upstream: initialize cname in case ai_canonname is NULL or too

long; ok djm

OpenBSD-Commit-ID: c27984636fdb1035d1642283664193e91aab6e37
This commit is contained in:
markus@openbsd.org 2020-03-06 18:20:02 +00:00 committed by Damien Miller
parent a6134b02b5
commit 31f1ee5496

5
ssh.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: ssh.c,v 1.520 2020/02/18 08:49:49 dtucker Exp $ */
/* $OpenBSD: ssh.c,v 1.521 2020/03/06 18:20:02 markus Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@ -248,6 +248,8 @@ resolve_host(const char *name, int port, int logerr, char *cname, size_t clen)
if (port <= 0)
port = default_ssh_port();
if (cname != NULL)
*cname = '\0';
snprintf(strport, sizeof strport, "%d", port);
memset(&hints, 0, sizeof(hints));
@ -477,7 +479,6 @@ resolve_canonicalize(char **hostp, int port)
}
/* Attempt each supplied suffix */
for (i = 0; i < options.num_canonical_domains; i++) {
*newname = '\0';
xasprintf(&fullhost, "%s.%s.", *hostp,
options.canonical_domains[i]);
debug3("%s: attempting \"%s\" => \"%s\"", __func__,