shadow/libmisc/failure.h
Serge Hallyn f93cf255d4 Update licensing info
Closes #238

Update all files to list SPDX license shortname.  Most files are
BSD 3 clause license.

The exceptions are:

serge@sl ~/src/shadow$ git grep SPDX-License | grep -v BSD-3-Clause
contrib/atudel:# SPDX-License-Identifier: BSD-4-Clause
lib/tcbfuncs.c: * SPDX-License-Identifier: 0BSD
libmisc/salt.c: * SPDX-License-Identifier: Unlicense
src/login_nopam.c: * SPDX-License-Identifier: Unlicense
src/nologin.c: * SPDX-License-Identifier: BSD-2-Clause
src/vipw.c: * SPDX-License-Identifier: GPL-2.0-or-later

Signed-off-by: Serge Hallyn <serge@hallyn.com>
2021-12-23 19:36:50 -06:00

62 lines
1.6 KiB
C

/*
* SPDX-FileCopyrightText: 1990 - 1994, Julianne Frances Haugh
* SPDX-FileCopyrightText: 1997 - 2000, Marek Michałkiewicz
* SPDX-FileCopyrightText: 2005 , Tomasz Kłoczko
* SPDX-FileCopyrightText: 2008 - 2009, Nicolas François
*
* SPDX-License-Identifier: BSD-3-Clause
*/
/* $Id$ */
#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