* Exim - an Internet mail transport agent *
*************************************************/
-/* Copyright (c) University of Cambridge 1995 - 2015 */
+/* Copyright (c) University of Cambridge 1995 - 2016 */
/* See the file NOTICE for conditions of use and distribution. */
/* This module provides TLS (aka SSL) support for Exim. The code for OpenSSL is
based on a patch that was originally contributed by Steve Haslam. It was
adapted from stunnel, a GPL program by Michal Trojnara. The code for GNU TLS is
-based on a patch contributed by Nikos Mavroyanopoulos. Because these packages
+based on a patch contributed by Nikos Mavrogiannopoulos. Because these packages
are so very different, the functions for each are kept in separate files. The
relevant file is #included as required, after any any common functions.
*/
static BOOL
-expand_check(const uschar *s, const uschar *name, uschar **result)
+expand_check(const uschar *s, const uschar *name, uschar **result, uschar ** errstr)
{
-if (s == NULL) *result = NULL; else
+if (!s)
+ *result = NULL;
+else if ( !(*result = expand_string(US s)) /* need to clean up const more */
+ && !expand_string_forcedfail
+ )
{
- *result = expand_string(US s); /* need to clean up const some more */
- if (*result == NULL && !expand_string_forcedfail)
- {
- log_write(0, LOG_MAIN|LOG_PANIC, "expansion of %s failed: %s", name,
- expand_string_message);
- return FALSE;
- }
+ *errstr = US"Internal error";
+ log_write(0, LOG_MAIN|LOG_PANIC, "expansion of %s failed: %s", name,
+ expand_string_message);
+ return FALSE;
}
return TRUE;
}
* Timezone environment flipping *
*************************************************/
-#ifdef MISSING_UNSETENV_3
-# include "setenv.c"
-#endif
-
static uschar *
to_tz(uschar * tz)
{
- uschar * old = US getenv("TZ");
- (void) setenv("TZ", CCS tz, 1);
- tzset();
- return old;
+uschar * old = US getenv("TZ");
+(void) setenv("TZ", CCS tz, 1);
+tzset();
+return old;
}
+
static void
restore_tz(uschar * tz)
{
- if (tz)
- (void) setenv("TZ", CCS tz, 1);
- else
- (void) unsetenv("TZ");
- tzset();
+if (tz)
+ (void) setenv("TZ", CCS tz, 1);
+else
+ (void) os_unsetenv(US"TZ");
+tzset();
}
/*************************************************