2 * Copyright (c) 1990 - 1994, Julianne Frances Haugh
3 * Copyright (c) 1997 - 2000, Marek Michałkiewicz
4 * Copyright (c) 2005 , Tomasz Kłoczko
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. The name of the copyright holders or contributors may not be used to
16 * endorse or promote products derived from this software without
17 * specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
45 * failure - make failure entry
47 * failure() creates a new (struct faillog) entry or updates an
48 * existing one with the current failed login information.
50 extern void failure (uid_t, const char *, struct faillog *);
53 * failcheck - check for failures > allowable
55 * failcheck() is called AFTER the password has been validated. If the
56 * account has been "attacked" with too many login failures, failcheck()
57 * returns FALSE to indicate that the login should be denied even though
58 * the password is valid.
60 extern int failcheck (uid_t uid, struct faillog *fl, bool failed);
63 * failprint - print line of failure information
65 * failprint takes a (struct faillog) entry and formats it into a
66 * message which is displayed at login time.
68 extern void failprint (const struct faillog *);
71 * failtmp - update the cummulative failure log
73 * failtmp updates the (struct utmp) formatted failure log which
74 * maintains a record of all login failures.
77 extern void failtmp (const struct utmpx *);
79 extern void failtmp (const struct utmp *);