mirror of
https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
synced 2024-12-25 20:27:55 +01:00
a0ee8cc636
upstream) and a number of security fixes which we had already backported. MFC after: 1 week
82 lines
2.4 KiB
C
82 lines
2.4 KiB
C
/* $OpenBSD: auth2-passwd.c,v 1.12 2014/07/15 15:54:14 millert Exp $ */
|
|
/*
|
|
* 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"
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include <string.h>
|
|
#include <stdarg.h>
|
|
|
|
#include "xmalloc.h"
|
|
#include "packet.h"
|
|
#include "log.h"
|
|
#include "key.h"
|
|
#include "hostfile.h"
|
|
#include "auth.h"
|
|
#include "buffer.h"
|
|
#ifdef GSSAPI
|
|
#include "ssh-gss.h"
|
|
#endif
|
|
#include "monitor_wrap.h"
|
|
#include "misc.h"
|
|
#include "servconf.h"
|
|
|
|
/* import */
|
|
extern ServerOptions options;
|
|
|
|
static int
|
|
userauth_passwd(Authctxt *authctxt)
|
|
{
|
|
char *password, *newpass;
|
|
int authenticated = 0;
|
|
int change;
|
|
u_int len, newlen;
|
|
|
|
change = packet_get_char();
|
|
password = packet_get_string(&len);
|
|
if (change) {
|
|
/* discard new password from packet */
|
|
newpass = packet_get_string(&newlen);
|
|
explicit_bzero(newpass, newlen);
|
|
free(newpass);
|
|
}
|
|
packet_check_eom();
|
|
|
|
if (change)
|
|
logit("password change not supported");
|
|
else if (PRIVSEP(auth_password(authctxt, password)) == 1)
|
|
authenticated = 1;
|
|
explicit_bzero(password, len);
|
|
free(password);
|
|
return authenticated;
|
|
}
|
|
|
|
Authmethod method_passwd = {
|
|
"password",
|
|
userauth_passwd,
|
|
&options.password_authentication
|
|
};
|