]>
git.proxmox.com Git - pve-firewall.git/blob - PVE/Firewall.pm
10 my $rule_format = "%-15s %-15s %-15s %-15s %-15s %-15s\n";
12 my $generate_input_rule = sub {
13 my ($zoneinfo, $rule, $net, $netid) = @_;
15 die "not implemented" if $rule->{source
} ne 'any';
16 die "not implemented" if $rule->{dest
} ne 'any';
18 my $zone = $net->{zone
} || die "internal error";
19 my $zid = $zoneinfo->{$zone}->{id
} || die "internal error";
20 my $tap = $net->{tap
} || die "internal error";
22 return sprintf($rule_format, $rule->{action
}, $rule->{source
}, "$zid:$tap",
23 $rule->{proto
} || '-', $rule->{dport
} || '-', $rule->{sport
} || '-');
26 my $generate_output_rule = sub {
27 my ($zoneinfo, $rule, $net, $netid) = @_;
29 die "not implemented" if $rule->{source
} ne 'any';
30 die "not implemented" if $rule->{dest
} ne 'any';
32 my $zone = $net->{zone
} || die "internal error";
33 my $zid = $zoneinfo->{$zone}->{id
} || die "internal error";
34 my $tap = $net->{tap
} || die "internal error";
36 return sprintf($rule_format, $rule->{action
}, "$zid:$tap", $rule->{dest
},
37 $rule->{proto
} || '-', $rule->{dport
} || '-', $rule->{sport
} || '-');
40 # we need complete VM configuration of all VMs (openvz/qemu)
44 my ($targetdir, $vmdata, $rules) = @_;
46 # remove existing data ?
47 foreach my $file (qw(zones rules interfaces maclist policy)) {
48 unlink "$targetdir/$file";
54 fw
=> { type
=> 'firewall' },
61 $register_bridge = sub {
62 my ($bridge, $vlan) = @_;
64 my $zone = 'z' . $bridge;
66 return $zone if $zoneinfo->{$zone};
68 $zoneinfo->{$zone} = {
73 return &$register_bridge("${bridge}v${vlan}") if defined($vlan);
78 my $register_bridge_port = sub {
79 my ($bridge, $vlan, $vmzone, $tap) = @_;
81 my $bridge_zone = &$register_bridge($bridge, $vlan);
82 my $zone = $bridge_zone . $vmzone;
84 if (!$zoneinfo->{$zone}) {
85 $zoneinfo->{$zone} = {
87 bridge_zone
=> $bridge_zone,
92 $zoneinfo->{$zone}->{ifaces
}->{$tap} = 1;
97 foreach my $vmid (keys %{$vmdata->{qemu
}}) {
98 $netinfo->{$vmid} = {};
99 my $conf = $vmdata->{qemu
}->{$vmid};
100 foreach my $opt (keys %$conf) {
101 next if $opt !~ m/^net(\d+)$/;
103 my $net = PVE
::QemuServer
::parse_net
($conf->{$opt});
105 die "implement me" if !$net->{bridge
};
107 my $vmzone = $conf->{zone
} || "vm$vmid";
108 $net->{tap
} = "tap${vmid}i${netnum}";
109 $maclist->{$net->{tap
}} = $net->{macaddr
} || die "internal error";
110 $net->{zone
} = &$register_bridge_port($net->{bridge
}, $net->{tag
}, $vmzone, $net->{tap
});
111 $netinfo->{$vmid}->{$opt} = $net;
115 #print Dumper($netinfo);
117 # NOTE: zone names have length limit, so we need to
118 # translate them into shorter names
121 my $zonemap = { fw
=> 'fw' };
123 my $lookup_zonename = sub {
126 return $zonemap->{$zone} if defined($zonemap->{$zone});
127 $zonemap->{$zone} = 'z' . $zoneid++;
129 return $zonemap->{$zone};
132 foreach my $z (sort keys %$zoneinfo) {
133 $zoneinfo->{$z}->{id
} = &$lookup_zonename($z);
140 my $format = "%-15s %-10s %-15s %s\n";
141 $out = sprintf($format, '#ZONE', 'TYPE', 'OPTIONS', '');
143 foreach my $z (sort keys %$zoneinfo) {
144 my $zid = $zoneinfo->{$z}->{id
};
145 if ($zoneinfo->{$z}->{type
} eq 'firewall') {
146 $out .= sprintf($format, $zid, $zoneinfo->{$z}->{type
}, '' , "# $z");
147 } elsif ($zoneinfo->{$z}->{type
} eq 'bridge') {
148 $out .= sprintf($format, $zid, 'ipv4', '', "# $z");
149 } elsif ($zoneinfo->{$z}->{type
} eq 'bport') {
150 my $bridge_zone = $zoneinfo->{$z}->{bridge_zone
} || die "internal error";
151 my $bzid = $zoneinfo->{$bridge_zone}->{id
} || die "internal error";
152 $out .= sprintf($format, "$zid:$bzid", 'bport', '', "# $z");
154 die "internal error";
158 $out .= sprintf("#LAST LINE - ADD YOUR ENTRIES ABOVE THIS ONE - DO NOT REMOVE\n");
160 PVE
::Tools
::file_set_contents
("$targetdir/zones", $out);
164 $format = "%-15s %-20s %-10s %-15s %s\n";
165 $out = sprintf($format, '#ZONE', 'INTERFACE', 'BROADCAST', 'OPTIONS', '');
167 my $maclist_format = "%-15s %-15s %-15s\n";
168 my $macs = sprintf($maclist_format, '#DISPOSITION', 'INTERFACE', 'MACZONE');
170 foreach my $z (sort keys %$zoneinfo) {
171 my $zid = $zoneinfo->{$z}->{id
};
172 if ($zoneinfo->{$z}->{type
} eq 'firewall') {
174 } elsif ($zoneinfo->{$z}->{type
} eq 'bridge') {
175 my $bridge = $zoneinfo->{$z}->{bridge
} || die "internal error";
176 $out .= sprintf($format, $zid, $bridge, 'detect', 'bridge,optional', "# $z");
178 } elsif ($zoneinfo->{$z}->{type
} eq 'bport') {
179 my $ifaces = $zoneinfo->{$z}->{ifaces
};
180 foreach my $iface (sort keys %$ifaces) {
181 my $bridge_zone = $zoneinfo->{$z}->{bridge_zone
} || die "internal error";
182 my $bridge = $zoneinfo->{$bridge_zone}->{bridge
} || die "internal error";
183 my $iftxt = "$bridge:$iface";
184 $out .= sprintf($format, $zid, $iftxt, '-', 'maclist', "# $z");
185 $macs .= sprintf($maclist_format, 'ACCEPT', $iface, $maclist->{$iface});
188 die "internal error";
192 $out .= sprintf("#LAST LINE - ADD YOUR ENTRIES ABOVE THIS ONE - DO NOT REMOVE\n");
194 PVE
::Tools
::file_set_contents
("$targetdir/interfaces", $out);
197 PVE
::Tools
::file_set_contents
("$targetdir/maclist", $macs);
201 $format = "%-15s %-15s %-15s %s\n";
202 $out = sprintf($format, '#SOURCE', 'DEST', 'POLICY', 'LOG');
203 #$out .= sprintf($format, 'fw', 'all', 'ACCEPT', '');
204 $out .= sprintf($format, 'all', 'all', 'REJECT', 'info');
206 PVE
::Tools
::file_set_contents
("$targetdir/policy", $out);
211 $out = sprintf($rule_format, '#ACTION', 'SOURCE', 'DEST', 'PROTO', 'DPORT', 'SPORT');
212 foreach my $vmid (sort keys %$rules) {
213 if (my $inrules = $rules->{$vmid}->{in}) {
214 foreach my $rule (@$inrules) {
215 foreach my $netid (keys %{$netinfo->{$vmid}}) {
216 my $net = $netinfo->{$vmid}->{$netid};
217 next if !($rule->{iface
} eq 'any' || $rule->{iface
} eq $netid);
218 $out .= &$generate_input_rule($zoneinfo, $rule, $net, $netid);
223 if (my $outrules = $rules->{$vmid}->{out
}) {
224 foreach my $rule (@$outrules) {
225 foreach my $netid (keys %{$netinfo->{$vmid}}) {
226 my $net = $netinfo->{$vmid}->{$netid};
227 next if !($rule->{iface
} eq 'any' || $rule->{iface
} eq $netid);
228 $out .= &$generate_output_rule($zoneinfo, $rule, $net, $netid);
234 PVE
::Tools
::file_set_contents
("$targetdir/rules", $out);