(Go) SSH Commands to Cisco Switch

Demonstrates how to establish an SSH session with a Cisco switch (or something similar) and send commands in a device console session.

Chilkat Go Downloads Go Package for Windows, MacOS, Linux, Alpine Linux, Solaris

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    ssh := chilkat.NewSsh()

    success := ssh.Connect("172.16.16.100",22)
    if success != true {
        fmt.Println(ssh.LastErrorText())
        ssh.DisposeSsh()
        return
    }

    // Authenticate using login/password:
    success = ssh.AuthenticatePw("myLogin","myPassword")
    if success != true {
        fmt.Println(ssh.LastErrorText())
        ssh.DisposeSsh()
        return
    }

    // Start a shell session.
    channelNum := ssh.QuickShell()
    if channelNum < 0 {
        fmt.Println(ssh.LastErrorText())
        ssh.DisposeSsh()
        return
    }

    // If the CISCO switch returns a prompt with "#", then read until we get the prompt.
    // (It's not actually required that we do this, but it helps to know that all is OK at this point..)
    success = ssh.ChannelReceiveUntilMatch(channelNum,"#","utf-8",true)
    if success != true {
        fmt.Println(ssh.LastErrorText())
        ssh.DisposeSsh()
        return
    }

    // Show what we received so far:
    fmt.Println(*ssh.GetReceivedText(channelNum,"utf-8"))

    // Send a "show clock" command.
    success = ssh.ChannelSendString(channelNum,"show clock\n","utf-8")

    // Read the output to the next interactive prompt.
    success = ssh.ChannelReceiveUntilMatch(channelNum,"#","utf-8",true)
    if success != true {
        fmt.Println(ssh.LastErrorText())
        ssh.DisposeSsh()
        return
    }

    fmt.Println(*ssh.GetReceivedText(channelNum,"utf-8"))

    // Send another command and get the output, and so on...
    success = ssh.ChannelSendString(channelNum,"some other command\n","utf-8")
    success = ssh.ChannelReceiveUntilMatch(channelNum,"#","utf-8",true)
    if success != true {
        fmt.Println(ssh.LastErrorText())
        ssh.DisposeSsh()
        return
    }

    fmt.Println(*ssh.GetReceivedText(channelNum,"utf-8"))

    ssh.Disconnect()

    ssh.DisposeSsh()