C

Get the Server Certificate, Certificate Chain, and Root CA Certificate

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Demonstrates how to get the HTTP server certificate, its certificate chain, and the root CA certificate. C

#include <C_CkHttp.h>
#include <C_CkCert.h>
#include <C_CkCertChain.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkHttp http;
    HCkCert sslCert;
    HCkCertChain certChain;
    HCkCert cert;
    int i;
    int numCerts;
    HCkCert caCert;

    success = FALSE;

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

    http = CkHttp_Create();

    // We're getting the SSL/TLS certificate, so make sure to connect to the SSL/TLS port (443).
    sslCert = CkCert_Create();
    success = CkHttp_GetServerCert(http,"apple.com",443,sslCert);
    if (success == FALSE) {
        printf("%s\n",CkHttp_lastErrorText(http));
        CkHttp_Dispose(http);
        CkCert_Dispose(sslCert);
        return;
    }

    certChain = CkCertChain_Create();
    success = CkCert_BuildCertChain(sslCert,certChain);
    if (success == FALSE) {
        printf("%s\n",CkCert_lastErrorText(sslCert));
        CkHttp_Dispose(http);
        CkCert_Dispose(sslCert);
        CkCertChain_Dispose(certChain);
        return;
    }

    cert = CkCert_Create();
    i = 0;
    numCerts = CkCertChain_getNumCerts(certChain);
    while (i < numCerts) {
        CkCertChain_CertAt(certChain,i,cert);
        printf("SubjectDN %d: %s\n",i,CkCert_subjectDN(cert));
        printf("IssuerDN %d: %s\n",i,CkCert_issuerDN(cert));
        i = i + 1;
    }

    // If the certificate chain reaches the root CA cert, then the last cert in the chain
    // is the root CA cert.
    if (CkCertChain_getReachesRoot(certChain) == TRUE) {
        caCert = CkCert_Create();
        CkCertChain_CertAt(certChain,numCerts - 1,caCert);
        printf("CA Root Cert: %s\n",CkCert_subjectDN(caCert));
    }



    CkHttp_Dispose(http);
    CkCert_Dispose(sslCert);
    CkCertChain_Dispose(certChain);
    CkCert_Dispose(cert);
    CkCert_Dispose(caCert);

    }