This file is indexed.

/usr/lib/xtables-addons/xt_geoip_build is in xtables-addons-common 2.10-1build1.

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
#!/usr/bin/perl
#
#	Converter for MaxMind CSV database to binary, for xt_geoip
#	Copyright © Jan Engelhardt, 2008-2011
#
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 @_));
}