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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" | |
19 | #include "wpa.h" | |
20 | #include "eloop.h" | |
21 | #include "config.h" | |
22 | #include "l2_packet/l2_packet.h" | |
23 | #include "wpa_common.h" | |
24 | #include "wpa_supplicant_i.h" | |
25 | #include "pmksa_cache.h" | |
26 | #include "mlme.h" | |
27 | #include "ieee802_11_defs.h" | |
28 | #include "wpa_ctrl.h" | |
29 | #include "wpas_glue.h" | |
30 | ||
31 | ||
32 | #ifndef CONFIG_NO_CONFIG_BLOBS | |
33 | #if defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA) | |
34 | static void wpa_supplicant_set_config_blob(void *ctx, | |
35 | struct wpa_config_blob *blob) | |
36 | { | |
37 | struct wpa_supplicant *wpa_s = ctx; | |
38 | wpa_config_set_blob(wpa_s->conf, blob); | |
39 | } | |
40 | ||
41 | ||
42 | static const struct wpa_config_blob * | |
43 | wpa_supplicant_get_config_blob(void *ctx, const char *name) | |
44 | { | |
45 | struct wpa_supplicant *wpa_s = ctx; | |
46 | return wpa_config_get_blob(wpa_s->conf, name); | |
47 | } | |
48 | #endif /* defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA) */ | |
49 | #endif /* CONFIG_NO_CONFIG_BLOBS */ | |
50 | ||
51 | ||
52 | #if defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA) | |
53 | static u8 * wpa_alloc_eapol(const struct wpa_supplicant *wpa_s, u8 type, | |
54 | const void *data, u16 data_len, | |
55 | size_t *msg_len, void **data_pos) | |
56 | { | |
57 | struct ieee802_1x_hdr *hdr; | |
58 | ||
59 | *msg_len = sizeof(*hdr) + data_len; | |
60 | hdr = os_malloc(*msg_len); | |
61 | if (hdr == NULL) | |
62 | return NULL; | |
63 | ||
64 | hdr->version = wpa_s->conf->eapol_version; | |
65 | hdr->type = type; | |
66 | hdr->length = host_to_be16(data_len); | |
67 | ||
68 | if (data) | |
69 | os_memcpy(hdr + 1, data, data_len); | |
70 | else | |
71 | os_memset(hdr + 1, 0, data_len); | |
72 | ||
73 | if (data_pos) | |
74 | *data_pos = hdr + 1; | |
75 | ||
76 | return (u8 *) hdr; | |
77 | } | |
78 | ||
79 | ||
80 | /** | |
81 | * wpa_ether_send - Send Ethernet frame | |
82 | * @wpa_s: Pointer to wpa_supplicant data | |
83 | * @dest: Destination MAC address | |
84 | * @proto: Ethertype in host byte order | |
85 | * @buf: Frame payload starting from IEEE 802.1X header | |
86 | * @len: Frame payload length | |
87 | * Returns: >=0 on success, <0 on failure | |
88 | */ | |
89 | static int wpa_ether_send(struct wpa_supplicant *wpa_s, const u8 *dest, | |
90 | u16 proto, const u8 *buf, size_t len) | |
91 | { | |
92 | if (wpa_s->l2) { | |
93 | return l2_packet_send(wpa_s->l2, dest, proto, buf, len); | |
94 | } | |
95 | ||
96 | return wpa_drv_send_eapol(wpa_s, dest, proto, buf, len); | |
97 | } | |
98 | #endif /* IEEE8021X_EAPOL || !CONFIG_NO_WPA */ | |
99 | ||
100 | ||
101 | #ifdef IEEE8021X_EAPOL | |
102 | ||
103 | /** | |
104 | * wpa_supplicant_eapol_send - Send IEEE 802.1X EAPOL packet to Authenticator | |
105 | * @ctx: Pointer to wpa_supplicant data (wpa_s) | |
106 | * @type: IEEE 802.1X packet type (IEEE802_1X_TYPE_*) | |
107 | * @buf: EAPOL payload (after IEEE 802.1X header) | |
108 | * @len: EAPOL payload length | |
109 | * Returns: >=0 on success, <0 on failure | |
110 | * | |
111 | * This function adds Ethernet and IEEE 802.1X header and sends the EAPOL frame | |
112 | * to the current Authenticator. | |
113 | */ | |
114 | static int wpa_supplicant_eapol_send(void *ctx, int type, const u8 *buf, | |
115 | size_t len) | |
116 | { | |
117 | struct wpa_supplicant *wpa_s = ctx; | |
118 | u8 *msg, *dst, bssid[ETH_ALEN]; | |
119 | size_t msglen; | |
120 | int res; | |
121 | ||
122 | /* TODO: could add l2_packet_sendmsg that allows fragments to avoid | |
123 | * extra copy here */ | |
124 | ||
56586197 | 125 | if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) || |
6fc6879b JM |
126 | wpa_s->key_mgmt == WPA_KEY_MGMT_NONE) { |
127 | /* Current SSID is not using IEEE 802.1X/EAP, so drop possible | |
128 | * EAPOL frames (mainly, EAPOL-Start) from EAPOL state | |
129 | * machines. */ | |
130 | wpa_printf(MSG_DEBUG, "WPA: drop TX EAPOL in non-IEEE 802.1X " | |
131 | "mode (type=%d len=%lu)", type, | |
132 | (unsigned long) len); | |
133 | return -1; | |
134 | } | |
135 | ||
136 | if (pmksa_cache_get_current(wpa_s->wpa) && | |
137 | type == IEEE802_1X_TYPE_EAPOL_START) { | |
138 | /* Trying to use PMKSA caching - do not send EAPOL-Start frames | |
139 | * since they will trigger full EAPOL authentication. */ | |
140 | wpa_printf(MSG_DEBUG, "RSN: PMKSA caching - do not send " | |
141 | "EAPOL-Start"); | |
142 | return -1; | |
143 | } | |
144 | ||
a8e16edc | 145 | if (is_zero_ether_addr(wpa_s->bssid)) { |
6fc6879b JM |
146 | wpa_printf(MSG_DEBUG, "BSSID not set when trying to send an " |
147 | "EAPOL frame"); | |
148 | if (wpa_drv_get_bssid(wpa_s, bssid) == 0 && | |
a8e16edc | 149 | !is_zero_ether_addr(bssid)) { |
6fc6879b JM |
150 | dst = bssid; |
151 | wpa_printf(MSG_DEBUG, "Using current BSSID " MACSTR | |
152 | " from the driver as the EAPOL destination", | |
153 | MAC2STR(dst)); | |
154 | } else { | |
155 | dst = wpa_s->last_eapol_src; | |
156 | wpa_printf(MSG_DEBUG, "Using the source address of the" | |
157 | " last received EAPOL frame " MACSTR " as " | |
158 | "the EAPOL destination", | |
159 | MAC2STR(dst)); | |
160 | } | |
161 | } else { | |
162 | /* BSSID was already set (from (Re)Assoc event, so use it as | |
163 | * the EAPOL destination. */ | |
164 | dst = wpa_s->bssid; | |
165 | } | |
166 | ||
167 | msg = wpa_alloc_eapol(wpa_s, type, buf, len, &msglen, NULL); | |
168 | if (msg == NULL) | |
169 | return -1; | |
170 | ||
171 | wpa_printf(MSG_DEBUG, "TX EAPOL: dst=" MACSTR, MAC2STR(dst)); | |
172 | wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", msg, msglen); | |
173 | res = wpa_ether_send(wpa_s, dst, ETH_P_EAPOL, msg, msglen); | |
174 | os_free(msg); | |
175 | return res; | |
176 | } | |
177 | ||
178 | ||
179 | /** | |
180 | * wpa_eapol_set_wep_key - set WEP key for the driver | |
181 | * @ctx: Pointer to wpa_supplicant data (wpa_s) | |
182 | * @unicast: 1 = individual unicast key, 0 = broadcast key | |
183 | * @keyidx: WEP key index (0..3) | |
184 | * @key: Pointer to key data | |
185 | * @keylen: Key length in bytes | |
186 | * Returns: 0 on success or < 0 on error. | |
187 | */ | |
188 | static int wpa_eapol_set_wep_key(void *ctx, int unicast, int keyidx, | |
189 | const u8 *key, size_t keylen) | |
190 | { | |
191 | struct wpa_supplicant *wpa_s = ctx; | |
192 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) { | |
193 | int cipher = (keylen == 5) ? WPA_CIPHER_WEP40 : | |
194 | WPA_CIPHER_WEP104; | |
195 | if (unicast) | |
196 | wpa_s->pairwise_cipher = cipher; | |
197 | else | |
198 | wpa_s->group_cipher = cipher; | |
199 | } | |
200 | return wpa_drv_set_key(wpa_s, WPA_ALG_WEP, | |
201 | unicast ? wpa_s->bssid : | |
202 | (u8 *) "\xff\xff\xff\xff\xff\xff", | |
203 | keyidx, unicast, (u8 *) "", 0, key, keylen); | |
204 | } | |
205 | ||
206 | ||
207 | static void wpa_supplicant_aborted_cached(void *ctx) | |
208 | { | |
209 | struct wpa_supplicant *wpa_s = ctx; | |
210 | wpa_sm_aborted_cached(wpa_s->wpa); | |
211 | } | |
212 | ||
213 | ||
214 | static void wpa_supplicant_eapol_cb(struct eapol_sm *eapol, int success, | |
215 | void *ctx) | |
216 | { | |
217 | struct wpa_supplicant *wpa_s = ctx; | |
218 | int res, pmk_len; | |
219 | u8 pmk[PMK_LEN]; | |
220 | ||
221 | wpa_printf(MSG_DEBUG, "EAPOL authentication completed %ssuccessfully", | |
222 | success ? "" : "un"); | |
223 | ||
224 | if (!success || !wpa_s->driver_4way_handshake) | |
225 | return; | |
226 | ||
56586197 | 227 | if (!wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) |
6fc6879b JM |
228 | return; |
229 | ||
230 | wpa_printf(MSG_DEBUG, "Configure PMK for driver-based RSN 4-way " | |
231 | "handshake"); | |
232 | ||
233 | pmk_len = PMK_LEN; | |
234 | res = eapol_sm_get_key(eapol, pmk, PMK_LEN); | |
235 | if (res) { | |
236 | /* | |
237 | * EAP-LEAP is an exception from other EAP methods: it | |
238 | * uses only 16-byte PMK. | |
239 | */ | |
240 | res = eapol_sm_get_key(eapol, pmk, 16); | |
241 | pmk_len = 16; | |
242 | } | |
243 | ||
244 | if (res) { | |
245 | wpa_printf(MSG_DEBUG, "Failed to get PMK from EAPOL state " | |
246 | "machines"); | |
247 | return; | |
248 | } | |
249 | ||
250 | if (wpa_drv_set_key(wpa_s, WPA_ALG_PMK, NULL, 0, 0, NULL, 0, pmk, | |
251 | pmk_len)) { | |
252 | wpa_printf(MSG_DEBUG, "Failed to set PMK to the driver"); | |
253 | } | |
254 | ||
255 | wpa_supplicant_cancel_scan(wpa_s); | |
256 | wpa_supplicant_cancel_auth_timeout(wpa_s); | |
257 | wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); | |
258 | ||
259 | } | |
260 | ||
261 | ||
262 | static void wpa_supplicant_notify_eapol_done(void *ctx) | |
263 | { | |
264 | struct wpa_supplicant *wpa_s = ctx; | |
265 | wpa_msg(wpa_s, MSG_DEBUG, "WPA: EAPOL processing complete"); | |
56586197 | 266 | if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) { |
6fc6879b JM |
267 | wpa_supplicant_set_state(wpa_s, WPA_4WAY_HANDSHAKE); |
268 | } else { | |
6fc6879b JM |
269 | wpa_supplicant_cancel_auth_timeout(wpa_s); |
270 | wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); | |
271 | } | |
272 | } | |
273 | ||
274 | #endif /* IEEE8021X_EAPOL */ | |
275 | ||
276 | ||
277 | #ifndef CONFIG_NO_WPA | |
278 | ||
279 | static int wpa_get_beacon_ie(struct wpa_supplicant *wpa_s) | |
280 | { | |
281 | size_t i; | |
282 | int ret = 0; | |
283 | struct wpa_scan_res *curr = NULL; | |
284 | struct wpa_ssid *ssid = wpa_s->current_ssid; | |
285 | const u8 *ie; | |
286 | ||
287 | if (wpa_s->scan_res == NULL) | |
288 | return -1; | |
289 | ||
290 | for (i = 0; i < wpa_s->scan_res->num; i++) { | |
291 | struct wpa_scan_res *r = wpa_s->scan_res->res[i]; | |
292 | if (os_memcmp(r->bssid, wpa_s->bssid, ETH_ALEN) != 0) | |
293 | continue; | |
294 | ie = wpa_scan_get_ie(r, WLAN_EID_SSID); | |
295 | if (ssid == NULL || | |
296 | ((ie && ie[1] == ssid->ssid_len && | |
297 | os_memcmp(ie + 2, ssid->ssid, ssid->ssid_len) == 0) || | |
298 | ssid->ssid_len == 0)) { | |
299 | curr = r; | |
300 | break; | |
301 | } | |
302 | } | |
303 | ||
304 | if (curr) { | |
305 | ie = wpa_scan_get_vendor_ie(curr, WPA_IE_VENDOR_TYPE); | |
306 | if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0)) | |
307 | ret = -1; | |
308 | ||
309 | ie = wpa_scan_get_ie(curr, WLAN_EID_RSN); | |
310 | if (wpa_sm_set_ap_rsn_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0)) | |
311 | ret = -1; | |
312 | } else { | |
313 | ret = -1; | |
314 | } | |
315 | ||
316 | return ret; | |
317 | } | |
318 | ||
319 | ||
320 | static int wpa_supplicant_get_beacon_ie(void *ctx) | |
321 | { | |
322 | struct wpa_supplicant *wpa_s = ctx; | |
323 | if (wpa_get_beacon_ie(wpa_s) == 0) { | |
324 | return 0; | |
325 | } | |
326 | ||
327 | /* No WPA/RSN IE found in the cached scan results. Try to get updated | |
328 | * scan results from the driver. */ | |
329 | if (wpa_supplicant_get_scan_results(wpa_s) < 0) { | |
330 | return -1; | |
331 | } | |
332 | ||
333 | return wpa_get_beacon_ie(wpa_s); | |
334 | } | |
335 | ||
336 | ||
337 | static u8 * _wpa_alloc_eapol(void *wpa_s, u8 type, | |
338 | const void *data, u16 data_len, | |
339 | size_t *msg_len, void **data_pos) | |
340 | { | |
341 | return wpa_alloc_eapol(wpa_s, type, data, data_len, msg_len, data_pos); | |
342 | } | |
343 | ||
344 | ||
345 | static int _wpa_ether_send(void *wpa_s, const u8 *dest, u16 proto, | |
346 | const u8 *buf, size_t len) | |
347 | { | |
348 | return wpa_ether_send(wpa_s, dest, proto, buf, len); | |
349 | } | |
350 | ||
351 | ||
6fc6879b JM |
352 | static void _wpa_supplicant_cancel_auth_timeout(void *wpa_s) |
353 | { | |
354 | wpa_supplicant_cancel_auth_timeout(wpa_s); | |
355 | } | |
356 | ||
357 | ||
358 | static void _wpa_supplicant_set_state(void *wpa_s, wpa_states state) | |
359 | { | |
360 | wpa_supplicant_set_state(wpa_s, state); | |
361 | } | |
362 | ||
363 | ||
364 | /** | |
365 | * wpa_supplicant_get_state - Get the connection state | |
366 | * @wpa_s: Pointer to wpa_supplicant data | |
367 | * Returns: The current connection state (WPA_*) | |
368 | */ | |
369 | static wpa_states wpa_supplicant_get_state(struct wpa_supplicant *wpa_s) | |
370 | { | |
371 | return wpa_s->wpa_state; | |
372 | } | |
373 | ||
374 | ||
375 | static wpa_states _wpa_supplicant_get_state(void *wpa_s) | |
376 | { | |
377 | return wpa_supplicant_get_state(wpa_s); | |
378 | } | |
379 | ||
380 | ||
381 | static void _wpa_supplicant_disassociate(void *wpa_s, int reason_code) | |
382 | { | |
383 | wpa_supplicant_disassociate(wpa_s, reason_code); | |
3e2ad1b9 JM |
384 | /* Schedule a scan to make sure we continue looking for networks */ |
385 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
6fc6879b JM |
386 | } |
387 | ||
388 | ||
389 | static void _wpa_supplicant_deauthenticate(void *wpa_s, int reason_code) | |
390 | { | |
391 | wpa_supplicant_deauthenticate(wpa_s, reason_code); | |
3e2ad1b9 JM |
392 | /* Schedule a scan to make sure we continue looking for networks */ |
393 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
6fc6879b JM |
394 | } |
395 | ||
396 | ||
397 | static void * wpa_supplicant_get_network_ctx(void *wpa_s) | |
398 | { | |
399 | return wpa_supplicant_get_ssid(wpa_s); | |
400 | } | |
401 | ||
402 | ||
403 | static int wpa_supplicant_get_bssid(void *ctx, u8 *bssid) | |
404 | { | |
405 | struct wpa_supplicant *wpa_s = ctx; | |
406 | if (wpa_s->use_client_mlme) { | |
407 | os_memcpy(bssid, wpa_s->bssid, ETH_ALEN); | |
408 | return 0; | |
409 | } | |
410 | return wpa_drv_get_bssid(wpa_s, bssid); | |
411 | } | |
412 | ||
413 | ||
414 | static int wpa_supplicant_set_key(void *wpa_s, wpa_alg alg, | |
415 | const u8 *addr, int key_idx, int set_tx, | |
416 | const u8 *seq, size_t seq_len, | |
417 | const u8 *key, size_t key_len) | |
418 | { | |
419 | return wpa_drv_set_key(wpa_s, alg, addr, key_idx, set_tx, seq, seq_len, | |
420 | key, key_len); | |
421 | } | |
422 | ||
423 | ||
424 | static int wpa_supplicant_mlme_setprotection(void *wpa_s, const u8 *addr, | |
425 | int protection_type, | |
426 | int key_type) | |
427 | { | |
428 | return wpa_drv_mlme_setprotection(wpa_s, addr, protection_type, | |
429 | key_type); | |
430 | } | |
431 | ||
432 | ||
433 | static int wpa_supplicant_add_pmkid(void *wpa_s, | |
434 | const u8 *bssid, const u8 *pmkid) | |
435 | { | |
436 | return wpa_drv_add_pmkid(wpa_s, bssid, pmkid); | |
437 | } | |
438 | ||
439 | ||
440 | static int wpa_supplicant_remove_pmkid(void *wpa_s, | |
441 | const u8 *bssid, const u8 *pmkid) | |
442 | { | |
443 | return wpa_drv_remove_pmkid(wpa_s, bssid, pmkid); | |
444 | } | |
445 | ||
446 | ||
447 | #ifdef CONFIG_IEEE80211R | |
448 | static int wpa_supplicant_update_ft_ies(void *ctx, const u8 *md, | |
449 | const u8 *ies, size_t ies_len) | |
450 | { | |
451 | struct wpa_supplicant *wpa_s = ctx; | |
452 | if (wpa_s->use_client_mlme) | |
453 | return ieee80211_sta_update_ft_ies(wpa_s, md, ies, ies_len); | |
454 | return wpa_drv_update_ft_ies(wpa_s, md, ies, ies_len); | |
455 | } | |
456 | ||
457 | ||
458 | static int wpa_supplicant_send_ft_action(void *ctx, u8 action, | |
459 | const u8 *target_ap, | |
460 | const u8 *ies, size_t ies_len) | |
461 | { | |
462 | struct wpa_supplicant *wpa_s = ctx; | |
463 | if (wpa_s->use_client_mlme) | |
464 | return ieee80211_sta_send_ft_action(wpa_s, action, target_ap, | |
465 | ies, ies_len); | |
466 | return wpa_drv_send_ft_action(wpa_s, action, target_ap, ies, ies_len); | |
467 | } | |
468 | #endif /* CONFIG_IEEE80211R */ | |
469 | ||
470 | #endif /* CONFIG_NO_WPA */ | |
471 | ||
472 | ||
473 | #if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG) | |
474 | static void wpa_supplicant_eap_param_needed(void *ctx, const char *field, | |
475 | const char *txt) | |
476 | { | |
477 | struct wpa_supplicant *wpa_s = ctx; | |
478 | struct wpa_ssid *ssid = wpa_s->current_ssid; | |
479 | char *buf; | |
480 | size_t buflen; | |
481 | int len; | |
482 | ||
483 | if (ssid == NULL) | |
484 | return; | |
485 | ||
486 | buflen = 100 + os_strlen(txt) + ssid->ssid_len; | |
487 | buf = os_malloc(buflen); | |
488 | if (buf == NULL) | |
489 | return; | |
490 | len = os_snprintf(buf, buflen, | |
491 | WPA_CTRL_REQ "%s-%d:%s needed for SSID ", | |
492 | field, ssid->id, txt); | |
493 | if (len < 0 || (size_t) len >= buflen) { | |
494 | os_free(buf); | |
495 | return; | |
496 | } | |
497 | if (ssid->ssid && buflen > len + ssid->ssid_len) { | |
498 | os_memcpy(buf + len, ssid->ssid, ssid->ssid_len); | |
499 | len += ssid->ssid_len; | |
500 | buf[len] = '\0'; | |
501 | } | |
502 | buf[buflen - 1] = '\0'; | |
503 | wpa_msg(wpa_s, MSG_INFO, "%s", buf); | |
504 | os_free(buf); | |
505 | } | |
506 | #else /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */ | |
507 | #define wpa_supplicant_eap_param_needed NULL | |
508 | #endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */ | |
509 | ||
510 | ||
511 | int wpa_supplicant_init_eapol(struct wpa_supplicant *wpa_s) | |
512 | { | |
513 | #ifdef IEEE8021X_EAPOL | |
514 | struct eapol_ctx *ctx; | |
515 | ctx = os_zalloc(sizeof(*ctx)); | |
516 | if (ctx == NULL) { | |
517 | wpa_printf(MSG_ERROR, "Failed to allocate EAPOL context."); | |
518 | return -1; | |
519 | } | |
520 | ||
521 | ctx->ctx = wpa_s; | |
522 | ctx->msg_ctx = wpa_s; | |
523 | ctx->eapol_send_ctx = wpa_s; | |
524 | ctx->preauth = 0; | |
525 | ctx->eapol_done_cb = wpa_supplicant_notify_eapol_done; | |
526 | ctx->eapol_send = wpa_supplicant_eapol_send; | |
527 | ctx->set_wep_key = wpa_eapol_set_wep_key; | |
528 | ctx->set_config_blob = wpa_supplicant_set_config_blob; | |
529 | ctx->get_config_blob = wpa_supplicant_get_config_blob; | |
530 | ctx->aborted_cached = wpa_supplicant_aborted_cached; | |
531 | #ifdef EAP_TLS_OPENSSL | |
532 | ctx->opensc_engine_path = wpa_s->conf->opensc_engine_path; | |
533 | ctx->pkcs11_engine_path = wpa_s->conf->pkcs11_engine_path; | |
534 | ctx->pkcs11_module_path = wpa_s->conf->pkcs11_module_path; | |
535 | #endif /* EAP_TLS_OPENSSL */ | |
536 | ctx->eap_param_needed = wpa_supplicant_eap_param_needed; | |
537 | ctx->cb = wpa_supplicant_eapol_cb; | |
538 | ctx->cb_ctx = wpa_s; | |
539 | wpa_s->eapol = eapol_sm_init(ctx); | |
540 | if (wpa_s->eapol == NULL) { | |
541 | os_free(ctx); | |
542 | wpa_printf(MSG_ERROR, "Failed to initialize EAPOL state " | |
543 | "machines."); | |
544 | return -1; | |
545 | } | |
546 | #endif /* IEEE8021X_EAPOL */ | |
547 | ||
548 | return 0; | |
549 | } | |
550 | ||
551 | ||
552 | int wpa_supplicant_init_wpa(struct wpa_supplicant *wpa_s) | |
553 | { | |
554 | #ifndef CONFIG_NO_WPA | |
555 | struct wpa_sm_ctx *ctx; | |
556 | ctx = os_zalloc(sizeof(*ctx)); | |
557 | if (ctx == NULL) { | |
558 | wpa_printf(MSG_ERROR, "Failed to allocate WPA context."); | |
559 | return -1; | |
560 | } | |
561 | ||
562 | ctx->ctx = wpa_s; | |
563 | ctx->set_state = _wpa_supplicant_set_state; | |
564 | ctx->get_state = _wpa_supplicant_get_state; | |
6fc6879b JM |
565 | ctx->deauthenticate = _wpa_supplicant_deauthenticate; |
566 | ctx->disassociate = _wpa_supplicant_disassociate; | |
567 | ctx->set_key = wpa_supplicant_set_key; | |
568 | ctx->get_network_ctx = wpa_supplicant_get_network_ctx; | |
569 | ctx->get_bssid = wpa_supplicant_get_bssid; | |
570 | ctx->ether_send = _wpa_ether_send; | |
571 | ctx->get_beacon_ie = wpa_supplicant_get_beacon_ie; | |
572 | ctx->alloc_eapol = _wpa_alloc_eapol; | |
573 | ctx->cancel_auth_timeout = _wpa_supplicant_cancel_auth_timeout; | |
574 | ctx->add_pmkid = wpa_supplicant_add_pmkid; | |
575 | ctx->remove_pmkid = wpa_supplicant_remove_pmkid; | |
576 | #ifndef CONFIG_NO_CONFIG_BLOBS | |
577 | ctx->set_config_blob = wpa_supplicant_set_config_blob; | |
578 | ctx->get_config_blob = wpa_supplicant_get_config_blob; | |
579 | #endif /* CONFIG_NO_CONFIG_BLOBS */ | |
580 | ctx->mlme_setprotection = wpa_supplicant_mlme_setprotection; | |
581 | #ifdef CONFIG_IEEE80211R | |
582 | ctx->update_ft_ies = wpa_supplicant_update_ft_ies; | |
583 | ctx->send_ft_action = wpa_supplicant_send_ft_action; | |
584 | #endif /* CONFIG_IEEE80211R */ | |
585 | ||
586 | wpa_s->wpa = wpa_sm_init(ctx); | |
587 | if (wpa_s->wpa == NULL) { | |
588 | wpa_printf(MSG_ERROR, "Failed to initialize WPA state " | |
589 | "machine"); | |
590 | return -1; | |
591 | } | |
592 | #endif /* CONFIG_NO_WPA */ | |
593 | ||
594 | return 0; | |
595 | } | |
596 | ||
597 | ||
598 | void wpa_supplicant_rsn_supp_set_config(struct wpa_supplicant *wpa_s, | |
599 | struct wpa_ssid *ssid) | |
600 | { | |
601 | struct rsn_supp_config conf; | |
602 | if (ssid) { | |
603 | os_memset(&conf, 0, sizeof(conf)); | |
886a807f | 604 | conf.network_ctx = ssid; |
6fc6879b JM |
605 | conf.peerkey_enabled = ssid->peerkey; |
606 | conf.allowed_pairwise_cipher = ssid->pairwise_cipher; | |
a6a89fea | 607 | #ifdef IEEE8021X_EAPOL |
6fc6879b JM |
608 | conf.eap_workaround = ssid->eap_workaround; |
609 | conf.eap_conf_ctx = &ssid->eap; | |
a6a89fea | 610 | #endif /* IEEE8021X_EAPOL */ |
6fc6879b JM |
611 | conf.ssid = ssid->ssid; |
612 | conf.ssid_len = ssid->ssid_len; | |
613 | } | |
614 | wpa_sm_set_config(wpa_s->wpa, ssid ? &conf : NULL); | |
615 | } |