/*
 * Copyright (C) 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: rp_17.c,v 1.12 2020/09/14 08:40:43 florian Exp $ */

/* RFC1183 */

#ifndef RDATA_GENERIC_RP_17_C
#define RDATA_GENERIC_RP_17_C

static inline isc_result_t
totext_rp(ARGS_TOTEXT) {
        isc_region_t region;
        dns_name_t rmail;
        dns_name_t email;
        dns_name_t prefix;
        int sub;

        REQUIRE(rdata->type == dns_rdatatype_rp);
        REQUIRE(rdata->length != 0);

        dns_name_init(&rmail, NULL);
        dns_name_init(&email, NULL);
        dns_name_init(&prefix, NULL);

        dns_rdata_toregion(rdata, &region);

        dns_name_fromregion(&rmail, &region);
        isc_region_consume(&region, rmail.length);

        dns_name_fromregion(&email, &region);
        isc_region_consume(&region, email.length);

        sub = name_prefix(&rmail, tctx->origin, &prefix);
        RETERR(dns_name_totext(&prefix, sub, target));

        RETERR(isc_str_tobuffer(" ", target));

        sub = name_prefix(&email, tctx->origin, &prefix);
        return (dns_name_totext(&prefix, sub, target));
}

static inline isc_result_t
fromwire_rp(ARGS_FROMWIRE) {
        dns_name_t rmail;
        dns_name_t email;

        REQUIRE(type == dns_rdatatype_rp);

        UNUSED(type);
        UNUSED(rdclass);

        dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE);

        dns_name_init(&rmail, NULL);
        dns_name_init(&email, NULL);

        RETERR(dns_name_fromwire(&rmail, source, dctx, options, target));
        return (dns_name_fromwire(&email, source, dctx, options, target));
}

static inline isc_result_t
towire_rp(ARGS_TOWIRE) {
        isc_region_t region;
        dns_name_t rmail;
        dns_name_t email;
        dns_offsets_t roffsets;
        dns_offsets_t eoffsets;

        REQUIRE(rdata->type == dns_rdatatype_rp);
        REQUIRE(rdata->length != 0);

        dns_compress_setmethods(cctx, DNS_COMPRESS_NONE);
        dns_name_init(&rmail, roffsets);
        dns_name_init(&email, eoffsets);

        dns_rdata_toregion(rdata, &region);

        dns_name_fromregion(&rmail, &region);
        isc_region_consume(&region, rmail.length);

        RETERR(dns_name_towire(&rmail, cctx, target));

        dns_name_fromregion(&rmail, &region);
        isc_region_consume(&region, rmail.length);

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

#endif  /* RDATA_GENERIC_RP_17_C */