2 * WPA Supplicant / Configuration parser and common functions
3 * Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi>
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
12 #include "utils/uuid.h"
13 #include "crypto/sha1.h"
14 #include "rsn_supp/wpa.h"
15 #include "eap_peer/eap.h"
20 #if !defined(CONFIG_CTRL_IFACE) && defined(CONFIG_NO_CONFIG_WRITE)
21 #define NO_CONFIG_WRITE
25 * Structure for network configuration parsing. This data is used to implement
26 * a generic parser for each network block variable. The table of configuration
27 * variables is defined below in this file (ssid_fields[]).
30 /* Configuration variable name */
33 /* Parser function for this variable */
34 int (*parser)(const struct parse_data *data, struct wpa_ssid *ssid,
35 int line, const char *value);
37 #ifndef NO_CONFIG_WRITE
38 /* Writer function (i.e., to get the variable in text format from
39 * internal presentation). */
40 char * (*writer)(const struct parse_data *data, struct wpa_ssid *ssid);
41 #endif /* NO_CONFIG_WRITE */
43 /* Variable specific parameters for the parser. */
44 void *param1, *param2, *param3, *param4;
46 /* 0 = this variable can be included in debug output and ctrl_iface
47 * 1 = this variable contains key/private data and it must not be
48 * included in debug output unless explicitly requested. In
49 * addition, this variable will not be readable through the
56 static int wpa_config_parse_str(const struct parse_data *data,
57 struct wpa_ssid *ssid,
58 int line, const char *value)
60 size_t res_len, *dst_len;
63 if (os_strcmp(value, "NULL") == 0) {
64 wpa_printf(MSG_DEBUG, "Unset configuration string '%s'",
71 tmp = wpa_config_parse_string(value, &res_len);
73 wpa_printf(MSG_ERROR, "Line %d: failed to parse %s '%s'.",
75 data->key_data ? "[KEY DATA REMOVED]" : value);
80 wpa_hexdump_ascii_key(MSG_MSGDUMP, data->name,
83 wpa_hexdump_ascii(MSG_MSGDUMP, data->name,
87 if (data->param3 && res_len < (size_t) data->param3) {
88 wpa_printf(MSG_ERROR, "Line %d: too short %s (len=%lu "
89 "min_len=%ld)", line, data->name,
90 (unsigned long) res_len, (long) data->param3);
95 if (data->param4 && res_len > (size_t) data->param4) {
96 wpa_printf(MSG_ERROR, "Line %d: too long %s (len=%lu "
97 "max_len=%ld)", line, data->name,
98 (unsigned long) res_len, (long) data->param4);
104 dst = (char **) (((u8 *) ssid) + (long) data->param1);
105 dst_len = (size_t *) (((u8 *) ssid) + (long) data->param2);
115 #ifndef NO_CONFIG_WRITE
116 static char * wpa_config_write_string_ascii(const u8 *value, size_t len)
120 buf = os_malloc(len + 3);
124 os_memcpy(buf + 1, value, len);
132 static char * wpa_config_write_string_hex(const u8 *value, size_t len)
136 buf = os_zalloc(2 * len + 1);
139 wpa_snprintf_hex(buf, 2 * len + 1, value, len);
145 static char * wpa_config_write_string(const u8 *value, size_t len)
150 if (is_hex(value, len))
151 return wpa_config_write_string_hex(value, len);
153 return wpa_config_write_string_ascii(value, len);
157 static char * wpa_config_write_str(const struct parse_data *data,
158 struct wpa_ssid *ssid)
163 src = (char **) (((u8 *) ssid) + (long) data->param1);
168 len = *((size_t *) (((u8 *) ssid) + (long) data->param2));
170 len = os_strlen(*src);
172 return wpa_config_write_string((const u8 *) *src, len);
174 #endif /* NO_CONFIG_WRITE */
177 static int wpa_config_parse_int(const struct parse_data *data,
178 struct wpa_ssid *ssid,
179 int line, const char *value)
183 dst = (int *) (((u8 *) ssid) + (long) data->param1);
185 wpa_printf(MSG_MSGDUMP, "%s=%d (0x%x)", data->name, *dst, *dst);
187 if (data->param3 && *dst < (long) data->param3) {
188 wpa_printf(MSG_ERROR, "Line %d: too small %s (value=%d "
189 "min_value=%ld)", line, data->name, *dst,
190 (long) data->param3);
191 *dst = (long) data->param3;
195 if (data->param4 && *dst > (long) data->param4) {
196 wpa_printf(MSG_ERROR, "Line %d: too large %s (value=%d "
197 "max_value=%ld)", line, data->name, *dst,
198 (long) data->param4);
199 *dst = (long) data->param4;
207 #ifndef NO_CONFIG_WRITE
208 static char * wpa_config_write_int(const struct parse_data *data,
209 struct wpa_ssid *ssid)
214 src = (int *) (((u8 *) ssid) + (long) data->param1);
216 value = os_malloc(20);
219 res = os_snprintf(value, 20, "%d", *src);
220 if (res < 0 || res >= 20) {
224 value[20 - 1] = '\0';
227 #endif /* NO_CONFIG_WRITE */
230 static int wpa_config_parse_bssid(const struct parse_data *data,
231 struct wpa_ssid *ssid, int line,
234 if (value[0] == '\0' || os_strcmp(value, "\"\"") == 0 ||
235 os_strcmp(value, "any") == 0) {
237 wpa_printf(MSG_MSGDUMP, "BSSID any");
240 if (hwaddr_aton(value, ssid->bssid)) {
241 wpa_printf(MSG_ERROR, "Line %d: Invalid BSSID '%s'.",
246 wpa_hexdump(MSG_MSGDUMP, "BSSID", ssid->bssid, ETH_ALEN);
251 #ifndef NO_CONFIG_WRITE
252 static char * wpa_config_write_bssid(const struct parse_data *data,
253 struct wpa_ssid *ssid)
258 if (!ssid->bssid_set)
261 value = os_malloc(20);
264 res = os_snprintf(value, 20, MACSTR, MAC2STR(ssid->bssid));
265 if (res < 0 || res >= 20) {
269 value[20 - 1] = '\0';
272 #endif /* NO_CONFIG_WRITE */
275 static int wpa_config_parse_psk(const struct parse_data *data,
276 struct wpa_ssid *ssid, int line,
279 #ifdef CONFIG_EXT_PASSWORD
280 if (os_strncmp(value, "ext:", 4) == 0) {
281 os_free(ssid->passphrase);
282 ssid->passphrase = NULL;
284 os_free(ssid->ext_psk);
285 ssid->ext_psk = os_strdup(value + 4);
286 if (ssid->ext_psk == NULL)
288 wpa_printf(MSG_DEBUG, "PSK: External password '%s'",
292 #endif /* CONFIG_EXT_PASSWORD */
295 #ifndef CONFIG_NO_PBKDF2
300 pos = os_strrchr(value, '"');
304 len = os_strlen(value);
305 if (len < 8 || len > 63) {
306 wpa_printf(MSG_ERROR, "Line %d: Invalid passphrase "
307 "length %lu (expected: 8..63) '%s'.",
308 line, (unsigned long) len, value);
311 wpa_hexdump_ascii_key(MSG_MSGDUMP, "PSK (ASCII passphrase)",
313 if (ssid->passphrase && os_strlen(ssid->passphrase) == len &&
314 os_memcmp(ssid->passphrase, value, len) == 0)
317 os_free(ssid->passphrase);
318 ssid->passphrase = os_malloc(len + 1);
319 if (ssid->passphrase == NULL)
321 os_memcpy(ssid->passphrase, value, len);
322 ssid->passphrase[len] = '\0';
324 #else /* CONFIG_NO_PBKDF2 */
325 wpa_printf(MSG_ERROR, "Line %d: ASCII passphrase not "
328 #endif /* CONFIG_NO_PBKDF2 */
331 if (hexstr2bin(value, ssid->psk, PMK_LEN) ||
332 value[PMK_LEN * 2] != '\0') {
333 wpa_printf(MSG_ERROR, "Line %d: Invalid PSK '%s'.",
338 os_free(ssid->passphrase);
339 ssid->passphrase = NULL;
342 wpa_hexdump_key(MSG_MSGDUMP, "PSK", ssid->psk, PMK_LEN);
347 #ifndef NO_CONFIG_WRITE
348 static char * wpa_config_write_psk(const struct parse_data *data,
349 struct wpa_ssid *ssid)
351 #ifdef CONFIG_EXT_PASSWORD
353 size_t len = 4 + os_strlen(ssid->ext_psk) + 1;
354 char *buf = os_malloc(len);
357 os_snprintf(buf, len, "ext:%s", ssid->ext_psk);
360 #endif /* CONFIG_EXT_PASSWORD */
362 if (ssid->passphrase)
363 return wpa_config_write_string_ascii(
364 (const u8 *) ssid->passphrase,
365 os_strlen(ssid->passphrase));
368 return wpa_config_write_string_hex(ssid->psk, PMK_LEN);
372 #endif /* NO_CONFIG_WRITE */
375 static int wpa_config_parse_proto(const struct parse_data *data,
376 struct wpa_ssid *ssid, int line,
379 int val = 0, last, errors = 0;
380 char *start, *end, *buf;
382 buf = os_strdup(value);
387 while (*start != '\0') {
388 while (*start == ' ' || *start == '\t')
393 while (*end != ' ' && *end != '\t' && *end != '\0')
397 if (os_strcmp(start, "WPA") == 0)
398 val |= WPA_PROTO_WPA;
399 else if (os_strcmp(start, "RSN") == 0 ||
400 os_strcmp(start, "WPA2") == 0)
401 val |= WPA_PROTO_RSN;
403 wpa_printf(MSG_ERROR, "Line %d: invalid proto '%s'",
415 wpa_printf(MSG_ERROR,
416 "Line %d: no proto values configured.", line);
420 wpa_printf(MSG_MSGDUMP, "proto: 0x%x", val);
422 return errors ? -1 : 0;
426 #ifndef NO_CONFIG_WRITE
427 static char * wpa_config_write_proto(const struct parse_data *data,
428 struct wpa_ssid *ssid)
431 char *buf, *pos, *end;
433 pos = buf = os_zalloc(10);
438 if (ssid->proto & WPA_PROTO_WPA) {
439 ret = os_snprintf(pos, end - pos, "%sWPA", first ? "" : " ");
440 if (ret < 0 || ret >= end - pos)
446 if (ssid->proto & WPA_PROTO_RSN) {
447 ret = os_snprintf(pos, end - pos, "%sRSN", first ? "" : " ");
448 if (ret < 0 || ret >= end - pos)
456 #endif /* NO_CONFIG_WRITE */
459 static int wpa_config_parse_key_mgmt(const struct parse_data *data,
460 struct wpa_ssid *ssid, int line,
463 int val = 0, last, errors = 0;
464 char *start, *end, *buf;
466 buf = os_strdup(value);
471 while (*start != '\0') {
472 while (*start == ' ' || *start == '\t')
477 while (*end != ' ' && *end != '\t' && *end != '\0')
481 if (os_strcmp(start, "WPA-PSK") == 0)
482 val |= WPA_KEY_MGMT_PSK;
483 else if (os_strcmp(start, "WPA-EAP") == 0)
484 val |= WPA_KEY_MGMT_IEEE8021X;
485 else if (os_strcmp(start, "IEEE8021X") == 0)
486 val |= WPA_KEY_MGMT_IEEE8021X_NO_WPA;
487 else if (os_strcmp(start, "NONE") == 0)
488 val |= WPA_KEY_MGMT_NONE;
489 else if (os_strcmp(start, "WPA-NONE") == 0)
490 val |= WPA_KEY_MGMT_WPA_NONE;
491 #ifdef CONFIG_IEEE80211R
492 else if (os_strcmp(start, "FT-PSK") == 0)
493 val |= WPA_KEY_MGMT_FT_PSK;
494 else if (os_strcmp(start, "FT-EAP") == 0)
495 val |= WPA_KEY_MGMT_FT_IEEE8021X;
496 #endif /* CONFIG_IEEE80211R */
497 #ifdef CONFIG_IEEE80211W
498 else if (os_strcmp(start, "WPA-PSK-SHA256") == 0)
499 val |= WPA_KEY_MGMT_PSK_SHA256;
500 else if (os_strcmp(start, "WPA-EAP-SHA256") == 0)
501 val |= WPA_KEY_MGMT_IEEE8021X_SHA256;
502 #endif /* CONFIG_IEEE80211W */
504 else if (os_strcmp(start, "WPS") == 0)
505 val |= WPA_KEY_MGMT_WPS;
506 #endif /* CONFIG_WPS */
508 else if (os_strcmp(start, "SAE") == 0)
509 val |= WPA_KEY_MGMT_SAE;
510 else if (os_strcmp(start, "FT-SAE") == 0)
511 val |= WPA_KEY_MGMT_FT_SAE;
512 #endif /* CONFIG_SAE */
514 wpa_printf(MSG_ERROR, "Line %d: invalid key_mgmt '%s'",
526 wpa_printf(MSG_ERROR,
527 "Line %d: no key_mgmt values configured.", line);
531 wpa_printf(MSG_MSGDUMP, "key_mgmt: 0x%x", val);
532 ssid->key_mgmt = val;
533 return errors ? -1 : 0;
537 #ifndef NO_CONFIG_WRITE
538 static char * wpa_config_write_key_mgmt(const struct parse_data *data,
539 struct wpa_ssid *ssid)
541 char *buf, *pos, *end;
544 pos = buf = os_zalloc(50);
549 if (ssid->key_mgmt & WPA_KEY_MGMT_PSK) {
550 ret = os_snprintf(pos, end - pos, "%sWPA-PSK",
551 pos == buf ? "" : " ");
552 if (ret < 0 || ret >= end - pos) {
559 if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
560 ret = os_snprintf(pos, end - pos, "%sWPA-EAP",
561 pos == buf ? "" : " ");
562 if (ret < 0 || ret >= end - pos) {
569 if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
570 ret = os_snprintf(pos, end - pos, "%sIEEE8021X",
571 pos == buf ? "" : " ");
572 if (ret < 0 || ret >= end - pos) {
579 if (ssid->key_mgmt & WPA_KEY_MGMT_NONE) {
580 ret = os_snprintf(pos, end - pos, "%sNONE",
581 pos == buf ? "" : " ");
582 if (ret < 0 || ret >= end - pos) {
589 if (ssid->key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
590 ret = os_snprintf(pos, end - pos, "%sWPA-NONE",
591 pos == buf ? "" : " ");
592 if (ret < 0 || ret >= end - pos) {
599 #ifdef CONFIG_IEEE80211R
600 if (ssid->key_mgmt & WPA_KEY_MGMT_FT_PSK)
601 pos += os_snprintf(pos, end - pos, "%sFT-PSK",
602 pos == buf ? "" : " ");
604 if (ssid->key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X)
605 pos += os_snprintf(pos, end - pos, "%sFT-EAP",
606 pos == buf ? "" : " ");
607 #endif /* CONFIG_IEEE80211R */
609 #ifdef CONFIG_IEEE80211W
610 if (ssid->key_mgmt & WPA_KEY_MGMT_PSK_SHA256)
611 pos += os_snprintf(pos, end - pos, "%sWPA-PSK-SHA256",
612 pos == buf ? "" : " ");
614 if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256)
615 pos += os_snprintf(pos, end - pos, "%sWPA-EAP-SHA256",
616 pos == buf ? "" : " ");
617 #endif /* CONFIG_IEEE80211W */
620 if (ssid->key_mgmt & WPA_KEY_MGMT_WPS)
621 pos += os_snprintf(pos, end - pos, "%sWPS",
622 pos == buf ? "" : " ");
623 #endif /* CONFIG_WPS */
627 #endif /* NO_CONFIG_WRITE */
630 static int wpa_config_parse_cipher(int line, const char *value)
633 char *start, *end, *buf;
635 buf = os_strdup(value);
640 while (*start != '\0') {
641 while (*start == ' ' || *start == '\t')
646 while (*end != ' ' && *end != '\t' && *end != '\0')
650 if (os_strcmp(start, "CCMP") == 0)
651 val |= WPA_CIPHER_CCMP;
652 else if (os_strcmp(start, "GCMP") == 0)
653 val |= WPA_CIPHER_GCMP;
654 else if (os_strcmp(start, "TKIP") == 0)
655 val |= WPA_CIPHER_TKIP;
656 else if (os_strcmp(start, "WEP104") == 0)
657 val |= WPA_CIPHER_WEP104;
658 else if (os_strcmp(start, "WEP40") == 0)
659 val |= WPA_CIPHER_WEP40;
660 else if (os_strcmp(start, "NONE") == 0)
661 val |= WPA_CIPHER_NONE;
663 wpa_printf(MSG_ERROR, "Line %d: invalid cipher '%s'.",
676 wpa_printf(MSG_ERROR, "Line %d: no cipher values configured.",
684 #ifndef NO_CONFIG_WRITE
685 static char * wpa_config_write_cipher(int cipher)
687 char *buf, *pos, *end;
690 pos = buf = os_zalloc(50);
695 if (cipher & WPA_CIPHER_CCMP) {
696 ret = os_snprintf(pos, end - pos, "%sCCMP",
697 pos == buf ? "" : " ");
698 if (ret < 0 || ret >= end - pos) {
705 if (cipher & WPA_CIPHER_GCMP) {
706 ret = os_snprintf(pos, end - pos, "%sGCMP",
707 pos == buf ? "" : " ");
708 if (ret < 0 || ret >= end - pos) {
715 if (cipher & WPA_CIPHER_TKIP) {
716 ret = os_snprintf(pos, end - pos, "%sTKIP",
717 pos == buf ? "" : " ");
718 if (ret < 0 || ret >= end - pos) {
725 if (cipher & WPA_CIPHER_WEP104) {
726 ret = os_snprintf(pos, end - pos, "%sWEP104",
727 pos == buf ? "" : " ");
728 if (ret < 0 || ret >= end - pos) {
735 if (cipher & WPA_CIPHER_WEP40) {
736 ret = os_snprintf(pos, end - pos, "%sWEP40",
737 pos == buf ? "" : " ");
738 if (ret < 0 || ret >= end - pos) {
745 if (cipher & WPA_CIPHER_NONE) {
746 ret = os_snprintf(pos, end - pos, "%sNONE",
747 pos == buf ? "" : " ");
748 if (ret < 0 || ret >= end - pos) {
757 #endif /* NO_CONFIG_WRITE */
760 static int wpa_config_parse_pairwise(const struct parse_data *data,
761 struct wpa_ssid *ssid, int line,
765 val = wpa_config_parse_cipher(line, value);
768 if (val & ~(WPA_CIPHER_CCMP | WPA_CIPHER_GCMP | WPA_CIPHER_TKIP |
770 wpa_printf(MSG_ERROR, "Line %d: not allowed pairwise cipher "
771 "(0x%x).", line, val);
775 wpa_printf(MSG_MSGDUMP, "pairwise: 0x%x", val);
776 ssid->pairwise_cipher = val;
781 #ifndef NO_CONFIG_WRITE
782 static char * wpa_config_write_pairwise(const struct parse_data *data,
783 struct wpa_ssid *ssid)
785 return wpa_config_write_cipher(ssid->pairwise_cipher);
787 #endif /* NO_CONFIG_WRITE */
790 static int wpa_config_parse_group(const struct parse_data *data,
791 struct wpa_ssid *ssid, int line,
795 val = wpa_config_parse_cipher(line, value);
798 if (val & ~(WPA_CIPHER_CCMP | WPA_CIPHER_GCMP | WPA_CIPHER_TKIP |
799 WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40)) {
800 wpa_printf(MSG_ERROR, "Line %d: not allowed group cipher "
801 "(0x%x).", line, val);
805 wpa_printf(MSG_MSGDUMP, "group: 0x%x", val);
806 ssid->group_cipher = val;
811 #ifndef NO_CONFIG_WRITE
812 static char * wpa_config_write_group(const struct parse_data *data,
813 struct wpa_ssid *ssid)
815 return wpa_config_write_cipher(ssid->group_cipher);
817 #endif /* NO_CONFIG_WRITE */
820 static int wpa_config_parse_auth_alg(const struct parse_data *data,
821 struct wpa_ssid *ssid, int line,
824 int val = 0, last, errors = 0;
825 char *start, *end, *buf;
827 buf = os_strdup(value);
832 while (*start != '\0') {
833 while (*start == ' ' || *start == '\t')
838 while (*end != ' ' && *end != '\t' && *end != '\0')
842 if (os_strcmp(start, "OPEN") == 0)
843 val |= WPA_AUTH_ALG_OPEN;
844 else if (os_strcmp(start, "SHARED") == 0)
845 val |= WPA_AUTH_ALG_SHARED;
846 else if (os_strcmp(start, "LEAP") == 0)
847 val |= WPA_AUTH_ALG_LEAP;
849 wpa_printf(MSG_ERROR, "Line %d: invalid auth_alg '%s'",
861 wpa_printf(MSG_ERROR,
862 "Line %d: no auth_alg values configured.", line);
866 wpa_printf(MSG_MSGDUMP, "auth_alg: 0x%x", val);
867 ssid->auth_alg = val;
868 return errors ? -1 : 0;
872 #ifndef NO_CONFIG_WRITE
873 static char * wpa_config_write_auth_alg(const struct parse_data *data,
874 struct wpa_ssid *ssid)
876 char *buf, *pos, *end;
879 pos = buf = os_zalloc(30);
884 if (ssid->auth_alg & WPA_AUTH_ALG_OPEN) {
885 ret = os_snprintf(pos, end - pos, "%sOPEN",
886 pos == buf ? "" : " ");
887 if (ret < 0 || ret >= end - pos) {
894 if (ssid->auth_alg & WPA_AUTH_ALG_SHARED) {
895 ret = os_snprintf(pos, end - pos, "%sSHARED",
896 pos == buf ? "" : " ");
897 if (ret < 0 || ret >= end - pos) {
904 if (ssid->auth_alg & WPA_AUTH_ALG_LEAP) {
905 ret = os_snprintf(pos, end - pos, "%sLEAP",
906 pos == buf ? "" : " ");
907 if (ret < 0 || ret >= end - pos) {
916 #endif /* NO_CONFIG_WRITE */
919 static int * wpa_config_parse_freqs(const struct parse_data *data,
920 struct wpa_ssid *ssid, int line,
929 freqs = os_calloc(len + 1, sizeof(int));
940 n = os_realloc_array(freqs, len * 2 + 1, sizeof(int));
945 for (i = len; i <= len * 2; i++)
951 freqs[used] = atoi(pos);
952 if (freqs[used] == 0)
955 pos = os_strchr(pos + 1, ' ');
962 static int wpa_config_parse_scan_freq(const struct parse_data *data,
963 struct wpa_ssid *ssid, int line,
968 freqs = wpa_config_parse_freqs(data, ssid, line, value);
971 os_free(ssid->scan_freq);
972 ssid->scan_freq = freqs;
978 static int wpa_config_parse_freq_list(const struct parse_data *data,
979 struct wpa_ssid *ssid, int line,
984 freqs = wpa_config_parse_freqs(data, ssid, line, value);
987 os_free(ssid->freq_list);
988 ssid->freq_list = freqs;
994 #ifndef NO_CONFIG_WRITE
995 static char * wpa_config_write_freqs(const struct parse_data *data,
998 char *buf, *pos, *end;
1006 for (i = 0; freqs[i]; i++)
1009 pos = buf = os_zalloc(10 * count + 1);
1012 end = buf + 10 * count + 1;
1014 for (i = 0; freqs[i]; i++) {
1015 ret = os_snprintf(pos, end - pos, "%s%u",
1016 i == 0 ? "" : " ", freqs[i]);
1017 if (ret < 0 || ret >= end - pos) {
1028 static char * wpa_config_write_scan_freq(const struct parse_data *data,
1029 struct wpa_ssid *ssid)
1031 return wpa_config_write_freqs(data, ssid->scan_freq);
1035 static char * wpa_config_write_freq_list(const struct parse_data *data,
1036 struct wpa_ssid *ssid)
1038 return wpa_config_write_freqs(data, ssid->freq_list);
1040 #endif /* NO_CONFIG_WRITE */
1043 #ifdef IEEE8021X_EAPOL
1044 static int wpa_config_parse_eap(const struct parse_data *data,
1045 struct wpa_ssid *ssid, int line,
1048 int last, errors = 0;
1049 char *start, *end, *buf;
1050 struct eap_method_type *methods = NULL, *tmp;
1051 size_t num_methods = 0;
1053 buf = os_strdup(value);
1058 while (*start != '\0') {
1059 while (*start == ' ' || *start == '\t')
1064 while (*end != ' ' && *end != '\t' && *end != '\0')
1066 last = *end == '\0';
1069 methods = os_realloc_array(methods, num_methods + 1,
1071 if (methods == NULL) {
1076 methods[num_methods].method = eap_peer_get_type(
1077 start, &methods[num_methods].vendor);
1078 if (methods[num_methods].vendor == EAP_VENDOR_IETF &&
1079 methods[num_methods].method == EAP_TYPE_NONE) {
1080 wpa_printf(MSG_ERROR, "Line %d: unknown EAP method "
1081 "'%s'", line, start);
1082 wpa_printf(MSG_ERROR, "You may need to add support for"
1083 " this EAP method during wpa_supplicant\n"
1084 "build time configuration.\n"
1085 "See README for more information.");
1087 } else if (methods[num_methods].vendor == EAP_VENDOR_IETF &&
1088 methods[num_methods].method == EAP_TYPE_LEAP)
1100 methods = os_realloc_array(methods, num_methods + 1, sizeof(*methods));
1101 if (methods == NULL) {
1105 methods[num_methods].vendor = EAP_VENDOR_IETF;
1106 methods[num_methods].method = EAP_TYPE_NONE;
1109 wpa_hexdump(MSG_MSGDUMP, "eap methods",
1110 (u8 *) methods, num_methods * sizeof(*methods));
1111 os_free(ssid->eap.eap_methods);
1112 ssid->eap.eap_methods = methods;
1113 return errors ? -1 : 0;
1117 static char * wpa_config_write_eap(const struct parse_data *data,
1118 struct wpa_ssid *ssid)
1121 char *buf, *pos, *end;
1122 const struct eap_method_type *eap_methods = ssid->eap.eap_methods;
1125 if (eap_methods == NULL)
1128 pos = buf = os_zalloc(100);
1133 for (i = 0; eap_methods[i].vendor != EAP_VENDOR_IETF ||
1134 eap_methods[i].method != EAP_TYPE_NONE; i++) {
1135 name = eap_get_name(eap_methods[i].vendor,
1136 eap_methods[i].method);
1138 ret = os_snprintf(pos, end - pos, "%s%s",
1139 pos == buf ? "" : " ", name);
1140 if (ret < 0 || ret >= end - pos)
1152 static int wpa_config_parse_password(const struct parse_data *data,
1153 struct wpa_ssid *ssid, int line,
1158 if (os_strcmp(value, "NULL") == 0) {
1159 wpa_printf(MSG_DEBUG, "Unset configuration string 'password'");
1160 os_free(ssid->eap.password);
1161 ssid->eap.password = NULL;
1162 ssid->eap.password_len = 0;
1166 #ifdef CONFIG_EXT_PASSWORD
1167 if (os_strncmp(value, "ext:", 4) == 0) {
1168 char *name = os_strdup(value + 4);
1171 os_free(ssid->eap.password);
1172 ssid->eap.password = (u8 *) name;
1173 ssid->eap.password_len = os_strlen(name);
1174 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_PASSWORD_NTHASH;
1175 ssid->eap.flags |= EAP_CONFIG_FLAGS_EXT_PASSWORD;
1178 #endif /* CONFIG_EXT_PASSWORD */
1180 if (os_strncmp(value, "hash:", 5) != 0) {
1184 tmp = wpa_config_parse_string(value, &res_len);
1186 wpa_printf(MSG_ERROR, "Line %d: failed to parse "
1190 wpa_hexdump_ascii_key(MSG_MSGDUMP, data->name,
1191 (u8 *) tmp, res_len);
1193 os_free(ssid->eap.password);
1194 ssid->eap.password = (u8 *) tmp;
1195 ssid->eap.password_len = res_len;
1196 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_PASSWORD_NTHASH;
1197 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_EXT_PASSWORD;
1203 /* NtPasswordHash: hash:<32 hex digits> */
1204 if (os_strlen(value + 5) != 2 * 16) {
1205 wpa_printf(MSG_ERROR, "Line %d: Invalid password hash length "
1206 "(expected 32 hex digits)", line);
1210 hash = os_malloc(16);
1214 if (hexstr2bin(value + 5, hash, 16)) {
1216 wpa_printf(MSG_ERROR, "Line %d: Invalid password hash", line);
1220 wpa_hexdump_key(MSG_MSGDUMP, data->name, hash, 16);
1222 os_free(ssid->eap.password);
1223 ssid->eap.password = hash;
1224 ssid->eap.password_len = 16;
1225 ssid->eap.flags |= EAP_CONFIG_FLAGS_PASSWORD_NTHASH;
1226 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_EXT_PASSWORD;
1232 static char * wpa_config_write_password(const struct parse_data *data,
1233 struct wpa_ssid *ssid)
1237 if (ssid->eap.password == NULL)
1240 #ifdef CONFIG_EXT_PASSWORD
1241 if (ssid->eap.flags & EAP_CONFIG_FLAGS_EXT_PASSWORD) {
1242 buf = os_zalloc(4 + ssid->eap.password_len + 1);
1245 os_memcpy(buf, "ext:", 4);
1246 os_memcpy(buf + 4, ssid->eap.password, ssid->eap.password_len);
1249 #endif /* CONFIG_EXT_PASSWORD */
1251 if (!(ssid->eap.flags & EAP_CONFIG_FLAGS_PASSWORD_NTHASH)) {
1252 return wpa_config_write_string(
1253 ssid->eap.password, ssid->eap.password_len);
1256 buf = os_malloc(5 + 32 + 1);
1260 os_memcpy(buf, "hash:", 5);
1261 wpa_snprintf_hex(buf + 5, 32 + 1, ssid->eap.password, 16);
1265 #endif /* IEEE8021X_EAPOL */
1268 static int wpa_config_parse_wep_key(u8 *key, size_t *len, int line,
1269 const char *value, int idx)
1271 char *buf, title[20];
1274 buf = wpa_config_parse_string(value, len);
1276 wpa_printf(MSG_ERROR, "Line %d: Invalid WEP key %d '%s'.",
1280 if (*len > MAX_WEP_KEY_LEN) {
1281 wpa_printf(MSG_ERROR, "Line %d: Too long WEP key %d '%s'.",
1286 if (*len && *len != 5 && *len != 13 && *len != 16) {
1287 wpa_printf(MSG_ERROR, "Line %d: Invalid WEP key length %u - "
1288 "this network block will be ignored",
1289 line, (unsigned int) *len);
1291 os_memcpy(key, buf, *len);
1293 res = os_snprintf(title, sizeof(title), "wep_key%d", idx);
1294 if (res >= 0 && (size_t) res < sizeof(title))
1295 wpa_hexdump_key(MSG_MSGDUMP, title, key, *len);
1300 static int wpa_config_parse_wep_key0(const struct parse_data *data,
1301 struct wpa_ssid *ssid, int line,
1304 return wpa_config_parse_wep_key(ssid->wep_key[0],
1305 &ssid->wep_key_len[0], line,
1310 static int wpa_config_parse_wep_key1(const struct parse_data *data,
1311 struct wpa_ssid *ssid, int line,
1314 return wpa_config_parse_wep_key(ssid->wep_key[1],
1315 &ssid->wep_key_len[1], line,
1320 static int wpa_config_parse_wep_key2(const struct parse_data *data,
1321 struct wpa_ssid *ssid, int line,
1324 return wpa_config_parse_wep_key(ssid->wep_key[2],
1325 &ssid->wep_key_len[2], line,
1330 static int wpa_config_parse_wep_key3(const struct parse_data *data,
1331 struct wpa_ssid *ssid, int line,
1334 return wpa_config_parse_wep_key(ssid->wep_key[3],
1335 &ssid->wep_key_len[3], line,
1340 #ifndef NO_CONFIG_WRITE
1341 static char * wpa_config_write_wep_key(struct wpa_ssid *ssid, int idx)
1343 if (ssid->wep_key_len[idx] == 0)
1345 return wpa_config_write_string(ssid->wep_key[idx],
1346 ssid->wep_key_len[idx]);
1350 static char * wpa_config_write_wep_key0(const struct parse_data *data,
1351 struct wpa_ssid *ssid)
1353 return wpa_config_write_wep_key(ssid, 0);
1357 static char * wpa_config_write_wep_key1(const struct parse_data *data,
1358 struct wpa_ssid *ssid)
1360 return wpa_config_write_wep_key(ssid, 1);
1364 static char * wpa_config_write_wep_key2(const struct parse_data *data,
1365 struct wpa_ssid *ssid)
1367 return wpa_config_write_wep_key(ssid, 2);
1371 static char * wpa_config_write_wep_key3(const struct parse_data *data,
1372 struct wpa_ssid *ssid)
1374 return wpa_config_write_wep_key(ssid, 3);
1376 #endif /* NO_CONFIG_WRITE */
1381 static int wpa_config_parse_p2p_client_list(const struct parse_data *data,
1382 struct wpa_ssid *ssid, int line,
1386 u8 *buf, *n, addr[ETH_ALEN];
1393 while (pos && *pos) {
1397 if (hwaddr_aton(pos, addr)) {
1399 wpa_printf(MSG_ERROR, "Line %d: Invalid "
1400 "p2p_client_list address '%s'.",
1405 /* continue anyway since this could have been from a
1406 * truncated configuration file line */
1407 wpa_printf(MSG_INFO, "Line %d: Ignore likely "
1408 "truncated p2p_client_list address '%s'",
1411 n = os_realloc_array(buf, count + 1, ETH_ALEN);
1417 os_memmove(buf + ETH_ALEN, buf, count * ETH_ALEN);
1418 os_memcpy(buf, addr, ETH_ALEN);
1420 wpa_hexdump(MSG_MSGDUMP, "p2p_client_list",
1424 pos = os_strchr(pos, ' ');
1427 os_free(ssid->p2p_client_list);
1428 ssid->p2p_client_list = buf;
1429 ssid->num_p2p_clients = count;
1435 #ifndef NO_CONFIG_WRITE
1436 static char * wpa_config_write_p2p_client_list(const struct parse_data *data,
1437 struct wpa_ssid *ssid)
1439 char *value, *end, *pos;
1443 if (ssid->p2p_client_list == NULL || ssid->num_p2p_clients == 0)
1446 value = os_malloc(20 * ssid->num_p2p_clients);
1450 end = value + 20 * ssid->num_p2p_clients;
1452 for (i = ssid->num_p2p_clients; i > 0; i--) {
1453 res = os_snprintf(pos, end - pos, MACSTR " ",
1454 MAC2STR(ssid->p2p_client_list +
1455 (i - 1) * ETH_ALEN));
1456 if (res < 0 || res >= end - pos) {
1468 #endif /* NO_CONFIG_WRITE */
1470 #endif /* CONFIG_P2P */
1472 /* Helper macros for network block parser */
1477 /* OFFSET: Get offset of a variable within the wpa_ssid structure */
1478 #define OFFSET(v) ((void *) &((struct wpa_ssid *) 0)->v)
1480 /* STR: Define a string variable for an ASCII string; f = field name */
1481 #ifdef NO_CONFIG_WRITE
1482 #define _STR(f) #f, wpa_config_parse_str, OFFSET(f)
1483 #define _STRe(f) #f, wpa_config_parse_str, OFFSET(eap.f)
1484 #else /* NO_CONFIG_WRITE */
1485 #define _STR(f) #f, wpa_config_parse_str, wpa_config_write_str, OFFSET(f)
1486 #define _STRe(f) #f, wpa_config_parse_str, wpa_config_write_str, OFFSET(eap.f)
1487 #endif /* NO_CONFIG_WRITE */
1488 #define STR(f) _STR(f), NULL, NULL, NULL, 0
1489 #define STRe(f) _STRe(f), NULL, NULL, NULL, 0
1490 #define STR_KEY(f) _STR(f), NULL, NULL, NULL, 1
1491 #define STR_KEYe(f) _STRe(f), NULL, NULL, NULL, 1
1493 /* STR_LEN: Define a string variable with a separate variable for storing the
1494 * data length. Unlike STR(), this can be used to store arbitrary binary data
1495 * (i.e., even nul termination character). */
1496 #define _STR_LEN(f) _STR(f), OFFSET(f ## _len)
1497 #define _STR_LENe(f) _STRe(f), OFFSET(eap.f ## _len)
1498 #define STR_LEN(f) _STR_LEN(f), NULL, NULL, 0
1499 #define STR_LENe(f) _STR_LENe(f), NULL, NULL, 0
1500 #define STR_LEN_KEY(f) _STR_LEN(f), NULL, NULL, 1
1502 /* STR_RANGE: Like STR_LEN(), but with minimum and maximum allowed length
1503 * explicitly specified. */
1504 #define _STR_RANGE(f, min, max) _STR_LEN(f), (void *) (min), (void *) (max)
1505 #define STR_RANGE(f, min, max) _STR_RANGE(f, min, max), 0
1506 #define STR_RANGE_KEY(f, min, max) _STR_RANGE(f, min, max), 1
1508 #ifdef NO_CONFIG_WRITE
1509 #define _INT(f) #f, wpa_config_parse_int, OFFSET(f), (void *) 0
1510 #define _INTe(f) #f, wpa_config_parse_int, OFFSET(eap.f), (void *) 0
1511 #else /* NO_CONFIG_WRITE */
1512 #define _INT(f) #f, wpa_config_parse_int, wpa_config_write_int, \
1513 OFFSET(f), (void *) 0
1514 #define _INTe(f) #f, wpa_config_parse_int, wpa_config_write_int, \
1515 OFFSET(eap.f), (void *) 0
1516 #endif /* NO_CONFIG_WRITE */
1518 /* INT: Define an integer variable */
1519 #define INT(f) _INT(f), NULL, NULL, 0
1520 #define INTe(f) _INTe(f), NULL, NULL, 0
1522 /* INT_RANGE: Define an integer variable with allowed value range */
1523 #define INT_RANGE(f, min, max) _INT(f), (void *) (min), (void *) (max), 0
1525 /* FUNC: Define a configuration variable that uses a custom function for
1526 * parsing and writing the value. */
1527 #ifdef NO_CONFIG_WRITE
1528 #define _FUNC(f) #f, wpa_config_parse_ ## f, NULL, NULL, NULL, NULL
1529 #else /* NO_CONFIG_WRITE */
1530 #define _FUNC(f) #f, wpa_config_parse_ ## f, wpa_config_write_ ## f, \
1531 NULL, NULL, NULL, NULL
1532 #endif /* NO_CONFIG_WRITE */
1533 #define FUNC(f) _FUNC(f), 0
1534 #define FUNC_KEY(f) _FUNC(f), 1
1537 * Table of network configuration variables. This table is used to parse each
1538 * network configuration variable, e.g., each line in wpa_supplicant.conf file
1539 * that is inside a network block.
1541 * This table is generated using the helper macros defined above and with
1542 * generous help from the C pre-processor. The field name is stored as a string
1543 * into .name and for STR and INT types, the offset of the target buffer within
1544 * struct wpa_ssid is stored in .param1. .param2 (if not NULL) is similar
1545 * offset to the field containing the length of the configuration variable.
1546 * .param3 and .param4 can be used to mark the allowed range (length for STR
1547 * and value for INT).
1549 * For each configuration line in wpa_supplicant.conf, the parser goes through
1550 * this table and select the entry that matches with the field name. The parser
1551 * function (.parser) is then called to parse the actual value of the field.
1553 * This kind of mechanism makes it easy to add new configuration parameters,
1554 * since only one line needs to be added into this table and into the
1555 * struct wpa_ssid definition if the new variable is either a string or
1556 * integer. More complex types will need to use their own parser and writer
1559 static const struct parse_data ssid_fields[] = {
1560 { STR_RANGE(ssid, 0, MAX_SSID_LEN) },
1561 { INT_RANGE(scan_ssid, 0, 1) },
1566 { INT(bg_scan_period) },
1570 { FUNC(scan_freq) },
1571 { FUNC(freq_list) },
1572 #ifdef IEEE8021X_EAPOL
1574 { STR_LENe(identity) },
1575 { STR_LENe(anonymous_identity) },
1576 { FUNC_KEY(password) },
1579 { STRe(client_cert) },
1580 { STRe(private_key) },
1581 { STR_KEYe(private_key_passwd) },
1583 { STRe(subject_match) },
1584 { STRe(altsubject_match) },
1587 { STRe(client_cert2) },
1588 { STRe(private_key2) },
1589 { STR_KEYe(private_key2_passwd) },
1591 { STRe(subject_match2) },
1592 { STRe(altsubject_match2) },
1597 { STRe(engine_id) },
1600 { STRe(ca_cert_id) },
1602 { STRe(engine2_id) },
1605 { STRe(ca_cert2_id) },
1608 { INT(eapol_flags) },
1609 #endif /* IEEE8021X_EAPOL */
1610 { FUNC_KEY(wep_key0) },
1611 { FUNC_KEY(wep_key1) },
1612 { FUNC_KEY(wep_key2) },
1613 { FUNC_KEY(wep_key3) },
1614 { INT(wep_tx_keyidx) },
1616 #ifdef IEEE8021X_EAPOL
1617 { INT(eap_workaround) },
1619 { INTe(fragment_size) },
1620 #endif /* IEEE8021X_EAPOL */
1621 { INT_RANGE(mode, 0, 4) },
1622 { INT_RANGE(proactive_key_caching, 0, 1) },
1623 { INT_RANGE(disabled, 0, 2) },
1625 #ifdef CONFIG_IEEE80211W
1626 { INT_RANGE(ieee80211w, 0, 2) },
1627 #endif /* CONFIG_IEEE80211W */
1628 { INT_RANGE(peerkey, 0, 1) },
1629 { INT_RANGE(mixed_cell, 0, 1) },
1630 { INT_RANGE(frequency, 0, 65000) },
1631 { INT(wpa_ptk_rekey) },
1633 { INT_RANGE(ignore_broadcast_ssid, 0, 2) },
1635 { FUNC(p2p_client_list) },
1636 #endif /* CONFIG_P2P */
1637 #ifdef CONFIG_HT_OVERRIDES
1638 { INT_RANGE(disable_ht, 0, 1) },
1639 { INT_RANGE(disable_ht40, -1, 1) },
1640 { INT_RANGE(disable_sgi, 0, 1) },
1641 { INT_RANGE(disable_max_amsdu, -1, 1) },
1642 { INT_RANGE(ampdu_factor, -1, 3) },
1643 { INT_RANGE(ampdu_density, -1, 7) },
1645 #endif /* CONFIG_HT_OVERRIDES */
1646 { INT(ap_max_inactivity) },
1647 { INT(dtim_period) },
1659 #undef STR_RANGE_KEY
1666 #define NUM_SSID_FIELDS (sizeof(ssid_fields) / sizeof(ssid_fields[0]))
1670 * wpa_config_add_prio_network - Add a network to priority lists
1671 * @config: Configuration data from wpa_config_read()
1672 * @ssid: Pointer to the network configuration to be added to the list
1673 * Returns: 0 on success, -1 on failure
1675 * This function is used to add a network block to the priority list of
1676 * networks. This must be called for each network when reading in the full
1677 * configuration. In addition, this can be used indirectly when updating
1678 * priorities by calling wpa_config_update_prio_list().
1680 int wpa_config_add_prio_network(struct wpa_config *config,
1681 struct wpa_ssid *ssid)
1684 struct wpa_ssid *prev, **nlist;
1687 * Add to an existing priority list if one is available for the
1688 * configured priority level for this network.
1690 for (prio = 0; prio < config->num_prio; prio++) {
1691 prev = config->pssid[prio];
1692 if (prev->priority == ssid->priority) {
1700 /* First network for this priority - add a new priority list */
1701 nlist = os_realloc_array(config->pssid, config->num_prio + 1,
1702 sizeof(struct wpa_ssid *));
1706 for (prio = 0; prio < config->num_prio; prio++) {
1707 if (nlist[prio]->priority < ssid->priority) {
1708 os_memmove(&nlist[prio + 1], &nlist[prio],
1709 (config->num_prio - prio) *
1710 sizeof(struct wpa_ssid *));
1717 config->pssid = nlist;
1724 * wpa_config_update_prio_list - Update network priority list
1725 * @config: Configuration data from wpa_config_read()
1726 * Returns: 0 on success, -1 on failure
1728 * This function is called to update the priority list of networks in the
1729 * configuration when a network is being added or removed. This is also called
1730 * if a priority for a network is changed.
1732 int wpa_config_update_prio_list(struct wpa_config *config)
1734 struct wpa_ssid *ssid;
1737 os_free(config->pssid);
1738 config->pssid = NULL;
1739 config->num_prio = 0;
1741 ssid = config->ssid;
1744 if (wpa_config_add_prio_network(config, ssid) < 0)
1753 #ifdef IEEE8021X_EAPOL
1754 static void eap_peer_config_free(struct eap_peer_config *eap)
1756 os_free(eap->eap_methods);
1757 os_free(eap->identity);
1758 os_free(eap->anonymous_identity);
1759 os_free(eap->password);
1760 os_free(eap->ca_cert);
1761 os_free(eap->ca_path);
1762 os_free(eap->client_cert);
1763 os_free(eap->private_key);
1764 os_free(eap->private_key_passwd);
1765 os_free(eap->dh_file);
1766 os_free(eap->subject_match);
1767 os_free(eap->altsubject_match);
1768 os_free(eap->ca_cert2);
1769 os_free(eap->ca_path2);
1770 os_free(eap->client_cert2);
1771 os_free(eap->private_key2);
1772 os_free(eap->private_key2_passwd);
1773 os_free(eap->dh_file2);
1774 os_free(eap->subject_match2);
1775 os_free(eap->altsubject_match2);
1776 os_free(eap->phase1);
1777 os_free(eap->phase2);
1780 os_free(eap->engine_id);
1781 os_free(eap->key_id);
1782 os_free(eap->cert_id);
1783 os_free(eap->ca_cert_id);
1784 os_free(eap->key2_id);
1785 os_free(eap->cert2_id);
1786 os_free(eap->ca_cert2_id);
1788 os_free(eap->engine2_id);
1790 os_free(eap->pending_req_otp);
1791 os_free(eap->pac_file);
1792 os_free(eap->new_password);
1794 #endif /* IEEE8021X_EAPOL */
1798 * wpa_config_free_ssid - Free network/ssid configuration data
1799 * @ssid: Configuration data for the network
1801 * This function frees all resources allocated for the network configuration
1804 void wpa_config_free_ssid(struct wpa_ssid *ssid)
1806 os_free(ssid->ssid);
1807 os_free(ssid->passphrase);
1808 os_free(ssid->ext_psk);
1809 #ifdef IEEE8021X_EAPOL
1810 eap_peer_config_free(&ssid->eap);
1811 #endif /* IEEE8021X_EAPOL */
1812 os_free(ssid->id_str);
1813 os_free(ssid->scan_freq);
1814 os_free(ssid->freq_list);
1815 os_free(ssid->bgscan);
1816 os_free(ssid->p2p_client_list);
1817 #ifdef CONFIG_HT_OVERRIDES
1818 os_free(ssid->ht_mcs);
1819 #endif /* CONFIG_HT_OVERRIDES */
1824 void wpa_config_free_cred(struct wpa_cred *cred)
1826 os_free(cred->realm);
1827 os_free(cred->username);
1828 os_free(cred->password);
1829 os_free(cred->ca_cert);
1830 os_free(cred->client_cert);
1831 os_free(cred->private_key);
1832 os_free(cred->private_key_passwd);
1833 os_free(cred->imsi);
1834 os_free(cred->milenage);
1835 os_free(cred->domain);
1836 os_free(cred->eap_method);
1837 os_free(cred->phase1);
1838 os_free(cred->phase2);
1839 os_free(cred->excluded_ssid);
1845 * wpa_config_free - Free configuration data
1846 * @config: Configuration data from wpa_config_read()
1848 * This function frees all resources allocated for the configuration data by
1849 * wpa_config_read().
1851 void wpa_config_free(struct wpa_config *config)
1853 #ifndef CONFIG_NO_CONFIG_BLOBS
1854 struct wpa_config_blob *blob, *prevblob;
1855 #endif /* CONFIG_NO_CONFIG_BLOBS */
1856 struct wpa_ssid *ssid, *prev = NULL;
1857 struct wpa_cred *cred, *cprev;
1859 ssid = config->ssid;
1863 wpa_config_free_ssid(prev);
1866 cred = config->cred;
1870 wpa_config_free_cred(cprev);
1873 #ifndef CONFIG_NO_CONFIG_BLOBS
1874 blob = config->blobs;
1879 wpa_config_free_blob(prevblob);
1881 #endif /* CONFIG_NO_CONFIG_BLOBS */
1883 wpabuf_free(config->wps_vendor_ext_m1);
1884 os_free(config->ctrl_interface);
1885 os_free(config->ctrl_interface_group);
1886 os_free(config->opensc_engine_path);
1887 os_free(config->pkcs11_engine_path);
1888 os_free(config->pkcs11_module_path);
1889 os_free(config->pcsc_reader);
1890 os_free(config->pcsc_pin);
1891 os_free(config->driver_param);
1892 os_free(config->device_name);
1893 os_free(config->manufacturer);
1894 os_free(config->model_name);
1895 os_free(config->model_number);
1896 os_free(config->serial_number);
1897 os_free(config->config_methods);
1898 os_free(config->p2p_ssid_postfix);
1899 os_free(config->pssid);
1900 os_free(config->p2p_pref_chan);
1901 os_free(config->autoscan);
1902 wpabuf_free(config->wps_nfc_dh_pubkey);
1903 wpabuf_free(config->wps_nfc_dh_privkey);
1904 wpabuf_free(config->wps_nfc_dev_pw);
1905 os_free(config->ext_password_backend);
1911 * wpa_config_foreach_network - Iterate over each configured network
1912 * @config: Configuration data from wpa_config_read()
1913 * @func: Callback function to process each network
1914 * @arg: Opaque argument to pass to callback function
1916 * Iterate over the set of configured networks calling the specified
1917 * function for each item. We guard against callbacks removing the
1920 void wpa_config_foreach_network(struct wpa_config *config,
1921 void (*func)(void *, struct wpa_ssid *),
1924 struct wpa_ssid *ssid, *next;
1926 ssid = config->ssid;
1936 * wpa_config_get_network - Get configured network based on id
1937 * @config: Configuration data from wpa_config_read()
1938 * @id: Unique network id to search for
1939 * Returns: Network configuration or %NULL if not found
1941 struct wpa_ssid * wpa_config_get_network(struct wpa_config *config, int id)
1943 struct wpa_ssid *ssid;
1945 ssid = config->ssid;
1957 * wpa_config_add_network - Add a new network with empty configuration
1958 * @config: Configuration data from wpa_config_read()
1959 * Returns: The new network configuration or %NULL if operation failed
1961 struct wpa_ssid * wpa_config_add_network(struct wpa_config *config)
1964 struct wpa_ssid *ssid, *last = NULL;
1967 ssid = config->ssid;
1976 ssid = os_zalloc(sizeof(*ssid));
1983 config->ssid = ssid;
1985 wpa_config_update_prio_list(config);
1992 * wpa_config_remove_network - Remove a configured network based on id
1993 * @config: Configuration data from wpa_config_read()
1994 * @id: Unique network id to search for
1995 * Returns: 0 on success, or -1 if the network was not found
1997 int wpa_config_remove_network(struct wpa_config *config, int id)
1999 struct wpa_ssid *ssid, *prev = NULL;
2001 ssid = config->ssid;
2013 prev->next = ssid->next;
2015 config->ssid = ssid->next;
2017 wpa_config_update_prio_list(config);
2018 wpa_config_free_ssid(ssid);
2024 * wpa_config_set_network_defaults - Set network default values
2025 * @ssid: Pointer to network configuration data
2027 void wpa_config_set_network_defaults(struct wpa_ssid *ssid)
2029 ssid->proto = DEFAULT_PROTO;
2030 ssid->pairwise_cipher = DEFAULT_PAIRWISE;
2031 ssid->group_cipher = DEFAULT_GROUP;
2032 ssid->key_mgmt = DEFAULT_KEY_MGMT;
2033 ssid->bg_scan_period = DEFAULT_BG_SCAN_PERIOD;
2034 #ifdef IEEE8021X_EAPOL
2035 ssid->eapol_flags = DEFAULT_EAPOL_FLAGS;
2036 ssid->eap_workaround = DEFAULT_EAP_WORKAROUND;
2037 ssid->eap.fragment_size = DEFAULT_FRAGMENT_SIZE;
2038 #endif /* IEEE8021X_EAPOL */
2039 #ifdef CONFIG_HT_OVERRIDES
2040 ssid->disable_ht = DEFAULT_DISABLE_HT;
2041 ssid->disable_ht40 = DEFAULT_DISABLE_HT40;
2042 ssid->disable_sgi = DEFAULT_DISABLE_SGI;
2043 ssid->disable_max_amsdu = DEFAULT_DISABLE_MAX_AMSDU;
2044 ssid->ampdu_factor = DEFAULT_AMPDU_FACTOR;
2045 ssid->ampdu_density = DEFAULT_AMPDU_DENSITY;
2046 #endif /* CONFIG_HT_OVERRIDES */
2047 ssid->proactive_key_caching = -1;
2048 #ifdef CONFIG_IEEE80211W
2049 ssid->ieee80211w = MGMT_FRAME_PROTECTION_DEFAULT;
2050 #endif /* CONFIG_IEEE80211W */
2055 * wpa_config_set - Set a variable in network configuration
2056 * @ssid: Pointer to network configuration data
2057 * @var: Variable name, e.g., "ssid"
2058 * @value: Variable value
2059 * @line: Line number in configuration file or 0 if not used
2060 * Returns: 0 on success, -1 on failure
2062 * This function can be used to set network configuration variables based on
2063 * both the configuration file and management interface input. The value
2064 * parameter must be in the same format as the text-based configuration file is
2065 * using. For example, strings are using double quotation marks.
2067 int wpa_config_set(struct wpa_ssid *ssid, const char *var, const char *value,
2073 if (ssid == NULL || var == NULL || value == NULL)
2076 for (i = 0; i < NUM_SSID_FIELDS; i++) {
2077 const struct parse_data *field = &ssid_fields[i];
2078 if (os_strcmp(var, field->name) != 0)
2081 if (field->parser(field, ssid, line, value)) {
2083 wpa_printf(MSG_ERROR, "Line %d: failed to "
2084 "parse %s '%s'.", line, var, value);
2090 if (i == NUM_SSID_FIELDS) {
2092 wpa_printf(MSG_ERROR, "Line %d: unknown network field "
2093 "'%s'.", line, var);
2102 int wpa_config_set_quoted(struct wpa_ssid *ssid, const char *var,
2109 len = os_strlen(value);
2110 buf = os_malloc(len + 3);
2114 os_memcpy(buf + 1, value, len);
2116 buf[len + 2] = '\0';
2117 ret = wpa_config_set(ssid, var, buf, 0);
2124 * wpa_config_get_all - Get all options from network configuration
2125 * @ssid: Pointer to network configuration data
2126 * @get_keys: Determines if keys/passwords will be included in returned list
2127 * (if they may be exported)
2128 * Returns: %NULL terminated list of all set keys and their values in the form
2129 * of [key1, val1, key2, val2, ... , NULL]
2131 * This function can be used to get list of all configured network properties.
2132 * The caller is responsible for freeing the returned list and all its
2135 char ** wpa_config_get_all(struct wpa_ssid *ssid, int get_keys)
2137 const struct parse_data *field;
2143 get_keys = get_keys && ssid->export_keys;
2145 props = os_calloc(2 * NUM_SSID_FIELDS + 1, sizeof(char *));
2150 for (i = 0; i < NUM_SSID_FIELDS; i++) {
2151 field = &ssid_fields[i];
2152 if (field->key_data && !get_keys)
2154 value = field->writer(field, ssid);
2157 if (os_strlen(value) == 0) {
2162 key = os_strdup(field->name);
2168 props[fields_num * 2] = key;
2169 props[fields_num * 2 + 1] = value;
2185 #ifndef NO_CONFIG_WRITE
2187 * wpa_config_get - Get a variable in network configuration
2188 * @ssid: Pointer to network configuration data
2189 * @var: Variable name, e.g., "ssid"
2190 * Returns: Value of the variable or %NULL on failure
2192 * This function can be used to get network configuration variables. The
2193 * returned value is a copy of the configuration variable in text format, i.e,.
2194 * the same format that the text-based configuration file and wpa_config_set()
2195 * are using for the value. The caller is responsible for freeing the returned
2198 char * wpa_config_get(struct wpa_ssid *ssid, const char *var)
2202 if (ssid == NULL || var == NULL)
2205 for (i = 0; i < NUM_SSID_FIELDS; i++) {
2206 const struct parse_data *field = &ssid_fields[i];
2207 if (os_strcmp(var, field->name) == 0)
2208 return field->writer(field, ssid);
2216 * wpa_config_get_no_key - Get a variable in network configuration (no keys)
2217 * @ssid: Pointer to network configuration data
2218 * @var: Variable name, e.g., "ssid"
2219 * Returns: Value of the variable or %NULL on failure
2221 * This function can be used to get network configuration variable like
2222 * wpa_config_get(). The only difference is that this functions does not expose
2223 * key/password material from the configuration. In case a key/password field
2224 * is requested, the returned value is an empty string or %NULL if the variable
2225 * is not set or "*" if the variable is set (regardless of its value). The
2226 * returned value is a copy of the configuration variable in text format, i.e,.
2227 * the same format that the text-based configuration file and wpa_config_set()
2228 * are using for the value. The caller is responsible for freeing the returned
2231 char * wpa_config_get_no_key(struct wpa_ssid *ssid, const char *var)
2235 if (ssid == NULL || var == NULL)
2238 for (i = 0; i < NUM_SSID_FIELDS; i++) {
2239 const struct parse_data *field = &ssid_fields[i];
2240 if (os_strcmp(var, field->name) == 0) {
2241 char *res = field->writer(field, ssid);
2242 if (field->key_data) {
2243 if (res && res[0]) {
2244 wpa_printf(MSG_DEBUG, "Do not allow "
2245 "key_data field to be "
2248 return os_strdup("*");
2260 #endif /* NO_CONFIG_WRITE */
2264 * wpa_config_update_psk - Update WPA PSK based on passphrase and SSID
2265 * @ssid: Pointer to network configuration data
2267 * This function must be called to update WPA PSK when either SSID or the
2268 * passphrase has changed for the network configuration.
2270 void wpa_config_update_psk(struct wpa_ssid *ssid)
2272 #ifndef CONFIG_NO_PBKDF2
2273 pbkdf2_sha1(ssid->passphrase, ssid->ssid, ssid->ssid_len, 4096,
2274 ssid->psk, PMK_LEN);
2275 wpa_hexdump_key(MSG_MSGDUMP, "PSK (from passphrase)",
2276 ssid->psk, PMK_LEN);
2278 #endif /* CONFIG_NO_PBKDF2 */
2282 int wpa_config_set_cred(struct wpa_cred *cred, const char *var,
2283 const char *value, int line)
2288 if (os_strcmp(var, "priority") == 0) {
2289 cred->priority = atoi(value);
2293 if (os_strcmp(var, "pcsc") == 0) {
2294 cred->pcsc = atoi(value);
2298 if (os_strcmp(var, "eap") == 0) {
2299 struct eap_method_type method;
2300 method.method = eap_peer_get_type(value, &method.vendor);
2301 if (method.vendor == EAP_VENDOR_IETF &&
2302 method.method == EAP_TYPE_NONE) {
2303 wpa_printf(MSG_ERROR, "Line %d: unknown EAP type '%s' "
2304 "for a credential", line, value);
2307 os_free(cred->eap_method);
2308 cred->eap_method = os_malloc(sizeof(*cred->eap_method));
2309 if (cred->eap_method == NULL)
2311 os_memcpy(cred->eap_method, &method, sizeof(method));
2315 if (os_strcmp(var, "password") == 0 &&
2316 os_strncmp(value, "ext:", 4) == 0) {
2317 os_free(cred->password);
2318 cred->password = os_strdup(value);
2319 cred->ext_password = 1;
2323 val = wpa_config_parse_string(value, &len);
2325 wpa_printf(MSG_ERROR, "Line %d: invalid field '%s' string "
2326 "value '%s'.", line, var, value);
2330 if (os_strcmp(var, "realm") == 0) {
2331 os_free(cred->realm);
2336 if (os_strcmp(var, "username") == 0) {
2337 os_free(cred->username);
2338 cred->username = val;
2342 if (os_strcmp(var, "password") == 0) {
2343 os_free(cred->password);
2344 cred->password = val;
2345 cred->ext_password = 0;
2349 if (os_strcmp(var, "ca_cert") == 0) {
2350 os_free(cred->ca_cert);
2351 cred->ca_cert = val;
2355 if (os_strcmp(var, "client_cert") == 0) {
2356 os_free(cred->client_cert);
2357 cred->client_cert = val;
2361 if (os_strcmp(var, "private_key") == 0) {
2362 os_free(cred->private_key);
2363 cred->private_key = val;
2367 if (os_strcmp(var, "private_key_passwd") == 0) {
2368 os_free(cred->private_key_passwd);
2369 cred->private_key_passwd = val;
2373 if (os_strcmp(var, "imsi") == 0) {
2374 os_free(cred->imsi);
2379 if (os_strcmp(var, "milenage") == 0) {
2380 os_free(cred->milenage);
2381 cred->milenage = val;
2385 if (os_strcmp(var, "domain") == 0) {
2386 os_free(cred->domain);
2391 if (os_strcmp(var, "phase1") == 0) {
2392 os_free(cred->phase1);
2397 if (os_strcmp(var, "phase2") == 0) {
2398 os_free(cred->phase2);
2403 if (os_strcmp(var, "roaming_consortium") == 0) {
2404 if (len < 3 || len > sizeof(cred->roaming_consortium)) {
2405 wpa_printf(MSG_ERROR, "Line %d: invalid "
2406 "roaming_consortium length %d (3..15 "
2407 "expected)", line, (int) len);
2411 os_memcpy(cred->roaming_consortium, val, len);
2412 cred->roaming_consortium_len = len;
2417 if (os_strcmp(var, "excluded_ssid") == 0) {
2418 struct excluded_ssid *e;
2420 if (len > MAX_SSID_LEN) {
2421 wpa_printf(MSG_ERROR, "Line %d: invalid "
2422 "excluded_ssid length %d", line, (int) len);
2427 e = os_realloc_array(cred->excluded_ssid,
2428 cred->num_excluded_ssid + 1,
2429 sizeof(struct excluded_ssid));
2434 cred->excluded_ssid = e;
2436 e = &cred->excluded_ssid[cred->num_excluded_ssid++];
2437 os_memcpy(e->ssid, val, len);
2446 wpa_printf(MSG_ERROR, "Line %d: unknown cred field '%s'.",
2456 struct wpa_cred * wpa_config_get_cred(struct wpa_config *config, int id)
2458 struct wpa_cred *cred;
2460 cred = config->cred;
2471 struct wpa_cred * wpa_config_add_cred(struct wpa_config *config)
2474 struct wpa_cred *cred, *last = NULL;
2477 cred = config->cred;
2486 cred = os_zalloc(sizeof(*cred));
2493 config->cred = cred;
2499 int wpa_config_remove_cred(struct wpa_config *config, int id)
2501 struct wpa_cred *cred, *prev = NULL;
2503 cred = config->cred;
2515 prev->next = cred->next;
2517 config->cred = cred->next;
2519 wpa_config_free_cred(cred);
2524 #ifndef CONFIG_NO_CONFIG_BLOBS
2526 * wpa_config_get_blob - Get a named configuration blob
2527 * @config: Configuration data from wpa_config_read()
2528 * @name: Name of the blob
2529 * Returns: Pointer to blob data or %NULL if not found
2531 const struct wpa_config_blob * wpa_config_get_blob(struct wpa_config *config,
2534 struct wpa_config_blob *blob = config->blobs;
2537 if (os_strcmp(blob->name, name) == 0)
2546 * wpa_config_set_blob - Set or add a named configuration blob
2547 * @config: Configuration data from wpa_config_read()
2548 * @blob: New value for the blob
2550 * Adds a new configuration blob or replaces the current value of an existing
2553 void wpa_config_set_blob(struct wpa_config *config,
2554 struct wpa_config_blob *blob)
2556 wpa_config_remove_blob(config, blob->name);
2557 blob->next = config->blobs;
2558 config->blobs = blob;
2563 * wpa_config_free_blob - Free blob data
2564 * @blob: Pointer to blob to be freed
2566 void wpa_config_free_blob(struct wpa_config_blob *blob)
2569 os_free(blob->name);
2570 os_free(blob->data);
2577 * wpa_config_remove_blob - Remove a named configuration blob
2578 * @config: Configuration data from wpa_config_read()
2579 * @name: Name of the blob to remove
2580 * Returns: 0 if blob was removed or -1 if blob was not found
2582 int wpa_config_remove_blob(struct wpa_config *config, const char *name)
2584 struct wpa_config_blob *pos = config->blobs, *prev = NULL;
2587 if (os_strcmp(pos->name, name) == 0) {
2589 prev->next = pos->next;
2591 config->blobs = pos->next;
2592 wpa_config_free_blob(pos);
2601 #endif /* CONFIG_NO_CONFIG_BLOBS */
2605 * wpa_config_alloc_empty - Allocate an empty configuration
2606 * @ctrl_interface: Control interface parameters, e.g., path to UNIX domain
2608 * @driver_param: Driver parameters
2609 * Returns: Pointer to allocated configuration data or %NULL on failure
2611 struct wpa_config * wpa_config_alloc_empty(const char *ctrl_interface,
2612 const char *driver_param)
2614 struct wpa_config *config;
2615 const int aCWmin = 4, aCWmax = 10;
2616 const struct hostapd_wmm_ac_params ac_bk =
2617 { aCWmin, aCWmax, 7, 0, 0 }; /* background traffic */
2618 const struct hostapd_wmm_ac_params ac_be =
2619 { aCWmin, aCWmax, 3, 0, 0 }; /* best effort traffic */
2620 const struct hostapd_wmm_ac_params ac_vi = /* video traffic */
2621 { aCWmin - 1, aCWmin, 2, 3000 / 32, 0 };
2622 const struct hostapd_wmm_ac_params ac_vo = /* voice traffic */
2623 { aCWmin - 2, aCWmin - 1, 2, 1500 / 32, 0 };
2625 config = os_zalloc(sizeof(*config));
2628 config->eapol_version = DEFAULT_EAPOL_VERSION;
2629 config->ap_scan = DEFAULT_AP_SCAN;
2630 config->fast_reauth = DEFAULT_FAST_REAUTH;
2631 config->p2p_go_intent = DEFAULT_P2P_GO_INTENT;
2632 config->p2p_intra_bss = DEFAULT_P2P_INTRA_BSS;
2633 config->p2p_go_max_inactivity = DEFAULT_P2P_GO_MAX_INACTIVITY;
2634 config->bss_max_count = DEFAULT_BSS_MAX_COUNT;
2635 config->bss_expiration_age = DEFAULT_BSS_EXPIRATION_AGE;
2636 config->bss_expiration_scan_count = DEFAULT_BSS_EXPIRATION_SCAN_COUNT;
2637 config->max_num_sta = DEFAULT_MAX_NUM_STA;
2638 config->access_network_type = DEFAULT_ACCESS_NETWORK_TYPE;
2639 config->wmm_ac_params[0] = ac_be;
2640 config->wmm_ac_params[1] = ac_bk;
2641 config->wmm_ac_params[2] = ac_vi;
2642 config->wmm_ac_params[3] = ac_vo;
2645 config->ctrl_interface = os_strdup(ctrl_interface);
2647 config->driver_param = os_strdup(driver_param);
2653 #ifndef CONFIG_NO_STDOUT_DEBUG
2655 * wpa_config_debug_dump_networks - Debug dump of configured networks
2656 * @config: Configuration data from wpa_config_read()
2658 void wpa_config_debug_dump_networks(struct wpa_config *config)
2661 struct wpa_ssid *ssid;
2663 for (prio = 0; prio < config->num_prio; prio++) {
2664 ssid = config->pssid[prio];
2665 wpa_printf(MSG_DEBUG, "Priority group %d",
2668 wpa_printf(MSG_DEBUG, " id=%d ssid='%s'",
2670 wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
2675 #endif /* CONFIG_NO_STDOUT_DEBUG */
2678 struct global_parse_data {
2680 int (*parser)(const struct global_parse_data *data,
2681 struct wpa_config *config, int line, const char *value);
2682 void *param1, *param2, *param3;
2683 unsigned int changed_flag;
2687 static int wpa_global_config_parse_int(const struct global_parse_data *data,
2688 struct wpa_config *config, int line,
2692 dst = (int *) (((u8 *) config) + (long) data->param1);
2694 wpa_printf(MSG_DEBUG, "%s=%d", data->name, *dst);
2696 if (data->param2 && *dst < (long) data->param2) {
2697 wpa_printf(MSG_ERROR, "Line %d: too small %s (value=%d "
2698 "min_value=%ld)", line, data->name, *dst,
2699 (long) data->param2);
2700 *dst = (long) data->param2;
2704 if (data->param3 && *dst > (long) data->param3) {
2705 wpa_printf(MSG_ERROR, "Line %d: too large %s (value=%d "
2706 "max_value=%ld)", line, data->name, *dst,
2707 (long) data->param3);
2708 *dst = (long) data->param3;
2716 static int wpa_global_config_parse_str(const struct global_parse_data *data,
2717 struct wpa_config *config, int line,
2723 len = os_strlen(pos);
2724 if (data->param2 && len < (size_t) data->param2) {
2725 wpa_printf(MSG_ERROR, "Line %d: too short %s (len=%lu "
2726 "min_len=%ld)", line, data->name,
2727 (unsigned long) len, (long) data->param2);
2731 if (data->param3 && len > (size_t) data->param3) {
2732 wpa_printf(MSG_ERROR, "Line %d: too long %s (len=%lu "
2733 "max_len=%ld)", line, data->name,
2734 (unsigned long) len, (long) data->param3);
2738 tmp = os_strdup(pos);
2742 dst = (char **) (((u8 *) config) + (long) data->param1);
2745 wpa_printf(MSG_DEBUG, "%s='%s'", data->name, *dst);
2751 static int wpa_global_config_parse_bin(const struct global_parse_data *data,
2752 struct wpa_config *config, int line,
2756 struct wpabuf **dst, *tmp;
2758 len = os_strlen(pos);
2762 tmp = wpabuf_alloc(len / 2);
2766 if (hexstr2bin(pos, wpabuf_put(tmp, len / 2), len / 2)) {
2771 dst = (struct wpabuf **) (((u8 *) config) + (long) data->param1);
2774 wpa_printf(MSG_DEBUG, "%s", data->name);
2780 static int wpa_config_process_country(const struct global_parse_data *data,
2781 struct wpa_config *config, int line,
2784 if (!pos[0] || !pos[1]) {
2785 wpa_printf(MSG_DEBUG, "Invalid country set");
2788 config->country[0] = pos[0];
2789 config->country[1] = pos[1];
2790 wpa_printf(MSG_DEBUG, "country='%c%c'",
2791 config->country[0], config->country[1]);
2796 static int wpa_config_process_load_dynamic_eap(
2797 const struct global_parse_data *data, struct wpa_config *config,
2798 int line, const char *so)
2801 wpa_printf(MSG_DEBUG, "load_dynamic_eap=%s", so);
2802 ret = eap_peer_method_load(so);
2804 wpa_printf(MSG_DEBUG, "This EAP type was already loaded - not "
2807 wpa_printf(MSG_ERROR, "Line %d: Failed to load dynamic EAP "
2808 "method '%s'.", line, so);
2818 static int wpa_config_process_uuid(const struct global_parse_data *data,
2819 struct wpa_config *config, int line,
2823 if (uuid_str2bin(pos, config->uuid)) {
2824 wpa_printf(MSG_ERROR, "Line %d: invalid UUID", line);
2827 uuid_bin2str(config->uuid, buf, sizeof(buf));
2828 wpa_printf(MSG_DEBUG, "uuid=%s", buf);
2833 static int wpa_config_process_device_type(
2834 const struct global_parse_data *data,
2835 struct wpa_config *config, int line, const char *pos)
2837 return wps_dev_type_str2bin(pos, config->device_type);
2841 static int wpa_config_process_os_version(const struct global_parse_data *data,
2842 struct wpa_config *config, int line,
2845 if (hexstr2bin(pos, config->os_version, 4)) {
2846 wpa_printf(MSG_ERROR, "Line %d: invalid os_version", line);
2849 wpa_printf(MSG_DEBUG, "os_version=%08x",
2850 WPA_GET_BE32(config->os_version));
2855 static int wpa_config_process_wps_vendor_ext_m1(
2856 const struct global_parse_data *data,
2857 struct wpa_config *config, int line, const char *pos)
2860 int len = os_strlen(pos) / 2;
2864 wpa_printf(MSG_ERROR, "Line %d: "
2865 "invalid wps_vendor_ext_m1", line);
2869 tmp = wpabuf_alloc(len);
2871 p = wpabuf_put(tmp, len);
2873 if (hexstr2bin(pos, p, len)) {
2874 wpa_printf(MSG_ERROR, "Line %d: "
2875 "invalid wps_vendor_ext_m1", line);
2880 wpabuf_free(config->wps_vendor_ext_m1);
2881 config->wps_vendor_ext_m1 = tmp;
2883 wpa_printf(MSG_ERROR, "Can not allocate "
2884 "memory for wps_vendor_ext_m1");
2891 #endif /* CONFIG_WPS */
2894 static int wpa_config_process_sec_device_type(
2895 const struct global_parse_data *data,
2896 struct wpa_config *config, int line, const char *pos)
2900 if (config->num_sec_device_types >= MAX_SEC_DEVICE_TYPES) {
2901 wpa_printf(MSG_ERROR, "Line %d: too many sec_device_type "
2906 idx = config->num_sec_device_types;
2908 if (wps_dev_type_str2bin(pos, config->sec_device_type[idx]))
2911 config->num_sec_device_types++;
2916 static int wpa_config_process_p2p_pref_chan(
2917 const struct global_parse_data *data,
2918 struct wpa_config *config, int line, const char *pos)
2920 struct p2p_channel *pref = NULL, *n;
2921 unsigned int num = 0;
2925 /* format: class:chan,class:chan,... */
2928 op_class = atoi(pos);
2929 pos2 = os_strchr(pos, ':');
2935 n = os_realloc_array(pref, num + 1,
2936 sizeof(struct p2p_channel));
2940 pref[num].op_class = op_class;
2941 pref[num].chan = chan;
2944 pos = os_strchr(pos2, ',');
2950 os_free(config->p2p_pref_chan);
2951 config->p2p_pref_chan = pref;
2952 config->num_p2p_pref_chan = num;
2953 wpa_hexdump(MSG_DEBUG, "P2P: Preferred class/channel pairs",
2954 (u8 *) config->p2p_pref_chan,
2955 config->num_p2p_pref_chan * sizeof(struct p2p_channel));
2961 wpa_printf(MSG_ERROR, "Line %d: Invalid p2p_pref_chan list", line);
2964 #endif /* CONFIG_P2P */
2967 static int wpa_config_process_hessid(
2968 const struct global_parse_data *data,
2969 struct wpa_config *config, int line, const char *pos)
2971 if (hwaddr_aton2(pos, config->hessid) < 0) {
2972 wpa_printf(MSG_ERROR, "Line %d: Invalid hessid '%s'",
2984 /* OFFSET: Get offset of a variable within the wpa_config structure */
2985 #define OFFSET(v) ((void *) &((struct wpa_config *) 0)->v)
2987 #define FUNC(f) #f, wpa_config_process_ ## f, OFFSET(f), NULL, NULL
2988 #define FUNC_NO_VAR(f) #f, wpa_config_process_ ## f, NULL, NULL, NULL
2989 #define _INT(f) #f, wpa_global_config_parse_int, OFFSET(f)
2990 #define INT(f) _INT(f), NULL, NULL
2991 #define INT_RANGE(f, min, max) _INT(f), (void *) min, (void *) max
2992 #define _STR(f) #f, wpa_global_config_parse_str, OFFSET(f)
2993 #define STR(f) _STR(f), NULL, NULL
2994 #define STR_RANGE(f, min, max) _STR(f), (void *) min, (void *) max
2995 #define BIN(f) #f, wpa_global_config_parse_bin, OFFSET(f), NULL, NULL
2997 static const struct global_parse_data global_fields[] = {
2998 #ifdef CONFIG_CTRL_IFACE
2999 { STR(ctrl_interface), 0 },
3000 { STR(ctrl_interface_group), 0 } /* deprecated */,
3001 #endif /* CONFIG_CTRL_IFACE */
3002 { INT_RANGE(eapol_version, 1, 2), 0 },
3003 { INT(ap_scan), 0 },
3004 { INT(disable_scan_offload), 0 },
3005 { INT(fast_reauth), 0 },
3006 { STR(opensc_engine_path), 0 },
3007 { STR(pkcs11_engine_path), 0 },
3008 { STR(pkcs11_module_path), 0 },
3009 { STR(pcsc_reader), 0 },
3010 { STR(pcsc_pin), 0 },
3011 { STR(driver_param), 0 },
3012 { INT(dot11RSNAConfigPMKLifetime), 0 },
3013 { INT(dot11RSNAConfigPMKReauthThreshold), 0 },
3014 { INT(dot11RSNAConfigSATimeout), 0 },
3015 #ifndef CONFIG_NO_CONFIG_WRITE
3016 { INT(update_config), 0 },
3017 #endif /* CONFIG_NO_CONFIG_WRITE */
3018 { FUNC_NO_VAR(load_dynamic_eap), 0 },
3020 { FUNC(uuid), CFG_CHANGED_UUID },
3021 { STR_RANGE(device_name, 0, 32), CFG_CHANGED_DEVICE_NAME },
3022 { STR_RANGE(manufacturer, 0, 64), CFG_CHANGED_WPS_STRING },
3023 { STR_RANGE(model_name, 0, 32), CFG_CHANGED_WPS_STRING },
3024 { STR_RANGE(model_number, 0, 32), CFG_CHANGED_WPS_STRING },
3025 { STR_RANGE(serial_number, 0, 32), CFG_CHANGED_WPS_STRING },
3026 { FUNC(device_type), CFG_CHANGED_DEVICE_TYPE },
3027 { FUNC(os_version), CFG_CHANGED_OS_VERSION },
3028 { STR(config_methods), CFG_CHANGED_CONFIG_METHODS },
3029 { INT_RANGE(wps_cred_processing, 0, 2), 0 },
3030 { FUNC(wps_vendor_ext_m1), CFG_CHANGED_VENDOR_EXTENSION },
3031 #endif /* CONFIG_WPS */
3033 { FUNC(sec_device_type), CFG_CHANGED_SEC_DEVICE_TYPE },
3034 { INT(p2p_listen_reg_class), 0 },
3035 { INT(p2p_listen_channel), 0 },
3036 { INT(p2p_oper_reg_class), 0 },
3037 { INT(p2p_oper_channel), 0 },
3038 { INT_RANGE(p2p_go_intent, 0, 15), 0 },
3039 { STR(p2p_ssid_postfix), CFG_CHANGED_P2P_SSID_POSTFIX },
3040 { INT_RANGE(persistent_reconnect, 0, 1), 0 },
3041 { INT_RANGE(p2p_intra_bss, 0, 1), CFG_CHANGED_P2P_INTRA_BSS },
3042 { INT(p2p_group_idle), 0 },
3043 { FUNC(p2p_pref_chan), CFG_CHANGED_P2P_PREF_CHAN },
3044 { INT(p2p_go_ht40), 0 },
3045 { INT(p2p_disabled), 0 },
3046 { INT(p2p_no_group_iface), 0 },
3047 #endif /* CONFIG_P2P */
3048 { FUNC(country), CFG_CHANGED_COUNTRY },
3049 { INT(bss_max_count), 0 },
3050 { INT(bss_expiration_age), 0 },
3051 { INT(bss_expiration_scan_count), 0 },
3052 { INT_RANGE(filter_ssids, 0, 1), 0 },
3053 { INT_RANGE(filter_rssi, -100, 0), 0 },
3054 { INT(max_num_sta), 0 },
3055 { INT_RANGE(disassoc_low_ack, 0, 1), 0 },
3057 { INT_RANGE(hs20, 0, 1), 0 },
3058 #endif /* CONFIG_HS20 */
3059 { INT_RANGE(interworking, 0, 1), 0 },
3060 { FUNC(hessid), 0 },
3061 { INT_RANGE(access_network_type, 0, 15), 0 },
3062 { INT_RANGE(pbc_in_m1, 0, 1), 0 },
3063 { STR(autoscan), 0 },
3064 { INT_RANGE(wps_nfc_dev_pw_id, 0x10, 0xffff), 0 },
3065 { BIN(wps_nfc_dh_pubkey), 0 },
3066 { BIN(wps_nfc_dh_privkey), 0 },
3067 { BIN(wps_nfc_dev_pw), 0 },
3068 { STR(ext_password_backend), CFG_CHANGED_EXT_PW_BACKEND },
3069 { INT(p2p_go_max_inactivity), 0 },
3070 { INT_RANGE(auto_interworking, 0, 1), 0 },
3083 #define NUM_GLOBAL_FIELDS (sizeof(global_fields) / sizeof(global_fields[0]))
3086 int wpa_config_process_global(struct wpa_config *config, char *pos, int line)
3091 for (i = 0; i < NUM_GLOBAL_FIELDS; i++) {
3092 const struct global_parse_data *field = &global_fields[i];
3093 size_t flen = os_strlen(field->name);
3094 if (os_strncmp(pos, field->name, flen) != 0 ||
3098 if (field->parser(field, config, line, pos + flen + 1)) {
3099 wpa_printf(MSG_ERROR, "Line %d: failed to "
3100 "parse '%s'.", line, pos);
3103 config->changed_parameters |= field->changed_flag;
3106 if (i == NUM_GLOBAL_FIELDS) {
3108 if (os_strncmp(pos, "wmm_ac_", 7) == 0) {
3109 char *tmp = os_strchr(pos, '=');
3113 wpa_printf(MSG_ERROR, "Line %d: invalid line "
3118 if (hostapd_config_wmm_ac(config->wmm_ac_params, pos,
3120 wpa_printf(MSG_ERROR, "Line %d: invalid WMM "
3125 #endif /* CONFIG_AP */
3128 wpa_printf(MSG_ERROR, "Line %d: unknown global field '%s'.",