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
));
161 dl_list_init(&ssid
->psk_list
);
164 wpa_config_set_network_defaults(ssid
);
166 while (wpa_config_get_line(buf
, sizeof(buf
), f
, line
, &pos
)) {
167 if (os_strcmp(pos
, "}") == 0) {
172 pos2
= os_strchr(pos
, '=');
174 wpa_printf(MSG_ERROR
, "Line %d: Invalid SSID line "
175 "'%s'.", *line
, pos
);
182 if (os_strchr(pos2
+ 1, '"') == NULL
) {
183 wpa_printf(MSG_ERROR
, "Line %d: invalid "
184 "quotation '%s'.", *line
, pos2
);
190 if (wpa_config_set(ssid
, pos
, pos2
, *line
) < 0)
195 wpa_printf(MSG_ERROR
, "Line %d: network block was not "
196 "terminated properly.", *line
);
200 errors
+= wpa_config_validate_network(ssid
, *line
);
203 wpa_config_free_ssid(ssid
);
211 static struct wpa_cred
* wpa_config_read_cred(FILE *f
, int *line
, int id
)
213 struct wpa_cred
*cred
;
214 int errors
= 0, end
= 0;
215 char buf
[256], *pos
, *pos2
;
217 wpa_printf(MSG_MSGDUMP
, "Line: %d - start of a new cred block", *line
);
218 cred
= os_zalloc(sizeof(*cred
));
223 while (wpa_config_get_line(buf
, sizeof(buf
), f
, line
, &pos
)) {
224 if (os_strcmp(pos
, "}") == 0) {
229 pos2
= os_strchr(pos
, '=');
231 wpa_printf(MSG_ERROR
, "Line %d: Invalid cred line "
232 "'%s'.", *line
, pos
);
239 if (os_strchr(pos2
+ 1, '"') == NULL
) {
240 wpa_printf(MSG_ERROR
, "Line %d: invalid "
241 "quotation '%s'.", *line
, pos2
);
247 if (wpa_config_set_cred(cred
, pos
, pos2
, *line
) < 0)
252 wpa_printf(MSG_ERROR
, "Line %d: cred block was not "
253 "terminated properly.", *line
);
258 wpa_config_free_cred(cred
);
266 #ifndef CONFIG_NO_CONFIG_BLOBS
267 static struct wpa_config_blob
* wpa_config_read_blob(FILE *f
, int *line
,
270 struct wpa_config_blob
*blob
;
272 unsigned char *encoded
= NULL
, *nencoded
;
274 size_t encoded_len
= 0, len
;
276 wpa_printf(MSG_MSGDUMP
, "Line: %d - start of a new named blob '%s'",
279 while (wpa_config_get_line(buf
, sizeof(buf
), f
, line
, &pos
)) {
280 if (os_strcmp(pos
, "}") == 0) {
285 len
= os_strlen(pos
);
286 nencoded
= os_realloc(encoded
, encoded_len
+ len
);
287 if (nencoded
== NULL
) {
288 wpa_printf(MSG_ERROR
, "Line %d: not enough memory for "
294 os_memcpy(encoded
+ encoded_len
, pos
, len
);
299 wpa_printf(MSG_ERROR
, "Line %d: blob was not terminated "
305 blob
= os_zalloc(sizeof(*blob
));
310 blob
->name
= os_strdup(name
);
311 blob
->data
= base64_decode(encoded
, encoded_len
, &blob
->len
);
314 if (blob
->name
== NULL
|| blob
->data
== NULL
) {
315 wpa_config_free_blob(blob
);
323 static int wpa_config_process_blob(struct wpa_config
*config
, FILE *f
,
324 int *line
, char *bname
)
327 struct wpa_config_blob
*blob
;
329 name_end
= os_strchr(bname
, '=');
330 if (name_end
== NULL
) {
331 wpa_printf(MSG_ERROR
, "Line %d: no blob name terminator",
337 blob
= wpa_config_read_blob(f
, line
, bname
);
339 wpa_printf(MSG_ERROR
, "Line %d: failed to read blob %s",
343 wpa_config_set_blob(config
, blob
);
346 #endif /* CONFIG_NO_CONFIG_BLOBS */
349 struct wpa_config
* wpa_config_read(const char *name
, struct wpa_config
*cfgp
)
353 int errors
= 0, line
= 0;
354 struct wpa_ssid
*ssid
, *tail
= NULL
, *head
= NULL
;
355 struct wpa_cred
*cred
, *cred_tail
= NULL
, *cred_head
= NULL
;
356 struct wpa_config
*config
;
365 config
= wpa_config_alloc_empty(NULL
, NULL
);
366 if (config
== NULL
) {
367 wpa_printf(MSG_ERROR
, "Failed to allocate config file "
372 cred_head
= config
->cred
;
374 wpa_printf(MSG_DEBUG
, "Reading configuration file '%s'", name
);
375 f
= fopen(name
, "r");
377 wpa_printf(MSG_ERROR
, "Failed to open config file '%s', "
378 "error: %s", name
, strerror(errno
));
383 while (wpa_config_get_line(buf
, sizeof(buf
), f
, &line
, &pos
)) {
384 if (os_strcmp(pos
, "network={") == 0) {
385 ssid
= wpa_config_read_network(f
, &line
, id
++);
387 wpa_printf(MSG_ERROR
, "Line %d: failed to "
388 "parse network block.", line
);
398 if (wpa_config_add_prio_network(config
, ssid
)) {
399 wpa_printf(MSG_ERROR
, "Line %d: failed to add "
400 "network block to priority list.",
405 } else if (os_strcmp(pos
, "cred={") == 0) {
406 cred
= wpa_config_read_cred(f
, &line
, cred_id
++);
408 wpa_printf(MSG_ERROR
, "Line %d: failed to "
409 "parse cred block.", line
);
413 if (cred_head
== NULL
) {
414 cred_head
= cred_tail
= cred
;
416 cred_tail
->next
= cred
;
419 #ifndef CONFIG_NO_CONFIG_BLOBS
420 } else if (os_strncmp(pos
, "blob-base64-", 12) == 0) {
421 if (wpa_config_process_blob(config
, f
, &line
, pos
+ 12)
423 wpa_printf(MSG_ERROR
, "Line %d: failed to "
424 "process blob.", line
);
428 #endif /* CONFIG_NO_CONFIG_BLOBS */
429 } else if (wpa_config_process_global(config
, pos
, line
) < 0) {
430 wpa_printf(MSG_ERROR
, "Line %d: Invalid configuration "
431 "line '%s'.", line
, pos
);
440 wpa_config_debug_dump_networks(config
);
441 config
->cred
= cred_head
;
443 #ifndef WPA_IGNORE_CONFIG_ERRORS
445 wpa_config_free(config
);
449 #endif /* WPA_IGNORE_CONFIG_ERRORS */
455 #ifndef CONFIG_NO_CONFIG_WRITE
457 static void write_str(FILE *f
, const char *field
, struct wpa_ssid
*ssid
)
459 char *value
= wpa_config_get(ssid
, field
);
462 fprintf(f
, "\t%s=%s\n", field
, value
);
467 static void write_int(FILE *f
, const char *field
, int value
, int def
)
471 fprintf(f
, "\t%s=%d\n", field
, value
);
475 static void write_bssid(FILE *f
, struct wpa_ssid
*ssid
)
477 char *value
= wpa_config_get(ssid
, "bssid");
480 fprintf(f
, "\tbssid=%s\n", value
);
485 static void write_psk(FILE *f
, struct wpa_ssid
*ssid
)
487 char *value
= wpa_config_get(ssid
, "psk");
490 fprintf(f
, "\tpsk=%s\n", value
);
495 static void write_proto(FILE *f
, struct wpa_ssid
*ssid
)
499 if (ssid
->proto
== DEFAULT_PROTO
)
502 value
= wpa_config_get(ssid
, "proto");
506 fprintf(f
, "\tproto=%s\n", value
);
511 static void write_key_mgmt(FILE *f
, struct wpa_ssid
*ssid
)
515 if (ssid
->key_mgmt
== DEFAULT_KEY_MGMT
)
518 value
= wpa_config_get(ssid
, "key_mgmt");
522 fprintf(f
, "\tkey_mgmt=%s\n", value
);
527 static void write_pairwise(FILE *f
, struct wpa_ssid
*ssid
)
531 if (ssid
->pairwise_cipher
== DEFAULT_PAIRWISE
)
534 value
= wpa_config_get(ssid
, "pairwise");
538 fprintf(f
, "\tpairwise=%s\n", value
);
543 static void write_group(FILE *f
, struct wpa_ssid
*ssid
)
547 if (ssid
->group_cipher
== DEFAULT_GROUP
)
550 value
= wpa_config_get(ssid
, "group");
554 fprintf(f
, "\tgroup=%s\n", value
);
559 static void write_auth_alg(FILE *f
, struct wpa_ssid
*ssid
)
563 if (ssid
->auth_alg
== 0)
566 value
= wpa_config_get(ssid
, "auth_alg");
570 fprintf(f
, "\tauth_alg=%s\n", value
);
575 #ifdef IEEE8021X_EAPOL
576 static void write_eap(FILE *f
, struct wpa_ssid
*ssid
)
580 value
= wpa_config_get(ssid
, "eap");
585 fprintf(f
, "\teap=%s\n", value
);
588 #endif /* IEEE8021X_EAPOL */
591 static void write_wep_key(FILE *f
, int idx
, struct wpa_ssid
*ssid
)
593 char field
[20], *value
;
596 res
= os_snprintf(field
, sizeof(field
), "wep_key%d", idx
);
597 if (res
< 0 || (size_t) res
>= sizeof(field
))
599 value
= wpa_config_get(ssid
, field
);
601 fprintf(f
, "\t%s=%s\n", field
, value
);
609 static void write_go_p2p_dev_addr(FILE *f
, struct wpa_ssid
*ssid
)
611 char *value
= wpa_config_get(ssid
, "go_p2p_dev_addr");
614 fprintf(f
, "\tgo_p2p_dev_addr=%s\n", value
);
618 static void write_p2p_client_list(FILE *f
, struct wpa_ssid
*ssid
)
620 char *value
= wpa_config_get(ssid
, "p2p_client_list");
623 fprintf(f
, "\tp2p_client_list=%s\n", value
);
628 static void write_psk_list(FILE *f
, struct wpa_ssid
*ssid
)
630 struct psk_list_entry
*psk
;
631 char hex
[32 * 2 + 1];
633 dl_list_for_each(psk
, &ssid
->psk_list
, struct psk_list_entry
, list
) {
634 wpa_snprintf_hex(hex
, sizeof(hex
), psk
->psk
, sizeof(psk
->psk
));
635 fprintf(f
, "\tpsk_list=%s" MACSTR
"-%s\n",
636 psk
->p2p
? "P2P-" : "", MAC2STR(psk
->addr
), hex
);
640 #endif /* CONFIG_P2P */
643 static void wpa_config_write_network(FILE *f
, struct wpa_ssid
*ssid
)
647 #define STR(t) write_str(f, #t, ssid)
648 #define INT(t) write_int(f, #t, ssid->t, 0)
649 #define INTe(t) write_int(f, #t, ssid->eap.t, 0)
650 #define INT_DEF(t, def) write_int(f, #t, ssid->t, def)
651 #define INT_DEFe(t, def) write_int(f, #t, ssid->eap.t, def)
655 write_bssid(f
, ssid
);
657 write_proto(f
, ssid
);
658 write_key_mgmt(f
, ssid
);
659 INT_DEF(bg_scan_period
, DEFAULT_BG_SCAN_PERIOD
);
660 write_pairwise(f
, ssid
);
661 write_group(f
, ssid
);
662 write_auth_alg(f
, ssid
);
666 #ifdef IEEE8021X_EAPOL
669 STR(anonymous_identity
);
675 STR(private_key_passwd
);
678 STR(altsubject_match
);
679 STR(domain_suffix_match
);
684 STR(private_key2_passwd
);
687 STR(altsubject_match2
);
688 STR(domain_suffix_match2
);
704 INT_DEF(eapol_flags
, DEFAULT_EAPOL_FLAGS
);
705 #endif /* IEEE8021X_EAPOL */
706 for (i
= 0; i
< 4; i
++)
707 write_wep_key(f
, i
, ssid
);
710 #ifdef IEEE8021X_EAPOL
711 INT_DEF(eap_workaround
, DEFAULT_EAP_WORKAROUND
);
713 INT_DEFe(fragment_size
, DEFAULT_FRAGMENT_SIZE
);
714 #endif /* IEEE8021X_EAPOL */
717 write_int(f
, "proactive_key_caching", ssid
->proactive_key_caching
, -1);
720 #ifdef CONFIG_IEEE80211W
721 write_int(f
, "ieee80211w", ssid
->ieee80211w
,
722 MGMT_FRAME_PROTECTION_DEFAULT
);
723 #endif /* CONFIG_IEEE80211W */
726 write_go_p2p_dev_addr(f
, ssid
);
727 write_p2p_client_list(f
, ssid
);
728 write_psk_list(f
, ssid
);
729 #endif /* CONFIG_P2P */
739 static void wpa_config_write_cred(FILE *f
, struct wpa_cred
*cred
)
744 fprintf(f
, "\tpriority=%d\n", cred
->priority
);
746 fprintf(f
, "\tpcsc=%d\n", cred
->pcsc
);
748 fprintf(f
, "\trealm=\"%s\"\n", cred
->realm
);
750 fprintf(f
, "\tusername=\"%s\"\n", cred
->username
);
751 if (cred
->password
&& cred
->ext_password
)
752 fprintf(f
, "\tpassword=ext:%s\n", cred
->password
);
753 else if (cred
->password
)
754 fprintf(f
, "\tpassword=\"%s\"\n", cred
->password
);
756 fprintf(f
, "\tca_cert=\"%s\"\n", cred
->ca_cert
);
757 if (cred
->client_cert
)
758 fprintf(f
, "\tclient_cert=\"%s\"\n", cred
->client_cert
);
759 if (cred
->private_key
)
760 fprintf(f
, "\tprivate_key=\"%s\"\n", cred
->private_key
);
761 if (cred
->private_key_passwd
)
762 fprintf(f
, "\tprivate_key_passwd=\"%s\"\n",
763 cred
->private_key_passwd
);
765 fprintf(f
, "\timsi=\"%s\"\n", cred
->imsi
);
767 fprintf(f
, "\tmilenage=\"%s\"\n", cred
->milenage
);
768 for (i
= 0; i
< cred
->num_domain
; i
++)
769 fprintf(f
, "\tdomain=\"%s\"\n", cred
->domain
[i
]);
770 if (cred
->domain_suffix_match
)
771 fprintf(f
, "\tdomain_suffix_match=\"%s\"",
772 cred
->domain_suffix_match
);
773 if (cred
->roaming_consortium_len
) {
774 fprintf(f
, "\troaming_consortium=");
775 for (i
= 0; i
< cred
->roaming_consortium_len
; i
++)
776 fprintf(f
, "%02x", cred
->roaming_consortium
[i
]);
779 if (cred
->eap_method
) {
781 name
= eap_get_name(cred
->eap_method
[0].vendor
,
782 cred
->eap_method
[0].method
);
783 fprintf(f
, "\teap=%s\n", name
);
786 fprintf(f
, "\tphase1=\"%s\"\n", cred
->phase1
);
788 fprintf(f
, "\tphase2=\"%s\"\n", cred
->phase2
);
789 if (cred
->excluded_ssid
) {
791 for (i
= 0; i
< cred
->num_excluded_ssid
; i
++) {
792 struct excluded_ssid
*e
= &cred
->excluded_ssid
[i
];
793 fprintf(f
, "\texcluded_ssid=");
794 for (j
= 0; j
< e
->ssid_len
; j
++)
795 fprintf(f
, "%02x", e
->ssid
[j
]);
799 if (cred
->roaming_partner
) {
800 for (i
= 0; i
< cred
->num_roaming_partner
; i
++) {
801 struct roaming_partner
*p
= &cred
->roaming_partner
[i
];
802 fprintf(f
, "\troaming_partner=\"%s,%d,%u,%s\"\n",
803 p
->fqdn
, p
->exact_match
, p
->priority
,
807 if (cred
->update_identifier
)
808 fprintf(f
, "\tupdate_identifier=%d\n", cred
->update_identifier
);
812 #ifndef CONFIG_NO_CONFIG_BLOBS
813 static int wpa_config_write_blob(FILE *f
, struct wpa_config_blob
*blob
)
815 unsigned char *encoded
;
817 encoded
= base64_encode(blob
->data
, blob
->len
, NULL
);
821 fprintf(f
, "\nblob-base64-%s={\n%s}\n", blob
->name
, encoded
);
825 #endif /* CONFIG_NO_CONFIG_BLOBS */
828 static void write_global_bin(FILE *f
, const char *field
,
829 const struct wpabuf
*val
)
837 fprintf(f
, "%s=", field
);
838 pos
= wpabuf_head(val
);
839 for (i
= 0; i
< wpabuf_len(val
); i
++)
840 fprintf(f
, "%02X", *pos
++);
845 static void wpa_config_write_global(FILE *f
, struct wpa_config
*config
)
847 #ifdef CONFIG_CTRL_IFACE
848 if (config
->ctrl_interface
)
849 fprintf(f
, "ctrl_interface=%s\n", config
->ctrl_interface
);
850 if (config
->ctrl_interface_group
)
851 fprintf(f
, "ctrl_interface_group=%s\n",
852 config
->ctrl_interface_group
);
853 #endif /* CONFIG_CTRL_IFACE */
854 if (config
->eapol_version
!= DEFAULT_EAPOL_VERSION
)
855 fprintf(f
, "eapol_version=%d\n", config
->eapol_version
);
856 if (config
->ap_scan
!= DEFAULT_AP_SCAN
)
857 fprintf(f
, "ap_scan=%d\n", config
->ap_scan
);
858 if (config
->disable_scan_offload
)
859 fprintf(f
, "disable_scan_offload=%d\n",
860 config
->disable_scan_offload
);
861 if (config
->fast_reauth
!= DEFAULT_FAST_REAUTH
)
862 fprintf(f
, "fast_reauth=%d\n", config
->fast_reauth
);
863 if (config
->opensc_engine_path
)
864 fprintf(f
, "opensc_engine_path=%s\n",
865 config
->opensc_engine_path
);
866 if (config
->pkcs11_engine_path
)
867 fprintf(f
, "pkcs11_engine_path=%s\n",
868 config
->pkcs11_engine_path
);
869 if (config
->pkcs11_module_path
)
870 fprintf(f
, "pkcs11_module_path=%s\n",
871 config
->pkcs11_module_path
);
872 if (config
->pcsc_reader
)
873 fprintf(f
, "pcsc_reader=%s\n", config
->pcsc_reader
);
874 if (config
->pcsc_pin
)
875 fprintf(f
, "pcsc_pin=%s\n", config
->pcsc_pin
);
876 if (config
->driver_param
)
877 fprintf(f
, "driver_param=%s\n", config
->driver_param
);
878 if (config
->dot11RSNAConfigPMKLifetime
)
879 fprintf(f
, "dot11RSNAConfigPMKLifetime=%d\n",
880 config
->dot11RSNAConfigPMKLifetime
);
881 if (config
->dot11RSNAConfigPMKReauthThreshold
)
882 fprintf(f
, "dot11RSNAConfigPMKReauthThreshold=%d\n",
883 config
->dot11RSNAConfigPMKReauthThreshold
);
884 if (config
->dot11RSNAConfigSATimeout
)
885 fprintf(f
, "dot11RSNAConfigSATimeout=%d\n",
886 config
->dot11RSNAConfigSATimeout
);
887 if (config
->update_config
)
888 fprintf(f
, "update_config=%d\n", config
->update_config
);
890 if (!is_nil_uuid(config
->uuid
)) {
892 uuid_bin2str(config
->uuid
, buf
, sizeof(buf
));
893 fprintf(f
, "uuid=%s\n", buf
);
895 if (config
->device_name
)
896 fprintf(f
, "device_name=%s\n", config
->device_name
);
897 if (config
->manufacturer
)
898 fprintf(f
, "manufacturer=%s\n", config
->manufacturer
);
899 if (config
->model_name
)
900 fprintf(f
, "model_name=%s\n", config
->model_name
);
901 if (config
->model_number
)
902 fprintf(f
, "model_number=%s\n", config
->model_number
);
903 if (config
->serial_number
)
904 fprintf(f
, "serial_number=%s\n", config
->serial_number
);
906 char _buf
[WPS_DEV_TYPE_BUFSIZE
], *buf
;
907 buf
= wps_dev_type_bin2str(config
->device_type
,
909 if (os_strcmp(buf
, "0-00000000-0") != 0)
910 fprintf(f
, "device_type=%s\n", buf
);
912 if (WPA_GET_BE32(config
->os_version
))
913 fprintf(f
, "os_version=%08x\n",
914 WPA_GET_BE32(config
->os_version
));
915 if (config
->config_methods
)
916 fprintf(f
, "config_methods=%s\n", config
->config_methods
);
917 if (config
->wps_cred_processing
)
918 fprintf(f
, "wps_cred_processing=%d\n",
919 config
->wps_cred_processing
);
920 if (config
->wps_vendor_ext_m1
) {
921 int i
, len
= wpabuf_len(config
->wps_vendor_ext_m1
);
922 const u8
*p
= wpabuf_head_u8(config
->wps_vendor_ext_m1
);
924 fprintf(f
, "wps_vendor_ext_m1=");
925 for (i
= 0; i
< len
; i
++)
926 fprintf(f
, "%02x", *p
++);
930 #endif /* CONFIG_WPS */
932 if (config
->p2p_listen_reg_class
)
933 fprintf(f
, "p2p_listen_reg_class=%u\n",
934 config
->p2p_listen_reg_class
);
935 if (config
->p2p_listen_channel
)
936 fprintf(f
, "p2p_listen_channel=%u\n",
937 config
->p2p_listen_channel
);
938 if (config
->p2p_oper_reg_class
)
939 fprintf(f
, "p2p_oper_reg_class=%u\n",
940 config
->p2p_oper_reg_class
);
941 if (config
->p2p_oper_channel
)
942 fprintf(f
, "p2p_oper_channel=%u\n", config
->p2p_oper_channel
);
943 if (config
->p2p_go_intent
!= DEFAULT_P2P_GO_INTENT
)
944 fprintf(f
, "p2p_go_intent=%u\n", config
->p2p_go_intent
);
945 if (config
->p2p_ssid_postfix
)
946 fprintf(f
, "p2p_ssid_postfix=%s\n", config
->p2p_ssid_postfix
);
947 if (config
->persistent_reconnect
)
948 fprintf(f
, "persistent_reconnect=%u\n",
949 config
->persistent_reconnect
);
950 if (config
->p2p_intra_bss
!= DEFAULT_P2P_INTRA_BSS
)
951 fprintf(f
, "p2p_intra_bss=%u\n", config
->p2p_intra_bss
);
952 if (config
->p2p_group_idle
)
953 fprintf(f
, "p2p_group_idle=%u\n", config
->p2p_group_idle
);
954 if (config
->p2p_pref_chan
) {
956 fprintf(f
, "p2p_pref_chan=");
957 for (i
= 0; i
< config
->num_p2p_pref_chan
; i
++) {
958 fprintf(f
, "%s%u:%u", i
> 0 ? "," : "",
959 config
->p2p_pref_chan
[i
].op_class
,
960 config
->p2p_pref_chan
[i
].chan
);
964 if (config
->p2p_no_go_freq
.num
) {
965 char *val
= freq_range_list_str(&config
->p2p_no_go_freq
);
967 fprintf(f
, "p2p_no_go_freq=%s\n", val
);
971 if (config
->p2p_add_cli_chan
)
972 fprintf(f
, "p2p_add_cli_chan=%d\n", config
->p2p_add_cli_chan
);
973 if (config
->p2p_go_ht40
)
974 fprintf(f
, "p2p_go_ht40=%u\n", config
->p2p_go_ht40
);
975 if (config
->p2p_go_vht
)
976 fprintf(f
, "p2p_go_vht=%u\n", config
->p2p_go_vht
);
977 if (config
->p2p_disabled
)
978 fprintf(f
, "p2p_disabled=%u\n", config
->p2p_disabled
);
979 if (config
->p2p_no_group_iface
)
980 fprintf(f
, "p2p_no_group_iface=%u\n",
981 config
->p2p_no_group_iface
);
982 if (config
->p2p_ignore_shared_freq
)
983 fprintf(f
, "p2p_ignore_shared_freq=%u\n",
984 config
->p2p_ignore_shared_freq
);
985 #endif /* CONFIG_P2P */
986 if (config
->country
[0] && config
->country
[1]) {
987 fprintf(f
, "country=%c%c\n",
988 config
->country
[0], config
->country
[1]);
990 if (config
->bss_max_count
!= DEFAULT_BSS_MAX_COUNT
)
991 fprintf(f
, "bss_max_count=%u\n", config
->bss_max_count
);
992 if (config
->bss_expiration_age
!= DEFAULT_BSS_EXPIRATION_AGE
)
993 fprintf(f
, "bss_expiration_age=%u\n",
994 config
->bss_expiration_age
);
995 if (config
->bss_expiration_scan_count
!=
996 DEFAULT_BSS_EXPIRATION_SCAN_COUNT
)
997 fprintf(f
, "bss_expiration_scan_count=%u\n",
998 config
->bss_expiration_scan_count
);
999 if (config
->filter_ssids
)
1000 fprintf(f
, "filter_ssids=%d\n", config
->filter_ssids
);
1001 if (config
->max_num_sta
!= DEFAULT_MAX_NUM_STA
)
1002 fprintf(f
, "max_num_sta=%u\n", config
->max_num_sta
);
1003 if (config
->disassoc_low_ack
)
1004 fprintf(f
, "disassoc_low_ack=%u\n", config
->disassoc_low_ack
);
1007 fprintf(f
, "hs20=1\n");
1008 #endif /* CONFIG_HS20 */
1009 #ifdef CONFIG_INTERWORKING
1010 if (config
->interworking
)
1011 fprintf(f
, "interworking=%u\n", config
->interworking
);
1012 if (!is_zero_ether_addr(config
->hessid
))
1013 fprintf(f
, "hessid=" MACSTR
"\n", MAC2STR(config
->hessid
));
1014 if (config
->access_network_type
!= DEFAULT_ACCESS_NETWORK_TYPE
)
1015 fprintf(f
, "access_network_type=%d\n",
1016 config
->access_network_type
);
1017 #endif /* CONFIG_INTERWORKING */
1018 if (config
->pbc_in_m1
)
1019 fprintf(f
, "pbc_in_m1=%u\n", config
->pbc_in_m1
);
1020 if (config
->wps_nfc_pw_from_config
) {
1021 if (config
->wps_nfc_dev_pw_id
)
1022 fprintf(f
, "wps_nfc_dev_pw_id=%d\n",
1023 config
->wps_nfc_dev_pw_id
);
1024 write_global_bin(f
, "wps_nfc_dh_pubkey",
1025 config
->wps_nfc_dh_pubkey
);
1026 write_global_bin(f
, "wps_nfc_dh_privkey",
1027 config
->wps_nfc_dh_privkey
);
1028 write_global_bin(f
, "wps_nfc_dev_pw", config
->wps_nfc_dev_pw
);
1031 if (config
->ext_password_backend
)
1032 fprintf(f
, "ext_password_backend=%s\n",
1033 config
->ext_password_backend
);
1034 if (config
->p2p_go_max_inactivity
!= DEFAULT_P2P_GO_MAX_INACTIVITY
)
1035 fprintf(f
, "p2p_go_max_inactivity=%d\n",
1036 config
->p2p_go_max_inactivity
);
1037 if (config
->auto_interworking
)
1038 fprintf(f
, "auto_interworking=%d\n",
1039 config
->auto_interworking
);
1041 fprintf(f
, "okc=%d\n", config
->okc
);
1043 fprintf(f
, "pmf=%d\n", config
->pmf
);
1044 if (config
->dtim_period
)
1045 fprintf(f
, "dtim_period=%d\n", config
->dtim_period
);
1046 if (config
->beacon_int
)
1047 fprintf(f
, "beacon_int=%d\n", config
->beacon_int
);
1049 if (config
->sae_groups
) {
1051 fprintf(f
, "sae_groups=");
1052 for (i
= 0; config
->sae_groups
[i
] >= 0; i
++) {
1053 fprintf(f
, "%s%d", i
> 0 ? " " : "",
1054 config
->sae_groups
[i
]);
1059 if (config
->ap_vendor_elements
) {
1060 int i
, len
= wpabuf_len(config
->ap_vendor_elements
);
1061 const u8
*p
= wpabuf_head_u8(config
->ap_vendor_elements
);
1063 fprintf(f
, "ap_vendor_elements=");
1064 for (i
= 0; i
< len
; i
++)
1065 fprintf(f
, "%02x", *p
++);
1070 if (config
->ignore_old_scan_res
)
1071 fprintf(f
, "ignore_old_scan_res=%d\n",
1072 config
->ignore_old_scan_res
);
1074 if (config
->freq_list
&& config
->freq_list
[0]) {
1076 fprintf(f
, "freq_list=");
1077 for (i
= 0; config
->freq_list
[i
]; i
++) {
1078 fprintf(f
, "%s%u", i
> 0 ? " " : "",
1079 config
->freq_list
[i
]);
1083 if (config
->scan_cur_freq
!= DEFAULT_SCAN_CUR_FREQ
)
1084 fprintf(f
, "scan_cur_freq=%d\n", config
->scan_cur_freq
);
1086 if (config
->sched_scan_interval
)
1087 fprintf(f
, "sched_scan_interval=%u\n",
1088 config
->sched_scan_interval
);
1090 if (config
->external_sim
)
1091 fprintf(f
, "external_sim=%d\n", config
->external_sim
);
1093 if (config
->tdls_external_control
)
1094 fprintf(f
, "tdls_external_control=%d\n",
1095 config
->tdls_external_control
);
1098 #endif /* CONFIG_NO_CONFIG_WRITE */
1101 int wpa_config_write(const char *name
, struct wpa_config
*config
)
1103 #ifndef CONFIG_NO_CONFIG_WRITE
1105 struct wpa_ssid
*ssid
;
1106 struct wpa_cred
*cred
;
1107 #ifndef CONFIG_NO_CONFIG_BLOBS
1108 struct wpa_config_blob
*blob
;
1109 #endif /* CONFIG_NO_CONFIG_BLOBS */
1112 wpa_printf(MSG_DEBUG
, "Writing configuration file '%s'", name
);
1114 f
= fopen(name
, "w");
1116 wpa_printf(MSG_DEBUG
, "Failed to open '%s' for writing", name
);
1120 wpa_config_write_global(f
, config
);
1122 for (cred
= config
->cred
; cred
; cred
= cred
->next
) {
1123 if (cred
->temporary
)
1125 fprintf(f
, "\ncred={\n");
1126 wpa_config_write_cred(f
, cred
);
1130 for (ssid
= config
->ssid
; ssid
; ssid
= ssid
->next
) {
1131 if (ssid
->key_mgmt
== WPA_KEY_MGMT_WPS
|| ssid
->temporary
)
1132 continue; /* do not save temporary networks */
1133 if (wpa_key_mgmt_wpa_psk(ssid
->key_mgmt
) && !ssid
->psk_set
&&
1135 continue; /* do not save invalid network */
1136 fprintf(f
, "\nnetwork={\n");
1137 wpa_config_write_network(f
, ssid
);
1141 #ifndef CONFIG_NO_CONFIG_BLOBS
1142 for (blob
= config
->blobs
; blob
; blob
= blob
->next
) {
1143 ret
= wpa_config_write_blob(f
, blob
);
1147 #endif /* CONFIG_NO_CONFIG_BLOBS */
1151 wpa_printf(MSG_DEBUG
, "Configuration file '%s' written %ssuccessfully",
1152 name
, ret
? "un" : "");
1154 #else /* CONFIG_NO_CONFIG_WRITE */
1156 #endif /* CONFIG_NO_CONFIG_WRITE */