rdata/in_1/dhcid_49.c

/*
 * Copyright (C) 2006, 2007, 2012  Internet Systems Consortium, Inc. ("ISC")
 *
 * 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.
 */

/* $Id$ */

/* RFC 4701 */

#ifndef RDATA_IN_1_DHCID_49_C
#define RDATA_IN_1_DHCID_49_C 1

#define RRTYPE_DHCID_ATTRIBUTES 0

static inline isc_result_t
fromtext_in_dhcid(ARGS_FROMTEXT) {

    REQUIRE(type == 49);
    REQUIRE(rdclass == 1);

    UNUSED(type);
    UNUSED(rdclass);
    UNUSED(origin);
    UNUSED(options);
    UNUSED(callbacks);

    return (isc_base64_tobuffer(lexer, target, -1));
}

static inline isc_result_t
totext_in_dhcid(ARGS_TOTEXT) {
    isc_region_t sr;
    char buf[sizeof(" ; 64000 255 64000")];
    size_t n;

    REQUIRE(rdata->type == 49);
    REQUIRE(rdata->rdclass == 1);
    REQUIRE(rdata->length != 0);

    dns_rdata_toregion(rdata, &sr);

    if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
        RETERR(str_totext("( " /*)*/, target));
    RETERR(isc_base64_totext(&sr, tctx->width - 2, tctx->linebreak,
                 target));
    if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0) {
        RETERR(str_totext(/* ( */ " )", target));
        if (rdata->length > 2) {
            n = snprintf(buf, sizeof(buf), " ; %u %u %u",
                     sr.base[0] * 256 + sr.base[1],
                     sr.base[2], rdata->length - 3);
            INSIST(n < sizeof(buf));
            RETERR(str_totext(buf, target));
        }
    }
    return (ISC_R_SUCCESS);
}

static inline isc_result_t
fromwire_in_dhcid(ARGS_FROMWIRE) {
    isc_region_t sr;

    REQUIRE(type == 49);
    REQUIRE(rdclass == 1);

    UNUSED(type);
    UNUSED(rdclass);
    UNUSED(dctx);
    UNUSED(options);

    isc_buffer_activeregion(source, &sr);
    if (sr.length == 0)
        return (ISC_R_UNEXPECTEDEND);

    isc_buffer_forward(source, sr.length);
    return (mem_tobuffer(target, sr.base, sr.length));
}

static inline isc_result_t
towire_in_dhcid(ARGS_TOWIRE) {
    isc_region_t sr;

    REQUIRE(rdata->type == 49);
    REQUIRE(rdata->rdclass == 1);
    REQUIRE(rdata->length != 0);

    UNUSED(cctx);

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

static inline int
compare_in_dhcid(ARGS_COMPARE) {
    isc_region_t r1;
    isc_region_t r2;

    REQUIRE(rdata1->type == rdata2->type);
    REQUIRE(rdata1->rdclass == rdata2->rdclass);
    REQUIRE(rdata1->type == 49);
    REQUIRE(rdata1->rdclass == 1);
    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_in_dhcid(ARGS_FROMSTRUCT) {
    dns_rdata_in_dhcid_t *dhcid = source;

    REQUIRE(type == 49);
    REQUIRE(rdclass == 1);
    REQUIRE(source != NULL);
    REQUIRE(dhcid->common.rdtype == type);
    REQUIRE(dhcid->common.rdclass == rdclass);
    REQUIRE(dhcid->length != 0);

    UNUSED(type);
    UNUSED(rdclass);

    return (mem_tobuffer(target, dhcid->dhcid, dhcid->length));
}

static inline isc_result_t
tostruct_in_dhcid(ARGS_TOSTRUCT) {
    dns_rdata_in_dhcid_t *dhcid = target;
    isc_region_t region;

    REQUIRE(rdata->type == 49);
    REQUIRE(rdata->rdclass == 1);
    REQUIRE(target != NULL);
    REQUIRE(rdata->length != 0);

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

    dns_rdata_toregion(rdata, &region);

    dhcid->dhcid = mem_maybedup(mctx, region.base, region.length);
    if (dhcid->dhcid == NULL)
        return (ISC_R_NOMEMORY);

    dhcid->mctx = mctx;
    return (ISC_R_SUCCESS);
}

static inline void
freestruct_in_dhcid(ARGS_FREESTRUCT) {
    dns_rdata_in_dhcid_t *dhcid = source;

    REQUIRE(dhcid != NULL);
    REQUIRE(dhcid->common.rdtype == 49);
    REQUIRE(dhcid->common.rdclass == 1);

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

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

static inline isc_result_t
additionaldata_in_dhcid(ARGS_ADDLDATA) {
    REQUIRE(rdata->type == 49);
    REQUIRE(rdata->rdclass == 1);

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

    return (ISC_R_SUCCESS);
}

static inline isc_result_t
digest_in_dhcid(ARGS_DIGEST) {
    isc_region_t r;

    REQUIRE(rdata->type == 49);
    REQUIRE(rdata->rdclass == 1);

    dns_rdata_toregion(rdata, &r);

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

static inline isc_boolean_t
checkowner_in_dhcid(ARGS_CHECKOWNER) {

    REQUIRE(type == 49);
    REQUIRE(rdclass == 1);

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

    return (ISC_TRUE);
}

static inline isc_boolean_t
checknames_in_dhcid(ARGS_CHECKNAMES) {

    REQUIRE(rdata->type == 49);
    REQUIRE(rdata->rdclass == 1);

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

    return (ISC_TRUE);
}

#endif  /* RDATA_IN_1_DHCID_49_C */