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/*
* Copyright (c) 1990 - 1994, Julianne Frances Haugh
* Copyright (c) 1997 - 2000, Marek Michałkiewicz
* Copyright (c) 2005 , Tomasz Kłoczko
* Copyright (c) 2008 - 2009, Nicolas François
* 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.
* 3. The name of the copyright holders or contributors may not be used to
* endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
* HOLDERS 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.
*/
/* $Id$ */
#ifndef _FAILURE_H_
#define _FAILURE_H_
#include "defines.h"
#include "faillog.h"
#ifdef USE_UTMPX
#include <utmpx.h>
#else /* !USE_UTMPX */
#include <utmp.h>
#endif /* !USE_UTMPX */
/*
* failure - make failure entry
*
* failure() creates a new (struct faillog) entry or updates an
* existing one with the current failed login information.
*/
extern void failure (uid_t, const char *, struct faillog *);
/*
* failcheck - check for failures > allowable
*
* failcheck() is called AFTER the password has been validated. If the
* account has been "attacked" with too many login failures, failcheck()
* returns FALSE to indicate that the login should be denied even though
* the password is valid.
*/
extern int failcheck (uid_t uid, struct faillog *fl, bool failed);
/*
* failprint - print line of failure information
*
* failprint takes a (struct faillog) entry and formats it into a
* message which is displayed at login time.
*/
extern void failprint (const struct faillog *);
/*
* failtmp - update the cumulative failure log
*
* failtmp updates the (struct utmp) formatted failure log which
* maintains a record of all login failures.
*/
#ifdef USE_UTMPX
extern void failtmp (const char *username, const struct utmpx *);
#else /* !USE_UTMPX */
extern void failtmp (const char *username, const struct utmp *);
#endif /* !USE_UTMPX */
#endif
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