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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" | |
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" |
6fc6879b | 27 | #include "mlme.h" |
c2a04078 | 28 | #include "sme.h" |
90973fb2 JM |
29 | #include "common/ieee802_11_defs.h" |
30 | #include "common/wpa_ctrl.h" | |
6fc6879b | 31 | #include "wpas_glue.h" |
fa201b69 | 32 | #include "wps_supplicant.h" |
e48f0fb6 | 33 | #include "bss.h" |
6fc6879b JM |
34 | |
35 | ||
36 | #ifndef CONFIG_NO_CONFIG_BLOBS | |
37 | #if defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA) | |
38 | static void wpa_supplicant_set_config_blob(void *ctx, | |
39 | struct wpa_config_blob *blob) | |
40 | { | |
41 | struct wpa_supplicant *wpa_s = ctx; | |
42 | wpa_config_set_blob(wpa_s->conf, blob); | |
c08b9180 JM |
43 | if (wpa_s->conf->update_config) { |
44 | int ret = wpa_config_write(wpa_s->confname, wpa_s->conf); | |
45 | if (ret) { | |
46 | wpa_printf(MSG_DEBUG, "Failed to update config after " | |
47 | "blob set"); | |
48 | } | |
49 | } | |
6fc6879b JM |
50 | } |
51 | ||
52 | ||
53 | static const struct wpa_config_blob * | |
54 | wpa_supplicant_get_config_blob(void *ctx, const char *name) | |
55 | { | |
56 | struct wpa_supplicant *wpa_s = ctx; | |
57 | return wpa_config_get_blob(wpa_s->conf, name); | |
58 | } | |
59 | #endif /* defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA) */ | |
60 | #endif /* CONFIG_NO_CONFIG_BLOBS */ | |
61 | ||
62 | ||
63 | #if defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA) | |
64 | static u8 * wpa_alloc_eapol(const struct wpa_supplicant *wpa_s, u8 type, | |
65 | const void *data, u16 data_len, | |
66 | size_t *msg_len, void **data_pos) | |
67 | { | |
68 | struct ieee802_1x_hdr *hdr; | |
69 | ||
70 | *msg_len = sizeof(*hdr) + data_len; | |
71 | hdr = os_malloc(*msg_len); | |
72 | if (hdr == NULL) | |
73 | return NULL; | |
74 | ||
75 | hdr->version = wpa_s->conf->eapol_version; | |
76 | hdr->type = type; | |
77 | hdr->length = host_to_be16(data_len); | |
78 | ||
79 | if (data) | |
80 | os_memcpy(hdr + 1, data, data_len); | |
81 | else | |
82 | os_memset(hdr + 1, 0, data_len); | |
83 | ||
84 | if (data_pos) | |
85 | *data_pos = hdr + 1; | |
86 | ||
87 | return (u8 *) hdr; | |
88 | } | |
89 | ||
90 | ||
91 | /** | |
92 | * wpa_ether_send - Send Ethernet frame | |
93 | * @wpa_s: Pointer to wpa_supplicant data | |
94 | * @dest: Destination MAC address | |
95 | * @proto: Ethertype in host byte order | |
96 | * @buf: Frame payload starting from IEEE 802.1X header | |
97 | * @len: Frame payload length | |
98 | * Returns: >=0 on success, <0 on failure | |
99 | */ | |
100 | static int wpa_ether_send(struct wpa_supplicant *wpa_s, const u8 *dest, | |
101 | u16 proto, const u8 *buf, size_t len) | |
102 | { | |
103 | if (wpa_s->l2) { | |
104 | return l2_packet_send(wpa_s->l2, dest, proto, buf, len); | |
105 | } | |
106 | ||
107 | return wpa_drv_send_eapol(wpa_s, dest, proto, buf, len); | |
108 | } | |
109 | #endif /* IEEE8021X_EAPOL || !CONFIG_NO_WPA */ | |
110 | ||
111 | ||
112 | #ifdef IEEE8021X_EAPOL | |
113 | ||
114 | /** | |
115 | * wpa_supplicant_eapol_send - Send IEEE 802.1X EAPOL packet to Authenticator | |
116 | * @ctx: Pointer to wpa_supplicant data (wpa_s) | |
117 | * @type: IEEE 802.1X packet type (IEEE802_1X_TYPE_*) | |
118 | * @buf: EAPOL payload (after IEEE 802.1X header) | |
119 | * @len: EAPOL payload length | |
120 | * Returns: >=0 on success, <0 on failure | |
121 | * | |
122 | * This function adds Ethernet and IEEE 802.1X header and sends the EAPOL frame | |
123 | * to the current Authenticator. | |
124 | */ | |
125 | static int wpa_supplicant_eapol_send(void *ctx, int type, const u8 *buf, | |
126 | size_t len) | |
127 | { | |
128 | struct wpa_supplicant *wpa_s = ctx; | |
129 | u8 *msg, *dst, bssid[ETH_ALEN]; | |
130 | size_t msglen; | |
131 | int res; | |
132 | ||
133 | /* TODO: could add l2_packet_sendmsg that allows fragments to avoid | |
134 | * extra copy here */ | |
135 | ||
56586197 | 136 | if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) || |
6fc6879b JM |
137 | wpa_s->key_mgmt == WPA_KEY_MGMT_NONE) { |
138 | /* Current SSID is not using IEEE 802.1X/EAP, so drop possible | |
139 | * EAPOL frames (mainly, EAPOL-Start) from EAPOL state | |
140 | * machines. */ | |
141 | wpa_printf(MSG_DEBUG, "WPA: drop TX EAPOL in non-IEEE 802.1X " | |
142 | "mode (type=%d len=%lu)", type, | |
143 | (unsigned long) len); | |
144 | return -1; | |
145 | } | |
146 | ||
147 | if (pmksa_cache_get_current(wpa_s->wpa) && | |
148 | type == IEEE802_1X_TYPE_EAPOL_START) { | |
149 | /* Trying to use PMKSA caching - do not send EAPOL-Start frames | |
150 | * since they will trigger full EAPOL authentication. */ | |
151 | wpa_printf(MSG_DEBUG, "RSN: PMKSA caching - do not send " | |
152 | "EAPOL-Start"); | |
153 | return -1; | |
154 | } | |
155 | ||
a8e16edc | 156 | if (is_zero_ether_addr(wpa_s->bssid)) { |
6fc6879b JM |
157 | wpa_printf(MSG_DEBUG, "BSSID not set when trying to send an " |
158 | "EAPOL frame"); | |
159 | if (wpa_drv_get_bssid(wpa_s, bssid) == 0 && | |
a8e16edc | 160 | !is_zero_ether_addr(bssid)) { |
6fc6879b JM |
161 | dst = bssid; |
162 | wpa_printf(MSG_DEBUG, "Using current BSSID " MACSTR | |
163 | " from the driver as the EAPOL destination", | |
164 | MAC2STR(dst)); | |
165 | } else { | |
166 | dst = wpa_s->last_eapol_src; | |
167 | wpa_printf(MSG_DEBUG, "Using the source address of the" | |
168 | " last received EAPOL frame " MACSTR " as " | |
169 | "the EAPOL destination", | |
170 | MAC2STR(dst)); | |
171 | } | |
172 | } else { | |
173 | /* BSSID was already set (from (Re)Assoc event, so use it as | |
174 | * the EAPOL destination. */ | |
175 | dst = wpa_s->bssid; | |
176 | } | |
177 | ||
178 | msg = wpa_alloc_eapol(wpa_s, type, buf, len, &msglen, NULL); | |
179 | if (msg == NULL) | |
180 | return -1; | |
181 | ||
182 | wpa_printf(MSG_DEBUG, "TX EAPOL: dst=" MACSTR, MAC2STR(dst)); | |
183 | wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", msg, msglen); | |
184 | res = wpa_ether_send(wpa_s, dst, ETH_P_EAPOL, msg, msglen); | |
185 | os_free(msg); | |
186 | return res; | |
187 | } | |
188 | ||
189 | ||
190 | /** | |
191 | * wpa_eapol_set_wep_key - set WEP key for the driver | |
192 | * @ctx: Pointer to wpa_supplicant data (wpa_s) | |
193 | * @unicast: 1 = individual unicast key, 0 = broadcast key | |
194 | * @keyidx: WEP key index (0..3) | |
195 | * @key: Pointer to key data | |
196 | * @keylen: Key length in bytes | |
197 | * Returns: 0 on success or < 0 on error. | |
198 | */ | |
199 | static int wpa_eapol_set_wep_key(void *ctx, int unicast, int keyidx, | |
200 | const u8 *key, size_t keylen) | |
201 | { | |
202 | struct wpa_supplicant *wpa_s = ctx; | |
203 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) { | |
204 | int cipher = (keylen == 5) ? WPA_CIPHER_WEP40 : | |
205 | WPA_CIPHER_WEP104; | |
206 | if (unicast) | |
207 | wpa_s->pairwise_cipher = cipher; | |
208 | else | |
209 | wpa_s->group_cipher = cipher; | |
210 | } | |
211 | return wpa_drv_set_key(wpa_s, WPA_ALG_WEP, | |
212 | unicast ? wpa_s->bssid : | |
213 | (u8 *) "\xff\xff\xff\xff\xff\xff", | |
214 | keyidx, unicast, (u8 *) "", 0, key, keylen); | |
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; | |
257 | res = eapol_sm_get_key(eapol, pmk, PMK_LEN); | |
258 | if (res) { | |
259 | /* | |
260 | * EAP-LEAP is an exception from other EAP methods: it | |
261 | * uses only 16-byte PMK. | |
262 | */ | |
263 | res = eapol_sm_get_key(eapol, pmk, 16); | |
264 | pmk_len = 16; | |
265 | } | |
266 | ||
267 | if (res) { | |
268 | wpa_printf(MSG_DEBUG, "Failed to get PMK from EAPOL state " | |
269 | "machines"); | |
270 | return; | |
271 | } | |
272 | ||
273 | if (wpa_drv_set_key(wpa_s, WPA_ALG_PMK, NULL, 0, 0, NULL, 0, pmk, | |
274 | pmk_len)) { | |
275 | wpa_printf(MSG_DEBUG, "Failed to set PMK to the driver"); | |
276 | } | |
277 | ||
278 | wpa_supplicant_cancel_scan(wpa_s); | |
279 | wpa_supplicant_cancel_auth_timeout(wpa_s); | |
280 | wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); | |
281 | ||
282 | } | |
283 | ||
284 | ||
285 | static void wpa_supplicant_notify_eapol_done(void *ctx) | |
286 | { | |
287 | struct wpa_supplicant *wpa_s = ctx; | |
288 | wpa_msg(wpa_s, MSG_DEBUG, "WPA: EAPOL processing complete"); | |
56586197 | 289 | if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) { |
6fc6879b JM |
290 | wpa_supplicant_set_state(wpa_s, WPA_4WAY_HANDSHAKE); |
291 | } else { | |
6fc6879b JM |
292 | wpa_supplicant_cancel_auth_timeout(wpa_s); |
293 | wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); | |
294 | } | |
295 | } | |
296 | ||
297 | #endif /* IEEE8021X_EAPOL */ | |
298 | ||
299 | ||
300 | #ifndef CONFIG_NO_WPA | |
301 | ||
302 | static int wpa_get_beacon_ie(struct wpa_supplicant *wpa_s) | |
303 | { | |
6fc6879b | 304 | int ret = 0; |
e48f0fb6 | 305 | struct wpa_bss *curr = NULL, *bss; |
6fc6879b JM |
306 | struct wpa_ssid *ssid = wpa_s->current_ssid; |
307 | const u8 *ie; | |
308 | ||
e48f0fb6 JM |
309 | dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { |
310 | if (os_memcmp(bss->bssid, wpa_s->bssid, ETH_ALEN) != 0) | |
6fc6879b | 311 | continue; |
6fc6879b | 312 | if (ssid == NULL || |
e48f0fb6 JM |
313 | ((bss->ssid_len == ssid->ssid_len && |
314 | os_memcmp(bss->ssid, ssid->ssid, ssid->ssid_len) == 0) || | |
6fc6879b | 315 | ssid->ssid_len == 0)) { |
e48f0fb6 | 316 | curr = bss; |
6fc6879b JM |
317 | break; |
318 | } | |
319 | } | |
320 | ||
321 | if (curr) { | |
e48f0fb6 | 322 | ie = wpa_bss_get_vendor_ie(curr, WPA_IE_VENDOR_TYPE); |
6fc6879b JM |
323 | if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0)) |
324 | ret = -1; | |
325 | ||
e48f0fb6 | 326 | ie = wpa_bss_get_ie(curr, WLAN_EID_RSN); |
6fc6879b JM |
327 | if (wpa_sm_set_ap_rsn_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0)) |
328 | ret = -1; | |
329 | } else { | |
330 | ret = -1; | |
331 | } | |
332 | ||
333 | return ret; | |
334 | } | |
335 | ||
336 | ||
337 | static int wpa_supplicant_get_beacon_ie(void *ctx) | |
338 | { | |
339 | struct wpa_supplicant *wpa_s = ctx; | |
340 | if (wpa_get_beacon_ie(wpa_s) == 0) { | |
341 | return 0; | |
342 | } | |
343 | ||
344 | /* No WPA/RSN IE found in the cached scan results. Try to get updated | |
345 | * scan results from the driver. */ | |
a1fd2ce5 | 346 | if (wpa_supplicant_update_scan_results(wpa_s) < 0) |
6fc6879b | 347 | return -1; |
6fc6879b JM |
348 | |
349 | return wpa_get_beacon_ie(wpa_s); | |
350 | } | |
351 | ||
352 | ||
353 | static u8 * _wpa_alloc_eapol(void *wpa_s, u8 type, | |
354 | const void *data, u16 data_len, | |
355 | size_t *msg_len, void **data_pos) | |
356 | { | |
357 | return wpa_alloc_eapol(wpa_s, type, data, data_len, msg_len, data_pos); | |
358 | } | |
359 | ||
360 | ||
361 | static int _wpa_ether_send(void *wpa_s, const u8 *dest, u16 proto, | |
362 | const u8 *buf, size_t len) | |
363 | { | |
364 | return wpa_ether_send(wpa_s, dest, proto, buf, len); | |
365 | } | |
366 | ||
367 | ||
6fc6879b JM |
368 | static void _wpa_supplicant_cancel_auth_timeout(void *wpa_s) |
369 | { | |
370 | wpa_supplicant_cancel_auth_timeout(wpa_s); | |
371 | } | |
372 | ||
373 | ||
71934751 | 374 | static void _wpa_supplicant_set_state(void *wpa_s, enum wpa_states state) |
6fc6879b JM |
375 | { |
376 | wpa_supplicant_set_state(wpa_s, state); | |
377 | } | |
378 | ||
379 | ||
380 | /** | |
381 | * wpa_supplicant_get_state - Get the connection state | |
382 | * @wpa_s: Pointer to wpa_supplicant data | |
383 | * Returns: The current connection state (WPA_*) | |
384 | */ | |
71934751 | 385 | static enum wpa_states wpa_supplicant_get_state(struct wpa_supplicant *wpa_s) |
6fc6879b JM |
386 | { |
387 | return wpa_s->wpa_state; | |
388 | } | |
389 | ||
390 | ||
71934751 | 391 | static enum wpa_states _wpa_supplicant_get_state(void *wpa_s) |
6fc6879b JM |
392 | { |
393 | return wpa_supplicant_get_state(wpa_s); | |
394 | } | |
395 | ||
396 | ||
397 | static void _wpa_supplicant_disassociate(void *wpa_s, int reason_code) | |
398 | { | |
399 | wpa_supplicant_disassociate(wpa_s, reason_code); | |
3e2ad1b9 | 400 | /* Schedule a scan to make sure we continue looking for networks */ |
83935317 | 401 | wpa_supplicant_req_scan(wpa_s, 5, 0); |
6fc6879b JM |
402 | } |
403 | ||
404 | ||
405 | static void _wpa_supplicant_deauthenticate(void *wpa_s, int reason_code) | |
406 | { | |
407 | wpa_supplicant_deauthenticate(wpa_s, reason_code); | |
3e2ad1b9 | 408 | /* Schedule a scan to make sure we continue looking for networks */ |
83935317 | 409 | wpa_supplicant_req_scan(wpa_s, 5, 0); |
6fc6879b JM |
410 | } |
411 | ||
412 | ||
413 | static void * wpa_supplicant_get_network_ctx(void *wpa_s) | |
414 | { | |
415 | return wpa_supplicant_get_ssid(wpa_s); | |
416 | } | |
417 | ||
418 | ||
419 | static int wpa_supplicant_get_bssid(void *ctx, u8 *bssid) | |
420 | { | |
421 | struct wpa_supplicant *wpa_s = ctx; | |
c2a04078 | 422 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME) { |
6fc6879b JM |
423 | os_memcpy(bssid, wpa_s->bssid, ETH_ALEN); |
424 | return 0; | |
425 | } | |
426 | return wpa_drv_get_bssid(wpa_s, bssid); | |
427 | } | |
428 | ||
429 | ||
71934751 | 430 | static int wpa_supplicant_set_key(void *_wpa_s, enum wpa_alg alg, |
6fc6879b JM |
431 | const u8 *addr, int key_idx, int set_tx, |
432 | const u8 *seq, size_t seq_len, | |
433 | const u8 *key, size_t key_len) | |
434 | { | |
46690a3b JM |
435 | struct wpa_supplicant *wpa_s = _wpa_s; |
436 | if (alg == WPA_ALG_TKIP && key_idx == 0 && key_len == 32) { | |
437 | /* Clear the MIC error counter when setting a new PTK. */ | |
438 | wpa_s->mic_errors_seen = 0; | |
439 | } | |
6fc6879b JM |
440 | return wpa_drv_set_key(wpa_s, alg, addr, key_idx, set_tx, seq, seq_len, |
441 | key, key_len); | |
442 | } | |
443 | ||
444 | ||
445 | static int wpa_supplicant_mlme_setprotection(void *wpa_s, const u8 *addr, | |
446 | int protection_type, | |
447 | int key_type) | |
448 | { | |
449 | return wpa_drv_mlme_setprotection(wpa_s, addr, protection_type, | |
450 | key_type); | |
451 | } | |
452 | ||
453 | ||
454 | static int wpa_supplicant_add_pmkid(void *wpa_s, | |
455 | const u8 *bssid, const u8 *pmkid) | |
456 | { | |
457 | return wpa_drv_add_pmkid(wpa_s, bssid, pmkid); | |
458 | } | |
459 | ||
460 | ||
461 | static int wpa_supplicant_remove_pmkid(void *wpa_s, | |
462 | const u8 *bssid, const u8 *pmkid) | |
463 | { | |
464 | return wpa_drv_remove_pmkid(wpa_s, bssid, pmkid); | |
465 | } | |
466 | ||
467 | ||
468 | #ifdef CONFIG_IEEE80211R | |
469 | static int wpa_supplicant_update_ft_ies(void *ctx, const u8 *md, | |
470 | const u8 *ies, size_t ies_len) | |
471 | { | |
472 | struct wpa_supplicant *wpa_s = ctx; | |
c2a04078 | 473 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME) |
6fc6879b | 474 | return ieee80211_sta_update_ft_ies(wpa_s, md, ies, ies_len); |
c2a04078 JM |
475 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) |
476 | return sme_update_ft_ies(wpa_s, md, ies, ies_len); | |
6fc6879b JM |
477 | return wpa_drv_update_ft_ies(wpa_s, md, ies, ies_len); |
478 | } | |
479 | ||
480 | ||
481 | static int wpa_supplicant_send_ft_action(void *ctx, u8 action, | |
482 | const u8 *target_ap, | |
483 | const u8 *ies, size_t ies_len) | |
484 | { | |
485 | struct wpa_supplicant *wpa_s = ctx; | |
c2a04078 | 486 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME) |
6fc6879b JM |
487 | return ieee80211_sta_send_ft_action(wpa_s, action, target_ap, |
488 | ies, ies_len); | |
489 | return wpa_drv_send_ft_action(wpa_s, action, target_ap, ies, ies_len); | |
490 | } | |
491 | #endif /* CONFIG_IEEE80211R */ | |
492 | ||
493 | #endif /* CONFIG_NO_WPA */ | |
494 | ||
495 | ||
b1491202 | 496 | #ifdef IEEE8021X_EAPOL |
6fc6879b JM |
497 | #if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG) |
498 | static void wpa_supplicant_eap_param_needed(void *ctx, const char *field, | |
499 | const char *txt) | |
500 | { | |
501 | struct wpa_supplicant *wpa_s = ctx; | |
502 | struct wpa_ssid *ssid = wpa_s->current_ssid; | |
503 | char *buf; | |
504 | size_t buflen; | |
505 | int len; | |
506 | ||
507 | if (ssid == NULL) | |
508 | return; | |
509 | ||
510 | buflen = 100 + os_strlen(txt) + ssid->ssid_len; | |
511 | buf = os_malloc(buflen); | |
512 | if (buf == NULL) | |
513 | return; | |
514 | len = os_snprintf(buf, buflen, | |
515 | WPA_CTRL_REQ "%s-%d:%s needed for SSID ", | |
516 | field, ssid->id, txt); | |
517 | if (len < 0 || (size_t) len >= buflen) { | |
518 | os_free(buf); | |
519 | return; | |
520 | } | |
521 | if (ssid->ssid && buflen > len + ssid->ssid_len) { | |
522 | os_memcpy(buf + len, ssid->ssid, ssid->ssid_len); | |
523 | len += ssid->ssid_len; | |
524 | buf[len] = '\0'; | |
525 | } | |
526 | buf[buflen - 1] = '\0'; | |
527 | wpa_msg(wpa_s, MSG_INFO, "%s", buf); | |
528 | os_free(buf); | |
529 | } | |
530 | #else /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */ | |
531 | #define wpa_supplicant_eap_param_needed NULL | |
532 | #endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */ | |
533 | ||
534 | ||
4bc181ec JM |
535 | static void wpa_supplicant_port_cb(void *ctx, int authorized) |
536 | { | |
537 | struct wpa_supplicant *wpa_s = ctx; | |
538 | wpa_printf(MSG_DEBUG, "EAPOL: Supplicant port status: %s", | |
539 | authorized ? "Authorized" : "Unauthorized"); | |
540 | wpa_drv_set_supp_port(wpa_s, authorized); | |
541 | } | |
b1491202 | 542 | #endif /* IEEE8021X_EAPOL */ |
4bc181ec JM |
543 | |
544 | ||
6fc6879b JM |
545 | int wpa_supplicant_init_eapol(struct wpa_supplicant *wpa_s) |
546 | { | |
547 | #ifdef IEEE8021X_EAPOL | |
548 | struct eapol_ctx *ctx; | |
549 | ctx = os_zalloc(sizeof(*ctx)); | |
550 | if (ctx == NULL) { | |
551 | wpa_printf(MSG_ERROR, "Failed to allocate EAPOL context."); | |
552 | return -1; | |
553 | } | |
554 | ||
555 | ctx->ctx = wpa_s; | |
556 | ctx->msg_ctx = wpa_s; | |
557 | ctx->eapol_send_ctx = wpa_s; | |
558 | ctx->preauth = 0; | |
559 | ctx->eapol_done_cb = wpa_supplicant_notify_eapol_done; | |
560 | ctx->eapol_send = wpa_supplicant_eapol_send; | |
561 | ctx->set_wep_key = wpa_eapol_set_wep_key; | |
562 | ctx->set_config_blob = wpa_supplicant_set_config_blob; | |
563 | ctx->get_config_blob = wpa_supplicant_get_config_blob; | |
564 | ctx->aborted_cached = wpa_supplicant_aborted_cached; | |
6fc6879b JM |
565 | ctx->opensc_engine_path = wpa_s->conf->opensc_engine_path; |
566 | ctx->pkcs11_engine_path = wpa_s->conf->pkcs11_engine_path; | |
567 | ctx->pkcs11_module_path = wpa_s->conf->pkcs11_module_path; | |
116654ce | 568 | ctx->wps = wpa_s->wps; |
6fc6879b | 569 | ctx->eap_param_needed = wpa_supplicant_eap_param_needed; |
4bc181ec | 570 | ctx->port_cb = wpa_supplicant_port_cb; |
6fc6879b JM |
571 | ctx->cb = wpa_supplicant_eapol_cb; |
572 | ctx->cb_ctx = wpa_s; | |
573 | wpa_s->eapol = eapol_sm_init(ctx); | |
574 | if (wpa_s->eapol == NULL) { | |
575 | os_free(ctx); | |
576 | wpa_printf(MSG_ERROR, "Failed to initialize EAPOL state " | |
577 | "machines."); | |
578 | return -1; | |
579 | } | |
580 | #endif /* IEEE8021X_EAPOL */ | |
581 | ||
582 | return 0; | |
583 | } | |
584 | ||
585 | ||
586 | int wpa_supplicant_init_wpa(struct wpa_supplicant *wpa_s) | |
587 | { | |
588 | #ifndef CONFIG_NO_WPA | |
589 | struct wpa_sm_ctx *ctx; | |
590 | ctx = os_zalloc(sizeof(*ctx)); | |
591 | if (ctx == NULL) { | |
592 | wpa_printf(MSG_ERROR, "Failed to allocate WPA context."); | |
593 | return -1; | |
594 | } | |
595 | ||
596 | ctx->ctx = wpa_s; | |
0f057fb2 | 597 | ctx->msg_ctx = wpa_s; |
6fc6879b JM |
598 | ctx->set_state = _wpa_supplicant_set_state; |
599 | ctx->get_state = _wpa_supplicant_get_state; | |
6fc6879b JM |
600 | ctx->deauthenticate = _wpa_supplicant_deauthenticate; |
601 | ctx->disassociate = _wpa_supplicant_disassociate; | |
602 | ctx->set_key = wpa_supplicant_set_key; | |
603 | ctx->get_network_ctx = wpa_supplicant_get_network_ctx; | |
604 | ctx->get_bssid = wpa_supplicant_get_bssid; | |
605 | ctx->ether_send = _wpa_ether_send; | |
606 | ctx->get_beacon_ie = wpa_supplicant_get_beacon_ie; | |
607 | ctx->alloc_eapol = _wpa_alloc_eapol; | |
608 | ctx->cancel_auth_timeout = _wpa_supplicant_cancel_auth_timeout; | |
609 | ctx->add_pmkid = wpa_supplicant_add_pmkid; | |
610 | ctx->remove_pmkid = wpa_supplicant_remove_pmkid; | |
611 | #ifndef CONFIG_NO_CONFIG_BLOBS | |
612 | ctx->set_config_blob = wpa_supplicant_set_config_blob; | |
613 | ctx->get_config_blob = wpa_supplicant_get_config_blob; | |
614 | #endif /* CONFIG_NO_CONFIG_BLOBS */ | |
615 | ctx->mlme_setprotection = wpa_supplicant_mlme_setprotection; | |
616 | #ifdef CONFIG_IEEE80211R | |
617 | ctx->update_ft_ies = wpa_supplicant_update_ft_ies; | |
618 | ctx->send_ft_action = wpa_supplicant_send_ft_action; | |
619 | #endif /* CONFIG_IEEE80211R */ | |
620 | ||
621 | wpa_s->wpa = wpa_sm_init(ctx); | |
622 | if (wpa_s->wpa == NULL) { | |
623 | wpa_printf(MSG_ERROR, "Failed to initialize WPA state " | |
624 | "machine"); | |
625 | return -1; | |
626 | } | |
627 | #endif /* CONFIG_NO_WPA */ | |
628 | ||
629 | return 0; | |
630 | } | |
631 | ||
632 | ||
633 | void wpa_supplicant_rsn_supp_set_config(struct wpa_supplicant *wpa_s, | |
634 | struct wpa_ssid *ssid) | |
635 | { | |
636 | struct rsn_supp_config conf; | |
637 | if (ssid) { | |
638 | os_memset(&conf, 0, sizeof(conf)); | |
886a807f | 639 | conf.network_ctx = ssid; |
6fc6879b JM |
640 | conf.peerkey_enabled = ssid->peerkey; |
641 | conf.allowed_pairwise_cipher = ssid->pairwise_cipher; | |
a6a89fea | 642 | #ifdef IEEE8021X_EAPOL |
6fc6879b JM |
643 | conf.eap_workaround = ssid->eap_workaround; |
644 | conf.eap_conf_ctx = &ssid->eap; | |
a6a89fea | 645 | #endif /* IEEE8021X_EAPOL */ |
6fc6879b JM |
646 | conf.ssid = ssid->ssid; |
647 | conf.ssid_len = ssid->ssid_len; | |
581a8cde | 648 | conf.wpa_ptk_rekey = ssid->wpa_ptk_rekey; |
6fc6879b JM |
649 | } |
650 | wpa_sm_set_config(wpa_s->wpa, ssid ? &conf : NULL); | |
651 | } |