xref: /openbsd/usr.bin/dig/lib/dns/rdata/generic/l64_106.c (revision 1bf56eb0)
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_L64_106_C
18 #define RDATA_GENERIC_L64_106_C
19 
20 #include <string.h>
21 
22 static inline isc_result_t
totext_l64(ARGS_TOTEXT)23 totext_l64(ARGS_TOTEXT) {
24 	isc_region_t region;
25 	char buf[sizeof("xxxx:xxxx:xxxx:xxxx")];
26 	unsigned short num;
27 
28 	REQUIRE(rdata->type == dns_rdatatype_l64);
29 	REQUIRE(rdata->length == 10);
30 
31 	UNUSED(tctx);
32 
33 	dns_rdata_toregion(rdata, &region);
34 	num = uint16_fromregion(&region);
35 	isc_region_consume(&region, 2);
36 	snprintf(buf, sizeof(buf), "%u", num);
37 	RETERR(isc_str_tobuffer(buf, target));
38 
39 	RETERR(isc_str_tobuffer(" ", target));
40 
41 	snprintf(buf, sizeof(buf), "%x:%x:%x:%x",
42 		 region.base[0]<<8 | region.base[1],
43 		 region.base[2]<<8 | region.base[3],
44 		 region.base[4]<<8 | region.base[5],
45 		 region.base[6]<<8 | region.base[7]);
46 	return (isc_str_tobuffer(buf, target));
47 }
48 
49 static inline isc_result_t
fromwire_l64(ARGS_FROMWIRE)50 fromwire_l64(ARGS_FROMWIRE) {
51 	isc_region_t sregion;
52 
53 	REQUIRE(type == dns_rdatatype_l64);
54 
55 	UNUSED(type);
56 	UNUSED(options);
57 	UNUSED(rdclass);
58 	UNUSED(dctx);
59 
60 	isc_buffer_activeregion(source, &sregion);
61 	if (sregion.length != 10)
62 		return (DNS_R_FORMERR);
63 	isc_buffer_forward(source, sregion.length);
64 	return (isc_mem_tobuffer(target, sregion.base, sregion.length));
65 }
66 
67 static inline isc_result_t
towire_l64(ARGS_TOWIRE)68 towire_l64(ARGS_TOWIRE) {
69 
70 	REQUIRE(rdata->type == dns_rdatatype_l64);
71 	REQUIRE(rdata->length == 10);
72 
73 	UNUSED(cctx);
74 
75 	return (isc_mem_tobuffer(target, rdata->data, rdata->length));
76 }
77 
78 #endif	/* RDATA_GENERIC_L64_106_C */
79