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;
56 if (wpa_s
->last_scan_res_used
> 0) {
59 if (now
.sec
- wpa_s
->last_scan
.sec
<= 5) {
60 wpa_printf(MSG_DEBUG
, "Interworking: Old scan results "
61 "are fresh - connect without new scan");
62 if (wpas_select_network_from_last_scan(wpa_s
) >= 0)
67 wpa_supplicant_req_scan(wpa_s
, 0, 0);
71 static struct wpabuf
* anqp_build_req(u16 info_ids
[], size_t num_ids
,
78 buf
= gas_anqp_build_initial_req(0, 4 + num_ids
* 2 +
79 (extra
? wpabuf_len(extra
) : 0));
83 len_pos
= gas_anqp_add_element(buf
, ANQP_QUERY_LIST
);
84 for (i
= 0; i
< num_ids
; i
++)
85 wpabuf_put_le16(buf
, info_ids
[i
]);
86 gas_anqp_set_element_len(buf
, len_pos
);
88 wpabuf_put_buf(buf
, extra
);
90 gas_anqp_set_len(buf
);
96 static void interworking_anqp_resp_cb(void *ctx
, const u8
*dst
,
98 enum gas_query_result result
,
99 const struct wpabuf
*adv_proto
,
100 const struct wpabuf
*resp
,
103 struct wpa_supplicant
*wpa_s
= ctx
;
105 anqp_resp_cb(wpa_s
, dst
, dialog_token
, result
, adv_proto
, resp
,
107 interworking_next_anqp_fetch(wpa_s
);
111 static int cred_with_roaming_consortium(struct wpa_supplicant
*wpa_s
)
113 struct wpa_cred
*cred
;
115 for (cred
= wpa_s
->conf
->cred
; cred
; cred
= cred
->next
) {
116 if (cred
->roaming_consortium_len
)
123 static int cred_with_3gpp(struct wpa_supplicant
*wpa_s
)
125 struct wpa_cred
*cred
;
127 for (cred
= wpa_s
->conf
->cred
; cred
; cred
= cred
->next
) {
128 if (cred
->pcsc
|| cred
->imsi
)
135 static int cred_with_nai_realm(struct wpa_supplicant
*wpa_s
)
137 struct wpa_cred
*cred
;
139 for (cred
= wpa_s
->conf
->cred
; cred
; cred
= cred
->next
) {
140 if (cred
->pcsc
|| cred
->imsi
)
142 if (!cred
->eap_method
)
144 if (cred
->realm
&& cred
->roaming_consortium_len
== 0)
151 static int cred_with_domain(struct wpa_supplicant
*wpa_s
)
153 struct wpa_cred
*cred
;
155 for (cred
= wpa_s
->conf
->cred
; cred
; cred
= cred
->next
) {
156 if (cred
->domain
|| cred
->pcsc
|| cred
->imsi
)
163 static int additional_roaming_consortiums(struct wpa_bss
*bss
)
166 ie
= wpa_bss_get_ie(bss
, WLAN_EID_ROAMING_CONSORTIUM
);
167 if (ie
== NULL
|| ie
[1] == 0)
169 return ie
[2]; /* Number of ANQP OIs */
173 static int interworking_anqp_send_req(struct wpa_supplicant
*wpa_s
,
180 size_t num_info_ids
= 0;
181 struct wpabuf
*extra
= NULL
;
182 int all
= wpa_s
->fetch_all_anqp
;
184 wpa_printf(MSG_DEBUG
, "Interworking: ANQP Query Request to " MACSTR
,
185 MAC2STR(bss
->bssid
));
187 info_ids
[num_info_ids
++] = ANQP_CAPABILITY_LIST
;
189 info_ids
[num_info_ids
++] = ANQP_VENUE_NAME
;
190 info_ids
[num_info_ids
++] = ANQP_NETWORK_AUTH_TYPE
;
192 if (all
|| (cred_with_roaming_consortium(wpa_s
) &&
193 additional_roaming_consortiums(bss
)))
194 info_ids
[num_info_ids
++] = ANQP_ROAMING_CONSORTIUM
;
196 info_ids
[num_info_ids
++] = ANQP_IP_ADDR_TYPE_AVAILABILITY
;
197 if (all
|| cred_with_nai_realm(wpa_s
))
198 info_ids
[num_info_ids
++] = ANQP_NAI_REALM
;
199 if (all
|| cred_with_3gpp(wpa_s
))
200 info_ids
[num_info_ids
++] = ANQP_3GPP_CELLULAR_NETWORK
;
201 if (all
|| cred_with_domain(wpa_s
))
202 info_ids
[num_info_ids
++] = ANQP_DOMAIN_NAME
;
203 wpa_hexdump(MSG_DEBUG
, "Interworking: ANQP Query info",
204 (u8
*) info_ids
, num_info_ids
* 2);
207 if (wpa_bss_get_vendor_ie(bss
, HS20_IE_VENDOR_TYPE
)) {
210 extra
= wpabuf_alloc(100);
214 len_pos
= gas_anqp_add_element(extra
, ANQP_VENDOR_SPECIFIC
);
215 wpabuf_put_be24(extra
, OUI_WFA
);
216 wpabuf_put_u8(extra
, HS20_ANQP_OUI_TYPE
);
217 wpabuf_put_u8(extra
, HS20_STYPE_QUERY_LIST
);
218 wpabuf_put_u8(extra
, 0); /* Reserved */
219 wpabuf_put_u8(extra
, HS20_STYPE_CAPABILITY_LIST
);
222 HS20_STYPE_OPERATOR_FRIENDLY_NAME
);
223 wpabuf_put_u8(extra
, HS20_STYPE_WAN_METRICS
);
224 wpabuf_put_u8(extra
, HS20_STYPE_CONNECTION_CAPABILITY
);
225 wpabuf_put_u8(extra
, HS20_STYPE_OPERATING_CLASS
);
227 gas_anqp_set_element_len(extra
, len_pos
);
229 #endif /* CONFIG_HS20 */
231 buf
= anqp_build_req(info_ids
, num_info_ids
, extra
);
236 res
= gas_query_req(wpa_s
->gas
, bss
->bssid
, bss
->freq
, buf
,
237 interworking_anqp_resp_cb
, wpa_s
);
239 wpa_printf(MSG_DEBUG
, "ANQP: Failed to send Query Request");
242 wpa_printf(MSG_DEBUG
, "ANQP: Query started with dialog token "
250 struct nai_realm_eap
{
253 enum nai_realm_eap_auth_inner_non_eap inner_non_eap
;
255 u8 tunneled_cred_type
;
262 struct nai_realm_eap
*eap
;
266 static void nai_realm_free(struct nai_realm
*realms
, u16 count
)
272 for (i
= 0; i
< count
; i
++) {
273 os_free(realms
[i
].eap
);
274 os_free(realms
[i
].realm
);
280 static const u8
* nai_realm_parse_eap(struct nai_realm_eap
*e
, const u8
*pos
,
283 u8 elen
, auth_count
, a
;
287 wpa_printf(MSG_DEBUG
, "No room for EAP Method fixed fields");
292 if (pos
+ elen
> end
|| elen
< 2) {
293 wpa_printf(MSG_DEBUG
, "No room for EAP Method subfield");
299 wpa_printf(MSG_DEBUG
, "EAP Method: len=%u method=%u auth_count=%u",
300 elen
, e
->method
, auth_count
);
302 for (a
= 0; a
< auth_count
; a
++) {
305 if (pos
+ 2 > end
|| pos
+ 2 + pos
[1] > end
) {
306 wpa_printf(MSG_DEBUG
, "No room for Authentication "
307 "Parameter subfield");
315 case NAI_REALM_EAP_AUTH_NON_EAP_INNER_AUTH
:
318 e
->inner_non_eap
= *pos
;
319 if (e
->method
!= EAP_TYPE_TTLS
)
322 case NAI_REALM_INNER_NON_EAP_PAP
:
323 wpa_printf(MSG_DEBUG
, "EAP-TTLS/PAP");
325 case NAI_REALM_INNER_NON_EAP_CHAP
:
326 wpa_printf(MSG_DEBUG
, "EAP-TTLS/CHAP");
328 case NAI_REALM_INNER_NON_EAP_MSCHAP
:
329 wpa_printf(MSG_DEBUG
, "EAP-TTLS/MSCHAP");
331 case NAI_REALM_INNER_NON_EAP_MSCHAPV2
:
332 wpa_printf(MSG_DEBUG
, "EAP-TTLS/MSCHAPV2");
336 case NAI_REALM_EAP_AUTH_INNER_AUTH_EAP_METHOD
:
339 e
->inner_method
= *pos
;
340 wpa_printf(MSG_DEBUG
, "Inner EAP method: %u",
343 case NAI_REALM_EAP_AUTH_CRED_TYPE
:
347 wpa_printf(MSG_DEBUG
, "Credential Type: %u",
350 case NAI_REALM_EAP_AUTH_TUNNELED_CRED_TYPE
:
353 e
->tunneled_cred_type
= *pos
;
354 wpa_printf(MSG_DEBUG
, "Tunneled EAP Method Credential "
355 "Type: %u", e
->tunneled_cred_type
);
358 wpa_printf(MSG_DEBUG
, "Unsupported Authentication "
359 "Parameter: id=%u len=%u", id
, len
);
360 wpa_hexdump(MSG_DEBUG
, "Authentication Parameter "
372 static const u8
* nai_realm_parse_realm(struct nai_realm
*r
, const u8
*pos
,
380 wpa_printf(MSG_DEBUG
, "No room for NAI Realm Data "
385 len
= WPA_GET_LE16(pos
); /* NAI Realm Data field Length */
387 if (pos
+ len
> end
|| len
< 3) {
388 wpa_printf(MSG_DEBUG
, "No room for NAI Realm Data "
390 len
, (unsigned int) (end
- pos
));
395 r
->encoding
= *pos
++;
397 if (pos
+ realm_len
> f_end
) {
398 wpa_printf(MSG_DEBUG
, "No room for NAI Realm "
400 realm_len
, (unsigned int) (f_end
- pos
));
403 wpa_hexdump_ascii(MSG_DEBUG
, "NAI Realm", pos
, realm_len
);
404 r
->realm
= os_malloc(realm_len
+ 1);
405 if (r
->realm
== NULL
)
407 os_memcpy(r
->realm
, pos
, realm_len
);
408 r
->realm
[realm_len
] = '\0';
411 if (pos
+ 1 > f_end
) {
412 wpa_printf(MSG_DEBUG
, "No room for EAP Method Count");
415 r
->eap_count
= *pos
++;
416 wpa_printf(MSG_DEBUG
, "EAP Count: %u", r
->eap_count
);
417 if (pos
+ r
->eap_count
* 3 > f_end
) {
418 wpa_printf(MSG_DEBUG
, "No room for EAP Methods");
421 r
->eap
= os_calloc(r
->eap_count
, sizeof(struct nai_realm_eap
));
425 for (e
= 0; e
< r
->eap_count
; e
++) {
426 pos
= nai_realm_parse_eap(&r
->eap
[e
], pos
, f_end
);
435 static struct nai_realm
* nai_realm_parse(struct wpabuf
*anqp
, u16
*count
)
437 struct nai_realm
*realm
;
441 if (anqp
== NULL
|| wpabuf_len(anqp
) < 2)
444 pos
= wpabuf_head_u8(anqp
);
445 end
= pos
+ wpabuf_len(anqp
);
446 num
= WPA_GET_LE16(pos
);
447 wpa_printf(MSG_DEBUG
, "NAI Realm Count: %u", num
);
450 if (num
* 5 > end
- pos
) {
451 wpa_printf(MSG_DEBUG
, "Invalid NAI Realm Count %u - not "
452 "enough data (%u octets) for that many realms",
453 num
, (unsigned int) (end
- pos
));
457 realm
= os_calloc(num
, sizeof(struct nai_realm
));
461 for (i
= 0; i
< num
; i
++) {
462 pos
= nai_realm_parse_realm(&realm
[i
], pos
, end
);
464 nai_realm_free(realm
, num
);
474 static int nai_realm_match(struct nai_realm
*realm
, const char *home_realm
)
476 char *tmp
, *pos
, *end
;
479 if (realm
->realm
== NULL
|| home_realm
== NULL
)
482 if (os_strchr(realm
->realm
, ';') == NULL
)
483 return os_strcasecmp(realm
->realm
, home_realm
) == 0;
485 tmp
= os_strdup(realm
->realm
);
491 end
= os_strchr(pos
, ';');
494 if (os_strcasecmp(pos
, home_realm
) == 0) {
509 static int nai_realm_cred_username(struct nai_realm_eap
*eap
)
511 if (eap_get_name(EAP_VENDOR_IETF
, eap
->method
) == NULL
)
512 return 0; /* method not supported */
514 if (eap
->method
!= EAP_TYPE_TTLS
&& eap
->method
!= EAP_TYPE_PEAP
) {
515 /* Only tunneled methods with username/password supported */
519 if (eap
->method
== EAP_TYPE_PEAP
) {
520 if (eap
->inner_method
&&
521 eap_get_name(EAP_VENDOR_IETF
, eap
->inner_method
) == NULL
)
523 if (!eap
->inner_method
&&
524 eap_get_name(EAP_VENDOR_IETF
, EAP_TYPE_MSCHAPV2
) == NULL
)
528 if (eap
->method
== EAP_TYPE_TTLS
) {
529 if (eap
->inner_method
== 0 && eap
->inner_non_eap
== 0)
530 return 1; /* Assume TTLS/MSCHAPv2 is used */
531 if (eap
->inner_method
&&
532 eap_get_name(EAP_VENDOR_IETF
, eap
->inner_method
) == NULL
)
534 if (eap
->inner_non_eap
&&
535 eap
->inner_non_eap
!= NAI_REALM_INNER_NON_EAP_PAP
&&
536 eap
->inner_non_eap
!= NAI_REALM_INNER_NON_EAP_CHAP
&&
537 eap
->inner_non_eap
!= NAI_REALM_INNER_NON_EAP_MSCHAP
&&
538 eap
->inner_non_eap
!= NAI_REALM_INNER_NON_EAP_MSCHAPV2
)
542 if (eap
->inner_method
&&
543 eap
->inner_method
!= EAP_TYPE_GTC
&&
544 eap
->inner_method
!= EAP_TYPE_MSCHAPV2
)
551 static int nai_realm_cred_cert(struct nai_realm_eap
*eap
)
553 if (eap_get_name(EAP_VENDOR_IETF
, eap
->method
) == NULL
)
554 return 0; /* method not supported */
556 if (eap
->method
!= EAP_TYPE_TLS
) {
557 /* Only EAP-TLS supported for credential authentication */
565 static struct nai_realm_eap
* nai_realm_find_eap(struct wpa_cred
*cred
,
566 struct nai_realm
*realm
)
571 cred
->username
== NULL
||
572 cred
->username
[0] == '\0' ||
573 ((cred
->password
== NULL
||
574 cred
->password
[0] == '\0') &&
575 (cred
->private_key
== NULL
||
576 cred
->private_key
[0] == '\0')))
579 for (e
= 0; e
< realm
->eap_count
; e
++) {
580 struct nai_realm_eap
*eap
= &realm
->eap
[e
];
581 if (cred
->password
&& cred
->password
[0] &&
582 nai_realm_cred_username(eap
))
584 if (cred
->private_key
&& cred
->private_key
[0] &&
585 nai_realm_cred_cert(eap
))
593 #ifdef INTERWORKING_3GPP
595 static int plmn_id_match(struct wpabuf
*anqp
, const char *imsi
, int mnc_len
)
601 /* See Annex A of 3GPP TS 24.234 v8.1.0 for description */
602 plmn
[0] = (imsi
[0] - '0') | ((imsi
[1] - '0') << 4);
603 plmn
[1] = imsi
[2] - '0';
604 /* default to MNC length 3 if unknown */
606 plmn
[1] |= (imsi
[5] - '0') << 4;
609 plmn
[2] = (imsi
[3] - '0') | ((imsi
[4] - '0') << 4);
613 pos
= wpabuf_head_u8(anqp
);
614 end
= pos
+ wpabuf_len(anqp
);
618 wpa_printf(MSG_DEBUG
, "Unsupported GUD version 0x%x", *pos
);
623 if (pos
+ udhl
> end
) {
624 wpa_printf(MSG_DEBUG
, "Invalid UDHL");
629 while (pos
+ 2 <= end
) {
638 if (iei
== 0 && len
> 0) {
642 for (i
= 0; i
< num
; i
++) {
645 if (os_memcmp(pos
, plmn
, 3) == 0)
646 return 1; /* Found matching PLMN */
658 static int build_root_nai(char *nai
, size_t nai_len
, const char *imsi
,
659 size_t mnc_len
, char prefix
)
661 const char *sep
, *msin
;
663 size_t msin_len
, plmn_len
;
666 * TS 23.003, Clause 14 (3GPP to WLAN Interworking)
668 * <aka:0|sim:1><IMSI>@wlan.mnc<MNC>.mcc<MCC>.3gppnetwork.org
669 * <MNC> is zero-padded to three digits in case two-digit MNC is used
672 if (imsi
== NULL
|| os_strlen(imsi
) > 16) {
673 wpa_printf(MSG_DEBUG
, "No valid IMSI available");
676 sep
= os_strchr(imsi
, '-');
678 plmn_len
= sep
- imsi
;
680 } else if (mnc_len
&& os_strlen(imsi
) >= 3 + mnc_len
) {
681 plmn_len
= 3 + mnc_len
;
682 msin
= imsi
+ plmn_len
;
685 if (plmn_len
!= 5 && plmn_len
!= 6)
687 msin_len
= os_strlen(msin
);
693 os_memcpy(pos
, imsi
, plmn_len
);
695 os_memcpy(pos
, msin
, msin_len
);
697 pos
+= os_snprintf(pos
, end
- pos
, "@wlan.mnc");
707 pos
+= os_snprintf(pos
, end
- pos
, ".mcc%c%c%c.3gppnetwork.org",
708 imsi
[0], imsi
[1], imsi
[2]);
714 static int set_root_nai(struct wpa_ssid
*ssid
, const char *imsi
, char prefix
)
717 if (build_root_nai(nai
, sizeof(nai
), imsi
, 0, prefix
) < 0)
719 return wpa_config_set_quoted(ssid
, "identity", nai
);
722 #endif /* INTERWORKING_3GPP */
725 static int interworking_set_hs20_params(struct wpa_supplicant
*wpa_s
,
726 struct wpa_ssid
*ssid
)
728 if (wpa_config_set(ssid
, "key_mgmt",
729 wpa_s
->conf
->pmf
!= NO_MGMT_FRAME_PROTECTION
?
730 "WPA-EAP WPA-EAP-SHA256" : "WPA-EAP", 0) < 0)
732 if (wpa_config_set(ssid
, "proto", "RSN", 0) < 0)
734 if (wpa_config_set(ssid
, "pairwise", "CCMP", 0) < 0)
740 static int interworking_connect_3gpp(struct wpa_supplicant
*wpa_s
,
743 #ifdef INTERWORKING_3GPP
744 struct wpa_cred
*cred
;
745 struct wpa_ssid
*ssid
;
751 if (bss
->anqp
== NULL
|| bss
->anqp
->anqp_3gpp
== NULL
)
754 for (cred
= wpa_s
->conf
->cred
; cred
; cred
= cred
->next
) {
760 if (cred
->pcsc
&& wpa_s
->conf
->pcsc_reader
&& wpa_s
->scard
&&
763 mnc_len
= wpa_s
->mnc_len
;
766 #endif /* PCSC_FUNCS */
768 if (cred
->imsi
== NULL
|| !cred
->imsi
[0] ||
769 cred
->milenage
== NULL
|| !cred
->milenage
[0])
772 sep
= os_strchr(cred
->imsi
, '-');
774 (sep
- cred
->imsi
!= 5 && sep
- cred
->imsi
!= 6))
776 mnc_len
= sep
- cred
->imsi
- 3;
781 #endif /* PCSC_FUNCS */
782 if (plmn_id_match(bss
->anqp
->anqp_3gpp
, imsi
, mnc_len
))
788 ie
= wpa_bss_get_ie(bss
, WLAN_EID_SSID
);
791 wpa_printf(MSG_DEBUG
, "Interworking: Connect with " MACSTR
" (3GPP)",
792 MAC2STR(bss
->bssid
));
794 ssid
= wpa_config_add_network(wpa_s
->conf
);
797 ssid
->parent_cred
= cred
;
799 wpas_notify_network_added(wpa_s
, ssid
);
800 wpa_config_set_network_defaults(ssid
);
801 ssid
->priority
= cred
->priority
;
803 ssid
->ssid
= os_zalloc(ie
[1] + 1);
804 if (ssid
->ssid
== NULL
)
806 os_memcpy(ssid
->ssid
, ie
+ 2, ie
[1]);
807 ssid
->ssid_len
= ie
[1];
809 if (interworking_set_hs20_params(wpa_s
, ssid
) < 0)
812 eap_type
= EAP_TYPE_SIM
;
813 if (cred
->pcsc
&& wpa_s
->scard
&& scard_supports_umts(wpa_s
->scard
))
814 eap_type
= EAP_TYPE_AKA
;
815 if (cred
->eap_method
&& cred
->eap_method
[0].vendor
== EAP_VENDOR_IETF
) {
816 if (cred
->eap_method
[0].method
== EAP_TYPE_SIM
||
817 cred
->eap_method
[0].method
== EAP_TYPE_AKA
||
818 cred
->eap_method
[0].method
== EAP_TYPE_AKA_PRIME
)
819 eap_type
= cred
->eap_method
[0].method
;
825 res
= wpa_config_set(ssid
, "eap", "SIM", 0);
829 res
= wpa_config_set(ssid
, "eap", "AKA", 0);
831 case EAP_TYPE_AKA_PRIME
:
833 res
= wpa_config_set(ssid
, "eap", "AKA'", 0);
840 wpa_printf(MSG_DEBUG
, "Selected EAP method (%d) not supported",
845 if (!cred
->pcsc
&& set_root_nai(ssid
, cred
->imsi
, prefix
) < 0) {
846 wpa_printf(MSG_DEBUG
, "Failed to set Root NAI");
850 if (cred
->milenage
&& cred
->milenage
[0]) {
851 if (wpa_config_set_quoted(ssid
, "password",
854 } else if (cred
->pcsc
) {
855 if (wpa_config_set_quoted(ssid
, "pcsc", "") < 0)
857 if (wpa_s
->conf
->pcsc_pin
&&
858 wpa_config_set_quoted(ssid
, "pin", wpa_s
->conf
->pcsc_pin
)
863 if (cred
->password
&& cred
->password
[0] &&
864 wpa_config_set_quoted(ssid
, "password", cred
->password
) < 0)
867 wpa_config_update_prio_list(wpa_s
->conf
);
868 interworking_reconnect(wpa_s
);
873 wpas_notify_network_removed(wpa_s
, ssid
);
874 wpa_config_remove_network(wpa_s
->conf
, ssid
->id
);
875 #endif /* INTERWORKING_3GPP */
880 static int roaming_consortium_element_match(const u8
*ie
, const u8
*rc_id
,
890 end
= ie
+ 2 + ie
[1];
892 /* Roaming Consortium element:
894 * OI #1 and #2 lengths
895 * OI #1, [OI #2], [OI #3]
901 pos
++; /* skip Number of ANQP OIs */
903 if (pos
+ (lens
& 0x0f) + (lens
>> 4) > end
)
906 if ((lens
& 0x0f) == rc_len
&& os_memcmp(pos
, rc_id
, rc_len
) == 0)
910 if ((lens
>> 4) == rc_len
&& os_memcmp(pos
, rc_id
, rc_len
) == 0)
914 if (pos
< end
&& (size_t) (end
- pos
) == rc_len
&&
915 os_memcmp(pos
, rc_id
, rc_len
) == 0)
922 static int roaming_consortium_anqp_match(const struct wpabuf
*anqp
,
923 const u8
*rc_id
, size_t rc_len
)
931 pos
= wpabuf_head(anqp
);
932 end
= pos
+ wpabuf_len(anqp
);
934 /* Set of <OI Length, OI> duples */
939 if (len
== rc_len
&& os_memcmp(pos
, rc_id
, rc_len
) == 0)
948 static int roaming_consortium_match(const u8
*ie
, const struct wpabuf
*anqp
,
949 const u8
*rc_id
, size_t rc_len
)
951 return roaming_consortium_element_match(ie
, rc_id
, rc_len
) ||
952 roaming_consortium_anqp_match(anqp
, rc_id
, rc_len
);
956 static int cred_excluded_ssid(struct wpa_cred
*cred
, struct wpa_bss
*bss
)
960 if (!cred
->excluded_ssid
)
963 for (i
= 0; i
< cred
->num_excluded_ssid
; i
++) {
964 struct excluded_ssid
*e
= &cred
->excluded_ssid
[i
];
965 if (bss
->ssid_len
== e
->ssid_len
&&
966 os_memcmp(bss
->ssid
, e
->ssid
, e
->ssid_len
) == 0)
974 static struct wpa_cred
* interworking_credentials_available_roaming_consortium(
975 struct wpa_supplicant
*wpa_s
, struct wpa_bss
*bss
)
977 struct wpa_cred
*cred
, *selected
= NULL
;
980 ie
= wpa_bss_get_ie(bss
, WLAN_EID_ROAMING_CONSORTIUM
);
983 (bss
->anqp
== NULL
|| bss
->anqp
->roaming_consortium
== NULL
))
986 if (wpa_s
->conf
->cred
== NULL
)
989 for (cred
= wpa_s
->conf
->cred
; cred
; cred
= cred
->next
) {
990 if (cred
->roaming_consortium_len
== 0)
993 if (!roaming_consortium_match(ie
,
995 bss
->anqp
->roaming_consortium
:
997 cred
->roaming_consortium
,
998 cred
->roaming_consortium_len
))
1001 if (cred_excluded_ssid(cred
, bss
))
1004 if (selected
== NULL
||
1005 selected
->priority
< cred
->priority
)
1013 static int interworking_set_eap_params(struct wpa_ssid
*ssid
,
1014 struct wpa_cred
*cred
, int ttls
)
1016 if (cred
->eap_method
) {
1017 ttls
= cred
->eap_method
->vendor
== EAP_VENDOR_IETF
&&
1018 cred
->eap_method
->method
== EAP_TYPE_TTLS
;
1020 os_free(ssid
->eap
.eap_methods
);
1021 ssid
->eap
.eap_methods
=
1022 os_malloc(sizeof(struct eap_method_type
) * 2);
1023 if (ssid
->eap
.eap_methods
== NULL
)
1025 os_memcpy(ssid
->eap
.eap_methods
, cred
->eap_method
,
1026 sizeof(*cred
->eap_method
));
1027 ssid
->eap
.eap_methods
[1].vendor
= EAP_VENDOR_IETF
;
1028 ssid
->eap
.eap_methods
[1].method
= EAP_TYPE_NONE
;
1031 if (ttls
&& cred
->username
&& cred
->username
[0]) {
1034 /* Use anonymous NAI in Phase 1 */
1035 pos
= os_strchr(cred
->username
, '@');
1037 size_t buflen
= 9 + os_strlen(pos
) + 1;
1038 anon
= os_malloc(buflen
);
1041 os_snprintf(anon
, buflen
, "anonymous%s", pos
);
1042 } else if (cred
->realm
) {
1043 size_t buflen
= 10 + os_strlen(cred
->realm
) + 1;
1044 anon
= os_malloc(buflen
);
1047 os_snprintf(anon
, buflen
, "anonymous@%s", cred
->realm
);
1049 anon
= os_strdup("anonymous");
1053 if (wpa_config_set_quoted(ssid
, "anonymous_identity", anon
) <
1061 if (cred
->username
&& cred
->username
[0] &&
1062 wpa_config_set_quoted(ssid
, "identity", cred
->username
) < 0)
1065 if (cred
->password
&& cred
->password
[0]) {
1066 if (cred
->ext_password
&&
1067 wpa_config_set(ssid
, "password", cred
->password
, 0) < 0)
1069 if (!cred
->ext_password
&&
1070 wpa_config_set_quoted(ssid
, "password", cred
->password
) <
1075 if (cred
->client_cert
&& cred
->client_cert
[0] &&
1076 wpa_config_set_quoted(ssid
, "client_cert", cred
->client_cert
) < 0)
1080 if (cred
->private_key
&&
1081 os_strncmp(cred
->private_key
, "keystore://", 11) == 0) {
1082 /* Use OpenSSL engine configuration for Android keystore */
1083 if (wpa_config_set_quoted(ssid
, "engine_id", "keystore") < 0 ||
1084 wpa_config_set_quoted(ssid
, "key_id",
1085 cred
->private_key
+ 11) < 0 ||
1086 wpa_config_set(ssid
, "engine", "1", 0) < 0)
1089 #endif /* ANDROID */
1090 if (cred
->private_key
&& cred
->private_key
[0] &&
1091 wpa_config_set_quoted(ssid
, "private_key", cred
->private_key
) < 0)
1094 if (cred
->private_key_passwd
&& cred
->private_key_passwd
[0] &&
1095 wpa_config_set_quoted(ssid
, "private_key_passwd",
1096 cred
->private_key_passwd
) < 0)
1100 os_free(ssid
->eap
.phase1
);
1101 ssid
->eap
.phase1
= os_strdup(cred
->phase1
);
1104 os_free(ssid
->eap
.phase2
);
1105 ssid
->eap
.phase2
= os_strdup(cred
->phase2
);
1108 if (cred
->ca_cert
&& cred
->ca_cert
[0] &&
1109 wpa_config_set_quoted(ssid
, "ca_cert", cred
->ca_cert
) < 0)
1116 static int interworking_connect_roaming_consortium(
1117 struct wpa_supplicant
*wpa_s
, struct wpa_cred
*cred
,
1118 struct wpa_bss
*bss
, const u8
*ssid_ie
)
1120 struct wpa_ssid
*ssid
;
1122 wpa_printf(MSG_DEBUG
, "Interworking: Connect with " MACSTR
" based on "
1123 "roaming consortium match", MAC2STR(bss
->bssid
));
1125 ssid
= wpa_config_add_network(wpa_s
->conf
);
1128 ssid
->parent_cred
= cred
;
1129 wpas_notify_network_added(wpa_s
, ssid
);
1130 wpa_config_set_network_defaults(ssid
);
1131 ssid
->priority
= cred
->priority
;
1132 ssid
->temporary
= 1;
1133 ssid
->ssid
= os_zalloc(ssid_ie
[1] + 1);
1134 if (ssid
->ssid
== NULL
)
1136 os_memcpy(ssid
->ssid
, ssid_ie
+ 2, ssid_ie
[1]);
1137 ssid
->ssid_len
= ssid_ie
[1];
1139 if (interworking_set_hs20_params(wpa_s
, ssid
) < 0)
1142 if (cred
->eap_method
== NULL
) {
1143 wpa_printf(MSG_DEBUG
, "Interworking: No EAP method set for "
1144 "credential using roaming consortium");
1148 if (interworking_set_eap_params(
1150 cred
->eap_method
->vendor
== EAP_VENDOR_IETF
&&
1151 cred
->eap_method
->method
== EAP_TYPE_TTLS
) < 0)
1154 wpa_config_update_prio_list(wpa_s
->conf
);
1155 interworking_reconnect(wpa_s
);
1160 wpas_notify_network_removed(wpa_s
, ssid
);
1161 wpa_config_remove_network(wpa_s
->conf
, ssid
->id
);
1166 int interworking_connect(struct wpa_supplicant
*wpa_s
, struct wpa_bss
*bss
)
1168 struct wpa_cred
*cred
;
1169 struct wpa_ssid
*ssid
;
1170 struct nai_realm
*realm
;
1171 struct nai_realm_eap
*eap
= NULL
;
1176 if (wpa_s
->conf
->cred
== NULL
|| bss
== NULL
)
1178 ie
= wpa_bss_get_ie(bss
, WLAN_EID_SSID
);
1179 if (ie
== NULL
|| ie
[1] == 0) {
1180 wpa_printf(MSG_DEBUG
, "Interworking: No SSID known for "
1181 MACSTR
, MAC2STR(bss
->bssid
));
1185 if (!wpa_bss_get_ie(bss
, WLAN_EID_RSN
)) {
1187 * We currently support only HS 2.0 networks and those are
1188 * required to use WPA2-Enterprise.
1190 wpa_printf(MSG_DEBUG
, "Interworking: Network does not use "
1195 cred
= interworking_credentials_available_roaming_consortium(wpa_s
,
1198 return interworking_connect_roaming_consortium(wpa_s
, cred
,
1201 realm
= nai_realm_parse(bss
->anqp
? bss
->anqp
->nai_realm
: NULL
,
1203 if (realm
== NULL
) {
1204 wpa_printf(MSG_DEBUG
, "Interworking: Could not parse NAI "
1205 "Realm list from " MACSTR
, MAC2STR(bss
->bssid
));
1209 for (cred
= wpa_s
->conf
->cred
; cred
; cred
= cred
->next
) {
1210 for (i
= 0; i
< count
; i
++) {
1211 if (!nai_realm_match(&realm
[i
], cred
->realm
))
1213 eap
= nai_realm_find_eap(cred
, &realm
[i
]);
1222 if (interworking_connect_3gpp(wpa_s
, bss
) == 0) {
1224 nai_realm_free(realm
, count
);
1228 wpa_printf(MSG_DEBUG
, "Interworking: No matching credentials "
1229 "and EAP method found for " MACSTR
,
1230 MAC2STR(bss
->bssid
));
1231 nai_realm_free(realm
, count
);
1235 wpa_printf(MSG_DEBUG
, "Interworking: Connect with " MACSTR
,
1236 MAC2STR(bss
->bssid
));
1238 ssid
= wpa_config_add_network(wpa_s
->conf
);
1240 nai_realm_free(realm
, count
);
1243 ssid
->parent_cred
= cred
;
1244 wpas_notify_network_added(wpa_s
, ssid
);
1245 wpa_config_set_network_defaults(ssid
);
1246 ssid
->priority
= cred
->priority
;
1247 ssid
->temporary
= 1;
1248 ssid
->ssid
= os_zalloc(ie
[1] + 1);
1249 if (ssid
->ssid
== NULL
)
1251 os_memcpy(ssid
->ssid
, ie
+ 2, ie
[1]);
1252 ssid
->ssid_len
= ie
[1];
1254 if (interworking_set_hs20_params(wpa_s
, ssid
) < 0)
1257 if (wpa_config_set(ssid
, "eap", eap_get_name(EAP_VENDOR_IETF
,
1258 eap
->method
), 0) < 0)
1261 switch (eap
->method
) {
1263 if (eap
->inner_method
) {
1264 os_snprintf(buf
, sizeof(buf
), "\"autheap=%s\"",
1265 eap_get_name(EAP_VENDOR_IETF
,
1266 eap
->inner_method
));
1267 if (wpa_config_set(ssid
, "phase2", buf
, 0) < 0)
1271 switch (eap
->inner_non_eap
) {
1272 case NAI_REALM_INNER_NON_EAP_PAP
:
1273 if (wpa_config_set(ssid
, "phase2", "\"auth=PAP\"", 0) <
1277 case NAI_REALM_INNER_NON_EAP_CHAP
:
1278 if (wpa_config_set(ssid
, "phase2", "\"auth=CHAP\"", 0)
1282 case NAI_REALM_INNER_NON_EAP_MSCHAP
:
1283 if (wpa_config_set(ssid
, "phase2", "\"auth=MSCHAP\"",
1287 case NAI_REALM_INNER_NON_EAP_MSCHAPV2
:
1288 if (wpa_config_set(ssid
, "phase2", "\"auth=MSCHAPV2\"",
1293 /* EAP params were not set - assume TTLS/MSCHAPv2 */
1294 if (wpa_config_set(ssid
, "phase2", "\"auth=MSCHAPV2\"",
1301 os_snprintf(buf
, sizeof(buf
), "\"auth=%s\"",
1302 eap_get_name(EAP_VENDOR_IETF
,
1305 EAP_TYPE_MSCHAPV2
));
1306 if (wpa_config_set(ssid
, "phase2", buf
, 0) < 0)
1313 if (interworking_set_eap_params(ssid
, cred
,
1314 eap
->method
== EAP_TYPE_TTLS
) < 0)
1317 nai_realm_free(realm
, count
);
1319 wpa_config_update_prio_list(wpa_s
->conf
);
1320 interworking_reconnect(wpa_s
);
1325 wpas_notify_network_removed(wpa_s
, ssid
);
1326 wpa_config_remove_network(wpa_s
->conf
, ssid
->id
);
1327 nai_realm_free(realm
, count
);
1332 static struct wpa_cred
* interworking_credentials_available_3gpp(
1333 struct wpa_supplicant
*wpa_s
, struct wpa_bss
*bss
)
1335 struct wpa_cred
*cred
, *selected
= NULL
;
1338 #ifdef INTERWORKING_3GPP
1339 if (bss
->anqp
== NULL
|| bss
->anqp
->anqp_3gpp
== NULL
)
1342 for (cred
= wpa_s
->conf
->cred
; cred
; cred
= cred
->next
) {
1348 if (cred
->pcsc
&& wpa_s
->conf
->pcsc_reader
&& wpa_s
->scard
&&
1351 mnc_len
= wpa_s
->mnc_len
;
1354 #endif /* PCSC_FUNCS */
1356 if (cred
->imsi
== NULL
|| !cred
->imsi
[0] ||
1357 cred
->milenage
== NULL
|| !cred
->milenage
[0])
1360 sep
= os_strchr(cred
->imsi
, '-');
1362 (sep
- cred
->imsi
!= 5 && sep
- cred
->imsi
!= 6))
1364 mnc_len
= sep
- cred
->imsi
- 3;
1369 #endif /* PCSC_FUNCS */
1370 wpa_printf(MSG_DEBUG
, "Interworking: Parsing 3GPP info from "
1371 MACSTR
, MAC2STR(bss
->bssid
));
1372 ret
= plmn_id_match(bss
->anqp
->anqp_3gpp
, imsi
, mnc_len
);
1373 wpa_printf(MSG_DEBUG
, "PLMN match %sfound", ret
? "" : "not ");
1375 if (cred_excluded_ssid(cred
, bss
))
1377 if (selected
== NULL
||
1378 selected
->priority
< cred
->priority
)
1382 #endif /* INTERWORKING_3GPP */
1387 static struct wpa_cred
* interworking_credentials_available_realm(
1388 struct wpa_supplicant
*wpa_s
, struct wpa_bss
*bss
)
1390 struct wpa_cred
*cred
, *selected
= NULL
;
1391 struct nai_realm
*realm
;
1394 if (bss
->anqp
== NULL
|| bss
->anqp
->nai_realm
== NULL
)
1397 if (wpa_s
->conf
->cred
== NULL
)
1400 wpa_printf(MSG_DEBUG
, "Interworking: Parsing NAI Realm list from "
1401 MACSTR
, MAC2STR(bss
->bssid
));
1402 realm
= nai_realm_parse(bss
->anqp
->nai_realm
, &count
);
1403 if (realm
== NULL
) {
1404 wpa_printf(MSG_DEBUG
, "Interworking: Could not parse NAI "
1405 "Realm list from " MACSTR
, MAC2STR(bss
->bssid
));
1409 for (cred
= wpa_s
->conf
->cred
; cred
; cred
= cred
->next
) {
1410 if (cred
->realm
== NULL
)
1413 for (i
= 0; i
< count
; i
++) {
1414 if (!nai_realm_match(&realm
[i
], cred
->realm
))
1416 if (nai_realm_find_eap(cred
, &realm
[i
])) {
1417 if (cred_excluded_ssid(cred
, bss
))
1419 if (selected
== NULL
||
1420 selected
->priority
< cred
->priority
)
1427 nai_realm_free(realm
, count
);
1433 static struct wpa_cred
* interworking_credentials_available(
1434 struct wpa_supplicant
*wpa_s
, struct wpa_bss
*bss
)
1436 struct wpa_cred
*cred
, *cred2
;
1438 cred
= interworking_credentials_available_realm(wpa_s
, bss
);
1439 cred2
= interworking_credentials_available_3gpp(wpa_s
, bss
);
1440 if (cred
&& cred2
&& cred2
->priority
>= cred
->priority
)
1445 cred2
= interworking_credentials_available_roaming_consortium(wpa_s
,
1447 if (cred
&& cred2
&& cred2
->priority
>= cred
->priority
)
1456 static int domain_name_list_contains(struct wpabuf
*domain_names
,
1459 const u8
*pos
, *end
;
1462 len
= os_strlen(domain
);
1463 pos
= wpabuf_head(domain_names
);
1464 end
= pos
+ wpabuf_len(domain_names
);
1466 while (pos
+ 1 < end
) {
1467 if (pos
+ 1 + pos
[0] > end
)
1470 wpa_hexdump_ascii(MSG_DEBUG
, "Interworking: AP domain name",
1472 if (pos
[0] == len
&&
1473 os_strncasecmp(domain
, (const char *) (pos
+ 1), len
) == 0)
1483 int interworking_home_sp_cred(struct wpa_supplicant
*wpa_s
,
1484 struct wpa_cred
*cred
,
1485 struct wpabuf
*domain_names
)
1487 #ifdef INTERWORKING_3GPP
1488 char nai
[100], *realm
;
1495 else if (cred
->pcsc
&& wpa_s
->conf
->pcsc_reader
&&
1496 wpa_s
->scard
&& wpa_s
->imsi
[0]) {
1498 mnc_len
= wpa_s
->mnc_len
;
1500 #endif /* CONFIG_PCSC */
1502 imsi
&& build_root_nai(nai
, sizeof(nai
), imsi
, mnc_len
, 0) == 0) {
1503 realm
= os_strchr(nai
, '@');
1506 wpa_printf(MSG_DEBUG
, "Interworking: Search for match "
1507 "with SIM/USIM domain %s", realm
);
1509 domain_name_list_contains(domain_names
, realm
))
1512 #endif /* INTERWORKING_3GPP */
1514 if (domain_names
== NULL
|| cred
->domain
== NULL
)
1517 wpa_printf(MSG_DEBUG
, "Interworking: Search for match with "
1518 "home SP FQDN %s", cred
->domain
);
1519 if (domain_name_list_contains(domain_names
, cred
->domain
))
1526 static int interworking_home_sp(struct wpa_supplicant
*wpa_s
,
1527 struct wpabuf
*domain_names
)
1529 struct wpa_cred
*cred
;
1531 if (domain_names
== NULL
|| wpa_s
->conf
->cred
== NULL
)
1534 for (cred
= wpa_s
->conf
->cred
; cred
; cred
= cred
->next
) {
1535 int res
= interworking_home_sp_cred(wpa_s
, cred
, domain_names
);
1544 static int interworking_find_network_match(struct wpa_supplicant
*wpa_s
)
1546 struct wpa_bss
*bss
;
1547 struct wpa_ssid
*ssid
;
1549 dl_list_for_each(bss
, &wpa_s
->bss
, struct wpa_bss
, list
) {
1550 for (ssid
= wpa_s
->conf
->ssid
; ssid
; ssid
= ssid
->next
) {
1551 if (wpas_network_disabled(wpa_s
, ssid
) ||
1552 ssid
->mode
!= WPAS_MODE_INFRA
)
1554 if (ssid
->ssid_len
!= bss
->ssid_len
||
1555 os_memcmp(ssid
->ssid
, bss
->ssid
, ssid
->ssid_len
) !=
1559 * TODO: Consider more accurate matching of security
1560 * configuration similarly to what is done in events.c
1570 static void interworking_select_network(struct wpa_supplicant
*wpa_s
)
1572 struct wpa_bss
*bss
, *selected
= NULL
, *selected_home
= NULL
;
1573 int selected_prio
= -999999, selected_home_prio
= -999999;
1574 unsigned int count
= 0;
1577 struct wpa_cred
*cred
;
1579 wpa_s
->network_select
= 0;
1581 dl_list_for_each(bss
, &wpa_s
->bss
, struct wpa_bss
, list
) {
1582 cred
= interworking_credentials_available(wpa_s
, bss
);
1585 if (!wpa_bss_get_ie(bss
, WLAN_EID_RSN
)) {
1587 * We currently support only HS 2.0 networks and those
1588 * are required to use WPA2-Enterprise.
1590 wpa_printf(MSG_DEBUG
, "Interworking: Credential match "
1591 "with " MACSTR
" but network does not use "
1592 "RSN", MAC2STR(bss
->bssid
));
1596 res
= interworking_home_sp(wpa_s
, bss
->anqp
?
1597 bss
->anqp
->domain_name
: NULL
);
1604 wpa_msg(wpa_s
, MSG_INFO
, INTERWORKING_AP MACSTR
" type=%s",
1605 MAC2STR(bss
->bssid
), type
);
1606 if (wpa_s
->auto_select
||
1607 (wpa_s
->conf
->auto_interworking
&&
1608 wpa_s
->auto_network_select
)) {
1609 if (selected
== NULL
||
1610 cred
->priority
> selected_prio
) {
1612 selected_prio
= cred
->priority
;
1615 (selected_home
== NULL
||
1616 cred
->priority
> selected_home_prio
)) {
1617 selected_home
= bss
;
1618 selected_home_prio
= cred
->priority
;
1623 if (selected_home
&& selected_home
!= selected
&&
1624 selected_home_prio
>= selected_prio
) {
1625 /* Prefer network operated by the Home SP */
1626 selected
= selected_home
;
1631 * No matching network was found based on configured
1632 * credentials. Check whether any of the enabled network blocks
1633 * have matching APs.
1635 if (interworking_find_network_match(wpa_s
)) {
1636 wpa_printf(MSG_DEBUG
, "Interworking: Possible BSS "
1637 "match for enabled network configurations");
1638 if (wpa_s
->auto_select
)
1639 interworking_reconnect(wpa_s
);
1643 if (wpa_s
->auto_network_select
) {
1644 wpa_printf(MSG_DEBUG
, "Interworking: Continue "
1645 "scanning after ANQP fetch");
1646 wpa_supplicant_req_scan(wpa_s
, wpa_s
->scan_interval
,
1651 wpa_msg(wpa_s
, MSG_INFO
, INTERWORKING_NO_MATCH
"No network "
1652 "with matching credentials found");
1656 interworking_connect(wpa_s
, selected
);
1660 static struct wpa_bss_anqp
*
1661 interworking_match_anqp_info(struct wpa_supplicant
*wpa_s
, struct wpa_bss
*bss
)
1663 struct wpa_bss
*other
;
1665 if (is_zero_ether_addr(bss
->hessid
))
1666 return NULL
; /* Cannot be in the same homegenous ESS */
1668 dl_list_for_each(other
, &wpa_s
->bss
, struct wpa_bss
, list
) {
1671 if (other
->anqp
== NULL
)
1673 if (!(other
->flags
& WPA_BSS_ANQP_FETCH_TRIED
))
1675 if (os_memcmp(bss
->hessid
, other
->hessid
, ETH_ALEN
) != 0)
1677 if (bss
->ssid_len
!= other
->ssid_len
||
1678 os_memcmp(bss
->ssid
, other
->ssid
, bss
->ssid_len
) != 0)
1681 wpa_printf(MSG_DEBUG
, "Interworking: Share ANQP data with "
1682 "already fetched BSSID " MACSTR
" and " MACSTR
,
1683 MAC2STR(other
->bssid
), MAC2STR(bss
->bssid
));
1684 other
->anqp
->users
++;
1692 static void interworking_next_anqp_fetch(struct wpa_supplicant
*wpa_s
)
1694 struct wpa_bss
*bss
;
1698 if (!wpa_s
->fetch_anqp_in_progress
)
1701 dl_list_for_each(bss
, &wpa_s
->bss
, struct wpa_bss
, list
) {
1702 if (!(bss
->caps
& IEEE80211_CAP_ESS
))
1704 ie
= wpa_bss_get_ie(bss
, WLAN_EID_EXT_CAPAB
);
1705 if (ie
== NULL
|| ie
[1] < 4 || !(ie
[5] & 0x80))
1706 continue; /* AP does not support Interworking */
1708 if (!(bss
->flags
& WPA_BSS_ANQP_FETCH_TRIED
)) {
1709 if (bss
->anqp
== NULL
) {
1710 bss
->anqp
= interworking_match_anqp_info(wpa_s
,
1713 /* Shared data already fetched */
1716 bss
->anqp
= wpa_bss_anqp_alloc();
1717 if (bss
->anqp
== NULL
)
1721 bss
->flags
|= WPA_BSS_ANQP_FETCH_TRIED
;
1722 wpa_msg(wpa_s
, MSG_INFO
, "Starting ANQP fetch for "
1723 MACSTR
, MAC2STR(bss
->bssid
));
1724 interworking_anqp_send_req(wpa_s
, bss
);
1730 wpa_msg(wpa_s
, MSG_INFO
, "ANQP fetch completed");
1731 wpa_s
->fetch_anqp_in_progress
= 0;
1732 if (wpa_s
->network_select
)
1733 interworking_select_network(wpa_s
);
1738 void interworking_start_fetch_anqp(struct wpa_supplicant
*wpa_s
)
1740 struct wpa_bss
*bss
;
1742 dl_list_for_each(bss
, &wpa_s
->bss
, struct wpa_bss
, list
)
1743 bss
->flags
&= ~WPA_BSS_ANQP_FETCH_TRIED
;
1745 wpa_s
->fetch_anqp_in_progress
= 1;
1746 interworking_next_anqp_fetch(wpa_s
);
1750 int interworking_fetch_anqp(struct wpa_supplicant
*wpa_s
)
1752 if (wpa_s
->fetch_anqp_in_progress
|| wpa_s
->network_select
)
1755 wpa_s
->network_select
= 0;
1756 wpa_s
->fetch_all_anqp
= 1;
1758 interworking_start_fetch_anqp(wpa_s
);
1764 void interworking_stop_fetch_anqp(struct wpa_supplicant
*wpa_s
)
1766 if (!wpa_s
->fetch_anqp_in_progress
)
1769 wpa_s
->fetch_anqp_in_progress
= 0;
1773 int anqp_send_req(struct wpa_supplicant
*wpa_s
, const u8
*dst
,
1774 u16 info_ids
[], size_t num_ids
)
1779 struct wpa_bss
*bss
;
1782 freq
= wpa_s
->assoc_freq
;
1783 bss
= wpa_bss_get_bssid(wpa_s
, dst
);
1785 wpa_bss_anqp_unshare_alloc(bss
);
1791 wpa_printf(MSG_DEBUG
, "ANQP: Query Request to " MACSTR
" for %u id(s)",
1792 MAC2STR(dst
), (unsigned int) num_ids
);
1794 buf
= anqp_build_req(info_ids
, num_ids
, NULL
);
1798 res
= gas_query_req(wpa_s
->gas
, dst
, freq
, buf
, anqp_resp_cb
, wpa_s
);
1800 wpa_printf(MSG_DEBUG
, "ANQP: Failed to send Query Request");
1803 wpa_printf(MSG_DEBUG
, "ANQP: Query started with dialog token "
1811 static void interworking_parse_rx_anqp_resp(struct wpa_supplicant
*wpa_s
,
1812 const u8
*sa
, u16 info_id
,
1813 const u8
*data
, size_t slen
)
1815 const u8
*pos
= data
;
1816 struct wpa_bss
*bss
= wpa_bss_get_bssid(wpa_s
, sa
);
1817 struct wpa_bss_anqp
*anqp
= NULL
;
1820 #endif /* CONFIG_HS20 */
1826 case ANQP_CAPABILITY_LIST
:
1827 wpa_msg(wpa_s
, MSG_INFO
, "RX-ANQP " MACSTR
1828 " ANQP Capability list", MAC2STR(sa
));
1830 case ANQP_VENUE_NAME
:
1831 wpa_msg(wpa_s
, MSG_INFO
, "RX-ANQP " MACSTR
1832 " Venue Name", MAC2STR(sa
));
1833 wpa_hexdump_ascii(MSG_DEBUG
, "ANQP: Venue Name", pos
, slen
);
1835 wpabuf_free(anqp
->venue_name
);
1836 anqp
->venue_name
= wpabuf_alloc_copy(pos
, slen
);
1839 case ANQP_NETWORK_AUTH_TYPE
:
1840 wpa_msg(wpa_s
, MSG_INFO
, "RX-ANQP " MACSTR
1841 " Network Authentication Type information",
1843 wpa_hexdump_ascii(MSG_DEBUG
, "ANQP: Network Authentication "
1846 wpabuf_free(anqp
->network_auth_type
);
1847 anqp
->network_auth_type
= wpabuf_alloc_copy(pos
, slen
);
1850 case ANQP_ROAMING_CONSORTIUM
:
1851 wpa_msg(wpa_s
, MSG_INFO
, "RX-ANQP " MACSTR
1852 " Roaming Consortium list", MAC2STR(sa
));
1853 wpa_hexdump_ascii(MSG_DEBUG
, "ANQP: Roaming Consortium",
1856 wpabuf_free(anqp
->roaming_consortium
);
1857 anqp
->roaming_consortium
= wpabuf_alloc_copy(pos
, slen
);
1860 case ANQP_IP_ADDR_TYPE_AVAILABILITY
:
1861 wpa_msg(wpa_s
, MSG_INFO
, "RX-ANQP " MACSTR
1862 " IP Address Type Availability information",
1864 wpa_hexdump(MSG_MSGDUMP
, "ANQP: IP Address Availability",
1867 wpabuf_free(anqp
->ip_addr_type_availability
);
1868 anqp
->ip_addr_type_availability
=
1869 wpabuf_alloc_copy(pos
, slen
);
1872 case ANQP_NAI_REALM
:
1873 wpa_msg(wpa_s
, MSG_INFO
, "RX-ANQP " MACSTR
1874 " NAI Realm list", MAC2STR(sa
));
1875 wpa_hexdump_ascii(MSG_DEBUG
, "ANQP: NAI Realm", pos
, slen
);
1877 wpabuf_free(anqp
->nai_realm
);
1878 anqp
->nai_realm
= wpabuf_alloc_copy(pos
, slen
);
1881 case ANQP_3GPP_CELLULAR_NETWORK
:
1882 wpa_msg(wpa_s
, MSG_INFO
, "RX-ANQP " MACSTR
1883 " 3GPP Cellular Network information", MAC2STR(sa
));
1884 wpa_hexdump_ascii(MSG_DEBUG
, "ANQP: 3GPP Cellular Network",
1887 wpabuf_free(anqp
->anqp_3gpp
);
1888 anqp
->anqp_3gpp
= wpabuf_alloc_copy(pos
, slen
);
1891 case ANQP_DOMAIN_NAME
:
1892 wpa_msg(wpa_s
, MSG_INFO
, "RX-ANQP " MACSTR
1893 " Domain Name list", MAC2STR(sa
));
1894 wpa_hexdump_ascii(MSG_MSGDUMP
, "ANQP: Domain Name", pos
, slen
);
1896 wpabuf_free(anqp
->domain_name
);
1897 anqp
->domain_name
= wpabuf_alloc_copy(pos
, slen
);
1900 case ANQP_VENDOR_SPECIFIC
:
1904 switch (WPA_GET_BE24(pos
)) {
1916 case HS20_ANQP_OUI_TYPE
:
1917 hs20_parse_rx_hs20_anqp_resp(wpa_s
, sa
, pos
,
1921 wpa_printf(MSG_DEBUG
, "HS20: Unsupported ANQP "
1922 "vendor type %u", type
);
1926 #endif /* CONFIG_HS20 */
1928 wpa_printf(MSG_DEBUG
, "Interworking: Unsupported "
1929 "vendor-specific ANQP OUI %06x",
1935 wpa_printf(MSG_DEBUG
, "Interworking: Unsupported ANQP Info ID "
1942 void anqp_resp_cb(void *ctx
, const u8
*dst
, u8 dialog_token
,
1943 enum gas_query_result result
,
1944 const struct wpabuf
*adv_proto
,
1945 const struct wpabuf
*resp
, u16 status_code
)
1947 struct wpa_supplicant
*wpa_s
= ctx
;
1953 if (result
!= GAS_QUERY_SUCCESS
)
1956 pos
= wpabuf_head(adv_proto
);
1957 if (wpabuf_len(adv_proto
) < 4 || pos
[0] != WLAN_EID_ADV_PROTO
||
1958 pos
[1] < 2 || pos
[3] != ACCESS_NETWORK_QUERY_PROTOCOL
) {
1959 wpa_printf(MSG_DEBUG
, "ANQP: Unexpected Advertisement "
1960 "Protocol in response");
1964 pos
= wpabuf_head(resp
);
1965 end
= pos
+ wpabuf_len(resp
);
1968 if (pos
+ 4 > end
) {
1969 wpa_printf(MSG_DEBUG
, "ANQP: Invalid element");
1972 info_id
= WPA_GET_LE16(pos
);
1974 slen
= WPA_GET_LE16(pos
);
1976 if (pos
+ slen
> end
) {
1977 wpa_printf(MSG_DEBUG
, "ANQP: Invalid element length "
1978 "for Info ID %u", info_id
);
1981 interworking_parse_rx_anqp_resp(wpa_s
, dst
, info_id
, pos
,
1988 static void interworking_scan_res_handler(struct wpa_supplicant
*wpa_s
,
1989 struct wpa_scan_results
*scan_res
)
1991 wpa_printf(MSG_DEBUG
, "Interworking: Scan results available - start "
1993 interworking_start_fetch_anqp(wpa_s
);
1997 int interworking_select(struct wpa_supplicant
*wpa_s
, int auto_select
)
1999 interworking_stop_fetch_anqp(wpa_s
);
2000 wpa_s
->network_select
= 1;
2001 wpa_s
->auto_network_select
= 0;
2002 wpa_s
->auto_select
= !!auto_select
;
2003 wpa_s
->fetch_all_anqp
= 0;
2004 wpa_printf(MSG_DEBUG
, "Interworking: Start scan for network "
2006 wpa_s
->scan_res_handler
= interworking_scan_res_handler
;
2007 wpa_s
->scan_req
= MANUAL_SCAN_REQ
;
2008 wpa_supplicant_req_scan(wpa_s
, 0, 0);
2014 static void gas_resp_cb(void *ctx
, const u8
*addr
, u8 dialog_token
,
2015 enum gas_query_result result
,
2016 const struct wpabuf
*adv_proto
,
2017 const struct wpabuf
*resp
, u16 status_code
)
2019 struct wpa_supplicant
*wpa_s
= ctx
;
2021 wpa_msg(wpa_s
, MSG_INFO
, GAS_RESPONSE_INFO
"addr=" MACSTR
2022 " dialog_token=%d status_code=%d resp_len=%d",
2023 MAC2STR(addr
), dialog_token
, status_code
,
2024 resp
? (int) wpabuf_len(resp
) : -1);
2028 wpabuf_free(wpa_s
->last_gas_resp
);
2029 wpa_s
->last_gas_resp
= wpabuf_dup(resp
);
2030 if (wpa_s
->last_gas_resp
== NULL
)
2032 os_memcpy(wpa_s
->last_gas_addr
, addr
, ETH_ALEN
);
2033 wpa_s
->last_gas_dialog_token
= dialog_token
;
2037 int gas_send_request(struct wpa_supplicant
*wpa_s
, const u8
*dst
,
2038 const struct wpabuf
*adv_proto
,
2039 const struct wpabuf
*query
)
2044 struct wpa_bss
*bss
;
2047 u8 query_resp_len_limit
= 0, pame_bi
= 0;
2049 freq
= wpa_s
->assoc_freq
;
2050 bss
= wpa_bss_get_bssid(wpa_s
, dst
);
2056 wpa_printf(MSG_DEBUG
, "GAS request to " MACSTR
" (freq %d MHz)",
2057 MAC2STR(dst
), freq
);
2058 wpa_hexdump_buf(MSG_DEBUG
, "Advertisement Protocol ID", adv_proto
);
2059 wpa_hexdump_buf(MSG_DEBUG
, "GAS Query", query
);
2061 len
= 3 + wpabuf_len(adv_proto
) + 2;
2063 len
+= wpabuf_len(query
);
2064 buf
= gas_build_initial_req(0, len
);
2068 /* Advertisement Protocol IE */
2069 wpabuf_put_u8(buf
, WLAN_EID_ADV_PROTO
);
2070 wpabuf_put_u8(buf
, 1 + wpabuf_len(adv_proto
)); /* Length */
2071 wpabuf_put_u8(buf
, (query_resp_len_limit
& 0x7f) |
2072 (pame_bi
? 0x80 : 0));
2073 wpabuf_put_buf(buf
, adv_proto
);
2077 wpabuf_put_le16(buf
, wpabuf_len(query
));
2078 wpabuf_put_buf(buf
, query
);
2080 wpabuf_put_le16(buf
, 0);
2082 res
= gas_query_req(wpa_s
->gas
, dst
, freq
, buf
, gas_resp_cb
, wpa_s
);
2084 wpa_printf(MSG_DEBUG
, "GAS: Failed to send Query Request");
2087 wpa_printf(MSG_DEBUG
, "GAS: Query started with dialog token "