rdata/generic/mr_9.c

	mr_9.c revision 3d5cad69ec20157912e95cf3b79316dfb0a314f3
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews/*
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews * Copyright (C) 1998  Internet Software Consortium.
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews *
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews * Permission to use, copy, modify, and distribute this software for any
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews * purpose with or without fee is hereby granted, provided that the above
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews * copyright notice and this permission notice appear in all copies.
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews *
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews * SOFTWARE.
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews */
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews
3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews /* $Id: mr_9.c,v 1.4 1999/01/20 05:20:21 marka Exp $ */
3761c433912beabe43abeed2c3513b6201c59f64Mark Andrews
f7b99290c31abeb20c55fc55391510450ce60423Mark Andrews#ifndef RDATA_GENERIC_MR_9_H
f7b99290c31abeb20c55fc55391510450ce60423Mark Andrews#define RDATA_GENERIC_MR_9_H
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsstatic dns_result_t
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsfromtext_mr(dns_rdataclass_t class, dns_rdatatype_t type,
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews        isc_lex_t *lexer, dns_name_t *origin,
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews        isc_boolean_t downcase, isc_buffer_t *target) {
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews    isc_token_t token;
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews    dns_name_t name;
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews    isc_buffer_t buffer;
3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews    unsigned int options = ISC_LEXOPT_EOL | ISC_LEXOPT_EOF;
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews
3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews    REQUIRE(type == 9);
f7b99290c31abeb20c55fc55391510450ce60423Mark Andrews
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews    class = class;  /*unused*/
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews
3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews    if (isc_lex_gettoken(lexer, options, &token) != ISC_R_SUCCESS)
3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews        return (DNS_R_UNEXPECTED);
3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews    if (token.type != isc_tokentype_string) {
3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews        isc_lex_ungettoken(lexer, &token);
3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews        if (token.type == isc_tokentype_eol ||
3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews            token.type == isc_tokentype_eof)
3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews            return(DNS_R_UNEXPECTEDEND);
3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews        return (DNS_R_UNEXPECTED);
3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews    }
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews    dns_name_init(&name, NULL);
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews    buffer_fromregion(&buffer, &token.value.as_region,
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews              ISC_BUFFERTYPE_TEXT);
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews    origin = (origin != NULL) ? origin : dns_rootname;
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews    return (dns_name_fromtext(&name, &buffer, origin, downcase, target));
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews}
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsstatic dns_result_t
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewstotext_mr(dns_rdata_t *rdata, dns_name_t *origin, isc_buffer_t *target) {
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews    isc_region_t region;
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews    dns_name_t name;
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews    dns_name_t prefix;
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews    isc_boolean_t sub;
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews
3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews    REQUIRE(rdata->type == 9);
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews    dns_name_init(&name, NULL);
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews    dns_name_init(&prefix, NULL);
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews    dns_rdata_toregion(rdata, &region);
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews    dns_name_fromregion(&name, &region);
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews    sub = name_prefix(&name, origin, &prefix);
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews    return (dns_name_totext(&prefix, sub, target));
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews}
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsstatic dns_result_t
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsfromwire_mr(dns_rdataclass_t class, dns_rdatatype_t type,
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews        isc_buffer_t *source, dns_decompress_t *dctx,
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews        isc_boolean_t downcase, isc_buffer_t *target) {
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews        dns_name_t name;
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews
3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews    REQUIRE(type == 9);
f7b99290c31abeb20c55fc55391510450ce60423Mark Andrews
f7b99290c31abeb20c55fc55391510450ce60423Mark Andrews    class = class;  /*unused*/
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews        dns_name_init(&name, NULL);
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews        return (dns_name_fromwire(&name, source, dctx, downcase, target));
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews}
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsstatic dns_result_t
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewstowire_mr(dns_rdata_t *rdata, dns_compress_t *cctx, isc_buffer_t *target) {
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews    dns_name_t name;
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews    isc_region_t region;
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews
3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews    REQUIRE(rdata->type == 9);
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews    dns_name_init(&name, NULL);
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews    dns_rdata_toregion(rdata, &region);
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews    dns_name_fromregion(&name, &region);
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews    return (dns_name_towire(&name, cctx, target));
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews}
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsstatic int
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewscompare_mr(dns_rdata_t *rdata1, dns_rdata_t *rdata2) {
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews    dns_name_t name1;
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews    dns_name_t name2;
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews    isc_region_t region1;
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews    isc_region_t region2;
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews
3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews    REQUIRE(rdata1->type == rdata2->type);
3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews    REQUIRE(rdata1->class == rdata2->class);
3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews    REQUIRE(rdata1->type == 9);
f7b99290c31abeb20c55fc55391510450ce60423Mark Andrews
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews    dns_name_init(&name1, NULL);
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews    dns_name_init(&name2, NULL);
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews    dns_rdata_toregion(rdata1, &region1);
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews    dns_rdata_toregion(rdata2, &region2);
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews    dns_name_fromregion(&name1, &region1);
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews    dns_name_fromregion(&name2, &region2);
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews    return (dns_name_compare(&name1, &name2));
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews}
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsstatic dns_result_t
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsfromstruct_mr(dns_rdataclass_t class, dns_rdatatype_t type, void *source,
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews         isc_buffer_t *target) {
f7b99290c31abeb20c55fc55391510450ce60423Mark Andrews
3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews    REQUIRE(type == 9);
f7b99290c31abeb20c55fc55391510450ce60423Mark Andrews
f7b99290c31abeb20c55fc55391510450ce60423Mark Andrews    class = class;  /*unused*/
f7b99290c31abeb20c55fc55391510450ce60423Mark Andrews
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews    source = source;
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews    target = target;
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews    return (DNS_R_NOTIMPLEMENTED);
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews}
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsstatic dns_result_t
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewstostruct_mr(dns_rdata_t *rdata, void *target) {
f7b99290c31abeb20c55fc55391510450ce60423Mark Andrews
3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews    REQUIRE(rdata->type == 9);
f7b99290c31abeb20c55fc55391510450ce60423Mark Andrews
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews    target = target;
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews    return (DNS_R_NOTIMPLEMENTED);
5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews}
f7b99290c31abeb20c55fc55391510450ce60423Mark Andrews#endif  /* RDATA_GENERIC_MR_9_H */