1/*- 2 * Copyright (c) 2002-2003 Networks Associates Technology, Inc. 3 * Copyright (c) 2004-2011 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_get_data.c 648 2013-03-05 17:54:27Z des $ 36 */ 37 38#ifdef HAVE_CONFIG_H 39# include "config.h" 40#endif 41 42#include <string.h> 43 44#include <security/pam_appl.h> 45 46#include "openpam_impl.h" 47 48/* 49 * XSSO 4.2.1 50 * XSSO 6 page 43 51 * 52 * Get module information 53 */ 54 55int 56pam_get_data(const pam_handle_t *pamh, 57 const char *module_data_name, 58 const void **data) 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 *data = (void *)dp->data; 68 RETURNC(PAM_SUCCESS); 69 } 70 } 71 RETURNC(PAM_NO_MODULE_DATA); 72} 73 74/* 75 * Error codes: 76 * 77 * PAM_SYSTEM_ERR 78 * PAM_NO_MODULE_DATA 79 */ 80 81/** 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 86 * =data argument. 87 * If =pam_get_data fails, the =data argument is untouched. 88 * 89 * This function and its counterpart =pam_set_data are useful for managing 90 * data that are meaningful only to a particular service module. 91 */ 92