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