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Diffstat (limited to 'data/libresolv/dnsinfo_private.h')
| -rw-r--r-- | data/libresolv/dnsinfo_private.h | 193 |
1 files changed, 0 insertions, 193 deletions
diff --git a/data/libresolv/dnsinfo_private.h b/data/libresolv/dnsinfo_private.h deleted file mode 100644 index 5e6ac0e5a..000000000 --- a/data/libresolv/dnsinfo_private.h +++ /dev/null @@ -1,193 +0,0 @@ -/* - * Copyright (c) 2004, 2005 Apple Computer, Inc. All rights reserved. - * - * @APPLE_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. 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_LICENSE_HEADER_END@ - */ - -#ifndef __DNSINFO_PRIVATE_H__ -#define __DNSINFO_PRIVATE_H__ - - -#include <AvailabilityMacros.h> -#include <sys/cdefs.h> -#include <stdint.h> -#include <sys/types.h> -#include <sys/socket.h> -#include <netinet/in.h> -#include <mach/mach.h> - -#include "dnsinfo.h" - -#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1040 - -/* - * What's all of this stuff about??? - * - * In order to minimize the amount of data conversions associated with - * storing, retrieving, and accessing the systems DNS configuration I - * have opted to create a memory image filled with the actual data - * types / structures that would be used by those applications which - * make use of these APIS. The implication here is that we use - * sockaddr's for addresses, char *'s for strings, etc. - * - * To achieve this goal the APIs which are used to store and access the - * configuration data build and use a single buffer of the relevant - * bits. When multiple instances of a given type / structure are needed - * we maintain a count, the actual data, and when the configuration has - * been unpacked, arrays of pointers to the data. - * - * In memory, the data looks as follows: - * - * +-------------------------------------------------------------------+ - * | struct _dns_config_buf_t | - * +-+-------------+---------------------------------------------------+ - * | | config | struct dns_config_t | - * | | +-+--------------+----------------------------------+ - * | | | | n_resolver | int32_t | <- # of name resolvers - * | | | +--------------+----------------------------------+ - * | | | | resolver | dns_resolver_t ** | <- not used during creation, filled - * | | | | | | in with pointer to a list of - * | | | | | | resolver configurations which be - * | | | | | | established in the "padding" - * | | | +--------------+----------------------------------+ - * | | | | ... | ... | - * | +-------------+-+--------------+----------------------------------+ - * | | n_attribute | uint32_t | <- how many bytes of "attribute" - * | | | | data is associated with the - * | | | | configuration - * |-+-------------+---------------------------------------------------+ - * | | n_padding | uint32_t | <- how many additional bytes - * | | | | for arrays (of pointers), ... - * +-+-------------+---------------------------------------------------+ - * | struct dns_attribute_t | - * |-+-------------+---------------------------------------------------+ - * | | type | uint32_t | <- type of attribute (e.g. CONFIG_ATTRIBUTE_RESOLVER) - * | +-------------+---------------------------------------------------+ - * | | length | uint32_t | <- length of the attribute - * | +-------------+---------------------------------------------------+ - * | | attribute | struct _dns_resolver_buf_t | <- the attribute data (resolver configuration #1) - * | | +-+-------------+-----------------------------------+ - * | | | | resolver | struct dns_resolver_t | - * | | | | +--------------+--------------------+ - * | | | | | domain | char * | <- not used during creation, - * | | | | | | | filled in with pointer to - * | | | | | | | domain name in the "padding" - * | | | | +--------------+--------------------+ - * | | | | | n_nameserver | int32_t | <- # of name server addresses - * | | | | +--------------+--------------------+ - * | | | | | nameserver | struct sockaddr ** | <- not used during creation, - * | | | | | | | filled in with pointer to - * | | | | | | | a list of addresses which - * | | | | | | | will be established in the - * | | | | | | | "padding" - * | | | | +--------------+--------------------+ - * | | | | | ... | - * | | +-+-------------+--------------+--------------------+ - * | | | | n_attribute | uint32_t | - * | | +-+-------------+-----------------------------------+ - * | | | | attribute | struct dns_attribute_t | - * | | | | +-+-----------+---------------------+ - * | | | | | | type | uint32_t | <- type of attribute (e.g. RESOLVER_ATTRIBUTE_DOMAIN) - * | | | | | +-----------+---------------------+ - * | | | | | | length | uint32_t | <- length of the attribute - * | | | | | +-----------+---------------------+ - * | | | | | | attribute | | <- the attribute data ("apple.com") - * | | +-+-------------+-------------+---------------------+ - * | | | | attribute | struct dns_attribute_t | - * | | | | +-+-----------+---------------------+ - * | | | | | | type | uint32_t | <- type of attribute (e.g. RESOLVER_ATTRIBUTE_ADDRESS) - * | | | | | +-----------+---------------------+ - * | | | | | | length | uint32_t | <- length of the attribute - * | | | | | +-----------+---------------------+ - * | | | | | | attribute | | <- the attribute data ("struct sockaddr_in" #1) - * | | +---------------+-----------------------------------+ - * | | | | attribute | struct dns_attribute_t | - * | | | | +-+-----------+---------------------+ - * | | | | | | type | uint32_t | <- type of attribute (e.g. RESOLVER_ATTRIBUTE_ADDRESS) - * | | | | | +-----------+---------------------+ - * | | | | | | length | uint32_t | <- length of the attribute - * | | | | | +-----------+---------------------+ - * | | | | | | attribute | | <- the attribute data ("struct sockaddr_in" #2) - * | | +---------------+-----------------------------------+ - * | | | ... | - * +-+-------------+---------------------------------------------------+ - * | | attribute | struct _dns_resolver_buf_t | <- the attribute data (resolver configuration #2) - * | | +---------------+-----------------------------------+ - * | | | ... | - * +---------------+---------------------------------------------------+ - * | | ... | - * +---------------+---------------------------------------------------+ - * - * When the data is unpacked the "n_padding" additional bytes - * specified in configuration buffer will be allocated at the - * end of this buffer. Arrays of pointers will be allocated - * within the extra space array element (an "attribute") is - * encountered the pointer reference will be filled in. - */ - - -// configuration buffer attributes -enum { - CONFIG_ATTRIBUTE_RESOLVER = 1 -}; - - -// resolver buffer attributes -enum { - RESOLVER_ATTRIBUTE_DOMAIN = 10, - RESOLVER_ATTRIBUTE_ADDRESS, - RESOLVER_ATTRIBUTE_SEARCH, - RESOLVER_ATTRIBUTE_SORTADDR, - RESOLVER_ATTRIBUTE_OPTIONS -}; - - -typedef struct { - uint32_t type; - uint32_t length; - uint8_t attribute[0]; -} dns_attribute_t; - - -typedef struct { - dns_config_t config; - uint32_t n_attribute; - uint32_t n_padding; - uint8_t attribute[0]; -} _dns_config_buf_t; - - -typedef struct { - dns_resolver_t resolver; - uint32_t n_attribute; - uint8_t attribute[0]; -} _dns_resolver_buf_t; - - -__BEGIN_DECLS - -const char * _dns_configuration_notify_key() AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER; -mach_port_t _dns_configuration_server_port() AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER; - -__END_DECLS - -#endif /* MAC_OS_X_VERSION_MAX_ALLOWED >= 1040 */ - -#endif /* __DNSINFO_PRIVATE_H__ */ |