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Added build option for removing VLAN support (CONFIG_NO_VLAN)
[thirdparty/hostap.git] / hostapd / config.c
CommitLineData
6fc6879b
JM		 1/*
2 * hostapd / Configuration file
5d22a1d5 3 * Copyright (c) 2003-2008, Jouni Malinen <j@w1.fi>
71b6ae14 4 * Copyright (c) 2007-2008, Intel Corporation
6fc6879b
JM		 5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 * Alternatively, this software may be distributed under the terms of BSD
11 * license.
12 *
13 * See README and COPYING for more details.
14 */
15
16#include "includes.h"
17#ifndef CONFIG_NATIVE_WINDOWS
18#include <grp.h>
19#endif /* CONFIG_NATIVE_WINDOWS */
20
21#include "hostapd.h"
22#include "driver.h"
23#include "sha1.h"
24#include "eap_server/eap.h"
25#include "radius/radius_client.h"
26#include "wpa_common.h"
27#include "wpa.h"
28#include "uuid.h"
ad08c363 29#include "eap_common/eap_wsc_common.h"
6fc6879b
JM		 30
31
32#define MAX_STA_COUNT 2007
33
34extern struct wpa_driver_ops *hostapd_drivers[];
35
36
30b32314 37#ifndef CONFIG_NO_VLAN
6fc6879b
JM		 38static int hostapd_config_read_vlan_file(struct hostapd_bss_config *bss,
39 const char *fname)
40{
41 FILE *f;
42 char buf[128], *pos, *pos2;
43 int line = 0, vlan_id;
44 struct hostapd_vlan *vlan;
45
46 f = fopen(fname, "r");
47 if (!f) {
10656fc2 48 wpa_printf(MSG_ERROR, "VLAN file '%s' not readable.", fname);
6fc6879b
JM		 49 return -1;
50 }
51
52 while (fgets(buf, sizeof(buf), f)) {
53 line++;
54
55 if (buf[0] == '#')
56 continue;
57 pos = buf;
58 while (*pos != '\0') {
59 if (*pos == '\n') {
60 *pos = '\0';
61 break;
62 }
63 pos++;
64 }
65 if (buf[0] == '\0')
66 continue;
67
68 if (buf[0] == '*') {
69 vlan_id = VLAN_ID_WILDCARD;
70 pos = buf + 1;
71 } else {
72 vlan_id = strtol(buf, &pos, 10);
73 if (buf == pos || vlan_id < 1 ||
74 vlan_id > MAX_VLAN_ID) {
10656fc2
JM		 75 wpa_printf(MSG_ERROR, "Invalid VLAN ID at "
76 "line %d in '%s'", line, fname);
6fc6879b
JM		 77 fclose(f);
78 return -1;
79 }
80 }
81
82 while (*pos == ' ' || *pos == '\t')
83 pos++;
84 pos2 = pos;
85 while (*pos2 != ' ' && *pos2 != '\t' && *pos2 != '\0')
86 pos2++;
87 *pos2 = '\0';
88 if (*pos == '\0' || os_strlen(pos) > IFNAMSIZ) {
10656fc2
JM		 89 wpa_printf(MSG_ERROR, "Invalid VLAN ifname at line %d "
90 "in '%s'", line, fname);
6fc6879b
JM		 91 fclose(f);
92 return -1;
93 }
94
95 vlan = os_malloc(sizeof(*vlan));
96 if (vlan == NULL) {
10656fc2
JM		 97 wpa_printf(MSG_ERROR, "Out of memory while reading "
98 "VLAN interfaces from '%s'", fname);
6fc6879b
JM		 99 fclose(f);
100 return -1;
101 }
102
103 os_memset(vlan, 0, sizeof(*vlan));
104 vlan->vlan_id = vlan_id;
105 os_strlcpy(vlan->ifname, pos, sizeof(vlan->ifname));
106 if (bss->vlan_tail)
107 bss->vlan_tail->next = vlan;
108 else
109 bss->vlan = vlan;
110 bss->vlan_tail = vlan;
111 }
112
113 fclose(f);
114
115 return 0;
116}
30b32314 117#endif /* CONFIG_NO_VLAN */
6fc6879b
JM		 118
119
120static void hostapd_config_free_vlan(struct hostapd_bss_config *bss)
121{
122 struct hostapd_vlan *vlan, *prev;
123
124 vlan = bss->vlan;
125 prev = NULL;
126 while (vlan) {
127 prev = vlan;
128 vlan = vlan->next;
129 os_free(prev);
130 }
131
132 bss->vlan = NULL;
133}
134
135
136/* convert floats with one decimal place to value*10 int, i.e.,
137 * "1.5" will return 15 */
138static int hostapd_config_read_int10(const char *value)
139{
140 int i, d;
141 char *pos;
142
143 i = atoi(value);
144 pos = os_strchr(value, '.');
145 d = 0;
146 if (pos) {
147 pos++;
148 if (*pos >= '0' && *pos <= '9')
149 d = *pos - '0';
150 }
151
152 return i * 10 + d;
153}
154
155
156static void hostapd_config_defaults_bss(struct hostapd_bss_config *bss)
157{
158 bss->logger_syslog_level = HOSTAPD_LEVEL_INFO;
159 bss->logger_stdout_level = HOSTAPD_LEVEL_INFO;
160 bss->logger_syslog = (unsigned int) -1;
161 bss->logger_stdout = (unsigned int) -1;
162
163 bss->auth_algs = WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED;
164
165 bss->wep_rekeying_period = 300;
166 /* use key0 in individual key and key1 in broadcast key */
167 bss->broadcast_key_idx_min = 1;
168 bss->broadcast_key_idx_max = 2;
169 bss->eap_reauth_period = 3600;
170
171 bss->wpa_group_rekey = 600;
172 bss->wpa_gmk_rekey = 86400;
173 bss->wpa_key_mgmt = WPA_KEY_MGMT_PSK;
174 bss->wpa_pairwise = WPA_CIPHER_TKIP;
175 bss->wpa_group = WPA_CIPHER_TKIP;
176 bss->rsn_pairwise = 0;
177
178 bss->max_num_sta = MAX_STA_COUNT;
179
180 bss->dtim_period = 2;
181
182 bss->radius_server_auth_port = 1812;
183 bss->ap_max_inactivity = AP_MAX_INACTIVITY;
184 bss->eapol_version = EAPOL_VERSION;
b0194fe0
JM		 185
186 bss->max_listen_interval = 65535;
5d22a1d5
JM		 187
188#ifdef CONFIG_IEEE80211W
45c94154
JM		 189 bss->assoc_sa_query_max_timeout = 1000;
190 bss->assoc_sa_query_retry_timeout = 201;
5d22a1d5 191#endif /* CONFIG_IEEE80211W */
378eae5e
JM		 192#ifdef EAP_FAST
193 /* both anonymous and authenticated provisioning */
194 bss->eap_fast_prov = 3;
a11c90a6
JM		 195 bss->pac_key_lifetime = 7 * 24 * 60 * 60;
196 bss->pac_key_refresh_time = 1 * 24 * 60 * 60;
378eae5e 197#endif /* EAP_FAST */
6fc6879b
JM		 198}
199
200
201static struct hostapd_config * hostapd_config_defaults(void)
202{
203 struct hostapd_config *conf;
204 struct hostapd_bss_config *bss;
205 int i;
206 const int aCWmin = 15, aCWmax = 1024;
207 const struct hostapd_wme_ac_params ac_bk =
208 { aCWmin, aCWmax, 7, 0, 0 }; /* background traffic */
209 const struct hostapd_wme_ac_params ac_be =
210 { aCWmin, aCWmax, 3, 0, 0 }; /* best effort traffic */
211 const struct hostapd_wme_ac_params ac_vi = /* video traffic */
212 { aCWmin >> 1, aCWmin, 2, 3000 / 32, 1 };
213 const struct hostapd_wme_ac_params ac_vo = /* voice traffic */
214 { aCWmin >> 2, aCWmin >> 1, 2, 1500 / 32, 1 };
215
216 conf = os_zalloc(sizeof(*conf));
217 bss = os_zalloc(sizeof(*bss));
218 if (conf == NULL || bss == NULL) {
10656fc2
JM		 219 wpa_printf(MSG_ERROR, "Failed to allocate memory for "
220 "configuration data.");
6fc6879b
JM		 221 os_free(conf);
222 os_free(bss);
223 return NULL;
224 }
225
226 /* set default driver based on configuration */
227 conf->driver = hostapd_drivers[0];
228 if (conf->driver == NULL) {
10656fc2 229 wpa_printf(MSG_ERROR, "No driver wrappers registered!");
6fc6879b
JM		 230 os_free(conf);
231 os_free(bss);
232 return NULL;
233 }
234
235 bss->radius = os_zalloc(sizeof(*bss->radius));
236 if (bss->radius == NULL) {
237 os_free(conf);
238 os_free(bss);
239 return NULL;
240 }
241
242 hostapd_config_defaults_bss(bss);
243
244 conf->num_bss = 1;
245 conf->bss = bss;
246
247 conf->beacon_int = 100;
248 conf->rts_threshold = -1; /* use driver default: 2347 */
249 conf->fragm_threshold = -1; /* user driver default: 2346 */
250 conf->send_probe_response = 1;
251 conf->bridge_packets = INTERNAL_BRIDGE_DO_NOT_CONTROL;
252
253 os_memcpy(conf->country, "US ", 3);
254
255 for (i = 0; i < NUM_TX_QUEUES; i++)
256 conf->tx_queue[i].aifs = -1; /* use hw default */
257
258 conf->wme_ac_params[0] = ac_be;
259 conf->wme_ac_params[1] = ac_bk;
260 conf->wme_ac_params[2] = ac_vi;
261 conf->wme_ac_params[3] = ac_vo;
262
de9289c8 263#ifdef CONFIG_IEEE80211N
fc14f567 264 conf->ht_capab = HT_CAP_INFO_SMPS_DISABLED;
de9289c8
JM		 265#endif /* CONFIG_IEEE80211N */
266
6fc6879b
JM		 267 return conf;
268}
269
270
271int hostapd_mac_comp(const void *a, const void *b)
272{
273 return os_memcmp(a, b, sizeof(macaddr));
274}
275
276
277int hostapd_mac_comp_empty(const void *a)
278{
279 macaddr empty = { 0 };
280 return os_memcmp(a, empty, sizeof(macaddr));
281}
282
283
271d2830
JM		 284static int hostapd_acl_comp(const void *a, const void *b)
285{
286 const struct mac_acl_entry *aa = a;
287 const struct mac_acl_entry *bb = b;
288 return os_memcmp(aa->addr, bb->addr, sizeof(macaddr));
289}
290
291
292static int hostapd_config_read_maclist(const char *fname,
293 struct mac_acl_entry **acl, int *num)
6fc6879b
JM		 294{
295 FILE *f;
296 char buf[128], *pos;
297 int line = 0;
298 u8 addr[ETH_ALEN];
271d2830
JM		 299 struct mac_acl_entry *newacl;
300 int vlan_id;
6fc6879b
JM		 301
302 if (!fname)
303 return 0;
304
305 f = fopen(fname, "r");
306 if (!f) {
10656fc2 307 wpa_printf(MSG_ERROR, "MAC list file '%s' not found.", fname);
6fc6879b
JM		 308 return -1;
309 }
310
311 while (fgets(buf, sizeof(buf), f)) {
312 line++;
313
314 if (buf[0] == '#')
315 continue;
316 pos = buf;
317 while (*pos != '\0') {
318 if (*pos == '\n') {
319 *pos = '\0';
320 break;
321 }
322 pos++;
323 }
324 if (buf[0] == '\0')
325 continue;
326
327 if (hwaddr_aton(buf, addr)) {
10656fc2
JM		 328 wpa_printf(MSG_ERROR, "Invalid MAC address '%s' at "
329 "line %d in '%s'", buf, line, fname);
6fc6879b
JM		 330 fclose(f);
331 return -1;
332 }
333
271d2830
JM		 334 vlan_id = 0;
335 pos = buf;
336 while (*pos != '\0' && *pos != ' ' && *pos != '\t')
337 pos++;
338 while (*pos == ' ' || *pos == '\t')
339 pos++;
340 if (*pos != '\0')
341 vlan_id = atoi(pos);
342
343 newacl = os_realloc(*acl, (*num + 1) * sizeof(**acl));
6fc6879b 344 if (newacl == NULL) {
10656fc2 345 wpa_printf(MSG_ERROR, "MAC list reallocation failed");
6fc6879b
JM		 346 fclose(f);
347 return -1;
348 }
349
350 *acl = newacl;
271d2830
JM		 351 os_memcpy((*acl)[*num].addr, addr, ETH_ALEN);
352 (*acl)[*num].vlan_id = vlan_id;
6fc6879b
JM		 353 (*num)++;
354 }
355
356 fclose(f);
357
271d2830 358 qsort(*acl, *num, sizeof(**acl), hostapd_acl_comp);
6fc6879b
JM		 359
360 return 0;
361}
362
363
364static int hostapd_config_read_wpa_psk(const char *fname,
365 struct hostapd_ssid *ssid)
366{
367 FILE *f;
368 char buf[128], *pos;
369 int line = 0, ret = 0, len, ok;
370 u8 addr[ETH_ALEN];
371 struct hostapd_wpa_psk *psk;
372
373 if (!fname)
374 return 0;
375
376 f = fopen(fname, "r");
377 if (!f) {
10656fc2 378 wpa_printf(MSG_ERROR, "WPA PSK file '%s' not found.", fname);
6fc6879b
JM		 379 return -1;
380 }
381
382 while (fgets(buf, sizeof(buf), f)) {
383 line++;
384
385 if (buf[0] == '#')
386 continue;
387 pos = buf;
388 while (*pos != '\0') {
389 if (*pos == '\n') {
390 *pos = '\0';
391 break;
392 }
393 pos++;
394 }
395 if (buf[0] == '\0')
396 continue;
397
398 if (hwaddr_aton(buf, addr)) {
10656fc2
JM		 399 wpa_printf(MSG_ERROR, "Invalid MAC address '%s' on "
400 "line %d in '%s'", buf, line, fname);
6fc6879b
JM		 401 ret = -1;
402 break;
403 }
404
405 psk = os_zalloc(sizeof(*psk));
406 if (psk == NULL) {
10656fc2 407 wpa_printf(MSG_ERROR, "WPA PSK allocation failed");
6fc6879b
JM		 408 ret = -1;
409 break;
410 }
a8e16edc 411 if (is_zero_ether_addr(addr))
6fc6879b
JM		 412 psk->group = 1;
413 else
414 os_memcpy(psk->addr, addr, ETH_ALEN);
415
416 pos = buf + 17;
5306f43f 417 if (*pos == '\0') {
10656fc2
JM		 418 wpa_printf(MSG_ERROR, "No PSK on line %d in '%s'",
419 line, fname);
6fc6879b
JM		 420 os_free(psk);
421 ret = -1;
422 break;
423 }
424 pos++;
425
426 ok = 0;
427 len = os_strlen(pos);
428 if (len == 64 && hexstr2bin(pos, psk->psk, PMK_LEN) == 0)
429 ok = 1;
430 else if (len >= 8 && len < 64) {
431 pbkdf2_sha1(pos, ssid->ssid, ssid->ssid_len,
432 4096, psk->psk, PMK_LEN);
433 ok = 1;
434 }
435 if (!ok) {
10656fc2
JM		 436 wpa_printf(MSG_ERROR, "Invalid PSK '%s' on line %d in "
437 "'%s'", pos, line, fname);
6fc6879b
JM		 438 os_free(psk);
439 ret = -1;
440 break;
441 }
442
443 psk->next = ssid->wpa_psk;
444 ssid->wpa_psk = psk;
445 }
446
447 fclose(f);
448
449 return ret;
450}
451
452
453int hostapd_setup_wpa_psk(struct hostapd_bss_config *conf)
454{
455 struct hostapd_ssid *ssid = &conf->ssid;
456
457 if (ssid->wpa_passphrase != NULL) {
458 if (ssid->wpa_psk != NULL) {
10656fc2
JM		 459 wpa_printf(MSG_ERROR, "Warning: both WPA PSK and "
460 "passphrase set. Using passphrase.");
6fc6879b
JM		 461 os_free(ssid->wpa_psk);
462 }
463 ssid->wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk));
464 if (ssid->wpa_psk == NULL) {
10656fc2 465 wpa_printf(MSG_ERROR, "Unable to alloc space for PSK");
6fc6879b
JM		 466 return -1;
467 }
468 wpa_hexdump_ascii(MSG_DEBUG, "SSID",
469 (u8 *) ssid->ssid, ssid->ssid_len);
470 wpa_hexdump_ascii(MSG_DEBUG, "PSK (ASCII passphrase)",
471 (u8 *) ssid->wpa_passphrase,
472 os_strlen(ssid->wpa_passphrase));
473 pbkdf2_sha1(ssid->wpa_passphrase,
474 ssid->ssid, ssid->ssid_len,
475 4096, ssid->wpa_psk->psk, PMK_LEN);
476 wpa_hexdump(MSG_DEBUG, "PSK (from passphrase)",
477 ssid->wpa_psk->psk, PMK_LEN);
478 ssid->wpa_psk->group = 1;
479
480 os_memset(ssid->wpa_passphrase, 0,
481 os_strlen(ssid->wpa_passphrase));
482 os_free(ssid->wpa_passphrase);
483 ssid->wpa_passphrase = NULL;
484 }
485
486 if (ssid->wpa_psk_file) {
487 if (hostapd_config_read_wpa_psk(ssid->wpa_psk_file,
488 &conf->ssid))
489 return -1;
490 }
491
492 return 0;
493}
494
495
496#ifdef EAP_SERVER
497static int hostapd_config_read_eap_user(const char *fname,
498 struct hostapd_bss_config *conf)
499{
500 FILE *f;
501 char buf[512], *pos, *start, *pos2;
502 int line = 0, ret = 0, num_methods;
503 struct hostapd_eap_user *user, *tail = NULL;
504
505 if (!fname)
506 return 0;
507
508 f = fopen(fname, "r");
509 if (!f) {
10656fc2 510 wpa_printf(MSG_ERROR, "EAP user file '%s' not found.", fname);
6fc6879b
JM		 511 return -1;
512 }
513
514 /* Lines: "user" METHOD,METHOD2 "password" (password optional) */
515 while (fgets(buf, sizeof(buf), f)) {
516 line++;
517
518 if (buf[0] == '#')
519 continue;
520 pos = buf;
521 while (*pos != '\0') {
522 if (*pos == '\n') {
523 *pos = '\0';
524 break;
525 }
526 pos++;
527 }
528 if (buf[0] == '\0')
529 continue;
530
531 user = NULL;
532
533 if (buf[0] != '"' && buf[0] != '*') {
10656fc2
JM		 534 wpa_printf(MSG_ERROR, "Invalid EAP identity (no \" in "
535 "start) on line %d in '%s'", line, fname);
6fc6879b
JM		 536 goto failed;
537 }
538
539 user = os_zalloc(sizeof(*user));
540 if (user == NULL) {
10656fc2 541 wpa_printf(MSG_ERROR, "EAP user allocation failed");
6fc6879b
JM		 542 goto failed;
543 }
544 user->force_version = -1;
545
546 if (buf[0] == '*') {
547 pos = buf;
548 } else {
549 pos = buf + 1;
550 start = pos;
551 while (*pos != '"' && *pos != '\0')
552 pos++;
553 if (*pos == '\0') {
10656fc2
JM		 554 wpa_printf(MSG_ERROR, "Invalid EAP identity "
555 "(no \" in end) on line %d in '%s'",
556 line, fname);
6fc6879b
JM		 557 goto failed;
558 }
559
560 user->identity = os_malloc(pos - start);
561 if (user->identity == NULL) {
10656fc2
JM		 562 wpa_printf(MSG_ERROR, "Failed to allocate "
563 "memory for EAP identity");
6fc6879b
JM		 564 goto failed;
565 }
566 os_memcpy(user->identity, start, pos - start);
567 user->identity_len = pos - start;
568
569 if (pos[0] == '"' && pos[1] == '*') {
570 user->wildcard_prefix = 1;
571 pos++;
572 }
573 }
574 pos++;
575 while (*pos == ' ' || *pos == '\t')
576 pos++;
577
578 if (*pos == '\0') {
10656fc2
JM		 579 wpa_printf(MSG_ERROR, "No EAP method on line %d in "
580 "'%s'", line, fname);
6fc6879b
JM		 581 goto failed;
582 }
583
584 start = pos;
585 while (*pos != ' ' && *pos != '\t' && *pos != '\0')
586 pos++;
587 if (*pos == '\0') {
588 pos = NULL;
589 } else {
590 *pos = '\0';
591 pos++;
592 }
593 num_methods = 0;
594 while (*start) {
595 char *pos3 = os_strchr(start, ',');
596 if (pos3) {
597 *pos3++ = '\0';
598 }
599 user->methods[num_methods].method =
600 eap_server_get_type(
601 start,
602 &user->methods[num_methods].vendor);
603 if (user->methods[num_methods].vendor ==
604 EAP_VENDOR_IETF &&
605 user->methods[num_methods].method == EAP_TYPE_NONE)
606 {
607 if (os_strcmp(start, "TTLS-PAP") == 0) {
608 user->ttls_auth |= EAP_TTLS_AUTH_PAP;
609 goto skip_eap;
610 }
611 if (os_strcmp(start, "TTLS-CHAP") == 0) {
612 user->ttls_auth |= EAP_TTLS_AUTH_CHAP;
613 goto skip_eap;
614 }
615 if (os_strcmp(start, "TTLS-MSCHAP") == 0) {
616 user->ttls_auth |=
617 EAP_TTLS_AUTH_MSCHAP;
618 goto skip_eap;
619 }
620 if (os_strcmp(start, "TTLS-MSCHAPV2") == 0) {
621 user->ttls_auth |=
622 EAP_TTLS_AUTH_MSCHAPV2;
623 goto skip_eap;
624 }
10656fc2
JM		 625 wpa_printf(MSG_ERROR, "Unsupported EAP type "
626 "'%s' on line %d in '%s'",
627 start, line, fname);
6fc6879b
JM		 628 goto failed;
629 }
630
631 num_methods++;
632 if (num_methods >= EAP_USER_MAX_METHODS)
633 break;
634 skip_eap:
635 if (pos3 == NULL)
636 break;
637 start = pos3;
638 }
639 if (num_methods == 0 && user->ttls_auth == 0) {
10656fc2
JM		 640 wpa_printf(MSG_ERROR, "No EAP types configured on "
641 "line %d in '%s'", line, fname);
6fc6879b
JM		 642 goto failed;
643 }
644
645 if (pos == NULL)
646 goto done;
647
648 while (*pos == ' ' || *pos == '\t')
649 pos++;
650 if (*pos == '\0')
651 goto done;
652
653 if (os_strncmp(pos, "[ver=0]", 7) == 0) {
654 user->force_version = 0;
655 goto done;
656 }
657
658 if (os_strncmp(pos, "[ver=1]", 7) == 0) {
659 user->force_version = 1;
660 goto done;
661 }
662
663 if (os_strncmp(pos, "[2]", 3) == 0) {
664 user->phase2 = 1;
665 goto done;
666 }
667
668 if (*pos == '"') {
669 pos++;
670 start = pos;
671 while (*pos != '"' && *pos != '\0')
672 pos++;
673 if (*pos == '\0') {
10656fc2
JM		 674 wpa_printf(MSG_ERROR, "Invalid EAP password "
675 "(no \" in end) on line %d in '%s'",
676 line, fname);
6fc6879b
JM		 677 goto failed;
678 }
679
680 user->password = os_malloc(pos - start);
681 if (user->password == NULL) {
10656fc2
JM		 682 wpa_printf(MSG_ERROR, "Failed to allocate "
683 "memory for EAP password");
6fc6879b
JM		 684 goto failed;
685 }
686 os_memcpy(user->password, start, pos - start);
687 user->password_len = pos - start;
688
689 pos++;
690 } else if (os_strncmp(pos, "hash:", 5) == 0) {
691 pos += 5;
692 pos2 = pos;
693 while (*pos2 != '\0' && *pos2 != ' ' &&
694 *pos2 != '\t' && *pos2 != '#')
695 pos2++;
696 if (pos2 - pos != 32) {
10656fc2
JM		 697 wpa_printf(MSG_ERROR, "Invalid password hash "
698 "on line %d in '%s'", line, fname);
6fc6879b
JM		 699 goto failed;
700 }
701 user->password = os_malloc(16);
702 if (user->password == NULL) {
10656fc2
JM		 703 wpa_printf(MSG_ERROR, "Failed to allocate "
704 "memory for EAP password hash");
6fc6879b
JM		 705 goto failed;
706 }
707 if (hexstr2bin(pos, user->password, 16) < 0) {
10656fc2
JM		 708 wpa_printf(MSG_ERROR, "Invalid hash password "
709 "on line %d in '%s'", line, fname);
6fc6879b
JM		 710 goto failed;
711 }
712 user->password_len = 16;
713 user->password_hash = 1;
714 pos = pos2;
715 } else {
716 pos2 = pos;
717 while (*pos2 != '\0' && *pos2 != ' ' &&
718 *pos2 != '\t' && *pos2 != '#')
719 pos2++;
720 if ((pos2 - pos) & 1) {
10656fc2
JM		 721 wpa_printf(MSG_ERROR, "Invalid hex password "
722 "on line %d in '%s'", line, fname);
6fc6879b
JM		 723 goto failed;
724 }
725 user->password = os_malloc((pos2 - pos) / 2);
726 if (user->password == NULL) {
10656fc2
JM		 727 wpa_printf(MSG_ERROR, "Failed to allocate "
728 "memory for EAP password");
6fc6879b
JM		 729 goto failed;
730 }
731 if (hexstr2bin(pos, user->password,
732 (pos2 - pos) / 2) < 0) {
10656fc2
JM		 733 wpa_printf(MSG_ERROR, "Invalid hex password "
734 "on line %d in '%s'", line, fname);
6fc6879b
JM		 735 goto failed;
736 }
737 user->password_len = (pos2 - pos) / 2;
738 pos = pos2;
739 }
740
741 while (*pos == ' ' || *pos == '\t')
742 pos++;
743 if (os_strncmp(pos, "[2]", 3) == 0) {
744 user->phase2 = 1;
745 }
746
747 done:
748 if (tail == NULL) {
749 tail = conf->eap_user = user;
750 } else {
751 tail->next = user;
752 tail = user;
753 }
754 continue;
755
756 failed:
757 if (user) {
758 os_free(user->password);
759 os_free(user->identity);
760 os_free(user);
761 }
762 ret = -1;
763 break;
764 }
765
766 fclose(f);
767
768 return ret;
769}
770#endif /* EAP_SERVER */
771
772
27750f29 773#ifndef CONFIG_NO_RADIUS
6fc6879b
JM		 774static int
775hostapd_config_read_radius_addr(struct hostapd_radius_server **server,
776 int *num_server, const char *val, int def_port,
777 struct hostapd_radius_server **curr_serv)
778{
779 struct hostapd_radius_server *nserv;
780 int ret;
781 static int server_index = 1;
782
783 nserv = os_realloc(*server, (*num_server + 1) * sizeof(*nserv));
784 if (nserv == NULL)
785 return -1;
786
787 *server = nserv;
788 nserv = &nserv[*num_server];
789 (*num_server)++;
790 (*curr_serv) = nserv;
791
792 os_memset(nserv, 0, sizeof(*nserv));
793 nserv->port = def_port;
794 ret = hostapd_parse_ip_addr(val, &nserv->addr);
795 nserv->index = server_index++;
796
797 return ret;
798}
27750f29 799#endif /* CONFIG_NO_RADIUS */
6fc6879b
JM		 800
801
802static int hostapd_config_parse_key_mgmt(int line, const char *value)
803{
804 int val = 0, last;
805 char *start, *end, *buf;
806
807 buf = os_strdup(value);
808 if (buf == NULL)
809 return -1;
810 start = buf;
811
5306f43f 812 while (*start != '\0') {
6fc6879b
JM		 813 while (*start == ' ' || *start == '\t')
814 start++;
815 if (*start == '\0')
816 break;
817 end = start;
818 while (*end != ' ' && *end != '\t' && *end != '\0')
819 end++;
820 last = *end == '\0';
821 *end = '\0';
822 if (os_strcmp(start, "WPA-PSK") == 0)
823 val |= WPA_KEY_MGMT_PSK;
824 else if (os_strcmp(start, "WPA-EAP") == 0)
825 val |= WPA_KEY_MGMT_IEEE8021X;
826#ifdef CONFIG_IEEE80211R
827 else if (os_strcmp(start, "FT-PSK") == 0)
828 val |= WPA_KEY_MGMT_FT_PSK;
829 else if (os_strcmp(start, "FT-EAP") == 0)
830 val |= WPA_KEY_MGMT_FT_IEEE8021X;
831#endif /* CONFIG_IEEE80211R */
56586197
JM		 832#ifdef CONFIG_IEEE80211W
833 else if (os_strcmp(start, "WPA-PSK-SHA256") == 0)
834 val |= WPA_KEY_MGMT_PSK_SHA256;
835 else if (os_strcmp(start, "WPA-EAP-SHA256") == 0)
836 val |= WPA_KEY_MGMT_IEEE8021X_SHA256;
837#endif /* CONFIG_IEEE80211W */
6fc6879b 838 else {
10656fc2
JM		 839 wpa_printf(MSG_ERROR, "Line %d: invalid key_mgmt '%s'",
840 line, start);
6fc6879b
JM		 841 os_free(buf);
842 return -1;
843 }
844
845 if (last)
846 break;
847 start = end + 1;
848 }
849
850 os_free(buf);
851 if (val == 0) {
10656fc2
JM		 852 wpa_printf(MSG_ERROR, "Line %d: no key_mgmt values "
853 "configured.", line);
6fc6879b
JM		 854 return -1;
855 }
856
857 return val;
858}
859
860
861static int hostapd_config_parse_cipher(int line, const char *value)
862{
863 int val = 0, last;
864 char *start, *end, *buf;
865
866 buf = os_strdup(value);
867 if (buf == NULL)
868 return -1;
869 start = buf;
870
5306f43f 871 while (*start != '\0') {
6fc6879b
JM		 872 while (*start == ' ' || *start == '\t')
873 start++;
874 if (*start == '\0')
875 break;
876 end = start;
877 while (*end != ' ' && *end != '\t' && *end != '\0')
878 end++;
879 last = *end == '\0';
880 *end = '\0';
881 if (os_strcmp(start, "CCMP") == 0)
882 val |= WPA_CIPHER_CCMP;
883 else if (os_strcmp(start, "TKIP") == 0)
884 val |= WPA_CIPHER_TKIP;
885 else if (os_strcmp(start, "WEP104") == 0)
886 val |= WPA_CIPHER_WEP104;
887 else if (os_strcmp(start, "WEP40") == 0)
888 val |= WPA_CIPHER_WEP40;
889 else if (os_strcmp(start, "NONE") == 0)
890 val |= WPA_CIPHER_NONE;
891 else {
10656fc2
JM		 892 wpa_printf(MSG_ERROR, "Line %d: invalid cipher '%s'.",
893 line, start);
6fc6879b
JM		 894 os_free(buf);
895 return -1;
896 }
897
898 if (last)
899 break;
900 start = end + 1;
901 }
902 os_free(buf);
903
904 if (val == 0) {
10656fc2
JM		 905 wpa_printf(MSG_ERROR, "Line %d: no cipher values configured.",
906 line);
6fc6879b
JM		 907 return -1;
908 }
909 return val;
910}
911
912
913static int hostapd_config_check_bss(struct hostapd_bss_config *bss,
914 struct hostapd_config *conf)
915{
916 if (bss->ieee802_1x && !bss->eap_server &&
917 !bss->radius->auth_servers) {
10656fc2
JM		 918 wpa_printf(MSG_ERROR, "Invalid IEEE 802.1X configuration (no "
919 "EAP authenticator configured).");
6fc6879b
JM		 920 return -1;
921 }
922
923 if (bss->wpa && (bss->wpa_key_mgmt & WPA_KEY_MGMT_PSK) &&
924 bss->ssid.wpa_psk == NULL && bss->ssid.wpa_passphrase == NULL &&
925 bss->ssid.wpa_psk_file == NULL) {
10656fc2
JM		 926 wpa_printf(MSG_ERROR, "WPA-PSK enabled, but PSK or passphrase "
927 "is not configured.");
6fc6879b
JM		 928 return -1;
929 }
930
931 if (hostapd_mac_comp_empty(bss->bssid) != 0) {
932 size_t i;
933
934 for (i = 0; i < conf->num_bss; i++) {
935 if ((&conf->bss[i] != bss) &&
936 (hostapd_mac_comp(conf->bss[i].bssid,
937 bss->bssid) == 0)) {
10656fc2
JM		 938 wpa_printf(MSG_ERROR, "Duplicate BSSID " MACSTR
939 " on interface '%s' and '%s'.",
940 MAC2STR(bss->bssid),
941 conf->bss[i].iface, bss->iface);
6fc6879b
JM		 942 return -1;
943 }
944 }
945 }
946
947#ifdef CONFIG_IEEE80211R
948 if ((bss->wpa_key_mgmt &
949 (WPA_KEY_MGMT_FT_PSK | WPA_KEY_MGMT_FT_IEEE8021X)) &&
950 (bss->nas_identifier == NULL ||
951 os_strlen(bss->nas_identifier) < 1 ||
952 os_strlen(bss->nas_identifier) > FT_R0KH_ID_MAX_LEN)) {
10656fc2
JM		 953 wpa_printf(MSG_ERROR, "FT (IEEE 802.11r) requires "
954 "nas_identifier to be configured as a 1..48 octet "
955 "string");
6fc6879b
JM		 956 return -1;
957 }
958#endif /* CONFIG_IEEE80211R */
959
47f72245
JM		 960#ifdef CONFIG_IEEE80211N
961 if (conf->ieee80211n && bss->wpa &&
962 !(bss->wpa_pairwise & WPA_CIPHER_CCMP) &&
963 !(bss->rsn_pairwise & WPA_CIPHER_CCMP)) {
10656fc2
JM		 964 wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) with WPA/WPA2 "
965 "requires CCMP to be enabled");
47f72245
JM		 966 return -1;
967 }
968#endif /* CONFIG_IEEE80211N */
969
6fc6879b
JM		 970 return 0;
971}
972
973
974static int hostapd_config_check(struct hostapd_config *conf)
975{
976 size_t i;
977
978 for (i = 0; i < conf->num_bss; i++) {
979 if (hostapd_config_check_bss(&conf->bss[i], conf))
980 return -1;
981 }
982
983 return 0;
984}
985
986
987static int hostapd_config_read_wep(struct hostapd_wep_keys *wep, int keyidx,
988 char *val)
989{
990 size_t len = os_strlen(val);
991
992 if (keyidx < 0 || keyidx > 3 || wep->key[keyidx] != NULL)
993 return -1;
994
995 if (val[0] == '"') {
996 if (len < 2 || val[len - 1] != '"')
997 return -1;
998 len -= 2;
999 wep->key[keyidx] = os_malloc(len);
1000 if (wep->key[keyidx] == NULL)
1001 return -1;
1002 os_memcpy(wep->key[keyidx], val + 1, len);
1003 wep->len[keyidx] = len;
1004 } else {
1005 if (len & 1)
1006 return -1;
1007 len /= 2;
1008 wep->key[keyidx] = os_malloc(len);
1009 if (wep->key[keyidx] == NULL)
1010 return -1;
1011 wep->len[keyidx] = len;
1012 if (hexstr2bin(val, wep->key[keyidx], len) < 0)
1013 return -1;
1014 }
1015
1016 wep->keys_set++;
1017
1018 return 0;
1019}
1020
1021
1022static int hostapd_parse_rates(int **rate_list, char *val)
1023{
1024 int *list;
1025 int count;
1026 char *pos, *end;
1027
1028 os_free(*rate_list);
1029 *rate_list = NULL;
1030
1031 pos = val;
1032 count = 0;
1033 while (*pos != '\0') {
1034 if (*pos == ' ')
1035 count++;
1036 pos++;
1037 }
1038
1039 list = os_malloc(sizeof(int) * (count + 2));
1040 if (list == NULL)
1041 return -1;
1042 pos = val;
1043 count = 0;
1044 while (*pos != '\0') {
1045 end = os_strchr(pos, ' ');
1046 if (end)
1047 *end = '\0';
1048
1049 list[count++] = atoi(pos);
1050 if (!end)
1051 break;
1052 pos = end + 1;
1053 }
1054 list[count] = -1;
1055
1056 *rate_list = list;
1057 return 0;
1058}
1059
1060
1061static int hostapd_config_bss(struct hostapd_config *conf, const char *ifname)
1062{
1063 struct hostapd_bss_config *bss;
1064
1065 if (*ifname == '\0')
1066 return -1;
1067
1068 bss = os_realloc(conf->bss, (conf->num_bss + 1) *
1069 sizeof(struct hostapd_bss_config));
1070 if (bss == NULL) {
10656fc2
JM		 1071 wpa_printf(MSG_ERROR, "Failed to allocate memory for "
1072 "multi-BSS entry");
6fc6879b
JM		 1073 return -1;
1074 }
1075 conf->bss = bss;
1076
1077 bss = &(conf->bss[conf->num_bss]);
1078 os_memset(bss, 0, sizeof(*bss));
1079 bss->radius = os_zalloc(sizeof(*bss->radius));
1080 if (bss->radius == NULL) {
10656fc2
JM		 1081 wpa_printf(MSG_ERROR, "Failed to allocate memory for "
1082 "multi-BSS RADIUS data");
6fc6879b
JM		 1083 return -1;
1084 }
1085
1086 conf->num_bss++;
1087 conf->last_bss = bss;
1088
1089 hostapd_config_defaults_bss(bss);
1090 os_strlcpy(bss->iface, ifname, sizeof(bss->iface));
1091 os_memcpy(bss->ssid.vlan, bss->iface, IFNAMSIZ + 1);
1092
1093 return 0;
1094}
1095
1096
1097static int valid_cw(int cw)
1098{
1099 return (cw == 1 || cw == 3 || cw == 7 || cw == 15 || cw == 31 ||
1100 cw == 63 || cw == 127 || cw == 255 || cw == 511 || cw == 1023);
1101}
1102
1103
1104enum {
1105 IEEE80211_TX_QUEUE_DATA0 = 0, /* used for EDCA AC_VO data */
1106 IEEE80211_TX_QUEUE_DATA1 = 1, /* used for EDCA AC_VI data */
1107 IEEE80211_TX_QUEUE_DATA2 = 2, /* used for EDCA AC_BE data */
1108 IEEE80211_TX_QUEUE_DATA3 = 3, /* used for EDCA AC_BK data */
1109 IEEE80211_TX_QUEUE_DATA4 = 4,
1110 IEEE80211_TX_QUEUE_AFTER_BEACON = 6,
1111 IEEE80211_TX_QUEUE_BEACON = 7
1112};
1113
1114static int hostapd_config_tx_queue(struct hostapd_config *conf, char *name,
1115 char *val)
1116{
1117 int num;
1118 char *pos;
1119 struct hostapd_tx_queue_params *queue;
1120
1121 /* skip 'tx_queue_' prefix */
1122 pos = name + 9;
1123 if (os_strncmp(pos, "data", 4) == 0 &&
1124 pos[4] >= '0' && pos[4] <= '9' && pos[5] == '_') {
1125 num = pos[4] - '0';
1126 pos += 6;
1127 } else if (os_strncmp(pos, "after_beacon_", 13) == 0) {
1128 num = IEEE80211_TX_QUEUE_AFTER_BEACON;
1129 pos += 13;
1130 } else if (os_strncmp(pos, "beacon_", 7) == 0) {
1131 num = IEEE80211_TX_QUEUE_BEACON;
1132 pos += 7;
1133 } else {
10656fc2 1134 wpa_printf(MSG_ERROR, "Unknown tx_queue name '%s'", pos);
6fc6879b
JM		 1135 return -1;
1136 }
1137
1138 queue = &conf->tx_queue[num];
1139
1140 if (os_strcmp(pos, "aifs") == 0) {
1141 queue->aifs = atoi(val);
1142 if (queue->aifs < 0 || queue->aifs > 255) {
10656fc2
JM		 1143 wpa_printf(MSG_ERROR, "Invalid AIFS value %d",
1144 queue->aifs);
6fc6879b
JM		 1145 return -1;
1146 }
1147 } else if (os_strcmp(pos, "cwmin") == 0) {
1148 queue->cwmin = atoi(val);
1149 if (!valid_cw(queue->cwmin)) {
10656fc2
JM		 1150 wpa_printf(MSG_ERROR, "Invalid cwMin value %d",
1151 queue->cwmin);
6fc6879b
JM		 1152 return -1;
1153 }
1154 } else if (os_strcmp(pos, "cwmax") == 0) {
1155 queue->cwmax = atoi(val);
1156 if (!valid_cw(queue->cwmax)) {
10656fc2
JM		 1157 wpa_printf(MSG_ERROR, "Invalid cwMax value %d",
1158 queue->cwmax);
6fc6879b
JM		 1159 return -1;
1160 }
1161 } else if (os_strcmp(pos, "burst") == 0) {
1162 queue->burst = hostapd_config_read_int10(val);
1163 } else {
10656fc2 1164 wpa_printf(MSG_ERROR, "Unknown tx_queue field '%s'", pos);
6fc6879b
JM		 1165 return -1;
1166 }
1167
1168 queue->configured = 1;
1169
1170 return 0;
1171}
1172
1173
1174static int hostapd_config_wme_ac(struct hostapd_config *conf, char *name,
1175 char *val)
1176{
1177 int num, v;
1178 char *pos;
1179 struct hostapd_wme_ac_params *ac;
1180
1181 /* skip 'wme_ac_' prefix */
1182 pos = name + 7;
1183 if (os_strncmp(pos, "be_", 3) == 0) {
1184 num = 0;
1185 pos += 3;
1186 } else if (os_strncmp(pos, "bk_", 3) == 0) {
1187 num = 1;
1188 pos += 3;
1189 } else if (os_strncmp(pos, "vi_", 3) == 0) {
1190 num = 2;
1191 pos += 3;
1192 } else if (os_strncmp(pos, "vo_", 3) == 0) {
1193 num = 3;
1194 pos += 3;
1195 } else {
10656fc2 1196 wpa_printf(MSG_ERROR, "Unknown wme name '%s'", pos);
6fc6879b
JM		 1197 return -1;
1198 }
1199
1200 ac = &conf->wme_ac_params[num];
1201
1202 if (os_strcmp(pos, "aifs") == 0) {
1203 v = atoi(val);
1204 if (v < 1 || v > 255) {
10656fc2 1205 wpa_printf(MSG_ERROR, "Invalid AIFS value %d", v);
6fc6879b
JM		 1206 return -1;
1207 }
1208 ac->aifs = v;
1209 } else if (os_strcmp(pos, "cwmin") == 0) {
1210 v = atoi(val);
1211 if (v < 0 || v > 12) {
10656fc2 1212 wpa_printf(MSG_ERROR, "Invalid cwMin value %d", v);
6fc6879b
JM		 1213 return -1;
1214 }
1215 ac->cwmin = v;
1216 } else if (os_strcmp(pos, "cwmax") == 0) {
1217 v = atoi(val);
1218 if (v < 0 || v > 12) {
10656fc2 1219 wpa_printf(MSG_ERROR, "Invalid cwMax value %d", v);
6fc6879b
JM		 1220 return -1;
1221 }
1222 ac->cwmax = v;
1223 } else if (os_strcmp(pos, "txop_limit") == 0) {
1224 v = atoi(val);
1225 if (v < 0 || v > 0xffff) {
10656fc2 1226 wpa_printf(MSG_ERROR, "Invalid txop value %d", v);
6fc6879b
JM		 1227 return -1;
1228 }
1229 ac->txopLimit = v;
1230 } else if (os_strcmp(pos, "acm") == 0) {
1231 v = atoi(val);
1232 if (v < 0 || v > 1) {
10656fc2 1233 wpa_printf(MSG_ERROR, "Invalid acm value %d", v);
6fc6879b
JM		 1234 return -1;
1235 }
1236 ac->admission_control_mandatory = v;
1237 } else {
10656fc2 1238 wpa_printf(MSG_ERROR, "Unknown wme_ac_ field '%s'", pos);
6fc6879b
JM		 1239 return -1;
1240 }
1241
1242 return 0;
1243}
1244
1245
1246#ifdef CONFIG_IEEE80211R
1247static int add_r0kh(struct hostapd_bss_config *bss, char *value)
1248{
1249 struct ft_remote_r0kh *r0kh;
1250 char *pos, *next;
1251
1252 r0kh = os_zalloc(sizeof(*r0kh));
1253 if (r0kh == NULL)
1254 return -1;
1255
1256 /* 02:01:02:03:04:05 a.example.com 000102030405060708090a0b0c0d0e0f */
1257 pos = value;
1258 next = os_strchr(pos, ' ');
1259 if (next)
1260 *next++ = '\0';
1261 if (next == NULL || hwaddr_aton(pos, r0kh->addr)) {
10656fc2 1262 wpa_printf(MSG_ERROR, "Invalid R0KH MAC address: '%s'", pos);
6fc6879b
JM		 1263 os_free(r0kh);
1264 return -1;
1265 }
1266
1267 pos = next;
1268 next = os_strchr(pos, ' ');
1269 if (next)
1270 *next++ = '\0';
1271 if (next == NULL || next - pos > FT_R0KH_ID_MAX_LEN) {
10656fc2 1272 wpa_printf(MSG_ERROR, "Invalid R0KH-ID: '%s'", pos);
6fc6879b
JM		 1273 os_free(r0kh);
1274 return -1;
1275 }
1276 r0kh->id_len = next - pos - 1;
1277 os_memcpy(r0kh->id, pos, r0kh->id_len);
1278
1279 pos = next;
1280 if (hexstr2bin(pos, r0kh->key, sizeof(r0kh->key))) {
10656fc2 1281 wpa_printf(MSG_ERROR, "Invalid R0KH key: '%s'", pos);
6fc6879b
JM		 1282 os_free(r0kh);
1283 return -1;
1284 }
1285
1286 r0kh->next = bss->r0kh_list;
1287 bss->r0kh_list = r0kh;
1288
1289 return 0;
1290}
1291
1292
1293static int add_r1kh(struct hostapd_bss_config *bss, char *value)
1294{
1295 struct ft_remote_r1kh *r1kh;
1296 char *pos, *next;
1297
1298 r1kh = os_zalloc(sizeof(*r1kh));
1299 if (r1kh == NULL)
1300 return -1;
1301
1302 /* 02:01:02:03:04:05 02:01:02:03:04:05
1303 * 000102030405060708090a0b0c0d0e0f */
1304 pos = value;
1305 next = os_strchr(pos, ' ');
1306 if (next)
1307 *next++ = '\0';
1308 if (next == NULL || hwaddr_aton(pos, r1kh->addr)) {
10656fc2 1309 wpa_printf(MSG_ERROR, "Invalid R1KH MAC address: '%s'", pos);
6fc6879b
JM		 1310 os_free(r1kh);
1311 return -1;
1312 }
1313
1314 pos = next;
1315 next = os_strchr(pos, ' ');
1316 if (next)
1317 *next++ = '\0';
1318 if (next == NULL || hwaddr_aton(pos, r1kh->id)) {
10656fc2 1319 wpa_printf(MSG_ERROR, "Invalid R1KH-ID: '%s'", pos);
6fc6879b
JM		 1320 os_free(r1kh);
1321 return -1;
1322 }
1323
1324 pos = next;
1325 if (hexstr2bin(pos, r1kh->key, sizeof(r1kh->key))) {
10656fc2 1326 wpa_printf(MSG_ERROR, "Invalid R1KH key: '%s'", pos);
6fc6879b
JM		 1327 os_free(r1kh);
1328 return -1;
1329 }
1330
1331 r1kh->next = bss->r1kh_list;
1332 bss->r1kh_list = r1kh;
1333
1334 return 0;
1335}
1336#endif /* CONFIG_IEEE80211R */
1337
1338
fc14f567
JM		 1339#ifdef CONFIG_IEEE80211N
1340static int hostapd_config_ht_capab(struct hostapd_config *conf,
1341 const char *capab)
1342{
1343 if (os_strstr(capab, "[LDPC]"))
1344 conf->ht_capab |= HT_CAP_INFO_LDPC_CODING_CAP;
a8d8410e 1345 if (os_strstr(capab, "[HT40-]")) {
fc14f567 1346 conf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
a8d8410e
JM		 1347 conf->secondary_channel = -1;
1348 }
1349 if (os_strstr(capab, "[HT40+]")) {
1350 conf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
1351 conf->secondary_channel = 1;
1352 }
fc14f567
JM		 1353 if (os_strstr(capab, "[SMPS-STATIC]")) {
1354 conf->ht_capab &= ~HT_CAP_INFO_SMPS_MASK;
1355 conf->ht_capab |= HT_CAP_INFO_SMPS_STATIC;
1356 }
1357 if (os_strstr(capab, "[SMPS-DYNAMIC]")) {
1358 conf->ht_capab &= ~HT_CAP_INFO_SMPS_MASK;
1359 conf->ht_capab |= HT_CAP_INFO_SMPS_DYNAMIC;
1360 }
1361 if (os_strstr(capab, "[GF]"))
1362 conf->ht_capab |= HT_CAP_INFO_GREEN_FIELD;
1363 if (os_strstr(capab, "[SHORT-GI-20]"))
1364 conf->ht_capab |= HT_CAP_INFO_SHORT_GI20MHZ;
1365 if (os_strstr(capab, "[SHORT-GI-40]"))
1366 conf->ht_capab |= HT_CAP_INFO_SHORT_GI40MHZ;
1367 if (os_strstr(capab, "[TX-STBC]"))
1368 conf->ht_capab |= HT_CAP_INFO_TX_STBC;
1369 if (os_strstr(capab, "[RX-STBC1]")) {
1370 conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1371 conf->ht_capab |= HT_CAP_INFO_RX_STBC_1;
1372 }
1373 if (os_strstr(capab, "[RX-STBC12]")) {
1374 conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1375 conf->ht_capab |= HT_CAP_INFO_RX_STBC_12;
1376 }
1377 if (os_strstr(capab, "[RX-STBC123]")) {
1378 conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1379 conf->ht_capab |= HT_CAP_INFO_RX_STBC_123;
1380 }
1381 if (os_strstr(capab, "[DELAYED-BA]"))
1382 conf->ht_capab |= HT_CAP_INFO_DELAYED_BA;
1383 if (os_strstr(capab, "[MAX-AMSDU-7935]"))
1384 conf->ht_capab |= HT_CAP_INFO_MAX_AMSDU_SIZE;
1385 if (os_strstr(capab, "[DSSS_CCK-40]"))
1386 conf->ht_capab |= HT_CAP_INFO_DSSS_CCK40MHZ;
1387 if (os_strstr(capab, "[PSMP]"))
1388 conf->ht_capab |= HT_CAP_INFO_PSMP_SUPP;
1389 if (os_strstr(capab, "[LSIG-TXOP-PROT]"))
1390 conf->ht_capab |= HT_CAP_INFO_LSIG_TXOP_PROTECT_SUPPORT;
1391
1392 return 0;
1393}
1394#endif /* CONFIG_IEEE80211N */
1395
1396
1c6e69cc
JM		 1397/**
1398 * hostapd_config_read - Read and parse a configuration file
1399 * @fname: Configuration file name (including path, if needed)
1400 * Returns: Allocated configuration data structure
1401 */
6fc6879b
JM		 1402struct hostapd_config * hostapd_config_read(const char *fname)
1403{
1404 struct hostapd_config *conf;
1405 struct hostapd_bss_config *bss;
1406 FILE *f;
1407 char buf[256], *pos;
1408 int line = 0;
1409 int errors = 0;
1410 int pairwise;
1411 size_t i;
1412
1413 f = fopen(fname, "r");
1414 if (f == NULL) {
10656fc2
JM		 1415 wpa_printf(MSG_ERROR, "Could not open configuration file '%s' "
1416 "for reading.", fname);
6fc6879b
JM		 1417 return NULL;
1418 }
1419
1420 conf = hostapd_config_defaults();
1421 if (conf == NULL) {
1422 fclose(f);
1423 return NULL;
1424 }
1425 bss = conf->last_bss = conf->bss;
1426
1427 while (fgets(buf, sizeof(buf), f)) {
1428 bss = conf->last_bss;
1429 line++;
1430
1431 if (buf[0] == '#')
1432 continue;
1433 pos = buf;
1434 while (*pos != '\0') {
1435 if (*pos == '\n') {
1436 *pos = '\0';
1437 break;
1438 }
1439 pos++;
1440 }
1441 if (buf[0] == '\0')
1442 continue;
1443
1444 pos = os_strchr(buf, '=');
1445 if (pos == NULL) {
10656fc2
JM		 1446 wpa_printf(MSG_ERROR, "Line %d: invalid line '%s'",
1447 line, buf);
6fc6879b
JM		 1448 errors++;
1449 continue;
1450 }
1451 *pos = '\0';
1452 pos++;
1453
1454 if (os_strcmp(buf, "interface") == 0) {
1455 os_strlcpy(conf->bss[0].iface, pos,
1456 sizeof(conf->bss[0].iface));
1457 } else if (os_strcmp(buf, "bridge") == 0) {
1458 os_strlcpy(bss->bridge, pos, sizeof(bss->bridge));
1459 } else if (os_strcmp(buf, "driver") == 0) {
1460 int i;
1461 /* clear to get error below if setting is invalid */
1462 conf->driver = NULL;
1463 for (i = 0; hostapd_drivers[i]; i++) {
1464 if (os_strcmp(pos, hostapd_drivers[i]->name) ==
1465 0) {
1466 conf->driver = hostapd_drivers[i];
1467 break;
1468 }
1469 }
1470 if (conf->driver == NULL) {
10656fc2
JM		 1471 wpa_printf(MSG_ERROR, "Line %d: invalid/"
1472 "unknown driver '%s'", line, pos);
6fc6879b
JM		 1473 errors++;
1474 }
1475 } else if (os_strcmp(buf, "debug") == 0) {
1476 wpa_printf(MSG_DEBUG, "Line %d: DEPRECATED: 'debug' "
1477 "configuration variable is not used "
1478 "anymore", line);
1479 } else if (os_strcmp(buf, "logger_syslog_level") == 0) {
1480 bss->logger_syslog_level = atoi(pos);
1481 } else if (os_strcmp(buf, "logger_stdout_level") == 0) {
1482 bss->logger_stdout_level = atoi(pos);
1483 } else if (os_strcmp(buf, "logger_syslog") == 0) {
1484 bss->logger_syslog = atoi(pos);
1485 } else if (os_strcmp(buf, "logger_stdout") == 0) {
1486 bss->logger_stdout = atoi(pos);
1487 } else if (os_strcmp(buf, "dump_file") == 0) {
1488 bss->dump_log_name = os_strdup(pos);
1489 } else if (os_strcmp(buf, "ssid") == 0) {
1490 bss->ssid.ssid_len = os_strlen(pos);
1491 if (bss->ssid.ssid_len > HOSTAPD_MAX_SSID_LEN ||
1492 bss->ssid.ssid_len < 1) {
10656fc2
JM		 1493 wpa_printf(MSG_ERROR, "Line %d: invalid SSID "
1494 "'%s'", line, pos);
6fc6879b
JM		 1495 errors++;
1496 } else {
1497 os_memcpy(bss->ssid.ssid, pos,
1498 bss->ssid.ssid_len);
1499 bss->ssid.ssid[bss->ssid.ssid_len] = '\0';
1500 bss->ssid.ssid_set = 1;
1501 }
1502 } else if (os_strcmp(buf, "macaddr_acl") == 0) {
1503 bss->macaddr_acl = atoi(pos);
1504 if (bss->macaddr_acl != ACCEPT_UNLESS_DENIED &&
1505 bss->macaddr_acl != DENY_UNLESS_ACCEPTED &&
1506 bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH) {
10656fc2
JM		 1507 wpa_printf(MSG_ERROR, "Line %d: unknown "
1508 "macaddr_acl %d",
1509 line, bss->macaddr_acl);
6fc6879b
JM		 1510 }
1511 } else if (os_strcmp(buf, "accept_mac_file") == 0) {
1512 if (hostapd_config_read_maclist(pos, &bss->accept_mac,
1513 &bss->num_accept_mac))
1514 {
10656fc2
JM		 1515 wpa_printf(MSG_ERROR, "Line %d: Failed to "
1516 "read accept_mac_file '%s'",
1517 line, pos);
6fc6879b
JM		 1518 errors++;
1519 }
1520 } else if (os_strcmp(buf, "deny_mac_file") == 0) {
1521 if (hostapd_config_read_maclist(pos, &bss->deny_mac,
10656fc2
JM		 1522 &bss->num_deny_mac)) {
1523 wpa_printf(MSG_ERROR "Line %d: Failed to read "
1524 "deny_mac_file '%s'", line, pos);
6fc6879b
JM		 1525 errors++;
1526 }
1527 } else if (os_strcmp(buf, "ap_max_inactivity") == 0) {
1528 bss->ap_max_inactivity = atoi(pos);
1529 } else if (os_strcmp(buf, "country_code") == 0) {
1530 os_memcpy(conf->country, pos, 2);
1531 /* FIX: make this configurable */
1532 conf->country[2] = ' ';
1533 } else if (os_strcmp(buf, "ieee80211d") == 0) {
1534 conf->ieee80211d = atoi(pos);
6fc6879b
JM		 1535 } else if (os_strcmp(buf, "ieee8021x") == 0) {
1536 bss->ieee802_1x = atoi(pos);
1537 } else if (os_strcmp(buf, "eapol_version") == 0) {
1538 bss->eapol_version = atoi(pos);
1539 if (bss->eapol_version < 1 ||
1540 bss->eapol_version > 2) {
10656fc2
JM		 1541 wpa_printf(MSG_ERROR, "Line %d: invalid EAPOL "
1542 "version (%d): '%s'.",
1543 line, bss->eapol_version, pos);
6fc6879b
JM		 1544 errors++;
1545 } else
1546 wpa_printf(MSG_DEBUG, "eapol_version=%d",
1547 bss->eapol_version);
1548#ifdef EAP_SERVER
1549 } else if (os_strcmp(buf, "eap_authenticator") == 0) {
1550 bss->eap_server = atoi(pos);
10656fc2
JM		 1551 wpa_printf(MSG_ERROR, "Line %d: obsolete "
1552 "eap_authenticator used; this has been "
1553 "renamed to eap_server", line);
6fc6879b
JM		 1554 } else if (os_strcmp(buf, "eap_server") == 0) {
1555 bss->eap_server = atoi(pos);
1556 } else if (os_strcmp(buf, "eap_user_file") == 0) {
1557 if (hostapd_config_read_eap_user(pos, bss))
1558 errors++;
1559 } else if (os_strcmp(buf, "ca_cert") == 0) {
1560 os_free(bss->ca_cert);
1561 bss->ca_cert = os_strdup(pos);
1562 } else if (os_strcmp(buf, "server_cert") == 0) {
1563 os_free(bss->server_cert);
1564 bss->server_cert = os_strdup(pos);
1565 } else if (os_strcmp(buf, "private_key") == 0) {
1566 os_free(bss->private_key);
1567 bss->private_key = os_strdup(pos);
1568 } else if (os_strcmp(buf, "private_key_passwd") == 0) {
1569 os_free(bss->private_key_passwd);
1570 bss->private_key_passwd = os_strdup(pos);
1571 } else if (os_strcmp(buf, "check_crl") == 0) {
1572 bss->check_crl = atoi(pos);
1573 } else if (os_strcmp(buf, "dh_file") == 0) {
1574 os_free(bss->dh_file);
1575 bss->dh_file = os_strdup(pos);
1576#ifdef EAP_FAST
1577 } else if (os_strcmp(buf, "pac_opaque_encr_key") == 0) {
1578 os_free(bss->pac_opaque_encr_key);
1579 bss->pac_opaque_encr_key = os_malloc(16);
1580 if (bss->pac_opaque_encr_key == NULL) {
10656fc2
JM		 1581 wpa_printf(MSG_ERROR, "Line %d: No memory for "
1582 "pac_opaque_encr_key", line);
6fc6879b
JM		 1583 errors++;
1584 } else if (hexstr2bin(pos, bss->pac_opaque_encr_key,
1585 16)) {
10656fc2
JM		 1586 wpa_printf(MSG_ERROR, "Line %d: Invalid "
1587 "pac_opaque_encr_key", line);
6fc6879b
JM		 1588 errors++;
1589 }
1590 } else if (os_strcmp(buf, "eap_fast_a_id") == 0) {
2d867244
JM		 1591 size_t idlen = os_strlen(pos);
1592 if (idlen & 1) {
10656fc2
JM		 1593 wpa_printf(MSG_ERROR, "Line %d: Invalid "
1594 "eap_fast_a_id", line);
2d867244
JM		 1595 errors++;
1596 } else {
1597 os_free(bss->eap_fast_a_id);
1598 bss->eap_fast_a_id = os_malloc(idlen / 2);
1599 if (bss->eap_fast_a_id == NULL ||
1600 hexstr2bin(pos, bss->eap_fast_a_id,
1601 idlen / 2)) {
10656fc2
JM		 1602 wpa_printf(MSG_ERROR, "Line %d: "
1603 "Failed to parse "
1604 "eap_fast_a_id", line);
2d867244
JM		 1605 errors++;
1606 } else
1607 bss->eap_fast_a_id_len = idlen / 2;
1608 }
1609 } else if (os_strcmp(buf, "eap_fast_a_id_info") == 0) {
1610 os_free(bss->eap_fast_a_id_info);
1611 bss->eap_fast_a_id_info = os_strdup(pos);
378eae5e
JM		 1612 } else if (os_strcmp(buf, "eap_fast_prov") == 0) {
1613 bss->eap_fast_prov = atoi(pos);
a11c90a6
JM		 1614 } else if (os_strcmp(buf, "pac_key_lifetime") == 0) {
1615 bss->pac_key_lifetime = atoi(pos);
1616 } else if (os_strcmp(buf, "pac_key_refresh_time") == 0) {
1617 bss->pac_key_refresh_time = atoi(pos);
6fc6879b
JM		 1618#endif /* EAP_FAST */
1619#ifdef EAP_SIM
1620 } else if (os_strcmp(buf, "eap_sim_db") == 0) {
1621 os_free(bss->eap_sim_db);
1622 bss->eap_sim_db = os_strdup(pos);
1623 } else if (os_strcmp(buf, "eap_sim_aka_result_ind") == 0) {
1624 bss->eap_sim_aka_result_ind = atoi(pos);
1625#endif /* EAP_SIM */
da08a7c7
JM		 1626#ifdef EAP_TNC
1627 } else if (os_strcmp(buf, "tnc") == 0) {
1628 bss->tnc = atoi(pos);
1629#endif /* EAP_TNC */
6fc6879b
JM		 1630#endif /* EAP_SERVER */
1631 } else if (os_strcmp(buf, "eap_message") == 0) {
1632 char *term;
1633 bss->eap_req_id_text = os_strdup(pos);
1634 if (bss->eap_req_id_text == NULL) {
10656fc2
JM		 1635 wpa_printf(MSG_ERROR, "Line %d: Failed to "
1636 "allocate memory for "
1637 "eap_req_id_text", line);
6fc6879b
JM		 1638 errors++;
1639 continue;
1640 }
1641 bss->eap_req_id_text_len =
1642 os_strlen(bss->eap_req_id_text);
1643 term = os_strstr(bss->eap_req_id_text, "\\0");
1644 if (term) {
1645 *term++ = '\0';
1646 os_memmove(term, term + 1,
1647 bss->eap_req_id_text_len -
1648 (term - bss->eap_req_id_text) - 1);
1649 bss->eap_req_id_text_len--;
1650 }
1651 } else if (os_strcmp(buf, "wep_key_len_broadcast") == 0) {
1652 bss->default_wep_key_len = atoi(pos);
1653 if (bss->default_wep_key_len > 13) {
10656fc2
JM		 1654 wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
1655 "key len %lu (= %lu bits)", line,
1656 (unsigned long)
1657 bss->default_wep_key_len,
1658 (unsigned long)
1659 bss->default_wep_key_len * 8);
6fc6879b
JM		 1660 errors++;
1661 }
1662 } else if (os_strcmp(buf, "wep_key_len_unicast") == 0) {
1663 bss->individual_wep_key_len = atoi(pos);
1664 if (bss->individual_wep_key_len < 0 ||
1665 bss->individual_wep_key_len > 13) {
10656fc2
JM		 1666 wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
1667 "key len %d (= %d bits)", line,
1668 bss->individual_wep_key_len,
1669 bss->individual_wep_key_len * 8);
6fc6879b
JM		 1670 errors++;
1671 }
1672 } else if (os_strcmp(buf, "wep_rekey_period") == 0) {
1673 bss->wep_rekeying_period = atoi(pos);
1674 if (bss->wep_rekeying_period < 0) {
10656fc2
JM		 1675 wpa_printf(MSG_ERROR, "Line %d: invalid "
1676 "period %d",
1677 line, bss->wep_rekeying_period);
6fc6879b
JM		 1678 errors++;
1679 }
1680 } else if (os_strcmp(buf, "eap_reauth_period") == 0) {
1681 bss->eap_reauth_period = atoi(pos);
1682 if (bss->eap_reauth_period < 0) {
10656fc2
JM		 1683 wpa_printf(MSG_ERROR, "Line %d: invalid "
1684 "period %d",
1685 line, bss->eap_reauth_period);
6fc6879b
JM		 1686 errors++;
1687 }
1688 } else if (os_strcmp(buf, "eapol_key_index_workaround") == 0) {
1689 bss->eapol_key_index_workaround = atoi(pos);
1690#ifdef CONFIG_IAPP
1691 } else if (os_strcmp(buf, "iapp_interface") == 0) {
1692 bss->ieee802_11f = 1;
1693 os_strlcpy(bss->iapp_iface, pos,
1694 sizeof(bss->iapp_iface));
1695#endif /* CONFIG_IAPP */
1696 } else if (os_strcmp(buf, "own_ip_addr") == 0) {
1697 if (hostapd_parse_ip_addr(pos, &bss->own_ip_addr)) {
10656fc2
JM		 1698 wpa_printf(MSG_ERROR, "Line %d: invalid IP "
1699 "address '%s'", line, pos);
6fc6879b
JM		 1700 errors++;
1701 }
1702 } else if (os_strcmp(buf, "nas_identifier") == 0) {
1703 bss->nas_identifier = os_strdup(pos);
27750f29 1704#ifndef CONFIG_NO_RADIUS
6fc6879b
JM		 1705 } else if (os_strcmp(buf, "auth_server_addr") == 0) {
1706 if (hostapd_config_read_radius_addr(
1707 &bss->radius->auth_servers,
1708 &bss->radius->num_auth_servers, pos, 1812,
1709 &bss->radius->auth_server)) {
10656fc2
JM		 1710 wpa_printf(MSG_ERROR, "Line %d: invalid IP "
1711 "address '%s'", line, pos);
6fc6879b
JM		 1712 errors++;
1713 }
1714 } else if (bss->radius->auth_server &&
1715 os_strcmp(buf, "auth_server_port") == 0) {
1716 bss->radius->auth_server->port = atoi(pos);
1717 } else if (bss->radius->auth_server &&
1718 os_strcmp(buf, "auth_server_shared_secret") == 0) {
1719 int len = os_strlen(pos);
1720 if (len == 0) {
1721 /* RFC 2865, Ch. 3 */
10656fc2
JM		 1722 wpa_printf(MSG_ERROR, "Line %d: empty shared "
1723 "secret is not allowed.", line);
6fc6879b
JM		 1724 errors++;
1725 }
1726 bss->radius->auth_server->shared_secret =
1727 (u8 *) os_strdup(pos);
1728 bss->radius->auth_server->shared_secret_len = len;
1729 } else if (os_strcmp(buf, "acct_server_addr") == 0) {
1730 if (hostapd_config_read_radius_addr(
1731 &bss->radius->acct_servers,
1732 &bss->radius->num_acct_servers, pos, 1813,
1733 &bss->radius->acct_server)) {
10656fc2
JM		 1734 wpa_printf(MSG_ERROR, "Line %d: invalid IP "
1735 "address '%s'", line, pos);
6fc6879b
JM		 1736 errors++;
1737 }
1738 } else if (bss->radius->acct_server &&
1739 os_strcmp(buf, "acct_server_port") == 0) {
1740 bss->radius->acct_server->port = atoi(pos);
1741 } else if (bss->radius->acct_server &&
1742 os_strcmp(buf, "acct_server_shared_secret") == 0) {
1743 int len = os_strlen(pos);
1744 if (len == 0) {
1745 /* RFC 2865, Ch. 3 */
10656fc2
JM		 1746 wpa_printf(MSG_ERROR, "Line %d: empty shared "
1747 "secret is not allowed.", line);
6fc6879b
JM		 1748 errors++;
1749 }
1750 bss->radius->acct_server->shared_secret =
1751 (u8 *) os_strdup(pos);
1752 bss->radius->acct_server->shared_secret_len = len;
1753 } else if (os_strcmp(buf, "radius_retry_primary_interval") ==
1754 0) {
1755 bss->radius->retry_primary_interval = atoi(pos);
1756 } else if (os_strcmp(buf, "radius_acct_interim_interval") == 0)
1757 {
1758 bss->radius->acct_interim_interval = atoi(pos);
27750f29 1759#endif /* CONFIG_NO_RADIUS */
6fc6879b
JM		 1760 } else if (os_strcmp(buf, "auth_algs") == 0) {
1761 bss->auth_algs = atoi(pos);
1762 if (bss->auth_algs == 0) {
10656fc2
JM		 1763 wpa_printf(MSG_ERROR, "Line %d: no "
1764 "authentication algorithms allowed",
1765 line);
6fc6879b
JM		 1766 errors++;
1767 }
1768 } else if (os_strcmp(buf, "max_num_sta") == 0) {
1769 bss->max_num_sta = atoi(pos);
1770 if (bss->max_num_sta < 0 ||
1771 bss->max_num_sta > MAX_STA_COUNT) {
10656fc2
JM		 1772 wpa_printf(MSG_ERROR, "Line %d: Invalid "
1773 "max_num_sta=%d; allowed range "
1774 "0..%d", line, bss->max_num_sta,
1775 MAX_STA_COUNT);
6fc6879b
JM		 1776 errors++;
1777 }
1778 } else if (os_strcmp(buf, "wpa") == 0) {
1779 bss->wpa = atoi(pos);
1780 } else if (os_strcmp(buf, "wpa_group_rekey") == 0) {
1781 bss->wpa_group_rekey = atoi(pos);
1782 } else if (os_strcmp(buf, "wpa_strict_rekey") == 0) {
1783 bss->wpa_strict_rekey = atoi(pos);
1784 } else if (os_strcmp(buf, "wpa_gmk_rekey") == 0) {
1785 bss->wpa_gmk_rekey = atoi(pos);
581a8cde
JM		 1786 } else if (os_strcmp(buf, "wpa_ptk_rekey") == 0) {
1787 bss->wpa_ptk_rekey = atoi(pos);
6fc6879b
JM		 1788 } else if (os_strcmp(buf, "wpa_passphrase") == 0) {
1789 int len = os_strlen(pos);
1790 if (len < 8 || len > 63) {
10656fc2
JM		 1791 wpa_printf(MSG_ERROR, "Line %d: invalid WPA "
1792 "passphrase length %d (expected "
1793 "8..63)", line, len);
6fc6879b
JM		 1794 errors++;
1795 } else {
1796 os_free(bss->ssid.wpa_passphrase);
1797 bss->ssid.wpa_passphrase = os_strdup(pos);
1798 }
1799 } else if (os_strcmp(buf, "wpa_psk") == 0) {
1800 os_free(bss->ssid.wpa_psk);
1801 bss->ssid.wpa_psk =
1802 os_zalloc(sizeof(struct hostapd_wpa_psk));
1803 if (bss->ssid.wpa_psk == NULL)
1804 errors++;
1805 else if (hexstr2bin(pos, bss->ssid.wpa_psk->psk,
1806 PMK_LEN) ||
1807 pos[PMK_LEN * 2] != '\0') {
10656fc2
JM		 1808 wpa_printf(MSG_ERROR, "Line %d: Invalid PSK "
1809 "'%s'.", line, pos);
6fc6879b
JM		 1810 errors++;
1811 } else {
1812 bss->ssid.wpa_psk->group = 1;
1813 }
1814 } else if (os_strcmp(buf, "wpa_psk_file") == 0) {
1815 os_free(bss->ssid.wpa_psk_file);
1816 bss->ssid.wpa_psk_file = os_strdup(pos);
1817 if (!bss->ssid.wpa_psk_file) {
10656fc2
JM		 1818 wpa_printf(MSG_ERROR, "Line %d: allocation "
1819 "failed", line);
6fc6879b
JM		 1820 errors++;
1821 }
1822 } else if (os_strcmp(buf, "wpa_key_mgmt") == 0) {
1823 bss->wpa_key_mgmt =
1824 hostapd_config_parse_key_mgmt(line, pos);
1825 if (bss->wpa_key_mgmt == -1)
1826 errors++;
1827 } else if (os_strcmp(buf, "wpa_pairwise") == 0) {
1828 bss->wpa_pairwise =
1829 hostapd_config_parse_cipher(line, pos);
1830 if (bss->wpa_pairwise == -1 ||
1831 bss->wpa_pairwise == 0)
1832 errors++;
1833 else if (bss->wpa_pairwise &
1834 (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 |
1835 WPA_CIPHER_WEP104)) {
10656fc2
JM		 1836 wpa_printf(MSG_ERROR, "Line %d: unsupported "
1837 "pairwise cipher suite '%s'",
1838 bss->wpa_pairwise, pos);
6fc6879b
JM		 1839 errors++;
1840 }
1841 } else if (os_strcmp(buf, "rsn_pairwise") == 0) {
1842 bss->rsn_pairwise =
1843 hostapd_config_parse_cipher(line, pos);
1844 if (bss->rsn_pairwise == -1 ||
1845 bss->rsn_pairwise == 0)
1846 errors++;
1847 else if (bss->rsn_pairwise &
1848 (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 |
1849 WPA_CIPHER_WEP104)) {
10656fc2
JM		 1850 wpa_printf(MSG_ERROR, "Line %d: unsupported "
1851 "pairwise cipher suite '%s'",
1852 bss->rsn_pairwise, pos);
6fc6879b
JM		 1853 errors++;
1854 }
1855#ifdef CONFIG_RSN_PREAUTH
1856 } else if (os_strcmp(buf, "rsn_preauth") == 0) {
1857 bss->rsn_preauth = atoi(pos);
1858 } else if (os_strcmp(buf, "rsn_preauth_interfaces") == 0) {
1859 bss->rsn_preauth_interfaces = os_strdup(pos);
1860#endif /* CONFIG_RSN_PREAUTH */
1861#ifdef CONFIG_PEERKEY
1862 } else if (os_strcmp(buf, "peerkey") == 0) {
1863 bss->peerkey = atoi(pos);
1864#endif /* CONFIG_PEERKEY */
1865#ifdef CONFIG_IEEE80211R
1866 } else if (os_strcmp(buf, "mobility_domain") == 0) {
1867 if (os_strlen(pos) != 2 * MOBILITY_DOMAIN_ID_LEN ||
1868 hexstr2bin(pos, bss->mobility_domain,
1869 MOBILITY_DOMAIN_ID_LEN) != 0) {
1870 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
1871 "mobility_domain '%s'", line, pos);
1872 errors++;
1873 continue;
1874 }
1875 } else if (os_strcmp(buf, "r1_key_holder") == 0) {
1876 if (os_strlen(pos) != 2 * FT_R1KH_ID_LEN ||
1877 hexstr2bin(pos, bss->r1_key_holder,
1878 FT_R1KH_ID_LEN) != 0) {
1879 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
1880 "r1_key_holder '%s'", line, pos);
1881 errors++;
1882 continue;
1883 }
1884 } else if (os_strcmp(buf, "r0_key_lifetime") == 0) {
1885 bss->r0_key_lifetime = atoi(pos);
1886 } else if (os_strcmp(buf, "reassociation_deadline") == 0) {
1887 bss->reassociation_deadline = atoi(pos);
1888 } else if (os_strcmp(buf, "r0kh") == 0) {
1889 if (add_r0kh(bss, pos) < 0) {
1890 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
1891 "r0kh '%s'", line, pos);
1892 errors++;
1893 continue;
1894 }
1895 } else if (os_strcmp(buf, "r1kh") == 0) {
1896 if (add_r1kh(bss, pos) < 0) {
1897 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
1898 "r1kh '%s'", line, pos);
1899 errors++;
1900 continue;
1901 }
1902 } else if (os_strcmp(buf, "pmk_r1_push") == 0) {
1903 bss->pmk_r1_push = atoi(pos);
1904#endif /* CONFIG_IEEE80211R */
1905 } else if (os_strcmp(buf, "ctrl_interface") == 0) {
1906 os_free(bss->ctrl_interface);
1907 bss->ctrl_interface = os_strdup(pos);
1908 } else if (os_strcmp(buf, "ctrl_interface_group") == 0) {
1909#ifndef CONFIG_NATIVE_WINDOWS
1910 struct group *grp;
1911 char *endp;
1912 const char *group = pos;
1913
1914 grp = getgrnam(group);
1915 if (grp) {
1916 bss->ctrl_interface_gid = grp->gr_gid;
1917 bss->ctrl_interface_gid_set = 1;
1918 wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d"
1919 " (from group name '%s')",
1920 bss->ctrl_interface_gid, group);
1921 continue;
1922 }
1923
1924 /* Group name not found - try to parse this as gid */
1925 bss->ctrl_interface_gid = strtol(group, &endp, 10);
1926 if (*group == '\0' || *endp != '\0') {
1927 wpa_printf(MSG_DEBUG, "Line %d: Invalid group "
1928 "'%s'", line, group);
1929 errors++;
1930 continue;
1931 }
1932 bss->ctrl_interface_gid_set = 1;
1933 wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d",
1934 bss->ctrl_interface_gid);
1935#endif /* CONFIG_NATIVE_WINDOWS */
1936#ifdef RADIUS_SERVER
1937 } else if (os_strcmp(buf, "radius_server_clients") == 0) {
1938 os_free(bss->radius_server_clients);
1939 bss->radius_server_clients = os_strdup(pos);
1940 } else if (os_strcmp(buf, "radius_server_auth_port") == 0) {
1941 bss->radius_server_auth_port = atoi(pos);
1942 } else if (os_strcmp(buf, "radius_server_ipv6") == 0) {
1943 bss->radius_server_ipv6 = atoi(pos);
1944#endif /* RADIUS_SERVER */
1945 } else if (os_strcmp(buf, "test_socket") == 0) {
1946 os_free(bss->test_socket);
1947 bss->test_socket = os_strdup(pos);
1948 } else if (os_strcmp(buf, "use_pae_group_addr") == 0) {
1949 bss->use_pae_group_addr = atoi(pos);
1950 } else if (os_strcmp(buf, "hw_mode") == 0) {
1951 if (os_strcmp(pos, "a") == 0)
1952 conf->hw_mode = HOSTAPD_MODE_IEEE80211A;
1953 else if (os_strcmp(pos, "b") == 0)
1954 conf->hw_mode = HOSTAPD_MODE_IEEE80211B;
1955 else if (os_strcmp(pos, "g") == 0)
1956 conf->hw_mode = HOSTAPD_MODE_IEEE80211G;
1957 else {
10656fc2
JM		 1958 wpa_printf(MSG_ERROR, "Line %d: unknown "
1959 "hw_mode '%s'", line, pos);
6fc6879b
JM		 1960 errors++;
1961 }
1962 } else if (os_strcmp(buf, "channel") == 0) {
1963 conf->channel = atoi(pos);
1964 } else if (os_strcmp(buf, "beacon_int") == 0) {
1965 int val = atoi(pos);
1966 /* MIB defines range as 1..65535, but very small values
1967 * cause problems with the current implementation.
1968 * Since it is unlikely that this small numbers are
1969 * useful in real life scenarios, do not allow beacon
1970 * period to be set below 15 TU. */
1971 if (val < 15 || val > 65535) {
10656fc2
JM		 1972 wpa_printf(MSG_ERROR, "Line %d: invalid "
1973 "beacon_int %d (expected "
1974 "15..65535)", line, val);
6fc6879b
JM		 1975 errors++;
1976 } else
1977 conf->beacon_int = val;
1978 } else if (os_strcmp(buf, "dtim_period") == 0) {
1979 bss->dtim_period = atoi(pos);
1980 if (bss->dtim_period < 1 || bss->dtim_period > 255) {
10656fc2
JM		 1981 wpa_printf(MSG_ERROR, "Line %d: invalid "
1982 "dtim_period %d",
1983 line, bss->dtim_period);
6fc6879b
JM		 1984 errors++;
1985 }
1986 } else if (os_strcmp(buf, "rts_threshold") == 0) {
1987 conf->rts_threshold = atoi(pos);
1988 if (conf->rts_threshold < 0 ||
1989 conf->rts_threshold > 2347) {
10656fc2
JM		 1990 wpa_printf(MSG_ERROR, "Line %d: invalid "
1991 "rts_threshold %d",
1992 line, conf->rts_threshold);
6fc6879b
JM		 1993 errors++;
1994 }
1995 } else if (os_strcmp(buf, "fragm_threshold") == 0) {
1996 conf->fragm_threshold = atoi(pos);
1997 if (conf->fragm_threshold < 256 ||
1998 conf->fragm_threshold > 2346) {
10656fc2
JM		 1999 wpa_printf(MSG_ERROR, "Line %d: invalid "
2000 "fragm_threshold %d",
2001 line, conf->fragm_threshold);
6fc6879b
JM		 2002 errors++;
2003 }
2004 } else if (os_strcmp(buf, "send_probe_response") == 0) {
2005 int val = atoi(pos);
2006 if (val != 0 && val != 1) {
10656fc2
JM		 2007 wpa_printf(MSG_ERROR, "Line %d: invalid "
2008 "send_probe_response %d (expected "
2009 "0 or 1)", line, val);
6fc6879b
JM		 2010 } else
2011 conf->send_probe_response = val;
2012 } else if (os_strcmp(buf, "supported_rates") == 0) {
2013 if (hostapd_parse_rates(&conf->supported_rates, pos)) {
10656fc2
JM		 2014 wpa_printf(MSG_ERROR, "Line %d: invalid rate "
2015 "list", line);
6fc6879b
JM		 2016 errors++;
2017 }
2018 } else if (os_strcmp(buf, "basic_rates") == 0) {
2019 if (hostapd_parse_rates(&conf->basic_rates, pos)) {
10656fc2
JM		 2020 wpa_printf(MSG_ERROR, "Line %d: invalid rate "
2021 "list", line);
6fc6879b
JM		 2022 errors++;
2023 }
839faf04
JM		 2024 } else if (os_strcmp(buf, "preamble") == 0) {
2025 if (atoi(pos))
2026 conf->preamble = SHORT_PREAMBLE;
2027 else
2028 conf->preamble = LONG_PREAMBLE;
6fc6879b
JM		 2029 } else if (os_strcmp(buf, "ignore_broadcast_ssid") == 0) {
2030 bss->ignore_broadcast_ssid = atoi(pos);
2031 } else if (os_strcmp(buf, "bridge_packets") == 0) {
2032 conf->bridge_packets = atoi(pos);
2033 } else if (os_strcmp(buf, "wep_default_key") == 0) {
2034 bss->ssid.wep.idx = atoi(pos);
2035 if (bss->ssid.wep.idx > 3) {
10656fc2
JM		 2036 wpa_printf(MSG_ERROR, "Invalid "
2037 "wep_default_key index %d",
2038 bss->ssid.wep.idx);
6fc6879b
JM		 2039 errors++;
2040 }
2041 } else if (os_strcmp(buf, "wep_key0") == 0 ||
2042 os_strcmp(buf, "wep_key1") == 0 ||
2043 os_strcmp(buf, "wep_key2") == 0 ||
2044 os_strcmp(buf, "wep_key3") == 0) {
2045 if (hostapd_config_read_wep(&bss->ssid.wep,
2046 buf[7] - '0', pos)) {
10656fc2
JM		 2047 wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
2048 "key '%s'", line, buf);
6fc6879b
JM		 2049 errors++;
2050 }
30b32314 2051#ifndef CONFIG_NO_VLAN
6fc6879b
JM		 2052 } else if (os_strcmp(buf, "dynamic_vlan") == 0) {
2053 bss->ssid.dynamic_vlan = atoi(pos);
2054 } else if (os_strcmp(buf, "vlan_file") == 0) {
2055 if (hostapd_config_read_vlan_file(bss, pos)) {
10656fc2
JM		 2056 wpa_printf(MSG_ERROR, "Line %d: failed to "
2057 "read VLAN file '%s'", line, pos);
6fc6879b
JM		 2058 errors++;
2059 }
2060#ifdef CONFIG_FULL_DYNAMIC_VLAN
2061 } else if (os_strcmp(buf, "vlan_tagged_interface") == 0) {
2062 bss->ssid.vlan_tagged_interface = os_strdup(pos);
2063#endif /* CONFIG_FULL_DYNAMIC_VLAN */
30b32314 2064#endif /* CONFIG_NO_VLAN */
6fc6879b
JM		 2065 } else if (os_strcmp(buf, "passive_scan_interval") == 0) {
2066 conf->passive_scan_interval = atoi(pos);
2067 } else if (os_strcmp(buf, "passive_scan_listen") == 0) {
2068 conf->passive_scan_listen = atoi(pos);
2069 } else if (os_strcmp(buf, "passive_scan_mode") == 0) {
2070 conf->passive_scan_mode = atoi(pos);
2071 } else if (os_strcmp(buf, "ap_table_max_size") == 0) {
2072 conf->ap_table_max_size = atoi(pos);
2073 } else if (os_strcmp(buf, "ap_table_expiration_time") == 0) {
2074 conf->ap_table_expiration_time = atoi(pos);
2075 } else if (os_strncmp(buf, "tx_queue_", 9) == 0) {
2076 if (hostapd_config_tx_queue(conf, buf, pos)) {
10656fc2
JM		 2077 wpa_printf(MSG_ERROR, "Line %d: invalid TX "
2078 "queue item", line);
6fc6879b
JM		 2079 errors++;
2080 }
2081 } else if (os_strcmp(buf, "wme_enabled") == 0) {
2082 bss->wme_enabled = atoi(pos);
2083 } else if (os_strncmp(buf, "wme_ac_", 7) == 0) {
2084 if (hostapd_config_wme_ac(conf, buf, pos)) {
10656fc2
JM		 2085 wpa_printf(MSG_ERROR, "Line %d: invalid wme "
2086 "ac item", line);
6fc6879b
JM		 2087 errors++;
2088 }
2089 } else if (os_strcmp(buf, "bss") == 0) {
2090 if (hostapd_config_bss(conf, pos)) {
10656fc2
JM		 2091 wpa_printf(MSG_ERROR, "Line %d: invalid bss "
2092 "item", line);
6fc6879b
JM		 2093 errors++;
2094 }
2095 } else if (os_strcmp(buf, "bssid") == 0) {
2096 if (bss == conf->bss &&
2097 (!conf->driver || !conf->driver->init_bssid)) {
10656fc2
JM		 2098 wpa_printf(MSG_ERROR, "Line %d: bssid item "
2099 "not allowed for the default "
2100 "interface and this driver", line);
6fc6879b
JM		 2101 errors++;
2102 } else if (hwaddr_aton(pos, bss->bssid)) {
10656fc2
JM		 2103 wpa_printf(MSG_ERROR, "Line %d: invalid bssid "
2104 "item", line);
6fc6879b
JM		 2105 errors++;
2106 }
2107#ifdef CONFIG_IEEE80211W
2108 } else if (os_strcmp(buf, "ieee80211w") == 0) {
2109 bss->ieee80211w = atoi(pos);
45c94154
JM		 2110 } else if (os_strcmp(buf, "assoc_sa_query_max_timeout") == 0) {
2111 bss->assoc_sa_query_max_timeout = atoi(pos);
2112 if (bss->assoc_sa_query_max_timeout == 0) {
10656fc2
JM		 2113 wpa_printf(MSG_ERROR, "Line %d: invalid "
2114 "assoc_sa_query_max_timeout", line);
5d22a1d5
JM		 2115 errors++;
2116 }
45c94154
JM		 2117 } else if (os_strcmp(buf, "assoc_sa_query_retry_timeout") == 0)
2118 {
2119 bss->assoc_sa_query_retry_timeout = atoi(pos);
2120 if (bss->assoc_sa_query_retry_timeout == 0) {
10656fc2
JM		 2121 wpa_printf(MSG_ERROR, "Line %d: invalid "
2122 "assoc_sa_query_retry_timeout",
2123 line);
5d22a1d5
JM		 2124 errors++;
2125 }
6fc6879b 2126#endif /* CONFIG_IEEE80211W */
de9289c8
JM		 2127#ifdef CONFIG_IEEE80211N
2128 } else if (os_strcmp(buf, "ieee80211n") == 0) {
9d2a76a2 2129 conf->ieee80211n = atoi(pos);
fc14f567
JM		 2130 } else if (os_strcmp(buf, "ht_capab") == 0) {
2131 if (hostapd_config_ht_capab(conf, pos) < 0) {
10656fc2
JM		 2132 wpa_printf(MSG_ERROR, "Line %d: invalid "
2133 "ht_capab", line);
fc14f567
JM		 2134 errors++;
2135 }
de9289c8 2136#endif /* CONFIG_IEEE80211N */
b0194fe0
JM		 2137 } else if (os_strcmp(buf, "max_listen_interval") == 0) {
2138 bss->max_listen_interval = atoi(pos);
bf98f7f3
JM		 2139 } else if (os_strcmp(buf, "okc") == 0) {
2140 bss->okc = atoi(pos);
ad08c363
JM		 2141#ifdef CONFIG_WPS
2142 } else if (os_strcmp(buf, "wps_state") == 0) {
2143 bss->wps_state = atoi(pos);
2144 if (bss->wps_state < 0 || bss->wps_state > 2) {
10656fc2
JM		 2145 wpa_printf(MSG_ERROR, "Line %d: invalid "
2146 "wps_state", line);
ad08c363
JM		 2147 errors++;
2148 }
2149 } else if (os_strcmp(buf, "ap_setup_locked") == 0) {
2150 bss->ap_setup_locked = atoi(pos);
2151 } else if (os_strcmp(buf, "uuid") == 0) {
2152 if (uuid_str2bin(pos, bss->uuid)) {
10656fc2
JM		 2153 wpa_printf(MSG_ERROR, "Line %d: invalid UUID",
2154 line);
ad08c363
JM		 2155 errors++;
2156 }
2157 } else if (os_strcmp(buf, "wps_pin_requests") == 0) {
2158 bss->wps_pin_requests = os_strdup(pos);
2159 } else if (os_strcmp(buf, "device_name") == 0) {
8874b727 2160 if (os_strlen(pos) > 32) {
10656fc2
JM		 2161 wpa_printf(MSG_ERROR, "Line %d: Too long "
2162 "device_name", line);
8874b727
JM		 2163 errors++;
2164 }
ad08c363
JM		 2165 bss->device_name = os_strdup(pos);
2166 } else if (os_strcmp(buf, "manufacturer") == 0) {
8874b727 2167 if (os_strlen(pos) > 64) {
10656fc2
JM		 2168 wpa_printf(MSG_ERROR, "Line %d: Too long "
2169 "manufacturer", line);
8874b727
JM		 2170 errors++;
2171 }
ad08c363
JM		 2172 bss->manufacturer = os_strdup(pos);
2173 } else if (os_strcmp(buf, "model_name") == 0) {
8874b727 2174 if (os_strlen(pos) > 32) {
10656fc2
JM		 2175 wpa_printf(MSG_ERROR, "Line %d: Too long "
2176 "model_name", line);
8874b727
JM		 2177 errors++;
2178 }
ad08c363
JM		 2179 bss->model_name = os_strdup(pos);
2180 } else if (os_strcmp(buf, "model_number") == 0) {
8874b727 2181 if (os_strlen(pos) > 32) {
10656fc2
JM		 2182 wpa_printf(MSG_ERROR, "Line %d: Too long "
2183 "model_number", line);
8874b727
JM		 2184 errors++;
2185 }
ad08c363
JM		 2186 bss->model_number = os_strdup(pos);
2187 } else if (os_strcmp(buf, "serial_number") == 0) {
8874b727 2188 if (os_strlen(pos) > 32) {
10656fc2
JM		 2189 wpa_printf(MSG_ERROR, "Line %d: Too long "
2190 "serial_number", line);
8874b727
JM		 2191 errors++;
2192 }
ad08c363
JM		 2193 bss->serial_number = os_strdup(pos);
2194 } else if (os_strcmp(buf, "device_type") == 0) {
2195 bss->device_type = os_strdup(pos);
2196 } else if (os_strcmp(buf, "config_methods") == 0) {
2197 bss->config_methods = os_strdup(pos);
2198 } else if (os_strcmp(buf, "os_version") == 0) {
2199 if (hexstr2bin(pos, bss->os_version, 4)) {
10656fc2
JM		 2200 wpa_printf(MSG_ERROR, "Line %d: invalid "
2201 "os_version", line);
ad08c363
JM		 2202 errors++;
2203 }
2204 } else if (os_strcmp(buf, "ap_pin") == 0) {
2205 bss->ap_pin = os_strdup(pos);
2206#endif /* CONFIG_WPS */
6fc6879b 2207 } else {
10656fc2
JM		 2208 wpa_printf(MSG_ERROR, "Line %d: unknown configuration "
2209 "item '%s'", line, buf);
6fc6879b
JM		 2210 errors++;
2211 }
2212 }
2213
2214 fclose(f);
2215
2216 if (bss->individual_wep_key_len == 0) {
2217 /* individual keys are not use; can use key idx0 for broadcast
2218 * keys */
2219 bss->broadcast_key_idx_min = 0;
2220 }
2221
2222 /* Select group cipher based on the enabled pairwise cipher suites */
2223 pairwise = 0;
2224 if (bss->wpa & 1)
2225 pairwise |= bss->wpa_pairwise;
2226 if (bss->wpa & 2) {
2227 if (bss->rsn_pairwise == 0)
2228 bss->rsn_pairwise = bss->wpa_pairwise;
2229 pairwise |= bss->rsn_pairwise;
2230 }
2231 if (pairwise & WPA_CIPHER_TKIP)
2232 bss->wpa_group = WPA_CIPHER_TKIP;
2233 else
2234 bss->wpa_group = WPA_CIPHER_CCMP;
2235
2236 for (i = 0; i < conf->num_bss; i++) {
2237 bss = &conf->bss[i];
2238
2239 bss->radius->auth_server = bss->radius->auth_servers;
2240 bss->radius->acct_server = bss->radius->acct_servers;
2241
2242 if (bss->wpa && bss->ieee802_1x) {
2243 bss->ssid.security_policy = SECURITY_WPA;
2244 } else if (bss->wpa) {
2245 bss->ssid.security_policy = SECURITY_WPA_PSK;
2246 } else if (bss->ieee802_1x) {
2247 bss->ssid.security_policy = SECURITY_IEEE_802_1X;
2248 bss->ssid.wep.default_len = bss->default_wep_key_len;
2249 } else if (bss->ssid.wep.keys_set)
2250 bss->ssid.security_policy = SECURITY_STATIC_WEP;
2251 else
2252 bss->ssid.security_policy = SECURITY_PLAINTEXT;
2253 }
2254
2255 if (hostapd_config_check(conf))
2256 errors++;
2257
2258 if (errors) {
10656fc2
JM		 2259 wpa_printf(MSG_ERROR, "%d errors found in configuration file "
2260 "'%s'", errors, fname);
6fc6879b
JM		 2261 hostapd_config_free(conf);
2262 conf = NULL;
2263 }
2264
2265 return conf;
2266}
2267
2268
2269int hostapd_wep_key_cmp(struct hostapd_wep_keys *a, struct hostapd_wep_keys *b)
2270{
2271 int i;
2272
2273 if (a->idx != b->idx || a->default_len != b->default_len)
2274 return 1;
2275 for (i = 0; i < NUM_WEP_KEYS; i++)
2276 if (a->len[i] != b->len[i] ||
2277 os_memcmp(a->key[i], b->key[i], a->len[i]) != 0)
2278 return 1;
2279 return 0;
2280}
2281
2282
2283static void hostapd_config_free_radius(struct hostapd_radius_server *servers,
2284 int num_servers)
2285{
2286 int i;
2287
2288 for (i = 0; i < num_servers; i++) {
2289 os_free(servers[i].shared_secret);
2290 }
2291 os_free(servers);
2292}
2293
2294
2295static void hostapd_config_free_eap_user(struct hostapd_eap_user *user)
2296{
2297 os_free(user->identity);
2298 os_free(user->password);
2299 os_free(user);
2300}
2301
2302
2303static void hostapd_config_free_wep(struct hostapd_wep_keys *keys)
2304{
2305 int i;
2306 for (i = 0; i < NUM_WEP_KEYS; i++) {
2307 os_free(keys->key[i]);
2308 keys->key[i] = NULL;
2309 }
2310}
2311
2312
2313static void hostapd_config_free_bss(struct hostapd_bss_config *conf)
2314{
2315 struct hostapd_wpa_psk *psk, *prev;
2316 struct hostapd_eap_user *user, *prev_user;
2317
2318 if (conf == NULL)
2319 return;
2320
2321 psk = conf->ssid.wpa_psk;
2322 while (psk) {
2323 prev = psk;
2324 psk = psk->next;
2325 os_free(prev);
2326 }
2327
2328 os_free(conf->ssid.wpa_passphrase);
2329 os_free(conf->ssid.wpa_psk_file);
2330#ifdef CONFIG_FULL_DYNAMIC_VLAN
2331 os_free(conf->ssid.vlan_tagged_interface);
2332#endif /* CONFIG_FULL_DYNAMIC_VLAN */
2333
2334 user = conf->eap_user;
2335 while (user) {
2336 prev_user = user;
2337 user = user->next;
2338 hostapd_config_free_eap_user(prev_user);
2339 }
2340
2341 os_free(conf->dump_log_name);
2342 os_free(conf->eap_req_id_text);
2343 os_free(conf->accept_mac);
2344 os_free(conf->deny_mac);
2345 os_free(conf->nas_identifier);
2346 hostapd_config_free_radius(conf->radius->auth_servers,
2347 conf->radius->num_auth_servers);
2348 hostapd_config_free_radius(conf->radius->acct_servers,
2349 conf->radius->num_acct_servers);
2350 os_free(conf->rsn_preauth_interfaces);
2351 os_free(conf->ctrl_interface);
2352 os_free(conf->ca_cert);
2353 os_free(conf->server_cert);
2354 os_free(conf->private_key);
2355 os_free(conf->private_key_passwd);
2356 os_free(conf->dh_file);
2357 os_free(conf->pac_opaque_encr_key);
2358 os_free(conf->eap_fast_a_id);
2d867244 2359 os_free(conf->eap_fast_a_id_info);
6fc6879b
JM		 2360 os_free(conf->eap_sim_db);
2361 os_free(conf->radius_server_clients);
2362 os_free(conf->test_socket);
2363 os_free(conf->radius);
2364 hostapd_config_free_vlan(conf);
2365 if (conf->ssid.dyn_vlan_keys) {
2366 struct hostapd_ssid *ssid = &conf->ssid;
2367 size_t i;
2368 for (i = 0; i <= ssid->max_dyn_vlan_keys; i++) {
2369 if (ssid->dyn_vlan_keys[i] == NULL)
2370 continue;
2371 hostapd_config_free_wep(ssid->dyn_vlan_keys[i]);
2372 os_free(ssid->dyn_vlan_keys[i]);
2373 }
2374 os_free(ssid->dyn_vlan_keys);
2375 ssid->dyn_vlan_keys = NULL;
2376 }
2377
2378#ifdef CONFIG_IEEE80211R
2379 {
2380 struct ft_remote_r0kh *r0kh, *r0kh_prev;
2381 struct ft_remote_r1kh *r1kh, *r1kh_prev;
2382
2383 r0kh = conf->r0kh_list;
2384 conf->r0kh_list = NULL;
2385 while (r0kh) {
2386 r0kh_prev = r0kh;
2387 r0kh = r0kh->next;
2388 os_free(r0kh_prev);
2389 }
2390
2391 r1kh = conf->r1kh_list;
2392 conf->r1kh_list = NULL;
2393 while (r1kh) {
2394 r1kh_prev = r1kh;
2395 r1kh = r1kh->next;
2396 os_free(r1kh_prev);
2397 }
2398 }
2399#endif /* CONFIG_IEEE80211R */
ad08c363
JM		 2400
2401#ifdef CONFIG_WPS
2402 os_free(conf->wps_pin_requests);
2403 os_free(conf->device_name);
2404 os_free(conf->manufacturer);
2405 os_free(conf->model_name);
2406 os_free(conf->model_number);
2407 os_free(conf->serial_number);
2408 os_free(conf->device_type);
2409 os_free(conf->config_methods);
2410 os_free(conf->ap_pin);
2411#endif /* CONFIG_WPS */
6fc6879b
JM		 2412}
2413
2414
1c6e69cc
JM		 2415/**
2416 * hostapd_config_free - Free hostapd configuration
2417 * @conf: Configuration data from hostapd_config_read().
2418 */
6fc6879b
JM		 2419void hostapd_config_free(struct hostapd_config *conf)
2420{
2421 size_t i;
2422
2423 if (conf == NULL)
2424 return;
2425
2426 for (i = 0; i < conf->num_bss; i++)
2427 hostapd_config_free_bss(&conf->bss[i]);
2428 os_free(conf->bss);
2429
2430 os_free(conf);
2431}
2432
2433
1c6e69cc
JM		 2434/**
2435 * hostapd_maclist_found - Find a MAC address from a list
2436 * @list: MAC address list
2437 * @num_entries: Number of addresses in the list
2438 * @addr: Address to search for
2439 * @vlan_id: Buffer for returning VLAN ID or %NULL if not needed
2440 * Returns: 1 if address is in the list or 0 if not.
2441 *
2442 * Perform a binary search for given MAC address from a pre-sorted list.
2443 */
271d2830
JM		 2444int hostapd_maclist_found(struct mac_acl_entry *list, int num_entries,
2445 const u8 *addr, int *vlan_id)
6fc6879b
JM		 2446{
2447 int start, end, middle, res;
2448
2449 start = 0;
2450 end = num_entries - 1;
2451
2452 while (start <= end) {
2453 middle = (start + end) / 2;
271d2830
JM		 2454 res = os_memcmp(list[middle].addr, addr, ETH_ALEN);
2455 if (res == 0) {
2456 if (vlan_id)
2457 *vlan_id = list[middle].vlan_id;
6fc6879b 2458 return 1;
271d2830 2459 }
6fc6879b
JM		 2460 if (res < 0)
2461 start = middle + 1;
2462 else
2463 end = middle - 1;
2464 }
2465
2466 return 0;
2467}
2468
2469
2470int hostapd_rate_found(int *list, int rate)
2471{
2472 int i;
2473
2474 if (list == NULL)
2475 return 0;
2476
2477 for (i = 0; list[i] >= 0; i++)
2478 if (list[i] == rate)
2479 return 1;
2480
2481 return 0;
2482}
2483
2484
2485const char * hostapd_get_vlan_id_ifname(struct hostapd_vlan *vlan, int vlan_id)
2486{
2487 struct hostapd_vlan *v = vlan;
2488 while (v) {
2489 if (v->vlan_id == vlan_id || v->vlan_id == VLAN_ID_WILDCARD)
2490 return v->ifname;
2491 v = v->next;
2492 }
2493 return NULL;
2494}
2495
2496
2497const u8 * hostapd_get_psk(const struct hostapd_bss_config *conf,
2498 const u8 *addr, const u8 *prev_psk)
2499{
2500 struct hostapd_wpa_psk *psk;
2501 int next_ok = prev_psk == NULL;
2502
2503 for (psk = conf->ssid.wpa_psk; psk != NULL; psk = psk->next) {
2504 if (next_ok &&
2505 (psk->group || os_memcmp(psk->addr, addr, ETH_ALEN) == 0))
2506 return psk->psk;
2507
2508 if (psk->psk == prev_psk)
2509 next_ok = 1;
2510 }
2511
2512 return NULL;
2513}
2514
2515
2516const struct hostapd_eap_user *
2517hostapd_get_eap_user(const struct hostapd_bss_config *conf, const u8 *identity,
2518 size_t identity_len, int phase2)
2519{
2520 struct hostapd_eap_user *user = conf->eap_user;
2521
ad08c363
JM		 2522#ifdef CONFIG_WPS
2523 if (conf->wps_state && identity_len == WSC_ID_ENROLLEE_LEN &&
2524 os_memcmp(identity, WSC_ID_ENROLLEE, WSC_ID_ENROLLEE_LEN) == 0) {
2525 static struct hostapd_eap_user wsc_enrollee;
2526 os_memset(&wsc_enrollee, 0, sizeof(wsc_enrollee));
2527 wsc_enrollee.methods[0].method = eap_server_get_type(
2528 "WSC", &wsc_enrollee.methods[0].vendor);
2529 return &wsc_enrollee;
2530 }
2531
2532 if (conf->wps_state && conf->ap_pin &&
2533 identity_len == WSC_ID_REGISTRAR_LEN &&
2534 os_memcmp(identity, WSC_ID_REGISTRAR, WSC_ID_REGISTRAR_LEN) == 0) {
2535 static struct hostapd_eap_user wsc_registrar;
2536 os_memset(&wsc_registrar, 0, sizeof(wsc_registrar));
2537 wsc_registrar.methods[0].method = eap_server_get_type(
2538 "WSC", &wsc_registrar.methods[0].vendor);
2539 wsc_registrar.password = (u8 *) conf->ap_pin;
2540 wsc_registrar.password_len = os_strlen(conf->ap_pin);
2541 return &wsc_registrar;
2542 }
2543#endif /* CONFIG_WPS */
2544
6fc6879b
JM		 2545 while (user) {
2546 if (!phase2 && user->identity == NULL) {
2547 /* Wildcard match */
2548 break;
2549 }
2550
2551 if (user->phase2 == !!phase2 && user->wildcard_prefix &&
2552 identity_len >= user->identity_len &&
2553 os_memcmp(user->identity, identity, user->identity_len) ==
2554 0) {
2555 /* Wildcard prefix match */
2556 break;
2557 }
2558
2559 if (user->phase2 == !!phase2 &&
2560 user->identity_len == identity_len &&
2561 os_memcmp(user->identity, identity, identity_len) == 0)
2562 break;
2563 user = user->next;
2564 }
2565
2566 return user;
2567}
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