mirror of
https://github.com/SagerNet/sing-box.git
synced 2026-04-11 17:47:20 +10:00
135 lines
3.5 KiB
Go
135 lines
3.5 KiB
Go
package main
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import (
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"context"
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"net"
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"net/netip"
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"testing"
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"time"
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C "github.com/sagernet/sing-box/constant"
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"github.com/sagernet/sing-box/option"
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"github.com/sagernet/sing/common"
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F "github.com/sagernet/sing/common/format"
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"github.com/sagernet/sing/common/json/badoption"
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M "github.com/sagernet/sing/common/metadata"
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N "github.com/sagernet/sing/common/network"
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"github.com/sagernet/sing/protocol/socks"
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"github.com/stretchr/testify/require"
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)
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func TestSOCKSUDPTimeout(t *testing.T) {
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const testTimeout = 2 * time.Second
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udpTimeout := option.UDPTimeoutCompat(testTimeout)
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startInstance(t, option.Options{
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Inbounds: []option.Inbound{
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{
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Type: C.TypeSOCKS,
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Tag: "socks-in",
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Options: &option.SocksInboundOptions{
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ListenOptions: option.ListenOptions{
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Listen: common.Ptr(badoption.Addr(netip.IPv4Unspecified())),
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ListenPort: clientPort,
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UDPTimeout: udpTimeout,
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},
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},
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},
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},
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Outbounds: []option.Outbound{
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{
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Type: C.TypeDirect,
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},
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},
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})
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testUDPSessionIdleTimeout(t, clientPort, testPort, testTimeout)
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}
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func TestMixedUDPTimeout(t *testing.T) {
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const testTimeout = 2 * time.Second
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udpTimeout := option.UDPTimeoutCompat(testTimeout)
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startInstance(t, option.Options{
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Inbounds: []option.Inbound{
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{
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Type: C.TypeMixed,
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Tag: "mixed-in",
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Options: &option.HTTPMixedInboundOptions{
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ListenOptions: option.ListenOptions{
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Listen: common.Ptr(badoption.Addr(netip.IPv4Unspecified())),
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ListenPort: clientPort,
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UDPTimeout: udpTimeout,
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},
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},
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},
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},
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Outbounds: []option.Outbound{
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{
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Type: C.TypeDirect,
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},
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},
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})
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testUDPSessionIdleTimeout(t, clientPort, testPort, testTimeout)
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}
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func testUDPSessionIdleTimeout(t *testing.T, proxyPort uint16, echoPort uint16, expectedTimeout time.Duration) {
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echoServer, err := listenPacket("udp", ":"+F.ToString(echoPort))
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require.NoError(t, err)
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defer echoServer.Close()
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go func() {
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buffer := make([]byte, 1024)
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for {
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n, address, err := echoServer.ReadFrom(buffer)
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if err != nil {
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return
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}
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_, _ = echoServer.WriteTo(buffer[:n], address)
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}
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}()
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dialer := socks.NewClient(N.SystemDialer, M.ParseSocksaddrHostPort("127.0.0.1", proxyPort), socks.Version5, "", "")
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packetConn, err := dialer.ListenPacket(context.Background(), M.ParseSocksaddrHostPort("127.0.0.1", echoPort))
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require.NoError(t, err)
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defer packetConn.Close()
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remoteAddress := &net.UDPAddr{IP: net.ParseIP("127.0.0.1"), Port: int(echoPort)}
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_, err = packetConn.WriteTo([]byte("hello"), remoteAddress)
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require.NoError(t, err)
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buffer := make([]byte, 1024)
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packetConn.SetReadDeadline(time.Now().Add(5 * time.Second))
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n, _, err := packetConn.ReadFrom(buffer)
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require.NoError(t, err, "failed to receive echo response")
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require.Equal(t, "hello", string(buffer[:n]))
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t.Log("UDP echo successful, session established")
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packetConn.SetReadDeadline(time.Time{})
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waitTime := expectedTimeout + time.Second
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t.Logf("Waiting %v for UDP session to timeout...", waitTime)
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time.Sleep(waitTime)
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_, err = packetConn.WriteTo([]byte("after-timeout"), remoteAddress)
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if err != nil {
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t.Logf("Write after timeout correctly failed: %v", err)
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return
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}
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packetConn.SetReadDeadline(time.Now().Add(3 * time.Second))
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n, _, err = packetConn.ReadFrom(buffer)
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if err != nil {
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t.Logf("Read after timeout correctly failed: %v", err)
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return
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}
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t.Fatalf("UDP session should have timed out after %v, but received response: %s",
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expectedTimeout, string(buffer[:n]))
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}
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