/usr/lib/xtables-addons/xt_geoip_build is in xtables-addons-common 1.40-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 | #!/usr/bin/perl
#
# Converter for MaxMind CSV database to binary, for xt_geoip
# Copyright © Jan Engelhardt <jengelh@medozas.de>, 2008-2011
#
# 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 $csv = Text::CSV_XS->new({
allow_whitespace => 1,
binary => 1,
eol => $/,
}); # or Text::CSV
my $target_dir = ".";
&Getopt::Long::Configure(qw(bundling));
&GetOptions(
"D=s" => \$target_dir,
);
if (!-d $target_dir) {
print STDERR "Target directory $target_dir does not exist.\n";
exit 1;
}
foreach (qw(LE BE)) {
my $dir = "$target_dir/$_";
if (!-e $dir && !mkdir($dir)) {
print STDERR "Could not mkdir $dir: $!\n";
exit 1;
}
}
&dump(&collect());
sub collect
{
my %country;
while (my $row = $csv->getline(*ARGV)) {
if (!defined($country{$row->[4]})) {
$country{$row->[4]} = {
name => $row->[5],
pool_v4 => [],
pool_v6 => [],
};
}
my $c = $country{$row->[4]};
if ($row->[0] =~ /:/) {
push(@{$c->{pool_v6}},
[&ip6_pack($row->[0]), &ip6_pack($row->[1])]);
} else {
push(@{$c->{pool_v4}}, [$row->[2], $row->[3]]);
}
if ($. % 4096 == 0) {
print STDERR "\r\e[2K$. entries";
}
}
print STDERR "\r\e[2K$. entries total\n";
return \%country;
}
sub dump
{
my $country = shift @_;
foreach my $iso_code (sort keys %$country) {
&dump_one($iso_code, $country->{$iso_code});
}
}
sub dump_one
{
my($iso_code, $country) = @_;
my($file, $fh_le, $fh_be);
printf "%5u IPv6 ranges for %s %s\n",
scalar(@{$country->{pool_v6}}),
$iso_code, $country->{name};
$file = "$target_dir/LE/".uc($iso_code).".iv6";
if (!open($fh_le, "> $file")) {
print STDERR "Error opening $file: $!\n";
exit 1;
}
$file = "$target_dir/BE/".uc($iso_code).".iv6";
if (!open($fh_be, "> $file")) {
print STDERR "Error opening $file: $!\n";
exit 1;
}
foreach my $range (@{$country->{pool_v6}}) {
print $fh_be $range->[0], $range->[1];
print $fh_le &ip6_swap($range->[0]), &ip6_swap($range->[1]);
}
close $fh_le;
close $fh_be;
printf "%5u IPv4 ranges for %s %s\n",
scalar(@{$country->{pool_v4}}),
$iso_code, $country->{name};
$file = "$target_dir/LE/".uc($iso_code).".iv4";
if (!open($fh_le, "> $file")) {
print STDERR "Error opening $file: $!\n";
exit 1;
}
$file = "$target_dir/BE/".uc($iso_code).".iv4";
if (!open($fh_be, "> $file")) {
print STDERR "Error opening $file: $!\n";
exit 1;
}
foreach my $range (@{$country->{pool_v4}}) {
print $fh_le pack("VV", $range->[0], $range->[1]);
print $fh_be pack("NN", $range->[0], $range->[1]);
}
close $fh_le;
close $fh_be;
}
sub ip6_pack
{
my $addr = shift @_;
$addr =~ s{::}{:!:};
my @addr = split(/:/, $addr);
my @e = (0) x 8;
foreach (@addr) {
if ($_ eq "!") {
$_ = join(':', @e[0..(8-scalar(@addr))]);
}
}
@addr = split(/:/, join(':', @addr));
$_ = hex($_) foreach @addr;
return pack("n*", @addr);
}
sub ip6_swap
{
return pack("V*", unpack("N*", shift @_));
}
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