SSH Client

cf-ssh

package main

import (
	"fmt"
	"log"

	// "github.com/cloudfoundry/cli/plugin"
	"golang.org/x/crypto/ssh"
	"golang.org/x/net/websocket"
)

func main() {
	appUrl := "ssh-server.cfapps.io"

	origin := fmt.Sprintf("http://%s", appUrl)
	addr := fmt.Sprintf("%s:4443", appUrl)
	url := fmt.Sprintf("wss://%s/ssh", addr)

	log.Println("Connecting...")
	conn, err := websocket.Dial(url, "", origin)
	if err != nil {
		log.Fatal(err)
	}
	log.Println("OK")

	log.Println("SSH...")
	sshConn, chans, reqs, err := ssh.NewClientConn(conn, addr, &ssh.ClientConfig{
		User: "foo",
		Auth: []ssh.AuthMethod{ssh.Password("bar")},
	})
	if err != nil {
		log.Fatal(err)
	}
	log.Println("OK")

	client := ssh.NewClient(sshConn, chans, reqs)
	defer client.Close()

	log.Println("SSH Session...")
	session, err := client.NewSession()
	if err != nil {
		log.Fatal(err)
	}
	defer session.Close()
	log.Println("OK")

	modes := ssh.TerminalModes{
		ssh.ECHO:          0,     // disable echoing
		ssh.TTY_OP_ISPEED: 14400, // input speed = 14.4kbaud
		ssh.TTY_OP_OSPEED: 14400, // output speed = 14.4kbaud
	}

	if err := session.RequestPty("xterm", 80, 40, modes); err != nil {
		log.Fatal(err)
	}

	if err := session.Shell(); err != nil {
		log.Fatal(err)
	}
}