Пример #1
0
void sme_associate(struct wpa_supplicant *wpa_s, enum wpas_mode mode,
		   const u8 *bssid, u16 auth_type)
{
	struct wpa_driver_associate_params params;
	struct ieee802_11_elems elems;
#ifdef CONFIG_HT_OVERRIDES
	struct ieee80211_ht_capabilities htcaps;
	struct ieee80211_ht_capabilities htcaps_mask;
#endif /* CONFIG_HT_OVERRIDES */
#ifdef CONFIG_VHT_OVERRIDES
	struct ieee80211_vht_capabilities vhtcaps;
	struct ieee80211_vht_capabilities vhtcaps_mask;
#endif /* CONFIG_VHT_OVERRIDES */

	os_memset(&params, 0, sizeof(params));
	params.bssid = bssid;
	params.ssid = wpa_s->sme.ssid;
	params.ssid_len = wpa_s->sme.ssid_len;
	params.freq = wpa_s->sme.freq;
	params.bg_scan_period = wpa_s->current_ssid ?
		wpa_s->current_ssid->bg_scan_period : -1;
	params.wpa_ie = wpa_s->sme.assoc_req_ie_len ?
		wpa_s->sme.assoc_req_ie : NULL;
	params.wpa_ie_len = wpa_s->sme.assoc_req_ie_len;
	params.pairwise_suite =
		wpa_cipher_to_suite_driver(wpa_s->pairwise_cipher);
	params.group_suite = wpa_cipher_to_suite_driver(wpa_s->group_cipher);
#ifdef CONFIG_HT_OVERRIDES
	os_memset(&htcaps, 0, sizeof(htcaps));
	os_memset(&htcaps_mask, 0, sizeof(htcaps_mask));
	params.htcaps = (u8 *) &htcaps;
	params.htcaps_mask = (u8 *) &htcaps_mask;
	wpa_supplicant_apply_ht_overrides(wpa_s, wpa_s->current_ssid, &params);
#endif /* CONFIG_HT_OVERRIDES */
#ifdef CONFIG_VHT_OVERRIDES
	os_memset(&vhtcaps, 0, sizeof(vhtcaps));
	os_memset(&vhtcaps_mask, 0, sizeof(vhtcaps_mask));
	params.vhtcaps = &vhtcaps;
	params.vhtcaps_mask = &vhtcaps_mask;
	wpa_supplicant_apply_vht_overrides(wpa_s, wpa_s->current_ssid, &params);
#endif /* CONFIG_VHT_OVERRIDES */
#ifdef CONFIG_IEEE80211R
	if (auth_type == WLAN_AUTH_FT && wpa_s->sme.ft_ies) {
		params.wpa_ie = wpa_s->sme.ft_ies;
		params.wpa_ie_len = wpa_s->sme.ft_ies_len;
	}
#endif /* CONFIG_IEEE80211R */
	params.mode = mode;
	params.mgmt_frame_protection = wpa_s->sme.mfp;
	if (wpa_s->sme.prev_bssid_set)
		params.prev_bssid = wpa_s->sme.prev_bssid;

	wpa_msg(wpa_s, MSG_INFO, "Trying to associate with " MACSTR
		" (SSID='%s' freq=%d MHz)", MAC2STR(params.bssid),
		params.ssid ? wpa_ssid_txt(params.ssid, params.ssid_len) : "",
		params.freq);

	wpa_supplicant_set_state(wpa_s, WPA_ASSOCIATING);

	if (params.wpa_ie == NULL ||
	    ieee802_11_parse_elems(params.wpa_ie, params.wpa_ie_len, &elems, 0)
	    < 0) {
		wpa_dbg(wpa_s, MSG_DEBUG, "SME: Could not parse own IEs?!");
		os_memset(&elems, 0, sizeof(elems));
	}
	if (elems.rsn_ie) {
		params.wpa_proto = WPA_PROTO_RSN;
		wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, elems.rsn_ie - 2,
					elems.rsn_ie_len + 2);
	} else if (elems.wpa_ie) {
		params.wpa_proto = WPA_PROTO_WPA;
		wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, elems.wpa_ie - 2,
					elems.wpa_ie_len + 2);
	} else
		wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0);
	if (wpa_s->current_ssid && wpa_s->current_ssid->p2p_group)
		params.p2p = 1;

	if (wpa_s->parent->set_sta_uapsd)
		params.uapsd = wpa_s->parent->sta_uapsd;
	else
		params.uapsd = -1;

	if (wpa_drv_associate(wpa_s, &params) < 0) {
		wpa_msg(wpa_s, MSG_INFO, "SME: Association request to the "
			"driver failed");
		wpas_connection_failed(wpa_s, wpa_s->pending_bssid);
		wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
		os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
		return;
	}

	eloop_register_timeout(SME_ASSOC_TIMEOUT, 0, sme_assoc_timer, wpa_s,
			       NULL);
}
Пример #2
0
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(&params, 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;
	}
	if (ssid->frequency == 0)
		ssid->frequency = 2462; /* default channel 11 */
	params.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 = key_mgmt2driver(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_cipher_to_suite_driver(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
		params.uapsd = -1;

	if (wpa_drv_associate(wpa_s, &params) < 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->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->wmm_enabled = 1;
		conf->bss->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;
	}

	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;
}