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Code Issues Releases Wiki Activity

remove extra bytes reading

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This commit is contained in:
Darien Raymond
2018-07-09 17:26:43 +02:00
parent 81c9743ce0
commit 64a3333987
2 changed files with 4 additions and 27 deletions
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25
proxy/vmess/encoding/server.go
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@@ -15,7 +15,6 @@ import (
"v2ray.com/core/common/bitmask"
"v2ray.com/core/common/buf"
"v2ray.com/core/common/crypto"
"v2ray.com/core/common/dice"
"v2ray.com/core/common/net"
"v2ray.com/core/common/protocol"
"v2ray.com/core/common/serial"
@@ -175,20 +174,6 @@ func (s *ServerSession) DecodeRequestHeader(reader io.Reader) (*protocol.Request
// 1 bytes reserved
request.Command = protocol.RequestCommand(buffer.Byte(37))
var invalidRequestErr error
defer func() {
if invalidRequestErr != nil {
randomLen := dice.Roll(64) + 1
// Read random number of bytes for prevent detection.
buffer.AppendSupplier(buf.ReadFullFrom(decryptor, int32(randomLen))) // nolint: errcheck
}
}()
if request.Security == protocol.SecurityType_UNKNOWN || request.Security == protocol.SecurityType_AUTO {
invalidRequestErr = newError("unknown security type")
return nil, invalidRequestErr
}
switch request.Command {
case protocol.RequestCommandMux:
request.Address = net.DomainAddress("v1.mux.cool")
@@ -197,13 +182,7 @@ func (s *ServerSession) DecodeRequestHeader(reader io.Reader) (*protocol.Request
if addr, port, err := addrParser.ReadAddressPort(buffer, decryptor); err == nil {
request.Address = addr
request.Port = port
} else {
invalidRequestErr = newError("invalid address").Base(err)
return nil, invalidRequestErr
}
default:
invalidRequestErr = newError("invalid request command: ", request.Command)
return nil, invalidRequestErr
}
if padingLen > 0 {
@@ -229,6 +208,10 @@ func (s *ServerSession) DecodeRequestHeader(reader io.Reader) (*protocol.Request
return nil, newError("invalid remote address")
}
if request.Security == protocol.SecurityType_UNKNOWN || request.Security == protocol.SecurityType_AUTO {
return nil, newError("unknown security type: ", request.Security)
}
return request, nil
}