Socket/SSL/TLS through SOCKS5 / SOCKS4 Proxy

Demonstrates how to use the Chilkat Socket/SSL/TLS component/library with a SOCKS5 or SOCKS4 proxy server.

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

#include <C_CkSocket.h>

void ChilkatSample(void)
    {
    HCkSocket socket;
    BOOL success;
    const char * hostname;
    BOOL ssl;
    long maxWaitMillisec;
    const char * receivedMsg;

    socket = CkSocket_Create();

    success = CkSocket_UnlockComponent(socket,"Anything for 30-day trial");
    if (success != TRUE) {
        printf("Failed to unlock component\n");
        return;
    }

    //  To use a SOCKS4 or SOCKS5 proxy, simply set the following
    //  properties prior to calling Connect.  The connection may be SSL/TLS or
    //  non-secure - both will work with a SOCKS proxy.
    //  The SOCKS hostname may be a domain name or
    //  IP address:
    CkSocket_putSocksHostname(socket,"www.mysocksproxyserver.com");
    CkSocket_putSocksPort(socket,1080);
    CkSocket_putSocksUsername(socket,"myProxyLogin");
    CkSocket_putSocksPassword(socket,"myProxyPassword");
    //  Set the SOCKS version to 4 or 5 based on the version
    //  of the SOCKS proxy server:
    CkSocket_putSocksVersion(socket,5);
    //  Note: SOCKS4 servers only support usernames without passwords.
    //  SOCKS5 servers support full login/password authentication.

    //  Connect to port 5555 of 192.168.1.108.
    //  hostname may be a domain name or IP address.

    hostname = "192.168.1.108";

    ssl = FALSE;

    maxWaitMillisec = 20000;
    success = CkSocket_Connect(socket,hostname,5555,ssl,maxWaitMillisec);
    if (success != TRUE) {
        printf("%s\n",CkSocket_lastErrorText(socket));
        return;
    }

    //  Set maximum timeouts for reading an writing (in millisec)
    CkSocket_putMaxReadIdleMs(socket,10000);
    CkSocket_putMaxSendIdleMs(socket,10000);

    //  The server (in this example) is going to send a "Hello World!"
    //  message.  Read it:

    receivedMsg = CkSocket_receiveString(socket);
    if (receivedMsg == 0 ) {
        printf("%s\n",CkSocket_lastErrorText(socket));
        return;
    }

    //  Close the connection with the server
    //  Wait a max of 20 seconds (20000 millsec)
    CkSocket_Close(socket,20000);

    printf("%s\n",receivedMsg);

    CkSocket_Dispose(socket);

    }