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: rp_17.c,v 1.12 2020/09/14 08:40:43 florian Exp $ */
18
19 /* RFC1183 */
20
21 #ifndef RDATA_GENERIC_RP_17_C
22 #define RDATA_GENERIC_RP_17_C
23
24 static inline isc_result_t
totext_rp(ARGS_TOTEXT)25 totext_rp(ARGS_TOTEXT) {
26 isc_region_t region;
27 dns_name_t rmail;
28 dns_name_t email;
29 dns_name_t prefix;
30 int sub;
31
32 REQUIRE(rdata->type == dns_rdatatype_rp);
33 REQUIRE(rdata->length != 0);
34
35 dns_name_init(&rmail, NULL);
36 dns_name_init(&email, NULL);
37 dns_name_init(&prefix, NULL);
38
39 dns_rdata_toregion(rdata, ®ion);
40
41 dns_name_fromregion(&rmail, ®ion);
42 isc_region_consume(®ion, rmail.length);
43
44 dns_name_fromregion(&email, ®ion);
45 isc_region_consume(®ion, email.length);
46
47 sub = name_prefix(&rmail, tctx->origin, &prefix);
48 RETERR(dns_name_totext(&prefix, sub, target));
49
50 RETERR(isc_str_tobuffer(" ", target));
51
52 sub = name_prefix(&email, tctx->origin, &prefix);
53 return (dns_name_totext(&prefix, sub, target));
54 }
55
56 static inline isc_result_t
fromwire_rp(ARGS_FROMWIRE)57 fromwire_rp(ARGS_FROMWIRE) {
58 dns_name_t rmail;
59 dns_name_t email;
60
61 REQUIRE(type == dns_rdatatype_rp);
62
63 UNUSED(type);
64 UNUSED(rdclass);
65
66 dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE);
67
68 dns_name_init(&rmail, NULL);
69 dns_name_init(&email, NULL);
70
71 RETERR(dns_name_fromwire(&rmail, source, dctx, options, target));
72 return (dns_name_fromwire(&email, source, dctx, options, target));
73 }
74
75 static inline isc_result_t
towire_rp(ARGS_TOWIRE)76 towire_rp(ARGS_TOWIRE) {
77 isc_region_t region;
78 dns_name_t rmail;
79 dns_name_t email;
80 dns_offsets_t roffsets;
81 dns_offsets_t eoffsets;
82
83 REQUIRE(rdata->type == dns_rdatatype_rp);
84 REQUIRE(rdata->length != 0);
85
86 dns_compress_setmethods(cctx, DNS_COMPRESS_NONE);
87 dns_name_init(&rmail, roffsets);
88 dns_name_init(&email, eoffsets);
89
90 dns_rdata_toregion(rdata, ®ion);
91
92 dns_name_fromregion(&rmail, ®ion);
93 isc_region_consume(®ion, rmail.length);
94
95 RETERR(dns_name_towire(&rmail, cctx, target));
96
97 dns_name_fromregion(&rmail, ®ion);
98 isc_region_consume(®ion, rmail.length);
99
100 return (dns_name_towire(&rmail, cctx, target));
101 }
102
103 #endif /* RDATA_GENERIC_RP_17_C */
104