Fix shadowsocks AEAD UDP server

test/shadowsocks_legacy_test.go

@@ -0,0 +1,53 @@
+package main
+
+import (
+	"net/netip"
+	"testing"
+
+	C "github.com/sagernet/sing-box/constant"
+	"github.com/sagernet/sing-box/option"
+	"github.com/sagernet/sing-shadowsocks2/shadowstream"
+	F "github.com/sagernet/sing/common/format"
+)
+
+func TestShadowsocksLegacy(t *testing.T) {
+	testShadowsocksLegacy(t, shadowstream.MethodList[0])
+}
+
+func testShadowsocksLegacy(t *testing.T, method string) {
+	startDockerContainer(t, DockerOptions{
+		Image: ImageShadowsocksLegacy,
+		Ports: []uint16{serverPort},
+		Env: []string{
+			"SS_MODULE=ss-server",
+			F.ToString("SS_CONFIG=-s 0.0.0.0 -u -p 10000 -m ", method, " -k FzcLbKs2dY9mhL"),
+		},
+	})
+	startInstance(t, option.Options{
+		Inbounds: []option.Inbound{
+			{
+				Type: C.TypeMixed,
+				MixedOptions: option.HTTPMixedInboundOptions{
+					ListenOptions: option.ListenOptions{
+						Listen:     option.NewListenAddress(netip.IPv4Unspecified()),
+						ListenPort: clientPort,
+					},
+				},
+			},
+		},
+		Outbounds: []option.Outbound{
+			{
+				Type: C.TypeShadowsocks,
+				ShadowsocksOptions: option.ShadowsocksOutboundOptions{
+					ServerOptions: option.ServerOptions{
+						Server:     "127.0.0.1",
+						ServerPort: serverPort,
+					},
+					Method:   method,
+					Password: "FzcLbKs2dY9mhL",
+				},
+			},
+		},
+	})
+	testSuitSimple(t, clientPort, testPort)
+}