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Add mux server and XUDP client for VMess

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This commit is contained in:
世界
2022-09-17 11:54:04 +08:00
parent ab436fc137
commit 63fc95b96d
13 changed files with 216 additions and 234 deletions
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36
transport/vless/protocol.go
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@@ -4,6 +4,7 @@ import (
"encoding/binary"
"io"
"github.com/sagernet/sing-vmess"
"github.com/sagernet/sing/common"
"github.com/sagernet/sing/common/buf"
E "github.com/sagernet/sing/common/exceptions"
@@ -11,20 +12,7 @@ import (
"github.com/sagernet/sing/common/rw"
)
const (
Version = 0
CommandTCP = 1
CommandUDP = 2
CommandMux = 3
NetworkUDP = 2
)
var AddressSerializer = M.NewSerializer(
M.AddressFamilyByte(0x01, M.AddressFamilyIPv4),
M.AddressFamilyByte(0x02, M.AddressFamilyFqdn),
M.AddressFamilyByte(0x03, M.AddressFamilyIPv6),
M.PortThenAddress(),
)
const Version = 0
type Request struct {
UUID []byte
@@ -38,7 +26,9 @@ func WriteRequest(writer io.Writer, request Request, payload []byte) error {
requestLen += 16 // uuid
requestLen += 1 // protobuf length
requestLen += 1 // command
requestLen += AddressSerializer.AddrPortLen(request.Destination)
if request.Command != vmess.CommandMux {
requestLen += vmess.AddressSerializer.AddrPortLen(request.Destination)
}
requestLen += len(payload)
_buffer := buf.StackNewSize(requestLen)
defer common.KeepAlive(_buffer)
@@ -48,10 +38,14 @@ func WriteRequest(writer io.Writer, request Request, payload []byte) error {
buffer.WriteByte(Version),
common.Error(buffer.Write(request.UUID)),
buffer.WriteByte(0),
buffer.WriteByte(CommandTCP),
AddressSerializer.WriteAddrPort(buffer, request.Destination),
common.Error(buffer.Write(payload)),
buffer.WriteByte(request.Command),
)
if request.Command != vmess.CommandMux {
common.Must(vmess.AddressSerializer.WriteAddrPort(buffer, request.Destination))
}
common.Must1(buffer.Write(payload))
return common.Error(writer.Write(buffer.Bytes()))
}
@@ -61,7 +55,7 @@ func WritePacketRequest(writer io.Writer, request Request, payload []byte) error
requestLen += 16 // uuid
requestLen += 1 // protobuf length
requestLen += 1 // command
requestLen += AddressSerializer.AddrPortLen(request.Destination)
requestLen += vmess.AddressSerializer.AddrPortLen(request.Destination)
if len(payload) > 0 {
requestLen += 2
requestLen += len(payload)
@@ -74,8 +68,8 @@ func WritePacketRequest(writer io.Writer, request Request, payload []byte) error
buffer.WriteByte(Version),
common.Error(buffer.Write(request.UUID)),
buffer.WriteByte(0),
buffer.WriteByte(CommandUDP),
AddressSerializer.WriteAddrPort(buffer, request.Destination),
buffer.WriteByte(vmess.CommandUDP),
vmess.AddressSerializer.WriteAddrPort(buffer, request.Destination),
binary.Write(buffer, binary.BigEndian, uint16(len(payload))),
common.Error(buffer.Write(payload)),
)