rootns.c revision 40f53fa8d9c6a4fc38c0014495e7a42b08f52481
/*
* 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: rootns.c,v 1.15 2000/08/01 01:22:53 tale Exp $ */
#include <config.h>
#include <isc/buffer.h>
#include <isc/string.h> /* Required for HP/UX (and others?) */
#include <isc/util.h>
#include <dns/callbacks.h>
#include <dns/db.h>
#include <dns/master.h>
#include <dns/rootns.h>
static char root_ns[] =
";\n"
"; Internet Root Nameservers\n"
";\n"
"; Thu Sep 23 17:57:37 PDT 1999\n"
";\n"
"$TTL 518400\n"
". 518400 IN NS A.ROOT-SERVERS.NET.\n"
". 518400 IN NS B.ROOT-SERVERS.NET.\n"
". 518400 IN NS C.ROOT-SERVERS.NET.\n"
". 518400 IN NS D.ROOT-SERVERS.NET.\n"
". 518400 IN NS E.ROOT-SERVERS.NET.\n"
". 518400 IN NS F.ROOT-SERVERS.NET.\n"
". 518400 IN NS G.ROOT-SERVERS.NET.\n"
". 518400 IN NS H.ROOT-SERVERS.NET.\n"
". 518400 IN NS I.ROOT-SERVERS.NET.\n"
". 518400 IN NS J.ROOT-SERVERS.NET.\n"
". 518400 IN NS K.ROOT-SERVERS.NET.\n"
". 518400 IN NS L.ROOT-SERVERS.NET.\n"
". 518400 IN NS M.ROOT-SERVERS.NET.\n"
"A.ROOT-SERVERS.NET. 3600000 IN A 198.41.0.4\n"
"B.ROOT-SERVERS.NET. 3600000 IN A 128.9.0.107\n"
"C.ROOT-SERVERS.NET. 3600000 IN A 192.33.4.12\n"
"D.ROOT-SERVERS.NET. 3600000 IN A 128.8.10.90\n"
"E.ROOT-SERVERS.NET. 3600000 IN A 192.203.230.10\n"
"F.ROOT-SERVERS.NET. 3600000 IN A 192.5.5.241\n"
"G.ROOT-SERVERS.NET. 3600000 IN A 192.112.36.4\n"
"H.ROOT-SERVERS.NET. 3600000 IN A 128.63.2.53\n"
"I.ROOT-SERVERS.NET. 3600000 IN A 192.36.148.17\n"
"J.ROOT-SERVERS.NET. 3600000 IN A 198.41.0.10\n"
"K.ROOT-SERVERS.NET. 3600000 IN A 193.0.14.129\n"
"L.ROOT-SERVERS.NET. 3600000 IN A 198.32.64.12\n"
"M.ROOT-SERVERS.NET. 3600000 IN A 202.12.27.33\n";
isc_result_t
dns_rootns_create(isc_mem_t *mctx, dns_rdataclass_t rdclass,
const char *filename, dns_db_t **target)
{
isc_result_t result, eresult;
isc_buffer_t source;
size_t len;
dns_rdatacallbacks_t callbacks;
dns_db_t *db = NULL;
REQUIRE(target != NULL && *target == NULL);
result = dns_db_create(mctx, "rbt", dns_rootname, dns_dbtype_zone,
rdclass, 0, NULL, &db);
if (result != ISC_R_SUCCESS)
return (result);
dns_rdatacallbacks_init(&callbacks);
len = strlen(root_ns);
isc_buffer_init(&source, root_ns, len);
isc_buffer_add(&source, len);
result = dns_db_beginload(db, &callbacks.add,
&callbacks.add_private);
if (result != ISC_R_SUCCESS)
return (result);
if (filename != NULL) {
/*
* Load the hints from the specified filename.
*/
result = dns_master_loadfile(filename, &db->origin,
&db->origin,
db->rdclass, ISC_FALSE,
&callbacks, db->mctx);
} else if (rdclass == dns_rdataclass_in) {
/*
* Default to using the Internet root servers.
*/
result = dns_master_loadbuffer(&source, &db->origin,
&db->origin,
db->rdclass, ISC_FALSE,
&callbacks, db->mctx);
} else
result = ISC_R_NOTFOUND;
eresult = dns_db_endload(db, &callbacks.add_private);
if (result == ISC_R_SUCCESS)
result = eresult;
if (result != ISC_R_SUCCESS)
goto db_detach;
*target = db;
return (ISC_R_SUCCESS);
db_detach:
dns_db_detach(&db);
return (result);
}