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| author |   millert <millert@openbsd.org> | 2001-06-17 22:54:44 +0000 |
|---|---|---|
| committer | millert <millert@openbsd.org> | 2001-06-17 22:54:44 +0000 |
| commit | b413d498e828badb4232738e054ef983f17f929c (patch) | |
| tree | 224a91f407cf15d146560af09d28d08a817535c3 | |
| parent | Use BSD authentication to retrieve the challenge so we no longer require (diff) | |
| download | wireguard-openbsd-b413d498e828badb4232738e054ef983f17f929c.tar.xz wireguard-openbsd-b413d498e828badb4232738e054ef983f17f929c.zip | |
be careful to avoid null pointer deref
| -rw-r--r-- | usr.bin/skeyinfo/skeyinfo.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/usr.bin/skeyinfo/skeyinfo.c b/usr.bin/skeyinfo/skeyinfo.c index fbf150aaac6..80050068a69 100644 --- a/usr.bin/skeyinfo/skeyinfo.c +++ b/usr.bin/skeyinfo/skeyinfo.c @@ -1,4 +1,4 @@ -/* $OpenBSD: skeyinfo.c,v 1.7 2001/06/17 22:44:51 millert Exp $ */ +/* $OpenBSD: skeyinfo.c,v 1.8 2001/06/17 22:54:44 millert Exp $ */ /* * Copyright (c) 1997, 2001 Todd C. Miller <Todd.Miller@courtesan.com> @@ -82,7 +82,8 @@ main(argc, argv) as = auth_userchallenge(name, "skey", NULL, &challenge); if (as == NULL || challenge == NULL) { - auth_close(as); + if (as) + auth_close(as); errx(1, "unable to retrieve S/Key challenge for %s", name); } |