Pascal (Lazarus/Delphi)

SSH Commands to Sophos Router Device Console

See more SSH Examples

Demonstrates how to establish an SSH session with a Sophos XG router and send commands in a device console session. Pascal (Lazarus/Delphi)

program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.Ssh;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  success: Boolean;
  ssh: TSsh;
  channelNum: Integer;

begin
  success := False;

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

  ssh := TSsh.Create;

  success := ssh.Connect('172.16.16.16',22);
  if (success <> True) then
    begin
      WriteLn(ssh.LastErrorText);
      Exit;
    end;

  //  Authenticate using login/password:
  success := ssh.AuthenticatePw('myLogin','myPassword');
  if (success <> True) then
    begin
      WriteLn(ssh.LastErrorText);
      Exit;
    end;

  //  Start a shell session.
  //  (The QuickShell method was added in Chilkat v9.5.0.65)
  channelNum := ssh.QuickShell();
  if (channelNum < 0) then
    begin
      WriteLn(ssh.LastErrorText);
      Exit;
    end;

  //  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) then
    begin
      WriteLn(ssh.LastErrorText);
      Exit;
    end;

  //  Show what we received so far:
  WriteLn(ssh.GetReceivedText(channelNum,'utf-8'));

  //  Send "4" <RETURN> to mimic typing in a shell session.
  success := ssh.ChannelSendString(channelNum,'4' + #10,'utf-8');
  if (success <> True) then
    begin
      WriteLn(ssh.LastErrorText);
      Exit;
    end;

  //  We should get a "console>" prompt.
  success := ssh.ChannelReceiveUntilMatch(channelNum,'console>','utf-8',True);
  if (success <> True) then
    begin
      WriteLn(ssh.LastErrorText);
      Exit;
    end;
  WriteLn(ssh.GetReceivedText(channelNum,'utf-8'));

  //  Send a command and get the output..
  success := ssh.ChannelSendString(channelNum,'dnslookup host google.com' + #10,'utf-8');
  success := ssh.ChannelReceiveUntilMatch(channelNum,'console>','utf-8',True);
  if (success <> True) then
    begin
      WriteLn(ssh.LastErrorText);
      Exit;
    end;
  WriteLn(ssh.GetReceivedText(channelNum,'utf-8'));

  //  Send another command and get the output, and so on...
  success := ssh.ChannelSendString(channelNum,'dnslookup host microsoft.com' + #10,'utf-8');
  success := ssh.ChannelReceiveUntilMatch(channelNum,'console>','utf-8',True);
  if (success <> True) then
    begin
      WriteLn(ssh.LastErrorText);
      Exit;
    end;
  WriteLn(ssh.GetReceivedText(channelNum,'utf-8'));

  ssh.Disconnect();


  ssh.Free;

end;

// ---------------------------------------------------------------------------

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.