FreeBSD/Linux Kernel Cross Reference
sys/security/mac_none/mac_none.c

     /*-
      * Copyright (c) 1999-2002 Robert N. M. Watson
      * Copyright (c) 2001-2003 Networks Associates Technology, Inc.
      * All rights reserved.
      *
      * This software was developed by Robert Watson for the TrustedBSD Project.
      *
      * This software was developed for the FreeBSD Project in part by Network
      * Associates Laboratories, the Security Research Division of Network
     * Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"),
     * as part of the DARPA CHATS research program.
     *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     * $FreeBSD: releng/6.2/sys/security/mac_none/mac_none.c 150569 2005-09-26 14:36:54Z phk $
     */
    
    /*
     * Developed by the TrustedBSD Project.
     *
     * Sample policy implementing no entry points; for performance measurement
     * purposes only.  If you're looking for a stub policy to base new policies
     * on, try mac_stub.
     */
    
    #include <sys/types.h>
    #include <sys/param.h>
    #include <sys/acl.h>
    #include <sys/conf.h>
    #include <sys/extattr.h>
    #include <sys/kernel.h>
    #include <sys/mac.h>
    #include <sys/mount.h>
    #include <sys/proc.h>
    #include <sys/systm.h>
    #include <sys/sysproto.h>
    #include <sys/sysent.h>
    #include <sys/vnode.h>
    #include <sys/file.h>
    #include <sys/socket.h>
    #include <sys/socketvar.h>
    #include <sys/pipe.h>
    #include <sys/sx.h>
    #include <sys/sysctl.h>
    
    #include <fs/devfs/devfs.h>
    
    #include <net/bpfdesc.h>
    #include <net/if.h>
    #include <net/if_types.h>
    #include <net/if_var.h>
    
    #include <netinet/in.h>
    #include <netinet/ip_var.h>
    
    #include <vm/vm.h>
    
    #include <sys/mac_policy.h>
    
    SYSCTL_DECL(_security_mac);
    
    SYSCTL_NODE(_security_mac, OID_AUTO, none, CTLFLAG_RW, 0,
        "TrustedBSD mac_none policy controls");
    
    static int      mac_none_enabled = 1;
    SYSCTL_INT(_security_mac_none, OID_AUTO, enabled, CTLFLAG_RW,
        &mac_none_enabled, 0, "Enforce none policy");
    
    static struct mac_policy_ops mac_none_ops =
    {
    };
    
    MAC_POLICY_SET(&mac_none_ops, mac_none, "TrustedBSD MAC/None",
        MPC_LOADTIME_FLAG_UNLOADOK, NULL);

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