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
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: ptr_12.c,v 1.6 2020/02/24 17:43:52 florian Exp $ */
/* Reviewed: Thu Mar 16 14:05:12 PST 2000 by explorer */
#ifndef RDATA_GENERIC_PTR_12_C
#define RDATA_GENERIC_PTR_12_C
#define RRTYPE_PTR_ATTRIBUTES (0)
static inline isc_result_t
totext_ptr(ARGS_TOTEXT) {
isc_region_t region;
dns_name_t name;
dns_name_t prefix;
isc_boolean_t sub;
REQUIRE(rdata->type == dns_rdatatype_ptr);
REQUIRE(rdata->length != 0);
dns_name_init(&name, NULL);
dns_name_init(&prefix, NULL);
dns_rdata_toregion(rdata, ®ion);
dns_name_fromregion(&name, ®ion);
sub = name_prefix(&name, tctx->origin, &prefix);
return (dns_name_totext(&prefix, sub, target));
}
static inline isc_result_t
fromwire_ptr(ARGS_FROMWIRE) {
dns_name_t name;
REQUIRE(type == dns_rdatatype_ptr);
UNUSED(type);
UNUSED(rdclass);
dns_decompress_setmethods(dctx, DNS_COMPRESS_GLOBAL14);
dns_name_init(&name, NULL);
return (dns_name_fromwire(&name, source, dctx, options, target));
}
static inline isc_result_t
towire_ptr(ARGS_TOWIRE) {
dns_name_t name;
dns_offsets_t offsets;
isc_region_t region;
REQUIRE(rdata->type == dns_rdatatype_ptr);
REQUIRE(rdata->length != 0);
dns_compress_setmethods(cctx, DNS_COMPRESS_GLOBAL14);
dns_name_init(&name, offsets);
dns_rdata_toregion(rdata, ®ion);
dns_name_fromregion(&name, ®ion);
return (dns_name_towire(&name, cctx, target));
}
static inline isc_result_t
fromstruct_ptr(ARGS_FROMSTRUCT) {
dns_rdata_ptr_t *ptr = source;
isc_region_t region;
REQUIRE(type == dns_rdatatype_ptr);
REQUIRE(source != NULL);
REQUIRE(ptr->common.rdtype == type);
REQUIRE(ptr->common.rdclass == rdclass);
UNUSED(type);
UNUSED(rdclass);
dns_name_toregion(&ptr->ptr, ®ion);
return (isc_buffer_copyregion(target, ®ion));
}
static inline isc_result_t
tostruct_ptr(ARGS_TOSTRUCT) {
isc_region_t region;
dns_rdata_ptr_t *ptr = target;
dns_name_t name;
REQUIRE(rdata->type == dns_rdatatype_ptr);
REQUIRE(target != NULL);
REQUIRE(rdata->length != 0);
ptr->common.rdclass = rdata->rdclass;
ptr->common.rdtype = rdata->type;
ISC_LINK_INIT(&ptr->common, link);
dns_name_init(&name, NULL);
dns_rdata_toregion(rdata, ®ion);
dns_name_fromregion(&name, ®ion);
dns_name_init(&ptr->ptr, NULL);
RETERR(name_duporclone(&name, &ptr->ptr));
return (ISC_R_SUCCESS);
}
static unsigned char ip6_arpa_data[] = "\003IP6\004ARPA";
static unsigned char ip6_arpa_offsets[] = { 0, 4, 9 };
static const dns_name_t ip6_arpa =
DNS_NAME_INITABSOLUTE(ip6_arpa_data, ip6_arpa_offsets);
static unsigned char ip6_int_data[] = "\003IP6\003INT";
static unsigned char ip6_int_offsets[] = { 0, 4, 8 };
static const dns_name_t ip6_int =
DNS_NAME_INITABSOLUTE(ip6_int_data, ip6_int_offsets);
static unsigned char in_addr_arpa_data[] = "\007IN-ADDR\004ARPA";
static unsigned char in_addr_arpa_offsets[] = { 0, 8, 13 };
static const dns_name_t in_addr_arpa =
DNS_NAME_INITABSOLUTE(in_addr_arpa_data, in_addr_arpa_offsets);
#endif /* RDATA_GENERIC_PTR_12_C */
|
