FreeBSD/Linux Kernel Cross Reference
sys/security/mac_bsdextended/ugidfw_system.c

     /*-
      * Copyright (c) 1999-2002, 2007 Robert N. M. Watson
      * Copyright (c) 2001-2005 Networks Associates Technology, Inc.
      * Copyright (c) 2005 Tom Rhodes
      * Copyright (c) 2006 SPARTA, Inc.
      * All rights reserved.
      *
      * This software was developed by Robert Watson for the TrustedBSD Project.
      * It was later enhanced by Tom Rhodes 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.
     *
     * This software was enhanced by SPARTA ISSO under SPAWAR contract
     * N66001-04-C-6019 ("SEFOS").
     *
     * 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/12.0/sys/security/mac_bsdextended/ugidfw_system.c 185539 2008-12-02 02:26:15Z peter $
     */
    
    #include <sys/param.h>
    #include <sys/acl.h>
    #include <sys/kernel.h>
    #include <sys/jail.h>
    #include <sys/lock.h>
    #include <sys/malloc.h>
    #include <sys/module.h>
    #include <sys/mount.h>
    #include <sys/mutex.h>
    #include <sys/priv.h>
    #include <sys/systm.h>
    #include <sys/vnode.h>
    #include <sys/sysctl.h>
    #include <sys/syslog.h>
    #include <sys/stat.h>
    
    #include <security/mac/mac_policy.h>
    #include <security/mac_bsdextended/mac_bsdextended.h>
    #include <security/mac_bsdextended/ugidfw_internal.h>
    
    int
    ugidfw_system_check_acct(struct ucred *cred, struct vnode *vp,
        struct label *vplabel)
    {
    
            if (vp != NULL)
                    return (ugidfw_check_vp(cred, vp, MBI_WRITE));
            else
                    return (0);
    }
    
    int
    ugidfw_system_check_auditctl(struct ucred *cred, struct vnode *vp,
        struct label *vplabel)
    {
    
            if (vp != NULL)
                    return (ugidfw_check_vp(cred, vp, MBI_WRITE));
            else
                    return (0);
    }
    
    int
    ugidfw_system_check_swapon(struct ucred *cred, struct vnode *vp,
        struct label *vplabel)
    {
    
            return (ugidfw_check_vp(cred, vp, MBI_WRITE));
    }

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