wpa: Import wpa_supplicant/hostapd commit b26f5c0fe

This is the December/January update to vendor/wpa committed upstream
2021-12-13.

(cherry picked from commit 32a9565)

contrib/wpa/hostapd/Android.mk

@@ -567,6 +567,9 @@ NEED_ASN1=y
 ifdef CONFIG_DPP2
 L_CFLAGS += -DCONFIG_DPP2
 endif
+ifdef CONFIG_DPP3
+L_CFLAGS += -DCONFIG_DPP3
+endif
 endif
 
 ifdef CONFIG_PASN

contrib/wpa/hostapd/Makefile

@@ -593,6 +593,9 @@ NEED_ASN1=y
 ifdef CONFIG_DPP2
 CFLAGS += -DCONFIG_DPP2
 endif
+ifdef CONFIG_DPP3
+CFLAGS += -DCONFIG_DPP3
+endif
 endif
 
 ifdef CONFIG_PASN

contrib/wpa/hostapd/config_file.c

@@ -3193,6 +3193,16 @@ static int hostapd_config_fill(struct hostapd_config *conf,
 		conf->acs_freq_list_present = 1;
 	} else if (os_strcmp(buf, "acs_exclude_6ghz_non_psc") == 0) {
 		conf->acs_exclude_6ghz_non_psc = atoi(pos);
+	} else if (os_strcmp(buf, "min_tx_power") == 0) {
+		int val = atoi(pos);
+
+		if (val < 0 || val > 255) {
+			wpa_printf(MSG_ERROR,
+				   "Line %d: invalid min_tx_power %d (expected 0..255)",
+				   line, val);
+			return 1;
+		}
+		conf->min_tx_power = val;
 	} else if (os_strcmp(buf, "beacon_int") == 0) {
 		int val = atoi(pos);
 		/* MIB defines range as 1..65535, but very small values

contrib/wpa/hostapd/ctrl_iface.c

@@ -1504,7 +1504,7 @@ static int hostapd_ctrl_iface_set(struct hostapd_data *hapd, char *cmd)
 			return -1;
 
 		val = atoi(value);
-		if (val < 0 || val > 1)
+		if (val < 0 || val > MBO_ASSOC_DISALLOW_REASON_LOW_RSSI)
 			return -1;
 
 		hapd->mbo_assoc_disallow = val;
@@ -3463,7 +3463,9 @@ static int hostapd_ctrl_iface_get_capability(struct hostapd_data *hapd,
 	if (os_strcmp(field, "dpp") == 0) {
 		int res;
 
-#ifdef CONFIG_DPP2
+#ifdef CONFIG_DPP3
+		res = os_snprintf(buf, buflen, "DPP=3");
+#elif defined(CONFIG_DPP2)
 		res = os_snprintf(buf, buflen, "DPP=2");
 #else /* CONFIG_DPP2 */
 		res = os_snprintf(buf, buflen, "DPP=1");
@@ -4492,7 +4494,9 @@ static void hostapd_ctrl_iface_flush(struct hapd_interfaces *interfaces)
 #ifdef CONFIG_TESTING_OPTIONS
 #ifdef CONFIG_DPP
 	dpp_test = DPP_TEST_DISABLED;
-#ifdef CONFIG_DPP2
+#ifdef CONFIG_DPP3
+	dpp_version_override = 3;
+#elif defined(CONFIG_DPP2)
 	dpp_version_override = 2;
 #else /* CONFIG_DPP2 */
 	dpp_version_override = 1;

contrib/wpa/hostapd/defconfig

@@ -402,3 +402,11 @@ CONFIG_IPV6=y
 # production use.
 # This requires CONFIG_IEEE80211W=y to be enabled, too.
 #CONFIG_PASN=y
+
+# Device Provisioning Protocol (DPP) (also known as Wi-Fi Easy Connect)
+CONFIG_DPP=y
+# DPP version 2 support
+CONFIG_DPP2=y
+# DPP version 3 support (experimental and still changing; do not enable for
+# production use)
+#CONFIG_DPP3=y

contrib/wpa/hostapd/hostapd.conf

@@ -225,6 +225,10 @@ channel=1
 # Default behavior is to include all PSC and non-PSC channels.
 #acs_exclude_6ghz_non_psc=1
 
+# Set minimum permitted max TX power (in dBm) for ACS and DFS channel selection.
+# (default 0, i.e., not constraint)
+#min_tx_power=20
+
 # Beacon interval in kus (1.024 ms) (default: 100; range 15..65535)
 beacon_int=100
 

contrib/wpa/src/ap/acs.c

@@ -546,6 +546,9 @@ static void acs_survey_mode_interference_factor(
 		if (!is_in_freqlist(iface, chan))
 			continue;
 
+		if (chan->max_tx_power < iface->conf->min_tx_power)
+			continue;
+
 		wpa_printf(MSG_DEBUG, "ACS: Survey analysis for channel %d (%d MHz)",
 			   chan->chan, chan->freq);
 
@@ -673,6 +676,9 @@ acs_find_ideal_chan_mode(struct hostapd_iface *iface,
 		if (!is_in_freqlist(iface, chan))
 			continue;
 
+		if (chan->max_tx_power < iface->conf->min_tx_power)
+			continue;
+
 		if (!chan_bw_allowed(chan, bw, 1, 1)) {
 			wpa_printf(MSG_DEBUG,
 				   "ACS: Channel %d: BW %u is not supported",
@@ -1047,6 +1053,9 @@ static int * acs_request_scan_add_freqs(struct hostapd_iface *iface,
 		if (!is_in_freqlist(iface, chan))
 			continue;
 
+		if (chan->max_tx_power < iface->conf->min_tx_power)
+			continue;
+
 		*freq++ = chan->freq;
 	}
 

contrib/wpa/src/ap/ap_config.h

@@ -51,6 +51,7 @@ struct mesh_conf {
 	int dot11MeshRetryTimeout; /* msec */
 	int dot11MeshConfirmTimeout; /* msec */
 	int dot11MeshHoldingTimeout; /* msec */
+	int mesh_fwding;
 };
 
 #define MAX_STA_COUNT 2007
@@ -696,6 +697,7 @@ struct hostapd_bss_config {
 
 #define MESH_ENABLED BIT(0)
 	int mesh;
+	int mesh_fwding;
 
 	u8 radio_measurements[RRM_CAPABILITIES_IE_LEN];
 
@@ -953,6 +955,7 @@ struct hostapd_config {
 	struct wpa_freq_range_list acs_freq_list;
 	u8 acs_freq_list_present;
 	int acs_exclude_dfs;
+	u8 min_tx_power;
 	enum hostapd_hw_mode hw_mode; /* HOSTAPD_MODE_IEEE80211A, .. */
 	int acs_exclude_6ghz_non_psc;
 	enum {

contrib/wpa/src/ap/ap_drv_ops.c

@@ -888,7 +888,8 @@ static void hostapd_get_hw_mode_any_channels(struct hostapd_data *hapd,
 			continue;
 		if (!(chan->flag & HOSTAPD_CHAN_DISABLED) &&
 		    !(hapd->iface->conf->acs_exclude_dfs &&
-		      (chan->flag & HOSTAPD_CHAN_RADAR)))
+		      (chan->flag & HOSTAPD_CHAN_RADAR)) &&
+		    !(chan->max_tx_power < hapd->iface->conf->min_tx_power))
 			int_array_add_unique(freq_list, chan->freq);
 	}
 }

contrib/wpa/src/ap/beacon.c

@@ -570,9 +570,7 @@ static u8 * hostapd_gen_probe_resp(struct hostapd_data *hapd,
 		pos = hostapd_eid_txpower_envelope(hapd, pos);
 #endif /* CONFIG_IEEE80211AX */
 
-	if ((hapd->iconf->ieee80211ac && !hapd->conf->disable_11ac) ||
-	    (hapd->iconf->ieee80211ax && !hapd->conf->disable_11ax))
-		pos = hostapd_eid_wb_chsw_wrapper(hapd, pos);
+	pos = hostapd_eid_wb_chsw_wrapper(hapd, pos);
 
 	pos = hostapd_eid_rnr(hapd, pos, WLAN_FC_STYPE_PROBE_RESP);
 	pos = hostapd_eid_fils_indic(hapd, pos, 0);
@@ -1594,9 +1592,7 @@ int ieee802_11_build_ap_params(struct hostapd_data *hapd,
 		tailpos = hostapd_eid_txpower_envelope(hapd, tailpos);
 #endif /* CONFIG_IEEE80211AX */
 
-	if ((hapd->iconf->ieee80211ac && !hapd->conf->disable_11ac) ||
-	    (hapd->iconf->ieee80211ax && !hapd->conf->disable_11ax))
-		tailpos = hostapd_eid_wb_chsw_wrapper(hapd, tailpos);
+	tailpos = hostapd_eid_wb_chsw_wrapper(hapd, tailpos);
 
 	tailpos = hostapd_eid_rnr(hapd, tailpos, WLAN_FC_STYPE_BEACON);
 	tailpos = hostapd_eid_fils_indic(hapd, tailpos, 0);

contrib/wpa/src/ap/dfs.c

@@ -246,6 +246,9 @@ static int dfs_find_channel(struct hostapd_iface *iface,
 			continue;
 		}
 
+		if (chan->max_tx_power < iface->conf->min_tx_power)
+			continue;
+
 		if (ret_chan && idx == channel_idx) {
 			wpa_printf(MSG_DEBUG, "Selected channel %d (%d)",
 				   chan->freq, chan->chan);

contrib/wpa/src/ap/dpp_hostapd.c

@@ -1554,17 +1554,38 @@ static void hostapd_dpp_send_peer_disc_resp(struct hostapd_data *hapd,
 
 #ifdef CONFIG_TESTING_OPTIONS
 skip_connector:
+	if (dpp_test == DPP_TEST_NO_PROTOCOL_VERSION_PEER_DISC_RESP) {
+		wpa_printf(MSG_INFO, "DPP: TESTING - no Protocol Version");
+		goto skip_proto_ver;
+	}
 #endif /* CONFIG_TESTING_OPTIONS */
 
 #ifdef CONFIG_DPP2
 	if (DPP_VERSION > 1) {
+		u8 ver = DPP_VERSION;
+#ifdef CONFIG_DPP3
+		int conn_ver;
+
+		conn_ver = dpp_get_connector_version(hapd->conf->dpp_connector);
+		if (conn_ver > 0 && ver != conn_ver) {
+			wpa_printf(MSG_DEBUG,
+				   "DPP: Use Connector version %d instead of current protocol version %d",
+				   conn_ver, ver);
+			ver = conn_ver;
+		}
+#endif /* CONFIG_DPP3 */
+
 		/* Protocol Version */
 		wpabuf_put_le16(msg, DPP_ATTR_PROTOCOL_VERSION);
 		wpabuf_put_le16(msg, 1);
-		wpabuf_put_u8(msg, DPP_VERSION);
+		wpabuf_put_u8(msg, ver);
 	}
 #endif /* CONFIG_DPP2 */
 
+#ifdef CONFIG_TESTING_OPTIONS
+skip_proto_ver:
+#endif /* CONFIG_TESTING_OPTIONS */
+
 	wpa_printf(MSG_DEBUG, "DPP: Send Peer Discovery Response to " MACSTR
 		   " status=%d", MAC2STR(src), status);
 	wpa_msg(hapd->msg_ctx, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR
@@ -1648,6 +1669,28 @@ static void hostapd_dpp_rx_peer_disc_req(struct hostapd_data *hapd,
 		return;
 	}
 
+#ifdef CONFIG_DPP3
+	if (intro.peer_version && intro.peer_version >= 2) {
+		const u8 *version;
+		u16 version_len;
+		u8 attr_version = 1;
+
+		version = dpp_get_attr(buf, len, DPP_ATTR_PROTOCOL_VERSION,
+				       &version_len);
+		if (version && version_len >= 1)
+			attr_version = version[0];
+		if (attr_version != intro.peer_version) {
+			wpa_printf(MSG_INFO,
+				   "DPP: Protocol version mismatch (Connector: %d Attribute: %d",
+				   intro.peer_version, attr_version);
+			hostapd_dpp_send_peer_disc_resp(hapd, src, freq,
+							trans_id[0],
+							DPP_STATUS_NO_MATCH);
+			return;
+		}
+	}
+#endif /* CONFIG_DPP3 */
+
 	if (!expire || (os_time_t) hapd->conf->dpp_netaccesskey_expiry < expire)
 		expire = hapd->conf->dpp_netaccesskey_expiry;
 	if (expire)
@@ -1670,7 +1713,7 @@ static void hostapd_dpp_rx_peer_disc_req(struct hostapd_data *hapd,
 static void
 hostapd_dpp_rx_pkex_exchange_req(struct hostapd_data *hapd, const u8 *src,
 				 const u8 *buf, size_t len,
-				 unsigned int freq)
+				 unsigned int freq, bool v2)
 {
 	struct wpabuf *msg;
 
@@ -1698,7 +1741,7 @@ hostapd_dpp_rx_pkex_exchange_req(struct hostapd_data *hapd, const u8 *src,
 						  hapd->own_addr, src,
 						  hapd->dpp_pkex_identifier,
 						  hapd->dpp_pkex_code,
-						  buf, len);
+						  buf, len, v2);
 	if (!hapd->dpp_pkex) {
 		wpa_printf(MSG_DEBUG,
 			   "DPP: Failed to process the request - ignore it");
@@ -1910,8 +1953,18 @@ void hostapd_dpp_rx_action(struct hostapd_data *hapd, const u8 *src,
 	case DPP_PA_PEER_DISCOVERY_REQ:
 		hostapd_dpp_rx_peer_disc_req(hapd, src, buf, len, freq);
 		break;
+#ifdef CONFIG_DPP3
 	case DPP_PA_PKEX_EXCHANGE_REQ:
-		hostapd_dpp_rx_pkex_exchange_req(hapd, src, buf, len, freq);
+		/* This is for PKEXv2, but for now, process only with
+		 * CONFIG_DPP3 to avoid issues with a capability that has not
+		 * been tested with other implementations. */
+		hostapd_dpp_rx_pkex_exchange_req(hapd, src, buf, len, freq,
+						 true);
+		break;
+#endif /* CONFIG_DPP3 */
+	case DPP_PA_PKEX_V1_EXCHANGE_REQ:
+		hostapd_dpp_rx_pkex_exchange_req(hapd, src, buf, len, freq,
+						 false);
 		break;
 	case DPP_PA_PKEX_EXCHANGE_RESP:
 		hostapd_dpp_rx_pkex_exchange_resp(hapd, src, buf, len, freq);
@@ -2118,23 +2171,25 @@ int hostapd_dpp_pkex_add(struct hostapd_data *hapd, const char *cmd)
 	if (!hapd->dpp_pkex_code)
 		return -1;
 
-	if (os_strstr(cmd, " init=1")) {
+	if (os_strstr(cmd, " init=1") || os_strstr(cmd, " init=2")) {
 		struct wpabuf *msg;
+		bool v2 = os_strstr(cmd, " init=2") != NULL;
 
 		wpa_printf(MSG_DEBUG, "DPP: Initiating PKEX");
 		dpp_pkex_free(hapd->dpp_pkex);
 		hapd->dpp_pkex = dpp_pkex_init(hapd->msg_ctx, own_bi,
 					       hapd->own_addr,
 					       hapd->dpp_pkex_identifier,
-					       hapd->dpp_pkex_code);
+					       hapd->dpp_pkex_code, v2);
 		if (!hapd->dpp_pkex)
 			return -1;
 
 		msg = hapd->dpp_pkex->exchange_req;
 		/* TODO: Which channel to use? */
 		wpa_msg(hapd->msg_ctx, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR
 			" freq=%u type=%d", MAC2STR(broadcast), 2437,
-			DPP_PA_PKEX_EXCHANGE_REQ);
+			v2 ? DPP_PA_PKEX_EXCHANGE_REQ :
+			DPP_PA_PKEX_V1_EXCHANGE_REQ);
 		hostapd_drv_send_action(hapd, 2437, 0, broadcast,
 					wpabuf_head(msg), wpabuf_len(msg));
 	}

contrib/wpa/src/ap/drv_callbacks.c

@@ -957,6 +957,12 @@ void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht,
 	hapd->iconf->ch_switch_vht_config = 0;
 	hapd->iconf->ch_switch_he_config = 0;
 
+	if (width == CHAN_WIDTH_40 || width == CHAN_WIDTH_80 ||
+	    width == CHAN_WIDTH_80P80 || width == CHAN_WIDTH_160)
+		hapd->iconf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
+	else if (width == CHAN_WIDTH_20 || width == CHAN_WIDTH_20_NOHT)
+		hapd->iconf->ht_capab &= ~HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
+
 	hapd->iconf->secondary_channel = offset;
 	hostapd_set_oper_chwidth(hapd->iconf, chwidth);
 	hostapd_set_oper_centr_freq_seg0_idx(hapd->iconf, seg0_idx);

contrib/wpa/src/ap/hostapd.c

@@ -3461,6 +3461,20 @@ static int hostapd_change_config_freq(struct hostapd_data *hapd,
 				    NULL))
 		return -1;
 
+	switch (params->bandwidth) {
+	case 0:
+	case 20:
+		conf->ht_capab &= ~HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
+		break;
+	case 40:
+	case 80:
+	case 160:
+		conf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
+		break;
+	default:
+		return -1;
+	}
+
 	switch (params->bandwidth) {
 	case 0:
 	case 20:
@@ -3482,6 +3496,7 @@ static int hostapd_change_config_freq(struct hostapd_data *hapd,
 
 	conf->channel = channel;
 	conf->ieee80211n = params->ht_enabled;
+	conf->ieee80211ac = params->vht_enabled;
 	conf->secondary_channel = params->sec_channel_offset;
 	ieee80211_freq_to_chan(params->center_freq1,
 			       &seg0);