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authordjm@openbsd.org <djm@openbsd.org>2023-01-13 03:44:02 +0100
committerDarren Tucker <dtucker@dtucker.net>2023-01-13 04:06:37 +0100
commitf673b49f3be3eb51074fbb8a405beb6cd0f7d93e (patch)
tree1c8837a0dcee10cee2eb1755f9dd727f0644e72c /sshconnect.c
parentupstream: clamp the minimum buffer lengths and number of inflight (diff)
downloadopenssh-f673b49f3be3eb51074fbb8a405beb6cd0f7d93e.tar.xz
openssh-f673b49f3be3eb51074fbb8a405beb6cd0f7d93e.zip
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
Diffstat (limited to 'sshconnect.c')
-rw-r--r--sshconnect.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/sshconnect.c b/sshconnect.c
index 0fca52b22..792bc34bc 100644
--- a/sshconnect.c
+++ b/sshconnect.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: sshconnect.c,v 1.360 2022/11/03 21:59:20 djm 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);