1 files changed, 67 insertions, 0 deletions
diff --git a/config/ipblocklist/8/convert.pl b/config/ipblocklist/8/convert.pl
new file mode 100755
index 00000000..f3e9db12
--- /dev/null
+++ b/config/ipblocklist/8/convert.pl
@@ -0,0 +1,67 @@
+#!/usr/bin/perl -w
+use strict;
+
+if($#ARGV != 1) {
+    print("Usage: $0 <input file> <output file>\n");
+    exit(1);
+}
+
+my ($line,$title,$iprange,$cidr);
+my $i = 30000;
+
+open(INFILE,'<',$ARGV[0]) or die("Could not open input file $ARGV[0]");
+open(OUTFILE,'>>',$ARGV[1]) or die("Could not open output file $ARGV[1]");
+
+foreach $line (<INFILE>) {
+    chomp($line);
+    $line =~ s/:((\d{1,3}[-\.]*){8})//;
+    $iprange = $1;
+    print OUTFILE "#$line\n";
+    foreach $cidr (split(/\n/,range($iprange))) {
+        print OUTFILE "$cidr\n";     
+        #print OUTFILE "ipfw -q add 1000 drop ip from any to $cidr\n";   (version 0.1.4)
+        #$i++;
+        #print OUTFILE "ipfw -q add 1001 drop ip from $cidr to any\n";   (version 0.1.4) 
+        #$i++;
+    }
+}
+
+close(INFILE);
+close(OUTFILE);
+
+sub ntoa {
+    return join ".",unpack("CCCC",pack("N",shift));
+}
+sub aton {
+    return unpack 'N', pack 'C4', split/\./, shift;
+}
+sub deaggregate {
+    my $thirtytwobits = 4294967295;
+    my $start = shift;
+    my $end = shift;
+    my $base = $start;
+    my ($step,$output);
+    while ($base <= $end) {
+        $step = 0;
+        while (($base | (1 << $step)) != $base) {
+            if (($base | (((~0) & $thirtytwobits) >> (31-$step))) > $end) {
+                last;
+            }
+            $step++;
+        }
+        if($step == 0) {
+            $output .= ntoa($base);
+        }else{
+            $output .= ntoa($base)."/" .(32-$step);
+        }
+        $output .= "\n";
+        $base += 1 << $step;
+    }
+    return $output;
+}
+sub range {
+    my ($address,$address2) = split /-/, shift;
+    $address = aton($address);
+    $address2 = aton($address2);
+    return deaggregate($address,$address2);
+}