1 /*
2 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
9 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
10 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
11 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
12 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
13 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
14 * PERFORMANCE OF THIS SOFTWARE.
15 */
16
17 /* $Id: aaaa_28.c,v 1.11 2020/09/14 08:39:12 florian Exp $ */
18
19 /* Reviewed: Thu Mar 16 16:52:50 PST 2000 by bwelling */
20
21 /* RFC1886 */
22
23 #ifndef RDATA_IN_1_AAAA_28_C
24 #define RDATA_IN_1_AAAA_28_C
25
26 static inline isc_result_t
totext_in_aaaa(ARGS_TOTEXT)27 totext_in_aaaa(ARGS_TOTEXT) {
28 isc_region_t region;
29
30 UNUSED(tctx);
31
32 REQUIRE(rdata->type == dns_rdatatype_aaaa);
33 REQUIRE(rdata->rdclass == dns_rdataclass_in);
34 REQUIRE(rdata->length == 16);
35
36 dns_rdata_toregion(rdata, ®ion);
37 return (inet_totext(AF_INET6, ®ion, target));
38 }
39
40 static inline isc_result_t
fromwire_in_aaaa(ARGS_FROMWIRE)41 fromwire_in_aaaa(ARGS_FROMWIRE) {
42 isc_region_t sregion;
43 isc_region_t tregion;
44
45 REQUIRE(type == dns_rdatatype_aaaa);
46 REQUIRE(rdclass == dns_rdataclass_in);
47
48 UNUSED(type);
49 UNUSED(dctx);
50 UNUSED(options);
51 UNUSED(rdclass);
52
53 isc_buffer_activeregion(source, &sregion);
54 isc_buffer_availableregion(target, &tregion);
55 if (sregion.length < 16)
56 return (ISC_R_UNEXPECTEDEND);
57 if (tregion.length < 16)
58 return (ISC_R_NOSPACE);
59
60 memmove(tregion.base, sregion.base, 16);
61 isc_buffer_forward(source, 16);
62 isc_buffer_add(target, 16);
63 return (ISC_R_SUCCESS);
64 }
65
66 static inline isc_result_t
towire_in_aaaa(ARGS_TOWIRE)67 towire_in_aaaa(ARGS_TOWIRE) {
68 isc_region_t region;
69
70 UNUSED(cctx);
71
72 REQUIRE(rdata->type == dns_rdatatype_aaaa);
73 REQUIRE(rdata->rdclass == dns_rdataclass_in);
74 REQUIRE(rdata->length == 16);
75
76 isc_buffer_availableregion(target, ®ion);
77 if (region.length < rdata->length)
78 return (ISC_R_NOSPACE);
79 memmove(region.base, rdata->data, rdata->length);
80 isc_buffer_add(target, 16);
81 return (ISC_R_SUCCESS);
82 }
83
84 #endif /* RDATA_IN_1_AAAA_28_C */
85