text: /*	$NetBSD: aaaa_28.c,v 1.5 2014/12/10 04:37:59 christos Exp $	*/
  
  /*
   * Copyright (C) 2004, 2005, 2007, 2009, 2014  Internet Systems Consortium, Inc. ("ISC")
   * Copyright (C) 1999-2002  Internet Software Consortium.
   *
   * Permission to use, copy, modify, and/or distribute this software for any
   * purpose with or without fee is hereby granted, provided that the above
   * copyright notice and this permission notice appear in all copies.
   *
   * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
   * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
   * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
   * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
   * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
   * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
   * PERFORMANCE OF THIS SOFTWARE.
   */
  
  /* Id: aaaa_28.c,v 1.47 2009/12/04 22:06:37 tbox Exp  */
  
  /* Reviewed: Thu Mar 16 16:52:50 PST 2000 by bwelling */
  
  /* RFC1886 */
  
  #ifndef RDATA_IN_1_AAAA_28_C
  #define RDATA_IN_1_AAAA_28_C
  
  #include <isc/net.h>
  
  #define RRTYPE_AAAA_ATTRIBUTES (0)
  
  static inline isc_result_t
  fromtext_in_aaaa(ARGS_FROMTEXT) {
  	isc_token_t token;
  	unsigned char addr[16];
  	isc_region_t region;
  
  	REQUIRE(type == 28);
  	REQUIRE(rdclass == 1);
  
  	UNUSED(type);
  	UNUSED(origin);
  	UNUSED(options);
  	UNUSED(rdclass);
  	UNUSED(callbacks);
  
  	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
  				      ISC_FALSE));
  
  	if (inet_pton(AF_INET6, DNS_AS_STR(token), addr) != 1)
  		RETTOK(DNS_R_BADAAAA);
  	isc_buffer_availableregion(target, &region);
  	if (region.length < 16)
  		return (ISC_R_NOSPACE);
  	memmove(region.base, addr, 16);
  	isc_buffer_add(target, 16);
  	return (ISC_R_SUCCESS);
  }
  
  static inline isc_result_t
  totext_in_aaaa(ARGS_TOTEXT) {
  	isc_region_t region;
  
  	UNUSED(tctx);
  
  	REQUIRE(rdata->type == 28);
  	REQUIRE(rdata->rdclass == 1);
  	REQUIRE(rdata->length == 16);
  
  	dns_rdata_toregion(rdata, &region);
  	return (inet_totext(AF_INET6, &region, target));
  }
  
  static inline isc_result_t
  fromwire_in_aaaa(ARGS_FROMWIRE) {
  	isc_region_t sregion;
  	isc_region_t tregion;
  
  	REQUIRE(type == 28);
  	REQUIRE(rdclass == 1);
  
  	UNUSED(type);
  	UNUSED(dctx);
  	UNUSED(options);
  	UNUSED(rdclass);
  
  	isc_buffer_activeregion(source, &sregion);
  	isc_buffer_availableregion(target, &tregion);
  	if (sregion.length < 16)
  		return (ISC_R_UNEXPECTEDEND);
  	if (tregion.length < 16)
  		return (ISC_R_NOSPACE);
  
  	memmove(tregion.base, sregion.base, 16);
  	isc_buffer_forward(source, 16);
  	isc_buffer_add(target, 16);
  	return (ISC_R_SUCCESS);
  }
  
  static inline isc_result_t
  towire_in_aaaa(ARGS_TOWIRE) {
  	isc_region_t region;
  
  	UNUSED(cctx);
  
  	REQUIRE(rdata->type == 28);
  	REQUIRE(rdata->rdclass == 1);
  	REQUIRE(rdata->length == 16);
  
  	isc_buffer_availableregion(target, &region);
  	if (region.length < rdata->length)
  		return (ISC_R_NOSPACE);
  	memmove(region.base, rdata->data, rdata->length);
  	isc_buffer_add(target, 16);
  	return (ISC_R_SUCCESS);
  }
  
  static inline int
  compare_in_aaaa(ARGS_COMPARE) {
  	isc_region_t r1;
  	isc_region_t r2;
  
  	REQUIRE(rdata1->type == rdata2->type);
  	REQUIRE(rdata1->rdclass == rdata2->rdclass);
  	REQUIRE(rdata1->type == 28);
  	REQUIRE(rdata1->rdclass == 1);
  	REQUIRE(rdata1->length == 16);
  	REQUIRE(rdata2->length == 16);
  
  	dns_rdata_toregion(rdata1, &r1);
  	dns_rdata_toregion(rdata2, &r2);
  	return (isc_region_compare(&r1, &r2));
  }
  
  static inline isc_result_t
  fromstruct_in_aaaa(ARGS_FROMSTRUCT) {
  	dns_rdata_in_aaaa_t *aaaa = source;
  
  	REQUIRE(type == 28);
  	REQUIRE(rdclass == 1);
  	REQUIRE(source != NULL);
  	REQUIRE(aaaa->common.rdtype == type);
  	REQUIRE(aaaa->common.rdclass == rdclass);
  
  	UNUSED(type);
  	UNUSED(rdclass);
  
  	return (mem_tobuffer(target, aaaa->in6_addr.s6_addr, 16));
  }
  
  static inline isc_result_t
  tostruct_in_aaaa(ARGS_TOSTRUCT) {
  	dns_rdata_in_aaaa_t *aaaa = target;
  	isc_region_t r;
  
  	REQUIRE(rdata->type == 28);
  	REQUIRE(rdata->rdclass == 1);
  	REQUIRE(target != NULL);
  	REQUIRE(rdata->length == 16);
  
  	UNUSED(mctx);
  
  	aaaa->common.rdclass = rdata->rdclass;
  	aaaa->common.rdtype = rdata->type;
  	ISC_LINK_INIT(&aaaa->common, link);
  
  	dns_rdata_toregion(rdata, &r);
  	INSIST(r.length == 16);
  	memmove(aaaa->in6_addr.s6_addr, r.base, 16);
  
  	return (ISC_R_SUCCESS);
  }
  
  static inline void
  freestruct_in_aaaa(ARGS_FREESTRUCT) {
  	dns_rdata_in_aaaa_t *aaaa = source;
  
  	REQUIRE(source != NULL);
  	REQUIRE(aaaa->common.rdclass == 1);
  	REQUIRE(aaaa->common.rdtype == 28);
  
  	UNUSED(aaaa);
  }
  
  static inline isc_result_t
  additionaldata_in_aaaa(ARGS_ADDLDATA) {
  	REQUIRE(rdata->type == 28);
  	REQUIRE(rdata->rdclass == 1);
  
  	UNUSED(rdata);
  	UNUSED(add);
  	UNUSED(arg);
  
  	return (ISC_R_SUCCESS);
  }
  
  static inline isc_result_t
  digest_in_aaaa(ARGS_DIGEST) {
  	isc_region_t r;
  
  	REQUIRE(rdata->type == 28);
  	REQUIRE(rdata->rdclass == 1);
  
  	dns_rdata_toregion(rdata, &r);
  
  	return ((digest)(arg, &r));
  }
  
  static inline isc_boolean_t
  checkowner_in_aaaa(ARGS_CHECKOWNER) {
  
  	REQUIRE(type == 28);
  	REQUIRE(rdclass == 1);
  
  	UNUSED(type);
  	UNUSED(rdclass);
  
  	return (dns_name_ishostname(name, wildcard));
  }
  
  static inline isc_boolean_t
  checknames_in_aaaa(ARGS_CHECKNAMES) {
  
  	REQUIRE(rdata->type == 28);
  	REQUIRE(rdata->rdclass == 1);
  
  	UNUSED(rdata);
  	UNUSED(owner);
  	UNUSED(bad);
  
  	return (ISC_TRUE);
  }
  
  static inline int
  casecompare_in_aaaa(ARGS_COMPARE) {
  	return (compare_in_aaaa(rdata1, rdata2));
  }
  #endif	/* RDATA_IN_1_AAAA_28_C */
  