rootns.c revision 499b34cea04a46823d003d4c0520c8b03e8513cb
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews/*
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * Copyright (C) 1999-2001 Internet Software Consortium.
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews *
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * Permission to use, copy, modify, and distribute this software for any
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * purpose with or without fee is hereby granted, provided that the above
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * copyright notice and this permission notice appear in all copies.
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews *
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews */
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews/* $Id: rootns.c,v 1.18 2001/01/09 21:51:30 bwelling Exp $ */
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#include <config.h>
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#include <isc/buffer.h>
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#include <isc/string.h> /* Required for HP/UX (and others?) */
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#include <isc/util.h>
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#include <dns/callbacks.h>
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#include <dns/db.h>
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#include <dns/master.h>
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#include <dns/result.h>
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#include <dns/rootns.h>
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrewsstatic char root_ns[] =
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews";\n"
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews"; Internet Root Nameservers\n"
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews";\n"
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews"; Thu Sep 23 17:57:37 PDT 1999\n"
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews";\n"
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews"$TTL 518400\n"
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews". 518400 IN NS A.ROOT-SERVERS.NET.\n"
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews". 518400 IN NS B.ROOT-SERVERS.NET.\n"
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews". 518400 IN NS C.ROOT-SERVERS.NET.\n"
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews". 518400 IN NS D.ROOT-SERVERS.NET.\n"
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews". 518400 IN NS E.ROOT-SERVERS.NET.\n"
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews". 518400 IN NS F.ROOT-SERVERS.NET.\n"
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews". 518400 IN NS G.ROOT-SERVERS.NET.\n"
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews". 518400 IN NS H.ROOT-SERVERS.NET.\n"
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews". 518400 IN NS I.ROOT-SERVERS.NET.\n"
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews". 518400 IN NS J.ROOT-SERVERS.NET.\n"
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews". 518400 IN NS K.ROOT-SERVERS.NET.\n"
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews". 518400 IN NS L.ROOT-SERVERS.NET.\n"
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews". 518400 IN NS M.ROOT-SERVERS.NET.\n"
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews"A.ROOT-SERVERS.NET. 3600000 IN A 198.41.0.4\n"
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews"B.ROOT-SERVERS.NET. 3600000 IN A 128.9.0.107\n"
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews"C.ROOT-SERVERS.NET. 3600000 IN A 192.33.4.12\n"
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews"D.ROOT-SERVERS.NET. 3600000 IN A 128.8.10.90\n"
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews"E.ROOT-SERVERS.NET. 3600000 IN A 192.203.230.10\n"
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews"F.ROOT-SERVERS.NET. 3600000 IN A 192.5.5.241\n"
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews"G.ROOT-SERVERS.NET. 3600000 IN A 192.112.36.4\n"
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews"H.ROOT-SERVERS.NET. 3600000 IN A 128.63.2.53\n"
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews"I.ROOT-SERVERS.NET. 3600000 IN A 192.36.148.17\n"
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews"J.ROOT-SERVERS.NET. 3600000 IN A 198.41.0.10\n"
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews"K.ROOT-SERVERS.NET. 3600000 IN A 193.0.14.129\n"
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews"L.ROOT-SERVERS.NET. 3600000 IN A 198.32.64.12\n"
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews"M.ROOT-SERVERS.NET. 3600000 IN A 202.12.27.33\n";
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrewsisc_result_t
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrewsdns_rootns_create(isc_mem_t *mctx, dns_rdataclass_t rdclass,
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews const char *filename, dns_db_t **target)
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews{
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews isc_result_t result, eresult;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews isc_buffer_t source;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews size_t len;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews dns_rdatacallbacks_t callbacks;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews dns_db_t *db = NULL;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews REQUIRE(target != NULL && *target == NULL);
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews result = dns_db_create(mctx, "rbt", dns_rootname, dns_dbtype_zone,
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews rdclass, 0, NULL, &db);
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews if (result != ISC_R_SUCCESS)
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews return (result);
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews dns_rdatacallbacks_init(&callbacks);
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews len = strlen(root_ns);
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews isc_buffer_init(&source, root_ns, len);
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews isc_buffer_add(&source, len);
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews result = dns_db_beginload(db, &callbacks.add,
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews &callbacks.add_private);
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews if (result != ISC_R_SUCCESS)
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews return (result);
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews if (filename != NULL) {
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews /*
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * Load the hints from the specified filename.
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews */
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews result = dns_master_loadfile(filename, &db->origin,
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews &db->origin, db->rdclass, 0,
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews &callbacks, db->mctx);
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews } else if (rdclass == dns_rdataclass_in) {
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews /*
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * Default to using the Internet root servers.
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews */
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews result = dns_master_loadbuffer(&source, &db->origin,
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews &db->origin, db->rdclass, 0,
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews &callbacks, db->mctx);
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews } else
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews result = ISC_R_NOTFOUND;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews eresult = dns_db_endload(db, &callbacks.add_private);
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews if (result == ISC_R_SUCCESS || result == DNS_R_SEENINCLUDE)
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews result = eresult;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews if (result != ISC_R_SUCCESS && result != DNS_R_SEENINCLUDE)
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews goto db_detach;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews *target = db;
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews return (ISC_R_SUCCESS);
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews db_detach:
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews dns_db_detach(&db);
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews return (result);
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews}
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews