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Commit | Line | Data |
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6fc6879b JM |
1 | /* |
2 | * WPA Supplicant | |
d93dfbd5 | 3 | * Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi> |
6fc6879b | 4 | * |
0f3d578e JM |
5 | * This software may be distributed under the terms of the BSD license. |
6 | * See README for more details. | |
6fc6879b JM |
7 | * |
8 | * This file implements functions for registering and unregistering | |
9 | * %wpa_supplicant interfaces. In addition, this file contains number of | |
10 | * functions for managing network connections. | |
11 | */ | |
12 | ||
13 | #include "includes.h" | |
14 | ||
15 | #include "common.h" | |
d47fa330 | 16 | #include "crypto/random.h" |
7d232e23 | 17 | #include "crypto/sha1.h" |
6fc6879b JM |
18 | #include "eapol_supp/eapol_supp_sm.h" |
19 | #include "eap_peer/eap.h" | |
3ec97afe | 20 | #include "eap_server/eap_methods.h" |
3acb5005 | 21 | #include "rsn_supp/wpa.h" |
6fc6879b | 22 | #include "eloop.h" |
6fc6879b JM |
23 | #include "config.h" |
24 | #include "l2_packet/l2_packet.h" | |
25 | #include "wpa_supplicant_i.h" | |
2d5b792d | 26 | #include "driver_i.h" |
6fc6879b | 27 | #include "ctrl_iface.h" |
6fc6879b | 28 | #include "pcsc_funcs.h" |
90973fb2 | 29 | #include "common/version.h" |
3acb5005 JM |
30 | #include "rsn_supp/preauth.h" |
31 | #include "rsn_supp/pmksa_cache.h" | |
90973fb2 | 32 | #include "common/wpa_ctrl.h" |
90973fb2 | 33 | #include "common/ieee802_11_defs.h" |
72044390 | 34 | #include "p2p/p2p.h" |
6fc6879b JM |
35 | #include "blacklist.h" |
36 | #include "wpas_glue.h" | |
116654ce | 37 | #include "wps_supplicant.h" |
11ef8d35 | 38 | #include "ibss_rsn.h" |
c2a04078 | 39 | #include "sme.h" |
04ea7b79 | 40 | #include "gas_query.h" |
1f1b62a0 | 41 | #include "ap.h" |
b22128ef | 42 | #include "p2p_supplicant.h" |
8bac466b | 43 | #include "notify.h" |
60b94c98 | 44 | #include "bgscan.h" |
83922c2d | 45 | #include "bss.h" |
9ba9fa07 | 46 | #include "scan.h" |
24f6497c | 47 | #include "offchannel.h" |
cb418324 | 48 | #include "hs20_supplicant.h" |
6fc6879b JM |
49 | |
50 | const char *wpa_supplicant_version = | |
51 | "wpa_supplicant v" VERSION_STR "\n" | |
57d38ddf | 52 | "Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi> and contributors"; |
6fc6879b JM |
53 | |
54 | const char *wpa_supplicant_license = | |
331f89ff JM |
55 | "This software may be distributed under the terms of the BSD license.\n" |
56 | "See README for more details.\n" | |
6fc6879b JM |
57 | #ifdef EAP_TLS_OPENSSL |
58 | "\nThis product includes software developed by the OpenSSL Project\n" | |
59 | "for use in the OpenSSL Toolkit (http://www.openssl.org/)\n" | |
60 | #endif /* EAP_TLS_OPENSSL */ | |
61 | ; | |
62 | ||
63 | #ifndef CONFIG_NO_STDOUT_DEBUG | |
64 | /* Long text divided into parts in order to fit in C89 strings size limits. */ | |
65 | const char *wpa_supplicant_full_license1 = | |
331f89ff | 66 | ""; |
6fc6879b | 67 | const char *wpa_supplicant_full_license2 = |
331f89ff | 68 | "This software may be distributed under the terms of the BSD license.\n" |
6fc6879b JM |
69 | "\n" |
70 | "Redistribution and use in source and binary forms, with or without\n" | |
71 | "modification, are permitted provided that the following conditions are\n" | |
72 | "met:\n" | |
73 | "\n"; | |
74 | const char *wpa_supplicant_full_license3 = | |
75 | "1. Redistributions of source code must retain the above copyright\n" | |
76 | " notice, this list of conditions and the following disclaimer.\n" | |
77 | "\n" | |
78 | "2. Redistributions in binary form must reproduce the above copyright\n" | |
79 | " notice, this list of conditions and the following disclaimer in the\n" | |
80 | " documentation and/or other materials provided with the distribution.\n" | |
81 | "\n"; | |
82 | const char *wpa_supplicant_full_license4 = | |
83 | "3. Neither the name(s) of the above-listed copyright holder(s) nor the\n" | |
84 | " names of its contributors may be used to endorse or promote products\n" | |
85 | " derived from this software without specific prior written permission.\n" | |
86 | "\n" | |
87 | "THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\n" | |
88 | "\"AS IS\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\n" | |
89 | "LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\n" | |
90 | "A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT\n"; | |
91 | const char *wpa_supplicant_full_license5 = | |
92 | "OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\n" | |
93 | "SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\n" | |
94 | "LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\n" | |
95 | "DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\n" | |
96 | "THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n" | |
97 | "(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\n" | |
98 | "OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n" | |
99 | "\n"; | |
100 | #endif /* CONFIG_NO_STDOUT_DEBUG */ | |
101 | ||
6fc6879b JM |
102 | extern int wpa_debug_level; |
103 | extern int wpa_debug_show_keys; | |
104 | extern int wpa_debug_timestamp; | |
c5121837 | 105 | extern struct wpa_driver_ops *wpa_drivers[]; |
6fc6879b JM |
106 | |
107 | /* Configure default/group WEP keys for static WEP */ | |
0194fedb | 108 | int wpa_set_wep_keys(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid) |
6fc6879b JM |
109 | { |
110 | int i, set = 0; | |
111 | ||
112 | for (i = 0; i < NUM_WEP_KEYS; i++) { | |
113 | if (ssid->wep_key_len[i] == 0) | |
114 | continue; | |
115 | ||
116 | set = 1; | |
0382097e | 117 | wpa_drv_set_key(wpa_s, WPA_ALG_WEP, NULL, |
da64c266 | 118 | i, i == ssid->wep_tx_keyidx, NULL, 0, |
6fc6879b JM |
119 | ssid->wep_key[i], ssid->wep_key_len[i]); |
120 | } | |
121 | ||
122 | return set; | |
123 | } | |
124 | ||
125 | ||
126 | static int wpa_supplicant_set_wpa_none_key(struct wpa_supplicant *wpa_s, | |
127 | struct wpa_ssid *ssid) | |
128 | { | |
129 | u8 key[32]; | |
130 | size_t keylen; | |
71934751 | 131 | enum wpa_alg alg; |
6fc6879b JM |
132 | u8 seq[6] = { 0 }; |
133 | ||
134 | /* IBSS/WPA-None uses only one key (Group) for both receiving and | |
135 | * sending unicast and multicast packets. */ | |
136 | ||
d7dcba70 | 137 | if (ssid->mode != WPAS_MODE_IBSS) { |
f049052b BG |
138 | wpa_msg(wpa_s, MSG_INFO, "WPA: Invalid mode %d (not " |
139 | "IBSS/ad-hoc) for WPA-None", ssid->mode); | |
6fc6879b JM |
140 | return -1; |
141 | } | |
142 | ||
143 | if (!ssid->psk_set) { | |
f049052b BG |
144 | wpa_msg(wpa_s, MSG_INFO, "WPA: No PSK configured for " |
145 | "WPA-None"); | |
6fc6879b JM |
146 | return -1; |
147 | } | |
148 | ||
149 | switch (wpa_s->group_cipher) { | |
150 | case WPA_CIPHER_CCMP: | |
151 | os_memcpy(key, ssid->psk, 16); | |
152 | keylen = 16; | |
153 | alg = WPA_ALG_CCMP; | |
154 | break; | |
155 | case WPA_CIPHER_TKIP: | |
156 | /* WPA-None uses the same Michael MIC key for both TX and RX */ | |
157 | os_memcpy(key, ssid->psk, 16 + 8); | |
158 | os_memcpy(key + 16 + 8, ssid->psk + 16, 8); | |
159 | keylen = 32; | |
160 | alg = WPA_ALG_TKIP; | |
161 | break; | |
162 | default: | |
f049052b BG |
163 | wpa_msg(wpa_s, MSG_INFO, "WPA: Invalid group cipher %d for " |
164 | "WPA-None", wpa_s->group_cipher); | |
6fc6879b JM |
165 | return -1; |
166 | } | |
167 | ||
168 | /* TODO: should actually remember the previously used seq#, both for TX | |
169 | * and RX from each STA.. */ | |
170 | ||
0382097e | 171 | return wpa_drv_set_key(wpa_s, alg, NULL, 0, 1, seq, 6, key, keylen); |
6fc6879b JM |
172 | } |
173 | ||
174 | ||
175 | static void wpa_supplicant_timeout(void *eloop_ctx, void *timeout_ctx) | |
176 | { | |
177 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
178 | const u8 *bssid = wpa_s->bssid; | |
a8e16edc | 179 | if (is_zero_ether_addr(bssid)) |
6fc6879b JM |
180 | bssid = wpa_s->pending_bssid; |
181 | wpa_msg(wpa_s, MSG_INFO, "Authentication with " MACSTR " timed out.", | |
182 | MAC2STR(bssid)); | |
183 | wpa_blacklist_add(wpa_s, bssid); | |
184 | wpa_sm_notify_disassoc(wpa_s->wpa); | |
185 | wpa_supplicant_disassociate(wpa_s, WLAN_REASON_DEAUTH_LEAVING); | |
186 | wpa_s->reassociate = 1; | |
48b84f18 BG |
187 | |
188 | /* | |
189 | * If we timed out, the AP or the local radio may be busy. | |
190 | * So, wait a second until scanning again. | |
191 | */ | |
192 | wpa_supplicant_req_scan(wpa_s, 1, 0); | |
6fc6879b JM |
193 | } |
194 | ||
195 | ||
196 | /** | |
197 | * wpa_supplicant_req_auth_timeout - Schedule a timeout for authentication | |
198 | * @wpa_s: Pointer to wpa_supplicant data | |
199 | * @sec: Number of seconds after which to time out authentication | |
200 | * @usec: Number of microseconds after which to time out authentication | |
201 | * | |
202 | * This function is used to schedule a timeout for the current authentication | |
203 | * attempt. | |
204 | */ | |
205 | void wpa_supplicant_req_auth_timeout(struct wpa_supplicant *wpa_s, | |
206 | int sec, int usec) | |
207 | { | |
c2a04078 JM |
208 | if (wpa_s->conf && wpa_s->conf->ap_scan == 0 && |
209 | (wpa_s->drv_flags & WPA_DRIVER_FLAGS_WIRED)) | |
6fc6879b JM |
210 | return; |
211 | ||
f049052b | 212 | wpa_dbg(wpa_s, MSG_DEBUG, "Setting authentication timeout: %d sec " |
6fc6879b JM |
213 | "%d usec", sec, usec); |
214 | eloop_cancel_timeout(wpa_supplicant_timeout, wpa_s, NULL); | |
215 | eloop_register_timeout(sec, usec, wpa_supplicant_timeout, wpa_s, NULL); | |
216 | } | |
217 | ||
218 | ||
219 | /** | |
220 | * wpa_supplicant_cancel_auth_timeout - Cancel authentication timeout | |
221 | * @wpa_s: Pointer to wpa_supplicant data | |
222 | * | |
223 | * This function is used to cancel authentication timeout scheduled with | |
224 | * wpa_supplicant_req_auth_timeout() and it is called when authentication has | |
225 | * been completed. | |
226 | */ | |
227 | void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant *wpa_s) | |
228 | { | |
f049052b | 229 | wpa_dbg(wpa_s, MSG_DEBUG, "Cancelling authentication timeout"); |
6fc6879b JM |
230 | eloop_cancel_timeout(wpa_supplicant_timeout, wpa_s, NULL); |
231 | wpa_blacklist_del(wpa_s, wpa_s->bssid); | |
232 | } | |
233 | ||
234 | ||
235 | /** | |
236 | * wpa_supplicant_initiate_eapol - Configure EAPOL state machine | |
237 | * @wpa_s: Pointer to wpa_supplicant data | |
238 | * | |
239 | * This function is used to configure EAPOL state machine based on the selected | |
240 | * authentication mode. | |
241 | */ | |
242 | void wpa_supplicant_initiate_eapol(struct wpa_supplicant *wpa_s) | |
243 | { | |
244 | #ifdef IEEE8021X_EAPOL | |
245 | struct eapol_config eapol_conf; | |
246 | struct wpa_ssid *ssid = wpa_s->current_ssid; | |
247 | ||
53895c3b | 248 | #ifdef CONFIG_IBSS_RSN |
d7dcba70 | 249 | if (ssid->mode == WPAS_MODE_IBSS && |
53895c3b JM |
250 | wpa_s->key_mgmt != WPA_KEY_MGMT_NONE && |
251 | wpa_s->key_mgmt != WPA_KEY_MGMT_WPA_NONE) { | |
252 | /* | |
253 | * RSN IBSS authentication is per-STA and we can disable the | |
254 | * per-BSSID EAPOL authentication. | |
255 | */ | |
256 | eapol_sm_notify_portControl(wpa_s->eapol, ForceAuthorized); | |
257 | eapol_sm_notify_eap_success(wpa_s->eapol, TRUE); | |
258 | eapol_sm_notify_eap_fail(wpa_s->eapol, FALSE); | |
259 | return; | |
260 | } | |
261 | #endif /* CONFIG_IBSS_RSN */ | |
262 | ||
0a40ec6a JM |
263 | eapol_sm_notify_eap_success(wpa_s->eapol, FALSE); |
264 | eapol_sm_notify_eap_fail(wpa_s->eapol, FALSE); | |
265 | ||
6fc6879b JM |
266 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE || |
267 | wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) | |
268 | eapol_sm_notify_portControl(wpa_s->eapol, ForceAuthorized); | |
269 | else | |
270 | eapol_sm_notify_portControl(wpa_s->eapol, Auto); | |
271 | ||
272 | os_memset(&eapol_conf, 0, sizeof(eapol_conf)); | |
273 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) { | |
274 | eapol_conf.accept_802_1x_keys = 1; | |
275 | eapol_conf.required_keys = 0; | |
276 | if (ssid->eapol_flags & EAPOL_FLAG_REQUIRE_KEY_UNICAST) { | |
277 | eapol_conf.required_keys |= EAPOL_REQUIRE_KEY_UNICAST; | |
278 | } | |
279 | if (ssid->eapol_flags & EAPOL_FLAG_REQUIRE_KEY_BROADCAST) { | |
280 | eapol_conf.required_keys |= | |
281 | EAPOL_REQUIRE_KEY_BROADCAST; | |
282 | } | |
283 | ||
c2a04078 | 284 | if (wpa_s->conf && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_WIRED)) |
6fc6879b | 285 | eapol_conf.required_keys = 0; |
6fc6879b JM |
286 | } |
287 | if (wpa_s->conf) | |
288 | eapol_conf.fast_reauth = wpa_s->conf->fast_reauth; | |
289 | eapol_conf.workaround = ssid->eap_workaround; | |
56586197 JM |
290 | eapol_conf.eap_disabled = |
291 | !wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) && | |
ad08c363 JM |
292 | wpa_s->key_mgmt != WPA_KEY_MGMT_IEEE8021X_NO_WPA && |
293 | wpa_s->key_mgmt != WPA_KEY_MGMT_WPS; | |
6fc6879b JM |
294 | eapol_sm_notify_config(wpa_s->eapol, &ssid->eap, &eapol_conf); |
295 | #endif /* IEEE8021X_EAPOL */ | |
296 | } | |
297 | ||
298 | ||
299 | /** | |
300 | * wpa_supplicant_set_non_wpa_policy - Set WPA parameters to non-WPA mode | |
301 | * @wpa_s: Pointer to wpa_supplicant data | |
302 | * @ssid: Configuration data for the network | |
303 | * | |
304 | * This function is used to configure WPA state machine and related parameters | |
305 | * to a mode where WPA is not enabled. This is called as part of the | |
306 | * authentication configuration when the selected network does not use WPA. | |
307 | */ | |
308 | void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant *wpa_s, | |
309 | struct wpa_ssid *ssid) | |
310 | { | |
311 | int i; | |
312 | ||
ad08c363 JM |
313 | if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) |
314 | wpa_s->key_mgmt = WPA_KEY_MGMT_WPS; | |
315 | else if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) | |
6fc6879b JM |
316 | wpa_s->key_mgmt = WPA_KEY_MGMT_IEEE8021X_NO_WPA; |
317 | else | |
318 | wpa_s->key_mgmt = WPA_KEY_MGMT_NONE; | |
319 | wpa_sm_set_ap_wpa_ie(wpa_s->wpa, NULL, 0); | |
320 | wpa_sm_set_ap_rsn_ie(wpa_s->wpa, NULL, 0); | |
321 | wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0); | |
322 | wpa_s->pairwise_cipher = WPA_CIPHER_NONE; | |
323 | wpa_s->group_cipher = WPA_CIPHER_NONE; | |
324 | wpa_s->mgmt_group_cipher = 0; | |
325 | ||
326 | for (i = 0; i < NUM_WEP_KEYS; i++) { | |
327 | if (ssid->wep_key_len[i] > 5) { | |
328 | wpa_s->pairwise_cipher = WPA_CIPHER_WEP104; | |
329 | wpa_s->group_cipher = WPA_CIPHER_WEP104; | |
330 | break; | |
331 | } else if (ssid->wep_key_len[i] > 0) { | |
332 | wpa_s->pairwise_cipher = WPA_CIPHER_WEP40; | |
333 | wpa_s->group_cipher = WPA_CIPHER_WEP40; | |
334 | break; | |
335 | } | |
336 | } | |
337 | ||
338 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_RSN_ENABLED, 0); | |
339 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_KEY_MGMT, wpa_s->key_mgmt); | |
340 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_PAIRWISE, | |
341 | wpa_s->pairwise_cipher); | |
342 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_GROUP, wpa_s->group_cipher); | |
343 | #ifdef CONFIG_IEEE80211W | |
344 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_MGMT_GROUP, | |
345 | wpa_s->mgmt_group_cipher); | |
346 | #endif /* CONFIG_IEEE80211W */ | |
347 | ||
348 | pmksa_cache_clear_current(wpa_s->wpa); | |
349 | } | |
350 | ||
351 | ||
6979582c | 352 | void free_hw_features(struct wpa_supplicant *wpa_s) |
6bf731e8 CL |
353 | { |
354 | int i; | |
355 | if (wpa_s->hw.modes == NULL) | |
356 | return; | |
357 | ||
358 | for (i = 0; i < wpa_s->hw.num_modes; i++) { | |
359 | os_free(wpa_s->hw.modes[i].channels); | |
360 | os_free(wpa_s->hw.modes[i].rates); | |
361 | } | |
362 | ||
363 | os_free(wpa_s->hw.modes); | |
364 | wpa_s->hw.modes = NULL; | |
365 | } | |
366 | ||
367 | ||
6fc6879b JM |
368 | static void wpa_supplicant_cleanup(struct wpa_supplicant *wpa_s) |
369 | { | |
60b94c98 | 370 | bgscan_deinit(wpa_s); |
6fc6879b JM |
371 | scard_deinit(wpa_s->scard); |
372 | wpa_s->scard = NULL; | |
373 | wpa_sm_set_scard_ctx(wpa_s->wpa, NULL); | |
374 | eapol_sm_register_scard_ctx(wpa_s->eapol, NULL); | |
375 | l2_packet_deinit(wpa_s->l2); | |
376 | wpa_s->l2 = NULL; | |
377 | if (wpa_s->l2_br) { | |
378 | l2_packet_deinit(wpa_s->l2_br); | |
379 | wpa_s->l2_br = NULL; | |
380 | } | |
381 | ||
6fc6879b | 382 | if (wpa_s->conf != NULL) { |
8e56d189 JM |
383 | struct wpa_ssid *ssid; |
384 | for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) | |
385 | wpas_notify_network_removed(wpa_s, ssid); | |
6fc6879b JM |
386 | } |
387 | ||
388 | os_free(wpa_s->confname); | |
389 | wpa_s->confname = NULL; | |
390 | ||
391 | wpa_sm_set_eapol(wpa_s->wpa, NULL); | |
392 | eapol_sm_deinit(wpa_s->eapol); | |
393 | wpa_s->eapol = NULL; | |
394 | ||
395 | rsn_preauth_deinit(wpa_s->wpa); | |
396 | ||
281ff0aa GP |
397 | #ifdef CONFIG_TDLS |
398 | wpa_tdls_deinit(wpa_s->wpa); | |
399 | #endif /* CONFIG_TDLS */ | |
400 | ||
6fc6879b JM |
401 | pmksa_candidate_free(wpa_s->wpa); |
402 | wpa_sm_deinit(wpa_s->wpa); | |
403 | wpa_s->wpa = NULL; | |
404 | wpa_blacklist_clear(wpa_s); | |
405 | ||
83922c2d | 406 | wpa_bss_deinit(wpa_s); |
6fc6879b JM |
407 | |
408 | wpa_supplicant_cancel_scan(wpa_s); | |
409 | wpa_supplicant_cancel_auth_timeout(wpa_s); | |
01a17491 JM |
410 | eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL); |
411 | #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT | |
412 | eloop_cancel_timeout(wpa_supplicant_delayed_mic_error_report, | |
413 | wpa_s, NULL); | |
414 | #endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */ | |
6fc6879b | 415 | |
116654ce | 416 | wpas_wps_deinit(wpa_s); |
11ef8d35 | 417 | |
1ff73338 JM |
418 | wpabuf_free(wpa_s->pending_eapol_rx); |
419 | wpa_s->pending_eapol_rx = NULL; | |
420 | ||
11ef8d35 JM |
421 | #ifdef CONFIG_IBSS_RSN |
422 | ibss_rsn_deinit(wpa_s->ibss_rsn); | |
423 | wpa_s->ibss_rsn = NULL; | |
424 | #endif /* CONFIG_IBSS_RSN */ | |
c2a04078 | 425 | |
e29853bb | 426 | sme_deinit(wpa_s); |
2d5b792d JM |
427 | |
428 | #ifdef CONFIG_AP | |
429 | wpa_supplicant_ap_deinit(wpa_s); | |
430 | #endif /* CONFIG_AP */ | |
b22128ef JM |
431 | |
432 | #ifdef CONFIG_P2P | |
433 | wpas_p2p_deinit(wpa_s); | |
434 | #endif /* CONFIG_P2P */ | |
f47d639d | 435 | |
24f6497c JM |
436 | #ifdef CONFIG_OFFCHANNEL |
437 | offchannel_deinit(wpa_s); | |
438 | #endif /* CONFIG_OFFCHANNEL */ | |
439 | ||
a4cba8f1 LC |
440 | wpa_supplicant_cancel_sched_scan(wpa_s); |
441 | ||
f47d639d JM |
442 | os_free(wpa_s->next_scan_freqs); |
443 | wpa_s->next_scan_freqs = NULL; | |
04ea7b79 JM |
444 | |
445 | gas_query_deinit(wpa_s->gas); | |
446 | wpa_s->gas = NULL; | |
6bf731e8 CL |
447 | |
448 | free_hw_features(wpa_s); | |
d445a5cd JM |
449 | |
450 | os_free(wpa_s->bssid_filter); | |
451 | wpa_s->bssid_filter = NULL; | |
6fc6879b JM |
452 | } |
453 | ||
454 | ||
455 | /** | |
456 | * wpa_clear_keys - Clear keys configured for the driver | |
457 | * @wpa_s: Pointer to wpa_supplicant data | |
458 | * @addr: Previously used BSSID or %NULL if not available | |
459 | * | |
460 | * This function clears the encryption keys that has been previously configured | |
461 | * for the driver. | |
462 | */ | |
463 | void wpa_clear_keys(struct wpa_supplicant *wpa_s, const u8 *addr) | |
464 | { | |
6fc6879b JM |
465 | if (wpa_s->keys_cleared) { |
466 | /* Some drivers (e.g., ndiswrapper & NDIS drivers) seem to have | |
467 | * timing issues with keys being cleared just before new keys | |
468 | * are set or just after association or something similar. This | |
469 | * shows up in group key handshake failing often because of the | |
470 | * client not receiving the first encrypted packets correctly. | |
471 | * Skipping some of the extra key clearing steps seems to help | |
472 | * in completing group key handshake more reliably. */ | |
f049052b BG |
473 | wpa_dbg(wpa_s, MSG_DEBUG, "No keys have been configured - " |
474 | "skip key clearing"); | |
6fc6879b JM |
475 | return; |
476 | } | |
477 | ||
478 | /* MLME-DELETEKEYS.request */ | |
0382097e JM |
479 | wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0); |
480 | wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0); | |
481 | wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0); | |
482 | wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0); | |
0e27f655 | 483 | #ifdef CONFIG_IEEE80211W |
0382097e JM |
484 | wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0); |
485 | wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0); | |
0e27f655 | 486 | #endif /* CONFIG_IEEE80211W */ |
6fc6879b JM |
487 | if (addr) { |
488 | wpa_drv_set_key(wpa_s, WPA_ALG_NONE, addr, 0, 0, NULL, 0, NULL, | |
489 | 0); | |
490 | /* MLME-SETPROTECTION.request(None) */ | |
491 | wpa_drv_mlme_setprotection( | |
492 | wpa_s, addr, | |
493 | MLME_SETPROTECTION_PROTECT_TYPE_NONE, | |
494 | MLME_SETPROTECTION_KEY_TYPE_PAIRWISE); | |
495 | } | |
496 | wpa_s->keys_cleared = 1; | |
497 | } | |
498 | ||
499 | ||
500 | /** | |
501 | * wpa_supplicant_state_txt - Get the connection state name as a text string | |
502 | * @state: State (wpa_state; WPA_*) | |
503 | * Returns: The state name as a printable text string | |
504 | */ | |
71934751 | 505 | const char * wpa_supplicant_state_txt(enum wpa_states state) |
6fc6879b JM |
506 | { |
507 | switch (state) { | |
508 | case WPA_DISCONNECTED: | |
509 | return "DISCONNECTED"; | |
510 | case WPA_INACTIVE: | |
511 | return "INACTIVE"; | |
8401a6b0 JM |
512 | case WPA_INTERFACE_DISABLED: |
513 | return "INTERFACE_DISABLED"; | |
6fc6879b JM |
514 | case WPA_SCANNING: |
515 | return "SCANNING"; | |
c2a04078 JM |
516 | case WPA_AUTHENTICATING: |
517 | return "AUTHENTICATING"; | |
6fc6879b JM |
518 | case WPA_ASSOCIATING: |
519 | return "ASSOCIATING"; | |
520 | case WPA_ASSOCIATED: | |
521 | return "ASSOCIATED"; | |
522 | case WPA_4WAY_HANDSHAKE: | |
523 | return "4WAY_HANDSHAKE"; | |
524 | case WPA_GROUP_HANDSHAKE: | |
525 | return "GROUP_HANDSHAKE"; | |
526 | case WPA_COMPLETED: | |
527 | return "COMPLETED"; | |
528 | default: | |
529 | return "UNKNOWN"; | |
530 | } | |
531 | } | |
532 | ||
533 | ||
cfe53c9a PS |
534 | #ifdef CONFIG_BGSCAN |
535 | ||
536 | static void wpa_supplicant_start_bgscan(struct wpa_supplicant *wpa_s) | |
537 | { | |
0096c427 JM |
538 | if (wpas_driver_bss_selection(wpa_s)) |
539 | return; | |
cfe53c9a PS |
540 | if (wpa_s->current_ssid == wpa_s->bgscan_ssid) |
541 | return; | |
542 | ||
543 | bgscan_deinit(wpa_s); | |
544 | if (wpa_s->current_ssid && wpa_s->current_ssid->bgscan) { | |
545 | if (bgscan_init(wpa_s, wpa_s->current_ssid)) { | |
546 | wpa_dbg(wpa_s, MSG_DEBUG, "Failed to initialize " | |
547 | "bgscan"); | |
548 | /* | |
549 | * Live without bgscan; it is only used as a roaming | |
550 | * optimization, so the initial connection is not | |
551 | * affected. | |
552 | */ | |
553 | } else | |
554 | wpa_s->bgscan_ssid = wpa_s->current_ssid; | |
555 | } else | |
556 | wpa_s->bgscan_ssid = NULL; | |
557 | } | |
558 | ||
559 | ||
560 | static void wpa_supplicant_stop_bgscan(struct wpa_supplicant *wpa_s) | |
561 | { | |
562 | if (wpa_s->bgscan_ssid != NULL) { | |
563 | bgscan_deinit(wpa_s); | |
564 | wpa_s->bgscan_ssid = NULL; | |
565 | } | |
566 | } | |
567 | ||
568 | #endif /* CONFIG_BGSCAN */ | |
569 | ||
570 | ||
6fc6879b JM |
571 | /** |
572 | * wpa_supplicant_set_state - Set current connection state | |
573 | * @wpa_s: Pointer to wpa_supplicant data | |
574 | * @state: The new connection state | |
575 | * | |
576 | * This function is called whenever the connection state changes, e.g., | |
577 | * association is completed for WPA/WPA2 4-Way Handshake is started. | |
578 | */ | |
71934751 JM |
579 | void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s, |
580 | enum wpa_states state) | |
6fc6879b | 581 | { |
27f43d8d MH |
582 | enum wpa_states old_state = wpa_s->wpa_state; |
583 | ||
f049052b BG |
584 | wpa_dbg(wpa_s, MSG_DEBUG, "State: %s -> %s", |
585 | wpa_supplicant_state_txt(wpa_s->wpa_state), | |
586 | wpa_supplicant_state_txt(state)); | |
6fc6879b | 587 | |
cb8564b1 DW |
588 | if (state != WPA_SCANNING) |
589 | wpa_supplicant_notify_scanning(wpa_s, 0); | |
590 | ||
6fc6879b JM |
591 | if (state == WPA_COMPLETED && wpa_s->new_connection) { |
592 | #if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG) | |
593 | struct wpa_ssid *ssid = wpa_s->current_ssid; | |
594 | wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED "- Connection to " | |
595 | MACSTR " completed %s [id=%d id_str=%s]", | |
596 | MAC2STR(wpa_s->bssid), wpa_s->reassociated_connection ? | |
597 | "(reauth)" : "(auth)", | |
598 | ssid ? ssid->id : -1, | |
599 | ssid && ssid->id_str ? ssid->id_str : ""); | |
600 | #endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */ | |
601 | wpa_s->new_connection = 0; | |
602 | wpa_s->reassociated_connection = 1; | |
603 | wpa_drv_set_operstate(wpa_s, 1); | |
99ac2913 FF |
604 | #ifndef IEEE8021X_EAPOL |
605 | wpa_drv_set_supp_port(wpa_s, 1); | |
606 | #endif /* IEEE8021X_EAPOL */ | |
17a4734d | 607 | wpa_s->after_wps = 0; |
b22128ef JM |
608 | #ifdef CONFIG_P2P |
609 | wpas_p2p_completed(wpa_s); | |
610 | #endif /* CONFIG_P2P */ | |
c3701c66 RM |
611 | |
612 | sme_sched_obss_scan(wpa_s, 1); | |
6fc6879b JM |
613 | } else if (state == WPA_DISCONNECTED || state == WPA_ASSOCIATING || |
614 | state == WPA_ASSOCIATED) { | |
615 | wpa_s->new_connection = 1; | |
616 | wpa_drv_set_operstate(wpa_s, 0); | |
99ac2913 FF |
617 | #ifndef IEEE8021X_EAPOL |
618 | wpa_drv_set_supp_port(wpa_s, 0); | |
619 | #endif /* IEEE8021X_EAPOL */ | |
c3701c66 | 620 | sme_sched_obss_scan(wpa_s, 0); |
6fc6879b JM |
621 | } |
622 | wpa_s->wpa_state = state; | |
27f43d8d | 623 | |
cfe53c9a PS |
624 | #ifdef CONFIG_BGSCAN |
625 | if (state == WPA_COMPLETED) | |
626 | wpa_supplicant_start_bgscan(wpa_s); | |
627 | else | |
628 | wpa_supplicant_stop_bgscan(wpa_s); | |
629 | #endif /* CONFIG_BGSCAN */ | |
630 | ||
5bbf9f10 | 631 | if (wpa_s->wpa_state != old_state) { |
27f43d8d | 632 | wpas_notify_state_changed(wpa_s, wpa_s->wpa_state, old_state); |
5bbf9f10 PS |
633 | |
634 | if (wpa_s->wpa_state == WPA_COMPLETED || | |
635 | old_state == WPA_COMPLETED) | |
636 | wpas_notify_auth_changed(wpa_s); | |
637 | } | |
6fc6879b JM |
638 | } |
639 | ||
640 | ||
1a1bf008 JM |
641 | void wpa_supplicant_terminate_proc(struct wpa_global *global) |
642 | { | |
643 | int pending = 0; | |
644 | #ifdef CONFIG_WPS | |
645 | struct wpa_supplicant *wpa_s = global->ifaces; | |
646 | while (wpa_s) { | |
647 | if (wpas_wps_terminate_pending(wpa_s) == 1) | |
648 | pending = 1; | |
649 | wpa_s = wpa_s->next; | |
650 | } | |
651 | #endif /* CONFIG_WPS */ | |
652 | if (pending) | |
653 | return; | |
654 | eloop_terminate(); | |
655 | } | |
656 | ||
657 | ||
0456ea16 | 658 | static void wpa_supplicant_terminate(int sig, void *signal_ctx) |
6fc6879b | 659 | { |
0456ea16 | 660 | struct wpa_global *global = signal_ctx; |
1a1bf008 | 661 | wpa_supplicant_terminate_proc(global); |
6fc6879b JM |
662 | } |
663 | ||
664 | ||
b22128ef | 665 | void wpa_supplicant_clear_status(struct wpa_supplicant *wpa_s) |
6fc6879b | 666 | { |
71934751 | 667 | enum wpa_states old_state = wpa_s->wpa_state; |
27f43d8d | 668 | |
6fc6879b JM |
669 | wpa_s->pairwise_cipher = 0; |
670 | wpa_s->group_cipher = 0; | |
671 | wpa_s->mgmt_group_cipher = 0; | |
672 | wpa_s->key_mgmt = 0; | |
8401a6b0 JM |
673 | if (wpa_s->wpa_state != WPA_INTERFACE_DISABLED) |
674 | wpa_s->wpa_state = WPA_DISCONNECTED; | |
27f43d8d MH |
675 | |
676 | if (wpa_s->wpa_state != old_state) | |
677 | wpas_notify_state_changed(wpa_s, wpa_s->wpa_state, old_state); | |
6fc6879b JM |
678 | } |
679 | ||
680 | ||
681 | /** | |
682 | * wpa_supplicant_reload_configuration - Reload configuration data | |
683 | * @wpa_s: Pointer to wpa_supplicant data | |
684 | * Returns: 0 on success or -1 if configuration parsing failed | |
685 | * | |
686 | * This function can be used to request that the configuration data is reloaded | |
687 | * (e.g., after configuration file change). This function is reloading | |
688 | * configuration only for one interface, so this may need to be called multiple | |
689 | * times if %wpa_supplicant is controlling multiple interfaces and all | |
690 | * interfaces need reconfiguration. | |
691 | */ | |
692 | int wpa_supplicant_reload_configuration(struct wpa_supplicant *wpa_s) | |
693 | { | |
694 | struct wpa_config *conf; | |
695 | int reconf_ctrl; | |
8bac466b JM |
696 | int old_ap_scan; |
697 | ||
6fc6879b JM |
698 | if (wpa_s->confname == NULL) |
699 | return -1; | |
700 | conf = wpa_config_read(wpa_s->confname); | |
701 | if (conf == NULL) { | |
702 | wpa_msg(wpa_s, MSG_ERROR, "Failed to parse the configuration " | |
703 | "file '%s' - exiting", wpa_s->confname); | |
704 | return -1; | |
705 | } | |
611aea7d | 706 | conf->changed_parameters = (unsigned int) -1; |
6fc6879b JM |
707 | |
708 | reconf_ctrl = !!conf->ctrl_interface != !!wpa_s->conf->ctrl_interface | |
709 | || (conf->ctrl_interface && wpa_s->conf->ctrl_interface && | |
710 | os_strcmp(conf->ctrl_interface, | |
711 | wpa_s->conf->ctrl_interface) != 0); | |
712 | ||
713 | if (reconf_ctrl && wpa_s->ctrl_iface) { | |
714 | wpa_supplicant_ctrl_iface_deinit(wpa_s->ctrl_iface); | |
715 | wpa_s->ctrl_iface = NULL; | |
716 | } | |
717 | ||
718 | eapol_sm_invalidate_cached_session(wpa_s->eapol); | |
7b7ce8aa JM |
719 | if (wpa_s->current_ssid) { |
720 | wpa_supplicant_deauthenticate(wpa_s, | |
721 | WLAN_REASON_DEAUTH_LEAVING); | |
722 | } | |
8bac466b | 723 | |
6fc6879b JM |
724 | /* |
725 | * TODO: should notify EAPOL SM about changes in opensc_engine_path, | |
726 | * pkcs11_engine_path, pkcs11_module_path. | |
727 | */ | |
56586197 | 728 | if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) { |
6fc6879b JM |
729 | /* |
730 | * Clear forced success to clear EAP state for next | |
731 | * authentication. | |
732 | */ | |
733 | eapol_sm_notify_eap_success(wpa_s->eapol, FALSE); | |
734 | } | |
735 | eapol_sm_notify_config(wpa_s->eapol, NULL, NULL); | |
736 | wpa_sm_set_config(wpa_s->wpa, NULL); | |
d8a790b9 | 737 | wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL); |
6fc6879b JM |
738 | wpa_sm_set_fast_reauth(wpa_s->wpa, wpa_s->conf->fast_reauth); |
739 | rsn_preauth_deinit(wpa_s->wpa); | |
8bac466b JM |
740 | |
741 | old_ap_scan = wpa_s->conf->ap_scan; | |
6fc6879b JM |
742 | wpa_config_free(wpa_s->conf); |
743 | wpa_s->conf = conf; | |
8bac466b JM |
744 | if (old_ap_scan != wpa_s->conf->ap_scan) |
745 | wpas_notify_ap_scan_changed(wpa_s); | |
746 | ||
6fc6879b JM |
747 | if (reconf_ctrl) |
748 | wpa_s->ctrl_iface = wpa_supplicant_ctrl_iface_init(wpa_s); | |
749 | ||
611aea7d JM |
750 | wpa_supplicant_update_config(wpa_s); |
751 | ||
6fc6879b | 752 | wpa_supplicant_clear_status(wpa_s); |
349493bd | 753 | if (wpa_supplicant_enabled_networks(wpa_s)) { |
43a38635 JM |
754 | wpa_s->reassociate = 1; |
755 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
756 | } | |
f049052b | 757 | wpa_dbg(wpa_s, MSG_DEBUG, "Reconfiguration completed"); |
6fc6879b JM |
758 | return 0; |
759 | } | |
760 | ||
761 | ||
0456ea16 | 762 | static void wpa_supplicant_reconfig(int sig, void *signal_ctx) |
6fc6879b | 763 | { |
0456ea16 | 764 | struct wpa_global *global = signal_ctx; |
6fc6879b | 765 | struct wpa_supplicant *wpa_s; |
6fc6879b | 766 | for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) { |
f049052b BG |
767 | wpa_dbg(wpa_s, MSG_DEBUG, "Signal %d received - reconfiguring", |
768 | sig); | |
6fc6879b | 769 | if (wpa_supplicant_reload_configuration(wpa_s) < 0) { |
1a1bf008 | 770 | wpa_supplicant_terminate_proc(global); |
6fc6879b JM |
771 | } |
772 | } | |
773 | } | |
774 | ||
775 | ||
508545f3 | 776 | enum wpa_cipher cipher_suite2driver(int cipher) |
6fc6879b JM |
777 | { |
778 | switch (cipher) { | |
779 | case WPA_CIPHER_NONE: | |
780 | return CIPHER_NONE; | |
781 | case WPA_CIPHER_WEP40: | |
782 | return CIPHER_WEP40; | |
783 | case WPA_CIPHER_WEP104: | |
784 | return CIPHER_WEP104; | |
785 | case WPA_CIPHER_CCMP: | |
786 | return CIPHER_CCMP; | |
787 | case WPA_CIPHER_TKIP: | |
788 | default: | |
789 | return CIPHER_TKIP; | |
790 | } | |
791 | } | |
792 | ||
793 | ||
508545f3 | 794 | enum wpa_key_mgmt key_mgmt2driver(int key_mgmt) |
6fc6879b JM |
795 | { |
796 | switch (key_mgmt) { | |
797 | case WPA_KEY_MGMT_NONE: | |
798 | return KEY_MGMT_NONE; | |
799 | case WPA_KEY_MGMT_IEEE8021X_NO_WPA: | |
800 | return KEY_MGMT_802_1X_NO_WPA; | |
801 | case WPA_KEY_MGMT_IEEE8021X: | |
802 | return KEY_MGMT_802_1X; | |
803 | case WPA_KEY_MGMT_WPA_NONE: | |
804 | return KEY_MGMT_WPA_NONE; | |
805 | case WPA_KEY_MGMT_FT_IEEE8021X: | |
806 | return KEY_MGMT_FT_802_1X; | |
807 | case WPA_KEY_MGMT_FT_PSK: | |
808 | return KEY_MGMT_FT_PSK; | |
56586197 JM |
809 | case WPA_KEY_MGMT_IEEE8021X_SHA256: |
810 | return KEY_MGMT_802_1X_SHA256; | |
811 | case WPA_KEY_MGMT_PSK_SHA256: | |
812 | return KEY_MGMT_PSK_SHA256; | |
ad08c363 JM |
813 | case WPA_KEY_MGMT_WPS: |
814 | return KEY_MGMT_WPS; | |
6fc6879b JM |
815 | case WPA_KEY_MGMT_PSK: |
816 | default: | |
817 | return KEY_MGMT_PSK; | |
818 | } | |
819 | } | |
820 | ||
821 | ||
822 | static int wpa_supplicant_suites_from_ai(struct wpa_supplicant *wpa_s, | |
823 | struct wpa_ssid *ssid, | |
824 | struct wpa_ie_data *ie) | |
825 | { | |
826 | int ret = wpa_sm_parse_own_wpa_ie(wpa_s->wpa, ie); | |
827 | if (ret) { | |
828 | if (ret == -2) { | |
829 | wpa_msg(wpa_s, MSG_INFO, "WPA: Failed to parse WPA IE " | |
830 | "from association info"); | |
831 | } | |
832 | return -1; | |
833 | } | |
834 | ||
f049052b BG |
835 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Using WPA IE from AssocReq to set " |
836 | "cipher suites"); | |
6fc6879b JM |
837 | if (!(ie->group_cipher & ssid->group_cipher)) { |
838 | wpa_msg(wpa_s, MSG_INFO, "WPA: Driver used disabled group " | |
839 | "cipher 0x%x (mask 0x%x) - reject", | |
840 | ie->group_cipher, ssid->group_cipher); | |
841 | return -1; | |
842 | } | |
843 | if (!(ie->pairwise_cipher & ssid->pairwise_cipher)) { | |
844 | wpa_msg(wpa_s, MSG_INFO, "WPA: Driver used disabled pairwise " | |
845 | "cipher 0x%x (mask 0x%x) - reject", | |
846 | ie->pairwise_cipher, ssid->pairwise_cipher); | |
847 | return -1; | |
848 | } | |
849 | if (!(ie->key_mgmt & ssid->key_mgmt)) { | |
850 | wpa_msg(wpa_s, MSG_INFO, "WPA: Driver used disabled key " | |
851 | "management 0x%x (mask 0x%x) - reject", | |
852 | ie->key_mgmt, ssid->key_mgmt); | |
853 | return -1; | |
854 | } | |
855 | ||
856 | #ifdef CONFIG_IEEE80211W | |
0b60b0aa | 857 | if (!(ie->capabilities & WPA_CAPABILITY_MFPC) && |
70f8cc8e | 858 | ssid->ieee80211w == MGMT_FRAME_PROTECTION_REQUIRED) { |
6fc6879b JM |
859 | wpa_msg(wpa_s, MSG_INFO, "WPA: Driver associated with an AP " |
860 | "that does not support management frame protection - " | |
861 | "reject"); | |
862 | return -1; | |
863 | } | |
864 | #endif /* CONFIG_IEEE80211W */ | |
865 | ||
866 | return 0; | |
867 | } | |
868 | ||
869 | ||
870 | /** | |
871 | * wpa_supplicant_set_suites - Set authentication and encryption parameters | |
872 | * @wpa_s: Pointer to wpa_supplicant data | |
873 | * @bss: Scan results for the selected BSS, or %NULL if not available | |
874 | * @ssid: Configuration data for the selected network | |
875 | * @wpa_ie: Buffer for the WPA/RSN IE | |
876 | * @wpa_ie_len: Maximum wpa_ie buffer size on input. This is changed to be the | |
877 | * used buffer length in case the functions returns success. | |
878 | * Returns: 0 on success or -1 on failure | |
879 | * | |
880 | * This function is used to configure authentication and encryption parameters | |
881 | * based on the network configuration and scan result for the selected BSS (if | |
882 | * available). | |
883 | */ | |
884 | int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s, | |
6fa81a3b | 885 | struct wpa_bss *bss, struct wpa_ssid *ssid, |
6fc6879b JM |
886 | u8 *wpa_ie, size_t *wpa_ie_len) |
887 | { | |
888 | struct wpa_ie_data ie; | |
889 | int sel, proto; | |
890 | const u8 *bss_wpa, *bss_rsn; | |
891 | ||
892 | if (bss) { | |
6fa81a3b JM |
893 | bss_wpa = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE); |
894 | bss_rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN); | |
6fc6879b JM |
895 | } else |
896 | bss_wpa = bss_rsn = NULL; | |
897 | ||
898 | if (bss_rsn && (ssid->proto & WPA_PROTO_RSN) && | |
899 | wpa_parse_wpa_ie(bss_rsn, 2 + bss_rsn[1], &ie) == 0 && | |
900 | (ie.group_cipher & ssid->group_cipher) && | |
901 | (ie.pairwise_cipher & ssid->pairwise_cipher) && | |
902 | (ie.key_mgmt & ssid->key_mgmt)) { | |
f049052b | 903 | wpa_dbg(wpa_s, MSG_DEBUG, "RSN: using IEEE 802.11i/D9.0"); |
6fc6879b JM |
904 | proto = WPA_PROTO_RSN; |
905 | } else if (bss_wpa && (ssid->proto & WPA_PROTO_WPA) && | |
906 | wpa_parse_wpa_ie(bss_wpa, 2 +bss_wpa[1], &ie) == 0 && | |
907 | (ie.group_cipher & ssid->group_cipher) && | |
908 | (ie.pairwise_cipher & ssid->pairwise_cipher) && | |
909 | (ie.key_mgmt & ssid->key_mgmt)) { | |
f049052b | 910 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using IEEE 802.11i/D3.0"); |
6fc6879b JM |
911 | proto = WPA_PROTO_WPA; |
912 | } else if (bss) { | |
913 | wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to select WPA/RSN"); | |
914 | return -1; | |
915 | } else { | |
916 | if (ssid->proto & WPA_PROTO_RSN) | |
917 | proto = WPA_PROTO_RSN; | |
918 | else | |
919 | proto = WPA_PROTO_WPA; | |
920 | if (wpa_supplicant_suites_from_ai(wpa_s, ssid, &ie) < 0) { | |
921 | os_memset(&ie, 0, sizeof(ie)); | |
922 | ie.group_cipher = ssid->group_cipher; | |
923 | ie.pairwise_cipher = ssid->pairwise_cipher; | |
924 | ie.key_mgmt = ssid->key_mgmt; | |
925 | #ifdef CONFIG_IEEE80211W | |
926 | ie.mgmt_group_cipher = | |
70f8cc8e | 927 | ssid->ieee80211w != NO_MGMT_FRAME_PROTECTION ? |
6fc6879b JM |
928 | WPA_CIPHER_AES_128_CMAC : 0; |
929 | #endif /* CONFIG_IEEE80211W */ | |
f049052b BG |
930 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Set cipher suites " |
931 | "based on configuration"); | |
6fc6879b JM |
932 | } else |
933 | proto = ie.proto; | |
934 | } | |
935 | ||
f049052b BG |
936 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Selected cipher suites: group %d " |
937 | "pairwise %d key_mgmt %d proto %d", | |
938 | ie.group_cipher, ie.pairwise_cipher, ie.key_mgmt, proto); | |
6fc6879b JM |
939 | #ifdef CONFIG_IEEE80211W |
940 | if (ssid->ieee80211w) { | |
f049052b BG |
941 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Selected mgmt group cipher %d", |
942 | ie.mgmt_group_cipher); | |
6fc6879b JM |
943 | } |
944 | #endif /* CONFIG_IEEE80211W */ | |
945 | ||
64fa840a | 946 | wpa_s->wpa_proto = proto; |
6fc6879b JM |
947 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_PROTO, proto); |
948 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_RSN_ENABLED, | |
949 | !!(ssid->proto & WPA_PROTO_RSN)); | |
950 | ||
951 | if (bss || !wpa_s->ap_ies_from_associnfo) { | |
952 | if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, bss_wpa, | |
953 | bss_wpa ? 2 + bss_wpa[1] : 0) || | |
954 | wpa_sm_set_ap_rsn_ie(wpa_s->wpa, bss_rsn, | |
955 | bss_rsn ? 2 + bss_rsn[1] : 0)) | |
956 | return -1; | |
957 | } | |
958 | ||
959 | sel = ie.group_cipher & ssid->group_cipher; | |
960 | if (sel & WPA_CIPHER_CCMP) { | |
961 | wpa_s->group_cipher = WPA_CIPHER_CCMP; | |
f049052b | 962 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using GTK CCMP"); |
6fc6879b JM |
963 | } else if (sel & WPA_CIPHER_TKIP) { |
964 | wpa_s->group_cipher = WPA_CIPHER_TKIP; | |
f049052b | 965 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using GTK TKIP"); |
6fc6879b JM |
966 | } else if (sel & WPA_CIPHER_WEP104) { |
967 | wpa_s->group_cipher = WPA_CIPHER_WEP104; | |
f049052b | 968 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using GTK WEP104"); |
6fc6879b JM |
969 | } else if (sel & WPA_CIPHER_WEP40) { |
970 | wpa_s->group_cipher = WPA_CIPHER_WEP40; | |
f049052b | 971 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using GTK WEP40"); |
6fc6879b | 972 | } else { |
f049052b BG |
973 | wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to select group " |
974 | "cipher"); | |
6fc6879b JM |
975 | return -1; |
976 | } | |
977 | ||
978 | sel = ie.pairwise_cipher & ssid->pairwise_cipher; | |
979 | if (sel & WPA_CIPHER_CCMP) { | |
980 | wpa_s->pairwise_cipher = WPA_CIPHER_CCMP; | |
f049052b | 981 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using PTK CCMP"); |
6fc6879b JM |
982 | } else if (sel & WPA_CIPHER_TKIP) { |
983 | wpa_s->pairwise_cipher = WPA_CIPHER_TKIP; | |
f049052b | 984 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using PTK TKIP"); |
6fc6879b JM |
985 | } else if (sel & WPA_CIPHER_NONE) { |
986 | wpa_s->pairwise_cipher = WPA_CIPHER_NONE; | |
f049052b | 987 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using PTK NONE"); |
6fc6879b | 988 | } else { |
f049052b BG |
989 | wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to select pairwise " |
990 | "cipher"); | |
6fc6879b JM |
991 | return -1; |
992 | } | |
993 | ||
994 | sel = ie.key_mgmt & ssid->key_mgmt; | |
995 | if (0) { | |
996 | #ifdef CONFIG_IEEE80211R | |
997 | } else if (sel & WPA_KEY_MGMT_FT_IEEE8021X) { | |
998 | wpa_s->key_mgmt = WPA_KEY_MGMT_FT_IEEE8021X; | |
f049052b | 999 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT FT/802.1X"); |
6fc6879b JM |
1000 | } else if (sel & WPA_KEY_MGMT_FT_PSK) { |
1001 | wpa_s->key_mgmt = WPA_KEY_MGMT_FT_PSK; | |
f049052b | 1002 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT FT/PSK"); |
6fc6879b | 1003 | #endif /* CONFIG_IEEE80211R */ |
56586197 JM |
1004 | #ifdef CONFIG_IEEE80211W |
1005 | } else if (sel & WPA_KEY_MGMT_IEEE8021X_SHA256) { | |
1006 | wpa_s->key_mgmt = WPA_KEY_MGMT_IEEE8021X_SHA256; | |
f049052b | 1007 | wpa_dbg(wpa_s, MSG_DEBUG, |
56586197 JM |
1008 | "WPA: using KEY_MGMT 802.1X with SHA256"); |
1009 | } else if (sel & WPA_KEY_MGMT_PSK_SHA256) { | |
1010 | wpa_s->key_mgmt = WPA_KEY_MGMT_PSK_SHA256; | |
f049052b | 1011 | wpa_dbg(wpa_s, MSG_DEBUG, |
56586197 JM |
1012 | "WPA: using KEY_MGMT PSK with SHA256"); |
1013 | #endif /* CONFIG_IEEE80211W */ | |
6fc6879b JM |
1014 | } else if (sel & WPA_KEY_MGMT_IEEE8021X) { |
1015 | wpa_s->key_mgmt = WPA_KEY_MGMT_IEEE8021X; | |
f049052b | 1016 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT 802.1X"); |
6fc6879b JM |
1017 | } else if (sel & WPA_KEY_MGMT_PSK) { |
1018 | wpa_s->key_mgmt = WPA_KEY_MGMT_PSK; | |
f049052b | 1019 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT WPA-PSK"); |
6fc6879b JM |
1020 | } else if (sel & WPA_KEY_MGMT_WPA_NONE) { |
1021 | wpa_s->key_mgmt = WPA_KEY_MGMT_WPA_NONE; | |
f049052b | 1022 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT WPA-NONE"); |
6fc6879b | 1023 | } else { |
f049052b BG |
1024 | wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to select " |
1025 | "authenticated key management type"); | |
6fc6879b JM |
1026 | return -1; |
1027 | } | |
1028 | ||
1029 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_KEY_MGMT, wpa_s->key_mgmt); | |
1030 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_PAIRWISE, | |
1031 | wpa_s->pairwise_cipher); | |
1032 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_GROUP, wpa_s->group_cipher); | |
1033 | ||
1034 | #ifdef CONFIG_IEEE80211W | |
1035 | sel = ie.mgmt_group_cipher; | |
70f8cc8e | 1036 | if (ssid->ieee80211w == NO_MGMT_FRAME_PROTECTION || |
0b60b0aa | 1037 | !(ie.capabilities & WPA_CAPABILITY_MFPC)) |
6fc6879b JM |
1038 | sel = 0; |
1039 | if (sel & WPA_CIPHER_AES_128_CMAC) { | |
1040 | wpa_s->mgmt_group_cipher = WPA_CIPHER_AES_128_CMAC; | |
f049052b | 1041 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using MGMT group cipher " |
6fc6879b JM |
1042 | "AES-128-CMAC"); |
1043 | } else { | |
1044 | wpa_s->mgmt_group_cipher = 0; | |
f049052b | 1045 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: not using MGMT group cipher"); |
6fc6879b JM |
1046 | } |
1047 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_MGMT_GROUP, | |
1048 | wpa_s->mgmt_group_cipher); | |
e820cf95 | 1049 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_MFP, ssid->ieee80211w); |
6fc6879b JM |
1050 | #endif /* CONFIG_IEEE80211W */ |
1051 | ||
1052 | if (wpa_sm_set_assoc_wpa_ie_default(wpa_s->wpa, wpa_ie, wpa_ie_len)) { | |
f049052b | 1053 | wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to generate WPA IE"); |
6fc6879b JM |
1054 | return -1; |
1055 | } | |
1056 | ||
0bf927a0 | 1057 | if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt)) { |
6fc6879b | 1058 | wpa_sm_set_pmk(wpa_s->wpa, ssid->psk, PMK_LEN); |
7d232e23 ZC |
1059 | #ifndef CONFIG_NO_PBKDF2 |
1060 | if (bss && ssid->bssid_set && ssid->ssid_len == 0 && | |
1061 | ssid->passphrase) { | |
1062 | u8 psk[PMK_LEN]; | |
1063 | pbkdf2_sha1(ssid->passphrase, (char *) bss->ssid, | |
1064 | bss->ssid_len, 4096, psk, PMK_LEN); | |
1065 | wpa_hexdump_key(MSG_MSGDUMP, "PSK (from passphrase)", | |
1066 | psk, PMK_LEN); | |
1067 | wpa_sm_set_pmk(wpa_s->wpa, psk, PMK_LEN); | |
1068 | } | |
1069 | #endif /* CONFIG_NO_PBKDF2 */ | |
1070 | } else | |
6fc6879b JM |
1071 | wpa_sm_set_pmk_from_pmksa(wpa_s->wpa); |
1072 | ||
1073 | return 0; | |
1074 | } | |
1075 | ||
1076 | ||
1077 | /** | |
1078 | * wpa_supplicant_associate - Request association | |
1079 | * @wpa_s: Pointer to wpa_supplicant data | |
1080 | * @bss: Scan results for the selected BSS, or %NULL if not available | |
1081 | * @ssid: Configuration data for the selected network | |
1082 | * | |
1083 | * This function is used to request %wpa_supplicant to associate with a BSS. | |
1084 | */ | |
1085 | void wpa_supplicant_associate(struct wpa_supplicant *wpa_s, | |
6fa81a3b | 1086 | struct wpa_bss *bss, struct wpa_ssid *ssid) |
6fc6879b | 1087 | { |
5f3a6aa0 | 1088 | u8 wpa_ie[200]; |
6fc6879b | 1089 | size_t wpa_ie_len; |
8bac466b | 1090 | int use_crypt, ret, i, bssid_changed; |
abd9fafa | 1091 | int algs = WPA_AUTH_ALG_OPEN; |
71934751 | 1092 | enum wpa_cipher cipher_pairwise, cipher_group; |
6fc6879b JM |
1093 | struct wpa_driver_associate_params params; |
1094 | int wep_keys_set = 0; | |
1095 | struct wpa_driver_capa capa; | |
1096 | int assoc_failed = 0; | |
8bac466b | 1097 | struct wpa_ssid *old_ssid; |
80e8a5ee BG |
1098 | #ifdef CONFIG_HT_OVERRIDES |
1099 | struct ieee80211_ht_capabilities htcaps; | |
1100 | struct ieee80211_ht_capabilities htcaps_mask; | |
1101 | #endif /* CONFIG_HT_OVERRIDES */ | |
6fc6879b | 1102 | |
78177a00 JM |
1103 | #ifdef CONFIG_IBSS_RSN |
1104 | ibss_rsn_deinit(wpa_s->ibss_rsn); | |
1105 | wpa_s->ibss_rsn = NULL; | |
1106 | #endif /* CONFIG_IBSS_RSN */ | |
1107 | ||
2c5d725c JM |
1108 | if (ssid->mode == WPAS_MODE_AP || ssid->mode == WPAS_MODE_P2P_GO || |
1109 | ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) { | |
1581b38b JM |
1110 | #ifdef CONFIG_AP |
1111 | if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP)) { | |
f049052b BG |
1112 | wpa_msg(wpa_s, MSG_INFO, "Driver does not support AP " |
1113 | "mode"); | |
1581b38b JM |
1114 | return; |
1115 | } | |
1116 | wpa_supplicant_create_ap(wpa_s, ssid); | |
8f770587 | 1117 | wpa_s->current_bss = bss; |
1581b38b | 1118 | #else /* CONFIG_AP */ |
f049052b BG |
1119 | wpa_msg(wpa_s, MSG_ERROR, "AP mode support not included in " |
1120 | "the build"); | |
1581b38b JM |
1121 | #endif /* CONFIG_AP */ |
1122 | return; | |
1123 | } | |
1124 | ||
52c9e6f3 | 1125 | #ifdef CONFIG_TDLS |
95cb2d88 JM |
1126 | if (bss) |
1127 | wpa_tdls_ap_ies(wpa_s->wpa, (const u8 *) (bss + 1), | |
1128 | bss->ie_len); | |
52c9e6f3 JM |
1129 | #endif /* CONFIG_TDLS */ |
1130 | ||
5cc4d64b JM |
1131 | if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) && |
1132 | ssid->mode == IEEE80211_MODE_INFRA) { | |
c2a04078 JM |
1133 | sme_authenticate(wpa_s, bss, ssid); |
1134 | return; | |
1135 | } | |
1136 | ||
0c80427d | 1137 | os_memset(¶ms, 0, sizeof(params)); |
6fc6879b | 1138 | wpa_s->reassociate = 0; |
22628eca | 1139 | if (bss && !wpas_driver_bss_selection(wpa_s)) { |
6fc6879b | 1140 | #ifdef CONFIG_IEEE80211R |
6fa81a3b | 1141 | const u8 *ie, *md = NULL; |
6fc6879b | 1142 | #endif /* CONFIG_IEEE80211R */ |
6fc6879b JM |
1143 | wpa_msg(wpa_s, MSG_INFO, "Trying to associate with " MACSTR |
1144 | " (SSID='%s' freq=%d MHz)", MAC2STR(bss->bssid), | |
6fa81a3b | 1145 | wpa_ssid_txt(bss->ssid, bss->ssid_len), bss->freq); |
8bac466b | 1146 | bssid_changed = !is_zero_ether_addr(wpa_s->bssid); |
6fc6879b JM |
1147 | os_memset(wpa_s->bssid, 0, ETH_ALEN); |
1148 | os_memcpy(wpa_s->pending_bssid, bss->bssid, ETH_ALEN); | |
8bac466b JM |
1149 | if (bssid_changed) |
1150 | wpas_notify_bssid_changed(wpa_s); | |
6fc6879b | 1151 | #ifdef CONFIG_IEEE80211R |
6fa81a3b | 1152 | ie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN); |
6fc6879b JM |
1153 | if (ie && ie[1] >= MOBILITY_DOMAIN_ID_LEN) |
1154 | md = ie + 2; | |
e7846b68 | 1155 | wpa_sm_set_ft_params(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0); |
91a05482 JM |
1156 | if (md) { |
1157 | /* Prepare for the next transition */ | |
76b7981d | 1158 | wpa_ft_prepare_auth_request(wpa_s->wpa, ie); |
91a05482 | 1159 | } |
6fc6879b | 1160 | #endif /* CONFIG_IEEE80211R */ |
24c23d1b JM |
1161 | #ifdef CONFIG_WPS |
1162 | } else if ((ssid->ssid == NULL || ssid->ssid_len == 0) && | |
1163 | wpa_s->conf->ap_scan == 2 && | |
1164 | (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) { | |
1165 | /* Use ap_scan==1 style network selection to find the network | |
1166 | */ | |
1167 | wpa_s->scan_req = 2; | |
1168 | wpa_s->reassociate = 1; | |
1169 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
1170 | return; | |
1171 | #endif /* CONFIG_WPS */ | |
6fc6879b JM |
1172 | } else { |
1173 | wpa_msg(wpa_s, MSG_INFO, "Trying to associate with SSID '%s'", | |
1174 | wpa_ssid_txt(ssid->ssid, ssid->ssid_len)); | |
1175 | os_memset(wpa_s->pending_bssid, 0, ETH_ALEN); | |
1176 | } | |
a4cba8f1 | 1177 | wpa_supplicant_cancel_sched_scan(wpa_s); |
6fc6879b JM |
1178 | wpa_supplicant_cancel_scan(wpa_s); |
1179 | ||
1180 | /* Starting new association, so clear the possibly used WPA IE from the | |
1181 | * previous association. */ | |
1182 | wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0); | |
1183 | ||
1184 | #ifdef IEEE8021X_EAPOL | |
1185 | if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) { | |
1186 | if (ssid->leap) { | |
1187 | if (ssid->non_leap == 0) | |
abd9fafa | 1188 | algs = WPA_AUTH_ALG_LEAP; |
6fc6879b | 1189 | else |
abd9fafa | 1190 | algs |= WPA_AUTH_ALG_LEAP; |
6fc6879b JM |
1191 | } |
1192 | } | |
1193 | #endif /* IEEE8021X_EAPOL */ | |
f049052b | 1194 | wpa_dbg(wpa_s, MSG_DEBUG, "Automatic auth_alg selection: 0x%x", algs); |
6fc6879b | 1195 | if (ssid->auth_alg) { |
abd9fafa | 1196 | algs = ssid->auth_alg; |
f049052b BG |
1197 | wpa_dbg(wpa_s, MSG_DEBUG, "Overriding auth_alg selection: " |
1198 | "0x%x", algs); | |
6fc6879b | 1199 | } |
6fc6879b | 1200 | |
6fa81a3b JM |
1201 | if (bss && (wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE) || |
1202 | wpa_bss_get_ie(bss, WLAN_EID_RSN)) && | |
0bf927a0 | 1203 | wpa_key_mgmt_wpa(ssid->key_mgmt)) { |
6fc6879b JM |
1204 | int try_opportunistic; |
1205 | try_opportunistic = ssid->proactive_key_caching && | |
1206 | (ssid->proto & WPA_PROTO_RSN); | |
1207 | if (pmksa_cache_set_current(wpa_s->wpa, NULL, bss->bssid, | |
1208 | wpa_s->current_ssid, | |
1209 | try_opportunistic) == 0) | |
1210 | eapol_sm_notify_pmkid_attempt(wpa_s->eapol, 1); | |
1211 | wpa_ie_len = sizeof(wpa_ie); | |
1212 | if (wpa_supplicant_set_suites(wpa_s, bss, ssid, | |
1213 | wpa_ie, &wpa_ie_len)) { | |
f049052b BG |
1214 | wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to set WPA " |
1215 | "key management and encryption suites"); | |
6fc6879b JM |
1216 | return; |
1217 | } | |
0bf927a0 | 1218 | } else if (wpa_key_mgmt_wpa_any(ssid->key_mgmt)) { |
6fc6879b JM |
1219 | wpa_ie_len = sizeof(wpa_ie); |
1220 | if (wpa_supplicant_set_suites(wpa_s, NULL, ssid, | |
1221 | wpa_ie, &wpa_ie_len)) { | |
f049052b BG |
1222 | wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to set WPA " |
1223 | "key management and encryption suites (no " | |
1224 | "scan results)"); | |
6fc6879b JM |
1225 | return; |
1226 | } | |
ad08c363 JM |
1227 | #ifdef CONFIG_WPS |
1228 | } else if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) { | |
b01c18a8 JM |
1229 | struct wpabuf *wps_ie; |
1230 | wps_ie = wps_build_assoc_req_ie(wpas_wps_get_req_type(ssid)); | |
ad08c363 JM |
1231 | if (wps_ie && wpabuf_len(wps_ie) <= sizeof(wpa_ie)) { |
1232 | wpa_ie_len = wpabuf_len(wps_ie); | |
1233 | os_memcpy(wpa_ie, wpabuf_head(wps_ie), wpa_ie_len); | |
24386985 JM |
1234 | } else |
1235 | wpa_ie_len = 0; | |
ad08c363 JM |
1236 | wpabuf_free(wps_ie); |
1237 | wpa_supplicant_set_non_wpa_policy(wpa_s, ssid); | |
0c80427d JM |
1238 | if (!bss || (bss->caps & IEEE80211_CAP_PRIVACY)) |
1239 | params.wps = WPS_MODE_PRIVACY; | |
1240 | else | |
1241 | params.wps = WPS_MODE_OPEN; | |
cf546f1a | 1242 | wpa_s->wpa_proto = 0; |
ad08c363 | 1243 | #endif /* CONFIG_WPS */ |
6fc6879b JM |
1244 | } else { |
1245 | wpa_supplicant_set_non_wpa_policy(wpa_s, ssid); | |
1246 | wpa_ie_len = 0; | |
cf546f1a | 1247 | wpa_s->wpa_proto = 0; |
6fc6879b JM |
1248 | } |
1249 | ||
5f3a6aa0 JM |
1250 | #ifdef CONFIG_P2P |
1251 | if (wpa_s->global->p2p) { | |
1252 | u8 *pos; | |
1253 | size_t len; | |
1254 | int res; | |
5f3a6aa0 JM |
1255 | pos = wpa_ie + wpa_ie_len; |
1256 | len = sizeof(wpa_ie) - wpa_ie_len; | |
b8a8d677 JM |
1257 | res = wpas_p2p_assoc_req_ie(wpa_s, bss, pos, len, |
1258 | ssid->p2p_group); | |
5f3a6aa0 JM |
1259 | if (res >= 0) |
1260 | wpa_ie_len += res; | |
1261 | } | |
72044390 JM |
1262 | |
1263 | wpa_s->cross_connect_disallowed = 0; | |
1264 | if (bss) { | |
1265 | struct wpabuf *p2p; | |
1266 | p2p = wpa_bss_get_vendor_ie_multi(bss, P2P_IE_VENDOR_TYPE); | |
1267 | if (p2p) { | |
1268 | wpa_s->cross_connect_disallowed = | |
1269 | p2p_get_cross_connect_disallowed(p2p); | |
1270 | wpabuf_free(p2p); | |
f049052b BG |
1271 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: WLAN AP %s cross " |
1272 | "connection", | |
1273 | wpa_s->cross_connect_disallowed ? | |
1274 | "disallows" : "allows"); | |
72044390 JM |
1275 | } |
1276 | } | |
5f3a6aa0 JM |
1277 | #endif /* CONFIG_P2P */ |
1278 | ||
cb418324 JM |
1279 | #ifdef CONFIG_HS20 |
1280 | if (wpa_s->conf->hs20) { | |
1281 | struct wpabuf *hs20; | |
1282 | hs20 = wpabuf_alloc(20); | |
1283 | if (hs20) { | |
1284 | wpas_hs20_add_indication(hs20); | |
1285 | os_memcpy(wpa_ie + wpa_ie_len, wpabuf_head(hs20), | |
1286 | wpabuf_len(hs20)); | |
1287 | wpa_ie_len += wpabuf_len(hs20); | |
1288 | wpabuf_free(hs20); | |
1289 | } | |
1290 | } | |
1291 | #endif /* CONFIG_HS20 */ | |
1292 | ||
92cbcf91 JM |
1293 | #ifdef CONFIG_INTERWORKING |
1294 | if (wpa_s->conf->interworking) { | |
1295 | u8 *pos = wpa_ie; | |
1296 | if (wpa_ie_len > 0 && pos[0] == WLAN_EID_RSN) | |
1297 | pos += 2 + pos[1]; | |
1298 | os_memmove(pos + 6, pos, wpa_ie_len - (pos - wpa_ie)); | |
1299 | wpa_ie_len += 6; | |
1300 | *pos++ = WLAN_EID_EXT_CAPAB; | |
1301 | *pos++ = 4; | |
1302 | *pos++ = 0x00; | |
1303 | *pos++ = 0x00; | |
1304 | *pos++ = 0x00; | |
1305 | *pos++ = 0x80; /* Bit 31 - Interworking */ | |
1306 | } | |
1307 | #endif /* CONFIG_INTERWORKING */ | |
1308 | ||
6fc6879b JM |
1309 | wpa_clear_keys(wpa_s, bss ? bss->bssid : NULL); |
1310 | use_crypt = 1; | |
1311 | cipher_pairwise = cipher_suite2driver(wpa_s->pairwise_cipher); | |
1312 | cipher_group = cipher_suite2driver(wpa_s->group_cipher); | |
1313 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE || | |
1314 | wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) { | |
1315 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE) | |
1316 | use_crypt = 0; | |
1317 | if (wpa_set_wep_keys(wpa_s, ssid)) { | |
1318 | use_crypt = 1; | |
1319 | wep_keys_set = 1; | |
1320 | } | |
1321 | } | |
ad08c363 JM |
1322 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS) |
1323 | use_crypt = 0; | |
6fc6879b JM |
1324 | |
1325 | #ifdef IEEE8021X_EAPOL | |
1326 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) { | |
1327 | if ((ssid->eapol_flags & | |
1328 | (EAPOL_FLAG_REQUIRE_KEY_UNICAST | | |
1329 | EAPOL_FLAG_REQUIRE_KEY_BROADCAST)) == 0 && | |
1330 | !wep_keys_set) { | |
1331 | use_crypt = 0; | |
1332 | } else { | |
1333 | /* Assume that dynamic WEP-104 keys will be used and | |
1334 | * set cipher suites in order for drivers to expect | |
1335 | * encryption. */ | |
1336 | cipher_pairwise = cipher_group = CIPHER_WEP104; | |
1337 | } | |
1338 | } | |
1339 | #endif /* IEEE8021X_EAPOL */ | |
1340 | ||
1341 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) { | |
1342 | /* Set the key before (and later after) association */ | |
1343 | wpa_supplicant_set_wpa_none_key(wpa_s, ssid); | |
1344 | } | |
1345 | ||
6fc6879b | 1346 | wpa_supplicant_set_state(wpa_s, WPA_ASSOCIATING); |
6fc6879b | 1347 | if (bss) { |
6fa81a3b JM |
1348 | params.ssid = bss->ssid; |
1349 | params.ssid_len = bss->ssid_len; | |
f15854d1 JM |
1350 | if (!wpas_driver_bss_selection(wpa_s) || ssid->bssid_set) { |
1351 | wpa_printf(MSG_DEBUG, "Limit connection to BSSID " | |
1352 | MACSTR " freq=%u MHz based on scan results " | |
1353 | "(bssid_set=%d)", | |
1354 | MAC2STR(bss->bssid), bss->freq, | |
1355 | ssid->bssid_set); | |
22628eca JM |
1356 | params.bssid = bss->bssid; |
1357 | params.freq = bss->freq; | |
1358 | } | |
6fc6879b JM |
1359 | } else { |
1360 | params.ssid = ssid->ssid; | |
1361 | params.ssid_len = ssid->ssid_len; | |
1362 | } | |
9e2af29f NC |
1363 | |
1364 | if (ssid->mode == WPAS_MODE_IBSS && ssid->bssid_set && | |
1365 | wpa_s->conf->ap_scan == 2) { | |
1366 | params.bssid = ssid->bssid; | |
1367 | params.fixed_bssid = 1; | |
1368 | } | |
1369 | ||
d7dcba70 JM |
1370 | if (ssid->mode == WPAS_MODE_IBSS && ssid->frequency > 0 && |
1371 | params.freq == 0) | |
6fc6879b JM |
1372 | params.freq = ssid->frequency; /* Initial channel for IBSS */ |
1373 | params.wpa_ie = wpa_ie; | |
1374 | params.wpa_ie_len = wpa_ie_len; | |
1375 | params.pairwise_suite = cipher_pairwise; | |
1376 | params.group_suite = cipher_group; | |
1377 | params.key_mgmt_suite = key_mgmt2driver(wpa_s->key_mgmt); | |
64fa840a | 1378 | params.wpa_proto = wpa_s->wpa_proto; |
6fc6879b JM |
1379 | params.auth_alg = algs; |
1380 | params.mode = ssid->mode; | |
1f6c0ab8 | 1381 | params.bg_scan_period = ssid->bg_scan_period; |
6fc6879b JM |
1382 | for (i = 0; i < NUM_WEP_KEYS; i++) { |
1383 | if (ssid->wep_key_len[i]) | |
1384 | params.wep_key[i] = ssid->wep_key[i]; | |
1385 | params.wep_key_len[i] = ssid->wep_key_len[i]; | |
1386 | } | |
1387 | params.wep_tx_keyidx = ssid->wep_tx_keyidx; | |
1388 | ||
c2a04078 | 1389 | if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) && |
6fc6879b JM |
1390 | (params.key_mgmt_suite == KEY_MGMT_PSK || |
1391 | params.key_mgmt_suite == KEY_MGMT_FT_PSK)) { | |
1392 | params.passphrase = ssid->passphrase; | |
1393 | if (ssid->psk_set) | |
1394 | params.psk = ssid->psk; | |
1395 | } | |
1396 | ||
36b15723 JM |
1397 | params.drop_unencrypted = use_crypt; |
1398 | ||
6fc6879b | 1399 | #ifdef CONFIG_IEEE80211W |
70f8cc8e JM |
1400 | params.mgmt_frame_protection = ssid->ieee80211w; |
1401 | if (ssid->ieee80211w != NO_MGMT_FRAME_PROTECTION && bss) { | |
6fa81a3b | 1402 | const u8 *rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN); |
97d3497e JM |
1403 | struct wpa_ie_data ie; |
1404 | if (rsn && wpa_parse_wpa_ie(rsn, 2 + rsn[1], &ie) == 0 && | |
1405 | ie.capabilities & | |
1406 | (WPA_CAPABILITY_MFPC | WPA_CAPABILITY_MFPR)) { | |
f049052b BG |
1407 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Selected AP supports " |
1408 | "MFP: require MFP"); | |
97d3497e JM |
1409 | params.mgmt_frame_protection = |
1410 | MGMT_FRAME_PROTECTION_REQUIRED; | |
1411 | } | |
1412 | } | |
6fc6879b JM |
1413 | #endif /* CONFIG_IEEE80211W */ |
1414 | ||
ffad8858 | 1415 | params.p2p = ssid->p2p_group; |
6e3f4b89 | 1416 | |
eea2fd9e JM |
1417 | if (wpa_s->parent->set_sta_uapsd) |
1418 | params.uapsd = wpa_s->parent->sta_uapsd; | |
1419 | else | |
1420 | params.uapsd = -1; | |
1421 | ||
80e8a5ee BG |
1422 | #ifdef CONFIG_HT_OVERRIDES |
1423 | os_memset(&htcaps, 0, sizeof(htcaps)); | |
1424 | os_memset(&htcaps_mask, 0, sizeof(htcaps_mask)); | |
1425 | params.htcaps = (u8 *) &htcaps; | |
1426 | params.htcaps_mask = (u8 *) &htcaps_mask; | |
1427 | wpa_supplicant_apply_ht_overrides(wpa_s, ssid, ¶ms); | |
1428 | #endif /* CONFIG_HT_OVERRIDES */ | |
1429 | ||
17fbb751 | 1430 | ret = wpa_drv_associate(wpa_s, ¶ms); |
6fc6879b JM |
1431 | if (ret < 0) { |
1432 | wpa_msg(wpa_s, MSG_INFO, "Association request to the driver " | |
1433 | "failed"); | |
871f4dd0 JM |
1434 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SANE_ERROR_CODES) { |
1435 | /* | |
1436 | * The driver is known to mean what is saying, so we | |
1437 | * can stop right here; the association will not | |
1438 | * succeed. | |
1439 | */ | |
1440 | wpas_connection_failed(wpa_s, wpa_s->pending_bssid); | |
1441 | os_memset(wpa_s->pending_bssid, 0, ETH_ALEN); | |
1442 | return; | |
1443 | } | |
6fc6879b JM |
1444 | /* try to continue anyway; new association will be tried again |
1445 | * after timeout */ | |
1446 | assoc_failed = 1; | |
1447 | } | |
1448 | ||
1449 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) { | |
1450 | /* Set the key after the association just in case association | |
1451 | * cleared the previously configured key. */ | |
1452 | wpa_supplicant_set_wpa_none_key(wpa_s, ssid); | |
1453 | /* No need to timeout authentication since there is no key | |
1454 | * management. */ | |
1455 | wpa_supplicant_cancel_auth_timeout(wpa_s); | |
1456 | wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); | |
53895c3b | 1457 | #ifdef CONFIG_IBSS_RSN |
d7dcba70 | 1458 | } else if (ssid->mode == WPAS_MODE_IBSS && |
53895c3b JM |
1459 | wpa_s->key_mgmt != WPA_KEY_MGMT_NONE && |
1460 | wpa_s->key_mgmt != WPA_KEY_MGMT_WPA_NONE) { | |
1461 | /* | |
1462 | * RSN IBSS authentication is per-STA and we can disable the | |
1463 | * per-BSSID authentication. | |
1464 | */ | |
1465 | wpa_supplicant_cancel_auth_timeout(wpa_s); | |
53895c3b | 1466 | #endif /* CONFIG_IBSS_RSN */ |
6fc6879b JM |
1467 | } else { |
1468 | /* Timeout for IEEE 802.11 authentication and association */ | |
1d3c75b3 DW |
1469 | int timeout = 60; |
1470 | ||
1471 | if (assoc_failed) { | |
1472 | /* give IBSS a bit more time */ | |
d7dcba70 | 1473 | timeout = ssid->mode == WPAS_MODE_IBSS ? 10 : 5; |
1d3c75b3 DW |
1474 | } else if (wpa_s->conf->ap_scan == 1) { |
1475 | /* give IBSS a bit more time */ | |
d7dcba70 | 1476 | timeout = ssid->mode == WPAS_MODE_IBSS ? 20 : 10; |
1d3c75b3 | 1477 | } |
6fc6879b JM |
1478 | wpa_supplicant_req_auth_timeout(wpa_s, timeout, 0); |
1479 | } | |
1480 | ||
1481 | if (wep_keys_set && wpa_drv_get_capa(wpa_s, &capa) == 0 && | |
1482 | capa.flags & WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC) { | |
1483 | /* Set static WEP keys again */ | |
1484 | wpa_set_wep_keys(wpa_s, ssid); | |
1485 | } | |
1486 | ||
1487 | if (wpa_s->current_ssid && wpa_s->current_ssid != ssid) { | |
1488 | /* | |
1489 | * Do not allow EAP session resumption between different | |
1490 | * network configurations. | |
1491 | */ | |
1492 | eapol_sm_invalidate_cached_session(wpa_s->eapol); | |
1493 | } | |
8bac466b | 1494 | old_ssid = wpa_s->current_ssid; |
6fc6879b | 1495 | wpa_s->current_ssid = ssid; |
8f770587 | 1496 | wpa_s->current_bss = bss; |
6fc6879b JM |
1497 | wpa_supplicant_rsn_supp_set_config(wpa_s, wpa_s->current_ssid); |
1498 | wpa_supplicant_initiate_eapol(wpa_s); | |
8bac466b JM |
1499 | if (old_ssid != wpa_s->current_ssid) |
1500 | wpas_notify_network_changed(wpa_s); | |
6fc6879b JM |
1501 | } |
1502 | ||
1503 | ||
09f58c09 JM |
1504 | static void wpa_supplicant_clear_connection(struct wpa_supplicant *wpa_s, |
1505 | const u8 *addr) | |
1506 | { | |
1507 | struct wpa_ssid *old_ssid; | |
1508 | ||
1509 | wpa_clear_keys(wpa_s, addr); | |
1510 | wpa_supplicant_mark_disassoc(wpa_s); | |
1511 | old_ssid = wpa_s->current_ssid; | |
1512 | wpa_s->current_ssid = NULL; | |
1513 | wpa_s->current_bss = NULL; | |
1514 | wpa_sm_set_config(wpa_s->wpa, NULL); | |
1515 | eapol_sm_notify_config(wpa_s->eapol, NULL, NULL); | |
1516 | if (old_ssid != wpa_s->current_ssid) | |
1517 | wpas_notify_network_changed(wpa_s); | |
1518 | eloop_cancel_timeout(wpa_supplicant_timeout, wpa_s, NULL); | |
1519 | } | |
1520 | ||
1521 | ||
6fc6879b JM |
1522 | /** |
1523 | * wpa_supplicant_disassociate - Disassociate the current connection | |
1524 | * @wpa_s: Pointer to wpa_supplicant data | |
1525 | * @reason_code: IEEE 802.11 reason code for the disassociate frame | |
1526 | * | |
1527 | * This function is used to request %wpa_supplicant to disassociate with the | |
1528 | * current AP. | |
1529 | */ | |
1530 | void wpa_supplicant_disassociate(struct wpa_supplicant *wpa_s, | |
1531 | int reason_code) | |
1532 | { | |
1533 | u8 *addr = NULL; | |
ef48ff94 | 1534 | union wpa_event_data event; |
8bac466b | 1535 | |
a8e16edc | 1536 | if (!is_zero_ether_addr(wpa_s->bssid)) { |
17fbb751 | 1537 | wpa_drv_disassociate(wpa_s, wpa_s->bssid, reason_code); |
6fc6879b | 1538 | addr = wpa_s->bssid; |
ef48ff94 JM |
1539 | os_memset(&event, 0, sizeof(event)); |
1540 | event.disassoc_info.reason_code = (u16) reason_code; | |
1541 | event.disassoc_info.locally_generated = 1; | |
1542 | wpa_supplicant_event(wpa_s, EVENT_DISASSOC, &event); | |
6fc6879b | 1543 | } |
09f58c09 JM |
1544 | |
1545 | wpa_supplicant_clear_connection(wpa_s, addr); | |
6fc6879b JM |
1546 | } |
1547 | ||
1548 | ||
1549 | /** | |
1550 | * wpa_supplicant_deauthenticate - Deauthenticate the current connection | |
1551 | * @wpa_s: Pointer to wpa_supplicant data | |
1552 | * @reason_code: IEEE 802.11 reason code for the deauthenticate frame | |
1553 | * | |
073ab58f | 1554 | * This function is used to request %wpa_supplicant to deauthenticate from the |
6fc6879b JM |
1555 | * current AP. |
1556 | */ | |
1557 | void wpa_supplicant_deauthenticate(struct wpa_supplicant *wpa_s, | |
1558 | int reason_code) | |
1559 | { | |
1560 | u8 *addr = NULL; | |
ef48ff94 | 1561 | union wpa_event_data event; |
8bac466b | 1562 | |
a8e16edc | 1563 | if (!is_zero_ether_addr(wpa_s->bssid)) { |
17fbb751 | 1564 | wpa_drv_deauthenticate(wpa_s, wpa_s->bssid, reason_code); |
6fc6879b | 1565 | addr = wpa_s->bssid; |
ef48ff94 JM |
1566 | os_memset(&event, 0, sizeof(event)); |
1567 | event.deauth_info.reason_code = (u16) reason_code; | |
1568 | event.deauth_info.locally_generated = 1; | |
1569 | wpa_supplicant_event(wpa_s, EVENT_DEAUTH, &event); | |
6fc6879b | 1570 | } |
09f58c09 JM |
1571 | |
1572 | wpa_supplicant_clear_connection(wpa_s, addr); | |
6fc6879b JM |
1573 | } |
1574 | ||
1575 | ||
86b89452 WS |
1576 | /** |
1577 | * wpa_supplicant_enable_network - Mark a configured network as enabled | |
1578 | * @wpa_s: wpa_supplicant structure for a network interface | |
1579 | * @ssid: wpa_ssid structure for a configured network or %NULL | |
1580 | * | |
1581 | * Enables the specified network or all networks if no network specified. | |
1582 | */ | |
1583 | void wpa_supplicant_enable_network(struct wpa_supplicant *wpa_s, | |
1584 | struct wpa_ssid *ssid) | |
1585 | { | |
1586 | struct wpa_ssid *other_ssid; | |
1587 | int was_disabled; | |
1588 | ||
1589 | if (ssid == NULL) { | |
4dac0245 JM |
1590 | for (other_ssid = wpa_s->conf->ssid; other_ssid; |
1591 | other_ssid = other_ssid->next) { | |
1592 | if (other_ssid->disabled == 2) | |
1593 | continue; /* do not change persistent P2P group | |
1594 | * data */ | |
86b89452 WS |
1595 | if (other_ssid == wpa_s->current_ssid && |
1596 | other_ssid->disabled) | |
1597 | wpa_s->reassociate = 1; | |
1598 | ||
1599 | was_disabled = other_ssid->disabled; | |
1600 | ||
1601 | other_ssid->disabled = 0; | |
1602 | ||
1603 | if (was_disabled != other_ssid->disabled) | |
1604 | wpas_notify_network_enabled_changed( | |
1605 | wpa_s, other_ssid); | |
86b89452 WS |
1606 | } |
1607 | if (wpa_s->reassociate) | |
1608 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
4dac0245 | 1609 | } else if (ssid->disabled && ssid->disabled != 2) { |
adc8d4a7 KM |
1610 | if (wpa_s->current_ssid == NULL) { |
1611 | /* | |
1612 | * Try to reassociate since there is no current | |
1613 | * configuration and a new network was made available. | |
1614 | */ | |
1615 | wpa_s->reassociate = 1; | |
1616 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
1617 | } | |
86b89452 WS |
1618 | |
1619 | was_disabled = ssid->disabled; | |
1620 | ||
1621 | ssid->disabled = 0; | |
1622 | ||
1623 | if (was_disabled != ssid->disabled) | |
1624 | wpas_notify_network_enabled_changed(wpa_s, ssid); | |
1625 | } | |
1626 | } | |
1627 | ||
1628 | ||
1629 | /** | |
1630 | * wpa_supplicant_disable_network - Mark a configured network as disabled | |
1631 | * @wpa_s: wpa_supplicant structure for a network interface | |
1632 | * @ssid: wpa_ssid structure for a configured network or %NULL | |
1633 | * | |
1634 | * Disables the specified network or all networks if no network specified. | |
1635 | */ | |
1636 | void wpa_supplicant_disable_network(struct wpa_supplicant *wpa_s, | |
1637 | struct wpa_ssid *ssid) | |
1638 | { | |
1639 | struct wpa_ssid *other_ssid; | |
1640 | int was_disabled; | |
1641 | ||
1642 | if (ssid == NULL) { | |
4dac0245 JM |
1643 | for (other_ssid = wpa_s->conf->ssid; other_ssid; |
1644 | other_ssid = other_ssid->next) { | |
86b89452 | 1645 | was_disabled = other_ssid->disabled; |
4dac0245 JM |
1646 | if (was_disabled == 2) |
1647 | continue; /* do not change persistent P2P group | |
1648 | * data */ | |
86b89452 WS |
1649 | |
1650 | other_ssid->disabled = 1; | |
1651 | ||
1652 | if (was_disabled != other_ssid->disabled) | |
1653 | wpas_notify_network_enabled_changed( | |
1654 | wpa_s, other_ssid); | |
86b89452 WS |
1655 | } |
1656 | if (wpa_s->current_ssid) | |
1657 | wpa_supplicant_disassociate( | |
1658 | wpa_s, WLAN_REASON_DEAUTH_LEAVING); | |
4dac0245 | 1659 | } else if (ssid->disabled != 2) { |
86b89452 WS |
1660 | if (ssid == wpa_s->current_ssid) |
1661 | wpa_supplicant_disassociate( | |
1662 | wpa_s, WLAN_REASON_DEAUTH_LEAVING); | |
1663 | ||
1664 | was_disabled = ssid->disabled; | |
1665 | ||
1666 | ssid->disabled = 1; | |
1667 | ||
1668 | if (was_disabled != ssid->disabled) | |
1669 | wpas_notify_network_enabled_changed(wpa_s, ssid); | |
1670 | } | |
1671 | } | |
1672 | ||
1673 | ||
1674 | /** | |
1675 | * wpa_supplicant_select_network - Attempt association with a network | |
1676 | * @wpa_s: wpa_supplicant structure for a network interface | |
1677 | * @ssid: wpa_ssid structure for a configured network or %NULL for any network | |
1678 | */ | |
1679 | void wpa_supplicant_select_network(struct wpa_supplicant *wpa_s, | |
1680 | struct wpa_ssid *ssid) | |
1681 | { | |
1682 | ||
1683 | struct wpa_ssid *other_ssid; | |
d93dfbd5 | 1684 | int disconnected = 0; |
86b89452 | 1685 | |
d93dfbd5 | 1686 | if (ssid && ssid != wpa_s->current_ssid && wpa_s->current_ssid) { |
86b89452 WS |
1687 | wpa_supplicant_disassociate( |
1688 | wpa_s, WLAN_REASON_DEAUTH_LEAVING); | |
d93dfbd5 JM |
1689 | disconnected = 1; |
1690 | } | |
86b89452 WS |
1691 | |
1692 | /* | |
1693 | * Mark all other networks disabled or mark all networks enabled if no | |
1694 | * network specified. | |
1695 | */ | |
4dac0245 JM |
1696 | for (other_ssid = wpa_s->conf->ssid; other_ssid; |
1697 | other_ssid = other_ssid->next) { | |
86b89452 | 1698 | int was_disabled = other_ssid->disabled; |
4dac0245 JM |
1699 | if (was_disabled == 2) |
1700 | continue; /* do not change persistent P2P group data */ | |
86b89452 WS |
1701 | |
1702 | other_ssid->disabled = ssid ? (ssid->id != other_ssid->id) : 0; | |
1703 | ||
1704 | if (was_disabled != other_ssid->disabled) | |
1705 | wpas_notify_network_enabled_changed(wpa_s, other_ssid); | |
86b89452 | 1706 | } |
2a6f78fb JJ |
1707 | |
1708 | if (ssid && ssid == wpa_s->current_ssid && wpa_s->current_ssid) { | |
1709 | /* We are already associated with the selected network */ | |
1710 | wpa_printf(MSG_DEBUG, "Already associated with the " | |
1711 | "selected network - do nothing"); | |
1712 | return; | |
1713 | } | |
1714 | ||
96efeeb6 JM |
1715 | if (ssid) |
1716 | wpa_s->current_ssid = ssid; | |
7dcdcfd6 | 1717 | wpa_s->connect_without_scan = NULL; |
86b89452 WS |
1718 | wpa_s->disconnected = 0; |
1719 | wpa_s->reassociate = 1; | |
d93dfbd5 | 1720 | wpa_supplicant_req_scan(wpa_s, 0, disconnected ? 100000 : 0); |
86b89452 | 1721 | |
a1641d26 JM |
1722 | if (ssid) |
1723 | wpas_notify_network_selected(wpa_s, ssid); | |
86b89452 WS |
1724 | } |
1725 | ||
1726 | ||
1727 | /** | |
1728 | * wpa_supplicant_set_ap_scan - Set AP scan mode for interface | |
1729 | * @wpa_s: wpa_supplicant structure for a network interface | |
1730 | * @ap_scan: AP scan mode | |
1731 | * Returns: 0 if succeed or -1 if ap_scan has an invalid value | |
1732 | * | |
1733 | */ | |
1734 | int wpa_supplicant_set_ap_scan(struct wpa_supplicant *wpa_s, int ap_scan) | |
1735 | { | |
1736 | ||
1737 | int old_ap_scan; | |
1738 | ||
1739 | if (ap_scan < 0 || ap_scan > 2) | |
1740 | return -1; | |
1741 | ||
48f8e036 DS |
1742 | #ifdef ANDROID |
1743 | if (ap_scan == 2 && ap_scan != wpa_s->conf->ap_scan && | |
1744 | wpa_s->wpa_state >= WPA_ASSOCIATING && | |
1745 | wpa_s->wpa_state < WPA_COMPLETED) { | |
1746 | wpa_printf(MSG_ERROR, "ap_scan = %d (%d) rejected while " | |
1747 | "associating", wpa_s->conf->ap_scan, ap_scan); | |
1748 | return 0; | |
1749 | } | |
1750 | #endif /* ANDROID */ | |
1751 | ||
86b89452 WS |
1752 | old_ap_scan = wpa_s->conf->ap_scan; |
1753 | wpa_s->conf->ap_scan = ap_scan; | |
1754 | ||
1755 | if (old_ap_scan != wpa_s->conf->ap_scan) | |
1756 | wpas_notify_ap_scan_changed(wpa_s); | |
1757 | ||
1758 | return 0; | |
1759 | } | |
1760 | ||
1761 | ||
78633c37 SL |
1762 | /** |
1763 | * wpa_supplicant_set_bss_expiration_age - Set BSS entry expiration age | |
1764 | * @wpa_s: wpa_supplicant structure for a network interface | |
1765 | * @expire_age: Expiration age in seconds | |
1766 | * Returns: 0 if succeed or -1 if expire_age has an invalid value | |
1767 | * | |
1768 | */ | |
1769 | int wpa_supplicant_set_bss_expiration_age(struct wpa_supplicant *wpa_s, | |
1770 | unsigned int bss_expire_age) | |
1771 | { | |
1772 | if (bss_expire_age < 10) { | |
1773 | wpa_msg(wpa_s, MSG_ERROR, "Invalid bss expiration age %u", | |
1774 | bss_expire_age); | |
1775 | return -1; | |
1776 | } | |
1777 | wpa_msg(wpa_s, MSG_DEBUG, "Setting bss expiration age: %d sec", | |
1778 | bss_expire_age); | |
1779 | wpa_s->conf->bss_expiration_age = bss_expire_age; | |
1780 | ||
1781 | return 0; | |
1782 | } | |
1783 | ||
1784 | ||
1785 | /** | |
1786 | * wpa_supplicant_set_bss_expiration_count - Set BSS entry expiration scan count | |
1787 | * @wpa_s: wpa_supplicant structure for a network interface | |
1788 | * @expire_count: number of scans after which an unseen BSS is reclaimed | |
1789 | * Returns: 0 if succeed or -1 if expire_count has an invalid value | |
1790 | * | |
1791 | */ | |
1792 | int wpa_supplicant_set_bss_expiration_count(struct wpa_supplicant *wpa_s, | |
1793 | unsigned int bss_expire_count) | |
1794 | { | |
1795 | if (bss_expire_count < 1) { | |
1796 | wpa_msg(wpa_s, MSG_ERROR, "Invalid bss expiration count %u", | |
1797 | bss_expire_count); | |
1798 | return -1; | |
1799 | } | |
1800 | wpa_msg(wpa_s, MSG_DEBUG, "Setting bss expiration scan count: %u", | |
1801 | bss_expire_count); | |
1802 | wpa_s->conf->bss_expiration_scan_count = bss_expire_count; | |
1803 | ||
1804 | return 0; | |
1805 | } | |
1806 | ||
1807 | ||
c6e86b63 MA |
1808 | /** |
1809 | * wpa_supplicant_set_scan_interval - Set scan interval | |
1810 | * @wpa_s: wpa_supplicant structure for a network interface | |
1811 | * @scan_interval: scan interval in seconds | |
1812 | * Returns: 0 if succeed or -1 if scan_interval has an invalid value | |
1813 | * | |
1814 | */ | |
1815 | int wpa_supplicant_set_scan_interval(struct wpa_supplicant *wpa_s, | |
1816 | int scan_interval) | |
1817 | { | |
1818 | if (scan_interval < 0) { | |
1819 | wpa_msg(wpa_s, MSG_ERROR, "Invalid scan interval %d", | |
1820 | scan_interval); | |
1821 | return -1; | |
1822 | } | |
1823 | wpa_msg(wpa_s, MSG_DEBUG, "Setting scan interval: %d sec", | |
1824 | scan_interval); | |
1825 | wpa_s->scan_interval = scan_interval; | |
1826 | ||
1827 | return 0; | |
1828 | } | |
1829 | ||
1830 | ||
86b89452 WS |
1831 | /** |
1832 | * wpa_supplicant_set_debug_params - Set global debug params | |
1833 | * @global: wpa_global structure | |
1834 | * @debug_level: debug level | |
1835 | * @debug_timestamp: determines if show timestamp in debug data | |
1836 | * @debug_show_keys: determines if show keys in debug data | |
1837 | * Returns: 0 if succeed or -1 if debug_level has wrong value | |
1838 | */ | |
1839 | int wpa_supplicant_set_debug_params(struct wpa_global *global, int debug_level, | |
1840 | int debug_timestamp, int debug_show_keys) | |
1841 | { | |
1842 | ||
1843 | int old_level, old_timestamp, old_show_keys; | |
1844 | ||
1845 | /* check for allowed debuglevels */ | |
14dc0011 PS |
1846 | if (debug_level != MSG_EXCESSIVE && |
1847 | debug_level != MSG_MSGDUMP && | |
86b89452 WS |
1848 | debug_level != MSG_DEBUG && |
1849 | debug_level != MSG_INFO && | |
1850 | debug_level != MSG_WARNING && | |
1851 | debug_level != MSG_ERROR) | |
1852 | return -1; | |
1853 | ||
1854 | old_level = wpa_debug_level; | |
1855 | old_timestamp = wpa_debug_timestamp; | |
1856 | old_show_keys = wpa_debug_show_keys; | |
1857 | ||
1858 | wpa_debug_level = debug_level; | |
1859 | wpa_debug_timestamp = debug_timestamp ? 1 : 0; | |
1860 | wpa_debug_show_keys = debug_show_keys ? 1 : 0; | |
1861 | ||
db9133ac WS |
1862 | if (wpa_debug_level != old_level) |
1863 | wpas_notify_debug_level_changed(global); | |
1864 | if (wpa_debug_timestamp != old_timestamp) | |
1865 | wpas_notify_debug_timestamp_changed(global); | |
1866 | if (wpa_debug_show_keys != old_show_keys) | |
1867 | wpas_notify_debug_show_keys_changed(global); | |
86b89452 WS |
1868 | |
1869 | return 0; | |
1870 | } | |
1871 | ||
1872 | ||
6fc6879b JM |
1873 | /** |
1874 | * wpa_supplicant_get_ssid - Get a pointer to the current network structure | |
1875 | * @wpa_s: Pointer to wpa_supplicant data | |
1876 | * Returns: A pointer to the current network structure or %NULL on failure | |
1877 | */ | |
1878 | struct wpa_ssid * wpa_supplicant_get_ssid(struct wpa_supplicant *wpa_s) | |
1879 | { | |
1880 | struct wpa_ssid *entry; | |
1881 | u8 ssid[MAX_SSID_LEN]; | |
1882 | int res; | |
1883 | size_t ssid_len; | |
1884 | u8 bssid[ETH_ALEN]; | |
1885 | int wired; | |
1886 | ||
17fbb751 JM |
1887 | res = wpa_drv_get_ssid(wpa_s, ssid); |
1888 | if (res < 0) { | |
1889 | wpa_msg(wpa_s, MSG_WARNING, "Could not read SSID from " | |
1890 | "driver"); | |
1891 | return NULL; | |
6fc6879b | 1892 | } |
17fbb751 | 1893 | ssid_len = res; |
6fc6879b | 1894 | |
17fbb751 | 1895 | if (wpa_drv_get_bssid(wpa_s, bssid) < 0) { |
f049052b BG |
1896 | wpa_msg(wpa_s, MSG_WARNING, "Could not read BSSID from " |
1897 | "driver"); | |
6fc6879b JM |
1898 | return NULL; |
1899 | } | |
1900 | ||
c2a04078 JM |
1901 | wired = wpa_s->conf->ap_scan == 0 && |
1902 | (wpa_s->drv_flags & WPA_DRIVER_FLAGS_WIRED); | |
6fc6879b JM |
1903 | |
1904 | entry = wpa_s->conf->ssid; | |
1905 | while (entry) { | |
349493bd | 1906 | if (!wpas_network_disabled(wpa_s, entry) && |
6fc6879b JM |
1907 | ((ssid_len == entry->ssid_len && |
1908 | os_memcmp(ssid, entry->ssid, ssid_len) == 0) || wired) && | |
1909 | (!entry->bssid_set || | |
1910 | os_memcmp(bssid, entry->bssid, ETH_ALEN) == 0)) | |
1911 | return entry; | |
24c23d1b | 1912 | #ifdef CONFIG_WPS |
349493bd | 1913 | if (!wpas_network_disabled(wpa_s, entry) && |
24c23d1b JM |
1914 | (entry->key_mgmt & WPA_KEY_MGMT_WPS) && |
1915 | (entry->ssid == NULL || entry->ssid_len == 0) && | |
1916 | (!entry->bssid_set || | |
1917 | os_memcmp(bssid, entry->bssid, ETH_ALEN) == 0)) | |
1918 | return entry; | |
1919 | #endif /* CONFIG_WPS */ | |
7d232e23 | 1920 | |
349493bd | 1921 | if (!wpas_network_disabled(wpa_s, entry) && entry->bssid_set && |
7d232e23 ZC |
1922 | entry->ssid_len == 0 && |
1923 | os_memcmp(bssid, entry->bssid, ETH_ALEN) == 0) | |
1924 | return entry; | |
1925 | ||
6fc6879b JM |
1926 | entry = entry->next; |
1927 | } | |
1928 | ||
1929 | return NULL; | |
1930 | } | |
1931 | ||
1932 | ||
7756114f JM |
1933 | static int select_driver(struct wpa_supplicant *wpa_s, int i) |
1934 | { | |
1935 | struct wpa_global *global = wpa_s->global; | |
1936 | ||
1937 | if (wpa_drivers[i]->global_init && global->drv_priv[i] == NULL) { | |
1938 | global->drv_priv[i] = wpa_drivers[i]->global_init(); | |
1939 | if (global->drv_priv[i] == NULL) { | |
1940 | wpa_printf(MSG_ERROR, "Failed to initialize driver " | |
1941 | "'%s'", wpa_drivers[i]->name); | |
1942 | return -1; | |
1943 | } | |
1944 | } | |
1945 | ||
1946 | wpa_s->driver = wpa_drivers[i]; | |
1947 | wpa_s->global_drv_priv = global->drv_priv[i]; | |
1948 | ||
1949 | return 0; | |
1950 | } | |
1951 | ||
1952 | ||
6fc6879b JM |
1953 | static int wpa_supplicant_set_driver(struct wpa_supplicant *wpa_s, |
1954 | const char *name) | |
1955 | { | |
1956 | int i; | |
362f781e | 1957 | size_t len; |
74b1c84a | 1958 | const char *pos, *driver = name; |
6fc6879b JM |
1959 | |
1960 | if (wpa_s == NULL) | |
1961 | return -1; | |
1962 | ||
c5121837 | 1963 | if (wpa_drivers[0] == NULL) { |
f049052b BG |
1964 | wpa_msg(wpa_s, MSG_ERROR, "No driver interfaces build into " |
1965 | "wpa_supplicant"); | |
6fc6879b JM |
1966 | return -1; |
1967 | } | |
1968 | ||
1969 | if (name == NULL) { | |
1970 | /* default to first driver in the list */ | |
7756114f | 1971 | return select_driver(wpa_s, 0); |
6fc6879b JM |
1972 | } |
1973 | ||
74b1c84a SO |
1974 | do { |
1975 | pos = os_strchr(driver, ','); | |
1976 | if (pos) | |
1977 | len = pos - driver; | |
1978 | else | |
1979 | len = os_strlen(driver); | |
1980 | ||
1981 | for (i = 0; wpa_drivers[i]; i++) { | |
1982 | if (os_strlen(wpa_drivers[i]->name) == len && | |
1983 | os_strncmp(driver, wpa_drivers[i]->name, len) == | |
0f4668ce DW |
1984 | 0) { |
1985 | /* First driver that succeeds wins */ | |
1986 | if (select_driver(wpa_s, i) == 0) | |
1987 | return 0; | |
1988 | } | |
6fc6879b | 1989 | } |
74b1c84a SO |
1990 | |
1991 | driver = pos + 1; | |
1992 | } while (pos); | |
6fc6879b | 1993 | |
f049052b | 1994 | wpa_msg(wpa_s, MSG_ERROR, "Unsupported driver '%s'", name); |
6fc6879b JM |
1995 | return -1; |
1996 | } | |
1997 | ||
1998 | ||
a8e0505b JM |
1999 | /** |
2000 | * wpa_supplicant_rx_eapol - Deliver a received EAPOL frame to wpa_supplicant | |
2001 | * @ctx: Context pointer (wpa_s); this is the ctx variable registered | |
2002 | * with struct wpa_driver_ops::init() | |
2003 | * @src_addr: Source address of the EAPOL frame | |
2004 | * @buf: EAPOL data starting from the EAPOL header (i.e., no Ethernet header) | |
2005 | * @len: Length of the EAPOL data | |
2006 | * | |
2007 | * This function is called for each received EAPOL frame. Most driver | |
2008 | * interfaces rely on more generic OS mechanism for receiving frames through | |
2009 | * l2_packet, but if such a mechanism is not available, the driver wrapper may | |
2010 | * take care of received EAPOL frames and deliver them to the core supplicant | |
2011 | * code by calling this function. | |
2012 | */ | |
6fc6879b JM |
2013 | void wpa_supplicant_rx_eapol(void *ctx, const u8 *src_addr, |
2014 | const u8 *buf, size_t len) | |
2015 | { | |
2016 | struct wpa_supplicant *wpa_s = ctx; | |
2017 | ||
f049052b | 2018 | wpa_dbg(wpa_s, MSG_DEBUG, "RX EAPOL from " MACSTR, MAC2STR(src_addr)); |
6fc6879b JM |
2019 | wpa_hexdump(MSG_MSGDUMP, "RX EAPOL", buf, len); |
2020 | ||
1ff73338 JM |
2021 | if (wpa_s->wpa_state < WPA_ASSOCIATED) { |
2022 | /* | |
2023 | * There is possible race condition between receiving the | |
2024 | * association event and the EAPOL frame since they are coming | |
2025 | * through different paths from the driver. In order to avoid | |
2026 | * issues in trying to process the EAPOL frame before receiving | |
2027 | * association information, lets queue it for processing until | |
2028 | * the association event is received. | |
2029 | */ | |
f049052b BG |
2030 | wpa_dbg(wpa_s, MSG_DEBUG, "Not associated - Delay processing " |
2031 | "of received EAPOL frame"); | |
1ff73338 JM |
2032 | wpabuf_free(wpa_s->pending_eapol_rx); |
2033 | wpa_s->pending_eapol_rx = wpabuf_alloc_copy(buf, len); | |
2034 | if (wpa_s->pending_eapol_rx) { | |
2035 | os_get_time(&wpa_s->pending_eapol_rx_time); | |
2036 | os_memcpy(wpa_s->pending_eapol_rx_src, src_addr, | |
2037 | ETH_ALEN); | |
2038 | } | |
2039 | return; | |
2040 | } | |
2041 | ||
db149ac9 JM |
2042 | #ifdef CONFIG_AP |
2043 | if (wpa_s->ap_iface) { | |
2044 | wpa_supplicant_ap_rx_eapol(wpa_s, src_addr, buf, len); | |
2045 | return; | |
2046 | } | |
2047 | #endif /* CONFIG_AP */ | |
2048 | ||
6fc6879b | 2049 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE) { |
f049052b BG |
2050 | wpa_dbg(wpa_s, MSG_DEBUG, "Ignored received EAPOL frame since " |
2051 | "no key management is configured"); | |
6fc6879b JM |
2052 | return; |
2053 | } | |
2054 | ||
2055 | if (wpa_s->eapol_received == 0 && | |
c2a04078 | 2056 | (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) || |
56586197 | 2057 | !wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) || |
9c972abb JM |
2058 | wpa_s->wpa_state != WPA_COMPLETED) && |
2059 | (wpa_s->current_ssid == NULL || | |
2060 | wpa_s->current_ssid->mode != IEEE80211_MODE_IBSS)) { | |
6fc6879b JM |
2061 | /* Timeout for completing IEEE 802.1X and WPA authentication */ |
2062 | wpa_supplicant_req_auth_timeout( | |
2063 | wpa_s, | |
56586197 | 2064 | (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) || |
a6f06dab AT |
2065 | wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA || |
2066 | wpa_s->key_mgmt == WPA_KEY_MGMT_WPS) ? | |
6fc6879b JM |
2067 | 70 : 10, 0); |
2068 | } | |
2069 | wpa_s->eapol_received++; | |
2070 | ||
2071 | if (wpa_s->countermeasures) { | |
f049052b BG |
2072 | wpa_msg(wpa_s, MSG_INFO, "WPA: Countermeasures - dropped " |
2073 | "EAPOL packet"); | |
6fc6879b JM |
2074 | return; |
2075 | } | |
2076 | ||
8be18440 JM |
2077 | #ifdef CONFIG_IBSS_RSN |
2078 | if (wpa_s->current_ssid && | |
d7dcba70 | 2079 | wpa_s->current_ssid->mode == WPAS_MODE_IBSS) { |
8be18440 JM |
2080 | ibss_rsn_rx_eapol(wpa_s->ibss_rsn, src_addr, buf, len); |
2081 | return; | |
2082 | } | |
2083 | #endif /* CONFIG_IBSS_RSN */ | |
2084 | ||
6fc6879b JM |
2085 | /* Source address of the incoming EAPOL frame could be compared to the |
2086 | * current BSSID. However, it is possible that a centralized | |
2087 | * Authenticator could be using another MAC address than the BSSID of | |
2088 | * an AP, so just allow any address to be used for now. The replies are | |
2089 | * still sent to the current BSSID (if available), though. */ | |
2090 | ||
2091 | os_memcpy(wpa_s->last_eapol_src, src_addr, ETH_ALEN); | |
56586197 | 2092 | if (!wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) && |
6fc6879b JM |
2093 | eapol_sm_rx_eapol(wpa_s->eapol, src_addr, buf, len) > 0) |
2094 | return; | |
2095 | wpa_drv_poll(wpa_s); | |
c2a04078 | 2096 | if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE)) |
6fc6879b | 2097 | wpa_sm_rx_eapol(wpa_s->wpa, src_addr, buf, len); |
56586197 | 2098 | else if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) { |
6fc6879b JM |
2099 | /* |
2100 | * Set portValid = TRUE here since we are going to skip 4-way | |
2101 | * handshake processing which would normally set portValid. We | |
2102 | * need this to allow the EAPOL state machines to be completed | |
2103 | * without going through EAPOL-Key handshake. | |
2104 | */ | |
2105 | eapol_sm_notify_portValid(wpa_s->eapol, TRUE); | |
2106 | } | |
2107 | } | |
2108 | ||
2109 | ||
bfba8deb | 2110 | int wpa_supplicant_update_mac_addr(struct wpa_supplicant *wpa_s) |
6fc6879b | 2111 | { |
6fc6879b JM |
2112 | if (wpa_s->driver->send_eapol) { |
2113 | const u8 *addr = wpa_drv_get_mac_addr(wpa_s); | |
2114 | if (addr) | |
2115 | os_memcpy(wpa_s->own_addr, addr, ETH_ALEN); | |
fdadd5fe JM |
2116 | } else if (!(wpa_s->drv_flags & |
2117 | WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE)) { | |
bfba8deb | 2118 | l2_packet_deinit(wpa_s->l2); |
6fc6879b JM |
2119 | wpa_s->l2 = l2_packet_init(wpa_s->ifname, |
2120 | wpa_drv_get_mac_addr(wpa_s), | |
2121 | ETH_P_EAPOL, | |
2122 | wpa_supplicant_rx_eapol, wpa_s, 0); | |
2123 | if (wpa_s->l2 == NULL) | |
2124 | return -1; | |
fdadd5fe JM |
2125 | } else { |
2126 | const u8 *addr = wpa_drv_get_mac_addr(wpa_s); | |
2127 | if (addr) | |
2128 | os_memcpy(wpa_s->own_addr, addr, ETH_ALEN); | |
6fc6879b JM |
2129 | } |
2130 | ||
2131 | if (wpa_s->l2 && l2_packet_get_own_addr(wpa_s->l2, wpa_s->own_addr)) { | |
f049052b | 2132 | wpa_msg(wpa_s, MSG_ERROR, "Failed to get own L2 address"); |
6fc6879b JM |
2133 | return -1; |
2134 | } | |
2135 | ||
f049052b BG |
2136 | wpa_dbg(wpa_s, MSG_DEBUG, "Own MAC address: " MACSTR, |
2137 | MAC2STR(wpa_s->own_addr)); | |
f98eb880 | 2138 | wpa_sm_set_own_addr(wpa_s->wpa, wpa_s->own_addr); |
6fc6879b | 2139 | |
bfba8deb JM |
2140 | return 0; |
2141 | } | |
2142 | ||
2143 | ||
25f839c6 JM |
2144 | static void wpa_supplicant_rx_eapol_bridge(void *ctx, const u8 *src_addr, |
2145 | const u8 *buf, size_t len) | |
2146 | { | |
2147 | struct wpa_supplicant *wpa_s = ctx; | |
2148 | const struct l2_ethhdr *eth; | |
2149 | ||
2150 | if (len < sizeof(*eth)) | |
2151 | return; | |
2152 | eth = (const struct l2_ethhdr *) buf; | |
2153 | ||
2154 | if (os_memcmp(eth->h_dest, wpa_s->own_addr, ETH_ALEN) != 0 && | |
2155 | !(eth->h_dest[0] & 0x01)) { | |
2156 | wpa_dbg(wpa_s, MSG_DEBUG, "RX EAPOL from " MACSTR " to " MACSTR | |
2157 | " (bridge - not for this interface - ignore)", | |
2158 | MAC2STR(src_addr), MAC2STR(eth->h_dest)); | |
2159 | return; | |
2160 | } | |
2161 | ||
2162 | wpa_dbg(wpa_s, MSG_DEBUG, "RX EAPOL from " MACSTR " to " MACSTR | |
2163 | " (bridge)", MAC2STR(src_addr), MAC2STR(eth->h_dest)); | |
2164 | wpa_supplicant_rx_eapol(wpa_s, src_addr, buf + sizeof(*eth), | |
2165 | len - sizeof(*eth)); | |
2166 | } | |
2167 | ||
2168 | ||
bfba8deb JM |
2169 | /** |
2170 | * wpa_supplicant_driver_init - Initialize driver interface parameters | |
2171 | * @wpa_s: Pointer to wpa_supplicant data | |
2172 | * Returns: 0 on success, -1 on failure | |
2173 | * | |
2174 | * This function is called to initialize driver interface parameters. | |
2175 | * wpa_drv_init() must have been called before this function to initialize the | |
2176 | * driver interface. | |
2177 | */ | |
2178 | int wpa_supplicant_driver_init(struct wpa_supplicant *wpa_s) | |
2179 | { | |
2180 | static int interface_count = 0; | |
2181 | ||
2182 | if (wpa_supplicant_update_mac_addr(wpa_s) < 0) | |
2183 | return -1; | |
2184 | ||
6fc6879b | 2185 | if (wpa_s->bridge_ifname[0]) { |
f049052b BG |
2186 | wpa_dbg(wpa_s, MSG_DEBUG, "Receiving packets from bridge " |
2187 | "interface '%s'", wpa_s->bridge_ifname); | |
6fc6879b JM |
2188 | wpa_s->l2_br = l2_packet_init(wpa_s->bridge_ifname, |
2189 | wpa_s->own_addr, | |
2190 | ETH_P_EAPOL, | |
25f839c6 JM |
2191 | wpa_supplicant_rx_eapol_bridge, |
2192 | wpa_s, 1); | |
6fc6879b | 2193 | if (wpa_s->l2_br == NULL) { |
f049052b BG |
2194 | wpa_msg(wpa_s, MSG_ERROR, "Failed to open l2_packet " |
2195 | "connection for the bridge interface '%s'", | |
2196 | wpa_s->bridge_ifname); | |
6fc6879b JM |
2197 | return -1; |
2198 | } | |
2199 | } | |
2200 | ||
6fc6879b JM |
2201 | wpa_clear_keys(wpa_s, NULL); |
2202 | ||
2203 | /* Make sure that TKIP countermeasures are not left enabled (could | |
2204 | * happen if wpa_supplicant is killed during countermeasures. */ | |
2205 | wpa_drv_set_countermeasures(wpa_s, 0); | |
2206 | ||
f049052b | 2207 | wpa_dbg(wpa_s, MSG_DEBUG, "RSN: flushing PMKID list in the driver"); |
6fc6879b JM |
2208 | wpa_drv_flush_pmkid(wpa_s); |
2209 | ||
ba2a573c | 2210 | wpa_s->prev_scan_ssid = WILDCARD_SSID_SCAN; |
b3aa456b ES |
2211 | wpa_s->prev_scan_wildcard = 0; |
2212 | ||
349493bd | 2213 | if (wpa_supplicant_enabled_networks(wpa_s)) { |
6a90053c LC |
2214 | if (wpa_supplicant_delayed_sched_scan(wpa_s, interface_count, |
2215 | 100000)) | |
a4cba8f1 LC |
2216 | wpa_supplicant_req_scan(wpa_s, interface_count, |
2217 | 100000); | |
74e259ec JM |
2218 | interface_count++; |
2219 | } else | |
2220 | wpa_supplicant_set_state(wpa_s, WPA_INACTIVE); | |
6fc6879b JM |
2221 | |
2222 | return 0; | |
2223 | } | |
2224 | ||
2225 | ||
2226 | static int wpa_supplicant_daemon(const char *pid_file) | |
2227 | { | |
2228 | wpa_printf(MSG_DEBUG, "Daemonize.."); | |
2229 | return os_daemonize(pid_file); | |
2230 | } | |
2231 | ||
2232 | ||
2233 | static struct wpa_supplicant * wpa_supplicant_alloc(void) | |
2234 | { | |
2235 | struct wpa_supplicant *wpa_s; | |
2236 | ||
2237 | wpa_s = os_zalloc(sizeof(*wpa_s)); | |
2238 | if (wpa_s == NULL) | |
2239 | return NULL; | |
2240 | wpa_s->scan_req = 1; | |
67b9bd08 | 2241 | wpa_s->scan_interval = 5; |
c302f207 | 2242 | wpa_s->new_connection = 1; |
b22128ef | 2243 | wpa_s->parent = wpa_s; |
cbdf3507 | 2244 | wpa_s->sched_scanning = 0; |
6fc6879b JM |
2245 | |
2246 | return wpa_s; | |
2247 | } | |
2248 | ||
2249 | ||
80e8a5ee BG |
2250 | #ifdef CONFIG_HT_OVERRIDES |
2251 | ||
2252 | static int wpa_set_htcap_mcs(struct wpa_supplicant *wpa_s, | |
2253 | struct ieee80211_ht_capabilities *htcaps, | |
2254 | struct ieee80211_ht_capabilities *htcaps_mask, | |
2255 | const char *ht_mcs) | |
2256 | { | |
2257 | /* parse ht_mcs into hex array */ | |
2258 | int i; | |
2259 | const char *tmp = ht_mcs; | |
2260 | char *end = NULL; | |
2261 | ||
2262 | /* If ht_mcs is null, do not set anything */ | |
2263 | if (!ht_mcs) | |
2264 | return 0; | |
2265 | ||
2266 | /* This is what we are setting in the kernel */ | |
2267 | os_memset(&htcaps->supported_mcs_set, 0, IEEE80211_HT_MCS_MASK_LEN); | |
2268 | ||
2269 | wpa_msg(wpa_s, MSG_DEBUG, "set_htcap, ht_mcs -:%s:-", ht_mcs); | |
2270 | ||
2271 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) { | |
2272 | errno = 0; | |
2273 | long v = strtol(tmp, &end, 16); | |
2274 | if (errno == 0) { | |
2275 | wpa_msg(wpa_s, MSG_DEBUG, | |
2276 | "htcap value[%i]: %ld end: %p tmp: %p", | |
2277 | i, v, end, tmp); | |
2278 | if (end == tmp) | |
2279 | break; | |
2280 | ||
2281 | htcaps->supported_mcs_set[i] = v; | |
2282 | tmp = end; | |
2283 | } else { | |
2284 | wpa_msg(wpa_s, MSG_ERROR, | |
2285 | "Failed to parse ht-mcs: %s, error: %s\n", | |
2286 | ht_mcs, strerror(errno)); | |
2287 | return -1; | |
2288 | } | |
2289 | } | |
2290 | ||
2291 | /* | |
2292 | * If we were able to parse any values, then set mask for the MCS set. | |
2293 | */ | |
2294 | if (i) { | |
2295 | os_memset(&htcaps_mask->supported_mcs_set, 0xff, | |
2296 | IEEE80211_HT_MCS_MASK_LEN - 1); | |
2297 | /* skip the 3 reserved bits */ | |
2298 | htcaps_mask->supported_mcs_set[IEEE80211_HT_MCS_MASK_LEN - 1] = | |
2299 | 0x1f; | |
2300 | } | |
2301 | ||
2302 | return 0; | |
2303 | } | |
2304 | ||
2305 | ||
2306 | static int wpa_disable_max_amsdu(struct wpa_supplicant *wpa_s, | |
2307 | struct ieee80211_ht_capabilities *htcaps, | |
2308 | struct ieee80211_ht_capabilities *htcaps_mask, | |
2309 | int disabled) | |
2310 | { | |
2311 | u16 msk; | |
2312 | ||
2313 | wpa_msg(wpa_s, MSG_DEBUG, "set_disable_max_amsdu: %d", disabled); | |
2314 | ||
2315 | if (disabled == -1) | |
2316 | return 0; | |
2317 | ||
2318 | msk = host_to_le16(HT_CAP_INFO_MAX_AMSDU_SIZE); | |
2319 | htcaps_mask->ht_capabilities_info |= msk; | |
2320 | if (disabled) | |
2321 | htcaps->ht_capabilities_info &= msk; | |
2322 | else | |
2323 | htcaps->ht_capabilities_info |= msk; | |
2324 | ||
2325 | return 0; | |
2326 | } | |
2327 | ||
2328 | ||
2329 | static int wpa_set_ampdu_factor(struct wpa_supplicant *wpa_s, | |
2330 | struct ieee80211_ht_capabilities *htcaps, | |
2331 | struct ieee80211_ht_capabilities *htcaps_mask, | |
2332 | int factor) | |
2333 | { | |
2334 | wpa_msg(wpa_s, MSG_DEBUG, "set_ampdu_factor: %d", factor); | |
2335 | ||
2336 | if (factor == -1) | |
2337 | return 0; | |
2338 | ||
2339 | if (factor < 0 || factor > 3) { | |
2340 | wpa_msg(wpa_s, MSG_ERROR, "ampdu_factor: %d out of range. " | |
2341 | "Must be 0-3 or -1", factor); | |
2342 | return -EINVAL; | |
2343 | } | |
2344 | ||
2345 | htcaps_mask->a_mpdu_params |= 0x3; /* 2 bits for factor */ | |
2346 | htcaps->a_mpdu_params &= ~0x3; | |
2347 | htcaps->a_mpdu_params |= factor & 0x3; | |
2348 | ||
2349 | return 0; | |
2350 | } | |
2351 | ||
2352 | ||
2353 | static int wpa_set_ampdu_density(struct wpa_supplicant *wpa_s, | |
2354 | struct ieee80211_ht_capabilities *htcaps, | |
2355 | struct ieee80211_ht_capabilities *htcaps_mask, | |
2356 | int density) | |
2357 | { | |
2358 | wpa_msg(wpa_s, MSG_DEBUG, "set_ampdu_density: %d", density); | |
2359 | ||
2360 | if (density == -1) | |
2361 | return 0; | |
2362 | ||
2363 | if (density < 0 || density > 7) { | |
2364 | wpa_msg(wpa_s, MSG_ERROR, | |
2365 | "ampdu_density: %d out of range. Must be 0-7 or -1.", | |
2366 | density); | |
2367 | return -EINVAL; | |
2368 | } | |
2369 | ||
2370 | htcaps_mask->a_mpdu_params |= 0x1C; | |
2371 | htcaps->a_mpdu_params &= ~(0x1C); | |
2372 | htcaps->a_mpdu_params |= (density << 2) & 0x1C; | |
2373 | ||
2374 | return 0; | |
2375 | } | |
2376 | ||
2377 | ||
2378 | static int wpa_set_disable_ht40(struct wpa_supplicant *wpa_s, | |
2379 | struct ieee80211_ht_capabilities *htcaps, | |
2380 | struct ieee80211_ht_capabilities *htcaps_mask, | |
2381 | int disabled) | |
2382 | { | |
2383 | /* Masking these out disables HT40 */ | |
2384 | u16 msk = host_to_le16(HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET | | |
2385 | HT_CAP_INFO_SHORT_GI40MHZ); | |
2386 | ||
2387 | wpa_msg(wpa_s, MSG_DEBUG, "set_disable_ht40: %d", disabled); | |
2388 | ||
2389 | if (disabled) | |
2390 | htcaps->ht_capabilities_info &= ~msk; | |
2391 | else | |
2392 | htcaps->ht_capabilities_info |= msk; | |
2393 | ||
2394 | htcaps_mask->ht_capabilities_info |= msk; | |
2395 | ||
2396 | return 0; | |
2397 | } | |
2398 | ||
2399 | ||
2400 | void wpa_supplicant_apply_ht_overrides( | |
2401 | struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid, | |
2402 | struct wpa_driver_associate_params *params) | |
2403 | { | |
2404 | struct ieee80211_ht_capabilities *htcaps; | |
2405 | struct ieee80211_ht_capabilities *htcaps_mask; | |
2406 | ||
2407 | if (!ssid) | |
2408 | return; | |
2409 | ||
2410 | params->disable_ht = ssid->disable_ht; | |
2411 | if (!params->htcaps || !params->htcaps_mask) | |
2412 | return; | |
2413 | ||
2414 | htcaps = (struct ieee80211_ht_capabilities *) params->htcaps; | |
2415 | htcaps_mask = (struct ieee80211_ht_capabilities *) params->htcaps_mask; | |
2416 | wpa_set_htcap_mcs(wpa_s, htcaps, htcaps_mask, ssid->ht_mcs); | |
2417 | wpa_disable_max_amsdu(wpa_s, htcaps, htcaps_mask, | |
2418 | ssid->disable_max_amsdu); | |
2419 | wpa_set_ampdu_factor(wpa_s, htcaps, htcaps_mask, ssid->ampdu_factor); | |
2420 | wpa_set_ampdu_density(wpa_s, htcaps, htcaps_mask, ssid->ampdu_density); | |
2421 | wpa_set_disable_ht40(wpa_s, htcaps, htcaps_mask, ssid->disable_ht40); | |
2422 | } | |
2423 | ||
2424 | #endif /* CONFIG_HT_OVERRIDES */ | |
2425 | ||
2426 | ||
f64adcd7 JM |
2427 | static int pcsc_reader_init(struct wpa_supplicant *wpa_s) |
2428 | { | |
2429 | #ifdef PCSC_FUNCS | |
2430 | size_t len; | |
2431 | ||
2432 | if (!wpa_s->conf->pcsc_reader) | |
2433 | return 0; | |
2434 | ||
2435 | wpa_s->scard = scard_init(SCARD_TRY_BOTH, wpa_s->conf->pcsc_reader); | |
2436 | if (!wpa_s->scard) | |
2437 | return 1; | |
2438 | ||
2439 | if (wpa_s->conf->pcsc_pin && | |
2440 | scard_set_pin(wpa_s->scard, wpa_s->conf->pcsc_pin) < 0) { | |
2441 | scard_deinit(wpa_s->scard); | |
2442 | wpa_s->scard = NULL; | |
2443 | wpa_msg(wpa_s, MSG_ERROR, "PC/SC PIN validation failed"); | |
2444 | return -1; | |
2445 | } | |
2446 | ||
2447 | len = sizeof(wpa_s->imsi) - 1; | |
2448 | if (scard_get_imsi(wpa_s->scard, wpa_s->imsi, &len)) { | |
2449 | scard_deinit(wpa_s->scard); | |
2450 | wpa_s->scard = NULL; | |
2451 | wpa_msg(wpa_s, MSG_ERROR, "Could not read IMSI"); | |
2452 | return -1; | |
2453 | } | |
2454 | wpa_s->imsi[len] = '\0'; | |
2455 | ||
2456 | wpa_s->mnc_len = scard_get_mnc_len(wpa_s->scard); | |
2457 | ||
2458 | wpa_printf(MSG_DEBUG, "SCARD: IMSI %s (MNC length %d)", | |
2459 | wpa_s->imsi, wpa_s->mnc_len); | |
2460 | ||
2461 | wpa_sm_set_scard_ctx(wpa_s->wpa, wpa_s->scard); | |
2462 | eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard); | |
2463 | #endif /* PCSC_FUNCS */ | |
2464 | ||
2465 | return 0; | |
2466 | } | |
2467 | ||
2468 | ||
6fc6879b JM |
2469 | static int wpa_supplicant_init_iface(struct wpa_supplicant *wpa_s, |
2470 | struct wpa_interface *iface) | |
2471 | { | |
362f781e JM |
2472 | const char *ifname, *driver; |
2473 | struct wpa_driver_capa capa; | |
2474 | ||
6fc6879b JM |
2475 | wpa_printf(MSG_DEBUG, "Initializing interface '%s' conf '%s' driver " |
2476 | "'%s' ctrl_interface '%s' bridge '%s'", iface->ifname, | |
2477 | iface->confname ? iface->confname : "N/A", | |
2478 | iface->driver ? iface->driver : "default", | |
2479 | iface->ctrl_interface ? iface->ctrl_interface : "N/A", | |
2480 | iface->bridge_ifname ? iface->bridge_ifname : "N/A"); | |
2481 | ||
6fc6879b JM |
2482 | if (iface->confname) { |
2483 | #ifdef CONFIG_BACKEND_FILE | |
2484 | wpa_s->confname = os_rel2abs_path(iface->confname); | |
2485 | if (wpa_s->confname == NULL) { | |
2486 | wpa_printf(MSG_ERROR, "Failed to get absolute path " | |
2487 | "for configuration file '%s'.", | |
2488 | iface->confname); | |
2489 | return -1; | |
2490 | } | |
2491 | wpa_printf(MSG_DEBUG, "Configuration file '%s' -> '%s'", | |
2492 | iface->confname, wpa_s->confname); | |
2493 | #else /* CONFIG_BACKEND_FILE */ | |
2494 | wpa_s->confname = os_strdup(iface->confname); | |
2495 | #endif /* CONFIG_BACKEND_FILE */ | |
2496 | wpa_s->conf = wpa_config_read(wpa_s->confname); | |
2497 | if (wpa_s->conf == NULL) { | |
2498 | wpa_printf(MSG_ERROR, "Failed to read or parse " | |
2499 | "configuration '%s'.", wpa_s->confname); | |
2500 | return -1; | |
2501 | } | |
2502 | ||
2503 | /* | |
2504 | * Override ctrl_interface and driver_param if set on command | |
2505 | * line. | |
2506 | */ | |
2507 | if (iface->ctrl_interface) { | |
2508 | os_free(wpa_s->conf->ctrl_interface); | |
2509 | wpa_s->conf->ctrl_interface = | |
2510 | os_strdup(iface->ctrl_interface); | |
2511 | } | |
2512 | ||
2513 | if (iface->driver_param) { | |
2514 | os_free(wpa_s->conf->driver_param); | |
2515 | wpa_s->conf->driver_param = | |
2516 | os_strdup(iface->driver_param); | |
2517 | } | |
2518 | } else | |
2519 | wpa_s->conf = wpa_config_alloc_empty(iface->ctrl_interface, | |
2520 | iface->driver_param); | |
2521 | ||
2522 | if (wpa_s->conf == NULL) { | |
2523 | wpa_printf(MSG_ERROR, "\nNo configuration found."); | |
2524 | return -1; | |
2525 | } | |
2526 | ||
2527 | if (iface->ifname == NULL) { | |
2528 | wpa_printf(MSG_ERROR, "\nInterface name is required."); | |
2529 | return -1; | |
2530 | } | |
2531 | if (os_strlen(iface->ifname) >= sizeof(wpa_s->ifname)) { | |
2532 | wpa_printf(MSG_ERROR, "\nToo long interface name '%s'.", | |
2533 | iface->ifname); | |
2534 | return -1; | |
2535 | } | |
2536 | os_strlcpy(wpa_s->ifname, iface->ifname, sizeof(wpa_s->ifname)); | |
2537 | ||
2538 | if (iface->bridge_ifname) { | |
2539 | if (os_strlen(iface->bridge_ifname) >= | |
2540 | sizeof(wpa_s->bridge_ifname)) { | |
2541 | wpa_printf(MSG_ERROR, "\nToo long bridge interface " | |
2542 | "name '%s'.", iface->bridge_ifname); | |
2543 | return -1; | |
2544 | } | |
2545 | os_strlcpy(wpa_s->bridge_ifname, iface->bridge_ifname, | |
2546 | sizeof(wpa_s->bridge_ifname)); | |
2547 | } | |
2548 | ||
6fc6879b JM |
2549 | /* RSNA Supplicant Key Management - INITIALIZE */ |
2550 | eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE); | |
2551 | eapol_sm_notify_portValid(wpa_s->eapol, FALSE); | |
2552 | ||
2553 | /* Initialize driver interface and register driver event handler before | |
2554 | * L2 receive handler so that association events are processed before | |
2555 | * EAPOL-Key packets if both become available for the same select() | |
2556 | * call. */ | |
362f781e JM |
2557 | driver = iface->driver; |
2558 | next_driver: | |
2559 | if (wpa_supplicant_set_driver(wpa_s, driver) < 0) | |
2560 | return -1; | |
2561 | ||
6fc6879b JM |
2562 | wpa_s->drv_priv = wpa_drv_init(wpa_s, wpa_s->ifname); |
2563 | if (wpa_s->drv_priv == NULL) { | |
362f781e | 2564 | const char *pos; |
a5b9337f | 2565 | pos = driver ? os_strchr(driver, ',') : NULL; |
362f781e | 2566 | if (pos) { |
f049052b BG |
2567 | wpa_dbg(wpa_s, MSG_DEBUG, "Failed to initialize " |
2568 | "driver interface - try next driver wrapper"); | |
362f781e JM |
2569 | driver = pos + 1; |
2570 | goto next_driver; | |
2571 | } | |
f049052b BG |
2572 | wpa_msg(wpa_s, MSG_ERROR, "Failed to initialize driver " |
2573 | "interface"); | |
6fc6879b JM |
2574 | return -1; |
2575 | } | |
2576 | if (wpa_drv_set_param(wpa_s, wpa_s->conf->driver_param) < 0) { | |
f049052b BG |
2577 | wpa_msg(wpa_s, MSG_ERROR, "Driver interface rejected " |
2578 | "driver_param '%s'", wpa_s->conf->driver_param); | |
6fc6879b JM |
2579 | return -1; |
2580 | } | |
2581 | ||
2582 | ifname = wpa_drv_get_ifname(wpa_s); | |
2583 | if (ifname && os_strcmp(ifname, wpa_s->ifname) != 0) { | |
f049052b BG |
2584 | wpa_dbg(wpa_s, MSG_DEBUG, "Driver interface replaced " |
2585 | "interface name with '%s'", ifname); | |
6fc6879b JM |
2586 | os_strlcpy(wpa_s->ifname, ifname, sizeof(wpa_s->ifname)); |
2587 | } | |
2588 | ||
2589 | if (wpa_supplicant_init_wpa(wpa_s) < 0) | |
2590 | return -1; | |
2591 | ||
2592 | wpa_sm_set_ifname(wpa_s->wpa, wpa_s->ifname, | |
2593 | wpa_s->bridge_ifname[0] ? wpa_s->bridge_ifname : | |
2594 | NULL); | |
2595 | wpa_sm_set_fast_reauth(wpa_s->wpa, wpa_s->conf->fast_reauth); | |
2596 | ||
2597 | if (wpa_s->conf->dot11RSNAConfigPMKLifetime && | |
2598 | wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME, | |
2599 | wpa_s->conf->dot11RSNAConfigPMKLifetime)) { | |
f049052b BG |
2600 | wpa_msg(wpa_s, MSG_ERROR, "Invalid WPA parameter value for " |
2601 | "dot11RSNAConfigPMKLifetime"); | |
6fc6879b JM |
2602 | return -1; |
2603 | } | |
2604 | ||
2605 | if (wpa_s->conf->dot11RSNAConfigPMKReauthThreshold && | |
2606 | wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD, | |
2607 | wpa_s->conf->dot11RSNAConfigPMKReauthThreshold)) { | |
f049052b | 2608 | wpa_msg(wpa_s, MSG_ERROR, "Invalid WPA parameter value for " |
6fc6879b JM |
2609 | "dot11RSNAConfigPMKReauthThreshold"); |
2610 | return -1; | |
2611 | } | |
2612 | ||
2613 | if (wpa_s->conf->dot11RSNAConfigSATimeout && | |
2614 | wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, | |
2615 | wpa_s->conf->dot11RSNAConfigSATimeout)) { | |
f049052b BG |
2616 | wpa_msg(wpa_s, MSG_ERROR, "Invalid WPA parameter value for " |
2617 | "dot11RSNAConfigSATimeout"); | |
6fc6879b JM |
2618 | return -1; |
2619 | } | |
2620 | ||
6bf731e8 CL |
2621 | wpa_s->hw.modes = wpa_drv_get_hw_feature_data(wpa_s, |
2622 | &wpa_s->hw.num_modes, | |
2623 | &wpa_s->hw.flags); | |
2624 | ||
814782b9 | 2625 | if (wpa_drv_get_capa(wpa_s, &capa) == 0) { |
c58ab8f2 | 2626 | wpa_s->drv_capa_known = 1; |
814782b9 | 2627 | wpa_s->drv_flags = capa.flags; |
349493bd | 2628 | wpa_s->drv_enc = capa.enc; |
4f73d88a | 2629 | wpa_s->probe_resp_offloads = capa.probe_resp_offloads; |
814782b9 | 2630 | wpa_s->max_scan_ssids = capa.max_scan_ssids; |
cbdf3507 LC |
2631 | wpa_s->max_sched_scan_ssids = capa.max_sched_scan_ssids; |
2632 | wpa_s->sched_scan_supported = capa.sched_scan_supported; | |
b59e6f26 | 2633 | wpa_s->max_match_sets = capa.max_match_sets; |
814782b9 | 2634 | wpa_s->max_remain_on_chan = capa.max_remain_on_chan; |
c4ea4c5c | 2635 | wpa_s->max_stations = capa.max_stations; |
814782b9 JM |
2636 | } |
2637 | if (wpa_s->max_remain_on_chan == 0) | |
2638 | wpa_s->max_remain_on_chan = 1000; | |
2639 | ||
6fc6879b JM |
2640 | if (wpa_supplicant_driver_init(wpa_s) < 0) |
2641 | return -1; | |
2642 | ||
281ff0aa GP |
2643 | #ifdef CONFIG_TDLS |
2644 | if (wpa_tdls_init(wpa_s->wpa)) | |
2645 | return -1; | |
2646 | #endif /* CONFIG_TDLS */ | |
2647 | ||
315ce40a JM |
2648 | if (wpa_s->conf->country[0] && wpa_s->conf->country[1] && |
2649 | wpa_drv_set_country(wpa_s, wpa_s->conf->country)) { | |
f049052b | 2650 | wpa_dbg(wpa_s, MSG_DEBUG, "Failed to set country"); |
6d158490 LR |
2651 | return -1; |
2652 | } | |
2653 | ||
116654ce JM |
2654 | if (wpas_wps_init(wpa_s)) |
2655 | return -1; | |
2656 | ||
6fc6879b JM |
2657 | if (wpa_supplicant_init_eapol(wpa_s) < 0) |
2658 | return -1; | |
2659 | wpa_sm_set_eapol(wpa_s->wpa, wpa_s->eapol); | |
2660 | ||
2661 | wpa_s->ctrl_iface = wpa_supplicant_ctrl_iface_init(wpa_s); | |
2662 | if (wpa_s->ctrl_iface == NULL) { | |
2663 | wpa_printf(MSG_ERROR, | |
2664 | "Failed to initialize control interface '%s'.\n" | |
2665 | "You may have another wpa_supplicant process " | |
2666 | "already running or the file was\n" | |
2667 | "left by an unclean termination of wpa_supplicant " | |
2668 | "in which case you will need\n" | |
2669 | "to manually remove this file before starting " | |
2670 | "wpa_supplicant again.\n", | |
2671 | wpa_s->conf->ctrl_interface); | |
2672 | return -1; | |
2673 | } | |
2674 | ||
04ea7b79 JM |
2675 | wpa_s->gas = gas_query_init(wpa_s); |
2676 | if (wpa_s->gas == NULL) { | |
2677 | wpa_printf(MSG_ERROR, "Failed to initialize GAS query"); | |
2678 | return -1; | |
2679 | } | |
2680 | ||
b22128ef JM |
2681 | #ifdef CONFIG_P2P |
2682 | if (wpas_p2p_init(wpa_s->global, wpa_s) < 0) { | |
f049052b | 2683 | wpa_msg(wpa_s, MSG_ERROR, "Failed to init P2P"); |
b22128ef JM |
2684 | return -1; |
2685 | } | |
2686 | #endif /* CONFIG_P2P */ | |
2687 | ||
83922c2d JM |
2688 | if (wpa_bss_init(wpa_s) < 0) |
2689 | return -1; | |
83922c2d | 2690 | |
f64adcd7 JM |
2691 | if (pcsc_reader_init(wpa_s) < 0) |
2692 | return -1; | |
2693 | ||
6fc6879b JM |
2694 | return 0; |
2695 | } | |
2696 | ||
2697 | ||
2ee055b3 | 2698 | static void wpa_supplicant_deinit_iface(struct wpa_supplicant *wpa_s, |
df509539 | 2699 | int notify, int terminate) |
6fc6879b JM |
2700 | { |
2701 | if (wpa_s->drv_priv) { | |
2702 | wpa_supplicant_deauthenticate(wpa_s, | |
2703 | WLAN_REASON_DEAUTH_LEAVING); | |
2704 | ||
6fc6879b JM |
2705 | wpa_drv_set_countermeasures(wpa_s, 0); |
2706 | wpa_clear_keys(wpa_s, NULL); | |
2707 | } | |
2708 | ||
8e56d189 JM |
2709 | wpa_supplicant_cleanup(wpa_s); |
2710 | ||
ab28911d JM |
2711 | #ifdef CONFIG_P2P |
2712 | if (wpa_s == wpa_s->global->p2p_init_wpa_s && wpa_s->global->p2p) { | |
2713 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Disable P2P since removing " | |
2714 | "the management interface is being removed"); | |
2715 | wpas_p2p_deinit_global(wpa_s->global); | |
2716 | } | |
2717 | #endif /* CONFIG_P2P */ | |
2718 | ||
6fc6879b JM |
2719 | if (wpa_s->drv_priv) |
2720 | wpa_drv_deinit(wpa_s); | |
2523ff6e DS |
2721 | |
2722 | if (notify) | |
2723 | wpas_notify_iface_removed(wpa_s); | |
f0811516 DS |
2724 | |
2725 | if (terminate) | |
2726 | wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_TERMINATING); | |
2727 | ||
2728 | if (wpa_s->ctrl_iface) { | |
2729 | wpa_supplicant_ctrl_iface_deinit(wpa_s->ctrl_iface); | |
2730 | wpa_s->ctrl_iface = NULL; | |
2731 | } | |
2732 | ||
2733 | if (wpa_s->conf != NULL) { | |
2734 | wpa_config_free(wpa_s->conf); | |
2735 | wpa_s->conf = NULL; | |
2736 | } | |
6fc6879b JM |
2737 | } |
2738 | ||
2739 | ||
2740 | /** | |
2741 | * wpa_supplicant_add_iface - Add a new network interface | |
2742 | * @global: Pointer to global data from wpa_supplicant_init() | |
2743 | * @iface: Interface configuration options | |
2744 | * Returns: Pointer to the created interface or %NULL on failure | |
2745 | * | |
2746 | * This function is used to add new network interfaces for %wpa_supplicant. | |
2747 | * This can be called before wpa_supplicant_run() to add interfaces before the | |
2748 | * main event loop has been started. In addition, new interfaces can be added | |
2749 | * dynamically while %wpa_supplicant is already running. This could happen, | |
2750 | * e.g., when a hotplug network adapter is inserted. | |
2751 | */ | |
2752 | struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global, | |
2753 | struct wpa_interface *iface) | |
2754 | { | |
2755 | struct wpa_supplicant *wpa_s; | |
d27df100 | 2756 | struct wpa_interface t_iface; |
8e56d189 | 2757 | struct wpa_ssid *ssid; |
6fc6879b JM |
2758 | |
2759 | if (global == NULL || iface == NULL) | |
2760 | return NULL; | |
2761 | ||
2762 | wpa_s = wpa_supplicant_alloc(); | |
2763 | if (wpa_s == NULL) | |
2764 | return NULL; | |
2765 | ||
d8222ae3 JM |
2766 | wpa_s->global = global; |
2767 | ||
d27df100 JM |
2768 | t_iface = *iface; |
2769 | if (global->params.override_driver) { | |
2770 | wpa_printf(MSG_DEBUG, "Override interface parameter: driver " | |
2771 | "('%s' -> '%s')", | |
2772 | iface->driver, global->params.override_driver); | |
2773 | t_iface.driver = global->params.override_driver; | |
2774 | } | |
2775 | if (global->params.override_ctrl_interface) { | |
2776 | wpa_printf(MSG_DEBUG, "Override interface parameter: " | |
2777 | "ctrl_interface ('%s' -> '%s')", | |
2778 | iface->ctrl_interface, | |
2779 | global->params.override_ctrl_interface); | |
2780 | t_iface.ctrl_interface = | |
2781 | global->params.override_ctrl_interface; | |
2782 | } | |
2783 | if (wpa_supplicant_init_iface(wpa_s, &t_iface)) { | |
6fc6879b JM |
2784 | wpa_printf(MSG_DEBUG, "Failed to add interface %s", |
2785 | iface->ifname); | |
df509539 | 2786 | wpa_supplicant_deinit_iface(wpa_s, 0, 0); |
6fc6879b JM |
2787 | os_free(wpa_s); |
2788 | return NULL; | |
2789 | } | |
2790 | ||
dc461de4 WS |
2791 | /* Notify the control interfaces about new iface */ |
2792 | if (wpas_notify_iface_added(wpa_s)) { | |
df509539 | 2793 | wpa_supplicant_deinit_iface(wpa_s, 1, 0); |
6fc6879b JM |
2794 | os_free(wpa_s); |
2795 | return NULL; | |
2796 | } | |
1bd3f426 | 2797 | |
8e56d189 JM |
2798 | for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) |
2799 | wpas_notify_network_added(wpa_s, ssid); | |
2800 | ||
6fc6879b JM |
2801 | wpa_s->next = global->ifaces; |
2802 | global->ifaces = wpa_s; | |
2803 | ||
f049052b | 2804 | wpa_dbg(wpa_s, MSG_DEBUG, "Added interface %s", wpa_s->ifname); |
6fc6879b JM |
2805 | |
2806 | return wpa_s; | |
2807 | } | |
2808 | ||
2809 | ||
2810 | /** | |
2811 | * wpa_supplicant_remove_iface - Remove a network interface | |
2812 | * @global: Pointer to global data from wpa_supplicant_init() | |
2813 | * @wpa_s: Pointer to the network interface to be removed | |
2814 | * Returns: 0 if interface was removed, -1 if interface was not found | |
2815 | * | |
2816 | * This function can be used to dynamically remove network interfaces from | |
2817 | * %wpa_supplicant, e.g., when a hotplug network adapter is ejected. In | |
2818 | * addition, this function is used to remove all remaining interfaces when | |
2819 | * %wpa_supplicant is terminated. | |
2820 | */ | |
2821 | int wpa_supplicant_remove_iface(struct wpa_global *global, | |
df509539 DS |
2822 | struct wpa_supplicant *wpa_s, |
2823 | int terminate) | |
6fc6879b JM |
2824 | { |
2825 | struct wpa_supplicant *prev; | |
2826 | ||
2827 | /* Remove interface from the global list of interfaces */ | |
2828 | prev = global->ifaces; | |
2829 | if (prev == wpa_s) { | |
2830 | global->ifaces = wpa_s->next; | |
2831 | } else { | |
2832 | while (prev && prev->next != wpa_s) | |
2833 | prev = prev->next; | |
2834 | if (prev == NULL) | |
2835 | return -1; | |
2836 | prev->next = wpa_s->next; | |
2837 | } | |
2838 | ||
f049052b | 2839 | wpa_dbg(wpa_s, MSG_DEBUG, "Removing interface %s", wpa_s->ifname); |
6fc6879b | 2840 | |
b22128ef JM |
2841 | if (global->p2p_group_formation == wpa_s) |
2842 | global->p2p_group_formation = NULL; | |
df509539 | 2843 | wpa_supplicant_deinit_iface(wpa_s, 1, terminate); |
6fc6879b JM |
2844 | os_free(wpa_s); |
2845 | ||
2846 | return 0; | |
2847 | } | |
2848 | ||
2849 | ||
cf83fb0b PS |
2850 | /** |
2851 | * wpa_supplicant_get_eap_mode - Get the current EAP mode | |
2852 | * @wpa_s: Pointer to the network interface | |
2853 | * Returns: Pointer to the eap mode or the string "UNKNOWN" if not found | |
2854 | */ | |
2855 | const char * wpa_supplicant_get_eap_mode(struct wpa_supplicant *wpa_s) | |
2856 | { | |
2857 | const char *eapol_method; | |
2858 | ||
2859 | if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) == 0 && | |
2860 | wpa_s->key_mgmt != WPA_KEY_MGMT_IEEE8021X_NO_WPA) { | |
2861 | return "NO-EAP"; | |
2862 | } | |
2863 | ||
2864 | eapol_method = eapol_sm_get_method_name(wpa_s->eapol); | |
2865 | if (eapol_method == NULL) | |
2866 | return "UNKNOWN-EAP"; | |
2867 | ||
2868 | return eapol_method; | |
2869 | } | |
2870 | ||
2871 | ||
6fc6879b JM |
2872 | /** |
2873 | * wpa_supplicant_get_iface - Get a new network interface | |
2874 | * @global: Pointer to global data from wpa_supplicant_init() | |
2875 | * @ifname: Interface name | |
2876 | * Returns: Pointer to the interface or %NULL if not found | |
2877 | */ | |
2878 | struct wpa_supplicant * wpa_supplicant_get_iface(struct wpa_global *global, | |
2879 | const char *ifname) | |
2880 | { | |
2881 | struct wpa_supplicant *wpa_s; | |
2882 | ||
2883 | for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) { | |
2884 | if (os_strcmp(wpa_s->ifname, ifname) == 0) | |
2885 | return wpa_s; | |
2886 | } | |
2887 | return NULL; | |
2888 | } | |
2889 | ||
2890 | ||
50b16da1 | 2891 | #ifndef CONFIG_NO_WPA_MSG |
4f1495ae BG |
2892 | static const char * wpa_supplicant_msg_ifname_cb(void *ctx) |
2893 | { | |
2894 | struct wpa_supplicant *wpa_s = ctx; | |
2895 | if (wpa_s == NULL) | |
2896 | return NULL; | |
2897 | return wpa_s->ifname; | |
2898 | } | |
50b16da1 | 2899 | #endif /* CONFIG_NO_WPA_MSG */ |
4f1495ae BG |
2900 | |
2901 | ||
6fc6879b JM |
2902 | /** |
2903 | * wpa_supplicant_init - Initialize %wpa_supplicant | |
2904 | * @params: Parameters for %wpa_supplicant | |
2905 | * Returns: Pointer to global %wpa_supplicant data, or %NULL on failure | |
2906 | * | |
2907 | * This function is used to initialize %wpa_supplicant. After successful | |
2908 | * initialization, the returned data pointer can be used to add and remove | |
2909 | * network interfaces, and eventually, to deinitialize %wpa_supplicant. | |
2910 | */ | |
2911 | struct wpa_global * wpa_supplicant_init(struct wpa_params *params) | |
2912 | { | |
2913 | struct wpa_global *global; | |
ac305589 | 2914 | int ret, i; |
6fc6879b JM |
2915 | |
2916 | if (params == NULL) | |
2917 | return NULL; | |
2918 | ||
39e7d718 JM |
2919 | #ifdef CONFIG_DRIVER_NDIS |
2920 | { | |
2921 | void driver_ndis_init_ops(void); | |
2922 | driver_ndis_init_ops(); | |
2923 | } | |
2924 | #endif /* CONFIG_DRIVER_NDIS */ | |
2925 | ||
50b16da1 | 2926 | #ifndef CONFIG_NO_WPA_MSG |
4f1495ae | 2927 | wpa_msg_register_ifname_cb(wpa_supplicant_msg_ifname_cb); |
50b16da1 | 2928 | #endif /* CONFIG_NO_WPA_MSG */ |
4f1495ae | 2929 | |
6fc6879b | 2930 | wpa_debug_open_file(params->wpa_debug_file_path); |
daa70d49 SL |
2931 | if (params->wpa_debug_syslog) |
2932 | wpa_debug_open_syslog(); | |
4f68895e JB |
2933 | if (params->wpa_debug_tracing) { |
2934 | ret = wpa_debug_open_linux_tracing(); | |
2935 | if (ret) { | |
2936 | wpa_printf(MSG_ERROR, | |
2937 | "Failed to enable trace logging"); | |
2938 | return NULL; | |
2939 | } | |
2940 | } | |
6fc6879b | 2941 | |
12760815 | 2942 | ret = eap_register_methods(); |
6fc6879b JM |
2943 | if (ret) { |
2944 | wpa_printf(MSG_ERROR, "Failed to register EAP methods"); | |
2945 | if (ret == -2) | |
2946 | wpa_printf(MSG_ERROR, "Two or more EAP methods used " | |
2947 | "the same EAP type."); | |
2948 | return NULL; | |
2949 | } | |
2950 | ||
2951 | global = os_zalloc(sizeof(*global)); | |
2952 | if (global == NULL) | |
2953 | return NULL; | |
b22128ef JM |
2954 | dl_list_init(&global->p2p_srv_bonjour); |
2955 | dl_list_init(&global->p2p_srv_upnp); | |
6fc6879b JM |
2956 | global->params.daemonize = params->daemonize; |
2957 | global->params.wait_for_monitor = params->wait_for_monitor; | |
2958 | global->params.dbus_ctrl_interface = params->dbus_ctrl_interface; | |
2959 | if (params->pid_file) | |
2960 | global->params.pid_file = os_strdup(params->pid_file); | |
2961 | if (params->ctrl_interface) | |
2962 | global->params.ctrl_interface = | |
2963 | os_strdup(params->ctrl_interface); | |
d27df100 JM |
2964 | if (params->override_driver) |
2965 | global->params.override_driver = | |
2966 | os_strdup(params->override_driver); | |
2967 | if (params->override_ctrl_interface) | |
2968 | global->params.override_ctrl_interface = | |
2969 | os_strdup(params->override_ctrl_interface); | |
6fc6879b JM |
2970 | wpa_debug_level = global->params.wpa_debug_level = |
2971 | params->wpa_debug_level; | |
2972 | wpa_debug_show_keys = global->params.wpa_debug_show_keys = | |
2973 | params->wpa_debug_show_keys; | |
2974 | wpa_debug_timestamp = global->params.wpa_debug_timestamp = | |
2975 | params->wpa_debug_timestamp; | |
2976 | ||
f19858f5 JM |
2977 | wpa_printf(MSG_DEBUG, "wpa_supplicant v" VERSION_STR); |
2978 | ||
0456ea16 | 2979 | if (eloop_init()) { |
6fc6879b JM |
2980 | wpa_printf(MSG_ERROR, "Failed to initialize event loop"); |
2981 | wpa_supplicant_deinit(global); | |
2982 | return NULL; | |
2983 | } | |
2984 | ||
38e24575 | 2985 | random_init(params->entropy_file); |
d47fa330 | 2986 | |
6fc6879b JM |
2987 | global->ctrl_iface = wpa_supplicant_global_ctrl_iface_init(global); |
2988 | if (global->ctrl_iface == NULL) { | |
2989 | wpa_supplicant_deinit(global); | |
2990 | return NULL; | |
2991 | } | |
2992 | ||
dc461de4 WS |
2993 | if (wpas_notify_supplicant_initialized(global)) { |
2994 | wpa_supplicant_deinit(global); | |
2995 | return NULL; | |
6fc6879b JM |
2996 | } |
2997 | ||
c5121837 | 2998 | for (i = 0; wpa_drivers[i]; i++) |
ac305589 JM |
2999 | global->drv_count++; |
3000 | if (global->drv_count == 0) { | |
3001 | wpa_printf(MSG_ERROR, "No drivers enabled"); | |
3002 | wpa_supplicant_deinit(global); | |
3003 | return NULL; | |
3004 | } | |
3005 | global->drv_priv = os_zalloc(global->drv_count * sizeof(void *)); | |
3006 | if (global->drv_priv == NULL) { | |
3007 | wpa_supplicant_deinit(global); | |
3008 | return NULL; | |
3009 | } | |
ac305589 | 3010 | |
6fc6879b JM |
3011 | return global; |
3012 | } | |
3013 | ||
3014 | ||
3015 | /** | |
3016 | * wpa_supplicant_run - Run the %wpa_supplicant main event loop | |
3017 | * @global: Pointer to global data from wpa_supplicant_init() | |
3018 | * Returns: 0 after successful event loop run, -1 on failure | |
3019 | * | |
3020 | * This function starts the main event loop and continues running as long as | |
3021 | * there are any remaining events. In most cases, this function is running as | |
3022 | * long as the %wpa_supplicant process in still in use. | |
3023 | */ | |
3024 | int wpa_supplicant_run(struct wpa_global *global) | |
3025 | { | |
3026 | struct wpa_supplicant *wpa_s; | |
3027 | ||
3028 | if (global->params.daemonize && | |
3029 | wpa_supplicant_daemon(global->params.pid_file)) | |
3030 | return -1; | |
3031 | ||
3032 | if (global->params.wait_for_monitor) { | |
3033 | for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) | |
3034 | if (wpa_s->ctrl_iface) | |
3035 | wpa_supplicant_ctrl_iface_wait( | |
3036 | wpa_s->ctrl_iface); | |
3037 | } | |
3038 | ||
0456ea16 JM |
3039 | eloop_register_signal_terminate(wpa_supplicant_terminate, global); |
3040 | eloop_register_signal_reconfig(wpa_supplicant_reconfig, global); | |
6fc6879b JM |
3041 | |
3042 | eloop_run(); | |
3043 | ||
3044 | return 0; | |
3045 | } | |
3046 | ||
3047 | ||
3048 | /** | |
3049 | * wpa_supplicant_deinit - Deinitialize %wpa_supplicant | |
3050 | * @global: Pointer to global data from wpa_supplicant_init() | |
3051 | * | |
3052 | * This function is called to deinitialize %wpa_supplicant and to free all | |
3053 | * allocated resources. Remaining network interfaces will also be removed. | |
3054 | */ | |
3055 | void wpa_supplicant_deinit(struct wpa_global *global) | |
3056 | { | |
ac305589 JM |
3057 | int i; |
3058 | ||
6fc6879b JM |
3059 | if (global == NULL) |
3060 | return; | |
3061 | ||
b22128ef JM |
3062 | #ifdef CONFIG_P2P |
3063 | wpas_p2p_deinit_global(global); | |
3064 | #endif /* CONFIG_P2P */ | |
3065 | ||
6fc6879b | 3066 | while (global->ifaces) |
df509539 | 3067 | wpa_supplicant_remove_iface(global, global->ifaces, 1); |
6fc6879b JM |
3068 | |
3069 | if (global->ctrl_iface) | |
3070 | wpa_supplicant_global_ctrl_iface_deinit(global->ctrl_iface); | |
dc461de4 WS |
3071 | |
3072 | wpas_notify_supplicant_deinitialized(global); | |
6fc6879b JM |
3073 | |
3074 | eap_peer_unregister_methods(); | |
3ec97afe JM |
3075 | #ifdef CONFIG_AP |
3076 | eap_server_unregister_methods(); | |
3077 | #endif /* CONFIG_AP */ | |
6fc6879b | 3078 | |
c5121837 | 3079 | for (i = 0; wpa_drivers[i] && global->drv_priv; i++) { |
ac305589 JM |
3080 | if (!global->drv_priv[i]) |
3081 | continue; | |
c5121837 | 3082 | wpa_drivers[i]->global_deinit(global->drv_priv[i]); |
ac305589 JM |
3083 | } |
3084 | os_free(global->drv_priv); | |
3085 | ||
d47fa330 JM |
3086 | random_deinit(); |
3087 | ||
6fc6879b JM |
3088 | eloop_destroy(); |
3089 | ||
3090 | if (global->params.pid_file) { | |
3091 | os_daemonize_terminate(global->params.pid_file); | |
3092 | os_free(global->params.pid_file); | |
3093 | } | |
3094 | os_free(global->params.ctrl_interface); | |
d27df100 JM |
3095 | os_free(global->params.override_driver); |
3096 | os_free(global->params.override_ctrl_interface); | |
6fc6879b | 3097 | |
6f3bc72b JM |
3098 | os_free(global->p2p_disallow_freq); |
3099 | ||
6fc6879b | 3100 | os_free(global); |
daa70d49 | 3101 | wpa_debug_close_syslog(); |
6fc6879b | 3102 | wpa_debug_close_file(); |
4f68895e | 3103 | wpa_debug_close_linux_tracing(); |
6fc6879b | 3104 | } |
611aea7d JM |
3105 | |
3106 | ||
3107 | void wpa_supplicant_update_config(struct wpa_supplicant *wpa_s) | |
3108 | { | |
849b5dc7 JM |
3109 | if ((wpa_s->conf->changed_parameters & CFG_CHANGED_COUNTRY) && |
3110 | wpa_s->conf->country[0] && wpa_s->conf->country[1]) { | |
3111 | char country[3]; | |
3112 | country[0] = wpa_s->conf->country[0]; | |
3113 | country[1] = wpa_s->conf->country[1]; | |
3114 | country[2] = '\0'; | |
3115 | if (wpa_drv_set_country(wpa_s, country) < 0) { | |
3116 | wpa_printf(MSG_ERROR, "Failed to set country code " | |
3117 | "'%s'", country); | |
3118 | } | |
3119 | } | |
3120 | ||
611aea7d JM |
3121 | #ifdef CONFIG_WPS |
3122 | wpas_wps_update_config(wpa_s); | |
3123 | #endif /* CONFIG_WPS */ | |
3124 | ||
b22128ef JM |
3125 | #ifdef CONFIG_P2P |
3126 | wpas_p2p_update_config(wpa_s); | |
3127 | #endif /* CONFIG_P2P */ | |
3128 | ||
611aea7d JM |
3129 | wpa_s->conf->changed_parameters = 0; |
3130 | } | |
2f9c6aa6 JM |
3131 | |
3132 | ||
0fb337c1 JM |
3133 | static void add_freq(int *freqs, int *num_freqs, int freq) |
3134 | { | |
3135 | int i; | |
3136 | ||
3137 | for (i = 0; i < *num_freqs; i++) { | |
3138 | if (freqs[i] == freq) | |
3139 | return; | |
3140 | } | |
3141 | ||
3142 | freqs[*num_freqs] = freq; | |
3143 | (*num_freqs)++; | |
3144 | } | |
3145 | ||
3146 | ||
3147 | static int * get_bss_freqs_in_ess(struct wpa_supplicant *wpa_s) | |
3148 | { | |
3149 | struct wpa_bss *bss, *cbss; | |
3150 | const int max_freqs = 10; | |
3151 | int *freqs; | |
3152 | int num_freqs = 0; | |
3153 | ||
3154 | freqs = os_zalloc(sizeof(int) * (max_freqs + 1)); | |
3155 | if (freqs == NULL) | |
3156 | return NULL; | |
3157 | ||
3158 | cbss = wpa_s->current_bss; | |
3159 | ||
3160 | dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { | |
3161 | if (bss == cbss) | |
3162 | continue; | |
3163 | if (bss->ssid_len == cbss->ssid_len && | |
3164 | os_memcmp(bss->ssid, cbss->ssid, bss->ssid_len) == 0 && | |
3165 | wpa_blacklist_get(wpa_s, bss->bssid) == NULL) { | |
3166 | add_freq(freqs, &num_freqs, bss->freq); | |
3167 | if (num_freqs == max_freqs) | |
3168 | break; | |
3169 | } | |
3170 | } | |
3171 | ||
3172 | if (num_freqs == 0) { | |
3173 | os_free(freqs); | |
3174 | freqs = NULL; | |
3175 | } | |
3176 | ||
3177 | return freqs; | |
3178 | } | |
3179 | ||
3180 | ||
3181 | void wpas_connection_failed(struct wpa_supplicant *wpa_s, const u8 *bssid) | |
3182 | { | |
3183 | int timeout; | |
3184 | int count; | |
3185 | int *freqs = NULL; | |
3186 | ||
5fd9fb27 JM |
3187 | /* |
3188 | * Remove possible authentication timeout since the connection failed. | |
3189 | */ | |
3190 | eloop_cancel_timeout(wpa_supplicant_timeout, wpa_s, NULL); | |
3191 | ||
0fb337c1 JM |
3192 | /* |
3193 | * Add the failed BSSID into the blacklist and speed up next scan | |
3194 | * attempt if there could be other APs that could accept association. | |
3195 | * The current blacklist count indicates how many times we have tried | |
3196 | * connecting to this AP and multiple attempts mean that other APs are | |
3197 | * either not available or has already been tried, so that we can start | |
3198 | * increasing the delay here to avoid constant scanning. | |
3199 | */ | |
3200 | count = wpa_blacklist_add(wpa_s, bssid); | |
3201 | if (count == 1 && wpa_s->current_bss) { | |
3202 | /* | |
3203 | * This BSS was not in the blacklist before. If there is | |
3204 | * another BSS available for the same ESS, we should try that | |
3205 | * next. Otherwise, we may as well try this one once more | |
3206 | * before allowing other, likely worse, ESSes to be considered. | |
3207 | */ | |
3208 | freqs = get_bss_freqs_in_ess(wpa_s); | |
3209 | if (freqs) { | |
f049052b BG |
3210 | wpa_dbg(wpa_s, MSG_DEBUG, "Another BSS in this ESS " |
3211 | "has been seen; try it next"); | |
0fb337c1 JM |
3212 | wpa_blacklist_add(wpa_s, bssid); |
3213 | /* | |
3214 | * On the next scan, go through only the known channels | |
3215 | * used in this ESS based on previous scans to speed up | |
3216 | * common load balancing use case. | |
3217 | */ | |
3218 | os_free(wpa_s->next_scan_freqs); | |
3219 | wpa_s->next_scan_freqs = freqs; | |
3220 | } | |
3221 | } | |
3222 | ||
3223 | switch (count) { | |
3224 | case 1: | |
3225 | timeout = 100; | |
3226 | break; | |
3227 | case 2: | |
3228 | timeout = 500; | |
3229 | break; | |
3230 | case 3: | |
3231 | timeout = 1000; | |
3232 | break; | |
3233 | default: | |
3234 | timeout = 5000; | |
3235 | } | |
3236 | ||
3237 | /* | |
3238 | * TODO: if more than one possible AP is available in scan results, | |
3239 | * could try the other ones before requesting a new scan. | |
3240 | */ | |
3241 | wpa_supplicant_req_scan(wpa_s, timeout / 1000, | |
3242 | 1000 * (timeout % 1000)); | |
3243 | } | |
22628eca JM |
3244 | |
3245 | ||
3246 | int wpas_driver_bss_selection(struct wpa_supplicant *wpa_s) | |
3247 | { | |
3248 | return wpa_s->conf->ap_scan == 2 || | |
3249 | (wpa_s->drv_flags & WPA_DRIVER_FLAGS_BSS_SELECTION); | |
3250 | } | |
d2118814 JM |
3251 | |
3252 | ||
3253 | #if defined(CONFIG_CTRL_IFACE) || defined(CONFIG_CTRL_IFACE_DBUS_NEW) | |
3254 | int wpa_supplicant_ctrl_iface_ctrl_rsp_handle(struct wpa_supplicant *wpa_s, | |
3255 | struct wpa_ssid *ssid, | |
3256 | const char *field, | |
3257 | const char *value) | |
3258 | { | |
3259 | #ifdef IEEE8021X_EAPOL | |
3260 | struct eap_peer_config *eap = &ssid->eap; | |
3261 | ||
3262 | wpa_printf(MSG_DEBUG, "CTRL_IFACE: response handle field=%s", field); | |
3263 | wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: response value", | |
3264 | (const u8 *) value, os_strlen(value)); | |
3265 | ||
3266 | switch (wpa_supplicant_ctrl_req_from_string(field)) { | |
3267 | case WPA_CTRL_REQ_EAP_IDENTITY: | |
3268 | os_free(eap->identity); | |
3269 | eap->identity = (u8 *) os_strdup(value); | |
3270 | eap->identity_len = os_strlen(value); | |
3271 | eap->pending_req_identity = 0; | |
3272 | if (ssid == wpa_s->current_ssid) | |
3273 | wpa_s->reassociate = 1; | |
3274 | break; | |
3275 | case WPA_CTRL_REQ_EAP_PASSWORD: | |
3276 | os_free(eap->password); | |
3277 | eap->password = (u8 *) os_strdup(value); | |
3278 | eap->password_len = os_strlen(value); | |
3279 | eap->pending_req_password = 0; | |
3280 | if (ssid == wpa_s->current_ssid) | |
3281 | wpa_s->reassociate = 1; | |
3282 | break; | |
3283 | case WPA_CTRL_REQ_EAP_NEW_PASSWORD: | |
3284 | os_free(eap->new_password); | |
3285 | eap->new_password = (u8 *) os_strdup(value); | |
3286 | eap->new_password_len = os_strlen(value); | |
3287 | eap->pending_req_new_password = 0; | |
3288 | if (ssid == wpa_s->current_ssid) | |
3289 | wpa_s->reassociate = 1; | |
3290 | break; | |
3291 | case WPA_CTRL_REQ_EAP_PIN: | |
3292 | os_free(eap->pin); | |
3293 | eap->pin = os_strdup(value); | |
3294 | eap->pending_req_pin = 0; | |
3295 | if (ssid == wpa_s->current_ssid) | |
3296 | wpa_s->reassociate = 1; | |
3297 | break; | |
3298 | case WPA_CTRL_REQ_EAP_OTP: | |
3299 | os_free(eap->otp); | |
3300 | eap->otp = (u8 *) os_strdup(value); | |
3301 | eap->otp_len = os_strlen(value); | |
3302 | os_free(eap->pending_req_otp); | |
3303 | eap->pending_req_otp = NULL; | |
3304 | eap->pending_req_otp_len = 0; | |
3305 | break; | |
3306 | case WPA_CTRL_REQ_EAP_PASSPHRASE: | |
3307 | os_free(eap->private_key_passwd); | |
3308 | eap->private_key_passwd = (u8 *) os_strdup(value); | |
3309 | eap->pending_req_passphrase = 0; | |
3310 | if (ssid == wpa_s->current_ssid) | |
3311 | wpa_s->reassociate = 1; | |
3312 | break; | |
3313 | default: | |
3314 | wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown field '%s'", field); | |
3315 | return -1; | |
3316 | } | |
3317 | ||
3318 | return 0; | |
3319 | #else /* IEEE8021X_EAPOL */ | |
3320 | wpa_printf(MSG_DEBUG, "CTRL_IFACE: IEEE 802.1X not included"); | |
3321 | return -1; | |
3322 | #endif /* IEEE8021X_EAPOL */ | |
3323 | } | |
3324 | #endif /* CONFIG_CTRL_IFACE || CONFIG_CTRL_IFACE_DBUS_NEW */ | |
349493bd JM |
3325 | |
3326 | ||
3327 | int wpas_network_disabled(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid) | |
3328 | { | |
3329 | int i; | |
3330 | unsigned int drv_enc; | |
3331 | ||
3332 | if (ssid == NULL) | |
3333 | return 1; | |
3334 | ||
3335 | if (ssid->disabled) | |
3336 | return 1; | |
3337 | ||
3338 | if (wpa_s && wpa_s->drv_capa_known) | |
3339 | drv_enc = wpa_s->drv_enc; | |
3340 | else | |
3341 | drv_enc = (unsigned int) -1; | |
3342 | ||
3343 | for (i = 0; i < NUM_WEP_KEYS; i++) { | |
3344 | size_t len = ssid->wep_key_len[i]; | |
3345 | if (len == 0) | |
3346 | continue; | |
3347 | if (len == 5 && (drv_enc & WPA_DRIVER_CAPA_ENC_WEP40)) | |
3348 | continue; | |
3349 | if (len == 13 && (drv_enc & WPA_DRIVER_CAPA_ENC_WEP104)) | |
3350 | continue; | |
3351 | if (len == 16 && (drv_enc & WPA_DRIVER_CAPA_ENC_WEP128)) | |
3352 | continue; | |
3353 | return 1; /* invalid WEP key */ | |
3354 | } | |
3355 | ||
3356 | return 0; | |
3357 | } |