rdata/generic/mf_4.c

	mf_4.c revision 40f53fa8d9c6a4fc38c0014495e7a42b08f52481
ffd297db793b3efa3854f32f443b9f79e0417f2cAutomatic Updater/*
75b8de87879ad017c9cd2ffc328e5d2391d16e99Evan Hunt * Copyright (C) 1998-2000  Internet Software Consortium.
75b8de87879ad017c9cd2ffc328e5d2391d16e99Evan Hunt *
75b8de87879ad017c9cd2ffc328e5d2391d16e99Evan Hunt * Permission to use, copy, modify, and distribute this software for any
75b8de87879ad017c9cd2ffc328e5d2391d16e99Evan Hunt * purpose with or without fee is hereby granted, provided that the above
75b8de87879ad017c9cd2ffc328e5d2391d16e99Evan Hunt * copyright notice and this permission notice appear in all copies.
75b8de87879ad017c9cd2ffc328e5d2391d16e99Evan Hunt *
75b8de87879ad017c9cd2ffc328e5d2391d16e99Evan Hunt * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
75b8de87879ad017c9cd2ffc328e5d2391d16e99Evan Hunt * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
75b8de87879ad017c9cd2ffc328e5d2391d16e99Evan Hunt * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
75b8de87879ad017c9cd2ffc328e5d2391d16e99Evan Hunt * INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
75b8de87879ad017c9cd2ffc328e5d2391d16e99Evan Hunt * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
75b8de87879ad017c9cd2ffc328e5d2391d16e99Evan Hunt * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
75b8de87879ad017c9cd2ffc328e5d2391d16e99Evan Hunt * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
ffd297db793b3efa3854f32f443b9f79e0417f2cAutomatic Updater * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
75b8de87879ad017c9cd2ffc328e5d2391d16e99Evan Hunt */
75b8de87879ad017c9cd2ffc328e5d2391d16e99Evan Hunt
75b8de87879ad017c9cd2ffc328e5d2391d16e99Evan Hunt/* $Id: mf_4.c,v 1.33 2000/08/01 01:25:30 tale Exp $ */
75b8de87879ad017c9cd2ffc328e5d2391d16e99Evan Hunt
75b8de87879ad017c9cd2ffc328e5d2391d16e99Evan Hunt/* reviewed: Wed Mar 15 17:47:33 PST 2000 by brister */
75b8de87879ad017c9cd2ffc328e5d2391d16e99Evan Hunt
75b8de87879ad017c9cd2ffc328e5d2391d16e99Evan Hunt#ifndef RDATA_GENERIC_MF_4_C
75b8de87879ad017c9cd2ffc328e5d2391d16e99Evan Hunt#define RDATA_GENERIC_MF_4_C
75b8de87879ad017c9cd2ffc328e5d2391d16e99Evan Hunt
75b8de87879ad017c9cd2ffc328e5d2391d16e99Evan Hunt#define RRTYPE_MF_ATTRIBUTES (0)
75b8de87879ad017c9cd2ffc328e5d2391d16e99Evan Hunt
75b8de87879ad017c9cd2ffc328e5d2391d16e99Evan Huntstatic inline isc_result_t
75b8de87879ad017c9cd2ffc328e5d2391d16e99Evan Huntfromtext_mf(ARGS_FROMTEXT) {
75b8de87879ad017c9cd2ffc328e5d2391d16e99Evan Hunt    isc_token_t token;
75b8de87879ad017c9cd2ffc328e5d2391d16e99Evan Hunt    dns_name_t name;
75b8de87879ad017c9cd2ffc328e5d2391d16e99Evan Hunt    isc_buffer_t buffer;
75b8de87879ad017c9cd2ffc328e5d2391d16e99Evan Hunt
75b8de87879ad017c9cd2ffc328e5d2391d16e99Evan Hunt    REQUIRE(type == 4);
75b8de87879ad017c9cd2ffc328e5d2391d16e99Evan Hunt
75b8de87879ad017c9cd2ffc328e5d2391d16e99Evan Hunt    UNUSED(rdclass);
75b8de87879ad017c9cd2ffc328e5d2391d16e99Evan Hunt
75b8de87879ad017c9cd2ffc328e5d2391d16e99Evan Hunt    RETERR(gettoken(lexer, &token, isc_tokentype_string, ISC_FALSE));
75b8de87879ad017c9cd2ffc328e5d2391d16e99Evan Hunt
75b8de87879ad017c9cd2ffc328e5d2391d16e99Evan Hunt    dns_name_init(&name, NULL);
75b8de87879ad017c9cd2ffc328e5d2391d16e99Evan Hunt    buffer_fromregion(&buffer, &token.value.as_region);
    origin = (origin != NULL) ? origin : dns_rootname;
    return (dns_name_fromtext(&name, &buffer, origin, downcase, target));
}

static inline isc_result_t
totext_mf(ARGS_TOTEXT) {
    isc_region_t region;
    dns_name_t name;
    dns_name_t prefix;
    isc_boolean_t sub;

    REQUIRE(rdata->type == 4);

    dns_name_init(&name, NULL);
    dns_name_init(&prefix, NULL);

    dns_rdata_toregion(rdata, &region);
    dns_name_fromregion(&name, &region);

    sub = name_prefix(&name, tctx->origin, &prefix);

    return (dns_name_totext(&prefix, sub, target));
}

static inline isc_result_t
fromwire_mf(ARGS_FROMWIRE) {
        dns_name_t name;

    REQUIRE(type == 4);

    UNUSED(rdclass);

    dns_decompress_setmethods(dctx, DNS_COMPRESS_GLOBAL14);

        dns_name_init(&name, NULL);
        return (dns_name_fromwire(&name, source, dctx, downcase, target));
}

static inline isc_result_t
towire_mf(ARGS_TOWIRE) {
    dns_name_t name;
    isc_region_t region;

    REQUIRE(rdata->type == 4);

    dns_compress_setmethods(cctx, DNS_COMPRESS_GLOBAL14);

    dns_name_init(&name, NULL);
    dns_rdata_toregion(rdata, &region);
    dns_name_fromregion(&name, &region);

    return (dns_name_towire(&name, cctx, target));
}

static inline int
compare_mf(ARGS_COMPARE) {
    dns_name_t name1;
    dns_name_t name2;
    isc_region_t region1;
    isc_region_t region2;

    REQUIRE(rdata1->type == rdata2->type);
    REQUIRE(rdata1->rdclass == rdata2->rdclass);
    REQUIRE(rdata1->type == 4);

    dns_name_init(&name1, NULL);
    dns_name_init(&name2, NULL);

    dns_rdata_toregion(rdata1, &region1);
    dns_rdata_toregion(rdata2, &region2);

    dns_name_fromregion(&name1, &region1);
    dns_name_fromregion(&name2, &region2);

    return (dns_name_rdatacompare(&name1, &name2));
}

static inline isc_result_t
fromstruct_mf(ARGS_FROMSTRUCT) {
    dns_rdata_mf_t *mf = source;
    isc_region_t region;

    REQUIRE(type == 4);
    REQUIRE(source != NULL);
    REQUIRE(mf->common.rdtype == type);
    REQUIRE(mf->common.rdclass == rdclass);

    dns_name_toregion(&mf->mf, &region);
    return (isc_buffer_copyregion(target, &region));
}

static inline isc_result_t
tostruct_mf(ARGS_TOSTRUCT) {
    dns_rdata_mf_t *mf = target;
    isc_region_t r;
    dns_name_t name;

    REQUIRE(rdata->type == 4);
    REQUIRE(target != NULL);

    mf->common.rdclass = rdata->rdclass;
    mf->common.rdtype = rdata->type;
    ISC_LINK_INIT(&mf->common, link);

    dns_name_init(&name, NULL);
    dns_rdata_toregion(rdata, &r);
    dns_name_fromregion(&name, &r);
    dns_name_init(&mf->mf, NULL);
    RETERR(name_duporclone(&name, mctx, &mf->mf));
    mf->mctx = mctx;
    return (ISC_R_SUCCESS);
}

static inline void
freestruct_mf(ARGS_FREESTRUCT) {
    dns_rdata_mf_t *mf = source;

    REQUIRE(source != NULL);
    REQUIRE(mf->common.rdtype == 4);

    if (mf->mctx == NULL)
        return;
    dns_name_free(&mf->mf, mf->mctx);
    mf->mctx = NULL;
}

static inline isc_result_t
additionaldata_mf(ARGS_ADDLDATA) {
    dns_name_t name;
    isc_region_t region;

    REQUIRE(rdata->type == 4);

    dns_name_init(&name, NULL);
    dns_rdata_toregion(rdata, &region);
    dns_name_fromregion(&name, &region);

    return ((add)(arg, &name, dns_rdatatype_a));
}

static inline isc_result_t
digest_mf(ARGS_DIGEST) {
    isc_region_t r;
    dns_name_t name;

    REQUIRE(rdata->type == 4);

    dns_rdata_toregion(rdata, &r);
    dns_name_init(&name, NULL);
    dns_name_fromregion(&name, &r);

    return (dns_name_digest(&name, digest, arg));
}

#endif  /* RDATA_GENERIC_MF_4_C */