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--- xnu/xnu-12377.101.15/security/mac_data.h
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-/*
- * 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) 2006 SPARTA, Inc.
- * All rights reserved.
- *
- * 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.
- */
-
-#ifndef _SECURITY_MAC_DATA_H_
-#define _SECURITY_MAC_DATA_H_
-
-#ifndef PRIVATE
-#warning "MAC policy is not KPI, see Technical Q&A QA1574, this header will be removed in next version"
-#endif
-
-/**
- * @brief Mac policy module data
- *
- * This structure specifies module data that is passed in to the
- * TrustedBSD MAC policy module by the kernel module loader. The
- * data is made of up key/value pairs where the key is always a
- * string and the value is a string, binary data or array. An array
- * may be a list of values (actually a similar set of key/value pairs,
- * but in this case the keys are always null), and may also consist of
- * a set of dictionaries, which in turn are made up of a list of key/value
- * pairs.
- *
- * Module data may be specified in the MAC policy module's
- * Info.plist file as part of the OSModuleData dictionary.
- *
- * E.g.
- *
- * <key>OSModuleData</key>
- * <dict>
- * <key>foo</key>
- * <string>bar</string>
- * <key>Beers</key>
- * <array>
- * <dict>
- * <key>type</key>
- * <string>lager</string>
- * <key>Name</key>
- * <string>Anchor Steam</string>
- * </dict>
- * <dict>
- * <key>type</key>
- * <string>ale</string>
- * <key>Name</key>
- * <string>Sierra Nevada Pale Ale</string>
- * </dict>
- * </array>
- * </dict>
- *
- */
-struct mac_module_data_element {
- unsigned int key_size;
- unsigned int value_size;
- unsigned int value_type;
- char *key;
- char *value;
-};
-struct mac_module_data_list {
- unsigned int count;
- unsigned int type;
- struct mac_module_data_element list[1];
-};
-struct mac_module_data {
- void *base_addr; /* Orig base address, for ptr fixup. */
- unsigned int size;
- unsigned int count;
- struct mac_module_data_element data[1]; /* actually bigger */
-};
-
-#define MAC_DATA_TYPE_PRIMITIVE 0 /* Primitive type (int, string, etc.) */
-#define MAC_DATA_TYPE_ARRAY 1 /* Array type. */
-#define MAC_DATA_TYPE_DICT 2 /* Dictionary type. */
-
-#ifdef _SECURITY_MAC_POLICY_H_
-/* XXX mac_policy_handle_t is defined in mac_policy.h, move prototype there? */
-int mac_find_policy_data(const mac_policy_handle_t, const char *key,
- void **valp, size_t *sizep);
-int mac_find_module_data(struct mac_module_data *mmd, const char *key,
- void **valp, size_t *sizep);
-
-/*
- * This is a routine to fix up pointers in a mac_module_data_element when the
- * mac_module_data has been copied to a new area. It depends on the pointers
- * all being offset from base_addr.
- */
-static __inline void
-mmd_fixup_ele(struct mac_module_data *oldbase,
- struct mac_module_data *newbase, struct mac_module_data_element *ele)
-{
- if (ele->key != NULL) { /* Array elements have no keys. */
- ele->key -= (uintptr_t)oldbase;
- ele->key += (uintptr_t)newbase;
- }
- ele->value -= (uintptr_t)oldbase;
- ele->value += (uintptr_t)newbase;
-}
-
-#endif
-
-#endif /* !_SECURITY_MAC_DATA_H_ */