Got contributed script to turn etc hosts into unbound config.

git-svn-id: file:///svn/unbound/trunk@1649 be551aaa-1e26-0410-a405-d3ace91eadb9

contrib/README

@@ -12,3 +12,5 @@ distribution but may be helpful.
 * unbound_cacti.tar.gz : setup files for cacti statistics report
 * selinux: the .fc and .te files for SElinux protection of the unbound daemon
 * unbound.plist: launchd configuration file for MacOSX.
+* build-unbound-localzone-from-hosts.pl: perl script to turn /etc/hosts into
+	a local-zone and local-data include file for unbound.conf.

contrib/build-unbound-localzone-from-hosts.pl

@@ -0,0 +1,67 @@
+#!/usr/bin/perl -WT
+
+use strict;
+use warnings;
+
+my $hostsfile = '/etc/hosts';
+my $localzonefile = '/etc/unbound/localzone.conf.new';
+
+my $localzone = 'example.com';
+
+open( HOSTS,"<${hostsfile}" ) or die( "Could not open ${hostsfile}: $!" );
+open( ZONE,">${localzonefile}" ) or die( "Could not open ${localzonefile}: $!" );
+
+print ZONE "server:\n\n";
+print ZONE "local-zone: \"${localzone}\" transparent\n\n";
+
+my %ptrhash;
+
+while ( my $hostline = <HOSTS> ) {
+
+	# Skip comments
+	if ( $hostline !~ "^#" and $hostline !~ '^\s+$' ) {
+
+		my @entries = split( /\s+/, $hostline );
+
+		my $ip;
+
+		my $count = 0;
+		foreach my $entry ( @entries ) {
+			if ( $count == 0 ) {
+				$ip = $entry;
+			} else {
+
+				if ( $count == 1) {
+
+					# Only return localhost for 127.0.0.1 and ::1
+					if ( ($ip ne '127.0.0.1' and $ip ne '::1') or $entry =~ 'localhost' ) {
+						if ( ! defined $ptrhash{$ip} ) {
+							$ptrhash{$ip} = $entry;
+							print ZONE "local-data-ptr: \"$ip $entry\"\n";
+						}
+					}
+
+				}
+
+				# Use AAAA for IPv6 addresses
+				my $a = 'A';
+				if ( $ip =~ ':' ) {
+					$a = 'AAAA';
+				}
+
+				print ZONE "local-data: \"$entry ${a} $ip\"\n";
+
+			}
+			$count++;
+		}
+		print ZONE "\n";
+
+
+	}
+}
+
+
+
+
+__END__
+

doc/Changelog

@@ -5,6 +5,8 @@
 	  server.  This makes a stub pointing to a local server that has
 	  a local view of example.com signed with the same keys as are
 	  publicly used work.  Reported by Johan Ihren.
+	- Added build-unbound-localzone-from-hosts.pl to contrib, from
+	  Dennis DeDonatis.  It converts /etc/hosts into config statements.
 
 9 June 2009: Wouter
 	- openssl key files are opened apache-style, when user is root and