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: nsap-ptr_23.c,v 1.11 2020/09/14 08:40:44 florian Exp $ */
18
19 /* Reviewed: Fri Mar 17 10:16:02 PST 2000 by gson */
20
21 /* RFC1348. Obsoleted in RFC 1706 - use PTR instead. */
22
23 #ifndef RDATA_IN_1_NSAP_PTR_23_C
24 #define RDATA_IN_1_NSAP_PTR_23_C
25
26 static inline isc_result_t
totext_in_nsap_ptr(ARGS_TOTEXT)27 totext_in_nsap_ptr(ARGS_TOTEXT) {
28 isc_region_t region;
29 dns_name_t name;
30 dns_name_t prefix;
31 int sub;
32
33 REQUIRE(rdata->type == dns_rdatatype_nsap_ptr);
34 REQUIRE(rdata->rdclass == dns_rdataclass_in);
35 REQUIRE(rdata->length != 0);
36
37 dns_name_init(&name, NULL);
38 dns_name_init(&prefix, NULL);
39
40 dns_rdata_toregion(rdata, ®ion);
41 dns_name_fromregion(&name, ®ion);
42
43 sub = name_prefix(&name, tctx->origin, &prefix);
44
45 return (dns_name_totext(&prefix, sub, target));
46 }
47
48 static inline isc_result_t
fromwire_in_nsap_ptr(ARGS_FROMWIRE)49 fromwire_in_nsap_ptr(ARGS_FROMWIRE) {
50 dns_name_t name;
51
52 REQUIRE(type == dns_rdatatype_nsap_ptr);
53 REQUIRE(rdclass == dns_rdataclass_in);
54
55 UNUSED(type);
56 UNUSED(rdclass);
57
58 dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE);
59
60 dns_name_init(&name, NULL);
61 return (dns_name_fromwire(&name, source, dctx, options, target));
62 }
63
64 static inline isc_result_t
towire_in_nsap_ptr(ARGS_TOWIRE)65 towire_in_nsap_ptr(ARGS_TOWIRE) {
66 dns_name_t name;
67 dns_offsets_t offsets;
68 isc_region_t region;
69
70 REQUIRE(rdata->type == dns_rdatatype_nsap_ptr);
71 REQUIRE(rdata->rdclass == dns_rdataclass_in);
72 REQUIRE(rdata->length != 0);
73
74 dns_compress_setmethods(cctx, DNS_COMPRESS_NONE);
75 dns_name_init(&name, offsets);
76 dns_rdata_toregion(rdata, ®ion);
77 dns_name_fromregion(&name, ®ion);
78
79 return (dns_name_towire(&name, cctx, target));
80 }
81
82 #endif /* RDATA_IN_1_NSAP_PTR_23_C */
83