1 /* 2 * Copyright (c) 2007 Apple Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 /*- 29 * Copyright (c) 1999-2002 Robert N. M. Watson 30 * Copyright (c) 2001-2005 Networks Associates Technology, Inc. 31 * Copyright (c) 2005-2006 SPARTA, Inc. 32 * All rights reserved. 33 * 34 * This software was developed by Robert Watson for the TrustedBSD Project. 35 * 36 * This software was developed for the FreeBSD Project in part by Network 37 * Associates Laboratories, the Security Research Division of Network 38 * Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), 39 * as part of the DARPA CHATS research program. 40 * 41 * This software was enhanced by SPARTA ISSO under SPAWAR contract 42 * N66001-04-C-6019 ("SEFOS"). 43 * 44 * Redistribution and use in source and binary forms, with or without 45 * modification, are permitted provided that the following conditions 46 * are met: 47 * 1. Redistributions of source code must retain the above copyright 48 * notice, this list of conditions and the following disclaimer. 49 * 2. Redistributions in binary form must reproduce the above copyright 50 * notice, this list of conditions and the following disclaimer in the 51 * documentation and/or other materials provided with the distribution. 52 * 53 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 54 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 55 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 56 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 57 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 58 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 59 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 60 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 61 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 62 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 63 * SUCH DAMAGE. 64 * 65 * $FreeBSD: src/sys/sys/mac.h,v 1.40 2003/04/18 19:57:37 rwatson Exp $ 66 */ 67 /* 68 * Userland interface for Mandatory Access Control. 69 * 70 * The POSIX.1e implementation page may be reached at: 71 * http://www.trustedbsd.org/ 72 */ 73 74 #ifndef _SECURITY_MAC_H_ 75 #define _SECURITY_MAC_H_ 76 77 #ifndef _POSIX_MAC 78 #define _POSIX_MAC 79 #endif 80 81 #include <sys/types.h> 82 83 /* 84 * MAC framework-related constants and limits. 85 */ 86 #define MAC_MAX_POLICY_NAME 32 87 #define MAC_MAX_LABEL_ELEMENT_NAME 32 88 #define MAC_MAX_LABEL_ELEMENT_DATA 4096 89 #define MAC_MAX_LABEL_BUF_LEN 8192 90 #define MAC_MAX_MANAGED_NAMESPACES 4 91 92 struct mac { 93 size_t m_buflen; 94 char *m_string; 95 }; 96 97 typedef struct mac *mac_t; 98 99 #ifdef KERNEL 100 101 #ifndef PRIVATE 102 #warning "MAC policy is not KPI, see Technical Q&A QA1574" 103 #endif 104 105 #if DEBUG 106 #define SECURITY_MAC_CTLFLAGS (CTLFLAG_RW | CTLFLAG_LOCKED) 107 #define SECURITY_MAC_CHECK_ENFORCE 1 108 #else 109 #define SECURITY_MAC_CTLFLAGS (CTLFLAG_RD | CTLFLAG_LOCKED) 110 #define SECURITY_MAC_CHECK_ENFORCE 0 111 #endif 112 113 struct user_mac { 114 user_size_t m_buflen; 115 user_addr_t m_string; 116 }; 117 118 struct user32_mac { 119 uint32_t m_buflen; 120 uint32_t m_string; 121 }; 122 123 struct user64_mac { 124 uint64_t m_buflen; 125 uint64_t m_string; 126 }; 127 #endif /* KERNEL */ 128 129 /* 130 * Flags for mac_proc_check_suspend_resume() 131 */ 132 #define MAC_PROC_CHECK_SUSPEND 0 133 #define MAC_PROC_CHECK_RESUME 1 134 #define MAC_PROC_CHECK_HIBERNATE 2 135 #define MAC_PROC_CHECK_SHUTDOWN_SOCKETS 3 136 #define MAC_PROC_CHECK_PIDBIND 4 137 138 #ifndef KERNEL 139 /* 140 * Location of the userland MAC framework configuration file. mac.conf 141 * binds policy names to shared libraries that understand those policies, 142 * as well as setting defaults for MAC-aware applications. 143 */ 144 #define MAC_CONFFILE "/etc/mac.conf" 145 146 /* 147 * Extended non-POSIX.1e interfaces that offer additional services 148 * available from the userland and kernel MAC frameworks. 149 */ 150 #ifdef __APPLE_API_PRIVATE 151 __BEGIN_DECLS 152 int __mac_execve(char *fname, char **argv, char **envv, mac_t _label); 153 int __mac_get_fd(int _fd, mac_t _label); 154 int __mac_get_file(const char *_path, mac_t _label); 155 int __mac_get_link(const char *_path, mac_t _label); 156 int __mac_get_pid(pid_t _pid, mac_t _label); 157 int __mac_get_proc(mac_t _label); 158 int __mac_set_fd(int _fildes, const mac_t _label); 159 int __mac_set_file(const char *_path, mac_t _label); 160 int __mac_set_link(const char *_path, mac_t _label); 161 int __mac_mount(const char *type, const char *path, int flags, void *data, 162 struct mac *label); 163 int __mac_get_mount(const char *path, struct mac *label); 164 int __mac_set_proc(const mac_t _label); 165 int __mac_syscall(const char *_policyname, int _call, void *_arg); 166 __END_DECLS 167 #endif /*__APPLE_API_PRIVATE*/ 168 169 #endif 170 171 #endif /* !_SECURITY_MAC_H_ */ 172