GnuTLS: fix the advertising of acceptable certs by the server. Bug 2389

[exim.git] / src / src / tls-gnu.c

diff --git a/src/src/tls-gnu.c b/src/src/tls-gnu.c
index df07c536c7373b31d54a047ec9edecff5aecda74..423c3a23db4659a2874723e168f48f1c57347eda 100644 (file)
--- a/src/src/tls-gnu.c
+++ b/src/src/tls-gnu.c
@@ -1143,6 +1143,14 @@ else
 #endif
     gnutls_certificate_set_x509_trust_file(state->x509_cred,
       CS state->exp_tls_verify_certificates, GNUTLS_X509_FMT_PEM);
+
+#ifdef SUPPORT_CA_DIR
+  /* Mimic the behaviour with OpenSSL of not advertising a usable-cert list
+  when using the directory-of-certs config model. */
+
+  if ((statbuf.st_mode & S_IFMT) == S_IFDIR)
+    gnutls_certificate_send_x509_rdn_sequence(state->session, 1);
+#endif
   }
 
 if (cert_count < 0)
@@ -2757,7 +2765,7 @@ if (!verify_certificate(state, errstr))
   }
 
 #ifndef DISABLE_OCSP
-if (require_ocsp)
+if (request_ocsp)
   {
   DEBUG(D_tls)
     {
@@ -2781,10 +2789,14 @@ if (require_ocsp)
     {
     tlsp->ocsp = OCSP_FAILED;
     tls_error(US"certificate status check failed", NULL, state->host, errstr);
-    return FALSE;
+    if (require_ocsp)
+      return FALSE;
+    }
+  else
+    {
+    DEBUG(D_tls) debug_printf("Passed OCSP checking\n");
+    tlsp->ocsp = OCSP_VFIED;
     }
-  DEBUG(D_tls) debug_printf("Passed OCSP checking\n");
-  tlsp->ocsp = OCSP_VFIED;
   }
 #endif