2 * WPA Supplicant / Configuration backend: text file
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.
8 * This file implements a configuration backend for text files. All the
9 * configuration information is stored in a text file that uses a format
10 * described in the sample configuration file, wpa_supplicant.conf.
20 #include "eap_peer/eap_methods.h"
21 #include "eap_peer/eap.h"
24 static int newline_terminated(const char *buf, size_t buflen)
26 size_t len = os_strlen(buf);
29 if (len == buflen - 1 && buf[buflen - 1] != '\r' &&
36 static void skip_line_end(FILE *stream)
39 while (fgets(buf, sizeof(buf), stream)) {
40 buf[sizeof(buf) - 1] = '\0';
41 if (newline_terminated(buf, sizeof(buf)))
48 * wpa_config_get_line - Read the next configuration file line
49 * @s: Buffer for the line
50 * @size: The buffer length
51 * @stream: File stream to read from
52 * @line: Pointer to a variable storing the file line number
53 * @_pos: Buffer for the pointer to the beginning of data on the text line or
54 * %NULL if not needed (returned value used instead)
55 * Returns: Pointer to the beginning of data on the text line or %NULL if no
56 * more text lines are available.
58 * This function reads the next non-empty line from the configuration file and
59 * removes comments. The returned string is guaranteed to be null-terminated.
61 static char * wpa_config_get_line(char *s, int size, FILE *stream, int *line,
64 char *pos, *end, *sstart;
66 while (fgets(s, size, stream)) {
69 if (!newline_terminated(s, size)) {
71 * The line was truncated - skip rest of it to avoid
72 * confusing error messages.
74 wpa_printf(MSG_INFO, "Long line in configuration file "
76 skip_line_end(stream);
80 /* Skip white space from the beginning of line. */
81 while (*pos == ' ' || *pos == '\t' || *pos == '\r')
84 /* Skip comment lines and empty lines */
85 if (*pos == '#' || *pos == '\n' || *pos == '\0')
89 * Remove # comments unless they are within a double quoted
92 sstart = os_strchr(pos, '"');
94 sstart = os_strrchr(sstart + 1, '"');
97 end = os_strchr(sstart, '#');
101 end = pos + os_strlen(pos) - 1;
103 /* Remove trailing white space. */
105 (*end == '\n' || *end == ' ' || *end == '\t' ||
123 static int wpa_config_validate_network(struct wpa_ssid *ssid, int line)
127 if (ssid->passphrase) {
129 wpa_printf(MSG_ERROR, "Line %d: both PSK and "
130 "passphrase configured.", line);
133 wpa_config_update_psk(ssid);
136 if ((ssid->group_cipher & WPA_CIPHER_CCMP) &&
137 !(ssid->pairwise_cipher & WPA_CIPHER_CCMP) &&
138 !(ssid->pairwise_cipher & WPA_CIPHER_NONE)) {
139 /* Group cipher cannot be stronger than the pairwise cipher. */
140 wpa_printf(MSG_DEBUG, "Line %d: removed CCMP from group cipher"
141 " list since it was not allowed for pairwise "
143 ssid->group_cipher &= ~WPA_CIPHER_CCMP;
150 static struct wpa_ssid * wpa_config_read_network(FILE *f, int *line, int id)
152 struct wpa_ssid *ssid;
153 int errors = 0, end = 0;
154 char buf[2000], *pos, *pos2;
156 wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new network block",
158 ssid = os_zalloc(sizeof(*ssid));
163 wpa_config_set_network_defaults(ssid);
165 while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) {
166 if (os_strcmp(pos, "}") == 0) {
171 pos2 = os_strchr(pos, '=');
173 wpa_printf(MSG_ERROR, "Line %d: Invalid SSID line "
174 "'%s'.", *line, pos);
181 if (os_strchr(pos2 + 1, '"') == NULL) {
182 wpa_printf(MSG_ERROR, "Line %d: invalid "
183 "quotation '%s'.", *line, pos2);
189 if (wpa_config_set(ssid, pos, pos2, *line) < 0)
194 wpa_printf(MSG_ERROR, "Line %d: network block was not "
195 "terminated properly.", *line);
199 errors += wpa_config_validate_network(ssid, *line);
202 wpa_config_free_ssid(ssid);
210 static struct wpa_cred * wpa_config_read_cred(FILE *f, int *line, int id)
212 struct wpa_cred *cred;
213 int errors = 0, end = 0;
214 char buf[256], *pos, *pos2;
216 wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new cred block", *line);
217 cred = os_zalloc(sizeof(*cred));
222 while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) {
223 if (os_strcmp(pos, "}") == 0) {
228 pos2 = os_strchr(pos, '=');
230 wpa_printf(MSG_ERROR, "Line %d: Invalid cred line "
231 "'%s'.", *line, pos);
238 if (os_strchr(pos2 + 1, '"') == NULL) {
239 wpa_printf(MSG_ERROR, "Line %d: invalid "
240 "quotation '%s'.", *line, pos2);
246 if (wpa_config_set_cred(cred, pos, pos2, *line) < 0)
251 wpa_printf(MSG_ERROR, "Line %d: cred block was not "
252 "terminated properly.", *line);
257 wpa_config_free_cred(cred);
265 #ifndef CONFIG_NO_CONFIG_BLOBS
266 static struct wpa_config_blob * wpa_config_read_blob(FILE *f, int *line,
269 struct wpa_config_blob *blob;
271 unsigned char *encoded = NULL, *nencoded;
273 size_t encoded_len = 0, len;
275 wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new named blob '%s'",
278 while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) {
279 if (os_strcmp(pos, "}") == 0) {
284 len = os_strlen(pos);
285 nencoded = os_realloc(encoded, encoded_len + len);
286 if (nencoded == NULL) {
287 wpa_printf(MSG_ERROR, "Line %d: not enough memory for "
293 os_memcpy(encoded + encoded_len, pos, len);
298 wpa_printf(MSG_ERROR, "Line %d: blob was not terminated "
304 blob = os_zalloc(sizeof(*blob));
309 blob->name = os_strdup(name);
310 blob->data = base64_decode(encoded, encoded_len, &blob->len);
313 if (blob->name == NULL || blob->data == NULL) {
314 wpa_config_free_blob(blob);
322 static int wpa_config_process_blob(struct wpa_config *config, FILE *f,
323 int *line, char *bname)
326 struct wpa_config_blob *blob;
328 name_end = os_strchr(bname, '=');
329 if (name_end == NULL) {
330 wpa_printf(MSG_ERROR, "Line %d: no blob name terminator",
336 blob = wpa_config_read_blob(f, line, bname);
338 wpa_printf(MSG_ERROR, "Line %d: failed to read blob %s",
342 wpa_config_set_blob(config, blob);
345 #endif /* CONFIG_NO_CONFIG_BLOBS */
348 struct wpa_config * wpa_config_read(const char *name)
352 int errors = 0, line = 0;
353 struct wpa_ssid *ssid, *tail = NULL, *head = NULL;
354 struct wpa_cred *cred, *cred_tail = NULL, *cred_head = NULL;
355 struct wpa_config *config;
359 config = wpa_config_alloc_empty(NULL, NULL);
360 if (config == NULL) {
361 wpa_printf(MSG_ERROR, "Failed to allocate config file "
366 wpa_printf(MSG_DEBUG, "Reading configuration file '%s'", name);
367 f = fopen(name, "r");
369 wpa_printf(MSG_ERROR, "Failed to open config file '%s', "
370 "error: %s", name, strerror(errno));
375 while (wpa_config_get_line(buf, sizeof(buf), f, &line, &pos)) {
376 if (os_strcmp(pos, "network={") == 0) {
377 ssid = wpa_config_read_network(f, &line, id++);
379 wpa_printf(MSG_ERROR, "Line %d: failed to "
380 "parse network block.", line);
390 if (wpa_config_add_prio_network(config, ssid)) {
391 wpa_printf(MSG_ERROR, "Line %d: failed to add "
392 "network block to priority list.",
397 } else if (os_strcmp(pos, "cred={") == 0) {
398 cred = wpa_config_read_cred(f, &line, cred_id++);
400 wpa_printf(MSG_ERROR, "Line %d: failed to "
401 "parse cred block.", line);
405 if (cred_head == NULL) {
406 cred_head = cred_tail = cred;
408 cred_tail->next = cred;
411 #ifndef CONFIG_NO_CONFIG_BLOBS
412 } else if (os_strncmp(pos, "blob-base64-", 12) == 0) {
413 if (wpa_config_process_blob(config, f, &line, pos + 12)
415 wpa_printf(MSG_ERROR, "Line %d: failed to "
416 "process blob.", line);
420 #endif /* CONFIG_NO_CONFIG_BLOBS */
421 } else if (wpa_config_process_global(config, pos, line) < 0) {
422 wpa_printf(MSG_ERROR, "Line %d: Invalid configuration "
423 "line '%s'.", line, pos);
432 wpa_config_debug_dump_networks(config);
433 config->cred = cred_head;
435 #ifndef WPA_IGNORE_CONFIG_ERRORS
437 wpa_config_free(config);
441 #endif /* WPA_IGNORE_CONFIG_ERRORS */
447 #ifndef CONFIG_NO_CONFIG_WRITE
449 static void write_str(FILE *f, const char *field, struct wpa_ssid *ssid)
451 char *value = wpa_config_get(ssid, field);
454 fprintf(f, "\t%s=%s\n", field, value);
459 static void write_int(FILE *f, const char *field, int value, int def)
463 fprintf(f, "\t%s=%d\n", field, value);
467 static void write_bssid(FILE *f, struct wpa_ssid *ssid)
469 char *value = wpa_config_get(ssid, "bssid");
472 fprintf(f, "\tbssid=%s\n", value);
477 static void write_psk(FILE *f, struct wpa_ssid *ssid)
479 char *value = wpa_config_get(ssid, "psk");
482 fprintf(f, "\tpsk=%s\n", value);
487 static void write_proto(FILE *f, struct wpa_ssid *ssid)
491 if (ssid->proto == DEFAULT_PROTO)
494 value = wpa_config_get(ssid, "proto");
498 fprintf(f, "\tproto=%s\n", value);
503 static void write_key_mgmt(FILE *f, struct wpa_ssid *ssid)
507 if (ssid->key_mgmt == DEFAULT_KEY_MGMT)
510 value = wpa_config_get(ssid, "key_mgmt");
514 fprintf(f, "\tkey_mgmt=%s\n", value);
519 static void write_pairwise(FILE *f, struct wpa_ssid *ssid)
523 if (ssid->pairwise_cipher == DEFAULT_PAIRWISE)
526 value = wpa_config_get(ssid, "pairwise");
530 fprintf(f, "\tpairwise=%s\n", value);
535 static void write_group(FILE *f, struct wpa_ssid *ssid)
539 if (ssid->group_cipher == DEFAULT_GROUP)
542 value = wpa_config_get(ssid, "group");
546 fprintf(f, "\tgroup=%s\n", value);
551 static void write_auth_alg(FILE *f, struct wpa_ssid *ssid)
555 if (ssid->auth_alg == 0)
558 value = wpa_config_get(ssid, "auth_alg");
562 fprintf(f, "\tauth_alg=%s\n", value);
567 #ifdef IEEE8021X_EAPOL
568 static void write_eap(FILE *f, struct wpa_ssid *ssid)
572 value = wpa_config_get(ssid, "eap");
577 fprintf(f, "\teap=%s\n", value);
580 #endif /* IEEE8021X_EAPOL */
583 static void write_wep_key(FILE *f, int idx, struct wpa_ssid *ssid)
585 char field[20], *value;
588 res = os_snprintf(field, sizeof(field), "wep_key%d", idx);
589 if (res < 0 || (size_t) res >= sizeof(field))
591 value = wpa_config_get(ssid, field);
593 fprintf(f, "\t%s=%s\n", field, value);
600 static void write_p2p_client_list(FILE *f, struct wpa_ssid *ssid)
602 char *value = wpa_config_get(ssid, "p2p_client_list");
605 fprintf(f, "\tp2p_client_list=%s\n", value);
608 #endif /* CONFIG_P2P */
611 static void wpa_config_write_network(FILE *f, struct wpa_ssid *ssid)
615 #define STR(t) write_str(f, #t, ssid)
616 #define INT(t) write_int(f, #t, ssid->t, 0)
617 #define INTe(t) write_int(f, #t, ssid->eap.t, 0)
618 #define INT_DEF(t, def) write_int(f, #t, ssid->t, def)
619 #define INT_DEFe(t, def) write_int(f, #t, ssid->eap.t, def)
623 write_bssid(f, ssid);
625 write_proto(f, ssid);
626 write_key_mgmt(f, ssid);
627 INT_DEF(bg_scan_period, DEFAULT_BG_SCAN_PERIOD);
628 write_pairwise(f, ssid);
629 write_group(f, ssid);
630 write_auth_alg(f, ssid);
633 #ifdef IEEE8021X_EAPOL
636 STR(anonymous_identity);
642 STR(private_key_passwd);
645 STR(altsubject_match);
650 STR(private_key2_passwd);
653 STR(altsubject_match2);
669 INT_DEF(eapol_flags, DEFAULT_EAPOL_FLAGS);
670 #endif /* IEEE8021X_EAPOL */
671 for (i = 0; i < 4; i++)
672 write_wep_key(f, i, ssid);
675 #ifdef IEEE8021X_EAPOL
676 INT_DEF(eap_workaround, DEFAULT_EAP_WORKAROUND);
678 INT_DEFe(fragment_size, DEFAULT_FRAGMENT_SIZE);
679 #endif /* IEEE8021X_EAPOL */
681 write_int(f, "proactive_key_caching", ssid->proactive_key_caching, -1);
684 #ifdef CONFIG_IEEE80211W
685 write_int(f, "ieee80211w", ssid->ieee80211w,
686 MGMT_FRAME_PROTECTION_DEFAULT);
687 #endif /* CONFIG_IEEE80211W */
690 write_p2p_client_list(f, ssid);
691 #endif /* CONFIG_P2P */
699 static void wpa_config_write_cred(FILE *f, struct wpa_cred *cred)
702 fprintf(f, "\tpriority=%d\n", cred->priority);
704 fprintf(f, "\tpcsc=%d\n", cred->pcsc);
706 fprintf(f, "\trealm=\"%s\"\n", cred->realm);
708 fprintf(f, "\tusername=\"%s\"\n", cred->username);
709 if (cred->password && cred->ext_password)
710 fprintf(f, "\tpassword=ext:%s\n", cred->password);
711 else if (cred->password)
712 fprintf(f, "\tpassword=\"%s\"\n", cred->password);
714 fprintf(f, "\tca_cert=\"%s\"\n", cred->ca_cert);
715 if (cred->client_cert)
716 fprintf(f, "\tclient_cert=\"%s\"\n", cred->client_cert);
717 if (cred->private_key)
718 fprintf(f, "\tprivate_key=\"%s\"\n", cred->private_key);
719 if (cred->private_key_passwd)
720 fprintf(f, "\tprivate_key_passwd=\"%s\"\n",
721 cred->private_key_passwd);
723 fprintf(f, "\timsi=\"%s\"\n", cred->imsi);
725 fprintf(f, "\tmilenage=\"%s\"\n", cred->milenage);
727 fprintf(f, "\tdomain=\"%s\"\n", cred->domain);
728 if (cred->roaming_consortium_len) {
730 fprintf(f, "\troaming_consortium=");
731 for (i = 0; i < cred->roaming_consortium_len; i++)
732 fprintf(f, "%02x", cred->roaming_consortium[i]);
735 if (cred->eap_method) {
737 name = eap_get_name(cred->eap_method[0].vendor,
738 cred->eap_method[0].method);
739 fprintf(f, "\teap=%s\n", name);
742 fprintf(f, "\tphase1=\"%s\"\n", cred->phase1);
744 fprintf(f, "\tphase2=\"%s\"\n", cred->phase2);
748 #ifndef CONFIG_NO_CONFIG_BLOBS
749 static int wpa_config_write_blob(FILE *f, struct wpa_config_blob *blob)
751 unsigned char *encoded;
753 encoded = base64_encode(blob->data, blob->len, NULL);
757 fprintf(f, "\nblob-base64-%s={\n%s}\n", blob->name, encoded);
761 #endif /* CONFIG_NO_CONFIG_BLOBS */
764 static void write_global_bin(FILE *f, const char *field,
765 const struct wpabuf *val)
773 fprintf(f, "%s=", field);
774 pos = wpabuf_head(val);
775 for (i = 0; i < wpabuf_len(val); i++)
776 fprintf(f, "%02X", *pos++);
781 static void wpa_config_write_global(FILE *f, struct wpa_config *config)
783 #ifdef CONFIG_CTRL_IFACE
784 if (config->ctrl_interface)
785 fprintf(f, "ctrl_interface=%s\n", config->ctrl_interface);
786 if (config->ctrl_interface_group)
787 fprintf(f, "ctrl_interface_group=%s\n",
788 config->ctrl_interface_group);
789 #endif /* CONFIG_CTRL_IFACE */
790 if (config->eapol_version != DEFAULT_EAPOL_VERSION)
791 fprintf(f, "eapol_version=%d\n", config->eapol_version);
792 if (config->ap_scan != DEFAULT_AP_SCAN)
793 fprintf(f, "ap_scan=%d\n", config->ap_scan);
794 if (config->disable_scan_offload)
795 fprintf(f, "disable_scan_offload=%d\n",
796 config->disable_scan_offload);
797 if (config->fast_reauth != DEFAULT_FAST_REAUTH)
798 fprintf(f, "fast_reauth=%d\n", config->fast_reauth);
799 if (config->opensc_engine_path)
800 fprintf(f, "opensc_engine_path=%s\n",
801 config->opensc_engine_path);
802 if (config->pkcs11_engine_path)
803 fprintf(f, "pkcs11_engine_path=%s\n",
804 config->pkcs11_engine_path);
805 if (config->pkcs11_module_path)
806 fprintf(f, "pkcs11_module_path=%s\n",
807 config->pkcs11_module_path);
808 if (config->pcsc_reader)
809 fprintf(f, "pcsc_reader=%s\n", config->pcsc_reader);
810 if (config->pcsc_pin)
811 fprintf(f, "pcsc_pin=%s\n", config->pcsc_pin);
812 if (config->driver_param)
813 fprintf(f, "driver_param=%s\n", config->driver_param);
814 if (config->dot11RSNAConfigPMKLifetime)
815 fprintf(f, "dot11RSNAConfigPMKLifetime=%d\n",
816 config->dot11RSNAConfigPMKLifetime);
817 if (config->dot11RSNAConfigPMKReauthThreshold)
818 fprintf(f, "dot11RSNAConfigPMKReauthThreshold=%d\n",
819 config->dot11RSNAConfigPMKReauthThreshold);
820 if (config->dot11RSNAConfigSATimeout)
821 fprintf(f, "dot11RSNAConfigSATimeout=%d\n",
822 config->dot11RSNAConfigSATimeout);
823 if (config->update_config)
824 fprintf(f, "update_config=%d\n", config->update_config);
826 if (!is_nil_uuid(config->uuid)) {
828 uuid_bin2str(config->uuid, buf, sizeof(buf));
829 fprintf(f, "uuid=%s\n", buf);
831 if (config->device_name)
832 fprintf(f, "device_name=%s\n", config->device_name);
833 if (config->manufacturer)
834 fprintf(f, "manufacturer=%s\n", config->manufacturer);
835 if (config->model_name)
836 fprintf(f, "model_name=%s\n", config->model_name);
837 if (config->model_number)
838 fprintf(f, "model_number=%s\n", config->model_number);
839 if (config->serial_number)
840 fprintf(f, "serial_number=%s\n", config->serial_number);
842 char _buf[WPS_DEV_TYPE_BUFSIZE], *buf;
843 buf = wps_dev_type_bin2str(config->device_type,
845 if (os_strcmp(buf, "0-00000000-0") != 0)
846 fprintf(f, "device_type=%s\n", buf);
848 if (WPA_GET_BE32(config->os_version))
849 fprintf(f, "os_version=%08x\n",
850 WPA_GET_BE32(config->os_version));
851 if (config->config_methods)
852 fprintf(f, "config_methods=%s\n", config->config_methods);
853 if (config->wps_cred_processing)
854 fprintf(f, "wps_cred_processing=%d\n",
855 config->wps_cred_processing);
856 if (config->wps_vendor_ext_m1) {
857 int i, len = wpabuf_len(config->wps_vendor_ext_m1);
858 const u8 *p = wpabuf_head_u8(config->wps_vendor_ext_m1);
860 fprintf(f, "wps_vendor_ext_m1=");
861 for (i = 0; i < len; i++)
862 fprintf(f, "%02x", *p++);
866 #endif /* CONFIG_WPS */
868 if (config->p2p_listen_reg_class)
869 fprintf(f, "p2p_listen_reg_class=%u\n",
870 config->p2p_listen_reg_class);
871 if (config->p2p_listen_channel)
872 fprintf(f, "p2p_listen_channel=%u\n",
873 config->p2p_listen_channel);
874 if (config->p2p_oper_reg_class)
875 fprintf(f, "p2p_oper_reg_class=%u\n",
876 config->p2p_oper_reg_class);
877 if (config->p2p_oper_channel)
878 fprintf(f, "p2p_oper_channel=%u\n", config->p2p_oper_channel);
879 if (config->p2p_go_intent != DEFAULT_P2P_GO_INTENT)
880 fprintf(f, "p2p_go_intent=%u\n", config->p2p_go_intent);
881 if (config->p2p_ssid_postfix)
882 fprintf(f, "p2p_ssid_postfix=%s\n", config->p2p_ssid_postfix);
883 if (config->persistent_reconnect)
884 fprintf(f, "persistent_reconnect=%u\n",
885 config->persistent_reconnect);
886 if (config->p2p_intra_bss != DEFAULT_P2P_INTRA_BSS)
887 fprintf(f, "p2p_intra_bss=%u\n", config->p2p_intra_bss);
888 if (config->p2p_group_idle)
889 fprintf(f, "p2p_group_idle=%u\n", config->p2p_group_idle);
890 if (config->p2p_pref_chan) {
892 fprintf(f, "p2p_pref_chan=");
893 for (i = 0; i < config->num_p2p_pref_chan; i++) {
894 fprintf(f, "%s%u:%u", i > 0 ? "," : "",
895 config->p2p_pref_chan[i].op_class,
896 config->p2p_pref_chan[i].chan);
900 if (config->p2p_go_ht40)
901 fprintf(f, "p2p_go_ht40=%u\n", config->p2p_go_ht40);
902 if (config->p2p_disabled)
903 fprintf(f, "p2p_disabled=%u\n", config->p2p_disabled);
904 if (config->p2p_no_group_iface)
905 fprintf(f, "p2p_no_group_iface=%u\n",
906 config->p2p_no_group_iface);
907 #endif /* CONFIG_P2P */
908 if (config->country[0] && config->country[1]) {
909 fprintf(f, "country=%c%c\n",
910 config->country[0], config->country[1]);
912 if (config->bss_max_count != DEFAULT_BSS_MAX_COUNT)
913 fprintf(f, "bss_max_count=%u\n", config->bss_max_count);
914 if (config->bss_expiration_age != DEFAULT_BSS_EXPIRATION_AGE)
915 fprintf(f, "bss_expiration_age=%u\n",
916 config->bss_expiration_age);
917 if (config->bss_expiration_scan_count !=
918 DEFAULT_BSS_EXPIRATION_SCAN_COUNT)
919 fprintf(f, "bss_expiration_scan_count=%u\n",
920 config->bss_expiration_scan_count);
921 if (config->filter_ssids)
922 fprintf(f, "filter_ssids=%d\n", config->filter_ssids);
923 if (config->max_num_sta != DEFAULT_MAX_NUM_STA)
924 fprintf(f, "max_num_sta=%u\n", config->max_num_sta);
925 if (config->disassoc_low_ack)
926 fprintf(f, "disassoc_low_ack=%u\n", config->disassoc_low_ack);
929 fprintf(f, "hs20=1\n");
930 #endif /* CONFIG_HS20 */
931 #ifdef CONFIG_INTERWORKING
932 if (config->interworking)
933 fprintf(f, "interworking=%u\n", config->interworking);
934 if (!is_zero_ether_addr(config->hessid))
935 fprintf(f, "hessid=" MACSTR "\n", MAC2STR(config->hessid));
936 if (config->access_network_type != DEFAULT_ACCESS_NETWORK_TYPE)
937 fprintf(f, "access_network_type=%d\n",
938 config->access_network_type);
939 #endif /* CONFIG_INTERWORKING */
940 if (config->pbc_in_m1)
941 fprintf(f, "pbc_in_m1=%u\n", config->pbc_in_m1);
942 if (config->wps_nfc_dev_pw_id)
943 fprintf(f, "wps_nfc_dev_pw_id=%d\n",
944 config->wps_nfc_dev_pw_id);
945 write_global_bin(f, "wps_nfc_dh_pubkey", config->wps_nfc_dh_pubkey);
946 write_global_bin(f, "wps_nfc_dh_privkey", config->wps_nfc_dh_privkey);
947 write_global_bin(f, "wps_nfc_dev_pw", config->wps_nfc_dev_pw);
949 if (config->ext_password_backend)
950 fprintf(f, "ext_password_backend=%s\n",
951 config->ext_password_backend);
952 if (config->p2p_go_max_inactivity != DEFAULT_P2P_GO_MAX_INACTIVITY)
953 fprintf(f, "p2p_go_max_inactivity=%d\n",
954 config->p2p_go_max_inactivity);
955 if (config->auto_interworking)
956 fprintf(f, "auto_interworking=%d\n",
957 config->auto_interworking);
959 fprintf(f, "okc=%d\n", config->okc);
961 fprintf(f, "pmf=%d\n", config->pmf);
964 #endif /* CONFIG_NO_CONFIG_WRITE */
967 int wpa_config_write(const char *name, struct wpa_config *config)
969 #ifndef CONFIG_NO_CONFIG_WRITE
971 struct wpa_ssid *ssid;
972 struct wpa_cred *cred;
973 #ifndef CONFIG_NO_CONFIG_BLOBS
974 struct wpa_config_blob *blob;
975 #endif /* CONFIG_NO_CONFIG_BLOBS */
978 wpa_printf(MSG_DEBUG, "Writing configuration file '%s'", name);
980 f = fopen(name, "w");
982 wpa_printf(MSG_DEBUG, "Failed to open '%s' for writing", name);
986 wpa_config_write_global(f, config);
988 for (cred = config->cred; cred; cred = cred->next) {
989 fprintf(f, "\ncred={\n");
990 wpa_config_write_cred(f, cred);
994 for (ssid = config->ssid; ssid; ssid = ssid->next) {
995 if (ssid->key_mgmt == WPA_KEY_MGMT_WPS || ssid->temporary)
996 continue; /* do not save temporary networks */
997 if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt) && !ssid->psk_set &&
999 continue; /* do not save invalid network */
1000 fprintf(f, "\nnetwork={\n");
1001 wpa_config_write_network(f, ssid);
1005 #ifndef CONFIG_NO_CONFIG_BLOBS
1006 for (blob = config->blobs; blob; blob = blob->next) {
1007 ret = wpa_config_write_blob(f, blob);
1011 #endif /* CONFIG_NO_CONFIG_BLOBS */
1015 wpa_printf(MSG_DEBUG, "Configuration file '%s' written %ssuccessfully",
1016 name, ret ? "un" : "");
1018 #else /* CONFIG_NO_CONFIG_WRITE */
1020 #endif /* CONFIG_NO_CONFIG_WRITE */