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_SINK_40_C
18 #define RDATA_GENERIC_SINK_40_C
19
20 #include <dst/dst.h>
21
22 static inline isc_result_t
totext_sink(ARGS_TOTEXT)23 totext_sink(ARGS_TOTEXT) {
24 isc_region_t sr;
25 char buf[sizeof("255 255 255")];
26 uint8_t meaning, coding, subcoding;
27
28 REQUIRE(rdata->type == dns_rdatatype_sink);
29 REQUIRE(rdata->length >= 3);
30
31 dns_rdata_toregion(rdata, &sr);
32
33 /* Meaning, Coding and Subcoding */
34 meaning = uint8_fromregion(&sr);
35 isc_region_consume(&sr, 1);
36 coding = uint8_fromregion(&sr);
37 isc_region_consume(&sr, 1);
38 subcoding = uint8_fromregion(&sr);
39 isc_region_consume(&sr, 1);
40 snprintf(buf, sizeof(buf), "%u %u %u", meaning, coding, subcoding);
41 RETERR(isc_str_tobuffer(buf, target));
42
43 if (sr.length == 0U)
44 return (ISC_R_SUCCESS);
45
46 /* data */
47 if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
48 RETERR(isc_str_tobuffer(" (", target));
49
50 RETERR(isc_str_tobuffer(tctx->linebreak, target));
51
52 if (tctx->width == 0) /* No splitting */
53 RETERR(isc_base64_totext(&sr, 60, "", target));
54 else
55 RETERR(isc_base64_totext(&sr, tctx->width - 2,
56 tctx->linebreak, target));
57
58 if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
59 RETERR(isc_str_tobuffer(" )", target));
60
61 return (ISC_R_SUCCESS);
62 }
63
64 static inline isc_result_t
fromwire_sink(ARGS_FROMWIRE)65 fromwire_sink(ARGS_FROMWIRE) {
66 isc_region_t sr;
67
68 REQUIRE(type == dns_rdatatype_sink);
69
70 UNUSED(type);
71 UNUSED(rdclass);
72 UNUSED(dctx);
73 UNUSED(options);
74
75 isc_buffer_activeregion(source, &sr);
76 if (sr.length < 3)
77 return (ISC_R_UNEXPECTEDEND);
78
79 RETERR(isc_mem_tobuffer(target, sr.base, sr.length));
80 isc_buffer_forward(source, sr.length);
81 return (ISC_R_SUCCESS);
82 }
83
84 static inline isc_result_t
towire_sink(ARGS_TOWIRE)85 towire_sink(ARGS_TOWIRE) {
86
87 REQUIRE(rdata->type == dns_rdatatype_sink);
88 REQUIRE(rdata->length >= 3);
89
90 UNUSED(cctx);
91
92 return (isc_mem_tobuffer(target, rdata->data, rdata->length));
93 }
94
95 #endif /* RDATA_GENERIC_SINK_40_C */
96