mirror of
https://github.com/nginx/nginx.git
synced 2024-11-23 20:19:02 +08:00
59 lines
1.2 KiB
Perl
59 lines
1.2 KiB
Perl
|
#!/usr/bin/perl -w
|
||
|
|
|
||
|
|
# (c) Andrei Nigmatulin, 2005
|
||
|
|
#
|
||
|
|
# this script provided "as is", without any warranties. use it at your own risk.
|
||
|
|
#
|
||
|
|
# special thanx to Andrew Sitnikov for perl port
|
||
|
|
#
|
||
|
|
# this script converts CSV geoip database (free download at http://www.maxmind.com/app/geoip_country)
|
||
|
|
# to format, suitable for use with nginx_http_geo module (http://sysoev.ru/nginx)
|
||
|
|
#
|
||
|
|
# for example, line with ip range
|
||
|
|
#
|
||
|
|
# "62.16.68.0","62.16.127.255","1041253376","1041268735","RU","Russian Federation"
|
||
|
|
#
|
||
|
|
# will be converted to four subnetworks:
|
||
|
|
#
|
||
|
|
# 62.16.68.0/22 RU;
|
||
|
|
# 62.16.72.0/21 RU;
|
||
|
|
# 62.16.80.0/20 RU;
|
||
|
|
# 62.16.96.0/19 RU;
|
||
|
|
|
||
|
|
|
||
|
|
use warnings;
|
||
|
|
use strict;
|
||
|
|
|
||
|
|
while( <STDIN> ){
|
||
|
|
if (/"[^"]+","[^"]+","([^"]+)","([^"]+)","([^"]+)"/){
|
||
|
|
print_subnets($1, $2, $3);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
sub print_subnets {
|
||
|
|
my ($a1, $a2, $c) = @_;
|
||
|
|
my $l;
|
||
|
|
while ($a1 <= $a2) {
|
||
|
|
for ($l = 0; ($a1 & (1 << $l)) == 0 && ($a1 + ((1 << ($l + 1)) - 1)) <= $a2; $l++){};
|
||
|
|
print long2ip($a1) . "/" . (32 - $l) . " " . $c . ";\n";
|
||
|
|
$a1 += (1 << $l);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
sub long2ip {
|
||
|
|
my $ip = shift;
|
||
|
|
|
||
|
|
my $str = 0;
|
||
|
|
|
||
|
|
$str = ($ip & 255);
|
||
|
|
|
||
|
|
$ip >>= 8;
|
||
|
|
$str = ($ip & 255).".$str";
|
||
|
|
|
||
|
|
$ip >>= 8;
|
||
|
|
$str = ($ip & 255).".$str";
|
||
|
|
|
||
|
|
$ip >>= 8;
|
||
|
|
$str = ($ip & 255).".$str";
|
||
|
|
}
|