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: a_1.c,v 1.11 2020/09/14 08:39:12 florian Exp $ */
18
19 /* reviewed: Thu Mar 16 15:58:36 PST 2000 by brister */
20
21 #ifndef RDATA_HS_4_A_1_C
22 #define RDATA_HS_4_A_1_C
23
24 static inline isc_result_t
totext_hs_a(ARGS_TOTEXT)25 totext_hs_a(ARGS_TOTEXT) {
26 isc_region_t region;
27
28 REQUIRE(rdata->type == dns_rdatatype_a);
29 REQUIRE(rdata->rdclass == dns_rdataclass_hs);
30 REQUIRE(rdata->length == 4);
31
32 UNUSED(tctx);
33
34 dns_rdata_toregion(rdata, ®ion);
35 return (inet_totext(AF_INET, ®ion, target));
36 }
37
38 static inline isc_result_t
fromwire_hs_a(ARGS_FROMWIRE)39 fromwire_hs_a(ARGS_FROMWIRE) {
40 isc_region_t sregion;
41 isc_region_t tregion;
42
43 REQUIRE(type == dns_rdatatype_a);
44 REQUIRE(rdclass == dns_rdataclass_hs);
45
46 UNUSED(type);
47 UNUSED(dctx);
48 UNUSED(options);
49 UNUSED(rdclass);
50
51 isc_buffer_activeregion(source, &sregion);
52 isc_buffer_availableregion(target, &tregion);
53 if (sregion.length < 4)
54 return (ISC_R_UNEXPECTEDEND);
55 if (tregion.length < 4)
56 return (ISC_R_NOSPACE);
57
58 memmove(tregion.base, sregion.base, 4);
59 isc_buffer_forward(source, 4);
60 isc_buffer_add(target, 4);
61 return (ISC_R_SUCCESS);
62 }
63
64 static inline isc_result_t
towire_hs_a(ARGS_TOWIRE)65 towire_hs_a(ARGS_TOWIRE) {
66 isc_region_t region;
67
68 REQUIRE(rdata->type == dns_rdatatype_a);
69 REQUIRE(rdata->rdclass == dns_rdataclass_hs);
70 REQUIRE(rdata->length == 4);
71
72 UNUSED(cctx);
73
74 isc_buffer_availableregion(target, ®ion);
75 if (region.length < rdata->length)
76 return (ISC_R_NOSPACE);
77 memmove(region.base, rdata->data, rdata->length);
78 isc_buffer_add(target, 4);
79 return (ISC_R_SUCCESS);
80 }
81
82 #endif /* RDATA_HS_4_A_1_C */
83