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6fc6879b JM |
1 | /* |
2 | * WPA Supplicant - Glue code to setup EAPOL and RSN modules | |
98cd3d1c | 3 | * Copyright (c) 2003-2015, Jouni Malinen <j@w1.fi> |
6fc6879b | 4 | * |
0f3d578e JM |
5 | * This software may be distributed under the terms of the BSD license. |
6 | * See README for more details. | |
6fc6879b JM |
7 | */ |
8 | ||
9 | #include "includes.h" | |
10 | ||
11 | #include "common.h" | |
12 | #include "eapol_supp/eapol_supp_sm.h" | |
c167662d | 13 | #include "eap_peer/eap.h" |
3acb5005 | 14 | #include "rsn_supp/wpa.h" |
6fc6879b JM |
15 | #include "eloop.h" |
16 | #include "config.h" | |
17 | #include "l2_packet/l2_packet.h" | |
90973fb2 | 18 | #include "common/wpa_common.h" |
6fc6879b | 19 | #include "wpa_supplicant_i.h" |
2d5b792d | 20 | #include "driver_i.h" |
3acb5005 | 21 | #include "rsn_supp/pmksa_cache.h" |
c2a04078 | 22 | #include "sme.h" |
90973fb2 JM |
23 | #include "common/ieee802_11_defs.h" |
24 | #include "common/wpa_ctrl.h" | |
6fc6879b | 25 | #include "wpas_glue.h" |
fa201b69 | 26 | #include "wps_supplicant.h" |
e48f0fb6 | 27 | #include "bss.h" |
9ba9fa07 | 28 | #include "scan.h" |
ade74830 | 29 | #include "notify.h" |
dd10abcc | 30 | #include "wpas_kay.h" |
6fc6879b JM |
31 | |
32 | ||
33 | #ifndef CONFIG_NO_CONFIG_BLOBS | |
34 | #if defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA) | |
35 | static void wpa_supplicant_set_config_blob(void *ctx, | |
36 | struct wpa_config_blob *blob) | |
37 | { | |
38 | struct wpa_supplicant *wpa_s = ctx; | |
39 | wpa_config_set_blob(wpa_s->conf, blob); | |
c08b9180 JM |
40 | if (wpa_s->conf->update_config) { |
41 | int ret = wpa_config_write(wpa_s->confname, wpa_s->conf); | |
42 | if (ret) { | |
43 | wpa_printf(MSG_DEBUG, "Failed to update config after " | |
44 | "blob set"); | |
45 | } | |
46 | } | |
6fc6879b JM |
47 | } |
48 | ||
49 | ||
50 | static const struct wpa_config_blob * | |
51 | wpa_supplicant_get_config_blob(void *ctx, const char *name) | |
52 | { | |
53 | struct wpa_supplicant *wpa_s = ctx; | |
54 | return wpa_config_get_blob(wpa_s->conf, name); | |
55 | } | |
56 | #endif /* defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA) */ | |
57 | #endif /* CONFIG_NO_CONFIG_BLOBS */ | |
58 | ||
59 | ||
60 | #if defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA) | |
61 | static u8 * wpa_alloc_eapol(const struct wpa_supplicant *wpa_s, u8 type, | |
62 | const void *data, u16 data_len, | |
63 | size_t *msg_len, void **data_pos) | |
64 | { | |
65 | struct ieee802_1x_hdr *hdr; | |
66 | ||
67 | *msg_len = sizeof(*hdr) + data_len; | |
68 | hdr = os_malloc(*msg_len); | |
69 | if (hdr == NULL) | |
70 | return NULL; | |
71 | ||
72 | hdr->version = wpa_s->conf->eapol_version; | |
73 | hdr->type = type; | |
74 | hdr->length = host_to_be16(data_len); | |
75 | ||
76 | if (data) | |
77 | os_memcpy(hdr + 1, data, data_len); | |
78 | else | |
79 | os_memset(hdr + 1, 0, data_len); | |
80 | ||
81 | if (data_pos) | |
82 | *data_pos = hdr + 1; | |
83 | ||
84 | return (u8 *) hdr; | |
85 | } | |
86 | ||
87 | ||
88 | /** | |
89 | * wpa_ether_send - Send Ethernet frame | |
90 | * @wpa_s: Pointer to wpa_supplicant data | |
91 | * @dest: Destination MAC address | |
92 | * @proto: Ethertype in host byte order | |
93 | * @buf: Frame payload starting from IEEE 802.1X header | |
94 | * @len: Frame payload length | |
95 | * Returns: >=0 on success, <0 on failure | |
96 | */ | |
97 | static int wpa_ether_send(struct wpa_supplicant *wpa_s, const u8 *dest, | |
98 | u16 proto, const u8 *buf, size_t len) | |
99 | { | |
9d4ff04a JM |
100 | #ifdef CONFIG_TESTING_OPTIONS |
101 | if (wpa_s->ext_eapol_frame_io && proto == ETH_P_EAPOL) { | |
102 | size_t hex_len = 2 * len + 1; | |
103 | char *hex = os_malloc(hex_len); | |
104 | ||
105 | if (hex == NULL) | |
106 | return -1; | |
107 | wpa_snprintf_hex(hex, hex_len, buf, len); | |
108 | wpa_msg(wpa_s, MSG_INFO, "EAPOL-TX " MACSTR " %s", | |
109 | MAC2STR(dest), hex); | |
110 | os_free(hex); | |
111 | return 0; | |
112 | } | |
113 | #endif /* CONFIG_TESTING_OPTIONS */ | |
114 | ||
6fc6879b JM |
115 | if (wpa_s->l2) { |
116 | return l2_packet_send(wpa_s->l2, dest, proto, buf, len); | |
117 | } | |
118 | ||
2961bfa8 | 119 | return -1; |
6fc6879b JM |
120 | } |
121 | #endif /* IEEE8021X_EAPOL || !CONFIG_NO_WPA */ | |
122 | ||
123 | ||
124 | #ifdef IEEE8021X_EAPOL | |
125 | ||
126 | /** | |
127 | * wpa_supplicant_eapol_send - Send IEEE 802.1X EAPOL packet to Authenticator | |
128 | * @ctx: Pointer to wpa_supplicant data (wpa_s) | |
129 | * @type: IEEE 802.1X packet type (IEEE802_1X_TYPE_*) | |
130 | * @buf: EAPOL payload (after IEEE 802.1X header) | |
131 | * @len: EAPOL payload length | |
132 | * Returns: >=0 on success, <0 on failure | |
133 | * | |
134 | * This function adds Ethernet and IEEE 802.1X header and sends the EAPOL frame | |
135 | * to the current Authenticator. | |
136 | */ | |
137 | static int wpa_supplicant_eapol_send(void *ctx, int type, const u8 *buf, | |
138 | size_t len) | |
139 | { | |
140 | struct wpa_supplicant *wpa_s = ctx; | |
141 | u8 *msg, *dst, bssid[ETH_ALEN]; | |
142 | size_t msglen; | |
143 | int res; | |
144 | ||
145 | /* TODO: could add l2_packet_sendmsg that allows fragments to avoid | |
146 | * extra copy here */ | |
147 | ||
56586197 | 148 | if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) || |
a1ea1b45 | 149 | wpa_s->key_mgmt == WPA_KEY_MGMT_OWE || |
567da5bb | 150 | wpa_s->key_mgmt == WPA_KEY_MGMT_DPP || |
6fc6879b JM |
151 | wpa_s->key_mgmt == WPA_KEY_MGMT_NONE) { |
152 | /* Current SSID is not using IEEE 802.1X/EAP, so drop possible | |
153 | * EAPOL frames (mainly, EAPOL-Start) from EAPOL state | |
154 | * machines. */ | |
155 | wpa_printf(MSG_DEBUG, "WPA: drop TX EAPOL in non-IEEE 802.1X " | |
156 | "mode (type=%d len=%lu)", type, | |
157 | (unsigned long) len); | |
158 | return -1; | |
159 | } | |
160 | ||
161 | if (pmksa_cache_get_current(wpa_s->wpa) && | |
162 | type == IEEE802_1X_TYPE_EAPOL_START) { | |
76db5b6b JM |
163 | /* |
164 | * We were trying to use PMKSA caching and sending EAPOL-Start | |
165 | * would abort that and trigger full EAPOL authentication. | |
166 | * However, we've already waited for the AP/Authenticator to | |
167 | * start 4-way handshake or EAP authentication, and apparently | |
168 | * it has not done so since the startWhen timer has reached zero | |
169 | * to get the state machine sending EAPOL-Start. This is not | |
170 | * really supposed to happen, but an interoperability issue with | |
171 | * a deployed AP has been identified where the connection fails | |
172 | * due to that AP failing to operate correctly if PMKID is | |
173 | * included in the Association Request frame. To work around | |
174 | * this, assume PMKSA caching failed and try to initiate full | |
175 | * EAP authentication. | |
176 | */ | |
177 | if (!wpa_s->current_ssid || | |
178 | wpa_s->current_ssid->eap_workaround) { | |
179 | wpa_printf(MSG_DEBUG, | |
180 | "RSN: Timeout on waiting for the AP to initiate 4-way handshake for PMKSA caching or EAP authentication - try to force it to start EAP authentication"); | |
181 | } else { | |
182 | wpa_printf(MSG_DEBUG, | |
183 | "RSN: PMKSA caching - do not send EAPOL-Start"); | |
184 | return -1; | |
185 | } | |
6fc6879b JM |
186 | } |
187 | ||
a8e16edc | 188 | if (is_zero_ether_addr(wpa_s->bssid)) { |
6fc6879b JM |
189 | wpa_printf(MSG_DEBUG, "BSSID not set when trying to send an " |
190 | "EAPOL frame"); | |
191 | if (wpa_drv_get_bssid(wpa_s, bssid) == 0 && | |
a8e16edc | 192 | !is_zero_ether_addr(bssid)) { |
6fc6879b JM |
193 | dst = bssid; |
194 | wpa_printf(MSG_DEBUG, "Using current BSSID " MACSTR | |
195 | " from the driver as the EAPOL destination", | |
196 | MAC2STR(dst)); | |
197 | } else { | |
198 | dst = wpa_s->last_eapol_src; | |
199 | wpa_printf(MSG_DEBUG, "Using the source address of the" | |
200 | " last received EAPOL frame " MACSTR " as " | |
201 | "the EAPOL destination", | |
202 | MAC2STR(dst)); | |
203 | } | |
204 | } else { | |
205 | /* BSSID was already set (from (Re)Assoc event, so use it as | |
206 | * the EAPOL destination. */ | |
207 | dst = wpa_s->bssid; | |
208 | } | |
209 | ||
210 | msg = wpa_alloc_eapol(wpa_s, type, buf, len, &msglen, NULL); | |
211 | if (msg == NULL) | |
212 | return -1; | |
213 | ||
214 | wpa_printf(MSG_DEBUG, "TX EAPOL: dst=" MACSTR, MAC2STR(dst)); | |
215 | wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", msg, msglen); | |
216 | res = wpa_ether_send(wpa_s, dst, ETH_P_EAPOL, msg, msglen); | |
217 | os_free(msg); | |
218 | return res; | |
219 | } | |
220 | ||
221 | ||
222 | /** | |
223 | * wpa_eapol_set_wep_key - set WEP key for the driver | |
224 | * @ctx: Pointer to wpa_supplicant data (wpa_s) | |
225 | * @unicast: 1 = individual unicast key, 0 = broadcast key | |
226 | * @keyidx: WEP key index (0..3) | |
227 | * @key: Pointer to key data | |
228 | * @keylen: Key length in bytes | |
229 | * Returns: 0 on success or < 0 on error. | |
230 | */ | |
231 | static int wpa_eapol_set_wep_key(void *ctx, int unicast, int keyidx, | |
232 | const u8 *key, size_t keylen) | |
233 | { | |
234 | struct wpa_supplicant *wpa_s = ctx; | |
235 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) { | |
236 | int cipher = (keylen == 5) ? WPA_CIPHER_WEP40 : | |
237 | WPA_CIPHER_WEP104; | |
238 | if (unicast) | |
239 | wpa_s->pairwise_cipher = cipher; | |
240 | else | |
241 | wpa_s->group_cipher = cipher; | |
242 | } | |
243 | return wpa_drv_set_key(wpa_s, WPA_ALG_WEP, | |
0382097e | 244 | unicast ? wpa_s->bssid : NULL, |
da64c266 | 245 | keyidx, unicast, NULL, 0, key, keylen); |
6fc6879b JM |
246 | } |
247 | ||
248 | ||
249 | static void wpa_supplicant_aborted_cached(void *ctx) | |
250 | { | |
251 | struct wpa_supplicant *wpa_s = ctx; | |
252 | wpa_sm_aborted_cached(wpa_s->wpa); | |
253 | } | |
254 | ||
255 | ||
c60ba9f7 JM |
256 | static const char * result_str(enum eapol_supp_result result) |
257 | { | |
258 | switch (result) { | |
259 | case EAPOL_SUPP_RESULT_FAILURE: | |
260 | return "FAILURE"; | |
261 | case EAPOL_SUPP_RESULT_SUCCESS: | |
262 | return "SUCCESS"; | |
263 | case EAPOL_SUPP_RESULT_EXPECTED_FAILURE: | |
264 | return "EXPECTED_FAILURE"; | |
265 | } | |
266 | return "?"; | |
267 | } | |
268 | ||
269 | ||
270 | static void wpa_supplicant_eapol_cb(struct eapol_sm *eapol, | |
271 | enum eapol_supp_result result, | |
6fc6879b JM |
272 | void *ctx) |
273 | { | |
274 | struct wpa_supplicant *wpa_s = ctx; | |
275 | int res, pmk_len; | |
276 | u8 pmk[PMK_LEN]; | |
277 | ||
c60ba9f7 JM |
278 | wpa_printf(MSG_DEBUG, "EAPOL authentication completed - result=%s", |
279 | result_str(result)); | |
6fc6879b | 280 | |
fa201b69 | 281 | if (wpas_wps_eapol_cb(wpa_s) > 0) |
ad08c363 | 282 | return; |
ad08c363 | 283 | |
c60ba9f7 JM |
284 | wpa_s->eap_expected_failure = result == |
285 | EAPOL_SUPP_RESULT_EXPECTED_FAILURE; | |
286 | ||
287 | if (result != EAPOL_SUPP_RESULT_SUCCESS) { | |
0930209d JM |
288 | /* |
289 | * Make sure we do not get stuck here waiting for long EAPOL | |
290 | * timeout if the AP does not disconnect in case of | |
291 | * authentication failure. | |
292 | */ | |
293 | wpa_supplicant_req_auth_timeout(wpa_s, 2, 0); | |
dd10abcc HW |
294 | } else { |
295 | ieee802_1x_notify_create_actor(wpa_s, wpa_s->last_eapol_src); | |
0930209d JM |
296 | } |
297 | ||
c60ba9f7 | 298 | if (result != EAPOL_SUPP_RESULT_SUCCESS || |
436ee2fd | 299 | !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X)) |
6fc6879b JM |
300 | return; |
301 | ||
56586197 | 302 | if (!wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) |
6fc6879b JM |
303 | return; |
304 | ||
305 | wpa_printf(MSG_DEBUG, "Configure PMK for driver-based RSN 4-way " | |
306 | "handshake"); | |
307 | ||
308 | pmk_len = PMK_LEN; | |
09c395b4 JM |
309 | if (wpa_key_mgmt_ft(wpa_s->key_mgmt)) { |
310 | #ifdef CONFIG_IEEE80211R | |
311 | u8 buf[2 * PMK_LEN]; | |
312 | wpa_printf(MSG_DEBUG, "RSN: Use FT XXKey as PMK for " | |
313 | "driver-based 4-way hs and FT"); | |
314 | res = eapol_sm_get_key(eapol, buf, 2 * PMK_LEN); | |
315 | if (res == 0) { | |
316 | os_memcpy(pmk, buf + PMK_LEN, PMK_LEN); | |
317 | os_memset(buf, 0, sizeof(buf)); | |
318 | } | |
319 | #else /* CONFIG_IEEE80211R */ | |
320 | res = -1; | |
321 | #endif /* CONFIG_IEEE80211R */ | |
322 | } else { | |
323 | res = eapol_sm_get_key(eapol, pmk, PMK_LEN); | |
324 | if (res) { | |
325 | /* | |
326 | * EAP-LEAP is an exception from other EAP methods: it | |
327 | * uses only 16-byte PMK. | |
328 | */ | |
329 | res = eapol_sm_get_key(eapol, pmk, 16); | |
330 | pmk_len = 16; | |
331 | } | |
6fc6879b JM |
332 | } |
333 | ||
334 | if (res) { | |
335 | wpa_printf(MSG_DEBUG, "Failed to get PMK from EAPOL state " | |
336 | "machines"); | |
337 | return; | |
338 | } | |
339 | ||
09c395b4 JM |
340 | wpa_hexdump_key(MSG_DEBUG, "RSN: Configure PMK for driver-based 4-way " |
341 | "handshake", pmk, pmk_len); | |
342 | ||
6fc6879b JM |
343 | if (wpa_drv_set_key(wpa_s, WPA_ALG_PMK, NULL, 0, 0, NULL, 0, pmk, |
344 | pmk_len)) { | |
345 | wpa_printf(MSG_DEBUG, "Failed to set PMK to the driver"); | |
346 | } | |
347 | ||
348 | wpa_supplicant_cancel_scan(wpa_s); | |
349 | wpa_supplicant_cancel_auth_timeout(wpa_s); | |
350 | wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); | |
351 | ||
352 | } | |
353 | ||
354 | ||
355 | static void wpa_supplicant_notify_eapol_done(void *ctx) | |
356 | { | |
357 | struct wpa_supplicant *wpa_s = ctx; | |
358 | wpa_msg(wpa_s, MSG_DEBUG, "WPA: EAPOL processing complete"); | |
56586197 | 359 | if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) { |
6fc6879b JM |
360 | wpa_supplicant_set_state(wpa_s, WPA_4WAY_HANDSHAKE); |
361 | } else { | |
6fc6879b JM |
362 | wpa_supplicant_cancel_auth_timeout(wpa_s); |
363 | wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); | |
364 | } | |
365 | } | |
366 | ||
367 | #endif /* IEEE8021X_EAPOL */ | |
368 | ||
369 | ||
370 | #ifndef CONFIG_NO_WPA | |
371 | ||
372 | static int wpa_get_beacon_ie(struct wpa_supplicant *wpa_s) | |
373 | { | |
6fc6879b | 374 | int ret = 0; |
e48f0fb6 | 375 | struct wpa_bss *curr = NULL, *bss; |
6fc6879b JM |
376 | struct wpa_ssid *ssid = wpa_s->current_ssid; |
377 | const u8 *ie; | |
378 | ||
e48f0fb6 JM |
379 | dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { |
380 | if (os_memcmp(bss->bssid, wpa_s->bssid, ETH_ALEN) != 0) | |
6fc6879b | 381 | continue; |
6fc6879b | 382 | if (ssid == NULL || |
e48f0fb6 JM |
383 | ((bss->ssid_len == ssid->ssid_len && |
384 | os_memcmp(bss->ssid, ssid->ssid, ssid->ssid_len) == 0) || | |
6fc6879b | 385 | ssid->ssid_len == 0)) { |
e48f0fb6 | 386 | curr = bss; |
6fc6879b JM |
387 | break; |
388 | } | |
389 | } | |
390 | ||
391 | if (curr) { | |
e48f0fb6 | 392 | ie = wpa_bss_get_vendor_ie(curr, WPA_IE_VENDOR_TYPE); |
6fc6879b JM |
393 | if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0)) |
394 | ret = -1; | |
395 | ||
e48f0fb6 | 396 | ie = wpa_bss_get_ie(curr, WLAN_EID_RSN); |
6fc6879b JM |
397 | if (wpa_sm_set_ap_rsn_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0)) |
398 | ret = -1; | |
146889e3 JM |
399 | |
400 | ie = wpa_bss_get_ie(curr, WLAN_EID_RSNX); | |
401 | if (wpa_sm_set_ap_rsnxe(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0)) | |
402 | ret = -1; | |
6fc6879b JM |
403 | } else { |
404 | ret = -1; | |
405 | } | |
406 | ||
407 | return ret; | |
408 | } | |
409 | ||
410 | ||
411 | static int wpa_supplicant_get_beacon_ie(void *ctx) | |
412 | { | |
413 | struct wpa_supplicant *wpa_s = ctx; | |
414 | if (wpa_get_beacon_ie(wpa_s) == 0) { | |
415 | return 0; | |
416 | } | |
417 | ||
418 | /* No WPA/RSN IE found in the cached scan results. Try to get updated | |
419 | * scan results from the driver. */ | |
a1fd2ce5 | 420 | if (wpa_supplicant_update_scan_results(wpa_s) < 0) |
6fc6879b | 421 | return -1; |
6fc6879b JM |
422 | |
423 | return wpa_get_beacon_ie(wpa_s); | |
424 | } | |
425 | ||
426 | ||
427 | static u8 * _wpa_alloc_eapol(void *wpa_s, u8 type, | |
428 | const void *data, u16 data_len, | |
429 | size_t *msg_len, void **data_pos) | |
430 | { | |
431 | return wpa_alloc_eapol(wpa_s, type, data, data_len, msg_len, data_pos); | |
432 | } | |
433 | ||
434 | ||
435 | static int _wpa_ether_send(void *wpa_s, const u8 *dest, u16 proto, | |
436 | const u8 *buf, size_t len) | |
437 | { | |
438 | return wpa_ether_send(wpa_s, dest, proto, buf, len); | |
439 | } | |
440 | ||
441 | ||
6fc6879b JM |
442 | static void _wpa_supplicant_cancel_auth_timeout(void *wpa_s) |
443 | { | |
444 | wpa_supplicant_cancel_auth_timeout(wpa_s); | |
445 | } | |
446 | ||
447 | ||
71934751 | 448 | static void _wpa_supplicant_set_state(void *wpa_s, enum wpa_states state) |
6fc6879b JM |
449 | { |
450 | wpa_supplicant_set_state(wpa_s, state); | |
451 | } | |
452 | ||
453 | ||
454 | /** | |
455 | * wpa_supplicant_get_state - Get the connection state | |
456 | * @wpa_s: Pointer to wpa_supplicant data | |
457 | * Returns: The current connection state (WPA_*) | |
458 | */ | |
71934751 | 459 | static enum wpa_states wpa_supplicant_get_state(struct wpa_supplicant *wpa_s) |
6fc6879b JM |
460 | { |
461 | return wpa_s->wpa_state; | |
462 | } | |
463 | ||
464 | ||
71934751 | 465 | static enum wpa_states _wpa_supplicant_get_state(void *wpa_s) |
6fc6879b JM |
466 | { |
467 | return wpa_supplicant_get_state(wpa_s); | |
468 | } | |
469 | ||
470 | ||
4be17ffb | 471 | static void _wpa_supplicant_deauthenticate(void *wpa_s, u16 reason_code) |
6fc6879b JM |
472 | { |
473 | wpa_supplicant_deauthenticate(wpa_s, reason_code); | |
3e2ad1b9 | 474 | /* Schedule a scan to make sure we continue looking for networks */ |
83935317 | 475 | wpa_supplicant_req_scan(wpa_s, 5, 0); |
6fc6879b JM |
476 | } |
477 | ||
478 | ||
479 | static void * wpa_supplicant_get_network_ctx(void *wpa_s) | |
480 | { | |
481 | return wpa_supplicant_get_ssid(wpa_s); | |
482 | } | |
483 | ||
484 | ||
485 | static int wpa_supplicant_get_bssid(void *ctx, u8 *bssid) | |
486 | { | |
487 | struct wpa_supplicant *wpa_s = ctx; | |
6fc6879b JM |
488 | return wpa_drv_get_bssid(wpa_s, bssid); |
489 | } | |
490 | ||
491 | ||
71934751 | 492 | static int wpa_supplicant_set_key(void *_wpa_s, enum wpa_alg alg, |
6fc6879b JM |
493 | const u8 *addr, int key_idx, int set_tx, |
494 | const u8 *seq, size_t seq_len, | |
495 | const u8 *key, size_t key_len) | |
496 | { | |
46690a3b JM |
497 | struct wpa_supplicant *wpa_s = _wpa_s; |
498 | if (alg == WPA_ALG_TKIP && key_idx == 0 && key_len == 32) { | |
499 | /* Clear the MIC error counter when setting a new PTK. */ | |
500 | wpa_s->mic_errors_seen = 0; | |
501 | } | |
fa7ae950 JM |
502 | #ifdef CONFIG_TESTING_GET_GTK |
503 | if (key_idx > 0 && addr && is_broadcast_ether_addr(addr) && | |
504 | alg != WPA_ALG_NONE && key_len <= sizeof(wpa_s->last_gtk)) { | |
505 | os_memcpy(wpa_s->last_gtk, key, key_len); | |
506 | wpa_s->last_gtk_len = key_len; | |
507 | } | |
508 | #endif /* CONFIG_TESTING_GET_GTK */ | |
16579769 JM |
509 | #ifdef CONFIG_TESTING_OPTIONS |
510 | if (addr && !is_broadcast_ether_addr(addr)) { | |
511 | wpa_s->last_tk_alg = alg; | |
512 | os_memcpy(wpa_s->last_tk_addr, addr, ETH_ALEN); | |
513 | wpa_s->last_tk_key_idx = key_idx; | |
514 | if (key) | |
515 | os_memcpy(wpa_s->last_tk, key, key_len); | |
516 | wpa_s->last_tk_len = key_len; | |
517 | } | |
518 | #endif /* CONFIG_TESTING_OPTIONS */ | |
6fc6879b JM |
519 | return wpa_drv_set_key(wpa_s, alg, addr, key_idx, set_tx, seq, seq_len, |
520 | key, key_len); | |
521 | } | |
522 | ||
523 | ||
524 | static int wpa_supplicant_mlme_setprotection(void *wpa_s, const u8 *addr, | |
525 | int protection_type, | |
526 | int key_type) | |
527 | { | |
528 | return wpa_drv_mlme_setprotection(wpa_s, addr, protection_type, | |
529 | key_type); | |
530 | } | |
531 | ||
532 | ||
c5793127 JM |
533 | static struct wpa_ssid * wpas_get_network_ctx(struct wpa_supplicant *wpa_s, |
534 | void *network_ctx) | |
535 | { | |
536 | struct wpa_ssid *ssid; | |
537 | ||
538 | for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { | |
539 | if (network_ctx == ssid) | |
540 | return ssid; | |
541 | } | |
542 | ||
543 | return NULL; | |
544 | } | |
545 | ||
546 | ||
547 | static int wpa_supplicant_add_pmkid(void *_wpa_s, void *network_ctx, | |
42e69bda VK |
548 | const u8 *bssid, const u8 *pmkid, |
549 | const u8 *fils_cache_id, | |
550 | const u8 *pmk, size_t pmk_len) | |
6fc6879b | 551 | { |
c5793127 JM |
552 | struct wpa_supplicant *wpa_s = _wpa_s; |
553 | struct wpa_ssid *ssid; | |
6fbb5414 | 554 | struct wpa_pmkid_params params; |
c5793127 | 555 | |
6fbb5414 | 556 | os_memset(¶ms, 0, sizeof(params)); |
c5793127 JM |
557 | ssid = wpas_get_network_ctx(wpa_s, network_ctx); |
558 | if (ssid) | |
559 | wpa_msg(wpa_s, MSG_INFO, PMKSA_CACHE_ADDED MACSTR " %d", | |
560 | MAC2STR(bssid), ssid->id); | |
42e69bda VK |
561 | if (ssid && fils_cache_id) { |
562 | params.ssid = ssid->ssid; | |
563 | params.ssid_len = ssid->ssid_len; | |
564 | params.fils_cache_id = fils_cache_id; | |
565 | } else { | |
566 | params.bssid = bssid; | |
567 | } | |
568 | ||
6fbb5414 | 569 | params.pmkid = pmkid; |
42e69bda VK |
570 | params.pmk = pmk; |
571 | params.pmk_len = pmk_len; | |
6fbb5414 VK |
572 | |
573 | return wpa_drv_add_pmkid(wpa_s, ¶ms); | |
6fc6879b JM |
574 | } |
575 | ||
576 | ||
c5793127 | 577 | static int wpa_supplicant_remove_pmkid(void *_wpa_s, void *network_ctx, |
42e69bda VK |
578 | const u8 *bssid, const u8 *pmkid, |
579 | const u8 *fils_cache_id) | |
6fc6879b | 580 | { |
c5793127 JM |
581 | struct wpa_supplicant *wpa_s = _wpa_s; |
582 | struct wpa_ssid *ssid; | |
6fbb5414 | 583 | struct wpa_pmkid_params params; |
c5793127 | 584 | |
6fbb5414 | 585 | os_memset(¶ms, 0, sizeof(params)); |
c5793127 JM |
586 | ssid = wpas_get_network_ctx(wpa_s, network_ctx); |
587 | if (ssid) | |
588 | wpa_msg(wpa_s, MSG_INFO, PMKSA_CACHE_REMOVED MACSTR " %d", | |
589 | MAC2STR(bssid), ssid->id); | |
42e69bda VK |
590 | if (ssid && fils_cache_id) { |
591 | params.ssid = ssid->ssid; | |
592 | params.ssid_len = ssid->ssid_len; | |
593 | params.fils_cache_id = fils_cache_id; | |
594 | } else { | |
595 | params.bssid = bssid; | |
596 | } | |
6fbb5414 | 597 | |
6fbb5414 VK |
598 | params.pmkid = pmkid; |
599 | ||
600 | return wpa_drv_remove_pmkid(wpa_s, ¶ms); | |
6fc6879b JM |
601 | } |
602 | ||
603 | ||
604 | #ifdef CONFIG_IEEE80211R | |
605 | static int wpa_supplicant_update_ft_ies(void *ctx, const u8 *md, | |
606 | const u8 *ies, size_t ies_len) | |
607 | { | |
608 | struct wpa_supplicant *wpa_s = ctx; | |
c2a04078 JM |
609 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) |
610 | return sme_update_ft_ies(wpa_s, md, ies, ies_len); | |
6fc6879b JM |
611 | return wpa_drv_update_ft_ies(wpa_s, md, ies, ies_len); |
612 | } | |
613 | ||
614 | ||
615 | static int wpa_supplicant_send_ft_action(void *ctx, u8 action, | |
616 | const u8 *target_ap, | |
617 | const u8 *ies, size_t ies_len) | |
618 | { | |
619 | struct wpa_supplicant *wpa_s = ctx; | |
8105821b JM |
620 | int ret; |
621 | u8 *data, *pos; | |
622 | size_t data_len; | |
623 | ||
624 | if (action != 1) { | |
625 | wpa_printf(MSG_ERROR, "Unsupported send_ft_action action %d", | |
626 | action); | |
627 | return -1; | |
628 | } | |
629 | ||
630 | /* | |
631 | * Action frame payload: | |
632 | * Category[1] = 6 (Fast BSS Transition) | |
633 | * Action[1] = 1 (Fast BSS Transition Request) | |
634 | * STA Address | |
635 | * Target AP Address | |
636 | * FT IEs | |
637 | */ | |
638 | ||
639 | data_len = 2 + 2 * ETH_ALEN + ies_len; | |
640 | data = os_malloc(data_len); | |
641 | if (data == NULL) | |
642 | return -1; | |
643 | pos = data; | |
644 | *pos++ = 0x06; /* FT Action category */ | |
645 | *pos++ = action; | |
646 | os_memcpy(pos, wpa_s->own_addr, ETH_ALEN); | |
647 | pos += ETH_ALEN; | |
648 | os_memcpy(pos, target_ap, ETH_ALEN); | |
649 | pos += ETH_ALEN; | |
650 | os_memcpy(pos, ies, ies_len); | |
651 | ||
652 | ret = wpa_drv_send_action(wpa_s, wpa_s->assoc_freq, 0, | |
653 | wpa_s->bssid, wpa_s->own_addr, wpa_s->bssid, | |
654 | data, data_len, 0); | |
655 | os_free(data); | |
656 | ||
657 | return ret; | |
6fc6879b | 658 | } |
2a7e7f4e JM |
659 | |
660 | ||
661 | static int wpa_supplicant_mark_authenticated(void *ctx, const u8 *target_ap) | |
662 | { | |
663 | struct wpa_supplicant *wpa_s = ctx; | |
664 | struct wpa_driver_auth_params params; | |
665 | struct wpa_bss *bss; | |
666 | ||
2a7e7f4e JM |
667 | bss = wpa_bss_get_bssid(wpa_s, target_ap); |
668 | if (bss == NULL) | |
669 | return -1; | |
670 | ||
671 | os_memset(¶ms, 0, sizeof(params)); | |
672 | params.bssid = target_ap; | |
673 | params.freq = bss->freq; | |
674 | params.ssid = bss->ssid; | |
675 | params.ssid_len = bss->ssid_len; | |
676 | params.auth_alg = WPA_AUTH_ALG_FT; | |
677 | params.local_state_change = 1; | |
678 | return wpa_drv_authenticate(wpa_s, ¶ms); | |
679 | } | |
6fc6879b JM |
680 | #endif /* CONFIG_IEEE80211R */ |
681 | ||
6fc6879b | 682 | |
281ff0aa GP |
683 | #ifdef CONFIG_TDLS |
684 | ||
c58ab8f2 | 685 | static int wpa_supplicant_tdls_get_capa(void *ctx, int *tdls_supported, |
4daa5729 AN |
686 | int *tdls_ext_setup, |
687 | int *tdls_chan_switch) | |
c58ab8f2 AN |
688 | { |
689 | struct wpa_supplicant *wpa_s = ctx; | |
690 | ||
691 | *tdls_supported = 0; | |
692 | *tdls_ext_setup = 0; | |
4daa5729 | 693 | *tdls_chan_switch = 0; |
c58ab8f2 AN |
694 | |
695 | if (!wpa_s->drv_capa_known) | |
696 | return -1; | |
697 | ||
698 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) | |
699 | *tdls_supported = 1; | |
700 | ||
701 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP) | |
702 | *tdls_ext_setup = 1; | |
703 | ||
4daa5729 AN |
704 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH) |
705 | *tdls_chan_switch = 1; | |
706 | ||
c58ab8f2 AN |
707 | return 0; |
708 | } | |
709 | ||
710 | ||
281ff0aa GP |
711 | static int wpa_supplicant_send_tdls_mgmt(void *ctx, const u8 *dst, |
712 | u8 action_code, u8 dialog_token, | |
96ecea5e | 713 | u16 status_code, u32 peer_capab, |
984dadc2 AN |
714 | int initiator, const u8 *buf, |
715 | size_t len) | |
281ff0aa GP |
716 | { |
717 | struct wpa_supplicant *wpa_s = ctx; | |
718 | return wpa_drv_send_tdls_mgmt(wpa_s, dst, action_code, dialog_token, | |
984dadc2 AN |
719 | status_code, peer_capab, initiator, buf, |
720 | len); | |
281ff0aa GP |
721 | } |
722 | ||
723 | ||
724 | static int wpa_supplicant_tdls_oper(void *ctx, int oper, const u8 *peer) | |
725 | { | |
726 | struct wpa_supplicant *wpa_s = ctx; | |
727 | return wpa_drv_tdls_oper(wpa_s, oper, peer); | |
728 | } | |
729 | ||
45b722f1 AN |
730 | |
731 | static int wpa_supplicant_tdls_peer_addset( | |
78533699 | 732 | void *ctx, const u8 *peer, int add, u16 aid, u16 capability, |
ff4178d5 SD |
733 | const u8 *supp_rates, size_t supp_rates_len, |
734 | const struct ieee80211_ht_capabilities *ht_capab, | |
f8361e3d | 735 | const struct ieee80211_vht_capabilities *vht_capab, |
08d7665c | 736 | u8 qosinfo, int wmm, const u8 *ext_capab, size_t ext_capab_len, |
3ed97271 SD |
737 | const u8 *supp_channels, size_t supp_channels_len, |
738 | const u8 *supp_oper_classes, size_t supp_oper_classes_len) | |
45b722f1 AN |
739 | { |
740 | struct wpa_supplicant *wpa_s = ctx; | |
741 | struct hostapd_sta_add_params params; | |
742 | ||
b8df43de JM |
743 | os_memset(¶ms, 0, sizeof(params)); |
744 | ||
45b722f1 | 745 | params.addr = peer; |
f11b72c3 | 746 | params.aid = aid; |
45b722f1 AN |
747 | params.capability = capability; |
748 | params.flags = WPA_STA_TDLS_PEER | WPA_STA_AUTHORIZED; | |
ff4178d5 SD |
749 | |
750 | /* | |
08d7665c AN |
751 | * Don't rely only on qosinfo for WMM capability. It may be 0 even when |
752 | * present. Allow the WMM IE to also indicate QoS support. | |
ff4178d5 | 753 | */ |
08d7665c | 754 | if (wmm || qosinfo) |
ff4178d5 SD |
755 | params.flags |= WPA_STA_WMM; |
756 | ||
757 | params.ht_capabilities = ht_capab; | |
f8361e3d | 758 | params.vht_capabilities = vht_capab; |
ff4178d5 | 759 | params.qosinfo = qosinfo; |
45b722f1 AN |
760 | params.listen_interval = 0; |
761 | params.supp_rates = supp_rates; | |
762 | params.supp_rates_len = supp_rates_len; | |
763 | params.set = !add; | |
d16531c4 SD |
764 | params.ext_capab = ext_capab; |
765 | params.ext_capab_len = ext_capab_len; | |
3ed97271 SD |
766 | params.supp_channels = supp_channels; |
767 | params.supp_channels_len = supp_channels_len; | |
768 | params.supp_oper_classes = supp_oper_classes; | |
769 | params.supp_oper_classes_len = supp_oper_classes_len; | |
45b722f1 AN |
770 | |
771 | return wpa_drv_sta_add(wpa_s, ¶ms); | |
772 | } | |
773 | ||
6b90deae AN |
774 | |
775 | static int wpa_supplicant_tdls_enable_channel_switch( | |
776 | void *ctx, const u8 *addr, u8 oper_class, | |
777 | const struct hostapd_freq_params *params) | |
778 | { | |
779 | struct wpa_supplicant *wpa_s = ctx; | |
780 | ||
781 | return wpa_drv_tdls_enable_channel_switch(wpa_s, addr, oper_class, | |
782 | params); | |
783 | } | |
784 | ||
785 | ||
786 | static int wpa_supplicant_tdls_disable_channel_switch(void *ctx, const u8 *addr) | |
787 | { | |
788 | struct wpa_supplicant *wpa_s = ctx; | |
789 | ||
790 | return wpa_drv_tdls_disable_channel_switch(wpa_s, addr); | |
791 | } | |
792 | ||
281ff0aa GP |
793 | #endif /* CONFIG_TDLS */ |
794 | ||
9aaa6955 JM |
795 | #endif /* CONFIG_NO_WPA */ |
796 | ||
281ff0aa | 797 | |
81c57e22 DW |
798 | enum wpa_ctrl_req_type wpa_supplicant_ctrl_req_from_string(const char *field) |
799 | { | |
800 | if (os_strcmp(field, "IDENTITY") == 0) | |
801 | return WPA_CTRL_REQ_EAP_IDENTITY; | |
802 | else if (os_strcmp(field, "PASSWORD") == 0) | |
803 | return WPA_CTRL_REQ_EAP_PASSWORD; | |
804 | else if (os_strcmp(field, "NEW_PASSWORD") == 0) | |
805 | return WPA_CTRL_REQ_EAP_NEW_PASSWORD; | |
806 | else if (os_strcmp(field, "PIN") == 0) | |
807 | return WPA_CTRL_REQ_EAP_PIN; | |
808 | else if (os_strcmp(field, "OTP") == 0) | |
809 | return WPA_CTRL_REQ_EAP_OTP; | |
810 | else if (os_strcmp(field, "PASSPHRASE") == 0) | |
811 | return WPA_CTRL_REQ_EAP_PASSPHRASE; | |
a5d44ac0 JM |
812 | else if (os_strcmp(field, "SIM") == 0) |
813 | return WPA_CTRL_REQ_SIM; | |
a52410c2 JM |
814 | else if (os_strcmp(field, "PSK_PASSPHRASE") == 0) |
815 | return WPA_CTRL_REQ_PSK_PASSPHRASE; | |
3c108b75 JM |
816 | else if (os_strcmp(field, "EXT_CERT_CHECK") == 0) |
817 | return WPA_CTRL_REQ_EXT_CERT_CHECK; | |
81c57e22 DW |
818 | return WPA_CTRL_REQ_UNKNOWN; |
819 | } | |
820 | ||
821 | ||
9ef1aaae DW |
822 | const char * wpa_supplicant_ctrl_req_to_string(enum wpa_ctrl_req_type field, |
823 | const char *default_txt, | |
824 | const char **txt) | |
825 | { | |
826 | const char *ret = NULL; | |
827 | ||
828 | *txt = default_txt; | |
829 | ||
830 | switch (field) { | |
831 | case WPA_CTRL_REQ_EAP_IDENTITY: | |
832 | *txt = "Identity"; | |
833 | ret = "IDENTITY"; | |
834 | break; | |
835 | case WPA_CTRL_REQ_EAP_PASSWORD: | |
836 | *txt = "Password"; | |
837 | ret = "PASSWORD"; | |
838 | break; | |
839 | case WPA_CTRL_REQ_EAP_NEW_PASSWORD: | |
840 | *txt = "New Password"; | |
841 | ret = "NEW_PASSWORD"; | |
842 | break; | |
843 | case WPA_CTRL_REQ_EAP_PIN: | |
844 | *txt = "PIN"; | |
845 | ret = "PIN"; | |
846 | break; | |
847 | case WPA_CTRL_REQ_EAP_OTP: | |
848 | ret = "OTP"; | |
849 | break; | |
850 | case WPA_CTRL_REQ_EAP_PASSPHRASE: | |
851 | *txt = "Private key passphrase"; | |
852 | ret = "PASSPHRASE"; | |
853 | break; | |
a5d44ac0 JM |
854 | case WPA_CTRL_REQ_SIM: |
855 | ret = "SIM"; | |
856 | break; | |
a52410c2 JM |
857 | case WPA_CTRL_REQ_PSK_PASSPHRASE: |
858 | *txt = "PSK or passphrase"; | |
859 | ret = "PSK_PASSPHRASE"; | |
860 | break; | |
3c108b75 JM |
861 | case WPA_CTRL_REQ_EXT_CERT_CHECK: |
862 | *txt = "External server certificate validation"; | |
863 | ret = "EXT_CERT_CHECK"; | |
864 | break; | |
9ef1aaae DW |
865 | default: |
866 | break; | |
867 | } | |
868 | ||
869 | /* txt needs to be something */ | |
870 | if (*txt == NULL) { | |
871 | wpa_printf(MSG_WARNING, "No message for request %d", field); | |
872 | ret = NULL; | |
873 | } | |
874 | ||
875 | return ret; | |
876 | } | |
877 | ||
a52410c2 JM |
878 | |
879 | void wpas_send_ctrl_req(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid, | |
880 | const char *field_name, const char *txt) | |
881 | { | |
882 | char *buf; | |
883 | size_t buflen; | |
884 | int len; | |
885 | ||
886 | buflen = 100 + os_strlen(txt) + ssid->ssid_len; | |
887 | buf = os_malloc(buflen); | |
888 | if (buf == NULL) | |
889 | return; | |
890 | len = os_snprintf(buf, buflen, "%s-%d:%s needed for SSID ", | |
891 | field_name, ssid->id, txt); | |
892 | if (os_snprintf_error(buflen, len)) { | |
893 | os_free(buf); | |
894 | return; | |
895 | } | |
896 | if (ssid->ssid && buflen > len + ssid->ssid_len) { | |
897 | os_memcpy(buf + len, ssid->ssid, ssid->ssid_len); | |
898 | len += ssid->ssid_len; | |
899 | buf[len] = '\0'; | |
900 | } | |
901 | buf[buflen - 1] = '\0'; | |
902 | wpa_msg(wpa_s, MSG_INFO, WPA_CTRL_REQ "%s", buf); | |
903 | os_free(buf); | |
904 | } | |
905 | ||
906 | ||
b1491202 | 907 | #ifdef IEEE8021X_EAPOL |
6fc6879b | 908 | #if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG) |
9ef1aaae DW |
909 | static void wpa_supplicant_eap_param_needed(void *ctx, |
910 | enum wpa_ctrl_req_type field, | |
911 | const char *default_txt) | |
6fc6879b JM |
912 | { |
913 | struct wpa_supplicant *wpa_s = ctx; | |
914 | struct wpa_ssid *ssid = wpa_s->current_ssid; | |
9ef1aaae | 915 | const char *field_name, *txt = NULL; |
6fc6879b JM |
916 | |
917 | if (ssid == NULL) | |
918 | return; | |
919 | ||
3c108b75 JM |
920 | if (field == WPA_CTRL_REQ_EXT_CERT_CHECK) |
921 | ssid->eap.pending_ext_cert_check = PENDING_CHECK; | |
a9022616 DW |
922 | wpas_notify_network_request(wpa_s, ssid, field, default_txt); |
923 | ||
9ef1aaae DW |
924 | field_name = wpa_supplicant_ctrl_req_to_string(field, default_txt, |
925 | &txt); | |
926 | if (field_name == NULL) { | |
927 | wpa_printf(MSG_WARNING, "Unhandled EAP param %d needed", | |
928 | field); | |
929 | return; | |
930 | } | |
931 | ||
93c7e332 PS |
932 | wpas_notify_eap_status(wpa_s, "eap parameter needed", field_name); |
933 | ||
a52410c2 | 934 | wpas_send_ctrl_req(wpa_s, ssid, field_name, txt); |
6fc6879b JM |
935 | } |
936 | #else /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */ | |
937 | #define wpa_supplicant_eap_param_needed NULL | |
938 | #endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */ | |
939 | ||
940 | ||
dd5c155e | 941 | #ifdef CONFIG_EAP_PROXY |
a6f3761f | 942 | |
dd5c155e SD |
943 | static void wpa_supplicant_eap_proxy_cb(void *ctx) |
944 | { | |
945 | struct wpa_supplicant *wpa_s = ctx; | |
946 | size_t len; | |
947 | ||
b5db6e5d | 948 | wpa_s->mnc_len = eapol_sm_get_eap_proxy_imsi(wpa_s->eapol, -1, |
dd5c155e SD |
949 | wpa_s->imsi, &len); |
950 | if (wpa_s->mnc_len > 0) { | |
951 | wpa_s->imsi[len] = '\0'; | |
952 | wpa_printf(MSG_DEBUG, "eap_proxy: IMSI %s (MNC length %d)", | |
953 | wpa_s->imsi, wpa_s->mnc_len); | |
954 | } else { | |
955 | wpa_printf(MSG_DEBUG, "eap_proxy: IMSI not available"); | |
956 | } | |
957 | } | |
a6f3761f PK |
958 | |
959 | ||
c167662d PK |
960 | static void wpa_sm_sim_state_error_handler(struct wpa_supplicant *wpa_s) |
961 | { | |
962 | int i; | |
963 | struct wpa_ssid *ssid; | |
964 | const struct eap_method_type *eap_methods; | |
965 | ||
966 | if (!wpa_s->conf) | |
967 | return; | |
968 | ||
969 | for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { | |
970 | eap_methods = ssid->eap.eap_methods; | |
971 | if (!eap_methods) | |
972 | continue; | |
973 | ||
974 | for (i = 0; eap_methods[i].method != EAP_TYPE_NONE; i++) { | |
975 | if (eap_methods[i].vendor == EAP_VENDOR_IETF && | |
976 | (eap_methods[i].method == EAP_TYPE_SIM || | |
977 | eap_methods[i].method == EAP_TYPE_AKA || | |
978 | eap_methods[i].method == EAP_TYPE_AKA_PRIME)) { | |
979 | wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid); | |
980 | break; | |
981 | } | |
982 | } | |
983 | } | |
984 | } | |
985 | ||
986 | ||
a6f3761f PK |
987 | static void |
988 | wpa_supplicant_eap_proxy_notify_sim_status(void *ctx, | |
989 | enum eap_proxy_sim_state sim_state) | |
990 | { | |
991 | struct wpa_supplicant *wpa_s = ctx; | |
992 | ||
993 | wpa_printf(MSG_DEBUG, "eap_proxy: SIM card status %u", sim_state); | |
994 | switch (sim_state) { | |
995 | case SIM_STATE_ERROR: | |
c167662d | 996 | wpa_sm_sim_state_error_handler(wpa_s); |
a6f3761f PK |
997 | break; |
998 | default: | |
999 | wpa_printf(MSG_DEBUG, "eap_proxy: SIM card status unknown"); | |
1000 | break; | |
1001 | } | |
1002 | } | |
1003 | ||
dd5c155e SD |
1004 | #endif /* CONFIG_EAP_PROXY */ |
1005 | ||
1006 | ||
4bc181ec JM |
1007 | static void wpa_supplicant_port_cb(void *ctx, int authorized) |
1008 | { | |
1009 | struct wpa_supplicant *wpa_s = ctx; | |
69a6b47a JM |
1010 | #ifdef CONFIG_AP |
1011 | if (wpa_s->ap_iface) { | |
1012 | wpa_printf(MSG_DEBUG, "AP mode active - skip EAPOL Supplicant " | |
1013 | "port status: %s", | |
1014 | authorized ? "Authorized" : "Unauthorized"); | |
1015 | return; | |
1016 | } | |
1017 | #endif /* CONFIG_AP */ | |
4bc181ec JM |
1018 | wpa_printf(MSG_DEBUG, "EAPOL: Supplicant port status: %s", |
1019 | authorized ? "Authorized" : "Unauthorized"); | |
1020 | wpa_drv_set_supp_port(wpa_s, authorized); | |
1021 | } | |
ade74830 MC |
1022 | |
1023 | ||
bc0634da JM |
1024 | static void wpa_supplicant_cert_cb(void *ctx, struct tls_cert_data *cert, |
1025 | const char *cert_hash) | |
ade74830 MC |
1026 | { |
1027 | struct wpa_supplicant *wpa_s = ctx; | |
1028 | ||
bc0634da | 1029 | wpas_notify_certification(wpa_s, cert, cert_hash); |
ade74830 | 1030 | } |
dd7fec1f PS |
1031 | |
1032 | ||
1033 | static void wpa_supplicant_status_cb(void *ctx, const char *status, | |
1034 | const char *parameter) | |
1035 | { | |
1036 | struct wpa_supplicant *wpa_s = ctx; | |
1037 | ||
1038 | wpas_notify_eap_status(wpa_s, status, parameter); | |
1039 | } | |
e026159a JM |
1040 | |
1041 | ||
45f7574d AE |
1042 | static void wpa_supplicant_eap_error_cb(void *ctx, int error_code) |
1043 | { | |
1044 | struct wpa_supplicant *wpa_s = ctx; | |
1045 | ||
1046 | wpas_notify_eap_error(wpa_s, error_code); | |
1047 | } | |
1048 | ||
1049 | ||
e026159a JM |
1050 | static void wpa_supplicant_set_anon_id(void *ctx, const u8 *id, size_t len) |
1051 | { | |
1052 | struct wpa_supplicant *wpa_s = ctx; | |
1053 | char *str; | |
1054 | int res; | |
1055 | ||
1056 | wpa_hexdump_ascii(MSG_DEBUG, "EAP method updated anonymous_identity", | |
1057 | id, len); | |
1058 | ||
1059 | if (wpa_s->current_ssid == NULL) | |
1060 | return; | |
1061 | ||
1062 | if (id == NULL) { | |
1063 | if (wpa_config_set(wpa_s->current_ssid, "anonymous_identity", | |
1064 | "NULL", 0) < 0) | |
1065 | return; | |
1066 | } else { | |
1067 | str = os_malloc(len * 2 + 1); | |
1068 | if (str == NULL) | |
1069 | return; | |
1070 | wpa_snprintf_hex(str, len * 2 + 1, id, len); | |
1071 | res = wpa_config_set(wpa_s->current_ssid, "anonymous_identity", | |
1072 | str, 0); | |
1073 | os_free(str); | |
1074 | if (res < 0) | |
1075 | return; | |
1076 | } | |
1077 | ||
1078 | if (wpa_s->conf->update_config) { | |
1079 | res = wpa_config_write(wpa_s->confname, wpa_s->conf); | |
1080 | if (res) { | |
1081 | wpa_printf(MSG_DEBUG, "Failed to update config after " | |
1082 | "anonymous_id update"); | |
1083 | } | |
1084 | } | |
1085 | } | |
b1491202 | 1086 | #endif /* IEEE8021X_EAPOL */ |
4bc181ec JM |
1087 | |
1088 | ||
6fc6879b JM |
1089 | int wpa_supplicant_init_eapol(struct wpa_supplicant *wpa_s) |
1090 | { | |
1091 | #ifdef IEEE8021X_EAPOL | |
1092 | struct eapol_ctx *ctx; | |
1093 | ctx = os_zalloc(sizeof(*ctx)); | |
1094 | if (ctx == NULL) { | |
1095 | wpa_printf(MSG_ERROR, "Failed to allocate EAPOL context."); | |
1096 | return -1; | |
1097 | } | |
1098 | ||
1099 | ctx->ctx = wpa_s; | |
1100 | ctx->msg_ctx = wpa_s; | |
1101 | ctx->eapol_send_ctx = wpa_s; | |
1102 | ctx->preauth = 0; | |
1103 | ctx->eapol_done_cb = wpa_supplicant_notify_eapol_done; | |
1104 | ctx->eapol_send = wpa_supplicant_eapol_send; | |
1105 | ctx->set_wep_key = wpa_eapol_set_wep_key; | |
21f01a8e | 1106 | #ifndef CONFIG_NO_CONFIG_BLOBS |
6fc6879b JM |
1107 | ctx->set_config_blob = wpa_supplicant_set_config_blob; |
1108 | ctx->get_config_blob = wpa_supplicant_get_config_blob; | |
21f01a8e | 1109 | #endif /* CONFIG_NO_CONFIG_BLOBS */ |
6fc6879b | 1110 | ctx->aborted_cached = wpa_supplicant_aborted_cached; |
6fc6879b JM |
1111 | ctx->opensc_engine_path = wpa_s->conf->opensc_engine_path; |
1112 | ctx->pkcs11_engine_path = wpa_s->conf->pkcs11_engine_path; | |
1113 | ctx->pkcs11_module_path = wpa_s->conf->pkcs11_module_path; | |
07e2de31 | 1114 | ctx->openssl_ciphers = wpa_s->conf->openssl_ciphers; |
116654ce | 1115 | ctx->wps = wpa_s->wps; |
6fc6879b | 1116 | ctx->eap_param_needed = wpa_supplicant_eap_param_needed; |
dd5c155e SD |
1117 | #ifdef CONFIG_EAP_PROXY |
1118 | ctx->eap_proxy_cb = wpa_supplicant_eap_proxy_cb; | |
a6f3761f PK |
1119 | ctx->eap_proxy_notify_sim_status = |
1120 | wpa_supplicant_eap_proxy_notify_sim_status; | |
dd5c155e | 1121 | #endif /* CONFIG_EAP_PROXY */ |
4bc181ec | 1122 | ctx->port_cb = wpa_supplicant_port_cb; |
6fc6879b | 1123 | ctx->cb = wpa_supplicant_eapol_cb; |
ade74830 | 1124 | ctx->cert_cb = wpa_supplicant_cert_cb; |
483dd6a5 | 1125 | ctx->cert_in_cb = wpa_s->conf->cert_in_cb; |
dd7fec1f | 1126 | ctx->status_cb = wpa_supplicant_status_cb; |
45f7574d | 1127 | ctx->eap_error_cb = wpa_supplicant_eap_error_cb; |
e026159a | 1128 | ctx->set_anon_id = wpa_supplicant_set_anon_id; |
6fc6879b JM |
1129 | ctx->cb_ctx = wpa_s; |
1130 | wpa_s->eapol = eapol_sm_init(ctx); | |
1131 | if (wpa_s->eapol == NULL) { | |
1132 | os_free(ctx); | |
1133 | wpa_printf(MSG_ERROR, "Failed to initialize EAPOL state " | |
1134 | "machines."); | |
1135 | return -1; | |
1136 | } | |
1137 | #endif /* IEEE8021X_EAPOL */ | |
1138 | ||
1139 | return 0; | |
1140 | } | |
1141 | ||
1142 | ||
77d7b090 | 1143 | #ifndef CONFIG_NO_WPA |
124ddfa1 | 1144 | |
98cd3d1c JM |
1145 | static void wpa_supplicant_set_rekey_offload(void *ctx, |
1146 | const u8 *kek, size_t kek_len, | |
1147 | const u8 *kck, size_t kck_len, | |
b14a210c JB |
1148 | const u8 *replay_ctr) |
1149 | { | |
1150 | struct wpa_supplicant *wpa_s = ctx; | |
1151 | ||
98cd3d1c | 1152 | wpa_drv_set_rekey_info(wpa_s, kek, kek_len, kck, kck_len, replay_ctr); |
b14a210c JB |
1153 | } |
1154 | ||
1155 | ||
b41f2684 CL |
1156 | static int wpa_supplicant_key_mgmt_set_pmk(void *ctx, const u8 *pmk, |
1157 | size_t pmk_len) | |
1158 | { | |
1159 | struct wpa_supplicant *wpa_s = ctx; | |
1160 | ||
a250722f JM |
1161 | if (wpa_s->conf->key_mgmt_offload && |
1162 | (wpa_s->drv_flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD)) | |
b41f2684 CL |
1163 | return wpa_drv_set_key(wpa_s, WPA_ALG_PMK, NULL, 0, 0, |
1164 | NULL, 0, pmk, pmk_len); | |
1165 | else | |
1166 | return 0; | |
1167 | } | |
124ddfa1 JM |
1168 | |
1169 | ||
1170 | static void wpa_supplicant_fils_hlp_rx(void *ctx, const u8 *dst, const u8 *src, | |
1171 | const u8 *pkt, size_t pkt_len) | |
1172 | { | |
1173 | struct wpa_supplicant *wpa_s = ctx; | |
1174 | char *hex; | |
1175 | size_t hexlen; | |
1176 | ||
1177 | hexlen = pkt_len * 2 + 1; | |
1178 | hex = os_malloc(hexlen); | |
1179 | if (!hex) | |
1180 | return; | |
1181 | wpa_snprintf_hex(hex, hexlen, pkt, pkt_len); | |
1182 | wpa_msg(wpa_s, MSG_INFO, FILS_HLP_RX "dst=" MACSTR " src=" MACSTR | |
1183 | " frame=%s", MAC2STR(dst), MAC2STR(src), hex); | |
1184 | os_free(hex); | |
1185 | } | |
1186 | ||
4b62b52e MV |
1187 | |
1188 | static int wpa_supplicant_channel_info(void *_wpa_s, | |
1189 | struct wpa_channel_info *ci) | |
1190 | { | |
1191 | struct wpa_supplicant *wpa_s = _wpa_s; | |
1192 | ||
1193 | return wpa_drv_channel_info(wpa_s, ci); | |
1194 | } | |
1195 | ||
9e68742e | 1196 | #endif /* CONFIG_NO_WPA */ |
b41f2684 CL |
1197 | |
1198 | ||
6fc6879b JM |
1199 | int wpa_supplicant_init_wpa(struct wpa_supplicant *wpa_s) |
1200 | { | |
1201 | #ifndef CONFIG_NO_WPA | |
1202 | struct wpa_sm_ctx *ctx; | |
1203 | ctx = os_zalloc(sizeof(*ctx)); | |
1204 | if (ctx == NULL) { | |
1205 | wpa_printf(MSG_ERROR, "Failed to allocate WPA context."); | |
1206 | return -1; | |
1207 | } | |
1208 | ||
1209 | ctx->ctx = wpa_s; | |
0f057fb2 | 1210 | ctx->msg_ctx = wpa_s; |
6fc6879b JM |
1211 | ctx->set_state = _wpa_supplicant_set_state; |
1212 | ctx->get_state = _wpa_supplicant_get_state; | |
6fc6879b | 1213 | ctx->deauthenticate = _wpa_supplicant_deauthenticate; |
6fc6879b JM |
1214 | ctx->set_key = wpa_supplicant_set_key; |
1215 | ctx->get_network_ctx = wpa_supplicant_get_network_ctx; | |
1216 | ctx->get_bssid = wpa_supplicant_get_bssid; | |
1217 | ctx->ether_send = _wpa_ether_send; | |
1218 | ctx->get_beacon_ie = wpa_supplicant_get_beacon_ie; | |
1219 | ctx->alloc_eapol = _wpa_alloc_eapol; | |
1220 | ctx->cancel_auth_timeout = _wpa_supplicant_cancel_auth_timeout; | |
1221 | ctx->add_pmkid = wpa_supplicant_add_pmkid; | |
1222 | ctx->remove_pmkid = wpa_supplicant_remove_pmkid; | |
1223 | #ifndef CONFIG_NO_CONFIG_BLOBS | |
1224 | ctx->set_config_blob = wpa_supplicant_set_config_blob; | |
1225 | ctx->get_config_blob = wpa_supplicant_get_config_blob; | |
1226 | #endif /* CONFIG_NO_CONFIG_BLOBS */ | |
1227 | ctx->mlme_setprotection = wpa_supplicant_mlme_setprotection; | |
1228 | #ifdef CONFIG_IEEE80211R | |
1229 | ctx->update_ft_ies = wpa_supplicant_update_ft_ies; | |
1230 | ctx->send_ft_action = wpa_supplicant_send_ft_action; | |
2a7e7f4e | 1231 | ctx->mark_authenticated = wpa_supplicant_mark_authenticated; |
6fc6879b | 1232 | #endif /* CONFIG_IEEE80211R */ |
281ff0aa | 1233 | #ifdef CONFIG_TDLS |
c58ab8f2 | 1234 | ctx->tdls_get_capa = wpa_supplicant_tdls_get_capa; |
281ff0aa GP |
1235 | ctx->send_tdls_mgmt = wpa_supplicant_send_tdls_mgmt; |
1236 | ctx->tdls_oper = wpa_supplicant_tdls_oper; | |
45b722f1 | 1237 | ctx->tdls_peer_addset = wpa_supplicant_tdls_peer_addset; |
6b90deae AN |
1238 | ctx->tdls_enable_channel_switch = |
1239 | wpa_supplicant_tdls_enable_channel_switch; | |
1240 | ctx->tdls_disable_channel_switch = | |
1241 | wpa_supplicant_tdls_disable_channel_switch; | |
281ff0aa | 1242 | #endif /* CONFIG_TDLS */ |
b14a210c | 1243 | ctx->set_rekey_offload = wpa_supplicant_set_rekey_offload; |
b41f2684 | 1244 | ctx->key_mgmt_set_pmk = wpa_supplicant_key_mgmt_set_pmk; |
124ddfa1 | 1245 | ctx->fils_hlp_rx = wpa_supplicant_fils_hlp_rx; |
4b62b52e | 1246 | ctx->channel_info = wpa_supplicant_channel_info; |
6fc6879b JM |
1247 | |
1248 | wpa_s->wpa = wpa_sm_init(ctx); | |
1249 | if (wpa_s->wpa == NULL) { | |
1250 | wpa_printf(MSG_ERROR, "Failed to initialize WPA state " | |
1251 | "machine"); | |
ef035578 | 1252 | os_free(ctx); |
6fc6879b JM |
1253 | return -1; |
1254 | } | |
1255 | #endif /* CONFIG_NO_WPA */ | |
1256 | ||
1257 | return 0; | |
1258 | } | |
1259 | ||
1260 | ||
1261 | void wpa_supplicant_rsn_supp_set_config(struct wpa_supplicant *wpa_s, | |
1262 | struct wpa_ssid *ssid) | |
1263 | { | |
1264 | struct rsn_supp_config conf; | |
1265 | if (ssid) { | |
1266 | os_memset(&conf, 0, sizeof(conf)); | |
886a807f | 1267 | conf.network_ctx = ssid; |
6fc6879b | 1268 | conf.allowed_pairwise_cipher = ssid->pairwise_cipher; |
a6a89fea | 1269 | #ifdef IEEE8021X_EAPOL |
6e202021 JM |
1270 | conf.proactive_key_caching = ssid->proactive_key_caching < 0 ? |
1271 | wpa_s->conf->okc : ssid->proactive_key_caching; | |
6fc6879b JM |
1272 | conf.eap_workaround = ssid->eap_workaround; |
1273 | conf.eap_conf_ctx = &ssid->eap; | |
a6a89fea | 1274 | #endif /* IEEE8021X_EAPOL */ |
6fc6879b JM |
1275 | conf.ssid = ssid->ssid; |
1276 | conf.ssid_len = ssid->ssid_len; | |
581a8cde | 1277 | conf.wpa_ptk_rekey = ssid->wpa_ptk_rekey; |
25ef8529 | 1278 | #ifdef CONFIG_P2P |
201b0f5f JM |
1279 | if (ssid->p2p_group && wpa_s->current_bss && |
1280 | !wpa_s->p2p_disable_ip_addr_req) { | |
25ef8529 JM |
1281 | struct wpabuf *p2p; |
1282 | p2p = wpa_bss_get_vendor_ie_multi(wpa_s->current_bss, | |
1283 | P2P_IE_VENDOR_TYPE); | |
1284 | if (p2p) { | |
1285 | u8 group_capab; | |
1286 | group_capab = p2p_get_group_capab(p2p); | |
1287 | if (group_capab & | |
1288 | P2P_GROUP_CAPAB_IP_ADDR_ALLOCATION) | |
1289 | conf.p2p = 1; | |
1290 | wpabuf_free(p2p); | |
1291 | } | |
1292 | } | |
1293 | #endif /* CONFIG_P2P */ | |
73ed03f3 | 1294 | conf.wpa_rsc_relaxation = wpa_s->conf->wpa_rsc_relaxation; |
869af307 JM |
1295 | #ifdef CONFIG_FILS |
1296 | if (wpa_key_mgmt_fils(wpa_s->key_mgmt)) | |
1297 | conf.fils_cache_id = | |
1298 | wpa_bss_get_fils_cache_id(wpa_s->current_bss); | |
1299 | #endif /* CONFIG_FILS */ | |
6fc6879b JM |
1300 | } |
1301 | wpa_sm_set_config(wpa_s->wpa, ssid ? &conf : NULL); | |
1302 | } |