From 0ca3f374f9d7c166ac5b391ec7208f6de7274e7f Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Sat, 19 Jun 2010 16:56:57 +0200
Subject: initctl: add some checks before starting up

---
 src/initctl.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'src/initctl.c')

diff --git a/src/initctl.c b/src/initctl.c
index b6bcaf9fc6..3de7fcd42e 100644
--- a/src/initctl.c
+++ b/src/initctl.c
@@ -336,6 +336,16 @@ int main(int argc, char *argv[]) {
         Server server;
         int r = 3, n;
 
+        if (getppid() != 1) {
+                log_error("This program should be invoked by init only.");
+                return 1;
+        }
+
+        if (argc > 1) {
+                log_error("This program does not take arguments.");
+                return 1;
+        }
+
         log_set_target(LOG_TARGET_SYSLOG_OR_KMSG);
         log_parse_environment();
 
-- 
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