The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/sys/mac.h

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    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: releng/10.2/sys/sys/mac.h 166537 2007-02-06 16:24:57Z rwatson $
   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  */
   66 struct mac {
   67         size_t           m_buflen;
   68         char            *m_string;
   69 };
   70 
   71 typedef 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
   86 int      mac_execve(char *fname, char **argv, char **envv, mac_t _label);
   87 int      mac_free(mac_t _label);
   88 int      mac_from_text(mac_t *_label, const char *_text);
   89 int      mac_get_fd(int _fd, mac_t _label);
   90 int      mac_get_file(const char *_path, mac_t _label);
   91 int      mac_get_link(const char *_path, mac_t _label);
   92 int      mac_get_peer(int _fd, mac_t _label);
   93 int      mac_get_pid(pid_t _pid, mac_t _label);
   94 int      mac_get_proc(mac_t _label);
   95 int      mac_is_present(const char *_policyname);
   96 int      mac_prepare(mac_t *_label, const char *_elements);
   97 int      mac_prepare_file_label(mac_t *_label);
   98 int      mac_prepare_ifnet_label(mac_t *_label);
   99 int      mac_prepare_process_label(mac_t *_label);
  100 int      mac_prepare_type(mac_t *_label, const char *_type);
  101 int      mac_set_fd(int _fildes, const mac_t _label);
  102 int      mac_set_file(const char *_path, mac_t _label);
  103 int      mac_set_link(const char *_path, mac_t _label);
  104 int      mac_set_proc(const mac_t _label);
  105 int      mac_syscall(const char *_policyname, int _call, void *_arg);
  106 int      mac_to_text(mac_t mac, char **_text);
  107 __END_DECLS
  108 
  109 #endif /* !_KERNEL */
  110 
  111 #endif /* !_SYS_MAC_H_ */

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