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Salamander finalmask: Support packetSize (Gecko in Hysteria v2.9.2) (#6198)

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And some other refinements

https://github.com/XTLS/Xray-core/pull/6198#issuecomment-4567438813

Example: https://github.com/XTLS/Xray-core/pull/6198#issue-4522226670
This commit is contained in:
LjhAUMEM
2026-05-29 16:36:45 +08:00
committed by RPRX
parent 36303694d1
commit 66a8100737
17 changed files with 587 additions and 361 deletions
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transport/internet/finalmask/udp_test.go
-44
View File
@@ -462,50 +462,6 @@ func TestUDPcustomStaticHeaderWireShape(t *testing.T) {
}
}
func TestUDPcustomServerRejectsMismatchedStaticHeader(t *testing.T) {
cfg := &custom.UDPConfig{
Client: []*custom.UDPItem{
{Packet: []byte{0x01, 0x02}},
},
Server: []*custom.UDPItem{
{Packet: []byte{0x03}},
},
}
maskManager := finalmask.NewUdpmaskManager([]finalmask.Udpmask{cfg})
clientRaw, err := net.ListenPacket("udp", "127.0.0.1:0")
if err != nil {
t.Fatal(err)
}
defer clientRaw.Close()
serverRaw, err := net.ListenPacket("udp", "127.0.0.1:0")
if err != nil {
t.Fatal(err)
}
defer serverRaw.Close()
server, err := maskManager.WrapPacketConnServer(serverRaw)
if err != nil {
t.Fatal(err)
}
_ = server.SetDeadline(time.Now().Add(200 * time.Millisecond))
if _, err := clientRaw.WriteTo([]byte{0x09, 0x09, 'b', 'a', 'd'}, server.LocalAddr()); err != nil {
t.Fatal(err)
}
buf := make([]byte, 128)
n, _, err := server.ReadFrom(buf)
if n != 0 {
t.Fatalf("expected no payload on mismatched header, got %d bytes", n)
}
if err != nil {
t.Fatalf("expected mismatch to be dropped without surfaced error, got %v", err)
}
}
func TestUDPcustomStandaloneClientSendsDetachedHandshakeBeforePayload(t *testing.T) {
_, serverRaw, client, _ := newUDPClientServerPair(t, newStandaloneEchoUDPConfig())