1.\"-
2.\" Copyright (c) 2001-2003 Networks Associates Technology, Inc.
3.\" Copyright (c) 2004-2007 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.
10.\"
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35.\" $P4$
36.\"
37.Dd December 21, 2007
38.Dt PAM_GET_ITEM 3
39.Os
40.Sh NAME
41.Nm pam_get_item
42.Nd get PAM information
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_get_item "const pam_handle_t *pamh" "int item_type" "const void **item"
50.Sh DESCRIPTION
51The
52.Nm
53function stores a pointer to the item specified by
54the
55.Fa item_type
56argument in the location specified by the
57.Fa item
58argument.
59The item is retrieved from the PAM context specified by the
60.Fa pamh
61argument.
62The following item types are recognized:
63.Bl -tag -width 18n
64.It Dv PAM_SERVICE
65The name of the requesting service.
66.It Dv PAM_USER
67The name of the user the application is trying to
68authenticate.
69.It Dv PAM_TTY
70The name of the current terminal.
71.It Dv PAM_RHOST
72The name of the applicant's host.
73.It Dv PAM_CONV
74A
75.Vt struct pam_conv
76describing the current conversation
77function.
78.It Dv PAM_AUTHTOK
79The current authentication token.
80.It Dv PAM_OLDAUTHTOK
81The expired authentication token.
82.It Dv PAM_RUSER
83The name of the applicant.
84.It Dv PAM_USER_PROMPT
85The prompt to use when asking the applicant for a user
86name to authenticate as.
87.It Dv PAM_AUTHTOK_PROMPT
88The prompt to use when asking the applicant for an
89authentication token.
90.It Dv PAM_OLDAUTHTOK_PROMPT
91The prompt to use when asking the applicant for an
92expired authentication token prior to changing it.
93.El
94.Pp
95See
96.Xr pam_start 3
97for a description of
98.Vt struct pam_conv .
99.Pp
100.Sh RETURN VALUES
101The
102.Nm
103function returns one of the following values:
104.Bl -tag -width 18n
105.It Bq Er PAM_SYMBOL_ERR
106Invalid symbol.
107.It Bq Er PAM_SYSTEM_ERR
108System error.
109.El
110.Sh SEE ALSO
111.Xr pam 3 ,
112.Xr pam_set_item 3 ,
113.Xr pam_start 3 ,
114.Xr pam_strerror 3
115.Sh STANDARDS
116.Rs
117.%T "X/Open Single Sign-On Service (XSSO) - Pluggable Authentication Modules"
118.%D "June 1997"
119.Re
120.Sh AUTHORS
121The
122.Nm
123function and this manual page were developed for the
124.Fx
125Project by ThinkSec AS and Network Associates Laboratories, the
126Security Research Division of Network Associates, Inc.\& under
127DARPA/SPAWAR contract N66001-01-C-8035
128.Pq Dq CBOSS ,
129as part of the DARPA CHATS research program.
130