TDLS: Get TDLS related capabilities from driver
[mech_eap.git] / wpa_supplicant / wpas_glue.c
1 /*
2  * WPA Supplicant - Glue code to setup EAPOL and RSN modules
3  * Copyright (c) 2003-2008, Jouni Malinen <j@w1.fi>
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 "rsn_supp/wpa.h"
20 #include "eloop.h"
21 #include "config.h"
22 #include "l2_packet/l2_packet.h"
23 #include "common/wpa_common.h"
24 #include "wpa_supplicant_i.h"
25 #include "driver_i.h"
26 #include "rsn_supp/pmksa_cache.h"
27 #include "sme.h"
28 #include "common/ieee802_11_defs.h"
29 #include "common/wpa_ctrl.h"
30 #include "wpas_glue.h"
31 #include "wps_supplicant.h"
32 #include "bss.h"
33 #include "scan.h"
34 #include "notify.h"
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);
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         }
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
137         if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) ||
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
157         if (is_zero_ether_addr(wpa_s->bssid)) {
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 &&
161                     !is_zero_ether_addr(bssid)) {
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,
213                                unicast ? wpa_s->bssid : NULL,
214                                keyidx, unicast, NULL, 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
235         if (wpas_wps_eapol_cb(wpa_s) > 0)
236                 return;
237
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
247         if (!success || !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE))
248                 return;
249
250         if (!wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt))
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         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                 }
280         }
281
282         if (res) {
283                 wpa_printf(MSG_DEBUG, "Failed to get PMK from EAPOL state "
284                            "machines");
285                 return;
286         }
287
288         wpa_hexdump_key(MSG_DEBUG, "RSN: Configure PMK for driver-based 4-way "
289                         "handshake", pmk, pmk_len);
290
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");
307         if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
308                 wpa_supplicant_set_state(wpa_s, WPA_4WAY_HANDSHAKE);
309         } else {
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 {
322         int ret = 0;
323         struct wpa_bss *curr = NULL, *bss;
324         struct wpa_ssid *ssid = wpa_s->current_ssid;
325         const u8 *ie;
326
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)
329                         continue;
330                 if (ssid == NULL ||
331                     ((bss->ssid_len == ssid->ssid_len &&
332                       os_memcmp(bss->ssid, ssid->ssid, ssid->ssid_len) == 0) ||
333                      ssid->ssid_len == 0)) {
334                         curr = bss;
335                         break;
336                 }
337         }
338
339         if (curr) {
340                 ie = wpa_bss_get_vendor_ie(curr, WPA_IE_VENDOR_TYPE);
341                 if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
342                         ret = -1;
343
344                 ie = wpa_bss_get_ie(curr, WLAN_EID_RSN);
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. */
364         if (wpa_supplicant_update_scan_results(wpa_s) < 0)
365                 return -1;
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
386 static void _wpa_supplicant_cancel_auth_timeout(void *wpa_s)
387 {
388         wpa_supplicant_cancel_auth_timeout(wpa_s);
389 }
390
391
392 static void _wpa_supplicant_set_state(void *wpa_s, enum wpa_states state)
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  */
403 static enum wpa_states wpa_supplicant_get_state(struct wpa_supplicant *wpa_s)
404 {
405         return wpa_s->wpa_state;
406 }
407
408
409 static enum wpa_states _wpa_supplicant_get_state(void *wpa_s)
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);
418         /* Schedule a scan to make sure we continue looking for networks */
419         wpa_supplicant_req_scan(wpa_s, 5, 0);
420 }
421
422
423 static void _wpa_supplicant_deauthenticate(void *wpa_s, int reason_code)
424 {
425         wpa_supplicant_deauthenticate(wpa_s, reason_code);
426         /* Schedule a scan to make sure we continue looking for networks */
427         wpa_supplicant_req_scan(wpa_s, 5, 0);
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;
440         return wpa_drv_get_bssid(wpa_s, bssid);
441 }
442
443
444 static int wpa_supplicant_set_key(void *_wpa_s, enum wpa_alg alg,
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 {
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         }
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;
487         if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
488                 return sme_update_ft_ies(wpa_s, md, ies, ies_len);
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;
498         return wpa_drv_send_ft_action(wpa_s, action, target_ap, ies, ies_len);
499 }
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
508         bss = wpa_bss_get_bssid(wpa_s, target_ap);
509         if (bss == NULL)
510                 return -1;
511
512         os_memset(&params, 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, &params);
520 }
521 #endif /* CONFIG_IEEE80211R */
522
523 #endif /* CONFIG_NO_WPA */
524
525
526 #ifdef CONFIG_TDLS
527
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
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
569 #ifdef IEEE8021X_EAPOL
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
608 static void wpa_supplicant_port_cb(void *ctx, int authorized)
609 {
610         struct wpa_supplicant *wpa_s = ctx;
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 */
619         wpa_printf(MSG_DEBUG, "EAPOL: Supplicant port status: %s",
620                    authorized ? "Authorized" : "Unauthorized");
621         wpa_drv_set_supp_port(wpa_s, authorized);
622 }
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 }
633 #endif /* IEEE8021X_EAPOL */
634
635
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;
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;
659         ctx->wps = wpa_s->wps;
660         ctx->eap_param_needed = wpa_supplicant_eap_param_needed;
661         ctx->port_cb = wpa_supplicant_port_cb;
662         ctx->cb = wpa_supplicant_eapol_cb;
663         ctx->cert_cb = wpa_supplicant_cert_cb;
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
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
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;
699         ctx->msg_ctx = wpa_s;
700         ctx->set_state = _wpa_supplicant_set_state;
701         ctx->get_state = _wpa_supplicant_get_state;
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;
721         ctx->mark_authenticated = wpa_supplicant_mark_authenticated;
722 #endif /* CONFIG_IEEE80211R */
723 #ifdef CONFIG_TDLS
724         ctx->tdls_get_capa = wpa_supplicant_tdls_get_capa;
725         ctx->send_tdls_mgmt = wpa_supplicant_send_tdls_mgmt;
726         ctx->tdls_oper = wpa_supplicant_tdls_oper;
727 #endif /* CONFIG_TDLS */
728         ctx->set_rekey_offload = wpa_supplicant_set_rekey_offload;
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));
748                 conf.network_ctx = ssid;
749                 conf.peerkey_enabled = ssid->peerkey;
750                 conf.allowed_pairwise_cipher = ssid->pairwise_cipher;
751 #ifdef IEEE8021X_EAPOL
752                 conf.proactive_key_caching = ssid->proactive_key_caching;
753                 conf.eap_workaround = ssid->eap_workaround;
754                 conf.eap_conf_ctx = &ssid->eap;
755 #endif /* IEEE8021X_EAPOL */
756                 conf.ssid = ssid->ssid;
757                 conf.ssid_len = ssid->ssid_len;
758                 conf.wpa_ptk_rekey = ssid->wpa_ptk_rekey;
759         }
760         wpa_sm_set_config(wpa_s->wpa, ssid ? &conf : NULL);
761 }