summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--src/machine-id-setup.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/src/machine-id-setup.c b/src/machine-id-setup.c
index 0ec6192449..65792e9b84 100644
--- a/src/machine-id-setup.c
+++ b/src/machine-id-setup.c
@@ -91,7 +91,12 @@ int machine_id_setup(void) {
m = umask(0000);
- if ((fd = open("/etc/machine-id", O_RDWR|O_CREAT|O_CLOEXEC|O_NOCTTY, 0644)) >= 0)
+ /* We create this 0444, to indicate that this isn't really
+ * something you should ever modify. Of course, since the file
+ * will be owned by root it doesn't matter much, but maybe
+ * people look. */
+
+ if ((fd = open("/etc/machine-id", O_RDWR|O_CREAT|O_CLOEXEC|O_NOCTTY, 0444)) >= 0)
writable = true;
else {
if ((fd = open("/etc/machine-id", O_RDONLY|O_CLOEXEC|O_NOCTTY)) < 0) {