Unicode C

SSL Client Certificate

See more Socket/SSL/TLS Examples

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

#include <C_CkSocketW.h>
#include <C_CkCertStoreW.h>
#include <C_CkJsonObjectW.h>
#include <C_CkCertW.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkSocketW socket;
    HCkCertStoreW certStore;
    HCkJsonObjectW jsonCN;
    HCkCertW cert;
    BOOL ssl;
    int maxWaitMillisec;
    const wchar_t *sslServerHost;
    int sslServerPort;
    const wchar_t *receivedMsg;

    success = FALSE;

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

    socket = CkSocketW_Create();

    // 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 = CkCertStoreW_Create();
    // The 1st argument is the filename, the 2nd arg is the 
    // PFX file's password:
    success = CkCertStoreW_LoadPfxFile(certStore,L"chilkat_secret.pfx",L"secret");
    if (success != TRUE) {
        wprintf(L"%s\n",CkCertStoreW_lastErrorText(certStore));
        CkSocketW_Dispose(socket);
        CkCertStoreW_Dispose(certStore);
        return;
    }

    // Find the certificate by the subject common name:
    jsonCN = CkJsonObjectW_Create();
    CkJsonObjectW_UpdateString(jsonCN,L"CN",L"cert common name");

    cert = CkCertW_Create();
    success = CkCertStoreW_FindCert(certStore,jsonCN,cert);
    if (success == FALSE) {
        wprintf(L"%s\n",CkCertStoreW_lastErrorText(certStore));
        CkSocketW_Dispose(socket);
        CkCertStoreW_Dispose(certStore);
        CkJsonObjectW_Dispose(jsonCN);
        CkCertW_Dispose(cert);
        return;
    }

    success = CkSocketW_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 = L"123.123.88.88";
    sslServerPort = 8123;

    // Connect to the SSL server:
    success = CkSocketW_Connect(socket,sslServerHost,sslServerPort,ssl,maxWaitMillisec);
    if (success != TRUE) {
        wprintf(L"%s\n",CkSocketW_lastErrorText(socket));
        CkSocketW_Dispose(socket);
        CkCertStoreW_Dispose(certStore);
        CkJsonObjectW_Dispose(jsonCN);
        CkCertW_Dispose(cert);
        return;
    }

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

    // Send a "Hello Server! -EOM-" message:
    success = CkSocketW_SendString(socket,L"Hello Server! -EOM-");
    if (success != TRUE) {
        wprintf(L"%s\n",CkSocketW_lastErrorText(socket));
        CkSocketW_Dispose(socket);
        CkCertStoreW_Dispose(certStore);
        CkJsonObjectW_Dispose(jsonCN);
        CkCertW_Dispose(cert);
        return;
    }

    // The server (in this example) is going to send a "Hello Client! -EOM-" 
    // message.  Read it:
    receivedMsg = CkSocketW_receiveUntilMatch(socket,L"-EOM-");
    if (CkSocketW_getLastMethodSuccess(socket) != TRUE) {
        wprintf(L"%s\n",CkSocketW_lastErrorText(socket));
        CkSocketW_Dispose(socket);
        CkCertStoreW_Dispose(certStore);
        CkJsonObjectW_Dispose(jsonCN);
        CkCertW_Dispose(cert);
        return;
    }

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

    wprintf(L"%s\n",receivedMsg);


    CkSocketW_Dispose(socket);
    CkCertStoreW_Dispose(certStore);
    CkJsonObjectW_Dispose(jsonCN);
    CkCertW_Dispose(cert);

    }