package main

import (
    "fmt"
    "log"
    "os"
    "time"

    "golang.org/x/crypto/ssh"
)

const (
    user = "root"
    pass = "somepass"
    ip   = "192.168.1.1:22"
)

func main() {
    config := &ssh.ClientConfig{
        User: user,
        Auth: []ssh.AuthMethod{
            ssh.Password(pass),
        },
        Config: ssh.Config{
            Ciphers: []string{"aes128-cbc"}, // insecure!!
        },
    }

    client, err := ssh.Dial("tcp", ip, config)
    checkError(err, "ssh.Dial()")

    session, err := client.NewSession()
    defer session.Close()
    checkError(err, "client.NewSession()")

    modes := ssh.TerminalModes{
        ssh.ECHO:          1,     // disable echoing
        ssh.TTY_OP_ISPEED: 14400, // input speed = 14.4kbaud
        ssh.TTY_OP_OSPEED: 14400, // output speed = 14.4kbaud
    }

    if err = session.RequestPty("vt100", 80, 40, modes); err != nil {
        log.Fatal(err)
    }

    //session.Stdin = os.Stdin
    in, _ := session.StdinPipe()
    //session.Stdout = os.Stdout.
    session.Stderr = os.Stderr

    if err = session.Shell(); err != nil {
        log.Fatal(err)
    }
    fmt.Println("Backing up Faura1...")

    //fmt.Println(buff.String())
    time.Sleep(time.Second * 2)

    in.Write([]byte("enable\n"))
    time.Sleep(time.Second * 1)
    //fmt.Println(buff.String()) // print the output

    in.Write([]byte("config\n"))
    time.Sleep(time.Second * 1)


    in.Write([]byte("backup data ftp 192.168.1.2 f1-olt.dat\n"))
    time.Sleep(time.Second * 1)

    in.Write([]byte("y\n"))
    time.Sleep(time.Second * 5)

    in.Write([]byte("backup configuration ftp 192.168.1.2 f1-olt.cfg\n"))

    time.Sleep(time.Second * 1)

    in.Write([]byte("y\n"))
    time.Sleep(time.Second * 5)
    os.Exit(1)

    err = session.Wait()
    if err != nil {
        panic(err)
    }

}

func checkError(err error, info string) {
    if err != nil {
        fmt.Printf("%s. error: %s\n", info, err)
        os.Exit(1)
    }
}