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authordjm <djm@openbsd.org>2016-04-21 06:08:02 +0000
committerdjm <djm@openbsd.org>2016-04-21 06:08:02 +0000
commit2fb1ed3ca9476e9f879a5aad1d23bd96e3f82512 (patch)
tree90de4635261647a8febeca24bf4bb726f67a853c /usr.bin/ssh/ssh-dss.c
parentRemove some incorrect and outdated references to pool debugging from pool.h (diff)
downloadwireguard-openbsd-2fb1ed3ca9476e9f879a5aad1d23bd96e3f82512.tar.xz
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make argument == NULL tests more consistent
Diffstat (limited to 'usr.bin/ssh/ssh-dss.c')
-rw-r--r--usr.bin/ssh/ssh-dss.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/usr.bin/ssh/ssh-dss.c b/usr.bin/ssh/ssh-dss.c
index 00b2eb19ea5..b45e698481d 100644
--- a/usr.bin/ssh/ssh-dss.c
+++ b/usr.bin/ssh/ssh-dss.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssh-dss.c,v 1.34 2015/12/11 04:21:12 mmcc Exp $ */
+/* $OpenBSD: ssh-dss.c,v 1.35 2016/04/21 06:08:02 djm Exp $ */
/*
* Copyright (c) 2000 Markus Friedl. All rights reserved.
*
@@ -133,7 +133,8 @@ ssh_dss_verify(const struct sshkey *key,
char *ktype = NULL;
if (key == NULL || key->dsa == NULL ||
- sshkey_type_plain(key->type) != KEY_DSA)
+ sshkey_type_plain(key->type) != KEY_DSA ||
+ signature == NULL || signaturelen == 0)
return SSH_ERR_INVALID_ARGUMENT;
if (dlen == 0)
return SSH_ERR_INTERNAL_ERROR;