AutoIt

Open an SSH Tunnel

Demonstrates Socket.SshOpenTunnel, which connects to an SSH server and initializes an SSH tunneling session, then authenticates it.

Background. An SSH tunnel lets a socket reach a destination host through an SSH server using port forwarding. The sequence is: open the tunnel, authenticate, then open forwarded channels to destinations.

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Local $bSuccess = False

$oSocket = ObjCreate("Chilkat.Socket")

;  Connect to the SSH server and initialize an SSH tunneling session.  Port 22 is conventional but
;  not required.
$bSuccess = $oSocket.SshOpenTunnel("ssh.example.com",22)
If ($bSuccess = False) Then
    ConsoleWrite($oSocket.LastErrorText & @CRLF)
    Exit
EndIf

;  After the tunnel is open, authenticate before opening forwarded channels.
;  The SSH password should come from a secure source rather than being hard-coded.
Local $sshPassword = "mySshPassword"
$bSuccess = $oSocket.SshAuthenticatePw("sshUser",$sshPassword)
If ($bSuccess = False) Then
    ConsoleWrite($oSocket.LastErrorText & @CRLF)
    Exit
EndIf

ConsoleWrite("SSH tunnel established and authenticated." & @CRLF)