]>
Commit | Line | Data |
---|---|---|
6fc6879b JM |
1 | /* |
2 | * WPA Supplicant - Glue code to setup EAPOL and RSN modules | |
56586197 | 3 | * Copyright (c) 2003-2008, Jouni Malinen <j@w1.fi> |
6fc6879b JM |
4 | * |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License version 2 as | |
7 | * published by the Free Software Foundation. | |
8 | * | |
9 | * Alternatively, this software may be distributed under the terms of BSD | |
10 | * license. | |
11 | * | |
12 | * See README and COPYING for more details. | |
13 | */ | |
14 | ||
15 | #include "includes.h" | |
16 | ||
17 | #include "common.h" | |
18 | #include "eapol_supp/eapol_supp_sm.h" | |
3acb5005 | 19 | #include "rsn_supp/wpa.h" |
6fc6879b JM |
20 | #include "eloop.h" |
21 | #include "config.h" | |
22 | #include "l2_packet/l2_packet.h" | |
90973fb2 | 23 | #include "common/wpa_common.h" |
6fc6879b | 24 | #include "wpa_supplicant_i.h" |
2d5b792d | 25 | #include "driver_i.h" |
3acb5005 | 26 | #include "rsn_supp/pmksa_cache.h" |
c2a04078 | 27 | #include "sme.h" |
90973fb2 JM |
28 | #include "common/ieee802_11_defs.h" |
29 | #include "common/wpa_ctrl.h" | |
6fc6879b | 30 | #include "wpas_glue.h" |
fa201b69 | 31 | #include "wps_supplicant.h" |
e48f0fb6 | 32 | #include "bss.h" |
9ba9fa07 | 33 | #include "scan.h" |
ade74830 | 34 | #include "notify.h" |
6fc6879b JM |
35 | |
36 | ||
37 | #ifndef CONFIG_NO_CONFIG_BLOBS | |
38 | #if defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA) | |
39 | static void wpa_supplicant_set_config_blob(void *ctx, | |
40 | struct wpa_config_blob *blob) | |
41 | { | |
42 | struct wpa_supplicant *wpa_s = ctx; | |
43 | wpa_config_set_blob(wpa_s->conf, blob); | |
c08b9180 JM |
44 | if (wpa_s->conf->update_config) { |
45 | int ret = wpa_config_write(wpa_s->confname, wpa_s->conf); | |
46 | if (ret) { | |
47 | wpa_printf(MSG_DEBUG, "Failed to update config after " | |
48 | "blob set"); | |
49 | } | |
50 | } | |
6fc6879b JM |
51 | } |
52 | ||
53 | ||
54 | static const struct wpa_config_blob * | |
55 | wpa_supplicant_get_config_blob(void *ctx, const char *name) | |
56 | { | |
57 | struct wpa_supplicant *wpa_s = ctx; | |
58 | return wpa_config_get_blob(wpa_s->conf, name); | |
59 | } | |
60 | #endif /* defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA) */ | |
61 | #endif /* CONFIG_NO_CONFIG_BLOBS */ | |
62 | ||
63 | ||
64 | #if defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA) | |
65 | static u8 * wpa_alloc_eapol(const struct wpa_supplicant *wpa_s, u8 type, | |
66 | const void *data, u16 data_len, | |
67 | size_t *msg_len, void **data_pos) | |
68 | { | |
69 | struct ieee802_1x_hdr *hdr; | |
70 | ||
71 | *msg_len = sizeof(*hdr) + data_len; | |
72 | hdr = os_malloc(*msg_len); | |
73 | if (hdr == NULL) | |
74 | return NULL; | |
75 | ||
76 | hdr->version = wpa_s->conf->eapol_version; | |
77 | hdr->type = type; | |
78 | hdr->length = host_to_be16(data_len); | |
79 | ||
80 | if (data) | |
81 | os_memcpy(hdr + 1, data, data_len); | |
82 | else | |
83 | os_memset(hdr + 1, 0, data_len); | |
84 | ||
85 | if (data_pos) | |
86 | *data_pos = hdr + 1; | |
87 | ||
88 | return (u8 *) hdr; | |
89 | } | |
90 | ||
91 | ||
92 | /** | |
93 | * wpa_ether_send - Send Ethernet frame | |
94 | * @wpa_s: Pointer to wpa_supplicant data | |
95 | * @dest: Destination MAC address | |
96 | * @proto: Ethertype in host byte order | |
97 | * @buf: Frame payload starting from IEEE 802.1X header | |
98 | * @len: Frame payload length | |
99 | * Returns: >=0 on success, <0 on failure | |
100 | */ | |
101 | static int wpa_ether_send(struct wpa_supplicant *wpa_s, const u8 *dest, | |
102 | u16 proto, const u8 *buf, size_t len) | |
103 | { | |
104 | if (wpa_s->l2) { | |
105 | return l2_packet_send(wpa_s->l2, dest, proto, buf, len); | |
106 | } | |
107 | ||
108 | return wpa_drv_send_eapol(wpa_s, dest, proto, buf, len); | |
109 | } | |
110 | #endif /* IEEE8021X_EAPOL || !CONFIG_NO_WPA */ | |
111 | ||
112 | ||
113 | #ifdef IEEE8021X_EAPOL | |
114 | ||
115 | /** | |
116 | * wpa_supplicant_eapol_send - Send IEEE 802.1X EAPOL packet to Authenticator | |
117 | * @ctx: Pointer to wpa_supplicant data (wpa_s) | |
118 | * @type: IEEE 802.1X packet type (IEEE802_1X_TYPE_*) | |
119 | * @buf: EAPOL payload (after IEEE 802.1X header) | |
120 | * @len: EAPOL payload length | |
121 | * Returns: >=0 on success, <0 on failure | |
122 | * | |
123 | * This function adds Ethernet and IEEE 802.1X header and sends the EAPOL frame | |
124 | * to the current Authenticator. | |
125 | */ | |
126 | static int wpa_supplicant_eapol_send(void *ctx, int type, const u8 *buf, | |
127 | size_t len) | |
128 | { | |
129 | struct wpa_supplicant *wpa_s = ctx; | |
130 | u8 *msg, *dst, bssid[ETH_ALEN]; | |
131 | size_t msglen; | |
132 | int res; | |
133 | ||
134 | /* TODO: could add l2_packet_sendmsg that allows fragments to avoid | |
135 | * extra copy here */ | |
136 | ||
56586197 | 137 | if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) || |
6fc6879b JM |
138 | wpa_s->key_mgmt == WPA_KEY_MGMT_NONE) { |
139 | /* Current SSID is not using IEEE 802.1X/EAP, so drop possible | |
140 | * EAPOL frames (mainly, EAPOL-Start) from EAPOL state | |
141 | * machines. */ | |
142 | wpa_printf(MSG_DEBUG, "WPA: drop TX EAPOL in non-IEEE 802.1X " | |
143 | "mode (type=%d len=%lu)", type, | |
144 | (unsigned long) len); | |
145 | return -1; | |
146 | } | |
147 | ||
148 | if (pmksa_cache_get_current(wpa_s->wpa) && | |
149 | type == IEEE802_1X_TYPE_EAPOL_START) { | |
150 | /* Trying to use PMKSA caching - do not send EAPOL-Start frames | |
151 | * since they will trigger full EAPOL authentication. */ | |
152 | wpa_printf(MSG_DEBUG, "RSN: PMKSA caching - do not send " | |
153 | "EAPOL-Start"); | |
154 | return -1; | |
155 | } | |
156 | ||
a8e16edc | 157 | if (is_zero_ether_addr(wpa_s->bssid)) { |
6fc6879b JM |
158 | wpa_printf(MSG_DEBUG, "BSSID not set when trying to send an " |
159 | "EAPOL frame"); | |
160 | if (wpa_drv_get_bssid(wpa_s, bssid) == 0 && | |
a8e16edc | 161 | !is_zero_ether_addr(bssid)) { |
6fc6879b JM |
162 | dst = bssid; |
163 | wpa_printf(MSG_DEBUG, "Using current BSSID " MACSTR | |
164 | " from the driver as the EAPOL destination", | |
165 | MAC2STR(dst)); | |
166 | } else { | |
167 | dst = wpa_s->last_eapol_src; | |
168 | wpa_printf(MSG_DEBUG, "Using the source address of the" | |
169 | " last received EAPOL frame " MACSTR " as " | |
170 | "the EAPOL destination", | |
171 | MAC2STR(dst)); | |
172 | } | |
173 | } else { | |
174 | /* BSSID was already set (from (Re)Assoc event, so use it as | |
175 | * the EAPOL destination. */ | |
176 | dst = wpa_s->bssid; | |
177 | } | |
178 | ||
179 | msg = wpa_alloc_eapol(wpa_s, type, buf, len, &msglen, NULL); | |
180 | if (msg == NULL) | |
181 | return -1; | |
182 | ||
183 | wpa_printf(MSG_DEBUG, "TX EAPOL: dst=" MACSTR, MAC2STR(dst)); | |
184 | wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", msg, msglen); | |
185 | res = wpa_ether_send(wpa_s, dst, ETH_P_EAPOL, msg, msglen); | |
186 | os_free(msg); | |
187 | return res; | |
188 | } | |
189 | ||
190 | ||
191 | /** | |
192 | * wpa_eapol_set_wep_key - set WEP key for the driver | |
193 | * @ctx: Pointer to wpa_supplicant data (wpa_s) | |
194 | * @unicast: 1 = individual unicast key, 0 = broadcast key | |
195 | * @keyidx: WEP key index (0..3) | |
196 | * @key: Pointer to key data | |
197 | * @keylen: Key length in bytes | |
198 | * Returns: 0 on success or < 0 on error. | |
199 | */ | |
200 | static int wpa_eapol_set_wep_key(void *ctx, int unicast, int keyidx, | |
201 | const u8 *key, size_t keylen) | |
202 | { | |
203 | struct wpa_supplicant *wpa_s = ctx; | |
204 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) { | |
205 | int cipher = (keylen == 5) ? WPA_CIPHER_WEP40 : | |
206 | WPA_CIPHER_WEP104; | |
207 | if (unicast) | |
208 | wpa_s->pairwise_cipher = cipher; | |
209 | else | |
210 | wpa_s->group_cipher = cipher; | |
211 | } | |
212 | return wpa_drv_set_key(wpa_s, WPA_ALG_WEP, | |
0382097e | 213 | unicast ? wpa_s->bssid : NULL, |
da64c266 | 214 | keyidx, unicast, NULL, 0, key, keylen); |
6fc6879b JM |
215 | } |
216 | ||
217 | ||
218 | static void wpa_supplicant_aborted_cached(void *ctx) | |
219 | { | |
220 | struct wpa_supplicant *wpa_s = ctx; | |
221 | wpa_sm_aborted_cached(wpa_s->wpa); | |
222 | } | |
223 | ||
224 | ||
225 | static void wpa_supplicant_eapol_cb(struct eapol_sm *eapol, int success, | |
226 | void *ctx) | |
227 | { | |
228 | struct wpa_supplicant *wpa_s = ctx; | |
229 | int res, pmk_len; | |
230 | u8 pmk[PMK_LEN]; | |
231 | ||
232 | wpa_printf(MSG_DEBUG, "EAPOL authentication completed %ssuccessfully", | |
233 | success ? "" : "un"); | |
234 | ||
fa201b69 | 235 | if (wpas_wps_eapol_cb(wpa_s) > 0) |
ad08c363 | 236 | return; |
ad08c363 | 237 | |
0930209d JM |
238 | if (!success) { |
239 | /* | |
240 | * Make sure we do not get stuck here waiting for long EAPOL | |
241 | * timeout if the AP does not disconnect in case of | |
242 | * authentication failure. | |
243 | */ | |
244 | wpa_supplicant_req_auth_timeout(wpa_s, 2, 0); | |
245 | } | |
246 | ||
c2a04078 | 247 | if (!success || !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE)) |
6fc6879b JM |
248 | return; |
249 | ||
56586197 | 250 | if (!wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) |
6fc6879b JM |
251 | return; |
252 | ||
253 | wpa_printf(MSG_DEBUG, "Configure PMK for driver-based RSN 4-way " | |
254 | "handshake"); | |
255 | ||
256 | pmk_len = PMK_LEN; | |
09c395b4 JM |
257 | if (wpa_key_mgmt_ft(wpa_s->key_mgmt)) { |
258 | #ifdef CONFIG_IEEE80211R | |
259 | u8 buf[2 * PMK_LEN]; | |
260 | wpa_printf(MSG_DEBUG, "RSN: Use FT XXKey as PMK for " | |
261 | "driver-based 4-way hs and FT"); | |
262 | res = eapol_sm_get_key(eapol, buf, 2 * PMK_LEN); | |
263 | if (res == 0) { | |
264 | os_memcpy(pmk, buf + PMK_LEN, PMK_LEN); | |
265 | os_memset(buf, 0, sizeof(buf)); | |
266 | } | |
267 | #else /* CONFIG_IEEE80211R */ | |
268 | res = -1; | |
269 | #endif /* CONFIG_IEEE80211R */ | |
270 | } else { | |
271 | res = eapol_sm_get_key(eapol, pmk, PMK_LEN); | |
272 | if (res) { | |
273 | /* | |
274 | * EAP-LEAP is an exception from other EAP methods: it | |
275 | * uses only 16-byte PMK. | |
276 | */ | |
277 | res = eapol_sm_get_key(eapol, pmk, 16); | |
278 | pmk_len = 16; | |
279 | } | |
6fc6879b JM |
280 | } |
281 | ||
282 | if (res) { | |
283 | wpa_printf(MSG_DEBUG, "Failed to get PMK from EAPOL state " | |
284 | "machines"); | |
285 | return; | |
286 | } | |
287 | ||
09c395b4 JM |
288 | wpa_hexdump_key(MSG_DEBUG, "RSN: Configure PMK for driver-based 4-way " |
289 | "handshake", pmk, pmk_len); | |
290 | ||
6fc6879b JM |
291 | if (wpa_drv_set_key(wpa_s, WPA_ALG_PMK, NULL, 0, 0, NULL, 0, pmk, |
292 | pmk_len)) { | |
293 | wpa_printf(MSG_DEBUG, "Failed to set PMK to the driver"); | |
294 | } | |
295 | ||
296 | wpa_supplicant_cancel_scan(wpa_s); | |
297 | wpa_supplicant_cancel_auth_timeout(wpa_s); | |
298 | wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); | |
299 | ||
300 | } | |
301 | ||
302 | ||
303 | static void wpa_supplicant_notify_eapol_done(void *ctx) | |
304 | { | |
305 | struct wpa_supplicant *wpa_s = ctx; | |
306 | wpa_msg(wpa_s, MSG_DEBUG, "WPA: EAPOL processing complete"); | |
56586197 | 307 | if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) { |
6fc6879b JM |
308 | wpa_supplicant_set_state(wpa_s, WPA_4WAY_HANDSHAKE); |
309 | } else { | |
6fc6879b JM |
310 | wpa_supplicant_cancel_auth_timeout(wpa_s); |
311 | wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); | |
312 | } | |
313 | } | |
314 | ||
315 | #endif /* IEEE8021X_EAPOL */ | |
316 | ||
317 | ||
318 | #ifndef CONFIG_NO_WPA | |
319 | ||
320 | static int wpa_get_beacon_ie(struct wpa_supplicant *wpa_s) | |
321 | { | |
6fc6879b | 322 | int ret = 0; |
e48f0fb6 | 323 | struct wpa_bss *curr = NULL, *bss; |
6fc6879b JM |
324 | struct wpa_ssid *ssid = wpa_s->current_ssid; |
325 | const u8 *ie; | |
326 | ||
e48f0fb6 JM |
327 | dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { |
328 | if (os_memcmp(bss->bssid, wpa_s->bssid, ETH_ALEN) != 0) | |
6fc6879b | 329 | continue; |
6fc6879b | 330 | if (ssid == NULL || |
e48f0fb6 JM |
331 | ((bss->ssid_len == ssid->ssid_len && |
332 | os_memcmp(bss->ssid, ssid->ssid, ssid->ssid_len) == 0) || | |
6fc6879b | 333 | ssid->ssid_len == 0)) { |
e48f0fb6 | 334 | curr = bss; |
6fc6879b JM |
335 | break; |
336 | } | |
337 | } | |
338 | ||
339 | if (curr) { | |
e48f0fb6 | 340 | ie = wpa_bss_get_vendor_ie(curr, WPA_IE_VENDOR_TYPE); |
6fc6879b JM |
341 | if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0)) |
342 | ret = -1; | |
343 | ||
e48f0fb6 | 344 | ie = wpa_bss_get_ie(curr, WLAN_EID_RSN); |
6fc6879b JM |
345 | if (wpa_sm_set_ap_rsn_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0)) |
346 | ret = -1; | |
347 | } else { | |
348 | ret = -1; | |
349 | } | |
350 | ||
351 | return ret; | |
352 | } | |
353 | ||
354 | ||
355 | static int wpa_supplicant_get_beacon_ie(void *ctx) | |
356 | { | |
357 | struct wpa_supplicant *wpa_s = ctx; | |
358 | if (wpa_get_beacon_ie(wpa_s) == 0) { | |
359 | return 0; | |
360 | } | |
361 | ||
362 | /* No WPA/RSN IE found in the cached scan results. Try to get updated | |
363 | * scan results from the driver. */ | |
a1fd2ce5 | 364 | if (wpa_supplicant_update_scan_results(wpa_s) < 0) |
6fc6879b | 365 | return -1; |
6fc6879b JM |
366 | |
367 | return wpa_get_beacon_ie(wpa_s); | |
368 | } | |
369 | ||
370 | ||
371 | static u8 * _wpa_alloc_eapol(void *wpa_s, u8 type, | |
372 | const void *data, u16 data_len, | |
373 | size_t *msg_len, void **data_pos) | |
374 | { | |
375 | return wpa_alloc_eapol(wpa_s, type, data, data_len, msg_len, data_pos); | |
376 | } | |
377 | ||
378 | ||
379 | static int _wpa_ether_send(void *wpa_s, const u8 *dest, u16 proto, | |
380 | const u8 *buf, size_t len) | |
381 | { | |
382 | return wpa_ether_send(wpa_s, dest, proto, buf, len); | |
383 | } | |
384 | ||
385 | ||
6fc6879b JM |
386 | static void _wpa_supplicant_cancel_auth_timeout(void *wpa_s) |
387 | { | |
388 | wpa_supplicant_cancel_auth_timeout(wpa_s); | |
389 | } | |
390 | ||
391 | ||
71934751 | 392 | static void _wpa_supplicant_set_state(void *wpa_s, enum wpa_states state) |
6fc6879b JM |
393 | { |
394 | wpa_supplicant_set_state(wpa_s, state); | |
395 | } | |
396 | ||
397 | ||
398 | /** | |
399 | * wpa_supplicant_get_state - Get the connection state | |
400 | * @wpa_s: Pointer to wpa_supplicant data | |
401 | * Returns: The current connection state (WPA_*) | |
402 | */ | |
71934751 | 403 | static enum wpa_states wpa_supplicant_get_state(struct wpa_supplicant *wpa_s) |
6fc6879b JM |
404 | { |
405 | return wpa_s->wpa_state; | |
406 | } | |
407 | ||
408 | ||
71934751 | 409 | static enum wpa_states _wpa_supplicant_get_state(void *wpa_s) |
6fc6879b JM |
410 | { |
411 | return wpa_supplicant_get_state(wpa_s); | |
412 | } | |
413 | ||
414 | ||
415 | static void _wpa_supplicant_disassociate(void *wpa_s, int reason_code) | |
416 | { | |
417 | wpa_supplicant_disassociate(wpa_s, reason_code); | |
3e2ad1b9 | 418 | /* Schedule a scan to make sure we continue looking for networks */ |
83935317 | 419 | wpa_supplicant_req_scan(wpa_s, 5, 0); |
6fc6879b JM |
420 | } |
421 | ||
422 | ||
423 | static void _wpa_supplicant_deauthenticate(void *wpa_s, int reason_code) | |
424 | { | |
425 | wpa_supplicant_deauthenticate(wpa_s, reason_code); | |
3e2ad1b9 | 426 | /* Schedule a scan to make sure we continue looking for networks */ |
83935317 | 427 | wpa_supplicant_req_scan(wpa_s, 5, 0); |
6fc6879b JM |
428 | } |
429 | ||
430 | ||
431 | static void * wpa_supplicant_get_network_ctx(void *wpa_s) | |
432 | { | |
433 | return wpa_supplicant_get_ssid(wpa_s); | |
434 | } | |
435 | ||
436 | ||
437 | static int wpa_supplicant_get_bssid(void *ctx, u8 *bssid) | |
438 | { | |
439 | struct wpa_supplicant *wpa_s = ctx; | |
6fc6879b JM |
440 | return wpa_drv_get_bssid(wpa_s, bssid); |
441 | } | |
442 | ||
443 | ||
71934751 | 444 | static int wpa_supplicant_set_key(void *_wpa_s, enum wpa_alg alg, |
6fc6879b JM |
445 | const u8 *addr, int key_idx, int set_tx, |
446 | const u8 *seq, size_t seq_len, | |
447 | const u8 *key, size_t key_len) | |
448 | { | |
46690a3b JM |
449 | struct wpa_supplicant *wpa_s = _wpa_s; |
450 | if (alg == WPA_ALG_TKIP && key_idx == 0 && key_len == 32) { | |
451 | /* Clear the MIC error counter when setting a new PTK. */ | |
452 | wpa_s->mic_errors_seen = 0; | |
453 | } | |
6fc6879b JM |
454 | return wpa_drv_set_key(wpa_s, alg, addr, key_idx, set_tx, seq, seq_len, |
455 | key, key_len); | |
456 | } | |
457 | ||
458 | ||
459 | static int wpa_supplicant_mlme_setprotection(void *wpa_s, const u8 *addr, | |
460 | int protection_type, | |
461 | int key_type) | |
462 | { | |
463 | return wpa_drv_mlme_setprotection(wpa_s, addr, protection_type, | |
464 | key_type); | |
465 | } | |
466 | ||
467 | ||
468 | static int wpa_supplicant_add_pmkid(void *wpa_s, | |
469 | const u8 *bssid, const u8 *pmkid) | |
470 | { | |
471 | return wpa_drv_add_pmkid(wpa_s, bssid, pmkid); | |
472 | } | |
473 | ||
474 | ||
475 | static int wpa_supplicant_remove_pmkid(void *wpa_s, | |
476 | const u8 *bssid, const u8 *pmkid) | |
477 | { | |
478 | return wpa_drv_remove_pmkid(wpa_s, bssid, pmkid); | |
479 | } | |
480 | ||
481 | ||
482 | #ifdef CONFIG_IEEE80211R | |
483 | static int wpa_supplicant_update_ft_ies(void *ctx, const u8 *md, | |
484 | const u8 *ies, size_t ies_len) | |
485 | { | |
486 | struct wpa_supplicant *wpa_s = ctx; | |
c2a04078 JM |
487 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) |
488 | return sme_update_ft_ies(wpa_s, md, ies, ies_len); | |
6fc6879b JM |
489 | return wpa_drv_update_ft_ies(wpa_s, md, ies, ies_len); |
490 | } | |
491 | ||
492 | ||
493 | static int wpa_supplicant_send_ft_action(void *ctx, u8 action, | |
494 | const u8 *target_ap, | |
495 | const u8 *ies, size_t ies_len) | |
496 | { | |
497 | struct wpa_supplicant *wpa_s = ctx; | |
6fc6879b JM |
498 | return wpa_drv_send_ft_action(wpa_s, action, target_ap, ies, ies_len); |
499 | } | |
2a7e7f4e JM |
500 | |
501 | ||
502 | static int wpa_supplicant_mark_authenticated(void *ctx, const u8 *target_ap) | |
503 | { | |
504 | struct wpa_supplicant *wpa_s = ctx; | |
505 | struct wpa_driver_auth_params params; | |
506 | struct wpa_bss *bss; | |
507 | ||
2a7e7f4e JM |
508 | bss = wpa_bss_get_bssid(wpa_s, target_ap); |
509 | if (bss == NULL) | |
510 | return -1; | |
511 | ||
512 | os_memset(¶ms, 0, sizeof(params)); | |
513 | params.bssid = target_ap; | |
514 | params.freq = bss->freq; | |
515 | params.ssid = bss->ssid; | |
516 | params.ssid_len = bss->ssid_len; | |
517 | params.auth_alg = WPA_AUTH_ALG_FT; | |
518 | params.local_state_change = 1; | |
519 | return wpa_drv_authenticate(wpa_s, ¶ms); | |
520 | } | |
6fc6879b JM |
521 | #endif /* CONFIG_IEEE80211R */ |
522 | ||
523 | #endif /* CONFIG_NO_WPA */ | |
524 | ||
525 | ||
281ff0aa GP |
526 | #ifdef CONFIG_TDLS |
527 | ||
c58ab8f2 AN |
528 | static int wpa_supplicant_tdls_get_capa(void *ctx, int *tdls_supported, |
529 | int *tdls_ext_setup) | |
530 | { | |
531 | struct wpa_supplicant *wpa_s = ctx; | |
532 | ||
533 | *tdls_supported = 0; | |
534 | *tdls_ext_setup = 0; | |
535 | ||
536 | if (!wpa_s->drv_capa_known) | |
537 | return -1; | |
538 | ||
539 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) | |
540 | *tdls_supported = 1; | |
541 | ||
542 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP) | |
543 | *tdls_ext_setup = 1; | |
544 | ||
545 | return 0; | |
546 | } | |
547 | ||
548 | ||
281ff0aa GP |
549 | static int wpa_supplicant_send_tdls_mgmt(void *ctx, const u8 *dst, |
550 | u8 action_code, u8 dialog_token, | |
551 | u16 status_code, const u8 *buf, | |
552 | size_t len) | |
553 | { | |
554 | struct wpa_supplicant *wpa_s = ctx; | |
555 | return wpa_drv_send_tdls_mgmt(wpa_s, dst, action_code, dialog_token, | |
556 | status_code, buf, len); | |
557 | } | |
558 | ||
559 | ||
560 | static int wpa_supplicant_tdls_oper(void *ctx, int oper, const u8 *peer) | |
561 | { | |
562 | struct wpa_supplicant *wpa_s = ctx; | |
563 | return wpa_drv_tdls_oper(wpa_s, oper, peer); | |
564 | } | |
565 | ||
566 | #endif /* CONFIG_TDLS */ | |
567 | ||
568 | ||
b1491202 | 569 | #ifdef IEEE8021X_EAPOL |
6fc6879b JM |
570 | #if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG) |
571 | static void wpa_supplicant_eap_param_needed(void *ctx, const char *field, | |
572 | const char *txt) | |
573 | { | |
574 | struct wpa_supplicant *wpa_s = ctx; | |
575 | struct wpa_ssid *ssid = wpa_s->current_ssid; | |
576 | char *buf; | |
577 | size_t buflen; | |
578 | int len; | |
579 | ||
580 | if (ssid == NULL) | |
581 | return; | |
582 | ||
583 | buflen = 100 + os_strlen(txt) + ssid->ssid_len; | |
584 | buf = os_malloc(buflen); | |
585 | if (buf == NULL) | |
586 | return; | |
587 | len = os_snprintf(buf, buflen, | |
588 | WPA_CTRL_REQ "%s-%d:%s needed for SSID ", | |
589 | field, ssid->id, txt); | |
590 | if (len < 0 || (size_t) len >= buflen) { | |
591 | os_free(buf); | |
592 | return; | |
593 | } | |
594 | if (ssid->ssid && buflen > len + ssid->ssid_len) { | |
595 | os_memcpy(buf + len, ssid->ssid, ssid->ssid_len); | |
596 | len += ssid->ssid_len; | |
597 | buf[len] = '\0'; | |
598 | } | |
599 | buf[buflen - 1] = '\0'; | |
600 | wpa_msg(wpa_s, MSG_INFO, "%s", buf); | |
601 | os_free(buf); | |
602 | } | |
603 | #else /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */ | |
604 | #define wpa_supplicant_eap_param_needed NULL | |
605 | #endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */ | |
606 | ||
607 | ||
4bc181ec JM |
608 | static void wpa_supplicant_port_cb(void *ctx, int authorized) |
609 | { | |
610 | struct wpa_supplicant *wpa_s = ctx; | |
69a6b47a JM |
611 | #ifdef CONFIG_AP |
612 | if (wpa_s->ap_iface) { | |
613 | wpa_printf(MSG_DEBUG, "AP mode active - skip EAPOL Supplicant " | |
614 | "port status: %s", | |
615 | authorized ? "Authorized" : "Unauthorized"); | |
616 | return; | |
617 | } | |
618 | #endif /* CONFIG_AP */ | |
4bc181ec JM |
619 | wpa_printf(MSG_DEBUG, "EAPOL: Supplicant port status: %s", |
620 | authorized ? "Authorized" : "Unauthorized"); | |
621 | wpa_drv_set_supp_port(wpa_s, authorized); | |
622 | } | |
ade74830 MC |
623 | |
624 | ||
625 | static void wpa_supplicant_cert_cb(void *ctx, int depth, const char *subject, | |
626 | const char *cert_hash, | |
627 | const struct wpabuf *cert) | |
628 | { | |
629 | struct wpa_supplicant *wpa_s = ctx; | |
630 | ||
631 | wpas_notify_certification(wpa_s, depth, subject, cert_hash, cert); | |
632 | } | |
b1491202 | 633 | #endif /* IEEE8021X_EAPOL */ |
4bc181ec JM |
634 | |
635 | ||
6fc6879b JM |
636 | int wpa_supplicant_init_eapol(struct wpa_supplicant *wpa_s) |
637 | { | |
638 | #ifdef IEEE8021X_EAPOL | |
639 | struct eapol_ctx *ctx; | |
640 | ctx = os_zalloc(sizeof(*ctx)); | |
641 | if (ctx == NULL) { | |
642 | wpa_printf(MSG_ERROR, "Failed to allocate EAPOL context."); | |
643 | return -1; | |
644 | } | |
645 | ||
646 | ctx->ctx = wpa_s; | |
647 | ctx->msg_ctx = wpa_s; | |
648 | ctx->eapol_send_ctx = wpa_s; | |
649 | ctx->preauth = 0; | |
650 | ctx->eapol_done_cb = wpa_supplicant_notify_eapol_done; | |
651 | ctx->eapol_send = wpa_supplicant_eapol_send; | |
652 | ctx->set_wep_key = wpa_eapol_set_wep_key; | |
653 | ctx->set_config_blob = wpa_supplicant_set_config_blob; | |
654 | ctx->get_config_blob = wpa_supplicant_get_config_blob; | |
655 | ctx->aborted_cached = wpa_supplicant_aborted_cached; | |
6fc6879b JM |
656 | ctx->opensc_engine_path = wpa_s->conf->opensc_engine_path; |
657 | ctx->pkcs11_engine_path = wpa_s->conf->pkcs11_engine_path; | |
658 | ctx->pkcs11_module_path = wpa_s->conf->pkcs11_module_path; | |
116654ce | 659 | ctx->wps = wpa_s->wps; |
6fc6879b | 660 | ctx->eap_param_needed = wpa_supplicant_eap_param_needed; |
4bc181ec | 661 | ctx->port_cb = wpa_supplicant_port_cb; |
6fc6879b | 662 | ctx->cb = wpa_supplicant_eapol_cb; |
ade74830 | 663 | ctx->cert_cb = wpa_supplicant_cert_cb; |
6fc6879b JM |
664 | ctx->cb_ctx = wpa_s; |
665 | wpa_s->eapol = eapol_sm_init(ctx); | |
666 | if (wpa_s->eapol == NULL) { | |
667 | os_free(ctx); | |
668 | wpa_printf(MSG_ERROR, "Failed to initialize EAPOL state " | |
669 | "machines."); | |
670 | return -1; | |
671 | } | |
672 | #endif /* IEEE8021X_EAPOL */ | |
673 | ||
674 | return 0; | |
675 | } | |
676 | ||
677 | ||
b14a210c JB |
678 | static void wpa_supplicant_set_rekey_offload(void *ctx, const u8 *kek, |
679 | const u8 *kck, | |
680 | const u8 *replay_ctr) | |
681 | { | |
682 | struct wpa_supplicant *wpa_s = ctx; | |
683 | ||
684 | wpa_drv_set_rekey_info(wpa_s, kek, kck, replay_ctr); | |
685 | } | |
686 | ||
687 | ||
6fc6879b JM |
688 | int wpa_supplicant_init_wpa(struct wpa_supplicant *wpa_s) |
689 | { | |
690 | #ifndef CONFIG_NO_WPA | |
691 | struct wpa_sm_ctx *ctx; | |
692 | ctx = os_zalloc(sizeof(*ctx)); | |
693 | if (ctx == NULL) { | |
694 | wpa_printf(MSG_ERROR, "Failed to allocate WPA context."); | |
695 | return -1; | |
696 | } | |
697 | ||
698 | ctx->ctx = wpa_s; | |
0f057fb2 | 699 | ctx->msg_ctx = wpa_s; |
6fc6879b JM |
700 | ctx->set_state = _wpa_supplicant_set_state; |
701 | ctx->get_state = _wpa_supplicant_get_state; | |
6fc6879b JM |
702 | ctx->deauthenticate = _wpa_supplicant_deauthenticate; |
703 | ctx->disassociate = _wpa_supplicant_disassociate; | |
704 | ctx->set_key = wpa_supplicant_set_key; | |
705 | ctx->get_network_ctx = wpa_supplicant_get_network_ctx; | |
706 | ctx->get_bssid = wpa_supplicant_get_bssid; | |
707 | ctx->ether_send = _wpa_ether_send; | |
708 | ctx->get_beacon_ie = wpa_supplicant_get_beacon_ie; | |
709 | ctx->alloc_eapol = _wpa_alloc_eapol; | |
710 | ctx->cancel_auth_timeout = _wpa_supplicant_cancel_auth_timeout; | |
711 | ctx->add_pmkid = wpa_supplicant_add_pmkid; | |
712 | ctx->remove_pmkid = wpa_supplicant_remove_pmkid; | |
713 | #ifndef CONFIG_NO_CONFIG_BLOBS | |
714 | ctx->set_config_blob = wpa_supplicant_set_config_blob; | |
715 | ctx->get_config_blob = wpa_supplicant_get_config_blob; | |
716 | #endif /* CONFIG_NO_CONFIG_BLOBS */ | |
717 | ctx->mlme_setprotection = wpa_supplicant_mlme_setprotection; | |
718 | #ifdef CONFIG_IEEE80211R | |
719 | ctx->update_ft_ies = wpa_supplicant_update_ft_ies; | |
720 | ctx->send_ft_action = wpa_supplicant_send_ft_action; | |
2a7e7f4e | 721 | ctx->mark_authenticated = wpa_supplicant_mark_authenticated; |
6fc6879b | 722 | #endif /* CONFIG_IEEE80211R */ |
281ff0aa | 723 | #ifdef CONFIG_TDLS |
c58ab8f2 | 724 | ctx->tdls_get_capa = wpa_supplicant_tdls_get_capa; |
281ff0aa GP |
725 | ctx->send_tdls_mgmt = wpa_supplicant_send_tdls_mgmt; |
726 | ctx->tdls_oper = wpa_supplicant_tdls_oper; | |
727 | #endif /* CONFIG_TDLS */ | |
b14a210c | 728 | ctx->set_rekey_offload = wpa_supplicant_set_rekey_offload; |
6fc6879b JM |
729 | |
730 | wpa_s->wpa = wpa_sm_init(ctx); | |
731 | if (wpa_s->wpa == NULL) { | |
732 | wpa_printf(MSG_ERROR, "Failed to initialize WPA state " | |
733 | "machine"); | |
734 | return -1; | |
735 | } | |
736 | #endif /* CONFIG_NO_WPA */ | |
737 | ||
738 | return 0; | |
739 | } | |
740 | ||
741 | ||
742 | void wpa_supplicant_rsn_supp_set_config(struct wpa_supplicant *wpa_s, | |
743 | struct wpa_ssid *ssid) | |
744 | { | |
745 | struct rsn_supp_config conf; | |
746 | if (ssid) { | |
747 | os_memset(&conf, 0, sizeof(conf)); | |
886a807f | 748 | conf.network_ctx = ssid; |
6fc6879b JM |
749 | conf.peerkey_enabled = ssid->peerkey; |
750 | conf.allowed_pairwise_cipher = ssid->pairwise_cipher; | |
a6a89fea | 751 | #ifdef IEEE8021X_EAPOL |
7c444f3c | 752 | conf.proactive_key_caching = ssid->proactive_key_caching; |
6fc6879b JM |
753 | conf.eap_workaround = ssid->eap_workaround; |
754 | conf.eap_conf_ctx = &ssid->eap; | |
a6a89fea | 755 | #endif /* IEEE8021X_EAPOL */ |
6fc6879b JM |
756 | conf.ssid = ssid->ssid; |
757 | conf.ssid_len = ssid->ssid_len; | |
581a8cde | 758 | conf.wpa_ptk_rekey = ssid->wpa_ptk_rekey; |
6fc6879b JM |
759 | } |
760 | wpa_sm_set_config(wpa_s->wpa, ssid ? &conf : NULL); | |
761 | } |