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)
184 dst = (int *) (((u8 *) ssid) + (long) data->param1);
185 val = strtol(value, &end, 0);
187 wpa_printf(MSG_ERROR, "Line %d: invalid number \"%s\"",
192 wpa_printf(MSG_MSGDUMP, "%s=%d (0x%x)", data->name, *dst, *dst);
194 if (data->param3 && *dst < (long) data->param3) {
195 wpa_printf(MSG_ERROR, "Line %d: too small %s (value=%d "
196 "min_value=%ld)", line, data->name, *dst,
197 (long) data->param3);
198 *dst = (long) data->param3;
202 if (data->param4 && *dst > (long) data->param4) {
203 wpa_printf(MSG_ERROR, "Line %d: too large %s (value=%d "
204 "max_value=%ld)", line, data->name, *dst,
205 (long) data->param4);
206 *dst = (long) data->param4;
214 #ifndef NO_CONFIG_WRITE
215 static char * wpa_config_write_int(const struct parse_data *data,
216 struct wpa_ssid *ssid)
221 src = (int *) (((u8 *) ssid) + (long) data->param1);
223 value = os_malloc(20);
226 res = os_snprintf(value, 20, "%d", *src);
227 if (res < 0 || res >= 20) {
231 value[20 - 1] = '\0';
234 #endif /* NO_CONFIG_WRITE */
237 static int wpa_config_parse_bssid(const struct parse_data *data,
238 struct wpa_ssid *ssid, int line,
241 if (value[0] == '\0' || os_strcmp(value, "\"\"") == 0 ||
242 os_strcmp(value, "any") == 0) {
244 wpa_printf(MSG_MSGDUMP, "BSSID any");
247 if (hwaddr_aton(value, ssid->bssid)) {
248 wpa_printf(MSG_ERROR, "Line %d: Invalid BSSID '%s'.",
253 wpa_hexdump(MSG_MSGDUMP, "BSSID", ssid->bssid, ETH_ALEN);
258 #ifndef NO_CONFIG_WRITE
259 static char * wpa_config_write_bssid(const struct parse_data *data,
260 struct wpa_ssid *ssid)
265 if (!ssid->bssid_set)
268 value = os_malloc(20);
271 res = os_snprintf(value, 20, MACSTR, MAC2STR(ssid->bssid));
272 if (res < 0 || res >= 20) {
276 value[20 - 1] = '\0';
279 #endif /* NO_CONFIG_WRITE */
282 static int wpa_config_parse_psk(const struct parse_data *data,
283 struct wpa_ssid *ssid, int line,
286 #ifdef CONFIG_EXT_PASSWORD
287 if (os_strncmp(value, "ext:", 4) == 0) {
288 os_free(ssid->passphrase);
289 ssid->passphrase = NULL;
291 os_free(ssid->ext_psk);
292 ssid->ext_psk = os_strdup(value + 4);
293 if (ssid->ext_psk == NULL)
295 wpa_printf(MSG_DEBUG, "PSK: External password '%s'",
299 #endif /* CONFIG_EXT_PASSWORD */
302 #ifndef CONFIG_NO_PBKDF2
307 pos = os_strrchr(value, '"');
311 len = os_strlen(value);
312 if (len < 8 || len > 63) {
313 wpa_printf(MSG_ERROR, "Line %d: Invalid passphrase "
314 "length %lu (expected: 8..63) '%s'.",
315 line, (unsigned long) len, value);
318 wpa_hexdump_ascii_key(MSG_MSGDUMP, "PSK (ASCII passphrase)",
320 if (ssid->passphrase && os_strlen(ssid->passphrase) == len &&
321 os_memcmp(ssid->passphrase, value, len) == 0)
324 os_free(ssid->passphrase);
325 ssid->passphrase = dup_binstr(value, len);
326 if (ssid->passphrase == NULL)
329 #else /* CONFIG_NO_PBKDF2 */
330 wpa_printf(MSG_ERROR, "Line %d: ASCII passphrase not "
333 #endif /* CONFIG_NO_PBKDF2 */
336 if (hexstr2bin(value, ssid->psk, PMK_LEN) ||
337 value[PMK_LEN * 2] != '\0') {
338 wpa_printf(MSG_ERROR, "Line %d: Invalid PSK '%s'.",
343 os_free(ssid->passphrase);
344 ssid->passphrase = NULL;
347 wpa_hexdump_key(MSG_MSGDUMP, "PSK", ssid->psk, PMK_LEN);
352 #ifndef NO_CONFIG_WRITE
353 static char * wpa_config_write_psk(const struct parse_data *data,
354 struct wpa_ssid *ssid)
356 #ifdef CONFIG_EXT_PASSWORD
358 size_t len = 4 + os_strlen(ssid->ext_psk) + 1;
359 char *buf = os_malloc(len);
362 os_snprintf(buf, len, "ext:%s", ssid->ext_psk);
365 #endif /* CONFIG_EXT_PASSWORD */
367 if (ssid->passphrase)
368 return wpa_config_write_string_ascii(
369 (const u8 *) ssid->passphrase,
370 os_strlen(ssid->passphrase));
373 return wpa_config_write_string_hex(ssid->psk, PMK_LEN);
377 #endif /* NO_CONFIG_WRITE */
380 static int wpa_config_parse_proto(const struct parse_data *data,
381 struct wpa_ssid *ssid, int line,
384 int val = 0, last, errors = 0;
385 char *start, *end, *buf;
387 buf = os_strdup(value);
392 while (*start != '\0') {
393 while (*start == ' ' || *start == '\t')
398 while (*end != ' ' && *end != '\t' && *end != '\0')
402 if (os_strcmp(start, "WPA") == 0)
403 val |= WPA_PROTO_WPA;
404 else if (os_strcmp(start, "RSN") == 0 ||
405 os_strcmp(start, "WPA2") == 0)
406 val |= WPA_PROTO_RSN;
408 wpa_printf(MSG_ERROR, "Line %d: invalid proto '%s'",
420 wpa_printf(MSG_ERROR,
421 "Line %d: no proto values configured.", line);
425 wpa_printf(MSG_MSGDUMP, "proto: 0x%x", val);
427 return errors ? -1 : 0;
431 #ifndef NO_CONFIG_WRITE
432 static char * wpa_config_write_proto(const struct parse_data *data,
433 struct wpa_ssid *ssid)
436 char *buf, *pos, *end;
438 pos = buf = os_zalloc(10);
443 if (ssid->proto & WPA_PROTO_WPA) {
444 ret = os_snprintf(pos, end - pos, "%sWPA", first ? "" : " ");
445 if (ret < 0 || ret >= end - pos)
451 if (ssid->proto & WPA_PROTO_RSN) {
452 ret = os_snprintf(pos, end - pos, "%sRSN", first ? "" : " ");
453 if (ret < 0 || ret >= end - pos)
461 #endif /* NO_CONFIG_WRITE */
464 static int wpa_config_parse_key_mgmt(const struct parse_data *data,
465 struct wpa_ssid *ssid, int line,
468 int val = 0, last, errors = 0;
469 char *start, *end, *buf;
471 buf = os_strdup(value);
476 while (*start != '\0') {
477 while (*start == ' ' || *start == '\t')
482 while (*end != ' ' && *end != '\t' && *end != '\0')
486 if (os_strcmp(start, "WPA-PSK") == 0)
487 val |= WPA_KEY_MGMT_PSK;
488 else if (os_strcmp(start, "WPA-EAP") == 0)
489 val |= WPA_KEY_MGMT_IEEE8021X;
490 else if (os_strcmp(start, "IEEE8021X") == 0)
491 val |= WPA_KEY_MGMT_IEEE8021X_NO_WPA;
492 else if (os_strcmp(start, "NONE") == 0)
493 val |= WPA_KEY_MGMT_NONE;
494 else if (os_strcmp(start, "WPA-NONE") == 0)
495 val |= WPA_KEY_MGMT_WPA_NONE;
496 #ifdef CONFIG_IEEE80211R
497 else if (os_strcmp(start, "FT-PSK") == 0)
498 val |= WPA_KEY_MGMT_FT_PSK;
499 else if (os_strcmp(start, "FT-EAP") == 0)
500 val |= WPA_KEY_MGMT_FT_IEEE8021X;
501 #endif /* CONFIG_IEEE80211R */
502 #ifdef CONFIG_IEEE80211W
503 else if (os_strcmp(start, "WPA-PSK-SHA256") == 0)
504 val |= WPA_KEY_MGMT_PSK_SHA256;
505 else if (os_strcmp(start, "WPA-EAP-SHA256") == 0)
506 val |= WPA_KEY_MGMT_IEEE8021X_SHA256;
507 #endif /* CONFIG_IEEE80211W */
509 else if (os_strcmp(start, "WPS") == 0)
510 val |= WPA_KEY_MGMT_WPS;
511 #endif /* CONFIG_WPS */
513 else if (os_strcmp(start, "SAE") == 0)
514 val |= WPA_KEY_MGMT_SAE;
515 else if (os_strcmp(start, "FT-SAE") == 0)
516 val |= WPA_KEY_MGMT_FT_SAE;
517 #endif /* CONFIG_SAE */
519 wpa_printf(MSG_ERROR, "Line %d: invalid key_mgmt '%s'",
531 wpa_printf(MSG_ERROR,
532 "Line %d: no key_mgmt values configured.", line);
536 wpa_printf(MSG_MSGDUMP, "key_mgmt: 0x%x", val);
537 ssid->key_mgmt = val;
538 return errors ? -1 : 0;
542 #ifndef NO_CONFIG_WRITE
543 static char * wpa_config_write_key_mgmt(const struct parse_data *data,
544 struct wpa_ssid *ssid)
546 char *buf, *pos, *end;
549 pos = buf = os_zalloc(50);
554 if (ssid->key_mgmt & WPA_KEY_MGMT_PSK) {
555 ret = os_snprintf(pos, end - pos, "%sWPA-PSK",
556 pos == buf ? "" : " ");
557 if (ret < 0 || ret >= end - pos) {
564 if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
565 ret = os_snprintf(pos, end - pos, "%sWPA-EAP",
566 pos == buf ? "" : " ");
567 if (ret < 0 || ret >= end - pos) {
574 if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
575 ret = os_snprintf(pos, end - pos, "%sIEEE8021X",
576 pos == buf ? "" : " ");
577 if (ret < 0 || ret >= end - pos) {
584 if (ssid->key_mgmt & WPA_KEY_MGMT_NONE) {
585 ret = os_snprintf(pos, end - pos, "%sNONE",
586 pos == buf ? "" : " ");
587 if (ret < 0 || ret >= end - pos) {
594 if (ssid->key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
595 ret = os_snprintf(pos, end - pos, "%sWPA-NONE",
596 pos == buf ? "" : " ");
597 if (ret < 0 || ret >= end - pos) {
604 #ifdef CONFIG_IEEE80211R
605 if (ssid->key_mgmt & WPA_KEY_MGMT_FT_PSK)
606 pos += os_snprintf(pos, end - pos, "%sFT-PSK",
607 pos == buf ? "" : " ");
609 if (ssid->key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X)
610 pos += os_snprintf(pos, end - pos, "%sFT-EAP",
611 pos == buf ? "" : " ");
612 #endif /* CONFIG_IEEE80211R */
614 #ifdef CONFIG_IEEE80211W
615 if (ssid->key_mgmt & WPA_KEY_MGMT_PSK_SHA256)
616 pos += os_snprintf(pos, end - pos, "%sWPA-PSK-SHA256",
617 pos == buf ? "" : " ");
619 if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256)
620 pos += os_snprintf(pos, end - pos, "%sWPA-EAP-SHA256",
621 pos == buf ? "" : " ");
622 #endif /* CONFIG_IEEE80211W */
625 if (ssid->key_mgmt & WPA_KEY_MGMT_WPS)
626 pos += os_snprintf(pos, end - pos, "%sWPS",
627 pos == buf ? "" : " ");
628 #endif /* CONFIG_WPS */
632 #endif /* NO_CONFIG_WRITE */
635 static int wpa_config_parse_cipher(int line, const char *value)
637 int val = wpa_parse_cipher(value);
639 wpa_printf(MSG_ERROR, "Line %d: invalid cipher '%s'.",
644 wpa_printf(MSG_ERROR, "Line %d: no cipher values configured.",
652 #ifndef NO_CONFIG_WRITE
653 static char * wpa_config_write_cipher(int cipher)
655 char *buf = os_zalloc(50);
659 if (wpa_write_ciphers(buf, buf + 50, cipher, " ") < 0) {
666 #endif /* NO_CONFIG_WRITE */
669 static int wpa_config_parse_pairwise(const struct parse_data *data,
670 struct wpa_ssid *ssid, int line,
674 val = wpa_config_parse_cipher(line, value);
677 if (val & ~WPA_ALLOWED_PAIRWISE_CIPHERS) {
678 wpa_printf(MSG_ERROR, "Line %d: not allowed pairwise cipher "
679 "(0x%x).", line, val);
683 wpa_printf(MSG_MSGDUMP, "pairwise: 0x%x", val);
684 ssid->pairwise_cipher = val;
689 #ifndef NO_CONFIG_WRITE
690 static char * wpa_config_write_pairwise(const struct parse_data *data,
691 struct wpa_ssid *ssid)
693 return wpa_config_write_cipher(ssid->pairwise_cipher);
695 #endif /* NO_CONFIG_WRITE */
698 static int wpa_config_parse_group(const struct parse_data *data,
699 struct wpa_ssid *ssid, int line,
703 val = wpa_config_parse_cipher(line, value);
706 if (val & ~WPA_ALLOWED_GROUP_CIPHERS) {
707 wpa_printf(MSG_ERROR, "Line %d: not allowed group cipher "
708 "(0x%x).", line, val);
712 wpa_printf(MSG_MSGDUMP, "group: 0x%x", val);
713 ssid->group_cipher = val;
718 #ifndef NO_CONFIG_WRITE
719 static char * wpa_config_write_group(const struct parse_data *data,
720 struct wpa_ssid *ssid)
722 return wpa_config_write_cipher(ssid->group_cipher);
724 #endif /* NO_CONFIG_WRITE */
727 static int wpa_config_parse_auth_alg(const struct parse_data *data,
728 struct wpa_ssid *ssid, int line,
731 int val = 0, last, errors = 0;
732 char *start, *end, *buf;
734 buf = os_strdup(value);
739 while (*start != '\0') {
740 while (*start == ' ' || *start == '\t')
745 while (*end != ' ' && *end != '\t' && *end != '\0')
749 if (os_strcmp(start, "OPEN") == 0)
750 val |= WPA_AUTH_ALG_OPEN;
751 else if (os_strcmp(start, "SHARED") == 0)
752 val |= WPA_AUTH_ALG_SHARED;
753 else if (os_strcmp(start, "LEAP") == 0)
754 val |= WPA_AUTH_ALG_LEAP;
756 wpa_printf(MSG_ERROR, "Line %d: invalid auth_alg '%s'",
768 wpa_printf(MSG_ERROR,
769 "Line %d: no auth_alg values configured.", line);
773 wpa_printf(MSG_MSGDUMP, "auth_alg: 0x%x", val);
774 ssid->auth_alg = val;
775 return errors ? -1 : 0;
779 #ifndef NO_CONFIG_WRITE
780 static char * wpa_config_write_auth_alg(const struct parse_data *data,
781 struct wpa_ssid *ssid)
783 char *buf, *pos, *end;
786 pos = buf = os_zalloc(30);
791 if (ssid->auth_alg & WPA_AUTH_ALG_OPEN) {
792 ret = os_snprintf(pos, end - pos, "%sOPEN",
793 pos == buf ? "" : " ");
794 if (ret < 0 || ret >= end - pos) {
801 if (ssid->auth_alg & WPA_AUTH_ALG_SHARED) {
802 ret = os_snprintf(pos, end - pos, "%sSHARED",
803 pos == buf ? "" : " ");
804 if (ret < 0 || ret >= end - pos) {
811 if (ssid->auth_alg & WPA_AUTH_ALG_LEAP) {
812 ret = os_snprintf(pos, end - pos, "%sLEAP",
813 pos == buf ? "" : " ");
814 if (ret < 0 || ret >= end - pos) {
823 #endif /* NO_CONFIG_WRITE */
826 static int * wpa_config_parse_int_array(const char *value)
834 freqs = os_calloc(len + 1, sizeof(int));
845 n = os_realloc_array(freqs, len * 2 + 1, sizeof(int));
850 for (i = len; i <= len * 2; i++)
856 freqs[used] = atoi(pos);
857 if (freqs[used] == 0)
860 pos = os_strchr(pos + 1, ' ');
867 static int wpa_config_parse_scan_freq(const struct parse_data *data,
868 struct wpa_ssid *ssid, int line,
873 freqs = wpa_config_parse_int_array(value);
880 os_free(ssid->scan_freq);
881 ssid->scan_freq = freqs;
887 static int wpa_config_parse_freq_list(const struct parse_data *data,
888 struct wpa_ssid *ssid, int line,
893 freqs = wpa_config_parse_int_array(value);
900 os_free(ssid->freq_list);
901 ssid->freq_list = freqs;
907 #ifndef NO_CONFIG_WRITE
908 static char * wpa_config_write_freqs(const struct parse_data *data,
911 char *buf, *pos, *end;
919 for (i = 0; freqs[i]; i++)
922 pos = buf = os_zalloc(10 * count + 1);
925 end = buf + 10 * count + 1;
927 for (i = 0; freqs[i]; i++) {
928 ret = os_snprintf(pos, end - pos, "%s%u",
929 i == 0 ? "" : " ", freqs[i]);
930 if (ret < 0 || ret >= end - pos) {
941 static char * wpa_config_write_scan_freq(const struct parse_data *data,
942 struct wpa_ssid *ssid)
944 return wpa_config_write_freqs(data, ssid->scan_freq);
948 static char * wpa_config_write_freq_list(const struct parse_data *data,
949 struct wpa_ssid *ssid)
951 return wpa_config_write_freqs(data, ssid->freq_list);
953 #endif /* NO_CONFIG_WRITE */
956 #ifdef IEEE8021X_EAPOL
957 static int wpa_config_parse_eap(const struct parse_data *data,
958 struct wpa_ssid *ssid, int line,
961 int last, errors = 0;
962 char *start, *end, *buf;
963 struct eap_method_type *methods = NULL, *tmp;
964 size_t num_methods = 0;
966 buf = os_strdup(value);
971 while (*start != '\0') {
972 while (*start == ' ' || *start == '\t')
977 while (*end != ' ' && *end != '\t' && *end != '\0')
982 methods = os_realloc_array(methods, num_methods + 1,
984 if (methods == NULL) {
989 methods[num_methods].method = eap_peer_get_type(
990 start, &methods[num_methods].vendor);
991 if (methods[num_methods].vendor == EAP_VENDOR_IETF &&
992 methods[num_methods].method == EAP_TYPE_NONE) {
993 wpa_printf(MSG_ERROR, "Line %d: unknown EAP method "
994 "'%s'", line, start);
995 wpa_printf(MSG_ERROR, "You may need to add support for"
996 " this EAP method during wpa_supplicant\n"
997 "build time configuration.\n"
998 "See README for more information.");
1000 } else if (methods[num_methods].vendor == EAP_VENDOR_IETF &&
1001 methods[num_methods].method == EAP_TYPE_LEAP)
1013 methods = os_realloc_array(methods, num_methods + 1, sizeof(*methods));
1014 if (methods == NULL) {
1018 methods[num_methods].vendor = EAP_VENDOR_IETF;
1019 methods[num_methods].method = EAP_TYPE_NONE;
1022 wpa_hexdump(MSG_MSGDUMP, "eap methods",
1023 (u8 *) methods, num_methods * sizeof(*methods));
1024 os_free(ssid->eap.eap_methods);
1025 ssid->eap.eap_methods = methods;
1026 return errors ? -1 : 0;
1030 static char * wpa_config_write_eap(const struct parse_data *data,
1031 struct wpa_ssid *ssid)
1034 char *buf, *pos, *end;
1035 const struct eap_method_type *eap_methods = ssid->eap.eap_methods;
1038 if (eap_methods == NULL)
1041 pos = buf = os_zalloc(100);
1046 for (i = 0; eap_methods[i].vendor != EAP_VENDOR_IETF ||
1047 eap_methods[i].method != EAP_TYPE_NONE; i++) {
1048 name = eap_get_name(eap_methods[i].vendor,
1049 eap_methods[i].method);
1051 ret = os_snprintf(pos, end - pos, "%s%s",
1052 pos == buf ? "" : " ", name);
1053 if (ret < 0 || ret >= end - pos)
1065 static int wpa_config_parse_password(const struct parse_data *data,
1066 struct wpa_ssid *ssid, int line,
1071 if (os_strcmp(value, "NULL") == 0) {
1072 wpa_printf(MSG_DEBUG, "Unset configuration string 'password'");
1073 os_free(ssid->eap.password);
1074 ssid->eap.password = NULL;
1075 ssid->eap.password_len = 0;
1079 #ifdef CONFIG_EXT_PASSWORD
1080 if (os_strncmp(value, "ext:", 4) == 0) {
1081 char *name = os_strdup(value + 4);
1084 os_free(ssid->eap.password);
1085 ssid->eap.password = (u8 *) name;
1086 ssid->eap.password_len = os_strlen(name);
1087 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_PASSWORD_NTHASH;
1088 ssid->eap.flags |= EAP_CONFIG_FLAGS_EXT_PASSWORD;
1091 #endif /* CONFIG_EXT_PASSWORD */
1093 if (os_strncmp(value, "hash:", 5) != 0) {
1097 tmp = wpa_config_parse_string(value, &res_len);
1099 wpa_printf(MSG_ERROR, "Line %d: failed to parse "
1103 wpa_hexdump_ascii_key(MSG_MSGDUMP, data->name,
1104 (u8 *) tmp, res_len);
1106 os_free(ssid->eap.password);
1107 ssid->eap.password = (u8 *) tmp;
1108 ssid->eap.password_len = res_len;
1109 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_PASSWORD_NTHASH;
1110 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_EXT_PASSWORD;
1116 /* NtPasswordHash: hash:<32 hex digits> */
1117 if (os_strlen(value + 5) != 2 * 16) {
1118 wpa_printf(MSG_ERROR, "Line %d: Invalid password hash length "
1119 "(expected 32 hex digits)", line);
1123 hash = os_malloc(16);
1127 if (hexstr2bin(value + 5, hash, 16)) {
1129 wpa_printf(MSG_ERROR, "Line %d: Invalid password hash", line);
1133 wpa_hexdump_key(MSG_MSGDUMP, data->name, hash, 16);
1135 os_free(ssid->eap.password);
1136 ssid->eap.password = hash;
1137 ssid->eap.password_len = 16;
1138 ssid->eap.flags |= EAP_CONFIG_FLAGS_PASSWORD_NTHASH;
1139 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_EXT_PASSWORD;
1145 static char * wpa_config_write_password(const struct parse_data *data,
1146 struct wpa_ssid *ssid)
1150 if (ssid->eap.password == NULL)
1153 #ifdef CONFIG_EXT_PASSWORD
1154 if (ssid->eap.flags & EAP_CONFIG_FLAGS_EXT_PASSWORD) {
1155 buf = os_zalloc(4 + ssid->eap.password_len + 1);
1158 os_memcpy(buf, "ext:", 4);
1159 os_memcpy(buf + 4, ssid->eap.password, ssid->eap.password_len);
1162 #endif /* CONFIG_EXT_PASSWORD */
1164 if (!(ssid->eap.flags & EAP_CONFIG_FLAGS_PASSWORD_NTHASH)) {
1165 return wpa_config_write_string(
1166 ssid->eap.password, ssid->eap.password_len);
1169 buf = os_malloc(5 + 32 + 1);
1173 os_memcpy(buf, "hash:", 5);
1174 wpa_snprintf_hex(buf + 5, 32 + 1, ssid->eap.password, 16);
1178 #endif /* IEEE8021X_EAPOL */
1181 static int wpa_config_parse_wep_key(u8 *key, size_t *len, int line,
1182 const char *value, int idx)
1184 char *buf, title[20];
1187 buf = wpa_config_parse_string(value, len);
1189 wpa_printf(MSG_ERROR, "Line %d: Invalid WEP key %d '%s'.",
1193 if (*len > MAX_WEP_KEY_LEN) {
1194 wpa_printf(MSG_ERROR, "Line %d: Too long WEP key %d '%s'.",
1199 if (*len && *len != 5 && *len != 13 && *len != 16) {
1200 wpa_printf(MSG_ERROR, "Line %d: Invalid WEP key length %u - "
1201 "this network block will be ignored",
1202 line, (unsigned int) *len);
1204 os_memcpy(key, buf, *len);
1206 res = os_snprintf(title, sizeof(title), "wep_key%d", idx);
1207 if (res >= 0 && (size_t) res < sizeof(title))
1208 wpa_hexdump_key(MSG_MSGDUMP, title, key, *len);
1213 static int wpa_config_parse_wep_key0(const struct parse_data *data,
1214 struct wpa_ssid *ssid, int line,
1217 return wpa_config_parse_wep_key(ssid->wep_key[0],
1218 &ssid->wep_key_len[0], line,
1223 static int wpa_config_parse_wep_key1(const struct parse_data *data,
1224 struct wpa_ssid *ssid, int line,
1227 return wpa_config_parse_wep_key(ssid->wep_key[1],
1228 &ssid->wep_key_len[1], line,
1233 static int wpa_config_parse_wep_key2(const struct parse_data *data,
1234 struct wpa_ssid *ssid, int line,
1237 return wpa_config_parse_wep_key(ssid->wep_key[2],
1238 &ssid->wep_key_len[2], line,
1243 static int wpa_config_parse_wep_key3(const struct parse_data *data,
1244 struct wpa_ssid *ssid, int line,
1247 return wpa_config_parse_wep_key(ssid->wep_key[3],
1248 &ssid->wep_key_len[3], line,
1253 #ifndef NO_CONFIG_WRITE
1254 static char * wpa_config_write_wep_key(struct wpa_ssid *ssid, int idx)
1256 if (ssid->wep_key_len[idx] == 0)
1258 return wpa_config_write_string(ssid->wep_key[idx],
1259 ssid->wep_key_len[idx]);
1263 static char * wpa_config_write_wep_key0(const struct parse_data *data,
1264 struct wpa_ssid *ssid)
1266 return wpa_config_write_wep_key(ssid, 0);
1270 static char * wpa_config_write_wep_key1(const struct parse_data *data,
1271 struct wpa_ssid *ssid)
1273 return wpa_config_write_wep_key(ssid, 1);
1277 static char * wpa_config_write_wep_key2(const struct parse_data *data,
1278 struct wpa_ssid *ssid)
1280 return wpa_config_write_wep_key(ssid, 2);
1284 static char * wpa_config_write_wep_key3(const struct parse_data *data,
1285 struct wpa_ssid *ssid)
1287 return wpa_config_write_wep_key(ssid, 3);
1289 #endif /* NO_CONFIG_WRITE */
1294 static int wpa_config_parse_p2p_client_list(const struct parse_data *data,
1295 struct wpa_ssid *ssid, int line,
1299 u8 *buf, *n, addr[ETH_ALEN];
1306 while (pos && *pos) {
1310 if (hwaddr_aton(pos, addr)) {
1312 wpa_printf(MSG_ERROR, "Line %d: Invalid "
1313 "p2p_client_list address '%s'.",
1318 /* continue anyway since this could have been from a
1319 * truncated configuration file line */
1320 wpa_printf(MSG_INFO, "Line %d: Ignore likely "
1321 "truncated p2p_client_list address '%s'",
1324 n = os_realloc_array(buf, count + 1, ETH_ALEN);
1330 os_memmove(buf + ETH_ALEN, buf, count * ETH_ALEN);
1331 os_memcpy(buf, addr, ETH_ALEN);
1333 wpa_hexdump(MSG_MSGDUMP, "p2p_client_list",
1337 pos = os_strchr(pos, ' ');
1340 os_free(ssid->p2p_client_list);
1341 ssid->p2p_client_list = buf;
1342 ssid->num_p2p_clients = count;
1348 #ifndef NO_CONFIG_WRITE
1349 static char * wpa_config_write_p2p_client_list(const struct parse_data *data,
1350 struct wpa_ssid *ssid)
1352 char *value, *end, *pos;
1356 if (ssid->p2p_client_list == NULL || ssid->num_p2p_clients == 0)
1359 value = os_malloc(20 * ssid->num_p2p_clients);
1363 end = value + 20 * ssid->num_p2p_clients;
1365 for (i = ssid->num_p2p_clients; i > 0; i--) {
1366 res = os_snprintf(pos, end - pos, MACSTR " ",
1367 MAC2STR(ssid->p2p_client_list +
1368 (i - 1) * ETH_ALEN));
1369 if (res < 0 || res >= end - pos) {
1381 #endif /* NO_CONFIG_WRITE */
1384 static int wpa_config_parse_psk_list(const struct parse_data *data,
1385 struct wpa_ssid *ssid, int line,
1388 struct psk_list_entry *p;
1391 p = os_zalloc(sizeof(*p));
1396 if (os_strncmp(pos, "P2P-", 4) == 0) {
1401 if (hwaddr_aton(pos, p->addr)) {
1402 wpa_printf(MSG_ERROR, "Line %d: Invalid psk_list address '%s'",
1409 wpa_printf(MSG_ERROR, "Line %d: Invalid psk_list '%s'",
1416 if (hexstr2bin(pos, p->psk, PMK_LEN) || pos[PMK_LEN * 2] != '\0') {
1417 wpa_printf(MSG_ERROR, "Line %d: Invalid psk_list PSK '%s'",
1423 dl_list_add(&ssid->psk_list, &p->list);
1429 #ifndef NO_CONFIG_WRITE
1430 static char * wpa_config_write_psk_list(const struct parse_data *data,
1431 struct wpa_ssid *ssid)
1435 #endif /* NO_CONFIG_WRITE */
1437 #endif /* CONFIG_P2P */
1439 /* Helper macros for network block parser */
1444 /* OFFSET: Get offset of a variable within the wpa_ssid structure */
1445 #define OFFSET(v) ((void *) &((struct wpa_ssid *) 0)->v)
1447 /* STR: Define a string variable for an ASCII string; f = field name */
1448 #ifdef NO_CONFIG_WRITE
1449 #define _STR(f) #f, wpa_config_parse_str, OFFSET(f)
1450 #define _STRe(f) #f, wpa_config_parse_str, OFFSET(eap.f)
1451 #else /* NO_CONFIG_WRITE */
1452 #define _STR(f) #f, wpa_config_parse_str, wpa_config_write_str, OFFSET(f)
1453 #define _STRe(f) #f, wpa_config_parse_str, wpa_config_write_str, OFFSET(eap.f)
1454 #endif /* NO_CONFIG_WRITE */
1455 #define STR(f) _STR(f), NULL, NULL, NULL, 0
1456 #define STRe(f) _STRe(f), NULL, NULL, NULL, 0
1457 #define STR_KEY(f) _STR(f), NULL, NULL, NULL, 1
1458 #define STR_KEYe(f) _STRe(f), NULL, NULL, NULL, 1
1460 /* STR_LEN: Define a string variable with a separate variable for storing the
1461 * data length. Unlike STR(), this can be used to store arbitrary binary data
1462 * (i.e., even nul termination character). */
1463 #define _STR_LEN(f) _STR(f), OFFSET(f ## _len)
1464 #define _STR_LENe(f) _STRe(f), OFFSET(eap.f ## _len)
1465 #define STR_LEN(f) _STR_LEN(f), NULL, NULL, 0
1466 #define STR_LENe(f) _STR_LENe(f), NULL, NULL, 0
1467 #define STR_LEN_KEY(f) _STR_LEN(f), NULL, NULL, 1
1469 /* STR_RANGE: Like STR_LEN(), but with minimum and maximum allowed length
1470 * explicitly specified. */
1471 #define _STR_RANGE(f, min, max) _STR_LEN(f), (void *) (min), (void *) (max)
1472 #define STR_RANGE(f, min, max) _STR_RANGE(f, min, max), 0
1473 #define STR_RANGE_KEY(f, min, max) _STR_RANGE(f, min, max), 1
1475 #ifdef NO_CONFIG_WRITE
1476 #define _INT(f) #f, wpa_config_parse_int, OFFSET(f), (void *) 0
1477 #define _INTe(f) #f, wpa_config_parse_int, OFFSET(eap.f), (void *) 0
1478 #else /* NO_CONFIG_WRITE */
1479 #define _INT(f) #f, wpa_config_parse_int, wpa_config_write_int, \
1480 OFFSET(f), (void *) 0
1481 #define _INTe(f) #f, wpa_config_parse_int, wpa_config_write_int, \
1482 OFFSET(eap.f), (void *) 0
1483 #endif /* NO_CONFIG_WRITE */
1485 /* INT: Define an integer variable */
1486 #define INT(f) _INT(f), NULL, NULL, 0
1487 #define INTe(f) _INTe(f), NULL, NULL, 0
1489 /* INT_RANGE: Define an integer variable with allowed value range */
1490 #define INT_RANGE(f, min, max) _INT(f), (void *) (min), (void *) (max), 0
1492 /* FUNC: Define a configuration variable that uses a custom function for
1493 * parsing and writing the value. */
1494 #ifdef NO_CONFIG_WRITE
1495 #define _FUNC(f) #f, wpa_config_parse_ ## f, NULL, NULL, NULL, NULL
1496 #else /* NO_CONFIG_WRITE */
1497 #define _FUNC(f) #f, wpa_config_parse_ ## f, wpa_config_write_ ## f, \
1498 NULL, NULL, NULL, NULL
1499 #endif /* NO_CONFIG_WRITE */
1500 #define FUNC(f) _FUNC(f), 0
1501 #define FUNC_KEY(f) _FUNC(f), 1
1504 * Table of network configuration variables. This table is used to parse each
1505 * network configuration variable, e.g., each line in wpa_supplicant.conf file
1506 * that is inside a network block.
1508 * This table is generated using the helper macros defined above and with
1509 * generous help from the C pre-processor. The field name is stored as a string
1510 * into .name and for STR and INT types, the offset of the target buffer within
1511 * struct wpa_ssid is stored in .param1. .param2 (if not NULL) is similar
1512 * offset to the field containing the length of the configuration variable.
1513 * .param3 and .param4 can be used to mark the allowed range (length for STR
1514 * and value for INT).
1516 * For each configuration line in wpa_supplicant.conf, the parser goes through
1517 * this table and select the entry that matches with the field name. The parser
1518 * function (.parser) is then called to parse the actual value of the field.
1520 * This kind of mechanism makes it easy to add new configuration parameters,
1521 * since only one line needs to be added into this table and into the
1522 * struct wpa_ssid definition if the new variable is either a string or
1523 * integer. More complex types will need to use their own parser and writer
1526 static const struct parse_data ssid_fields[] = {
1527 { STR_RANGE(ssid, 0, MAX_SSID_LEN) },
1528 { INT_RANGE(scan_ssid, 0, 1) },
1533 { INT(bg_scan_period) },
1537 { FUNC(scan_freq) },
1538 { FUNC(freq_list) },
1539 #ifdef IEEE8021X_EAPOL
1541 { STR_LENe(identity) },
1542 { STR_LENe(anonymous_identity) },
1543 { FUNC_KEY(password) },
1546 { STRe(client_cert) },
1547 { STRe(private_key) },
1548 { STR_KEYe(private_key_passwd) },
1550 { STRe(subject_match) },
1551 { STRe(altsubject_match) },
1554 { STRe(client_cert2) },
1555 { STRe(private_key2) },
1556 { STR_KEYe(private_key2_passwd) },
1558 { STRe(subject_match2) },
1559 { STRe(altsubject_match2) },
1564 { STRe(engine_id) },
1567 { STRe(ca_cert_id) },
1569 { STRe(engine2_id) },
1572 { STRe(ca_cert2_id) },
1575 { INT(eapol_flags) },
1576 #endif /* IEEE8021X_EAPOL */
1577 { FUNC_KEY(wep_key0) },
1578 { FUNC_KEY(wep_key1) },
1579 { FUNC_KEY(wep_key2) },
1580 { FUNC_KEY(wep_key3) },
1581 { INT(wep_tx_keyidx) },
1583 #ifdef IEEE8021X_EAPOL
1584 { INT(eap_workaround) },
1586 { INTe(fragment_size) },
1588 #endif /* IEEE8021X_EAPOL */
1589 { INT_RANGE(mode, 0, 4) },
1590 { INT_RANGE(proactive_key_caching, 0, 1) },
1591 { INT_RANGE(disabled, 0, 2) },
1593 #ifdef CONFIG_IEEE80211W
1594 { INT_RANGE(ieee80211w, 0, 2) },
1595 #endif /* CONFIG_IEEE80211W */
1596 { INT_RANGE(peerkey, 0, 1) },
1597 { INT_RANGE(mixed_cell, 0, 1) },
1598 { INT_RANGE(frequency, 0, 65000) },
1599 { INT(wpa_ptk_rekey) },
1601 { INT_RANGE(ignore_broadcast_ssid, 0, 2) },
1603 { FUNC(p2p_client_list) },
1605 #endif /* CONFIG_P2P */
1606 #ifdef CONFIG_HT_OVERRIDES
1607 { INT_RANGE(disable_ht, 0, 1) },
1608 { INT_RANGE(disable_ht40, -1, 1) },
1609 { INT_RANGE(disable_sgi, 0, 1) },
1610 { INT_RANGE(disable_max_amsdu, -1, 1) },
1611 { INT_RANGE(ampdu_factor, -1, 3) },
1612 { INT_RANGE(ampdu_density, -1, 7) },
1614 #endif /* CONFIG_HT_OVERRIDES */
1615 #ifdef CONFIG_VHT_OVERRIDES
1616 { INT_RANGE(disable_vht, 0, 1) },
1618 { INT(vht_capa_mask) },
1619 { INT_RANGE(vht_rx_mcs_nss_1, -1, 3) },
1620 { INT_RANGE(vht_rx_mcs_nss_2, -1, 3) },
1621 { INT_RANGE(vht_rx_mcs_nss_3, -1, 3) },
1622 { INT_RANGE(vht_rx_mcs_nss_4, -1, 3) },
1623 { INT_RANGE(vht_rx_mcs_nss_5, -1, 3) },
1624 { INT_RANGE(vht_rx_mcs_nss_6, -1, 3) },
1625 { INT_RANGE(vht_rx_mcs_nss_7, -1, 3) },
1626 { INT_RANGE(vht_rx_mcs_nss_8, -1, 3) },
1627 { INT_RANGE(vht_tx_mcs_nss_1, -1, 3) },
1628 { INT_RANGE(vht_tx_mcs_nss_2, -1, 3) },
1629 { INT_RANGE(vht_tx_mcs_nss_3, -1, 3) },
1630 { INT_RANGE(vht_tx_mcs_nss_4, -1, 3) },
1631 { INT_RANGE(vht_tx_mcs_nss_5, -1, 3) },
1632 { INT_RANGE(vht_tx_mcs_nss_6, -1, 3) },
1633 { INT_RANGE(vht_tx_mcs_nss_7, -1, 3) },
1634 { INT_RANGE(vht_tx_mcs_nss_8, -1, 3) },
1635 #endif /* CONFIG_VHT_OVERRIDES */
1636 { INT(ap_max_inactivity) },
1637 { INT(dtim_period) },
1638 { INT(beacon_int) },
1650 #undef STR_RANGE_KEY
1657 #define NUM_SSID_FIELDS (sizeof(ssid_fields) / sizeof(ssid_fields[0]))
1661 * wpa_config_add_prio_network - Add a network to priority lists
1662 * @config: Configuration data from wpa_config_read()
1663 * @ssid: Pointer to the network configuration to be added to the list
1664 * Returns: 0 on success, -1 on failure
1666 * This function is used to add a network block to the priority list of
1667 * networks. This must be called for each network when reading in the full
1668 * configuration. In addition, this can be used indirectly when updating
1669 * priorities by calling wpa_config_update_prio_list().
1671 int wpa_config_add_prio_network(struct wpa_config *config,
1672 struct wpa_ssid *ssid)
1675 struct wpa_ssid *prev, **nlist;
1678 * Add to an existing priority list if one is available for the
1679 * configured priority level for this network.
1681 for (prio = 0; prio < config->num_prio; prio++) {
1682 prev = config->pssid[prio];
1683 if (prev->priority == ssid->priority) {
1691 /* First network for this priority - add a new priority list */
1692 nlist = os_realloc_array(config->pssid, config->num_prio + 1,
1693 sizeof(struct wpa_ssid *));
1697 for (prio = 0; prio < config->num_prio; prio++) {
1698 if (nlist[prio]->priority < ssid->priority) {
1699 os_memmove(&nlist[prio + 1], &nlist[prio],
1700 (config->num_prio - prio) *
1701 sizeof(struct wpa_ssid *));
1708 config->pssid = nlist;
1715 * wpa_config_update_prio_list - Update network priority list
1716 * @config: Configuration data from wpa_config_read()
1717 * Returns: 0 on success, -1 on failure
1719 * This function is called to update the priority list of networks in the
1720 * configuration when a network is being added or removed. This is also called
1721 * if a priority for a network is changed.
1723 int wpa_config_update_prio_list(struct wpa_config *config)
1725 struct wpa_ssid *ssid;
1728 os_free(config->pssid);
1729 config->pssid = NULL;
1730 config->num_prio = 0;
1732 ssid = config->ssid;
1735 if (wpa_config_add_prio_network(config, ssid) < 0)
1744 #ifdef IEEE8021X_EAPOL
1745 static void eap_peer_config_free(struct eap_peer_config *eap)
1747 os_free(eap->eap_methods);
1748 os_free(eap->identity);
1749 os_free(eap->anonymous_identity);
1750 os_free(eap->password);
1751 os_free(eap->ca_cert);
1752 os_free(eap->ca_path);
1753 os_free(eap->client_cert);
1754 os_free(eap->private_key);
1755 os_free(eap->private_key_passwd);
1756 os_free(eap->dh_file);
1757 os_free(eap->subject_match);
1758 os_free(eap->altsubject_match);
1759 os_free(eap->ca_cert2);
1760 os_free(eap->ca_path2);
1761 os_free(eap->client_cert2);
1762 os_free(eap->private_key2);
1763 os_free(eap->private_key2_passwd);
1764 os_free(eap->dh_file2);
1765 os_free(eap->subject_match2);
1766 os_free(eap->altsubject_match2);
1767 os_free(eap->phase1);
1768 os_free(eap->phase2);
1771 os_free(eap->engine_id);
1772 os_free(eap->key_id);
1773 os_free(eap->cert_id);
1774 os_free(eap->ca_cert_id);
1775 os_free(eap->key2_id);
1776 os_free(eap->cert2_id);
1777 os_free(eap->ca_cert2_id);
1779 os_free(eap->engine2_id);
1781 os_free(eap->pending_req_otp);
1782 os_free(eap->pac_file);
1783 os_free(eap->new_password);
1785 #endif /* IEEE8021X_EAPOL */
1789 * wpa_config_free_ssid - Free network/ssid configuration data
1790 * @ssid: Configuration data for the network
1792 * This function frees all resources allocated for the network configuration
1795 void wpa_config_free_ssid(struct wpa_ssid *ssid)
1797 struct psk_list_entry *psk;
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 */
1813 while ((psk = dl_list_first(&ssid->psk_list, struct psk_list_entry,
1815 dl_list_del(&psk->list);
1822 void wpa_config_free_cred(struct wpa_cred *cred)
1824 os_free(cred->realm);
1825 os_free(cred->username);
1826 os_free(cred->password);
1827 os_free(cred->ca_cert);
1828 os_free(cred->client_cert);
1829 os_free(cred->private_key);
1830 os_free(cred->private_key_passwd);
1831 os_free(cred->imsi);
1832 os_free(cred->milenage);
1833 os_free(cred->domain);
1834 os_free(cred->eap_method);
1835 os_free(cred->phase1);
1836 os_free(cred->phase2);
1837 os_free(cred->excluded_ssid);
1843 * wpa_config_free - Free configuration data
1844 * @config: Configuration data from wpa_config_read()
1846 * This function frees all resources allocated for the configuration data by
1847 * wpa_config_read().
1849 void wpa_config_free(struct wpa_config *config)
1851 #ifndef CONFIG_NO_CONFIG_BLOBS
1852 struct wpa_config_blob *blob, *prevblob;
1853 #endif /* CONFIG_NO_CONFIG_BLOBS */
1854 struct wpa_ssid *ssid, *prev = NULL;
1855 struct wpa_cred *cred, *cprev;
1857 ssid = config->ssid;
1861 wpa_config_free_ssid(prev);
1864 cred = config->cred;
1868 wpa_config_free_cred(cprev);
1871 #ifndef CONFIG_NO_CONFIG_BLOBS
1872 blob = config->blobs;
1877 wpa_config_free_blob(prevblob);
1879 #endif /* CONFIG_NO_CONFIG_BLOBS */
1881 wpabuf_free(config->wps_vendor_ext_m1);
1882 os_free(config->ctrl_interface);
1883 os_free(config->ctrl_interface_group);
1884 os_free(config->opensc_engine_path);
1885 os_free(config->pkcs11_engine_path);
1886 os_free(config->pkcs11_module_path);
1887 os_free(config->pcsc_reader);
1888 os_free(config->pcsc_pin);
1889 os_free(config->driver_param);
1890 os_free(config->device_name);
1891 os_free(config->manufacturer);
1892 os_free(config->model_name);
1893 os_free(config->model_number);
1894 os_free(config->serial_number);
1895 os_free(config->config_methods);
1896 os_free(config->p2p_ssid_postfix);
1897 os_free(config->pssid);
1898 os_free(config->p2p_pref_chan);
1899 os_free(config->autoscan);
1900 os_free(config->freq_list);
1901 wpabuf_free(config->wps_nfc_dh_pubkey);
1902 wpabuf_free(config->wps_nfc_dh_privkey);
1903 wpabuf_free(config->wps_nfc_dev_pw);
1904 os_free(config->ext_password_backend);
1905 os_free(config->sae_groups);
1906 wpabuf_free(config->ap_vendor_elements);
1912 * wpa_config_foreach_network - Iterate over each configured network
1913 * @config: Configuration data from wpa_config_read()
1914 * @func: Callback function to process each network
1915 * @arg: Opaque argument to pass to callback function
1917 * Iterate over the set of configured networks calling the specified
1918 * function for each item. We guard against callbacks removing the
1921 void wpa_config_foreach_network(struct wpa_config *config,
1922 void (*func)(void *, struct wpa_ssid *),
1925 struct wpa_ssid *ssid, *next;
1927 ssid = config->ssid;
1937 * wpa_config_get_network - Get configured network based on id
1938 * @config: Configuration data from wpa_config_read()
1939 * @id: Unique network id to search for
1940 * Returns: Network configuration or %NULL if not found
1942 struct wpa_ssid * wpa_config_get_network(struct wpa_config *config, int id)
1944 struct wpa_ssid *ssid;
1946 ssid = config->ssid;
1958 * wpa_config_add_network - Add a new network with empty configuration
1959 * @config: Configuration data from wpa_config_read()
1960 * Returns: The new network configuration or %NULL if operation failed
1962 struct wpa_ssid * wpa_config_add_network(struct wpa_config *config)
1965 struct wpa_ssid *ssid, *last = NULL;
1968 ssid = config->ssid;
1977 ssid = os_zalloc(sizeof(*ssid));
1981 dl_list_init(&ssid->psk_list);
1985 config->ssid = ssid;
1987 wpa_config_update_prio_list(config);
1994 * wpa_config_remove_network - Remove a configured network based on id
1995 * @config: Configuration data from wpa_config_read()
1996 * @id: Unique network id to search for
1997 * Returns: 0 on success, or -1 if the network was not found
1999 int wpa_config_remove_network(struct wpa_config *config, int id)
2001 struct wpa_ssid *ssid, *prev = NULL;
2003 ssid = config->ssid;
2015 prev->next = ssid->next;
2017 config->ssid = ssid->next;
2019 wpa_config_update_prio_list(config);
2020 wpa_config_free_ssid(ssid);
2026 * wpa_config_set_network_defaults - Set network default values
2027 * @ssid: Pointer to network configuration data
2029 void wpa_config_set_network_defaults(struct wpa_ssid *ssid)
2031 ssid->proto = DEFAULT_PROTO;
2032 ssid->pairwise_cipher = DEFAULT_PAIRWISE;
2033 ssid->group_cipher = DEFAULT_GROUP;
2034 ssid->key_mgmt = DEFAULT_KEY_MGMT;
2035 ssid->bg_scan_period = DEFAULT_BG_SCAN_PERIOD;
2036 #ifdef IEEE8021X_EAPOL
2037 ssid->eapol_flags = DEFAULT_EAPOL_FLAGS;
2038 ssid->eap_workaround = DEFAULT_EAP_WORKAROUND;
2039 ssid->eap.fragment_size = DEFAULT_FRAGMENT_SIZE;
2040 #endif /* IEEE8021X_EAPOL */
2041 #ifdef CONFIG_HT_OVERRIDES
2042 ssid->disable_ht = DEFAULT_DISABLE_HT;
2043 ssid->disable_ht40 = DEFAULT_DISABLE_HT40;
2044 ssid->disable_sgi = DEFAULT_DISABLE_SGI;
2045 ssid->disable_max_amsdu = DEFAULT_DISABLE_MAX_AMSDU;
2046 ssid->ampdu_factor = DEFAULT_AMPDU_FACTOR;
2047 ssid->ampdu_density = DEFAULT_AMPDU_DENSITY;
2048 #endif /* CONFIG_HT_OVERRIDES */
2049 #ifdef CONFIG_VHT_OVERRIDES
2050 ssid->vht_rx_mcs_nss_1 = -1;
2051 ssid->vht_rx_mcs_nss_2 = -1;
2052 ssid->vht_rx_mcs_nss_3 = -1;
2053 ssid->vht_rx_mcs_nss_4 = -1;
2054 ssid->vht_rx_mcs_nss_5 = -1;
2055 ssid->vht_rx_mcs_nss_6 = -1;
2056 ssid->vht_rx_mcs_nss_7 = -1;
2057 ssid->vht_rx_mcs_nss_8 = -1;
2058 ssid->vht_tx_mcs_nss_1 = -1;
2059 ssid->vht_tx_mcs_nss_2 = -1;
2060 ssid->vht_tx_mcs_nss_3 = -1;
2061 ssid->vht_tx_mcs_nss_4 = -1;
2062 ssid->vht_tx_mcs_nss_5 = -1;
2063 ssid->vht_tx_mcs_nss_6 = -1;
2064 ssid->vht_tx_mcs_nss_7 = -1;
2065 ssid->vht_tx_mcs_nss_8 = -1;
2066 #endif /* CONFIG_VHT_OVERRIDES */
2067 ssid->proactive_key_caching = -1;
2068 #ifdef CONFIG_IEEE80211W
2069 ssid->ieee80211w = MGMT_FRAME_PROTECTION_DEFAULT;
2070 #endif /* CONFIG_IEEE80211W */
2075 * wpa_config_set - Set a variable in network configuration
2076 * @ssid: Pointer to network configuration data
2077 * @var: Variable name, e.g., "ssid"
2078 * @value: Variable value
2079 * @line: Line number in configuration file or 0 if not used
2080 * Returns: 0 on success, -1 on failure
2082 * This function can be used to set network configuration variables based on
2083 * both the configuration file and management interface input. The value
2084 * parameter must be in the same format as the text-based configuration file is
2085 * using. For example, strings are using double quotation marks.
2087 int wpa_config_set(struct wpa_ssid *ssid, const char *var, const char *value,
2093 if (ssid == NULL || var == NULL || value == NULL)
2096 for (i = 0; i < NUM_SSID_FIELDS; i++) {
2097 const struct parse_data *field = &ssid_fields[i];
2098 if (os_strcmp(var, field->name) != 0)
2101 if (field->parser(field, ssid, line, value)) {
2103 wpa_printf(MSG_ERROR, "Line %d: failed to "
2104 "parse %s '%s'.", line, var, value);
2110 if (i == NUM_SSID_FIELDS) {
2112 wpa_printf(MSG_ERROR, "Line %d: unknown network field "
2113 "'%s'.", line, var);
2122 int wpa_config_set_quoted(struct wpa_ssid *ssid, const char *var,
2129 len = os_strlen(value);
2130 buf = os_malloc(len + 3);
2134 os_memcpy(buf + 1, value, len);
2136 buf[len + 2] = '\0';
2137 ret = wpa_config_set(ssid, var, buf, 0);
2144 * wpa_config_get_all - Get all options from network configuration
2145 * @ssid: Pointer to network configuration data
2146 * @get_keys: Determines if keys/passwords will be included in returned list
2147 * (if they may be exported)
2148 * Returns: %NULL terminated list of all set keys and their values in the form
2149 * of [key1, val1, key2, val2, ... , NULL]
2151 * This function can be used to get list of all configured network properties.
2152 * The caller is responsible for freeing the returned list and all its
2155 char ** wpa_config_get_all(struct wpa_ssid *ssid, int get_keys)
2157 const struct parse_data *field;
2163 get_keys = get_keys && ssid->export_keys;
2165 props = os_calloc(2 * NUM_SSID_FIELDS + 1, sizeof(char *));
2170 for (i = 0; i < NUM_SSID_FIELDS; i++) {
2171 field = &ssid_fields[i];
2172 if (field->key_data && !get_keys)
2174 value = field->writer(field, ssid);
2177 if (os_strlen(value) == 0) {
2182 key = os_strdup(field->name);
2188 props[fields_num * 2] = key;
2189 props[fields_num * 2 + 1] = value;
2205 #ifndef NO_CONFIG_WRITE
2207 * wpa_config_get - Get a variable in network configuration
2208 * @ssid: Pointer to network configuration data
2209 * @var: Variable name, e.g., "ssid"
2210 * Returns: Value of the variable or %NULL on failure
2212 * This function can be used to get network configuration variables. 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(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 return field->writer(field, ssid);
2236 * wpa_config_get_no_key - Get a variable in network configuration (no keys)
2237 * @ssid: Pointer to network configuration data
2238 * @var: Variable name, e.g., "ssid"
2239 * Returns: Value of the variable or %NULL on failure
2241 * This function can be used to get network configuration variable like
2242 * wpa_config_get(). The only difference is that this functions does not expose
2243 * key/password material from the configuration. In case a key/password field
2244 * is requested, the returned value is an empty string or %NULL if the variable
2245 * is not set or "*" if the variable is set (regardless of its value). The
2246 * returned value is a copy of the configuration variable in text format, i.e,.
2247 * the same format that the text-based configuration file and wpa_config_set()
2248 * are using for the value. The caller is responsible for freeing the returned
2251 char * wpa_config_get_no_key(struct wpa_ssid *ssid, const char *var)
2255 if (ssid == NULL || var == NULL)
2258 for (i = 0; i < NUM_SSID_FIELDS; i++) {
2259 const struct parse_data *field = &ssid_fields[i];
2260 if (os_strcmp(var, field->name) == 0) {
2261 char *res = field->writer(field, ssid);
2262 if (field->key_data) {
2263 if (res && res[0]) {
2264 wpa_printf(MSG_DEBUG, "Do not allow "
2265 "key_data field to be "
2268 return os_strdup("*");
2280 #endif /* NO_CONFIG_WRITE */
2284 * wpa_config_update_psk - Update WPA PSK based on passphrase and SSID
2285 * @ssid: Pointer to network configuration data
2287 * This function must be called to update WPA PSK when either SSID or the
2288 * passphrase has changed for the network configuration.
2290 void wpa_config_update_psk(struct wpa_ssid *ssid)
2292 #ifndef CONFIG_NO_PBKDF2
2293 pbkdf2_sha1(ssid->passphrase, ssid->ssid, ssid->ssid_len, 4096,
2294 ssid->psk, PMK_LEN);
2295 wpa_hexdump_key(MSG_MSGDUMP, "PSK (from passphrase)",
2296 ssid->psk, PMK_LEN);
2298 #endif /* CONFIG_NO_PBKDF2 */
2302 int wpa_config_set_cred(struct wpa_cred *cred, const char *var,
2303 const char *value, int line)
2308 if (os_strcmp(var, "priority") == 0) {
2309 cred->priority = atoi(value);
2313 if (os_strcmp(var, "pcsc") == 0) {
2314 cred->pcsc = atoi(value);
2318 if (os_strcmp(var, "eap") == 0) {
2319 struct eap_method_type method;
2320 method.method = eap_peer_get_type(value, &method.vendor);
2321 if (method.vendor == EAP_VENDOR_IETF &&
2322 method.method == EAP_TYPE_NONE) {
2323 wpa_printf(MSG_ERROR, "Line %d: unknown EAP type '%s' "
2324 "for a credential", line, value);
2327 os_free(cred->eap_method);
2328 cred->eap_method = os_malloc(sizeof(*cred->eap_method));
2329 if (cred->eap_method == NULL)
2331 os_memcpy(cred->eap_method, &method, sizeof(method));
2335 if (os_strcmp(var, "password") == 0 &&
2336 os_strncmp(value, "ext:", 4) == 0) {
2337 os_free(cred->password);
2338 cred->password = os_strdup(value);
2339 cred->ext_password = 1;
2343 val = wpa_config_parse_string(value, &len);
2345 wpa_printf(MSG_ERROR, "Line %d: invalid field '%s' string "
2346 "value '%s'.", line, var, value);
2350 if (os_strcmp(var, "realm") == 0) {
2351 os_free(cred->realm);
2356 if (os_strcmp(var, "username") == 0) {
2357 os_free(cred->username);
2358 cred->username = val;
2362 if (os_strcmp(var, "password") == 0) {
2363 os_free(cred->password);
2364 cred->password = val;
2365 cred->ext_password = 0;
2369 if (os_strcmp(var, "ca_cert") == 0) {
2370 os_free(cred->ca_cert);
2371 cred->ca_cert = val;
2375 if (os_strcmp(var, "client_cert") == 0) {
2376 os_free(cred->client_cert);
2377 cred->client_cert = val;
2381 if (os_strcmp(var, "private_key") == 0) {
2382 os_free(cred->private_key);
2383 cred->private_key = val;
2387 if (os_strcmp(var, "private_key_passwd") == 0) {
2388 os_free(cred->private_key_passwd);
2389 cred->private_key_passwd = val;
2393 if (os_strcmp(var, "imsi") == 0) {
2394 os_free(cred->imsi);
2399 if (os_strcmp(var, "milenage") == 0) {
2400 os_free(cred->milenage);
2401 cred->milenage = val;
2405 if (os_strcmp(var, "domain") == 0) {
2406 os_free(cred->domain);
2411 if (os_strcmp(var, "phase1") == 0) {
2412 os_free(cred->phase1);
2417 if (os_strcmp(var, "phase2") == 0) {
2418 os_free(cred->phase2);
2423 if (os_strcmp(var, "roaming_consortium") == 0) {
2424 if (len < 3 || len > sizeof(cred->roaming_consortium)) {
2425 wpa_printf(MSG_ERROR, "Line %d: invalid "
2426 "roaming_consortium length %d (3..15 "
2427 "expected)", line, (int) len);
2431 os_memcpy(cred->roaming_consortium, val, len);
2432 cred->roaming_consortium_len = len;
2437 if (os_strcmp(var, "excluded_ssid") == 0) {
2438 struct excluded_ssid *e;
2440 if (len > MAX_SSID_LEN) {
2441 wpa_printf(MSG_ERROR, "Line %d: invalid "
2442 "excluded_ssid length %d", line, (int) len);
2447 e = os_realloc_array(cred->excluded_ssid,
2448 cred->num_excluded_ssid + 1,
2449 sizeof(struct excluded_ssid));
2454 cred->excluded_ssid = e;
2456 e = &cred->excluded_ssid[cred->num_excluded_ssid++];
2457 os_memcpy(e->ssid, val, len);
2466 wpa_printf(MSG_ERROR, "Line %d: unknown cred field '%s'.",
2476 struct wpa_cred * wpa_config_get_cred(struct wpa_config *config, int id)
2478 struct wpa_cred *cred;
2480 cred = config->cred;
2491 struct wpa_cred * wpa_config_add_cred(struct wpa_config *config)
2494 struct wpa_cred *cred, *last = NULL;
2497 cred = config->cred;
2506 cred = os_zalloc(sizeof(*cred));
2513 config->cred = cred;
2519 int wpa_config_remove_cred(struct wpa_config *config, int id)
2521 struct wpa_cred *cred, *prev = NULL;
2523 cred = config->cred;
2535 prev->next = cred->next;
2537 config->cred = cred->next;
2539 wpa_config_free_cred(cred);
2544 #ifndef CONFIG_NO_CONFIG_BLOBS
2546 * wpa_config_get_blob - Get a named configuration blob
2547 * @config: Configuration data from wpa_config_read()
2548 * @name: Name of the blob
2549 * Returns: Pointer to blob data or %NULL if not found
2551 const struct wpa_config_blob * wpa_config_get_blob(struct wpa_config *config,
2554 struct wpa_config_blob *blob = config->blobs;
2557 if (os_strcmp(blob->name, name) == 0)
2566 * wpa_config_set_blob - Set or add a named configuration blob
2567 * @config: Configuration data from wpa_config_read()
2568 * @blob: New value for the blob
2570 * Adds a new configuration blob or replaces the current value of an existing
2573 void wpa_config_set_blob(struct wpa_config *config,
2574 struct wpa_config_blob *blob)
2576 wpa_config_remove_blob(config, blob->name);
2577 blob->next = config->blobs;
2578 config->blobs = blob;
2583 * wpa_config_free_blob - Free blob data
2584 * @blob: Pointer to blob to be freed
2586 void wpa_config_free_blob(struct wpa_config_blob *blob)
2589 os_free(blob->name);
2590 os_free(blob->data);
2597 * wpa_config_remove_blob - Remove a named configuration blob
2598 * @config: Configuration data from wpa_config_read()
2599 * @name: Name of the blob to remove
2600 * Returns: 0 if blob was removed or -1 if blob was not found
2602 int wpa_config_remove_blob(struct wpa_config *config, const char *name)
2604 struct wpa_config_blob *pos = config->blobs, *prev = NULL;
2607 if (os_strcmp(pos->name, name) == 0) {
2609 prev->next = pos->next;
2611 config->blobs = pos->next;
2612 wpa_config_free_blob(pos);
2621 #endif /* CONFIG_NO_CONFIG_BLOBS */
2625 * wpa_config_alloc_empty - Allocate an empty configuration
2626 * @ctrl_interface: Control interface parameters, e.g., path to UNIX domain
2628 * @driver_param: Driver parameters
2629 * Returns: Pointer to allocated configuration data or %NULL on failure
2631 struct wpa_config * wpa_config_alloc_empty(const char *ctrl_interface,
2632 const char *driver_param)
2634 struct wpa_config *config;
2635 const int aCWmin = 4, aCWmax = 10;
2636 const struct hostapd_wmm_ac_params ac_bk =
2637 { aCWmin, aCWmax, 7, 0, 0 }; /* background traffic */
2638 const struct hostapd_wmm_ac_params ac_be =
2639 { aCWmin, aCWmax, 3, 0, 0 }; /* best effort traffic */
2640 const struct hostapd_wmm_ac_params ac_vi = /* video traffic */
2641 { aCWmin - 1, aCWmin, 2, 3000 / 32, 0 };
2642 const struct hostapd_wmm_ac_params ac_vo = /* voice traffic */
2643 { aCWmin - 2, aCWmin - 1, 2, 1500 / 32, 0 };
2645 config = os_zalloc(sizeof(*config));
2648 config->eapol_version = DEFAULT_EAPOL_VERSION;
2649 config->ap_scan = DEFAULT_AP_SCAN;
2650 config->fast_reauth = DEFAULT_FAST_REAUTH;
2651 config->p2p_go_intent = DEFAULT_P2P_GO_INTENT;
2652 config->p2p_intra_bss = DEFAULT_P2P_INTRA_BSS;
2653 config->p2p_go_max_inactivity = DEFAULT_P2P_GO_MAX_INACTIVITY;
2654 config->bss_max_count = DEFAULT_BSS_MAX_COUNT;
2655 config->bss_expiration_age = DEFAULT_BSS_EXPIRATION_AGE;
2656 config->bss_expiration_scan_count = DEFAULT_BSS_EXPIRATION_SCAN_COUNT;
2657 config->max_num_sta = DEFAULT_MAX_NUM_STA;
2658 config->access_network_type = DEFAULT_ACCESS_NETWORK_TYPE;
2659 config->scan_cur_freq = DEFAULT_SCAN_CUR_FREQ;
2660 config->wmm_ac_params[0] = ac_be;
2661 config->wmm_ac_params[1] = ac_bk;
2662 config->wmm_ac_params[2] = ac_vi;
2663 config->wmm_ac_params[3] = ac_vo;
2666 config->ctrl_interface = os_strdup(ctrl_interface);
2668 config->driver_param = os_strdup(driver_param);
2674 #ifndef CONFIG_NO_STDOUT_DEBUG
2676 * wpa_config_debug_dump_networks - Debug dump of configured networks
2677 * @config: Configuration data from wpa_config_read()
2679 void wpa_config_debug_dump_networks(struct wpa_config *config)
2682 struct wpa_ssid *ssid;
2684 for (prio = 0; prio < config->num_prio; prio++) {
2685 ssid = config->pssid[prio];
2686 wpa_printf(MSG_DEBUG, "Priority group %d",
2689 wpa_printf(MSG_DEBUG, " id=%d ssid='%s'",
2691 wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
2696 #endif /* CONFIG_NO_STDOUT_DEBUG */
2699 struct global_parse_data {
2701 int (*parser)(const struct global_parse_data *data,
2702 struct wpa_config *config, int line, const char *value);
2703 void *param1, *param2, *param3;
2704 unsigned int changed_flag;
2708 static int wpa_global_config_parse_int(const struct global_parse_data *data,
2709 struct wpa_config *config, int line,
2715 dst = (int *) (((u8 *) config) + (long) data->param1);
2716 val = strtol(pos, &end, 0);
2718 wpa_printf(MSG_ERROR, "Line %d: invalid number \"%s\"",
2724 wpa_printf(MSG_DEBUG, "%s=%d", data->name, *dst);
2726 if (data->param2 && *dst < (long) data->param2) {
2727 wpa_printf(MSG_ERROR, "Line %d: too small %s (value=%d "
2728 "min_value=%ld)", line, data->name, *dst,
2729 (long) data->param2);
2730 *dst = (long) data->param2;
2734 if (data->param3 && *dst > (long) data->param3) {
2735 wpa_printf(MSG_ERROR, "Line %d: too large %s (value=%d "
2736 "max_value=%ld)", line, data->name, *dst,
2737 (long) data->param3);
2738 *dst = (long) data->param3;
2746 static int wpa_global_config_parse_str(const struct global_parse_data *data,
2747 struct wpa_config *config, int line,
2753 len = os_strlen(pos);
2754 if (data->param2 && len < (size_t) data->param2) {
2755 wpa_printf(MSG_ERROR, "Line %d: too short %s (len=%lu "
2756 "min_len=%ld)", line, data->name,
2757 (unsigned long) len, (long) data->param2);
2761 if (data->param3 && len > (size_t) data->param3) {
2762 wpa_printf(MSG_ERROR, "Line %d: too long %s (len=%lu "
2763 "max_len=%ld)", line, data->name,
2764 (unsigned long) len, (long) data->param3);
2768 tmp = os_strdup(pos);
2772 dst = (char **) (((u8 *) config) + (long) data->param1);
2775 wpa_printf(MSG_DEBUG, "%s='%s'", data->name, *dst);
2781 static int wpa_global_config_parse_bin(const struct global_parse_data *data,
2782 struct wpa_config *config, int line,
2786 struct wpabuf **dst, *tmp;
2788 len = os_strlen(pos);
2792 tmp = wpabuf_alloc(len / 2);
2796 if (hexstr2bin(pos, wpabuf_put(tmp, len / 2), len / 2)) {
2801 dst = (struct wpabuf **) (((u8 *) config) + (long) data->param1);
2804 wpa_printf(MSG_DEBUG, "%s", data->name);
2810 static int wpa_config_process_freq_list(const struct global_parse_data *data,
2811 struct wpa_config *config, int line,
2816 freqs = wpa_config_parse_int_array(value);
2819 if (freqs[0] == 0) {
2823 os_free(config->freq_list);
2824 config->freq_list = freqs;
2829 static int wpa_config_process_country(const struct global_parse_data *data,
2830 struct wpa_config *config, int line,
2833 if (!pos[0] || !pos[1]) {
2834 wpa_printf(MSG_DEBUG, "Invalid country set");
2837 config->country[0] = pos[0];
2838 config->country[1] = pos[1];
2839 wpa_printf(MSG_DEBUG, "country='%c%c'",
2840 config->country[0], config->country[1]);
2845 static int wpa_config_process_load_dynamic_eap(
2846 const struct global_parse_data *data, struct wpa_config *config,
2847 int line, const char *so)
2850 wpa_printf(MSG_DEBUG, "load_dynamic_eap=%s", so);
2851 ret = eap_peer_method_load(so);
2853 wpa_printf(MSG_DEBUG, "This EAP type was already loaded - not "
2856 wpa_printf(MSG_ERROR, "Line %d: Failed to load dynamic EAP "
2857 "method '%s'.", line, so);
2867 static int wpa_config_process_uuid(const struct global_parse_data *data,
2868 struct wpa_config *config, int line,
2872 if (uuid_str2bin(pos, config->uuid)) {
2873 wpa_printf(MSG_ERROR, "Line %d: invalid UUID", line);
2876 uuid_bin2str(config->uuid, buf, sizeof(buf));
2877 wpa_printf(MSG_DEBUG, "uuid=%s", buf);
2882 static int wpa_config_process_device_type(
2883 const struct global_parse_data *data,
2884 struct wpa_config *config, int line, const char *pos)
2886 return wps_dev_type_str2bin(pos, config->device_type);
2890 static int wpa_config_process_os_version(const struct global_parse_data *data,
2891 struct wpa_config *config, int line,
2894 if (hexstr2bin(pos, config->os_version, 4)) {
2895 wpa_printf(MSG_ERROR, "Line %d: invalid os_version", line);
2898 wpa_printf(MSG_DEBUG, "os_version=%08x",
2899 WPA_GET_BE32(config->os_version));
2904 static int wpa_config_process_wps_vendor_ext_m1(
2905 const struct global_parse_data *data,
2906 struct wpa_config *config, int line, const char *pos)
2909 int len = os_strlen(pos) / 2;
2913 wpa_printf(MSG_ERROR, "Line %d: "
2914 "invalid wps_vendor_ext_m1", line);
2918 tmp = wpabuf_alloc(len);
2920 p = wpabuf_put(tmp, len);
2922 if (hexstr2bin(pos, p, len)) {
2923 wpa_printf(MSG_ERROR, "Line %d: "
2924 "invalid wps_vendor_ext_m1", line);
2929 wpabuf_free(config->wps_vendor_ext_m1);
2930 config->wps_vendor_ext_m1 = tmp;
2932 wpa_printf(MSG_ERROR, "Can not allocate "
2933 "memory for wps_vendor_ext_m1");
2940 #endif /* CONFIG_WPS */
2943 static int wpa_config_process_sec_device_type(
2944 const struct global_parse_data *data,
2945 struct wpa_config *config, int line, const char *pos)
2949 if (config->num_sec_device_types >= MAX_SEC_DEVICE_TYPES) {
2950 wpa_printf(MSG_ERROR, "Line %d: too many sec_device_type "
2955 idx = config->num_sec_device_types;
2957 if (wps_dev_type_str2bin(pos, config->sec_device_type[idx]))
2960 config->num_sec_device_types++;
2965 static int wpa_config_process_p2p_pref_chan(
2966 const struct global_parse_data *data,
2967 struct wpa_config *config, int line, const char *pos)
2969 struct p2p_channel *pref = NULL, *n;
2970 unsigned int num = 0;
2974 /* format: class:chan,class:chan,... */
2977 op_class = atoi(pos);
2978 pos2 = os_strchr(pos, ':');
2984 n = os_realloc_array(pref, num + 1,
2985 sizeof(struct p2p_channel));
2989 pref[num].op_class = op_class;
2990 pref[num].chan = chan;
2993 pos = os_strchr(pos2, ',');
2999 os_free(config->p2p_pref_chan);
3000 config->p2p_pref_chan = pref;
3001 config->num_p2p_pref_chan = num;
3002 wpa_hexdump(MSG_DEBUG, "P2P: Preferred class/channel pairs",
3003 (u8 *) config->p2p_pref_chan,
3004 config->num_p2p_pref_chan * sizeof(struct p2p_channel));
3010 wpa_printf(MSG_ERROR, "Line %d: Invalid p2p_pref_chan list", line);
3013 #endif /* CONFIG_P2P */
3016 static int wpa_config_process_hessid(
3017 const struct global_parse_data *data,
3018 struct wpa_config *config, int line, const char *pos)
3020 if (hwaddr_aton2(pos, config->hessid) < 0) {
3021 wpa_printf(MSG_ERROR, "Line %d: Invalid hessid '%s'",
3030 static int wpa_config_process_sae_groups(
3031 const struct global_parse_data *data,
3032 struct wpa_config *config, int line, const char *pos)
3034 int *groups = wpa_config_parse_int_array(pos);
3035 if (groups == NULL) {
3036 wpa_printf(MSG_ERROR, "Line %d: Invalid sae_groups '%s'",
3041 os_free(config->sae_groups);
3042 config->sae_groups = groups;
3048 static int wpa_config_process_ap_vendor_elements(
3049 const struct global_parse_data *data,
3050 struct wpa_config *config, int line, const char *pos)
3053 int len = os_strlen(pos) / 2;
3057 wpa_printf(MSG_ERROR, "Line %d: invalid ap_vendor_elements",
3062 tmp = wpabuf_alloc(len);
3064 p = wpabuf_put(tmp, len);
3066 if (hexstr2bin(pos, p, len)) {
3067 wpa_printf(MSG_ERROR, "Line %d: invalid "
3068 "ap_vendor_elements", line);
3073 wpabuf_free(config->ap_vendor_elements);
3074 config->ap_vendor_elements = tmp;
3076 wpa_printf(MSG_ERROR, "Cannot allocate memory for "
3077 "ap_vendor_elements");
3085 #ifdef CONFIG_CTRL_IFACE
3086 static int wpa_config_process_no_ctrl_interface(
3087 const struct global_parse_data *data,
3088 struct wpa_config *config, int line, const char *pos)
3090 wpa_printf(MSG_DEBUG, "no_ctrl_interface -> ctrl_interface=NULL");
3091 os_free(config->ctrl_interface);
3092 config->ctrl_interface = NULL;
3095 #endif /* CONFIG_CTRL_IFACE */
3101 /* OFFSET: Get offset of a variable within the wpa_config structure */
3102 #define OFFSET(v) ((void *) &((struct wpa_config *) 0)->v)
3104 #define FUNC(f) #f, wpa_config_process_ ## f, OFFSET(f), NULL, NULL
3105 #define FUNC_NO_VAR(f) #f, wpa_config_process_ ## f, NULL, NULL, NULL
3106 #define _INT(f) #f, wpa_global_config_parse_int, OFFSET(f)
3107 #define INT(f) _INT(f), NULL, NULL
3108 #define INT_RANGE(f, min, max) _INT(f), (void *) min, (void *) max
3109 #define _STR(f) #f, wpa_global_config_parse_str, OFFSET(f)
3110 #define STR(f) _STR(f), NULL, NULL
3111 #define STR_RANGE(f, min, max) _STR(f), (void *) min, (void *) max
3112 #define BIN(f) #f, wpa_global_config_parse_bin, OFFSET(f), NULL, NULL
3114 static const struct global_parse_data global_fields[] = {
3115 #ifdef CONFIG_CTRL_IFACE
3116 { STR(ctrl_interface), 0 },
3117 { FUNC_NO_VAR(no_ctrl_interface), 0 },
3118 { STR(ctrl_interface_group), 0 } /* deprecated */,
3119 #endif /* CONFIG_CTRL_IFACE */
3120 { INT_RANGE(eapol_version, 1, 2), 0 },
3121 { INT(ap_scan), 0 },
3122 { INT(disable_scan_offload), 0 },
3123 { INT(fast_reauth), 0 },
3124 { STR(opensc_engine_path), 0 },
3125 { STR(pkcs11_engine_path), 0 },
3126 { STR(pkcs11_module_path), 0 },
3127 { STR(pcsc_reader), 0 },
3128 { STR(pcsc_pin), 0 },
3129 { STR(driver_param), 0 },
3130 { INT(dot11RSNAConfigPMKLifetime), 0 },
3131 { INT(dot11RSNAConfigPMKReauthThreshold), 0 },
3132 { INT(dot11RSNAConfigSATimeout), 0 },
3133 #ifndef CONFIG_NO_CONFIG_WRITE
3134 { INT(update_config), 0 },
3135 #endif /* CONFIG_NO_CONFIG_WRITE */
3136 { FUNC_NO_VAR(load_dynamic_eap), 0 },
3138 { FUNC(uuid), CFG_CHANGED_UUID },
3139 { STR_RANGE(device_name, 0, 32), CFG_CHANGED_DEVICE_NAME },
3140 { STR_RANGE(manufacturer, 0, 64), CFG_CHANGED_WPS_STRING },
3141 { STR_RANGE(model_name, 0, 32), CFG_CHANGED_WPS_STRING },
3142 { STR_RANGE(model_number, 0, 32), CFG_CHANGED_WPS_STRING },
3143 { STR_RANGE(serial_number, 0, 32), CFG_CHANGED_WPS_STRING },
3144 { FUNC(device_type), CFG_CHANGED_DEVICE_TYPE },
3145 { FUNC(os_version), CFG_CHANGED_OS_VERSION },
3146 { STR(config_methods), CFG_CHANGED_CONFIG_METHODS },
3147 { INT_RANGE(wps_cred_processing, 0, 2), 0 },
3148 { FUNC(wps_vendor_ext_m1), CFG_CHANGED_VENDOR_EXTENSION },
3149 #endif /* CONFIG_WPS */
3151 { FUNC(sec_device_type), CFG_CHANGED_SEC_DEVICE_TYPE },
3152 { INT(p2p_listen_reg_class), 0 },
3153 { INT(p2p_listen_channel), 0 },
3154 { INT(p2p_oper_reg_class), CFG_CHANGED_P2P_OPER_CHANNEL },
3155 { INT(p2p_oper_channel), CFG_CHANGED_P2P_OPER_CHANNEL },
3156 { INT_RANGE(p2p_go_intent, 0, 15), 0 },
3157 { STR(p2p_ssid_postfix), CFG_CHANGED_P2P_SSID_POSTFIX },
3158 { INT_RANGE(persistent_reconnect, 0, 1), 0 },
3159 { INT_RANGE(p2p_intra_bss, 0, 1), CFG_CHANGED_P2P_INTRA_BSS },
3160 { INT(p2p_group_idle), 0 },
3161 { FUNC(p2p_pref_chan), CFG_CHANGED_P2P_PREF_CHAN },
3162 { INT(p2p_go_ht40), 0 },
3163 { INT(p2p_disabled), 0 },
3164 { INT(p2p_no_group_iface), 0 },
3165 { INT_RANGE(p2p_ignore_shared_freq, 0, 1), 0 },
3166 #endif /* CONFIG_P2P */
3167 { FUNC(country), CFG_CHANGED_COUNTRY },
3168 { INT(bss_max_count), 0 },
3169 { INT(bss_expiration_age), 0 },
3170 { INT(bss_expiration_scan_count), 0 },
3171 { INT_RANGE(filter_ssids, 0, 1), 0 },
3172 { INT_RANGE(filter_rssi, -100, 0), 0 },
3173 { INT(max_num_sta), 0 },
3174 { INT_RANGE(disassoc_low_ack, 0, 1), 0 },
3176 { INT_RANGE(hs20, 0, 1), 0 },
3177 #endif /* CONFIG_HS20 */
3178 { INT_RANGE(interworking, 0, 1), 0 },
3179 { FUNC(hessid), 0 },
3180 { INT_RANGE(access_network_type, 0, 15), 0 },
3181 { INT_RANGE(pbc_in_m1, 0, 1), 0 },
3182 { STR(autoscan), 0 },
3183 { INT_RANGE(wps_nfc_dev_pw_id, 0x10, 0xffff),
3184 CFG_CHANGED_NFC_PASSWORD_TOKEN },
3185 { BIN(wps_nfc_dh_pubkey), CFG_CHANGED_NFC_PASSWORD_TOKEN },
3186 { BIN(wps_nfc_dh_privkey), CFG_CHANGED_NFC_PASSWORD_TOKEN },
3187 { BIN(wps_nfc_dev_pw), CFG_CHANGED_NFC_PASSWORD_TOKEN },
3188 { STR(ext_password_backend), CFG_CHANGED_EXT_PW_BACKEND },
3189 { INT(p2p_go_max_inactivity), 0 },
3190 { INT_RANGE(auto_interworking, 0, 1), 0 },
3193 { FUNC(sae_groups), 0 },
3194 { INT(dtim_period), 0 },
3195 { INT(beacon_int), 0 },
3196 { FUNC(ap_vendor_elements), 0 },
3197 { INT_RANGE(ignore_old_scan_res, 0, 1), 0 },
3198 { FUNC(freq_list), 0 },
3199 { INT(scan_cur_freq), 0 },
3200 { INT(sched_scan_interval), 0 },
3211 #define NUM_GLOBAL_FIELDS (sizeof(global_fields) / sizeof(global_fields[0]))
3214 int wpa_config_process_global(struct wpa_config *config, char *pos, int line)
3219 for (i = 0; i < NUM_GLOBAL_FIELDS; i++) {
3220 const struct global_parse_data *field = &global_fields[i];
3221 size_t flen = os_strlen(field->name);
3222 if (os_strncmp(pos, field->name, flen) != 0 ||
3226 if (field->parser(field, config, line, pos + flen + 1)) {
3227 wpa_printf(MSG_ERROR, "Line %d: failed to "
3228 "parse '%s'.", line, pos);
3231 if (field->changed_flag == CFG_CHANGED_NFC_PASSWORD_TOKEN)
3232 config->wps_nfc_pw_from_config = 1;
3233 config->changed_parameters |= field->changed_flag;
3236 if (i == NUM_GLOBAL_FIELDS) {
3238 if (os_strncmp(pos, "wmm_ac_", 7) == 0) {
3239 char *tmp = os_strchr(pos, '=');
3243 wpa_printf(MSG_ERROR, "Line %d: invalid line "
3248 if (hostapd_config_wmm_ac(config->wmm_ac_params, pos,
3250 wpa_printf(MSG_ERROR, "Line %d: invalid WMM "
3255 #endif /* CONFIG_AP */
3258 wpa_printf(MSG_ERROR, "Line %d: unknown global field '%s'.",