external/bsd/bind/dist/lib/dns/rdata/in_1/nsap_22.c

   1 /*      $NetBSD: nsap_22.c,v 1.5 2014/12/10 04:37:59 christos Exp $     */
   2
   3 /*
   4  * Copyright (C) 2004, 2005, 2007, 2009, 2013  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: nsap_22.c,v 1.44 2009/12/04 22:06:37 tbox Exp  */
  21
  22 /* Reviewed: Fri Mar 17 10:41:07 PST 2000 by gson */
  23
  24 /* RFC1706 */
  25
  26 #ifndef RDATA_IN_1_NSAP_22_C
  27 #define RDATA_IN_1_NSAP_22_C
  28
  29 #define RRTYPE_NSAP_ATTRIBUTES (0)
  30
  31 static inline isc_result_t
  32 fromtext_in_nsap(ARGS_FROMTEXT) {
  33         isc_token_t token;
  34         isc_textregion_t *sr;
  35         int n;
  36         int digits;
  37         unsigned char c = 0;
  38
  39         REQUIRE(type == 22);
  40         REQUIRE(rdclass == 1);
  41
  42         UNUSED(type);
  43         UNUSED(origin);
  44         UNUSED(options);
  45         UNUSED(rdclass);
  46         UNUSED(callbacks);
  47
  48         /* 0x<hex.string.with.periods> */
  49         RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
  50                                       ISC_FALSE));
  51         sr = &token.value.as_textregion;
  52         if (sr->length < 2)
  53                 RETTOK(ISC_R_UNEXPECTEDEND);
  54         if (sr->base[0] != '0' || (sr->base[1] != 'x' && sr->base[1] != 'X'))
  55                 RETTOK(DNS_R_SYNTAX);
  56         isc_textregion_consume(sr, 2);
  57         digits = 0;
  58         while (sr->length > 0) {
  59                 if (sr->base[0] == '.') {
  60                         isc_textregion_consume(sr, 1);
  61                         continue;
  62                 }
  63                 if ((n = hexvalue(sr->base[0])) == -1)
  64                         RETTOK(DNS_R_SYNTAX);
  65                 c <<= 4;
  66                 c += n;
  67                 if (++digits == 2) {
  68                         RETERR(mem_tobuffer(target, &c, 1));
  69                         digits = 0;
  70                 }
  71                 isc_textregion_consume(sr, 1);
  72         }
  73         if (digits)
  74                 RETTOK(ISC_R_UNEXPECTEDEND);
  75         return (ISC_R_SUCCESS);
  76 }
  77
  78 static inline isc_result_t
  79 totext_in_nsap(ARGS_TOTEXT) {
  80         isc_region_t region;
  81         char buf[sizeof("xx")];
  82
  83         REQUIRE(rdata->type == 22);
  84         REQUIRE(rdata->rdclass == 1);
  85         REQUIRE(rdata->length != 0);
  86
  87         UNUSED(tctx);
  88
  89         dns_rdata_toregion(rdata, &region);
  90         RETERR(str_totext("0x", target));
  91         while (region.length != 0) {
  92                 sprintf(buf, "%02x", region.base[0]);
  93                 isc_region_consume(&region, 1);
  94                 RETERR(str_totext(buf, target));
  95         }
  96         return (ISC_R_SUCCESS);
  97 }
  98
  99 static inline isc_result_t
 100 fromwire_in_nsap(ARGS_FROMWIRE) {
 101         isc_region_t region;
 102
 103         REQUIRE(type == 22);
 104         REQUIRE(rdclass == 1);
 105
 106         UNUSED(type);
 107         UNUSED(dctx);
 108         UNUSED(options);
 109         UNUSED(rdclass);
 110
 111         isc_buffer_activeregion(source, &region);
 112         if (region.length < 1)
 113                 return (ISC_R_UNEXPECTEDEND);
 114
 115         RETERR(mem_tobuffer(target, region.base, region.length));
 116         isc_buffer_forward(source, region.length);
 117         return (ISC_R_SUCCESS);
 118 }
 119
 120 static inline isc_result_t
 121 towire_in_nsap(ARGS_TOWIRE) {
 122         REQUIRE(rdata->type == 22);
 123         REQUIRE(rdata->rdclass == 1);
 124         REQUIRE(rdata->length != 0);
 125
 126         UNUSED(cctx);
 127
 128         return (mem_tobuffer(target, rdata->data, rdata->length));
 129 }
 130
 131 static inline int
 132 compare_in_nsap(ARGS_COMPARE) {
 133         isc_region_t r1;
 134         isc_region_t r2;
 135
 136         REQUIRE(rdata1->type == rdata2->type);
 137         REQUIRE(rdata1->rdclass == rdata2->rdclass);
 138         REQUIRE(rdata1->type == 22);
 139         REQUIRE(rdata1->rdclass == 1);
 140         REQUIRE(rdata1->length != 0);
 141         REQUIRE(rdata2->length != 0);
 142
 143         dns_rdata_toregion(rdata1, &r1);
 144         dns_rdata_toregion(rdata2, &r2);
 145         return (isc_region_compare(&r1, &r2));
 146 }
 147
 148 static inline isc_result_t
 149 fromstruct_in_nsap(ARGS_FROMSTRUCT) {
 150         dns_rdata_in_nsap_t *nsap = source;
 151
 152         REQUIRE(type == 22);
 153         REQUIRE(rdclass == 1);
 154         REQUIRE(source != NULL);
 155         REQUIRE(nsap->common.rdtype == type);
 156         REQUIRE(nsap->common.rdclass == rdclass);
 157         REQUIRE(nsap->nsap != NULL || nsap->nsap_len == 0);
 158
 159         UNUSED(type);
 160         UNUSED(rdclass);
 161
 162         return (mem_tobuffer(target, nsap->nsap, nsap->nsap_len));
 163 }
 164
 165 static inline isc_result_t
 166 tostruct_in_nsap(ARGS_TOSTRUCT) {
 167         dns_rdata_in_nsap_t *nsap = target;
 168         isc_region_t r;
 169
 170         REQUIRE(rdata->type == 22);
 171         REQUIRE(rdata->rdclass == 1);
 172         REQUIRE(target != NULL);
 173         REQUIRE(rdata->length != 0);
 174
 175         nsap->common.rdclass = rdata->rdclass;
 176         nsap->common.rdtype = rdata->type;
 177         ISC_LINK_INIT(&nsap->common, link);
 178
 179         dns_rdata_toregion(rdata, &r);
 180         nsap->nsap_len = r.length;
 181         nsap->nsap = mem_maybedup(mctx, r.base, r.length);
 182         if (nsap->nsap == NULL)
 183                 return (ISC_R_NOMEMORY);
 184
 185         nsap->mctx = mctx;
 186         return (ISC_R_SUCCESS);
 187 }
 188
 189 static inline void
 190 freestruct_in_nsap(ARGS_FREESTRUCT) {
 191         dns_rdata_in_nsap_t *nsap = source;
 192
 193         REQUIRE(source != NULL);
 194         REQUIRE(nsap->common.rdclass == 1);
 195         REQUIRE(nsap->common.rdtype == 22);
 196
 197         if (nsap->mctx == NULL)
 198                 return;
 199
 200         if (nsap->nsap != NULL)
 201                 isc_mem_free(nsap->mctx, nsap->nsap);
 202         nsap->mctx = NULL;
 203 }
 204
 205 static inline isc_result_t
 206 additionaldata_in_nsap(ARGS_ADDLDATA) {
 207         REQUIRE(rdata->type == 22);
 208         REQUIRE(rdata->rdclass == 1);
 209
 210         UNUSED(rdata);
 211         UNUSED(add);
 212         UNUSED(arg);
 213
 214         return (ISC_R_SUCCESS);
 215 }
 216
 217 static inline isc_result_t
 218 digest_in_nsap(ARGS_DIGEST) {
 219         isc_region_t r;
 220
 221         REQUIRE(rdata->type == 22);
 222         REQUIRE(rdata->rdclass == 1);
 223
 224         dns_rdata_toregion(rdata, &r);
 225
 226         return ((digest)(arg, &r));
 227 }
 228
 229 static inline isc_boolean_t
 230 checkowner_in_nsap(ARGS_CHECKOWNER) {
 231
 232         REQUIRE(type == 22);
 233         REQUIRE(rdclass == 1);
 234
 235         UNUSED(name);
 236         UNUSED(type);
 237         UNUSED(rdclass);
 238         UNUSED(wildcard);
 239
 240         return (ISC_TRUE);
 241 }
 242
 243 static inline isc_boolean_t
 244 checknames_in_nsap(ARGS_CHECKNAMES) {
 245
 246         REQUIRE(rdata->type == 22);
 247         REQUIRE(rdata->rdclass == 1);
 248
 249         UNUSED(rdata);
 250         UNUSED(owner);
 251         UNUSED(bad);
 252
 253         return (ISC_TRUE);
 254 }
 255
 256 static inline int
 257 casecompare_in_nsap(ARGS_COMPARE) {
 258         return (compare_in_nsap(rdata1, rdata2));
 259 }
 260
 261 #endif  /* RDATA_IN_1_NSAP_22_C */