/contrib/bind9/lib/dns/rdata/generic/gpos_27.c

  1/*
  2 * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  3 * Copyright (C) 1999-2002  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: gpos_27.c,v 1.43 2009/12/04 22:06:37 tbox Exp $ */
 19
 20/* reviewed: Wed Mar 15 16:48:45 PST 2000 by brister */
 21
 22/* RFC1712 */
 23
 24#ifndef RDATA_GENERIC_GPOS_27_C
 25#define RDATA_GENERIC_GPOS_27_C
 26
 27#define RRTYPE_GPOS_ATTRIBUTES (0)
 28
 29static inline isc_result_t
 30fromtext_gpos(ARGS_FROMTEXT) {
 31	isc_token_t token;
 32	int i;
 33
 34	REQUIRE(type == 27);
 35
 36	UNUSED(type);
 37	UNUSED(rdclass);
 38	UNUSED(origin);
 39	UNUSED(options);
 40	UNUSED(callbacks);
 41
 42	for (i = 0; i < 3; i++) {
 43		RETERR(isc_lex_getmastertoken(lexer, &token,
 44					      isc_tokentype_qstring,
 45					      ISC_FALSE));
 46		RETTOK(txt_fromtext(&token.value.as_textregion, target));
 47	}
 48	return (ISC_R_SUCCESS);
 49}
 50
 51static inline isc_result_t
 52totext_gpos(ARGS_TOTEXT) {
 53	isc_region_t region;
 54	int i;
 55
 56	REQUIRE(rdata->type == 27);
 57	REQUIRE(rdata->length != 0);
 58
 59	UNUSED(tctx);
 60
 61	dns_rdata_toregion(rdata, &region);
 62
 63	for (i = 0; i < 3; i++) {
 64		RETERR(txt_totext(&region, target));
 65		if (i != 2)
 66			RETERR(str_totext(" ", target));
 67	}
 68
 69	return (ISC_R_SUCCESS);
 70}
 71
 72static inline isc_result_t
 73fromwire_gpos(ARGS_FROMWIRE) {
 74	int i;
 75
 76	REQUIRE(type == 27);
 77
 78	UNUSED(type);
 79	UNUSED(dctx);
 80	UNUSED(rdclass);
 81	UNUSED(options);
 82
 83	for (i = 0; i < 3; i++)
 84		RETERR(txt_fromwire(source, target));
 85	return (ISC_R_SUCCESS);
 86}
 87
 88static inline isc_result_t
 89towire_gpos(ARGS_TOWIRE) {
 90
 91	REQUIRE(rdata->type == 27);
 92	REQUIRE(rdata->length != 0);
 93
 94	UNUSED(cctx);
 95
 96	return (mem_tobuffer(target, rdata->data, rdata->length));
 97}
 98
 99static inline int
100compare_gpos(ARGS_COMPARE) {
101	isc_region_t r1;
102	isc_region_t r2;
103
104	REQUIRE(rdata1->type == rdata2->type);
105	REQUIRE(rdata1->rdclass == rdata2->rdclass);
106	REQUIRE(rdata1->type == 27);
107	REQUIRE(rdata1->length != 0);
108	REQUIRE(rdata2->length != 0);
109
110	dns_rdata_toregion(rdata1, &r1);
111	dns_rdata_toregion(rdata2, &r2);
112	return (isc_region_compare(&r1, &r2));
113}
114
115static inline isc_result_t
116fromstruct_gpos(ARGS_FROMSTRUCT) {
117	dns_rdata_gpos_t *gpos = source;
118
119	REQUIRE(type == 27);
120	REQUIRE(source != NULL);
121	REQUIRE(gpos->common.rdtype == type);
122	REQUIRE(gpos->common.rdclass == rdclass);
123
124	UNUSED(type);
125	UNUSED(rdclass);
126
127	RETERR(uint8_tobuffer(gpos->long_len, target));
128	RETERR(mem_tobuffer(target, gpos->longitude, gpos->long_len));
129	RETERR(uint8_tobuffer(gpos->lat_len, target));
130	RETERR(mem_tobuffer(target, gpos->latitude, gpos->lat_len));
131	RETERR(uint8_tobuffer(gpos->alt_len, target));
132	return (mem_tobuffer(target, gpos->altitude, gpos->alt_len));
133}
134
135static inline isc_result_t
136tostruct_gpos(ARGS_TOSTRUCT) {
137	dns_rdata_gpos_t *gpos = target;
138	isc_region_t region;
139
140	REQUIRE(rdata->type == 27);
141	REQUIRE(target != NULL);
142	REQUIRE(rdata->length != 0);
143
144	gpos->common.rdclass = rdata->rdclass;
145	gpos->common.rdtype = rdata->type;
146	ISC_LINK_INIT(&gpos->common, link);
147
148	dns_rdata_toregion(rdata, &region);
149	gpos->long_len = uint8_fromregion(&region);
150	isc_region_consume(&region, 1);
151	gpos->longitude = mem_maybedup(mctx, region.base, gpos->long_len);
152	if (gpos->longitude == NULL)
153		return (ISC_R_NOMEMORY);
154	isc_region_consume(&region, gpos->long_len);
155
156	gpos->lat_len = uint8_fromregion(&region);
157	isc_region_consume(&region, 1);
158	gpos->latitude = mem_maybedup(mctx, region.base, gpos->lat_len);
159	if (gpos->latitude == NULL)
160		goto cleanup_longitude;
161	isc_region_consume(&region, gpos->lat_len);
162
163	gpos->alt_len = uint8_fromregion(&region);
164	isc_region_consume(&region, 1);
165	if (gpos->lat_len > 0) {
166		gpos->altitude =
167			mem_maybedup(mctx, region.base, gpos->alt_len);
168		if (gpos->altitude == NULL)
169			goto cleanup_latitude;
170	} else
171		gpos->altitude = NULL;
172
173	gpos->mctx = mctx;
174	return (ISC_R_SUCCESS);
175
176 cleanup_latitude:
177	if (mctx != NULL && gpos->longitude != NULL)
178		isc_mem_free(mctx, gpos->longitude);
179
180 cleanup_longitude:
181	if (mctx != NULL && gpos->latitude != NULL)
182		isc_mem_free(mctx, gpos->latitude);
183	return (ISC_R_NOMEMORY);
184}
185
186static inline void
187freestruct_gpos(ARGS_FREESTRUCT) {
188	dns_rdata_gpos_t *gpos = source;
189
190	REQUIRE(source != NULL);
191	REQUIRE(gpos->common.rdtype == 27);
192
193	if (gpos->mctx == NULL)
194		return;
195
196	if (gpos->longitude != NULL)
197		isc_mem_free(gpos->mctx, gpos->longitude);
198	if (gpos->latitude != NULL)
199		isc_mem_free(gpos->mctx, gpos->latitude);
200	if (gpos->altitude != NULL)
201		isc_mem_free(gpos->mctx, gpos->altitude);
202	gpos->mctx = NULL;
203}
204
205static inline isc_result_t
206additionaldata_gpos(ARGS_ADDLDATA) {
207	REQUIRE(rdata->type == 27);
208
209	UNUSED(rdata);
210	UNUSED(add);
211	UNUSED(arg);
212
213	return (ISC_R_SUCCESS);
214}
215
216static inline isc_result_t
217digest_gpos(ARGS_DIGEST) {
218	isc_region_t r;
219
220	REQUIRE(rdata->type == 27);
221
222	dns_rdata_toregion(rdata, &r);
223
224	return ((digest)(arg, &r));
225}
226
227static inline isc_boolean_t
228checkowner_gpos(ARGS_CHECKOWNER) {
229
230	REQUIRE(type == 27);
231
232	UNUSED(name);
233	UNUSED(type);
234	UNUSED(rdclass);
235	UNUSED(wildcard);
236
237	return (ISC_TRUE);
238}
239
240static inline isc_boolean_t
241checknames_gpos(ARGS_CHECKNAMES) {
242
243	REQUIRE(rdata->type == 27);
244
245	UNUSED(rdata);
246	UNUSED(owner);
247	UNUSED(bad);
248
249	return (ISC_TRUE);
250}
251
252static inline int
253casecompare_gpos(ARGS_COMPARE) {
254	return (compare_gpos(rdata1, rdata2));
255}
256
257#endif	/* RDATA_GENERIC_GPOS_27_C */