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 int is_hex(const u8 *data, size_t len)
120 for (i = 0; i < len; i++) {
121 if (data[i] < 32 || data[i] >= 127)
128 static char * wpa_config_write_string_ascii(const u8 *value, size_t len)
132 buf = os_malloc(len + 3);
136 os_memcpy(buf + 1, value, len);
144 static char * wpa_config_write_string_hex(const u8 *value, size_t len)
148 buf = os_zalloc(2 * len + 1);
151 wpa_snprintf_hex(buf, 2 * len + 1, value, len);
157 static char * wpa_config_write_string(const u8 *value, size_t len)
162 if (is_hex(value, len))
163 return wpa_config_write_string_hex(value, len);
165 return wpa_config_write_string_ascii(value, len);
169 static char * wpa_config_write_str(const struct parse_data *data,
170 struct wpa_ssid *ssid)
175 src = (char **) (((u8 *) ssid) + (long) data->param1);
180 len = *((size_t *) (((u8 *) ssid) + (long) data->param2));
182 len = os_strlen(*src);
184 return wpa_config_write_string((const u8 *) *src, len);
186 #endif /* NO_CONFIG_WRITE */
189 static int wpa_config_parse_int(const struct parse_data *data,
190 struct wpa_ssid *ssid,
191 int line, const char *value)
195 dst = (int *) (((u8 *) ssid) + (long) data->param1);
197 wpa_printf(MSG_MSGDUMP, "%s=%d (0x%x)", data->name, *dst, *dst);
199 if (data->param3 && *dst < (long) data->param3) {
200 wpa_printf(MSG_ERROR, "Line %d: too small %s (value=%d "
201 "min_value=%ld)", line, data->name, *dst,
202 (long) data->param3);
203 *dst = (long) data->param3;
207 if (data->param4 && *dst > (long) data->param4) {
208 wpa_printf(MSG_ERROR, "Line %d: too large %s (value=%d "
209 "max_value=%ld)", line, data->name, *dst,
210 (long) data->param4);
211 *dst = (long) data->param4;
219 #ifndef NO_CONFIG_WRITE
220 static char * wpa_config_write_int(const struct parse_data *data,
221 struct wpa_ssid *ssid)
226 src = (int *) (((u8 *) ssid) + (long) data->param1);
228 value = os_malloc(20);
231 res = os_snprintf(value, 20, "%d", *src);
232 if (res < 0 || res >= 20) {
236 value[20 - 1] = '\0';
239 #endif /* NO_CONFIG_WRITE */
242 static int wpa_config_parse_bssid(const struct parse_data *data,
243 struct wpa_ssid *ssid, int line,
246 if (value[0] == '\0' || os_strcmp(value, "\"\"") == 0 ||
247 os_strcmp(value, "any") == 0) {
249 wpa_printf(MSG_MSGDUMP, "BSSID any");
252 if (hwaddr_aton(value, ssid->bssid)) {
253 wpa_printf(MSG_ERROR, "Line %d: Invalid BSSID '%s'.",
258 wpa_hexdump(MSG_MSGDUMP, "BSSID", ssid->bssid, ETH_ALEN);
263 #ifndef NO_CONFIG_WRITE
264 static char * wpa_config_write_bssid(const struct parse_data *data,
265 struct wpa_ssid *ssid)
270 if (!ssid->bssid_set)
273 value = os_malloc(20);
276 res = os_snprintf(value, 20, MACSTR, MAC2STR(ssid->bssid));
277 if (res < 0 || res >= 20) {
281 value[20 - 1] = '\0';
284 #endif /* NO_CONFIG_WRITE */
287 static int wpa_config_parse_psk(const struct parse_data *data,
288 struct wpa_ssid *ssid, int line,
291 #ifdef CONFIG_EXT_PASSWORD
292 if (os_strncmp(value, "ext:", 4) == 0) {
293 os_free(ssid->passphrase);
294 ssid->passphrase = NULL;
296 os_free(ssid->ext_psk);
297 ssid->ext_psk = os_strdup(value + 4);
298 if (ssid->ext_psk == NULL)
300 wpa_printf(MSG_DEBUG, "PSK: External password '%s'",
304 #endif /* CONFIG_EXT_PASSWORD */
307 #ifndef CONFIG_NO_PBKDF2
312 pos = os_strrchr(value, '"');
316 len = os_strlen(value);
317 if (len < 8 || len > 63) {
318 wpa_printf(MSG_ERROR, "Line %d: Invalid passphrase "
319 "length %lu (expected: 8..63) '%s'.",
320 line, (unsigned long) len, value);
323 wpa_hexdump_ascii_key(MSG_MSGDUMP, "PSK (ASCII passphrase)",
325 if (ssid->passphrase && os_strlen(ssid->passphrase) == len &&
326 os_memcmp(ssid->passphrase, value, len) == 0)
329 os_free(ssid->passphrase);
330 ssid->passphrase = os_malloc(len + 1);
331 if (ssid->passphrase == NULL)
333 os_memcpy(ssid->passphrase, value, len);
334 ssid->passphrase[len] = '\0';
336 #else /* CONFIG_NO_PBKDF2 */
337 wpa_printf(MSG_ERROR, "Line %d: ASCII passphrase not "
340 #endif /* CONFIG_NO_PBKDF2 */
343 if (hexstr2bin(value, ssid->psk, PMK_LEN) ||
344 value[PMK_LEN * 2] != '\0') {
345 wpa_printf(MSG_ERROR, "Line %d: Invalid PSK '%s'.",
350 os_free(ssid->passphrase);
351 ssid->passphrase = NULL;
354 wpa_hexdump_key(MSG_MSGDUMP, "PSK", ssid->psk, PMK_LEN);
359 #ifndef NO_CONFIG_WRITE
360 static char * wpa_config_write_psk(const struct parse_data *data,
361 struct wpa_ssid *ssid)
363 #ifdef CONFIG_EXT_PASSWORD
365 size_t len = 4 + os_strlen(ssid->ext_psk) + 1;
366 char *buf = os_malloc(len);
369 os_snprintf(buf, len, "ext:%s", ssid->ext_psk);
372 #endif /* CONFIG_EXT_PASSWORD */
374 if (ssid->passphrase)
375 return wpa_config_write_string_ascii(
376 (const u8 *) ssid->passphrase,
377 os_strlen(ssid->passphrase));
380 return wpa_config_write_string_hex(ssid->psk, PMK_LEN);
384 #endif /* NO_CONFIG_WRITE */
387 static int wpa_config_parse_proto(const struct parse_data *data,
388 struct wpa_ssid *ssid, int line,
391 int val = 0, last, errors = 0;
392 char *start, *end, *buf;
394 buf = os_strdup(value);
399 while (*start != '\0') {
400 while (*start == ' ' || *start == '\t')
405 while (*end != ' ' && *end != '\t' && *end != '\0')
409 if (os_strcmp(start, "WPA") == 0)
410 val |= WPA_PROTO_WPA;
411 else if (os_strcmp(start, "RSN") == 0 ||
412 os_strcmp(start, "WPA2") == 0)
413 val |= WPA_PROTO_RSN;
415 wpa_printf(MSG_ERROR, "Line %d: invalid proto '%s'",
427 wpa_printf(MSG_ERROR,
428 "Line %d: no proto values configured.", line);
432 wpa_printf(MSG_MSGDUMP, "proto: 0x%x", val);
434 return errors ? -1 : 0;
438 #ifndef NO_CONFIG_WRITE
439 static char * wpa_config_write_proto(const struct parse_data *data,
440 struct wpa_ssid *ssid)
443 char *buf, *pos, *end;
445 pos = buf = os_zalloc(10);
450 if (ssid->proto & WPA_PROTO_WPA) {
451 ret = os_snprintf(pos, end - pos, "%sWPA", first ? "" : " ");
452 if (ret < 0 || ret >= end - pos)
458 if (ssid->proto & WPA_PROTO_RSN) {
459 ret = os_snprintf(pos, end - pos, "%sRSN", first ? "" : " ");
460 if (ret < 0 || ret >= end - pos)
468 #endif /* NO_CONFIG_WRITE */
471 static int wpa_config_parse_key_mgmt(const struct parse_data *data,
472 struct wpa_ssid *ssid, int line,
475 int val = 0, last, errors = 0;
476 char *start, *end, *buf;
478 buf = os_strdup(value);
483 while (*start != '\0') {
484 while (*start == ' ' || *start == '\t')
489 while (*end != ' ' && *end != '\t' && *end != '\0')
493 if (os_strcmp(start, "WPA-PSK") == 0)
494 val |= WPA_KEY_MGMT_PSK;
495 else if (os_strcmp(start, "WPA-EAP") == 0)
496 val |= WPA_KEY_MGMT_IEEE8021X;
497 else if (os_strcmp(start, "IEEE8021X") == 0)
498 val |= WPA_KEY_MGMT_IEEE8021X_NO_WPA;
499 else if (os_strcmp(start, "NONE") == 0)
500 val |= WPA_KEY_MGMT_NONE;
501 else if (os_strcmp(start, "WPA-NONE") == 0)
502 val |= WPA_KEY_MGMT_WPA_NONE;
503 #ifdef CONFIG_IEEE80211R
504 else if (os_strcmp(start, "FT-PSK") == 0)
505 val |= WPA_KEY_MGMT_FT_PSK;
506 else if (os_strcmp(start, "FT-EAP") == 0)
507 val |= WPA_KEY_MGMT_FT_IEEE8021X;
508 #endif /* CONFIG_IEEE80211R */
509 #ifdef CONFIG_IEEE80211W
510 else if (os_strcmp(start, "WPA-PSK-SHA256") == 0)
511 val |= WPA_KEY_MGMT_PSK_SHA256;
512 else if (os_strcmp(start, "WPA-EAP-SHA256") == 0)
513 val |= WPA_KEY_MGMT_IEEE8021X_SHA256;
514 #endif /* CONFIG_IEEE80211W */
516 else if (os_strcmp(start, "WPS") == 0)
517 val |= WPA_KEY_MGMT_WPS;
518 #endif /* CONFIG_WPS */
520 wpa_printf(MSG_ERROR, "Line %d: invalid key_mgmt '%s'",
532 wpa_printf(MSG_ERROR,
533 "Line %d: no key_mgmt values configured.", line);
537 wpa_printf(MSG_MSGDUMP, "key_mgmt: 0x%x", val);
538 ssid->key_mgmt = val;
539 return errors ? -1 : 0;
543 #ifndef NO_CONFIG_WRITE
544 static char * wpa_config_write_key_mgmt(const struct parse_data *data,
545 struct wpa_ssid *ssid)
547 char *buf, *pos, *end;
550 pos = buf = os_zalloc(50);
555 if (ssid->key_mgmt & WPA_KEY_MGMT_PSK) {
556 ret = os_snprintf(pos, end - pos, "%sWPA-PSK",
557 pos == buf ? "" : " ");
558 if (ret < 0 || ret >= end - pos) {
565 if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
566 ret = os_snprintf(pos, end - pos, "%sWPA-EAP",
567 pos == buf ? "" : " ");
568 if (ret < 0 || ret >= end - pos) {
575 if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
576 ret = os_snprintf(pos, end - pos, "%sIEEE8021X",
577 pos == buf ? "" : " ");
578 if (ret < 0 || ret >= end - pos) {
585 if (ssid->key_mgmt & WPA_KEY_MGMT_NONE) {
586 ret = os_snprintf(pos, end - pos, "%sNONE",
587 pos == buf ? "" : " ");
588 if (ret < 0 || ret >= end - pos) {
595 if (ssid->key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
596 ret = os_snprintf(pos, end - pos, "%sWPA-NONE",
597 pos == buf ? "" : " ");
598 if (ret < 0 || ret >= end - pos) {
605 #ifdef CONFIG_IEEE80211R
606 if (ssid->key_mgmt & WPA_KEY_MGMT_FT_PSK)
607 pos += os_snprintf(pos, end - pos, "%sFT-PSK",
608 pos == buf ? "" : " ");
610 if (ssid->key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X)
611 pos += os_snprintf(pos, end - pos, "%sFT-EAP",
612 pos == buf ? "" : " ");
613 #endif /* CONFIG_IEEE80211R */
615 #ifdef CONFIG_IEEE80211W
616 if (ssid->key_mgmt & WPA_KEY_MGMT_PSK_SHA256)
617 pos += os_snprintf(pos, end - pos, "%sWPA-PSK-SHA256",
618 pos == buf ? "" : " ");
620 if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256)
621 pos += os_snprintf(pos, end - pos, "%sWPA-EAP-SHA256",
622 pos == buf ? "" : " ");
623 #endif /* CONFIG_IEEE80211W */
626 if (ssid->key_mgmt & WPA_KEY_MGMT_WPS)
627 pos += os_snprintf(pos, end - pos, "%sWPS",
628 pos == buf ? "" : " ");
629 #endif /* CONFIG_WPS */
633 #endif /* NO_CONFIG_WRITE */
636 static int wpa_config_parse_cipher(int line, const char *value)
639 char *start, *end, *buf;
641 buf = os_strdup(value);
646 while (*start != '\0') {
647 while (*start == ' ' || *start == '\t')
652 while (*end != ' ' && *end != '\t' && *end != '\0')
656 if (os_strcmp(start, "CCMP") == 0)
657 val |= WPA_CIPHER_CCMP;
658 else if (os_strcmp(start, "TKIP") == 0)
659 val |= WPA_CIPHER_TKIP;
660 else if (os_strcmp(start, "WEP104") == 0)
661 val |= WPA_CIPHER_WEP104;
662 else if (os_strcmp(start, "WEP40") == 0)
663 val |= WPA_CIPHER_WEP40;
664 else if (os_strcmp(start, "NONE") == 0)
665 val |= WPA_CIPHER_NONE;
667 wpa_printf(MSG_ERROR, "Line %d: invalid cipher '%s'.",
680 wpa_printf(MSG_ERROR, "Line %d: no cipher values configured.",
688 #ifndef NO_CONFIG_WRITE
689 static char * wpa_config_write_cipher(int cipher)
691 char *buf, *pos, *end;
694 pos = buf = os_zalloc(50);
699 if (cipher & WPA_CIPHER_CCMP) {
700 ret = os_snprintf(pos, end - pos, "%sCCMP",
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_TKIP | WPA_CIPHER_NONE)) {
763 wpa_printf(MSG_ERROR, "Line %d: not allowed pairwise cipher "
764 "(0x%x).", line, val);
768 wpa_printf(MSG_MSGDUMP, "pairwise: 0x%x", val);
769 ssid->pairwise_cipher = val;
774 #ifndef NO_CONFIG_WRITE
775 static char * wpa_config_write_pairwise(const struct parse_data *data,
776 struct wpa_ssid *ssid)
778 return wpa_config_write_cipher(ssid->pairwise_cipher);
780 #endif /* NO_CONFIG_WRITE */
783 static int wpa_config_parse_group(const struct parse_data *data,
784 struct wpa_ssid *ssid, int line,
788 val = wpa_config_parse_cipher(line, value);
791 if (val & ~(WPA_CIPHER_CCMP | WPA_CIPHER_TKIP | WPA_CIPHER_WEP104 |
793 wpa_printf(MSG_ERROR, "Line %d: not allowed group cipher "
794 "(0x%x).", line, val);
798 wpa_printf(MSG_MSGDUMP, "group: 0x%x", val);
799 ssid->group_cipher = val;
804 #ifndef NO_CONFIG_WRITE
805 static char * wpa_config_write_group(const struct parse_data *data,
806 struct wpa_ssid *ssid)
808 return wpa_config_write_cipher(ssid->group_cipher);
810 #endif /* NO_CONFIG_WRITE */
813 static int wpa_config_parse_auth_alg(const struct parse_data *data,
814 struct wpa_ssid *ssid, int line,
817 int val = 0, last, errors = 0;
818 char *start, *end, *buf;
820 buf = os_strdup(value);
825 while (*start != '\0') {
826 while (*start == ' ' || *start == '\t')
831 while (*end != ' ' && *end != '\t' && *end != '\0')
835 if (os_strcmp(start, "OPEN") == 0)
836 val |= WPA_AUTH_ALG_OPEN;
837 else if (os_strcmp(start, "SHARED") == 0)
838 val |= WPA_AUTH_ALG_SHARED;
839 else if (os_strcmp(start, "LEAP") == 0)
840 val |= WPA_AUTH_ALG_LEAP;
842 wpa_printf(MSG_ERROR, "Line %d: invalid auth_alg '%s'",
854 wpa_printf(MSG_ERROR,
855 "Line %d: no auth_alg values configured.", line);
859 wpa_printf(MSG_MSGDUMP, "auth_alg: 0x%x", val);
860 ssid->auth_alg = val;
861 return errors ? -1 : 0;
865 #ifndef NO_CONFIG_WRITE
866 static char * wpa_config_write_auth_alg(const struct parse_data *data,
867 struct wpa_ssid *ssid)
869 char *buf, *pos, *end;
872 pos = buf = os_zalloc(30);
877 if (ssid->auth_alg & WPA_AUTH_ALG_OPEN) {
878 ret = os_snprintf(pos, end - pos, "%sOPEN",
879 pos == buf ? "" : " ");
880 if (ret < 0 || ret >= end - pos) {
887 if (ssid->auth_alg & WPA_AUTH_ALG_SHARED) {
888 ret = os_snprintf(pos, end - pos, "%sSHARED",
889 pos == buf ? "" : " ");
890 if (ret < 0 || ret >= end - pos) {
897 if (ssid->auth_alg & WPA_AUTH_ALG_LEAP) {
898 ret = os_snprintf(pos, end - pos, "%sLEAP",
899 pos == buf ? "" : " ");
900 if (ret < 0 || ret >= end - pos) {
909 #endif /* NO_CONFIG_WRITE */
912 static int * wpa_config_parse_freqs(const struct parse_data *data,
913 struct wpa_ssid *ssid, int line,
922 freqs = os_zalloc((len + 1) * sizeof(int));
933 n = os_realloc(freqs, (len * 2 + 1) * sizeof(int));
938 for (i = len; i <= len * 2; i++)
944 freqs[used] = atoi(pos);
945 if (freqs[used] == 0)
948 pos = os_strchr(pos + 1, ' ');
955 static int wpa_config_parse_scan_freq(const struct parse_data *data,
956 struct wpa_ssid *ssid, int line,
961 freqs = wpa_config_parse_freqs(data, ssid, line, value);
964 os_free(ssid->scan_freq);
965 ssid->scan_freq = freqs;
971 static int wpa_config_parse_freq_list(const struct parse_data *data,
972 struct wpa_ssid *ssid, int line,
977 freqs = wpa_config_parse_freqs(data, ssid, line, value);
980 os_free(ssid->freq_list);
981 ssid->freq_list = freqs;
987 #ifndef NO_CONFIG_WRITE
988 static char * wpa_config_write_freqs(const struct parse_data *data,
991 char *buf, *pos, *end;
999 for (i = 0; freqs[i]; i++)
1002 pos = buf = os_zalloc(10 * count + 1);
1005 end = buf + 10 * count + 1;
1007 for (i = 0; freqs[i]; i++) {
1008 ret = os_snprintf(pos, end - pos, "%s%u",
1009 i == 0 ? "" : " ", freqs[i]);
1010 if (ret < 0 || ret >= end - pos) {
1021 static char * wpa_config_write_scan_freq(const struct parse_data *data,
1022 struct wpa_ssid *ssid)
1024 return wpa_config_write_freqs(data, ssid->scan_freq);
1028 static char * wpa_config_write_freq_list(const struct parse_data *data,
1029 struct wpa_ssid *ssid)
1031 return wpa_config_write_freqs(data, ssid->freq_list);
1033 #endif /* NO_CONFIG_WRITE */
1036 #ifdef IEEE8021X_EAPOL
1037 static int wpa_config_parse_eap(const struct parse_data *data,
1038 struct wpa_ssid *ssid, int line,
1041 int last, errors = 0;
1042 char *start, *end, *buf;
1043 struct eap_method_type *methods = NULL, *tmp;
1044 size_t num_methods = 0;
1046 buf = os_strdup(value);
1051 while (*start != '\0') {
1052 while (*start == ' ' || *start == '\t')
1057 while (*end != ' ' && *end != '\t' && *end != '\0')
1059 last = *end == '\0';
1062 methods = os_realloc(methods,
1063 (num_methods + 1) * sizeof(*methods));
1064 if (methods == NULL) {
1069 methods[num_methods].method = eap_peer_get_type(
1070 start, &methods[num_methods].vendor);
1071 if (methods[num_methods].vendor == EAP_VENDOR_IETF &&
1072 methods[num_methods].method == EAP_TYPE_NONE) {
1073 wpa_printf(MSG_ERROR, "Line %d: unknown EAP method "
1074 "'%s'", line, start);
1075 wpa_printf(MSG_ERROR, "You may need to add support for"
1076 " this EAP method during wpa_supplicant\n"
1077 "build time configuration.\n"
1078 "See README for more information.");
1080 } else if (methods[num_methods].vendor == EAP_VENDOR_IETF &&
1081 methods[num_methods].method == EAP_TYPE_LEAP)
1093 methods = os_realloc(methods, (num_methods + 1) * sizeof(*methods));
1094 if (methods == NULL) {
1098 methods[num_methods].vendor = EAP_VENDOR_IETF;
1099 methods[num_methods].method = EAP_TYPE_NONE;
1102 wpa_hexdump(MSG_MSGDUMP, "eap methods",
1103 (u8 *) methods, num_methods * sizeof(*methods));
1104 os_free(ssid->eap.eap_methods);
1105 ssid->eap.eap_methods = methods;
1106 return errors ? -1 : 0;
1110 static char * wpa_config_write_eap(const struct parse_data *data,
1111 struct wpa_ssid *ssid)
1114 char *buf, *pos, *end;
1115 const struct eap_method_type *eap_methods = ssid->eap.eap_methods;
1118 if (eap_methods == NULL)
1121 pos = buf = os_zalloc(100);
1126 for (i = 0; eap_methods[i].vendor != EAP_VENDOR_IETF ||
1127 eap_methods[i].method != EAP_TYPE_NONE; i++) {
1128 name = eap_get_name(eap_methods[i].vendor,
1129 eap_methods[i].method);
1131 ret = os_snprintf(pos, end - pos, "%s%s",
1132 pos == buf ? "" : " ", name);
1133 if (ret < 0 || ret >= end - pos)
1145 static int wpa_config_parse_password(const struct parse_data *data,
1146 struct wpa_ssid *ssid, int line,
1151 if (os_strcmp(value, "NULL") == 0) {
1152 wpa_printf(MSG_DEBUG, "Unset configuration string 'password'");
1153 os_free(ssid->eap.password);
1154 ssid->eap.password = NULL;
1155 ssid->eap.password_len = 0;
1159 #ifdef CONFIG_EXT_PASSWORD
1160 if (os_strncmp(value, "ext:", 4) == 0) {
1161 char *name = os_strdup(value + 4);
1164 os_free(ssid->eap.password);
1165 ssid->eap.password = (u8 *) name;
1166 ssid->eap.password_len = os_strlen(name);
1167 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_PASSWORD_NTHASH;
1168 ssid->eap.flags |= EAP_CONFIG_FLAGS_EXT_PASSWORD;
1171 #endif /* CONFIG_EXT_PASSWORD */
1173 if (os_strncmp(value, "hash:", 5) != 0) {
1177 tmp = wpa_config_parse_string(value, &res_len);
1179 wpa_printf(MSG_ERROR, "Line %d: failed to parse "
1183 wpa_hexdump_ascii_key(MSG_MSGDUMP, data->name,
1184 (u8 *) tmp, res_len);
1186 os_free(ssid->eap.password);
1187 ssid->eap.password = (u8 *) tmp;
1188 ssid->eap.password_len = res_len;
1189 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_PASSWORD_NTHASH;
1190 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_EXT_PASSWORD;
1196 /* NtPasswordHash: hash:<32 hex digits> */
1197 if (os_strlen(value + 5) != 2 * 16) {
1198 wpa_printf(MSG_ERROR, "Line %d: Invalid password hash length "
1199 "(expected 32 hex digits)", line);
1203 hash = os_malloc(16);
1207 if (hexstr2bin(value + 5, hash, 16)) {
1209 wpa_printf(MSG_ERROR, "Line %d: Invalid password hash", line);
1213 wpa_hexdump_key(MSG_MSGDUMP, data->name, hash, 16);
1215 os_free(ssid->eap.password);
1216 ssid->eap.password = hash;
1217 ssid->eap.password_len = 16;
1218 ssid->eap.flags |= EAP_CONFIG_FLAGS_PASSWORD_NTHASH;
1219 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_EXT_PASSWORD;
1225 static char * wpa_config_write_password(const struct parse_data *data,
1226 struct wpa_ssid *ssid)
1230 if (ssid->eap.password == NULL)
1233 #ifdef CONFIG_EXT_PASSWORD
1234 if (ssid->eap.flags & EAP_CONFIG_FLAGS_EXT_PASSWORD) {
1235 buf = os_zalloc(4 + ssid->eap.password_len + 1);
1238 os_memcpy(buf, "ext:", 4);
1239 os_memcpy(buf + 4, ssid->eap.password, ssid->eap.password_len);
1242 #endif /* CONFIG_EXT_PASSWORD */
1244 if (!(ssid->eap.flags & EAP_CONFIG_FLAGS_PASSWORD_NTHASH)) {
1245 return wpa_config_write_string(
1246 ssid->eap.password, ssid->eap.password_len);
1249 buf = os_malloc(5 + 32 + 1);
1253 os_memcpy(buf, "hash:", 5);
1254 wpa_snprintf_hex(buf + 5, 32 + 1, ssid->eap.password, 16);
1258 #endif /* IEEE8021X_EAPOL */
1261 static int wpa_config_parse_wep_key(u8 *key, size_t *len, int line,
1262 const char *value, int idx)
1264 char *buf, title[20];
1267 buf = wpa_config_parse_string(value, len);
1269 wpa_printf(MSG_ERROR, "Line %d: Invalid WEP key %d '%s'.",
1273 if (*len > MAX_WEP_KEY_LEN) {
1274 wpa_printf(MSG_ERROR, "Line %d: Too long WEP key %d '%s'.",
1279 if (*len && *len != 5 && *len != 13 && *len != 16) {
1280 wpa_printf(MSG_ERROR, "Line %d: Invalid WEP key length %u - "
1281 "this network block will be ignored",
1282 line, (unsigned int) *len);
1284 os_memcpy(key, buf, *len);
1286 res = os_snprintf(title, sizeof(title), "wep_key%d", idx);
1287 if (res >= 0 && (size_t) res < sizeof(title))
1288 wpa_hexdump_key(MSG_MSGDUMP, title, key, *len);
1293 static int wpa_config_parse_wep_key0(const struct parse_data *data,
1294 struct wpa_ssid *ssid, int line,
1297 return wpa_config_parse_wep_key(ssid->wep_key[0],
1298 &ssid->wep_key_len[0], line,
1303 static int wpa_config_parse_wep_key1(const struct parse_data *data,
1304 struct wpa_ssid *ssid, int line,
1307 return wpa_config_parse_wep_key(ssid->wep_key[1],
1308 &ssid->wep_key_len[1], line,
1313 static int wpa_config_parse_wep_key2(const struct parse_data *data,
1314 struct wpa_ssid *ssid, int line,
1317 return wpa_config_parse_wep_key(ssid->wep_key[2],
1318 &ssid->wep_key_len[2], line,
1323 static int wpa_config_parse_wep_key3(const struct parse_data *data,
1324 struct wpa_ssid *ssid, int line,
1327 return wpa_config_parse_wep_key(ssid->wep_key[3],
1328 &ssid->wep_key_len[3], line,
1333 #ifndef NO_CONFIG_WRITE
1334 static char * wpa_config_write_wep_key(struct wpa_ssid *ssid, int idx)
1336 if (ssid->wep_key_len[idx] == 0)
1338 return wpa_config_write_string(ssid->wep_key[idx],
1339 ssid->wep_key_len[idx]);
1343 static char * wpa_config_write_wep_key0(const struct parse_data *data,
1344 struct wpa_ssid *ssid)
1346 return wpa_config_write_wep_key(ssid, 0);
1350 static char * wpa_config_write_wep_key1(const struct parse_data *data,
1351 struct wpa_ssid *ssid)
1353 return wpa_config_write_wep_key(ssid, 1);
1357 static char * wpa_config_write_wep_key2(const struct parse_data *data,
1358 struct wpa_ssid *ssid)
1360 return wpa_config_write_wep_key(ssid, 2);
1364 static char * wpa_config_write_wep_key3(const struct parse_data *data,
1365 struct wpa_ssid *ssid)
1367 return wpa_config_write_wep_key(ssid, 3);
1369 #endif /* NO_CONFIG_WRITE */
1374 static int wpa_config_parse_p2p_client_list(const struct parse_data *data,
1375 struct wpa_ssid *ssid, int line,
1379 u8 *buf, *n, addr[ETH_ALEN];
1386 while (pos && *pos) {
1390 if (hwaddr_aton(pos, addr)) {
1391 wpa_printf(MSG_ERROR, "Line %d: Invalid "
1392 "p2p_client_list address '%s'.",
1394 /* continue anyway */
1396 n = os_realloc(buf, (count + 1) * ETH_ALEN);
1402 os_memcpy(buf + count * ETH_ALEN, addr, ETH_ALEN);
1404 wpa_hexdump(MSG_MSGDUMP, "p2p_client_list",
1408 pos = os_strchr(pos, ' ');
1411 os_free(ssid->p2p_client_list);
1412 ssid->p2p_client_list = buf;
1413 ssid->num_p2p_clients = count;
1419 #ifndef NO_CONFIG_WRITE
1420 static char * wpa_config_write_p2p_client_list(const struct parse_data *data,
1421 struct wpa_ssid *ssid)
1423 char *value, *end, *pos;
1427 if (ssid->p2p_client_list == NULL || ssid->num_p2p_clients == 0)
1430 value = os_malloc(20 * ssid->num_p2p_clients);
1434 end = value + 20 * ssid->num_p2p_clients;
1436 for (i = 0; i < ssid->num_p2p_clients; i++) {
1437 res = os_snprintf(pos, end - pos, MACSTR " ",
1438 MAC2STR(ssid->p2p_client_list +
1440 if (res < 0 || res >= end - pos) {
1452 #endif /* NO_CONFIG_WRITE */
1454 #endif /* CONFIG_P2P */
1456 /* Helper macros for network block parser */
1461 /* OFFSET: Get offset of a variable within the wpa_ssid structure */
1462 #define OFFSET(v) ((void *) &((struct wpa_ssid *) 0)->v)
1464 /* STR: Define a string variable for an ASCII string; f = field name */
1465 #ifdef NO_CONFIG_WRITE
1466 #define _STR(f) #f, wpa_config_parse_str, OFFSET(f)
1467 #define _STRe(f) #f, wpa_config_parse_str, OFFSET(eap.f)
1468 #else /* NO_CONFIG_WRITE */
1469 #define _STR(f) #f, wpa_config_parse_str, wpa_config_write_str, OFFSET(f)
1470 #define _STRe(f) #f, wpa_config_parse_str, wpa_config_write_str, OFFSET(eap.f)
1471 #endif /* NO_CONFIG_WRITE */
1472 #define STR(f) _STR(f), NULL, NULL, NULL, 0
1473 #define STRe(f) _STRe(f), NULL, NULL, NULL, 0
1474 #define STR_KEY(f) _STR(f), NULL, NULL, NULL, 1
1475 #define STR_KEYe(f) _STRe(f), NULL, NULL, NULL, 1
1477 /* STR_LEN: Define a string variable with a separate variable for storing the
1478 * data length. Unlike STR(), this can be used to store arbitrary binary data
1479 * (i.e., even nul termination character). */
1480 #define _STR_LEN(f) _STR(f), OFFSET(f ## _len)
1481 #define _STR_LENe(f) _STRe(f), OFFSET(eap.f ## _len)
1482 #define STR_LEN(f) _STR_LEN(f), NULL, NULL, 0
1483 #define STR_LENe(f) _STR_LENe(f), NULL, NULL, 0
1484 #define STR_LEN_KEY(f) _STR_LEN(f), NULL, NULL, 1
1486 /* STR_RANGE: Like STR_LEN(), but with minimum and maximum allowed length
1487 * explicitly specified. */
1488 #define _STR_RANGE(f, min, max) _STR_LEN(f), (void *) (min), (void *) (max)
1489 #define STR_RANGE(f, min, max) _STR_RANGE(f, min, max), 0
1490 #define STR_RANGE_KEY(f, min, max) _STR_RANGE(f, min, max), 1
1492 #ifdef NO_CONFIG_WRITE
1493 #define _INT(f) #f, wpa_config_parse_int, OFFSET(f), (void *) 0
1494 #define _INTe(f) #f, wpa_config_parse_int, OFFSET(eap.f), (void *) 0
1495 #else /* NO_CONFIG_WRITE */
1496 #define _INT(f) #f, wpa_config_parse_int, wpa_config_write_int, \
1497 OFFSET(f), (void *) 0
1498 #define _INTe(f) #f, wpa_config_parse_int, wpa_config_write_int, \
1499 OFFSET(eap.f), (void *) 0
1500 #endif /* NO_CONFIG_WRITE */
1502 /* INT: Define an integer variable */
1503 #define INT(f) _INT(f), NULL, NULL, 0
1504 #define INTe(f) _INTe(f), NULL, NULL, 0
1506 /* INT_RANGE: Define an integer variable with allowed value range */
1507 #define INT_RANGE(f, min, max) _INT(f), (void *) (min), (void *) (max), 0
1509 /* FUNC: Define a configuration variable that uses a custom function for
1510 * parsing and writing the value. */
1511 #ifdef NO_CONFIG_WRITE
1512 #define _FUNC(f) #f, wpa_config_parse_ ## f, NULL, NULL, NULL, NULL
1513 #else /* NO_CONFIG_WRITE */
1514 #define _FUNC(f) #f, wpa_config_parse_ ## f, wpa_config_write_ ## f, \
1515 NULL, NULL, NULL, NULL
1516 #endif /* NO_CONFIG_WRITE */
1517 #define FUNC(f) _FUNC(f), 0
1518 #define FUNC_KEY(f) _FUNC(f), 1
1521 * Table of network configuration variables. This table is used to parse each
1522 * network configuration variable, e.g., each line in wpa_supplicant.conf file
1523 * that is inside a network block.
1525 * This table is generated using the helper macros defined above and with
1526 * generous help from the C pre-processor. The field name is stored as a string
1527 * into .name and for STR and INT types, the offset of the target buffer within
1528 * struct wpa_ssid is stored in .param1. .param2 (if not NULL) is similar
1529 * offset to the field containing the length of the configuration variable.
1530 * .param3 and .param4 can be used to mark the allowed range (length for STR
1531 * and value for INT).
1533 * For each configuration line in wpa_supplicant.conf, the parser goes through
1534 * this table and select the entry that matches with the field name. The parser
1535 * function (.parser) is then called to parse the actual value of the field.
1537 * This kind of mechanism makes it easy to add new configuration parameters,
1538 * since only one line needs to be added into this table and into the
1539 * struct wpa_ssid definition if the new variable is either a string or
1540 * integer. More complex types will need to use their own parser and writer
1543 static const struct parse_data ssid_fields[] = {
1544 { STR_RANGE(ssid, 0, MAX_SSID_LEN) },
1545 { INT_RANGE(scan_ssid, 0, 1) },
1550 { INT(bg_scan_period) },
1554 { FUNC(scan_freq) },
1555 { FUNC(freq_list) },
1556 #ifdef IEEE8021X_EAPOL
1558 { STR_LENe(identity) },
1559 { STR_LENe(anonymous_identity) },
1560 { FUNC_KEY(password) },
1563 { STRe(client_cert) },
1564 { STRe(private_key) },
1565 { STR_KEYe(private_key_passwd) },
1567 { STRe(subject_match) },
1568 { STRe(altsubject_match) },
1571 { STRe(client_cert2) },
1572 { STRe(private_key2) },
1573 { STR_KEYe(private_key2_passwd) },
1575 { STRe(subject_match2) },
1576 { STRe(altsubject_match2) },
1581 { STRe(engine_id) },
1584 { STRe(ca_cert_id) },
1586 { STRe(engine2_id) },
1589 { STRe(ca_cert2_id) },
1592 { INT(eapol_flags) },
1593 #endif /* IEEE8021X_EAPOL */
1594 { FUNC_KEY(wep_key0) },
1595 { FUNC_KEY(wep_key1) },
1596 { FUNC_KEY(wep_key2) },
1597 { FUNC_KEY(wep_key3) },
1598 { INT(wep_tx_keyidx) },
1600 #ifdef IEEE8021X_EAPOL
1601 { INT(eap_workaround) },
1603 { INTe(fragment_size) },
1604 #endif /* IEEE8021X_EAPOL */
1605 { INT_RANGE(mode, 0, 4) },
1606 { INT_RANGE(proactive_key_caching, 0, 1) },
1607 { INT_RANGE(disabled, 0, 2) },
1609 #ifdef CONFIG_IEEE80211W
1610 { INT_RANGE(ieee80211w, 0, 2) },
1611 #endif /* CONFIG_IEEE80211W */
1612 { INT_RANGE(peerkey, 0, 1) },
1613 { INT_RANGE(mixed_cell, 0, 1) },
1614 { INT_RANGE(frequency, 0, 10000) },
1615 { INT(wpa_ptk_rekey) },
1617 { INT_RANGE(ignore_broadcast_ssid, 0, 2) },
1619 { FUNC(p2p_client_list) },
1620 #endif /* CONFIG_P2P */
1621 #ifdef CONFIG_HT_OVERRIDES
1622 { INT_RANGE(disable_ht, 0, 1) },
1623 { INT_RANGE(disable_ht40, -1, 1) },
1624 { INT_RANGE(disable_max_amsdu, -1, 1) },
1625 { INT_RANGE(ampdu_factor, -1, 3) },
1626 { INT_RANGE(ampdu_density, -1, 7) },
1628 #endif /* CONFIG_HT_OVERRIDES */
1629 { INT(ap_max_inactivity) },
1630 { INT(dtim_period) },
1642 #undef STR_RANGE_KEY
1649 #define NUM_SSID_FIELDS (sizeof(ssid_fields) / sizeof(ssid_fields[0]))
1653 * wpa_config_add_prio_network - Add a network to priority lists
1654 * @config: Configuration data from wpa_config_read()
1655 * @ssid: Pointer to the network configuration to be added to the list
1656 * Returns: 0 on success, -1 on failure
1658 * This function is used to add a network block to the priority list of
1659 * networks. This must be called for each network when reading in the full
1660 * configuration. In addition, this can be used indirectly when updating
1661 * priorities by calling wpa_config_update_prio_list().
1663 int wpa_config_add_prio_network(struct wpa_config *config,
1664 struct wpa_ssid *ssid)
1667 struct wpa_ssid *prev, **nlist;
1670 * Add to an existing priority list if one is available for the
1671 * configured priority level for this network.
1673 for (prio = 0; prio < config->num_prio; prio++) {
1674 prev = config->pssid[prio];
1675 if (prev->priority == ssid->priority) {
1683 /* First network for this priority - add a new priority list */
1684 nlist = os_realloc(config->pssid,
1685 (config->num_prio + 1) * sizeof(struct wpa_ssid *));
1689 for (prio = 0; prio < config->num_prio; prio++) {
1690 if (nlist[prio]->priority < ssid->priority) {
1691 os_memmove(&nlist[prio + 1], &nlist[prio],
1692 (config->num_prio - prio) *
1693 sizeof(struct wpa_ssid *));
1700 config->pssid = nlist;
1707 * wpa_config_update_prio_list - Update network priority list
1708 * @config: Configuration data from wpa_config_read()
1709 * Returns: 0 on success, -1 on failure
1711 * This function is called to update the priority list of networks in the
1712 * configuration when a network is being added or removed. This is also called
1713 * if a priority for a network is changed.
1715 int wpa_config_update_prio_list(struct wpa_config *config)
1717 struct wpa_ssid *ssid;
1720 os_free(config->pssid);
1721 config->pssid = NULL;
1722 config->num_prio = 0;
1724 ssid = config->ssid;
1727 if (wpa_config_add_prio_network(config, ssid) < 0)
1736 #ifdef IEEE8021X_EAPOL
1737 static void eap_peer_config_free(struct eap_peer_config *eap)
1739 os_free(eap->eap_methods);
1740 os_free(eap->identity);
1741 os_free(eap->anonymous_identity);
1742 os_free(eap->password);
1743 os_free(eap->ca_cert);
1744 os_free(eap->ca_path);
1745 os_free(eap->client_cert);
1746 os_free(eap->private_key);
1747 os_free(eap->private_key_passwd);
1748 os_free(eap->dh_file);
1749 os_free(eap->subject_match);
1750 os_free(eap->altsubject_match);
1751 os_free(eap->ca_cert2);
1752 os_free(eap->ca_path2);
1753 os_free(eap->client_cert2);
1754 os_free(eap->private_key2);
1755 os_free(eap->private_key2_passwd);
1756 os_free(eap->dh_file2);
1757 os_free(eap->subject_match2);
1758 os_free(eap->altsubject_match2);
1759 os_free(eap->phase1);
1760 os_free(eap->phase2);
1763 os_free(eap->engine_id);
1764 os_free(eap->key_id);
1765 os_free(eap->cert_id);
1766 os_free(eap->ca_cert_id);
1767 os_free(eap->key2_id);
1768 os_free(eap->cert2_id);
1769 os_free(eap->ca_cert2_id);
1771 os_free(eap->engine2_id);
1773 os_free(eap->pending_req_otp);
1774 os_free(eap->pac_file);
1775 os_free(eap->new_password);
1777 #endif /* IEEE8021X_EAPOL */
1781 * wpa_config_free_ssid - Free network/ssid configuration data
1782 * @ssid: Configuration data for the network
1784 * This function frees all resources allocated for the network configuration
1787 void wpa_config_free_ssid(struct wpa_ssid *ssid)
1789 os_free(ssid->ssid);
1790 os_free(ssid->passphrase);
1791 os_free(ssid->ext_psk);
1792 #ifdef IEEE8021X_EAPOL
1793 eap_peer_config_free(&ssid->eap);
1794 #endif /* IEEE8021X_EAPOL */
1795 os_free(ssid->id_str);
1796 os_free(ssid->scan_freq);
1797 os_free(ssid->freq_list);
1798 os_free(ssid->bgscan);
1799 os_free(ssid->p2p_client_list);
1800 #ifdef CONFIG_HT_OVERRIDES
1801 os_free(ssid->ht_mcs);
1802 #endif /* CONFIG_HT_OVERRIDES */
1807 void wpa_config_free_cred(struct wpa_cred *cred)
1809 os_free(cred->realm);
1810 os_free(cred->username);
1811 os_free(cred->password);
1812 os_free(cred->ca_cert);
1813 os_free(cred->client_cert);
1814 os_free(cred->private_key);
1815 os_free(cred->private_key_passwd);
1816 os_free(cred->imsi);
1817 os_free(cred->milenage);
1818 os_free(cred->domain);
1819 os_free(cred->eap_method);
1820 os_free(cred->phase1);
1821 os_free(cred->phase2);
1827 * wpa_config_free - Free configuration data
1828 * @config: Configuration data from wpa_config_read()
1830 * This function frees all resources allocated for the configuration data by
1831 * wpa_config_read().
1833 void wpa_config_free(struct wpa_config *config)
1835 #ifndef CONFIG_NO_CONFIG_BLOBS
1836 struct wpa_config_blob *blob, *prevblob;
1837 #endif /* CONFIG_NO_CONFIG_BLOBS */
1838 struct wpa_ssid *ssid, *prev = NULL;
1839 struct wpa_cred *cred, *cprev;
1841 ssid = config->ssid;
1845 wpa_config_free_ssid(prev);
1848 cred = config->cred;
1852 wpa_config_free_cred(cprev);
1855 #ifndef CONFIG_NO_CONFIG_BLOBS
1856 blob = config->blobs;
1861 wpa_config_free_blob(prevblob);
1863 #endif /* CONFIG_NO_CONFIG_BLOBS */
1865 wpabuf_free(config->wps_vendor_ext_m1);
1866 os_free(config->ctrl_interface);
1867 os_free(config->ctrl_interface_group);
1868 os_free(config->opensc_engine_path);
1869 os_free(config->pkcs11_engine_path);
1870 os_free(config->pkcs11_module_path);
1871 os_free(config->pcsc_reader);
1872 os_free(config->pcsc_pin);
1873 os_free(config->driver_param);
1874 os_free(config->device_name);
1875 os_free(config->manufacturer);
1876 os_free(config->model_name);
1877 os_free(config->model_number);
1878 os_free(config->serial_number);
1879 os_free(config->config_methods);
1880 os_free(config->p2p_ssid_postfix);
1881 os_free(config->pssid);
1882 os_free(config->p2p_pref_chan);
1883 os_free(config->autoscan);
1884 wpabuf_free(config->wps_nfc_dh_pubkey);
1885 wpabuf_free(config->wps_nfc_dh_privkey);
1886 wpabuf_free(config->wps_nfc_dev_pw);
1887 os_free(config->ext_password_backend);
1893 * wpa_config_foreach_network - Iterate over each configured network
1894 * @config: Configuration data from wpa_config_read()
1895 * @func: Callback function to process each network
1896 * @arg: Opaque argument to pass to callback function
1898 * Iterate over the set of configured networks calling the specified
1899 * function for each item. We guard against callbacks removing the
1902 void wpa_config_foreach_network(struct wpa_config *config,
1903 void (*func)(void *, struct wpa_ssid *),
1906 struct wpa_ssid *ssid, *next;
1908 ssid = config->ssid;
1918 * wpa_config_get_network - Get configured network based on id
1919 * @config: Configuration data from wpa_config_read()
1920 * @id: Unique network id to search for
1921 * Returns: Network configuration or %NULL if not found
1923 struct wpa_ssid * wpa_config_get_network(struct wpa_config *config, int id)
1925 struct wpa_ssid *ssid;
1927 ssid = config->ssid;
1939 * wpa_config_add_network - Add a new network with empty configuration
1940 * @config: Configuration data from wpa_config_read()
1941 * Returns: The new network configuration or %NULL if operation failed
1943 struct wpa_ssid * wpa_config_add_network(struct wpa_config *config)
1946 struct wpa_ssid *ssid, *last = NULL;
1949 ssid = config->ssid;
1958 ssid = os_zalloc(sizeof(*ssid));
1965 config->ssid = ssid;
1967 wpa_config_update_prio_list(config);
1974 * wpa_config_remove_network - Remove a configured network based on id
1975 * @config: Configuration data from wpa_config_read()
1976 * @id: Unique network id to search for
1977 * Returns: 0 on success, or -1 if the network was not found
1979 int wpa_config_remove_network(struct wpa_config *config, int id)
1981 struct wpa_ssid *ssid, *prev = NULL;
1983 ssid = config->ssid;
1995 prev->next = ssid->next;
1997 config->ssid = ssid->next;
1999 wpa_config_update_prio_list(config);
2000 wpa_config_free_ssid(ssid);
2006 * wpa_config_set_network_defaults - Set network default values
2007 * @ssid: Pointer to network configuration data
2009 void wpa_config_set_network_defaults(struct wpa_ssid *ssid)
2011 ssid->proto = DEFAULT_PROTO;
2012 ssid->pairwise_cipher = DEFAULT_PAIRWISE;
2013 ssid->group_cipher = DEFAULT_GROUP;
2014 ssid->key_mgmt = DEFAULT_KEY_MGMT;
2015 ssid->bg_scan_period = DEFAULT_BG_SCAN_PERIOD;
2016 #ifdef IEEE8021X_EAPOL
2017 ssid->eapol_flags = DEFAULT_EAPOL_FLAGS;
2018 ssid->eap_workaround = DEFAULT_EAP_WORKAROUND;
2019 ssid->eap.fragment_size = DEFAULT_FRAGMENT_SIZE;
2020 #endif /* IEEE8021X_EAPOL */
2021 #ifdef CONFIG_HT_OVERRIDES
2022 ssid->disable_ht = DEFAULT_DISABLE_HT;
2023 ssid->disable_ht40 = DEFAULT_DISABLE_HT40;
2024 ssid->disable_max_amsdu = DEFAULT_DISABLE_MAX_AMSDU;
2025 ssid->ampdu_factor = DEFAULT_AMPDU_FACTOR;
2026 ssid->ampdu_density = DEFAULT_AMPDU_DENSITY;
2027 #endif /* CONFIG_HT_OVERRIDES */
2032 * wpa_config_set - Set a variable in network configuration
2033 * @ssid: Pointer to network configuration data
2034 * @var: Variable name, e.g., "ssid"
2035 * @value: Variable value
2036 * @line: Line number in configuration file or 0 if not used
2037 * Returns: 0 on success, -1 on failure
2039 * This function can be used to set network configuration variables based on
2040 * both the configuration file and management interface input. The value
2041 * parameter must be in the same format as the text-based configuration file is
2042 * using. For example, strings are using double quotation marks.
2044 int wpa_config_set(struct wpa_ssid *ssid, const char *var, const char *value,
2050 if (ssid == NULL || var == NULL || value == NULL)
2053 for (i = 0; i < NUM_SSID_FIELDS; i++) {
2054 const struct parse_data *field = &ssid_fields[i];
2055 if (os_strcmp(var, field->name) != 0)
2058 if (field->parser(field, ssid, line, value)) {
2060 wpa_printf(MSG_ERROR, "Line %d: failed to "
2061 "parse %s '%s'.", line, var, value);
2067 if (i == NUM_SSID_FIELDS) {
2069 wpa_printf(MSG_ERROR, "Line %d: unknown network field "
2070 "'%s'.", line, var);
2079 int wpa_config_set_quoted(struct wpa_ssid *ssid, const char *var,
2086 len = os_strlen(value);
2087 buf = os_malloc(len + 3);
2091 os_memcpy(buf + 1, value, len);
2093 buf[len + 2] = '\0';
2094 ret = wpa_config_set(ssid, var, buf, 0);
2101 * wpa_config_get_all - Get all options from network configuration
2102 * @ssid: Pointer to network configuration data
2103 * @get_keys: Determines if keys/passwords will be included in returned list
2104 * (if they may be exported)
2105 * Returns: %NULL terminated list of all set keys and their values in the form
2106 * of [key1, val1, key2, val2, ... , NULL]
2108 * This function can be used to get list of all configured network properties.
2109 * The caller is responsible for freeing the returned list and all its
2112 char ** wpa_config_get_all(struct wpa_ssid *ssid, int get_keys)
2114 const struct parse_data *field;
2120 get_keys = get_keys && ssid->export_keys;
2122 props = os_zalloc(sizeof(char *) * ((2 * NUM_SSID_FIELDS) + 1));
2127 for (i = 0; i < NUM_SSID_FIELDS; i++) {
2128 field = &ssid_fields[i];
2129 if (field->key_data && !get_keys)
2131 value = field->writer(field, ssid);
2134 if (os_strlen(value) == 0) {
2139 key = os_strdup(field->name);
2145 props[fields_num * 2] = key;
2146 props[fields_num * 2 + 1] = value;
2162 #ifndef NO_CONFIG_WRITE
2164 * wpa_config_get - Get a variable in network configuration
2165 * @ssid: Pointer to network configuration data
2166 * @var: Variable name, e.g., "ssid"
2167 * Returns: Value of the variable or %NULL on failure
2169 * This function can be used to get network configuration variables. The
2170 * returned value is a copy of the configuration variable in text format, i.e,.
2171 * the same format that the text-based configuration file and wpa_config_set()
2172 * are using for the value. The caller is responsible for freeing the returned
2175 char * wpa_config_get(struct wpa_ssid *ssid, const char *var)
2179 if (ssid == NULL || var == NULL)
2182 for (i = 0; i < NUM_SSID_FIELDS; i++) {
2183 const struct parse_data *field = &ssid_fields[i];
2184 if (os_strcmp(var, field->name) == 0)
2185 return field->writer(field, ssid);
2193 * wpa_config_get_no_key - Get a variable in network configuration (no keys)
2194 * @ssid: Pointer to network configuration data
2195 * @var: Variable name, e.g., "ssid"
2196 * Returns: Value of the variable or %NULL on failure
2198 * This function can be used to get network configuration variable like
2199 * wpa_config_get(). The only difference is that this functions does not expose
2200 * key/password material from the configuration. In case a key/password field
2201 * is requested, the returned value is an empty string or %NULL if the variable
2202 * is not set or "*" if the variable is set (regardless of its value). The
2203 * returned value is a copy of the configuration variable in text format, i.e,.
2204 * the same format that the text-based configuration file and wpa_config_set()
2205 * are using for the value. The caller is responsible for freeing the returned
2208 char * wpa_config_get_no_key(struct wpa_ssid *ssid, const char *var)
2212 if (ssid == NULL || var == NULL)
2215 for (i = 0; i < NUM_SSID_FIELDS; i++) {
2216 const struct parse_data *field = &ssid_fields[i];
2217 if (os_strcmp(var, field->name) == 0) {
2218 char *res = field->writer(field, ssid);
2219 if (field->key_data) {
2220 if (res && res[0]) {
2221 wpa_printf(MSG_DEBUG, "Do not allow "
2222 "key_data field to be "
2225 return os_strdup("*");
2237 #endif /* NO_CONFIG_WRITE */
2241 * wpa_config_update_psk - Update WPA PSK based on passphrase and SSID
2242 * @ssid: Pointer to network configuration data
2244 * This function must be called to update WPA PSK when either SSID or the
2245 * passphrase has changed for the network configuration.
2247 void wpa_config_update_psk(struct wpa_ssid *ssid)
2249 #ifndef CONFIG_NO_PBKDF2
2250 pbkdf2_sha1(ssid->passphrase, ssid->ssid, ssid->ssid_len, 4096,
2251 ssid->psk, PMK_LEN);
2252 wpa_hexdump_key(MSG_MSGDUMP, "PSK (from passphrase)",
2253 ssid->psk, PMK_LEN);
2255 #endif /* CONFIG_NO_PBKDF2 */
2259 int wpa_config_set_cred(struct wpa_cred *cred, const char *var,
2260 const char *value, int line)
2265 if (os_strcmp(var, "priority") == 0) {
2266 cred->priority = atoi(value);
2270 if (os_strcmp(var, "pcsc") == 0) {
2271 cred->pcsc = atoi(value);
2275 if (os_strcmp(var, "eap") == 0) {
2276 struct eap_method_type method;
2277 method.method = eap_peer_get_type(value, &method.vendor);
2278 if (method.vendor == EAP_VENDOR_IETF &&
2279 method.method == EAP_TYPE_NONE) {
2280 wpa_printf(MSG_ERROR, "Line %d: unknown EAP type '%s' "
2281 "for a credential", line, value);
2284 os_free(cred->eap_method);
2285 cred->eap_method = os_malloc(sizeof(*cred->eap_method));
2286 if (cred->eap_method == NULL)
2288 os_memcpy(cred->eap_method, &method, sizeof(method));
2292 if (os_strcmp(var, "password") == 0 &&
2293 os_strncmp(value, "ext:", 4) == 0) {
2294 os_free(cred->password);
2295 cred->password = os_strdup(value);
2296 cred->ext_password = 1;
2300 val = wpa_config_parse_string(value, &len);
2302 wpa_printf(MSG_ERROR, "Line %d: invalid field '%s' string "
2303 "value '%s'.", line, var, value);
2307 if (os_strcmp(var, "realm") == 0) {
2308 os_free(cred->realm);
2313 if (os_strcmp(var, "username") == 0) {
2314 os_free(cred->username);
2315 cred->username = val;
2319 if (os_strcmp(var, "password") == 0) {
2320 os_free(cred->password);
2321 cred->password = val;
2322 cred->ext_password = 0;
2326 if (os_strcmp(var, "ca_cert") == 0) {
2327 os_free(cred->ca_cert);
2328 cred->ca_cert = val;
2332 if (os_strcmp(var, "client_cert") == 0) {
2333 os_free(cred->client_cert);
2334 cred->client_cert = val;
2338 if (os_strcmp(var, "private_key") == 0) {
2339 os_free(cred->private_key);
2340 cred->private_key = val;
2344 if (os_strcmp(var, "private_key_passwd") == 0) {
2345 os_free(cred->private_key_passwd);
2346 cred->private_key_passwd = val;
2350 if (os_strcmp(var, "imsi") == 0) {
2351 os_free(cred->imsi);
2356 if (os_strcmp(var, "milenage") == 0) {
2357 os_free(cred->milenage);
2358 cred->milenage = val;
2362 if (os_strcmp(var, "domain") == 0) {
2363 os_free(cred->domain);
2368 if (os_strcmp(var, "phase1") == 0) {
2369 os_free(cred->phase1);
2374 if (os_strcmp(var, "phase2") == 0) {
2375 os_free(cred->phase2);
2380 if (os_strcmp(var, "roaming_consortium") == 0) {
2381 if (len < 3 || len > sizeof(cred->roaming_consortium)) {
2382 wpa_printf(MSG_ERROR, "Line %d: invalid "
2383 "roaming_consortium length %d (3..15 "
2384 "expected)", line, (int) len);
2388 os_memcpy(cred->roaming_consortium, val, len);
2389 cred->roaming_consortium_len = len;
2395 wpa_printf(MSG_ERROR, "Line %d: unknown cred field '%s'.",
2405 struct wpa_cred * wpa_config_get_cred(struct wpa_config *config, int id)
2407 struct wpa_cred *cred;
2409 cred = config->cred;
2420 struct wpa_cred * wpa_config_add_cred(struct wpa_config *config)
2423 struct wpa_cred *cred, *last = NULL;
2426 cred = config->cred;
2435 cred = os_zalloc(sizeof(*cred));
2442 config->cred = cred;
2448 int wpa_config_remove_cred(struct wpa_config *config, int id)
2450 struct wpa_cred *cred, *prev = NULL;
2452 cred = config->cred;
2464 prev->next = cred->next;
2466 config->cred = cred->next;
2468 wpa_config_free_cred(cred);
2473 #ifndef CONFIG_NO_CONFIG_BLOBS
2475 * wpa_config_get_blob - Get a named configuration blob
2476 * @config: Configuration data from wpa_config_read()
2477 * @name: Name of the blob
2478 * Returns: Pointer to blob data or %NULL if not found
2480 const struct wpa_config_blob * wpa_config_get_blob(struct wpa_config *config,
2483 struct wpa_config_blob *blob = config->blobs;
2486 if (os_strcmp(blob->name, name) == 0)
2495 * wpa_config_set_blob - Set or add a named configuration blob
2496 * @config: Configuration data from wpa_config_read()
2497 * @blob: New value for the blob
2499 * Adds a new configuration blob or replaces the current value of an existing
2502 void wpa_config_set_blob(struct wpa_config *config,
2503 struct wpa_config_blob *blob)
2505 wpa_config_remove_blob(config, blob->name);
2506 blob->next = config->blobs;
2507 config->blobs = blob;
2512 * wpa_config_free_blob - Free blob data
2513 * @blob: Pointer to blob to be freed
2515 void wpa_config_free_blob(struct wpa_config_blob *blob)
2518 os_free(blob->name);
2519 os_free(blob->data);
2526 * wpa_config_remove_blob - Remove a named configuration blob
2527 * @config: Configuration data from wpa_config_read()
2528 * @name: Name of the blob to remove
2529 * Returns: 0 if blob was removed or -1 if blob was not found
2531 int wpa_config_remove_blob(struct wpa_config *config, const char *name)
2533 struct wpa_config_blob *pos = config->blobs, *prev = NULL;
2536 if (os_strcmp(pos->name, name) == 0) {
2538 prev->next = pos->next;
2540 config->blobs = pos->next;
2541 wpa_config_free_blob(pos);
2550 #endif /* CONFIG_NO_CONFIG_BLOBS */
2554 * wpa_config_alloc_empty - Allocate an empty configuration
2555 * @ctrl_interface: Control interface parameters, e.g., path to UNIX domain
2557 * @driver_param: Driver parameters
2558 * Returns: Pointer to allocated configuration data or %NULL on failure
2560 struct wpa_config * wpa_config_alloc_empty(const char *ctrl_interface,
2561 const char *driver_param)
2563 struct wpa_config *config;
2565 config = os_zalloc(sizeof(*config));
2568 config->eapol_version = DEFAULT_EAPOL_VERSION;
2569 config->ap_scan = DEFAULT_AP_SCAN;
2570 config->fast_reauth = DEFAULT_FAST_REAUTH;
2571 config->p2p_go_intent = DEFAULT_P2P_GO_INTENT;
2572 config->p2p_intra_bss = DEFAULT_P2P_INTRA_BSS;
2573 config->bss_max_count = DEFAULT_BSS_MAX_COUNT;
2574 config->bss_expiration_age = DEFAULT_BSS_EXPIRATION_AGE;
2575 config->bss_expiration_scan_count = DEFAULT_BSS_EXPIRATION_SCAN_COUNT;
2576 config->max_num_sta = DEFAULT_MAX_NUM_STA;
2577 config->access_network_type = DEFAULT_ACCESS_NETWORK_TYPE;
2580 config->ctrl_interface = os_strdup(ctrl_interface);
2582 config->driver_param = os_strdup(driver_param);
2588 #ifndef CONFIG_NO_STDOUT_DEBUG
2590 * wpa_config_debug_dump_networks - Debug dump of configured networks
2591 * @config: Configuration data from wpa_config_read()
2593 void wpa_config_debug_dump_networks(struct wpa_config *config)
2596 struct wpa_ssid *ssid;
2598 for (prio = 0; prio < config->num_prio; prio++) {
2599 ssid = config->pssid[prio];
2600 wpa_printf(MSG_DEBUG, "Priority group %d",
2603 wpa_printf(MSG_DEBUG, " id=%d ssid='%s'",
2605 wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
2610 #endif /* CONFIG_NO_STDOUT_DEBUG */
2613 struct global_parse_data {
2615 int (*parser)(const struct global_parse_data *data,
2616 struct wpa_config *config, int line, const char *value);
2617 void *param1, *param2, *param3;
2618 unsigned int changed_flag;
2622 static int wpa_global_config_parse_int(const struct global_parse_data *data,
2623 struct wpa_config *config, int line,
2627 dst = (int *) (((u8 *) config) + (long) data->param1);
2629 wpa_printf(MSG_DEBUG, "%s=%d", data->name, *dst);
2631 if (data->param2 && *dst < (long) data->param2) {
2632 wpa_printf(MSG_ERROR, "Line %d: too small %s (value=%d "
2633 "min_value=%ld)", line, data->name, *dst,
2634 (long) data->param2);
2635 *dst = (long) data->param2;
2639 if (data->param3 && *dst > (long) data->param3) {
2640 wpa_printf(MSG_ERROR, "Line %d: too large %s (value=%d "
2641 "max_value=%ld)", line, data->name, *dst,
2642 (long) data->param3);
2643 *dst = (long) data->param3;
2651 static int wpa_global_config_parse_str(const struct global_parse_data *data,
2652 struct wpa_config *config, int line,
2658 len = os_strlen(pos);
2659 if (data->param2 && len < (size_t) data->param2) {
2660 wpa_printf(MSG_ERROR, "Line %d: too short %s (len=%lu "
2661 "min_len=%ld)", line, data->name,
2662 (unsigned long) len, (long) data->param2);
2666 if (data->param3 && len > (size_t) data->param3) {
2667 wpa_printf(MSG_ERROR, "Line %d: too long %s (len=%lu "
2668 "max_len=%ld)", line, data->name,
2669 (unsigned long) len, (long) data->param3);
2673 tmp = os_strdup(pos);
2677 dst = (char **) (((u8 *) config) + (long) data->param1);
2680 wpa_printf(MSG_DEBUG, "%s='%s'", data->name, *dst);
2686 static int wpa_global_config_parse_bin(const struct global_parse_data *data,
2687 struct wpa_config *config, int line,
2691 struct wpabuf **dst, *tmp;
2693 len = os_strlen(pos);
2697 tmp = wpabuf_alloc(len / 2);
2701 if (hexstr2bin(pos, wpabuf_put(tmp, len / 2), len / 2)) {
2706 dst = (struct wpabuf **) (((u8 *) config) + (long) data->param1);
2709 wpa_printf(MSG_DEBUG, "%s", data->name);
2715 static int wpa_config_process_country(const struct global_parse_data *data,
2716 struct wpa_config *config, int line,
2719 if (!pos[0] || !pos[1]) {
2720 wpa_printf(MSG_DEBUG, "Invalid country set");
2723 config->country[0] = pos[0];
2724 config->country[1] = pos[1];
2725 wpa_printf(MSG_DEBUG, "country='%c%c'",
2726 config->country[0], config->country[1]);
2731 static int wpa_config_process_load_dynamic_eap(
2732 const struct global_parse_data *data, struct wpa_config *config,
2733 int line, const char *so)
2736 wpa_printf(MSG_DEBUG, "load_dynamic_eap=%s", so);
2737 ret = eap_peer_method_load(so);
2739 wpa_printf(MSG_DEBUG, "This EAP type was already loaded - not "
2742 wpa_printf(MSG_ERROR, "Line %d: Failed to load dynamic EAP "
2743 "method '%s'.", line, so);
2753 static int wpa_config_process_uuid(const struct global_parse_data *data,
2754 struct wpa_config *config, int line,
2758 if (uuid_str2bin(pos, config->uuid)) {
2759 wpa_printf(MSG_ERROR, "Line %d: invalid UUID", line);
2762 uuid_bin2str(config->uuid, buf, sizeof(buf));
2763 wpa_printf(MSG_DEBUG, "uuid=%s", buf);
2768 static int wpa_config_process_device_type(
2769 const struct global_parse_data *data,
2770 struct wpa_config *config, int line, const char *pos)
2772 return wps_dev_type_str2bin(pos, config->device_type);
2776 static int wpa_config_process_os_version(const struct global_parse_data *data,
2777 struct wpa_config *config, int line,
2780 if (hexstr2bin(pos, config->os_version, 4)) {
2781 wpa_printf(MSG_ERROR, "Line %d: invalid os_version", line);
2784 wpa_printf(MSG_DEBUG, "os_version=%08x",
2785 WPA_GET_BE32(config->os_version));
2790 static int wpa_config_process_wps_vendor_ext_m1(
2791 const struct global_parse_data *data,
2792 struct wpa_config *config, int line, const char *pos)
2795 int len = os_strlen(pos) / 2;
2799 wpa_printf(MSG_ERROR, "Line %d: "
2800 "invalid wps_vendor_ext_m1", line);
2804 tmp = wpabuf_alloc(len);
2806 p = wpabuf_put(tmp, len);
2808 if (hexstr2bin(pos, p, len)) {
2809 wpa_printf(MSG_ERROR, "Line %d: "
2810 "invalid wps_vendor_ext_m1", line);
2815 wpabuf_free(config->wps_vendor_ext_m1);
2816 config->wps_vendor_ext_m1 = tmp;
2818 wpa_printf(MSG_ERROR, "Can not allocate "
2819 "memory for wps_vendor_ext_m1");
2826 #endif /* CONFIG_WPS */
2829 static int wpa_config_process_sec_device_type(
2830 const struct global_parse_data *data,
2831 struct wpa_config *config, int line, const char *pos)
2835 if (config->num_sec_device_types >= MAX_SEC_DEVICE_TYPES) {
2836 wpa_printf(MSG_ERROR, "Line %d: too many sec_device_type "
2841 idx = config->num_sec_device_types;
2843 if (wps_dev_type_str2bin(pos, config->sec_device_type[idx]))
2846 config->num_sec_device_types++;
2851 static int wpa_config_process_p2p_pref_chan(
2852 const struct global_parse_data *data,
2853 struct wpa_config *config, int line, const char *pos)
2855 struct p2p_channel *pref = NULL, *n;
2856 unsigned int num = 0;
2860 /* format: class:chan,class:chan,... */
2863 op_class = atoi(pos);
2864 pos2 = os_strchr(pos, ':');
2870 n = os_realloc(pref, (num + 1) * sizeof(struct p2p_channel));
2874 pref[num].op_class = op_class;
2875 pref[num].chan = chan;
2878 pos = os_strchr(pos2, ',');
2884 os_free(config->p2p_pref_chan);
2885 config->p2p_pref_chan = pref;
2886 config->num_p2p_pref_chan = num;
2887 wpa_hexdump(MSG_DEBUG, "P2P: Preferred class/channel pairs",
2888 (u8 *) config->p2p_pref_chan,
2889 config->num_p2p_pref_chan * sizeof(struct p2p_channel));
2895 wpa_printf(MSG_ERROR, "Line %d: Invalid p2p_pref_chan list", line);
2898 #endif /* CONFIG_P2P */
2901 static int wpa_config_process_hessid(
2902 const struct global_parse_data *data,
2903 struct wpa_config *config, int line, const char *pos)
2905 if (hwaddr_aton2(pos, config->hessid) < 0) {
2906 wpa_printf(MSG_ERROR, "Line %d: Invalid hessid '%s'",
2918 /* OFFSET: Get offset of a variable within the wpa_config structure */
2919 #define OFFSET(v) ((void *) &((struct wpa_config *) 0)->v)
2921 #define FUNC(f) #f, wpa_config_process_ ## f, OFFSET(f), NULL, NULL
2922 #define FUNC_NO_VAR(f) #f, wpa_config_process_ ## f, NULL, NULL, NULL
2923 #define _INT(f) #f, wpa_global_config_parse_int, OFFSET(f)
2924 #define INT(f) _INT(f), NULL, NULL
2925 #define INT_RANGE(f, min, max) _INT(f), (void *) min, (void *) max
2926 #define _STR(f) #f, wpa_global_config_parse_str, OFFSET(f)
2927 #define STR(f) _STR(f), NULL, NULL
2928 #define STR_RANGE(f, min, max) _STR(f), (void *) min, (void *) max
2929 #define BIN(f) #f, wpa_global_config_parse_bin, OFFSET(f), NULL, NULL
2931 static const struct global_parse_data global_fields[] = {
2932 #ifdef CONFIG_CTRL_IFACE
2933 { STR(ctrl_interface), 0 },
2934 { STR(ctrl_interface_group), 0 } /* deprecated */,
2935 #endif /* CONFIG_CTRL_IFACE */
2936 { INT_RANGE(eapol_version, 1, 2), 0 },
2937 { INT(ap_scan), 0 },
2938 { INT(disable_scan_offload), 0 },
2939 { INT(fast_reauth), 0 },
2940 { STR(opensc_engine_path), 0 },
2941 { STR(pkcs11_engine_path), 0 },
2942 { STR(pkcs11_module_path), 0 },
2943 { STR(pcsc_reader), 0 },
2944 { STR(pcsc_pin), 0 },
2945 { STR(driver_param), 0 },
2946 { INT(dot11RSNAConfigPMKLifetime), 0 },
2947 { INT(dot11RSNAConfigPMKReauthThreshold), 0 },
2948 { INT(dot11RSNAConfigSATimeout), 0 },
2949 #ifndef CONFIG_NO_CONFIG_WRITE
2950 { INT(update_config), 0 },
2951 #endif /* CONFIG_NO_CONFIG_WRITE */
2952 { FUNC_NO_VAR(load_dynamic_eap), 0 },
2954 { FUNC(uuid), CFG_CHANGED_UUID },
2955 { STR_RANGE(device_name, 0, 32), CFG_CHANGED_DEVICE_NAME },
2956 { STR_RANGE(manufacturer, 0, 64), CFG_CHANGED_WPS_STRING },
2957 { STR_RANGE(model_name, 0, 32), CFG_CHANGED_WPS_STRING },
2958 { STR_RANGE(model_number, 0, 32), CFG_CHANGED_WPS_STRING },
2959 { STR_RANGE(serial_number, 0, 32), CFG_CHANGED_WPS_STRING },
2960 { FUNC(device_type), CFG_CHANGED_DEVICE_TYPE },
2961 { FUNC(os_version), CFG_CHANGED_OS_VERSION },
2962 { STR(config_methods), CFG_CHANGED_CONFIG_METHODS },
2963 { INT_RANGE(wps_cred_processing, 0, 2), 0 },
2964 { FUNC(wps_vendor_ext_m1), CFG_CHANGED_VENDOR_EXTENSION },
2965 #endif /* CONFIG_WPS */
2967 { FUNC(sec_device_type), CFG_CHANGED_SEC_DEVICE_TYPE },
2968 { INT(p2p_listen_reg_class), 0 },
2969 { INT(p2p_listen_channel), 0 },
2970 { INT(p2p_oper_reg_class), 0 },
2971 { INT(p2p_oper_channel), 0 },
2972 { INT_RANGE(p2p_go_intent, 0, 15), 0 },
2973 { STR(p2p_ssid_postfix), CFG_CHANGED_P2P_SSID_POSTFIX },
2974 { INT_RANGE(persistent_reconnect, 0, 1), 0 },
2975 { INT_RANGE(p2p_intra_bss, 0, 1), CFG_CHANGED_P2P_INTRA_BSS },
2976 { INT(p2p_group_idle), 0 },
2977 { FUNC(p2p_pref_chan), CFG_CHANGED_P2P_PREF_CHAN },
2978 #endif /* CONFIG_P2P */
2979 { FUNC(country), CFG_CHANGED_COUNTRY },
2980 { INT(bss_max_count), 0 },
2981 { INT(bss_expiration_age), 0 },
2982 { INT(bss_expiration_scan_count), 0 },
2983 { INT_RANGE(filter_ssids, 0, 1), 0 },
2984 { INT_RANGE(filter_rssi, -100, 0), 0 },
2985 { INT(max_num_sta), 0 },
2986 { INT_RANGE(disassoc_low_ack, 0, 1), 0 },
2988 { INT_RANGE(hs20, 0, 1), 0 },
2989 #endif /* CONFIG_HS20 */
2990 { INT_RANGE(interworking, 0, 1), 0 },
2991 { FUNC(hessid), 0 },
2992 { INT_RANGE(access_network_type, 0, 15), 0 },
2993 { INT_RANGE(pbc_in_m1, 0, 1), 0 },
2994 { STR(autoscan), 0 },
2995 { INT_RANGE(wps_nfc_dev_pw_id, 0x10, 0xffff), 0 },
2996 { BIN(wps_nfc_dh_pubkey), 0 },
2997 { BIN(wps_nfc_dh_privkey), 0 },
2998 { BIN(wps_nfc_dev_pw), 0 },
2999 { STR(ext_password_backend), CFG_CHANGED_EXT_PW_BACKEND }
3010 #define NUM_GLOBAL_FIELDS (sizeof(global_fields) / sizeof(global_fields[0]))
3013 int wpa_config_process_global(struct wpa_config *config, char *pos, int line)
3018 for (i = 0; i < NUM_GLOBAL_FIELDS; i++) {
3019 const struct global_parse_data *field = &global_fields[i];
3020 size_t flen = os_strlen(field->name);
3021 if (os_strncmp(pos, field->name, flen) != 0 ||
3025 if (field->parser(field, config, line, pos + flen + 1)) {
3026 wpa_printf(MSG_ERROR, "Line %d: failed to "
3027 "parse '%s'.", line, pos);
3030 config->changed_parameters |= field->changed_flag;
3033 if (i == NUM_GLOBAL_FIELDS) {
3036 wpa_printf(MSG_ERROR, "Line %d: unknown global field '%s'.",