AutoIt

Log In After ConnectOnly on an FTP Server

Demonstrates the Chilkat Ftp2.LoginAfterConnectOnly method, which authenticates a control connection previously established by ConnectOnly. It takes no arguments, sends USER, PASS, and ACCT when required, then performs normal post-login initialization.

Background: This is the second half of the two-step connect. Beyond sending the credentials, it runs the same post-login setup Connect would — for example issuing TYPE I and any auto-negotiated features — so the session ends up in the same ready state either way. The value of the split is entirely in what you can do in the gap between the two calls.

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Local $bSuccess = False

;  Demonstrates the Ftp2.LoginAfterConnectOnly method, which authenticates a control connection
;  previously established by ConnectOnly.  It takes no arguments and sends USER, PASS, and (when
;  required) ACCT, then performs normal post-login initialization.

$oFtp = ObjCreate("Chilkat.Ftp2")

$oFtp.Hostname = "ftp.example.com"
$oFtp.Port = 21

;  First connect without logging in.
$bSuccess = $oFtp.ConnectOnly()
If ($bSuccess = False) Then
    ConsoleWrite($oFtp.LastErrorText & @CRLF)
    Exit
EndIf

;  Set credentials (for example, after inspecting the greeting), then log in.
$oFtp.Username = "myFtpLogin"
$oFtp.Password = "myPassword"

$bSuccess = $oFtp.LoginAfterConnectOnly()
If ($bSuccess = False) Then
    ConsoleWrite($oFtp.LastErrorText & @CRLF)
    Exit
EndIf

ConsoleWrite("Logged in." & @CRLF)

$bSuccess = $oFtp.Disconnect()
If ($bSuccess = False) Then
    ConsoleWrite($oFtp.LastErrorText & @CRLF)
    Exit
EndIf