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/*
* Copyright (C) 2004, 2007 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: a_1.c,v 1.31 2007/06/19 23:47:17 tbox Exp $ */
/* reviewed: Thu Mar 16 15:58:36 PST 2000 by brister */
#ifndef RDATA_HS_4_A_1_C
#define RDATA_HS_4_A_1_C
#include <isc/net.h>
#define RRTYPE_A_ATTRIBUTES (0)
static inline isc_result_t
fromtext_hs_a(ARGS_FROMTEXT) {
isc_token_t token;
struct in_addr addr;
isc_region_t region;
REQUIRE(type == 1);
REQUIRE(rdclass == 4);
UNUSED(type);
UNUSED(origin);
UNUSED(options);
UNUSED(rdclass);
RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
ISC_FALSE));
if (getquad(DNS_AS_STR(token), &addr, lexer, callbacks) != 1)
RETTOK(DNS_R_BADDOTTEDQUAD);
isc_buffer_availableregion(target, ®ion);
if (region.length < 4)
return (ISC_R_NOSPACE);
memcpy(region.base, &addr, 4);
isc_buffer_add(target, 4);
return (ISC_R_SUCCESS);
}
static inline isc_result_t
totext_hs_a(ARGS_TOTEXT) {
isc_region_t region;
REQUIRE(rdata->type == 1);
REQUIRE(rdata->rdclass == 4);
REQUIRE(rdata->length == 4);
UNUSED(tctx);
dns_rdata_toregion(rdata, ®ion);
return (inet_totext(AF_INET, ®ion, target));
}
static inline isc_result_t
fromwire_hs_a(ARGS_FROMWIRE) {
isc_region_t sregion;
isc_region_t tregion;
REQUIRE(type == 1);
REQUIRE(rdclass == 4);
UNUSED(type);
UNUSED(dctx);
UNUSED(options);
UNUSED(rdclass);
isc_buffer_activeregion(source, &sregion);
isc_buffer_availableregion(target, &tregion);
if (sregion.length < 4)
return (ISC_R_UNEXPECTEDEND);
if (tregion.length < 4)
return (ISC_R_NOSPACE);
memcpy(tregion.base, sregion.base, 4);
isc_buffer_forward(source, 4);
isc_buffer_add(target, 4);
return (ISC_R_SUCCESS);
}
static inline isc_result_t
towire_hs_a(ARGS_TOWIRE) {
isc_region_t region;
REQUIRE(rdata->type == 1);
REQUIRE(rdata->rdclass == 4);
REQUIRE(rdata->length == 4);
UNUSED(cctx);
isc_buffer_availableregion(target, ®ion);
if (region.length < rdata->length)
return (ISC_R_NOSPACE);
memcpy(region.base, rdata->data, rdata->length);
isc_buffer_add(target, 4);
return (ISC_R_SUCCESS);
}
static inline int
compare_hs_a(ARGS_COMPARE) {
int order;
REQUIRE(rdata1->type == rdata2->type);
REQUIRE(rdata1->rdclass == rdata2->rdclass);
REQUIRE(rdata1->type == 1);
REQUIRE(rdata1->rdclass == 4);
REQUIRE(rdata1->length == 4);
REQUIRE(rdata2->length == 4);
order = memcmp(rdata1->data, rdata2->data, 4);
if (order != 0)
order = (order < 0) ? -1 : 1;
return (order);
}
static inline isc_result_t
fromstruct_hs_a(ARGS_FROMSTRUCT) {
dns_rdata_hs_a_t *a = source;
isc_uint32_t n;
REQUIRE(type == 1);
REQUIRE(rdclass == 4);
REQUIRE(source != NULL);
REQUIRE(a->common.rdtype == type);
REQUIRE(a->common.rdclass == rdclass);
UNUSED(type);
UNUSED(rdclass);
n = ntohl(a->in_addr.s_addr);
return (uint32_tobuffer(n, target));
}
static inline isc_result_t
tostruct_hs_a(ARGS_TOSTRUCT) {
dns_rdata_hs_a_t *a = target;
isc_uint32_t n;
isc_region_t region;
REQUIRE(rdata->type == 1);
REQUIRE(rdata->rdclass == 4);
REQUIRE(rdata->length == 4);
UNUSED(mctx);
a->common.rdclass = rdata->rdclass;
a->common.rdtype = rdata->type;
ISC_LINK_INIT(&a->common, link);
dns_rdata_toregion(rdata, ®ion);
n = uint32_fromregion(®ion);
a->in_addr.s_addr = htonl(n);
return (ISC_R_SUCCESS);
}
static inline void
freestruct_hs_a(ARGS_FREESTRUCT) {
UNUSED(source);
REQUIRE(source != NULL);
}
static inline isc_result_t
additionaldata_hs_a(ARGS_ADDLDATA) {
REQUIRE(rdata->type == 1);
REQUIRE(rdata->rdclass == 4);
UNUSED(rdata);
UNUSED(add);
UNUSED(arg);
return (ISC_R_SUCCESS);
}
static inline isc_result_t
digest_hs_a(ARGS_DIGEST) {
isc_region_t r;
REQUIRE(rdata->type == 1);
REQUIRE(rdata->rdclass == 4);
dns_rdata_toregion(rdata, &r);
return ((digest)(arg, &r));
}
static inline isc_boolean_t
checkowner_hs_a(ARGS_CHECKOWNER) {
REQUIRE(type == 1);
REQUIRE(rdclass == 4);
UNUSED(name);
UNUSED(type);
UNUSED(rdclass);
UNUSED(wildcard);
return (ISC_TRUE);
}
static inline isc_boolean_t
checknames_hs_a(ARGS_CHECKNAMES) {
REQUIRE(rdata->type == 1);
REQUIRE(rdata->rdclass == 4);
UNUSED(rdata);
UNUSED(owner);
UNUSED(bad);
return (ISC_TRUE);
}
#endif /* RDATA_HS_4_A_1_C */
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