1.\"-
2.\" Copyright (c) 2001-2003 Networks Associates Technology, Inc.
3.\" Copyright (c) 2004-2011 Dag-Erling Smørgrav
4.\" All rights reserved.
5.\"
6.\" This software was developed for the FreeBSD Project by ThinkSec AS and
7.\" Network Associates Laboratories, the Security Research Division of
8.\" Network Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035
9.\" ("CBOSS"), as part of the DARPA CHATS research program.
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35.\" $Id$
36.\"
37.Dd May 26, 2012
38.Dt PAM_SETCRED 3
39.Os
40.Sh NAME
41.Nm pam_setcred
42.Nd modify / delete user credentials for an authentication service
43.Sh LIBRARY
44.Lb libpam
45.Sh SYNOPSIS
46.In sys/types.h
47.In security/pam_appl.h
48.Ft "int"
49.Fn pam_setcred "pam_handle_t *pamh" "int flags"
50.Sh DESCRIPTION
51The
52.Fn pam_setcred
53function manages the application's credentials.
54.Pp
55The
56.Fa flags
57argument is the binary or of zero or more of the following
58values:
59.Bl -tag -width 18n
60.It Dv PAM_SILENT
61Do not emit any messages.
62.It Dv PAM_ESTABLISH_CRED
63Establish the credentials of the target user.
64.It Dv PAM_DELETE_CRED
65Revoke all established credentials.
66.It Dv PAM_REINITIALIZE_CRED
67Fully reinitialise credentials.
68.It Dv PAM_REFRESH_CRED
69Refresh credentials.
70.El
71.Pp
72The latter four are mutually exclusive.
73.Pp
74If any other bits are set,
75.Fn pam_setcred
76will return
77.Dv PAM_SYMBOL_ERR .
78.Sh RETURN VALUES
79The
80.Fn pam_setcred
81function returns one of the following values:
82.Bl -tag -width 18n
83.It Bq Er PAM_ABORT
84General failure.
85.It Bq Er PAM_BUF_ERR
86Memory buffer error.
87.It Bq Er PAM_CONV_ERR
88Conversation failure.
89.It Bq Er PAM_CRED_ERR
90Failed to set user credentials.
91.It Bq Er PAM_CRED_EXPIRED
92User credentials have expired.
93.It Bq Er PAM_CRED_UNAVAIL
94Failed to retrieve user credentials.
95.It Bq Er PAM_PERM_DENIED
96Permission denied.
97.It Bq Er PAM_SERVICE_ERR
98Error in service module.
99.It Bq Er PAM_SYMBOL_ERR
100Invalid symbol.
101.It Bq Er PAM_SYSTEM_ERR
102System error.
103.It Bq Er PAM_USER_UNKNOWN
104Unknown user.
105.El
106.Sh SEE ALSO
107.Xr pam 3 ,
108.Xr pam_strerror 3
109.Sh STANDARDS
110.Rs
111.%T "X/Open Single Sign-On Service (XSSO) - Pluggable Authentication Modules"
112.%D "June 1997"
113.Re
114.Sh AUTHORS
115The
116.Fn pam_setcred
117function and this manual page were
118developed for the
119.Fx
120Project by ThinkSec AS and Network Associates Laboratories, the
121Security Research Division of Network Associates, Inc.\& under
122DARPA/SPAWAR contract N66001-01-C-8035
123.Pq Dq CBOSS ,
124as part of the DARPA CHATS research program.
125