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Added support for opportunistic key caching (OKC)
[thirdparty/hostap.git] / hostapd / config.c
1 /*
2 * hostapd / Configuration file
3 * Copyright (c) 2003-2007, Jouni Malinen <j@w1.fi>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
8 *
9 * Alternatively, this software may be distributed under the terms of BSD
10 * license.
11 *
12 * See README and COPYING for more details.
13 */
14
15 #include "includes.h"
16 #ifndef CONFIG_NATIVE_WINDOWS
17 #include <grp.h>
18 #endif /* CONFIG_NATIVE_WINDOWS */
19
20 #include "hostapd.h"
21 #include "driver.h"
22 #include "sha1.h"
23 #include "eap_server/eap.h"
24 #include "radius/radius_client.h"
25 #include "wpa_common.h"
26 #include "wpa.h"
27 #include "uuid.h"
28
29
30 #define MAX_STA_COUNT 2007
31
32 extern struct wpa_driver_ops *hostapd_drivers[];
33
34
35 static int hostapd_config_read_vlan_file(struct hostapd_bss_config *bss,
36 const char *fname)
37 {
38 FILE *f;
39 char buf[128], *pos, *pos2;
40 int line = 0, vlan_id;
41 struct hostapd_vlan *vlan;
42
43 f = fopen(fname, "r");
44 if (!f) {
45 printf("VLAN file '%s' not readable.\n", fname);
46 return -1;
47 }
48
49 while (fgets(buf, sizeof(buf), f)) {
50 line++;
51
52 if (buf[0] == '#')
53 continue;
54 pos = buf;
55 while (*pos != '\0') {
56 if (*pos == '\n') {
57 *pos = '\0';
58 break;
59 }
60 pos++;
61 }
62 if (buf[0] == '\0')
63 continue;
64
65 if (buf[0] == '*') {
66 vlan_id = VLAN_ID_WILDCARD;
67 pos = buf + 1;
68 } else {
69 vlan_id = strtol(buf, &pos, 10);
70 if (buf == pos || vlan_id < 1 ||
71 vlan_id > MAX_VLAN_ID) {
72 printf("Invalid VLAN ID at line %d in '%s'\n",
73 line, fname);
74 fclose(f);
75 return -1;
76 }
77 }
78
79 while (*pos == ' ' || *pos == '\t')
80 pos++;
81 pos2 = pos;
82 while (*pos2 != ' ' && *pos2 != '\t' && *pos2 != '\0')
83 pos2++;
84 *pos2 = '\0';
85 if (*pos == '\0' || os_strlen(pos) > IFNAMSIZ) {
86 printf("Invalid VLAN ifname at line %d in '%s'\n",
87 line, fname);
88 fclose(f);
89 return -1;
90 }
91
92 vlan = os_malloc(sizeof(*vlan));
93 if (vlan == NULL) {
94 printf("Out of memory while reading VLAN interfaces "
95 "from '%s'\n", fname);
96 fclose(f);
97 return -1;
98 }
99
100 os_memset(vlan, 0, sizeof(*vlan));
101 vlan->vlan_id = vlan_id;
102 os_strlcpy(vlan->ifname, pos, sizeof(vlan->ifname));
103 if (bss->vlan_tail)
104 bss->vlan_tail->next = vlan;
105 else
106 bss->vlan = vlan;
107 bss->vlan_tail = vlan;
108 }
109
110 fclose(f);
111
112 return 0;
113 }
114
115
116 static void hostapd_config_free_vlan(struct hostapd_bss_config *bss)
117 {
118 struct hostapd_vlan *vlan, *prev;
119
120 vlan = bss->vlan;
121 prev = NULL;
122 while (vlan) {
123 prev = vlan;
124 vlan = vlan->next;
125 os_free(prev);
126 }
127
128 bss->vlan = NULL;
129 }
130
131
132 /* convert floats with one decimal place to value*10 int, i.e.,
133 * "1.5" will return 15 */
134 static int hostapd_config_read_int10(const char *value)
135 {
136 int i, d;
137 char *pos;
138
139 i = atoi(value);
140 pos = os_strchr(value, '.');
141 d = 0;
142 if (pos) {
143 pos++;
144 if (*pos >= '0' && *pos <= '9')
145 d = *pos - '0';
146 }
147
148 return i * 10 + d;
149 }
150
151
152 static void hostapd_config_defaults_bss(struct hostapd_bss_config *bss)
153 {
154 bss->logger_syslog_level = HOSTAPD_LEVEL_INFO;
155 bss->logger_stdout_level = HOSTAPD_LEVEL_INFO;
156 bss->logger_syslog = (unsigned int) -1;
157 bss->logger_stdout = (unsigned int) -1;
158
159 bss->auth_algs = WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED;
160
161 bss->wep_rekeying_period = 300;
162 /* use key0 in individual key and key1 in broadcast key */
163 bss->broadcast_key_idx_min = 1;
164 bss->broadcast_key_idx_max = 2;
165 bss->eap_reauth_period = 3600;
166
167 bss->wpa_group_rekey = 600;
168 bss->wpa_gmk_rekey = 86400;
169 bss->wpa_key_mgmt = WPA_KEY_MGMT_PSK;
170 bss->wpa_pairwise = WPA_CIPHER_TKIP;
171 bss->wpa_group = WPA_CIPHER_TKIP;
172 bss->rsn_pairwise = 0;
173
174 bss->max_num_sta = MAX_STA_COUNT;
175
176 bss->dtim_period = 2;
177
178 bss->radius_server_auth_port = 1812;
179 bss->ap_max_inactivity = AP_MAX_INACTIVITY;
180 bss->eapol_version = EAPOL_VERSION;
181
182 bss->max_listen_interval = 65535;
183 }
184
185
186 static struct hostapd_config * hostapd_config_defaults(void)
187 {
188 struct hostapd_config *conf;
189 struct hostapd_bss_config *bss;
190 int i;
191 const int aCWmin = 15, aCWmax = 1024;
192 const struct hostapd_wme_ac_params ac_bk =
193 { aCWmin, aCWmax, 7, 0, 0 }; /* background traffic */
194 const struct hostapd_wme_ac_params ac_be =
195 { aCWmin, aCWmax, 3, 0, 0 }; /* best effort traffic */
196 const struct hostapd_wme_ac_params ac_vi = /* video traffic */
197 { aCWmin >> 1, aCWmin, 2, 3000 / 32, 1 };
198 const struct hostapd_wme_ac_params ac_vo = /* voice traffic */
199 { aCWmin >> 2, aCWmin >> 1, 2, 1500 / 32, 1 };
200
201 conf = os_zalloc(sizeof(*conf));
202 bss = os_zalloc(sizeof(*bss));
203 if (conf == NULL || bss == NULL) {
204 printf("Failed to allocate memory for configuration data.\n");
205 os_free(conf);
206 os_free(bss);
207 return NULL;
208 }
209
210 /* set default driver based on configuration */
211 conf->driver = hostapd_drivers[0];
212 if (conf->driver == NULL) {
213 printf("No driver wrappers registered!\n");
214 os_free(conf);
215 os_free(bss);
216 return NULL;
217 }
218
219 bss->radius = os_zalloc(sizeof(*bss->radius));
220 if (bss->radius == NULL) {
221 os_free(conf);
222 os_free(bss);
223 return NULL;
224 }
225
226 hostapd_config_defaults_bss(bss);
227
228 conf->num_bss = 1;
229 conf->bss = bss;
230
231 conf->beacon_int = 100;
232 conf->rts_threshold = -1; /* use driver default: 2347 */
233 conf->fragm_threshold = -1; /* user driver default: 2346 */
234 conf->send_probe_response = 1;
235 conf->bridge_packets = INTERNAL_BRIDGE_DO_NOT_CONTROL;
236
237 os_memcpy(conf->country, "US ", 3);
238
239 for (i = 0; i < NUM_TX_QUEUES; i++)
240 conf->tx_queue[i].aifs = -1; /* use hw default */
241
242 conf->wme_ac_params[0] = ac_be;
243 conf->wme_ac_params[1] = ac_bk;
244 conf->wme_ac_params[2] = ac_vi;
245 conf->wme_ac_params[3] = ac_vo;
246
247 return conf;
248 }
249
250
251 int hostapd_mac_comp(const void *a, const void *b)
252 {
253 return os_memcmp(a, b, sizeof(macaddr));
254 }
255
256
257 int hostapd_mac_comp_empty(const void *a)
258 {
259 macaddr empty = { 0 };
260 return os_memcmp(a, empty, sizeof(macaddr));
261 }
262
263
264 static int hostapd_config_read_maclist(const char *fname, macaddr **acl,
265 int *num)
266 {
267 FILE *f;
268 char buf[128], *pos;
269 int line = 0;
270 u8 addr[ETH_ALEN];
271 macaddr *newacl;
272
273 if (!fname)
274 return 0;
275
276 f = fopen(fname, "r");
277 if (!f) {
278 printf("MAC list file '%s' not found.\n", fname);
279 return -1;
280 }
281
282 while (fgets(buf, sizeof(buf), f)) {
283 line++;
284
285 if (buf[0] == '#')
286 continue;
287 pos = buf;
288 while (*pos != '\0') {
289 if (*pos == '\n') {
290 *pos = '\0';
291 break;
292 }
293 pos++;
294 }
295 if (buf[0] == '\0')
296 continue;
297
298 if (hwaddr_aton(buf, addr)) {
299 printf("Invalid MAC address '%s' at line %d in '%s'\n",
300 buf, line, fname);
301 fclose(f);
302 return -1;
303 }
304
305 newacl = os_realloc(*acl, (*num + 1) * ETH_ALEN);
306 if (newacl == NULL) {
307 printf("MAC list reallocation failed\n");
308 fclose(f);
309 return -1;
310 }
311
312 *acl = newacl;
313 os_memcpy((*acl)[*num], addr, ETH_ALEN);
314 (*num)++;
315 }
316
317 fclose(f);
318
319 qsort(*acl, *num, sizeof(macaddr), hostapd_mac_comp);
320
321 return 0;
322 }
323
324
325 static int hostapd_config_read_wpa_psk(const char *fname,
326 struct hostapd_ssid *ssid)
327 {
328 FILE *f;
329 char buf[128], *pos;
330 int line = 0, ret = 0, len, ok;
331 u8 addr[ETH_ALEN];
332 struct hostapd_wpa_psk *psk;
333
334 if (!fname)
335 return 0;
336
337 f = fopen(fname, "r");
338 if (!f) {
339 printf("WPA PSK file '%s' not found.\n", fname);
340 return -1;
341 }
342
343 while (fgets(buf, sizeof(buf), f)) {
344 line++;
345
346 if (buf[0] == '#')
347 continue;
348 pos = buf;
349 while (*pos != '\0') {
350 if (*pos == '\n') {
351 *pos = '\0';
352 break;
353 }
354 pos++;
355 }
356 if (buf[0] == '\0')
357 continue;
358
359 if (hwaddr_aton(buf, addr)) {
360 printf("Invalid MAC address '%s' on line %d in '%s'\n",
361 buf, line, fname);
362 ret = -1;
363 break;
364 }
365
366 psk = os_zalloc(sizeof(*psk));
367 if (psk == NULL) {
368 printf("WPA PSK allocation failed\n");
369 ret = -1;
370 break;
371 }
372 if (is_zero_ether_addr(addr))
373 psk->group = 1;
374 else
375 os_memcpy(psk->addr, addr, ETH_ALEN);
376
377 pos = buf + 17;
378 if (pos == '\0') {
379 printf("No PSK on line %d in '%s'\n", line, fname);
380 os_free(psk);
381 ret = -1;
382 break;
383 }
384 pos++;
385
386 ok = 0;
387 len = os_strlen(pos);
388 if (len == 64 && hexstr2bin(pos, psk->psk, PMK_LEN) == 0)
389 ok = 1;
390 else if (len >= 8 && len < 64) {
391 pbkdf2_sha1(pos, ssid->ssid, ssid->ssid_len,
392 4096, psk->psk, PMK_LEN);
393 ok = 1;
394 }
395 if (!ok) {
396 printf("Invalid PSK '%s' on line %d in '%s'\n",
397 pos, line, fname);
398 os_free(psk);
399 ret = -1;
400 break;
401 }
402
403 psk->next = ssid->wpa_psk;
404 ssid->wpa_psk = psk;
405 }
406
407 fclose(f);
408
409 return ret;
410 }
411
412
413 int hostapd_setup_wpa_psk(struct hostapd_bss_config *conf)
414 {
415 struct hostapd_ssid *ssid = &conf->ssid;
416
417 if (ssid->wpa_passphrase != NULL) {
418 if (ssid->wpa_psk != NULL) {
419 printf("Warning: both WPA PSK and passphrase set. "
420 "Using passphrase.\n");
421 os_free(ssid->wpa_psk);
422 }
423 ssid->wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk));
424 if (ssid->wpa_psk == NULL) {
425 printf("Unable to alloc space for PSK\n");
426 return -1;
427 }
428 wpa_hexdump_ascii(MSG_DEBUG, "SSID",
429 (u8 *) ssid->ssid, ssid->ssid_len);
430 wpa_hexdump_ascii(MSG_DEBUG, "PSK (ASCII passphrase)",
431 (u8 *) ssid->wpa_passphrase,
432 os_strlen(ssid->wpa_passphrase));
433 pbkdf2_sha1(ssid->wpa_passphrase,
434 ssid->ssid, ssid->ssid_len,
435 4096, ssid->wpa_psk->psk, PMK_LEN);
436 wpa_hexdump(MSG_DEBUG, "PSK (from passphrase)",
437 ssid->wpa_psk->psk, PMK_LEN);
438 ssid->wpa_psk->group = 1;
439
440 os_memset(ssid->wpa_passphrase, 0,
441 os_strlen(ssid->wpa_passphrase));
442 os_free(ssid->wpa_passphrase);
443 ssid->wpa_passphrase = NULL;
444 }
445
446 if (ssid->wpa_psk_file) {
447 if (hostapd_config_read_wpa_psk(ssid->wpa_psk_file,
448 &conf->ssid))
449 return -1;
450 }
451
452 return 0;
453 }
454
455
456 #ifdef EAP_SERVER
457 static int hostapd_config_read_eap_user(const char *fname,
458 struct hostapd_bss_config *conf)
459 {
460 FILE *f;
461 char buf[512], *pos, *start, *pos2;
462 int line = 0, ret = 0, num_methods;
463 struct hostapd_eap_user *user, *tail = NULL;
464
465 if (!fname)
466 return 0;
467
468 f = fopen(fname, "r");
469 if (!f) {
470 printf("EAP user file '%s' not found.\n", fname);
471 return -1;
472 }
473
474 /* Lines: "user" METHOD,METHOD2 "password" (password optional) */
475 while (fgets(buf, sizeof(buf), f)) {
476 line++;
477
478 if (buf[0] == '#')
479 continue;
480 pos = buf;
481 while (*pos != '\0') {
482 if (*pos == '\n') {
483 *pos = '\0';
484 break;
485 }
486 pos++;
487 }
488 if (buf[0] == '\0')
489 continue;
490
491 user = NULL;
492
493 if (buf[0] != '"' && buf[0] != '*') {
494 printf("Invalid EAP identity (no \" in start) on "
495 "line %d in '%s'\n", line, fname);
496 goto failed;
497 }
498
499 user = os_zalloc(sizeof(*user));
500 if (user == NULL) {
501 printf("EAP user allocation failed\n");
502 goto failed;
503 }
504 user->force_version = -1;
505
506 if (buf[0] == '*') {
507 pos = buf;
508 } else {
509 pos = buf + 1;
510 start = pos;
511 while (*pos != '"' && *pos != '\0')
512 pos++;
513 if (*pos == '\0') {
514 printf("Invalid EAP identity (no \" in end) on"
515 " line %d in '%s'\n", line, fname);
516 goto failed;
517 }
518
519 user->identity = os_malloc(pos - start);
520 if (user->identity == NULL) {
521 printf("Failed to allocate memory for EAP "
522 "identity\n");
523 goto failed;
524 }
525 os_memcpy(user->identity, start, pos - start);
526 user->identity_len = pos - start;
527
528 if (pos[0] == '"' && pos[1] == '*') {
529 user->wildcard_prefix = 1;
530 pos++;
531 }
532 }
533 pos++;
534 while (*pos == ' ' || *pos == '\t')
535 pos++;
536
537 if (*pos == '\0') {
538 printf("No EAP method on line %d in '%s'\n",
539 line, fname);
540 goto failed;
541 }
542
543 start = pos;
544 while (*pos != ' ' && *pos != '\t' && *pos != '\0')
545 pos++;
546 if (*pos == '\0') {
547 pos = NULL;
548 } else {
549 *pos = '\0';
550 pos++;
551 }
552 num_methods = 0;
553 while (*start) {
554 char *pos3 = os_strchr(start, ',');
555 if (pos3) {
556 *pos3++ = '\0';
557 }
558 user->methods[num_methods].method =
559 eap_server_get_type(
560 start,
561 &user->methods[num_methods].vendor);
562 if (user->methods[num_methods].vendor ==
563 EAP_VENDOR_IETF &&
564 user->methods[num_methods].method == EAP_TYPE_NONE)
565 {
566 if (os_strcmp(start, "TTLS-PAP") == 0) {
567 user->ttls_auth |= EAP_TTLS_AUTH_PAP;
568 goto skip_eap;
569 }
570 if (os_strcmp(start, "TTLS-CHAP") == 0) {
571 user->ttls_auth |= EAP_TTLS_AUTH_CHAP;
572 goto skip_eap;
573 }
574 if (os_strcmp(start, "TTLS-MSCHAP") == 0) {
575 user->ttls_auth |=
576 EAP_TTLS_AUTH_MSCHAP;
577 goto skip_eap;
578 }
579 if (os_strcmp(start, "TTLS-MSCHAPV2") == 0) {
580 user->ttls_auth |=
581 EAP_TTLS_AUTH_MSCHAPV2;
582 goto skip_eap;
583 }
584 printf("Unsupported EAP type '%s' on line %d "
585 "in '%s'\n", start, line, fname);
586 goto failed;
587 }
588
589 num_methods++;
590 if (num_methods >= EAP_USER_MAX_METHODS)
591 break;
592 skip_eap:
593 if (pos3 == NULL)
594 break;
595 start = pos3;
596 }
597 if (num_methods == 0 && user->ttls_auth == 0) {
598 printf("No EAP types configured on line %d in '%s'\n",
599 line, fname);
600 goto failed;
601 }
602
603 if (pos == NULL)
604 goto done;
605
606 while (*pos == ' ' || *pos == '\t')
607 pos++;
608 if (*pos == '\0')
609 goto done;
610
611 if (os_strncmp(pos, "[ver=0]", 7) == 0) {
612 user->force_version = 0;
613 goto done;
614 }
615
616 if (os_strncmp(pos, "[ver=1]", 7) == 0) {
617 user->force_version = 1;
618 goto done;
619 }
620
621 if (os_strncmp(pos, "[2]", 3) == 0) {
622 user->phase2 = 1;
623 goto done;
624 }
625
626 if (*pos == '"') {
627 pos++;
628 start = pos;
629 while (*pos != '"' && *pos != '\0')
630 pos++;
631 if (*pos == '\0') {
632 printf("Invalid EAP password (no \" in end) "
633 "on line %d in '%s'\n", line, fname);
634 goto failed;
635 }
636
637 user->password = os_malloc(pos - start);
638 if (user->password == NULL) {
639 printf("Failed to allocate memory for EAP "
640 "password\n");
641 goto failed;
642 }
643 os_memcpy(user->password, start, pos - start);
644 user->password_len = pos - start;
645
646 pos++;
647 } else if (os_strncmp(pos, "hash:", 5) == 0) {
648 pos += 5;
649 pos2 = pos;
650 while (*pos2 != '\0' && *pos2 != ' ' &&
651 *pos2 != '\t' && *pos2 != '#')
652 pos2++;
653 if (pos2 - pos != 32) {
654 printf("Invalid password hash on line %d in "
655 "'%s'\n", line, fname);
656 goto failed;
657 }
658 user->password = os_malloc(16);
659 if (user->password == NULL) {
660 printf("Failed to allocate memory for EAP "
661 "password hash\n");
662 goto failed;
663 }
664 if (hexstr2bin(pos, user->password, 16) < 0) {
665 printf("Invalid hash password on line %d in "
666 "'%s'\n", line, fname);
667 goto failed;
668 }
669 user->password_len = 16;
670 user->password_hash = 1;
671 pos = pos2;
672 } else {
673 pos2 = pos;
674 while (*pos2 != '\0' && *pos2 != ' ' &&
675 *pos2 != '\t' && *pos2 != '#')
676 pos2++;
677 if ((pos2 - pos) & 1) {
678 printf("Invalid hex password on line %d in "
679 "'%s'\n", line, fname);
680 goto failed;
681 }
682 user->password = os_malloc((pos2 - pos) / 2);
683 if (user->password == NULL) {
684 printf("Failed to allocate memory for EAP "
685 "password\n");
686 goto failed;
687 }
688 if (hexstr2bin(pos, user->password,
689 (pos2 - pos) / 2) < 0) {
690 printf("Invalid hex password on line %d in "
691 "'%s'\n", line, fname);
692 goto failed;
693 }
694 user->password_len = (pos2 - pos) / 2;
695 pos = pos2;
696 }
697
698 while (*pos == ' ' || *pos == '\t')
699 pos++;
700 if (os_strncmp(pos, "[2]", 3) == 0) {
701 user->phase2 = 1;
702 }
703
704 done:
705 if (tail == NULL) {
706 tail = conf->eap_user = user;
707 } else {
708 tail->next = user;
709 tail = user;
710 }
711 continue;
712
713 failed:
714 if (user) {
715 os_free(user->password);
716 os_free(user->identity);
717 os_free(user);
718 }
719 ret = -1;
720 break;
721 }
722
723 fclose(f);
724
725 return ret;
726 }
727 #endif /* EAP_SERVER */
728
729
730 static int
731 hostapd_config_read_radius_addr(struct hostapd_radius_server **server,
732 int *num_server, const char *val, int def_port,
733 struct hostapd_radius_server **curr_serv)
734 {
735 struct hostapd_radius_server *nserv;
736 int ret;
737 static int server_index = 1;
738
739 nserv = os_realloc(*server, (*num_server + 1) * sizeof(*nserv));
740 if (nserv == NULL)
741 return -1;
742
743 *server = nserv;
744 nserv = &nserv[*num_server];
745 (*num_server)++;
746 (*curr_serv) = nserv;
747
748 os_memset(nserv, 0, sizeof(*nserv));
749 nserv->port = def_port;
750 ret = hostapd_parse_ip_addr(val, &nserv->addr);
751 nserv->index = server_index++;
752
753 return ret;
754 }
755
756
757 static int hostapd_config_parse_key_mgmt(int line, const char *value)
758 {
759 int val = 0, last;
760 char *start, *end, *buf;
761
762 buf = os_strdup(value);
763 if (buf == NULL)
764 return -1;
765 start = buf;
766
767 while (start != '\0') {
768 while (*start == ' ' || *start == '\t')
769 start++;
770 if (*start == '\0')
771 break;
772 end = start;
773 while (*end != ' ' && *end != '\t' && *end != '\0')
774 end++;
775 last = *end == '\0';
776 *end = '\0';
777 if (os_strcmp(start, "WPA-PSK") == 0)
778 val |= WPA_KEY_MGMT_PSK;
779 else if (os_strcmp(start, "WPA-EAP") == 0)
780 val |= WPA_KEY_MGMT_IEEE8021X;
781 #ifdef CONFIG_IEEE80211R
782 else if (os_strcmp(start, "FT-PSK") == 0)
783 val |= WPA_KEY_MGMT_FT_PSK;
784 else if (os_strcmp(start, "FT-EAP") == 0)
785 val |= WPA_KEY_MGMT_FT_IEEE8021X;
786 #endif /* CONFIG_IEEE80211R */
787 else {
788 printf("Line %d: invalid key_mgmt '%s'\n",
789 line, start);
790 os_free(buf);
791 return -1;
792 }
793
794 if (last)
795 break;
796 start = end + 1;
797 }
798
799 os_free(buf);
800 if (val == 0) {
801 printf("Line %d: no key_mgmt values configured.\n", line);
802 return -1;
803 }
804
805 return val;
806 }
807
808
809 static int hostapd_config_parse_cipher(int line, const char *value)
810 {
811 int val = 0, last;
812 char *start, *end, *buf;
813
814 buf = os_strdup(value);
815 if (buf == NULL)
816 return -1;
817 start = buf;
818
819 while (start != '\0') {
820 while (*start == ' ' || *start == '\t')
821 start++;
822 if (*start == '\0')
823 break;
824 end = start;
825 while (*end != ' ' && *end != '\t' && *end != '\0')
826 end++;
827 last = *end == '\0';
828 *end = '\0';
829 if (os_strcmp(start, "CCMP") == 0)
830 val |= WPA_CIPHER_CCMP;
831 else if (os_strcmp(start, "TKIP") == 0)
832 val |= WPA_CIPHER_TKIP;
833 else if (os_strcmp(start, "WEP104") == 0)
834 val |= WPA_CIPHER_WEP104;
835 else if (os_strcmp(start, "WEP40") == 0)
836 val |= WPA_CIPHER_WEP40;
837 else if (os_strcmp(start, "NONE") == 0)
838 val |= WPA_CIPHER_NONE;
839 else {
840 printf("Line %d: invalid cipher '%s'.", line, start);
841 os_free(buf);
842 return -1;
843 }
844
845 if (last)
846 break;
847 start = end + 1;
848 }
849 os_free(buf);
850
851 if (val == 0) {
852 printf("Line %d: no cipher values configured.", line);
853 return -1;
854 }
855 return val;
856 }
857
858
859 static int hostapd_config_check_bss(struct hostapd_bss_config *bss,
860 struct hostapd_config *conf)
861 {
862 if (bss->ieee802_1x && !bss->eap_server &&
863 !bss->radius->auth_servers) {
864 printf("Invalid IEEE 802.1X configuration (no EAP "
865 "authenticator configured).\n");
866 return -1;
867 }
868
869 if (bss->wpa && (bss->wpa_key_mgmt & WPA_KEY_MGMT_PSK) &&
870 bss->ssid.wpa_psk == NULL && bss->ssid.wpa_passphrase == NULL &&
871 bss->ssid.wpa_psk_file == NULL) {
872 printf("WPA-PSK enabled, but PSK or passphrase is not "
873 "configured.\n");
874 return -1;
875 }
876
877 if (hostapd_mac_comp_empty(bss->bssid) != 0) {
878 size_t i;
879
880 for (i = 0; i < conf->num_bss; i++) {
881 if ((&conf->bss[i] != bss) &&
882 (hostapd_mac_comp(conf->bss[i].bssid,
883 bss->bssid) == 0)) {
884 printf("Duplicate BSSID " MACSTR
885 " on interface '%s' and '%s'.\n",
886 MAC2STR(bss->bssid),
887 conf->bss[i].iface, bss->iface);
888 return -1;
889 }
890 }
891 }
892
893 #ifdef CONFIG_IEEE80211R
894 if ((bss->wpa_key_mgmt &
895 (WPA_KEY_MGMT_FT_PSK | WPA_KEY_MGMT_FT_IEEE8021X)) &&
896 (bss->nas_identifier == NULL ||
897 os_strlen(bss->nas_identifier) < 1 ||
898 os_strlen(bss->nas_identifier) > FT_R0KH_ID_MAX_LEN)) {
899 printf("FT (IEEE 802.11r) requires nas_identifier to be "
900 "configured as a 1..48 octet string\n");
901 return -1;
902 }
903 #endif /* CONFIG_IEEE80211R */
904
905 return 0;
906 }
907
908
909 static int hostapd_config_check(struct hostapd_config *conf)
910 {
911 size_t i;
912
913 for (i = 0; i < conf->num_bss; i++) {
914 if (hostapd_config_check_bss(&conf->bss[i], conf))
915 return -1;
916 }
917
918 return 0;
919 }
920
921
922 static int hostapd_config_read_wep(struct hostapd_wep_keys *wep, int keyidx,
923 char *val)
924 {
925 size_t len = os_strlen(val);
926
927 if (keyidx < 0 || keyidx > 3 || wep->key[keyidx] != NULL)
928 return -1;
929
930 if (val[0] == '"') {
931 if (len < 2 || val[len - 1] != '"')
932 return -1;
933 len -= 2;
934 wep->key[keyidx] = os_malloc(len);
935 if (wep->key[keyidx] == NULL)
936 return -1;
937 os_memcpy(wep->key[keyidx], val + 1, len);
938 wep->len[keyidx] = len;
939 } else {
940 if (len & 1)
941 return -1;
942 len /= 2;
943 wep->key[keyidx] = os_malloc(len);
944 if (wep->key[keyidx] == NULL)
945 return -1;
946 wep->len[keyidx] = len;
947 if (hexstr2bin(val, wep->key[keyidx], len) < 0)
948 return -1;
949 }
950
951 wep->keys_set++;
952
953 return 0;
954 }
955
956
957 static int hostapd_parse_rates(int **rate_list, char *val)
958 {
959 int *list;
960 int count;
961 char *pos, *end;
962
963 os_free(*rate_list);
964 *rate_list = NULL;
965
966 pos = val;
967 count = 0;
968 while (*pos != '\0') {
969 if (*pos == ' ')
970 count++;
971 pos++;
972 }
973
974 list = os_malloc(sizeof(int) * (count + 2));
975 if (list == NULL)
976 return -1;
977 pos = val;
978 count = 0;
979 while (*pos != '\0') {
980 end = os_strchr(pos, ' ');
981 if (end)
982 *end = '\0';
983
984 list[count++] = atoi(pos);
985 if (!end)
986 break;
987 pos = end + 1;
988 }
989 list[count] = -1;
990
991 *rate_list = list;
992 return 0;
993 }
994
995
996 static int hostapd_config_bss(struct hostapd_config *conf, const char *ifname)
997 {
998 struct hostapd_bss_config *bss;
999
1000 if (*ifname == '\0')
1001 return -1;
1002
1003 bss = os_realloc(conf->bss, (conf->num_bss + 1) *
1004 sizeof(struct hostapd_bss_config));
1005 if (bss == NULL) {
1006 printf("Failed to allocate memory for multi-BSS entry\n");
1007 return -1;
1008 }
1009 conf->bss = bss;
1010
1011 bss = &(conf->bss[conf->num_bss]);
1012 os_memset(bss, 0, sizeof(*bss));
1013 bss->radius = os_zalloc(sizeof(*bss->radius));
1014 if (bss->radius == NULL) {
1015 printf("Failed to allocate memory for multi-BSS RADIUS "
1016 "data\n");
1017 return -1;
1018 }
1019
1020 conf->num_bss++;
1021 conf->last_bss = bss;
1022
1023 hostapd_config_defaults_bss(bss);
1024 os_strlcpy(bss->iface, ifname, sizeof(bss->iface));
1025 os_memcpy(bss->ssid.vlan, bss->iface, IFNAMSIZ + 1);
1026
1027 return 0;
1028 }
1029
1030
1031 static int valid_cw(int cw)
1032 {
1033 return (cw == 1 || cw == 3 || cw == 7 || cw == 15 || cw == 31 ||
1034 cw == 63 || cw == 127 || cw == 255 || cw == 511 || cw == 1023);
1035 }
1036
1037
1038 enum {
1039 IEEE80211_TX_QUEUE_DATA0 = 0, /* used for EDCA AC_VO data */
1040 IEEE80211_TX_QUEUE_DATA1 = 1, /* used for EDCA AC_VI data */
1041 IEEE80211_TX_QUEUE_DATA2 = 2, /* used for EDCA AC_BE data */
1042 IEEE80211_TX_QUEUE_DATA3 = 3, /* used for EDCA AC_BK data */
1043 IEEE80211_TX_QUEUE_DATA4 = 4,
1044 IEEE80211_TX_QUEUE_AFTER_BEACON = 6,
1045 IEEE80211_TX_QUEUE_BEACON = 7
1046 };
1047
1048 static int hostapd_config_tx_queue(struct hostapd_config *conf, char *name,
1049 char *val)
1050 {
1051 int num;
1052 char *pos;
1053 struct hostapd_tx_queue_params *queue;
1054
1055 /* skip 'tx_queue_' prefix */
1056 pos = name + 9;
1057 if (os_strncmp(pos, "data", 4) == 0 &&
1058 pos[4] >= '0' && pos[4] <= '9' && pos[5] == '_') {
1059 num = pos[4] - '0';
1060 pos += 6;
1061 } else if (os_strncmp(pos, "after_beacon_", 13) == 0) {
1062 num = IEEE80211_TX_QUEUE_AFTER_BEACON;
1063 pos += 13;
1064 } else if (os_strncmp(pos, "beacon_", 7) == 0) {
1065 num = IEEE80211_TX_QUEUE_BEACON;
1066 pos += 7;
1067 } else {
1068 printf("Unknown tx_queue name '%s'\n", pos);
1069 return -1;
1070 }
1071
1072 queue = &conf->tx_queue[num];
1073
1074 if (os_strcmp(pos, "aifs") == 0) {
1075 queue->aifs = atoi(val);
1076 if (queue->aifs < 0 || queue->aifs > 255) {
1077 printf("Invalid AIFS value %d\n", queue->aifs);
1078 return -1;
1079 }
1080 } else if (os_strcmp(pos, "cwmin") == 0) {
1081 queue->cwmin = atoi(val);
1082 if (!valid_cw(queue->cwmin)) {
1083 printf("Invalid cwMin value %d\n", queue->cwmin);
1084 return -1;
1085 }
1086 } else if (os_strcmp(pos, "cwmax") == 0) {
1087 queue->cwmax = atoi(val);
1088 if (!valid_cw(queue->cwmax)) {
1089 printf("Invalid cwMax value %d\n", queue->cwmax);
1090 return -1;
1091 }
1092 } else if (os_strcmp(pos, "burst") == 0) {
1093 queue->burst = hostapd_config_read_int10(val);
1094 } else {
1095 printf("Unknown tx_queue field '%s'\n", pos);
1096 return -1;
1097 }
1098
1099 queue->configured = 1;
1100
1101 return 0;
1102 }
1103
1104
1105 static int hostapd_config_wme_ac(struct hostapd_config *conf, char *name,
1106 char *val)
1107 {
1108 int num, v;
1109 char *pos;
1110 struct hostapd_wme_ac_params *ac;
1111
1112 /* skip 'wme_ac_' prefix */
1113 pos = name + 7;
1114 if (os_strncmp(pos, "be_", 3) == 0) {
1115 num = 0;
1116 pos += 3;
1117 } else if (os_strncmp(pos, "bk_", 3) == 0) {
1118 num = 1;
1119 pos += 3;
1120 } else if (os_strncmp(pos, "vi_", 3) == 0) {
1121 num = 2;
1122 pos += 3;
1123 } else if (os_strncmp(pos, "vo_", 3) == 0) {
1124 num = 3;
1125 pos += 3;
1126 } else {
1127 printf("Unknown wme name '%s'\n", pos);
1128 return -1;
1129 }
1130
1131 ac = &conf->wme_ac_params[num];
1132
1133 if (os_strcmp(pos, "aifs") == 0) {
1134 v = atoi(val);
1135 if (v < 1 || v > 255) {
1136 printf("Invalid AIFS value %d\n", v);
1137 return -1;
1138 }
1139 ac->aifs = v;
1140 } else if (os_strcmp(pos, "cwmin") == 0) {
1141 v = atoi(val);
1142 if (v < 0 || v > 12) {
1143 printf("Invalid cwMin value %d\n", v);
1144 return -1;
1145 }
1146 ac->cwmin = v;
1147 } else if (os_strcmp(pos, "cwmax") == 0) {
1148 v = atoi(val);
1149 if (v < 0 || v > 12) {
1150 printf("Invalid cwMax value %d\n", v);
1151 return -1;
1152 }
1153 ac->cwmax = v;
1154 } else if (os_strcmp(pos, "txop_limit") == 0) {
1155 v = atoi(val);
1156 if (v < 0 || v > 0xffff) {
1157 printf("Invalid txop value %d\n", v);
1158 return -1;
1159 }
1160 ac->txopLimit = v;
1161 } else if (os_strcmp(pos, "acm") == 0) {
1162 v = atoi(val);
1163 if (v < 0 || v > 1) {
1164 printf("Invalid acm value %d\n", v);
1165 return -1;
1166 }
1167 ac->admission_control_mandatory = v;
1168 } else {
1169 printf("Unknown wme_ac_ field '%s'\n", pos);
1170 return -1;
1171 }
1172
1173 return 0;
1174 }
1175
1176
1177 #ifdef CONFIG_IEEE80211R
1178 static int add_r0kh(struct hostapd_bss_config *bss, char *value)
1179 {
1180 struct ft_remote_r0kh *r0kh;
1181 char *pos, *next;
1182
1183 r0kh = os_zalloc(sizeof(*r0kh));
1184 if (r0kh == NULL)
1185 return -1;
1186
1187 /* 02:01:02:03:04:05 a.example.com 000102030405060708090a0b0c0d0e0f */
1188 pos = value;
1189 next = os_strchr(pos, ' ');
1190 if (next)
1191 *next++ = '\0';
1192 if (next == NULL || hwaddr_aton(pos, r0kh->addr)) {
1193 printf("Invalid R0KH MAC address: '%s'\n", pos);
1194 os_free(r0kh);
1195 return -1;
1196 }
1197
1198 pos = next;
1199 next = os_strchr(pos, ' ');
1200 if (next)
1201 *next++ = '\0';
1202 if (next == NULL || next - pos > FT_R0KH_ID_MAX_LEN) {
1203 printf("Invalid R0KH-ID: '%s'\n", pos);
1204 os_free(r0kh);
1205 return -1;
1206 }
1207 r0kh->id_len = next - pos - 1;
1208 os_memcpy(r0kh->id, pos, r0kh->id_len);
1209
1210 pos = next;
1211 if (hexstr2bin(pos, r0kh->key, sizeof(r0kh->key))) {
1212 printf("Invalid R0KH key: '%s'\n", pos);
1213 os_free(r0kh);
1214 return -1;
1215 }
1216
1217 r0kh->next = bss->r0kh_list;
1218 bss->r0kh_list = r0kh;
1219
1220 return 0;
1221 }
1222
1223
1224 static int add_r1kh(struct hostapd_bss_config *bss, char *value)
1225 {
1226 struct ft_remote_r1kh *r1kh;
1227 char *pos, *next;
1228
1229 r1kh = os_zalloc(sizeof(*r1kh));
1230 if (r1kh == NULL)
1231 return -1;
1232
1233 /* 02:01:02:03:04:05 02:01:02:03:04:05
1234 * 000102030405060708090a0b0c0d0e0f */
1235 pos = value;
1236 next = os_strchr(pos, ' ');
1237 if (next)
1238 *next++ = '\0';
1239 if (next == NULL || hwaddr_aton(pos, r1kh->addr)) {
1240 printf("Invalid R1KH MAC address: '%s'\n", pos);
1241 os_free(r1kh);
1242 return -1;
1243 }
1244
1245 pos = next;
1246 next = os_strchr(pos, ' ');
1247 if (next)
1248 *next++ = '\0';
1249 if (next == NULL || hwaddr_aton(pos, r1kh->id)) {
1250 printf("Invalid R1KH-ID: '%s'\n", pos);
1251 os_free(r1kh);
1252 return -1;
1253 }
1254
1255 pos = next;
1256 if (hexstr2bin(pos, r1kh->key, sizeof(r1kh->key))) {
1257 printf("Invalid R1KH key: '%s'\n", pos);
1258 os_free(r1kh);
1259 return -1;
1260 }
1261
1262 r1kh->next = bss->r1kh_list;
1263 bss->r1kh_list = r1kh;
1264
1265 return 0;
1266 }
1267 #endif /* CONFIG_IEEE80211R */
1268
1269
1270 struct hostapd_config * hostapd_config_read(const char *fname)
1271 {
1272 struct hostapd_config *conf;
1273 struct hostapd_bss_config *bss;
1274 FILE *f;
1275 char buf[256], *pos;
1276 int line = 0;
1277 int errors = 0;
1278 int pairwise;
1279 size_t i;
1280
1281 f = fopen(fname, "r");
1282 if (f == NULL) {
1283 printf("Could not open configuration file '%s' for reading.\n",
1284 fname);
1285 return NULL;
1286 }
1287
1288 conf = hostapd_config_defaults();
1289 if (conf == NULL) {
1290 fclose(f);
1291 return NULL;
1292 }
1293 bss = conf->last_bss = conf->bss;
1294
1295 while (fgets(buf, sizeof(buf), f)) {
1296 bss = conf->last_bss;
1297 line++;
1298
1299 if (buf[0] == '#')
1300 continue;
1301 pos = buf;
1302 while (*pos != '\0') {
1303 if (*pos == '\n') {
1304 *pos = '\0';
1305 break;
1306 }
1307 pos++;
1308 }
1309 if (buf[0] == '\0')
1310 continue;
1311
1312 pos = os_strchr(buf, '=');
1313 if (pos == NULL) {
1314 printf("Line %d: invalid line '%s'\n", line, buf);
1315 errors++;
1316 continue;
1317 }
1318 *pos = '\0';
1319 pos++;
1320
1321 if (os_strcmp(buf, "interface") == 0) {
1322 os_strlcpy(conf->bss[0].iface, pos,
1323 sizeof(conf->bss[0].iface));
1324 } else if (os_strcmp(buf, "bridge") == 0) {
1325 os_strlcpy(bss->bridge, pos, sizeof(bss->bridge));
1326 } else if (os_strcmp(buf, "driver") == 0) {
1327 int i;
1328 /* clear to get error below if setting is invalid */
1329 conf->driver = NULL;
1330 for (i = 0; hostapd_drivers[i]; i++) {
1331 if (os_strcmp(pos, hostapd_drivers[i]->name) ==
1332 0) {
1333 conf->driver = hostapd_drivers[i];
1334 break;
1335 }
1336 }
1337 if (conf->driver == NULL) {
1338 printf("Line %d: invalid/unknown driver "
1339 "'%s'\n", line, pos);
1340 errors++;
1341 }
1342 } else if (os_strcmp(buf, "debug") == 0) {
1343 wpa_printf(MSG_DEBUG, "Line %d: DEPRECATED: 'debug' "
1344 "configuration variable is not used "
1345 "anymore", line);
1346 } else if (os_strcmp(buf, "logger_syslog_level") == 0) {
1347 bss->logger_syslog_level = atoi(pos);
1348 } else if (os_strcmp(buf, "logger_stdout_level") == 0) {
1349 bss->logger_stdout_level = atoi(pos);
1350 } else if (os_strcmp(buf, "logger_syslog") == 0) {
1351 bss->logger_syslog = atoi(pos);
1352 } else if (os_strcmp(buf, "logger_stdout") == 0) {
1353 bss->logger_stdout = atoi(pos);
1354 } else if (os_strcmp(buf, "dump_file") == 0) {
1355 bss->dump_log_name = os_strdup(pos);
1356 } else if (os_strcmp(buf, "ssid") == 0) {
1357 bss->ssid.ssid_len = os_strlen(pos);
1358 if (bss->ssid.ssid_len > HOSTAPD_MAX_SSID_LEN ||
1359 bss->ssid.ssid_len < 1) {
1360 printf("Line %d: invalid SSID '%s'\n", line,
1361 pos);
1362 errors++;
1363 } else {
1364 os_memcpy(bss->ssid.ssid, pos,
1365 bss->ssid.ssid_len);
1366 bss->ssid.ssid[bss->ssid.ssid_len] = '\0';
1367 bss->ssid.ssid_set = 1;
1368 }
1369 } else if (os_strcmp(buf, "macaddr_acl") == 0) {
1370 bss->macaddr_acl = atoi(pos);
1371 if (bss->macaddr_acl != ACCEPT_UNLESS_DENIED &&
1372 bss->macaddr_acl != DENY_UNLESS_ACCEPTED &&
1373 bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH) {
1374 printf("Line %d: unknown macaddr_acl %d\n",
1375 line, bss->macaddr_acl);
1376 }
1377 } else if (os_strcmp(buf, "accept_mac_file") == 0) {
1378 if (hostapd_config_read_maclist(pos, &bss->accept_mac,
1379 &bss->num_accept_mac))
1380 {
1381 printf("Line %d: Failed to read "
1382 "accept_mac_file '%s'\n",
1383 line, pos);
1384 errors++;
1385 }
1386 } else if (os_strcmp(buf, "deny_mac_file") == 0) {
1387 if (hostapd_config_read_maclist(pos, &bss->deny_mac,
1388 &bss->num_deny_mac))
1389 {
1390 printf("Line %d: Failed to read "
1391 "deny_mac_file '%s'\n",
1392 line, pos);
1393 errors++;
1394 }
1395 } else if (os_strcmp(buf, "ap_max_inactivity") == 0) {
1396 bss->ap_max_inactivity = atoi(pos);
1397 } else if (os_strcmp(buf, "country_code") == 0) {
1398 os_memcpy(conf->country, pos, 2);
1399 /* FIX: make this configurable */
1400 conf->country[2] = ' ';
1401 } else if (os_strcmp(buf, "ieee80211d") == 0) {
1402 conf->ieee80211d = atoi(pos);
1403 } else if (os_strcmp(buf, "ieee80211h") == 0) {
1404 conf->ieee80211h = atoi(pos);
1405 } else if (os_strcmp(buf, "assoc_ap_addr") == 0) {
1406 if (hwaddr_aton(pos, bss->assoc_ap_addr)) {
1407 printf("Line %d: invalid MAC address '%s'\n",
1408 line, pos);
1409 errors++;
1410 }
1411 bss->assoc_ap = 1;
1412 } else if (os_strcmp(buf, "ieee8021x") == 0) {
1413 bss->ieee802_1x = atoi(pos);
1414 } else if (os_strcmp(buf, "eapol_version") == 0) {
1415 bss->eapol_version = atoi(pos);
1416 if (bss->eapol_version < 1 ||
1417 bss->eapol_version > 2) {
1418 printf("Line %d: invalid EAPOL "
1419 "version (%d): '%s'.\n",
1420 line, bss->eapol_version, pos);
1421 errors++;
1422 } else
1423 wpa_printf(MSG_DEBUG, "eapol_version=%d",
1424 bss->eapol_version);
1425 #ifdef EAP_SERVER
1426 } else if (os_strcmp(buf, "eap_authenticator") == 0) {
1427 bss->eap_server = atoi(pos);
1428 printf("Line %d: obsolete eap_authenticator used; "
1429 "this has been renamed to eap_server\n", line);
1430 } else if (os_strcmp(buf, "eap_server") == 0) {
1431 bss->eap_server = atoi(pos);
1432 } else if (os_strcmp(buf, "eap_user_file") == 0) {
1433 if (hostapd_config_read_eap_user(pos, bss))
1434 errors++;
1435 } else if (os_strcmp(buf, "ca_cert") == 0) {
1436 os_free(bss->ca_cert);
1437 bss->ca_cert = os_strdup(pos);
1438 } else if (os_strcmp(buf, "server_cert") == 0) {
1439 os_free(bss->server_cert);
1440 bss->server_cert = os_strdup(pos);
1441 } else if (os_strcmp(buf, "private_key") == 0) {
1442 os_free(bss->private_key);
1443 bss->private_key = os_strdup(pos);
1444 } else if (os_strcmp(buf, "private_key_passwd") == 0) {
1445 os_free(bss->private_key_passwd);
1446 bss->private_key_passwd = os_strdup(pos);
1447 } else if (os_strcmp(buf, "check_crl") == 0) {
1448 bss->check_crl = atoi(pos);
1449 } else if (os_strcmp(buf, "dh_file") == 0) {
1450 os_free(bss->dh_file);
1451 bss->dh_file = os_strdup(pos);
1452 #ifdef EAP_FAST
1453 } else if (os_strcmp(buf, "pac_opaque_encr_key") == 0) {
1454 os_free(bss->pac_opaque_encr_key);
1455 bss->pac_opaque_encr_key = os_malloc(16);
1456 if (bss->pac_opaque_encr_key == NULL) {
1457 printf("Line %d: No memory for "
1458 "pac_opque_encr_key\n", line);
1459 errors++;
1460 } else if (hexstr2bin(pos, bss->pac_opaque_encr_key,
1461 16)) {
1462 printf("Line %d: Invalid pac_opque_encr_key\n",
1463 line);
1464 errors++;
1465 }
1466 } else if (os_strcmp(buf, "eap_fast_a_id") == 0) {
1467 os_free(bss->eap_fast_a_id);
1468 bss->eap_fast_a_id = os_strdup(pos);
1469 #endif /* EAP_FAST */
1470 #ifdef EAP_SIM
1471 } else if (os_strcmp(buf, "eap_sim_db") == 0) {
1472 os_free(bss->eap_sim_db);
1473 bss->eap_sim_db = os_strdup(pos);
1474 } else if (os_strcmp(buf, "eap_sim_aka_result_ind") == 0) {
1475 bss->eap_sim_aka_result_ind = atoi(pos);
1476 #endif /* EAP_SIM */
1477 #ifdef EAP_TNC
1478 } else if (os_strcmp(buf, "tnc") == 0) {
1479 bss->tnc = atoi(pos);
1480 #endif /* EAP_TNC */
1481 #endif /* EAP_SERVER */
1482 } else if (os_strcmp(buf, "eap_message") == 0) {
1483 char *term;
1484 bss->eap_req_id_text = os_strdup(pos);
1485 if (bss->eap_req_id_text == NULL) {
1486 printf("Line %d: Failed to allocate memory "
1487 "for eap_req_id_text\n", line);
1488 errors++;
1489 continue;
1490 }
1491 bss->eap_req_id_text_len =
1492 os_strlen(bss->eap_req_id_text);
1493 term = os_strstr(bss->eap_req_id_text, "\\0");
1494 if (term) {
1495 *term++ = '\0';
1496 os_memmove(term, term + 1,
1497 bss->eap_req_id_text_len -
1498 (term - bss->eap_req_id_text) - 1);
1499 bss->eap_req_id_text_len--;
1500 }
1501 } else if (os_strcmp(buf, "wep_key_len_broadcast") == 0) {
1502 bss->default_wep_key_len = atoi(pos);
1503 if (bss->default_wep_key_len > 13) {
1504 printf("Line %d: invalid WEP key len %lu "
1505 "(= %lu bits)\n", line,
1506 (unsigned long)
1507 bss->default_wep_key_len,
1508 (unsigned long)
1509 bss->default_wep_key_len * 8);
1510 errors++;
1511 }
1512 } else if (os_strcmp(buf, "wep_key_len_unicast") == 0) {
1513 bss->individual_wep_key_len = atoi(pos);
1514 if (bss->individual_wep_key_len < 0 ||
1515 bss->individual_wep_key_len > 13) {
1516 printf("Line %d: invalid WEP key len %d "
1517 "(= %d bits)\n", line,
1518 bss->individual_wep_key_len,
1519 bss->individual_wep_key_len * 8);
1520 errors++;
1521 }
1522 } else if (os_strcmp(buf, "wep_rekey_period") == 0) {
1523 bss->wep_rekeying_period = atoi(pos);
1524 if (bss->wep_rekeying_period < 0) {
1525 printf("Line %d: invalid period %d\n",
1526 line, bss->wep_rekeying_period);
1527 errors++;
1528 }
1529 } else if (os_strcmp(buf, "eap_reauth_period") == 0) {
1530 bss->eap_reauth_period = atoi(pos);
1531 if (bss->eap_reauth_period < 0) {
1532 printf("Line %d: invalid period %d\n",
1533 line, bss->eap_reauth_period);
1534 errors++;
1535 }
1536 } else if (os_strcmp(buf, "eapol_key_index_workaround") == 0) {
1537 bss->eapol_key_index_workaround = atoi(pos);
1538 #ifdef CONFIG_IAPP
1539 } else if (os_strcmp(buf, "iapp_interface") == 0) {
1540 bss->ieee802_11f = 1;
1541 os_strlcpy(bss->iapp_iface, pos,
1542 sizeof(bss->iapp_iface));
1543 #endif /* CONFIG_IAPP */
1544 } else if (os_strcmp(buf, "own_ip_addr") == 0) {
1545 if (hostapd_parse_ip_addr(pos, &bss->own_ip_addr)) {
1546 printf("Line %d: invalid IP address '%s'\n",
1547 line, pos);
1548 errors++;
1549 }
1550 } else if (os_strcmp(buf, "nas_identifier") == 0) {
1551 bss->nas_identifier = os_strdup(pos);
1552 } else if (os_strcmp(buf, "auth_server_addr") == 0) {
1553 if (hostapd_config_read_radius_addr(
1554 &bss->radius->auth_servers,
1555 &bss->radius->num_auth_servers, pos, 1812,
1556 &bss->radius->auth_server)) {
1557 printf("Line %d: invalid IP address '%s'\n",
1558 line, pos);
1559 errors++;
1560 }
1561 } else if (bss->radius->auth_server &&
1562 os_strcmp(buf, "auth_server_port") == 0) {
1563 bss->radius->auth_server->port = atoi(pos);
1564 } else if (bss->radius->auth_server &&
1565 os_strcmp(buf, "auth_server_shared_secret") == 0) {
1566 int len = os_strlen(pos);
1567 if (len == 0) {
1568 /* RFC 2865, Ch. 3 */
1569 printf("Line %d: empty shared secret is not "
1570 "allowed.\n", line);
1571 errors++;
1572 }
1573 bss->radius->auth_server->shared_secret =
1574 (u8 *) os_strdup(pos);
1575 bss->radius->auth_server->shared_secret_len = len;
1576 } else if (os_strcmp(buf, "acct_server_addr") == 0) {
1577 if (hostapd_config_read_radius_addr(
1578 &bss->radius->acct_servers,
1579 &bss->radius->num_acct_servers, pos, 1813,
1580 &bss->radius->acct_server)) {
1581 printf("Line %d: invalid IP address '%s'\n",
1582 line, pos);
1583 errors++;
1584 }
1585 } else if (bss->radius->acct_server &&
1586 os_strcmp(buf, "acct_server_port") == 0) {
1587 bss->radius->acct_server->port = atoi(pos);
1588 } else if (bss->radius->acct_server &&
1589 os_strcmp(buf, "acct_server_shared_secret") == 0) {
1590 int len = os_strlen(pos);
1591 if (len == 0) {
1592 /* RFC 2865, Ch. 3 */
1593 printf("Line %d: empty shared secret is not "
1594 "allowed.\n", line);
1595 errors++;
1596 }
1597 bss->radius->acct_server->shared_secret =
1598 (u8 *) os_strdup(pos);
1599 bss->radius->acct_server->shared_secret_len = len;
1600 } else if (os_strcmp(buf, "radius_retry_primary_interval") ==
1601 0) {
1602 bss->radius->retry_primary_interval = atoi(pos);
1603 } else if (os_strcmp(buf, "radius_acct_interim_interval") == 0)
1604 {
1605 bss->radius->acct_interim_interval = atoi(pos);
1606 } else if (os_strcmp(buf, "auth_algs") == 0) {
1607 bss->auth_algs = atoi(pos);
1608 if (bss->auth_algs == 0) {
1609 printf("Line %d: no authentication algorithms "
1610 "allowed\n",
1611 line);
1612 errors++;
1613 }
1614 } else if (os_strcmp(buf, "max_num_sta") == 0) {
1615 bss->max_num_sta = atoi(pos);
1616 if (bss->max_num_sta < 0 ||
1617 bss->max_num_sta > MAX_STA_COUNT) {
1618 printf("Line %d: Invalid max_num_sta=%d; "
1619 "allowed range 0..%d\n", line,
1620 bss->max_num_sta, MAX_STA_COUNT);
1621 errors++;
1622 }
1623 } else if (os_strcmp(buf, "wpa") == 0) {
1624 bss->wpa = atoi(pos);
1625 } else if (os_strcmp(buf, "wpa_group_rekey") == 0) {
1626 bss->wpa_group_rekey = atoi(pos);
1627 } else if (os_strcmp(buf, "wpa_strict_rekey") == 0) {
1628 bss->wpa_strict_rekey = atoi(pos);
1629 } else if (os_strcmp(buf, "wpa_gmk_rekey") == 0) {
1630 bss->wpa_gmk_rekey = atoi(pos);
1631 } else if (os_strcmp(buf, "wpa_passphrase") == 0) {
1632 int len = os_strlen(pos);
1633 if (len < 8 || len > 63) {
1634 printf("Line %d: invalid WPA passphrase length"
1635 " %d (expected 8..63)\n", line, len);
1636 errors++;
1637 } else {
1638 os_free(bss->ssid.wpa_passphrase);
1639 bss->ssid.wpa_passphrase = os_strdup(pos);
1640 }
1641 } else if (os_strcmp(buf, "wpa_psk") == 0) {
1642 os_free(bss->ssid.wpa_psk);
1643 bss->ssid.wpa_psk =
1644 os_zalloc(sizeof(struct hostapd_wpa_psk));
1645 if (bss->ssid.wpa_psk == NULL)
1646 errors++;
1647 else if (hexstr2bin(pos, bss->ssid.wpa_psk->psk,
1648 PMK_LEN) ||
1649 pos[PMK_LEN * 2] != '\0') {
1650 printf("Line %d: Invalid PSK '%s'.\n", line,
1651 pos);
1652 errors++;
1653 } else {
1654 bss->ssid.wpa_psk->group = 1;
1655 }
1656 } else if (os_strcmp(buf, "wpa_psk_file") == 0) {
1657 os_free(bss->ssid.wpa_psk_file);
1658 bss->ssid.wpa_psk_file = os_strdup(pos);
1659 if (!bss->ssid.wpa_psk_file) {
1660 printf("Line %d: allocation failed\n", line);
1661 errors++;
1662 }
1663 } else if (os_strcmp(buf, "wpa_key_mgmt") == 0) {
1664 bss->wpa_key_mgmt =
1665 hostapd_config_parse_key_mgmt(line, pos);
1666 if (bss->wpa_key_mgmt == -1)
1667 errors++;
1668 } else if (os_strcmp(buf, "wpa_pairwise") == 0) {
1669 bss->wpa_pairwise =
1670 hostapd_config_parse_cipher(line, pos);
1671 if (bss->wpa_pairwise == -1 ||
1672 bss->wpa_pairwise == 0)
1673 errors++;
1674 else if (bss->wpa_pairwise &
1675 (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 |
1676 WPA_CIPHER_WEP104)) {
1677 printf("Line %d: unsupported pairwise "
1678 "cipher suite '%s'\n",
1679 bss->wpa_pairwise, pos);
1680 errors++;
1681 }
1682 } else if (os_strcmp(buf, "rsn_pairwise") == 0) {
1683 bss->rsn_pairwise =
1684 hostapd_config_parse_cipher(line, pos);
1685 if (bss->rsn_pairwise == -1 ||
1686 bss->rsn_pairwise == 0)
1687 errors++;
1688 else if (bss->rsn_pairwise &
1689 (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 |
1690 WPA_CIPHER_WEP104)) {
1691 printf("Line %d: unsupported pairwise "
1692 "cipher suite '%s'\n",
1693 bss->rsn_pairwise, pos);
1694 errors++;
1695 }
1696 #ifdef CONFIG_RSN_PREAUTH
1697 } else if (os_strcmp(buf, "rsn_preauth") == 0) {
1698 bss->rsn_preauth = atoi(pos);
1699 } else if (os_strcmp(buf, "rsn_preauth_interfaces") == 0) {
1700 bss->rsn_preauth_interfaces = os_strdup(pos);
1701 #endif /* CONFIG_RSN_PREAUTH */
1702 #ifdef CONFIG_PEERKEY
1703 } else if (os_strcmp(buf, "peerkey") == 0) {
1704 bss->peerkey = atoi(pos);
1705 #endif /* CONFIG_PEERKEY */
1706 #ifdef CONFIG_IEEE80211R
1707 } else if (os_strcmp(buf, "mobility_domain") == 0) {
1708 if (os_strlen(pos) != 2 * MOBILITY_DOMAIN_ID_LEN ||
1709 hexstr2bin(pos, bss->mobility_domain,
1710 MOBILITY_DOMAIN_ID_LEN) != 0) {
1711 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
1712 "mobility_domain '%s'", line, pos);
1713 errors++;
1714 continue;
1715 }
1716 } else if (os_strcmp(buf, "r1_key_holder") == 0) {
1717 if (os_strlen(pos) != 2 * FT_R1KH_ID_LEN ||
1718 hexstr2bin(pos, bss->r1_key_holder,
1719 FT_R1KH_ID_LEN) != 0) {
1720 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
1721 "r1_key_holder '%s'", line, pos);
1722 errors++;
1723 continue;
1724 }
1725 } else if (os_strcmp(buf, "r0_key_lifetime") == 0) {
1726 bss->r0_key_lifetime = atoi(pos);
1727 } else if (os_strcmp(buf, "reassociation_deadline") == 0) {
1728 bss->reassociation_deadline = atoi(pos);
1729 } else if (os_strcmp(buf, "r0kh") == 0) {
1730 if (add_r0kh(bss, pos) < 0) {
1731 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
1732 "r0kh '%s'", line, pos);
1733 errors++;
1734 continue;
1735 }
1736 } else if (os_strcmp(buf, "r1kh") == 0) {
1737 if (add_r1kh(bss, pos) < 0) {
1738 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
1739 "r1kh '%s'", line, pos);
1740 errors++;
1741 continue;
1742 }
1743 } else if (os_strcmp(buf, "pmk_r1_push") == 0) {
1744 bss->pmk_r1_push = atoi(pos);
1745 #endif /* CONFIG_IEEE80211R */
1746 } else if (os_strcmp(buf, "ctrl_interface") == 0) {
1747 os_free(bss->ctrl_interface);
1748 bss->ctrl_interface = os_strdup(pos);
1749 } else if (os_strcmp(buf, "ctrl_interface_group") == 0) {
1750 #ifndef CONFIG_NATIVE_WINDOWS
1751 struct group *grp;
1752 char *endp;
1753 const char *group = pos;
1754
1755 grp = getgrnam(group);
1756 if (grp) {
1757 bss->ctrl_interface_gid = grp->gr_gid;
1758 bss->ctrl_interface_gid_set = 1;
1759 wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d"
1760 " (from group name '%s')",
1761 bss->ctrl_interface_gid, group);
1762 continue;
1763 }
1764
1765 /* Group name not found - try to parse this as gid */
1766 bss->ctrl_interface_gid = strtol(group, &endp, 10);
1767 if (*group == '\0' || *endp != '\0') {
1768 wpa_printf(MSG_DEBUG, "Line %d: Invalid group "
1769 "'%s'", line, group);
1770 errors++;
1771 continue;
1772 }
1773 bss->ctrl_interface_gid_set = 1;
1774 wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d",
1775 bss->ctrl_interface_gid);
1776 #endif /* CONFIG_NATIVE_WINDOWS */
1777 #ifdef RADIUS_SERVER
1778 } else if (os_strcmp(buf, "radius_server_clients") == 0) {
1779 os_free(bss->radius_server_clients);
1780 bss->radius_server_clients = os_strdup(pos);
1781 } else if (os_strcmp(buf, "radius_server_auth_port") == 0) {
1782 bss->radius_server_auth_port = atoi(pos);
1783 } else if (os_strcmp(buf, "radius_server_ipv6") == 0) {
1784 bss->radius_server_ipv6 = atoi(pos);
1785 #endif /* RADIUS_SERVER */
1786 } else if (os_strcmp(buf, "test_socket") == 0) {
1787 os_free(bss->test_socket);
1788 bss->test_socket = os_strdup(pos);
1789 } else if (os_strcmp(buf, "use_pae_group_addr") == 0) {
1790 bss->use_pae_group_addr = atoi(pos);
1791 } else if (os_strcmp(buf, "hw_mode") == 0) {
1792 if (os_strcmp(pos, "a") == 0)
1793 conf->hw_mode = HOSTAPD_MODE_IEEE80211A;
1794 else if (os_strcmp(pos, "b") == 0)
1795 conf->hw_mode = HOSTAPD_MODE_IEEE80211B;
1796 else if (os_strcmp(pos, "g") == 0)
1797 conf->hw_mode = HOSTAPD_MODE_IEEE80211G;
1798 else {
1799 printf("Line %d: unknown hw_mode '%s'\n",
1800 line, pos);
1801 errors++;
1802 }
1803 } else if (os_strcmp(buf, "channel") == 0) {
1804 conf->channel = atoi(pos);
1805 } else if (os_strcmp(buf, "beacon_int") == 0) {
1806 int val = atoi(pos);
1807 /* MIB defines range as 1..65535, but very small values
1808 * cause problems with the current implementation.
1809 * Since it is unlikely that this small numbers are
1810 * useful in real life scenarios, do not allow beacon
1811 * period to be set below 15 TU. */
1812 if (val < 15 || val > 65535) {
1813 printf("Line %d: invalid beacon_int %d "
1814 "(expected 15..65535)\n",
1815 line, val);
1816 errors++;
1817 } else
1818 conf->beacon_int = val;
1819 } else if (os_strcmp(buf, "dtim_period") == 0) {
1820 bss->dtim_period = atoi(pos);
1821 if (bss->dtim_period < 1 || bss->dtim_period > 255) {
1822 printf("Line %d: invalid dtim_period %d\n",
1823 line, bss->dtim_period);
1824 errors++;
1825 }
1826 } else if (os_strcmp(buf, "rts_threshold") == 0) {
1827 conf->rts_threshold = atoi(pos);
1828 if (conf->rts_threshold < 0 ||
1829 conf->rts_threshold > 2347) {
1830 printf("Line %d: invalid rts_threshold %d\n",
1831 line, conf->rts_threshold);
1832 errors++;
1833 }
1834 } else if (os_strcmp(buf, "fragm_threshold") == 0) {
1835 conf->fragm_threshold = atoi(pos);
1836 if (conf->fragm_threshold < 256 ||
1837 conf->fragm_threshold > 2346) {
1838 printf("Line %d: invalid fragm_threshold %d\n",
1839 line, conf->fragm_threshold);
1840 errors++;
1841 }
1842 } else if (os_strcmp(buf, "send_probe_response") == 0) {
1843 int val = atoi(pos);
1844 if (val != 0 && val != 1) {
1845 printf("Line %d: invalid send_probe_response "
1846 "%d (expected 0 or 1)\n", line, val);
1847 } else
1848 conf->send_probe_response = val;
1849 } else if (os_strcmp(buf, "supported_rates") == 0) {
1850 if (hostapd_parse_rates(&conf->supported_rates, pos)) {
1851 printf("Line %d: invalid rate list\n", line);
1852 errors++;
1853 }
1854 } else if (os_strcmp(buf, "basic_rates") == 0) {
1855 if (hostapd_parse_rates(&conf->basic_rates, pos)) {
1856 printf("Line %d: invalid rate list\n", line);
1857 errors++;
1858 }
1859 } else if (os_strcmp(buf, "ignore_broadcast_ssid") == 0) {
1860 bss->ignore_broadcast_ssid = atoi(pos);
1861 } else if (os_strcmp(buf, "bridge_packets") == 0) {
1862 conf->bridge_packets = atoi(pos);
1863 } else if (os_strcmp(buf, "wep_default_key") == 0) {
1864 bss->ssid.wep.idx = atoi(pos);
1865 if (bss->ssid.wep.idx > 3) {
1866 printf("Invalid wep_default_key index %d\n",
1867 bss->ssid.wep.idx);
1868 errors++;
1869 }
1870 } else if (os_strcmp(buf, "wep_key0") == 0 ||
1871 os_strcmp(buf, "wep_key1") == 0 ||
1872 os_strcmp(buf, "wep_key2") == 0 ||
1873 os_strcmp(buf, "wep_key3") == 0) {
1874 if (hostapd_config_read_wep(&bss->ssid.wep,
1875 buf[7] - '0', pos)) {
1876 printf("Line %d: invalid WEP key '%s'\n",
1877 line, buf);
1878 errors++;
1879 }
1880 } else if (os_strcmp(buf, "dynamic_vlan") == 0) {
1881 bss->ssid.dynamic_vlan = atoi(pos);
1882 } else if (os_strcmp(buf, "vlan_file") == 0) {
1883 if (hostapd_config_read_vlan_file(bss, pos)) {
1884 printf("Line %d: failed to read VLAN file "
1885 "'%s'\n", line, pos);
1886 errors++;
1887 }
1888 #ifdef CONFIG_FULL_DYNAMIC_VLAN
1889 } else if (os_strcmp(buf, "vlan_tagged_interface") == 0) {
1890 bss->ssid.vlan_tagged_interface = os_strdup(pos);
1891 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
1892 } else if (os_strcmp(buf, "passive_scan_interval") == 0) {
1893 conf->passive_scan_interval = atoi(pos);
1894 } else if (os_strcmp(buf, "passive_scan_listen") == 0) {
1895 conf->passive_scan_listen = atoi(pos);
1896 } else if (os_strcmp(buf, "passive_scan_mode") == 0) {
1897 conf->passive_scan_mode = atoi(pos);
1898 } else if (os_strcmp(buf, "ap_table_max_size") == 0) {
1899 conf->ap_table_max_size = atoi(pos);
1900 } else if (os_strcmp(buf, "ap_table_expiration_time") == 0) {
1901 conf->ap_table_expiration_time = atoi(pos);
1902 } else if (os_strncmp(buf, "tx_queue_", 9) == 0) {
1903 if (hostapd_config_tx_queue(conf, buf, pos)) {
1904 printf("Line %d: invalid TX queue item\n",
1905 line);
1906 errors++;
1907 }
1908 } else if (os_strcmp(buf, "wme_enabled") == 0) {
1909 bss->wme_enabled = atoi(pos);
1910 } else if (os_strncmp(buf, "wme_ac_", 7) == 0) {
1911 if (hostapd_config_wme_ac(conf, buf, pos)) {
1912 printf("Line %d: invalid wme ac item\n",
1913 line);
1914 errors++;
1915 }
1916 } else if (os_strcmp(buf, "bss") == 0) {
1917 if (hostapd_config_bss(conf, pos)) {
1918 printf("Line %d: invalid bss item\n", line);
1919 errors++;
1920 }
1921 } else if (os_strcmp(buf, "bssid") == 0) {
1922 if (bss == conf->bss &&
1923 (!conf->driver || !conf->driver->init_bssid)) {
1924 printf("Line %d: bssid item not allowed "
1925 "for the default interface and this "
1926 "driver\n", line);
1927 errors++;
1928 } else if (hwaddr_aton(pos, bss->bssid)) {
1929 printf("Line %d: invalid bssid item\n", line);
1930 errors++;
1931 }
1932 #ifdef CONFIG_IEEE80211W
1933 } else if (os_strcmp(buf, "ieee80211w") == 0) {
1934 bss->ieee80211w = atoi(pos);
1935 #endif /* CONFIG_IEEE80211W */
1936 } else if (os_strcmp(buf, "max_listen_interval") == 0) {
1937 bss->max_listen_interval = atoi(pos);
1938 } else if (os_strcmp(buf, "okc") == 0) {
1939 bss->okc = atoi(pos);
1940 } else {
1941 printf("Line %d: unknown configuration item '%s'\n",
1942 line, buf);
1943 errors++;
1944 }
1945 }
1946
1947 fclose(f);
1948
1949 if (bss->individual_wep_key_len == 0) {
1950 /* individual keys are not use; can use key idx0 for broadcast
1951 * keys */
1952 bss->broadcast_key_idx_min = 0;
1953 }
1954
1955 /* Select group cipher based on the enabled pairwise cipher suites */
1956 pairwise = 0;
1957 if (bss->wpa & 1)
1958 pairwise |= bss->wpa_pairwise;
1959 if (bss->wpa & 2) {
1960 if (bss->rsn_pairwise == 0)
1961 bss->rsn_pairwise = bss->wpa_pairwise;
1962 pairwise |= bss->rsn_pairwise;
1963 }
1964 if (pairwise & WPA_CIPHER_TKIP)
1965 bss->wpa_group = WPA_CIPHER_TKIP;
1966 else
1967 bss->wpa_group = WPA_CIPHER_CCMP;
1968
1969 for (i = 0; i < conf->num_bss; i++) {
1970 bss = &conf->bss[i];
1971
1972 bss->radius->auth_server = bss->radius->auth_servers;
1973 bss->radius->acct_server = bss->radius->acct_servers;
1974
1975 if (bss->wpa && bss->ieee802_1x) {
1976 bss->ssid.security_policy = SECURITY_WPA;
1977 } else if (bss->wpa) {
1978 bss->ssid.security_policy = SECURITY_WPA_PSK;
1979 } else if (bss->ieee802_1x) {
1980 bss->ssid.security_policy = SECURITY_IEEE_802_1X;
1981 bss->ssid.wep.default_len = bss->default_wep_key_len;
1982 } else if (bss->ssid.wep.keys_set)
1983 bss->ssid.security_policy = SECURITY_STATIC_WEP;
1984 else
1985 bss->ssid.security_policy = SECURITY_PLAINTEXT;
1986 }
1987
1988 if (hostapd_config_check(conf))
1989 errors++;
1990
1991 if (errors) {
1992 printf("%d errors found in configuration file '%s'\n",
1993 errors, fname);
1994 hostapd_config_free(conf);
1995 conf = NULL;
1996 }
1997
1998 return conf;
1999 }
2000
2001
2002 int hostapd_wep_key_cmp(struct hostapd_wep_keys *a, struct hostapd_wep_keys *b)
2003 {
2004 int i;
2005
2006 if (a->idx != b->idx || a->default_len != b->default_len)
2007 return 1;
2008 for (i = 0; i < NUM_WEP_KEYS; i++)
2009 if (a->len[i] != b->len[i] ||
2010 os_memcmp(a->key[i], b->key[i], a->len[i]) != 0)
2011 return 1;
2012 return 0;
2013 }
2014
2015
2016 static void hostapd_config_free_radius(struct hostapd_radius_server *servers,
2017 int num_servers)
2018 {
2019 int i;
2020
2021 for (i = 0; i < num_servers; i++) {
2022 os_free(servers[i].shared_secret);
2023 }
2024 os_free(servers);
2025 }
2026
2027
2028 static void hostapd_config_free_eap_user(struct hostapd_eap_user *user)
2029 {
2030 os_free(user->identity);
2031 os_free(user->password);
2032 os_free(user);
2033 }
2034
2035
2036 static void hostapd_config_free_wep(struct hostapd_wep_keys *keys)
2037 {
2038 int i;
2039 for (i = 0; i < NUM_WEP_KEYS; i++) {
2040 os_free(keys->key[i]);
2041 keys->key[i] = NULL;
2042 }
2043 }
2044
2045
2046 static void hostapd_config_free_bss(struct hostapd_bss_config *conf)
2047 {
2048 struct hostapd_wpa_psk *psk, *prev;
2049 struct hostapd_eap_user *user, *prev_user;
2050
2051 if (conf == NULL)
2052 return;
2053
2054 psk = conf->ssid.wpa_psk;
2055 while (psk) {
2056 prev = psk;
2057 psk = psk->next;
2058 os_free(prev);
2059 }
2060
2061 os_free(conf->ssid.wpa_passphrase);
2062 os_free(conf->ssid.wpa_psk_file);
2063 #ifdef CONFIG_FULL_DYNAMIC_VLAN
2064 os_free(conf->ssid.vlan_tagged_interface);
2065 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
2066
2067 user = conf->eap_user;
2068 while (user) {
2069 prev_user = user;
2070 user = user->next;
2071 hostapd_config_free_eap_user(prev_user);
2072 }
2073
2074 os_free(conf->dump_log_name);
2075 os_free(conf->eap_req_id_text);
2076 os_free(conf->accept_mac);
2077 os_free(conf->deny_mac);
2078 os_free(conf->nas_identifier);
2079 hostapd_config_free_radius(conf->radius->auth_servers,
2080 conf->radius->num_auth_servers);
2081 hostapd_config_free_radius(conf->radius->acct_servers,
2082 conf->radius->num_acct_servers);
2083 os_free(conf->rsn_preauth_interfaces);
2084 os_free(conf->ctrl_interface);
2085 os_free(conf->ca_cert);
2086 os_free(conf->server_cert);
2087 os_free(conf->private_key);
2088 os_free(conf->private_key_passwd);
2089 os_free(conf->dh_file);
2090 os_free(conf->pac_opaque_encr_key);
2091 os_free(conf->eap_fast_a_id);
2092 os_free(conf->eap_sim_db);
2093 os_free(conf->radius_server_clients);
2094 os_free(conf->test_socket);
2095 os_free(conf->radius);
2096 hostapd_config_free_vlan(conf);
2097 if (conf->ssid.dyn_vlan_keys) {
2098 struct hostapd_ssid *ssid = &conf->ssid;
2099 size_t i;
2100 for (i = 0; i <= ssid->max_dyn_vlan_keys; i++) {
2101 if (ssid->dyn_vlan_keys[i] == NULL)
2102 continue;
2103 hostapd_config_free_wep(ssid->dyn_vlan_keys[i]);
2104 os_free(ssid->dyn_vlan_keys[i]);
2105 }
2106 os_free(ssid->dyn_vlan_keys);
2107 ssid->dyn_vlan_keys = NULL;
2108 }
2109
2110 #ifdef CONFIG_IEEE80211R
2111 {
2112 struct ft_remote_r0kh *r0kh, *r0kh_prev;
2113 struct ft_remote_r1kh *r1kh, *r1kh_prev;
2114
2115 r0kh = conf->r0kh_list;
2116 conf->r0kh_list = NULL;
2117 while (r0kh) {
2118 r0kh_prev = r0kh;
2119 r0kh = r0kh->next;
2120 os_free(r0kh_prev);
2121 }
2122
2123 r1kh = conf->r1kh_list;
2124 conf->r1kh_list = NULL;
2125 while (r1kh) {
2126 r1kh_prev = r1kh;
2127 r1kh = r1kh->next;
2128 os_free(r1kh_prev);
2129 }
2130 }
2131 #endif /* CONFIG_IEEE80211R */
2132 }
2133
2134
2135 void hostapd_config_free(struct hostapd_config *conf)
2136 {
2137 size_t i;
2138
2139 if (conf == NULL)
2140 return;
2141
2142 for (i = 0; i < conf->num_bss; i++)
2143 hostapd_config_free_bss(&conf->bss[i]);
2144 os_free(conf->bss);
2145
2146 os_free(conf);
2147 }
2148
2149
2150 /* Perform a binary search for given MAC address from a pre-sorted list.
2151 * Returns 1 if address is in the list or 0 if not. */
2152 int hostapd_maclist_found(macaddr *list, int num_entries, const u8 *addr)
2153 {
2154 int start, end, middle, res;
2155
2156 start = 0;
2157 end = num_entries - 1;
2158
2159 while (start <= end) {
2160 middle = (start + end) / 2;
2161 res = os_memcmp(list[middle], addr, ETH_ALEN);
2162 if (res == 0)
2163 return 1;
2164 if (res < 0)
2165 start = middle + 1;
2166 else
2167 end = middle - 1;
2168 }
2169
2170 return 0;
2171 }
2172
2173
2174 int hostapd_rate_found(int *list, int rate)
2175 {
2176 int i;
2177
2178 if (list == NULL)
2179 return 0;
2180
2181 for (i = 0; list[i] >= 0; i++)
2182 if (list[i] == rate)
2183 return 1;
2184
2185 return 0;
2186 }
2187
2188
2189 const char * hostapd_get_vlan_id_ifname(struct hostapd_vlan *vlan, int vlan_id)
2190 {
2191 struct hostapd_vlan *v = vlan;
2192 while (v) {
2193 if (v->vlan_id == vlan_id || v->vlan_id == VLAN_ID_WILDCARD)
2194 return v->ifname;
2195 v = v->next;
2196 }
2197 return NULL;
2198 }
2199
2200
2201 const u8 * hostapd_get_psk(const struct hostapd_bss_config *conf,
2202 const u8 *addr, const u8 *prev_psk)
2203 {
2204 struct hostapd_wpa_psk *psk;
2205 int next_ok = prev_psk == NULL;
2206
2207 for (psk = conf->ssid.wpa_psk; psk != NULL; psk = psk->next) {
2208 if (next_ok &&
2209 (psk->group || os_memcmp(psk->addr, addr, ETH_ALEN) == 0))
2210 return psk->psk;
2211
2212 if (psk->psk == prev_psk)
2213 next_ok = 1;
2214 }
2215
2216 return NULL;
2217 }
2218
2219
2220 const struct hostapd_eap_user *
2221 hostapd_get_eap_user(const struct hostapd_bss_config *conf, const u8 *identity,
2222 size_t identity_len, int phase2)
2223 {
2224 struct hostapd_eap_user *user = conf->eap_user;
2225
2226 while (user) {
2227 if (!phase2 && user->identity == NULL) {
2228 /* Wildcard match */
2229 break;
2230 }
2231
2232 if (user->phase2 == !!phase2 && user->wildcard_prefix &&
2233 identity_len >= user->identity_len &&
2234 os_memcmp(user->identity, identity, user->identity_len) ==
2235 0) {
2236 /* Wildcard prefix match */
2237 break;
2238 }
2239
2240 if (user->phase2 == !!phase2 &&
2241 user->identity_len == identity_len &&
2242 os_memcmp(user->identity, identity, identity_len) == 0)
2243 break;
2244 user = user->next;
2245 }
2246
2247 return user;
2248 }
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