contrib/bind-9.5.2/lib/dns/rdata/in_1/nsap_22.c

   1 /*
   2  * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
   3  * Copyright (C) 1999-2002  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: nsap_22.c,v 1.42 2007/06/19 23:47:17 tbox Exp $ */
  19
  20 /* Reviewed: Fri Mar 17 10:41:07 PST 2000 by gson */
  21
  22 /* RFC1706 */
  23
  24 #ifndef RDATA_IN_1_NSAP_22_C
  25 #define RDATA_IN_1_NSAP_22_C
  26
  27 #define RRTYPE_NSAP_ATTRIBUTES (0)
  28
  29 static inline isc_result_t
  30 fromtext_in_nsap(ARGS_FROMTEXT) {
  31         isc_token_t token;
  32         isc_textregion_t *sr;
  33         int n;
  34         int digits;
  35         unsigned char c = 0;
  36
  37         REQUIRE(type == 22);
  38         REQUIRE(rdclass == 1);
  39
  40         UNUSED(type);
  41         UNUSED(origin);
  42         UNUSED(options);
  43         UNUSED(rdclass);
  44         UNUSED(callbacks);
  45
  46         /* 0x<hex.string.with.periods> */
  47         RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
  48                                       ISC_FALSE));
  49         sr = &token.value.as_textregion;
  50         if (sr->length < 2)
  51                 RETTOK(ISC_R_UNEXPECTEDEND);
  52         if (sr->base[0] != '0' || (sr->base[1] != 'x' && sr->base[1] != 'X'))
  53                 RETTOK(DNS_R_SYNTAX);
  54         isc_textregion_consume(sr, 2);
  55         digits = 0;
  56         n = 0;
  57         while (sr->length > 0) {
  58                 if (sr->base[0] == '.') {
  59                         isc_textregion_consume(sr, 1);
  60                         continue;
  61                 }
  62                 if ((n = hexvalue(sr->base[0])) == -1)
  63                         RETTOK(DNS_R_SYNTAX);
  64                 c <<= 4;
  65                 c += n;
  66                 if (++digits == 2) {
  67                         RETERR(mem_tobuffer(target, &c, 1));
  68                         digits = 0;
  69                 }
  70                 isc_textregion_consume(sr, 1);
  71         }
  72         if (digits)
  73                 RETTOK(ISC_R_UNEXPECTEDEND);
  74         return (ISC_R_SUCCESS);
  75 }
  76
  77 static inline isc_result_t
  78 totext_in_nsap(ARGS_TOTEXT) {
  79         isc_region_t region;
  80         char buf[sizeof("xx")];
  81
  82         REQUIRE(rdata->type == 22);
  83         REQUIRE(rdata->rdclass == 1);
  84         REQUIRE(rdata->length != 0);
  85
  86         UNUSED(tctx);
  87
  88         dns_rdata_toregion(rdata, &region);
  89         RETERR(str_totext("0x", target));
  90         while (region.length != 0) {
  91                 sprintf(buf, "%02x", region.base[0]);
  92                 isc_region_consume(&region, 1);
  93                 RETERR(str_totext(buf, target));
  94         }
  95         return (ISC_R_SUCCESS);
  96 }
  97
  98 static inline isc_result_t
  99 fromwire_in_nsap(ARGS_FROMWIRE) {
 100         isc_region_t region;
 101
 102         REQUIRE(type == 22);
 103         REQUIRE(rdclass == 1);
 104
 105         UNUSED(type);
 106         UNUSED(dctx);
 107         UNUSED(options);
 108         UNUSED(rdclass);
 109
 110         isc_buffer_activeregion(source, &region);
 111         if (region.length < 1)
 112                 return (ISC_R_UNEXPECTEDEND);
 113
 114         RETERR(mem_tobuffer(target, region.base, region.length));
 115         isc_buffer_forward(source, region.length);
 116         return (ISC_R_SUCCESS);
 117 }
 118
 119 static inline isc_result_t
 120 towire_in_nsap(ARGS_TOWIRE) {
 121         REQUIRE(rdata->type == 22);
 122         REQUIRE(rdata->rdclass == 1);
 123         REQUIRE(rdata->length != 0);
 124
 125         UNUSED(cctx);
 126
 127         return (mem_tobuffer(target, rdata->data, rdata->length));
 128 }
 129
 130 static inline int
 131 compare_in_nsap(ARGS_COMPARE) {
 132         isc_region_t r1;
 133         isc_region_t r2;
 134
 135         REQUIRE(rdata1->type == rdata2->type);
 136         REQUIRE(rdata1->rdclass == rdata2->rdclass);
 137         REQUIRE(rdata1->type == 22);
 138         REQUIRE(rdata1->rdclass == 1);
 139         REQUIRE(rdata1->length != 0);
 140         REQUIRE(rdata2->length != 0);
 141
 142         dns_rdata_toregion(rdata1, &r1);
 143         dns_rdata_toregion(rdata2, &r2);
 144         return (isc_region_compare(&r1, &r2));
 145 }
 146
 147 static inline isc_result_t
 148 fromstruct_in_nsap(ARGS_FROMSTRUCT) {
 149         dns_rdata_in_nsap_t *nsap = source;
 150
 151         REQUIRE(type == 22);
 152         REQUIRE(rdclass == 1);
 153         REQUIRE(source != NULL);
 154         REQUIRE(nsap->common.rdtype == type);
 155         REQUIRE(nsap->common.rdclass == rdclass);
 156         REQUIRE(nsap->nsap != NULL || nsap->nsap_len == 0);
 157
 158         UNUSED(type);
 159         UNUSED(rdclass);
 160
 161         return (mem_tobuffer(target, nsap->nsap, nsap->nsap_len));
 162 }
 163
 164 static inline isc_result_t
 165 tostruct_in_nsap(ARGS_TOSTRUCT) {
 166         dns_rdata_in_nsap_t *nsap = target;
 167         isc_region_t r;
 168
 169         REQUIRE(rdata->type == 22);
 170         REQUIRE(rdata->rdclass == 1);
 171         REQUIRE(target != NULL);
 172         REQUIRE(rdata->length != 0);
 173
 174         nsap->common.rdclass = rdata->rdclass;
 175         nsap->common.rdtype = rdata->type;
 176         ISC_LINK_INIT(&nsap->common, link);
 177
 178         dns_rdata_toregion(rdata, &r);
 179         nsap->nsap_len = r.length;
 180         nsap->nsap = mem_maybedup(mctx, r.base, r.length);
 181         if (nsap->nsap == NULL)
 182                 return (ISC_R_NOMEMORY);
 183
 184         nsap->mctx = mctx;
 185         return (ISC_R_SUCCESS);
 186 }
 187
 188 static inline void
 189 freestruct_in_nsap(ARGS_FREESTRUCT) {
 190         dns_rdata_in_nsap_t *nsap = source;
 191
 192         REQUIRE(source != NULL);
 193         REQUIRE(nsap->common.rdclass == 1);
 194         REQUIRE(nsap->common.rdtype == 22);
 195
 196         if (nsap->mctx == NULL)
 197                 return;
 198
 199         if (nsap->nsap != NULL)
 200                 isc_mem_free(nsap->mctx, nsap->nsap);
 201         nsap->mctx = NULL;
 202 }
 203
 204 static inline isc_result_t
 205 additionaldata_in_nsap(ARGS_ADDLDATA) {
 206         REQUIRE(rdata->type == 22);
 207         REQUIRE(rdata->rdclass == 1);
 208
 209         UNUSED(rdata);
 210         UNUSED(add);
 211         UNUSED(arg);
 212
 213         return (ISC_R_SUCCESS);
 214 }
 215
 216 static inline isc_result_t
 217 digest_in_nsap(ARGS_DIGEST) {
 218         isc_region_t r;
 219
 220         REQUIRE(rdata->type == 22);
 221         REQUIRE(rdata->rdclass == 1);
 222
 223         dns_rdata_toregion(rdata, &r);
 224
 225         return ((digest)(arg, &r));
 226 }
 227
 228 static inline isc_boolean_t
 229 checkowner_in_nsap(ARGS_CHECKOWNER) {
 230
 231         REQUIRE(type == 22);
 232         REQUIRE(rdclass == 1);
 233
 234         UNUSED(name);
 235         UNUSED(type);
 236         UNUSED(rdclass);
 237         UNUSED(wildcard);
 238
 239         return (ISC_TRUE);
 240 }
 241
 242 static inline isc_boolean_t
 243 checknames_in_nsap(ARGS_CHECKNAMES) {
 244
 245         REQUIRE(rdata->type == 22);
 246         REQUIRE(rdata->rdclass == 1);
 247
 248         UNUSED(rdata);
 249         UNUSED(owner);
 250         UNUSED(bad);
 251
 252         return (ISC_TRUE);
 253 }
 254
 255 #endif  /* RDATA_IN_1_NSAP_22_C */