mirror of
https://github.com/darlinghq/darling-xnu.git
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320 lines
7.8 KiB
C
320 lines
7.8 KiB
C
/*
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* Copyright (c) 2007-2012 Apple Inc. All rights reserved.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. The rights granted to you under the License
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* may not be used to create, or enable the creation or redistribution of,
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* unlawful or unlicensed copies of an Apple operating system, or to
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* circumvent, violate, or enable the circumvention or violation of, any
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* terms of an Apple operating system software license agreement.
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*
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* Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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*/
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/*-
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* Copyright (c) 1999-2002 Robert N. M. Watson
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* Copyright (c) 2001 Ilmar S. Habibulin
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* Copyright (c) 2001-2005 Networks Associates Technology, Inc.
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* Copyright (c) 2005 SPARTA, Inc.
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* All rights reserved.
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*
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* This software was developed by Robert Watson and Ilmar Habibulin for the
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* TrustedBSD Project.
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*
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* This software was developed for the FreeBSD Project in part by McAfee
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* Research, the Technology Research Division of Network Associates, Inc.
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* under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the
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* DARPA CHATS research program.
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*
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* This software was enhanced by SPARTA ISSO under SPAWAR contract
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* N66001-04-C-6019 ("SEFOS").
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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 OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#include <sys/param.h>
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#include <sys/kernel.h>
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#include <sys/lock.h>
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#include <sys/malloc.h>
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#include <sys/sbuf.h>
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#include <sys/systm.h>
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#include <sys/mount.h>
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#include <sys/file.h>
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#include <sys/namei.h>
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#include <sys/protosw.h>
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#include <sys/socket.h>
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#include <sys/socketvar.h>
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#include <sys/sysctl.h>
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#include <sys/kpi_socket.h>
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#include <security/mac_internal.h>
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int
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mac_socket_check_accept(kauth_cred_t cred, struct socket *so)
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{
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int error;
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#if SECURITY_MAC_CHECK_ENFORCE
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/* 21167099 - only check if we allow write */
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if (!mac_socket_enforce) {
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return 0;
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}
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#endif
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MAC_CHECK(socket_check_accept, cred,
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(socket_t)so, so->so_label);
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return error;
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}
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#if CONFIG_MACF_SOCKET_SUBSET
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int
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mac_socket_check_accepted(kauth_cred_t cred, struct socket *so)
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{
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struct sockaddr *sockaddr;
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int error;
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#if SECURITY_MAC_CHECK_ENFORCE
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/* 21167099 - only check if we allow write */
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if (!mac_socket_enforce) {
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return 0;
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}
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#endif
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if (sock_getaddr((socket_t)so, &sockaddr, 1) != 0) {
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error = ECONNABORTED;
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} else {
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MAC_CHECK(socket_check_accepted, cred,
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(socket_t)so, so->so_label, sockaddr);
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sock_freeaddr(sockaddr);
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}
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return error;
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}
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#endif
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int
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mac_socket_check_bind(kauth_cred_t ucred, struct socket *so,
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struct sockaddr *sockaddr)
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{
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int error;
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#if SECURITY_MAC_CHECK_ENFORCE
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/* 21167099 - only check if we allow write */
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if (!mac_socket_enforce) {
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return 0;
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}
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#endif
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MAC_CHECK(socket_check_bind, ucred,
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(socket_t)so, so->so_label, sockaddr);
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return error;
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}
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int
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mac_socket_check_connect(kauth_cred_t cred, struct socket *so,
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struct sockaddr *sockaddr)
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{
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int error;
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#if SECURITY_MAC_CHECK_ENFORCE
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/* 21167099 - only check if we allow write */
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if (!mac_socket_enforce) {
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return 0;
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}
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#endif
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MAC_CHECK(socket_check_connect, cred,
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(socket_t)so, so->so_label,
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sockaddr);
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return error;
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}
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int
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mac_socket_check_create(kauth_cred_t cred, int domain, int type, int protocol)
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{
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int error;
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#if SECURITY_MAC_CHECK_ENFORCE
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/* 21167099 - only check if we allow write */
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if (!mac_socket_enforce) {
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return 0;
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}
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#endif
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MAC_CHECK(socket_check_create, cred, domain, type, protocol);
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return error;
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}
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int
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mac_socket_check_ioctl(kauth_cred_t cred, struct socket *so, u_long cmd)
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{
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int error;
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#if SECURITY_MAC_CHECK_ENFORCE
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/* 21167099 - only check if we allow write */
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if (!mac_socket_enforce) {
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return 0;
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}
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#endif
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MAC_CHECK(socket_check_ioctl, cred,
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(socket_t)so, cmd, so->so_label);
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return error;
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}
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int
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mac_socket_check_stat(kauth_cred_t cred, struct socket *so)
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{
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int error;
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#if SECURITY_MAC_CHECK_ENFORCE
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/* 21167099 - only check if we allow write */
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if (!mac_socket_enforce) {
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return 0;
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}
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#endif
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MAC_CHECK(socket_check_stat, cred,
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(socket_t)so, so->so_label);
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return error;
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}
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int
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mac_socket_check_listen(kauth_cred_t cred, struct socket *so)
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{
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int error;
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#if SECURITY_MAC_CHECK_ENFORCE
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/* 21167099 - only check if we allow write */
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if (!mac_socket_enforce) {
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return 0;
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}
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#endif
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MAC_CHECK(socket_check_listen, cred,
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(socket_t)so, so->so_label);
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return error;
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}
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int
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mac_socket_check_receive(kauth_cred_t cred, struct socket *so)
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{
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int error;
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#if SECURITY_MAC_CHECK_ENFORCE
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/* 21167099 - only check if we allow write */
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if (!mac_socket_enforce) {
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return 0;
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}
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#endif
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MAC_CHECK(socket_check_receive, cred,
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(socket_t)so, so->so_label);
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return error;
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}
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int
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mac_socket_check_received(kauth_cred_t cred, struct socket *so, struct sockaddr *saddr)
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{
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int error;
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#if SECURITY_MAC_CHECK_ENFORCE
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/* 21167099 - only check if we allow write */
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if (!mac_socket_enforce) {
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return 0;
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}
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#endif
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MAC_CHECK(socket_check_received, cred,
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so, so->so_label, saddr);
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return error;
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}
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int
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mac_socket_check_send(kauth_cred_t cred, struct socket *so,
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struct sockaddr *sockaddr)
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{
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int error;
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#if SECURITY_MAC_CHECK_ENFORCE
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/* 21167099 - only check if we allow write */
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if (!mac_socket_enforce) {
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return 0;
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}
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#endif
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MAC_CHECK(socket_check_send, cred,
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(socket_t)so, so->so_label, sockaddr);
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return error;
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}
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int
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mac_socket_check_setsockopt(kauth_cred_t cred, struct socket *so,
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struct sockopt *sopt)
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{
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int error;
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#if SECURITY_MAC_CHECK_ENFORCE
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/* 21167099 - only check if we allow write */
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if (!mac_socket_enforce) {
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return 0;
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}
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#endif
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MAC_CHECK(socket_check_setsockopt, cred,
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(socket_t)so, so->so_label, sopt);
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return error;
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}
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int
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mac_socket_check_getsockopt(kauth_cred_t cred, struct socket *so,
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struct sockopt *sopt)
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{
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int error;
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#if SECURITY_MAC_CHECK_ENFORCE
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/* 21167099 - only check if we allow write */
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if (!mac_socket_enforce) {
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return 0;
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}
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#endif
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MAC_CHECK(socket_check_getsockopt, cred,
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(socket_t)so, so->so_label, sopt);
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return error;
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}
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