Merge branch 'dns' into dns-geo

app/dns/nameserver_local_test.go

@@ -13,7 +13,7 @@ import (
 
 func TestLocalNameServer(t *testing.T) {
 	s := NewLocalNameServer()
-	ctx, cancel := context.WithTimeout(context.Background(), time.Second*2)
+	ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
 	ips, err := s.QueryIP(ctx, "google.com", net.IP{}, dns.IPOption{
 		IPv4Enable: true,
 		IPv6Enable: true,

app/dns/nameserver_quic.go

@@ -27,8 +27,6 @@ import (
 // by selecting the ALPN token "dq" in the crypto handshake.
 const NextProtoDQ = "doq-i00"
 
-const handshakeTimeout = time.Second * 8
-
 // QUICNameServer implemented DNS over QUIC
 type QUICNameServer struct {
 	sync.RWMutex
@@ -373,9 +371,7 @@ func (s *QUICNameServer) getSession() (quic.Session, error) {
 
 func (s *QUICNameServer) openSession() (quic.Session, error) {
 	tlsConfig := tls.Config{}
-	quicConfig := &quic.Config{
+	quicConfig := &quic.Config{}
-		HandshakeTimeout: handshakeTimeout,
-	}
 
 	session, err := quic.DialAddrContext(context.Background(), s.destination.NetAddr(), tlsConfig.GetTLSConfig(tls.WithNextProto("http/1.1", http2.NextProtoTLS, NextProtoDQ)), quicConfig)
 	if err != nil {

app/dns/nameserver_quic_test.go

@@ -19,7 +19,7 @@ func TestQUICNameServer(t *testing.T) {
 	common.Must(err)
 	s, err := NewQUICNameServer(url)
 	common.Must(err)
-	ctx, cancel := context.WithTimeout(context.Background(), time.Second*2)
+	ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
 	ips, err := s.QueryIP(ctx, "google.com", net.IP(nil), dns_feature.IPOption{
 		IPv4Enable: true,
 		IPv6Enable: true,
@@ -36,7 +36,7 @@ func TestQUICNameServerWithCache(t *testing.T) {
 	common.Must(err)
 	s, err := NewQUICNameServer(url)
 	common.Must(err)
-	ctx, cancel := context.WithTimeout(context.Background(), time.Second*2)
+	ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
 	ips, err := s.QueryIP(ctx, "google.com", net.IP(nil), dns_feature.IPOption{
 		IPv4Enable: true,
 		IPv6Enable: true,
@@ -47,7 +47,7 @@ func TestQUICNameServerWithCache(t *testing.T) {
 		t.Error("expect some ips, but got 0")
 	}
 
-	ctx2, cancel := context.WithTimeout(context.Background(), time.Second*2)
+	ctx2, cancel := context.WithTimeout(context.Background(), time.Second*5)
 	ips2, err := s.QueryIP(ctx2, "google.com", net.IP(nil), dns_feature.IPOption{
 		IPv4Enable: true,
 		IPv6Enable: true,

common/buf/buffer.go

@@ -38,7 +38,7 @@ func NewExisted(b []byte) *Buffer {
 
 	oLen := len(b)
 	if oLen < Size {
-		b = append(b, make([]byte, Size-oLen)...)
+		b = b[:Size]
 	}
 
 	return &Buffer{

core/config.go

@@ -80,14 +80,25 @@ func getFormat(filename string) string {
 func LoadConfig(formatName string, input interface{}) (*Config, error) {
 	switch v := input.(type) {
 	case cmdarg.Arg:
-
 		formats := make([]string, len(v))
 		hasProtobuf := false
 		for i, file := range v {
-			f := getFormat(file)
+			var f string
-			if f == "" {
+
+			if formatName == "auto" {
+				if file != "stdin:" {
+					f = getFormat(file)
+				} else {
+					f = "json"
+				}
+			} else {
 				f = formatName
 			}
+
+			if f == "" {
+				return nil, newError("Failed to get format of ", file).AtWarning()
+			}
+
 			if f == "protobuf" {
 				hasProtobuf = true
 			}

core/core.go

@@ -18,7 +18,7 @@ import (
 )
 
 var (
-	version  = "1.4.0"
+	version  = "1.4.2"
 	build    = "Custom"
 	codename = "Xray, Penetrates Everything."
 	intro    = "A unified platform for anti-censorship."

go.mod

@@ -5,22 +5,23 @@ go 1.16
 require (
 	github.com/ghodss/yaml v1.0.1-0.20190212211648-25d852aebe32
 	github.com/golang/mock v1.5.0
-	github.com/golang/protobuf v1.4.3
+	github.com/golang/protobuf v1.5.2
 	github.com/google/go-cmp v0.5.5
 	github.com/gorilla/websocket v1.4.2
-	github.com/lucas-clemente/quic-go v0.19.3
+	github.com/lucas-clemente/quic-go v0.20.0
-	github.com/miekg/dns v1.1.40
+	github.com/miekg/dns v1.1.41
 	github.com/pelletier/go-toml v1.8.1
 	github.com/pires/go-proxyproto v0.5.0
+	github.com/refraction-networking/utls v0.0.0-20201210053706-2179f286686b
 	github.com/seiflotfy/cuckoofilter v0.0.0-20201222105146-bc6005554a0c
 	github.com/stretchr/testify v1.7.0
 	github.com/xtls/go v0.0.0-20201118062508-3632bf3b7499
 	go.starlark.net v0.0.0-20210312235212-74c10e2c17dc
-	golang.org/x/crypto v0.0.0-20210220033148-5ea612d1eb83
+	golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2
-	golang.org/x/net v0.0.0-20210226172049-e18ecbb05110
+	golang.org/x/net v0.0.0-20210330230544-e57232859fb2
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
-	golang.org/x/sys v0.0.0-20210313202042-bd2e13477e9c
+	golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44
-	google.golang.org/grpc v1.36.0
+	google.golang.org/grpc v1.36.1
-	google.golang.org/protobuf v1.25.0
+	google.golang.org/protobuf v1.26.0
 	h12.io/socks v1.0.2
 )

go.sum

@@ -43,12 +43,9 @@ github.com/gliderlabs/ssh v0.1.1/go.mod h1:U7qILu1NlMHj9FlMhZLlkCdDnU1DBEAqr0aev
 github.com/go-errors/errors v1.0.1/go.mod h1:f4zRHt4oKfwPJE5k8C9vpYG+aDHdBFUsgrm6/TyX73Q=
 github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
-github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
-github.com/golang/groupcache v0.0.0-20191027212112-611e8accdfc9/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/lint v0.0.0-20180702182130-06c8688daad7/go.mod h1:tluoj9z5200jBnyusfRPU2LqT6J+DAorxEvtC7LHB+E=
 github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
 github.com/golang/mock v1.2.0/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
-github.com/golang/mock v1.4.0/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
 github.com/golang/mock v1.4.4/go.mod h1:l3mdAwkq5BuhzHwde/uurv3sEJeZMXNpwsxVWU71h+4=
 github.com/golang/mock v1.5.0 h1:jlYHihg//f7RRwuPfptm04yp4s7O6Kw8EZiVYIGcH0g=
 github.com/golang/mock v1.5.0/go.mod h1:CWnOUgYIOo4TcNZ0wHX3YZCqsaM1I1Jvs6v3mP3KVu8=
@@ -62,8 +59,9 @@ github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:W
 github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
 github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8=
 github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
-github.com/golang/protobuf v1.4.3 h1:JjCZWpVbqXDqFVmTfYWEVTMIYrL/NPdPSCHPJ0T/raM=
+github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
-github.com/golang/protobuf v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
+github.com/golang/protobuf v1.5.2 h1:ROPKBNFfQgOUMifHyP+KYbvpjbdoFNs+aK7DXlji0Tw=
+github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
 github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
 github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
 github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
@@ -98,19 +96,19 @@ github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/pty v1.1.3/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
-github.com/lucas-clemente/quic-go v0.19.3 h1:eCDQqvGBB+kCTkA0XrAFtNe81FMa0/fn4QSoeAbmiF4=
+github.com/lucas-clemente/quic-go v0.20.0 h1:FSU3YN5VnLafHR27Ejs1r1CYMS7XMyIVDzRewkDLNBw=
-github.com/lucas-clemente/quic-go v0.19.3/go.mod h1:ADXpNbTQjq1hIzCpB+y/k5iz4n4z4IwqoLb94Kh5Hu8=
+github.com/lucas-clemente/quic-go v0.20.0/go.mod h1:fZq/HUDIM+mW6X6wtzORjC0E/WDBMKe5Hf9bgjISwLk=
 github.com/lunixbochs/vtclean v1.0.0/go.mod h1:pHhQNgMf3btfWnGBVipUOjRYhoOsdGqdm/+2c2E2WMI=
 github.com/mailru/easyjson v0.0.0-20190312143242-1de009706dbe/go.mod h1:C1wdFJiN94OJF2b5HbByQZoLdCWB1Yqtg26g4irojpc=
 github.com/marten-seemann/qpack v0.2.1/go.mod h1:F7Gl5L1jIgN1D11ucXefiuJS9UMVP2opoCp2jDKb7wc=
-github.com/marten-seemann/qtls v0.10.0 h1:ECsuYUKalRL240rRD4Ri33ISb7kAQ3qGDlrrl55b2pc=
+github.com/marten-seemann/qtls-go1-15 v0.1.4 h1:RehYMOyRW8hPVEja1KBVsFVNSm35Jj9Mvs5yNoZZ28A=
-github.com/marten-seemann/qtls v0.10.0/go.mod h1:UvMd1oaYDACI99/oZUYLzMCkBXQVT0aGm99sJhbT8hs=
+github.com/marten-seemann/qtls-go1-15 v0.1.4/go.mod h1:GyFwywLKkRt+6mfU99csTEY1joMZz5vmB1WNZH3P81I=
-github.com/marten-seemann/qtls-go1-15 v0.1.1 h1:LIH6K34bPVttyXnUWixk0bzH6/N07VxbSabxn5A5gZQ=
+github.com/marten-seemann/qtls-go1-16 v0.1.3 h1:XEZ1xGorVy9u+lJq+WXNE+hiqRYLNvJGYmwfwKQN2gU=
-github.com/marten-seemann/qtls-go1-15 v0.1.1/go.mod h1:GyFwywLKkRt+6mfU99csTEY1joMZz5vmB1WNZH3P81I=
+github.com/marten-seemann/qtls-go1-16 v0.1.3/go.mod h1:gNpI2Ol+lRS3WwSOtIUUtRwZEQMXjYK+dQSBFbethAk=
 github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
 github.com/microcosm-cc/bluemonday v1.0.1/go.mod h1:hsXNsILzKxV+sX77C5b8FSuKF00vh2OMYv+xgHpAMF4=
-github.com/miekg/dns v1.1.40 h1:pyyPFfGMnciYUk/mXpKkVmeMQjfXqt3FAJ2hy7tPiLA=
+github.com/miekg/dns v1.1.41 h1:WMszZWJG0XmzbK9FEmzH2TVcqYzFesusSIB41b8KHxY=
-github.com/miekg/dns v1.1.40/go.mod h1:KNUDUusw/aVsxyTYZM1oqvCicbwhgbNgztCETuNZ7xM=
+github.com/miekg/dns v1.1.41/go.mod h1:p6aan82bvRIyn+zDIv9xYNUpwa73JcSh9BKwknJysuI=
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
 github.com/neelance/astrewrite v0.0.0-20160511093645-99348263ae86/go.mod h1:kHJEU3ofeGjhHklVoIGuVj85JJwZ6kWPaJwCIxgnFmo=
@@ -139,6 +137,8 @@ github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910/go.mod h1:
 github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
 github.com/prometheus/common v0.0.0-20180801064454-c7de2306084e/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro=
 github.com/prometheus/procfs v0.0.0-20180725123919-05ee40e3a273/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
+github.com/refraction-networking/utls v0.0.0-20201210053706-2179f286686b h1:lzo71oHzQEz0fKMSjR0BpVzuh2hOHvJTxnN3Rnikmtg=
+github.com/refraction-networking/utls v0.0.0-20201210053706-2179f286686b/go.mod h1:tz9gX959MEFfFN5whTIocCLUG57WiILqtdVxI8c6Wj0=
 github.com/russross/blackfriday v1.5.2/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR/rfWxYHBV53g=
 github.com/seiflotfy/cuckoofilter v0.0.0-20201222105146-bc6005554a0c h1:pqy40B3MQWYrza7YZXOXgl0Nf0QGFqrOC0BKae1UNAA=
 github.com/seiflotfy/cuckoofilter v0.0.0-20201222105146-bc6005554a0c/go.mod h1:bR6DqgcAl1zTcOX8/pE2Qkj9XO00eCNqmKb7lXP8EAg=
@@ -169,7 +169,6 @@ github.com/sourcegraph/annotate v0.0.0-20160123013949-f4cad6c6324d/go.mod h1:Udh
 github.com/sourcegraph/syntaxhighlight v0.0.0-20170531221838-bd320f5d308e/go.mod h1:HuIsMU8RRBOtsCgI77wP899iHVBQpCmg4ErYMZB+2IA=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
-github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
 github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
@@ -180,7 +179,6 @@ github.com/viant/toolbox v0.24.0/go.mod h1:OxMCG57V0PXuIP2HNQrtJf2CjqdmbrOx5EkMI
 github.com/xtls/go v0.0.0-20201118062508-3632bf3b7499 h1:QHESTXtfgc1ABV+ArlbPVqUx9Ht5I0dDkYhxYoXFxNo=
 github.com/xtls/go v0.0.0-20201118062508-3632bf3b7499/go.mod h1:5TB2+k58gx4A4g2Nf5miSHNDF6CuAzHKpWBooLAshTs=
 go.opencensus.io v0.18.0/go.mod h1:vKdFvxhtzZ9onBp9VKHK8z/sRpBMnKAsufL7wlDrCOA=
-go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
 go.starlark.net v0.0.0-20210312235212-74c10e2c17dc h1:pVkptfeOTFfx+zXZo7HEHN3d5LmhatBFvHdm/f2QnpY=
 go.starlark.net v0.0.0-20210312235212-74c10e2c17dc/go.mod h1:t3mmBBPzAVvK0L0n1drDmrQsJ8FoIx4INCqVMTr/Zo0=
 go4.org v0.0.0-20180809161055-417644f6feb5/go.mod h1:MkTOUMDaeVYJUOUsaDXIhWPZYa1yOyC1qaOBpL57BhE=
@@ -191,14 +189,13 @@ golang.org/x/crypto v0.0.0-20190313024323-a1f597ede03a/go.mod h1:djNgcEr1/C05ACk
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20200221231518-2aa609cf4a9d/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
-golang.org/x/crypto v0.0.0-20210220033148-5ea612d1eb83 h1:/ZScEX8SfEmUGRHs0gxpqteO5nfNW6axyZbBdw9A12g=
+golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2 h1:It14KIkyBFYkHkwZ7k45minvA9aorojkyjGk9KJ5B/w=
-golang.org/x/crypto v0.0.0-20210220033148-5ea612d1eb83/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
+golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/lint v0.0.0-20180702182130-06c8688daad7/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
 golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
-golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
 golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -211,11 +208,11 @@ golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn
 golang.org/x/net v0.0.0-20190313220215-9f648a60d977/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/net v0.0.0-20190923162816-aa69164e4478/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200520004742-59133d7f0dd7/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
 golang.org/x/net v0.0.0-20200707034311-ab3426394381/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
-golang.org/x/net v0.0.0-20210226172049-e18ecbb05110 h1:qWPm9rbaAMKs8Bq/9LRpbMqxWRVUAQwMI9fVrssnTfw=
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
+golang.org/x/net v0.0.0-20210330230544-e57232859fb2 h1:nGCZOty+lVDsc4H2qPFksI5Se296+V+GhMiL/TzmYNk=
+golang.org/x/net v0.0.0-20210330230544-e57232859fb2/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20181017192945-9dcd33a902f4/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20181203162652-d668ce993890/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
@@ -235,22 +232,19 @@ golang.org/x/sys v0.0.0-20181029174526-d69651ed3497/go.mod h1:STP8DvDyc/dI5b8T5h
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190316082340-a2f829d7f35f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20190502145724-3ef323f4f1fd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190904154756-749cb33beabd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20190924154521-2837fb4f24fe/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200519105757-fe76b779f299/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210313202042-bd2e13477e9c h1:coiPEfMv+ThsjULRDygLrJVlNE1gDdL2g65s0LhV2os=
+golang.org/x/sys v0.0.0-20201231184435-2d18734c6014/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210313202042-bd2e13477e9c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210303074136-134d130e1a04/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
+golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44 h1:Bli41pIlzTzf3KEY06n+xnzK/BESIg2ze4Pgfh/aI8c=
+golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
-golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
@@ -267,7 +261,6 @@ golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3
 golang.org/x/tools v0.0.0-20190425150028-36563e24a262/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/tools v0.0.0-20191216052735-49a3e744a425/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
@@ -285,7 +278,6 @@ google.golang.org/genproto v0.0.0-20180831171423-11092d34479b/go.mod h1:JiN7NxoA
 google.golang.org/genproto v0.0.0-20181029155118-b69ba1387ce2/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20181202183823-bd91e49a0898/go.mod h1:7Ep/1NZk928CDR8SjdVbjWNpdIf6nzjE3BTgJDr2Atg=
 google.golang.org/genproto v0.0.0-20190306203927-b5d61aea6440/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
-google.golang.org/genproto v0.0.0-20190425155659-357c62f0e4bb/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
 google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
 google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013 h1:+kGHl1aib/qcwaRi1CbqBZ1rk19r85MNUf8HaBghugY=
 google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
@@ -293,12 +285,11 @@ google.golang.org/grpc v1.14.0/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmE
 google.golang.org/grpc v1.16.0/go.mod h1:0JHn/cJsOMiMfNA9+DeHDlAU7KAAB5GDlYFpa9MZMio=
 google.golang.org/grpc v1.17.0/go.mod h1:6QZJwpn2B+Zp71q/5VxRsJ6NXXVCE5NRUHRo+f3cWCs=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
-google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
 google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
-google.golang.org/grpc v1.36.0 h1:o1bcQ6imQMIOpdrO3SWf2z5RV72WbDwdXuK0MDlc8As=
+google.golang.org/grpc v1.36.1 h1:cmUfbeGKnz9+2DD/UYsMQXeqbHZqZDs4eQwW0sFOpBY=
-google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
+google.golang.org/grpc v1.36.1/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
@@ -307,8 +298,10 @@ google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzi
 google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-google.golang.org/protobuf v1.25.0 h1:Ejskq+SyPohKW+1uil0JJMtmHCgJPJ/qWTxr8qp+R4c=
 google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
+google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
+google.golang.org/protobuf v1.26.0 h1:bxAC2xTBsZGibn2RTntX0oH50xLsqy1OxA9tTL3p/lk=
+google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
@@ -331,7 +324,5 @@ honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWh
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
-rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
 sourcegraph.com/sourcegraph/go-diff v0.5.0/go.mod h1:kuch7UrkMzY0X+p9CRK03kfuPQ2zzQcaEFbx8wA8rck=
 sourcegraph.com/sqs/pbtypes v0.0.0-20180604144634-d3ebe8f20ae4/go.mod h1:ketZ/q3QxT9HOBeFhu6RdvsftgpsbFHBF5Cas6cDKZ0=

infra/conf/dns.go

@@ -16,6 +16,7 @@ import (
 
 type NameServerConfig struct {
 	Address   *Address
+	ClientIP  *Address
 	Port      uint16
 	Domains   []string
 	ExpectIPs StringList
@@ -30,12 +31,14 @@ func (c *NameServerConfig) UnmarshalJSON(data []byte) error {
 
 	var advanced struct {
 		Address   *Address   `json:"address"`
+		ClientIP  *Address   `json:"clientIp"`
 		Port      uint16     `json:"port"`
 		Domains   []string   `json:"domains"`
 		ExpectIPs StringList `json:"expectIps"`
 	}
 	if err := json.Unmarshal(data, &advanced); err == nil {
 		c.Address = advanced.Address
+		c.ClientIP = advanced.ClientIP
 		c.Port = advanced.Port
 		c.Domains = advanced.Domains
 		c.ExpectIPs = advanced.ExpectIPs
@@ -76,12 +79,20 @@ func (c *NameServerConfig) Build() (*dns.NameServer, error) {
 		return nil, newError("invalid IP rule: ", c.ExpectIPs).Base(err)
 	}
 
+	var myClientIP []byte
+	if c.ClientIP != nil {
+		if !c.ClientIP.Family().IsIP() {
+			return nil, newError("not an IP address:", c.ClientIP.String())
+		}
+		myClientIP = []byte(c.ClientIP.IP())
+	}
 	return &dns.NameServer{
 		Address: &net.Endpoint{
 			Network: net.Network_UDP,
 			Address: c.Address.Build(),
 			Port:    uint32(c.Port),
 		},
+		ClientIp:          myClientIP,
 		PrioritizedDomain: domains,
 		Geoip:             geoipList,
 		OriginalRules:     originalRules,

infra/conf/dns_test.go

@@ -68,6 +68,7 @@ func TestDNSConfigParsing(t *testing.T) {
 			Input: `{
 				"servers": [{
 					"address": "8.8.8.8",
+					"clientIp": "10.0.0.1",
 					"port": 5353,
 					"domains": ["domain:example.com"]
 				}],
@@ -95,6 +96,7 @@ func TestDNSConfigParsing(t *testing.T) {
 							Network: net.Network_UDP,
 							Port:    5353,
 						},
+						ClientIp: []byte{10, 0, 0, 1},
 						PrioritizedDomain: []*domain.Domain{
 							{
 								Type:  domain.MatchingType_Subdomain,

infra/conf/transport_internet.go

@@ -321,6 +321,7 @@ type TLSConfig struct {
 	MaxVersion               string           `json:"maxVersion"`
 	CipherSuites             string           `json:"cipherSuites"`
 	PreferServerCipherSuites bool             `json:"preferServerCipherSuites"`
+	Fingerprint              string           `json:"fingerprint"`
 }
 
 // Build implements Buildable.
@@ -348,6 +349,7 @@ func (c *TLSConfig) Build() (proto.Message, error) {
 	config.MaxVersion = c.MaxVersion
 	config.CipherSuites = c.CipherSuites
 	config.PreferServerCipherSuites = c.PreferServerCipherSuites
+	config.Fingerprint = strings.ToLower(c.Fingerprint)
 	return config, nil
 }
 
@@ -476,22 +478,19 @@ type SocketConfig struct {
 
 // Build implements Buildable.
 func (c *SocketConfig) Build() (*internet.SocketConfig, error) {
-	tfo := int32(-1)
+	tfo := int32(0) // don't invoke setsockopt() for TFO
 	if c.TFO != nil {
 		switch v := c.TFO.(type) {
 		case bool:
 			if v {
 				tfo = 256
 			} else {
-				tfo = 0
+				tfo = -1 // TFO need to be disabled
 			}
 		case float64:
-			if v < 0 {
-				return nil, newError("tcpFastOpen: only boolean and non-negative integer value is acceptable")
-			}
 			tfo = int32(math.Min(v, math.MaxInt32))
 		default:
-			return nil, newError("tcpFastOpen: only boolean and non-negative integer value is acceptable")
+			return nil, newError("tcpFastOpen: only boolean and integer value is acceptable")
 		}
 	}
 	var tproxy internet.SocketConfig_TProxyMode

infra/conf/transport_test.go

@@ -31,6 +31,13 @@ func TestSocketConfig(t *testing.T) {
 		}
 	}
 
+	// test "tcpFastOpen": true, queue length 256 is expected. other parameters are tested here too
+	expectedOutput := &internet.SocketConfig{
+		Mark:           1,
+		Tfo:            256,
+		DomainStrategy: internet.DomainStrategy_USE_IP,
+		DialerProxy:    "tag",
+	}
 	runMultiTestCase(t, []TestCase{
 		{
 			Input: `{
@@ -40,38 +47,118 @@ func TestSocketConfig(t *testing.T) {
 				"dialerProxy": "tag"
 			}`,
 			Parser: createParser(),
-			Output: &internet.SocketConfig{
+			Output: expectedOutput,
-				Mark:           1,
-				Tfo:            256,
-				DomainStrategy: internet.DomainStrategy_USE_IP,
-				DialerProxy:    "tag",
-			},
 		},
 	})
+	if expectedOutput.ParseTFOValue() != 256 {
+		t.Fatalf("unexpected parsed TFO value, which should be 256")
+	}
+
+	// test "tcpFastOpen": false, disabled TFO is expected
+	expectedOutput = &internet.SocketConfig{
+		Mark: 0,
+		Tfo:  -1,
+	}
 	runMultiTestCase(t, []TestCase{
 		{
 			Input: `{
 				"tcpFastOpen": false
 			}`,
 			Parser: createParser(),
-			Output: &internet.SocketConfig{
+			Output: expectedOutput,
-				Mark: 0,
-				Tfo:  0,
-			},
 		},
 	})
+	if expectedOutput.ParseTFOValue() != 0 {
+		t.Fatalf("unexpected parsed TFO value, which should be 0")
+	}
+
+	// test "tcpFastOpen": 65535, queue length 65535 is expected
+	expectedOutput = &internet.SocketConfig{
+		Mark: 0,
+		Tfo:  65535,
+	}
 	runMultiTestCase(t, []TestCase{
 		{
 			Input: `{
 				"tcpFastOpen": 65535
 			}`,
 			Parser: createParser(),
-			Output: &internet.SocketConfig{
+			Output: expectedOutput,
-				Mark: 0,
-				Tfo:  65535,
-			},
 		},
 	})
+	if expectedOutput.ParseTFOValue() != 65535 {
+		t.Fatalf("unexpected parsed TFO value, which should be 65535")
+	}
+
+	// test "tcpFastOpen": -65535, disable TFO is expected
+	expectedOutput = &internet.SocketConfig{
+		Mark: 0,
+		Tfo:  -65535,
+	}
+	runMultiTestCase(t, []TestCase{
+		{
+			Input: `{
+				"tcpFastOpen": -65535
+			}`,
+			Parser: createParser(),
+			Output: expectedOutput,
+		},
+	})
+	if expectedOutput.ParseTFOValue() != 0 {
+		t.Fatalf("unexpected parsed TFO value, which should be 0")
+	}
+
+	// test "tcpFastOpen": 0, no operation is expected
+	expectedOutput = &internet.SocketConfig{
+		Mark: 0,
+		Tfo:  0,
+	}
+	runMultiTestCase(t, []TestCase{
+		{
+			Input: `{
+				"tcpFastOpen": 0
+			}`,
+			Parser: createParser(),
+			Output: expectedOutput,
+		},
+	})
+	if expectedOutput.ParseTFOValue() != -1 {
+		t.Fatalf("unexpected parsed TFO value, which should be -1")
+	}
+
+	// test omit "tcpFastOpen", no operation is expected
+	expectedOutput = &internet.SocketConfig{
+		Mark: 0,
+		Tfo:  0,
+	}
+	runMultiTestCase(t, []TestCase{
+		{
+			Input:  `{}`,
+			Parser: createParser(),
+			Output: expectedOutput,
+		},
+	})
+	if expectedOutput.ParseTFOValue() != -1 {
+		t.Fatalf("unexpected parsed TFO value, which should be -1")
+	}
+
+	// test "tcpFastOpen": null, no operation is expected
+	expectedOutput = &internet.SocketConfig{
+		Mark: 0,
+		Tfo:  0,
+	}
+	runMultiTestCase(t, []TestCase{
+		{
+			Input: `{
+				"tcpFastOpen": null
+			}`,
+			Parser: createParser(),
+			Output: expectedOutput,
+		},
+	})
+	if expectedOutput.ParseTFOValue() != -1 {
+		t.Fatalf("unexpected parsed TFO value, which should be -1")
+	}
 }
 
 func TestTransportConfig(t *testing.T) {

main/commands/all/tls/cert.go

@@ -26,6 +26,9 @@ Arguments:
 	-domain=domain_name 
 		The domain name for the certificate.
 
+	-name=common_name 
+		The common name for the certificate.
+
 	-org=organization 
 		The organization name for the certificate.
 

main/run.go

@@ -11,6 +11,7 @@ import (
 	"regexp"
 	"runtime"
 	"runtime/debug"
+	"strings"
 	"syscall"
 
 	"github.com/xtls/xray-core/common/cmdarg"
@@ -31,7 +32,7 @@ Xray. Multiple assign is accepted.
 The -confdir=dir flag sets a dir with multiple json config
 
 The -format=json flag sets the format of config files. 
-Default "json".
+Default "auto".
 
 The -test flag tells Xray to test config files only, 
 without launching the server
@@ -46,7 +47,7 @@ var (
 	configFiles cmdarg.Arg // "Config file for Xray.", the option is customed type, parse in main
 	configDir   string
 	test        = cmdRun.Flag.Bool("test", false, "Test config file only, without launching Xray server.")
-	format      = cmdRun.Flag.String("format", "json", "Format of input file.")
+	format      = cmdRun.Flag.String("format", "auto", "Format of input file.")
 
 	/* We have to do this here because Golang's Test will also need to parse flag, before
 	 * main func in this file is run.
@@ -111,13 +112,26 @@ func dirExists(file string) bool {
 	return err == nil && info.IsDir()
 }
 
+func getRegepxByFormat() string {
+	switch strings.ToLower(*format) {
+	case "json":
+		return `^.+\.json$`
+	case "toml":
+		return `^.+\.toml$`
+	case "yaml", "yml":
+		return `^.+\.(yaml|yml)$`
+	default:
+		return `^.+\.(json|toml|yaml|yml)$`
+	}
+}
+
 func readConfDir(dirPath string) {
 	confs, err := ioutil.ReadDir(dirPath)
 	if err != nil {
 		log.Fatalln(err)
 	}
 	for _, f := range confs {
-		matched, err := regexp.MatchString(`^.+\.(json|toml|yaml|yml)$`, f.Name())
+		matched, err := regexp.MatchString(getRegepxByFormat(), f.Name())
 		if err != nil {
 			log.Fatalln(err)
 		}
@@ -160,7 +174,7 @@ func getConfigFilePath() cmdarg.Arg {
 func getConfigFormat() string {
 	f := core.GetFormatByExtension(*format)
 	if f == "" {
-		f = "json"
+		f = "auto"
 	}
 	return f
 }

proxy/dns/dns.go

@@ -242,7 +242,6 @@ func (h *Handler) handleIPQuery(id uint16, qType dnsmessage.Type, domain string,
 		RecursionAvailable: true,
 		RecursionDesired:   true,
 		Response:           true,
-		Authoritative:      true,
 	})
 	builder.EnableCompression()
 	common.Must(builder.StartQuestions())

transport/internet/grpc/dial.go

@@ -36,6 +36,7 @@ func init() {
 type dialerConf struct {
 	net.Destination
 	*internet.SocketConfig
+	*tls.Config
 }
 
 var (
@@ -46,14 +47,9 @@ var (
 func dialgRPC(ctx context.Context, dest net.Destination, streamSettings *internet.MemoryStreamConfig) (net.Conn, error) {
 	grpcSettings := streamSettings.ProtocolSettings.(*Config)
 
-	config := tls.ConfigFromStreamSettings(streamSettings)
+	tlsConfig := tls.ConfigFromStreamSettings(streamSettings)
-	var dialOption = grpc.WithInsecure()
 
-	if config != nil {
+	conn, err := getGrpcClient(ctx, dest, tlsConfig, streamSettings.SocketSettings)
-		dialOption = grpc.WithTransportCredentials(credentials.NewTLS(config.GetTLSConfig()))
-	}
-
-	conn, err := getGrpcClient(ctx, dest, dialOption, streamSettings.SocketSettings)
 
 	if err != nil {
 		return nil, newError("Cannot dial gRPC").Base(err)
@@ -76,7 +72,7 @@ func dialgRPC(ctx context.Context, dest net.Destination, streamSettings *interne
 	return encoding.NewHunkConn(grpcService, nil), nil
 }
 
-func getGrpcClient(ctx context.Context, dest net.Destination, dialOption grpc.DialOption, sockopt *internet.SocketConfig) (*grpc.ClientConn, error) {
+func getGrpcClient(ctx context.Context, dest net.Destination, tlsConfig *tls.Config, sockopt *internet.SocketConfig) (*grpc.ClientConn, error) {
 	globalDialerAccess.Lock()
 	defer globalDialerAccess.Unlock()
 
@@ -84,12 +80,24 @@ func getGrpcClient(ctx context.Context, dest net.Destination, dialOption grpc.Di
 		globalDialerMap = make(map[dialerConf]*grpc.ClientConn)
 	}
 
-	if client, found := globalDialerMap[dialerConf{dest, sockopt}]; found && client.GetState() != connectivity.Shutdown {
+	if client, found := globalDialerMap[dialerConf{dest, sockopt, tlsConfig}]; found && client.GetState() != connectivity.Shutdown {
 		return client, nil
 	}
 
+	dialOption := grpc.WithInsecure()
+
+	if tlsConfig != nil {
+		dialOption = grpc.WithTransportCredentials(credentials.NewTLS(tlsConfig.GetTLSConfig()))
+	}
+
+	var grpcDestHost string
+	if dest.Address.Family().IsDomain() {
+		grpcDestHost = dest.Address.Domain()
+	} else {
+		grpcDestHost = dest.Address.IP().String()
+	}
 	conn, err := grpc.Dial(
-		gonet.JoinHostPort(dest.Address.String(), dest.Port.String()),
+		gonet.JoinHostPort(grpcDestHost, dest.Port.String()),
 		dialOption,
 		grpc.WithConnectParams(grpc.ConnectParams{
 			Backoff: backoff.Config{
@@ -125,6 +133,6 @@ func getGrpcClient(ctx context.Context, dest net.Destination, dialOption grpc.Di
 			return internet.DialSystem(gctx, net.TCPDestination(address, port), sockopt)
 		}),
 	)
-	globalDialerMap[dialerConf{dest, sockopt}] = conn
+	globalDialerMap[dialerConf{dest, sockopt, tlsConfig}] = conn
 	return conn, err
 }

transport/internet/grpc/encoding/hunkconn.go

@@ -100,7 +100,7 @@ func (h *HunkReaderWriter) ReadMultiBuffer() (buf.MultiBuffer, error) {
 		}
 	}
 
-	if cap(h.buf) == buf.Size {
+	if cap(h.buf) >= buf.Size {
 		b := h.buf
 		h.index = len(h.buf)
 		return buf.MultiBuffer{buf.NewExisted(b)}, nil

transport/internet/grpc/encoding/multiconn.go

@@ -79,16 +79,20 @@ func (h *MultiHunkReaderWriter) ReadMultiBuffer() (buf.MultiBuffer, error) {
 
 	var mb = make(buf.MultiBuffer, 0, len(h.buf))
 	for _, b := range h.buf {
-		if cap(b) >= buf.Size {
+		if len(b) == 0 {
-			mb = append(mb, buf.NewExisted(b))
 			continue
 		}
 
-		nb := buf.New()
+		if cap(b) >= buf.Size {
-		nb.Extend(int32(len(b)))
+			mb = append(mb, buf.NewExisted(b))
-		copy(nb.Bytes(), b)
+		} else {
+			nb := buf.New()
+			nb.Extend(int32(len(b)))
+			copy(nb.Bytes(), b)
+
+			mb = append(mb, nb)
+		}
 
-		mb = append(mb, nb)
 	}
 	return mb, nil
 }
@@ -99,12 +103,15 @@ func (h *MultiHunkReaderWriter) WriteMultiBuffer(mb buf.MultiBuffer) error {
 		return io.ErrClosedPipe
 	}
 
-	hunk := &MultiHunk{Data: make([][]byte, len(mb))}
+	hunks := make([][]byte, 0, len(mb))
+
 	for _, b := range mb {
-		hunk.Data = append(hunk.Data, b.Bytes())
+		if b.Len() > 0 {
+			hunks = append(hunks, b.Bytes())
+		}
 	}
 
-	err := h.hc.Send(hunk)
+	err := h.hc.Send(&MultiHunk{Data: hunks})
 	if err != nil {
 		return err
 	}

transport/internet/http/dialer.go

@@ -21,6 +21,7 @@ import (
 type dialerConf struct {
 	net.Destination
 	*internet.SocketConfig
+	*tls.Config
 }
 
 var (
@@ -36,7 +37,7 @@ func getHTTPClient(ctx context.Context, dest net.Destination, tlsSettings *tls.C
 		globalDialerMap = make(map[dialerConf]*http.Client)
 	}
 
-	if client, found := globalDialerMap[dialerConf{dest, sockopt}]; found {
+	if client, found := globalDialerMap[dialerConf{dest, sockopt, tlsSettings}]; found {
 		return client, nil
 	}
 
@@ -92,7 +93,7 @@ func getHTTPClient(ctx context.Context, dest net.Destination, tlsSettings *tls.C
 		Transport: transport,
 	}
 
-	globalDialerMap[dialerConf{dest, sockopt}] = client
+	globalDialerMap[dialerConf{dest, sockopt, tlsSettings}] = client
 	return client, nil
 }
 

transport/internet/quic/dialer.go

@@ -148,8 +148,7 @@ func (s *clientSessions) openConnection(destAddr net.Addr, config *Config, tlsCo
 
 	quicConfig := &quic.Config{
 		ConnectionIDLength: 12,
-		HandshakeTimeout:   time.Second * 8,
+		KeepAlive:          true,
-		MaxIdleTimeout:     time.Second * 30,
 	}
 
 	conn, err := wrapSysConn(rawConn, config)

transport/internet/quic/hub.go

@@ -103,8 +103,7 @@ func Listen(ctx context.Context, address net.Address, port net.Port, streamSetti
 
 	quicConfig := &quic.Config{
 		ConnectionIDLength:    12,
-		HandshakeTimeout:      time.Second * 8,
+		KeepAlive:             true,
-		MaxIdleTimeout:        time.Second * 45,
 		MaxIncomingStreams:    32,
 		MaxIncomingUniStreams: -1,
 	}

transport/internet/sockopt.go

@@ -17,3 +17,14 @@ func isUDPSocket(network string) bool {
 		return false
 	}
 }
+
+func (v *SocketConfig) ParseTFOValue() int {
+	if v.Tfo == 0 {
+		return -1
+	}
+	tfo := int(v.Tfo)
+	if tfo < 0 {
+		tfo = 0
+	}
+	return tfo
+}

transport/internet/sockopt_darwin.go

@@ -15,12 +15,12 @@ const (
 
 func applyOutboundSocketOptions(network string, address string, fd uintptr, config *SocketConfig) error {
 	if isTCPSocket(network) {
-		tfo := config.Tfo
+		tfo := config.ParseTFOValue()
 		if tfo > 0 {
 			tfo = TCP_FASTOPEN_CLIENT
 		}
 		if tfo >= 0 {
-			if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, TCP_FASTOPEN, int(tfo)); err != nil {
+			if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, TCP_FASTOPEN, tfo); err != nil {
 				return err
 			}
 		}
@@ -31,12 +31,12 @@ func applyOutboundSocketOptions(network string, address string, fd uintptr, conf
 
 func applyInboundSocketOptions(network string, fd uintptr, config *SocketConfig) error {
 	if isTCPSocket(network) {
-		tfo := config.Tfo
+		tfo := config.ParseTFOValue()
 		if tfo > 0 {
 			tfo = TCP_FASTOPEN_SERVER
 		}
 		if tfo >= 0 {
-			if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, TCP_FASTOPEN, int(tfo)); err != nil {
+			if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, TCP_FASTOPEN, tfo); err != nil {
 				return err
 			}
 		}

transport/internet/sockopt_freebsd.go

@@ -130,7 +130,7 @@ func applyOutboundSocketOptions(network string, address string, fd uintptr, conf
 	}
 
 	if isTCPSocket(network) {
-		tfo := int(config.Tfo)
+		tfo := config.ParseTFOValue()
 		if tfo > 0 {
 			tfo = 1
 		}
@@ -163,9 +163,10 @@ func applyInboundSocketOptions(network string, fd uintptr, config *SocketConfig)
 		}
 	}
 	if isTCPSocket(network) {
-		if config.Tfo >= 0 {
+		tfo := config.ParseTFOValue()
-			if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, unix.TCP_FASTOPEN, int(config.Tfo)); err != nil {
+		if tfo >= 0 {
-				return newError("failed to set TCP_FASTOPEN=", config.Tfo).Base(err)
+			if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, unix.TCP_FASTOPEN, tfo); err != nil {
+				return newError("failed to set TCP_FASTOPEN=", tfo).Base(err)
 			}
 		}
 	}

transport/internet/sockopt_linux.go

@@ -48,7 +48,7 @@ func applyOutboundSocketOptions(network string, address string, fd uintptr, conf
 	}
 
 	if isTCPSocket(network) {
-		tfo := int(config.Tfo)
+		tfo := config.ParseTFOValue()
 		if tfo > 0 {
 			tfo = 1
 		}
@@ -75,9 +75,10 @@ func applyInboundSocketOptions(network string, fd uintptr, config *SocketConfig)
 		}
 	}
 	if isTCPSocket(network) {
-		if config.Tfo >= 0 {
+		tfo := config.ParseTFOValue()
-			if err := syscall.SetsockoptInt(int(fd), syscall.SOL_TCP, TCP_FASTOPEN, int(config.Tfo)); err != nil {
+		if tfo >= 0 {
-				return newError("failed to set TCP_FASTOPEN=", config.Tfo).Base(err)
+			if err := syscall.SetsockoptInt(int(fd), syscall.SOL_TCP, TCP_FASTOPEN, tfo); err != nil {
+				return newError("failed to set TCP_FASTOPEN=", tfo).Base(err)
 			}
 		}
 	}

transport/internet/sockopt_windows.go

@@ -8,12 +8,12 @@ const (
 	TCP_FASTOPEN = 15
 )
 
-func setTFO(fd syscall.Handle, tfo int32) error {
+func setTFO(fd syscall.Handle, tfo int) error {
 	if tfo > 0 {
 		tfo = 1
 	}
 	if tfo >= 0 {
-		if err := syscall.SetsockoptInt(fd, syscall.IPPROTO_TCP, TCP_FASTOPEN, int(tfo)); err != nil {
+		if err := syscall.SetsockoptInt(fd, syscall.IPPROTO_TCP, TCP_FASTOPEN, tfo); err != nil {
 			return err
 		}
 	}
@@ -22,7 +22,7 @@ func setTFO(fd syscall.Handle, tfo int32) error {
 
 func applyOutboundSocketOptions(network string, address string, fd uintptr, config *SocketConfig) error {
 	if isTCPSocket(network) {
-		if err := setTFO(syscall.Handle(fd), config.Tfo); err != nil {
+		if err := setTFO(syscall.Handle(fd), config.ParseTFOValue()); err != nil {
 			return err
 		}
 
@@ -33,7 +33,7 @@ func applyOutboundSocketOptions(network string, address string, fd uintptr, conf
 
 func applyInboundSocketOptions(network string, fd uintptr, config *SocketConfig) error {
 	if isTCPSocket(network) {
-		if err := setTFO(syscall.Handle(fd), config.Tfo); err != nil {
+		if err := setTFO(syscall.Handle(fd), config.ParseTFOValue()); err != nil {
 			return err
 		}
 	}

transport/internet/tcp/dialer.go

@@ -21,14 +21,14 @@ func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.Me
 
 	if config := tls.ConfigFromStreamSettings(streamSettings); config != nil {
 		tlsConfig := config.GetTLSConfig(tls.WithDestination(dest))
-		/*
+		if fingerprint, ok := tls.Fingerprints[config.Fingerprint]; ok {
-			if config.IsExperiment8357() {
+			conn = tls.UClient(conn, tlsConfig, fingerprint)
-				conn = tls.UClient(conn, tlsConfig)
+			if err := conn.(*tls.UConn).Handshake(); err != nil {
-			} else {
+				return nil, err
-				conn = tls.Client(conn, tlsConfig)
 			}
-		*/
+		} else {
-		conn = tls.Client(conn, tlsConfig)
+			conn = tls.Client(conn, tlsConfig)
+		}
 	} else if config := xtls.ConfigFromStreamSettings(streamSettings); config != nil {
 		xtlsConfig := config.GetXTLSConfig(xtls.WithDestination(dest))
 		conn = xtls.Client(conn, xtlsConfig)

transport/internet/tcp/hub.go

@@ -38,7 +38,8 @@ func ListenTCP(ctx context.Context, address net.Address, port net.Port, streamSe
 		if streamSettings.SocketSettings == nil {
 			streamSettings.SocketSettings = &internet.SocketConfig{}
 		}
-		streamSettings.SocketSettings.AcceptProxyProtocol = l.config.AcceptProxyProtocol
+		streamSettings.SocketSettings.AcceptProxyProtocol =
+			l.config.AcceptProxyProtocol || streamSettings.SocketSettings.AcceptProxyProtocol
 	}
 	var listener net.Listener
 	var err error

transport/internet/tls/config.go

@@ -18,8 +18,6 @@ var (
 	globalSessionCache = tls.NewLRUClientSessionCache(128)
 )
 
-const exp8357 = "experiment:8357"
-
 // ParseCertificate converts a cert.Certificate to Certificate.
 func ParseCertificate(c *cert.Certificate) *Certificate {
 	if c != nil {
@@ -240,15 +238,7 @@ func getNewGetCertficateFunc(certs []*tls.Certificate) func(hello *tls.ClientHel
 	}
 }
 
-func (c *Config) IsExperiment8357() bool {
-	return strings.HasPrefix(c.ServerName, exp8357)
-}
-
 func (c *Config) parseServerName() string {
-	if c.IsExperiment8357() {
-		return c.ServerName[len(exp8357):]
-	}
-
 	return c.ServerName
 }
 

transport/internet/tls/config.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.25.0
-// 	protoc        v3.14.0
+// 	protoc        v3.15.6
 // source: transport/internet/tls/config.proto
 
 package tls
@@ -200,6 +200,8 @@ type Config struct {
 	CipherSuites string `protobuf:"bytes,9,opt,name=cipher_suites,json=cipherSuites,proto3" json:"cipher_suites,omitempty"`
 	// Whether the server selects its most preferred ciphersuite.
 	PreferServerCipherSuites bool `protobuf:"varint,10,opt,name=prefer_server_cipher_suites,json=preferServerCipherSuites,proto3" json:"prefer_server_cipher_suites,omitempty"`
+	// TLS Client Hello fingerprint (uTLS).
+	Fingerprint string `protobuf:"bytes,11,opt,name=fingerprint,proto3" json:"fingerprint,omitempty"`
 }
 
 func (x *Config) Reset() {
@@ -304,6 +306,13 @@ func (x *Config) GetPreferServerCipherSuites() bool {
 	return false
 }
 
+func (x *Config) GetFingerprint() string {
+	if x != nil {
+		return x.Fingerprint
+	}
+	return ""
+}
+
 var File_transport_internet_tls_config_proto protoreflect.FileDescriptor
 
 var file_transport_internet_tls_config_proto_rawDesc = []byte{
@@ -333,7 +342,7 @@ var file_transport_internet_tls_config_proto_rawDesc = []byte{
 	0x43, 0x49, 0x50, 0x48, 0x45, 0x52, 0x4d, 0x45, 0x4e, 0x54, 0x10, 0x00, 0x12, 0x14, 0x0a, 0x10,
 	0x41, 0x55, 0x54, 0x48, 0x4f, 0x52, 0x49, 0x54, 0x59, 0x5f, 0x56, 0x45, 0x52, 0x49, 0x46, 0x59,
 	0x10, 0x01, 0x12, 0x13, 0x0a, 0x0f, 0x41, 0x55, 0x54, 0x48, 0x4f, 0x52, 0x49, 0x54, 0x59, 0x5f,
-	0x49, 0x53, 0x53, 0x55, 0x45, 0x10, 0x02, 0x22, 0xd3, 0x03, 0x0a, 0x06, 0x43, 0x6f, 0x6e, 0x66,
+	0x49, 0x53, 0x53, 0x55, 0x45, 0x10, 0x02, 0x22, 0xf5, 0x03, 0x0a, 0x06, 0x43, 0x6f, 0x6e, 0x66,
 	0x69, 0x67, 0x12, 0x25, 0x0a, 0x0e, 0x61, 0x6c, 0x6c, 0x6f, 0x77, 0x5f, 0x69, 0x6e, 0x73, 0x65,
 	0x63, 0x75, 0x72, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x08, 0x52, 0x0d, 0x61, 0x6c, 0x6c, 0x6f,
 	0x77, 0x49, 0x6e, 0x73, 0x65, 0x63, 0x75, 0x72, 0x65, 0x12, 0x4a, 0x0a, 0x0b, 0x63, 0x65, 0x72,
@@ -362,15 +371,17 @@ var file_transport_internet_tls_config_proto_rawDesc = []byte{
 	0x0a, 0x1b, 0x70, 0x72, 0x65, 0x66, 0x65, 0x72, 0x5f, 0x73, 0x65, 0x72, 0x76, 0x65, 0x72, 0x5f,
 	0x63, 0x69, 0x70, 0x68, 0x65, 0x72, 0x5f, 0x73, 0x75, 0x69, 0x74, 0x65, 0x73, 0x18, 0x0a, 0x20,
 	0x01, 0x28, 0x08, 0x52, 0x18, 0x70, 0x72, 0x65, 0x66, 0x65, 0x72, 0x53, 0x65, 0x72, 0x76, 0x65,
-	0x72, 0x43, 0x69, 0x70, 0x68, 0x65, 0x72, 0x53, 0x75, 0x69, 0x74, 0x65, 0x73, 0x42, 0x73, 0x0a,
+	0x72, 0x43, 0x69, 0x70, 0x68, 0x65, 0x72, 0x53, 0x75, 0x69, 0x74, 0x65, 0x73, 0x12, 0x20, 0x0a,
-	0x1f, 0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70,
+	0x0b, 0x66, 0x69, 0x6e, 0x67, 0x65, 0x72, 0x70, 0x72, 0x69, 0x6e, 0x74, 0x18, 0x0b, 0x20, 0x01,
-	0x6f, 0x72, 0x74, 0x2e, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2e, 0x74, 0x6c, 0x73,
+	0x28, 0x09, 0x52, 0x0b, 0x66, 0x69, 0x6e, 0x67, 0x65, 0x72, 0x70, 0x72, 0x69, 0x6e, 0x74, 0x42,
-	0x50, 0x01, 0x5a, 0x30, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x78,
+	0x73, 0x0a, 0x1f, 0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x74, 0x72, 0x61, 0x6e,
-	0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72, 0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72, 0x65, 0x2f, 0x74, 0x72,
+	0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2e, 0x74,
-	0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2f, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74,
+	0x6c, 0x73, 0x50, 0x01, 0x5a, 0x30, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d,
-	0x2f, 0x74, 0x6c, 0x73, 0xaa, 0x02, 0x1b, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x54, 0x72, 0x61, 0x6e,
+	0x2f, 0x78, 0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72, 0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72, 0x65, 0x2f,
-	0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e, 0x49, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2e, 0x54,
+	0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2f, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e,
-	0x6c, 0x73, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x65, 0x74, 0x2f, 0x74, 0x6c, 0x73, 0xaa, 0x02, 0x1b, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x54, 0x72,
+	0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e, 0x49, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74,
+	0x2e, 0x54, 0x6c, 0x73, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (

transport/internet/tls/config.proto

@@ -64,4 +64,7 @@ message Config {
 
   // Whether the server selects its most preferred ciphersuite.
   bool prefer_server_cipher_suites = 10;
+
+  // TLS Client Hello fingerprint (uTLS).
+  string fingerprint = 11;
 }

transport/internet/tls/tls.go

@@ -3,6 +3,8 @@ package tls
 import (
 	"crypto/tls"
 
+	utls "github.com/refraction-networking/utls"
+
 	"github.com/xtls/xray-core/common/buf"
 	"github.com/xtls/xray-core/common/net"
 )
@@ -41,25 +43,43 @@ func Client(c net.Conn, config *tls.Config) net.Conn {
 	return &Conn{Conn: tlsConn}
 }
 
-/*
-func copyConfig(c *tls.Config) *utls.Config {
-	return &utls.Config{
-		NextProtos:         c.NextProtos,
-		ServerName:         c.ServerName,
-		InsecureSkipVerify: c.InsecureSkipVerify,
-		MinVersion:         utls.VersionTLS12,
-		MaxVersion:         utls.VersionTLS12,
-	}
-}
-
-func UClient(c net.Conn, config *tls.Config) net.Conn {
-	uConfig := copyConfig(config)
-	return utls.Client(c, uConfig)
-}
-*/
-
 // Server initiates a TLS server handshake on the given connection.
 func Server(c net.Conn, config *tls.Config) net.Conn {
 	tlsConn := tls.Server(c, config)
 	return &Conn{Conn: tlsConn}
 }
+
+type UConn struct {
+	*utls.UConn
+}
+
+func (c *UConn) HandshakeAddress() net.Address {
+	if err := c.Handshake(); err != nil {
+		return nil
+	}
+	state := c.ConnectionState()
+	if state.ServerName == "" {
+		return nil
+	}
+	return net.ParseAddress(state.ServerName)
+}
+
+func UClient(c net.Conn, config *tls.Config, fingerprint *utls.ClientHelloID) net.Conn {
+	utlsConn := utls.UClient(c, copyConfig(config), *fingerprint)
+	return &UConn{UConn: utlsConn}
+}
+
+func copyConfig(c *tls.Config) *utls.Config {
+	return &utls.Config{
+		RootCAs:            c.RootCAs,
+		ServerName:         c.ServerName,
+		InsecureSkipVerify: c.InsecureSkipVerify,
+	}
+}
+
+var Fingerprints = map[string]*utls.ClientHelloID{
+	"chrome":     &utls.HelloChrome_Auto,
+	"firefox":    &utls.HelloFirefox_Auto,
+	"safari":     &utls.HelloIOS_Auto,
+	"randomized": &utls.HelloRandomized,
+}

transport/internet/websocket/dialer.go

@@ -2,8 +2,12 @@ package websocket
 
 import (
 	"context"
+	_ "embed"
 	"encoding/base64"
+	"fmt"
 	"io"
+	"net/http"
+	"os"
 	"time"
 
 	"github.com/gorilla/websocket"
@@ -15,6 +19,27 @@ import (
 	"github.com/xtls/xray-core/transport/internet/tls"
 )
 
+//go:embed dialer.html
+var webpage []byte
+var conns chan *websocket.Conn
+
+func init() {
+	if addr := os.Getenv("XRAY_BROWSER_DIALER"); addr != "" {
+		conns = make(chan *websocket.Conn, 256)
+		go http.ListenAndServe(addr, http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+			if r.URL.Path == "/websocket" {
+				if conn, err := upgrader.Upgrade(w, r, nil); err == nil {
+					conns <- conn
+				} else {
+					fmt.Println("unexpected error")
+				}
+			} else {
+				w.Write(webpage)
+			}
+		}))
+	}
+}
+
 // Dial dials a WebSocket connection to the given destination.
 func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.MemoryStreamConfig) (internet.Connection, error) {
 	newError("creating connection to ", dest).WriteToLog(session.ExportIDToError(ctx))
@@ -66,6 +91,30 @@ func dialWebSocket(ctx context.Context, dest net.Destination, streamSettings *in
 	}
 	uri := protocol + "://" + host + wsSettings.GetNormalizedPath()
 
+	if conns != nil {
+		data := []byte(uri)
+		if ed != nil {
+			data = append(data, " "+base64.RawURLEncoding.EncodeToString(ed)...)
+		}
+		var conn *websocket.Conn
+		for {
+			conn = <-conns
+			if conn.WriteMessage(websocket.TextMessage, data) != nil {
+				conn.Close()
+			} else {
+				break
+			}
+		}
+		if _, p, err := conn.ReadMessage(); err != nil {
+			conn.Close()
+			return nil, err
+		} else if s := string(p); s != "ok" {
+			conn.Close()
+			return nil, newError(s)
+		}
+		return newConnection(conn, conn.RemoteAddr(), nil), nil
+	}
+
 	header := wsSettings.GetRequestHeader()
 	if ed != nil {
 		header.Set("Sec-WebSocket-Protocol", base64.StdEncoding.EncodeToString(ed))

transport/internet/websocket/dialer.html

@@ -0,0 +1,55 @@
+<!DOCTYPE html>
+<html>
+<head>
+	<title>Browser Dialer</title>
+</head>
+<body>
+	<script>
+		// Copyright (c) 2021 XRAY. Mozilla Public License 2.0.
+		var url = "ws://" + window.location.host + "/websocket"
+		var count = 0
+		setInterval(check, 1000)
+		function check() {
+			if (count <= 0) {
+				count += 1
+				console.log("Prepare", url)
+				var ws = new WebSocket(url)
+				var wss = undefined
+				var first = true
+				ws.onmessage = function (event) {
+					if (first) {
+						first = false
+						count -= 1
+						var arr = event.data.split(" ")
+						console.log("Dial", arr[0], arr[1])
+						wss = new WebSocket(arr[0], arr[1])
+						var opened = false
+						wss.onopen = function (event) {
+							opened = true
+							ws.send("ok")
+						}
+						wss.onmessage = function (event) {
+							ws.send(event.data)
+						}
+						wss.onclose = function (event) {
+							ws.close()
+						}
+						wss.onerror = function (event) {
+							!opened && ws.send("fail")
+							wss.close()
+						}
+						check()
+					} else wss.send(event.data)
+				}
+				ws.onclose = function (event) {
+					if (first) count -= 1
+					else wss.close()
+				}
+				ws.onerror = function (event) {
+					ws.close()
+				}
+			}
+		}
+	</script>
+</body>
+</html>

transport/internet/websocket/hub.go

@@ -7,6 +7,7 @@ import (
 	"encoding/base64"
 	"io"
 	"net/http"
+	"strings"
 	"sync"
 	"time"
 
@@ -25,6 +26,8 @@ type requestHandler struct {
 	ln   *Listener
 }
 
+var replacer = strings.NewReplacer("+", "-", "/", "_", "=", "")
+
 var upgrader = &websocket.Upgrader{
 	ReadBufferSize:   4 * 1024,
 	WriteBufferSize:  4 * 1024,
@@ -39,7 +42,17 @@ func (h *requestHandler) ServeHTTP(writer http.ResponseWriter, request *http.Req
 		writer.WriteHeader(http.StatusNotFound)
 		return
 	}
-	conn, err := upgrader.Upgrade(writer, request, nil)
+
+	var extraReader io.Reader
+	var responseHeader = http.Header{}
+	if str := request.Header.Get("Sec-WebSocket-Protocol"); str != "" {
+		if ed, err := base64.RawURLEncoding.DecodeString(replacer.Replace(str)); err == nil && len(ed) > 0 {
+			extraReader = bytes.NewReader(ed)
+			responseHeader.Set("Sec-WebSocket-Protocol", str)
+		}
+	}
+
+	conn, err := upgrader.Upgrade(writer, request, responseHeader)
 	if err != nil {
 		newError("failed to convert to WebSocket connection").Base(err).WriteToLog()
 		return
@@ -54,12 +67,6 @@ func (h *requestHandler) ServeHTTP(writer http.ResponseWriter, request *http.Req
 		}
 	}
 
-	var extraReader io.Reader
-	if str := request.Header.Get("Sec-WebSocket-Protocol"); str != "" {
-		if ed, err := base64.StdEncoding.DecodeString(str); err == nil && len(ed) > 0 {
-			extraReader = bytes.NewReader(ed)
-		}
-	}
 	h.ln.addConn(newConnection(conn, remoteAddr, extraReader))
 }
 
@@ -82,7 +89,8 @@ func ListenWS(ctx context.Context, address net.Address, port net.Port, streamSet
 		if streamSettings.SocketSettings == nil {
 			streamSettings.SocketSettings = &internet.SocketConfig{}
 		}
-		streamSettings.SocketSettings.AcceptProxyProtocol = l.config.AcceptProxyProtocol
+		streamSettings.SocketSettings.AcceptProxyProtocol =
+			l.config.AcceptProxyProtocol || streamSettings.SocketSettings.AcceptProxyProtocol
 	}
 	var listener net.Listener
 	var err error
@@ -128,7 +136,7 @@ func ListenWS(ctx context.Context, address net.Address, port net.Port, streamSet
 			ln:   l,
 		},
 		ReadHeaderTimeout: time.Second * 4,
-		MaxHeaderBytes:    2048,
+		MaxHeaderBytes:    4096,
 	}
 
 	go func() {