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#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <gnutls/gnutls.h>
#include <gnutls/x509.h>
#include "examples.h"
int verify_certificate_callback (gnutls_session_t session)
{
unsigned int status;
int ret;
const char *hostname;
/* read hostname */
hostname = gnutls_session_get_ptr (session);
/* This verification function uses the trusted CAs in the credentials
* structure. So you must have installed one or more CA certificates.
*/
ret = gnutls_certificate_verify_peers3 (session, hostname, &status);
if (ret < 0)
{
printf ("Error\n");
return GNUTLS_E_CERTIFICATE_ERROR;
}
if (status & GNUTLS_CERT_INVALID)
printf ("The certificate is not trusted.\n");
if (status & GNUTLS_CERT_SIGNER_NOT_FOUND)
printf ("The certificate hasn't got a known issuer.\n");
if (status & GNUTLS_CERT_REVOKED)
printf ("The certificate has been revoked.\n");
if (status & GNUTLS_CERT_EXPIRED)
printf ("The certificate has expired\n");
if (status & GNUTLS_CERT_NOT_ACTIVATED)
printf ("The certificate is not yet activated\n");
/* notify gnutls to continue handshake normally */
return 0;
}
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