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Commit | Line | Data |
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6fc6879b JM |
1 | /* |
2 | * WPA Supplicant | |
15c56067 | 3 | * Copyright (c) 2003-2016, 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" | |
2e997eec RM |
14 | #ifdef CONFIG_MATCH_IFACE |
15 | #include <net/if.h> | |
16 | #include <fnmatch.h> | |
17 | #endif /* CONFIG_MATCH_IFACE */ | |
6fc6879b JM |
18 | |
19 | #include "common.h" | |
d47fa330 | 20 | #include "crypto/random.h" |
7d232e23 | 21 | #include "crypto/sha1.h" |
6fc6879b JM |
22 | #include "eapol_supp/eapol_supp_sm.h" |
23 | #include "eap_peer/eap.h" | |
ec7b97ab | 24 | #include "eap_peer/eap_proxy.h" |
3ec97afe | 25 | #include "eap_server/eap_methods.h" |
3acb5005 | 26 | #include "rsn_supp/wpa.h" |
6fc6879b | 27 | #include "eloop.h" |
6fc6879b | 28 | #include "config.h" |
306ae225 | 29 | #include "utils/ext_password.h" |
6fc6879b JM |
30 | #include "l2_packet/l2_packet.h" |
31 | #include "wpa_supplicant_i.h" | |
2d5b792d | 32 | #include "driver_i.h" |
6fc6879b | 33 | #include "ctrl_iface.h" |
6fc6879b | 34 | #include "pcsc_funcs.h" |
90973fb2 | 35 | #include "common/version.h" |
3acb5005 JM |
36 | #include "rsn_supp/preauth.h" |
37 | #include "rsn_supp/pmksa_cache.h" | |
90973fb2 | 38 | #include "common/wpa_ctrl.h" |
90973fb2 | 39 | #include "common/ieee802_11_defs.h" |
6b8b0774 | 40 | #include "common/hw_features_common.h" |
72044390 | 41 | #include "p2p/p2p.h" |
b36a3a65 | 42 | #include "fst/fst.h" |
6fc6879b JM |
43 | #include "blacklist.h" |
44 | #include "wpas_glue.h" | |
116654ce | 45 | #include "wps_supplicant.h" |
11ef8d35 | 46 | #include "ibss_rsn.h" |
c2a04078 | 47 | #include "sme.h" |
04ea7b79 | 48 | #include "gas_query.h" |
1f1b62a0 | 49 | #include "ap.h" |
b22128ef | 50 | #include "p2p_supplicant.h" |
9675ce35 | 51 | #include "wifi_display.h" |
8bac466b | 52 | #include "notify.h" |
60b94c98 | 53 | #include "bgscan.h" |
7c865c68 | 54 | #include "autoscan.h" |
83922c2d | 55 | #include "bss.h" |
9ba9fa07 | 56 | #include "scan.h" |
24f6497c | 57 | #include "offchannel.h" |
cb418324 | 58 | #include "hs20_supplicant.h" |
e27d20bb | 59 | #include "wnm_sta.h" |
dd10abcc | 60 | #include "wpas_kay.h" |
603a3f34 | 61 | #include "mesh.h" |
6fc6879b | 62 | |
8b423edb | 63 | const char *const wpa_supplicant_version = |
6fc6879b | 64 | "wpa_supplicant v" VERSION_STR "\n" |
15c56067 | 65 | "Copyright (c) 2003-2016, Jouni Malinen <j@w1.fi> and contributors"; |
6fc6879b | 66 | |
8b423edb | 67 | const char *const wpa_supplicant_license = |
331f89ff JM |
68 | "This software may be distributed under the terms of the BSD license.\n" |
69 | "See README for more details.\n" | |
6fc6879b JM |
70 | #ifdef EAP_TLS_OPENSSL |
71 | "\nThis product includes software developed by the OpenSSL Project\n" | |
72 | "for use in the OpenSSL Toolkit (http://www.openssl.org/)\n" | |
73 | #endif /* EAP_TLS_OPENSSL */ | |
74 | ; | |
75 | ||
76 | #ifndef CONFIG_NO_STDOUT_DEBUG | |
77 | /* Long text divided into parts in order to fit in C89 strings size limits. */ | |
8b423edb | 78 | const char *const wpa_supplicant_full_license1 = |
331f89ff | 79 | ""; |
8b423edb | 80 | const char *const wpa_supplicant_full_license2 = |
331f89ff | 81 | "This software may be distributed under the terms of the BSD license.\n" |
6fc6879b JM |
82 | "\n" |
83 | "Redistribution and use in source and binary forms, with or without\n" | |
84 | "modification, are permitted provided that the following conditions are\n" | |
85 | "met:\n" | |
86 | "\n"; | |
8b423edb | 87 | const char *const wpa_supplicant_full_license3 = |
6fc6879b JM |
88 | "1. Redistributions of source code must retain the above copyright\n" |
89 | " notice, this list of conditions and the following disclaimer.\n" | |
90 | "\n" | |
91 | "2. Redistributions in binary form must reproduce the above copyright\n" | |
92 | " notice, this list of conditions and the following disclaimer in the\n" | |
93 | " documentation and/or other materials provided with the distribution.\n" | |
94 | "\n"; | |
8b423edb | 95 | const char *const wpa_supplicant_full_license4 = |
6fc6879b JM |
96 | "3. Neither the name(s) of the above-listed copyright holder(s) nor the\n" |
97 | " names of its contributors may be used to endorse or promote products\n" | |
98 | " derived from this software without specific prior written permission.\n" | |
99 | "\n" | |
100 | "THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\n" | |
101 | "\"AS IS\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\n" | |
102 | "LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\n" | |
103 | "A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT\n"; | |
8b423edb | 104 | const char *const wpa_supplicant_full_license5 = |
6fc6879b JM |
105 | "OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\n" |
106 | "SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\n" | |
107 | "LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\n" | |
108 | "DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\n" | |
109 | "THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n" | |
110 | "(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\n" | |
111 | "OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n" | |
112 | "\n"; | |
113 | #endif /* CONFIG_NO_STDOUT_DEBUG */ | |
114 | ||
6fc6879b | 115 | /* Configure default/group WEP keys for static WEP */ |
0194fedb | 116 | int wpa_set_wep_keys(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid) |
6fc6879b JM |
117 | { |
118 | int i, set = 0; | |
119 | ||
120 | for (i = 0; i < NUM_WEP_KEYS; i++) { | |
121 | if (ssid->wep_key_len[i] == 0) | |
122 | continue; | |
123 | ||
124 | set = 1; | |
0382097e | 125 | wpa_drv_set_key(wpa_s, WPA_ALG_WEP, NULL, |
da64c266 | 126 | i, i == ssid->wep_tx_keyidx, NULL, 0, |
6fc6879b JM |
127 | ssid->wep_key[i], ssid->wep_key_len[i]); |
128 | } | |
129 | ||
130 | return set; | |
131 | } | |
132 | ||
133 | ||
6ea1f413 JM |
134 | int wpa_supplicant_set_wpa_none_key(struct wpa_supplicant *wpa_s, |
135 | struct wpa_ssid *ssid) | |
6fc6879b JM |
136 | { |
137 | u8 key[32]; | |
138 | size_t keylen; | |
71934751 | 139 | enum wpa_alg alg; |
6fc6879b | 140 | u8 seq[6] = { 0 }; |
658da804 | 141 | int ret; |
6fc6879b JM |
142 | |
143 | /* IBSS/WPA-None uses only one key (Group) for both receiving and | |
144 | * sending unicast and multicast packets. */ | |
145 | ||
d7dcba70 | 146 | if (ssid->mode != WPAS_MODE_IBSS) { |
f049052b BG |
147 | wpa_msg(wpa_s, MSG_INFO, "WPA: Invalid mode %d (not " |
148 | "IBSS/ad-hoc) for WPA-None", ssid->mode); | |
6fc6879b JM |
149 | return -1; |
150 | } | |
151 | ||
152 | if (!ssid->psk_set) { | |
f049052b BG |
153 | wpa_msg(wpa_s, MSG_INFO, "WPA: No PSK configured for " |
154 | "WPA-None"); | |
6fc6879b JM |
155 | return -1; |
156 | } | |
157 | ||
158 | switch (wpa_s->group_cipher) { | |
159 | case WPA_CIPHER_CCMP: | |
160 | os_memcpy(key, ssid->psk, 16); | |
161 | keylen = 16; | |
162 | alg = WPA_ALG_CCMP; | |
163 | break; | |
eb7719ff JM |
164 | case WPA_CIPHER_GCMP: |
165 | os_memcpy(key, ssid->psk, 16); | |
166 | keylen = 16; | |
167 | alg = WPA_ALG_GCMP; | |
168 | break; | |
6fc6879b JM |
169 | case WPA_CIPHER_TKIP: |
170 | /* WPA-None uses the same Michael MIC key for both TX and RX */ | |
171 | os_memcpy(key, ssid->psk, 16 + 8); | |
172 | os_memcpy(key + 16 + 8, ssid->psk + 16, 8); | |
173 | keylen = 32; | |
174 | alg = WPA_ALG_TKIP; | |
175 | break; | |
176 | default: | |
f049052b BG |
177 | wpa_msg(wpa_s, MSG_INFO, "WPA: Invalid group cipher %d for " |
178 | "WPA-None", wpa_s->group_cipher); | |
6fc6879b JM |
179 | return -1; |
180 | } | |
181 | ||
182 | /* TODO: should actually remember the previously used seq#, both for TX | |
183 | * and RX from each STA.. */ | |
184 | ||
658da804 JM |
185 | ret = wpa_drv_set_key(wpa_s, alg, NULL, 0, 1, seq, 6, key, keylen); |
186 | os_memset(key, 0, sizeof(key)); | |
187 | return ret; | |
6fc6879b JM |
188 | } |
189 | ||
190 | ||
191 | static void wpa_supplicant_timeout(void *eloop_ctx, void *timeout_ctx) | |
192 | { | |
193 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
194 | const u8 *bssid = wpa_s->bssid; | |
04e3d815 MK |
195 | if (!is_zero_ether_addr(wpa_s->pending_bssid) && |
196 | (wpa_s->wpa_state == WPA_AUTHENTICATING || | |
197 | wpa_s->wpa_state == WPA_ASSOCIATING)) | |
6fc6879b JM |
198 | bssid = wpa_s->pending_bssid; |
199 | wpa_msg(wpa_s, MSG_INFO, "Authentication with " MACSTR " timed out.", | |
200 | MAC2STR(bssid)); | |
201 | wpa_blacklist_add(wpa_s, bssid); | |
202 | wpa_sm_notify_disassoc(wpa_s->wpa); | |
07783eaa | 203 | wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING); |
6fc6879b | 204 | wpa_s->reassociate = 1; |
48b84f18 BG |
205 | |
206 | /* | |
207 | * If we timed out, the AP or the local radio may be busy. | |
208 | * So, wait a second until scanning again. | |
209 | */ | |
210 | wpa_supplicant_req_scan(wpa_s, 1, 0); | |
6fc6879b JM |
211 | } |
212 | ||
213 | ||
214 | /** | |
215 | * wpa_supplicant_req_auth_timeout - Schedule a timeout for authentication | |
216 | * @wpa_s: Pointer to wpa_supplicant data | |
217 | * @sec: Number of seconds after which to time out authentication | |
218 | * @usec: Number of microseconds after which to time out authentication | |
219 | * | |
220 | * This function is used to schedule a timeout for the current authentication | |
221 | * attempt. | |
222 | */ | |
223 | void wpa_supplicant_req_auth_timeout(struct wpa_supplicant *wpa_s, | |
224 | int sec, int usec) | |
225 | { | |
a2a535f8 | 226 | if (wpa_s->conf->ap_scan == 0 && |
c2a04078 | 227 | (wpa_s->drv_flags & WPA_DRIVER_FLAGS_WIRED)) |
6fc6879b JM |
228 | return; |
229 | ||
f049052b | 230 | wpa_dbg(wpa_s, MSG_DEBUG, "Setting authentication timeout: %d sec " |
6fc6879b JM |
231 | "%d usec", sec, usec); |
232 | eloop_cancel_timeout(wpa_supplicant_timeout, wpa_s, NULL); | |
233 | eloop_register_timeout(sec, usec, wpa_supplicant_timeout, wpa_s, NULL); | |
234 | } | |
235 | ||
236 | ||
237 | /** | |
238 | * wpa_supplicant_cancel_auth_timeout - Cancel authentication timeout | |
239 | * @wpa_s: Pointer to wpa_supplicant data | |
240 | * | |
241 | * This function is used to cancel authentication timeout scheduled with | |
242 | * wpa_supplicant_req_auth_timeout() and it is called when authentication has | |
243 | * been completed. | |
244 | */ | |
245 | void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant *wpa_s) | |
246 | { | |
f049052b | 247 | wpa_dbg(wpa_s, MSG_DEBUG, "Cancelling authentication timeout"); |
6fc6879b JM |
248 | eloop_cancel_timeout(wpa_supplicant_timeout, wpa_s, NULL); |
249 | wpa_blacklist_del(wpa_s, wpa_s->bssid); | |
250 | } | |
251 | ||
252 | ||
253 | /** | |
254 | * wpa_supplicant_initiate_eapol - Configure EAPOL state machine | |
255 | * @wpa_s: Pointer to wpa_supplicant data | |
256 | * | |
257 | * This function is used to configure EAPOL state machine based on the selected | |
258 | * authentication mode. | |
259 | */ | |
260 | void wpa_supplicant_initiate_eapol(struct wpa_supplicant *wpa_s) | |
261 | { | |
262 | #ifdef IEEE8021X_EAPOL | |
263 | struct eapol_config eapol_conf; | |
264 | struct wpa_ssid *ssid = wpa_s->current_ssid; | |
265 | ||
53895c3b | 266 | #ifdef CONFIG_IBSS_RSN |
d7dcba70 | 267 | if (ssid->mode == WPAS_MODE_IBSS && |
53895c3b JM |
268 | wpa_s->key_mgmt != WPA_KEY_MGMT_NONE && |
269 | wpa_s->key_mgmt != WPA_KEY_MGMT_WPA_NONE) { | |
270 | /* | |
271 | * RSN IBSS authentication is per-STA and we can disable the | |
272 | * per-BSSID EAPOL authentication. | |
273 | */ | |
274 | eapol_sm_notify_portControl(wpa_s->eapol, ForceAuthorized); | |
275 | eapol_sm_notify_eap_success(wpa_s->eapol, TRUE); | |
276 | eapol_sm_notify_eap_fail(wpa_s->eapol, FALSE); | |
277 | return; | |
278 | } | |
279 | #endif /* CONFIG_IBSS_RSN */ | |
280 | ||
0a40ec6a JM |
281 | eapol_sm_notify_eap_success(wpa_s->eapol, FALSE); |
282 | eapol_sm_notify_eap_fail(wpa_s->eapol, FALSE); | |
283 | ||
6fc6879b JM |
284 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE || |
285 | wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) | |
286 | eapol_sm_notify_portControl(wpa_s->eapol, ForceAuthorized); | |
287 | else | |
288 | eapol_sm_notify_portControl(wpa_s->eapol, Auto); | |
289 | ||
290 | os_memset(&eapol_conf, 0, sizeof(eapol_conf)); | |
291 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) { | |
292 | eapol_conf.accept_802_1x_keys = 1; | |
293 | eapol_conf.required_keys = 0; | |
294 | if (ssid->eapol_flags & EAPOL_FLAG_REQUIRE_KEY_UNICAST) { | |
295 | eapol_conf.required_keys |= EAPOL_REQUIRE_KEY_UNICAST; | |
296 | } | |
297 | if (ssid->eapol_flags & EAPOL_FLAG_REQUIRE_KEY_BROADCAST) { | |
298 | eapol_conf.required_keys |= | |
299 | EAPOL_REQUIRE_KEY_BROADCAST; | |
300 | } | |
301 | ||
a2a535f8 | 302 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_WIRED) |
6fc6879b | 303 | eapol_conf.required_keys = 0; |
6fc6879b | 304 | } |
a2a535f8 | 305 | eapol_conf.fast_reauth = wpa_s->conf->fast_reauth; |
6fc6879b | 306 | eapol_conf.workaround = ssid->eap_workaround; |
56586197 JM |
307 | eapol_conf.eap_disabled = |
308 | !wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) && | |
ad08c363 JM |
309 | wpa_s->key_mgmt != WPA_KEY_MGMT_IEEE8021X_NO_WPA && |
310 | wpa_s->key_mgmt != WPA_KEY_MGMT_WPS; | |
a5d44ac0 | 311 | eapol_conf.external_sim = wpa_s->conf->external_sim; |
3f7ac058 JS |
312 | |
313 | #ifdef CONFIG_WPS | |
314 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS) { | |
315 | eapol_conf.wps |= EAPOL_LOCAL_WPS_IN_USE; | |
316 | if (wpa_s->current_bss) { | |
317 | struct wpabuf *ie; | |
318 | ie = wpa_bss_get_vendor_ie_multi(wpa_s->current_bss, | |
319 | WPS_IE_VENDOR_TYPE); | |
320 | if (ie) { | |
321 | if (wps_is_20(ie)) | |
322 | eapol_conf.wps |= | |
323 | EAPOL_PEER_IS_WPS20_AP; | |
324 | wpabuf_free(ie); | |
325 | } | |
326 | } | |
327 | } | |
328 | #endif /* CONFIG_WPS */ | |
329 | ||
6fc6879b | 330 | eapol_sm_notify_config(wpa_s->eapol, &ssid->eap, &eapol_conf); |
dd10abcc HW |
331 | |
332 | ieee802_1x_alloc_kay_sm(wpa_s, ssid); | |
cd3153a9 | 333 | #endif /* IEEE8021X_EAPOL */ |
6fc6879b JM |
334 | } |
335 | ||
336 | ||
337 | /** | |
338 | * wpa_supplicant_set_non_wpa_policy - Set WPA parameters to non-WPA mode | |
339 | * @wpa_s: Pointer to wpa_supplicant data | |
340 | * @ssid: Configuration data for the network | |
341 | * | |
342 | * This function is used to configure WPA state machine and related parameters | |
343 | * to a mode where WPA is not enabled. This is called as part of the | |
344 | * authentication configuration when the selected network does not use WPA. | |
345 | */ | |
346 | void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant *wpa_s, | |
347 | struct wpa_ssid *ssid) | |
348 | { | |
349 | int i; | |
350 | ||
ad08c363 JM |
351 | if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) |
352 | wpa_s->key_mgmt = WPA_KEY_MGMT_WPS; | |
353 | else if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) | |
6fc6879b JM |
354 | wpa_s->key_mgmt = WPA_KEY_MGMT_IEEE8021X_NO_WPA; |
355 | else | |
356 | wpa_s->key_mgmt = WPA_KEY_MGMT_NONE; | |
357 | wpa_sm_set_ap_wpa_ie(wpa_s->wpa, NULL, 0); | |
358 | wpa_sm_set_ap_rsn_ie(wpa_s->wpa, NULL, 0); | |
359 | wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0); | |
360 | wpa_s->pairwise_cipher = WPA_CIPHER_NONE; | |
361 | wpa_s->group_cipher = WPA_CIPHER_NONE; | |
362 | wpa_s->mgmt_group_cipher = 0; | |
363 | ||
364 | for (i = 0; i < NUM_WEP_KEYS; i++) { | |
365 | if (ssid->wep_key_len[i] > 5) { | |
366 | wpa_s->pairwise_cipher = WPA_CIPHER_WEP104; | |
367 | wpa_s->group_cipher = WPA_CIPHER_WEP104; | |
368 | break; | |
369 | } else if (ssid->wep_key_len[i] > 0) { | |
370 | wpa_s->pairwise_cipher = WPA_CIPHER_WEP40; | |
371 | wpa_s->group_cipher = WPA_CIPHER_WEP40; | |
372 | break; | |
373 | } | |
374 | } | |
375 | ||
376 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_RSN_ENABLED, 0); | |
377 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_KEY_MGMT, wpa_s->key_mgmt); | |
378 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_PAIRWISE, | |
379 | wpa_s->pairwise_cipher); | |
380 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_GROUP, wpa_s->group_cipher); | |
381 | #ifdef CONFIG_IEEE80211W | |
382 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_MGMT_GROUP, | |
383 | wpa_s->mgmt_group_cipher); | |
384 | #endif /* CONFIG_IEEE80211W */ | |
385 | ||
386 | pmksa_cache_clear_current(wpa_s->wpa); | |
387 | } | |
388 | ||
389 | ||
6979582c | 390 | void free_hw_features(struct wpa_supplicant *wpa_s) |
6bf731e8 CL |
391 | { |
392 | int i; | |
393 | if (wpa_s->hw.modes == NULL) | |
394 | return; | |
395 | ||
396 | for (i = 0; i < wpa_s->hw.num_modes; i++) { | |
397 | os_free(wpa_s->hw.modes[i].channels); | |
398 | os_free(wpa_s->hw.modes[i].rates); | |
399 | } | |
400 | ||
401 | os_free(wpa_s->hw.modes); | |
402 | wpa_s->hw.modes = NULL; | |
403 | } | |
404 | ||
405 | ||
dd599908 AS |
406 | static void free_bss_tmp_disallowed(struct wpa_supplicant *wpa_s) |
407 | { | |
408 | struct wpa_bss_tmp_disallowed *bss, *prev; | |
409 | ||
410 | dl_list_for_each_safe(bss, prev, &wpa_s->bss_tmp_disallowed, | |
411 | struct wpa_bss_tmp_disallowed, list) { | |
412 | dl_list_del(&bss->list); | |
413 | os_free(bss); | |
414 | } | |
415 | } | |
416 | ||
417 | ||
6fc6879b JM |
418 | static void wpa_supplicant_cleanup(struct wpa_supplicant *wpa_s) |
419 | { | |
86bd36f0 JM |
420 | int i; |
421 | ||
60b94c98 | 422 | bgscan_deinit(wpa_s); |
7c865c68 | 423 | autoscan_deinit(wpa_s); |
6fc6879b JM |
424 | scard_deinit(wpa_s->scard); |
425 | wpa_s->scard = NULL; | |
426 | wpa_sm_set_scard_ctx(wpa_s->wpa, NULL); | |
427 | eapol_sm_register_scard_ctx(wpa_s->eapol, NULL); | |
428 | l2_packet_deinit(wpa_s->l2); | |
429 | wpa_s->l2 = NULL; | |
430 | if (wpa_s->l2_br) { | |
431 | l2_packet_deinit(wpa_s->l2_br); | |
432 | wpa_s->l2_br = NULL; | |
433 | } | |
4a6cc862 JM |
434 | #ifdef CONFIG_TESTING_OPTIONS |
435 | l2_packet_deinit(wpa_s->l2_test); | |
436 | wpa_s->l2_test = NULL; | |
437 | #endif /* CONFIG_TESTING_OPTIONS */ | |
6fc6879b | 438 | |
6fc6879b | 439 | if (wpa_s->conf != NULL) { |
8e56d189 JM |
440 | struct wpa_ssid *ssid; |
441 | for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) | |
442 | wpas_notify_network_removed(wpa_s, ssid); | |
6fc6879b JM |
443 | } |
444 | ||
445 | os_free(wpa_s->confname); | |
446 | wpa_s->confname = NULL; | |
447 | ||
e6304cad DS |
448 | os_free(wpa_s->confanother); |
449 | wpa_s->confanother = NULL; | |
450 | ||
6fc6879b JM |
451 | wpa_sm_set_eapol(wpa_s->wpa, NULL); |
452 | eapol_sm_deinit(wpa_s->eapol); | |
453 | wpa_s->eapol = NULL; | |
454 | ||
455 | rsn_preauth_deinit(wpa_s->wpa); | |
456 | ||
281ff0aa GP |
457 | #ifdef CONFIG_TDLS |
458 | wpa_tdls_deinit(wpa_s->wpa); | |
459 | #endif /* CONFIG_TDLS */ | |
460 | ||
8c42b369 | 461 | wmm_ac_clear_saved_tspecs(wpa_s); |
6fc6879b JM |
462 | pmksa_candidate_free(wpa_s->wpa); |
463 | wpa_sm_deinit(wpa_s->wpa); | |
464 | wpa_s->wpa = NULL; | |
465 | wpa_blacklist_clear(wpa_s); | |
466 | ||
83922c2d | 467 | wpa_bss_deinit(wpa_s); |
6fc6879b | 468 | |
831770bf | 469 | wpa_supplicant_cancel_delayed_sched_scan(wpa_s); |
6fc6879b JM |
470 | wpa_supplicant_cancel_scan(wpa_s); |
471 | wpa_supplicant_cancel_auth_timeout(wpa_s); | |
01a17491 JM |
472 | eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL); |
473 | #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT | |
474 | eloop_cancel_timeout(wpa_supplicant_delayed_mic_error_report, | |
475 | wpa_s, NULL); | |
476 | #endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */ | |
6fc6879b | 477 | |
9bd566a3 AS |
478 | eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL); |
479 | ||
116654ce | 480 | wpas_wps_deinit(wpa_s); |
11ef8d35 | 481 | |
1ff73338 JM |
482 | wpabuf_free(wpa_s->pending_eapol_rx); |
483 | wpa_s->pending_eapol_rx = NULL; | |
484 | ||
11ef8d35 JM |
485 | #ifdef CONFIG_IBSS_RSN |
486 | ibss_rsn_deinit(wpa_s->ibss_rsn); | |
487 | wpa_s->ibss_rsn = NULL; | |
488 | #endif /* CONFIG_IBSS_RSN */ | |
c2a04078 | 489 | |
e29853bb | 490 | sme_deinit(wpa_s); |
2d5b792d JM |
491 | |
492 | #ifdef CONFIG_AP | |
493 | wpa_supplicant_ap_deinit(wpa_s); | |
494 | #endif /* CONFIG_AP */ | |
b22128ef | 495 | |
b22128ef | 496 | wpas_p2p_deinit(wpa_s); |
f47d639d | 497 | |
24f6497c JM |
498 | #ifdef CONFIG_OFFCHANNEL |
499 | offchannel_deinit(wpa_s); | |
500 | #endif /* CONFIG_OFFCHANNEL */ | |
501 | ||
a4cba8f1 LC |
502 | wpa_supplicant_cancel_sched_scan(wpa_s); |
503 | ||
f47d639d JM |
504 | os_free(wpa_s->next_scan_freqs); |
505 | wpa_s->next_scan_freqs = NULL; | |
fee52342 JM |
506 | |
507 | os_free(wpa_s->manual_scan_freqs); | |
508 | wpa_s->manual_scan_freqs = NULL; | |
04ea7b79 | 509 | |
d3c9c35f DS |
510 | os_free(wpa_s->manual_sched_scan_freqs); |
511 | wpa_s->manual_sched_scan_freqs = NULL; | |
512 | ||
56c76fa5 IP |
513 | wpas_mac_addr_rand_scan_clear(wpa_s, MAC_ADDR_RAND_ALL); |
514 | ||
57e832de IP |
515 | /* |
516 | * Need to remove any pending gas-query radio work before the | |
517 | * gas_query_deinit() call because gas_query::work has not yet been set | |
518 | * for works that have not been started. gas_query_free() will be unable | |
519 | * to cancel such pending radio works and once the pending gas-query | |
520 | * radio work eventually gets removed, the deinit notification call to | |
521 | * gas_query_start_cb() would result in dereferencing freed memory. | |
522 | */ | |
523 | if (wpa_s->radio) | |
524 | radio_remove_works(wpa_s, "gas-query", 0); | |
04ea7b79 JM |
525 | gas_query_deinit(wpa_s->gas); |
526 | wpa_s->gas = NULL; | |
6bf731e8 CL |
527 | |
528 | free_hw_features(wpa_s); | |
d445a5cd | 529 | |
dd10abcc HW |
530 | ieee802_1x_dealloc_kay_sm(wpa_s); |
531 | ||
d445a5cd JM |
532 | os_free(wpa_s->bssid_filter); |
533 | wpa_s->bssid_filter = NULL; | |
b6668734 | 534 | |
6407f413 JM |
535 | os_free(wpa_s->disallow_aps_bssid); |
536 | wpa_s->disallow_aps_bssid = NULL; | |
537 | os_free(wpa_s->disallow_aps_ssid); | |
538 | wpa_s->disallow_aps_ssid = NULL; | |
539 | ||
b6668734 | 540 | wnm_bss_keep_alive_deinit(wpa_s); |
e27d20bb VK |
541 | #ifdef CONFIG_WNM |
542 | wnm_deallocate_memory(wpa_s); | |
543 | #endif /* CONFIG_WNM */ | |
306ae225 JM |
544 | |
545 | ext_password_deinit(wpa_s->ext_pw); | |
546 | wpa_s->ext_pw = NULL; | |
b1f12296 JM |
547 | |
548 | wpabuf_free(wpa_s->last_gas_resp); | |
b6a9590b JM |
549 | wpa_s->last_gas_resp = NULL; |
550 | wpabuf_free(wpa_s->prev_gas_resp); | |
551 | wpa_s->prev_gas_resp = NULL; | |
a297201d JM |
552 | |
553 | os_free(wpa_s->last_scan_res); | |
554 | wpa_s->last_scan_res = NULL; | |
b572df86 JM |
555 | |
556 | #ifdef CONFIG_HS20 | |
ece4ac5f MG |
557 | if (wpa_s->drv_priv) |
558 | wpa_drv_configure_frame_filters(wpa_s, 0); | |
fb2ac53d | 559 | hs20_deinit(wpa_s); |
b572df86 | 560 | #endif /* CONFIG_HS20 */ |
86bd36f0 JM |
561 | |
562 | for (i = 0; i < NUM_VENDOR_ELEM_FRAMES; i++) { | |
563 | wpabuf_free(wpa_s->vendor_elem[i]); | |
564 | wpa_s->vendor_elem[i] = NULL; | |
565 | } | |
3882a708 JM |
566 | |
567 | wmm_ac_notify_disassoc(wpa_s); | |
32c02261 AS |
568 | |
569 | wpa_s->sched_scan_plans_num = 0; | |
570 | os_free(wpa_s->sched_scan_plans); | |
571 | wpa_s->sched_scan_plans = NULL; | |
92c6e2e3 DS |
572 | |
573 | #ifdef CONFIG_MBO | |
574 | wpa_s->non_pref_chan_num = 0; | |
575 | os_free(wpa_s->non_pref_chan); | |
576 | wpa_s->non_pref_chan = NULL; | |
577 | #endif /* CONFIG_MBO */ | |
dd599908 AS |
578 | |
579 | free_bss_tmp_disallowed(wpa_s); | |
4a742011 DS |
580 | |
581 | wpabuf_free(wpa_s->lci); | |
582 | wpa_s->lci = NULL; | |
6fc6879b JM |
583 | } |
584 | ||
585 | ||
586 | /** | |
587 | * wpa_clear_keys - Clear keys configured for the driver | |
588 | * @wpa_s: Pointer to wpa_supplicant data | |
589 | * @addr: Previously used BSSID or %NULL if not available | |
590 | * | |
591 | * This function clears the encryption keys that has been previously configured | |
592 | * for the driver. | |
593 | */ | |
594 | void wpa_clear_keys(struct wpa_supplicant *wpa_s, const u8 *addr) | |
595 | { | |
2f30cac3 | 596 | int i, max; |
6fc6879b | 597 | |
0e27f655 | 598 | #ifdef CONFIG_IEEE80211W |
2f30cac3 JM |
599 | max = 6; |
600 | #else /* CONFIG_IEEE80211W */ | |
601 | max = 4; | |
0e27f655 | 602 | #endif /* CONFIG_IEEE80211W */ |
2f30cac3 JM |
603 | |
604 | /* MLME-DELETEKEYS.request */ | |
605 | for (i = 0; i < max; i++) { | |
606 | if (wpa_s->keys_cleared & BIT(i)) | |
607 | continue; | |
608 | wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, i, 0, NULL, 0, | |
609 | NULL, 0); | |
610 | } | |
611 | if (!(wpa_s->keys_cleared & BIT(0)) && addr && | |
612 | !is_zero_ether_addr(addr)) { | |
6fc6879b JM |
613 | wpa_drv_set_key(wpa_s, WPA_ALG_NONE, addr, 0, 0, NULL, 0, NULL, |
614 | 0); | |
615 | /* MLME-SETPROTECTION.request(None) */ | |
616 | wpa_drv_mlme_setprotection( | |
617 | wpa_s, addr, | |
618 | MLME_SETPROTECTION_PROTECT_TYPE_NONE, | |
619 | MLME_SETPROTECTION_KEY_TYPE_PAIRWISE); | |
620 | } | |
2f30cac3 | 621 | wpa_s->keys_cleared = (u32) -1; |
6fc6879b JM |
622 | } |
623 | ||
624 | ||
625 | /** | |
626 | * wpa_supplicant_state_txt - Get the connection state name as a text string | |
627 | * @state: State (wpa_state; WPA_*) | |
628 | * Returns: The state name as a printable text string | |
629 | */ | |
71934751 | 630 | const char * wpa_supplicant_state_txt(enum wpa_states state) |
6fc6879b JM |
631 | { |
632 | switch (state) { | |
633 | case WPA_DISCONNECTED: | |
634 | return "DISCONNECTED"; | |
635 | case WPA_INACTIVE: | |
636 | return "INACTIVE"; | |
8401a6b0 JM |
637 | case WPA_INTERFACE_DISABLED: |
638 | return "INTERFACE_DISABLED"; | |
6fc6879b JM |
639 | case WPA_SCANNING: |
640 | return "SCANNING"; | |
c2a04078 JM |
641 | case WPA_AUTHENTICATING: |
642 | return "AUTHENTICATING"; | |
6fc6879b JM |
643 | case WPA_ASSOCIATING: |
644 | return "ASSOCIATING"; | |
645 | case WPA_ASSOCIATED: | |
646 | return "ASSOCIATED"; | |
647 | case WPA_4WAY_HANDSHAKE: | |
648 | return "4WAY_HANDSHAKE"; | |
649 | case WPA_GROUP_HANDSHAKE: | |
650 | return "GROUP_HANDSHAKE"; | |
651 | case WPA_COMPLETED: | |
652 | return "COMPLETED"; | |
653 | default: | |
654 | return "UNKNOWN"; | |
655 | } | |
656 | } | |
657 | ||
658 | ||
cfe53c9a PS |
659 | #ifdef CONFIG_BGSCAN |
660 | ||
661 | static void wpa_supplicant_start_bgscan(struct wpa_supplicant *wpa_s) | |
662 | { | |
31392709 HD |
663 | const char *name; |
664 | ||
665 | if (wpa_s->current_ssid && wpa_s->current_ssid->bgscan) | |
666 | name = wpa_s->current_ssid->bgscan; | |
667 | else | |
668 | name = wpa_s->conf->bgscan; | |
268043d5 | 669 | if (name == NULL || name[0] == '\0') |
31392709 | 670 | return; |
0096c427 JM |
671 | if (wpas_driver_bss_selection(wpa_s)) |
672 | return; | |
cfe53c9a PS |
673 | if (wpa_s->current_ssid == wpa_s->bgscan_ssid) |
674 | return; | |
aa109830 DS |
675 | #ifdef CONFIG_P2P |
676 | if (wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE) | |
677 | return; | |
678 | #endif /* CONFIG_P2P */ | |
cfe53c9a PS |
679 | |
680 | bgscan_deinit(wpa_s); | |
31392709 HD |
681 | if (wpa_s->current_ssid) { |
682 | if (bgscan_init(wpa_s, wpa_s->current_ssid, name)) { | |
cfe53c9a PS |
683 | wpa_dbg(wpa_s, MSG_DEBUG, "Failed to initialize " |
684 | "bgscan"); | |
685 | /* | |
686 | * Live without bgscan; it is only used as a roaming | |
687 | * optimization, so the initial connection is not | |
688 | * affected. | |
689 | */ | |
6409b7a7 YD |
690 | } else { |
691 | struct wpa_scan_results *scan_res; | |
cfe53c9a | 692 | wpa_s->bgscan_ssid = wpa_s->current_ssid; |
6409b7a7 YD |
693 | scan_res = wpa_supplicant_get_scan_results(wpa_s, NULL, |
694 | 0); | |
695 | if (scan_res) { | |
696 | bgscan_notify_scan(wpa_s, scan_res); | |
697 | wpa_scan_results_free(scan_res); | |
698 | } | |
699 | } | |
cfe53c9a PS |
700 | } else |
701 | wpa_s->bgscan_ssid = NULL; | |
702 | } | |
703 | ||
704 | ||
705 | static void wpa_supplicant_stop_bgscan(struct wpa_supplicant *wpa_s) | |
706 | { | |
707 | if (wpa_s->bgscan_ssid != NULL) { | |
708 | bgscan_deinit(wpa_s); | |
709 | wpa_s->bgscan_ssid = NULL; | |
710 | } | |
711 | } | |
712 | ||
713 | #endif /* CONFIG_BGSCAN */ | |
714 | ||
715 | ||
7c865c68 TB |
716 | static void wpa_supplicant_start_autoscan(struct wpa_supplicant *wpa_s) |
717 | { | |
99218999 | 718 | if (autoscan_init(wpa_s, 0)) |
7c865c68 TB |
719 | wpa_dbg(wpa_s, MSG_DEBUG, "Failed to initialize autoscan"); |
720 | } | |
721 | ||
722 | ||
723 | static void wpa_supplicant_stop_autoscan(struct wpa_supplicant *wpa_s) | |
724 | { | |
725 | autoscan_deinit(wpa_s); | |
726 | } | |
727 | ||
728 | ||
c3d12238 JM |
729 | void wpa_supplicant_reinit_autoscan(struct wpa_supplicant *wpa_s) |
730 | { | |
731 | if (wpa_s->wpa_state == WPA_DISCONNECTED || | |
732 | wpa_s->wpa_state == WPA_SCANNING) { | |
733 | autoscan_deinit(wpa_s); | |
734 | wpa_supplicant_start_autoscan(wpa_s); | |
735 | } | |
736 | } | |
737 | ||
738 | ||
6fc6879b JM |
739 | /** |
740 | * wpa_supplicant_set_state - Set current connection state | |
741 | * @wpa_s: Pointer to wpa_supplicant data | |
742 | * @state: The new connection state | |
743 | * | |
744 | * This function is called whenever the connection state changes, e.g., | |
745 | * association is completed for WPA/WPA2 4-Way Handshake is started. | |
746 | */ | |
71934751 JM |
747 | void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s, |
748 | enum wpa_states state) | |
6fc6879b | 749 | { |
27f43d8d MH |
750 | enum wpa_states old_state = wpa_s->wpa_state; |
751 | ||
f049052b BG |
752 | wpa_dbg(wpa_s, MSG_DEBUG, "State: %s -> %s", |
753 | wpa_supplicant_state_txt(wpa_s->wpa_state), | |
754 | wpa_supplicant_state_txt(state)); | |
6fc6879b | 755 | |
5ddd07cb AS |
756 | if (state == WPA_INTERFACE_DISABLED) { |
757 | /* Assure normal scan when interface is restored */ | |
758 | wpa_s->normal_scans = 0; | |
759 | } | |
760 | ||
0cf24fda | 761 | if (state == WPA_COMPLETED) { |
6ac4b15e | 762 | wpas_connect_work_done(wpa_s); |
0cf24fda LC |
763 | /* Reinitialize normal_scan counter */ |
764 | wpa_s->normal_scans = 0; | |
765 | } | |
6ac4b15e | 766 | |
07c1e987 MS |
767 | #ifdef CONFIG_P2P |
768 | /* | |
769 | * P2PS client has to reply to Probe Request frames received on the | |
770 | * group operating channel. Enable Probe Request frame reporting for | |
771 | * P2P connected client in case p2p_cli_probe configuration property is | |
772 | * set to 1. | |
773 | */ | |
774 | if (wpa_s->conf->p2p_cli_probe && wpa_s->current_ssid && | |
775 | wpa_s->current_ssid->mode == WPAS_MODE_INFRA && | |
776 | wpa_s->current_ssid->p2p_group) { | |
777 | if (state == WPA_COMPLETED && !wpa_s->p2p_cli_probe) { | |
778 | wpa_dbg(wpa_s, MSG_DEBUG, | |
779 | "P2P: Enable CLI Probe Request RX reporting"); | |
780 | wpa_s->p2p_cli_probe = | |
781 | wpa_drv_probe_req_report(wpa_s, 1) >= 0; | |
782 | } else if (state != WPA_COMPLETED && wpa_s->p2p_cli_probe) { | |
783 | wpa_dbg(wpa_s, MSG_DEBUG, | |
784 | "P2P: Disable CLI Probe Request RX reporting"); | |
785 | wpa_s->p2p_cli_probe = 0; | |
786 | wpa_drv_probe_req_report(wpa_s, 0); | |
787 | } | |
788 | } | |
789 | #endif /* CONFIG_P2P */ | |
790 | ||
cb8564b1 DW |
791 | if (state != WPA_SCANNING) |
792 | wpa_supplicant_notify_scanning(wpa_s, 0); | |
793 | ||
6fc6879b | 794 | if (state == WPA_COMPLETED && wpa_s->new_connection) { |
6fc6879b | 795 | struct wpa_ssid *ssid = wpa_s->current_ssid; |
7d37a357 | 796 | #if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG) |
6fc6879b | 797 | wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED "- Connection to " |
1cfc6787 JM |
798 | MACSTR " completed [id=%d id_str=%s]", |
799 | MAC2STR(wpa_s->bssid), | |
6fc6879b JM |
800 | ssid ? ssid->id : -1, |
801 | ssid && ssid->id_str ? ssid->id_str : ""); | |
802 | #endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */ | |
00e5e3d5 | 803 | wpas_clear_temp_disabled(wpa_s, ssid, 1); |
a20a3616 | 804 | wpa_blacklist_clear(wpa_s); |
f1a52633 | 805 | wpa_s->extra_blacklist_count = 0; |
6fc6879b | 806 | wpa_s->new_connection = 0; |
6fc6879b | 807 | wpa_drv_set_operstate(wpa_s, 1); |
99ac2913 FF |
808 | #ifndef IEEE8021X_EAPOL |
809 | wpa_drv_set_supp_port(wpa_s, 1); | |
810 | #endif /* IEEE8021X_EAPOL */ | |
17a4734d | 811 | wpa_s->after_wps = 0; |
4d9fb08d | 812 | wpa_s->known_wps_freq = 0; |
b22128ef | 813 | wpas_p2p_completed(wpa_s); |
c3701c66 RM |
814 | |
815 | sme_sched_obss_scan(wpa_s, 1); | |
6fc6879b JM |
816 | } else if (state == WPA_DISCONNECTED || state == WPA_ASSOCIATING || |
817 | state == WPA_ASSOCIATED) { | |
818 | wpa_s->new_connection = 1; | |
819 | wpa_drv_set_operstate(wpa_s, 0); | |
99ac2913 FF |
820 | #ifndef IEEE8021X_EAPOL |
821 | wpa_drv_set_supp_port(wpa_s, 0); | |
822 | #endif /* IEEE8021X_EAPOL */ | |
c3701c66 | 823 | sme_sched_obss_scan(wpa_s, 0); |
6fc6879b JM |
824 | } |
825 | wpa_s->wpa_state = state; | |
27f43d8d | 826 | |
cfe53c9a PS |
827 | #ifdef CONFIG_BGSCAN |
828 | if (state == WPA_COMPLETED) | |
829 | wpa_supplicant_start_bgscan(wpa_s); | |
37271232 | 830 | else if (state < WPA_ASSOCIATED) |
cfe53c9a PS |
831 | wpa_supplicant_stop_bgscan(wpa_s); |
832 | #endif /* CONFIG_BGSCAN */ | |
833 | ||
7c865c68 TB |
834 | if (state == WPA_AUTHENTICATING) |
835 | wpa_supplicant_stop_autoscan(wpa_s); | |
836 | ||
837 | if (state == WPA_DISCONNECTED || state == WPA_INACTIVE) | |
838 | wpa_supplicant_start_autoscan(wpa_s); | |
839 | ||
fecc2bb5 EP |
840 | if (old_state >= WPA_ASSOCIATED && wpa_s->wpa_state < WPA_ASSOCIATED) |
841 | wmm_ac_notify_disassoc(wpa_s); | |
842 | ||
5bbf9f10 | 843 | if (wpa_s->wpa_state != old_state) { |
27f43d8d | 844 | wpas_notify_state_changed(wpa_s, wpa_s->wpa_state, old_state); |
5bbf9f10 | 845 | |
e3bd6e9d IP |
846 | /* |
847 | * Notify the P2P Device interface about a state change in one | |
848 | * of the interfaces. | |
849 | */ | |
850 | wpas_p2p_indicate_state_change(wpa_s); | |
e3bd6e9d | 851 | |
5bbf9f10 PS |
852 | if (wpa_s->wpa_state == WPA_COMPLETED || |
853 | old_state == WPA_COMPLETED) | |
854 | wpas_notify_auth_changed(wpa_s); | |
855 | } | |
6fc6879b JM |
856 | } |
857 | ||
858 | ||
1a1bf008 JM |
859 | void wpa_supplicant_terminate_proc(struct wpa_global *global) |
860 | { | |
861 | int pending = 0; | |
862 | #ifdef CONFIG_WPS | |
863 | struct wpa_supplicant *wpa_s = global->ifaces; | |
864 | while (wpa_s) { | |
ab41595f | 865 | struct wpa_supplicant *next = wpa_s->next; |
5516ed32 EA |
866 | if (wpas_wps_terminate_pending(wpa_s) == 1) |
867 | pending = 1; | |
20625e97 JM |
868 | #ifdef CONFIG_P2P |
869 | if (wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE || | |
870 | (wpa_s->current_ssid && wpa_s->current_ssid->p2p_group)) | |
871 | wpas_p2p_disconnect(wpa_s); | |
872 | #endif /* CONFIG_P2P */ | |
ab41595f | 873 | wpa_s = next; |
1a1bf008 JM |
874 | } |
875 | #endif /* CONFIG_WPS */ | |
876 | if (pending) | |
877 | return; | |
878 | eloop_terminate(); | |
879 | } | |
880 | ||
881 | ||
0456ea16 | 882 | static void wpa_supplicant_terminate(int sig, void *signal_ctx) |
6fc6879b | 883 | { |
0456ea16 | 884 | struct wpa_global *global = signal_ctx; |
1a1bf008 | 885 | wpa_supplicant_terminate_proc(global); |
6fc6879b JM |
886 | } |
887 | ||
888 | ||
b22128ef | 889 | void wpa_supplicant_clear_status(struct wpa_supplicant *wpa_s) |
6fc6879b | 890 | { |
71934751 | 891 | enum wpa_states old_state = wpa_s->wpa_state; |
27f43d8d | 892 | |
6fc6879b JM |
893 | wpa_s->pairwise_cipher = 0; |
894 | wpa_s->group_cipher = 0; | |
895 | wpa_s->mgmt_group_cipher = 0; | |
896 | wpa_s->key_mgmt = 0; | |
8401a6b0 | 897 | if (wpa_s->wpa_state != WPA_INTERFACE_DISABLED) |
99218999 | 898 | wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); |
27f43d8d MH |
899 | |
900 | if (wpa_s->wpa_state != old_state) | |
901 | wpas_notify_state_changed(wpa_s, wpa_s->wpa_state, old_state); | |
6fc6879b JM |
902 | } |
903 | ||
904 | ||
905 | /** | |
906 | * wpa_supplicant_reload_configuration - Reload configuration data | |
907 | * @wpa_s: Pointer to wpa_supplicant data | |
908 | * Returns: 0 on success or -1 if configuration parsing failed | |
909 | * | |
910 | * This function can be used to request that the configuration data is reloaded | |
911 | * (e.g., after configuration file change). This function is reloading | |
912 | * configuration only for one interface, so this may need to be called multiple | |
913 | * times if %wpa_supplicant is controlling multiple interfaces and all | |
914 | * interfaces need reconfiguration. | |
915 | */ | |
916 | int wpa_supplicant_reload_configuration(struct wpa_supplicant *wpa_s) | |
917 | { | |
918 | struct wpa_config *conf; | |
919 | int reconf_ctrl; | |
8bac466b JM |
920 | int old_ap_scan; |
921 | ||
6fc6879b JM |
922 | if (wpa_s->confname == NULL) |
923 | return -1; | |
e6304cad | 924 | conf = wpa_config_read(wpa_s->confname, NULL); |
6fc6879b JM |
925 | if (conf == NULL) { |
926 | wpa_msg(wpa_s, MSG_ERROR, "Failed to parse the configuration " | |
927 | "file '%s' - exiting", wpa_s->confname); | |
928 | return -1; | |
929 | } | |
e6304cad DS |
930 | wpa_config_read(wpa_s->confanother, conf); |
931 | ||
611aea7d | 932 | conf->changed_parameters = (unsigned int) -1; |
6fc6879b JM |
933 | |
934 | reconf_ctrl = !!conf->ctrl_interface != !!wpa_s->conf->ctrl_interface | |
935 | || (conf->ctrl_interface && wpa_s->conf->ctrl_interface && | |
936 | os_strcmp(conf->ctrl_interface, | |
937 | wpa_s->conf->ctrl_interface) != 0); | |
938 | ||
939 | if (reconf_ctrl && wpa_s->ctrl_iface) { | |
940 | wpa_supplicant_ctrl_iface_deinit(wpa_s->ctrl_iface); | |
941 | wpa_s->ctrl_iface = NULL; | |
942 | } | |
943 | ||
944 | eapol_sm_invalidate_cached_session(wpa_s->eapol); | |
7b7ce8aa | 945 | if (wpa_s->current_ssid) { |
e66bcedd JM |
946 | if (wpa_s->wpa_state >= WPA_AUTHENTICATING) |
947 | wpa_s->own_disconnect_req = 1; | |
7b7ce8aa JM |
948 | wpa_supplicant_deauthenticate(wpa_s, |
949 | WLAN_REASON_DEAUTH_LEAVING); | |
950 | } | |
8bac466b | 951 | |
6fc6879b JM |
952 | /* |
953 | * TODO: should notify EAPOL SM about changes in opensc_engine_path, | |
07e2de31 | 954 | * pkcs11_engine_path, pkcs11_module_path, openssl_ciphers. |
6fc6879b | 955 | */ |
56586197 | 956 | if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) { |
6fc6879b JM |
957 | /* |
958 | * Clear forced success to clear EAP state for next | |
959 | * authentication. | |
960 | */ | |
961 | eapol_sm_notify_eap_success(wpa_s->eapol, FALSE); | |
962 | } | |
963 | eapol_sm_notify_config(wpa_s->eapol, NULL, NULL); | |
964 | wpa_sm_set_config(wpa_s->wpa, NULL); | |
d8a790b9 | 965 | wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL); |
6fc6879b JM |
966 | wpa_sm_set_fast_reauth(wpa_s->wpa, wpa_s->conf->fast_reauth); |
967 | rsn_preauth_deinit(wpa_s->wpa); | |
8bac466b JM |
968 | |
969 | old_ap_scan = wpa_s->conf->ap_scan; | |
6fc6879b JM |
970 | wpa_config_free(wpa_s->conf); |
971 | wpa_s->conf = conf; | |
8bac466b JM |
972 | if (old_ap_scan != wpa_s->conf->ap_scan) |
973 | wpas_notify_ap_scan_changed(wpa_s); | |
974 | ||
6fc6879b JM |
975 | if (reconf_ctrl) |
976 | wpa_s->ctrl_iface = wpa_supplicant_ctrl_iface_init(wpa_s); | |
977 | ||
611aea7d JM |
978 | wpa_supplicant_update_config(wpa_s); |
979 | ||
6fc6879b | 980 | wpa_supplicant_clear_status(wpa_s); |
349493bd | 981 | if (wpa_supplicant_enabled_networks(wpa_s)) { |
43a38635 JM |
982 | wpa_s->reassociate = 1; |
983 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
984 | } | |
f049052b | 985 | wpa_dbg(wpa_s, MSG_DEBUG, "Reconfiguration completed"); |
6fc6879b JM |
986 | return 0; |
987 | } | |
988 | ||
989 | ||
0456ea16 | 990 | static void wpa_supplicant_reconfig(int sig, void *signal_ctx) |
6fc6879b | 991 | { |
0456ea16 | 992 | struct wpa_global *global = signal_ctx; |
6fc6879b | 993 | struct wpa_supplicant *wpa_s; |
6fc6879b | 994 | for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) { |
f049052b BG |
995 | wpa_dbg(wpa_s, MSG_DEBUG, "Signal %d received - reconfiguring", |
996 | sig); | |
6fc6879b | 997 | if (wpa_supplicant_reload_configuration(wpa_s) < 0) { |
1a1bf008 | 998 | wpa_supplicant_terminate_proc(global); |
6fc6879b JM |
999 | } |
1000 | } | |
1248e584 LR |
1001 | |
1002 | if (wpa_debug_reopen_file() < 0) { | |
1003 | /* Ignore errors since we cannot really do much to fix this */ | |
1004 | wpa_printf(MSG_DEBUG, "Could not reopen debug log file"); | |
1005 | } | |
6fc6879b JM |
1006 | } |
1007 | ||
1008 | ||
6fc6879b JM |
1009 | static int wpa_supplicant_suites_from_ai(struct wpa_supplicant *wpa_s, |
1010 | struct wpa_ssid *ssid, | |
1011 | struct wpa_ie_data *ie) | |
1012 | { | |
1013 | int ret = wpa_sm_parse_own_wpa_ie(wpa_s->wpa, ie); | |
1014 | if (ret) { | |
1015 | if (ret == -2) { | |
1016 | wpa_msg(wpa_s, MSG_INFO, "WPA: Failed to parse WPA IE " | |
1017 | "from association info"); | |
1018 | } | |
1019 | return -1; | |
1020 | } | |
1021 | ||
f049052b BG |
1022 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Using WPA IE from AssocReq to set " |
1023 | "cipher suites"); | |
6fc6879b JM |
1024 | if (!(ie->group_cipher & ssid->group_cipher)) { |
1025 | wpa_msg(wpa_s, MSG_INFO, "WPA: Driver used disabled group " | |
1026 | "cipher 0x%x (mask 0x%x) - reject", | |
1027 | ie->group_cipher, ssid->group_cipher); | |
1028 | return -1; | |
1029 | } | |
1030 | if (!(ie->pairwise_cipher & ssid->pairwise_cipher)) { | |
1031 | wpa_msg(wpa_s, MSG_INFO, "WPA: Driver used disabled pairwise " | |
1032 | "cipher 0x%x (mask 0x%x) - reject", | |
1033 | ie->pairwise_cipher, ssid->pairwise_cipher); | |
1034 | return -1; | |
1035 | } | |
1036 | if (!(ie->key_mgmt & ssid->key_mgmt)) { | |
1037 | wpa_msg(wpa_s, MSG_INFO, "WPA: Driver used disabled key " | |
1038 | "management 0x%x (mask 0x%x) - reject", | |
1039 | ie->key_mgmt, ssid->key_mgmt); | |
1040 | return -1; | |
1041 | } | |
1042 | ||
1043 | #ifdef CONFIG_IEEE80211W | |
0b60b0aa | 1044 | if (!(ie->capabilities & WPA_CAPABILITY_MFPC) && |
3f56a2b7 | 1045 | wpas_get_ssid_pmf(wpa_s, ssid) == MGMT_FRAME_PROTECTION_REQUIRED) { |
6fc6879b JM |
1046 | wpa_msg(wpa_s, MSG_INFO, "WPA: Driver associated with an AP " |
1047 | "that does not support management frame protection - " | |
1048 | "reject"); | |
1049 | return -1; | |
1050 | } | |
1051 | #endif /* CONFIG_IEEE80211W */ | |
1052 | ||
1053 | return 0; | |
1054 | } | |
1055 | ||
1056 | ||
1057 | /** | |
1058 | * wpa_supplicant_set_suites - Set authentication and encryption parameters | |
1059 | * @wpa_s: Pointer to wpa_supplicant data | |
1060 | * @bss: Scan results for the selected BSS, or %NULL if not available | |
1061 | * @ssid: Configuration data for the selected network | |
1062 | * @wpa_ie: Buffer for the WPA/RSN IE | |
1063 | * @wpa_ie_len: Maximum wpa_ie buffer size on input. This is changed to be the | |
1064 | * used buffer length in case the functions returns success. | |
1065 | * Returns: 0 on success or -1 on failure | |
1066 | * | |
1067 | * This function is used to configure authentication and encryption parameters | |
1068 | * based on the network configuration and scan result for the selected BSS (if | |
1069 | * available). | |
1070 | */ | |
1071 | int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s, | |
6fa81a3b | 1072 | struct wpa_bss *bss, struct wpa_ssid *ssid, |
6fc6879b JM |
1073 | u8 *wpa_ie, size_t *wpa_ie_len) |
1074 | { | |
1075 | struct wpa_ie_data ie; | |
1076 | int sel, proto; | |
df0f01d9 | 1077 | const u8 *bss_wpa, *bss_rsn, *bss_osen; |
6fc6879b JM |
1078 | |
1079 | if (bss) { | |
6fa81a3b JM |
1080 | bss_wpa = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE); |
1081 | bss_rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN); | |
df0f01d9 | 1082 | bss_osen = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE); |
6fc6879b | 1083 | } else |
df0f01d9 | 1084 | bss_wpa = bss_rsn = bss_osen = NULL; |
6fc6879b JM |
1085 | |
1086 | if (bss_rsn && (ssid->proto & WPA_PROTO_RSN) && | |
1087 | wpa_parse_wpa_ie(bss_rsn, 2 + bss_rsn[1], &ie) == 0 && | |
1088 | (ie.group_cipher & ssid->group_cipher) && | |
1089 | (ie.pairwise_cipher & ssid->pairwise_cipher) && | |
1090 | (ie.key_mgmt & ssid->key_mgmt)) { | |
f049052b | 1091 | wpa_dbg(wpa_s, MSG_DEBUG, "RSN: using IEEE 802.11i/D9.0"); |
6fc6879b JM |
1092 | proto = WPA_PROTO_RSN; |
1093 | } else if (bss_wpa && (ssid->proto & WPA_PROTO_WPA) && | |
267ac3bc | 1094 | wpa_parse_wpa_ie(bss_wpa, 2 + bss_wpa[1], &ie) == 0 && |
6fc6879b JM |
1095 | (ie.group_cipher & ssid->group_cipher) && |
1096 | (ie.pairwise_cipher & ssid->pairwise_cipher) && | |
1097 | (ie.key_mgmt & ssid->key_mgmt)) { | |
f049052b | 1098 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using IEEE 802.11i/D3.0"); |
6fc6879b | 1099 | proto = WPA_PROTO_WPA; |
df0f01d9 JM |
1100 | #ifdef CONFIG_HS20 |
1101 | } else if (bss_osen && (ssid->proto & WPA_PROTO_OSEN)) { | |
1102 | wpa_dbg(wpa_s, MSG_DEBUG, "HS 2.0: using OSEN"); | |
1103 | /* TODO: parse OSEN element */ | |
137ff332 | 1104 | os_memset(&ie, 0, sizeof(ie)); |
df0f01d9 JM |
1105 | ie.group_cipher = WPA_CIPHER_CCMP; |
1106 | ie.pairwise_cipher = WPA_CIPHER_CCMP; | |
1107 | ie.key_mgmt = WPA_KEY_MGMT_OSEN; | |
1108 | proto = WPA_PROTO_OSEN; | |
1109 | #endif /* CONFIG_HS20 */ | |
6fc6879b JM |
1110 | } else if (bss) { |
1111 | wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to select WPA/RSN"); | |
267ac3bc JM |
1112 | wpa_dbg(wpa_s, MSG_DEBUG, |
1113 | "WPA: ssid proto=0x%x pairwise_cipher=0x%x group_cipher=0x%x key_mgmt=0x%x", | |
1114 | ssid->proto, ssid->pairwise_cipher, ssid->group_cipher, | |
1115 | ssid->key_mgmt); | |
1116 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: BSS " MACSTR " ssid='%s'%s%s%s", | |
1117 | MAC2STR(bss->bssid), | |
1118 | wpa_ssid_txt(bss->ssid, bss->ssid_len), | |
1119 | bss_wpa ? " WPA" : "", | |
1120 | bss_rsn ? " RSN" : "", | |
1121 | bss_osen ? " OSEN" : ""); | |
1122 | if (bss_rsn) { | |
1123 | wpa_hexdump(MSG_DEBUG, "RSN", bss_rsn, 2 + bss_rsn[1]); | |
1124 | if (wpa_parse_wpa_ie(bss_rsn, 2 + bss_rsn[1], &ie)) { | |
1125 | wpa_dbg(wpa_s, MSG_DEBUG, | |
1126 | "Could not parse RSN element"); | |
1127 | } else { | |
1128 | wpa_dbg(wpa_s, MSG_DEBUG, | |
1129 | "RSN: pairwise_cipher=0x%x group_cipher=0x%x key_mgmt=0x%x", | |
1130 | ie.pairwise_cipher, ie.group_cipher, | |
1131 | ie.key_mgmt); | |
1132 | } | |
1133 | } | |
1134 | if (bss_wpa) { | |
1135 | wpa_hexdump(MSG_DEBUG, "WPA", bss_wpa, 2 + bss_wpa[1]); | |
1136 | if (wpa_parse_wpa_ie(bss_wpa, 2 + bss_wpa[1], &ie)) { | |
1137 | wpa_dbg(wpa_s, MSG_DEBUG, | |
1138 | "Could not parse WPA element"); | |
1139 | } else { | |
1140 | wpa_dbg(wpa_s, MSG_DEBUG, | |
1141 | "WPA: pairwise_cipher=0x%x group_cipher=0x%x key_mgmt=0x%x", | |
1142 | ie.pairwise_cipher, ie.group_cipher, | |
1143 | ie.key_mgmt); | |
1144 | } | |
1145 | } | |
6fc6879b JM |
1146 | return -1; |
1147 | } else { | |
df0f01d9 JM |
1148 | if (ssid->proto & WPA_PROTO_OSEN) |
1149 | proto = WPA_PROTO_OSEN; | |
1150 | else if (ssid->proto & WPA_PROTO_RSN) | |
6fc6879b JM |
1151 | proto = WPA_PROTO_RSN; |
1152 | else | |
1153 | proto = WPA_PROTO_WPA; | |
1154 | if (wpa_supplicant_suites_from_ai(wpa_s, ssid, &ie) < 0) { | |
1155 | os_memset(&ie, 0, sizeof(ie)); | |
1156 | ie.group_cipher = ssid->group_cipher; | |
1157 | ie.pairwise_cipher = ssid->pairwise_cipher; | |
1158 | ie.key_mgmt = ssid->key_mgmt; | |
1159 | #ifdef CONFIG_IEEE80211W | |
1160 | ie.mgmt_group_cipher = | |
70f8cc8e | 1161 | ssid->ieee80211w != NO_MGMT_FRAME_PROTECTION ? |
6fc6879b JM |
1162 | WPA_CIPHER_AES_128_CMAC : 0; |
1163 | #endif /* CONFIG_IEEE80211W */ | |
f049052b BG |
1164 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Set cipher suites " |
1165 | "based on configuration"); | |
6fc6879b JM |
1166 | } else |
1167 | proto = ie.proto; | |
1168 | } | |
1169 | ||
f049052b BG |
1170 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Selected cipher suites: group %d " |
1171 | "pairwise %d key_mgmt %d proto %d", | |
1172 | ie.group_cipher, ie.pairwise_cipher, ie.key_mgmt, proto); | |
6fc6879b JM |
1173 | #ifdef CONFIG_IEEE80211W |
1174 | if (ssid->ieee80211w) { | |
f049052b BG |
1175 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Selected mgmt group cipher %d", |
1176 | ie.mgmt_group_cipher); | |
6fc6879b JM |
1177 | } |
1178 | #endif /* CONFIG_IEEE80211W */ | |
1179 | ||
64fa840a | 1180 | wpa_s->wpa_proto = proto; |
6fc6879b JM |
1181 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_PROTO, proto); |
1182 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_RSN_ENABLED, | |
df0f01d9 | 1183 | !!(ssid->proto & (WPA_PROTO_RSN | WPA_PROTO_OSEN))); |
6fc6879b JM |
1184 | |
1185 | if (bss || !wpa_s->ap_ies_from_associnfo) { | |
1186 | if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, bss_wpa, | |
1187 | bss_wpa ? 2 + bss_wpa[1] : 0) || | |
1188 | wpa_sm_set_ap_rsn_ie(wpa_s->wpa, bss_rsn, | |
1189 | bss_rsn ? 2 + bss_rsn[1] : 0)) | |
1190 | return -1; | |
1191 | } | |
1192 | ||
9e68742e JM |
1193 | #ifdef CONFIG_NO_WPA |
1194 | wpa_s->group_cipher = WPA_CIPHER_NONE; | |
1195 | wpa_s->pairwise_cipher = WPA_CIPHER_NONE; | |
1196 | #else /* CONFIG_NO_WPA */ | |
6fc6879b | 1197 | sel = ie.group_cipher & ssid->group_cipher; |
edbd2a19 JM |
1198 | wpa_s->group_cipher = wpa_pick_group_cipher(sel); |
1199 | if (wpa_s->group_cipher < 0) { | |
f049052b BG |
1200 | wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to select group " |
1201 | "cipher"); | |
6fc6879b JM |
1202 | return -1; |
1203 | } | |
edbd2a19 JM |
1204 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using GTK %s", |
1205 | wpa_cipher_txt(wpa_s->group_cipher)); | |
6fc6879b JM |
1206 | |
1207 | sel = ie.pairwise_cipher & ssid->pairwise_cipher; | |
edbd2a19 JM |
1208 | wpa_s->pairwise_cipher = wpa_pick_pairwise_cipher(sel, 1); |
1209 | if (wpa_s->pairwise_cipher < 0) { | |
f049052b BG |
1210 | wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to select pairwise " |
1211 | "cipher"); | |
6fc6879b JM |
1212 | return -1; |
1213 | } | |
edbd2a19 JM |
1214 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using PTK %s", |
1215 | wpa_cipher_txt(wpa_s->pairwise_cipher)); | |
9e68742e | 1216 | #endif /* CONFIG_NO_WPA */ |
6fc6879b JM |
1217 | |
1218 | sel = ie.key_mgmt & ssid->key_mgmt; | |
c10347f2 JM |
1219 | #ifdef CONFIG_SAE |
1220 | if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SAE)) | |
1221 | sel &= ~(WPA_KEY_MGMT_SAE | WPA_KEY_MGMT_FT_SAE); | |
1222 | #endif /* CONFIG_SAE */ | |
6fc6879b | 1223 | if (0) { |
5e3b5197 JM |
1224 | #ifdef CONFIG_SUITEB192 |
1225 | } else if (sel & WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) { | |
1226 | wpa_s->key_mgmt = WPA_KEY_MGMT_IEEE8021X_SUITE_B_192; | |
1227 | wpa_dbg(wpa_s, MSG_DEBUG, | |
1228 | "WPA: using KEY_MGMT 802.1X with Suite B (192-bit)"); | |
1229 | #endif /* CONFIG_SUITEB192 */ | |
1230 | #ifdef CONFIG_SUITEB | |
666497c8 JM |
1231 | } else if (sel & WPA_KEY_MGMT_IEEE8021X_SUITE_B) { |
1232 | wpa_s->key_mgmt = WPA_KEY_MGMT_IEEE8021X_SUITE_B; | |
1233 | wpa_dbg(wpa_s, MSG_DEBUG, | |
1234 | "WPA: using KEY_MGMT 802.1X with Suite B"); | |
5e3b5197 | 1235 | #endif /* CONFIG_SUITEB */ |
b8ae56e4 JM |
1236 | #ifdef CONFIG_FILS |
1237 | #ifdef CONFIG_IEEE80211R | |
1238 | } else if (sel & WPA_KEY_MGMT_FT_FILS_SHA384) { | |
1239 | wpa_s->key_mgmt = WPA_KEY_MGMT_FT_FILS_SHA384; | |
1240 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT FT-FILS-SHA384"); | |
1241 | } else if (sel & WPA_KEY_MGMT_FT_FILS_SHA256) { | |
1242 | wpa_s->key_mgmt = WPA_KEY_MGMT_FT_FILS_SHA256; | |
1243 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT FT-FILS-SHA256"); | |
1244 | #endif /* CONFIG_IEEE80211R */ | |
1245 | } else if (sel & WPA_KEY_MGMT_FILS_SHA384) { | |
1246 | wpa_s->key_mgmt = WPA_KEY_MGMT_FILS_SHA384; | |
1247 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT FILS-SHA384"); | |
1248 | } else if (sel & WPA_KEY_MGMT_FILS_SHA256) { | |
1249 | wpa_s->key_mgmt = WPA_KEY_MGMT_FILS_SHA256; | |
1250 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT FILS-SHA256"); | |
1251 | #endif /* CONFIG_FILS */ | |
6fc6879b JM |
1252 | #ifdef CONFIG_IEEE80211R |
1253 | } else if (sel & WPA_KEY_MGMT_FT_IEEE8021X) { | |
1254 | wpa_s->key_mgmt = WPA_KEY_MGMT_FT_IEEE8021X; | |
f049052b | 1255 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT FT/802.1X"); |
6fc6879b JM |
1256 | } else if (sel & WPA_KEY_MGMT_FT_PSK) { |
1257 | wpa_s->key_mgmt = WPA_KEY_MGMT_FT_PSK; | |
f049052b | 1258 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT FT/PSK"); |
6fc6879b | 1259 | #endif /* CONFIG_IEEE80211R */ |
c10347f2 JM |
1260 | #ifdef CONFIG_SAE |
1261 | } else if (sel & WPA_KEY_MGMT_SAE) { | |
1262 | wpa_s->key_mgmt = WPA_KEY_MGMT_SAE; | |
1263 | wpa_dbg(wpa_s, MSG_DEBUG, "RSN: using KEY_MGMT SAE"); | |
1264 | } else if (sel & WPA_KEY_MGMT_FT_SAE) { | |
1265 | wpa_s->key_mgmt = WPA_KEY_MGMT_FT_SAE; | |
1266 | wpa_dbg(wpa_s, MSG_DEBUG, "RSN: using KEY_MGMT FT/SAE"); | |
1267 | #endif /* CONFIG_SAE */ | |
56586197 JM |
1268 | #ifdef CONFIG_IEEE80211W |
1269 | } else if (sel & WPA_KEY_MGMT_IEEE8021X_SHA256) { | |
1270 | wpa_s->key_mgmt = WPA_KEY_MGMT_IEEE8021X_SHA256; | |
f049052b | 1271 | wpa_dbg(wpa_s, MSG_DEBUG, |
56586197 JM |
1272 | "WPA: using KEY_MGMT 802.1X with SHA256"); |
1273 | } else if (sel & WPA_KEY_MGMT_PSK_SHA256) { | |
1274 | wpa_s->key_mgmt = WPA_KEY_MGMT_PSK_SHA256; | |
f049052b | 1275 | wpa_dbg(wpa_s, MSG_DEBUG, |
56586197 JM |
1276 | "WPA: using KEY_MGMT PSK with SHA256"); |
1277 | #endif /* CONFIG_IEEE80211W */ | |
6fc6879b JM |
1278 | } else if (sel & WPA_KEY_MGMT_IEEE8021X) { |
1279 | wpa_s->key_mgmt = WPA_KEY_MGMT_IEEE8021X; | |
f049052b | 1280 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT 802.1X"); |
6fc6879b JM |
1281 | } else if (sel & WPA_KEY_MGMT_PSK) { |
1282 | wpa_s->key_mgmt = WPA_KEY_MGMT_PSK; | |
f049052b | 1283 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT WPA-PSK"); |
6fc6879b JM |
1284 | } else if (sel & WPA_KEY_MGMT_WPA_NONE) { |
1285 | wpa_s->key_mgmt = WPA_KEY_MGMT_WPA_NONE; | |
f049052b | 1286 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT WPA-NONE"); |
df0f01d9 JM |
1287 | #ifdef CONFIG_HS20 |
1288 | } else if (sel & WPA_KEY_MGMT_OSEN) { | |
1289 | wpa_s->key_mgmt = WPA_KEY_MGMT_OSEN; | |
1290 | wpa_dbg(wpa_s, MSG_DEBUG, "HS 2.0: using KEY_MGMT OSEN"); | |
1291 | #endif /* CONFIG_HS20 */ | |
6fc6879b | 1292 | } else { |
f049052b BG |
1293 | wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to select " |
1294 | "authenticated key management type"); | |
6fc6879b JM |
1295 | return -1; |
1296 | } | |
1297 | ||
1298 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_KEY_MGMT, wpa_s->key_mgmt); | |
1299 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_PAIRWISE, | |
1300 | wpa_s->pairwise_cipher); | |
1301 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_GROUP, wpa_s->group_cipher); | |
1302 | ||
1303 | #ifdef CONFIG_IEEE80211W | |
1304 | sel = ie.mgmt_group_cipher; | |
3f56a2b7 | 1305 | if (wpas_get_ssid_pmf(wpa_s, ssid) == NO_MGMT_FRAME_PROTECTION || |
0b60b0aa | 1306 | !(ie.capabilities & WPA_CAPABILITY_MFPC)) |
6fc6879b JM |
1307 | sel = 0; |
1308 | if (sel & WPA_CIPHER_AES_128_CMAC) { | |
1309 | wpa_s->mgmt_group_cipher = WPA_CIPHER_AES_128_CMAC; | |
f049052b | 1310 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using MGMT group cipher " |
6fc6879b | 1311 | "AES-128-CMAC"); |
8dd9f9cd JM |
1312 | } else if (sel & WPA_CIPHER_BIP_GMAC_128) { |
1313 | wpa_s->mgmt_group_cipher = WPA_CIPHER_BIP_GMAC_128; | |
1314 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using MGMT group cipher " | |
1315 | "BIP-GMAC-128"); | |
1316 | } else if (sel & WPA_CIPHER_BIP_GMAC_256) { | |
1317 | wpa_s->mgmt_group_cipher = WPA_CIPHER_BIP_GMAC_256; | |
1318 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using MGMT group cipher " | |
1319 | "BIP-GMAC-256"); | |
1320 | } else if (sel & WPA_CIPHER_BIP_CMAC_256) { | |
1321 | wpa_s->mgmt_group_cipher = WPA_CIPHER_BIP_CMAC_256; | |
1322 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using MGMT group cipher " | |
1323 | "BIP-CMAC-256"); | |
6fc6879b JM |
1324 | } else { |
1325 | wpa_s->mgmt_group_cipher = 0; | |
f049052b | 1326 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: not using MGMT group cipher"); |
6fc6879b JM |
1327 | } |
1328 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_MGMT_GROUP, | |
1329 | wpa_s->mgmt_group_cipher); | |
62d49803 | 1330 | wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_MFP, |
3f56a2b7 | 1331 | wpas_get_ssid_pmf(wpa_s, ssid)); |
6fc6879b JM |
1332 | #endif /* CONFIG_IEEE80211W */ |
1333 | ||
1334 | if (wpa_sm_set_assoc_wpa_ie_default(wpa_s->wpa, wpa_ie, wpa_ie_len)) { | |
f049052b | 1335 | wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to generate WPA IE"); |
6fc6879b JM |
1336 | return -1; |
1337 | } | |
1338 | ||
0bf927a0 | 1339 | if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt)) { |
a52410c2 JM |
1340 | int psk_set = 0; |
1341 | ||
1342 | if (ssid->psk_set) { | |
70c93963 MH |
1343 | wpa_sm_set_pmk(wpa_s->wpa, ssid->psk, PMK_LEN, NULL, |
1344 | NULL); | |
a52410c2 JM |
1345 | psk_set = 1; |
1346 | } | |
7d232e23 ZC |
1347 | #ifndef CONFIG_NO_PBKDF2 |
1348 | if (bss && ssid->bssid_set && ssid->ssid_len == 0 && | |
1349 | ssid->passphrase) { | |
1350 | u8 psk[PMK_LEN]; | |
986de33d JM |
1351 | pbkdf2_sha1(ssid->passphrase, bss->ssid, bss->ssid_len, |
1352 | 4096, psk, PMK_LEN); | |
7d232e23 ZC |
1353 | wpa_hexdump_key(MSG_MSGDUMP, "PSK (from passphrase)", |
1354 | psk, PMK_LEN); | |
70c93963 | 1355 | wpa_sm_set_pmk(wpa_s->wpa, psk, PMK_LEN, NULL, NULL); |
a52410c2 | 1356 | psk_set = 1; |
e886c88e | 1357 | os_memset(psk, 0, sizeof(psk)); |
7d232e23 ZC |
1358 | } |
1359 | #endif /* CONFIG_NO_PBKDF2 */ | |
9173b16f JM |
1360 | #ifdef CONFIG_EXT_PASSWORD |
1361 | if (ssid->ext_psk) { | |
1362 | struct wpabuf *pw = ext_password_get(wpa_s->ext_pw, | |
1363 | ssid->ext_psk); | |
1364 | char pw_str[64 + 1]; | |
1365 | u8 psk[PMK_LEN]; | |
1366 | ||
1367 | if (pw == NULL) { | |
1368 | wpa_msg(wpa_s, MSG_INFO, "EXT PW: No PSK " | |
1369 | "found from external storage"); | |
1370 | return -1; | |
1371 | } | |
1372 | ||
1373 | if (wpabuf_len(pw) < 8 || wpabuf_len(pw) > 64) { | |
1374 | wpa_msg(wpa_s, MSG_INFO, "EXT PW: Unexpected " | |
1375 | "PSK length %d in external storage", | |
1376 | (int) wpabuf_len(pw)); | |
1377 | ext_password_free(pw); | |
1378 | return -1; | |
1379 | } | |
1380 | ||
1381 | os_memcpy(pw_str, wpabuf_head(pw), wpabuf_len(pw)); | |
1382 | pw_str[wpabuf_len(pw)] = '\0'; | |
1383 | ||
1384 | #ifndef CONFIG_NO_PBKDF2 | |
1385 | if (wpabuf_len(pw) >= 8 && wpabuf_len(pw) < 64 && bss) | |
1386 | { | |
986de33d JM |
1387 | pbkdf2_sha1(pw_str, bss->ssid, bss->ssid_len, |
1388 | 4096, psk, PMK_LEN); | |
9173b16f JM |
1389 | os_memset(pw_str, 0, sizeof(pw_str)); |
1390 | wpa_hexdump_key(MSG_MSGDUMP, "PSK (from " | |
1391 | "external passphrase)", | |
1392 | psk, PMK_LEN); | |
70c93963 MH |
1393 | wpa_sm_set_pmk(wpa_s->wpa, psk, PMK_LEN, NULL, |
1394 | NULL); | |
a52410c2 | 1395 | psk_set = 1; |
e886c88e | 1396 | os_memset(psk, 0, sizeof(psk)); |
9173b16f JM |
1397 | } else |
1398 | #endif /* CONFIG_NO_PBKDF2 */ | |
1399 | if (wpabuf_len(pw) == 2 * PMK_LEN) { | |
1400 | if (hexstr2bin(pw_str, psk, PMK_LEN) < 0) { | |
1401 | wpa_msg(wpa_s, MSG_INFO, "EXT PW: " | |
1402 | "Invalid PSK hex string"); | |
1403 | os_memset(pw_str, 0, sizeof(pw_str)); | |
1404 | ext_password_free(pw); | |
1405 | return -1; | |
1406 | } | |
70c93963 MH |
1407 | wpa_sm_set_pmk(wpa_s->wpa, psk, PMK_LEN, NULL, |
1408 | NULL); | |
a52410c2 | 1409 | psk_set = 1; |
e886c88e | 1410 | os_memset(psk, 0, sizeof(psk)); |
9173b16f JM |
1411 | } else { |
1412 | wpa_msg(wpa_s, MSG_INFO, "EXT PW: No suitable " | |
1413 | "PSK available"); | |
1414 | os_memset(pw_str, 0, sizeof(pw_str)); | |
1415 | ext_password_free(pw); | |
1416 | return -1; | |
1417 | } | |
1418 | ||
1419 | os_memset(pw_str, 0, sizeof(pw_str)); | |
1420 | ext_password_free(pw); | |
1421 | } | |
1422 | #endif /* CONFIG_EXT_PASSWORD */ | |
a52410c2 JM |
1423 | |
1424 | if (!psk_set) { | |
1425 | wpa_msg(wpa_s, MSG_INFO, | |
1426 | "No PSK available for association"); | |
1427 | return -1; | |
1428 | } | |
7d232e23 | 1429 | } else |
6fc6879b JM |
1430 | wpa_sm_set_pmk_from_pmksa(wpa_s->wpa); |
1431 | ||
1432 | return 0; | |
1433 | } | |
1434 | ||
1435 | ||
8cd6b7bc | 1436 | static void wpas_ext_capab_byte(struct wpa_supplicant *wpa_s, u8 *pos, int idx) |
03e47c9c | 1437 | { |
8cd6b7bc | 1438 | *pos = 0x00; |
03e47c9c | 1439 | |
8cd6b7bc JB |
1440 | switch (idx) { |
1441 | case 0: /* Bits 0-7 */ | |
1442 | break; | |
1443 | case 1: /* Bits 8-15 */ | |
1444 | break; | |
1445 | case 2: /* Bits 16-23 */ | |
1446 | #ifdef CONFIG_WNM | |
1447 | *pos |= 0x02; /* Bit 17 - WNM-Sleep Mode */ | |
1448 | *pos |= 0x08; /* Bit 19 - BSS Transition */ | |
1449 | #endif /* CONFIG_WNM */ | |
1450 | break; | |
1451 | case 3: /* Bits 24-31 */ | |
1452 | #ifdef CONFIG_WNM | |
1453 | *pos |= 0x02; /* Bit 25 - SSID List */ | |
1454 | #endif /* CONFIG_WNM */ | |
03e47c9c | 1455 | #ifdef CONFIG_INTERWORKING |
8cd6b7bc JB |
1456 | if (wpa_s->conf->interworking) |
1457 | *pos |= 0x80; /* Bit 31 - Interworking */ | |
03e47c9c | 1458 | #endif /* CONFIG_INTERWORKING */ |
8cd6b7bc JB |
1459 | break; |
1460 | case 4: /* Bits 32-39 */ | |
56f5af48 | 1461 | #ifdef CONFIG_INTERWORKING |
429dd9af JM |
1462 | if (wpa_s->drv_flags / WPA_DRIVER_FLAGS_QOS_MAPPING) |
1463 | *pos |= 0x01; /* Bit 32 - QoS Map */ | |
56f5af48 | 1464 | #endif /* CONFIG_INTERWORKING */ |
8cd6b7bc JB |
1465 | break; |
1466 | case 5: /* Bits 40-47 */ | |
95a3ea94 JM |
1467 | #ifdef CONFIG_HS20 |
1468 | if (wpa_s->conf->hs20) | |
1469 | *pos |= 0x40; /* Bit 46 - WNM-Notification */ | |
1470 | #endif /* CONFIG_HS20 */ | |
92c6e2e3 DS |
1471 | #ifdef CONFIG_MBO |
1472 | *pos |= 0x40; /* Bit 46 - WNM-Notification */ | |
1473 | #endif /* CONFIG_MBO */ | |
8cd6b7bc JB |
1474 | break; |
1475 | case 6: /* Bits 48-55 */ | |
1476 | break; | |
d1723c55 LD |
1477 | case 7: /* Bits 56-63 */ |
1478 | break; | |
1479 | case 8: /* Bits 64-71 */ | |
1480 | if (wpa_s->conf->ftm_responder) | |
1481 | *pos |= 0x40; /* Bit 70 - FTM responder */ | |
1482 | if (wpa_s->conf->ftm_initiator) | |
1483 | *pos |= 0x80; /* Bit 71 - FTM initiator */ | |
1484 | break; | |
e4d2ce1b JM |
1485 | case 9: /* Bits 72-79 */ |
1486 | #ifdef CONFIG_FILS | |
1487 | *pos |= 0x01; | |
1488 | #endif /* CONFIG_FILS */ | |
1489 | break; | |
8cd6b7bc JB |
1490 | } |
1491 | } | |
03e47c9c | 1492 | |
03e47c9c | 1493 | |
0bbaa9b9 | 1494 | int wpas_build_ext_capab(struct wpa_supplicant *wpa_s, u8 *buf, size_t buflen) |
8cd6b7bc JB |
1495 | { |
1496 | u8 *pos = buf; | |
e4d2ce1b | 1497 | u8 len = 10, i; |
8cd6b7bc JB |
1498 | |
1499 | if (len < wpa_s->extended_capa_len) | |
1500 | len = wpa_s->extended_capa_len; | |
0bbaa9b9 JM |
1501 | if (buflen < (size_t) len + 2) { |
1502 | wpa_printf(MSG_INFO, | |
1503 | "Not enough room for building extended capabilities element"); | |
1504 | return -1; | |
1505 | } | |
03e47c9c JM |
1506 | |
1507 | *pos++ = WLAN_EID_EXT_CAPAB; | |
8cd6b7bc JB |
1508 | *pos++ = len; |
1509 | for (i = 0; i < len; i++, pos++) { | |
1510 | wpas_ext_capab_byte(wpa_s, pos, i); | |
1511 | ||
1512 | if (i < wpa_s->extended_capa_len) { | |
1513 | *pos &= ~wpa_s->extended_capa_mask[i]; | |
1514 | *pos |= wpa_s->extended_capa[i]; | |
1515 | } | |
1516 | } | |
03e47c9c | 1517 | |
3db5439a JM |
1518 | while (len > 0 && buf[1 + len] == 0) { |
1519 | len--; | |
1520 | buf[1] = len; | |
1521 | } | |
1522 | if (len == 0) | |
1523 | return 0; | |
1524 | ||
1525 | return 2 + len; | |
03e47c9c JM |
1526 | } |
1527 | ||
1528 | ||
6ac4b15e JM |
1529 | static int wpas_valid_bss(struct wpa_supplicant *wpa_s, |
1530 | struct wpa_bss *test_bss) | |
1531 | { | |
1532 | struct wpa_bss *bss; | |
1533 | ||
1534 | dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { | |
1535 | if (bss == test_bss) | |
1536 | return 1; | |
1537 | } | |
1538 | ||
1539 | return 0; | |
1540 | } | |
1541 | ||
1542 | ||
1543 | static int wpas_valid_ssid(struct wpa_supplicant *wpa_s, | |
1544 | struct wpa_ssid *test_ssid) | |
1545 | { | |
1546 | struct wpa_ssid *ssid; | |
1547 | ||
1548 | for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { | |
1549 | if (ssid == test_ssid) | |
1550 | return 1; | |
1551 | } | |
1552 | ||
1553 | return 0; | |
1554 | } | |
1555 | ||
1556 | ||
1557 | int wpas_valid_bss_ssid(struct wpa_supplicant *wpa_s, struct wpa_bss *test_bss, | |
1558 | struct wpa_ssid *test_ssid) | |
1559 | { | |
1560 | if (test_bss && !wpas_valid_bss(wpa_s, test_bss)) | |
1561 | return 0; | |
1562 | ||
1563 | return test_ssid == NULL || wpas_valid_ssid(wpa_s, test_ssid); | |
1564 | } | |
1565 | ||
1566 | ||
1567 | void wpas_connect_work_free(struct wpa_connect_work *cwork) | |
1568 | { | |
1569 | if (cwork == NULL) | |
1570 | return; | |
1571 | os_free(cwork); | |
1572 | } | |
1573 | ||
1574 | ||
1575 | void wpas_connect_work_done(struct wpa_supplicant *wpa_s) | |
1576 | { | |
1577 | struct wpa_connect_work *cwork; | |
1578 | struct wpa_radio_work *work = wpa_s->connect_work; | |
1579 | ||
1580 | if (!work) | |
1581 | return; | |
1582 | ||
1583 | wpa_s->connect_work = NULL; | |
1584 | cwork = work->ctx; | |
1585 | work->ctx = NULL; | |
1586 | wpas_connect_work_free(cwork); | |
1587 | radio_work_done(work); | |
1588 | } | |
1589 | ||
1590 | ||
a313d17d | 1591 | int wpas_update_random_addr(struct wpa_supplicant *wpa_s, int style) |
c267753b JM |
1592 | { |
1593 | struct os_reltime now; | |
1594 | u8 addr[ETH_ALEN]; | |
1595 | ||
1596 | os_get_reltime(&now); | |
a313d17d JM |
1597 | if (wpa_s->last_mac_addr_style == style && |
1598 | wpa_s->last_mac_addr_change.sec != 0 && | |
c267753b JM |
1599 | !os_reltime_expired(&now, &wpa_s->last_mac_addr_change, |
1600 | wpa_s->conf->rand_addr_lifetime)) { | |
1601 | wpa_msg(wpa_s, MSG_DEBUG, | |
1602 | "Previously selected random MAC address has not yet expired"); | |
1603 | return 0; | |
1604 | } | |
1605 | ||
a313d17d JM |
1606 | switch (style) { |
1607 | case 1: | |
1608 | if (random_mac_addr(addr) < 0) | |
1609 | return -1; | |
1610 | break; | |
1611 | case 2: | |
1612 | os_memcpy(addr, wpa_s->perm_addr, ETH_ALEN); | |
1613 | if (random_mac_addr_keep_oui(addr) < 0) | |
1614 | return -1; | |
1615 | break; | |
1616 | default: | |
c267753b | 1617 | return -1; |
a313d17d | 1618 | } |
c267753b JM |
1619 | |
1620 | if (wpa_drv_set_mac_addr(wpa_s, addr) < 0) { | |
1621 | wpa_msg(wpa_s, MSG_INFO, | |
1622 | "Failed to set random MAC address"); | |
1623 | return -1; | |
1624 | } | |
1625 | ||
1626 | os_get_reltime(&wpa_s->last_mac_addr_change); | |
1627 | wpa_s->mac_addr_changed = 1; | |
a313d17d | 1628 | wpa_s->last_mac_addr_style = style; |
c267753b JM |
1629 | |
1630 | if (wpa_supplicant_update_mac_addr(wpa_s) < 0) { | |
1631 | wpa_msg(wpa_s, MSG_INFO, | |
1632 | "Could not update MAC address information"); | |
1633 | return -1; | |
1634 | } | |
1635 | ||
1636 | wpa_msg(wpa_s, MSG_DEBUG, "Using random MAC address " MACSTR, | |
1637 | MAC2STR(addr)); | |
1638 | ||
1639 | return 0; | |
1640 | } | |
1641 | ||
1642 | ||
1643 | int wpas_update_random_addr_disassoc(struct wpa_supplicant *wpa_s) | |
1644 | { | |
1645 | if (wpa_s->wpa_state >= WPA_AUTHENTICATING || | |
1646 | !wpa_s->conf->preassoc_mac_addr) | |
1647 | return 0; | |
1648 | ||
a313d17d | 1649 | return wpas_update_random_addr(wpa_s, wpa_s->conf->preassoc_mac_addr); |
c267753b JM |
1650 | } |
1651 | ||
1652 | ||
6ac4b15e JM |
1653 | static void wpas_start_assoc_cb(struct wpa_radio_work *work, int deinit); |
1654 | ||
6fc6879b JM |
1655 | /** |
1656 | * wpa_supplicant_associate - Request association | |
1657 | * @wpa_s: Pointer to wpa_supplicant data | |
1658 | * @bss: Scan results for the selected BSS, or %NULL if not available | |
1659 | * @ssid: Configuration data for the selected network | |
1660 | * | |
1661 | * This function is used to request %wpa_supplicant to associate with a BSS. | |
1662 | */ | |
1663 | void wpa_supplicant_associate(struct wpa_supplicant *wpa_s, | |
6fa81a3b | 1664 | struct wpa_bss *bss, struct wpa_ssid *ssid) |
6fc6879b | 1665 | { |
6ac4b15e | 1666 | struct wpa_connect_work *cwork; |
a313d17d JM |
1667 | int rand_style; |
1668 | ||
a8412ec9 JM |
1669 | wpa_s->own_disconnect_req = 0; |
1670 | ||
e7160bd8 JM |
1671 | /* |
1672 | * If we are starting a new connection, any previously pending EAPOL | |
1673 | * RX cannot be valid anymore. | |
1674 | */ | |
1675 | wpabuf_free(wpa_s->pending_eapol_rx); | |
1676 | wpa_s->pending_eapol_rx = NULL; | |
1677 | ||
a313d17d JM |
1678 | if (ssid->mac_addr == -1) |
1679 | rand_style = wpa_s->conf->mac_addr; | |
1680 | else | |
1681 | rand_style = ssid->mac_addr; | |
6fc6879b | 1682 | |
8c42b369 EP |
1683 | wmm_ac_clear_saved_tspecs(wpa_s); |
1684 | wpa_s->reassoc_same_bss = 0; | |
6a5ee810 | 1685 | wpa_s->reassoc_same_ess = 0; |
8c42b369 | 1686 | |
c267753b JM |
1687 | if (wpa_s->last_ssid == ssid) { |
1688 | wpa_dbg(wpa_s, MSG_DEBUG, "Re-association to the same ESS"); | |
6a5ee810 | 1689 | wpa_s->reassoc_same_ess = 1; |
8c42b369 EP |
1690 | if (wpa_s->current_bss && wpa_s->current_bss == bss) { |
1691 | wmm_ac_save_tspecs(wpa_s); | |
1692 | wpa_s->reassoc_same_bss = 1; | |
1693 | } | |
5d30f927 BR |
1694 | } |
1695 | ||
1696 | if (rand_style > 0 && !wpa_s->reassoc_same_ess) { | |
a313d17d | 1697 | if (wpas_update_random_addr(wpa_s, rand_style) < 0) |
c267753b JM |
1698 | return; |
1699 | wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid); | |
5d30f927 | 1700 | } else if (rand_style == 0 && wpa_s->mac_addr_changed) { |
c267753b JM |
1701 | if (wpa_drv_set_mac_addr(wpa_s, NULL) < 0) { |
1702 | wpa_msg(wpa_s, MSG_INFO, | |
1703 | "Could not restore permanent MAC address"); | |
1704 | return; | |
1705 | } | |
1706 | wpa_s->mac_addr_changed = 0; | |
1707 | if (wpa_supplicant_update_mac_addr(wpa_s) < 0) { | |
1708 | wpa_msg(wpa_s, MSG_INFO, | |
1709 | "Could not update MAC address information"); | |
1710 | return; | |
1711 | } | |
1712 | wpa_msg(wpa_s, MSG_DEBUG, "Using permanent MAC address"); | |
1713 | } | |
1714 | wpa_s->last_ssid = ssid; | |
1715 | ||
78177a00 JM |
1716 | #ifdef CONFIG_IBSS_RSN |
1717 | ibss_rsn_deinit(wpa_s->ibss_rsn); | |
1718 | wpa_s->ibss_rsn = NULL; | |
1719 | #endif /* CONFIG_IBSS_RSN */ | |
1720 | ||
2c5d725c JM |
1721 | if (ssid->mode == WPAS_MODE_AP || ssid->mode == WPAS_MODE_P2P_GO || |
1722 | ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) { | |
1581b38b JM |
1723 | #ifdef CONFIG_AP |
1724 | if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP)) { | |
f049052b BG |
1725 | wpa_msg(wpa_s, MSG_INFO, "Driver does not support AP " |
1726 | "mode"); | |
1581b38b JM |
1727 | return; |
1728 | } | |
8c981d17 DW |
1729 | if (wpa_supplicant_create_ap(wpa_s, ssid) < 0) { |
1730 | wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); | |
b2b688d1 VKE |
1731 | if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) |
1732 | wpas_p2p_ap_setup_failed(wpa_s); | |
8c981d17 DW |
1733 | return; |
1734 | } | |
8f770587 | 1735 | wpa_s->current_bss = bss; |
1581b38b | 1736 | #else /* CONFIG_AP */ |
f049052b BG |
1737 | wpa_msg(wpa_s, MSG_ERROR, "AP mode support not included in " |
1738 | "the build"); | |
1581b38b JM |
1739 | #endif /* CONFIG_AP */ |
1740 | return; | |
1741 | } | |
1742 | ||
603a3f34 JL |
1743 | if (ssid->mode == WPAS_MODE_MESH) { |
1744 | #ifdef CONFIG_MESH | |
1745 | if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_MESH)) { | |
1746 | wpa_msg(wpa_s, MSG_INFO, | |
1747 | "Driver does not support mesh mode"); | |
1748 | return; | |
1749 | } | |
1750 | if (bss) | |
1751 | ssid->frequency = bss->freq; | |
1752 | if (wpa_supplicant_join_mesh(wpa_s, ssid) < 0) { | |
1753 | wpa_msg(wpa_s, MSG_ERROR, "Could not join mesh"); | |
1754 | return; | |
1755 | } | |
1756 | wpa_s->current_bss = bss; | |
6174de66 JM |
1757 | wpa_msg(wpa_s, MSG_INFO, MESH_GROUP_STARTED "ssid=\"%s\" id=%d", |
1758 | wpa_ssid_txt(ssid->ssid, ssid->ssid_len), | |
1759 | ssid->id); | |
603a3f34 JL |
1760 | #else /* CONFIG_MESH */ |
1761 | wpa_msg(wpa_s, MSG_ERROR, | |
1762 | "mesh mode support not included in the build"); | |
1763 | #endif /* CONFIG_MESH */ | |
1764 | return; | |
1765 | } | |
1766 | ||
52c9e6f3 | 1767 | #ifdef CONFIG_TDLS |
95cb2d88 JM |
1768 | if (bss) |
1769 | wpa_tdls_ap_ies(wpa_s->wpa, (const u8 *) (bss + 1), | |
1770 | bss->ie_len); | |
52c9e6f3 JM |
1771 | #endif /* CONFIG_TDLS */ |
1772 | ||
5cc4d64b JM |
1773 | if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) && |
1774 | ssid->mode == IEEE80211_MODE_INFRA) { | |
c2a04078 JM |
1775 | sme_authenticate(wpa_s, bss, ssid); |
1776 | return; | |
1777 | } | |
1778 | ||
6ac4b15e JM |
1779 | if (wpa_s->connect_work) { |
1780 | wpa_dbg(wpa_s, MSG_DEBUG, "Reject wpa_supplicant_associate() call since connect_work exist"); | |
1781 | return; | |
1782 | } | |
1783 | ||
f0e30c84 JM |
1784 | if (radio_work_pending(wpa_s, "connect")) { |
1785 | wpa_dbg(wpa_s, MSG_DEBUG, "Reject wpa_supplicant_associate() call since pending work exist"); | |
1786 | return; | |
1787 | } | |
1788 | ||
4ead7cfd KV |
1789 | wpas_abort_ongoing_scan(wpa_s); |
1790 | ||
6ac4b15e JM |
1791 | cwork = os_zalloc(sizeof(*cwork)); |
1792 | if (cwork == NULL) | |
1793 | return; | |
1794 | ||
1795 | cwork->bss = bss; | |
1796 | cwork->ssid = ssid; | |
1797 | ||
1798 | if (radio_add_work(wpa_s, bss ? bss->freq : 0, "connect", 1, | |
1799 | wpas_start_assoc_cb, cwork) < 0) { | |
1800 | os_free(cwork); | |
1801 | } | |
1802 | } | |
1803 | ||
1804 | ||
98479dc9 JD |
1805 | static int bss_is_ibss(struct wpa_bss *bss) |
1806 | { | |
1807 | return (bss->caps & (IEEE80211_CAP_ESS | IEEE80211_CAP_IBSS)) == | |
1808 | IEEE80211_CAP_IBSS; | |
1809 | } | |
1810 | ||
1811 | ||
a65efbfb PO |
1812 | static int drv_supports_vht(struct wpa_supplicant *wpa_s, |
1813 | const struct wpa_ssid *ssid) | |
1814 | { | |
1815 | enum hostapd_hw_mode hw_mode; | |
1816 | struct hostapd_hw_modes *mode = NULL; | |
1817 | u8 channel; | |
1818 | int i; | |
1819 | ||
1820 | #ifdef CONFIG_HT_OVERRIDES | |
1821 | if (ssid->disable_ht) | |
1822 | return 0; | |
1823 | #endif /* CONFIG_HT_OVERRIDES */ | |
1824 | ||
1825 | hw_mode = ieee80211_freq_to_chan(ssid->frequency, &channel); | |
1826 | if (hw_mode == NUM_HOSTAPD_MODES) | |
1827 | return 0; | |
1828 | for (i = 0; wpa_s->hw.modes && i < wpa_s->hw.num_modes; i++) { | |
1829 | if (wpa_s->hw.modes[i].mode == hw_mode) { | |
1830 | mode = &wpa_s->hw.modes[i]; | |
1831 | break; | |
1832 | } | |
1833 | } | |
1834 | ||
1835 | if (!mode) | |
1836 | return 0; | |
1837 | ||
1838 | return mode->vht_capab != 0; | |
1839 | } | |
1840 | ||
1841 | ||
54fe48b9 JM |
1842 | void ibss_mesh_setup_freq(struct wpa_supplicant *wpa_s, |
1843 | const struct wpa_ssid *ssid, | |
1844 | struct hostapd_freq_params *freq) | |
1830817e JD |
1845 | { |
1846 | enum hostapd_hw_mode hw_mode; | |
1847 | struct hostapd_hw_modes *mode = NULL; | |
6b8b0774 JD |
1848 | int ht40plus[] = { 36, 44, 52, 60, 100, 108, 116, 124, 132, 149, 157, |
1849 | 184, 192 }; | |
563ee183 | 1850 | int vht80[] = { 36, 52, 100, 116, 132, 149 }; |
6b8b0774 | 1851 | struct hostapd_channel_data *pri_chan = NULL, *sec_chan = NULL; |
1830817e | 1852 | u8 channel; |
98479dc9 | 1853 | int i, chan_idx, ht40 = -1, res, obss_scan = 1; |
0f29bc68 | 1854 | unsigned int j, k; |
563ee183 | 1855 | struct hostapd_freq_params vht_freq; |
0f29bc68 AK |
1856 | int chwidth, seg0, seg1; |
1857 | u32 vht_caps = 0; | |
1830817e JD |
1858 | |
1859 | freq->freq = ssid->frequency; | |
1860 | ||
98479dc9 JD |
1861 | for (j = 0; j < wpa_s->last_scan_res_used; j++) { |
1862 | struct wpa_bss *bss = wpa_s->last_scan_res[j]; | |
1863 | ||
1864 | if (ssid->mode != WPAS_MODE_IBSS) | |
1865 | break; | |
1866 | ||
1867 | /* Don't adjust control freq in case of fixed_freq */ | |
1868 | if (ssid->fixed_freq) | |
1869 | break; | |
1870 | ||
1871 | if (!bss_is_ibss(bss)) | |
1872 | continue; | |
1873 | ||
1874 | if (ssid->ssid_len == bss->ssid_len && | |
1875 | os_memcmp(ssid->ssid, bss->ssid, bss->ssid_len) == 0) { | |
1876 | wpa_printf(MSG_DEBUG, | |
1877 | "IBSS already found in scan results, adjust control freq: %d", | |
1878 | bss->freq); | |
1879 | freq->freq = bss->freq; | |
1880 | obss_scan = 0; | |
1881 | break; | |
1882 | } | |
1883 | } | |
1884 | ||
1830817e JD |
1885 | /* For IBSS check HT_IBSS flag */ |
1886 | if (ssid->mode == WPAS_MODE_IBSS && | |
1887 | !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_HT_IBSS)) | |
1888 | return; | |
1889 | ||
d9a9bc04 JD |
1890 | if (wpa_s->group_cipher == WPA_CIPHER_WEP40 || |
1891 | wpa_s->group_cipher == WPA_CIPHER_WEP104 || | |
1892 | wpa_s->pairwise_cipher == WPA_CIPHER_TKIP) { | |
1893 | wpa_printf(MSG_DEBUG, | |
1894 | "IBSS: WEP/TKIP detected, do not try to enable HT"); | |
1895 | return; | |
1896 | } | |
1897 | ||
98479dc9 | 1898 | hw_mode = ieee80211_freq_to_chan(freq->freq, &channel); |
1830817e JD |
1899 | for (i = 0; wpa_s->hw.modes && i < wpa_s->hw.num_modes; i++) { |
1900 | if (wpa_s->hw.modes[i].mode == hw_mode) { | |
1901 | mode = &wpa_s->hw.modes[i]; | |
1902 | break; | |
1903 | } | |
1904 | } | |
1905 | ||
1906 | if (!mode) | |
1907 | return; | |
1908 | ||
3388e7b9 MH |
1909 | #ifdef CONFIG_HT_OVERRIDES |
1910 | if (ssid->disable_ht) { | |
1911 | freq->ht_enabled = 0; | |
1912 | return; | |
1913 | } | |
1914 | #endif /* CONFIG_HT_OVERRIDES */ | |
1915 | ||
1830817e | 1916 | freq->ht_enabled = ht_supported(mode); |
6b8b0774 JD |
1917 | if (!freq->ht_enabled) |
1918 | return; | |
1919 | ||
1920 | /* Setup higher BW only for 5 GHz */ | |
1921 | if (mode->mode != HOSTAPD_MODE_IEEE80211A) | |
1922 | return; | |
1923 | ||
1924 | for (chan_idx = 0; chan_idx < mode->num_channels; chan_idx++) { | |
1925 | pri_chan = &mode->channels[chan_idx]; | |
1926 | if (pri_chan->chan == channel) | |
1927 | break; | |
1928 | pri_chan = NULL; | |
1929 | } | |
1930 | if (!pri_chan) | |
1931 | return; | |
1932 | ||
1933 | /* Check primary channel flags */ | |
1934 | if (pri_chan->flag & (HOSTAPD_CHAN_DISABLED | HOSTAPD_CHAN_NO_IR)) | |
1935 | return; | |
1936 | ||
05aed438 MH |
1937 | #ifdef CONFIG_HT_OVERRIDES |
1938 | if (ssid->disable_ht40) | |
1939 | return; | |
1940 | #endif /* CONFIG_HT_OVERRIDES */ | |
1941 | ||
6b8b0774 JD |
1942 | /* Check/setup HT40+/HT40- */ |
1943 | for (j = 0; j < ARRAY_SIZE(ht40plus); j++) { | |
1944 | if (ht40plus[j] == channel) { | |
1945 | ht40 = 1; | |
1946 | break; | |
1947 | } | |
1948 | } | |
1949 | ||
1950 | /* Find secondary channel */ | |
1951 | for (i = 0; i < mode->num_channels; i++) { | |
1952 | sec_chan = &mode->channels[i]; | |
1953 | if (sec_chan->chan == channel + ht40 * 4) | |
1954 | break; | |
1955 | sec_chan = NULL; | |
1956 | } | |
1957 | if (!sec_chan) | |
1958 | return; | |
1959 | ||
1960 | /* Check secondary channel flags */ | |
1961 | if (sec_chan->flag & (HOSTAPD_CHAN_DISABLED | HOSTAPD_CHAN_NO_IR)) | |
1962 | return; | |
1963 | ||
1964 | freq->channel = pri_chan->chan; | |
1965 | ||
ecba4509 | 1966 | if (ht40 == -1) { |
6b8b0774 JD |
1967 | if (!(pri_chan->flag & HOSTAPD_CHAN_HT40MINUS)) |
1968 | return; | |
ecba4509 | 1969 | } else { |
6b8b0774 JD |
1970 | if (!(pri_chan->flag & HOSTAPD_CHAN_HT40PLUS)) |
1971 | return; | |
6b8b0774 | 1972 | } |
ecba4509 | 1973 | freq->sec_channel_offset = ht40; |
6b8b0774 | 1974 | |
ecba4509 | 1975 | if (obss_scan) { |
6b8b0774 JD |
1976 | struct wpa_scan_results *scan_res; |
1977 | ||
1978 | scan_res = wpa_supplicant_get_scan_results(wpa_s, NULL, 0); | |
1979 | if (scan_res == NULL) { | |
1980 | /* Back to HT20 */ | |
1981 | freq->sec_channel_offset = 0; | |
1982 | return; | |
1983 | } | |
1984 | ||
1985 | res = check_40mhz_5g(mode, scan_res, pri_chan->chan, | |
1986 | sec_chan->chan); | |
1987 | switch (res) { | |
1988 | case 0: | |
1989 | /* Back to HT20 */ | |
1990 | freq->sec_channel_offset = 0; | |
1991 | break; | |
1992 | case 1: | |
1993 | /* Configuration allowed */ | |
1994 | break; | |
1995 | case 2: | |
1996 | /* Switch pri/sec channels */ | |
1997 | freq->freq = hw_get_freq(mode, sec_chan->chan); | |
1998 | freq->sec_channel_offset = -freq->sec_channel_offset; | |
1999 | freq->channel = sec_chan->chan; | |
2000 | break; | |
2001 | default: | |
2002 | freq->sec_channel_offset = 0; | |
2003 | break; | |
2004 | } | |
2005 | ||
2006 | wpa_scan_results_free(scan_res); | |
2007 | } | |
2008 | ||
2009 | wpa_printf(MSG_DEBUG, | |
2010 | "IBSS/mesh: setup freq channel %d, sec_channel_offset %d", | |
2011 | freq->channel, freq->sec_channel_offset); | |
563ee183 | 2012 | |
a65efbfb | 2013 | if (!drv_supports_vht(wpa_s, ssid)) |
563ee183 JD |
2014 | return; |
2015 | ||
2016 | /* For IBSS check VHT_IBSS flag */ | |
a65efbfb PO |
2017 | if (ssid->mode == WPAS_MODE_IBSS && |
2018 | !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_VHT_IBSS)) | |
563ee183 JD |
2019 | return; |
2020 | ||
2021 | vht_freq = *freq; | |
2022 | ||
2023 | vht_freq.vht_enabled = vht_supported(mode); | |
2024 | if (!vht_freq.vht_enabled) | |
2025 | return; | |
2026 | ||
2027 | /* setup center_freq1, bandwidth */ | |
2028 | for (j = 0; j < ARRAY_SIZE(vht80); j++) { | |
2029 | if (freq->channel >= vht80[j] && | |
2030 | freq->channel < vht80[j] + 16) | |
2031 | break; | |
2032 | } | |
2033 | ||
2034 | if (j == ARRAY_SIZE(vht80)) | |
2035 | return; | |
2036 | ||
2037 | for (i = vht80[j]; i < vht80[j] + 16; i += 4) { | |
2038 | struct hostapd_channel_data *chan; | |
2039 | ||
2040 | chan = hw_get_channel_chan(mode, i, NULL); | |
2041 | if (!chan) | |
2042 | return; | |
2043 | ||
2044 | /* Back to HT configuration if channel not usable */ | |
2045 | if (chan->flag & (HOSTAPD_CHAN_DISABLED | HOSTAPD_CHAN_NO_IR)) | |
2046 | return; | |
2047 | } | |
2048 | ||
0f29bc68 AK |
2049 | chwidth = VHT_CHANWIDTH_80MHZ; |
2050 | seg0 = vht80[j] + 6; | |
2051 | seg1 = 0; | |
2052 | ||
2053 | if (ssid->max_oper_chwidth == VHT_CHANWIDTH_80P80MHZ) { | |
2054 | /* setup center_freq2, bandwidth */ | |
2055 | for (k = 0; k < ARRAY_SIZE(vht80); k++) { | |
2056 | /* Only accept 80 MHz segments separated by a gap */ | |
2057 | if (j == k || abs(vht80[j] - vht80[k]) == 16) | |
2058 | continue; | |
2059 | for (i = vht80[k]; i < vht80[k] + 16; i += 4) { | |
2060 | struct hostapd_channel_data *chan; | |
2061 | ||
2062 | chan = hw_get_channel_chan(mode, i, NULL); | |
2063 | if (!chan) | |
2064 | continue; | |
2065 | ||
2066 | if (chan->flag & (HOSTAPD_CHAN_DISABLED | | |
2067 | HOSTAPD_CHAN_NO_IR | | |
2068 | HOSTAPD_CHAN_RADAR)) | |
2069 | continue; | |
2070 | ||
2071 | /* Found a suitable second segment for 80+80 */ | |
2072 | chwidth = VHT_CHANWIDTH_80P80MHZ; | |
2073 | vht_caps |= | |
2074 | VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ; | |
2075 | seg1 = vht80[k] + 6; | |
2076 | } | |
2077 | ||
2078 | if (chwidth == VHT_CHANWIDTH_80P80MHZ) | |
2079 | break; | |
2080 | } | |
331f0774 JM |
2081 | } else if (ssid->max_oper_chwidth == VHT_CHANWIDTH_160MHZ) { |
2082 | if (freq->freq == 5180) { | |
2083 | chwidth = VHT_CHANWIDTH_160MHZ; | |
2084 | vht_caps |= VHT_CAP_SUPP_CHAN_WIDTH_160MHZ; | |
2085 | seg0 = 50; | |
2086 | } else if (freq->freq == 5520) { | |
2087 | chwidth = VHT_CHANWIDTH_160MHZ; | |
2088 | vht_caps |= VHT_CAP_SUPP_CHAN_WIDTH_160MHZ; | |
2089 | seg0 = 114; | |
2090 | } | |
0f29bc68 AK |
2091 | } |
2092 | ||
563ee183 JD |
2093 | if (hostapd_set_freq_params(&vht_freq, mode->mode, freq->freq, |
2094 | freq->channel, freq->ht_enabled, | |
2095 | vht_freq.vht_enabled, | |
2096 | freq->sec_channel_offset, | |
0f29bc68 | 2097 | chwidth, seg0, seg1, vht_caps) != 0) |
563ee183 JD |
2098 | return; |
2099 | ||
2100 | *freq = vht_freq; | |
2101 | ||
2102 | wpa_printf(MSG_DEBUG, "IBSS: VHT setup freq cf1 %d, cf2 %d, bw %d", | |
2103 | freq->center_freq1, freq->center_freq2, freq->bandwidth); | |
1830817e JD |
2104 | } |
2105 | ||
2106 | ||
6ac4b15e JM |
2107 | static void wpas_start_assoc_cb(struct wpa_radio_work *work, int deinit) |
2108 | { | |
2109 | struct wpa_connect_work *cwork = work->ctx; | |
2110 | struct wpa_bss *bss = cwork->bss; | |
2111 | struct wpa_ssid *ssid = cwork->ssid; | |
2112 | struct wpa_supplicant *wpa_s = work->wpa_s; | |
2113 | u8 wpa_ie[200]; | |
2114 | size_t wpa_ie_len; | |
2115 | int use_crypt, ret, i, bssid_changed; | |
2116 | int algs = WPA_AUTH_ALG_OPEN; | |
2117 | unsigned int cipher_pairwise, cipher_group; | |
2118 | struct wpa_driver_associate_params params; | |
2119 | int wep_keys_set = 0; | |
2120 | int assoc_failed = 0; | |
2121 | struct wpa_ssid *old_ssid; | |
6a5ee810 | 2122 | u8 prev_bssid[ETH_ALEN]; |
6ac4b15e JM |
2123 | #ifdef CONFIG_HT_OVERRIDES |
2124 | struct ieee80211_ht_capabilities htcaps; | |
2125 | struct ieee80211_ht_capabilities htcaps_mask; | |
2126 | #endif /* CONFIG_HT_OVERRIDES */ | |
6aa1cd4e PS |
2127 | #ifdef CONFIG_VHT_OVERRIDES |
2128 | struct ieee80211_vht_capabilities vhtcaps; | |
2129 | struct ieee80211_vht_capabilities vhtcaps_mask; | |
2130 | #endif /* CONFIG_VHT_OVERRIDES */ | |
5e57ba25 AS |
2131 | #ifdef CONFIG_MBO |
2132 | const u8 *mbo = NULL; | |
2133 | #endif /* CONFIG_MBO */ | |
6ac4b15e JM |
2134 | |
2135 | if (deinit) { | |
b3253ebb AO |
2136 | if (work->started) { |
2137 | wpa_s->connect_work = NULL; | |
2138 | ||
2139 | /* cancel possible auth. timeout */ | |
2140 | eloop_cancel_timeout(wpa_supplicant_timeout, wpa_s, | |
2141 | NULL); | |
2142 | } | |
6ac4b15e JM |
2143 | wpas_connect_work_free(cwork); |
2144 | return; | |
2145 | } | |
2146 | ||
2147 | wpa_s->connect_work = work; | |
2148 | ||
6108536d HW |
2149 | if (cwork->bss_removed || !wpas_valid_bss_ssid(wpa_s, bss, ssid) || |
2150 | wpas_network_disabled(wpa_s, ssid)) { | |
6ac4b15e JM |
2151 | wpa_dbg(wpa_s, MSG_DEBUG, "BSS/SSID entry for association not valid anymore - drop connection attempt"); |
2152 | wpas_connect_work_done(wpa_s); | |
2153 | return; | |
2154 | } | |
2155 | ||
6a5ee810 | 2156 | os_memcpy(prev_bssid, wpa_s->bssid, ETH_ALEN); |
0c80427d | 2157 | os_memset(¶ms, 0, sizeof(params)); |
6fc6879b | 2158 | wpa_s->reassociate = 0; |
c60ba9f7 | 2159 | wpa_s->eap_expected_failure = 0; |
76d81b32 JM |
2160 | if (bss && |
2161 | (!wpas_driver_bss_selection(wpa_s) || wpas_wps_searching(wpa_s))) { | |
6fc6879b | 2162 | #ifdef CONFIG_IEEE80211R |
6fa81a3b | 2163 | const u8 *ie, *md = NULL; |
6fc6879b | 2164 | #endif /* CONFIG_IEEE80211R */ |
6fc6879b JM |
2165 | wpa_msg(wpa_s, MSG_INFO, "Trying to associate with " MACSTR |
2166 | " (SSID='%s' freq=%d MHz)", MAC2STR(bss->bssid), | |
6fa81a3b | 2167 | wpa_ssid_txt(bss->ssid, bss->ssid_len), bss->freq); |
8bac466b | 2168 | bssid_changed = !is_zero_ether_addr(wpa_s->bssid); |
6fc6879b JM |
2169 | os_memset(wpa_s->bssid, 0, ETH_ALEN); |
2170 | os_memcpy(wpa_s->pending_bssid, bss->bssid, ETH_ALEN); | |
8bac466b JM |
2171 | if (bssid_changed) |
2172 | wpas_notify_bssid_changed(wpa_s); | |
6fc6879b | 2173 | #ifdef CONFIG_IEEE80211R |
6fa81a3b | 2174 | ie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN); |
6fc6879b JM |
2175 | if (ie && ie[1] >= MOBILITY_DOMAIN_ID_LEN) |
2176 | md = ie + 2; | |
e7846b68 | 2177 | wpa_sm_set_ft_params(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0); |
91a05482 JM |
2178 | if (md) { |
2179 | /* Prepare for the next transition */ | |
76b7981d | 2180 | wpa_ft_prepare_auth_request(wpa_s->wpa, ie); |
91a05482 | 2181 | } |
6fc6879b | 2182 | #endif /* CONFIG_IEEE80211R */ |
24c23d1b JM |
2183 | #ifdef CONFIG_WPS |
2184 | } else if ((ssid->ssid == NULL || ssid->ssid_len == 0) && | |
2185 | wpa_s->conf->ap_scan == 2 && | |
2186 | (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) { | |
2187 | /* Use ap_scan==1 style network selection to find the network | |
2188 | */ | |
74656400 | 2189 | wpas_connect_work_done(wpa_s); |
4115303b | 2190 | wpa_s->scan_req = MANUAL_SCAN_REQ; |
24c23d1b JM |
2191 | wpa_s->reassociate = 1; |
2192 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
2193 | return; | |
2194 | #endif /* CONFIG_WPS */ | |
6fc6879b JM |
2195 | } else { |
2196 | wpa_msg(wpa_s, MSG_INFO, "Trying to associate with SSID '%s'", | |
2197 | wpa_ssid_txt(ssid->ssid, ssid->ssid_len)); | |
04e3d815 MK |
2198 | if (bss) |
2199 | os_memcpy(wpa_s->pending_bssid, bss->bssid, ETH_ALEN); | |
2200 | else | |
2201 | os_memset(wpa_s->pending_bssid, 0, ETH_ALEN); | |
6fc6879b | 2202 | } |
0d0f7ecb MS |
2203 | if (!wpa_s->pno) |
2204 | wpa_supplicant_cancel_sched_scan(wpa_s); | |
2205 | ||
6fc6879b JM |
2206 | wpa_supplicant_cancel_scan(wpa_s); |
2207 | ||
2208 | /* Starting new association, so clear the possibly used WPA IE from the | |
2209 | * previous association. */ | |
2210 | wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0); | |
2211 | ||
2212 | #ifdef IEEE8021X_EAPOL | |
2213 | if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) { | |
2214 | if (ssid->leap) { | |
2215 | if (ssid->non_leap == 0) | |
abd9fafa | 2216 | algs = WPA_AUTH_ALG_LEAP; |
6fc6879b | 2217 | else |
abd9fafa | 2218 | algs |= WPA_AUTH_ALG_LEAP; |
6fc6879b JM |
2219 | } |
2220 | } | |
2221 | #endif /* IEEE8021X_EAPOL */ | |
f049052b | 2222 | wpa_dbg(wpa_s, MSG_DEBUG, "Automatic auth_alg selection: 0x%x", algs); |
6fc6879b | 2223 | if (ssid->auth_alg) { |
abd9fafa | 2224 | algs = ssid->auth_alg; |
f049052b BG |
2225 | wpa_dbg(wpa_s, MSG_DEBUG, "Overriding auth_alg selection: " |
2226 | "0x%x", algs); | |
6fc6879b | 2227 | } |
6fc6879b | 2228 | |
6fa81a3b JM |
2229 | if (bss && (wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE) || |
2230 | wpa_bss_get_ie(bss, WLAN_EID_RSN)) && | |
0bf927a0 | 2231 | wpa_key_mgmt_wpa(ssid->key_mgmt)) { |
6fc6879b | 2232 | int try_opportunistic; |
6e202021 JM |
2233 | try_opportunistic = (ssid->proactive_key_caching < 0 ? |
2234 | wpa_s->conf->okc : | |
2235 | ssid->proactive_key_caching) && | |
6fc6879b JM |
2236 | (ssid->proto & WPA_PROTO_RSN); |
2237 | if (pmksa_cache_set_current(wpa_s->wpa, NULL, bss->bssid, | |
b2a12c4f | 2238 | ssid, try_opportunistic) == 0) |
ba422613 | 2239 | eapol_sm_notify_pmkid_attempt(wpa_s->eapol); |
6fc6879b JM |
2240 | wpa_ie_len = sizeof(wpa_ie); |
2241 | if (wpa_supplicant_set_suites(wpa_s, bss, ssid, | |
2242 | wpa_ie, &wpa_ie_len)) { | |
f049052b BG |
2243 | wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to set WPA " |
2244 | "key management and encryption suites"); | |
74656400 | 2245 | wpas_connect_work_done(wpa_s); |
6fc6879b JM |
2246 | return; |
2247 | } | |
a3f7e518 JM |
2248 | } else if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) && bss && |
2249 | wpa_key_mgmt_wpa_ieee8021x(ssid->key_mgmt)) { | |
2250 | /* | |
2251 | * Both WPA and non-WPA IEEE 802.1X enabled in configuration - | |
2252 | * use non-WPA since the scan results did not indicate that the | |
2253 | * AP is using WPA or WPA2. | |
2254 | */ | |
2255 | wpa_supplicant_set_non_wpa_policy(wpa_s, ssid); | |
2256 | wpa_ie_len = 0; | |
2257 | wpa_s->wpa_proto = 0; | |
0bf927a0 | 2258 | } else if (wpa_key_mgmt_wpa_any(ssid->key_mgmt)) { |
6fc6879b JM |
2259 | wpa_ie_len = sizeof(wpa_ie); |
2260 | if (wpa_supplicant_set_suites(wpa_s, NULL, ssid, | |
2261 | wpa_ie, &wpa_ie_len)) { | |
f049052b BG |
2262 | wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to set WPA " |
2263 | "key management and encryption suites (no " | |
2264 | "scan results)"); | |
74656400 | 2265 | wpas_connect_work_done(wpa_s); |
6fc6879b JM |
2266 | return; |
2267 | } | |
ad08c363 JM |
2268 | #ifdef CONFIG_WPS |
2269 | } else if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) { | |
b01c18a8 JM |
2270 | struct wpabuf *wps_ie; |
2271 | wps_ie = wps_build_assoc_req_ie(wpas_wps_get_req_type(ssid)); | |
ad08c363 JM |
2272 | if (wps_ie && wpabuf_len(wps_ie) <= sizeof(wpa_ie)) { |
2273 | wpa_ie_len = wpabuf_len(wps_ie); | |
2274 | os_memcpy(wpa_ie, wpabuf_head(wps_ie), wpa_ie_len); | |
24386985 JM |
2275 | } else |
2276 | wpa_ie_len = 0; | |
ad08c363 JM |
2277 | wpabuf_free(wps_ie); |
2278 | wpa_supplicant_set_non_wpa_policy(wpa_s, ssid); | |
0c80427d JM |
2279 | if (!bss || (bss->caps & IEEE80211_CAP_PRIVACY)) |
2280 | params.wps = WPS_MODE_PRIVACY; | |
2281 | else | |
2282 | params.wps = WPS_MODE_OPEN; | |
cf546f1a | 2283 | wpa_s->wpa_proto = 0; |
ad08c363 | 2284 | #endif /* CONFIG_WPS */ |
6fc6879b JM |
2285 | } else { |
2286 | wpa_supplicant_set_non_wpa_policy(wpa_s, ssid); | |
2287 | wpa_ie_len = 0; | |
cf546f1a | 2288 | wpa_s->wpa_proto = 0; |
6fc6879b JM |
2289 | } |
2290 | ||
5f3a6aa0 JM |
2291 | #ifdef CONFIG_P2P |
2292 | if (wpa_s->global->p2p) { | |
2293 | u8 *pos; | |
2294 | size_t len; | |
2295 | int res; | |
5f3a6aa0 JM |
2296 | pos = wpa_ie + wpa_ie_len; |
2297 | len = sizeof(wpa_ie) - wpa_ie_len; | |
b8a8d677 JM |
2298 | res = wpas_p2p_assoc_req_ie(wpa_s, bss, pos, len, |
2299 | ssid->p2p_group); | |
5f3a6aa0 JM |
2300 | if (res >= 0) |
2301 | wpa_ie_len += res; | |
2302 | } | |
72044390 JM |
2303 | |
2304 | wpa_s->cross_connect_disallowed = 0; | |
2305 | if (bss) { | |
2306 | struct wpabuf *p2p; | |
2307 | p2p = wpa_bss_get_vendor_ie_multi(bss, P2P_IE_VENDOR_TYPE); | |
2308 | if (p2p) { | |
2309 | wpa_s->cross_connect_disallowed = | |
2310 | p2p_get_cross_connect_disallowed(p2p); | |
2311 | wpabuf_free(p2p); | |
f049052b BG |
2312 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: WLAN AP %s cross " |
2313 | "connection", | |
2314 | wpa_s->cross_connect_disallowed ? | |
2315 | "disallows" : "allows"); | |
72044390 JM |
2316 | } |
2317 | } | |
25ef8529 JM |
2318 | |
2319 | os_memset(wpa_s->p2p_ip_addr_info, 0, sizeof(wpa_s->p2p_ip_addr_info)); | |
5f3a6aa0 JM |
2320 | #endif /* CONFIG_P2P */ |
2321 | ||
5e57ba25 AS |
2322 | #ifdef CONFIG_MBO |
2323 | if (bss) { | |
2324 | mbo = wpa_bss_get_vendor_ie(bss, MBO_IE_VENDOR_TYPE); | |
2325 | if (mbo) { | |
2326 | int len; | |
2327 | ||
2328 | len = wpas_mbo_supp_op_class_ie(wpa_s, bss->freq, | |
2329 | wpa_ie + wpa_ie_len, | |
2330 | sizeof(wpa_ie) - | |
2331 | wpa_ie_len); | |
2332 | if (len > 0) | |
2333 | wpa_ie_len += len; | |
2334 | } | |
2335 | } | |
2336 | #endif /* CONFIG_MBO */ | |
2337 | ||
8b3b803a AH |
2338 | /* |
2339 | * Workaround: Add Extended Capabilities element only if the AP | |
2340 | * included this element in Beacon/Probe Response frames. Some older | |
2341 | * APs seem to have interoperability issues if this element is | |
2342 | * included, so while the standard may require us to include the | |
2343 | * element in all cases, it is justifiable to skip it to avoid | |
2344 | * interoperability issues. | |
2345 | */ | |
cc9a2575 KV |
2346 | if (ssid->p2p_group) |
2347 | wpa_drv_get_ext_capa(wpa_s, WPA_IF_P2P_CLIENT); | |
2348 | else | |
2349 | wpa_drv_get_ext_capa(wpa_s, WPA_IF_STATION); | |
2350 | ||
8b3b803a | 2351 | if (!bss || wpa_bss_get_ie(bss, WLAN_EID_EXT_CAPAB)) { |
0bbaa9b9 | 2352 | u8 ext_capab[18]; |
8b3b803a | 2353 | int ext_capab_len; |
0bbaa9b9 JM |
2354 | ext_capab_len = wpas_build_ext_capab(wpa_s, ext_capab, |
2355 | sizeof(ext_capab)); | |
8b3b803a AH |
2356 | if (ext_capab_len > 0) { |
2357 | u8 *pos = wpa_ie; | |
2358 | if (wpa_ie_len > 0 && pos[0] == WLAN_EID_RSN) | |
2359 | pos += 2 + pos[1]; | |
2360 | os_memmove(pos + ext_capab_len, pos, | |
2361 | wpa_ie_len - (pos - wpa_ie)); | |
2362 | wpa_ie_len += ext_capab_len; | |
2363 | os_memcpy(pos, ext_capab, ext_capab_len); | |
2364 | } | |
92cbcf91 | 2365 | } |
92cbcf91 | 2366 | |
c484b198 AS |
2367 | #ifdef CONFIG_HS20 |
2368 | if (is_hs20_network(wpa_s, ssid, bss)) { | |
2369 | struct wpabuf *hs20; | |
2370 | ||
2371 | hs20 = wpabuf_alloc(20); | |
2372 | if (hs20) { | |
2373 | int pps_mo_id = hs20_get_pps_mo_id(wpa_s, ssid); | |
2374 | size_t len; | |
2375 | ||
2376 | wpas_hs20_add_indication(hs20, pps_mo_id); | |
2377 | len = sizeof(wpa_ie) - wpa_ie_len; | |
2378 | if (wpabuf_len(hs20) <= len) { | |
2379 | os_memcpy(wpa_ie + wpa_ie_len, | |
2380 | wpabuf_head(hs20), wpabuf_len(hs20)); | |
2381 | wpa_ie_len += wpabuf_len(hs20); | |
2382 | } | |
2383 | wpabuf_free(hs20); | |
ece4ac5f MG |
2384 | |
2385 | hs20_configure_frame_filters(wpa_s); | |
c484b198 AS |
2386 | } |
2387 | } | |
2388 | #endif /* CONFIG_HS20 */ | |
2389 | ||
d29fa3a7 JM |
2390 | if (wpa_s->vendor_elem[VENDOR_ELEM_ASSOC_REQ]) { |
2391 | struct wpabuf *buf = wpa_s->vendor_elem[VENDOR_ELEM_ASSOC_REQ]; | |
2392 | size_t len; | |
2393 | ||
2394 | len = sizeof(wpa_ie) - wpa_ie_len; | |
2395 | if (wpabuf_len(buf) <= len) { | |
2396 | os_memcpy(wpa_ie + wpa_ie_len, | |
2397 | wpabuf_head(buf), wpabuf_len(buf)); | |
2398 | wpa_ie_len += wpabuf_len(buf); | |
2399 | } | |
2400 | } | |
2401 | ||
b36a3a65 AN |
2402 | #ifdef CONFIG_FST |
2403 | if (wpa_s->fst_ies) { | |
2404 | int fst_ies_len = wpabuf_len(wpa_s->fst_ies); | |
2405 | ||
2406 | if (wpa_ie_len + fst_ies_len <= sizeof(wpa_ie)) { | |
2407 | os_memcpy(wpa_ie + wpa_ie_len, | |
2408 | wpabuf_head(wpa_s->fst_ies), fst_ies_len); | |
2409 | wpa_ie_len += fst_ies_len; | |
2410 | } | |
2411 | } | |
2412 | #endif /* CONFIG_FST */ | |
2413 | ||
92c6e2e3 | 2414 | #ifdef CONFIG_MBO |
5e57ba25 AS |
2415 | if (mbo) { |
2416 | int len; | |
92c6e2e3 | 2417 | |
5e57ba25 AS |
2418 | len = wpas_mbo_ie(wpa_s, wpa_ie + wpa_ie_len, |
2419 | sizeof(wpa_ie) - wpa_ie_len); | |
2420 | if (len >= 0) | |
2421 | wpa_ie_len += len; | |
92c6e2e3 DS |
2422 | } |
2423 | #endif /* CONFIG_MBO */ | |
2424 | ||
6fc6879b JM |
2425 | wpa_clear_keys(wpa_s, bss ? bss->bssid : NULL); |
2426 | use_crypt = 1; | |
4848a38d JM |
2427 | cipher_pairwise = wpa_s->pairwise_cipher; |
2428 | cipher_group = wpa_s->group_cipher; | |
6fc6879b JM |
2429 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE || |
2430 | wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) { | |
2431 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE) | |
2432 | use_crypt = 0; | |
2433 | if (wpa_set_wep_keys(wpa_s, ssid)) { | |
2434 | use_crypt = 1; | |
2435 | wep_keys_set = 1; | |
2436 | } | |
2437 | } | |
ad08c363 JM |
2438 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS) |
2439 | use_crypt = 0; | |
6fc6879b JM |
2440 | |
2441 | #ifdef IEEE8021X_EAPOL | |
2442 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) { | |
2443 | if ((ssid->eapol_flags & | |
2444 | (EAPOL_FLAG_REQUIRE_KEY_UNICAST | | |
2445 | EAPOL_FLAG_REQUIRE_KEY_BROADCAST)) == 0 && | |
2446 | !wep_keys_set) { | |
2447 | use_crypt = 0; | |
2448 | } else { | |
2449 | /* Assume that dynamic WEP-104 keys will be used and | |
2450 | * set cipher suites in order for drivers to expect | |
2451 | * encryption. */ | |
4848a38d | 2452 | cipher_pairwise = cipher_group = WPA_CIPHER_WEP104; |
6fc6879b JM |
2453 | } |
2454 | } | |
2455 | #endif /* IEEE8021X_EAPOL */ | |
2456 | ||
2457 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) { | |
2458 | /* Set the key before (and later after) association */ | |
2459 | wpa_supplicant_set_wpa_none_key(wpa_s, ssid); | |
2460 | } | |
2461 | ||
6fc6879b | 2462 | wpa_supplicant_set_state(wpa_s, WPA_ASSOCIATING); |
6fc6879b | 2463 | if (bss) { |
6fa81a3b JM |
2464 | params.ssid = bss->ssid; |
2465 | params.ssid_len = bss->ssid_len; | |
4b5b8a53 JM |
2466 | if (!wpas_driver_bss_selection(wpa_s) || ssid->bssid_set || |
2467 | wpa_s->key_mgmt == WPA_KEY_MGMT_WPS) { | |
f15854d1 JM |
2468 | wpa_printf(MSG_DEBUG, "Limit connection to BSSID " |
2469 | MACSTR " freq=%u MHz based on scan results " | |
4b5b8a53 | 2470 | "(bssid_set=%d wps=%d)", |
f15854d1 | 2471 | MAC2STR(bss->bssid), bss->freq, |
4b5b8a53 JM |
2472 | ssid->bssid_set, |
2473 | wpa_s->key_mgmt == WPA_KEY_MGMT_WPS); | |
22628eca | 2474 | params.bssid = bss->bssid; |
4ec68377 | 2475 | params.freq.freq = bss->freq; |
22628eca | 2476 | } |
7ac7fd43 DS |
2477 | params.bssid_hint = bss->bssid; |
2478 | params.freq_hint = bss->freq; | |
b9074912 | 2479 | params.pbss = bss_is_pbss(bss); |
6fc6879b JM |
2480 | } else { |
2481 | params.ssid = ssid->ssid; | |
2482 | params.ssid_len = ssid->ssid_len; | |
90f14962 | 2483 | params.pbss = (ssid->pbss != 2) ? ssid->pbss : 0; |
6fc6879b | 2484 | } |
9e2af29f NC |
2485 | |
2486 | if (ssid->mode == WPAS_MODE_IBSS && ssid->bssid_set && | |
2487 | wpa_s->conf->ap_scan == 2) { | |
2488 | params.bssid = ssid->bssid; | |
2489 | params.fixed_bssid = 1; | |
2490 | } | |
2491 | ||
603a3f34 JL |
2492 | /* Initial frequency for IBSS/mesh */ |
2493 | if ((ssid->mode == WPAS_MODE_IBSS || ssid->mode == WPAS_MODE_MESH) && | |
1830817e JD |
2494 | ssid->frequency > 0 && params.freq.freq == 0) |
2495 | ibss_mesh_setup_freq(wpa_s, ssid, ¶ms.freq); | |
dc152f32 | 2496 | |
8f05577d | 2497 | if (ssid->mode == WPAS_MODE_IBSS) { |
4d9e6fba | 2498 | params.fixed_freq = ssid->fixed_freq; |
8f05577d JM |
2499 | if (ssid->beacon_int) |
2500 | params.beacon_int = ssid->beacon_int; | |
2501 | else | |
2502 | params.beacon_int = wpa_s->conf->beacon_int; | |
2503 | } | |
2504 | ||
6fc6879b JM |
2505 | params.wpa_ie = wpa_ie; |
2506 | params.wpa_ie_len = wpa_ie_len; | |
2507 | params.pairwise_suite = cipher_pairwise; | |
2508 | params.group_suite = cipher_group; | |
4848a38d | 2509 | params.key_mgmt_suite = wpa_s->key_mgmt; |
64fa840a | 2510 | params.wpa_proto = wpa_s->wpa_proto; |
6fc6879b JM |
2511 | params.auth_alg = algs; |
2512 | params.mode = ssid->mode; | |
1f6c0ab8 | 2513 | params.bg_scan_period = ssid->bg_scan_period; |
6fc6879b JM |
2514 | for (i = 0; i < NUM_WEP_KEYS; i++) { |
2515 | if (ssid->wep_key_len[i]) | |
2516 | params.wep_key[i] = ssid->wep_key[i]; | |
2517 | params.wep_key_len[i] = ssid->wep_key_len[i]; | |
2518 | } | |
2519 | params.wep_tx_keyidx = ssid->wep_tx_keyidx; | |
2520 | ||
c2a04078 | 2521 | if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) && |
4848a38d JM |
2522 | (params.key_mgmt_suite == WPA_KEY_MGMT_PSK || |
2523 | params.key_mgmt_suite == WPA_KEY_MGMT_FT_PSK)) { | |
6fc6879b JM |
2524 | params.passphrase = ssid->passphrase; |
2525 | if (ssid->psk_set) | |
2526 | params.psk = ssid->psk; | |
b41f2684 CL |
2527 | } |
2528 | ||
2529 | if (wpa_s->conf->key_mgmt_offload) { | |
2530 | if (params.key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X || | |
666497c8 | 2531 | params.key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 || |
5e3b5197 JM |
2532 | params.key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B || |
2533 | params.key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) | |
b41f2684 CL |
2534 | params.req_key_mgmt_offload = |
2535 | ssid->proactive_key_caching < 0 ? | |
2536 | wpa_s->conf->okc : ssid->proactive_key_caching; | |
2537 | else | |
2538 | params.req_key_mgmt_offload = 1; | |
2539 | ||
2540 | if ((params.key_mgmt_suite == WPA_KEY_MGMT_PSK || | |
2541 | params.key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 || | |
2542 | params.key_mgmt_suite == WPA_KEY_MGMT_FT_PSK) && | |
2543 | ssid->psk_set) | |
2544 | params.psk = ssid->psk; | |
6fc6879b JM |
2545 | } |
2546 | ||
36b15723 JM |
2547 | params.drop_unencrypted = use_crypt; |
2548 | ||
6fc6879b | 2549 | #ifdef CONFIG_IEEE80211W |
3f56a2b7 | 2550 | params.mgmt_frame_protection = wpas_get_ssid_pmf(wpa_s, ssid); |
62d49803 | 2551 | if (params.mgmt_frame_protection != NO_MGMT_FRAME_PROTECTION && bss) { |
6fa81a3b | 2552 | const u8 *rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN); |
97d3497e JM |
2553 | struct wpa_ie_data ie; |
2554 | if (rsn && wpa_parse_wpa_ie(rsn, 2 + rsn[1], &ie) == 0 && | |
2555 | ie.capabilities & | |
2556 | (WPA_CAPABILITY_MFPC | WPA_CAPABILITY_MFPR)) { | |
f049052b BG |
2557 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Selected AP supports " |
2558 | "MFP: require MFP"); | |
97d3497e JM |
2559 | params.mgmt_frame_protection = |
2560 | MGMT_FRAME_PROTECTION_REQUIRED; | |
2561 | } | |
2562 | } | |
6fc6879b JM |
2563 | #endif /* CONFIG_IEEE80211W */ |
2564 | ||
ffad8858 | 2565 | params.p2p = ssid->p2p_group; |
6e3f4b89 | 2566 | |
ba307f85 LD |
2567 | if (wpa_s->p2pdev->set_sta_uapsd) |
2568 | params.uapsd = wpa_s->p2pdev->sta_uapsd; | |
eea2fd9e JM |
2569 | else |
2570 | params.uapsd = -1; | |
2571 | ||
80e8a5ee BG |
2572 | #ifdef CONFIG_HT_OVERRIDES |
2573 | os_memset(&htcaps, 0, sizeof(htcaps)); | |
2574 | os_memset(&htcaps_mask, 0, sizeof(htcaps_mask)); | |
2575 | params.htcaps = (u8 *) &htcaps; | |
2576 | params.htcaps_mask = (u8 *) &htcaps_mask; | |
2577 | wpa_supplicant_apply_ht_overrides(wpa_s, ssid, ¶ms); | |
2578 | #endif /* CONFIG_HT_OVERRIDES */ | |
6aa1cd4e PS |
2579 | #ifdef CONFIG_VHT_OVERRIDES |
2580 | os_memset(&vhtcaps, 0, sizeof(vhtcaps)); | |
2581 | os_memset(&vhtcaps_mask, 0, sizeof(vhtcaps_mask)); | |
2582 | params.vhtcaps = &vhtcaps; | |
2583 | params.vhtcaps_mask = &vhtcaps_mask; | |
95ff3069 | 2584 | wpa_supplicant_apply_vht_overrides(wpa_s, ssid, ¶ms); |
6aa1cd4e | 2585 | #endif /* CONFIG_VHT_OVERRIDES */ |
80e8a5ee | 2586 | |
8567866d JJ |
2587 | #ifdef CONFIG_P2P |
2588 | /* | |
2589 | * If multi-channel concurrency is not supported, check for any | |
2590 | * frequency conflict. In case of any frequency conflict, remove the | |
2591 | * least prioritized connection. | |
2592 | */ | |
2593 | if (wpa_s->num_multichan_concurrent < 2) { | |
d0df6437 IP |
2594 | int freq, num; |
2595 | num = get_shared_radio_freqs(wpa_s, &freq, 1); | |
4ec68377 | 2596 | if (num > 0 && freq > 0 && freq != params.freq.freq) { |
d0df6437 IP |
2597 | wpa_printf(MSG_DEBUG, |
2598 | "Assoc conflicting freq found (%d != %d)", | |
4ec68377 JD |
2599 | freq, params.freq.freq); |
2600 | if (wpas_p2p_handle_frequency_conflicts( | |
74656400 SD |
2601 | wpa_s, params.freq.freq, ssid) < 0) { |
2602 | wpas_connect_work_done(wpa_s); | |
8567866d | 2603 | return; |
74656400 | 2604 | } |
8567866d JJ |
2605 | } |
2606 | } | |
2607 | #endif /* CONFIG_P2P */ | |
2608 | ||
6a5ee810 JM |
2609 | if (wpa_s->reassoc_same_ess && !is_zero_ether_addr(prev_bssid) && |
2610 | wpa_s->current_ssid) | |
2611 | params.prev_bssid = prev_bssid; | |
2612 | ||
17fbb751 | 2613 | ret = wpa_drv_associate(wpa_s, ¶ms); |
6fc6879b JM |
2614 | if (ret < 0) { |
2615 | wpa_msg(wpa_s, MSG_INFO, "Association request to the driver " | |
2616 | "failed"); | |
871f4dd0 JM |
2617 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SANE_ERROR_CODES) { |
2618 | /* | |
2619 | * The driver is known to mean what is saying, so we | |
2620 | * can stop right here; the association will not | |
2621 | * succeed. | |
2622 | */ | |
2623 | wpas_connection_failed(wpa_s, wpa_s->pending_bssid); | |
c1c02342 | 2624 | wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); |
871f4dd0 JM |
2625 | os_memset(wpa_s->pending_bssid, 0, ETH_ALEN); |
2626 | return; | |
2627 | } | |
6fc6879b JM |
2628 | /* try to continue anyway; new association will be tried again |
2629 | * after timeout */ | |
2630 | assoc_failed = 1; | |
2631 | } | |
2632 | ||
2633 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) { | |
2634 | /* Set the key after the association just in case association | |
2635 | * cleared the previously configured key. */ | |
2636 | wpa_supplicant_set_wpa_none_key(wpa_s, ssid); | |
2637 | /* No need to timeout authentication since there is no key | |
2638 | * management. */ | |
2639 | wpa_supplicant_cancel_auth_timeout(wpa_s); | |
2640 | wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); | |
53895c3b | 2641 | #ifdef CONFIG_IBSS_RSN |
d7dcba70 | 2642 | } else if (ssid->mode == WPAS_MODE_IBSS && |
53895c3b JM |
2643 | wpa_s->key_mgmt != WPA_KEY_MGMT_NONE && |
2644 | wpa_s->key_mgmt != WPA_KEY_MGMT_WPA_NONE) { | |
2645 | /* | |
2646 | * RSN IBSS authentication is per-STA and we can disable the | |
2647 | * per-BSSID authentication. | |
2648 | */ | |
2649 | wpa_supplicant_cancel_auth_timeout(wpa_s); | |
53895c3b | 2650 | #endif /* CONFIG_IBSS_RSN */ |
6fc6879b JM |
2651 | } else { |
2652 | /* Timeout for IEEE 802.11 authentication and association */ | |
1d3c75b3 DW |
2653 | int timeout = 60; |
2654 | ||
2655 | if (assoc_failed) { | |
2656 | /* give IBSS a bit more time */ | |
d7dcba70 | 2657 | timeout = ssid->mode == WPAS_MODE_IBSS ? 10 : 5; |
1d3c75b3 DW |
2658 | } else if (wpa_s->conf->ap_scan == 1) { |
2659 | /* give IBSS a bit more time */ | |
d7dcba70 | 2660 | timeout = ssid->mode == WPAS_MODE_IBSS ? 20 : 10; |
1d3c75b3 | 2661 | } |
6fc6879b JM |
2662 | wpa_supplicant_req_auth_timeout(wpa_s, timeout, 0); |
2663 | } | |
2664 | ||
66562e9c JM |
2665 | if (wep_keys_set && |
2666 | (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC)) { | |
6fc6879b JM |
2667 | /* Set static WEP keys again */ |
2668 | wpa_set_wep_keys(wpa_s, ssid); | |
2669 | } | |
2670 | ||
2671 | if (wpa_s->current_ssid && wpa_s->current_ssid != ssid) { | |
2672 | /* | |
2673 | * Do not allow EAP session resumption between different | |
2674 | * network configurations. | |
2675 | */ | |
2676 | eapol_sm_invalidate_cached_session(wpa_s->eapol); | |
2677 | } | |
8bac466b | 2678 | old_ssid = wpa_s->current_ssid; |
6fc6879b | 2679 | wpa_s->current_ssid = ssid; |
ece4ac5f MG |
2680 | |
2681 | if (!wpas_driver_bss_selection(wpa_s) || ssid->bssid_set) { | |
4d3be9cd | 2682 | wpa_s->current_bss = bss; |
ece4ac5f MG |
2683 | #ifdef CONFIG_HS20 |
2684 | hs20_configure_frame_filters(wpa_s); | |
2685 | #endif /* CONFIG_HS20 */ | |
2686 | } | |
2687 | ||
6fc6879b JM |
2688 | wpa_supplicant_rsn_supp_set_config(wpa_s, wpa_s->current_ssid); |
2689 | wpa_supplicant_initiate_eapol(wpa_s); | |
8bac466b JM |
2690 | if (old_ssid != wpa_s->current_ssid) |
2691 | wpas_notify_network_changed(wpa_s); | |
6fc6879b JM |
2692 | } |
2693 | ||
2694 | ||
09f58c09 JM |
2695 | static void wpa_supplicant_clear_connection(struct wpa_supplicant *wpa_s, |
2696 | const u8 *addr) | |
2697 | { | |
2698 | struct wpa_ssid *old_ssid; | |
2699 | ||
c155305f | 2700 | wpas_connect_work_done(wpa_s); |
09f58c09 | 2701 | wpa_clear_keys(wpa_s, addr); |
09f58c09 | 2702 | old_ssid = wpa_s->current_ssid; |
0d30cc24 | 2703 | wpa_supplicant_mark_disassoc(wpa_s); |
09f58c09 JM |
2704 | wpa_sm_set_config(wpa_s->wpa, NULL); |
2705 | eapol_sm_notify_config(wpa_s->eapol, NULL, NULL); | |
2706 | if (old_ssid != wpa_s->current_ssid) | |
2707 | wpas_notify_network_changed(wpa_s); | |
2708 | eloop_cancel_timeout(wpa_supplicant_timeout, wpa_s, NULL); | |
2709 | } | |
2710 | ||
2711 | ||
6fc6879b JM |
2712 | /** |
2713 | * wpa_supplicant_deauthenticate - Deauthenticate the current connection | |
2714 | * @wpa_s: Pointer to wpa_supplicant data | |
2715 | * @reason_code: IEEE 802.11 reason code for the deauthenticate frame | |
2716 | * | |
073ab58f | 2717 | * This function is used to request %wpa_supplicant to deauthenticate from the |
6fc6879b JM |
2718 | * current AP. |
2719 | */ | |
2720 | void wpa_supplicant_deauthenticate(struct wpa_supplicant *wpa_s, | |
2721 | int reason_code) | |
2722 | { | |
2723 | u8 *addr = NULL; | |
ef48ff94 | 2724 | union wpa_event_data event; |
42d23547 | 2725 | int zero_addr = 0; |
8bac466b | 2726 | |
42d23547 JM |
2727 | wpa_dbg(wpa_s, MSG_DEBUG, "Request to deauthenticate - bssid=" MACSTR |
2728 | " pending_bssid=" MACSTR " reason=%d state=%s", | |
2729 | MAC2STR(wpa_s->bssid), MAC2STR(wpa_s->pending_bssid), | |
2730 | reason_code, wpa_supplicant_state_txt(wpa_s->wpa_state)); | |
2731 | ||
04e3d815 MK |
2732 | if (!is_zero_ether_addr(wpa_s->pending_bssid) && |
2733 | (wpa_s->wpa_state == WPA_AUTHENTICATING || | |
2734 | wpa_s->wpa_state == WPA_ASSOCIATING)) | |
42d23547 | 2735 | addr = wpa_s->pending_bssid; |
04e3d815 MK |
2736 | else if (!is_zero_ether_addr(wpa_s->bssid)) |
2737 | addr = wpa_s->bssid; | |
42d23547 JM |
2738 | else if (wpa_s->wpa_state == WPA_ASSOCIATING) { |
2739 | /* | |
2740 | * When using driver-based BSS selection, we may not know the | |
2741 | * BSSID with which we are currently trying to associate. We | |
2742 | * need to notify the driver of this disconnection even in such | |
2743 | * a case, so use the all zeros address here. | |
2744 | */ | |
6fc6879b | 2745 | addr = wpa_s->bssid; |
42d23547 JM |
2746 | zero_addr = 1; |
2747 | } | |
2748 | ||
7b44ff2c SD |
2749 | #ifdef CONFIG_TDLS |
2750 | wpa_tdls_teardown_peers(wpa_s->wpa); | |
2751 | #endif /* CONFIG_TDLS */ | |
2752 | ||
603a3f34 JL |
2753 | #ifdef CONFIG_MESH |
2754 | if (wpa_s->ifmsh) { | |
6174de66 JM |
2755 | wpa_msg(wpa_s, MSG_INFO, MESH_GROUP_REMOVED "%s", |
2756 | wpa_s->ifname); | |
603a3f34 JL |
2757 | wpa_supplicant_leave_mesh(wpa_s); |
2758 | } | |
2759 | #endif /* CONFIG_MESH */ | |
2760 | ||
42d23547 JM |
2761 | if (addr) { |
2762 | wpa_drv_deauthenticate(wpa_s, addr, reason_code); | |
ef48ff94 JM |
2763 | os_memset(&event, 0, sizeof(event)); |
2764 | event.deauth_info.reason_code = (u16) reason_code; | |
2765 | event.deauth_info.locally_generated = 1; | |
2766 | wpa_supplicant_event(wpa_s, EVENT_DEAUTH, &event); | |
42d23547 JM |
2767 | if (zero_addr) |
2768 | addr = NULL; | |
6fc6879b | 2769 | } |
09f58c09 JM |
2770 | |
2771 | wpa_supplicant_clear_connection(wpa_s, addr); | |
6fc6879b JM |
2772 | } |
2773 | ||
dca1a511 DS |
2774 | static void wpa_supplicant_enable_one_network(struct wpa_supplicant *wpa_s, |
2775 | struct wpa_ssid *ssid) | |
2776 | { | |
2777 | if (!ssid || !ssid->disabled || ssid->disabled == 2) | |
2778 | return; | |
2779 | ||
2780 | ssid->disabled = 0; | |
2781 | wpas_clear_temp_disabled(wpa_s, ssid, 1); | |
2782 | wpas_notify_network_enabled_changed(wpa_s, ssid); | |
2783 | ||
2784 | /* | |
2785 | * Try to reassociate since there is no current configuration and a new | |
2786 | * network was made available. | |
2787 | */ | |
d2592497 | 2788 | if (!wpa_s->current_ssid && !wpa_s->disconnected) |
dca1a511 DS |
2789 | wpa_s->reassociate = 1; |
2790 | } | |
2791 | ||
6fc6879b | 2792 | |
d015bb05 RP |
2793 | /** |
2794 | * wpa_supplicant_add_network - Add a new network | |
2795 | * @wpa_s: wpa_supplicant structure for a network interface | |
2796 | * Returns: The new network configuration or %NULL if operation failed | |
2797 | * | |
2798 | * This function performs the following operations: | |
2799 | * 1. Adds a new network. | |
2800 | * 2. Send network addition notification. | |
2801 | * 3. Marks the network disabled. | |
2802 | * 4. Set network default parameters. | |
2803 | */ | |
2804 | struct wpa_ssid * wpa_supplicant_add_network(struct wpa_supplicant *wpa_s) | |
2805 | { | |
2806 | struct wpa_ssid *ssid; | |
2807 | ||
2808 | ssid = wpa_config_add_network(wpa_s->conf); | |
2809 | if (!ssid) | |
2810 | return NULL; | |
2811 | wpas_notify_network_added(wpa_s, ssid); | |
2812 | ssid->disabled = 1; | |
2813 | wpa_config_set_network_defaults(ssid); | |
2814 | ||
2815 | return ssid; | |
2816 | } | |
2817 | ||
2818 | ||
2819 | /** | |
2820 | * wpa_supplicant_remove_network - Remove a configured network based on id | |
2821 | * @wpa_s: wpa_supplicant structure for a network interface | |
2822 | * @id: Unique network id to search for | |
2823 | * Returns: 0 on success, or -1 if the network was not found, -2 if the network | |
2824 | * could not be removed | |
2825 | * | |
2826 | * This function performs the following operations: | |
2827 | * 1. Removes the network. | |
2828 | * 2. Send network removal notification. | |
2829 | * 3. Update internal state machines. | |
2830 | * 4. Stop any running sched scans. | |
2831 | */ | |
2832 | int wpa_supplicant_remove_network(struct wpa_supplicant *wpa_s, int id) | |
2833 | { | |
2834 | struct wpa_ssid *ssid; | |
2835 | int was_disabled; | |
2836 | ||
2837 | ssid = wpa_config_get_network(wpa_s->conf, id); | |
2838 | if (!ssid) | |
2839 | return -1; | |
2840 | wpas_notify_network_removed(wpa_s, ssid); | |
2841 | ||
2842 | if (wpa_s->last_ssid == ssid) | |
2843 | wpa_s->last_ssid = NULL; | |
2844 | ||
2845 | if (ssid == wpa_s->current_ssid || !wpa_s->current_ssid) { | |
2846 | #ifdef CONFIG_SME | |
2847 | wpa_s->sme.prev_bssid_set = 0; | |
2848 | #endif /* CONFIG_SME */ | |
2849 | /* | |
2850 | * Invalidate the EAP session cache if the current or | |
2851 | * previously used network is removed. | |
2852 | */ | |
2853 | eapol_sm_invalidate_cached_session(wpa_s->eapol); | |
2854 | } | |
2855 | ||
2856 | if (ssid == wpa_s->current_ssid) { | |
2857 | wpa_sm_set_config(wpa_s->wpa, NULL); | |
2858 | eapol_sm_notify_config(wpa_s->eapol, NULL, NULL); | |
2859 | ||
2860 | if (wpa_s->wpa_state >= WPA_AUTHENTICATING) | |
2861 | wpa_s->own_disconnect_req = 1; | |
2862 | wpa_supplicant_deauthenticate(wpa_s, | |
2863 | WLAN_REASON_DEAUTH_LEAVING); | |
2864 | } | |
2865 | ||
2866 | was_disabled = ssid->disabled; | |
2867 | ||
2868 | if (wpa_config_remove_network(wpa_s->conf, id) < 0) | |
2869 | return -2; | |
2870 | ||
2871 | if (!was_disabled && wpa_s->sched_scanning) { | |
2872 | wpa_printf(MSG_DEBUG, | |
2873 | "Stop ongoing sched_scan to remove network from filters"); | |
2874 | wpa_supplicant_cancel_sched_scan(wpa_s); | |
2875 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
2876 | } | |
2877 | ||
2878 | return 0; | |
2879 | } | |
2880 | ||
2881 | ||
86b89452 WS |
2882 | /** |
2883 | * wpa_supplicant_enable_network - Mark a configured network as enabled | |
2884 | * @wpa_s: wpa_supplicant structure for a network interface | |
2885 | * @ssid: wpa_ssid structure for a configured network or %NULL | |
2886 | * | |
2887 | * Enables the specified network or all networks if no network specified. | |
2888 | */ | |
2889 | void wpa_supplicant_enable_network(struct wpa_supplicant *wpa_s, | |
2890 | struct wpa_ssid *ssid) | |
2891 | { | |
86b89452 | 2892 | if (ssid == NULL) { |
14f79078 JM |
2893 | for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) |
2894 | wpa_supplicant_enable_one_network(wpa_s, ssid); | |
dca1a511 DS |
2895 | } else |
2896 | wpa_supplicant_enable_one_network(wpa_s, ssid); | |
86b89452 | 2897 | |
5a1d9d1a JM |
2898 | if (wpa_s->reassociate && !wpa_s->disconnected && |
2899 | (!wpa_s->current_ssid || | |
2900 | wpa_s->wpa_state == WPA_DISCONNECTED || | |
2901 | wpa_s->wpa_state == WPA_SCANNING)) { | |
dca1a511 DS |
2902 | if (wpa_s->sched_scanning) { |
2903 | wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to add " | |
2904 | "new network to scan filters"); | |
2905 | wpa_supplicant_cancel_sched_scan(wpa_s); | |
2906 | } | |
86b89452 | 2907 | |
35d40309 JM |
2908 | if (wpa_supplicant_fast_associate(wpa_s) != 1) { |
2909 | wpa_s->scan_req = NORMAL_SCAN_REQ; | |
dad153d1 | 2910 | wpa_supplicant_req_scan(wpa_s, 0, 0); |
35d40309 | 2911 | } |
86b89452 WS |
2912 | } |
2913 | } | |
2914 | ||
2915 | ||
2916 | /** | |
2917 | * wpa_supplicant_disable_network - Mark a configured network as disabled | |
2918 | * @wpa_s: wpa_supplicant structure for a network interface | |
2919 | * @ssid: wpa_ssid structure for a configured network or %NULL | |
2920 | * | |
2921 | * Disables the specified network or all networks if no network specified. | |
2922 | */ | |
2923 | void wpa_supplicant_disable_network(struct wpa_supplicant *wpa_s, | |
2924 | struct wpa_ssid *ssid) | |
2925 | { | |
2926 | struct wpa_ssid *other_ssid; | |
2927 | int was_disabled; | |
2928 | ||
2929 | if (ssid == NULL) { | |
725fc39e DS |
2930 | if (wpa_s->sched_scanning) |
2931 | wpa_supplicant_cancel_sched_scan(wpa_s); | |
2932 | ||
4dac0245 JM |
2933 | for (other_ssid = wpa_s->conf->ssid; other_ssid; |
2934 | other_ssid = other_ssid->next) { | |
86b89452 | 2935 | was_disabled = other_ssid->disabled; |
4dac0245 JM |
2936 | if (was_disabled == 2) |
2937 | continue; /* do not change persistent P2P group | |
2938 | * data */ | |
86b89452 WS |
2939 | |
2940 | other_ssid->disabled = 1; | |
2941 | ||
2942 | if (was_disabled != other_ssid->disabled) | |
2943 | wpas_notify_network_enabled_changed( | |
2944 | wpa_s, other_ssid); | |
86b89452 WS |
2945 | } |
2946 | if (wpa_s->current_ssid) | |
07783eaa | 2947 | wpa_supplicant_deauthenticate( |
86b89452 | 2948 | wpa_s, WLAN_REASON_DEAUTH_LEAVING); |
4dac0245 | 2949 | } else if (ssid->disabled != 2) { |
86b89452 | 2950 | if (ssid == wpa_s->current_ssid) |
07783eaa | 2951 | wpa_supplicant_deauthenticate( |
86b89452 WS |
2952 | wpa_s, WLAN_REASON_DEAUTH_LEAVING); |
2953 | ||
2954 | was_disabled = ssid->disabled; | |
2955 | ||
2956 | ssid->disabled = 1; | |
2957 | ||
725fc39e | 2958 | if (was_disabled != ssid->disabled) { |
86b89452 | 2959 | wpas_notify_network_enabled_changed(wpa_s, ssid); |
725fc39e DS |
2960 | if (wpa_s->sched_scanning) { |
2961 | wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan " | |
2962 | "to remove network from filters"); | |
2963 | wpa_supplicant_cancel_sched_scan(wpa_s); | |
2964 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
2965 | } | |
2966 | } | |
86b89452 WS |
2967 | } |
2968 | } | |
2969 | ||
2970 | ||
2971 | /** | |
2972 | * wpa_supplicant_select_network - Attempt association with a network | |
2973 | * @wpa_s: wpa_supplicant structure for a network interface | |
2974 | * @ssid: wpa_ssid structure for a configured network or %NULL for any network | |
2975 | */ | |
2976 | void wpa_supplicant_select_network(struct wpa_supplicant *wpa_s, | |
2977 | struct wpa_ssid *ssid) | |
2978 | { | |
2979 | ||
2980 | struct wpa_ssid *other_ssid; | |
d93dfbd5 | 2981 | int disconnected = 0; |
86b89452 | 2982 | |
d93dfbd5 | 2983 | if (ssid && ssid != wpa_s->current_ssid && wpa_s->current_ssid) { |
e66bcedd JM |
2984 | if (wpa_s->wpa_state >= WPA_AUTHENTICATING) |
2985 | wpa_s->own_disconnect_req = 1; | |
07783eaa | 2986 | wpa_supplicant_deauthenticate( |
86b89452 | 2987 | wpa_s, WLAN_REASON_DEAUTH_LEAVING); |
d93dfbd5 JM |
2988 | disconnected = 1; |
2989 | } | |
86b89452 | 2990 | |
00e5e3d5 JM |
2991 | if (ssid) |
2992 | wpas_clear_temp_disabled(wpa_s, ssid, 1); | |
2993 | ||
86b89452 WS |
2994 | /* |
2995 | * Mark all other networks disabled or mark all networks enabled if no | |
2996 | * network specified. | |
2997 | */ | |
4dac0245 JM |
2998 | for (other_ssid = wpa_s->conf->ssid; other_ssid; |
2999 | other_ssid = other_ssid->next) { | |
86b89452 | 3000 | int was_disabled = other_ssid->disabled; |
4dac0245 JM |
3001 | if (was_disabled == 2) |
3002 | continue; /* do not change persistent P2P group data */ | |
86b89452 WS |
3003 | |
3004 | other_ssid->disabled = ssid ? (ssid->id != other_ssid->id) : 0; | |
00e5e3d5 JM |
3005 | if (was_disabled && !other_ssid->disabled) |
3006 | wpas_clear_temp_disabled(wpa_s, other_ssid, 0); | |
86b89452 WS |
3007 | |
3008 | if (was_disabled != other_ssid->disabled) | |
3009 | wpas_notify_network_enabled_changed(wpa_s, other_ssid); | |
86b89452 | 3010 | } |
2a6f78fb | 3011 | |
d38c7be0 JM |
3012 | if (ssid && ssid == wpa_s->current_ssid && wpa_s->current_ssid && |
3013 | wpa_s->wpa_state >= WPA_AUTHENTICATING) { | |
2a6f78fb JJ |
3014 | /* We are already associated with the selected network */ |
3015 | wpa_printf(MSG_DEBUG, "Already associated with the " | |
3016 | "selected network - do nothing"); | |
3017 | return; | |
3018 | } | |
3019 | ||
25a8f9e3 | 3020 | if (ssid) { |
96efeeb6 | 3021 | wpa_s->current_ssid = ssid; |
25a8f9e3 | 3022 | eapol_sm_notify_config(wpa_s->eapol, NULL, NULL); |
603a3f34 JL |
3023 | wpa_s->connect_without_scan = |
3024 | (ssid->mode == WPAS_MODE_MESH) ? ssid : NULL; | |
701f3961 AS |
3025 | |
3026 | /* | |
3027 | * Don't optimize next scan freqs since a new ESS has been | |
3028 | * selected. | |
3029 | */ | |
3030 | os_free(wpa_s->next_scan_freqs); | |
3031 | wpa_s->next_scan_freqs = NULL; | |
603a3f34 JL |
3032 | } else { |
3033 | wpa_s->connect_without_scan = NULL; | |
25a8f9e3 | 3034 | } |
603a3f34 | 3035 | |
86b89452 WS |
3036 | wpa_s->disconnected = 0; |
3037 | wpa_s->reassociate = 1; | |
cecdddc1 | 3038 | |
e4a35f07 | 3039 | if (wpa_s->connect_without_scan || |
35d40309 JM |
3040 | wpa_supplicant_fast_associate(wpa_s) != 1) { |
3041 | wpa_s->scan_req = NORMAL_SCAN_REQ; | |
be7ebd89 | 3042 | wpas_scan_reset_sched_scan(wpa_s); |
cecdddc1 | 3043 | wpa_supplicant_req_scan(wpa_s, 0, disconnected ? 100000 : 0); |
35d40309 | 3044 | } |
86b89452 | 3045 | |
a1641d26 JM |
3046 | if (ssid) |
3047 | wpas_notify_network_selected(wpa_s, ssid); | |
86b89452 WS |
3048 | } |
3049 | ||
3050 | ||
bdec7ee5 MS |
3051 | /** |
3052 | * wpas_set_pkcs11_engine_and_module_path - Set PKCS #11 engine and module path | |
3053 | * @wpa_s: wpa_supplicant structure for a network interface | |
3054 | * @pkcs11_engine_path: PKCS #11 engine path or NULL | |
3055 | * @pkcs11_module_path: PKCS #11 module path or NULL | |
3056 | * Returns: 0 on success; -1 on failure | |
3057 | * | |
3058 | * Sets the PKCS #11 engine and module path. Both have to be NULL or a valid | |
3059 | * path. If resetting the EAPOL state machine with the new PKCS #11 engine and | |
3060 | * module path fails the paths will be reset to the default value (NULL). | |
3061 | */ | |
3062 | int wpas_set_pkcs11_engine_and_module_path(struct wpa_supplicant *wpa_s, | |
3063 | const char *pkcs11_engine_path, | |
3064 | const char *pkcs11_module_path) | |
3065 | { | |
3066 | char *pkcs11_engine_path_copy = NULL; | |
3067 | char *pkcs11_module_path_copy = NULL; | |
3068 | ||
3069 | if (pkcs11_engine_path != NULL) { | |
3070 | pkcs11_engine_path_copy = os_strdup(pkcs11_engine_path); | |
3071 | if (pkcs11_engine_path_copy == NULL) | |
3072 | return -1; | |
3073 | } | |
3074 | if (pkcs11_module_path != NULL) { | |
3075 | pkcs11_module_path_copy = os_strdup(pkcs11_module_path); | |
04c366cb | 3076 | if (pkcs11_module_path_copy == NULL) { |
bdec7ee5 MS |
3077 | os_free(pkcs11_engine_path_copy); |
3078 | return -1; | |
3079 | } | |
3080 | } | |
3081 | ||
3082 | os_free(wpa_s->conf->pkcs11_engine_path); | |
3083 | os_free(wpa_s->conf->pkcs11_module_path); | |
3084 | wpa_s->conf->pkcs11_engine_path = pkcs11_engine_path_copy; | |
3085 | wpa_s->conf->pkcs11_module_path = pkcs11_module_path_copy; | |
3086 | ||
3087 | wpa_sm_set_eapol(wpa_s->wpa, NULL); | |
3088 | eapol_sm_deinit(wpa_s->eapol); | |
3089 | wpa_s->eapol = NULL; | |
3090 | if (wpa_supplicant_init_eapol(wpa_s)) { | |
3091 | /* Error -> Reset paths to the default value (NULL) once. */ | |
3092 | if (pkcs11_engine_path != NULL && pkcs11_module_path != NULL) | |
3093 | wpas_set_pkcs11_engine_and_module_path(wpa_s, NULL, | |
3094 | NULL); | |
3095 | ||
3096 | return -1; | |
3097 | } | |
3098 | wpa_sm_set_eapol(wpa_s->wpa, wpa_s->eapol); | |
3099 | ||
3100 | return 0; | |
3101 | } | |
3102 | ||
3103 | ||
86b89452 WS |
3104 | /** |
3105 | * wpa_supplicant_set_ap_scan - Set AP scan mode for interface | |
3106 | * @wpa_s: wpa_supplicant structure for a network interface | |
3107 | * @ap_scan: AP scan mode | |
3108 | * Returns: 0 if succeed or -1 if ap_scan has an invalid value | |
3109 | * | |
3110 | */ | |
3111 | int wpa_supplicant_set_ap_scan(struct wpa_supplicant *wpa_s, int ap_scan) | |
3112 | { | |
3113 | ||
3114 | int old_ap_scan; | |
3115 | ||
3116 | if (ap_scan < 0 || ap_scan > 2) | |
3117 | return -1; | |
3118 | ||
8406cd35 JM |
3119 | if (ap_scan == 2 && os_strcmp(wpa_s->driver->name, "nl80211") == 0) { |
3120 | wpa_printf(MSG_INFO, | |
3121 | "Note: nl80211 driver interface is not designed to be used with ap_scan=2; this can result in connection failures"); | |
3122 | } | |
3123 | ||
48f8e036 DS |
3124 | #ifdef ANDROID |
3125 | if (ap_scan == 2 && ap_scan != wpa_s->conf->ap_scan && | |
3126 | wpa_s->wpa_state >= WPA_ASSOCIATING && | |
3127 | wpa_s->wpa_state < WPA_COMPLETED) { | |
3128 | wpa_printf(MSG_ERROR, "ap_scan = %d (%d) rejected while " | |
3129 | "associating", wpa_s->conf->ap_scan, ap_scan); | |
3130 | return 0; | |
3131 | } | |
3132 | #endif /* ANDROID */ | |
3133 | ||
86b89452 WS |
3134 | old_ap_scan = wpa_s->conf->ap_scan; |
3135 | wpa_s->conf->ap_scan = ap_scan; | |
3136 | ||
3137 | if (old_ap_scan != wpa_s->conf->ap_scan) | |
3138 | wpas_notify_ap_scan_changed(wpa_s); | |
3139 | ||
3140 | return 0; | |
3141 | } | |
3142 | ||
3143 | ||
78633c37 SL |
3144 | /** |
3145 | * wpa_supplicant_set_bss_expiration_age - Set BSS entry expiration age | |
3146 | * @wpa_s: wpa_supplicant structure for a network interface | |
3147 | * @expire_age: Expiration age in seconds | |
3148 | * Returns: 0 if succeed or -1 if expire_age has an invalid value | |
3149 | * | |
3150 | */ | |
3151 | int wpa_supplicant_set_bss_expiration_age(struct wpa_supplicant *wpa_s, | |
3152 | unsigned int bss_expire_age) | |
3153 | { | |
3154 | if (bss_expire_age < 10) { | |
3155 | wpa_msg(wpa_s, MSG_ERROR, "Invalid bss expiration age %u", | |
3156 | bss_expire_age); | |
3157 | return -1; | |
3158 | } | |
3159 | wpa_msg(wpa_s, MSG_DEBUG, "Setting bss expiration age: %d sec", | |
3160 | bss_expire_age); | |
3161 | wpa_s->conf->bss_expiration_age = bss_expire_age; | |
3162 | ||
3163 | return 0; | |
3164 | } | |
3165 | ||
3166 | ||
3167 | /** | |
3168 | * wpa_supplicant_set_bss_expiration_count - Set BSS entry expiration scan count | |
3169 | * @wpa_s: wpa_supplicant structure for a network interface | |
3170 | * @expire_count: number of scans after which an unseen BSS is reclaimed | |
3171 | * Returns: 0 if succeed or -1 if expire_count has an invalid value | |
3172 | * | |
3173 | */ | |
3174 | int wpa_supplicant_set_bss_expiration_count(struct wpa_supplicant *wpa_s, | |
3175 | unsigned int bss_expire_count) | |
3176 | { | |
3177 | if (bss_expire_count < 1) { | |
3178 | wpa_msg(wpa_s, MSG_ERROR, "Invalid bss expiration count %u", | |
3179 | bss_expire_count); | |
3180 | return -1; | |
3181 | } | |
3182 | wpa_msg(wpa_s, MSG_DEBUG, "Setting bss expiration scan count: %u", | |
3183 | bss_expire_count); | |
3184 | wpa_s->conf->bss_expiration_scan_count = bss_expire_count; | |
3185 | ||
3186 | return 0; | |
3187 | } | |
3188 | ||
3189 | ||
c6e86b63 MA |
3190 | /** |
3191 | * wpa_supplicant_set_scan_interval - Set scan interval | |
3192 | * @wpa_s: wpa_supplicant structure for a network interface | |
3193 | * @scan_interval: scan interval in seconds | |
3194 | * Returns: 0 if succeed or -1 if scan_interval has an invalid value | |
3195 | * | |
3196 | */ | |
3197 | int wpa_supplicant_set_scan_interval(struct wpa_supplicant *wpa_s, | |
3198 | int scan_interval) | |
3199 | { | |
3200 | if (scan_interval < 0) { | |
3201 | wpa_msg(wpa_s, MSG_ERROR, "Invalid scan interval %d", | |
3202 | scan_interval); | |
3203 | return -1; | |
3204 | } | |
3205 | wpa_msg(wpa_s, MSG_DEBUG, "Setting scan interval: %d sec", | |
3206 | scan_interval); | |
9e737f08 | 3207 | wpa_supplicant_update_scan_int(wpa_s, scan_interval); |
c6e86b63 MA |
3208 | |
3209 | return 0; | |
3210 | } | |
3211 | ||
3212 | ||
86b89452 WS |
3213 | /** |
3214 | * wpa_supplicant_set_debug_params - Set global debug params | |
3215 | * @global: wpa_global structure | |
3216 | * @debug_level: debug level | |
3217 | * @debug_timestamp: determines if show timestamp in debug data | |
3218 | * @debug_show_keys: determines if show keys in debug data | |
3219 | * Returns: 0 if succeed or -1 if debug_level has wrong value | |
3220 | */ | |
3221 | int wpa_supplicant_set_debug_params(struct wpa_global *global, int debug_level, | |
3222 | int debug_timestamp, int debug_show_keys) | |
3223 | { | |
3224 | ||
3225 | int old_level, old_timestamp, old_show_keys; | |
3226 | ||
3227 | /* check for allowed debuglevels */ | |
14dc0011 PS |
3228 | if (debug_level != MSG_EXCESSIVE && |
3229 | debug_level != MSG_MSGDUMP && | |
86b89452 WS |
3230 | debug_level != MSG_DEBUG && |
3231 | debug_level != MSG_INFO && | |
3232 | debug_level != MSG_WARNING && | |
3233 | debug_level != MSG_ERROR) | |
3234 | return -1; | |
3235 | ||
3236 | old_level = wpa_debug_level; | |
3237 | old_timestamp = wpa_debug_timestamp; | |
3238 | old_show_keys = wpa_debug_show_keys; | |
3239 | ||
3240 | wpa_debug_level = debug_level; | |
3241 | wpa_debug_timestamp = debug_timestamp ? 1 : 0; | |
3242 | wpa_debug_show_keys = debug_show_keys ? 1 : 0; | |
3243 | ||
db9133ac WS |
3244 | if (wpa_debug_level != old_level) |
3245 | wpas_notify_debug_level_changed(global); | |
3246 | if (wpa_debug_timestamp != old_timestamp) | |
3247 | wpas_notify_debug_timestamp_changed(global); | |
3248 | if (wpa_debug_show_keys != old_show_keys) | |
3249 | wpas_notify_debug_show_keys_changed(global); | |
86b89452 WS |
3250 | |
3251 | return 0; | |
3252 | } | |
3253 | ||
3254 | ||
6fc6879b JM |
3255 | /** |
3256 | * wpa_supplicant_get_ssid - Get a pointer to the current network structure | |
3257 | * @wpa_s: Pointer to wpa_supplicant data | |
3258 | * Returns: A pointer to the current network structure or %NULL on failure | |
3259 | */ | |
3260 | struct wpa_ssid * wpa_supplicant_get_ssid(struct wpa_supplicant *wpa_s) | |
3261 | { | |
3262 | struct wpa_ssid *entry; | |
eaa8eefe | 3263 | u8 ssid[SSID_MAX_LEN]; |
6fc6879b JM |
3264 | int res; |
3265 | size_t ssid_len; | |
3266 | u8 bssid[ETH_ALEN]; | |
3267 | int wired; | |
3268 | ||
17fbb751 JM |
3269 | res = wpa_drv_get_ssid(wpa_s, ssid); |
3270 | if (res < 0) { | |
3271 | wpa_msg(wpa_s, MSG_WARNING, "Could not read SSID from " | |
3272 | "driver"); | |
3273 | return NULL; | |
6fc6879b | 3274 | } |
17fbb751 | 3275 | ssid_len = res; |
6fc6879b | 3276 | |
17fbb751 | 3277 | if (wpa_drv_get_bssid(wpa_s, bssid) < 0) { |
f049052b BG |
3278 | wpa_msg(wpa_s, MSG_WARNING, "Could not read BSSID from " |
3279 | "driver"); | |
6fc6879b JM |
3280 | return NULL; |
3281 | } | |
3282 | ||
c2a04078 JM |
3283 | wired = wpa_s->conf->ap_scan == 0 && |
3284 | (wpa_s->drv_flags & WPA_DRIVER_FLAGS_WIRED); | |
6fc6879b JM |
3285 | |
3286 | entry = wpa_s->conf->ssid; | |
3287 | while (entry) { | |
349493bd | 3288 | if (!wpas_network_disabled(wpa_s, entry) && |
6fc6879b JM |
3289 | ((ssid_len == entry->ssid_len && |
3290 | os_memcmp(ssid, entry->ssid, ssid_len) == 0) || wired) && | |
3291 | (!entry->bssid_set || | |
3292 | os_memcmp(bssid, entry->bssid, ETH_ALEN) == 0)) | |
3293 | return entry; | |
24c23d1b | 3294 | #ifdef CONFIG_WPS |
349493bd | 3295 | if (!wpas_network_disabled(wpa_s, entry) && |
24c23d1b JM |
3296 | (entry->key_mgmt & WPA_KEY_MGMT_WPS) && |
3297 | (entry->ssid == NULL || entry->ssid_len == 0) && | |
3298 | (!entry->bssid_set || | |
3299 | os_memcmp(bssid, entry->bssid, ETH_ALEN) == 0)) | |
3300 | return entry; | |
3301 | #endif /* CONFIG_WPS */ | |
7d232e23 | 3302 | |
349493bd | 3303 | if (!wpas_network_disabled(wpa_s, entry) && entry->bssid_set && |
7d232e23 ZC |
3304 | entry->ssid_len == 0 && |
3305 | os_memcmp(bssid, entry->bssid, ETH_ALEN) == 0) | |
3306 | return entry; | |
3307 | ||
6fc6879b JM |
3308 | entry = entry->next; |
3309 | } | |
3310 | ||
3311 | return NULL; | |
3312 | } | |
3313 | ||
3314 | ||
7756114f JM |
3315 | static int select_driver(struct wpa_supplicant *wpa_s, int i) |
3316 | { | |
3317 | struct wpa_global *global = wpa_s->global; | |
3318 | ||
3319 | if (wpa_drivers[i]->global_init && global->drv_priv[i] == NULL) { | |
45e3fc72 | 3320 | global->drv_priv[i] = wpa_drivers[i]->global_init(global); |
7756114f JM |
3321 | if (global->drv_priv[i] == NULL) { |
3322 | wpa_printf(MSG_ERROR, "Failed to initialize driver " | |
3323 | "'%s'", wpa_drivers[i]->name); | |
3324 | return -1; | |
3325 | } | |
3326 | } | |
3327 | ||
3328 | wpa_s->driver = wpa_drivers[i]; | |
3329 | wpa_s->global_drv_priv = global->drv_priv[i]; | |
3330 | ||
3331 | return 0; | |
3332 | } | |
3333 | ||
3334 | ||
6fc6879b JM |
3335 | static int wpa_supplicant_set_driver(struct wpa_supplicant *wpa_s, |
3336 | const char *name) | |
3337 | { | |
3338 | int i; | |
362f781e | 3339 | size_t len; |
74b1c84a | 3340 | const char *pos, *driver = name; |
6fc6879b JM |
3341 | |
3342 | if (wpa_s == NULL) | |
3343 | return -1; | |
3344 | ||
c5121837 | 3345 | if (wpa_drivers[0] == NULL) { |
f049052b BG |
3346 | wpa_msg(wpa_s, MSG_ERROR, "No driver interfaces build into " |
3347 | "wpa_supplicant"); | |
6fc6879b JM |
3348 | return -1; |
3349 | } | |
3350 | ||
3351 | if (name == NULL) { | |
3352 | /* default to first driver in the list */ | |
7756114f | 3353 | return select_driver(wpa_s, 0); |
6fc6879b JM |
3354 | } |
3355 | ||
74b1c84a SO |
3356 | do { |
3357 | pos = os_strchr(driver, ','); | |
3358 | if (pos) | |
3359 | len = pos - driver; | |
3360 | else | |
3361 | len = os_strlen(driver); | |
3362 | ||
3363 | for (i = 0; wpa_drivers[i]; i++) { | |
3364 | if (os_strlen(wpa_drivers[i]->name) == len && | |
3365 | os_strncmp(driver, wpa_drivers[i]->name, len) == | |
0f4668ce DW |
3366 | 0) { |
3367 | /* First driver that succeeds wins */ | |
3368 | if (select_driver(wpa_s, i) == 0) | |
3369 | return 0; | |
3370 | } | |
6fc6879b | 3371 | } |
74b1c84a SO |
3372 | |
3373 | driver = pos + 1; | |
3374 | } while (pos); | |
6fc6879b | 3375 | |
f049052b | 3376 | wpa_msg(wpa_s, MSG_ERROR, "Unsupported driver '%s'", name); |
6fc6879b JM |
3377 | return -1; |
3378 | } | |
3379 | ||
3380 | ||
a8e0505b JM |
3381 | /** |
3382 | * wpa_supplicant_rx_eapol - Deliver a received EAPOL frame to wpa_supplicant | |
3383 | * @ctx: Context pointer (wpa_s); this is the ctx variable registered | |
3384 | * with struct wpa_driver_ops::init() | |
3385 | * @src_addr: Source address of the EAPOL frame | |
3386 | * @buf: EAPOL data starting from the EAPOL header (i.e., no Ethernet header) | |
3387 | * @len: Length of the EAPOL data | |
3388 | * | |
3389 | * This function is called for each received EAPOL frame. Most driver | |
3390 | * interfaces rely on more generic OS mechanism for receiving frames through | |
3391 | * l2_packet, but if such a mechanism is not available, the driver wrapper may | |
3392 | * take care of received EAPOL frames and deliver them to the core supplicant | |
3393 | * code by calling this function. | |
3394 | */ | |
6fc6879b JM |
3395 | void wpa_supplicant_rx_eapol(void *ctx, const u8 *src_addr, |
3396 | const u8 *buf, size_t len) | |
3397 | { | |
3398 | struct wpa_supplicant *wpa_s = ctx; | |
3399 | ||
f049052b | 3400 | wpa_dbg(wpa_s, MSG_DEBUG, "RX EAPOL from " MACSTR, MAC2STR(src_addr)); |
6fc6879b JM |
3401 | wpa_hexdump(MSG_MSGDUMP, "RX EAPOL", buf, len); |
3402 | ||
02adead5 MK |
3403 | #ifdef CONFIG_TESTING_OPTIONS |
3404 | if (wpa_s->ignore_auth_resp) { | |
3405 | wpa_printf(MSG_INFO, "RX EAPOL - ignore_auth_resp active!"); | |
3406 | return; | |
3407 | } | |
3408 | #endif /* CONFIG_TESTING_OPTIONS */ | |
3409 | ||
db76aa64 JM |
3410 | #ifdef CONFIG_PEERKEY |
3411 | if (wpa_s->wpa_state > WPA_ASSOCIATED && wpa_s->current_ssid && | |
3412 | wpa_s->current_ssid->peerkey && | |
3413 | !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) && | |
3414 | wpa_sm_rx_eapol_peerkey(wpa_s->wpa, src_addr, buf, len) == 1) { | |
3415 | wpa_dbg(wpa_s, MSG_DEBUG, "RSN: Processed PeerKey EAPOL-Key"); | |
3416 | return; | |
3417 | } | |
3418 | #endif /* CONFIG_PEERKEY */ | |
3419 | ||
3ab35a66 JM |
3420 | if (wpa_s->wpa_state < WPA_ASSOCIATED || |
3421 | (wpa_s->last_eapol_matches_bssid && | |
3422 | #ifdef CONFIG_AP | |
3423 | !wpa_s->ap_iface && | |
3424 | #endif /* CONFIG_AP */ | |
3425 | os_memcmp(src_addr, wpa_s->bssid, ETH_ALEN) != 0)) { | |
1ff73338 JM |
3426 | /* |
3427 | * There is possible race condition between receiving the | |
3428 | * association event and the EAPOL frame since they are coming | |
3429 | * through different paths from the driver. In order to avoid | |
3430 | * issues in trying to process the EAPOL frame before receiving | |
3431 | * association information, lets queue it for processing until | |
3ab35a66 JM |
3432 | * the association event is received. This may also be needed in |
3433 | * driver-based roaming case, so also use src_addr != BSSID as a | |
3434 | * trigger if we have previously confirmed that the | |
3435 | * Authenticator uses BSSID as the src_addr (which is not the | |
3436 | * case with wired IEEE 802.1X). | |
1ff73338 | 3437 | */ |
f049052b | 3438 | wpa_dbg(wpa_s, MSG_DEBUG, "Not associated - Delay processing " |
3ab35a66 JM |
3439 | "of received EAPOL frame (state=%s bssid=" MACSTR ")", |
3440 | wpa_supplicant_state_txt(wpa_s->wpa_state), | |
3441 | MAC2STR(wpa_s->bssid)); | |
1ff73338 JM |
3442 | wpabuf_free(wpa_s->pending_eapol_rx); |
3443 | wpa_s->pending_eapol_rx = wpabuf_alloc_copy(buf, len); | |
3444 | if (wpa_s->pending_eapol_rx) { | |
c2be937c | 3445 | os_get_reltime(&wpa_s->pending_eapol_rx_time); |
1ff73338 JM |
3446 | os_memcpy(wpa_s->pending_eapol_rx_src, src_addr, |
3447 | ETH_ALEN); | |
3448 | } | |
3449 | return; | |
3450 | } | |
3451 | ||
3ab35a66 JM |
3452 | wpa_s->last_eapol_matches_bssid = |
3453 | os_memcmp(src_addr, wpa_s->bssid, ETH_ALEN) == 0; | |
3454 | ||
db149ac9 JM |
3455 | #ifdef CONFIG_AP |
3456 | if (wpa_s->ap_iface) { | |
3457 | wpa_supplicant_ap_rx_eapol(wpa_s, src_addr, buf, len); | |
3458 | return; | |
3459 | } | |
3460 | #endif /* CONFIG_AP */ | |
3461 | ||
6fc6879b | 3462 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE) { |
f049052b BG |
3463 | wpa_dbg(wpa_s, MSG_DEBUG, "Ignored received EAPOL frame since " |
3464 | "no key management is configured"); | |
6fc6879b JM |
3465 | return; |
3466 | } | |
3467 | ||
3468 | if (wpa_s->eapol_received == 0 && | |
c2a04078 | 3469 | (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) || |
56586197 | 3470 | !wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) || |
9c972abb JM |
3471 | wpa_s->wpa_state != WPA_COMPLETED) && |
3472 | (wpa_s->current_ssid == NULL || | |
3473 | wpa_s->current_ssid->mode != IEEE80211_MODE_IBSS)) { | |
6fc6879b | 3474 | /* Timeout for completing IEEE 802.1X and WPA authentication */ |
5add4101 JM |
3475 | int timeout = 10; |
3476 | ||
3477 | if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) || | |
3478 | wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA || | |
3479 | wpa_s->key_mgmt == WPA_KEY_MGMT_WPS) { | |
3480 | /* Use longer timeout for IEEE 802.1X/EAP */ | |
3481 | timeout = 70; | |
3482 | } | |
3483 | ||
c7dafdf9 | 3484 | #ifdef CONFIG_WPS |
5add4101 JM |
3485 | if (wpa_s->current_ssid && wpa_s->current_bss && |
3486 | (wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_WPS) && | |
3487 | eap_is_wps_pin_enrollee(&wpa_s->current_ssid->eap)) { | |
3488 | /* | |
3489 | * Use shorter timeout if going through WPS AP iteration | |
3490 | * for PIN config method with an AP that does not | |
3491 | * advertise Selected Registrar. | |
3492 | */ | |
3493 | struct wpabuf *wps_ie; | |
3494 | ||
3495 | wps_ie = wpa_bss_get_vendor_ie_multi( | |
3496 | wpa_s->current_bss, WPS_IE_VENDOR_TYPE); | |
0ef1e290 JM |
3497 | if (wps_ie && |
3498 | !wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1)) | |
5add4101 JM |
3499 | timeout = 10; |
3500 | wpabuf_free(wps_ie); | |
3501 | } | |
c7dafdf9 | 3502 | #endif /* CONFIG_WPS */ |
5add4101 JM |
3503 | |
3504 | wpa_supplicant_req_auth_timeout(wpa_s, timeout, 0); | |
6fc6879b JM |
3505 | } |
3506 | wpa_s->eapol_received++; | |
3507 | ||
3508 | if (wpa_s->countermeasures) { | |
f049052b BG |
3509 | wpa_msg(wpa_s, MSG_INFO, "WPA: Countermeasures - dropped " |
3510 | "EAPOL packet"); | |
6fc6879b JM |
3511 | return; |
3512 | } | |
3513 | ||
8be18440 JM |
3514 | #ifdef CONFIG_IBSS_RSN |
3515 | if (wpa_s->current_ssid && | |
d7dcba70 | 3516 | wpa_s->current_ssid->mode == WPAS_MODE_IBSS) { |
8be18440 JM |
3517 | ibss_rsn_rx_eapol(wpa_s->ibss_rsn, src_addr, buf, len); |
3518 | return; | |
3519 | } | |
3520 | #endif /* CONFIG_IBSS_RSN */ | |
3521 | ||
6fc6879b JM |
3522 | /* Source address of the incoming EAPOL frame could be compared to the |
3523 | * current BSSID. However, it is possible that a centralized | |
3524 | * Authenticator could be using another MAC address than the BSSID of | |
3525 | * an AP, so just allow any address to be used for now. The replies are | |
3526 | * still sent to the current BSSID (if available), though. */ | |
3527 | ||
3528 | os_memcpy(wpa_s->last_eapol_src, src_addr, ETH_ALEN); | |
56586197 | 3529 | if (!wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) && |
6fc6879b JM |
3530 | eapol_sm_rx_eapol(wpa_s->eapol, src_addr, buf, len) > 0) |
3531 | return; | |
3532 | wpa_drv_poll(wpa_s); | |
c2a04078 | 3533 | if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE)) |
6fc6879b | 3534 | wpa_sm_rx_eapol(wpa_s->wpa, src_addr, buf, len); |
56586197 | 3535 | else if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) { |
6fc6879b JM |
3536 | /* |
3537 | * Set portValid = TRUE here since we are going to skip 4-way | |
3538 | * handshake processing which would normally set portValid. We | |
3539 | * need this to allow the EAPOL state machines to be completed | |
3540 | * without going through EAPOL-Key handshake. | |
3541 | */ | |
3542 | eapol_sm_notify_portValid(wpa_s->eapol, TRUE); | |
3543 | } | |
3544 | } | |
3545 | ||
3546 | ||
bfba8deb | 3547 | int wpa_supplicant_update_mac_addr(struct wpa_supplicant *wpa_s) |
6fc6879b | 3548 | { |
2961bfa8 JM |
3549 | if ((!wpa_s->p2p_mgmt || |
3550 | !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)) && | |
3551 | !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE)) { | |
bfba8deb | 3552 | l2_packet_deinit(wpa_s->l2); |
6fc6879b JM |
3553 | wpa_s->l2 = l2_packet_init(wpa_s->ifname, |
3554 | wpa_drv_get_mac_addr(wpa_s), | |
3555 | ETH_P_EAPOL, | |
3556 | wpa_supplicant_rx_eapol, wpa_s, 0); | |
3557 | if (wpa_s->l2 == NULL) | |
3558 | return -1; | |
fdadd5fe JM |
3559 | } else { |
3560 | const u8 *addr = wpa_drv_get_mac_addr(wpa_s); | |
3561 | if (addr) | |
3562 | os_memcpy(wpa_s->own_addr, addr, ETH_ALEN); | |
6fc6879b JM |
3563 | } |
3564 | ||
3565 | if (wpa_s->l2 && l2_packet_get_own_addr(wpa_s->l2, wpa_s->own_addr)) { | |
f049052b | 3566 | wpa_msg(wpa_s, MSG_ERROR, "Failed to get own L2 address"); |
6fc6879b JM |
3567 | return -1; |
3568 | } | |
3569 | ||
c267753b JM |
3570 | wpa_sm_set_own_addr(wpa_s->wpa, wpa_s->own_addr); |
3571 | ||
bfba8deb JM |
3572 | return 0; |
3573 | } | |
3574 | ||
3575 | ||
25f839c6 JM |
3576 | static void wpa_supplicant_rx_eapol_bridge(void *ctx, const u8 *src_addr, |
3577 | const u8 *buf, size_t len) | |
3578 | { | |
3579 | struct wpa_supplicant *wpa_s = ctx; | |
3580 | const struct l2_ethhdr *eth; | |
3581 | ||
3582 | if (len < sizeof(*eth)) | |
3583 | return; | |
3584 | eth = (const struct l2_ethhdr *) buf; | |
3585 | ||
3586 | if (os_memcmp(eth->h_dest, wpa_s->own_addr, ETH_ALEN) != 0 && | |
3587 | !(eth->h_dest[0] & 0x01)) { | |
3588 | wpa_dbg(wpa_s, MSG_DEBUG, "RX EAPOL from " MACSTR " to " MACSTR | |
3589 | " (bridge - not for this interface - ignore)", | |
3590 | MAC2STR(src_addr), MAC2STR(eth->h_dest)); | |
3591 | return; | |
3592 | } | |
3593 | ||
3594 | wpa_dbg(wpa_s, MSG_DEBUG, "RX EAPOL from " MACSTR " to " MACSTR | |
3595 | " (bridge)", MAC2STR(src_addr), MAC2STR(eth->h_dest)); | |
3596 | wpa_supplicant_rx_eapol(wpa_s, src_addr, buf + sizeof(*eth), | |
3597 | len - sizeof(*eth)); | |
3598 | } | |
3599 | ||
3600 | ||
bfba8deb JM |
3601 | /** |
3602 | * wpa_supplicant_driver_init - Initialize driver interface parameters | |
3603 | * @wpa_s: Pointer to wpa_supplicant data | |
3604 | * Returns: 0 on success, -1 on failure | |
3605 | * | |
3606 | * This function is called to initialize driver interface parameters. | |
3607 | * wpa_drv_init() must have been called before this function to initialize the | |
3608 | * driver interface. | |
3609 | */ | |
3610 | int wpa_supplicant_driver_init(struct wpa_supplicant *wpa_s) | |
3611 | { | |
3612 | static int interface_count = 0; | |
3613 | ||
3614 | if (wpa_supplicant_update_mac_addr(wpa_s) < 0) | |
3615 | return -1; | |
3616 | ||
c68f6200 AS |
3617 | wpa_dbg(wpa_s, MSG_DEBUG, "Own MAC address: " MACSTR, |
3618 | MAC2STR(wpa_s->own_addr)); | |
a313d17d | 3619 | os_memcpy(wpa_s->perm_addr, wpa_s->own_addr, ETH_ALEN); |
c68f6200 AS |
3620 | wpa_sm_set_own_addr(wpa_s->wpa, wpa_s->own_addr); |
3621 | ||
6fc6879b | 3622 | if (wpa_s->bridge_ifname[0]) { |
f049052b BG |
3623 | wpa_dbg(wpa_s, MSG_DEBUG, "Receiving packets from bridge " |
3624 | "interface '%s'", wpa_s->bridge_ifname); | |
e6dd8196 JM |
3625 | wpa_s->l2_br = l2_packet_init_bridge( |
3626 | wpa_s->bridge_ifname, wpa_s->ifname, wpa_s->own_addr, | |
3627 | ETH_P_EAPOL, wpa_supplicant_rx_eapol_bridge, wpa_s, 1); | |
6fc6879b | 3628 | if (wpa_s->l2_br == NULL) { |
f049052b BG |
3629 | wpa_msg(wpa_s, MSG_ERROR, "Failed to open l2_packet " |
3630 | "connection for the bridge interface '%s'", | |
3631 | wpa_s->bridge_ifname); | |
6fc6879b JM |
3632 | return -1; |
3633 | } | |
3634 | } | |
3635 | ||
8406cd35 JM |
3636 | if (wpa_s->conf->ap_scan == 2 && |
3637 | os_strcmp(wpa_s->driver->name, "nl80211") == 0) { | |
3638 | wpa_printf(MSG_INFO, | |
3639 | "Note: nl80211 driver interface is not designed to be used with ap_scan=2; this can result in connection failures"); | |
3640 | } | |
3641 | ||
6fc6879b JM |
3642 | wpa_clear_keys(wpa_s, NULL); |
3643 | ||
3644 | /* Make sure that TKIP countermeasures are not left enabled (could | |
3645 | * happen if wpa_supplicant is killed during countermeasures. */ | |
3646 | wpa_drv_set_countermeasures(wpa_s, 0); | |
3647 | ||
f049052b | 3648 | wpa_dbg(wpa_s, MSG_DEBUG, "RSN: flushing PMKID list in the driver"); |
6fc6879b JM |
3649 | wpa_drv_flush_pmkid(wpa_s); |
3650 | ||
ba2a573c | 3651 | wpa_s->prev_scan_ssid = WILDCARD_SSID_SCAN; |
b3aa456b ES |
3652 | wpa_s->prev_scan_wildcard = 0; |
3653 | ||
349493bd | 3654 | if (wpa_supplicant_enabled_networks(wpa_s)) { |
a0e9d892 AS |
3655 | if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) { |
3656 | wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); | |
3657 | interface_count = 0; | |
3658 | } | |
ee82e33d | 3659 | #ifndef ANDROID |
3a94adbf | 3660 | if (!wpa_s->p2p_mgmt && |
5d0d72a3 BG |
3661 | wpa_supplicant_delayed_sched_scan(wpa_s, |
3662 | interface_count % 3, | |
6a90053c | 3663 | 100000)) |
5d0d72a3 | 3664 | wpa_supplicant_req_scan(wpa_s, interface_count % 3, |
a4cba8f1 | 3665 | 100000); |
ee82e33d | 3666 | #endif /* ANDROID */ |
74e259ec JM |
3667 | interface_count++; |
3668 | } else | |
3669 | wpa_supplicant_set_state(wpa_s, WPA_INACTIVE); | |
6fc6879b JM |
3670 | |
3671 | return 0; | |
3672 | } | |
3673 | ||
3674 | ||
3675 | static int wpa_supplicant_daemon(const char *pid_file) | |
3676 | { | |
3677 | wpa_printf(MSG_DEBUG, "Daemonize.."); | |
3678 | return os_daemonize(pid_file); | |
3679 | } | |
3680 | ||
3681 | ||
1772d348 JM |
3682 | static struct wpa_supplicant * |
3683 | wpa_supplicant_alloc(struct wpa_supplicant *parent) | |
6fc6879b JM |
3684 | { |
3685 | struct wpa_supplicant *wpa_s; | |
3686 | ||
3687 | wpa_s = os_zalloc(sizeof(*wpa_s)); | |
3688 | if (wpa_s == NULL) | |
3689 | return NULL; | |
4115303b | 3690 | wpa_s->scan_req = INITIAL_SCAN_REQ; |
67b9bd08 | 3691 | wpa_s->scan_interval = 5; |
c302f207 | 3692 | wpa_s->new_connection = 1; |
1772d348 | 3693 | wpa_s->parent = parent ? parent : wpa_s; |
ba307f85 | 3694 | wpa_s->p2pdev = wpa_s->parent; |
cbdf3507 | 3695 | wpa_s->sched_scanning = 0; |
6fc6879b | 3696 | |
dd599908 AS |
3697 | dl_list_init(&wpa_s->bss_tmp_disallowed); |
3698 | ||
6fc6879b JM |
3699 | return wpa_s; |
3700 | } | |
3701 | ||
3702 | ||
80e8a5ee BG |
3703 | #ifdef CONFIG_HT_OVERRIDES |
3704 | ||
3705 | static int wpa_set_htcap_mcs(struct wpa_supplicant *wpa_s, | |
3706 | struct ieee80211_ht_capabilities *htcaps, | |
3707 | struct ieee80211_ht_capabilities *htcaps_mask, | |
3708 | const char *ht_mcs) | |
3709 | { | |
3710 | /* parse ht_mcs into hex array */ | |
3711 | int i; | |
3712 | const char *tmp = ht_mcs; | |
3713 | char *end = NULL; | |
3714 | ||
3715 | /* If ht_mcs is null, do not set anything */ | |
3716 | if (!ht_mcs) | |
3717 | return 0; | |
3718 | ||
3719 | /* This is what we are setting in the kernel */ | |
3720 | os_memset(&htcaps->supported_mcs_set, 0, IEEE80211_HT_MCS_MASK_LEN); | |
3721 | ||
3722 | wpa_msg(wpa_s, MSG_DEBUG, "set_htcap, ht_mcs -:%s:-", ht_mcs); | |
3723 | ||
3724 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) { | |
3725 | errno = 0; | |
3726 | long v = strtol(tmp, &end, 16); | |
3727 | if (errno == 0) { | |
3728 | wpa_msg(wpa_s, MSG_DEBUG, | |
3729 | "htcap value[%i]: %ld end: %p tmp: %p", | |
3730 | i, v, end, tmp); | |
3731 | if (end == tmp) | |
3732 | break; | |
3733 | ||
3734 | htcaps->supported_mcs_set[i] = v; | |
3735 | tmp = end; | |
3736 | } else { | |
3737 | wpa_msg(wpa_s, MSG_ERROR, | |
3738 | "Failed to parse ht-mcs: %s, error: %s\n", | |
3739 | ht_mcs, strerror(errno)); | |
3740 | return -1; | |
3741 | } | |
3742 | } | |
3743 | ||
3744 | /* | |
3745 | * If we were able to parse any values, then set mask for the MCS set. | |
3746 | */ | |
3747 | if (i) { | |
3748 | os_memset(&htcaps_mask->supported_mcs_set, 0xff, | |
3749 | IEEE80211_HT_MCS_MASK_LEN - 1); | |
3750 | /* skip the 3 reserved bits */ | |
3751 | htcaps_mask->supported_mcs_set[IEEE80211_HT_MCS_MASK_LEN - 1] = | |
3752 | 0x1f; | |
3753 | } | |
3754 | ||
3755 | return 0; | |
3756 | } | |
3757 | ||
3758 | ||
3759 | static int wpa_disable_max_amsdu(struct wpa_supplicant *wpa_s, | |
3760 | struct ieee80211_ht_capabilities *htcaps, | |
3761 | struct ieee80211_ht_capabilities *htcaps_mask, | |
3762 | int disabled) | |
3763 | { | |
5bc28571 | 3764 | le16 msk; |
80e8a5ee BG |
3765 | |
3766 | wpa_msg(wpa_s, MSG_DEBUG, "set_disable_max_amsdu: %d", disabled); | |
3767 | ||
3768 | if (disabled == -1) | |
3769 | return 0; | |
3770 | ||
3771 | msk = host_to_le16(HT_CAP_INFO_MAX_AMSDU_SIZE); | |
3772 | htcaps_mask->ht_capabilities_info |= msk; | |
3773 | if (disabled) | |
3774 | htcaps->ht_capabilities_info &= msk; | |
3775 | else | |
3776 | htcaps->ht_capabilities_info |= msk; | |
3777 | ||
3778 | return 0; | |
3779 | } | |
3780 | ||
3781 | ||
3782 | static int wpa_set_ampdu_factor(struct wpa_supplicant *wpa_s, | |
3783 | struct ieee80211_ht_capabilities *htcaps, | |
3784 | struct ieee80211_ht_capabilities *htcaps_mask, | |
3785 | int factor) | |
3786 | { | |
3787 | wpa_msg(wpa_s, MSG_DEBUG, "set_ampdu_factor: %d", factor); | |
3788 | ||
3789 | if (factor == -1) | |
3790 | return 0; | |
3791 | ||
3792 | if (factor < 0 || factor > 3) { | |
3793 | wpa_msg(wpa_s, MSG_ERROR, "ampdu_factor: %d out of range. " | |
3794 | "Must be 0-3 or -1", factor); | |
3795 | return -EINVAL; | |
3796 | } | |
3797 | ||
3798 | htcaps_mask->a_mpdu_params |= 0x3; /* 2 bits for factor */ | |
3799 | htcaps->a_mpdu_params &= ~0x3; | |
3800 | htcaps->a_mpdu_params |= factor & 0x3; | |
3801 | ||
3802 | return 0; | |
3803 | } | |
3804 | ||
3805 | ||
3806 | static int wpa_set_ampdu_density(struct wpa_supplicant *wpa_s, | |
3807 | struct ieee80211_ht_capabilities *htcaps, | |
3808 | struct ieee80211_ht_capabilities *htcaps_mask, | |
3809 | int density) | |
3810 | { | |
3811 | wpa_msg(wpa_s, MSG_DEBUG, "set_ampdu_density: %d", density); | |
3812 | ||
3813 | if (density == -1) | |
3814 | return 0; | |
3815 | ||
3816 | if (density < 0 || density > 7) { | |
3817 | wpa_msg(wpa_s, MSG_ERROR, | |
3818 | "ampdu_density: %d out of range. Must be 0-7 or -1.", | |
3819 | density); | |
3820 | return -EINVAL; | |
3821 | } | |
3822 | ||
3823 | htcaps_mask->a_mpdu_params |= 0x1C; | |
3824 | htcaps->a_mpdu_params &= ~(0x1C); | |
3825 | htcaps->a_mpdu_params |= (density << 2) & 0x1C; | |
3826 | ||
3827 | return 0; | |
3828 | } | |
3829 | ||
3830 | ||
3831 | static int wpa_set_disable_ht40(struct wpa_supplicant *wpa_s, | |
3832 | struct ieee80211_ht_capabilities *htcaps, | |
3833 | struct ieee80211_ht_capabilities *htcaps_mask, | |
3834 | int disabled) | |
3835 | { | |
3836 | /* Masking these out disables HT40 */ | |
5bc28571 JM |
3837 | le16 msk = host_to_le16(HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET | |
3838 | HT_CAP_INFO_SHORT_GI40MHZ); | |
80e8a5ee BG |
3839 | |
3840 | wpa_msg(wpa_s, MSG_DEBUG, "set_disable_ht40: %d", disabled); | |
3841 | ||
3842 | if (disabled) | |
3843 | htcaps->ht_capabilities_info &= ~msk; | |
3844 | else | |
3845 | htcaps->ht_capabilities_info |= msk; | |
3846 | ||
3847 | htcaps_mask->ht_capabilities_info |= msk; | |
3848 | ||
3849 | return 0; | |
3850 | } | |
3851 | ||
3852 | ||
a90497f8 BG |
3853 | static int wpa_set_disable_sgi(struct wpa_supplicant *wpa_s, |
3854 | struct ieee80211_ht_capabilities *htcaps, | |
3855 | struct ieee80211_ht_capabilities *htcaps_mask, | |
3856 | int disabled) | |
3857 | { | |
3858 | /* Masking these out disables SGI */ | |
5bc28571 JM |
3859 | le16 msk = host_to_le16(HT_CAP_INFO_SHORT_GI20MHZ | |
3860 | HT_CAP_INFO_SHORT_GI40MHZ); | |
a90497f8 BG |
3861 | |
3862 | wpa_msg(wpa_s, MSG_DEBUG, "set_disable_sgi: %d", disabled); | |
3863 | ||
3864 | if (disabled) | |
3865 | htcaps->ht_capabilities_info &= ~msk; | |
3866 | else | |
3867 | htcaps->ht_capabilities_info |= msk; | |
3868 | ||
3869 | htcaps_mask->ht_capabilities_info |= msk; | |
3870 | ||
3871 | return 0; | |
3872 | } | |
3873 | ||
3874 | ||
39a5800f PK |
3875 | static int wpa_set_disable_ldpc(struct wpa_supplicant *wpa_s, |
3876 | struct ieee80211_ht_capabilities *htcaps, | |
3877 | struct ieee80211_ht_capabilities *htcaps_mask, | |
3878 | int disabled) | |
3879 | { | |
3880 | /* Masking these out disables LDPC */ | |
5bc28571 | 3881 | le16 msk = host_to_le16(HT_CAP_INFO_LDPC_CODING_CAP); |
39a5800f PK |
3882 | |
3883 | wpa_msg(wpa_s, MSG_DEBUG, "set_disable_ldpc: %d", disabled); | |
3884 | ||
3885 | if (disabled) | |
3886 | htcaps->ht_capabilities_info &= ~msk; | |
3887 | else | |
3888 | htcaps->ht_capabilities_info |= msk; | |
3889 | ||
3890 | htcaps_mask->ht_capabilities_info |= msk; | |
3891 | ||
3892 | return 0; | |
3893 | } | |
3894 | ||
3895 | ||
80e8a5ee BG |
3896 | void wpa_supplicant_apply_ht_overrides( |
3897 | struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid, | |
3898 | struct wpa_driver_associate_params *params) | |
3899 | { | |
3900 | struct ieee80211_ht_capabilities *htcaps; | |
3901 | struct ieee80211_ht_capabilities *htcaps_mask; | |
3902 | ||
3903 | if (!ssid) | |
3904 | return; | |
3905 | ||
3906 | params->disable_ht = ssid->disable_ht; | |
3907 | if (!params->htcaps || !params->htcaps_mask) | |
3908 | return; | |
3909 | ||
3910 | htcaps = (struct ieee80211_ht_capabilities *) params->htcaps; | |
3911 | htcaps_mask = (struct ieee80211_ht_capabilities *) params->htcaps_mask; | |
3912 | wpa_set_htcap_mcs(wpa_s, htcaps, htcaps_mask, ssid->ht_mcs); | |
3913 | wpa_disable_max_amsdu(wpa_s, htcaps, htcaps_mask, | |
3914 | ssid->disable_max_amsdu); | |
3915 | wpa_set_ampdu_factor(wpa_s, htcaps, htcaps_mask, ssid->ampdu_factor); | |
3916 | wpa_set_ampdu_density(wpa_s, htcaps, htcaps_mask, ssid->ampdu_density); | |
3917 | wpa_set_disable_ht40(wpa_s, htcaps, htcaps_mask, ssid->disable_ht40); | |
a90497f8 | 3918 | wpa_set_disable_sgi(wpa_s, htcaps, htcaps_mask, ssid->disable_sgi); |
39a5800f | 3919 | wpa_set_disable_ldpc(wpa_s, htcaps, htcaps_mask, ssid->disable_ldpc); |
d41cc8cc JM |
3920 | |
3921 | if (ssid->ht40_intolerant) { | |
5bc28571 | 3922 | le16 bit = host_to_le16(HT_CAP_INFO_40MHZ_INTOLERANT); |
d41cc8cc JM |
3923 | htcaps->ht_capabilities_info |= bit; |
3924 | htcaps_mask->ht_capabilities_info |= bit; | |
3925 | } | |
80e8a5ee BG |
3926 | } |
3927 | ||
3928 | #endif /* CONFIG_HT_OVERRIDES */ | |
3929 | ||
3930 | ||
e9ee8dc3 JB |
3931 | #ifdef CONFIG_VHT_OVERRIDES |
3932 | void wpa_supplicant_apply_vht_overrides( | |
3933 | struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid, | |
3934 | struct wpa_driver_associate_params *params) | |
3935 | { | |
3936 | struct ieee80211_vht_capabilities *vhtcaps; | |
3937 | struct ieee80211_vht_capabilities *vhtcaps_mask; | |
3938 | ||
3939 | if (!ssid) | |
3940 | return; | |
3941 | ||
3942 | params->disable_vht = ssid->disable_vht; | |
3943 | ||
3944 | vhtcaps = (void *) params->vhtcaps; | |
3945 | vhtcaps_mask = (void *) params->vhtcaps_mask; | |
3946 | ||
3947 | if (!vhtcaps || !vhtcaps_mask) | |
3948 | return; | |
3949 | ||
4d8d710f JM |
3950 | vhtcaps->vht_capabilities_info = host_to_le32(ssid->vht_capa); |
3951 | vhtcaps_mask->vht_capabilities_info = host_to_le32(ssid->vht_capa_mask); | |
e9ee8dc3 | 3952 | |
4f560cde EP |
3953 | #ifdef CONFIG_HT_OVERRIDES |
3954 | /* if max ampdu is <= 3, we have to make the HT cap the same */ | |
b0f33467 JM |
3955 | if (ssid->vht_capa_mask & VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MAX) { |
3956 | int max_ampdu; | |
3957 | ||
3958 | max_ampdu = (ssid->vht_capa & | |
3959 | VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MAX) >> | |
3960 | VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MAX_SHIFT; | |
4f560cde EP |
3961 | |
3962 | max_ampdu = max_ampdu < 3 ? max_ampdu : 3; | |
3963 | wpa_set_ampdu_factor(wpa_s, | |
3964 | (void *) params->htcaps, | |
3965 | (void *) params->htcaps_mask, | |
3966 | max_ampdu); | |
3967 | } | |
3968 | #endif /* CONFIG_HT_OVERRIDES */ | |
3969 | ||
e9ee8dc3 JB |
3970 | #define OVERRIDE_MCS(i) \ |
3971 | if (ssid->vht_tx_mcs_nss_ ##i >= 0) { \ | |
3972 | vhtcaps_mask->vht_supported_mcs_set.tx_map |= \ | |
4d8d710f | 3973 | host_to_le16(3 << 2 * (i - 1)); \ |
e9ee8dc3 | 3974 | vhtcaps->vht_supported_mcs_set.tx_map |= \ |
4d8d710f JM |
3975 | host_to_le16(ssid->vht_tx_mcs_nss_ ##i << \ |
3976 | 2 * (i - 1)); \ | |
e9ee8dc3 JB |
3977 | } \ |
3978 | if (ssid->vht_rx_mcs_nss_ ##i >= 0) { \ | |
3979 | vhtcaps_mask->vht_supported_mcs_set.rx_map |= \ | |
4d8d710f | 3980 | host_to_le16(3 << 2 * (i - 1)); \ |
e9ee8dc3 | 3981 | vhtcaps->vht_supported_mcs_set.rx_map |= \ |
4d8d710f JM |
3982 | host_to_le16(ssid->vht_rx_mcs_nss_ ##i << \ |
3983 | 2 * (i - 1)); \ | |
e9ee8dc3 JB |
3984 | } |
3985 | ||
3986 | OVERRIDE_MCS(1); | |
3987 | OVERRIDE_MCS(2); | |
3988 | OVERRIDE_MCS(3); | |
3989 | OVERRIDE_MCS(4); | |
3990 | OVERRIDE_MCS(5); | |
3991 | OVERRIDE_MCS(6); | |
3992 | OVERRIDE_MCS(7); | |
3993 | OVERRIDE_MCS(8); | |
3994 | } | |
3995 | #endif /* CONFIG_VHT_OVERRIDES */ | |
3996 | ||
3997 | ||
f64adcd7 JM |
3998 | static int pcsc_reader_init(struct wpa_supplicant *wpa_s) |
3999 | { | |
4000 | #ifdef PCSC_FUNCS | |
4001 | size_t len; | |
4002 | ||
4003 | if (!wpa_s->conf->pcsc_reader) | |
4004 | return 0; | |
4005 | ||
22cf7d73 | 4006 | wpa_s->scard = scard_init(wpa_s->conf->pcsc_reader); |
f64adcd7 JM |
4007 | if (!wpa_s->scard) |
4008 | return 1; | |
4009 | ||
4010 | if (wpa_s->conf->pcsc_pin && | |
4011 | scard_set_pin(wpa_s->scard, wpa_s->conf->pcsc_pin) < 0) { | |
4012 | scard_deinit(wpa_s->scard); | |
4013 | wpa_s->scard = NULL; | |
4014 | wpa_msg(wpa_s, MSG_ERROR, "PC/SC PIN validation failed"); | |
4015 | return -1; | |
4016 | } | |
4017 | ||
4018 | len = sizeof(wpa_s->imsi) - 1; | |
4019 | if (scard_get_imsi(wpa_s->scard, wpa_s->imsi, &len)) { | |
4020 | scard_deinit(wpa_s->scard); | |
4021 | wpa_s->scard = NULL; | |
4022 | wpa_msg(wpa_s, MSG_ERROR, "Could not read IMSI"); | |
4023 | return -1; | |
4024 | } | |
4025 | wpa_s->imsi[len] = '\0'; | |
4026 | ||
4027 | wpa_s->mnc_len = scard_get_mnc_len(wpa_s->scard); | |
4028 | ||
4029 | wpa_printf(MSG_DEBUG, "SCARD: IMSI %s (MNC length %d)", | |
4030 | wpa_s->imsi, wpa_s->mnc_len); | |
4031 | ||
4032 | wpa_sm_set_scard_ctx(wpa_s->wpa, wpa_s->scard); | |
4033 | eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard); | |
4034 | #endif /* PCSC_FUNCS */ | |
4035 | ||
4036 | return 0; | |
4037 | } | |
4038 | ||
4039 | ||
306ae225 JM |
4040 | int wpas_init_ext_pw(struct wpa_supplicant *wpa_s) |
4041 | { | |
4042 | char *val, *pos; | |
4043 | ||
4044 | ext_password_deinit(wpa_s->ext_pw); | |
4045 | wpa_s->ext_pw = NULL; | |
4046 | eapol_sm_set_ext_pw_ctx(wpa_s->eapol, NULL); | |
4047 | ||
4048 | if (!wpa_s->conf->ext_password_backend) | |
4049 | return 0; | |
4050 | ||
4051 | val = os_strdup(wpa_s->conf->ext_password_backend); | |
4052 | if (val == NULL) | |
4053 | return -1; | |
4054 | pos = os_strchr(val, ':'); | |
4055 | if (pos) | |
4056 | *pos++ = '\0'; | |
4057 | ||
4058 | wpa_printf(MSG_DEBUG, "EXT PW: Initialize backend '%s'", val); | |
4059 | ||
4060 | wpa_s->ext_pw = ext_password_init(val, pos); | |
4061 | os_free(val); | |
4062 | if (wpa_s->ext_pw == NULL) { | |
4063 | wpa_printf(MSG_DEBUG, "EXT PW: Failed to initialize backend"); | |
4064 | return -1; | |
4065 | } | |
4066 | eapol_sm_set_ext_pw_ctx(wpa_s->eapol, wpa_s->ext_pw); | |
4067 | ||
4068 | return 0; | |
4069 | } | |
4070 | ||
4071 | ||
b36a3a65 AN |
4072 | #ifdef CONFIG_FST |
4073 | ||
4074 | static const u8 * wpas_fst_get_bssid_cb(void *ctx) | |
4075 | { | |
4076 | struct wpa_supplicant *wpa_s = ctx; | |
4077 | ||
4078 | return (is_zero_ether_addr(wpa_s->bssid) || | |
4079 | wpa_s->wpa_state != WPA_COMPLETED) ? NULL : wpa_s->bssid; | |
4080 | } | |
4081 | ||
4082 | ||
4083 | static void wpas_fst_get_channel_info_cb(void *ctx, | |
4084 | enum hostapd_hw_mode *hw_mode, | |
4085 | u8 *channel) | |
4086 | { | |
4087 | struct wpa_supplicant *wpa_s = ctx; | |
4088 | ||
4089 | if (wpa_s->current_bss) { | |
4090 | *hw_mode = ieee80211_freq_to_chan(wpa_s->current_bss->freq, | |
4091 | channel); | |
4092 | } else if (wpa_s->hw.num_modes) { | |
4093 | *hw_mode = wpa_s->hw.modes[0].mode; | |
4094 | } else { | |
4095 | WPA_ASSERT(0); | |
4096 | *hw_mode = 0; | |
4097 | } | |
4098 | } | |
4099 | ||
4100 | ||
4101 | static int wpas_fst_get_hw_modes(void *ctx, struct hostapd_hw_modes **modes) | |
4102 | { | |
4103 | struct wpa_supplicant *wpa_s = ctx; | |
4104 | ||
4105 | *modes = wpa_s->hw.modes; | |
4106 | return wpa_s->hw.num_modes; | |
4107 | } | |
4108 | ||
4109 | ||
84bcb4e7 | 4110 | static void wpas_fst_set_ies_cb(void *ctx, const struct wpabuf *fst_ies) |
b36a3a65 AN |
4111 | { |
4112 | struct wpa_supplicant *wpa_s = ctx; | |
4113 | ||
b7a07937 | 4114 | wpa_hexdump_buf(MSG_DEBUG, "FST: Set IEs", fst_ies); |
b36a3a65 AN |
4115 | wpa_s->fst_ies = fst_ies; |
4116 | } | |
4117 | ||
4118 | ||
4119 | static int wpas_fst_send_action_cb(void *ctx, const u8 *da, struct wpabuf *data) | |
4120 | { | |
4121 | struct wpa_supplicant *wpa_s = ctx; | |
4122 | ||
4123 | WPA_ASSERT(os_memcmp(wpa_s->bssid, da, ETH_ALEN) == 0); | |
4124 | return wpa_drv_send_action(wpa_s, wpa_s->assoc_freq, 0, wpa_s->bssid, | |
4125 | wpa_s->own_addr, wpa_s->bssid, | |
4126 | wpabuf_head(data), wpabuf_len(data), | |
4127 | 0); | |
4128 | } | |
4129 | ||
4130 | ||
a0f04da5 | 4131 | static const struct wpabuf * wpas_fst_get_mb_ie_cb(void *ctx, const u8 *addr) |
b36a3a65 AN |
4132 | { |
4133 | struct wpa_supplicant *wpa_s = ctx; | |
4134 | ||
4135 | WPA_ASSERT(os_memcmp(wpa_s->bssid, addr, ETH_ALEN) == 0); | |
4136 | return wpa_s->received_mb_ies; | |
4137 | } | |
4138 | ||
4139 | ||
4140 | static void wpas_fst_update_mb_ie_cb(void *ctx, const u8 *addr, | |
4141 | const u8 *buf, size_t size) | |
4142 | { | |
4143 | struct wpa_supplicant *wpa_s = ctx; | |
4144 | struct mb_ies_info info; | |
4145 | ||
4146 | WPA_ASSERT(os_memcmp(wpa_s->bssid, addr, ETH_ALEN) == 0); | |
4147 | ||
4148 | if (!mb_ies_info_by_ies(&info, buf, size)) { | |
4149 | wpabuf_free(wpa_s->received_mb_ies); | |
4150 | wpa_s->received_mb_ies = mb_ies_by_info(&info); | |
4151 | } | |
4152 | } | |
4153 | ||
4154 | ||
39cdd3a0 JM |
4155 | static const u8 * wpas_fst_get_peer_first(void *ctx, |
4156 | struct fst_get_peer_ctx **get_ctx, | |
4157 | Boolean mb_only) | |
b36a3a65 AN |
4158 | { |
4159 | struct wpa_supplicant *wpa_s = ctx; | |
4160 | ||
4161 | *get_ctx = NULL; | |
4162 | if (!is_zero_ether_addr(wpa_s->bssid)) | |
4163 | return (wpa_s->received_mb_ies || !mb_only) ? | |
4164 | wpa_s->bssid : NULL; | |
4165 | return NULL; | |
4166 | } | |
4167 | ||
4168 | ||
39cdd3a0 JM |
4169 | static const u8 * wpas_fst_get_peer_next(void *ctx, |
4170 | struct fst_get_peer_ctx **get_ctx, | |
4171 | Boolean mb_only) | |
b36a3a65 AN |
4172 | { |
4173 | return NULL; | |
4174 | } | |
4175 | ||
4176 | void fst_wpa_supplicant_fill_iface_obj(struct wpa_supplicant *wpa_s, | |
4177 | struct fst_wpa_obj *iface_obj) | |
4178 | { | |
4179 | iface_obj->ctx = wpa_s; | |
4180 | iface_obj->get_bssid = wpas_fst_get_bssid_cb; | |
4181 | iface_obj->get_channel_info = wpas_fst_get_channel_info_cb; | |
4182 | iface_obj->get_hw_modes = wpas_fst_get_hw_modes; | |
4183 | iface_obj->set_ies = wpas_fst_set_ies_cb; | |
4184 | iface_obj->send_action = wpas_fst_send_action_cb; | |
4185 | iface_obj->get_mb_ie = wpas_fst_get_mb_ie_cb; | |
4186 | iface_obj->update_mb_ie = wpas_fst_update_mb_ie_cb; | |
4187 | iface_obj->get_peer_first = wpas_fst_get_peer_first; | |
4188 | iface_obj->get_peer_next = wpas_fst_get_peer_next; | |
4189 | } | |
4190 | #endif /* CONFIG_FST */ | |
4191 | ||
a520bf4a | 4192 | static int wpas_set_wowlan_triggers(struct wpa_supplicant *wpa_s, |
6cbdb0c5 | 4193 | const struct wpa_driver_capa *capa) |
e4fa8b12 | 4194 | { |
88cb27c7 DS |
4195 | struct wowlan_triggers *triggers; |
4196 | int ret = 0; | |
e4fa8b12 EP |
4197 | |
4198 | if (!wpa_s->conf->wowlan_triggers) | |
4199 | return 0; | |
4200 | ||
88cb27c7 DS |
4201 | triggers = wpa_get_wowlan_triggers(wpa_s->conf->wowlan_triggers, capa); |
4202 | if (triggers) { | |
4203 | ret = wpa_drv_wowlan(wpa_s, triggers); | |
4204 | os_free(triggers); | |
e4fa8b12 | 4205 | } |
e4fa8b12 EP |
4206 | return ret; |
4207 | } | |
4208 | ||
4209 | ||
2b6e9f91 | 4210 | enum wpa_radio_work_band wpas_freq_to_band(int freq) |
e903d32d KV |
4211 | { |
4212 | if (freq < 3000) | |
4213 | return BAND_2_4_GHZ; | |
4214 | if (freq > 50000) | |
4215 | return BAND_60_GHZ; | |
4216 | return BAND_5_GHZ; | |
4217 | } | |
4218 | ||
4219 | ||
2b6e9f91 | 4220 | unsigned int wpas_get_bands(struct wpa_supplicant *wpa_s, const int *freqs) |
e903d32d KV |
4221 | { |
4222 | int i; | |
4223 | unsigned int band = 0; | |
4224 | ||
4225 | if (freqs) { | |
4226 | /* freqs are specified for the radio work */ | |
4227 | for (i = 0; freqs[i]; i++) | |
4228 | band |= wpas_freq_to_band(freqs[i]); | |
4229 | } else { | |
4230 | /* | |
4231 | * freqs are not specified, implies all | |
4232 | * the supported freqs by HW | |
4233 | */ | |
4234 | for (i = 0; i < wpa_s->hw.num_modes; i++) { | |
4235 | if (wpa_s->hw.modes[i].num_channels != 0) { | |
4236 | if (wpa_s->hw.modes[i].mode == | |
4237 | HOSTAPD_MODE_IEEE80211B || | |
4238 | wpa_s->hw.modes[i].mode == | |
4239 | HOSTAPD_MODE_IEEE80211G) | |
4240 | band |= BAND_2_4_GHZ; | |
4241 | else if (wpa_s->hw.modes[i].mode == | |
4242 | HOSTAPD_MODE_IEEE80211A) | |
4243 | band |= BAND_5_GHZ; | |
4244 | else if (wpa_s->hw.modes[i].mode == | |
4245 | HOSTAPD_MODE_IEEE80211AD) | |
4246 | band |= BAND_60_GHZ; | |
4247 | else if (wpa_s->hw.modes[i].mode == | |
4248 | HOSTAPD_MODE_IEEE80211ANY) | |
4249 | band = BAND_2_4_GHZ | BAND_5_GHZ | | |
4250 | BAND_60_GHZ; | |
4251 | } | |
4252 | } | |
4253 | } | |
4254 | ||
4255 | return band; | |
4256 | } | |
4257 | ||
4258 | ||
202dec2a JM |
4259 | static struct wpa_radio * radio_add_interface(struct wpa_supplicant *wpa_s, |
4260 | const char *rn) | |
4261 | { | |
4262 | struct wpa_supplicant *iface = wpa_s->global->ifaces; | |
4263 | struct wpa_radio *radio; | |
4264 | ||
4265 | while (rn && iface) { | |
4266 | radio = iface->radio; | |
4267 | if (radio && os_strcmp(rn, radio->name) == 0) { | |
4268 | wpa_printf(MSG_DEBUG, "Add interface %s to existing radio %s", | |
4269 | wpa_s->ifname, rn); | |
4270 | dl_list_add(&radio->ifaces, &wpa_s->radio_list); | |
4271 | return radio; | |
4272 | } | |
b154a24e TB |
4273 | |
4274 | iface = iface->next; | |
202dec2a JM |
4275 | } |
4276 | ||
4277 | wpa_printf(MSG_DEBUG, "Add interface %s to a new radio %s", | |
4278 | wpa_s->ifname, rn ? rn : "N/A"); | |
4279 | radio = os_zalloc(sizeof(*radio)); | |
4280 | if (radio == NULL) | |
4281 | return NULL; | |
4282 | ||
4283 | if (rn) | |
4284 | os_strlcpy(radio->name, rn, sizeof(radio->name)); | |
4285 | dl_list_init(&radio->ifaces); | |
b1ae396f | 4286 | dl_list_init(&radio->work); |
202dec2a JM |
4287 | dl_list_add(&radio->ifaces, &wpa_s->radio_list); |
4288 | ||
4289 | return radio; | |
4290 | } | |
4291 | ||
4292 | ||
b1ae396f JM |
4293 | static void radio_work_free(struct wpa_radio_work *work) |
4294 | { | |
d12a51b5 JM |
4295 | if (work->wpa_s->scan_work == work) { |
4296 | /* This should not really happen. */ | |
4297 | wpa_dbg(work->wpa_s, MSG_INFO, "Freeing radio work '%s'@%p (started=%d) that is marked as scan_work", | |
4298 | work->type, work, work->started); | |
4299 | work->wpa_s->scan_work = NULL; | |
4300 | } | |
4301 | ||
1b5d4714 JM |
4302 | #ifdef CONFIG_P2P |
4303 | if (work->wpa_s->p2p_scan_work == work) { | |
4304 | /* This should not really happen. */ | |
4305 | wpa_dbg(work->wpa_s, MSG_INFO, "Freeing radio work '%s'@%p (started=%d) that is marked as p2p_scan_work", | |
4306 | work->type, work, work->started); | |
4307 | work->wpa_s->p2p_scan_work = NULL; | |
4308 | } | |
4309 | #endif /* CONFIG_P2P */ | |
4310 | ||
e903d32d KV |
4311 | if (work->started) { |
4312 | work->wpa_s->radio->num_active_works--; | |
4313 | wpa_dbg(work->wpa_s, MSG_DEBUG, | |
4314 | "radio_work_free('%s'@%p: num_active_works --> %u", | |
4315 | work->type, work, | |
4316 | work->wpa_s->radio->num_active_works); | |
4317 | } | |
4318 | ||
b1ae396f JM |
4319 | dl_list_del(&work->list); |
4320 | os_free(work); | |
4321 | } | |
4322 | ||
4323 | ||
e903d32d KV |
4324 | static struct wpa_radio_work * radio_work_get_next_work(struct wpa_radio *radio) |
4325 | { | |
4326 | struct wpa_radio_work *active_work = NULL; | |
4327 | struct wpa_radio_work *tmp; | |
4328 | ||
4329 | /* Get the active work to know the type and band. */ | |
4330 | dl_list_for_each(tmp, &radio->work, struct wpa_radio_work, list) { | |
4331 | if (tmp->started) { | |
4332 | active_work = tmp; | |
4333 | break; | |
4334 | } | |
4335 | } | |
4336 | ||
4337 | if (!active_work) { | |
4338 | /* No active work, start one */ | |
4339 | radio->num_active_works = 0; | |
4340 | dl_list_for_each(tmp, &radio->work, struct wpa_radio_work, | |
4341 | list) { | |
4342 | if (os_strcmp(tmp->type, "scan") == 0 && | |
4343 | radio->external_scan_running && | |
4344 | (((struct wpa_driver_scan_params *) | |
4345 | tmp->ctx)->only_new_results || | |
4346 | tmp->wpa_s->clear_driver_scan_cache)) | |
4347 | continue; | |
4348 | return tmp; | |
4349 | } | |
4350 | return NULL; | |
4351 | } | |
4352 | ||
4353 | if (os_strcmp(active_work->type, "sme-connect") == 0 || | |
4354 | os_strcmp(active_work->type, "connect") == 0) { | |
4355 | /* | |
4356 | * If the active work is either connect or sme-connect, | |
4357 | * do not parallelize them with other radio works. | |
4358 | */ | |
4359 | wpa_dbg(active_work->wpa_s, MSG_DEBUG, | |
4360 | "Do not parallelize radio work with %s", | |
4361 | active_work->type); | |
4362 | return NULL; | |
4363 | } | |
4364 | ||
4365 | dl_list_for_each(tmp, &radio->work, struct wpa_radio_work, list) { | |
4366 | if (tmp->started) | |
4367 | continue; | |
4368 | ||
4369 | /* | |
4370 | * If connect or sme-connect are enqueued, parallelize only | |
4371 | * those operations ahead of them in the queue. | |
4372 | */ | |
4373 | if (os_strcmp(tmp->type, "connect") == 0 || | |
4374 | os_strcmp(tmp->type, "sme-connect") == 0) | |
4375 | break; | |
4376 | ||
4377 | /* | |
4378 | * Check that the radio works are distinct and | |
4379 | * on different bands. | |
4380 | */ | |
4381 | if (os_strcmp(active_work->type, tmp->type) != 0 && | |
4382 | (active_work->bands != tmp->bands)) { | |
4383 | /* | |
4384 | * If a scan has to be scheduled through nl80211 scan | |
4385 | * interface and if an external scan is already running, | |
4386 | * do not schedule the scan since it is likely to get | |
4387 | * rejected by kernel. | |
4388 | */ | |
4389 | if (os_strcmp(tmp->type, "scan") == 0 && | |
4390 | radio->external_scan_running && | |
4391 | (((struct wpa_driver_scan_params *) | |
4392 | tmp->ctx)->only_new_results || | |
4393 | tmp->wpa_s->clear_driver_scan_cache)) | |
4394 | continue; | |
4395 | ||
4396 | wpa_dbg(active_work->wpa_s, MSG_DEBUG, | |
4397 | "active_work:%s new_work:%s", | |
4398 | active_work->type, tmp->type); | |
4399 | return tmp; | |
4400 | } | |
4401 | } | |
4402 | ||
4403 | /* Did not find a radio work to schedule in parallel. */ | |
4404 | return NULL; | |
4405 | } | |
4406 | ||
4407 | ||
b1ae396f JM |
4408 | static void radio_start_next_work(void *eloop_ctx, void *timeout_ctx) |
4409 | { | |
4410 | struct wpa_radio *radio = eloop_ctx; | |
4411 | struct wpa_radio_work *work; | |
4412 | struct os_reltime now, diff; | |
6428d0a7 | 4413 | struct wpa_supplicant *wpa_s; |
b1ae396f JM |
4414 | |
4415 | work = dl_list_first(&radio->work, struct wpa_radio_work, list); | |
e903d32d KV |
4416 | if (work == NULL) { |
4417 | radio->num_active_works = 0; | |
b1ae396f | 4418 | return; |
e903d32d | 4419 | } |
b1ae396f | 4420 | |
6428d0a7 JM |
4421 | wpa_s = dl_list_first(&radio->ifaces, struct wpa_supplicant, |
4422 | radio_list); | |
e903d32d KV |
4423 | |
4424 | if (!(wpa_s && | |
4425 | wpa_s->drv_flags & WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS)) { | |
4426 | if (work->started) | |
4427 | return; /* already started and still in progress */ | |
4428 | ||
4429 | if (wpa_s && wpa_s->radio->external_scan_running) { | |
4430 | wpa_printf(MSG_DEBUG, "Delay radio work start until externally triggered scan completes"); | |
4431 | return; | |
4432 | } | |
4433 | } else { | |
4434 | work = NULL; | |
4435 | if (radio->num_active_works < MAX_ACTIVE_WORKS) { | |
4436 | /* get the work to schedule next */ | |
4437 | work = radio_work_get_next_work(radio); | |
4438 | } | |
4439 | if (!work) | |
4440 | return; | |
6428d0a7 JM |
4441 | } |
4442 | ||
e903d32d | 4443 | wpa_s = work->wpa_s; |
b1ae396f JM |
4444 | os_get_reltime(&now); |
4445 | os_reltime_sub(&now, &work->time, &diff); | |
e903d32d KV |
4446 | wpa_dbg(wpa_s, MSG_DEBUG, |
4447 | "Starting radio work '%s'@%p after %ld.%06ld second wait", | |
b1ae396f JM |
4448 | work->type, work, diff.sec, diff.usec); |
4449 | work->started = 1; | |
4450 | work->time = now; | |
e903d32d KV |
4451 | radio->num_active_works++; |
4452 | ||
b1ae396f | 4453 | work->cb(work, 0); |
e903d32d KV |
4454 | |
4455 | if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS) && | |
4456 | radio->num_active_works < MAX_ACTIVE_WORKS) | |
4457 | radio_work_check_next(wpa_s); | |
b1ae396f JM |
4458 | } |
4459 | ||
4460 | ||
b3253ebb AO |
4461 | /* |
4462 | * This function removes both started and pending radio works running on | |
4463 | * the provided interface's radio. | |
4464 | * Prior to the removal of the radio work, its callback (cb) is called with | |
4465 | * deinit set to be 1. Each work's callback is responsible for clearing its | |
4466 | * internal data and restoring to a correct state. | |
4467 | * @wpa_s: wpa_supplicant data | |
4468 | * @type: type of works to be removed | |
4469 | * @remove_all: 1 to remove all the works on this radio, 0 to remove only | |
4470 | * this interface's works. | |
4471 | */ | |
4472 | void radio_remove_works(struct wpa_supplicant *wpa_s, | |
4473 | const char *type, int remove_all) | |
b1ae396f JM |
4474 | { |
4475 | struct wpa_radio_work *work, *tmp; | |
4476 | struct wpa_radio *radio = wpa_s->radio; | |
4477 | ||
4478 | dl_list_for_each_safe(work, tmp, &radio->work, struct wpa_radio_work, | |
4479 | list) { | |
b3253ebb | 4480 | if (type && os_strcmp(type, work->type) != 0) |
b1ae396f | 4481 | continue; |
b3253ebb AO |
4482 | |
4483 | /* skip other ifaces' works */ | |
4484 | if (!remove_all && work->wpa_s != wpa_s) | |
b1ae396f | 4485 | continue; |
b3253ebb AO |
4486 | |
4487 | wpa_dbg(wpa_s, MSG_DEBUG, "Remove radio work '%s'@%p%s", | |
4488 | work->type, work, work->started ? " (started)" : ""); | |
b1ae396f JM |
4489 | work->cb(work, 1); |
4490 | radio_work_free(work); | |
4491 | } | |
b3253ebb AO |
4492 | |
4493 | /* in case we removed the started work */ | |
4494 | radio_work_check_next(wpa_s); | |
b1ae396f JM |
4495 | } |
4496 | ||
4497 | ||
202dec2a JM |
4498 | static void radio_remove_interface(struct wpa_supplicant *wpa_s) |
4499 | { | |
4500 | struct wpa_radio *radio = wpa_s->radio; | |
4501 | ||
4502 | if (!radio) | |
4503 | return; | |
4504 | ||
4505 | wpa_printf(MSG_DEBUG, "Remove interface %s from radio %s", | |
4506 | wpa_s->ifname, radio->name); | |
4507 | dl_list_del(&wpa_s->radio_list); | |
c46235aa AO |
4508 | radio_remove_works(wpa_s, NULL, 0); |
4509 | wpa_s->radio = NULL; | |
4510 | if (!dl_list_empty(&radio->ifaces)) | |
202dec2a JM |
4511 | return; /* Interfaces remain for this radio */ |
4512 | ||
4513 | wpa_printf(MSG_DEBUG, "Remove radio %s", radio->name); | |
b1ae396f | 4514 | eloop_cancel_timeout(radio_start_next_work, radio, NULL); |
202dec2a JM |
4515 | os_free(radio); |
4516 | } | |
4517 | ||
4518 | ||
6428d0a7 | 4519 | void radio_work_check_next(struct wpa_supplicant *wpa_s) |
b1ae396f JM |
4520 | { |
4521 | struct wpa_radio *radio = wpa_s->radio; | |
4522 | ||
4523 | if (dl_list_empty(&radio->work)) | |
4524 | return; | |
e3745228 JM |
4525 | if (wpa_s->ext_work_in_progress) { |
4526 | wpa_printf(MSG_DEBUG, | |
4527 | "External radio work in progress - delay start of pending item"); | |
4528 | return; | |
4529 | } | |
b1ae396f JM |
4530 | eloop_cancel_timeout(radio_start_next_work, radio, NULL); |
4531 | eloop_register_timeout(0, 0, radio_start_next_work, radio, NULL); | |
4532 | } | |
4533 | ||
4534 | ||
4535 | /** | |
4536 | * radio_add_work - Add a radio work item | |
4537 | * @wpa_s: Pointer to wpa_supplicant data | |
4538 | * @freq: Frequency of the offchannel operation in MHz or 0 | |
4539 | * @type: Unique identifier for each type of work | |
4540 | * @next: Force as the next work to be executed | |
4541 | * @cb: Callback function for indicating when radio is available | |
4542 | * @ctx: Context pointer for the work (work->ctx in cb()) | |
4543 | * Returns: 0 on success, -1 on failure | |
4544 | * | |
4545 | * This function is used to request time for an operation that requires | |
4546 | * exclusive radio control. Once the radio is available, the registered callback | |
4547 | * function will be called. radio_work_done() must be called once the exclusive | |
4548 | * radio operation has been completed, so that the radio is freed for other | |
4549 | * operations. The special case of deinit=1 is used to free the context data | |
4550 | * during interface removal. That does not allow the callback function to start | |
4551 | * the radio operation, i.e., it must free any resources allocated for the radio | |
4552 | * work and return. | |
4553 | * | |
4554 | * The @freq parameter can be used to indicate a single channel on which the | |
4555 | * offchannel operation will occur. This may allow multiple radio work | |
4556 | * operations to be performed in parallel if they apply for the same channel. | |
4557 | * Setting this to 0 indicates that the work item may use multiple channels or | |
4558 | * requires exclusive control of the radio. | |
4559 | */ | |
4560 | int radio_add_work(struct wpa_supplicant *wpa_s, unsigned int freq, | |
4561 | const char *type, int next, | |
4562 | void (*cb)(struct wpa_radio_work *work, int deinit), | |
4563 | void *ctx) | |
4564 | { | |
e903d32d | 4565 | struct wpa_radio *radio = wpa_s->radio; |
b1ae396f JM |
4566 | struct wpa_radio_work *work; |
4567 | int was_empty; | |
4568 | ||
4569 | work = os_zalloc(sizeof(*work)); | |
4570 | if (work == NULL) | |
4571 | return -1; | |
4572 | wpa_dbg(wpa_s, MSG_DEBUG, "Add radio work '%s'@%p", type, work); | |
4573 | os_get_reltime(&work->time); | |
4574 | work->freq = freq; | |
4575 | work->type = type; | |
4576 | work->wpa_s = wpa_s; | |
4577 | work->cb = cb; | |
4578 | work->ctx = ctx; | |
4579 | ||
e903d32d KV |
4580 | if (freq) |
4581 | work->bands = wpas_freq_to_band(freq); | |
4582 | else if (os_strcmp(type, "scan") == 0 || | |
4583 | os_strcmp(type, "p2p-scan") == 0) | |
4584 | work->bands = wpas_get_bands(wpa_s, | |
4585 | ((struct wpa_driver_scan_params *) | |
4586 | ctx)->freqs); | |
4587 | else | |
4588 | work->bands = wpas_get_bands(wpa_s, NULL); | |
4589 | ||
b1ae396f JM |
4590 | was_empty = dl_list_empty(&wpa_s->radio->work); |
4591 | if (next) | |
4592 | dl_list_add(&wpa_s->radio->work, &work->list); | |
4593 | else | |
4594 | dl_list_add_tail(&wpa_s->radio->work, &work->list); | |
4595 | if (was_empty) { | |
4596 | wpa_dbg(wpa_s, MSG_DEBUG, "First radio work item in the queue - schedule start immediately"); | |
4597 | radio_work_check_next(wpa_s); | |
e903d32d KV |
4598 | } else if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS) |
4599 | && radio->num_active_works < MAX_ACTIVE_WORKS) { | |
4600 | wpa_dbg(wpa_s, MSG_DEBUG, | |
4601 | "Try to schedule a radio work (num_active_works=%u)", | |
4602 | radio->num_active_works); | |
4603 | radio_work_check_next(wpa_s); | |
b1ae396f JM |
4604 | } |
4605 | ||
4606 | return 0; | |
4607 | } | |
4608 | ||
4609 | ||
4610 | /** | |
4611 | * radio_work_done - Indicate that a radio work item has been completed | |
4612 | * @work: Completed work | |
4613 | * | |
4614 | * This function is called once the callback function registered with | |
4615 | * radio_add_work() has completed its work. | |
4616 | */ | |
4617 | void radio_work_done(struct wpa_radio_work *work) | |
4618 | { | |
4619 | struct wpa_supplicant *wpa_s = work->wpa_s; | |
4620 | struct os_reltime now, diff; | |
1f965e62 | 4621 | unsigned int started = work->started; |
b1ae396f JM |
4622 | |
4623 | os_get_reltime(&now); | |
4624 | os_reltime_sub(&now, &work->time, &diff); | |
1f965e62 JM |
4625 | wpa_dbg(wpa_s, MSG_DEBUG, "Radio work '%s'@%p %s in %ld.%06ld seconds", |
4626 | work->type, work, started ? "done" : "canceled", | |
4627 | diff.sec, diff.usec); | |
b1ae396f | 4628 | radio_work_free(work); |
1f965e62 JM |
4629 | if (started) |
4630 | radio_work_check_next(wpa_s); | |
b1ae396f JM |
4631 | } |
4632 | ||
4633 | ||
a7f5271d JM |
4634 | struct wpa_radio_work * |
4635 | radio_work_pending(struct wpa_supplicant *wpa_s, const char *type) | |
f0e30c84 JM |
4636 | { |
4637 | struct wpa_radio_work *work; | |
4638 | struct wpa_radio *radio = wpa_s->radio; | |
4639 | ||
4640 | dl_list_for_each(work, &radio->work, struct wpa_radio_work, list) { | |
4641 | if (work->wpa_s == wpa_s && os_strcmp(work->type, type) == 0) | |
a7f5271d | 4642 | return work; |
f0e30c84 JM |
4643 | } |
4644 | ||
a7f5271d | 4645 | return NULL; |
f0e30c84 JM |
4646 | } |
4647 | ||
4648 | ||
73c00fd7 JM |
4649 | static int wpas_init_driver(struct wpa_supplicant *wpa_s, |
4650 | struct wpa_interface *iface) | |
4651 | { | |
202dec2a | 4652 | const char *ifname, *driver, *rn; |
73c00fd7 JM |
4653 | |
4654 | driver = iface->driver; | |
4655 | next_driver: | |
4656 | if (wpa_supplicant_set_driver(wpa_s, driver) < 0) | |
4657 | return -1; | |
4658 | ||
4659 | wpa_s->drv_priv = wpa_drv_init(wpa_s, wpa_s->ifname); | |
4660 | if (wpa_s->drv_priv == NULL) { | |
4661 | const char *pos; | |
4662 | pos = driver ? os_strchr(driver, ',') : NULL; | |
4663 | if (pos) { | |
4664 | wpa_dbg(wpa_s, MSG_DEBUG, "Failed to initialize " | |
4665 | "driver interface - try next driver wrapper"); | |
4666 | driver = pos + 1; | |
4667 | goto next_driver; | |
4668 | } | |
4669 | wpa_msg(wpa_s, MSG_ERROR, "Failed to initialize driver " | |
4670 | "interface"); | |
4671 | return -1; | |
4672 | } | |
4673 | if (wpa_drv_set_param(wpa_s, wpa_s->conf->driver_param) < 0) { | |
4674 | wpa_msg(wpa_s, MSG_ERROR, "Driver interface rejected " | |
4675 | "driver_param '%s'", wpa_s->conf->driver_param); | |
4676 | return -1; | |
4677 | } | |
4678 | ||
4679 | ifname = wpa_drv_get_ifname(wpa_s); | |
4680 | if (ifname && os_strcmp(ifname, wpa_s->ifname) != 0) { | |
4681 | wpa_dbg(wpa_s, MSG_DEBUG, "Driver interface replaced " | |
4682 | "interface name with '%s'", ifname); | |
4683 | os_strlcpy(wpa_s->ifname, ifname, sizeof(wpa_s->ifname)); | |
4684 | } | |
4685 | ||
95bf699f | 4686 | rn = wpa_driver_get_radio_name(wpa_s); |
202dec2a JM |
4687 | if (rn && rn[0] == '\0') |
4688 | rn = NULL; | |
4689 | ||
4690 | wpa_s->radio = radio_add_interface(wpa_s, rn); | |
4691 | if (wpa_s->radio == NULL) | |
4692 | return -1; | |
4693 | ||
73c00fd7 JM |
4694 | return 0; |
4695 | } | |
4696 | ||
4697 | ||
6fc6879b JM |
4698 | static int wpa_supplicant_init_iface(struct wpa_supplicant *wpa_s, |
4699 | struct wpa_interface *iface) | |
4700 | { | |
362f781e | 4701 | struct wpa_driver_capa capa; |
6cbdb0c5 | 4702 | int capa_res; |
362f781e | 4703 | |
6fc6879b JM |
4704 | wpa_printf(MSG_DEBUG, "Initializing interface '%s' conf '%s' driver " |
4705 | "'%s' ctrl_interface '%s' bridge '%s'", iface->ifname, | |
4706 | iface->confname ? iface->confname : "N/A", | |
4707 | iface->driver ? iface->driver : "default", | |
4708 | iface->ctrl_interface ? iface->ctrl_interface : "N/A", | |
4709 | iface->bridge_ifname ? iface->bridge_ifname : "N/A"); | |
4710 | ||
6fc6879b JM |
4711 | if (iface->confname) { |
4712 | #ifdef CONFIG_BACKEND_FILE | |
4713 | wpa_s->confname = os_rel2abs_path(iface->confname); | |
4714 | if (wpa_s->confname == NULL) { | |
4715 | wpa_printf(MSG_ERROR, "Failed to get absolute path " | |
4716 | "for configuration file '%s'.", | |
4717 | iface->confname); | |
4718 | return -1; | |
4719 | } | |
4720 | wpa_printf(MSG_DEBUG, "Configuration file '%s' -> '%s'", | |
4721 | iface->confname, wpa_s->confname); | |
4722 | #else /* CONFIG_BACKEND_FILE */ | |
4723 | wpa_s->confname = os_strdup(iface->confname); | |
4724 | #endif /* CONFIG_BACKEND_FILE */ | |
e6304cad | 4725 | wpa_s->conf = wpa_config_read(wpa_s->confname, NULL); |
6fc6879b JM |
4726 | if (wpa_s->conf == NULL) { |
4727 | wpa_printf(MSG_ERROR, "Failed to read or parse " | |
4728 | "configuration '%s'.", wpa_s->confname); | |
4729 | return -1; | |
4730 | } | |
e6304cad DS |
4731 | wpa_s->confanother = os_rel2abs_path(iface->confanother); |
4732 | wpa_config_read(wpa_s->confanother, wpa_s->conf); | |
6fc6879b JM |
4733 | |
4734 | /* | |
4735 | * Override ctrl_interface and driver_param if set on command | |
4736 | * line. | |
4737 | */ | |
4738 | if (iface->ctrl_interface) { | |
4739 | os_free(wpa_s->conf->ctrl_interface); | |
4740 | wpa_s->conf->ctrl_interface = | |
4741 | os_strdup(iface->ctrl_interface); | |
4742 | } | |
4743 | ||
4744 | if (iface->driver_param) { | |
4745 | os_free(wpa_s->conf->driver_param); | |
4746 | wpa_s->conf->driver_param = | |
4747 | os_strdup(iface->driver_param); | |
4748 | } | |
78f79fe5 JM |
4749 | |
4750 | if (iface->p2p_mgmt && !iface->ctrl_interface) { | |
4751 | os_free(wpa_s->conf->ctrl_interface); | |
4752 | wpa_s->conf->ctrl_interface = NULL; | |
4753 | } | |
6fc6879b JM |
4754 | } else |
4755 | wpa_s->conf = wpa_config_alloc_empty(iface->ctrl_interface, | |
4756 | iface->driver_param); | |
4757 | ||
4758 | if (wpa_s->conf == NULL) { | |
4759 | wpa_printf(MSG_ERROR, "\nNo configuration found."); | |
4760 | return -1; | |
4761 | } | |
4762 | ||
4763 | if (iface->ifname == NULL) { | |
4764 | wpa_printf(MSG_ERROR, "\nInterface name is required."); | |
4765 | return -1; | |
4766 | } | |
4767 | if (os_strlen(iface->ifname) >= sizeof(wpa_s->ifname)) { | |
4768 | wpa_printf(MSG_ERROR, "\nToo long interface name '%s'.", | |
4769 | iface->ifname); | |
4770 | return -1; | |
4771 | } | |
4772 | os_strlcpy(wpa_s->ifname, iface->ifname, sizeof(wpa_s->ifname)); | |
4773 | ||
4774 | if (iface->bridge_ifname) { | |
4775 | if (os_strlen(iface->bridge_ifname) >= | |
4776 | sizeof(wpa_s->bridge_ifname)) { | |
4777 | wpa_printf(MSG_ERROR, "\nToo long bridge interface " | |
4778 | "name '%s'.", iface->bridge_ifname); | |
4779 | return -1; | |
4780 | } | |
4781 | os_strlcpy(wpa_s->bridge_ifname, iface->bridge_ifname, | |
4782 | sizeof(wpa_s->bridge_ifname)); | |
4783 | } | |
4784 | ||
6fc6879b JM |
4785 | /* RSNA Supplicant Key Management - INITIALIZE */ |
4786 | eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE); | |
4787 | eapol_sm_notify_portValid(wpa_s->eapol, FALSE); | |
4788 | ||
4789 | /* Initialize driver interface and register driver event handler before | |
4790 | * L2 receive handler so that association events are processed before | |
4791 | * EAPOL-Key packets if both become available for the same select() | |
4792 | * call. */ | |
73c00fd7 | 4793 | if (wpas_init_driver(wpa_s, iface) < 0) |
362f781e JM |
4794 | return -1; |
4795 | ||
6fc6879b JM |
4796 | if (wpa_supplicant_init_wpa(wpa_s) < 0) |
4797 | return -1; | |
4798 | ||
4799 | wpa_sm_set_ifname(wpa_s->wpa, wpa_s->ifname, | |
4800 | wpa_s->bridge_ifname[0] ? wpa_s->bridge_ifname : | |
4801 | NULL); | |
4802 | wpa_sm_set_fast_reauth(wpa_s->wpa, wpa_s->conf->fast_reauth); | |
4803 | ||
4804 | if (wpa_s->conf->dot11RSNAConfigPMKLifetime && | |
4805 | wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME, | |
4806 | wpa_s->conf->dot11RSNAConfigPMKLifetime)) { | |
f049052b BG |
4807 | wpa_msg(wpa_s, MSG_ERROR, "Invalid WPA parameter value for " |
4808 | "dot11RSNAConfigPMKLifetime"); | |
6fc6879b JM |
4809 | return -1; |
4810 | } | |
4811 | ||
4812 | if (wpa_s->conf->dot11RSNAConfigPMKReauthThreshold && | |
4813 | wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD, | |
4814 | wpa_s->conf->dot11RSNAConfigPMKReauthThreshold)) { | |
f049052b | 4815 | wpa_msg(wpa_s, MSG_ERROR, "Invalid WPA parameter value for " |
6fc6879b JM |
4816 | "dot11RSNAConfigPMKReauthThreshold"); |
4817 | return -1; | |
4818 | } | |
4819 | ||
4820 | if (wpa_s->conf->dot11RSNAConfigSATimeout && | |
4821 | wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, | |
4822 | wpa_s->conf->dot11RSNAConfigSATimeout)) { | |
f049052b BG |
4823 | wpa_msg(wpa_s, MSG_ERROR, "Invalid WPA parameter value for " |
4824 | "dot11RSNAConfigSATimeout"); | |
6fc6879b JM |
4825 | return -1; |
4826 | } | |
4827 | ||
6bf731e8 CL |
4828 | wpa_s->hw.modes = wpa_drv_get_hw_feature_data(wpa_s, |
4829 | &wpa_s->hw.num_modes, | |
4830 | &wpa_s->hw.flags); | |
a1b790eb JM |
4831 | if (wpa_s->hw.modes) { |
4832 | u16 i; | |
4833 | ||
4834 | for (i = 0; i < wpa_s->hw.num_modes; i++) { | |
4835 | if (wpa_s->hw.modes[i].vht_capab) { | |
4836 | wpa_s->hw_capab = CAPAB_VHT; | |
4837 | break; | |
4838 | } | |
4839 | ||
4840 | if (wpa_s->hw.modes[i].ht_capab & | |
4841 | HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET) | |
4842 | wpa_s->hw_capab = CAPAB_HT40; | |
4843 | else if (wpa_s->hw.modes[i].ht_capab && | |
4844 | wpa_s->hw_capab == CAPAB_NO_HT_VHT) | |
4845 | wpa_s->hw_capab = CAPAB_HT; | |
4846 | } | |
4847 | } | |
6bf731e8 | 4848 | |
6cbdb0c5 JM |
4849 | capa_res = wpa_drv_get_capa(wpa_s, &capa); |
4850 | if (capa_res == 0) { | |
c58ab8f2 | 4851 | wpa_s->drv_capa_known = 1; |
814782b9 | 4852 | wpa_s->drv_flags = capa.flags; |
349493bd | 4853 | wpa_s->drv_enc = capa.enc; |
04ee647d | 4854 | wpa_s->drv_smps_modes = capa.smps_modes; |
f936b73c | 4855 | wpa_s->drv_rrm_flags = capa.rrm_flags; |
4f73d88a | 4856 | wpa_s->probe_resp_offloads = capa.probe_resp_offloads; |
814782b9 | 4857 | wpa_s->max_scan_ssids = capa.max_scan_ssids; |
cbdf3507 | 4858 | wpa_s->max_sched_scan_ssids = capa.max_sched_scan_ssids; |
32c02261 AS |
4859 | wpa_s->max_sched_scan_plans = capa.max_sched_scan_plans; |
4860 | wpa_s->max_sched_scan_plan_interval = | |
4861 | capa.max_sched_scan_plan_interval; | |
4862 | wpa_s->max_sched_scan_plan_iterations = | |
4863 | capa.max_sched_scan_plan_iterations; | |
cbdf3507 | 4864 | wpa_s->sched_scan_supported = capa.sched_scan_supported; |
b59e6f26 | 4865 | wpa_s->max_match_sets = capa.max_match_sets; |
814782b9 | 4866 | wpa_s->max_remain_on_chan = capa.max_remain_on_chan; |
c4ea4c5c | 4867 | wpa_s->max_stations = capa.max_stations; |
8cd6b7bc JB |
4868 | wpa_s->extended_capa = capa.extended_capa; |
4869 | wpa_s->extended_capa_mask = capa.extended_capa_mask; | |
4870 | wpa_s->extended_capa_len = capa.extended_capa_len; | |
4752147d IP |
4871 | wpa_s->num_multichan_concurrent = |
4872 | capa.num_multichan_concurrent; | |
471cd6e1 | 4873 | wpa_s->wmm_ac_supported = capa.wmm_ac_supported; |
56c76fa5 IP |
4874 | |
4875 | if (capa.mac_addr_rand_scan_supported) | |
4876 | wpa_s->mac_addr_rand_supported |= MAC_ADDR_RAND_SCAN; | |
4877 | if (wpa_s->sched_scan_supported && | |
4878 | capa.mac_addr_rand_sched_scan_supported) | |
4879 | wpa_s->mac_addr_rand_supported |= | |
4880 | (MAC_ADDR_RAND_SCHED_SCAN | MAC_ADDR_RAND_PNO); | |
814782b9 JM |
4881 | } |
4882 | if (wpa_s->max_remain_on_chan == 0) | |
4883 | wpa_s->max_remain_on_chan = 1000; | |
4884 | ||
c68f6200 AS |
4885 | /* |
4886 | * Only take p2p_mgmt parameters when P2P Device is supported. | |
4887 | * Doing it here as it determines whether l2_packet_init() will be done | |
4888 | * during wpa_supplicant_driver_init(). | |
4889 | */ | |
4890 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE) | |
4891 | wpa_s->p2p_mgmt = iface->p2p_mgmt; | |
4892 | else | |
4893 | iface->p2p_mgmt = 1; | |
4894 | ||
4752147d IP |
4895 | if (wpa_s->num_multichan_concurrent == 0) |
4896 | wpa_s->num_multichan_concurrent = 1; | |
4897 | ||
6fc6879b JM |
4898 | if (wpa_supplicant_driver_init(wpa_s) < 0) |
4899 | return -1; | |
4900 | ||
281ff0aa | 4901 | #ifdef CONFIG_TDLS |
1c42b42f JM |
4902 | if ((!iface->p2p_mgmt || |
4903 | !(wpa_s->drv_flags & | |
4904 | WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)) && | |
4905 | wpa_tdls_init(wpa_s->wpa)) | |
281ff0aa GP |
4906 | return -1; |
4907 | #endif /* CONFIG_TDLS */ | |
4908 | ||
315ce40a JM |
4909 | if (wpa_s->conf->country[0] && wpa_s->conf->country[1] && |
4910 | wpa_drv_set_country(wpa_s, wpa_s->conf->country)) { | |
f049052b | 4911 | wpa_dbg(wpa_s, MSG_DEBUG, "Failed to set country"); |
6d158490 LR |
4912 | return -1; |
4913 | } | |
4914 | ||
b36a3a65 AN |
4915 | #ifdef CONFIG_FST |
4916 | if (wpa_s->conf->fst_group_id) { | |
4917 | struct fst_iface_cfg cfg; | |
4918 | struct fst_wpa_obj iface_obj; | |
4919 | ||
4920 | fst_wpa_supplicant_fill_iface_obj(wpa_s, &iface_obj); | |
4921 | os_strlcpy(cfg.group_id, wpa_s->conf->fst_group_id, | |
4922 | sizeof(cfg.group_id)); | |
4923 | cfg.priority = wpa_s->conf->fst_priority; | |
4924 | cfg.llt = wpa_s->conf->fst_llt; | |
4925 | ||
4926 | wpa_s->fst = fst_attach(wpa_s->ifname, wpa_s->own_addr, | |
4927 | &iface_obj, &cfg); | |
4928 | if (!wpa_s->fst) { | |
4929 | wpa_msg(wpa_s, MSG_ERROR, | |
4930 | "FST: Cannot attach iface %s to group %s", | |
4931 | wpa_s->ifname, cfg.group_id); | |
4932 | return -1; | |
4933 | } | |
4934 | } | |
4935 | #endif /* CONFIG_FST */ | |
4936 | ||
116654ce JM |
4937 | if (wpas_wps_init(wpa_s)) |
4938 | return -1; | |
4939 | ||
6fc6879b JM |
4940 | if (wpa_supplicant_init_eapol(wpa_s) < 0) |
4941 | return -1; | |
4942 | wpa_sm_set_eapol(wpa_s->wpa, wpa_s->eapol); | |
4943 | ||
4944 | wpa_s->ctrl_iface = wpa_supplicant_ctrl_iface_init(wpa_s); | |
4945 | if (wpa_s->ctrl_iface == NULL) { | |
4946 | wpa_printf(MSG_ERROR, | |
4947 | "Failed to initialize control interface '%s'.\n" | |
4948 | "You may have another wpa_supplicant process " | |
4949 | "already running or the file was\n" | |
4950 | "left by an unclean termination of wpa_supplicant " | |
4951 | "in which case you will need\n" | |
4952 | "to manually remove this file before starting " | |
4953 | "wpa_supplicant again.\n", | |
4954 | wpa_s->conf->ctrl_interface); | |
4955 | return -1; | |
4956 | } | |
4957 | ||
04ea7b79 JM |
4958 | wpa_s->gas = gas_query_init(wpa_s); |
4959 | if (wpa_s->gas == NULL) { | |
4960 | wpa_printf(MSG_ERROR, "Failed to initialize GAS query"); | |
4961 | return -1; | |
4962 | } | |
4963 | ||
c68f6200 | 4964 | if (iface->p2p_mgmt && wpas_p2p_init(wpa_s->global, wpa_s) < 0) { |
f049052b | 4965 | wpa_msg(wpa_s, MSG_ERROR, "Failed to init P2P"); |
b22128ef JM |
4966 | return -1; |
4967 | } | |
b22128ef | 4968 | |
83922c2d JM |
4969 | if (wpa_bss_init(wpa_s) < 0) |
4970 | return -1; | |
83922c2d | 4971 | |
e4fa8b12 EP |
4972 | /* |
4973 | * Set Wake-on-WLAN triggers, if configured. | |
4974 | * Note: We don't restore/remove the triggers on shutdown (it doesn't | |
4975 | * have effect anyway when the interface is down). | |
4976 | */ | |
6cbdb0c5 | 4977 | if (capa_res == 0 && wpas_set_wowlan_triggers(wpa_s, &capa) < 0) |
e4fa8b12 EP |
4978 | return -1; |
4979 | ||
ec7b97ab JM |
4980 | #ifdef CONFIG_EAP_PROXY |
4981 | { | |
4982 | size_t len; | |
07041c6f NJ |
4983 | wpa_s->mnc_len = eapol_sm_get_eap_proxy_imsi(wpa_s->eapol, wpa_s->imsi, |
4984 | &len); | |
ec7b97ab JM |
4985 | if (wpa_s->mnc_len > 0) { |
4986 | wpa_s->imsi[len] = '\0'; | |
4987 | wpa_printf(MSG_DEBUG, "eap_proxy: IMSI %s (MNC length %d)", | |
4988 | wpa_s->imsi, wpa_s->mnc_len); | |
4989 | } else { | |
4990 | wpa_printf(MSG_DEBUG, "eap_proxy: IMSI not available"); | |
4991 | } | |
4992 | } | |
4993 | #endif /* CONFIG_EAP_PROXY */ | |
4994 | ||
f64adcd7 JM |
4995 | if (pcsc_reader_init(wpa_s) < 0) |
4996 | return -1; | |
4997 | ||
306ae225 JM |
4998 | if (wpas_init_ext_pw(wpa_s) < 0) |
4999 | return -1; | |
5000 | ||
b361d580 AK |
5001 | wpas_rrm_reset(wpa_s); |
5002 | ||
32c02261 AS |
5003 | wpas_sched_scan_plans_set(wpa_s, wpa_s->conf->sched_scan_plans); |
5004 | ||
ca9968a0 JM |
5005 | #ifdef CONFIG_HS20 |
5006 | hs20_init(wpa_s); | |
5007 | #endif /* CONFIG_HS20 */ | |
92c6e2e3 DS |
5008 | #ifdef CONFIG_MBO |
5009 | wpas_mbo_update_non_pref_chan(wpa_s, wpa_s->conf->non_pref_chan); | |
5010 | #endif /* CONFIG_MBO */ | |
ca9968a0 | 5011 | |
cc9985d1 | 5012 | wpa_supplicant_set_default_scan_ies(wpa_s); |
5013 | ||
6fc6879b JM |
5014 | return 0; |
5015 | } | |
5016 | ||
5017 | ||
2ee055b3 | 5018 | static void wpa_supplicant_deinit_iface(struct wpa_supplicant *wpa_s, |
df509539 | 5019 | int notify, int terminate) |
6fc6879b | 5020 | { |
26fc96e8 JM |
5021 | struct wpa_global *global = wpa_s->global; |
5022 | struct wpa_supplicant *iface, *prev; | |
5023 | ||
5024 | if (wpa_s == wpa_s->parent) | |
5025 | wpas_p2p_group_remove(wpa_s, "*"); | |
5026 | ||
5027 | iface = global->ifaces; | |
5028 | while (iface) { | |
96a26ab7 LD |
5029 | if (iface->p2pdev == wpa_s) |
5030 | iface->p2pdev = iface->parent; | |
26fc96e8 JM |
5031 | if (iface == wpa_s || iface->parent != wpa_s) { |
5032 | iface = iface->next; | |
5033 | continue; | |
5034 | } | |
5035 | wpa_printf(MSG_DEBUG, | |
5036 | "Remove remaining child interface %s from parent %s", | |
5037 | iface->ifname, wpa_s->ifname); | |
5038 | prev = iface; | |
5039 | iface = iface->next; | |
5040 | wpa_supplicant_remove_iface(global, prev, terminate); | |
5041 | } | |
5042 | ||
e679f140 | 5043 | wpa_s->disconnected = 1; |
6fc6879b JM |
5044 | if (wpa_s->drv_priv) { |
5045 | wpa_supplicant_deauthenticate(wpa_s, | |
5046 | WLAN_REASON_DEAUTH_LEAVING); | |
5047 | ||
6fc6879b JM |
5048 | wpa_drv_set_countermeasures(wpa_s, 0); |
5049 | wpa_clear_keys(wpa_s, NULL); | |
5050 | } | |
5051 | ||
8e56d189 | 5052 | wpa_supplicant_cleanup(wpa_s); |
bd10d938 | 5053 | wpas_p2p_deinit_iface(wpa_s); |
ab28911d | 5054 | |
1f965e62 | 5055 | wpas_ctrl_radio_work_flush(wpa_s); |
202dec2a JM |
5056 | radio_remove_interface(wpa_s); |
5057 | ||
b36a3a65 AN |
5058 | #ifdef CONFIG_FST |
5059 | if (wpa_s->fst) { | |
5060 | fst_detach(wpa_s->fst); | |
5061 | wpa_s->fst = NULL; | |
5062 | } | |
5063 | if (wpa_s->received_mb_ies) { | |
5064 | wpabuf_free(wpa_s->received_mb_ies); | |
5065 | wpa_s->received_mb_ies = NULL; | |
5066 | } | |
5067 | #endif /* CONFIG_FST */ | |
5068 | ||
6fc6879b JM |
5069 | if (wpa_s->drv_priv) |
5070 | wpa_drv_deinit(wpa_s); | |
2523ff6e DS |
5071 | |
5072 | if (notify) | |
5073 | wpas_notify_iface_removed(wpa_s); | |
f0811516 DS |
5074 | |
5075 | if (terminate) | |
5076 | wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_TERMINATING); | |
5077 | ||
5078 | if (wpa_s->ctrl_iface) { | |
5079 | wpa_supplicant_ctrl_iface_deinit(wpa_s->ctrl_iface); | |
5080 | wpa_s->ctrl_iface = NULL; | |
5081 | } | |
5082 | ||
603a3f34 JL |
5083 | #ifdef CONFIG_MESH |
5084 | if (wpa_s->ifmsh) { | |
5085 | wpa_supplicant_mesh_iface_deinit(wpa_s, wpa_s->ifmsh); | |
5086 | wpa_s->ifmsh = NULL; | |
5087 | } | |
5088 | #endif /* CONFIG_MESH */ | |
5089 | ||
f0811516 DS |
5090 | if (wpa_s->conf != NULL) { |
5091 | wpa_config_free(wpa_s->conf); | |
5092 | wpa_s->conf = NULL; | |
5093 | } | |
18e00b5e | 5094 | |
a80651d0 KV |
5095 | os_free(wpa_s->ssids_from_scan_req); |
5096 | ||
18e00b5e | 5097 | os_free(wpa_s); |
6fc6879b JM |
5098 | } |
5099 | ||
5100 | ||
2e997eec RM |
5101 | #ifdef CONFIG_MATCH_IFACE |
5102 | ||
5103 | /** | |
5104 | * wpa_supplicant_match_iface - Match an interface description to a name | |
5105 | * @global: Pointer to global data from wpa_supplicant_init() | |
5106 | * @ifname: Name of the interface to match | |
5107 | * Returns: Pointer to the created interface description or %NULL on failure | |
5108 | */ | |
5109 | struct wpa_interface * wpa_supplicant_match_iface(struct wpa_global *global, | |
5110 | const char *ifname) | |
5111 | { | |
5112 | int i; | |
5113 | struct wpa_interface *iface, *miface; | |
5114 | ||
5115 | for (i = 0; i < global->params.match_iface_count; i++) { | |
5116 | miface = &global->params.match_ifaces[i]; | |
5117 | if (!miface->ifname || | |
5118 | fnmatch(miface->ifname, ifname, 0) == 0) { | |
5119 | iface = os_zalloc(sizeof(*iface)); | |
5120 | if (!iface) | |
5121 | return NULL; | |
5122 | *iface = *miface; | |
5123 | iface->ifname = ifname; | |
5124 | return iface; | |
5125 | } | |
5126 | } | |
5127 | ||
5128 | return NULL; | |
5129 | } | |
5130 | ||
5131 | ||
5132 | /** | |
5133 | * wpa_supplicant_match_existing - Match existing interfaces | |
5134 | * @global: Pointer to global data from wpa_supplicant_init() | |
5135 | * Returns: 0 on success, -1 on failure | |
5136 | */ | |
5137 | static int wpa_supplicant_match_existing(struct wpa_global *global) | |
5138 | { | |
5139 | struct if_nameindex *ifi, *ifp; | |
5140 | struct wpa_supplicant *wpa_s; | |
5141 | struct wpa_interface *iface; | |
5142 | ||
5143 | ifp = if_nameindex(); | |
5144 | if (!ifp) { | |
5145 | wpa_printf(MSG_ERROR, "if_nameindex: %s", strerror(errno)); | |
5146 | return -1; | |
5147 | } | |
5148 | ||
5149 | for (ifi = ifp; ifi->if_name; ifi++) { | |
5150 | wpa_s = wpa_supplicant_get_iface(global, ifi->if_name); | |
5151 | if (wpa_s) | |
5152 | continue; | |
5153 | iface = wpa_supplicant_match_iface(global, ifi->if_name); | |
5154 | if (iface) { | |
5155 | wpa_s = wpa_supplicant_add_iface(global, iface, NULL); | |
5156 | os_free(iface); | |
5157 | if (wpa_s) | |
5158 | wpa_s->matched = 1; | |
5159 | } | |
5160 | } | |
5161 | ||
5162 | if_freenameindex(ifp); | |
5163 | return 0; | |
5164 | } | |
5165 | ||
5166 | #endif /* CONFIG_MATCH_IFACE */ | |
5167 | ||
5168 | ||
6fc6879b JM |
5169 | /** |
5170 | * wpa_supplicant_add_iface - Add a new network interface | |
5171 | * @global: Pointer to global data from wpa_supplicant_init() | |
5172 | * @iface: Interface configuration options | |
1772d348 | 5173 | * @parent: Parent interface or %NULL to assign new interface as parent |
6fc6879b JM |
5174 | * Returns: Pointer to the created interface or %NULL on failure |
5175 | * | |
5176 | * This function is used to add new network interfaces for %wpa_supplicant. | |
5177 | * This can be called before wpa_supplicant_run() to add interfaces before the | |
5178 | * main event loop has been started. In addition, new interfaces can be added | |
5179 | * dynamically while %wpa_supplicant is already running. This could happen, | |
5180 | * e.g., when a hotplug network adapter is inserted. | |
5181 | */ | |
5182 | struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global, | |
1772d348 JM |
5183 | struct wpa_interface *iface, |
5184 | struct wpa_supplicant *parent) | |
6fc6879b JM |
5185 | { |
5186 | struct wpa_supplicant *wpa_s; | |
d27df100 | 5187 | struct wpa_interface t_iface; |
8e56d189 | 5188 | struct wpa_ssid *ssid; |
6fc6879b JM |
5189 | |
5190 | if (global == NULL || iface == NULL) | |
5191 | return NULL; | |
5192 | ||
1772d348 | 5193 | wpa_s = wpa_supplicant_alloc(parent); |
6fc6879b JM |
5194 | if (wpa_s == NULL) |
5195 | return NULL; | |
5196 | ||
d8222ae3 JM |
5197 | wpa_s->global = global; |
5198 | ||
d27df100 JM |
5199 | t_iface = *iface; |
5200 | if (global->params.override_driver) { | |
5201 | wpa_printf(MSG_DEBUG, "Override interface parameter: driver " | |
5202 | "('%s' -> '%s')", | |
5203 | iface->driver, global->params.override_driver); | |
5204 | t_iface.driver = global->params.override_driver; | |
5205 | } | |
5206 | if (global->params.override_ctrl_interface) { | |
5207 | wpa_printf(MSG_DEBUG, "Override interface parameter: " | |
5208 | "ctrl_interface ('%s' -> '%s')", | |
5209 | iface->ctrl_interface, | |
5210 | global->params.override_ctrl_interface); | |
5211 | t_iface.ctrl_interface = | |
5212 | global->params.override_ctrl_interface; | |
5213 | } | |
5214 | if (wpa_supplicant_init_iface(wpa_s, &t_iface)) { | |
6fc6879b JM |
5215 | wpa_printf(MSG_DEBUG, "Failed to add interface %s", |
5216 | iface->ifname); | |
df509539 | 5217 | wpa_supplicant_deinit_iface(wpa_s, 0, 0); |
6fc6879b JM |
5218 | return NULL; |
5219 | } | |
5220 | ||
21efc940 TB |
5221 | if (iface->p2p_mgmt == 0) { |
5222 | /* Notify the control interfaces about new iface */ | |
5223 | if (wpas_notify_iface_added(wpa_s)) { | |
5224 | wpa_supplicant_deinit_iface(wpa_s, 1, 0); | |
5225 | return NULL; | |
5226 | } | |
1bd3f426 | 5227 | |
21efc940 TB |
5228 | for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) |
5229 | wpas_notify_network_added(wpa_s, ssid); | |
5230 | } | |
8e56d189 | 5231 | |
6fc6879b JM |
5232 | wpa_s->next = global->ifaces; |
5233 | global->ifaces = wpa_s; | |
5234 | ||
f049052b | 5235 | wpa_dbg(wpa_s, MSG_DEBUG, "Added interface %s", wpa_s->ifname); |
99218999 | 5236 | wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); |
6fc6879b | 5237 | |
c3c4b3ed JM |
5238 | #ifdef CONFIG_P2P |
5239 | if (wpa_s->global->p2p == NULL && | |
74802c09 | 5240 | !wpa_s->global->p2p_disabled && !wpa_s->conf->p2p_disabled && |
c3c4b3ed | 5241 | (wpa_s->drv_flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE) && |
f43c1ae7 IP |
5242 | wpas_p2p_add_p2pdev_interface( |
5243 | wpa_s, wpa_s->global->params.conf_p2p_dev) < 0) { | |
c3c4b3ed JM |
5244 | wpa_printf(MSG_INFO, |
5245 | "P2P: Failed to enable P2P Device interface"); | |
5246 | /* Try to continue without. P2P will be disabled. */ | |
5247 | } | |
5248 | #endif /* CONFIG_P2P */ | |
5249 | ||
6fc6879b JM |
5250 | return wpa_s; |
5251 | } | |
5252 | ||
5253 | ||
5254 | /** | |
5255 | * wpa_supplicant_remove_iface - Remove a network interface | |
5256 | * @global: Pointer to global data from wpa_supplicant_init() | |
5257 | * @wpa_s: Pointer to the network interface to be removed | |
5258 | * Returns: 0 if interface was removed, -1 if interface was not found | |
5259 | * | |
5260 | * This function can be used to dynamically remove network interfaces from | |
5261 | * %wpa_supplicant, e.g., when a hotplug network adapter is ejected. In | |
5262 | * addition, this function is used to remove all remaining interfaces when | |
5263 | * %wpa_supplicant is terminated. | |
5264 | */ | |
5265 | int wpa_supplicant_remove_iface(struct wpa_global *global, | |
df509539 DS |
5266 | struct wpa_supplicant *wpa_s, |
5267 | int terminate) | |
6fc6879b JM |
5268 | { |
5269 | struct wpa_supplicant *prev; | |
5b78493f MH |
5270 | #ifdef CONFIG_MESH |
5271 | unsigned int mesh_if_created = wpa_s->mesh_if_created; | |
5272 | char *ifname = NULL; | |
5273 | #endif /* CONFIG_MESH */ | |
6fc6879b JM |
5274 | |
5275 | /* Remove interface from the global list of interfaces */ | |
5276 | prev = global->ifaces; | |
5277 | if (prev == wpa_s) { | |
5278 | global->ifaces = wpa_s->next; | |
5279 | } else { | |
5280 | while (prev && prev->next != wpa_s) | |
5281 | prev = prev->next; | |
5282 | if (prev == NULL) | |
5283 | return -1; | |
5284 | prev->next = wpa_s->next; | |
5285 | } | |
5286 | ||
f049052b | 5287 | wpa_dbg(wpa_s, MSG_DEBUG, "Removing interface %s", wpa_s->ifname); |
6fc6879b | 5288 | |
5b78493f MH |
5289 | #ifdef CONFIG_MESH |
5290 | if (mesh_if_created) { | |
5291 | ifname = os_strdup(wpa_s->ifname); | |
5292 | if (ifname == NULL) { | |
5293 | wpa_dbg(wpa_s, MSG_ERROR, | |
5294 | "mesh: Failed to malloc ifname"); | |
5295 | return -1; | |
5296 | } | |
5297 | } | |
5298 | #endif /* CONFIG_MESH */ | |
5299 | ||
b22128ef JM |
5300 | if (global->p2p_group_formation == wpa_s) |
5301 | global->p2p_group_formation = NULL; | |
dbca75f8 JM |
5302 | if (global->p2p_invite_group == wpa_s) |
5303 | global->p2p_invite_group = NULL; | |
df509539 | 5304 | wpa_supplicant_deinit_iface(wpa_s, 1, terminate); |
6fc6879b | 5305 | |
5b78493f MH |
5306 | #ifdef CONFIG_MESH |
5307 | if (mesh_if_created) { | |
5308 | wpa_drv_if_remove(global->ifaces, WPA_IF_MESH, ifname); | |
5309 | os_free(ifname); | |
5310 | } | |
5311 | #endif /* CONFIG_MESH */ | |
5312 | ||
6fc6879b JM |
5313 | return 0; |
5314 | } | |
5315 | ||
5316 | ||
cf83fb0b PS |
5317 | /** |
5318 | * wpa_supplicant_get_eap_mode - Get the current EAP mode | |
5319 | * @wpa_s: Pointer to the network interface | |
5320 | * Returns: Pointer to the eap mode or the string "UNKNOWN" if not found | |
5321 | */ | |
5322 | const char * wpa_supplicant_get_eap_mode(struct wpa_supplicant *wpa_s) | |
5323 | { | |
5324 | const char *eapol_method; | |
5325 | ||
5326 | if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) == 0 && | |
5327 | wpa_s->key_mgmt != WPA_KEY_MGMT_IEEE8021X_NO_WPA) { | |
5328 | return "NO-EAP"; | |
5329 | } | |
5330 | ||
5331 | eapol_method = eapol_sm_get_method_name(wpa_s->eapol); | |
5332 | if (eapol_method == NULL) | |
5333 | return "UNKNOWN-EAP"; | |
5334 | ||
5335 | return eapol_method; | |
5336 | } | |
5337 | ||
5338 | ||
6fc6879b JM |
5339 | /** |
5340 | * wpa_supplicant_get_iface - Get a new network interface | |
5341 | * @global: Pointer to global data from wpa_supplicant_init() | |
5342 | * @ifname: Interface name | |
5343 | * Returns: Pointer to the interface or %NULL if not found | |
5344 | */ | |
5345 | struct wpa_supplicant * wpa_supplicant_get_iface(struct wpa_global *global, | |
5346 | const char *ifname) | |
5347 | { | |
5348 | struct wpa_supplicant *wpa_s; | |
5349 | ||
5350 | for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) { | |
5351 | if (os_strcmp(wpa_s->ifname, ifname) == 0) | |
5352 | return wpa_s; | |
5353 | } | |
5354 | return NULL; | |
5355 | } | |
5356 | ||
5357 | ||
50b16da1 | 5358 | #ifndef CONFIG_NO_WPA_MSG |
4f1495ae BG |
5359 | static const char * wpa_supplicant_msg_ifname_cb(void *ctx) |
5360 | { | |
5361 | struct wpa_supplicant *wpa_s = ctx; | |
5362 | if (wpa_s == NULL) | |
5363 | return NULL; | |
5364 | return wpa_s->ifname; | |
5365 | } | |
50b16da1 | 5366 | #endif /* CONFIG_NO_WPA_MSG */ |
4f1495ae BG |
5367 | |
5368 | ||
8c0d0ff2 JM |
5369 | #ifndef WPA_SUPPLICANT_CLEANUP_INTERVAL |
5370 | #define WPA_SUPPLICANT_CLEANUP_INTERVAL 10 | |
5371 | #endif /* WPA_SUPPLICANT_CLEANUP_INTERVAL */ | |
5372 | ||
5373 | /* Periodic cleanup tasks */ | |
5374 | static void wpas_periodic(void *eloop_ctx, void *timeout_ctx) | |
5375 | { | |
5376 | struct wpa_global *global = eloop_ctx; | |
5377 | struct wpa_supplicant *wpa_s; | |
5378 | ||
5379 | eloop_register_timeout(WPA_SUPPLICANT_CLEANUP_INTERVAL, 0, | |
5380 | wpas_periodic, global, NULL); | |
5381 | ||
5382 | #ifdef CONFIG_P2P | |
5383 | if (global->p2p) | |
5384 | p2p_expire_peers(global->p2p); | |
5385 | #endif /* CONFIG_P2P */ | |
5386 | ||
3188aaba | 5387 | for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) { |
8c0d0ff2 | 5388 | wpa_bss_flush_by_age(wpa_s, wpa_s->conf->bss_expiration_age); |
3188aaba JM |
5389 | #ifdef CONFIG_AP |
5390 | ap_periodic(wpa_s); | |
5391 | #endif /* CONFIG_AP */ | |
5392 | } | |
8c0d0ff2 JM |
5393 | } |
5394 | ||
5395 | ||
6fc6879b JM |
5396 | /** |
5397 | * wpa_supplicant_init - Initialize %wpa_supplicant | |
5398 | * @params: Parameters for %wpa_supplicant | |
5399 | * Returns: Pointer to global %wpa_supplicant data, or %NULL on failure | |
5400 | * | |
5401 | * This function is used to initialize %wpa_supplicant. After successful | |
5402 | * initialization, the returned data pointer can be used to add and remove | |
5403 | * network interfaces, and eventually, to deinitialize %wpa_supplicant. | |
5404 | */ | |
5405 | struct wpa_global * wpa_supplicant_init(struct wpa_params *params) | |
5406 | { | |
5407 | struct wpa_global *global; | |
ac305589 | 5408 | int ret, i; |
6fc6879b JM |
5409 | |
5410 | if (params == NULL) | |
5411 | return NULL; | |
5412 | ||
39e7d718 JM |
5413 | #ifdef CONFIG_DRIVER_NDIS |
5414 | { | |
5415 | void driver_ndis_init_ops(void); | |
5416 | driver_ndis_init_ops(); | |
5417 | } | |
5418 | #endif /* CONFIG_DRIVER_NDIS */ | |
5419 | ||
50b16da1 | 5420 | #ifndef CONFIG_NO_WPA_MSG |
4f1495ae | 5421 | wpa_msg_register_ifname_cb(wpa_supplicant_msg_ifname_cb); |
50b16da1 | 5422 | #endif /* CONFIG_NO_WPA_MSG */ |
4f1495ae | 5423 | |
f4637fe0 JM |
5424 | if (params->wpa_debug_file_path) |
5425 | wpa_debug_open_file(params->wpa_debug_file_path); | |
5426 | else | |
5427 | wpa_debug_setup_stdout(); | |
daa70d49 SL |
5428 | if (params->wpa_debug_syslog) |
5429 | wpa_debug_open_syslog(); | |
4f68895e JB |
5430 | if (params->wpa_debug_tracing) { |
5431 | ret = wpa_debug_open_linux_tracing(); | |
5432 | if (ret) { | |
5433 | wpa_printf(MSG_ERROR, | |
5434 | "Failed to enable trace logging"); | |
5435 | return NULL; | |
5436 | } | |
5437 | } | |
6fc6879b | 5438 | |
12760815 | 5439 | ret = eap_register_methods(); |
6fc6879b JM |
5440 | if (ret) { |
5441 | wpa_printf(MSG_ERROR, "Failed to register EAP methods"); | |
5442 | if (ret == -2) | |
5443 | wpa_printf(MSG_ERROR, "Two or more EAP methods used " | |
5444 | "the same EAP type."); | |
5445 | return NULL; | |
5446 | } | |
5447 | ||
5448 | global = os_zalloc(sizeof(*global)); | |
5449 | if (global == NULL) | |
5450 | return NULL; | |
b22128ef JM |
5451 | dl_list_init(&global->p2p_srv_bonjour); |
5452 | dl_list_init(&global->p2p_srv_upnp); | |
6fc6879b JM |
5453 | global->params.daemonize = params->daemonize; |
5454 | global->params.wait_for_monitor = params->wait_for_monitor; | |
5455 | global->params.dbus_ctrl_interface = params->dbus_ctrl_interface; | |
5456 | if (params->pid_file) | |
5457 | global->params.pid_file = os_strdup(params->pid_file); | |
5458 | if (params->ctrl_interface) | |
5459 | global->params.ctrl_interface = | |
5460 | os_strdup(params->ctrl_interface); | |
29257565 JM |
5461 | if (params->ctrl_interface_group) |
5462 | global->params.ctrl_interface_group = | |
5463 | os_strdup(params->ctrl_interface_group); | |
d27df100 JM |
5464 | if (params->override_driver) |
5465 | global->params.override_driver = | |
5466 | os_strdup(params->override_driver); | |
5467 | if (params->override_ctrl_interface) | |
5468 | global->params.override_ctrl_interface = | |
5469 | os_strdup(params->override_ctrl_interface); | |
2e997eec RM |
5470 | #ifdef CONFIG_MATCH_IFACE |
5471 | global->params.match_iface_count = params->match_iface_count; | |
5472 | if (params->match_iface_count) { | |
5473 | global->params.match_ifaces = | |
5474 | os_calloc(params->match_iface_count, | |
5475 | sizeof(struct wpa_interface)); | |
5476 | os_memcpy(global->params.match_ifaces, | |
5477 | params->match_ifaces, | |
5478 | params->match_iface_count * | |
5479 | sizeof(struct wpa_interface)); | |
5480 | } | |
5481 | #endif /* CONFIG_MATCH_IFACE */ | |
d4e59795 G |
5482 | #ifdef CONFIG_P2P |
5483 | if (params->conf_p2p_dev) | |
5484 | global->params.conf_p2p_dev = | |
5485 | os_strdup(params->conf_p2p_dev); | |
5486 | #endif /* CONFIG_P2P */ | |
6fc6879b JM |
5487 | wpa_debug_level = global->params.wpa_debug_level = |
5488 | params->wpa_debug_level; | |
5489 | wpa_debug_show_keys = global->params.wpa_debug_show_keys = | |
5490 | params->wpa_debug_show_keys; | |
5491 | wpa_debug_timestamp = global->params.wpa_debug_timestamp = | |
5492 | params->wpa_debug_timestamp; | |
5493 | ||
f19858f5 JM |
5494 | wpa_printf(MSG_DEBUG, "wpa_supplicant v" VERSION_STR); |
5495 | ||
0456ea16 | 5496 | if (eloop_init()) { |
6fc6879b JM |
5497 | wpa_printf(MSG_ERROR, "Failed to initialize event loop"); |
5498 | wpa_supplicant_deinit(global); | |
5499 | return NULL; | |
5500 | } | |
5501 | ||
38e24575 | 5502 | random_init(params->entropy_file); |
d47fa330 | 5503 | |
6fc6879b JM |
5504 | global->ctrl_iface = wpa_supplicant_global_ctrl_iface_init(global); |
5505 | if (global->ctrl_iface == NULL) { | |
5506 | wpa_supplicant_deinit(global); | |
5507 | return NULL; | |
5508 | } | |
5509 | ||
dc461de4 WS |
5510 | if (wpas_notify_supplicant_initialized(global)) { |
5511 | wpa_supplicant_deinit(global); | |
5512 | return NULL; | |
6fc6879b JM |
5513 | } |
5514 | ||
c5121837 | 5515 | for (i = 0; wpa_drivers[i]; i++) |
ac305589 JM |
5516 | global->drv_count++; |
5517 | if (global->drv_count == 0) { | |
5518 | wpa_printf(MSG_ERROR, "No drivers enabled"); | |
5519 | wpa_supplicant_deinit(global); | |
5520 | return NULL; | |
5521 | } | |
faebdeaa | 5522 | global->drv_priv = os_calloc(global->drv_count, sizeof(void *)); |
ac305589 JM |
5523 | if (global->drv_priv == NULL) { |
5524 | wpa_supplicant_deinit(global); | |
5525 | return NULL; | |
5526 | } | |
ac305589 | 5527 | |
9675ce35 JM |
5528 | #ifdef CONFIG_WIFI_DISPLAY |
5529 | if (wifi_display_init(global) < 0) { | |
5530 | wpa_printf(MSG_ERROR, "Failed to initialize Wi-Fi Display"); | |
5531 | wpa_supplicant_deinit(global); | |
5532 | return NULL; | |
5533 | } | |
5534 | #endif /* CONFIG_WIFI_DISPLAY */ | |
5535 | ||
8c0d0ff2 JM |
5536 | eloop_register_timeout(WPA_SUPPLICANT_CLEANUP_INTERVAL, 0, |
5537 | wpas_periodic, global, NULL); | |
5538 | ||
6fc6879b JM |
5539 | return global; |
5540 | } | |
5541 | ||
5542 | ||
5543 | /** | |
5544 | * wpa_supplicant_run - Run the %wpa_supplicant main event loop | |
5545 | * @global: Pointer to global data from wpa_supplicant_init() | |
5546 | * Returns: 0 after successful event loop run, -1 on failure | |
5547 | * | |
5548 | * This function starts the main event loop and continues running as long as | |
5549 | * there are any remaining events. In most cases, this function is running as | |
5550 | * long as the %wpa_supplicant process in still in use. | |
5551 | */ | |
5552 | int wpa_supplicant_run(struct wpa_global *global) | |
5553 | { | |
5554 | struct wpa_supplicant *wpa_s; | |
5555 | ||
5556 | if (global->params.daemonize && | |
2e69bdd1 RM |
5557 | (wpa_supplicant_daemon(global->params.pid_file) || |
5558 | eloop_sock_requeue())) | |
6fc6879b JM |
5559 | return -1; |
5560 | ||
2e997eec RM |
5561 | #ifdef CONFIG_MATCH_IFACE |
5562 | if (wpa_supplicant_match_existing(global)) | |
5563 | return -1; | |
5564 | #endif | |
5565 | ||
6fc6879b JM |
5566 | if (global->params.wait_for_monitor) { |
5567 | for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) | |
ede77701 | 5568 | if (wpa_s->ctrl_iface && !wpa_s->p2p_mgmt) |
6fc6879b JM |
5569 | wpa_supplicant_ctrl_iface_wait( |
5570 | wpa_s->ctrl_iface); | |
5571 | } | |
5572 | ||
0456ea16 JM |
5573 | eloop_register_signal_terminate(wpa_supplicant_terminate, global); |
5574 | eloop_register_signal_reconfig(wpa_supplicant_reconfig, global); | |
6fc6879b JM |
5575 | |
5576 | eloop_run(); | |
5577 | ||
5578 | return 0; | |
5579 | } | |
5580 | ||
5581 | ||
5582 | /** | |
5583 | * wpa_supplicant_deinit - Deinitialize %wpa_supplicant | |
5584 | * @global: Pointer to global data from wpa_supplicant_init() | |
5585 | * | |
5586 | * This function is called to deinitialize %wpa_supplicant and to free all | |
5587 | * allocated resources. Remaining network interfaces will also be removed. | |
5588 | */ | |
5589 | void wpa_supplicant_deinit(struct wpa_global *global) | |
5590 | { | |
ac305589 JM |
5591 | int i; |
5592 | ||
6fc6879b JM |
5593 | if (global == NULL) |
5594 | return; | |
5595 | ||
8c0d0ff2 JM |
5596 | eloop_cancel_timeout(wpas_periodic, global, NULL); |
5597 | ||
9675ce35 JM |
5598 | #ifdef CONFIG_WIFI_DISPLAY |
5599 | wifi_display_deinit(global); | |
5600 | #endif /* CONFIG_WIFI_DISPLAY */ | |
b22128ef | 5601 | |
6fc6879b | 5602 | while (global->ifaces) |
df509539 | 5603 | wpa_supplicant_remove_iface(global, global->ifaces, 1); |
6fc6879b JM |
5604 | |
5605 | if (global->ctrl_iface) | |
5606 | wpa_supplicant_global_ctrl_iface_deinit(global->ctrl_iface); | |
dc461de4 WS |
5607 | |
5608 | wpas_notify_supplicant_deinitialized(global); | |
6fc6879b JM |
5609 | |
5610 | eap_peer_unregister_methods(); | |
3ec97afe JM |
5611 | #ifdef CONFIG_AP |
5612 | eap_server_unregister_methods(); | |
5613 | #endif /* CONFIG_AP */ | |
6fc6879b | 5614 | |
c5121837 | 5615 | for (i = 0; wpa_drivers[i] && global->drv_priv; i++) { |
ac305589 JM |
5616 | if (!global->drv_priv[i]) |
5617 | continue; | |
c5121837 | 5618 | wpa_drivers[i]->global_deinit(global->drv_priv[i]); |
ac305589 JM |
5619 | } |
5620 | os_free(global->drv_priv); | |
5621 | ||
d47fa330 JM |
5622 | random_deinit(); |
5623 | ||
6fc6879b JM |
5624 | eloop_destroy(); |
5625 | ||
5626 | if (global->params.pid_file) { | |
5627 | os_daemonize_terminate(global->params.pid_file); | |
5628 | os_free(global->params.pid_file); | |
5629 | } | |
5630 | os_free(global->params.ctrl_interface); | |
29257565 | 5631 | os_free(global->params.ctrl_interface_group); |
d27df100 JM |
5632 | os_free(global->params.override_driver); |
5633 | os_free(global->params.override_ctrl_interface); | |
2e997eec RM |
5634 | #ifdef CONFIG_MATCH_IFACE |
5635 | os_free(global->params.match_ifaces); | |
5636 | #endif /* CONFIG_MATCH_IFACE */ | |
d4e59795 G |
5637 | #ifdef CONFIG_P2P |
5638 | os_free(global->params.conf_p2p_dev); | |
5639 | #endif /* CONFIG_P2P */ | |
6fc6879b | 5640 | |
af8a827b | 5641 | os_free(global->p2p_disallow_freq.range); |
253f2e37 | 5642 | os_free(global->p2p_go_avoid_freq.range); |
01a57fe4 | 5643 | os_free(global->add_psk); |
6f3bc72b | 5644 | |
6fc6879b | 5645 | os_free(global); |
daa70d49 | 5646 | wpa_debug_close_syslog(); |
6fc6879b | 5647 | wpa_debug_close_file(); |
4f68895e | 5648 | wpa_debug_close_linux_tracing(); |
6fc6879b | 5649 | } |
611aea7d JM |
5650 | |
5651 | ||
5652 | void wpa_supplicant_update_config(struct wpa_supplicant *wpa_s) | |
5653 | { | |
849b5dc7 JM |
5654 | if ((wpa_s->conf->changed_parameters & CFG_CHANGED_COUNTRY) && |
5655 | wpa_s->conf->country[0] && wpa_s->conf->country[1]) { | |
5656 | char country[3]; | |
5657 | country[0] = wpa_s->conf->country[0]; | |
5658 | country[1] = wpa_s->conf->country[1]; | |
5659 | country[2] = '\0'; | |
5660 | if (wpa_drv_set_country(wpa_s, country) < 0) { | |
5661 | wpa_printf(MSG_ERROR, "Failed to set country code " | |
5662 | "'%s'", country); | |
5663 | } | |
5664 | } | |
5665 | ||
306ae225 JM |
5666 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_EXT_PW_BACKEND) |
5667 | wpas_init_ext_pw(wpa_s); | |
5668 | ||
bea48f77 JM |
5669 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_SCHED_SCAN_PLANS) |
5670 | wpas_sched_scan_plans_set(wpa_s, wpa_s->conf->sched_scan_plans); | |
5671 | ||
611aea7d JM |
5672 | #ifdef CONFIG_WPS |
5673 | wpas_wps_update_config(wpa_s); | |
5674 | #endif /* CONFIG_WPS */ | |
b22128ef | 5675 | wpas_p2p_update_config(wpa_s); |
611aea7d JM |
5676 | wpa_s->conf->changed_parameters = 0; |
5677 | } | |
2f9c6aa6 JM |
5678 | |
5679 | ||
e1117c1c | 5680 | void add_freq(int *freqs, int *num_freqs, int freq) |
0fb337c1 JM |
5681 | { |
5682 | int i; | |
5683 | ||
5684 | for (i = 0; i < *num_freqs; i++) { | |
5685 | if (freqs[i] == freq) | |
5686 | return; | |
5687 | } | |
5688 | ||
5689 | freqs[*num_freqs] = freq; | |
5690 | (*num_freqs)++; | |
5691 | } | |
5692 | ||
5693 | ||
5694 | static int * get_bss_freqs_in_ess(struct wpa_supplicant *wpa_s) | |
5695 | { | |
5696 | struct wpa_bss *bss, *cbss; | |
5697 | const int max_freqs = 10; | |
5698 | int *freqs; | |
5699 | int num_freqs = 0; | |
5700 | ||
faebdeaa | 5701 | freqs = os_calloc(max_freqs + 1, sizeof(int)); |
0fb337c1 JM |
5702 | if (freqs == NULL) |
5703 | return NULL; | |
5704 | ||
5705 | cbss = wpa_s->current_bss; | |
5706 | ||
5707 | dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { | |
5708 | if (bss == cbss) | |
5709 | continue; | |
5710 | if (bss->ssid_len == cbss->ssid_len && | |
5711 | os_memcmp(bss->ssid, cbss->ssid, bss->ssid_len) == 0 && | |
5712 | wpa_blacklist_get(wpa_s, bss->bssid) == NULL) { | |
5713 | add_freq(freqs, &num_freqs, bss->freq); | |
5714 | if (num_freqs == max_freqs) | |
5715 | break; | |
5716 | } | |
5717 | } | |
5718 | ||
5719 | if (num_freqs == 0) { | |
5720 | os_free(freqs); | |
5721 | freqs = NULL; | |
5722 | } | |
5723 | ||
5724 | return freqs; | |
5725 | } | |
5726 | ||
5727 | ||
5728 | void wpas_connection_failed(struct wpa_supplicant *wpa_s, const u8 *bssid) | |
5729 | { | |
5730 | int timeout; | |
5731 | int count; | |
5732 | int *freqs = NULL; | |
5733 | ||
6ac4b15e JM |
5734 | wpas_connect_work_done(wpa_s); |
5735 | ||
5fd9fb27 JM |
5736 | /* |
5737 | * Remove possible authentication timeout since the connection failed. | |
5738 | */ | |
5739 | eloop_cancel_timeout(wpa_supplicant_timeout, wpa_s, NULL); | |
5740 | ||
c2805909 JM |
5741 | /* |
5742 | * There is no point in blacklisting the AP if this event is | |
5743 | * generated based on local request to disconnect. | |
5744 | */ | |
5745 | if (wpa_s->own_disconnect_req) { | |
5746 | wpa_s->own_disconnect_req = 0; | |
5747 | wpa_dbg(wpa_s, MSG_DEBUG, | |
5748 | "Ignore connection failure due to local request to disconnect"); | |
5749 | return; | |
5750 | } | |
0cdb93fe | 5751 | if (wpa_s->disconnected) { |
0cdb93fe JM |
5752 | wpa_dbg(wpa_s, MSG_DEBUG, "Ignore connection failure " |
5753 | "indication since interface has been put into " | |
5754 | "disconnected state"); | |
5755 | return; | |
5756 | } | |
5757 | ||
0fb337c1 JM |
5758 | /* |
5759 | * Add the failed BSSID into the blacklist and speed up next scan | |
5760 | * attempt if there could be other APs that could accept association. | |
5761 | * The current blacklist count indicates how many times we have tried | |
5762 | * connecting to this AP and multiple attempts mean that other APs are | |
5763 | * either not available or has already been tried, so that we can start | |
5764 | * increasing the delay here to avoid constant scanning. | |
5765 | */ | |
5766 | count = wpa_blacklist_add(wpa_s, bssid); | |
5767 | if (count == 1 && wpa_s->current_bss) { | |
5768 | /* | |
5769 | * This BSS was not in the blacklist before. If there is | |
5770 | * another BSS available for the same ESS, we should try that | |
5771 | * next. Otherwise, we may as well try this one once more | |
5772 | * before allowing other, likely worse, ESSes to be considered. | |
5773 | */ | |
5774 | freqs = get_bss_freqs_in_ess(wpa_s); | |
5775 | if (freqs) { | |
f049052b BG |
5776 | wpa_dbg(wpa_s, MSG_DEBUG, "Another BSS in this ESS " |
5777 | "has been seen; try it next"); | |
0fb337c1 JM |
5778 | wpa_blacklist_add(wpa_s, bssid); |
5779 | /* | |
5780 | * On the next scan, go through only the known channels | |
5781 | * used in this ESS based on previous scans to speed up | |
5782 | * common load balancing use case. | |
5783 | */ | |
5784 | os_free(wpa_s->next_scan_freqs); | |
5785 | wpa_s->next_scan_freqs = freqs; | |
5786 | } | |
5787 | } | |
5788 | ||
f1a52633 JM |
5789 | /* |
5790 | * Add previous failure count in case the temporary blacklist was | |
5791 | * cleared due to no other BSSes being available. | |
5792 | */ | |
5793 | count += wpa_s->extra_blacklist_count; | |
5794 | ||
dd579704 JM |
5795 | if (count > 3 && wpa_s->current_ssid) { |
5796 | wpa_printf(MSG_DEBUG, "Continuous association failures - " | |
5797 | "consider temporary network disabling"); | |
b19c098e | 5798 | wpas_auth_failed(wpa_s, "CONN_FAILED"); |
dd579704 JM |
5799 | } |
5800 | ||
0fb337c1 JM |
5801 | switch (count) { |
5802 | case 1: | |
5803 | timeout = 100; | |
5804 | break; | |
5805 | case 2: | |
5806 | timeout = 500; | |
5807 | break; | |
5808 | case 3: | |
5809 | timeout = 1000; | |
5810 | break; | |
f1a52633 | 5811 | case 4: |
0fb337c1 | 5812 | timeout = 5000; |
f1a52633 JM |
5813 | break; |
5814 | default: | |
5815 | timeout = 10000; | |
5816 | break; | |
0fb337c1 JM |
5817 | } |
5818 | ||
f1a52633 JM |
5819 | wpa_dbg(wpa_s, MSG_DEBUG, "Blacklist count %d --> request scan in %d " |
5820 | "ms", count, timeout); | |
5821 | ||
0fb337c1 JM |
5822 | /* |
5823 | * TODO: if more than one possible AP is available in scan results, | |
5824 | * could try the other ones before requesting a new scan. | |
5825 | */ | |
5826 | wpa_supplicant_req_scan(wpa_s, timeout / 1000, | |
5827 | 1000 * (timeout % 1000)); | |
5828 | } | |
22628eca JM |
5829 | |
5830 | ||
5831 | int wpas_driver_bss_selection(struct wpa_supplicant *wpa_s) | |
5832 | { | |
5833 | return wpa_s->conf->ap_scan == 2 || | |
5834 | (wpa_s->drv_flags & WPA_DRIVER_FLAGS_BSS_SELECTION); | |
5835 | } | |
d2118814 JM |
5836 | |
5837 | ||
5838 | #if defined(CONFIG_CTRL_IFACE) || defined(CONFIG_CTRL_IFACE_DBUS_NEW) | |
5839 | int wpa_supplicant_ctrl_iface_ctrl_rsp_handle(struct wpa_supplicant *wpa_s, | |
5840 | struct wpa_ssid *ssid, | |
5841 | const char *field, | |
5842 | const char *value) | |
5843 | { | |
5844 | #ifdef IEEE8021X_EAPOL | |
5845 | struct eap_peer_config *eap = &ssid->eap; | |
5846 | ||
5847 | wpa_printf(MSG_DEBUG, "CTRL_IFACE: response handle field=%s", field); | |
5848 | wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: response value", | |
5849 | (const u8 *) value, os_strlen(value)); | |
5850 | ||
5851 | switch (wpa_supplicant_ctrl_req_from_string(field)) { | |
5852 | case WPA_CTRL_REQ_EAP_IDENTITY: | |
5853 | os_free(eap->identity); | |
5854 | eap->identity = (u8 *) os_strdup(value); | |
5855 | eap->identity_len = os_strlen(value); | |
5856 | eap->pending_req_identity = 0; | |
5857 | if (ssid == wpa_s->current_ssid) | |
5858 | wpa_s->reassociate = 1; | |
5859 | break; | |
5860 | case WPA_CTRL_REQ_EAP_PASSWORD: | |
19c48da0 | 5861 | bin_clear_free(eap->password, eap->password_len); |
d2118814 JM |
5862 | eap->password = (u8 *) os_strdup(value); |
5863 | eap->password_len = os_strlen(value); | |
5864 | eap->pending_req_password = 0; | |
5865 | if (ssid == wpa_s->current_ssid) | |
5866 | wpa_s->reassociate = 1; | |
5867 | break; | |
5868 | case WPA_CTRL_REQ_EAP_NEW_PASSWORD: | |
19c48da0 | 5869 | bin_clear_free(eap->new_password, eap->new_password_len); |
d2118814 JM |
5870 | eap->new_password = (u8 *) os_strdup(value); |
5871 | eap->new_password_len = os_strlen(value); | |
5872 | eap->pending_req_new_password = 0; | |
5873 | if (ssid == wpa_s->current_ssid) | |
5874 | wpa_s->reassociate = 1; | |
5875 | break; | |
5876 | case WPA_CTRL_REQ_EAP_PIN: | |
19c48da0 | 5877 | str_clear_free(eap->pin); |
d2118814 JM |
5878 | eap->pin = os_strdup(value); |
5879 | eap->pending_req_pin = 0; | |
5880 | if (ssid == wpa_s->current_ssid) | |
5881 | wpa_s->reassociate = 1; | |
5882 | break; | |
5883 | case WPA_CTRL_REQ_EAP_OTP: | |
19c48da0 | 5884 | bin_clear_free(eap->otp, eap->otp_len); |
d2118814 JM |
5885 | eap->otp = (u8 *) os_strdup(value); |
5886 | eap->otp_len = os_strlen(value); | |
5887 | os_free(eap->pending_req_otp); | |
5888 | eap->pending_req_otp = NULL; | |
5889 | eap->pending_req_otp_len = 0; | |
5890 | break; | |
5891 | case WPA_CTRL_REQ_EAP_PASSPHRASE: | |
19c48da0 JM |
5892 | str_clear_free(eap->private_key_passwd); |
5893 | eap->private_key_passwd = os_strdup(value); | |
d2118814 JM |
5894 | eap->pending_req_passphrase = 0; |
5895 | if (ssid == wpa_s->current_ssid) | |
5896 | wpa_s->reassociate = 1; | |
5897 | break; | |
a5d44ac0 | 5898 | case WPA_CTRL_REQ_SIM: |
19c48da0 | 5899 | str_clear_free(eap->external_sim_resp); |
a5d44ac0 JM |
5900 | eap->external_sim_resp = os_strdup(value); |
5901 | break; | |
a52410c2 JM |
5902 | case WPA_CTRL_REQ_PSK_PASSPHRASE: |
5903 | if (wpa_config_set(ssid, "psk", value, 0) < 0) | |
5904 | return -1; | |
5905 | ssid->mem_only_psk = 1; | |
5906 | if (ssid->passphrase) | |
5907 | wpa_config_update_psk(ssid); | |
5908 | if (wpa_s->wpa_state == WPA_SCANNING && !wpa_s->scanning) | |
5909 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
5910 | break; | |
3c108b75 JM |
5911 | case WPA_CTRL_REQ_EXT_CERT_CHECK: |
5912 | if (eap->pending_ext_cert_check != PENDING_CHECK) | |
5913 | return -1; | |
5914 | if (os_strcmp(value, "good") == 0) | |
5915 | eap->pending_ext_cert_check = EXT_CERT_CHECK_GOOD; | |
5916 | else if (os_strcmp(value, "bad") == 0) | |
5917 | eap->pending_ext_cert_check = EXT_CERT_CHECK_BAD; | |
5918 | else | |
5919 | return -1; | |
5920 | break; | |
d2118814 JM |
5921 | default: |
5922 | wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown field '%s'", field); | |
5923 | return -1; | |
5924 | } | |
5925 | ||
5926 | return 0; | |
5927 | #else /* IEEE8021X_EAPOL */ | |
5928 | wpa_printf(MSG_DEBUG, "CTRL_IFACE: IEEE 802.1X not included"); | |
5929 | return -1; | |
5930 | #endif /* IEEE8021X_EAPOL */ | |
5931 | } | |
5932 | #endif /* CONFIG_CTRL_IFACE || CONFIG_CTRL_IFACE_DBUS_NEW */ | |
349493bd JM |
5933 | |
5934 | ||
5935 | int wpas_network_disabled(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid) | |
5936 | { | |
5937 | int i; | |
5938 | unsigned int drv_enc; | |
5939 | ||
44b9ea5b JM |
5940 | if (wpa_s->p2p_mgmt) |
5941 | return 1; /* no normal network profiles on p2p_mgmt interface */ | |
5942 | ||
349493bd JM |
5943 | if (ssid == NULL) |
5944 | return 1; | |
5945 | ||
5946 | if (ssid->disabled) | |
5947 | return 1; | |
5948 | ||
9feadba1 | 5949 | if (wpa_s->drv_capa_known) |
349493bd JM |
5950 | drv_enc = wpa_s->drv_enc; |
5951 | else | |
5952 | drv_enc = (unsigned int) -1; | |
5953 | ||
5954 | for (i = 0; i < NUM_WEP_KEYS; i++) { | |
5955 | size_t len = ssid->wep_key_len[i]; | |
5956 | if (len == 0) | |
5957 | continue; | |
5958 | if (len == 5 && (drv_enc & WPA_DRIVER_CAPA_ENC_WEP40)) | |
5959 | continue; | |
5960 | if (len == 13 && (drv_enc & WPA_DRIVER_CAPA_ENC_WEP104)) | |
5961 | continue; | |
5962 | if (len == 16 && (drv_enc & WPA_DRIVER_CAPA_ENC_WEP128)) | |
5963 | continue; | |
5964 | return 1; /* invalid WEP key */ | |
5965 | } | |
5966 | ||
9173b16f | 5967 | if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt) && !ssid->psk_set && |
a52410c2 JM |
5968 | (!ssid->passphrase || ssid->ssid_len != 0) && !ssid->ext_psk && |
5969 | !ssid->mem_only_psk) | |
2518aad3 JM |
5970 | return 1; |
5971 | ||
349493bd JM |
5972 | return 0; |
5973 | } | |
b9cfc09a JJ |
5974 | |
5975 | ||
3f56a2b7 JM |
5976 | int wpas_get_ssid_pmf(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid) |
5977 | { | |
5978 | #ifdef CONFIG_IEEE80211W | |
5979 | if (ssid == NULL || ssid->ieee80211w == MGMT_FRAME_PROTECTION_DEFAULT) { | |
5980 | if (wpa_s->conf->pmf == MGMT_FRAME_PROTECTION_OPTIONAL && | |
5981 | !(wpa_s->drv_enc & WPA_DRIVER_CAPA_ENC_BIP)) { | |
5982 | /* | |
5983 | * Driver does not support BIP -- ignore pmf=1 default | |
5984 | * since the connection with PMF would fail and the | |
5985 | * configuration does not require PMF to be enabled. | |
5986 | */ | |
5987 | return NO_MGMT_FRAME_PROTECTION; | |
5988 | } | |
5989 | ||
22950049 JM |
5990 | if (ssid && |
5991 | (ssid->key_mgmt & | |
5992 | ~(WPA_KEY_MGMT_NONE | WPA_KEY_MGMT_WPS | | |
5993 | WPA_KEY_MGMT_IEEE8021X_NO_WPA)) == 0) { | |
5994 | /* | |
5995 | * Do not use the default PMF value for non-RSN networks | |
5996 | * since PMF is available only with RSN and pmf=2 | |
5997 | * configuration would otherwise prevent connections to | |
5998 | * all open networks. | |
5999 | */ | |
6000 | return NO_MGMT_FRAME_PROTECTION; | |
6001 | } | |
6002 | ||
3f56a2b7 JM |
6003 | return wpa_s->conf->pmf; |
6004 | } | |
6005 | ||
6006 | return ssid->ieee80211w; | |
6007 | #else /* CONFIG_IEEE80211W */ | |
6008 | return NO_MGMT_FRAME_PROTECTION; | |
6009 | #endif /* CONFIG_IEEE80211W */ | |
6010 | } | |
6011 | ||
6012 | ||
b9cfc09a JJ |
6013 | int wpas_is_p2p_prioritized(struct wpa_supplicant *wpa_s) |
6014 | { | |
6015 | if (wpa_s->global->conc_pref == WPA_CONC_PREF_P2P) | |
6016 | return 1; | |
6017 | if (wpa_s->global->conc_pref == WPA_CONC_PREF_STA) | |
6018 | return 0; | |
6019 | return -1; | |
6020 | } | |
00e5e3d5 JM |
6021 | |
6022 | ||
b19c098e | 6023 | void wpas_auth_failed(struct wpa_supplicant *wpa_s, char *reason) |
00e5e3d5 JM |
6024 | { |
6025 | struct wpa_ssid *ssid = wpa_s->current_ssid; | |
6026 | int dur; | |
4e1eae1d | 6027 | struct os_reltime now; |
00e5e3d5 JM |
6028 | |
6029 | if (ssid == NULL) { | |
6030 | wpa_printf(MSG_DEBUG, "Authentication failure but no known " | |
6031 | "SSID block"); | |
6032 | return; | |
6033 | } | |
6034 | ||
6035 | if (ssid->key_mgmt == WPA_KEY_MGMT_WPS) | |
6036 | return; | |
6037 | ||
6038 | ssid->auth_failures++; | |
cbf41ca7 SL |
6039 | |
6040 | #ifdef CONFIG_P2P | |
6041 | if (ssid->p2p_group && | |
6042 | (wpa_s->p2p_in_provisioning || wpa_s->show_group_started)) { | |
6043 | /* | |
6044 | * Skip the wait time since there is a short timeout on the | |
6045 | * connection to a P2P group. | |
6046 | */ | |
6047 | return; | |
6048 | } | |
6049 | #endif /* CONFIG_P2P */ | |
6050 | ||
00e5e3d5 JM |
6051 | if (ssid->auth_failures > 50) |
6052 | dur = 300; | |
00e5e3d5 | 6053 | else if (ssid->auth_failures > 10) |
8a77f1be | 6054 | dur = 120; |
00e5e3d5 | 6055 | else if (ssid->auth_failures > 5) |
8a77f1be JM |
6056 | dur = 90; |
6057 | else if (ssid->auth_failures > 3) | |
6058 | dur = 60; | |
6059 | else if (ssid->auth_failures > 2) | |
00e5e3d5 JM |
6060 | dur = 30; |
6061 | else if (ssid->auth_failures > 1) | |
6062 | dur = 20; | |
6063 | else | |
6064 | dur = 10; | |
6065 | ||
8a77f1be JM |
6066 | if (ssid->auth_failures > 1 && |
6067 | wpa_key_mgmt_wpa_ieee8021x(ssid->key_mgmt)) | |
6068 | dur += os_random() % (ssid->auth_failures * 10); | |
6069 | ||
4e1eae1d | 6070 | os_get_reltime(&now); |
00e5e3d5 JM |
6071 | if (now.sec + dur <= ssid->disabled_until.sec) |
6072 | return; | |
6073 | ||
6074 | ssid->disabled_until.sec = now.sec + dur; | |
6075 | ||
6076 | wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_TEMP_DISABLED | |
b19c098e | 6077 | "id=%d ssid=\"%s\" auth_failures=%u duration=%d reason=%s", |
00e5e3d5 | 6078 | ssid->id, wpa_ssid_txt(ssid->ssid, ssid->ssid_len), |
b19c098e | 6079 | ssid->auth_failures, dur, reason); |
00e5e3d5 JM |
6080 | } |
6081 | ||
6082 | ||
6083 | void wpas_clear_temp_disabled(struct wpa_supplicant *wpa_s, | |
6084 | struct wpa_ssid *ssid, int clear_failures) | |
6085 | { | |
6086 | if (ssid == NULL) | |
6087 | return; | |
6088 | ||
6089 | if (ssid->disabled_until.sec) { | |
6090 | wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_REENABLED | |
6091 | "id=%d ssid=\"%s\"", | |
6092 | ssid->id, wpa_ssid_txt(ssid->ssid, ssid->ssid_len)); | |
6093 | } | |
6094 | ssid->disabled_until.sec = 0; | |
6095 | ssid->disabled_until.usec = 0; | |
6096 | if (clear_failures) | |
6097 | ssid->auth_failures = 0; | |
6098 | } | |
6407f413 JM |
6099 | |
6100 | ||
6101 | int disallowed_bssid(struct wpa_supplicant *wpa_s, const u8 *bssid) | |
6102 | { | |
6103 | size_t i; | |
6104 | ||
6105 | if (wpa_s->disallow_aps_bssid == NULL) | |
6106 | return 0; | |
6107 | ||
6108 | for (i = 0; i < wpa_s->disallow_aps_bssid_count; i++) { | |
6109 | if (os_memcmp(wpa_s->disallow_aps_bssid + i * ETH_ALEN, | |
6110 | bssid, ETH_ALEN) == 0) | |
6111 | return 1; | |
6112 | } | |
6113 | ||
6114 | return 0; | |
6115 | } | |
6116 | ||
6117 | ||
6118 | int disallowed_ssid(struct wpa_supplicant *wpa_s, const u8 *ssid, | |
6119 | size_t ssid_len) | |
6120 | { | |
6121 | size_t i; | |
6122 | ||
6123 | if (wpa_s->disallow_aps_ssid == NULL || ssid == NULL) | |
6124 | return 0; | |
6125 | ||
6126 | for (i = 0; i < wpa_s->disallow_aps_ssid_count; i++) { | |
6127 | struct wpa_ssid_value *s = &wpa_s->disallow_aps_ssid[i]; | |
6128 | if (ssid_len == s->ssid_len && | |
6129 | os_memcmp(ssid, s->ssid, ssid_len) == 0) | |
6130 | return 1; | |
6131 | } | |
6132 | ||
6133 | return 0; | |
6134 | } | |
9796a86c JM |
6135 | |
6136 | ||
6137 | /** | |
6138 | * wpas_request_connection - Request a new connection | |
6139 | * @wpa_s: Pointer to the network interface | |
6140 | * | |
6141 | * This function is used to request a new connection to be found. It will mark | |
6142 | * the interface to allow reassociation and request a new scan to find a | |
6143 | * suitable network to connect to. | |
6144 | */ | |
6145 | void wpas_request_connection(struct wpa_supplicant *wpa_s) | |
6146 | { | |
6147 | wpa_s->normal_scans = 0; | |
5214f4fa | 6148 | wpa_s->scan_req = NORMAL_SCAN_REQ; |
9796a86c JM |
6149 | wpa_supplicant_reinit_autoscan(wpa_s); |
6150 | wpa_s->extra_blacklist_count = 0; | |
6151 | wpa_s->disconnected = 0; | |
6152 | wpa_s->reassociate = 1; | |
5e24beae MH |
6153 | |
6154 | if (wpa_supplicant_fast_associate(wpa_s) != 1) | |
6155 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
0c5f01fd B |
6156 | else |
6157 | wpa_s->reattach = 0; | |
9796a86c | 6158 | } |
36b9883d DG |
6159 | |
6160 | ||
5f040be4 RP |
6161 | /** |
6162 | * wpas_request_disconnection - Request disconnection | |
6163 | * @wpa_s: Pointer to the network interface | |
6164 | * | |
6165 | * This function is used to request disconnection from the currently connected | |
6166 | * network. This will stop any ongoing scans and initiate deauthentication. | |
6167 | */ | |
6168 | void wpas_request_disconnection(struct wpa_supplicant *wpa_s) | |
6169 | { | |
6170 | #ifdef CONFIG_SME | |
6171 | wpa_s->sme.prev_bssid_set = 0; | |
6172 | #endif /* CONFIG_SME */ | |
6173 | wpa_s->reassociate = 0; | |
6174 | wpa_s->disconnected = 1; | |
6175 | wpa_supplicant_cancel_sched_scan(wpa_s); | |
6176 | wpa_supplicant_cancel_scan(wpa_s); | |
6177 | wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING); | |
6178 | eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL); | |
6179 | } | |
6180 | ||
6181 | ||
a0c90bb0 IP |
6182 | void dump_freq_data(struct wpa_supplicant *wpa_s, const char *title, |
6183 | struct wpa_used_freq_data *freqs_data, | |
6184 | unsigned int len) | |
6185 | { | |
6186 | unsigned int i; | |
6187 | ||
6188 | wpa_dbg(wpa_s, MSG_DEBUG, "Shared frequencies (len=%u): %s", | |
6189 | len, title); | |
6190 | for (i = 0; i < len; i++) { | |
6191 | struct wpa_used_freq_data *cur = &freqs_data[i]; | |
6192 | wpa_dbg(wpa_s, MSG_DEBUG, "freq[%u]: %d, flags=0x%X", | |
6193 | i, cur->freq, cur->flags); | |
6194 | } | |
6195 | } | |
6196 | ||
6197 | ||
53c5dfc2 IP |
6198 | /* |
6199 | * Find the operating frequencies of any of the virtual interfaces that | |
a0c90bb0 IP |
6200 | * are using the same radio as the current interface, and in addition, get |
6201 | * information about the interface types that are using the frequency. | |
53c5dfc2 | 6202 | */ |
a0c90bb0 IP |
6203 | int get_shared_radio_freqs_data(struct wpa_supplicant *wpa_s, |
6204 | struct wpa_used_freq_data *freqs_data, | |
6205 | unsigned int len) | |
53c5dfc2 | 6206 | { |
53c5dfc2 IP |
6207 | struct wpa_supplicant *ifs; |
6208 | u8 bssid[ETH_ALEN]; | |
6209 | int freq; | |
6210 | unsigned int idx = 0, i; | |
6211 | ||
217cf499 JM |
6212 | wpa_dbg(wpa_s, MSG_DEBUG, |
6213 | "Determining shared radio frequencies (max len %u)", len); | |
a0c90bb0 | 6214 | os_memset(freqs_data, 0, sizeof(struct wpa_used_freq_data) * len); |
53c5dfc2 | 6215 | |
0ad3b9c4 JM |
6216 | dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant, |
6217 | radio_list) { | |
a0c90bb0 IP |
6218 | if (idx == len) |
6219 | break; | |
6220 | ||
53c5dfc2 IP |
6221 | if (ifs->current_ssid == NULL || ifs->assoc_freq == 0) |
6222 | continue; | |
6223 | ||
6224 | if (ifs->current_ssid->mode == WPAS_MODE_AP || | |
241c3333 MH |
6225 | ifs->current_ssid->mode == WPAS_MODE_P2P_GO || |
6226 | ifs->current_ssid->mode == WPAS_MODE_MESH) | |
53c5dfc2 IP |
6227 | freq = ifs->current_ssid->frequency; |
6228 | else if (wpa_drv_get_bssid(ifs, bssid) == 0) | |
6229 | freq = ifs->assoc_freq; | |
6230 | else | |
6231 | continue; | |
6232 | ||
6233 | /* Hold only distinct freqs */ | |
6234 | for (i = 0; i < idx; i++) | |
a0c90bb0 | 6235 | if (freqs_data[i].freq == freq) |
53c5dfc2 IP |
6236 | break; |
6237 | ||
6238 | if (i == idx) | |
a0c90bb0 IP |
6239 | freqs_data[idx++].freq = freq; |
6240 | ||
6241 | if (ifs->current_ssid->mode == WPAS_MODE_INFRA) { | |
22264b3c | 6242 | freqs_data[i].flags |= ifs->current_ssid->p2p_group ? |
a0c90bb0 IP |
6243 | WPA_FREQ_USED_BY_P2P_CLIENT : |
6244 | WPA_FREQ_USED_BY_INFRA_STATION; | |
6245 | } | |
53c5dfc2 | 6246 | } |
217cf499 | 6247 | |
a0c90bb0 | 6248 | dump_freq_data(wpa_s, "completed iteration", freqs_data, idx); |
53c5dfc2 IP |
6249 | return idx; |
6250 | } | |
a0c90bb0 IP |
6251 | |
6252 | ||
6253 | /* | |
6254 | * Find the operating frequencies of any of the virtual interfaces that | |
6255 | * are using the same radio as the current interface. | |
6256 | */ | |
6257 | int get_shared_radio_freqs(struct wpa_supplicant *wpa_s, | |
6258 | int *freq_array, unsigned int len) | |
6259 | { | |
6260 | struct wpa_used_freq_data *freqs_data; | |
6261 | int num, i; | |
6262 | ||
6263 | os_memset(freq_array, 0, sizeof(int) * len); | |
6264 | ||
6265 | freqs_data = os_calloc(len, sizeof(struct wpa_used_freq_data)); | |
6266 | if (!freqs_data) | |
6267 | return -1; | |
6268 | ||
6269 | num = get_shared_radio_freqs_data(wpa_s, freqs_data, len); | |
6270 | for (i = 0; i < num; i++) | |
6271 | freq_array[i] = freqs_data[i].freq; | |
6272 | ||
6273 | os_free(freqs_data); | |
6274 | ||
6275 | return num; | |
6276 | } | |
b361d580 AK |
6277 | |
6278 | ||
d89c0701 AK |
6279 | static void wpas_rrm_neighbor_rep_timeout_handler(void *data, void *user_ctx) |
6280 | { | |
6281 | struct rrm_data *rrm = data; | |
6282 | ||
6283 | if (!rrm->notify_neighbor_rep) { | |
6284 | wpa_printf(MSG_ERROR, | |
6285 | "RRM: Unexpected neighbor report timeout"); | |
6286 | return; | |
6287 | } | |
6288 | ||
6289 | wpa_printf(MSG_DEBUG, "RRM: Notifying neighbor report - NONE"); | |
6290 | rrm->notify_neighbor_rep(rrm->neighbor_rep_cb_ctx, NULL); | |
6291 | ||
6292 | rrm->notify_neighbor_rep = NULL; | |
6293 | rrm->neighbor_rep_cb_ctx = NULL; | |
6294 | } | |
6295 | ||
6296 | ||
b361d580 AK |
6297 | /* |
6298 | * wpas_rrm_reset - Clear and reset all RRM data in wpa_supplicant | |
6299 | * @wpa_s: Pointer to wpa_supplicant | |
6300 | */ | |
6301 | void wpas_rrm_reset(struct wpa_supplicant *wpa_s) | |
6302 | { | |
6303 | wpa_s->rrm.rrm_used = 0; | |
d89c0701 AK |
6304 | |
6305 | eloop_cancel_timeout(wpas_rrm_neighbor_rep_timeout_handler, &wpa_s->rrm, | |
6306 | NULL); | |
6307 | if (wpa_s->rrm.notify_neighbor_rep) | |
6308 | wpas_rrm_neighbor_rep_timeout_handler(&wpa_s->rrm, NULL); | |
6309 | wpa_s->rrm.next_neighbor_rep_token = 1; | |
6310 | } | |
6311 | ||
6312 | ||
6313 | /* | |
6314 | * wpas_rrm_process_neighbor_rep - Handle incoming neighbor report | |
6315 | * @wpa_s: Pointer to wpa_supplicant | |
6316 | * @report: Neighbor report buffer, prefixed by a 1-byte dialog token | |
6317 | * @report_len: Length of neighbor report buffer | |
6318 | */ | |
6319 | void wpas_rrm_process_neighbor_rep(struct wpa_supplicant *wpa_s, | |
6320 | const u8 *report, size_t report_len) | |
6321 | { | |
6322 | struct wpabuf *neighbor_rep; | |
6323 | ||
6324 | wpa_hexdump(MSG_DEBUG, "RRM: New Neighbor Report", report, report_len); | |
6325 | if (report_len < 1) | |
6326 | return; | |
6327 | ||
6328 | if (report[0] != wpa_s->rrm.next_neighbor_rep_token - 1) { | |
6329 | wpa_printf(MSG_DEBUG, | |
6330 | "RRM: Discarding neighbor report with token %d (expected %d)", | |
6331 | report[0], wpa_s->rrm.next_neighbor_rep_token - 1); | |
6332 | return; | |
6333 | } | |
6334 | ||
6335 | eloop_cancel_timeout(wpas_rrm_neighbor_rep_timeout_handler, &wpa_s->rrm, | |
6336 | NULL); | |
6337 | ||
6338 | if (!wpa_s->rrm.notify_neighbor_rep) { | |
6339 | wpa_printf(MSG_ERROR, "RRM: Unexpected neighbor report"); | |
6340 | return; | |
6341 | } | |
6342 | ||
6343 | /* skipping the first byte, which is only an id (dialog token) */ | |
6344 | neighbor_rep = wpabuf_alloc(report_len - 1); | |
6345 | if (neighbor_rep == NULL) | |
6346 | return; | |
6347 | wpabuf_put_data(neighbor_rep, report + 1, report_len - 1); | |
6348 | wpa_printf(MSG_DEBUG, "RRM: Notifying neighbor report (token = %d)", | |
6349 | report[0]); | |
6350 | wpa_s->rrm.notify_neighbor_rep(wpa_s->rrm.neighbor_rep_cb_ctx, | |
6351 | neighbor_rep); | |
6352 | wpa_s->rrm.notify_neighbor_rep = NULL; | |
6353 | wpa_s->rrm.neighbor_rep_cb_ctx = NULL; | |
6354 | } | |
6355 | ||
6356 | ||
b09baf37 JM |
6357 | #if defined(__CYGWIN__) || defined(CONFIG_NATIVE_WINDOWS) |
6358 | /* Workaround different, undefined for Windows, error codes used here */ | |
6359 | #define ENOTCONN -1 | |
6360 | #define EOPNOTSUPP -1 | |
6361 | #define ECANCELED -1 | |
6362 | #endif | |
6363 | ||
d41a5352 DS |
6364 | /* Measurement Request element + Location Subject + Maximum Age subelement */ |
6365 | #define MEASURE_REQUEST_LCI_LEN (3 + 1 + 4) | |
6366 | /* Measurement Request element + Location Civic Request */ | |
6367 | #define MEASURE_REQUEST_CIVIC_LEN (3 + 5) | |
6368 | ||
6369 | ||
d89c0701 AK |
6370 | /** |
6371 | * wpas_rrm_send_neighbor_rep_request - Request a neighbor report from our AP | |
6372 | * @wpa_s: Pointer to wpa_supplicant | |
4c4b2305 AK |
6373 | * @ssid: if not null, this is sent in the request. Otherwise, no SSID IE |
6374 | * is sent in the request. | |
d41a5352 DS |
6375 | * @lci: if set, neighbor request will include LCI request |
6376 | * @civic: if set, neighbor request will include civic location request | |
d89c0701 AK |
6377 | * @cb: Callback function to be called once the requested report arrives, or |
6378 | * timed out after RRM_NEIGHBOR_REPORT_TIMEOUT seconds. | |
6379 | * In the former case, 'neighbor_rep' is a newly allocated wpabuf, and it's | |
6380 | * the requester's responsibility to free it. | |
6381 | * In the latter case NULL will be sent in 'neighbor_rep'. | |
6382 | * @cb_ctx: Context value to send the callback function | |
6383 | * Returns: 0 in case of success, negative error code otherwise | |
6384 | * | |
6385 | * In case there is a previous request which has not been answered yet, the | |
6386 | * new request fails. The caller may retry after RRM_NEIGHBOR_REPORT_TIMEOUT. | |
6387 | * Request must contain a callback function. | |
d89c0701 AK |
6388 | */ |
6389 | int wpas_rrm_send_neighbor_rep_request(struct wpa_supplicant *wpa_s, | |
d41a5352 DS |
6390 | const struct wpa_ssid_value *ssid, |
6391 | int lci, int civic, | |
d89c0701 AK |
6392 | void (*cb)(void *ctx, |
6393 | struct wpabuf *neighbor_rep), | |
6394 | void *cb_ctx) | |
6395 | { | |
6396 | struct wpabuf *buf; | |
6397 | const u8 *rrm_ie; | |
6398 | ||
6399 | if (wpa_s->wpa_state != WPA_COMPLETED || wpa_s->current_ssid == NULL) { | |
6400 | wpa_printf(MSG_DEBUG, "RRM: No connection, no RRM."); | |
6401 | return -ENOTCONN; | |
6402 | } | |
6403 | ||
6404 | if (!wpa_s->rrm.rrm_used) { | |
6405 | wpa_printf(MSG_DEBUG, "RRM: No RRM in current connection."); | |
6406 | return -EOPNOTSUPP; | |
6407 | } | |
6408 | ||
6409 | rrm_ie = wpa_bss_get_ie(wpa_s->current_bss, | |
6410 | WLAN_EID_RRM_ENABLED_CAPABILITIES); | |
6411 | if (!rrm_ie || !(wpa_s->current_bss->caps & IEEE80211_CAP_RRM) || | |
6412 | !(rrm_ie[2] & WLAN_RRM_CAPS_NEIGHBOR_REPORT)) { | |
6413 | wpa_printf(MSG_DEBUG, | |
6414 | "RRM: No network support for Neighbor Report."); | |
6415 | return -EOPNOTSUPP; | |
6416 | } | |
6417 | ||
6418 | if (!cb) { | |
6419 | wpa_printf(MSG_DEBUG, | |
6420 | "RRM: Neighbor Report request must provide a callback."); | |
6421 | return -EINVAL; | |
6422 | } | |
6423 | ||
6424 | /* Refuse if there's a live request */ | |
6425 | if (wpa_s->rrm.notify_neighbor_rep) { | |
6426 | wpa_printf(MSG_DEBUG, | |
6427 | "RRM: Currently handling previous Neighbor Report."); | |
6428 | return -EBUSY; | |
6429 | } | |
6430 | ||
4c4b2305 | 6431 | /* 3 = action category + action code + dialog token */ |
d41a5352 DS |
6432 | buf = wpabuf_alloc(3 + (ssid ? 2 + ssid->ssid_len : 0) + |
6433 | (lci ? 2 + MEASURE_REQUEST_LCI_LEN : 0) + | |
6434 | (civic ? 2 + MEASURE_REQUEST_CIVIC_LEN : 0)); | |
d89c0701 AK |
6435 | if (buf == NULL) { |
6436 | wpa_printf(MSG_DEBUG, | |
6437 | "RRM: Failed to allocate Neighbor Report Request"); | |
6438 | return -ENOMEM; | |
6439 | } | |
6440 | ||
6441 | wpa_printf(MSG_DEBUG, "RRM: Neighbor report request (for %s), token=%d", | |
4c4b2305 | 6442 | (ssid ? wpa_ssid_txt(ssid->ssid, ssid->ssid_len) : ""), |
d89c0701 AK |
6443 | wpa_s->rrm.next_neighbor_rep_token); |
6444 | ||
6445 | wpabuf_put_u8(buf, WLAN_ACTION_RADIO_MEASUREMENT); | |
6446 | wpabuf_put_u8(buf, WLAN_RRM_NEIGHBOR_REPORT_REQUEST); | |
6447 | wpabuf_put_u8(buf, wpa_s->rrm.next_neighbor_rep_token); | |
4c4b2305 AK |
6448 | if (ssid) { |
6449 | wpabuf_put_u8(buf, WLAN_EID_SSID); | |
6450 | wpabuf_put_u8(buf, ssid->ssid_len); | |
6451 | wpabuf_put_data(buf, ssid->ssid, ssid->ssid_len); | |
6452 | } | |
d89c0701 | 6453 | |
d41a5352 DS |
6454 | if (lci) { |
6455 | /* IEEE P802.11-REVmc/D5.0 9.4.2.21 */ | |
6456 | wpabuf_put_u8(buf, WLAN_EID_MEASURE_REQUEST); | |
6457 | wpabuf_put_u8(buf, MEASURE_REQUEST_LCI_LEN); | |
6458 | ||
6459 | /* | |
6460 | * Measurement token; nonzero number that is unique among the | |
6461 | * Measurement Request elements in a particular frame. | |
6462 | */ | |
6463 | wpabuf_put_u8(buf, 1); /* Measurement Token */ | |
6464 | ||
6465 | /* | |
6466 | * Parallel, Enable, Request, and Report bits are 0, Duration is | |
6467 | * reserved. | |
6468 | */ | |
6469 | wpabuf_put_u8(buf, 0); /* Measurement Request Mode */ | |
6470 | wpabuf_put_u8(buf, MEASURE_TYPE_LCI); /* Measurement Type */ | |
6471 | ||
6472 | /* IEEE P802.11-REVmc/D5.0 9.4.2.21.10 - LCI request */ | |
6473 | /* Location Subject */ | |
6474 | wpabuf_put_u8(buf, LOCATION_SUBJECT_REMOTE); | |
6475 | ||
6476 | /* Optional Subelements */ | |
6477 | /* | |
6478 | * IEEE P802.11-REVmc/D5.0 Figure 9-170 | |
6479 | * The Maximum Age subelement is required, otherwise the AP can | |
6480 | * send only data that was determined after receiving the | |
6481 | * request. Setting it here to unlimited age. | |
6482 | */ | |
6483 | wpabuf_put_u8(buf, LCI_REQ_SUBELEM_MAX_AGE); | |
6484 | wpabuf_put_u8(buf, 2); | |
6485 | wpabuf_put_le16(buf, 0xffff); | |
6486 | } | |
6487 | ||
6488 | if (civic) { | |
6489 | /* IEEE P802.11-REVmc/D5.0 9.4.2.21 */ | |
6490 | wpabuf_put_u8(buf, WLAN_EID_MEASURE_REQUEST); | |
6491 | wpabuf_put_u8(buf, MEASURE_REQUEST_CIVIC_LEN); | |
6492 | ||
6493 | /* | |
6494 | * Measurement token; nonzero number that is unique among the | |
6495 | * Measurement Request elements in a particular frame. | |
6496 | */ | |
6497 | wpabuf_put_u8(buf, 2); /* Measurement Token */ | |
6498 | ||
6499 | /* | |
6500 | * Parallel, Enable, Request, and Report bits are 0, Duration is | |
6501 | * reserved. | |
6502 | */ | |
6503 | wpabuf_put_u8(buf, 0); /* Measurement Request Mode */ | |
6504 | /* Measurement Type */ | |
6505 | wpabuf_put_u8(buf, MEASURE_TYPE_LOCATION_CIVIC); | |
6506 | ||
6507 | /* IEEE P802.11-REVmc/D5.0 9.4.2.21.14: | |
6508 | * Location Civic request */ | |
6509 | /* Location Subject */ | |
6510 | wpabuf_put_u8(buf, LOCATION_SUBJECT_REMOTE); | |
6511 | wpabuf_put_u8(buf, 0); /* Civic Location Type: IETF RFC 4776 */ | |
6512 | /* Location Service Interval Units: Seconds */ | |
6513 | wpabuf_put_u8(buf, 0); | |
6514 | /* Location Service Interval: 0 - Only one report is requested | |
6515 | */ | |
6516 | wpabuf_put_le16(buf, 0); | |
6517 | /* No optional subelements */ | |
6518 | } | |
6519 | ||
d89c0701 AK |
6520 | wpa_s->rrm.next_neighbor_rep_token++; |
6521 | ||
6522 | if (wpa_drv_send_action(wpa_s, wpa_s->assoc_freq, 0, wpa_s->bssid, | |
6523 | wpa_s->own_addr, wpa_s->bssid, | |
6524 | wpabuf_head(buf), wpabuf_len(buf), 0) < 0) { | |
6525 | wpa_printf(MSG_DEBUG, | |
6526 | "RRM: Failed to send Neighbor Report Request"); | |
6527 | wpabuf_free(buf); | |
6528 | return -ECANCELED; | |
6529 | } | |
6530 | ||
6531 | wpa_s->rrm.neighbor_rep_cb_ctx = cb_ctx; | |
6532 | wpa_s->rrm.notify_neighbor_rep = cb; | |
6533 | eloop_register_timeout(RRM_NEIGHBOR_REPORT_TIMEOUT, 0, | |
6534 | wpas_rrm_neighbor_rep_timeout_handler, | |
6535 | &wpa_s->rrm, NULL); | |
6536 | ||
6537 | wpabuf_free(buf); | |
6538 | return 0; | |
b361d580 | 6539 | } |
70d1e728 AO |
6540 | |
6541 | ||
4a742011 DS |
6542 | static struct wpabuf * wpas_rrm_build_lci_report(struct wpa_supplicant *wpa_s, |
6543 | const u8 *request, size_t len, | |
6544 | struct wpabuf *report) | |
6545 | { | |
6546 | u8 token, type, subject; | |
6547 | u16 max_age = 0; | |
6548 | struct os_reltime t, diff; | |
6549 | unsigned long diff_l; | |
6550 | u8 *ptoken; | |
6551 | const u8 *subelem; | |
6552 | ||
6553 | if (!wpa_s->lci || len < 3 + 4) | |
6554 | return report; | |
6555 | ||
6556 | token = *request++; | |
6557 | /* Measurement request mode isn't used */ | |
6558 | request++; | |
6559 | type = *request++; | |
6560 | subject = *request++; | |
6561 | ||
6562 | wpa_printf(MSG_DEBUG, | |
6563 | "Measurement request token %u type %u location subject %u", | |
6564 | token, type, subject); | |
6565 | ||
6566 | if (type != MEASURE_TYPE_LCI || subject != LOCATION_SUBJECT_REMOTE) { | |
6567 | wpa_printf(MSG_INFO, | |
6568 | "Not building LCI report - bad type or location subject"); | |
6569 | return report; | |
6570 | } | |
6571 | ||
6572 | /* Subelements are formatted exactly like elements */ | |
6573 | subelem = get_ie(request, len, LCI_REQ_SUBELEM_MAX_AGE); | |
6574 | if (subelem && subelem[1] == 2) | |
6575 | max_age = WPA_GET_LE16(subelem + 2); | |
6576 | ||
6577 | if (os_get_reltime(&t)) | |
6578 | return report; | |
6579 | ||
6580 | os_reltime_sub(&t, &wpa_s->lci_time, &diff); | |
6581 | /* LCI age is calculated in 10th of a second units. */ | |
6582 | diff_l = diff.sec * 10 + diff.usec / 100000; | |
6583 | ||
6584 | if (max_age != 0xffff && max_age < diff_l) | |
6585 | return report; | |
6586 | ||
6587 | if (wpabuf_resize(&report, 2 + wpabuf_len(wpa_s->lci))) | |
6588 | return report; | |
6589 | ||
6590 | wpabuf_put_u8(report, WLAN_EID_MEASURE_REPORT); | |
6591 | wpabuf_put_u8(report, wpabuf_len(wpa_s->lci)); | |
6592 | /* We'll override user's measurement token */ | |
6593 | ptoken = wpabuf_put(report, 0); | |
6594 | wpabuf_put_buf(report, wpa_s->lci); | |
6595 | *ptoken = token; | |
6596 | ||
6597 | return report; | |
6598 | } | |
6599 | ||
6600 | ||
6601 | void wpas_rrm_handle_radio_measurement_request(struct wpa_supplicant *wpa_s, | |
6602 | const u8 *src, | |
6603 | const u8 *frame, size_t len) | |
6604 | { | |
6605 | struct wpabuf *buf, *report; | |
6606 | u8 token; | |
6607 | const u8 *ie, *end; | |
6608 | ||
6609 | if (wpa_s->wpa_state != WPA_COMPLETED) { | |
6610 | wpa_printf(MSG_INFO, | |
6611 | "RRM: Ignoring radio measurement request: Not associated"); | |
6612 | return; | |
6613 | } | |
6614 | ||
6615 | if (!wpa_s->rrm.rrm_used) { | |
6616 | wpa_printf(MSG_INFO, | |
6617 | "RRM: Ignoring radio measurement request: Not RRM network"); | |
6618 | return; | |
6619 | } | |
6620 | ||
6621 | if (len < 3) { | |
6622 | wpa_printf(MSG_INFO, | |
6623 | "RRM: Ignoring too short radio measurement request"); | |
6624 | return; | |
6625 | } | |
6626 | ||
6627 | end = frame + len; | |
6628 | ||
6629 | token = *frame++; | |
6630 | ||
6631 | /* Ignore number of repetitions because it's not used in LCI request */ | |
6632 | frame += 2; | |
6633 | ||
6634 | report = NULL; | |
6635 | while ((ie = get_ie(frame, end - frame, WLAN_EID_MEASURE_REQUEST)) && | |
6636 | ie[1] >= 3) { | |
6637 | u8 msmt_type; | |
6638 | ||
6639 | msmt_type = ie[4]; | |
6640 | wpa_printf(MSG_DEBUG, "RRM request %d", msmt_type); | |
6641 | ||
6642 | switch (msmt_type) { | |
6643 | case MEASURE_TYPE_LCI: | |
6644 | report = wpas_rrm_build_lci_report(wpa_s, ie + 2, ie[1], | |
6645 | report); | |
6646 | break; | |
6647 | default: | |
6648 | wpa_printf(MSG_INFO, | |
6649 | "RRM: Unsupported radio measurement request %d", | |
6650 | msmt_type); | |
6651 | break; | |
6652 | } | |
6653 | ||
6654 | frame = ie + ie[1] + 2; | |
6655 | } | |
6656 | ||
6657 | if (!report) | |
6658 | return; | |
6659 | ||
6660 | buf = wpabuf_alloc(3 + wpabuf_len(report)); | |
6661 | if (!buf) { | |
6662 | wpabuf_free(report); | |
6663 | return; | |
6664 | } | |
6665 | ||
6666 | wpabuf_put_u8(buf, WLAN_ACTION_RADIO_MEASUREMENT); | |
6667 | wpabuf_put_u8(buf, WLAN_RRM_RADIO_MEASUREMENT_REPORT); | |
6668 | wpabuf_put_u8(buf, token); | |
6669 | ||
6670 | wpabuf_put_buf(buf, report); | |
6671 | wpabuf_free(report); | |
6672 | ||
6673 | if (wpa_drv_send_action(wpa_s, wpa_s->assoc_freq, 0, src, | |
6674 | wpa_s->own_addr, wpa_s->bssid, | |
6675 | wpabuf_head(buf), wpabuf_len(buf), 0)) { | |
6676 | wpa_printf(MSG_ERROR, | |
6677 | "RRM: Radio measurement report failed: Sending Action frame failed"); | |
6678 | } | |
6679 | wpabuf_free(buf); | |
6680 | } | |
6681 | ||
6682 | ||
70d1e728 AO |
6683 | void wpas_rrm_handle_link_measurement_request(struct wpa_supplicant *wpa_s, |
6684 | const u8 *src, | |
6685 | const u8 *frame, size_t len, | |
6686 | int rssi) | |
6687 | { | |
6688 | struct wpabuf *buf; | |
6689 | const struct rrm_link_measurement_request *req; | |
6690 | struct rrm_link_measurement_report report; | |
6691 | ||
6692 | if (wpa_s->wpa_state != WPA_COMPLETED) { | |
6693 | wpa_printf(MSG_INFO, | |
6694 | "RRM: Ignoring link measurement request. Not associated"); | |
6695 | return; | |
6696 | } | |
6697 | ||
6698 | if (!wpa_s->rrm.rrm_used) { | |
6699 | wpa_printf(MSG_INFO, | |
6700 | "RRM: Ignoring link measurement request. Not RRM network"); | |
6701 | return; | |
6702 | } | |
6703 | ||
6704 | if (!(wpa_s->drv_rrm_flags & WPA_DRIVER_FLAGS_TX_POWER_INSERTION)) { | |
6705 | wpa_printf(MSG_INFO, | |
6706 | "RRM: Measurement report failed. TX power insertion not supported"); | |
6707 | return; | |
6708 | } | |
6709 | ||
6710 | req = (const struct rrm_link_measurement_request *) frame; | |
6711 | if (len < sizeof(*req)) { | |
6712 | wpa_printf(MSG_INFO, | |
6713 | "RRM: Link measurement report failed. Request too short"); | |
6714 | return; | |
6715 | } | |
6716 | ||
6717 | os_memset(&report, 0, sizeof(report)); | |
6718 | report.tpc.eid = WLAN_EID_TPC_REPORT; | |
6719 | report.tpc.len = 2; | |
6720 | report.rsni = 255; /* 255 indicates that RSNI is not available */ | |
6721 | report.dialog_token = req->dialog_token; | |
6722 | ||
6723 | /* | |
6724 | * It's possible to estimate RCPI based on RSSI in dBm. This | |
6725 | * calculation will not reflect the correct value for high rates, | |
6726 | * but it's good enough for Action frames which are transmitted | |
6727 | * with up to 24 Mbps rates. | |
6728 | */ | |
6729 | if (!rssi) | |
6730 | report.rcpi = 255; /* not available */ | |
6731 | else if (rssi < -110) | |
6732 | report.rcpi = 0; | |
6733 | else if (rssi > 0) | |
6734 | report.rcpi = 220; | |
6735 | else | |
6736 | report.rcpi = (rssi + 110) * 2; | |
6737 | ||
6738 | /* action_category + action_code */ | |
6739 | buf = wpabuf_alloc(2 + sizeof(report)); | |
6740 | if (buf == NULL) { | |
6741 | wpa_printf(MSG_ERROR, | |
6742 | "RRM: Link measurement report failed. Buffer allocation failed"); | |
6743 | return; | |
6744 | } | |
6745 | ||
6746 | wpabuf_put_u8(buf, WLAN_ACTION_RADIO_MEASUREMENT); | |
6747 | wpabuf_put_u8(buf, WLAN_RRM_LINK_MEASUREMENT_REPORT); | |
6748 | wpabuf_put_data(buf, &report, sizeof(report)); | |
6749 | wpa_hexdump(MSG_DEBUG, "RRM: Link measurement report:", | |
6750 | wpabuf_head(buf), wpabuf_len(buf)); | |
6751 | ||
6752 | if (wpa_drv_send_action(wpa_s, wpa_s->assoc_freq, 0, src, | |
6753 | wpa_s->own_addr, wpa_s->bssid, | |
6754 | wpabuf_head(buf), wpabuf_len(buf), 0)) { | |
6755 | wpa_printf(MSG_ERROR, | |
6756 | "RRM: Link measurement report failed. Send action failed"); | |
6757 | } | |
6758 | wpabuf_free(buf); | |
6759 | } | |
af041f99 AA |
6760 | |
6761 | ||
6762 | struct wpa_supplicant * | |
6763 | wpas_vendor_elem(struct wpa_supplicant *wpa_s, enum wpa_vendor_elem_frame frame) | |
6764 | { | |
6765 | switch (frame) { | |
6766 | #ifdef CONFIG_P2P | |
6767 | case VENDOR_ELEM_PROBE_REQ_P2P: | |
6768 | case VENDOR_ELEM_PROBE_RESP_P2P: | |
6769 | case VENDOR_ELEM_PROBE_RESP_P2P_GO: | |
6770 | case VENDOR_ELEM_BEACON_P2P_GO: | |
6771 | case VENDOR_ELEM_P2P_PD_REQ: | |
6772 | case VENDOR_ELEM_P2P_PD_RESP: | |
6773 | case VENDOR_ELEM_P2P_GO_NEG_REQ: | |
6774 | case VENDOR_ELEM_P2P_GO_NEG_RESP: | |
6775 | case VENDOR_ELEM_P2P_GO_NEG_CONF: | |
6776 | case VENDOR_ELEM_P2P_INV_REQ: | |
6777 | case VENDOR_ELEM_P2P_INV_RESP: | |
6778 | case VENDOR_ELEM_P2P_ASSOC_REQ: | |
6779 | case VENDOR_ELEM_P2P_ASSOC_RESP: | |
ba307f85 | 6780 | return wpa_s->p2pdev; |
af041f99 AA |
6781 | #endif /* CONFIG_P2P */ |
6782 | default: | |
6783 | return wpa_s; | |
6784 | } | |
6785 | } | |
6786 | ||
6787 | ||
6788 | void wpas_vendor_elem_update(struct wpa_supplicant *wpa_s) | |
6789 | { | |
6790 | unsigned int i; | |
6791 | char buf[30]; | |
6792 | ||
6793 | wpa_printf(MSG_DEBUG, "Update vendor elements"); | |
6794 | ||
6795 | for (i = 0; i < NUM_VENDOR_ELEM_FRAMES; i++) { | |
6796 | if (wpa_s->vendor_elem[i]) { | |
6797 | int res; | |
6798 | ||
6799 | res = os_snprintf(buf, sizeof(buf), "frame[%u]", i); | |
6800 | if (!os_snprintf_error(sizeof(buf), res)) { | |
6801 | wpa_hexdump_buf(MSG_DEBUG, buf, | |
6802 | wpa_s->vendor_elem[i]); | |
6803 | } | |
6804 | } | |
6805 | } | |
6806 | ||
6807 | #ifdef CONFIG_P2P | |
6808 | if (wpa_s->parent == wpa_s && | |
6809 | wpa_s->global->p2p && | |
6810 | !wpa_s->global->p2p_disabled) | |
6811 | p2p_set_vendor_elems(wpa_s->global->p2p, wpa_s->vendor_elem); | |
6812 | #endif /* CONFIG_P2P */ | |
6813 | } | |
6814 | ||
6815 | ||
6816 | int wpas_vendor_elem_remove(struct wpa_supplicant *wpa_s, int frame, | |
6817 | const u8 *elem, size_t len) | |
6818 | { | |
6819 | u8 *ie, *end; | |
6820 | ||
6821 | ie = wpabuf_mhead_u8(wpa_s->vendor_elem[frame]); | |
6822 | end = ie + wpabuf_len(wpa_s->vendor_elem[frame]); | |
6823 | ||
6824 | for (; ie + 1 < end; ie += 2 + ie[1]) { | |
6825 | if (ie + len > end) | |
6826 | break; | |
6827 | if (os_memcmp(ie, elem, len) != 0) | |
6828 | continue; | |
6829 | ||
6830 | if (wpabuf_len(wpa_s->vendor_elem[frame]) == len) { | |
6831 | wpabuf_free(wpa_s->vendor_elem[frame]); | |
6832 | wpa_s->vendor_elem[frame] = NULL; | |
6833 | } else { | |
6834 | os_memmove(ie, ie + len, end - (ie + len)); | |
6835 | wpa_s->vendor_elem[frame]->used -= len; | |
6836 | } | |
6837 | wpas_vendor_elem_update(wpa_s); | |
6838 | return 0; | |
6839 | } | |
6840 | ||
6841 | return -1; | |
6842 | } | |
ea69d973 AS |
6843 | |
6844 | ||
6845 | struct hostapd_hw_modes * get_mode(struct hostapd_hw_modes *modes, | |
6846 | u16 num_modes, enum hostapd_hw_mode mode) | |
6847 | { | |
6848 | u16 i; | |
6849 | ||
6850 | for (i = 0; i < num_modes; i++) { | |
6851 | if (modes[i].mode == mode) | |
6852 | return &modes[i]; | |
6853 | } | |
6854 | ||
6855 | return NULL; | |
6856 | } | |
dd599908 AS |
6857 | |
6858 | ||
6859 | static struct | |
6860 | wpa_bss_tmp_disallowed * wpas_get_disallowed_bss(struct wpa_supplicant *wpa_s, | |
6861 | const u8 *bssid) | |
6862 | { | |
6863 | struct wpa_bss_tmp_disallowed *bss; | |
6864 | ||
6865 | dl_list_for_each(bss, &wpa_s->bss_tmp_disallowed, | |
6866 | struct wpa_bss_tmp_disallowed, list) { | |
6867 | if (os_memcmp(bssid, bss->bssid, ETH_ALEN) == 0) | |
6868 | return bss; | |
6869 | } | |
6870 | ||
6871 | return NULL; | |
6872 | } | |
6873 | ||
6874 | ||
6875 | void wpa_bss_tmp_disallow(struct wpa_supplicant *wpa_s, const u8 *bssid, | |
6876 | unsigned int sec) | |
6877 | { | |
6878 | struct wpa_bss_tmp_disallowed *bss; | |
6879 | struct os_reltime until; | |
6880 | ||
6881 | os_get_reltime(&until); | |
6882 | until.sec += sec; | |
6883 | ||
6884 | bss = wpas_get_disallowed_bss(wpa_s, bssid); | |
6885 | if (bss) { | |
6886 | bss->disallowed_until = until; | |
6887 | return; | |
6888 | } | |
6889 | ||
6890 | bss = os_malloc(sizeof(*bss)); | |
6891 | if (!bss) { | |
6892 | wpa_printf(MSG_DEBUG, | |
6893 | "Failed to allocate memory for temp disallow BSS"); | |
6894 | return; | |
6895 | } | |
6896 | ||
6897 | bss->disallowed_until = until; | |
6898 | os_memcpy(bss->bssid, bssid, ETH_ALEN); | |
6899 | dl_list_add(&wpa_s->bss_tmp_disallowed, &bss->list); | |
6900 | } | |
6901 | ||
6902 | ||
6903 | int wpa_is_bss_tmp_disallowed(struct wpa_supplicant *wpa_s, const u8 *bssid) | |
6904 | { | |
d010048c | 6905 | struct wpa_bss_tmp_disallowed *bss = NULL, *tmp, *prev; |
dd599908 AS |
6906 | struct os_reltime now, age; |
6907 | ||
6908 | os_get_reltime(&now); | |
6909 | ||
d010048c JM |
6910 | dl_list_for_each_safe(tmp, prev, &wpa_s->bss_tmp_disallowed, |
6911 | struct wpa_bss_tmp_disallowed, list) { | |
6912 | if (!os_reltime_before(&now, &tmp->disallowed_until)) { | |
6913 | /* This BSS is not disallowed anymore */ | |
6914 | dl_list_del(&tmp->list); | |
6915 | os_free(tmp); | |
6916 | continue; | |
6917 | } | |
6918 | if (os_memcmp(bssid, tmp->bssid, ETH_ALEN) == 0) { | |
6919 | bss = tmp; | |
6920 | break; | |
6921 | } | |
6922 | } | |
dd599908 AS |
6923 | if (!bss) |
6924 | return 0; | |
6925 | ||
d010048c JM |
6926 | os_reltime_sub(&bss->disallowed_until, &now, &age); |
6927 | wpa_printf(MSG_DEBUG, | |
6928 | "BSS " MACSTR " disabled for %ld.%0ld seconds", | |
6929 | MAC2STR(bss->bssid), age.sec, age.usec); | |
6930 | return 1; | |
dd599908 | 6931 | } |