid)); | |
ad08c363 JM |
2033 | if (wps_ie && wpabuf_len(wps_ie) <= sizeof(wpa_ie)) { |
2034 | wpa_ie_len = wpabuf_len(wps_ie); | |
2035 | os_memcpy(wpa_ie, wpabuf_head(wps_ie), wpa_ie_len); | |
24386985 JM |
2036 | } else |
2037 | wpa_ie_len = 0; | |
ad08c363 JM |
2038 | wpabuf_free(wps_ie); |
2039 | wpa_supplicant_set_non_wpa_policy(wpa_s, ssid); | |
0c80427d JM |
2040 | if (!bss || (bss->caps & IEEE80211_CAP_PRIVACY)) |
2041 | params.wps = WPS_MODE_PRIVACY; | |
2042 | else | |
2043 | params.wps = WPS_MODE_OPEN; | |
cf546f1a | 2044 | wpa_s->wpa_proto = 0; |
ad08c363 | 2045 | #endif /* CONFIG_WPS */ |
6fc6879b JM |
2046 | } else { |
2047 | wpa_supplicant_set_non_wpa_policy(wpa_s, ssid); | |
2048 | wpa_ie_len = 0; | |
cf546f1a | 2049 | wpa_s->wpa_proto = 0; |
6fc6879b JM |
2050 | } |
2051 | ||
5f3a6aa0 JM |
2052 | #ifdef CONFIG_P2P |
2053 | if (wpa_s->global->p2p) { | |
2054 | u8 *pos; | |
2055 | size_t len; | |
2056 | int res; | |
5f3a6aa0 JM |
2057 | pos = wpa_ie + wpa_ie_len; |
2058 | len = sizeof(wpa_ie) - wpa_ie_len; | |
b8a8d677 JM |
2059 | res = wpas_p2p_assoc_req_ie(wpa_s, bss, pos, len, |
2060 | ssid->p2p_group); | |
5f3a6aa0 JM |
2061 | if (res >= 0) |
2062 | wpa_ie_len += res; | |
2063 | } | |
72044390 JM |
2064 | |
2065 | wpa_s->cross_connect_disallowed = 0; | |
2066 | if (bss) { | |
2067 | struct wpabuf *p2p; | |
2068 | p2p = wpa_bss_get_vendor_ie_multi(bss, P2P_IE_VENDOR_TYPE); | |
2069 | if (p2p) { | |
2070 | wpa_s->cross_connect_disallowed = | |
2071 | p2p_get_cross_connect_disallowed(p2p); | |
2072 | wpabuf_free(p2p); | |
f049052b BG |
2073 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: WLAN AP %s cross " |
2074 | "connection", | |
2075 | wpa_s->cross_connect_disallowed ? | |
2076 | "disallows" : "allows"); | |
72044390 JM |
2077 | } |
2078 | } | |
25ef8529 JM |
2079 | |
2080 | os_memset(wpa_s->p2p_ip_addr_info, 0, sizeof(wpa_s->p2p_ip_addr_info)); | |
5f3a6aa0 JM |
2081 | #endif /* CONFIG_P2P */ |
2082 | ||
cb418324 | 2083 | #ifdef CONFIG_HS20 |
55a2df43 | 2084 | if (is_hs20_network(wpa_s, ssid, bss)) { |
cb418324 JM |
2085 | struct wpabuf *hs20; |
2086 | hs20 = wpabuf_alloc(20); | |
2087 | if (hs20) { | |
f9cd147d | 2088 | int pps_mo_id = hs20_get_pps_mo_id(wpa_s, ssid); |
745ef184 JM |
2089 | size_t len; |
2090 | ||
f9cd147d | 2091 | wpas_hs20_add_indication(hs20, pps_mo_id); |
745ef184 JM |
2092 | len = sizeof(wpa_ie) - wpa_ie_len; |
2093 | if (wpabuf_len(hs20) <= len) { | |
2094 | os_memcpy(wpa_ie + wpa_ie_len, | |
2095 | wpabuf_head(hs20), wpabuf_len(hs20)); | |
2096 | wpa_ie_len += wpabuf_len(hs20); | |
2097 | } | |
cb418324 JM |
2098 | wpabuf_free(hs20); |
2099 | } | |
2100 | } | |
2101 | #endif /* CONFIG_HS20 */ | |
2102 | ||
8b3b803a AH |
2103 | /* |
2104 | * Workaround: Add Extended Capabilities element only if the AP | |
2105 | * included this element in Beacon/Probe Response frames. Some older | |
2106 | * APs seem to have interoperability issues if this element is | |
2107 | * included, so while the standard may require us to include the | |
2108 | * element in all cases, it is justifiable to skip it to avoid | |
2109 | * interoperability issues. | |
2110 | */ | |
2111 | if (!bss || wpa_bss_get_ie(bss, WLAN_EID_EXT_CAPAB)) { | |
0bbaa9b9 | 2112 | u8 ext_capab[18]; |
8b3b803a | 2113 | int ext_capab_len; |
0bbaa9b9 JM |
2114 | ext_capab_len = wpas_build_ext_capab(wpa_s, ext_capab, |
2115 | sizeof(ext_capab)); | |
8b3b803a AH |
2116 | if (ext_capab_len > 0) { |
2117 | u8 *pos = wpa_ie; | |
2118 | if (wpa_ie_len > 0 && pos[0] == WLAN_EID_RSN) | |
2119 | pos += 2 + pos[1]; | |
2120 | os_memmove(pos + ext_capab_len, pos, | |
2121 | wpa_ie_len - (pos - wpa_ie)); | |
2122 | wpa_ie_len += ext_capab_len; | |
2123 | os_memcpy(pos, ext_capab, ext_capab_len); | |
2124 | } | |
92cbcf91 | 2125 | } |
92cbcf91 | 2126 | |
d29fa3a7 JM |
2127 | if (wpa_s->vendor_elem[VENDOR_ELEM_ASSOC_REQ]) { |
2128 | struct wpabuf *buf = wpa_s->vendor_elem[VENDOR_ELEM_ASSOC_REQ]; | |
2129 | size_t len; | |
2130 | ||
2131 | len = sizeof(wpa_ie) - wpa_ie_len; | |
2132 | if (wpabuf_len(buf) <= len) { | |
2133 | os_memcpy(wpa_ie + wpa_ie_len, | |
2134 | wpabuf_head(buf), wpabuf_len(buf)); | |
2135 | wpa_ie_len += wpabuf_len(buf); | |
2136 | } | |
2137 | } | |
2138 | ||
6fc6879b JM |
2139 | wpa_clear_keys(wpa_s, bss ? bss->bssid : NULL); |
2140 | use_crypt = 1; | |
4848a38d JM |
2141 | cipher_pairwise = wpa_s->pairwise_cipher; |
2142 | cipher_group = wpa_s->group_cipher; | |
6fc6879b JM |
2143 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE || |
2144 | wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) { | |
2145 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE) | |
2146 | use_crypt = 0; | |
2147 | if (wpa_set_wep_keys(wpa_s, ssid)) { | |
2148 | use_crypt = 1; | |
2149 | wep_keys_set = 1; | |
2150 | } | |
2151 | } | |
ad08c363 JM |
2152 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS) |
2153 | use_crypt = 0; | |
6fc6879b JM |
2154 | |
2155 | #ifdef IEEE8021X_EAPOL | |
2156 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) { | |
2157 | if ((ssid->eapol_flags & | |
2158 | (EAPOL_FLAG_REQUIRE_KEY_UNICAST | | |
2159 | EAPOL_FLAG_REQUIRE_KEY_BROADCAST)) == 0 && | |
2160 | !wep_keys_set) { | |
2161 | use_crypt = 0; | |
2162 | } else { | |
2163 | /* Assume that dynamic WEP-104 keys will be used and | |
2164 | * set cipher suites in order for drivers to expect | |
2165 | * encryption. */ | |
4848a38d | 2166 | cipher_pairwise = cipher_group = WPA_CIPHER_WEP104; |
6fc6879b JM |
2167 | } |
2168 | } | |
2169 | #endif /* IEEE8021X_EAPOL */ | |
2170 | ||
2171 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) { | |
2172 | /* Set the key before (and later after) association */ | |
2173 | wpa_supplicant_set_wpa_none_key(wpa_s, ssid); | |
2174 | } | |
2175 | ||
6fc6879b | 2176 | wpa_supplicant_set_state(wpa_s, WPA_ASSOCIATING); |
6fc6879b | 2177 | if (bss) { |
6fa81a3b JM |
2178 | params.ssid = bss->ssid; |
2179 | params.ssid_len = bss->ssid_len; | |
f15854d1 JM |
2180 | if (!wpas_driver_bss_selection(wpa_s) || ssid->bssid_set) { |
2181 | wpa_printf(MSG_DEBUG, "Limit connection to BSSID " | |
2182 | MACSTR " freq=%u MHz based on scan results " | |
2183 | "(bssid_set=%d)", | |
2184 | MAC2STR(bss->bssid), bss->freq, | |
2185 | ssid->bssid_set); | |
22628eca | 2186 | params.bssid = bss->bssid; |
4ec68377 | 2187 | params.freq.freq = bss->freq; |
22628eca | 2188 | } |
7ac7fd43 DS |
2189 | params.bssid_hint = bss->bssid; |
2190 | params.freq_hint = bss->freq; | |
6fc6879b JM |
2191 | } else { |
2192 | params.ssid = ssid->ssid; | |
2193 | params.ssid_len = ssid->ssid_len; | |
2194 | } | |
9e2af29f NC |
2195 | |
2196 | if (ssid->mode == WPAS_MODE_IBSS && ssid->bssid_set && | |
2197 | wpa_s->conf->ap_scan == 2) { | |
2198 | params.bssid = ssid->bssid; | |
2199 | params.fixed_bssid = 1; | |
2200 | } | |
2201 | ||
603a3f34 JL |
2202 | /* Initial frequency for IBSS/mesh */ |
2203 | if ((ssid->mode == WPAS_MODE_IBSS || ssid->mode == WPAS_MODE_MESH) && | |
1830817e JD |
2204 | ssid->frequency > 0 && params.freq.freq == 0) |
2205 | ibss_mesh_setup_freq(wpa_s, ssid, ¶ms.freq); | |
dc152f32 | 2206 | |
8f05577d | 2207 | if (ssid->mode == WPAS_MODE_IBSS) { |
4d9e6fba | 2208 | params.fixed_freq = ssid->fixed_freq; |
8f05577d JM |
2209 | if (ssid->beacon_int) |
2210 | params.beacon_int = ssid->beacon_int; | |
2211 | else | |
2212 | params.beacon_int = wpa_s->conf->beacon_int; | |
2213 | } | |
2214 | ||
6fc6879b JM |
2215 | params.wpa_ie = wpa_ie; |
2216 | params.wpa_ie_len = wpa_ie_len; | |
2217 | params.pairwise_suite = cipher_pairwise; | |
2218 | params.group_suite = cipher_group; | |
4848a38d | 2219 | params.key_mgmt_suite = wpa_s->key_mgmt; |
64fa840a | 2220 | params.wpa_proto = wpa_s->wpa_proto; |
6fc6879b JM |
2221 | params.auth_alg = algs; |
2222 | params.mode = ssid->mode; | |
1f6c0ab8 | 2223 | params.bg_scan_period = ssid->bg_scan_period; |
6fc6879b JM |
2224 | for (i = 0; i < NUM_WEP_KEYS; i++) { |
2225 | if (ssid->wep_key_len[i]) | |
2226 | params.wep_key[i] = ssid->wep_key[i]; | |
2227 | params.wep_key_len[i] = ssid->wep_key_len[i]; | |
2228 | } | |
2229 | params.wep_tx_keyidx = ssid->wep_tx_keyidx; | |
2230 | ||
c2a04078 | 2231 | if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) && |
4848a38d JM |
2232 | (params.key_mgmt_suite == WPA_KEY_MGMT_PSK || |
2233 | params.key_mgmt_suite == WPA_KEY_MGMT_FT_PSK)) { | |
6fc6879b JM |
2234 | params.passphrase = ssid->passphrase; |
2235 | if (ssid->psk_set) | |
2236 | params.psk = ssid->psk; | |
b41f2684 CL |
2237 | } |
2238 | ||
2239 | if (wpa_s->conf->key_mgmt_offload) { | |
2240 | if (params.key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X || | |
666497c8 | 2241 | params.key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 || |
5e3b5197 JM |
2242 | params.key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B || |
2243 | params.key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) | |
b41f2684 CL |
2244 | params.req_key_mgmt_offload = |
2245 | ssid->proactive_key_caching < 0 ? | |
2246 | wpa_s->conf->okc : ssid->proactive_key_caching; | |
2247 | else | |
2248 | params.req_key_mgmt_offload = 1; | |
2249 | ||
2250 | if ((params.key_mgmt_suite == WPA_KEY_MGMT_PSK || | |
2251 | params.key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 || | |
2252 | params.key_mgmt_suite == WPA_KEY_MGMT_FT_PSK) && | |
2253 | ssid->psk_set) | |
2254 | params.psk = ssid->psk; | |
6fc6879b JM |
2255 | } |
2256 | ||
36b15723 JM |
2257 | params.drop_unencrypted = use_crypt; |
2258 | ||
6fc6879b | 2259 | #ifdef CONFIG_IEEE80211W |
3f56a2b7 | 2260 | params.mgmt_frame_protection = wpas_get_ssid_pmf(wpa_s, ssid); |
62d49803 | 2261 | if (params.mgmt_frame_protection != NO_MGMT_FRAME_PROTECTION && bss) { |
6fa81a3b | 2262 | const u8 *rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN); |
97d3497e JM |
2263 | struct wpa_ie_data ie; |
2264 | if (rsn && wpa_parse_wpa_ie(rsn, 2 + rsn[1], &ie) == 0 && | |
2265 | ie.capabilities & | |
2266 | (WPA_CAPABILITY_MFPC | WPA_CAPABILITY_MFPR)) { | |
f049052b BG |
2267 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Selected AP supports " |
2268 | "MFP: require MFP"); | |
97d3497e JM |
2269 | params.mgmt_frame_protection = |
2270 | MGMT_FRAME_PROTECTION_REQUIRED; | |
2271 | } | |
2272 | } | |
6fc6879b JM |
2273 | #endif /* CONFIG_IEEE80211W */ |
2274 | ||
ffad8858 | 2275 | params.p2p = ssid->p2p_group; |
6e3f4b89 | 2276 | |
eea2fd9e JM |
2277 | if (wpa_s->parent->set_sta_uapsd) |
2278 | params.uapsd = wpa_s->parent->sta_uapsd; | |
2279 | else | |
2280 | params.uapsd = -1; | |
2281 | ||
80e8a5ee BG |
2282 | #ifdef CONFIG_HT_OVERRIDES |
2283 | os_memset(&htcaps, 0, sizeof(htcaps)); | |
2284 | os_memset(&htcaps_mask, 0, sizeof(htcaps_mask)); | |
2285 | params.htcaps = (u8 *) &htcaps; | |
2286 | params.htcaps_mask = (u8 *) &htcaps_mask; | |
2287 | wpa_supplicant_apply_ht_overrides(wpa_s, ssid, ¶ms); | |
2288 | #endif /* CONFIG_HT_OVERRIDES */ | |
6aa1cd4e PS |
2289 | #ifdef CONFIG_VHT_OVERRIDES |
2290 | os_memset(&vhtcaps, 0, sizeof(vhtcaps)); | |
2291 | os_memset(&vhtcaps_mask, 0, sizeof(vhtcaps_mask)); | |
2292 | params.vhtcaps = &vhtcaps; | |
2293 | params.vhtcaps_mask = &vhtcaps_mask; | |
95ff3069 | 2294 | wpa_supplicant_apply_vht_overrides(wpa_s, ssid, ¶ms); |
6aa1cd4e | 2295 | #endif /* CONFIG_VHT_OVERRIDES */ |
80e8a5ee | 2296 | |
8567866d JJ |
2297 | #ifdef CONFIG_P2P |
2298 | /* | |
2299 | * If multi-channel concurrency is not supported, check for any | |
2300 | * frequency conflict. In case of any frequency conflict, remove the | |
2301 | * least prioritized connection. | |
2302 | */ | |
2303 | if (wpa_s->num_multichan_concurrent < 2) { | |
d0df6437 IP |
2304 | int freq, num; |
2305 | num = get_shared_radio_freqs(wpa_s, &freq, 1); | |
4ec68377 | 2306 | if (num > 0 && freq > 0 && freq != params.freq.freq) { |
d0df6437 IP |
2307 | wpa_printf(MSG_DEBUG, |
2308 | "Assoc conflicting freq found (%d != %d)", | |
4ec68377 JD |
2309 | freq, params.freq.freq); |
2310 | if (wpas_p2p_handle_frequency_conflicts( | |
74656400 SD |
2311 | wpa_s, params.freq.freq, ssid) < 0) { |
2312 | wpas_connect_work_done(wpa_s); | |
8567866d | 2313 | return; |
74656400 | 2314 | } |
8567866d JJ |
2315 | } |
2316 | } | |
2317 | #endif /* CONFIG_P2P */ | |
2318 | ||
17fbb751 | 2319 | ret = wpa_drv_associate(wpa_s, ¶ms); |
6fc6879b JM |
2320 | if (ret < 0) { |
2321 | wpa_msg(wpa_s, MSG_INFO, "Association request to the driver " | |
2322 | "failed"); | |
871f4dd0 JM |
2323 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SANE_ERROR_CODES) { |
2324 | /* | |
2325 | * The driver is known to mean what is saying, so we | |
2326 | * can stop right here; the association will not | |
2327 | * succeed. | |
2328 | */ | |
2329 | wpas_connection_failed(wpa_s, wpa_s->pending_bssid); | |
c1c02342 | 2330 | wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); |
871f4dd0 JM |
2331 | os_memset(wpa_s->pending_bssid, 0, ETH_ALEN); |
2332 | return; | |
2333 | } | |
6fc6879b JM |
2334 | /* try to continue anyway; new association will be tried again |
2335 | * after timeout */ | |
2336 | assoc_failed = 1; | |
2337 | } | |
2338 | ||
2339 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) { | |
2340 | /* Set the key after the association just in case association | |
2341 | * cleared the previously configured key. */ | |
2342 | wpa_supplicant_set_wpa_none_key(wpa_s, ssid); | |
2343 | /* No need to timeout authentication since there is no key | |
2344 | * management. */ | |
2345 | wpa_supplicant_cancel_auth_timeout(wpa_s); | |
2346 | wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); | |
53895c3b | 2347 | #ifdef CONFIG_IBSS_RSN |
d7dcba70 | 2348 | } else if (ssid->mode == WPAS_MODE_IBSS && |
53895c3b JM |
2349 | wpa_s->key_mgmt != WPA_KEY_MGMT_NONE && |
2350 | wpa_s->key_mgmt != WPA_KEY_MGMT_WPA_NONE) { | |
2351 | /* | |
2352 | * RSN IBSS authentication is per-STA and we can disable the | |
2353 | * per-BSSID authentication. | |
2354 | */ | |
2355 | wpa_supplicant_cancel_auth_timeout(wpa_s); | |
53895c3b | 2356 | #endif /* CONFIG_IBSS_RSN */ |
6fc6879b JM |
2357 | } else { |
2358 | /* Timeout for IEEE 802.11 authentication and association */ | |
1d3c75b3 DW |
2359 | int timeout = 60; |
2360 | ||
2361 | if (assoc_failed) { | |
2362 | /* give IBSS a bit more time */ | |
d7dcba70 | 2363 | timeout = ssid->mode == WPAS_MODE_IBSS ? 10 : 5; |
1d3c75b3 DW |
2364 | } else if (wpa_s->conf->ap_scan == 1) { |
2365 | /* give IBSS a bit more time */ | |
d7dcba70 | 2366 | timeout = ssid->mode == WPAS_MODE_IBSS ? 20 : 10; |
1d3c75b3 | 2367 | } |
6fc6879b JM |
2368 | wpa_supplicant_req_auth_timeout(wpa_s, timeout, 0); |
2369 | } | |
2370 | ||
66562e9c JM |
2371 | if (wep_keys_set && |
2372 | (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC)) { | |
6fc6879b JM |
2373 | /* Set static WEP keys again */ |
2374 | wpa_set_wep_keys(wpa_s, ssid); | |
2375 | } | |
2376 | ||
2377 | if (wpa_s->current_ssid && wpa_s->current_ssid != ssid) { | |
2378 | /* | |
2379 | * Do not allow EAP session resumption between different | |
2380 | * network configurations. | |
2381 | */ | |
2382 | eapol_sm_invalidate_cached_session(wpa_s->eapol); | |
2383 | } | |
8bac466b | 2384 | old_ssid = wpa_s->current_ssid; |
6fc6879b | 2385 | wpa_s->current_ssid = ssid; |
8f770587 | 2386 | wpa_s->current_bss = bss; |
6fc6879b JM |
2387 | wpa_supplicant_rsn_supp_set_config(wpa_s, wpa_s->current_ssid); |
2388 | wpa_supplicant_initiate_eapol(wpa_s); | |
8bac466b JM |
2389 | if (old_ssid != wpa_s->current_ssid) |
2390 | wpas_notify_network_changed(wpa_s); | |
6fc6879b JM |
2391 | } |
2392 | ||
2393 | ||
09f58c09 JM |
2394 | static void wpa_supplicant_clear_connection(struct wpa_supplicant *wpa_s, |
2395 | const u8 *addr) | |
2396 | { | |
2397 | struct wpa_ssid *old_ssid; | |
2398 | ||
c155305f | 2399 | wpas_connect_work_done(wpa_s); |
09f58c09 | 2400 | wpa_clear_keys(wpa_s, addr); |
09f58c09 | 2401 | old_ssid = wpa_s->current_ssid; |
0d30cc24 | 2402 | wpa_supplicant_mark_disassoc(wpa_s); |
09f58c09 JM |
2403 | wpa_sm_set_config(wpa_s->wpa, NULL); |
2404 | eapol_sm_notify_config(wpa_s->eapol, NULL, NULL); | |
2405 | if (old_ssid != wpa_s->current_ssid) | |
2406 | wpas_notify_network_changed(wpa_s); | |
2407 | eloop_cancel_timeout(wpa_supplicant_timeout, wpa_s, NULL); | |
2408 | } | |
2409 | ||
2410 | ||
6fc6879b JM |
2411 | /** |
2412 | * wpa_supplicant_deauthenticate - Deauthenticate the current connection | |
2413 | * @wpa_s: Pointer to wpa_supplicant data | |
2414 | * @reason_code: IEEE 802.11 reason code for the deauthenticate frame | |
2415 | * | |
073ab58f | 2416 | * This function is used to request %wpa_supplicant to deauthenticate from the |
6fc6879b JM |
2417 | * current AP. |
2418 | */ | |
2419 | void wpa_supplicant_deauthenticate(struct wpa_supplicant *wpa_s, | |
2420 | int reason_code) | |
2421 | { | |
2422 | u8 *addr = NULL; | |
ef48ff94 | 2423 | union wpa_event_data event; |
42d23547 | 2424 | int zero_addr = 0; |
8bac466b | 2425 | |
42d23547 JM |
2426 | wpa_dbg(wpa_s, MSG_DEBUG, "Request to deauthenticate - bssid=" MACSTR |
2427 | " pending_bssid=" MACSTR " reason=%d state=%s", | |
2428 | MAC2STR(wpa_s->bssid), MAC2STR(wpa_s->pending_bssid), | |
2429 | reason_code, wpa_supplicant_state_txt(wpa_s->wpa_state)); | |
2430 | ||
2431 | if (!is_zero_ether_addr(wpa_s->bssid)) | |
2432 | addr = wpa_s->bssid; | |
2433 | else if (!is_zero_ether_addr(wpa_s->pending_bssid) && | |
2434 | (wpa_s->wpa_state == WPA_AUTHENTICATING || | |
2435 | wpa_s->wpa_state == WPA_ASSOCIATING)) | |
2436 | addr = wpa_s->pending_bssid; | |
2437 | else if (wpa_s->wpa_state == WPA_ASSOCIATING) { | |
2438 | /* | |
2439 | * When using driver-based BSS selection, we may not know the | |
2440 | * BSSID with which we are currently trying to associate. We | |
2441 | * need to notify the driver of this disconnection even in such | |
2442 | * a case, so use the all zeros address here. | |
2443 | */ | |
6fc6879b | 2444 | addr = wpa_s->bssid; |
42d23547 JM |
2445 | zero_addr = 1; |
2446 | } | |
2447 | ||
7b44ff2c SD |
2448 | #ifdef CONFIG_TDLS |
2449 | wpa_tdls_teardown_peers(wpa_s->wpa); | |
2450 | #endif /* CONFIG_TDLS */ | |
2451 | ||
603a3f34 JL |
2452 | #ifdef CONFIG_MESH |
2453 | if (wpa_s->ifmsh) { | |
2454 | wpa_msg_ctrl(wpa_s, MSG_INFO, MESH_GROUP_REMOVED "%s", | |
2455 | wpa_s->ifname); | |
2456 | wpa_supplicant_leave_mesh(wpa_s); | |
2457 | } | |
2458 | #endif /* CONFIG_MESH */ | |
2459 | ||
42d23547 JM |
2460 | if (addr) { |
2461 | wpa_drv_deauthenticate(wpa_s, addr, reason_code); | |
ef48ff94 JM |
2462 | os_memset(&event, 0, sizeof(event)); |
2463 | event.deauth_info.reason_code = (u16) reason_code; | |
2464 | event.deauth_info.locally_generated = 1; | |
2465 | wpa_supplicant_event(wpa_s, EVENT_DEAUTH, &event); | |
42d23547 JM |
2466 | if (zero_addr) |
2467 | addr = NULL; | |
6fc6879b | 2468 | } |
09f58c09 JM |
2469 | |
2470 | wpa_supplicant_clear_connection(wpa_s, addr); | |
6fc6879b JM |
2471 | } |
2472 | ||
dca1a511 DS |
2473 | static void wpa_supplicant_enable_one_network(struct wpa_supplicant *wpa_s, |
2474 | struct wpa_ssid *ssid) | |
2475 | { | |
2476 | if (!ssid || !ssid->disabled || ssid->disabled == 2) | |
2477 | return; | |
2478 | ||
2479 | ssid->disabled = 0; | |
2480 | wpas_clear_temp_disabled(wpa_s, ssid, 1); | |
2481 | wpas_notify_network_enabled_changed(wpa_s, ssid); | |
2482 | ||
2483 | /* | |
2484 | * Try to reassociate since there is no current configuration and a new | |
2485 | * network was made available. | |
2486 | */ | |
d2592497 | 2487 | if (!wpa_s->current_ssid && !wpa_s->disconnected) |
dca1a511 DS |
2488 | wpa_s->reassociate = 1; |
2489 | } | |
2490 | ||
6fc6879b | 2491 | |
86b89452 WS |
2492 | /** |
2493 | * wpa_supplicant_enable_network - Mark a configured network as enabled | |
2494 | * @wpa_s: wpa_supplicant structure for a network interface | |
2495 | * @ssid: wpa_ssid structure for a configured network or %NULL | |
2496 | * | |
2497 | * Enables the specified network or all networks if no network specified. | |
2498 | */ | |
2499 | void wpa_supplicant_enable_network(struct wpa_supplicant *wpa_s, | |
2500 | struct wpa_ssid *ssid) | |
2501 | { | |
86b89452 | 2502 | if (ssid == NULL) { |
14f79078 JM |
2503 | for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) |
2504 | wpa_supplicant_enable_one_network(wpa_s, ssid); | |
dca1a511 DS |
2505 | } else |
2506 | wpa_supplicant_enable_one_network(wpa_s, ssid); | |
86b89452 | 2507 | |
d2592497 | 2508 | if (wpa_s->reassociate && !wpa_s->disconnected) { |
dca1a511 DS |
2509 | if (wpa_s->sched_scanning) { |
2510 | wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to add " | |
2511 | "new network to scan filters"); | |
2512 | wpa_supplicant_cancel_sched_scan(wpa_s); | |
2513 | } | |
86b89452 | 2514 | |
dad153d1 JM |
2515 | if (wpa_supplicant_fast_associate(wpa_s) != 1) |
2516 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
86b89452 WS |
2517 | } |
2518 | } | |
2519 | ||
2520 | ||
2521 | /** | |
2522 | * wpa_supplicant_disable_network - Mark a configured network as disabled | |
2523 | * @wpa_s: wpa_supplicant structure for a network interface | |
2524 | * @ssid: wpa_ssid structure for a configured network or %NULL | |
2525 | * | |
2526 | * Disables the specified network or all networks if no network specified. | |
2527 | */ | |
2528 | void wpa_supplicant_disable_network(struct wpa_supplicant *wpa_s, | |
2529 | struct wpa_ssid *ssid) | |
2530 | { | |
2531 | struct wpa_ssid *other_ssid; | |
2532 | int was_disabled; | |
2533 | ||
2534 | if (ssid == NULL) { | |
725fc39e DS |
2535 | if (wpa_s->sched_scanning) |
2536 | wpa_supplicant_cancel_sched_scan(wpa_s); | |
2537 | ||
4dac0245 JM |
2538 | for (other_ssid = wpa_s->conf->ssid; other_ssid; |
2539 | other_ssid = other_ssid->next) { | |
86b89452 | 2540 | was_disabled = other_ssid->disabled; |
4dac0245 JM |
2541 | if (was_disabled == 2) |
2542 | continue; /* do not change persistent P2P group | |
2543 | * data */ | |
86b89452 WS |
2544 | |
2545 | other_ssid->disabled = 1; | |
2546 | ||
2547 | if (was_disabled != other_ssid->disabled) | |
2548 | wpas_notify_network_enabled_changed( | |
2549 | wpa_s, other_ssid); | |
86b89452 WS |
2550 | } |
2551 | if (wpa_s->current_ssid) | |
07783eaa | 2552 | wpa_supplicant_deauthenticate( |
86b89452 | 2553 | wpa_s, WLAN_REASON_DEAUTH_LEAVING); |
4dac0245 | 2554 | } else if (ssid->disabled != 2) { |
86b89452 | 2555 | if (ssid == wpa_s->current_ssid) |
07783eaa | 2556 | wpa_supplicant_deauthenticate( |
86b89452 WS |
2557 | wpa_s, WLAN_REASON_DEAUTH_LEAVING); |
2558 | ||
2559 | was_disabled = ssid->disabled; | |
2560 | ||
2561 | ssid->disabled = 1; | |
2562 | ||
725fc39e | 2563 | if (was_disabled != ssid->disabled) { |
86b89452 | 2564 | wpas_notify_network_enabled_changed(wpa_s, ssid); |
725fc39e DS |
2565 | if (wpa_s->sched_scanning) { |
2566 | wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan " | |
2567 | "to remove network from filters"); | |
2568 | wpa_supplicant_cancel_sched_scan(wpa_s); | |
2569 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
2570 | } | |
2571 | } | |
86b89452 WS |
2572 | } |
2573 | } | |
2574 | ||
2575 | ||
2576 | /** | |
2577 | * wpa_supplicant_select_network - Attempt association with a network | |
2578 | * @wpa_s: wpa_supplicant structure for a network interface | |
2579 | * @ssid: wpa_ssid structure for a configured network or %NULL for any network | |
2580 | */ | |
2581 | void wpa_supplicant_select_network(struct wpa_supplicant *wpa_s, | |
2582 | struct wpa_ssid *ssid) | |
2583 | { | |
2584 | ||
2585 | struct wpa_ssid *other_ssid; | |
d93dfbd5 | 2586 | int disconnected = 0; |
86b89452 | 2587 | |
d93dfbd5 | 2588 | if (ssid && ssid != wpa_s->current_ssid && wpa_s->current_ssid) { |
c2805909 | 2589 | wpa_s->own_disconnect_req = 1; |
07783eaa | 2590 | wpa_supplicant_deauthenticate( |
86b89452 | 2591 | wpa_s, WLAN_REASON_DEAUTH_LEAVING); |
d93dfbd5 JM |
2592 | disconnected = 1; |
2593 | } | |
86b89452 | 2594 | |
00e5e3d5 JM |
2595 | if (ssid) |
2596 | wpas_clear_temp_disabled(wpa_s, ssid, 1); | |
2597 | ||
86b89452 WS |
2598 | /* |
2599 | * Mark all other networks disabled or mark all networks enabled if no | |
2600 | * network specified. | |
2601 | */ | |
4dac0245 JM |
2602 | for (other_ssid = wpa_s->conf->ssid; other_ssid; |
2603 | other_ssid = other_ssid->next) { | |
86b89452 | 2604 | int was_disabled = other_ssid->disabled; |
4dac0245 JM |
2605 | if (was_disabled == 2) |
2606 | continue; /* do not change persistent P2P group data */ | |
86b89452 WS |
2607 | |
2608 | other_ssid->disabled = ssid ? (ssid->id != other_ssid->id) : 0; | |
00e5e3d5 JM |
2609 | if (was_disabled && !other_ssid->disabled) |
2610 | wpas_clear_temp_disabled(wpa_s, other_ssid, 0); | |
86b89452 WS |
2611 | |
2612 | if (was_disabled != other_ssid->disabled) | |
2613 | wpas_notify_network_enabled_changed(wpa_s, other_ssid); | |
86b89452 | 2614 | } |
2a6f78fb JJ |
2615 | |
2616 | if (ssid && ssid == wpa_s->current_ssid && wpa_s->current_ssid) { | |
2617 | /* We are already associated with the selected network */ | |
2618 | wpa_printf(MSG_DEBUG, "Already associated with the " | |
2619 | "selected network - do nothing"); | |
2620 | return; | |
2621 | } | |
2622 | ||
25a8f9e3 | 2623 | if (ssid) { |
96efeeb6 | 2624 | wpa_s->current_ssid = ssid; |
25a8f9e3 | 2625 | eapol_sm_notify_config(wpa_s->eapol, NULL, NULL); |
603a3f34 JL |
2626 | wpa_s->connect_without_scan = |
2627 | (ssid->mode == WPAS_MODE_MESH) ? ssid : NULL; | |
2628 | } else { | |
2629 | wpa_s->connect_without_scan = NULL; | |
25a8f9e3 | 2630 | } |
603a3f34 | 2631 | |
86b89452 WS |
2632 | wpa_s->disconnected = 0; |
2633 | wpa_s->reassociate = 1; | |
cecdddc1 | 2634 | |
e4a35f07 JM |
2635 | if (wpa_s->connect_without_scan || |
2636 | wpa_supplicant_fast_associate(wpa_s) != 1) | |
cecdddc1 | 2637 | wpa_supplicant_req_scan(wpa_s, 0, disconnected ? 100000 : 0); |
86b89452 | 2638 | |
a1641d26 JM |
2639 | if (ssid) |
2640 | wpas_notify_network_selected(wpa_s, ssid); | |
86b89452 WS |
2641 | } |
2642 | ||
2643 | ||
bdec7ee5 MS |
2644 | /** |
2645 | * wpas_set_pkcs11_engine_and_module_path - Set PKCS #11 engine and module path | |
2646 | * @wpa_s: wpa_supplicant structure for a network interface | |
2647 | * @pkcs11_engine_path: PKCS #11 engine path or NULL | |
2648 | * @pkcs11_module_path: PKCS #11 module path or NULL | |
2649 | * Returns: 0 on success; -1 on failure | |
2650 | * | |
2651 | * Sets the PKCS #11 engine and module path. Both have to be NULL or a valid | |
2652 | * path. If resetting the EAPOL state machine with the new PKCS #11 engine and | |
2653 | * module path fails the paths will be reset to the default value (NULL). | |
2654 | */ | |
2655 | int wpas_set_pkcs11_engine_and_module_path(struct wpa_supplicant *wpa_s, | |
2656 | const char *pkcs11_engine_path, | |
2657 | const char *pkcs11_module_path) | |
2658 | { | |
2659 | char *pkcs11_engine_path_copy = NULL; | |
2660 | char *pkcs11_module_path_copy = NULL; | |
2661 | ||
2662 | if (pkcs11_engine_path != NULL) { | |
2663 | pkcs11_engine_path_copy = os_strdup(pkcs11_engine_path); | |
2664 | if (pkcs11_engine_path_copy == NULL) | |
2665 | return -1; | |
2666 | } | |
2667 | if (pkcs11_module_path != NULL) { | |
2668 | pkcs11_module_path_copy = os_strdup(pkcs11_module_path); | |
04c366cb | 2669 | if (pkcs11_module_path_copy == NULL) { |
bdec7ee5 MS |
2670 | os_free(pkcs11_engine_path_copy); |
2671 | return -1; | |
2672 | } | |
2673 | } | |
2674 | ||
2675 | os_free(wpa_s->conf->pkcs11_engine_path); | |
2676 | os_free(wpa_s->conf->pkcs11_module_path); | |
2677 | wpa_s->conf->pkcs11_engine_path = pkcs11_engine_path_copy; | |
2678 | wpa_s->conf->pkcs11_module_path = pkcs11_module_path_copy; | |
2679 | ||
2680 | wpa_sm_set_eapol(wpa_s->wpa, NULL); | |
2681 | eapol_sm_deinit(wpa_s->eapol); | |
2682 | wpa_s->eapol = NULL; | |
2683 | if (wpa_supplicant_init_eapol(wpa_s)) { | |
2684 | /* Error -> Reset paths to the default value (NULL) once. */ | |
2685 | if (pkcs11_engine_path != NULL && pkcs11_module_path != NULL) | |
2686 | wpas_set_pkcs11_engine_and_module_path(wpa_s, NULL, | |
2687 | NULL); | |
2688 | ||
2689 | return -1; | |
2690 | } | |
2691 | wpa_sm_set_eapol(wpa_s->wpa, wpa_s->eapol); | |
2692 | ||
2693 | return 0; | |
2694 | } | |
2695 | ||
2696 | ||
86b89452 WS |
2697 | /** |
2698 | * wpa_supplicant_set_ap_scan - Set AP scan mode for interface | |
2699 | * @wpa_s: wpa_supplicant structure for a network interface | |
2700 | * @ap_scan: AP scan mode | |
2701 | * Returns: 0 if succeed or -1 if ap_scan has an invalid value | |
2702 | * | |
2703 | */ | |
2704 | int wpa_supplicant_set_ap_scan(struct wpa_supplicant *wpa_s, int ap_scan) | |
2705 | { | |
2706 | ||
2707 | int old_ap_scan; | |
2708 | ||
2709 | if (ap_scan < 0 || ap_scan > 2) | |
2710 | return -1; | |
2711 | ||
48f8e036 DS |
2712 | #ifdef ANDROID |
2713 | if (ap_scan == 2 && ap_scan != wpa_s->conf->ap_scan && | |
2714 | wpa_s->wpa_state >= WPA_ASSOCIATING && | |
2715 | wpa_s->wpa_state < WPA_COMPLETED) { | |
2716 | wpa_printf(MSG_ERROR, "ap_scan = %d (%d) rejected while " | |
2717 | "associating", wpa_s->conf->ap_scan, ap_scan); | |
2718 | return 0; | |
2719 | } | |
2720 | #endif /* ANDROID */ | |
2721 | ||
86b89452 WS |
2722 | old_ap_scan = wpa_s->conf->ap_scan; |
2723 | wpa_s->conf->ap_scan = ap_scan; | |
2724 | ||
2725 | if (old_ap_scan != wpa_s->conf->ap_scan) | |
2726 | wpas_notify_ap_scan_changed(wpa_s); | |
2727 | ||
2728 | return 0; | |
2729 | } | |
2730 | ||
2731 | ||
78633c37 SL |
2732 | /** |
2733 | * wpa_supplicant_set_bss_expiration_age - Set BSS entry expiration age | |
2734 | * @wpa_s: wpa_supplicant structure for a network interface | |
2735 | * @expire_age: Expiration age in seconds | |
2736 | * Returns: 0 if succeed or -1 if expire_age has an invalid value | |
2737 | * | |
2738 | */ | |
2739 | int wpa_supplicant_set_bss_expiration_age(struct wpa_supplicant *wpa_s, | |
2740 | unsigned int bss_expire_age) | |
2741 | { | |
2742 | if (bss_expire_age < 10) { | |
2743 | wpa_msg(wpa_s, MSG_ERROR, "Invalid bss expiration age %u", | |
2744 | bss_expire_age); | |
2745 | return -1; | |
2746 | } | |
2747 | wpa_msg(wpa_s, MSG_DEBUG, "Setting bss expiration age: %d sec", | |
2748 | bss_expire_age); | |
2749 | wpa_s->conf->bss_expiration_age = bss_expire_age; | |
2750 | ||
2751 | return 0; | |
2752 | } | |
2753 | ||
2754 | ||
2755 | /** | |
2756 | * wpa_supplicant_set_bss_expiration_count - Set BSS entry expiration scan count | |
2757 | * @wpa_s: wpa_supplicant structure for a network interface | |
2758 | * @expire_count: number of scans after which an unseen BSS is reclaimed | |
2759 | * Returns: 0 if succeed or -1 if expire_count has an invalid value | |
2760 | * | |
2761 | */ | |
2762 | int wpa_supplicant_set_bss_expiration_count(struct wpa_supplicant *wpa_s, | |
2763 | unsigned int bss_expire_count) | |
2764 | { | |
2765 | if (bss_expire_count < 1) { | |
2766 | wpa_msg(wpa_s, MSG_ERROR, "Invalid bss expiration count %u", | |
2767 | bss_expire_count); | |
2768 | return -1; | |
2769 | } | |
2770 | wpa_msg(wpa_s, MSG_DEBUG, "Setting bss expiration scan count: %u", | |
2771 | bss_expire_count); | |
2772 | wpa_s->conf->bss_expiration_scan_count = bss_expire_count; | |
2773 | ||
2774 | return 0; | |
2775 | } | |
2776 | ||
2777 | ||
c6e86b63 MA |
2778 | /** |
2779 | * wpa_supplicant_set_scan_interval - Set scan interval | |
2780 | * @wpa_s: wpa_supplicant structure for a network interface | |
2781 | * @scan_interval: scan interval in seconds | |
2782 | * Returns: 0 if succeed or -1 if scan_interval has an invalid value | |
2783 | * | |
2784 | */ | |
2785 | int wpa_supplicant_set_scan_interval(struct wpa_supplicant *wpa_s, | |
2786 | int scan_interval) | |
2787 | { | |
2788 | if (scan_interval < 0) { | |
2789 | wpa_msg(wpa_s, MSG_ERROR, "Invalid scan interval %d", | |
2790 | scan_interval); | |
2791 | return -1; | |
2792 | } | |
2793 | wpa_msg(wpa_s, MSG_DEBUG, "Setting scan interval: %d sec", | |
2794 | scan_interval); | |
9e737f08 | 2795 | wpa_supplicant_update_scan_int(wpa_s, scan_interval); |
c6e86b63 MA |
2796 | |
2797 | return 0; | |
2798 | } | |
2799 | ||
2800 | ||
86b89452 WS |
2801 | /** |
2802 | * wpa_supplicant_set_debug_params - Set global debug params | |
2803 | * @global: wpa_global structure | |
2804 | * @debug_level: debug level | |
2805 | * @debug_timestamp: determines if show timestamp in debug data | |
2806 | * @debug_show_keys: determines if show keys in debug data | |
2807 | * Returns: 0 if succeed or -1 if debug_level has wrong value | |
2808 | */ | |
2809 | int wpa_supplicant_set_debug_params(struct wpa_global *global, int debug_level, | |
2810 | int debug_timestamp, int debug_show_keys) | |
2811 | { | |
2812 | ||
2813 | int old_level, old_timestamp, old_show_keys; | |
2814 | ||
2815 | /* check for allowed debuglevels */ | |
14dc0011 PS |
2816 | if (debug_level != MSG_EXCESSIVE && |
2817 | debug_level != MSG_MSGDUMP && | |
86b89452 WS |
2818 | debug_level != MSG_DEBUG && |
2819 | debug_level != MSG_INFO && | |
2820 | debug_level != MSG_WARNING && | |
2821 | debug_level != MSG_ERROR) | |
2822 | return -1; | |
2823 | ||
2824 | old_level = wpa_debug_level; | |
2825 | old_timestamp = wpa_debug_timestamp; | |
2826 | old_show_keys = wpa_debug_show_keys; | |
2827 | ||
2828 | wpa_debug_level = debug_level; | |
2829 | wpa_debug_timestamp = debug_timestamp ? 1 : 0; | |
2830 | wpa_debug_show_keys = debug_show_keys ? 1 : 0; | |
2831 | ||
db9133ac WS |
2832 | if (wpa_debug_level != old_level) |
2833 | wpas_notify_debug_level_changed(global); | |
2834 | if (wpa_debug_timestamp != old_timestamp) | |
2835 | wpas_notify_debug_timestamp_changed(global); | |
2836 | if (wpa_debug_show_keys != old_show_keys) | |
2837 | wpas_notify_debug_show_keys_changed(global); | |
86b89452 WS |
2838 | |
2839 | return 0; | |
2840 | } | |
2841 | ||
2842 | ||
6fc6879b JM |
2843 | /** |
2844 | * wpa_supplicant_get_ssid - Get a pointer to the current network structure | |
2845 | * @wpa_s: Pointer to wpa_supplicant data | |
2846 | * Returns: A pointer to the current network structure or %NULL on failure | |
2847 | */ | |
2848 | struct wpa_ssid * wpa_supplicant_get_ssid(struct wpa_supplicant *wpa_s) | |
2849 | { | |
2850 | struct wpa_ssid *entry; | |
2851 | u8 ssid[MAX_SSID_LEN]; | |
2852 | int res; | |
2853 | size_t ssid_len; | |
2854 | u8 bssid[ETH_ALEN]; | |
2855 | int wired; | |
2856 | ||
17fbb751 JM |
2857 | res = wpa_drv_get_ssid(wpa_s, ssid); |
2858 | if (res < 0) { | |
2859 | wpa_msg(wpa_s, MSG_WARNING, "Could not read SSID from " | |
2860 | "driver"); | |
2861 | return NULL; | |
6fc6879b | 2862 | } |
17fbb751 | 2863 | ssid_len = res; |
6fc6879b | 2864 | |
17fbb751 | 2865 | if (wpa_drv_get_bssid(wpa_s, bssid) < 0) { |
f049052b BG |
2866 | wpa_msg(wpa_s, MSG_WARNING, "Could not read BSSID from " |
2867 | "driver"); | |
6fc6879b JM |
2868 | return NULL; |
2869 | } | |
2870 | ||
c2a04078 JM |
2871 | wired = wpa_s->conf->ap_scan == 0 && |
2872 | (wpa_s->drv_flags & WPA_DRIVER_FLAGS_WIRED); | |
6fc6879b JM |
2873 | |
2874 | entry = wpa_s->conf->ssid; | |
2875 | while (entry) { | |
349493bd | 2876 | if (!wpas_network_disabled(wpa_s, entry) && |
6fc6879b JM |
2877 | ((ssid_len == entry->ssid_len && |
2878 | os_memcmp(ssid, entry->ssid, ssid_len) == 0) || wired) && | |
2879 | (!entry->bssid_set || | |
2880 | os_memcmp(bssid, entry->bssid, ETH_ALEN) == 0)) | |
2881 | return entry; | |
24c23d1b | 2882 | #ifdef CONFIG_WPS |
349493bd | 2883 | if (!wpas_network_disabled(wpa_s, entry) && |
24c23d1b JM |
2884 | (entry->key_mgmt & WPA_KEY_MGMT_WPS) && |
2885 | (entry->ssid == NULL || entry->ssid_len == 0) && | |
2886 | (!entry->bssid_set || | |
2887 | os_memcmp(bssid, entry->bssid, ETH_ALEN) == 0)) | |
2888 | return entry; | |
2889 | #endif /* CONFIG_WPS */ | |
7d232e23 | 2890 | |
349493bd | 2891 | if (!wpas_network_disabled(wpa_s, entry) && entry->bssid_set && |
7d232e23 ZC |
2892 | entry->ssid_len == 0 && |
2893 | os_memcmp(bssid, entry->bssid, ETH_ALEN) == 0) | |
2894 | return entry; | |
2895 | ||
6fc6879b JM |
2896 | entry = entry->next; |
2897 | } | |
2898 | ||
2899 | return NULL; | |
2900 | } | |
2901 | ||
2902 | ||
7756114f JM |
2903 | static int select_driver(struct wpa_supplicant *wpa_s, int i) |
2904 | { | |
2905 | struct wpa_global *global = wpa_s->global; | |
2906 | ||
2907 | if (wpa_drivers[i]->global_init && global->drv_priv[i] == NULL) { | |
2908 | global->drv_priv[i] = wpa_drivers[i]->global_init(); | |
2909 | if (global->drv_priv[i] == NULL) { | |
2910 | wpa_printf(MSG_ERROR, "Failed to initialize driver " | |
2911 | "'%s'", wpa_drivers[i]->name); | |
2912 | return -1; | |
2913 | } | |
2914 | } | |
2915 | ||
2916 | wpa_s->driver = wpa_drivers[i]; | |
2917 | wpa_s->global_drv_priv = global->drv_priv[i]; | |
2918 | ||
2919 | return 0; | |
2920 | } | |
2921 | ||
2922 | ||
6fc6879b JM |
2923 | static int wpa_supplicant_set_driver(struct wpa_supplicant *wpa_s, |
2924 | const char *name) | |
2925 | { | |
2926 | int i; | |
362f781e | 2927 | size_t len; |
74b1c84a | 2928 | const char *pos, *driver = name; |
6fc6879b JM |
2929 | |
2930 | if (wpa_s == NULL) | |
2931 | return -1; | |
2932 | ||
c5121837 | 2933 | if (wpa_drivers[0] == NULL) { |
f049052b BG |
2934 | wpa_msg(wpa_s, MSG_ERROR, "No driver interfaces build into " |
2935 | "wpa_supplicant"); | |
6fc6879b JM |
2936 | return -1; |
2937 | } | |
2938 | ||
2939 | if (name == NULL) { | |
2940 | /* default to first driver in the list */ | |
7756114f | 2941 | return select_driver(wpa_s, 0); |
6fc6879b JM |
2942 | } |
2943 | ||
74b1c84a SO |
2944 | do { |
2945 | pos = os_strchr(driver, ','); | |
2946 | if (pos) | |
2947 | len = pos - driver; | |
2948 | else | |
2949 | len = os_strlen(driver); | |
2950 | ||
2951 | for (i = 0; wpa_drivers[i]; i++) { | |
2952 | if (os_strlen(wpa_drivers[i]->name) == len && | |
2953 | os_strncmp(driver, wpa_drivers[i]->name, len) == | |
0f4668ce DW |
2954 | 0) { |
2955 | /* First driver that succeeds wins */ | |
2956 | if (select_driver(wpa_s, i) == 0) | |
2957 | return 0; | |
2958 | } | |
6fc6879b | 2959 | } |
74b1c84a SO |
2960 | |
2961 | driver = pos + 1; | |
2962 | } while (pos); | |
6fc6879b | 2963 | |
f049052b | 2964 | wpa_msg(wpa_s, MSG_ERROR, "Unsupported driver '%s'", name); |
6fc6879b JM |
2965 | return -1; |
2966 | } | |
2967 | ||
2968 | ||
a8e0505b JM |
2969 | /** |
2970 | * wpa_supplicant_rx_eapol - Deliver a received EAPOL frame to wpa_supplicant | |
2971 | * @ctx: Context pointer (wpa_s); this is the ctx variable registered | |
2972 | * with struct wpa_driver_ops::init() | |
2973 | * @src_addr: Source address of the EAPOL frame | |
2974 | * @buf: EAPOL data starting from the EAPOL header (i.e., no Ethernet header) | |
2975 | * @len: Length of the EAPOL data | |
2976 | * | |
2977 | * This function is called for each received EAPOL frame. Most driver | |
2978 | * interfaces rely on more generic OS mechanism for receiving frames through | |
2979 | * l2_packet, but if such a mechanism is not available, the driver wrapper may | |
2980 | * take care of received EAPOL frames and deliver them to the core supplicant | |
2981 | * code by calling this function. | |
2982 | */ | |
6fc6879b JM |
2983 | void wpa_supplicant_rx_eapol(void *ctx, const u8 *src_addr, |
2984 | const u8 *buf, size_t len) | |
2985 | { | |
2986 | struct wpa_supplicant *wpa_s = ctx; | |
2987 | ||
f049052b | 2988 | wpa_dbg(wpa_s, MSG_DEBUG, "RX EAPOL from " MACSTR, MAC2STR(src_addr)); |
6fc6879b JM |
2989 | wpa_hexdump(MSG_MSGDUMP, "RX EAPOL", buf, len); |
2990 | ||
db76aa64 JM |
2991 | #ifdef CONFIG_PEERKEY |
2992 | if (wpa_s->wpa_state > WPA_ASSOCIATED && wpa_s->current_ssid && | |
2993 | wpa_s->current_ssid->peerkey && | |
2994 | !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) && | |
2995 | wpa_sm_rx_eapol_peerkey(wpa_s->wpa, src_addr, buf, len) == 1) { | |
2996 | wpa_dbg(wpa_s, MSG_DEBUG, "RSN: Processed PeerKey EAPOL-Key"); | |
2997 | return; | |
2998 | } | |
2999 | #endif /* CONFIG_PEERKEY */ | |
3000 | ||
3ab35a66 JM |
3001 | if (wpa_s->wpa_state < WPA_ASSOCIATED || |
3002 | (wpa_s->last_eapol_matches_bssid && | |
3003 | #ifdef CONFIG_AP | |
3004 | !wpa_s->ap_iface && | |
3005 | #endif /* CONFIG_AP */ | |
3006 | os_memcmp(src_addr, wpa_s->bssid, ETH_ALEN) != 0)) { | |
1ff73338 JM |
3007 | /* |
3008 | * There is possible race condition between receiving the | |
3009 | * association event and the EAPOL frame since they are coming | |
3010 | * through different paths from the driver. In order to avoid | |
3011 | * issues in trying to process the EAPOL frame before receiving | |
3012 | * association information, lets queue it for processing until | |
3ab35a66 JM |
3013 | * the association event is received. This may also be needed in |
3014 | * driver-based roaming case, so also use src_addr != BSSID as a | |
3015 | * trigger if we have previously confirmed that the | |
3016 | * Authenticator uses BSSID as the src_addr (which is not the | |
3017 | * case with wired IEEE 802.1X). | |
1ff73338 | 3018 | */ |
f049052b | 3019 | wpa_dbg(wpa_s, MSG_DEBUG, "Not associated - Delay processing " |
3ab35a66 JM |
3020 | "of received EAPOL frame (state=%s bssid=" MACSTR ")", |
3021 | wpa_supplicant_state_txt(wpa_s->wpa_state), | |
3022 | MAC2STR(wpa_s->bssid)); | |
1ff73338 JM |
3023 | wpabuf_free(wpa_s->pending_eapol_rx); |
3024 | wpa_s->pending_eapol_rx = wpabuf_alloc_copy(buf, len); | |
3025 | if (wpa_s->pending_eapol_rx) { | |
c2be937c | 3026 | os_get_reltime(&wpa_s->pending_eapol_rx_time); |
1ff73338 JM |
3027 | os_memcpy(wpa_s->pending_eapol_rx_src, src_addr, |
3028 | ETH_ALEN); | |
3029 | } | |
3030 | return; | |
3031 | } | |
3032 | ||
3ab35a66 JM |
3033 | wpa_s->last_eapol_matches_bssid = |
3034 | os_memcmp(src_addr, wpa_s->bssid, ETH_ALEN) == 0; | |
3035 | ||
db149ac9 JM |
3036 | #ifdef CONFIG_AP |
3037 | if (wpa_s->ap_iface) { | |
3038 | wpa_supplicant_ap_rx_eapol(wpa_s, src_addr, buf, len); | |
3039 | return; | |
3040 | } | |
3041 | #endif /* CONFIG_AP */ | |
3042 | ||
6fc6879b | 3043 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE) { |
f049052b BG |
3044 | wpa_dbg(wpa_s, MSG_DEBUG, "Ignored received EAPOL frame since " |
3045 | "no key management is configured"); | |
6fc6879b JM |
3046 | return; |
3047 | } | |
3048 | ||
3049 | if (wpa_s->eapol_received == 0 && | |
c2a04078 | 3050 | (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) || |
56586197 | 3051 | !wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) || |
9c972abb JM |
3052 | wpa_s->wpa_state != WPA_COMPLETED) && |
3053 | (wpa_s->current_ssid == NULL || | |
3054 | wpa_s->current_ssid->mode != IEEE80211_MODE_IBSS)) { | |
6fc6879b JM |
3055 | /* Timeout for completing IEEE 802.1X and WPA authentication */ |
3056 | wpa_supplicant_req_auth_timeout( | |
3057 | wpa_s, | |
56586197 | 3058 | (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) || |
a6f06dab AT |
3059 | wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA || |
3060 | wpa_s->key_mgmt == WPA_KEY_MGMT_WPS) ? | |
6fc6879b JM |
3061 | 70 : 10, 0); |
3062 | } | |
3063 | wpa_s->eapol_received++; | |
3064 | ||
3065 | if (wpa_s->countermeasures) { | |
f049052b BG |
3066 | wpa_msg(wpa_s, MSG_INFO, "WPA: Countermeasures - dropped " |
3067 | "EAPOL packet"); | |
6fc6879b JM |
3068 | return; |
3069 | } | |
3070 | ||
8be18440 JM |
3071 | #ifdef CONFIG_IBSS_RSN |
3072 | if (wpa_s->current_ssid && | |
d7dcba70 | 3073 | wpa_s->current_ssid->mode == WPAS_MODE_IBSS) { |
8be18440 JM |
3074 | ibss_rsn_rx_eapol(wpa_s->ibss_rsn, src_addr, buf, len); |
3075 | return; | |
3076 | } | |
3077 | #endif /* CONFIG_IBSS_RSN */ | |
3078 | ||
6fc6879b JM |
3079 | /* Source address of the incoming EAPOL frame could be compared to the |
3080 | * current BSSID. However, it is possible that a centralized | |
3081 | * Authenticator could be using another MAC address than the BSSID of | |
3082 | * an AP, so just allow any address to be used for now. The replies are | |
3083 | * still sent to the current BSSID (if available), though. */ | |
3084 | ||
3085 | os_memcpy(wpa_s->last_eapol_src, src_addr, ETH_ALEN); | |
56586197 | 3086 | if (!wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) && |
6fc6879b JM |
3087 | eapol_sm_rx_eapol(wpa_s->eapol, src_addr, buf, len) > 0) |
3088 | return; | |
3089 | wpa_drv_poll(wpa_s); | |
c2a04078 | 3090 | if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE)) |
6fc6879b | 3091 | wpa_sm_rx_eapol(wpa_s->wpa, src_addr, buf, len); |
56586197 | 3092 | else if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) { |
6fc6879b JM |
3093 | /* |
3094 | * Set portValid = TRUE here since we are going to skip 4-way | |
3095 | * handshake processing which would normally set portValid. We | |
3096 | * need this to allow the EAPOL state machines to be completed | |
3097 | * without going through EAPOL-Key handshake. | |
3098 | */ | |
3099 | eapol_sm_notify_portValid(wpa_s->eapol, TRUE); | |
3100 | } | |
3101 | } | |
3102 | ||
3103 | ||
bfba8deb | 3104 | int wpa_supplicant_update_mac_addr(struct wpa_supplicant *wpa_s) |
6fc6879b | 3105 | { |
2961bfa8 JM |
3106 | if ((!wpa_s->p2p_mgmt || |
3107 | !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)) && | |
3108 | !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE)) { | |
bfba8deb | 3109 | l2_packet_deinit(wpa_s->l2); |
6fc6879b JM |
3110 | wpa_s->l2 = l2_packet_init(wpa_s->ifname, |
3111 | wpa_drv_get_mac_addr(wpa_s), | |
3112 | ETH_P_EAPOL, | |
3113 | wpa_supplicant_rx_eapol, wpa_s, 0); | |
3114 | if (wpa_s->l2 == NULL) | |
3115 | return -1; | |
fdadd5fe JM |
3116 | } else { |
3117 | const u8 *addr = wpa_drv_get_mac_addr(wpa_s); | |
3118 | if (addr) | |
3119 | os_memcpy(wpa_s->own_addr, addr, ETH_ALEN); | |
6fc6879b JM |
3120 | } |
3121 | ||
3122 | if (wpa_s->l2 && l2_packet_get_own_addr(wpa_s->l2, wpa_s->own_addr)) { | |
f049052b | 3123 | wpa_msg(wpa_s, MSG_ERROR, "Failed to get own L2 address"); |
6fc6879b JM |
3124 | return -1; |
3125 | } | |
3126 | ||
c267753b JM |
3127 | wpa_sm_set_own_addr(wpa_s->wpa, wpa_s->own_addr); |
3128 | ||
bfba8deb JM |
3129 | return 0; |
3130 | } | |
3131 | ||
3132 | ||
25f839c6 JM |
3133 | static void wpa_supplicant_rx_eapol_bridge(void *ctx, const u8 *src_addr, |
3134 | const u8 *buf, size_t len) | |
3135 | { | |
3136 | struct wpa_supplicant *wpa_s = ctx; | |
3137 | const struct l2_ethhdr *eth; | |
3138 | ||
3139 | if (len < sizeof(*eth)) | |
3140 | return; | |
3141 | eth = (const struct l2_ethhdr *) buf; | |
3142 | ||
3143 | if (os_memcmp(eth->h_dest, wpa_s->own_addr, ETH_ALEN) != 0 && | |
3144 | !(eth->h_dest[0] & 0x01)) { | |
3145 | wpa_dbg(wpa_s, MSG_DEBUG, "RX EAPOL from " MACSTR " to " MACSTR | |
3146 | " (bridge - not for this interface - ignore)", | |
3147 | MAC2STR(src_addr), MAC2STR(eth->h_dest)); | |
3148 | return; | |
3149 | } | |
3150 | ||
3151 | wpa_dbg(wpa_s, MSG_DEBUG, "RX EAPOL from " MACSTR " to " MACSTR | |
3152 | " (bridge)", MAC2STR(src_addr), MAC2STR(eth->h_dest)); | |
3153 | wpa_supplicant_rx_eapol(wpa_s, src_addr, buf + sizeof(*eth), | |
3154 | len - sizeof(*eth)); | |
3155 | } | |
3156 | ||
3157 | ||
bfba8deb JM |
3158 | /** |
3159 | * wpa_supplicant_driver_init - Initialize driver interface parameters | |
3160 | * @wpa_s: Pointer to wpa_supplicant data | |
3161 | * Returns: 0 on success, -1 on failure | |
3162 | * | |
3163 | * This function is called to initialize driver interface parameters. | |
3164 | * wpa_drv_init() must have been called before this function to initialize the | |
3165 | * driver interface. | |
3166 | */ | |
3167 | int wpa_supplicant_driver_init(struct wpa_supplicant *wpa_s) | |
3168 | { | |
3169 | static int interface_count = 0; | |
3170 | ||
3171 | if (wpa_supplicant_update_mac_addr(wpa_s) < 0) | |
3172 | return -1; | |
3173 | ||
c68f6200 AS |
3174 | wpa_dbg(wpa_s, MSG_DEBUG, "Own MAC address: " MACSTR, |
3175 | MAC2STR(wpa_s->own_addr)); | |
a313d17d | 3176 | os_memcpy(wpa_s->perm_addr, wpa_s->own_addr, ETH_ALEN); |
c68f6200 AS |
3177 | wpa_sm_set_own_addr(wpa_s->wpa, wpa_s->own_addr); |
3178 | ||
6fc6879b | 3179 | if (wpa_s->bridge_ifname[0]) { |
f049052b BG |
3180 | wpa_dbg(wpa_s, MSG_DEBUG, "Receiving packets from bridge " |
3181 | "interface '%s'", wpa_s->bridge_ifname); | |
e6dd8196 JM |
3182 | wpa_s->l2_br = l2_packet_init_bridge( |
3183 | wpa_s->bridge_ifname, wpa_s->ifname, wpa_s->own_addr, | |
3184 | ETH_P_EAPOL, wpa_supplicant_rx_eapol_bridge, wpa_s, 1); | |
6fc6879b | 3185 | if (wpa_s->l2_br == NULL) { |
f049052b BG |
3186 | wpa_msg(wpa_s, MSG_ERROR, "Failed to open l2_packet " |
3187 | "connection for the bridge interface '%s'", | |
3188 | wpa_s->bridge_ifname); | |
6fc6879b JM |
3189 | return -1; |
3190 | } | |
3191 | } | |
3192 | ||
6fc6879b JM |
3193 | wpa_clear_keys(wpa_s, NULL); |
3194 | ||
3195 | /* Make sure that TKIP countermeasures are not left enabled (could | |
3196 | * happen if wpa_supplicant is killed during countermeasures. */ | |
3197 | wpa_drv_set_countermeasures(wpa_s, 0); | |
3198 | ||
f049052b | 3199 | wpa_dbg(wpa_s, MSG_DEBUG, "RSN: flushing PMKID list in the driver"); |
6fc6879b JM |
3200 | wpa_drv_flush_pmkid(wpa_s); |
3201 | ||
ba2a573c | 3202 | wpa_s->prev_scan_ssid = WILDCARD_SSID_SCAN; |
b3aa456b ES |
3203 | wpa_s->prev_scan_wildcard = 0; |
3204 | ||
349493bd | 3205 | if (wpa_supplicant_enabled_networks(wpa_s)) { |
a0e9d892 AS |
3206 | if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) { |
3207 | wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); | |
3208 | interface_count = 0; | |
3209 | } | |
ee82e33d | 3210 | #ifndef ANDROID |
3a94adbf | 3211 | if (!wpa_s->p2p_mgmt && |
5d0d72a3 BG |
3212 | wpa_supplicant_delayed_sched_scan(wpa_s, |
3213 | interface_count % 3, | |
6a90053c | 3214 | 100000)) |
5d0d72a3 | 3215 | wpa_supplicant_req_scan(wpa_s, interface_count % 3, |
a4cba8f1 | 3216 | 100000); |
ee82e33d | 3217 | #endif /* ANDROID */ |
74e259ec JM |
3218 | interface_count++; |
3219 | } else | |
3220 | wpa_supplicant_set_state(wpa_s, WPA_INACTIVE); | |
6fc6879b JM |
3221 | |
3222 | return 0; | |
3223 | } | |
3224 | ||
3225 | ||
3226 | static int wpa_supplicant_daemon(const char *pid_file) | |
3227 | { | |
3228 | wpa_printf(MSG_DEBUG, "Daemonize.."); | |
3229 | return os_daemonize(pid_file); | |
3230 | } | |
3231 | ||
3232 | ||
1772d348 JM |
3233 | static struct wpa_supplicant * |
3234 | wpa_supplicant_alloc(struct wpa_supplicant *parent) | |
6fc6879b JM |
3235 | { |
3236 | struct wpa_supplicant *wpa_s; | |
3237 | ||
3238 | wpa_s = os_zalloc(sizeof(*wpa_s)); | |
3239 | if (wpa_s == NULL) | |
3240 | return NULL; | |
4115303b | 3241 | wpa_s->scan_req = INITIAL_SCAN_REQ; |
67b9bd08 | 3242 | wpa_s->scan_interval = 5; |
c302f207 | 3243 | wpa_s->new_connection = 1; |
1772d348 | 3244 | wpa_s->parent = parent ? parent : wpa_s; |
cbdf3507 | 3245 | wpa_s->sched_scanning = 0; |
6fc6879b JM |
3246 | |
3247 | return wpa_s; | |
3248 | } | |
3249 | ||
3250 | ||
80e8a5ee BG |
3251 | #ifdef CONFIG_HT_OVERRIDES |
3252 | ||
3253 | static int wpa_set_htcap_mcs(struct wpa_supplicant *wpa_s, | |
3254 | struct ieee80211_ht_capabilities *htcaps, | |
3255 | struct ieee80211_ht_capabilities *htcaps_mask, | |
3256 | const char *ht_mcs) | |
3257 | { | |
3258 | /* parse ht_mcs into hex array */ | |
3259 | int i; | |
3260 | const char *tmp = ht_mcs; | |
3261 | char *end = NULL; | |
3262 | ||
3263 | /* If ht_mcs is null, do not set anything */ | |
3264 | if (!ht_mcs) | |
3265 | return 0; | |
3266 | ||
3267 | /* This is what we are setting in the kernel */ | |
3268 | os_memset(&htcaps->supported_mcs_set, 0, IEEE80211_HT_MCS_MASK_LEN); | |
3269 | ||
3270 | wpa_msg(wpa_s, MSG_DEBUG, "set_htcap, ht_mcs -:%s:-", ht_mcs); | |
3271 | ||
3272 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) { | |
3273 | errno = 0; | |
3274 | long v = strtol(tmp, &end, 16); | |
3275 | if (errno == 0) { | |
3276 | wpa_msg(wpa_s, MSG_DEBUG, | |
3277 | "htcap value[%i]: %ld end: %p tmp: %p", | |
3278 | i, v, end, tmp); | |
3279 | if (end == tmp) | |
3280 | break; | |
3281 | ||
3282 | htcaps->supported_mcs_set[i] = v; | |
3283 | tmp = end; | |
3284 | } else { | |
3285 | wpa_msg(wpa_s, MSG_ERROR, | |
3286 | "Failed to parse ht-mcs: %s, error: %s\n", | |
3287 | ht_mcs, strerror(errno)); | |
3288 | return -1; | |
3289 | } | |
3290 | } | |
3291 | ||
3292 | /* | |
3293 | * If we were able to parse any values, then set mask for the MCS set. | |
3294 | */ | |
3295 | if (i) { | |
3296 | os_memset(&htcaps_mask->supported_mcs_set, 0xff, | |
3297 | IEEE80211_HT_MCS_MASK_LEN - 1); | |
3298 | /* skip the 3 reserved bits */ | |
3299 | htcaps_mask->supported_mcs_set[IEEE80211_HT_MCS_MASK_LEN - 1] = | |
3300 | 0x1f; | |
3301 | } | |
3302 | ||
3303 | return 0; | |
3304 | } | |
3305 | ||
3306 | ||
3307 | static int wpa_disable_max_amsdu(struct wpa_supplicant *wpa_s, | |
3308 | struct ieee80211_ht_capabilities *htcaps, | |
3309 | struct ieee80211_ht_capabilities *htcaps_mask, | |
3310 | int disabled) | |
3311 | { | |
5bc28571 | 3312 | le16 msk; |
80e8a5ee BG |
3313 | |
3314 | wpa_msg(wpa_s, MSG_DEBUG, "set_disable_max_amsdu: %d", disabled); | |
3315 | ||
3316 | if (disabled == -1) | |
3317 | return 0; | |
3318 | ||
3319 | msk = host_to_le16(HT_CAP_INFO_MAX_AMSDU_SIZE); | |
3320 | htcaps_mask->ht_capabilities_info |= msk; | |
3321 | if (disabled) | |
3322 | htcaps->ht_capabilities_info &= msk; | |
3323 | else | |
3324 | htcaps->ht_capabilities_info |= msk; | |
3325 | ||
3326 | return 0; | |
3327 | } | |
3328 | ||
3329 | ||
3330 | static int wpa_set_ampdu_factor(struct wpa_supplicant *wpa_s, | |
3331 | struct ieee80211_ht_capabilities *htcaps, | |
3332 | struct ieee80211_ht_capabilities *htcaps_mask, | |
3333 | int factor) | |
3334 | { | |
3335 | wpa_msg(wpa_s, MSG_DEBUG, "set_ampdu_factor: %d", factor); | |
3336 | ||
3337 | if (factor == -1) | |
3338 | return 0; | |
3339 | ||
3340 | if (factor < 0 || factor > 3) { | |
3341 | wpa_msg(wpa_s, MSG_ERROR, "ampdu_factor: %d out of range. " | |
3342 | "Must be 0-3 or -1", factor); | |
3343 | return -EINVAL; | |
3344 | } | |
3345 | ||
3346 | htcaps_mask->a_mpdu_params |= 0x3; /* 2 bits for factor */ | |
3347 | htcaps->a_mpdu_params &= ~0x3; | |
3348 | htcaps->a_mpdu_params |= factor & 0x3; | |
3349 | ||
3350 | return 0; | |
3351 | } | |
3352 | ||
3353 | ||
3354 | static int wpa_set_ampdu_density(struct wpa_supplicant *wpa_s, | |
3355 | struct ieee80211_ht_capabilities *htcaps, | |
3356 | struct ieee80211_ht_capabilities *htcaps_mask, | |
3357 | int density) | |
3358 | { | |
3359 | wpa_msg(wpa_s, MSG_DEBUG, "set_ampdu_density: %d", density); | |
3360 | ||
3361 | if (density == -1) | |
3362 | return 0; | |
3363 | ||
3364 | if (density < 0 || density > 7) { | |
3365 | wpa_msg(wpa_s, MSG_ERROR, | |
3366 | "ampdu_density: %d out of range. Must be 0-7 or -1.", | |
3367 | density); | |
3368 | return -EINVAL; | |
3369 | } | |
3370 | ||
3371 | htcaps_mask->a_mpdu_params |= 0x1C; | |
3372 | htcaps->a_mpdu_params &= ~(0x1C); | |
3373 | htcaps->a_mpdu_params |= (density << 2) & 0x1C; | |
3374 | ||
3375 | return 0; | |
3376 | } | |
3377 | ||
3378 | ||
3379 | static int wpa_set_disable_ht40(struct wpa_supplicant *wpa_s, | |
3380 | struct ieee80211_ht_capabilities *htcaps, | |
3381 | struct ieee80211_ht_capabilities *htcaps_mask, | |
3382 | int disabled) | |
3383 | { | |
3384 | /* Masking these out disables HT40 */ | |
5bc28571 JM |
3385 | le16 msk = host_to_le16(HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET | |
3386 | HT_CAP_INFO_SHORT_GI40MHZ); | |
80e8a5ee BG |
3387 | |
3388 | wpa_msg(wpa_s, MSG_DEBUG, "set_disable_ht40: %d", disabled); | |
3389 | ||
3390 | if (disabled) | |
3391 | htcaps->ht_capabilities_info &= ~msk; | |
3392 | else | |
3393 | htcaps->ht_capabilities_info |= msk; | |
3394 | ||
3395 | htcaps_mask->ht_capabilities_info |= msk; | |
3396 | ||
3397 | return 0; | |
3398 | } | |
3399 | ||
3400 | ||
a90497f8 BG |
3401 | static int wpa_set_disable_sgi(struct wpa_supplicant *wpa_s, |
3402 | struct ieee80211_ht_capabilities *htcaps, | |
3403 | struct ieee80211_ht_capabilities *htcaps_mask, | |
3404 | int disabled) | |
3405 | { | |
3406 | /* Masking these out disables SGI */ | |
5bc28571 JM |
3407 | le16 msk = host_to_le16(HT_CAP_INFO_SHORT_GI20MHZ | |
3408 | HT_CAP_INFO_SHORT_GI40MHZ); | |
a90497f8 BG |
3409 | |
3410 | wpa_msg(wpa_s, MSG_DEBUG, "set_disable_sgi: %d", disabled); | |
3411 | ||
3412 | if (disabled) | |
3413 | htcaps->ht_capabilities_info &= ~msk; | |
3414 | else | |
3415 | htcaps->ht_capabilities_info |= msk; | |
3416 | ||
3417 | htcaps_mask->ht_capabilities_info |= msk; | |
3418 | ||
3419 | return 0; | |
3420 | } | |
3421 | ||
3422 | ||
39a5800f PK |
3423 | static int wpa_set_disable_ldpc(struct wpa_supplicant *wpa_s, |
3424 | struct ieee80211_ht_capabilities *htcaps, | |
3425 | struct ieee80211_ht_capabilities *htcaps_mask, | |
3426 | int disabled) | |
3427 | { | |
3428 | /* Masking these out disables LDPC */ | |
5bc28571 | 3429 | le16 msk = host_to_le16(HT_CAP_INFO_LDPC_CODING_CAP); |
39a5800f PK |
3430 | |
3431 | wpa_msg(wpa_s, MSG_DEBUG, "set_disable_ldpc: %d", disabled); | |
3432 | ||
3433 | if (disabled) | |
3434 | htcaps->ht_capabilities_info &= ~msk; | |
3435 | else | |
3436 | htcaps->ht_capabilities_info |= msk; | |
3437 | ||
3438 | htcaps_mask->ht_capabilities_info |= msk; | |
3439 | ||
3440 | return 0; | |
3441 | } | |
3442 | ||
3443 | ||
80e8a5ee BG |
3444 | void wpa_supplicant_apply_ht_overrides( |
3445 | struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid, | |
3446 | struct wpa_driver_associate_params *params) | |
3447 | { | |
3448 | struct ieee80211_ht_capabilities *htcaps; | |
3449 | struct ieee80211_ht_capabilities *htcaps_mask; | |
3450 | ||
3451 | if (!ssid) | |
3452 | return; | |
3453 | ||
3454 | params->disable_ht = ssid->disable_ht; | |
3455 | if (!params->htcaps || !params->htcaps_mask) | |
3456 | return; | |
3457 | ||
3458 | htcaps = (struct ieee80211_ht_capabilities *) params->htcaps; | |
3459 | htcaps_mask = (struct ieee80211_ht_capabilities *) params->htcaps_mask; | |
3460 | wpa_set_htcap_mcs(wpa_s, htcaps, htcaps_mask, ssid->ht_mcs); | |
3461 | wpa_disable_max_amsdu(wpa_s, htcaps, htcaps_mask, | |
3462 | ssid->disable_max_amsdu); | |
3463 | wpa_set_ampdu_factor(wpa_s, htcaps, htcaps_mask, ssid->ampdu_factor); | |
3464 | wpa_set_ampdu_density(wpa_s, htcaps, htcaps_mask, ssid->ampdu_density); | |
3465 | wpa_set_disable_ht40(wpa_s, htcaps, htcaps_mask, ssid->disable_ht40); | |
a90497f8 | 3466 | wpa_set_disable_sgi(wpa_s, htcaps, htcaps_mask, ssid->disable_sgi); |
39a5800f | 3467 | wpa_set_disable_ldpc(wpa_s, htcaps, htcaps_mask, ssid->disable_ldpc); |
d41cc8cc JM |
3468 | |
3469 | if (ssid->ht40_intolerant) { | |
5bc28571 | 3470 | le16 bit = host_to_le16(HT_CAP_INFO_40MHZ_INTOLERANT); |
d41cc8cc JM |
3471 | htcaps->ht_capabilities_info |= bit; |
3472 | htcaps_mask->ht_capabilities_info |= bit; | |
3473 | } | |
80e8a5ee BG |
3474 | } |
3475 | ||
3476 | #endif /* CONFIG_HT_OVERRIDES */ | |
3477 | ||
3478 | ||
e9ee8dc3 JB |
3479 | #ifdef CONFIG_VHT_OVERRIDES |
3480 | void wpa_supplicant_apply_vht_overrides( | |
3481 | struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid, | |
3482 | struct wpa_driver_associate_params *params) | |
3483 | { | |
3484 | struct ieee80211_vht_capabilities *vhtcaps; | |
3485 | struct ieee80211_vht_capabilities *vhtcaps_mask; | |
3486 | ||
3487 | if (!ssid) | |
3488 | return; | |
3489 | ||
3490 | params->disable_vht = ssid->disable_vht; | |
3491 | ||
3492 | vhtcaps = (void *) params->vhtcaps; | |
3493 | vhtcaps_mask = (void *) params->vhtcaps_mask; | |
3494 | ||
3495 | if (!vhtcaps || !vhtcaps_mask) | |
3496 | return; | |
3497 | ||
3498 | vhtcaps->vht_capabilities_info = ssid->vht_capa; | |
3499 | vhtcaps_mask->vht_capabilities_info = ssid->vht_capa_mask; | |
3500 | ||
4f560cde EP |
3501 | #ifdef CONFIG_HT_OVERRIDES |
3502 | /* if max ampdu is <= 3, we have to make the HT cap the same */ | |
b0f33467 JM |
3503 | if (ssid->vht_capa_mask & VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MAX) { |
3504 | int max_ampdu; | |
3505 | ||
3506 | max_ampdu = (ssid->vht_capa & | |
3507 | VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MAX) >> | |
3508 | VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MAX_SHIFT; | |
4f560cde EP |
3509 | |
3510 | max_ampdu = max_ampdu < 3 ? max_ampdu : 3; | |
3511 | wpa_set_ampdu_factor(wpa_s, | |
3512 | (void *) params->htcaps, | |
3513 | (void *) params->htcaps_mask, | |
3514 | max_ampdu); | |
3515 | } | |
3516 | #endif /* CONFIG_HT_OVERRIDES */ | |
3517 | ||
e9ee8dc3 JB |
3518 | #define OVERRIDE_MCS(i) \ |
3519 | if (ssid->vht_tx_mcs_nss_ ##i >= 0) { \ | |
3520 | vhtcaps_mask->vht_supported_mcs_set.tx_map |= \ | |
3521 | 3 << 2 * (i - 1); \ | |
3522 | vhtcaps->vht_supported_mcs_set.tx_map |= \ | |
3523 | ssid->vht_tx_mcs_nss_ ##i << 2 * (i - 1); \ | |
3524 | } \ | |
3525 | if (ssid->vht_rx_mcs_nss_ ##i >= 0) { \ | |
3526 | vhtcaps_mask->vht_supported_mcs_set.rx_map |= \ | |
3527 | 3 << 2 * (i - 1); \ | |
3528 | vhtcaps->vht_supported_mcs_set.rx_map |= \ | |
3529 | ssid->vht_rx_mcs_nss_ ##i << 2 * (i - 1); \ | |
3530 | } | |
3531 | ||
3532 | OVERRIDE_MCS(1); | |
3533 | OVERRIDE_MCS(2); | |
3534 | OVERRIDE_MCS(3); | |
3535 | OVERRIDE_MCS(4); | |
3536 | OVERRIDE_MCS(5); | |
3537 | OVERRIDE_MCS(6); | |
3538 | OVERRIDE_MCS(7); | |
3539 | OVERRIDE_MCS(8); | |
3540 | } | |
3541 | #endif /* CONFIG_VHT_OVERRIDES */ | |
3542 | ||
3543 | ||
f64adcd7 JM |
3544 | static int pcsc_reader_init(struct wpa_supplicant *wpa_s) |
3545 | { | |
3546 | #ifdef PCSC_FUNCS | |
3547 | size_t len; | |
3548 | ||
3549 | if (!wpa_s->conf->pcsc_reader) | |
3550 | return 0; | |
3551 | ||
22cf7d73 | 3552 | wpa_s->scard = scard_init(wpa_s->conf->pcsc_reader); |
f64adcd7 JM |
3553 | if (!wpa_s->scard) |
3554 | return 1; | |
3555 | ||
3556 | if (wpa_s->conf->pcsc_pin && | |
3557 | scard_set_pin(wpa_s->scard, wpa_s->conf->pcsc_pin) < 0) { | |
3558 | scard_deinit(wpa_s->scard); | |
3559 | wpa_s->scard = NULL; | |
3560 | wpa_msg(wpa_s, MSG_ERROR, "PC/SC PIN validation failed"); | |
3561 | return -1; | |
3562 | } | |
3563 | ||
3564 | len = sizeof(wpa_s->imsi) - 1; | |
3565 | if (scard_get_imsi(wpa_s->scard, wpa_s->imsi, &len)) { | |
3566 | scard_deinit(wpa_s->scard); | |
3567 | wpa_s->scard = NULL; | |
3568 | wpa_msg(wpa_s, MSG_ERROR, "Could not read IMSI"); | |
3569 | return -1; | |
3570 | } | |
3571 | wpa_s->imsi[len] = '\0'; | |
3572 | ||
3573 | wpa_s->mnc_len = scard_get_mnc_len(wpa_s->scard); | |
3574 | ||
3575 | wpa_printf(MSG_DEBUG, "SCARD: IMSI %s (MNC length %d)", | |
3576 | wpa_s->imsi, wpa_s->mnc_len); | |
3577 | ||
3578 | wpa_sm_set_scard_ctx(wpa_s->wpa, wpa_s->scard); | |
3579 | eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard); | |
3580 | #endif /* PCSC_FUNCS */ | |
3581 | ||
3582 | return 0; | |
3583 | } | |
3584 | ||
3585 | ||
306ae225 JM |
3586 | int wpas_init_ext_pw(struct wpa_supplicant *wpa_s) |
3587 | { | |
3588 | char *val, *pos; | |
3589 | ||
3590 | ext_password_deinit(wpa_s->ext_pw); | |
3591 | wpa_s->ext_pw = NULL; | |
3592 | eapol_sm_set_ext_pw_ctx(wpa_s->eapol, NULL); | |
3593 | ||
3594 | if (!wpa_s->conf->ext_password_backend) | |
3595 | return 0; | |
3596 | ||
3597 | val = os_strdup(wpa_s->conf->ext_password_backend); | |
3598 | if (val == NULL) | |
3599 | return -1; | |
3600 | pos = os_strchr(val, ':'); | |
3601 | if (pos) | |
3602 | *pos++ = '\0'; | |
3603 | ||
3604 | wpa_printf(MSG_DEBUG, "EXT PW: Initialize backend '%s'", val); | |
3605 | ||
3606 | wpa_s->ext_pw = ext_password_init(val, pos); | |
3607 | os_free(val); | |
3608 | if (wpa_s->ext_pw == NULL) { | |
3609 | wpa_printf(MSG_DEBUG, "EXT PW: Failed to initialize backend"); | |
3610 | return -1; | |
3611 | } | |
3612 | eapol_sm_set_ext_pw_ctx(wpa_s->eapol, wpa_s->ext_pw); | |
3613 | ||
3614 | return 0; | |
3615 | } | |
3616 | ||
3617 | ||
a520bf4a | 3618 | static int wpas_set_wowlan_triggers(struct wpa_supplicant *wpa_s, |
6cbdb0c5 | 3619 | const struct wpa_driver_capa *capa) |
e4fa8b12 | 3620 | { |
88cb27c7 DS |
3621 | struct wowlan_triggers *triggers; |
3622 | int ret = 0; | |
e4fa8b12 EP |
3623 | |
3624 | if (!wpa_s->conf->wowlan_triggers) | |
3625 | return 0; | |
3626 | ||
88cb27c7 DS |
3627 | triggers = wpa_get_wowlan_triggers(wpa_s->conf->wowlan_triggers, capa); |
3628 | if (triggers) { | |
3629 | ret = wpa_drv_wowlan(wpa_s, triggers); | |
3630 | os_free(triggers); | |
e4fa8b12 | 3631 | } |
e4fa8b12 EP |
3632 | return ret; |
3633 | } | |
3634 | ||
3635 | ||
202dec2a JM |
3636 | static struct wpa_radio * radio_add_interface(struct wpa_supplicant *wpa_s, |
3637 | const char *rn) | |
3638 | { | |
3639 | struct wpa_supplicant *iface = wpa_s->global->ifaces; | |
3640 | struct wpa_radio *radio; | |
3641 | ||
3642 | while (rn && iface) { | |
3643 | radio = iface->radio; | |
3644 | if (radio && os_strcmp(rn, radio->name) == 0) { | |
3645 | wpa_printf(MSG_DEBUG, "Add interface %s to existing radio %s", | |
3646 | wpa_s->ifname, rn); | |
3647 | dl_list_add(&radio->ifaces, &wpa_s->radio_list); | |
3648 | return radio; | |
3649 | } | |
b154a24e TB |
3650 | |
3651 | iface = iface->next; | |
202dec2a JM |
3652 | } |
3653 | ||
3654 | wpa_printf(MSG_DEBUG, "Add interface %s to a new radio %s", | |
3655 | wpa_s->ifname, rn ? rn : "N/A"); | |
3656 | radio = os_zalloc(sizeof(*radio)); | |
3657 | if (radio == NULL) | |
3658 | return NULL; | |
3659 | ||
3660 | if (rn) | |
3661 | os_strlcpy(radio->name, rn, sizeof(radio->name)); | |
3662 | dl_list_init(&radio->ifaces); | |
b1ae396f | 3663 | dl_list_init(&radio->work); |
202dec2a JM |
3664 | dl_list_add(&radio->ifaces, &wpa_s->radio_list); |
3665 | ||
3666 | return radio; | |
3667 | } | |
3668 | ||
3669 | ||
b1ae396f JM |
3670 | static void radio_work_free(struct wpa_radio_work *work) |
3671 | { | |
d12a51b5 JM |
3672 | if (work->wpa_s->scan_work == work) { |
3673 | /* This should not really happen. */ | |
3674 | wpa_dbg(work->wpa_s, MSG_INFO, "Freeing radio work '%s'@%p (started=%d) that is marked as scan_work", | |
3675 | work->type, work, work->started); | |
3676 | work->wpa_s->scan_work = NULL; | |
3677 | } | |
3678 | ||
1b5d4714 JM |
3679 | #ifdef CONFIG_P2P |
3680 | if (work->wpa_s->p2p_scan_work == work) { | |
3681 | /* This should not really happen. */ | |
3682 | wpa_dbg(work->wpa_s, MSG_INFO, "Freeing radio work '%s'@%p (started=%d) that is marked as p2p_scan_work", | |
3683 | work->type, work, work->started); | |
3684 | work->wpa_s->p2p_scan_work = NULL; | |
3685 | } | |
3686 | #endif /* CONFIG_P2P */ | |
3687 | ||
b1ae396f JM |
3688 | dl_list_del(&work->list); |
3689 | os_free(work); | |
3690 | } | |
3691 | ||
3692 | ||
3693 | static void radio_start_next_work(void *eloop_ctx, void *timeout_ctx) | |
3694 | { | |
3695 | struct wpa_radio *radio = eloop_ctx; | |
3696 | struct wpa_radio_work *work; | |
3697 | struct os_reltime now, diff; | |
6428d0a7 | 3698 | struct wpa_supplicant *wpa_s; |
b1ae396f JM |
3699 | |
3700 | work = dl_list_first(&radio->work, struct wpa_radio_work, list); | |
3701 | if (work == NULL) | |
3702 | return; | |
3703 | ||
3704 | if (work->started) | |
3705 | return; /* already started and still in progress */ | |
3706 | ||
6428d0a7 JM |
3707 | wpa_s = dl_list_first(&radio->ifaces, struct wpa_supplicant, |
3708 | radio_list); | |
d90bfa97 | 3709 | if (wpa_s && wpa_s->radio->external_scan_running) { |
6428d0a7 JM |
3710 | wpa_printf(MSG_DEBUG, "Delay radio work start until externally triggered scan completes"); |
3711 | return; | |
3712 | } | |
3713 | ||
b1ae396f JM |
3714 | os_get_reltime(&now); |
3715 | os_reltime_sub(&now, &work->time, &diff); | |
3716 | wpa_dbg(work->wpa_s, MSG_DEBUG, "Starting radio work '%s'@%p after %ld.%06ld second wait", | |
3717 | work->type, work, diff.sec, diff.usec); | |
3718 | work->started = 1; | |
3719 | work->time = now; | |
3720 | work->cb(work, 0); | |
3721 | } | |
3722 | ||
3723 | ||
b3253ebb AO |
3724 | /* |
3725 | * This function removes both started and pending radio works running on | |
3726 | * the provided interface's radio. | |
3727 | * Prior to the removal of the radio work, its callback (cb) is called with | |
3728 | * deinit set to be 1. Each work's callback is responsible for clearing its | |
3729 | * internal data and restoring to a correct state. | |
3730 | * @wpa_s: wpa_supplicant data | |
3731 | * @type: type of works to be removed | |
3732 | * @remove_all: 1 to remove all the works on this radio, 0 to remove only | |
3733 | * this interface's works. | |
3734 | */ | |
3735 | void radio_remove_works(struct wpa_supplicant *wpa_s, | |
3736 | const char *type, int remove_all) | |
b1ae396f JM |
3737 | { |
3738 | struct wpa_radio_work *work, *tmp; | |
3739 | struct wpa_radio *radio = wpa_s->radio; | |
3740 | ||
3741 | dl_list_for_each_safe(work, tmp, &radio->work, struct wpa_radio_work, | |
3742 | list) { | |
b3253ebb | 3743 | if (type && os_strcmp(type, work->type) != 0) |
b1ae396f | 3744 | continue; |
b3253ebb AO |
3745 | |
3746 | /* skip other ifaces' works */ | |
3747 | if (!remove_all && work->wpa_s != wpa_s) | |
b1ae396f | 3748 | continue; |
b3253ebb AO |
3749 | |
3750 | wpa_dbg(wpa_s, MSG_DEBUG, "Remove radio work '%s'@%p%s", | |
3751 | work->type, work, work->started ? " (started)" : ""); | |
b1ae396f JM |
3752 | work->cb(work, 1); |
3753 | radio_work_free(work); | |
3754 | } | |
b3253ebb AO |
3755 | |
3756 | /* in case we removed the started work */ | |
3757 | radio_work_check_next(wpa_s); | |
b1ae396f JM |
3758 | } |
3759 | ||
3760 | ||
202dec2a JM |
3761 | static void radio_remove_interface(struct wpa_supplicant *wpa_s) |
3762 | { | |
3763 | struct wpa_radio *radio = wpa_s->radio; | |
3764 | ||
3765 | if (!radio) | |
3766 | return; | |
3767 | ||
3768 | wpa_printf(MSG_DEBUG, "Remove interface %s from radio %s", | |
3769 | wpa_s->ifname, radio->name); | |
3770 | dl_list_del(&wpa_s->radio_list); | |
c46235aa AO |
3771 | radio_remove_works(wpa_s, NULL, 0); |
3772 | wpa_s->radio = NULL; | |
3773 | if (!dl_list_empty(&radio->ifaces)) | |
202dec2a JM |
3774 | return; /* Interfaces remain for this radio */ |
3775 | ||
3776 | wpa_printf(MSG_DEBUG, "Remove radio %s", radio->name); | |
b1ae396f | 3777 | eloop_cancel_timeout(radio_start_next_work, radio, NULL); |
202dec2a JM |
3778 | os_free(radio); |
3779 | } | |
3780 | ||
3781 | ||
6428d0a7 | 3782 | void radio_work_check_next(struct wpa_supplicant *wpa_s) |
b1ae396f JM |
3783 | { |
3784 | struct wpa_radio *radio = wpa_s->radio; | |
3785 | ||
3786 | if (dl_list_empty(&radio->work)) | |
3787 | return; | |
e3745228 JM |
3788 | if (wpa_s->ext_work_in_progress) { |
3789 | wpa_printf(MSG_DEBUG, | |
3790 | "External radio work in progress - delay start of pending item"); | |
3791 | return; | |
3792 | } | |
b1ae396f JM |
3793 | eloop_cancel_timeout(radio_start_next_work, radio, NULL); |
3794 | eloop_register_timeout(0, 0, radio_start_next_work, radio, NULL); | |
3795 | } | |
3796 | ||
3797 | ||
3798 | /** | |
3799 | * radio_add_work - Add a radio work item | |
3800 | * @wpa_s: Pointer to wpa_supplicant data | |
3801 | * @freq: Frequency of the offchannel operation in MHz or 0 | |
3802 | * @type: Unique identifier for each type of work | |
3803 | * @next: Force as the next work to be executed | |
3804 | * @cb: Callback function for indicating when radio is available | |
3805 | * @ctx: Context pointer for the work (work->ctx in cb()) | |
3806 | * Returns: 0 on success, -1 on failure | |
3807 | * | |
3808 | * This function is used to request time for an operation that requires | |
3809 | * exclusive radio control. Once the radio is available, the registered callback | |
3810 | * function will be called. radio_work_done() must be called once the exclusive | |
3811 | * radio operation has been completed, so that the radio is freed for other | |
3812 | * operations. The special case of deinit=1 is used to free the context data | |
3813 | * during interface removal. That does not allow the callback function to start | |
3814 | * the radio operation, i.e., it must free any resources allocated for the radio | |
3815 | * work and return. | |
3816 | * | |
3817 | * The @freq parameter can be used to indicate a single channel on which the | |
3818 | * offchannel operation will occur. This may allow multiple radio work | |
3819 | * operations to be performed in parallel if they apply for the same channel. | |
3820 | * Setting this to 0 indicates that the work item may use multiple channels or | |
3821 | * requires exclusive control of the radio. | |
3822 | */ | |
3823 | int radio_add_work(struct wpa_supplicant *wpa_s, unsigned int freq, | |
3824 | const char *type, int next, | |
3825 | void (*cb)(struct wpa_radio_work *work, int deinit), | |
3826 | void *ctx) | |
3827 | { | |
3828 | struct wpa_radio_work *work; | |
3829 | int was_empty; | |
3830 | ||
3831 | work = os_zalloc(sizeof(*work)); | |
3832 | if (work == NULL) | |
3833 | return -1; | |
3834 | wpa_dbg(wpa_s, MSG_DEBUG, "Add radio work '%s'@%p", type, work); | |
3835 | os_get_reltime(&work->time); | |
3836 | work->freq = freq; | |
3837 | work->type = type; | |
3838 | work->wpa_s = wpa_s; | |
3839 | work->cb = cb; | |
3840 | work->ctx = ctx; | |
3841 | ||
3842 | was_empty = dl_list_empty(&wpa_s->radio->work); | |
3843 | if (next) | |
3844 | dl_list_add(&wpa_s->radio->work, &work->list); | |
3845 | else | |
3846 | dl_list_add_tail(&wpa_s->radio->work, &work->list); | |
3847 | if (was_empty) { | |
3848 | wpa_dbg(wpa_s, MSG_DEBUG, "First radio work item in the queue - schedule start immediately"); | |
3849 | radio_work_check_next(wpa_s); | |
3850 | } | |
3851 | ||
3852 | return 0; | |
3853 | } | |
3854 | ||
3855 | ||
3856 | /** | |
3857 | * radio_work_done - Indicate that a radio work item has been completed | |
3858 | * @work: Completed work | |
3859 | * | |
3860 | * This function is called once the callback function registered with | |
3861 | * radio_add_work() has completed its work. | |
3862 | */ | |
3863 | void radio_work_done(struct wpa_radio_work *work) | |
3864 | { | |
3865 | struct wpa_supplicant *wpa_s = work->wpa_s; | |
3866 | struct os_reltime now, diff; | |
1f965e62 | 3867 | unsigned int started = work->started; |
b1ae396f JM |
3868 | |
3869 | os_get_reltime(&now); | |
3870 | os_reltime_sub(&now, &work->time, &diff); | |
1f965e62 JM |
3871 | wpa_dbg(wpa_s, MSG_DEBUG, "Radio work '%s'@%p %s in %ld.%06ld seconds", |
3872 | work->type, work, started ? "done" : "canceled", | |
3873 | diff.sec, diff.usec); | |
b1ae396f | 3874 | radio_work_free(work); |
1f965e62 JM |
3875 | if (started) |
3876 | radio_work_check_next(wpa_s); | |
b1ae396f JM |
3877 | } |
3878 | ||
3879 | ||
a7f5271d JM |
3880 | struct wpa_radio_work * |
3881 | radio_work_pending(struct wpa_supplicant *wpa_s, const char *type) | |
f0e30c84 JM |
3882 | { |
3883 | struct wpa_radio_work *work; | |
3884 | struct wpa_radio *radio = wpa_s->radio; | |
3885 | ||
3886 | dl_list_for_each(work, &radio->work, struct wpa_radio_work, list) { | |
3887 | if (work->wpa_s == wpa_s && os_strcmp(work->type, type) == 0) | |
a7f5271d | 3888 | return work; |
f0e30c84 JM |
3889 | } |
3890 | ||
a7f5271d | 3891 | return NULL; |
f0e30c84 JM |
3892 | } |
3893 | ||
3894 | ||
73c00fd7 JM |
3895 | static int wpas_init_driver(struct wpa_supplicant *wpa_s, |
3896 | struct wpa_interface *iface) | |
3897 | { | |
202dec2a | 3898 | const char *ifname, *driver, *rn; |
73c00fd7 JM |
3899 | |
3900 | driver = iface->driver; | |
3901 | next_driver: | |
3902 | if (wpa_supplicant_set_driver(wpa_s, driver) < 0) | |
3903 | return -1; | |
3904 | ||
3905 | wpa_s->drv_priv = wpa_drv_init(wpa_s, wpa_s->ifname); | |
3906 | if (wpa_s->drv_priv == NULL) { | |
3907 | const char *pos; | |
3908 | pos = driver ? os_strchr(driver, ',') : NULL; | |
3909 | if (pos) { | |
3910 | wpa_dbg(wpa_s, MSG_DEBUG, "Failed to initialize " | |
3911 | "driver interface - try next driver wrapper"); | |
3912 | driver = pos + 1; | |
3913 | goto next_driver; | |
3914 | } | |
3915 | wpa_msg(wpa_s, MSG_ERROR, "Failed to initialize driver " | |
3916 | "interface"); | |
3917 | return -1; | |
3918 | } | |
3919 | if (wpa_drv_set_param(wpa_s, wpa_s->conf->driver_param) < 0) { | |
3920 | wpa_msg(wpa_s, MSG_ERROR, "Driver interface rejected " | |
3921 | "driver_param '%s'", wpa_s->conf->driver_param); | |
3922 | return -1; | |
3923 | } | |
3924 | ||
3925 | ifname = wpa_drv_get_ifname(wpa_s); | |
3926 | if (ifname && os_strcmp(ifname, wpa_s->ifname) != 0) { | |
3927 | wpa_dbg(wpa_s, MSG_DEBUG, "Driver interface replaced " | |
3928 | "interface name with '%s'", ifname); | |
3929 | os_strlcpy(wpa_s->ifname, ifname, sizeof(wpa_s->ifname)); | |
3930 | } | |
3931 | ||
95bf699f | 3932 | rn = wpa_driver_get_radio_name(wpa_s); |
202dec2a JM |
3933 | if (rn && rn[0] == '\0') |
3934 | rn = NULL; | |
3935 | ||
3936 | wpa_s->radio = radio_add_interface(wpa_s, rn); | |
3937 | if (wpa_s->radio == NULL) | |
3938 | return -1; | |
3939 | ||
73c00fd7 JM |
3940 | return 0; |
3941 | } | |
3942 | ||
3943 | ||
6fc6879b JM |
3944 | static int wpa_supplicant_init_iface(struct wpa_supplicant *wpa_s, |
3945 | struct wpa_interface *iface) | |
3946 | { | |
362f781e | 3947 | struct wpa_driver_capa capa; |
6cbdb0c5 | 3948 | int capa_res; |
362f781e | 3949 | |
6fc6879b JM |
3950 | wpa_printf(MSG_DEBUG, "Initializing interface '%s' conf '%s' driver " |
3951 | "'%s' ctrl_interface '%s' bridge '%s'", iface->ifname, | |
3952 | iface->confname ? iface->confname : "N/A", | |
3953 | iface->driver ? iface->driver : "default", | |
3954 | iface->ctrl_interface ? iface->ctrl_interface : "N/A", | |
3955 | iface->bridge_ifname ? iface->bridge_ifname : "N/A"); | |
3956 | ||
6fc6879b JM |
3957 | if (iface->confname) { |
3958 | #ifdef CONFIG_BACKEND_FILE | |
3959 | wpa_s->confname = os_rel2abs_path(iface->confname); | |
3960 | if (wpa_s->confname == NULL) { | |
3961 | wpa_printf(MSG_ERROR, "Failed to get absolute path " | |
3962 | "for configuration file '%s'.", | |
3963 | iface->confname); | |
3964 | return -1; | |
3965 | } | |
3966 | wpa_printf(MSG_DEBUG, "Configuration file '%s' -> '%s'", | |
3967 | iface->confname, wpa_s->confname); | |
3968 | #else /* CONFIG_BACKEND_FILE */ | |
3969 | wpa_s->confname = os_strdup(iface->confname); | |
3970 | #endif /* CONFIG_BACKEND_FILE */ | |
e6304cad | 3971 | wpa_s->conf = wpa_config_read(wpa_s->confname, NULL); |
6fc6879b JM |
3972 | if (wpa_s->conf == NULL) { |
3973 | wpa_printf(MSG_ERROR, "Failed to read or parse " | |
3974 | "configuration '%s'.", wpa_s->confname); | |
3975 | return -1; | |
3976 | } | |
e6304cad DS |
3977 | wpa_s->confanother = os_rel2abs_path(iface->confanother); |
3978 | wpa_config_read(wpa_s->confanother, wpa_s->conf); | |
6fc6879b JM |
3979 | |
3980 | /* | |
3981 | * Override ctrl_interface and driver_param if set on command | |
3982 | * line. | |
3983 | */ | |
3984 | if (iface->ctrl_interface) { | |
3985 | os_free(wpa_s->conf->ctrl_interface); | |
3986 | wpa_s->conf->ctrl_interface = | |
3987 | os_strdup(iface->ctrl_interface); | |
3988 | } | |
3989 | ||
3990 | if (iface->driver_param) { | |
3991 | os_free(wpa_s->conf->driver_param); | |
3992 | wpa_s->conf->driver_param = | |
3993 | os_strdup(iface->driver_param); | |
3994 | } | |
78f79fe5 JM |
3995 | |
3996 | if (iface->p2p_mgmt && !iface->ctrl_interface) { | |
3997 | os_free(wpa_s->conf->ctrl_interface); | |
3998 | wpa_s->conf->ctrl_interface = NULL; | |
3999 | } | |
6fc6879b JM |
4000 | } else |
4001 | wpa_s->conf = wpa_config_alloc_empty(iface->ctrl_interface, | |
4002 | iface->driver_param); | |
4003 | ||
4004 | if (wpa_s->conf == NULL) { | |
4005 | wpa_printf(MSG_ERROR, "\nNo configuration found."); | |
4006 | return -1; | |
4007 | } | |
4008 | ||
4009 | if (iface->ifname == NULL) { | |
4010 | wpa_printf(MSG_ERROR, "\nInterface name is required."); | |
4011 | return -1; | |
4012 | } | |
4013 | if (os_strlen(iface->ifname) >= sizeof(wpa_s->ifname)) { | |
4014 | wpa_printf(MSG_ERROR, "\nToo long interface name '%s'.", | |
4015 | iface->ifname); | |
4016 | return -1; | |
4017 | } | |
4018 | os_strlcpy(wpa_s->ifname, iface->ifname, sizeof(wpa_s->ifname)); | |
4019 | ||
4020 | if (iface->bridge_ifname) { | |
4021 | if (os_strlen(iface->bridge_ifname) >= | |
4022 | sizeof(wpa_s->bridge_ifname)) { | |
4023 | wpa_printf(MSG_ERROR, "\nToo long bridge interface " | |
4024 | "name '%s'.", iface->bridge_ifname); | |
4025 | return -1; | |
4026 | } | |
4027 | os_strlcpy(wpa_s->bridge_ifname, iface->bridge_ifname, | |
4028 | sizeof(wpa_s->bridge_ifname)); | |
4029 | } | |
4030 | ||
6fc6879b JM |
4031 | /* RSNA Supplicant Key Management - INITIALIZE */ |
4032 | eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE); | |
4033 | eapol_sm_notify_portValid(wpa_s->eapol, FALSE); | |
4034 | ||
4035 | /* Initialize driver interface and register driver event handler before | |
4036 | * L2 receive handler so that association events are processed before | |
4037 | * EAPOL-Key packets if both become available for the same select() | |
4038 | * call. */ | |
73c00fd7 | 4039 | if (wpas_init_driver(wpa_s, iface) < 0) |
362f781e JM |
4040 | return -1; |
4041 | ||
6fc6879b JM |
4042 | if (wpa_supplicant_init_wpa(wpa_s) < 0) |
4043 | return -1; | |
4044 | ||
4045 | wpa_sm_set_ifname(wpa_s->wpa, wpa_s->ifname, | |
4046 | wpa_s->bridge_ifname[0] ? wpa_s->bridge_ifname : | |
4047 | NULL); | |
4048 | wpa_sm_set_fast_reauth(wpa_s->wpa, wpa_s->conf->fast_reauth); | |
4049 | ||
4050 | if (wpa_s->conf->dot11RSNAConfigPMKLifetime && | |
4051 | wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME, | |
4052 | wpa_s->conf->dot11RSNAConfigPMKLifetime)) { | |
f049052b BG |
4053 | wpa_msg(wpa_s, MSG_ERROR, "Invalid WPA parameter value for " |
4054 | "dot11RSNAConfigPMKLifetime"); | |
6fc6879b JM |
4055 | return -1; |
4056 | } | |
4057 | ||
4058 | if (wpa_s->conf->dot11RSNAConfigPMKReauthThreshold && | |
4059 | wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD, | |
4060 | wpa_s->conf->dot11RSNAConfigPMKReauthThreshold)) { | |
f049052b | 4061 | wpa_msg(wpa_s, MSG_ERROR, "Invalid WPA parameter value for " |
6fc6879b JM |
4062 | "dot11RSNAConfigPMKReauthThreshold"); |
4063 | return -1; | |
4064 | } | |
4065 | ||
4066 | if (wpa_s->conf->dot11RSNAConfigSATimeout && | |
4067 | wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, | |
4068 | wpa_s->conf->dot11RSNAConfigSATimeout)) { | |
f049052b BG |
4069 | wpa_msg(wpa_s, MSG_ERROR, "Invalid WPA parameter value for " |
4070 | "dot11RSNAConfigSATimeout"); | |
6fc6879b JM |
4071 | return -1; |
4072 | } | |
4073 | ||
6bf731e8 CL |
4074 | wpa_s->hw.modes = wpa_drv_get_hw_feature_data(wpa_s, |
4075 | &wpa_s->hw.num_modes, | |
4076 | &wpa_s->hw.flags); | |
a1b790eb JM |
4077 | if (wpa_s->hw.modes) { |
4078 | u16 i; | |
4079 | ||
4080 | for (i = 0; i < wpa_s->hw.num_modes; i++) { | |
4081 | if (wpa_s->hw.modes[i].vht_capab) { | |
4082 | wpa_s->hw_capab = CAPAB_VHT; | |
4083 | break; | |
4084 | } | |
4085 | ||
4086 | if (wpa_s->hw.modes[i].ht_capab & | |
4087 | HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET) | |
4088 | wpa_s->hw_capab = CAPAB_HT40; | |
4089 | else if (wpa_s->hw.modes[i].ht_capab && | |
4090 | wpa_s->hw_capab == CAPAB_NO_HT_VHT) | |
4091 | wpa_s->hw_capab = CAPAB_HT; | |
4092 | } | |
4093 | } | |
6bf731e8 | 4094 | |
6cbdb0c5 JM |
4095 | capa_res = wpa_drv_get_capa(wpa_s, &capa); |
4096 | if (capa_res == 0) { | |
c58ab8f2 | 4097 | wpa_s->drv_capa_known = 1; |
814782b9 | 4098 | wpa_s->drv_flags = capa.flags; |
349493bd | 4099 | wpa_s->drv_enc = capa.enc; |
04ee647d | 4100 | wpa_s->drv_smps_modes = capa.smps_modes; |
f936b73c | 4101 | wpa_s->drv_rrm_flags = capa.rrm_flags; |
4f73d88a | 4102 | wpa_s->probe_resp_offloads = capa.probe_resp_offloads; |
814782b9 | 4103 | wpa_s->max_scan_ssids = capa.max_scan_ssids; |
cbdf3507 LC |
4104 | wpa_s->max_sched_scan_ssids = capa.max_sched_scan_ssids; |
4105 | wpa_s->sched_scan_supported = capa.sched_scan_supported; | |
b59e6f26 | 4106 | wpa_s->max_match_sets = capa.max_match_sets; |
814782b9 | 4107 | wpa_s->max_remain_on_chan = capa.max_remain_on_chan; |
c4ea4c5c | 4108 | wpa_s->max_stations = capa.max_stations; |
8cd6b7bc JB |
4109 | wpa_s->extended_capa = capa.extended_capa; |
4110 | wpa_s->extended_capa_mask = capa.extended_capa_mask; | |
4111 | wpa_s->extended_capa_len = capa.extended_capa_len; | |
4752147d IP |
4112 | wpa_s->num_multichan_concurrent = |
4113 | capa.num_multichan_concurrent; | |
471cd6e1 | 4114 | wpa_s->wmm_ac_supported = capa.wmm_ac_supported; |
56c76fa5 IP |
4115 | |
4116 | if (capa.mac_addr_rand_scan_supported) | |
4117 | wpa_s->mac_addr_rand_supported |= MAC_ADDR_RAND_SCAN; | |
4118 | if (wpa_s->sched_scan_supported && | |
4119 | capa.mac_addr_rand_sched_scan_supported) | |
4120 | wpa_s->mac_addr_rand_supported |= | |
4121 | (MAC_ADDR_RAND_SCHED_SCAN | MAC_ADDR_RAND_PNO); | |
814782b9 JM |
4122 | } |
4123 | if (wpa_s->max_remain_on_chan == 0) | |
4124 | wpa_s->max_remain_on_chan = 1000; | |
4125 | ||
c68f6200 AS |
4126 | /* |
4127 | * Only take p2p_mgmt parameters when P2P Device is supported. | |
4128 | * Doing it here as it determines whether l2_packet_init() will be done | |
4129 | * during wpa_supplicant_driver_init(). | |
4130 | */ | |
4131 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE) | |
4132 | wpa_s->p2p_mgmt = iface->p2p_mgmt; | |
4133 | else | |
4134 | iface->p2p_mgmt = 1; | |
4135 | ||
4752147d IP |
4136 | if (wpa_s->num_multichan_concurrent == 0) |
4137 | wpa_s->num_multichan_concurrent = 1; | |
4138 | ||
6fc6879b JM |
4139 | if (wpa_supplicant_driver_init(wpa_s) < 0) |
4140 | return -1; | |
4141 | ||
281ff0aa | 4142 | #ifdef CONFIG_TDLS |
1c42b42f JM |
4143 | if ((!iface->p2p_mgmt || |
4144 | !(wpa_s->drv_flags & | |
4145 | WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)) && | |
4146 | wpa_tdls_init(wpa_s->wpa)) | |
281ff0aa GP |
4147 | return -1; |
4148 | #endif /* CONFIG_TDLS */ | |
4149 | ||
315ce40a JM |
4150 | if (wpa_s->conf->country[0] && wpa_s->conf->country[1] && |
4151 | wpa_drv_set_country(wpa_s, wpa_s->conf->country)) { | |
f049052b | 4152 | wpa_dbg(wpa_s, MSG_DEBUG, "Failed to set country"); |
6d158490 LR |
4153 | return -1; |
4154 | } | |
4155 | ||
116654ce JM |
4156 | if (wpas_wps_init(wpa_s)) |
4157 | return -1; | |
4158 | ||
6fc6879b JM |
4159 | if (wpa_supplicant_init_eapol(wpa_s) < 0) |
4160 | return -1; | |
4161 | wpa_sm_set_eapol(wpa_s->wpa, wpa_s->eapol); | |
4162 | ||
4163 | wpa_s->ctrl_iface = wpa_supplicant_ctrl_iface_init(wpa_s); | |
4164 | if (wpa_s->ctrl_iface == NULL) { | |
4165 | wpa_printf(MSG_ERROR, | |
4166 | "Failed to initialize control interface '%s'.\n" | |
4167 | "You may have another wpa_supplicant process " | |
4168 | "already running or the file was\n" | |
4169 | "left by an unclean termination of wpa_supplicant " | |
4170 | "in which case you will need\n" | |
4171 | "to manually remove this file before starting " | |
4172 | "wpa_supplicant again.\n", | |
4173 | wpa_s->conf->ctrl_interface); | |
4174 | return -1; | |
4175 | } | |
4176 | ||
04ea7b79 JM |
4177 | wpa_s->gas = gas_query_init(wpa_s); |
4178 | if (wpa_s->gas == NULL) { | |
4179 | wpa_printf(MSG_ERROR, "Failed to initialize GAS query"); | |
4180 | return -1; | |
4181 | } | |
4182 | ||
c68f6200 | 4183 | if (iface->p2p_mgmt && wpas_p2p_init(wpa_s->global, wpa_s) < 0) { |
f049052b | 4184 | wpa_msg(wpa_s, MSG_ERROR, "Failed to init P2P"); |
b22128ef JM |
4185 | return -1; |
4186 | } | |
b22128ef | 4187 | |
83922c2d JM |
4188 | if (wpa_bss_init(wpa_s) < 0) |
4189 | return -1; | |
83922c2d | 4190 | |
e4fa8b12 EP |
4191 | /* |
4192 | * Set Wake-on-WLAN triggers, if configured. | |
4193 | * Note: We don't restore/remove the triggers on shutdown (it doesn't | |
4194 | * have effect anyway when the interface is down). | |
4195 | */ | |
6cbdb0c5 | 4196 | if (capa_res == 0 && wpas_set_wowlan_triggers(wpa_s, &capa) < 0) |
e4fa8b12 EP |
4197 | return -1; |
4198 | ||
ec7b97ab JM |
4199 | #ifdef CONFIG_EAP_PROXY |
4200 | { | |
4201 | size_t len; | |
07041c6f NJ |
4202 | wpa_s->mnc_len = eapol_sm_get_eap_proxy_imsi(wpa_s->eapol, wpa_s->imsi, |
4203 | &len); | |
ec7b97ab JM |
4204 | if (wpa_s->mnc_len > 0) { |
4205 | wpa_s->imsi[len] = '\0'; | |
4206 | wpa_printf(MSG_DEBUG, "eap_proxy: IMSI %s (MNC length %d)", | |
4207 | wpa_s->imsi, wpa_s->mnc_len); | |
4208 | } else { | |
4209 | wpa_printf(MSG_DEBUG, "eap_proxy: IMSI not available"); | |
4210 | } | |
4211 | } | |
4212 | #endif /* CONFIG_EAP_PROXY */ | |
4213 | ||
f64adcd7 JM |
4214 | if (pcsc_reader_init(wpa_s) < 0) |
4215 | return -1; | |
4216 | ||
306ae225 JM |
4217 | if (wpas_init_ext_pw(wpa_s) < 0) |
4218 | return -1; | |
4219 | ||
b361d580 AK |
4220 | wpas_rrm_reset(wpa_s); |
4221 | ||
6fc6879b JM |
4222 | return 0; |
4223 | } | |
4224 | ||
4225 | ||
2ee055b3 | 4226 | static void wpa_supplicant_deinit_iface(struct wpa_supplicant *wpa_s, |
df509539 | 4227 | int notify, int terminate) |
6fc6879b | 4228 | { |
26fc96e8 JM |
4229 | struct wpa_global *global = wpa_s->global; |
4230 | struct wpa_supplicant *iface, *prev; | |
4231 | ||
4232 | if (wpa_s == wpa_s->parent) | |
4233 | wpas_p2p_group_remove(wpa_s, "*"); | |
4234 | ||
4235 | iface = global->ifaces; | |
4236 | while (iface) { | |
4237 | if (iface == wpa_s || iface->parent != wpa_s) { | |
4238 | iface = iface->next; | |
4239 | continue; | |
4240 | } | |
4241 | wpa_printf(MSG_DEBUG, | |
4242 | "Remove remaining child interface %s from parent %s", | |
4243 | iface->ifname, wpa_s->ifname); | |
4244 | prev = iface; | |
4245 | iface = iface->next; | |
4246 | wpa_supplicant_remove_iface(global, prev, terminate); | |
4247 | } | |
4248 | ||
e679f140 | 4249 | wpa_s->disconnected = 1; |
6fc6879b JM |
4250 | if (wpa_s->drv_priv) { |
4251 | wpa_supplicant_deauthenticate(wpa_s, | |
4252 | WLAN_REASON_DEAUTH_LEAVING); | |
4253 | ||
6fc6879b JM |
4254 | wpa_drv_set_countermeasures(wpa_s, 0); |
4255 | wpa_clear_keys(wpa_s, NULL); | |
4256 | } | |
4257 | ||
8e56d189 | 4258 | wpa_supplicant_cleanup(wpa_s); |
bd10d938 | 4259 | wpas_p2p_deinit_iface(wpa_s); |
ab28911d | 4260 | |
1f965e62 | 4261 | wpas_ctrl_radio_work_flush(wpa_s); |
202dec2a JM |
4262 | radio_remove_interface(wpa_s); |
4263 | ||
6fc6879b JM |
4264 | if (wpa_s->drv_priv) |
4265 | wpa_drv_deinit(wpa_s); | |
2523ff6e DS |
4266 | |
4267 | if (notify) | |
4268 | wpas_notify_iface_removed(wpa_s); | |
f0811516 DS |
4269 | |
4270 | if (terminate) | |
4271 | wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_TERMINATING); | |
4272 | ||
4273 | if (wpa_s->ctrl_iface) { | |
4274 | wpa_supplicant_ctrl_iface_deinit(wpa_s->ctrl_iface); | |
4275 | wpa_s->ctrl_iface = NULL; | |
4276 | } | |
4277 | ||
603a3f34 JL |
4278 | #ifdef CONFIG_MESH |
4279 | if (wpa_s->ifmsh) { | |
4280 | wpa_supplicant_mesh_iface_deinit(wpa_s, wpa_s->ifmsh); | |
4281 | wpa_s->ifmsh = NULL; | |
4282 | } | |
4283 | #endif /* CONFIG_MESH */ | |
4284 | ||
f0811516 DS |
4285 | if (wpa_s->conf != NULL) { |
4286 | wpa_config_free(wpa_s->conf); | |
4287 | wpa_s->conf = NULL; | |
4288 | } | |
18e00b5e JM |
4289 | |
4290 | os_free(wpa_s); | |
6fc6879b JM |
4291 | } |
4292 | ||
4293 | ||
4294 | /** | |
4295 | * wpa_supplicant_add_iface - Add a new network interface | |
4296 | * @global: Pointer to global data from wpa_supplicant_init() | |
4297 | * @iface: Interface configuration options | |
1772d348 | 4298 | * @parent: Parent interface or %NULL to assign new interface as parent |
6fc6879b JM |
4299 | * Returns: Pointer to the created interface or %NULL on failure |
4300 | * | |
4301 | * This function is used to add new network interfaces for %wpa_supplicant. | |
4302 | * This can be called before wpa_supplicant_run() to add interfaces before the | |
4303 | * main event loop has been started. In addition, new interfaces can be added | |
4304 | * dynamically while %wpa_supplicant is already running. This could happen, | |
4305 | * e.g., when a hotplug network adapter is inserted. | |
4306 | */ | |
4307 | struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global, | |
1772d348 JM |
4308 | struct wpa_interface *iface, |
4309 | struct wpa_supplicant *parent) | |
6fc6879b JM |
4310 | { |
4311 | struct wpa_supplicant *wpa_s; | |
d27df100 | 4312 | struct wpa_interface t_iface; |
8e56d189 | 4313 | struct wpa_ssid *ssid; |
6fc6879b JM |
4314 | |
4315 | if (global == NULL || iface == NULL) | |
4316 | return NULL; | |
4317 | ||
1772d348 | 4318 | wpa_s = wpa_supplicant_alloc(parent); |
6fc6879b JM |
4319 | if (wpa_s == NULL) |
4320 | return NULL; | |
4321 | ||
d8222ae3 JM |
4322 | wpa_s->global = global; |
4323 | ||
d27df100 JM |
4324 | t_iface = *iface; |
4325 | if (global->params.override_driver) { | |
4326 | wpa_printf(MSG_DEBUG, "Override interface parameter: driver " | |
4327 | "('%s' -> '%s')", | |
4328 | iface->driver, global->params.override_driver); | |
4329 | t_iface.driver = global->params.override_driver; | |
4330 | } | |
4331 | if (global->params.override_ctrl_interface) { | |
4332 | wpa_printf(MSG_DEBUG, "Override interface parameter: " | |
4333 | "ctrl_interface ('%s' -> '%s')", | |
4334 | iface->ctrl_interface, | |
4335 | global->params.override_ctrl_interface); | |
4336 | t_iface.ctrl_interface = | |
4337 | global->params.override_ctrl_interface; | |
4338 | } | |
4339 | if (wpa_supplicant_init_iface(wpa_s, &t_iface)) { | |
6fc6879b JM |
4340 | wpa_printf(MSG_DEBUG, "Failed to add interface %s", |
4341 | iface->ifname); | |
df509539 | 4342 | wpa_supplicant_deinit_iface(wpa_s, 0, 0); |
6fc6879b JM |
4343 | return NULL; |
4344 | } | |
4345 | ||
21efc940 TB |
4346 | if (iface->p2p_mgmt == 0) { |
4347 | /* Notify the control interfaces about new iface */ | |
4348 | if (wpas_notify_iface_added(wpa_s)) { | |
4349 | wpa_supplicant_deinit_iface(wpa_s, 1, 0); | |
4350 | return NULL; | |
4351 | } | |
1bd3f426 | 4352 | |
21efc940 TB |
4353 | for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) |
4354 | wpas_notify_network_added(wpa_s, ssid); | |
4355 | } | |
8e56d189 | 4356 | |
6fc6879b JM |
4357 | wpa_s->next = global->ifaces; |
4358 | global->ifaces = wpa_s; | |
4359 | ||
f049052b | 4360 | wpa_dbg(wpa_s, MSG_DEBUG, "Added interface %s", wpa_s->ifname); |
99218999 | 4361 | wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); |
6fc6879b | 4362 | |
c3c4b3ed JM |
4363 | #ifdef CONFIG_P2P |
4364 | if (wpa_s->global->p2p == NULL && | |
4365 | (wpa_s->drv_flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE) && | |
4366 | wpas_p2p_add_p2pdev_interface(wpa_s, iface->conf_p2p_dev) < 0) { | |
4367 | wpa_printf(MSG_INFO, | |
4368 | "P2P: Failed to enable P2P Device interface"); | |
4369 | /* Try to continue without. P2P will be disabled. */ | |
4370 | } | |
4371 | #endif /* CONFIG_P2P */ | |
4372 | ||
6fc6879b JM |
4373 | return wpa_s; |
4374 | } | |
4375 | ||
4376 | ||
4377 | /** | |
4378 | * wpa_supplicant_remove_iface - Remove a network interface | |
4379 | * @global: Pointer to global data from wpa_supplicant_init() | |
4380 | * @wpa_s: Pointer to the network interface to be removed | |
4381 | * Returns: 0 if interface was removed, -1 if interface was not found | |
4382 | * | |
4383 | * This function can be used to dynamically remove network interfaces from | |
4384 | * %wpa_supplicant, e.g., when a hotplug network adapter is ejected. In | |
4385 | * addition, this function is used to remove all remaining interfaces when | |
4386 | * %wpa_supplicant is terminated. | |
4387 | */ | |
4388 | int wpa_supplicant_remove_iface(struct wpa_global *global, | |
df509539 DS |
4389 | struct wpa_supplicant *wpa_s, |
4390 | int terminate) | |
6fc6879b JM |
4391 | { |
4392 | struct wpa_supplicant *prev; | |
5b78493f MH |
4393 | #ifdef CONFIG_MESH |
4394 | unsigned int mesh_if_created = wpa_s->mesh_if_created; | |
4395 | char *ifname = NULL; | |
4396 | #endif /* CONFIG_MESH */ | |
6fc6879b JM |
4397 | |
4398 | /* Remove interface from the global list of interfaces */ | |
4399 | prev = global->ifaces; | |
4400 | if (prev == wpa_s) { | |
4401 | global->ifaces = wpa_s->next; | |
4402 | } else { | |
4403 | while (prev && prev->next != wpa_s) | |
4404 | prev = prev->next; | |
4405 | if (prev == NULL) | |
4406 | return -1; | |
4407 | prev->next = wpa_s->next; | |
4408 | } | |
4409 | ||
f049052b | 4410 | wpa_dbg(wpa_s, MSG_DEBUG, "Removing interface %s", wpa_s->ifname); |
6fc6879b | 4411 | |
5b78493f MH |
4412 | #ifdef CONFIG_MESH |
4413 | if (mesh_if_created) { | |
4414 | ifname = os_strdup(wpa_s->ifname); | |
4415 | if (ifname == NULL) { | |
4416 | wpa_dbg(wpa_s, MSG_ERROR, | |
4417 | "mesh: Failed to malloc ifname"); | |
4418 | return -1; | |
4419 | } | |
4420 | } | |
4421 | #endif /* CONFIG_MESH */ | |
4422 | ||
b22128ef JM |
4423 | if (global->p2p_group_formation == wpa_s) |
4424 | global->p2p_group_formation = NULL; | |
dbca75f8 JM |
4425 | if (global->p2p_invite_group == wpa_s) |
4426 | global->p2p_invite_group = NULL; | |
df509539 | 4427 | wpa_supplicant_deinit_iface(wpa_s, 1, terminate); |
6fc6879b | 4428 | |
5b78493f MH |
4429 | #ifdef CONFIG_MESH |
4430 | if (mesh_if_created) { | |
4431 | wpa_drv_if_remove(global->ifaces, WPA_IF_MESH, ifname); | |
4432 | os_free(ifname); | |
4433 | } | |
4434 | #endif /* CONFIG_MESH */ | |
4435 | ||
6fc6879b JM |
4436 | return 0; |
4437 | } | |
4438 | ||
4439 | ||
cf83fb0b PS |
4440 | /** |
4441 | * wpa_supplicant_get_eap_mode - Get the current EAP mode | |
4442 | * @wpa_s: Pointer to the network interface | |
4443 | * Returns: Pointer to the eap mode or the string "UNKNOWN" if not found | |
4444 | */ | |
4445 | const char * wpa_supplicant_get_eap_mode(struct wpa_supplicant *wpa_s) | |
4446 | { | |
4447 | const char *eapol_method; | |
4448 | ||
4449 | if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) == 0 && | |
4450 | wpa_s->key_mgmt != WPA_KEY_MGMT_IEEE8021X_NO_WPA) { | |
4451 | return "NO-EAP"; | |
4452 | } | |
4453 | ||
4454 | eapol_method = eapol_sm_get_method_name(wpa_s->eapol); | |
4455 | if (eapol_method == NULL) | |
4456 | return "UNKNOWN-EAP"; | |
4457 | ||
4458 | return eapol_method; | |
4459 | } | |
4460 | ||
4461 | ||
6fc6879b JM |
4462 | /** |
4463 | * wpa_supplicant_get_iface - Get a new network interface | |
4464 | * @global: Pointer to global data from wpa_supplicant_init() | |
4465 | * @ifname: Interface name | |
4466 | * Returns: Pointer to the interface or %NULL if not found | |
4467 | */ | |
4468 | struct wpa_supplicant * wpa_supplicant_get_iface(struct wpa_global *global, | |
4469 | const char *ifname) | |
4470 | { | |
4471 | struct wpa_supplicant *wpa_s; | |
4472 | ||
4473 | for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) { | |
4474 | if (os_strcmp(wpa_s->ifname, ifname) == 0) | |
4475 | return wpa_s; | |
4476 | } | |
4477 | return NULL; | |
4478 | } | |
4479 | ||
4480 | ||
50b16da1 | 4481 | #ifndef CONFIG_NO_WPA_MSG |
4f1495ae BG |
4482 | static const char * wpa_supplicant_msg_ifname_cb(void *ctx) |
4483 | { | |
4484 | struct wpa_supplicant *wpa_s = ctx; | |
4485 | if (wpa_s == NULL) | |
4486 | return NULL; | |
4487 | return wpa_s->ifname; | |
4488 | } | |
50b16da1 | 4489 | #endif /* CONFIG_NO_WPA_MSG */ |
4f1495ae BG |
4490 | |
4491 | ||
6fc6879b JM |
4492 | /** |
4493 | * wpa_supplicant_init - Initialize %wpa_supplicant | |
4494 | * @params: Parameters for %wpa_supplicant | |
4495 | * Returns: Pointer to global %wpa_supplicant data, or %NULL on failure | |
4496 | * | |
4497 | * This function is used to initialize %wpa_supplicant. After successful | |
4498 | * initialization, the returned data pointer can be used to add and remove | |
4499 | * network interfaces, and eventually, to deinitialize %wpa_supplicant. | |
4500 | */ | |
4501 | struct wpa_global * wpa_supplicant_init(struct wpa_params *params) | |
4502 | { | |
4503 | struct wpa_global *global; | |
ac305589 | 4504 | int ret, i; |
6fc6879b JM |
4505 | |
4506 | if (params == NULL) | |
4507 | return NULL; | |
4508 | ||
39e7d718 JM |
4509 | #ifdef CONFIG_DRIVER_NDIS |
4510 | { | |
4511 | void driver_ndis_init_ops(void); | |
4512 | driver_ndis_init_ops(); | |
4513 | } | |
4514 | #endif /* CONFIG_DRIVER_NDIS */ | |
4515 | ||
50b16da1 | 4516 | #ifndef CONFIG_NO_WPA_MSG |
4f1495ae | 4517 | wpa_msg_register_ifname_cb(wpa_supplicant_msg_ifname_cb); |
50b16da1 | 4518 | #endif /* CONFIG_NO_WPA_MSG */ |
4f1495ae | 4519 | |
f4637fe0 JM |
4520 | if (params->wpa_debug_file_path) |
4521 | wpa_debug_open_file(params->wpa_debug_file_path); | |
4522 | else | |
4523 | wpa_debug_setup_stdout(); | |
daa70d49 SL |
4524 | if (params->wpa_debug_syslog) |
4525 | wpa_debug_open_syslog(); | |
4f68895e JB |
4526 | if (params->wpa_debug_tracing) { |
4527 | ret = wpa_debug_open_linux_tracing(); | |
4528 | if (ret) { | |
4529 | wpa_printf(MSG_ERROR, | |
4530 | "Failed to enable trace logging"); | |
4531 | return NULL; | |
4532 | } | |
4533 | } | |
6fc6879b | 4534 | |
12760815 | 4535 | ret = eap_register_methods(); |
6fc6879b JM |
4536 | if (ret) { |
4537 | wpa_printf(MSG_ERROR, "Failed to register EAP methods"); | |
4538 | if (ret == -2) | |
4539 | wpa_printf(MSG_ERROR, "Two or more EAP methods used " | |
4540 | "the same EAP type."); | |
4541 | return NULL; | |
4542 | } | |
4543 | ||
4544 | global = os_zalloc(sizeof(*global)); | |
4545 | if (global == NULL) | |
4546 | return NULL; | |
b22128ef JM |
4547 | dl_list_init(&global->p2p_srv_bonjour); |
4548 | dl_list_init(&global->p2p_srv_upnp); | |
6fc6879b JM |
4549 | global->params.daemonize = params->daemonize; |
4550 | global->params.wait_for_monitor = params->wait_for_monitor; | |
4551 | global->params.dbus_ctrl_interface = params->dbus_ctrl_interface; | |
4552 | if (params->pid_file) | |
4553 | global->params.pid_file = os_strdup(params->pid_file); | |
4554 | if (params->ctrl_interface) | |
4555 | global->params.ctrl_interface = | |
4556 | os_strdup(params->ctrl_interface); | |
29257565 JM |
4557 | if (params->ctrl_interface_group) |
4558 | global->params.ctrl_interface_group = | |
4559 | os_strdup(params->ctrl_interface_group); | |
d27df100 JM |
4560 | if (params->override_driver) |
4561 | global->params.override_driver = | |
4562 | os_strdup(params->override_driver); | |
4563 | if (params->override_ctrl_interface) | |
4564 | global->params.override_ctrl_interface = | |
4565 | os_strdup(params->override_ctrl_interface); | |
6fc6879b JM |
4566 | wpa_debug_level = global->params.wpa_debug_level = |
4567 | params->wpa_debug_level; | |
4568 | wpa_debug_show_keys = global->params.wpa_debug_show_keys = | |
4569 | params->wpa_debug_show_keys; | |
4570 | wpa_debug_timestamp = global->params.wpa_debug_timestamp = | |
4571 | params->wpa_debug_timestamp; | |
4572 | ||
f19858f5 JM |
4573 | wpa_printf(MSG_DEBUG, "wpa_supplicant v" VERSION_STR); |
4574 | ||
0456ea16 | 4575 | if (eloop_init()) { |
6fc6879b JM |
4576 | wpa_printf(MSG_ERROR, "Failed to initialize event loop"); |
4577 | wpa_supplicant_deinit(global); | |
4578 | return NULL; | |
4579 | } | |
4580 | ||
38e24575 | 4581 | random_init(params->entropy_file); |
d47fa330 | 4582 | |
6fc6879b JM |
4583 | global->ctrl_iface = wpa_supplicant_global_ctrl_iface_init(global); |
4584 | if (global->ctrl_iface == NULL) { | |
4585 | wpa_supplicant_deinit(global); | |
4586 | return NULL; | |
4587 | } | |
4588 | ||
dc461de4 WS |
4589 | if (wpas_notify_supplicant_initialized(global)) { |
4590 | wpa_supplicant_deinit(global); | |
4591 | return NULL; | |
6fc6879b JM |
4592 | } |
4593 | ||
c5121837 | 4594 | for (i = 0; wpa_drivers[i]; i++) |
ac305589 JM |
4595 | global->drv_count++; |
4596 | if (global->drv_count == 0) { | |
4597 | wpa_printf(MSG_ERROR, "No drivers enabled"); | |
4598 | wpa_supplicant_deinit(global); | |
4599 | return NULL; | |
4600 | } | |
faebdeaa | 4601 | global->drv_priv = os_calloc(global->drv_count, sizeof(void *)); |
ac305589 JM |
4602 | if (global->drv_priv == NULL) { |
4603 | wpa_supplicant_deinit(global); | |
4604 | return NULL; | |
4605 | } | |
ac305589 | 4606 | |
9675ce35 JM |
4607 | #ifdef CONFIG_WIFI_DISPLAY |
4608 | if (wifi_display_init(global) < 0) { | |
4609 | wpa_printf(MSG_ERROR, "Failed to initialize Wi-Fi Display"); | |
4610 | wpa_supplicant_deinit(global); | |
4611 | return NULL; | |
4612 | } | |
4613 | #endif /* CONFIG_WIFI_DISPLAY */ | |
4614 | ||
6fc6879b JM |
4615 | return global; |
4616 | } | |
4617 | ||
4618 | ||
4619 | /** | |
4620 | * wpa_supplicant_run - Run the %wpa_supplicant main event loop | |
4621 | * @global: Pointer to global data from wpa_supplicant_init() | |
4622 | * Returns: 0 after successful event loop run, -1 on failure | |
4623 | * | |
4624 | * This function starts the main event loop and continues running as long as | |
4625 | * there are any remaining events. In most cases, this function is running as | |
4626 | * long as the %wpa_supplicant process in still in use. | |
4627 | */ | |
4628 | int wpa_supplicant_run(struct wpa_global *global) | |
4629 | { | |
4630 | struct wpa_supplicant *wpa_s; | |
4631 | ||
4632 | if (global->params.daemonize && | |
4633 | wpa_supplicant_daemon(global->params.pid_file)) | |
4634 | return -1; | |
4635 | ||
4636 | if (global->params.wait_for_monitor) { | |
4637 | for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) | |
4638 | if (wpa_s->ctrl_iface) | |
4639 | wpa_supplicant_ctrl_iface_wait( | |
4640 | wpa_s->ctrl_iface); | |
4641 | } | |
4642 | ||
0456ea16 JM |
4643 | eloop_register_signal_terminate(wpa_supplicant_terminate, global); |
4644 | eloop_register_signal_reconfig(wpa_supplicant_reconfig, global); | |
6fc6879b JM |
4645 | |
4646 | eloop_run(); | |
4647 | ||
4648 | return 0; | |
4649 | } | |
4650 | ||
4651 | ||
4652 | /** | |
4653 | * wpa_supplicant_deinit - Deinitialize %wpa_supplicant | |
4654 | * @global: Pointer to global data from wpa_supplicant_init() | |
4655 | * | |
4656 | * This function is called to deinitialize %wpa_supplicant and to free all | |
4657 | * allocated resources. Remaining network interfaces will also be removed. | |
4658 | */ | |
4659 | void wpa_supplicant_deinit(struct wpa_global *global) | |
4660 | { | |
ac305589 JM |
4661 | int i; |
4662 | ||
6fc6879b JM |
4663 | if (global == NULL) |
4664 | return; | |
4665 | ||
9675ce35 JM |
4666 | #ifdef CONFIG_WIFI_DISPLAY |
4667 | wifi_display_deinit(global); | |
4668 | #endif /* CONFIG_WIFI_DISPLAY */ | |
b22128ef | 4669 | |
6fc6879b | 4670 | while (global->ifaces) |
df509539 | 4671 | wpa_supplicant_remove_iface(global, global->ifaces, 1); |
6fc6879b JM |
4672 | |
4673 | if (global->ctrl_iface) | |
4674 | wpa_supplicant_global_ctrl_iface_deinit(global->ctrl_iface); | |
dc461de4 WS |
4675 | |
4676 | wpas_notify_supplicant_deinitialized(global); | |
6fc6879b JM |
4677 | |
4678 | eap_peer_unregister_methods(); | |
3ec97afe JM |
4679 | #ifdef CONFIG_AP |
4680 | eap_server_unregister_methods(); | |
4681 | #endif /* CONFIG_AP */ | |
6fc6879b | 4682 | |
c5121837 | 4683 | for (i = 0; wpa_drivers[i] && global->drv_priv; i++) { |
ac305589 JM |
4684 | if (!global->drv_priv[i]) |
4685 | continue; | |
c5121837 | 4686 | wpa_drivers[i]->global_deinit(global->drv_priv[i]); |
ac305589 JM |
4687 | } |
4688 | os_free(global->drv_priv); | |
4689 | ||
d47fa330 JM |
4690 | random_deinit(); |
4691 | ||
6fc6879b JM |
4692 | eloop_destroy(); |
4693 | ||
4694 | if (global->params.pid_file) { | |
4695 | os_daemonize_terminate(global->params.pid_file); | |
4696 | os_free(global->params.pid_file); | |
4697 | } | |
4698 | os_free(global->params.ctrl_interface); | |
29257565 | 4699 | os_free(global->params.ctrl_interface_group); |
d27df100 JM |
4700 | os_free(global->params.override_driver); |
4701 | os_free(global->params.override_ctrl_interface); | |
6fc6879b | 4702 | |
af8a827b | 4703 | os_free(global->p2p_disallow_freq.range); |
253f2e37 | 4704 | os_free(global->p2p_go_avoid_freq.range); |
01a57fe4 | 4705 | os_free(global->add_psk); |
6f3bc72b | 4706 | |
6fc6879b | 4707 | os_free(global); |
daa70d49 | 4708 | wpa_debug_close_syslog(); |
6fc6879b | 4709 | wpa_debug_close_file(); |
4f68895e | 4710 | wpa_debug_close_linux_tracing(); |
6fc6879b | 4711 | } |
611aea7d JM |
4712 | |
4713 | ||
4714 | void wpa_supplicant_update_config(struct wpa_supplicant *wpa_s) | |
4715 | { | |
849b5dc7 JM |
4716 | if ((wpa_s->conf->changed_parameters & CFG_CHANGED_COUNTRY) && |
4717 | wpa_s->conf->country[0] && wpa_s->conf->country[1]) { | |
4718 | char country[3]; | |
4719 | country[0] = wpa_s->conf->country[0]; | |
4720 | country[1] = wpa_s->conf->country[1]; | |
4721 | country[2] = '\0'; | |
4722 | if (wpa_drv_set_country(wpa_s, country) < 0) { | |
4723 | wpa_printf(MSG_ERROR, "Failed to set country code " | |
4724 | "'%s'", country); | |
4725 | } | |
4726 | } | |
4727 | ||
306ae225 JM |
4728 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_EXT_PW_BACKEND) |
4729 | wpas_init_ext_pw(wpa_s); | |
4730 | ||
611aea7d JM |
4731 | #ifdef CONFIG_WPS |
4732 | wpas_wps_update_config(wpa_s); | |
4733 | #endif /* CONFIG_WPS */ | |
b22128ef | 4734 | wpas_p2p_update_config(wpa_s); |
611aea7d JM |
4735 | wpa_s->conf->changed_parameters = 0; |
4736 | } | |
2f9c6aa6 JM |
4737 | |
4738 | ||
e1117c1c | 4739 | void add_freq(int *freqs, int *num_freqs, int freq) |
0fb337c1 JM |
4740 | { |
4741 | int i; | |
4742 | ||
4743 | for (i = 0; i < *num_freqs; i++) { | |
4744 | if (freqs[i] == freq) | |
4745 | return; | |
4746 | } | |
4747 | ||
4748 | freqs[*num_freqs] = freq; | |
4749 | (*num_freqs)++; | |
4750 | } | |
4751 | ||
4752 | ||
4753 | static int * get_bss_freqs_in_ess(struct wpa_supplicant *wpa_s) | |
4754 | { | |
4755 | struct wpa_bss *bss, *cbss; | |
4756 | const int max_freqs = 10; | |
4757 | int *freqs; | |
4758 | int num_freqs = 0; | |
4759 | ||
faebdeaa | 4760 | freqs = os_calloc(max_freqs + 1, sizeof(int)); |
0fb337c1 JM |
4761 | if (freqs == NULL) |
4762 | return NULL; | |
4763 | ||
4764 | cbss = wpa_s->current_bss; | |
4765 | ||
4766 | dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { | |
4767 | if (bss == cbss) | |
4768 | continue; | |
4769 | if (bss->ssid_len == cbss->ssid_len && | |
4770 | os_memcmp(bss->ssid, cbss->ssid, bss->ssid_len) == 0 && | |
4771 | wpa_blacklist_get(wpa_s, bss->bssid) == NULL) { | |
4772 | add_freq(freqs, &num_freqs, bss->freq); | |
4773 | if (num_freqs == max_freqs) | |
4774 | break; | |
4775 | } | |
4776 | } | |
4777 | ||
4778 | if (num_freqs == 0) { | |
4779 | os_free(freqs); | |
4780 | freqs = NULL; | |
4781 | } | |
4782 | ||
4783 | return freqs; | |
4784 | } | |
4785 | ||
4786 | ||
4787 | void wpas_connection_failed(struct wpa_supplicant *wpa_s, const u8 *bssid) | |
4788 | { | |
4789 | int timeout; | |
4790 | int count; | |
4791 | int *freqs = NULL; | |
4792 | ||
6ac4b15e JM |
4793 | wpas_connect_work_done(wpa_s); |
4794 | ||
5fd9fb27 JM |
4795 | /* |
4796 | * Remove possible authentication timeout since the connection failed. | |
4797 | */ | |
4798 | eloop_cancel_timeout(wpa_supplicant_timeout, wpa_s, NULL); | |
4799 | ||
c2805909 JM |
4800 | /* |
4801 | * There is no point in blacklisting the AP if this event is | |
4802 | * generated based on local request to disconnect. | |
4803 | */ | |
4804 | if (wpa_s->own_disconnect_req) { | |
4805 | wpa_s->own_disconnect_req = 0; | |
4806 | wpa_dbg(wpa_s, MSG_DEBUG, | |
4807 | "Ignore connection failure due to local request to disconnect"); | |
4808 | return; | |
4809 | } | |
0cdb93fe | 4810 | if (wpa_s->disconnected) { |
0cdb93fe JM |
4811 | wpa_dbg(wpa_s, MSG_DEBUG, "Ignore connection failure " |
4812 | "indication since interface has been put into " | |
4813 | "disconnected state"); | |
4814 | return; | |
4815 | } | |
4816 | ||
0fb337c1 JM |
4817 | /* |
4818 | * Add the failed BSSID into the blacklist and speed up next scan | |
4819 | * attempt if there could be other APs that could accept association. | |
4820 | * The current blacklist count indicates how many times we have tried | |
4821 | * connecting to this AP and multiple attempts mean that other APs are | |
4822 | * either not available or has already been tried, so that we can start | |
4823 | * increasing the delay here to avoid constant scanning. | |
4824 | */ | |
4825 | count = wpa_blacklist_add(wpa_s, bssid); | |
4826 | if (count == 1 && wpa_s->current_bss) { | |
4827 | /* | |
4828 | * This BSS was not in the blacklist before. If there is | |
4829 | * another BSS available for the same ESS, we should try that | |
4830 | * next. Otherwise, we may as well try this one once more | |
4831 | * before allowing other, likely worse, ESSes to be considered. | |
4832 | */ | |
4833 | freqs = get_bss_freqs_in_ess(wpa_s); | |
4834 | if (freqs) { | |
f049052b BG |
4835 | wpa_dbg(wpa_s, MSG_DEBUG, "Another BSS in this ESS " |
4836 | "has been seen; try it next"); | |
0fb337c1 JM |
4837 | wpa_blacklist_add(wpa_s, bssid); |
4838 | /* | |
4839 | * On the next scan, go through only the known channels | |
4840 | * used in this ESS based on previous scans to speed up | |
4841 | * common load balancing use case. | |
4842 | */ | |
4843 | os_free(wpa_s->next_scan_freqs); | |
4844 | wpa_s->next_scan_freqs = freqs; | |
4845 | } | |
4846 | } | |
4847 | ||
f1a52633 JM |
4848 | /* |
4849 | * Add previous failure count in case the temporary blacklist was | |
4850 | * cleared due to no other BSSes being available. | |
4851 | */ | |
4852 | count += wpa_s->extra_blacklist_count; | |
4853 | ||
dd579704 JM |
4854 | if (count > 3 && wpa_s->current_ssid) { |
4855 | wpa_printf(MSG_DEBUG, "Continuous association failures - " | |
4856 | "consider temporary network disabling"); | |
b19c098e | 4857 | wpas_auth_failed(wpa_s, "CONN_FAILED"); |
dd579704 JM |
4858 | } |
4859 | ||
0fb337c1 JM |
4860 | switch (count) { |
4861 | case 1: | |
4862 | timeout = 100; | |
4863 | break; | |
4864 | case 2: | |
4865 | timeout = 500; | |
4866 | break; | |
4867 | case 3: | |
4868 | timeout = 1000; | |
4869 | break; | |
f1a52633 | 4870 | case 4: |
0fb337c1 | 4871 | timeout = 5000; |
f1a52633 JM |
4872 | break; |
4873 | default: | |
4874 | timeout = 10000; | |
4875 | break; | |
0fb337c1 JM |
4876 | } |
4877 | ||
f1a52633 JM |
4878 | wpa_dbg(wpa_s, MSG_DEBUG, "Blacklist count %d --> request scan in %d " |
4879 | "ms", count, timeout); | |
4880 | ||
0fb337c1 JM |
4881 | /* |
4882 | * TODO: if more than one possible AP is available in scan results, | |
4883 | * could try the other ones before requesting a new scan. | |
4884 | */ | |
4885 | wpa_supplicant_req_scan(wpa_s, timeout / 1000, | |
4886 | 1000 * (timeout % 1000)); | |
4887 | } | |
22628eca JM |
4888 | |
4889 | ||
4890 | int wpas_driver_bss_selection(struct wpa_supplicant *wpa_s) | |
4891 | { | |
4892 | return wpa_s->conf->ap_scan == 2 || | |
4893 | (wpa_s->drv_flags & WPA_DRIVER_FLAGS_BSS_SELECTION); | |
4894 | } | |
d2118814 JM |
4895 | |
4896 | ||
4897 | #if defined(CONFIG_CTRL_IFACE) || defined(CONFIG_CTRL_IFACE_DBUS_NEW) | |
4898 | int wpa_supplicant_ctrl_iface_ctrl_rsp_handle(struct wpa_supplicant *wpa_s, | |
4899 | struct wpa_ssid *ssid, | |
4900 | const char *field, | |
4901 | const char *value) | |
4902 | { | |
4903 | #ifdef IEEE8021X_EAPOL | |
4904 | struct eap_peer_config *eap = &ssid->eap; | |
4905 | ||
4906 | wpa_printf(MSG_DEBUG, "CTRL_IFACE: response handle field=%s", field); | |
4907 | wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: response value", | |
4908 | (const u8 *) value, os_strlen(value)); | |
4909 | ||
4910 | switch (wpa_supplicant_ctrl_req_from_string(field)) { | |
4911 | case WPA_CTRL_REQ_EAP_IDENTITY: | |
4912 | os_free(eap->identity); | |
4913 | eap->identity = (u8 *) os_strdup(value); | |
4914 | eap->identity_len = os_strlen(value); | |
4915 | eap->pending_req_identity = 0; | |
4916 | if (ssid == wpa_s->current_ssid) | |
4917 | wpa_s->reassociate = 1; | |
4918 | break; | |
4919 | case WPA_CTRL_REQ_EAP_PASSWORD: | |
19c48da0 | 4920 | bin_clear_free(eap->password, eap->password_len); |
d2118814 JM |
4921 | eap->password = (u8 *) os_strdup(value); |
4922 | eap->password_len = os_strlen(value); | |
4923 | eap->pending_req_password = 0; | |
4924 | if (ssid == wpa_s->current_ssid) | |
4925 | wpa_s->reassociate = 1; | |
4926 | break; | |
4927 | case WPA_CTRL_REQ_EAP_NEW_PASSWORD: | |
19c48da0 | 4928 | bin_clear_free(eap->new_password, eap->new_password_len); |
d2118814 JM |
4929 | eap->new_password = (u8 *) os_strdup(value); |
4930 | eap->new_password_len = os_strlen(value); | |
4931 | eap->pending_req_new_password = 0; | |
4932 | if (ssid == wpa_s->current_ssid) | |
4933 | wpa_s->reassociate = 1; | |
4934 | break; | |
4935 | case WPA_CTRL_REQ_EAP_PIN: | |
19c48da0 | 4936 | str_clear_free(eap->pin); |
d2118814 JM |
4937 | eap->pin = os_strdup(value); |
4938 | eap->pending_req_pin = 0; | |
4939 | if (ssid == wpa_s->current_ssid) | |
4940 | wpa_s->reassociate = 1; | |
4941 | break; | |
4942 | case WPA_CTRL_REQ_EAP_OTP: | |
19c48da0 | 4943 | bin_clear_free(eap->otp, eap->otp_len); |
d2118814 JM |
4944 | eap->otp = (u8 *) os_strdup(value); |
4945 | eap->otp_len = os_strlen(value); | |
4946 | os_free(eap->pending_req_otp); | |
4947 | eap->pending_req_otp = NULL; | |
4948 | eap->pending_req_otp_len = 0; | |
4949 | break; | |
4950 | case WPA_CTRL_REQ_EAP_PASSPHRASE: | |
19c48da0 JM |
4951 | str_clear_free(eap->private_key_passwd); |
4952 | eap->private_key_passwd = os_strdup(value); | |
d2118814 JM |
4953 | eap->pending_req_passphrase = 0; |
4954 | if (ssid == wpa_s->current_ssid) | |
4955 | wpa_s->reassociate = 1; | |
4956 | break; | |
a5d44ac0 | 4957 | case WPA_CTRL_REQ_SIM: |
19c48da0 | 4958 | str_clear_free(eap->external_sim_resp); |
a5d44ac0 JM |
4959 | eap->external_sim_resp = os_strdup(value); |
4960 | break; | |
d2118814 JM |
4961 | default: |
4962 | wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown field '%s'", field); | |
4963 | return -1; | |
4964 | } | |
4965 | ||
4966 | return 0; | |
4967 | #else /* IEEE8021X_EAPOL */ | |
4968 | wpa_printf(MSG_DEBUG, "CTRL_IFACE: IEEE 802.1X not included"); | |
4969 | return -1; | |
4970 | #endif /* IEEE8021X_EAPOL */ | |
4971 | } | |
4972 | #endif /* CONFIG_CTRL_IFACE || CONFIG_CTRL_IFACE_DBUS_NEW */ | |
349493bd JM |
4973 | |
4974 | ||
4975 | int wpas_network_disabled(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid) | |
4976 | { | |
4977 | int i; | |
4978 | unsigned int drv_enc; | |
4979 | ||
44b9ea5b JM |
4980 | if (wpa_s->p2p_mgmt) |
4981 | return 1; /* no normal network profiles on p2p_mgmt interface */ | |
4982 | ||
349493bd JM |
4983 | if (ssid == NULL) |
4984 | return 1; | |
4985 | ||
4986 | if (ssid->disabled) | |
4987 | return 1; | |
4988 | ||
4989 | if (wpa_s && wpa_s->drv_capa_known) | |
4990 | drv_enc = wpa_s->drv_enc; | |
4991 | else | |
4992 | drv_enc = (unsigned int) -1; | |
4993 | ||
4994 | for (i = 0; i < NUM_WEP_KEYS; i++) { | |
4995 | size_t len = ssid->wep_key_len[i]; | |
4996 | if (len == 0) | |
4997 | continue; | |
4998 | if (len == 5 && (drv_enc & WPA_DRIVER_CAPA_ENC_WEP40)) | |
4999 | continue; | |
5000 | if (len == 13 && (drv_enc & WPA_DRIVER_CAPA_ENC_WEP104)) | |
5001 | continue; | |
5002 | if (len == 16 && (drv_enc & WPA_DRIVER_CAPA_ENC_WEP128)) | |
5003 | continue; | |
5004 | return 1; /* invalid WEP key */ | |
5005 | } | |
5006 | ||
9173b16f | 5007 | if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt) && !ssid->psk_set && |
759ff2f0 | 5008 | (!ssid->passphrase || ssid->ssid_len != 0) && !ssid->ext_psk) |
2518aad3 JM |
5009 | return 1; |
5010 | ||
349493bd JM |
5011 | return 0; |
5012 | } | |
b9cfc09a JJ |
5013 | |
5014 | ||
3f56a2b7 JM |
5015 | int wpas_get_ssid_pmf(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid) |
5016 | { | |
5017 | #ifdef CONFIG_IEEE80211W | |
5018 | if (ssid == NULL || ssid->ieee80211w == MGMT_FRAME_PROTECTION_DEFAULT) { | |
5019 | if (wpa_s->conf->pmf == MGMT_FRAME_PROTECTION_OPTIONAL && | |
5020 | !(wpa_s->drv_enc & WPA_DRIVER_CAPA_ENC_BIP)) { | |
5021 | /* | |
5022 | * Driver does not support BIP -- ignore pmf=1 default | |
5023 | * since the connection with PMF would fail and the | |
5024 | * configuration does not require PMF to be enabled. | |
5025 | */ | |
5026 | return NO_MGMT_FRAME_PROTECTION; | |
5027 | } | |
5028 | ||
5029 | return wpa_s->conf->pmf; | |
5030 | } | |
5031 | ||
5032 | return ssid->ieee80211w; | |
5033 | #else /* CONFIG_IEEE80211W */ | |
5034 | return NO_MGMT_FRAME_PROTECTION; | |
5035 | #endif /* CONFIG_IEEE80211W */ | |
5036 | } | |
5037 | ||
5038 | ||
b9cfc09a JJ |
5039 | int wpas_is_p2p_prioritized(struct wpa_supplicant *wpa_s) |
5040 | { | |
5041 | if (wpa_s->global->conc_pref == WPA_CONC_PREF_P2P) | |
5042 | return 1; | |
5043 | if (wpa_s->global->conc_pref == WPA_CONC_PREF_STA) | |
5044 | return 0; | |
5045 | return -1; | |
5046 | } | |
00e5e3d5 JM |
5047 | |
5048 | ||
b19c098e | 5049 | void wpas_auth_failed(struct wpa_supplicant *wpa_s, char *reason) |
00e5e3d5 JM |
5050 | { |
5051 | struct wpa_ssid *ssid = wpa_s->current_ssid; | |
5052 | int dur; | |
4e1eae1d | 5053 | struct os_reltime now; |
00e5e3d5 JM |
5054 | |
5055 | if (ssid == NULL) { | |
5056 | wpa_printf(MSG_DEBUG, "Authentication failure but no known " | |
5057 | "SSID block"); | |
5058 | return; | |
5059 | } | |
5060 | ||
5061 | if (ssid->key_mgmt == WPA_KEY_MGMT_WPS) | |
5062 | return; | |
5063 | ||
5064 | ssid->auth_failures++; | |
cbf41ca7 SL |
5065 | |
5066 | #ifdef CONFIG_P2P | |
5067 | if (ssid->p2p_group && | |
5068 | (wpa_s->p2p_in_provisioning || wpa_s->show_group_started)) { | |
5069 | /* | |
5070 | * Skip the wait time since there is a short timeout on the | |
5071 | * connection to a P2P group. | |
5072 | */ | |
5073 | return; | |
5074 | } | |
5075 | #endif /* CONFIG_P2P */ | |
5076 | ||
00e5e3d5 JM |
5077 | if (ssid->auth_failures > 50) |
5078 | dur = 300; | |
00e5e3d5 | 5079 | else if (ssid->auth_failures > 10) |
8a77f1be | 5080 | dur = 120; |
00e5e3d5 | 5081 | else if (ssid->auth_failures > 5) |
8a77f1be JM |
5082 | dur = 90; |
5083 | else if (ssid->auth_failures > 3) | |
5084 | dur = 60; | |
5085 | else if (ssid->auth_failures > 2) | |
00e5e3d5 JM |
5086 | dur = 30; |
5087 | else if (ssid->auth_failures > 1) | |
5088 | dur = 20; | |
5089 | else | |
5090 | dur = 10; | |
5091 | ||
8a77f1be JM |
5092 | if (ssid->auth_failures > 1 && |
5093 | wpa_key_mgmt_wpa_ieee8021x(ssid->key_mgmt)) | |
5094 | dur += os_random() % (ssid->auth_failures * 10); | |
5095 | ||
4e1eae1d | 5096 | os_get_reltime(&now); |
00e5e3d5 JM |
5097 | if (now.sec + dur <= ssid->disabled_until.sec) |
5098 | return; | |
5099 | ||
5100 | ssid->disabled_until.sec = now.sec + dur; | |
5101 | ||
5102 | wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_TEMP_DISABLED | |
b19c098e | 5103 | "id=%d ssid=\"%s\" auth_failures=%u duration=%d reason=%s", |
00e5e3d5 | 5104 | ssid->id, wpa_ssid_txt(ssid->ssid, ssid->ssid_len), |
b19c098e | 5105 | ssid->auth_failures, dur, reason); |
00e5e3d5 JM |
5106 | } |
5107 | ||
5108 | ||
5109 | void wpas_clear_temp_disabled(struct wpa_supplicant *wpa_s, | |
5110 | struct wpa_ssid *ssid, int clear_failures) | |
5111 | { | |
5112 | if (ssid == NULL) | |
5113 | return; | |
5114 | ||
5115 | if (ssid->disabled_until.sec) { | |
5116 | wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_REENABLED | |
5117 | "id=%d ssid=\"%s\"", | |
5118 | ssid->id, wpa_ssid_txt(ssid->ssid, ssid->ssid_len)); | |
5119 | } | |
5120 | ssid->disabled_until.sec = 0; | |
5121 | ssid->disabled_until.usec = 0; | |
5122 | if (clear_failures) | |
5123 | ssid->auth_failures = 0; | |
5124 | } | |
6407f413 JM |
5125 | |
5126 | ||
5127 | int disallowed_bssid(struct wpa_supplicant *wpa_s, const u8 *bssid) | |
5128 | { | |
5129 | size_t i; | |
5130 | ||
5131 | if (wpa_s->disallow_aps_bssid == NULL) | |
5132 | return 0; | |
5133 | ||
5134 | for (i = 0; i < wpa_s->disallow_aps_bssid_count; i++) { | |
5135 | if (os_memcmp(wpa_s->disallow_aps_bssid + i * ETH_ALEN, | |
5136 | bssid, ETH_ALEN) == 0) | |
5137 | return 1; | |
5138 | } | |
5139 | ||
5140 | return 0; | |
5141 | } | |
5142 | ||
5143 | ||
5144 | int disallowed_ssid(struct wpa_supplicant *wpa_s, const u8 *ssid, | |
5145 | size_t ssid_len) | |
5146 | { | |
5147 | size_t i; | |
5148 | ||
5149 | if (wpa_s->disallow_aps_ssid == NULL || ssid == NULL) | |
5150 | return 0; | |
5151 | ||
5152 | for (i = 0; i < wpa_s->disallow_aps_ssid_count; i++) { | |
5153 | struct wpa_ssid_value *s = &wpa_s->disallow_aps_ssid[i]; | |
5154 | if (ssid_len == s->ssid_len && | |
5155 | os_memcmp(ssid, s->ssid, ssid_len) == 0) | |
5156 | return 1; | |
5157 | } | |
5158 | ||
5159 | return 0; | |
5160 | } | |
9796a86c JM |
5161 | |
5162 | ||
5163 | /** | |
5164 | * wpas_request_connection - Request a new connection | |
5165 | * @wpa_s: Pointer to the network interface | |
5166 | * | |
5167 | * This function is used to request a new connection to be found. It will mark | |
5168 | * the interface to allow reassociation and request a new scan to find a | |
5169 | * suitable network to connect to. | |
5170 | */ | |
5171 | void wpas_request_connection(struct wpa_supplicant *wpa_s) | |
5172 | { | |
5173 | wpa_s->normal_scans = 0; | |
5214f4fa | 5174 | wpa_s->scan_req = NORMAL_SCAN_REQ; |
9796a86c JM |
5175 | wpa_supplicant_reinit_autoscan(wpa_s); |
5176 | wpa_s->extra_blacklist_count = 0; | |
5177 | wpa_s->disconnected = 0; | |
5178 | wpa_s->reassociate = 1; | |
5e24beae MH |
5179 | |
5180 | if (wpa_supplicant_fast_associate(wpa_s) != 1) | |
5181 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
0c5f01fd B |
5182 | else |
5183 | wpa_s->reattach = 0; | |
9796a86c | 5184 | } |
36b9883d DG |
5185 | |
5186 | ||
a0c90bb0 IP |
5187 | void dump_freq_data(struct wpa_supplicant *wpa_s, const char *title, |
5188 | struct wpa_used_freq_data *freqs_data, | |
5189 | unsigned int len) | |
5190 | { | |
5191 | unsigned int i; | |
5192 | ||
5193 | wpa_dbg(wpa_s, MSG_DEBUG, "Shared frequencies (len=%u): %s", | |
5194 | len, title); | |
5195 | for (i = 0; i < len; i++) { | |
5196 | struct wpa_used_freq_data *cur = &freqs_data[i]; | |
5197 | wpa_dbg(wpa_s, MSG_DEBUG, "freq[%u]: %d, flags=0x%X", | |
5198 | i, cur->freq, cur->flags); | |
5199 | } | |
5200 | } | |
5201 | ||
5202 | ||
53c5dfc2 IP |
5203 | /* |
5204 | * Find the operating frequencies of any of the virtual interfaces that | |
a0c90bb0 IP |
5205 | * are using the same radio as the current interface, and in addition, get |
5206 | * information about the interface types that are using the frequency. | |
53c5dfc2 | 5207 | */ |
a0c90bb0 IP |
5208 | int get_shared_radio_freqs_data(struct wpa_supplicant *wpa_s, |
5209 | struct wpa_used_freq_data *freqs_data, | |
5210 | unsigned int len) | |
53c5dfc2 | 5211 | { |
53c5dfc2 IP |
5212 | struct wpa_supplicant *ifs; |
5213 | u8 bssid[ETH_ALEN]; | |
5214 | int freq; | |
5215 | unsigned int idx = 0, i; | |
5216 | ||
217cf499 JM |
5217 | wpa_dbg(wpa_s, MSG_DEBUG, |
5218 | "Determining shared radio frequencies (max len %u)", len); | |
a0c90bb0 | 5219 | os_memset(freqs_data, 0, sizeof(struct wpa_used_freq_data) * len); |
53c5dfc2 | 5220 | |
0ad3b9c4 JM |
5221 | dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant, |
5222 | radio_list) { | |
a0c90bb0 IP |
5223 | if (idx == len) |
5224 | break; | |
5225 | ||
53c5dfc2 IP |
5226 | if (ifs->current_ssid == NULL || ifs->assoc_freq == 0) |
5227 | continue; | |
5228 | ||
5229 | if (ifs->current_ssid->mode == WPAS_MODE_AP || | |
5230 | ifs->current_ssid->mode == WPAS_MODE_P2P_GO) | |
5231 | freq = ifs->current_ssid->frequency; | |
5232 | else if (wpa_drv_get_bssid(ifs, bssid) == 0) | |
5233 | freq = ifs->assoc_freq; | |
5234 | else | |
5235 | continue; | |
5236 | ||
5237 | /* Hold only distinct freqs */ | |
5238 | for (i = 0; i < idx; i++) | |
a0c90bb0 | 5239 | if (freqs_data[i].freq == freq) |
53c5dfc2 IP |
5240 | break; |
5241 | ||
5242 | if (i == idx) | |
a0c90bb0 IP |
5243 | freqs_data[idx++].freq = freq; |
5244 | ||
5245 | if (ifs->current_ssid->mode == WPAS_MODE_INFRA) { | |
5246 | freqs_data[i].flags = ifs->current_ssid->p2p_group ? | |
5247 | WPA_FREQ_USED_BY_P2P_CLIENT : | |
5248 | WPA_FREQ_USED_BY_INFRA_STATION; | |
5249 | } | |
53c5dfc2 | 5250 | } |
217cf499 | 5251 | |
a0c90bb0 | 5252 | dump_freq_data(wpa_s, "completed iteration", freqs_data, idx); |
53c5dfc2 IP |
5253 | return idx; |
5254 | } | |
a0c90bb0 IP |
5255 | |
5256 | ||
5257 | /* | |
5258 | * Find the operating frequencies of any of the virtual interfaces that | |
5259 | * are using the same radio as the current interface. | |
5260 | */ | |
5261 | int get_shared_radio_freqs(struct wpa_supplicant *wpa_s, | |
5262 | int *freq_array, unsigned int len) | |
5263 | { | |
5264 | struct wpa_used_freq_data *freqs_data; | |
5265 | int num, i; | |
5266 | ||
5267 | os_memset(freq_array, 0, sizeof(int) * len); | |
5268 | ||
5269 | freqs_data = os_calloc(len, sizeof(struct wpa_used_freq_data)); | |
5270 | if (!freqs_data) | |
5271 | return -1; | |
5272 | ||
5273 | num = get_shared_radio_freqs_data(wpa_s, freqs_data, len); | |
5274 | for (i = 0; i < num; i++) | |
5275 | freq_array[i] = freqs_data[i].freq; | |
5276 | ||
5277 | os_free(freqs_data); | |
5278 | ||
5279 | return num; | |
5280 | } | |
b361d580 AK |
5281 | |
5282 | ||
d89c0701 AK |
5283 | static void wpas_rrm_neighbor_rep_timeout_handler(void *data, void *user_ctx) |
5284 | { | |
5285 | struct rrm_data *rrm = data; | |
5286 | ||
5287 | if (!rrm->notify_neighbor_rep) { | |
5288 | wpa_printf(MSG_ERROR, | |
5289 | "RRM: Unexpected neighbor report timeout"); | |
5290 | return; | |
5291 | } | |
5292 | ||
5293 | wpa_printf(MSG_DEBUG, "RRM: Notifying neighbor report - NONE"); | |
5294 | rrm->notify_neighbor_rep(rrm->neighbor_rep_cb_ctx, NULL); | |
5295 | ||
5296 | rrm->notify_neighbor_rep = NULL; | |
5297 | rrm->neighbor_rep_cb_ctx = NULL; | |
5298 | } | |
5299 | ||
5300 | ||
b361d580 AK |
5301 | /* |
5302 | * wpas_rrm_reset - Clear and reset all RRM data in wpa_supplicant | |
5303 | * @wpa_s: Pointer to wpa_supplicant | |
5304 | */ | |
5305 | void wpas_rrm_reset(struct wpa_supplicant *wpa_s) | |
5306 | { | |
5307 | wpa_s->rrm.rrm_used = 0; | |
d89c0701 AK |
5308 | |
5309 | eloop_cancel_timeout(wpas_rrm_neighbor_rep_timeout_handler, &wpa_s->rrm, | |
5310 | NULL); | |
5311 | if (wpa_s->rrm.notify_neighbor_rep) | |
5312 | wpas_rrm_neighbor_rep_timeout_handler(&wpa_s->rrm, NULL); | |
5313 | wpa_s->rrm.next_neighbor_rep_token = 1; | |
5314 | } | |
5315 | ||
5316 | ||
5317 | /* | |
5318 | * wpas_rrm_process_neighbor_rep - Handle incoming neighbor report | |
5319 | * @wpa_s: Pointer to wpa_supplicant | |
5320 | * @report: Neighbor report buffer, prefixed by a 1-byte dialog token | |
5321 | * @report_len: Length of neighbor report buffer | |
5322 | */ | |
5323 | void wpas_rrm_process_neighbor_rep(struct wpa_supplicant *wpa_s, | |
5324 | const u8 *report, size_t report_len) | |
5325 | { | |
5326 | struct wpabuf *neighbor_rep; | |
5327 | ||
5328 | wpa_hexdump(MSG_DEBUG, "RRM: New Neighbor Report", report, report_len); | |
5329 | if (report_len < 1) | |
5330 | return; | |
5331 | ||
5332 | if (report[0] != wpa_s->rrm.next_neighbor_rep_token - 1) { | |
5333 | wpa_printf(MSG_DEBUG, | |
5334 | "RRM: Discarding neighbor report with token %d (expected %d)", | |
5335 | report[0], wpa_s->rrm.next_neighbor_rep_token - 1); | |
5336 | return; | |
5337 | } | |
5338 | ||
5339 | eloop_cancel_timeout(wpas_rrm_neighbor_rep_timeout_handler, &wpa_s->rrm, | |
5340 | NULL); | |
5341 | ||
5342 | if (!wpa_s->rrm.notify_neighbor_rep) { | |
5343 | wpa_printf(MSG_ERROR, "RRM: Unexpected neighbor report"); | |
5344 | return; | |
5345 | } | |
5346 | ||
5347 | /* skipping the first byte, which is only an id (dialog token) */ | |
5348 | neighbor_rep = wpabuf_alloc(report_len - 1); | |
5349 | if (neighbor_rep == NULL) | |
5350 | return; | |
5351 | wpabuf_put_data(neighbor_rep, report + 1, report_len - 1); | |
5352 | wpa_printf(MSG_DEBUG, "RRM: Notifying neighbor report (token = %d)", | |
5353 | report[0]); | |
5354 | wpa_s->rrm.notify_neighbor_rep(wpa_s->rrm.neighbor_rep_cb_ctx, | |
5355 | neighbor_rep); | |
5356 | wpa_s->rrm.notify_neighbor_rep = NULL; | |
5357 | wpa_s->rrm.neighbor_rep_cb_ctx = NULL; | |
5358 | } | |
5359 | ||
5360 | ||
b09baf37 JM |
5361 | #if defined(__CYGWIN__) || defined(CONFIG_NATIVE_WINDOWS) |
5362 | /* Workaround different, undefined for Windows, error codes used here */ | |
5363 | #define ENOTCONN -1 | |
5364 | #define EOPNOTSUPP -1 | |
5365 | #define ECANCELED -1 | |
5366 | #endif | |
5367 | ||
d89c0701 AK |
5368 | /** |
5369 | * wpas_rrm_send_neighbor_rep_request - Request a neighbor report from our AP | |
5370 | * @wpa_s: Pointer to wpa_supplicant | |
4c4b2305 AK |
5371 | * @ssid: if not null, this is sent in the request. Otherwise, no SSID IE |
5372 | * is sent in the request. | |
d89c0701 AK |
5373 | * @cb: Callback function to be called once the requested report arrives, or |
5374 | * timed out after RRM_NEIGHBOR_REPORT_TIMEOUT seconds. | |
5375 | * In the former case, 'neighbor_rep' is a newly allocated wpabuf, and it's | |
5376 | * the requester's responsibility to free it. | |
5377 | * In the latter case NULL will be sent in 'neighbor_rep'. | |
5378 | * @cb_ctx: Context value to send the callback function | |
5379 | * Returns: 0 in case of success, negative error code otherwise | |
5380 | * | |
5381 | * In case there is a previous request which has not been answered yet, the | |
5382 | * new request fails. The caller may retry after RRM_NEIGHBOR_REPORT_TIMEOUT. | |
5383 | * Request must contain a callback function. | |
d89c0701 AK |
5384 | */ |
5385 | int wpas_rrm_send_neighbor_rep_request(struct wpa_supplicant *wpa_s, | |
4c4b2305 | 5386 | const struct wpa_ssid *ssid, |
d89c0701 AK |
5387 | void (*cb)(void *ctx, |
5388 | struct wpabuf *neighbor_rep), | |
5389 | void *cb_ctx) | |
5390 | { | |
5391 | struct wpabuf *buf; | |
5392 | const u8 *rrm_ie; | |
5393 | ||
5394 | if (wpa_s->wpa_state != WPA_COMPLETED || wpa_s->current_ssid == NULL) { | |
5395 | wpa_printf(MSG_DEBUG, "RRM: No connection, no RRM."); | |
5396 | return -ENOTCONN; | |
5397 | } | |
5398 | ||
5399 | if (!wpa_s->rrm.rrm_used) { | |
5400 | wpa_printf(MSG_DEBUG, "RRM: No RRM in current connection."); | |
5401 | return -EOPNOTSUPP; | |
5402 | } | |
5403 | ||
5404 | rrm_ie = wpa_bss_get_ie(wpa_s->current_bss, | |
5405 | WLAN_EID_RRM_ENABLED_CAPABILITIES); | |
5406 | if (!rrm_ie || !(wpa_s->current_bss->caps & IEEE80211_CAP_RRM) || | |
5407 | !(rrm_ie[2] & WLAN_RRM_CAPS_NEIGHBOR_REPORT)) { | |
5408 | wpa_printf(MSG_DEBUG, | |
5409 | "RRM: No network support for Neighbor Report."); | |
5410 | return -EOPNOTSUPP; | |
5411 | } | |
5412 | ||
5413 | if (!cb) { | |
5414 | wpa_printf(MSG_DEBUG, | |
5415 | "RRM: Neighbor Report request must provide a callback."); | |
5416 | return -EINVAL; | |
5417 | } | |
5418 | ||
5419 | /* Refuse if there's a live request */ | |
5420 | if (wpa_s->rrm.notify_neighbor_rep) { | |
5421 | wpa_printf(MSG_DEBUG, | |
5422 | "RRM: Currently handling previous Neighbor Report."); | |
5423 | return -EBUSY; | |
5424 | } | |
5425 | ||
4c4b2305 AK |
5426 | /* 3 = action category + action code + dialog token */ |
5427 | buf = wpabuf_alloc(3 + (ssid ? 2 + ssid->ssid_len : 0)); | |
d89c0701 AK |
5428 | if (buf == NULL) { |
5429 | wpa_printf(MSG_DEBUG, | |
5430 | "RRM: Failed to allocate Neighbor Report Request"); | |
5431 | return -ENOMEM; | |
5432 | } | |
5433 | ||
5434 | wpa_printf(MSG_DEBUG, "RRM: Neighbor report request (for %s), token=%d", | |
4c4b2305 | 5435 | (ssid ? wpa_ssid_txt(ssid->ssid, ssid->ssid_len) : ""), |
d89c0701 AK |
5436 | wpa_s->rrm.next_neighbor_rep_token); |
5437 | ||
5438 | wpabuf_put_u8(buf, WLAN_ACTION_RADIO_MEASUREMENT); | |
5439 | wpabuf_put_u8(buf, WLAN_RRM_NEIGHBOR_REPORT_REQUEST); | |
5440 | wpabuf_put_u8(buf, wpa_s->rrm.next_neighbor_rep_token); | |
4c4b2305 AK |
5441 | if (ssid) { |
5442 | wpabuf_put_u8(buf, WLAN_EID_SSID); | |
5443 | wpabuf_put_u8(buf, ssid->ssid_len); | |
5444 | wpabuf_put_data(buf, ssid->ssid, ssid->ssid_len); | |
5445 | } | |
d89c0701 AK |
5446 | |
5447 | wpa_s->rrm.next_neighbor_rep_token++; | |
5448 | ||
5449 | if (wpa_drv_send_action(wpa_s, wpa_s->assoc_freq, 0, wpa_s->bssid, | |
5450 | wpa_s->own_addr, wpa_s->bssid, | |
5451 | wpabuf_head(buf), wpabuf_len(buf), 0) < 0) { | |
5452 | wpa_printf(MSG_DEBUG, | |
5453 | "RRM: Failed to send Neighbor Report Request"); | |
5454 | wpabuf_free(buf); | |
5455 | return -ECANCELED; | |
5456 | } | |
5457 | ||
5458 | wpa_s->rrm.neighbor_rep_cb_ctx = cb_ctx; | |
5459 | wpa_s->rrm.notify_neighbor_rep = cb; | |
5460 | eloop_register_timeout(RRM_NEIGHBOR_REPORT_TIMEOUT, 0, | |
5461 | wpas_rrm_neighbor_rep_timeout_handler, | |
5462 | &wpa_s->rrm, NULL); | |
5463 | ||
5464 | wpabuf_free(buf); | |
5465 | return 0; | |
b361d580 | 5466 | } |
70d1e728 AO |
5467 | |
5468 | ||
5469 | void wpas_rrm_handle_link_measurement_request(struct wpa_supplicant *wpa_s, | |
5470 | const u8 *src, | |
5471 | const u8 *frame, size_t len, | |
5472 | int rssi) | |
5473 | { | |
5474 | struct wpabuf *buf; | |
5475 | const struct rrm_link_measurement_request *req; | |
5476 | struct rrm_link_measurement_report report; | |
5477 | ||
5478 | if (wpa_s->wpa_state != WPA_COMPLETED) { | |
5479 | wpa_printf(MSG_INFO, | |
5480 | "RRM: Ignoring link measurement request. Not associated"); | |
5481 | return; | |
5482 | } | |
5483 | ||
5484 | if (!wpa_s->rrm.rrm_used) { | |
5485 | wpa_printf(MSG_INFO, | |
5486 | "RRM: Ignoring link measurement request. Not RRM network"); | |
5487 | return; | |
5488 | } | |
5489 | ||
5490 | if (!(wpa_s->drv_rrm_flags & WPA_DRIVER_FLAGS_TX_POWER_INSERTION)) { | |
5491 | wpa_printf(MSG_INFO, | |
5492 | "RRM: Measurement report failed. TX power insertion not supported"); | |
5493 | return; | |
5494 | } | |
5495 | ||
5496 | req = (const struct rrm_link_measurement_request *) frame; | |
5497 | if (len < sizeof(*req)) { | |
5498 | wpa_printf(MSG_INFO, | |
5499 | "RRM: Link measurement report failed. Request too short"); | |
5500 | return; | |
5501 | } | |
5502 | ||
5503 | os_memset(&report, 0, sizeof(report)); | |
5504 | report.tpc.eid = WLAN_EID_TPC_REPORT; | |
5505 | report.tpc.len = 2; | |
5506 | report.rsni = 255; /* 255 indicates that RSNI is not available */ | |
5507 | report.dialog_token = req->dialog_token; | |
5508 | ||
5509 | /* | |
5510 | * It's possible to estimate RCPI based on RSSI in dBm. This | |
5511 | * calculation will not reflect the correct value for high rates, | |
5512 | * but it's good enough for Action frames which are transmitted | |
5513 | * with up to 24 Mbps rates. | |
5514 | */ | |
5515 | if (!rssi) | |
5516 | report.rcpi = 255; /* not available */ | |
5517 | else if (rssi < -110) | |
5518 | report.rcpi = 0; | |
5519 | else if (rssi > 0) | |
5520 | report.rcpi = 220; | |
5521 | else | |
5522 | report.rcpi = (rssi + 110) * 2; | |
5523 | ||
5524 | /* action_category + action_code */ | |
5525 | buf = wpabuf_alloc(2 + sizeof(report)); | |
5526 | if (buf == NULL) { | |
5527 | wpa_printf(MSG_ERROR, | |
5528 | "RRM: Link measurement report failed. Buffer allocation failed"); | |
5529 | return; | |
5530 | } | |
5531 | ||
5532 | wpabuf_put_u8(buf, WLAN_ACTION_RADIO_MEASUREMENT); | |
5533 | wpabuf_put_u8(buf, WLAN_RRM_LINK_MEASUREMENT_REPORT); | |
5534 | wpabuf_put_data(buf, &report, sizeof(report)); | |
5535 | wpa_hexdump(MSG_DEBUG, "RRM: Link measurement report:", | |
5536 | wpabuf_head(buf), wpabuf_len(buf)); | |
5537 | ||
5538 | if (wpa_drv_send_action(wpa_s, wpa_s->assoc_freq, 0, src, | |
5539 | wpa_s->own_addr, wpa_s->bssid, | |
5540 | wpabuf_head(buf), wpabuf_len(buf), 0)) { | |
5541 | wpa_printf(MSG_ERROR, | |
5542 | "RRM: Link measurement report failed. Send action failed"); | |
5543 | } | |
5544 | wpabuf_free(buf); | |
5545 | } |