1 .\" $NetBSD: pam_authenticate.3,v 1.4 2006/02/05 02:37:45 christos Exp $
4 .\" Copyright (c) 2001-2003 Networks Associates Technology, Inc.
5 .\" Copyright (c) 2004-2007 Dag-Erling Smørgrav
6 .\" All rights reserved.
8 .\" This software was developed for the FreeBSD Project by ThinkSec AS and
9 .\" Network Associates Laboratories, the Security Research Division of
10 .\" Network Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035
11 .\" ("CBOSS"), as part of the DARPA CHATS research program.
13 .\" Redistribution and use in source and binary forms, with or without
14 .\" modification, are permitted provided that the following conditions
16 .\" 1. Redistributions of source code must retain the above copyright
17 .\" notice, this list of conditions and the following disclaimer.
18 .\" 2. Redistributions in binary form must reproduce the above copyright
19 .\" notice, this list of conditions and the following disclaimer in the
20 .\" documentation and/or other materials provided with the distribution.
21 .\" 3. The name of the author may not be used to endorse or promote
22 .\" products derived from this software without specific prior written
25 .\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
26 .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 .\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
29 .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
40 .Dt PAM_AUTHENTICATE 3
44 .Nd perform authentication within the PAM framework
49 .In security/pam_appl.h
51 .Fn pam_authenticate "pam_handle_t *pamh" "int flags"
55 function attempts to authenticate the user
56 associated with the pam context specified by the
60 The application is free to call
63 wishes, but some modules may maintain an internal retry counter and
66 when it exceeds some preset or hardcoded limit.
70 argument is the binary or of zero or more of the following
74 Do not emit any messages.
75 .It Dv PAM_DISALLOW_NULL_AUTHTOK
76 Fail if the user's authentication token is null.
79 If any other bits are set,
86 function returns one of the following values:
90 .It Bq Er PAM_AUTHINFO_UNAVAIL
91 Authentication information is unavailable.
92 .It Bq Er PAM_AUTH_ERR
96 .It Bq Er PAM_CONV_ERR
98 .It Bq Er PAM_CRED_INSUFFICIENT
99 Insufficient credentials.
100 .It Bq Er PAM_MAXTRIES
101 Maximum number of tries exceeded.
102 .It Bq Er PAM_PERM_DENIED
104 .It Bq Er PAM_SERVICE_ERR
105 Error in service module.
106 .It Bq Er PAM_SYMBOL_ERR
108 .It Bq Er PAM_SYSTEM_ERR
110 .It Bq Er PAM_USER_UNKNOWN
118 .%T "X/Open Single Sign-On Service (XSSO) - Pluggable Authentication Modules"
124 function and this manual page were developed for the
126 Project by ThinkSec AS and Network Associates Laboratories, the
127 Security Research Division of Network Associates, Inc.\& under
128 DARPA/SPAWAR contract N66001-01-C-8035
130 as part of the DARPA CHATS research program.