###############################################################################
# #
# IPFire.org - A linux based firewall #
-# Copyright (C) 2013 Alexander Marx <amarx@ipfire.org> #
+# Copyright (C) 2021 Alexander Marx <amarx@ipfire.org> #
# #
# This program is free software: you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
###############################################################################
use strict;
+use experimental 'smartmatch';
+
no warnings 'uninitialized';
package fwlib;
my %customnetwork=();
my %customhost=();
my %customgrp=();
-my %customgeoipgrp=();
+my %customlocationgrp=();
my %customservice=();
my %customservicegrp=();
my %ccdnet=();
my %aliases=();
require '/var/ipfire/general-functions.pl';
+require '/var/ipfire/location-functions.pl';
my $confignet = "${General::swroot}/fwhosts/customnetworks";
my $confighost = "${General::swroot}/fwhosts/customhosts";
my $configgrp = "${General::swroot}/fwhosts/customgroups";
-my $configgeoipgrp = "${General::swroot}/fwhosts/customgeoipgrp";
+my $configlocationgrp = "${General::swroot}/fwhosts/customlocationgrp";
my $configsrv = "${General::swroot}/fwhosts/customservices";
my $configsrvgrp = "${General::swroot}/fwhosts/customservicegrp";
my $configccdnet = "${General::swroot}/ovpn/ccd.conf";
&General::readhasharray("$confignet", \%customnetwork);
&General::readhasharray("$confighost", \%customhost);
&General::readhasharray("$configgrp", \%customgrp);
-&General::readhasharray("$configgeoipgrp", \%customgeoipgrp);
+&General::readhasharray("$configlocationgrp", \%customlocationgrp);
&General::readhasharray("$configccdnet", \%ccdnet);
&General::readhasharray("$configccdhost", \%ccdhost);
&General::readhasharray("$configipsec", \%ipsecconf);
&General::readhasharray("$configsrvgrp", \%customservicegrp);
&General::get_aliases(\%aliases);
+# Get all available locations.
+my @available_locations = &get_locations();
+
sub get_srv_prot
{
my $val=shift;
my $val=shift;
my $field=shift;
foreach my $key (sort {$a <=> $b} keys %ipsecconf){
+ #adapt $val to reflect real name without subnet (if rule with only one ipsec subnet is created)
+ my @tmpval = split (/\|/, $val);
+ $val = $tmpval[0];
if($ipsecconf{$key}[1] eq $val){
return $ipsecconf{$key}[$field];
}
}
}
}
+sub get_ipsec_id {
+ my $val = shift;
+
+ foreach my $key (keys %ipsecconf) {
+ if ($ipsecconf{$key}[1] eq $val) {
+ return $key;
+ }
+ }
+}
sub get_ovpn_n2n_ip
{
my $val=shift;
foreach my $grp (sort {$a <=> $b} keys %customgrp) {
if ($customgrp{$grp}[0] eq $value) {
my @address = &get_address($customgrp{$grp}[3], $customgrp{$grp}[2], $type);
-
+ next if ($address[0][0] eq 'none');
if (@address) {
push(@addresses, @address);
}
}
}
- }elsif ($addr_type ~~ ["cust_geoip_src", "cust_geoip_tgt"] && $value =~ "group:") {
+ }elsif ($addr_type ~~ ["cust_location_src", "cust_location_tgt"] && $value =~ "group:") {
$value=substr($value,6);
- foreach my $grp (sort {$a <=> $b} keys %customgeoipgrp) {
- if ($customgeoipgrp{$grp}[0] eq $value) {
- my @address = &get_address($addr_type, $customgeoipgrp{$grp}[2], $type);
+ foreach my $grp (sort {$a <=> $b} keys %customlocationgrp) {
+ if ($customlocationgrp{$grp}[0] eq $value) {
+ my @address = &get_address($addr_type, $customlocationgrp{$grp}[2], $type);
if (@address) {
push(@addresses, @address);
# IPsec networks.
} elsif ($key ~~ ["ipsec_net_src", "ipsec_net_tgt", "IpSec Network"]) {
- my $network_address = &get_ipsec_net_ip($value, 11);
- if ($network_address) {
- push(@ret, [$network_address, ""]);
+ #Check if we have multiple subnets and only want one of them
+ if ( $value =~ /\|/ ){
+ my @parts = split(/\|/, $value);
+ push(@ret, [$parts[1], ""]);
+ }else{
+ my $interface_mode = &get_ipsec_net_ip($value, 36);
+ if ($interface_mode ~~ ["gre", "vti"]) {
+ my $id = &get_ipsec_id($value);
+ push(@ret, ["0.0.0.0/0", "${interface_mode}${id}"]);
+ } else {
+ my $network_address = &get_ipsec_net_ip($value, 11);
+ my @nets = split(/\|/, $network_address);
+ foreach my $net (@nets) {
+ push(@ret, [$net, ""]);
+ }
+ }
}
# The firewall's own IP addresses.
}
}
- # Handle rule options with GeoIP as source.
- } elsif ($key eq "cust_geoip_src") {
- # Get external interface.
- my $external_interface = &get_external_interface();
+ # Handle rule options with a location as source.
+ } elsif ($key eq "cust_location_src") {
+ # Check if the given location is available.
+ if(&location_is_available($value)) {
+ # Get external interface.
+ my $external_interface = &get_external_interface();
- push(@ret, ["-m geoip --src-cc $value", "$external_interface"]);
+ push(@ret, ["-m set --match-set CC_$value src", "$external_interface"]);
+ }
- # Handle rule options with GeoIP as target.
- } elsif ($key eq "cust_geoip_tgt") {
- # Get external interface.
- my $external_interface = &get_external_interface();
+ # Handle rule options with a location as target.
+ } elsif ($key eq "cust_location_tgt") {
+ # Check if the given location is available.
+ if(&location_is_available($value)) {
+ # Get external interface.
+ my $external_interface = &get_external_interface();
- push(@ret, ["-m geoip --dst-cc $value", "$external_interface"]);
+ push(@ret, ["-m set --match-set CC_$value dst", "$external_interface"]);
+ }
# If nothing was selected, we assume "any".
} else {
return 0;
}
-sub get_geoip_locations() {
- # Path to the directory which contains the binary geoip
- # databases.
- my $directory="/usr/share/xt_geoip/LE";
-
- # Array to store the final country list.
- my @country_codes = ();
-
- # Open location and do a directory listing.
- opendir(DIR, "$directory");
- my @locations = readdir(DIR);
- closedir(DIR);
-
- # Loop through the directory listing, and cut of the file extensions.
- foreach my $location (sort @locations) {
- # skip . and ..
- next if($location =~ /^\.$/);
- next if($location =~ /^\.\.$/);
-
- # Remove whitespaces.
- chomp($location);
-
- # Cut-off file extension.
- my ($country_code, $extension) = split(/\./, $location);
+sub get_locations() {
+ return &Location::Functions::get_locations();
+}
- # Add country code to array.
- push(@country_codes, $country_code);
+# Function to check if a database of a given location is
+# available.
+sub location_is_available($) {
+ my ($requested_location) = @_;
+
+ # Loop through the global array of available locations.
+ foreach my $location (@available_locations) {
+ # Check if the current processed location is the searched one.
+ if($location eq $requested_location) {
+ # If it is part of the array, return "1" - True.
+ return 1;
+ }
}
- # Return final array.
- return @country_codes;
+ # If we got here, the given location is not part of the array of available
+ # zones. Return nothing.
+ return;
}
return 1;