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
;
146 if (ssid
->mode
== WPAS_MODE_MESH
&&
147 (ssid
->key_mgmt
!= WPA_KEY_MGMT_NONE
&&
148 ssid
->key_mgmt
!= WPA_KEY_MGMT_SAE
)) {
149 wpa_printf(MSG_ERROR
,
150 "Line %d: key_mgmt for mesh network should be open or SAE",
159 static struct wpa_ssid
* wpa_config_read_network(FILE *f
, int *line
, int id
)
161 struct wpa_ssid
*ssid
;
162 int errors
= 0, end
= 0;
163 char buf
[2000], *pos
, *pos2
;
165 wpa_printf(MSG_MSGDUMP
, "Line: %d - start of a new network block",
167 ssid
= os_zalloc(sizeof(*ssid
));
170 dl_list_init(&ssid
->psk_list
);
173 wpa_config_set_network_defaults(ssid
);
175 while (wpa_config_get_line(buf
, sizeof(buf
), f
, line
, &pos
)) {
176 if (os_strcmp(pos
, "}") == 0) {
181 pos2
= os_strchr(pos
, '=');
183 wpa_printf(MSG_ERROR
, "Line %d: Invalid SSID line "
184 "'%s'.", *line
, pos
);
191 if (os_strchr(pos2
+ 1, '"') == NULL
) {
192 wpa_printf(MSG_ERROR
, "Line %d: invalid "
193 "quotation '%s'.", *line
, pos2
);
199 if (wpa_config_set(ssid
, pos
, pos2
, *line
) < 0)
204 wpa_printf(MSG_ERROR
, "Line %d: network block was not "
205 "terminated properly.", *line
);
209 errors
+= wpa_config_validate_network(ssid
, *line
);
212 wpa_config_free_ssid(ssid
);
220 static struct wpa_cred
* wpa_config_read_cred(FILE *f
, int *line
, int id
)
222 struct wpa_cred
*cred
;
223 int errors
= 0, end
= 0;
224 char buf
[256], *pos
, *pos2
;
226 wpa_printf(MSG_MSGDUMP
, "Line: %d - start of a new cred block", *line
);
227 cred
= os_zalloc(sizeof(*cred
));
231 cred
->sim_num
= DEFAULT_USER_SELECTED_SIM
;
233 while (wpa_config_get_line(buf
, sizeof(buf
), f
, line
, &pos
)) {
234 if (os_strcmp(pos
, "}") == 0) {
239 pos2
= os_strchr(pos
, '=');
241 wpa_printf(MSG_ERROR
, "Line %d: Invalid cred line "
242 "'%s'.", *line
, pos
);
249 if (os_strchr(pos2
+ 1, '"') == NULL
) {
250 wpa_printf(MSG_ERROR
, "Line %d: invalid "
251 "quotation '%s'.", *line
, pos2
);
257 if (wpa_config_set_cred(cred
, pos
, pos2
, *line
) < 0)
262 wpa_printf(MSG_ERROR
, "Line %d: cred block was not "
263 "terminated properly.", *line
);
268 wpa_config_free_cred(cred
);
276 #ifndef CONFIG_NO_CONFIG_BLOBS
277 static struct wpa_config_blob
* wpa_config_read_blob(FILE *f
, int *line
,
280 struct wpa_config_blob
*blob
;
282 unsigned char *encoded
= NULL
, *nencoded
;
284 size_t encoded_len
= 0, len
;
286 wpa_printf(MSG_MSGDUMP
, "Line: %d - start of a new named blob '%s'",
289 while (wpa_config_get_line(buf
, sizeof(buf
), f
, line
, &pos
)) {
290 if (os_strcmp(pos
, "}") == 0) {
295 len
= os_strlen(pos
);
296 nencoded
= os_realloc(encoded
, encoded_len
+ len
);
297 if (nencoded
== NULL
) {
298 wpa_printf(MSG_ERROR
, "Line %d: not enough memory for "
304 os_memcpy(encoded
+ encoded_len
, pos
, len
);
309 wpa_printf(MSG_ERROR
, "Line %d: blob was not terminated "
315 blob
= os_zalloc(sizeof(*blob
));
320 blob
->name
= os_strdup(name
);
321 blob
->data
= base64_decode(encoded
, encoded_len
, &blob
->len
);
324 if (blob
->name
== NULL
|| blob
->data
== NULL
) {
325 wpa_config_free_blob(blob
);
333 static int wpa_config_process_blob(struct wpa_config
*config
, FILE *f
,
334 int *line
, char *bname
)
337 struct wpa_config_blob
*blob
;
339 name_end
= os_strchr(bname
, '=');
340 if (name_end
== NULL
) {
341 wpa_printf(MSG_ERROR
, "Line %d: no blob name terminator",
347 blob
= wpa_config_read_blob(f
, line
, bname
);
349 wpa_printf(MSG_ERROR
, "Line %d: failed to read blob %s",
353 wpa_config_set_blob(config
, blob
);
356 #endif /* CONFIG_NO_CONFIG_BLOBS */
359 struct wpa_config
* wpa_config_read(const char *name
, struct wpa_config
*cfgp
)
363 int errors
= 0, line
= 0;
364 struct wpa_ssid
*ssid
, *tail
, *head
;
365 struct wpa_cred
*cred
, *cred_tail
, *cred_head
;
366 struct wpa_config
*config
;
375 config
= wpa_config_alloc_empty(NULL
, NULL
);
376 if (config
== NULL
) {
377 wpa_printf(MSG_ERROR
, "Failed to allocate config file "
381 tail
= head
= config
->ssid
;
382 while (tail
&& tail
->next
)
384 cred_tail
= cred_head
= config
->cred
;
385 while (cred_tail
&& cred_tail
->next
)
386 cred_tail
= cred_tail
->next
;
388 wpa_printf(MSG_DEBUG
, "Reading configuration file '%s'", name
);
389 f
= fopen(name
, "r");
391 wpa_printf(MSG_ERROR
, "Failed to open config file '%s', "
392 "error: %s", name
, strerror(errno
));
397 while (wpa_config_get_line(buf
, sizeof(buf
), f
, &line
, &pos
)) {
398 if (os_strcmp(pos
, "network={") == 0) {
399 ssid
= wpa_config_read_network(f
, &line
, id
++);
401 wpa_printf(MSG_ERROR
, "Line %d: failed to "
402 "parse network block.", line
);
412 if (wpa_config_add_prio_network(config
, ssid
)) {
413 wpa_printf(MSG_ERROR
, "Line %d: failed to add "
414 "network block to priority list.",
419 } else if (os_strcmp(pos
, "cred={") == 0) {
420 cred
= wpa_config_read_cred(f
, &line
, cred_id
++);
422 wpa_printf(MSG_ERROR
, "Line %d: failed to "
423 "parse cred block.", line
);
427 if (cred_head
== NULL
) {
428 cred_head
= cred_tail
= cred
;
430 cred_tail
->next
= cred
;
433 #ifndef CONFIG_NO_CONFIG_BLOBS
434 } else if (os_strncmp(pos
, "blob-base64-", 12) == 0) {
435 if (wpa_config_process_blob(config
, f
, &line
, pos
+ 12)
437 wpa_printf(MSG_ERROR
, "Line %d: failed to "
438 "process blob.", line
);
442 #endif /* CONFIG_NO_CONFIG_BLOBS */
443 } else if (wpa_config_process_global(config
, pos
, line
) < 0) {
444 wpa_printf(MSG_ERROR
, "Line %d: Invalid configuration "
445 "line '%s'.", line
, pos
);
454 wpa_config_debug_dump_networks(config
);
455 config
->cred
= cred_head
;
457 #ifndef WPA_IGNORE_CONFIG_ERRORS
459 wpa_config_free(config
);
463 #endif /* WPA_IGNORE_CONFIG_ERRORS */
469 #ifndef CONFIG_NO_CONFIG_WRITE
471 static void write_str(FILE *f
, const char *field
, struct wpa_ssid
*ssid
)
473 char *value
= wpa_config_get(ssid
, field
);
476 fprintf(f
, "\t%s=%s\n", field
, value
);
481 static void write_int(FILE *f
, const char *field
, int value
, int def
)
485 fprintf(f
, "\t%s=%d\n", field
, value
);
489 static void write_bssid(FILE *f
, struct wpa_ssid
*ssid
)
491 char *value
= wpa_config_get(ssid
, "bssid");
494 fprintf(f
, "\tbssid=%s\n", value
);
499 static void write_psk(FILE *f
, struct wpa_ssid
*ssid
)
501 char *value
= wpa_config_get(ssid
, "psk");
504 fprintf(f
, "\tpsk=%s\n", value
);
509 static void write_proto(FILE *f
, struct wpa_ssid
*ssid
)
513 if (ssid
->proto
== DEFAULT_PROTO
)
516 value
= wpa_config_get(ssid
, "proto");
520 fprintf(f
, "\tproto=%s\n", value
);
525 static void write_key_mgmt(FILE *f
, struct wpa_ssid
*ssid
)
529 if (ssid
->key_mgmt
== DEFAULT_KEY_MGMT
)
532 value
= wpa_config_get(ssid
, "key_mgmt");
536 fprintf(f
, "\tkey_mgmt=%s\n", value
);
541 static void write_pairwise(FILE *f
, struct wpa_ssid
*ssid
)
545 if (ssid
->pairwise_cipher
== DEFAULT_PAIRWISE
)
548 value
= wpa_config_get(ssid
, "pairwise");
552 fprintf(f
, "\tpairwise=%s\n", value
);
557 static void write_group(FILE *f
, struct wpa_ssid
*ssid
)
561 if (ssid
->group_cipher
== DEFAULT_GROUP
)
564 value
= wpa_config_get(ssid
, "group");
568 fprintf(f
, "\tgroup=%s\n", value
);
573 static void write_auth_alg(FILE *f
, struct wpa_ssid
*ssid
)
577 if (ssid
->auth_alg
== 0)
580 value
= wpa_config_get(ssid
, "auth_alg");
584 fprintf(f
, "\tauth_alg=%s\n", value
);
589 #ifdef IEEE8021X_EAPOL
590 static void write_eap(FILE *f
, struct wpa_ssid
*ssid
)
594 value
= wpa_config_get(ssid
, "eap");
599 fprintf(f
, "\teap=%s\n", value
);
602 #endif /* IEEE8021X_EAPOL */
605 static void write_wep_key(FILE *f
, int idx
, struct wpa_ssid
*ssid
)
607 char field
[20], *value
;
610 res
= os_snprintf(field
, sizeof(field
), "wep_key%d", idx
);
611 if (os_snprintf_error(sizeof(field
), res
))
613 value
= wpa_config_get(ssid
, field
);
615 fprintf(f
, "\t%s=%s\n", field
, value
);
623 static void write_go_p2p_dev_addr(FILE *f
, struct wpa_ssid
*ssid
)
625 char *value
= wpa_config_get(ssid
, "go_p2p_dev_addr");
628 fprintf(f
, "\tgo_p2p_dev_addr=%s\n", value
);
632 static void write_p2p_client_list(FILE *f
, struct wpa_ssid
*ssid
)
634 char *value
= wpa_config_get(ssid
, "p2p_client_list");
637 fprintf(f
, "\tp2p_client_list=%s\n", value
);
642 static void write_psk_list(FILE *f
, struct wpa_ssid
*ssid
)
644 struct psk_list_entry
*psk
;
645 char hex
[32 * 2 + 1];
647 dl_list_for_each(psk
, &ssid
->psk_list
, struct psk_list_entry
, list
) {
648 wpa_snprintf_hex(hex
, sizeof(hex
), psk
->psk
, sizeof(psk
->psk
));
649 fprintf(f
, "\tpsk_list=%s" MACSTR
"-%s\n",
650 psk
->p2p
? "P2P-" : "", MAC2STR(psk
->addr
), hex
);
654 #endif /* CONFIG_P2P */
657 static void wpa_config_write_network(FILE *f
, struct wpa_ssid
*ssid
)
661 #define STR(t) write_str(f, #t, ssid)
662 #define INT(t) write_int(f, #t, ssid->t, 0)
663 #define INTe(t) write_int(f, #t, ssid->eap.t, 0)
664 #define INT_DEF(t, def) write_int(f, #t, ssid->t, def)
665 #define INT_DEFe(t, def) write_int(f, #t, ssid->eap.t, def)
669 write_bssid(f
, ssid
);
671 write_proto(f
, ssid
);
672 write_key_mgmt(f
, ssid
);
673 INT_DEF(bg_scan_period
, DEFAULT_BG_SCAN_PERIOD
);
674 write_pairwise(f
, ssid
);
675 write_group(f
, ssid
);
676 write_auth_alg(f
, ssid
);
680 #ifdef IEEE8021X_EAPOL
683 STR(anonymous_identity
);
689 STR(private_key_passwd
);
692 STR(altsubject_match
);
693 STR(domain_suffix_match
);
698 STR(private_key2_passwd
);
701 STR(altsubject_match2
);
702 STR(domain_suffix_match2
);
718 INT_DEF(eapol_flags
, DEFAULT_EAPOL_FLAGS
);
720 #endif /* IEEE8021X_EAPOL */
721 for (i
= 0; i
< 4; i
++)
722 write_wep_key(f
, i
, ssid
);
725 #ifdef IEEE8021X_EAPOL
726 INT_DEF(eap_workaround
, DEFAULT_EAP_WORKAROUND
);
728 INT_DEFe(fragment_size
, DEFAULT_FRAGMENT_SIZE
);
730 INT_DEFe(sim_num
, DEFAULT_USER_SELECTED_SIM
);
731 #endif /* IEEE8021X_EAPOL */
734 write_int(f
, "proactive_key_caching", ssid
->proactive_key_caching
, -1);
737 #ifdef CONFIG_IEEE80211W
738 write_int(f
, "ieee80211w", ssid
->ieee80211w
,
739 MGMT_FRAME_PROTECTION_DEFAULT
);
740 #endif /* CONFIG_IEEE80211W */
743 write_go_p2p_dev_addr(f
, ssid
);
744 write_p2p_client_list(f
, ssid
);
745 write_psk_list(f
, ssid
);
746 #endif /* CONFIG_P2P */
751 #endif /* CONFIG_MACSEC */
753 INT(update_identifier
);
754 #endif /* CONFIG_HS20 */
755 write_int(f
, "mac_addr", ssid
->mac_addr
, -1);
758 STR(mesh_basic_rates
);
759 INT_DEF(dot11MeshMaxRetries
, DEFAULT_MESH_MAX_RETRIES
);
760 INT_DEF(dot11MeshRetryTimeout
, DEFAULT_MESH_RETRY_TIMEOUT
);
761 INT_DEF(dot11MeshConfirmTimeout
, DEFAULT_MESH_CONFIRM_TIMEOUT
);
762 INT_DEF(dot11MeshHoldingTimeout
, DEFAULT_MESH_HOLDING_TIMEOUT
);
763 #endif /* CONFIG_MESH */
771 static void wpa_config_write_cred(FILE *f
, struct wpa_cred
*cred
)
776 fprintf(f
, "\tpriority=%d\n", cred
->priority
);
778 fprintf(f
, "\tpcsc=%d\n", cred
->pcsc
);
780 fprintf(f
, "\trealm=\"%s\"\n", cred
->realm
);
782 fprintf(f
, "\tusername=\"%s\"\n", cred
->username
);
783 if (cred
->password
&& cred
->ext_password
)
784 fprintf(f
, "\tpassword=ext:%s\n", cred
->password
);
785 else if (cred
->password
)
786 fprintf(f
, "\tpassword=\"%s\"\n", cred
->password
);
788 fprintf(f
, "\tca_cert=\"%s\"\n", cred
->ca_cert
);
789 if (cred
->client_cert
)
790 fprintf(f
, "\tclient_cert=\"%s\"\n", cred
->client_cert
);
791 if (cred
->private_key
)
792 fprintf(f
, "\tprivate_key=\"%s\"\n", cred
->private_key
);
793 if (cred
->private_key_passwd
)
794 fprintf(f
, "\tprivate_key_passwd=\"%s\"\n",
795 cred
->private_key_passwd
);
797 fprintf(f
, "\timsi=\"%s\"\n", cred
->imsi
);
799 fprintf(f
, "\tmilenage=\"%s\"\n", cred
->milenage
);
800 for (i
= 0; i
< cred
->num_domain
; i
++)
801 fprintf(f
, "\tdomain=\"%s\"\n", cred
->domain
[i
]);
802 if (cred
->domain_suffix_match
)
803 fprintf(f
, "\tdomain_suffix_match=\"%s\"\n",
804 cred
->domain_suffix_match
);
805 if (cred
->roaming_consortium_len
) {
806 fprintf(f
, "\troaming_consortium=");
807 for (i
= 0; i
< cred
->roaming_consortium_len
; i
++)
808 fprintf(f
, "%02x", cred
->roaming_consortium
[i
]);
811 if (cred
->eap_method
) {
813 name
= eap_get_name(cred
->eap_method
[0].vendor
,
814 cred
->eap_method
[0].method
);
816 fprintf(f
, "\teap=%s\n", name
);
819 fprintf(f
, "\tphase1=\"%s\"\n", cred
->phase1
);
821 fprintf(f
, "\tphase2=\"%s\"\n", cred
->phase2
);
822 if (cred
->excluded_ssid
) {
824 for (i
= 0; i
< cred
->num_excluded_ssid
; i
++) {
825 struct excluded_ssid
*e
= &cred
->excluded_ssid
[i
];
826 fprintf(f
, "\texcluded_ssid=");
827 for (j
= 0; j
< e
->ssid_len
; j
++)
828 fprintf(f
, "%02x", e
->ssid
[j
]);
832 if (cred
->roaming_partner
) {
833 for (i
= 0; i
< cred
->num_roaming_partner
; i
++) {
834 struct roaming_partner
*p
= &cred
->roaming_partner
[i
];
835 fprintf(f
, "\troaming_partner=\"%s,%d,%u,%s\"\n",
836 p
->fqdn
, p
->exact_match
, p
->priority
,
840 if (cred
->update_identifier
)
841 fprintf(f
, "\tupdate_identifier=%d\n", cred
->update_identifier
);
843 if (cred
->provisioning_sp
)
844 fprintf(f
, "\tprovisioning_sp=\"%s\"\n", cred
->provisioning_sp
);
845 if (cred
->sp_priority
)
846 fprintf(f
, "\tsp_priority=%d\n", cred
->sp_priority
);
848 if (cred
->min_dl_bandwidth_home
)
849 fprintf(f
, "\tmin_dl_bandwidth_home=%u\n",
850 cred
->min_dl_bandwidth_home
);
851 if (cred
->min_ul_bandwidth_home
)
852 fprintf(f
, "\tmin_ul_bandwidth_home=%u\n",
853 cred
->min_ul_bandwidth_home
);
854 if (cred
->min_dl_bandwidth_roaming
)
855 fprintf(f
, "\tmin_dl_bandwidth_roaming=%u\n",
856 cred
->min_dl_bandwidth_roaming
);
857 if (cred
->min_ul_bandwidth_roaming
)
858 fprintf(f
, "\tmin_ul_bandwidth_roaming=%u\n",
859 cred
->min_ul_bandwidth_roaming
);
861 if (cred
->max_bss_load
)
862 fprintf(f
, "\tmax_bss_load=%u\n",
866 fprintf(f
, "\tocsp=%d\n", cred
->ocsp
);
868 if (cred
->num_req_conn_capab
) {
869 for (i
= 0; i
< cred
->num_req_conn_capab
; i
++) {
872 fprintf(f
, "\treq_conn_capab=%u",
873 cred
->req_conn_capab_proto
[i
]);
874 ports
= cred
->req_conn_capab_port
[i
];
877 for (j
= 0; ports
[j
] != -1; j
++) {
878 fprintf(f
, "%s%d", j
> 0 ? "," : ":",
886 if (cred
->required_roaming_consortium_len
) {
887 fprintf(f
, "\trequired_roaming_consortium=");
888 for (i
= 0; i
< cred
->required_roaming_consortium_len
; i
++)
890 cred
->required_roaming_consortium
[i
]);
894 if (cred
->sim_num
!= DEFAULT_USER_SELECTED_SIM
)
895 fprintf(f
, "\tsim_num=%d\n", cred
->sim_num
);
899 #ifndef CONFIG_NO_CONFIG_BLOBS
900 static int wpa_config_write_blob(FILE *f
, struct wpa_config_blob
*blob
)
902 unsigned char *encoded
;
904 encoded
= base64_encode(blob
->data
, blob
->len
, NULL
);
908 fprintf(f
, "\nblob-base64-%s={\n%s}\n", blob
->name
, encoded
);
912 #endif /* CONFIG_NO_CONFIG_BLOBS */
915 static void write_global_bin(FILE *f
, const char *field
,
916 const struct wpabuf
*val
)
924 fprintf(f
, "%s=", field
);
925 pos
= wpabuf_head(val
);
926 for (i
= 0; i
< wpabuf_len(val
); i
++)
927 fprintf(f
, "%02X", *pos
++);
932 static void wpa_config_write_global(FILE *f
, struct wpa_config
*config
)
934 #ifdef CONFIG_CTRL_IFACE
935 if (config
->ctrl_interface
)
936 fprintf(f
, "ctrl_interface=%s\n", config
->ctrl_interface
);
937 if (config
->ctrl_interface_group
)
938 fprintf(f
, "ctrl_interface_group=%s\n",
939 config
->ctrl_interface_group
);
940 #endif /* CONFIG_CTRL_IFACE */
941 if (config
->eapol_version
!= DEFAULT_EAPOL_VERSION
)
942 fprintf(f
, "eapol_version=%d\n", config
->eapol_version
);
943 if (config
->ap_scan
!= DEFAULT_AP_SCAN
)
944 fprintf(f
, "ap_scan=%d\n", config
->ap_scan
);
945 if (config
->disable_scan_offload
)
946 fprintf(f
, "disable_scan_offload=%d\n",
947 config
->disable_scan_offload
);
948 if (config
->fast_reauth
!= DEFAULT_FAST_REAUTH
)
949 fprintf(f
, "fast_reauth=%d\n", config
->fast_reauth
);
950 if (config
->opensc_engine_path
)
951 fprintf(f
, "opensc_engine_path=%s\n",
952 config
->opensc_engine_path
);
953 if (config
->pkcs11_engine_path
)
954 fprintf(f
, "pkcs11_engine_path=%s\n",
955 config
->pkcs11_engine_path
);
956 if (config
->pkcs11_module_path
)
957 fprintf(f
, "pkcs11_module_path=%s\n",
958 config
->pkcs11_module_path
);
959 if (config
->openssl_ciphers
)
960 fprintf(f
, "openssl_ciphers=%s\n", config
->openssl_ciphers
);
961 if (config
->pcsc_reader
)
962 fprintf(f
, "pcsc_reader=%s\n", config
->pcsc_reader
);
963 if (config
->pcsc_pin
)
964 fprintf(f
, "pcsc_pin=%s\n", config
->pcsc_pin
);
965 if (config
->driver_param
)
966 fprintf(f
, "driver_param=%s\n", config
->driver_param
);
967 if (config
->dot11RSNAConfigPMKLifetime
)
968 fprintf(f
, "dot11RSNAConfigPMKLifetime=%d\n",
969 config
->dot11RSNAConfigPMKLifetime
);
970 if (config
->dot11RSNAConfigPMKReauthThreshold
)
971 fprintf(f
, "dot11RSNAConfigPMKReauthThreshold=%d\n",
972 config
->dot11RSNAConfigPMKReauthThreshold
);
973 if (config
->dot11RSNAConfigSATimeout
)
974 fprintf(f
, "dot11RSNAConfigSATimeout=%d\n",
975 config
->dot11RSNAConfigSATimeout
);
976 if (config
->update_config
)
977 fprintf(f
, "update_config=%d\n", config
->update_config
);
979 if (!is_nil_uuid(config
->uuid
)) {
981 uuid_bin2str(config
->uuid
, buf
, sizeof(buf
));
982 fprintf(f
, "uuid=%s\n", buf
);
984 if (config
->device_name
)
985 fprintf(f
, "device_name=%s\n", config
->device_name
);
986 if (config
->manufacturer
)
987 fprintf(f
, "manufacturer=%s\n", config
->manufacturer
);
988 if (config
->model_name
)
989 fprintf(f
, "model_name=%s\n", config
->model_name
);
990 if (config
->model_number
)
991 fprintf(f
, "model_number=%s\n", config
->model_number
);
992 if (config
->serial_number
)
993 fprintf(f
, "serial_number=%s\n", config
->serial_number
);
995 char _buf
[WPS_DEV_TYPE_BUFSIZE
], *buf
;
996 buf
= wps_dev_type_bin2str(config
->device_type
,
998 if (os_strcmp(buf
, "0-00000000-0") != 0)
999 fprintf(f
, "device_type=%s\n", buf
);
1001 if (WPA_GET_BE32(config
->os_version
))
1002 fprintf(f
, "os_version=%08x\n",
1003 WPA_GET_BE32(config
->os_version
));
1004 if (config
->config_methods
)
1005 fprintf(f
, "config_methods=%s\n", config
->config_methods
);
1006 if (config
->wps_cred_processing
)
1007 fprintf(f
, "wps_cred_processing=%d\n",
1008 config
->wps_cred_processing
);
1009 if (config
->wps_vendor_ext_m1
) {
1010 int i
, len
= wpabuf_len(config
->wps_vendor_ext_m1
);
1011 const u8
*p
= wpabuf_head_u8(config
->wps_vendor_ext_m1
);
1013 fprintf(f
, "wps_vendor_ext_m1=");
1014 for (i
= 0; i
< len
; i
++)
1015 fprintf(f
, "%02x", *p
++);
1019 #endif /* CONFIG_WPS */
1021 if (config
->p2p_listen_reg_class
)
1022 fprintf(f
, "p2p_listen_reg_class=%u\n",
1023 config
->p2p_listen_reg_class
);
1024 if (config
->p2p_listen_channel
)
1025 fprintf(f
, "p2p_listen_channel=%u\n",
1026 config
->p2p_listen_channel
);
1027 if (config
->p2p_oper_reg_class
)
1028 fprintf(f
, "p2p_oper_reg_class=%u\n",
1029 config
->p2p_oper_reg_class
);
1030 if (config
->p2p_oper_channel
)
1031 fprintf(f
, "p2p_oper_channel=%u\n", config
->p2p_oper_channel
);
1032 if (config
->p2p_go_intent
!= DEFAULT_P2P_GO_INTENT
)
1033 fprintf(f
, "p2p_go_intent=%u\n", config
->p2p_go_intent
);
1034 if (config
->p2p_ssid_postfix
)
1035 fprintf(f
, "p2p_ssid_postfix=%s\n", config
->p2p_ssid_postfix
);
1036 if (config
->persistent_reconnect
)
1037 fprintf(f
, "persistent_reconnect=%u\n",
1038 config
->persistent_reconnect
);
1039 if (config
->p2p_intra_bss
!= DEFAULT_P2P_INTRA_BSS
)
1040 fprintf(f
, "p2p_intra_bss=%u\n", config
->p2p_intra_bss
);
1041 if (config
->p2p_group_idle
)
1042 fprintf(f
, "p2p_group_idle=%u\n", config
->p2p_group_idle
);
1043 if (config
->p2p_passphrase_len
)
1044 fprintf(f
, "p2p_passphrase_len=%u\n",
1045 config
->p2p_passphrase_len
);
1046 if (config
->p2p_pref_chan
) {
1048 fprintf(f
, "p2p_pref_chan=");
1049 for (i
= 0; i
< config
->num_p2p_pref_chan
; i
++) {
1050 fprintf(f
, "%s%u:%u", i
> 0 ? "," : "",
1051 config
->p2p_pref_chan
[i
].op_class
,
1052 config
->p2p_pref_chan
[i
].chan
);
1056 if (config
->p2p_no_go_freq
.num
) {
1057 char *val
= freq_range_list_str(&config
->p2p_no_go_freq
);
1059 fprintf(f
, "p2p_no_go_freq=%s\n", val
);
1063 if (config
->p2p_add_cli_chan
)
1064 fprintf(f
, "p2p_add_cli_chan=%d\n", config
->p2p_add_cli_chan
);
1065 if (config
->p2p_optimize_listen_chan
!=
1066 DEFAULT_P2P_OPTIMIZE_LISTEN_CHAN
)
1067 fprintf(f
, "p2p_optimize_listen_chan=%d\n",
1068 config
->p2p_optimize_listen_chan
);
1069 if (config
->p2p_go_ht40
)
1070 fprintf(f
, "p2p_go_ht40=%u\n", config
->p2p_go_ht40
);
1071 if (config
->p2p_go_vht
)
1072 fprintf(f
, "p2p_go_vht=%u\n", config
->p2p_go_vht
);
1073 if (config
->p2p_disabled
)
1074 fprintf(f
, "p2p_disabled=%u\n", config
->p2p_disabled
);
1075 if (config
->p2p_no_group_iface
)
1076 fprintf(f
, "p2p_no_group_iface=%u\n",
1077 config
->p2p_no_group_iface
);
1078 if (config
->p2p_ignore_shared_freq
)
1079 fprintf(f
, "p2p_ignore_shared_freq=%u\n",
1080 config
->p2p_ignore_shared_freq
);
1081 #endif /* CONFIG_P2P */
1082 if (config
->country
[0] && config
->country
[1]) {
1083 fprintf(f
, "country=%c%c\n",
1084 config
->country
[0], config
->country
[1]);
1086 if (config
->bss_max_count
!= DEFAULT_BSS_MAX_COUNT
)
1087 fprintf(f
, "bss_max_count=%u\n", config
->bss_max_count
);
1088 if (config
->bss_expiration_age
!= DEFAULT_BSS_EXPIRATION_AGE
)
1089 fprintf(f
, "bss_expiration_age=%u\n",
1090 config
->bss_expiration_age
);
1091 if (config
->bss_expiration_scan_count
!=
1092 DEFAULT_BSS_EXPIRATION_SCAN_COUNT
)
1093 fprintf(f
, "bss_expiration_scan_count=%u\n",
1094 config
->bss_expiration_scan_count
);
1095 if (config
->filter_ssids
)
1096 fprintf(f
, "filter_ssids=%d\n", config
->filter_ssids
);
1097 if (config
->max_num_sta
!= DEFAULT_MAX_NUM_STA
)
1098 fprintf(f
, "max_num_sta=%u\n", config
->max_num_sta
);
1099 if (config
->disassoc_low_ack
)
1100 fprintf(f
, "disassoc_low_ack=%u\n", config
->disassoc_low_ack
);
1103 fprintf(f
, "hs20=1\n");
1104 #endif /* CONFIG_HS20 */
1105 #ifdef CONFIG_INTERWORKING
1106 if (config
->interworking
)
1107 fprintf(f
, "interworking=%u\n", config
->interworking
);
1108 if (!is_zero_ether_addr(config
->hessid
))
1109 fprintf(f
, "hessid=" MACSTR
"\n", MAC2STR(config
->hessid
));
1110 if (config
->access_network_type
!= DEFAULT_ACCESS_NETWORK_TYPE
)
1111 fprintf(f
, "access_network_type=%d\n",
1112 config
->access_network_type
);
1113 #endif /* CONFIG_INTERWORKING */
1114 if (config
->pbc_in_m1
)
1115 fprintf(f
, "pbc_in_m1=%u\n", config
->pbc_in_m1
);
1116 if (config
->wps_nfc_pw_from_config
) {
1117 if (config
->wps_nfc_dev_pw_id
)
1118 fprintf(f
, "wps_nfc_dev_pw_id=%d\n",
1119 config
->wps_nfc_dev_pw_id
);
1120 write_global_bin(f
, "wps_nfc_dh_pubkey",
1121 config
->wps_nfc_dh_pubkey
);
1122 write_global_bin(f
, "wps_nfc_dh_privkey",
1123 config
->wps_nfc_dh_privkey
);
1124 write_global_bin(f
, "wps_nfc_dev_pw", config
->wps_nfc_dev_pw
);
1127 if (config
->ext_password_backend
)
1128 fprintf(f
, "ext_password_backend=%s\n",
1129 config
->ext_password_backend
);
1130 if (config
->p2p_go_max_inactivity
!= DEFAULT_P2P_GO_MAX_INACTIVITY
)
1131 fprintf(f
, "p2p_go_max_inactivity=%d\n",
1132 config
->p2p_go_max_inactivity
);
1133 if (config
->auto_interworking
)
1134 fprintf(f
, "auto_interworking=%d\n",
1135 config
->auto_interworking
);
1137 fprintf(f
, "okc=%d\n", config
->okc
);
1139 fprintf(f
, "pmf=%d\n", config
->pmf
);
1140 if (config
->dtim_period
)
1141 fprintf(f
, "dtim_period=%d\n", config
->dtim_period
);
1142 if (config
->beacon_int
)
1143 fprintf(f
, "beacon_int=%d\n", config
->beacon_int
);
1145 if (config
->sae_groups
) {
1147 fprintf(f
, "sae_groups=");
1148 for (i
= 0; config
->sae_groups
[i
] >= 0; i
++) {
1149 fprintf(f
, "%s%d", i
> 0 ? " " : "",
1150 config
->sae_groups
[i
]);
1155 if (config
->ap_vendor_elements
) {
1156 int i
, len
= wpabuf_len(config
->ap_vendor_elements
);
1157 const u8
*p
= wpabuf_head_u8(config
->ap_vendor_elements
);
1159 fprintf(f
, "ap_vendor_elements=");
1160 for (i
= 0; i
< len
; i
++)
1161 fprintf(f
, "%02x", *p
++);
1166 if (config
->ignore_old_scan_res
)
1167 fprintf(f
, "ignore_old_scan_res=%d\n",
1168 config
->ignore_old_scan_res
);
1170 if (config
->freq_list
&& config
->freq_list
[0]) {
1172 fprintf(f
, "freq_list=");
1173 for (i
= 0; config
->freq_list
[i
]; i
++) {
1174 fprintf(f
, "%s%u", i
> 0 ? " " : "",
1175 config
->freq_list
[i
]);
1179 if (config
->scan_cur_freq
!= DEFAULT_SCAN_CUR_FREQ
)
1180 fprintf(f
, "scan_cur_freq=%d\n", config
->scan_cur_freq
);
1182 if (config
->sched_scan_interval
)
1183 fprintf(f
, "sched_scan_interval=%u\n",
1184 config
->sched_scan_interval
);
1186 if (config
->external_sim
)
1187 fprintf(f
, "external_sim=%d\n", config
->external_sim
);
1189 if (config
->tdls_external_control
)
1190 fprintf(f
, "tdls_external_control=%d\n",
1191 config
->tdls_external_control
);
1193 if (config
->wowlan_triggers
)
1194 fprintf(f
, "wowlan_triggers=%s\n",
1195 config
->wowlan_triggers
);
1198 fprintf(f
, "bgscan=\"%s\"\n", config
->bgscan
);
1200 if (config
->p2p_search_delay
!= DEFAULT_P2P_SEARCH_DELAY
)
1201 fprintf(f
, "p2p_search_delay=%u\n",
1202 config
->p2p_search_delay
);
1204 if (config
->mac_addr
)
1205 fprintf(f
, "mac_addr=%d\n", config
->mac_addr
);
1207 if (config
->rand_addr_lifetime
!= DEFAULT_RAND_ADDR_LIFETIME
)
1208 fprintf(f
, "rand_addr_lifetime=%u\n",
1209 config
->rand_addr_lifetime
);
1211 if (config
->preassoc_mac_addr
)
1212 fprintf(f
, "preassoc_mac_addr=%d\n", config
->preassoc_mac_addr
);
1214 if (config
->key_mgmt_offload
!= DEFAULT_KEY_MGMT_OFFLOAD
)
1215 fprintf(f
, "key_mgmt_offload=%u\n", config
->key_mgmt_offload
);
1217 if (config
->user_mpm
!= DEFAULT_USER_MPM
)
1218 fprintf(f
, "user_mpm=%d\n", config
->user_mpm
);
1221 #endif /* CONFIG_NO_CONFIG_WRITE */
1224 int wpa_config_write(const char *name
, struct wpa_config
*config
)
1226 #ifndef CONFIG_NO_CONFIG_WRITE
1228 struct wpa_ssid
*ssid
;
1229 struct wpa_cred
*cred
;
1230 #ifndef CONFIG_NO_CONFIG_BLOBS
1231 struct wpa_config_blob
*blob
;
1232 #endif /* CONFIG_NO_CONFIG_BLOBS */
1235 wpa_printf(MSG_DEBUG
, "Writing configuration file '%s'", name
);
1237 f
= fopen(name
, "w");
1239 wpa_printf(MSG_DEBUG
, "Failed to open '%s' for writing", name
);
1243 wpa_config_write_global(f
, config
);
1245 for (cred
= config
->cred
; cred
; cred
= cred
->next
) {
1246 if (cred
->temporary
)
1248 fprintf(f
, "\ncred={\n");
1249 wpa_config_write_cred(f
, cred
);
1253 for (ssid
= config
->ssid
; ssid
; ssid
= ssid
->next
) {
1254 if (ssid
->key_mgmt
== WPA_KEY_MGMT_WPS
|| ssid
->temporary
)
1255 continue; /* do not save temporary networks */
1256 if (wpa_key_mgmt_wpa_psk(ssid
->key_mgmt
) && !ssid
->psk_set
&&
1258 continue; /* do not save invalid network */
1259 fprintf(f
, "\nnetwork={\n");
1260 wpa_config_write_network(f
, ssid
);
1264 #ifndef CONFIG_NO_CONFIG_BLOBS
1265 for (blob
= config
->blobs
; blob
; blob
= blob
->next
) {
1266 ret
= wpa_config_write_blob(f
, blob
);
1270 #endif /* CONFIG_NO_CONFIG_BLOBS */
1274 wpa_printf(MSG_DEBUG
, "Configuration file '%s' written %ssuccessfully",
1275 name
, ret
? "un" : "");
1277 #else /* CONFIG_NO_CONFIG_WRITE */
1279 #endif /* CONFIG_NO_CONFIG_WRITE */