Add shadowsocks 2022 relay service

go.mod

@@ -16,8 +16,8 @@ require (
 	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 v0.0.0-20220610074707-a30d5506be41
+	github.com/sagernet/sing v0.0.0-20220619130320-8793fe5e067d
-	github.com/sagernet/sing-shadowsocks v0.0.0-20220610074818-432dcbdb1d7c
+	github.com/sagernet/sing-shadowsocks v0.0.0-20220619134218-830a2f478eb1
 	github.com/seiflotfy/cuckoofilter v0.0.0-20220411075957-e3b120b3f5fb
 	github.com/stretchr/testify v1.7.2
 	github.com/v2fly/ss-bloomring v0.0.0-20210312155135-28617310f63e
@@ -26,7 +26,7 @@ require (
 	golang.org/x/crypto v0.0.0-20220525230936-793ad666bf5e
 	golang.org/x/net v0.0.0-20220607020251-c690dde0001d
 	golang.org/x/sync v0.0.0-20220601150217-0de741cfad7f
-	golang.org/x/sys v0.0.0-20220608164250-635b8c9b7f68
+	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

go.sum

@@ -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 v0.0.0-20220610074707-a30d5506be41 h1:vquZangXPhZJJz5PMCn/6qOYk+c4dtk/fb7HpDlof2I=
+github.com/sagernet/sing v0.0.0-20220619130320-8793fe5e067d h1:zr8y4wmNIxv6Kkvgqysx8Piy82ATAThEj1jaEf23YQs=
-github.com/sagernet/sing v0.0.0-20220610074707-a30d5506be41/go.mod h1:ZEo7wZBfJmzm8uwnbCtWEHw9GsIfSThSylZYcR+H/Zw=
+github.com/sagernet/sing v0.0.0-20220619130320-8793fe5e067d/go.mod h1:I67R/q5f67xDExL2kL3RLIP7kGJBOPkYXkpRAykgC+E=
-github.com/sagernet/sing-shadowsocks v0.0.0-20220610074818-432dcbdb1d7c h1:dapkcUcFbOwqnBwut6Dct7L695PVS6GoEqJeSRMWe0k=
+github.com/sagernet/sing-shadowsocks v0.0.0-20220619134218-830a2f478eb1 h1:3GEdnWbuSX4XwSKnxLUB/1rMXUxSVKeyRhEeT7k7N1Q=
-github.com/sagernet/sing-shadowsocks v0.0.0-20220610074818-432dcbdb1d7c/go.mod h1:ty1OoG/SgB6IccsWUS5DZBkEGKUKM8nRSWxLlqYUPx0=
+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=
@@ -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 v0.0.0-20220608164250-635b8c9b7f68 h1:z8Hj/bl9cOV2grsOpEaQFUaly0JWN3i97mo3jXKJNp0=
+golang.org/x/sys v0.0.0-20220615213510-4f61da869c0c h1:aFV+BgZ4svzjfabn8ERpuB4JI4N6/rdy1iusx77G3oU=
-golang.org/x/sys v0.0.0-20220608164250-635b8c9b7f68/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+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=

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{
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+	0x61, 0x74, 0x69, 0x6f, 0x6e, 0x52, 0x0c, 0x64, 0x65, 0x73, 0x74, 0x69, 0x6e, 0x61, 0x74, 0x69,
-	0x32, 0x30, 0x32, 0x32, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x6f, 0x6e, 0x73, 0x12, 0x32, 0x0a, 0x07, 0x6e, 0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x18, 0x04,
+	0x20, 0x03, 0x28, 0x0e, 0x32, 0x18, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x63, 0x6f, 0x6d, 0x6d,
+	0x6f, 0x6e, 0x2e, 0x6e, 0x65, 0x74, 0x2e, 0x4e, 0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x52, 0x07,
+	0x6e, 0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x22, 0x44, 0x0a, 0x04, 0x55, 0x73, 0x65, 0x72, 0x12,
+	0x10, 0x0a, 0x03, 0x6b, 0x65, 0x79, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x03, 0x6b, 0x65,
+	0x79, 0x12, 0x14, 0x0a, 0x05, 0x65, 0x6d, 0x61, 0x69, 0x6c, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09,
+	0x52, 0x05, 0x65, 0x6d, 0x61, 0x69, 0x6c, 0x12, 0x14, 0x0a, 0x05, 0x6c, 0x65, 0x76, 0x65, 0x6c,
+	0x18, 0x03, 0x20, 0x01, 0x28, 0x05, 0x52, 0x05, 0x6c, 0x65, 0x76, 0x65, 0x6c, 0x22, 0xa5, 0x01,
+	0x0a, 0x0c, 0x43, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x12, 0x35,
+	0x0a, 0x07, 0x61, 0x64, 0x64, 0x72, 0x65, 0x73, 0x73, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32,
+	0x1b, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x6e, 0x65,
+	0x74, 0x2e, 0x49, 0x50, 0x4f, 0x72, 0x44, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x52, 0x07, 0x61, 0x64,
+	0x64, 0x72, 0x65, 0x73, 0x73, 0x12, 0x12, 0x0a, 0x04, 0x70, 0x6f, 0x72, 0x74, 0x18, 0x02, 0x20,
+	0x01, 0x28, 0x0d, 0x52, 0x04, 0x70, 0x6f, 0x72, 0x74, 0x12, 0x16, 0x0a, 0x06, 0x6d, 0x65, 0x74,
+	0x68, 0x6f, 0x64, 0x18, 0x03, 0x20, 0x01, 0x28, 0x09, 0x52, 0x06, 0x6d, 0x65, 0x74, 0x68, 0x6f,
+	0x64, 0x12, 0x10, 0x0a, 0x03, 0x6b, 0x65, 0x79, 0x18, 0x04, 0x20, 0x01, 0x28, 0x09, 0x52, 0x03,
+	0x6b, 0x65, 0x79, 0x12, 0x20, 0x0a, 0x0c, 0x75, 0x64, 0x70, 0x5f, 0x6f, 0x76, 0x65, 0x72, 0x5f,
+	0x74, 0x63, 0x70, 0x18, 0x05, 0x20, 0x01, 0x28, 0x08, 0x52, 0x0a, 0x75, 0x64, 0x70, 0x4f, 0x76,
+	0x65, 0x72, 0x54, 0x63, 0x70, 0x42, 0x72, 0x0a, 0x1f, 0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61,
+	0x79, 0x2e, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2e, 0x73, 0x68, 0x61, 0x64, 0x6f, 0x77, 0x73, 0x6f,
+	0x63, 0x6b, 0x73, 0x5f, 0x32, 0x30, 0x32, 0x32, 0x50, 0x01, 0x5a, 0x30, 0x67, 0x69, 0x74, 0x68,
+	0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x78, 0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72, 0x61, 0x79,
+	0x2d, 0x63, 0x6f, 0x72, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2f, 0x73, 0x68, 0x61, 0x64,
+	0x6f, 0x77, 0x73, 0x6f, 0x63, 0x6b, 0x73, 0x5f, 0x32, 0x30, 0x32, 0x32, 0xaa, 0x02, 0x1a, 0x58,
+	0x72, 0x61, 0x79, 0x2e, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x2e, 0x53, 0x68, 0x61, 0x64, 0x6f, 0x77,
+	0x73, 0x6f, 0x63, 0x6b, 0x73, 0x32, 0x30, 0x32, 0x32, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f,
+	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
+	(*RelayDestination)(nil),      // 2: xray.proxy.shadowsocks_2022.RelayDestination
-	(*ClientConfig)(nil),          // 3: xray.proxy.shadowsocks_2022.ClientConfig
+	(*RelayServerConfig)(nil),     // 3: xray.proxy.shadowsocks_2022.RelayServerConfig
-	(net.Network)(0),              // 4: xray.common.net.Network
+	(*User)(nil),                  // 4: xray.proxy.shadowsocks_2022.User
-	(*net.IPOrDomain)(nil),        // 5: xray.common.net.IPOrDomain
+	(*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
+	6, // 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, // 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
+	6, // 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
+	7, // 3: xray.proxy.shadowsocks_2022.RelayDestination.address:type_name -> xray.common.net.IPOrDomain
-	4, // [4:4] is the sub-list for method output_type
+	2, // 4: xray.proxy.shadowsocks_2022.RelayServerConfig.destinations:type_name -> xray.proxy.shadowsocks_2022.RelayDestination
-	4, // [4:4] is the sub-list for method input_type
+	6, // 5: xray.proxy.shadowsocks_2022.RelayServerConfig.network:type_name -> xray.common.net.Network
-	4, // [4:4] is the sub-list for extension type_name
+	7, // 6: xray.proxy.shadowsocks_2022.ClientConfig.address:type_name -> xray.common.net.IPOrDomain
-	4, // [4:4] is the sub-list for extension extendee
+	7, // [7:7] is the sub-list for method output_type
-	0, // [0:4] is the sub-list for field type_name
+	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,
 		},

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;

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()
+}

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,