2 * Interworking (IEEE 802.11u)
3 * Copyright (c) 2011-2012, Qualcomm Atheros, Inc.
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
12 #include "common/ieee802_11_defs.h"
13 #include "common/gas.h"
14 #include "common/wpa_ctrl.h"
15 #include "utils/pcsc_funcs.h"
16 #include "drivers/driver.h"
17 #include "eap_common/eap_defs.h"
18 #include "eap_peer/eap.h"
19 #include "eap_peer/eap_methods.h"
20 #include "wpa_supplicant_i.h"
22 #include "config_ssid.h"
26 #include "gas_query.h"
27 #include "hs20_supplicant.h"
28 #include "interworking.h"
31 #if defined(EAP_SIM) | defined(EAP_SIM_DYNAMIC)
32 #define INTERWORKING_3GPP
34 #if defined(EAP_AKA) | defined(EAP_AKA_DYNAMIC)
35 #define INTERWORKING_3GPP
37 #if defined(EAP_AKA_PRIME) | defined(EAP_AKA_PRIME_DYNAMIC)
38 #define INTERWORKING_3GPP
43 static void interworking_next_anqp_fetch(struct wpa_supplicant
*wpa_s
);
46 static void interworking_reconnect(struct wpa_supplicant
*wpa_s
)
48 if (wpa_s
->wpa_state
>= WPA_AUTHENTICATING
) {
49 wpa_supplicant_cancel_sched_scan(wpa_s
);
50 wpa_supplicant_deauthenticate(wpa_s
,
51 WLAN_REASON_DEAUTH_LEAVING
);
53 wpa_s
->disconnected
= 0;
54 wpa_s
->reassociate
= 1;
55 wpa_supplicant_req_scan(wpa_s
, 0, 0);
59 static struct wpabuf
* anqp_build_req(u16 info_ids
[], size_t num_ids
,
66 buf
= gas_anqp_build_initial_req(0, 4 + num_ids
* 2 +
67 (extra
? wpabuf_len(extra
) : 0));
71 len_pos
= gas_anqp_add_element(buf
, ANQP_QUERY_LIST
);
72 for (i
= 0; i
< num_ids
; i
++)
73 wpabuf_put_le16(buf
, info_ids
[i
]);
74 gas_anqp_set_element_len(buf
, len_pos
);
76 wpabuf_put_buf(buf
, extra
);
78 gas_anqp_set_len(buf
);
84 static void interworking_anqp_resp_cb(void *ctx
, const u8
*dst
,
86 enum gas_query_result result
,
87 const struct wpabuf
*adv_proto
,
88 const struct wpabuf
*resp
,
91 struct wpa_supplicant
*wpa_s
= ctx
;
93 anqp_resp_cb(wpa_s
, dst
, dialog_token
, result
, adv_proto
, resp
,
95 interworking_next_anqp_fetch(wpa_s
);
99 static int interworking_anqp_send_req(struct wpa_supplicant
*wpa_s
,
106 ANQP_CAPABILITY_LIST
,
108 ANQP_NETWORK_AUTH_TYPE
,
109 ANQP_ROAMING_CONSORTIUM
,
110 ANQP_IP_ADDR_TYPE_AVAILABILITY
,
112 ANQP_3GPP_CELLULAR_NETWORK
,
115 struct wpabuf
*extra
= NULL
;
117 wpa_printf(MSG_DEBUG
, "Interworking: ANQP Query Request to " MACSTR
,
118 MAC2STR(bss
->bssid
));
121 if (wpa_bss_get_vendor_ie(bss
, HS20_IE_VENDOR_TYPE
)) {
124 extra
= wpabuf_alloc(100);
128 len_pos
= gas_anqp_add_element(extra
, ANQP_VENDOR_SPECIFIC
);
129 wpabuf_put_be24(extra
, OUI_WFA
);
130 wpabuf_put_u8(extra
, HS20_ANQP_OUI_TYPE
);
131 wpabuf_put_u8(extra
, HS20_STYPE_QUERY_LIST
);
132 wpabuf_put_u8(extra
, 0); /* Reserved */
133 wpabuf_put_u8(extra
, HS20_STYPE_CAPABILITY_LIST
);
134 wpabuf_put_u8(extra
, HS20_STYPE_OPERATOR_FRIENDLY_NAME
);
135 wpabuf_put_u8(extra
, HS20_STYPE_WAN_METRICS
);
136 wpabuf_put_u8(extra
, HS20_STYPE_CONNECTION_CAPABILITY
);
137 wpabuf_put_u8(extra
, HS20_STYPE_OPERATING_CLASS
);
138 gas_anqp_set_element_len(extra
, len_pos
);
140 #endif /* CONFIG_HS20 */
142 buf
= anqp_build_req(info_ids
, sizeof(info_ids
) / sizeof(info_ids
[0]),
148 res
= gas_query_req(wpa_s
->gas
, bss
->bssid
, bss
->freq
, buf
,
149 interworking_anqp_resp_cb
, wpa_s
);
151 wpa_printf(MSG_DEBUG
, "ANQP: Failed to send Query Request");
154 wpa_printf(MSG_DEBUG
, "ANQP: Query started with dialog token "
162 struct nai_realm_eap
{
165 enum nai_realm_eap_auth_inner_non_eap inner_non_eap
;
167 u8 tunneled_cred_type
;
174 struct nai_realm_eap
*eap
;
178 static void nai_realm_free(struct nai_realm
*realms
, u16 count
)
184 for (i
= 0; i
< count
; i
++) {
185 os_free(realms
[i
].eap
);
186 os_free(realms
[i
].realm
);
192 static const u8
* nai_realm_parse_eap(struct nai_realm_eap
*e
, const u8
*pos
,
195 u8 elen
, auth_count
, a
;
199 wpa_printf(MSG_DEBUG
, "No room for EAP Method fixed fields");
204 if (pos
+ elen
> end
|| elen
< 2) {
205 wpa_printf(MSG_DEBUG
, "No room for EAP Method subfield");
211 wpa_printf(MSG_DEBUG
, "EAP Method: len=%u method=%u auth_count=%u",
212 elen
, e
->method
, auth_count
);
214 for (a
= 0; a
< auth_count
; a
++) {
217 if (pos
+ 2 > end
|| pos
+ 2 + pos
[1] > end
) {
218 wpa_printf(MSG_DEBUG
, "No room for Authentication "
219 "Parameter subfield");
227 case NAI_REALM_EAP_AUTH_NON_EAP_INNER_AUTH
:
230 e
->inner_non_eap
= *pos
;
231 if (e
->method
!= EAP_TYPE_TTLS
)
234 case NAI_REALM_INNER_NON_EAP_PAP
:
235 wpa_printf(MSG_DEBUG
, "EAP-TTLS/PAP");
237 case NAI_REALM_INNER_NON_EAP_CHAP
:
238 wpa_printf(MSG_DEBUG
, "EAP-TTLS/CHAP");
240 case NAI_REALM_INNER_NON_EAP_MSCHAP
:
241 wpa_printf(MSG_DEBUG
, "EAP-TTLS/MSCHAP");
243 case NAI_REALM_INNER_NON_EAP_MSCHAPV2
:
244 wpa_printf(MSG_DEBUG
, "EAP-TTLS/MSCHAPV2");
248 case NAI_REALM_EAP_AUTH_INNER_AUTH_EAP_METHOD
:
251 e
->inner_method
= *pos
;
252 wpa_printf(MSG_DEBUG
, "Inner EAP method: %u",
255 case NAI_REALM_EAP_AUTH_CRED_TYPE
:
259 wpa_printf(MSG_DEBUG
, "Credential Type: %u",
262 case NAI_REALM_EAP_AUTH_TUNNELED_CRED_TYPE
:
265 e
->tunneled_cred_type
= *pos
;
266 wpa_printf(MSG_DEBUG
, "Tunneled EAP Method Credential "
267 "Type: %u", e
->tunneled_cred_type
);
270 wpa_printf(MSG_DEBUG
, "Unsupported Authentication "
271 "Parameter: id=%u len=%u", id
, len
);
272 wpa_hexdump(MSG_DEBUG
, "Authentication Parameter "
284 static const u8
* nai_realm_parse_realm(struct nai_realm
*r
, const u8
*pos
,
292 wpa_printf(MSG_DEBUG
, "No room for NAI Realm Data "
297 len
= WPA_GET_LE16(pos
); /* NAI Realm Data field Length */
299 if (pos
+ len
> end
|| len
< 3) {
300 wpa_printf(MSG_DEBUG
, "No room for NAI Realm Data "
302 len
, (unsigned int) (end
- pos
));
307 r
->encoding
= *pos
++;
309 if (pos
+ realm_len
> f_end
) {
310 wpa_printf(MSG_DEBUG
, "No room for NAI Realm "
312 realm_len
, (unsigned int) (f_end
- pos
));
315 wpa_hexdump_ascii(MSG_DEBUG
, "NAI Realm", pos
, realm_len
);
316 r
->realm
= os_malloc(realm_len
+ 1);
317 if (r
->realm
== NULL
)
319 os_memcpy(r
->realm
, pos
, realm_len
);
320 r
->realm
[realm_len
] = '\0';
323 if (pos
+ 1 > f_end
) {
324 wpa_printf(MSG_DEBUG
, "No room for EAP Method Count");
327 r
->eap_count
= *pos
++;
328 wpa_printf(MSG_DEBUG
, "EAP Count: %u", r
->eap_count
);
329 if (pos
+ r
->eap_count
* 3 > f_end
) {
330 wpa_printf(MSG_DEBUG
, "No room for EAP Methods");
333 r
->eap
= os_calloc(r
->eap_count
, sizeof(struct nai_realm_eap
));
337 for (e
= 0; e
< r
->eap_count
; e
++) {
338 pos
= nai_realm_parse_eap(&r
->eap
[e
], pos
, f_end
);
347 static struct nai_realm
* nai_realm_parse(struct wpabuf
*anqp
, u16
*count
)
349 struct nai_realm
*realm
;
353 if (anqp
== NULL
|| wpabuf_len(anqp
) < 2)
356 pos
= wpabuf_head_u8(anqp
);
357 end
= pos
+ wpabuf_len(anqp
);
358 num
= WPA_GET_LE16(pos
);
359 wpa_printf(MSG_DEBUG
, "NAI Realm Count: %u", num
);
362 if (num
* 5 > end
- pos
) {
363 wpa_printf(MSG_DEBUG
, "Invalid NAI Realm Count %u - not "
364 "enough data (%u octets) for that many realms",
365 num
, (unsigned int) (end
- pos
));
369 realm
= os_calloc(num
, sizeof(struct nai_realm
));
373 for (i
= 0; i
< num
; i
++) {
374 pos
= nai_realm_parse_realm(&realm
[i
], pos
, end
);
376 nai_realm_free(realm
, num
);
386 static int nai_realm_match(struct nai_realm
*realm
, const char *home_realm
)
388 char *tmp
, *pos
, *end
;
391 if (realm
->realm
== NULL
|| home_realm
== NULL
)
394 if (os_strchr(realm
->realm
, ';') == NULL
)
395 return os_strcasecmp(realm
->realm
, home_realm
) == 0;
397 tmp
= os_strdup(realm
->realm
);
403 end
= os_strchr(pos
, ';');
406 if (os_strcasecmp(pos
, home_realm
) == 0) {
421 static int nai_realm_cred_username(struct nai_realm_eap
*eap
)
423 if (eap_get_name(EAP_VENDOR_IETF
, eap
->method
) == NULL
)
424 return 0; /* method not supported */
426 if (eap
->method
!= EAP_TYPE_TTLS
&& eap
->method
!= EAP_TYPE_PEAP
) {
427 /* Only tunneled methods with username/password supported */
431 if (eap
->method
== EAP_TYPE_PEAP
&&
432 eap_get_name(EAP_VENDOR_IETF
, eap
->inner_method
) == NULL
)
435 if (eap
->method
== EAP_TYPE_TTLS
) {
436 if (eap
->inner_method
== 0 && eap
->inner_non_eap
== 0)
438 if (eap
->inner_method
&&
439 eap_get_name(EAP_VENDOR_IETF
, eap
->inner_method
) == NULL
)
441 if (eap
->inner_non_eap
&&
442 eap
->inner_non_eap
!= NAI_REALM_INNER_NON_EAP_PAP
&&
443 eap
->inner_non_eap
!= NAI_REALM_INNER_NON_EAP_CHAP
&&
444 eap
->inner_non_eap
!= NAI_REALM_INNER_NON_EAP_MSCHAP
&&
445 eap
->inner_non_eap
!= NAI_REALM_INNER_NON_EAP_MSCHAPV2
)
449 if (eap
->inner_method
&&
450 eap
->inner_method
!= EAP_TYPE_GTC
&&
451 eap
->inner_method
!= EAP_TYPE_MSCHAPV2
)
458 static int nai_realm_cred_cert(struct nai_realm_eap
*eap
)
460 if (eap_get_name(EAP_VENDOR_IETF
, eap
->method
) == NULL
)
461 return 0; /* method not supported */
463 if (eap
->method
!= EAP_TYPE_TLS
) {
464 /* Only EAP-TLS supported for credential authentication */
472 static struct nai_realm_eap
* nai_realm_find_eap(struct wpa_cred
*cred
,
473 struct nai_realm
*realm
)
478 cred
->username
== NULL
||
479 cred
->username
[0] == '\0' ||
480 ((cred
->password
== NULL
||
481 cred
->password
[0] == '\0') &&
482 (cred
->private_key
== NULL
||
483 cred
->private_key
[0] == '\0')))
486 for (e
= 0; e
< realm
->eap_count
; e
++) {
487 struct nai_realm_eap
*eap
= &realm
->eap
[e
];
488 if (cred
->password
&& cred
->password
[0] &&
489 nai_realm_cred_username(eap
))
491 if (cred
->private_key
&& cred
->private_key
[0] &&
492 nai_realm_cred_cert(eap
))
500 #ifdef INTERWORKING_3GPP
502 static int plmn_id_match(struct wpabuf
*anqp
, const char *imsi
, int mnc_len
)
508 /* See Annex A of 3GPP TS 24.234 v8.1.0 for description */
509 plmn
[0] = (imsi
[0] - '0') | ((imsi
[1] - '0') << 4);
510 plmn
[1] = imsi
[2] - '0';
511 /* default to MNC length 3 if unknown */
513 plmn
[1] |= (imsi
[5] - '0') << 4;
516 plmn
[2] = (imsi
[3] - '0') | ((imsi
[4] - '0') << 4);
520 pos
= wpabuf_head_u8(anqp
);
521 end
= pos
+ wpabuf_len(anqp
);
525 wpa_printf(MSG_DEBUG
, "Unsupported GUD version 0x%x", *pos
);
530 if (pos
+ udhl
> end
) {
531 wpa_printf(MSG_DEBUG
, "Invalid UDHL");
536 while (pos
+ 2 <= end
) {
545 if (iei
== 0 && len
> 0) {
549 for (i
= 0; i
< num
; i
++) {
552 if (os_memcmp(pos
, plmn
, 3) == 0)
553 return 1; /* Found matching PLMN */
565 static int build_root_nai(char *nai
, size_t nai_len
, const char *imsi
,
566 size_t mnc_len
, char prefix
)
568 const char *sep
, *msin
;
570 size_t msin_len
, plmn_len
;
573 * TS 23.003, Clause 14 (3GPP to WLAN Interworking)
575 * <aka:0|sim:1><IMSI>@wlan.mnc<MNC>.mcc<MCC>.3gppnetwork.org
576 * <MNC> is zero-padded to three digits in case two-digit MNC is used
579 if (imsi
== NULL
|| os_strlen(imsi
) > 16) {
580 wpa_printf(MSG_DEBUG
, "No valid IMSI available");
583 sep
= os_strchr(imsi
, '-');
585 plmn_len
= sep
- imsi
;
587 } else if (mnc_len
&& os_strlen(imsi
) >= 3 + mnc_len
) {
588 plmn_len
= 3 + mnc_len
;
589 msin
= imsi
+ plmn_len
;
592 if (plmn_len
!= 5 && plmn_len
!= 6)
594 msin_len
= os_strlen(msin
);
600 os_memcpy(pos
, imsi
, plmn_len
);
602 os_memcpy(pos
, msin
, msin_len
);
604 pos
+= os_snprintf(pos
, end
- pos
, "@wlan.mnc");
614 pos
+= os_snprintf(pos
, end
- pos
, ".mcc%c%c%c.3gppnetwork.org",
615 imsi
[0], imsi
[1], imsi
[2]);
621 static int set_root_nai(struct wpa_ssid
*ssid
, const char *imsi
, char prefix
)
624 if (build_root_nai(nai
, sizeof(nai
), imsi
, 0, prefix
) < 0)
626 return wpa_config_set_quoted(ssid
, "identity", nai
);
629 #endif /* INTERWORKING_3GPP */
632 static int interworking_set_hs20_params(struct wpa_ssid
*ssid
)
634 if (wpa_config_set(ssid
, "key_mgmt", "WPA-EAP", 0) < 0)
636 if (wpa_config_set(ssid
, "proto", "RSN", 0) < 0)
638 if (wpa_config_set(ssid
, "pairwise", "CCMP", 0) < 0)
644 static int interworking_connect_3gpp(struct wpa_supplicant
*wpa_s
,
647 #ifdef INTERWORKING_3GPP
648 struct wpa_cred
*cred
;
649 struct wpa_ssid
*ssid
;
652 if (bss
->anqp_3gpp
== NULL
)
655 for (cred
= wpa_s
->conf
->cred
; cred
; cred
= cred
->next
) {
661 if (cred
->pcsc
&& wpa_s
->conf
->pcsc_reader
&& wpa_s
->scard
&&
664 mnc_len
= wpa_s
->mnc_len
;
667 #endif /* PCSC_FUNCS */
669 if (cred
->imsi
== NULL
|| !cred
->imsi
[0] ||
670 cred
->milenage
== NULL
|| !cred
->milenage
[0])
673 sep
= os_strchr(cred
->imsi
, '-');
675 (sep
- cred
->imsi
!= 5 && sep
- cred
->imsi
!= 6))
677 mnc_len
= sep
- cred
->imsi
- 3;
682 #endif /* PCSC_FUNCS */
683 if (plmn_id_match(bss
->anqp_3gpp
, imsi
, mnc_len
))
689 ie
= wpa_bss_get_ie(bss
, WLAN_EID_SSID
);
692 wpa_printf(MSG_DEBUG
, "Interworking: Connect with " MACSTR
" (3GPP)",
693 MAC2STR(bss
->bssid
));
695 ssid
= wpa_config_add_network(wpa_s
->conf
);
699 wpas_notify_network_added(wpa_s
, ssid
);
700 wpa_config_set_network_defaults(ssid
);
701 ssid
->priority
= cred
->priority
;
703 ssid
->ssid
= os_zalloc(ie
[1] + 1);
704 if (ssid
->ssid
== NULL
)
706 os_memcpy(ssid
->ssid
, ie
+ 2, ie
[1]);
707 ssid
->ssid_len
= ie
[1];
709 if (interworking_set_hs20_params(ssid
) < 0)
712 /* TODO: figure out whether to use EAP-SIM, EAP-AKA, or EAP-AKA' */
713 if (wpa_config_set(ssid
, "eap", "SIM", 0) < 0) {
714 wpa_printf(MSG_DEBUG
, "EAP-SIM not supported");
717 if (cred
->pcsc
&& wpa_s
->scard
&& scard_supports_umts(wpa_s
->scard
))
718 wpa_config_set(ssid
, "eap", "AKA", 0);
719 if (!cred
->pcsc
&& set_root_nai(ssid
, cred
->imsi
, '1') < 0) {
720 wpa_printf(MSG_DEBUG
, "Failed to set Root NAI");
724 if (cred
->milenage
&& cred
->milenage
[0]) {
725 if (wpa_config_set_quoted(ssid
, "password",
728 } else if (cred
->pcsc
) {
729 if (wpa_config_set_quoted(ssid
, "pcsc", "") < 0)
731 if (wpa_s
->conf
->pcsc_pin
&&
732 wpa_config_set_quoted(ssid
, "pin", wpa_s
->conf
->pcsc_pin
)
737 if (cred
->password
&& cred
->password
[0] &&
738 wpa_config_set_quoted(ssid
, "password", cred
->password
) < 0)
741 wpa_config_update_prio_list(wpa_s
->conf
);
742 interworking_reconnect(wpa_s
);
747 wpas_notify_network_removed(wpa_s
, ssid
);
748 wpa_config_remove_network(wpa_s
->conf
, ssid
->id
);
749 #endif /* INTERWORKING_3GPP */
754 static int roaming_consortium_element_match(const u8
*ie
, const u8
*rc_id
,
764 end
= ie
+ 2 + ie
[1];
766 /* Roaming Consortium element:
768 * OI #1 and #2 lengths
769 * OI #1, [OI #2], [OI #3]
775 pos
++; /* skip Number of ANQP OIs */
777 if (pos
+ (lens
& 0x0f) + (lens
>> 4) > end
)
780 if ((lens
& 0x0f) == rc_len
&& os_memcmp(pos
, rc_id
, rc_len
) == 0)
784 if ((lens
>> 4) == rc_len
&& os_memcmp(pos
, rc_id
, rc_len
) == 0)
788 if (pos
< end
&& (size_t) (end
- pos
) == rc_len
&&
789 os_memcmp(pos
, rc_id
, rc_len
) == 0)
796 static int roaming_consortium_anqp_match(const struct wpabuf
*anqp
,
797 const u8
*rc_id
, size_t rc_len
)
805 pos
= wpabuf_head(anqp
);
806 end
= pos
+ wpabuf_len(anqp
);
808 /* Set of <OI Length, OI> duples */
813 if (len
== rc_len
&& os_memcmp(pos
, rc_id
, rc_len
) == 0)
822 static int roaming_consortium_match(const u8
*ie
, const struct wpabuf
*anqp
,
823 const u8
*rc_id
, size_t rc_len
)
825 return roaming_consortium_element_match(ie
, rc_id
, rc_len
) ||
826 roaming_consortium_anqp_match(anqp
, rc_id
, rc_len
);
830 static struct wpa_cred
* interworking_credentials_available_roaming_consortium(
831 struct wpa_supplicant
*wpa_s
, struct wpa_bss
*bss
)
833 struct wpa_cred
*cred
, *selected
= NULL
;
836 ie
= wpa_bss_get_ie(bss
, WLAN_EID_ROAMING_CONSORTIUM
);
838 if (ie
== NULL
&& bss
->anqp_roaming_consortium
== NULL
)
841 if (wpa_s
->conf
->cred
== NULL
)
844 for (cred
= wpa_s
->conf
->cred
; cred
; cred
= cred
->next
) {
845 if (cred
->roaming_consortium_len
== 0)
848 if (!roaming_consortium_match(ie
, bss
->anqp_roaming_consortium
,
849 cred
->roaming_consortium
,
850 cred
->roaming_consortium_len
))
853 if (selected
== NULL
||
854 selected
->priority
< cred
->priority
)
862 static int interworking_set_eap_params(struct wpa_ssid
*ssid
,
863 struct wpa_cred
*cred
, int ttls
)
865 if (cred
->eap_method
) {
866 ttls
= cred
->eap_method
->vendor
== EAP_VENDOR_IETF
&&
867 cred
->eap_method
->method
== EAP_TYPE_TTLS
;
869 os_free(ssid
->eap
.eap_methods
);
870 ssid
->eap
.eap_methods
=
871 os_malloc(sizeof(struct eap_method_type
) * 2);
872 if (ssid
->eap
.eap_methods
== NULL
)
874 os_memcpy(ssid
->eap
.eap_methods
, cred
->eap_method
,
875 sizeof(*cred
->eap_method
));
876 ssid
->eap
.eap_methods
[1].vendor
= EAP_VENDOR_IETF
;
877 ssid
->eap
.eap_methods
[1].method
= EAP_TYPE_NONE
;
880 if (ttls
&& cred
->username
&& cred
->username
[0]) {
883 /* Use anonymous NAI in Phase 1 */
884 pos
= os_strchr(cred
->username
, '@');
886 size_t buflen
= 9 + os_strlen(pos
) + 1;
887 anon
= os_malloc(buflen
);
890 os_snprintf(anon
, buflen
, "anonymous%s", pos
);
891 } else if (cred
->realm
) {
892 size_t buflen
= 10 + os_strlen(cred
->realm
) + 1;
893 anon
= os_malloc(buflen
);
896 os_snprintf(anon
, buflen
, "anonymous@%s", cred
->realm
);
898 anon
= os_strdup("anonymous");
902 if (wpa_config_set_quoted(ssid
, "anonymous_identity", anon
) <
910 if (cred
->username
&& cred
->username
[0] &&
911 wpa_config_set_quoted(ssid
, "identity", cred
->username
) < 0)
914 if (cred
->password
&& cred
->password
[0]) {
915 if (cred
->ext_password
&&
916 wpa_config_set(ssid
, "password", cred
->password
, 0) < 0)
918 if (!cred
->ext_password
&&
919 wpa_config_set_quoted(ssid
, "password", cred
->password
) <
924 if (cred
->client_cert
&& cred
->client_cert
[0] &&
925 wpa_config_set_quoted(ssid
, "client_cert", cred
->client_cert
) < 0)
928 if (cred
->private_key
&& cred
->private_key
[0] &&
929 wpa_config_set_quoted(ssid
, "private_key", cred
->private_key
) < 0)
932 if (cred
->private_key_passwd
&& cred
->private_key_passwd
[0] &&
933 wpa_config_set_quoted(ssid
, "private_key_passwd",
934 cred
->private_key_passwd
) < 0)
938 os_free(ssid
->eap
.phase1
);
939 ssid
->eap
.phase1
= os_strdup(cred
->phase1
);
942 os_free(ssid
->eap
.phase2
);
943 ssid
->eap
.phase2
= os_strdup(cred
->phase2
);
946 if (cred
->ca_cert
&& cred
->ca_cert
[0] &&
947 wpa_config_set_quoted(ssid
, "ca_cert", cred
->ca_cert
) < 0)
954 static int interworking_connect_roaming_consortium(
955 struct wpa_supplicant
*wpa_s
, struct wpa_cred
*cred
,
956 struct wpa_bss
*bss
, const u8
*ssid_ie
)
958 struct wpa_ssid
*ssid
;
960 wpa_printf(MSG_DEBUG
, "Interworking: Connect with " MACSTR
" based on "
961 "roaming consortium match", MAC2STR(bss
->bssid
));
963 ssid
= wpa_config_add_network(wpa_s
->conf
);
966 wpas_notify_network_added(wpa_s
, ssid
);
967 wpa_config_set_network_defaults(ssid
);
968 ssid
->priority
= cred
->priority
;
970 ssid
->ssid
= os_zalloc(ssid_ie
[1] + 1);
971 if (ssid
->ssid
== NULL
)
973 os_memcpy(ssid
->ssid
, ssid_ie
+ 2, ssid_ie
[1]);
974 ssid
->ssid_len
= ssid_ie
[1];
976 if (interworking_set_hs20_params(ssid
) < 0)
979 if (cred
->eap_method
== NULL
) {
980 wpa_printf(MSG_DEBUG
, "Interworking: No EAP method set for "
981 "credential using roaming consortium");
985 if (interworking_set_eap_params(
987 cred
->eap_method
->vendor
== EAP_VENDOR_IETF
&&
988 cred
->eap_method
->method
== EAP_TYPE_TTLS
) < 0)
991 wpa_config_update_prio_list(wpa_s
->conf
);
992 interworking_reconnect(wpa_s
);
997 wpas_notify_network_removed(wpa_s
, ssid
);
998 wpa_config_remove_network(wpa_s
->conf
, ssid
->id
);
1003 int interworking_connect(struct wpa_supplicant
*wpa_s
, struct wpa_bss
*bss
)
1005 struct wpa_cred
*cred
;
1006 struct wpa_ssid
*ssid
;
1007 struct nai_realm
*realm
;
1008 struct nai_realm_eap
*eap
= NULL
;
1013 if (wpa_s
->conf
->cred
== NULL
|| bss
== NULL
)
1015 ie
= wpa_bss_get_ie(bss
, WLAN_EID_SSID
);
1016 if (ie
== NULL
|| ie
[1] == 0) {
1017 wpa_printf(MSG_DEBUG
, "Interworking: No SSID known for "
1018 MACSTR
, MAC2STR(bss
->bssid
));
1022 if (!wpa_bss_get_ie(bss
, WLAN_EID_RSN
)) {
1024 * We currently support only HS 2.0 networks and those are
1025 * required to use WPA2-Enterprise.
1027 wpa_printf(MSG_DEBUG
, "Interworking: Network does not use "
1032 cred
= interworking_credentials_available_roaming_consortium(wpa_s
,
1035 return interworking_connect_roaming_consortium(wpa_s
, cred
,
1038 realm
= nai_realm_parse(bss
->anqp_nai_realm
, &count
);
1039 if (realm
== NULL
) {
1040 wpa_printf(MSG_DEBUG
, "Interworking: Could not parse NAI "
1041 "Realm list from " MACSTR
, MAC2STR(bss
->bssid
));
1045 for (cred
= wpa_s
->conf
->cred
; cred
; cred
= cred
->next
) {
1046 for (i
= 0; i
< count
; i
++) {
1047 if (!nai_realm_match(&realm
[i
], cred
->realm
))
1049 eap
= nai_realm_find_eap(cred
, &realm
[i
]);
1058 if (interworking_connect_3gpp(wpa_s
, bss
) == 0) {
1060 nai_realm_free(realm
, count
);
1064 wpa_printf(MSG_DEBUG
, "Interworking: No matching credentials "
1065 "and EAP method found for " MACSTR
,
1066 MAC2STR(bss
->bssid
));
1067 nai_realm_free(realm
, count
);
1071 wpa_printf(MSG_DEBUG
, "Interworking: Connect with " MACSTR
,
1072 MAC2STR(bss
->bssid
));
1074 ssid
= wpa_config_add_network(wpa_s
->conf
);
1076 nai_realm_free(realm
, count
);
1079 wpas_notify_network_added(wpa_s
, ssid
);
1080 wpa_config_set_network_defaults(ssid
);
1081 ssid
->priority
= cred
->priority
;
1082 ssid
->temporary
= 1;
1083 ssid
->ssid
= os_zalloc(ie
[1] + 1);
1084 if (ssid
->ssid
== NULL
)
1086 os_memcpy(ssid
->ssid
, ie
+ 2, ie
[1]);
1087 ssid
->ssid_len
= ie
[1];
1089 if (interworking_set_hs20_params(ssid
) < 0)
1092 if (wpa_config_set(ssid
, "eap", eap_get_name(EAP_VENDOR_IETF
,
1093 eap
->method
), 0) < 0)
1096 switch (eap
->method
) {
1098 if (eap
->inner_method
) {
1099 os_snprintf(buf
, sizeof(buf
), "\"autheap=%s\"",
1100 eap_get_name(EAP_VENDOR_IETF
,
1101 eap
->inner_method
));
1102 if (wpa_config_set(ssid
, "phase2", buf
, 0) < 0)
1106 switch (eap
->inner_non_eap
) {
1107 case NAI_REALM_INNER_NON_EAP_PAP
:
1108 if (wpa_config_set(ssid
, "phase2", "\"auth=PAP\"", 0) <
1112 case NAI_REALM_INNER_NON_EAP_CHAP
:
1113 if (wpa_config_set(ssid
, "phase2", "\"auth=CHAP\"", 0)
1117 case NAI_REALM_INNER_NON_EAP_MSCHAP
:
1118 if (wpa_config_set(ssid
, "phase2", "\"auth=MSCHAP\"",
1122 case NAI_REALM_INNER_NON_EAP_MSCHAPV2
:
1123 if (wpa_config_set(ssid
, "phase2", "\"auth=MSCHAPV2\"",
1130 os_snprintf(buf
, sizeof(buf
), "\"auth=%s\"",
1131 eap_get_name(EAP_VENDOR_IETF
, eap
->inner_method
));
1132 if (wpa_config_set(ssid
, "phase2", buf
, 0) < 0)
1139 if (interworking_set_eap_params(ssid
, cred
,
1140 eap
->method
== EAP_TYPE_TTLS
) < 0)
1143 nai_realm_free(realm
, count
);
1145 wpa_config_update_prio_list(wpa_s
->conf
);
1146 interworking_reconnect(wpa_s
);
1151 wpas_notify_network_removed(wpa_s
, ssid
);
1152 wpa_config_remove_network(wpa_s
->conf
, ssid
->id
);
1153 nai_realm_free(realm
, count
);
1158 static struct wpa_cred
* interworking_credentials_available_3gpp(
1159 struct wpa_supplicant
*wpa_s
, struct wpa_bss
*bss
)
1161 struct wpa_cred
*cred
, *selected
= NULL
;
1164 #ifdef INTERWORKING_3GPP
1165 if (bss
->anqp_3gpp
== NULL
)
1168 for (cred
= wpa_s
->conf
->cred
; cred
; cred
= cred
->next
) {
1174 if (cred
->pcsc
&& wpa_s
->conf
->pcsc_reader
&& wpa_s
->scard
&&
1177 mnc_len
= wpa_s
->mnc_len
;
1180 #endif /* PCSC_FUNCS */
1182 if (cred
->imsi
== NULL
|| !cred
->imsi
[0] ||
1183 cred
->milenage
== NULL
|| !cred
->milenage
[0])
1186 sep
= os_strchr(cred
->imsi
, '-');
1188 (sep
- cred
->imsi
!= 5 && sep
- cred
->imsi
!= 6))
1190 mnc_len
= sep
- cred
->imsi
- 3;
1195 #endif /* PCSC_FUNCS */
1196 wpa_printf(MSG_DEBUG
, "Interworking: Parsing 3GPP info from "
1197 MACSTR
, MAC2STR(bss
->bssid
));
1198 ret
= plmn_id_match(bss
->anqp_3gpp
, imsi
, mnc_len
);
1199 wpa_printf(MSG_DEBUG
, "PLMN match %sfound", ret
? "" : "not ");
1201 if (selected
== NULL
||
1202 selected
->priority
< cred
->priority
)
1206 #endif /* INTERWORKING_3GPP */
1211 static struct wpa_cred
* interworking_credentials_available_realm(
1212 struct wpa_supplicant
*wpa_s
, struct wpa_bss
*bss
)
1214 struct wpa_cred
*cred
, *selected
= NULL
;
1215 struct nai_realm
*realm
;
1218 if (bss
->anqp_nai_realm
== NULL
)
1221 if (wpa_s
->conf
->cred
== NULL
)
1224 wpa_printf(MSG_DEBUG
, "Interworking: Parsing NAI Realm list from "
1225 MACSTR
, MAC2STR(bss
->bssid
));
1226 realm
= nai_realm_parse(bss
->anqp_nai_realm
, &count
);
1227 if (realm
== NULL
) {
1228 wpa_printf(MSG_DEBUG
, "Interworking: Could not parse NAI "
1229 "Realm list from " MACSTR
, MAC2STR(bss
->bssid
));
1233 for (cred
= wpa_s
->conf
->cred
; cred
; cred
= cred
->next
) {
1234 if (cred
->realm
== NULL
)
1237 for (i
= 0; i
< count
; i
++) {
1238 if (!nai_realm_match(&realm
[i
], cred
->realm
))
1240 if (nai_realm_find_eap(cred
, &realm
[i
])) {
1241 if (selected
== NULL
||
1242 selected
->priority
< cred
->priority
)
1249 nai_realm_free(realm
, count
);
1255 static struct wpa_cred
* interworking_credentials_available(
1256 struct wpa_supplicant
*wpa_s
, struct wpa_bss
*bss
)
1258 struct wpa_cred
*cred
, *cred2
;
1260 cred
= interworking_credentials_available_realm(wpa_s
, bss
);
1261 cred2
= interworking_credentials_available_3gpp(wpa_s
, bss
);
1262 if (cred
&& cred2
&& cred2
->priority
>= cred
->priority
)
1267 cred2
= interworking_credentials_available_roaming_consortium(wpa_s
,
1269 if (cred
&& cred2
&& cred2
->priority
>= cred
->priority
)
1278 static int domain_name_list_contains(struct wpabuf
*domain_names
,
1281 const u8
*pos
, *end
;
1284 len
= os_strlen(domain
);
1285 pos
= wpabuf_head(domain_names
);
1286 end
= pos
+ wpabuf_len(domain_names
);
1288 while (pos
+ 1 < end
) {
1289 if (pos
+ 1 + pos
[0] > end
)
1292 wpa_hexdump_ascii(MSG_DEBUG
, "Interworking: AP domain name",
1294 if (pos
[0] == len
&&
1295 os_strncasecmp(domain
, (const char *) (pos
+ 1), len
) == 0)
1305 static int interworking_home_sp(struct wpa_supplicant
*wpa_s
,
1306 struct wpabuf
*domain_names
)
1308 struct wpa_cred
*cred
;
1309 #ifdef INTERWORKING_3GPP
1310 char nai
[100], *realm
;
1311 #endif /* INTERWORKING_3GPP */
1313 if (domain_names
== NULL
|| wpa_s
->conf
->cred
== NULL
)
1316 for (cred
= wpa_s
->conf
->cred
; cred
; cred
= cred
->next
) {
1317 #ifdef INTERWORKING_3GPP
1322 else if (cred
->pcsc
&& wpa_s
->conf
->pcsc_reader
&&
1323 wpa_s
->scard
&& wpa_s
->imsi
[0]) {
1325 mnc_len
= wpa_s
->mnc_len
;
1327 if (imsi
&& build_root_nai(nai
, sizeof(nai
), imsi
, mnc_len
, 0)
1329 realm
= os_strchr(nai
, '@');
1332 wpa_printf(MSG_DEBUG
, "Interworking: Search for match "
1333 "with SIM/USIM domain %s", realm
);
1335 domain_name_list_contains(domain_names
, realm
))
1338 #endif /* INTERWORKING_3GPP */
1340 if (cred
->domain
== NULL
)
1343 wpa_printf(MSG_DEBUG
, "Interworking: Search for match with "
1344 "home SP FQDN %s", cred
->domain
);
1345 if (domain_name_list_contains(domain_names
, cred
->domain
))
1353 static int interworking_find_network_match(struct wpa_supplicant
*wpa_s
)
1355 struct wpa_bss
*bss
;
1356 struct wpa_ssid
*ssid
;
1358 dl_list_for_each(bss
, &wpa_s
->bss
, struct wpa_bss
, list
) {
1359 for (ssid
= wpa_s
->conf
->ssid
; ssid
; ssid
= ssid
->next
) {
1360 if (wpas_network_disabled(wpa_s
, ssid
) ||
1361 ssid
->mode
!= WPAS_MODE_INFRA
)
1363 if (ssid
->ssid_len
!= bss
->ssid_len
||
1364 os_memcmp(ssid
->ssid
, bss
->ssid
, ssid
->ssid_len
) !=
1368 * TODO: Consider more accurate matching of security
1369 * configuration similarly to what is done in events.c
1379 static void interworking_select_network(struct wpa_supplicant
*wpa_s
)
1381 struct wpa_bss
*bss
, *selected
= NULL
, *selected_home
= NULL
;
1382 int selected_prio
= -999999, selected_home_prio
= -999999;
1383 unsigned int count
= 0;
1386 struct wpa_cred
*cred
;
1388 wpa_s
->network_select
= 0;
1390 dl_list_for_each(bss
, &wpa_s
->bss
, struct wpa_bss
, list
) {
1391 cred
= interworking_credentials_available(wpa_s
, bss
);
1394 if (!wpa_bss_get_ie(bss
, WLAN_EID_RSN
)) {
1396 * We currently support only HS 2.0 networks and those
1397 * are required to use WPA2-Enterprise.
1399 wpa_printf(MSG_DEBUG
, "Interworking: Credential match "
1400 "with " MACSTR
" but network does not use "
1401 "RSN", MAC2STR(bss
->bssid
));
1405 res
= interworking_home_sp(wpa_s
, bss
->anqp_domain_name
);
1412 wpa_msg(wpa_s
, MSG_INFO
, INTERWORKING_AP MACSTR
" type=%s",
1413 MAC2STR(bss
->bssid
), type
);
1414 if (wpa_s
->auto_select
) {
1415 if (selected
== NULL
||
1416 cred
->priority
> selected_prio
) {
1418 selected_prio
= cred
->priority
;
1421 (selected_home
== NULL
||
1422 cred
->priority
> selected_home_prio
)) {
1423 selected_home
= bss
;
1424 selected_home_prio
= cred
->priority
;
1429 if (selected_home
&& selected_home
!= selected
&&
1430 selected_home_prio
>= selected_prio
) {
1431 /* Prefer network operated by the Home SP */
1432 selected
= selected_home
;
1437 * No matching network was found based on configured
1438 * credentials. Check whether any of the enabled network blocks
1439 * have matching APs.
1441 if (interworking_find_network_match(wpa_s
)) {
1442 wpa_printf(MSG_DEBUG
, "Interworking: Possible BSS "
1443 "match for enabled network configurations");
1444 if (wpa_s
->auto_select
)
1445 interworking_reconnect(wpa_s
);
1449 wpa_msg(wpa_s
, MSG_INFO
, INTERWORKING_NO_MATCH
"No network "
1450 "with matching credentials found");
1454 interworking_connect(wpa_s
, selected
);
1458 static void interworking_next_anqp_fetch(struct wpa_supplicant
*wpa_s
)
1460 struct wpa_bss
*bss
;
1464 if (!wpa_s
->fetch_anqp_in_progress
)
1467 dl_list_for_each(bss
, &wpa_s
->bss
, struct wpa_bss
, list
) {
1468 if (!(bss
->caps
& IEEE80211_CAP_ESS
))
1470 ie
= wpa_bss_get_ie(bss
, WLAN_EID_EXT_CAPAB
);
1471 if (ie
== NULL
|| ie
[1] < 4 || !(ie
[5] & 0x80))
1472 continue; /* AP does not support Interworking */
1474 if (!(bss
->flags
& WPA_BSS_ANQP_FETCH_TRIED
)) {
1476 bss
->flags
|= WPA_BSS_ANQP_FETCH_TRIED
;
1477 wpa_msg(wpa_s
, MSG_INFO
, "Starting ANQP fetch for "
1478 MACSTR
, MAC2STR(bss
->bssid
));
1479 interworking_anqp_send_req(wpa_s
, bss
);
1485 wpa_msg(wpa_s
, MSG_INFO
, "ANQP fetch completed");
1486 wpa_s
->fetch_anqp_in_progress
= 0;
1487 if (wpa_s
->network_select
)
1488 interworking_select_network(wpa_s
);
1493 static void interworking_start_fetch_anqp(struct wpa_supplicant
*wpa_s
)
1495 struct wpa_bss
*bss
;
1497 dl_list_for_each(bss
, &wpa_s
->bss
, struct wpa_bss
, list
)
1498 bss
->flags
&= ~WPA_BSS_ANQP_FETCH_TRIED
;
1500 wpa_s
->fetch_anqp_in_progress
= 1;
1501 interworking_next_anqp_fetch(wpa_s
);
1505 int interworking_fetch_anqp(struct wpa_supplicant
*wpa_s
)
1507 if (wpa_s
->fetch_anqp_in_progress
|| wpa_s
->network_select
)
1510 wpa_s
->network_select
= 0;
1512 interworking_start_fetch_anqp(wpa_s
);
1518 void interworking_stop_fetch_anqp(struct wpa_supplicant
*wpa_s
)
1520 if (!wpa_s
->fetch_anqp_in_progress
)
1523 wpa_s
->fetch_anqp_in_progress
= 0;
1527 int anqp_send_req(struct wpa_supplicant
*wpa_s
, const u8
*dst
,
1528 u16 info_ids
[], size_t num_ids
)
1533 struct wpa_bss
*bss
;
1536 freq
= wpa_s
->assoc_freq
;
1537 bss
= wpa_bss_get_bssid(wpa_s
, dst
);
1543 wpa_printf(MSG_DEBUG
, "ANQP: Query Request to " MACSTR
" for %u id(s)",
1544 MAC2STR(dst
), (unsigned int) num_ids
);
1546 buf
= anqp_build_req(info_ids
, num_ids
, NULL
);
1550 res
= gas_query_req(wpa_s
->gas
, dst
, freq
, buf
, anqp_resp_cb
, wpa_s
);
1552 wpa_printf(MSG_DEBUG
, "ANQP: Failed to send Query Request");
1555 wpa_printf(MSG_DEBUG
, "ANQP: Query started with dialog token "
1563 static void interworking_parse_rx_anqp_resp(struct wpa_supplicant
*wpa_s
,
1564 const u8
*sa
, u16 info_id
,
1565 const u8
*data
, size_t slen
)
1567 const u8
*pos
= data
;
1568 struct wpa_bss
*bss
= wpa_bss_get_bssid(wpa_s
, sa
);
1571 #endif /* CONFIG_HS20 */
1574 case ANQP_CAPABILITY_LIST
:
1575 wpa_msg(wpa_s
, MSG_INFO
, "RX-ANQP " MACSTR
1576 " ANQP Capability list", MAC2STR(sa
));
1578 case ANQP_VENUE_NAME
:
1579 wpa_msg(wpa_s
, MSG_INFO
, "RX-ANQP " MACSTR
1580 " Venue Name", MAC2STR(sa
));
1581 wpa_hexdump_ascii(MSG_DEBUG
, "ANQP: Venue Name", pos
, slen
);
1583 wpabuf_free(bss
->anqp_venue_name
);
1584 bss
->anqp_venue_name
= wpabuf_alloc_copy(pos
, slen
);
1587 case ANQP_NETWORK_AUTH_TYPE
:
1588 wpa_msg(wpa_s
, MSG_INFO
, "RX-ANQP " MACSTR
1589 " Network Authentication Type information",
1591 wpa_hexdump_ascii(MSG_DEBUG
, "ANQP: Network Authentication "
1594 wpabuf_free(bss
->anqp_network_auth_type
);
1595 bss
->anqp_network_auth_type
=
1596 wpabuf_alloc_copy(pos
, slen
);
1599 case ANQP_ROAMING_CONSORTIUM
:
1600 wpa_msg(wpa_s
, MSG_INFO
, "RX-ANQP " MACSTR
1601 " Roaming Consortium list", MAC2STR(sa
));
1602 wpa_hexdump_ascii(MSG_DEBUG
, "ANQP: Roaming Consortium",
1605 wpabuf_free(bss
->anqp_roaming_consortium
);
1606 bss
->anqp_roaming_consortium
=
1607 wpabuf_alloc_copy(pos
, slen
);
1610 case ANQP_IP_ADDR_TYPE_AVAILABILITY
:
1611 wpa_msg(wpa_s
, MSG_INFO
, "RX-ANQP " MACSTR
1612 " IP Address Type Availability information",
1614 wpa_hexdump(MSG_MSGDUMP
, "ANQP: IP Address Availability",
1617 wpabuf_free(bss
->anqp_ip_addr_type_availability
);
1618 bss
->anqp_ip_addr_type_availability
=
1619 wpabuf_alloc_copy(pos
, slen
);
1622 case ANQP_NAI_REALM
:
1623 wpa_msg(wpa_s
, MSG_INFO
, "RX-ANQP " MACSTR
1624 " NAI Realm list", MAC2STR(sa
));
1625 wpa_hexdump_ascii(MSG_DEBUG
, "ANQP: NAI Realm", pos
, slen
);
1627 wpabuf_free(bss
->anqp_nai_realm
);
1628 bss
->anqp_nai_realm
= wpabuf_alloc_copy(pos
, slen
);
1631 case ANQP_3GPP_CELLULAR_NETWORK
:
1632 wpa_msg(wpa_s
, MSG_INFO
, "RX-ANQP " MACSTR
1633 " 3GPP Cellular Network information", MAC2STR(sa
));
1634 wpa_hexdump_ascii(MSG_DEBUG
, "ANQP: 3GPP Cellular Network",
1637 wpabuf_free(bss
->anqp_3gpp
);
1638 bss
->anqp_3gpp
= wpabuf_alloc_copy(pos
, slen
);
1641 case ANQP_DOMAIN_NAME
:
1642 wpa_msg(wpa_s
, MSG_INFO
, "RX-ANQP " MACSTR
1643 " Domain Name list", MAC2STR(sa
));
1644 wpa_hexdump_ascii(MSG_MSGDUMP
, "ANQP: Domain Name", pos
, slen
);
1646 wpabuf_free(bss
->anqp_domain_name
);
1647 bss
->anqp_domain_name
= wpabuf_alloc_copy(pos
, slen
);
1650 case ANQP_VENDOR_SPECIFIC
:
1654 switch (WPA_GET_BE24(pos
)) {
1666 case HS20_ANQP_OUI_TYPE
:
1667 hs20_parse_rx_hs20_anqp_resp(wpa_s
, sa
, pos
,
1671 wpa_printf(MSG_DEBUG
, "HS20: Unsupported ANQP "
1672 "vendor type %u", type
);
1676 #endif /* CONFIG_HS20 */
1678 wpa_printf(MSG_DEBUG
, "Interworking: Unsupported "
1679 "vendor-specific ANQP OUI %06x",
1685 wpa_printf(MSG_DEBUG
, "Interworking: Unsupported ANQP Info ID "
1692 void anqp_resp_cb(void *ctx
, const u8
*dst
, u8 dialog_token
,
1693 enum gas_query_result result
,
1694 const struct wpabuf
*adv_proto
,
1695 const struct wpabuf
*resp
, u16 status_code
)
1697 struct wpa_supplicant
*wpa_s
= ctx
;
1703 if (result
!= GAS_QUERY_SUCCESS
)
1706 pos
= wpabuf_head(adv_proto
);
1707 if (wpabuf_len(adv_proto
) < 4 || pos
[0] != WLAN_EID_ADV_PROTO
||
1708 pos
[1] < 2 || pos
[3] != ACCESS_NETWORK_QUERY_PROTOCOL
) {
1709 wpa_printf(MSG_DEBUG
, "ANQP: Unexpected Advertisement "
1710 "Protocol in response");
1714 pos
= wpabuf_head(resp
);
1715 end
= pos
+ wpabuf_len(resp
);
1718 if (pos
+ 4 > end
) {
1719 wpa_printf(MSG_DEBUG
, "ANQP: Invalid element");
1722 info_id
= WPA_GET_LE16(pos
);
1724 slen
= WPA_GET_LE16(pos
);
1726 if (pos
+ slen
> end
) {
1727 wpa_printf(MSG_DEBUG
, "ANQP: Invalid element length "
1728 "for Info ID %u", info_id
);
1731 interworking_parse_rx_anqp_resp(wpa_s
, dst
, info_id
, pos
,
1738 static void interworking_scan_res_handler(struct wpa_supplicant
*wpa_s
,
1739 struct wpa_scan_results
*scan_res
)
1741 wpa_printf(MSG_DEBUG
, "Interworking: Scan results available - start "
1743 interworking_start_fetch_anqp(wpa_s
);
1747 int interworking_select(struct wpa_supplicant
*wpa_s
, int auto_select
)
1749 interworking_stop_fetch_anqp(wpa_s
);
1750 wpa_s
->network_select
= 1;
1751 wpa_s
->auto_select
= !!auto_select
;
1752 wpa_printf(MSG_DEBUG
, "Interworking: Start scan for network "
1754 wpa_s
->scan_res_handler
= interworking_scan_res_handler
;
1755 wpa_s
->scan_req
= 2;
1756 wpa_supplicant_req_scan(wpa_s
, 0, 0);
1762 static void gas_resp_cb(void *ctx
, const u8
*addr
, u8 dialog_token
,
1763 enum gas_query_result result
,
1764 const struct wpabuf
*adv_proto
,
1765 const struct wpabuf
*resp
, u16 status_code
)
1767 struct wpa_supplicant
*wpa_s
= ctx
;
1769 wpa_msg(wpa_s
, MSG_INFO
, GAS_RESPONSE_INFO
"addr=" MACSTR
1770 " dialog_token=%d status_code=%d resp_len=%d",
1771 MAC2STR(addr
), dialog_token
, status_code
,
1772 resp
? (int) wpabuf_len(resp
) : -1);
1776 wpabuf_free(wpa_s
->last_gas_resp
);
1777 wpa_s
->last_gas_resp
= wpabuf_dup(resp
);
1778 if (wpa_s
->last_gas_resp
== NULL
)
1780 os_memcpy(wpa_s
->last_gas_addr
, addr
, ETH_ALEN
);
1781 wpa_s
->last_gas_dialog_token
= dialog_token
;
1785 int gas_send_request(struct wpa_supplicant
*wpa_s
, const u8
*dst
,
1786 const struct wpabuf
*adv_proto
,
1787 const struct wpabuf
*query
)
1792 struct wpa_bss
*bss
;
1795 u8 query_resp_len_limit
= 0, pame_bi
= 0;
1797 freq
= wpa_s
->assoc_freq
;
1798 bss
= wpa_bss_get_bssid(wpa_s
, dst
);
1804 wpa_printf(MSG_DEBUG
, "GAS request to " MACSTR
" (freq %d MHz)",
1805 MAC2STR(dst
), freq
);
1806 wpa_hexdump_buf(MSG_DEBUG
, "Advertisement Protocol ID", adv_proto
);
1807 wpa_hexdump_buf(MSG_DEBUG
, "GAS Query", query
);
1809 len
= 3 + wpabuf_len(adv_proto
) + 2;
1811 len
+= wpabuf_len(query
);
1812 buf
= gas_build_initial_req(0, len
);
1816 /* Advertisement Protocol IE */
1817 wpabuf_put_u8(buf
, WLAN_EID_ADV_PROTO
);
1818 wpabuf_put_u8(buf
, 1 + wpabuf_len(adv_proto
)); /* Length */
1819 wpabuf_put_u8(buf
, (query_resp_len_limit
& 0x7f) |
1820 (pame_bi
? 0x80 : 0));
1821 wpabuf_put_buf(buf
, adv_proto
);
1825 wpabuf_put_le16(buf
, wpabuf_len(query
));
1826 wpabuf_put_buf(buf
, query
);
1828 wpabuf_put_le16(buf
, 0);
1830 res
= gas_query_req(wpa_s
->gas
, dst
, freq
, buf
, gas_resp_cb
, wpa_s
);
1832 wpa_printf(MSG_DEBUG
, "GAS: Failed to send Query Request");
1835 wpa_printf(MSG_DEBUG
, "GAS: Query started with dialog token "