add default root nameserver support

bin/named/Makefile.in

@@ -40,10 +40,10 @@ LIBS =		${DEPLIBS} \
 
 TARGETS =	named
 
-OBJS =		client.o interfacemgr.o main.o query.o server.o \
+OBJS =		client.o interfacemgr.o main.o query.o rootns.o server.o \
 		update.o xfrin.o xfrout.o
 
-SRCS =		client.c interfacemgr.c main.c query.c server.c \
+SRCS =		client.c interfacemgr.c main.c query.c rootns.c server.c \
 		update.c xfrin.c xfrout.c
 
 @BIND9_MAKE_RULES@

bin/named/include/named/globals.h

@@ -54,6 +54,11 @@ EXTERN unsigned int		ns_g_port		INIT(5544);
 EXTERN dns_viewlist_t		ns_g_viewlist;
 EXTERN isc_rwlock_t		ns_g_viewlock;
 
+/*
+ * Default root nameserver hints.
+ */
+EXTERN dns_db_t *		ns_g_rootns		INIT(NULL);
+
 /* XXXRTH  These are temporary. */
 EXTERN ns_dbinfolist_t		ns_g_dbs;
 

bin/named/include/named/rootns.h

+/*
+ * Copyright (C) 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.
+ */
+
+#ifndef NS_ROOTNS_H
+#define NS_ROOTNS_H 1
+
+#include <isc/types.h>
+
+isc_result_t ns_rootns_init(void);
+
+void ns_rootns_destroy(void);
+
+#endif /* NS_ROOTNS_H */

bin/named/rootns.c

+/*
+ * Copyright (C) 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.
+ */
+
+#include <config.h>
+
+#include <stddef.h>
+
+#include <isc/assertions.h>
+#include <isc/error.h>
+#include <isc/types.h>
+
+#include <dns/types.h>
+#include <dns/db.h>
+#include <dns/master.h>
+
+#include <named/globals.h>
+#include <named/rootns.h>
+
+static char root_ns[] = "
+;
+; Internet Root Nameservers
+;
+; Thu Sep 23 17:57:37 PDT 1999
+;
+$TTL 518400
+.                       518400  IN      NS      F.ROOT-SERVERS.NET.
+.                       518400  IN      NS      B.ROOT-SERVERS.NET.
+.                       518400  IN      NS      J.ROOT-SERVERS.NET.
+.                       518400  IN      NS      K.ROOT-SERVERS.NET.
+.                       518400  IN      NS      L.ROOT-SERVERS.NET.
+.                       518400  IN      NS      M.ROOT-SERVERS.NET.
+.                       518400  IN      NS      I.ROOT-SERVERS.NET.
+.                       518400  IN      NS      E.ROOT-SERVERS.NET.
+.                       518400  IN      NS      D.ROOT-SERVERS.NET.
+.                       518400  IN      NS      A.ROOT-SERVERS.NET.
+.                       518400  IN      NS      H.ROOT-SERVERS.NET.
+.                       518400  IN      NS      C.ROOT-SERVERS.NET.
+.                       518400  IN      NS      G.ROOT-SERVERS.NET.
+F.ROOT-SERVERS.NET.     3600000 IN      A       192.5.5.241
+B.ROOT-SERVERS.NET.     3600000 IN      A       128.9.0.107
+J.ROOT-SERVERS.NET.     3600000 IN      A       198.41.0.10
+K.ROOT-SERVERS.NET.     3600000 IN      A       193.0.14.129
+L.ROOT-SERVERS.NET.     3600000 IN      A       198.32.64.12
+M.ROOT-SERVERS.NET.     3600000 IN      A       202.12.27.33
+I.ROOT-SERVERS.NET.     3600000 IN      A       192.36.148.17
+E.ROOT-SERVERS.NET.     3600000 IN      A       192.203.230.10
+D.ROOT-SERVERS.NET.     3600000 IN      A       128.8.10.90
+A.ROOT-SERVERS.NET.     3600000 IN      A       198.41.0.4
+H.ROOT-SERVERS.NET.     3600000 IN      A       128.63.2.53
+C.ROOT-SERVERS.NET.     3600000 IN      A       192.33.4.12
+G.ROOT-SERVERS.NET.     3600000 IN      A       192.112.36.4
+";
+
+isc_result_t
+ns_rootns_init(void) {
+	dns_result_t result, eresult;
+	isc_buffer_t source;
+	size_t len;
+	int soacount, nscount;
+	dns_rdatacallbacks_t callbacks;
+
+	REQUIRE(ns_g_rootns == NULL);
+
+	result = dns_db_create(ns_g_mctx, "rbt", dns_rootname, ISC_FALSE,
+			       dns_rdataclass_in, 0, NULL, &ns_g_rootns);
+	if (result != ISC_R_SUCCESS)
+		return (result);
+
+	dns_rdatacallbacks_init(&callbacks);
+
+	len = strlen(root_ns);
+	isc_buffer_init(&source, root_ns, len, ISC_BUFFERTYPE_TEXT);
+	isc_buffer_add(&source, len);
+
+	result = dns_db_beginload(ns_g_rootns, &callbacks.add,
+				  &callbacks.add_private);
+	if (result != ISC_R_SUCCESS)
+		return (result);
+	result = dns_master_loadbuffer(&source, &ns_g_rootns->origin,
+				       &ns_g_rootns->origin,
+				       ns_g_rootns->rdclass, ISC_FALSE,
+				       &soacount, &nscount, &callbacks,
+				       ns_g_rootns->mctx);
+	eresult = dns_db_endload(ns_g_rootns, &callbacks.add_private);
+	if (result == ISC_R_SUCCESS)
+		result = eresult;
+	if (result != ISC_R_SUCCESS)
+		goto db_detach;
+
+	return (DNS_R_SUCCESS);
+
+ db_detach:
+	dns_db_detach(&ns_g_rootns);
+
+	return (result);
+}
+
+void
+ns_rootns_destroy(void) {
+	REQUIRE(ns_g_rootns != NULL);
+	dns_db_detach(&ns_g_rootns);
+}