Esempio n. 1
0
func (this *ClientSession) EncodeRequestHeader(header *protocol.RequestHeader, writer io.Writer) {
	timestamp := protocol.NewTimestampGenerator(protocol.NowTime(), 30)()
	idHash := this.idHash(header.User.AnyValidID().Bytes())
	idHash.Write(timestamp.Bytes())
	writer.Write(idHash.Sum(nil))

	buffer := alloc.NewSmallBuffer().Clear()
	defer buffer.Release()

	buffer.AppendBytes(Version)
	buffer.Append(this.requestBodyIV)
	buffer.Append(this.requestBodyKey)
	buffer.AppendBytes(this.responseHeader, byte(header.Option), byte(0), byte(0))
	buffer.AppendBytes(byte(header.Command))
	buffer.Append(header.Port.Bytes())

	switch {
	case header.Address.IsIPv4():
		buffer.AppendBytes(AddrTypeIPv4)
		buffer.Append(header.Address.IP())
	case header.Address.IsIPv6():
		buffer.AppendBytes(AddrTypeIPv6)
		buffer.Append(header.Address.IP())
	case header.Address.IsDomain():
		buffer.AppendBytes(AddrTypeDomain, byte(len(header.Address.Domain())))
		buffer.Append([]byte(header.Address.Domain()))
	}

	fnv1a := fnv.New32a()
	fnv1a.Write(buffer.Value)

	fnvHash := fnv1a.Sum32()
	buffer.AppendBytes(byte(fnvHash>>24), byte(fnvHash>>16), byte(fnvHash>>8), byte(fnvHash))

	timestampHash := md5.New()
	timestampHash.Write(hashTimestamp(timestamp))
	iv := timestampHash.Sum(nil)
	aesStream := crypto.NewAesEncryptionStream(header.User.ID.CmdKey(), iv)
	aesStream.XORKeyStream(buffer.Value, buffer.Value)
	writer.Write(buffer.Value)

	return
}
Esempio n. 2
0
func (this *ClientSession) EncodeRequestHeader(header *protocol.RequestHeader, writer io.Writer) {
	timestamp := protocol.NewTimestampGenerator(protocol.NowTime(), 30)()
	idHash := this.idHash(header.User.Account.(*protocol.VMessAccount).AnyValidID().Bytes())
	idHash.Write(timestamp.Bytes(nil))
	writer.Write(idHash.Sum(nil))

	buffer := make([]byte, 0, 512)
	buffer = append(buffer, Version)
	buffer = append(buffer, this.requestBodyIV...)
	buffer = append(buffer, this.requestBodyKey...)
	buffer = append(buffer, this.responseHeader, byte(header.Option), byte(0), byte(0), byte(header.Command))
	buffer = header.Port.Bytes(buffer)

	switch {
	case header.Address.IsIPv4():
		buffer = append(buffer, AddrTypeIPv4)
		buffer = append(buffer, header.Address.IP()...)
	case header.Address.IsIPv6():
		buffer = append(buffer, AddrTypeIPv6)
		buffer = append(buffer, header.Address.IP()...)
	case header.Address.IsDomain():
		buffer = append(buffer, AddrTypeDomain, byte(len(header.Address.Domain())))
		buffer = append(buffer, header.Address.Domain()...)
	}

	fnv1a := fnv.New32a()
	fnv1a.Write(buffer)

	buffer = fnv1a.Sum(buffer)

	timestampHash := md5.New()
	timestampHash.Write(hashTimestamp(timestamp))
	iv := timestampHash.Sum(nil)
	account := header.User.Account.(*protocol.VMessAccount)
	aesStream := crypto.NewAesEncryptionStream(account.ID.CmdKey(), iv)
	aesStream.XORKeyStream(buffer, buffer)
	writer.Write(buffer)

	return
}