2018-08-28 10:47:58 +00:00
|
|
|
/* $OpenBSD: auth2-none.c,v 1.22 2018/07/09 21:35:50 markus Exp $ */
|
2002-06-23 14:01:54 +00:00
|
|
|
/*
|
|
|
|
|
* Copyright (c) 2000 Markus Friedl. All rights reserved.
|
|
|
|
|
*
|
|
|
|
|
* Redistribution and use in source and binary forms, with or without
|
|
|
|
|
* modification, are permitted provided that the following conditions
|
|
|
|
|
* are met:
|
|
|
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
|
|
|
* notice, this list of conditions and the following disclaimer.
|
|
|
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
|
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
|
|
|
* documentation and/or other materials provided with the distribution.
|
|
|
|
|
*
|
|
|
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
|
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
|
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
|
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
|
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
|
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
|
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
|
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
|
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
|
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#include "includes.h"
|
|
|
|
|
|
2006-09-30 13:29:51 +00:00
|
|
|
#include <sys/types.h>
|
|
|
|
|
#include <sys/stat.h>
|
|
|
|
|
#include <sys/uio.h>
|
|
|
|
|
|
|
|
|
|
#include <fcntl.h>
|
2008-07-23 09:28:49 +00:00
|
|
|
#include <string.h>
|
2008-07-23 09:33:08 +00:00
|
|
|
#include <unistd.h>
|
2015-01-05 16:09:55 +00:00
|
|
|
#include <stdarg.h>
|
|
|
|
|
#include <stdio.h>
|
2006-09-30 13:29:51 +00:00
|
|
|
|
2008-07-23 09:33:08 +00:00
|
|
|
#include "atomicio.h"
|
2002-06-23 14:01:54 +00:00
|
|
|
#include "xmalloc.h"
|
2018-05-06 12:24:45 +00:00
|
|
|
#include "sshkey.h"
|
2006-09-30 13:29:51 +00:00
|
|
|
#include "hostfile.h"
|
|
|
|
|
#include "auth.h"
|
2002-06-23 14:01:54 +00:00
|
|
|
#include "packet.h"
|
|
|
|
|
#include "log.h"
|
2015-01-05 16:09:55 +00:00
|
|
|
#include "misc.h"
|
2002-06-23 14:01:54 +00:00
|
|
|
#include "servconf.h"
|
|
|
|
|
#include "compat.h"
|
|
|
|
|
#include "ssh2.h"
|
2018-05-06 12:24:45 +00:00
|
|
|
#include "ssherr.h"
|
2006-09-30 13:29:51 +00:00
|
|
|
#ifdef GSSAPI
|
|
|
|
|
#include "ssh-gss.h"
|
|
|
|
|
#endif
|
2002-06-23 14:01:54 +00:00
|
|
|
#include "monitor_wrap.h"
|
|
|
|
|
|
|
|
|
|
/* import */
|
|
|
|
|
extern ServerOptions options;
|
|
|
|
|
|
|
|
|
|
/* "none" is allowed only one time */
|
|
|
|
|
static int none_enabled = 1;
|
|
|
|
|
|
|
|
|
|
static int
|
2018-05-06 12:24:45 +00:00
|
|
|
userauth_none(struct ssh *ssh)
|
2002-06-23 14:01:54 +00:00
|
|
|
{
|
2018-05-06 12:24:45 +00:00
|
|
|
int r;
|
|
|
|
|
|
2002-06-23 14:01:54 +00:00
|
|
|
none_enabled = 0;
|
2018-05-06 12:24:45 +00:00
|
|
|
if ((r = sshpkt_get_end(ssh)) != 0)
|
|
|
|
|
fatal("%s: %s", __func__, ssh_err(r));
|
2010-11-08 10:45:44 +00:00
|
|
|
if (options.permit_empty_passwd && options.password_authentication)
|
2018-05-06 12:27:04 +00:00
|
|
|
return (PRIVSEP(auth_password(ssh, "")));
|
2004-01-07 11:10:17 +00:00
|
|
|
return (0);
|
2002-06-23 14:01:54 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
Authmethod method_none = {
|
|
|
|
|
"none",
|
|
|
|
|
userauth_none,
|
|
|
|
|
&none_enabled
|
|
|
|
|
};
|
