(.NET Core C#) SSH Commands to Sophos Router Device Console

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

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

Chilkat.Ssh ssh = new Chilkat.Ssh();

bool success = ssh.Connect("172.16.16.16",22);
if (success != true) {
    Debug.WriteLine(ssh.LastErrorText);
    return;
}

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

// Start a shell session.
// (The QuickShell method was added in Chilkat v9.5.0.65)
int channelNum = ssh.QuickShell();
if (channelNum < 0) {
    Debug.WriteLine(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.ChannelReceiveUntilMatch(channelNum,"Select Menu Number","utf-8",true);
if (success != true) {
    Debug.WriteLine(ssh.LastErrorText);
    return;
}

// Show what we received so far:
Debug.WriteLine(ssh.GetReceivedText(channelNum,"utf-8"));

// Send "4" <RETURN> to mimic typing in a shell session.
success = ssh.ChannelSendString(channelNum,"4\n","utf-8");
if (success != true) {
    Debug.WriteLine(ssh.LastErrorText);
    return;
}

// We should get a "console>" prompt.
success = ssh.ChannelReceiveUntilMatch(channelNum,"console>","utf-8",true);
if (success != true) {
    Debug.WriteLine(ssh.LastErrorText);
    return;
}

Debug.WriteLine(ssh.GetReceivedText(channelNum,"utf-8"));

// Send a command and get the output..
success = ssh.ChannelSendString(channelNum,"dnslookup host google.com\n","utf-8");
success = ssh.ChannelReceiveUntilMatch(channelNum,"console>","utf-8",true);
if (success != true) {
    Debug.WriteLine(ssh.LastErrorText);
    return;
}

Debug.WriteLine(ssh.GetReceivedText(channelNum,"utf-8"));

// Send another command and get the output, and so on...
success = ssh.ChannelSendString(channelNum,"dnslookup host microsoft.com\n","utf-8");
success = ssh.ChannelReceiveUntilMatch(channelNum,"console>","utf-8",true);
if (success != true) {
    Debug.WriteLine(ssh.LastErrorText);
    return;
}

Debug.WriteLine(ssh.GetReceivedText(channelNum,"utf-8"));

ssh.Disconnect();