mirror of
https://github.com/fatedier/frp.git
synced 2026-04-27 11:29:09 +08:00
121 lines
3.1 KiB
Go
121 lines
3.1 KiB
Go
// Copyright 2026 The frp Authors
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package wire
|
|
|
|
import (
|
|
"bytes"
|
|
"encoding/binary"
|
|
"io"
|
|
"net"
|
|
"testing"
|
|
|
|
"github.com/stretchr/testify/require"
|
|
)
|
|
|
|
func TestFrameRoundTrip(t *testing.T) {
|
|
var buf bytes.Buffer
|
|
conn := NewConn(&buf)
|
|
|
|
in := DefaultClientHello(BootstrapInfo{
|
|
Transport: "tcp",
|
|
TLS: true,
|
|
TCPMux: true,
|
|
})
|
|
require.NoError(t, conn.WriteJSONFrame(FrameTypeClientHello, in))
|
|
|
|
var out ClientHello
|
|
require.NoError(t, conn.ReadJSONFrame(FrameTypeClientHello, &out))
|
|
require.Equal(t, in, out)
|
|
}
|
|
|
|
func TestReadFrameRejectsUnsupportedFlags(t *testing.T) {
|
|
var buf bytes.Buffer
|
|
header := make([]byte, 8)
|
|
binary.BigEndian.PutUint16(header[0:2], FrameTypeMessage)
|
|
binary.BigEndian.PutUint16(header[2:4], 1)
|
|
binary.BigEndian.PutUint32(header[4:8], 0)
|
|
buf.Write(header)
|
|
|
|
_, err := NewConn(&buf).ReadFrame()
|
|
require.ErrorContains(t, err, "unsupported frame flags")
|
|
}
|
|
|
|
func TestReadFrameRejectsOversizedPayload(t *testing.T) {
|
|
var buf bytes.Buffer
|
|
header := make([]byte, 8)
|
|
binary.BigEndian.PutUint16(header[0:2], FrameTypeMessage)
|
|
binary.BigEndian.PutUint32(header[4:8], DefaultMaxFramePayloadSize+1)
|
|
buf.Write(header)
|
|
|
|
_, err := NewConn(&buf).ReadFrame()
|
|
require.ErrorContains(t, err, "exceeds limit")
|
|
}
|
|
|
|
func TestCheckMagicV2ConsumesMagic(t *testing.T) {
|
|
client, server := net.Pipe()
|
|
defer server.Close()
|
|
|
|
want := []byte("payload")
|
|
go func() {
|
|
defer client.Close()
|
|
_, _ = client.Write(append([]byte(MagicV2), want...))
|
|
}()
|
|
|
|
out, isV2, err := CheckMagic(server)
|
|
require.NoError(t, err)
|
|
require.True(t, isV2)
|
|
|
|
got := make([]byte, len(want))
|
|
_, err = io.ReadFull(out, got)
|
|
require.NoError(t, err)
|
|
require.Equal(t, want, got)
|
|
}
|
|
|
|
func TestWriteMagicIfV2(t *testing.T) {
|
|
var buf bytes.Buffer
|
|
require.NoError(t, WriteMagicIfV2(&buf, ProtocolV1))
|
|
require.Empty(t, buf.Bytes())
|
|
|
|
require.NoError(t, WriteMagicIfV2(&buf, ProtocolV2))
|
|
require.Equal(t, []byte(MagicV2), buf.Bytes())
|
|
}
|
|
|
|
func TestCheckMagicV1PreservesReadBytes(t *testing.T) {
|
|
client, server := net.Pipe()
|
|
defer server.Close()
|
|
|
|
want := []byte("legacy payload")
|
|
go func() {
|
|
defer client.Close()
|
|
_, _ = client.Write(want)
|
|
}()
|
|
|
|
out, isV2, err := CheckMagic(server)
|
|
require.NoError(t, err)
|
|
require.False(t, isV2)
|
|
|
|
got, err := io.ReadAll(out)
|
|
require.NoError(t, err)
|
|
require.Equal(t, want, got)
|
|
}
|
|
|
|
func TestValidateClientHello(t *testing.T) {
|
|
require.NoError(t, ValidateClientHello(DefaultClientHello(BootstrapInfo{})))
|
|
|
|
hello := DefaultClientHello(BootstrapInfo{})
|
|
hello.Capabilities.Message.Codecs = []string{"unknown"}
|
|
require.ErrorContains(t, ValidateClientHello(hello), "unsupported message codec")
|
|
}
|