rdata/generic/cds_59.c

/*
 * Copyright (C) 2014-2016  Internet Systems Consortium, Inc. ("ISC")
 *
 * 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 http://mozilla.org/MPL/2.0/.
 */

/* draft-ietf-dnsop-delegation-trust-maintainance-14 */

#ifndef RDATA_GENERIC_CDS_59_C
#define RDATA_GENERIC_CDS_59_C

#define RRTYPE_CDS_ATTRIBUTES 0

#include <isc/sha1.h>
#include <isc/sha2.h>

#include <dns/ds.h>

#include "dst_gost.h"

static inline isc_result_t
fromtext_cds(ARGS_FROMTEXT) {

    REQUIRE(type == dns_rdatatype_cds);

    return (generic_fromtext_ds(rdclass, type, lexer, origin, options,
                    target, callbacks));
}

static inline isc_result_t
totext_cds(ARGS_TOTEXT) {

    REQUIRE(rdata->type == dns_rdatatype_cds);

    return (generic_totext_ds(rdata, tctx, target));
}

static inline isc_result_t
fromwire_cds(ARGS_FROMWIRE) {

    REQUIRE(type == dns_rdatatype_cds);

    return (generic_fromwire_ds(rdclass, type, source, dctx, options,
                    target));
}

static inline isc_result_t
towire_cds(ARGS_TOWIRE) {
    isc_region_t sr;

    REQUIRE(rdata->type == dns_rdatatype_cds);
    REQUIRE(rdata->length != 0);

    UNUSED(cctx);

    dns_rdata_toregion(rdata, &sr);
    return (mem_tobuffer(target, sr.base, sr.length));
}

static inline int
compare_cds(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_cds);
    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 inline isc_result_t
fromstruct_cds(ARGS_FROMSTRUCT) {

    REQUIRE(type == dns_rdatatype_cds);

    return (generic_fromstruct_ds(rdclass, type, source, target));
}

static inline isc_result_t
tostruct_cds(ARGS_TOSTRUCT) {
    dns_rdata_cds_t *cds = target;

    REQUIRE(rdata->type == dns_rdatatype_cds);
    REQUIRE(target != NULL);
    REQUIRE(rdata->length != 0);

    /*
     * Checked by generic_tostruct_ds().
     */
    cds->common.rdclass = rdata->rdclass;
    cds->common.rdtype = rdata->type;
    ISC_LINK_INIT(&cds->common, link);

    return (generic_tostruct_ds(rdata, target, mctx));
}

static inline void
freestruct_cds(ARGS_FREESTRUCT) {
    dns_rdata_cds_t *ds = source;

    REQUIRE(ds != NULL);
    REQUIRE(ds->common.rdtype == dns_rdatatype_cds);

    if (ds->mctx == NULL)
        return;

    if (ds->digest != NULL)
        isc_mem_free(ds->mctx, ds->digest);
    ds->mctx = NULL;
}

static inline isc_result_t
additionaldata_cds(ARGS_ADDLDATA) {
    REQUIRE(rdata->type == dns_rdatatype_cds);

    UNUSED(rdata);
    UNUSED(add);
    UNUSED(arg);

    return (ISC_R_SUCCESS);
}

static inline isc_result_t
digest_cds(ARGS_DIGEST) {
    isc_region_t r;

    REQUIRE(rdata->type == dns_rdatatype_cds);

    dns_rdata_toregion(rdata, &r);

    return ((digest)(arg, &r));
}

static inline isc_boolean_t
checkowner_cds(ARGS_CHECKOWNER) {

    REQUIRE(type == dns_rdatatype_cds);

    UNUSED(name);
    UNUSED(type);
    UNUSED(rdclass);
    UNUSED(wildcard);

    return (ISC_TRUE);
}

static inline isc_boolean_t
checknames_cds(ARGS_CHECKNAMES) {

    REQUIRE(rdata->type == dns_rdatatype_cds);

    UNUSED(rdata);
    UNUSED(owner);
    UNUSED(bad);

    return (ISC_TRUE);
}

static inline int
casecompare_cds(ARGS_COMPARE) {
    return (compare_cds(rdata1, rdata2));
}

#endif  /* RDATA_GENERIC_CDS_59_C */