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 */