/src/bind9/lib/dns/rdata/generic/lp_107.c
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1 | | /* |
2 | | * Copyright (C) Internet Systems Consortium, Inc. ("ISC") |
3 | | * |
4 | | * SPDX-License-Identifier: MPL-2.0 |
5 | | * |
6 | | * This Source Code Form is subject to the terms of the Mozilla Public |
7 | | * License, v. 2.0. If a copy of the MPL was not distributed with this |
8 | | * file, you can obtain one at https://mozilla.org/MPL/2.0/. |
9 | | * |
10 | | * See the COPYRIGHT file distributed with this work for additional |
11 | | * information regarding copyright ownership. |
12 | | */ |
13 | | |
14 | | #ifndef RDATA_GENERIC_LP_107_C |
15 | | #define RDATA_GENERIC_LP_107_C |
16 | | |
17 | | #include <string.h> |
18 | | |
19 | | #include <isc/net.h> |
20 | | |
21 | 15.3k | #define RRTYPE_LP_ATTRIBUTES (0) |
22 | | |
23 | | static inline isc_result_t |
24 | 611 | fromtext_lp(ARGS_FROMTEXT) { |
25 | 611 | isc_token_t token; |
26 | 611 | dns_name_t name; |
27 | 611 | isc_buffer_t buffer; |
28 | | |
29 | 611 | REQUIRE(type == dns_rdatatype_lp); |
30 | | |
31 | 611 | UNUSED(type); |
32 | 611 | UNUSED(rdclass); |
33 | 611 | UNUSED(callbacks); |
34 | | |
35 | 611 | RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number, |
36 | 611 | false)); |
37 | 604 | if (token.value.as_ulong > 0xffffU) { |
38 | 7 | RETTOK(ISC_R_RANGE); |
39 | 7 | } |
40 | 597 | RETERR(uint16_tobuffer(token.value.as_ulong, target)); |
41 | | |
42 | 597 | RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string, |
43 | 597 | false)); |
44 | | |
45 | 575 | dns_name_init(&name, NULL); |
46 | 575 | buffer_fromregion(&buffer, &token.value.as_region); |
47 | 575 | if (origin == NULL) { |
48 | 1 | origin = dns_rootname; |
49 | 1 | } |
50 | 575 | return (dns_name_fromtext(&name, &buffer, origin, options, target)); |
51 | 597 | } |
52 | | |
53 | | static inline isc_result_t |
54 | 2.47k | totext_lp(ARGS_TOTEXT) { |
55 | 2.47k | isc_region_t region; |
56 | 2.47k | dns_name_t name; |
57 | 2.47k | dns_name_t prefix; |
58 | 2.47k | bool sub; |
59 | 2.47k | char buf[sizeof("64000")]; |
60 | 2.47k | unsigned short num; |
61 | | |
62 | 2.47k | REQUIRE(rdata->type == dns_rdatatype_lp); |
63 | 2.47k | REQUIRE(rdata->length != 0); |
64 | | |
65 | 0 | dns_name_init(&name, NULL); |
66 | 2.47k | dns_name_init(&prefix, NULL); |
67 | | |
68 | 2.47k | dns_rdata_toregion(rdata, ®ion); |
69 | 2.47k | num = uint16_fromregion(®ion); |
70 | 2.47k | isc_region_consume(®ion, 2); |
71 | 0 | snprintf(buf, sizeof(buf), "%u", num); |
72 | 2.47k | RETERR(str_totext(buf, target)); |
73 | | |
74 | 2.47k | RETERR(str_totext(" ", target)); |
75 | | |
76 | 2.47k | dns_name_fromregion(&name, ®ion); |
77 | 2.47k | sub = name_prefix(&name, tctx->origin, &prefix); |
78 | 2.47k | return (dns_name_totext(&prefix, sub, target)); |
79 | 2.47k | } |
80 | | |
81 | | static inline isc_result_t |
82 | 2.67k | fromwire_lp(ARGS_FROMWIRE) { |
83 | 2.67k | dns_name_t name; |
84 | 2.67k | isc_region_t sregion; |
85 | | |
86 | 2.67k | REQUIRE(type == dns_rdatatype_lp); |
87 | | |
88 | 2.67k | UNUSED(type); |
89 | 2.67k | UNUSED(rdclass); |
90 | | |
91 | 2.67k | dns_decompress_setmethods(dctx, DNS_COMPRESS_GLOBAL14); |
92 | | |
93 | 2.67k | dns_name_init(&name, NULL); |
94 | | |
95 | 2.67k | isc_buffer_activeregion(source, &sregion); |
96 | 2.67k | if (sregion.length < 2) { |
97 | 11 | return (ISC_R_UNEXPECTEDEND); |
98 | 11 | } |
99 | 2.66k | RETERR(mem_tobuffer(target, sregion.base, 2)); |
100 | 2.59k | isc_buffer_forward(source, 2); |
101 | 2.59k | return (dns_name_fromwire(&name, source, dctx, options, target)); |
102 | 2.66k | } |
103 | | |
104 | | static inline isc_result_t |
105 | 1.11k | towire_lp(ARGS_TOWIRE) { |
106 | 1.11k | REQUIRE(rdata->type == dns_rdatatype_lp); |
107 | 1.11k | REQUIRE(rdata->length != 0); |
108 | | |
109 | 1.11k | UNUSED(cctx); |
110 | | |
111 | 1.11k | return (mem_tobuffer(target, rdata->data, rdata->length)); |
112 | 1.11k | } |
113 | | |
114 | | static inline int |
115 | 2.01k | compare_lp(ARGS_COMPARE) { |
116 | 2.01k | isc_region_t region1; |
117 | 2.01k | isc_region_t region2; |
118 | | |
119 | 2.01k | REQUIRE(rdata1->type == rdata2->type); |
120 | 2.01k | REQUIRE(rdata1->rdclass == rdata2->rdclass); |
121 | 2.01k | REQUIRE(rdata1->type == dns_rdatatype_lp); |
122 | 2.01k | REQUIRE(rdata1->length != 0); |
123 | 2.01k | REQUIRE(rdata2->length != 0); |
124 | | |
125 | 0 | dns_rdata_toregion(rdata1, ®ion1); |
126 | 2.01k | dns_rdata_toregion(rdata2, ®ion2); |
127 | | |
128 | 2.01k | return (isc_region_compare(®ion1, ®ion2)); |
129 | 2.01k | } |
130 | | |
131 | | static inline isc_result_t |
132 | 0 | fromstruct_lp(ARGS_FROMSTRUCT) { |
133 | 0 | dns_rdata_lp_t *lp = source; |
134 | 0 | isc_region_t region; |
135 | |
|
136 | 0 | REQUIRE(type == dns_rdatatype_lp); |
137 | 0 | REQUIRE(lp != NULL); |
138 | 0 | REQUIRE(lp->common.rdtype == type); |
139 | 0 | REQUIRE(lp->common.rdclass == rdclass); |
140 | | |
141 | 0 | UNUSED(type); |
142 | 0 | UNUSED(rdclass); |
143 | |
|
144 | 0 | RETERR(uint16_tobuffer(lp->pref, target)); |
145 | 0 | dns_name_toregion(&lp->lp, ®ion); |
146 | 0 | return (isc_buffer_copyregion(target, ®ion)); |
147 | 0 | } |
148 | | |
149 | | static inline isc_result_t |
150 | 0 | tostruct_lp(ARGS_TOSTRUCT) { |
151 | 0 | isc_region_t region; |
152 | 0 | dns_rdata_lp_t *lp = target; |
153 | 0 | dns_name_t name; |
154 | |
|
155 | 0 | REQUIRE(rdata->type == dns_rdatatype_lp); |
156 | 0 | REQUIRE(lp != NULL); |
157 | 0 | REQUIRE(rdata->length != 0); |
158 | | |
159 | 0 | lp->common.rdclass = rdata->rdclass; |
160 | 0 | lp->common.rdtype = rdata->type; |
161 | 0 | ISC_LINK_INIT(&lp->common, link); |
162 | |
|
163 | 0 | dns_name_init(&name, NULL); |
164 | 0 | dns_rdata_toregion(rdata, ®ion); |
165 | 0 | lp->pref = uint16_fromregion(®ion); |
166 | 0 | isc_region_consume(®ion, 2); |
167 | 0 | dns_name_fromregion(&name, ®ion); |
168 | 0 | dns_name_init(&lp->lp, NULL); |
169 | 0 | name_duporclone(&name, mctx, &lp->lp); |
170 | 0 | lp->mctx = mctx; |
171 | 0 | return (ISC_R_SUCCESS); |
172 | 0 | } |
173 | | |
174 | | static inline void |
175 | 0 | freestruct_lp(ARGS_FREESTRUCT) { |
176 | 0 | dns_rdata_lp_t *lp = source; |
177 | |
|
178 | 0 | REQUIRE(lp != NULL); |
179 | 0 | REQUIRE(lp->common.rdtype == dns_rdatatype_lp); |
180 | | |
181 | 0 | if (lp->mctx == NULL) { |
182 | 0 | return; |
183 | 0 | } |
184 | | |
185 | 0 | dns_name_free(&lp->lp, lp->mctx); |
186 | 0 | lp->mctx = NULL; |
187 | 0 | } |
188 | | |
189 | | static inline isc_result_t |
190 | 0 | additionaldata_lp(ARGS_ADDLDATA) { |
191 | 0 | dns_name_t name; |
192 | 0 | dns_offsets_t offsets; |
193 | 0 | isc_region_t region; |
194 | 0 | isc_result_t result; |
195 | |
|
196 | 0 | REQUIRE(rdata->type == dns_rdatatype_lp); |
197 | | |
198 | 0 | UNUSED(owner); |
199 | |
|
200 | 0 | dns_name_init(&name, offsets); |
201 | 0 | dns_rdata_toregion(rdata, ®ion); |
202 | 0 | isc_region_consume(®ion, 2); |
203 | 0 | dns_name_fromregion(&name, ®ion); |
204 | |
|
205 | 0 | result = (add)(arg, &name, dns_rdatatype_l32, NULL); |
206 | 0 | if (result != ISC_R_SUCCESS) { |
207 | 0 | return (result); |
208 | 0 | } |
209 | 0 | return ((add)(arg, &name, dns_rdatatype_l64, NULL)); |
210 | 0 | } |
211 | | |
212 | | static inline isc_result_t |
213 | 0 | digest_lp(ARGS_DIGEST) { |
214 | 0 | isc_region_t region; |
215 | |
|
216 | 0 | REQUIRE(rdata->type == dns_rdatatype_lp); |
217 | | |
218 | 0 | dns_rdata_toregion(rdata, ®ion); |
219 | 0 | return ((digest)(arg, ®ion)); |
220 | 0 | } |
221 | | |
222 | | static inline bool |
223 | 0 | checkowner_lp(ARGS_CHECKOWNER) { |
224 | 0 | REQUIRE(type == dns_rdatatype_lp); |
225 | | |
226 | 0 | UNUSED(type); |
227 | 0 | UNUSED(rdclass); |
228 | 0 | UNUSED(name); |
229 | 0 | UNUSED(wildcard); |
230 | |
|
231 | 0 | return (true); |
232 | 0 | } |
233 | | |
234 | | static inline bool |
235 | 0 | checknames_lp(ARGS_CHECKNAMES) { |
236 | 0 | REQUIRE(rdata->type == dns_rdatatype_lp); |
237 | | |
238 | 0 | UNUSED(bad); |
239 | 0 | UNUSED(owner); |
240 | |
|
241 | 0 | return (true); |
242 | 0 | } |
243 | | |
244 | | static inline int |
245 | 0 | casecompare_lp(ARGS_COMPARE) { |
246 | 0 | dns_name_t name1; |
247 | 0 | dns_name_t name2; |
248 | 0 | isc_region_t region1; |
249 | 0 | isc_region_t region2; |
250 | 0 | int order; |
251 | |
|
252 | 0 | REQUIRE(rdata1->type == rdata2->type); |
253 | 0 | REQUIRE(rdata1->rdclass == rdata2->rdclass); |
254 | 0 | REQUIRE(rdata1->type == dns_rdatatype_lp); |
255 | 0 | REQUIRE(rdata1->length != 0); |
256 | 0 | REQUIRE(rdata2->length != 0); |
257 | | |
258 | 0 | order = memcmp(rdata1->data, rdata2->data, 2); |
259 | 0 | if (order != 0) { |
260 | 0 | return (order < 0 ? -1 : 1); |
261 | 0 | } |
262 | | |
263 | 0 | dns_name_init(&name1, NULL); |
264 | 0 | dns_name_init(&name2, NULL); |
265 | |
|
266 | 0 | dns_rdata_toregion(rdata1, ®ion1); |
267 | 0 | dns_rdata_toregion(rdata2, ®ion2); |
268 | |
|
269 | 0 | isc_region_consume(®ion1, 2); |
270 | 0 | isc_region_consume(®ion2, 2); |
271 | | |
272 | 0 | dns_name_fromregion(&name1, ®ion1); |
273 | 0 | dns_name_fromregion(&name2, ®ion2); |
274 | |
|
275 | 0 | return (dns_name_rdatacompare(&name1, &name2)); |
276 | 0 | } |
277 | | |
278 | | #endif /* RDATA_GENERIC_LP_107_C */ |