1/*-
2 * Copyright (c) 2002-2003 Networks Associates Technology, Inc.
3 * Copyright (c) 2004-2007 Dag-Erling Sm��rgrav
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 408 2007-12-21 11:36:24Z des $
36 */
37
38#include <stdlib.h>
39#include <string.h>
40
41#include <security/pam_appl.h>
42
43#include "openpam_impl.h"
44
45/*
46 * XSSO 4.2.1
47 * XSSO 6 page 59
48 *
49 * Set module information
50 */
51
52int
53pam_set_data(pam_handle_t *pamh,
54 const char *module_data_name,
55 void *data,
56 void (*cleanup)(pam_handle_t *pamh,
57 void *data,
58 int pam_end_status))
59{
60 pam_data_t *dp;
61
62 ENTERS(module_data_name);
63 if (pamh == NULL)
64 RETURNC(PAM_SYSTEM_ERR);
65 for (dp = pamh->module_data; dp != NULL; dp = dp->next) {
66 if (strcmp(dp->name, module_data_name) == 0) {
67 if (dp->cleanup)
68 (dp->cleanup)(pamh, dp->data, PAM_SUCCESS);
69 dp->data = data;
70 dp->cleanup = cleanup;
71 RETURNC(PAM_SUCCESS);
72 }
73 }
74 if ((dp = malloc(sizeof *dp)) == NULL)
75 RETURNC(PAM_BUF_ERR);
76 if ((dp->name = strdup(module_data_name)) == NULL) {
77 FREE(dp);
78 RETURNC(PAM_BUF_ERR);
79 }
80 dp->data = data;
81 dp->cleanup = cleanup;
82 dp->next = pamh->module_data;
83 pamh->module_data = dp;
84 RETURNC(PAM_SUCCESS);
85}
86
87/*
88 * Error codes:
89 *
90 * PAM_SYSTEM_ERR
91 * PAM_BUF_ERR
92 */
93
94/**
95 * The =pam_set_data function associates a pointer to an opaque object
96 * with an arbitrary string specified by the =module_data_name argument,
97 * in the PAM context specified by the =pamh argument.
98 *
99 * If not =NULL, the =cleanup argument should point to a function
100 * responsible for releasing the resources associated with the object.
101 *
102 * This function and its counterpart =pam_get_data are useful for managing
103 * data that are meaningful only to a particular service module.
104 */