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 #ifndef RDATA_GENERIC_LP_107_C
18 #define RDATA_GENERIC_LP_107_C
19
20 #include <string.h>
21
22 static inline isc_result_t
totext_lp(ARGS_TOTEXT)23 totext_lp(ARGS_TOTEXT) {
24 isc_region_t region;
25 dns_name_t name;
26 dns_name_t prefix;
27 int sub;
28 char buf[sizeof("64000")];
29 unsigned short num;
30
31 REQUIRE(rdata->type == dns_rdatatype_lp);
32 REQUIRE(rdata->length != 0);
33
34 dns_name_init(&name, NULL);
35 dns_name_init(&prefix, NULL);
36
37 dns_rdata_toregion(rdata, ®ion);
38 num = uint16_fromregion(®ion);
39 isc_region_consume(®ion, 2);
40 snprintf(buf, sizeof(buf), "%u", num);
41 RETERR(isc_str_tobuffer(buf, target));
42
43 RETERR(isc_str_tobuffer(" ", target));
44
45 dns_name_fromregion(&name, ®ion);
46 sub = name_prefix(&name, tctx->origin, &prefix);
47 return (dns_name_totext(&prefix, sub, target));
48 }
49
50 static inline isc_result_t
fromwire_lp(ARGS_FROMWIRE)51 fromwire_lp(ARGS_FROMWIRE) {
52 dns_name_t name;
53 isc_region_t sregion;
54
55 REQUIRE(type == dns_rdatatype_lp);
56
57 UNUSED(type);
58 UNUSED(rdclass);
59
60 dns_decompress_setmethods(dctx, DNS_COMPRESS_GLOBAL14);
61
62 dns_name_init(&name, NULL);
63
64 isc_buffer_activeregion(source, &sregion);
65 if (sregion.length < 2)
66 return (ISC_R_UNEXPECTEDEND);
67 RETERR(isc_mem_tobuffer(target, sregion.base, 2));
68 isc_buffer_forward(source, 2);
69 return (dns_name_fromwire(&name, source, dctx, options, target));
70 }
71
72 static inline isc_result_t
towire_lp(ARGS_TOWIRE)73 towire_lp(ARGS_TOWIRE) {
74
75 REQUIRE(rdata->type == dns_rdatatype_lp);
76 REQUIRE(rdata->length != 0);
77
78 UNUSED(cctx);
79
80 return (isc_mem_tobuffer(target, rdata->data, rdata->length));
81 }
82
83 #endif /* RDATA_GENERIC_LP_107_C */
84