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