smecontribs/smeserver-wireguard
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initial commit of file from CVS for smeserver-wireguard on Sat Sep 7 16:45:37 AEST 2024

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This commit is contained in:
Trevor Batley
2024-09-07 16:45:37 +10:00
parent 224708b82c
commit b7eed5fe86
69 changed files with 9053 additions and 2 deletions
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80
root/etc/e-smith/events/actions/wireguard-network Executable file
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#!/usr/bin/perl -w
package esmith;
use strict;
use Errno;
use esmith::ConfigDB;
use esmith::AccountsDB;
use NetAddr::IP;
use Net::Netmask;
use NetAddr::IP;
my $conf = esmith::ConfigDB->open;
my $netdb = esmith::ConfigDB->open('networks');
my $accounts = esmith::AccountsDB->open;
esmith::ConfigDB->create('/home/e-smith/db/wireguard') unless (-f '/home/e-smith/db/wireguard');
my $wg = esmith::ConfigDB->open('/home/e-smith/db/wireguard') or die 'wireguard db missing';
my $wg0 = $conf->get('wg-quick@wg0');
my $wgip = $wg0->prop('ip') or die 'wireguard IP not configured';
my $wgmask = $wg0->prop('mask') or die 'wireguard network mask not configured';
#wg-quick@wg0=service
# ip=172.16.0.1
# mask=22
my $block = Net::Netmask->new("$wgip/$wgmask", shortnet => 1);
my $ip = $block->base;
my $mask = $block->mask;
#count clients
my @client = $wg->get_all_by_prop(type=>"wg0");
my $clients = scalar @client;
#check is_rfc1918
#if yes proceed
my $skipme = 0;
my $rfc=NetAddr::IP->new($wgip,$wgmask);
unless ( $rfc->is_rfc1918() ) {
if ($clients == 0 ) {
#if not and no clients make it compliant 172.16.0.1/22 as default
my $minimum=16;
my $maximum=32;
my $x = $minimum + int(rand($maximum - $minimum));
warn("$wgip/$wgmask is not considered as a LAN addressing, set default to 172.$x.0.1/22");
$wgip="172.$x.0.1";$wgmask="22";
$wg0->set_prop('ip',$wgip); $wg0->set_prop('mask',$wgmask);
$block = Net::Netmask->new("$wgip/$wgmask", shortnet => 1);
$ip = $block->base;
$mask = $block->mask;
}
else {
#if not and clients configured, disable service delete network
warn("$wgip/$wgmask is not considered as a LAN addressing, adding this network to SME trusted network could allow email relaying. Disabling service.");
warn("Please remove configured client and start your configuration from scratch");
$wg0->set_prop('status','disabled');
$skipme=1; $ip="nop";
}
}
#if yes proceed
#if not and no clients make it compliant 172.16.0.1/22 as default
#if not and clients configured, disable service delete network
#First delete any already there.
my @wg = $netdb->get_all_by_prop(Wireguard=>"wg0");
foreach my $netwg (@wg) {
next if ($netwg->key eq $ip and $netwg->prop('Mask') eq $mask);
print "delete " . $netwg->key;
$netwg->delete();
}
# and then create one from the wireguard server ip
my $iswg=$netdb->get($ip);
unless ($iswg or $skipme == 1) {
$netdb->new_record("$ip",{ type => "network",
Mask => "$mask",
Wireguard => "wg0",
});
system("/sbin/e-smith/signal-event network-create $ip");
print "creating $ip network with $mask for $wgip/$wgmask";
exit;
}