SSL Client Certificate

Demonstrates how to connect to an SSL server using a client-side certificate, send a simple message, receive a simple response, and disconnect.

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#include <C_CkSocket.h>
#include <C_CkCertStore.h>
#include <C_CkCert.h>

void ChilkatSample(void)
    {
    HCkSocket socket;
    BOOL success;
    HCkCertStore certStore;
    HCkCert cert;
    BOOL ssl;
    long maxWaitMillisec;
    const char * sslServerHost;
    long sslServerPort;
    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;
    }

    //  Create an instance of a certificate store object, load a PFX file,
    //  locate the certificate we need, and use it for signing.
    //  (a PFX file may contain more than one certificate.)
    certStore = CkCertStore_Create();
    //  The 1st argument is the filename, the 2nd arg is the
    //  PFX file's password:
    success = CkCertStore_LoadPfxFile(certStore,"chilkat_secret.pfx","secret");
    if (success != TRUE) {
        printf("%s\n",CkCertStore_lastErrorText(certStore));
        return;
    }

    cert = CkCertStore_FindCertBySubjectCN(certStore,"Chilkat Software, Inc.");
    if (cert == 0 ) {
        printf("%s\n",CkCertStore_lastErrorText(certStore));
        return;
    }

    CkSocket_SetSslClientCert(socket,cert);

    ssl = TRUE;

    maxWaitMillisec = 20000;

    //  The SSL server hostname may be an IP address, a domain name,
    //  or "localhost".  You'll need to change this:

    sslServerHost = "123.123.88.88";

    sslServerPort = 8123;

    //  Connect to the SSL server:
    success = CkSocket_Connect(socket,sslServerHost,sslServerPort,ssl,maxWaitMillisec);
    if (success != TRUE) {
        printf("%s\n",CkSocket_lastErrorText(socket));
        return;
    }

    //  Set maximum timeouts for reading an writing (in millisec)
    CkSocket_putMaxReadIdleMs(socket,20000);
    CkSocket_putMaxSendIdleMs(socket,20000);

    //  Send a "Hello Server! -EOM-" message:
    success = CkSocket_SendString(socket,"Hello Server! -EOM-");
    if (success != TRUE) {
        printf("%s\n",CkSocket_lastErrorText(socket));
        return;
    }

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

    receivedMsg = CkSocket_receiveUntilMatch(socket,"-EOM-");
    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);
    CkCertStore_Dispose(certStore);

    }