honor SELinux labels, when creating and writing config files

Also split out some fileio functions to fileio.c and provide a SELinux
aware pendant in fileio-label.c

see https://bugzilla.redhat.com/show_bug.cgi?id=881577

1 files changed, 29 insertions, 0 deletions

diff --git a/src/shared/fileio-label.h b/src/shared/fileio-label.h
new file mode 100644
index 0000000000..cc5ce34708
--- /dev/null
+++ b/src/shared/fileio-label.h
@@ -0,0 +1,29 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+#pragma once
+
+/***
+  This file is part of systemd.
+
+  Copyright 2010 Lennart Poettering
+  Copyright 2010 Harald Hoyer
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <stdio.h>
+#include "fileio.h"
+
+int write_one_line_file_atomic_label(const char *fn, const char *line);
+int write_env_file_label(const char *fname, char **l);