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/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* SPDX-License-Identifier: MPL-2.0
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
#ifndef RDATA_GENERIC_L32_105_C
#define RDATA_GENERIC_L32_105_C
#include <string.h>
#include <isc/net.h>
#define RRTYPE_L32_ATTRIBUTES (0)
static isc_result_t
fromtext_l32(ARGS_FROMTEXT) {
isc_token_t token;
struct in_addr addr;
isc_region_t region;
REQUIRE(type == dns_rdatatype_l32);
UNUSED(type);
UNUSED(rdclass);
UNUSED(origin);
UNUSED(options);
UNUSED(callbacks);
RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number,
false));
if (token.value.as_ulong > 0xffffU) {
RETTOK(ISC_R_RANGE);
}
RETERR(uint16_tobuffer(token.value.as_ulong, target));
RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
false));
if (inet_pton(AF_INET, DNS_AS_STR(token), &addr) != 1) {
RETTOK(DNS_R_BADDOTTEDQUAD);
}
isc_buffer_availableregion(target, ®ion);
if (region.length < 4) {
return (ISC_R_NOSPACE);
}
memmove(region.base, &addr, 4);
isc_buffer_add(target, 4);
return (ISC_R_SUCCESS);
}
static isc_result_t
totext_l32(ARGS_TOTEXT) {
isc_region_t region;
char buf[sizeof("65000")];
unsigned short num;
REQUIRE(rdata->type == dns_rdatatype_l32);
REQUIRE(rdata->length == 6);
UNUSED(tctx);
dns_rdata_toregion(rdata, ®ion);
num = uint16_fromregion(®ion);
isc_region_consume(®ion, 2);
snprintf(buf, sizeof(buf), "%u", num);
RETERR(str_totext(buf, target));
RETERR(str_totext(" ", target));
return (inet_totext(AF_INET, tctx->flags, ®ion, target));
}
static isc_result_t
fromwire_l32(ARGS_FROMWIRE) {
isc_region_t sregion;
REQUIRE(type == dns_rdatatype_l32);
UNUSED(type);
UNUSED(options);
UNUSED(rdclass);
UNUSED(dctx);
isc_buffer_activeregion(source, &sregion);
if (sregion.length != 6) {
return (DNS_R_FORMERR);
}
isc_buffer_forward(source, sregion.length);
return (mem_tobuffer(target, sregion.base, sregion.length));
}
static isc_result_t
towire_l32(ARGS_TOWIRE) {
REQUIRE(rdata->type == dns_rdatatype_l32);
REQUIRE(rdata->length == 6);
UNUSED(cctx);
return (mem_tobuffer(target, rdata->data, rdata->length));
}
static int
compare_l32(ARGS_COMPARE) {
isc_region_t region1;
isc_region_t region2;
REQUIRE(rdata1->type == rdata2->type);
REQUIRE(rdata1->rdclass == rdata2->rdclass);
REQUIRE(rdata1->type == dns_rdatatype_l32);
REQUIRE(rdata1->length == 6);
REQUIRE(rdata2->length == 6);
dns_rdata_toregion(rdata1, ®ion1);
dns_rdata_toregion(rdata2, ®ion2);
return (isc_region_compare(®ion1, ®ion2));
}
static isc_result_t
fromstruct_l32(ARGS_FROMSTRUCT) {
dns_rdata_l32_t *l32 = source;
uint32_t n;
REQUIRE(type == dns_rdatatype_l32);
REQUIRE(l32 != NULL);
REQUIRE(l32->common.rdtype == type);
REQUIRE(l32->common.rdclass == rdclass);
UNUSED(type);
UNUSED(rdclass);
RETERR(uint16_tobuffer(l32->pref, target));
n = ntohl(l32->l32.s_addr);
return (uint32_tobuffer(n, target));
}
static isc_result_t
tostruct_l32(ARGS_TOSTRUCT) {
isc_region_t region;
dns_rdata_l32_t *l32 = target;
uint32_t n;
REQUIRE(rdata->type == dns_rdatatype_l32);
REQUIRE(l32 != NULL);
REQUIRE(rdata->length == 6);
UNUSED(mctx);
l32->common.rdclass = rdata->rdclass;
l32->common.rdtype = rdata->type;
ISC_LINK_INIT(&l32->common, link);
dns_rdata_toregion(rdata, ®ion);
l32->pref = uint16_fromregion(®ion);
n = uint32_fromregion(®ion);
l32->l32.s_addr = htonl(n);
return (ISC_R_SUCCESS);
}
static void
freestruct_l32(ARGS_FREESTRUCT) {
dns_rdata_l32_t *l32 = source;
REQUIRE(l32 != NULL);
REQUIRE(l32->common.rdtype == dns_rdatatype_l32);
return;
}
static isc_result_t
additionaldata_l32(ARGS_ADDLDATA) {
REQUIRE(rdata->type == dns_rdatatype_l32);
REQUIRE(rdata->length == 6);
UNUSED(rdata);
UNUSED(owner);
UNUSED(add);
UNUSED(arg);
return (ISC_R_SUCCESS);
}
static isc_result_t
digest_l32(ARGS_DIGEST) {
isc_region_t r;
REQUIRE(rdata->type == dns_rdatatype_l32);
REQUIRE(rdata->length == 6);
dns_rdata_toregion(rdata, &r);
return ((digest)(arg, &r));
}
static bool
checkowner_l32(ARGS_CHECKOWNER) {
REQUIRE(type == dns_rdatatype_l32);
UNUSED(name);
UNUSED(type);
UNUSED(rdclass);
UNUSED(wildcard);
return (true);
}
static bool
checknames_l32(ARGS_CHECKNAMES) {
REQUIRE(rdata->type == dns_rdatatype_l32);
REQUIRE(rdata->length == 6);
UNUSED(rdata);
UNUSED(owner);
UNUSED(bad);
return (true);
}
static int
casecompare_l32(ARGS_COMPARE) {
return (compare_l32(rdata1, rdata2));
}
#endif /* RDATA_GENERIC_L32_105_C */
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