]>
Commit | Line | Data |
---|---|---|
b6360c3f DM |
1 | package PVE::Firewall; |
2 | ||
3 | use warnings; | |
4 | use strict; | |
5 | use Data::Dumper; | |
f789653a | 6 | use PVE::Tools; |
b6360c3f DM |
7 | use PVE::QemuServer; |
8 | ||
9aab3127 DM |
9 | my $macros; |
10 | sub get_shorewall_macros { | |
11 | ||
12 | return $macros if $macros; | |
13 | ||
14 | foreach my $path (</usr/share/shorewall/macro.*>) { | |
15 | if ($path =~ m|/macro\.(\S+)$|) { | |
16 | $macros->{$1} = 1; | |
17 | } | |
18 | } | |
19 | return $macros; | |
20 | } | |
21 | ||
dddd9413 DM |
22 | |
23 | my $rule_format = "%-15s %-15s %-15s %-15s %-15s %-15s\n"; | |
24 | ||
25 | my $generate_input_rule = sub { | |
26 | my ($zoneinfo, $rule, $net, $netid) = @_; | |
27 | ||
28 | die "not implemented" if $rule->{source} ne 'any'; | |
29 | die "not implemented" if $rule->{dest} ne 'any'; | |
30 | ||
31 | my $zone = $net->{zone} || die "internal error"; | |
32 | my $zid = $zoneinfo->{$zone}->{id} || die "internal error"; | |
33 | my $tap = $net->{tap} || die "internal error"; | |
9aab3127 DM |
34 | |
35 | my $action = $rule->{service} ? | |
36 | "$rule->{service}($rule->{action})" : $rule->{action}; | |
37 | ||
38 | return sprintf($rule_format, $action, $rule->{source}, "$zid:$tap", | |
dddd9413 DM |
39 | $rule->{proto} || '-', $rule->{dport} || '-', $rule->{sport} || '-'); |
40 | }; | |
41 | ||
42 | my $generate_output_rule = sub { | |
43 | my ($zoneinfo, $rule, $net, $netid) = @_; | |
44 | ||
45 | die "not implemented" if $rule->{source} ne 'any'; | |
46 | die "not implemented" if $rule->{dest} ne 'any'; | |
47 | ||
48 | my $zone = $net->{zone} || die "internal error"; | |
49 | my $zid = $zoneinfo->{$zone}->{id} || die "internal error"; | |
50 | my $tap = $net->{tap} || die "internal error"; | |
9aab3127 DM |
51 | |
52 | my $action = $rule->{service} ? | |
53 | "$rule->{service}($rule->{action})" : $rule->{action}; | |
dddd9413 | 54 | |
9aab3127 | 55 | return sprintf($rule_format, $action, "$zid:$tap", $rule->{dest}, |
dddd9413 DM |
56 | $rule->{proto} || '-', $rule->{dport} || '-', $rule->{sport} || '-'); |
57 | }; | |
58 | ||
b6360c3f DM |
59 | # we need complete VM configuration of all VMs (openvz/qemu) |
60 | # in vmdata | |
61 | ||
62 | sub compile { | |
dddd9413 | 63 | my ($targetdir, $vmdata, $rules) = @_; |
b6360c3f | 64 | |
80bfe1ff DM |
65 | # remove existing data ? |
66 | foreach my $file (qw(zones rules interfaces maclist policy)) { | |
67 | unlink "$targetdir/$file"; | |
68 | } | |
69 | ||
b6360c3f DM |
70 | my $netinfo; |
71 | ||
886aba9c DM |
72 | my $zoneinfo = { |
73 | fw => { type => 'firewall' }, | |
74 | }; | |
75 | ||
026a6466 DM |
76 | my $maclist = {}; |
77 | ||
35081236 DM |
78 | my $register_bridge; |
79 | ||
80 | $register_bridge = sub { | |
81 | my ($bridge, $vlan) = @_; | |
f789653a DM |
82 | |
83 | my $zone = 'z' . $bridge; | |
84 | ||
85 | return $zone if $zoneinfo->{$zone}; | |
86 | ||
87 | $zoneinfo->{$zone} = { | |
88 | type => 'bridge', | |
89 | bridge => $bridge, | |
90 | }; | |
35081236 DM |
91 | |
92 | return &$register_bridge("${bridge}v${vlan}") if defined($vlan); | |
93 | ||
94 | return $zone; | |
95 | }; | |
96 | ||
97 | my $register_bridge_port = sub { | |
98 | my ($bridge, $vlan, $vmzone, $tap) = @_; | |
99 | ||
100 | my $bridge_zone = &$register_bridge($bridge, $vlan); | |
101 | my $zone = $bridge_zone . $vmzone; | |
102 | ||
103 | if (!$zoneinfo->{$zone}) { | |
104 | $zoneinfo->{$zone} = { | |
105 | type => 'bport', | |
106 | bridge_zone => $bridge_zone, | |
107 | ifaces => {}, | |
108 | }; | |
109 | } | |
110 | ||
111 | $zoneinfo->{$zone}->{ifaces}->{$tap} = 1; | |
f789653a DM |
112 | |
113 | return $zone; | |
114 | }; | |
115 | ||
b6360c3f DM |
116 | foreach my $vmid (keys %{$vmdata->{qemu}}) { |
117 | $netinfo->{$vmid} = {}; | |
118 | my $conf = $vmdata->{qemu}->{$vmid}; | |
119 | foreach my $opt (keys %$conf) { | |
120 | next if $opt !~ m/^net(\d+)$/; | |
dddd9413 | 121 | my $netnum = $1; |
b6360c3f DM |
122 | my $net = PVE::QemuServer::parse_net($conf->{$opt}); |
123 | next if !$net; | |
886aba9c | 124 | die "implement me" if !$net->{bridge}; |
886aba9c | 125 | |
f789653a | 126 | my $vmzone = $conf->{zone} || "vm$vmid"; |
dddd9413 | 127 | $net->{tap} = "tap${vmid}i${netnum}"; |
026a6466 | 128 | $maclist->{$net->{tap}} = $net->{macaddr} || die "internal error"; |
dddd9413 DM |
129 | $net->{zone} = &$register_bridge_port($net->{bridge}, $net->{tag}, $vmzone, $net->{tap}); |
130 | $netinfo->{$vmid}->{$opt} = $net; | |
886aba9c DM |
131 | } |
132 | } | |
133 | ||
134 | #print Dumper($netinfo); | |
135 | ||
f789653a | 136 | # NOTE: zone names have length limit, so we need to |
886aba9c DM |
137 | # translate them into shorter names |
138 | ||
f789653a DM |
139 | my $zoneid = 0; |
140 | my $zonemap = { fw => 'fw' }; | |
141 | ||
142 | my $lookup_zonename = sub { | |
143 | my ($zone) = @_; | |
144 | ||
145 | return $zonemap->{$zone} if defined($zonemap->{$zone}); | |
146 | $zonemap->{$zone} = 'z' . $zoneid++; | |
147 | ||
148 | return $zonemap->{$zone}; | |
149 | }; | |
150 | ||
dddd9413 DM |
151 | foreach my $z (sort keys %$zoneinfo) { |
152 | $zoneinfo->{$z}->{id} = &$lookup_zonename($z); | |
153 | } | |
154 | ||
886aba9c DM |
155 | # dump zone file |
156 | ||
f789653a | 157 | my $out; |
886aba9c | 158 | |
f6846fbf DM |
159 | my $format = "%-15s %-10s %-15s %s\n"; |
160 | $out = sprintf($format, '#ZONE', 'TYPE', 'OPTIONS', ''); | |
f789653a | 161 | |
886aba9c | 162 | foreach my $z (sort keys %$zoneinfo) { |
dddd9413 | 163 | my $zid = $zoneinfo->{$z}->{id}; |
f789653a | 164 | if ($zoneinfo->{$z}->{type} eq 'firewall') { |
f6846fbf | 165 | $out .= sprintf($format, $zid, $zoneinfo->{$z}->{type}, '' , "# $z"); |
f789653a | 166 | } elsif ($zoneinfo->{$z}->{type} eq 'bridge') { |
f6846fbf | 167 | $out .= sprintf($format, $zid, 'ipv4', '', "# $z"); |
f789653a DM |
168 | } elsif ($zoneinfo->{$z}->{type} eq 'bport') { |
169 | my $bridge_zone = $zoneinfo->{$z}->{bridge_zone} || die "internal error"; | |
dddd9413 | 170 | my $bzid = $zoneinfo->{$bridge_zone}->{id} || die "internal error"; |
f6846fbf | 171 | $out .= sprintf($format, "$zid:$bzid", 'bport', '', "# $z"); |
f789653a DM |
172 | } else { |
173 | die "internal error"; | |
174 | } | |
886aba9c DM |
175 | } |
176 | ||
f789653a DM |
177 | $out .= sprintf("#LAST LINE - ADD YOUR ENTRIES ABOVE THIS ONE - DO NOT REMOVE\n"); |
178 | ||
179 | PVE::Tools::file_set_contents("$targetdir/zones", $out); | |
886aba9c | 180 | |
f789653a | 181 | # dump interfaces |
886aba9c | 182 | |
f6846fbf DM |
183 | $format = "%-15s %-20s %-10s %-15s %s\n"; |
184 | $out = sprintf($format, '#ZONE', 'INTERFACE', 'BROADCAST', 'OPTIONS', ''); | |
f789653a | 185 | |
026a6466 DM |
186 | my $maclist_format = "%-15s %-15s %-15s\n"; |
187 | my $macs = sprintf($maclist_format, '#DISPOSITION', 'INTERFACE', 'MACZONE'); | |
188 | ||
886aba9c | 189 | foreach my $z (sort keys %$zoneinfo) { |
dddd9413 | 190 | my $zid = $zoneinfo->{$z}->{id}; |
f789653a DM |
191 | if ($zoneinfo->{$z}->{type} eq 'firewall') { |
192 | # do nothing; | |
193 | } elsif ($zoneinfo->{$z}->{type} eq 'bridge') { | |
194 | my $bridge = $zoneinfo->{$z}->{bridge} || die "internal error"; | |
80bfe1ff | 195 | $out .= sprintf($format, $zid, $bridge, 'detect', 'bridge,optional', "# $z"); |
f789653a DM |
196 | |
197 | } elsif ($zoneinfo->{$z}->{type} eq 'bport') { | |
198 | my $ifaces = $zoneinfo->{$z}->{ifaces}; | |
199 | foreach my $iface (sort keys %$ifaces) { | |
200 | my $bridge_zone = $zoneinfo->{$z}->{bridge_zone} || die "internal error"; | |
201 | my $bridge = $zoneinfo->{$bridge_zone}->{bridge} || die "internal error"; | |
202 | my $iftxt = "$bridge:$iface"; | |
026a6466 DM |
203 | $out .= sprintf($format, $zid, $iftxt, '-', 'maclist', "# $z"); |
204 | $macs .= sprintf($maclist_format, 'ACCEPT', $iface, $maclist->{$iface}); | |
f789653a DM |
205 | } |
206 | } else { | |
207 | die "internal error"; | |
b6360c3f DM |
208 | } |
209 | } | |
210 | ||
f789653a DM |
211 | $out .= sprintf("#LAST LINE - ADD YOUR ENTRIES ABOVE THIS ONE - DO NOT REMOVE\n"); |
212 | ||
213 | PVE::Tools::file_set_contents("$targetdir/interfaces", $out); | |
214 | ||
026a6466 DM |
215 | # dump maclist |
216 | PVE::Tools::file_set_contents("$targetdir/maclist", $macs); | |
217 | ||
f789653a DM |
218 | # dump policy |
219 | ||
220 | $format = "%-15s %-15s %-15s %s\n"; | |
221 | $out = sprintf($format, '#SOURCE', 'DEST', 'POLICY', 'LOG'); | |
80bfe1ff | 222 | #$out .= sprintf($format, 'fw', 'all', 'ACCEPT', ''); |
f789653a | 223 | $out .= sprintf($format, 'all', 'all', 'REJECT', 'info'); |
886aba9c | 224 | |
f789653a | 225 | PVE::Tools::file_set_contents("$targetdir/policy", $out); |
886aba9c | 226 | |
dddd9413 DM |
227 | # dump rules |
228 | $out = ''; | |
229 | ||
230 | $out = sprintf($rule_format, '#ACTION', 'SOURCE', 'DEST', 'PROTO', 'DPORT', 'SPORT'); | |
231 | foreach my $vmid (sort keys %$rules) { | |
232 | if (my $inrules = $rules->{$vmid}->{in}) { | |
233 | foreach my $rule (@$inrules) { | |
234 | foreach my $netid (keys %{$netinfo->{$vmid}}) { | |
235 | my $net = $netinfo->{$vmid}->{$netid}; | |
236 | next if !($rule->{iface} eq 'any' || $rule->{iface} eq $netid); | |
237 | $out .= &$generate_input_rule($zoneinfo, $rule, $net, $netid); | |
238 | } | |
239 | } | |
240 | } | |
241 | ||
242 | if (my $outrules = $rules->{$vmid}->{out}) { | |
243 | foreach my $rule (@$outrules) { | |
244 | foreach my $netid (keys %{$netinfo->{$vmid}}) { | |
245 | my $net = $netinfo->{$vmid}->{$netid}; | |
246 | next if !($rule->{iface} eq 'any' || $rule->{iface} eq $netid); | |
247 | $out .= &$generate_output_rule($zoneinfo, $rule, $net, $netid); | |
248 | } | |
249 | } | |
250 | } | |
251 | } | |
252 | ||
253 | PVE::Tools::file_set_contents("$targetdir/rules", $out); | |
b6360c3f DM |
254 | |
255 | } | |
256 | ||
886aba9c | 257 | |
b6360c3f DM |
258 | sub activate { |
259 | ||
260 | } | |
261 | ||
262 | ||
263 | 1; |