gems-kernel/source/THIRDPARTY/xnu/security/mac_system.c
2024-06-03 11:29:39 -05:00

243 lines
6.1 KiB
C

/*
* Copyright (c) 2007 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. The rights granted to you under the License
* may not be used to create, or enable the creation or redistribution of,
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
*
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*-
* Copyright (c) 1999, 2000, 2001, 2002 Robert N. M. Watson
* Copyright (c) 2001 Ilmar S. Habibulin
* Copyright (c) 2001, 2002, 2003, 2004 Networks Associates Technology, Inc.
*
* This software was developed by Robert Watson and Ilmar Habibulin 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.
*
*/
#include <sys/param.h>
#include <sys/vnode.h>
#include <sys/vnode_internal.h>
#include <security/mac_internal.h>
int
mac_system_check_acct(kauth_cred_t cred, struct vnode *vp)
{
int error;
#if SECURITY_MAC_CHECK_ENFORCE
/* 21167099 - only check if we allow write */
if (!mac_system_enforce) {
return 0;
}
#endif
MAC_CHECK(system_check_acct, cred, vp,
vp != NULL ? mac_vnode_label(vp) : NULL);
return error;
}
int
mac_system_check_host_priv(kauth_cred_t cred)
{
int error;
#if SECURITY_MAC_CHECK_ENFORCE
/* 21167099 - only check if we allow write */
if (!mac_system_enforce) {
return 0;
}
#endif
MAC_CHECK(system_check_host_priv, cred);
return error;
}
int
mac_system_check_info(kauth_cred_t cred, const char *info_type)
{
int error;
#if SECURITY_MAC_CHECK_ENFORCE
/* 21167099 - only check if we allow write */
if (!mac_system_enforce) {
return 0;
}
#endif
MAC_CHECK(system_check_info, cred, info_type);
return error;
}
int
mac_system_check_nfsd(kauth_cred_t cred)
{
int error;
#if SECURITY_MAC_CHECK_ENFORCE
/* 21167099 - only check if we allow write */
if (!mac_system_enforce) {
return 0;
}
#endif
MAC_CHECK(system_check_nfsd, cred);
return error;
}
int
mac_system_check_reboot(kauth_cred_t cred, int howto)
{
int error;
#if SECURITY_MAC_CHECK_ENFORCE
/* 21167099 - only check if we allow write */
if (!mac_system_enforce) {
return 0;
}
#endif
MAC_CHECK(system_check_reboot, cred, howto);
return error;
}
int
mac_system_check_settime(kauth_cred_t cred)
{
int error;
#if SECURITY_MAC_CHECK_ENFORCE
/* 21167099 - only check if we allow write */
if (!mac_system_enforce) {
return 0;
}
#endif
MAC_CHECK(system_check_settime, cred);
return error;
}
int
mac_system_check_swapon(kauth_cred_t cred, struct vnode *vp)
{
int error;
#if SECURITY_MAC_CHECK_ENFORCE
/* 21167099 - only check if we allow write */
if (!mac_system_enforce) {
return 0;
}
#endif
MAC_CHECK(system_check_swapon, cred, vp, mac_vnode_label(vp));
return error;
}
int
mac_system_check_swapoff(kauth_cred_t cred, struct vnode *vp)
{
int error;
#if SECURITY_MAC_CHECK_ENFORCE
/* 21167099 - only check if we allow write */
if (!mac_system_enforce) {
return 0;
}
#endif
MAC_CHECK(system_check_swapoff, cred, vp, mac_vnode_label(vp));
return error;
}
int
mac_system_check_sysctlbyname(kauth_cred_t cred, const char *namestring, int *name,
size_t namelen, user_addr_t oldctl, size_t oldlen,
user_addr_t newctl, size_t newlen)
{
int error;
#if SECURITY_MAC_CHECK_ENFORCE
/* 21167099 - only check if we allow write */
if (!mac_system_enforce) {
return 0;
}
#endif
MAC_CHECK(system_check_sysctlbyname, cred, namestring,
name, namelen, oldctl, oldlen, newctl, newlen);
return error;
}
int
mac_system_check_kas_info(kauth_cred_t cred, int selector)
{
int error;
#if SECURITY_MAC_CHECK_ENFORCE
/* 21167099 - only check if we allow write */
if (!mac_system_enforce) {
return 0;
}
#endif
MAC_CHECK(system_check_kas_info, cred, selector);
return error;
}