X-Git-Url: http://www.project-moonshot.org/gitweb/?a=blobdiff_plain;f=wpa_supplicant%2Fmesh.c;h=cdfe51c6564ace907590bcf009a3c26522b7b399;hb=4ac2ea57382f2487c5f930609528801cf4583e20;hp=3ebf0584e11557d96944945b6496b72d3fdddef1;hpb=edfefaed3c89c48a9694173ee1bf902bb94c3769;p=mech_eap.git

diff --git a/wpa_supplicant/mesh.c b/wpa_supplicant/mesh.c
index 3ebf058..cdfe51c 100644
--- a/wpa_supplicant/mesh.c
+++ b/wpa_supplicant/mesh.c
@@ -47,8 +47,8 @@ void wpa_supplicant_mesh_iface_deinit(struct wpa_supplicant *wpa_s,
 
 	if (ifmsh->mconf) {
 		mesh_mpm_deinit(wpa_s, ifmsh);
-		if (ifmsh->mconf->ies) {
-			ifmsh->mconf->ies = NULL;
+		if (ifmsh->mconf->rsn_ie) {
+			ifmsh->mconf->rsn_ie = NULL;
 			/* We cannot free this struct
 			 * because wpa_authenticator on
 			 * hostapd side is also using it
@@ -66,9 +66,11 @@ void wpa_supplicant_mesh_iface_deinit(struct wpa_supplicant *wpa_s,
 }
 
 
-static struct mesh_conf * mesh_config_create(struct wpa_ssid *ssid)
+static struct mesh_conf * mesh_config_create(struct wpa_supplicant *wpa_s,
+					     struct wpa_ssid *ssid)
 {
 	struct mesh_conf *conf;
+	int cipher;
 
 	conf = os_zalloc(sizeof(struct mesh_conf));
 	if (!conf)
@@ -82,6 +84,33 @@ static struct mesh_conf * mesh_config_create(struct wpa_ssid *ssid)
 			MESH_CONF_SEC_AMPE;
 	else
 		conf->security |= MESH_CONF_SEC_NONE;
+	conf->ieee80211w = ssid->ieee80211w;
+	if (conf->ieee80211w == MGMT_FRAME_PROTECTION_DEFAULT) {
+		if (wpa_s->drv_enc & WPA_DRIVER_CAPA_ENC_BIP)
+			conf->ieee80211w = wpa_s->conf->pmf;
+		else
+			conf->ieee80211w = NO_MGMT_FRAME_PROTECTION;
+	}
+
+	cipher = wpa_pick_pairwise_cipher(ssid->pairwise_cipher, 0);
+	if (cipher < 0 || cipher == WPA_CIPHER_TKIP) {
+		wpa_msg(wpa_s, MSG_INFO, "mesh: Invalid pairwise cipher");
+		os_free(conf);
+		return NULL;
+	}
+	conf->pairwise_cipher = cipher;
+
+	cipher = wpa_pick_group_cipher(ssid->group_cipher);
+	if (cipher < 0 || cipher == WPA_CIPHER_TKIP ||
+	    cipher == WPA_CIPHER_GTK_NOT_USED) {
+		wpa_msg(wpa_s, MSG_INFO, "mesh: Invalid group cipher");
+		os_free(conf);
+		return NULL;
+	}
+
+	conf->group_cipher = cipher;
+	if (conf->ieee80211w != NO_MGMT_FRAME_PROTECTION)
+		conf->mgmt_group_cipher = WPA_CIPHER_AES_128_CMAC;
 
 	/* defaults */
 	conf->mesh_pp_id = MESH_PATH_PROTOCOL_HWMP;
@@ -89,6 +118,10 @@ static struct mesh_conf * mesh_config_create(struct wpa_ssid *ssid)
 	conf->mesh_cc_id = 0;
 	conf->mesh_sp_id = MESH_SYNC_METHOD_NEIGHBOR_OFFSET;
 	conf->mesh_auth_id = (conf->security & MESH_CONF_SEC_AUTH) ? 1 : 0;
+	conf->dot11MeshMaxRetries = ssid->dot11MeshMaxRetries;
+	conf->dot11MeshRetryTimeout = ssid->dot11MeshRetryTimeout;
+	conf->dot11MeshConfirmTimeout = ssid->dot11MeshConfirmTimeout;
+	conf->dot11MeshHoldingTimeout = ssid->dot11MeshHoldingTimeout;
 
 	return conf;
 }
@@ -122,6 +155,7 @@ static int wpa_supplicant_mesh_init(struct wpa_supplicant *wpa_s,
 	int basic_rates_erp[] = { 10, 20, 55, 60, 110, 120, 240, -1 };
 	static int default_groups[] = { 19, 20, 21, 25, 26, -1 };
 	size_t len;
+	int rate_len;
 
 	if (!wpa_s->conf->user_mpm) {
 		/* not much for us to do here */
@@ -161,44 +195,79 @@ static int wpa_supplicant_mesh_init(struct wpa_supplicant *wpa_s,
 	bss->conf = *conf->bss;
 	bss->conf->start_disabled = 1;
 	bss->conf->mesh = MESH_ENABLED;
+	bss->conf->ap_max_inactivity = wpa_s->conf->mesh_max_inactivity;
 	bss->iconf = conf;
 	ifmsh->conf = conf;
 
-	ifmsh->bss[0]->max_plinks = 99;
+	ifmsh->bss[0]->max_plinks = wpa_s->conf->max_peer_links;
+	ifmsh->bss[0]->dot11RSNASAERetransPeriod =
+		wpa_s->conf->dot11RSNASAERetransPeriod;
 	os_strlcpy(bss->conf->iface, wpa_s->ifname, sizeof(bss->conf->iface));
 
-	mconf = mesh_config_create(ssid);
+	mconf = mesh_config_create(wpa_s, ssid);
 	if (!mconf)
 		goto out_free;
 	ifmsh->mconf = mconf;
 
 	/* need conf->hw_mode for supported rates. */
-	if (ssid->frequency == 0) {
-		conf->hw_mode = HOSTAPD_MODE_IEEE80211G;
-		conf->channel = 1;
-	} else {
-		conf->hw_mode = ieee80211_freq_to_chan(ssid->frequency,
-						       &conf->channel);
-	}
+	conf->hw_mode = ieee80211_freq_to_chan(ssid->frequency, &conf->channel);
 	if (conf->hw_mode == NUM_HOSTAPD_MODES) {
 		wpa_printf(MSG_ERROR, "Unsupported mesh mode frequency: %d MHz",
 			   ssid->frequency);
 		goto out_free;
 	}
+	if (ssid->ht40)
+		conf->secondary_channel = ssid->ht40;
+	if (conf->hw_mode == HOSTAPD_MODE_IEEE80211A && ssid->vht) {
+		conf->vht_oper_chwidth = ssid->max_oper_chwidth;
+		switch (conf->vht_oper_chwidth) {
+		case VHT_CHANWIDTH_80MHZ:
+		case VHT_CHANWIDTH_80P80MHZ:
+			ieee80211_freq_to_chan(
+				ssid->frequency,
+				&conf->vht_oper_centr_freq_seg0_idx);
+			conf->vht_oper_centr_freq_seg0_idx += ssid->ht40 * 2;
+			break;
+		case VHT_CHANWIDTH_160MHZ:
+			ieee80211_freq_to_chan(
+				ssid->frequency,
+				&conf->vht_oper_centr_freq_seg0_idx);
+			conf->vht_oper_centr_freq_seg0_idx += ssid->ht40 * 2;
+			conf->vht_oper_centr_freq_seg0_idx += 40 / 5;
+			break;
+		}
+		ieee80211_freq_to_chan(ssid->vht_center_freq2,
+				       &conf->vht_oper_centr_freq_seg1_idx);
+	}
 
-	/*
-	 * XXX: Hack! This is so an MPM which correctly sets the ERP mandatory
-	 * rates as BSSBasicRateSet doesn't reject us. We could add a new
-	 * hw_mode HOSTAPD_MODE_IEEE80211G_ERP, but this is way easier. This
-	 * also makes our BSSBasicRateSet advertised in Beacon frames match the
-	 * one in peering frames, sigh.
-	 */
-	if (conf->hw_mode == HOSTAPD_MODE_IEEE80211G) {
-		conf->basic_rates = os_malloc(sizeof(basic_rates_erp));
-		if (!conf->basic_rates)
+	if (ssid->mesh_basic_rates == NULL) {
+		/*
+		 * XXX: Hack! This is so an MPM which correctly sets the ERP
+		 * mandatory rates as BSSBasicRateSet doesn't reject us. We
+		 * could add a new hw_mode HOSTAPD_MODE_IEEE80211G_ERP, but
+		 * this is way easier. This also makes our BSSBasicRateSet
+		 * advertised in beacons match the one in peering frames, sigh.
+		 */
+		if (conf->hw_mode == HOSTAPD_MODE_IEEE80211G) {
+			conf->basic_rates = os_malloc(sizeof(basic_rates_erp));
+			if (!conf->basic_rates)
+				goto out_free;
+			os_memcpy(conf->basic_rates, basic_rates_erp,
+				  sizeof(basic_rates_erp));
+		}
+	} else {
+		rate_len = 0;
+		while (1) {
+			if (ssid->mesh_basic_rates[rate_len] < 1)
+				break;
+			rate_len++;
+		}
+		conf->basic_rates = os_calloc(rate_len + 1, sizeof(int));
+		if (conf->basic_rates == NULL)
 			goto out_free;
-		os_memcpy(conf->basic_rates, basic_rates_erp,
-			  sizeof(basic_rates_erp));
+		os_memcpy(conf->basic_rates, ssid->mesh_basic_rates,
+			  rate_len * sizeof(int));
+		conf->basic_rates[rate_len] = -1;
 	}
 
 	if (hostapd_setup_interface(ifmsh)) {
@@ -295,13 +364,47 @@ int wpa_supplicant_join_mesh(struct wpa_supplicant *wpa_s,
 
 	wpa_supplicant_mesh_deinit(wpa_s);
 
+	wpa_s->pairwise_cipher = WPA_CIPHER_NONE;
+	wpa_s->group_cipher = WPA_CIPHER_NONE;
+	wpa_s->mgmt_group_cipher = 0;
+
 	os_memset(&params, 0, sizeof(params));
 	params.meshid = ssid->ssid;
 	params.meshid_len = ssid->ssid_len;
-	params.freq = ssid->frequency;
-#ifdef CONFIG_IEEE80211N
-	params.ht_mode = ssid->mesh_ht_mode;
-#endif /* CONFIG_IEEE80211N */
+	ibss_mesh_setup_freq(wpa_s, ssid, &params.freq);
+	wpa_s->mesh_ht_enabled = !!params.freq.ht_enabled;
+	wpa_s->mesh_vht_enabled = !!params.freq.vht_enabled;
+	if (params.freq.ht_enabled && params.freq.sec_channel_offset)
+		ssid->ht40 = params.freq.sec_channel_offset;
+	if (wpa_s->mesh_vht_enabled) {
+		ssid->vht = 1;
+		switch (params.freq.bandwidth) {
+		case 80:
+			if (params.freq.center_freq2) {
+				ssid->max_oper_chwidth = VHT_CHANWIDTH_80P80MHZ;
+				ssid->vht_center_freq2 =
+					params.freq.center_freq2;
+			} else {
+				ssid->max_oper_chwidth = VHT_CHANWIDTH_80MHZ;
+			}
+			break;
+		case 160:
+			ssid->max_oper_chwidth = VHT_CHANWIDTH_160MHZ;
+			break;
+		default:
+			ssid->max_oper_chwidth = VHT_CHANWIDTH_USE_HT;
+			break;
+		}
+	}
+	if (ssid->beacon_int > 0)
+		params.beacon_int = ssid->beacon_int;
+	else if (wpa_s->conf->beacon_int > 0)
+		params.beacon_int = wpa_s->conf->beacon_int;
+	if (ssid->dtim_period > 0)
+		params.dtim_period = ssid->dtim_period;
+	else if (wpa_s->conf->dtim_period > 0)
+		params.dtim_period = wpa_s->conf->dtim_period;
+	params.max_peer_links = wpa_s->conf->max_peer_links;
 
 	if (ssid->key_mgmt & WPA_KEY_MGMT_SAE) {
 		params.flags |= WPA_DRIVER_MESH_FLAG_SAE_AUTH;
@@ -316,16 +419,24 @@ int wpa_supplicant_join_mesh(struct wpa_supplicant *wpa_s,
 		params.flags |= WPA_DRIVER_MESH_FLAG_DRIVER_MPM;
 		params.conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS;
 	}
+	params.conf.peer_link_timeout = wpa_s->conf->mesh_max_inactivity;
 
 	if (wpa_supplicant_mesh_init(wpa_s, ssid)) {
 		wpa_msg(wpa_s, MSG_ERROR, "Failed to init mesh");
+		wpa_drv_leave_mesh(wpa_s);
 		ret = -1;
 		goto out;
 	}
 
+	if (ssid->key_mgmt & WPA_KEY_MGMT_SAE) {
+		wpa_s->pairwise_cipher = wpa_s->mesh_rsn->pairwise_cipher;
+		wpa_s->group_cipher = wpa_s->mesh_rsn->group_cipher;
+		wpa_s->mgmt_group_cipher = wpa_s->mesh_rsn->mgmt_group_cipher;
+	}
+
 	if (wpa_s->ifmsh) {
-		params.ies = wpa_s->ifmsh->mconf->ies;
-		params.ie_len = wpa_s->ifmsh->mconf->ie_len;
+		params.ies = wpa_s->ifmsh->mconf->rsn_ie;
+		params.ie_len = wpa_s->ifmsh->mconf->rsn_ie_len;
 		params.basic_rates = wpa_s->ifmsh->basic_rates;
 	}
 
@@ -333,11 +444,14 @@ int wpa_supplicant_join_mesh(struct wpa_supplicant *wpa_s,
 		wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
 	ret = wpa_drv_join_mesh(wpa_s, &params);
 	if (ret)
-		wpa_msg(wpa_s, MSG_ERROR, "mesh join error=%d\n", ret);
+		wpa_msg(wpa_s, MSG_ERROR, "mesh join error=%d", ret);
 
 	/* hostapd sets the interface down until we associate */
 	wpa_drv_set_operstate(wpa_s, 1);
 
+	if (!ret)
+		wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
+
 out:
 	return ret;
 }
@@ -349,13 +463,180 @@ int wpa_supplicant_leave_mesh(struct wpa_supplicant *wpa_s)
 
 	wpa_msg(wpa_s, MSG_INFO, "leaving mesh");
 
+	/* Need to send peering close messages first */
+	wpa_supplicant_mesh_deinit(wpa_s);
+
 	ret = wpa_drv_leave_mesh(wpa_s);
 	if (ret)
 		wpa_msg(wpa_s, MSG_ERROR, "mesh leave error=%d", ret);
 
 	wpa_drv_set_operstate(wpa_s, 1);
 
-	wpa_supplicant_mesh_deinit(wpa_s);
-
 	return ret;
 }
+
+
+static int mesh_attr_text(const u8 *ies, size_t ies_len, char *buf, char *end)
+{
+	struct ieee802_11_elems elems;
+	char *mesh_id, *pos = buf;
+	u8 *bss_basic_rate_set;
+	int bss_basic_rate_set_len, ret, i;
+
+	if (ieee802_11_parse_elems(ies, ies_len, &elems, 0) == ParseFailed)
+		return -1;
+
+	if (elems.mesh_id_len < 1)
+		return 0;
+
+	mesh_id = os_malloc(elems.mesh_id_len + 1);
+	if (mesh_id == NULL)
+		return -1;
+
+	os_memcpy(mesh_id, elems.mesh_id, elems.mesh_id_len);
+	mesh_id[elems.mesh_id_len] = '\0';
+	ret = os_snprintf(pos, end - pos, "mesh_id=%s\n", mesh_id);
+	os_free(mesh_id);
+	if (os_snprintf_error(end - pos, ret))
+		return pos - buf;
+	pos += ret;
+
+	if (elems.mesh_config_len > 6) {
+		ret = os_snprintf(pos, end - pos,
+				  "active_path_selection_protocol_id=0x%02x\n"
+				  "active_path_selection_metric_id=0x%02x\n"
+				  "congestion_control_mode_id=0x%02x\n"
+				  "synchronization_method_id=0x%02x\n"
+				  "authentication_protocol_id=0x%02x\n"
+				  "mesh_formation_info=0x%02x\n"
+				  "mesh_capability=0x%02x\n",
+				  elems.mesh_config[0], elems.mesh_config[1],
+				  elems.mesh_config[2], elems.mesh_config[3],
+				  elems.mesh_config[4], elems.mesh_config[5],
+				  elems.mesh_config[6]);
+		if (os_snprintf_error(end - pos, ret))
+			return pos - buf;
+		pos += ret;
+	}
+
+	bss_basic_rate_set = os_malloc(elems.supp_rates_len +
+		elems.ext_supp_rates_len);
+	if (bss_basic_rate_set == NULL)
+		return -1;
+
+	bss_basic_rate_set_len = 0;
+	for (i = 0; i < elems.supp_rates_len; i++) {
+		if (elems.supp_rates[i] & 0x80) {
+			bss_basic_rate_set[bss_basic_rate_set_len++] =
+				(elems.supp_rates[i] & 0x7f) * 5;
+		}
+	}
+	for (i = 0; i < elems.ext_supp_rates_len; i++) {
+		if (elems.ext_supp_rates[i] & 0x80) {
+			bss_basic_rate_set[bss_basic_rate_set_len++] =
+				(elems.ext_supp_rates[i] & 0x7f) * 5;
+		}
+	}
+	if (bss_basic_rate_set_len > 0) {
+		ret = os_snprintf(pos, end - pos, "bss_basic_rate_set=%d",
+				  bss_basic_rate_set[0]);
+		if (os_snprintf_error(end - pos, ret))
+			goto fail;
+		pos += ret;
+
+		for (i = 1; i < bss_basic_rate_set_len; i++) {
+			ret = os_snprintf(pos, end - pos, " %d",
+					  bss_basic_rate_set[i]);
+			if (os_snprintf_error(end - pos, ret))
+				goto fail;
+			pos += ret;
+		}
+
+		ret = os_snprintf(pos, end - pos, "\n");
+		if (os_snprintf_error(end - pos, ret))
+			goto fail;
+		pos += ret;
+	}
+fail:
+	os_free(bss_basic_rate_set);
+
+	return pos - buf;
+}
+
+
+int wpas_mesh_scan_result_text(const u8 *ies, size_t ies_len, char *buf,
+			       char *end)
+{
+	return mesh_attr_text(ies, ies_len, buf, end);
+}
+
+
+static int wpas_mesh_get_ifname(struct wpa_supplicant *wpa_s, char *ifname,
+				size_t len)
+{
+	char *ifname_ptr = wpa_s->ifname;
+	int res;
+
+	res = os_snprintf(ifname, len, "mesh-%s-%d", ifname_ptr,
+			  wpa_s->mesh_if_idx);
+	if (os_snprintf_error(len, res) ||
+	    (os_strlen(ifname) >= IFNAMSIZ &&
+	     os_strlen(wpa_s->ifname) < IFNAMSIZ)) {
+		/* Try to avoid going over the IFNAMSIZ length limit */
+		res = os_snprintf(ifname, len, "mesh-%d", wpa_s->mesh_if_idx);
+		if (os_snprintf_error(len, res))
+			return -1;
+	}
+	wpa_s->mesh_if_idx++;
+	return 0;
+}
+
+
+int wpas_mesh_add_interface(struct wpa_supplicant *wpa_s, char *ifname,
+			    size_t len)
+{
+	struct wpa_interface iface;
+	struct wpa_supplicant *mesh_wpa_s;
+	u8 addr[ETH_ALEN];
+
+	if (ifname[0] == '\0' && wpas_mesh_get_ifname(wpa_s, ifname, len) < 0)
+		return -1;
+
+	if (wpa_drv_if_add(wpa_s, WPA_IF_MESH, ifname, NULL, NULL, NULL, addr,
+			   NULL) < 0) {
+		wpa_printf(MSG_ERROR,
+			   "mesh: Failed to create new mesh interface");
+		return -1;
+	}
+	wpa_printf(MSG_INFO, "mesh: Created virtual interface %s addr "
+		   MACSTR, ifname, MAC2STR(addr));
+
+	os_memset(&iface, 0, sizeof(iface));
+	iface.ifname = ifname;
+	iface.driver = wpa_s->driver->name;
+	iface.driver_param = wpa_s->conf->driver_param;
+	iface.ctrl_interface = wpa_s->conf->ctrl_interface;
+
+	mesh_wpa_s = wpa_supplicant_add_iface(wpa_s->global, &iface, wpa_s);
+	if (!mesh_wpa_s) {
+		wpa_printf(MSG_ERROR,
+			   "mesh: Failed to create new wpa_supplicant interface");
+		wpa_drv_if_remove(wpa_s, WPA_IF_MESH, ifname);
+		return -1;
+	}
+	mesh_wpa_s->mesh_if_created = 1;
+	return 0;
+}
+
+
+int wpas_mesh_peer_remove(struct wpa_supplicant *wpa_s, const u8 *addr)
+{
+	return mesh_mpm_close_peer(wpa_s, addr);
+}
+
+
+int wpas_mesh_peer_add(struct wpa_supplicant *wpa_s, const u8 *addr,
+		       int duration)
+{
+	return mesh_mpm_connect_peer(wpa_s, addr, duration);
+}