SPDX: license tags (mostly by guesswork)

[exim.git] / src / src / daemon.c

diff --git a/src/src/daemon.c b/src/src/daemon.c
index 54725e07d9ba4f74e3f442f89aeaa657681bfe84..0afc7ca86611cd8e98b97965ef8d3aa54c650715 100644 (file)
--- a/src/src/daemon.c
+++ b/src/src/daemon.c
@@ -5,6 +5,7 @@
 /* Copyright (c) The Exim Maintainers 2020 - 2022 */
 /* Copyright (c) University of Cambridge 1995 - 2018 */
 /* See the file NOTICE for conditions of use and distribution. */
+/* SPDX-License-Identifier: GPL-2.0-only */
 
 /* Functions concerned with running Exim as a daemon */
 
@@ -1776,15 +1777,19 @@ if (f.background_daemon)
   daemon as the result of a SIGHUP. In this case, there is no need to do
   anything, because the controlling terminal has long gone. Otherwise, fork, in
   case current process is a process group leader (see 'man setsid' for an
-  explanation) before calling setsid(). */
+  explanation) before calling setsid().
+  All other forks want daemon_listen cleared. Rather than blow a register, jsut
+  restore it here. */
 
   if (getppid() != 1)
     {
+    BOOL daemon_listen = f.daemon_listen;
     pid_t pid = exim_fork(US"daemon");
     if (pid < 0) log_write(0, LOG_MAIN|LOG_PANIC_DIE,
       "fork() failed when starting daemon: %s", strerror(errno));
     if (pid > 0) exit(EXIT_SUCCESS);      /* in parent process, just exit */
     (void)setsid();                       /* release controlling terminal */
+    f.daemon_listen = daemon_listen;
     }
   }
 
@@ -2122,7 +2127,7 @@ else if (f.daemon_listen)
              if (*--p == '}') *p = '\0';       /* drop EOL */
              while (isdigit(*--p)) ;           /* char before port */
 
-             i2->log = *p == ':'               /* no list yet? */
+             i2->log = *p == ':'               /* no list yet?     { */
                ? string_sprintf("%.*s{%s,%d}",
                  (int)(p - i2->log + 1), i2->log, p+1, ipa->port)
                : string_sprintf("%s,%d}", i2->log, ipa->port);