Refactor wireguard & add tun support

test/config/wireguard.conf

@@ -1,6 +1,6 @@
 [Interface]
 PrivateKey = gHWUGzTh5YCEV6k8dneVP537XhVtoQJPIlFNs2zsxlE=
-Address = 10.0.0.1/24
+Address = 10.0.0.1/32
 ListenPort = 10000
 
 [Peer]

test/wireguard_test.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"net/netip"
+	"os"
 	"testing"
 	"time"
 
@@ -40,7 +41,7 @@ func TestWireGuard(t *testing.T) {
 						Server:     "127.0.0.1",
 						ServerPort: serverPort,
 					},
-					LocalAddress:  []string{"10.0.0.2/32"},
+					LocalAddress:  []option.ListenPrefix{option.ListenPrefix(netip.MustParsePrefix("10.0.0.2/32"))},
 					PrivateKey:    "qGnwlkZljMxeECW8fbwAWdvgntnbK7B8UmMFl3zM0mk=",
 					PeerPublicKey: "QsdcBm+oJw2oNv0cIFXLIq1E850lgTBonup4qnKEQBg=",
 				},
@@ -49,3 +50,49 @@ func TestWireGuard(t *testing.T) {
 	})
 	testSuitWg(t, clientPort, testPort)
 }
+
+func TestWireGuardSystem(t *testing.T) {
+	if os.Getuid() != 0 {
+		t.Skip("requires root")
+	}
+	startDockerContainer(t, DockerOptions{
+		Image: ImageBoringTun,
+		Cap:   []string{"MKNOD", "NET_ADMIN", "NET_RAW"},
+		Ports: []uint16{serverPort, testPort},
+		Bind: map[string]string{
+			"wireguard.conf": "/etc/wireguard/wg0.conf",
+		},
+		Cmd: []string{"wg0"},
+	})
+	time.Sleep(5 * time.Second)
+	startInstance(t, option.Options{
+		Inbounds: []option.Inbound{
+			{
+				Type: C.TypeMixed,
+				MixedOptions: option.HTTPMixedInboundOptions{
+					ListenOptions: option.ListenOptions{
+						Listen:     option.ListenAddress(netip.IPv4Unspecified()),
+						ListenPort: clientPort,
+					},
+				},
+			},
+		},
+		Outbounds: []option.Outbound{
+			{
+				Type: C.TypeWireGuard,
+				WireGuardOptions: option.WireGuardOutboundOptions{
+					InterfaceName: "wg",
+					ServerOptions: option.ServerOptions{
+						Server:     "127.0.0.1",
+						ServerPort: serverPort,
+					},
+					LocalAddress:  []option.ListenPrefix{option.ListenPrefix(netip.MustParsePrefix("10.0.0.2/32"))},
+					PrivateKey:    "qGnwlkZljMxeECW8fbwAWdvgntnbK7B8UmMFl3zM0mk=",
+					PeerPublicKey: "QsdcBm+oJw2oNv0cIFXLIq1E850lgTBonup4qnKEQBg=",
+				},
+			},
+		},
+	})
+	time.Sleep(10 * time.Second)
+	testSuitWg(t, clientPort, testPort)
+}