v1.0.4: Fixes an issue where discovery would fail on the default interface if it's routed to a VPN tunnel.

Author: tempelmann

Resources/Info.plist

@@ -38,9 +38,9 @@
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.0.3</string>
+	<string>1.0.4</string>
 	<key>CFBundleVersion</key>
-	<string>5</string>
+	<string>6</string>
 	<key>LSApplicationCategoryType</key>
 	<string>public.app-category.utilities</string>
 	<key>LSMinimumSystemVersion</key>

SSDP Browser.xcodeproj/project.pbxproj

@@ -292,7 +292,6 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.13;
 				MTL_ENABLE_DEBUG_INFO = INCLUDE_SOURCE;
 				MTL_FAST_MATH = YES;
 				ONLY_ACTIVE_ARCH = YES;
@@ -349,7 +348,6 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.13;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				MTL_FAST_MATH = YES;
 				SDKROOT = macosx;

SSDPDiscovery.m

@@ -132,6 +132,12 @@ - (void) discoverServiceForDuration:(NSTimeInterval)duration searchTarget:(NSStr
 			if (error) {
 				[NSException raise:SSDPDiscoveryException format:@"bindToPort failed; %@", error];
 			}
+			if (useIP4) {
+				// Apparently needed when using a VPN that routes all traffic thru the tunnel
+				[socket sendIPv4MulticastOnInterface:interfaceForBind error:nil];
+			} else {
+				[socket sendIPv6MulticastOnInterface:interfaceForBind error:nil];
+			}
 			[socket beginReceiving:&error];
 			if (error) {
 				[NSException raise:SSDPDiscoveryException format:@"bindToPort failed; %@", error];