- ruid = getuid();
- if(geteuid() == 0) {
- seteuid(ruid);
- setgid(getgid());
- }
-
- /*
- * From this point on we are running under our real uid, so we don't
- * have to worry about opening security holes below. Make sure we
- * are a valid user.
- */
-
- if(getpwuid(getuid()) == NULL) {
- error("can't get login name for my uid %ld", (long)getuid());
- /*NOTREACHED*/
- }
-