0efd6615cd
Framework and security modules, to src/sys/security/mac/mac_policy.h, completing the removal of kernel-only MAC Framework include files from src/sys/sys. Update the MAC Framework and MAC policy modules. Delete the old mac_policy.h. Third party policy modules will need similar updating. Obtained from: TrustedBSD Project
83 lines
2.7 KiB
C
83 lines
2.7 KiB
C
/*-
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* Copyright (c) 2006 nCircle Network Security, Inc.
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* All rights reserved.
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*
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* This software was developed by Robert N. M. Watson for the TrustedBSD
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* Project under contract to nCircle Network Security, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR, NCIRCLE NETWORK SECURITY,
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* INC., OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*
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* MAC checks for system privileges.
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*/
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#include "opt_mac.h"
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#include <sys/param.h>
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#include <sys/priv.h>
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#include <sys/module.h>
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#include <security/mac/mac_framework.h>
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#include <security/mac/mac_internal.h>
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#include <security/mac/mac_policy.h>
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/*
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* The MAC Framework interacts with kernel privilege checks in two ways: it
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* may restrict the granting of privilege to a subject, and it may grant
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* additional privileges to the subject. Policies may implement none, one,
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* or both of these entry points. Restriction of privilege by any policy
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* always overrides granting of privilege by any policy or other privilege
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* mechanism. See kern_priv.c:priv_check_cred() for details of the
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* composition.
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*/
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/*
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* Restrict access to a privilege for a credential. Return failure if any
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* policy denies access.
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*/
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int
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mac_priv_check(struct ucred *cred, int priv)
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{
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int error;
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MAC_CHECK(priv_check, cred, priv);
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return (error);
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}
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/*
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* Grant access to a privilege for a credential. Return success if any
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* policy grants access.
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*/
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int
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mac_priv_grant(struct ucred *cred, int priv)
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{
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int error;
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MAC_GRANT(priv_grant, cred, priv);
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return (error);
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}
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