1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
|
/*
* Copyright (c) 2004-2006, 2008, 2009, 2011 Apple 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_H__
#define __DNSINFO_H__
/*
* These routines provide access to the systems DNS configuration
*/
#include <Availability.h>
#include <sys/cdefs.h>
#include <stdint.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <AvailabilityMacros.h>
#define DNSINFO_VERSION 20111104
#define DEFAULT_SEARCH_ORDER 200000 /* search order for the "default" resolver domain name */
#define DNS_PTR(type, name) \
union { \
type name; \
uint64_t _ ## name ## _p; \
}
#define DNS_VAR(type, name) \
type name
#pragma pack(4)
typedef struct {
struct in_addr address;
struct in_addr mask;
} dns_sortaddr_t;
#pragma pack()
#pragma pack(4)
typedef struct {
DNS_PTR(char *, domain); /* domain */
DNS_VAR(int32_t, n_nameserver); /* # nameserver */
DNS_PTR(struct sockaddr **, nameserver);
DNS_VAR(uint16_t, port); /* port (in host byte order) */
DNS_VAR(int32_t, n_search); /* # search */
DNS_PTR(char **, search);
DNS_VAR(int32_t, n_sortaddr); /* # sortaddr */
DNS_PTR(dns_sortaddr_t **, sortaddr);
DNS_PTR(char *, options); /* options */
DNS_VAR(uint32_t, timeout); /* timeout */
DNS_VAR(uint32_t, search_order); /* search_order */
DNS_VAR(uint32_t, if_index);
DNS_VAR(uint32_t, flags);
#if MAC_OS_X_VERSION_MIN_REQUIRED < 1080 /* MacOS 10.8 */
DNS_VAR(uint32_t, reserved[6]);
#else
DNS_VAR(uint32_t, reach_flags); /* SCNetworkReachabilityFlags */
DNS_VAR(uint32_t, reserved[5]);
#endif
} dns_resolver_t;
#pragma pack()
#define DNS_RESOLVER_FLAGS_SCOPED 1 /* configuration is for scoped questions */
#pragma pack(4)
typedef struct {
DNS_VAR(int32_t, n_resolver); /* resolver configurations */
DNS_PTR(dns_resolver_t **, resolver);
DNS_VAR(int32_t, n_scoped_resolver); /* "scoped" resolver configurations */
DNS_PTR(dns_resolver_t **, scoped_resolver);
DNS_VAR(uint32_t, reserved[5]);
} dns_config_t;
#pragma pack()
__BEGIN_DECLS
/*
* DNS configuration access APIs
*/
const char *
dns_configuration_notify_key (void) __OSX_AVAILABLE_STARTING(__MAC_10_4,__IPHONE_2_0);
dns_config_t *
dns_configuration_copy (void) __OSX_AVAILABLE_STARTING(__MAC_10_4,__IPHONE_2_0);
void
dns_configuration_free (dns_config_t *config) __OSX_AVAILABLE_STARTING(__MAC_10_4,__IPHONE_2_0);
#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1080
void
_dns_configuration_ack (dns_config_t *config,
const char *bundle_id) __OSX_AVAILABLE_STARTING(__MAC_10_8, __IPHONE_6_0);
#endif
__END_DECLS
#endif /* __DNSINFO_H__ */
|
