Route Socket Connections through an SSH Object

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Demonstrates Socket.UseSsh, which configures a socket to route subsequent Connect calls through an already connected and authenticated Ssh object using SSH port forwarding.

Dim success As Boolean = False

Dim ssh As New Chilkat.Ssh

'  Connect and authenticate a standalone SSH object.
success = ssh.Connect("ssh.example.com",22)
If (success = False) Then
    Debug.WriteLine(ssh.LastErrorText)
    Exit Sub
End If


'  The SSH password should come from a secure source rather than being hard-coded.
Dim sshPassword As String = "mySshPassword"
success = ssh.AuthenticatePw("sshUser",sshPassword)
If (success = False) Then
    Debug.WriteLine(ssh.LastErrorText)
    Exit Sub
End If


Dim socket As New Chilkat.Socket

'  Route subsequent Connect calls through the already connected and authenticated SSH object.  The
'  destination is reached by SSH port forwarding rather than by a direct TCP connection.
success = socket.UseSsh(ssh)
If (success = False) Then
    Debug.WriteLine(socket.LastErrorText)
    Exit Sub
End If


'  Connect to the destination through the SSH tunnel.
Dim bTls As Boolean = False
Dim maxWaitMs As Integer = 5000
success = socket.Connect("db.internal",5432,bTls,maxWaitMs)
If (success = False) Then
    Debug.WriteLine(socket.LastErrorText)
    Exit Sub
End If

Debug.WriteLine("Connected to the destination through the SSH tunnel.")