P2PS: Authorize any peer for P2PS method if interface address not known

When P2PS PD with default P2PS method is done, the peer that becomes GO
should authorize the client. However, P2PS specification doesn't require
the client to include its intended interface address in PD
Request/Response. As a result, the P2P Client's interface address may not
be known and any address may need to be authorized.

Previously, client's P2P Device Address was used for authorization,
which is not correct when a dedicated interface is used for P2P Client.
This is not resulting in a connection failure, however it causes a
significant delay (until WPS_PIN_TIME_IGNORE_SEL_REG elapses). Fix this
by authorizing the intended interface address, if known; or any address,
if not known.

Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>

wpa_supplicant/ctrl_iface.c

@@ -5980,6 +5980,7 @@ static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
 	os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
 	wpa_s->force_long_sd = 0;
 	wpas_p2p_stop_find(wpa_s);
+	wpa_s->parent->p2ps_method_config_any = 0;
 	if (wpa_s->global->p2p)
 		p2p_flush(wpa_s->global->p2p);
 }

wpa_supplicant/p2p_supplicant.c

@@ -1714,14 +1714,22 @@ static void p2p_go_configured(void *ctx, void *data)
 				       params->persistent_group, "");
 		wpa_s->group_formation_reported = 1;
 
-		if (wpa_s->parent->p2ps_join_addr_valid) {
-			wpa_dbg(wpa_s, MSG_DEBUG,
-				"P2PS: Setting default PIN for " MACSTR,
-				MAC2STR(wpa_s->parent->p2ps_join_addr));
-			wpa_supplicant_ap_wps_pin(wpa_s,
-						  wpa_s->parent->p2ps_join_addr,
-						  "12345670", NULL, 0, 0);
-			wpa_s->parent->p2ps_join_addr_valid = 0;
+		if (wpa_s->parent->p2ps_method_config_any) {
+			if (is_zero_ether_addr(wpa_s->parent->p2ps_join_addr)) {
+				wpa_dbg(wpa_s, MSG_DEBUG,
+					"P2PS: Setting default PIN for ANY");
+				wpa_supplicant_ap_wps_pin(wpa_s, NULL,
+							  "12345670", NULL, 0,
+							  0);
+			} else {
+				wpa_dbg(wpa_s, MSG_DEBUG,
+					"P2PS: Setting default PIN for " MACSTR,
+					MAC2STR(wpa_s->parent->p2ps_join_addr));
+				wpa_supplicant_ap_wps_pin(
+					wpa_s, wpa_s->parent->p2ps_join_addr,
+					"12345670", NULL, 0, 0);
+			}
+			wpa_s->parent->p2ps_method_config_any = 0;
 		}
 
 		os_get_reltime(&wpa_s->global->p2p_go_wait_client);
@@ -3922,25 +3930,31 @@ static void wpas_p2ps_prov_complete(void *ctx, u8 status, const u8 *dev,
 			}
 
 			if (passwd_id == DEV_PW_P2PS_DEFAULT) {
-				os_memcpy(wpa_s->p2ps_join_addr, dev, ETH_ALEN);
-				wpa_s->p2ps_join_addr_valid = 1;
-				wpa_dbg(wpa_s, MSG_DEBUG,
-					"P2PS: Saving PIN for " MACSTR,
-					MAC2STR(dev));
+				os_memcpy(wpa_s->p2ps_join_addr, grp_mac,
+					  ETH_ALEN);
+				wpa_s->p2ps_method_config_any = 1;
 			}
 		} else if (passwd_id == DEV_PW_P2PS_DEFAULT) {
 			os_memcpy(go_ifname, go_wpa_s->ifname,
 				  sizeof(go_ifname));
 
-			wpa_dbg(go_wpa_s, MSG_DEBUG,
-				"P2P: Setting PIN-1 For " MACSTR, MAC2STR(dev));
-			wpa_supplicant_ap_wps_pin(go_wpa_s, dev, "12345670",
-						  NULL, 0, 0);
+			if (is_zero_ether_addr(grp_mac)) {
+				wpa_dbg(go_wpa_s, MSG_DEBUG,
+					"P2P: Setting PIN-1 for ANY");
+				wpa_supplicant_ap_wps_pin(go_wpa_s, NULL,
+							  "12345670", NULL, 0,
+							  0);
+			} else {
+				wpa_dbg(go_wpa_s, MSG_DEBUG,
+					"P2P: Setting PIN-1 for " MACSTR,
+					MAC2STR(grp_mac));
+				wpa_supplicant_ap_wps_pin(go_wpa_s, grp_mac,
+							  "12345670", NULL, 0,
+							  0);
+			}
 
-			os_memcpy(wpa_s->p2ps_join_addr, dev, ETH_ALEN);
-			wpa_s->p2ps_join_addr_valid = 1;
-			wpa_dbg(wpa_s, MSG_DEBUG,
-				"P2PS: Saving PIN for " MACSTR, MAC2STR(dev));
+			os_memcpy(wpa_s->p2ps_join_addr, grp_mac, ETH_ALEN);
+			wpa_s->p2ps_method_config_any = 1;
 		}
 
 		wpa_msg_global(wpa_s, MSG_INFO,
@@ -5075,6 +5089,7 @@ int wpas_p2p_connect(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
 
 	wpa_s->global->p2p_fail_on_wps_complete = 0;
 	wpa_s->global->pending_p2ps_group = 0;
+	wpa_s->p2ps_method_config_any = 0;
 
 	if (go_intent < 0)
 		go_intent = wpa_s->conf->p2p_go_intent;

wpa_supplicant/wpa_supplicant_i.h

@@ -820,7 +820,7 @@ struct wpa_supplicant {
 	unsigned int p2p_nfc_tag_enabled:1;
 	unsigned int p2p_peer_oob_pk_hash_known:1;
 	unsigned int p2p_disable_ip_addr_req:1;
-	unsigned int p2ps_join_addr_valid:1;
+	unsigned int p2ps_method_config_any:1;
 	unsigned int p2p_cli_probe:1;
 	int p2p_persistent_go_freq;
 	int p2p_persistent_id;