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, "GCMP") == 0)
647 val |= WPA_CIPHER_GCMP;
648 else if (os_strcmp(start, "TKIP") == 0)
649 val |= WPA_CIPHER_TKIP;
650 else if (os_strcmp(start, "WEP104") == 0)
651 val |= WPA_CIPHER_WEP104;
652 else if (os_strcmp(start, "WEP40") == 0)
653 val |= WPA_CIPHER_WEP40;
654 else if (os_strcmp(start, "NONE") == 0)
655 val |= WPA_CIPHER_NONE;
657 wpa_printf(MSG_ERROR, "Line %d: invalid cipher '%s'.",
670 wpa_printf(MSG_ERROR, "Line %d: no cipher values configured.",
678 #ifndef NO_CONFIG_WRITE
679 static char * wpa_config_write_cipher(int cipher)
681 char *buf, *pos, *end;
684 pos = buf = os_zalloc(50);
689 if (cipher & WPA_CIPHER_CCMP) {
690 ret = os_snprintf(pos, end - pos, "%sCCMP",
691 pos == buf ? "" : " ");
692 if (ret < 0 || ret >= end - pos) {
699 if (cipher & WPA_CIPHER_GCMP) {
700 ret = os_snprintf(pos, end - pos, "%sGCMP",
701 pos == buf ? "" : " ");
702 if (ret < 0 || ret >= end - pos) {
709 if (cipher & WPA_CIPHER_TKIP) {
710 ret = os_snprintf(pos, end - pos, "%sTKIP",
711 pos == buf ? "" : " ");
712 if (ret < 0 || ret >= end - pos) {
719 if (cipher & WPA_CIPHER_WEP104) {
720 ret = os_snprintf(pos, end - pos, "%sWEP104",
721 pos == buf ? "" : " ");
722 if (ret < 0 || ret >= end - pos) {
729 if (cipher & WPA_CIPHER_WEP40) {
730 ret = os_snprintf(pos, end - pos, "%sWEP40",
731 pos == buf ? "" : " ");
732 if (ret < 0 || ret >= end - pos) {
739 if (cipher & WPA_CIPHER_NONE) {
740 ret = os_snprintf(pos, end - pos, "%sNONE",
741 pos == buf ? "" : " ");
742 if (ret < 0 || ret >= end - pos) {
751 #endif /* NO_CONFIG_WRITE */
754 static int wpa_config_parse_pairwise(const struct parse_data *data,
755 struct wpa_ssid *ssid, int line,
759 val = wpa_config_parse_cipher(line, value);
762 if (val & ~(WPA_CIPHER_CCMP | WPA_CIPHER_GCMP | WPA_CIPHER_TKIP |
764 wpa_printf(MSG_ERROR, "Line %d: not allowed pairwise cipher "
765 "(0x%x).", line, val);
769 wpa_printf(MSG_MSGDUMP, "pairwise: 0x%x", val);
770 ssid->pairwise_cipher = val;
775 #ifndef NO_CONFIG_WRITE
776 static char * wpa_config_write_pairwise(const struct parse_data *data,
777 struct wpa_ssid *ssid)
779 return wpa_config_write_cipher(ssid->pairwise_cipher);
781 #endif /* NO_CONFIG_WRITE */
784 static int wpa_config_parse_group(const struct parse_data *data,
785 struct wpa_ssid *ssid, int line,
789 val = wpa_config_parse_cipher(line, value);
792 if (val & ~(WPA_CIPHER_CCMP | WPA_CIPHER_GCMP | WPA_CIPHER_TKIP |
793 WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40)) {
794 wpa_printf(MSG_ERROR, "Line %d: not allowed group cipher "
795 "(0x%x).", line, val);
799 wpa_printf(MSG_MSGDUMP, "group: 0x%x", val);
800 ssid->group_cipher = val;
805 #ifndef NO_CONFIG_WRITE
806 static char * wpa_config_write_group(const struct parse_data *data,
807 struct wpa_ssid *ssid)
809 return wpa_config_write_cipher(ssid->group_cipher);
811 #endif /* NO_CONFIG_WRITE */
814 static int wpa_config_parse_auth_alg(const struct parse_data *data,
815 struct wpa_ssid *ssid, int line,
818 int val = 0, last, errors = 0;
819 char *start, *end, *buf;
821 buf = os_strdup(value);
826 while (*start != '\0') {
827 while (*start == ' ' || *start == '\t')
832 while (*end != ' ' && *end != '\t' && *end != '\0')
836 if (os_strcmp(start, "OPEN") == 0)
837 val |= WPA_AUTH_ALG_OPEN;
838 else if (os_strcmp(start, "SHARED") == 0)
839 val |= WPA_AUTH_ALG_SHARED;
840 else if (os_strcmp(start, "LEAP") == 0)
841 val |= WPA_AUTH_ALG_LEAP;
843 wpa_printf(MSG_ERROR, "Line %d: invalid auth_alg '%s'",
855 wpa_printf(MSG_ERROR,
856 "Line %d: no auth_alg values configured.", line);
860 wpa_printf(MSG_MSGDUMP, "auth_alg: 0x%x", val);
861 ssid->auth_alg = val;
862 return errors ? -1 : 0;
866 #ifndef NO_CONFIG_WRITE
867 static char * wpa_config_write_auth_alg(const struct parse_data *data,
868 struct wpa_ssid *ssid)
870 char *buf, *pos, *end;
873 pos = buf = os_zalloc(30);
878 if (ssid->auth_alg & WPA_AUTH_ALG_OPEN) {
879 ret = os_snprintf(pos, end - pos, "%sOPEN",
880 pos == buf ? "" : " ");
881 if (ret < 0 || ret >= end - pos) {
888 if (ssid->auth_alg & WPA_AUTH_ALG_SHARED) {
889 ret = os_snprintf(pos, end - pos, "%sSHARED",
890 pos == buf ? "" : " ");
891 if (ret < 0 || ret >= end - pos) {
898 if (ssid->auth_alg & WPA_AUTH_ALG_LEAP) {
899 ret = os_snprintf(pos, end - pos, "%sLEAP",
900 pos == buf ? "" : " ");
901 if (ret < 0 || ret >= end - pos) {
910 #endif /* NO_CONFIG_WRITE */
913 static int * wpa_config_parse_freqs(const struct parse_data *data,
914 struct wpa_ssid *ssid, int line,
923 freqs = os_calloc(len + 1, sizeof(int));
934 n = os_realloc_array(freqs, len * 2 + 1, sizeof(int));
939 for (i = len; i <= len * 2; i++)
945 freqs[used] = atoi(pos);
946 if (freqs[used] == 0)
949 pos = os_strchr(pos + 1, ' ');
956 static int wpa_config_parse_scan_freq(const struct parse_data *data,
957 struct wpa_ssid *ssid, int line,
962 freqs = wpa_config_parse_freqs(data, ssid, line, value);
965 os_free(ssid->scan_freq);
966 ssid->scan_freq = freqs;
972 static int wpa_config_parse_freq_list(const struct parse_data *data,
973 struct wpa_ssid *ssid, int line,
978 freqs = wpa_config_parse_freqs(data, ssid, line, value);
981 os_free(ssid->freq_list);
982 ssid->freq_list = freqs;
988 #ifndef NO_CONFIG_WRITE
989 static char * wpa_config_write_freqs(const struct parse_data *data,
992 char *buf, *pos, *end;
1000 for (i = 0; freqs[i]; i++)
1003 pos = buf = os_zalloc(10 * count + 1);
1006 end = buf + 10 * count + 1;
1008 for (i = 0; freqs[i]; i++) {
1009 ret = os_snprintf(pos, end - pos, "%s%u",
1010 i == 0 ? "" : " ", freqs[i]);
1011 if (ret < 0 || ret >= end - pos) {
1022 static char * wpa_config_write_scan_freq(const struct parse_data *data,
1023 struct wpa_ssid *ssid)
1025 return wpa_config_write_freqs(data, ssid->scan_freq);
1029 static char * wpa_config_write_freq_list(const struct parse_data *data,
1030 struct wpa_ssid *ssid)
1032 return wpa_config_write_freqs(data, ssid->freq_list);
1034 #endif /* NO_CONFIG_WRITE */
1037 #ifdef IEEE8021X_EAPOL
1038 static int wpa_config_parse_eap(const struct parse_data *data,
1039 struct wpa_ssid *ssid, int line,
1042 int last, errors = 0;
1043 char *start, *end, *buf;
1044 struct eap_method_type *methods = NULL, *tmp;
1045 size_t num_methods = 0;
1047 buf = os_strdup(value);
1052 while (*start != '\0') {
1053 while (*start == ' ' || *start == '\t')
1058 while (*end != ' ' && *end != '\t' && *end != '\0')
1060 last = *end == '\0';
1063 methods = os_realloc_array(methods, num_methods + 1,
1065 if (methods == NULL) {
1070 methods[num_methods].method = eap_peer_get_type(
1071 start, &methods[num_methods].vendor);
1072 if (methods[num_methods].vendor == EAP_VENDOR_IETF &&
1073 methods[num_methods].method == EAP_TYPE_NONE) {
1074 wpa_printf(MSG_ERROR, "Line %d: unknown EAP method "
1075 "'%s'", line, start);
1076 wpa_printf(MSG_ERROR, "You may need to add support for"
1077 " this EAP method during wpa_supplicant\n"
1078 "build time configuration.\n"
1079 "See README for more information.");
1081 } else if (methods[num_methods].vendor == EAP_VENDOR_IETF &&
1082 methods[num_methods].method == EAP_TYPE_LEAP)
1094 methods = os_realloc_array(methods, num_methods + 1, sizeof(*methods));
1095 if (methods == NULL) {
1099 methods[num_methods].vendor = EAP_VENDOR_IETF;
1100 methods[num_methods].method = EAP_TYPE_NONE;
1103 wpa_hexdump(MSG_MSGDUMP, "eap methods",
1104 (u8 *) methods, num_methods * sizeof(*methods));
1105 os_free(ssid->eap.eap_methods);
1106 ssid->eap.eap_methods = methods;
1107 return errors ? -1 : 0;
1111 static char * wpa_config_write_eap(const struct parse_data *data,
1112 struct wpa_ssid *ssid)
1115 char *buf, *pos, *end;
1116 const struct eap_method_type *eap_methods = ssid->eap.eap_methods;
1119 if (eap_methods == NULL)
1122 pos = buf = os_zalloc(100);
1127 for (i = 0; eap_methods[i].vendor != EAP_VENDOR_IETF ||
1128 eap_methods[i].method != EAP_TYPE_NONE; i++) {
1129 name = eap_get_name(eap_methods[i].vendor,
1130 eap_methods[i].method);
1132 ret = os_snprintf(pos, end - pos, "%s%s",
1133 pos == buf ? "" : " ", name);
1134 if (ret < 0 || ret >= end - pos)
1146 static int wpa_config_parse_password(const struct parse_data *data,
1147 struct wpa_ssid *ssid, int line,
1152 if (os_strcmp(value, "NULL") == 0) {
1153 wpa_printf(MSG_DEBUG, "Unset configuration string 'password'");
1154 os_free(ssid->eap.password);
1155 ssid->eap.password = NULL;
1156 ssid->eap.password_len = 0;
1160 #ifdef CONFIG_EXT_PASSWORD
1161 if (os_strncmp(value, "ext:", 4) == 0) {
1162 char *name = os_strdup(value + 4);
1165 os_free(ssid->eap.password);
1166 ssid->eap.password = (u8 *) name;
1167 ssid->eap.password_len = os_strlen(name);
1168 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_PASSWORD_NTHASH;
1169 ssid->eap.flags |= EAP_CONFIG_FLAGS_EXT_PASSWORD;
1172 #endif /* CONFIG_EXT_PASSWORD */
1174 if (os_strncmp(value, "hash:", 5) != 0) {
1178 tmp = wpa_config_parse_string(value, &res_len);
1180 wpa_printf(MSG_ERROR, "Line %d: failed to parse "
1184 wpa_hexdump_ascii_key(MSG_MSGDUMP, data->name,
1185 (u8 *) tmp, res_len);
1187 os_free(ssid->eap.password);
1188 ssid->eap.password = (u8 *) tmp;
1189 ssid->eap.password_len = res_len;
1190 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_PASSWORD_NTHASH;
1191 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_EXT_PASSWORD;
1197 /* NtPasswordHash: hash:<32 hex digits> */
1198 if (os_strlen(value + 5) != 2 * 16) {
1199 wpa_printf(MSG_ERROR, "Line %d: Invalid password hash length "
1200 "(expected 32 hex digits)", line);
1204 hash = os_malloc(16);
1208 if (hexstr2bin(value + 5, hash, 16)) {
1210 wpa_printf(MSG_ERROR, "Line %d: Invalid password hash", line);
1214 wpa_hexdump_key(MSG_MSGDUMP, data->name, hash, 16);
1216 os_free(ssid->eap.password);
1217 ssid->eap.password = hash;
1218 ssid->eap.password_len = 16;
1219 ssid->eap.flags |= EAP_CONFIG_FLAGS_PASSWORD_NTHASH;
1220 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_EXT_PASSWORD;
1226 static char * wpa_config_write_password(const struct parse_data *data,
1227 struct wpa_ssid *ssid)
1231 if (ssid->eap.password == NULL)
1234 #ifdef CONFIG_EXT_PASSWORD
1235 if (ssid->eap.flags & EAP_CONFIG_FLAGS_EXT_PASSWORD) {
1236 buf = os_zalloc(4 + ssid->eap.password_len + 1);
1239 os_memcpy(buf, "ext:", 4);
1240 os_memcpy(buf + 4, ssid->eap.password, ssid->eap.password_len);
1243 #endif /* CONFIG_EXT_PASSWORD */
1245 if (!(ssid->eap.flags & EAP_CONFIG_FLAGS_PASSWORD_NTHASH)) {
1246 return wpa_config_write_string(
1247 ssid->eap.password, ssid->eap.password_len);
1250 buf = os_malloc(5 + 32 + 1);
1254 os_memcpy(buf, "hash:", 5);
1255 wpa_snprintf_hex(buf + 5, 32 + 1, ssid->eap.password, 16);
1259 #endif /* IEEE8021X_EAPOL */
1262 static int wpa_config_parse_wep_key(u8 *key, size_t *len, int line,
1263 const char *value, int idx)
1265 char *buf, title[20];
1268 buf = wpa_config_parse_string(value, len);
1270 wpa_printf(MSG_ERROR, "Line %d: Invalid WEP key %d '%s'.",
1274 if (*len > MAX_WEP_KEY_LEN) {
1275 wpa_printf(MSG_ERROR, "Line %d: Too long WEP key %d '%s'.",
1280 if (*len && *len != 5 && *len != 13 && *len != 16) {
1281 wpa_printf(MSG_ERROR, "Line %d: Invalid WEP key length %u - "
1282 "this network block will be ignored",
1283 line, (unsigned int) *len);
1285 os_memcpy(key, buf, *len);
1287 res = os_snprintf(title, sizeof(title), "wep_key%d", idx);
1288 if (res >= 0 && (size_t) res < sizeof(title))
1289 wpa_hexdump_key(MSG_MSGDUMP, title, key, *len);
1294 static int wpa_config_parse_wep_key0(const struct parse_data *data,
1295 struct wpa_ssid *ssid, int line,
1298 return wpa_config_parse_wep_key(ssid->wep_key[0],
1299 &ssid->wep_key_len[0], line,
1304 static int wpa_config_parse_wep_key1(const struct parse_data *data,
1305 struct wpa_ssid *ssid, int line,
1308 return wpa_config_parse_wep_key(ssid->wep_key[1],
1309 &ssid->wep_key_len[1], line,
1314 static int wpa_config_parse_wep_key2(const struct parse_data *data,
1315 struct wpa_ssid *ssid, int line,
1318 return wpa_config_parse_wep_key(ssid->wep_key[2],
1319 &ssid->wep_key_len[2], line,
1324 static int wpa_config_parse_wep_key3(const struct parse_data *data,
1325 struct wpa_ssid *ssid, int line,
1328 return wpa_config_parse_wep_key(ssid->wep_key[3],
1329 &ssid->wep_key_len[3], line,
1334 #ifndef NO_CONFIG_WRITE
1335 static char * wpa_config_write_wep_key(struct wpa_ssid *ssid, int idx)
1337 if (ssid->wep_key_len[idx] == 0)
1339 return wpa_config_write_string(ssid->wep_key[idx],
1340 ssid->wep_key_len[idx]);
1344 static char * wpa_config_write_wep_key0(const struct parse_data *data,
1345 struct wpa_ssid *ssid)
1347 return wpa_config_write_wep_key(ssid, 0);
1351 static char * wpa_config_write_wep_key1(const struct parse_data *data,
1352 struct wpa_ssid *ssid)
1354 return wpa_config_write_wep_key(ssid, 1);
1358 static char * wpa_config_write_wep_key2(const struct parse_data *data,
1359 struct wpa_ssid *ssid)
1361 return wpa_config_write_wep_key(ssid, 2);
1365 static char * wpa_config_write_wep_key3(const struct parse_data *data,
1366 struct wpa_ssid *ssid)
1368 return wpa_config_write_wep_key(ssid, 3);
1370 #endif /* NO_CONFIG_WRITE */
1375 static int wpa_config_parse_p2p_client_list(const struct parse_data *data,
1376 struct wpa_ssid *ssid, int line,
1380 u8 *buf, *n, addr[ETH_ALEN];
1387 while (pos && *pos) {
1391 if (hwaddr_aton(pos, addr)) {
1393 wpa_printf(MSG_ERROR, "Line %d: Invalid "
1394 "p2p_client_list address '%s'.",
1399 /* continue anyway since this could have been from a
1400 * truncated configuration file line */
1401 wpa_printf(MSG_INFO, "Line %d: Ignore likely "
1402 "truncated p2p_client_list address '%s'",
1405 n = os_realloc_array(buf, count + 1, ETH_ALEN);
1411 os_memmove(buf + ETH_ALEN, buf, count * ETH_ALEN);
1412 os_memcpy(buf, addr, ETH_ALEN);
1414 wpa_hexdump(MSG_MSGDUMP, "p2p_client_list",
1418 pos = os_strchr(pos, ' ');
1421 os_free(ssid->p2p_client_list);
1422 ssid->p2p_client_list = buf;
1423 ssid->num_p2p_clients = count;
1429 #ifndef NO_CONFIG_WRITE
1430 static char * wpa_config_write_p2p_client_list(const struct parse_data *data,
1431 struct wpa_ssid *ssid)
1433 char *value, *end, *pos;
1437 if (ssid->p2p_client_list == NULL || ssid->num_p2p_clients == 0)
1440 value = os_malloc(20 * ssid->num_p2p_clients);
1444 end = value + 20 * ssid->num_p2p_clients;
1446 for (i = ssid->num_p2p_clients; i > 0; i--) {
1447 res = os_snprintf(pos, end - pos, MACSTR " ",
1448 MAC2STR(ssid->p2p_client_list +
1449 (i - 1) * ETH_ALEN));
1450 if (res < 0 || res >= end - pos) {
1462 #endif /* NO_CONFIG_WRITE */
1464 #endif /* CONFIG_P2P */
1466 /* Helper macros for network block parser */
1471 /* OFFSET: Get offset of a variable within the wpa_ssid structure */
1472 #define OFFSET(v) ((void *) &((struct wpa_ssid *) 0)->v)
1474 /* STR: Define a string variable for an ASCII string; f = field name */
1475 #ifdef NO_CONFIG_WRITE
1476 #define _STR(f) #f, wpa_config_parse_str, OFFSET(f)
1477 #define _STRe(f) #f, wpa_config_parse_str, OFFSET(eap.f)
1478 #else /* NO_CONFIG_WRITE */
1479 #define _STR(f) #f, wpa_config_parse_str, wpa_config_write_str, OFFSET(f)
1480 #define _STRe(f) #f, wpa_config_parse_str, wpa_config_write_str, OFFSET(eap.f)
1481 #endif /* NO_CONFIG_WRITE */
1482 #define STR(f) _STR(f), NULL, NULL, NULL, 0
1483 #define STRe(f) _STRe(f), NULL, NULL, NULL, 0
1484 #define STR_KEY(f) _STR(f), NULL, NULL, NULL, 1
1485 #define STR_KEYe(f) _STRe(f), NULL, NULL, NULL, 1
1487 /* STR_LEN: Define a string variable with a separate variable for storing the
1488 * data length. Unlike STR(), this can be used to store arbitrary binary data
1489 * (i.e., even nul termination character). */
1490 #define _STR_LEN(f) _STR(f), OFFSET(f ## _len)
1491 #define _STR_LENe(f) _STRe(f), OFFSET(eap.f ## _len)
1492 #define STR_LEN(f) _STR_LEN(f), NULL, NULL, 0
1493 #define STR_LENe(f) _STR_LENe(f), NULL, NULL, 0
1494 #define STR_LEN_KEY(f) _STR_LEN(f), NULL, NULL, 1
1496 /* STR_RANGE: Like STR_LEN(), but with minimum and maximum allowed length
1497 * explicitly specified. */
1498 #define _STR_RANGE(f, min, max) _STR_LEN(f), (void *) (min), (void *) (max)
1499 #define STR_RANGE(f, min, max) _STR_RANGE(f, min, max), 0
1500 #define STR_RANGE_KEY(f, min, max) _STR_RANGE(f, min, max), 1
1502 #ifdef NO_CONFIG_WRITE
1503 #define _INT(f) #f, wpa_config_parse_int, OFFSET(f), (void *) 0
1504 #define _INTe(f) #f, wpa_config_parse_int, OFFSET(eap.f), (void *) 0
1505 #else /* NO_CONFIG_WRITE */
1506 #define _INT(f) #f, wpa_config_parse_int, wpa_config_write_int, \
1507 OFFSET(f), (void *) 0
1508 #define _INTe(f) #f, wpa_config_parse_int, wpa_config_write_int, \
1509 OFFSET(eap.f), (void *) 0
1510 #endif /* NO_CONFIG_WRITE */
1512 /* INT: Define an integer variable */
1513 #define INT(f) _INT(f), NULL, NULL, 0
1514 #define INTe(f) _INTe(f), NULL, NULL, 0
1516 /* INT_RANGE: Define an integer variable with allowed value range */
1517 #define INT_RANGE(f, min, max) _INT(f), (void *) (min), (void *) (max), 0
1519 /* FUNC: Define a configuration variable that uses a custom function for
1520 * parsing and writing the value. */
1521 #ifdef NO_CONFIG_WRITE
1522 #define _FUNC(f) #f, wpa_config_parse_ ## f, NULL, NULL, NULL, NULL
1523 #else /* NO_CONFIG_WRITE */
1524 #define _FUNC(f) #f, wpa_config_parse_ ## f, wpa_config_write_ ## f, \
1525 NULL, NULL, NULL, NULL
1526 #endif /* NO_CONFIG_WRITE */
1527 #define FUNC(f) _FUNC(f), 0
1528 #define FUNC_KEY(f) _FUNC(f), 1
1531 * Table of network configuration variables. This table is used to parse each
1532 * network configuration variable, e.g., each line in wpa_supplicant.conf file
1533 * that is inside a network block.
1535 * This table is generated using the helper macros defined above and with
1536 * generous help from the C pre-processor. The field name is stored as a string
1537 * into .name and for STR and INT types, the offset of the target buffer within
1538 * struct wpa_ssid is stored in .param1. .param2 (if not NULL) is similar
1539 * offset to the field containing the length of the configuration variable.
1540 * .param3 and .param4 can be used to mark the allowed range (length for STR
1541 * and value for INT).
1543 * For each configuration line in wpa_supplicant.conf, the parser goes through
1544 * this table and select the entry that matches with the field name. The parser
1545 * function (.parser) is then called to parse the actual value of the field.
1547 * This kind of mechanism makes it easy to add new configuration parameters,
1548 * since only one line needs to be added into this table and into the
1549 * struct wpa_ssid definition if the new variable is either a string or
1550 * integer. More complex types will need to use their own parser and writer
1553 static const struct parse_data ssid_fields[] = {
1554 { STR_RANGE(ssid, 0, MAX_SSID_LEN) },
1555 { INT_RANGE(scan_ssid, 0, 1) },
1560 { INT(bg_scan_period) },
1564 { FUNC(scan_freq) },
1565 { FUNC(freq_list) },
1566 #ifdef IEEE8021X_EAPOL
1568 { STR_LENe(identity) },
1569 { STR_LENe(anonymous_identity) },
1570 { FUNC_KEY(password) },
1573 { STRe(client_cert) },
1574 { STRe(private_key) },
1575 { STR_KEYe(private_key_passwd) },
1577 { STRe(subject_match) },
1578 { STRe(altsubject_match) },
1581 { STRe(client_cert2) },
1582 { STRe(private_key2) },
1583 { STR_KEYe(private_key2_passwd) },
1585 { STRe(subject_match2) },
1586 { STRe(altsubject_match2) },
1591 { STRe(engine_id) },
1594 { STRe(ca_cert_id) },
1596 { STRe(engine2_id) },
1599 { STRe(ca_cert2_id) },
1602 { INT(eapol_flags) },
1603 #endif /* IEEE8021X_EAPOL */
1604 { FUNC_KEY(wep_key0) },
1605 { FUNC_KEY(wep_key1) },
1606 { FUNC_KEY(wep_key2) },
1607 { FUNC_KEY(wep_key3) },
1608 { INT(wep_tx_keyidx) },
1610 #ifdef IEEE8021X_EAPOL
1611 { INT(eap_workaround) },
1613 { INTe(fragment_size) },
1614 #endif /* IEEE8021X_EAPOL */
1615 { INT_RANGE(mode, 0, 4) },
1616 { INT_RANGE(proactive_key_caching, 0, 1) },
1617 { INT_RANGE(disabled, 0, 2) },
1619 #ifdef CONFIG_IEEE80211W
1620 { INT_RANGE(ieee80211w, 0, 2) },
1621 #endif /* CONFIG_IEEE80211W */
1622 { INT_RANGE(peerkey, 0, 1) },
1623 { INT_RANGE(mixed_cell, 0, 1) },
1624 { INT_RANGE(frequency, 0, 10000) },
1625 { INT(wpa_ptk_rekey) },
1627 { INT_RANGE(ignore_broadcast_ssid, 0, 2) },
1629 { FUNC(p2p_client_list) },
1630 #endif /* CONFIG_P2P */
1631 #ifdef CONFIG_HT_OVERRIDES
1632 { INT_RANGE(disable_ht, 0, 1) },
1633 { INT_RANGE(disable_ht40, -1, 1) },
1634 { INT_RANGE(disable_max_amsdu, -1, 1) },
1635 { INT_RANGE(ampdu_factor, -1, 3) },
1636 { INT_RANGE(ampdu_density, -1, 7) },
1638 #endif /* CONFIG_HT_OVERRIDES */
1639 { INT(ap_max_inactivity) },
1640 { INT(dtim_period) },
1652 #undef STR_RANGE_KEY
1659 #define NUM_SSID_FIELDS (sizeof(ssid_fields) / sizeof(ssid_fields[0]))
1663 * wpa_config_add_prio_network - Add a network to priority lists
1664 * @config: Configuration data from wpa_config_read()
1665 * @ssid: Pointer to the network configuration to be added to the list
1666 * Returns: 0 on success, -1 on failure
1668 * This function is used to add a network block to the priority list of
1669 * networks. This must be called for each network when reading in the full
1670 * configuration. In addition, this can be used indirectly when updating
1671 * priorities by calling wpa_config_update_prio_list().
1673 int wpa_config_add_prio_network(struct wpa_config *config,
1674 struct wpa_ssid *ssid)
1677 struct wpa_ssid *prev, **nlist;
1680 * Add to an existing priority list if one is available for the
1681 * configured priority level for this network.
1683 for (prio = 0; prio < config->num_prio; prio++) {
1684 prev = config->pssid[prio];
1685 if (prev->priority == ssid->priority) {
1693 /* First network for this priority - add a new priority list */
1694 nlist = os_realloc_array(config->pssid, config->num_prio + 1,
1695 sizeof(struct wpa_ssid *));
1699 for (prio = 0; prio < config->num_prio; prio++) {
1700 if (nlist[prio]->priority < ssid->priority) {
1701 os_memmove(&nlist[prio + 1], &nlist[prio],
1702 (config->num_prio - prio) *
1703 sizeof(struct wpa_ssid *));
1710 config->pssid = nlist;
1717 * wpa_config_update_prio_list - Update network priority list
1718 * @config: Configuration data from wpa_config_read()
1719 * Returns: 0 on success, -1 on failure
1721 * This function is called to update the priority list of networks in the
1722 * configuration when a network is being added or removed. This is also called
1723 * if a priority for a network is changed.
1725 int wpa_config_update_prio_list(struct wpa_config *config)
1727 struct wpa_ssid *ssid;
1730 os_free(config->pssid);
1731 config->pssid = NULL;
1732 config->num_prio = 0;
1734 ssid = config->ssid;
1737 if (wpa_config_add_prio_network(config, ssid) < 0)
1746 #ifdef IEEE8021X_EAPOL
1747 static void eap_peer_config_free(struct eap_peer_config *eap)
1749 os_free(eap->eap_methods);
1750 os_free(eap->identity);
1751 os_free(eap->anonymous_identity);
1752 os_free(eap->password);
1753 os_free(eap->ca_cert);
1754 os_free(eap->ca_path);
1755 os_free(eap->client_cert);
1756 os_free(eap->private_key);
1757 os_free(eap->private_key_passwd);
1758 os_free(eap->dh_file);
1759 os_free(eap->subject_match);
1760 os_free(eap->altsubject_match);
1761 os_free(eap->ca_cert2);
1762 os_free(eap->ca_path2);
1763 os_free(eap->client_cert2);
1764 os_free(eap->private_key2);
1765 os_free(eap->private_key2_passwd);
1766 os_free(eap->dh_file2);
1767 os_free(eap->subject_match2);
1768 os_free(eap->altsubject_match2);
1769 os_free(eap->phase1);
1770 os_free(eap->phase2);
1773 os_free(eap->engine_id);
1774 os_free(eap->key_id);
1775 os_free(eap->cert_id);
1776 os_free(eap->ca_cert_id);
1777 os_free(eap->key2_id);
1778 os_free(eap->cert2_id);
1779 os_free(eap->ca_cert2_id);
1781 os_free(eap->engine2_id);
1783 os_free(eap->pending_req_otp);
1784 os_free(eap->pac_file);
1785 os_free(eap->new_password);
1787 #endif /* IEEE8021X_EAPOL */
1791 * wpa_config_free_ssid - Free network/ssid configuration data
1792 * @ssid: Configuration data for the network
1794 * This function frees all resources allocated for the network configuration
1797 void wpa_config_free_ssid(struct wpa_ssid *ssid)
1799 os_free(ssid->ssid);
1800 os_free(ssid->passphrase);
1801 os_free(ssid->ext_psk);
1802 #ifdef IEEE8021X_EAPOL
1803 eap_peer_config_free(&ssid->eap);
1804 #endif /* IEEE8021X_EAPOL */
1805 os_free(ssid->id_str);
1806 os_free(ssid->scan_freq);
1807 os_free(ssid->freq_list);
1808 os_free(ssid->bgscan);
1809 os_free(ssid->p2p_client_list);
1810 #ifdef CONFIG_HT_OVERRIDES
1811 os_free(ssid->ht_mcs);
1812 #endif /* CONFIG_HT_OVERRIDES */
1817 void wpa_config_free_cred(struct wpa_cred *cred)
1819 os_free(cred->realm);
1820 os_free(cred->username);
1821 os_free(cred->password);
1822 os_free(cred->ca_cert);
1823 os_free(cred->client_cert);
1824 os_free(cred->private_key);
1825 os_free(cred->private_key_passwd);
1826 os_free(cred->imsi);
1827 os_free(cred->milenage);
1828 os_free(cred->domain);
1829 os_free(cred->eap_method);
1830 os_free(cred->phase1);
1831 os_free(cred->phase2);
1837 * wpa_config_free - Free configuration data
1838 * @config: Configuration data from wpa_config_read()
1840 * This function frees all resources allocated for the configuration data by
1841 * wpa_config_read().
1843 void wpa_config_free(struct wpa_config *config)
1845 #ifndef CONFIG_NO_CONFIG_BLOBS
1846 struct wpa_config_blob *blob, *prevblob;
1847 #endif /* CONFIG_NO_CONFIG_BLOBS */
1848 struct wpa_ssid *ssid, *prev = NULL;
1849 struct wpa_cred *cred, *cprev;
1851 ssid = config->ssid;
1855 wpa_config_free_ssid(prev);
1858 cred = config->cred;
1862 wpa_config_free_cred(cprev);
1865 #ifndef CONFIG_NO_CONFIG_BLOBS
1866 blob = config->blobs;
1871 wpa_config_free_blob(prevblob);
1873 #endif /* CONFIG_NO_CONFIG_BLOBS */
1875 wpabuf_free(config->wps_vendor_ext_m1);
1876 os_free(config->ctrl_interface);
1877 os_free(config->ctrl_interface_group);
1878 os_free(config->opensc_engine_path);
1879 os_free(config->pkcs11_engine_path);
1880 os_free(config->pkcs11_module_path);
1881 os_free(config->pcsc_reader);
1882 os_free(config->pcsc_pin);
1883 os_free(config->driver_param);
1884 os_free(config->device_name);
1885 os_free(config->manufacturer);
1886 os_free(config->model_name);
1887 os_free(config->model_number);
1888 os_free(config->serial_number);
1889 os_free(config->config_methods);
1890 os_free(config->p2p_ssid_postfix);
1891 os_free(config->pssid);
1892 os_free(config->p2p_pref_chan);
1893 os_free(config->autoscan);
1894 wpabuf_free(config->wps_nfc_dh_pubkey);
1895 wpabuf_free(config->wps_nfc_dh_privkey);
1896 wpabuf_free(config->wps_nfc_dev_pw);
1897 os_free(config->ext_password_backend);
1903 * wpa_config_foreach_network - Iterate over each configured network
1904 * @config: Configuration data from wpa_config_read()
1905 * @func: Callback function to process each network
1906 * @arg: Opaque argument to pass to callback function
1908 * Iterate over the set of configured networks calling the specified
1909 * function for each item. We guard against callbacks removing the
1912 void wpa_config_foreach_network(struct wpa_config *config,
1913 void (*func)(void *, struct wpa_ssid *),
1916 struct wpa_ssid *ssid, *next;
1918 ssid = config->ssid;
1928 * wpa_config_get_network - Get configured network based on id
1929 * @config: Configuration data from wpa_config_read()
1930 * @id: Unique network id to search for
1931 * Returns: Network configuration or %NULL if not found
1933 struct wpa_ssid * wpa_config_get_network(struct wpa_config *config, int id)
1935 struct wpa_ssid *ssid;
1937 ssid = config->ssid;
1949 * wpa_config_add_network - Add a new network with empty configuration
1950 * @config: Configuration data from wpa_config_read()
1951 * Returns: The new network configuration or %NULL if operation failed
1953 struct wpa_ssid * wpa_config_add_network(struct wpa_config *config)
1956 struct wpa_ssid *ssid, *last = NULL;
1959 ssid = config->ssid;
1968 ssid = os_zalloc(sizeof(*ssid));
1975 config->ssid = ssid;
1977 wpa_config_update_prio_list(config);
1984 * wpa_config_remove_network - Remove a configured network based on id
1985 * @config: Configuration data from wpa_config_read()
1986 * @id: Unique network id to search for
1987 * Returns: 0 on success, or -1 if the network was not found
1989 int wpa_config_remove_network(struct wpa_config *config, int id)
1991 struct wpa_ssid *ssid, *prev = NULL;
1993 ssid = config->ssid;
2005 prev->next = ssid->next;
2007 config->ssid = ssid->next;
2009 wpa_config_update_prio_list(config);
2010 wpa_config_free_ssid(ssid);
2016 * wpa_config_set_network_defaults - Set network default values
2017 * @ssid: Pointer to network configuration data
2019 void wpa_config_set_network_defaults(struct wpa_ssid *ssid)
2021 ssid->proto = DEFAULT_PROTO;
2022 ssid->pairwise_cipher = DEFAULT_PAIRWISE;
2023 ssid->group_cipher = DEFAULT_GROUP;
2024 ssid->key_mgmt = DEFAULT_KEY_MGMT;
2025 ssid->bg_scan_period = DEFAULT_BG_SCAN_PERIOD;
2026 #ifdef IEEE8021X_EAPOL
2027 ssid->eapol_flags = DEFAULT_EAPOL_FLAGS;
2028 ssid->eap_workaround = DEFAULT_EAP_WORKAROUND;
2029 ssid->eap.fragment_size = DEFAULT_FRAGMENT_SIZE;
2030 #endif /* IEEE8021X_EAPOL */
2031 #ifdef CONFIG_HT_OVERRIDES
2032 ssid->disable_ht = DEFAULT_DISABLE_HT;
2033 ssid->disable_ht40 = DEFAULT_DISABLE_HT40;
2034 ssid->disable_max_amsdu = DEFAULT_DISABLE_MAX_AMSDU;
2035 ssid->ampdu_factor = DEFAULT_AMPDU_FACTOR;
2036 ssid->ampdu_density = DEFAULT_AMPDU_DENSITY;
2037 #endif /* CONFIG_HT_OVERRIDES */
2042 * wpa_config_set - Set a variable in network configuration
2043 * @ssid: Pointer to network configuration data
2044 * @var: Variable name, e.g., "ssid"
2045 * @value: Variable value
2046 * @line: Line number in configuration file or 0 if not used
2047 * Returns: 0 on success, -1 on failure
2049 * This function can be used to set network configuration variables based on
2050 * both the configuration file and management interface input. The value
2051 * parameter must be in the same format as the text-based configuration file is
2052 * using. For example, strings are using double quotation marks.
2054 int wpa_config_set(struct wpa_ssid *ssid, const char *var, const char *value,
2060 if (ssid == NULL || var == NULL || value == NULL)
2063 for (i = 0; i < NUM_SSID_FIELDS; i++) {
2064 const struct parse_data *field = &ssid_fields[i];
2065 if (os_strcmp(var, field->name) != 0)
2068 if (field->parser(field, ssid, line, value)) {
2070 wpa_printf(MSG_ERROR, "Line %d: failed to "
2071 "parse %s '%s'.", line, var, value);
2077 if (i == NUM_SSID_FIELDS) {
2079 wpa_printf(MSG_ERROR, "Line %d: unknown network field "
2080 "'%s'.", line, var);
2089 int wpa_config_set_quoted(struct wpa_ssid *ssid, const char *var,
2096 len = os_strlen(value);
2097 buf = os_malloc(len + 3);
2101 os_memcpy(buf + 1, value, len);
2103 buf[len + 2] = '\0';
2104 ret = wpa_config_set(ssid, var, buf, 0);
2111 * wpa_config_get_all - Get all options from network configuration
2112 * @ssid: Pointer to network configuration data
2113 * @get_keys: Determines if keys/passwords will be included in returned list
2114 * (if they may be exported)
2115 * Returns: %NULL terminated list of all set keys and their values in the form
2116 * of [key1, val1, key2, val2, ... , NULL]
2118 * This function can be used to get list of all configured network properties.
2119 * The caller is responsible for freeing the returned list and all its
2122 char ** wpa_config_get_all(struct wpa_ssid *ssid, int get_keys)
2124 const struct parse_data *field;
2130 get_keys = get_keys && ssid->export_keys;
2132 props = os_calloc(2 * NUM_SSID_FIELDS + 1, sizeof(char *));
2137 for (i = 0; i < NUM_SSID_FIELDS; i++) {
2138 field = &ssid_fields[i];
2139 if (field->key_data && !get_keys)
2141 value = field->writer(field, ssid);
2144 if (os_strlen(value) == 0) {
2149 key = os_strdup(field->name);
2155 props[fields_num * 2] = key;
2156 props[fields_num * 2 + 1] = value;
2172 #ifndef NO_CONFIG_WRITE
2174 * wpa_config_get - Get a variable in network configuration
2175 * @ssid: Pointer to network configuration data
2176 * @var: Variable name, e.g., "ssid"
2177 * Returns: Value of the variable or %NULL on failure
2179 * This function can be used to get network configuration variables. The
2180 * returned value is a copy of the configuration variable in text format, i.e,.
2181 * the same format that the text-based configuration file and wpa_config_set()
2182 * are using for the value. The caller is responsible for freeing the returned
2185 char * wpa_config_get(struct wpa_ssid *ssid, const char *var)
2189 if (ssid == NULL || var == NULL)
2192 for (i = 0; i < NUM_SSID_FIELDS; i++) {
2193 const struct parse_data *field = &ssid_fields[i];
2194 if (os_strcmp(var, field->name) == 0)
2195 return field->writer(field, ssid);
2203 * wpa_config_get_no_key - Get a variable in network configuration (no keys)
2204 * @ssid: Pointer to network configuration data
2205 * @var: Variable name, e.g., "ssid"
2206 * Returns: Value of the variable or %NULL on failure
2208 * This function can be used to get network configuration variable like
2209 * wpa_config_get(). The only difference is that this functions does not expose
2210 * key/password material from the configuration. In case a key/password field
2211 * is requested, the returned value is an empty string or %NULL if the variable
2212 * is not set or "*" if the variable is set (regardless of its value). The
2213 * returned value is a copy of the configuration variable in text format, i.e,.
2214 * the same format that the text-based configuration file and wpa_config_set()
2215 * are using for the value. The caller is responsible for freeing the returned
2218 char * wpa_config_get_no_key(struct wpa_ssid *ssid, const char *var)
2222 if (ssid == NULL || var == NULL)
2225 for (i = 0; i < NUM_SSID_FIELDS; i++) {
2226 const struct parse_data *field = &ssid_fields[i];
2227 if (os_strcmp(var, field->name) == 0) {
2228 char *res = field->writer(field, ssid);
2229 if (field->key_data) {
2230 if (res && res[0]) {
2231 wpa_printf(MSG_DEBUG, "Do not allow "
2232 "key_data field to be "
2235 return os_strdup("*");
2247 #endif /* NO_CONFIG_WRITE */
2251 * wpa_config_update_psk - Update WPA PSK based on passphrase and SSID
2252 * @ssid: Pointer to network configuration data
2254 * This function must be called to update WPA PSK when either SSID or the
2255 * passphrase has changed for the network configuration.
2257 void wpa_config_update_psk(struct wpa_ssid *ssid)
2259 #ifndef CONFIG_NO_PBKDF2
2260 pbkdf2_sha1(ssid->passphrase, ssid->ssid, ssid->ssid_len, 4096,
2261 ssid->psk, PMK_LEN);
2262 wpa_hexdump_key(MSG_MSGDUMP, "PSK (from passphrase)",
2263 ssid->psk, PMK_LEN);
2265 #endif /* CONFIG_NO_PBKDF2 */
2269 int wpa_config_set_cred(struct wpa_cred *cred, const char *var,
2270 const char *value, int line)
2275 if (os_strcmp(var, "priority") == 0) {
2276 cred->priority = atoi(value);
2280 if (os_strcmp(var, "pcsc") == 0) {
2281 cred->pcsc = atoi(value);
2285 if (os_strcmp(var, "eap") == 0) {
2286 struct eap_method_type method;
2287 method.method = eap_peer_get_type(value, &method.vendor);
2288 if (method.vendor == EAP_VENDOR_IETF &&
2289 method.method == EAP_TYPE_NONE) {
2290 wpa_printf(MSG_ERROR, "Line %d: unknown EAP type '%s' "
2291 "for a credential", line, value);
2294 os_free(cred->eap_method);
2295 cred->eap_method = os_malloc(sizeof(*cred->eap_method));
2296 if (cred->eap_method == NULL)
2298 os_memcpy(cred->eap_method, &method, sizeof(method));
2302 if (os_strcmp(var, "password") == 0 &&
2303 os_strncmp(value, "ext:", 4) == 0) {
2304 os_free(cred->password);
2305 cred->password = os_strdup(value);
2306 cred->ext_password = 1;
2310 val = wpa_config_parse_string(value, &len);
2312 wpa_printf(MSG_ERROR, "Line %d: invalid field '%s' string "
2313 "value '%s'.", line, var, value);
2317 if (os_strcmp(var, "realm") == 0) {
2318 os_free(cred->realm);
2323 if (os_strcmp(var, "username") == 0) {
2324 os_free(cred->username);
2325 cred->username = val;
2329 if (os_strcmp(var, "password") == 0) {
2330 os_free(cred->password);
2331 cred->password = val;
2332 cred->ext_password = 0;
2336 if (os_strcmp(var, "ca_cert") == 0) {
2337 os_free(cred->ca_cert);
2338 cred->ca_cert = val;
2342 if (os_strcmp(var, "client_cert") == 0) {
2343 os_free(cred->client_cert);
2344 cred->client_cert = val;
2348 if (os_strcmp(var, "private_key") == 0) {
2349 os_free(cred->private_key);
2350 cred->private_key = val;
2354 if (os_strcmp(var, "private_key_passwd") == 0) {
2355 os_free(cred->private_key_passwd);
2356 cred->private_key_passwd = val;
2360 if (os_strcmp(var, "imsi") == 0) {
2361 os_free(cred->imsi);
2366 if (os_strcmp(var, "milenage") == 0) {
2367 os_free(cred->milenage);
2368 cred->milenage = val;
2372 if (os_strcmp(var, "domain") == 0) {
2373 os_free(cred->domain);
2378 if (os_strcmp(var, "phase1") == 0) {
2379 os_free(cred->phase1);
2384 if (os_strcmp(var, "phase2") == 0) {
2385 os_free(cred->phase2);
2390 if (os_strcmp(var, "roaming_consortium") == 0) {
2391 if (len < 3 || len > sizeof(cred->roaming_consortium)) {
2392 wpa_printf(MSG_ERROR, "Line %d: invalid "
2393 "roaming_consortium length %d (3..15 "
2394 "expected)", line, (int) len);
2398 os_memcpy(cred->roaming_consortium, val, len);
2399 cred->roaming_consortium_len = len;
2405 wpa_printf(MSG_ERROR, "Line %d: unknown cred field '%s'.",
2415 struct wpa_cred * wpa_config_get_cred(struct wpa_config *config, int id)
2417 struct wpa_cred *cred;
2419 cred = config->cred;
2430 struct wpa_cred * wpa_config_add_cred(struct wpa_config *config)
2433 struct wpa_cred *cred, *last = NULL;
2436 cred = config->cred;
2445 cred = os_zalloc(sizeof(*cred));
2452 config->cred = cred;
2458 int wpa_config_remove_cred(struct wpa_config *config, int id)
2460 struct wpa_cred *cred, *prev = NULL;
2462 cred = config->cred;
2474 prev->next = cred->next;
2476 config->cred = cred->next;
2478 wpa_config_free_cred(cred);
2483 #ifndef CONFIG_NO_CONFIG_BLOBS
2485 * wpa_config_get_blob - Get a named configuration blob
2486 * @config: Configuration data from wpa_config_read()
2487 * @name: Name of the blob
2488 * Returns: Pointer to blob data or %NULL if not found
2490 const struct wpa_config_blob * wpa_config_get_blob(struct wpa_config *config,
2493 struct wpa_config_blob *blob = config->blobs;
2496 if (os_strcmp(blob->name, name) == 0)
2505 * wpa_config_set_blob - Set or add a named configuration blob
2506 * @config: Configuration data from wpa_config_read()
2507 * @blob: New value for the blob
2509 * Adds a new configuration blob or replaces the current value of an existing
2512 void wpa_config_set_blob(struct wpa_config *config,
2513 struct wpa_config_blob *blob)
2515 wpa_config_remove_blob(config, blob->name);
2516 blob->next = config->blobs;
2517 config->blobs = blob;
2522 * wpa_config_free_blob - Free blob data
2523 * @blob: Pointer to blob to be freed
2525 void wpa_config_free_blob(struct wpa_config_blob *blob)
2528 os_free(blob->name);
2529 os_free(blob->data);
2536 * wpa_config_remove_blob - Remove a named configuration blob
2537 * @config: Configuration data from wpa_config_read()
2538 * @name: Name of the blob to remove
2539 * Returns: 0 if blob was removed or -1 if blob was not found
2541 int wpa_config_remove_blob(struct wpa_config *config, const char *name)
2543 struct wpa_config_blob *pos = config->blobs, *prev = NULL;
2546 if (os_strcmp(pos->name, name) == 0) {
2548 prev->next = pos->next;
2550 config->blobs = pos->next;
2551 wpa_config_free_blob(pos);
2560 #endif /* CONFIG_NO_CONFIG_BLOBS */
2564 * wpa_config_alloc_empty - Allocate an empty configuration
2565 * @ctrl_interface: Control interface parameters, e.g., path to UNIX domain
2567 * @driver_param: Driver parameters
2568 * Returns: Pointer to allocated configuration data or %NULL on failure
2570 struct wpa_config * wpa_config_alloc_empty(const char *ctrl_interface,
2571 const char *driver_param)
2573 struct wpa_config *config;
2574 const int aCWmin = 4, aCWmax = 10;
2575 const struct hostapd_wmm_ac_params ac_bk =
2576 { aCWmin, aCWmax, 7, 0, 0 }; /* background traffic */
2577 const struct hostapd_wmm_ac_params ac_be =
2578 { aCWmin, aCWmax, 3, 0, 0 }; /* best effort traffic */
2579 const struct hostapd_wmm_ac_params ac_vi = /* video traffic */
2580 { aCWmin - 1, aCWmin, 2, 3000 / 32, 0 };
2581 const struct hostapd_wmm_ac_params ac_vo = /* voice traffic */
2582 { aCWmin - 2, aCWmin - 1, 2, 1500 / 32, 0 };
2584 config = os_zalloc(sizeof(*config));
2587 config->eapol_version = DEFAULT_EAPOL_VERSION;
2588 config->ap_scan = DEFAULT_AP_SCAN;
2589 config->fast_reauth = DEFAULT_FAST_REAUTH;
2590 config->p2p_go_intent = DEFAULT_P2P_GO_INTENT;
2591 config->p2p_intra_bss = DEFAULT_P2P_INTRA_BSS;
2592 config->p2p_go_max_inactivity = DEFAULT_P2P_GO_MAX_INACTIVITY;
2593 config->bss_max_count = DEFAULT_BSS_MAX_COUNT;
2594 config->bss_expiration_age = DEFAULT_BSS_EXPIRATION_AGE;
2595 config->bss_expiration_scan_count = DEFAULT_BSS_EXPIRATION_SCAN_COUNT;
2596 config->max_num_sta = DEFAULT_MAX_NUM_STA;
2597 config->access_network_type = DEFAULT_ACCESS_NETWORK_TYPE;
2598 config->wmm_ac_params[0] = ac_be;
2599 config->wmm_ac_params[1] = ac_bk;
2600 config->wmm_ac_params[2] = ac_vi;
2601 config->wmm_ac_params[3] = ac_vo;
2604 config->ctrl_interface = os_strdup(ctrl_interface);
2606 config->driver_param = os_strdup(driver_param);
2612 #ifndef CONFIG_NO_STDOUT_DEBUG
2614 * wpa_config_debug_dump_networks - Debug dump of configured networks
2615 * @config: Configuration data from wpa_config_read()
2617 void wpa_config_debug_dump_networks(struct wpa_config *config)
2620 struct wpa_ssid *ssid;
2622 for (prio = 0; prio < config->num_prio; prio++) {
2623 ssid = config->pssid[prio];
2624 wpa_printf(MSG_DEBUG, "Priority group %d",
2627 wpa_printf(MSG_DEBUG, " id=%d ssid='%s'",
2629 wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
2634 #endif /* CONFIG_NO_STDOUT_DEBUG */
2637 struct global_parse_data {
2639 int (*parser)(const struct global_parse_data *data,
2640 struct wpa_config *config, int line, const char *value);
2641 void *param1, *param2, *param3;
2642 unsigned int changed_flag;
2646 static int wpa_global_config_parse_int(const struct global_parse_data *data,
2647 struct wpa_config *config, int line,
2651 dst = (int *) (((u8 *) config) + (long) data->param1);
2653 wpa_printf(MSG_DEBUG, "%s=%d", data->name, *dst);
2655 if (data->param2 && *dst < (long) data->param2) {
2656 wpa_printf(MSG_ERROR, "Line %d: too small %s (value=%d "
2657 "min_value=%ld)", line, data->name, *dst,
2658 (long) data->param2);
2659 *dst = (long) data->param2;
2663 if (data->param3 && *dst > (long) data->param3) {
2664 wpa_printf(MSG_ERROR, "Line %d: too large %s (value=%d "
2665 "max_value=%ld)", line, data->name, *dst,
2666 (long) data->param3);
2667 *dst = (long) data->param3;
2675 static int wpa_global_config_parse_str(const struct global_parse_data *data,
2676 struct wpa_config *config, int line,
2682 len = os_strlen(pos);
2683 if (data->param2 && len < (size_t) data->param2) {
2684 wpa_printf(MSG_ERROR, "Line %d: too short %s (len=%lu "
2685 "min_len=%ld)", line, data->name,
2686 (unsigned long) len, (long) data->param2);
2690 if (data->param3 && len > (size_t) data->param3) {
2691 wpa_printf(MSG_ERROR, "Line %d: too long %s (len=%lu "
2692 "max_len=%ld)", line, data->name,
2693 (unsigned long) len, (long) data->param3);
2697 tmp = os_strdup(pos);
2701 dst = (char **) (((u8 *) config) + (long) data->param1);
2704 wpa_printf(MSG_DEBUG, "%s='%s'", data->name, *dst);
2710 static int wpa_global_config_parse_bin(const struct global_parse_data *data,
2711 struct wpa_config *config, int line,
2715 struct wpabuf **dst, *tmp;
2717 len = os_strlen(pos);
2721 tmp = wpabuf_alloc(len / 2);
2725 if (hexstr2bin(pos, wpabuf_put(tmp, len / 2), len / 2)) {
2730 dst = (struct wpabuf **) (((u8 *) config) + (long) data->param1);
2733 wpa_printf(MSG_DEBUG, "%s", data->name);
2739 static int wpa_config_process_country(const struct global_parse_data *data,
2740 struct wpa_config *config, int line,
2743 if (!pos[0] || !pos[1]) {
2744 wpa_printf(MSG_DEBUG, "Invalid country set");
2747 config->country[0] = pos[0];
2748 config->country[1] = pos[1];
2749 wpa_printf(MSG_DEBUG, "country='%c%c'",
2750 config->country[0], config->country[1]);
2755 static int wpa_config_process_load_dynamic_eap(
2756 const struct global_parse_data *data, struct wpa_config *config,
2757 int line, const char *so)
2760 wpa_printf(MSG_DEBUG, "load_dynamic_eap=%s", so);
2761 ret = eap_peer_method_load(so);
2763 wpa_printf(MSG_DEBUG, "This EAP type was already loaded - not "
2766 wpa_printf(MSG_ERROR, "Line %d: Failed to load dynamic EAP "
2767 "method '%s'.", line, so);
2777 static int wpa_config_process_uuid(const struct global_parse_data *data,
2778 struct wpa_config *config, int line,
2782 if (uuid_str2bin(pos, config->uuid)) {
2783 wpa_printf(MSG_ERROR, "Line %d: invalid UUID", line);
2786 uuid_bin2str(config->uuid, buf, sizeof(buf));
2787 wpa_printf(MSG_DEBUG, "uuid=%s", buf);
2792 static int wpa_config_process_device_type(
2793 const struct global_parse_data *data,
2794 struct wpa_config *config, int line, const char *pos)
2796 return wps_dev_type_str2bin(pos, config->device_type);
2800 static int wpa_config_process_os_version(const struct global_parse_data *data,
2801 struct wpa_config *config, int line,
2804 if (hexstr2bin(pos, config->os_version, 4)) {
2805 wpa_printf(MSG_ERROR, "Line %d: invalid os_version", line);
2808 wpa_printf(MSG_DEBUG, "os_version=%08x",
2809 WPA_GET_BE32(config->os_version));
2814 static int wpa_config_process_wps_vendor_ext_m1(
2815 const struct global_parse_data *data,
2816 struct wpa_config *config, int line, const char *pos)
2819 int len = os_strlen(pos) / 2;
2823 wpa_printf(MSG_ERROR, "Line %d: "
2824 "invalid wps_vendor_ext_m1", line);
2828 tmp = wpabuf_alloc(len);
2830 p = wpabuf_put(tmp, len);
2832 if (hexstr2bin(pos, p, len)) {
2833 wpa_printf(MSG_ERROR, "Line %d: "
2834 "invalid wps_vendor_ext_m1", line);
2839 wpabuf_free(config->wps_vendor_ext_m1);
2840 config->wps_vendor_ext_m1 = tmp;
2842 wpa_printf(MSG_ERROR, "Can not allocate "
2843 "memory for wps_vendor_ext_m1");
2850 #endif /* CONFIG_WPS */
2853 static int wpa_config_process_sec_device_type(
2854 const struct global_parse_data *data,
2855 struct wpa_config *config, int line, const char *pos)
2859 if (config->num_sec_device_types >= MAX_SEC_DEVICE_TYPES) {
2860 wpa_printf(MSG_ERROR, "Line %d: too many sec_device_type "
2865 idx = config->num_sec_device_types;
2867 if (wps_dev_type_str2bin(pos, config->sec_device_type[idx]))
2870 config->num_sec_device_types++;
2875 static int wpa_config_process_p2p_pref_chan(
2876 const struct global_parse_data *data,
2877 struct wpa_config *config, int line, const char *pos)
2879 struct p2p_channel *pref = NULL, *n;
2880 unsigned int num = 0;
2884 /* format: class:chan,class:chan,... */
2887 op_class = atoi(pos);
2888 pos2 = os_strchr(pos, ':');
2894 n = os_realloc_array(pref, num + 1,
2895 sizeof(struct p2p_channel));
2899 pref[num].op_class = op_class;
2900 pref[num].chan = chan;
2903 pos = os_strchr(pos2, ',');
2909 os_free(config->p2p_pref_chan);
2910 config->p2p_pref_chan = pref;
2911 config->num_p2p_pref_chan = num;
2912 wpa_hexdump(MSG_DEBUG, "P2P: Preferred class/channel pairs",
2913 (u8 *) config->p2p_pref_chan,
2914 config->num_p2p_pref_chan * sizeof(struct p2p_channel));
2920 wpa_printf(MSG_ERROR, "Line %d: Invalid p2p_pref_chan list", line);
2923 #endif /* CONFIG_P2P */
2926 static int wpa_config_process_hessid(
2927 const struct global_parse_data *data,
2928 struct wpa_config *config, int line, const char *pos)
2930 if (hwaddr_aton2(pos, config->hessid) < 0) {
2931 wpa_printf(MSG_ERROR, "Line %d: Invalid hessid '%s'",
2943 /* OFFSET: Get offset of a variable within the wpa_config structure */
2944 #define OFFSET(v) ((void *) &((struct wpa_config *) 0)->v)
2946 #define FUNC(f) #f, wpa_config_process_ ## f, OFFSET(f), NULL, NULL
2947 #define FUNC_NO_VAR(f) #f, wpa_config_process_ ## f, NULL, NULL, NULL
2948 #define _INT(f) #f, wpa_global_config_parse_int, OFFSET(f)
2949 #define INT(f) _INT(f), NULL, NULL
2950 #define INT_RANGE(f, min, max) _INT(f), (void *) min, (void *) max
2951 #define _STR(f) #f, wpa_global_config_parse_str, OFFSET(f)
2952 #define STR(f) _STR(f), NULL, NULL
2953 #define STR_RANGE(f, min, max) _STR(f), (void *) min, (void *) max
2954 #define BIN(f) #f, wpa_global_config_parse_bin, OFFSET(f), NULL, NULL
2956 static const struct global_parse_data global_fields[] = {
2957 #ifdef CONFIG_CTRL_IFACE
2958 { STR(ctrl_interface), 0 },
2959 { STR(ctrl_interface_group), 0 } /* deprecated */,
2960 #endif /* CONFIG_CTRL_IFACE */
2961 { INT_RANGE(eapol_version, 1, 2), 0 },
2962 { INT(ap_scan), 0 },
2963 { INT(disable_scan_offload), 0 },
2964 { INT(fast_reauth), 0 },
2965 { STR(opensc_engine_path), 0 },
2966 { STR(pkcs11_engine_path), 0 },
2967 { STR(pkcs11_module_path), 0 },
2968 { STR(pcsc_reader), 0 },
2969 { STR(pcsc_pin), 0 },
2970 { STR(driver_param), 0 },
2971 { INT(dot11RSNAConfigPMKLifetime), 0 },
2972 { INT(dot11RSNAConfigPMKReauthThreshold), 0 },
2973 { INT(dot11RSNAConfigSATimeout), 0 },
2974 #ifndef CONFIG_NO_CONFIG_WRITE
2975 { INT(update_config), 0 },
2976 #endif /* CONFIG_NO_CONFIG_WRITE */
2977 { FUNC_NO_VAR(load_dynamic_eap), 0 },
2979 { FUNC(uuid), CFG_CHANGED_UUID },
2980 { STR_RANGE(device_name, 0, 32), CFG_CHANGED_DEVICE_NAME },
2981 { STR_RANGE(manufacturer, 0, 64), CFG_CHANGED_WPS_STRING },
2982 { STR_RANGE(model_name, 0, 32), CFG_CHANGED_WPS_STRING },
2983 { STR_RANGE(model_number, 0, 32), CFG_CHANGED_WPS_STRING },
2984 { STR_RANGE(serial_number, 0, 32), CFG_CHANGED_WPS_STRING },
2985 { FUNC(device_type), CFG_CHANGED_DEVICE_TYPE },
2986 { FUNC(os_version), CFG_CHANGED_OS_VERSION },
2987 { STR(config_methods), CFG_CHANGED_CONFIG_METHODS },
2988 { INT_RANGE(wps_cred_processing, 0, 2), 0 },
2989 { FUNC(wps_vendor_ext_m1), CFG_CHANGED_VENDOR_EXTENSION },
2990 #endif /* CONFIG_WPS */
2992 { FUNC(sec_device_type), CFG_CHANGED_SEC_DEVICE_TYPE },
2993 { INT(p2p_listen_reg_class), 0 },
2994 { INT(p2p_listen_channel), 0 },
2995 { INT(p2p_oper_reg_class), 0 },
2996 { INT(p2p_oper_channel), 0 },
2997 { INT_RANGE(p2p_go_intent, 0, 15), 0 },
2998 { STR(p2p_ssid_postfix), CFG_CHANGED_P2P_SSID_POSTFIX },
2999 { INT_RANGE(persistent_reconnect, 0, 1), 0 },
3000 { INT_RANGE(p2p_intra_bss, 0, 1), CFG_CHANGED_P2P_INTRA_BSS },
3001 { INT(p2p_group_idle), 0 },
3002 { FUNC(p2p_pref_chan), CFG_CHANGED_P2P_PREF_CHAN },
3003 #endif /* CONFIG_P2P */
3004 { FUNC(country), CFG_CHANGED_COUNTRY },
3005 { INT(bss_max_count), 0 },
3006 { INT(bss_expiration_age), 0 },
3007 { INT(bss_expiration_scan_count), 0 },
3008 { INT_RANGE(filter_ssids, 0, 1), 0 },
3009 { INT_RANGE(filter_rssi, -100, 0), 0 },
3010 { INT(max_num_sta), 0 },
3011 { INT_RANGE(disassoc_low_ack, 0, 1), 0 },
3013 { INT_RANGE(hs20, 0, 1), 0 },
3014 #endif /* CONFIG_HS20 */
3015 { INT_RANGE(interworking, 0, 1), 0 },
3016 { FUNC(hessid), 0 },
3017 { INT_RANGE(access_network_type, 0, 15), 0 },
3018 { INT_RANGE(pbc_in_m1, 0, 1), 0 },
3019 { STR(autoscan), 0 },
3020 { INT_RANGE(wps_nfc_dev_pw_id, 0x10, 0xffff), 0 },
3021 { BIN(wps_nfc_dh_pubkey), 0 },
3022 { BIN(wps_nfc_dh_privkey), 0 },
3023 { BIN(wps_nfc_dev_pw), 0 },
3024 { STR(ext_password_backend), CFG_CHANGED_EXT_PW_BACKEND },
3025 { INT(p2p_go_max_inactivity), 0 },
3026 { INT_RANGE(auto_interworking, 0, 1), 0 },
3037 #define NUM_GLOBAL_FIELDS (sizeof(global_fields) / sizeof(global_fields[0]))
3040 int wpa_config_process_global(struct wpa_config *config, char *pos, int line)
3045 for (i = 0; i < NUM_GLOBAL_FIELDS; i++) {
3046 const struct global_parse_data *field = &global_fields[i];
3047 size_t flen = os_strlen(field->name);
3048 if (os_strncmp(pos, field->name, flen) != 0 ||
3052 if (field->parser(field, config, line, pos + flen + 1)) {
3053 wpa_printf(MSG_ERROR, "Line %d: failed to "
3054 "parse '%s'.", line, pos);
3057 config->changed_parameters |= field->changed_flag;
3060 if (i == NUM_GLOBAL_FIELDS) {
3062 if (os_strncmp(pos, "wmm_ac_", 7) == 0) {
3063 char *tmp = os_strchr(pos, '=');
3067 wpa_printf(MSG_ERROR, "Line %d: invalid line "
3072 if (hostapd_config_wmm_ac(config->wmm_ac_params, pos,
3074 wpa_printf(MSG_ERROR, "Line %d: invalid WMM "
3079 #endif /* CONFIG_AP */
3082 wpa_printf(MSG_ERROR, "Line %d: unknown global field '%s'.",