85 lines
3.0 KiB
C
85 lines
3.0 KiB
C
/*
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* Copyright (c) 1990 - 1994, Julianne Frances Haugh
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* Copyright (c) 1997 - 2000, Marek Michałkiewicz
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* Copyright (c) 2005 , Tomasz Kłoczko
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* Copyright (c) 2008 - 2009, Nicolas François
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the copyright holders or contributors may not be used to
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* endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/* $Id$ */
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#ifndef _FAILURE_H_
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#define _FAILURE_H_
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#include "defines.h"
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#include "faillog.h"
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#ifdef USE_UTMPX
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#include <utmpx.h>
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#else /* !USE_UTMPX */
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#include <utmp.h>
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#endif /* !USE_UTMPX */
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/*
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* failure - make failure entry
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*
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* failure() creates a new (struct faillog) entry or updates an
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* existing one with the current failed login information.
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*/
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extern void failure (uid_t, const char *, struct faillog *);
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/*
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* failcheck - check for failures > allowable
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*
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* failcheck() is called AFTER the password has been validated. If the
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* account has been "attacked" with too many login failures, failcheck()
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* returns FALSE to indicate that the login should be denied even though
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* the password is valid.
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*/
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extern int failcheck (uid_t uid, struct faillog *fl, bool failed);
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/*
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* failprint - print line of failure information
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*
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* failprint takes a (struct faillog) entry and formats it into a
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* message which is displayed at login time.
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*/
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extern void failprint (const struct faillog *);
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/*
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* failtmp - update the cummulative failure log
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*
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* failtmp updates the (struct utmp) formatted failure log which
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* maintains a record of all login failures.
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*/
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#ifdef USE_UTMPX
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extern void failtmp (const char *username, const struct utmpx *);
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#else /* !USE_UTMPX */
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extern void failtmp (const char *username, const struct utmp *);
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#endif /* !USE_UTMPX */
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#endif
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