write real files

[pve-firewall.git] / PVE / Firewall.pm

diff --git a/PVE/Firewall.pm b/PVE/Firewall.pm
index f75879ef11aa600a9b5892ddd7b21b5f137e9c13..cf53afc1cace24113e6638263bf789346e3b1d6b 100644 (file)
--- a/PVE/Firewall.pm
+++ b/PVE/Firewall.pm
@@ -3,32 +3,147 @@ package PVE::Firewall;
 use warnings;
 use strict;
 use Data::Dumper;
-
+use PVE::Tools;
 use PVE::QemuServer;
 
 # we need complete VM configuration of all VMs (openvz/qemu)
 # in vmdata
 
 sub compile {
-    my ($vmdata) = @_;
+    my ($targetdir, $vmdata) = @_;
 
     my $netinfo;
 
+    my $zoneinfo = {
+       fw => { type => 'firewall' },
+    };
+
+    my $register_bridge = sub {
+       my ($bridge) = @_;
+
+       my $zone =  'z' . $bridge;
+
+       return $zone if $zoneinfo->{$zone};
+
+       $zoneinfo->{$zone} = {
+           type => 'bridge',
+           bridge => $bridge,
+       };
+       
+       return $zone;
+    };
+
     foreach my $vmid (keys %{$vmdata->{qemu}}) {
        $netinfo->{$vmid} = {};
        my $conf = $vmdata->{qemu}->{$vmid};
        foreach my $opt (keys %$conf) {
            next if $opt !~ m/^net(\d+)$/;
+           my $netid = $1;
            my $net = PVE::QemuServer::parse_net($conf->{$opt});
            next if !$net;
-           $netinfo->{$vmid} = $net;
+           die "implement me" if !$net->{bridge};
+           my $bridge = $net->{bridge};
+           my $bridge_zone = &$register_bridge($bridge);
+           if (defined($net->{tag})) {
+               $bridge = $bridge .= "v$net->{tag}";
+               $bridge_zone = &$register_bridge($bridge);
+           }
+
+           my $vmzone = $conf->{zone} || "vm$vmid";
+           my $zone = "$bridge_zone$vmzone";
+           $net->{zone} = $zone;
+           $zoneinfo->{$zone}->{type} = 'bport';
+           $zoneinfo->{$zone}->{bridge_zone} = $bridge_zone;
+           $zoneinfo->{$zone}->{ifaces}->{"tap${vmid}i${netid}"} = 1;
+           $netinfo->{$vmid}->{$netid} = $net;
+       }
+    }
+
+    #print Dumper($netinfo);
+
+    # NOTE: zone names have length limit, so we need to
+    # translate them into shorter names 
+
+    my $zoneid = 0;
+    my $zonemap = { fw => 'fw' };
+
+    my $lookup_zonename = sub {
+       my ($zone) = @_;
+
+       return $zonemap->{$zone} if defined($zonemap->{$zone});
+       $zonemap->{$zone} = 'z' . $zoneid++;
+
+       return $zonemap->{$zone};
+    };
+
+    # dump zone file
+
+    my $out;
+
+    my $format = "%-15s %-10s %s\n";
+    $out = sprintf($format, '#ZONE', 'TYPE', 'OPTIONS');
+    
+    foreach my $z (sort keys %$zoneinfo) {
+       my $zid = &$lookup_zonename($z);
+       if ($zoneinfo->{$z}->{type} eq 'firewall') {
+           $out .= sprintf($format, $zid, $zoneinfo->{$z}->{type}, '');
+       } elsif ($zoneinfo->{$z}->{type} eq 'bridge') {
+           $out .= sprintf($format, &$lookup_zonename($z), 'ipv4', '');
+       } elsif ($zoneinfo->{$z}->{type} eq 'bport') {
+           my $bridge_zone = $zoneinfo->{$z}->{bridge_zone} || die "internal error";
+           my $bzid = &$lookup_zonename($bridge_zone);
+           $out .= sprintf($format, "$zid:$bzid", 'bport', '');
+       } else {
+           die "internal error";
+       }
+    }
+
+    $out .= sprintf("#LAST LINE - ADD YOUR ENTRIES ABOVE THIS ONE - DO NOT REMOVE\n");
+
+    PVE::Tools::file_set_contents("$targetdir/zones", $out);
+
+    # dump interfaces
+
+    $format = "%-15s %-20s %-10s %s\n";
+    $out = sprintf($format, '#ZONE', 'INTERFACE', 'BROADCAST', 'OPTIONS');
+
+    foreach my $z (sort keys %$zoneinfo) {
+       my $zid = &$lookup_zonename($z);
+       if ($zoneinfo->{$z}->{type} eq 'firewall') {
+           # do nothing;
+       } elsif ($zoneinfo->{$z}->{type} eq 'bridge') {
+           my $bridge = $zoneinfo->{$z}->{bridge} || die "internal error";
+           $out .= sprintf($format, $zid, $bridge, 'detect', 'bridge');
+
+       } elsif ($zoneinfo->{$z}->{type} eq 'bport') {
+           my $ifaces = $zoneinfo->{$z}->{ifaces};
+           foreach my $iface (sort keys %$ifaces) {
+               my $bridge_zone = $zoneinfo->{$z}->{bridge_zone} || die "internal error";
+               my $bridge = $zoneinfo->{$bridge_zone}->{bridge} || die "internal error";
+               my $iftxt = "$bridge:$iface";
+               $out .= sprintf($format, $zid, $iftxt, '', '');
+           }
+       } else {
+           die "internal error";
        }
     }
 
-    print Dumper($netinfo);
+    $out .= sprintf("#LAST LINE - ADD YOUR ENTRIES ABOVE THIS ONE - DO NOT REMOVE\n");
+
+    PVE::Tools::file_set_contents("$targetdir/interfaces", $out);
+
+    # dump policy
+
+    $format = "%-15s %-15s %-15s %s\n";
+    $out = sprintf($format, '#SOURCE', 'DEST', 'POLICY', 'LOG');
+    $out .= sprintf($format, 'all', 'all', 'REJECT', 'info');
+
+    PVE::Tools::file_set_contents("$targetdir/policy", $out);
+
 
 }
 
+
 sub activate {
 
 }