Fix missing user in shadowsocks-2022 inbound

proxy/shadowsocks_2022/config.pb.go

@@ -29,7 +29,8 @@ type ServerConfig struct {
 	Method  string        `protobuf:"bytes,1,opt,name=method,proto3" json:"method,omitempty"`
 	Key     string        `protobuf:"bytes,2,opt,name=key,proto3" json:"key,omitempty"`
 	Email   string        `protobuf:"bytes,3,opt,name=email,proto3" json:"email,omitempty"`
-	Network []net.Network `protobuf:"varint,4,rep,packed,name=network,proto3,enum=xray.common.net.Network" json:"network,omitempty"`
+	Level   int32         `protobuf:"varint,4,opt,name=level,proto3" json:"level,omitempty"`
+	Network []net.Network `protobuf:"varint,5,rep,packed,name=network,proto3,enum=xray.common.net.Network" json:"network,omitempty"`
 }
 
 func (x *ServerConfig) Reset() {
@@ -85,6 +86,13 @@ func (x *ServerConfig) GetEmail() string {
 	return ""
 }
 
+func (x *ServerConfig) GetLevel() int32 {
+	if x != nil {
+		return x.Level
+	}
+	return 0
+}
+
 func (x *ServerConfig) GetNetwork() []net.Network {
 	if x != nil {
 		return x.Network
@@ -170,6 +178,7 @@ type User struct {
 
 	Key   string `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
 	Email string `protobuf:"bytes,2,opt,name=email,proto3" json:"email,omitempty"`
+	Level int32  `protobuf:"varint,3,opt,name=level,proto3" json:"level,omitempty"`
 }
 
 func (x *User) Reset() {
@@ -218,6 +227,13 @@ func (x *User) GetEmail() string {
 	return ""
 }
 
+func (x *User) GetLevel() int32 {
+	if x != nil {
+		return x.Level
+	}
+	return 0
+}
+
 type ClientConfig struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -307,49 +323,52 @@ var file_proxy_shadowsocks_2022_config_proto_rawDesc = []byte{
 	0x32, 0x32, 0x1a, 0x18, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2f, 0x6e, 0x65, 0x74, 0x2f, 0x6e,
 	0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x1a, 0x18, 0x63, 0x6f,
 	0x6d, 0x6d, 0x6f, 0x6e, 0x2f, 0x6e, 0x65, 0x74, 0x2f, 0x61, 0x64, 0x64, 0x72, 0x65, 0x73, 0x73,
-	0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0x82, 0x01, 0x0a, 0x0c, 0x53, 0x65, 0x72, 0x76, 0x65,
+	0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0x98, 0x01, 0x0a, 0x0c, 0x53, 0x65, 0x72, 0x76, 0x65,
 	0x72, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x12, 0x16, 0x0a, 0x06, 0x6d, 0x65, 0x74, 0x68, 0x6f,
 	0x64, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x06, 0x6d, 0x65, 0x74, 0x68, 0x6f, 0x64, 0x12,
 	0x10, 0x0a, 0x03, 0x6b, 0x65, 0x79, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x03, 0x6b, 0x65,
 	0x79, 0x12, 0x14, 0x0a, 0x05, 0x65, 0x6d, 0x61, 0x69, 0x6c, 0x18, 0x03, 0x20, 0x01, 0x28, 0x09,
-	0x52, 0x05, 0x65, 0x6d, 0x61, 0x69, 0x6c, 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, 0xae, 0x01, 0x0a, 0x15,
-	0x4d, 0x75, 0x6c, 0x74, 0x69, 0x55, 0x73, 0x65, 0x72, 0x53, 0x65, 0x72, 0x76, 0x65, 0x72, 0x43,
-	0x6f, 0x6e, 0x66, 0x69, 0x67, 0x12, 0x16, 0x0a, 0x06, 0x6d, 0x65, 0x74, 0x68, 0x6f, 0x64, 0x18,
-	0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x06, 0x6d, 0x65, 0x74, 0x68, 0x6f, 0x64, 0x12, 0x10, 0x0a,
-	0x03, 0x6b, 0x65, 0x79, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x03, 0x6b, 0x65, 0x79, 0x12,
-	0x37, 0x0a, 0x05, 0x75, 0x73, 0x65, 0x72, 0x73, 0x18, 0x03, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x21,
-	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, 0x2e, 0x55, 0x73, 0x65,
-	0x72, 0x52, 0x05, 0x75, 0x73, 0x65, 0x72, 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, 0x2e, 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, 0x22, 0xba, 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,
+	0x52, 0x05, 0x65, 0x6d, 0x61, 0x69, 0x6c, 0x12, 0x14, 0x0a, 0x05, 0x6c, 0x65, 0x76, 0x65, 0x6c,
+	0x18, 0x04, 0x20, 0x01, 0x28, 0x05, 0x52, 0x05, 0x6c, 0x65, 0x76, 0x65, 0x6c, 0x12, 0x32, 0x0a,
+	0x07, 0x6e, 0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x18, 0x05, 0x20, 0x03, 0x28, 0x0e, 0x32, 0x18,
 	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, 0x35, 0x0a, 0x17, 0x72, 0x65, 0x64, 0x75, 0x63, 0x65, 0x64, 0x5f, 0x69, 0x76,
-	0x5f, 0x68, 0x65, 0x61, 0x64, 0x5f, 0x65, 0x6e, 0x74, 0x72, 0x6f, 0x70, 0x79, 0x18, 0x05, 0x20,
-	0x01, 0x28, 0x08, 0x52, 0x14, 0x72, 0x65, 0x64, 0x75, 0x63, 0x65, 0x64, 0x49, 0x76, 0x48, 0x65,
-	0x61, 0x64, 0x45, 0x6e, 0x74, 0x72, 0x6f, 0x70, 0x79, 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,
+	0x2e, 0x4e, 0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x52, 0x07, 0x6e, 0x65, 0x74, 0x77, 0x6f, 0x72,
+	0x6b, 0x22, 0xae, 0x01, 0x0a, 0x15, 0x4d, 0x75, 0x6c, 0x74, 0x69, 0x55, 0x73, 0x65, 0x72, 0x53,
+	0x65, 0x72, 0x76, 0x65, 0x72, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x12, 0x16, 0x0a, 0x06, 0x6d,
+	0x65, 0x74, 0x68, 0x6f, 0x64, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x06, 0x6d, 0x65, 0x74,
+	0x68, 0x6f, 0x64, 0x12, 0x10, 0x0a, 0x03, 0x6b, 0x65, 0x79, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09,
+	0x52, 0x03, 0x6b, 0x65, 0x79, 0x12, 0x37, 0x0a, 0x05, 0x75, 0x73, 0x65, 0x72, 0x73, 0x18, 0x03,
+	0x20, 0x03, 0x28, 0x0b, 0x32, 0x21, 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, 0x2e, 0x55, 0x73, 0x65, 0x72, 0x52, 0x05, 0x75, 0x73, 0x65, 0x72, 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, 0xba, 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, 0x35,
+	0x0a, 0x17, 0x72, 0x65, 0x64, 0x75, 0x63, 0x65, 0x64, 0x5f, 0x69, 0x76, 0x5f, 0x68, 0x65, 0x61,
+	0x64, 0x5f, 0x65, 0x6e, 0x74, 0x72, 0x6f, 0x70, 0x79, 0x18, 0x05, 0x20, 0x01, 0x28, 0x08, 0x52,
+	0x14, 0x72, 0x65, 0x64, 0x75, 0x63, 0x65, 0x64, 0x49, 0x76, 0x48, 0x65, 0x61, 0x64, 0x45, 0x6e,
+	0x74, 0x72, 0x6f, 0x70, 0x79, 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 (

proxy/shadowsocks_2022/config.proto

@@ -13,7 +13,8 @@ message ServerConfig {
   string method = 1;
   string key = 2;
   string email = 3;
-  repeated xray.common.net.Network network = 4;
+  int32 level = 4;
+  repeated xray.common.net.Network network = 5;
 }
 
 message MultiUserServerConfig {
@@ -26,6 +27,7 @@ message MultiUserServerConfig {
 message User {
   string key = 1;
   string email = 2;
+  int32 level = 3;
 }
 
 message ClientConfig {

proxy/shadowsocks_2022/inbound.go

@@ -16,6 +16,7 @@ import (
 	"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/features/routing"
 	"github.com/xtls/xray-core/transport/internet/stat"
@@ -31,6 +32,7 @@ type Inbound struct {
 	networks []net.Network
 	service  shadowsocks.Service
 	email    string
+	level    int
 }
 
 func NewServer(ctx context.Context, config *ServerConfig) (*Inbound, error) {
@@ -44,6 +46,7 @@ func NewServer(ctx context.Context, config *ServerConfig) (*Inbound, error) {
 	inbound := &Inbound{
 		networks: networks,
 		email:    config.Email,
+		level:    int(config.Level),
 	}
 	if !C.Contains(shadowaead_2022.List, config.Method) {
 		return nil, newError("unsupported method ", config.Method)
@@ -69,9 +72,6 @@ func (i *Inbound) Network() []net.Network {
 
 func (i *Inbound) Process(ctx context.Context, network net.Network, connection stat.Connection, dispatcher routing.Dispatcher) error {
 	inbound := session.InboundFromContext(ctx)
-	if inbound == nil {
-		panic("no inbound metadata")
-	}
 
 	var metadata M.Metadata
 	if inbound.Source.IsValid() {
@@ -101,6 +101,11 @@ func (i *Inbound) Process(ctx context.Context, network net.Network, connection s
 }
 
 func (i *Inbound) NewConnection(ctx context.Context, conn net.Conn, metadata M.Metadata) error {
+	inbound := session.InboundFromContext(ctx)
+	inbound.User = &protocol.MemoryUser{
+		Email: i.email,
+		Level: uint32(i.level),
+	}
 	ctx = log.ContextWithAccessMessage(ctx, &log.AccessMessage{
 		From:   metadata.Source,
 		To:     metadata.Destination,
@@ -122,6 +127,11 @@ func (i *Inbound) NewConnection(ctx context.Context, conn net.Conn, metadata M.M
 }
 
 func (i *Inbound) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata M.Metadata) error {
+	inbound := session.InboundFromContext(ctx)
+	inbound.User = &protocol.MemoryUser{
+		Email: i.email,
+		Level: uint32(i.level),
+	}
 	ctx = log.ContextWithAccessMessage(ctx, &log.AccessMessage{
 		From:   metadata.Source,
 		To:     metadata.Destination,

proxy/shadowsocks_2022/inbound_multi.go

@@ -15,6 +15,7 @@ import (
 	"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"
@@ -29,7 +30,8 @@ func init() {
 
 type MultiUserInbound struct {
 	networks []net.Network
-	service  *shadowaead_2022.MultiService[string]
+	users    []*User
+	service  *shadowaead_2022.MultiService[int]
 }
 
 func NewMultiServer(ctx context.Context, config *MultiUserServerConfig) (*MultiUserInbound, error) {
@@ -50,21 +52,21 @@ func NewMultiServer(ctx context.Context, config *MultiUserServerConfig) (*MultiU
 	if err != nil {
 		return nil, newError("parse config").Base(err)
 	}
-	service, err := shadowaead_2022.NewMultiService[string](config.Method, psk, random.Default, 500, inbound)
+	service, err := shadowaead_2022.NewMultiService[int](config.Method, psk, random.Default, 500, inbound)
 	if err != nil {
 		return nil, newError("create service").Base(err)
 	}
 
-	for _, user := range config.Users {
+	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)
+		uPSK, err := base64.StdEncoding.DecodeString(user.Key)
 		if err != nil {
 			return nil, newError("parse user key for ", user.Email).Base(err)
 		}
-		err = service.AddUser(user.Email, uPsk)
+		err = service.AddUser(i, uPSK)
 		if err != nil {
 			return nil, newError("add user").Base(err)
 		}
@@ -80,9 +82,6 @@ func (i *MultiUserInbound) Network() []net.Network {
 
 func (i *MultiUserInbound) Process(ctx context.Context, network net.Network, connection stat.Connection, dispatcher routing.Dispatcher) error {
 	inbound := session.InboundFromContext(ctx)
-	if inbound == nil {
-		panic("no inbound metadata")
-	}
 
 	var metadata M.Metadata
 	if inbound.Source.IsValid() {
@@ -112,12 +111,18 @@ func (i *MultiUserInbound) Process(ctx context.Context, network net.Network, con
 }
 
 func (i *MultiUserInbound) NewConnection(ctx context.Context, conn net.Conn, metadata M.Metadata) error {
-	userCtx := ctx.(*shadowsocks.UserContext[string])
+	userCtx := ctx.(*shadowsocks.UserContext[int])
+	inbound := session.InboundFromContext(ctx)
+	user := i.users[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:  userCtx.User,
+		Email:  user.Email,
 	})
 	newError("tunnelling request to tcp:", metadata.Destination).WriteToLog(session.ExportIDToError(ctx))
 	dispatcher := session.DispatcherFromContext(ctx)
@@ -134,12 +139,18 @@ func (i *MultiUserInbound) NewConnection(ctx context.Context, conn net.Conn, met
 }
 
 func (i *MultiUserInbound) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata M.Metadata) error {
-	userCtx := ctx.(*shadowsocks.UserContext[string])
+	userCtx := ctx.(*shadowsocks.UserContext[int])
+	inbound := session.InboundFromContext(ctx)
+	user := i.users[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:  userCtx.User,
+		Email:  user.Email,
 	})
 	newError("tunnelling request to udp:", metadata.Destination).WriteToLog(session.ExportIDToError(ctx))
 	dispatcher := session.DispatcherFromContext(ctx)