rdata/generic/x25_19.c

	x25_19.c revision 65debe76296826798a71d81764fc8cfc321c9962
/*
 * Copyright (C) 1999, 2000  Internet Software Consortium.
 *
 * Permission to use, copy, modify, and 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 INTERNET SOFTWARE CONSORTIUM DISCLAIMS
 * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
 * CONSORTIUM 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: x25_19.c,v 1.12 2000/03/17 00:15:30 bwelling Exp $ */

/* Reviewed: Thu Mar 16 16:15:57 PST 2000 by bwelling */

/* RFC 1183 */

#ifndef RDATA_GENERIC_X25_19_C
#define RDATA_GENERIC_X25_19_C

#include <ctype.h>

static inline isc_result_t
fromtext_x25(dns_rdataclass_t rdclass, dns_rdatatype_t type,
         isc_lex_t *lexer, dns_name_t *origin,
         isc_boolean_t downcase, isc_buffer_t *target)
{
    isc_token_t token;
    unsigned int i;

    UNUSED(rdclass);
    UNUSED(origin);
    UNUSED(downcase);

    REQUIRE(type == 19);

    RETERR(gettoken(lexer, &token, isc_tokentype_qstring, ISC_FALSE));
    if (token.value.as_textregion.length < 4)
        return (DNS_R_SYNTAX);
    for (i = 0; i < token.value.as_textregion.length; i++)
        if (!isdigit(token.value.as_textregion.base[i] & 0xff))
            return (DNS_R_RANGE);
    return (txt_fromtext(&token.value.as_textregion, target));
}

static inline isc_result_t
totext_x25(dns_rdata_t *rdata, dns_rdata_textctx_t *tctx,
       isc_buffer_t *target)
{
    isc_region_t region;

    UNUSED(tctx);

    REQUIRE(rdata->type == 19);

    dns_rdata_toregion(rdata, &region);
    return (txt_totext(&region, target));
}

static inline isc_result_t
fromwire_x25(dns_rdataclass_t rdclass, dns_rdatatype_t type,
         isc_buffer_t *source, dns_decompress_t *dctx,
         isc_boolean_t downcase, isc_buffer_t *target)
{
    isc_region_t sr;

    UNUSED(dctx);
    UNUSED(rdclass);
    UNUSED(downcase);

    REQUIRE(type == 19);

    isc_buffer_active(source, &sr);
    if (sr.length < 5)
        return (DNS_R_FORMERR);
    return (txt_fromwire(source, target));
}

static inline isc_result_t
towire_x25(dns_rdata_t *rdata, dns_compress_t *cctx, isc_buffer_t *target) {
    UNUSED(cctx);

    REQUIRE(rdata->type == 19);

    return (mem_tobuffer(target, rdata->data, rdata->length));
}

static inline int
compare_x25(dns_rdata_t *rdata1, dns_rdata_t *rdata2) {
    isc_region_t r1;
    isc_region_t r2;

    REQUIRE(rdata1->type == rdata2->type);
    REQUIRE(rdata1->rdclass == rdata2->rdclass);
    REQUIRE(rdata1->type == 19);

    dns_rdata_toregion(rdata1, &r1);
    dns_rdata_toregion(rdata2, &r2);
    return (compare_region(&r1, &r2));
}

static inline isc_result_t
fromstruct_x25(dns_rdataclass_t rdclass, dns_rdatatype_t type, void *source,
           isc_buffer_t *target)
{
    UNUSED(rdclass);
    UNUSED(source);
    UNUSED(target);

    REQUIRE(type == 19);

    return (DNS_R_NOTIMPLEMENTED);
}

static inline isc_result_t
tostruct_x25(dns_rdata_t *rdata, void *target, isc_mem_t *mctx) {

    REQUIRE(rdata->type == 19);

    UNUSED(target);
    UNUSED(mctx);

    return (DNS_R_NOTIMPLEMENTED);
}

static inline void
freestruct_x25(void *source) {
    REQUIRE(source != NULL);
    REQUIRE(ISC_FALSE); /*XXX*/
}

static inline isc_result_t
additionaldata_x25(dns_rdata_t *rdata, dns_additionaldatafunc_t add,
           void *arg)
{
    UNUSED(add);
    UNUSED(arg);

    REQUIRE(rdata->type == 19);

    return (DNS_R_SUCCESS);
}

static inline isc_result_t
digest_x25(dns_rdata_t *rdata, dns_digestfunc_t digest, void *arg) {
    isc_region_t r;

    REQUIRE(rdata->type == 19);

    dns_rdata_toregion(rdata, &r);

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

#endif  /* RDATA_GENERIC_X25_19_C */