external/bsd/bind/dist/lib/dns/rdata/generic/gpos_27.c

   1 /*      $NetBSD: gpos_27.c,v 1.4 2014/12/10 04:37:59 christos Exp $     */
   2
   3 /*
   4  * Copyright (C) 2004, 2005, 2007, 2009, 2014  Internet Systems Consortium, Inc. ("ISC")
   5  * Copyright (C) 1999-2002  Internet Software Consortium.
   6  *
   7  * Permission to use, copy, modify, and/or distribute this software for any
   8  * purpose with or without fee is hereby granted, provided that the above
   9  * copyright notice and this permission notice appear in all copies.
  10  *
  11  * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
  12  * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
  13  * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
  14  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
  15  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
  16  * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  17  * PERFORMANCE OF THIS SOFTWARE.
  18  */
  19
  20 /* Id: gpos_27.c,v 1.43 2009/12/04 22:06:37 tbox Exp  */
  21
  22 /* reviewed: Wed Mar 15 16:48:45 PST 2000 by brister */
  23
  24 /* RFC1712 */
  25
  26 #ifndef RDATA_GENERIC_GPOS_27_C
  27 #define RDATA_GENERIC_GPOS_27_C
  28
  29 #define RRTYPE_GPOS_ATTRIBUTES (0)
  30
  31 static inline isc_result_t
  32 fromtext_gpos(ARGS_FROMTEXT) {
  33         isc_token_t token;
  34         int i;
  35
  36         REQUIRE(type == 27);
  37
  38         UNUSED(type);
  39         UNUSED(rdclass);
  40         UNUSED(origin);
  41         UNUSED(options);
  42         UNUSED(callbacks);
  43
  44         for (i = 0; i < 3; i++) {
  45                 RETERR(isc_lex_getmastertoken(lexer, &token,
  46                                               isc_tokentype_qstring,
  47                                               ISC_FALSE));
  48                 RETTOK(txt_fromtext(&token.value.as_textregion, target));
  49         }
  50         return (ISC_R_SUCCESS);
  51 }
  52
  53 static inline isc_result_t
  54 totext_gpos(ARGS_TOTEXT) {
  55         isc_region_t region;
  56         int i;
  57
  58         REQUIRE(rdata->type == 27);
  59         REQUIRE(rdata->length != 0);
  60
  61         UNUSED(tctx);
  62
  63         dns_rdata_toregion(rdata, &region);
  64
  65         for (i = 0; i < 3; i++) {
  66                 RETERR(txt_totext(&region, ISC_TRUE, target));
  67                 if (i != 2)
  68                         RETERR(str_totext(" ", target));
  69         }
  70
  71         return (ISC_R_SUCCESS);
  72 }
  73
  74 static inline isc_result_t
  75 fromwire_gpos(ARGS_FROMWIRE) {
  76         int i;
  77
  78         REQUIRE(type == 27);
  79
  80         UNUSED(type);
  81         UNUSED(dctx);
  82         UNUSED(rdclass);
  83         UNUSED(options);
  84
  85         for (i = 0; i < 3; i++)
  86                 RETERR(txt_fromwire(source, target));
  87         return (ISC_R_SUCCESS);
  88 }
  89
  90 static inline isc_result_t
  91 towire_gpos(ARGS_TOWIRE) {
  92
  93         REQUIRE(rdata->type == 27);
  94         REQUIRE(rdata->length != 0);
  95
  96         UNUSED(cctx);
  97
  98         return (mem_tobuffer(target, rdata->data, rdata->length));
  99 }
 100
 101 static inline int
 102 compare_gpos(ARGS_COMPARE) {
 103         isc_region_t r1;
 104         isc_region_t r2;
 105
 106         REQUIRE(rdata1->type == rdata2->type);
 107         REQUIRE(rdata1->rdclass == rdata2->rdclass);
 108         REQUIRE(rdata1->type == 27);
 109         REQUIRE(rdata1->length != 0);
 110         REQUIRE(rdata2->length != 0);
 111
 112         dns_rdata_toregion(rdata1, &r1);
 113         dns_rdata_toregion(rdata2, &r2);
 114         return (isc_region_compare(&r1, &r2));
 115 }
 116
 117 static inline isc_result_t
 118 fromstruct_gpos(ARGS_FROMSTRUCT) {
 119         dns_rdata_gpos_t *gpos = source;
 120
 121         REQUIRE(type == 27);
 122         REQUIRE(source != NULL);
 123         REQUIRE(gpos->common.rdtype == type);
 124         REQUIRE(gpos->common.rdclass == rdclass);
 125
 126         UNUSED(type);
 127         UNUSED(rdclass);
 128
 129         RETERR(uint8_tobuffer(gpos->long_len, target));
 130         RETERR(mem_tobuffer(target, gpos->longitude, gpos->long_len));
 131         RETERR(uint8_tobuffer(gpos->lat_len, target));
 132         RETERR(mem_tobuffer(target, gpos->latitude, gpos->lat_len));
 133         RETERR(uint8_tobuffer(gpos->alt_len, target));
 134         return (mem_tobuffer(target, gpos->altitude, gpos->alt_len));
 135 }
 136
 137 static inline isc_result_t
 138 tostruct_gpos(ARGS_TOSTRUCT) {
 139         dns_rdata_gpos_t *gpos = target;
 140         isc_region_t region;
 141
 142         REQUIRE(rdata->type == 27);
 143         REQUIRE(target != NULL);
 144         REQUIRE(rdata->length != 0);
 145
 146         gpos->common.rdclass = rdata->rdclass;
 147         gpos->common.rdtype = rdata->type;
 148         ISC_LINK_INIT(&gpos->common, link);
 149
 150         dns_rdata_toregion(rdata, &region);
 151         gpos->long_len = uint8_fromregion(&region);
 152         isc_region_consume(&region, 1);
 153         gpos->longitude = mem_maybedup(mctx, region.base, gpos->long_len);
 154         if (gpos->longitude == NULL)
 155                 return (ISC_R_NOMEMORY);
 156         isc_region_consume(&region, gpos->long_len);
 157
 158         gpos->lat_len = uint8_fromregion(&region);
 159         isc_region_consume(&region, 1);
 160         gpos->latitude = mem_maybedup(mctx, region.base, gpos->lat_len);
 161         if (gpos->latitude == NULL)
 162                 goto cleanup_longitude;
 163         isc_region_consume(&region, gpos->lat_len);
 164
 165         gpos->alt_len = uint8_fromregion(&region);
 166         isc_region_consume(&region, 1);
 167         if (gpos->lat_len > 0) {
 168                 gpos->altitude =
 169                         mem_maybedup(mctx, region.base, gpos->alt_len);
 170                 if (gpos->altitude == NULL)
 171                         goto cleanup_latitude;
 172         } else
 173                 gpos->altitude = NULL;
 174
 175         gpos->mctx = mctx;
 176         return (ISC_R_SUCCESS);
 177
 178  cleanup_latitude:
 179         if (mctx != NULL && gpos->longitude != NULL)
 180                 isc_mem_free(mctx, gpos->longitude);
 181
 182  cleanup_longitude:
 183         if (mctx != NULL && gpos->latitude != NULL)
 184                 isc_mem_free(mctx, gpos->latitude);
 185         return (ISC_R_NOMEMORY);
 186 }
 187
 188 static inline void
 189 freestruct_gpos(ARGS_FREESTRUCT) {
 190         dns_rdata_gpos_t *gpos = source;
 191
 192         REQUIRE(source != NULL);
 193         REQUIRE(gpos->common.rdtype == 27);
 194
 195         if (gpos->mctx == NULL)
 196                 return;
 197
 198         if (gpos->longitude != NULL)
 199                 isc_mem_free(gpos->mctx, gpos->longitude);
 200         if (gpos->latitude != NULL)
 201                 isc_mem_free(gpos->mctx, gpos->latitude);
 202         if (gpos->altitude != NULL)
 203                 isc_mem_free(gpos->mctx, gpos->altitude);
 204         gpos->mctx = NULL;
 205 }
 206
 207 static inline isc_result_t
 208 additionaldata_gpos(ARGS_ADDLDATA) {
 209         REQUIRE(rdata->type == 27);
 210
 211         UNUSED(rdata);
 212         UNUSED(add);
 213         UNUSED(arg);
 214
 215         return (ISC_R_SUCCESS);
 216 }
 217
 218 static inline isc_result_t
 219 digest_gpos(ARGS_DIGEST) {
 220         isc_region_t r;
 221
 222         REQUIRE(rdata->type == 27);
 223
 224         dns_rdata_toregion(rdata, &r);
 225
 226         return ((digest)(arg, &r));
 227 }
 228
 229 static inline isc_boolean_t
 230 checkowner_gpos(ARGS_CHECKOWNER) {
 231
 232         REQUIRE(type == 27);
 233
 234         UNUSED(name);
 235         UNUSED(type);
 236         UNUSED(rdclass);
 237         UNUSED(wildcard);
 238
 239         return (ISC_TRUE);
 240 }
 241
 242 static inline isc_boolean_t
 243 checknames_gpos(ARGS_CHECKNAMES) {
 244
 245         REQUIRE(rdata->type == 27);
 246
 247         UNUSED(rdata);
 248         UNUSED(owner);
 249         UNUSED(bad);
 250
 251         return (ISC_TRUE);
 252 }
 253
 254 static inline int
 255 casecompare_gpos(ARGS_COMPARE) {
 256         return (compare_gpos(rdata1, rdata2));
 257 }
 258
 259 #endif  /* RDATA_GENERIC_GPOS_27_C */