upstream: don't try to resolve ListenAddress directives in the sshd

re-exec path - we're never going to use the result and if the operation fails
then it can prevent connections from being accepted. Reported by Aaron
Poffenberger; with / ok dtucker@

OpenBSD-Commit-ID: 44c53a43909a328e2f5ab26070fdef3594eded60
This commit is contained in:
djm@openbsd.org 2022-03-18 04:04:11 +00:00 committed by Damien Miller
parent 1c83c08212
commit 731087d261
3 changed files with 9 additions and 8 deletions

View File

@ -1,5 +1,5 @@
/* $OpenBSD: servconf.c,v 1.383 2022/02/08 08:59:12 dtucker Exp $ */
/* $OpenBSD: servconf.c,v 1.384 2022/03/18 04:04:11 djm Exp $ */
/*
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
* All rights reserved
@ -2520,7 +2520,7 @@ parse_server_match_config(ServerOptions *options,
initialize_server_options(&mo);
parse_server_config(&mo, "reprocess config", cfg, includes,
connectinfo);
connectinfo, 0);
copy_set_server_options(options, &mo, 0);
}
@ -2698,12 +2698,13 @@ parse_server_config_depth(ServerOptions *options, const char *filename,
void
parse_server_config(ServerOptions *options, const char *filename,
struct sshbuf *conf, struct include_list *includes,
struct connection_info *connectinfo)
struct connection_info *connectinfo, int reexec)
{
int active = connectinfo ? 0 : 1;
parse_server_config_depth(options, filename, conf, includes,
connectinfo, (connectinfo ? SSHCFG_MATCH_ONLY : 0), &active, 0);
process_queued_listen_addrs(options);
if (!reexec)
process_queued_listen_addrs(options);
}
static const char *

View File

@ -1,4 +1,4 @@
/* $OpenBSD: servconf.h,v 1.155 2021/07/02 05:11:21 dtucker Exp $ */
/* $OpenBSD: servconf.h,v 1.156 2022/03/18 04:04:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
@ -297,7 +297,7 @@ int process_server_config_line(ServerOptions *, char *, const char *, int,
void process_permitopen(struct ssh *ssh, ServerOptions *options);
void load_server_config(const char *, struct sshbuf *);
void parse_server_config(ServerOptions *, const char *, struct sshbuf *,
struct include_list *includes, struct connection_info *);
struct include_list *includes, struct connection_info *, int);
void parse_server_match_config(ServerOptions *,
struct include_list *includes, struct connection_info *);
int parse_server_match_testspec(struct connection_info *, char *);

4
sshd.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: sshd.c,v 1.584 2022/03/01 01:59:19 djm Exp $ */
/* $OpenBSD: sshd.c,v 1.585 2022/03/18 04:04:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@ -1749,7 +1749,7 @@ main(int ac, char **av)
load_server_config(config_file_name, cfg);
parse_server_config(&options, rexeced_flag ? "rexec" : config_file_name,
cfg, &includes, NULL);
cfg, &includes, NULL, rexeced_flag);
#ifdef WITH_OPENSSL
if (options.moduli_file != NULL)