191094Sdes/*- 2115619Sdes * Copyright (c) 2002-2003 Networks Associates Technology, Inc. 3228690Sdes * Copyright (c) 2004-2011 Dag-Erling Sm��rgrav 491094Sdes * All rights reserved. 591094Sdes * 691094Sdes * This software was developed for the FreeBSD Project by ThinkSec AS and 799158Sdes * Network Associates Laboratories, the Security Research Division of 899158Sdes * Network Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 999158Sdes * ("CBOSS"), as part of the DARPA CHATS research program. 1091094Sdes * 1191094Sdes * Redistribution and use in source and binary forms, with or without 1291094Sdes * modification, are permitted provided that the following conditions 1391094Sdes * are met: 1491094Sdes * 1. Redistributions of source code must retain the above copyright 1591094Sdes * notice, this list of conditions and the following disclaimer. 1691094Sdes * 2. Redistributions in binary form must reproduce the above copyright 1791094Sdes * notice, this list of conditions and the following disclaimer in the 1891094Sdes * documentation and/or other materials provided with the distribution. 1991094Sdes * 3. The name of the author may not be used to endorse or promote 2091094Sdes * products derived from this software without specific prior written 2191094Sdes * permission. 2291094Sdes * 2391094Sdes * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 2491094Sdes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2591094Sdes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2691094Sdes * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 2791094Sdes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2891094Sdes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2991094Sdes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 3091094Sdes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 3191094Sdes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3291094Sdes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3391094Sdes * SUCH DAMAGE. 3491094Sdes * 35263421Sdes * $Id: pam_get_data.c 648 2013-03-05 17:54:27Z des $ 3691094Sdes */ 3791094Sdes 38228690Sdes#ifdef HAVE_CONFIG_H 39228690Sdes# include "config.h" 40228690Sdes#endif 41228690Sdes 4291094Sdes#include <string.h> 4391094Sdes 4491094Sdes#include <security/pam_appl.h> 4591094Sdes 4691094Sdes#include "openpam_impl.h" 4791094Sdes 4891094Sdes/* 4991094Sdes * XSSO 4.2.1 5091094Sdes * XSSO 6 page 43 5191094Sdes * 5291094Sdes * Get module information 5391094Sdes */ 5491094Sdes 5591094Sdesint 56174832Sdespam_get_data(const pam_handle_t *pamh, 5791094Sdes const char *module_data_name, 58174832Sdes const void **data) 5991094Sdes{ 6091094Sdes pam_data_t *dp; 6191094Sdes 62110503Sdes ENTERS(module_data_name); 6391094Sdes if (pamh == NULL) 64107937Sdes RETURNC(PAM_SYSTEM_ERR); 65125647Sdes for (dp = pamh->module_data; dp != NULL; dp = dp->next) { 6691094Sdes if (strcmp(dp->name, module_data_name) == 0) { 67141098Sdes *data = (void *)dp->data; 68107937Sdes RETURNC(PAM_SUCCESS); 6991094Sdes } 70125647Sdes } 71107937Sdes RETURNC(PAM_NO_MODULE_DATA); 7291094Sdes} 7391100Sdes 7491100Sdes/* 7591100Sdes * Error codes: 7691100Sdes * 7791100Sdes * PAM_SYSTEM_ERR 7891100Sdes * PAM_NO_MODULE_DATA 7991100Sdes */ 8091100Sdes 8191100Sdes/** 8291100Sdes * The =pam_get_data function looks up the opaque object associated with 8391100Sdes * the string specified by the =module_data_name argument, in the PAM 8491100Sdes * context specified by the =pamh argument. 8591100Sdes * A pointer to the object is stored in the location pointed to by the 8691100Sdes * =data argument. 87228690Sdes * If =pam_get_data fails, the =data argument is untouched. 8891100Sdes * 8991100Sdes * This function and its counterpart =pam_set_data are useful for managing 9091100Sdes * data that are meaningful only to a particular service module. 9191100Sdes */ 92