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/*-
* Copyright (c) 2002-2003 Networks Associates Technology, Inc.
* Copyright (c) 2004-2011 Dag-Erling Smørgrav
* All rights reserved.
*
* This software was developed for the FreeBSD Project by ThinkSec AS and
* Network Associates Laboratories, the Security Research Division of
* Network Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035
* ("CBOSS"), as part of the DARPA CHATS research program.
*
* 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.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
*
* $Id: pam_authenticate.c 437 2011-09-13 12:00:13Z des $
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <sys/param.h>
#include <security/pam_appl.h>
#include "openpam_impl.h"
/*
* XSSO 4.2.1
* XSSO 6 page 34
*
* Perform authentication within the PAM framework
*/
int
pam_authenticate(pam_handle_t *pamh,
int flags)
{
int r;
ENTER();
if (flags & ~(PAM_SILENT|PAM_DISALLOW_NULL_AUTHTOK))
RETURNC(PAM_SYMBOL_ERR);
r = openpam_dispatch(pamh, PAM_SM_AUTHENTICATE, flags);
pam_set_item(pamh, PAM_AUTHTOK, NULL);
RETURNC(r);
}
/*
* Error codes:
*
* =openpam_dispatch
* =pam_sm_authenticate
* !PAM_IGNORE
* PAM_SYMBOL_ERR
*/
/**
* The =pam_authenticate function attempts to authenticate the user
* associated with the pam context specified by the =pamh argument.
*
* The application is free to call =pam_authenticate as many times as it
* wishes, but some modules may maintain an internal retry counter and
* return =PAM_MAXTRIES when it exceeds some preset or hardcoded limit.
*
* The =flags argument is the binary or of zero or more of the following
* values:
*
* =PAM_SILENT:
* Do not emit any messages.
* =PAM_DISALLOW_NULL_AUTHTOK:
* Fail if the user's authentication token is null.
*
* If any other bits are set, =pam_authenticate will return
* =PAM_SYMBOL_ERR.
*/
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