source: openpam/trunk/lib/pam_get_item.c @ 187

Last change on this file since 187 was 187, checked in by des, 12 years ago

Instrument entry and exit points.

File size: 3.7 KB
Line 
1/*-
2 * Copyright (c) 2002 Networks Associates Technology, Inc.
3 * All rights reserved.
4 *
5 * This software was developed for the FreeBSD Project by ThinkSec AS and
6 * Network Associates Laboratories, the Security Research Division of
7 * Network Associates, Inc.  under DARPA/SPAWAR contract N66001-01-C-8035
8 * ("CBOSS"), as part of the DARPA CHATS research program.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 * 3. The name of the author may not be used to endorse or promote
19 *    products derived from this software without specific prior written
20 *    permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 * $P4: //depot/projects/openpam/lib/pam_get_item.c#14 $
35 */
36
37#include <sys/param.h>
38
39#include <security/pam_appl.h>
40
41#include "openpam_impl.h"
42
43/*
44 * XSSO 4.2.1
45 * XSSO 6 page 46
46 *
47 * Get PAM information
48 */
49
50int
51pam_get_item(pam_handle_t *pamh,
52        int item_type,
53        const void **item)
54{
55
56        ENTER();
57        if (pamh == NULL)
58                RETURNC(PAM_SYSTEM_ERR);
59        switch (item_type) {
60        case PAM_SERVICE:
61        case PAM_USER:
62        case PAM_AUTHTOK:
63        case PAM_OLDAUTHTOK:
64        case PAM_TTY:
65        case PAM_RHOST:
66        case PAM_RUSER:
67        case PAM_CONV:
68        case PAM_USER_PROMPT:
69        case PAM_AUTHTOK_PROMPT:
70        case PAM_OLDAUTHTOK_PROMPT:
71        case PAM_REPOSITORY:
72                *item = pamh->item[item_type];
73                RETURNC(PAM_SUCCESS);
74        default:
75                RETURNC(PAM_SYMBOL_ERR);
76        }
77}
78
79/*
80 * Error codes:
81 *
82 *      PAM_SYMBOL_ERR
83 *      PAM_SYSTEM_ERR
84 */
85
86/**
87 * The =pam_get_item function stores a pointer to the item specified by
88 * the =item_type argument in the location specified by the =item
89 * argument.
90 * The item is retrieved from the PAM context specified by the =pamh
91 * argument.
92 * The following item types are recognized:
93 *
94 *      =PAM_SERVICE:
95 *              The name of the requesting service.
96 *      =PAM_USER:
97 *              The name of the user the application is trying to
98 *              authenticate.
99 *      =PAM_TTY:
100 *              The name of the current terminal.
101 *      =PAM_RHOST:
102 *              The name of the applicant's host.
103 *      =PAM_CONV:
104 *              A =struct pam_conv describing the current conversation
105 *              function.
106 *      =PAM_AUTHTOK:
107 *              The current authentication token.
108 *      =PAM_OLDAUTHTOK:
109 *              The expired authentication token.
110 *      =PAM_RUSER:
111 *              The name of the applicant.
112 *      =PAM_USER_PROMPT:
113 *              The prompt to use when asking the applicant for a user
114 *              name to authenticate as.
115 *      =PAM_AUTHTOK_PROMPT:
116 *              The prompt to use when asking the applicant for an
117 *              authentication token.
118 *      =PAM_OLDAUTHTOK_PROMPT:
119 *              The prompt to use when asking the applicant for an
120 *              expired authentication token prior to changing it.
121 *
122 * See =pam_start for a description of =struct pam_conv.
123 *
124 * >pam_set_item
125 */
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