rdata/generic/mf_4.c

	mf_4.c revision 52637f592f705ca93fadc218e403fd55e8ce4aea
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews/*
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews * Copyright (C) 1998, 1999  Internet Software Consortium.
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews *
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews * Permission to use, copy, modify, and distribute this software for any
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews * purpose with or without fee is hereby granted, provided that the above
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews * copyright notice and this permission notice appear in all copies.
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews *
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews * SOFTWARE.
422009fe5b15e31e7f5d09212bd1480121a1464eEvan Hunt */
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews /* $Id: mf_4.c,v 1.9 1999/02/22 07:24:00 marka Exp $ */
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews#ifndef RDATA_GENERIC_MF_4_H
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews#define RDATA_GENERIC_MF_4_H
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrewsstatic dns_result_t
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrewsfromtext_mf(dns_rdataclass_t class, dns_rdatatype_t type,
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews        isc_lex_t *lexer, dns_name_t *origin,
a0749e59c0356381fdaea0fefe66256589ec8c99Mark Andrews        isc_boolean_t downcase, isc_buffer_t *target)
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews{
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews    isc_token_t token;
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews    dns_name_t name;
307d2084502eddc7ce921e5ce439aec3531d90e0Tatuya JINMEI 神明達哉    isc_buffer_t buffer;
422009fe5b15e31e7f5d09212bd1480121a1464eEvan Hunt
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews    REQUIRE(type == 4);
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews
a0749e59c0356381fdaea0fefe66256589ec8c99Mark Andrews    class = class;  /*unused*/
a0749e59c0356381fdaea0fefe66256589ec8c99Mark Andrews
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews    RETERR(gettoken(lexer, &token, isc_tokentype_string, ISC_FALSE));
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews    dns_name_init(&name, NULL);
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews    buffer_fromregion(&buffer, &token.value.as_region,
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews              ISC_BUFFERTYPE_TEXT);
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews    origin = (origin != NULL) ? origin : dns_rootname;
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews    return (dns_name_fromtext(&name, &buffer, origin, downcase, target));
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews}
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrewsstatic dns_result_t
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrewstotext_mf(dns_rdata_t *rdata, dns_name_t *origin, isc_buffer_t *target) {
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews    isc_region_t region;
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews    dns_name_t name;
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews    dns_name_t prefix;
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews    isc_boolean_t sub;
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews    REQUIRE(rdata->type == 4);
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews
2493d178d1464c811eff9cd8cbbffafeef75a7f7Evan Hunt    dns_name_init(&name, NULL);
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews    dns_rdata_toregion(rdata, &region);
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews    dns_name_fromregion(&name, &region);
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews
2493d178d1464c811eff9cd8cbbffafeef75a7f7Evan Hunt    sub = name_prefix(&name, origin, &prefix);
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews    return (dns_name_totext(&prefix, sub, target));
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews}
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrewsstatic dns_result_t
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrewsfromwire_mf(dns_rdataclass_t class, dns_rdatatype_t type,
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews        isc_buffer_t *source, dns_decompress_t *dctx,
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews        isc_boolean_t downcase, isc_buffer_t *target)
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews{
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews        dns_name_t name;
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews    REQUIRE(type == 4);
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews
03e200df5dc283f24a6a349f0b31d3eab26da893Mark Andrews    class = class;  /*unused*/
2493d178d1464c811eff9cd8cbbffafeef75a7f7Evan Hunt
        dns_name_init(&name, NULL);
        return (dns_name_fromwire(&name, source, dctx, downcase, target));
}

static dns_result_t
towire_mf(dns_rdata_t *rdata, dns_compress_t *cctx, isc_buffer_t *target) {
    dns_name_t name;
    isc_region_t region;

    REQUIRE(rdata->type == 4);

    if (dns_compress_getedns(cctx) >= 1)
        dns_compress_setmethods(cctx, DNS_COMPRESS_ALL);
    else
        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 int
compare_mf(dns_rdata_t *rdata1, dns_rdata_t *rdata2) {
    dns_name_t name1;
    dns_name_t name2;
    isc_region_t region1;
    isc_region_t region2;

    REQUIRE(rdata1->type == rdata2->type);
    REQUIRE(rdata1->class == rdata2->class);
    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 dns_result_t
fromstruct_mf(dns_rdataclass_t class, dns_rdatatype_t type, void *source,
          isc_buffer_t *target)
{

    REQUIRE(type == 4);

    class = class;  /*unused*/

    source = source;
    target = target;

    return (DNS_R_NOTIMPLEMENTED);
}

static dns_result_t
tostruct_mf(dns_rdata_t *rdata, void *target) {

    REQUIRE(rdata->type == 4);

    target = target;

    return (DNS_R_NOTIMPLEMENTED);
}
#endif  /* RDATA_GENERIC_MF_4_H */