constification

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

diff --git a/src/src/tls-gnu.c b/src/src/tls-gnu.c
index 4943f48b7d2e3318bb46c683d32c44e65b629185..6162cfa9e0ed1e21d992fa2053ff4212fffbf812 100644 (file)
--- a/src/src/tls-gnu.c
+++ b/src/src/tls-gnu.c
@@ -120,7 +120,7 @@ typedef struct exim_gnutls_state {
   uschar *exp_tls_crl;
   uschar *exp_tls_require_ciphers;
   uschar *exp_tls_ocsp_file;
-  uschar *exp_tls_verify_cert_hostnames;
+  const uschar *exp_tls_verify_cert_hostnames;
 #ifdef EXPERIMENTAL_EVENT
   uschar *event_action;
 #endif
@@ -857,6 +857,10 @@ if (state->tls_verify_certificates && *state->tls_verify_certificates)
   {
   if (!expand_check_tlsvar(tls_verify_certificates))
     return DEFER;
+#ifndef SUPPORT_SYSDEFAULT_CABUNDLE
+  if (Ustrcmp(state->exp_tls_verify_certificates, "system") == 0)
+    state->exp_tls_verify_certificates = NULL;
+#endif
   if (state->tls_crl && *state->tls_crl)
     if (!expand_check_tlsvar(tls_crl))
       return DEFER;
@@ -1394,7 +1398,7 @@ else
   if (state->exp_tls_verify_cert_hostnames)
     {
     int sep = 0;
-    uschar * list = state->exp_tls_verify_cert_hostnames;
+    const uschar * list = state->exp_tls_verify_cert_hostnames;
     uschar * name;
     while (name = string_nextinlist(&list, &sep, NULL, 0))
       if (gnutls_x509_crt_check_hostname(state->tlsp->peercert, CS name))
@@ -1856,7 +1860,7 @@ the specified host patterns if one of them is defined */
 
 if (  (  state->exp_tls_verify_certificates
       && !ob->tls_verify_hosts
-      && !ob->tls_try_verify_hosts
+      && (!ob->tls_try_verify_hosts || !*ob->tls_try_verify_hosts)
       )
     || verify_check_given_host(&ob->tls_verify_hosts, host) == OK
    )