C

SOCKS4 and SOCKS5 Proxy for FTP

See more FTP Examples

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. C

#include <C_CkFtp2.h>

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

    success = FALSE;

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

    ftp = CkFtp2_Create();

    CkFtp2_putHostname(ftp,"ftp.example.com");
    CkFtp2_putUsername(ftp,"login");
    CkFtp2_putPassword(ftp,"password");

    // 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));
        CkFtp2_Dispose(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));
        CkFtp2_Dispose(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));
        CkFtp2_Dispose(ftp);
        return;
    }

    success = CkFtp2_Disconnect(ftp);

    printf("File Downloaded!\n");


    CkFtp2_Dispose(ftp);

    }