Files
xtables-addons/geoip/xt_geoip_build
Jan Engelhardt e2da87230a geoip: prefix tools with xt_
This is preferable to have when manpages go into system locations.
2010-12-17 22:08:15 +01:00

55 lines
1.2 KiB
Perl
Executable File

#!/usr/bin/perl
#
# Converter for MaxMind CSV database to binary, for xt_geoip
# Copyright © Jan Engelhardt <jengelh@medozas.de>, 2008
#
# Use -b argument to create big-endian tables.
#
use Getopt::Long;
use IO::Handle;
use Text::CSV_XS; # or trade for Text::CSV
use strict;
my %country;
my %names;
my $csv = Text::CSV_XS->new({binary => 0, eol => $/}); # or Text::CSV
my $mode = "VV";
my $target_dir = ".";
&Getopt::Long::Configure(qw(bundling));
&GetOptions(
"D=s" => \$target_dir,
"b" => sub { $mode = "NN"; },
);
if (!-d $target_dir) {
print STDERR "Target directory $target_dir does not exist.\n";
exit 1;
}
while (my $row = $csv->getline(*ARGV)) {
if (!defined($country{$row->[4]})) {
$country{$row->[4]} = [];
$names{$row->[4]} = $row->[5];
}
my $c = $country{$row->[4]};
push(@$c, [$row->[2], $row->[3]]);
if ($. % 4096 == 0) {
print STDERR "\r\e[2K$. entries";
}
}
print STDERR "\r\e[2K$. entries total\n";
foreach my $iso_code (sort keys %country) {
printf "%5u ranges for %s %s\n",
scalar(@{$country{$iso_code}}),
$iso_code, $names{$iso_code};
open(my $fh, "> $target_dir/".uc($iso_code).".iv0");
foreach my $range (@{$country{$iso_code}}) {
print $fh pack($mode, $range->[0], $range->[1]);
}
close $fh;
}