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Commit | Line | Data |
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63e8c70e DM |
1 | package PVE::FirewallSimulator; |
2 | ||
3 | use strict; | |
4 | use warnings; | |
5 | use Data::Dumper; | |
6 | use PVE::Firewall; | |
7 | use File::Basename; | |
8 | use Net::IP; | |
9 | ||
10 | my $mark; | |
11 | my $trace; | |
12 | my $debug = 0; | |
13 | ||
14 | sub debug { | |
15 | my $new_value = shift; | |
16 | ||
17 | $debug = $new_value if defined($new_value); | |
18 | ||
19 | return $debug; | |
20 | } | |
21 | ||
22 | sub reset_trace { | |
23 | $trace = ''; | |
24 | } | |
25 | ||
26 | sub get_trace { | |
27 | return $trace; | |
28 | } | |
29 | ||
30 | sub add_trace { | |
31 | my ($text) = @_; | |
32 | ||
33 | if ($debug) { | |
34 | print $text; | |
35 | } else { | |
36 | $trace .= $text; | |
37 | } | |
38 | } | |
39 | ||
40 | sub nf_dev_match { | |
41 | my ($devre, $dev) = @_; | |
42 | ||
43 | $devre =~ s/\+$/\.\*/; | |
44 | return ($dev =~ m/^${devre}$/) ? 1 : 0; | |
45 | } | |
46 | ||
47 | sub ipset_match { | |
48 | my ($ipsetname, $ipset, $ipaddr) = @_; | |
49 | ||
50 | my $ip = Net::IP->new($ipaddr); | |
51 | ||
52 | foreach my $entry (@$ipset) { | |
53 | next if $entry =~ m/^create/; # simply ignore | |
54 | if ($entry =~ m/add \S+ (\S+)$/) { | |
55 | my $test = Net::IP->new($1); | |
56 | if ($test->overlaps($ip)) { | |
57 | add_trace("IPSET $ipsetname match $ipaddr\n"); | |
58 | return 1; | |
59 | } | |
60 | } else { | |
61 | die "implement me"; | |
62 | } | |
63 | } | |
64 | ||
65 | return 0; | |
66 | } | |
67 | ||
68 | sub rule_match { | |
69 | my ($ipset_ruleset, $chain, $rule, $pkg) = @_; | |
70 | ||
71 | $rule =~ s/^-A $chain // || die "got strange rule: $rule"; | |
72 | ||
73 | while (length($rule)) { | |
74 | ||
75 | if ($rule =~ s/^-m conntrack --ctstate (\S+)\s*//) { | |
76 | my $cstate = $1; | |
77 | ||
78 | return undef if $cstate eq 'INVALID'; # no match | |
79 | return undef if $cstate eq 'RELATED,ESTABLISHED'; # no match | |
80 | ||
81 | next if $cstate =~ m/NEW/; | |
82 | ||
83 | die "please implement cstate test '$cstate'"; | |
84 | } | |
85 | ||
86 | if ($rule =~ s/^-m addrtype --src-type (\S+)\s*//) { | |
87 | my $atype = $1; | |
88 | die "missing srctype" if !$pkg->{srctype}; | |
89 | return undef if $atype ne $pkg->{srctype}; | |
90 | } | |
91 | ||
92 | if ($rule =~ s/^-m addrtype --dst-type (\S+)\s*//) { | |
93 | my $atype = $1; | |
94 | die "missing dsttype" if !$pkg->{dsttype}; | |
95 | return undef if $atype ne $pkg->{dsttype}; | |
96 | } | |
97 | ||
98 | if ($rule =~ s/^-i (\S+)\s*//) { | |
99 | my $devre = $1; | |
100 | die "missing iface_in" if !$pkg->{iface_in}; | |
101 | return undef if !nf_dev_match($devre, $pkg->{iface_in}); | |
102 | next; | |
103 | } | |
104 | ||
105 | if ($rule =~ s/^-o (\S+)\s*//) { | |
106 | my $devre = $1; | |
107 | die "missing iface_out" if !$pkg->{iface_out}; | |
108 | return undef if !nf_dev_match($devre, $pkg->{iface_out}); | |
109 | next; | |
110 | } | |
111 | ||
112 | if ($rule =~ s/^-p (tcp|udp)\s*//) { | |
113 | die "missing proto" if !$pkg->{proto}; | |
114 | return undef if $pkg->{proto} ne $1; # no match | |
115 | next; | |
116 | } | |
117 | ||
118 | if ($rule =~ s/^--dport (\d+):(\d+)\s*//) { | |
119 | die "missing dport" if !$pkg->{dport}; | |
120 | return undef if ($pkg->{dport} < $1) || ($pkg->{dport} > $2); # no match | |
121 | next; | |
122 | } | |
123 | ||
124 | if ($rule =~ s/^--dport (\d+)\s*//) { | |
125 | die "missing dport" if !$pkg->{dport}; | |
126 | return undef if $pkg->{dport} != $1; # no match | |
127 | next; | |
128 | } | |
129 | ||
130 | if ($rule =~ s/^-s (\S+)\s*//) { | |
131 | die "missing source" if !$pkg->{source}; | |
132 | my $ip = Net::IP->new($1); | |
133 | return undef if !$ip->overlaps(Net::IP->new($pkg->{source})); # no match | |
134 | next; | |
135 | } | |
136 | ||
137 | if ($rule =~ s/^-d (\S+)\s*//) { | |
138 | die "missing destination" if !$pkg->{dest}; | |
139 | my $ip = Net::IP->new($1); | |
140 | return undef if !$ip->overlaps(Net::IP->new($pkg->{dest})); # no match | |
141 | next; | |
142 | } | |
143 | ||
144 | if ($rule =~ s/^-m set --match-set (\S+) src\s*//) { | |
145 | die "missing source" if !$pkg->{source}; | |
146 | my $ipset = $ipset_ruleset->{$1}; | |
147 | die "no such ip set '$1'" if !$ipset; | |
148 | return undef if !ipset_match($1, $ipset, $pkg->{source}); | |
149 | next; | |
150 | } | |
151 | ||
152 | if ($rule =~ s/^-m set --match-set (\S+) dst\s*//) { | |
153 | die "missing destination" if !$pkg->{dest}; | |
154 | my $ipset = $ipset_ruleset->{$1}; | |
155 | die "no such ip set '$1'" if !$ipset; | |
156 | return undef if !ipset_match($1, $ipset, $pkg->{dest}); | |
157 | next; | |
158 | } | |
159 | ||
160 | if ($rule =~ s/^-m mac ! --mac-source (\S+)\s*//) { | |
161 | die "missing source mac" if !$pkg->{mac_source}; | |
162 | return undef if $pkg->{mac_source} eq $1; # no match | |
163 | next; | |
164 | } | |
165 | ||
166 | if ($rule =~ s/^-m physdev --physdev-is-bridged --physdev-in (\S+)\s*//) { | |
167 | my $devre = $1; | |
168 | return undef if !$pkg->{physdev_in}; | |
169 | return undef if !nf_dev_match($devre, $pkg->{physdev_in}); | |
170 | next; | |
171 | } | |
172 | ||
173 | if ($rule =~ s/^-m physdev --physdev-is-bridged --physdev-out (\S+)\s*//) { | |
174 | my $devre = $1; | |
175 | return undef if !$pkg->{physdev_out}; | |
176 | return undef if !nf_dev_match($devre, $pkg->{physdev_out}); | |
177 | next; | |
178 | } | |
179 | ||
180 | if ($rule =~ s/^-m mark --mark (\d+)\s*//) { | |
181 | return undef if !defined($mark) || $mark != $1; | |
182 | next; | |
183 | } | |
184 | ||
185 | # final actions | |
186 | ||
187 | if ($rule =~ s/^-j MARK --set-mark (\d+)\s*$//) { | |
188 | $mark = $1; | |
189 | return undef; | |
190 | } | |
191 | ||
192 | if ($rule =~ s/^-j (\S+)\s*$//) { | |
193 | return (0, $1); | |
194 | } | |
195 | ||
196 | if ($rule =~ s/^-g (\S+)\s*$//) { | |
197 | return (1, $1); | |
198 | } | |
199 | ||
200 | if ($rule =~ s/^-j NFLOG --nflog-prefix \"[^\"]+\"$//) { | |
201 | return undef; | |
202 | } | |
203 | ||
204 | last; | |
205 | } | |
206 | ||
207 | die "unable to parse rule: $rule"; | |
208 | } | |
209 | ||
210 | sub ruleset_simulate_chain { | |
211 | my ($ruleset, $ipset_ruleset, $chain, $pkg) = @_; | |
212 | ||
213 | add_trace("ENTER chain $chain\n"); | |
214 | ||
215 | my $counter = 0; | |
216 | ||
217 | if ($chain eq 'PVEFW-Drop') { | |
218 | add_trace("LEAVE chain $chain\n"); | |
219 | return ('DROP', $counter); | |
220 | } | |
221 | if ($chain eq 'PVEFW-reject') { | |
222 | add_trace("LEAVE chain $chain\n"); | |
223 | return ('REJECT', $counter); | |
224 | } | |
225 | ||
226 | if ($chain eq 'PVEFW-tcpflags') { | |
227 | add_trace("LEAVE chain $chain\n"); | |
228 | return (undef, $counter); | |
229 | } | |
230 | ||
231 | my $rules = $ruleset->{$chain} || | |
232 | die "no such chain '$chain'"; | |
233 | ||
234 | foreach my $rule (@$rules) { | |
235 | $counter++; | |
236 | my ($goto, $action) = rule_match($ipset_ruleset, $chain, $rule, $pkg); | |
237 | if (!defined($action)) { | |
238 | add_trace("SKIP: $rule\n"); | |
239 | next; | |
240 | } | |
241 | add_trace("MATCH: $rule\n"); | |
242 | ||
243 | if ($action eq 'ACCEPT' || $action eq 'DROP' || $action eq 'REJECT') { | |
244 | add_trace("TERMINATE chain $chain: $action\n"); | |
245 | return ($action, $counter); | |
246 | } elsif ($action eq 'RETURN') { | |
247 | add_trace("RETURN FROM chain $chain\n"); | |
248 | last; | |
249 | } else { | |
250 | if ($goto) { | |
251 | add_trace("LEAVE chain $chain - goto $action\n"); | |
252 | return ruleset_simulate_chain($ruleset, $ipset_ruleset, $action, $pkg) | |
253 | #$chain = $action; | |
254 | #$rules = $ruleset->{$chain} || die "no such chain '$chain'"; | |
255 | } else { | |
256 | my ($act, $ctr) = ruleset_simulate_chain($ruleset, $ipset_ruleset, $action, $pkg); | |
257 | $counter += $ctr; | |
258 | return ($act, $counter) if $act; | |
259 | add_trace("CONTINUE chain $chain\n"); | |
260 | } | |
261 | } | |
262 | } | |
263 | ||
264 | add_trace("LEAVE chain $chain\n"); | |
265 | if ($chain =~ m/^PVEFW-(INPUT|OUTPUT|FORWARD)$/) { | |
266 | return ('ACCEPT', $counter); # default policy | |
267 | } | |
268 | ||
269 | return (undef, $counter); | |
270 | } | |
271 | ||
272 | sub copy_packet { | |
273 | my ($pkg) = @_; | |
274 | ||
275 | my $res = {}; | |
276 | ||
277 | while (my ($k,$v) = each %$pkg) { | |
278 | $res->{$k} = $v; | |
279 | } | |
280 | ||
281 | return $res; | |
282 | } | |
283 | ||
284 | # Try to simulate packet traversal inside kernel. This invokes iptable | |
285 | # checks several times. | |
286 | sub route_packet { | |
287 | my ($ruleset, $ipset_ruleset, $pkg, $from_info, $target, $start_state) = @_; | |
288 | ||
289 | my $route_state = $start_state; | |
290 | ||
291 | my $physdev_in; | |
292 | ||
293 | my $ipt_invocation_counter = 0; | |
294 | my $rule_check_counter = 0; | |
295 | ||
296 | while ($route_state ne $target->{iface}) { | |
297 | ||
298 | my $chain; | |
299 | my $next_route_state; | |
300 | my $next_physdev_in; | |
301 | ||
302 | $pkg->{iface_in} = $pkg->{iface_out} = undef; | |
303 | $pkg->{physdev_in} = $pkg->{physdev_out} = undef; | |
304 | ||
305 | if ($route_state eq 'from-bport') { | |
306 | $next_route_state = $from_info->{bridge} || die 'internal error'; | |
307 | $next_physdev_in = $from_info->{iface} || die 'internal error'; | |
308 | } elsif ($route_state eq 'host') { | |
309 | ||
310 | if ($target->{type} eq 'bport') { | |
311 | $pkg->{iface_in} = 'lo'; | |
312 | $pkg->{iface_out} = $target->{bridge} || die 'internal error'; | |
313 | $chain = 'PVEFW-OUTPUT'; | |
314 | $next_route_state = $target->{iface} || die 'internal error'; | |
315 | } elsif ($target->{type} eq 'ct') { | |
316 | $pkg->{iface_in} = 'lo'; | |
317 | $pkg->{iface_out} = 'venet0'; | |
318 | $chain = 'PVEFW-OUTPUT'; | |
319 | $next_route_state = 'venet-in'; | |
320 | } elsif ($target->{type} eq 'vm') { | |
321 | $pkg->{iface_in} = 'lo'; | |
322 | $pkg->{iface_out} = $target->{bridge} || die 'internal error'; | |
323 | $chain = 'PVEFW-OUTPUT'; | |
324 | $next_route_state = 'fwbr-in'; | |
325 | } else { | |
326 | die "implement me"; | |
327 | } | |
328 | ||
329 | } elsif ($route_state eq 'venet-out') { | |
330 | ||
331 | if ($target->{type} eq 'host') { | |
332 | ||
333 | $chain = 'PVEFW-INPUT'; | |
334 | $pkg->{iface_in} = 'venet0'; | |
335 | $pkg->{iface_out} = 'lo'; | |
336 | $next_route_state = 'host'; | |
337 | ||
338 | } elsif ($target->{type} eq 'bport') { | |
339 | ||
340 | $chain = 'PVEFW-FORWARD'; | |
341 | $pkg->{iface_in} = 'venet0'; | |
342 | $pkg->{iface_out} = $target->{bridge} || die 'internal error'; | |
343 | $next_route_state = $target->{iface} || die 'internal error'; | |
344 | ||
345 | } elsif ($target->{type} eq 'vm') { | |
346 | ||
347 | $chain = 'PVEFW-FORWARD'; | |
348 | $pkg->{iface_in} = 'venet0'; | |
349 | $pkg->{iface_out} = $target->{bridge} || die 'internal error'; | |
350 | $next_route_state = 'fwbr-in'; | |
351 | ||
352 | } elsif ($target->{type} eq 'ct') { | |
353 | ||
354 | $chain = 'PVEFW-FORWARD'; | |
355 | $pkg->{iface_in} = 'venet0'; | |
356 | $pkg->{iface_out} = 'venet0'; | |
357 | $next_route_state = 'venet-in'; | |
358 | ||
359 | } else { | |
360 | die "implement me"; | |
361 | } | |
362 | ||
363 | } elsif ($route_state eq 'fwbr-out') { | |
364 | ||
365 | $chain = 'PVEFW-FORWARD'; | |
366 | $next_route_state = $from_info->{bridge} || die 'internal error'; | |
367 | $next_physdev_in = $from_info->{fwpr} || die 'internal error'; | |
368 | $pkg->{iface_in} = $from_info->{fwbr} || die 'internal error'; | |
369 | $pkg->{iface_out} = $from_info->{fwbr} || die 'internal error'; | |
370 | $pkg->{physdev_in} = $from_info->{tapdev} || die 'internal error'; | |
371 | $pkg->{physdev_out} = $from_info->{fwln} || die 'internal error'; | |
372 | ||
373 | } elsif ($route_state eq 'fwbr-in') { | |
374 | ||
375 | $chain = 'PVEFW-FORWARD'; | |
376 | $next_route_state = $target->{tapdev}; | |
377 | $pkg->{iface_in} = $target->{fwbr} || die 'internal error'; | |
378 | $pkg->{iface_out} = $target->{fwbr} || die 'internal error'; | |
379 | $pkg->{physdev_in} = $target->{fwln} || die 'internal error'; | |
380 | $pkg->{physdev_out} = $target->{tapdev} || die 'internal error'; | |
381 | ||
382 | } elsif ($route_state =~ m/^vmbr\d+$/) { | |
383 | ||
384 | die "missing physdev_in - internal error?" if !$physdev_in; | |
385 | $pkg->{physdev_in} = $physdev_in; | |
386 | ||
387 | if ($target->{type} eq 'host') { | |
388 | ||
389 | $chain = 'PVEFW-INPUT'; | |
390 | $pkg->{iface_in} = $route_state; | |
391 | $pkg->{iface_out} = 'lo'; | |
392 | $next_route_state = 'host'; | |
393 | ||
394 | } elsif ($target->{type} eq 'bport') { | |
395 | ||
396 | $chain = 'PVEFW-FORWARD'; | |
397 | $pkg->{iface_in} = $route_state; | |
398 | $pkg->{iface_out} = $target->{bridge} || die 'internal error'; | |
399 | # conditionally set physdev_out (same behavior as kernel) | |
400 | if ($route_state eq $target->{bridge}) { | |
401 | $pkg->{physdev_out} = $target->{iface} || die 'internal error'; | |
402 | } | |
403 | $next_route_state = $target->{iface}; | |
404 | ||
405 | } elsif ($target->{type} eq 'ct') { | |
406 | ||
407 | $chain = 'PVEFW-FORWARD'; | |
408 | $pkg->{iface_in} = $route_state; | |
409 | $pkg->{iface_out} = 'venet0'; | |
410 | $next_route_state = 'venet-in'; | |
411 | ||
412 | } elsif ($target->{type} eq 'vm') { | |
413 | ||
414 | $chain = 'PVEFW-FORWARD'; | |
415 | $pkg->{iface_in} = $route_state; | |
416 | $pkg->{iface_out} = $target->{bridge}; | |
417 | # conditionally set physdev_out (same behavior as kernel) | |
418 | if ($route_state eq $target->{bridge}) { | |
419 | $pkg->{physdev_out} = $target->{fwpr} || die 'internal error'; | |
420 | } | |
421 | $next_route_state = 'fwbr-in'; | |
422 | ||
423 | } else { | |
424 | die "implement me"; | |
425 | } | |
426 | ||
427 | } else { | |
428 | die "implement me $route_state"; | |
429 | } | |
430 | ||
431 | die "internal error" if !defined($next_route_state); | |
432 | ||
433 | if ($chain) { | |
434 | add_trace("IPT check at $route_state (chain $chain)\n"); | |
435 | add_trace(Dumper($pkg)); | |
436 | $ipt_invocation_counter++; | |
437 | my ($res, $ctr) = ruleset_simulate_chain($ruleset, $ipset_ruleset, $chain, $pkg); | |
438 | $rule_check_counter += $ctr; | |
439 | return ($res, $ipt_invocation_counter, $rule_check_counter) if $res ne 'ACCEPT'; | |
440 | } | |
441 | ||
442 | $route_state = $next_route_state; | |
443 | ||
444 | $physdev_in = $next_physdev_in; | |
445 | } | |
446 | ||
447 | return ('ACCEPT', $ipt_invocation_counter, $rule_check_counter); | |
448 | } | |
449 | ||
450 | sub extract_ct_info { | |
451 | my ($vmdata, $vmid) = @_; | |
452 | ||
453 | my $info = { type => 'ct', vmid => $vmid }; | |
454 | ||
455 | my $conf = $vmdata->{openvz}->{$vmid} || die "no such CT '$vmid'"; | |
456 | if ($conf->{ip_address}) { | |
457 | $info->{ip_address} = $conf->{ip_address}->{value}; | |
458 | } else { | |
459 | die "implement me"; | |
460 | } | |
461 | return $info; | |
462 | } | |
463 | ||
464 | sub extract_vm_info { | |
465 | my ($vmdata, $vmid) = @_; | |
466 | ||
467 | my $info = { type => 'vm', vmid => $vmid }; | |
468 | ||
469 | my $conf = $vmdata->{qemu}->{$vmid} || die "no such VM '$vmid'"; | |
470 | my $net = PVE::QemuServer::parse_net($conf->{net0}); | |
471 | $info->{macaddr} = $net->{macaddr} || die "unable to get mac address"; | |
472 | $info->{bridge} = $net->{bridge} || die "unable to get bridge"; | |
473 | $info->{fwbr} = "fwbr${vmid}i0"; | |
474 | $info->{tapdev} = "tap${vmid}i0"; | |
475 | $info->{fwln} = "fwln${vmid}i0"; | |
476 | $info->{fwpr} = "fwpr${vmid}p0"; | |
477 | ||
478 | return $info; | |
479 | } | |
480 | ||
481 | sub simulate_firewall { | |
482 | my ($ruleset, $ipset_ruleset, $host_ip, $vmdata, $test) = @_; | |
483 | ||
484 | my $from = $test->{from} || die "missing 'from' field"; | |
485 | my $to = $test->{to} || die "missing 'to' field"; | |
486 | my $action = $test->{action} || die "missing 'action'"; | |
487 | ||
488 | my $testid = $test->{id}; | |
489 | ||
490 | die "from/to needs to be different" if $from eq $to; | |
491 | ||
492 | my $pkg = { | |
493 | proto => 'tcp', | |
494 | sport => undef, | |
495 | dport => undef, | |
496 | source => undef, | |
497 | dest => undef, | |
498 | srctype => 'UNICAST', | |
499 | dsttype => 'UNICAST', | |
500 | }; | |
501 | ||
502 | while (my ($k,$v) = each %$test) { | |
503 | next if $k eq 'from'; | |
504 | next if $k eq 'to'; | |
505 | next if $k eq 'action'; | |
506 | next if $k eq 'id'; | |
507 | die "unknown attribute '$k'\n" if !exists($pkg->{$k}); | |
508 | $pkg->{$k} = $v; | |
509 | } | |
510 | ||
511 | my $from_info = {}; | |
512 | ||
513 | my $start_state; | |
514 | ||
515 | if ($from eq 'host') { | |
516 | $from_info->{type} = 'host'; | |
517 | $start_state = 'host'; | |
518 | $pkg->{source} = $host_ip if !defined($pkg->{source}); | |
519 | } elsif ($from =~ m|^(vmbr\d+)/(\S+)$|) { | |
520 | $from_info->{type} = 'bport'; | |
521 | $from_info->{bridge} = $1; | |
522 | $from_info->{iface} = $2; | |
523 | $start_state = 'from-bport'; | |
524 | } elsif ($from eq 'outside') { | |
525 | $from_info->{type} = 'bport'; | |
526 | $from_info->{bridge} = 'vmbr0'; | |
527 | $from_info->{iface} = 'eth0'; | |
528 | $start_state = 'from-bport'; | |
529 | } elsif ($from eq 'nfvm') { | |
530 | $from_info->{type} = 'bport'; | |
531 | $from_info->{bridge} = 'vmbr0'; | |
532 | $from_info->{iface} = 'tapXYZ'; | |
533 | $start_state = 'from-bport'; | |
534 | } elsif ($from =~ m/^ct(\d+)$/) { | |
535 | my $vmid = $1; | |
536 | $from_info = extract_ct_info($vmdata, $vmid); | |
537 | if ($from_info->{ip_address}) { | |
538 | $pkg->{source} = $from_info->{ip_address} if !defined($pkg->{source}); | |
539 | $start_state = 'venet-out'; | |
540 | } else { | |
541 | die "implement me"; | |
542 | } | |
543 | } elsif ($from =~ m/^vm(\d+)$/) { | |
544 | my $vmid = $1; | |
545 | $from_info = extract_vm_info($vmdata, $vmid); | |
546 | $start_state = 'fwbr-out'; | |
547 | $pkg->{mac_source} = $from_info->{macaddr}; | |
548 | } else { | |
549 | die "unable to parse \"from => '$from'\"\n"; | |
550 | } | |
551 | ||
552 | my $target; | |
553 | ||
554 | if ($to eq 'host') { | |
555 | $target->{type} = 'host'; | |
556 | $target->{iface} = 'host'; | |
557 | $pkg->{dest} = $host_ip if !defined($pkg->{dest}); | |
558 | } elsif ($to =~ m|^(vmbr\d+)/(\S+)$|) { | |
559 | $target->{type} = 'bport'; | |
560 | $target->{bridge} = $1; | |
561 | $target->{iface} = $2; | |
562 | } elsif ($to eq 'outside') { | |
563 | $target->{type} = 'bport'; | |
564 | $target->{bridge} = 'vmbr0'; | |
565 | $target->{iface} = 'eth0'; | |
566 | } elsif ($to eq 'nfvm') { | |
567 | $target->{type} = 'bport'; | |
568 | $target->{bridge} = 'vmbr0'; | |
569 | $target->{iface} = 'tapXYZ'; | |
570 | } elsif ($to =~ m/^ct(\d+)$/) { | |
571 | my $vmid = $1; | |
572 | $target = extract_ct_info($vmdata, $vmid); | |
573 | $target->{iface} = 'venet-in'; | |
574 | ||
575 | if ($target->{ip_address}) { | |
576 | $pkg->{dest} = $target->{ip_address}; | |
577 | } else { | |
578 | die "implement me"; | |
579 | } | |
580 | } elsif ($to =~ m/^vm(\d+)$/) { | |
581 | my $vmid = $1; | |
582 | $target = extract_vm_info($vmdata, $vmid); | |
583 | $target->{iface} = $target->{tapdev}; | |
584 | } else { | |
585 | die "unable to parse \"to => '$to'\"\n"; | |
586 | } | |
587 | ||
588 | $pkg->{source} = '100.100.1.2' if !defined($pkg->{source}); | |
589 | $pkg->{dest} = '100.200.3.4' if !defined($pkg->{dest}); | |
590 | ||
591 | my ($res, $ic, $rc) = route_packet($ruleset, $ipset_ruleset, $pkg, | |
592 | $from_info, $target, $start_state); | |
593 | ||
594 | add_trace("IPT statistics: invocation = $ic, checks = $rc\n"); | |
595 | ||
814de832 DM |
596 | return $res if $action eq 'QUERY'; |
597 | ||
63e8c70e DM |
598 | die "test failed ($res != $action)\n" if $action ne $res; |
599 | ||
600 | return undef; | |
601 | } | |
602 | ||
603 | 1; | |
604 |