source: openpam/trunk/lib/libpam/pam_set_data.c @ 935

Last change on this file since 935 was 935, checked in by Dag-Erling Smørgrav, 4 years ago

Bump copyright year.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 3.3 KB
Line 
1/*-
2 * Copyright (c) 2002-2003 Networks Associates Technology, Inc.
3 * Copyright (c) 2004-2017 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 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 * 3. The name of the author may not be used to endorse or promote
20 *    products derived from this software without specific prior written
21 *    permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 * $Id: pam_set_data.c 935 2017-04-26 21:04:10Z des $
36 */
37
38#ifdef HAVE_CONFIG_H
39# include "config.h"
40#endif
41
42#include <stdlib.h>
43#include <string.h>
44
45#include <security/pam_appl.h>
46
47#include "openpam_impl.h"
48
49/*
50 * XSSO 4.2.1
51 * XSSO 6 page 59
52 *
53 * Set module information
54 */
55
56int
57pam_set_data(pam_handle_t *pamh,
58        const char *module_data_name,
59        void *data,
60        void (*cleanup)(pam_handle_t *pamh,
61                void *data,
62                int pam_end_status))
63{
64        pam_data_t *dp;
65
66        ENTERS(module_data_name);
67        for (dp = pamh->module_data; dp != NULL; dp = dp->next) {
68                if (strcmp(dp->name, module_data_name) == 0) {
69                        if (dp->cleanup)
70                                (dp->cleanup)(pamh, dp->data, PAM_SUCCESS);
71                        dp->data = data;
72                        dp->cleanup = cleanup;
73                        RETURNC(PAM_SUCCESS);
74                }
75        }
76        if ((dp = malloc(sizeof *dp)) == NULL)
77                RETURNC(PAM_BUF_ERR);
78        if ((dp->name = strdup(module_data_name)) == NULL) {
79                FREE(dp);
80                RETURNC(PAM_BUF_ERR);
81        }
82        dp->data = data;
83        dp->cleanup = cleanup;
84        dp->next = pamh->module_data;
85        pamh->module_data = dp;
86        RETURNC(PAM_SUCCESS);
87}
88
89/*
90 * Error codes:
91 *
92 *      PAM_SYSTEM_ERR
93 *      PAM_BUF_ERR
94 */
95
96/**
97 * The =pam_set_data function associates a pointer to an opaque object
98 * with an arbitrary string specified by the =module_data_name argument,
99 * in the PAM context specified by the =pamh argument.
100 *
101 * If not =NULL, the =cleanup argument should point to a function
102 * responsible for releasing the resources associated with the object.
103 *
104 * This function and its counterpart =pam_get_data are useful for managing
105 * data that are meaningful only to a particular service module.
106 */
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