(C) 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.

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#include <C_CkSocket.h>

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

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

    socket = CkSocket_Create();

    // 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));
        CkSocket_Dispose(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 (CkSocket_getLastMethodSuccess(socket) != TRUE) {
        printf("%s\n",CkSocket_lastErrorText(socket));
        CkSocket_Dispose(socket);
        return;
    }

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

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


    CkSocket_Dispose(socket);

    }