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 wpa_printf(MSG_ERROR, "Line %d: invalid key_mgmt '%s'",
520 wpa_printf(MSG_ERROR,
521 "Line %d: no key_mgmt values configured.", line);
525 wpa_printf(MSG_MSGDUMP, "key_mgmt: 0x%x", val);
526 ssid->key_mgmt = val;
527 return errors ? -1 : 0;
531 #ifndef NO_CONFIG_WRITE
532 static char * wpa_config_write_key_mgmt(const struct parse_data *data,
533 struct wpa_ssid *ssid)
535 char *buf, *pos, *end;
538 pos = buf = os_zalloc(50);
543 if (ssid->key_mgmt & WPA_KEY_MGMT_PSK) {
544 ret = os_snprintf(pos, end - pos, "%sWPA-PSK",
545 pos == buf ? "" : " ");
546 if (ret < 0 || ret >= end - pos) {
553 if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
554 ret = os_snprintf(pos, end - pos, "%sWPA-EAP",
555 pos == buf ? "" : " ");
556 if (ret < 0 || ret >= end - pos) {
563 if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
564 ret = os_snprintf(pos, end - pos, "%sIEEE8021X",
565 pos == buf ? "" : " ");
566 if (ret < 0 || ret >= end - pos) {
573 if (ssid->key_mgmt & WPA_KEY_MGMT_NONE) {
574 ret = os_snprintf(pos, end - pos, "%sNONE",
575 pos == buf ? "" : " ");
576 if (ret < 0 || ret >= end - pos) {
583 if (ssid->key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
584 ret = os_snprintf(pos, end - pos, "%sWPA-NONE",
585 pos == buf ? "" : " ");
586 if (ret < 0 || ret >= end - pos) {
593 #ifdef CONFIG_IEEE80211R
594 if (ssid->key_mgmt & WPA_KEY_MGMT_FT_PSK)
595 pos += os_snprintf(pos, end - pos, "%sFT-PSK",
596 pos == buf ? "" : " ");
598 if (ssid->key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X)
599 pos += os_snprintf(pos, end - pos, "%sFT-EAP",
600 pos == buf ? "" : " ");
601 #endif /* CONFIG_IEEE80211R */
603 #ifdef CONFIG_IEEE80211W
604 if (ssid->key_mgmt & WPA_KEY_MGMT_PSK_SHA256)
605 pos += os_snprintf(pos, end - pos, "%sWPA-PSK-SHA256",
606 pos == buf ? "" : " ");
608 if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256)
609 pos += os_snprintf(pos, end - pos, "%sWPA-EAP-SHA256",
610 pos == buf ? "" : " ");
611 #endif /* CONFIG_IEEE80211W */
614 if (ssid->key_mgmt & WPA_KEY_MGMT_WPS)
615 pos += os_snprintf(pos, end - pos, "%sWPS",
616 pos == buf ? "" : " ");
617 #endif /* CONFIG_WPS */
621 #endif /* NO_CONFIG_WRITE */
624 static int wpa_config_parse_cipher(int line, const char *value)
627 char *start, *end, *buf;
629 buf = os_strdup(value);
634 while (*start != '\0') {
635 while (*start == ' ' || *start == '\t')
640 while (*end != ' ' && *end != '\t' && *end != '\0')
644 if (os_strcmp(start, "CCMP") == 0)
645 val |= WPA_CIPHER_CCMP;
646 else if (os_strcmp(start, "TKIP") == 0)
647 val |= WPA_CIPHER_TKIP;
648 else if (os_strcmp(start, "WEP104") == 0)
649 val |= WPA_CIPHER_WEP104;
650 else if (os_strcmp(start, "WEP40") == 0)
651 val |= WPA_CIPHER_WEP40;
652 else if (os_strcmp(start, "NONE") == 0)
653 val |= WPA_CIPHER_NONE;
655 wpa_printf(MSG_ERROR, "Line %d: invalid cipher '%s'.",
668 wpa_printf(MSG_ERROR, "Line %d: no cipher values configured.",
676 #ifndef NO_CONFIG_WRITE
677 static char * wpa_config_write_cipher(int cipher)
679 char *buf, *pos, *end;
682 pos = buf = os_zalloc(50);
687 if (cipher & WPA_CIPHER_CCMP) {
688 ret = os_snprintf(pos, end - pos, "%sCCMP",
689 pos == buf ? "" : " ");
690 if (ret < 0 || ret >= end - pos) {
697 if (cipher & WPA_CIPHER_TKIP) {
698 ret = os_snprintf(pos, end - pos, "%sTKIP",
699 pos == buf ? "" : " ");
700 if (ret < 0 || ret >= end - pos) {
707 if (cipher & WPA_CIPHER_WEP104) {
708 ret = os_snprintf(pos, end - pos, "%sWEP104",
709 pos == buf ? "" : " ");
710 if (ret < 0 || ret >= end - pos) {
717 if (cipher & WPA_CIPHER_WEP40) {
718 ret = os_snprintf(pos, end - pos, "%sWEP40",
719 pos == buf ? "" : " ");
720 if (ret < 0 || ret >= end - pos) {
727 if (cipher & WPA_CIPHER_NONE) {
728 ret = os_snprintf(pos, end - pos, "%sNONE",
729 pos == buf ? "" : " ");
730 if (ret < 0 || ret >= end - pos) {
739 #endif /* NO_CONFIG_WRITE */
742 static int wpa_config_parse_pairwise(const struct parse_data *data,
743 struct wpa_ssid *ssid, int line,
747 val = wpa_config_parse_cipher(line, value);
750 if (val & ~(WPA_CIPHER_CCMP | WPA_CIPHER_TKIP | WPA_CIPHER_NONE)) {
751 wpa_printf(MSG_ERROR, "Line %d: not allowed pairwise cipher "
752 "(0x%x).", line, val);
756 wpa_printf(MSG_MSGDUMP, "pairwise: 0x%x", val);
757 ssid->pairwise_cipher = val;
762 #ifndef NO_CONFIG_WRITE
763 static char * wpa_config_write_pairwise(const struct parse_data *data,
764 struct wpa_ssid *ssid)
766 return wpa_config_write_cipher(ssid->pairwise_cipher);
768 #endif /* NO_CONFIG_WRITE */
771 static int wpa_config_parse_group(const struct parse_data *data,
772 struct wpa_ssid *ssid, int line,
776 val = wpa_config_parse_cipher(line, value);
779 if (val & ~(WPA_CIPHER_CCMP | WPA_CIPHER_TKIP | WPA_CIPHER_WEP104 |
781 wpa_printf(MSG_ERROR, "Line %d: not allowed group cipher "
782 "(0x%x).", line, val);
786 wpa_printf(MSG_MSGDUMP, "group: 0x%x", val);
787 ssid->group_cipher = val;
792 #ifndef NO_CONFIG_WRITE
793 static char * wpa_config_write_group(const struct parse_data *data,
794 struct wpa_ssid *ssid)
796 return wpa_config_write_cipher(ssid->group_cipher);
798 #endif /* NO_CONFIG_WRITE */
801 static int wpa_config_parse_auth_alg(const struct parse_data *data,
802 struct wpa_ssid *ssid, int line,
805 int val = 0, last, errors = 0;
806 char *start, *end, *buf;
808 buf = os_strdup(value);
813 while (*start != '\0') {
814 while (*start == ' ' || *start == '\t')
819 while (*end != ' ' && *end != '\t' && *end != '\0')
823 if (os_strcmp(start, "OPEN") == 0)
824 val |= WPA_AUTH_ALG_OPEN;
825 else if (os_strcmp(start, "SHARED") == 0)
826 val |= WPA_AUTH_ALG_SHARED;
827 else if (os_strcmp(start, "LEAP") == 0)
828 val |= WPA_AUTH_ALG_LEAP;
830 wpa_printf(MSG_ERROR, "Line %d: invalid auth_alg '%s'",
842 wpa_printf(MSG_ERROR,
843 "Line %d: no auth_alg values configured.", line);
847 wpa_printf(MSG_MSGDUMP, "auth_alg: 0x%x", val);
848 ssid->auth_alg = val;
849 return errors ? -1 : 0;
853 #ifndef NO_CONFIG_WRITE
854 static char * wpa_config_write_auth_alg(const struct parse_data *data,
855 struct wpa_ssid *ssid)
857 char *buf, *pos, *end;
860 pos = buf = os_zalloc(30);
865 if (ssid->auth_alg & WPA_AUTH_ALG_OPEN) {
866 ret = os_snprintf(pos, end - pos, "%sOPEN",
867 pos == buf ? "" : " ");
868 if (ret < 0 || ret >= end - pos) {
875 if (ssid->auth_alg & WPA_AUTH_ALG_SHARED) {
876 ret = os_snprintf(pos, end - pos, "%sSHARED",
877 pos == buf ? "" : " ");
878 if (ret < 0 || ret >= end - pos) {
885 if (ssid->auth_alg & WPA_AUTH_ALG_LEAP) {
886 ret = os_snprintf(pos, end - pos, "%sLEAP",
887 pos == buf ? "" : " ");
888 if (ret < 0 || ret >= end - pos) {
897 #endif /* NO_CONFIG_WRITE */
900 static int * wpa_config_parse_freqs(const struct parse_data *data,
901 struct wpa_ssid *ssid, int line,
910 freqs = os_calloc(len + 1, sizeof(int));
921 n = os_realloc(freqs, (len * 2 + 1) * sizeof(int));
926 for (i = len; i <= len * 2; i++)
932 freqs[used] = atoi(pos);
933 if (freqs[used] == 0)
936 pos = os_strchr(pos + 1, ' ');
943 static int wpa_config_parse_scan_freq(const struct parse_data *data,
944 struct wpa_ssid *ssid, int line,
949 freqs = wpa_config_parse_freqs(data, ssid, line, value);
952 os_free(ssid->scan_freq);
953 ssid->scan_freq = freqs;
959 static int wpa_config_parse_freq_list(const struct parse_data *data,
960 struct wpa_ssid *ssid, int line,
965 freqs = wpa_config_parse_freqs(data, ssid, line, value);
968 os_free(ssid->freq_list);
969 ssid->freq_list = freqs;
975 #ifndef NO_CONFIG_WRITE
976 static char * wpa_config_write_freqs(const struct parse_data *data,
979 char *buf, *pos, *end;
987 for (i = 0; freqs[i]; i++)
990 pos = buf = os_zalloc(10 * count + 1);
993 end = buf + 10 * count + 1;
995 for (i = 0; freqs[i]; i++) {
996 ret = os_snprintf(pos, end - pos, "%s%u",
997 i == 0 ? "" : " ", freqs[i]);
998 if (ret < 0 || ret >= end - pos) {
1009 static char * wpa_config_write_scan_freq(const struct parse_data *data,
1010 struct wpa_ssid *ssid)
1012 return wpa_config_write_freqs(data, ssid->scan_freq);
1016 static char * wpa_config_write_freq_list(const struct parse_data *data,
1017 struct wpa_ssid *ssid)
1019 return wpa_config_write_freqs(data, ssid->freq_list);
1021 #endif /* NO_CONFIG_WRITE */
1024 #ifdef IEEE8021X_EAPOL
1025 static int wpa_config_parse_eap(const struct parse_data *data,
1026 struct wpa_ssid *ssid, int line,
1029 int last, errors = 0;
1030 char *start, *end, *buf;
1031 struct eap_method_type *methods = NULL, *tmp;
1032 size_t num_methods = 0;
1034 buf = os_strdup(value);
1039 while (*start != '\0') {
1040 while (*start == ' ' || *start == '\t')
1045 while (*end != ' ' && *end != '\t' && *end != '\0')
1047 last = *end == '\0';
1050 methods = os_realloc(methods,
1051 (num_methods + 1) * sizeof(*methods));
1052 if (methods == NULL) {
1057 methods[num_methods].method = eap_peer_get_type(
1058 start, &methods[num_methods].vendor);
1059 if (methods[num_methods].vendor == EAP_VENDOR_IETF &&
1060 methods[num_methods].method == EAP_TYPE_NONE) {
1061 wpa_printf(MSG_ERROR, "Line %d: unknown EAP method "
1062 "'%s'", line, start);
1063 wpa_printf(MSG_ERROR, "You may need to add support for"
1064 " this EAP method during wpa_supplicant\n"
1065 "build time configuration.\n"
1066 "See README for more information.");
1068 } else if (methods[num_methods].vendor == EAP_VENDOR_IETF &&
1069 methods[num_methods].method == EAP_TYPE_LEAP)
1081 methods = os_realloc(methods, (num_methods + 1) * sizeof(*methods));
1082 if (methods == NULL) {
1086 methods[num_methods].vendor = EAP_VENDOR_IETF;
1087 methods[num_methods].method = EAP_TYPE_NONE;
1090 wpa_hexdump(MSG_MSGDUMP, "eap methods",
1091 (u8 *) methods, num_methods * sizeof(*methods));
1092 os_free(ssid->eap.eap_methods);
1093 ssid->eap.eap_methods = methods;
1094 return errors ? -1 : 0;
1098 static char * wpa_config_write_eap(const struct parse_data *data,
1099 struct wpa_ssid *ssid)
1102 char *buf, *pos, *end;
1103 const struct eap_method_type *eap_methods = ssid->eap.eap_methods;
1106 if (eap_methods == NULL)
1109 pos = buf = os_zalloc(100);
1114 for (i = 0; eap_methods[i].vendor != EAP_VENDOR_IETF ||
1115 eap_methods[i].method != EAP_TYPE_NONE; i++) {
1116 name = eap_get_name(eap_methods[i].vendor,
1117 eap_methods[i].method);
1119 ret = os_snprintf(pos, end - pos, "%s%s",
1120 pos == buf ? "" : " ", name);
1121 if (ret < 0 || ret >= end - pos)
1133 static int wpa_config_parse_password(const struct parse_data *data,
1134 struct wpa_ssid *ssid, int line,
1139 if (os_strcmp(value, "NULL") == 0) {
1140 wpa_printf(MSG_DEBUG, "Unset configuration string 'password'");
1141 os_free(ssid->eap.password);
1142 ssid->eap.password = NULL;
1143 ssid->eap.password_len = 0;
1147 #ifdef CONFIG_EXT_PASSWORD
1148 if (os_strncmp(value, "ext:", 4) == 0) {
1149 char *name = os_strdup(value + 4);
1152 os_free(ssid->eap.password);
1153 ssid->eap.password = (u8 *) name;
1154 ssid->eap.password_len = os_strlen(name);
1155 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_PASSWORD_NTHASH;
1156 ssid->eap.flags |= EAP_CONFIG_FLAGS_EXT_PASSWORD;
1159 #endif /* CONFIG_EXT_PASSWORD */
1161 if (os_strncmp(value, "hash:", 5) != 0) {
1165 tmp = wpa_config_parse_string(value, &res_len);
1167 wpa_printf(MSG_ERROR, "Line %d: failed to parse "
1171 wpa_hexdump_ascii_key(MSG_MSGDUMP, data->name,
1172 (u8 *) tmp, res_len);
1174 os_free(ssid->eap.password);
1175 ssid->eap.password = (u8 *) tmp;
1176 ssid->eap.password_len = res_len;
1177 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_PASSWORD_NTHASH;
1178 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_EXT_PASSWORD;
1184 /* NtPasswordHash: hash:<32 hex digits> */
1185 if (os_strlen(value + 5) != 2 * 16) {
1186 wpa_printf(MSG_ERROR, "Line %d: Invalid password hash length "
1187 "(expected 32 hex digits)", line);
1191 hash = os_malloc(16);
1195 if (hexstr2bin(value + 5, hash, 16)) {
1197 wpa_printf(MSG_ERROR, "Line %d: Invalid password hash", line);
1201 wpa_hexdump_key(MSG_MSGDUMP, data->name, hash, 16);
1203 os_free(ssid->eap.password);
1204 ssid->eap.password = hash;
1205 ssid->eap.password_len = 16;
1206 ssid->eap.flags |= EAP_CONFIG_FLAGS_PASSWORD_NTHASH;
1207 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_EXT_PASSWORD;
1213 static char * wpa_config_write_password(const struct parse_data *data,
1214 struct wpa_ssid *ssid)
1218 if (ssid->eap.password == NULL)
1221 #ifdef CONFIG_EXT_PASSWORD
1222 if (ssid->eap.flags & EAP_CONFIG_FLAGS_EXT_PASSWORD) {
1223 buf = os_zalloc(4 + ssid->eap.password_len + 1);
1226 os_memcpy(buf, "ext:", 4);
1227 os_memcpy(buf + 4, ssid->eap.password, ssid->eap.password_len);
1230 #endif /* CONFIG_EXT_PASSWORD */
1232 if (!(ssid->eap.flags & EAP_CONFIG_FLAGS_PASSWORD_NTHASH)) {
1233 return wpa_config_write_string(
1234 ssid->eap.password, ssid->eap.password_len);
1237 buf = os_malloc(5 + 32 + 1);
1241 os_memcpy(buf, "hash:", 5);
1242 wpa_snprintf_hex(buf + 5, 32 + 1, ssid->eap.password, 16);
1246 #endif /* IEEE8021X_EAPOL */
1249 static int wpa_config_parse_wep_key(u8 *key, size_t *len, int line,
1250 const char *value, int idx)
1252 char *buf, title[20];
1255 buf = wpa_config_parse_string(value, len);
1257 wpa_printf(MSG_ERROR, "Line %d: Invalid WEP key %d '%s'.",
1261 if (*len > MAX_WEP_KEY_LEN) {
1262 wpa_printf(MSG_ERROR, "Line %d: Too long WEP key %d '%s'.",
1267 if (*len && *len != 5 && *len != 13 && *len != 16) {
1268 wpa_printf(MSG_ERROR, "Line %d: Invalid WEP key length %u - "
1269 "this network block will be ignored",
1270 line, (unsigned int) *len);
1272 os_memcpy(key, buf, *len);
1274 res = os_snprintf(title, sizeof(title), "wep_key%d", idx);
1275 if (res >= 0 && (size_t) res < sizeof(title))
1276 wpa_hexdump_key(MSG_MSGDUMP, title, key, *len);
1281 static int wpa_config_parse_wep_key0(const struct parse_data *data,
1282 struct wpa_ssid *ssid, int line,
1285 return wpa_config_parse_wep_key(ssid->wep_key[0],
1286 &ssid->wep_key_len[0], line,
1291 static int wpa_config_parse_wep_key1(const struct parse_data *data,
1292 struct wpa_ssid *ssid, int line,
1295 return wpa_config_parse_wep_key(ssid->wep_key[1],
1296 &ssid->wep_key_len[1], line,
1301 static int wpa_config_parse_wep_key2(const struct parse_data *data,
1302 struct wpa_ssid *ssid, int line,
1305 return wpa_config_parse_wep_key(ssid->wep_key[2],
1306 &ssid->wep_key_len[2], line,
1311 static int wpa_config_parse_wep_key3(const struct parse_data *data,
1312 struct wpa_ssid *ssid, int line,
1315 return wpa_config_parse_wep_key(ssid->wep_key[3],
1316 &ssid->wep_key_len[3], line,
1321 #ifndef NO_CONFIG_WRITE
1322 static char * wpa_config_write_wep_key(struct wpa_ssid *ssid, int idx)
1324 if (ssid->wep_key_len[idx] == 0)
1326 return wpa_config_write_string(ssid->wep_key[idx],
1327 ssid->wep_key_len[idx]);
1331 static char * wpa_config_write_wep_key0(const struct parse_data *data,
1332 struct wpa_ssid *ssid)
1334 return wpa_config_write_wep_key(ssid, 0);
1338 static char * wpa_config_write_wep_key1(const struct parse_data *data,
1339 struct wpa_ssid *ssid)
1341 return wpa_config_write_wep_key(ssid, 1);
1345 static char * wpa_config_write_wep_key2(const struct parse_data *data,
1346 struct wpa_ssid *ssid)
1348 return wpa_config_write_wep_key(ssid, 2);
1352 static char * wpa_config_write_wep_key3(const struct parse_data *data,
1353 struct wpa_ssid *ssid)
1355 return wpa_config_write_wep_key(ssid, 3);
1357 #endif /* NO_CONFIG_WRITE */
1362 static int wpa_config_parse_p2p_client_list(const struct parse_data *data,
1363 struct wpa_ssid *ssid, int line,
1367 u8 *buf, *n, addr[ETH_ALEN];
1374 while (pos && *pos) {
1378 if (hwaddr_aton(pos, addr)) {
1379 wpa_printf(MSG_ERROR, "Line %d: Invalid "
1380 "p2p_client_list address '%s'.",
1382 /* continue anyway */
1384 n = os_realloc(buf, (count + 1) * ETH_ALEN);
1390 os_memcpy(buf + count * ETH_ALEN, addr, ETH_ALEN);
1392 wpa_hexdump(MSG_MSGDUMP, "p2p_client_list",
1396 pos = os_strchr(pos, ' ');
1399 os_free(ssid->p2p_client_list);
1400 ssid->p2p_client_list = buf;
1401 ssid->num_p2p_clients = count;
1407 #ifndef NO_CONFIG_WRITE
1408 static char * wpa_config_write_p2p_client_list(const struct parse_data *data,
1409 struct wpa_ssid *ssid)
1411 char *value, *end, *pos;
1415 if (ssid->p2p_client_list == NULL || ssid->num_p2p_clients == 0)
1418 value = os_malloc(20 * ssid->num_p2p_clients);
1422 end = value + 20 * ssid->num_p2p_clients;
1424 for (i = 0; i < ssid->num_p2p_clients; i++) {
1425 res = os_snprintf(pos, end - pos, MACSTR " ",
1426 MAC2STR(ssid->p2p_client_list +
1428 if (res < 0 || res >= end - pos) {
1440 #endif /* NO_CONFIG_WRITE */
1442 #endif /* CONFIG_P2P */
1444 /* Helper macros for network block parser */
1449 /* OFFSET: Get offset of a variable within the wpa_ssid structure */
1450 #define OFFSET(v) ((void *) &((struct wpa_ssid *) 0)->v)
1452 /* STR: Define a string variable for an ASCII string; f = field name */
1453 #ifdef NO_CONFIG_WRITE
1454 #define _STR(f) #f, wpa_config_parse_str, OFFSET(f)
1455 #define _STRe(f) #f, wpa_config_parse_str, OFFSET(eap.f)
1456 #else /* NO_CONFIG_WRITE */
1457 #define _STR(f) #f, wpa_config_parse_str, wpa_config_write_str, OFFSET(f)
1458 #define _STRe(f) #f, wpa_config_parse_str, wpa_config_write_str, OFFSET(eap.f)
1459 #endif /* NO_CONFIG_WRITE */
1460 #define STR(f) _STR(f), NULL, NULL, NULL, 0
1461 #define STRe(f) _STRe(f), NULL, NULL, NULL, 0
1462 #define STR_KEY(f) _STR(f), NULL, NULL, NULL, 1
1463 #define STR_KEYe(f) _STRe(f), NULL, NULL, NULL, 1
1465 /* STR_LEN: Define a string variable with a separate variable for storing the
1466 * data length. Unlike STR(), this can be used to store arbitrary binary data
1467 * (i.e., even nul termination character). */
1468 #define _STR_LEN(f) _STR(f), OFFSET(f ## _len)
1469 #define _STR_LENe(f) _STRe(f), OFFSET(eap.f ## _len)
1470 #define STR_LEN(f) _STR_LEN(f), NULL, NULL, 0
1471 #define STR_LENe(f) _STR_LENe(f), NULL, NULL, 0
1472 #define STR_LEN_KEY(f) _STR_LEN(f), NULL, NULL, 1
1474 /* STR_RANGE: Like STR_LEN(), but with minimum and maximum allowed length
1475 * explicitly specified. */
1476 #define _STR_RANGE(f, min, max) _STR_LEN(f), (void *) (min), (void *) (max)
1477 #define STR_RANGE(f, min, max) _STR_RANGE(f, min, max), 0
1478 #define STR_RANGE_KEY(f, min, max) _STR_RANGE(f, min, max), 1
1480 #ifdef NO_CONFIG_WRITE
1481 #define _INT(f) #f, wpa_config_parse_int, OFFSET(f), (void *) 0
1482 #define _INTe(f) #f, wpa_config_parse_int, OFFSET(eap.f), (void *) 0
1483 #else /* NO_CONFIG_WRITE */
1484 #define _INT(f) #f, wpa_config_parse_int, wpa_config_write_int, \
1485 OFFSET(f), (void *) 0
1486 #define _INTe(f) #f, wpa_config_parse_int, wpa_config_write_int, \
1487 OFFSET(eap.f), (void *) 0
1488 #endif /* NO_CONFIG_WRITE */
1490 /* INT: Define an integer variable */
1491 #define INT(f) _INT(f), NULL, NULL, 0
1492 #define INTe(f) _INTe(f), NULL, NULL, 0
1494 /* INT_RANGE: Define an integer variable with allowed value range */
1495 #define INT_RANGE(f, min, max) _INT(f), (void *) (min), (void *) (max), 0
1497 /* FUNC: Define a configuration variable that uses a custom function for
1498 * parsing and writing the value. */
1499 #ifdef NO_CONFIG_WRITE
1500 #define _FUNC(f) #f, wpa_config_parse_ ## f, NULL, NULL, NULL, NULL
1501 #else /* NO_CONFIG_WRITE */
1502 #define _FUNC(f) #f, wpa_config_parse_ ## f, wpa_config_write_ ## f, \
1503 NULL, NULL, NULL, NULL
1504 #endif /* NO_CONFIG_WRITE */
1505 #define FUNC(f) _FUNC(f), 0
1506 #define FUNC_KEY(f) _FUNC(f), 1
1509 * Table of network configuration variables. This table is used to parse each
1510 * network configuration variable, e.g., each line in wpa_supplicant.conf file
1511 * that is inside a network block.
1513 * This table is generated using the helper macros defined above and with
1514 * generous help from the C pre-processor. The field name is stored as a string
1515 * into .name and for STR and INT types, the offset of the target buffer within
1516 * struct wpa_ssid is stored in .param1. .param2 (if not NULL) is similar
1517 * offset to the field containing the length of the configuration variable.
1518 * .param3 and .param4 can be used to mark the allowed range (length for STR
1519 * and value for INT).
1521 * For each configuration line in wpa_supplicant.conf, the parser goes through
1522 * this table and select the entry that matches with the field name. The parser
1523 * function (.parser) is then called to parse the actual value of the field.
1525 * This kind of mechanism makes it easy to add new configuration parameters,
1526 * since only one line needs to be added into this table and into the
1527 * struct wpa_ssid definition if the new variable is either a string or
1528 * integer. More complex types will need to use their own parser and writer
1531 static const struct parse_data ssid_fields[] = {
1532 { STR_RANGE(ssid, 0, MAX_SSID_LEN) },
1533 { INT_RANGE(scan_ssid, 0, 1) },
1538 { INT(bg_scan_period) },
1542 { FUNC(scan_freq) },
1543 { FUNC(freq_list) },
1544 #ifdef IEEE8021X_EAPOL
1546 { STR_LENe(identity) },
1547 { STR_LENe(anonymous_identity) },
1548 { FUNC_KEY(password) },
1551 { STRe(client_cert) },
1552 { STRe(private_key) },
1553 { STR_KEYe(private_key_passwd) },
1555 { STRe(subject_match) },
1556 { STRe(altsubject_match) },
1559 { STRe(client_cert2) },
1560 { STRe(private_key2) },
1561 { STR_KEYe(private_key2_passwd) },
1563 { STRe(subject_match2) },
1564 { STRe(altsubject_match2) },
1569 { STRe(engine_id) },
1572 { STRe(ca_cert_id) },
1574 { STRe(engine2_id) },
1577 { STRe(ca_cert2_id) },
1580 { INT(eapol_flags) },
1581 #endif /* IEEE8021X_EAPOL */
1582 { FUNC_KEY(wep_key0) },
1583 { FUNC_KEY(wep_key1) },
1584 { FUNC_KEY(wep_key2) },
1585 { FUNC_KEY(wep_key3) },
1586 { INT(wep_tx_keyidx) },
1588 #ifdef IEEE8021X_EAPOL
1589 { INT(eap_workaround) },
1591 { INTe(fragment_size) },
1592 #endif /* IEEE8021X_EAPOL */
1593 { INT_RANGE(mode, 0, 4) },
1594 { INT_RANGE(proactive_key_caching, 0, 1) },
1595 { INT_RANGE(disabled, 0, 2) },
1597 #ifdef CONFIG_IEEE80211W
1598 { INT_RANGE(ieee80211w, 0, 2) },
1599 #endif /* CONFIG_IEEE80211W */
1600 { INT_RANGE(peerkey, 0, 1) },
1601 { INT_RANGE(mixed_cell, 0, 1) },
1602 { INT_RANGE(frequency, 0, 10000) },
1603 { INT(wpa_ptk_rekey) },
1605 { INT_RANGE(ignore_broadcast_ssid, 0, 2) },
1607 { FUNC(p2p_client_list) },
1608 #endif /* CONFIG_P2P */
1609 #ifdef CONFIG_HT_OVERRIDES
1610 { INT_RANGE(disable_ht, 0, 1) },
1611 { INT_RANGE(disable_ht40, -1, 1) },
1612 { INT_RANGE(disable_max_amsdu, -1, 1) },
1613 { INT_RANGE(ampdu_factor, -1, 3) },
1614 { INT_RANGE(ampdu_density, -1, 7) },
1616 #endif /* CONFIG_HT_OVERRIDES */
1617 { INT(ap_max_inactivity) },
1618 { INT(dtim_period) },
1630 #undef STR_RANGE_KEY
1637 #define NUM_SSID_FIELDS (sizeof(ssid_fields) / sizeof(ssid_fields[0]))
1641 * wpa_config_add_prio_network - Add a network to priority lists
1642 * @config: Configuration data from wpa_config_read()
1643 * @ssid: Pointer to the network configuration to be added to the list
1644 * Returns: 0 on success, -1 on failure
1646 * This function is used to add a network block to the priority list of
1647 * networks. This must be called for each network when reading in the full
1648 * configuration. In addition, this can be used indirectly when updating
1649 * priorities by calling wpa_config_update_prio_list().
1651 int wpa_config_add_prio_network(struct wpa_config *config,
1652 struct wpa_ssid *ssid)
1655 struct wpa_ssid *prev, **nlist;
1658 * Add to an existing priority list if one is available for the
1659 * configured priority level for this network.
1661 for (prio = 0; prio < config->num_prio; prio++) {
1662 prev = config->pssid[prio];
1663 if (prev->priority == ssid->priority) {
1671 /* First network for this priority - add a new priority list */
1672 nlist = os_realloc(config->pssid,
1673 (config->num_prio + 1) * sizeof(struct wpa_ssid *));
1677 for (prio = 0; prio < config->num_prio; prio++) {
1678 if (nlist[prio]->priority < ssid->priority) {
1679 os_memmove(&nlist[prio + 1], &nlist[prio],
1680 (config->num_prio - prio) *
1681 sizeof(struct wpa_ssid *));
1688 config->pssid = nlist;
1695 * wpa_config_update_prio_list - Update network priority list
1696 * @config: Configuration data from wpa_config_read()
1697 * Returns: 0 on success, -1 on failure
1699 * This function is called to update the priority list of networks in the
1700 * configuration when a network is being added or removed. This is also called
1701 * if a priority for a network is changed.
1703 int wpa_config_update_prio_list(struct wpa_config *config)
1705 struct wpa_ssid *ssid;
1708 os_free(config->pssid);
1709 config->pssid = NULL;
1710 config->num_prio = 0;
1712 ssid = config->ssid;
1715 if (wpa_config_add_prio_network(config, ssid) < 0)
1724 #ifdef IEEE8021X_EAPOL
1725 static void eap_peer_config_free(struct eap_peer_config *eap)
1727 os_free(eap->eap_methods);
1728 os_free(eap->identity);
1729 os_free(eap->anonymous_identity);
1730 os_free(eap->password);
1731 os_free(eap->ca_cert);
1732 os_free(eap->ca_path);
1733 os_free(eap->client_cert);
1734 os_free(eap->private_key);
1735 os_free(eap->private_key_passwd);
1736 os_free(eap->dh_file);
1737 os_free(eap->subject_match);
1738 os_free(eap->altsubject_match);
1739 os_free(eap->ca_cert2);
1740 os_free(eap->ca_path2);
1741 os_free(eap->client_cert2);
1742 os_free(eap->private_key2);
1743 os_free(eap->private_key2_passwd);
1744 os_free(eap->dh_file2);
1745 os_free(eap->subject_match2);
1746 os_free(eap->altsubject_match2);
1747 os_free(eap->phase1);
1748 os_free(eap->phase2);
1751 os_free(eap->engine_id);
1752 os_free(eap->key_id);
1753 os_free(eap->cert_id);
1754 os_free(eap->ca_cert_id);
1755 os_free(eap->key2_id);
1756 os_free(eap->cert2_id);
1757 os_free(eap->ca_cert2_id);
1759 os_free(eap->engine2_id);
1761 os_free(eap->pending_req_otp);
1762 os_free(eap->pac_file);
1763 os_free(eap->new_password);
1765 #endif /* IEEE8021X_EAPOL */
1769 * wpa_config_free_ssid - Free network/ssid configuration data
1770 * @ssid: Configuration data for the network
1772 * This function frees all resources allocated for the network configuration
1775 void wpa_config_free_ssid(struct wpa_ssid *ssid)
1777 os_free(ssid->ssid);
1778 os_free(ssid->passphrase);
1779 os_free(ssid->ext_psk);
1780 #ifdef IEEE8021X_EAPOL
1781 eap_peer_config_free(&ssid->eap);
1782 #endif /* IEEE8021X_EAPOL */
1783 os_free(ssid->id_str);
1784 os_free(ssid->scan_freq);
1785 os_free(ssid->freq_list);
1786 os_free(ssid->bgscan);
1787 os_free(ssid->p2p_client_list);
1788 #ifdef CONFIG_HT_OVERRIDES
1789 os_free(ssid->ht_mcs);
1790 #endif /* CONFIG_HT_OVERRIDES */
1795 void wpa_config_free_cred(struct wpa_cred *cred)
1797 os_free(cred->realm);
1798 os_free(cred->username);
1799 os_free(cred->password);
1800 os_free(cred->ca_cert);
1801 os_free(cred->client_cert);
1802 os_free(cred->private_key);
1803 os_free(cred->private_key_passwd);
1804 os_free(cred->imsi);
1805 os_free(cred->milenage);
1806 os_free(cred->domain);
1807 os_free(cred->eap_method);
1808 os_free(cred->phase1);
1809 os_free(cred->phase2);
1815 * wpa_config_free - Free configuration data
1816 * @config: Configuration data from wpa_config_read()
1818 * This function frees all resources allocated for the configuration data by
1819 * wpa_config_read().
1821 void wpa_config_free(struct wpa_config *config)
1823 #ifndef CONFIG_NO_CONFIG_BLOBS
1824 struct wpa_config_blob *blob, *prevblob;
1825 #endif /* CONFIG_NO_CONFIG_BLOBS */
1826 struct wpa_ssid *ssid, *prev = NULL;
1827 struct wpa_cred *cred, *cprev;
1829 ssid = config->ssid;
1833 wpa_config_free_ssid(prev);
1836 cred = config->cred;
1840 wpa_config_free_cred(cprev);
1843 #ifndef CONFIG_NO_CONFIG_BLOBS
1844 blob = config->blobs;
1849 wpa_config_free_blob(prevblob);
1851 #endif /* CONFIG_NO_CONFIG_BLOBS */
1853 wpabuf_free(config->wps_vendor_ext_m1);
1854 os_free(config->ctrl_interface);
1855 os_free(config->ctrl_interface_group);
1856 os_free(config->opensc_engine_path);
1857 os_free(config->pkcs11_engine_path);
1858 os_free(config->pkcs11_module_path);
1859 os_free(config->pcsc_reader);
1860 os_free(config->pcsc_pin);
1861 os_free(config->driver_param);
1862 os_free(config->device_name);
1863 os_free(config->manufacturer);
1864 os_free(config->model_name);
1865 os_free(config->model_number);
1866 os_free(config->serial_number);
1867 os_free(config->config_methods);
1868 os_free(config->p2p_ssid_postfix);
1869 os_free(config->pssid);
1870 os_free(config->p2p_pref_chan);
1871 os_free(config->autoscan);
1872 wpabuf_free(config->wps_nfc_dh_pubkey);
1873 wpabuf_free(config->wps_nfc_dh_privkey);
1874 wpabuf_free(config->wps_nfc_dev_pw);
1875 os_free(config->ext_password_backend);
1881 * wpa_config_foreach_network - Iterate over each configured network
1882 * @config: Configuration data from wpa_config_read()
1883 * @func: Callback function to process each network
1884 * @arg: Opaque argument to pass to callback function
1886 * Iterate over the set of configured networks calling the specified
1887 * function for each item. We guard against callbacks removing the
1890 void wpa_config_foreach_network(struct wpa_config *config,
1891 void (*func)(void *, struct wpa_ssid *),
1894 struct wpa_ssid *ssid, *next;
1896 ssid = config->ssid;
1906 * wpa_config_get_network - Get configured network based on id
1907 * @config: Configuration data from wpa_config_read()
1908 * @id: Unique network id to search for
1909 * Returns: Network configuration or %NULL if not found
1911 struct wpa_ssid * wpa_config_get_network(struct wpa_config *config, int id)
1913 struct wpa_ssid *ssid;
1915 ssid = config->ssid;
1927 * wpa_config_add_network - Add a new network with empty configuration
1928 * @config: Configuration data from wpa_config_read()
1929 * Returns: The new network configuration or %NULL if operation failed
1931 struct wpa_ssid * wpa_config_add_network(struct wpa_config *config)
1934 struct wpa_ssid *ssid, *last = NULL;
1937 ssid = config->ssid;
1946 ssid = os_zalloc(sizeof(*ssid));
1953 config->ssid = ssid;
1955 wpa_config_update_prio_list(config);
1962 * wpa_config_remove_network - Remove a configured network based on id
1963 * @config: Configuration data from wpa_config_read()
1964 * @id: Unique network id to search for
1965 * Returns: 0 on success, or -1 if the network was not found
1967 int wpa_config_remove_network(struct wpa_config *config, int id)
1969 struct wpa_ssid *ssid, *prev = NULL;
1971 ssid = config->ssid;
1983 prev->next = ssid->next;
1985 config->ssid = ssid->next;
1987 wpa_config_update_prio_list(config);
1988 wpa_config_free_ssid(ssid);
1994 * wpa_config_set_network_defaults - Set network default values
1995 * @ssid: Pointer to network configuration data
1997 void wpa_config_set_network_defaults(struct wpa_ssid *ssid)
1999 ssid->proto = DEFAULT_PROTO;
2000 ssid->pairwise_cipher = DEFAULT_PAIRWISE;
2001 ssid->group_cipher = DEFAULT_GROUP;
2002 ssid->key_mgmt = DEFAULT_KEY_MGMT;
2003 ssid->bg_scan_period = DEFAULT_BG_SCAN_PERIOD;
2004 #ifdef IEEE8021X_EAPOL
2005 ssid->eapol_flags = DEFAULT_EAPOL_FLAGS;
2006 ssid->eap_workaround = DEFAULT_EAP_WORKAROUND;
2007 ssid->eap.fragment_size = DEFAULT_FRAGMENT_SIZE;
2008 #endif /* IEEE8021X_EAPOL */
2009 #ifdef CONFIG_HT_OVERRIDES
2010 ssid->disable_ht = DEFAULT_DISABLE_HT;
2011 ssid->disable_ht40 = DEFAULT_DISABLE_HT40;
2012 ssid->disable_max_amsdu = DEFAULT_DISABLE_MAX_AMSDU;
2013 ssid->ampdu_factor = DEFAULT_AMPDU_FACTOR;
2014 ssid->ampdu_density = DEFAULT_AMPDU_DENSITY;
2015 #endif /* CONFIG_HT_OVERRIDES */
2020 * wpa_config_set - Set a variable in network configuration
2021 * @ssid: Pointer to network configuration data
2022 * @var: Variable name, e.g., "ssid"
2023 * @value: Variable value
2024 * @line: Line number in configuration file or 0 if not used
2025 * Returns: 0 on success, -1 on failure
2027 * This function can be used to set network configuration variables based on
2028 * both the configuration file and management interface input. The value
2029 * parameter must be in the same format as the text-based configuration file is
2030 * using. For example, strings are using double quotation marks.
2032 int wpa_config_set(struct wpa_ssid *ssid, const char *var, const char *value,
2038 if (ssid == NULL || var == NULL || value == NULL)
2041 for (i = 0; i < NUM_SSID_FIELDS; i++) {
2042 const struct parse_data *field = &ssid_fields[i];
2043 if (os_strcmp(var, field->name) != 0)
2046 if (field->parser(field, ssid, line, value)) {
2048 wpa_printf(MSG_ERROR, "Line %d: failed to "
2049 "parse %s '%s'.", line, var, value);
2055 if (i == NUM_SSID_FIELDS) {
2057 wpa_printf(MSG_ERROR, "Line %d: unknown network field "
2058 "'%s'.", line, var);
2067 int wpa_config_set_quoted(struct wpa_ssid *ssid, const char *var,
2074 len = os_strlen(value);
2075 buf = os_malloc(len + 3);
2079 os_memcpy(buf + 1, value, len);
2081 buf[len + 2] = '\0';
2082 ret = wpa_config_set(ssid, var, buf, 0);
2089 * wpa_config_get_all - Get all options from network configuration
2090 * @ssid: Pointer to network configuration data
2091 * @get_keys: Determines if keys/passwords will be included in returned list
2092 * (if they may be exported)
2093 * Returns: %NULL terminated list of all set keys and their values in the form
2094 * of [key1, val1, key2, val2, ... , NULL]
2096 * This function can be used to get list of all configured network properties.
2097 * The caller is responsible for freeing the returned list and all its
2100 char ** wpa_config_get_all(struct wpa_ssid *ssid, int get_keys)
2102 const struct parse_data *field;
2108 get_keys = get_keys && ssid->export_keys;
2110 props = os_calloc(2 * NUM_SSID_FIELDS + 1, sizeof(char *));
2115 for (i = 0; i < NUM_SSID_FIELDS; i++) {
2116 field = &ssid_fields[i];
2117 if (field->key_data && !get_keys)
2119 value = field->writer(field, ssid);
2122 if (os_strlen(value) == 0) {
2127 key = os_strdup(field->name);
2133 props[fields_num * 2] = key;
2134 props[fields_num * 2 + 1] = value;
2150 #ifndef NO_CONFIG_WRITE
2152 * wpa_config_get - Get a variable in network configuration
2153 * @ssid: Pointer to network configuration data
2154 * @var: Variable name, e.g., "ssid"
2155 * Returns: Value of the variable or %NULL on failure
2157 * This function can be used to get network configuration variables. The
2158 * returned value is a copy of the configuration variable in text format, i.e,.
2159 * the same format that the text-based configuration file and wpa_config_set()
2160 * are using for the value. The caller is responsible for freeing the returned
2163 char * wpa_config_get(struct wpa_ssid *ssid, const char *var)
2167 if (ssid == NULL || var == NULL)
2170 for (i = 0; i < NUM_SSID_FIELDS; i++) {
2171 const struct parse_data *field = &ssid_fields[i];
2172 if (os_strcmp(var, field->name) == 0)
2173 return field->writer(field, ssid);
2181 * wpa_config_get_no_key - Get a variable in network configuration (no keys)
2182 * @ssid: Pointer to network configuration data
2183 * @var: Variable name, e.g., "ssid"
2184 * Returns: Value of the variable or %NULL on failure
2186 * This function can be used to get network configuration variable like
2187 * wpa_config_get(). The only difference is that this functions does not expose
2188 * key/password material from the configuration. In case a key/password field
2189 * is requested, the returned value is an empty string or %NULL if the variable
2190 * is not set or "*" if the variable is set (regardless of its value). The
2191 * returned value is a copy of the configuration variable in text format, i.e,.
2192 * the same format that the text-based configuration file and wpa_config_set()
2193 * are using for the value. The caller is responsible for freeing the returned
2196 char * wpa_config_get_no_key(struct wpa_ssid *ssid, const char *var)
2200 if (ssid == NULL || var == NULL)
2203 for (i = 0; i < NUM_SSID_FIELDS; i++) {
2204 const struct parse_data *field = &ssid_fields[i];
2205 if (os_strcmp(var, field->name) == 0) {
2206 char *res = field->writer(field, ssid);
2207 if (field->key_data) {
2208 if (res && res[0]) {
2209 wpa_printf(MSG_DEBUG, "Do not allow "
2210 "key_data field to be "
2213 return os_strdup("*");
2225 #endif /* NO_CONFIG_WRITE */
2229 * wpa_config_update_psk - Update WPA PSK based on passphrase and SSID
2230 * @ssid: Pointer to network configuration data
2232 * This function must be called to update WPA PSK when either SSID or the
2233 * passphrase has changed for the network configuration.
2235 void wpa_config_update_psk(struct wpa_ssid *ssid)
2237 #ifndef CONFIG_NO_PBKDF2
2238 pbkdf2_sha1(ssid->passphrase, ssid->ssid, ssid->ssid_len, 4096,
2239 ssid->psk, PMK_LEN);
2240 wpa_hexdump_key(MSG_MSGDUMP, "PSK (from passphrase)",
2241 ssid->psk, PMK_LEN);
2243 #endif /* CONFIG_NO_PBKDF2 */
2247 int wpa_config_set_cred(struct wpa_cred *cred, const char *var,
2248 const char *value, int line)
2253 if (os_strcmp(var, "priority") == 0) {
2254 cred->priority = atoi(value);
2258 if (os_strcmp(var, "pcsc") == 0) {
2259 cred->pcsc = atoi(value);
2263 if (os_strcmp(var, "eap") == 0) {
2264 struct eap_method_type method;
2265 method.method = eap_peer_get_type(value, &method.vendor);
2266 if (method.vendor == EAP_VENDOR_IETF &&
2267 method.method == EAP_TYPE_NONE) {
2268 wpa_printf(MSG_ERROR, "Line %d: unknown EAP type '%s' "
2269 "for a credential", line, value);
2272 os_free(cred->eap_method);
2273 cred->eap_method = os_malloc(sizeof(*cred->eap_method));
2274 if (cred->eap_method == NULL)
2276 os_memcpy(cred->eap_method, &method, sizeof(method));
2280 if (os_strcmp(var, "password") == 0 &&
2281 os_strncmp(value, "ext:", 4) == 0) {
2282 os_free(cred->password);
2283 cred->password = os_strdup(value);
2284 cred->ext_password = 1;
2288 val = wpa_config_parse_string(value, &len);
2290 wpa_printf(MSG_ERROR, "Line %d: invalid field '%s' string "
2291 "value '%s'.", line, var, value);
2295 if (os_strcmp(var, "realm") == 0) {
2296 os_free(cred->realm);
2301 if (os_strcmp(var, "username") == 0) {
2302 os_free(cred->username);
2303 cred->username = val;
2307 if (os_strcmp(var, "password") == 0) {
2308 os_free(cred->password);
2309 cred->password = val;
2310 cred->ext_password = 0;
2314 if (os_strcmp(var, "ca_cert") == 0) {
2315 os_free(cred->ca_cert);
2316 cred->ca_cert = val;
2320 if (os_strcmp(var, "client_cert") == 0) {
2321 os_free(cred->client_cert);
2322 cred->client_cert = val;
2326 if (os_strcmp(var, "private_key") == 0) {
2327 os_free(cred->private_key);
2328 cred->private_key = val;
2332 if (os_strcmp(var, "private_key_passwd") == 0) {
2333 os_free(cred->private_key_passwd);
2334 cred->private_key_passwd = val;
2338 if (os_strcmp(var, "imsi") == 0) {
2339 os_free(cred->imsi);
2344 if (os_strcmp(var, "milenage") == 0) {
2345 os_free(cred->milenage);
2346 cred->milenage = val;
2350 if (os_strcmp(var, "domain") == 0) {
2351 os_free(cred->domain);
2356 if (os_strcmp(var, "phase1") == 0) {
2357 os_free(cred->phase1);
2362 if (os_strcmp(var, "phase2") == 0) {
2363 os_free(cred->phase2);
2368 if (os_strcmp(var, "roaming_consortium") == 0) {
2369 if (len < 3 || len > sizeof(cred->roaming_consortium)) {
2370 wpa_printf(MSG_ERROR, "Line %d: invalid "
2371 "roaming_consortium length %d (3..15 "
2372 "expected)", line, (int) len);
2376 os_memcpy(cred->roaming_consortium, val, len);
2377 cred->roaming_consortium_len = len;
2383 wpa_printf(MSG_ERROR, "Line %d: unknown cred field '%s'.",
2393 struct wpa_cred * wpa_config_get_cred(struct wpa_config *config, int id)
2395 struct wpa_cred *cred;
2397 cred = config->cred;
2408 struct wpa_cred * wpa_config_add_cred(struct wpa_config *config)
2411 struct wpa_cred *cred, *last = NULL;
2414 cred = config->cred;
2423 cred = os_zalloc(sizeof(*cred));
2430 config->cred = cred;
2436 int wpa_config_remove_cred(struct wpa_config *config, int id)
2438 struct wpa_cred *cred, *prev = NULL;
2440 cred = config->cred;
2452 prev->next = cred->next;
2454 config->cred = cred->next;
2456 wpa_config_free_cred(cred);
2461 #ifndef CONFIG_NO_CONFIG_BLOBS
2463 * wpa_config_get_blob - Get a named configuration blob
2464 * @config: Configuration data from wpa_config_read()
2465 * @name: Name of the blob
2466 * Returns: Pointer to blob data or %NULL if not found
2468 const struct wpa_config_blob * wpa_config_get_blob(struct wpa_config *config,
2471 struct wpa_config_blob *blob = config->blobs;
2474 if (os_strcmp(blob->name, name) == 0)
2483 * wpa_config_set_blob - Set or add a named configuration blob
2484 * @config: Configuration data from wpa_config_read()
2485 * @blob: New value for the blob
2487 * Adds a new configuration blob or replaces the current value of an existing
2490 void wpa_config_set_blob(struct wpa_config *config,
2491 struct wpa_config_blob *blob)
2493 wpa_config_remove_blob(config, blob->name);
2494 blob->next = config->blobs;
2495 config->blobs = blob;
2500 * wpa_config_free_blob - Free blob data
2501 * @blob: Pointer to blob to be freed
2503 void wpa_config_free_blob(struct wpa_config_blob *blob)
2506 os_free(blob->name);
2507 os_free(blob->data);
2514 * wpa_config_remove_blob - Remove a named configuration blob
2515 * @config: Configuration data from wpa_config_read()
2516 * @name: Name of the blob to remove
2517 * Returns: 0 if blob was removed or -1 if blob was not found
2519 int wpa_config_remove_blob(struct wpa_config *config, const char *name)
2521 struct wpa_config_blob *pos = config->blobs, *prev = NULL;
2524 if (os_strcmp(pos->name, name) == 0) {
2526 prev->next = pos->next;
2528 config->blobs = pos->next;
2529 wpa_config_free_blob(pos);
2538 #endif /* CONFIG_NO_CONFIG_BLOBS */
2542 * wpa_config_alloc_empty - Allocate an empty configuration
2543 * @ctrl_interface: Control interface parameters, e.g., path to UNIX domain
2545 * @driver_param: Driver parameters
2546 * Returns: Pointer to allocated configuration data or %NULL on failure
2548 struct wpa_config * wpa_config_alloc_empty(const char *ctrl_interface,
2549 const char *driver_param)
2551 struct wpa_config *config;
2552 const int aCWmin = 4, aCWmax = 10;
2553 const struct hostapd_wmm_ac_params ac_bk =
2554 { aCWmin, aCWmax, 7, 0, 0 }; /* background traffic */
2555 const struct hostapd_wmm_ac_params ac_be =
2556 { aCWmin, aCWmax, 3, 0, 0 }; /* best effort traffic */
2557 const struct hostapd_wmm_ac_params ac_vi = /* video traffic */
2558 { aCWmin - 1, aCWmin, 2, 3000 / 32, 0 };
2559 const struct hostapd_wmm_ac_params ac_vo = /* voice traffic */
2560 { aCWmin - 2, aCWmin - 1, 2, 1500 / 32, 0 };
2562 config = os_zalloc(sizeof(*config));
2565 config->eapol_version = DEFAULT_EAPOL_VERSION;
2566 config->ap_scan = DEFAULT_AP_SCAN;
2567 config->fast_reauth = DEFAULT_FAST_REAUTH;
2568 config->p2p_go_intent = DEFAULT_P2P_GO_INTENT;
2569 config->p2p_intra_bss = DEFAULT_P2P_INTRA_BSS;
2570 config->p2p_go_max_inactivity = DEFAULT_P2P_GO_MAX_INACTIVITY;
2571 config->bss_max_count = DEFAULT_BSS_MAX_COUNT;
2572 config->bss_expiration_age = DEFAULT_BSS_EXPIRATION_AGE;
2573 config->bss_expiration_scan_count = DEFAULT_BSS_EXPIRATION_SCAN_COUNT;
2574 config->max_num_sta = DEFAULT_MAX_NUM_STA;
2575 config->access_network_type = DEFAULT_ACCESS_NETWORK_TYPE;
2576 config->wmm_ac_params[0] = ac_be;
2577 config->wmm_ac_params[1] = ac_bk;
2578 config->wmm_ac_params[2] = ac_vi;
2579 config->wmm_ac_params[3] = ac_vo;
2582 config->ctrl_interface = os_strdup(ctrl_interface);
2584 config->driver_param = os_strdup(driver_param);
2590 #ifndef CONFIG_NO_STDOUT_DEBUG
2592 * wpa_config_debug_dump_networks - Debug dump of configured networks
2593 * @config: Configuration data from wpa_config_read()
2595 void wpa_config_debug_dump_networks(struct wpa_config *config)
2598 struct wpa_ssid *ssid;
2600 for (prio = 0; prio < config->num_prio; prio++) {
2601 ssid = config->pssid[prio];
2602 wpa_printf(MSG_DEBUG, "Priority group %d",
2605 wpa_printf(MSG_DEBUG, " id=%d ssid='%s'",
2607 wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
2612 #endif /* CONFIG_NO_STDOUT_DEBUG */
2615 struct global_parse_data {
2617 int (*parser)(const struct global_parse_data *data,
2618 struct wpa_config *config, int line, const char *value);
2619 void *param1, *param2, *param3;
2620 unsigned int changed_flag;
2624 static int wpa_global_config_parse_int(const struct global_parse_data *data,
2625 struct wpa_config *config, int line,
2629 dst = (int *) (((u8 *) config) + (long) data->param1);
2631 wpa_printf(MSG_DEBUG, "%s=%d", data->name, *dst);
2633 if (data->param2 && *dst < (long) data->param2) {
2634 wpa_printf(MSG_ERROR, "Line %d: too small %s (value=%d "
2635 "min_value=%ld)", line, data->name, *dst,
2636 (long) data->param2);
2637 *dst = (long) data->param2;
2641 if (data->param3 && *dst > (long) data->param3) {
2642 wpa_printf(MSG_ERROR, "Line %d: too large %s (value=%d "
2643 "max_value=%ld)", line, data->name, *dst,
2644 (long) data->param3);
2645 *dst = (long) data->param3;
2653 static int wpa_global_config_parse_str(const struct global_parse_data *data,
2654 struct wpa_config *config, int line,
2660 len = os_strlen(pos);
2661 if (data->param2 && len < (size_t) data->param2) {
2662 wpa_printf(MSG_ERROR, "Line %d: too short %s (len=%lu "
2663 "min_len=%ld)", line, data->name,
2664 (unsigned long) len, (long) data->param2);
2668 if (data->param3 && len > (size_t) data->param3) {
2669 wpa_printf(MSG_ERROR, "Line %d: too long %s (len=%lu "
2670 "max_len=%ld)", line, data->name,
2671 (unsigned long) len, (long) data->param3);
2675 tmp = os_strdup(pos);
2679 dst = (char **) (((u8 *) config) + (long) data->param1);
2682 wpa_printf(MSG_DEBUG, "%s='%s'", data->name, *dst);
2688 static int wpa_global_config_parse_bin(const struct global_parse_data *data,
2689 struct wpa_config *config, int line,
2693 struct wpabuf **dst, *tmp;
2695 len = os_strlen(pos);
2699 tmp = wpabuf_alloc(len / 2);
2703 if (hexstr2bin(pos, wpabuf_put(tmp, len / 2), len / 2)) {
2708 dst = (struct wpabuf **) (((u8 *) config) + (long) data->param1);
2711 wpa_printf(MSG_DEBUG, "%s", data->name);
2717 static int wpa_config_process_country(const struct global_parse_data *data,
2718 struct wpa_config *config, int line,
2721 if (!pos[0] || !pos[1]) {
2722 wpa_printf(MSG_DEBUG, "Invalid country set");
2725 config->country[0] = pos[0];
2726 config->country[1] = pos[1];
2727 wpa_printf(MSG_DEBUG, "country='%c%c'",
2728 config->country[0], config->country[1]);
2733 static int wpa_config_process_load_dynamic_eap(
2734 const struct global_parse_data *data, struct wpa_config *config,
2735 int line, const char *so)
2738 wpa_printf(MSG_DEBUG, "load_dynamic_eap=%s", so);
2739 ret = eap_peer_method_load(so);
2741 wpa_printf(MSG_DEBUG, "This EAP type was already loaded - not "
2744 wpa_printf(MSG_ERROR, "Line %d: Failed to load dynamic EAP "
2745 "method '%s'.", line, so);
2755 static int wpa_config_process_uuid(const struct global_parse_data *data,
2756 struct wpa_config *config, int line,
2760 if (uuid_str2bin(pos, config->uuid)) {
2761 wpa_printf(MSG_ERROR, "Line %d: invalid UUID", line);
2764 uuid_bin2str(config->uuid, buf, sizeof(buf));
2765 wpa_printf(MSG_DEBUG, "uuid=%s", buf);
2770 static int wpa_config_process_device_type(
2771 const struct global_parse_data *data,
2772 struct wpa_config *config, int line, const char *pos)
2774 return wps_dev_type_str2bin(pos, config->device_type);
2778 static int wpa_config_process_os_version(const struct global_parse_data *data,
2779 struct wpa_config *config, int line,
2782 if (hexstr2bin(pos, config->os_version, 4)) {
2783 wpa_printf(MSG_ERROR, "Line %d: invalid os_version", line);
2786 wpa_printf(MSG_DEBUG, "os_version=%08x",
2787 WPA_GET_BE32(config->os_version));
2792 static int wpa_config_process_wps_vendor_ext_m1(
2793 const struct global_parse_data *data,
2794 struct wpa_config *config, int line, const char *pos)
2797 int len = os_strlen(pos) / 2;
2801 wpa_printf(MSG_ERROR, "Line %d: "
2802 "invalid wps_vendor_ext_m1", line);
2806 tmp = wpabuf_alloc(len);
2808 p = wpabuf_put(tmp, len);
2810 if (hexstr2bin(pos, p, len)) {
2811 wpa_printf(MSG_ERROR, "Line %d: "
2812 "invalid wps_vendor_ext_m1", line);
2817 wpabuf_free(config->wps_vendor_ext_m1);
2818 config->wps_vendor_ext_m1 = tmp;
2820 wpa_printf(MSG_ERROR, "Can not allocate "
2821 "memory for wps_vendor_ext_m1");
2828 #endif /* CONFIG_WPS */
2831 static int wpa_config_process_sec_device_type(
2832 const struct global_parse_data *data,
2833 struct wpa_config *config, int line, const char *pos)
2837 if (config->num_sec_device_types >= MAX_SEC_DEVICE_TYPES) {
2838 wpa_printf(MSG_ERROR, "Line %d: too many sec_device_type "
2843 idx = config->num_sec_device_types;
2845 if (wps_dev_type_str2bin(pos, config->sec_device_type[idx]))
2848 config->num_sec_device_types++;
2853 static int wpa_config_process_p2p_pref_chan(
2854 const struct global_parse_data *data,
2855 struct wpa_config *config, int line, const char *pos)
2857 struct p2p_channel *pref = NULL, *n;
2858 unsigned int num = 0;
2862 /* format: class:chan,class:chan,... */
2865 op_class = atoi(pos);
2866 pos2 = os_strchr(pos, ':');
2872 n = os_realloc(pref, (num + 1) * sizeof(struct p2p_channel));
2876 pref[num].op_class = op_class;
2877 pref[num].chan = chan;
2880 pos = os_strchr(pos2, ',');
2886 os_free(config->p2p_pref_chan);
2887 config->p2p_pref_chan = pref;
2888 config->num_p2p_pref_chan = num;
2889 wpa_hexdump(MSG_DEBUG, "P2P: Preferred class/channel pairs",
2890 (u8 *) config->p2p_pref_chan,
2891 config->num_p2p_pref_chan * sizeof(struct p2p_channel));
2897 wpa_printf(MSG_ERROR, "Line %d: Invalid p2p_pref_chan list", line);
2900 #endif /* CONFIG_P2P */
2903 static int wpa_config_process_hessid(
2904 const struct global_parse_data *data,
2905 struct wpa_config *config, int line, const char *pos)
2907 if (hwaddr_aton2(pos, config->hessid) < 0) {
2908 wpa_printf(MSG_ERROR, "Line %d: Invalid hessid '%s'",
2920 /* OFFSET: Get offset of a variable within the wpa_config structure */
2921 #define OFFSET(v) ((void *) &((struct wpa_config *) 0)->v)
2923 #define FUNC(f) #f, wpa_config_process_ ## f, OFFSET(f), NULL, NULL
2924 #define FUNC_NO_VAR(f) #f, wpa_config_process_ ## f, NULL, NULL, NULL
2925 #define _INT(f) #f, wpa_global_config_parse_int, OFFSET(f)
2926 #define INT(f) _INT(f), NULL, NULL
2927 #define INT_RANGE(f, min, max) _INT(f), (void *) min, (void *) max
2928 #define _STR(f) #f, wpa_global_config_parse_str, OFFSET(f)
2929 #define STR(f) _STR(f), NULL, NULL
2930 #define STR_RANGE(f, min, max) _STR(f), (void *) min, (void *) max
2931 #define BIN(f) #f, wpa_global_config_parse_bin, OFFSET(f), NULL, NULL
2933 static const struct global_parse_data global_fields[] = {
2934 #ifdef CONFIG_CTRL_IFACE
2935 { STR(ctrl_interface), 0 },
2936 { STR(ctrl_interface_group), 0 } /* deprecated */,
2937 #endif /* CONFIG_CTRL_IFACE */
2938 { INT_RANGE(eapol_version, 1, 2), 0 },
2939 { INT(ap_scan), 0 },
2940 { INT(disable_scan_offload), 0 },
2941 { INT(fast_reauth), 0 },
2942 { STR(opensc_engine_path), 0 },
2943 { STR(pkcs11_engine_path), 0 },
2944 { STR(pkcs11_module_path), 0 },
2945 { STR(pcsc_reader), 0 },
2946 { STR(pcsc_pin), 0 },
2947 { STR(driver_param), 0 },
2948 { INT(dot11RSNAConfigPMKLifetime), 0 },
2949 { INT(dot11RSNAConfigPMKReauthThreshold), 0 },
2950 { INT(dot11RSNAConfigSATimeout), 0 },
2951 #ifndef CONFIG_NO_CONFIG_WRITE
2952 { INT(update_config), 0 },
2953 #endif /* CONFIG_NO_CONFIG_WRITE */
2954 { FUNC_NO_VAR(load_dynamic_eap), 0 },
2956 { FUNC(uuid), CFG_CHANGED_UUID },
2957 { STR_RANGE(device_name, 0, 32), CFG_CHANGED_DEVICE_NAME },
2958 { STR_RANGE(manufacturer, 0, 64), CFG_CHANGED_WPS_STRING },
2959 { STR_RANGE(model_name, 0, 32), CFG_CHANGED_WPS_STRING },
2960 { STR_RANGE(model_number, 0, 32), CFG_CHANGED_WPS_STRING },
2961 { STR_RANGE(serial_number, 0, 32), CFG_CHANGED_WPS_STRING },
2962 { FUNC(device_type), CFG_CHANGED_DEVICE_TYPE },
2963 { FUNC(os_version), CFG_CHANGED_OS_VERSION },
2964 { STR(config_methods), CFG_CHANGED_CONFIG_METHODS },
2965 { INT_RANGE(wps_cred_processing, 0, 2), 0 },
2966 { FUNC(wps_vendor_ext_m1), CFG_CHANGED_VENDOR_EXTENSION },
2967 #endif /* CONFIG_WPS */
2969 { FUNC(sec_device_type), CFG_CHANGED_SEC_DEVICE_TYPE },
2970 { INT(p2p_listen_reg_class), 0 },
2971 { INT(p2p_listen_channel), 0 },
2972 { INT(p2p_oper_reg_class), 0 },
2973 { INT(p2p_oper_channel), 0 },
2974 { INT_RANGE(p2p_go_intent, 0, 15), 0 },
2975 { STR(p2p_ssid_postfix), CFG_CHANGED_P2P_SSID_POSTFIX },
2976 { INT_RANGE(persistent_reconnect, 0, 1), 0 },
2977 { INT_RANGE(p2p_intra_bss, 0, 1), CFG_CHANGED_P2P_INTRA_BSS },
2978 { INT(p2p_group_idle), 0 },
2979 { FUNC(p2p_pref_chan), CFG_CHANGED_P2P_PREF_CHAN },
2980 #endif /* CONFIG_P2P */
2981 { FUNC(country), CFG_CHANGED_COUNTRY },
2982 { INT(bss_max_count), 0 },
2983 { INT(bss_expiration_age), 0 },
2984 { INT(bss_expiration_scan_count), 0 },
2985 { INT_RANGE(filter_ssids, 0, 1), 0 },
2986 { INT_RANGE(filter_rssi, -100, 0), 0 },
2987 { INT(max_num_sta), 0 },
2988 { INT_RANGE(disassoc_low_ack, 0, 1), 0 },
2990 { INT_RANGE(hs20, 0, 1), 0 },
2991 #endif /* CONFIG_HS20 */
2992 { INT_RANGE(interworking, 0, 1), 0 },
2993 { FUNC(hessid), 0 },
2994 { INT_RANGE(access_network_type, 0, 15), 0 },
2995 { INT_RANGE(pbc_in_m1, 0, 1), 0 },
2996 { STR(autoscan), 0 },
2997 { INT_RANGE(wps_nfc_dev_pw_id, 0x10, 0xffff), 0 },
2998 { BIN(wps_nfc_dh_pubkey), 0 },
2999 { BIN(wps_nfc_dh_privkey), 0 },
3000 { BIN(wps_nfc_dev_pw), 0 },
3001 { STR(ext_password_backend), CFG_CHANGED_EXT_PW_BACKEND },
3002 { INT(p2p_go_max_inactivity), 0 },
3013 #define NUM_GLOBAL_FIELDS (sizeof(global_fields) / sizeof(global_fields[0]))
3016 int wpa_config_process_global(struct wpa_config *config, char *pos, int line)
3021 for (i = 0; i < NUM_GLOBAL_FIELDS; i++) {
3022 const struct global_parse_data *field = &global_fields[i];
3023 size_t flen = os_strlen(field->name);
3024 if (os_strncmp(pos, field->name, flen) != 0 ||
3028 if (field->parser(field, config, line, pos + flen + 1)) {
3029 wpa_printf(MSG_ERROR, "Line %d: failed to "
3030 "parse '%s'.", line, pos);
3033 config->changed_parameters |= field->changed_flag;
3036 if (i == NUM_GLOBAL_FIELDS) {
3038 if (os_strncmp(pos, "wmm_ac_", 7) == 0) {
3039 char *tmp = os_strchr(pos, '=');
3043 wpa_printf(MSG_ERROR, "Line %d: invalid line "
3048 if (hostapd_config_wmm_ac(config->wmm_ac_params, pos,
3050 wpa_printf(MSG_ERROR, "Line %d: invalid WMM "
3055 #endif /* CONFIG_AP */
3058 wpa_printf(MSG_ERROR, "Line %d: unknown global field '%s'.",