initctl: add some checks before starting up

0ca3f374 · Lennart Poettering · f5a3628c · 0ca3f374 · 0ca3f374
Commit 0ca3f374 authored Jun 19, 2010 by Lennart Poettering
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src/initctl.c src/initctl.c +10 -0

src/logger.c src/logger.c +10 -0

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--- 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();


--- a/src/logger.c
+++ b/src/logger.c
@@ -535,6 +535,16 @@ 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();