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 * 35255376Sdes * $Id: pam_set_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 <stdlib.h> 4391094Sdes#include <string.h> 4491094Sdes 4591094Sdes#include <security/pam_appl.h> 4691094Sdes 4791094Sdes#include "openpam_impl.h" 4891094Sdes 4991094Sdes/* 5091094Sdes * XSSO 4.2.1 5191094Sdes * XSSO 6 page 59 5291094Sdes * 5391094Sdes * Set module information 5491094Sdes */ 5591094Sdes 5691094Sdesint 5791094Sdespam_set_data(pam_handle_t *pamh, 5891094Sdes const char *module_data_name, 5991094Sdes void *data, 6091094Sdes void (*cleanup)(pam_handle_t *pamh, 6191094Sdes void *data, 6291094Sdes int pam_end_status)) 6391094Sdes{ 6491094Sdes pam_data_t *dp; 6591094Sdes 66110503Sdes ENTERS(module_data_name); 6791094Sdes if (pamh == NULL) 68107937Sdes RETURNC(PAM_SYSTEM_ERR); 6991094Sdes for (dp = pamh->module_data; dp != NULL; dp = dp->next) { 7091094Sdes if (strcmp(dp->name, module_data_name) == 0) { 7191094Sdes if (dp->cleanup) 7291094Sdes (dp->cleanup)(pamh, dp->data, PAM_SUCCESS); 7391094Sdes dp->data = data; 7491094Sdes dp->cleanup = cleanup; 75107937Sdes RETURNC(PAM_SUCCESS); 7691094Sdes } 7791094Sdes } 7891094Sdes if ((dp = malloc(sizeof *dp)) == NULL) 79107937Sdes RETURNC(PAM_BUF_ERR); 8091094Sdes if ((dp->name = strdup(module_data_name)) == NULL) { 81115619Sdes FREE(dp); 82107937Sdes RETURNC(PAM_BUF_ERR); 8391094Sdes } 8493526Sdes dp->data = data; 8593526Sdes dp->cleanup = cleanup; 8691094Sdes dp->next = pamh->module_data; 8793526Sdes pamh->module_data = dp; 88107937Sdes RETURNC(PAM_SUCCESS); 8991094Sdes} 9091100Sdes 9191100Sdes/* 9291100Sdes * Error codes: 9391100Sdes * 9491100Sdes * PAM_SYSTEM_ERR 9591100Sdes * PAM_BUF_ERR 9691100Sdes */ 9791100Sdes 9891100Sdes/** 9991100Sdes * The =pam_set_data function associates a pointer to an opaque object 10091100Sdes * with an arbitrary string specified by the =module_data_name argument, 10191100Sdes * in the PAM context specified by the =pamh argument. 10291100Sdes * 10391100Sdes * If not =NULL, the =cleanup argument should point to a function 10491100Sdes * responsible for releasing the resources associated with the object. 10591100Sdes * 10691100Sdes * This function and its counterpart =pam_get_data are useful for managing 10791100Sdes * data that are meaningful only to a particular service module. 10891100Sdes */ 109