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SSH Tunnel Authenticate with a Password
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Demonstrates the Chilkat SshTunnel.AuthenticatePw method, which authenticates the SSH connection with a login name and password. The first argument is the login and the second is the password. Connect first, and call BeginAccepting afterward.
Background: Password authentication is the simplest option, but the password is a secret and should never be a hard-coded literal — obtain it from an interactive prompt, an environment variable, or a secrets vault. Public-key authentication is generally preferred for the unattended, long-running services that tunnels often are.
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Local $bSuccess = False
; Demonstrates the SshTunnel.AuthenticatePw method, which authenticates the SSH connection with
; a login name and password. The 1st argument is the login and the 2nd is the password.
$oTunnel = ObjCreate("Chilkat.SshTunnel")
; The tunnel forwards accepted local connections to this destination through the SSH server.
$oTunnel.DestHostname = "db.internal.example.com"
$oTunnel.DestPort = 5432
; Connect to the SSH server. This performs the TCP/proxy connection and SSH handshake, but
; does not authenticate yet.
Local $iSshPort = 22
$bSuccess = $oTunnel.Connect("ssh.example.com",$iSshPort)
If ($bSuccess = False) Then
ConsoleWrite($oTunnel.LastErrorText & @CRLF)
Exit
EndIf
; Normally you would not hard-code the password in source. You should instead obtain it
; from an interactive prompt, environment variable, or a secrets vault.
Local $sPassword = "mySshPassword"
$bSuccess = $oTunnel.AuthenticatePw("mySshLogin",$sPassword)
If ($bSuccess = False) Then
ConsoleWrite($oTunnel.LastErrorText & @CRLF)
Exit
EndIf
ConsoleWrite("Authenticated." & @CRLF)
; After authenticating, call BeginAccepting to start listening for local connections to forward.
Local $bWaitForThreadExit = True
$bSuccess = $oTunnel.CloseTunnel($bWaitForThreadExit)
If ($bSuccess = False) Then
ConsoleWrite($oTunnel.LastErrorText & @CRLF)
Exit
EndIf