/*
* Interworking (IEEE 802.11u)
- * Copyright (c) 2011, Qualcomm Atheros
+ * Copyright (c) 2011-2013, Qualcomm Atheros, Inc.
+ * Copyright (c) 2011-2014, Jouni Malinen <j@w1.fi>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * Alternatively, this software may be distributed under the terms of BSD
- * license.
- *
- * See README and COPYING for more details.
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
*/
#include "includes.h"
#include "common/ieee802_11_defs.h"
#include "common/gas.h"
#include "common/wpa_ctrl.h"
+#include "utils/pcsc_funcs.h"
+#include "utils/eloop.h"
#include "drivers/driver.h"
#include "eap_common/eap_defs.h"
+#include "eap_peer/eap.h"
#include "eap_peer/eap_methods.h"
+#include "eapol_supp/eapol_supp_sm.h"
+#include "rsn_supp/wpa.h"
#include "wpa_supplicant_i.h"
#include "config.h"
+#include "config_ssid.h"
#include "bss.h"
#include "scan.h"
#include "notify.h"
#include "gas_query.h"
+#include "hs20_supplicant.h"
#include "interworking.h"
#endif
static void interworking_next_anqp_fetch(struct wpa_supplicant *wpa_s);
+static struct wpa_cred * interworking_credentials_available_realm(
+ struct wpa_supplicant *wpa_s, struct wpa_bss *bss);
+static struct wpa_cred * interworking_credentials_available_3gpp(
+ struct wpa_supplicant *wpa_s, struct wpa_bss *bss);
+
+
+static void interworking_reconnect(struct wpa_supplicant *wpa_s)
+{
+ if (wpa_s->wpa_state >= WPA_AUTHENTICATING) {
+ wpa_supplicant_cancel_sched_scan(wpa_s);
+ wpa_supplicant_deauthenticate(wpa_s,
+ WLAN_REASON_DEAUTH_LEAVING);
+ }
+ wpa_s->disconnected = 0;
+ wpa_s->reassociate = 1;
+
+ if (wpa_supplicant_fast_associate(wpa_s) >= 0)
+ return;
+
+ wpa_supplicant_req_scan(wpa_s, 0, 0);
+}
static struct wpabuf * anqp_build_req(u16 info_ids[], size_t num_ids,
{
struct wpa_supplicant *wpa_s = ctx;
+ wpa_printf(MSG_DEBUG, "ANQP: Response callback dst=" MACSTR
+ " dialog_token=%u result=%d status_code=%u",
+ MAC2STR(dst), dialog_token, result, status_code);
anqp_resp_cb(wpa_s, dst, dialog_token, result, adv_proto, resp,
status_code);
interworking_next_anqp_fetch(wpa_s);
}
+static int cred_with_roaming_consortium(struct wpa_supplicant *wpa_s)
+{
+ struct wpa_cred *cred;
+
+ for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
+ if (cred->roaming_consortium_len)
+ return 1;
+ if (cred->required_roaming_consortium_len)
+ return 1;
+ }
+ return 0;
+}
+
+
+static int cred_with_3gpp(struct wpa_supplicant *wpa_s)
+{
+ struct wpa_cred *cred;
+
+ for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
+ if (cred->pcsc || cred->imsi)
+ return 1;
+ }
+ return 0;
+}
+
+
+static int cred_with_nai_realm(struct wpa_supplicant *wpa_s)
+{
+ struct wpa_cred *cred;
+
+ for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
+ if (cred->pcsc || cred->imsi)
+ continue;
+ if (!cred->eap_method)
+ return 1;
+ if (cred->realm && cred->roaming_consortium_len == 0)
+ return 1;
+ }
+ return 0;
+}
+
+
+static int cred_with_domain(struct wpa_supplicant *wpa_s)
+{
+ struct wpa_cred *cred;
+
+ for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
+ if (cred->domain || cred->pcsc || cred->imsi ||
+ cred->roaming_partner)
+ return 1;
+ }
+ return 0;
+}
+
+
+static int additional_roaming_consortiums(struct wpa_bss *bss)
+{
+ const u8 *ie;
+ ie = wpa_bss_get_ie(bss, WLAN_EID_ROAMING_CONSORTIUM);
+ if (ie == NULL || ie[1] == 0)
+ return 0;
+ return ie[2]; /* Number of ANQP OIs */
+}
+
+
+static void interworking_continue_anqp(void *eloop_ctx, void *sock_ctx)
+{
+ struct wpa_supplicant *wpa_s = eloop_ctx;
+ interworking_next_anqp_fetch(wpa_s);
+}
+
+
static int interworking_anqp_send_req(struct wpa_supplicant *wpa_s,
struct wpa_bss *bss)
{
struct wpabuf *buf;
int ret = 0;
int res;
- u16 info_ids[] = {
- ANQP_CAPABILITY_LIST,
- ANQP_VENUE_NAME,
- ANQP_NETWORK_AUTH_TYPE,
- ANQP_ROAMING_CONSORTIUM,
- ANQP_IP_ADDR_TYPE_AVAILABILITY,
- ANQP_NAI_REALM,
- ANQP_3GPP_CELLULAR_NETWORK,
- ANQP_DOMAIN_NAME
- };
+ u16 info_ids[8];
+ size_t num_info_ids = 0;
struct wpabuf *extra = NULL;
+ int all = wpa_s->fetch_all_anqp;
wpa_printf(MSG_DEBUG, "Interworking: ANQP Query Request to " MACSTR,
MAC2STR(bss->bssid));
+ wpa_s->interworking_gas_bss = bss;
+
+ info_ids[num_info_ids++] = ANQP_CAPABILITY_LIST;
+ if (all) {
+ info_ids[num_info_ids++] = ANQP_VENUE_NAME;
+ info_ids[num_info_ids++] = ANQP_NETWORK_AUTH_TYPE;
+ }
+ if (all || (cred_with_roaming_consortium(wpa_s) &&
+ additional_roaming_consortiums(bss)))
+ info_ids[num_info_ids++] = ANQP_ROAMING_CONSORTIUM;
+ if (all)
+ info_ids[num_info_ids++] = ANQP_IP_ADDR_TYPE_AVAILABILITY;
+ if (all || cred_with_nai_realm(wpa_s))
+ info_ids[num_info_ids++] = ANQP_NAI_REALM;
+ if (all || cred_with_3gpp(wpa_s))
+ info_ids[num_info_ids++] = ANQP_3GPP_CELLULAR_NETWORK;
+ if (all || cred_with_domain(wpa_s))
+ info_ids[num_info_ids++] = ANQP_DOMAIN_NAME;
+ wpa_hexdump(MSG_DEBUG, "Interworking: ANQP Query info",
+ (u8 *) info_ids, num_info_ids * 2);
+
+#ifdef CONFIG_HS20
+ if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
+ u8 *len_pos;
+
+ extra = wpabuf_alloc(100);
+ if (!extra)
+ return -1;
+
+ len_pos = gas_anqp_add_element(extra, ANQP_VENDOR_SPECIFIC);
+ wpabuf_put_be24(extra, OUI_WFA);
+ wpabuf_put_u8(extra, HS20_ANQP_OUI_TYPE);
+ wpabuf_put_u8(extra, HS20_STYPE_QUERY_LIST);
+ wpabuf_put_u8(extra, 0); /* Reserved */
+ wpabuf_put_u8(extra, HS20_STYPE_CAPABILITY_LIST);
+ if (all) {
+ wpabuf_put_u8(extra,
+ HS20_STYPE_OPERATOR_FRIENDLY_NAME);
+ wpabuf_put_u8(extra, HS20_STYPE_WAN_METRICS);
+ wpabuf_put_u8(extra, HS20_STYPE_CONNECTION_CAPABILITY);
+ wpabuf_put_u8(extra, HS20_STYPE_OPERATING_CLASS);
+ wpabuf_put_u8(extra, HS20_STYPE_OSU_PROVIDERS_LIST);
+ }
+ gas_anqp_set_element_len(extra, len_pos);
+ }
+#endif /* CONFIG_HS20 */
- buf = anqp_build_req(info_ids, sizeof(info_ids) / sizeof(info_ids[0]),
- extra);
+ buf = anqp_build_req(info_ids, num_info_ids, extra);
wpabuf_free(extra);
if (buf == NULL)
return -1;
interworking_anqp_resp_cb, wpa_s);
if (res < 0) {
wpa_printf(MSG_DEBUG, "ANQP: Failed to send Query Request");
+ wpabuf_free(buf);
ret = -1;
+ eloop_register_timeout(0, 0, interworking_continue_anqp, wpa_s,
+ NULL);
} else
wpa_printf(MSG_DEBUG, "ANQP: Query started with dialog token "
"%u", res);
- wpabuf_free(buf);
return ret;
}
return NULL;
}
wpa_hexdump_ascii(MSG_DEBUG, "NAI Realm", pos, realm_len);
- r->realm = os_malloc(realm_len + 1);
+ r->realm = dup_binstr(pos, realm_len);
if (r->realm == NULL)
return NULL;
- os_memcpy(r->realm, pos, realm_len);
- r->realm[realm_len] = '\0';
pos += realm_len;
if (pos + 1 > f_end) {
wpa_printf(MSG_DEBUG, "No room for EAP Methods");
return NULL;
}
- r->eap = os_zalloc(r->eap_count * sizeof(struct nai_realm_eap));
+ r->eap = os_calloc(r->eap_count, sizeof(struct nai_realm_eap));
if (r->eap == NULL)
return NULL;
return NULL;
}
- realm = os_zalloc(num * sizeof(struct nai_realm));
+ realm = os_calloc(num, sizeof(struct nai_realm));
if (realm == NULL)
return NULL;
if (eap_get_name(EAP_VENDOR_IETF, eap->method) == NULL)
return 0; /* method not supported */
- if (eap->method != EAP_TYPE_TTLS && eap->method != EAP_TYPE_PEAP) {
+ if (eap->method != EAP_TYPE_TTLS && eap->method != EAP_TYPE_PEAP &&
+ eap->method != EAP_TYPE_FAST) {
/* Only tunneled methods with username/password supported */
return 0;
}
- if (eap->method == EAP_TYPE_PEAP &&
- eap_get_name(EAP_VENDOR_IETF, eap->inner_method) == NULL)
- return 0;
+ if (eap->method == EAP_TYPE_PEAP || eap->method == EAP_TYPE_FAST) {
+ if (eap->inner_method &&
+ eap_get_name(EAP_VENDOR_IETF, eap->inner_method) == NULL)
+ return 0;
+ if (!eap->inner_method &&
+ eap_get_name(EAP_VENDOR_IETF, EAP_TYPE_MSCHAPV2) == NULL)
+ return 0;
+ }
if (eap->method == EAP_TYPE_TTLS) {
if (eap->inner_method == 0 && eap->inner_non_eap == 0)
- return 0;
+ return 1; /* Assume TTLS/MSCHAPv2 is used */
if (eap->inner_method &&
eap_get_name(EAP_VENDOR_IETF, eap->inner_method) == NULL)
return 0;
}
-static struct nai_realm_eap * nai_realm_find_eap(struct wpa_supplicant *wpa_s,
+static int nai_realm_cred_cert(struct nai_realm_eap *eap)
+{
+ if (eap_get_name(EAP_VENDOR_IETF, eap->method) == NULL)
+ return 0; /* method not supported */
+
+ if (eap->method != EAP_TYPE_TLS) {
+ /* Only EAP-TLS supported for credential authentication */
+ return 0;
+ }
+
+ return 1;
+}
+
+
+static struct nai_realm_eap * nai_realm_find_eap(struct wpa_cred *cred,
struct nai_realm *realm)
{
u8 e;
- if (wpa_s->conf->home_username == NULL ||
- wpa_s->conf->home_username[0] == '\0' ||
- wpa_s->conf->home_password == NULL ||
- wpa_s->conf->home_password[0] == '\0')
+ if (cred == NULL ||
+ cred->username == NULL ||
+ cred->username[0] == '\0' ||
+ ((cred->password == NULL ||
+ cred->password[0] == '\0') &&
+ (cred->private_key == NULL ||
+ cred->private_key[0] == '\0')))
return NULL;
for (e = 0; e < realm->eap_count; e++) {
struct nai_realm_eap *eap = &realm->eap[e];
- if (nai_realm_cred_username(eap))
+ if (cred->password && cred->password[0] &&
+ nai_realm_cred_username(eap))
+ return eap;
+ if (cred->private_key && cred->private_key[0] &&
+ nai_realm_cred_cert(eap))
return eap;
}
#ifdef INTERWORKING_3GPP
-static int plmn_id_match(struct wpabuf *anqp, const char *imsi)
+static int plmn_id_match(struct wpabuf *anqp, const char *imsi, int mnc_len)
{
- const char *sep;
- u8 plmn[3];
+ u8 plmn[3], plmn2[3];
const u8 *pos, *end;
u8 udhl;
- sep = os_strchr(imsi, '-');
- if (sep == NULL || (sep - imsi != 5 && sep - imsi != 6))
- return 0;
-
- /* See Annex A of 3GPP TS 24.234 v8.1.0 for description */
+ /*
+ * See Annex A of 3GPP TS 24.234 v8.1.0 for description. The network
+ * operator is allowed to include only two digits of the MNC, so allow
+ * matches based on both two and three digit MNC assumptions. Since some
+ * SIM/USIM cards may not expose MNC length conveniently, we may be
+ * provided the default MNC length 3 here and as such, checking with MNC
+ * length 2 is justifiable even though 3GPP TS 24.234 does not mention
+ * that case. Anyway, MCC/MNC pair where both 2 and 3 digit MNC is used
+ * with otherwise matching values would not be good idea in general, so
+ * this should not result in selecting incorrect networks.
+ */
+ /* Match with 3 digit MNC */
plmn[0] = (imsi[0] - '0') | ((imsi[1] - '0') << 4);
- plmn[1] = imsi[2] - '0';
- if (sep - imsi == 6)
- plmn[1] |= (imsi[5] - '0') << 4;
- else
- plmn[1] |= 0xf0;
+ plmn[1] = (imsi[2] - '0') | ((imsi[5] - '0') << 4);
plmn[2] = (imsi[3] - '0') | ((imsi[4] - '0') << 4);
+ /* Match with 2 digit MNC */
+ plmn2[0] = (imsi[0] - '0') | ((imsi[1] - '0') << 4);
+ plmn2[1] = (imsi[2] - '0') | 0xf0;
+ plmn2[2] = (imsi[3] - '0') | ((imsi[4] - '0') << 4);
if (anqp == NULL)
return 0;
}
end = pos + udhl;
+ wpa_printf(MSG_DEBUG, "Interworking: Matching against MCC/MNC alternatives: %02x:%02x:%02x or %02x:%02x:%02x (IMSI %s, MNC length %d)",
+ plmn[0], plmn[1], plmn[2], plmn2[0], plmn2[1], plmn2[2],
+ imsi, mnc_len);
+
while (pos + 2 <= end) {
u8 iei, len;
const u8 *l_end;
if (iei == 0 && len > 0) {
/* PLMN List */
u8 num, i;
+ wpa_hexdump(MSG_DEBUG, "Interworking: PLMN List information element",
+ pos, len);
num = *pos++;
for (i = 0; i < num; i++) {
- if (pos + 3 > end)
+ if (pos + 3 > l_end)
break;
- if (os_memcmp(pos, plmn, 3) == 0)
+ if (os_memcmp(pos, plmn, 3) == 0 ||
+ os_memcmp(pos, plmn2, 3) == 0)
return 1; /* Found matching PLMN */
+ pos += 3;
}
+ } else {
+ wpa_hexdump(MSG_DEBUG, "Interworking: Unrecognized 3GPP information element",
+ pos, len);
}
pos = l_end;
}
-static int set_root_nai(struct wpa_ssid *ssid, const char *imsi, char prefix)
+static int build_root_nai(char *nai, size_t nai_len, const char *imsi,
+ size_t mnc_len, char prefix)
{
const char *sep, *msin;
- char nai[100], *end, *pos;
+ char *end, *pos;
size_t msin_len, plmn_len;
/*
return -1;
}
sep = os_strchr(imsi, '-');
- if (sep == NULL)
+ if (sep) {
+ plmn_len = sep - imsi;
+ msin = sep + 1;
+ } else if (mnc_len && os_strlen(imsi) >= 3 + mnc_len) {
+ plmn_len = 3 + mnc_len;
+ msin = imsi + plmn_len;
+ } else
return -1;
- plmn_len = sep - imsi;
if (plmn_len != 5 && plmn_len != 6)
return -1;
- msin = sep + 1;
msin_len = os_strlen(msin);
pos = nai;
- end = pos + sizeof(nai);
- *pos++ = prefix;
+ end = nai + nai_len;
+ if (prefix)
+ *pos++ = prefix;
os_memcpy(pos, imsi, plmn_len);
pos += plmn_len;
os_memcpy(pos, msin, msin_len);
pos += os_snprintf(pos, end - pos, ".mcc%c%c%c.3gppnetwork.org",
imsi[0], imsi[1], imsi[2]);
+ return 0;
+}
+
+
+static int set_root_nai(struct wpa_ssid *ssid, const char *imsi, char prefix)
+{
+ char nai[100];
+ if (build_root_nai(nai, sizeof(nai), imsi, 0, prefix) < 0)
+ return -1;
return wpa_config_set_quoted(ssid, "identity", nai);
}
#endif /* INTERWORKING_3GPP */
-static int interworking_connect_3gpp(struct wpa_supplicant *wpa_s,
- struct wpa_bss *bss)
+static int already_connected(struct wpa_supplicant *wpa_s,
+ struct wpa_cred *cred, struct wpa_bss *bss)
{
-#ifdef INTERWORKING_3GPP
struct wpa_ssid *ssid;
- const u8 *ie;
- ie = wpa_bss_get_ie(bss, WLAN_EID_SSID);
- if (ie == NULL)
- return -1;
- wpa_printf(MSG_DEBUG, "Interworking: Connect with " MACSTR " (3GPP)",
- MAC2STR(bss->bssid));
+ if (wpa_s->wpa_state < WPA_ASSOCIATED || wpa_s->current_ssid == NULL)
+ return 0;
- ssid = wpa_config_add_network(wpa_s->conf);
- if (ssid == NULL)
- return -1;
+ ssid = wpa_s->current_ssid;
+ if (ssid->parent_cred != cred)
+ return 0;
- wpas_notify_network_added(wpa_s, ssid);
- wpa_config_set_network_defaults(ssid);
- ssid->temporary = 1;
- ssid->ssid = os_zalloc(ie[1] + 1);
- if (ssid->ssid == NULL)
- goto fail;
- os_memcpy(ssid->ssid, ie + 2, ie[1]);
- ssid->ssid_len = ie[1];
+ if (ssid->ssid_len != bss->ssid_len ||
+ os_memcmp(ssid->ssid, bss->ssid, bss->ssid_len) != 0)
+ return 0;
- /* TODO: figure out whether to use EAP-SIM, EAP-AKA, or EAP-AKA' */
- if (wpa_config_set(ssid, "eap", "SIM", 0) < 0) {
- wpa_printf(MSG_DEBUG, "EAP-SIM not supported");
- goto fail;
- }
- if (set_root_nai(ssid, wpa_s->conf->home_imsi, '1') < 0) {
- wpa_printf(MSG_DEBUG, "Failed to set Root NAI");
- goto fail;
- }
+ return 1;
+}
- if (wpa_s->conf->home_milenage && wpa_s->conf->home_milenage[0]) {
- if (wpa_config_set_quoted(ssid, "password",
- wpa_s->conf->home_milenage) < 0)
- goto fail;
- } else {
- /* TODO: PIN */
- if (wpa_config_set_quoted(ssid, "pcsc", "") < 0)
- goto fail;
+
+static void remove_duplicate_network(struct wpa_supplicant *wpa_s,
+ struct wpa_cred *cred,
+ struct wpa_bss *bss)
+{
+ struct wpa_ssid *ssid;
+
+ for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
+ if (ssid->parent_cred != cred)
+ continue;
+ if (ssid->ssid_len != bss->ssid_len ||
+ os_memcmp(ssid->ssid, bss->ssid, bss->ssid_len) != 0)
+ continue;
+
+ break;
}
- if (wpa_s->conf->home_password && wpa_s->conf->home_password[0] &&
- wpa_config_set_quoted(ssid, "password", wpa_s->conf->home_password)
- < 0)
- goto fail;
+ if (ssid == NULL)
+ return;
- wpa_supplicant_select_network(wpa_s, ssid);
+ wpa_printf(MSG_DEBUG, "Interworking: Remove duplicate network entry for the same credential");
- return 0;
+ if (ssid == wpa_s->current_ssid) {
+ wpa_sm_set_config(wpa_s->wpa, NULL);
+ eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
+ wpa_supplicant_deauthenticate(wpa_s,
+ WLAN_REASON_DEAUTH_LEAVING);
+ }
-fail:
wpas_notify_network_removed(wpa_s, ssid);
wpa_config_remove_network(wpa_s->conf, ssid->id);
-#endif /* INTERWORKING_3GPP */
- return -1;
}
-int interworking_connect(struct wpa_supplicant *wpa_s, struct wpa_bss *bss)
+static int interworking_set_hs20_params(struct wpa_supplicant *wpa_s,
+ struct wpa_ssid *ssid)
{
- struct wpa_ssid *ssid;
- struct nai_realm *realm;
- struct nai_realm_eap *eap = NULL;
- u16 count, i;
- char buf[100];
- const u8 *ie;
-
- if (bss == NULL)
+ if (wpa_config_set(ssid, "key_mgmt",
+ wpa_s->conf->pmf != NO_MGMT_FRAME_PROTECTION ?
+ "WPA-EAP WPA-EAP-SHA256" : "WPA-EAP", 0) < 0)
return -1;
- ie = wpa_bss_get_ie(bss, WLAN_EID_SSID);
- if (ie == NULL || ie[1] == 0) {
- wpa_printf(MSG_DEBUG, "Interworking: No SSID known for "
- MACSTR, MAC2STR(bss->bssid));
+ if (wpa_config_set(ssid, "proto", "RSN", 0) < 0)
return -1;
- }
-
- realm = nai_realm_parse(bss->anqp_nai_realm, &count);
- if (realm == NULL) {
- wpa_printf(MSG_DEBUG, "Interworking: Could not parse NAI "
- "Realm list from " MACSTR, MAC2STR(bss->bssid));
- count = 0;
- }
+ if (wpa_config_set(ssid, "pairwise", "CCMP", 0) < 0)
+ return -1;
+ return 0;
+}
- for (i = 0; i < count; i++) {
- if (!nai_realm_match(&realm[i], wpa_s->conf->home_realm))
- continue;
- eap = nai_realm_find_eap(wpa_s, &realm[i]);
- if (eap)
- break;
- }
- if (!eap) {
- if (interworking_connect_3gpp(wpa_s, bss) == 0) {
- if (realm)
- nai_realm_free(realm, count);
- return 0;
- }
+static int interworking_connect_3gpp(struct wpa_supplicant *wpa_s,
+ struct wpa_cred *cred,
+ struct wpa_bss *bss)
+{
+#ifdef INTERWORKING_3GPP
+ struct wpa_ssid *ssid;
+ int eap_type;
+ int res;
+ char prefix;
- wpa_printf(MSG_DEBUG, "Interworking: No matching credentials "
- "and EAP method found for " MACSTR,
- MAC2STR(bss->bssid));
- nai_realm_free(realm, count);
+ if (bss->anqp == NULL || bss->anqp->anqp_3gpp == NULL)
return -1;
- }
- wpa_printf(MSG_DEBUG, "Interworking: Connect with " MACSTR,
+ wpa_printf(MSG_DEBUG, "Interworking: Connect with " MACSTR " (3GPP)",
MAC2STR(bss->bssid));
+ if (already_connected(wpa_s, cred, bss)) {
+ wpa_msg(wpa_s, MSG_INFO, INTERWORKING_ALREADY_CONNECTED MACSTR,
+ MAC2STR(bss->bssid));
+ return 0;
+ }
+
+ remove_duplicate_network(wpa_s, cred, bss);
+
ssid = wpa_config_add_network(wpa_s->conf);
- if (ssid == NULL) {
- nai_realm_free(realm, count);
+ if (ssid == NULL)
return -1;
- }
+ ssid->parent_cred = cred;
+
wpas_notify_network_added(wpa_s, ssid);
wpa_config_set_network_defaults(ssid);
+ ssid->priority = cred->priority;
ssid->temporary = 1;
- ssid->ssid = os_zalloc(ie[1] + 1);
+ ssid->ssid = os_zalloc(bss->ssid_len + 1);
if (ssid->ssid == NULL)
goto fail;
- os_memcpy(ssid->ssid, ie + 2, ie[1]);
- ssid->ssid_len = ie[1];
+ os_memcpy(ssid->ssid, bss->ssid, bss->ssid_len);
+ ssid->ssid_len = bss->ssid_len;
- if (wpa_config_set(ssid, "eap", eap_get_name(EAP_VENDOR_IETF,
- eap->method), 0) < 0)
+ if (interworking_set_hs20_params(wpa_s, ssid) < 0)
goto fail;
- if (wpa_s->conf->home_username && wpa_s->conf->home_username[0] &&
- wpa_config_set_quoted(ssid, "identity",
- wpa_s->conf->home_username) < 0)
+ eap_type = EAP_TYPE_SIM;
+ if (cred->pcsc && wpa_s->scard && scard_supports_umts(wpa_s->scard))
+ eap_type = EAP_TYPE_AKA;
+ if (cred->eap_method && cred->eap_method[0].vendor == EAP_VENDOR_IETF) {
+ if (cred->eap_method[0].method == EAP_TYPE_SIM ||
+ cred->eap_method[0].method == EAP_TYPE_AKA ||
+ cred->eap_method[0].method == EAP_TYPE_AKA_PRIME)
+ eap_type = cred->eap_method[0].method;
+ }
+
+ switch (eap_type) {
+ case EAP_TYPE_SIM:
+ prefix = '1';
+ res = wpa_config_set(ssid, "eap", "SIM", 0);
+ break;
+ case EAP_TYPE_AKA:
+ prefix = '0';
+ res = wpa_config_set(ssid, "eap", "AKA", 0);
+ break;
+ case EAP_TYPE_AKA_PRIME:
+ prefix = '6';
+ res = wpa_config_set(ssid, "eap", "AKA'", 0);
+ break;
+ default:
+ res = -1;
+ break;
+ }
+ if (res < 0) {
+ wpa_printf(MSG_DEBUG, "Selected EAP method (%d) not supported",
+ eap_type);
goto fail;
+ }
- if (wpa_s->conf->home_password && wpa_s->conf->home_password[0] &&
- wpa_config_set_quoted(ssid, "password", wpa_s->conf->home_password)
- < 0)
+ if (!cred->pcsc && set_root_nai(ssid, cred->imsi, prefix) < 0) {
+ wpa_printf(MSG_DEBUG, "Failed to set Root NAI");
goto fail;
+ }
- switch (eap->method) {
- case EAP_TYPE_TTLS:
- if (eap->inner_method) {
- os_snprintf(buf, sizeof(buf), "\"autheap=%s\"",
- eap_get_name(EAP_VENDOR_IETF,
- eap->inner_method));
- if (wpa_config_set(ssid, "phase2", buf, 0) < 0)
- goto fail;
- break;
- }
- switch (eap->inner_non_eap) {
- case NAI_REALM_INNER_NON_EAP_PAP:
- if (wpa_config_set(ssid, "phase2", "\"auth=PAP\"", 0) <
- 0)
- goto fail;
- break;
- case NAI_REALM_INNER_NON_EAP_CHAP:
- if (wpa_config_set(ssid, "phase2", "\"auth=CHAP\"", 0)
- < 0)
- goto fail;
- break;
- case NAI_REALM_INNER_NON_EAP_MSCHAP:
- if (wpa_config_set(ssid, "phase2", "\"auth=CHAP\"", 0)
- < 0)
- goto fail;
- break;
- case NAI_REALM_INNER_NON_EAP_MSCHAPV2:
- if (wpa_config_set(ssid, "phase2", "\"auth=MSCHAPV2\"",
- 0) < 0)
- goto fail;
- break;
- }
- break;
- case EAP_TYPE_PEAP:
- os_snprintf(buf, sizeof(buf), "\"auth=%s\"",
- eap_get_name(EAP_VENDOR_IETF, eap->inner_method));
- if (wpa_config_set(ssid, "phase2", buf, 0) < 0)
+ if (cred->milenage && cred->milenage[0]) {
+ if (wpa_config_set_quoted(ssid, "password",
+ cred->milenage) < 0)
+ goto fail;
+ } else if (cred->pcsc) {
+ if (wpa_config_set_quoted(ssid, "pcsc", "") < 0)
+ goto fail;
+ if (wpa_s->conf->pcsc_pin &&
+ wpa_config_set_quoted(ssid, "pin", wpa_s->conf->pcsc_pin)
+ < 0)
goto fail;
- break;
}
- if (wpa_s->conf->home_ca_cert && wpa_s->conf->home_ca_cert[0] &&
- wpa_config_set_quoted(ssid, "ca_cert", wpa_s->conf->home_ca_cert) <
- 0)
+ if (cred->password && cred->password[0] &&
+ wpa_config_set_quoted(ssid, "password", cred->password) < 0)
goto fail;
- nai_realm_free(realm, count);
-
- wpa_supplicant_select_network(wpa_s, ssid);
+ wpa_s->next_ssid = ssid;
+ wpa_config_update_prio_list(wpa_s->conf);
+ interworking_reconnect(wpa_s);
return 0;
fail:
wpas_notify_network_removed(wpa_s, ssid);
wpa_config_remove_network(wpa_s->conf, ssid->id);
- nai_realm_free(realm, count);
+#endif /* INTERWORKING_3GPP */
return -1;
}
-static int interworking_credentials_available_3gpp(
- struct wpa_supplicant *wpa_s, struct wpa_bss *bss)
+static int roaming_consortium_element_match(const u8 *ie, const u8 *rc_id,
+ size_t rc_len)
{
- int ret = 0;
+ const u8 *pos, *end;
+ u8 lens;
-#ifdef INTERWORKING_3GPP
- if (bss->anqp_3gpp == NULL)
- return ret;
+ if (ie == NULL)
+ return 0;
- if (wpa_s->conf->home_imsi == NULL || !wpa_s->conf->home_imsi[0] ||
- wpa_s->conf->home_milenage == NULL ||
- !wpa_s->conf->home_milenage[0])
- return ret;
+ pos = ie + 2;
+ end = ie + 2 + ie[1];
- wpa_printf(MSG_DEBUG, "Interworking: Parsing 3GPP info from " MACSTR,
- MAC2STR(bss->bssid));
- ret = plmn_id_match(bss->anqp_3gpp, wpa_s->conf->home_imsi);
- wpa_printf(MSG_DEBUG, "PLMN match %sfound", ret ? "" : "not ");
-#endif /* INTERWORKING_3GPP */
- return ret;
+ /* Roaming Consortium element:
+ * Number of ANQP OIs
+ * OI #1 and #2 lengths
+ * OI #1, [OI #2], [OI #3]
+ */
+
+ if (pos + 2 > end)
+ return 0;
+
+ pos++; /* skip Number of ANQP OIs */
+ lens = *pos++;
+ if (pos + (lens & 0x0f) + (lens >> 4) > end)
+ return 0;
+
+ if ((lens & 0x0f) == rc_len && os_memcmp(pos, rc_id, rc_len) == 0)
+ return 1;
+ pos += lens & 0x0f;
+
+ if ((lens >> 4) == rc_len && os_memcmp(pos, rc_id, rc_len) == 0)
+ return 1;
+ pos += lens >> 4;
+
+ if (pos < end && (size_t) (end - pos) == rc_len &&
+ os_memcmp(pos, rc_id, rc_len) == 0)
+ return 1;
+
+ return 0;
+}
+
+
+static int roaming_consortium_anqp_match(const struct wpabuf *anqp,
+ const u8 *rc_id, size_t rc_len)
+{
+ const u8 *pos, *end;
+ u8 len;
+
+ if (anqp == NULL)
+ return 0;
+
+ pos = wpabuf_head(anqp);
+ end = pos + wpabuf_len(anqp);
+
+ /* Set of <OI Length, OI> duples */
+ while (pos < end) {
+ len = *pos++;
+ if (pos + len > end)
+ break;
+ if (len == rc_len && os_memcmp(pos, rc_id, rc_len) == 0)
+ return 1;
+ pos += len;
+ }
+
+ return 0;
+}
+
+
+static int roaming_consortium_match(const u8 *ie, const struct wpabuf *anqp,
+ const u8 *rc_id, size_t rc_len)
+{
+ return roaming_consortium_element_match(ie, rc_id, rc_len) ||
+ roaming_consortium_anqp_match(anqp, rc_id, rc_len);
+}
+
+
+static int cred_no_required_oi_match(struct wpa_cred *cred, struct wpa_bss *bss)
+{
+ const u8 *ie;
+
+ if (cred->required_roaming_consortium_len == 0)
+ return 0;
+
+ ie = wpa_bss_get_ie(bss, WLAN_EID_ROAMING_CONSORTIUM);
+
+ if (ie == NULL &&
+ (bss->anqp == NULL || bss->anqp->roaming_consortium == NULL))
+ return 1;
+
+ return !roaming_consortium_match(ie,
+ bss->anqp ?
+ bss->anqp->roaming_consortium : NULL,
+ cred->required_roaming_consortium,
+ cred->required_roaming_consortium_len);
+}
+
+
+static int cred_excluded_ssid(struct wpa_cred *cred, struct wpa_bss *bss)
+{
+ size_t i;
+
+ if (!cred->excluded_ssid)
+ return 0;
+
+ for (i = 0; i < cred->num_excluded_ssid; i++) {
+ struct excluded_ssid *e = &cred->excluded_ssid[i];
+ if (bss->ssid_len == e->ssid_len &&
+ os_memcmp(bss->ssid, e->ssid, e->ssid_len) == 0)
+ return 1;
+ }
+
+ return 0;
}
-static int interworking_credentials_available_realm(
+static struct wpa_cred * interworking_credentials_available_roaming_consortium(
struct wpa_supplicant *wpa_s, struct wpa_bss *bss)
{
+ struct wpa_cred *cred, *selected = NULL;
+ const u8 *ie;
+
+ ie = wpa_bss_get_ie(bss, WLAN_EID_ROAMING_CONSORTIUM);
+
+ if (ie == NULL &&
+ (bss->anqp == NULL || bss->anqp->roaming_consortium == NULL))
+ return NULL;
+
+ if (wpa_s->conf->cred == NULL)
+ return NULL;
+
+ for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
+ if (cred->roaming_consortium_len == 0)
+ continue;
+
+ if (!roaming_consortium_match(ie,
+ bss->anqp ?
+ bss->anqp->roaming_consortium :
+ NULL,
+ cred->roaming_consortium,
+ cred->roaming_consortium_len))
+ continue;
+
+ if (cred_excluded_ssid(cred, bss))
+ continue;
+ if (cred_no_required_oi_match(cred, bss))
+ continue;
+
+ if (selected == NULL ||
+ selected->priority < cred->priority)
+ selected = cred;
+ }
+
+ return selected;
+}
+
+
+static int interworking_set_eap_params(struct wpa_ssid *ssid,
+ struct wpa_cred *cred, int ttls)
+{
+ if (cred->eap_method) {
+ ttls = cred->eap_method->vendor == EAP_VENDOR_IETF &&
+ cred->eap_method->method == EAP_TYPE_TTLS;
+
+ os_free(ssid->eap.eap_methods);
+ ssid->eap.eap_methods =
+ os_malloc(sizeof(struct eap_method_type) * 2);
+ if (ssid->eap.eap_methods == NULL)
+ return -1;
+ os_memcpy(ssid->eap.eap_methods, cred->eap_method,
+ sizeof(*cred->eap_method));
+ ssid->eap.eap_methods[1].vendor = EAP_VENDOR_IETF;
+ ssid->eap.eap_methods[1].method = EAP_TYPE_NONE;
+ }
+
+ if (ttls && cred->username && cred->username[0]) {
+ const char *pos;
+ char *anon;
+ /* Use anonymous NAI in Phase 1 */
+ pos = os_strchr(cred->username, '@');
+ if (pos) {
+ size_t buflen = 9 + os_strlen(pos) + 1;
+ anon = os_malloc(buflen);
+ if (anon == NULL)
+ return -1;
+ os_snprintf(anon, buflen, "anonymous%s", pos);
+ } else if (cred->realm) {
+ size_t buflen = 10 + os_strlen(cred->realm) + 1;
+ anon = os_malloc(buflen);
+ if (anon == NULL)
+ return -1;
+ os_snprintf(anon, buflen, "anonymous@%s", cred->realm);
+ } else {
+ anon = os_strdup("anonymous");
+ if (anon == NULL)
+ return -1;
+ }
+ if (wpa_config_set_quoted(ssid, "anonymous_identity", anon) <
+ 0) {
+ os_free(anon);
+ return -1;
+ }
+ os_free(anon);
+ }
+
+ if (cred->username && cred->username[0] &&
+ wpa_config_set_quoted(ssid, "identity", cred->username) < 0)
+ return -1;
+
+ if (cred->password && cred->password[0]) {
+ if (cred->ext_password &&
+ wpa_config_set(ssid, "password", cred->password, 0) < 0)
+ return -1;
+ if (!cred->ext_password &&
+ wpa_config_set_quoted(ssid, "password", cred->password) <
+ 0)
+ return -1;
+ }
+
+ if (cred->client_cert && cred->client_cert[0] &&
+ wpa_config_set_quoted(ssid, "client_cert", cred->client_cert) < 0)
+ return -1;
+
+#ifdef ANDROID
+ if (cred->private_key &&
+ os_strncmp(cred->private_key, "keystore://", 11) == 0) {
+ /* Use OpenSSL engine configuration for Android keystore */
+ if (wpa_config_set_quoted(ssid, "engine_id", "keystore") < 0 ||
+ wpa_config_set_quoted(ssid, "key_id",
+ cred->private_key + 11) < 0 ||
+ wpa_config_set(ssid, "engine", "1", 0) < 0)
+ return -1;
+ } else
+#endif /* ANDROID */
+ if (cred->private_key && cred->private_key[0] &&
+ wpa_config_set_quoted(ssid, "private_key", cred->private_key) < 0)
+ return -1;
+
+ if (cred->private_key_passwd && cred->private_key_passwd[0] &&
+ wpa_config_set_quoted(ssid, "private_key_passwd",
+ cred->private_key_passwd) < 0)
+ return -1;
+
+ if (cred->phase1) {
+ os_free(ssid->eap.phase1);
+ ssid->eap.phase1 = os_strdup(cred->phase1);
+ }
+ if (cred->phase2) {
+ os_free(ssid->eap.phase2);
+ ssid->eap.phase2 = os_strdup(cred->phase2);
+ }
+
+ if (cred->ca_cert && cred->ca_cert[0] &&
+ wpa_config_set_quoted(ssid, "ca_cert", cred->ca_cert) < 0)
+ return -1;
+
+ if (cred->domain_suffix_match && cred->domain_suffix_match[0] &&
+ wpa_config_set_quoted(ssid, "domain_suffix_match",
+ cred->domain_suffix_match) < 0)
+ return -1;
+
+ return 0;
+}
+
+
+static int interworking_connect_roaming_consortium(
+ struct wpa_supplicant *wpa_s, struct wpa_cred *cred,
+ struct wpa_bss *bss)
+{
+ struct wpa_ssid *ssid;
+
+ wpa_printf(MSG_DEBUG, "Interworking: Connect with " MACSTR " based on "
+ "roaming consortium match", MAC2STR(bss->bssid));
+
+ if (already_connected(wpa_s, cred, bss)) {
+ wpa_msg(wpa_s, MSG_INFO, INTERWORKING_ALREADY_CONNECTED MACSTR,
+ MAC2STR(bss->bssid));
+ return 0;
+ }
+
+ remove_duplicate_network(wpa_s, cred, bss);
+
+ ssid = wpa_config_add_network(wpa_s->conf);
+ if (ssid == NULL)
+ return -1;
+ ssid->parent_cred = cred;
+ wpas_notify_network_added(wpa_s, ssid);
+ wpa_config_set_network_defaults(ssid);
+ ssid->priority = cred->priority;
+ ssid->temporary = 1;
+ ssid->ssid = os_zalloc(bss->ssid_len + 1);
+ if (ssid->ssid == NULL)
+ goto fail;
+ os_memcpy(ssid->ssid, bss->ssid, bss->ssid_len);
+ ssid->ssid_len = bss->ssid_len;
+
+ if (interworking_set_hs20_params(wpa_s, ssid) < 0)
+ goto fail;
+
+ if (cred->eap_method == NULL) {
+ wpa_printf(MSG_DEBUG, "Interworking: No EAP method set for "
+ "credential using roaming consortium");
+ goto fail;
+ }
+
+ if (interworking_set_eap_params(
+ ssid, cred,
+ cred->eap_method->vendor == EAP_VENDOR_IETF &&
+ cred->eap_method->method == EAP_TYPE_TTLS) < 0)
+ goto fail;
+
+ wpa_s->next_ssid = ssid;
+ wpa_config_update_prio_list(wpa_s->conf);
+ interworking_reconnect(wpa_s);
+
+ return 0;
+
+fail:
+ wpas_notify_network_removed(wpa_s, ssid);
+ wpa_config_remove_network(wpa_s->conf, ssid->id);
+ return -1;
+}
+
+
+int interworking_connect(struct wpa_supplicant *wpa_s, struct wpa_bss *bss)
+{
+ struct wpa_cred *cred, *cred_rc, *cred_3gpp;
+ struct wpa_ssid *ssid;
struct nai_realm *realm;
+ struct nai_realm_eap *eap = NULL;
u16 count, i;
- int found = 0;
+ char buf[100];
- if (bss->anqp_nai_realm == NULL)
- return 0;
+ if (wpa_s->conf->cred == NULL || bss == NULL)
+ return -1;
+ if (disallowed_bssid(wpa_s, bss->bssid) ||
+ disallowed_ssid(wpa_s, bss->ssid, bss->ssid_len)) {
+ wpa_printf(MSG_DEBUG, "Interworking: Reject connection to disallowed BSS "
+ MACSTR, MAC2STR(bss->bssid));
+ return -1;
+ }
+
+ if (!wpa_bss_get_ie(bss, WLAN_EID_RSN)) {
+ /*
+ * We currently support only HS 2.0 networks and those are
+ * required to use WPA2-Enterprise.
+ */
+ wpa_printf(MSG_DEBUG, "Interworking: Network does not use "
+ "RSN");
+ return -1;
+ }
+
+ cred_rc = interworking_credentials_available_roaming_consortium(wpa_s,
+ bss);
+ if (cred_rc) {
+ wpa_printf(MSG_DEBUG, "Interworking: Highest roaming "
+ "consortium matching credential priority %d",
+ cred_rc->priority);
+ }
+
+ cred = interworking_credentials_available_realm(wpa_s, bss);
+ if (cred) {
+ wpa_printf(MSG_DEBUG, "Interworking: Highest NAI Realm list "
+ "matching credential priority %d",
+ cred->priority);
+ }
+
+ cred_3gpp = interworking_credentials_available_3gpp(wpa_s, bss);
+ if (cred_3gpp) {
+ wpa_printf(MSG_DEBUG, "Interworking: Highest 3GPP matching "
+ "credential priority %d", cred_3gpp->priority);
+ }
- if (wpa_s->conf->home_realm == NULL)
+ if (cred_rc &&
+ (cred == NULL || cred_rc->priority >= cred->priority) &&
+ (cred_3gpp == NULL || cred_rc->priority >= cred_3gpp->priority))
+ return interworking_connect_roaming_consortium(wpa_s, cred_rc,
+ bss);
+
+ if (cred_3gpp &&
+ (cred == NULL || cred_3gpp->priority >= cred->priority)) {
+ return interworking_connect_3gpp(wpa_s, cred_3gpp, bss);
+ }
+
+ if (cred == NULL) {
+ wpa_printf(MSG_DEBUG, "Interworking: No matching credentials "
+ "found for " MACSTR, MAC2STR(bss->bssid));
+ return -1;
+ }
+
+ realm = nai_realm_parse(bss->anqp ? bss->anqp->nai_realm : NULL,
+ &count);
+ if (realm == NULL) {
+ wpa_printf(MSG_DEBUG, "Interworking: Could not parse NAI "
+ "Realm list from " MACSTR, MAC2STR(bss->bssid));
+ return -1;
+ }
+
+ for (i = 0; i < count; i++) {
+ if (!nai_realm_match(&realm[i], cred->realm))
+ continue;
+ eap = nai_realm_find_eap(cred, &realm[i]);
+ if (eap)
+ break;
+ }
+
+ if (!eap) {
+ wpa_printf(MSG_DEBUG, "Interworking: No matching credentials "
+ "and EAP method found for " MACSTR,
+ MAC2STR(bss->bssid));
+ nai_realm_free(realm, count);
+ return -1;
+ }
+
+ wpa_printf(MSG_DEBUG, "Interworking: Connect with " MACSTR,
+ MAC2STR(bss->bssid));
+
+ if (already_connected(wpa_s, cred, bss)) {
+ wpa_msg(wpa_s, MSG_INFO, INTERWORKING_ALREADY_CONNECTED MACSTR,
+ MAC2STR(bss->bssid));
+ nai_realm_free(realm, count);
return 0;
+ }
+
+ remove_duplicate_network(wpa_s, cred, bss);
+
+ ssid = wpa_config_add_network(wpa_s->conf);
+ if (ssid == NULL) {
+ nai_realm_free(realm, count);
+ return -1;
+ }
+ ssid->parent_cred = cred;
+ wpas_notify_network_added(wpa_s, ssid);
+ wpa_config_set_network_defaults(ssid);
+ ssid->priority = cred->priority;
+ ssid->temporary = 1;
+ ssid->ssid = os_zalloc(bss->ssid_len + 1);
+ if (ssid->ssid == NULL)
+ goto fail;
+ os_memcpy(ssid->ssid, bss->ssid, bss->ssid_len);
+ ssid->ssid_len = bss->ssid_len;
+
+ if (interworking_set_hs20_params(wpa_s, ssid) < 0)
+ goto fail;
+
+ if (wpa_config_set(ssid, "eap", eap_get_name(EAP_VENDOR_IETF,
+ eap->method), 0) < 0)
+ goto fail;
+
+ switch (eap->method) {
+ case EAP_TYPE_TTLS:
+ if (eap->inner_method) {
+ os_snprintf(buf, sizeof(buf), "\"autheap=%s\"",
+ eap_get_name(EAP_VENDOR_IETF,
+ eap->inner_method));
+ if (wpa_config_set(ssid, "phase2", buf, 0) < 0)
+ goto fail;
+ break;
+ }
+ switch (eap->inner_non_eap) {
+ case NAI_REALM_INNER_NON_EAP_PAP:
+ if (wpa_config_set(ssid, "phase2", "\"auth=PAP\"", 0) <
+ 0)
+ goto fail;
+ break;
+ case NAI_REALM_INNER_NON_EAP_CHAP:
+ if (wpa_config_set(ssid, "phase2", "\"auth=CHAP\"", 0)
+ < 0)
+ goto fail;
+ break;
+ case NAI_REALM_INNER_NON_EAP_MSCHAP:
+ if (wpa_config_set(ssid, "phase2", "\"auth=MSCHAP\"",
+ 0) < 0)
+ goto fail;
+ break;
+ case NAI_REALM_INNER_NON_EAP_MSCHAPV2:
+ if (wpa_config_set(ssid, "phase2", "\"auth=MSCHAPV2\"",
+ 0) < 0)
+ goto fail;
+ break;
+ default:
+ /* EAP params were not set - assume TTLS/MSCHAPv2 */
+ if (wpa_config_set(ssid, "phase2", "\"auth=MSCHAPV2\"",
+ 0) < 0)
+ goto fail;
+ break;
+ }
+ break;
+ case EAP_TYPE_PEAP:
+ case EAP_TYPE_FAST:
+ if (wpa_config_set(ssid, "phase1", "\"fast_provisioning=2\"",
+ 0) < 0)
+ goto fail;
+ if (wpa_config_set(ssid, "pac_file",
+ "\"blob://pac_interworking\"", 0) < 0)
+ goto fail;
+ os_snprintf(buf, sizeof(buf), "\"auth=%s\"",
+ eap_get_name(EAP_VENDOR_IETF,
+ eap->inner_method ?
+ eap->inner_method :
+ EAP_TYPE_MSCHAPV2));
+ if (wpa_config_set(ssid, "phase2", buf, 0) < 0)
+ goto fail;
+ break;
+ case EAP_TYPE_TLS:
+ break;
+ }
+
+ if (interworking_set_eap_params(ssid, cred,
+ eap->method == EAP_TYPE_TTLS) < 0)
+ goto fail;
+
+ nai_realm_free(realm, count);
+
+ wpa_s->next_ssid = ssid;
+ wpa_config_update_prio_list(wpa_s->conf);
+ interworking_reconnect(wpa_s);
+
+ return 0;
+
+fail:
+ wpas_notify_network_removed(wpa_s, ssid);
+ wpa_config_remove_network(wpa_s->conf, ssid->id);
+ nai_realm_free(realm, count);
+ return -1;
+}
+
+
+static struct wpa_cred * interworking_credentials_available_3gpp(
+ struct wpa_supplicant *wpa_s, struct wpa_bss *bss)
+{
+ struct wpa_cred *selected = NULL;
+#ifdef INTERWORKING_3GPP
+ struct wpa_cred *cred;
+ int ret;
+
+ if (bss->anqp == NULL || bss->anqp->anqp_3gpp == NULL)
+ return NULL;
+
+#ifdef CONFIG_EAP_PROXY
+ if (!wpa_s->imsi[0]) {
+ size_t len;
+ wpa_printf(MSG_DEBUG, "Interworking: IMSI not available - try to read again through eap_proxy");
+ wpa_s->mnc_len = eapol_sm_get_eap_proxy_imsi(wpa_s->eapol,
+ wpa_s->imsi,
+ &len);
+ if (wpa_s->mnc_len > 0) {
+ wpa_s->imsi[len] = '\0';
+ wpa_printf(MSG_DEBUG, "eap_proxy: IMSI %s (MNC length %d)",
+ wpa_s->imsi, wpa_s->mnc_len);
+ } else {
+ wpa_printf(MSG_DEBUG, "eap_proxy: IMSI not available");
+ }
+ }
+#endif /* CONFIG_EAP_PROXY */
+
+ for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
+ char *sep;
+ const char *imsi;
+ int mnc_len;
+ char imsi_buf[16];
+ size_t msin_len;
+
+#ifdef PCSC_FUNCS
+ if (cred->pcsc && wpa_s->conf->pcsc_reader && wpa_s->scard &&
+ wpa_s->imsi[0]) {
+ imsi = wpa_s->imsi;
+ mnc_len = wpa_s->mnc_len;
+ goto compare;
+ }
+#endif /* PCSC_FUNCS */
+#ifdef CONFIG_EAP_PROXY
+ if (cred->pcsc && wpa_s->mnc_len > 0 && wpa_s->imsi[0]) {
+ imsi = wpa_s->imsi;
+ mnc_len = wpa_s->mnc_len;
+ goto compare;
+ }
+#endif /* CONFIG_EAP_PROXY */
+
+ if (cred->imsi == NULL || !cred->imsi[0] ||
+ (!wpa_s->conf->external_sim &&
+ (cred->milenage == NULL || !cred->milenage[0])))
+ continue;
+
+ sep = os_strchr(cred->imsi, '-');
+ if (sep == NULL ||
+ (sep - cred->imsi != 5 && sep - cred->imsi != 6))
+ continue;
+ mnc_len = sep - cred->imsi - 3;
+ os_memcpy(imsi_buf, cred->imsi, 3 + mnc_len);
+ sep++;
+ msin_len = os_strlen(cred->imsi);
+ if (3 + mnc_len + msin_len >= sizeof(imsi_buf) - 1)
+ msin_len = sizeof(imsi_buf) - 3 - mnc_len - 1;
+ os_memcpy(&imsi_buf[3 + mnc_len], sep, msin_len);
+ imsi_buf[3 + mnc_len + msin_len] = '\0';
+ imsi = imsi_buf;
+
+#if defined(PCSC_FUNCS) || defined(CONFIG_EAP_PROXY)
+ compare:
+#endif /* PCSC_FUNCS || CONFIG_EAP_PROXY */
+ wpa_printf(MSG_DEBUG, "Interworking: Parsing 3GPP info from "
+ MACSTR, MAC2STR(bss->bssid));
+ ret = plmn_id_match(bss->anqp->anqp_3gpp, imsi, mnc_len);
+ wpa_printf(MSG_DEBUG, "PLMN match %sfound", ret ? "" : "not ");
+ if (ret) {
+ if (cred_excluded_ssid(cred, bss))
+ continue;
+ if (cred_no_required_oi_match(cred, bss))
+ continue;
+ if (selected == NULL ||
+ selected->priority < cred->priority)
+ selected = cred;
+ }
+ }
+#endif /* INTERWORKING_3GPP */
+ return selected;
+}
+
+
+static struct wpa_cred * interworking_credentials_available_realm(
+ struct wpa_supplicant *wpa_s, struct wpa_bss *bss)
+{
+ struct wpa_cred *cred, *selected = NULL;
+ struct nai_realm *realm;
+ u16 count, i;
+
+ if (bss->anqp == NULL || bss->anqp->nai_realm == NULL)
+ return NULL;
+
+ if (wpa_s->conf->cred == NULL)
+ return NULL;
wpa_printf(MSG_DEBUG, "Interworking: Parsing NAI Realm list from "
MACSTR, MAC2STR(bss->bssid));
- realm = nai_realm_parse(bss->anqp_nai_realm, &count);
+ realm = nai_realm_parse(bss->anqp->nai_realm, &count);
if (realm == NULL) {
wpa_printf(MSG_DEBUG, "Interworking: Could not parse NAI "
"Realm list from " MACSTR, MAC2STR(bss->bssid));
- return 0;
+ return NULL;
}
- for (i = 0; i < count; i++) {
- if (!nai_realm_match(&realm[i], wpa_s->conf->home_realm))
+ for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
+ if (cred->realm == NULL)
continue;
- if (nai_realm_find_eap(wpa_s, &realm[i])) {
- found++;
- break;
+
+ for (i = 0; i < count; i++) {
+ if (!nai_realm_match(&realm[i], cred->realm))
+ continue;
+ if (nai_realm_find_eap(cred, &realm[i])) {
+ if (cred_excluded_ssid(cred, bss))
+ continue;
+ if (cred_no_required_oi_match(cred, bss))
+ continue;
+ if (selected == NULL ||
+ selected->priority < cred->priority)
+ selected = cred;
+ break;
+ }
}
}
nai_realm_free(realm, count);
- return found;
+ return selected;
+}
+
+
+static struct wpa_cred * interworking_credentials_available(
+ struct wpa_supplicant *wpa_s, struct wpa_bss *bss)
+{
+ struct wpa_cred *cred, *cred2;
+
+ if (disallowed_bssid(wpa_s, bss->bssid) ||
+ disallowed_ssid(wpa_s, bss->ssid, bss->ssid_len)) {
+ wpa_printf(MSG_DEBUG, "Interworking: Ignore disallowed BSS "
+ MACSTR, MAC2STR(bss->bssid));
+ return NULL;
+ }
+
+ cred = interworking_credentials_available_realm(wpa_s, bss);
+ cred2 = interworking_credentials_available_3gpp(wpa_s, bss);
+ if (cred && cred2 && cred2->priority >= cred->priority)
+ cred = cred2;
+ if (!cred)
+ cred = cred2;
+
+ cred2 = interworking_credentials_available_roaming_consortium(wpa_s,
+ bss);
+ if (cred && cred2 && cred2->priority >= cred->priority)
+ cred = cred2;
+ if (!cred)
+ cred = cred2;
+
+ return cred;
+}
+
+
+static int domain_name_list_contains(struct wpabuf *domain_names,
+ const char *domain, int exact_match)
+{
+ const u8 *pos, *end;
+ size_t len;
+
+ len = os_strlen(domain);
+ pos = wpabuf_head(domain_names);
+ end = pos + wpabuf_len(domain_names);
+
+ while (pos + 1 < end) {
+ if (pos + 1 + pos[0] > end)
+ break;
+
+ wpa_hexdump_ascii(MSG_DEBUG, "Interworking: AP domain name",
+ pos + 1, pos[0]);
+ if (pos[0] == len &&
+ os_strncasecmp(domain, (const char *) (pos + 1), len) == 0)
+ return 1;
+ if (!exact_match && pos[0] > len && pos[pos[0] - len] == '.') {
+ const char *ap = (const char *) (pos + 1);
+ int offset = pos[0] - len;
+ if (os_strncasecmp(domain, ap + offset, len) == 0)
+ return 1;
+ }
+
+ pos += 1 + pos[0];
+ }
+
+ return 0;
+}
+
+
+int interworking_home_sp_cred(struct wpa_supplicant *wpa_s,
+ struct wpa_cred *cred,
+ struct wpabuf *domain_names)
+{
+ size_t i;
+ int ret = -1;
+#ifdef INTERWORKING_3GPP
+ char nai[100], *realm;
+
+ char *imsi = NULL;
+ int mnc_len = 0;
+ if (cred->imsi)
+ imsi = cred->imsi;
+#ifdef CONFIG_PCSC
+ else if (cred->pcsc && wpa_s->conf->pcsc_reader &&
+ wpa_s->scard && wpa_s->imsi[0]) {
+ imsi = wpa_s->imsi;
+ mnc_len = wpa_s->mnc_len;
+ }
+#endif /* CONFIG_PCSC */
+#ifdef CONFIG_EAP_PROXY
+ else if (cred->pcsc && wpa_s->mnc_len > 0 && wpa_s->imsi[0]) {
+ imsi = wpa_s->imsi;
+ mnc_len = wpa_s->mnc_len;
+ }
+#endif /* CONFIG_EAP_PROXY */
+ if (domain_names &&
+ imsi && build_root_nai(nai, sizeof(nai), imsi, mnc_len, 0) == 0) {
+ realm = os_strchr(nai, '@');
+ if (realm)
+ realm++;
+ wpa_printf(MSG_DEBUG, "Interworking: Search for match "
+ "with SIM/USIM domain %s", realm);
+ if (realm &&
+ domain_name_list_contains(domain_names, realm, 1))
+ return 1;
+ if (realm)
+ ret = 0;
+ }
+#endif /* INTERWORKING_3GPP */
+
+ if (domain_names == NULL || cred->domain == NULL)
+ return ret;
+
+ for (i = 0; i < cred->num_domain; i++) {
+ wpa_printf(MSG_DEBUG, "Interworking: Search for match with "
+ "home SP FQDN %s", cred->domain[i]);
+ if (domain_name_list_contains(domain_names, cred->domain[i], 1))
+ return 1;
+ }
+
+ return 0;
+}
+
+
+static int interworking_home_sp(struct wpa_supplicant *wpa_s,
+ struct wpabuf *domain_names)
+{
+ struct wpa_cred *cred;
+
+ if (domain_names == NULL || wpa_s->conf->cred == NULL)
+ return -1;
+
+ for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
+ int res = interworking_home_sp_cred(wpa_s, cred, domain_names);
+ if (res)
+ return res;
+ }
+
+ return 0;
+}
+
+
+static int interworking_find_network_match(struct wpa_supplicant *wpa_s)
+{
+ struct wpa_bss *bss;
+ struct wpa_ssid *ssid;
+
+ dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
+ for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
+ if (wpas_network_disabled(wpa_s, ssid) ||
+ ssid->mode != WPAS_MODE_INFRA)
+ continue;
+ if (ssid->ssid_len != bss->ssid_len ||
+ os_memcmp(ssid->ssid, bss->ssid, ssid->ssid_len) !=
+ 0)
+ continue;
+ /*
+ * TODO: Consider more accurate matching of security
+ * configuration similarly to what is done in events.c
+ */
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+
+static int roaming_partner_match(struct wpa_supplicant *wpa_s,
+ struct roaming_partner *partner,
+ struct wpabuf *domain_names)
+{
+ if (!domain_name_list_contains(domain_names, partner->fqdn,
+ partner->exact_match))
+ return 0;
+ /* TODO: match Country */
+ return 1;
+}
+
+
+static u8 roaming_prio(struct wpa_supplicant *wpa_s, struct wpa_cred *cred,
+ struct wpa_bss *bss)
+{
+ size_t i;
+
+ if (bss->anqp == NULL || bss->anqp->domain_name == NULL)
+ return 128; /* cannot check preference with domain name */
+
+ if (interworking_home_sp_cred(wpa_s, cred, bss->anqp->domain_name) > 0)
+ return 0; /* max preference for home SP network */
+
+ for (i = 0; i < cred->num_roaming_partner; i++) {
+ if (roaming_partner_match(wpa_s, &cred->roaming_partner[i],
+ bss->anqp->domain_name))
+ return cred->roaming_partner[i].priority;
+ }
+
+ return 128;
}
-static int interworking_credentials_available(struct wpa_supplicant *wpa_s,
- struct wpa_bss *bss)
+static struct wpa_bss * pick_best_roaming_partner(struct wpa_supplicant *wpa_s,
+ struct wpa_bss *selected,
+ struct wpa_cred *cred)
{
- return interworking_credentials_available_realm(wpa_s, bss) ||
- interworking_credentials_available_3gpp(wpa_s, bss);
+ struct wpa_bss *bss;
+ u8 best_prio, prio;
+
+ /*
+ * Check if any other BSS is operated by a more preferred roaming
+ * partner.
+ */
+
+ best_prio = roaming_prio(wpa_s, cred, selected);
+
+ dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
+ if (bss == selected)
+ continue;
+ cred = interworking_credentials_available(wpa_s, bss);
+ if (!cred)
+ continue;
+ if (!wpa_bss_get_ie(bss, WLAN_EID_RSN))
+ continue;
+ prio = roaming_prio(wpa_s, cred, bss);
+ if (prio < best_prio) {
+ best_prio = prio;
+ selected = bss;
+ }
+ }
+
+
+ return selected;
}
static void interworking_select_network(struct wpa_supplicant *wpa_s)
{
- struct wpa_bss *bss, *selected = NULL;
+ struct wpa_bss *bss, *selected = NULL, *selected_home = NULL;
+ int selected_prio = -999999, selected_home_prio = -999999;
unsigned int count = 0;
+ const char *type;
+ int res;
+ struct wpa_cred *cred, *selected_cred = NULL;
+ struct wpa_cred *selected_home_cred = NULL;
wpa_s->network_select = 0;
dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
- if (!interworking_credentials_available(wpa_s, bss))
+ cred = interworking_credentials_available(wpa_s, bss);
+ if (!cred)
continue;
+ if (!wpa_bss_get_ie(bss, WLAN_EID_RSN)) {
+ /*
+ * We currently support only HS 2.0 networks and those
+ * are required to use WPA2-Enterprise.
+ */
+ wpa_printf(MSG_DEBUG, "Interworking: Credential match "
+ "with " MACSTR " but network does not use "
+ "RSN", MAC2STR(bss->bssid));
+ continue;
+ }
count++;
- wpa_msg(wpa_s, MSG_INFO, INTERWORKING_AP MACSTR,
- MAC2STR(bss->bssid));
- if (selected == NULL && wpa_s->auto_select)
- selected = bss;
+ res = interworking_home_sp(wpa_s, bss->anqp ?
+ bss->anqp->domain_name : NULL);
+ if (res > 0)
+ type = "home";
+ else if (res == 0)
+ type = "roaming";
+ else
+ type = "unknown";
+ wpa_msg(wpa_s, MSG_INFO, INTERWORKING_AP MACSTR " type=%s",
+ MAC2STR(bss->bssid), type);
+ if (wpa_s->auto_select ||
+ (wpa_s->conf->auto_interworking &&
+ wpa_s->auto_network_select)) {
+ if (selected == NULL ||
+ cred->priority > selected_prio) {
+ selected = bss;
+ selected_prio = cred->priority;
+ selected_cred = cred;
+ }
+ if (res > 0 &&
+ (selected_home == NULL ||
+ cred->priority > selected_home_prio)) {
+ selected_home = bss;
+ selected_home_prio = cred->priority;
+ selected_home_cred = cred;
+ }
+ }
+ }
+
+ if (selected_home && selected_home != selected &&
+ selected_home_prio >= selected_prio) {
+ /* Prefer network operated by the Home SP */
+ selected = selected_home;
+ selected_cred = selected_home_cred;
}
if (count == 0) {
+ /*
+ * No matching network was found based on configured
+ * credentials. Check whether any of the enabled network blocks
+ * have matching APs.
+ */
+ if (interworking_find_network_match(wpa_s)) {
+ wpa_printf(MSG_DEBUG, "Interworking: Possible BSS "
+ "match for enabled network configurations");
+ if (wpa_s->auto_select)
+ interworking_reconnect(wpa_s);
+ return;
+ }
+
+ if (wpa_s->auto_network_select) {
+ wpa_printf(MSG_DEBUG, "Interworking: Continue "
+ "scanning after ANQP fetch");
+ wpa_supplicant_req_scan(wpa_s, wpa_s->scan_interval,
+ 0);
+ return;
+ }
+
wpa_msg(wpa_s, MSG_INFO, INTERWORKING_NO_MATCH "No network "
"with matching credentials found");
}
- if (selected)
+ if (selected) {
+ selected = pick_best_roaming_partner(wpa_s, selected,
+ selected_cred);
interworking_connect(wpa_s, selected);
+ }
+}
+
+
+static struct wpa_bss_anqp *
+interworking_match_anqp_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss)
+{
+ struct wpa_bss *other;
+
+ if (is_zero_ether_addr(bss->hessid))
+ return NULL; /* Cannot be in the same homegenous ESS */
+
+ dl_list_for_each(other, &wpa_s->bss, struct wpa_bss, list) {
+ if (other == bss)
+ continue;
+ if (other->anqp == NULL)
+ continue;
+ if (other->anqp->roaming_consortium == NULL &&
+ other->anqp->nai_realm == NULL &&
+ other->anqp->anqp_3gpp == NULL &&
+ other->anqp->domain_name == NULL)
+ continue;
+ if (!(other->flags & WPA_BSS_ANQP_FETCH_TRIED))
+ continue;
+ if (os_memcmp(bss->hessid, other->hessid, ETH_ALEN) != 0)
+ continue;
+ if (bss->ssid_len != other->ssid_len ||
+ os_memcmp(bss->ssid, other->ssid, bss->ssid_len) != 0)
+ continue;
+
+ wpa_printf(MSG_DEBUG, "Interworking: Share ANQP data with "
+ "already fetched BSSID " MACSTR " and " MACSTR,
+ MAC2STR(other->bssid), MAC2STR(bss->bssid));
+ other->anqp->users++;
+ return other->anqp;
+ }
+
+ return NULL;
}
int found = 0;
const u8 *ie;
- if (!wpa_s->fetch_anqp_in_progress)
+ wpa_printf(MSG_DEBUG, "Interworking: next_anqp_fetch - "
+ "fetch_anqp_in_progress=%d fetch_osu_icon_in_progress=%d",
+ wpa_s->fetch_anqp_in_progress,
+ wpa_s->fetch_osu_icon_in_progress);
+
+ if (eloop_terminated() || !wpa_s->fetch_anqp_in_progress) {
+ wpa_printf(MSG_DEBUG, "Interworking: Stop next-ANQP-fetch");
+ return;
+ }
+
+ if (wpa_s->fetch_osu_icon_in_progress) {
+ wpa_printf(MSG_DEBUG, "Interworking: Next icon (in progress)");
+ hs20_next_osu_icon(wpa_s);
return;
+ }
dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
if (!(bss->caps & IEEE80211_CAP_ESS))
ie = wpa_bss_get_ie(bss, WLAN_EID_EXT_CAPAB);
if (ie == NULL || ie[1] < 4 || !(ie[5] & 0x80))
continue; /* AP does not support Interworking */
+ if (disallowed_bssid(wpa_s, bss->bssid) ||
+ disallowed_ssid(wpa_s, bss->ssid, bss->ssid_len))
+ continue; /* Disallowed BSS */
if (!(bss->flags & WPA_BSS_ANQP_FETCH_TRIED)) {
+ if (bss->anqp == NULL) {
+ bss->anqp = interworking_match_anqp_info(wpa_s,
+ bss);
+ if (bss->anqp) {
+ /* Shared data already fetched */
+ continue;
+ }
+ bss->anqp = wpa_bss_anqp_alloc();
+ if (bss->anqp == NULL)
+ break;
+ }
found++;
bss->flags |= WPA_BSS_ANQP_FETCH_TRIED;
wpa_msg(wpa_s, MSG_INFO, "Starting ANQP fetch for "
}
if (found == 0) {
+ if (wpa_s->fetch_osu_info) {
+ wpa_printf(MSG_DEBUG, "Interworking: Next icon");
+ hs20_osu_icon_fetch(wpa_s);
+ return;
+ }
wpa_msg(wpa_s, MSG_INFO, "ANQP fetch completed");
wpa_s->fetch_anqp_in_progress = 0;
if (wpa_s->network_select)
}
-static void interworking_start_fetch_anqp(struct wpa_supplicant *wpa_s)
+void interworking_start_fetch_anqp(struct wpa_supplicant *wpa_s)
{
struct wpa_bss *bss;
return 0;
wpa_s->network_select = 0;
+ wpa_s->fetch_all_anqp = 1;
+ wpa_s->fetch_osu_info = 0;
interworking_start_fetch_anqp(wpa_s);
freq = wpa_s->assoc_freq;
bss = wpa_bss_get_bssid(wpa_s, dst);
- if (bss)
+ if (bss) {
+ wpa_bss_anqp_unshare_alloc(bss);
freq = bss->freq;
+ }
if (freq <= 0)
return -1;
res = gas_query_req(wpa_s->gas, dst, freq, buf, anqp_resp_cb, wpa_s);
if (res < 0) {
wpa_printf(MSG_DEBUG, "ANQP: Failed to send Query Request");
+ wpabuf_free(buf);
ret = -1;
} else
wpa_printf(MSG_DEBUG, "ANQP: Query started with dialog token "
"%u", res);
- wpabuf_free(buf);
return ret;
}
static void interworking_parse_rx_anqp_resp(struct wpa_supplicant *wpa_s,
- const u8 *sa, u16 info_id,
+ struct wpa_bss *bss, const u8 *sa,
+ u16 info_id,
const u8 *data, size_t slen)
{
const u8 *pos = data;
- struct wpa_bss *bss = wpa_bss_get_bssid(wpa_s, sa);
+ struct wpa_bss_anqp *anqp = NULL;
+#ifdef CONFIG_HS20
+ u8 type;
+#endif /* CONFIG_HS20 */
+
+ if (bss)
+ anqp = bss->anqp;
switch (info_id) {
case ANQP_CAPABILITY_LIST:
wpa_msg(wpa_s, MSG_INFO, "RX-ANQP " MACSTR
" Venue Name", MAC2STR(sa));
wpa_hexdump_ascii(MSG_DEBUG, "ANQP: Venue Name", pos, slen);
- if (bss) {
- wpabuf_free(bss->anqp_venue_name);
- bss->anqp_venue_name = wpabuf_alloc_copy(pos, slen);
+ if (anqp) {
+ wpabuf_free(anqp->venue_name);
+ anqp->venue_name = wpabuf_alloc_copy(pos, slen);
}
break;
case ANQP_NETWORK_AUTH_TYPE:
MAC2STR(sa));
wpa_hexdump_ascii(MSG_DEBUG, "ANQP: Network Authentication "
"Type", pos, slen);
- if (bss) {
- wpabuf_free(bss->anqp_network_auth_type);
- bss->anqp_network_auth_type =
- wpabuf_alloc_copy(pos, slen);
+ if (anqp) {
+ wpabuf_free(anqp->network_auth_type);
+ anqp->network_auth_type = wpabuf_alloc_copy(pos, slen);
}
break;
case ANQP_ROAMING_CONSORTIUM:
" Roaming Consortium list", MAC2STR(sa));
wpa_hexdump_ascii(MSG_DEBUG, "ANQP: Roaming Consortium",
pos, slen);
- if (bss) {
- wpabuf_free(bss->anqp_roaming_consortium);
- bss->anqp_roaming_consortium =
- wpabuf_alloc_copy(pos, slen);
+ if (anqp) {
+ wpabuf_free(anqp->roaming_consortium);
+ anqp->roaming_consortium = wpabuf_alloc_copy(pos, slen);
}
break;
case ANQP_IP_ADDR_TYPE_AVAILABILITY:
MAC2STR(sa));
wpa_hexdump(MSG_MSGDUMP, "ANQP: IP Address Availability",
pos, slen);
- if (bss) {
- wpabuf_free(bss->anqp_ip_addr_type_availability);
- bss->anqp_ip_addr_type_availability =
+ if (anqp) {
+ wpabuf_free(anqp->ip_addr_type_availability);
+ anqp->ip_addr_type_availability =
wpabuf_alloc_copy(pos, slen);
}
break;
wpa_msg(wpa_s, MSG_INFO, "RX-ANQP " MACSTR
" NAI Realm list", MAC2STR(sa));
wpa_hexdump_ascii(MSG_DEBUG, "ANQP: NAI Realm", pos, slen);
- if (bss) {
- wpabuf_free(bss->anqp_nai_realm);
- bss->anqp_nai_realm = wpabuf_alloc_copy(pos, slen);
+ if (anqp) {
+ wpabuf_free(anqp->nai_realm);
+ anqp->nai_realm = wpabuf_alloc_copy(pos, slen);
}
break;
case ANQP_3GPP_CELLULAR_NETWORK:
" 3GPP Cellular Network information", MAC2STR(sa));
wpa_hexdump_ascii(MSG_DEBUG, "ANQP: 3GPP Cellular Network",
pos, slen);
- if (bss) {
- wpabuf_free(bss->anqp_3gpp);
- bss->anqp_3gpp = wpabuf_alloc_copy(pos, slen);
+ if (anqp) {
+ wpabuf_free(anqp->anqp_3gpp);
+ anqp->anqp_3gpp = wpabuf_alloc_copy(pos, slen);
}
break;
case ANQP_DOMAIN_NAME:
wpa_msg(wpa_s, MSG_INFO, "RX-ANQP " MACSTR
" Domain Name list", MAC2STR(sa));
wpa_hexdump_ascii(MSG_MSGDUMP, "ANQP: Domain Name", pos, slen);
- if (bss) {
- wpabuf_free(bss->anqp_domain_name);
- bss->anqp_domain_name = wpabuf_alloc_copy(pos, slen);
+ if (anqp) {
+ wpabuf_free(anqp->domain_name);
+ anqp->domain_name = wpabuf_alloc_copy(pos, slen);
}
break;
case ANQP_VENDOR_SPECIFIC:
return;
switch (WPA_GET_BE24(pos)) {
+#ifdef CONFIG_HS20
+ case OUI_WFA:
+ pos += 3;
+ slen -= 3;
+
+ if (slen < 1)
+ return;
+ type = *pos++;
+ slen--;
+
+ switch (type) {
+ case HS20_ANQP_OUI_TYPE:
+ hs20_parse_rx_hs20_anqp_resp(wpa_s, sa, pos,
+ slen);
+ break;
+ default:
+ wpa_printf(MSG_DEBUG, "HS20: Unsupported ANQP "
+ "vendor type %u", type);
+ break;
+ }
+ break;
+#endif /* CONFIG_HS20 */
default:
wpa_printf(MSG_DEBUG, "Interworking: Unsupported "
"vendor-specific ANQP OUI %06x",
const u8 *end;
u16 info_id;
u16 slen;
-
- if (result != GAS_QUERY_SUCCESS)
+ struct wpa_bss *bss = NULL, *tmp;
+
+ wpa_printf(MSG_DEBUG, "Interworking: anqp_resp_cb dst=" MACSTR
+ " dialog_token=%u result=%d status_code=%u",
+ MAC2STR(dst), dialog_token, result, status_code);
+ if (result != GAS_QUERY_SUCCESS) {
+ if (wpa_s->fetch_osu_icon_in_progress)
+ hs20_icon_fetch_failed(wpa_s);
return;
+ }
pos = wpabuf_head(adv_proto);
if (wpabuf_len(adv_proto) < 4 || pos[0] != WLAN_EID_ADV_PROTO ||
pos[1] < 2 || pos[3] != ACCESS_NETWORK_QUERY_PROTOCOL) {
wpa_printf(MSG_DEBUG, "ANQP: Unexpected Advertisement "
"Protocol in response");
+ if (wpa_s->fetch_osu_icon_in_progress)
+ hs20_icon_fetch_failed(wpa_s);
return;
}
+ /*
+ * If possible, select the BSS entry based on which BSS entry was used
+ * for the request. This can help in cases where multiple BSS entries
+ * may exist for the same AP.
+ */
+ dl_list_for_each_reverse(tmp, &wpa_s->bss, struct wpa_bss, list) {
+ if (tmp == wpa_s->interworking_gas_bss &&
+ os_memcmp(tmp->bssid, dst, ETH_ALEN) == 0) {
+ bss = tmp;
+ break;
+ }
+ }
+ if (bss == NULL)
+ bss = wpa_bss_get_bssid(wpa_s, dst);
+
pos = wpabuf_head(resp);
end = pos + wpabuf_len(resp);
"for Info ID %u", info_id);
break;
}
- interworking_parse_rx_anqp_resp(wpa_s, dst, info_id, pos,
+ interworking_parse_rx_anqp_resp(wpa_s, bss, dst, info_id, pos,
slen);
pos += slen;
}
+
+ hs20_notify_parse_done(wpa_s);
}
}
-int interworking_select(struct wpa_supplicant *wpa_s, int auto_select)
+int interworking_select(struct wpa_supplicant *wpa_s, int auto_select,
+ int *freqs)
{
interworking_stop_fetch_anqp(wpa_s);
wpa_s->network_select = 1;
+ wpa_s->auto_network_select = 0;
wpa_s->auto_select = !!auto_select;
+ wpa_s->fetch_all_anqp = 0;
+ wpa_s->fetch_osu_info = 0;
wpa_printf(MSG_DEBUG, "Interworking: Start scan for network "
"selection");
wpa_s->scan_res_handler = interworking_scan_res_handler;
- wpa_s->scan_req = 2;
+ wpa_s->normal_scans = 0;
+ wpa_s->scan_req = MANUAL_SCAN_REQ;
+ os_free(wpa_s->manual_scan_freqs);
+ wpa_s->manual_scan_freqs = freqs;
+ wpa_s->after_wps = 0;
+ wpa_s->known_wps_freq = 0;
wpa_supplicant_req_scan(wpa_s, 0, 0);
return 0;
}
+
+
+static void gas_resp_cb(void *ctx, const u8 *addr, u8 dialog_token,
+ enum gas_query_result result,
+ const struct wpabuf *adv_proto,
+ const struct wpabuf *resp, u16 status_code)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+ struct wpabuf *n;
+
+ wpa_msg(wpa_s, MSG_INFO, GAS_RESPONSE_INFO "addr=" MACSTR
+ " dialog_token=%d status_code=%d resp_len=%d",
+ MAC2STR(addr), dialog_token, status_code,
+ resp ? (int) wpabuf_len(resp) : -1);
+ if (!resp)
+ return;
+
+ n = wpabuf_dup(resp);
+ if (n == NULL)
+ return;
+ wpabuf_free(wpa_s->prev_gas_resp);
+ wpa_s->prev_gas_resp = wpa_s->last_gas_resp;
+ os_memcpy(wpa_s->prev_gas_addr, wpa_s->last_gas_addr, ETH_ALEN);
+ wpa_s->prev_gas_dialog_token = wpa_s->last_gas_dialog_token;
+ wpa_s->last_gas_resp = n;
+ os_memcpy(wpa_s->last_gas_addr, addr, ETH_ALEN);
+ wpa_s->last_gas_dialog_token = dialog_token;
+}
+
+
+int gas_send_request(struct wpa_supplicant *wpa_s, const u8 *dst,
+ const struct wpabuf *adv_proto,
+ const struct wpabuf *query)
+{
+ struct wpabuf *buf;
+ int ret = 0;
+ int freq;
+ struct wpa_bss *bss;
+ int res;
+ size_t len;
+ u8 query_resp_len_limit = 0, pame_bi = 0;
+
+ freq = wpa_s->assoc_freq;
+ bss = wpa_bss_get_bssid(wpa_s, dst);
+ if (bss)
+ freq = bss->freq;
+ if (freq <= 0)
+ return -1;
+
+ wpa_printf(MSG_DEBUG, "GAS request to " MACSTR " (freq %d MHz)",
+ MAC2STR(dst), freq);
+ wpa_hexdump_buf(MSG_DEBUG, "Advertisement Protocol ID", adv_proto);
+ wpa_hexdump_buf(MSG_DEBUG, "GAS Query", query);
+
+ len = 3 + wpabuf_len(adv_proto) + 2;
+ if (query)
+ len += wpabuf_len(query);
+ buf = gas_build_initial_req(0, len);
+ if (buf == NULL)
+ return -1;
+
+ /* Advertisement Protocol IE */
+ wpabuf_put_u8(buf, WLAN_EID_ADV_PROTO);
+ wpabuf_put_u8(buf, 1 + wpabuf_len(adv_proto)); /* Length */
+ wpabuf_put_u8(buf, (query_resp_len_limit & 0x7f) |
+ (pame_bi ? 0x80 : 0));
+ wpabuf_put_buf(buf, adv_proto);
+
+ /* GAS Query */
+ if (query) {
+ wpabuf_put_le16(buf, wpabuf_len(query));
+ wpabuf_put_buf(buf, query);
+ } else
+ wpabuf_put_le16(buf, 0);
+
+ res = gas_query_req(wpa_s->gas, dst, freq, buf, gas_resp_cb, wpa_s);
+ if (res < 0) {
+ wpa_printf(MSG_DEBUG, "GAS: Failed to send Query Request");
+ wpabuf_free(buf);
+ ret = -1;
+ } else
+ wpa_printf(MSG_DEBUG, "GAS: Query started with dialog token "
+ "%u", res);
+
+ return ret;
+}