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|
#!/usr/bin/env perl
use strict;
use warnings;
use Cpanel::JSON::XS;
use Getopt::Long;
use IO::Handle;
use MaxMind::DB::Reader;
use Net::Works::Network;
no warnings 'once';
*Math::BigInt::TO_JSON = sub { return $_[0] . q{} }
unless Math::BigInt->can('TO_JSON');
sub main {
my $file;
GetOptions(
'file:s' => \$file,
);
my $reader = MaxMind::DB::Reader->new( file => $file );
my $ip_version = $reader->ip_version;
# For large databases this iteration could take a long time so it's good
# to send output as it's available.
STDOUT->autoflush(1);
print "[\n";
$reader->iterate_search_tree( sub { _dump_entry( $ip_version, @_ ) } );
print "]\n";
}
{
my $alias_ffff
= Net::Works::Network->new_from_string( string => '::ffff:0:0/96' );
my $alias_2002
= Net::Works::Network->new_from_string( string => '2002::/16' );
my @ignore_ranges = (
[
$alias_ffff->first->as_integer,
$alias_ffff->last->as_integer,
],
[
$alias_2002->first->as_integer,
$alias_2002->last->as_integer,
],
);
my $JSON
= Cpanel::JSON::XS->new->utf8->allow_nonref->pretty->convert_blessed;
sub _dump_entry {
my $ip_version = shift;
my $ipnum = shift;
my $depth = shift;
my $entry_data = shift;
if ( $ip_version == 6 ) {
for my $range (@ignore_ranges) {
return if $ipnum >= $range->[0] && $ipnum <= $range->[1];
}
}
my $network = Net::Works::Network->new_from_integer(
integer => $ipnum,
mask_length => $depth,
ip_version => $ip_version,
);
my $encoded = $JSON->encode( { $network->as_string => $entry_data } );
$encoded =~ s/^/ /mg;
$encoded =~ s/}$/},/s;
print $encoded;
}
}
main();
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