wpa_supplicant: Initial Revision 0.8.X
Based on:
commit 0725cc7b7efc434910e89865c42eda7ce61bbf08
Author: Jouni Malinen <j@w1.fi>
Date: Thu Apr 21 20:41:01 2011 +0300
Enable CONFIG_DRIVER_NL80211=y in the default configuration
nl80211 should be preferred over WEXT with any recent Linux
kernel version.
Change-Id: I26aec5afbbd4f4a1f5fd900912545b6f5050de64
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/wpa_supplicant/ap.c b/wpa_supplicant/ap.c
new file mode 100644
index 0000000..95279d3
--- /dev/null
+++ b/wpa_supplicant/ap.c
@@ -0,0 +1,866 @@
+/*
+ * WPA Supplicant - Basic AP mode support routines
+ * Copyright (c) 2003-2009, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2009, Atheros Communications
+ *
+ * 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 "utils/includes.h"
+
+#include "utils/common.h"
+#include "utils/eloop.h"
+#include "utils/uuid.h"
+#include "common/ieee802_11_defs.h"
+#include "common/wpa_ctrl.h"
+#include "ap/hostapd.h"
+#include "ap/ap_config.h"
+#include "ap/ap_drv_ops.h"
+#ifdef NEED_AP_MLME
+#include "ap/ieee802_11.h"
+#endif /* NEED_AP_MLME */
+#include "ap/beacon.h"
+#include "ap/ieee802_1x.h"
+#include "ap/wps_hostapd.h"
+#include "ap/ctrl_iface_ap.h"
+#include "eap_common/eap_defs.h"
+#include "eap_server/eap_methods.h"
+#include "eap_common/eap_wsc_common.h"
+#include "wps/wps.h"
+#include "common/ieee802_11_defs.h"
+#include "config_ssid.h"
+#include "config.h"
+#include "wpa_supplicant_i.h"
+#include "driver_i.h"
+#include "p2p_supplicant.h"
+#include "ap.h"
+#include "ap/sta_info.h"
+#include "notify.h"
+
+
+#ifdef CONFIG_WPS
+static void wpas_wps_ap_pin_timeout(void *eloop_data, void *user_ctx);
+#endif /* CONFIG_WPS */
+
+
+static int wpa_supplicant_conf_ap(struct wpa_supplicant *wpa_s,
+ struct wpa_ssid *ssid,
+ struct hostapd_config *conf)
+{
+ struct hostapd_bss_config *bss = &conf->bss[0];
+ int pairwise;
+
+ conf->driver = wpa_s->driver;
+
+ os_strlcpy(bss->iface, wpa_s->ifname, sizeof(bss->iface));
+
+ if (ssid->frequency == 0) {
+ /* default channel 11 */
+ conf->hw_mode = HOSTAPD_MODE_IEEE80211G;
+ conf->channel = 11;
+ } else if (ssid->frequency >= 2412 && ssid->frequency <= 2472) {
+ conf->hw_mode = HOSTAPD_MODE_IEEE80211G;
+ conf->channel = (ssid->frequency - 2407) / 5;
+ } else if ((ssid->frequency >= 5180 && ssid->frequency <= 5240) ||
+ (ssid->frequency >= 5745 && ssid->frequency <= 5825)) {
+ conf->hw_mode = HOSTAPD_MODE_IEEE80211A;
+ conf->channel = (ssid->frequency - 5000) / 5;
+ } else {
+ wpa_printf(MSG_ERROR, "Unsupported AP mode frequency: %d MHz",
+ ssid->frequency);
+ return -1;
+ }
+
+ /* TODO: enable HT if driver supports it;
+ * drop to 11b if driver does not support 11g */
+
+#ifdef CONFIG_P2P
+ if (conf->hw_mode == HOSTAPD_MODE_IEEE80211G) {
+ /* Remove 802.11b rates from supported and basic rate sets */
+ int *list = os_malloc(4 * sizeof(int));
+ if (list) {
+ list[0] = 60;
+ list[1] = 120;
+ list[2] = 240;
+ list[3] = -1;
+ }
+ conf->basic_rates = list;
+
+ list = os_malloc(9 * sizeof(int));
+ if (list) {
+ list[0] = 60;
+ list[1] = 90;
+ list[2] = 120;
+ list[3] = 180;
+ list[4] = 240;
+ list[5] = 360;
+ list[6] = 480;
+ list[7] = 540;
+ list[8] = -1;
+ }
+ conf->supported_rates = list;
+ }
+#endif /* CONFIG_P2P */
+
+ if (ssid->ssid_len == 0) {
+ wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
+ return -1;
+ }
+ os_memcpy(bss->ssid.ssid, ssid->ssid, ssid->ssid_len);
+ bss->ssid.ssid[ssid->ssid_len] = '\0';
+ bss->ssid.ssid_len = ssid->ssid_len;
+ bss->ssid.ssid_set = 1;
+
+ if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt))
+ bss->wpa = ssid->proto;
+ bss->wpa_key_mgmt = ssid->key_mgmt;
+ bss->wpa_pairwise = ssid->pairwise_cipher;
+ if (ssid->passphrase) {
+ bss->ssid.wpa_passphrase = os_strdup(ssid->passphrase);
+ } else if (ssid->psk_set) {
+ os_free(bss->ssid.wpa_psk);
+ bss->ssid.wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk));
+ if (bss->ssid.wpa_psk == NULL)
+ return -1;
+ os_memcpy(bss->ssid.wpa_psk->psk, ssid->psk, PMK_LEN);
+ bss->ssid.wpa_psk->group = 1;
+ }
+
+ /* Select group cipher based on the enabled pairwise cipher suites */
+ pairwise = 0;
+ if (bss->wpa & 1)
+ pairwise |= bss->wpa_pairwise;
+ if (bss->wpa & 2) {
+ if (bss->rsn_pairwise == 0)
+ bss->rsn_pairwise = bss->wpa_pairwise;
+ pairwise |= bss->rsn_pairwise;
+ }
+ if (pairwise & WPA_CIPHER_TKIP)
+ bss->wpa_group = WPA_CIPHER_TKIP;
+ else
+ bss->wpa_group = WPA_CIPHER_CCMP;
+
+ if (bss->wpa && bss->ieee802_1x)
+ bss->ssid.security_policy = SECURITY_WPA;
+ else if (bss->wpa)
+ bss->ssid.security_policy = SECURITY_WPA_PSK;
+ else if (bss->ieee802_1x) {
+ bss->ssid.security_policy = SECURITY_IEEE_802_1X;
+ bss->ssid.wep.default_len = bss->default_wep_key_len;
+ } else if (bss->ssid.wep.keys_set)
+ bss->ssid.security_policy = SECURITY_STATIC_WEP;
+ else
+ bss->ssid.security_policy = SECURITY_PLAINTEXT;
+
+#ifdef CONFIG_WPS
+ /*
+ * Enable WPS by default, but require user interaction to actually use
+ * it. Only the internal Registrar is supported.
+ */
+ bss->eap_server = 1;
+ bss->wps_state = 2;
+ bss->ap_setup_locked = 2;
+ if (wpa_s->conf->config_methods)
+ bss->config_methods = os_strdup(wpa_s->conf->config_methods);
+ os_memcpy(bss->device_type, wpa_s->conf->device_type,
+ WPS_DEV_TYPE_LEN);
+ if (wpa_s->conf->device_name) {
+ bss->device_name = os_strdup(wpa_s->conf->device_name);
+ bss->friendly_name = os_strdup(wpa_s->conf->device_name);
+ }
+ if (wpa_s->conf->manufacturer)
+ bss->manufacturer = os_strdup(wpa_s->conf->manufacturer);
+ if (wpa_s->conf->model_name)
+ bss->model_name = os_strdup(wpa_s->conf->model_name);
+ if (wpa_s->conf->model_number)
+ bss->model_number = os_strdup(wpa_s->conf->model_number);
+ if (wpa_s->conf->serial_number)
+ bss->serial_number = os_strdup(wpa_s->conf->serial_number);
+ if (is_nil_uuid(wpa_s->conf->uuid))
+ os_memcpy(bss->uuid, wpa_s->wps->uuid, WPS_UUID_LEN);
+ else
+ os_memcpy(bss->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
+ os_memcpy(bss->os_version, wpa_s->conf->os_version, 4);
+#endif /* CONFIG_WPS */
+
+ if (wpa_s->max_stations &&
+ wpa_s->max_stations < wpa_s->conf->max_num_sta)
+ bss->max_num_sta = wpa_s->max_stations;
+ else
+ bss->max_num_sta = wpa_s->conf->max_num_sta;
+
+ bss->disassoc_low_ack = wpa_s->conf->disassoc_low_ack;
+
+ return 0;
+}
+
+
+static void ap_public_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
+{
+#ifdef CONFIG_P2P
+ struct wpa_supplicant *wpa_s = ctx;
+ const struct ieee80211_mgmt *mgmt;
+ size_t hdr_len;
+
+ mgmt = (const struct ieee80211_mgmt *) buf;
+ hdr_len = (const u8 *) &mgmt->u.action.u.vs_public_action.action - buf;
+ if (hdr_len > len)
+ return;
+ wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
+ mgmt->u.action.category,
+ &mgmt->u.action.u.vs_public_action.action,
+ len - hdr_len, freq);
+#endif /* CONFIG_P2P */
+}
+
+
+static void ap_wps_event_cb(void *ctx, enum wps_event event,
+ union wps_event_data *data)
+{
+#ifdef CONFIG_P2P
+ struct wpa_supplicant *wpa_s = ctx;
+
+ if (event == WPS_EV_FAIL && wpa_s->parent && wpa_s->parent != wpa_s &&
+ wpa_s == wpa_s->global->p2p_group_formation) {
+ struct wps_event_fail *fail = &data->fail;
+
+ /*
+ * src/ap/wps_hostapd.c has already sent this on the main
+ * interface, so only send on the parent interface here if
+ * needed.
+ */
+ wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL
+ "msg=%d config_error=%d",
+ fail->msg, fail->config_error);
+ }
+#endif /* CONFIG_P2P */
+}
+
+
+static void ap_sta_authorized_cb(void *ctx, const u8 *mac_addr,
+ int authorized)
+{
+ wpas_notify_sta_authorized(ctx, mac_addr, authorized);
+}
+
+
+static int ap_vendor_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
+{
+#ifdef CONFIG_P2P
+ struct wpa_supplicant *wpa_s = ctx;
+ const struct ieee80211_mgmt *mgmt;
+ size_t hdr_len;
+
+ mgmt = (const struct ieee80211_mgmt *) buf;
+ hdr_len = (const u8 *) &mgmt->u.action.u.vs_public_action.action - buf;
+ if (hdr_len > len)
+ return -1;
+ wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
+ mgmt->u.action.category,
+ &mgmt->u.action.u.vs_public_action.action,
+ len - hdr_len, freq);
+#endif /* CONFIG_P2P */
+ return 0;
+}
+
+
+static int ap_probe_req_rx(void *ctx, const u8 *addr, const u8 *ie,
+ size_t ie_len)
+{
+#ifdef CONFIG_P2P
+ struct wpa_supplicant *wpa_s = ctx;
+ return wpas_p2p_probe_req_rx(wpa_s, addr, ie, ie_len);
+#else /* CONFIG_P2P */
+ return 0;
+#endif /* CONFIG_P2P */
+}
+
+
+static void ap_wps_reg_success_cb(void *ctx, const u8 *mac_addr,
+ const u8 *uuid_e)
+{
+#ifdef CONFIG_P2P
+ struct wpa_supplicant *wpa_s = ctx;
+ wpas_p2p_wps_success(wpa_s, mac_addr, 1);
+#endif /* CONFIG_P2P */
+}
+
+
+static void wpas_ap_configured_cb(void *ctx)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+
+ wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
+
+ if (wpa_s->ap_configured_cb)
+ wpa_s->ap_configured_cb(wpa_s->ap_configured_cb_ctx,
+ wpa_s->ap_configured_cb_data);
+}
+
+
+int wpa_supplicant_create_ap(struct wpa_supplicant *wpa_s,
+ struct wpa_ssid *ssid)
+{
+ struct wpa_driver_associate_params params;
+ struct hostapd_iface *hapd_iface;
+ struct hostapd_config *conf;
+ size_t i;
+
+ if (ssid->ssid == NULL || ssid->ssid_len == 0) {
+ wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
+ return -1;
+ }
+
+ wpa_supplicant_ap_deinit(wpa_s);
+
+ wpa_printf(MSG_DEBUG, "Setting up AP (SSID='%s')",
+ wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
+
+ os_memset(¶ms, 0, sizeof(params));
+ params.ssid = ssid->ssid;
+ params.ssid_len = ssid->ssid_len;
+ switch (ssid->mode) {
+ case WPAS_MODE_INFRA:
+ params.mode = IEEE80211_MODE_INFRA;
+ break;
+ case WPAS_MODE_IBSS:
+ params.mode = IEEE80211_MODE_IBSS;
+ break;
+ case WPAS_MODE_AP:
+ case WPAS_MODE_P2P_GO:
+ case WPAS_MODE_P2P_GROUP_FORMATION:
+ params.mode = IEEE80211_MODE_AP;
+ break;
+ }
+ params.freq = ssid->frequency;
+
+ if (ssid->key_mgmt & WPA_KEY_MGMT_PSK)
+ wpa_s->key_mgmt = WPA_KEY_MGMT_PSK;
+ else
+ wpa_s->key_mgmt = WPA_KEY_MGMT_NONE;
+ params.key_mgmt_suite = key_mgmt2driver(wpa_s->key_mgmt);
+
+ if (ssid->pairwise_cipher & WPA_CIPHER_CCMP)
+ wpa_s->pairwise_cipher = WPA_CIPHER_CCMP;
+ else if (ssid->pairwise_cipher & WPA_CIPHER_TKIP)
+ wpa_s->pairwise_cipher = WPA_CIPHER_TKIP;
+ else if (ssid->pairwise_cipher & WPA_CIPHER_NONE)
+ wpa_s->pairwise_cipher = WPA_CIPHER_NONE;
+ else {
+ wpa_printf(MSG_WARNING, "WPA: Failed to select pairwise "
+ "cipher.");
+ return -1;
+ }
+ params.pairwise_suite = cipher_suite2driver(wpa_s->pairwise_cipher);
+ params.group_suite = params.pairwise_suite;
+
+#ifdef CONFIG_P2P
+ if (ssid->mode == WPAS_MODE_P2P_GO ||
+ ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
+ params.p2p = 1;
+ wpa_drv_set_intra_bss(wpa_s, wpa_s->conf->p2p_intra_bss);
+#endif /* CONFIG_P2P */
+
+ if (wpa_s->parent->set_ap_uapsd)
+ params.uapsd = wpa_s->parent->ap_uapsd;
+ else
+ params.uapsd = -1;
+
+ if (wpa_drv_associate(wpa_s, ¶ms) < 0) {
+ wpa_msg(wpa_s, MSG_INFO, "Failed to start AP functionality");
+ return -1;
+ }
+
+ wpa_s->ap_iface = hapd_iface = os_zalloc(sizeof(*wpa_s->ap_iface));
+ if (hapd_iface == NULL)
+ return -1;
+ hapd_iface->owner = wpa_s;
+
+ wpa_s->ap_iface->conf = conf = hostapd_config_defaults();
+ if (conf == NULL) {
+ wpa_supplicant_ap_deinit(wpa_s);
+ return -1;
+ }
+
+ if (wpa_supplicant_conf_ap(wpa_s, ssid, conf)) {
+ wpa_printf(MSG_ERROR, "Failed to create AP configuration");
+ wpa_supplicant_ap_deinit(wpa_s);
+ return -1;
+ }
+
+#ifdef CONFIG_P2P
+ if (ssid->mode == WPAS_MODE_P2P_GO)
+ conf->bss[0].p2p = P2P_ENABLED | P2P_GROUP_OWNER;
+ else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
+ conf->bss[0].p2p = P2P_ENABLED | P2P_GROUP_OWNER |
+ P2P_GROUP_FORMATION;
+#endif /* CONFIG_P2P */
+
+ hapd_iface->num_bss = conf->num_bss;
+ hapd_iface->bss = os_zalloc(conf->num_bss *
+ sizeof(struct hostapd_data *));
+ if (hapd_iface->bss == NULL) {
+ wpa_supplicant_ap_deinit(wpa_s);
+ return -1;
+ }
+
+ for (i = 0; i < conf->num_bss; i++) {
+ hapd_iface->bss[i] =
+ hostapd_alloc_bss_data(hapd_iface, conf,
+ &conf->bss[i]);
+ if (hapd_iface->bss[i] == NULL) {
+ wpa_supplicant_ap_deinit(wpa_s);
+ return -1;
+ }
+
+ hapd_iface->bss[i]->msg_ctx = wpa_s;
+ hapd_iface->bss[i]->public_action_cb = ap_public_action_rx;
+ hapd_iface->bss[i]->public_action_cb_ctx = wpa_s;
+ hapd_iface->bss[i]->vendor_action_cb = ap_vendor_action_rx;
+ hapd_iface->bss[i]->vendor_action_cb_ctx = wpa_s;
+ hostapd_register_probereq_cb(hapd_iface->bss[i],
+ ap_probe_req_rx, wpa_s);
+ hapd_iface->bss[i]->wps_reg_success_cb = ap_wps_reg_success_cb;
+ hapd_iface->bss[i]->wps_reg_success_cb_ctx = wpa_s;
+ hapd_iface->bss[i]->wps_event_cb = ap_wps_event_cb;
+ hapd_iface->bss[i]->wps_event_cb_ctx = wpa_s;
+ hapd_iface->bss[i]->sta_authorized_cb = ap_sta_authorized_cb;
+ hapd_iface->bss[i]->sta_authorized_cb_ctx = wpa_s;
+#ifdef CONFIG_P2P
+ hapd_iface->bss[i]->p2p = wpa_s->global->p2p;
+ hapd_iface->bss[i]->p2p_group = wpas_p2p_group_init(
+ wpa_s, ssid->p2p_persistent_group,
+ ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION);
+#endif /* CONFIG_P2P */
+ hapd_iface->bss[i]->setup_complete_cb = wpas_ap_configured_cb;
+ hapd_iface->bss[i]->setup_complete_cb_ctx = wpa_s;
+ }
+
+ os_memcpy(hapd_iface->bss[0]->own_addr, wpa_s->own_addr, ETH_ALEN);
+ hapd_iface->bss[0]->driver = wpa_s->driver;
+ hapd_iface->bss[0]->drv_priv = wpa_s->drv_priv;
+
+ wpa_s->current_ssid = ssid;
+ os_memcpy(wpa_s->bssid, wpa_s->own_addr, ETH_ALEN);
+ wpa_s->assoc_freq = ssid->frequency;
+
+ if (hostapd_setup_interface(wpa_s->ap_iface)) {
+ wpa_printf(MSG_ERROR, "Failed to initialize AP interface");
+ wpa_supplicant_ap_deinit(wpa_s);
+ return -1;
+ }
+
+ return 0;
+}
+
+
+void wpa_supplicant_ap_deinit(struct wpa_supplicant *wpa_s)
+{
+#ifdef CONFIG_WPS
+ eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
+#endif /* CONFIG_WPS */
+
+ if (wpa_s->ap_iface == NULL)
+ return;
+
+ wpa_s->current_ssid = NULL;
+ wpa_s->assoc_freq = 0;
+#ifdef CONFIG_P2P
+ if (wpa_s->ap_iface->bss)
+ wpa_s->ap_iface->bss[0]->p2p_group = NULL;
+ wpas_p2p_group_deinit(wpa_s);
+#endif /* CONFIG_P2P */
+ hostapd_interface_deinit(wpa_s->ap_iface);
+ hostapd_interface_free(wpa_s->ap_iface);
+ wpa_s->ap_iface = NULL;
+ wpa_drv_deinit_ap(wpa_s);
+}
+
+
+void ap_tx_status(void *ctx, const u8 *addr,
+ const u8 *buf, size_t len, int ack)
+{
+#ifdef NEED_AP_MLME
+ struct wpa_supplicant *wpa_s = ctx;
+ hostapd_tx_status(wpa_s->ap_iface->bss[0], addr, buf, len, ack);
+#endif /* NEED_AP_MLME */
+}
+
+
+void ap_rx_from_unknown_sta(void *ctx, const u8 *frame, size_t len)
+{
+#ifdef NEED_AP_MLME
+ struct wpa_supplicant *wpa_s = ctx;
+ const struct ieee80211_hdr *hdr =
+ (const struct ieee80211_hdr *) frame;
+ u16 fc = le_to_host16(hdr->frame_control);
+ ieee802_11_rx_from_unknown(wpa_s->ap_iface->bss[0], hdr->addr2,
+ (fc & (WLAN_FC_TODS | WLAN_FC_FROMDS)) ==
+ (WLAN_FC_TODS | WLAN_FC_FROMDS));
+#endif /* NEED_AP_MLME */
+}
+
+
+void ap_mgmt_rx(void *ctx, struct rx_mgmt *rx_mgmt)
+{
+#ifdef NEED_AP_MLME
+ struct wpa_supplicant *wpa_s = ctx;
+ struct hostapd_frame_info fi;
+ os_memset(&fi, 0, sizeof(fi));
+ fi.datarate = rx_mgmt->datarate;
+ fi.ssi_signal = rx_mgmt->ssi_signal;
+ ieee802_11_mgmt(wpa_s->ap_iface->bss[0], rx_mgmt->frame,
+ rx_mgmt->frame_len, &fi);
+#endif /* NEED_AP_MLME */
+}
+
+
+void ap_mgmt_tx_cb(void *ctx, const u8 *buf, size_t len, u16 stype, int ok)
+{
+#ifdef NEED_AP_MLME
+ struct wpa_supplicant *wpa_s = ctx;
+ ieee802_11_mgmt_cb(wpa_s->ap_iface->bss[0], buf, len, stype, ok);
+#endif /* NEED_AP_MLME */
+}
+
+
+void wpa_supplicant_ap_rx_eapol(struct wpa_supplicant *wpa_s,
+ const u8 *src_addr, const u8 *buf, size_t len)
+{
+ ieee802_1x_receive(wpa_s->ap_iface->bss[0], src_addr, buf, len);
+}
+
+
+#ifdef CONFIG_WPS
+
+int wpa_supplicant_ap_wps_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid,
+ const u8 *p2p_dev_addr)
+{
+ if (!wpa_s->ap_iface)
+ return -1;
+ return hostapd_wps_button_pushed(wpa_s->ap_iface->bss[0],
+ p2p_dev_addr);
+}
+
+
+static int wpa_supplicant_ap_wps_sta_cancel(struct hostapd_data *hapd,
+ struct sta_info *sta, void *ctx)
+{
+ if (sta && (sta->flags & WLAN_STA_WPS)) {
+ ap_sta_deauthenticate(hapd, sta,
+ WLAN_REASON_PREV_AUTH_NOT_VALID);
+ wpa_printf(MSG_DEBUG, "WPS: %s: Deauth sta=" MACSTR,
+ __func__, MAC2STR(sta->addr));
+ return 1;
+ }
+
+ return 0;
+}
+
+
+int wpa_supplicant_ap_wps_cancel(struct wpa_supplicant *wpa_s)
+{
+ struct wps_registrar *reg;
+ int reg_sel = 0, wps_sta = 0;
+
+ if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0]->wps)
+ return -1;
+
+ reg = wpa_s->ap_iface->bss[0]->wps->registrar;
+ reg_sel = wps_registrar_wps_cancel(reg);
+ wps_sta = ap_for_each_sta(wpa_s->ap_iface->bss[0],
+ wpa_supplicant_ap_wps_sta_cancel, NULL);
+
+ if (!reg_sel && !wps_sta) {
+ wpa_printf(MSG_DEBUG, "No WPS operation in progress at this "
+ "time");
+ return -1;
+ }
+
+ /*
+ * There are 2 cases to return wps cancel as success:
+ * 1. When wps cancel was initiated but no connection has been
+ * established with client yet.
+ * 2. Client is in the middle of exchanging WPS messages.
+ */
+
+ return 0;
+}
+
+
+int wpa_supplicant_ap_wps_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
+ const char *pin, char *buf, size_t buflen)
+{
+ int ret, ret_len = 0;
+
+ if (!wpa_s->ap_iface)
+ return -1;
+
+ if (pin == NULL) {
+ unsigned int rpin = wps_generate_pin();
+ ret_len = os_snprintf(buf, buflen, "%d", rpin);
+ pin = buf;
+ } else
+ ret_len = os_snprintf(buf, buflen, "%s", pin);
+
+ ret = hostapd_wps_add_pin(wpa_s->ap_iface->bss[0], bssid, "any", pin,
+ 0);
+ if (ret)
+ return -1;
+ return ret_len;
+}
+
+
+static void wpas_wps_ap_pin_timeout(void *eloop_data, void *user_ctx)
+{
+ struct wpa_supplicant *wpa_s = eloop_data;
+ wpa_printf(MSG_DEBUG, "WPS: AP PIN timed out");
+ wpas_wps_ap_pin_disable(wpa_s);
+}
+
+
+static void wpas_wps_ap_pin_enable(struct wpa_supplicant *wpa_s, int timeout)
+{
+ struct hostapd_data *hapd;
+
+ if (wpa_s->ap_iface == NULL)
+ return;
+ hapd = wpa_s->ap_iface->bss[0];
+ wpa_printf(MSG_DEBUG, "WPS: Enabling AP PIN (timeout=%d)", timeout);
+ hapd->ap_pin_failures = 0;
+ eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
+ if (timeout > 0)
+ eloop_register_timeout(timeout, 0,
+ wpas_wps_ap_pin_timeout, wpa_s, NULL);
+}
+
+
+void wpas_wps_ap_pin_disable(struct wpa_supplicant *wpa_s)
+{
+ struct hostapd_data *hapd;
+
+ if (wpa_s->ap_iface == NULL)
+ return;
+ wpa_printf(MSG_DEBUG, "WPS: Disabling AP PIN");
+ hapd = wpa_s->ap_iface->bss[0];
+ os_free(hapd->conf->ap_pin);
+ hapd->conf->ap_pin = NULL;
+ eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
+}
+
+
+const char * wpas_wps_ap_pin_random(struct wpa_supplicant *wpa_s, int timeout)
+{
+ struct hostapd_data *hapd;
+ unsigned int pin;
+ char pin_txt[9];
+
+ if (wpa_s->ap_iface == NULL)
+ return NULL;
+ hapd = wpa_s->ap_iface->bss[0];
+ pin = wps_generate_pin();
+ os_snprintf(pin_txt, sizeof(pin_txt), "%u", pin);
+ os_free(hapd->conf->ap_pin);
+ hapd->conf->ap_pin = os_strdup(pin_txt);
+ if (hapd->conf->ap_pin == NULL)
+ return NULL;
+ wpas_wps_ap_pin_enable(wpa_s, timeout);
+
+ return hapd->conf->ap_pin;
+}
+
+
+const char * wpas_wps_ap_pin_get(struct wpa_supplicant *wpa_s)
+{
+ struct hostapd_data *hapd;
+ if (wpa_s->ap_iface == NULL)
+ return NULL;
+ hapd = wpa_s->ap_iface->bss[0];
+ return hapd->conf->ap_pin;
+}
+
+
+int wpas_wps_ap_pin_set(struct wpa_supplicant *wpa_s, const char *pin,
+ int timeout)
+{
+ struct hostapd_data *hapd;
+ char pin_txt[9];
+ int ret;
+
+ if (wpa_s->ap_iface == NULL)
+ return -1;
+ hapd = wpa_s->ap_iface->bss[0];
+ ret = os_snprintf(pin_txt, sizeof(pin_txt), "%s", pin);
+ if (ret < 0 || ret >= (int) sizeof(pin_txt))
+ return -1;
+ os_free(hapd->conf->ap_pin);
+ hapd->conf->ap_pin = os_strdup(pin_txt);
+ if (hapd->conf->ap_pin == NULL)
+ return -1;
+ wpas_wps_ap_pin_enable(wpa_s, timeout);
+
+ return 0;
+}
+
+
+void wpa_supplicant_ap_pwd_auth_fail(struct wpa_supplicant *wpa_s)
+{
+ struct hostapd_data *hapd;
+
+ if (wpa_s->ap_iface == NULL)
+ return;
+ hapd = wpa_s->ap_iface->bss[0];
+
+ /*
+ * Registrar failed to prove its knowledge of the AP PIN. Disable AP
+ * PIN if this happens multiple times to slow down brute force attacks.
+ */
+ hapd->ap_pin_failures++;
+ wpa_printf(MSG_DEBUG, "WPS: AP PIN authentication failure number %u",
+ hapd->ap_pin_failures);
+ if (hapd->ap_pin_failures < 3)
+ return;
+
+ wpa_printf(MSG_DEBUG, "WPS: Disable AP PIN");
+ hapd->ap_pin_failures = 0;
+ os_free(hapd->conf->ap_pin);
+ hapd->conf->ap_pin = NULL;
+}
+
+#endif /* CONFIG_WPS */
+
+
+#ifdef CONFIG_CTRL_IFACE
+
+int ap_ctrl_iface_sta_first(struct wpa_supplicant *wpa_s,
+ char *buf, size_t buflen)
+{
+ if (wpa_s->ap_iface == NULL)
+ return -1;
+ return hostapd_ctrl_iface_sta_first(wpa_s->ap_iface->bss[0],
+ buf, buflen);
+}
+
+
+int ap_ctrl_iface_sta(struct wpa_supplicant *wpa_s, const char *txtaddr,
+ char *buf, size_t buflen)
+{
+ if (wpa_s->ap_iface == NULL)
+ return -1;
+ return hostapd_ctrl_iface_sta(wpa_s->ap_iface->bss[0], txtaddr,
+ buf, buflen);
+}
+
+
+int ap_ctrl_iface_sta_next(struct wpa_supplicant *wpa_s, const char *txtaddr,
+ char *buf, size_t buflen)
+{
+ if (wpa_s->ap_iface == NULL)
+ return -1;
+ return hostapd_ctrl_iface_sta_next(wpa_s->ap_iface->bss[0], txtaddr,
+ buf, buflen);
+}
+
+
+int ap_ctrl_iface_wpa_get_status(struct wpa_supplicant *wpa_s, char *buf,
+ size_t buflen, int verbose)
+{
+ char *pos = buf, *end = buf + buflen;
+ int ret;
+ struct hostapd_bss_config *conf;
+
+ if (wpa_s->ap_iface == NULL)
+ return -1;
+
+ conf = wpa_s->ap_iface->bss[0]->conf;
+ if (conf->wpa == 0)
+ return 0;
+
+ ret = os_snprintf(pos, end - pos,
+ "pairwise_cipher=%s\n"
+ "group_cipher=%s\n"
+ "key_mgmt=%s\n",
+ wpa_cipher_txt(conf->rsn_pairwise),
+ wpa_cipher_txt(conf->wpa_group),
+ wpa_key_mgmt_txt(conf->wpa_key_mgmt,
+ conf->wpa));
+ if (ret < 0 || ret >= end - pos)
+ return pos - buf;
+ pos += ret;
+ return pos - buf;
+}
+
+#endif /* CONFIG_CTRL_IFACE */
+
+
+int wpa_supplicant_ap_update_beacon(struct wpa_supplicant *wpa_s)
+{
+ struct hostapd_iface *iface = wpa_s->ap_iface;
+ struct wpa_ssid *ssid = wpa_s->current_ssid;
+ struct hostapd_data *hapd;
+
+ if (ssid == NULL || wpa_s->ap_iface == NULL)
+ return -1;
+
+#ifdef CONFIG_P2P
+ if (ssid->mode == WPAS_MODE_P2P_GO)
+ iface->conf->bss[0].p2p = P2P_ENABLED | P2P_GROUP_OWNER;
+ else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
+ iface->conf->bss[0].p2p = P2P_ENABLED | P2P_GROUP_OWNER |
+ P2P_GROUP_FORMATION;
+#endif /* CONFIG_P2P */
+
+ ieee802_11_set_beacons(iface);
+ hapd = iface->bss[0];
+ hostapd_set_ap_wps_ie(hapd);
+
+ return 0;
+}
+
+
+int wpa_supplicant_ap_mac_addr_filter(struct wpa_supplicant *wpa_s,
+ const u8 *addr)
+{
+ struct hostapd_data *hapd;
+ struct hostapd_bss_config *conf;
+
+ if (!wpa_s->ap_iface)
+ return -1;
+
+ if (addr)
+ wpa_printf(MSG_DEBUG, "AP: Set MAC address filter: " MACSTR,
+ MAC2STR(addr));
+ else
+ wpa_printf(MSG_DEBUG, "AP: Clear MAC address filter");
+
+ hapd = wpa_s->ap_iface->bss[0];
+ conf = hapd->conf;
+
+ os_free(conf->accept_mac);
+ conf->accept_mac = NULL;
+ conf->num_accept_mac = 0;
+ os_free(conf->deny_mac);
+ conf->deny_mac = NULL;
+ conf->num_deny_mac = 0;
+
+ if (addr == NULL) {
+ conf->macaddr_acl = ACCEPT_UNLESS_DENIED;
+ return 0;
+ }
+
+ conf->macaddr_acl = DENY_UNLESS_ACCEPTED;
+ conf->accept_mac = os_zalloc(sizeof(struct mac_acl_entry));
+ if (conf->accept_mac == NULL)
+ return -1;
+ os_memcpy(conf->accept_mac[0].addr, addr, ETH_ALEN);
+ conf->num_accept_mac = 1;
+
+ return 0;
+}