New directory to create the initial named configuration from a set of

template files. This is rather simplistic, but should suffice for
generating a working set of files that can then be customized by the
site as needed.

BIG TODO: Deal with multiple reverse maps when the netmask is greater
then /24, and requires a set of reverse maps, not just one.

named/GNUmakefile.in

+#
+# EMULAB-COPYRIGHT
+# Copyright (c) 2000-2004 University of Utah and the Flux Group.
+# All rights reserved.
+#
+
+SRCDIR		= @srcdir@
+TESTBED_SRCDIR	= @top_srcdir@
+OBJDIR		= ..
+SUBDIR		= named
+
+ETCDIR          = /etc
+NAMEDB_DIR	= $(ETCDIR)/namedb
+OURDOMAIN       = @OURDOMAIN@
+
+# This is silly. Needs to be done properly.
+TESTBED_NETWORK = @TESTBED_NETWORK@
+REVERSE_MAPNAME = $(subst .0,,$(TESTBED_NETWORK))
+
+NAMED_FILES	= named.conf.template named_makeconf \
+		  reverse.head resolv.conf localhost.rev forward.head \
+		  $(REVERSE_MAPNAME).db.head $(OURDOMAIN).db.head \
+		  named.conf
+
+include $(OBJDIR)/Makeconf
+
+#
+# Force dependencies on the scripts so that they will be rerun through
+# configure if the .in file is changed.
+# 
+all: $(NAMED_FILES)
+
+include $(TESTBED_SRCDIR)/GNUmakerules
+
+# This file is just a copy for now. Ick.
+$(REVERSE_MAPNAME).db.head:	reverse.head
+	cp reverse.head $(REVERSE_MAPNAME).db.head
+
+$(OURDOMAIN).db.head:		forward.head
+	cp forward.head $(OURDOMAIN).db.head
+
+named.conf:	named.conf.template named_makeconf
+	perl named_makeconf named.conf.template > named.conf
+
+# This is not a safe install target after initial install!
+install:
+	echo "Are you sure you want to reinstall the namedb files!"
+
+install-real:	$(NAMEDB_DIR)/named.conf \
+		$(NAMEDB_DIR)/localhost.rev \
+		$(NAMEDB_DIR)/$(OURDOMAIN).db.head \
+		$(NAMEDB_DIR)/reverse/$(REVERSE_MAPNAME).db.head \
+		$(ETCDIR)/resolv.conf
+	-rm -rf $(NAMEDB_DIR)/$(OURDOMAIN).internal.db.head
+	ln -s $(OURDOMAIN).db.head $(NAMEDB_DIR)/$(OURDOMAIN).internal.db.head
+
+clean: 
+	rm -f $(NAMED_FILES)
+
+$(ETCDIR)/%: %
+	@echo "Installing $<"
+	-mkdir -p $(ETCDIR)
+	$(INSTALL) $< $@
+
+$(NAMEDB_DIR)/%: %
+	@echo "Installing $<"
+	-mkdir -p $(NAMEDB_DIR)
+	$(INSTALL) $< $@
+
+$(NAMEDB_DIR)/reverse/%: %
+	@echo "Installing $<"
+	-mkdir -p $(NAMEDB_DIR)/reverse
+	$(INSTALL) $< $@
+

named/forward.head.in

+;
+; Authoritative data for @OURDOMAIN@
+;
+
+$TTL	30
+
+@	IN	SOA	@BOSSNODE@. testbed-ops.@BOSSNODE@. (
+				30        ; Serial (leaveme)
+				3600      ; Refresh
+				900       ; Retry
+				3600000   ; Expire
+				3600 )    ; Minimum
+	IN	NS	ns.@OURDOMAIN@.
+
+$TTL	30
+
+
+; '@OURDOMAIN@' is implied in the line below
+		IN	A		@BOSSNODE_IP@
+		IN	MX 10	ops
+
+; Apparently, CNAME NS records are a bad idea - so, ns.emulab.net
+; and boss are both A records
+ns		IN	A		@BOSSNODE_IP@
+boss		IN	A		@BOSSNODE_IP@
+		IN	MX 10	ops
+
+; CNAMEs for boss
+www		IN	CNAME   boss
+db		IN	CNAME	boss
+cvsup		IN	CNAME	boss
+
+; Plastic and names it is otherwise known as...
+ops		IN	A		@USERNODE_IP@
+		IN	MX 10	ops
+users		IN	CNAME	ops
+fs		IN	CNAME	ops
+ntp1		IN	CNAME	ops
+ntp2		IN	CNAME	ops
+event-server	IN	CNAME	ops
+
+; Routers interfaces in the various subnets
+private-router	IN	A		@PRIVATE_ROUTER@
+public-router	IN	A		@PUBLIC_ROUTER@
+control-router	IN	A		@CONTROL_ROUTER_IP@
+

named/localhost.rev.in

+$TTL	3600
+
+@	IN	SOA	@BOSSNODE@. testbed-ops.@BOSSNODE@. (
+				69        ; Serial (leaveme)
+				3600      ; Refresh
+				900       ; Retry
+				3600000   ; Expire
+				3600 )    ; Minimum
+	IN	NS	@BOSSNODE@.
+ 	IN	PTR	localhost.@OURDOMAIN@.
+

named/named.conf.template.in

+#
+# DNS configuration for @BOSSNODE@
+#
+
+#####################
+# IMPORTANT!!!!
+#
+# Note that there are now two 'views' in this file, and unfortunately, we
+# have to duplicate all zones in both of them! So, if you make any zone
+# changes, make sure to make them in both places!!!
+#####################
+
+#
+# global server configuration options
+#
+options {
+    directory "/etc/namedb";
+    # Put forwarders here if you have them
+    #forwarders {
+    #    1.1.1.1;
+    #};
+};
+
+view "internal" {
+    match-clients {
+        127.0.0.0/8;
+	%internal_network_withmask%;
+        172.16.0.0/12;
+    };
+
+    zone "@OURDOMAIN@" in {
+        type master;
+        file "@OURDOMAIN@.internal.db";
+    };
+
+    zone "0.0.127.in-addr.arpa" {
+	      type master;
+	      file "localhost.rev";
+	  };
+
+    zone "." in {
+	      type hint;
+	      file "named.root";
+	  };
+
+    zone "%internal_network_dotted_reverse%.in-addr.arpa" in {
+        type master;
+        file "reverse/%internal_network_dotted%.db";
+    };
+};
+
+view "external" {
+    match-clients {
+        any;
+    };
+
+    zone "@OURDOMAIN@" in {
+        type master;
+        file "@OURDOMAIN@.db";
+    };
+
+    zone "0.0.127.in-addr.arpa" {
+	      type master;
+	      file "localhost.rev";
+	  };
+
+    zone "." in {
+	      type hint;
+	      file "named.root";
+	  };
+
+    zone "%internal_network_dotted_reverse%.in-addr.arpa" in {
+        type master;
+        file "reverse/%internal_network_dotted%.db";
+    };
+};
+

named/named_makeconf.in

+#!/usr/bin/perl -w
+
+#
+# EMULAB-COPYRIGHT
+# Copyright (c) 2000-2004 University of Utah and the Flux Group.
+# All rights reserved.
+#
+use Getopt::Std;
+use Socket;
+
+#
+# named_makeconf - helper script to create named.conf file. The template
+# looks like standard file, only with %token% strings that need to be
+# replaced. See below.
+#
+sub usage {
+	print "Usage: $0 <templatefile>\n";
+	print "Spits out a named.conf file on stdout, as in:\n";
+	print "$0 named.conf.template > named.conf\n";
+}
+
+#
+# Configure variables
+#
+my $TESTBED_NETWORK    = "@TESTBED_NETWORK@";
+my $TESTBED_NETMASK    = "@TESTBED_NETMASK@";
+my $BOSSNODE_IP        = "@BOSSNODE_IP@";
+my $USERNODE_IP        = "@USERNODE_IP@";
+my $CONTROL_ROUTER_IP  = "@CONTROL_ROUTER_IP@";
+my $CONTROL_NETWORK    = "@CONTROL_NETWORK@";
+my $CONTROL_NETMASK    = "@CONTROL_NETMASK@";
+my $PRIVATE_NETWORK    = "@PRIVATE_NETWORK@";
+my $PRIVATE_ROUTER     = "@PRIVATE_ROUTER@";
+my $PRIVATE_NETMASK    = "@PRIVATE_NETMASK@";
+my $PUBLIC_NETWORK     = "@PUBLIC_NETWORK@";
+my $PUBLIC_ROUTER      = "@PUBLIC_ROUTER@";
+my $PUBLIC_NETMASK     = "@PUBLIC_NETMASK@";
+
+# Testbed libraries.
+use lib "@prefix@/lib";
+use libdb;
+
+# Simple is good. I stole this out of a google search.
+my @NETMASKS =
+    (0x10000000,                                             # 0
+     0x80000000, 0xC0000000, 0xE0000000, 0xF0000000,         #  1 -  4
+     0xF8000000, 0xFC000000, 0xFE000000, 0xFF000000,         #  5 -  8
+     0xFF800000, 0xFFC00000, 0xFFE00000, 0xFFF00000,         #  9 - 12
+     0xFFF80000, 0xFFFC0000, 0xFFFE0000, 0xFFFF0000,         # 13 - 16
+     0xFFFF8000, 0xFFFFC000, 0xFFFFE000, 0xFFFFF000,         # 17 - 20
+     0xFFFFF800, 0xFFFFFC00, 0xFFFFFE00, 0xFFFFFF00,         # 21 - 24
+     0xFFFFFF80, 0xFFFFFFC0, 0xFFFFFFE0, 0xFFFFFFF0,         # 25 - 28
+     0xFFFFFFF8, 0xFFFFFFFC, 0xFFFFFFFE, 0xFFFFFFFF          # 29 - 32
+);
+
+my $TESTBED_SLASH_NETMASK = "24";
+for (my $i = 0; $i < scalar(@NETMASKS); $i++) {
+    my $foo = pack("N", $NETMASKS[$i]);
+
+    if ($TESTBED_NETMASK eq inet_ntoa($foo)) {
+	$TESTBED_SLASH_NETMASK = "$i";
+	last;
+    }
+}
+
+# This is for the dotted and reverse dotted notation needed for the
+# reverse maps. This is probably all wrong ... 
+my ($a, $b, $c, $d) = ($TESTBED_NETWORK =~ /(\d+)\.(\d+)\.(\d+)\.(\d+)/);
+
+$infile = shift @ARGV || exit &usage;
+
+open(IF,"<$infile") or
+    die("Unable to open $infile for reading\n");
+
+while (<IF>) {
+	if (/^(.*)\%([-\w]*)\%(.*)$/) {
+	    if ($2 eq "internal_network_withmask") {
+		print $1 . "${TESTBED_NETWORK}/${TESTBED_SLASH_NETMASK}" ."$3\n";
+	    }
+	    elsif ($2 eq "internal_network_dotted") {
+		print $1 . "${a}.${b}.${c}" . "$3\n";
+	    }
+	    elsif ($2 eq "internal_network_dotted_reverse") {
+		print $1 . "${c}.${b}.${a}" . "$3\n";
+	    }
+	    else {
+		die("*** $0:\n".
+		    "    Unknown special tag in named template file!\n");
+	    }
+	}
+	else {
+	    # It's a regular line
+	    print;
+	}
+}
+close(IF);
+exit(0);

named/resolv.conf.in

+domain @OURDOMAIN@
+search @OURDOMAIN@
+nameserver 127.0.0.1

named/reverse.head.in

+$TTL	10800
+
+@	IN	SOA	@BOSSNODE@. testbed-ops.@BOSSNODE@. (
+				14        ; Serial (leaveme)
+				3600      ; Refresh
+				900       ; Retry
+				3600000   ; Expire
+				3600 )    ; Minimum
+	IN	NS	ns.@OURDOMAIN@.
+
+