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- // Copyright 2017 fatedier, fatedier@gmail.com
- //
- // Licensed under the Apache License, Version 2.0 (the "License");
- // you may not use this file except in compliance with the License.
- // You may obtain a copy of the License at
- //
- // http://www.apache.org/licenses/LICENSE-2.0
- //
- // Unless required by applicable law or agreed to in writing, software
- // distributed under the License is distributed on an "AS IS" BASIS,
- // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- // See the License for the specific language governing permissions and
- // limitations under the License.
- package plugin
- import (
- "fmt"
- "io"
- "net"
- frpIo "github.com/fatedier/golib/io"
- )
- const PluginUnixDomainSocket = "unix_domain_socket"
- func init() {
- Register(PluginUnixDomainSocket, NewUnixDomainSocketPlugin)
- }
- type UnixDomainSocketPlugin struct {
- UnixAddr *net.UnixAddr
- }
- func NewUnixDomainSocketPlugin(params map[string]string) (p Plugin, err error) {
- unixPath, ok := params["plugin_unix_path"]
- if !ok {
- err = fmt.Errorf("plugin_unix_path not found")
- return
- }
- unixAddr, errRet := net.ResolveUnixAddr("unix", unixPath)
- if errRet != nil {
- err = errRet
- return
- }
- p = &UnixDomainSocketPlugin{
- UnixAddr: unixAddr,
- }
- return
- }
- func (uds *UnixDomainSocketPlugin) Handle(conn io.ReadWriteCloser, realConn net.Conn, extraBufToLocal []byte) {
- localConn, err := net.DialUnix("unix", nil, uds.UnixAddr)
- if err != nil {
- return
- }
- if len(extraBufToLocal) > 0 {
- localConn.Write(extraBufToLocal)
- }
- frpIo.Join(localConn, conn)
- }
- func (uds *UnixDomainSocketPlugin) Name() string {
- return PluginUnixDomainSocket
- }
- func (uds *UnixDomainSocketPlugin) Close() error {
- return nil
- }
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