(Delphi DLL) SFTP using SOCKS Proxy

Demonstrates how to connect to an SFTP/SSH server through a SOCKS4 or SOCKS5 proxy.

Chilkat for Delphi Downloads Chilkat non-ActiveX DLL for Delphi Chilkat ActiveX DLL for Delphi * The examples here use the non-ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, SFtp;

...

procedure TForm1.Button1Click(Sender: TObject);
var
sftp: HCkSFtp;
hostname: PWideChar;
port: Integer;
success: Boolean;

begin
// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

sftp := CkSFtp_Create();

// To use a SOCKS4 or SOCKS5 proxy, simply set the following
// properties prior to connecting:
// The SOCKS hostname may be a domain name or 
// IP address:
CkSFtp_putSocksHostname(sftp,'www.mysocksproxyserver.com');
CkSFtp_putSocksPort(sftp,1080);
CkSFtp_putSocksUsername(sftp,'myProxyLogin');
CkSFtp_putSocksPassword(sftp,'myProxyPassword');

// Set the SOCKS version to 4 or 5 based on the version
// of the SOCKS proxy server:
CkSFtp_putSocksVersion(sftp,5);

// Note: SOCKS4 servers only support usernames without passwords.
// SOCKS5 servers support full login/password authentication.

// Connect to the SSH server.  
// The standard SSH port = 22
// The hostname may be a hostname or IP address.
hostname := 'sftp.example.com';
port := 22;
success := CkSFtp_Connect(sftp,hostname,port);
if (success <> True) then
  begin
    Memo1.Lines.Add(CkSFtp__lastErrorText(sftp));
    Exit;
  end;

// Your application is now connected to an SFTP/SSH server 
// through a SOCKS4 or SOCKS5 proxy. 
// ..

CkSFtp_Dispose(sftp);

end;