Visual FoxPro

Set an FTPS Client Certificate from a PFX File

Demonstrates the Chilkat Ftp2.SetSslClientCertPfx method, which loads a client certificate and private key from a PFX/P12 file. The first argument is the file path and the second is its password.

Note: The local paths are relative to the application's current working directory. Absolute paths may also be used. Supply the paths appropriate to your own environment.

Background: A PFX (PKCS #12) file bundles a certificate with its private key in one password-protected file — the format Windows and many corporate PKI tools export. This is the counterpart to SetSslClientCertPem for mutual-TLS authentication when your credentials are packaged as a single .pfx. Set it before connecting.

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LOCAL lnSuccess
LOCAL loFtp
LOCAL lcPfxPassword

lnSuccess = 0

*  Demonstrates the Ftp2.SetSslClientCertPfx method, which loads a client certificate and private
*  key from a PFX/P12 file.  The 1st argument is the PFX file path and the 2nd is its password.

loFtp = CreateObject('Chilkat.Ftp2')

loFtp.Hostname = "ftp.example.com"
loFtp.Username = "myFtpLogin"

*  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.
loFtp.Password = "myPassword"

*  Use explicit FTPS (AUTH TLS) on the standard FTP port.
loFtp.AuthTls = 1

*  Provide the PFX client certificate before connecting.  The password should come from a secure
*  source rather than being hard-coded.
lcPfxPassword = "myPfxPassword"
lnSuccess = loFtp.SetSslClientCertPfx("qa_data/client.pfx",lcPfxPassword)
IF (lnSuccess = 0) THEN
    ? loFtp.LastErrorText
    RELEASE loFtp
    CANCEL
ENDIF

lnSuccess = loFtp.Connect()
IF (lnSuccess = 0) THEN
    ? loFtp.LastErrorText
    RELEASE loFtp
    CANCEL
ENDIF

? "Connected with a PFX client certificate."

lnSuccess = loFtp.Disconnect()
IF (lnSuccess = 0) THEN
    ? loFtp.LastErrorText
    RELEASE loFtp
    CANCEL
ENDIF

RELEASE loFtp