Using Client Certificate w/ IMAP SSL

Demonstrates how to use a client-side certificate with an IMAP SSL connection. The SetSslClientCert method is called to specify a certificate to be used for the SSL connection.

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#include <C_CkImap.h>
#include <C_CkCertStore.h>
#include <C_CkCert.h>
#include <C_CkMessageSet.h>
#include <C_CkEmailBundle.h>
#include <C_CkEmail.h>

void ChilkatSample(void)
    {
    HCkImap imap;
    BOOL success;
    HCkCertStore certStore;
    HCkCert cert;
    HCkCert cert2;
    HCkMessageSet messageSet;
    BOOL fetchUids;
    HCkEmailBundle bundle;
    long i;
    HCkEmail email;

    imap = CkImap_Create();

    //  Anything unlocks the component and begins a fully-functional 30-day trial.
    success = CkImap_UnlockComponent(imap,"Anything for 30-day trial");
    if (success != TRUE) {
        printf("%s\n",CkImap_lastErrorText(imap));
        return;
    }

    //  To use a secure SSL connection, set SSL and the port:
    CkImap_putSsl(imap,TRUE);
    //  The typical port for IMAP SSL is 993
    CkImap_putPort(imap,993);

    //  Load a certificate from a PFX file and use it.
    //  Note: Other methods are available to load pre-installed
    //  certificates from registry-based certificate stores.

    //  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,"myCertWithPrivateKey.pfx","secret");
    if (success != TRUE) {
        printf("%s\n",CkCertStore_lastErrorText(certStore));
        return;
    }

    //  Find the certificate by the subject common name:

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

    //  If a PFX file is known to contain a single certificate,
    //  you may load it directly into a Chilkat certificate object.
    //  This snippet of source code shows how:
    cert2 = CkCert_Create();
    //  The 1st argument is the filename, the 2nd arg is the
    //  PFX file's password:
    success = CkCert_LoadPfxFile(cert2,"tagtooga_secret.pfx","secret");
    if (success != TRUE) {
        printf("%s\n",CkCert_lastErrorText(cert));
        return;
    }

    //  Use the cert:
    CkImap_SetSslClientCert(imap,cert);

    //  Connect to an IMAP server.
    success = CkImap_Connect(imap,"mail.chilkatsoft.com");
    if (success != TRUE) {
        printf("%s\n",CkImap_lastErrorText(imap));
        return;
    }

    //  Login
    success = CkImap_Login(imap,"myLogin","myPassword");
    if (success != TRUE) {
        printf("%s\n",CkImap_lastErrorText(imap));
        return;
    }

    //  Select an IMAP mailbox
    success = CkImap_SelectMailbox(imap,"Inbox");
    if (success != TRUE) {
        printf("%s\n",CkImap_lastErrorText(imap));
        return;
    }

    //  We can choose to fetch UIDs or sequence numbers.

    fetchUids = TRUE;
    //  Get the message IDs of all the emails in the mailbox
    messageSet = CkImap_Search(imap,"ALL",fetchUids);
    if (messageSet == 0 ) {
        printf("%s\n",CkImap_lastErrorText(imap));
        return;
    }

    //  Fetch the emails into a bundle object:

    bundle = CkImap_FetchBundle(imap,messageSet);
    if (bundle == 0 ) {
        CkMessageSet_Dispose(messageSet);
        printf("%s\n",CkImap_lastErrorText(imap));
        return;
    }

    //  Loop over the bundle and display the FROM and SUBJECT of each.

    for (i = 0; i <= CkEmailBundle_getMessageCount(bundle) - 1; i++) {

        email = CkEmailBundle_GetEmail(bundle,i);
        printf("%s\n",CkEmail_ck_from(email));
        printf("%s\n",CkEmail_subject(email));
        printf("--\n");
        CkEmail_Dispose(email);
    }

    //  Disconnect from the IMAP server.
    CkImap_Disconnect(imap);

    CkMessageSet_Dispose(messageSet);
    CkEmailBundle_Dispose(bundle);

    CkImap_Dispose(imap);
    CkCertStore_Dispose(certStore);
    CkCert_Dispose(cert2);

    }