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authordjm@openbsd.org <djm@openbsd.org>2023-04-06 03:19:32 +0000
committerDamien Miller <djm@mindrot.org>2023-04-06 13:27:16 +1000
commit2519110659a1efac6c976895a86659d1b341c91b (patch)
treef04287b636687c1c9923f5c92fdd28e2744df5c7
parent3b9ceaad7ad63c1c03c2a89e148340ad3a62a482 (diff)
downloadopenssh-git-2519110659a1efac6c976895a86659d1b341c91b.tar.gz
upstream: match_user() shouldn't be called with user==NULL unless
host and ipaddr are also NULL OpenBSD-Commit-ID: fa3518346c21483e9e01a2e4b9436ae501daf8ea
-rw-r--r--match.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/match.c b/match.c
index 3ac854d3..d6af2561 100644
--- a/match.c
+++ b/match.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: match.c,v 1.43 2020/11/03 22:53:12 djm Exp $ */
+/* $OpenBSD: match.c,v 1.44 2023/04/06 03:19:32 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -247,6 +247,9 @@ match_user(const char *user, const char *host, const char *ipaddr,
return 0;
}
+ if (user == NULL)
+ return 0; /* shouldn't happen */
+
if ((p = strchr(pattern, '@')) == NULL)
return match_pattern(user, pattern);