sulogin: don't run if not found passww entry [coverity scan]

sulogin(8) should not run if there is no /etc/{passwd,shadow} entry
and --force command line option is no specified otherwise NULL pointer
dereference is possible.

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/login-utils/sulogin.c b/login-utils/sulogin.c
index 621df1e4fcf88b53f02af2d577c49cbcad690c12..71308583c33f0401e5479797caf84f347cba561b 100644 (file)
--- a/login-utils/sulogin.c
+++ b/login-utils/sulogin.c
@@ -877,6 +877,7 @@ int main(int argc, char **argv)
        if ((pwd = getrootpwent(opt_e)) == NULL) {
                warnx(_("cannot open password database."));
                sleep(2);
+               return EXIT_FAILURE;
        }
 
        /*