Golang ServerConn.User方法代码示例

func NewSession(gateway *Gateway, connection *ssh.ServerConn) (*Session, error) {
	glog.V(1).Infof("new session: user = %s, remote = %v", connection.User(), connection.RemoteAddr())

	return &Session{
		gateway:        gateway,
		connection:     connection,
		user:           connection.User(),
		remoteAddr:     connection.RemoteAddr(),
		localAddr:      connection.LocalAddr(),
		services:       make(map[string]map[uint16]bool),
		lock:           &sync.Mutex{},
		active:         true,
		created:        time.Now(),
		used:           time.Now(),
		channelsClosed: 0,
		bytesRead:      0,
		bytesWritten:   0,
	}, nil
}

// NewClient initializes a new client
func NewClient(conn *ssh.ServerConn, chans <-chan ssh.NewChannel, reqs <-chan *ssh.Request, server *Server) *Client {
	client := Client{
		Idx:        clientCounter,
		ClientID:   conn.RemoteAddr().String(),
		ChannelIdx: 0,
		Conn:       conn,
		Chans:      chans,
		Reqs:       reqs,
		Server:     server,

		// Default ClientConfig, will be overwritten if a hook is used
		Config: &ClientConfig{
			ImageName:              strings.Replace(conn.User(), "_", "/", -1),
			RemoteUser:             "anonymous",
			AuthenticationMethod:   "noauth",
			AuthenticationComment:  "",
			AuthenticationAttempts: 0,
			Env:     envhelper.Environment{},
			Command: make([]string, 0),
		},
	}

	if server.LocalUser != "" {
		client.Config.IsLocal = client.Config.ImageName == server.LocalUser
	}

	if _, found := server.ClientConfigs[client.ClientID]; !found {
		server.ClientConfigs[client.ClientID] = client.Config
	}

	client.Config = server.ClientConfigs[conn.RemoteAddr().String()]
	client.Config.Env.ApplyDefaults()

	clientCounter++

	remoteAddr := strings.Split(client.ClientID, ":")
	log.Infof("Accepted %s for %s from %s port %s ssh2: %s", client.Config.AuthenticationMethod, conn.User(), remoteAddr[0], remoteAddr[1], client.Config.AuthenticationComment)
	return &client
}

func (s *Server) handleChannel(conn *ssh.ServerConn, newChan ssh.NewChannel) {
	ch, reqs, err := newChan.Accept()
	if err != nil {
		log.Println("newChan.Accept failed:", err)
		return
	}
	defer ch.Close()
	for req := range reqs {
		switch req.Type {
		case "exec":
			fail := func(at string, err error) {
				log.Printf("%s failed: %s", at, err)
				ch.Stderr().Write([]byte("Internal error.\n"))
			}
			if req.WantReply {
				req.Reply(true, nil)
			}
			cmdline := string(req.Payload[4:])
			cmdargs, err := shlex.Split(cmdline)
			if err != nil || len(cmdargs) != 2 {
				ch.Stderr().Write([]byte("Invalid arguments.\n"))
				return
			}
			if cmdargs[0] != "git-upload-pack" {
				ch.Stderr().Write([]byte("Only `git fetch` is supported.\n"))
				return
			}
			cmdargs[1] = strings.TrimSuffix(strings.TrimPrefix(cmdargs[1], "/"), ".git")
			if strings.Contains(cmdargs[1], "..") {
				ch.Stderr().Write([]byte("Invalid repo.\n"))
				return
			}

			cmd := exec.Command(s.Shell, "-c", cmdargs[0]+" '"+cmdargs[1]+"'")
			cmd.Dir = s.Dir
			cmd.Env = append(os.Environ(),
				"RECEIVE_USER="+conn.User(),
				"RECEIVE_REPO="+cmdargs[1],
			)
			done, err := attachCmd(cmd, ch, ch.Stderr(), ch)
			if err != nil {
				fail("attachCmd", err)
				return
			}
			if err := cmd.Start(); err != nil {
				fail("cmd.Start", err)
				return
			}
			done.Wait()
			status, err := exitStatus(cmd.Wait())
			if err != nil {
				fail("exitStatus", err)
				return
			}
			if _, err := ch.SendRequest("exit-status", false, ssh.Marshal(&status)); err != nil {
				fail("sendExit", err)
			}
			return
		case "env":
			if req.WantReply {
				req.Reply(true, nil)
			}
		}
	}
}