62 lines
1.6 KiB
C
62 lines
1.6 KiB
C
/*
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* SPDX-FileCopyrightText: 1990 - 1994, Julianne Frances Haugh
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* SPDX-FileCopyrightText: 1997 - 2000, Marek Michałkiewicz
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* SPDX-FileCopyrightText: 2005 , Tomasz Kłoczko
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* SPDX-FileCopyrightText: 2008 - 2009, Nicolas François
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*
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* SPDX-License-Identifier: BSD-3-Clause
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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 cumulative 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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