Commit | Line | Data |
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b6360c3f DM |
1 | #!/usr/bin/perl -w |
2 | ||
3 | use strict; | |
4 | use lib qw(.); | |
5 | use PVE::Firewall; | |
f789653a | 6 | use File::Path; |
dddd9413 | 7 | use IO::File; |
80bfe1ff | 8 | use Data::Dumper; |
dddd9413 | 9 | |
80bfe1ff DM |
10 | use PVE::SafeSyslog; |
11 | use PVE::Cluster; | |
12 | use PVE::INotify; | |
13 | use PVE::RPCEnvironment; | |
14 | use PVE::QemuServer; | |
b6360c3f | 15 | |
80bfe1ff DM |
16 | use PVE::JSONSchema qw(get_standard_option); |
17 | ||
18 | use PVE::CLIHandler; | |
19 | ||
20 | use base qw(PVE::CLIHandler); | |
21 | ||
22 | $ENV{'PATH'} = '/sbin:/bin:/usr/sbin:/usr/bin'; | |
23 | ||
24 | initlog ('pvefw'); | |
25 | ||
26 | die "please run as root\n" if $> != 0; | |
27 | ||
28 | PVE::INotify::inotify_init(); | |
29 | ||
30 | my $rpcenv = PVE::RPCEnvironment->init('cli'); | |
31 | ||
32 | $rpcenv->init_request(); | |
33 | $rpcenv->set_language($ENV{LANG}); | |
34 | $rpcenv->set_user('root@pam'); | |
b6360c3f | 35 | |
dddd9413 DM |
36 | sub parse_fw_rules { |
37 | my ($filename, $fh) = @_; | |
38 | ||
39 | my $section; | |
40 | ||
41 | my $res = { in => [], out => [] }; | |
42 | ||
43 | while (defined(my $line = <$fh>)) { | |
44 | next if $line =~ m/^#/; | |
45 | next if $line =~ m/^\s*$/; | |
46 | ||
47 | if ($line =~ m/^\[(in|out)\]\s*$/i) { | |
48 | $section = lc($1); | |
49 | next; | |
50 | } | |
51 | next if !$section; | |
52 | ||
53 | my ($action, $iface, $source, $dest, $proto, $dport, $sport) = | |
54 | split(/\s+/, $line); | |
55 | ||
56 | if (!($action && $iface && $source && $dest)) { | |
57 | warn "skip incomplete line\n"; | |
58 | next; | |
59 | } | |
60 | ||
61 | if ($action !~ m/^(ACCEPT|DROP)$/) { | |
62 | warn "unknown action '$action'\n"; | |
80bfe1ff | 63 | # next; |
dddd9413 DM |
64 | } |
65 | ||
66 | if ($iface !~ m/^(all|net0|net1|net2|net3|net4|net5)$/) { | |
67 | warn "unknown interface '$iface'\n"; | |
68 | next; | |
69 | } | |
70 | ||
71 | if ($proto && $proto !~ m/^(icmp|tcp|udp)$/) { | |
72 | warn "unknown protokol '$proto'\n"; | |
73 | next; | |
74 | } | |
75 | ||
76 | if ($source !~ m/^(any)$/) { | |
77 | warn "unknown source '$source'\n"; | |
78 | next; | |
79 | } | |
80 | ||
81 | if ($dest !~ m/^(any)$/) { | |
82 | warn "unknown destination '$dest'\n"; | |
83 | next; | |
84 | } | |
85 | ||
86 | my $rule = { | |
87 | action => $action, | |
88 | iface => $iface, | |
89 | source => $source, | |
90 | dest => $dest, | |
91 | proto => $proto, | |
92 | dport => $dport, | |
93 | sport => $sport, | |
94 | }; | |
95 | ||
96 | push @{$res->{$section}}, $rule; | |
97 | } | |
98 | ||
99 | return $res; | |
100 | } | |
101 | ||
80bfe1ff DM |
102 | sub read_local_vm_config { |
103 | ||
104 | my $openvz = {}; | |
105 | ||
106 | my $qemu = {}; | |
f789653a | 107 | |
80bfe1ff | 108 | my $list = PVE::QemuServer::config_list(); |
dddd9413 | 109 | |
80bfe1ff DM |
110 | foreach my $vmid (keys %$list) { |
111 | my $cfspath = PVE::QemuServer::cfs_config_path($vmid); | |
112 | if (my $conf = PVE::Cluster::cfs_read_file($cfspath)) { | |
113 | $qemu->{$vmid} = $conf; | |
114 | } | |
115 | } | |
116 | ||
117 | my $vmdata = { openvz => $openvz, qemu => $qemu }; | |
118 | ||
119 | return $vmdata; | |
120 | }; | |
121 | ||
122 | sub read_vm_firewall_rules { | |
123 | my ($vmdata) = @_; | |
124 | ||
125 | my $rules = {}; | |
126 | foreach my $vmid (keys %{$vmdata->{qemu}}, keys %{$vmdata->{openvz}}) { | |
127 | my $filename = "/etc/pve/$vmid.fw"; | |
128 | my $fh = IO::File->new($filename, O_RDONLY); | |
129 | next if !$fh; | |
130 | ||
131 | $rules->{$vmid} = parse_fw_rules($filename, $fh); | |
132 | } | |
133 | ||
134 | return $rules; | |
dddd9413 DM |
135 | } |
136 | ||
80bfe1ff DM |
137 | __PACKAGE__->register_method ({ |
138 | name => 'compile', | |
139 | path => 'compile', | |
140 | method => 'POST', | |
141 | description => "Compile firewall rules.", | |
142 | parameters => { | |
143 | additionalProperties => 0, | |
144 | properties => {}, | |
145 | }, | |
146 | returns => { type => 'null' }, | |
147 | ||
148 | code => sub { | |
149 | my ($param) = @_; | |
150 | ||
151 | my $vmdata = read_local_vm_config(); | |
152 | my $rules = read_vm_firewall_rules(); | |
f789653a | 153 | |
80bfe1ff DM |
154 | # print Dumper($vmdata); |
155 | ||
156 | my $swdir = '/etc/shorewall'; | |
157 | mkdir $swdir; | |
158 | ||
159 | PVE::Firewall::compile($swdir, $vmdata, $rules); | |
160 | ||
161 | PVE::Tools::run_command(['shorewall', 'compile']); | |
162 | ||
163 | return undef; | |
164 | ||
165 | }}); | |
166 | ||
167 | __PACKAGE__->register_method ({ | |
168 | name => 'start', | |
169 | path => 'start', | |
170 | method => 'POST', | |
171 | description => "Start firewall.", | |
172 | parameters => { | |
173 | additionalProperties => 0, | |
174 | properties => {}, | |
175 | }, | |
176 | returns => { type => 'null' }, | |
177 | ||
178 | code => sub { | |
179 | my ($param) = @_; | |
180 | ||
181 | PVE::Tools::run_command(['shorewall', 'start']); | |
182 | ||
183 | return undef; | |
184 | }}); | |
185 | ||
186 | __PACKAGE__->register_method ({ | |
187 | name => 'stop', | |
188 | path => 'stop', | |
189 | method => 'POST', | |
190 | description => "Stop firewall.", | |
191 | parameters => { | |
192 | additionalProperties => 0, | |
193 | properties => {}, | |
194 | }, | |
195 | returns => { type => 'null' }, | |
196 | ||
197 | code => sub { | |
198 | my ($param) = @_; | |
199 | ||
200 | PVE::Tools::run_command(['shorewall', 'stop']); | |
201 | ||
202 | return undef; | |
203 | }}); | |
204 | ||
205 | __PACKAGE__->register_method ({ | |
206 | name => 'clear', | |
207 | path => 'clear', | |
208 | method => 'POST', | |
209 | description => "Clear will remove all rules installed by this script. The host is then unprotected.", | |
210 | parameters => { | |
211 | additionalProperties => 0, | |
212 | properties => {}, | |
213 | }, | |
214 | returns => { type => 'null' }, | |
215 | ||
216 | code => sub { | |
217 | my ($param) = @_; | |
218 | ||
219 | PVE::Tools::run_command(['shorewall', 'clear']); | |
220 | ||
221 | return undef; | |
222 | }}); | |
223 | ||
224 | my $nodename = PVE::INotify::nodename(); | |
225 | ||
226 | my $cmddef = { | |
227 | compile => [ __PACKAGE__, 'compile', []], | |
228 | start => [ __PACKAGE__, 'start', []], | |
229 | stop => [ __PACKAGE__, 'stop', []], | |
230 | clear => [ __PACKAGE__, 'clear', []], | |
231 | }; | |
232 | ||
233 | my $cmd = shift; | |
234 | ||
235 | PVE::CLIHandler::handle_cmd($cmddef, "pvefw", $cmd, \@ARGV, undef, $0); | |
b6360c3f DM |
236 | |
237 | exit(0); | |
80bfe1ff | 238 |