Swift

SSH Commands to Sophos Router Device Console

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Demonstrates how to establish an SSH session with a Sophos XG router and send commands in a device console session. Swift

func chilkatTest() {
    var success: Bool = false

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

    let ssh = CkoSsh()!

    success = ssh.connect(hostname: "172.16.16.16", port: 22)
    if success != true {
        print("\(ssh.lastErrorText!)")
        return
    }

    // Authenticate using login/password:
    success = ssh.authenticatePw(login: "myLogin", password: "myPassword")
    if success != true {
        print("\(ssh.lastErrorText!)")
        return
    }

    // Start a shell session.
    // (The QuickShell method was added in Chilkat v9.5.0.65)
    var channelNum: Int = ssh.quickShell().intValue
    if channelNum < 0 {
        print("\(ssh.lastErrorText!)")
        return
    }

    // The Sophos router will send this initial prompt:

    // 	Main Menu
    // 
    // 	    1.  Network  Configuration
    // 	    2.  System   Configuration
    // 	    3.  Route    Configuration
    // 	    4.  Device Console
    // 	    5.  Device Management
    // 	    6.  VPN Management
    // 	    7.  Shutdown/Reboot Device
    // 	    0.  Exit
    // 
    // 	    Select Menu Number [0-7]: 

    success = ssh.channelReceive(untilMatch: channelNum, matchPattern: "Select Menu Number", charset: "utf-8", caseSensitive: true)
    if success != true {
        print("\(ssh.lastErrorText!)")
        return
    }

    // Show what we received so far:
    print("\(ssh.getReceivedText(channelNum: channelNum, charset: "utf-8")!)")

    // Send "4" <RETURN> to mimic typing in a shell session.
    success = ssh.channelSendString(channelNum: channelNum, strData: "4\n", charset: "utf-8")
    if success != true {
        print("\(ssh.lastErrorText!)")
        return
    }

    // We should get a "console>" prompt.
    success = ssh.channelReceive(untilMatch: channelNum, matchPattern: "console>", charset: "utf-8", caseSensitive: true)
    if success != true {
        print("\(ssh.lastErrorText!)")
        return
    }

    print("\(ssh.getReceivedText(channelNum: channelNum, charset: "utf-8")!)")

    // Send a command and get the output..
    success = ssh.channelSendString(channelNum: channelNum, strData: "dnslookup host google.com\n", charset: "utf-8")
    success = ssh.channelReceive(untilMatch: channelNum, matchPattern: "console>", charset: "utf-8", caseSensitive: true)
    if success != true {
        print("\(ssh.lastErrorText!)")
        return
    }

    print("\(ssh.getReceivedText(channelNum: channelNum, charset: "utf-8")!)")

    // Send another command and get the output, and so on...
    success = ssh.channelSendString(channelNum: channelNum, strData: "dnslookup host microsoft.com\n", charset: "utf-8")
    success = ssh.channelReceive(untilMatch: channelNum, matchPattern: "console>", charset: "utf-8", caseSensitive: true)
    if success != true {
        print("\(ssh.lastErrorText!)")
        return
    }

    print("\(ssh.getReceivedText(channelNum: channelNum, charset: "utf-8")!)")

    ssh.disconnect()

}