core: hook up MountFlags= to the transient unit logic

This makes "systemd-run -p MountFlags=shared -t /bin/sh" work, by making
MountFlags= to the list of properties that may be accessed transiently.

1 files changed, 45 insertions, 0 deletions

diff --git a/src/test/test-mount-util.c b/src/test/test-mount-util.c
new file mode 100644
index 0000000000..da7f35623b
--- /dev/null
+++ b/src/test/test-mount-util.c
@@ -0,0 +1,45 @@
+/***
+  This file is part of systemd.
+
+  Copyright 2016 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 <sys/mount.h>
+
+#include "log.h"
+#include "mount-util.h"
+#include "string-util.h"
+
+static void test_mount_propagation_flags(const char *name, unsigned long f) {
+        assert(mount_propagation_flags_from_string(name) == f);
+
+        if (f != 0)
+                assert_se(streq_ptr(mount_propagation_flags_to_string(f), name));
+}
+
+int main(int argc, char *argv[]) {
+
+        log_set_max_level(LOG_DEBUG);
+
+        test_mount_propagation_flags("shared", MS_SHARED);
+        test_mount_propagation_flags("slave", MS_SLAVE);
+        test_mount_propagation_flags("private", MS_PRIVATE);
+        test_mount_propagation_flags(NULL, 0);
+        test_mount_propagation_flags("", 0);
+        test_mount_propagation_flags("xxxx", 0);
+
+        return 0;
+}