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remove unnecessary use of buffer

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v2ray 2016-07-16 12:11:45 +02:00
parent e586f3c127
commit 8d3da0ed8e
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GPG Key ID: 7251FFA14BB18169
1 changed files with 23 additions and 26 deletions
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49
common/protocol/raw/server.go
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@ -5,7 +5,6 @@ import (
"hash/fnv"
"io"
"github.com/v2ray/v2ray-core/common/alloc"
"github.com/v2ray/v2ray-core/common/crypto"
"github.com/v2ray/v2ray-core/common/log"
v2net "github.com/v2ray/v2ray-core/common/net"
@ -43,16 +42,15 @@ func (this *ServerSession) Release() {
}
func (this *ServerSession) DecodeRequestHeader(reader io.Reader) (*protocol.RequestHeader, error) {
buffer := alloc.NewSmallBuffer()
defer buffer.Release()
buffer := make([]byte, 512)
_, err := io.ReadFull(reader, buffer.Value[:protocol.IDBytesLen])
_, err := io.ReadFull(reader, buffer[:protocol.IDBytesLen])
if err != nil {
log.Info("Raw: Failed to read request header: ", err)
return nil, io.EOF
}
user, timestamp, valid := this.userValidator.Get(buffer.Value[:protocol.IDBytesLen])
user, timestamp, valid := this.userValidator.Get(buffer[:protocol.IDBytesLen])
if !valid {
return nil, protocol.ErrInvalidUser
}
@ -64,7 +62,7 @@ func (this *ServerSession) DecodeRequestHeader(reader io.Reader) (*protocol.Requ
aesStream := crypto.NewAesDecryptionStream(account.ID.CmdKey(), iv)
decryptor := crypto.NewCryptionReader(aesStream, reader)
nBytes, err := io.ReadFull(decryptor, buffer.Value[:41])
nBytes, err := io.ReadFull(decryptor, buffer[:41])
if err != nil {
log.Debug("Raw: Failed to read request header (", nBytes, " bytes): ", err)
return nil, err
@ -73,7 +71,7 @@ func (this *ServerSession) DecodeRequestHeader(reader io.Reader) (*protocol.Requ
request := &protocol.RequestHeader{
User: user,
Version: buffer.Value[0],
Version: buffer[0],
}
if request.Version != Version {
@ -81,61 +79,60 @@ func (this *ServerSession) DecodeRequestHeader(reader io.Reader) (*protocol.Requ
return nil, protocol.ErrInvalidVersion
}
this.requestBodyIV = append([]byte(nil), buffer.Value[1:17]...) // 16 bytes
this.requestBodyKey = append([]byte(nil), buffer.Value[17:33]...) // 16 bytes
this.responseHeader = buffer.Value[33] // 1 byte
request.Option = protocol.RequestOption(buffer.Value[34]) // 1 byte + 2 bytes reserved
request.Command = protocol.RequestCommand(buffer.Value[37])
this.requestBodyIV = append([]byte(nil), buffer[1:17]...) // 16 bytes
this.requestBodyKey = append([]byte(nil), buffer[17:33]...) // 16 bytes
this.responseHeader = buffer[33] // 1 byte
request.Option = protocol.RequestOption(buffer[34]) // 1 byte + 2 bytes reserved
request.Command = protocol.RequestCommand(buffer[37])
request.Port = v2net.PortFromBytes(buffer.Value[38:40])
request.Port = v2net.PortFromBytes(buffer[38:40])
switch buffer.Value[40] {
switch buffer[40] {
case AddrTypeIPv4:
nBytes, err = io.ReadFull(decryptor, buffer.Value[41:45]) // 4 bytes
nBytes, err = io.ReadFull(decryptor, buffer[41:45]) // 4 bytes
bufferLen += 4
if err != nil {
log.Debug("VMess: Failed to read target IPv4 (", nBytes, " bytes): ", err)
return nil, err
}
request.Address = v2net.IPAddress(buffer.Value[41:45])
request.Address = v2net.IPAddress(buffer[41:45])
case AddrTypeIPv6:
nBytes, err = io.ReadFull(decryptor, buffer.Value[41:57]) // 16 bytes
nBytes, err = io.ReadFull(decryptor, buffer[41:57]) // 16 bytes
bufferLen += 16
if err != nil {
log.Debug("VMess: Failed to read target IPv6 (", nBytes, " bytes): ", nBytes, err)
return nil, err
}
request.Address = v2net.IPAddress(buffer.Value[41:57])
request.Address = v2net.IPAddress(buffer[41:57])
case AddrTypeDomain:
nBytes, err = io.ReadFull(decryptor, buffer.Value[41:42])
nBytes, err = io.ReadFull(decryptor, buffer[41:42])
if err != nil {
log.Debug("VMess: Failed to read target domain (", nBytes, " bytes): ", nBytes, err)
return nil, err
}
domainLength := int(buffer.Value[41])
domainLength := int(buffer[41])
if domainLength == 0 {
return nil, transport.ErrCorruptedPacket
}
nBytes, err = io.ReadFull(decryptor, buffer.Value[42:42+domainLength])
nBytes, err = io.ReadFull(decryptor, buffer[42:42+domainLength])
if err != nil {
log.Debug("VMess: Failed to read target domain (", nBytes, " bytes): ", nBytes, err)
return nil, err
}
bufferLen += 1 + domainLength
domainBytes := append([]byte(nil), buffer.Value[42:42+domainLength]...)
request.Address = v2net.DomainAddress(string(domainBytes))
request.Address = v2net.DomainAddress(string(buffer[42 : 42+domainLength]))
}
nBytes, err = io.ReadFull(decryptor, buffer.Value[bufferLen:bufferLen+4])
nBytes, err = io.ReadFull(decryptor, buffer[bufferLen:bufferLen+4])
if err != nil {
log.Debug("VMess: Failed to read checksum (", nBytes, " bytes): ", nBytes, err)
return nil, err
}
fnv1a := fnv.New32a()
fnv1a.Write(buffer.Value[:bufferLen])
fnv1a.Write(buffer[:bufferLen])
actualHash := fnv1a.Sum32()
expectedHash := serial.BytesToUint32(buffer.Value[bufferLen : bufferLen+4])
expectedHash := serial.BytesToUint32(buffer[bufferLen : bufferLen+4])
if actualHash != expectedHash {
return nil, transport.ErrCorruptedPacket