Update to new version 0.8.16 from BRCM
Sync with main tree commit b8349523e460493fa0b4de36c689595109e45e91
Author: Neeraj Kumar Garg <neerajkg@broadcom.com>
Date: Tue Dec 27 23:21:45 2011 +0200
P2P: Reject p2p_group_add if forced frequency is not acceptable
Change-Id: Icb4541a371b05c270e80440d7a7fdea7f33ff61e
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/wpa_supplicant/interworking.c b/wpa_supplicant/interworking.c
new file mode 100644
index 0000000..d42aa40
--- /dev/null
+++ b/wpa_supplicant/interworking.c
@@ -0,0 +1,1138 @@
+/*
+ * Interworking (IEEE 802.11u)
+ * Copyright (c) 2011, Qualcomm Atheros
+ *
+ * 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.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "common/ieee802_11_defs.h"
+#include "common/gas.h"
+#include "common/wpa_ctrl.h"
+#include "drivers/driver.h"
+#include "eap_common/eap_defs.h"
+#include "eap_peer/eap_methods.h"
+#include "wpa_supplicant_i.h"
+#include "config.h"
+#include "bss.h"
+#include "scan.h"
+#include "notify.h"
+#include "gas_query.h"
+#include "interworking.h"
+
+
+#if defined(EAP_SIM) | defined(EAP_SIM_DYNAMIC)
+#define INTERWORKING_3GPP
+#else
+#if defined(EAP_AKA) | defined(EAP_AKA_DYNAMIC)
+#define INTERWORKING_3GPP
+#else
+#if defined(EAP_AKA_PRIME) | defined(EAP_AKA_PRIME_DYNAMIC)
+#define INTERWORKING_3GPP
+#endif
+#endif
+#endif
+
+static void interworking_next_anqp_fetch(struct wpa_supplicant *wpa_s);
+
+
+static struct wpabuf * anqp_build_req(u16 info_ids[], size_t num_ids,
+ struct wpabuf *extra)
+{
+ struct wpabuf *buf;
+ size_t i;
+ u8 *len_pos;
+
+ buf = gas_anqp_build_initial_req(0, 4 + num_ids * 2 +
+ (extra ? wpabuf_len(extra) : 0));
+ if (buf == NULL)
+ return NULL;
+
+ len_pos = gas_anqp_add_element(buf, ANQP_QUERY_LIST);
+ for (i = 0; i < num_ids; i++)
+ wpabuf_put_le16(buf, info_ids[i]);
+ gas_anqp_set_element_len(buf, len_pos);
+ if (extra)
+ wpabuf_put_buf(buf, extra);
+
+ gas_anqp_set_len(buf);
+
+ return buf;
+}
+
+
+static void interworking_anqp_resp_cb(void *ctx, const u8 *dst,
+ 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;
+
+ anqp_resp_cb(wpa_s, dst, dialog_token, result, adv_proto, resp,
+ status_code);
+ 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
+ };
+ struct wpabuf *extra = NULL;
+
+ wpa_printf(MSG_DEBUG, "Interworking: ANQP Query Request to " MACSTR,
+ MAC2STR(bss->bssid));
+
+ buf = anqp_build_req(info_ids, sizeof(info_ids) / sizeof(info_ids[0]),
+ extra);
+ wpabuf_free(extra);
+ if (buf == NULL)
+ return -1;
+
+ res = gas_query_req(wpa_s->gas, bss->bssid, bss->freq, buf,
+ interworking_anqp_resp_cb, wpa_s);
+ if (res < 0) {
+ wpa_printf(MSG_DEBUG, "ANQP: Failed to send Query Request");
+ ret = -1;
+ } else
+ wpa_printf(MSG_DEBUG, "ANQP: Query started with dialog token "
+ "%u", res);
+
+ wpabuf_free(buf);
+ return ret;
+}
+
+
+struct nai_realm_eap {
+ u8 method;
+ u8 inner_method;
+ enum nai_realm_eap_auth_inner_non_eap inner_non_eap;
+ u8 cred_type;
+ u8 tunneled_cred_type;
+};
+
+struct nai_realm {
+ u8 encoding;
+ char *realm;
+ u8 eap_count;
+ struct nai_realm_eap *eap;
+};
+
+
+static void nai_realm_free(struct nai_realm *realms, u16 count)
+{
+ u16 i;
+
+ if (realms == NULL)
+ return;
+ for (i = 0; i < count; i++) {
+ os_free(realms[i].eap);
+ os_free(realms[i].realm);
+ }
+ os_free(realms);
+}
+
+
+static const u8 * nai_realm_parse_eap(struct nai_realm_eap *e, const u8 *pos,
+ const u8 *end)
+{
+ u8 elen, auth_count, a;
+ const u8 *e_end;
+
+ if (pos + 3 > end) {
+ wpa_printf(MSG_DEBUG, "No room for EAP Method fixed fields");
+ return NULL;
+ }
+
+ elen = *pos++;
+ if (pos + elen > end || elen < 2) {
+ wpa_printf(MSG_DEBUG, "No room for EAP Method subfield");
+ return NULL;
+ }
+ e_end = pos + elen;
+ e->method = *pos++;
+ auth_count = *pos++;
+ wpa_printf(MSG_DEBUG, "EAP Method: len=%u method=%u auth_count=%u",
+ elen, e->method, auth_count);
+
+ for (a = 0; a < auth_count; a++) {
+ u8 id, len;
+
+ if (pos + 2 > end || pos + 2 + pos[1] > end) {
+ wpa_printf(MSG_DEBUG, "No room for Authentication "
+ "Parameter subfield");
+ return NULL;
+ }
+
+ id = *pos++;
+ len = *pos++;
+
+ switch (id) {
+ case NAI_REALM_EAP_AUTH_NON_EAP_INNER_AUTH:
+ if (len < 1)
+ break;
+ e->inner_non_eap = *pos;
+ if (e->method != EAP_TYPE_TTLS)
+ break;
+ switch (*pos) {
+ case NAI_REALM_INNER_NON_EAP_PAP:
+ wpa_printf(MSG_DEBUG, "EAP-TTLS/PAP");
+ break;
+ case NAI_REALM_INNER_NON_EAP_CHAP:
+ wpa_printf(MSG_DEBUG, "EAP-TTLS/CHAP");
+ break;
+ case NAI_REALM_INNER_NON_EAP_MSCHAP:
+ wpa_printf(MSG_DEBUG, "EAP-TTLS/MSCHAP");
+ break;
+ case NAI_REALM_INNER_NON_EAP_MSCHAPV2:
+ wpa_printf(MSG_DEBUG, "EAP-TTLS/MSCHAPV2");
+ break;
+ }
+ break;
+ case NAI_REALM_EAP_AUTH_INNER_AUTH_EAP_METHOD:
+ if (len < 1)
+ break;
+ e->inner_method = *pos;
+ wpa_printf(MSG_DEBUG, "Inner EAP method: %u",
+ e->inner_method);
+ break;
+ case NAI_REALM_EAP_AUTH_CRED_TYPE:
+ if (len < 1)
+ break;
+ e->cred_type = *pos;
+ wpa_printf(MSG_DEBUG, "Credential Type: %u",
+ e->cred_type);
+ break;
+ case NAI_REALM_EAP_AUTH_TUNNELED_CRED_TYPE:
+ if (len < 1)
+ break;
+ e->tunneled_cred_type = *pos;
+ wpa_printf(MSG_DEBUG, "Tunneled EAP Method Credential "
+ "Type: %u", e->tunneled_cred_type);
+ break;
+ default:
+ wpa_printf(MSG_DEBUG, "Unsupported Authentication "
+ "Parameter: id=%u len=%u", id, len);
+ wpa_hexdump(MSG_DEBUG, "Authentication Parameter "
+ "Value", pos, len);
+ break;
+ }
+
+ pos += len;
+ }
+
+ return e_end;
+}
+
+
+static const u8 * nai_realm_parse_realm(struct nai_realm *r, const u8 *pos,
+ const u8 *end)
+{
+ u16 len;
+ const u8 *f_end;
+ u8 realm_len, e;
+
+ if (end - pos < 4) {
+ wpa_printf(MSG_DEBUG, "No room for NAI Realm Data "
+ "fixed fields");
+ return NULL;
+ }
+
+ len = WPA_GET_LE16(pos); /* NAI Realm Data field Length */
+ pos += 2;
+ if (pos + len > end || len < 3) {
+ wpa_printf(MSG_DEBUG, "No room for NAI Realm Data "
+ "(len=%u; left=%u)",
+ len, (unsigned int) (end - pos));
+ return NULL;
+ }
+ f_end = pos + len;
+
+ r->encoding = *pos++;
+ realm_len = *pos++;
+ if (pos + realm_len > f_end) {
+ wpa_printf(MSG_DEBUG, "No room for NAI Realm "
+ "(len=%u; left=%u)",
+ realm_len, (unsigned int) (f_end - pos));
+ return NULL;
+ }
+ wpa_hexdump_ascii(MSG_DEBUG, "NAI Realm", pos, realm_len);
+ r->realm = os_malloc(realm_len + 1);
+ 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 Method Count");
+ return NULL;
+ }
+ r->eap_count = *pos++;
+ wpa_printf(MSG_DEBUG, "EAP Count: %u", r->eap_count);
+ if (pos + r->eap_count * 3 > 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));
+ if (r->eap == NULL)
+ return NULL;
+
+ for (e = 0; e < r->eap_count; e++) {
+ pos = nai_realm_parse_eap(&r->eap[e], pos, f_end);
+ if (pos == NULL)
+ return NULL;
+ }
+
+ return f_end;
+}
+
+
+static struct nai_realm * nai_realm_parse(struct wpabuf *anqp, u16 *count)
+{
+ struct nai_realm *realm;
+ const u8 *pos, *end;
+ u16 i, num;
+
+ if (anqp == NULL || wpabuf_len(anqp) < 2)
+ return NULL;
+
+ pos = wpabuf_head_u8(anqp);
+ end = pos + wpabuf_len(anqp);
+ num = WPA_GET_LE16(pos);
+ wpa_printf(MSG_DEBUG, "NAI Realm Count: %u", num);
+ pos += 2;
+
+ if (num * 5 > end - pos) {
+ wpa_printf(MSG_DEBUG, "Invalid NAI Realm Count %u - not "
+ "enough data (%u octets) for that many realms",
+ num, (unsigned int) (end - pos));
+ return NULL;
+ }
+
+ realm = os_zalloc(num * sizeof(struct nai_realm));
+ if (realm == NULL)
+ return NULL;
+
+ for (i = 0; i < num; i++) {
+ pos = nai_realm_parse_realm(&realm[i], pos, end);
+ if (pos == NULL) {
+ nai_realm_free(realm, num);
+ return NULL;
+ }
+ }
+
+ *count = num;
+ return realm;
+}
+
+
+static int nai_realm_match(struct nai_realm *realm, const char *home_realm)
+{
+ char *tmp, *pos, *end;
+ int match = 0;
+
+ if (realm->realm == NULL || home_realm == NULL)
+ return 0;
+
+ if (os_strchr(realm->realm, ';') == NULL)
+ return os_strcasecmp(realm->realm, home_realm) == 0;
+
+ tmp = os_strdup(realm->realm);
+ if (tmp == NULL)
+ return 0;
+
+ pos = tmp;
+ while (*pos) {
+ end = os_strchr(pos, ';');
+ if (end)
+ *end = '\0';
+ if (os_strcasecmp(pos, home_realm) == 0) {
+ match = 1;
+ break;
+ }
+ if (end == NULL)
+ break;
+ pos = end + 1;
+ }
+
+ os_free(tmp);
+
+ return match;
+}
+
+
+static int nai_realm_cred_username(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_TTLS && eap->method != EAP_TYPE_PEAP) {
+ /* 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_TTLS) {
+ if (eap->inner_method == 0 && eap->inner_non_eap == 0)
+ return 0;
+ if (eap->inner_method &&
+ eap_get_name(EAP_VENDOR_IETF, eap->inner_method) == NULL)
+ return 0;
+ if (eap->inner_non_eap &&
+ eap->inner_non_eap != NAI_REALM_INNER_NON_EAP_PAP &&
+ eap->inner_non_eap != NAI_REALM_INNER_NON_EAP_CHAP &&
+ eap->inner_non_eap != NAI_REALM_INNER_NON_EAP_MSCHAP &&
+ eap->inner_non_eap != NAI_REALM_INNER_NON_EAP_MSCHAPV2)
+ return 0;
+ }
+
+ if (eap->inner_method &&
+ eap->inner_method != EAP_TYPE_GTC &&
+ eap->inner_method != EAP_TYPE_MSCHAPV2)
+ return 0;
+
+ return 1;
+}
+
+
+static struct nai_realm_eap * nai_realm_find_eap(struct wpa_supplicant *wpa_s,
+ 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')
+ return NULL;
+
+ for (e = 0; e < realm->eap_count; e++) {
+ struct nai_realm_eap *eap = &realm->eap[e];
+ if (nai_realm_cred_username(eap))
+ return eap;
+ }
+
+ return NULL;
+}
+
+
+#ifdef INTERWORKING_3GPP
+
+static int plmn_id_match(struct wpabuf *anqp, const char *imsi)
+{
+ const char *sep;
+ u8 plmn[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 */
+ 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[2] = (imsi[3] - '0') | ((imsi[4] - '0') << 4);
+
+ if (anqp == NULL)
+ return 0;
+ pos = wpabuf_head_u8(anqp);
+ end = pos + wpabuf_len(anqp);
+ if (pos + 2 > end)
+ return 0;
+ if (*pos != 0) {
+ wpa_printf(MSG_DEBUG, "Unsupported GUD version 0x%x", *pos);
+ return 0;
+ }
+ pos++;
+ udhl = *pos++;
+ if (pos + udhl > end) {
+ wpa_printf(MSG_DEBUG, "Invalid UDHL");
+ return 0;
+ }
+ end = pos + udhl;
+
+ while (pos + 2 <= end) {
+ u8 iei, len;
+ const u8 *l_end;
+ iei = *pos++;
+ len = *pos++ & 0x7f;
+ if (pos + len > end)
+ break;
+ l_end = pos + len;
+
+ if (iei == 0 && len > 0) {
+ /* PLMN List */
+ u8 num, i;
+ num = *pos++;
+ for (i = 0; i < num; i++) {
+ if (pos + 3 > end)
+ break;
+ if (os_memcmp(pos, plmn, 3) == 0)
+ return 1; /* Found matching PLMN */
+ }
+ }
+
+ pos = l_end;
+ }
+
+ return 0;
+}
+
+
+static int set_root_nai(struct wpa_ssid *ssid, const char *imsi, char prefix)
+{
+ const char *sep, *msin;
+ char nai[100], *end, *pos;
+ size_t msin_len, plmn_len;
+
+ /*
+ * TS 23.003, Clause 14 (3GPP to WLAN Interworking)
+ * Root NAI:
+ * <aka:0|sim:1><IMSI>@wlan.mnc<MNC>.mcc<MCC>.3gppnetwork.org
+ * <MNC> is zero-padded to three digits in case two-digit MNC is used
+ */
+
+ if (imsi == NULL || os_strlen(imsi) > 16) {
+ wpa_printf(MSG_DEBUG, "No valid IMSI available");
+ return -1;
+ }
+ sep = os_strchr(imsi, '-');
+ if (sep == NULL)
+ 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;
+ os_memcpy(pos, imsi, plmn_len);
+ pos += plmn_len;
+ os_memcpy(pos, msin, msin_len);
+ pos += msin_len;
+ pos += os_snprintf(pos, end - pos, "@wlan.mnc");
+ if (plmn_len == 5) {
+ *pos++ = '0';
+ *pos++ = imsi[3];
+ *pos++ = imsi[4];
+ } else {
+ *pos++ = imsi[3];
+ *pos++ = imsi[4];
+ *pos++ = imsi[5];
+ }
+ pos += os_snprintf(pos, end - pos, ".mcc%c%c%c.3gppnetwork.org",
+ imsi[0], imsi[1], imsi[2]);
+
+ 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)
+{
+#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));
+
+ ssid = wpa_config_add_network(wpa_s->conf);
+ if (ssid == NULL)
+ return -1;
+
+ 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];
+
+ /* 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;
+ }
+
+ 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;
+ }
+
+ 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;
+
+ wpa_supplicant_select_network(wpa_s, ssid);
+
+ return 0;
+
+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)
+{
+ 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)
+ 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));
+ 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;
+ }
+
+ 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;
+ }
+
+ 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));
+
+ ssid = wpa_config_add_network(wpa_s->conf);
+ if (ssid == NULL) {
+ nai_realm_free(realm, count);
+ return -1;
+ }
+ 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 (wpa_config_set(ssid, "eap", eap_get_name(EAP_VENDOR_IETF,
+ eap->method), 0) < 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)
+ 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)
+ 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)
+ 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)
+ goto fail;
+
+ nai_realm_free(realm, count);
+
+ wpa_supplicant_select_network(wpa_s, ssid);
+
+ 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 int interworking_credentials_available_3gpp(
+ struct wpa_supplicant *wpa_s, struct wpa_bss *bss)
+{
+ int ret = 0;
+
+#ifdef INTERWORKING_3GPP
+ if (bss->anqp_3gpp == NULL)
+ return ret;
+
+ 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;
+
+ 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;
+}
+
+
+static int interworking_credentials_available_realm(
+ struct wpa_supplicant *wpa_s, struct wpa_bss *bss)
+{
+ struct nai_realm *realm;
+ u16 count, i;
+ int found = 0;
+
+ if (bss->anqp_nai_realm == NULL)
+ return 0;
+
+ if (wpa_s->conf->home_realm == NULL)
+ return 0;
+
+ wpa_printf(MSG_DEBUG, "Interworking: Parsing NAI Realm list from "
+ MACSTR, MAC2STR(bss->bssid));
+ 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;
+ }
+
+ for (i = 0; i < count; i++) {
+ if (!nai_realm_match(&realm[i], wpa_s->conf->home_realm))
+ continue;
+ if (nai_realm_find_eap(wpa_s, &realm[i])) {
+ found++;
+ break;
+ }
+ }
+
+ nai_realm_free(realm, count);
+
+ return found;
+}
+
+
+static int interworking_credentials_available(struct wpa_supplicant *wpa_s,
+ struct wpa_bss *bss)
+{
+ return interworking_credentials_available_realm(wpa_s, bss) ||
+ interworking_credentials_available_3gpp(wpa_s, bss);
+}
+
+
+static void interworking_select_network(struct wpa_supplicant *wpa_s)
+{
+ struct wpa_bss *bss, *selected = NULL;
+ unsigned int count = 0;
+
+ wpa_s->network_select = 0;
+
+ dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
+ if (!interworking_credentials_available(wpa_s, bss))
+ continue;
+ count++;
+ wpa_msg(wpa_s, MSG_INFO, INTERWORKING_AP MACSTR,
+ MAC2STR(bss->bssid));
+ if (selected == NULL && wpa_s->auto_select)
+ selected = bss;
+ }
+
+ if (count == 0) {
+ wpa_msg(wpa_s, MSG_INFO, INTERWORKING_NO_MATCH "No network "
+ "with matching credentials found");
+ }
+
+ if (selected)
+ interworking_connect(wpa_s, selected);
+}
+
+
+static void interworking_next_anqp_fetch(struct wpa_supplicant *wpa_s)
+{
+ struct wpa_bss *bss;
+ int found = 0;
+ const u8 *ie;
+
+ if (!wpa_s->fetch_anqp_in_progress)
+ return;
+
+ dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
+ if (!(bss->caps & IEEE80211_CAP_ESS))
+ continue;
+ 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 (!(bss->flags & WPA_BSS_ANQP_FETCH_TRIED)) {
+ found++;
+ bss->flags |= WPA_BSS_ANQP_FETCH_TRIED;
+ wpa_msg(wpa_s, MSG_INFO, "Starting ANQP fetch for "
+ MACSTR, MAC2STR(bss->bssid));
+ interworking_anqp_send_req(wpa_s, bss);
+ break;
+ }
+ }
+
+ if (found == 0) {
+ wpa_msg(wpa_s, MSG_INFO, "ANQP fetch completed");
+ wpa_s->fetch_anqp_in_progress = 0;
+ if (wpa_s->network_select)
+ interworking_select_network(wpa_s);
+ }
+}
+
+
+static void interworking_start_fetch_anqp(struct wpa_supplicant *wpa_s)
+{
+ struct wpa_bss *bss;
+
+ dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list)
+ bss->flags &= ~WPA_BSS_ANQP_FETCH_TRIED;
+
+ wpa_s->fetch_anqp_in_progress = 1;
+ interworking_next_anqp_fetch(wpa_s);
+}
+
+
+int interworking_fetch_anqp(struct wpa_supplicant *wpa_s)
+{
+ if (wpa_s->fetch_anqp_in_progress || wpa_s->network_select)
+ return 0;
+
+ wpa_s->network_select = 0;
+
+ interworking_start_fetch_anqp(wpa_s);
+
+ return 0;
+}
+
+
+void interworking_stop_fetch_anqp(struct wpa_supplicant *wpa_s)
+{
+ if (!wpa_s->fetch_anqp_in_progress)
+ return;
+
+ wpa_s->fetch_anqp_in_progress = 0;
+}
+
+
+int anqp_send_req(struct wpa_supplicant *wpa_s, const u8 *dst,
+ u16 info_ids[], size_t num_ids)
+{
+ struct wpabuf *buf;
+ int ret = 0;
+ int freq;
+ struct wpa_bss *bss;
+ int res;
+
+ 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, "ANQP: Query Request to " MACSTR " for %u id(s)",
+ MAC2STR(dst), (unsigned int) num_ids);
+
+ buf = anqp_build_req(info_ids, num_ids, NULL);
+ if (buf == NULL)
+ 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");
+ 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,
+ const u8 *data, size_t slen)
+{
+ const u8 *pos = data;
+ struct wpa_bss *bss = wpa_bss_get_bssid(wpa_s, sa);
+
+ switch (info_id) {
+ case ANQP_CAPABILITY_LIST:
+ wpa_msg(wpa_s, MSG_INFO, "RX-ANQP " MACSTR
+ " ANQP Capability list", MAC2STR(sa));
+ break;
+ case ANQP_VENUE_NAME:
+ 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);
+ }
+ break;
+ case ANQP_NETWORK_AUTH_TYPE:
+ wpa_msg(wpa_s, MSG_INFO, "RX-ANQP " MACSTR
+ " Network Authentication Type information",
+ 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);
+ }
+ break;
+ case ANQP_ROAMING_CONSORTIUM:
+ wpa_msg(wpa_s, MSG_INFO, "RX-ANQP " MACSTR
+ " 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);
+ }
+ break;
+ case ANQP_IP_ADDR_TYPE_AVAILABILITY:
+ wpa_msg(wpa_s, MSG_INFO, "RX-ANQP " MACSTR
+ " IP Address Type Availability information",
+ 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 =
+ wpabuf_alloc_copy(pos, slen);
+ }
+ break;
+ case ANQP_NAI_REALM:
+ 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);
+ }
+ break;
+ case ANQP_3GPP_CELLULAR_NETWORK:
+ wpa_msg(wpa_s, MSG_INFO, "RX-ANQP " MACSTR
+ " 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);
+ }
+ 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);
+ }
+ break;
+ case ANQP_VENDOR_SPECIFIC:
+ if (slen < 3)
+ return;
+
+ switch (WPA_GET_BE24(pos)) {
+ default:
+ wpa_printf(MSG_DEBUG, "Interworking: Unsupported "
+ "vendor-specific ANQP OUI %06x",
+ WPA_GET_BE24(pos));
+ return;
+ }
+ break;
+ default:
+ wpa_printf(MSG_DEBUG, "Interworking: Unsupported ANQP Info ID "
+ "%u", info_id);
+ break;
+ }
+}
+
+
+void anqp_resp_cb(void *ctx, const u8 *dst, 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;
+ const u8 *pos;
+ const u8 *end;
+ u16 info_id;
+ u16 slen;
+
+ if (result != GAS_QUERY_SUCCESS)
+ 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");
+ return;
+ }
+
+ pos = wpabuf_head(resp);
+ end = pos + wpabuf_len(resp);
+
+ while (pos < end) {
+ if (pos + 4 > end) {
+ wpa_printf(MSG_DEBUG, "ANQP: Invalid element");
+ break;
+ }
+ info_id = WPA_GET_LE16(pos);
+ pos += 2;
+ slen = WPA_GET_LE16(pos);
+ pos += 2;
+ if (pos + slen > end) {
+ wpa_printf(MSG_DEBUG, "ANQP: Invalid element length "
+ "for Info ID %u", info_id);
+ break;
+ }
+ interworking_parse_rx_anqp_resp(wpa_s, dst, info_id, pos,
+ slen);
+ pos += slen;
+ }
+}
+
+
+static void interworking_scan_res_handler(struct wpa_supplicant *wpa_s,
+ struct wpa_scan_results *scan_res)
+{
+ wpa_printf(MSG_DEBUG, "Interworking: Scan results available - start "
+ "ANQP fetch");
+ interworking_start_fetch_anqp(wpa_s);
+}
+
+
+int interworking_select(struct wpa_supplicant *wpa_s, int auto_select)
+{
+ interworking_stop_fetch_anqp(wpa_s);
+ wpa_s->network_select = 1;
+ wpa_s->auto_select = !!auto_select;
+ 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_supplicant_req_scan(wpa_s, 0, 0);
+
+ return 0;
+}