1 /* $NetBSD: openpam_get_feature.c,v 1.4 2023/06/30 21:46:20 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 2012-2017 Dag-Erling Smørgrav 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote 16 * products derived from this software without specific prior written 17 * permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #ifdef HAVE_CONFIG_H 33 # include "config.h" 34 #endif 35 36 #include <sys/cdefs.h> 37 __RCSID("$NetBSD: openpam_get_feature.c,v 1.4 2023/06/30 21:46:20 christos Exp $"); 38 39 #include <security/pam_appl.h> 40 #include <security/openpam.h> 41 42 #include "openpam_impl.h" 43 44 /* 45 * OpenPAM extension 46 * 47 * Query the state of an optional feature. 48 */ 49 50 int 51 openpam_get_feature(int feature, int *onoff) 52 { 53 54 ENTERF(feature); 55 if (feature < 0 || feature >= OPENPAM_NUM_FEATURES) 56 RETURNC(PAM_BAD_FEATURE); 57 *onoff = openpam_features[feature].onoff; 58 RETURNC(PAM_SUCCESS); 59 } 60 61 /* 62 * Error codes: 63 * 64 * PAM_BAD_FEATURE 65 */ 66 67 /** 68 * EXPERIMENTAL 69 * 70 * The =openpam_get_feature function stores the current state of the 71 * specified feature in the variable pointed to by its =onoff argument. 72 * 73 * The following features are recognized: 74 * 75 * =OPENPAM_RESTRICT_SERVICE_NAME: 76 * Disallow path separators in service names. 77 * This feature is enabled by default. 78 * Disabling it allows the application to specify the path to 79 * the desired policy file directly. 80 * 81 * =OPENPAM_VERIFY_POLICY_FILE: 82 * Verify the ownership and permissions of the policy file 83 * and the path leading up to it. 84 * This feature is enabled by default. 85 * 86 * =OPENPAM_RESTRICT_MODULE_NAME: 87 * Disallow path separators in module names. 88 * This feature is disabled by default. 89 * Enabling it prevents the use of modules in non-standard 90 * locations. 91 * 92 * =OPENPAM_VERIFY_MODULE_FILE: 93 * Verify the ownership and permissions of each loadable 94 * module and the path leading up to it. 95 * This feature is enabled by default. 96 * 97 * 98 * >openpam_set_feature 99 * 100 * AUTHOR DES 101 */ 102