191100Sdes/*- 2115619Sdes * Copyright (c) 2002-2003 Networks Associates Technology, Inc. 3228690Sdes * Copyright (c) 2004-2011 Dag-Erling Sm��rgrav 491100Sdes * All rights reserved. 591100Sdes * 691100Sdes * 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. 1091100Sdes * 1191100Sdes * Redistribution and use in source and binary forms, with or without 1291100Sdes * modification, are permitted provided that the following conditions 1391100Sdes * are met: 1491100Sdes * 1. Redistributions of source code must retain the above copyright 1591100Sdes * notice, this list of conditions and the following disclaimer. 1691100Sdes * 2. Redistributions in binary form must reproduce the above copyright 1791100Sdes * notice, this list of conditions and the following disclaimer in the 1891100Sdes * documentation and/or other materials provided with the distribution. 1991100Sdes * 3. The name of the author may not be used to endorse or promote 2091100Sdes * products derived from this software without specific prior written 2191100Sdes * permission. 2291100Sdes * 2391100Sdes * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 2491100Sdes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2591100Sdes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2691100Sdes * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 2791100Sdes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2891100Sdes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2991100Sdes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 3091100Sdes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 3191100Sdes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3291100Sdes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3391100Sdes * SUCH DAMAGE. 3491100Sdes * 35255376Sdes * $Id: openpam_get_option.c 648 2013-03-05 17:54:27Z des $ 3691100Sdes */ 3791100Sdes 38228690Sdes#ifdef HAVE_CONFIG_H 39228690Sdes# include "config.h" 40228690Sdes#endif 41228690Sdes 4291100Sdes#include <sys/param.h> 4391100Sdes 4491100Sdes#include <string.h> 4591100Sdes 4691100Sdes#include <security/pam_appl.h> 4791100Sdes 4891100Sdes#include "openpam_impl.h" 4991100Sdes 5091100Sdes/* 5191100Sdes * OpenPAM extension 5291100Sdes * 5391100Sdes * Returns the value of a module option 5491100Sdes */ 5591100Sdes 5691100Sdesconst char * 5791100Sdesopenpam_get_option(pam_handle_t *pamh, 5891100Sdes const char *option) 5991100Sdes{ 6091100Sdes pam_chain_t *cur; 6191100Sdes size_t len; 6291100Sdes int i; 6391100Sdes 64110503Sdes ENTERS(option); 6591100Sdes if (pamh == NULL || pamh->current == NULL || option == NULL) 66107937Sdes RETURNS(NULL); 6791100Sdes cur = pamh->current; 6891100Sdes len = strlen(option); 6991100Sdes for (i = 0; i < cur->optc; ++i) { 7091100Sdes if (strncmp(cur->optv[i], option, len) == 0) { 7191100Sdes if (cur->optv[i][len] == '\0') 72107937Sdes RETURNS(&cur->optv[i][len]); 7391100Sdes else if (cur->optv[i][len] == '=') 74107937Sdes RETURNS(&cur->optv[i][len + 1]); 7591100Sdes } 7691100Sdes } 77107937Sdes RETURNS(NULL); 7891100Sdes} 7991100Sdes 8091100Sdes/** 8191100Sdes * The =openpam_get_option function returns the value of the specified 8291100Sdes * option in the context of the currently executing service module, or 8391100Sdes * =NULL if the option is not set or no module is currently executing. 84115619Sdes * 85115619Sdes * >openpam_set_option 8691100Sdes */ 87