/** Transforms a gnutls_datum containing an X.509 certificate into a Certificate instance under the x509_gnutls scheme
*
* @param dt Datum to transform
* @param mode GnuTLS certificate format specifier (GNUTLS_X509_FMT_PEM for
* reading from files, and GNUTLS_X509_FMT_DER for converting
* "over the wire" certs for SSL)
*
* @return A newly allocated Certificate structure of the x509_gnutls scheme
*/
static PurpleCertificate *
x509_import_from_datum(const gnutls_datum_t dt, gnutls_x509_crt_fmt_t mode)
{
/* Internal certificate data structure */
x509_crtdata_t *certdat;
/* New certificate to return */
PurpleCertificate * crt;
/* Allocate and prepare the internal certificate data */
certdat = g_new0(x509_crtdata_t, 1);
if (gnutls_x509_crt_init(&(certdat->crt)) != 0) {
g_free(certdat);
return NULL;
}
certdat->refcount = 0;
/* Perform the actual certificate parse */
/* Yes, certdat->crt should be passed as-is */
if (gnutls_x509_crt_import(certdat->crt, &dt, mode) != 0) {
g_free(certdat);
return NULL;
}
/* Allocate the certificate and load it with data */
crt = g_new0(PurpleCertificate, 1);
crt->scheme = &x509_gnutls;
crt->data = x509_crtdata_addref(certdat);
return crt;
}
static PurpleCertificate *
x509_copy_certificate(PurpleCertificate *crt)
{
x509_crtdata_t *crtdat;
PurpleCertificate *newcrt;
g_return_val_if_fail(crt, NULL);
g_return_val_if_fail(crt->scheme == &x509_gnutls, NULL);
crtdat = (x509_crtdata_t *) crt->data;
newcrt = g_new0(PurpleCertificate, 1);
newcrt->scheme = &x509_gnutls;
newcrt->data = x509_crtdata_addref(crtdat);
return newcrt;
}
