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 */
682 write_int(f, "proactive_key_caching", ssid->proactive_key_caching, -1);
685 #ifdef CONFIG_IEEE80211W
686 write_int(f, "ieee80211w", ssid->ieee80211w,
687 MGMT_FRAME_PROTECTION_DEFAULT);
688 #endif /* CONFIG_IEEE80211W */
691 write_p2p_client_list(f, ssid);
692 #endif /* CONFIG_P2P */
700 static void wpa_config_write_cred(FILE *f, struct wpa_cred *cred)
703 fprintf(f, "\tpriority=%d\n", cred->priority);
705 fprintf(f, "\tpcsc=%d\n", cred->pcsc);
707 fprintf(f, "\trealm=\"%s\"\n", cred->realm);
709 fprintf(f, "\tusername=\"%s\"\n", cred->username);
710 if (cred->password && cred->ext_password)
711 fprintf(f, "\tpassword=ext:%s\n", cred->password);
712 else if (cred->password)
713 fprintf(f, "\tpassword=\"%s\"\n", cred->password);
715 fprintf(f, "\tca_cert=\"%s\"\n", cred->ca_cert);
716 if (cred->client_cert)
717 fprintf(f, "\tclient_cert=\"%s\"\n", cred->client_cert);
718 if (cred->private_key)
719 fprintf(f, "\tprivate_key=\"%s\"\n", cred->private_key);
720 if (cred->private_key_passwd)
721 fprintf(f, "\tprivate_key_passwd=\"%s\"\n",
722 cred->private_key_passwd);
724 fprintf(f, "\timsi=\"%s\"\n", cred->imsi);
726 fprintf(f, "\tmilenage=\"%s\"\n", cred->milenage);
728 fprintf(f, "\tdomain=\"%s\"\n", cred->domain);
729 if (cred->roaming_consortium_len) {
731 fprintf(f, "\troaming_consortium=");
732 for (i = 0; i < cred->roaming_consortium_len; i++)
733 fprintf(f, "%02x", cred->roaming_consortium[i]);
736 if (cred->eap_method) {
738 name = eap_get_name(cred->eap_method[0].vendor,
739 cred->eap_method[0].method);
740 fprintf(f, "\teap=%s\n", name);
743 fprintf(f, "\tphase1=\"%s\"\n", cred->phase1);
745 fprintf(f, "\tphase2=\"%s\"\n", cred->phase2);
746 if (cred->excluded_ssid) {
748 for (i = 0; i < cred->num_excluded_ssid; i++) {
749 struct excluded_ssid *e = &cred->excluded_ssid[i];
750 fprintf(f, "\texcluded_ssid=");
751 for (j = 0; j < e->ssid_len; j++)
752 fprintf(f, "%02x", e->ssid[j]);
759 #ifndef CONFIG_NO_CONFIG_BLOBS
760 static int wpa_config_write_blob(FILE *f, struct wpa_config_blob *blob)
762 unsigned char *encoded;
764 encoded = base64_encode(blob->data, blob->len, NULL);
768 fprintf(f, "\nblob-base64-%s={\n%s}\n", blob->name, encoded);
772 #endif /* CONFIG_NO_CONFIG_BLOBS */
775 static void write_global_bin(FILE *f, const char *field,
776 const struct wpabuf *val)
784 fprintf(f, "%s=", field);
785 pos = wpabuf_head(val);
786 for (i = 0; i < wpabuf_len(val); i++)
787 fprintf(f, "%02X", *pos++);
792 static void wpa_config_write_global(FILE *f, struct wpa_config *config)
794 #ifdef CONFIG_CTRL_IFACE
795 if (config->ctrl_interface)
796 fprintf(f, "ctrl_interface=%s\n", config->ctrl_interface);
797 if (config->ctrl_interface_group)
798 fprintf(f, "ctrl_interface_group=%s\n",
799 config->ctrl_interface_group);
800 #endif /* CONFIG_CTRL_IFACE */
801 if (config->eapol_version != DEFAULT_EAPOL_VERSION)
802 fprintf(f, "eapol_version=%d\n", config->eapol_version);
803 if (config->ap_scan != DEFAULT_AP_SCAN)
804 fprintf(f, "ap_scan=%d\n", config->ap_scan);
805 if (config->disable_scan_offload)
806 fprintf(f, "disable_scan_offload=%d\n",
807 config->disable_scan_offload);
808 if (config->fast_reauth != DEFAULT_FAST_REAUTH)
809 fprintf(f, "fast_reauth=%d\n", config->fast_reauth);
810 if (config->opensc_engine_path)
811 fprintf(f, "opensc_engine_path=%s\n",
812 config->opensc_engine_path);
813 if (config->pkcs11_engine_path)
814 fprintf(f, "pkcs11_engine_path=%s\n",
815 config->pkcs11_engine_path);
816 if (config->pkcs11_module_path)
817 fprintf(f, "pkcs11_module_path=%s\n",
818 config->pkcs11_module_path);
819 if (config->pcsc_reader)
820 fprintf(f, "pcsc_reader=%s\n", config->pcsc_reader);
821 if (config->pcsc_pin)
822 fprintf(f, "pcsc_pin=%s\n", config->pcsc_pin);
823 if (config->driver_param)
824 fprintf(f, "driver_param=%s\n", config->driver_param);
825 if (config->dot11RSNAConfigPMKLifetime)
826 fprintf(f, "dot11RSNAConfigPMKLifetime=%d\n",
827 config->dot11RSNAConfigPMKLifetime);
828 if (config->dot11RSNAConfigPMKReauthThreshold)
829 fprintf(f, "dot11RSNAConfigPMKReauthThreshold=%d\n",
830 config->dot11RSNAConfigPMKReauthThreshold);
831 if (config->dot11RSNAConfigSATimeout)
832 fprintf(f, "dot11RSNAConfigSATimeout=%d\n",
833 config->dot11RSNAConfigSATimeout);
834 if (config->update_config)
835 fprintf(f, "update_config=%d\n", config->update_config);
837 if (!is_nil_uuid(config->uuid)) {
839 uuid_bin2str(config->uuid, buf, sizeof(buf));
840 fprintf(f, "uuid=%s\n", buf);
842 if (config->device_name)
843 fprintf(f, "device_name=%s\n", config->device_name);
844 if (config->manufacturer)
845 fprintf(f, "manufacturer=%s\n", config->manufacturer);
846 if (config->model_name)
847 fprintf(f, "model_name=%s\n", config->model_name);
848 if (config->model_number)
849 fprintf(f, "model_number=%s\n", config->model_number);
850 if (config->serial_number)
851 fprintf(f, "serial_number=%s\n", config->serial_number);
853 char _buf[WPS_DEV_TYPE_BUFSIZE], *buf;
854 buf = wps_dev_type_bin2str(config->device_type,
856 if (os_strcmp(buf, "0-00000000-0") != 0)
857 fprintf(f, "device_type=%s\n", buf);
859 if (WPA_GET_BE32(config->os_version))
860 fprintf(f, "os_version=%08x\n",
861 WPA_GET_BE32(config->os_version));
862 if (config->config_methods)
863 fprintf(f, "config_methods=%s\n", config->config_methods);
864 if (config->wps_cred_processing)
865 fprintf(f, "wps_cred_processing=%d\n",
866 config->wps_cred_processing);
867 if (config->wps_vendor_ext_m1) {
868 int i, len = wpabuf_len(config->wps_vendor_ext_m1);
869 const u8 *p = wpabuf_head_u8(config->wps_vendor_ext_m1);
871 fprintf(f, "wps_vendor_ext_m1=");
872 for (i = 0; i < len; i++)
873 fprintf(f, "%02x", *p++);
877 #endif /* CONFIG_WPS */
879 if (config->p2p_listen_reg_class)
880 fprintf(f, "p2p_listen_reg_class=%u\n",
881 config->p2p_listen_reg_class);
882 if (config->p2p_listen_channel)
883 fprintf(f, "p2p_listen_channel=%u\n",
884 config->p2p_listen_channel);
885 if (config->p2p_oper_reg_class)
886 fprintf(f, "p2p_oper_reg_class=%u\n",
887 config->p2p_oper_reg_class);
888 if (config->p2p_oper_channel)
889 fprintf(f, "p2p_oper_channel=%u\n", config->p2p_oper_channel);
890 if (config->p2p_go_intent != DEFAULT_P2P_GO_INTENT)
891 fprintf(f, "p2p_go_intent=%u\n", config->p2p_go_intent);
892 if (config->p2p_ssid_postfix)
893 fprintf(f, "p2p_ssid_postfix=%s\n", config->p2p_ssid_postfix);
894 if (config->persistent_reconnect)
895 fprintf(f, "persistent_reconnect=%u\n",
896 config->persistent_reconnect);
897 if (config->p2p_intra_bss != DEFAULT_P2P_INTRA_BSS)
898 fprintf(f, "p2p_intra_bss=%u\n", config->p2p_intra_bss);
899 if (config->p2p_group_idle)
900 fprintf(f, "p2p_group_idle=%u\n", config->p2p_group_idle);
901 if (config->p2p_pref_chan) {
903 fprintf(f, "p2p_pref_chan=");
904 for (i = 0; i < config->num_p2p_pref_chan; i++) {
905 fprintf(f, "%s%u:%u", i > 0 ? "," : "",
906 config->p2p_pref_chan[i].op_class,
907 config->p2p_pref_chan[i].chan);
911 if (config->p2p_go_ht40)
912 fprintf(f, "p2p_go_ht40=%u\n", config->p2p_go_ht40);
913 if (config->p2p_disabled)
914 fprintf(f, "p2p_disabled=%u\n", config->p2p_disabled);
915 if (config->p2p_no_group_iface)
916 fprintf(f, "p2p_no_group_iface=%u\n",
917 config->p2p_no_group_iface);
918 #endif /* CONFIG_P2P */
919 if (config->country[0] && config->country[1]) {
920 fprintf(f, "country=%c%c\n",
921 config->country[0], config->country[1]);
923 if (config->bss_max_count != DEFAULT_BSS_MAX_COUNT)
924 fprintf(f, "bss_max_count=%u\n", config->bss_max_count);
925 if (config->bss_expiration_age != DEFAULT_BSS_EXPIRATION_AGE)
926 fprintf(f, "bss_expiration_age=%u\n",
927 config->bss_expiration_age);
928 if (config->bss_expiration_scan_count !=
929 DEFAULT_BSS_EXPIRATION_SCAN_COUNT)
930 fprintf(f, "bss_expiration_scan_count=%u\n",
931 config->bss_expiration_scan_count);
932 if (config->filter_ssids)
933 fprintf(f, "filter_ssids=%d\n", config->filter_ssids);
934 if (config->max_num_sta != DEFAULT_MAX_NUM_STA)
935 fprintf(f, "max_num_sta=%u\n", config->max_num_sta);
936 if (config->disassoc_low_ack)
937 fprintf(f, "disassoc_low_ack=%u\n", config->disassoc_low_ack);
940 fprintf(f, "hs20=1\n");
941 #endif /* CONFIG_HS20 */
942 #ifdef CONFIG_INTERWORKING
943 if (config->interworking)
944 fprintf(f, "interworking=%u\n", config->interworking);
945 if (!is_zero_ether_addr(config->hessid))
946 fprintf(f, "hessid=" MACSTR "\n", MAC2STR(config->hessid));
947 if (config->access_network_type != DEFAULT_ACCESS_NETWORK_TYPE)
948 fprintf(f, "access_network_type=%d\n",
949 config->access_network_type);
950 #endif /* CONFIG_INTERWORKING */
951 if (config->pbc_in_m1)
952 fprintf(f, "pbc_in_m1=%u\n", config->pbc_in_m1);
953 if (config->wps_nfc_dev_pw_id)
954 fprintf(f, "wps_nfc_dev_pw_id=%d\n",
955 config->wps_nfc_dev_pw_id);
956 write_global_bin(f, "wps_nfc_dh_pubkey", config->wps_nfc_dh_pubkey);
957 write_global_bin(f, "wps_nfc_dh_privkey", config->wps_nfc_dh_privkey);
958 write_global_bin(f, "wps_nfc_dev_pw", config->wps_nfc_dev_pw);
960 if (config->ext_password_backend)
961 fprintf(f, "ext_password_backend=%s\n",
962 config->ext_password_backend);
963 if (config->p2p_go_max_inactivity != DEFAULT_P2P_GO_MAX_INACTIVITY)
964 fprintf(f, "p2p_go_max_inactivity=%d\n",
965 config->p2p_go_max_inactivity);
966 if (config->auto_interworking)
967 fprintf(f, "auto_interworking=%d\n",
968 config->auto_interworking);
970 fprintf(f, "okc=%d\n", config->okc);
972 fprintf(f, "pmf=%d\n", config->pmf);
975 #endif /* CONFIG_NO_CONFIG_WRITE */
978 int wpa_config_write(const char *name, struct wpa_config *config)
980 #ifndef CONFIG_NO_CONFIG_WRITE
982 struct wpa_ssid *ssid;
983 struct wpa_cred *cred;
984 #ifndef CONFIG_NO_CONFIG_BLOBS
985 struct wpa_config_blob *blob;
986 #endif /* CONFIG_NO_CONFIG_BLOBS */
989 wpa_printf(MSG_DEBUG, "Writing configuration file '%s'", name);
991 f = fopen(name, "w");
993 wpa_printf(MSG_DEBUG, "Failed to open '%s' for writing", name);
997 wpa_config_write_global(f, config);
999 for (cred = config->cred; cred; cred = cred->next) {
1000 fprintf(f, "\ncred={\n");
1001 wpa_config_write_cred(f, cred);
1005 for (ssid = config->ssid; ssid; ssid = ssid->next) {
1006 if (ssid->key_mgmt == WPA_KEY_MGMT_WPS || ssid->temporary)
1007 continue; /* do not save temporary networks */
1008 if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt) && !ssid->psk_set &&
1010 continue; /* do not save invalid network */
1011 fprintf(f, "\nnetwork={\n");
1012 wpa_config_write_network(f, ssid);
1016 #ifndef CONFIG_NO_CONFIG_BLOBS
1017 for (blob = config->blobs; blob; blob = blob->next) {
1018 ret = wpa_config_write_blob(f, blob);
1022 #endif /* CONFIG_NO_CONFIG_BLOBS */
1026 wpa_printf(MSG_DEBUG, "Configuration file '%s' written %ssuccessfully",
1027 name, ret ? "un" : "");
1029 #else /* CONFIG_NO_CONFIG_WRITE */
1031 #endif /* CONFIG_NO_CONFIG_WRITE */