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