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/* $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 <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
};
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