2 * Copyright (c) 2002-2003 Networks Associates Technology, Inc.
3 * Copyright (c) 2004-2011 Dag-Erling Smørgrav
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.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
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
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
35 * $Id: pam_get_data.c 648 2013-03-05 17:54:27Z des $
44 #include <security/pam_appl.h>
46 #include "openpam_impl.h"
52 * Get module information
56 pam_get_data(const pam_handle_t *pamh,
57 const char *module_data_name,
62 ENTERS(module_data_name);
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 *data = (void *)dp->data;
71 RETURNC(PAM_NO_MODULE_DATA);
82 * The =pam_get_data function looks up the opaque object associated with
83 * the string specified by the =module_data_name argument, in the PAM
84 * context specified by the =pamh argument.
85 * A pointer to the object is stored in the location pointed to by the
87 * If =pam_get_data fails, the =data argument is untouched.
89 * This function and its counterpart =pam_set_data are useful for managing
90 * data that are meaningful only to a particular service module.