smeserver-manager/root/usr/share/smanager/lib/SrvMngr/Controller/Localnetworks.pm

268 lines
9.6 KiB
Perl

package SrvMngr::Controller::Localnetworks;
#----------------------------------------------------------------------
# heading : Network
# description : Local networks
# navigation : 6000 500
#
# routes : end
#----------------------------------------------------------------------
use strict;
use warnings;
use Mojo::Base 'Mojolicious::Controller';
use Locale::gettext;
use SrvMngr::I18N;
use SrvMngr qw(theme_list init_session subnet_mask get_reg_mask ip_number);
#use Data::Dumper;
use esmith::util;
use esmith::HostsDB;
my $network_db = esmith::NetworksDB->open() || die("Couldn't open networks db");
my $ret = "OK";
sub main {
my $c = shift;
$c->app->log->info($c->log_req);
my %ln_datas = ();
$ln_datas{return} = "";
my $title = $c->l('ln_LOCAL NETWORKS');
my $modul = '';
$ln_datas{trt} = 'LIST';
my @localnetworks;
if ($network_db) {
@localnetworks = $network_db->get_all_by_prop(type => 'network');
}
$c->stash(
title => $title,
modul => $modul,
ln_datas => \%ln_datas,
localnetworks => \@localnetworks
);
$c->render(template => 'localnetworks');
} ## end sub main
sub do_display {
my $c = shift;
$c->app->log->info($c->log_req);
my $rt = $c->current_route;
my $trt = ($c->param('trt') || 'LIST');
$trt = 'DEL' if ($rt eq 'localnetworksdel');
$trt = 'ADD' if ($rt eq 'localnetworksadd');
$trt = 'ADD1' if ($rt eq 'localnetworksadd1');
$trt = 'DEL1' if ($rt eq 'localnetworksdel1');
my %ln_datas = ();
my $title = $c->l('ln_LOCAL NETWORKS');
my $modul = '';
if ($trt eq 'ADD') {
#Add a network - called from the list panel
# Nothing to do here...as just need fields to input data.
} ## end if ($trt eq 'ADD')
if ($trt eq 'ADD1') {
#Add a network - called after new network details filled in
my %ret = add_network($c);
#Return to list page if success
if ((index($ret{ret}, "SUCCESS") != -1)) {
$trt = "LIST";
} else {
#Error - return to Add page
$trt = "ADD";
}
$network_db = esmith::NetworksDB->open() || die("Failed to open Networkdb-3"); #Refresh the network DB
$c->stash(ret => \%ret); #stash it away for the template
} ## end if ($trt eq 'ADD1')
if ($trt eq 'DEL1') {
#After Remove clicked on Delete network panel
my $network_db = esmith::NetworksDB->open() || die("Failed to open Networkdb-1");
my $localnetwork = $c->param("localnetwork");
my $delete_hosts = $c->param("deletehost") || "1"; #default to deleting them.
my $rec = $network_db->get($localnetwork) || die("Failed to find network on db:$localnetwork");
if ($rec and $rec->prop('type') eq 'localnetwork') {
$ln_datas{localnetwork} = $localnetwork;
}
my %ret = remove_network($localnetwork, $delete_hosts);
$network_db = esmith::NetworksDB->open() || die("Failed to open Networkdb-2"); #Refresh the network DB
my @localnetworks;
if ($network_db) {
@localnetworks = $network_db->get_all_by_prop(type => 'network');
}
# Load up ln_datas with values need by template
$ln_datas{subnet} = $rec->prop('Mask');
$ln_datas{router} = $rec->prop('Router');
$c->stash(ln_datas => \%ln_datas, localnetworks => \@localnetworks, ret => \%ret);
} ## end if ($trt eq 'DEL1')
if ($trt eq 'DEL') {
#Initial delete panel requiring confirmation
my $localnetwork = $c->param("localnetwork") || '';
$c->stash(localnetwork => $localnetwork);
my $rec = $network_db->get($localnetwork) || die("Failed to get local network in db::$localnetwork");
my $subnet = $rec->prop('Mask');
$ln_datas{subnet} = $subnet;
$ln_datas{router} = $rec->prop('Router');
my $numhosts = hosts_on_network($localnetwork, $subnet);
$ln_datas{localnetwork} = $localnetwork;
$ln_datas{deletehosts} = $numhosts > 0 ? 1 : 0;
} ## end if ($trt eq 'DEL')
if ($trt eq 'LIST') {
#List all the networks
my @localnetworks;
if ($network_db) {
@localnetworks = $network_db->get_all_by_prop(type => 'network');
}
$c->stash(localnetworks => \@localnetworks);
## $c->redirect_to('/localnetworks');
} ## end if ($trt eq 'LIST')
$ln_datas{'trt'} = $trt;
$c->stash(title => $title, modul => $modul, ln_datas => \%ln_datas);
$c->render(template => 'localnetworks');
} ## end sub do_display
sub remove_network {
my $network = shift;
my $network_db = esmith::NetworksDB->open();
my $record = $network_db->get($network);
my $delete_hosts = shift;
if (my $record = $network_db->get($network)) {
my $subnet = $record->prop('Mask');
my $router = $record->prop('Router');
$record->set_prop(type => 'network-deleted');
# Untaint $network before use in system()
$network =~ /(.+)/;
$network = $1;
if (system("/sbin/e-smith/signal-event", "network-delete", $network) == 0) {
if ($delete_hosts) {
my @hosts_to_delete = hosts_on_network($network, $subnet);
foreach my $host (@hosts_to_delete) {
$host->delete;
}
} ## end if ($delete_hosts)
$record->delete;
return (ret => 'ln_SUCCESS_REMOVED_NETWORK', vars => "$network,$subnet,$router");
} else {
return (ret => "ln_ERROR_DELETING_NETWORK");
}
} else {
return (ret => "ln_NO_SUCH_NETWORK");
}
} ## end sub remove_network
sub hosts_on_network {
my $network = shift;
my $netmask = shift;
die if not $network and $netmask;
my $cidr = "$network/$netmask";
my $hosts = esmith::HostsDB->open() || die("Couldn't open hosts db");
my @localhosts = grep { $_->prop('HostType') eq 'Local' } $hosts->hosts;
my @hosts_on_network = ();
foreach my $host (@localhosts) {
my $ip = $host->prop('InternalIP') || "";
if ($ip) {
if (Net::IPv4Addr::ipv4_in_network($cidr, $ip)) {
push @hosts_on_network, $host;
}
} ## end if ($ip)
} ## end foreach my $host (@localhosts)
return @hosts_on_network if wantarray;
return scalar @hosts_on_network;
} ## end sub hosts_on_network
sub add_network {
my ($fm) = @_;
my $networkAddress = $fm->param('networkAddress');
my $networkMask = $fm->param('networkMask');
my $networkRouter = $fm->param('networkRouter');
#Validate Ips and subnet mask
my $res = ip_number($fm, $networkAddress);
return (ret => 'ln_INVALID_IP_ADDRESS', vars => "Network Address $res") unless $res eq 'OK';
$res = subnet_mask($networkMask);
return (ret => 'ln_INVALID_SUBNET_MASK', vars => "$networkMask") unless $res eq 'OK';
$res = ip_number($fm, $networkRouter);
return (ret => 'ln_INVALID_IP_ADDRESS', vars => "Routeur Address $res") unless $res eq 'OK';
# we transform bit mask to regular mask
$networkMask = get_reg_mask($networkAddress, $networkMask);
my $network_db = esmith::NetworksDB->open()
|| esmith::NetworksDB->create();
my $config_db = esmith::ConfigDB->open();
my $localIP = $config_db->get('LocalIP');
my $localNetmask = $config_db->get('LocalNetmask');
my ($localNetwork, $localBroadcast)
= esmith::util::computeNetworkAndBroadcast($localIP->value(), $localNetmask->value());
my ($routerNetwork, $routerBroadcast)
= esmith::util::computeNetworkAndBroadcast($networkRouter, $localNetmask->value());
# Note to self or future developers:
# the following tests should probably be validation routines
# in the form itself, but it just seemed too fiddly to do that
# at the moment. -- Skud 2002-04-11
# I agree --bjr 2020-04-18
if ($routerNetwork ne $localNetwork) {
return (ret => 'ln_NOT_ACCESSIBLE_FROM_LOCAL_NETWORK');
}
my ($network, $broadcast) = esmith::util::computeNetworkAndBroadcast($networkAddress, $networkMask);
if ($network eq $localNetwork) {
return (ret => 'ln_NETWORK_ALREADY_LOCAL');
}
if ($network_db->get($network)) {
return (ret => 'ln_NETWORK_ALREADY_ADDED');
}
$network_db->new_record(
$network,
{ Mask => $networkMask,
Router => $networkRouter,
type => 'network',
}
);
# Untaint $network before use in system()
$network =~ /(.+)/;
$network = $1;
system("/sbin/e-smith/signal-event", "network-create", $network) == 0
or (return (ret => 'ln_ERROR_CREATING_NETWORK'));
my ($totalHosts, $firstAddr, $lastAddr) = esmith::util::computeHostRange($network, $networkMask);
my $msg;
if ($totalHosts == 1) {
return (ret => 'ln_SUCCESS_SINGLE_ADDRESS', vars => "$network,$networkMask,$networkRouter");
} elsif (($totalHosts == 256)
|| ($totalHosts == 65536)
|| ($totalHosts == 16777216))
{
return (
ret => 'ln_SUCCESS_NETWORK_RANGE',
vars => "$network,$networkMask,$networkRouter,$totalHosts,$firstAddr,$lastAddr"
);
} else {
my $simpleMask = esmith::util::computeLocalNetworkPrefix($network, $networkMask);
return (
ret => 'ln_SUCCESS_NONSTANDARD_RANGE',
vars => "$network,$networkMask,$networkRouter,$totalHosts,$firstAddr,$lastAddr,$simpleMask"
);
} ## end else [ if ($totalHosts == 1) ]
} ## end sub add_network