1/*- 2 * Copyright (c) 1999-2002 Robert N. M. Watson 3 * Copyright (c) 2001-2005 Networks Associates Technology, Inc. 4 * Copyright (c) 2005-2006 SPARTA, Inc. 5 * All rights reserved. 6 * 7 * This software was developed by Robert Watson for the TrustedBSD Project. 8 * 9 * This software was developed for the FreeBSD Project in part by Network 10 * Associates Laboratories, the Security Research Division of Network 11 * Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), 12 * as part of the DARPA CHATS research program. 13 * 14 * This software was enhanced by SPARTA ISSO under SPAWAR contract 15 * N66001-04-C-6019 ("SEFOS"). 16 * 17 * Redistribution and use in source and binary forms, with or without 18 * modification, are permitted provided that the following conditions 19 * are met: 20 * 1. Redistributions of source code must retain the above copyright 21 * notice, this list of conditions and the following disclaimer. 22 * 2. Redistributions in binary form must reproduce the above copyright 23 * notice, this list of conditions and the following disclaimer in the 24 * documentation and/or other materials provided with the distribution. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * $FreeBSD$ 39 */ 40/* 41 * Userland interface for Mandatory Access Control. Loosely based on the 42 * POSIX.1e API. More information may be found at: 43 * 44 * http://www.TrustedBSD.org/ 45 */ 46 47#ifndef _SYS_MAC_H_ 48#define _SYS_MAC_H_ 49 50#ifndef _POSIX_MAC 51#define _POSIX_MAC 52#endif 53 54/* 55 * MAC framework-related constants and limits. 56 */ 57#define MAC_MAX_POLICY_NAME 32 58#define MAC_MAX_LABEL_ELEMENT_NAME 32 59#define MAC_MAX_LABEL_ELEMENT_DATA 4096 60#define MAC_MAX_LABEL_BUF_LEN 8192 61 62/* 63 * struct mac is the data structure used to carry MAC labels in system calls 64 * and ioctls between userspace and the kernel. 65 */ 66struct mac { 67 size_t m_buflen; 68 char *m_string; 69}; 70 71typedef struct mac *mac_t; 72 73#ifndef _KERNEL 74 75/* 76 * Location of the userland MAC framework configuration file. mac.conf 77 * set defaults for MAC-aware applications. 78 */ 79#define MAC_CONFFILE "/etc/mac.conf" 80 81/* 82 * Extended non-POSIX.1e interfaces that offer additional services available 83 * from the userland and kernel MAC frameworks. 84 */ 85__BEGIN_DECLS 86int mac_execve(char *fname, char **argv, char **envv, mac_t _label); 87int mac_free(mac_t _label); 88int mac_from_text(mac_t *_label, const char *_text); 89int mac_get_fd(int _fd, mac_t _label); 90int mac_get_file(const char *_path, mac_t _label); 91int mac_get_link(const char *_path, mac_t _label); 92int mac_get_peer(int _fd, mac_t _label); 93int mac_get_pid(pid_t _pid, mac_t _label); 94int mac_get_proc(mac_t _label); 95int mac_is_present(const char *_policyname); 96int mac_prepare(mac_t *_label, const char *_elements); 97int mac_prepare_file_label(mac_t *_label); 98int mac_prepare_ifnet_label(mac_t *_label); 99int mac_prepare_process_label(mac_t *_label); 100int mac_prepare_type(mac_t *_label, const char *_type); 101int mac_set_fd(int _fildes, const mac_t _label); 102int mac_set_file(const char *_path, mac_t _label); 103int mac_set_link(const char *_path, mac_t _label); 104int mac_set_proc(const mac_t _label); 105int mac_syscall(const char *_policyname, int _call, void *_arg); 106int mac_to_text(mac_t mac, char **_text); 107__END_DECLS 108 109#endif /* !_KERNEL */ 110 111#endif /* !_SYS_MAC_H_ */ 112