1 /*
2 * Copyright (C) 2004, 2005, 2007, 2009, 2015 Internet Systems Consortium, Inc. ("ISC")
3 * Copyright (C) 1999-2001 Internet Software Consortium.
4 *
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
10 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
11 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
12 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
13 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
14 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
15 * PERFORMANCE OF THIS SOFTWARE.
16 */
17
18 /* $Id: rp_17.c,v 1.44 2009/12/04 22:06:37 tbox Exp $ */
19
20 /* RFC1183 */
21
22 #ifndef RDATA_GENERIC_RP_17_C
23 #define RDATA_GENERIC_RP_17_C
24
25 #define RRTYPE_RP_ATTRIBUTES (0)
26
27 static inline isc_result_t
fromtext_rp(ARGS_FROMTEXT)28 fromtext_rp(ARGS_FROMTEXT) {
29 isc_token_t token;
30 dns_name_t name;
31 isc_buffer_t buffer;
32 int i;
33 isc_boolean_t ok;
34
35 REQUIRE(type == dns_rdatatype_rp);
36
37 UNUSED(type);
38 UNUSED(rdclass);
39 UNUSED(callbacks);
40
41 if (origin == NULL)
42 origin = dns_rootname;
43
44 for (i = 0; i < 2; i++) {
45 RETERR(isc_lex_getmastertoken(lexer, &token,
46 isc_tokentype_string,
47 ISC_FALSE));
48 dns_name_init(&name, NULL);
49 buffer_fromregion(&buffer, &token.value.as_region);
50 RETTOK(dns_name_fromtext(&name, &buffer, origin,
51 options, target));
52 ok = ISC_TRUE;
53 if ((options & DNS_RDATA_CHECKNAMES) != 0 && i == 0)
54 ok = dns_name_ismailbox(&name);
55 if (!ok && (options & DNS_RDATA_CHECKNAMESFAIL) != 0)
56 RETTOK(DNS_R_BADNAME);
57 if (!ok && callbacks != NULL)
58 warn_badname(&name, lexer, callbacks);
59 }
60 return (ISC_R_SUCCESS);
61 }
62
63 static inline isc_result_t
totext_rp(ARGS_TOTEXT)64 totext_rp(ARGS_TOTEXT) {
65 isc_region_t region;
66 dns_name_t rmail;
67 dns_name_t email;
68 dns_name_t prefix;
69 isc_boolean_t sub;
70
71 REQUIRE(rdata->type == dns_rdatatype_rp);
72 REQUIRE(rdata->length != 0);
73
74 dns_name_init(&rmail, NULL);
75 dns_name_init(&email, NULL);
76 dns_name_init(&prefix, NULL);
77
78 dns_rdata_toregion(rdata, ®ion);
79
80 dns_name_fromregion(&rmail, ®ion);
81 isc_region_consume(®ion, rmail.length);
82
83 dns_name_fromregion(&email, ®ion);
84 isc_region_consume(®ion, email.length);
85
86 sub = name_prefix(&rmail, tctx->origin, &prefix);
87 RETERR(dns_name_totext(&prefix, sub, target));
88
89 RETERR(str_totext(" ", target));
90
91 sub = name_prefix(&email, tctx->origin, &prefix);
92 return (dns_name_totext(&prefix, sub, target));
93 }
94
95 static inline isc_result_t
fromwire_rp(ARGS_FROMWIRE)96 fromwire_rp(ARGS_FROMWIRE) {
97 dns_name_t rmail;
98 dns_name_t email;
99
100 REQUIRE(type == dns_rdatatype_rp);
101
102 UNUSED(type);
103 UNUSED(rdclass);
104
105 dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE);
106
107 dns_name_init(&rmail, NULL);
108 dns_name_init(&email, NULL);
109
110 RETERR(dns_name_fromwire(&rmail, source, dctx, options, target));
111 return (dns_name_fromwire(&email, source, dctx, options, target));
112 }
113
114 static inline isc_result_t
towire_rp(ARGS_TOWIRE)115 towire_rp(ARGS_TOWIRE) {
116 isc_region_t region;
117 dns_name_t rmail;
118 dns_name_t email;
119 dns_offsets_t roffsets;
120 dns_offsets_t eoffsets;
121
122 REQUIRE(rdata->type == dns_rdatatype_rp);
123 REQUIRE(rdata->length != 0);
124
125 dns_compress_setmethods(cctx, DNS_COMPRESS_NONE);
126 dns_name_init(&rmail, roffsets);
127 dns_name_init(&email, eoffsets);
128
129 dns_rdata_toregion(rdata, ®ion);
130
131 dns_name_fromregion(&rmail, ®ion);
132 isc_region_consume(®ion, rmail.length);
133
134 RETERR(dns_name_towire(&rmail, cctx, target));
135
136 dns_name_fromregion(&rmail, ®ion);
137 isc_region_consume(®ion, rmail.length);
138
139 return (dns_name_towire(&rmail, cctx, target));
140 }
141
142 static inline int
compare_rp(ARGS_COMPARE)143 compare_rp(ARGS_COMPARE) {
144 isc_region_t region1;
145 isc_region_t region2;
146 dns_name_t name1;
147 dns_name_t name2;
148 int order;
149
150 REQUIRE(rdata1->type == rdata2->type);
151 REQUIRE(rdata1->rdclass == rdata2->rdclass);
152 REQUIRE(rdata1->type == dns_rdatatype_rp);
153 REQUIRE(rdata1->length != 0);
154 REQUIRE(rdata2->length != 0);
155
156 dns_name_init(&name1, NULL);
157 dns_name_init(&name2, NULL);
158
159 dns_rdata_toregion(rdata1, ®ion1);
160 dns_rdata_toregion(rdata2, ®ion2);
161
162 dns_name_fromregion(&name1, ®ion1);
163 dns_name_fromregion(&name2, ®ion2);
164
165 order = dns_name_rdatacompare(&name1, &name2);
166 if (order != 0)
167 return (order);
168
169 isc_region_consume(®ion1, name_length(&name1));
170 isc_region_consume(®ion2, name_length(&name2));
171
172 dns_name_init(&name1, NULL);
173 dns_name_init(&name2, NULL);
174
175 dns_name_fromregion(&name1, ®ion1);
176 dns_name_fromregion(&name2, ®ion2);
177
178 return (dns_name_rdatacompare(&name1, &name2));
179 }
180
181 static inline isc_result_t
fromstruct_rp(ARGS_FROMSTRUCT)182 fromstruct_rp(ARGS_FROMSTRUCT) {
183 dns_rdata_rp_t *rp = source;
184 isc_region_t region;
185
186 REQUIRE(type == dns_rdatatype_rp);
187 REQUIRE(source != NULL);
188 REQUIRE(rp->common.rdtype == type);
189 REQUIRE(rp->common.rdclass == rdclass);
190
191 UNUSED(type);
192 UNUSED(rdclass);
193
194 dns_name_toregion(&rp->mail, ®ion);
195 RETERR(isc_buffer_copyregion(target, ®ion));
196 dns_name_toregion(&rp->text, ®ion);
197 return (isc_buffer_copyregion(target, ®ion));
198 }
199
200 static inline isc_result_t
tostruct_rp(ARGS_TOSTRUCT)201 tostruct_rp(ARGS_TOSTRUCT) {
202 isc_result_t result;
203 isc_region_t region;
204 dns_rdata_rp_t *rp = target;
205 dns_name_t name;
206
207 REQUIRE(rdata->type == dns_rdatatype_rp);
208 REQUIRE(target != NULL);
209 REQUIRE(rdata->length != 0);
210
211 rp->common.rdclass = rdata->rdclass;
212 rp->common.rdtype = rdata->type;
213 ISC_LINK_INIT(&rp->common, link);
214
215 dns_name_init(&name, NULL);
216 dns_rdata_toregion(rdata, ®ion);
217 dns_name_fromregion(&name, ®ion);
218 dns_name_init(&rp->mail, NULL);
219 RETERR(name_duporclone(&name, mctx, &rp->mail));
220 isc_region_consume(®ion, name_length(&name));
221 dns_name_fromregion(&name, ®ion);
222 dns_name_init(&rp->text, NULL);
223 result = name_duporclone(&name, mctx, &rp->text);
224 if (result != ISC_R_SUCCESS)
225 goto cleanup;
226
227 rp->mctx = mctx;
228 return (ISC_R_SUCCESS);
229
230 cleanup:
231 if (mctx != NULL)
232 dns_name_free(&rp->mail, mctx);
233 return (ISC_R_NOMEMORY);
234 }
235
236 static inline void
freestruct_rp(ARGS_FREESTRUCT)237 freestruct_rp(ARGS_FREESTRUCT) {
238 dns_rdata_rp_t *rp = source;
239
240 REQUIRE(source != NULL);
241 REQUIRE(rp->common.rdtype == dns_rdatatype_rp);
242
243 if (rp->mctx == NULL)
244 return;
245
246 dns_name_free(&rp->mail, rp->mctx);
247 dns_name_free(&rp->text, rp->mctx);
248 rp->mctx = NULL;
249 }
250
251 static inline isc_result_t
additionaldata_rp(ARGS_ADDLDATA)252 additionaldata_rp(ARGS_ADDLDATA) {
253 REQUIRE(rdata->type == dns_rdatatype_rp);
254
255 UNUSED(rdata);
256 UNUSED(add);
257 UNUSED(arg);
258
259 return (ISC_R_SUCCESS);
260 }
261
262 static inline isc_result_t
digest_rp(ARGS_DIGEST)263 digest_rp(ARGS_DIGEST) {
264 isc_region_t r;
265 dns_name_t name;
266
267 REQUIRE(rdata->type == dns_rdatatype_rp);
268
269 dns_rdata_toregion(rdata, &r);
270 dns_name_init(&name, NULL);
271
272 dns_name_fromregion(&name, &r);
273 RETERR(dns_name_digest(&name, digest, arg));
274 isc_region_consume(&r, name_length(&name));
275
276 dns_name_init(&name, NULL);
277 dns_name_fromregion(&name, &r);
278
279 return (dns_name_digest(&name, digest, arg));
280 }
281
282 static inline isc_boolean_t
checkowner_rp(ARGS_CHECKOWNER)283 checkowner_rp(ARGS_CHECKOWNER) {
284
285 REQUIRE(type == dns_rdatatype_rp);
286
287 UNUSED(name);
288 UNUSED(type);
289 UNUSED(rdclass);
290 UNUSED(wildcard);
291
292 return (ISC_TRUE);
293 }
294
295 static inline isc_boolean_t
checknames_rp(ARGS_CHECKNAMES)296 checknames_rp(ARGS_CHECKNAMES) {
297 isc_region_t region;
298 dns_name_t name;
299
300 REQUIRE(rdata->type == dns_rdatatype_rp);
301
302 UNUSED(owner);
303
304 dns_rdata_toregion(rdata, ®ion);
305 dns_name_init(&name, NULL);
306 dns_name_fromregion(&name, ®ion);
307 if (!dns_name_ismailbox(&name)) {
308 if (bad != NULL)
309 dns_name_clone(&name, bad);
310 return (ISC_FALSE);
311 }
312 return (ISC_TRUE);
313 }
314
315 static inline int
casecompare_rp(ARGS_COMPARE)316 casecompare_rp(ARGS_COMPARE) {
317 return (compare_rp(rdata1, rdata2));
318 }
319 #endif /* RDATA_GENERIC_RP_17_C */
320