X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/37688315a566d2bfaeae040ee1cbaae3102efced..HEAD:/src/src/tls.c

diff --git a/src/src/tls.c b/src/src/tls.c
index 8f4344c6c..a1ae1abd1 100644
--- a/src/src/tls.c
+++ b/src/src/tls.c
@@ -2,7 +2,7 @@
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
-/* Copyright (c) The Exim Maintainers 2020 - 2022 */
+/* Copyright (c) The Exim Maintainers 2020 - 2024 */
 /* Copyright (c) University of Cambridge 1995 - 2018 */
 /* See the file NOTICE for conditions of use and distribution. */
 /* SPDX-License-Identifier: GPL-2.0-or-later */
@@ -40,13 +40,16 @@ functions from the OpenSSL or GNU TLS libraries. */
 static void tls_per_lib_daemon_init(void);
 static void tls_per_lib_daemon_tick(void);
 static unsigned  tls_server_creds_init(void);
-static void tls_server_creds_invalidate(void);
 static void tls_client_creds_init(transport_instance *, BOOL);
-static void tls_client_creds_invalidate(transport_instance *);
 static void tls_daemon_creds_reload(void);
 static BOOL opt_set_and_noexpand(const uschar *);
 static BOOL opt_unset_or_noexpand(const uschar *);
 
+#if defined(EXIM_HAVE_INOTIFY) || defined(EXIM_HAVE_KEVENT)
+static void tls_server_creds_invalidate(void);
+static void tls_client_creds_invalidate(transport_instance *);
+#endif
+
 
 
 /* This module is compiled only when it is specifically requested in the
@@ -105,7 +108,10 @@ expand_check(const uschar * s, const uschar * name,
   uschar ** result, uschar ** errstr)
 {
 if (!s)
+  {
+  f.expand_string_forcedfail = FALSE;
   *result = NULL;
+  }
 else if (  !(*result = expand_string(US s)) /* need to clean up const more */
 	&& !f.expand_string_forcedfail
 	)
@@ -321,7 +327,9 @@ tls_client_creds_reload(BOOL watch)
 for(transport_instance * t = transports; t; t = t->next)
   if (Ustrcmp(t->driver_name, "smtp") == 0)
     {
+#if defined(EXIM_HAVE_INOTIFY) || defined(EXIM_HAVE_KEVENT)
     tls_client_creds_invalidate(t);
+#endif
     tls_client_creds_init(t, watch);
     }
 }
@@ -357,7 +365,9 @@ unsigned lifetime;
 tls_watch_invalidate();
 #endif
 
+#if defined(EXIM_HAVE_INOTIFY) || defined(EXIM_HAVE_KEVENT)
 tls_server_creds_invalidate();
+#endif
 
 /* _expire is for a time-limited selfsign server cert */
 tls_creds_expire = (lifetime = tls_server_creds_init())