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 interworking_anqp_send_req(struct wpa_supplicant *wpa_s,
118 ANQP_CAPABILITY_LIST,
120 ANQP_NETWORK_AUTH_TYPE,
121 ANQP_ROAMING_CONSORTIUM,
122 ANQP_IP_ADDR_TYPE_AVAILABILITY,
124 ANQP_3GPP_CELLULAR_NETWORK,
127 struct wpabuf *extra = NULL;
129 wpa_printf(MSG_DEBUG, "Interworking: ANQP Query Request to " MACSTR,
130 MAC2STR(bss->bssid));
133 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
136 extra = wpabuf_alloc(100);
140 len_pos = gas_anqp_add_element(extra, ANQP_VENDOR_SPECIFIC);
141 wpabuf_put_be24(extra, OUI_WFA);
142 wpabuf_put_u8(extra, HS20_ANQP_OUI_TYPE);
143 wpabuf_put_u8(extra, HS20_STYPE_QUERY_LIST);
144 wpabuf_put_u8(extra, 0); /* Reserved */
145 wpabuf_put_u8(extra, HS20_STYPE_CAPABILITY_LIST);
146 wpabuf_put_u8(extra, HS20_STYPE_OPERATOR_FRIENDLY_NAME);
147 wpabuf_put_u8(extra, HS20_STYPE_WAN_METRICS);
148 wpabuf_put_u8(extra, HS20_STYPE_CONNECTION_CAPABILITY);
149 wpabuf_put_u8(extra, HS20_STYPE_OPERATING_CLASS);
150 gas_anqp_set_element_len(extra, len_pos);
152 #endif /* CONFIG_HS20 */
154 buf = anqp_build_req(info_ids, sizeof(info_ids) / sizeof(info_ids[0]),
160 res = gas_query_req(wpa_s->gas, bss->bssid, bss->freq, buf,
161 interworking_anqp_resp_cb, wpa_s);
163 wpa_printf(MSG_DEBUG, "ANQP: Failed to send Query Request");
166 wpa_printf(MSG_DEBUG, "ANQP: Query started with dialog token "
174 struct nai_realm_eap {
177 enum nai_realm_eap_auth_inner_non_eap inner_non_eap;
179 u8 tunneled_cred_type;
186 struct nai_realm_eap *eap;
190 static void nai_realm_free(struct nai_realm *realms, u16 count)
196 for (i = 0; i < count; i++) {
197 os_free(realms[i].eap);
198 os_free(realms[i].realm);
204 static const u8 * nai_realm_parse_eap(struct nai_realm_eap *e, const u8 *pos,
207 u8 elen, auth_count, a;
211 wpa_printf(MSG_DEBUG, "No room for EAP Method fixed fields");
216 if (pos + elen > end || elen < 2) {
217 wpa_printf(MSG_DEBUG, "No room for EAP Method subfield");
223 wpa_printf(MSG_DEBUG, "EAP Method: len=%u method=%u auth_count=%u",
224 elen, e->method, auth_count);
226 for (a = 0; a < auth_count; a++) {
229 if (pos + 2 > end || pos + 2 + pos[1] > end) {
230 wpa_printf(MSG_DEBUG, "No room for Authentication "
231 "Parameter subfield");
239 case NAI_REALM_EAP_AUTH_NON_EAP_INNER_AUTH:
242 e->inner_non_eap = *pos;
243 if (e->method != EAP_TYPE_TTLS)
246 case NAI_REALM_INNER_NON_EAP_PAP:
247 wpa_printf(MSG_DEBUG, "EAP-TTLS/PAP");
249 case NAI_REALM_INNER_NON_EAP_CHAP:
250 wpa_printf(MSG_DEBUG, "EAP-TTLS/CHAP");
252 case NAI_REALM_INNER_NON_EAP_MSCHAP:
253 wpa_printf(MSG_DEBUG, "EAP-TTLS/MSCHAP");
255 case NAI_REALM_INNER_NON_EAP_MSCHAPV2:
256 wpa_printf(MSG_DEBUG, "EAP-TTLS/MSCHAPV2");
260 case NAI_REALM_EAP_AUTH_INNER_AUTH_EAP_METHOD:
263 e->inner_method = *pos;
264 wpa_printf(MSG_DEBUG, "Inner EAP method: %u",
267 case NAI_REALM_EAP_AUTH_CRED_TYPE:
271 wpa_printf(MSG_DEBUG, "Credential Type: %u",
274 case NAI_REALM_EAP_AUTH_TUNNELED_CRED_TYPE:
277 e->tunneled_cred_type = *pos;
278 wpa_printf(MSG_DEBUG, "Tunneled EAP Method Credential "
279 "Type: %u", e->tunneled_cred_type);
282 wpa_printf(MSG_DEBUG, "Unsupported Authentication "
283 "Parameter: id=%u len=%u", id, len);
284 wpa_hexdump(MSG_DEBUG, "Authentication Parameter "
296 static const u8 * nai_realm_parse_realm(struct nai_realm *r, const u8 *pos,
304 wpa_printf(MSG_DEBUG, "No room for NAI Realm Data "
309 len = WPA_GET_LE16(pos); /* NAI Realm Data field Length */
311 if (pos + len > end || len < 3) {
312 wpa_printf(MSG_DEBUG, "No room for NAI Realm Data "
314 len, (unsigned int) (end - pos));
319 r->encoding = *pos++;
321 if (pos + realm_len > f_end) {
322 wpa_printf(MSG_DEBUG, "No room for NAI Realm "
324 realm_len, (unsigned int) (f_end - pos));
327 wpa_hexdump_ascii(MSG_DEBUG, "NAI Realm", pos, realm_len);
328 r->realm = os_malloc(realm_len + 1);
329 if (r->realm == NULL)
331 os_memcpy(r->realm, pos, realm_len);
332 r->realm[realm_len] = '\0';
335 if (pos + 1 > f_end) {
336 wpa_printf(MSG_DEBUG, "No room for EAP Method Count");
339 r->eap_count = *pos++;
340 wpa_printf(MSG_DEBUG, "EAP Count: %u", r->eap_count);
341 if (pos + r->eap_count * 3 > f_end) {
342 wpa_printf(MSG_DEBUG, "No room for EAP Methods");
345 r->eap = os_calloc(r->eap_count, sizeof(struct nai_realm_eap));
349 for (e = 0; e < r->eap_count; e++) {
350 pos = nai_realm_parse_eap(&r->eap[e], pos, f_end);
359 static struct nai_realm * nai_realm_parse(struct wpabuf *anqp, u16 *count)
361 struct nai_realm *realm;
365 if (anqp == NULL || wpabuf_len(anqp) < 2)
368 pos = wpabuf_head_u8(anqp);
369 end = pos + wpabuf_len(anqp);
370 num = WPA_GET_LE16(pos);
371 wpa_printf(MSG_DEBUG, "NAI Realm Count: %u", num);
374 if (num * 5 > end - pos) {
375 wpa_printf(MSG_DEBUG, "Invalid NAI Realm Count %u - not "
376 "enough data (%u octets) for that many realms",
377 num, (unsigned int) (end - pos));
381 realm = os_calloc(num, sizeof(struct nai_realm));
385 for (i = 0; i < num; i++) {
386 pos = nai_realm_parse_realm(&realm[i], pos, end);
388 nai_realm_free(realm, num);
398 static int nai_realm_match(struct nai_realm *realm, const char *home_realm)
400 char *tmp, *pos, *end;
403 if (realm->realm == NULL || home_realm == NULL)
406 if (os_strchr(realm->realm, ';') == NULL)
407 return os_strcasecmp(realm->realm, home_realm) == 0;
409 tmp = os_strdup(realm->realm);
415 end = os_strchr(pos, ';');
418 if (os_strcasecmp(pos, home_realm) == 0) {
433 static int nai_realm_cred_username(struct nai_realm_eap *eap)
435 if (eap_get_name(EAP_VENDOR_IETF, eap->method) == NULL)
436 return 0; /* method not supported */
438 if (eap->method != EAP_TYPE_TTLS && eap->method != EAP_TYPE_PEAP) {
439 /* Only tunneled methods with username/password supported */
443 if (eap->method == EAP_TYPE_PEAP &&
444 eap_get_name(EAP_VENDOR_IETF, eap->inner_method) == NULL)
447 if (eap->method == EAP_TYPE_TTLS) {
448 if (eap->inner_method == 0 && eap->inner_non_eap == 0)
450 if (eap->inner_method &&
451 eap_get_name(EAP_VENDOR_IETF, eap->inner_method) == NULL)
453 if (eap->inner_non_eap &&
454 eap->inner_non_eap != NAI_REALM_INNER_NON_EAP_PAP &&
455 eap->inner_non_eap != NAI_REALM_INNER_NON_EAP_CHAP &&
456 eap->inner_non_eap != NAI_REALM_INNER_NON_EAP_MSCHAP &&
457 eap->inner_non_eap != NAI_REALM_INNER_NON_EAP_MSCHAPV2)
461 if (eap->inner_method &&
462 eap->inner_method != EAP_TYPE_GTC &&
463 eap->inner_method != EAP_TYPE_MSCHAPV2)
470 static int nai_realm_cred_cert(struct nai_realm_eap *eap)
472 if (eap_get_name(EAP_VENDOR_IETF, eap->method) == NULL)
473 return 0; /* method not supported */
475 if (eap->method != EAP_TYPE_TLS) {
476 /* Only EAP-TLS supported for credential authentication */
484 static struct nai_realm_eap * nai_realm_find_eap(struct wpa_cred *cred,
485 struct nai_realm *realm)
490 cred->username == NULL ||
491 cred->username[0] == '\0' ||
492 ((cred->password == NULL ||
493 cred->password[0] == '\0') &&
494 (cred->private_key == NULL ||
495 cred->private_key[0] == '\0')))
498 for (e = 0; e < realm->eap_count; e++) {
499 struct nai_realm_eap *eap = &realm->eap[e];
500 if (cred->password && cred->password[0] &&
501 nai_realm_cred_username(eap))
503 if (cred->private_key && cred->private_key[0] &&
504 nai_realm_cred_cert(eap))
512 #ifdef INTERWORKING_3GPP
514 static int plmn_id_match(struct wpabuf *anqp, const char *imsi, int mnc_len)
520 /* See Annex A of 3GPP TS 24.234 v8.1.0 for description */
521 plmn[0] = (imsi[0] - '0') | ((imsi[1] - '0') << 4);
522 plmn[1] = imsi[2] - '0';
523 /* default to MNC length 3 if unknown */
525 plmn[1] |= (imsi[5] - '0') << 4;
528 plmn[2] = (imsi[3] - '0') | ((imsi[4] - '0') << 4);
532 pos = wpabuf_head_u8(anqp);
533 end = pos + wpabuf_len(anqp);
537 wpa_printf(MSG_DEBUG, "Unsupported GUD version 0x%x", *pos);
542 if (pos + udhl > end) {
543 wpa_printf(MSG_DEBUG, "Invalid UDHL");
548 while (pos + 2 <= end) {
557 if (iei == 0 && len > 0) {
561 for (i = 0; i < num; i++) {
564 if (os_memcmp(pos, plmn, 3) == 0)
565 return 1; /* Found matching PLMN */
577 static int build_root_nai(char *nai, size_t nai_len, const char *imsi,
578 size_t mnc_len, char prefix)
580 const char *sep, *msin;
582 size_t msin_len, plmn_len;
585 * TS 23.003, Clause 14 (3GPP to WLAN Interworking)
587 * <aka:0|sim:1><IMSI>@wlan.mnc<MNC>.mcc<MCC>.3gppnetwork.org
588 * <MNC> is zero-padded to three digits in case two-digit MNC is used
591 if (imsi == NULL || os_strlen(imsi) > 16) {
592 wpa_printf(MSG_DEBUG, "No valid IMSI available");
595 sep = os_strchr(imsi, '-');
597 plmn_len = sep - imsi;
599 } else if (mnc_len && os_strlen(imsi) >= 3 + mnc_len) {
600 plmn_len = 3 + mnc_len;
601 msin = imsi + plmn_len;
604 if (plmn_len != 5 && plmn_len != 6)
606 msin_len = os_strlen(msin);
612 os_memcpy(pos, imsi, plmn_len);
614 os_memcpy(pos, msin, msin_len);
616 pos += os_snprintf(pos, end - pos, "@wlan.mnc");
626 pos += os_snprintf(pos, end - pos, ".mcc%c%c%c.3gppnetwork.org",
627 imsi[0], imsi[1], imsi[2]);
633 static int set_root_nai(struct wpa_ssid *ssid, const char *imsi, char prefix)
636 if (build_root_nai(nai, sizeof(nai), imsi, 0, prefix) < 0)
638 return wpa_config_set_quoted(ssid, "identity", nai);
641 #endif /* INTERWORKING_3GPP */
644 static int interworking_set_hs20_params(struct wpa_ssid *ssid)
646 if (wpa_config_set(ssid, "key_mgmt", "WPA-EAP", 0) < 0)
648 if (wpa_config_set(ssid, "proto", "RSN", 0) < 0)
650 if (wpa_config_set(ssid, "pairwise", "CCMP", 0) < 0)
656 static int interworking_connect_3gpp(struct wpa_supplicant *wpa_s,
659 #ifdef INTERWORKING_3GPP
660 struct wpa_cred *cred;
661 struct wpa_ssid *ssid;
664 if (bss->anqp_3gpp == NULL)
667 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
673 if (cred->pcsc && wpa_s->conf->pcsc_reader && wpa_s->scard &&
676 mnc_len = wpa_s->mnc_len;
679 #endif /* PCSC_FUNCS */
681 if (cred->imsi == NULL || !cred->imsi[0] ||
682 cred->milenage == NULL || !cred->milenage[0])
685 sep = os_strchr(cred->imsi, '-');
687 (sep - cred->imsi != 5 && sep - cred->imsi != 6))
689 mnc_len = sep - cred->imsi - 3;
694 #endif /* PCSC_FUNCS */
695 if (plmn_id_match(bss->anqp_3gpp, imsi, mnc_len))
701 ie = wpa_bss_get_ie(bss, WLAN_EID_SSID);
704 wpa_printf(MSG_DEBUG, "Interworking: Connect with " MACSTR " (3GPP)",
705 MAC2STR(bss->bssid));
707 ssid = wpa_config_add_network(wpa_s->conf);
711 wpas_notify_network_added(wpa_s, ssid);
712 wpa_config_set_network_defaults(ssid);
713 ssid->priority = cred->priority;
715 ssid->ssid = os_zalloc(ie[1] + 1);
716 if (ssid->ssid == NULL)
718 os_memcpy(ssid->ssid, ie + 2, ie[1]);
719 ssid->ssid_len = ie[1];
721 if (interworking_set_hs20_params(ssid) < 0)
724 /* TODO: figure out whether to use EAP-SIM, EAP-AKA, or EAP-AKA' */
725 if (wpa_config_set(ssid, "eap", "SIM", 0) < 0) {
726 wpa_printf(MSG_DEBUG, "EAP-SIM not supported");
729 if (cred->pcsc && wpa_s->scard && scard_supports_umts(wpa_s->scard))
730 wpa_config_set(ssid, "eap", "AKA", 0);
731 if (!cred->pcsc && set_root_nai(ssid, cred->imsi, '1') < 0) {
732 wpa_printf(MSG_DEBUG, "Failed to set Root NAI");
736 if (cred->milenage && cred->milenage[0]) {
737 if (wpa_config_set_quoted(ssid, "password",
740 } else if (cred->pcsc) {
741 if (wpa_config_set_quoted(ssid, "pcsc", "") < 0)
743 if (wpa_s->conf->pcsc_pin &&
744 wpa_config_set_quoted(ssid, "pin", wpa_s->conf->pcsc_pin)
749 if (cred->password && cred->password[0] &&
750 wpa_config_set_quoted(ssid, "password", cred->password) < 0)
753 wpa_config_update_prio_list(wpa_s->conf);
754 interworking_reconnect(wpa_s);
759 wpas_notify_network_removed(wpa_s, ssid);
760 wpa_config_remove_network(wpa_s->conf, ssid->id);
761 #endif /* INTERWORKING_3GPP */
766 static int roaming_consortium_element_match(const u8 *ie, const u8 *rc_id,
776 end = ie + 2 + ie[1];
778 /* Roaming Consortium element:
780 * OI #1 and #2 lengths
781 * OI #1, [OI #2], [OI #3]
787 pos++; /* skip Number of ANQP OIs */
789 if (pos + (lens & 0x0f) + (lens >> 4) > end)
792 if ((lens & 0x0f) == rc_len && os_memcmp(pos, rc_id, rc_len) == 0)
796 if ((lens >> 4) == rc_len && os_memcmp(pos, rc_id, rc_len) == 0)
800 if (pos < end && (size_t) (end - pos) == rc_len &&
801 os_memcmp(pos, rc_id, rc_len) == 0)
808 static int roaming_consortium_anqp_match(const struct wpabuf *anqp,
809 const u8 *rc_id, size_t rc_len)
817 pos = wpabuf_head(anqp);
818 end = pos + wpabuf_len(anqp);
820 /* Set of <OI Length, OI> duples */
825 if (len == rc_len && os_memcmp(pos, rc_id, rc_len) == 0)
834 static int roaming_consortium_match(const u8 *ie, const struct wpabuf *anqp,
835 const u8 *rc_id, size_t rc_len)
837 return roaming_consortium_element_match(ie, rc_id, rc_len) ||
838 roaming_consortium_anqp_match(anqp, rc_id, rc_len);
842 static struct wpa_cred * interworking_credentials_available_roaming_consortium(
843 struct wpa_supplicant *wpa_s, struct wpa_bss *bss)
845 struct wpa_cred *cred, *selected = NULL;
848 ie = wpa_bss_get_ie(bss, WLAN_EID_ROAMING_CONSORTIUM);
850 if (ie == NULL && bss->anqp_roaming_consortium == NULL)
853 if (wpa_s->conf->cred == NULL)
856 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
857 if (cred->roaming_consortium_len == 0)
860 if (!roaming_consortium_match(ie, bss->anqp_roaming_consortium,
861 cred->roaming_consortium,
862 cred->roaming_consortium_len))
865 if (selected == NULL ||
866 selected->priority < cred->priority)
874 static int interworking_set_eap_params(struct wpa_ssid *ssid,
875 struct wpa_cred *cred, int ttls)
877 if (cred->eap_method) {
878 ttls = cred->eap_method->vendor == EAP_VENDOR_IETF &&
879 cred->eap_method->method == EAP_TYPE_TTLS;
881 os_free(ssid->eap.eap_methods);
882 ssid->eap.eap_methods =
883 os_malloc(sizeof(struct eap_method_type) * 2);
884 if (ssid->eap.eap_methods == NULL)
886 os_memcpy(ssid->eap.eap_methods, cred->eap_method,
887 sizeof(*cred->eap_method));
888 ssid->eap.eap_methods[1].vendor = EAP_VENDOR_IETF;
889 ssid->eap.eap_methods[1].method = EAP_TYPE_NONE;
892 if (ttls && cred->username && cred->username[0]) {
895 /* Use anonymous NAI in Phase 1 */
896 pos = os_strchr(cred->username, '@');
898 size_t buflen = 9 + os_strlen(pos) + 1;
899 anon = os_malloc(buflen);
902 os_snprintf(anon, buflen, "anonymous%s", pos);
903 } else if (cred->realm) {
904 size_t buflen = 10 + os_strlen(cred->realm) + 1;
905 anon = os_malloc(buflen);
908 os_snprintf(anon, buflen, "anonymous@%s", cred->realm);
910 anon = os_strdup("anonymous");
914 if (wpa_config_set_quoted(ssid, "anonymous_identity", anon) <
922 if (cred->username && cred->username[0] &&
923 wpa_config_set_quoted(ssid, "identity", cred->username) < 0)
926 if (cred->password && cred->password[0]) {
927 if (cred->ext_password &&
928 wpa_config_set(ssid, "password", cred->password, 0) < 0)
930 if (!cred->ext_password &&
931 wpa_config_set_quoted(ssid, "password", cred->password) <
936 if (cred->client_cert && cred->client_cert[0] &&
937 wpa_config_set_quoted(ssid, "client_cert", cred->client_cert) < 0)
940 if (cred->private_key && cred->private_key[0] &&
941 wpa_config_set_quoted(ssid, "private_key", cred->private_key) < 0)
944 if (cred->private_key_passwd && cred->private_key_passwd[0] &&
945 wpa_config_set_quoted(ssid, "private_key_passwd",
946 cred->private_key_passwd) < 0)
950 os_free(ssid->eap.phase1);
951 ssid->eap.phase1 = os_strdup(cred->phase1);
954 os_free(ssid->eap.phase2);
955 ssid->eap.phase2 = os_strdup(cred->phase2);
958 if (cred->ca_cert && cred->ca_cert[0] &&
959 wpa_config_set_quoted(ssid, "ca_cert", cred->ca_cert) < 0)
966 static int interworking_connect_roaming_consortium(
967 struct wpa_supplicant *wpa_s, struct wpa_cred *cred,
968 struct wpa_bss *bss, const u8 *ssid_ie)
970 struct wpa_ssid *ssid;
972 wpa_printf(MSG_DEBUG, "Interworking: Connect with " MACSTR " based on "
973 "roaming consortium match", MAC2STR(bss->bssid));
975 ssid = wpa_config_add_network(wpa_s->conf);
978 wpas_notify_network_added(wpa_s, ssid);
979 wpa_config_set_network_defaults(ssid);
980 ssid->priority = cred->priority;
982 ssid->ssid = os_zalloc(ssid_ie[1] + 1);
983 if (ssid->ssid == NULL)
985 os_memcpy(ssid->ssid, ssid_ie + 2, ssid_ie[1]);
986 ssid->ssid_len = ssid_ie[1];
988 if (interworking_set_hs20_params(ssid) < 0)
991 if (cred->eap_method == NULL) {
992 wpa_printf(MSG_DEBUG, "Interworking: No EAP method set for "
993 "credential using roaming consortium");
997 if (interworking_set_eap_params(
999 cred->eap_method->vendor == EAP_VENDOR_IETF &&
1000 cred->eap_method->method == EAP_TYPE_TTLS) < 0)
1003 wpa_config_update_prio_list(wpa_s->conf);
1004 interworking_reconnect(wpa_s);
1009 wpas_notify_network_removed(wpa_s, ssid);
1010 wpa_config_remove_network(wpa_s->conf, ssid->id);
1015 int interworking_connect(struct wpa_supplicant *wpa_s, struct wpa_bss *bss)
1017 struct wpa_cred *cred;
1018 struct wpa_ssid *ssid;
1019 struct nai_realm *realm;
1020 struct nai_realm_eap *eap = NULL;
1025 if (wpa_s->conf->cred == NULL || bss == NULL)
1027 ie = wpa_bss_get_ie(bss, WLAN_EID_SSID);
1028 if (ie == NULL || ie[1] == 0) {
1029 wpa_printf(MSG_DEBUG, "Interworking: No SSID known for "
1030 MACSTR, MAC2STR(bss->bssid));
1034 if (!wpa_bss_get_ie(bss, WLAN_EID_RSN)) {
1036 * We currently support only HS 2.0 networks and those are
1037 * required to use WPA2-Enterprise.
1039 wpa_printf(MSG_DEBUG, "Interworking: Network does not use "
1044 cred = interworking_credentials_available_roaming_consortium(wpa_s,
1047 return interworking_connect_roaming_consortium(wpa_s, cred,
1050 realm = nai_realm_parse(bss->anqp_nai_realm, &count);
1051 if (realm == NULL) {
1052 wpa_printf(MSG_DEBUG, "Interworking: Could not parse NAI "
1053 "Realm list from " MACSTR, MAC2STR(bss->bssid));
1057 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1058 for (i = 0; i < count; i++) {
1059 if (!nai_realm_match(&realm[i], cred->realm))
1061 eap = nai_realm_find_eap(cred, &realm[i]);
1070 if (interworking_connect_3gpp(wpa_s, bss) == 0) {
1072 nai_realm_free(realm, count);
1076 wpa_printf(MSG_DEBUG, "Interworking: No matching credentials "
1077 "and EAP method found for " MACSTR,
1078 MAC2STR(bss->bssid));
1079 nai_realm_free(realm, count);
1083 wpa_printf(MSG_DEBUG, "Interworking: Connect with " MACSTR,
1084 MAC2STR(bss->bssid));
1086 ssid = wpa_config_add_network(wpa_s->conf);
1088 nai_realm_free(realm, count);
1091 wpas_notify_network_added(wpa_s, ssid);
1092 wpa_config_set_network_defaults(ssid);
1093 ssid->priority = cred->priority;
1094 ssid->temporary = 1;
1095 ssid->ssid = os_zalloc(ie[1] + 1);
1096 if (ssid->ssid == NULL)
1098 os_memcpy(ssid->ssid, ie + 2, ie[1]);
1099 ssid->ssid_len = ie[1];
1101 if (interworking_set_hs20_params(ssid) < 0)
1104 if (wpa_config_set(ssid, "eap", eap_get_name(EAP_VENDOR_IETF,
1105 eap->method), 0) < 0)
1108 switch (eap->method) {
1110 if (eap->inner_method) {
1111 os_snprintf(buf, sizeof(buf), "\"autheap=%s\"",
1112 eap_get_name(EAP_VENDOR_IETF,
1113 eap->inner_method));
1114 if (wpa_config_set(ssid, "phase2", buf, 0) < 0)
1118 switch (eap->inner_non_eap) {
1119 case NAI_REALM_INNER_NON_EAP_PAP:
1120 if (wpa_config_set(ssid, "phase2", "\"auth=PAP\"", 0) <
1124 case NAI_REALM_INNER_NON_EAP_CHAP:
1125 if (wpa_config_set(ssid, "phase2", "\"auth=CHAP\"", 0)
1129 case NAI_REALM_INNER_NON_EAP_MSCHAP:
1130 if (wpa_config_set(ssid, "phase2", "\"auth=MSCHAP\"",
1134 case NAI_REALM_INNER_NON_EAP_MSCHAPV2:
1135 if (wpa_config_set(ssid, "phase2", "\"auth=MSCHAPV2\"",
1142 os_snprintf(buf, sizeof(buf), "\"auth=%s\"",
1143 eap_get_name(EAP_VENDOR_IETF, eap->inner_method));
1144 if (wpa_config_set(ssid, "phase2", buf, 0) < 0)
1151 if (interworking_set_eap_params(ssid, cred,
1152 eap->method == EAP_TYPE_TTLS) < 0)
1155 nai_realm_free(realm, count);
1157 wpa_config_update_prio_list(wpa_s->conf);
1158 interworking_reconnect(wpa_s);
1163 wpas_notify_network_removed(wpa_s, ssid);
1164 wpa_config_remove_network(wpa_s->conf, ssid->id);
1165 nai_realm_free(realm, count);
1170 static struct wpa_cred * interworking_credentials_available_3gpp(
1171 struct wpa_supplicant *wpa_s, struct wpa_bss *bss)
1173 struct wpa_cred *cred, *selected = NULL;
1176 #ifdef INTERWORKING_3GPP
1177 if (bss->anqp_3gpp == NULL)
1180 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1186 if (cred->pcsc && wpa_s->conf->pcsc_reader && wpa_s->scard &&
1189 mnc_len = wpa_s->mnc_len;
1192 #endif /* PCSC_FUNCS */
1194 if (cred->imsi == NULL || !cred->imsi[0] ||
1195 cred->milenage == NULL || !cred->milenage[0])
1198 sep = os_strchr(cred->imsi, '-');
1200 (sep - cred->imsi != 5 && sep - cred->imsi != 6))
1202 mnc_len = sep - cred->imsi - 3;
1207 #endif /* PCSC_FUNCS */
1208 wpa_printf(MSG_DEBUG, "Interworking: Parsing 3GPP info from "
1209 MACSTR, MAC2STR(bss->bssid));
1210 ret = plmn_id_match(bss->anqp_3gpp, imsi, mnc_len);
1211 wpa_printf(MSG_DEBUG, "PLMN match %sfound", ret ? "" : "not ");
1213 if (selected == NULL ||
1214 selected->priority < cred->priority)
1218 #endif /* INTERWORKING_3GPP */
1223 static struct wpa_cred * interworking_credentials_available_realm(
1224 struct wpa_supplicant *wpa_s, struct wpa_bss *bss)
1226 struct wpa_cred *cred, *selected = NULL;
1227 struct nai_realm *realm;
1230 if (bss->anqp_nai_realm == NULL)
1233 if (wpa_s->conf->cred == NULL)
1236 wpa_printf(MSG_DEBUG, "Interworking: Parsing NAI Realm list from "
1237 MACSTR, MAC2STR(bss->bssid));
1238 realm = nai_realm_parse(bss->anqp_nai_realm, &count);
1239 if (realm == NULL) {
1240 wpa_printf(MSG_DEBUG, "Interworking: Could not parse NAI "
1241 "Realm list from " MACSTR, MAC2STR(bss->bssid));
1245 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1246 if (cred->realm == NULL)
1249 for (i = 0; i < count; i++) {
1250 if (!nai_realm_match(&realm[i], cred->realm))
1252 if (nai_realm_find_eap(cred, &realm[i])) {
1253 if (selected == NULL ||
1254 selected->priority < cred->priority)
1261 nai_realm_free(realm, count);
1267 static struct wpa_cred * interworking_credentials_available(
1268 struct wpa_supplicant *wpa_s, struct wpa_bss *bss)
1270 struct wpa_cred *cred, *cred2;
1272 cred = interworking_credentials_available_realm(wpa_s, bss);
1273 cred2 = interworking_credentials_available_3gpp(wpa_s, bss);
1274 if (cred && cred2 && cred2->priority >= cred->priority)
1279 cred2 = interworking_credentials_available_roaming_consortium(wpa_s,
1281 if (cred && cred2 && cred2->priority >= cred->priority)
1290 static int domain_name_list_contains(struct wpabuf *domain_names,
1293 const u8 *pos, *end;
1296 len = os_strlen(domain);
1297 pos = wpabuf_head(domain_names);
1298 end = pos + wpabuf_len(domain_names);
1300 while (pos + 1 < end) {
1301 if (pos + 1 + pos[0] > end)
1304 wpa_hexdump_ascii(MSG_DEBUG, "Interworking: AP domain name",
1306 if (pos[0] == len &&
1307 os_strncasecmp(domain, (const char *) (pos + 1), len) == 0)
1317 static int interworking_home_sp(struct wpa_supplicant *wpa_s,
1318 struct wpabuf *domain_names)
1320 struct wpa_cred *cred;
1321 #ifdef INTERWORKING_3GPP
1322 char nai[100], *realm;
1323 #endif /* INTERWORKING_3GPP */
1325 if (domain_names == NULL || wpa_s->conf->cred == NULL)
1328 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1329 #ifdef INTERWORKING_3GPP
1335 else if (cred->pcsc && wpa_s->conf->pcsc_reader &&
1336 wpa_s->scard && wpa_s->imsi[0]) {
1338 mnc_len = wpa_s->mnc_len;
1340 #endif /* CONFIG_PCSC */
1341 if (imsi && build_root_nai(nai, sizeof(nai), imsi, mnc_len, 0)
1343 realm = os_strchr(nai, '@');
1346 wpa_printf(MSG_DEBUG, "Interworking: Search for match "
1347 "with SIM/USIM domain %s", realm);
1349 domain_name_list_contains(domain_names, realm))
1352 #endif /* INTERWORKING_3GPP */
1354 if (cred->domain == NULL)
1357 wpa_printf(MSG_DEBUG, "Interworking: Search for match with "
1358 "home SP FQDN %s", cred->domain);
1359 if (domain_name_list_contains(domain_names, cred->domain))
1367 static int interworking_find_network_match(struct wpa_supplicant *wpa_s)
1369 struct wpa_bss *bss;
1370 struct wpa_ssid *ssid;
1372 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
1373 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
1374 if (wpas_network_disabled(wpa_s, ssid) ||
1375 ssid->mode != WPAS_MODE_INFRA)
1377 if (ssid->ssid_len != bss->ssid_len ||
1378 os_memcmp(ssid->ssid, bss->ssid, ssid->ssid_len) !=
1382 * TODO: Consider more accurate matching of security
1383 * configuration similarly to what is done in events.c
1393 static void interworking_select_network(struct wpa_supplicant *wpa_s)
1395 struct wpa_bss *bss, *selected = NULL, *selected_home = NULL;
1396 int selected_prio = -999999, selected_home_prio = -999999;
1397 unsigned int count = 0;
1400 struct wpa_cred *cred;
1402 wpa_s->network_select = 0;
1404 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
1405 cred = interworking_credentials_available(wpa_s, bss);
1408 if (!wpa_bss_get_ie(bss, WLAN_EID_RSN)) {
1410 * We currently support only HS 2.0 networks and those
1411 * are required to use WPA2-Enterprise.
1413 wpa_printf(MSG_DEBUG, "Interworking: Credential match "
1414 "with " MACSTR " but network does not use "
1415 "RSN", MAC2STR(bss->bssid));
1419 res = interworking_home_sp(wpa_s, bss->anqp_domain_name);
1426 wpa_msg(wpa_s, MSG_INFO, INTERWORKING_AP MACSTR " type=%s",
1427 MAC2STR(bss->bssid), type);
1428 if (wpa_s->auto_select ||
1429 (wpa_s->conf->auto_interworking &&
1430 wpa_s->auto_network_select)) {
1431 if (selected == NULL ||
1432 cred->priority > selected_prio) {
1434 selected_prio = cred->priority;
1437 (selected_home == NULL ||
1438 cred->priority > selected_home_prio)) {
1439 selected_home = bss;
1440 selected_home_prio = cred->priority;
1445 if (selected_home && selected_home != selected &&
1446 selected_home_prio >= selected_prio) {
1447 /* Prefer network operated by the Home SP */
1448 selected = selected_home;
1453 * No matching network was found based on configured
1454 * credentials. Check whether any of the enabled network blocks
1455 * have matching APs.
1457 if (interworking_find_network_match(wpa_s)) {
1458 wpa_printf(MSG_DEBUG, "Interworking: Possible BSS "
1459 "match for enabled network configurations");
1460 if (wpa_s->auto_select)
1461 interworking_reconnect(wpa_s);
1465 if (wpa_s->auto_network_select) {
1466 wpa_printf(MSG_DEBUG, "Interworking: Continue "
1467 "scanning after ANQP fetch");
1468 wpa_supplicant_req_scan(wpa_s, wpa_s->scan_interval,
1473 wpa_msg(wpa_s, MSG_INFO, INTERWORKING_NO_MATCH "No network "
1474 "with matching credentials found");
1478 interworking_connect(wpa_s, selected);
1482 static void interworking_next_anqp_fetch(struct wpa_supplicant *wpa_s)
1484 struct wpa_bss *bss;
1488 if (!wpa_s->fetch_anqp_in_progress)
1491 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
1492 if (!(bss->caps & IEEE80211_CAP_ESS))
1494 ie = wpa_bss_get_ie(bss, WLAN_EID_EXT_CAPAB);
1495 if (ie == NULL || ie[1] < 4 || !(ie[5] & 0x80))
1496 continue; /* AP does not support Interworking */
1498 if (!(bss->flags & WPA_BSS_ANQP_FETCH_TRIED)) {
1500 bss->flags |= WPA_BSS_ANQP_FETCH_TRIED;
1501 wpa_msg(wpa_s, MSG_INFO, "Starting ANQP fetch for "
1502 MACSTR, MAC2STR(bss->bssid));
1503 interworking_anqp_send_req(wpa_s, bss);
1509 wpa_msg(wpa_s, MSG_INFO, "ANQP fetch completed");
1510 wpa_s->fetch_anqp_in_progress = 0;
1511 if (wpa_s->network_select)
1512 interworking_select_network(wpa_s);
1517 void interworking_start_fetch_anqp(struct wpa_supplicant *wpa_s)
1519 struct wpa_bss *bss;
1521 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list)
1522 bss->flags &= ~WPA_BSS_ANQP_FETCH_TRIED;
1524 wpa_s->fetch_anqp_in_progress = 1;
1525 interworking_next_anqp_fetch(wpa_s);
1529 int interworking_fetch_anqp(struct wpa_supplicant *wpa_s)
1531 if (wpa_s->fetch_anqp_in_progress || wpa_s->network_select)
1534 wpa_s->network_select = 0;
1536 interworking_start_fetch_anqp(wpa_s);
1542 void interworking_stop_fetch_anqp(struct wpa_supplicant *wpa_s)
1544 if (!wpa_s->fetch_anqp_in_progress)
1547 wpa_s->fetch_anqp_in_progress = 0;
1551 int anqp_send_req(struct wpa_supplicant *wpa_s, const u8 *dst,
1552 u16 info_ids[], size_t num_ids)
1557 struct wpa_bss *bss;
1560 freq = wpa_s->assoc_freq;
1561 bss = wpa_bss_get_bssid(wpa_s, dst);
1567 wpa_printf(MSG_DEBUG, "ANQP: Query Request to " MACSTR " for %u id(s)",
1568 MAC2STR(dst), (unsigned int) num_ids);
1570 buf = anqp_build_req(info_ids, num_ids, NULL);
1574 res = gas_query_req(wpa_s->gas, dst, freq, buf, anqp_resp_cb, wpa_s);
1576 wpa_printf(MSG_DEBUG, "ANQP: Failed to send Query Request");
1579 wpa_printf(MSG_DEBUG, "ANQP: Query started with dialog token "
1587 static void interworking_parse_rx_anqp_resp(struct wpa_supplicant *wpa_s,
1588 const u8 *sa, u16 info_id,
1589 const u8 *data, size_t slen)
1591 const u8 *pos = data;
1592 struct wpa_bss *bss = wpa_bss_get_bssid(wpa_s, sa);
1595 #endif /* CONFIG_HS20 */
1598 case ANQP_CAPABILITY_LIST:
1599 wpa_msg(wpa_s, MSG_INFO, "RX-ANQP " MACSTR
1600 " ANQP Capability list", MAC2STR(sa));
1602 case ANQP_VENUE_NAME:
1603 wpa_msg(wpa_s, MSG_INFO, "RX-ANQP " MACSTR
1604 " Venue Name", MAC2STR(sa));
1605 wpa_hexdump_ascii(MSG_DEBUG, "ANQP: Venue Name", pos, slen);
1607 wpabuf_free(bss->anqp_venue_name);
1608 bss->anqp_venue_name = wpabuf_alloc_copy(pos, slen);
1611 case ANQP_NETWORK_AUTH_TYPE:
1612 wpa_msg(wpa_s, MSG_INFO, "RX-ANQP " MACSTR
1613 " Network Authentication Type information",
1615 wpa_hexdump_ascii(MSG_DEBUG, "ANQP: Network Authentication "
1618 wpabuf_free(bss->anqp_network_auth_type);
1619 bss->anqp_network_auth_type =
1620 wpabuf_alloc_copy(pos, slen);
1623 case ANQP_ROAMING_CONSORTIUM:
1624 wpa_msg(wpa_s, MSG_INFO, "RX-ANQP " MACSTR
1625 " Roaming Consortium list", MAC2STR(sa));
1626 wpa_hexdump_ascii(MSG_DEBUG, "ANQP: Roaming Consortium",
1629 wpabuf_free(bss->anqp_roaming_consortium);
1630 bss->anqp_roaming_consortium =
1631 wpabuf_alloc_copy(pos, slen);
1634 case ANQP_IP_ADDR_TYPE_AVAILABILITY:
1635 wpa_msg(wpa_s, MSG_INFO, "RX-ANQP " MACSTR
1636 " IP Address Type Availability information",
1638 wpa_hexdump(MSG_MSGDUMP, "ANQP: IP Address Availability",
1641 wpabuf_free(bss->anqp_ip_addr_type_availability);
1642 bss->anqp_ip_addr_type_availability =
1643 wpabuf_alloc_copy(pos, slen);
1646 case ANQP_NAI_REALM:
1647 wpa_msg(wpa_s, MSG_INFO, "RX-ANQP " MACSTR
1648 " NAI Realm list", MAC2STR(sa));
1649 wpa_hexdump_ascii(MSG_DEBUG, "ANQP: NAI Realm", pos, slen);
1651 wpabuf_free(bss->anqp_nai_realm);
1652 bss->anqp_nai_realm = wpabuf_alloc_copy(pos, slen);
1655 case ANQP_3GPP_CELLULAR_NETWORK:
1656 wpa_msg(wpa_s, MSG_INFO, "RX-ANQP " MACSTR
1657 " 3GPP Cellular Network information", MAC2STR(sa));
1658 wpa_hexdump_ascii(MSG_DEBUG, "ANQP: 3GPP Cellular Network",
1661 wpabuf_free(bss->anqp_3gpp);
1662 bss->anqp_3gpp = wpabuf_alloc_copy(pos, slen);
1665 case ANQP_DOMAIN_NAME:
1666 wpa_msg(wpa_s, MSG_INFO, "RX-ANQP " MACSTR
1667 " Domain Name list", MAC2STR(sa));
1668 wpa_hexdump_ascii(MSG_MSGDUMP, "ANQP: Domain Name", pos, slen);
1670 wpabuf_free(bss->anqp_domain_name);
1671 bss->anqp_domain_name = wpabuf_alloc_copy(pos, slen);
1674 case ANQP_VENDOR_SPECIFIC:
1678 switch (WPA_GET_BE24(pos)) {
1690 case HS20_ANQP_OUI_TYPE:
1691 hs20_parse_rx_hs20_anqp_resp(wpa_s, sa, pos,
1695 wpa_printf(MSG_DEBUG, "HS20: Unsupported ANQP "
1696 "vendor type %u", type);
1700 #endif /* CONFIG_HS20 */
1702 wpa_printf(MSG_DEBUG, "Interworking: Unsupported "
1703 "vendor-specific ANQP OUI %06x",
1709 wpa_printf(MSG_DEBUG, "Interworking: Unsupported ANQP Info ID "
1716 void anqp_resp_cb(void *ctx, const u8 *dst, u8 dialog_token,
1717 enum gas_query_result result,
1718 const struct wpabuf *adv_proto,
1719 const struct wpabuf *resp, u16 status_code)
1721 struct wpa_supplicant *wpa_s = ctx;
1727 if (result != GAS_QUERY_SUCCESS)
1730 pos = wpabuf_head(adv_proto);
1731 if (wpabuf_len(adv_proto) < 4 || pos[0] != WLAN_EID_ADV_PROTO ||
1732 pos[1] < 2 || pos[3] != ACCESS_NETWORK_QUERY_PROTOCOL) {
1733 wpa_printf(MSG_DEBUG, "ANQP: Unexpected Advertisement "
1734 "Protocol in response");
1738 pos = wpabuf_head(resp);
1739 end = pos + wpabuf_len(resp);
1742 if (pos + 4 > end) {
1743 wpa_printf(MSG_DEBUG, "ANQP: Invalid element");
1746 info_id = WPA_GET_LE16(pos);
1748 slen = WPA_GET_LE16(pos);
1750 if (pos + slen > end) {
1751 wpa_printf(MSG_DEBUG, "ANQP: Invalid element length "
1752 "for Info ID %u", info_id);
1755 interworking_parse_rx_anqp_resp(wpa_s, dst, info_id, pos,
1762 static void interworking_scan_res_handler(struct wpa_supplicant *wpa_s,
1763 struct wpa_scan_results *scan_res)
1765 wpa_printf(MSG_DEBUG, "Interworking: Scan results available - start "
1767 interworking_start_fetch_anqp(wpa_s);
1771 int interworking_select(struct wpa_supplicant *wpa_s, int auto_select)
1773 interworking_stop_fetch_anqp(wpa_s);
1774 wpa_s->network_select = 1;
1775 wpa_s->auto_network_select = 0;
1776 wpa_s->auto_select = !!auto_select;
1777 wpa_printf(MSG_DEBUG, "Interworking: Start scan for network "
1779 wpa_s->scan_res_handler = interworking_scan_res_handler;
1780 wpa_s->scan_req = 2;
1781 wpa_supplicant_req_scan(wpa_s, 0, 0);
1787 static void gas_resp_cb(void *ctx, const u8 *addr, u8 dialog_token,
1788 enum gas_query_result result,
1789 const struct wpabuf *adv_proto,
1790 const struct wpabuf *resp, u16 status_code)
1792 struct wpa_supplicant *wpa_s = ctx;
1794 wpa_msg(wpa_s, MSG_INFO, GAS_RESPONSE_INFO "addr=" MACSTR
1795 " dialog_token=%d status_code=%d resp_len=%d",
1796 MAC2STR(addr), dialog_token, status_code,
1797 resp ? (int) wpabuf_len(resp) : -1);
1801 wpabuf_free(wpa_s->last_gas_resp);
1802 wpa_s->last_gas_resp = wpabuf_dup(resp);
1803 if (wpa_s->last_gas_resp == NULL)
1805 os_memcpy(wpa_s->last_gas_addr, addr, ETH_ALEN);
1806 wpa_s->last_gas_dialog_token = dialog_token;
1810 int gas_send_request(struct wpa_supplicant *wpa_s, const u8 *dst,
1811 const struct wpabuf *adv_proto,
1812 const struct wpabuf *query)
1817 struct wpa_bss *bss;
1820 u8 query_resp_len_limit = 0, pame_bi = 0;
1822 freq = wpa_s->assoc_freq;
1823 bss = wpa_bss_get_bssid(wpa_s, dst);
1829 wpa_printf(MSG_DEBUG, "GAS request to " MACSTR " (freq %d MHz)",
1830 MAC2STR(dst), freq);
1831 wpa_hexdump_buf(MSG_DEBUG, "Advertisement Protocol ID", adv_proto);
1832 wpa_hexdump_buf(MSG_DEBUG, "GAS Query", query);
1834 len = 3 + wpabuf_len(adv_proto) + 2;
1836 len += wpabuf_len(query);
1837 buf = gas_build_initial_req(0, len);
1841 /* Advertisement Protocol IE */
1842 wpabuf_put_u8(buf, WLAN_EID_ADV_PROTO);
1843 wpabuf_put_u8(buf, 1 + wpabuf_len(adv_proto)); /* Length */
1844 wpabuf_put_u8(buf, (query_resp_len_limit & 0x7f) |
1845 (pame_bi ? 0x80 : 0));
1846 wpabuf_put_buf(buf, adv_proto);
1850 wpabuf_put_le16(buf, wpabuf_len(query));
1851 wpabuf_put_buf(buf, query);
1853 wpabuf_put_le16(buf, 0);
1855 res = gas_query_req(wpa_s->gas, dst, freq, buf, gas_resp_cb, wpa_s);
1857 wpa_printf(MSG_DEBUG, "GAS: Failed to send Query Request");
1860 wpa_printf(MSG_DEBUG, "GAS: Query started with dialog token "