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upstream: fix NULL dereference in open_listen_match_tcpip() 

OpenBSD-Commit-ID: c968c1d29e392352383c0f9681fcc1e93620c4a9
This commit is contained in:
djm@openbsd.org 2018-06-25 22:28:33 +00:00 committed by Damien Miller
parent f535ff922a
commit 90e51d6727
1 changed files with 2 additions and 2 deletions
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4
channels.c
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@ -1,4 +1,4 @@
/* $OpenBSD: channels.c,v 1.381 2018/06/06 18:22:41 djm Exp $ */
/* $OpenBSD: channels.c,v 1.382 2018/06/25 22:28:33 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@ -3886,7 +3886,7 @@ open_listen_match_tcpip(struct permission *allowed_open,
allowed_host = translate ?
channel_rfwd_bind_host(allowed_open->listen_host) :
allowed_open->listen_host;
if (allowed_host == NULL ||
if (allowed_host == NULL || requestedhost == NULL ||
strcmp(allowed_host, requestedhost) != 0)
return 0;
return 1;