Refactor a bit into a module.

[nms] / mbd / mbd.pm

diff --git a/mbd/mbd.pm b/mbd/mbd.pm
new file mode 100644 (file)
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;