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Added support for enforcing frequent PTK rekeying
[thirdparty/hostap.git] / hostapd / config.c
1 /*
2 * hostapd / Configuration file
3 * Copyright (c) 2003-2008, Jouni Malinen <j@w1.fi>
4 * Copyright (c) 2007-2008, Intel Corporation
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"
29
30
31 #define MAX_STA_COUNT 2007
32
33 extern struct wpa_driver_ops *hostapd_drivers[];
34
35
36 static int hostapd_config_read_vlan_file(struct hostapd_bss_config *bss,
37 const char *fname)
38 {
39 FILE *f;
40 char buf[128], *pos, *pos2;
41 int line = 0, vlan_id;
42 struct hostapd_vlan *vlan;
43
44 f = fopen(fname, "r");
45 if (!f) {
46 printf("VLAN file '%s' not readable.\n", fname);
47 return -1;
48 }
49
50 while (fgets(buf, sizeof(buf), f)) {
51 line++;
52
53 if (buf[0] == '#')
54 continue;
55 pos = buf;
56 while (*pos != '\0') {
57 if (*pos == '\n') {
58 *pos = '\0';
59 break;
60 }
61 pos++;
62 }
63 if (buf[0] == '\0')
64 continue;
65
66 if (buf[0] == '*') {
67 vlan_id = VLAN_ID_WILDCARD;
68 pos = buf + 1;
69 } else {
70 vlan_id = strtol(buf, &pos, 10);
71 if (buf == pos || vlan_id < 1 ||
72 vlan_id > MAX_VLAN_ID) {
73 printf("Invalid VLAN ID at line %d in '%s'\n",
74 line, fname);
75 fclose(f);
76 return -1;
77 }
78 }
79
80 while (*pos == ' ' || *pos == '\t')
81 pos++;
82 pos2 = pos;
83 while (*pos2 != ' ' && *pos2 != '\t' && *pos2 != '\0')
84 pos2++;
85 *pos2 = '\0';
86 if (*pos == '\0' || os_strlen(pos) > IFNAMSIZ) {
87 printf("Invalid VLAN ifname at line %d in '%s'\n",
88 line, fname);
89 fclose(f);
90 return -1;
91 }
92
93 vlan = os_malloc(sizeof(*vlan));
94 if (vlan == NULL) {
95 printf("Out of memory while reading VLAN interfaces "
96 "from '%s'\n", fname);
97 fclose(f);
98 return -1;
99 }
100
101 os_memset(vlan, 0, sizeof(*vlan));
102 vlan->vlan_id = vlan_id;
103 os_strlcpy(vlan->ifname, pos, sizeof(vlan->ifname));
104 if (bss->vlan_tail)
105 bss->vlan_tail->next = vlan;
106 else
107 bss->vlan = vlan;
108 bss->vlan_tail = vlan;
109 }
110
111 fclose(f);
112
113 return 0;
114 }
115
116
117 static void hostapd_config_free_vlan(struct hostapd_bss_config *bss)
118 {
119 struct hostapd_vlan *vlan, *prev;
120
121 vlan = bss->vlan;
122 prev = NULL;
123 while (vlan) {
124 prev = vlan;
125 vlan = vlan->next;
126 os_free(prev);
127 }
128
129 bss->vlan = NULL;
130 }
131
132
133 /* convert floats with one decimal place to value*10 int, i.e.,
134 * "1.5" will return 15 */
135 static int hostapd_config_read_int10(const char *value)
136 {
137 int i, d;
138 char *pos;
139
140 i = atoi(value);
141 pos = os_strchr(value, '.');
142 d = 0;
143 if (pos) {
144 pos++;
145 if (*pos >= '0' && *pos <= '9')
146 d = *pos - '0';
147 }
148
149 return i * 10 + d;
150 }
151
152
153 static void hostapd_config_defaults_bss(struct hostapd_bss_config *bss)
154 {
155 bss->logger_syslog_level = HOSTAPD_LEVEL_INFO;
156 bss->logger_stdout_level = HOSTAPD_LEVEL_INFO;
157 bss->logger_syslog = (unsigned int) -1;
158 bss->logger_stdout = (unsigned int) -1;
159
160 bss->auth_algs = WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED;
161
162 bss->wep_rekeying_period = 300;
163 /* use key0 in individual key and key1 in broadcast key */
164 bss->broadcast_key_idx_min = 1;
165 bss->broadcast_key_idx_max = 2;
166 bss->eap_reauth_period = 3600;
167
168 bss->wpa_group_rekey = 600;
169 bss->wpa_gmk_rekey = 86400;
170 bss->wpa_key_mgmt = WPA_KEY_MGMT_PSK;
171 bss->wpa_pairwise = WPA_CIPHER_TKIP;
172 bss->wpa_group = WPA_CIPHER_TKIP;
173 bss->rsn_pairwise = 0;
174
175 bss->max_num_sta = MAX_STA_COUNT;
176
177 bss->dtim_period = 2;
178
179 bss->radius_server_auth_port = 1812;
180 bss->ap_max_inactivity = AP_MAX_INACTIVITY;
181 bss->eapol_version = EAPOL_VERSION;
182
183 bss->max_listen_interval = 65535;
184
185 #ifdef CONFIG_IEEE80211W
186 bss->assoc_ping_timeout = 1000;
187 bss->assoc_ping_attempts = 3;
188 #endif /* CONFIG_IEEE80211W */
189 #ifdef EAP_FAST
190 /* both anonymous and authenticated provisioning */
191 bss->eap_fast_prov = 3;
192 bss->pac_key_lifetime = 7 * 24 * 60 * 60;
193 bss->pac_key_refresh_time = 1 * 24 * 60 * 60;
194 #endif /* EAP_FAST */
195 }
196
197
198 static struct hostapd_config * hostapd_config_defaults(void)
199 {
200 struct hostapd_config *conf;
201 struct hostapd_bss_config *bss;
202 int i;
203 const int aCWmin = 15, aCWmax = 1024;
204 const struct hostapd_wme_ac_params ac_bk =
205 { aCWmin, aCWmax, 7, 0, 0 }; /* background traffic */
206 const struct hostapd_wme_ac_params ac_be =
207 { aCWmin, aCWmax, 3, 0, 0 }; /* best effort traffic */
208 const struct hostapd_wme_ac_params ac_vi = /* video traffic */
209 { aCWmin >> 1, aCWmin, 2, 3000 / 32, 1 };
210 const struct hostapd_wme_ac_params ac_vo = /* voice traffic */
211 { aCWmin >> 2, aCWmin >> 1, 2, 1500 / 32, 1 };
212
213 conf = os_zalloc(sizeof(*conf));
214 bss = os_zalloc(sizeof(*bss));
215 if (conf == NULL || bss == NULL) {
216 printf("Failed to allocate memory for configuration data.\n");
217 os_free(conf);
218 os_free(bss);
219 return NULL;
220 }
221
222 /* set default driver based on configuration */
223 conf->driver = hostapd_drivers[0];
224 if (conf->driver == NULL) {
225 printf("No driver wrappers registered!\n");
226 os_free(conf);
227 os_free(bss);
228 return NULL;
229 }
230
231 bss->radius = os_zalloc(sizeof(*bss->radius));
232 if (bss->radius == NULL) {
233 os_free(conf);
234 os_free(bss);
235 return NULL;
236 }
237
238 hostapd_config_defaults_bss(bss);
239
240 conf->num_bss = 1;
241 conf->bss = bss;
242
243 conf->beacon_int = 100;
244 conf->rts_threshold = -1; /* use driver default: 2347 */
245 conf->fragm_threshold = -1; /* user driver default: 2346 */
246 conf->send_probe_response = 1;
247 conf->bridge_packets = INTERNAL_BRIDGE_DO_NOT_CONTROL;
248
249 os_memcpy(conf->country, "US ", 3);
250
251 for (i = 0; i < NUM_TX_QUEUES; i++)
252 conf->tx_queue[i].aifs = -1; /* use hw default */
253
254 conf->wme_ac_params[0] = ac_be;
255 conf->wme_ac_params[1] = ac_bk;
256 conf->wme_ac_params[2] = ac_vi;
257 conf->wme_ac_params[3] = ac_vo;
258
259 #ifdef CONFIG_IEEE80211N
260 SET_2BIT_LE16(&conf->ht_capab,
261 HT_CAP_INFO_MIMO_PWR_SAVE_OFFSET,
262 MIMO_PWR_NO_LIMIT_ON_MIMO_SEQS);
263
264 conf->ht_capab |= HT_CAP_INFO_GREEN_FIELD;
265 #endif /* CONFIG_IEEE80211N */
266
267 return conf;
268 }
269
270
271 int hostapd_mac_comp(const void *a, const void *b)
272 {
273 return os_memcmp(a, b, sizeof(macaddr));
274 }
275
276
277 int hostapd_mac_comp_empty(const void *a)
278 {
279 macaddr empty = { 0 };
280 return os_memcmp(a, empty, sizeof(macaddr));
281 }
282
283
284 static 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
292 static int hostapd_config_read_maclist(const char *fname,
293 struct mac_acl_entry **acl, int *num)
294 {
295 FILE *f;
296 char buf[128], *pos;
297 int line = 0;
298 u8 addr[ETH_ALEN];
299 struct mac_acl_entry *newacl;
300 int vlan_id;
301
302 if (!fname)
303 return 0;
304
305 f = fopen(fname, "r");
306 if (!f) {
307 printf("MAC list file '%s' not found.\n", fname);
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)) {
328 printf("Invalid MAC address '%s' at line %d in '%s'\n",
329 buf, line, fname);
330 fclose(f);
331 return -1;
332 }
333
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));
344 if (newacl == NULL) {
345 printf("MAC list reallocation failed\n");
346 fclose(f);
347 return -1;
348 }
349
350 *acl = newacl;
351 os_memcpy((*acl)[*num].addr, addr, ETH_ALEN);
352 (*acl)[*num].vlan_id = vlan_id;
353 (*num)++;
354 }
355
356 fclose(f);
357
358 qsort(*acl, *num, sizeof(**acl), hostapd_acl_comp);
359
360 return 0;
361 }
362
363
364 static 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) {
378 printf("WPA PSK file '%s' not found.\n", fname);
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)) {
399 printf("Invalid MAC address '%s' on line %d in '%s'\n",
400 buf, line, fname);
401 ret = -1;
402 break;
403 }
404
405 psk = os_zalloc(sizeof(*psk));
406 if (psk == NULL) {
407 printf("WPA PSK allocation failed\n");
408 ret = -1;
409 break;
410 }
411 if (is_zero_ether_addr(addr))
412 psk->group = 1;
413 else
414 os_memcpy(psk->addr, addr, ETH_ALEN);
415
416 pos = buf + 17;
417 if (pos == '\0') {
418 printf("No PSK on line %d in '%s'\n", line, fname);
419 os_free(psk);
420 ret = -1;
421 break;
422 }
423 pos++;
424
425 ok = 0;
426 len = os_strlen(pos);
427 if (len == 64 && hexstr2bin(pos, psk->psk, PMK_LEN) == 0)
428 ok = 1;
429 else if (len >= 8 && len < 64) {
430 pbkdf2_sha1(pos, ssid->ssid, ssid->ssid_len,
431 4096, psk->psk, PMK_LEN);
432 ok = 1;
433 }
434 if (!ok) {
435 printf("Invalid PSK '%s' on line %d in '%s'\n",
436 pos, line, fname);
437 os_free(psk);
438 ret = -1;
439 break;
440 }
441
442 psk->next = ssid->wpa_psk;
443 ssid->wpa_psk = psk;
444 }
445
446 fclose(f);
447
448 return ret;
449 }
450
451
452 int hostapd_setup_wpa_psk(struct hostapd_bss_config *conf)
453 {
454 struct hostapd_ssid *ssid = &conf->ssid;
455
456 if (ssid->wpa_passphrase != NULL) {
457 if (ssid->wpa_psk != NULL) {
458 printf("Warning: both WPA PSK and passphrase set. "
459 "Using passphrase.\n");
460 os_free(ssid->wpa_psk);
461 }
462 ssid->wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk));
463 if (ssid->wpa_psk == NULL) {
464 printf("Unable to alloc space for PSK\n");
465 return -1;
466 }
467 wpa_hexdump_ascii(MSG_DEBUG, "SSID",
468 (u8 *) ssid->ssid, ssid->ssid_len);
469 wpa_hexdump_ascii(MSG_DEBUG, "PSK (ASCII passphrase)",
470 (u8 *) ssid->wpa_passphrase,
471 os_strlen(ssid->wpa_passphrase));
472 pbkdf2_sha1(ssid->wpa_passphrase,
473 ssid->ssid, ssid->ssid_len,
474 4096, ssid->wpa_psk->psk, PMK_LEN);
475 wpa_hexdump(MSG_DEBUG, "PSK (from passphrase)",
476 ssid->wpa_psk->psk, PMK_LEN);
477 ssid->wpa_psk->group = 1;
478
479 os_memset(ssid->wpa_passphrase, 0,
480 os_strlen(ssid->wpa_passphrase));
481 os_free(ssid->wpa_passphrase);
482 ssid->wpa_passphrase = NULL;
483 }
484
485 if (ssid->wpa_psk_file) {
486 if (hostapd_config_read_wpa_psk(ssid->wpa_psk_file,
487 &conf->ssid))
488 return -1;
489 }
490
491 return 0;
492 }
493
494
495 #ifdef EAP_SERVER
496 static int hostapd_config_read_eap_user(const char *fname,
497 struct hostapd_bss_config *conf)
498 {
499 FILE *f;
500 char buf[512], *pos, *start, *pos2;
501 int line = 0, ret = 0, num_methods;
502 struct hostapd_eap_user *user, *tail = NULL;
503
504 if (!fname)
505 return 0;
506
507 f = fopen(fname, "r");
508 if (!f) {
509 printf("EAP user file '%s' not found.\n", fname);
510 return -1;
511 }
512
513 /* Lines: "user" METHOD,METHOD2 "password" (password optional) */
514 while (fgets(buf, sizeof(buf), f)) {
515 line++;
516
517 if (buf[0] == '#')
518 continue;
519 pos = buf;
520 while (*pos != '\0') {
521 if (*pos == '\n') {
522 *pos = '\0';
523 break;
524 }
525 pos++;
526 }
527 if (buf[0] == '\0')
528 continue;
529
530 user = NULL;
531
532 if (buf[0] != '"' && buf[0] != '*') {
533 printf("Invalid EAP identity (no \" in start) on "
534 "line %d in '%s'\n", line, fname);
535 goto failed;
536 }
537
538 user = os_zalloc(sizeof(*user));
539 if (user == NULL) {
540 printf("EAP user allocation failed\n");
541 goto failed;
542 }
543 user->force_version = -1;
544
545 if (buf[0] == '*') {
546 pos = buf;
547 } else {
548 pos = buf + 1;
549 start = pos;
550 while (*pos != '"' && *pos != '\0')
551 pos++;
552 if (*pos == '\0') {
553 printf("Invalid EAP identity (no \" in end) on"
554 " line %d in '%s'\n", line, fname);
555 goto failed;
556 }
557
558 user->identity = os_malloc(pos - start);
559 if (user->identity == NULL) {
560 printf("Failed to allocate memory for EAP "
561 "identity\n");
562 goto failed;
563 }
564 os_memcpy(user->identity, start, pos - start);
565 user->identity_len = pos - start;
566
567 if (pos[0] == '"' && pos[1] == '*') {
568 user->wildcard_prefix = 1;
569 pos++;
570 }
571 }
572 pos++;
573 while (*pos == ' ' || *pos == '\t')
574 pos++;
575
576 if (*pos == '\0') {
577 printf("No EAP method on line %d in '%s'\n",
578 line, fname);
579 goto failed;
580 }
581
582 start = pos;
583 while (*pos != ' ' && *pos != '\t' && *pos != '\0')
584 pos++;
585 if (*pos == '\0') {
586 pos = NULL;
587 } else {
588 *pos = '\0';
589 pos++;
590 }
591 num_methods = 0;
592 while (*start) {
593 char *pos3 = os_strchr(start, ',');
594 if (pos3) {
595 *pos3++ = '\0';
596 }
597 user->methods[num_methods].method =
598 eap_server_get_type(
599 start,
600 &user->methods[num_methods].vendor);
601 if (user->methods[num_methods].vendor ==
602 EAP_VENDOR_IETF &&
603 user->methods[num_methods].method == EAP_TYPE_NONE)
604 {
605 if (os_strcmp(start, "TTLS-PAP") == 0) {
606 user->ttls_auth |= EAP_TTLS_AUTH_PAP;
607 goto skip_eap;
608 }
609 if (os_strcmp(start, "TTLS-CHAP") == 0) {
610 user->ttls_auth |= EAP_TTLS_AUTH_CHAP;
611 goto skip_eap;
612 }
613 if (os_strcmp(start, "TTLS-MSCHAP") == 0) {
614 user->ttls_auth |=
615 EAP_TTLS_AUTH_MSCHAP;
616 goto skip_eap;
617 }
618 if (os_strcmp(start, "TTLS-MSCHAPV2") == 0) {
619 user->ttls_auth |=
620 EAP_TTLS_AUTH_MSCHAPV2;
621 goto skip_eap;
622 }
623 printf("Unsupported EAP type '%s' on line %d "
624 "in '%s'\n", start, line, fname);
625 goto failed;
626 }
627
628 num_methods++;
629 if (num_methods >= EAP_USER_MAX_METHODS)
630 break;
631 skip_eap:
632 if (pos3 == NULL)
633 break;
634 start = pos3;
635 }
636 if (num_methods == 0 && user->ttls_auth == 0) {
637 printf("No EAP types configured on line %d in '%s'\n",
638 line, fname);
639 goto failed;
640 }
641
642 if (pos == NULL)
643 goto done;
644
645 while (*pos == ' ' || *pos == '\t')
646 pos++;
647 if (*pos == '\0')
648 goto done;
649
650 if (os_strncmp(pos, "[ver=0]", 7) == 0) {
651 user->force_version = 0;
652 goto done;
653 }
654
655 if (os_strncmp(pos, "[ver=1]", 7) == 0) {
656 user->force_version = 1;
657 goto done;
658 }
659
660 if (os_strncmp(pos, "[2]", 3) == 0) {
661 user->phase2 = 1;
662 goto done;
663 }
664
665 if (*pos == '"') {
666 pos++;
667 start = pos;
668 while (*pos != '"' && *pos != '\0')
669 pos++;
670 if (*pos == '\0') {
671 printf("Invalid EAP password (no \" in end) "
672 "on line %d in '%s'\n", line, fname);
673 goto failed;
674 }
675
676 user->password = os_malloc(pos - start);
677 if (user->password == NULL) {
678 printf("Failed to allocate memory for EAP "
679 "password\n");
680 goto failed;
681 }
682 os_memcpy(user->password, start, pos - start);
683 user->password_len = pos - start;
684
685 pos++;
686 } else if (os_strncmp(pos, "hash:", 5) == 0) {
687 pos += 5;
688 pos2 = pos;
689 while (*pos2 != '\0' && *pos2 != ' ' &&
690 *pos2 != '\t' && *pos2 != '#')
691 pos2++;
692 if (pos2 - pos != 32) {
693 printf("Invalid password hash on line %d in "
694 "'%s'\n", line, fname);
695 goto failed;
696 }
697 user->password = os_malloc(16);
698 if (user->password == NULL) {
699 printf("Failed to allocate memory for EAP "
700 "password hash\n");
701 goto failed;
702 }
703 if (hexstr2bin(pos, user->password, 16) < 0) {
704 printf("Invalid hash password on line %d in "
705 "'%s'\n", line, fname);
706 goto failed;
707 }
708 user->password_len = 16;
709 user->password_hash = 1;
710 pos = pos2;
711 } else {
712 pos2 = pos;
713 while (*pos2 != '\0' && *pos2 != ' ' &&
714 *pos2 != '\t' && *pos2 != '#')
715 pos2++;
716 if ((pos2 - pos) & 1) {
717 printf("Invalid hex password on line %d in "
718 "'%s'\n", line, fname);
719 goto failed;
720 }
721 user->password = os_malloc((pos2 - pos) / 2);
722 if (user->password == NULL) {
723 printf("Failed to allocate memory for EAP "
724 "password\n");
725 goto failed;
726 }
727 if (hexstr2bin(pos, user->password,
728 (pos2 - pos) / 2) < 0) {
729 printf("Invalid hex password on line %d in "
730 "'%s'\n", line, fname);
731 goto failed;
732 }
733 user->password_len = (pos2 - pos) / 2;
734 pos = pos2;
735 }
736
737 while (*pos == ' ' || *pos == '\t')
738 pos++;
739 if (os_strncmp(pos, "[2]", 3) == 0) {
740 user->phase2 = 1;
741 }
742
743 done:
744 if (tail == NULL) {
745 tail = conf->eap_user = user;
746 } else {
747 tail->next = user;
748 tail = user;
749 }
750 continue;
751
752 failed:
753 if (user) {
754 os_free(user->password);
755 os_free(user->identity);
756 os_free(user);
757 }
758 ret = -1;
759 break;
760 }
761
762 fclose(f);
763
764 return ret;
765 }
766 #endif /* EAP_SERVER */
767
768
769 static int
770 hostapd_config_read_radius_addr(struct hostapd_radius_server **server,
771 int *num_server, const char *val, int def_port,
772 struct hostapd_radius_server **curr_serv)
773 {
774 struct hostapd_radius_server *nserv;
775 int ret;
776 static int server_index = 1;
777
778 nserv = os_realloc(*server, (*num_server + 1) * sizeof(*nserv));
779 if (nserv == NULL)
780 return -1;
781
782 *server = nserv;
783 nserv = &nserv[*num_server];
784 (*num_server)++;
785 (*curr_serv) = nserv;
786
787 os_memset(nserv, 0, sizeof(*nserv));
788 nserv->port = def_port;
789 ret = hostapd_parse_ip_addr(val, &nserv->addr);
790 nserv->index = server_index++;
791
792 return ret;
793 }
794
795
796 static int hostapd_config_parse_key_mgmt(int line, const char *value)
797 {
798 int val = 0, last;
799 char *start, *end, *buf;
800
801 buf = os_strdup(value);
802 if (buf == NULL)
803 return -1;
804 start = buf;
805
806 while (start != '\0') {
807 while (*start == ' ' || *start == '\t')
808 start++;
809 if (*start == '\0')
810 break;
811 end = start;
812 while (*end != ' ' && *end != '\t' && *end != '\0')
813 end++;
814 last = *end == '\0';
815 *end = '\0';
816 if (os_strcmp(start, "WPA-PSK") == 0)
817 val |= WPA_KEY_MGMT_PSK;
818 else if (os_strcmp(start, "WPA-EAP") == 0)
819 val |= WPA_KEY_MGMT_IEEE8021X;
820 #ifdef CONFIG_IEEE80211R
821 else if (os_strcmp(start, "FT-PSK") == 0)
822 val |= WPA_KEY_MGMT_FT_PSK;
823 else if (os_strcmp(start, "FT-EAP") == 0)
824 val |= WPA_KEY_MGMT_FT_IEEE8021X;
825 #endif /* CONFIG_IEEE80211R */
826 #ifdef CONFIG_IEEE80211W
827 else if (os_strcmp(start, "WPA-PSK-SHA256") == 0)
828 val |= WPA_KEY_MGMT_PSK_SHA256;
829 else if (os_strcmp(start, "WPA-EAP-SHA256") == 0)
830 val |= WPA_KEY_MGMT_IEEE8021X_SHA256;
831 #endif /* CONFIG_IEEE80211W */
832 else {
833 printf("Line %d: invalid key_mgmt '%s'\n",
834 line, start);
835 os_free(buf);
836 return -1;
837 }
838
839 if (last)
840 break;
841 start = end + 1;
842 }
843
844 os_free(buf);
845 if (val == 0) {
846 printf("Line %d: no key_mgmt values configured.\n", line);
847 return -1;
848 }
849
850 return val;
851 }
852
853
854 static int hostapd_config_parse_cipher(int line, const char *value)
855 {
856 int val = 0, last;
857 char *start, *end, *buf;
858
859 buf = os_strdup(value);
860 if (buf == NULL)
861 return -1;
862 start = buf;
863
864 while (start != '\0') {
865 while (*start == ' ' || *start == '\t')
866 start++;
867 if (*start == '\0')
868 break;
869 end = start;
870 while (*end != ' ' && *end != '\t' && *end != '\0')
871 end++;
872 last = *end == '\0';
873 *end = '\0';
874 if (os_strcmp(start, "CCMP") == 0)
875 val |= WPA_CIPHER_CCMP;
876 else if (os_strcmp(start, "TKIP") == 0)
877 val |= WPA_CIPHER_TKIP;
878 else if (os_strcmp(start, "WEP104") == 0)
879 val |= WPA_CIPHER_WEP104;
880 else if (os_strcmp(start, "WEP40") == 0)
881 val |= WPA_CIPHER_WEP40;
882 else if (os_strcmp(start, "NONE") == 0)
883 val |= WPA_CIPHER_NONE;
884 else {
885 printf("Line %d: invalid cipher '%s'.", line, start);
886 os_free(buf);
887 return -1;
888 }
889
890 if (last)
891 break;
892 start = end + 1;
893 }
894 os_free(buf);
895
896 if (val == 0) {
897 printf("Line %d: no cipher values configured.", line);
898 return -1;
899 }
900 return val;
901 }
902
903
904 static int hostapd_config_check_bss(struct hostapd_bss_config *bss,
905 struct hostapd_config *conf)
906 {
907 if (bss->ieee802_1x && !bss->eap_server &&
908 !bss->radius->auth_servers) {
909 printf("Invalid IEEE 802.1X configuration (no EAP "
910 "authenticator configured).\n");
911 return -1;
912 }
913
914 if (bss->wpa && (bss->wpa_key_mgmt & WPA_KEY_MGMT_PSK) &&
915 bss->ssid.wpa_psk == NULL && bss->ssid.wpa_passphrase == NULL &&
916 bss->ssid.wpa_psk_file == NULL) {
917 printf("WPA-PSK enabled, but PSK or passphrase is not "
918 "configured.\n");
919 return -1;
920 }
921
922 if (hostapd_mac_comp_empty(bss->bssid) != 0) {
923 size_t i;
924
925 for (i = 0; i < conf->num_bss; i++) {
926 if ((&conf->bss[i] != bss) &&
927 (hostapd_mac_comp(conf->bss[i].bssid,
928 bss->bssid) == 0)) {
929 printf("Duplicate BSSID " MACSTR
930 " on interface '%s' and '%s'.\n",
931 MAC2STR(bss->bssid),
932 conf->bss[i].iface, bss->iface);
933 return -1;
934 }
935 }
936 }
937
938 #ifdef CONFIG_IEEE80211R
939 if ((bss->wpa_key_mgmt &
940 (WPA_KEY_MGMT_FT_PSK | WPA_KEY_MGMT_FT_IEEE8021X)) &&
941 (bss->nas_identifier == NULL ||
942 os_strlen(bss->nas_identifier) < 1 ||
943 os_strlen(bss->nas_identifier) > FT_R0KH_ID_MAX_LEN)) {
944 printf("FT (IEEE 802.11r) requires nas_identifier to be "
945 "configured as a 1..48 octet string\n");
946 return -1;
947 }
948 #endif /* CONFIG_IEEE80211R */
949
950 return 0;
951 }
952
953
954 static int hostapd_config_check(struct hostapd_config *conf)
955 {
956 size_t i;
957
958 for (i = 0; i < conf->num_bss; i++) {
959 if (hostapd_config_check_bss(&conf->bss[i], conf))
960 return -1;
961 }
962
963 return 0;
964 }
965
966
967 static int hostapd_config_read_wep(struct hostapd_wep_keys *wep, int keyidx,
968 char *val)
969 {
970 size_t len = os_strlen(val);
971
972 if (keyidx < 0 || keyidx > 3 || wep->key[keyidx] != NULL)
973 return -1;
974
975 if (val[0] == '"') {
976 if (len < 2 || val[len - 1] != '"')
977 return -1;
978 len -= 2;
979 wep->key[keyidx] = os_malloc(len);
980 if (wep->key[keyidx] == NULL)
981 return -1;
982 os_memcpy(wep->key[keyidx], val + 1, len);
983 wep->len[keyidx] = len;
984 } else {
985 if (len & 1)
986 return -1;
987 len /= 2;
988 wep->key[keyidx] = os_malloc(len);
989 if (wep->key[keyidx] == NULL)
990 return -1;
991 wep->len[keyidx] = len;
992 if (hexstr2bin(val, wep->key[keyidx], len) < 0)
993 return -1;
994 }
995
996 wep->keys_set++;
997
998 return 0;
999 }
1000
1001
1002 static int hostapd_parse_rates(int **rate_list, char *val)
1003 {
1004 int *list;
1005 int count;
1006 char *pos, *end;
1007
1008 os_free(*rate_list);
1009 *rate_list = NULL;
1010
1011 pos = val;
1012 count = 0;
1013 while (*pos != '\0') {
1014 if (*pos == ' ')
1015 count++;
1016 pos++;
1017 }
1018
1019 list = os_malloc(sizeof(int) * (count + 2));
1020 if (list == NULL)
1021 return -1;
1022 pos = val;
1023 count = 0;
1024 while (*pos != '\0') {
1025 end = os_strchr(pos, ' ');
1026 if (end)
1027 *end = '\0';
1028
1029 list[count++] = atoi(pos);
1030 if (!end)
1031 break;
1032 pos = end + 1;
1033 }
1034 list[count] = -1;
1035
1036 *rate_list = list;
1037 return 0;
1038 }
1039
1040
1041 static int hostapd_config_bss(struct hostapd_config *conf, const char *ifname)
1042 {
1043 struct hostapd_bss_config *bss;
1044
1045 if (*ifname == '\0')
1046 return -1;
1047
1048 bss = os_realloc(conf->bss, (conf->num_bss + 1) *
1049 sizeof(struct hostapd_bss_config));
1050 if (bss == NULL) {
1051 printf("Failed to allocate memory for multi-BSS entry\n");
1052 return -1;
1053 }
1054 conf->bss = bss;
1055
1056 bss = &(conf->bss[conf->num_bss]);
1057 os_memset(bss, 0, sizeof(*bss));
1058 bss->radius = os_zalloc(sizeof(*bss->radius));
1059 if (bss->radius == NULL) {
1060 printf("Failed to allocate memory for multi-BSS RADIUS "
1061 "data\n");
1062 return -1;
1063 }
1064
1065 conf->num_bss++;
1066 conf->last_bss = bss;
1067
1068 hostapd_config_defaults_bss(bss);
1069 os_strlcpy(bss->iface, ifname, sizeof(bss->iface));
1070 os_memcpy(bss->ssid.vlan, bss->iface, IFNAMSIZ + 1);
1071
1072 return 0;
1073 }
1074
1075
1076 static int valid_cw(int cw)
1077 {
1078 return (cw == 1 || cw == 3 || cw == 7 || cw == 15 || cw == 31 ||
1079 cw == 63 || cw == 127 || cw == 255 || cw == 511 || cw == 1023);
1080 }
1081
1082
1083 enum {
1084 IEEE80211_TX_QUEUE_DATA0 = 0, /* used for EDCA AC_VO data */
1085 IEEE80211_TX_QUEUE_DATA1 = 1, /* used for EDCA AC_VI data */
1086 IEEE80211_TX_QUEUE_DATA2 = 2, /* used for EDCA AC_BE data */
1087 IEEE80211_TX_QUEUE_DATA3 = 3, /* used for EDCA AC_BK data */
1088 IEEE80211_TX_QUEUE_DATA4 = 4,
1089 IEEE80211_TX_QUEUE_AFTER_BEACON = 6,
1090 IEEE80211_TX_QUEUE_BEACON = 7
1091 };
1092
1093 static int hostapd_config_tx_queue(struct hostapd_config *conf, char *name,
1094 char *val)
1095 {
1096 int num;
1097 char *pos;
1098 struct hostapd_tx_queue_params *queue;
1099
1100 /* skip 'tx_queue_' prefix */
1101 pos = name + 9;
1102 if (os_strncmp(pos, "data", 4) == 0 &&
1103 pos[4] >= '0' && pos[4] <= '9' && pos[5] == '_') {
1104 num = pos[4] - '0';
1105 pos += 6;
1106 } else if (os_strncmp(pos, "after_beacon_", 13) == 0) {
1107 num = IEEE80211_TX_QUEUE_AFTER_BEACON;
1108 pos += 13;
1109 } else if (os_strncmp(pos, "beacon_", 7) == 0) {
1110 num = IEEE80211_TX_QUEUE_BEACON;
1111 pos += 7;
1112 } else {
1113 printf("Unknown tx_queue name '%s'\n", pos);
1114 return -1;
1115 }
1116
1117 queue = &conf->tx_queue[num];
1118
1119 if (os_strcmp(pos, "aifs") == 0) {
1120 queue->aifs = atoi(val);
1121 if (queue->aifs < 0 || queue->aifs > 255) {
1122 printf("Invalid AIFS value %d\n", queue->aifs);
1123 return -1;
1124 }
1125 } else if (os_strcmp(pos, "cwmin") == 0) {
1126 queue->cwmin = atoi(val);
1127 if (!valid_cw(queue->cwmin)) {
1128 printf("Invalid cwMin value %d\n", queue->cwmin);
1129 return -1;
1130 }
1131 } else if (os_strcmp(pos, "cwmax") == 0) {
1132 queue->cwmax = atoi(val);
1133 if (!valid_cw(queue->cwmax)) {
1134 printf("Invalid cwMax value %d\n", queue->cwmax);
1135 return -1;
1136 }
1137 } else if (os_strcmp(pos, "burst") == 0) {
1138 queue->burst = hostapd_config_read_int10(val);
1139 } else {
1140 printf("Unknown tx_queue field '%s'\n", pos);
1141 return -1;
1142 }
1143
1144 queue->configured = 1;
1145
1146 return 0;
1147 }
1148
1149
1150 static int hostapd_config_wme_ac(struct hostapd_config *conf, char *name,
1151 char *val)
1152 {
1153 int num, v;
1154 char *pos;
1155 struct hostapd_wme_ac_params *ac;
1156
1157 /* skip 'wme_ac_' prefix */
1158 pos = name + 7;
1159 if (os_strncmp(pos, "be_", 3) == 0) {
1160 num = 0;
1161 pos += 3;
1162 } else if (os_strncmp(pos, "bk_", 3) == 0) {
1163 num = 1;
1164 pos += 3;
1165 } else if (os_strncmp(pos, "vi_", 3) == 0) {
1166 num = 2;
1167 pos += 3;
1168 } else if (os_strncmp(pos, "vo_", 3) == 0) {
1169 num = 3;
1170 pos += 3;
1171 } else {
1172 printf("Unknown wme name '%s'\n", pos);
1173 return -1;
1174 }
1175
1176 ac = &conf->wme_ac_params[num];
1177
1178 if (os_strcmp(pos, "aifs") == 0) {
1179 v = atoi(val);
1180 if (v < 1 || v > 255) {
1181 printf("Invalid AIFS value %d\n", v);
1182 return -1;
1183 }
1184 ac->aifs = v;
1185 } else if (os_strcmp(pos, "cwmin") == 0) {
1186 v = atoi(val);
1187 if (v < 0 || v > 12) {
1188 printf("Invalid cwMin value %d\n", v);
1189 return -1;
1190 }
1191 ac->cwmin = v;
1192 } else if (os_strcmp(pos, "cwmax") == 0) {
1193 v = atoi(val);
1194 if (v < 0 || v > 12) {
1195 printf("Invalid cwMax value %d\n", v);
1196 return -1;
1197 }
1198 ac->cwmax = v;
1199 } else if (os_strcmp(pos, "txop_limit") == 0) {
1200 v = atoi(val);
1201 if (v < 0 || v > 0xffff) {
1202 printf("Invalid txop value %d\n", v);
1203 return -1;
1204 }
1205 ac->txopLimit = v;
1206 } else if (os_strcmp(pos, "acm") == 0) {
1207 v = atoi(val);
1208 if (v < 0 || v > 1) {
1209 printf("Invalid acm value %d\n", v);
1210 return -1;
1211 }
1212 ac->admission_control_mandatory = v;
1213 } else {
1214 printf("Unknown wme_ac_ field '%s'\n", pos);
1215 return -1;
1216 }
1217
1218 return 0;
1219 }
1220
1221
1222 #ifdef CONFIG_IEEE80211R
1223 static int add_r0kh(struct hostapd_bss_config *bss, char *value)
1224 {
1225 struct ft_remote_r0kh *r0kh;
1226 char *pos, *next;
1227
1228 r0kh = os_zalloc(sizeof(*r0kh));
1229 if (r0kh == NULL)
1230 return -1;
1231
1232 /* 02:01:02:03:04:05 a.example.com 000102030405060708090a0b0c0d0e0f */
1233 pos = value;
1234 next = os_strchr(pos, ' ');
1235 if (next)
1236 *next++ = '\0';
1237 if (next == NULL || hwaddr_aton(pos, r0kh->addr)) {
1238 printf("Invalid R0KH MAC address: '%s'\n", pos);
1239 os_free(r0kh);
1240 return -1;
1241 }
1242
1243 pos = next;
1244 next = os_strchr(pos, ' ');
1245 if (next)
1246 *next++ = '\0';
1247 if (next == NULL || next - pos > FT_R0KH_ID_MAX_LEN) {
1248 printf("Invalid R0KH-ID: '%s'\n", pos);
1249 os_free(r0kh);
1250 return -1;
1251 }
1252 r0kh->id_len = next - pos - 1;
1253 os_memcpy(r0kh->id, pos, r0kh->id_len);
1254
1255 pos = next;
1256 if (hexstr2bin(pos, r0kh->key, sizeof(r0kh->key))) {
1257 printf("Invalid R0KH key: '%s'\n", pos);
1258 os_free(r0kh);
1259 return -1;
1260 }
1261
1262 r0kh->next = bss->r0kh_list;
1263 bss->r0kh_list = r0kh;
1264
1265 return 0;
1266 }
1267
1268
1269 static int add_r1kh(struct hostapd_bss_config *bss, char *value)
1270 {
1271 struct ft_remote_r1kh *r1kh;
1272 char *pos, *next;
1273
1274 r1kh = os_zalloc(sizeof(*r1kh));
1275 if (r1kh == NULL)
1276 return -1;
1277
1278 /* 02:01:02:03:04:05 02:01:02:03:04:05
1279 * 000102030405060708090a0b0c0d0e0f */
1280 pos = value;
1281 next = os_strchr(pos, ' ');
1282 if (next)
1283 *next++ = '\0';
1284 if (next == NULL || hwaddr_aton(pos, r1kh->addr)) {
1285 printf("Invalid R1KH MAC address: '%s'\n", pos);
1286 os_free(r1kh);
1287 return -1;
1288 }
1289
1290 pos = next;
1291 next = os_strchr(pos, ' ');
1292 if (next)
1293 *next++ = '\0';
1294 if (next == NULL || hwaddr_aton(pos, r1kh->id)) {
1295 printf("Invalid R1KH-ID: '%s'\n", pos);
1296 os_free(r1kh);
1297 return -1;
1298 }
1299
1300 pos = next;
1301 if (hexstr2bin(pos, r1kh->key, sizeof(r1kh->key))) {
1302 printf("Invalid R1KH key: '%s'\n", pos);
1303 os_free(r1kh);
1304 return -1;
1305 }
1306
1307 r1kh->next = bss->r1kh_list;
1308 bss->r1kh_list = r1kh;
1309
1310 return 0;
1311 }
1312 #endif /* CONFIG_IEEE80211R */
1313
1314
1315 struct hostapd_config * hostapd_config_read(const char *fname)
1316 {
1317 struct hostapd_config *conf;
1318 struct hostapd_bss_config *bss;
1319 FILE *f;
1320 char buf[256], *pos;
1321 int line = 0;
1322 int errors = 0;
1323 int pairwise;
1324 size_t i;
1325
1326 f = fopen(fname, "r");
1327 if (f == NULL) {
1328 printf("Could not open configuration file '%s' for reading.\n",
1329 fname);
1330 return NULL;
1331 }
1332
1333 conf = hostapd_config_defaults();
1334 if (conf == NULL) {
1335 fclose(f);
1336 return NULL;
1337 }
1338 bss = conf->last_bss = conf->bss;
1339
1340 while (fgets(buf, sizeof(buf), f)) {
1341 bss = conf->last_bss;
1342 line++;
1343
1344 if (buf[0] == '#')
1345 continue;
1346 pos = buf;
1347 while (*pos != '\0') {
1348 if (*pos == '\n') {
1349 *pos = '\0';
1350 break;
1351 }
1352 pos++;
1353 }
1354 if (buf[0] == '\0')
1355 continue;
1356
1357 pos = os_strchr(buf, '=');
1358 if (pos == NULL) {
1359 printf("Line %d: invalid line '%s'\n", line, buf);
1360 errors++;
1361 continue;
1362 }
1363 *pos = '\0';
1364 pos++;
1365
1366 if (os_strcmp(buf, "interface") == 0) {
1367 os_strlcpy(conf->bss[0].iface, pos,
1368 sizeof(conf->bss[0].iface));
1369 } else if (os_strcmp(buf, "bridge") == 0) {
1370 os_strlcpy(bss->bridge, pos, sizeof(bss->bridge));
1371 } else if (os_strcmp(buf, "driver") == 0) {
1372 int i;
1373 /* clear to get error below if setting is invalid */
1374 conf->driver = NULL;
1375 for (i = 0; hostapd_drivers[i]; i++) {
1376 if (os_strcmp(pos, hostapd_drivers[i]->name) ==
1377 0) {
1378 conf->driver = hostapd_drivers[i];
1379 break;
1380 }
1381 }
1382 if (conf->driver == NULL) {
1383 printf("Line %d: invalid/unknown driver "
1384 "'%s'\n", line, pos);
1385 errors++;
1386 }
1387 } else if (os_strcmp(buf, "debug") == 0) {
1388 wpa_printf(MSG_DEBUG, "Line %d: DEPRECATED: 'debug' "
1389 "configuration variable is not used "
1390 "anymore", line);
1391 } else if (os_strcmp(buf, "logger_syslog_level") == 0) {
1392 bss->logger_syslog_level = atoi(pos);
1393 } else if (os_strcmp(buf, "logger_stdout_level") == 0) {
1394 bss->logger_stdout_level = atoi(pos);
1395 } else if (os_strcmp(buf, "logger_syslog") == 0) {
1396 bss->logger_syslog = atoi(pos);
1397 } else if (os_strcmp(buf, "logger_stdout") == 0) {
1398 bss->logger_stdout = atoi(pos);
1399 } else if (os_strcmp(buf, "dump_file") == 0) {
1400 bss->dump_log_name = os_strdup(pos);
1401 } else if (os_strcmp(buf, "ssid") == 0) {
1402 bss->ssid.ssid_len = os_strlen(pos);
1403 if (bss->ssid.ssid_len > HOSTAPD_MAX_SSID_LEN ||
1404 bss->ssid.ssid_len < 1) {
1405 printf("Line %d: invalid SSID '%s'\n", line,
1406 pos);
1407 errors++;
1408 } else {
1409 os_memcpy(bss->ssid.ssid, pos,
1410 bss->ssid.ssid_len);
1411 bss->ssid.ssid[bss->ssid.ssid_len] = '\0';
1412 bss->ssid.ssid_set = 1;
1413 }
1414 } else if (os_strcmp(buf, "macaddr_acl") == 0) {
1415 bss->macaddr_acl = atoi(pos);
1416 if (bss->macaddr_acl != ACCEPT_UNLESS_DENIED &&
1417 bss->macaddr_acl != DENY_UNLESS_ACCEPTED &&
1418 bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH) {
1419 printf("Line %d: unknown macaddr_acl %d\n",
1420 line, bss->macaddr_acl);
1421 }
1422 } else if (os_strcmp(buf, "accept_mac_file") == 0) {
1423 if (hostapd_config_read_maclist(pos, &bss->accept_mac,
1424 &bss->num_accept_mac))
1425 {
1426 printf("Line %d: Failed to read "
1427 "accept_mac_file '%s'\n",
1428 line, pos);
1429 errors++;
1430 }
1431 } else if (os_strcmp(buf, "deny_mac_file") == 0) {
1432 if (hostapd_config_read_maclist(pos, &bss->deny_mac,
1433 &bss->num_deny_mac))
1434 {
1435 printf("Line %d: Failed to read "
1436 "deny_mac_file '%s'\n",
1437 line, pos);
1438 errors++;
1439 }
1440 } else if (os_strcmp(buf, "ap_max_inactivity") == 0) {
1441 bss->ap_max_inactivity = atoi(pos);
1442 } else if (os_strcmp(buf, "country_code") == 0) {
1443 os_memcpy(conf->country, pos, 2);
1444 /* FIX: make this configurable */
1445 conf->country[2] = ' ';
1446 } else if (os_strcmp(buf, "ieee80211d") == 0) {
1447 conf->ieee80211d = atoi(pos);
1448 } else if (os_strcmp(buf, "ieee80211h") == 0) {
1449 conf->ieee80211h = atoi(pos);
1450 } else if (os_strcmp(buf, "assoc_ap_addr") == 0) {
1451 if (hwaddr_aton(pos, bss->assoc_ap_addr)) {
1452 printf("Line %d: invalid MAC address '%s'\n",
1453 line, pos);
1454 errors++;
1455 }
1456 bss->assoc_ap = 1;
1457 } else if (os_strcmp(buf, "ieee8021x") == 0) {
1458 bss->ieee802_1x = atoi(pos);
1459 } else if (os_strcmp(buf, "eapol_version") == 0) {
1460 bss->eapol_version = atoi(pos);
1461 if (bss->eapol_version < 1 ||
1462 bss->eapol_version > 2) {
1463 printf("Line %d: invalid EAPOL "
1464 "version (%d): '%s'.\n",
1465 line, bss->eapol_version, pos);
1466 errors++;
1467 } else
1468 wpa_printf(MSG_DEBUG, "eapol_version=%d",
1469 bss->eapol_version);
1470 #ifdef EAP_SERVER
1471 } else if (os_strcmp(buf, "eap_authenticator") == 0) {
1472 bss->eap_server = atoi(pos);
1473 printf("Line %d: obsolete eap_authenticator used; "
1474 "this has been renamed to eap_server\n", line);
1475 } else if (os_strcmp(buf, "eap_server") == 0) {
1476 bss->eap_server = atoi(pos);
1477 } else if (os_strcmp(buf, "eap_user_file") == 0) {
1478 if (hostapd_config_read_eap_user(pos, bss))
1479 errors++;
1480 } else if (os_strcmp(buf, "ca_cert") == 0) {
1481 os_free(bss->ca_cert);
1482 bss->ca_cert = os_strdup(pos);
1483 } else if (os_strcmp(buf, "server_cert") == 0) {
1484 os_free(bss->server_cert);
1485 bss->server_cert = os_strdup(pos);
1486 } else if (os_strcmp(buf, "private_key") == 0) {
1487 os_free(bss->private_key);
1488 bss->private_key = os_strdup(pos);
1489 } else if (os_strcmp(buf, "private_key_passwd") == 0) {
1490 os_free(bss->private_key_passwd);
1491 bss->private_key_passwd = os_strdup(pos);
1492 } else if (os_strcmp(buf, "check_crl") == 0) {
1493 bss->check_crl = atoi(pos);
1494 } else if (os_strcmp(buf, "dh_file") == 0) {
1495 os_free(bss->dh_file);
1496 bss->dh_file = os_strdup(pos);
1497 #ifdef EAP_FAST
1498 } else if (os_strcmp(buf, "pac_opaque_encr_key") == 0) {
1499 os_free(bss->pac_opaque_encr_key);
1500 bss->pac_opaque_encr_key = os_malloc(16);
1501 if (bss->pac_opaque_encr_key == NULL) {
1502 printf("Line %d: No memory for "
1503 "pac_opque_encr_key\n", line);
1504 errors++;
1505 } else if (hexstr2bin(pos, bss->pac_opaque_encr_key,
1506 16)) {
1507 printf("Line %d: Invalid pac_opque_encr_key\n",
1508 line);
1509 errors++;
1510 }
1511 } else if (os_strcmp(buf, "eap_fast_a_id") == 0) {
1512 size_t idlen = os_strlen(pos);
1513 if (idlen & 1) {
1514 printf("Line %d: Invalid eap_fast_a_id\n",
1515 line);
1516 errors++;
1517 } else {
1518 os_free(bss->eap_fast_a_id);
1519 bss->eap_fast_a_id = os_malloc(idlen / 2);
1520 if (bss->eap_fast_a_id == NULL ||
1521 hexstr2bin(pos, bss->eap_fast_a_id,
1522 idlen / 2)) {
1523 printf("Line %d: Failed to parse "
1524 "eap_fast_a_id\n", line);
1525 errors++;
1526 } else
1527 bss->eap_fast_a_id_len = idlen / 2;
1528 }
1529 } else if (os_strcmp(buf, "eap_fast_a_id_info") == 0) {
1530 os_free(bss->eap_fast_a_id_info);
1531 bss->eap_fast_a_id_info = os_strdup(pos);
1532 } else if (os_strcmp(buf, "eap_fast_prov") == 0) {
1533 bss->eap_fast_prov = atoi(pos);
1534 } else if (os_strcmp(buf, "pac_key_lifetime") == 0) {
1535 bss->pac_key_lifetime = atoi(pos);
1536 } else if (os_strcmp(buf, "pac_key_refresh_time") == 0) {
1537 bss->pac_key_refresh_time = atoi(pos);
1538 #endif /* EAP_FAST */
1539 #ifdef EAP_SIM
1540 } else if (os_strcmp(buf, "eap_sim_db") == 0) {
1541 os_free(bss->eap_sim_db);
1542 bss->eap_sim_db = os_strdup(pos);
1543 } else if (os_strcmp(buf, "eap_sim_aka_result_ind") == 0) {
1544 bss->eap_sim_aka_result_ind = atoi(pos);
1545 #endif /* EAP_SIM */
1546 #ifdef EAP_TNC
1547 } else if (os_strcmp(buf, "tnc") == 0) {
1548 bss->tnc = atoi(pos);
1549 #endif /* EAP_TNC */
1550 #endif /* EAP_SERVER */
1551 } else if (os_strcmp(buf, "eap_message") == 0) {
1552 char *term;
1553 bss->eap_req_id_text = os_strdup(pos);
1554 if (bss->eap_req_id_text == NULL) {
1555 printf("Line %d: Failed to allocate memory "
1556 "for eap_req_id_text\n", line);
1557 errors++;
1558 continue;
1559 }
1560 bss->eap_req_id_text_len =
1561 os_strlen(bss->eap_req_id_text);
1562 term = os_strstr(bss->eap_req_id_text, "\\0");
1563 if (term) {
1564 *term++ = '\0';
1565 os_memmove(term, term + 1,
1566 bss->eap_req_id_text_len -
1567 (term - bss->eap_req_id_text) - 1);
1568 bss->eap_req_id_text_len--;
1569 }
1570 } else if (os_strcmp(buf, "wep_key_len_broadcast") == 0) {
1571 bss->default_wep_key_len = atoi(pos);
1572 if (bss->default_wep_key_len > 13) {
1573 printf("Line %d: invalid WEP key len %lu "
1574 "(= %lu bits)\n", line,
1575 (unsigned long)
1576 bss->default_wep_key_len,
1577 (unsigned long)
1578 bss->default_wep_key_len * 8);
1579 errors++;
1580 }
1581 } else if (os_strcmp(buf, "wep_key_len_unicast") == 0) {
1582 bss->individual_wep_key_len = atoi(pos);
1583 if (bss->individual_wep_key_len < 0 ||
1584 bss->individual_wep_key_len > 13) {
1585 printf("Line %d: invalid WEP key len %d "
1586 "(= %d bits)\n", line,
1587 bss->individual_wep_key_len,
1588 bss->individual_wep_key_len * 8);
1589 errors++;
1590 }
1591 } else if (os_strcmp(buf, "wep_rekey_period") == 0) {
1592 bss->wep_rekeying_period = atoi(pos);
1593 if (bss->wep_rekeying_period < 0) {
1594 printf("Line %d: invalid period %d\n",
1595 line, bss->wep_rekeying_period);
1596 errors++;
1597 }
1598 } else if (os_strcmp(buf, "eap_reauth_period") == 0) {
1599 bss->eap_reauth_period = atoi(pos);
1600 if (bss->eap_reauth_period < 0) {
1601 printf("Line %d: invalid period %d\n",
1602 line, bss->eap_reauth_period);
1603 errors++;
1604 }
1605 } else if (os_strcmp(buf, "eapol_key_index_workaround") == 0) {
1606 bss->eapol_key_index_workaround = atoi(pos);
1607 #ifdef CONFIG_IAPP
1608 } else if (os_strcmp(buf, "iapp_interface") == 0) {
1609 bss->ieee802_11f = 1;
1610 os_strlcpy(bss->iapp_iface, pos,
1611 sizeof(bss->iapp_iface));
1612 #endif /* CONFIG_IAPP */
1613 } else if (os_strcmp(buf, "own_ip_addr") == 0) {
1614 if (hostapd_parse_ip_addr(pos, &bss->own_ip_addr)) {
1615 printf("Line %d: invalid IP address '%s'\n",
1616 line, pos);
1617 errors++;
1618 }
1619 } else if (os_strcmp(buf, "nas_identifier") == 0) {
1620 bss->nas_identifier = os_strdup(pos);
1621 } else if (os_strcmp(buf, "auth_server_addr") == 0) {
1622 if (hostapd_config_read_radius_addr(
1623 &bss->radius->auth_servers,
1624 &bss->radius->num_auth_servers, pos, 1812,
1625 &bss->radius->auth_server)) {
1626 printf("Line %d: invalid IP address '%s'\n",
1627 line, pos);
1628 errors++;
1629 }
1630 } else if (bss->radius->auth_server &&
1631 os_strcmp(buf, "auth_server_port") == 0) {
1632 bss->radius->auth_server->port = atoi(pos);
1633 } else if (bss->radius->auth_server &&
1634 os_strcmp(buf, "auth_server_shared_secret") == 0) {
1635 int len = os_strlen(pos);
1636 if (len == 0) {
1637 /* RFC 2865, Ch. 3 */
1638 printf("Line %d: empty shared secret is not "
1639 "allowed.\n", line);
1640 errors++;
1641 }
1642 bss->radius->auth_server->shared_secret =
1643 (u8 *) os_strdup(pos);
1644 bss->radius->auth_server->shared_secret_len = len;
1645 } else if (os_strcmp(buf, "acct_server_addr") == 0) {
1646 if (hostapd_config_read_radius_addr(
1647 &bss->radius->acct_servers,
1648 &bss->radius->num_acct_servers, pos, 1813,
1649 &bss->radius->acct_server)) {
1650 printf("Line %d: invalid IP address '%s'\n",
1651 line, pos);
1652 errors++;
1653 }
1654 } else if (bss->radius->acct_server &&
1655 os_strcmp(buf, "acct_server_port") == 0) {
1656 bss->radius->acct_server->port = atoi(pos);
1657 } else if (bss->radius->acct_server &&
1658 os_strcmp(buf, "acct_server_shared_secret") == 0) {
1659 int len = os_strlen(pos);
1660 if (len == 0) {
1661 /* RFC 2865, Ch. 3 */
1662 printf("Line %d: empty shared secret is not "
1663 "allowed.\n", line);
1664 errors++;
1665 }
1666 bss->radius->acct_server->shared_secret =
1667 (u8 *) os_strdup(pos);
1668 bss->radius->acct_server->shared_secret_len = len;
1669 } else if (os_strcmp(buf, "radius_retry_primary_interval") ==
1670 0) {
1671 bss->radius->retry_primary_interval = atoi(pos);
1672 } else if (os_strcmp(buf, "radius_acct_interim_interval") == 0)
1673 {
1674 bss->radius->acct_interim_interval = atoi(pos);
1675 } else if (os_strcmp(buf, "auth_algs") == 0) {
1676 bss->auth_algs = atoi(pos);
1677 if (bss->auth_algs == 0) {
1678 printf("Line %d: no authentication algorithms "
1679 "allowed\n",
1680 line);
1681 errors++;
1682 }
1683 } else if (os_strcmp(buf, "max_num_sta") == 0) {
1684 bss->max_num_sta = atoi(pos);
1685 if (bss->max_num_sta < 0 ||
1686 bss->max_num_sta > MAX_STA_COUNT) {
1687 printf("Line %d: Invalid max_num_sta=%d; "
1688 "allowed range 0..%d\n", line,
1689 bss->max_num_sta, MAX_STA_COUNT);
1690 errors++;
1691 }
1692 } else if (os_strcmp(buf, "wpa") == 0) {
1693 bss->wpa = atoi(pos);
1694 } else if (os_strcmp(buf, "wpa_group_rekey") == 0) {
1695 bss->wpa_group_rekey = atoi(pos);
1696 } else if (os_strcmp(buf, "wpa_strict_rekey") == 0) {
1697 bss->wpa_strict_rekey = atoi(pos);
1698 } else if (os_strcmp(buf, "wpa_gmk_rekey") == 0) {
1699 bss->wpa_gmk_rekey = atoi(pos);
1700 } else if (os_strcmp(buf, "wpa_ptk_rekey") == 0) {
1701 bss->wpa_ptk_rekey = atoi(pos);
1702 } else if (os_strcmp(buf, "wpa_passphrase") == 0) {
1703 int len = os_strlen(pos);
1704 if (len < 8 || len > 63) {
1705 printf("Line %d: invalid WPA passphrase length"
1706 " %d (expected 8..63)\n", line, len);
1707 errors++;
1708 } else {
1709 os_free(bss->ssid.wpa_passphrase);
1710 bss->ssid.wpa_passphrase = os_strdup(pos);
1711 }
1712 } else if (os_strcmp(buf, "wpa_psk") == 0) {
1713 os_free(bss->ssid.wpa_psk);
1714 bss->ssid.wpa_psk =
1715 os_zalloc(sizeof(struct hostapd_wpa_psk));
1716 if (bss->ssid.wpa_psk == NULL)
1717 errors++;
1718 else if (hexstr2bin(pos, bss->ssid.wpa_psk->psk,
1719 PMK_LEN) ||
1720 pos[PMK_LEN * 2] != '\0') {
1721 printf("Line %d: Invalid PSK '%s'.\n", line,
1722 pos);
1723 errors++;
1724 } else {
1725 bss->ssid.wpa_psk->group = 1;
1726 }
1727 } else if (os_strcmp(buf, "wpa_psk_file") == 0) {
1728 os_free(bss->ssid.wpa_psk_file);
1729 bss->ssid.wpa_psk_file = os_strdup(pos);
1730 if (!bss->ssid.wpa_psk_file) {
1731 printf("Line %d: allocation failed\n", line);
1732 errors++;
1733 }
1734 } else if (os_strcmp(buf, "wpa_key_mgmt") == 0) {
1735 bss->wpa_key_mgmt =
1736 hostapd_config_parse_key_mgmt(line, pos);
1737 if (bss->wpa_key_mgmt == -1)
1738 errors++;
1739 } else if (os_strcmp(buf, "wpa_pairwise") == 0) {
1740 bss->wpa_pairwise =
1741 hostapd_config_parse_cipher(line, pos);
1742 if (bss->wpa_pairwise == -1 ||
1743 bss->wpa_pairwise == 0)
1744 errors++;
1745 else if (bss->wpa_pairwise &
1746 (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 |
1747 WPA_CIPHER_WEP104)) {
1748 printf("Line %d: unsupported pairwise "
1749 "cipher suite '%s'\n",
1750 bss->wpa_pairwise, pos);
1751 errors++;
1752 }
1753 } else if (os_strcmp(buf, "rsn_pairwise") == 0) {
1754 bss->rsn_pairwise =
1755 hostapd_config_parse_cipher(line, pos);
1756 if (bss->rsn_pairwise == -1 ||
1757 bss->rsn_pairwise == 0)
1758 errors++;
1759 else if (bss->rsn_pairwise &
1760 (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 |
1761 WPA_CIPHER_WEP104)) {
1762 printf("Line %d: unsupported pairwise "
1763 "cipher suite '%s'\n",
1764 bss->rsn_pairwise, pos);
1765 errors++;
1766 }
1767 #ifdef CONFIG_RSN_PREAUTH
1768 } else if (os_strcmp(buf, "rsn_preauth") == 0) {
1769 bss->rsn_preauth = atoi(pos);
1770 } else if (os_strcmp(buf, "rsn_preauth_interfaces") == 0) {
1771 bss->rsn_preauth_interfaces = os_strdup(pos);
1772 #endif /* CONFIG_RSN_PREAUTH */
1773 #ifdef CONFIG_PEERKEY
1774 } else if (os_strcmp(buf, "peerkey") == 0) {
1775 bss->peerkey = atoi(pos);
1776 #endif /* CONFIG_PEERKEY */
1777 #ifdef CONFIG_IEEE80211R
1778 } else if (os_strcmp(buf, "mobility_domain") == 0) {
1779 if (os_strlen(pos) != 2 * MOBILITY_DOMAIN_ID_LEN ||
1780 hexstr2bin(pos, bss->mobility_domain,
1781 MOBILITY_DOMAIN_ID_LEN) != 0) {
1782 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
1783 "mobility_domain '%s'", line, pos);
1784 errors++;
1785 continue;
1786 }
1787 } else if (os_strcmp(buf, "r1_key_holder") == 0) {
1788 if (os_strlen(pos) != 2 * FT_R1KH_ID_LEN ||
1789 hexstr2bin(pos, bss->r1_key_holder,
1790 FT_R1KH_ID_LEN) != 0) {
1791 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
1792 "r1_key_holder '%s'", line, pos);
1793 errors++;
1794 continue;
1795 }
1796 } else if (os_strcmp(buf, "r0_key_lifetime") == 0) {
1797 bss->r0_key_lifetime = atoi(pos);
1798 } else if (os_strcmp(buf, "reassociation_deadline") == 0) {
1799 bss->reassociation_deadline = atoi(pos);
1800 } else if (os_strcmp(buf, "r0kh") == 0) {
1801 if (add_r0kh(bss, pos) < 0) {
1802 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
1803 "r0kh '%s'", line, pos);
1804 errors++;
1805 continue;
1806 }
1807 } else if (os_strcmp(buf, "r1kh") == 0) {
1808 if (add_r1kh(bss, pos) < 0) {
1809 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
1810 "r1kh '%s'", line, pos);
1811 errors++;
1812 continue;
1813 }
1814 } else if (os_strcmp(buf, "pmk_r1_push") == 0) {
1815 bss->pmk_r1_push = atoi(pos);
1816 #endif /* CONFIG_IEEE80211R */
1817 } else if (os_strcmp(buf, "ctrl_interface") == 0) {
1818 os_free(bss->ctrl_interface);
1819 bss->ctrl_interface = os_strdup(pos);
1820 } else if (os_strcmp(buf, "ctrl_interface_group") == 0) {
1821 #ifndef CONFIG_NATIVE_WINDOWS
1822 struct group *grp;
1823 char *endp;
1824 const char *group = pos;
1825
1826 grp = getgrnam(group);
1827 if (grp) {
1828 bss->ctrl_interface_gid = grp->gr_gid;
1829 bss->ctrl_interface_gid_set = 1;
1830 wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d"
1831 " (from group name '%s')",
1832 bss->ctrl_interface_gid, group);
1833 continue;
1834 }
1835
1836 /* Group name not found - try to parse this as gid */
1837 bss->ctrl_interface_gid = strtol(group, &endp, 10);
1838 if (*group == '\0' || *endp != '\0') {
1839 wpa_printf(MSG_DEBUG, "Line %d: Invalid group "
1840 "'%s'", line, group);
1841 errors++;
1842 continue;
1843 }
1844 bss->ctrl_interface_gid_set = 1;
1845 wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d",
1846 bss->ctrl_interface_gid);
1847 #endif /* CONFIG_NATIVE_WINDOWS */
1848 #ifdef RADIUS_SERVER
1849 } else if (os_strcmp(buf, "radius_server_clients") == 0) {
1850 os_free(bss->radius_server_clients);
1851 bss->radius_server_clients = os_strdup(pos);
1852 } else if (os_strcmp(buf, "radius_server_auth_port") == 0) {
1853 bss->radius_server_auth_port = atoi(pos);
1854 } else if (os_strcmp(buf, "radius_server_ipv6") == 0) {
1855 bss->radius_server_ipv6 = atoi(pos);
1856 #endif /* RADIUS_SERVER */
1857 } else if (os_strcmp(buf, "test_socket") == 0) {
1858 os_free(bss->test_socket);
1859 bss->test_socket = os_strdup(pos);
1860 } else if (os_strcmp(buf, "use_pae_group_addr") == 0) {
1861 bss->use_pae_group_addr = atoi(pos);
1862 } else if (os_strcmp(buf, "hw_mode") == 0) {
1863 if (os_strcmp(pos, "a") == 0)
1864 conf->hw_mode = HOSTAPD_MODE_IEEE80211A;
1865 else if (os_strcmp(pos, "b") == 0)
1866 conf->hw_mode = HOSTAPD_MODE_IEEE80211B;
1867 else if (os_strcmp(pos, "g") == 0)
1868 conf->hw_mode = HOSTAPD_MODE_IEEE80211G;
1869 else {
1870 printf("Line %d: unknown hw_mode '%s'\n",
1871 line, pos);
1872 errors++;
1873 }
1874 } else if (os_strcmp(buf, "channel") == 0) {
1875 conf->channel = atoi(pos);
1876 } else if (os_strcmp(buf, "beacon_int") == 0) {
1877 int val = atoi(pos);
1878 /* MIB defines range as 1..65535, but very small values
1879 * cause problems with the current implementation.
1880 * Since it is unlikely that this small numbers are
1881 * useful in real life scenarios, do not allow beacon
1882 * period to be set below 15 TU. */
1883 if (val < 15 || val > 65535) {
1884 printf("Line %d: invalid beacon_int %d "
1885 "(expected 15..65535)\n",
1886 line, val);
1887 errors++;
1888 } else
1889 conf->beacon_int = val;
1890 } else if (os_strcmp(buf, "dtim_period") == 0) {
1891 bss->dtim_period = atoi(pos);
1892 if (bss->dtim_period < 1 || bss->dtim_period > 255) {
1893 printf("Line %d: invalid dtim_period %d\n",
1894 line, bss->dtim_period);
1895 errors++;
1896 }
1897 } else if (os_strcmp(buf, "rts_threshold") == 0) {
1898 conf->rts_threshold = atoi(pos);
1899 if (conf->rts_threshold < 0 ||
1900 conf->rts_threshold > 2347) {
1901 printf("Line %d: invalid rts_threshold %d\n",
1902 line, conf->rts_threshold);
1903 errors++;
1904 }
1905 } else if (os_strcmp(buf, "fragm_threshold") == 0) {
1906 conf->fragm_threshold = atoi(pos);
1907 if (conf->fragm_threshold < 256 ||
1908 conf->fragm_threshold > 2346) {
1909 printf("Line %d: invalid fragm_threshold %d\n",
1910 line, conf->fragm_threshold);
1911 errors++;
1912 }
1913 } else if (os_strcmp(buf, "send_probe_response") == 0) {
1914 int val = atoi(pos);
1915 if (val != 0 && val != 1) {
1916 printf("Line %d: invalid send_probe_response "
1917 "%d (expected 0 or 1)\n", line, val);
1918 } else
1919 conf->send_probe_response = val;
1920 } else if (os_strcmp(buf, "supported_rates") == 0) {
1921 if (hostapd_parse_rates(&conf->supported_rates, pos)) {
1922 printf("Line %d: invalid rate list\n", line);
1923 errors++;
1924 }
1925 } else if (os_strcmp(buf, "basic_rates") == 0) {
1926 if (hostapd_parse_rates(&conf->basic_rates, pos)) {
1927 printf("Line %d: invalid rate list\n", line);
1928 errors++;
1929 }
1930 } else if (os_strcmp(buf, "preamble") == 0) {
1931 if (atoi(pos))
1932 conf->preamble = SHORT_PREAMBLE;
1933 else
1934 conf->preamble = LONG_PREAMBLE;
1935 } else if (os_strcmp(buf, "ignore_broadcast_ssid") == 0) {
1936 bss->ignore_broadcast_ssid = atoi(pos);
1937 } else if (os_strcmp(buf, "bridge_packets") == 0) {
1938 conf->bridge_packets = atoi(pos);
1939 } else if (os_strcmp(buf, "wep_default_key") == 0) {
1940 bss->ssid.wep.idx = atoi(pos);
1941 if (bss->ssid.wep.idx > 3) {
1942 printf("Invalid wep_default_key index %d\n",
1943 bss->ssid.wep.idx);
1944 errors++;
1945 }
1946 } else if (os_strcmp(buf, "wep_key0") == 0 ||
1947 os_strcmp(buf, "wep_key1") == 0 ||
1948 os_strcmp(buf, "wep_key2") == 0 ||
1949 os_strcmp(buf, "wep_key3") == 0) {
1950 if (hostapd_config_read_wep(&bss->ssid.wep,
1951 buf[7] - '0', pos)) {
1952 printf("Line %d: invalid WEP key '%s'\n",
1953 line, buf);
1954 errors++;
1955 }
1956 } else if (os_strcmp(buf, "dynamic_vlan") == 0) {
1957 bss->ssid.dynamic_vlan = atoi(pos);
1958 } else if (os_strcmp(buf, "vlan_file") == 0) {
1959 if (hostapd_config_read_vlan_file(bss, pos)) {
1960 printf("Line %d: failed to read VLAN file "
1961 "'%s'\n", line, pos);
1962 errors++;
1963 }
1964 #ifdef CONFIG_FULL_DYNAMIC_VLAN
1965 } else if (os_strcmp(buf, "vlan_tagged_interface") == 0) {
1966 bss->ssid.vlan_tagged_interface = os_strdup(pos);
1967 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
1968 } else if (os_strcmp(buf, "passive_scan_interval") == 0) {
1969 conf->passive_scan_interval = atoi(pos);
1970 } else if (os_strcmp(buf, "passive_scan_listen") == 0) {
1971 conf->passive_scan_listen = atoi(pos);
1972 } else if (os_strcmp(buf, "passive_scan_mode") == 0) {
1973 conf->passive_scan_mode = atoi(pos);
1974 } else if (os_strcmp(buf, "ap_table_max_size") == 0) {
1975 conf->ap_table_max_size = atoi(pos);
1976 } else if (os_strcmp(buf, "ap_table_expiration_time") == 0) {
1977 conf->ap_table_expiration_time = atoi(pos);
1978 } else if (os_strncmp(buf, "tx_queue_", 9) == 0) {
1979 if (hostapd_config_tx_queue(conf, buf, pos)) {
1980 printf("Line %d: invalid TX queue item\n",
1981 line);
1982 errors++;
1983 }
1984 } else if (os_strcmp(buf, "wme_enabled") == 0) {
1985 bss->wme_enabled = atoi(pos);
1986 } else if (os_strncmp(buf, "wme_ac_", 7) == 0) {
1987 if (hostapd_config_wme_ac(conf, buf, pos)) {
1988 printf("Line %d: invalid wme ac item\n",
1989 line);
1990 errors++;
1991 }
1992 } else if (os_strcmp(buf, "bss") == 0) {
1993 if (hostapd_config_bss(conf, pos)) {
1994 printf("Line %d: invalid bss item\n", line);
1995 errors++;
1996 }
1997 } else if (os_strcmp(buf, "bssid") == 0) {
1998 if (bss == conf->bss &&
1999 (!conf->driver || !conf->driver->init_bssid)) {
2000 printf("Line %d: bssid item not allowed "
2001 "for the default interface and this "
2002 "driver\n", line);
2003 errors++;
2004 } else if (hwaddr_aton(pos, bss->bssid)) {
2005 printf("Line %d: invalid bssid item\n", line);
2006 errors++;
2007 }
2008 #ifdef CONFIG_IEEE80211W
2009 } else if (os_strcmp(buf, "ieee80211w") == 0) {
2010 bss->ieee80211w = atoi(pos);
2011 } else if (os_strcmp(buf, "assoc_ping_timeout") == 0) {
2012 bss->assoc_ping_timeout = atoi(pos);
2013 if (bss->assoc_ping_timeout == 0) {
2014 printf("Line %d: invalid assoc_ping_timeout\n",
2015 line);
2016 errors++;
2017 }
2018 } else if (os_strcmp(buf, "assoc_ping_attempts") == 0) {
2019 bss->assoc_ping_timeout = atoi(pos);
2020 if (bss->assoc_ping_timeout == 0) {
2021 printf("Line %d: invalid assoc_ping_attempts "
2022 "(valid range: 1..255)\n",
2023 line);
2024 errors++;
2025 }
2026 #endif /* CONFIG_IEEE80211W */
2027 #ifdef CONFIG_IEEE80211N
2028 } else if (os_strcmp(buf, "ieee80211n") == 0) {
2029 conf->ieee80211n = atoi(pos);
2030 #endif /* CONFIG_IEEE80211N */
2031 } else if (os_strcmp(buf, "max_listen_interval") == 0) {
2032 bss->max_listen_interval = atoi(pos);
2033 } else if (os_strcmp(buf, "okc") == 0) {
2034 bss->okc = atoi(pos);
2035 } else {
2036 printf("Line %d: unknown configuration item '%s'\n",
2037 line, buf);
2038 errors++;
2039 }
2040 }
2041
2042 fclose(f);
2043
2044 if (bss->individual_wep_key_len == 0) {
2045 /* individual keys are not use; can use key idx0 for broadcast
2046 * keys */
2047 bss->broadcast_key_idx_min = 0;
2048 }
2049
2050 /* Select group cipher based on the enabled pairwise cipher suites */
2051 pairwise = 0;
2052 if (bss->wpa & 1)
2053 pairwise |= bss->wpa_pairwise;
2054 if (bss->wpa & 2) {
2055 if (bss->rsn_pairwise == 0)
2056 bss->rsn_pairwise = bss->wpa_pairwise;
2057 pairwise |= bss->rsn_pairwise;
2058 }
2059 if (pairwise & WPA_CIPHER_TKIP)
2060 bss->wpa_group = WPA_CIPHER_TKIP;
2061 else
2062 bss->wpa_group = WPA_CIPHER_CCMP;
2063
2064 for (i = 0; i < conf->num_bss; i++) {
2065 bss = &conf->bss[i];
2066
2067 bss->radius->auth_server = bss->radius->auth_servers;
2068 bss->radius->acct_server = bss->radius->acct_servers;
2069
2070 if (bss->wpa && bss->ieee802_1x) {
2071 bss->ssid.security_policy = SECURITY_WPA;
2072 } else if (bss->wpa) {
2073 bss->ssid.security_policy = SECURITY_WPA_PSK;
2074 } else if (bss->ieee802_1x) {
2075 bss->ssid.security_policy = SECURITY_IEEE_802_1X;
2076 bss->ssid.wep.default_len = bss->default_wep_key_len;
2077 } else if (bss->ssid.wep.keys_set)
2078 bss->ssid.security_policy = SECURITY_STATIC_WEP;
2079 else
2080 bss->ssid.security_policy = SECURITY_PLAINTEXT;
2081 }
2082
2083 if (hostapd_config_check(conf))
2084 errors++;
2085
2086 if (errors) {
2087 printf("%d errors found in configuration file '%s'\n",
2088 errors, fname);
2089 hostapd_config_free(conf);
2090 conf = NULL;
2091 }
2092
2093 return conf;
2094 }
2095
2096
2097 int hostapd_wep_key_cmp(struct hostapd_wep_keys *a, struct hostapd_wep_keys *b)
2098 {
2099 int i;
2100
2101 if (a->idx != b->idx || a->default_len != b->default_len)
2102 return 1;
2103 for (i = 0; i < NUM_WEP_KEYS; i++)
2104 if (a->len[i] != b->len[i] ||
2105 os_memcmp(a->key[i], b->key[i], a->len[i]) != 0)
2106 return 1;
2107 return 0;
2108 }
2109
2110
2111 static void hostapd_config_free_radius(struct hostapd_radius_server *servers,
2112 int num_servers)
2113 {
2114 int i;
2115
2116 for (i = 0; i < num_servers; i++) {
2117 os_free(servers[i].shared_secret);
2118 }
2119 os_free(servers);
2120 }
2121
2122
2123 static void hostapd_config_free_eap_user(struct hostapd_eap_user *user)
2124 {
2125 os_free(user->identity);
2126 os_free(user->password);
2127 os_free(user);
2128 }
2129
2130
2131 static void hostapd_config_free_wep(struct hostapd_wep_keys *keys)
2132 {
2133 int i;
2134 for (i = 0; i < NUM_WEP_KEYS; i++) {
2135 os_free(keys->key[i]);
2136 keys->key[i] = NULL;
2137 }
2138 }
2139
2140
2141 static void hostapd_config_free_bss(struct hostapd_bss_config *conf)
2142 {
2143 struct hostapd_wpa_psk *psk, *prev;
2144 struct hostapd_eap_user *user, *prev_user;
2145
2146 if (conf == NULL)
2147 return;
2148
2149 psk = conf->ssid.wpa_psk;
2150 while (psk) {
2151 prev = psk;
2152 psk = psk->next;
2153 os_free(prev);
2154 }
2155
2156 os_free(conf->ssid.wpa_passphrase);
2157 os_free(conf->ssid.wpa_psk_file);
2158 #ifdef CONFIG_FULL_DYNAMIC_VLAN
2159 os_free(conf->ssid.vlan_tagged_interface);
2160 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
2161
2162 user = conf->eap_user;
2163 while (user) {
2164 prev_user = user;
2165 user = user->next;
2166 hostapd_config_free_eap_user(prev_user);
2167 }
2168
2169 os_free(conf->dump_log_name);
2170 os_free(conf->eap_req_id_text);
2171 os_free(conf->accept_mac);
2172 os_free(conf->deny_mac);
2173 os_free(conf->nas_identifier);
2174 hostapd_config_free_radius(conf->radius->auth_servers,
2175 conf->radius->num_auth_servers);
2176 hostapd_config_free_radius(conf->radius->acct_servers,
2177 conf->radius->num_acct_servers);
2178 os_free(conf->rsn_preauth_interfaces);
2179 os_free(conf->ctrl_interface);
2180 os_free(conf->ca_cert);
2181 os_free(conf->server_cert);
2182 os_free(conf->private_key);
2183 os_free(conf->private_key_passwd);
2184 os_free(conf->dh_file);
2185 os_free(conf->pac_opaque_encr_key);
2186 os_free(conf->eap_fast_a_id);
2187 os_free(conf->eap_fast_a_id_info);
2188 os_free(conf->eap_sim_db);
2189 os_free(conf->radius_server_clients);
2190 os_free(conf->test_socket);
2191 os_free(conf->radius);
2192 hostapd_config_free_vlan(conf);
2193 if (conf->ssid.dyn_vlan_keys) {
2194 struct hostapd_ssid *ssid = &conf->ssid;
2195 size_t i;
2196 for (i = 0; i <= ssid->max_dyn_vlan_keys; i++) {
2197 if (ssid->dyn_vlan_keys[i] == NULL)
2198 continue;
2199 hostapd_config_free_wep(ssid->dyn_vlan_keys[i]);
2200 os_free(ssid->dyn_vlan_keys[i]);
2201 }
2202 os_free(ssid->dyn_vlan_keys);
2203 ssid->dyn_vlan_keys = NULL;
2204 }
2205
2206 #ifdef CONFIG_IEEE80211R
2207 {
2208 struct ft_remote_r0kh *r0kh, *r0kh_prev;
2209 struct ft_remote_r1kh *r1kh, *r1kh_prev;
2210
2211 r0kh = conf->r0kh_list;
2212 conf->r0kh_list = NULL;
2213 while (r0kh) {
2214 r0kh_prev = r0kh;
2215 r0kh = r0kh->next;
2216 os_free(r0kh_prev);
2217 }
2218
2219 r1kh = conf->r1kh_list;
2220 conf->r1kh_list = NULL;
2221 while (r1kh) {
2222 r1kh_prev = r1kh;
2223 r1kh = r1kh->next;
2224 os_free(r1kh_prev);
2225 }
2226 }
2227 #endif /* CONFIG_IEEE80211R */
2228 }
2229
2230
2231 void hostapd_config_free(struct hostapd_config *conf)
2232 {
2233 size_t i;
2234
2235 if (conf == NULL)
2236 return;
2237
2238 for (i = 0; i < conf->num_bss; i++)
2239 hostapd_config_free_bss(&conf->bss[i]);
2240 os_free(conf->bss);
2241
2242 os_free(conf);
2243 }
2244
2245
2246 /* Perform a binary search for given MAC address from a pre-sorted list.
2247 * Returns 1 if address is in the list or 0 if not. */
2248 int hostapd_maclist_found(struct mac_acl_entry *list, int num_entries,
2249 const u8 *addr, int *vlan_id)
2250 {
2251 int start, end, middle, res;
2252
2253 start = 0;
2254 end = num_entries - 1;
2255
2256 while (start <= end) {
2257 middle = (start + end) / 2;
2258 res = os_memcmp(list[middle].addr, addr, ETH_ALEN);
2259 if (res == 0) {
2260 if (vlan_id)
2261 *vlan_id = list[middle].vlan_id;
2262 return 1;
2263 }
2264 if (res < 0)
2265 start = middle + 1;
2266 else
2267 end = middle - 1;
2268 }
2269
2270 return 0;
2271 }
2272
2273
2274 int hostapd_rate_found(int *list, int rate)
2275 {
2276 int i;
2277
2278 if (list == NULL)
2279 return 0;
2280
2281 for (i = 0; list[i] >= 0; i++)
2282 if (list[i] == rate)
2283 return 1;
2284
2285 return 0;
2286 }
2287
2288
2289 const char * hostapd_get_vlan_id_ifname(struct hostapd_vlan *vlan, int vlan_id)
2290 {
2291 struct hostapd_vlan *v = vlan;
2292 while (v) {
2293 if (v->vlan_id == vlan_id || v->vlan_id == VLAN_ID_WILDCARD)
2294 return v->ifname;
2295 v = v->next;
2296 }
2297 return NULL;
2298 }
2299
2300
2301 const u8 * hostapd_get_psk(const struct hostapd_bss_config *conf,
2302 const u8 *addr, const u8 *prev_psk)
2303 {
2304 struct hostapd_wpa_psk *psk;
2305 int next_ok = prev_psk == NULL;
2306
2307 for (psk = conf->ssid.wpa_psk; psk != NULL; psk = psk->next) {
2308 if (next_ok &&
2309 (psk->group || os_memcmp(psk->addr, addr, ETH_ALEN) == 0))
2310 return psk->psk;
2311
2312 if (psk->psk == prev_psk)
2313 next_ok = 1;
2314 }
2315
2316 return NULL;
2317 }
2318
2319
2320 const struct hostapd_eap_user *
2321 hostapd_get_eap_user(const struct hostapd_bss_config *conf, const u8 *identity,
2322 size_t identity_len, int phase2)
2323 {
2324 struct hostapd_eap_user *user = conf->eap_user;
2325
2326 while (user) {
2327 if (!phase2 && user->identity == NULL) {
2328 /* Wildcard match */
2329 break;
2330 }
2331
2332 if (user->phase2 == !!phase2 && user->wildcard_prefix &&
2333 identity_len >= user->identity_len &&
2334 os_memcmp(user->identity, identity, user->identity_len) ==
2335 0) {
2336 /* Wildcard prefix match */
2337 break;
2338 }
2339
2340 if (user->phase2 == !!phase2 &&
2341 user->identity_len == identity_len &&
2342 os_memcmp(user->identity, identity, identity_len) == 0)
2343 break;
2344 user = user->next;
2345 }
2346
2347 return user;
2348 }
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