{
size_t sz = buflen;
void * reset_point = store_get(0);
-int fail = 0;
+int fail;
uschar * cp;
-if (gnutls_x509_crt_export((gnutls_x509_crt_t)cert,
- GNUTLS_X509_FMT_PEM, buf, &sz))
+if ((fail = gnutls_x509_crt_export((gnutls_x509_crt_t)cert,
+ GNUTLS_X509_FMT_PEM, buf, &sz)))
+ {
+ log_write(0, LOG_MAIN, "TLS error in certificate export: %s",
+ gnutls_strerror(fail));
return 1;
+ }
if ((cp = string_printing(buf)) != buf)
{
Ustrncpy(buf, cp, buflen);
datum.data = string_unprinting(US buf);
datum.size = Ustrlen(datum.data);
-if (gnutls_x509_crt_import(crt, &datum, GNUTLS_X509_FMT_PEM))
+if ((fail = gnutls_x509_crt_import(crt, &datum, GNUTLS_X509_FMT_PEM)))
+ {
+ log_write(0, LOG_MAIN, "TLS error in certificate import: %s",
+ gnutls_strerror(fail));
fail = 1;
+ }
else
*cert = (void *)crt;
/*****************************************************
* Certificate field extraction routines
*****************************************************/
+
+/* First, some internal service functions */
+
static uschar *
g_err(const char * tag, const char * from, int gnutls_err)
{
return len > 0 ? cp : NULL;
}
+
/**/
+/* Now the extractors, called from expand.c
+Arguments:
+ cert The certificate
+ mod Optional modifiers for the operator
+
+Return:
+ Allocated string with extracted value
+*/
uschar *
tls_cert_issuer(void * cert, uschar * mod)
size_t sz = sizeof(bin);
uschar * sp;
uschar * dp;
+int ret;
+
+if ((ret = gnutls_x509_crt_get_serial((gnutls_x509_crt_t)cert,
+ bin, &sz)))
+ return g_err("gs0", __FUNCTION__, ret);
-if (gnutls_x509_crt_get_serial((gnutls_x509_crt_t)cert,
- bin, &sz) || sz > sizeof(bin))
- return NULL;
for(dp = txt, sp = bin; sz; dp += 2, sp++, sz--)
sprintf(dp, "%.2x", *sp);
for(sp = txt; sp[0]=='0' && sp[1]; ) sp++; /* leading zeroes */