Commit d21c8fc44b0717bcc6076aea99277da169deb37e - sysvinit

Perform error check on setuid() call in shutdown as manual page suggests. Jesse Smith 6 years ago

1 changed file(s) with 9 addition(s) and 1 deletion(s). Raw diff Collapse all Expand all

-1

src/shutdown.c less more

497	497	int user_ok = 0;
498	498
499	499	/* We can be installed setuid root (executable for a special group) */
500		setuid(geteuid());
	500	/*
	501	This way is risky, do error check on setuid call.
	502	setuid(geteuid());
	503	*/
	504	errno = 0;
	505	if (setuid(geteuid()) == -1) {
	506	fprintf(stderr, "%s (%d): %s\n", __FILE__, __LINE__, strerror(errno));
	507	abort();
	508	}
501	509
502	510	if (getuid() != 0) {
503	511	fprintf(stderr, "shutdown: you must be root to do that!\n");