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IEEE 802.11w: Added association ping
[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 }
190
191
192 static struct hostapd_config * hostapd_config_defaults(void)
193 {
194 struct hostapd_config *conf;
195 struct hostapd_bss_config *bss;
196 int i;
197 const int aCWmin = 15, aCWmax = 1024;
198 const struct hostapd_wme_ac_params ac_bk =
199 { aCWmin, aCWmax, 7, 0, 0 }; /* background traffic */
200 const struct hostapd_wme_ac_params ac_be =
201 { aCWmin, aCWmax, 3, 0, 0 }; /* best effort traffic */
202 const struct hostapd_wme_ac_params ac_vi = /* video traffic */
203 { aCWmin >> 1, aCWmin, 2, 3000 / 32, 1 };
204 const struct hostapd_wme_ac_params ac_vo = /* voice traffic */
205 { aCWmin >> 2, aCWmin >> 1, 2, 1500 / 32, 1 };
206
207 conf = os_zalloc(sizeof(*conf));
208 bss = os_zalloc(sizeof(*bss));
209 if (conf == NULL || bss == NULL) {
210 printf("Failed to allocate memory for configuration data.\n");
211 os_free(conf);
212 os_free(bss);
213 return NULL;
214 }
215
216 /* set default driver based on configuration */
217 conf->driver = hostapd_drivers[0];
218 if (conf->driver == NULL) {
219 printf("No driver wrappers registered!\n");
220 os_free(conf);
221 os_free(bss);
222 return NULL;
223 }
224
225 bss->radius = os_zalloc(sizeof(*bss->radius));
226 if (bss->radius == NULL) {
227 os_free(conf);
228 os_free(bss);
229 return NULL;
230 }
231
232 hostapd_config_defaults_bss(bss);
233
234 conf->num_bss = 1;
235 conf->bss = bss;
236
237 conf->beacon_int = 100;
238 conf->rts_threshold = -1; /* use driver default: 2347 */
239 conf->fragm_threshold = -1; /* user driver default: 2346 */
240 conf->send_probe_response = 1;
241 conf->bridge_packets = INTERNAL_BRIDGE_DO_NOT_CONTROL;
242
243 os_memcpy(conf->country, "US ", 3);
244
245 for (i = 0; i < NUM_TX_QUEUES; i++)
246 conf->tx_queue[i].aifs = -1; /* use hw default */
247
248 conf->wme_ac_params[0] = ac_be;
249 conf->wme_ac_params[1] = ac_bk;
250 conf->wme_ac_params[2] = ac_vi;
251 conf->wme_ac_params[3] = ac_vo;
252
253 #ifdef CONFIG_IEEE80211N
254 SET_2BIT_LE16(&conf->ht_capab,
255 HT_CAP_INFO_MIMO_PWR_SAVE_OFFSET,
256 MIMO_PWR_NO_LIMIT_ON_MIMO_SEQS);
257
258 conf->ht_capab |= HT_CAP_INFO_GREEN_FIELD;
259 #endif /* CONFIG_IEEE80211N */
260
261 return conf;
262 }
263
264
265 int hostapd_mac_comp(const void *a, const void *b)
266 {
267 return os_memcmp(a, b, sizeof(macaddr));
268 }
269
270
271 int hostapd_mac_comp_empty(const void *a)
272 {
273 macaddr empty = { 0 };
274 return os_memcmp(a, empty, sizeof(macaddr));
275 }
276
277
278 static int hostapd_acl_comp(const void *a, const void *b)
279 {
280 const struct mac_acl_entry *aa = a;
281 const struct mac_acl_entry *bb = b;
282 return os_memcmp(aa->addr, bb->addr, sizeof(macaddr));
283 }
284
285
286 static int hostapd_config_read_maclist(const char *fname,
287 struct mac_acl_entry **acl, int *num)
288 {
289 FILE *f;
290 char buf[128], *pos;
291 int line = 0;
292 u8 addr[ETH_ALEN];
293 struct mac_acl_entry *newacl;
294 int vlan_id;
295
296 if (!fname)
297 return 0;
298
299 f = fopen(fname, "r");
300 if (!f) {
301 printf("MAC list file '%s' not found.\n", fname);
302 return -1;
303 }
304
305 while (fgets(buf, sizeof(buf), f)) {
306 line++;
307
308 if (buf[0] == '#')
309 continue;
310 pos = buf;
311 while (*pos != '\0') {
312 if (*pos == '\n') {
313 *pos = '\0';
314 break;
315 }
316 pos++;
317 }
318 if (buf[0] == '\0')
319 continue;
320
321 if (hwaddr_aton(buf, addr)) {
322 printf("Invalid MAC address '%s' at line %d in '%s'\n",
323 buf, line, fname);
324 fclose(f);
325 return -1;
326 }
327
328 vlan_id = 0;
329 pos = buf;
330 while (*pos != '\0' && *pos != ' ' && *pos != '\t')
331 pos++;
332 while (*pos == ' ' || *pos == '\t')
333 pos++;
334 if (*pos != '\0')
335 vlan_id = atoi(pos);
336
337 newacl = os_realloc(*acl, (*num + 1) * sizeof(**acl));
338 if (newacl == NULL) {
339 printf("MAC list reallocation failed\n");
340 fclose(f);
341 return -1;
342 }
343
344 *acl = newacl;
345 os_memcpy((*acl)[*num].addr, addr, ETH_ALEN);
346 (*acl)[*num].vlan_id = vlan_id;
347 (*num)++;
348 }
349
350 fclose(f);
351
352 qsort(*acl, *num, sizeof(**acl), hostapd_acl_comp);
353
354 return 0;
355 }
356
357
358 static int hostapd_config_read_wpa_psk(const char *fname,
359 struct hostapd_ssid *ssid)
360 {
361 FILE *f;
362 char buf[128], *pos;
363 int line = 0, ret = 0, len, ok;
364 u8 addr[ETH_ALEN];
365 struct hostapd_wpa_psk *psk;
366
367 if (!fname)
368 return 0;
369
370 f = fopen(fname, "r");
371 if (!f) {
372 printf("WPA PSK file '%s' not found.\n", fname);
373 return -1;
374 }
375
376 while (fgets(buf, sizeof(buf), f)) {
377 line++;
378
379 if (buf[0] == '#')
380 continue;
381 pos = buf;
382 while (*pos != '\0') {
383 if (*pos == '\n') {
384 *pos = '\0';
385 break;
386 }
387 pos++;
388 }
389 if (buf[0] == '\0')
390 continue;
391
392 if (hwaddr_aton(buf, addr)) {
393 printf("Invalid MAC address '%s' on line %d in '%s'\n",
394 buf, line, fname);
395 ret = -1;
396 break;
397 }
398
399 psk = os_zalloc(sizeof(*psk));
400 if (psk == NULL) {
401 printf("WPA PSK allocation failed\n");
402 ret = -1;
403 break;
404 }
405 if (is_zero_ether_addr(addr))
406 psk->group = 1;
407 else
408 os_memcpy(psk->addr, addr, ETH_ALEN);
409
410 pos = buf + 17;
411 if (pos == '\0') {
412 printf("No PSK on line %d in '%s'\n", line, fname);
413 os_free(psk);
414 ret = -1;
415 break;
416 }
417 pos++;
418
419 ok = 0;
420 len = os_strlen(pos);
421 if (len == 64 && hexstr2bin(pos, psk->psk, PMK_LEN) == 0)
422 ok = 1;
423 else if (len >= 8 && len < 64) {
424 pbkdf2_sha1(pos, ssid->ssid, ssid->ssid_len,
425 4096, psk->psk, PMK_LEN);
426 ok = 1;
427 }
428 if (!ok) {
429 printf("Invalid PSK '%s' on line %d in '%s'\n",
430 pos, line, fname);
431 os_free(psk);
432 ret = -1;
433 break;
434 }
435
436 psk->next = ssid->wpa_psk;
437 ssid->wpa_psk = psk;
438 }
439
440 fclose(f);
441
442 return ret;
443 }
444
445
446 int hostapd_setup_wpa_psk(struct hostapd_bss_config *conf)
447 {
448 struct hostapd_ssid *ssid = &conf->ssid;
449
450 if (ssid->wpa_passphrase != NULL) {
451 if (ssid->wpa_psk != NULL) {
452 printf("Warning: both WPA PSK and passphrase set. "
453 "Using passphrase.\n");
454 os_free(ssid->wpa_psk);
455 }
456 ssid->wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk));
457 if (ssid->wpa_psk == NULL) {
458 printf("Unable to alloc space for PSK\n");
459 return -1;
460 }
461 wpa_hexdump_ascii(MSG_DEBUG, "SSID",
462 (u8 *) ssid->ssid, ssid->ssid_len);
463 wpa_hexdump_ascii(MSG_DEBUG, "PSK (ASCII passphrase)",
464 (u8 *) ssid->wpa_passphrase,
465 os_strlen(ssid->wpa_passphrase));
466 pbkdf2_sha1(ssid->wpa_passphrase,
467 ssid->ssid, ssid->ssid_len,
468 4096, ssid->wpa_psk->psk, PMK_LEN);
469 wpa_hexdump(MSG_DEBUG, "PSK (from passphrase)",
470 ssid->wpa_psk->psk, PMK_LEN);
471 ssid->wpa_psk->group = 1;
472
473 os_memset(ssid->wpa_passphrase, 0,
474 os_strlen(ssid->wpa_passphrase));
475 os_free(ssid->wpa_passphrase);
476 ssid->wpa_passphrase = NULL;
477 }
478
479 if (ssid->wpa_psk_file) {
480 if (hostapd_config_read_wpa_psk(ssid->wpa_psk_file,
481 &conf->ssid))
482 return -1;
483 }
484
485 return 0;
486 }
487
488
489 #ifdef EAP_SERVER
490 static int hostapd_config_read_eap_user(const char *fname,
491 struct hostapd_bss_config *conf)
492 {
493 FILE *f;
494 char buf[512], *pos, *start, *pos2;
495 int line = 0, ret = 0, num_methods;
496 struct hostapd_eap_user *user, *tail = NULL;
497
498 if (!fname)
499 return 0;
500
501 f = fopen(fname, "r");
502 if (!f) {
503 printf("EAP user file '%s' not found.\n", fname);
504 return -1;
505 }
506
507 /* Lines: "user" METHOD,METHOD2 "password" (password optional) */
508 while (fgets(buf, sizeof(buf), f)) {
509 line++;
510
511 if (buf[0] == '#')
512 continue;
513 pos = buf;
514 while (*pos != '\0') {
515 if (*pos == '\n') {
516 *pos = '\0';
517 break;
518 }
519 pos++;
520 }
521 if (buf[0] == '\0')
522 continue;
523
524 user = NULL;
525
526 if (buf[0] != '"' && buf[0] != '*') {
527 printf("Invalid EAP identity (no \" in start) on "
528 "line %d in '%s'\n", line, fname);
529 goto failed;
530 }
531
532 user = os_zalloc(sizeof(*user));
533 if (user == NULL) {
534 printf("EAP user allocation failed\n");
535 goto failed;
536 }
537 user->force_version = -1;
538
539 if (buf[0] == '*') {
540 pos = buf;
541 } else {
542 pos = buf + 1;
543 start = pos;
544 while (*pos != '"' && *pos != '\0')
545 pos++;
546 if (*pos == '\0') {
547 printf("Invalid EAP identity (no \" in end) on"
548 " line %d in '%s'\n", line, fname);
549 goto failed;
550 }
551
552 user->identity = os_malloc(pos - start);
553 if (user->identity == NULL) {
554 printf("Failed to allocate memory for EAP "
555 "identity\n");
556 goto failed;
557 }
558 os_memcpy(user->identity, start, pos - start);
559 user->identity_len = pos - start;
560
561 if (pos[0] == '"' && pos[1] == '*') {
562 user->wildcard_prefix = 1;
563 pos++;
564 }
565 }
566 pos++;
567 while (*pos == ' ' || *pos == '\t')
568 pos++;
569
570 if (*pos == '\0') {
571 printf("No EAP method on line %d in '%s'\n",
572 line, fname);
573 goto failed;
574 }
575
576 start = pos;
577 while (*pos != ' ' && *pos != '\t' && *pos != '\0')
578 pos++;
579 if (*pos == '\0') {
580 pos = NULL;
581 } else {
582 *pos = '\0';
583 pos++;
584 }
585 num_methods = 0;
586 while (*start) {
587 char *pos3 = os_strchr(start, ',');
588 if (pos3) {
589 *pos3++ = '\0';
590 }
591 user->methods[num_methods].method =
592 eap_server_get_type(
593 start,
594 &user->methods[num_methods].vendor);
595 if (user->methods[num_methods].vendor ==
596 EAP_VENDOR_IETF &&
597 user->methods[num_methods].method == EAP_TYPE_NONE)
598 {
599 if (os_strcmp(start, "TTLS-PAP") == 0) {
600 user->ttls_auth |= EAP_TTLS_AUTH_PAP;
601 goto skip_eap;
602 }
603 if (os_strcmp(start, "TTLS-CHAP") == 0) {
604 user->ttls_auth |= EAP_TTLS_AUTH_CHAP;
605 goto skip_eap;
606 }
607 if (os_strcmp(start, "TTLS-MSCHAP") == 0) {
608 user->ttls_auth |=
609 EAP_TTLS_AUTH_MSCHAP;
610 goto skip_eap;
611 }
612 if (os_strcmp(start, "TTLS-MSCHAPV2") == 0) {
613 user->ttls_auth |=
614 EAP_TTLS_AUTH_MSCHAPV2;
615 goto skip_eap;
616 }
617 printf("Unsupported EAP type '%s' on line %d "
618 "in '%s'\n", start, line, fname);
619 goto failed;
620 }
621
622 num_methods++;
623 if (num_methods >= EAP_USER_MAX_METHODS)
624 break;
625 skip_eap:
626 if (pos3 == NULL)
627 break;
628 start = pos3;
629 }
630 if (num_methods == 0 && user->ttls_auth == 0) {
631 printf("No EAP types configured on line %d in '%s'\n",
632 line, fname);
633 goto failed;
634 }
635
636 if (pos == NULL)
637 goto done;
638
639 while (*pos == ' ' || *pos == '\t')
640 pos++;
641 if (*pos == '\0')
642 goto done;
643
644 if (os_strncmp(pos, "[ver=0]", 7) == 0) {
645 user->force_version = 0;
646 goto done;
647 }
648
649 if (os_strncmp(pos, "[ver=1]", 7) == 0) {
650 user->force_version = 1;
651 goto done;
652 }
653
654 if (os_strncmp(pos, "[2]", 3) == 0) {
655 user->phase2 = 1;
656 goto done;
657 }
658
659 if (*pos == '"') {
660 pos++;
661 start = pos;
662 while (*pos != '"' && *pos != '\0')
663 pos++;
664 if (*pos == '\0') {
665 printf("Invalid EAP password (no \" in end) "
666 "on line %d in '%s'\n", line, fname);
667 goto failed;
668 }
669
670 user->password = os_malloc(pos - start);
671 if (user->password == NULL) {
672 printf("Failed to allocate memory for EAP "
673 "password\n");
674 goto failed;
675 }
676 os_memcpy(user->password, start, pos - start);
677 user->password_len = pos - start;
678
679 pos++;
680 } else if (os_strncmp(pos, "hash:", 5) == 0) {
681 pos += 5;
682 pos2 = pos;
683 while (*pos2 != '\0' && *pos2 != ' ' &&
684 *pos2 != '\t' && *pos2 != '#')
685 pos2++;
686 if (pos2 - pos != 32) {
687 printf("Invalid password hash on line %d in "
688 "'%s'\n", line, fname);
689 goto failed;
690 }
691 user->password = os_malloc(16);
692 if (user->password == NULL) {
693 printf("Failed to allocate memory for EAP "
694 "password hash\n");
695 goto failed;
696 }
697 if (hexstr2bin(pos, user->password, 16) < 0) {
698 printf("Invalid hash password on line %d in "
699 "'%s'\n", line, fname);
700 goto failed;
701 }
702 user->password_len = 16;
703 user->password_hash = 1;
704 pos = pos2;
705 } else {
706 pos2 = pos;
707 while (*pos2 != '\0' && *pos2 != ' ' &&
708 *pos2 != '\t' && *pos2 != '#')
709 pos2++;
710 if ((pos2 - pos) & 1) {
711 printf("Invalid hex password on line %d in "
712 "'%s'\n", line, fname);
713 goto failed;
714 }
715 user->password = os_malloc((pos2 - pos) / 2);
716 if (user->password == NULL) {
717 printf("Failed to allocate memory for EAP "
718 "password\n");
719 goto failed;
720 }
721 if (hexstr2bin(pos, user->password,
722 (pos2 - pos) / 2) < 0) {
723 printf("Invalid hex password on line %d in "
724 "'%s'\n", line, fname);
725 goto failed;
726 }
727 user->password_len = (pos2 - pos) / 2;
728 pos = pos2;
729 }
730
731 while (*pos == ' ' || *pos == '\t')
732 pos++;
733 if (os_strncmp(pos, "[2]", 3) == 0) {
734 user->phase2 = 1;
735 }
736
737 done:
738 if (tail == NULL) {
739 tail = conf->eap_user = user;
740 } else {
741 tail->next = user;
742 tail = user;
743 }
744 continue;
745
746 failed:
747 if (user) {
748 os_free(user->password);
749 os_free(user->identity);
750 os_free(user);
751 }
752 ret = -1;
753 break;
754 }
755
756 fclose(f);
757
758 return ret;
759 }
760 #endif /* EAP_SERVER */
761
762
763 static int
764 hostapd_config_read_radius_addr(struct hostapd_radius_server **server,
765 int *num_server, const char *val, int def_port,
766 struct hostapd_radius_server **curr_serv)
767 {
768 struct hostapd_radius_server *nserv;
769 int ret;
770 static int server_index = 1;
771
772 nserv = os_realloc(*server, (*num_server + 1) * sizeof(*nserv));
773 if (nserv == NULL)
774 return -1;
775
776 *server = nserv;
777 nserv = &nserv[*num_server];
778 (*num_server)++;
779 (*curr_serv) = nserv;
780
781 os_memset(nserv, 0, sizeof(*nserv));
782 nserv->port = def_port;
783 ret = hostapd_parse_ip_addr(val, &nserv->addr);
784 nserv->index = server_index++;
785
786 return ret;
787 }
788
789
790 static int hostapd_config_parse_key_mgmt(int line, const char *value)
791 {
792 int val = 0, last;
793 char *start, *end, *buf;
794
795 buf = os_strdup(value);
796 if (buf == NULL)
797 return -1;
798 start = buf;
799
800 while (start != '\0') {
801 while (*start == ' ' || *start == '\t')
802 start++;
803 if (*start == '\0')
804 break;
805 end = start;
806 while (*end != ' ' && *end != '\t' && *end != '\0')
807 end++;
808 last = *end == '\0';
809 *end = '\0';
810 if (os_strcmp(start, "WPA-PSK") == 0)
811 val |= WPA_KEY_MGMT_PSK;
812 else if (os_strcmp(start, "WPA-EAP") == 0)
813 val |= WPA_KEY_MGMT_IEEE8021X;
814 #ifdef CONFIG_IEEE80211R
815 else if (os_strcmp(start, "FT-PSK") == 0)
816 val |= WPA_KEY_MGMT_FT_PSK;
817 else if (os_strcmp(start, "FT-EAP") == 0)
818 val |= WPA_KEY_MGMT_FT_IEEE8021X;
819 #endif /* CONFIG_IEEE80211R */
820 else {
821 printf("Line %d: invalid key_mgmt '%s'\n",
822 line, start);
823 os_free(buf);
824 return -1;
825 }
826
827 if (last)
828 break;
829 start = end + 1;
830 }
831
832 os_free(buf);
833 if (val == 0) {
834 printf("Line %d: no key_mgmt values configured.\n", line);
835 return -1;
836 }
837
838 return val;
839 }
840
841
842 static int hostapd_config_parse_cipher(int line, const char *value)
843 {
844 int val = 0, last;
845 char *start, *end, *buf;
846
847 buf = os_strdup(value);
848 if (buf == NULL)
849 return -1;
850 start = buf;
851
852 while (start != '\0') {
853 while (*start == ' ' || *start == '\t')
854 start++;
855 if (*start == '\0')
856 break;
857 end = start;
858 while (*end != ' ' && *end != '\t' && *end != '\0')
859 end++;
860 last = *end == '\0';
861 *end = '\0';
862 if (os_strcmp(start, "CCMP") == 0)
863 val |= WPA_CIPHER_CCMP;
864 else if (os_strcmp(start, "TKIP") == 0)
865 val |= WPA_CIPHER_TKIP;
866 else if (os_strcmp(start, "WEP104") == 0)
867 val |= WPA_CIPHER_WEP104;
868 else if (os_strcmp(start, "WEP40") == 0)
869 val |= WPA_CIPHER_WEP40;
870 else if (os_strcmp(start, "NONE") == 0)
871 val |= WPA_CIPHER_NONE;
872 else {
873 printf("Line %d: invalid cipher '%s'.", line, start);
874 os_free(buf);
875 return -1;
876 }
877
878 if (last)
879 break;
880 start = end + 1;
881 }
882 os_free(buf);
883
884 if (val == 0) {
885 printf("Line %d: no cipher values configured.", line);
886 return -1;
887 }
888 return val;
889 }
890
891
892 static int hostapd_config_check_bss(struct hostapd_bss_config *bss,
893 struct hostapd_config *conf)
894 {
895 if (bss->ieee802_1x && !bss->eap_server &&
896 !bss->radius->auth_servers) {
897 printf("Invalid IEEE 802.1X configuration (no EAP "
898 "authenticator configured).\n");
899 return -1;
900 }
901
902 if (bss->wpa && (bss->wpa_key_mgmt & WPA_KEY_MGMT_PSK) &&
903 bss->ssid.wpa_psk == NULL && bss->ssid.wpa_passphrase == NULL &&
904 bss->ssid.wpa_psk_file == NULL) {
905 printf("WPA-PSK enabled, but PSK or passphrase is not "
906 "configured.\n");
907 return -1;
908 }
909
910 if (hostapd_mac_comp_empty(bss->bssid) != 0) {
911 size_t i;
912
913 for (i = 0; i < conf->num_bss; i++) {
914 if ((&conf->bss[i] != bss) &&
915 (hostapd_mac_comp(conf->bss[i].bssid,
916 bss->bssid) == 0)) {
917 printf("Duplicate BSSID " MACSTR
918 " on interface '%s' and '%s'.\n",
919 MAC2STR(bss->bssid),
920 conf->bss[i].iface, bss->iface);
921 return -1;
922 }
923 }
924 }
925
926 #ifdef CONFIG_IEEE80211R
927 if ((bss->wpa_key_mgmt &
928 (WPA_KEY_MGMT_FT_PSK | WPA_KEY_MGMT_FT_IEEE8021X)) &&
929 (bss->nas_identifier == NULL ||
930 os_strlen(bss->nas_identifier) < 1 ||
931 os_strlen(bss->nas_identifier) > FT_R0KH_ID_MAX_LEN)) {
932 printf("FT (IEEE 802.11r) requires nas_identifier to be "
933 "configured as a 1..48 octet string\n");
934 return -1;
935 }
936 #endif /* CONFIG_IEEE80211R */
937
938 return 0;
939 }
940
941
942 static int hostapd_config_check(struct hostapd_config *conf)
943 {
944 size_t i;
945
946 for (i = 0; i < conf->num_bss; i++) {
947 if (hostapd_config_check_bss(&conf->bss[i], conf))
948 return -1;
949 }
950
951 return 0;
952 }
953
954
955 static int hostapd_config_read_wep(struct hostapd_wep_keys *wep, int keyidx,
956 char *val)
957 {
958 size_t len = os_strlen(val);
959
960 if (keyidx < 0 || keyidx > 3 || wep->key[keyidx] != NULL)
961 return -1;
962
963 if (val[0] == '"') {
964 if (len < 2 || val[len - 1] != '"')
965 return -1;
966 len -= 2;
967 wep->key[keyidx] = os_malloc(len);
968 if (wep->key[keyidx] == NULL)
969 return -1;
970 os_memcpy(wep->key[keyidx], val + 1, len);
971 wep->len[keyidx] = len;
972 } else {
973 if (len & 1)
974 return -1;
975 len /= 2;
976 wep->key[keyidx] = os_malloc(len);
977 if (wep->key[keyidx] == NULL)
978 return -1;
979 wep->len[keyidx] = len;
980 if (hexstr2bin(val, wep->key[keyidx], len) < 0)
981 return -1;
982 }
983
984 wep->keys_set++;
985
986 return 0;
987 }
988
989
990 static int hostapd_parse_rates(int **rate_list, char *val)
991 {
992 int *list;
993 int count;
994 char *pos, *end;
995
996 os_free(*rate_list);
997 *rate_list = NULL;
998
999 pos = val;
1000 count = 0;
1001 while (*pos != '\0') {
1002 if (*pos == ' ')
1003 count++;
1004 pos++;
1005 }
1006
1007 list = os_malloc(sizeof(int) * (count + 2));
1008 if (list == NULL)
1009 return -1;
1010 pos = val;
1011 count = 0;
1012 while (*pos != '\0') {
1013 end = os_strchr(pos, ' ');
1014 if (end)
1015 *end = '\0';
1016
1017 list[count++] = atoi(pos);
1018 if (!end)
1019 break;
1020 pos = end + 1;
1021 }
1022 list[count] = -1;
1023
1024 *rate_list = list;
1025 return 0;
1026 }
1027
1028
1029 static int hostapd_config_bss(struct hostapd_config *conf, const char *ifname)
1030 {
1031 struct hostapd_bss_config *bss;
1032
1033 if (*ifname == '\0')
1034 return -1;
1035
1036 bss = os_realloc(conf->bss, (conf->num_bss + 1) *
1037 sizeof(struct hostapd_bss_config));
1038 if (bss == NULL) {
1039 printf("Failed to allocate memory for multi-BSS entry\n");
1040 return -1;
1041 }
1042 conf->bss = bss;
1043
1044 bss = &(conf->bss[conf->num_bss]);
1045 os_memset(bss, 0, sizeof(*bss));
1046 bss->radius = os_zalloc(sizeof(*bss->radius));
1047 if (bss->radius == NULL) {
1048 printf("Failed to allocate memory for multi-BSS RADIUS "
1049 "data\n");
1050 return -1;
1051 }
1052
1053 conf->num_bss++;
1054 conf->last_bss = bss;
1055
1056 hostapd_config_defaults_bss(bss);
1057 os_strlcpy(bss->iface, ifname, sizeof(bss->iface));
1058 os_memcpy(bss->ssid.vlan, bss->iface, IFNAMSIZ + 1);
1059
1060 return 0;
1061 }
1062
1063
1064 static int valid_cw(int cw)
1065 {
1066 return (cw == 1 || cw == 3 || cw == 7 || cw == 15 || cw == 31 ||
1067 cw == 63 || cw == 127 || cw == 255 || cw == 511 || cw == 1023);
1068 }
1069
1070
1071 enum {
1072 IEEE80211_TX_QUEUE_DATA0 = 0, /* used for EDCA AC_VO data */
1073 IEEE80211_TX_QUEUE_DATA1 = 1, /* used for EDCA AC_VI data */
1074 IEEE80211_TX_QUEUE_DATA2 = 2, /* used for EDCA AC_BE data */
1075 IEEE80211_TX_QUEUE_DATA3 = 3, /* used for EDCA AC_BK data */
1076 IEEE80211_TX_QUEUE_DATA4 = 4,
1077 IEEE80211_TX_QUEUE_AFTER_BEACON = 6,
1078 IEEE80211_TX_QUEUE_BEACON = 7
1079 };
1080
1081 static int hostapd_config_tx_queue(struct hostapd_config *conf, char *name,
1082 char *val)
1083 {
1084 int num;
1085 char *pos;
1086 struct hostapd_tx_queue_params *queue;
1087
1088 /* skip 'tx_queue_' prefix */
1089 pos = name + 9;
1090 if (os_strncmp(pos, "data", 4) == 0 &&
1091 pos[4] >= '0' && pos[4] <= '9' && pos[5] == '_') {
1092 num = pos[4] - '0';
1093 pos += 6;
1094 } else if (os_strncmp(pos, "after_beacon_", 13) == 0) {
1095 num = IEEE80211_TX_QUEUE_AFTER_BEACON;
1096 pos += 13;
1097 } else if (os_strncmp(pos, "beacon_", 7) == 0) {
1098 num = IEEE80211_TX_QUEUE_BEACON;
1099 pos += 7;
1100 } else {
1101 printf("Unknown tx_queue name '%s'\n", pos);
1102 return -1;
1103 }
1104
1105 queue = &conf->tx_queue[num];
1106
1107 if (os_strcmp(pos, "aifs") == 0) {
1108 queue->aifs = atoi(val);
1109 if (queue->aifs < 0 || queue->aifs > 255) {
1110 printf("Invalid AIFS value %d\n", queue->aifs);
1111 return -1;
1112 }
1113 } else if (os_strcmp(pos, "cwmin") == 0) {
1114 queue->cwmin = atoi(val);
1115 if (!valid_cw(queue->cwmin)) {
1116 printf("Invalid cwMin value %d\n", queue->cwmin);
1117 return -1;
1118 }
1119 } else if (os_strcmp(pos, "cwmax") == 0) {
1120 queue->cwmax = atoi(val);
1121 if (!valid_cw(queue->cwmax)) {
1122 printf("Invalid cwMax value %d\n", queue->cwmax);
1123 return -1;
1124 }
1125 } else if (os_strcmp(pos, "burst") == 0) {
1126 queue->burst = hostapd_config_read_int10(val);
1127 } else {
1128 printf("Unknown tx_queue field '%s'\n", pos);
1129 return -1;
1130 }
1131
1132 queue->configured = 1;
1133
1134 return 0;
1135 }
1136
1137
1138 static int hostapd_config_wme_ac(struct hostapd_config *conf, char *name,
1139 char *val)
1140 {
1141 int num, v;
1142 char *pos;
1143 struct hostapd_wme_ac_params *ac;
1144
1145 /* skip 'wme_ac_' prefix */
1146 pos = name + 7;
1147 if (os_strncmp(pos, "be_", 3) == 0) {
1148 num = 0;
1149 pos += 3;
1150 } else if (os_strncmp(pos, "bk_", 3) == 0) {
1151 num = 1;
1152 pos += 3;
1153 } else if (os_strncmp(pos, "vi_", 3) == 0) {
1154 num = 2;
1155 pos += 3;
1156 } else if (os_strncmp(pos, "vo_", 3) == 0) {
1157 num = 3;
1158 pos += 3;
1159 } else {
1160 printf("Unknown wme name '%s'\n", pos);
1161 return -1;
1162 }
1163
1164 ac = &conf->wme_ac_params[num];
1165
1166 if (os_strcmp(pos, "aifs") == 0) {
1167 v = atoi(val);
1168 if (v < 1 || v > 255) {
1169 printf("Invalid AIFS value %d\n", v);
1170 return -1;
1171 }
1172 ac->aifs = v;
1173 } else if (os_strcmp(pos, "cwmin") == 0) {
1174 v = atoi(val);
1175 if (v < 0 || v > 12) {
1176 printf("Invalid cwMin value %d\n", v);
1177 return -1;
1178 }
1179 ac->cwmin = v;
1180 } else if (os_strcmp(pos, "cwmax") == 0) {
1181 v = atoi(val);
1182 if (v < 0 || v > 12) {
1183 printf("Invalid cwMax value %d\n", v);
1184 return -1;
1185 }
1186 ac->cwmax = v;
1187 } else if (os_strcmp(pos, "txop_limit") == 0) {
1188 v = atoi(val);
1189 if (v < 0 || v > 0xffff) {
1190 printf("Invalid txop value %d\n", v);
1191 return -1;
1192 }
1193 ac->txopLimit = v;
1194 } else if (os_strcmp(pos, "acm") == 0) {
1195 v = atoi(val);
1196 if (v < 0 || v > 1) {
1197 printf("Invalid acm value %d\n", v);
1198 return -1;
1199 }
1200 ac->admission_control_mandatory = v;
1201 } else {
1202 printf("Unknown wme_ac_ field '%s'\n", pos);
1203 return -1;
1204 }
1205
1206 return 0;
1207 }
1208
1209
1210 #ifdef CONFIG_IEEE80211R
1211 static int add_r0kh(struct hostapd_bss_config *bss, char *value)
1212 {
1213 struct ft_remote_r0kh *r0kh;
1214 char *pos, *next;
1215
1216 r0kh = os_zalloc(sizeof(*r0kh));
1217 if (r0kh == NULL)
1218 return -1;
1219
1220 /* 02:01:02:03:04:05 a.example.com 000102030405060708090a0b0c0d0e0f */
1221 pos = value;
1222 next = os_strchr(pos, ' ');
1223 if (next)
1224 *next++ = '\0';
1225 if (next == NULL || hwaddr_aton(pos, r0kh->addr)) {
1226 printf("Invalid R0KH MAC address: '%s'\n", pos);
1227 os_free(r0kh);
1228 return -1;
1229 }
1230
1231 pos = next;
1232 next = os_strchr(pos, ' ');
1233 if (next)
1234 *next++ = '\0';
1235 if (next == NULL || next - pos > FT_R0KH_ID_MAX_LEN) {
1236 printf("Invalid R0KH-ID: '%s'\n", pos);
1237 os_free(r0kh);
1238 return -1;
1239 }
1240 r0kh->id_len = next - pos - 1;
1241 os_memcpy(r0kh->id, pos, r0kh->id_len);
1242
1243 pos = next;
1244 if (hexstr2bin(pos, r0kh->key, sizeof(r0kh->key))) {
1245 printf("Invalid R0KH key: '%s'\n", pos);
1246 os_free(r0kh);
1247 return -1;
1248 }
1249
1250 r0kh->next = bss->r0kh_list;
1251 bss->r0kh_list = r0kh;
1252
1253 return 0;
1254 }
1255
1256
1257 static int add_r1kh(struct hostapd_bss_config *bss, char *value)
1258 {
1259 struct ft_remote_r1kh *r1kh;
1260 char *pos, *next;
1261
1262 r1kh = os_zalloc(sizeof(*r1kh));
1263 if (r1kh == NULL)
1264 return -1;
1265
1266 /* 02:01:02:03:04:05 02:01:02:03:04:05
1267 * 000102030405060708090a0b0c0d0e0f */
1268 pos = value;
1269 next = os_strchr(pos, ' ');
1270 if (next)
1271 *next++ = '\0';
1272 if (next == NULL || hwaddr_aton(pos, r1kh->addr)) {
1273 printf("Invalid R1KH MAC address: '%s'\n", pos);
1274 os_free(r1kh);
1275 return -1;
1276 }
1277
1278 pos = next;
1279 next = os_strchr(pos, ' ');
1280 if (next)
1281 *next++ = '\0';
1282 if (next == NULL || hwaddr_aton(pos, r1kh->id)) {
1283 printf("Invalid R1KH-ID: '%s'\n", pos);
1284 os_free(r1kh);
1285 return -1;
1286 }
1287
1288 pos = next;
1289 if (hexstr2bin(pos, r1kh->key, sizeof(r1kh->key))) {
1290 printf("Invalid R1KH key: '%s'\n", pos);
1291 os_free(r1kh);
1292 return -1;
1293 }
1294
1295 r1kh->next = bss->r1kh_list;
1296 bss->r1kh_list = r1kh;
1297
1298 return 0;
1299 }
1300 #endif /* CONFIG_IEEE80211R */
1301
1302
1303 struct hostapd_config * hostapd_config_read(const char *fname)
1304 {
1305 struct hostapd_config *conf;
1306 struct hostapd_bss_config *bss;
1307 FILE *f;
1308 char buf[256], *pos;
1309 int line = 0;
1310 int errors = 0;
1311 int pairwise;
1312 size_t i;
1313
1314 f = fopen(fname, "r");
1315 if (f == NULL) {
1316 printf("Could not open configuration file '%s' for reading.\n",
1317 fname);
1318 return NULL;
1319 }
1320
1321 conf = hostapd_config_defaults();
1322 if (conf == NULL) {
1323 fclose(f);
1324 return NULL;
1325 }
1326 bss = conf->last_bss = conf->bss;
1327
1328 while (fgets(buf, sizeof(buf), f)) {
1329 bss = conf->last_bss;
1330 line++;
1331
1332 if (buf[0] == '#')
1333 continue;
1334 pos = buf;
1335 while (*pos != '\0') {
1336 if (*pos == '\n') {
1337 *pos = '\0';
1338 break;
1339 }
1340 pos++;
1341 }
1342 if (buf[0] == '\0')
1343 continue;
1344
1345 pos = os_strchr(buf, '=');
1346 if (pos == NULL) {
1347 printf("Line %d: invalid line '%s'\n", line, buf);
1348 errors++;
1349 continue;
1350 }
1351 *pos = '\0';
1352 pos++;
1353
1354 if (os_strcmp(buf, "interface") == 0) {
1355 os_strlcpy(conf->bss[0].iface, pos,
1356 sizeof(conf->bss[0].iface));
1357 } else if (os_strcmp(buf, "bridge") == 0) {
1358 os_strlcpy(bss->bridge, pos, sizeof(bss->bridge));
1359 } else if (os_strcmp(buf, "driver") == 0) {
1360 int i;
1361 /* clear to get error below if setting is invalid */
1362 conf->driver = NULL;
1363 for (i = 0; hostapd_drivers[i]; i++) {
1364 if (os_strcmp(pos, hostapd_drivers[i]->name) ==
1365 0) {
1366 conf->driver = hostapd_drivers[i];
1367 break;
1368 }
1369 }
1370 if (conf->driver == NULL) {
1371 printf("Line %d: invalid/unknown driver "
1372 "'%s'\n", line, pos);
1373 errors++;
1374 }
1375 } else if (os_strcmp(buf, "debug") == 0) {
1376 wpa_printf(MSG_DEBUG, "Line %d: DEPRECATED: 'debug' "
1377 "configuration variable is not used "
1378 "anymore", line);
1379 } else if (os_strcmp(buf, "logger_syslog_level") == 0) {
1380 bss->logger_syslog_level = atoi(pos);
1381 } else if (os_strcmp(buf, "logger_stdout_level") == 0) {
1382 bss->logger_stdout_level = atoi(pos);
1383 } else if (os_strcmp(buf, "logger_syslog") == 0) {
1384 bss->logger_syslog = atoi(pos);
1385 } else if (os_strcmp(buf, "logger_stdout") == 0) {
1386 bss->logger_stdout = atoi(pos);
1387 } else if (os_strcmp(buf, "dump_file") == 0) {
1388 bss->dump_log_name = os_strdup(pos);
1389 } else if (os_strcmp(buf, "ssid") == 0) {
1390 bss->ssid.ssid_len = os_strlen(pos);
1391 if (bss->ssid.ssid_len > HOSTAPD_MAX_SSID_LEN ||
1392 bss->ssid.ssid_len < 1) {
1393 printf("Line %d: invalid SSID '%s'\n", line,
1394 pos);
1395 errors++;
1396 } else {
1397 os_memcpy(bss->ssid.ssid, pos,
1398 bss->ssid.ssid_len);
1399 bss->ssid.ssid[bss->ssid.ssid_len] = '\0';
1400 bss->ssid.ssid_set = 1;
1401 }
1402 } else if (os_strcmp(buf, "macaddr_acl") == 0) {
1403 bss->macaddr_acl = atoi(pos);
1404 if (bss->macaddr_acl != ACCEPT_UNLESS_DENIED &&
1405 bss->macaddr_acl != DENY_UNLESS_ACCEPTED &&
1406 bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH) {
1407 printf("Line %d: unknown macaddr_acl %d\n",
1408 line, bss->macaddr_acl);
1409 }
1410 } else if (os_strcmp(buf, "accept_mac_file") == 0) {
1411 if (hostapd_config_read_maclist(pos, &bss->accept_mac,
1412 &bss->num_accept_mac))
1413 {
1414 printf("Line %d: Failed to read "
1415 "accept_mac_file '%s'\n",
1416 line, pos);
1417 errors++;
1418 }
1419 } else if (os_strcmp(buf, "deny_mac_file") == 0) {
1420 if (hostapd_config_read_maclist(pos, &bss->deny_mac,
1421 &bss->num_deny_mac))
1422 {
1423 printf("Line %d: Failed to read "
1424 "deny_mac_file '%s'\n",
1425 line, pos);
1426 errors++;
1427 }
1428 } else if (os_strcmp(buf, "ap_max_inactivity") == 0) {
1429 bss->ap_max_inactivity = atoi(pos);
1430 } else if (os_strcmp(buf, "country_code") == 0) {
1431 os_memcpy(conf->country, pos, 2);
1432 /* FIX: make this configurable */
1433 conf->country[2] = ' ';
1434 } else if (os_strcmp(buf, "ieee80211d") == 0) {
1435 conf->ieee80211d = atoi(pos);
1436 } else if (os_strcmp(buf, "ieee80211h") == 0) {
1437 conf->ieee80211h = atoi(pos);
1438 } else if (os_strcmp(buf, "assoc_ap_addr") == 0) {
1439 if (hwaddr_aton(pos, bss->assoc_ap_addr)) {
1440 printf("Line %d: invalid MAC address '%s'\n",
1441 line, pos);
1442 errors++;
1443 }
1444 bss->assoc_ap = 1;
1445 } else if (os_strcmp(buf, "ieee8021x") == 0) {
1446 bss->ieee802_1x = atoi(pos);
1447 } else if (os_strcmp(buf, "eapol_version") == 0) {
1448 bss->eapol_version = atoi(pos);
1449 if (bss->eapol_version < 1 ||
1450 bss->eapol_version > 2) {
1451 printf("Line %d: invalid EAPOL "
1452 "version (%d): '%s'.\n",
1453 line, bss->eapol_version, pos);
1454 errors++;
1455 } else
1456 wpa_printf(MSG_DEBUG, "eapol_version=%d",
1457 bss->eapol_version);
1458 #ifdef EAP_SERVER
1459 } else if (os_strcmp(buf, "eap_authenticator") == 0) {
1460 bss->eap_server = atoi(pos);
1461 printf("Line %d: obsolete eap_authenticator used; "
1462 "this has been renamed to eap_server\n", line);
1463 } else if (os_strcmp(buf, "eap_server") == 0) {
1464 bss->eap_server = atoi(pos);
1465 } else if (os_strcmp(buf, "eap_user_file") == 0) {
1466 if (hostapd_config_read_eap_user(pos, bss))
1467 errors++;
1468 } else if (os_strcmp(buf, "ca_cert") == 0) {
1469 os_free(bss->ca_cert);
1470 bss->ca_cert = os_strdup(pos);
1471 } else if (os_strcmp(buf, "server_cert") == 0) {
1472 os_free(bss->server_cert);
1473 bss->server_cert = os_strdup(pos);
1474 } else if (os_strcmp(buf, "private_key") == 0) {
1475 os_free(bss->private_key);
1476 bss->private_key = os_strdup(pos);
1477 } else if (os_strcmp(buf, "private_key_passwd") == 0) {
1478 os_free(bss->private_key_passwd);
1479 bss->private_key_passwd = os_strdup(pos);
1480 } else if (os_strcmp(buf, "check_crl") == 0) {
1481 bss->check_crl = atoi(pos);
1482 } else if (os_strcmp(buf, "dh_file") == 0) {
1483 os_free(bss->dh_file);
1484 bss->dh_file = os_strdup(pos);
1485 #ifdef EAP_FAST
1486 } else if (os_strcmp(buf, "pac_opaque_encr_key") == 0) {
1487 os_free(bss->pac_opaque_encr_key);
1488 bss->pac_opaque_encr_key = os_malloc(16);
1489 if (bss->pac_opaque_encr_key == NULL) {
1490 printf("Line %d: No memory for "
1491 "pac_opque_encr_key\n", line);
1492 errors++;
1493 } else if (hexstr2bin(pos, bss->pac_opaque_encr_key,
1494 16)) {
1495 printf("Line %d: Invalid pac_opque_encr_key\n",
1496 line);
1497 errors++;
1498 }
1499 } else if (os_strcmp(buf, "eap_fast_a_id") == 0) {
1500 os_free(bss->eap_fast_a_id);
1501 bss->eap_fast_a_id = os_strdup(pos);
1502 #endif /* EAP_FAST */
1503 #ifdef EAP_SIM
1504 } else if (os_strcmp(buf, "eap_sim_db") == 0) {
1505 os_free(bss->eap_sim_db);
1506 bss->eap_sim_db = os_strdup(pos);
1507 } else if (os_strcmp(buf, "eap_sim_aka_result_ind") == 0) {
1508 bss->eap_sim_aka_result_ind = atoi(pos);
1509 #endif /* EAP_SIM */
1510 #ifdef EAP_TNC
1511 } else if (os_strcmp(buf, "tnc") == 0) {
1512 bss->tnc = atoi(pos);
1513 #endif /* EAP_TNC */
1514 #endif /* EAP_SERVER */
1515 } else if (os_strcmp(buf, "eap_message") == 0) {
1516 char *term;
1517 bss->eap_req_id_text = os_strdup(pos);
1518 if (bss->eap_req_id_text == NULL) {
1519 printf("Line %d: Failed to allocate memory "
1520 "for eap_req_id_text\n", line);
1521 errors++;
1522 continue;
1523 }
1524 bss->eap_req_id_text_len =
1525 os_strlen(bss->eap_req_id_text);
1526 term = os_strstr(bss->eap_req_id_text, "\\0");
1527 if (term) {
1528 *term++ = '\0';
1529 os_memmove(term, term + 1,
1530 bss->eap_req_id_text_len -
1531 (term - bss->eap_req_id_text) - 1);
1532 bss->eap_req_id_text_len--;
1533 }
1534 } else if (os_strcmp(buf, "wep_key_len_broadcast") == 0) {
1535 bss->default_wep_key_len = atoi(pos);
1536 if (bss->default_wep_key_len > 13) {
1537 printf("Line %d: invalid WEP key len %lu "
1538 "(= %lu bits)\n", line,
1539 (unsigned long)
1540 bss->default_wep_key_len,
1541 (unsigned long)
1542 bss->default_wep_key_len * 8);
1543 errors++;
1544 }
1545 } else if (os_strcmp(buf, "wep_key_len_unicast") == 0) {
1546 bss->individual_wep_key_len = atoi(pos);
1547 if (bss->individual_wep_key_len < 0 ||
1548 bss->individual_wep_key_len > 13) {
1549 printf("Line %d: invalid WEP key len %d "
1550 "(= %d bits)\n", line,
1551 bss->individual_wep_key_len,
1552 bss->individual_wep_key_len * 8);
1553 errors++;
1554 }
1555 } else if (os_strcmp(buf, "wep_rekey_period") == 0) {
1556 bss->wep_rekeying_period = atoi(pos);
1557 if (bss->wep_rekeying_period < 0) {
1558 printf("Line %d: invalid period %d\n",
1559 line, bss->wep_rekeying_period);
1560 errors++;
1561 }
1562 } else if (os_strcmp(buf, "eap_reauth_period") == 0) {
1563 bss->eap_reauth_period = atoi(pos);
1564 if (bss->eap_reauth_period < 0) {
1565 printf("Line %d: invalid period %d\n",
1566 line, bss->eap_reauth_period);
1567 errors++;
1568 }
1569 } else if (os_strcmp(buf, "eapol_key_index_workaround") == 0) {
1570 bss->eapol_key_index_workaround = atoi(pos);
1571 #ifdef CONFIG_IAPP
1572 } else if (os_strcmp(buf, "iapp_interface") == 0) {
1573 bss->ieee802_11f = 1;
1574 os_strlcpy(bss->iapp_iface, pos,
1575 sizeof(bss->iapp_iface));
1576 #endif /* CONFIG_IAPP */
1577 } else if (os_strcmp(buf, "own_ip_addr") == 0) {
1578 if (hostapd_parse_ip_addr(pos, &bss->own_ip_addr)) {
1579 printf("Line %d: invalid IP address '%s'\n",
1580 line, pos);
1581 errors++;
1582 }
1583 } else if (os_strcmp(buf, "nas_identifier") == 0) {
1584 bss->nas_identifier = os_strdup(pos);
1585 } else if (os_strcmp(buf, "auth_server_addr") == 0) {
1586 if (hostapd_config_read_radius_addr(
1587 &bss->radius->auth_servers,
1588 &bss->radius->num_auth_servers, pos, 1812,
1589 &bss->radius->auth_server)) {
1590 printf("Line %d: invalid IP address '%s'\n",
1591 line, pos);
1592 errors++;
1593 }
1594 } else if (bss->radius->auth_server &&
1595 os_strcmp(buf, "auth_server_port") == 0) {
1596 bss->radius->auth_server->port = atoi(pos);
1597 } else if (bss->radius->auth_server &&
1598 os_strcmp(buf, "auth_server_shared_secret") == 0) {
1599 int len = os_strlen(pos);
1600 if (len == 0) {
1601 /* RFC 2865, Ch. 3 */
1602 printf("Line %d: empty shared secret is not "
1603 "allowed.\n", line);
1604 errors++;
1605 }
1606 bss->radius->auth_server->shared_secret =
1607 (u8 *) os_strdup(pos);
1608 bss->radius->auth_server->shared_secret_len = len;
1609 } else if (os_strcmp(buf, "acct_server_addr") == 0) {
1610 if (hostapd_config_read_radius_addr(
1611 &bss->radius->acct_servers,
1612 &bss->radius->num_acct_servers, pos, 1813,
1613 &bss->radius->acct_server)) {
1614 printf("Line %d: invalid IP address '%s'\n",
1615 line, pos);
1616 errors++;
1617 }
1618 } else if (bss->radius->acct_server &&
1619 os_strcmp(buf, "acct_server_port") == 0) {
1620 bss->radius->acct_server->port = atoi(pos);
1621 } else if (bss->radius->acct_server &&
1622 os_strcmp(buf, "acct_server_shared_secret") == 0) {
1623 int len = os_strlen(pos);
1624 if (len == 0) {
1625 /* RFC 2865, Ch. 3 */
1626 printf("Line %d: empty shared secret is not "
1627 "allowed.\n", line);
1628 errors++;
1629 }
1630 bss->radius->acct_server->shared_secret =
1631 (u8 *) os_strdup(pos);
1632 bss->radius->acct_server->shared_secret_len = len;
1633 } else if (os_strcmp(buf, "radius_retry_primary_interval") ==
1634 0) {
1635 bss->radius->retry_primary_interval = atoi(pos);
1636 } else if (os_strcmp(buf, "radius_acct_interim_interval") == 0)
1637 {
1638 bss->radius->acct_interim_interval = atoi(pos);
1639 } else if (os_strcmp(buf, "auth_algs") == 0) {
1640 bss->auth_algs = atoi(pos);
1641 if (bss->auth_algs == 0) {
1642 printf("Line %d: no authentication algorithms "
1643 "allowed\n",
1644 line);
1645 errors++;
1646 }
1647 } else if (os_strcmp(buf, "max_num_sta") == 0) {
1648 bss->max_num_sta = atoi(pos);
1649 if (bss->max_num_sta < 0 ||
1650 bss->max_num_sta > MAX_STA_COUNT) {
1651 printf("Line %d: Invalid max_num_sta=%d; "
1652 "allowed range 0..%d\n", line,
1653 bss->max_num_sta, MAX_STA_COUNT);
1654 errors++;
1655 }
1656 } else if (os_strcmp(buf, "wpa") == 0) {
1657 bss->wpa = atoi(pos);
1658 } else if (os_strcmp(buf, "wpa_group_rekey") == 0) {
1659 bss->wpa_group_rekey = atoi(pos);
1660 } else if (os_strcmp(buf, "wpa_strict_rekey") == 0) {
1661 bss->wpa_strict_rekey = atoi(pos);
1662 } else if (os_strcmp(buf, "wpa_gmk_rekey") == 0) {
1663 bss->wpa_gmk_rekey = atoi(pos);
1664 } else if (os_strcmp(buf, "wpa_passphrase") == 0) {
1665 int len = os_strlen(pos);
1666 if (len < 8 || len > 63) {
1667 printf("Line %d: invalid WPA passphrase length"
1668 " %d (expected 8..63)\n", line, len);
1669 errors++;
1670 } else {
1671 os_free(bss->ssid.wpa_passphrase);
1672 bss->ssid.wpa_passphrase = os_strdup(pos);
1673 }
1674 } else if (os_strcmp(buf, "wpa_psk") == 0) {
1675 os_free(bss->ssid.wpa_psk);
1676 bss->ssid.wpa_psk =
1677 os_zalloc(sizeof(struct hostapd_wpa_psk));
1678 if (bss->ssid.wpa_psk == NULL)
1679 errors++;
1680 else if (hexstr2bin(pos, bss->ssid.wpa_psk->psk,
1681 PMK_LEN) ||
1682 pos[PMK_LEN * 2] != '\0') {
1683 printf("Line %d: Invalid PSK '%s'.\n", line,
1684 pos);
1685 errors++;
1686 } else {
1687 bss->ssid.wpa_psk->group = 1;
1688 }
1689 } else if (os_strcmp(buf, "wpa_psk_file") == 0) {
1690 os_free(bss->ssid.wpa_psk_file);
1691 bss->ssid.wpa_psk_file = os_strdup(pos);
1692 if (!bss->ssid.wpa_psk_file) {
1693 printf("Line %d: allocation failed\n", line);
1694 errors++;
1695 }
1696 } else if (os_strcmp(buf, "wpa_key_mgmt") == 0) {
1697 bss->wpa_key_mgmt =
1698 hostapd_config_parse_key_mgmt(line, pos);
1699 if (bss->wpa_key_mgmt == -1)
1700 errors++;
1701 } else if (os_strcmp(buf, "wpa_pairwise") == 0) {
1702 bss->wpa_pairwise =
1703 hostapd_config_parse_cipher(line, pos);
1704 if (bss->wpa_pairwise == -1 ||
1705 bss->wpa_pairwise == 0)
1706 errors++;
1707 else if (bss->wpa_pairwise &
1708 (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 |
1709 WPA_CIPHER_WEP104)) {
1710 printf("Line %d: unsupported pairwise "
1711 "cipher suite '%s'\n",
1712 bss->wpa_pairwise, pos);
1713 errors++;
1714 }
1715 } else if (os_strcmp(buf, "rsn_pairwise") == 0) {
1716 bss->rsn_pairwise =
1717 hostapd_config_parse_cipher(line, pos);
1718 if (bss->rsn_pairwise == -1 ||
1719 bss->rsn_pairwise == 0)
1720 errors++;
1721 else if (bss->rsn_pairwise &
1722 (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 |
1723 WPA_CIPHER_WEP104)) {
1724 printf("Line %d: unsupported pairwise "
1725 "cipher suite '%s'\n",
1726 bss->rsn_pairwise, pos);
1727 errors++;
1728 }
1729 #ifdef CONFIG_RSN_PREAUTH
1730 } else if (os_strcmp(buf, "rsn_preauth") == 0) {
1731 bss->rsn_preauth = atoi(pos);
1732 } else if (os_strcmp(buf, "rsn_preauth_interfaces") == 0) {
1733 bss->rsn_preauth_interfaces = os_strdup(pos);
1734 #endif /* CONFIG_RSN_PREAUTH */
1735 #ifdef CONFIG_PEERKEY
1736 } else if (os_strcmp(buf, "peerkey") == 0) {
1737 bss->peerkey = atoi(pos);
1738 #endif /* CONFIG_PEERKEY */
1739 #ifdef CONFIG_IEEE80211R
1740 } else if (os_strcmp(buf, "mobility_domain") == 0) {
1741 if (os_strlen(pos) != 2 * MOBILITY_DOMAIN_ID_LEN ||
1742 hexstr2bin(pos, bss->mobility_domain,
1743 MOBILITY_DOMAIN_ID_LEN) != 0) {
1744 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
1745 "mobility_domain '%s'", line, pos);
1746 errors++;
1747 continue;
1748 }
1749 } else if (os_strcmp(buf, "r1_key_holder") == 0) {
1750 if (os_strlen(pos) != 2 * FT_R1KH_ID_LEN ||
1751 hexstr2bin(pos, bss->r1_key_holder,
1752 FT_R1KH_ID_LEN) != 0) {
1753 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
1754 "r1_key_holder '%s'", line, pos);
1755 errors++;
1756 continue;
1757 }
1758 } else if (os_strcmp(buf, "r0_key_lifetime") == 0) {
1759 bss->r0_key_lifetime = atoi(pos);
1760 } else if (os_strcmp(buf, "reassociation_deadline") == 0) {
1761 bss->reassociation_deadline = atoi(pos);
1762 } else if (os_strcmp(buf, "r0kh") == 0) {
1763 if (add_r0kh(bss, pos) < 0) {
1764 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
1765 "r0kh '%s'", line, pos);
1766 errors++;
1767 continue;
1768 }
1769 } else if (os_strcmp(buf, "r1kh") == 0) {
1770 if (add_r1kh(bss, pos) < 0) {
1771 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
1772 "r1kh '%s'", line, pos);
1773 errors++;
1774 continue;
1775 }
1776 } else if (os_strcmp(buf, "pmk_r1_push") == 0) {
1777 bss->pmk_r1_push = atoi(pos);
1778 #endif /* CONFIG_IEEE80211R */
1779 } else if (os_strcmp(buf, "ctrl_interface") == 0) {
1780 os_free(bss->ctrl_interface);
1781 bss->ctrl_interface = os_strdup(pos);
1782 } else if (os_strcmp(buf, "ctrl_interface_group") == 0) {
1783 #ifndef CONFIG_NATIVE_WINDOWS
1784 struct group *grp;
1785 char *endp;
1786 const char *group = pos;
1787
1788 grp = getgrnam(group);
1789 if (grp) {
1790 bss->ctrl_interface_gid = grp->gr_gid;
1791 bss->ctrl_interface_gid_set = 1;
1792 wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d"
1793 " (from group name '%s')",
1794 bss->ctrl_interface_gid, group);
1795 continue;
1796 }
1797
1798 /* Group name not found - try to parse this as gid */
1799 bss->ctrl_interface_gid = strtol(group, &endp, 10);
1800 if (*group == '\0' || *endp != '\0') {
1801 wpa_printf(MSG_DEBUG, "Line %d: Invalid group "
1802 "'%s'", line, group);
1803 errors++;
1804 continue;
1805 }
1806 bss->ctrl_interface_gid_set = 1;
1807 wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d",
1808 bss->ctrl_interface_gid);
1809 #endif /* CONFIG_NATIVE_WINDOWS */
1810 #ifdef RADIUS_SERVER
1811 } else if (os_strcmp(buf, "radius_server_clients") == 0) {
1812 os_free(bss->radius_server_clients);
1813 bss->radius_server_clients = os_strdup(pos);
1814 } else if (os_strcmp(buf, "radius_server_auth_port") == 0) {
1815 bss->radius_server_auth_port = atoi(pos);
1816 } else if (os_strcmp(buf, "radius_server_ipv6") == 0) {
1817 bss->radius_server_ipv6 = atoi(pos);
1818 #endif /* RADIUS_SERVER */
1819 } else if (os_strcmp(buf, "test_socket") == 0) {
1820 os_free(bss->test_socket);
1821 bss->test_socket = os_strdup(pos);
1822 } else if (os_strcmp(buf, "use_pae_group_addr") == 0) {
1823 bss->use_pae_group_addr = atoi(pos);
1824 } else if (os_strcmp(buf, "hw_mode") == 0) {
1825 if (os_strcmp(pos, "a") == 0)
1826 conf->hw_mode = HOSTAPD_MODE_IEEE80211A;
1827 else if (os_strcmp(pos, "b") == 0)
1828 conf->hw_mode = HOSTAPD_MODE_IEEE80211B;
1829 else if (os_strcmp(pos, "g") == 0)
1830 conf->hw_mode = HOSTAPD_MODE_IEEE80211G;
1831 else {
1832 printf("Line %d: unknown hw_mode '%s'\n",
1833 line, pos);
1834 errors++;
1835 }
1836 } else if (os_strcmp(buf, "channel") == 0) {
1837 conf->channel = atoi(pos);
1838 } else if (os_strcmp(buf, "beacon_int") == 0) {
1839 int val = atoi(pos);
1840 /* MIB defines range as 1..65535, but very small values
1841 * cause problems with the current implementation.
1842 * Since it is unlikely that this small numbers are
1843 * useful in real life scenarios, do not allow beacon
1844 * period to be set below 15 TU. */
1845 if (val < 15 || val > 65535) {
1846 printf("Line %d: invalid beacon_int %d "
1847 "(expected 15..65535)\n",
1848 line, val);
1849 errors++;
1850 } else
1851 conf->beacon_int = val;
1852 } else if (os_strcmp(buf, "dtim_period") == 0) {
1853 bss->dtim_period = atoi(pos);
1854 if (bss->dtim_period < 1 || bss->dtim_period > 255) {
1855 printf("Line %d: invalid dtim_period %d\n",
1856 line, bss->dtim_period);
1857 errors++;
1858 }
1859 } else if (os_strcmp(buf, "rts_threshold") == 0) {
1860 conf->rts_threshold = atoi(pos);
1861 if (conf->rts_threshold < 0 ||
1862 conf->rts_threshold > 2347) {
1863 printf("Line %d: invalid rts_threshold %d\n",
1864 line, conf->rts_threshold);
1865 errors++;
1866 }
1867 } else if (os_strcmp(buf, "fragm_threshold") == 0) {
1868 conf->fragm_threshold = atoi(pos);
1869 if (conf->fragm_threshold < 256 ||
1870 conf->fragm_threshold > 2346) {
1871 printf("Line %d: invalid fragm_threshold %d\n",
1872 line, conf->fragm_threshold);
1873 errors++;
1874 }
1875 } else if (os_strcmp(buf, "send_probe_response") == 0) {
1876 int val = atoi(pos);
1877 if (val != 0 && val != 1) {
1878 printf("Line %d: invalid send_probe_response "
1879 "%d (expected 0 or 1)\n", line, val);
1880 } else
1881 conf->send_probe_response = val;
1882 } else if (os_strcmp(buf, "supported_rates") == 0) {
1883 if (hostapd_parse_rates(&conf->supported_rates, pos)) {
1884 printf("Line %d: invalid rate list\n", line);
1885 errors++;
1886 }
1887 } else if (os_strcmp(buf, "basic_rates") == 0) {
1888 if (hostapd_parse_rates(&conf->basic_rates, pos)) {
1889 printf("Line %d: invalid rate list\n", line);
1890 errors++;
1891 }
1892 } else if (os_strcmp(buf, "preamble") == 0) {
1893 if (atoi(pos))
1894 conf->preamble = SHORT_PREAMBLE;
1895 else
1896 conf->preamble = LONG_PREAMBLE;
1897 } else if (os_strcmp(buf, "ignore_broadcast_ssid") == 0) {
1898 bss->ignore_broadcast_ssid = atoi(pos);
1899 } else if (os_strcmp(buf, "bridge_packets") == 0) {
1900 conf->bridge_packets = atoi(pos);
1901 } else if (os_strcmp(buf, "wep_default_key") == 0) {
1902 bss->ssid.wep.idx = atoi(pos);
1903 if (bss->ssid.wep.idx > 3) {
1904 printf("Invalid wep_default_key index %d\n",
1905 bss->ssid.wep.idx);
1906 errors++;
1907 }
1908 } else if (os_strcmp(buf, "wep_key0") == 0 ||
1909 os_strcmp(buf, "wep_key1") == 0 ||
1910 os_strcmp(buf, "wep_key2") == 0 ||
1911 os_strcmp(buf, "wep_key3") == 0) {
1912 if (hostapd_config_read_wep(&bss->ssid.wep,
1913 buf[7] - '0', pos)) {
1914 printf("Line %d: invalid WEP key '%s'\n",
1915 line, buf);
1916 errors++;
1917 }
1918 } else if (os_strcmp(buf, "dynamic_vlan") == 0) {
1919 bss->ssid.dynamic_vlan = atoi(pos);
1920 } else if (os_strcmp(buf, "vlan_file") == 0) {
1921 if (hostapd_config_read_vlan_file(bss, pos)) {
1922 printf("Line %d: failed to read VLAN file "
1923 "'%s'\n", line, pos);
1924 errors++;
1925 }
1926 #ifdef CONFIG_FULL_DYNAMIC_VLAN
1927 } else if (os_strcmp(buf, "vlan_tagged_interface") == 0) {
1928 bss->ssid.vlan_tagged_interface = os_strdup(pos);
1929 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
1930 } else if (os_strcmp(buf, "passive_scan_interval") == 0) {
1931 conf->passive_scan_interval = atoi(pos);
1932 } else if (os_strcmp(buf, "passive_scan_listen") == 0) {
1933 conf->passive_scan_listen = atoi(pos);
1934 } else if (os_strcmp(buf, "passive_scan_mode") == 0) {
1935 conf->passive_scan_mode = atoi(pos);
1936 } else if (os_strcmp(buf, "ap_table_max_size") == 0) {
1937 conf->ap_table_max_size = atoi(pos);
1938 } else if (os_strcmp(buf, "ap_table_expiration_time") == 0) {
1939 conf->ap_table_expiration_time = atoi(pos);
1940 } else if (os_strncmp(buf, "tx_queue_", 9) == 0) {
1941 if (hostapd_config_tx_queue(conf, buf, pos)) {
1942 printf("Line %d: invalid TX queue item\n",
1943 line);
1944 errors++;
1945 }
1946 } else if (os_strcmp(buf, "wme_enabled") == 0) {
1947 bss->wme_enabled = atoi(pos);
1948 } else if (os_strncmp(buf, "wme_ac_", 7) == 0) {
1949 if (hostapd_config_wme_ac(conf, buf, pos)) {
1950 printf("Line %d: invalid wme ac item\n",
1951 line);
1952 errors++;
1953 }
1954 } else if (os_strcmp(buf, "bss") == 0) {
1955 if (hostapd_config_bss(conf, pos)) {
1956 printf("Line %d: invalid bss item\n", line);
1957 errors++;
1958 }
1959 } else if (os_strcmp(buf, "bssid") == 0) {
1960 if (bss == conf->bss &&
1961 (!conf->driver || !conf->driver->init_bssid)) {
1962 printf("Line %d: bssid item not allowed "
1963 "for the default interface and this "
1964 "driver\n", line);
1965 errors++;
1966 } else if (hwaddr_aton(pos, bss->bssid)) {
1967 printf("Line %d: invalid bssid item\n", line);
1968 errors++;
1969 }
1970 #ifdef CONFIG_IEEE80211W
1971 } else if (os_strcmp(buf, "ieee80211w") == 0) {
1972 bss->ieee80211w = atoi(pos);
1973 } else if (os_strcmp(buf, "assoc_ping_timeout") == 0) {
1974 bss->assoc_ping_timeout = atoi(pos);
1975 if (bss->assoc_ping_timeout == 0) {
1976 printf("Line %d: invalid assoc_ping_timeout\n",
1977 line);
1978 errors++;
1979 }
1980 } else if (os_strcmp(buf, "assoc_ping_attempts") == 0) {
1981 bss->assoc_ping_timeout = atoi(pos);
1982 if (bss->assoc_ping_timeout == 0) {
1983 printf("Line %d: invalid assoc_ping_attempts "
1984 "(valid range: 1..255)\n",
1985 line);
1986 errors++;
1987 }
1988 #endif /* CONFIG_IEEE80211W */
1989 #ifdef CONFIG_IEEE80211N
1990 } else if (os_strcmp(buf, "ieee80211n") == 0) {
1991 conf->ieee80211n = atoi(pos);
1992 #endif /* CONFIG_IEEE80211N */
1993 } else if (os_strcmp(buf, "max_listen_interval") == 0) {
1994 bss->max_listen_interval = atoi(pos);
1995 } else if (os_strcmp(buf, "okc") == 0) {
1996 bss->okc = atoi(pos);
1997 } else {
1998 printf("Line %d: unknown configuration item '%s'\n",
1999 line, buf);
2000 errors++;
2001 }
2002 }
2003
2004 fclose(f);
2005
2006 if (bss->individual_wep_key_len == 0) {
2007 /* individual keys are not use; can use key idx0 for broadcast
2008 * keys */
2009 bss->broadcast_key_idx_min = 0;
2010 }
2011
2012 /* Select group cipher based on the enabled pairwise cipher suites */
2013 pairwise = 0;
2014 if (bss->wpa & 1)
2015 pairwise |= bss->wpa_pairwise;
2016 if (bss->wpa & 2) {
2017 if (bss->rsn_pairwise == 0)
2018 bss->rsn_pairwise = bss->wpa_pairwise;
2019 pairwise |= bss->rsn_pairwise;
2020 }
2021 if (pairwise & WPA_CIPHER_TKIP)
2022 bss->wpa_group = WPA_CIPHER_TKIP;
2023 else
2024 bss->wpa_group = WPA_CIPHER_CCMP;
2025
2026 for (i = 0; i < conf->num_bss; i++) {
2027 bss = &conf->bss[i];
2028
2029 bss->radius->auth_server = bss->radius->auth_servers;
2030 bss->radius->acct_server = bss->radius->acct_servers;
2031
2032 if (bss->wpa && bss->ieee802_1x) {
2033 bss->ssid.security_policy = SECURITY_WPA;
2034 } else if (bss->wpa) {
2035 bss->ssid.security_policy = SECURITY_WPA_PSK;
2036 } else if (bss->ieee802_1x) {
2037 bss->ssid.security_policy = SECURITY_IEEE_802_1X;
2038 bss->ssid.wep.default_len = bss->default_wep_key_len;
2039 } else if (bss->ssid.wep.keys_set)
2040 bss->ssid.security_policy = SECURITY_STATIC_WEP;
2041 else
2042 bss->ssid.security_policy = SECURITY_PLAINTEXT;
2043 }
2044
2045 if (hostapd_config_check(conf))
2046 errors++;
2047
2048 if (errors) {
2049 printf("%d errors found in configuration file '%s'\n",
2050 errors, fname);
2051 hostapd_config_free(conf);
2052 conf = NULL;
2053 }
2054
2055 return conf;
2056 }
2057
2058
2059 int hostapd_wep_key_cmp(struct hostapd_wep_keys *a, struct hostapd_wep_keys *b)
2060 {
2061 int i;
2062
2063 if (a->idx != b->idx || a->default_len != b->default_len)
2064 return 1;
2065 for (i = 0; i < NUM_WEP_KEYS; i++)
2066 if (a->len[i] != b->len[i] ||
2067 os_memcmp(a->key[i], b->key[i], a->len[i]) != 0)
2068 return 1;
2069 return 0;
2070 }
2071
2072
2073 static void hostapd_config_free_radius(struct hostapd_radius_server *servers,
2074 int num_servers)
2075 {
2076 int i;
2077
2078 for (i = 0; i < num_servers; i++) {
2079 os_free(servers[i].shared_secret);
2080 }
2081 os_free(servers);
2082 }
2083
2084
2085 static void hostapd_config_free_eap_user(struct hostapd_eap_user *user)
2086 {
2087 os_free(user->identity);
2088 os_free(user->password);
2089 os_free(user);
2090 }
2091
2092
2093 static void hostapd_config_free_wep(struct hostapd_wep_keys *keys)
2094 {
2095 int i;
2096 for (i = 0; i < NUM_WEP_KEYS; i++) {
2097 os_free(keys->key[i]);
2098 keys->key[i] = NULL;
2099 }
2100 }
2101
2102
2103 static void hostapd_config_free_bss(struct hostapd_bss_config *conf)
2104 {
2105 struct hostapd_wpa_psk *psk, *prev;
2106 struct hostapd_eap_user *user, *prev_user;
2107
2108 if (conf == NULL)
2109 return;
2110
2111 psk = conf->ssid.wpa_psk;
2112 while (psk) {
2113 prev = psk;
2114 psk = psk->next;
2115 os_free(prev);
2116 }
2117
2118 os_free(conf->ssid.wpa_passphrase);
2119 os_free(conf->ssid.wpa_psk_file);
2120 #ifdef CONFIG_FULL_DYNAMIC_VLAN
2121 os_free(conf->ssid.vlan_tagged_interface);
2122 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
2123
2124 user = conf->eap_user;
2125 while (user) {
2126 prev_user = user;
2127 user = user->next;
2128 hostapd_config_free_eap_user(prev_user);
2129 }
2130
2131 os_free(conf->dump_log_name);
2132 os_free(conf->eap_req_id_text);
2133 os_free(conf->accept_mac);
2134 os_free(conf->deny_mac);
2135 os_free(conf->nas_identifier);
2136 hostapd_config_free_radius(conf->radius->auth_servers,
2137 conf->radius->num_auth_servers);
2138 hostapd_config_free_radius(conf->radius->acct_servers,
2139 conf->radius->num_acct_servers);
2140 os_free(conf->rsn_preauth_interfaces);
2141 os_free(conf->ctrl_interface);
2142 os_free(conf->ca_cert);
2143 os_free(conf->server_cert);
2144 os_free(conf->private_key);
2145 os_free(conf->private_key_passwd);
2146 os_free(conf->dh_file);
2147 os_free(conf->pac_opaque_encr_key);
2148 os_free(conf->eap_fast_a_id);
2149 os_free(conf->eap_sim_db);
2150 os_free(conf->radius_server_clients);
2151 os_free(conf->test_socket);
2152 os_free(conf->radius);
2153 hostapd_config_free_vlan(conf);
2154 if (conf->ssid.dyn_vlan_keys) {
2155 struct hostapd_ssid *ssid = &conf->ssid;
2156 size_t i;
2157 for (i = 0; i <= ssid->max_dyn_vlan_keys; i++) {
2158 if (ssid->dyn_vlan_keys[i] == NULL)
2159 continue;
2160 hostapd_config_free_wep(ssid->dyn_vlan_keys[i]);
2161 os_free(ssid->dyn_vlan_keys[i]);
2162 }
2163 os_free(ssid->dyn_vlan_keys);
2164 ssid->dyn_vlan_keys = NULL;
2165 }
2166
2167 #ifdef CONFIG_IEEE80211R
2168 {
2169 struct ft_remote_r0kh *r0kh, *r0kh_prev;
2170 struct ft_remote_r1kh *r1kh, *r1kh_prev;
2171
2172 r0kh = conf->r0kh_list;
2173 conf->r0kh_list = NULL;
2174 while (r0kh) {
2175 r0kh_prev = r0kh;
2176 r0kh = r0kh->next;
2177 os_free(r0kh_prev);
2178 }
2179
2180 r1kh = conf->r1kh_list;
2181 conf->r1kh_list = NULL;
2182 while (r1kh) {
2183 r1kh_prev = r1kh;
2184 r1kh = r1kh->next;
2185 os_free(r1kh_prev);
2186 }
2187 }
2188 #endif /* CONFIG_IEEE80211R */
2189 }
2190
2191
2192 void hostapd_config_free(struct hostapd_config *conf)
2193 {
2194 size_t i;
2195
2196 if (conf == NULL)
2197 return;
2198
2199 for (i = 0; i < conf->num_bss; i++)
2200 hostapd_config_free_bss(&conf->bss[i]);
2201 os_free(conf->bss);
2202
2203 os_free(conf);
2204 }
2205
2206
2207 /* Perform a binary search for given MAC address from a pre-sorted list.
2208 * Returns 1 if address is in the list or 0 if not. */
2209 int hostapd_maclist_found(struct mac_acl_entry *list, int num_entries,
2210 const u8 *addr, int *vlan_id)
2211 {
2212 int start, end, middle, res;
2213
2214 start = 0;
2215 end = num_entries - 1;
2216
2217 while (start <= end) {
2218 middle = (start + end) / 2;
2219 res = os_memcmp(list[middle].addr, addr, ETH_ALEN);
2220 if (res == 0) {
2221 if (vlan_id)
2222 *vlan_id = list[middle].vlan_id;
2223 return 1;
2224 }
2225 if (res < 0)
2226 start = middle + 1;
2227 else
2228 end = middle - 1;
2229 }
2230
2231 return 0;
2232 }
2233
2234
2235 int hostapd_rate_found(int *list, int rate)
2236 {
2237 int i;
2238
2239 if (list == NULL)
2240 return 0;
2241
2242 for (i = 0; list[i] >= 0; i++)
2243 if (list[i] == rate)
2244 return 1;
2245
2246 return 0;
2247 }
2248
2249
2250 const char * hostapd_get_vlan_id_ifname(struct hostapd_vlan *vlan, int vlan_id)
2251 {
2252 struct hostapd_vlan *v = vlan;
2253 while (v) {
2254 if (v->vlan_id == vlan_id || v->vlan_id == VLAN_ID_WILDCARD)
2255 return v->ifname;
2256 v = v->next;
2257 }
2258 return NULL;
2259 }
2260
2261
2262 const u8 * hostapd_get_psk(const struct hostapd_bss_config *conf,
2263 const u8 *addr, const u8 *prev_psk)
2264 {
2265 struct hostapd_wpa_psk *psk;
2266 int next_ok = prev_psk == NULL;
2267
2268 for (psk = conf->ssid.wpa_psk; psk != NULL; psk = psk->next) {
2269 if (next_ok &&
2270 (psk->group || os_memcmp(psk->addr, addr, ETH_ALEN) == 0))
2271 return psk->psk;
2272
2273 if (psk->psk == prev_psk)
2274 next_ok = 1;
2275 }
2276
2277 return NULL;
2278 }
2279
2280
2281 const struct hostapd_eap_user *
2282 hostapd_get_eap_user(const struct hostapd_bss_config *conf, const u8 *identity,
2283 size_t identity_len, int phase2)
2284 {
2285 struct hostapd_eap_user *user = conf->eap_user;
2286
2287 while (user) {
2288 if (!phase2 && user->identity == NULL) {
2289 /* Wildcard match */
2290 break;
2291 }
2292
2293 if (user->phase2 == !!phase2 && user->wildcard_prefix &&
2294 identity_len >= user->identity_len &&
2295 os_memcmp(user->identity, identity, user->identity_len) ==
2296 0) {
2297 /* Wildcard prefix match */
2298 break;
2299 }
2300
2301 if (user->phase2 == !!phase2 &&
2302 user->identity_len == identity_len &&
2303 os_memcmp(user->identity, identity, identity_len) == 0)
2304 break;
2305 user = user->next;
2306 }
2307
2308 return user;
2309 }
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