1 /*
2  * Copyright (C) 2004, 2006, 2007, 2009-2013, 2015  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 /* $Id$ */
18 
19 /* draft-ietf-dnsext-delegation-signer-05.txt */
20 
21 #ifndef RDATA_GENERIC_DLV_32769_C
22 #define RDATA_GENERIC_DLV_32769_C
23 
24 #define RRTYPE_DLV_ATTRIBUTES 0
25 
26 #include <isc/sha1.h>
27 #include <isc/sha2.h>
28 
29 #include <dns/ds.h>
30 
31 
32 static inline isc_result_t
fromtext_dlv(ARGS_FROMTEXT)33 fromtext_dlv(ARGS_FROMTEXT) {
34 
35 	REQUIRE(type == dns_rdatatype_dlv);
36 
37 	return (generic_fromtext_ds(rdclass, type, lexer, origin, options,
38 				    target, callbacks));
39 }
40 
41 static inline isc_result_t
totext_dlv(ARGS_TOTEXT)42 totext_dlv(ARGS_TOTEXT) {
43 
44 	REQUIRE(rdata->type == dns_rdatatype_dlv);
45 
46 	return (generic_totext_ds(rdata, tctx, target));
47 }
48 
49 static inline isc_result_t
fromwire_dlv(ARGS_FROMWIRE)50 fromwire_dlv(ARGS_FROMWIRE) {
51 
52 	REQUIRE(type == dns_rdatatype_dlv);
53 
54 	return (generic_fromwire_ds(rdclass, type, source, dctx, options,
55 				    target));
56 }
57 
58 static inline isc_result_t
towire_dlv(ARGS_TOWIRE)59 towire_dlv(ARGS_TOWIRE) {
60 	isc_region_t sr;
61 
62 	REQUIRE(rdata->type == dns_rdatatype_dlv);
63 	REQUIRE(rdata->length != 0);
64 
65 	UNUSED(cctx);
66 
67 	dns_rdata_toregion(rdata, &sr);
68 	return (mem_tobuffer(target, sr.base, sr.length));
69 }
70 
71 static inline int
compare_dlv(ARGS_COMPARE)72 compare_dlv(ARGS_COMPARE) {
73 	isc_region_t r1;
74 	isc_region_t r2;
75 
76 	REQUIRE(rdata1->type == rdata2->type);
77 	REQUIRE(rdata1->rdclass == rdata2->rdclass);
78 	REQUIRE(rdata1->type == dns_rdatatype_dlv);
79 	REQUIRE(rdata1->length != 0);
80 	REQUIRE(rdata2->length != 0);
81 
82 	dns_rdata_toregion(rdata1, &r1);
83 	dns_rdata_toregion(rdata2, &r2);
84 	return (isc_region_compare(&r1, &r2));
85 }
86 
87 static inline isc_result_t
fromstruct_dlv(ARGS_FROMSTRUCT)88 fromstruct_dlv(ARGS_FROMSTRUCT) {
89 
90 	REQUIRE(type == dns_rdatatype_dlv);
91 
92 	return (generic_fromstruct_ds(rdclass, type, source, target));
93 }
94 
95 static inline isc_result_t
tostruct_dlv(ARGS_TOSTRUCT)96 tostruct_dlv(ARGS_TOSTRUCT) {
97 	dns_rdata_dlv_t *dlv = target;
98 
99 	REQUIRE(rdata->type == dns_rdatatype_dlv);
100 
101 	dlv->common.rdclass = rdata->rdclass;
102 	dlv->common.rdtype = rdata->type;
103 	ISC_LINK_INIT(&dlv->common, link);
104 
105 	return (generic_tostruct_ds(rdata, target, mctx));
106 }
107 
108 static inline void
freestruct_dlv(ARGS_FREESTRUCT)109 freestruct_dlv(ARGS_FREESTRUCT) {
110 	dns_rdata_dlv_t *dlv = source;
111 
112 	REQUIRE(dlv != NULL);
113 	REQUIRE(dlv->common.rdtype == dns_rdatatype_dlv);
114 
115 	if (dlv->mctx == NULL)
116 		return;
117 
118 	if (dlv->digest != NULL)
119 		isc_mem_free(dlv->mctx, dlv->digest);
120 	dlv->mctx = NULL;
121 }
122 
123 static inline isc_result_t
additionaldata_dlv(ARGS_ADDLDATA)124 additionaldata_dlv(ARGS_ADDLDATA) {
125 	REQUIRE(rdata->type == dns_rdatatype_dlv);
126 
127 	UNUSED(rdata);
128 	UNUSED(add);
129 	UNUSED(arg);
130 
131 	return (ISC_R_SUCCESS);
132 }
133 
134 static inline isc_result_t
digest_dlv(ARGS_DIGEST)135 digest_dlv(ARGS_DIGEST) {
136 	isc_region_t r;
137 
138 	REQUIRE(rdata->type == dns_rdatatype_dlv);
139 
140 	dns_rdata_toregion(rdata, &r);
141 
142 	return ((digest)(arg, &r));
143 }
144 
145 static inline isc_boolean_t
checkowner_dlv(ARGS_CHECKOWNER)146 checkowner_dlv(ARGS_CHECKOWNER) {
147 
148 	REQUIRE(type == dns_rdatatype_dlv);
149 
150 	UNUSED(name);
151 	UNUSED(type);
152 	UNUSED(rdclass);
153 	UNUSED(wildcard);
154 
155 	return (ISC_TRUE);
156 }
157 
158 static inline isc_boolean_t
checknames_dlv(ARGS_CHECKNAMES)159 checknames_dlv(ARGS_CHECKNAMES) {
160 
161 	REQUIRE(rdata->type == dns_rdatatype_dlv);
162 
163 	UNUSED(rdata);
164 	UNUSED(owner);
165 	UNUSED(bad);
166 
167 	return (ISC_TRUE);
168 }
169 
170 static inline int
casecompare_dlv(ARGS_COMPARE)171 casecompare_dlv(ARGS_COMPARE) {
172 	return (compare_dlv(rdata1, rdata2));
173 }
174 
175 #endif	/* RDATA_GENERIC_DLV_32769_C */
176