external/bsd/bind/dist/lib/dns/rdata/generic/isdn_20.c

   1 /*      $NetBSD: isdn_20.c,v 1.5 2014/12/10 04:37:59 christos Exp $     */
   2
   3 /*
   4  * Copyright (C) 2004, 2005, 2007, 2009, 2013, 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: isdn_20.c,v 1.40 2009/12/04 22:06:37 tbox Exp  */
  21
  22 /* Reviewed: Wed Mar 15 16:53:11 PST 2000 by bwelling */
  23
  24 /* RFC1183 */
  25
  26 #ifndef RDATA_GENERIC_ISDN_20_C
  27 #define RDATA_GENERIC_ISDN_20_C
  28
  29 #define RRTYPE_ISDN_ATTRIBUTES (0)
  30
  31 static inline isc_result_t
  32 fromtext_isdn(ARGS_FROMTEXT) {
  33         isc_token_t token;
  34
  35         REQUIRE(type == 20);
  36
  37         UNUSED(type);
  38         UNUSED(rdclass);
  39         UNUSED(origin);
  40         UNUSED(options);
  41         UNUSED(callbacks);
  42
  43         /* ISDN-address */
  44         RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_qstring,
  45                                       ISC_FALSE));
  46         RETTOK(txt_fromtext(&token.value.as_textregion, target));
  47
  48         /* sa: optional */
  49         RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_qstring,
  50                                       ISC_TRUE));
  51         if (token.type != isc_tokentype_string &&
  52             token.type != isc_tokentype_qstring) {
  53                 isc_lex_ungettoken(lexer, &token);
  54                 return (ISC_R_SUCCESS);
  55         }
  56         RETTOK(txt_fromtext(&token.value.as_textregion, target));
  57         return (ISC_R_SUCCESS);
  58 }
  59
  60 static inline isc_result_t
  61 totext_isdn(ARGS_TOTEXT) {
  62         isc_region_t region;
  63
  64         REQUIRE(rdata->type == 20);
  65         REQUIRE(rdata->length != 0);
  66
  67         UNUSED(tctx);
  68
  69         dns_rdata_toregion(rdata, &region);
  70         RETERR(txt_totext(&region, ISC_TRUE, target));
  71         if (region.length == 0)
  72                 return (ISC_R_SUCCESS);
  73         RETERR(str_totext(" ", target));
  74         return (txt_totext(&region, ISC_TRUE, target));
  75 }
  76
  77 static inline isc_result_t
  78 fromwire_isdn(ARGS_FROMWIRE) {
  79         REQUIRE(type == 20);
  80
  81         UNUSED(type);
  82         UNUSED(dctx);
  83         UNUSED(rdclass);
  84         UNUSED(options);
  85
  86         RETERR(txt_fromwire(source, target));
  87         if (buffer_empty(source))
  88                 return (ISC_R_SUCCESS);
  89         return (txt_fromwire(source, target));
  90 }
  91
  92 static inline isc_result_t
  93 towire_isdn(ARGS_TOWIRE) {
  94         UNUSED(cctx);
  95
  96         REQUIRE(rdata->type == 20);
  97         REQUIRE(rdata->length != 0);
  98
  99         return (mem_tobuffer(target, rdata->data, rdata->length));
 100 }
 101
 102 static inline int
 103 compare_isdn(ARGS_COMPARE) {
 104         isc_region_t r1;
 105         isc_region_t r2;
 106
 107         REQUIRE(rdata1->type == rdata2->type);
 108         REQUIRE(rdata1->rdclass == rdata2->rdclass);
 109         REQUIRE(rdata1->type == 20);
 110         REQUIRE(rdata1->length != 0);
 111         REQUIRE(rdata2->length != 0);
 112
 113         dns_rdata_toregion(rdata1, &r1);
 114         dns_rdata_toregion(rdata2, &r2);
 115         return (isc_region_compare(&r1, &r2));
 116 }
 117
 118 static inline isc_result_t
 119 fromstruct_isdn(ARGS_FROMSTRUCT) {
 120         dns_rdata_isdn_t *isdn = source;
 121
 122         REQUIRE(type == 20);
 123         REQUIRE(source != NULL);
 124         REQUIRE(isdn->common.rdtype == type);
 125         REQUIRE(isdn->common.rdclass == rdclass);
 126
 127         UNUSED(type);
 128         UNUSED(rdclass);
 129
 130         RETERR(uint8_tobuffer(isdn->isdn_len, target));
 131         RETERR(mem_tobuffer(target, isdn->isdn, isdn->isdn_len));
 132         if (isdn->subaddress == NULL)
 133                 return (ISC_R_SUCCESS);
 134         RETERR(uint8_tobuffer(isdn->subaddress_len, target));
 135         return (mem_tobuffer(target, isdn->subaddress, isdn->subaddress_len));
 136 }
 137
 138 static inline isc_result_t
 139 tostruct_isdn(ARGS_TOSTRUCT) {
 140         dns_rdata_isdn_t *isdn = target;
 141         isc_region_t r;
 142
 143         REQUIRE(rdata->type == 20);
 144         REQUIRE(target != NULL);
 145         REQUIRE(rdata->length != 0);
 146
 147         isdn->common.rdclass = rdata->rdclass;
 148         isdn->common.rdtype = rdata->type;
 149         ISC_LINK_INIT(&isdn->common, link);
 150
 151         dns_rdata_toregion(rdata, &r);
 152
 153         isdn->isdn_len = uint8_fromregion(&r);
 154         isc_region_consume(&r, 1);
 155         isdn->isdn = mem_maybedup(mctx, r.base, isdn->isdn_len);
 156         if (isdn->isdn == NULL)
 157                 return (ISC_R_NOMEMORY);
 158         isc_region_consume(&r, isdn->isdn_len);
 159
 160         if (r.length == 0) {
 161                 isdn->subaddress_len = 0;
 162                 isdn->subaddress = NULL;
 163         } else {
 164                 isdn->subaddress_len = uint8_fromregion(&r);
 165                 isc_region_consume(&r, 1);
 166                 isdn->subaddress = mem_maybedup(mctx, r.base,
 167                                                 isdn->subaddress_len);
 168                 if (isdn->subaddress == NULL)
 169                         goto cleanup;
 170         }
 171
 172         isdn->mctx = mctx;
 173         return (ISC_R_SUCCESS);
 174
 175  cleanup:
 176         if (mctx != NULL && isdn->isdn != NULL)
 177                 isc_mem_free(mctx, isdn->isdn);
 178         return (ISC_R_NOMEMORY);
 179 }
 180
 181 static inline void
 182 freestruct_isdn(ARGS_FREESTRUCT) {
 183         dns_rdata_isdn_t *isdn = source;
 184
 185         REQUIRE(source != NULL);
 186
 187         if (isdn->mctx == NULL)
 188                 return;
 189
 190         if (isdn->isdn != NULL)
 191                 isc_mem_free(isdn->mctx, isdn->isdn);
 192         if (isdn->subaddress != NULL)
 193                 isc_mem_free(isdn->mctx, isdn->subaddress);
 194         isdn->mctx = NULL;
 195 }
 196
 197 static inline isc_result_t
 198 additionaldata_isdn(ARGS_ADDLDATA) {
 199         REQUIRE(rdata->type == 20);
 200
 201         UNUSED(rdata);
 202         UNUSED(add);
 203         UNUSED(arg);
 204
 205         return (ISC_R_SUCCESS);
 206 }
 207
 208 static inline isc_result_t
 209 digest_isdn(ARGS_DIGEST) {
 210         isc_region_t r;
 211
 212         REQUIRE(rdata->type == 20);
 213
 214         dns_rdata_toregion(rdata, &r);
 215
 216         return ((digest)(arg, &r));
 217 }
 218
 219 static inline isc_boolean_t
 220 checkowner_isdn(ARGS_CHECKOWNER) {
 221
 222         REQUIRE(type == 20);
 223
 224         UNUSED(name);
 225         UNUSED(type);
 226         UNUSED(rdclass);
 227         UNUSED(wildcard);
 228
 229         return (ISC_TRUE);
 230 }
 231
 232 static inline isc_boolean_t
 233 checknames_isdn(ARGS_CHECKNAMES) {
 234
 235         REQUIRE(rdata->type == 20);
 236
 237         UNUSED(rdata);
 238         UNUSED(owner);
 239         UNUSED(bad);
 240
 241         return (ISC_TRUE);
 242 }
 243
 244 static inline int
 245 casecompare_isdn(ARGS_COMPARE) {
 246         return (compare_isdn(rdata1, rdata2));
 247 }
 248
 249 #endif  /* RDATA_GENERIC_ISDN_20_C */