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driver_ralink: Make sure assoc_{req,resp}_ies do not get double-freed
[thirdparty/hostap.git] / hostapd / config.c
CommitLineData
6fc6879b
JM		 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
32extern struct wpa_driver_ops *hostapd_drivers[];
33
34
35static 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
116static 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 */
134static 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
152static 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
183
184static struct hostapd_config * hostapd_config_defaults(void)
185{
186 struct hostapd_config *conf;
187 struct hostapd_bss_config *bss;
188 int i;
189 const int aCWmin = 15, aCWmax = 1024;
190 const struct hostapd_wme_ac_params ac_bk =
191 { aCWmin, aCWmax, 7, 0, 0 }; /* background traffic */
192 const struct hostapd_wme_ac_params ac_be =
193 { aCWmin, aCWmax, 3, 0, 0 }; /* best effort traffic */
194 const struct hostapd_wme_ac_params ac_vi = /* video traffic */
195 { aCWmin >> 1, aCWmin, 2, 3000 / 32, 1 };
196 const struct hostapd_wme_ac_params ac_vo = /* voice traffic */
197 { aCWmin >> 2, aCWmin >> 1, 2, 1500 / 32, 1 };
198
199 conf = os_zalloc(sizeof(*conf));
200 bss = os_zalloc(sizeof(*bss));
201 if (conf == NULL || bss == NULL) {
202 printf("Failed to allocate memory for configuration data.\n");
203 os_free(conf);
204 os_free(bss);
205 return NULL;
206 }
207
208 /* set default driver based on configuration */
209 conf->driver = hostapd_drivers[0];
210 if (conf->driver == NULL) {
211 printf("No driver wrappers registered!\n");
212 os_free(conf);
213 os_free(bss);
214 return NULL;
215 }
216
217 bss->radius = os_zalloc(sizeof(*bss->radius));
218 if (bss->radius == NULL) {
219 os_free(conf);
220 os_free(bss);
221 return NULL;
222 }
223
224 hostapd_config_defaults_bss(bss);
225
226 conf->num_bss = 1;
227 conf->bss = bss;
228
229 conf->beacon_int = 100;
230 conf->rts_threshold = -1; /* use driver default: 2347 */
231 conf->fragm_threshold = -1; /* user driver default: 2346 */
232 conf->send_probe_response = 1;
233 conf->bridge_packets = INTERNAL_BRIDGE_DO_NOT_CONTROL;
234
235 os_memcpy(conf->country, "US ", 3);
236
237 for (i = 0; i < NUM_TX_QUEUES; i++)
238 conf->tx_queue[i].aifs = -1; /* use hw default */
239
240 conf->wme_ac_params[0] = ac_be;
241 conf->wme_ac_params[1] = ac_bk;
242 conf->wme_ac_params[2] = ac_vi;
243 conf->wme_ac_params[3] = ac_vo;
244
245 return conf;
246}
247
248
249int hostapd_mac_comp(const void *a, const void *b)
250{
251 return os_memcmp(a, b, sizeof(macaddr));
252}
253
254
255int hostapd_mac_comp_empty(const void *a)
256{
257 macaddr empty = { 0 };
258 return os_memcmp(a, empty, sizeof(macaddr));
259}
260
261
262static int hostapd_config_read_maclist(const char *fname, macaddr **acl,
263 int *num)
264{
265 FILE *f;
266 char buf[128], *pos;
267 int line = 0;
268 u8 addr[ETH_ALEN];
269 macaddr *newacl;
270
271 if (!fname)
272 return 0;
273
274 f = fopen(fname, "r");
275 if (!f) {
276 printf("MAC list file '%s' not found.\n", fname);
277 return -1;
278 }
279
280 while (fgets(buf, sizeof(buf), f)) {
281 line++;
282
283 if (buf[0] == '#')
284 continue;
285 pos = buf;
286 while (*pos != '\0') {
287 if (*pos == '\n') {
288 *pos = '\0';
289 break;
290 }
291 pos++;
292 }
293 if (buf[0] == '\0')
294 continue;
295
296 if (hwaddr_aton(buf, addr)) {
297 printf("Invalid MAC address '%s' at line %d in '%s'\n",
298 buf, line, fname);
299 fclose(f);
300 return -1;
301 }
302
303 newacl = os_realloc(*acl, (*num + 1) * ETH_ALEN);
304 if (newacl == NULL) {
305 printf("MAC list reallocation failed\n");
306 fclose(f);
307 return -1;
308 }
309
310 *acl = newacl;
311 os_memcpy((*acl)[*num], addr, ETH_ALEN);
312 (*num)++;
313 }
314
315 fclose(f);
316
317 qsort(*acl, *num, sizeof(macaddr), hostapd_mac_comp);
318
319 return 0;
320}
321
322
323static int hostapd_config_read_wpa_psk(const char *fname,
324 struct hostapd_ssid *ssid)
325{
326 FILE *f;
327 char buf[128], *pos;
328 int line = 0, ret = 0, len, ok;
329 u8 addr[ETH_ALEN];
330 struct hostapd_wpa_psk *psk;
331
332 if (!fname)
333 return 0;
334
335 f = fopen(fname, "r");
336 if (!f) {
337 printf("WPA PSK file '%s' not found.\n", fname);
338 return -1;
339 }
340
341 while (fgets(buf, sizeof(buf), f)) {
342 line++;
343
344 if (buf[0] == '#')
345 continue;
346 pos = buf;
347 while (*pos != '\0') {
348 if (*pos == '\n') {
349 *pos = '\0';
350 break;
351 }
352 pos++;
353 }
354 if (buf[0] == '\0')
355 continue;
356
357 if (hwaddr_aton(buf, addr)) {
358 printf("Invalid MAC address '%s' on line %d in '%s'\n",
359 buf, line, fname);
360 ret = -1;
361 break;
362 }
363
364 psk = os_zalloc(sizeof(*psk));
365 if (psk == NULL) {
366 printf("WPA PSK allocation failed\n");
367 ret = -1;
368 break;
369 }
370 if (os_memcmp(addr, "\x00\x00\x00\x00\x00\x00", ETH_ALEN) == 0)
371 psk->group = 1;
372 else
373 os_memcpy(psk->addr, addr, ETH_ALEN);
374
375 pos = buf + 17;
376 if (pos == '\0') {
377 printf("No PSK on line %d in '%s'\n", line, fname);
378 os_free(psk);
379 ret = -1;
380 break;
381 }
382 pos++;
383
384 ok = 0;
385 len = os_strlen(pos);
386 if (len == 64 && hexstr2bin(pos, psk->psk, PMK_LEN) == 0)
387 ok = 1;
388 else if (len >= 8 && len < 64) {
389 pbkdf2_sha1(pos, ssid->ssid, ssid->ssid_len,
390 4096, psk->psk, PMK_LEN);
391 ok = 1;
392 }
393 if (!ok) {
394 printf("Invalid PSK '%s' on line %d in '%s'\n",
395 pos, line, fname);
396 os_free(psk);
397 ret = -1;
398 break;
399 }
400
401 psk->next = ssid->wpa_psk;
402 ssid->wpa_psk = psk;
403 }
404
405 fclose(f);
406
407 return ret;
408}
409
410
411int hostapd_setup_wpa_psk(struct hostapd_bss_config *conf)
412{
413 struct hostapd_ssid *ssid = &conf->ssid;
414
415 if (ssid->wpa_passphrase != NULL) {
416 if (ssid->wpa_psk != NULL) {
417 printf("Warning: both WPA PSK and passphrase set. "
418 "Using passphrase.\n");
419 os_free(ssid->wpa_psk);
420 }
421 ssid->wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk));
422 if (ssid->wpa_psk == NULL) {
423 printf("Unable to alloc space for PSK\n");
424 return -1;
425 }
426 wpa_hexdump_ascii(MSG_DEBUG, "SSID",
427 (u8 *) ssid->ssid, ssid->ssid_len);
428 wpa_hexdump_ascii(MSG_DEBUG, "PSK (ASCII passphrase)",
429 (u8 *) ssid->wpa_passphrase,
430 os_strlen(ssid->wpa_passphrase));
431 pbkdf2_sha1(ssid->wpa_passphrase,
432 ssid->ssid, ssid->ssid_len,
433 4096, ssid->wpa_psk->psk, PMK_LEN);
434 wpa_hexdump(MSG_DEBUG, "PSK (from passphrase)",
435 ssid->wpa_psk->psk, PMK_LEN);
436 ssid->wpa_psk->group = 1;
437
438 os_memset(ssid->wpa_passphrase, 0,
439 os_strlen(ssid->wpa_passphrase));
440 os_free(ssid->wpa_passphrase);
441 ssid->wpa_passphrase = NULL;
442 }
443
444 if (ssid->wpa_psk_file) {
445 if (hostapd_config_read_wpa_psk(ssid->wpa_psk_file,
446 &conf->ssid))
447 return -1;
448 }
449
450 return 0;
451}
452
453
454#ifdef EAP_SERVER
455static int hostapd_config_read_eap_user(const char *fname,
456 struct hostapd_bss_config *conf)
457{
458 FILE *f;
459 char buf[512], *pos, *start, *pos2;
460 int line = 0, ret = 0, num_methods;
461 struct hostapd_eap_user *user, *tail = NULL;
462
463 if (!fname)
464 return 0;
465
466 f = fopen(fname, "r");
467 if (!f) {
468 printf("EAP user file '%s' not found.\n", fname);
469 return -1;
470 }
471
472 /* Lines: "user" METHOD,METHOD2 "password" (password optional) */
473 while (fgets(buf, sizeof(buf), f)) {
474 line++;
475
476 if (buf[0] == '#')
477 continue;
478 pos = buf;
479 while (*pos != '\0') {
480 if (*pos == '\n') {
481 *pos = '\0';
482 break;
483 }
484 pos++;
485 }
486 if (buf[0] == '\0')
487 continue;
488
489 user = NULL;
490
491 if (buf[0] != '"' && buf[0] != '*') {
492 printf("Invalid EAP identity (no \" in start) on "
493 "line %d in '%s'\n", line, fname);
494 goto failed;
495 }
496
497 user = os_zalloc(sizeof(*user));
498 if (user == NULL) {
499 printf("EAP user allocation failed\n");
500 goto failed;
501 }
502 user->force_version = -1;
503
504 if (buf[0] == '*') {
505 pos = buf;
506 } else {
507 pos = buf + 1;
508 start = pos;
509 while (*pos != '"' && *pos != '\0')
510 pos++;
511 if (*pos == '\0') {
512 printf("Invalid EAP identity (no \" in end) on"
513 " line %d in '%s'\n", line, fname);
514 goto failed;
515 }
516
517 user->identity = os_malloc(pos - start);
518 if (user->identity == NULL) {
519 printf("Failed to allocate memory for EAP "
520 "identity\n");
521 goto failed;
522 }
523 os_memcpy(user->identity, start, pos - start);
524 user->identity_len = pos - start;
525
526 if (pos[0] == '"' && pos[1] == '*') {
527 user->wildcard_prefix = 1;
528 pos++;
529 }
530 }
531 pos++;
532 while (*pos == ' ' || *pos == '\t')
533 pos++;
534
535 if (*pos == '\0') {
536 printf("No EAP method on line %d in '%s'\n",
537 line, fname);
538 goto failed;
539 }
540
541 start = pos;
542 while (*pos != ' ' && *pos != '\t' && *pos != '\0')
543 pos++;
544 if (*pos == '\0') {
545 pos = NULL;
546 } else {
547 *pos = '\0';
548 pos++;
549 }
550 num_methods = 0;
551 while (*start) {
552 char *pos3 = os_strchr(start, ',');
553 if (pos3) {
554 *pos3++ = '\0';
555 }
556 user->methods[num_methods].method =
557 eap_server_get_type(
558 start,
559 &user->methods[num_methods].vendor);
560 if (user->methods[num_methods].vendor ==
561 EAP_VENDOR_IETF &&
562 user->methods[num_methods].method == EAP_TYPE_NONE)
563 {
564 if (os_strcmp(start, "TTLS-PAP") == 0) {
565 user->ttls_auth |= EAP_TTLS_AUTH_PAP;
566 goto skip_eap;
567 }
568 if (os_strcmp(start, "TTLS-CHAP") == 0) {
569 user->ttls_auth |= EAP_TTLS_AUTH_CHAP;
570 goto skip_eap;
571 }
572 if (os_strcmp(start, "TTLS-MSCHAP") == 0) {
573 user->ttls_auth |=
574 EAP_TTLS_AUTH_MSCHAP;
575 goto skip_eap;
576 }
577 if (os_strcmp(start, "TTLS-MSCHAPV2") == 0) {
578 user->ttls_auth |=
579 EAP_TTLS_AUTH_MSCHAPV2;
580 goto skip_eap;
581 }
582 printf("Unsupported EAP type '%s' on line %d "
583 "in '%s'\n", start, line, fname);
584 goto failed;
585 }
586
587 num_methods++;
588 if (num_methods >= EAP_USER_MAX_METHODS)
589 break;
590 skip_eap:
591 if (pos3 == NULL)
592 break;
593 start = pos3;
594 }
595 if (num_methods == 0 && user->ttls_auth == 0) {
596 printf("No EAP types configured on line %d in '%s'\n",
597 line, fname);
598 goto failed;
599 }
600
601 if (pos == NULL)
602 goto done;
603
604 while (*pos == ' ' || *pos == '\t')
605 pos++;
606 if (*pos == '\0')
607 goto done;
608
609 if (os_strncmp(pos, "[ver=0]", 7) == 0) {
610 user->force_version = 0;
611 goto done;
612 }
613
614 if (os_strncmp(pos, "[ver=1]", 7) == 0) {
615 user->force_version = 1;
616 goto done;
617 }
618
619 if (os_strncmp(pos, "[2]", 3) == 0) {
620 user->phase2 = 1;
621 goto done;
622 }
623
624 if (*pos == '"') {
625 pos++;
626 start = pos;
627 while (*pos != '"' && *pos != '\0')
628 pos++;
629 if (*pos == '\0') {
630 printf("Invalid EAP password (no \" in end) "
631 "on line %d in '%s'\n", line, fname);
632 goto failed;
633 }
634
635 user->password = os_malloc(pos - start);
636 if (user->password == NULL) {
637 printf("Failed to allocate memory for EAP "
638 "password\n");
639 goto failed;
640 }
641 os_memcpy(user->password, start, pos - start);
642 user->password_len = pos - start;
643
644 pos++;
645 } else if (os_strncmp(pos, "hash:", 5) == 0) {
646 pos += 5;
647 pos2 = pos;
648 while (*pos2 != '\0' && *pos2 != ' ' &&
649 *pos2 != '\t' && *pos2 != '#')
650 pos2++;
651 if (pos2 - pos != 32) {
652 printf("Invalid password hash on line %d in "
653 "'%s'\n", line, fname);
654 goto failed;
655 }
656 user->password = os_malloc(16);
657 if (user->password == NULL) {
658 printf("Failed to allocate memory for EAP "
659 "password hash\n");
660 goto failed;
661 }
662 if (hexstr2bin(pos, user->password, 16) < 0) {
663 printf("Invalid hash password on line %d in "
664 "'%s'\n", line, fname);
665 goto failed;
666 }
667 user->password_len = 16;
668 user->password_hash = 1;
669 pos = pos2;
670 } else {
671 pos2 = pos;
672 while (*pos2 != '\0' && *pos2 != ' ' &&
673 *pos2 != '\t' && *pos2 != '#')
674 pos2++;
675 if ((pos2 - pos) & 1) {
676 printf("Invalid hex password on line %d in "
677 "'%s'\n", line, fname);
678 goto failed;
679 }
680 user->password = os_malloc((pos2 - pos) / 2);
681 if (user->password == NULL) {
682 printf("Failed to allocate memory for EAP "
683 "password\n");
684 goto failed;
685 }
686 if (hexstr2bin(pos, user->password,
687 (pos2 - pos) / 2) < 0) {
688 printf("Invalid hex password on line %d in "
689 "'%s'\n", line, fname);
690 goto failed;
691 }
692 user->password_len = (pos2 - pos) / 2;
693 pos = pos2;
694 }
695
696 while (*pos == ' ' || *pos == '\t')
697 pos++;
698 if (os_strncmp(pos, "[2]", 3) == 0) {
699 user->phase2 = 1;
700 }
701
702 done:
703 if (tail == NULL) {
704 tail = conf->eap_user = user;
705 } else {
706 tail->next = user;
707 tail = user;
708 }
709 continue;
710
711 failed:
712 if (user) {
713 os_free(user->password);
714 os_free(user->identity);
715 os_free(user);
716 }
717 ret = -1;
718 break;
719 }
720
721 fclose(f);
722
723 return ret;
724}
725#endif /* EAP_SERVER */
726
727
728static int
729hostapd_config_read_radius_addr(struct hostapd_radius_server **server,
730 int *num_server, const char *val, int def_port,
731 struct hostapd_radius_server **curr_serv)
732{
733 struct hostapd_radius_server *nserv;
734 int ret;
735 static int server_index = 1;
736
737 nserv = os_realloc(*server, (*num_server + 1) * sizeof(*nserv));
738 if (nserv == NULL)
739 return -1;
740
741 *server = nserv;
742 nserv = &nserv[*num_server];
743 (*num_server)++;
744 (*curr_serv) = nserv;
745
746 os_memset(nserv, 0, sizeof(*nserv));
747 nserv->port = def_port;
748 ret = hostapd_parse_ip_addr(val, &nserv->addr);
749 nserv->index = server_index++;
750
751 return ret;
752}
753
754
755static int hostapd_config_parse_key_mgmt(int line, const char *value)
756{
757 int val = 0, last;
758 char *start, *end, *buf;
759
760 buf = os_strdup(value);
761 if (buf == NULL)
762 return -1;
763 start = buf;
764
765 while (start != '\0') {
766 while (*start == ' ' || *start == '\t')
767 start++;
768 if (*start == '\0')
769 break;
770 end = start;
771 while (*end != ' ' && *end != '\t' && *end != '\0')
772 end++;
773 last = *end == '\0';
774 *end = '\0';
775 if (os_strcmp(start, "WPA-PSK") == 0)
776 val |= WPA_KEY_MGMT_PSK;
777 else if (os_strcmp(start, "WPA-EAP") == 0)
778 val |= WPA_KEY_MGMT_IEEE8021X;
779#ifdef CONFIG_IEEE80211R
780 else if (os_strcmp(start, "FT-PSK") == 0)
781 val |= WPA_KEY_MGMT_FT_PSK;
782 else if (os_strcmp(start, "FT-EAP") == 0)
783 val |= WPA_KEY_MGMT_FT_IEEE8021X;
784#endif /* CONFIG_IEEE80211R */
785 else {
786 printf("Line %d: invalid key_mgmt '%s'\n",
787 line, start);
788 os_free(buf);
789 return -1;
790 }
791
792 if (last)
793 break;
794 start = end + 1;
795 }
796
797 os_free(buf);
798 if (val == 0) {
799 printf("Line %d: no key_mgmt values configured.\n", line);
800 return -1;
801 }
802
803 return val;
804}
805
806
807static int hostapd_config_parse_cipher(int line, const char *value)
808{
809 int val = 0, last;
810 char *start, *end, *buf;
811
812 buf = os_strdup(value);
813 if (buf == NULL)
814 return -1;
815 start = buf;
816
817 while (start != '\0') {
818 while (*start == ' ' || *start == '\t')
819 start++;
820 if (*start == '\0')
821 break;
822 end = start;
823 while (*end != ' ' && *end != '\t' && *end != '\0')
824 end++;
825 last = *end == '\0';
826 *end = '\0';
827 if (os_strcmp(start, "CCMP") == 0)
828 val |= WPA_CIPHER_CCMP;
829 else if (os_strcmp(start, "TKIP") == 0)
830 val |= WPA_CIPHER_TKIP;
831 else if (os_strcmp(start, "WEP104") == 0)
832 val |= WPA_CIPHER_WEP104;
833 else if (os_strcmp(start, "WEP40") == 0)
834 val |= WPA_CIPHER_WEP40;
835 else if (os_strcmp(start, "NONE") == 0)
836 val |= WPA_CIPHER_NONE;
837 else {
838 printf("Line %d: invalid cipher '%s'.", line, start);
839 os_free(buf);
840 return -1;
841 }
842
843 if (last)
844 break;
845 start = end + 1;
846 }
847 os_free(buf);
848
849 if (val == 0) {
850 printf("Line %d: no cipher values configured.", line);
851 return -1;
852 }
853 return val;
854}
855
856
857static int hostapd_config_check_bss(struct hostapd_bss_config *bss,
858 struct hostapd_config *conf)
859{
860 if (bss->ieee802_1x && !bss->eap_server &&
861 !bss->radius->auth_servers) {
862 printf("Invalid IEEE 802.1X configuration (no EAP "
863 "authenticator configured).\n");
864 return -1;
865 }
866
867 if (bss->wpa && (bss->wpa_key_mgmt & WPA_KEY_MGMT_PSK) &&
868 bss->ssid.wpa_psk == NULL && bss->ssid.wpa_passphrase == NULL &&
869 bss->ssid.wpa_psk_file == NULL) {
870 printf("WPA-PSK enabled, but PSK or passphrase is not "
871 "configured.\n");
872 return -1;
873 }
874
875 if (hostapd_mac_comp_empty(bss->bssid) != 0) {
876 size_t i;
877
878 for (i = 0; i < conf->num_bss; i++) {
879 if ((&conf->bss[i] != bss) &&
880 (hostapd_mac_comp(conf->bss[i].bssid,
881 bss->bssid) == 0)) {
882 printf("Duplicate BSSID " MACSTR
883 " on interface '%s' and '%s'.\n",
884 MAC2STR(bss->bssid),
885 conf->bss[i].iface, bss->iface);
886 return -1;
887 }
888 }
889 }
890
891#ifdef CONFIG_IEEE80211R
892 if ((bss->wpa_key_mgmt &
893 (WPA_KEY_MGMT_FT_PSK | WPA_KEY_MGMT_FT_IEEE8021X)) &&
894 (bss->nas_identifier == NULL ||
895 os_strlen(bss->nas_identifier) < 1 ||
896 os_strlen(bss->nas_identifier) > FT_R0KH_ID_MAX_LEN)) {
897 printf("FT (IEEE 802.11r) requires nas_identifier to be "
898 "configured as a 1..48 octet string\n");
899 return -1;
900 }
901#endif /* CONFIG_IEEE80211R */
902
903 return 0;
904}
905
906
907static int hostapd_config_check(struct hostapd_config *conf)
908{
909 size_t i;
910
911 for (i = 0; i < conf->num_bss; i++) {
912 if (hostapd_config_check_bss(&conf->bss[i], conf))
913 return -1;
914 }
915
916 return 0;
917}
918
919
920static int hostapd_config_read_wep(struct hostapd_wep_keys *wep, int keyidx,
921 char *val)
922{
923 size_t len = os_strlen(val);
924
925 if (keyidx < 0 || keyidx > 3 || wep->key[keyidx] != NULL)
926 return -1;
927
928 if (val[0] == '"') {
929 if (len < 2 || val[len - 1] != '"')
930 return -1;
931 len -= 2;
932 wep->key[keyidx] = os_malloc(len);
933 if (wep->key[keyidx] == NULL)
934 return -1;
935 os_memcpy(wep->key[keyidx], val + 1, len);
936 wep->len[keyidx] = len;
937 } else {
938 if (len & 1)
939 return -1;
940 len /= 2;
941 wep->key[keyidx] = os_malloc(len);
942 if (wep->key[keyidx] == NULL)
943 return -1;
944 wep->len[keyidx] = len;
945 if (hexstr2bin(val, wep->key[keyidx], len) < 0)
946 return -1;
947 }
948
949 wep->keys_set++;
950
951 return 0;
952}
953
954
955static int hostapd_parse_rates(int **rate_list, char *val)
956{
957 int *list;
958 int count;
959 char *pos, *end;
960
961 os_free(*rate_list);
962 *rate_list = NULL;
963
964 pos = val;
965 count = 0;
966 while (*pos != '\0') {
967 if (*pos == ' ')
968 count++;
969 pos++;
970 }
971
972 list = os_malloc(sizeof(int) * (count + 2));
973 if (list == NULL)
974 return -1;
975 pos = val;
976 count = 0;
977 while (*pos != '\0') {
978 end = os_strchr(pos, ' ');
979 if (end)
980 *end = '\0';
981
982 list[count++] = atoi(pos);
983 if (!end)
984 break;
985 pos = end + 1;
986 }
987 list[count] = -1;
988
989 *rate_list = list;
990 return 0;
991}
992
993
994static int hostapd_config_bss(struct hostapd_config *conf, const char *ifname)
995{
996 struct hostapd_bss_config *bss;
997
998 if (*ifname == '\0')
999 return -1;
1000
1001 bss = os_realloc(conf->bss, (conf->num_bss + 1) *
1002 sizeof(struct hostapd_bss_config));
1003 if (bss == NULL) {
1004 printf("Failed to allocate memory for multi-BSS entry\n");
1005 return -1;
1006 }
1007 conf->bss = bss;
1008
1009 bss = &(conf->bss[conf->num_bss]);
1010 os_memset(bss, 0, sizeof(*bss));
1011 bss->radius = os_zalloc(sizeof(*bss->radius));
1012 if (bss->radius == NULL) {
1013 printf("Failed to allocate memory for multi-BSS RADIUS "
1014 "data\n");
1015 return -1;
1016 }
1017
1018 conf->num_bss++;
1019 conf->last_bss = bss;
1020
1021 hostapd_config_defaults_bss(bss);
1022 os_strlcpy(bss->iface, ifname, sizeof(bss->iface));
1023 os_memcpy(bss->ssid.vlan, bss->iface, IFNAMSIZ + 1);
1024
1025 return 0;
1026}
1027
1028
1029static int valid_cw(int cw)
1030{
1031 return (cw == 1 || cw == 3 || cw == 7 || cw == 15 || cw == 31 ||
1032 cw == 63 || cw == 127 || cw == 255 || cw == 511 || cw == 1023);
1033}
1034
1035
1036enum {
1037 IEEE80211_TX_QUEUE_DATA0 = 0, /* used for EDCA AC_VO data */
1038 IEEE80211_TX_QUEUE_DATA1 = 1, /* used for EDCA AC_VI data */
1039 IEEE80211_TX_QUEUE_DATA2 = 2, /* used for EDCA AC_BE data */
1040 IEEE80211_TX_QUEUE_DATA3 = 3, /* used for EDCA AC_BK data */
1041 IEEE80211_TX_QUEUE_DATA4 = 4,
1042 IEEE80211_TX_QUEUE_AFTER_BEACON = 6,
1043 IEEE80211_TX_QUEUE_BEACON = 7
1044};
1045
1046static int hostapd_config_tx_queue(struct hostapd_config *conf, char *name,
1047 char *val)
1048{
1049 int num;
1050 char *pos;
1051 struct hostapd_tx_queue_params *queue;
1052
1053 /* skip 'tx_queue_' prefix */
1054 pos = name + 9;
1055 if (os_strncmp(pos, "data", 4) == 0 &&
1056 pos[4] >= '0' && pos[4] <= '9' && pos[5] == '_') {
1057 num = pos[4] - '0';
1058 pos += 6;
1059 } else if (os_strncmp(pos, "after_beacon_", 13) == 0) {
1060 num = IEEE80211_TX_QUEUE_AFTER_BEACON;
1061 pos += 13;
1062 } else if (os_strncmp(pos, "beacon_", 7) == 0) {
1063 num = IEEE80211_TX_QUEUE_BEACON;
1064 pos += 7;
1065 } else {
1066 printf("Unknown tx_queue name '%s'\n", pos);
1067 return -1;
1068 }
1069
1070 queue = &conf->tx_queue[num];
1071
1072 if (os_strcmp(pos, "aifs") == 0) {
1073 queue->aifs = atoi(val);
1074 if (queue->aifs < 0 || queue->aifs > 255) {
1075 printf("Invalid AIFS value %d\n", queue->aifs);
1076 return -1;
1077 }
1078 } else if (os_strcmp(pos, "cwmin") == 0) {
1079 queue->cwmin = atoi(val);
1080 if (!valid_cw(queue->cwmin)) {
1081 printf("Invalid cwMin value %d\n", queue->cwmin);
1082 return -1;
1083 }
1084 } else if (os_strcmp(pos, "cwmax") == 0) {
1085 queue->cwmax = atoi(val);
1086 if (!valid_cw(queue->cwmax)) {
1087 printf("Invalid cwMax value %d\n", queue->cwmax);
1088 return -1;
1089 }
1090 } else if (os_strcmp(pos, "burst") == 0) {
1091 queue->burst = hostapd_config_read_int10(val);
1092 } else {
1093 printf("Unknown tx_queue field '%s'\n", pos);
1094 return -1;
1095 }
1096
1097 queue->configured = 1;
1098
1099 return 0;
1100}
1101
1102
1103static int hostapd_config_wme_ac(struct hostapd_config *conf, char *name,
1104 char *val)
1105{
1106 int num, v;
1107 char *pos;
1108 struct hostapd_wme_ac_params *ac;
1109
1110 /* skip 'wme_ac_' prefix */
1111 pos = name + 7;
1112 if (os_strncmp(pos, "be_", 3) == 0) {
1113 num = 0;
1114 pos += 3;
1115 } else if (os_strncmp(pos, "bk_", 3) == 0) {
1116 num = 1;
1117 pos += 3;
1118 } else if (os_strncmp(pos, "vi_", 3) == 0) {
1119 num = 2;
1120 pos += 3;
1121 } else if (os_strncmp(pos, "vo_", 3) == 0) {
1122 num = 3;
1123 pos += 3;
1124 } else {
1125 printf("Unknown wme name '%s'\n", pos);
1126 return -1;
1127 }
1128
1129 ac = &conf->wme_ac_params[num];
1130
1131 if (os_strcmp(pos, "aifs") == 0) {
1132 v = atoi(val);
1133 if (v < 1 || v > 255) {
1134 printf("Invalid AIFS value %d\n", v);
1135 return -1;
1136 }
1137 ac->aifs = v;
1138 } else if (os_strcmp(pos, "cwmin") == 0) {
1139 v = atoi(val);
1140 if (v < 0 || v > 12) {
1141 printf("Invalid cwMin value %d\n", v);
1142 return -1;
1143 }
1144 ac->cwmin = v;
1145 } else if (os_strcmp(pos, "cwmax") == 0) {
1146 v = atoi(val);
1147 if (v < 0 || v > 12) {
1148 printf("Invalid cwMax value %d\n", v);
1149 return -1;
1150 }
1151 ac->cwmax = v;
1152 } else if (os_strcmp(pos, "txop_limit") == 0) {
1153 v = atoi(val);
1154 if (v < 0 || v > 0xffff) {
1155 printf("Invalid txop value %d\n", v);
1156 return -1;
1157 }
1158 ac->txopLimit = v;
1159 } else if (os_strcmp(pos, "acm") == 0) {
1160 v = atoi(val);
1161 if (v < 0 || v > 1) {
1162 printf("Invalid acm value %d\n", v);
1163 return -1;
1164 }
1165 ac->admission_control_mandatory = v;
1166 } else {
1167 printf("Unknown wme_ac_ field '%s'\n", pos);
1168 return -1;
1169 }
1170
1171 return 0;
1172}
1173
1174
1175#ifdef CONFIG_IEEE80211R
1176static int add_r0kh(struct hostapd_bss_config *bss, char *value)
1177{
1178 struct ft_remote_r0kh *r0kh;
1179 char *pos, *next;
1180
1181 r0kh = os_zalloc(sizeof(*r0kh));
1182 if (r0kh == NULL)
1183 return -1;
1184
1185 /* 02:01:02:03:04:05 a.example.com 000102030405060708090a0b0c0d0e0f */
1186 pos = value;
1187 next = os_strchr(pos, ' ');
1188 if (next)
1189 *next++ = '\0';
1190 if (next == NULL || hwaddr_aton(pos, r0kh->addr)) {
1191 printf("Invalid R0KH MAC address: '%s'\n", pos);
1192 os_free(r0kh);
1193 return -1;
1194 }
1195
1196 pos = next;
1197 next = os_strchr(pos, ' ');
1198 if (next)
1199 *next++ = '\0';
1200 if (next == NULL || next - pos > FT_R0KH_ID_MAX_LEN) {
1201 printf("Invalid R0KH-ID: '%s'\n", pos);
1202 os_free(r0kh);
1203 return -1;
1204 }
1205 r0kh->id_len = next - pos - 1;
1206 os_memcpy(r0kh->id, pos, r0kh->id_len);
1207
1208 pos = next;
1209 if (hexstr2bin(pos, r0kh->key, sizeof(r0kh->key))) {
1210 printf("Invalid R0KH key: '%s'\n", pos);
1211 os_free(r0kh);
1212 return -1;
1213 }
1214
1215 r0kh->next = bss->r0kh_list;
1216 bss->r0kh_list = r0kh;
1217
1218 return 0;
1219}
1220
1221
1222static int add_r1kh(struct hostapd_bss_config *bss, char *value)
1223{
1224 struct ft_remote_r1kh *r1kh;
1225 char *pos, *next;
1226
1227 r1kh = os_zalloc(sizeof(*r1kh));
1228 if (r1kh == NULL)
1229 return -1;
1230
1231 /* 02:01:02:03:04:05 02:01:02:03:04:05
1232 * 000102030405060708090a0b0c0d0e0f */
1233 pos = value;
1234 next = os_strchr(pos, ' ');
1235 if (next)
1236 *next++ = '\0';
1237 if (next == NULL || hwaddr_aton(pos, r1kh->addr)) {
1238 printf("Invalid R1KH MAC address: '%s'\n", pos);
1239 os_free(r1kh);
1240 return -1;
1241 }
1242
1243 pos = next;
1244 next = os_strchr(pos, ' ');
1245 if (next)
1246 *next++ = '\0';
1247 if (next == NULL || hwaddr_aton(pos, r1kh->id)) {
1248 printf("Invalid R1KH-ID: '%s'\n", pos);
1249 os_free(r1kh);
1250 return -1;
1251 }
1252
1253 pos = next;
1254 if (hexstr2bin(pos, r1kh->key, sizeof(r1kh->key))) {
1255 printf("Invalid R1KH key: '%s'\n", pos);
1256 os_free(r1kh);
1257 return -1;
1258 }
1259
1260 r1kh->next = bss->r1kh_list;
1261 bss->r1kh_list = r1kh;
1262
1263 return 0;
1264}
1265#endif /* CONFIG_IEEE80211R */
1266
1267
1268struct hostapd_config * hostapd_config_read(const char *fname)
1269{
1270 struct hostapd_config *conf;
1271 struct hostapd_bss_config *bss;
1272 FILE *f;
1273 char buf[256], *pos;
1274 int line = 0;
1275 int errors = 0;
1276 int pairwise;
1277 size_t i;
1278
1279 f = fopen(fname, "r");
1280 if (f == NULL) {
1281 printf("Could not open configuration file '%s' for reading.\n",
1282 fname);
1283 return NULL;
1284 }
1285
1286 conf = hostapd_config_defaults();
1287 if (conf == NULL) {
1288 fclose(f);
1289 return NULL;
1290 }
1291 bss = conf->last_bss = conf->bss;
1292
1293 while (fgets(buf, sizeof(buf), f)) {
1294 bss = conf->last_bss;
1295 line++;
1296
1297 if (buf[0] == '#')
1298 continue;
1299 pos = buf;
1300 while (*pos != '\0') {
1301 if (*pos == '\n') {
1302 *pos = '\0';
1303 break;
1304 }
1305 pos++;
1306 }
1307 if (buf[0] == '\0')
1308 continue;
1309
1310 pos = os_strchr(buf, '=');
1311 if (pos == NULL) {
1312 printf("Line %d: invalid line '%s'\n", line, buf);
1313 errors++;
1314 continue;
1315 }
1316 *pos = '\0';
1317 pos++;
1318
1319 if (os_strcmp(buf, "interface") == 0) {
1320 os_strlcpy(conf->bss[0].iface, pos,
1321 sizeof(conf->bss[0].iface));
1322 } else if (os_strcmp(buf, "bridge") == 0) {
1323 os_strlcpy(bss->bridge, pos, sizeof(bss->bridge));
1324 } else if (os_strcmp(buf, "driver") == 0) {
1325 int i;
1326 /* clear to get error below if setting is invalid */
1327 conf->driver = NULL;
1328 for (i = 0; hostapd_drivers[i]; i++) {
1329 if (os_strcmp(pos, hostapd_drivers[i]->name) ==
1330 0) {
1331 conf->driver = hostapd_drivers[i];
1332 break;
1333 }
1334 }
1335 if (conf->driver == NULL) {
1336 printf("Line %d: invalid/unknown driver "
1337 "'%s'\n", line, pos);
1338 errors++;
1339 }
1340 } else if (os_strcmp(buf, "debug") == 0) {
1341 wpa_printf(MSG_DEBUG, "Line %d: DEPRECATED: 'debug' "
1342 "configuration variable is not used "
1343 "anymore", line);
1344 } else if (os_strcmp(buf, "logger_syslog_level") == 0) {
1345 bss->logger_syslog_level = atoi(pos);
1346 } else if (os_strcmp(buf, "logger_stdout_level") == 0) {
1347 bss->logger_stdout_level = atoi(pos);
1348 } else if (os_strcmp(buf, "logger_syslog") == 0) {
1349 bss->logger_syslog = atoi(pos);
1350 } else if (os_strcmp(buf, "logger_stdout") == 0) {
1351 bss->logger_stdout = atoi(pos);
1352 } else if (os_strcmp(buf, "dump_file") == 0) {
1353 bss->dump_log_name = os_strdup(pos);
1354 } else if (os_strcmp(buf, "ssid") == 0) {
1355 bss->ssid.ssid_len = os_strlen(pos);
1356 if (bss->ssid.ssid_len > HOSTAPD_MAX_SSID_LEN ||
1357 bss->ssid.ssid_len < 1) {
1358 printf("Line %d: invalid SSID '%s'\n", line,
1359 pos);
1360 errors++;
1361 } else {
1362 os_memcpy(bss->ssid.ssid, pos,
1363 bss->ssid.ssid_len);
1364 bss->ssid.ssid[bss->ssid.ssid_len] = '\0';
1365 bss->ssid.ssid_set = 1;
1366 }
1367 } else if (os_strcmp(buf, "macaddr_acl") == 0) {
1368 bss->macaddr_acl = atoi(pos);
1369 if (bss->macaddr_acl != ACCEPT_UNLESS_DENIED &&
1370 bss->macaddr_acl != DENY_UNLESS_ACCEPTED &&
1371 bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH) {
1372 printf("Line %d: unknown macaddr_acl %d\n",
1373 line, bss->macaddr_acl);
1374 }
1375 } else if (os_strcmp(buf, "accept_mac_file") == 0) {
1376 if (hostapd_config_read_maclist(pos, &bss->accept_mac,
1377 &bss->num_accept_mac))
1378 {
1379 printf("Line %d: Failed to read "
1380 "accept_mac_file '%s'\n",
1381 line, pos);
1382 errors++;
1383 }
1384 } else if (os_strcmp(buf, "deny_mac_file") == 0) {
1385 if (hostapd_config_read_maclist(pos, &bss->deny_mac,
1386 &bss->num_deny_mac))
1387 {
1388 printf("Line %d: Failed to read "
1389 "deny_mac_file '%s'\n",
1390 line, pos);
1391 errors++;
1392 }
1393 } else if (os_strcmp(buf, "ap_max_inactivity") == 0) {
1394 bss->ap_max_inactivity = atoi(pos);
1395 } else if (os_strcmp(buf, "country_code") == 0) {
1396 os_memcpy(conf->country, pos, 2);
1397 /* FIX: make this configurable */
1398 conf->country[2] = ' ';
1399 } else if (os_strcmp(buf, "ieee80211d") == 0) {
1400 conf->ieee80211d = atoi(pos);
1401 } else if (os_strcmp(buf, "ieee80211h") == 0) {
1402 conf->ieee80211h = atoi(pos);
1403 } else if (os_strcmp(buf, "assoc_ap_addr") == 0) {
1404 if (hwaddr_aton(pos, bss->assoc_ap_addr)) {
1405 printf("Line %d: invalid MAC address '%s'\n",
1406 line, pos);
1407 errors++;
1408 }
1409 bss->assoc_ap = 1;
1410 } else if (os_strcmp(buf, "ieee8021x") == 0) {
1411 bss->ieee802_1x = atoi(pos);
1412 } else if (os_strcmp(buf, "eapol_version") == 0) {
1413 bss->eapol_version = atoi(pos);
1414 if (bss->eapol_version < 1 ||
1415 bss->eapol_version > 2) {
1416 printf("Line %d: invalid EAPOL "
1417 "version (%d): '%s'.\n",
1418 line, bss->eapol_version, pos);
1419 errors++;
1420 } else
1421 wpa_printf(MSG_DEBUG, "eapol_version=%d",
1422 bss->eapol_version);
1423#ifdef EAP_SERVER
1424 } else if (os_strcmp(buf, "eap_authenticator") == 0) {
1425 bss->eap_server = atoi(pos);
1426 printf("Line %d: obsolete eap_authenticator used; "
1427 "this has been renamed to eap_server\n", line);
1428 } else if (os_strcmp(buf, "eap_server") == 0) {
1429 bss->eap_server = atoi(pos);
1430 } else if (os_strcmp(buf, "eap_user_file") == 0) {
1431 if (hostapd_config_read_eap_user(pos, bss))
1432 errors++;
1433 } else if (os_strcmp(buf, "ca_cert") == 0) {
1434 os_free(bss->ca_cert);
1435 bss->ca_cert = os_strdup(pos);
1436 } else if (os_strcmp(buf, "server_cert") == 0) {
1437 os_free(bss->server_cert);
1438 bss->server_cert = os_strdup(pos);
1439 } else if (os_strcmp(buf, "private_key") == 0) {
1440 os_free(bss->private_key);
1441 bss->private_key = os_strdup(pos);
1442 } else if (os_strcmp(buf, "private_key_passwd") == 0) {
1443 os_free(bss->private_key_passwd);
1444 bss->private_key_passwd = os_strdup(pos);
1445 } else if (os_strcmp(buf, "check_crl") == 0) {
1446 bss->check_crl = atoi(pos);
1447 } else if (os_strcmp(buf, "dh_file") == 0) {
1448 os_free(bss->dh_file);
1449 bss->dh_file = os_strdup(pos);
1450#ifdef EAP_FAST
1451 } else if (os_strcmp(buf, "pac_opaque_encr_key") == 0) {
1452 os_free(bss->pac_opaque_encr_key);
1453 bss->pac_opaque_encr_key = os_malloc(16);
1454 if (bss->pac_opaque_encr_key == NULL) {
1455 printf("Line %d: No memory for "
1456 "pac_opque_encr_key\n", line);
1457 errors++;
1458 } else if (hexstr2bin(pos, bss->pac_opaque_encr_key,
1459 16)) {
1460 printf("Line %d: Invalid pac_opque_encr_key\n",
1461 line);
1462 errors++;
1463 }
1464 } else if (os_strcmp(buf, "eap_fast_a_id") == 0) {
1465 os_free(bss->eap_fast_a_id);
1466 bss->eap_fast_a_id = os_strdup(pos);
1467#endif /* EAP_FAST */
1468#ifdef EAP_SIM
1469 } else if (os_strcmp(buf, "eap_sim_db") == 0) {
1470 os_free(bss->eap_sim_db);
1471 bss->eap_sim_db = os_strdup(pos);
1472 } else if (os_strcmp(buf, "eap_sim_aka_result_ind") == 0) {
1473 bss->eap_sim_aka_result_ind = atoi(pos);
1474#endif /* EAP_SIM */
1475#endif /* EAP_SERVER */
1476 } else if (os_strcmp(buf, "eap_message") == 0) {
1477 char *term;
1478 bss->eap_req_id_text = os_strdup(pos);
1479 if (bss->eap_req_id_text == NULL) {
1480 printf("Line %d: Failed to allocate memory "
1481 "for eap_req_id_text\n", line);
1482 errors++;
1483 continue;
1484 }
1485 bss->eap_req_id_text_len =
1486 os_strlen(bss->eap_req_id_text);
1487 term = os_strstr(bss->eap_req_id_text, "\\0");
1488 if (term) {
1489 *term++ = '\0';
1490 os_memmove(term, term + 1,
1491 bss->eap_req_id_text_len -
1492 (term - bss->eap_req_id_text) - 1);
1493 bss->eap_req_id_text_len--;
1494 }
1495 } else if (os_strcmp(buf, "wep_key_len_broadcast") == 0) {
1496 bss->default_wep_key_len = atoi(pos);
1497 if (bss->default_wep_key_len > 13) {
1498 printf("Line %d: invalid WEP key len %lu "
1499 "(= %lu bits)\n", line,
1500 (unsigned long)
1501 bss->default_wep_key_len,
1502 (unsigned long)
1503 bss->default_wep_key_len * 8);
1504 errors++;
1505 }
1506 } else if (os_strcmp(buf, "wep_key_len_unicast") == 0) {
1507 bss->individual_wep_key_len = atoi(pos);
1508 if (bss->individual_wep_key_len < 0 ||
1509 bss->individual_wep_key_len > 13) {
1510 printf("Line %d: invalid WEP key len %d "
1511 "(= %d bits)\n", line,
1512 bss->individual_wep_key_len,
1513 bss->individual_wep_key_len * 8);
1514 errors++;
1515 }
1516 } else if (os_strcmp(buf, "wep_rekey_period") == 0) {
1517 bss->wep_rekeying_period = atoi(pos);
1518 if (bss->wep_rekeying_period < 0) {
1519 printf("Line %d: invalid period %d\n",
1520 line, bss->wep_rekeying_period);
1521 errors++;
1522 }
1523 } else if (os_strcmp(buf, "eap_reauth_period") == 0) {
1524 bss->eap_reauth_period = atoi(pos);
1525 if (bss->eap_reauth_period < 0) {
1526 printf("Line %d: invalid period %d\n",
1527 line, bss->eap_reauth_period);
1528 errors++;
1529 }
1530 } else if (os_strcmp(buf, "eapol_key_index_workaround") == 0) {
1531 bss->eapol_key_index_workaround = atoi(pos);
1532#ifdef CONFIG_IAPP
1533 } else if (os_strcmp(buf, "iapp_interface") == 0) {
1534 bss->ieee802_11f = 1;
1535 os_strlcpy(bss->iapp_iface, pos,
1536 sizeof(bss->iapp_iface));
1537#endif /* CONFIG_IAPP */
1538 } else if (os_strcmp(buf, "own_ip_addr") == 0) {
1539 if (hostapd_parse_ip_addr(pos, &bss->own_ip_addr)) {
1540 printf("Line %d: invalid IP address '%s'\n",
1541 line, pos);
1542 errors++;
1543 }
1544 } else if (os_strcmp(buf, "nas_identifier") == 0) {
1545 bss->nas_identifier = os_strdup(pos);
1546 } else if (os_strcmp(buf, "auth_server_addr") == 0) {
1547 if (hostapd_config_read_radius_addr(
1548 &bss->radius->auth_servers,
1549 &bss->radius->num_auth_servers, pos, 1812,
1550 &bss->radius->auth_server)) {
1551 printf("Line %d: invalid IP address '%s'\n",
1552 line, pos);
1553 errors++;
1554 }
1555 } else if (bss->radius->auth_server &&
1556 os_strcmp(buf, "auth_server_port") == 0) {
1557 bss->radius->auth_server->port = atoi(pos);
1558 } else if (bss->radius->auth_server &&
1559 os_strcmp(buf, "auth_server_shared_secret") == 0) {
1560 int len = os_strlen(pos);
1561 if (len == 0) {
1562 /* RFC 2865, Ch. 3 */
1563 printf("Line %d: empty shared secret is not "
1564 "allowed.\n", line);
1565 errors++;
1566 }
1567 bss->radius->auth_server->shared_secret =
1568 (u8 *) os_strdup(pos);
1569 bss->radius->auth_server->shared_secret_len = len;
1570 } else if (os_strcmp(buf, "acct_server_addr") == 0) {
1571 if (hostapd_config_read_radius_addr(
1572 &bss->radius->acct_servers,
1573 &bss->radius->num_acct_servers, pos, 1813,
1574 &bss->radius->acct_server)) {
1575 printf("Line %d: invalid IP address '%s'\n",
1576 line, pos);
1577 errors++;
1578 }
1579 } else if (bss->radius->acct_server &&
1580 os_strcmp(buf, "acct_server_port") == 0) {
1581 bss->radius->acct_server->port = atoi(pos);
1582 } else if (bss->radius->acct_server &&
1583 os_strcmp(buf, "acct_server_shared_secret") == 0) {
1584 int len = os_strlen(pos);
1585 if (len == 0) {
1586 /* RFC 2865, Ch. 3 */
1587 printf("Line %d: empty shared secret is not "
1588 "allowed.\n", line);
1589 errors++;
1590 }
1591 bss->radius->acct_server->shared_secret =
1592 (u8 *) os_strdup(pos);
1593 bss->radius->acct_server->shared_secret_len = len;
1594 } else if (os_strcmp(buf, "radius_retry_primary_interval") ==
1595 0) {
1596 bss->radius->retry_primary_interval = atoi(pos);
1597 } else if (os_strcmp(buf, "radius_acct_interim_interval") == 0)
1598 {
1599 bss->radius->acct_interim_interval = atoi(pos);
1600 } else if (os_strcmp(buf, "auth_algs") == 0) {
1601 bss->auth_algs = atoi(pos);
1602 if (bss->auth_algs == 0) {
1603 printf("Line %d: no authentication algorithms "
1604 "allowed\n",
1605 line);
1606 errors++;
1607 }
1608 } else if (os_strcmp(buf, "max_num_sta") == 0) {
1609 bss->max_num_sta = atoi(pos);
1610 if (bss->max_num_sta < 0 ||
1611 bss->max_num_sta > MAX_STA_COUNT) {
1612 printf("Line %d: Invalid max_num_sta=%d; "
1613 "allowed range 0..%d\n", line,
1614 bss->max_num_sta, MAX_STA_COUNT);
1615 errors++;
1616 }
1617 } else if (os_strcmp(buf, "wpa") == 0) {
1618 bss->wpa = atoi(pos);
1619 } else if (os_strcmp(buf, "wpa_group_rekey") == 0) {
1620 bss->wpa_group_rekey = atoi(pos);
1621 } else if (os_strcmp(buf, "wpa_strict_rekey") == 0) {
1622 bss->wpa_strict_rekey = atoi(pos);
1623 } else if (os_strcmp(buf, "wpa_gmk_rekey") == 0) {
1624 bss->wpa_gmk_rekey = atoi(pos);
1625 } else if (os_strcmp(buf, "wpa_passphrase") == 0) {
1626 int len = os_strlen(pos);
1627 if (len < 8 || len > 63) {
1628 printf("Line %d: invalid WPA passphrase length"
1629 " %d (expected 8..63)\n", line, len);
1630 errors++;
1631 } else {
1632 os_free(bss->ssid.wpa_passphrase);
1633 bss->ssid.wpa_passphrase = os_strdup(pos);
1634 }
1635 } else if (os_strcmp(buf, "wpa_psk") == 0) {
1636 os_free(bss->ssid.wpa_psk);
1637 bss->ssid.wpa_psk =
1638 os_zalloc(sizeof(struct hostapd_wpa_psk));
1639 if (bss->ssid.wpa_psk == NULL)
1640 errors++;
1641 else if (hexstr2bin(pos, bss->ssid.wpa_psk->psk,
1642 PMK_LEN) ||
1643 pos[PMK_LEN * 2] != '\0') {
1644 printf("Line %d: Invalid PSK '%s'.\n", line,
1645 pos);
1646 errors++;
1647 } else {
1648 bss->ssid.wpa_psk->group = 1;
1649 }
1650 } else if (os_strcmp(buf, "wpa_psk_file") == 0) {
1651 os_free(bss->ssid.wpa_psk_file);
1652 bss->ssid.wpa_psk_file = os_strdup(pos);
1653 if (!bss->ssid.wpa_psk_file) {
1654 printf("Line %d: allocation failed\n", line);
1655 errors++;
1656 }
1657 } else if (os_strcmp(buf, "wpa_key_mgmt") == 0) {
1658 bss->wpa_key_mgmt =
1659 hostapd_config_parse_key_mgmt(line, pos);
1660 if (bss->wpa_key_mgmt == -1)
1661 errors++;
1662 } else if (os_strcmp(buf, "wpa_pairwise") == 0) {
1663 bss->wpa_pairwise =
1664 hostapd_config_parse_cipher(line, pos);
1665 if (bss->wpa_pairwise == -1 ||
1666 bss->wpa_pairwise == 0)
1667 errors++;
1668 else if (bss->wpa_pairwise &
1669 (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 |
1670 WPA_CIPHER_WEP104)) {
1671 printf("Line %d: unsupported pairwise "
1672 "cipher suite '%s'\n",
1673 bss->wpa_pairwise, pos);
1674 errors++;
1675 }
1676 } else if (os_strcmp(buf, "rsn_pairwise") == 0) {
1677 bss->rsn_pairwise =
1678 hostapd_config_parse_cipher(line, pos);
1679 if (bss->rsn_pairwise == -1 ||
1680 bss->rsn_pairwise == 0)
1681 errors++;
1682 else if (bss->rsn_pairwise &
1683 (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 |
1684 WPA_CIPHER_WEP104)) {
1685 printf("Line %d: unsupported pairwise "
1686 "cipher suite '%s'\n",
1687 bss->rsn_pairwise, pos);
1688 errors++;
1689 }
1690#ifdef CONFIG_RSN_PREAUTH
1691 } else if (os_strcmp(buf, "rsn_preauth") == 0) {
1692 bss->rsn_preauth = atoi(pos);
1693 } else if (os_strcmp(buf, "rsn_preauth_interfaces") == 0) {
1694 bss->rsn_preauth_interfaces = os_strdup(pos);
1695#endif /* CONFIG_RSN_PREAUTH */
1696#ifdef CONFIG_PEERKEY
1697 } else if (os_strcmp(buf, "peerkey") == 0) {
1698 bss->peerkey = atoi(pos);
1699#endif /* CONFIG_PEERKEY */
1700#ifdef CONFIG_IEEE80211R
1701 } else if (os_strcmp(buf, "mobility_domain") == 0) {
1702 if (os_strlen(pos) != 2 * MOBILITY_DOMAIN_ID_LEN ||
1703 hexstr2bin(pos, bss->mobility_domain,
1704 MOBILITY_DOMAIN_ID_LEN) != 0) {
1705 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
1706 "mobility_domain '%s'", line, pos);
1707 errors++;
1708 continue;
1709 }
1710 } else if (os_strcmp(buf, "r1_key_holder") == 0) {
1711 if (os_strlen(pos) != 2 * FT_R1KH_ID_LEN ||
1712 hexstr2bin(pos, bss->r1_key_holder,
1713 FT_R1KH_ID_LEN) != 0) {
1714 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
1715 "r1_key_holder '%s'", line, pos);
1716 errors++;
1717 continue;
1718 }
1719 } else if (os_strcmp(buf, "r0_key_lifetime") == 0) {
1720 bss->r0_key_lifetime = atoi(pos);
1721 } else if (os_strcmp(buf, "reassociation_deadline") == 0) {
1722 bss->reassociation_deadline = atoi(pos);
1723 } else if (os_strcmp(buf, "r0kh") == 0) {
1724 if (add_r0kh(bss, pos) < 0) {
1725 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
1726 "r0kh '%s'", line, pos);
1727 errors++;
1728 continue;
1729 }
1730 } else if (os_strcmp(buf, "r1kh") == 0) {
1731 if (add_r1kh(bss, pos) < 0) {
1732 wpa_printf(MSG_DEBUG, "Line %d: Invalid "
1733 "r1kh '%s'", line, pos);
1734 errors++;
1735 continue;
1736 }
1737 } else if (os_strcmp(buf, "pmk_r1_push") == 0) {
1738 bss->pmk_r1_push = atoi(pos);
1739#endif /* CONFIG_IEEE80211R */
1740 } else if (os_strcmp(buf, "ctrl_interface") == 0) {
1741 os_free(bss->ctrl_interface);
1742 bss->ctrl_interface = os_strdup(pos);
1743 } else if (os_strcmp(buf, "ctrl_interface_group") == 0) {
1744#ifndef CONFIG_NATIVE_WINDOWS
1745 struct group *grp;
1746 char *endp;
1747 const char *group = pos;
1748
1749 grp = getgrnam(group);
1750 if (grp) {
1751 bss->ctrl_interface_gid = grp->gr_gid;
1752 bss->ctrl_interface_gid_set = 1;
1753 wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d"
1754 " (from group name '%s')",
1755 bss->ctrl_interface_gid, group);
1756 continue;
1757 }
1758
1759 /* Group name not found - try to parse this as gid */
1760 bss->ctrl_interface_gid = strtol(group, &endp, 10);
1761 if (*group == '\0' || *endp != '\0') {
1762 wpa_printf(MSG_DEBUG, "Line %d: Invalid group "
1763 "'%s'", line, group);
1764 errors++;
1765 continue;
1766 }
1767 bss->ctrl_interface_gid_set = 1;
1768 wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d",
1769 bss->ctrl_interface_gid);
1770#endif /* CONFIG_NATIVE_WINDOWS */
1771#ifdef RADIUS_SERVER
1772 } else if (os_strcmp(buf, "radius_server_clients") == 0) {
1773 os_free(bss->radius_server_clients);
1774 bss->radius_server_clients = os_strdup(pos);
1775 } else if (os_strcmp(buf, "radius_server_auth_port") == 0) {
1776 bss->radius_server_auth_port = atoi(pos);
1777 } else if (os_strcmp(buf, "radius_server_ipv6") == 0) {
1778 bss->radius_server_ipv6 = atoi(pos);
1779#endif /* RADIUS_SERVER */
1780 } else if (os_strcmp(buf, "test_socket") == 0) {
1781 os_free(bss->test_socket);
1782 bss->test_socket = os_strdup(pos);
1783 } else if (os_strcmp(buf, "use_pae_group_addr") == 0) {
1784 bss->use_pae_group_addr = atoi(pos);
1785 } else if (os_strcmp(buf, "hw_mode") == 0) {
1786 if (os_strcmp(pos, "a") == 0)
1787 conf->hw_mode = HOSTAPD_MODE_IEEE80211A;
1788 else if (os_strcmp(pos, "b") == 0)
1789 conf->hw_mode = HOSTAPD_MODE_IEEE80211B;
1790 else if (os_strcmp(pos, "g") == 0)
1791 conf->hw_mode = HOSTAPD_MODE_IEEE80211G;
1792 else {
1793 printf("Line %d: unknown hw_mode '%s'\n",
1794 line, pos);
1795 errors++;
1796 }
1797 } else if (os_strcmp(buf, "channel") == 0) {
1798 conf->channel = atoi(pos);
1799 } else if (os_strcmp(buf, "beacon_int") == 0) {
1800 int val = atoi(pos);
1801 /* MIB defines range as 1..65535, but very small values
1802 * cause problems with the current implementation.
1803 * Since it is unlikely that this small numbers are
1804 * useful in real life scenarios, do not allow beacon
1805 * period to be set below 15 TU. */
1806 if (val < 15 || val > 65535) {
1807 printf("Line %d: invalid beacon_int %d "
1808 "(expected 15..65535)\n",
1809 line, val);
1810 errors++;
1811 } else
1812 conf->beacon_int = val;
1813 } else if (os_strcmp(buf, "dtim_period") == 0) {
1814 bss->dtim_period = atoi(pos);
1815 if (bss->dtim_period < 1 || bss->dtim_period > 255) {
1816 printf("Line %d: invalid dtim_period %d\n",
1817 line, bss->dtim_period);
1818 errors++;
1819 }
1820 } else if (os_strcmp(buf, "rts_threshold") == 0) {
1821 conf->rts_threshold = atoi(pos);
1822 if (conf->rts_threshold < 0 ||
1823 conf->rts_threshold > 2347) {
1824 printf("Line %d: invalid rts_threshold %d\n",
1825 line, conf->rts_threshold);
1826 errors++;
1827 }
1828 } else if (os_strcmp(buf, "fragm_threshold") == 0) {
1829 conf->fragm_threshold = atoi(pos);
1830 if (conf->fragm_threshold < 256 ||
1831 conf->fragm_threshold > 2346) {
1832 printf("Line %d: invalid fragm_threshold %d\n",
1833 line, conf->fragm_threshold);
1834 errors++;
1835 }
1836 } else if (os_strcmp(buf, "send_probe_response") == 0) {
1837 int val = atoi(pos);
1838 if (val != 0 && val != 1) {
1839 printf("Line %d: invalid send_probe_response "
1840 "%d (expected 0 or 1)\n", line, val);
1841 } else
1842 conf->send_probe_response = val;
1843 } else if (os_strcmp(buf, "supported_rates") == 0) {
1844 if (hostapd_parse_rates(&conf->supported_rates, pos)) {
1845 printf("Line %d: invalid rate list\n", line);
1846 errors++;
1847 }
1848 } else if (os_strcmp(buf, "basic_rates") == 0) {
1849 if (hostapd_parse_rates(&conf->basic_rates, pos)) {
1850 printf("Line %d: invalid rate list\n", line);
1851 errors++;
1852 }
1853 } else if (os_strcmp(buf, "ignore_broadcast_ssid") == 0) {
1854 bss->ignore_broadcast_ssid = atoi(pos);
1855 } else if (os_strcmp(buf, "bridge_packets") == 0) {
1856 conf->bridge_packets = atoi(pos);
1857 } else if (os_strcmp(buf, "wep_default_key") == 0) {
1858 bss->ssid.wep.idx = atoi(pos);
1859 if (bss->ssid.wep.idx > 3) {
1860 printf("Invalid wep_default_key index %d\n",
1861 bss->ssid.wep.idx);
1862 errors++;
1863 }
1864 } else if (os_strcmp(buf, "wep_key0") == 0 ||
1865 os_strcmp(buf, "wep_key1") == 0 ||
1866 os_strcmp(buf, "wep_key2") == 0 ||
1867 os_strcmp(buf, "wep_key3") == 0) {
1868 if (hostapd_config_read_wep(&bss->ssid.wep,
1869 buf[7] - '0', pos)) {
1870 printf("Line %d: invalid WEP key '%s'\n",
1871 line, buf);
1872 errors++;
1873 }
1874 } else if (os_strcmp(buf, "dynamic_vlan") == 0) {
1875 bss->ssid.dynamic_vlan = atoi(pos);
1876 } else if (os_strcmp(buf, "vlan_file") == 0) {
1877 if (hostapd_config_read_vlan_file(bss, pos)) {
1878 printf("Line %d: failed to read VLAN file "
1879 "'%s'\n", line, pos);
1880 errors++;
1881 }
1882#ifdef CONFIG_FULL_DYNAMIC_VLAN
1883 } else if (os_strcmp(buf, "vlan_tagged_interface") == 0) {
1884 bss->ssid.vlan_tagged_interface = os_strdup(pos);
1885#endif /* CONFIG_FULL_DYNAMIC_VLAN */
1886 } else if (os_strcmp(buf, "passive_scan_interval") == 0) {
1887 conf->passive_scan_interval = atoi(pos);
1888 } else if (os_strcmp(buf, "passive_scan_listen") == 0) {
1889 conf->passive_scan_listen = atoi(pos);
1890 } else if (os_strcmp(buf, "passive_scan_mode") == 0) {
1891 conf->passive_scan_mode = atoi(pos);
1892 } else if (os_strcmp(buf, "ap_table_max_size") == 0) {
1893 conf->ap_table_max_size = atoi(pos);
1894 } else if (os_strcmp(buf, "ap_table_expiration_time") == 0) {
1895 conf->ap_table_expiration_time = atoi(pos);
1896 } else if (os_strncmp(buf, "tx_queue_", 9) == 0) {
1897 if (hostapd_config_tx_queue(conf, buf, pos)) {
1898 printf("Line %d: invalid TX queue item\n",
1899 line);
1900 errors++;
1901 }
1902 } else if (os_strcmp(buf, "wme_enabled") == 0) {
1903 bss->wme_enabled = atoi(pos);
1904 } else if (os_strncmp(buf, "wme_ac_", 7) == 0) {
1905 if (hostapd_config_wme_ac(conf, buf, pos)) {
1906 printf("Line %d: invalid wme ac item\n",
1907 line);
1908 errors++;
1909 }
1910 } else if (os_strcmp(buf, "bss") == 0) {
1911 if (hostapd_config_bss(conf, pos)) {
1912 printf("Line %d: invalid bss item\n", line);
1913 errors++;
1914 }
1915 } else if (os_strcmp(buf, "bssid") == 0) {
1916 if (bss == conf->bss &&
1917 (!conf->driver || !conf->driver->init_bssid)) {
1918 printf("Line %d: bssid item not allowed "
1919 "for the default interface and this "
1920 "driver\n", line);
1921 errors++;
1922 } else if (hwaddr_aton(pos, bss->bssid)) {
1923 printf("Line %d: invalid bssid item\n", line);
1924 errors++;
1925 }
1926#ifdef CONFIG_IEEE80211W
1927 } else if (os_strcmp(buf, "ieee80211w") == 0) {
1928 bss->ieee80211w = atoi(pos);
1929#endif /* CONFIG_IEEE80211W */
1930 } else {
1931 printf("Line %d: unknown configuration item '%s'\n",
1932 line, buf);
1933 errors++;
1934 }
1935 }
1936
1937 fclose(f);
1938
1939 if (bss->individual_wep_key_len == 0) {
1940 /* individual keys are not use; can use key idx0 for broadcast
1941 * keys */
1942 bss->broadcast_key_idx_min = 0;
1943 }
1944
1945 /* Select group cipher based on the enabled pairwise cipher suites */
1946 pairwise = 0;
1947 if (bss->wpa & 1)
1948 pairwise |= bss->wpa_pairwise;
1949 if (bss->wpa & 2) {
1950 if (bss->rsn_pairwise == 0)
1951 bss->rsn_pairwise = bss->wpa_pairwise;
1952 pairwise |= bss->rsn_pairwise;
1953 }
1954 if (pairwise & WPA_CIPHER_TKIP)
1955 bss->wpa_group = WPA_CIPHER_TKIP;
1956 else
1957 bss->wpa_group = WPA_CIPHER_CCMP;
1958
1959 for (i = 0; i < conf->num_bss; i++) {
1960 bss = &conf->bss[i];
1961
1962 bss->radius->auth_server = bss->radius->auth_servers;
1963 bss->radius->acct_server = bss->radius->acct_servers;
1964
1965 if (bss->wpa && bss->ieee802_1x) {
1966 bss->ssid.security_policy = SECURITY_WPA;
1967 } else if (bss->wpa) {
1968 bss->ssid.security_policy = SECURITY_WPA_PSK;
1969 } else if (bss->ieee802_1x) {
1970 bss->ssid.security_policy = SECURITY_IEEE_802_1X;
1971 bss->ssid.wep.default_len = bss->default_wep_key_len;
1972 } else if (bss->ssid.wep.keys_set)
1973 bss->ssid.security_policy = SECURITY_STATIC_WEP;
1974 else
1975 bss->ssid.security_policy = SECURITY_PLAINTEXT;
1976 }
1977
1978 if (hostapd_config_check(conf))
1979 errors++;
1980
1981 if (errors) {
1982 printf("%d errors found in configuration file '%s'\n",
1983 errors, fname);
1984 hostapd_config_free(conf);
1985 conf = NULL;
1986 }
1987
1988 return conf;
1989}
1990
1991
1992int hostapd_wep_key_cmp(struct hostapd_wep_keys *a, struct hostapd_wep_keys *b)
1993{
1994 int i;
1995
1996 if (a->idx != b->idx || a->default_len != b->default_len)
1997 return 1;
1998 for (i = 0; i < NUM_WEP_KEYS; i++)
1999 if (a->len[i] != b->len[i] ||
2000 os_memcmp(a->key[i], b->key[i], a->len[i]) != 0)
2001 return 1;
2002 return 0;
2003}
2004
2005
2006static void hostapd_config_free_radius(struct hostapd_radius_server *servers,
2007 int num_servers)
2008{
2009 int i;
2010
2011 for (i = 0; i < num_servers; i++) {
2012 os_free(servers[i].shared_secret);
2013 }
2014 os_free(servers);
2015}
2016
2017
2018static void hostapd_config_free_eap_user(struct hostapd_eap_user *user)
2019{
2020 os_free(user->identity);
2021 os_free(user->password);
2022 os_free(user);
2023}
2024
2025
2026static void hostapd_config_free_wep(struct hostapd_wep_keys *keys)
2027{
2028 int i;
2029 for (i = 0; i < NUM_WEP_KEYS; i++) {
2030 os_free(keys->key[i]);
2031 keys->key[i] = NULL;
2032 }
2033}
2034
2035
2036static void hostapd_config_free_bss(struct hostapd_bss_config *conf)
2037{
2038 struct hostapd_wpa_psk *psk, *prev;
2039 struct hostapd_eap_user *user, *prev_user;
2040
2041 if (conf == NULL)
2042 return;
2043
2044 psk = conf->ssid.wpa_psk;
2045 while (psk) {
2046 prev = psk;
2047 psk = psk->next;
2048 os_free(prev);
2049 }
2050
2051 os_free(conf->ssid.wpa_passphrase);
2052 os_free(conf->ssid.wpa_psk_file);
2053#ifdef CONFIG_FULL_DYNAMIC_VLAN
2054 os_free(conf->ssid.vlan_tagged_interface);
2055#endif /* CONFIG_FULL_DYNAMIC_VLAN */
2056
2057 user = conf->eap_user;
2058 while (user) {
2059 prev_user = user;
2060 user = user->next;
2061 hostapd_config_free_eap_user(prev_user);
2062 }
2063
2064 os_free(conf->dump_log_name);
2065 os_free(conf->eap_req_id_text);
2066 os_free(conf->accept_mac);
2067 os_free(conf->deny_mac);
2068 os_free(conf->nas_identifier);
2069 hostapd_config_free_radius(conf->radius->auth_servers,
2070 conf->radius->num_auth_servers);
2071 hostapd_config_free_radius(conf->radius->acct_servers,
2072 conf->radius->num_acct_servers);
2073 os_free(conf->rsn_preauth_interfaces);
2074 os_free(conf->ctrl_interface);
2075 os_free(conf->ca_cert);
2076 os_free(conf->server_cert);
2077 os_free(conf->private_key);
2078 os_free(conf->private_key_passwd);
2079 os_free(conf->dh_file);
2080 os_free(conf->pac_opaque_encr_key);
2081 os_free(conf->eap_fast_a_id);
2082 os_free(conf->eap_sim_db);
2083 os_free(conf->radius_server_clients);
2084 os_free(conf->test_socket);
2085 os_free(conf->radius);
2086 hostapd_config_free_vlan(conf);
2087 if (conf->ssid.dyn_vlan_keys) {
2088 struct hostapd_ssid *ssid = &conf->ssid;
2089 size_t i;
2090 for (i = 0; i <= ssid->max_dyn_vlan_keys; i++) {
2091 if (ssid->dyn_vlan_keys[i] == NULL)
2092 continue;
2093 hostapd_config_free_wep(ssid->dyn_vlan_keys[i]);
2094 os_free(ssid->dyn_vlan_keys[i]);
2095 }
2096 os_free(ssid->dyn_vlan_keys);
2097 ssid->dyn_vlan_keys = NULL;
2098 }
2099
2100#ifdef CONFIG_IEEE80211R
2101 {
2102 struct ft_remote_r0kh *r0kh, *r0kh_prev;
2103 struct ft_remote_r1kh *r1kh, *r1kh_prev;
2104
2105 r0kh = conf->r0kh_list;
2106 conf->r0kh_list = NULL;
2107 while (r0kh) {
2108 r0kh_prev = r0kh;
2109 r0kh = r0kh->next;
2110 os_free(r0kh_prev);
2111 }
2112
2113 r1kh = conf->r1kh_list;
2114 conf->r1kh_list = NULL;
2115 while (r1kh) {
2116 r1kh_prev = r1kh;
2117 r1kh = r1kh->next;
2118 os_free(r1kh_prev);
2119 }
2120 }
2121#endif /* CONFIG_IEEE80211R */
2122}
2123
2124
2125void hostapd_config_free(struct hostapd_config *conf)
2126{
2127 size_t i;
2128
2129 if (conf == NULL)
2130 return;
2131
2132 for (i = 0; i < conf->num_bss; i++)
2133 hostapd_config_free_bss(&conf->bss[i]);
2134 os_free(conf->bss);
2135
2136 os_free(conf);
2137}
2138
2139
2140/* Perform a binary search for given MAC address from a pre-sorted list.
2141 * Returns 1 if address is in the list or 0 if not. */
2142int hostapd_maclist_found(macaddr *list, int num_entries, const u8 *addr)
2143{
2144 int start, end, middle, res;
2145
2146 start = 0;
2147 end = num_entries - 1;
2148
2149 while (start <= end) {
2150 middle = (start + end) / 2;
2151 res = os_memcmp(list[middle], addr, ETH_ALEN);
2152 if (res == 0)
2153 return 1;
2154 if (res < 0)
2155 start = middle + 1;
2156 else
2157 end = middle - 1;
2158 }
2159
2160 return 0;
2161}
2162
2163
2164int hostapd_rate_found(int *list, int rate)
2165{
2166 int i;
2167
2168 if (list == NULL)
2169 return 0;
2170
2171 for (i = 0; list[i] >= 0; i++)
2172 if (list[i] == rate)
2173 return 1;
2174
2175 return 0;
2176}
2177
2178
2179const char * hostapd_get_vlan_id_ifname(struct hostapd_vlan *vlan, int vlan_id)
2180{
2181 struct hostapd_vlan *v = vlan;
2182 while (v) {
2183 if (v->vlan_id == vlan_id || v->vlan_id == VLAN_ID_WILDCARD)
2184 return v->ifname;
2185 v = v->next;
2186 }
2187 return NULL;
2188}
2189
2190
2191const u8 * hostapd_get_psk(const struct hostapd_bss_config *conf,
2192 const u8 *addr, const u8 *prev_psk)
2193{
2194 struct hostapd_wpa_psk *psk;
2195 int next_ok = prev_psk == NULL;
2196
2197 for (psk = conf->ssid.wpa_psk; psk != NULL; psk = psk->next) {
2198 if (next_ok &&
2199 (psk->group || os_memcmp(psk->addr, addr, ETH_ALEN) == 0))
2200 return psk->psk;
2201
2202 if (psk->psk == prev_psk)
2203 next_ok = 1;
2204 }
2205
2206 return NULL;
2207}
2208
2209
2210const struct hostapd_eap_user *
2211hostapd_get_eap_user(const struct hostapd_bss_config *conf, const u8 *identity,
2212 size_t identity_len, int phase2)
2213{
2214 struct hostapd_eap_user *user = conf->eap_user;
2215
2216 while (user) {
2217 if (!phase2 && user->identity == NULL) {
2218 /* Wildcard match */
2219 break;
2220 }
2221
2222 if (user->phase2 == !!phase2 && user->wildcard_prefix &&
2223 identity_len >= user->identity_len &&
2224 os_memcmp(user->identity, identity, user->identity_len) ==
2225 0) {
2226 /* Wildcard prefix match */
2227 break;
2228 }
2229
2230 if (user->phase2 == !!phase2 &&
2231 user->identity_len == identity_len &&
2232 os_memcmp(user->identity, identity, identity_len) == 0)
2233 break;
2234 user = user->next;
2235 }
2236
2237 return user;
2238}
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