external/bsd/bind/dist/lib/dns/rdata/generic/hinfo_13.c

   1 /*      $NetBSD: hinfo_13.c,v 1.4 2014/12/10 04:37:59 christos Exp $    */
   2
   3 /*
   4  * Copyright (C) 2004, 2007, 2009, 2014  Internet Systems Consortium, Inc. ("ISC")
   5  * Copyright (C) 1998-2002  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: hinfo_13.c,v 1.46 2009/12/04 22:06:37 tbox Exp  */
  21
  22 /*
  23  * Reviewed: Wed Mar 15 16:47:10 PST 2000 by halley.
  24  */
  25
  26 #ifndef RDATA_GENERIC_HINFO_13_C
  27 #define RDATA_GENERIC_HINFO_13_C
  28
  29 #define RRTYPE_HINFO_ATTRIBUTES (0)
  30
  31 static inline isc_result_t
  32 fromtext_hinfo(ARGS_FROMTEXT) {
  33         isc_token_t token;
  34         int i;
  35
  36         UNUSED(type);
  37         UNUSED(rdclass);
  38         UNUSED(origin);
  39         UNUSED(options);
  40         UNUSED(callbacks);
  41
  42         REQUIRE(type == 13);
  43
  44         for (i = 0; i < 2; 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_hinfo(ARGS_TOTEXT) {
  55         isc_region_t region;
  56
  57         UNUSED(tctx);
  58
  59         REQUIRE(rdata->type == 13);
  60         REQUIRE(rdata->length != 0);
  61
  62         dns_rdata_toregion(rdata, &region);
  63         RETERR(txt_totext(&region, ISC_TRUE, target));
  64         RETERR(str_totext(" ", target));
  65         return (txt_totext(&region, ISC_TRUE, target));
  66 }
  67
  68 static inline isc_result_t
  69 fromwire_hinfo(ARGS_FROMWIRE) {
  70
  71         REQUIRE(type == 13);
  72
  73         UNUSED(type);
  74         UNUSED(dctx);
  75         UNUSED(rdclass);
  76         UNUSED(options);
  77
  78         RETERR(txt_fromwire(source, target));
  79         return (txt_fromwire(source, target));
  80 }
  81
  82 static inline isc_result_t
  83 towire_hinfo(ARGS_TOWIRE) {
  84
  85         UNUSED(cctx);
  86
  87         REQUIRE(rdata->type == 13);
  88         REQUIRE(rdata->length != 0);
  89
  90         return (mem_tobuffer(target, rdata->data, rdata->length));
  91 }
  92
  93 static inline int
  94 compare_hinfo(ARGS_COMPARE) {
  95         isc_region_t r1;
  96         isc_region_t r2;
  97
  98         REQUIRE(rdata1->type == rdata2->type);
  99         REQUIRE(rdata1->rdclass == rdata2->rdclass);
 100         REQUIRE(rdata1->type == 13);
 101         REQUIRE(rdata1->length != 0);
 102         REQUIRE(rdata2->length != 0);
 103
 104         dns_rdata_toregion(rdata1, &r1);
 105         dns_rdata_toregion(rdata2, &r2);
 106         return (isc_region_compare(&r1, &r2));
 107 }
 108
 109 static inline isc_result_t
 110 fromstruct_hinfo(ARGS_FROMSTRUCT) {
 111         dns_rdata_hinfo_t *hinfo = source;
 112
 113         REQUIRE(type == 13);
 114         REQUIRE(source != NULL);
 115         REQUIRE(hinfo->common.rdtype == type);
 116         REQUIRE(hinfo->common.rdclass == rdclass);
 117
 118         UNUSED(type);
 119         UNUSED(rdclass);
 120
 121         RETERR(uint8_tobuffer(hinfo->cpu_len, target));
 122         RETERR(mem_tobuffer(target, hinfo->cpu, hinfo->cpu_len));
 123         RETERR(uint8_tobuffer(hinfo->os_len, target));
 124         return (mem_tobuffer(target, hinfo->os, hinfo->os_len));
 125 }
 126
 127 static inline isc_result_t
 128 tostruct_hinfo(ARGS_TOSTRUCT) {
 129         dns_rdata_hinfo_t *hinfo = target;
 130         isc_region_t region;
 131
 132         REQUIRE(rdata->type == 13);
 133         REQUIRE(target != NULL);
 134         REQUIRE(rdata->length != 0);
 135
 136         hinfo->common.rdclass = rdata->rdclass;
 137         hinfo->common.rdtype = rdata->type;
 138         ISC_LINK_INIT(&hinfo->common, link);
 139
 140         dns_rdata_toregion(rdata, &region);
 141         hinfo->cpu_len = uint8_fromregion(&region);
 142         isc_region_consume(&region, 1);
 143         hinfo->cpu = mem_maybedup(mctx, region.base, hinfo->cpu_len);
 144         if (hinfo->cpu == NULL)
 145                 return (ISC_R_NOMEMORY);
 146         isc_region_consume(&region, hinfo->cpu_len);
 147
 148         hinfo->os_len = uint8_fromregion(&region);
 149         isc_region_consume(&region, 1);
 150         hinfo->os = mem_maybedup(mctx, region.base, hinfo->os_len);
 151         if (hinfo->os == NULL)
 152                 goto cleanup;
 153
 154         hinfo->mctx = mctx;
 155         return (ISC_R_SUCCESS);
 156
 157  cleanup:
 158         if (mctx != NULL && hinfo->cpu != NULL)
 159                 isc_mem_free(mctx, hinfo->cpu);
 160         return (ISC_R_NOMEMORY);
 161 }
 162
 163 static inline void
 164 freestruct_hinfo(ARGS_FREESTRUCT) {
 165         dns_rdata_hinfo_t *hinfo = source;
 166
 167         REQUIRE(source != NULL);
 168
 169         if (hinfo->mctx == NULL)
 170                 return;
 171
 172         if (hinfo->cpu != NULL)
 173                 isc_mem_free(hinfo->mctx, hinfo->cpu);
 174         if (hinfo->os != NULL)
 175                 isc_mem_free(hinfo->mctx, hinfo->os);
 176         hinfo->mctx = NULL;
 177 }
 178
 179 static inline isc_result_t
 180 additionaldata_hinfo(ARGS_ADDLDATA) {
 181         REQUIRE(rdata->type == 13);
 182
 183         UNUSED(add);
 184         UNUSED(arg);
 185         UNUSED(rdata);
 186
 187         return (ISC_R_SUCCESS);
 188 }
 189
 190 static inline isc_result_t
 191 digest_hinfo(ARGS_DIGEST) {
 192         isc_region_t r;
 193
 194         REQUIRE(rdata->type == 13);
 195
 196         dns_rdata_toregion(rdata, &r);
 197
 198         return ((digest)(arg, &r));
 199 }
 200
 201 static inline isc_boolean_t
 202 checkowner_hinfo(ARGS_CHECKOWNER) {
 203
 204         REQUIRE(type == 13);
 205
 206         UNUSED(name);
 207         UNUSED(type);
 208         UNUSED(rdclass);
 209         UNUSED(wildcard);
 210
 211         return (ISC_TRUE);
 212 }
 213
 214 static inline isc_boolean_t
 215 checknames_hinfo(ARGS_CHECKNAMES) {
 216
 217         REQUIRE(rdata->type == 13);
 218
 219         UNUSED(rdata);
 220         UNUSED(owner);
 221         UNUSED(bad);
 222
 223         return (ISC_TRUE);
 224 }
 225
 226 static inline int
 227 casecompare_hinfo(ARGS_COMPARE) {
 228         return (compare_hinfo(rdata1, rdata2));
 229 }
 230 #endif  /* RDATA_GENERIC_HINFO_13_C */