Update version 1.5.8

Fix DoS attack vulnerability in VMess Option Processing
Add shadowsocks 2022 relay service
2025-08-22 09:36:49 +08:00 · 2022-06-19 19:14:53 -04:00 · 2022-06-19 19:13:37 -04:00 · 2022-06-19 22:17:23 +08:00 · 2022-06-11 08:01:30 -04:00 · 2022-06-10 15:53:05 +08:00
13 changed files with 551 additions and 124 deletions
--- a/README.md
+++ b/README.md
@@ -49,6 +49,7 @@
  - [Kitsunebi](https://github.com/rurirei/Kitsunebi/tree/release_xtls)
 - iOS & macOS (with M1 chip)
  - [Shadowrocket](https://apps.apple.com/app/shadowrocket/id932747118)
+  - [Stash](https://apps.apple.com/app/stash/id1596063349)
 - macOS (Intel chip & M1 chip)
  - [Qv2ray](https://github.com/Qv2ray/Qv2ray) (This project had been archived and currently inactive)
  - [V2RayXS](https://github.com/tzmax/V2RayXS)
--- a/core/core.go
+++ b/core/core.go
@@ -18,7 +18,7 @@ import (
 )

 var (
-	version  = "1.5.7"
+	version  = "1.5.8"
 	build    = "Custom"
 	codename = "Xray, Penetrates Everything."
 	intro    = "A unified platform for anti-censorship."
--- a/go.mod
+++ b/go.mod
@@ -8,25 +8,25 @@ require (
 	github.com/golang/protobuf v1.5.2
 	github.com/google/go-cmp v0.5.8
 	github.com/gorilla/websocket v1.5.0
-	github.com/lucas-clemente/quic-go v0.27.1
+	github.com/lucas-clemente/quic-go v0.27.2
 	github.com/marten-seemann/qtls-go1-16 v0.1.5
-	github.com/marten-seemann/qtls-go1-17 v0.1.1
-	github.com/marten-seemann/qtls-go1-18 v0.1.1
+	github.com/marten-seemann/qtls-go1-17 v0.1.2
+	github.com/marten-seemann/qtls-go1-18 v0.1.2
 	github.com/miekg/dns v1.1.49
 	github.com/pelletier/go-toml v1.9.5
 	github.com/pires/go-proxyproto v0.6.2
 	github.com/refraction-networking/utls v1.1.0
-	github.com/sagernet/sing v0.0.0-20220605012533-e0f722558141
-	github.com/sagernet/sing-shadowsocks v0.0.0-20220605012719-1e22882ea853
+	github.com/sagernet/sing v0.0.0-20220619130320-8793fe5e067d
+	github.com/sagernet/sing-shadowsocks v0.0.0-20220619134218-830a2f478eb1
 	github.com/seiflotfy/cuckoofilter v0.0.0-20220411075957-e3b120b3f5fb
-	github.com/stretchr/testify v1.7.1
+	github.com/stretchr/testify v1.7.2
 	github.com/v2fly/ss-bloomring v0.0.0-20210312155135-28617310f63e
 	github.com/xtls/go v0.0.0-20210920065950-d4af136d3672
 	go.starlark.net v0.0.0-20220328144851-d1966c6b9fcd
 	golang.org/x/crypto v0.0.0-20220525230936-793ad666bf5e
-	golang.org/x/net v0.0.0-20220531201128-c960675eff93
+	golang.org/x/net v0.0.0-20220607020251-c690dde0001d
 	golang.org/x/sync v0.0.0-20220601150217-0de741cfad7f
-	golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a
+	golang.org/x/sys v0.0.0-20220615213510-4f61da869c0c
 	google.golang.org/grpc v1.47.0
 	google.golang.org/protobuf v1.28.0
 	h12.io/socks v1.0.3
--- a/go.sum
+++ b/go.sum
@@ -118,17 +118,17 @@ 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 v0.27.1 h1:sOw+4kFSVrdWOYmUjufQ9GBVPqZ+tu+jMtXxXNmRJyk=
-github.com/lucas-clemente/quic-go v0.27.1/go.mod h1:AzgQoPda7N+3IqMMMkywBKggIFo2KT6pfnlrQ2QieeI=
+github.com/lucas-clemente/quic-go v0.27.2 h1:zsMwwniyybb8B/UDNXRSYee7WpQJVOcjQEGgpw2ikXs=
+github.com/lucas-clemente/quic-go v0.27.2/go.mod h1:vXgO/11FBSKM+js1NxoaQ/bPtVFYfB7uxhfHXyMhl1A=
 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-go1-16 v0.1.5 h1:o9JrYPPco/Nukd/HpOHMHZoBDXQqoNtUCmny98/1uqQ=
 github.com/marten-seemann/qtls-go1-16 v0.1.5/go.mod h1:gNpI2Ol+lRS3WwSOtIUUtRwZEQMXjYK+dQSBFbethAk=
-github.com/marten-seemann/qtls-go1-17 v0.1.1 h1:DQjHPq+aOzUeh9/lixAGunn6rIOQyWChPSI4+hgW7jc=
-github.com/marten-seemann/qtls-go1-17 v0.1.1/go.mod h1:C2ekUKcDdz9SDWxec1N/MvcXBpaX9l3Nx67XaR84L5s=
-github.com/marten-seemann/qtls-go1-18 v0.1.1 h1:qp7p7XXUFL7fpBvSS1sWD+uSqPvzNQK43DH+/qEkj0Y=
-github.com/marten-seemann/qtls-go1-18 v0.1.1/go.mod h1:mJttiymBAByA49mhlNZZGrH5u1uXYZJ+RW28Py7f4m4=
+github.com/marten-seemann/qtls-go1-17 v0.1.2 h1:JADBlm0LYiVbuSySCHeY863dNkcpMmDR7s0bLKJeYlQ=
+github.com/marten-seemann/qtls-go1-17 v0.1.2/go.mod h1:C2ekUKcDdz9SDWxec1N/MvcXBpaX9l3Nx67XaR84L5s=
+github.com/marten-seemann/qtls-go1-18 v0.1.2 h1:JH6jmzbduz0ITVQ7ShevK10Av5+jBEKAHMntXmIV7kM=
+github.com/marten-seemann/qtls-go1-18 v0.1.2/go.mod h1:mJttiymBAByA49mhlNZZGrH5u1uXYZJ+RW28Py7f4m4=
 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 v1.1.49 h1:qe0mQU3Z/XpFeE+AEBo2rqaS1IPBJ3anmqZ4XiZJVG8=
@@ -172,10 +172,10 @@ github.com/riobard/go-bloom v0.0.0-20200614022211-cdc8013cb5b3 h1:f/FNXud6gA3MNr
 github.com/riobard/go-bloom v0.0.0-20200614022211-cdc8013cb5b3/go.mod h1:HgjTstvQsPGkxUsCd2KWxErBblirPizecHcpD3ffK+s=
 github.com/rogpeppe/fastuuid v1.2.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6LYCDYWNEvQ=
 github.com/russross/blackfriday v1.5.2/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR/rfWxYHBV53g=
-github.com/sagernet/sing v0.0.0-20220605012533-e0f722558141 h1:YN9EeHRIFYKei1woz2OucLTSpiNrULAHH+jl6upDemQ=
-github.com/sagernet/sing v0.0.0-20220605012533-e0f722558141/go.mod h1:w2HnJzXKHpD6F5Z/9XlSD4qbcpHY2RSZuQnFzqgELMg=
-github.com/sagernet/sing-shadowsocks v0.0.0-20220605012719-1e22882ea853 h1:t1pn8v3kPvlaST/fY7GsPV8yIUFJDXzNcmSYQ+nrbEM=
-github.com/sagernet/sing-shadowsocks v0.0.0-20220605012719-1e22882ea853/go.mod h1:Afu8UIFlEwxTnlidTMSWqWHIduAWOrwY0tFr2LxBACQ=
+github.com/sagernet/sing v0.0.0-20220619130320-8793fe5e067d h1:zr8y4wmNIxv6Kkvgqysx8Piy82ATAThEj1jaEf23YQs=
+github.com/sagernet/sing v0.0.0-20220619130320-8793fe5e067d/go.mod h1:I67R/q5f67xDExL2kL3RLIP7kGJBOPkYXkpRAykgC+E=
+github.com/sagernet/sing-shadowsocks v0.0.0-20220619134218-830a2f478eb1 h1:3GEdnWbuSX4XwSKnxLUB/1rMXUxSVKeyRhEeT7k7N1Q=
+github.com/sagernet/sing-shadowsocks v0.0.0-20220619134218-830a2f478eb1/go.mod h1:xk8Hh1hQiTeiY6jHCQjaxxN8M6B94JoGaNx5q61naE8=
 github.com/seiflotfy/cuckoofilter v0.0.0-20220411075957-e3b120b3f5fb h1:XfLJSPIOUX+osiMraVgIrMR27uMXnRJWGm1+GL8/63U=
 github.com/seiflotfy/cuckoofilter v0.0.0-20220411075957-e3b120b3f5fb/go.mod h1:bR6DqgcAl1zTcOX8/pE2Qkj9XO00eCNqmKb7lXP8EAg=
 github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo=
@@ -208,8 +208,8 @@ github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXf
 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/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
-github.com/stretchr/testify v1.7.1 h1:5TQK59W5E3v0r2duFAb7P95B6hEeOyEnHRa8MjYSMTY=
-github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.7.2 h1:4jaiDzPyXQvSd7D0EjG45355tLlV3VOECpq10pLC+8s=
+github.com/stretchr/testify v1.7.2/go.mod h1:R6va5+xMeoiuVRoj+gSkQ7d3FALtqAAGI1FQKckRals=
 github.com/tarm/serial v0.0.0-20180830185346-98f6abe2eb07/go.mod h1:kDXzergiv9cbyO7IOYJZWg1U88JhDg3PB6klq9Hg2pA=
 github.com/v2fly/ss-bloomring v0.0.0-20210312155135-28617310f63e h1:5QefA066A1tF8gHIiADmOVOV5LS43gt3ONnlEl3xkwI=
 github.com/v2fly/ss-bloomring v0.0.0-20210312155135-28617310f63e/go.mod h1:5t19P9LBIrNamL6AcMQOncg/r10y3Pc01AbHeMhwlpU=
@@ -260,8 +260,8 @@ golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwY
 golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM=
 golang.org/x/net v0.0.0-20210428140749-89ef3d95e781/go.mod h1:OJAsFXCWl8Ukc7SiCT/9KSuxbyM7479/AVlXFRxuMCk=
 golang.org/x/net v0.0.0-20210726213435-c6fcb2dbf985/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
-golang.org/x/net v0.0.0-20220531201128-c960675eff93 h1:MYimHLfoXEpOhqd/zgoA/uoXzHB86AEky4LAx5ij9xA=
-golang.org/x/net v0.0.0-20220531201128-c960675eff93/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
+golang.org/x/net v0.0.0-20220607020251-c690dde0001d h1:4SFsTMi4UahlKoloni7L4eYzhFRifURQLw+yv0QDCx8=
+golang.org/x/net v0.0.0-20220607020251-c690dde0001d/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
 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=
@@ -299,8 +299,8 @@ golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220412211240-33da011f77ad/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a h1:dGzPydgVsqGcTRVwiLJ1jVbufYwmzD3LfVPLKsKg+0k=
-golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220615213510-4f61da869c0c h1:aFV+BgZ4svzjfabn8ERpuB4JI4N6/rdy1iusx77G3oU=
+golang.org/x/sys v0.0.0-20220615213510-4f61da869c0c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 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=
--- a/proxy/shadowsocks_2022/config.pb.go
+++ b/proxy/shadowsocks_2022/config.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.0
-// 	protoc        v3.20.1
+// 	protoc        v3.21.1
 // source: proxy/shadowsocks_2022/config.proto

 package shadowsocks_2022
@@ -171,6 +171,156 @@ func (x *MultiUserServerConfig) GetNetwork() []net.Network {
 	return nil
 }

+type RelayDestination struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Key     string          `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
+	Address *net.IPOrDomain `protobuf:"bytes,2,opt,name=address,proto3" json:"address,omitempty"`
+	Port    uint32          `protobuf:"varint,3,opt,name=port,proto3" json:"port,omitempty"`
+	Email   string          `protobuf:"bytes,4,opt,name=email,proto3" json:"email,omitempty"`
+	Level   int32           `protobuf:"varint,5,opt,name=level,proto3" json:"level,omitempty"`
+}
+
+func (x *RelayDestination) Reset() {
+	*x = RelayDestination{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_proxy_shadowsocks_2022_config_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *RelayDestination) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RelayDestination) ProtoMessage() {}
+
+func (x *RelayDestination) ProtoReflect() protoreflect.Message {
+	mi := &file_proxy_shadowsocks_2022_config_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RelayDestination.ProtoReflect.Descriptor instead.
+func (*RelayDestination) Descriptor() ([]byte, []int) {
+	return file_proxy_shadowsocks_2022_config_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *RelayDestination) GetKey() string {
+	if x != nil {
+		return x.Key
+	}
+	return ""
+}
+
+func (x *RelayDestination) GetAddress() *net.IPOrDomain {
+	if x != nil {
+		return x.Address
+	}
+	return nil
+}
+
+func (x *RelayDestination) GetPort() uint32 {
+	if x != nil {
+		return x.Port
+	}
+	return 0
+}
+
+func (x *RelayDestination) GetEmail() string {
+	if x != nil {
+		return x.Email
+	}
+	return ""
+}
+
+func (x *RelayDestination) GetLevel() int32 {
+	if x != nil {
+		return x.Level
+	}
+	return 0
+}
+
+type RelayServerConfig struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Method       string              `protobuf:"bytes,1,opt,name=method,proto3" json:"method,omitempty"`
+	Key          string              `protobuf:"bytes,2,opt,name=key,proto3" json:"key,omitempty"`
+	Destinations []*RelayDestination `protobuf:"bytes,3,rep,name=destinations,proto3" json:"destinations,omitempty"`
+	Network      []net.Network       `protobuf:"varint,4,rep,packed,name=network,proto3,enum=xray.common.net.Network" json:"network,omitempty"`
+}
+
+func (x *RelayServerConfig) Reset() {
+	*x = RelayServerConfig{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_proxy_shadowsocks_2022_config_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *RelayServerConfig) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RelayServerConfig) ProtoMessage() {}
+
+func (x *RelayServerConfig) ProtoReflect() protoreflect.Message {
+	mi := &file_proxy_shadowsocks_2022_config_proto_msgTypes[3]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RelayServerConfig.ProtoReflect.Descriptor instead.
+func (*RelayServerConfig) Descriptor() ([]byte, []int) {
+	return file_proxy_shadowsocks_2022_config_proto_rawDescGZIP(), []int{3}
+}
+
+func (x *RelayServerConfig) GetMethod() string {
+	if x != nil {
+		return x.Method
+	}
+	return ""
+}
+
+func (x *RelayServerConfig) GetKey() string {
+	if x != nil {
+		return x.Key
+	}
+	return ""
+}
+
+func (x *RelayServerConfig) GetDestinations() []*RelayDestination {
+	if x != nil {
+		return x.Destinations
+	}
+	return nil
+}
+
+func (x *RelayServerConfig) GetNetwork() []net.Network {
+	if x != nil {
+		return x.Network
+	}
+	return nil
+}
+
 type User struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -184,7 +334,7 @@ type User struct {
 func (x *User) Reset() {
 	*x = User{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_proxy_shadowsocks_2022_config_proto_msgTypes[2]
+		mi := &file_proxy_shadowsocks_2022_config_proto_msgTypes[4]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -197,7 +347,7 @@ func (x *User) String() string {
 func (*User) ProtoMessage() {}

 func (x *User) ProtoReflect() protoreflect.Message {
-	mi := &file_proxy_shadowsocks_2022_config_proto_msgTypes[2]
+	mi := &file_proxy_shadowsocks_2022_config_proto_msgTypes[4]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -210,7 +360,7 @@ func (x *User) ProtoReflect() protoreflect.Message {

 // Deprecated: Use User.ProtoReflect.Descriptor instead.
 func (*User) Descriptor() ([]byte, []int) {
-	return file_proxy_shadowsocks_2022_config_proto_rawDescGZIP(), []int{2}
+	return file_proxy_shadowsocks_2022_config_proto_rawDescGZIP(), []int{4}
 }

 func (x *User) GetKey() string {
@@ -249,7 +399,7 @@ type ClientConfig struct {
 func (x *ClientConfig) Reset() {
 	*x = ClientConfig{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_proxy_shadowsocks_2022_config_proto_msgTypes[3]
+		mi := &file_proxy_shadowsocks_2022_config_proto_msgTypes[5]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -262,7 +412,7 @@ func (x *ClientConfig) String() string {
 func (*ClientConfig) ProtoMessage() {}

 func (x *ClientConfig) ProtoReflect() protoreflect.Message {
-	mi := &file_proxy_shadowsocks_2022_config_proto_msgTypes[3]
+	mi := &file_proxy_shadowsocks_2022_config_proto_msgTypes[5]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -275,7 +425,7 @@ func (x *ClientConfig) ProtoReflect() protoreflect.Message {

 // Deprecated: Use ClientConfig.ProtoReflect.Descriptor instead.
 func (*ClientConfig) Descriptor() ([]byte, []int) {
-	return file_proxy_shadowsocks_2022_config_proto_rawDescGZIP(), []int{3}
+	return file_proxy_shadowsocks_2022_config_proto_rawDescGZIP(), []int{5}
 }

 func (x *ClientConfig) GetAddress() *net.IPOrDomain {
@@ -344,29 +494,52 @@ var file_proxy_shadowsocks_2022_config_proto_rawDesc = []byte{
 	0x0a, 0x07, 0x6e, 0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x18, 0x04, 0x20, 0x03, 0x28, 0x0e, 0x32,
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+	0x33,
 }

 var (
@@ -381,25 +554,30 @@ func file_proxy_shadowsocks_2022_config_proto_rawDescGZIP() []byte {
 	return file_proxy_shadowsocks_2022_config_proto_rawDescData
 }

-var file_proxy_shadowsocks_2022_config_proto_msgTypes = make([]protoimpl.MessageInfo, 4)
+var file_proxy_shadowsocks_2022_config_proto_msgTypes = make([]protoimpl.MessageInfo, 6)
 var file_proxy_shadowsocks_2022_config_proto_goTypes = []interface{}{
 	(*ServerConfig)(nil),          // 0: xray.proxy.shadowsocks_2022.ServerConfig
 	(*MultiUserServerConfig)(nil), // 1: xray.proxy.shadowsocks_2022.MultiUserServerConfig
-	(*User)(nil),                  // 2: xray.proxy.shadowsocks_2022.User
-	(*ClientConfig)(nil),          // 3: xray.proxy.shadowsocks_2022.ClientConfig
-	(net.Network)(0),              // 4: xray.common.net.Network
-	(*net.IPOrDomain)(nil),        // 5: xray.common.net.IPOrDomain
+	(*RelayDestination)(nil),      // 2: xray.proxy.shadowsocks_2022.RelayDestination
+	(*RelayServerConfig)(nil),     // 3: xray.proxy.shadowsocks_2022.RelayServerConfig
+	(*User)(nil),                  // 4: xray.proxy.shadowsocks_2022.User
+	(*ClientConfig)(nil),          // 5: xray.proxy.shadowsocks_2022.ClientConfig
+	(net.Network)(0),              // 6: xray.common.net.Network
+	(*net.IPOrDomain)(nil),        // 7: xray.common.net.IPOrDomain
 }
 var file_proxy_shadowsocks_2022_config_proto_depIdxs = []int32{
-	4, // 0: xray.proxy.shadowsocks_2022.ServerConfig.network:type_name -> xray.common.net.Network
-	2, // 1: xray.proxy.shadowsocks_2022.MultiUserServerConfig.users:type_name -> xray.proxy.shadowsocks_2022.User
-	4, // 2: xray.proxy.shadowsocks_2022.MultiUserServerConfig.network:type_name -> xray.common.net.Network
-	5, // 3: xray.proxy.shadowsocks_2022.ClientConfig.address:type_name -> xray.common.net.IPOrDomain
-	4, // [4:4] is the sub-list for method output_type
-	4, // [4:4] is the sub-list for method input_type
-	4, // [4:4] is the sub-list for extension type_name
-	4, // [4:4] is the sub-list for extension extendee
-	0, // [0:4] is the sub-list for field type_name
+	6, // 0: xray.proxy.shadowsocks_2022.ServerConfig.network:type_name -> xray.common.net.Network
+	4, // 1: xray.proxy.shadowsocks_2022.MultiUserServerConfig.users:type_name -> xray.proxy.shadowsocks_2022.User
+	6, // 2: xray.proxy.shadowsocks_2022.MultiUserServerConfig.network:type_name -> xray.common.net.Network
+	7, // 3: xray.proxy.shadowsocks_2022.RelayDestination.address:type_name -> xray.common.net.IPOrDomain
+	2, // 4: xray.proxy.shadowsocks_2022.RelayServerConfig.destinations:type_name -> xray.proxy.shadowsocks_2022.RelayDestination
+	6, // 5: xray.proxy.shadowsocks_2022.RelayServerConfig.network:type_name -> xray.common.net.Network
+	7, // 6: xray.proxy.shadowsocks_2022.ClientConfig.address:type_name -> xray.common.net.IPOrDomain
+	7, // [7:7] is the sub-list for method output_type
+	7, // [7:7] is the sub-list for method input_type
+	7, // [7:7] is the sub-list for extension type_name
+	7, // [7:7] is the sub-list for extension extendee
+	0, // [0:7] is the sub-list for field type_name
 }

 func init() { file_proxy_shadowsocks_2022_config_proto_init() }
@@ -433,7 +611,7 @@ func file_proxy_shadowsocks_2022_config_proto_init() {
 			}
 		}
 		file_proxy_shadowsocks_2022_config_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*User); i {
+			switch v := v.(*RelayDestination); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -445,6 +623,30 @@ func file_proxy_shadowsocks_2022_config_proto_init() {
 			}
 		}
 		file_proxy_shadowsocks_2022_config_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*RelayServerConfig); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_proxy_shadowsocks_2022_config_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*User); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_proxy_shadowsocks_2022_config_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*ClientConfig); i {
 			case 0:
 				return &v.state
@@ -463,7 +665,7 @@ func file_proxy_shadowsocks_2022_config_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_proxy_shadowsocks_2022_config_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   4,
+			NumMessages:   6,
 			NumExtensions: 0,
 			NumServices:   0,
 		},
--- a/proxy/shadowsocks_2022/config.proto
+++ b/proxy/shadowsocks_2022/config.proto
@@ -24,6 +24,21 @@ message MultiUserServerConfig {
  repeated xray.common.net.Network network = 4;
 }

+message RelayDestination {
+  string key = 1;
+  xray.common.net.IPOrDomain address = 2;
+  uint32 port = 3;
+  string email = 4;
+  int32 level = 5;
+}
+
+message RelayServerConfig {
+  string method = 1;
+  string key = 2;
+  repeated RelayDestination destinations = 3;
+  repeated xray.common.net.Network network = 4;
+}
+
 message User {
  string key = 1;
  string email = 2;
--- a/proxy/shadowsocks_2022/inbound_multi.go
+++ b/proxy/shadowsocks_2022/inbound_multi.go
@@ -5,9 +5,11 @@ package shadowsocks_2022
 import (
 	"context"
 	"encoding/base64"
+	"strconv"

 	"github.com/sagernet/sing-shadowsocks"
 	"github.com/sagernet/sing-shadowsocks/shadowaead_2022"
+	C "github.com/sagernet/sing/common"
 	B "github.com/sagernet/sing/common/buf"
 	"github.com/sagernet/sing/common/bufio"
 	E "github.com/sagernet/sing/common/exceptions"
@@ -63,17 +65,16 @@ func NewMultiServer(ctx context.Context, config *MultiUserServerConfig) (*MultiU
 	for i, user := range config.Users {
 		if user.Email == "" {
 			u := uuid.New()
-			user.Email = "(user with empty email - " + u.String() + ")"
-		}
-		uPSK, err := base64.StdEncoding.DecodeString(user.Key)
-		if err != nil {
-			return nil, newError("parse user key for ", user.Email).Base(err)
-		}
-		err = service.AddUser(i, uPSK)
-		if err != nil {
-			return nil, newError("add user").Base(err)
+			user.Email = "unnamed-user-" + strconv.Itoa(i) + "-" + u.String()
 		}
 	}
+	err = service.UpdateUsersWithPasswords(
+		C.MapIndexed(config.Users, func(index int, it *User) int { return index }),
+		C.Map(config.Users, func(it *User) string { return it.Key }),
+	)
+	if err != nil {
+		return nil, newError("create service").Base(err)
+	}

 	inbound.service = service
 	return inbound, nil
--- a/proxy/shadowsocks_2022/inbound_relay.go
+++ b/proxy/shadowsocks_2022/inbound_relay.go
@@ -0,0 +1,181 @@
+package shadowsocks_2022
+
+import (
+	"context"
+	"strconv"
+	"strings"
+
+	"github.com/sagernet/sing-shadowsocks"
+	"github.com/sagernet/sing-shadowsocks/shadowaead_2022"
+	C "github.com/sagernet/sing/common"
+	B "github.com/sagernet/sing/common/buf"
+	"github.com/sagernet/sing/common/bufio"
+	E "github.com/sagernet/sing/common/exceptions"
+	M "github.com/sagernet/sing/common/metadata"
+	N "github.com/sagernet/sing/common/network"
+	"github.com/xtls/xray-core/common"
+	"github.com/xtls/xray-core/common/buf"
+	"github.com/xtls/xray-core/common/log"
+	"github.com/xtls/xray-core/common/net"
+	"github.com/xtls/xray-core/common/protocol"
+	"github.com/xtls/xray-core/common/session"
+	"github.com/xtls/xray-core/common/uuid"
+	"github.com/xtls/xray-core/features/routing"
+	"github.com/xtls/xray-core/transport/internet/stat"
+)
+
+func init() {
+	common.Must(common.RegisterConfig((*RelayServerConfig)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
+		return NewRelayServer(ctx, config.(*RelayServerConfig))
+	}))
+}
+
+type RelayInbound struct {
+	networks     []net.Network
+	destinations []*RelayDestination
+	service      *shadowaead_2022.RelayService[int]
+}
+
+func NewRelayServer(ctx context.Context, config *RelayServerConfig) (*RelayInbound, error) {
+	networks := config.Network
+	if len(networks) == 0 {
+		networks = []net.Network{
+			net.Network_TCP,
+			net.Network_UDP,
+		}
+	}
+	inbound := &RelayInbound{
+		networks:     networks,
+		destinations: config.Destinations,
+	}
+	if !C.Contains(shadowaead_2022.List, config.Method) || !strings.Contains(config.Method, "aes") {
+		return nil, newError("unsupported method ", config.Method)
+	}
+	service, err := shadowaead_2022.NewRelayServiceWithPassword[int](config.Method, config.Key, 500, inbound)
+	if err != nil {
+		return nil, newError("create service").Base(err)
+	}
+
+	for i, destination := range config.Destinations {
+		if destination.Email == "" {
+			u := uuid.New()
+			destination.Email = "unnamed-destination-" + strconv.Itoa(i) + "-" + u.String()
+		}
+	}
+	err = service.UpdateUsersWithPasswords(
+		C.MapIndexed(config.Destinations, func(index int, it *RelayDestination) int { return index }),
+		C.Map(config.Destinations, func(it *RelayDestination) string { return it.Key }),
+		C.Map(config.Destinations, func(it *RelayDestination) M.Socksaddr {
+			return toSocksaddr(net.Destination{
+				Address: it.Address.AsAddress(),
+				Port:    net.Port(it.Port),
+			})
+		}),
+	)
+	if err != nil {
+		return nil, newError("create service").Base(err)
+	}
+	inbound.service = service
+	return inbound, nil
+}
+
+func (i *RelayInbound) Network() []net.Network {
+	return i.networks
+}
+
+func (i *RelayInbound) Process(ctx context.Context, network net.Network, connection stat.Connection, dispatcher routing.Dispatcher) error {
+	inbound := session.InboundFromContext(ctx)
+
+	var metadata M.Metadata
+	if inbound.Source.IsValid() {
+		metadata.Source = M.ParseSocksaddr(inbound.Source.NetAddr())
+	}
+
+	ctx = session.ContextWithDispatcher(ctx, dispatcher)
+
+	if network == net.Network_TCP {
+		return returnError(i.service.NewConnection(ctx, connection, metadata))
+	} else {
+		reader := buf.NewReader(connection)
+		pc := &natPacketConn{connection}
+		for {
+			mb, err := reader.ReadMultiBuffer()
+			if err != nil {
+				buf.ReleaseMulti(mb)
+				return returnError(err)
+			}
+			for _, buffer := range mb {
+				err = i.service.NewPacket(ctx, pc, B.As(buffer.Bytes()).ToOwned(), metadata)
+				if err != nil {
+					buf.ReleaseMulti(mb)
+					return err
+				}
+				buffer.Release()
+			}
+		}
+	}
+}
+
+func (i *RelayInbound) NewConnection(ctx context.Context, conn net.Conn, metadata M.Metadata) error {
+	userCtx := ctx.(*shadowsocks.UserContext[int])
+	inbound := session.InboundFromContext(ctx)
+	user := i.destinations[userCtx.User]
+	inbound.User = &protocol.MemoryUser{
+		Email: user.Email,
+		Level: uint32(user.Level),
+	}
+	ctx = log.ContextWithAccessMessage(userCtx.Context, &log.AccessMessage{
+		From:   metadata.Source,
+		To:     metadata.Destination,
+		Status: log.AccessAccepted,
+		Email:  user.Email,
+	})
+	newError("tunnelling request to tcp:", metadata.Destination).WriteToLog(session.ExportIDToError(ctx))
+	dispatcher := session.DispatcherFromContext(ctx)
+	link, err := dispatcher.Dispatch(ctx, toDestination(metadata.Destination, net.Network_TCP))
+	if err != nil {
+		return err
+	}
+	outConn := &pipeConnWrapper{
+		&buf.BufferedReader{Reader: link.Reader},
+		link.Writer,
+		conn,
+	}
+	return bufio.CopyConn(ctx, conn, outConn)
+}
+
+func (i *RelayInbound) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata M.Metadata) error {
+	userCtx := ctx.(*shadowsocks.UserContext[int])
+	inbound := session.InboundFromContext(ctx)
+	user := i.destinations[userCtx.User]
+	inbound.User = &protocol.MemoryUser{
+		Email: user.Email,
+		Level: uint32(user.Level),
+	}
+	ctx = log.ContextWithAccessMessage(userCtx.Context, &log.AccessMessage{
+		From:   metadata.Source,
+		To:     metadata.Destination,
+		Status: log.AccessAccepted,
+		Email:  user.Email,
+	})
+	newError("tunnelling request to udp:", metadata.Destination).WriteToLog(session.ExportIDToError(ctx))
+	dispatcher := session.DispatcherFromContext(ctx)
+	destination := toDestination(metadata.Destination, net.Network_UDP)
+	link, err := dispatcher.Dispatch(ctx, destination)
+	if err != nil {
+		return err
+	}
+	outConn := &packetConnWrapper{
+		Reader: link.Reader,
+		Writer: link.Writer,
+		Dest:   destination,
+	}
+	return bufio.CopyPacketConn(ctx, conn, outConn)
+}
+
+func (i *RelayInbound) HandleError(err error) {
+	if E.IsClosed(err) {
+		return
+	}
+	newError(err).AtWarning().WriteToLog()
+}
--- a/proxy/shadowsocks_2022/outbound.go
+++ b/proxy/shadowsocks_2022/outbound.go
@@ -141,7 +141,7 @@ func (o *Outbound) Process(ctx context.Context, link *transport.Link, dialer int
 		if pc, isPacketConn := inboundConn.(N.PacketConn); isPacketConn {
 			packetConn = pc
 		} else if nc, isNetPacket := inboundConn.(net.PacketConn); isNetPacket {
-			packetConn = &bufio.PacketConnWrapper{PacketConn: nc}
+			packetConn = bufio.NewPacketConn(nc)
 		} else {
 			packetConn = &packetConnWrapper{
 				Reader: link.Reader,
--- a/proxy/vmess/encoding/client.go
+++ b/proxy/vmess/encoding/client.go
@@ -136,31 +136,35 @@ func (c *ClientSession) EncodeRequestHeader(header *protocol.RequestHeader, writ
 	return nil
 }

-func (c *ClientSession) EncodeRequestBody(request *protocol.RequestHeader, writer io.Writer) buf.Writer {
+func (c *ClientSession) EncodeRequestBody(request *protocol.RequestHeader, writer io.Writer) (buf.Writer, error) {
 	var sizeParser crypto.ChunkSizeEncoder = crypto.PlainChunkSizeParser{}
 	if request.Option.Has(protocol.RequestOptionChunkMasking) {
 		sizeParser = NewShakeSizeParser(c.requestBodyIV[:])
 	}
 	var padding crypto.PaddingLengthGenerator
 	if request.Option.Has(protocol.RequestOptionGlobalPadding) {
-		padding = sizeParser.(crypto.PaddingLengthGenerator)
+		var ok bool
+		padding, ok = sizeParser.(crypto.PaddingLengthGenerator)
+		if !ok {
+			return nil, newError("invalid option: RequestOptionGlobalPadding")
+		}
 	}

 	switch request.Security {
 	case protocol.SecurityType_NONE:
 		if request.Option.Has(protocol.RequestOptionChunkStream) {
 			if request.Command.TransferType() == protocol.TransferTypeStream {
-				return crypto.NewChunkStreamWriter(sizeParser, writer)
+				return crypto.NewChunkStreamWriter(sizeParser, writer), nil
 			}
 			auth := &crypto.AEADAuthenticator{
 				AEAD:                    new(NoOpAuthenticator),
 				NonceGenerator:          crypto.GenerateEmptyBytes(),
 				AdditionalDataGenerator: crypto.GenerateEmptyBytes(),
 			}
-			return crypto.NewAuthenticationWriter(auth, sizeParser, writer, protocol.TransferTypePacket, padding)
+			return crypto.NewAuthenticationWriter(auth, sizeParser, writer, protocol.TransferTypePacket, padding), nil
 		}

-		return buf.NewWriter(writer)
+		return buf.NewWriter(writer), nil
 	case protocol.SecurityType_LEGACY:
 		aesStream := crypto.NewAesEncryptionStream(c.requestBodyKey[:], c.requestBodyIV[:])
 		cryptionWriter := crypto.NewCryptionWriter(aesStream, writer)
@@ -170,10 +174,10 @@ func (c *ClientSession) EncodeRequestBody(request *protocol.RequestHeader, write
 				NonceGenerator:          crypto.GenerateEmptyBytes(),
 				AdditionalDataGenerator: crypto.GenerateEmptyBytes(),
 			}
-			return crypto.NewAuthenticationWriter(auth, sizeParser, cryptionWriter, request.Command.TransferType(), padding)
+			return crypto.NewAuthenticationWriter(auth, sizeParser, cryptionWriter, request.Command.TransferType(), padding), nil
 		}

-		return &buf.SequentialWriter{Writer: cryptionWriter}
+		return &buf.SequentialWriter{Writer: cryptionWriter}, nil
 	case protocol.SecurityType_AES128_GCM:
 		aead := crypto.NewAesGcm(c.requestBodyKey[:])
 		auth := &crypto.AEADAuthenticator{
@@ -192,7 +196,7 @@ func (c *ClientSession) EncodeRequestBody(request *protocol.RequestHeader, write
 			}
 			sizeParser = NewAEADSizeParser(lengthAuth)
 		}
-		return crypto.NewAuthenticationWriter(auth, sizeParser, writer, request.Command.TransferType(), padding)
+		return crypto.NewAuthenticationWriter(auth, sizeParser, writer, request.Command.TransferType(), padding), nil
 	case protocol.SecurityType_CHACHA20_POLY1305:
 		aead, err := chacha20poly1305.New(GenerateChacha20Poly1305Key(c.requestBodyKey[:]))
 		common.Must(err)
@@ -214,9 +218,9 @@ func (c *ClientSession) EncodeRequestBody(request *protocol.RequestHeader, write
 			}
 			sizeParser = NewAEADSizeParser(lengthAuth)
 		}
-		return crypto.NewAuthenticationWriter(auth, sizeParser, writer, request.Command.TransferType(), padding)
+		return crypto.NewAuthenticationWriter(auth, sizeParser, writer, request.Command.TransferType(), padding), nil
 	default:
-		panic("Unknown security type.")
+		return nil, newError("invalid option: Security")
 	}
 }

@@ -305,21 +309,25 @@ func (c *ClientSession) DecodeResponseHeader(reader io.Reader) (*protocol.Respon
 	return header, nil
 }

-func (c *ClientSession) DecodeResponseBody(request *protocol.RequestHeader, reader io.Reader) buf.Reader {
+func (c *ClientSession) DecodeResponseBody(request *protocol.RequestHeader, reader io.Reader) (buf.Reader, error) {
 	var sizeParser crypto.ChunkSizeDecoder = crypto.PlainChunkSizeParser{}
 	if request.Option.Has(protocol.RequestOptionChunkMasking) {
 		sizeParser = NewShakeSizeParser(c.responseBodyIV[:])
 	}
 	var padding crypto.PaddingLengthGenerator
 	if request.Option.Has(protocol.RequestOptionGlobalPadding) {
-		padding = sizeParser.(crypto.PaddingLengthGenerator)
+		var ok bool
+		padding, ok = sizeParser.(crypto.PaddingLengthGenerator)
+		if !ok {
+			return nil, newError("invalid option: RequestOptionGlobalPadding")
+		}
 	}

 	switch request.Security {
 	case protocol.SecurityType_NONE:
 		if request.Option.Has(protocol.RequestOptionChunkStream) {
 			if request.Command.TransferType() == protocol.TransferTypeStream {
-				return crypto.NewChunkStreamReader(sizeParser, reader)
+				return crypto.NewChunkStreamReader(sizeParser, reader), nil
 			}

 			auth := &crypto.AEADAuthenticator{
@@ -328,10 +336,10 @@ func (c *ClientSession) DecodeResponseBody(request *protocol.RequestHeader, read
 				AdditionalDataGenerator: crypto.GenerateEmptyBytes(),
 			}

-			return crypto.NewAuthenticationReader(auth, sizeParser, reader, protocol.TransferTypePacket, padding)
+			return crypto.NewAuthenticationReader(auth, sizeParser, reader, protocol.TransferTypePacket, padding), nil
 		}

-		return buf.NewReader(reader)
+		return buf.NewReader(reader), nil
 	case protocol.SecurityType_LEGACY:
 		if request.Option.Has(protocol.RequestOptionChunkStream) {
 			auth := &crypto.AEADAuthenticator{
@@ -339,10 +347,10 @@ func (c *ClientSession) DecodeResponseBody(request *protocol.RequestHeader, read
 				NonceGenerator:          crypto.GenerateEmptyBytes(),
 				AdditionalDataGenerator: crypto.GenerateEmptyBytes(),
 			}
-			return crypto.NewAuthenticationReader(auth, sizeParser, c.responseReader, request.Command.TransferType(), padding)
+			return crypto.NewAuthenticationReader(auth, sizeParser, c.responseReader, request.Command.TransferType(), padding), nil
 		}

-		return buf.NewReader(c.responseReader)
+		return buf.NewReader(c.responseReader), nil
 	case protocol.SecurityType_AES128_GCM:
 		aead := crypto.NewAesGcm(c.responseBodyKey[:])

@@ -362,7 +370,7 @@ func (c *ClientSession) DecodeResponseBody(request *protocol.RequestHeader, read
 			}
 			sizeParser = NewAEADSizeParser(lengthAuth)
 		}
-		return crypto.NewAuthenticationReader(auth, sizeParser, reader, request.Command.TransferType(), padding)
+		return crypto.NewAuthenticationReader(auth, sizeParser, reader, request.Command.TransferType(), padding), nil
 	case protocol.SecurityType_CHACHA20_POLY1305:
 		aead, _ := chacha20poly1305.New(GenerateChacha20Poly1305Key(c.responseBodyKey[:]))

@@ -383,9 +391,9 @@ func (c *ClientSession) DecodeResponseBody(request *protocol.RequestHeader, read
 			}
 			sizeParser = NewAEADSizeParser(lengthAuth)
 		}
-		return crypto.NewAuthenticationReader(auth, sizeParser, reader, request.Command.TransferType(), padding)
+		return crypto.NewAuthenticationReader(auth, sizeParser, reader, request.Command.TransferType(), padding), nil
 	default:
-		panic("Unknown security type.")
+		return nil, newError("invalid option: Security")
 	}
 }

--- a/proxy/vmess/encoding/server.go
+++ b/proxy/vmess/encoding/server.go
@@ -310,21 +310,25 @@ func (s *ServerSession) DecodeRequestHeader(reader io.Reader, isDrain bool) (*pr
 }

 // DecodeRequestBody returns Reader from which caller can fetch decrypted body.
-func (s *ServerSession) DecodeRequestBody(request *protocol.RequestHeader, reader io.Reader) buf.Reader {
+func (s *ServerSession) DecodeRequestBody(request *protocol.RequestHeader, reader io.Reader) (buf.Reader, error) {
 	var sizeParser crypto.ChunkSizeDecoder = crypto.PlainChunkSizeParser{}
 	if request.Option.Has(protocol.RequestOptionChunkMasking) {
 		sizeParser = NewShakeSizeParser(s.requestBodyIV[:])
 	}
 	var padding crypto.PaddingLengthGenerator
 	if request.Option.Has(protocol.RequestOptionGlobalPadding) {
-		padding = sizeParser.(crypto.PaddingLengthGenerator)
+		var ok bool
+		padding, ok = sizeParser.(crypto.PaddingLengthGenerator)
+		if !ok {
+			return nil, newError("invalid option: RequestOptionGlobalPadding")
+		}
 	}

 	switch request.Security {
 	case protocol.SecurityType_NONE:
 		if request.Option.Has(protocol.RequestOptionChunkStream) {
 			if request.Command.TransferType() == protocol.TransferTypeStream {
-				return crypto.NewChunkStreamReader(sizeParser, reader)
+				return crypto.NewChunkStreamReader(sizeParser, reader), nil
 			}

 			auth := &crypto.AEADAuthenticator{
@@ -332,9 +336,9 @@ func (s *ServerSession) DecodeRequestBody(request *protocol.RequestHeader, reade
 				NonceGenerator:          crypto.GenerateEmptyBytes(),
 				AdditionalDataGenerator: crypto.GenerateEmptyBytes(),
 			}
-			return crypto.NewAuthenticationReader(auth, sizeParser, reader, protocol.TransferTypePacket, padding)
+			return crypto.NewAuthenticationReader(auth, sizeParser, reader, protocol.TransferTypePacket, padding), nil
 		}
-		return buf.NewReader(reader)
+		return buf.NewReader(reader), nil

 	case protocol.SecurityType_LEGACY:
 		aesStream := crypto.NewAesDecryptionStream(s.requestBodyKey[:], s.requestBodyIV[:])
@@ -345,9 +349,9 @@ func (s *ServerSession) DecodeRequestBody(request *protocol.RequestHeader, reade
 				NonceGenerator:          crypto.GenerateEmptyBytes(),
 				AdditionalDataGenerator: crypto.GenerateEmptyBytes(),
 			}
-			return crypto.NewAuthenticationReader(auth, sizeParser, cryptionReader, request.Command.TransferType(), padding)
+			return crypto.NewAuthenticationReader(auth, sizeParser, cryptionReader, request.Command.TransferType(), padding), nil
 		}
-		return buf.NewReader(cryptionReader)
+		return buf.NewReader(cryptionReader), nil

 	case protocol.SecurityType_AES128_GCM:
 		aead := crypto.NewAesGcm(s.requestBodyKey[:])
@@ -367,7 +371,7 @@ func (s *ServerSession) DecodeRequestBody(request *protocol.RequestHeader, reade
 			}
 			sizeParser = NewAEADSizeParser(lengthAuth)
 		}
-		return crypto.NewAuthenticationReader(auth, sizeParser, reader, request.Command.TransferType(), padding)
+		return crypto.NewAuthenticationReader(auth, sizeParser, reader, request.Command.TransferType(), padding), nil

 	case protocol.SecurityType_CHACHA20_POLY1305:
 		aead, _ := chacha20poly1305.New(GenerateChacha20Poly1305Key(s.requestBodyKey[:]))
@@ -389,10 +393,10 @@ func (s *ServerSession) DecodeRequestBody(request *protocol.RequestHeader, reade
 			}
 			sizeParser = NewAEADSizeParser(lengthAuth)
 		}
-		return crypto.NewAuthenticationReader(auth, sizeParser, reader, request.Command.TransferType(), padding)
+		return crypto.NewAuthenticationReader(auth, sizeParser, reader, request.Command.TransferType(), padding), nil

 	default:
-		panic("Unknown security type.")
+		return nil, newError("invalid option: Security")
 	}
 }

@@ -453,21 +457,25 @@ func (s *ServerSession) EncodeResponseHeader(header *protocol.ResponseHeader, wr
 }

 // EncodeResponseBody returns a Writer that auto-encrypt content written by caller.
-func (s *ServerSession) EncodeResponseBody(request *protocol.RequestHeader, writer io.Writer) buf.Writer {
+func (s *ServerSession) EncodeResponseBody(request *protocol.RequestHeader, writer io.Writer) (buf.Writer, error) {
 	var sizeParser crypto.ChunkSizeEncoder = crypto.PlainChunkSizeParser{}
 	if request.Option.Has(protocol.RequestOptionChunkMasking) {
 		sizeParser = NewShakeSizeParser(s.responseBodyIV[:])
 	}
 	var padding crypto.PaddingLengthGenerator
 	if request.Option.Has(protocol.RequestOptionGlobalPadding) {
-		padding = sizeParser.(crypto.PaddingLengthGenerator)
+		var ok bool
+		padding, ok = sizeParser.(crypto.PaddingLengthGenerator)
+		if !ok {
+			return nil, newError("invalid option: RequestOptionGlobalPadding")
+		}
 	}

 	switch request.Security {
 	case protocol.SecurityType_NONE:
 		if request.Option.Has(protocol.RequestOptionChunkStream) {
 			if request.Command.TransferType() == protocol.TransferTypeStream {
-				return crypto.NewChunkStreamWriter(sizeParser, writer)
+				return crypto.NewChunkStreamWriter(sizeParser, writer), nil
 			}

 			auth := &crypto.AEADAuthenticator{
@@ -475,9 +483,9 @@ func (s *ServerSession) EncodeResponseBody(request *protocol.RequestHeader, writ
 				NonceGenerator:          crypto.GenerateEmptyBytes(),
 				AdditionalDataGenerator: crypto.GenerateEmptyBytes(),
 			}
-			return crypto.NewAuthenticationWriter(auth, sizeParser, writer, protocol.TransferTypePacket, padding)
+			return crypto.NewAuthenticationWriter(auth, sizeParser, writer, protocol.TransferTypePacket, padding), nil
 		}
-		return buf.NewWriter(writer)
+		return buf.NewWriter(writer), nil

 	case protocol.SecurityType_LEGACY:
 		if request.Option.Has(protocol.RequestOptionChunkStream) {
@@ -486,9 +494,9 @@ func (s *ServerSession) EncodeResponseBody(request *protocol.RequestHeader, writ
 				NonceGenerator:          crypto.GenerateEmptyBytes(),
 				AdditionalDataGenerator: crypto.GenerateEmptyBytes(),
 			}
-			return crypto.NewAuthenticationWriter(auth, sizeParser, s.responseWriter, request.Command.TransferType(), padding)
+			return crypto.NewAuthenticationWriter(auth, sizeParser, s.responseWriter, request.Command.TransferType(), padding), nil
 		}
-		return &buf.SequentialWriter{Writer: s.responseWriter}
+		return &buf.SequentialWriter{Writer: s.responseWriter}, nil

 	case protocol.SecurityType_AES128_GCM:
 		aead := crypto.NewAesGcm(s.responseBodyKey[:])
@@ -508,7 +516,7 @@ func (s *ServerSession) EncodeResponseBody(request *protocol.RequestHeader, writ
 			}
 			sizeParser = NewAEADSizeParser(lengthAuth)
 		}
-		return crypto.NewAuthenticationWriter(auth, sizeParser, writer, request.Command.TransferType(), padding)
+		return crypto.NewAuthenticationWriter(auth, sizeParser, writer, request.Command.TransferType(), padding), nil

 	case protocol.SecurityType_CHACHA20_POLY1305:
 		aead, _ := chacha20poly1305.New(GenerateChacha20Poly1305Key(s.responseBodyKey[:]))
@@ -530,9 +538,9 @@ func (s *ServerSession) EncodeResponseBody(request *protocol.RequestHeader, writ
 			}
 			sizeParser = NewAEADSizeParser(lengthAuth)
 		}
-		return crypto.NewAuthenticationWriter(auth, sizeParser, writer, request.Command.TransferType(), padding)
+		return crypto.NewAuthenticationWriter(auth, sizeParser, writer, request.Command.TransferType(), padding), nil

 	default:
-		panic("Unknown security type.")
+		return nil, newError("invalid option: Security")
 	}
 }
--- a/proxy/vmess/inbound/inbound.go
+++ b/proxy/vmess/inbound/inbound.go
@@ -184,8 +184,10 @@ func (h *Handler) RemoveUser(ctx context.Context, email string) error {
 func transferResponse(timer signal.ActivityUpdater, session *encoding.ServerSession, request *protocol.RequestHeader, response *protocol.ResponseHeader, input buf.Reader, output *buf.BufferedWriter) error {
 	session.EncodeResponseHeader(response, output)

-	bodyWriter := session.EncodeResponseBody(request, output)
-
+	bodyWriter, err := session.EncodeResponseBody(request, output)
+	if err != nil {
+		return newError("failed to start decoding response").Base(err)
+	}
 	{
 		// Optimize for small response packet
 		data, err := input.ReadMultiBuffer()
@@ -301,7 +303,10 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s
 	requestDone := func() error {
 		defer timer.SetTimeout(sessionPolicy.Timeouts.DownlinkOnly)

-		bodyReader := svrSession.DecodeRequestBody(request, reader)
+		bodyReader, err := svrSession.DecodeRequestBody(request, reader)
+		if err != nil {
+			return newError("failed to start decoding").Base(err)
+		}
 		if err := buf.Copy(bodyReader, link.Writer, buf.UpdateActivity(timer)); err != nil {
 			return newError("failed to transfer request").Base(err)
 		}
--- a/proxy/vmess/outbound/outbound.go
+++ b/proxy/vmess/outbound/outbound.go
@@ -158,7 +158,10 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte
 			return newError("failed to encode request").Base(err).AtWarning()
 		}

-		bodyWriter := session.EncodeRequestBody(request, writer)
+		bodyWriter, err := session.EncodeRequestBody(request, writer)
+		if err != nil {
+			return newError("failed to start encoding").Base(err)
+		}
 		bodyWriter2 := bodyWriter
 		if request.Command == protocol.RequestCommandMux && request.Port == 666 {
 			bodyWriter = xudp.NewPacketWriter(bodyWriter, target)
@@ -194,7 +197,10 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte
 		}
 		h.handleCommand(rec.Destination(), header.Command)

-		bodyReader := session.DecodeResponseBody(request, reader)
+		bodyReader, err := session.DecodeResponseBody(request, reader)
+		if err != nil {
+			return newError("failed to start encoding response").Base(err)
+		}
 		if request.Command == protocol.RequestCommandMux && request.Port == 666 {
 			bodyReader = xudp.NewPacketReader(&buf.BufferedReader{Reader: bodyReader})
 		}
Author	SHA1	Message	Date
yuhan6665	7d946562eb	Update version 1.5.8	2022-06-19 19:14:53 -04:00
Shelikhoo	d4f18b1342	Fix DoS attack vulnerability in VMess Option Processing	2022-06-19 19:13:37 -04:00
世界	ba4ce4c24f	Add shadowsocks 2022 relay service	2022-06-19 22:17:23 +08:00
Stash Networks	a1c3aed9d3	Add Stash to the iOS & macOS Client	2022-06-11 08:01:30 -04:00
世界	ec8904066a	Update dependencies	2022-06-10 15:53:05 +08:00
世界	def30a0882	Fix shadowsocks-2022 udp on 32-bit devices	2022-06-07 21:09:35 +08:00
世界	bd0cf955c7	Update shadowsocks-2022 multi-server usage	2022-06-07 11:17:08 +08:00
dependabot[bot]	e91f033c01	Bump github.com/marten-seemann/qtls-go1-18 from 0.1.1 to 0.1.2 Bumps [github.com/marten-seemann/qtls-go1-18](https://github.com/marten-seemann/qtls-go1-18) from 0.1.1 to 0.1.2. - [Release notes](https://github.com/marten-seemann/qtls-go1-18/releases) - [Commits](https://github.com/marten-seemann/qtls-go1-18/compare/v0.1.1...v0.1.2) --- updated-dependencies: - dependency-name: github.com/marten-seemann/qtls-go1-18 dependency-type: direct:production update-type: version-update:semver-patch ... Signed-off-by: dependabot[bot] <support@github.com>	2022-06-06 10:21:59 -04:00
dependabot[bot]	f1b70b4155	Bump github.com/marten-seemann/qtls-go1-17 from 0.1.1 to 0.1.2 Bumps [github.com/marten-seemann/qtls-go1-17](https://github.com/marten-seemann/qtls-go1-17) from 0.1.1 to 0.1.2. - [Release notes](https://github.com/marten-seemann/qtls-go1-17/releases) - [Commits](https://github.com/marten-seemann/qtls-go1-17/compare/v0.1.1...v0.1.2) --- updated-dependencies: - dependency-name: github.com/marten-seemann/qtls-go1-17 dependency-type: direct:production update-type: version-update:semver-patch ... Signed-off-by: dependabot[bot] <support@github.com>	2022-06-06 10:10:29 -04:00