minfo_14.c revision ce8b84ce64a7f1b3b7b558a4aa14be946846080a
/*
* Copyright (C) 1998, 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: minfo_14.c,v 1.20 2000/03/16 02:00:37 brister Exp $ */
/* reviewed: Wed Mar 15 17:45:32 PST 2000 by brister */
#ifndef RDATA_GENERIC_MINFO_14_C
#define RDATA_GENERIC_MINFO_14_C
static inline isc_result_t
fromtext_minfo(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;
dns_name_t name;
isc_buffer_t buffer;
int i;
REQUIRE(type == 14);
UNUSED(rdclass);
for (i = 0; i < 2 ; i++) {
RETERR(gettoken(lexer, &token, isc_tokentype_string,
ISC_FALSE));
dns_name_init(&name, NULL);
buffer_fromregion(&buffer, &token.value.as_region,
ISC_BUFFERTYPE_TEXT);
origin = (origin != NULL) ? origin : dns_rootname;
RETERR(dns_name_fromtext(&name, &buffer, origin,
downcase, target));
}
return (DNS_R_SUCCESS);
}
static inline isc_result_t
totext_minfo(dns_rdata_t *rdata, dns_rdata_textctx_t *tctx,
isc_buffer_t *target)
{
isc_region_t region;
dns_name_t rmail;
dns_name_t email;
dns_name_t prefix;
isc_boolean_t sub;
REQUIRE(rdata->type == 14);
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(str_totext(" ", target));
sub = name_prefix(&email, tctx->origin, &prefix);
return (dns_name_totext(&prefix, sub, target));
}
static inline isc_result_t
fromwire_minfo(dns_rdataclass_t rdclass, dns_rdatatype_t type,
isc_buffer_t *source, dns_decompress_t *dctx,
isc_boolean_t downcase, isc_buffer_t *target)
{
dns_name_t rmail;
dns_name_t email;
REQUIRE(type == 14);
if (dns_decompress_edns(dctx) >= 1 || !dns_decompress_strict(dctx))
dns_decompress_setmethods(dctx, DNS_COMPRESS_ALL);
else
dns_decompress_setmethods(dctx, DNS_COMPRESS_GLOBAL14);
UNUSED(rdclass);
dns_name_init(&rmail, NULL);
dns_name_init(&email, NULL);
RETERR(dns_name_fromwire(&rmail, source, dctx, downcase, target));
return (dns_name_fromwire(&email, source, dctx, downcase, target));
}
static inline isc_result_t
towire_minfo(dns_rdata_t *rdata, dns_compress_t *cctx, isc_buffer_t *target)
{
isc_region_t region;
dns_name_t rmail;
dns_name_t email;
REQUIRE(rdata->type == 14);
if (dns_compress_getedns(cctx) >= 1)
dns_compress_setmethods(cctx, DNS_COMPRESS_ALL);
else
dns_compress_setmethods(cctx, DNS_COMPRESS_GLOBAL14);
dns_name_init(&rmail, NULL);
dns_name_init(&email, NULL);
dns_rdata_toregion(rdata, &region);
dns_name_fromregion(&rmail, &region);
isc_region_consume(&region, name_length(&rmail));
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));
}
static inline int
compare_minfo(dns_rdata_t *rdata1, dns_rdata_t *rdata2)
{
isc_region_t region1;
isc_region_t region2;
dns_name_t name1;
dns_name_t name2;
int result;
REQUIRE(rdata1->type == rdata2->type);
REQUIRE(rdata1->rdclass == rdata2->rdclass);
REQUIRE(rdata1->type == 14);
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);
result = dns_name_rdatacompare(&name1, &name2);
if (result != 0)
return (result);
isc_region_consume(&region1, name_length(&name1));
isc_region_consume(&region2, name_length(&name2));
dns_name_init(&name1, NULL);
dns_name_init(&name2, NULL);
dns_name_fromregion(&name1, &region1);
dns_name_fromregion(&name2, &region2);
result = dns_name_rdatacompare(&name1, &name2);
return (result);
}
static inline isc_result_t
fromstruct_minfo(dns_rdataclass_t rdclass, dns_rdatatype_t type, void *source,
isc_buffer_t *target)
{
REQUIRE(type == 14);
UNUSED(rdclass);
UNUSED(source);
UNUSED(target);
return (DNS_R_NOTIMPLEMENTED);
}
static inline isc_result_t
tostruct_minfo(dns_rdata_t *rdata, void *target, isc_mem_t *mctx)
{
REQUIRE(rdata->type == 14);
UNUSED(target);
UNUSED(mctx);
return (DNS_R_NOTIMPLEMENTED);
}
static inline void
freestruct_minfo(void *source)
{
REQUIRE(source != NULL);
REQUIRE(ISC_FALSE); /*XXX*/
}
static inline isc_result_t
additionaldata_minfo(dns_rdata_t *rdata, dns_additionaldatafunc_t add,
void *arg)
{
REQUIRE(rdata->type == 14);
(void)add;
(void)arg;
return (DNS_R_SUCCESS);
}
static inline isc_result_t
digest_minfo(dns_rdata_t *rdata, dns_digestfunc_t digest, void *arg)
{
isc_region_t r;
dns_name_t name;
isc_result_t result;
REQUIRE(rdata->type == 14);
dns_rdata_toregion(rdata, &r);
dns_name_init(&name, NULL);
dns_name_fromregion(&name, &r);
result = dns_name_digest(&name, digest, arg);
if (result != DNS_R_SUCCESS)
return (result);
isc_region_consume(&r, name_length(&name));
dns_name_init(&name, NULL);
dns_name_fromregion(&name, &r);
return (dns_name_digest(&name, digest, arg));
}
#endif /* RDATA_GENERIC_MINFO_14_C */