| /* |
| * 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; |
| } |