contrib/bind-9.5.2/lib/dns/rdata/generic/hinfo_13.c

   1 /*
   2  * Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
   3  * Copyright (C) 1998-2002  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: hinfo_13.c,v 1.44 2007/06/19 23:47:17 tbox Exp $ */
  19
  20 /*
  21  * Reviewed: Wed Mar 15 16:47:10 PST 2000 by halley.
  22  */
  23
  24 #ifndef RDATA_GENERIC_HINFO_13_C
  25 #define RDATA_GENERIC_HINFO_13_C
  26
  27 #define RRTYPE_HINFO_ATTRIBUTES (0)
  28
  29 static inline isc_result_t
  30 fromtext_hinfo(ARGS_FROMTEXT) {
  31         isc_token_t token;
  32         int i;
  33
  34         UNUSED(type);
  35         UNUSED(rdclass);
  36         UNUSED(origin);
  37         UNUSED(options);
  38         UNUSED(callbacks);
  39
  40         REQUIRE(type == 13);
  41
  42         for (i = 0; i < 2; 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
  51 static inline isc_result_t
  52 totext_hinfo(ARGS_TOTEXT) {
  53         isc_region_t region;
  54
  55         UNUSED(tctx);
  56
  57         REQUIRE(rdata->type == 13);
  58         REQUIRE(rdata->length != 0);
  59
  60         dns_rdata_toregion(rdata, &region);
  61         RETERR(txt_totext(&region, target));
  62         RETERR(str_totext(" ", target));
  63         return (txt_totext(&region, target));
  64 }
  65
  66 static inline isc_result_t
  67 fromwire_hinfo(ARGS_FROMWIRE) {
  68
  69         REQUIRE(type == 13);
  70
  71         UNUSED(type);
  72         UNUSED(dctx);
  73         UNUSED(rdclass);
  74         UNUSED(options);
  75
  76         RETERR(txt_fromwire(source, target));
  77         return (txt_fromwire(source, target));
  78 }
  79
  80 static inline isc_result_t
  81 towire_hinfo(ARGS_TOWIRE) {
  82
  83         UNUSED(cctx);
  84
  85         REQUIRE(rdata->type == 13);
  86         REQUIRE(rdata->length != 0);
  87
  88         return (mem_tobuffer(target, rdata->data, rdata->length));
  89 }
  90
  91 static inline int
  92 compare_hinfo(ARGS_COMPARE) {
  93         isc_region_t r1;
  94         isc_region_t r2;
  95
  96         REQUIRE(rdata1->type == rdata2->type);
  97         REQUIRE(rdata1->rdclass == rdata2->rdclass);
  98         REQUIRE(rdata1->type == 13);
  99         REQUIRE(rdata1->length != 0);
 100         REQUIRE(rdata2->length != 0);
 101
 102         dns_rdata_toregion(rdata1, &r1);
 103         dns_rdata_toregion(rdata2, &r2);
 104         return (isc_region_compare(&r1, &r2));
 105 }
 106
 107 static inline isc_result_t
 108 fromstruct_hinfo(ARGS_FROMSTRUCT) {
 109         dns_rdata_hinfo_t *hinfo = source;
 110
 111         REQUIRE(type == 13);
 112         REQUIRE(source != NULL);
 113         REQUIRE(hinfo->common.rdtype == type);
 114         REQUIRE(hinfo->common.rdclass == rdclass);
 115
 116         UNUSED(type);
 117         UNUSED(rdclass);
 118
 119         RETERR(uint8_tobuffer(hinfo->cpu_len, target));
 120         RETERR(mem_tobuffer(target, hinfo->cpu, hinfo->cpu_len));
 121         RETERR(uint8_tobuffer(hinfo->os_len, target));
 122         return (mem_tobuffer(target, hinfo->os, hinfo->os_len));
 123 }
 124
 125 static inline isc_result_t
 126 tostruct_hinfo(ARGS_TOSTRUCT) {
 127         dns_rdata_hinfo_t *hinfo = target;
 128         isc_region_t region;
 129
 130         REQUIRE(rdata->type == 13);
 131         REQUIRE(target != NULL);
 132         REQUIRE(rdata->length != 0);
 133
 134         hinfo->common.rdclass = rdata->rdclass;
 135         hinfo->common.rdtype = rdata->type;
 136         ISC_LINK_INIT(&hinfo->common, link);
 137
 138         dns_rdata_toregion(rdata, &region);
 139         hinfo->cpu_len = uint8_fromregion(&region);
 140         isc_region_consume(&region, 1);
 141         hinfo->cpu = mem_maybedup(mctx, region.base, hinfo->cpu_len);
 142         if (hinfo->cpu == NULL)
 143                 return (ISC_R_NOMEMORY);
 144         isc_region_consume(&region, hinfo->cpu_len);
 145
 146         hinfo->os_len = uint8_fromregion(&region);
 147         isc_region_consume(&region, 1);
 148         hinfo->os = mem_maybedup(mctx, region.base, hinfo->os_len);
 149         if (hinfo->os == NULL)
 150                 goto cleanup;
 151
 152         hinfo->mctx = mctx;
 153         return (ISC_R_SUCCESS);
 154
 155  cleanup:
 156         if (mctx != NULL && hinfo->cpu != NULL)
 157                 isc_mem_free(mctx, hinfo->cpu);
 158         return (ISC_R_NOMEMORY);
 159 }
 160
 161 static inline void
 162 freestruct_hinfo(ARGS_FREESTRUCT) {
 163         dns_rdata_hinfo_t *hinfo = source;
 164
 165         REQUIRE(source != NULL);
 166
 167         if (hinfo->mctx == NULL)
 168                 return;
 169
 170         if (hinfo->cpu != NULL)
 171                 isc_mem_free(hinfo->mctx, hinfo->cpu);
 172         if (hinfo->os != NULL)
 173                 isc_mem_free(hinfo->mctx, hinfo->os);
 174         hinfo->mctx = NULL;
 175 }
 176
 177 static inline isc_result_t
 178 additionaldata_hinfo(ARGS_ADDLDATA) {
 179         REQUIRE(rdata->type == 13);
 180
 181         UNUSED(add);
 182         UNUSED(arg);
 183         UNUSED(rdata);
 184
 185         return (ISC_R_SUCCESS);
 186 }
 187
 188 static inline isc_result_t
 189 digest_hinfo(ARGS_DIGEST) {
 190         isc_region_t r;
 191
 192         REQUIRE(rdata->type == 13);
 193
 194         dns_rdata_toregion(rdata, &r);
 195
 196         return ((digest)(arg, &r));
 197 }
 198
 199 static inline isc_boolean_t
 200 checkowner_hinfo(ARGS_CHECKOWNER) {
 201
 202         REQUIRE(type == 13);
 203
 204         UNUSED(name);
 205         UNUSED(type);
 206         UNUSED(rdclass);
 207         UNUSED(wildcard);
 208
 209         return (ISC_TRUE);
 210 }
 211
 212 static inline isc_boolean_t
 213 checknames_hinfo(ARGS_CHECKNAMES) {
 214
 215         REQUIRE(rdata->type == 13);
 216
 217         UNUSED(rdata);
 218         UNUSED(owner);
 219         UNUSED(bad);
 220
 221         return (ISC_TRUE);
 222 }
 223
 224 #endif  /* RDATA_GENERIC_HINFO_13_C */