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authorLennart Poettering <lennart@poettering.net>2012-10-02 17:07:00 -0400
committerLennart Poettering <lennart@poettering.net>2012-10-02 17:07:00 -0400
commitcad45ba11ec3572296361f53f5852ffb97a97fa3 (patch)
tree42c8e2f855d26efb8819b535dc6e86846de811a9 /src/shared/selinux-util.c
parent71ef24d09573874c0f7bc323c07c3aec2a458707 (diff)
selinux: rework selinux access check logic
a) Instead of parsing the bus messages inside of selinux-access.c simply pass everything pre-parsed in the functions b) implement the access checking with a macro that resolves to nothing on non-selinux builds c) split out the selinux checks into their own sources selinux-util.[ch] d) this unifies the job creation code behind the D-Bus calls Manager.StartUnit() and Unit.Start().
Diffstat (limited to 'src/shared/selinux-util.c')
-rw-r--r--src/shared/selinux-util.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/src/shared/selinux-util.c b/src/shared/selinux-util.c
new file mode 100644
index 0000000000..4310a97539
--- /dev/null
+++ b/src/shared/selinux-util.c
@@ -0,0 +1,38 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright 2010 Lennart Poettering
+
+ 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 <selinux/selinux.h>
+
+#include "selinux-util.h"
+
+static int use_selinux_cached = -1;
+
+bool use_selinux(void) {
+
+ if (use_selinux_cached < 0)
+ use_selinux_cached = is_selinux_enabled() > 0;
+
+ return use_selinux_cached;
+}
+
+void retest_selinux(void) {
+ use_selinux_cached = -1;
+}