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]; conf->driver = wpa_s->driver; os_strlcpy(bss->iface, wpa_s->ifname, sizeof(bss->iface)); conf->hw_mode = ieee80211_freq_to_chan(ssid->frequency, &conf->channel); if (conf->hw_mode == NUM_HOSTAPD_MODES) { wpa_printf(MSG_ERROR, "Unsupported AP mode frequency: %d MHz", ssid->frequency); return -1; } wpa_supplicant_conf_ap_ht(wpa_s, ssid, conf); if (ieee80211_is_dfs(ssid->frequency) && wpa_s->conf->country[0]) { conf->ieee80211h = 1; conf->ieee80211d = 1; conf->country[0] = wpa_s->conf->country[0]; conf->country[1] = wpa_s->conf->country[1]; } #ifdef CONFIG_P2P if (conf->hw_mode == HOSTAPD_MODE_IEEE80211G && (ssid->mode == WPAS_MODE_P2P_GO || ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)) { /* 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; } bss->isolate = !wpa_s->conf->p2p_intra_bss; bss->force_per_enrollee_psk = wpa_s->global->p2p_per_sta_psk; if (ssid->p2p_group) { os_memcpy(bss->ip_addr_go, wpa_s->parent->conf->ip_addr_go, 4); os_memcpy(bss->ip_addr_mask, wpa_s->parent->conf->ip_addr_mask, 4); os_memcpy(bss->ip_addr_start, wpa_s->parent->conf->ip_addr_start, 4); os_memcpy(bss->ip_addr_end, wpa_s->parent->conf->ip_addr_end, 4); } #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_len = ssid->ssid_len; bss->ssid.ssid_set = 1; bss->ignore_broadcast_ssid = ssid->ignore_broadcast_ssid; if (ssid->auth_alg) bss->auth_algs = ssid->auth_alg; 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->psk_set) { bin_clear_free(bss->ssid.wpa_psk, sizeof(*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; } else if (ssid->passphrase) { bss->ssid.wpa_passphrase = os_strdup(ssid->passphrase); } else if (ssid->wep_key_len[0] || ssid->wep_key_len[1] || ssid->wep_key_len[2] || ssid->wep_key_len[3]) { struct hostapd_wep_keys *wep = &bss->ssid.wep; int i; for (i = 0; i < NUM_WEP_KEYS; i++) { if (ssid->wep_key_len[i] == 0) continue; wep->key[i] = os_malloc(ssid->wep_key_len[i]); if (wep->key[i] == NULL) return -1; os_memcpy(wep->key[i], ssid->wep_key[i], ssid->wep_key_len[i]); wep->len[i] = ssid->wep_key_len[i]; } wep->idx = ssid->wep_tx_keyidx; wep->keys_set = 1; } if (ssid->ap_max_inactivity) bss->ap_max_inactivity = ssid->ap_max_inactivity; if (ssid->dtim_period) bss->dtim_period = ssid->dtim_period; else if (wpa_s->conf->dtim_period) bss->dtim_period = wpa_s->conf->dtim_period; if (ssid->beacon_int) conf->beacon_int = ssid->beacon_int; else if (wpa_s->conf->beacon_int) conf->beacon_int = wpa_s->conf->beacon_int; #ifdef CONFIG_P2P if (wpa_s->conf->p2p_go_ctwindow > conf->beacon_int) { wpa_printf(MSG_INFO, "CTWindow (%d) is bigger than beacon interval (%d) - avoid configuring it", wpa_s->conf->p2p_go_ctwindow, conf->beacon_int); conf->p2p_go_ctwindow = 0; } else { conf->p2p_go_ctwindow = wpa_s->conf->p2p_go_ctwindow; } #endif /* CONFIG_P2P */ if ((bss->wpa & 2) && bss->rsn_pairwise == 0) bss->rsn_pairwise = bss->wpa_pairwise; bss->wpa_group = wpa_select_ap_group_cipher(bss->wpa, bss->wpa_pairwise, bss->rsn_pairwise); 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) { int cipher = WPA_CIPHER_NONE; bss->ssid.security_policy = SECURITY_IEEE_802_1X; bss->ssid.wep.default_len = bss->default_wep_key_len; if (bss->default_wep_key_len) cipher = bss->default_wep_key_len >= 13 ? WPA_CIPHER_WEP104 : WPA_CIPHER_WEP40; bss->wpa_group = cipher; bss->wpa_pairwise = cipher; bss->rsn_pairwise = cipher; } else if (bss->ssid.wep.keys_set) { int cipher = WPA_CIPHER_WEP40; if (bss->ssid.wep.len[0] >= 13) cipher = WPA_CIPHER_WEP104; bss->ssid.security_policy = SECURITY_STATIC_WEP; bss->wpa_group = cipher; bss->wpa_pairwise = cipher; bss->rsn_pairwise = cipher; } else { bss->ssid.security_policy = SECURITY_PLAINTEXT; bss->wpa_group = WPA_CIPHER_NONE; bss->wpa_pairwise = WPA_CIPHER_NONE; bss->rsn_pairwise = WPA_CIPHER_NONE; } if (bss->wpa_group_rekey < 86400 && (bss->wpa & 2) && (bss->wpa_group == WPA_CIPHER_CCMP || bss->wpa_group == WPA_CIPHER_GCMP || bss->wpa_group == WPA_CIPHER_CCMP_256 || bss->wpa_group == WPA_CIPHER_GCMP_256)) { /* * Strong ciphers do not need frequent rekeying, so increase * the default GTK rekeying period to 24 hours. */ bss->wpa_group_rekey = 86400; } #ifdef CONFIG_IEEE80211W if (ssid->ieee80211w != MGMT_FRAME_PROTECTION_DEFAULT) bss->ieee80211w = ssid->ieee80211w; #endif /* CONFIG_IEEE80211W */ #ifdef CONFIG_WPS /* * Enable WPS by default for open and WPA/WPA2-Personal network, but * require user interaction to actually use it. Only the internal * Registrar is supported. */ if (bss->ssid.security_policy != SECURITY_WPA_PSK && bss->ssid.security_policy != SECURITY_PLAINTEXT) goto no_wps; if (bss->ssid.security_policy == SECURITY_WPA_PSK && (!(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP)) || !(bss->wpa & 2))) goto no_wps; /* WPS2 does not allow WPA/TKIP-only * configuration */ bss->eap_server = 1; if (!ssid->ignore_broadcast_ssid) 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); bss->pbc_in_m1 = wpa_s->conf->pbc_in_m1; no_wps: #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; if (wpa_s->conf->ap_vendor_elements) { bss->vendor_elements = wpabuf_dup(wpa_s->conf->ap_vendor_elements); } return 0; }
void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht, int offset, int width, int cf1, int cf2) { #ifdef NEED_AP_MLME int channel, chwidth, is_dfs; u8 seg0_idx = 0, seg1_idx = 0; hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211, HOSTAPD_LEVEL_INFO, "driver had channel switch: freq=%d, ht=%d, offset=%d, width=%d (%s), cf1=%d, cf2=%d", freq, ht, offset, width, channel_width_to_string(width), cf1, cf2); hapd->iface->freq = freq; channel = hostapd_hw_get_channel(hapd, freq); if (!channel) { hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211, HOSTAPD_LEVEL_WARNING, "driver switched to bad channel!"); return; } switch (width) { case CHAN_WIDTH_80: chwidth = VHT_CHANWIDTH_80MHZ; break; case CHAN_WIDTH_80P80: chwidth = VHT_CHANWIDTH_80P80MHZ; break; case CHAN_WIDTH_160: chwidth = VHT_CHANWIDTH_160MHZ; break; case CHAN_WIDTH_20_NOHT: case CHAN_WIDTH_20: case CHAN_WIDTH_40: default: chwidth = VHT_CHANWIDTH_USE_HT; break; } switch (hapd->iface->current_mode->mode) { case HOSTAPD_MODE_IEEE80211A: if (cf1 > 5000) seg0_idx = (cf1 - 5000) / 5; if (cf2 > 5000) seg1_idx = (cf2 - 5000) / 5; break; default: ieee80211_freq_to_chan(cf1, &seg0_idx); ieee80211_freq_to_chan(cf2, &seg1_idx); break; } hapd->iconf->channel = channel; hapd->iconf->ieee80211n = ht; if (!ht) hapd->iconf->ieee80211ac = 0; hapd->iconf->secondary_channel = offset; hapd->iconf->vht_oper_chwidth = chwidth; hapd->iconf->vht_oper_centr_freq_seg0_idx = seg0_idx; hapd->iconf->vht_oper_centr_freq_seg1_idx = seg1_idx; is_dfs = ieee80211_is_dfs(freq); if (hapd->csa_in_progress && freq == hapd->cs_freq_params.freq) { hostapd_cleanup_cs_params(hapd); ieee802_11_set_beacon(hapd); wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED "freq=%d dfs=%d", freq, is_dfs); } else if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) { wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED "freq=%d dfs=%d", freq, is_dfs); } #endif /* NEED_AP_MLME */ }
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_AP: case WPAS_MODE_P2P_GO: case WPAS_MODE_P2P_GROUP_FORMATION: params.mode = IEEE80211_MODE_AP; break; default: return -1; } if (ssid->frequency == 0) ssid->frequency = 2462; /* default channel 11 */ params.freq.freq = ssid->frequency; params.wpa_proto = ssid->proto; 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 = wpa_s->key_mgmt; wpa_s->pairwise_cipher = wpa_pick_pairwise_cipher(ssid->pairwise_cipher, 1); if (wpa_s->pairwise_cipher < 0) { wpa_printf(MSG_WARNING, "WPA: Failed to select pairwise " "cipher."); return -1; } params.pairwise_suite = 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; #endif /* CONFIG_P2P */ if (wpa_s->parent->set_ap_uapsd) params.uapsd = wpa_s->parent->ap_uapsd; else if (params.p2p && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_UAPSD)) params.uapsd = 1; /* mandatory for P2P GO */ else params.uapsd = -1; if (ieee80211_is_dfs(params.freq.freq)) params.freq.freq = 0; /* set channel after CAC */ 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; hapd_iface->drv_flags = wpa_s->drv_flags; hapd_iface->smps_modes = wpa_s->drv_smps_modes; hapd_iface->probe_resp_offloads = wpa_s->probe_resp_offloads; hapd_iface->extended_capa = wpa_s->extended_capa; hapd_iface->extended_capa_mask = wpa_s->extended_capa_mask; hapd_iface->extended_capa_len = wpa_s->extended_capa_len; wpa_s->ap_iface->conf = conf = hostapd_config_defaults(); if (conf == NULL) { wpa_supplicant_ap_deinit(wpa_s); return -1; } os_memcpy(wpa_s->ap_iface->conf->wmm_ac_params, wpa_s->conf->wmm_ac_params, sizeof(wpa_s->conf->wmm_ac_params)); if (params.uapsd > 0) { conf->bss[0]->wmm_enabled = 1; conf->bss[0]->wmm_uapsd = 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_calloc(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]->msg_ctx_parent = wpa_s->parent; 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]->new_psk_cb = ap_new_psk_cb; hapd_iface->bss[i]->new_psk_cb_ctx = wpa_s; hapd_iface->bss[i]->p2p = wpa_s->global->p2p; hapd_iface->bss[i]->p2p_group = wpas_p2p_group_init(wpa_s, ssid); #endif /* CONFIG_P2P */ hapd_iface->bss[i]->setup_complete_cb = wpas_ap_configured_cb; hapd_iface->bss[i]->setup_complete_cb_ctx = wpa_s; #ifdef CONFIG_TESTING_OPTIONS hapd_iface->bss[i]->ext_eapol_frame_io = wpa_s->ext_eapol_frame_io; #endif /* CONFIG_TESTING_OPTIONS */ } 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; eapol_sm_notify_config(wpa_s->eapol, NULL, NULL); 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 hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht, int offset, int width, int cf1, int cf2) { /* TODO: If OCV is enabled deauth STAs that don't perform a SA Query */ #ifdef NEED_AP_MLME int channel, chwidth, is_dfs; u8 seg0_idx = 0, seg1_idx = 0; size_t i; hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211, HOSTAPD_LEVEL_INFO, "driver had channel switch: freq=%d, ht=%d, vht_ch=0x%x, offset=%d, width=%d (%s), cf1=%d, cf2=%d", freq, ht, hapd->iconf->ch_switch_vht_config, offset, width, channel_width_to_string(width), cf1, cf2); hapd->iface->freq = freq; channel = hostapd_hw_get_channel(hapd, freq); if (!channel) { hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211, HOSTAPD_LEVEL_WARNING, "driver switched to bad channel!"); return; } switch (width) { case CHAN_WIDTH_80: chwidth = VHT_CHANWIDTH_80MHZ; break; case CHAN_WIDTH_80P80: chwidth = VHT_CHANWIDTH_80P80MHZ; break; case CHAN_WIDTH_160: chwidth = VHT_CHANWIDTH_160MHZ; break; case CHAN_WIDTH_20_NOHT: case CHAN_WIDTH_20: case CHAN_WIDTH_40: default: chwidth = VHT_CHANWIDTH_USE_HT; break; } switch (hapd->iface->current_mode->mode) { case HOSTAPD_MODE_IEEE80211A: if (cf1 > 5000) seg0_idx = (cf1 - 5000) / 5; if (cf2 > 5000) seg1_idx = (cf2 - 5000) / 5; break; default: ieee80211_freq_to_chan(cf1, &seg0_idx); ieee80211_freq_to_chan(cf2, &seg1_idx); break; } hapd->iconf->channel = channel; hapd->iconf->ieee80211n = ht; if (!ht) { hapd->iconf->ieee80211ac = 0; } else if (hapd->iconf->ch_switch_vht_config) { /* CHAN_SWITCH VHT config */ if (hapd->iconf->ch_switch_vht_config & CH_SWITCH_VHT_ENABLED) hapd->iconf->ieee80211ac = 1; else if (hapd->iconf->ch_switch_vht_config & CH_SWITCH_VHT_DISABLED) hapd->iconf->ieee80211ac = 0; } hapd->iconf->ch_switch_vht_config = 0; hapd->iconf->secondary_channel = offset; hapd->iconf->vht_oper_chwidth = chwidth; hapd->iconf->vht_oper_centr_freq_seg0_idx = seg0_idx; hapd->iconf->vht_oper_centr_freq_seg1_idx = seg1_idx; is_dfs = ieee80211_is_dfs(freq, hapd->iface->hw_features, hapd->iface->num_hw_features); if (hapd->csa_in_progress && freq == hapd->cs_freq_params.freq) { hostapd_cleanup_cs_params(hapd); ieee802_11_set_beacon(hapd); wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED "freq=%d dfs=%d", freq, is_dfs); } else if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) { wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED "freq=%d dfs=%d", freq, is_dfs); } for (i = 0; i < hapd->iface->num_bss; i++) hostapd_neighbor_set_own_report(hapd->iface->bss[i]); #endif /* NEED_AP_MLME */ }