SSL Server Example

Demonstrates how to create an SSL socket for accepting connections. This example is *very* simple in that it will create an SSL socket for accepting a single connection. It will read a message from the client, send a reply, and exit.

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#include <CkSocket.h>
#include <CkCertStore.h>
#include <CkCert.h>

void ChilkatSample(void)
    {
    CkSocket listenSslSocket;

    //  Any string automatically begins a fully-functional 30-day trial.
    bool success;
    success = listenSslSocket.UnlockComponent("Anything for 30-day trial");
    if (success != true) {
        printf("Failed to unlock component\n");
        return;
    }

    //  An SSL server needs a digital certificate.  This example loads it from a PFX file.

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

    //  Find the certificate to be used for SSL:
    CkCert *cert = 0;
    cert = certStore.FindCertBySubject("Chilkat Software, Inc.");
    if (cert == 0 ) {
        printf("%s\n",certStore.lastErrorText());
        return;
    }

    //  Use the certificate:
    success = listenSslSocket.InitSslServer(*cert);
    if (success != true) {
        printf("%s\n",listenSslSocket.lastErrorText());
        return;
    }

    //  Bind and listen on a port:
    long myPort;
    myPort = 8123;
    //  Allow for a max of 5 queued connect requests.
    long backLog;
    backLog = 5;
    success = listenSslSocket.BindAndListen(myPort,backLog);
    if (success != true) {
        printf("%s\n",listenSslSocket.lastErrorText());
        return;
    }

    //  Accept a single client connection:
    CkSocket *clientSock = 0;
    long maxWaitMillisec;
    maxWaitMillisec = 20000;
    clientSock = listenSslSocket.AcceptNextConnection(maxWaitMillisec);
    if (clientSock == 0 ) {
        printf("%s\n",listenSslSocket.lastErrorText());
        return;
    }

    //  The client (in this example) is going to send a "Hello Server! -EOM-"
    //  message.  Read it:
    const char * receivedMsg;
    receivedMsg = clientSock->receiveUntilMatch("-EOM-");
    if (receivedMsg.getNumChars() == 0 ) {
        printf("%s\n",clientSock->lastErrorText());
        return;
    }

    printf("%s\n",(const char *)receivedMsg);

    //  Send a "Hello Client! -EOM-" message:
    success = clientSock->SendString("Hello Client! -EOM-");
    if (success != true) {
        printf("%s\n",clientSock->lastErrorText());
        return;
    }

    //  Close the connection with the client
    //  Wait a max of 20 seconds (20000 millsec)
    clientSock->Close(20000);
    }