1 files changed, 23 insertions, 0 deletions
diff --git a/WireGuard/WireGuardNetworkExtension/PacketTunnelSettingsGenerator.swift b/WireGuard/WireGuardNetworkExtension/PacketTunnelSettingsGenerator.swift
index a4ff7dd..cc491af 100644
--- a/WireGuard/WireGuardNetworkExtension/PacketTunnelSettingsGenerator.swift
+++ b/WireGuard/WireGuardNetworkExtension/PacketTunnelSettingsGenerator.swift
@@ -97,13 +97,16 @@ class PacketTunnelSettingsGenerator {
 
         let (ipv4Routes, ipv6Routes) = routes()
         let (ipv4IncludedRoutes, ipv6IncludedRoutes) = includedRoutes()
+        let (ipv4ExcludedRoutes, ipv6ExcludedRoutes) = excludedRoutes()
 
         let ipv4Settings = NEIPv4Settings(addresses: ipv4Routes.map { $0.destinationAddress }, subnetMasks: ipv4Routes.map { $0.destinationSubnetMask })
         ipv4Settings.includedRoutes = ipv4IncludedRoutes
+        ipv4Settings.excludedRoutes = ipv4ExcludedRoutes
         networkSettings.ipv4Settings = ipv4Settings
 
         let ipv6Settings = NEIPv6Settings(addresses: ipv6Routes.map { $0.destinationAddress }, networkPrefixLengths: ipv6Routes.map { $0.destinationNetworkPrefixLength })
         ipv6Settings.includedRoutes = ipv6IncludedRoutes
+        ipv6Settings.excludedRoutes = ipv6ExcludedRoutes
         networkSettings.ipv6Settings = ipv6Settings
 
         return networkSettings
@@ -153,4 +156,24 @@ class PacketTunnelSettingsGenerator {
         }
         return (ipv4IncludedRoutes, ipv6IncludedRoutes)
     }
+    private func excludedRoutes() -> ([NEIPv4Route]?, [NEIPv6Route]?) {
+        #if os(macOS)
+        return (nil, nil)
+        #elseif os(iOS)
+        var ipv4ExcludedRoutes = [NEIPv4Route]()
+        var ipv6ExcludedRoutes = [NEIPv6Route]()
+        for endpoint in resolvedEndpoints {
+            guard let host = endpoint?.host else { continue }
+            switch host {
+            case .ipv4(let v4):
+                ipv4ExcludedRoutes.append(NEIPv4Route(destinationAddress: "\(v4)", subnetMask: "255.255.255.255"))
+            case .ipv6(let v6):
+                ipv6ExcludedRoutes.append(NEIPv6Route(destinationAddress: "\(v6)", networkPrefixLength: 128))
+            default:
+                continue
+            }
+        }
+        return (ipv4ExcludedRoutes, ipv6ExcludedRoutes)
+        #endif
+    }
 }