SOCKS4 and SOCKS5 Proxy for FTP

Demonstrates how to connect to an FTP server through a SOCKS4 or SOCKS5 proxy. Both SSL/TLS and non-secure FTP communications may use SOCKS4 and SOCKS5 proxies.

Downloads:

MS Windows Visual C/C++ Libraries

Linux/CentOS C/C++ Libraries

MAC OS X C/C++ Libraries

Solaris C/C++ Libraries

C++ Builder Libraries

FreeBSD C++ Libraries

HP-UX C++ Libraries

BlackBerry QNX C++ Libraries

#include <C_CkFtp2.h>

void ChilkatSample(void)
    {
    HCkFtp2 ftp;
    BOOL success;
    const char * localFilename;
    const char * remoteFilename;

    ftp = CkFtp2_Create();

    //  Any string unlocks the component for the 1st 30-days.
    success = CkFtp2_UnlockComponent(ftp,"Anything for 30-day trial");
    if (success != TRUE) {
        printf("%s\n",CkFtp2_lastErrorText(ftp));
        return;
    }

    CkFtp2_putHostname(ftp,"ftp.example-code.com");
    CkFtp2_putUsername(ftp,"myLogin");
    CkFtp2_putPassword(ftp,"myPassword");

    //  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:
    CkFtp2_putSocksHostname(ftp,"www.mysocksproxyserver.com");
    CkFtp2_putSocksPort(ftp,1080);
    CkFtp2_putSocksUsername(ftp,"myProxyLogin");
    CkFtp2_putSocksPassword(ftp,"myProxyPassword");
    //  Set the SOCKS version to 4 or 5 based on the version
    //  of the SOCKS proxy server:
    CkFtp2_putSocksVersion(ftp,5);
    //  Note: SOCKS4 servers only support usernames without passwords.
    //  SOCKS5 servers support full login/password authentication.

    //  Connect and login to the FTP server.
    success = CkFtp2_Connect(ftp);
    if (success != TRUE) {
        printf("%s\n",CkFtp2_lastErrorText(ftp));
        return;
    }

    //  Change to the remote directory where the file is located.
    //  This step is only necessary if the file is not in the root directory
    //  for the FTP account.
    success = CkFtp2_ChangeRemoteDir(ftp,"junk");
    if (success != TRUE) {
        printf("%s\n",CkFtp2_lastErrorText(ftp));
        return;
    }

    //  Download a file.

    localFilename = "c:/temp/hamlet.xml";

    remoteFilename = "hamlet.xml";

    success = CkFtp2_GetFile(ftp,remoteFilename,localFilename);
    if (success != TRUE) {
        printf("%s\n",CkFtp2_lastErrorText(ftp));
        return;
    }

    CkFtp2_Disconnect(ftp);

    printf("File Downloaded!\n");

    CkFtp2_Dispose(ftp);

    }