soa_6.h revision 1ef8965366d91e02a4672c35a187d30aa4a4c72c
/*
* Copyright (C) 1998, 1999 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: soa_6.h,v 1.14 1999/02/24 06:31:34 marka Exp $ */
#ifndef RDATA_GENERIC_SOA_6_H
#define RDATA_GENERIC_SOA_6_H
static dns_result_t
fromtext_soa(dns_rdataclass_t class, 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 == 6);
class = class; /*unused*/
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));
}
for (i = 0; i < 5; i++) {
RETERR(gettoken(lexer, &token, isc_tokentype_number,
ISC_FALSE));
RETERR(uint32_tobuffer(token.value.as_ulong, target));
}
return (DNS_R_SUCCESS);
}
static dns_result_t
totext_soa(dns_rdata_t *rdata, dns_name_t *origin, isc_buffer_t *target) {
isc_region_t dregion;
dns_name_t mname;
dns_name_t rname;
dns_name_t prefix;
isc_boolean_t sub;
int i;
REQUIRE(rdata->type == 6);
dns_name_init(&mname, NULL);
dns_name_init(&rname, NULL);
dns_name_init(&prefix, NULL);
dns_rdata_toregion(rdata, &dregion);
dns_name_fromregion(&mname, &dregion);
isc_region_consume(&dregion, name_length(&mname));
dns_name_fromregion(&rname, &dregion);
isc_region_consume(&dregion, name_length(&rname));
sub = name_prefix(&mname, origin, &prefix);
RETERR(dns_name_totext(&prefix, sub, target));
RETERR(str_totext(" ", target));
sub = name_prefix(&rname, origin, &prefix);
RETERR(dns_name_totext(&prefix, sub, target));
for (i = 0; i < 5 ; i++) {
char buf[sizeof "2147483647"];
unsigned long num;
RETERR(str_totext(" ", target));
num = uint32_fromregion(&dregion);
isc_region_consume(&dregion, 4);
sprintf(buf, "%lu", num);
RETERR(str_totext(buf, target));
}
return (DNS_R_SUCCESS);
}
static dns_result_t
fromwire_soa(dns_rdataclass_t class, dns_rdatatype_t type,
isc_buffer_t *source, dns_decompress_t *dctx,
isc_boolean_t downcase, isc_buffer_t *target)
{
dns_name_t mname;
dns_name_t rname;
isc_region_t sregion;
isc_region_t tregion;
REQUIRE(type == 6);
class = class; /*unused*/
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);
dns_name_init(&mname, NULL);
dns_name_init(&rname, NULL);
RETERR(dns_name_fromwire(&mname, source, dctx, downcase, target));
RETERR(dns_name_fromwire(&rname, source, dctx, downcase, target));
isc_buffer_active(source, &sregion);
isc_buffer_available(target, &tregion);
if (sregion.length < 20)
return (DNS_R_UNEXPECTEDEND);
if (tregion.length < 20)
return (DNS_R_NOSPACE);
memcpy(tregion.base, sregion.base, 20);
isc_buffer_forward(source, 20);
isc_buffer_add(target, 20);
return (DNS_R_SUCCESS);
}
static dns_result_t
towire_soa(dns_rdata_t *rdata, dns_compress_t *cctx, isc_buffer_t *target) {
isc_region_t sregion;
isc_region_t tregion;
dns_name_t mname;
dns_name_t rname;
REQUIRE(rdata->type == 6);
if (dns_compress_getedns(cctx) >= 1)
dns_compress_setmethods(cctx, DNS_COMPRESS_ALL);
else
dns_compress_setmethods(cctx, DNS_COMPRESS_GLOBAL14);
dns_name_init(&mname, NULL);
dns_name_init(&rname, NULL);
dns_rdata_toregion(rdata, &sregion);
dns_name_fromregion(&mname, &sregion);
isc_region_consume(&sregion, name_length(&mname));
RETERR(dns_name_towire(&mname, cctx, target));
dns_name_fromregion(&rname, &sregion);
isc_region_consume(&sregion, name_length(&rname));
RETERR(dns_name_towire(&rname, cctx, target));
isc_buffer_available(target, &tregion);
if (tregion.length < 20)
return (DNS_R_NOSPACE);
memcpy(tregion.base, sregion.base, 20);
isc_buffer_add(target, 20);
return (DNS_R_SUCCESS);
}
static int
compare_soa(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->class == rdata2->class);
REQUIRE(rdata1->type == 6);
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);
if (result != 0)
return (result);
isc_region_consume(&region1, name_length(&name1));
isc_region_consume(&region2, name_length(&name2));
return (compare_region(&region1, &region2));
}
static dns_result_t
fromstruct_soa(dns_rdataclass_t class, dns_rdatatype_t type, void *source,
isc_buffer_t *target)
{
REQUIRE(type == 6);
class = class; /*unused*/
source = source;
target = target;
return (DNS_R_NOTIMPLEMENTED);
}
static dns_result_t
tostruct_soa(dns_rdata_t *rdata, void *target) {
REQUIRE(rdata->type == 6);
target = target;
return (DNS_R_NOTIMPLEMENTED);
}
#endif /* RDATA_GENERIC_SOA_6_H */