]>
git.proxmox.com Git - pve-firewall.git/blob - PVE/Firewall.pm
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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) = @_;
49 fw
=> { type
=> 'firewall' },
54 $register_bridge = sub {
55 my ($bridge, $vlan) = @_;
57 my $zone = 'z' . $bridge;
59 return $zone if $zoneinfo->{$zone};
61 $zoneinfo->{$zone} = {
66 return &$register_bridge("${bridge}v${vlan}") if defined($vlan);
71 my $register_bridge_port = sub {
72 my ($bridge, $vlan, $vmzone, $tap) = @_;
74 my $bridge_zone = &$register_bridge($bridge, $vlan);
75 my $zone = $bridge_zone . $vmzone;
77 if (!$zoneinfo->{$zone}) {
78 $zoneinfo->{$zone} = {
80 bridge_zone
=> $bridge_zone,
85 $zoneinfo->{$zone}->{ifaces
}->{$tap} = 1;
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 $opt !~ m/^net(\d+)$/;
96 my $net = PVE
::QemuServer
::parse_net
($conf->{$opt});
98 die "implement me" if !$net->{bridge
};
100 my $vmzone = $conf->{zone
} || "vm$vmid";
101 $net->{tap
} = "tap${vmid}i${netnum}";
102 $net->{zone
} = &$register_bridge_port($net->{bridge
}, $net->{tag
}, $vmzone, $net->{tap
});
103 $netinfo->{$vmid}->{$opt} = $net;
107 #print Dumper($netinfo);
109 # NOTE: zone names have length limit, so we need to
110 # translate them into shorter names
113 my $zonemap = { fw
=> 'fw' };
115 my $lookup_zonename = sub {
118 return $zonemap->{$zone} if defined($zonemap->{$zone});
119 $zonemap->{$zone} = 'z' . $zoneid++;
121 return $zonemap->{$zone};
124 foreach my $z (sort keys %$zoneinfo) {
125 $zoneinfo->{$z}->{id
} = &$lookup_zonename($z);
132 my $format = "%-15s %-10s %-15s %s\n";
133 $out = sprintf($format, '#ZONE', 'TYPE', 'OPTIONS', '');
135 foreach my $z (sort keys %$zoneinfo) {
136 my $zid = $zoneinfo->{$z}->{id
};
137 if ($zoneinfo->{$z}->{type
} eq 'firewall') {
138 $out .= sprintf($format, $zid, $zoneinfo->{$z}->{type
}, '' , "# $z");
139 } elsif ($zoneinfo->{$z}->{type
} eq 'bridge') {
140 $out .= sprintf($format, $zid, 'ipv4', '', "# $z");
141 } elsif ($zoneinfo->{$z}->{type
} eq 'bport') {
142 my $bridge_zone = $zoneinfo->{$z}->{bridge_zone
} || die "internal error";
143 my $bzid = $zoneinfo->{$bridge_zone}->{id
} || die "internal error";
144 $out .= sprintf($format, "$zid:$bzid", 'bport', '', "# $z");
146 die "internal error";
150 $out .= sprintf("#LAST LINE - ADD YOUR ENTRIES ABOVE THIS ONE - DO NOT REMOVE\n");
152 PVE
::Tools
::file_set_contents
("$targetdir/zones", $out);
156 $format = "%-15s %-20s %-10s %-15s %s\n";
157 $out = sprintf($format, '#ZONE', 'INTERFACE', 'BROADCAST', 'OPTIONS', '');
159 foreach my $z (sort keys %$zoneinfo) {
160 my $zid = $zoneinfo->{$z}->{id
};
161 if ($zoneinfo->{$z}->{type
} eq 'firewall') {
163 } elsif ($zoneinfo->{$z}->{type
} eq 'bridge') {
164 my $bridge = $zoneinfo->{$z}->{bridge
} || die "internal error";
165 $out .= sprintf($format, $zid, $bridge, 'detect', 'bridge', "# $z");
167 } elsif ($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, '', '', "# $z");
176 die "internal error";
180 $out .= sprintf("#LAST LINE - ADD YOUR ENTRIES ABOVE THIS ONE - DO NOT REMOVE\n");
182 PVE
::Tools
::file_set_contents
("$targetdir/interfaces", $out);
186 $format = "%-15s %-15s %-15s %s\n";
187 $out = sprintf($format, '#SOURCE', 'DEST', 'POLICY', 'LOG');
188 $out .= sprintf($format, 'all', 'all', 'REJECT', 'info');
190 PVE
::Tools
::file_set_contents
("$targetdir/policy", $out);
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);
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, $netid);
218 PVE
::Tools
::file_set_contents
("$targetdir/rules", $out);