source: openpam/trunk/lib/pam_get_data.c @ 200

Last change on this file since 200 was 200, checked in by Dag-Erling Smørgrav, 18 years ago

More debugging macros: ENTERI() (item type), ENTERN() (int),
ENTERS() (string). Rename RETURNI() to RETURNN() for consistency.

File size: 2.8 KB
RevLine 
[1]1/*-
[93]2 * Copyright (c) 2002 Networks Associates Technology, Inc.
[1]3 * All rights reserved.
4 *
5 * This software was developed for the FreeBSD Project by ThinkSec AS and
[157]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.
[1]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 *
[200]34 * $P4: //depot/projects/openpam/lib/pam_get_data.c#10 $
[1]35 */
36
37#include <string.h>
38
39#include <security/pam_appl.h>
40
[10]41#include "openpam_impl.h"
[1]42
43/*
44 * XSSO 4.2.1
45 * XSSO 6 page 43
46 *
47 * Get module information
48 */
49
50int
51pam_get_data(pam_handle_t *pamh,
52        const char *module_data_name,
[54]53        const void **data)
[1]54{
55        pam_data_t *dp;
[16]56
[200]57        ENTERS(module_data_name);
[1]58        if (pamh == NULL)
[187]59                RETURNC(PAM_SYSTEM_ERR);
[1]60        for (dp = pamh->module_data; dp != NULL; dp = dp->next)
61                if (strcmp(dp->name, module_data_name) == 0) {
62                        *data = dp->data;
[187]63                        RETURNC(PAM_SUCCESS);
[1]64                }
[187]65        RETURNC(PAM_NO_MODULE_DATA);
[1]66}
[63]67
68/*
69 * Error codes:
70 *
71 *      PAM_SYSTEM_ERR
72 *      PAM_NO_MODULE_DATA
73 */
74
75/**
76 * The =pam_get_data function looks up the opaque object associated with
77 * the string specified by the =module_data_name argument, in the PAM
78 * context specified by the =pamh argument.
79 * A pointer to the object is stored in the location pointed to by the
80 * =data argument.
81 *
82 * This function and its counterpart =pam_set_data are useful for managing
83 * data that are meaningful only to a particular service module.
84 */
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