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Commit | Line | Data |
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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 DM |
45 | |
46 | my $netinfo; | |
47 | ||
886aba9c DM |
48 | my $zoneinfo = { |
49 | fw => { type => 'firewall' }, | |
50 | }; | |
51 | ||
35081236 DM |
52 | my $register_bridge; |
53 | ||
54 | $register_bridge = sub { | |
55 | my ($bridge, $vlan) = @_; | |
f789653a DM |
56 | |
57 | my $zone = 'z' . $bridge; | |
58 | ||
59 | return $zone if $zoneinfo->{$zone}; | |
60 | ||
61 | $zoneinfo->{$zone} = { | |
62 | type => 'bridge', | |
63 | bridge => $bridge, | |
64 | }; | |
35081236 DM |
65 | |
66 | return &$register_bridge("${bridge}v${vlan}") if defined($vlan); | |
67 | ||
68 | return $zone; | |
69 | }; | |
70 | ||
71 | my $register_bridge_port = sub { | |
72 | my ($bridge, $vlan, $vmzone, $tap) = @_; | |
73 | ||
74 | my $bridge_zone = &$register_bridge($bridge, $vlan); | |
75 | my $zone = $bridge_zone . $vmzone; | |
76 | ||
77 | if (!$zoneinfo->{$zone}) { | |
78 | $zoneinfo->{$zone} = { | |
79 | type => 'bport', | |
80 | bridge_zone => $bridge_zone, | |
81 | ifaces => {}, | |
82 | }; | |
83 | } | |
84 | ||
85 | $zoneinfo->{$zone}->{ifaces}->{$tap} = 1; | |
f789653a DM |
86 | |
87 | return $zone; | |
88 | }; | |
89 | ||
b6360c3f DM |
90 | foreach my $vmid (keys %{$vmdata->{qemu}}) { |
91 | $netinfo->{$vmid} = {}; | |
92 | my $conf = $vmdata->{qemu}->{$vmid}; | |
93 | foreach my $opt (keys %$conf) { | |
94 | next if $opt !~ m/^net(\d+)$/; | |
dddd9413 | 95 | my $netnum = $1; |
b6360c3f DM |
96 | my $net = PVE::QemuServer::parse_net($conf->{$opt}); |
97 | next if !$net; | |
886aba9c | 98 | die "implement me" if !$net->{bridge}; |
886aba9c | 99 | |
f789653a | 100 | my $vmzone = $conf->{zone} || "vm$vmid"; |
dddd9413 DM |
101 | $net->{tap} = "tap${vmid}i${netnum}"; |
102 | $net->{zone} = &$register_bridge_port($net->{bridge}, $net->{tag}, $vmzone, $net->{tap}); | |
103 | $netinfo->{$vmid}->{$opt} = $net; | |
886aba9c DM |
104 | } |
105 | } | |
106 | ||
107 | #print Dumper($netinfo); | |
108 | ||
f789653a | 109 | # NOTE: zone names have length limit, so we need to |
886aba9c DM |
110 | # translate them into shorter names |
111 | ||
f789653a DM |
112 | my $zoneid = 0; |
113 | my $zonemap = { fw => 'fw' }; | |
114 | ||
115 | my $lookup_zonename = sub { | |
116 | my ($zone) = @_; | |
117 | ||
118 | return $zonemap->{$zone} if defined($zonemap->{$zone}); | |
119 | $zonemap->{$zone} = 'z' . $zoneid++; | |
120 | ||
121 | return $zonemap->{$zone}; | |
122 | }; | |
123 | ||
dddd9413 DM |
124 | foreach my $z (sort keys %$zoneinfo) { |
125 | $zoneinfo->{$z}->{id} = &$lookup_zonename($z); | |
126 | } | |
127 | ||
886aba9c DM |
128 | # dump zone file |
129 | ||
f789653a | 130 | my $out; |
886aba9c | 131 | |
f789653a DM |
132 | my $format = "%-15s %-10s %s\n"; |
133 | $out = sprintf($format, '#ZONE', 'TYPE', 'OPTIONS'); | |
134 | ||
886aba9c | 135 | foreach my $z (sort keys %$zoneinfo) { |
dddd9413 | 136 | my $zid = $zoneinfo->{$z}->{id}; |
f789653a DM |
137 | if ($zoneinfo->{$z}->{type} eq 'firewall') { |
138 | $out .= sprintf($format, $zid, $zoneinfo->{$z}->{type}, ''); | |
139 | } elsif ($zoneinfo->{$z}->{type} eq 'bridge') { | |
dddd9413 | 140 | $out .= sprintf($format, $zid, 'ipv4', ''); |
f789653a DM |
141 | } elsif ($zoneinfo->{$z}->{type} eq 'bport') { |
142 | my $bridge_zone = $zoneinfo->{$z}->{bridge_zone} || die "internal error"; | |
dddd9413 | 143 | my $bzid = $zoneinfo->{$bridge_zone}->{id} || die "internal error"; |
f789653a DM |
144 | $out .= sprintf($format, "$zid:$bzid", 'bport', ''); |
145 | } else { | |
146 | die "internal error"; | |
147 | } | |
886aba9c DM |
148 | } |
149 | ||
f789653a DM |
150 | $out .= sprintf("#LAST LINE - ADD YOUR ENTRIES ABOVE THIS ONE - DO NOT REMOVE\n"); |
151 | ||
152 | PVE::Tools::file_set_contents("$targetdir/zones", $out); | |
886aba9c | 153 | |
f789653a | 154 | # dump interfaces |
886aba9c DM |
155 | |
156 | $format = "%-15s %-20s %-10s %s\n"; | |
f789653a DM |
157 | $out = sprintf($format, '#ZONE', 'INTERFACE', 'BROADCAST', 'OPTIONS'); |
158 | ||
886aba9c | 159 | foreach my $z (sort keys %$zoneinfo) { |
dddd9413 | 160 | my $zid = $zoneinfo->{$z}->{id}; |
f789653a DM |
161 | if ($zoneinfo->{$z}->{type} eq 'firewall') { |
162 | # do nothing; | |
163 | } elsif ($zoneinfo->{$z}->{type} eq 'bridge') { | |
164 | my $bridge = $zoneinfo->{$z}->{bridge} || die "internal error"; | |
165 | $out .= sprintf($format, $zid, $bridge, 'detect', 'bridge'); | |
166 | ||
167 | } elsif ($zoneinfo->{$z}->{type} eq 'bport') { | |
168 | my $ifaces = $zoneinfo->{$z}->{ifaces}; | |
169 | foreach my $iface (sort keys %$ifaces) { | |
170 | my $bridge_zone = $zoneinfo->{$z}->{bridge_zone} || die "internal error"; | |
171 | my $bridge = $zoneinfo->{$bridge_zone}->{bridge} || die "internal error"; | |
172 | my $iftxt = "$bridge:$iface"; | |
173 | $out .= sprintf($format, $zid, $iftxt, '', ''); | |
174 | } | |
175 | } else { | |
176 | die "internal error"; | |
b6360c3f DM |
177 | } |
178 | } | |
179 | ||
f789653a DM |
180 | $out .= sprintf("#LAST LINE - ADD YOUR ENTRIES ABOVE THIS ONE - DO NOT REMOVE\n"); |
181 | ||
182 | PVE::Tools::file_set_contents("$targetdir/interfaces", $out); | |
183 | ||
184 | # dump policy | |
185 | ||
186 | $format = "%-15s %-15s %-15s %s\n"; | |
187 | $out = sprintf($format, '#SOURCE', 'DEST', 'POLICY', 'LOG'); | |
188 | $out .= sprintf($format, 'all', 'all', 'REJECT', 'info'); | |
886aba9c | 189 | |
f789653a | 190 | PVE::Tools::file_set_contents("$targetdir/policy", $out); |
886aba9c | 191 | |
dddd9413 DM |
192 | # dump rules |
193 | $out = ''; | |
194 | ||
195 | $out = sprintf($rule_format, '#ACTION', 'SOURCE', 'DEST', 'PROTO', 'DPORT', 'SPORT'); | |
196 | foreach my $vmid (sort keys %$rules) { | |
197 | if (my $inrules = $rules->{$vmid}->{in}) { | |
198 | foreach my $rule (@$inrules) { | |
199 | foreach my $netid (keys %{$netinfo->{$vmid}}) { | |
200 | my $net = $netinfo->{$vmid}->{$netid}; | |
201 | next if !($rule->{iface} eq 'any' || $rule->{iface} eq $netid); | |
202 | $out .= &$generate_input_rule($zoneinfo, $rule, $net, $netid); | |
203 | } | |
204 | } | |
205 | } | |
206 | ||
207 | if (my $outrules = $rules->{$vmid}->{out}) { | |
208 | foreach my $rule (@$outrules) { | |
209 | foreach my $netid (keys %{$netinfo->{$vmid}}) { | |
210 | my $net = $netinfo->{$vmid}->{$netid}; | |
211 | next if !($rule->{iface} eq 'any' || $rule->{iface} eq $netid); | |
212 | $out .= &$generate_output_rule($zoneinfo, $rule, $net, $netid); | |
213 | } | |
214 | } | |
215 | } | |
216 | } | |
217 | ||
218 | PVE::Tools::file_set_contents("$targetdir/rules", $out); | |
b6360c3f DM |
219 | |
220 | } | |
221 | ||
886aba9c | 222 | |
b6360c3f DM |
223 | sub activate { |
224 | ||
225 | } | |
226 | ||
227 | ||
228 | 1; |