From 4444cc985d1dfd7251c189d981fe2c2aa8308bbb Mon Sep 17 00:00:00 2001 From: Darien Raymond Date: Sun, 5 Nov 2017 22:13:15 +0100 Subject: [PATCH] http proxy in transparent mode --- proxy/http/config.pb.go | 46 +++++++++++++++++++++++++---------------- proxy/http/config.proto | 1 + proxy/http/server.go | 7 +++++-- 3 files changed, 34 insertions(+), 20 deletions(-) diff --git a/proxy/http/config.pb.go b/proxy/http/config.pb.go index 37df52f0a..0b4170a5e 100644 --- a/proxy/http/config.pb.go +++ b/proxy/http/config.pb.go @@ -17,8 +17,9 @@ const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package // Config for HTTP proxy server. type ServerConfig struct { - Timeout uint32 `protobuf:"varint,1,opt,name=timeout" json:"timeout,omitempty"` - Accounts map[string]string `protobuf:"bytes,2,rep,name=accounts" json:"accounts,omitempty" protobuf_key:"bytes,1,opt,name=key" protobuf_val:"bytes,2,opt,name=value"` + Timeout uint32 `protobuf:"varint,1,opt,name=timeout" json:"timeout,omitempty"` + Accounts map[string]string `protobuf:"bytes,2,rep,name=accounts" json:"accounts,omitempty" protobuf_key:"bytes,1,opt,name=key" protobuf_val:"bytes,2,opt,name=value"` + AllowTransparent bool `protobuf:"varint,3,opt,name=allow_transparent,json=allowTransparent" json:"allow_transparent,omitempty"` } func (m *ServerConfig) Reset() { *m = ServerConfig{} } @@ -40,6 +41,13 @@ func (m *ServerConfig) GetAccounts() map[string]string { return nil } +func (m *ServerConfig) GetAllowTransparent() bool { + if m != nil { + return m.AllowTransparent + } + return false +} + // ClientConfig for HTTP proxy client. type ClientConfig struct { } @@ -57,20 +65,22 @@ func init() { func init() { proto.RegisterFile("v2ray.com/core/proxy/http/config.proto", fileDescriptor0) } var fileDescriptor0 = []byte{ - // 238 bytes of a gzipped FileDescriptorProto - 0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0x52, 0x2b, 0x33, 0x2a, 0x4a, - 0xac, 0xd4, 0x4b, 0xce, 0xcf, 0xd5, 0x4f, 0xce, 0x2f, 0x4a, 0xd5, 0x2f, 0x28, 0xca, 0xaf, 0xa8, - 0xd4, 0xcf, 0x28, 0x29, 0x29, 0xd0, 0x4f, 0xce, 0xcf, 0x4b, 0xcb, 0x4c, 0xd7, 0x2b, 0x28, 0xca, - 0x2f, 0xc9, 0x17, 0x12, 0x85, 0xa9, 0x2b, 0x4a, 0xd5, 0x03, 0xab, 0xd1, 0x03, 0xa9, 0x51, 0xda, - 0xc2, 0xc8, 0xc5, 0x13, 0x9c, 0x5a, 0x54, 0x96, 0x5a, 0xe4, 0x0c, 0x56, 0x2d, 0x24, 0xc1, 0xc5, - 0x5e, 0x92, 0x99, 0x9b, 0x9a, 0x5f, 0x5a, 0x22, 0xc1, 0xa8, 0xc0, 0xa8, 0xc1, 0x1b, 0x04, 0xe3, - 0x0a, 0xf9, 0x72, 0x71, 0x24, 0x26, 0x27, 0xe7, 0x97, 0xe6, 0x95, 0x14, 0x4b, 0x30, 0x29, 0x30, - 0x6b, 0x70, 0x1b, 0x19, 0xea, 0x61, 0x35, 0x54, 0x0f, 0xd9, 0x40, 0x3d, 0x47, 0xa8, 0x1e, 0xd7, - 0xbc, 0x92, 0xa2, 0xca, 0x20, 0xb8, 0x11, 0x52, 0xd6, 0x5c, 0xbc, 0x28, 0x52, 0x42, 0x02, 0x5c, - 0xcc, 0xd9, 0xa9, 0x95, 0x60, 0x5b, 0x39, 0x83, 0x40, 0x4c, 0x21, 0x11, 0x2e, 0xd6, 0xb2, 0xc4, - 0x9c, 0xd2, 0x54, 0x09, 0x26, 0xb0, 0x18, 0x84, 0x63, 0xc5, 0x64, 0xc1, 0xa8, 0xc4, 0xc7, 0xc5, - 0xe3, 0x9c, 0x93, 0x99, 0x9a, 0x57, 0x02, 0xb1, 0xc4, 0xc9, 0x9a, 0x4b, 0x32, 0x39, 0x3f, 0x17, - 0xbb, 0x73, 0x02, 0x18, 0xa3, 0x58, 0x40, 0xf4, 0x2a, 0x26, 0xd1, 0x30, 0xa3, 0xa0, 0xc4, 0x4a, - 0x3d, 0x67, 0x90, 0x7c, 0x00, 0x58, 0xde, 0xa3, 0xa4, 0xa4, 0x20, 0x89, 0x0d, 0x1c, 0x42, 0xc6, - 0x80, 0x00, 0x00, 0x00, 0xff, 0xff, 0x07, 0x0a, 0xdd, 0xc0, 0x4b, 0x01, 0x00, 0x00, + // 271 bytes of a gzipped FileDescriptorProto + 0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x6c, 0x90, 0x5d, 0x4b, 0xc3, 0x30, + 0x14, 0x86, 0x49, 0xe7, 0xc7, 0x8c, 0x9b, 0xcc, 0xe0, 0xa0, 0x7a, 0x55, 0x76, 0x21, 0x05, 0x21, + 0xc5, 0x7a, 0x23, 0xee, 0x4a, 0x8b, 0xe0, 0x8d, 0x30, 0xaa, 0x78, 0xe1, 0x8d, 0xc4, 0x10, 0xb5, + 0xd8, 0xe6, 0x94, 0xb3, 0xd3, 0x6a, 0xfe, 0x92, 0xff, 0xca, 0x7f, 0x22, 0xcd, 0x9c, 0x1f, 0xb0, + 0xab, 0xe4, 0x9c, 0xf7, 0xc9, 0xc3, 0x4b, 0xf8, 0x61, 0x9b, 0xa2, 0x72, 0x52, 0x43, 0x95, 0x68, + 0x40, 0x93, 0xd4, 0x08, 0xef, 0x2e, 0x79, 0x21, 0xaa, 0x13, 0x0d, 0xf6, 0xa9, 0x78, 0x96, 0x35, + 0x02, 0x81, 0x18, 0x2f, 0x39, 0x34, 0xd2, 0x33, 0xb2, 0x63, 0x26, 0x9f, 0x8c, 0x0f, 0x6e, 0x0c, + 0xb6, 0x06, 0x33, 0x4f, 0x8b, 0x90, 0x6f, 0x52, 0x51, 0x19, 0x68, 0x28, 0x64, 0x11, 0x8b, 0x87, + 0xf9, 0x72, 0x14, 0xd7, 0xbc, 0xaf, 0xb4, 0x86, 0xc6, 0xd2, 0x3c, 0x0c, 0xa2, 0x5e, 0xbc, 0x9d, + 0x1e, 0xcb, 0x95, 0x52, 0xf9, 0x57, 0x28, 0xcf, 0xbf, 0xdf, 0x5c, 0x5a, 0x42, 0x97, 0xff, 0x28, + 0xc4, 0x11, 0xdf, 0x55, 0x65, 0x09, 0x6f, 0x0f, 0x84, 0xca, 0xce, 0x6b, 0x85, 0xc6, 0x52, 0xd8, + 0x8b, 0x58, 0xdc, 0xcf, 0x47, 0x3e, 0xb8, 0xfd, 0xdd, 0x1f, 0x4c, 0xf9, 0xf0, 0x9f, 0x47, 0x8c, + 0x78, 0xef, 0xd5, 0x38, 0x5f, 0x71, 0x2b, 0xef, 0xae, 0x62, 0x8f, 0xaf, 0xb7, 0xaa, 0x6c, 0x4c, + 0x18, 0xf8, 0xdd, 0x62, 0x38, 0x0b, 0x4e, 0xd9, 0x64, 0x87, 0x0f, 0xb2, 0xb2, 0x30, 0x96, 0x16, + 0x8d, 0x2e, 0xa6, 0x7c, 0x5f, 0x43, 0xb5, 0xba, 0xfb, 0x8c, 0xdd, 0xaf, 0x75, 0xe7, 0x47, 0x30, + 0xbe, 0x4b, 0x73, 0xe5, 0x64, 0xd6, 0xe5, 0x33, 0x9f, 0x5f, 0x11, 0xd5, 0x8f, 0x1b, 0xfe, 0x3b, + 0x4f, 0xbe, 0x02, 0x00, 0x00, 0xff, 0xff, 0xf5, 0x08, 0xbc, 0x0a, 0x78, 0x01, 0x00, 0x00, } diff --git a/proxy/http/config.proto b/proxy/http/config.proto index 9d96f1637..a1d014e8a 100644 --- a/proxy/http/config.proto +++ b/proxy/http/config.proto @@ -10,6 +10,7 @@ option java_multiple_files = true; message ServerConfig { uint32 timeout = 1; map accounts = 2; + bool allow_transparent = 3; } // ClientConfig for HTTP proxy client. diff --git a/proxy/http/server.go b/proxy/http/server.go index 6ed20e608..13fb650ab 100644 --- a/proxy/http/server.go +++ b/proxy/http/server.go @@ -217,7 +217,8 @@ func StripHopByHopHeaders(header http.Header) { var errWaitAnother = newError("keep alive") func (s *Server) handlePlainHTTP(ctx context.Context, request *http.Request, reader io.Reader, writer io.Writer, dest net.Destination, dispatcher dispatcher.Interface) error { - if len(request.URL.Host) <= 0 { + if !s.config.AllowTransparent && len(request.URL.Host) <= 0 { + // RFC 2068 (HTTP/1.1) requires URL to be absolute URL in HTTP proxy. response := &http.Response{ Status: "Bad Request", StatusCode: 400, @@ -234,7 +235,9 @@ func (s *Server) handlePlainHTTP(ctx context.Context, request *http.Request, rea return response.Write(writer) } - request.Host = request.URL.Host + if len(request.URL.Host) > 0 { + request.Host = request.URL.Host + } StripHopByHopHeaders(request.Header) ray, err := dispatcher.Dispatch(ctx, dest)