dhcid_49.c

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/*
 * Copyright (C) 2006, 2007, 2009, 2011, 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));
        if (tctx->width == 0)   /* No splitting */
                RETERR(isc_base64_totext(&sr, 60, "", target));
        else
                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);
}

static inline int
casecompare_in_dhcid(ARGS_COMPARE) {
        return (compare_in_dhcid(rdata1, rdata2));
}

#endif  /* RDATA_IN_1_DHCID_49_C */

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