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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.
*/
/* RFC1706 */
#ifndef RDATA_IN_1_NSAP_22_C
#define RDATA_IN_1_NSAP_22_C
#define RRTYPE_NSAP_ATTRIBUTES (0)
static isc_result_t
fromtext_in_nsap(ARGS_FROMTEXT) {
isc_token_t token;
isc_textregion_t *sr;
int n;
bool valid = false;
int digits = 0;
unsigned char c = 0;
REQUIRE(type == dns_rdatatype_nsap);
REQUIRE(rdclass == dns_rdataclass_in);
UNUSED(type);
UNUSED(origin);
UNUSED(options);
UNUSED(rdclass);
UNUSED(callbacks);
/* 0x<hex.string.with.periods> */
RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
false));
sr = &token.value.as_textregion;
if (sr->length < 2) {
RETTOK(ISC_R_UNEXPECTEDEND);
}
if (sr->base[0] != '0' || (sr->base[1] != 'x' && sr->base[1] != 'X')) {
RETTOK(DNS_R_SYNTAX);
}
isc_textregion_consume(sr, 2);
while (sr->length > 0) {
if (sr->base[0] == '.') {
isc_textregion_consume(sr, 1);
continue;
}
if ((n = hexvalue(sr->base[0])) == -1) {
RETTOK(DNS_R_SYNTAX);
}
c <<= 4;
c += n;
if (++digits == 2) {
RETERR(mem_tobuffer(target, &c, 1));
valid = true;
digits = 0;
c = 0;
}
isc_textregion_consume(sr, 1);
}
if (digits != 0 || !valid) {
RETTOK(ISC_R_UNEXPECTEDEND);
}
return (ISC_R_SUCCESS);
}
static isc_result_t
totext_in_nsap(ARGS_TOTEXT) {
isc_region_t region;
char buf[sizeof("xx")];
REQUIRE(rdata->type == dns_rdatatype_nsap);
REQUIRE(rdata->rdclass == dns_rdataclass_in);
REQUIRE(rdata->length != 0);
UNUSED(tctx);
dns_rdata_toregion(rdata, ®ion);
RETERR(str_totext("0x", target));
while (region.length != 0) {
snprintf(buf, sizeof(buf), "%02x", region.base[0]);
isc_region_consume(®ion, 1);
RETERR(str_totext(buf, target));
}
return (ISC_R_SUCCESS);
}
static isc_result_t
fromwire_in_nsap(ARGS_FROMWIRE) {
isc_region_t region;
REQUIRE(type == dns_rdatatype_nsap);
REQUIRE(rdclass == dns_rdataclass_in);
UNUSED(type);
UNUSED(dctx);
UNUSED(options);
UNUSED(rdclass);
isc_buffer_activeregion(source, ®ion);
if (region.length < 1) {
return (ISC_R_UNEXPECTEDEND);
}
RETERR(mem_tobuffer(target, region.base, region.length));
isc_buffer_forward(source, region.length);
return (ISC_R_SUCCESS);
}
static isc_result_t
towire_in_nsap(ARGS_TOWIRE) {
REQUIRE(rdata->type == dns_rdatatype_nsap);
REQUIRE(rdata->rdclass == dns_rdataclass_in);
REQUIRE(rdata->length != 0);
UNUSED(cctx);
return (mem_tobuffer(target, rdata->data, rdata->length));
}
static int
compare_in_nsap(ARGS_COMPARE) {
isc_region_t r1;
isc_region_t r2;
REQUIRE(rdata1->type == rdata2->type);
REQUIRE(rdata1->rdclass == rdata2->rdclass);
REQUIRE(rdata1->type == dns_rdatatype_nsap);
REQUIRE(rdata1->rdclass == dns_rdataclass_in);
REQUIRE(rdata1->length != 0);
REQUIRE(rdata2->length != 0);
dns_rdata_toregion(rdata1, &r1);
dns_rdata_toregion(rdata2, &r2);
return (isc_region_compare(&r1, &r2));
}
static isc_result_t
fromstruct_in_nsap(ARGS_FROMSTRUCT) {
dns_rdata_in_nsap_t *nsap = source;
REQUIRE(type == dns_rdatatype_nsap);
REQUIRE(rdclass == dns_rdataclass_in);
REQUIRE(nsap != NULL);
REQUIRE(nsap->common.rdtype == type);
REQUIRE(nsap->common.rdclass == rdclass);
REQUIRE(nsap->nsap != NULL || nsap->nsap_len == 0);
UNUSED(type);
UNUSED(rdclass);
return (mem_tobuffer(target, nsap->nsap, nsap->nsap_len));
}
static isc_result_t
tostruct_in_nsap(ARGS_TOSTRUCT) {
dns_rdata_in_nsap_t *nsap = target;
isc_region_t r;
REQUIRE(rdata->type == dns_rdatatype_nsap);
REQUIRE(rdata->rdclass == dns_rdataclass_in);
REQUIRE(nsap != NULL);
REQUIRE(rdata->length != 0);
nsap->common.rdclass = rdata->rdclass;
nsap->common.rdtype = rdata->type;
ISC_LINK_INIT(&nsap->common, link);
dns_rdata_toregion(rdata, &r);
nsap->nsap_len = r.length;
nsap->nsap = mem_maybedup(mctx, r.base, r.length);
if (nsap->nsap == NULL) {
return (ISC_R_NOMEMORY);
}
nsap->mctx = mctx;
return (ISC_R_SUCCESS);
}
static void
freestruct_in_nsap(ARGS_FREESTRUCT) {
dns_rdata_in_nsap_t *nsap = source;
REQUIRE(nsap != NULL);
REQUIRE(nsap->common.rdclass == dns_rdataclass_in);
REQUIRE(nsap->common.rdtype == dns_rdatatype_nsap);
if (nsap->mctx == NULL) {
return;
}
if (nsap->nsap != NULL) {
isc_mem_free(nsap->mctx, nsap->nsap);
}
nsap->mctx = NULL;
}
static isc_result_t
additionaldata_in_nsap(ARGS_ADDLDATA) {
REQUIRE(rdata->type == dns_rdatatype_nsap);
REQUIRE(rdata->rdclass == dns_rdataclass_in);
UNUSED(rdata);
UNUSED(add);
UNUSED(arg);
return (ISC_R_SUCCESS);
}
static isc_result_t
digest_in_nsap(ARGS_DIGEST) {
isc_region_t r;
REQUIRE(rdata->type == dns_rdatatype_nsap);
REQUIRE(rdata->rdclass == dns_rdataclass_in);
dns_rdata_toregion(rdata, &r);
return ((digest)(arg, &r));
}
static bool
checkowner_in_nsap(ARGS_CHECKOWNER) {
REQUIRE(type == dns_rdatatype_nsap);
REQUIRE(rdclass == dns_rdataclass_in);
UNUSED(name);
UNUSED(type);
UNUSED(rdclass);
UNUSED(wildcard);
return (true);
}
static bool
checknames_in_nsap(ARGS_CHECKNAMES) {
REQUIRE(rdata->type == dns_rdatatype_nsap);
REQUIRE(rdata->rdclass == dns_rdataclass_in);
UNUSED(rdata);
UNUSED(owner);
UNUSED(bad);
return (true);
}
static int
casecompare_in_nsap(ARGS_COMPARE) {
return (compare_in_nsap(rdata1, rdata2));
}
#endif /* RDATA_IN_1_NSAP_22_C */
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