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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); | |
c08b9180 JM |
39 | if (wpa_s->conf->update_config) { |
40 | int ret = wpa_config_write(wpa_s->confname, wpa_s->conf); | |
41 | if (ret) { | |
42 | wpa_printf(MSG_DEBUG, "Failed to update config after " | |
43 | "blob set"); | |
44 | } | |
45 | } | |
6fc6879b JM |
46 | } |
47 | ||
48 | ||
49 | static const struct wpa_config_blob * | |
50 | wpa_supplicant_get_config_blob(void *ctx, const char *name) | |
51 | { | |
52 | struct wpa_supplicant *wpa_s = ctx; | |
53 | return wpa_config_get_blob(wpa_s->conf, name); | |
54 | } | |
55 | #endif /* defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA) */ | |
56 | #endif /* CONFIG_NO_CONFIG_BLOBS */ | |
57 | ||
58 | ||
59 | #if defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA) | |
60 | static u8 * wpa_alloc_eapol(const struct wpa_supplicant *wpa_s, u8 type, | |
61 | const void *data, u16 data_len, | |
62 | size_t *msg_len, void **data_pos) | |
63 | { | |
64 | struct ieee802_1x_hdr *hdr; | |
65 | ||
66 | *msg_len = sizeof(*hdr) + data_len; | |
67 | hdr = os_malloc(*msg_len); | |
68 | if (hdr == NULL) | |
69 | return NULL; | |
70 | ||
71 | hdr->version = wpa_s->conf->eapol_version; | |
72 | hdr->type = type; | |
73 | hdr->length = host_to_be16(data_len); | |
74 | ||
75 | if (data) | |
76 | os_memcpy(hdr + 1, data, data_len); | |
77 | else | |
78 | os_memset(hdr + 1, 0, data_len); | |
79 | ||
80 | if (data_pos) | |
81 | *data_pos = hdr + 1; | |
82 | ||
83 | return (u8 *) hdr; | |
84 | } | |
85 | ||
86 | ||
87 | /** | |
88 | * wpa_ether_send - Send Ethernet frame | |
89 | * @wpa_s: Pointer to wpa_supplicant data | |
90 | * @dest: Destination MAC address | |
91 | * @proto: Ethertype in host byte order | |
92 | * @buf: Frame payload starting from IEEE 802.1X header | |
93 | * @len: Frame payload length | |
94 | * Returns: >=0 on success, <0 on failure | |
95 | */ | |
96 | static int wpa_ether_send(struct wpa_supplicant *wpa_s, const u8 *dest, | |
97 | u16 proto, const u8 *buf, size_t len) | |
98 | { | |
99 | if (wpa_s->l2) { | |
100 | return l2_packet_send(wpa_s->l2, dest, proto, buf, len); | |
101 | } | |
102 | ||
103 | return wpa_drv_send_eapol(wpa_s, dest, proto, buf, len); | |
104 | } | |
105 | #endif /* IEEE8021X_EAPOL || !CONFIG_NO_WPA */ | |
106 | ||
107 | ||
108 | #ifdef IEEE8021X_EAPOL | |
109 | ||
110 | /** | |
111 | * wpa_supplicant_eapol_send - Send IEEE 802.1X EAPOL packet to Authenticator | |
112 | * @ctx: Pointer to wpa_supplicant data (wpa_s) | |
113 | * @type: IEEE 802.1X packet type (IEEE802_1X_TYPE_*) | |
114 | * @buf: EAPOL payload (after IEEE 802.1X header) | |
115 | * @len: EAPOL payload length | |
116 | * Returns: >=0 on success, <0 on failure | |
117 | * | |
118 | * This function adds Ethernet and IEEE 802.1X header and sends the EAPOL frame | |
119 | * to the current Authenticator. | |
120 | */ | |
121 | static int wpa_supplicant_eapol_send(void *ctx, int type, const u8 *buf, | |
122 | size_t len) | |
123 | { | |
124 | struct wpa_supplicant *wpa_s = ctx; | |
125 | u8 *msg, *dst, bssid[ETH_ALEN]; | |
126 | size_t msglen; | |
127 | int res; | |
128 | ||
129 | /* TODO: could add l2_packet_sendmsg that allows fragments to avoid | |
130 | * extra copy here */ | |
131 | ||
56586197 | 132 | if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) || |
6fc6879b JM |
133 | wpa_s->key_mgmt == WPA_KEY_MGMT_NONE) { |
134 | /* Current SSID is not using IEEE 802.1X/EAP, so drop possible | |
135 | * EAPOL frames (mainly, EAPOL-Start) from EAPOL state | |
136 | * machines. */ | |
137 | wpa_printf(MSG_DEBUG, "WPA: drop TX EAPOL in non-IEEE 802.1X " | |
138 | "mode (type=%d len=%lu)", type, | |
139 | (unsigned long) len); | |
140 | return -1; | |
141 | } | |
142 | ||
143 | if (pmksa_cache_get_current(wpa_s->wpa) && | |
144 | type == IEEE802_1X_TYPE_EAPOL_START) { | |
145 | /* Trying to use PMKSA caching - do not send EAPOL-Start frames | |
146 | * since they will trigger full EAPOL authentication. */ | |
147 | wpa_printf(MSG_DEBUG, "RSN: PMKSA caching - do not send " | |
148 | "EAPOL-Start"); | |
149 | return -1; | |
150 | } | |
151 | ||
a8e16edc | 152 | if (is_zero_ether_addr(wpa_s->bssid)) { |
6fc6879b JM |
153 | wpa_printf(MSG_DEBUG, "BSSID not set when trying to send an " |
154 | "EAPOL frame"); | |
155 | if (wpa_drv_get_bssid(wpa_s, bssid) == 0 && | |
a8e16edc | 156 | !is_zero_ether_addr(bssid)) { |
6fc6879b JM |
157 | dst = bssid; |
158 | wpa_printf(MSG_DEBUG, "Using current BSSID " MACSTR | |
159 | " from the driver as the EAPOL destination", | |
160 | MAC2STR(dst)); | |
161 | } else { | |
162 | dst = wpa_s->last_eapol_src; | |
163 | wpa_printf(MSG_DEBUG, "Using the source address of the" | |
164 | " last received EAPOL frame " MACSTR " as " | |
165 | "the EAPOL destination", | |
166 | MAC2STR(dst)); | |
167 | } | |
168 | } else { | |
169 | /* BSSID was already set (from (Re)Assoc event, so use it as | |
170 | * the EAPOL destination. */ | |
171 | dst = wpa_s->bssid; | |
172 | } | |
173 | ||
174 | msg = wpa_alloc_eapol(wpa_s, type, buf, len, &msglen, NULL); | |
175 | if (msg == NULL) | |
176 | return -1; | |
177 | ||
178 | wpa_printf(MSG_DEBUG, "TX EAPOL: dst=" MACSTR, MAC2STR(dst)); | |
179 | wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", msg, msglen); | |
180 | res = wpa_ether_send(wpa_s, dst, ETH_P_EAPOL, msg, msglen); | |
181 | os_free(msg); | |
182 | return res; | |
183 | } | |
184 | ||
185 | ||
186 | /** | |
187 | * wpa_eapol_set_wep_key - set WEP key for the driver | |
188 | * @ctx: Pointer to wpa_supplicant data (wpa_s) | |
189 | * @unicast: 1 = individual unicast key, 0 = broadcast key | |
190 | * @keyidx: WEP key index (0..3) | |
191 | * @key: Pointer to key data | |
192 | * @keylen: Key length in bytes | |
193 | * Returns: 0 on success or < 0 on error. | |
194 | */ | |
195 | static int wpa_eapol_set_wep_key(void *ctx, int unicast, int keyidx, | |
196 | const u8 *key, size_t keylen) | |
197 | { | |
198 | struct wpa_supplicant *wpa_s = ctx; | |
199 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) { | |
200 | int cipher = (keylen == 5) ? WPA_CIPHER_WEP40 : | |
201 | WPA_CIPHER_WEP104; | |
202 | if (unicast) | |
203 | wpa_s->pairwise_cipher = cipher; | |
204 | else | |
205 | wpa_s->group_cipher = cipher; | |
206 | } | |
207 | return wpa_drv_set_key(wpa_s, WPA_ALG_WEP, | |
208 | unicast ? wpa_s->bssid : | |
209 | (u8 *) "\xff\xff\xff\xff\xff\xff", | |
210 | keyidx, unicast, (u8 *) "", 0, key, keylen); | |
211 | } | |
212 | ||
213 | ||
214 | static void wpa_supplicant_aborted_cached(void *ctx) | |
215 | { | |
216 | struct wpa_supplicant *wpa_s = ctx; | |
217 | wpa_sm_aborted_cached(wpa_s->wpa); | |
218 | } | |
219 | ||
220 | ||
221 | static void wpa_supplicant_eapol_cb(struct eapol_sm *eapol, int success, | |
222 | void *ctx) | |
223 | { | |
224 | struct wpa_supplicant *wpa_s = ctx; | |
225 | int res, pmk_len; | |
226 | u8 pmk[PMK_LEN]; | |
227 | ||
228 | wpa_printf(MSG_DEBUG, "EAPOL authentication completed %ssuccessfully", | |
229 | success ? "" : "un"); | |
230 | ||
231 | if (!success || !wpa_s->driver_4way_handshake) | |
232 | return; | |
233 | ||
56586197 | 234 | if (!wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) |
6fc6879b JM |
235 | return; |
236 | ||
237 | wpa_printf(MSG_DEBUG, "Configure PMK for driver-based RSN 4-way " | |
238 | "handshake"); | |
239 | ||
240 | pmk_len = PMK_LEN; | |
241 | res = eapol_sm_get_key(eapol, pmk, PMK_LEN); | |
242 | if (res) { | |
243 | /* | |
244 | * EAP-LEAP is an exception from other EAP methods: it | |
245 | * uses only 16-byte PMK. | |
246 | */ | |
247 | res = eapol_sm_get_key(eapol, pmk, 16); | |
248 | pmk_len = 16; | |
249 | } | |
250 | ||
251 | if (res) { | |
252 | wpa_printf(MSG_DEBUG, "Failed to get PMK from EAPOL state " | |
253 | "machines"); | |
254 | return; | |
255 | } | |
256 | ||
257 | if (wpa_drv_set_key(wpa_s, WPA_ALG_PMK, NULL, 0, 0, NULL, 0, pmk, | |
258 | pmk_len)) { | |
259 | wpa_printf(MSG_DEBUG, "Failed to set PMK to the driver"); | |
260 | } | |
261 | ||
262 | wpa_supplicant_cancel_scan(wpa_s); | |
263 | wpa_supplicant_cancel_auth_timeout(wpa_s); | |
264 | wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); | |
265 | ||
266 | } | |
267 | ||
268 | ||
269 | static void wpa_supplicant_notify_eapol_done(void *ctx) | |
270 | { | |
271 | struct wpa_supplicant *wpa_s = ctx; | |
272 | wpa_msg(wpa_s, MSG_DEBUG, "WPA: EAPOL processing complete"); | |
56586197 | 273 | if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) { |
6fc6879b JM |
274 | wpa_supplicant_set_state(wpa_s, WPA_4WAY_HANDSHAKE); |
275 | } else { | |
6fc6879b JM |
276 | wpa_supplicant_cancel_auth_timeout(wpa_s); |
277 | wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); | |
278 | } | |
279 | } | |
280 | ||
281 | #endif /* IEEE8021X_EAPOL */ | |
282 | ||
283 | ||
284 | #ifndef CONFIG_NO_WPA | |
285 | ||
286 | static int wpa_get_beacon_ie(struct wpa_supplicant *wpa_s) | |
287 | { | |
288 | size_t i; | |
289 | int ret = 0; | |
290 | struct wpa_scan_res *curr = NULL; | |
291 | struct wpa_ssid *ssid = wpa_s->current_ssid; | |
292 | const u8 *ie; | |
293 | ||
294 | if (wpa_s->scan_res == NULL) | |
295 | return -1; | |
296 | ||
297 | for (i = 0; i < wpa_s->scan_res->num; i++) { | |
298 | struct wpa_scan_res *r = wpa_s->scan_res->res[i]; | |
299 | if (os_memcmp(r->bssid, wpa_s->bssid, ETH_ALEN) != 0) | |
300 | continue; | |
301 | ie = wpa_scan_get_ie(r, WLAN_EID_SSID); | |
302 | if (ssid == NULL || | |
303 | ((ie && ie[1] == ssid->ssid_len && | |
304 | os_memcmp(ie + 2, ssid->ssid, ssid->ssid_len) == 0) || | |
305 | ssid->ssid_len == 0)) { | |
306 | curr = r; | |
307 | break; | |
308 | } | |
309 | } | |
310 | ||
311 | if (curr) { | |
312 | ie = wpa_scan_get_vendor_ie(curr, WPA_IE_VENDOR_TYPE); | |
313 | if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0)) | |
314 | ret = -1; | |
315 | ||
316 | ie = wpa_scan_get_ie(curr, WLAN_EID_RSN); | |
317 | if (wpa_sm_set_ap_rsn_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0)) | |
318 | ret = -1; | |
319 | } else { | |
320 | ret = -1; | |
321 | } | |
322 | ||
323 | return ret; | |
324 | } | |
325 | ||
326 | ||
327 | static int wpa_supplicant_get_beacon_ie(void *ctx) | |
328 | { | |
329 | struct wpa_supplicant *wpa_s = ctx; | |
330 | if (wpa_get_beacon_ie(wpa_s) == 0) { | |
331 | return 0; | |
332 | } | |
333 | ||
334 | /* No WPA/RSN IE found in the cached scan results. Try to get updated | |
335 | * scan results from the driver. */ | |
336 | if (wpa_supplicant_get_scan_results(wpa_s) < 0) { | |
337 | return -1; | |
338 | } | |
339 | ||
340 | return wpa_get_beacon_ie(wpa_s); | |
341 | } | |
342 | ||
343 | ||
344 | static u8 * _wpa_alloc_eapol(void *wpa_s, u8 type, | |
345 | const void *data, u16 data_len, | |
346 | size_t *msg_len, void **data_pos) | |
347 | { | |
348 | return wpa_alloc_eapol(wpa_s, type, data, data_len, msg_len, data_pos); | |
349 | } | |
350 | ||
351 | ||
352 | static int _wpa_ether_send(void *wpa_s, const u8 *dest, u16 proto, | |
353 | const u8 *buf, size_t len) | |
354 | { | |
355 | return wpa_ether_send(wpa_s, dest, proto, buf, len); | |
356 | } | |
357 | ||
358 | ||
6fc6879b JM |
359 | static void _wpa_supplicant_cancel_auth_timeout(void *wpa_s) |
360 | { | |
361 | wpa_supplicant_cancel_auth_timeout(wpa_s); | |
362 | } | |
363 | ||
364 | ||
365 | static void _wpa_supplicant_set_state(void *wpa_s, wpa_states state) | |
366 | { | |
367 | wpa_supplicant_set_state(wpa_s, state); | |
368 | } | |
369 | ||
370 | ||
371 | /** | |
372 | * wpa_supplicant_get_state - Get the connection state | |
373 | * @wpa_s: Pointer to wpa_supplicant data | |
374 | * Returns: The current connection state (WPA_*) | |
375 | */ | |
376 | static wpa_states wpa_supplicant_get_state(struct wpa_supplicant *wpa_s) | |
377 | { | |
378 | return wpa_s->wpa_state; | |
379 | } | |
380 | ||
381 | ||
382 | static wpa_states _wpa_supplicant_get_state(void *wpa_s) | |
383 | { | |
384 | return wpa_supplicant_get_state(wpa_s); | |
385 | } | |
386 | ||
387 | ||
388 | static void _wpa_supplicant_disassociate(void *wpa_s, int reason_code) | |
389 | { | |
390 | wpa_supplicant_disassociate(wpa_s, reason_code); | |
3e2ad1b9 JM |
391 | /* Schedule a scan to make sure we continue looking for networks */ |
392 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
6fc6879b JM |
393 | } |
394 | ||
395 | ||
396 | static void _wpa_supplicant_deauthenticate(void *wpa_s, int reason_code) | |
397 | { | |
398 | wpa_supplicant_deauthenticate(wpa_s, reason_code); | |
3e2ad1b9 JM |
399 | /* Schedule a scan to make sure we continue looking for networks */ |
400 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
6fc6879b JM |
401 | } |
402 | ||
403 | ||
404 | static void * wpa_supplicant_get_network_ctx(void *wpa_s) | |
405 | { | |
406 | return wpa_supplicant_get_ssid(wpa_s); | |
407 | } | |
408 | ||
409 | ||
410 | static int wpa_supplicant_get_bssid(void *ctx, u8 *bssid) | |
411 | { | |
412 | struct wpa_supplicant *wpa_s = ctx; | |
413 | if (wpa_s->use_client_mlme) { | |
414 | os_memcpy(bssid, wpa_s->bssid, ETH_ALEN); | |
415 | return 0; | |
416 | } | |
417 | return wpa_drv_get_bssid(wpa_s, bssid); | |
418 | } | |
419 | ||
420 | ||
421 | static int wpa_supplicant_set_key(void *wpa_s, wpa_alg alg, | |
422 | const u8 *addr, int key_idx, int set_tx, | |
423 | const u8 *seq, size_t seq_len, | |
424 | const u8 *key, size_t key_len) | |
425 | { | |
426 | return wpa_drv_set_key(wpa_s, alg, addr, key_idx, set_tx, seq, seq_len, | |
427 | key, key_len); | |
428 | } | |
429 | ||
430 | ||
431 | static int wpa_supplicant_mlme_setprotection(void *wpa_s, const u8 *addr, | |
432 | int protection_type, | |
433 | int key_type) | |
434 | { | |
435 | return wpa_drv_mlme_setprotection(wpa_s, addr, protection_type, | |
436 | key_type); | |
437 | } | |
438 | ||
439 | ||
440 | static int wpa_supplicant_add_pmkid(void *wpa_s, | |
441 | const u8 *bssid, const u8 *pmkid) | |
442 | { | |
443 | return wpa_drv_add_pmkid(wpa_s, bssid, pmkid); | |
444 | } | |
445 | ||
446 | ||
447 | static int wpa_supplicant_remove_pmkid(void *wpa_s, | |
448 | const u8 *bssid, const u8 *pmkid) | |
449 | { | |
450 | return wpa_drv_remove_pmkid(wpa_s, bssid, pmkid); | |
451 | } | |
452 | ||
453 | ||
454 | #ifdef CONFIG_IEEE80211R | |
455 | static int wpa_supplicant_update_ft_ies(void *ctx, const u8 *md, | |
456 | const u8 *ies, size_t ies_len) | |
457 | { | |
458 | struct wpa_supplicant *wpa_s = ctx; | |
459 | if (wpa_s->use_client_mlme) | |
460 | return ieee80211_sta_update_ft_ies(wpa_s, md, ies, ies_len); | |
461 | return wpa_drv_update_ft_ies(wpa_s, md, ies, ies_len); | |
462 | } | |
463 | ||
464 | ||
465 | static int wpa_supplicant_send_ft_action(void *ctx, u8 action, | |
466 | const u8 *target_ap, | |
467 | const u8 *ies, size_t ies_len) | |
468 | { | |
469 | struct wpa_supplicant *wpa_s = ctx; | |
470 | if (wpa_s->use_client_mlme) | |
471 | return ieee80211_sta_send_ft_action(wpa_s, action, target_ap, | |
472 | ies, ies_len); | |
473 | return wpa_drv_send_ft_action(wpa_s, action, target_ap, ies, ies_len); | |
474 | } | |
475 | #endif /* CONFIG_IEEE80211R */ | |
476 | ||
477 | #endif /* CONFIG_NO_WPA */ | |
478 | ||
479 | ||
480 | #if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG) | |
481 | static void wpa_supplicant_eap_param_needed(void *ctx, const char *field, | |
482 | const char *txt) | |
483 | { | |
484 | struct wpa_supplicant *wpa_s = ctx; | |
485 | struct wpa_ssid *ssid = wpa_s->current_ssid; | |
486 | char *buf; | |
487 | size_t buflen; | |
488 | int len; | |
489 | ||
490 | if (ssid == NULL) | |
491 | return; | |
492 | ||
493 | buflen = 100 + os_strlen(txt) + ssid->ssid_len; | |
494 | buf = os_malloc(buflen); | |
495 | if (buf == NULL) | |
496 | return; | |
497 | len = os_snprintf(buf, buflen, | |
498 | WPA_CTRL_REQ "%s-%d:%s needed for SSID ", | |
499 | field, ssid->id, txt); | |
500 | if (len < 0 || (size_t) len >= buflen) { | |
501 | os_free(buf); | |
502 | return; | |
503 | } | |
504 | if (ssid->ssid && buflen > len + ssid->ssid_len) { | |
505 | os_memcpy(buf + len, ssid->ssid, ssid->ssid_len); | |
506 | len += ssid->ssid_len; | |
507 | buf[len] = '\0'; | |
508 | } | |
509 | buf[buflen - 1] = '\0'; | |
510 | wpa_msg(wpa_s, MSG_INFO, "%s", buf); | |
511 | os_free(buf); | |
512 | } | |
513 | #else /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */ | |
514 | #define wpa_supplicant_eap_param_needed NULL | |
515 | #endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */ | |
516 | ||
517 | ||
518 | int wpa_supplicant_init_eapol(struct wpa_supplicant *wpa_s) | |
519 | { | |
520 | #ifdef IEEE8021X_EAPOL | |
521 | struct eapol_ctx *ctx; | |
522 | ctx = os_zalloc(sizeof(*ctx)); | |
523 | if (ctx == NULL) { | |
524 | wpa_printf(MSG_ERROR, "Failed to allocate EAPOL context."); | |
525 | return -1; | |
526 | } | |
527 | ||
528 | ctx->ctx = wpa_s; | |
529 | ctx->msg_ctx = wpa_s; | |
530 | ctx->eapol_send_ctx = wpa_s; | |
531 | ctx->preauth = 0; | |
532 | ctx->eapol_done_cb = wpa_supplicant_notify_eapol_done; | |
533 | ctx->eapol_send = wpa_supplicant_eapol_send; | |
534 | ctx->set_wep_key = wpa_eapol_set_wep_key; | |
535 | ctx->set_config_blob = wpa_supplicant_set_config_blob; | |
536 | ctx->get_config_blob = wpa_supplicant_get_config_blob; | |
537 | ctx->aborted_cached = wpa_supplicant_aborted_cached; | |
538 | #ifdef EAP_TLS_OPENSSL | |
539 | ctx->opensc_engine_path = wpa_s->conf->opensc_engine_path; | |
540 | ctx->pkcs11_engine_path = wpa_s->conf->pkcs11_engine_path; | |
541 | ctx->pkcs11_module_path = wpa_s->conf->pkcs11_module_path; | |
542 | #endif /* EAP_TLS_OPENSSL */ | |
543 | ctx->eap_param_needed = wpa_supplicant_eap_param_needed; | |
544 | ctx->cb = wpa_supplicant_eapol_cb; | |
545 | ctx->cb_ctx = wpa_s; | |
546 | wpa_s->eapol = eapol_sm_init(ctx); | |
547 | if (wpa_s->eapol == NULL) { | |
548 | os_free(ctx); | |
549 | wpa_printf(MSG_ERROR, "Failed to initialize EAPOL state " | |
550 | "machines."); | |
551 | return -1; | |
552 | } | |
553 | #endif /* IEEE8021X_EAPOL */ | |
554 | ||
555 | return 0; | |
556 | } | |
557 | ||
558 | ||
559 | int wpa_supplicant_init_wpa(struct wpa_supplicant *wpa_s) | |
560 | { | |
561 | #ifndef CONFIG_NO_WPA | |
562 | struct wpa_sm_ctx *ctx; | |
563 | ctx = os_zalloc(sizeof(*ctx)); | |
564 | if (ctx == NULL) { | |
565 | wpa_printf(MSG_ERROR, "Failed to allocate WPA context."); | |
566 | return -1; | |
567 | } | |
568 | ||
569 | ctx->ctx = wpa_s; | |
570 | ctx->set_state = _wpa_supplicant_set_state; | |
571 | ctx->get_state = _wpa_supplicant_get_state; | |
6fc6879b JM |
572 | ctx->deauthenticate = _wpa_supplicant_deauthenticate; |
573 | ctx->disassociate = _wpa_supplicant_disassociate; | |
574 | ctx->set_key = wpa_supplicant_set_key; | |
575 | ctx->get_network_ctx = wpa_supplicant_get_network_ctx; | |
576 | ctx->get_bssid = wpa_supplicant_get_bssid; | |
577 | ctx->ether_send = _wpa_ether_send; | |
578 | ctx->get_beacon_ie = wpa_supplicant_get_beacon_ie; | |
579 | ctx->alloc_eapol = _wpa_alloc_eapol; | |
580 | ctx->cancel_auth_timeout = _wpa_supplicant_cancel_auth_timeout; | |
581 | ctx->add_pmkid = wpa_supplicant_add_pmkid; | |
582 | ctx->remove_pmkid = wpa_supplicant_remove_pmkid; | |
583 | #ifndef CONFIG_NO_CONFIG_BLOBS | |
584 | ctx->set_config_blob = wpa_supplicant_set_config_blob; | |
585 | ctx->get_config_blob = wpa_supplicant_get_config_blob; | |
586 | #endif /* CONFIG_NO_CONFIG_BLOBS */ | |
587 | ctx->mlme_setprotection = wpa_supplicant_mlme_setprotection; | |
588 | #ifdef CONFIG_IEEE80211R | |
589 | ctx->update_ft_ies = wpa_supplicant_update_ft_ies; | |
590 | ctx->send_ft_action = wpa_supplicant_send_ft_action; | |
591 | #endif /* CONFIG_IEEE80211R */ | |
592 | ||
593 | wpa_s->wpa = wpa_sm_init(ctx); | |
594 | if (wpa_s->wpa == NULL) { | |
595 | wpa_printf(MSG_ERROR, "Failed to initialize WPA state " | |
596 | "machine"); | |
597 | return -1; | |
598 | } | |
599 | #endif /* CONFIG_NO_WPA */ | |
600 | ||
601 | return 0; | |
602 | } | |
603 | ||
604 | ||
605 | void wpa_supplicant_rsn_supp_set_config(struct wpa_supplicant *wpa_s, | |
606 | struct wpa_ssid *ssid) | |
607 | { | |
608 | struct rsn_supp_config conf; | |
609 | if (ssid) { | |
610 | os_memset(&conf, 0, sizeof(conf)); | |
886a807f | 611 | conf.network_ctx = ssid; |
6fc6879b JM |
612 | conf.peerkey_enabled = ssid->peerkey; |
613 | conf.allowed_pairwise_cipher = ssid->pairwise_cipher; | |
a6a89fea | 614 | #ifdef IEEE8021X_EAPOL |
6fc6879b JM |
615 | conf.eap_workaround = ssid->eap_workaround; |
616 | conf.eap_conf_ctx = &ssid->eap; | |
a6a89fea | 617 | #endif /* IEEE8021X_EAPOL */ |
6fc6879b JM |
618 | conf.ssid = ssid->ssid; |
619 | conf.ssid_len = ssid->ssid_len; | |
620 | } | |
621 | wpa_sm_set_config(wpa_s->wpa, ssid ? &conf : NULL); | |
622 | } |