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_array(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_array(methods, num_methods + 1,
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_array(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)) {
1380 wpa_printf(MSG_ERROR, "Line %d: Invalid "
1381 "p2p_client_list address '%s'.",
1386 /* continue anyway since this could have been from a
1387 * truncated configuration file line */
1388 wpa_printf(MSG_INFO, "Line %d: Ignore likely "
1389 "truncated p2p_client_list address '%s'",
1392 n = os_realloc_array(buf, count + 1, ETH_ALEN);
1398 os_memmove(buf + ETH_ALEN, buf, count * ETH_ALEN);
1399 os_memcpy(buf, addr, ETH_ALEN);
1401 wpa_hexdump(MSG_MSGDUMP, "p2p_client_list",
1405 pos = os_strchr(pos, ' ');
1408 os_free(ssid->p2p_client_list);
1409 ssid->p2p_client_list = buf;
1410 ssid->num_p2p_clients = count;
1416 #ifndef NO_CONFIG_WRITE
1417 static char * wpa_config_write_p2p_client_list(const struct parse_data *data,
1418 struct wpa_ssid *ssid)
1420 char *value, *end, *pos;
1424 if (ssid->p2p_client_list == NULL || ssid->num_p2p_clients == 0)
1427 value = os_malloc(20 * ssid->num_p2p_clients);
1431 end = value + 20 * ssid->num_p2p_clients;
1433 for (i = ssid->num_p2p_clients; i > 0; i--) {
1434 res = os_snprintf(pos, end - pos, MACSTR " ",
1435 MAC2STR(ssid->p2p_client_list +
1436 (i - 1) * ETH_ALEN));
1437 if (res < 0 || res >= end - pos) {
1449 #endif /* NO_CONFIG_WRITE */
1451 #endif /* CONFIG_P2P */
1453 /* Helper macros for network block parser */
1458 /* OFFSET: Get offset of a variable within the wpa_ssid structure */
1459 #define OFFSET(v) ((void *) &((struct wpa_ssid *) 0)->v)
1461 /* STR: Define a string variable for an ASCII string; f = field name */
1462 #ifdef NO_CONFIG_WRITE
1463 #define _STR(f) #f, wpa_config_parse_str, OFFSET(f)
1464 #define _STRe(f) #f, wpa_config_parse_str, OFFSET(eap.f)
1465 #else /* NO_CONFIG_WRITE */
1466 #define _STR(f) #f, wpa_config_parse_str, wpa_config_write_str, OFFSET(f)
1467 #define _STRe(f) #f, wpa_config_parse_str, wpa_config_write_str, OFFSET(eap.f)
1468 #endif /* NO_CONFIG_WRITE */
1469 #define STR(f) _STR(f), NULL, NULL, NULL, 0
1470 #define STRe(f) _STRe(f), NULL, NULL, NULL, 0
1471 #define STR_KEY(f) _STR(f), NULL, NULL, NULL, 1
1472 #define STR_KEYe(f) _STRe(f), NULL, NULL, NULL, 1
1474 /* STR_LEN: Define a string variable with a separate variable for storing the
1475 * data length. Unlike STR(), this can be used to store arbitrary binary data
1476 * (i.e., even nul termination character). */
1477 #define _STR_LEN(f) _STR(f), OFFSET(f ## _len)
1478 #define _STR_LENe(f) _STRe(f), OFFSET(eap.f ## _len)
1479 #define STR_LEN(f) _STR_LEN(f), NULL, NULL, 0
1480 #define STR_LENe(f) _STR_LENe(f), NULL, NULL, 0
1481 #define STR_LEN_KEY(f) _STR_LEN(f), NULL, NULL, 1
1483 /* STR_RANGE: Like STR_LEN(), but with minimum and maximum allowed length
1484 * explicitly specified. */
1485 #define _STR_RANGE(f, min, max) _STR_LEN(f), (void *) (min), (void *) (max)
1486 #define STR_RANGE(f, min, max) _STR_RANGE(f, min, max), 0
1487 #define STR_RANGE_KEY(f, min, max) _STR_RANGE(f, min, max), 1
1489 #ifdef NO_CONFIG_WRITE
1490 #define _INT(f) #f, wpa_config_parse_int, OFFSET(f), (void *) 0
1491 #define _INTe(f) #f, wpa_config_parse_int, OFFSET(eap.f), (void *) 0
1492 #else /* NO_CONFIG_WRITE */
1493 #define _INT(f) #f, wpa_config_parse_int, wpa_config_write_int, \
1494 OFFSET(f), (void *) 0
1495 #define _INTe(f) #f, wpa_config_parse_int, wpa_config_write_int, \
1496 OFFSET(eap.f), (void *) 0
1497 #endif /* NO_CONFIG_WRITE */
1499 /* INT: Define an integer variable */
1500 #define INT(f) _INT(f), NULL, NULL, 0
1501 #define INTe(f) _INTe(f), NULL, NULL, 0
1503 /* INT_RANGE: Define an integer variable with allowed value range */
1504 #define INT_RANGE(f, min, max) _INT(f), (void *) (min), (void *) (max), 0
1506 /* FUNC: Define a configuration variable that uses a custom function for
1507 * parsing and writing the value. */
1508 #ifdef NO_CONFIG_WRITE
1509 #define _FUNC(f) #f, wpa_config_parse_ ## f, NULL, NULL, NULL, NULL
1510 #else /* NO_CONFIG_WRITE */
1511 #define _FUNC(f) #f, wpa_config_parse_ ## f, wpa_config_write_ ## f, \
1512 NULL, NULL, NULL, NULL
1513 #endif /* NO_CONFIG_WRITE */
1514 #define FUNC(f) _FUNC(f), 0
1515 #define FUNC_KEY(f) _FUNC(f), 1
1518 * Table of network configuration variables. This table is used to parse each
1519 * network configuration variable, e.g., each line in wpa_supplicant.conf file
1520 * that is inside a network block.
1522 * This table is generated using the helper macros defined above and with
1523 * generous help from the C pre-processor. The field name is stored as a string
1524 * into .name and for STR and INT types, the offset of the target buffer within
1525 * struct wpa_ssid is stored in .param1. .param2 (if not NULL) is similar
1526 * offset to the field containing the length of the configuration variable.
1527 * .param3 and .param4 can be used to mark the allowed range (length for STR
1528 * and value for INT).
1530 * For each configuration line in wpa_supplicant.conf, the parser goes through
1531 * this table and select the entry that matches with the field name. The parser
1532 * function (.parser) is then called to parse the actual value of the field.
1534 * This kind of mechanism makes it easy to add new configuration parameters,
1535 * since only one line needs to be added into this table and into the
1536 * struct wpa_ssid definition if the new variable is either a string or
1537 * integer. More complex types will need to use their own parser and writer
1540 static const struct parse_data ssid_fields[] = {
1541 { STR_RANGE(ssid, 0, MAX_SSID_LEN) },
1542 { INT_RANGE(scan_ssid, 0, 1) },
1547 { INT(bg_scan_period) },
1551 { FUNC(scan_freq) },
1552 { FUNC(freq_list) },
1553 #ifdef IEEE8021X_EAPOL
1555 { STR_LENe(identity) },
1556 { STR_LENe(anonymous_identity) },
1557 { FUNC_KEY(password) },
1560 { STRe(client_cert) },
1561 { STRe(private_key) },
1562 { STR_KEYe(private_key_passwd) },
1564 { STRe(subject_match) },
1565 { STRe(altsubject_match) },
1568 { STRe(client_cert2) },
1569 { STRe(private_key2) },
1570 { STR_KEYe(private_key2_passwd) },
1572 { STRe(subject_match2) },
1573 { STRe(altsubject_match2) },
1578 { STRe(engine_id) },
1581 { STRe(ca_cert_id) },
1583 { STRe(engine2_id) },
1586 { STRe(ca_cert2_id) },
1589 { INT(eapol_flags) },
1590 #endif /* IEEE8021X_EAPOL */
1591 { FUNC_KEY(wep_key0) },
1592 { FUNC_KEY(wep_key1) },
1593 { FUNC_KEY(wep_key2) },
1594 { FUNC_KEY(wep_key3) },
1595 { INT(wep_tx_keyidx) },
1597 #ifdef IEEE8021X_EAPOL
1598 { INT(eap_workaround) },
1600 { INTe(fragment_size) },
1601 #endif /* IEEE8021X_EAPOL */
1602 { INT_RANGE(mode, 0, 4) },
1603 { INT_RANGE(proactive_key_caching, 0, 1) },
1604 { INT_RANGE(disabled, 0, 2) },
1606 #ifdef CONFIG_IEEE80211W
1607 { INT_RANGE(ieee80211w, 0, 2) },
1608 #endif /* CONFIG_IEEE80211W */
1609 { INT_RANGE(peerkey, 0, 1) },
1610 { INT_RANGE(mixed_cell, 0, 1) },
1611 { INT_RANGE(frequency, 0, 10000) },
1612 { INT(wpa_ptk_rekey) },
1614 { INT_RANGE(ignore_broadcast_ssid, 0, 2) },
1616 { FUNC(p2p_client_list) },
1617 #endif /* CONFIG_P2P */
1618 #ifdef CONFIG_HT_OVERRIDES
1619 { INT_RANGE(disable_ht, 0, 1) },
1620 { INT_RANGE(disable_ht40, -1, 1) },
1621 { INT_RANGE(disable_max_amsdu, -1, 1) },
1622 { INT_RANGE(ampdu_factor, -1, 3) },
1623 { INT_RANGE(ampdu_density, -1, 7) },
1625 #endif /* CONFIG_HT_OVERRIDES */
1626 { INT(ap_max_inactivity) },
1627 { INT(dtim_period) },
1639 #undef STR_RANGE_KEY
1646 #define NUM_SSID_FIELDS (sizeof(ssid_fields) / sizeof(ssid_fields[0]))
1650 * wpa_config_add_prio_network - Add a network to priority lists
1651 * @config: Configuration data from wpa_config_read()
1652 * @ssid: Pointer to the network configuration to be added to the list
1653 * Returns: 0 on success, -1 on failure
1655 * This function is used to add a network block to the priority list of
1656 * networks. This must be called for each network when reading in the full
1657 * configuration. In addition, this can be used indirectly when updating
1658 * priorities by calling wpa_config_update_prio_list().
1660 int wpa_config_add_prio_network(struct wpa_config *config,
1661 struct wpa_ssid *ssid)
1664 struct wpa_ssid *prev, **nlist;
1667 * Add to an existing priority list if one is available for the
1668 * configured priority level for this network.
1670 for (prio = 0; prio < config->num_prio; prio++) {
1671 prev = config->pssid[prio];
1672 if (prev->priority == ssid->priority) {
1680 /* First network for this priority - add a new priority list */
1681 nlist = os_realloc_array(config->pssid, config->num_prio + 1,
1682 sizeof(struct wpa_ssid *));
1686 for (prio = 0; prio < config->num_prio; prio++) {
1687 if (nlist[prio]->priority < ssid->priority) {
1688 os_memmove(&nlist[prio + 1], &nlist[prio],
1689 (config->num_prio - prio) *
1690 sizeof(struct wpa_ssid *));
1697 config->pssid = nlist;
1704 * wpa_config_update_prio_list - Update network priority list
1705 * @config: Configuration data from wpa_config_read()
1706 * Returns: 0 on success, -1 on failure
1708 * This function is called to update the priority list of networks in the
1709 * configuration when a network is being added or removed. This is also called
1710 * if a priority for a network is changed.
1712 int wpa_config_update_prio_list(struct wpa_config *config)
1714 struct wpa_ssid *ssid;
1717 os_free(config->pssid);
1718 config->pssid = NULL;
1719 config->num_prio = 0;
1721 ssid = config->ssid;
1724 if (wpa_config_add_prio_network(config, ssid) < 0)
1733 #ifdef IEEE8021X_EAPOL
1734 static void eap_peer_config_free(struct eap_peer_config *eap)
1736 os_free(eap->eap_methods);
1737 os_free(eap->identity);
1738 os_free(eap->anonymous_identity);
1739 os_free(eap->password);
1740 os_free(eap->ca_cert);
1741 os_free(eap->ca_path);
1742 os_free(eap->client_cert);
1743 os_free(eap->private_key);
1744 os_free(eap->private_key_passwd);
1745 os_free(eap->dh_file);
1746 os_free(eap->subject_match);
1747 os_free(eap->altsubject_match);
1748 os_free(eap->ca_cert2);
1749 os_free(eap->ca_path2);
1750 os_free(eap->client_cert2);
1751 os_free(eap->private_key2);
1752 os_free(eap->private_key2_passwd);
1753 os_free(eap->dh_file2);
1754 os_free(eap->subject_match2);
1755 os_free(eap->altsubject_match2);
1756 os_free(eap->phase1);
1757 os_free(eap->phase2);
1760 os_free(eap->engine_id);
1761 os_free(eap->key_id);
1762 os_free(eap->cert_id);
1763 os_free(eap->ca_cert_id);
1764 os_free(eap->key2_id);
1765 os_free(eap->cert2_id);
1766 os_free(eap->ca_cert2_id);
1768 os_free(eap->engine2_id);
1770 os_free(eap->pending_req_otp);
1771 os_free(eap->pac_file);
1772 os_free(eap->new_password);
1774 #endif /* IEEE8021X_EAPOL */
1778 * wpa_config_free_ssid - Free network/ssid configuration data
1779 * @ssid: Configuration data for the network
1781 * This function frees all resources allocated for the network configuration
1784 void wpa_config_free_ssid(struct wpa_ssid *ssid)
1786 os_free(ssid->ssid);
1787 os_free(ssid->passphrase);
1788 os_free(ssid->ext_psk);
1789 #ifdef IEEE8021X_EAPOL
1790 eap_peer_config_free(&ssid->eap);
1791 #endif /* IEEE8021X_EAPOL */
1792 os_free(ssid->id_str);
1793 os_free(ssid->scan_freq);
1794 os_free(ssid->freq_list);
1795 os_free(ssid->bgscan);
1796 os_free(ssid->p2p_client_list);
1797 #ifdef CONFIG_HT_OVERRIDES
1798 os_free(ssid->ht_mcs);
1799 #endif /* CONFIG_HT_OVERRIDES */
1804 void wpa_config_free_cred(struct wpa_cred *cred)
1806 os_free(cred->realm);
1807 os_free(cred->username);
1808 os_free(cred->password);
1809 os_free(cred->ca_cert);
1810 os_free(cred->client_cert);
1811 os_free(cred->private_key);
1812 os_free(cred->private_key_passwd);
1813 os_free(cred->imsi);
1814 os_free(cred->milenage);
1815 os_free(cred->domain);
1816 os_free(cred->eap_method);
1817 os_free(cred->phase1);
1818 os_free(cred->phase2);
1824 * wpa_config_free - Free configuration data
1825 * @config: Configuration data from wpa_config_read()
1827 * This function frees all resources allocated for the configuration data by
1828 * wpa_config_read().
1830 void wpa_config_free(struct wpa_config *config)
1832 #ifndef CONFIG_NO_CONFIG_BLOBS
1833 struct wpa_config_blob *blob, *prevblob;
1834 #endif /* CONFIG_NO_CONFIG_BLOBS */
1835 struct wpa_ssid *ssid, *prev = NULL;
1836 struct wpa_cred *cred, *cprev;
1838 ssid = config->ssid;
1842 wpa_config_free_ssid(prev);
1845 cred = config->cred;
1849 wpa_config_free_cred(cprev);
1852 #ifndef CONFIG_NO_CONFIG_BLOBS
1853 blob = config->blobs;
1858 wpa_config_free_blob(prevblob);
1860 #endif /* CONFIG_NO_CONFIG_BLOBS */
1862 wpabuf_free(config->wps_vendor_ext_m1);
1863 os_free(config->ctrl_interface);
1864 os_free(config->ctrl_interface_group);
1865 os_free(config->opensc_engine_path);
1866 os_free(config->pkcs11_engine_path);
1867 os_free(config->pkcs11_module_path);
1868 os_free(config->pcsc_reader);
1869 os_free(config->pcsc_pin);
1870 os_free(config->driver_param);
1871 os_free(config->device_name);
1872 os_free(config->manufacturer);
1873 os_free(config->model_name);
1874 os_free(config->model_number);
1875 os_free(config->serial_number);
1876 os_free(config->config_methods);
1877 os_free(config->p2p_ssid_postfix);
1878 os_free(config->pssid);
1879 os_free(config->p2p_pref_chan);
1880 os_free(config->autoscan);
1881 wpabuf_free(config->wps_nfc_dh_pubkey);
1882 wpabuf_free(config->wps_nfc_dh_privkey);
1883 wpabuf_free(config->wps_nfc_dev_pw);
1884 os_free(config->ext_password_backend);
1890 * wpa_config_foreach_network - Iterate over each configured network
1891 * @config: Configuration data from wpa_config_read()
1892 * @func: Callback function to process each network
1893 * @arg: Opaque argument to pass to callback function
1895 * Iterate over the set of configured networks calling the specified
1896 * function for each item. We guard against callbacks removing the
1899 void wpa_config_foreach_network(struct wpa_config *config,
1900 void (*func)(void *, struct wpa_ssid *),
1903 struct wpa_ssid *ssid, *next;
1905 ssid = config->ssid;
1915 * wpa_config_get_network - Get configured network based on id
1916 * @config: Configuration data from wpa_config_read()
1917 * @id: Unique network id to search for
1918 * Returns: Network configuration or %NULL if not found
1920 struct wpa_ssid * wpa_config_get_network(struct wpa_config *config, int id)
1922 struct wpa_ssid *ssid;
1924 ssid = config->ssid;
1936 * wpa_config_add_network - Add a new network with empty configuration
1937 * @config: Configuration data from wpa_config_read()
1938 * Returns: The new network configuration or %NULL if operation failed
1940 struct wpa_ssid * wpa_config_add_network(struct wpa_config *config)
1943 struct wpa_ssid *ssid, *last = NULL;
1946 ssid = config->ssid;
1955 ssid = os_zalloc(sizeof(*ssid));
1962 config->ssid = ssid;
1964 wpa_config_update_prio_list(config);
1971 * wpa_config_remove_network - Remove a configured network based on id
1972 * @config: Configuration data from wpa_config_read()
1973 * @id: Unique network id to search for
1974 * Returns: 0 on success, or -1 if the network was not found
1976 int wpa_config_remove_network(struct wpa_config *config, int id)
1978 struct wpa_ssid *ssid, *prev = NULL;
1980 ssid = config->ssid;
1992 prev->next = ssid->next;
1994 config->ssid = ssid->next;
1996 wpa_config_update_prio_list(config);
1997 wpa_config_free_ssid(ssid);
2003 * wpa_config_set_network_defaults - Set network default values
2004 * @ssid: Pointer to network configuration data
2006 void wpa_config_set_network_defaults(struct wpa_ssid *ssid)
2008 ssid->proto = DEFAULT_PROTO;
2009 ssid->pairwise_cipher = DEFAULT_PAIRWISE;
2010 ssid->group_cipher = DEFAULT_GROUP;
2011 ssid->key_mgmt = DEFAULT_KEY_MGMT;
2012 ssid->bg_scan_period = DEFAULT_BG_SCAN_PERIOD;
2013 #ifdef IEEE8021X_EAPOL
2014 ssid->eapol_flags = DEFAULT_EAPOL_FLAGS;
2015 ssid->eap_workaround = DEFAULT_EAP_WORKAROUND;
2016 ssid->eap.fragment_size = DEFAULT_FRAGMENT_SIZE;
2017 #endif /* IEEE8021X_EAPOL */
2018 #ifdef CONFIG_HT_OVERRIDES
2019 ssid->disable_ht = DEFAULT_DISABLE_HT;
2020 ssid->disable_ht40 = DEFAULT_DISABLE_HT40;
2021 ssid->disable_max_amsdu = DEFAULT_DISABLE_MAX_AMSDU;
2022 ssid->ampdu_factor = DEFAULT_AMPDU_FACTOR;
2023 ssid->ampdu_density = DEFAULT_AMPDU_DENSITY;
2024 #endif /* CONFIG_HT_OVERRIDES */
2029 * wpa_config_set - Set a variable in network configuration
2030 * @ssid: Pointer to network configuration data
2031 * @var: Variable name, e.g., "ssid"
2032 * @value: Variable value
2033 * @line: Line number in configuration file or 0 if not used
2034 * Returns: 0 on success, -1 on failure
2036 * This function can be used to set network configuration variables based on
2037 * both the configuration file and management interface input. The value
2038 * parameter must be in the same format as the text-based configuration file is
2039 * using. For example, strings are using double quotation marks.
2041 int wpa_config_set(struct wpa_ssid *ssid, const char *var, const char *value,
2047 if (ssid == NULL || var == NULL || value == NULL)
2050 for (i = 0; i < NUM_SSID_FIELDS; i++) {
2051 const struct parse_data *field = &ssid_fields[i];
2052 if (os_strcmp(var, field->name) != 0)
2055 if (field->parser(field, ssid, line, value)) {
2057 wpa_printf(MSG_ERROR, "Line %d: failed to "
2058 "parse %s '%s'.", line, var, value);
2064 if (i == NUM_SSID_FIELDS) {
2066 wpa_printf(MSG_ERROR, "Line %d: unknown network field "
2067 "'%s'.", line, var);
2076 int wpa_config_set_quoted(struct wpa_ssid *ssid, const char *var,
2083 len = os_strlen(value);
2084 buf = os_malloc(len + 3);
2088 os_memcpy(buf + 1, value, len);
2090 buf[len + 2] = '\0';
2091 ret = wpa_config_set(ssid, var, buf, 0);
2098 * wpa_config_get_all - Get all options from network configuration
2099 * @ssid: Pointer to network configuration data
2100 * @get_keys: Determines if keys/passwords will be included in returned list
2101 * (if they may be exported)
2102 * Returns: %NULL terminated list of all set keys and their values in the form
2103 * of [key1, val1, key2, val2, ... , NULL]
2105 * This function can be used to get list of all configured network properties.
2106 * The caller is responsible for freeing the returned list and all its
2109 char ** wpa_config_get_all(struct wpa_ssid *ssid, int get_keys)
2111 const struct parse_data *field;
2117 get_keys = get_keys && ssid->export_keys;
2119 props = os_calloc(2 * NUM_SSID_FIELDS + 1, sizeof(char *));
2124 for (i = 0; i < NUM_SSID_FIELDS; i++) {
2125 field = &ssid_fields[i];
2126 if (field->key_data && !get_keys)
2128 value = field->writer(field, ssid);
2131 if (os_strlen(value) == 0) {
2136 key = os_strdup(field->name);
2142 props[fields_num * 2] = key;
2143 props[fields_num * 2 + 1] = value;
2159 #ifndef NO_CONFIG_WRITE
2161 * wpa_config_get - Get a variable in network configuration
2162 * @ssid: Pointer to network configuration data
2163 * @var: Variable name, e.g., "ssid"
2164 * Returns: Value of the variable or %NULL on failure
2166 * This function can be used to get network configuration variables. The
2167 * returned value is a copy of the configuration variable in text format, i.e,.
2168 * the same format that the text-based configuration file and wpa_config_set()
2169 * are using for the value. The caller is responsible for freeing the returned
2172 char * wpa_config_get(struct wpa_ssid *ssid, const char *var)
2176 if (ssid == NULL || var == NULL)
2179 for (i = 0; i < NUM_SSID_FIELDS; i++) {
2180 const struct parse_data *field = &ssid_fields[i];
2181 if (os_strcmp(var, field->name) == 0)
2182 return field->writer(field, ssid);
2190 * wpa_config_get_no_key - Get a variable in network configuration (no keys)
2191 * @ssid: Pointer to network configuration data
2192 * @var: Variable name, e.g., "ssid"
2193 * Returns: Value of the variable or %NULL on failure
2195 * This function can be used to get network configuration variable like
2196 * wpa_config_get(). The only difference is that this functions does not expose
2197 * key/password material from the configuration. In case a key/password field
2198 * is requested, the returned value is an empty string or %NULL if the variable
2199 * is not set or "*" if the variable is set (regardless of its value). The
2200 * returned value is a copy of the configuration variable in text format, i.e,.
2201 * the same format that the text-based configuration file and wpa_config_set()
2202 * are using for the value. The caller is responsible for freeing the returned
2205 char * wpa_config_get_no_key(struct wpa_ssid *ssid, const char *var)
2209 if (ssid == NULL || var == NULL)
2212 for (i = 0; i < NUM_SSID_FIELDS; i++) {
2213 const struct parse_data *field = &ssid_fields[i];
2214 if (os_strcmp(var, field->name) == 0) {
2215 char *res = field->writer(field, ssid);
2216 if (field->key_data) {
2217 if (res && res[0]) {
2218 wpa_printf(MSG_DEBUG, "Do not allow "
2219 "key_data field to be "
2222 return os_strdup("*");
2234 #endif /* NO_CONFIG_WRITE */
2238 * wpa_config_update_psk - Update WPA PSK based on passphrase and SSID
2239 * @ssid: Pointer to network configuration data
2241 * This function must be called to update WPA PSK when either SSID or the
2242 * passphrase has changed for the network configuration.
2244 void wpa_config_update_psk(struct wpa_ssid *ssid)
2246 #ifndef CONFIG_NO_PBKDF2
2247 pbkdf2_sha1(ssid->passphrase, ssid->ssid, ssid->ssid_len, 4096,
2248 ssid->psk, PMK_LEN);
2249 wpa_hexdump_key(MSG_MSGDUMP, "PSK (from passphrase)",
2250 ssid->psk, PMK_LEN);
2252 #endif /* CONFIG_NO_PBKDF2 */
2256 int wpa_config_set_cred(struct wpa_cred *cred, const char *var,
2257 const char *value, int line)
2262 if (os_strcmp(var, "priority") == 0) {
2263 cred->priority = atoi(value);
2267 if (os_strcmp(var, "pcsc") == 0) {
2268 cred->pcsc = atoi(value);
2272 if (os_strcmp(var, "eap") == 0) {
2273 struct eap_method_type method;
2274 method.method = eap_peer_get_type(value, &method.vendor);
2275 if (method.vendor == EAP_VENDOR_IETF &&
2276 method.method == EAP_TYPE_NONE) {
2277 wpa_printf(MSG_ERROR, "Line %d: unknown EAP type '%s' "
2278 "for a credential", line, value);
2281 os_free(cred->eap_method);
2282 cred->eap_method = os_malloc(sizeof(*cred->eap_method));
2283 if (cred->eap_method == NULL)
2285 os_memcpy(cred->eap_method, &method, sizeof(method));
2289 if (os_strcmp(var, "password") == 0 &&
2290 os_strncmp(value, "ext:", 4) == 0) {
2291 os_free(cred->password);
2292 cred->password = os_strdup(value);
2293 cred->ext_password = 1;
2297 val = wpa_config_parse_string(value, &len);
2299 wpa_printf(MSG_ERROR, "Line %d: invalid field '%s' string "
2300 "value '%s'.", line, var, value);
2304 if (os_strcmp(var, "realm") == 0) {
2305 os_free(cred->realm);
2310 if (os_strcmp(var, "username") == 0) {
2311 os_free(cred->username);
2312 cred->username = val;
2316 if (os_strcmp(var, "password") == 0) {
2317 os_free(cred->password);
2318 cred->password = val;
2319 cred->ext_password = 0;
2323 if (os_strcmp(var, "ca_cert") == 0) {
2324 os_free(cred->ca_cert);
2325 cred->ca_cert = val;
2329 if (os_strcmp(var, "client_cert") == 0) {
2330 os_free(cred->client_cert);
2331 cred->client_cert = val;
2335 if (os_strcmp(var, "private_key") == 0) {
2336 os_free(cred->private_key);
2337 cred->private_key = val;
2341 if (os_strcmp(var, "private_key_passwd") == 0) {
2342 os_free(cred->private_key_passwd);
2343 cred->private_key_passwd = val;
2347 if (os_strcmp(var, "imsi") == 0) {
2348 os_free(cred->imsi);
2353 if (os_strcmp(var, "milenage") == 0) {
2354 os_free(cred->milenage);
2355 cred->milenage = val;
2359 if (os_strcmp(var, "domain") == 0) {
2360 os_free(cred->domain);
2365 if (os_strcmp(var, "phase1") == 0) {
2366 os_free(cred->phase1);
2371 if (os_strcmp(var, "phase2") == 0) {
2372 os_free(cred->phase2);
2377 if (os_strcmp(var, "roaming_consortium") == 0) {
2378 if (len < 3 || len > sizeof(cred->roaming_consortium)) {
2379 wpa_printf(MSG_ERROR, "Line %d: invalid "
2380 "roaming_consortium length %d (3..15 "
2381 "expected)", line, (int) len);
2385 os_memcpy(cred->roaming_consortium, val, len);
2386 cred->roaming_consortium_len = len;
2392 wpa_printf(MSG_ERROR, "Line %d: unknown cred field '%s'.",
2402 struct wpa_cred * wpa_config_get_cred(struct wpa_config *config, int id)
2404 struct wpa_cred *cred;
2406 cred = config->cred;
2417 struct wpa_cred * wpa_config_add_cred(struct wpa_config *config)
2420 struct wpa_cred *cred, *last = NULL;
2423 cred = config->cred;
2432 cred = os_zalloc(sizeof(*cred));
2439 config->cred = cred;
2445 int wpa_config_remove_cred(struct wpa_config *config, int id)
2447 struct wpa_cred *cred, *prev = NULL;
2449 cred = config->cred;
2461 prev->next = cred->next;
2463 config->cred = cred->next;
2465 wpa_config_free_cred(cred);
2470 #ifndef CONFIG_NO_CONFIG_BLOBS
2472 * wpa_config_get_blob - Get a named configuration blob
2473 * @config: Configuration data from wpa_config_read()
2474 * @name: Name of the blob
2475 * Returns: Pointer to blob data or %NULL if not found
2477 const struct wpa_config_blob * wpa_config_get_blob(struct wpa_config *config,
2480 struct wpa_config_blob *blob = config->blobs;
2483 if (os_strcmp(blob->name, name) == 0)
2492 * wpa_config_set_blob - Set or add a named configuration blob
2493 * @config: Configuration data from wpa_config_read()
2494 * @blob: New value for the blob
2496 * Adds a new configuration blob or replaces the current value of an existing
2499 void wpa_config_set_blob(struct wpa_config *config,
2500 struct wpa_config_blob *blob)
2502 wpa_config_remove_blob(config, blob->name);
2503 blob->next = config->blobs;
2504 config->blobs = blob;
2509 * wpa_config_free_blob - Free blob data
2510 * @blob: Pointer to blob to be freed
2512 void wpa_config_free_blob(struct wpa_config_blob *blob)
2515 os_free(blob->name);
2516 os_free(blob->data);
2523 * wpa_config_remove_blob - Remove a named configuration blob
2524 * @config: Configuration data from wpa_config_read()
2525 * @name: Name of the blob to remove
2526 * Returns: 0 if blob was removed or -1 if blob was not found
2528 int wpa_config_remove_blob(struct wpa_config *config, const char *name)
2530 struct wpa_config_blob *pos = config->blobs, *prev = NULL;
2533 if (os_strcmp(pos->name, name) == 0) {
2535 prev->next = pos->next;
2537 config->blobs = pos->next;
2538 wpa_config_free_blob(pos);
2547 #endif /* CONFIG_NO_CONFIG_BLOBS */
2551 * wpa_config_alloc_empty - Allocate an empty configuration
2552 * @ctrl_interface: Control interface parameters, e.g., path to UNIX domain
2554 * @driver_param: Driver parameters
2555 * Returns: Pointer to allocated configuration data or %NULL on failure
2557 struct wpa_config * wpa_config_alloc_empty(const char *ctrl_interface,
2558 const char *driver_param)
2560 struct wpa_config *config;
2561 const int aCWmin = 4, aCWmax = 10;
2562 const struct hostapd_wmm_ac_params ac_bk =
2563 { aCWmin, aCWmax, 7, 0, 0 }; /* background traffic */
2564 const struct hostapd_wmm_ac_params ac_be =
2565 { aCWmin, aCWmax, 3, 0, 0 }; /* best effort traffic */
2566 const struct hostapd_wmm_ac_params ac_vi = /* video traffic */
2567 { aCWmin - 1, aCWmin, 2, 3000 / 32, 0 };
2568 const struct hostapd_wmm_ac_params ac_vo = /* voice traffic */
2569 { aCWmin - 2, aCWmin - 1, 2, 1500 / 32, 0 };
2571 config = os_zalloc(sizeof(*config));
2574 config->eapol_version = DEFAULT_EAPOL_VERSION;
2575 config->ap_scan = DEFAULT_AP_SCAN;
2576 config->fast_reauth = DEFAULT_FAST_REAUTH;
2577 config->p2p_go_intent = DEFAULT_P2P_GO_INTENT;
2578 config->p2p_intra_bss = DEFAULT_P2P_INTRA_BSS;
2579 config->p2p_go_max_inactivity = DEFAULT_P2P_GO_MAX_INACTIVITY;
2580 config->bss_max_count = DEFAULT_BSS_MAX_COUNT;
2581 config->bss_expiration_age = DEFAULT_BSS_EXPIRATION_AGE;
2582 config->bss_expiration_scan_count = DEFAULT_BSS_EXPIRATION_SCAN_COUNT;
2583 config->max_num_sta = DEFAULT_MAX_NUM_STA;
2584 config->access_network_type = DEFAULT_ACCESS_NETWORK_TYPE;
2585 config->wmm_ac_params[0] = ac_be;
2586 config->wmm_ac_params[1] = ac_bk;
2587 config->wmm_ac_params[2] = ac_vi;
2588 config->wmm_ac_params[3] = ac_vo;
2591 config->ctrl_interface = os_strdup(ctrl_interface);
2593 config->driver_param = os_strdup(driver_param);
2599 #ifndef CONFIG_NO_STDOUT_DEBUG
2601 * wpa_config_debug_dump_networks - Debug dump of configured networks
2602 * @config: Configuration data from wpa_config_read()
2604 void wpa_config_debug_dump_networks(struct wpa_config *config)
2607 struct wpa_ssid *ssid;
2609 for (prio = 0; prio < config->num_prio; prio++) {
2610 ssid = config->pssid[prio];
2611 wpa_printf(MSG_DEBUG, "Priority group %d",
2614 wpa_printf(MSG_DEBUG, " id=%d ssid='%s'",
2616 wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
2621 #endif /* CONFIG_NO_STDOUT_DEBUG */
2624 struct global_parse_data {
2626 int (*parser)(const struct global_parse_data *data,
2627 struct wpa_config *config, int line, const char *value);
2628 void *param1, *param2, *param3;
2629 unsigned int changed_flag;
2633 static int wpa_global_config_parse_int(const struct global_parse_data *data,
2634 struct wpa_config *config, int line,
2638 dst = (int *) (((u8 *) config) + (long) data->param1);
2640 wpa_printf(MSG_DEBUG, "%s=%d", data->name, *dst);
2642 if (data->param2 && *dst < (long) data->param2) {
2643 wpa_printf(MSG_ERROR, "Line %d: too small %s (value=%d "
2644 "min_value=%ld)", line, data->name, *dst,
2645 (long) data->param2);
2646 *dst = (long) data->param2;
2650 if (data->param3 && *dst > (long) data->param3) {
2651 wpa_printf(MSG_ERROR, "Line %d: too large %s (value=%d "
2652 "max_value=%ld)", line, data->name, *dst,
2653 (long) data->param3);
2654 *dst = (long) data->param3;
2662 static int wpa_global_config_parse_str(const struct global_parse_data *data,
2663 struct wpa_config *config, int line,
2669 len = os_strlen(pos);
2670 if (data->param2 && len < (size_t) data->param2) {
2671 wpa_printf(MSG_ERROR, "Line %d: too short %s (len=%lu "
2672 "min_len=%ld)", line, data->name,
2673 (unsigned long) len, (long) data->param2);
2677 if (data->param3 && len > (size_t) data->param3) {
2678 wpa_printf(MSG_ERROR, "Line %d: too long %s (len=%lu "
2679 "max_len=%ld)", line, data->name,
2680 (unsigned long) len, (long) data->param3);
2684 tmp = os_strdup(pos);
2688 dst = (char **) (((u8 *) config) + (long) data->param1);
2691 wpa_printf(MSG_DEBUG, "%s='%s'", data->name, *dst);
2697 static int wpa_global_config_parse_bin(const struct global_parse_data *data,
2698 struct wpa_config *config, int line,
2702 struct wpabuf **dst, *tmp;
2704 len = os_strlen(pos);
2708 tmp = wpabuf_alloc(len / 2);
2712 if (hexstr2bin(pos, wpabuf_put(tmp, len / 2), len / 2)) {
2717 dst = (struct wpabuf **) (((u8 *) config) + (long) data->param1);
2720 wpa_printf(MSG_DEBUG, "%s", data->name);
2726 static int wpa_config_process_country(const struct global_parse_data *data,
2727 struct wpa_config *config, int line,
2730 if (!pos[0] || !pos[1]) {
2731 wpa_printf(MSG_DEBUG, "Invalid country set");
2734 config->country[0] = pos[0];
2735 config->country[1] = pos[1];
2736 wpa_printf(MSG_DEBUG, "country='%c%c'",
2737 config->country[0], config->country[1]);
2742 static int wpa_config_process_load_dynamic_eap(
2743 const struct global_parse_data *data, struct wpa_config *config,
2744 int line, const char *so)
2747 wpa_printf(MSG_DEBUG, "load_dynamic_eap=%s", so);
2748 ret = eap_peer_method_load(so);
2750 wpa_printf(MSG_DEBUG, "This EAP type was already loaded - not "
2753 wpa_printf(MSG_ERROR, "Line %d: Failed to load dynamic EAP "
2754 "method '%s'.", line, so);
2764 static int wpa_config_process_uuid(const struct global_parse_data *data,
2765 struct wpa_config *config, int line,
2769 if (uuid_str2bin(pos, config->uuid)) {
2770 wpa_printf(MSG_ERROR, "Line %d: invalid UUID", line);
2773 uuid_bin2str(config->uuid, buf, sizeof(buf));
2774 wpa_printf(MSG_DEBUG, "uuid=%s", buf);
2779 static int wpa_config_process_device_type(
2780 const struct global_parse_data *data,
2781 struct wpa_config *config, int line, const char *pos)
2783 return wps_dev_type_str2bin(pos, config->device_type);
2787 static int wpa_config_process_os_version(const struct global_parse_data *data,
2788 struct wpa_config *config, int line,
2791 if (hexstr2bin(pos, config->os_version, 4)) {
2792 wpa_printf(MSG_ERROR, "Line %d: invalid os_version", line);
2795 wpa_printf(MSG_DEBUG, "os_version=%08x",
2796 WPA_GET_BE32(config->os_version));
2801 static int wpa_config_process_wps_vendor_ext_m1(
2802 const struct global_parse_data *data,
2803 struct wpa_config *config, int line, const char *pos)
2806 int len = os_strlen(pos) / 2;
2810 wpa_printf(MSG_ERROR, "Line %d: "
2811 "invalid wps_vendor_ext_m1", line);
2815 tmp = wpabuf_alloc(len);
2817 p = wpabuf_put(tmp, len);
2819 if (hexstr2bin(pos, p, len)) {
2820 wpa_printf(MSG_ERROR, "Line %d: "
2821 "invalid wps_vendor_ext_m1", line);
2826 wpabuf_free(config->wps_vendor_ext_m1);
2827 config->wps_vendor_ext_m1 = tmp;
2829 wpa_printf(MSG_ERROR, "Can not allocate "
2830 "memory for wps_vendor_ext_m1");
2837 #endif /* CONFIG_WPS */
2840 static int wpa_config_process_sec_device_type(
2841 const struct global_parse_data *data,
2842 struct wpa_config *config, int line, const char *pos)
2846 if (config->num_sec_device_types >= MAX_SEC_DEVICE_TYPES) {
2847 wpa_printf(MSG_ERROR, "Line %d: too many sec_device_type "
2852 idx = config->num_sec_device_types;
2854 if (wps_dev_type_str2bin(pos, config->sec_device_type[idx]))
2857 config->num_sec_device_types++;
2862 static int wpa_config_process_p2p_pref_chan(
2863 const struct global_parse_data *data,
2864 struct wpa_config *config, int line, const char *pos)
2866 struct p2p_channel *pref = NULL, *n;
2867 unsigned int num = 0;
2871 /* format: class:chan,class:chan,... */
2874 op_class = atoi(pos);
2875 pos2 = os_strchr(pos, ':');
2881 n = os_realloc_array(pref, num + 1,
2882 sizeof(struct p2p_channel));
2886 pref[num].op_class = op_class;
2887 pref[num].chan = chan;
2890 pos = os_strchr(pos2, ',');
2896 os_free(config->p2p_pref_chan);
2897 config->p2p_pref_chan = pref;
2898 config->num_p2p_pref_chan = num;
2899 wpa_hexdump(MSG_DEBUG, "P2P: Preferred class/channel pairs",
2900 (u8 *) config->p2p_pref_chan,
2901 config->num_p2p_pref_chan * sizeof(struct p2p_channel));
2907 wpa_printf(MSG_ERROR, "Line %d: Invalid p2p_pref_chan list", line);
2910 #endif /* CONFIG_P2P */
2913 static int wpa_config_process_hessid(
2914 const struct global_parse_data *data,
2915 struct wpa_config *config, int line, const char *pos)
2917 if (hwaddr_aton2(pos, config->hessid) < 0) {
2918 wpa_printf(MSG_ERROR, "Line %d: Invalid hessid '%s'",
2930 /* OFFSET: Get offset of a variable within the wpa_config structure */
2931 #define OFFSET(v) ((void *) &((struct wpa_config *) 0)->v)
2933 #define FUNC(f) #f, wpa_config_process_ ## f, OFFSET(f), NULL, NULL
2934 #define FUNC_NO_VAR(f) #f, wpa_config_process_ ## f, NULL, NULL, NULL
2935 #define _INT(f) #f, wpa_global_config_parse_int, OFFSET(f)
2936 #define INT(f) _INT(f), NULL, NULL
2937 #define INT_RANGE(f, min, max) _INT(f), (void *) min, (void *) max
2938 #define _STR(f) #f, wpa_global_config_parse_str, OFFSET(f)
2939 #define STR(f) _STR(f), NULL, NULL
2940 #define STR_RANGE(f, min, max) _STR(f), (void *) min, (void *) max
2941 #define BIN(f) #f, wpa_global_config_parse_bin, OFFSET(f), NULL, NULL
2943 static const struct global_parse_data global_fields[] = {
2944 #ifdef CONFIG_CTRL_IFACE
2945 { STR(ctrl_interface), 0 },
2946 { STR(ctrl_interface_group), 0 } /* deprecated */,
2947 #endif /* CONFIG_CTRL_IFACE */
2948 { INT_RANGE(eapol_version, 1, 2), 0 },
2949 { INT(ap_scan), 0 },
2950 { INT(disable_scan_offload), 0 },
2951 { INT(fast_reauth), 0 },
2952 { STR(opensc_engine_path), 0 },
2953 { STR(pkcs11_engine_path), 0 },
2954 { STR(pkcs11_module_path), 0 },
2955 { STR(pcsc_reader), 0 },
2956 { STR(pcsc_pin), 0 },
2957 { STR(driver_param), 0 },
2958 { INT(dot11RSNAConfigPMKLifetime), 0 },
2959 { INT(dot11RSNAConfigPMKReauthThreshold), 0 },
2960 { INT(dot11RSNAConfigSATimeout), 0 },
2961 #ifndef CONFIG_NO_CONFIG_WRITE
2962 { INT(update_config), 0 },
2963 #endif /* CONFIG_NO_CONFIG_WRITE */
2964 { FUNC_NO_VAR(load_dynamic_eap), 0 },
2966 { FUNC(uuid), CFG_CHANGED_UUID },
2967 { STR_RANGE(device_name, 0, 32), CFG_CHANGED_DEVICE_NAME },
2968 { STR_RANGE(manufacturer, 0, 64), CFG_CHANGED_WPS_STRING },
2969 { STR_RANGE(model_name, 0, 32), CFG_CHANGED_WPS_STRING },
2970 { STR_RANGE(model_number, 0, 32), CFG_CHANGED_WPS_STRING },
2971 { STR_RANGE(serial_number, 0, 32), CFG_CHANGED_WPS_STRING },
2972 { FUNC(device_type), CFG_CHANGED_DEVICE_TYPE },
2973 { FUNC(os_version), CFG_CHANGED_OS_VERSION },
2974 { STR(config_methods), CFG_CHANGED_CONFIG_METHODS },
2975 { INT_RANGE(wps_cred_processing, 0, 2), 0 },
2976 { FUNC(wps_vendor_ext_m1), CFG_CHANGED_VENDOR_EXTENSION },
2977 #endif /* CONFIG_WPS */
2979 { FUNC(sec_device_type), CFG_CHANGED_SEC_DEVICE_TYPE },
2980 { INT(p2p_listen_reg_class), 0 },
2981 { INT(p2p_listen_channel), 0 },
2982 { INT(p2p_oper_reg_class), 0 },
2983 { INT(p2p_oper_channel), 0 },
2984 { INT_RANGE(p2p_go_intent, 0, 15), 0 },
2985 { STR(p2p_ssid_postfix), CFG_CHANGED_P2P_SSID_POSTFIX },
2986 { INT_RANGE(persistent_reconnect, 0, 1), 0 },
2987 { INT_RANGE(p2p_intra_bss, 0, 1), CFG_CHANGED_P2P_INTRA_BSS },
2988 { INT(p2p_group_idle), 0 },
2989 { FUNC(p2p_pref_chan), CFG_CHANGED_P2P_PREF_CHAN },
2990 #endif /* CONFIG_P2P */
2991 { FUNC(country), CFG_CHANGED_COUNTRY },
2992 { INT(bss_max_count), 0 },
2993 { INT(bss_expiration_age), 0 },
2994 { INT(bss_expiration_scan_count), 0 },
2995 { INT_RANGE(filter_ssids, 0, 1), 0 },
2996 { INT_RANGE(filter_rssi, -100, 0), 0 },
2997 { INT(max_num_sta), 0 },
2998 { INT_RANGE(disassoc_low_ack, 0, 1), 0 },
3000 { INT_RANGE(hs20, 0, 1), 0 },
3001 #endif /* CONFIG_HS20 */
3002 { INT_RANGE(interworking, 0, 1), 0 },
3003 { FUNC(hessid), 0 },
3004 { INT_RANGE(access_network_type, 0, 15), 0 },
3005 { INT_RANGE(pbc_in_m1, 0, 1), 0 },
3006 { STR(autoscan), 0 },
3007 { INT_RANGE(wps_nfc_dev_pw_id, 0x10, 0xffff), 0 },
3008 { BIN(wps_nfc_dh_pubkey), 0 },
3009 { BIN(wps_nfc_dh_privkey), 0 },
3010 { BIN(wps_nfc_dev_pw), 0 },
3011 { STR(ext_password_backend), CFG_CHANGED_EXT_PW_BACKEND },
3012 { INT(p2p_go_max_inactivity), 0 },
3023 #define NUM_GLOBAL_FIELDS (sizeof(global_fields) / sizeof(global_fields[0]))
3026 int wpa_config_process_global(struct wpa_config *config, char *pos, int line)
3031 for (i = 0; i < NUM_GLOBAL_FIELDS; i++) {
3032 const struct global_parse_data *field = &global_fields[i];
3033 size_t flen = os_strlen(field->name);
3034 if (os_strncmp(pos, field->name, flen) != 0 ||
3038 if (field->parser(field, config, line, pos + flen + 1)) {
3039 wpa_printf(MSG_ERROR, "Line %d: failed to "
3040 "parse '%s'.", line, pos);
3043 config->changed_parameters |= field->changed_flag;
3046 if (i == NUM_GLOBAL_FIELDS) {
3048 if (os_strncmp(pos, "wmm_ac_", 7) == 0) {
3049 char *tmp = os_strchr(pos, '=');
3053 wpa_printf(MSG_ERROR, "Line %d: invalid line "
3058 if (hostapd_config_wmm_ac(config->wmm_ac_params, pos,
3060 wpa_printf(MSG_ERROR, "Line %d: invalid WMM "
3065 #endif /* CONFIG_AP */
3068 wpa_printf(MSG_ERROR, "Line %d: unknown global field '%s'.",