source: openpam/trunk/lib/pam_get_item.c @ 317

Last change on this file since 317 was 245, checked in by Dag-Erling Smørgrav, 16 years ago

Give up trying to keep track of what has changed and what hasn't;
just slap a 2003 copyright on everything.

File size: 4.0 KB
Line 
1/*-
2 * Copyright (c) 2002-2003 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#17 $
35 */
36
37#include <sys/param.h>
38
39#include <security/pam_appl.h>
40
41#include "openpam_impl.h"
42
43const char *_pam_item_name[PAM_NUM_ITEMS] = {
44        "(NO ITEM)",
45        "PAM_SERVICE",
46        "PAM_USER",
47        "PAM_TTY",
48        "PAM_RHOST",
49        "PAM_CONV",
50        "PAM_AUTHTOK",
51        "PAM_OLDAUTHTOK",
52        "PAM_RUSER",
53        "PAM_USER_PROMPT",
54        "PAM_REPOSITORY",
55        "PAM_AUTHTOK_PROMPT",
56        "PAM_OLDAUTHTOK_PROMPT"
57};
58
59/*
60 * XSSO 4.2.1
61 * XSSO 6 page 46
62 *
63 * Get PAM information
64 */
65
66int
67pam_get_item(pam_handle_t *pamh,
68        int item_type,
69        const void **item)
70{
71
72        ENTERI(item_type);
73        if (pamh == NULL)
74                RETURNC(PAM_SYSTEM_ERR);
75        switch (item_type) {
76        case PAM_SERVICE:
77        case PAM_USER:
78        case PAM_AUTHTOK:
79        case PAM_OLDAUTHTOK:
80        case PAM_TTY:
81        case PAM_RHOST:
82        case PAM_RUSER:
83        case PAM_CONV:
84        case PAM_USER_PROMPT:
85        case PAM_AUTHTOK_PROMPT:
86        case PAM_OLDAUTHTOK_PROMPT:
87        case PAM_REPOSITORY:
88                *item = pamh->item[item_type];
89                RETURNC(PAM_SUCCESS);
90        default:
91                RETURNC(PAM_SYMBOL_ERR);
92        }
93}
94
95/*
96 * Error codes:
97 *
98 *      PAM_SYMBOL_ERR
99 *      PAM_SYSTEM_ERR
100 */
101
102/**
103 * The =pam_get_item function stores a pointer to the item specified by
104 * the =item_type argument in the location specified by the =item
105 * argument.
106 * The item is retrieved from the PAM context specified by the =pamh
107 * argument.
108 * The following item types are recognized:
109 *
110 *      =PAM_SERVICE:
111 *              The name of the requesting service.
112 *      =PAM_USER:
113 *              The name of the user the application is trying to
114 *              authenticate.
115 *      =PAM_TTY:
116 *              The name of the current terminal.
117 *      =PAM_RHOST:
118 *              The name of the applicant's host.
119 *      =PAM_CONV:
120 *              A =struct pam_conv describing the current conversation
121 *              function.
122 *      =PAM_AUTHTOK:
123 *              The current authentication token.
124 *      =PAM_OLDAUTHTOK:
125 *              The expired authentication token.
126 *      =PAM_RUSER:
127 *              The name of the applicant.
128 *      =PAM_USER_PROMPT:
129 *              The prompt to use when asking the applicant for a user
130 *              name to authenticate as.
131 *      =PAM_AUTHTOK_PROMPT:
132 *              The prompt to use when asking the applicant for an
133 *              authentication token.
134 *      =PAM_OLDAUTHTOK_PROMPT:
135 *              The prompt to use when asking the applicant for an
136 *              expired authentication token prior to changing it.
137 *
138 * See =pam_start for a description of =struct pam_conv.
139 *
140 * >pam_set_item
141 */
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