1 files changed, 50 insertions, 0 deletions
diff --git a/mbd/mbd.pm b/mbd/mbd.pm
new file mode 100644
index 0000000..b844e5b
--- /dev/null
+++ b/mbd/mbd.pm
@@ -0,0 +1,50 @@
+#! /usr/bin/perl
+use strict;
+use warnings;
+use Socket;
+use Net::CIDR;
+use Net::RawIP;
+require './access_list.pl';
+require './nets.pl';
+
+package mbd;
+
+sub expand_range {
+	my $range = shift;
+
+	if ($range =~ /^(\d+)\.\.(\d+)$/) {
+		return $1..$2;
+	} else {
+		return $range;
+	}
+}
+
+sub match_ranges {
+	my ($elem, $ranges) = @_;
+	
+	for my $range (@$ranges) {
+		if ($range =~ /^(\d+)\.\.(\d+)$/) {
+			return 1 if ($elem >= $1 && $elem <= $2);
+		} else {
+			return 1 if ($elem == $range);
+		}
+	}
+
+	return 0;
+}
+
+sub find_all_ports {
+	# Find what ports we need to listen on
+	my %port_hash = ();
+	for my $e (@Config::access_list) {
+		for my $r (@{$e->{'ports'}}) {
+			for my $p (expand_range($r)) {
+				$port_hash{$p} = 1;
+			}
+		}
+	}
+	my @ports = sort { $a <=> $b } keys %port_hash;
+	return @ports;
+}
+
+1;