contrib/bind-9.5.2/lib/dns/rdata/in_1/dhcid_49.c

   1 /*
   2  * Copyright (C) 2006, 2007  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: dhcid_49.c,v 1.5 2007/06/19 23:47:17 tbox Exp $ */
  18
  19 /* RFC 4701 */
  20
  21 #ifndef RDATA_IN_1_DHCID_49_C
  22 #define RDATA_IN_1_DHCID_49_C 1
  23
  24 #define RRTYPE_DHCID_ATTRIBUTES 0
  25
  26 static inline isc_result_t
  27 fromtext_in_dhcid(ARGS_FROMTEXT) {
  28
  29         REQUIRE(type == 49);
  30         REQUIRE(rdclass == 1);
  31
  32         UNUSED(type);
  33         UNUSED(rdclass);
  34         UNUSED(origin);
  35         UNUSED(options);
  36         UNUSED(callbacks);
  37
  38         return (isc_base64_tobuffer(lexer, target, -1));
  39 }
  40
  41 static inline isc_result_t
  42 totext_in_dhcid(ARGS_TOTEXT) {
  43         isc_region_t sr;
  44         char buf[sizeof(" ; 64000 255 64000")];
  45         size_t n;
  46
  47         REQUIRE(rdata->type == 49);
  48         REQUIRE(rdata->rdclass == 1);
  49         REQUIRE(rdata->length != 0);
  50
  51         dns_rdata_toregion(rdata, &sr);
  52
  53         if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
  54                 RETERR(str_totext("( " /*)*/, target));
  55         RETERR(isc_base64_totext(&sr, tctx->width - 2, tctx->linebreak,
  56                                  target));
  57         if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0) {
  58                 RETERR(str_totext(/* ( */ " )", target));
  59                 if (rdata->length > 2) {
  60                         n = snprintf(buf, sizeof(buf), " ; %u %u %u",
  61                                      sr.base[0] * 256 + sr.base[1],
  62                                      sr.base[2], rdata->length - 3);
  63                         INSIST(n < sizeof(buf));
  64                         RETERR(str_totext(buf, target));
  65                 }
  66         }
  67         return (ISC_R_SUCCESS);
  68 }
  69
  70 static inline isc_result_t
  71 fromwire_in_dhcid(ARGS_FROMWIRE) {
  72         isc_region_t sr;
  73
  74         REQUIRE(type == 49);
  75         REQUIRE(rdclass == 1);
  76
  77         UNUSED(type);
  78         UNUSED(rdclass);
  79         UNUSED(dctx);
  80         UNUSED(options);
  81
  82         isc_buffer_activeregion(source, &sr);
  83         if (sr.length == 0)
  84                 return (ISC_R_UNEXPECTEDEND);
  85
  86         isc_buffer_forward(source, sr.length);
  87         return (mem_tobuffer(target, sr.base, sr.length));
  88 }
  89
  90 static inline isc_result_t
  91 towire_in_dhcid(ARGS_TOWIRE) {
  92         isc_region_t sr;
  93
  94         REQUIRE(rdata->type == 49);
  95         REQUIRE(rdata->rdclass == 1);
  96         REQUIRE(rdata->length != 0);
  97
  98         UNUSED(cctx);
  99
 100         dns_rdata_toregion(rdata, &sr);
 101         return (mem_tobuffer(target, sr.base, sr.length));
 102 }
 103
 104 static inline int
 105 compare_in_dhcid(ARGS_COMPARE) {
 106         isc_region_t r1;
 107         isc_region_t r2;
 108
 109         REQUIRE(rdata1->type == rdata2->type);
 110         REQUIRE(rdata1->rdclass == rdata2->rdclass);
 111         REQUIRE(rdata1->type == 49);
 112         REQUIRE(rdata1->rdclass == 1);
 113         REQUIRE(rdata1->length != 0);
 114         REQUIRE(rdata2->length != 0);
 115
 116         dns_rdata_toregion(rdata1, &r1);
 117         dns_rdata_toregion(rdata2, &r2);
 118         return (isc_region_compare(&r1, &r2));
 119 }
 120
 121 static inline isc_result_t
 122 fromstruct_in_dhcid(ARGS_FROMSTRUCT) {
 123         dns_rdata_in_dhcid_t *dhcid = source;
 124
 125         REQUIRE(type == 49);
 126         REQUIRE(rdclass == 1);
 127         REQUIRE(source != NULL);
 128         REQUIRE(dhcid->common.rdtype == type);
 129         REQUIRE(dhcid->common.rdclass == rdclass);
 130         REQUIRE(dhcid->length != 0);
 131
 132         UNUSED(type);
 133         UNUSED(rdclass);
 134
 135         return (mem_tobuffer(target, dhcid->dhcid, dhcid->length));
 136 }
 137
 138 static inline isc_result_t
 139 tostruct_in_dhcid(ARGS_TOSTRUCT) {
 140         dns_rdata_in_dhcid_t *dhcid = target;
 141         isc_region_t region;
 142
 143         REQUIRE(rdata->type == 49);
 144         REQUIRE(rdata->rdclass == 1);
 145         REQUIRE(target != NULL);
 146         REQUIRE(rdata->length != 0);
 147
 148         dhcid->common.rdclass = rdata->rdclass;
 149         dhcid->common.rdtype = rdata->type;
 150         ISC_LINK_INIT(&dhcid->common, link);
 151
 152         dns_rdata_toregion(rdata, &region);
 153
 154         dhcid->dhcid = mem_maybedup(mctx, region.base, region.length);
 155         if (dhcid->dhcid == NULL)
 156                 return (ISC_R_NOMEMORY);
 157
 158         dhcid->mctx = mctx;
 159         return (ISC_R_SUCCESS);
 160 }
 161
 162 static inline void
 163 freestruct_in_dhcid(ARGS_FREESTRUCT) {
 164         dns_rdata_in_dhcid_t *dhcid = source;
 165
 166         REQUIRE(dhcid != NULL);
 167         REQUIRE(dhcid->common.rdtype == 49);
 168         REQUIRE(dhcid->common.rdclass == 1);
 169
 170         if (dhcid->mctx == NULL)
 171                 return;
 172
 173         if (dhcid->dhcid != NULL)
 174                 isc_mem_free(dhcid->mctx, dhcid->dhcid);
 175         dhcid->mctx = NULL;
 176 }
 177
 178 static inline isc_result_t
 179 additionaldata_in_dhcid(ARGS_ADDLDATA) {
 180         REQUIRE(rdata->type == 49);
 181         REQUIRE(rdata->rdclass == 1);
 182
 183         UNUSED(rdata);
 184         UNUSED(add);
 185         UNUSED(arg);
 186
 187         return (ISC_R_SUCCESS);
 188 }
 189
 190 static inline isc_result_t
 191 digest_in_dhcid(ARGS_DIGEST) {
 192         isc_region_t r;
 193
 194         REQUIRE(rdata->type == 49);
 195         REQUIRE(rdata->rdclass == 1);
 196
 197         dns_rdata_toregion(rdata, &r);
 198
 199         return ((digest)(arg, &r));
 200 }
 201
 202 static inline isc_boolean_t
 203 checkowner_in_dhcid(ARGS_CHECKOWNER) {
 204
 205         REQUIRE(type == 49);
 206         REQUIRE(rdclass == 1);
 207
 208         UNUSED(name);
 209         UNUSED(type);
 210         UNUSED(rdclass);
 211         UNUSED(wildcard);
 212
 213         return (ISC_TRUE);
 214 }
 215
 216 static inline isc_boolean_t
 217 checknames_in_dhcid(ARGS_CHECKNAMES) {
 218
 219         REQUIRE(rdata->type == 49);
 220         REQUIRE(rdata->rdclass == 1);
 221
 222         UNUSED(rdata);
 223         UNUSED(owner);
 224         UNUSED(bad);
 225
 226         return (ISC_TRUE);
 227 }
 228
 229 #endif  /* RDATA_IN_1_DHCID_49_C */