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
36 #ifdef HAVE_CONFIG_H
37 # include "config.h"
38 #endif
39
40 #include <string.h>
41
42 #include <security/pam_appl.h>
43
44 #include "openpam_impl.h"
45
46 /*
47 * XSSO 4.2.1
48 * XSSO 6 page 43
49 *
50 * Get module information
51 */
52
53 int
pam_get_data(const pam_handle_t * pamh,const char * module_data_name,const void ** data)54 pam_get_data(const pam_handle_t *pamh,
55 const char *module_data_name,
56 const void **data)
57 {
58 pam_data_t *dp;
59
60 ENTERS(module_data_name);
61 for (dp = pamh->module_data; dp != NULL; dp = dp->next) {
62 if (strcmp(dp->name, module_data_name) == 0) {
63 *data = (void *)dp->data;
64 RETURNC(PAM_SUCCESS);
65 }
66 }
67 RETURNC(PAM_NO_MODULE_DATA);
68 }
69
70 /*
71 * Error codes:
72 *
73 * PAM_NO_MODULE_DATA
74 */
75
76 /**
77 * The =pam_get_data function looks up the opaque object associated with
78 * the string specified by the =module_data_name argument, in the PAM
79 * context specified by the =pamh argument.
80 * A pointer to the object is stored in the location pointed to by the
81 * =data argument.
82 * If =pam_get_data fails, the =data argument is untouched.
83 *
84 * This function and its counterpart =pam_set_data are useful for managing
85 * data that are meaningful only to a particular service module.
86 */
87