lib/utmp.c: check parent PID too when looking for utmp entry

'login' binary may fork itself before this check, so the entry may
contain parent PID instead of current process PID

diff --git a/lib/utmp.c b/lib/utmp.c
index ff886354ac052cbcd89c2f3fb8beae6255ffe8e5..44f0301f49287dff4688691b38aa1d353c97a119 100644 (file)
--- a/lib/utmp.c
+++ b/lib/utmp.c
@@ -157,7 +157,8 @@ get_current_utmp(void)
 
        /* First, try to find a valid utmp entry for this process.  */
        while ((ut = getutxent()) != NULL) {
-               if (   (ut->ut_pid == getpid ())
+               if (   (   (ut->ut_pid == getpid ())
+                       || (ut->ut_pid == getppid ()))
                    && ('\0' != ut->ut_id[0])
                    && (   (LOGIN_PROCESS == ut->ut_type)
                        || (USER_PROCESS  == ut->ut_type))