client plugin: added plugin tls2raw (#4341)

pkg/config/v1/plugin.go

@@ -83,6 +83,7 @@ const (
 	PluginSocks5           = "socks5"
 	PluginStaticFile       = "static_file"
 	PluginUnixDomainSocket = "unix_domain_socket"
+	PluginTLS2Raw          = "tls2raw"
 )
 
 var clientPluginOptionsTypeMap = map[string]reflect.Type{
@@ -94,6 +95,7 @@ var clientPluginOptionsTypeMap = map[string]reflect.Type{
 	PluginSocks5:           reflect.TypeOf(Socks5PluginOptions{}),
 	PluginStaticFile:       reflect.TypeOf(StaticFilePluginOptions{}),
 	PluginUnixDomainSocket: reflect.TypeOf(UnixDomainSocketPluginOptions{}),
+	PluginTLS2Raw:          reflect.TypeOf(TLS2RawPluginOptions{}),
 }
 
 type HTTP2HTTPSPluginOptions struct {
@@ -174,3 +176,12 @@ type UnixDomainSocketPluginOptions struct {
 }
 
 func (o *UnixDomainSocketPluginOptions) Complete() {}
+
+type TLS2RawPluginOptions struct {
+	Type      string `json:"type,omitempty"`
+	LocalAddr string `json:"localAddr,omitempty"`
+	CrtPath   string `json:"crtPath,omitempty"`
+	KeyPath   string `json:"keyPath,omitempty"`
+}
+
+func (o *TLS2RawPluginOptions) Complete() {}

pkg/config/v1/validation/plugin.go

@@ -32,6 +32,8 @@ func ValidateClientPluginOptions(c v1.ClientPluginOptions) error {
 		return validateStaticFilePluginOptions(v)
 	case *v1.UnixDomainSocketPluginOptions:
 		return validateUnixDomainSocketPluginOptions(v)
+	case *v1.TLS2RawPluginOptions:
+		return validateTLS2RawPluginOptions(v)
 	}
 	return nil
 }
@@ -70,3 +72,10 @@ func validateUnixDomainSocketPluginOptions(c *v1.UnixDomainSocketPluginOptions)
 	}
 	return nil
 }
+
+func validateTLS2RawPluginOptions(c *v1.TLS2RawPluginOptions) error {
+	if c.LocalAddr == "" {
+		return errors.New("localAddr is required")
+	}
+	return nil
+}