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From f673b49f3be3eb51074fbb8a405beb6cd0f7d93e Mon Sep 17 00:00:00 2001
From: "djm@openbsd.org" <djm@openbsd.org>
Date: Fri, 13 Jan 2023 02:44:02 +0000
Subject: [PATCH] upstream: avoid printf("%s", NULL) if using ssh
-oUserKnownHostsFile=none and a hostkey in one of the system known hosts file
changes; ok dtucker@
OpenBSD-Commit-ID: 7ca87614bfc6da491315536a7f2301434a9fe614
Conflict:NA
Reference:https://anongit.mindrot.org/openssh.git/commit?id=f673b49f3be3eb51074fbb8a405beb6cd0f7d93e
---
sshconnect.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/sshconnect.c b/sshconnect.c
index 0fca52b2..792bc34b 100644
--- a/sshconnect.c
+++ b/sshconnect.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: sshconnect.c,v 1.355 2021/07/02 05:11:21 dtucker Exp $ */
+/* $OpenBSD: sshconnect.c,v 1.361 2023/01/13 02:44:02 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1276,8 +1276,11 @@ check_host_key(char *hostname, const struct ssh_conn_info *cinfo,
}
/* The host key has changed. */
warn_changed_key(host_key);
- error("Add correct host key in %.100s to get rid of this message.",
- user_hostfiles[0]);
+ if (num_user_hostfiles > 0 || num_system_hostfiles > 0) {
+ error("Add correct host key in %.100s to get rid "
+ "of this message.", num_user_hostfiles > 0 ?
+ user_hostfiles[0] : system_hostfiles[0]);
+ }
error("Offending %s key in %s:%lu",
sshkey_type(host_found->key),
host_found->file, host_found->line);
--
2.27.0
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