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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 | ||
49124851 DM |
40 | $SIG{'__WARN__'} = sub { |
41 | my $err = $@; | |
42 | my $t = $_[0]; | |
43 | chomp $t; | |
44 | add_trace("$t\n"); | |
45 | $@ = $err; | |
46 | }; | |
47 | ||
63e8c70e DM |
48 | sub nf_dev_match { |
49 | my ($devre, $dev) = @_; | |
50 | ||
51 | $devre =~ s/\+$/\.\*/; | |
52 | return ($dev =~ m/^${devre}$/) ? 1 : 0; | |
53 | } | |
54 | ||
55 | sub ipset_match { | |
56 | my ($ipsetname, $ipset, $ipaddr) = @_; | |
57 | ||
58 | my $ip = Net::IP->new($ipaddr); | |
59 | ||
60 | foreach my $entry (@$ipset) { | |
61 | next if $entry =~ m/^create/; # simply ignore | |
62 | if ($entry =~ m/add \S+ (\S+)$/) { | |
63 | my $test = Net::IP->new($1); | |
64 | if ($test->overlaps($ip)) { | |
65 | add_trace("IPSET $ipsetname match $ipaddr\n"); | |
66 | return 1; | |
67 | } | |
68 | } else { | |
69 | die "implement me"; | |
70 | } | |
71 | } | |
72 | ||
73 | return 0; | |
74 | } | |
75 | ||
76 | sub rule_match { | |
77 | my ($ipset_ruleset, $chain, $rule, $pkg) = @_; | |
78 | ||
79 | $rule =~ s/^-A $chain // || die "got strange rule: $rule"; | |
80 | ||
81 | while (length($rule)) { | |
82 | ||
83 | if ($rule =~ s/^-m conntrack --ctstate (\S+)\s*//) { | |
84 | my $cstate = $1; | |
85 | ||
86 | return undef if $cstate eq 'INVALID'; # no match | |
87 | return undef if $cstate eq 'RELATED,ESTABLISHED'; # no match | |
88 | ||
89 | next if $cstate =~ m/NEW/; | |
90 | ||
e76a9f53 | 91 | die "cstate test '$cstate' not implemented\n"; |
63e8c70e DM |
92 | } |
93 | ||
94 | if ($rule =~ s/^-m addrtype --src-type (\S+)\s*//) { | |
95 | my $atype = $1; | |
e76a9f53 DM |
96 | die "missing source address type (srctype)\n" |
97 | if !$pkg->{srctype}; | |
63e8c70e DM |
98 | return undef if $atype ne $pkg->{srctype}; |
99 | } | |
100 | ||
101 | if ($rule =~ s/^-m addrtype --dst-type (\S+)\s*//) { | |
102 | my $atype = $1; | |
e76a9f53 DM |
103 | die "missing destination address type (dsttype)\n" |
104 | if !$pkg->{dsttype}; | |
63e8c70e DM |
105 | return undef if $atype ne $pkg->{dsttype}; |
106 | } | |
107 | ||
108 | if ($rule =~ s/^-i (\S+)\s*//) { | |
109 | my $devre = $1; | |
e76a9f53 | 110 | die "missing interface (iface_in)\n" if !$pkg->{iface_in}; |
63e8c70e DM |
111 | return undef if !nf_dev_match($devre, $pkg->{iface_in}); |
112 | next; | |
113 | } | |
114 | ||
115 | if ($rule =~ s/^-o (\S+)\s*//) { | |
116 | my $devre = $1; | |
e76a9f53 | 117 | die "missing interface (iface_out)\n" if !$pkg->{iface_out}; |
63e8c70e DM |
118 | return undef if !nf_dev_match($devre, $pkg->{iface_out}); |
119 | next; | |
120 | } | |
121 | ||
cc8dc02f | 122 | if ($rule =~ s/^-p (tcp|udp|igmp|icmp)\s*//) { |
63e8c70e DM |
123 | die "missing proto" if !$pkg->{proto}; |
124 | return undef if $pkg->{proto} ne $1; # no match | |
125 | next; | |
126 | } | |
127 | ||
128 | if ($rule =~ s/^--dport (\d+):(\d+)\s*//) { | |
129 | die "missing dport" if !$pkg->{dport}; | |
130 | return undef if ($pkg->{dport} < $1) || ($pkg->{dport} > $2); # no match | |
131 | next; | |
132 | } | |
133 | ||
134 | if ($rule =~ s/^--dport (\d+)\s*//) { | |
135 | die "missing dport" if !$pkg->{dport}; | |
136 | return undef if $pkg->{dport} != $1; # no match | |
137 | next; | |
138 | } | |
139 | ||
140 | if ($rule =~ s/^-s (\S+)\s*//) { | |
141 | die "missing source" if !$pkg->{source}; | |
142 | my $ip = Net::IP->new($1); | |
143 | return undef if !$ip->overlaps(Net::IP->new($pkg->{source})); # no match | |
144 | next; | |
145 | } | |
146 | ||
147 | if ($rule =~ s/^-d (\S+)\s*//) { | |
148 | die "missing destination" if !$pkg->{dest}; | |
149 | my $ip = Net::IP->new($1); | |
150 | return undef if !$ip->overlaps(Net::IP->new($pkg->{dest})); # no match | |
151 | next; | |
152 | } | |
153 | ||
154 | if ($rule =~ s/^-m set --match-set (\S+) src\s*//) { | |
155 | die "missing source" if !$pkg->{source}; | |
156 | my $ipset = $ipset_ruleset->{$1}; | |
157 | die "no such ip set '$1'" if !$ipset; | |
158 | return undef if !ipset_match($1, $ipset, $pkg->{source}); | |
159 | next; | |
160 | } | |
161 | ||
162 | if ($rule =~ s/^-m set --match-set (\S+) dst\s*//) { | |
163 | die "missing destination" if !$pkg->{dest}; | |
164 | my $ipset = $ipset_ruleset->{$1}; | |
165 | die "no such ip set '$1'" if !$ipset; | |
166 | return undef if !ipset_match($1, $ipset, $pkg->{dest}); | |
167 | next; | |
168 | } | |
169 | ||
170 | if ($rule =~ s/^-m mac ! --mac-source (\S+)\s*//) { | |
171 | die "missing source mac" if !$pkg->{mac_source}; | |
172 | return undef if $pkg->{mac_source} eq $1; # no match | |
173 | next; | |
174 | } | |
175 | ||
176 | if ($rule =~ s/^-m physdev --physdev-is-bridged --physdev-in (\S+)\s*//) { | |
177 | my $devre = $1; | |
178 | return undef if !$pkg->{physdev_in}; | |
179 | return undef if !nf_dev_match($devre, $pkg->{physdev_in}); | |
180 | next; | |
181 | } | |
182 | ||
183 | if ($rule =~ s/^-m physdev --physdev-is-bridged --physdev-out (\S+)\s*//) { | |
184 | my $devre = $1; | |
185 | return undef if !$pkg->{physdev_out}; | |
186 | return undef if !nf_dev_match($devre, $pkg->{physdev_out}); | |
187 | next; | |
188 | } | |
189 | ||
190 | if ($rule =~ s/^-m mark --mark (\d+)\s*//) { | |
191 | return undef if !defined($mark) || $mark != $1; | |
192 | next; | |
193 | } | |
194 | ||
195 | # final actions | |
196 | ||
197 | if ($rule =~ s/^-j MARK --set-mark (\d+)\s*$//) { | |
198 | $mark = $1; | |
199 | return undef; | |
200 | } | |
201 | ||
202 | if ($rule =~ s/^-j (\S+)\s*$//) { | |
203 | return (0, $1); | |
204 | } | |
205 | ||
206 | if ($rule =~ s/^-g (\S+)\s*$//) { | |
207 | return (1, $1); | |
208 | } | |
209 | ||
210 | if ($rule =~ s/^-j NFLOG --nflog-prefix \"[^\"]+\"$//) { | |
211 | return undef; | |
212 | } | |
213 | ||
214 | last; | |
215 | } | |
216 | ||
217 | die "unable to parse rule: $rule"; | |
218 | } | |
219 | ||
220 | sub ruleset_simulate_chain { | |
221 | my ($ruleset, $ipset_ruleset, $chain, $pkg) = @_; | |
222 | ||
223 | add_trace("ENTER chain $chain\n"); | |
224 | ||
225 | my $counter = 0; | |
226 | ||
227 | if ($chain eq 'PVEFW-Drop') { | |
228 | add_trace("LEAVE chain $chain\n"); | |
229 | return ('DROP', $counter); | |
230 | } | |
231 | if ($chain eq 'PVEFW-reject') { | |
232 | add_trace("LEAVE chain $chain\n"); | |
233 | return ('REJECT', $counter); | |
234 | } | |
235 | ||
236 | if ($chain eq 'PVEFW-tcpflags') { | |
237 | add_trace("LEAVE chain $chain\n"); | |
238 | return (undef, $counter); | |
239 | } | |
240 | ||
241 | my $rules = $ruleset->{$chain} || | |
242 | die "no such chain '$chain'"; | |
243 | ||
244 | foreach my $rule (@$rules) { | |
245 | $counter++; | |
246 | my ($goto, $action) = rule_match($ipset_ruleset, $chain, $rule, $pkg); | |
247 | if (!defined($action)) { | |
248 | add_trace("SKIP: $rule\n"); | |
249 | next; | |
250 | } | |
251 | add_trace("MATCH: $rule\n"); | |
252 | ||
253 | if ($action eq 'ACCEPT' || $action eq 'DROP' || $action eq 'REJECT') { | |
254 | add_trace("TERMINATE chain $chain: $action\n"); | |
255 | return ($action, $counter); | |
256 | } elsif ($action eq 'RETURN') { | |
257 | add_trace("RETURN FROM chain $chain\n"); | |
258 | last; | |
259 | } else { | |
260 | if ($goto) { | |
261 | add_trace("LEAVE chain $chain - goto $action\n"); | |
262 | return ruleset_simulate_chain($ruleset, $ipset_ruleset, $action, $pkg) | |
263 | #$chain = $action; | |
264 | #$rules = $ruleset->{$chain} || die "no such chain '$chain'"; | |
265 | } else { | |
266 | my ($act, $ctr) = ruleset_simulate_chain($ruleset, $ipset_ruleset, $action, $pkg); | |
267 | $counter += $ctr; | |
268 | return ($act, $counter) if $act; | |
269 | add_trace("CONTINUE chain $chain\n"); | |
270 | } | |
271 | } | |
272 | } | |
273 | ||
274 | add_trace("LEAVE chain $chain\n"); | |
275 | if ($chain =~ m/^PVEFW-(INPUT|OUTPUT|FORWARD)$/) { | |
276 | return ('ACCEPT', $counter); # default policy | |
277 | } | |
278 | ||
279 | return (undef, $counter); | |
280 | } | |
281 | ||
282 | sub copy_packet { | |
283 | my ($pkg) = @_; | |
284 | ||
285 | my $res = {}; | |
286 | ||
287 | while (my ($k,$v) = each %$pkg) { | |
288 | $res->{$k} = $v; | |
289 | } | |
290 | ||
291 | return $res; | |
292 | } | |
293 | ||
294 | # Try to simulate packet traversal inside kernel. This invokes iptable | |
295 | # checks several times. | |
296 | sub route_packet { | |
297 | my ($ruleset, $ipset_ruleset, $pkg, $from_info, $target, $start_state) = @_; | |
298 | ||
299 | my $route_state = $start_state; | |
300 | ||
301 | my $physdev_in; | |
302 | ||
303 | my $ipt_invocation_counter = 0; | |
304 | my $rule_check_counter = 0; | |
305 | ||
306 | while ($route_state ne $target->{iface}) { | |
307 | ||
308 | my $chain; | |
309 | my $next_route_state; | |
310 | my $next_physdev_in; | |
311 | ||
312 | $pkg->{iface_in} = $pkg->{iface_out} = undef; | |
313 | $pkg->{physdev_in} = $pkg->{physdev_out} = undef; | |
314 | ||
315 | if ($route_state eq 'from-bport') { | |
316 | $next_route_state = $from_info->{bridge} || die 'internal error'; | |
317 | $next_physdev_in = $from_info->{iface} || die 'internal error'; | |
318 | } elsif ($route_state eq 'host') { | |
319 | ||
320 | if ($target->{type} eq 'bport') { | |
321 | $pkg->{iface_in} = 'lo'; | |
322 | $pkg->{iface_out} = $target->{bridge} || die 'internal error'; | |
323 | $chain = 'PVEFW-OUTPUT'; | |
324 | $next_route_state = $target->{iface} || die 'internal error'; | |
325 | } elsif ($target->{type} eq 'ct') { | |
326 | $pkg->{iface_in} = 'lo'; | |
327 | $pkg->{iface_out} = 'venet0'; | |
328 | $chain = 'PVEFW-OUTPUT'; | |
329 | $next_route_state = 'venet-in'; | |
330 | } elsif ($target->{type} eq 'vm') { | |
331 | $pkg->{iface_in} = 'lo'; | |
332 | $pkg->{iface_out} = $target->{bridge} || die 'internal error'; | |
333 | $chain = 'PVEFW-OUTPUT'; | |
334 | $next_route_state = 'fwbr-in'; | |
335 | } else { | |
336 | die "implement me"; | |
337 | } | |
338 | ||
339 | } elsif ($route_state eq 'venet-out') { | |
340 | ||
341 | if ($target->{type} eq 'host') { | |
342 | ||
343 | $chain = 'PVEFW-INPUT'; | |
344 | $pkg->{iface_in} = 'venet0'; | |
345 | $pkg->{iface_out} = 'lo'; | |
346 | $next_route_state = 'host'; | |
347 | ||
348 | } elsif ($target->{type} eq 'bport') { | |
349 | ||
350 | $chain = 'PVEFW-FORWARD'; | |
351 | $pkg->{iface_in} = 'venet0'; | |
352 | $pkg->{iface_out} = $target->{bridge} || die 'internal error'; | |
353 | $next_route_state = $target->{iface} || die 'internal error'; | |
354 | ||
355 | } elsif ($target->{type} eq 'vm') { | |
356 | ||
357 | $chain = 'PVEFW-FORWARD'; | |
358 | $pkg->{iface_in} = 'venet0'; | |
359 | $pkg->{iface_out} = $target->{bridge} || die 'internal error'; | |
360 | $next_route_state = 'fwbr-in'; | |
361 | ||
362 | } elsif ($target->{type} eq 'ct') { | |
363 | ||
364 | $chain = 'PVEFW-FORWARD'; | |
365 | $pkg->{iface_in} = 'venet0'; | |
366 | $pkg->{iface_out} = 'venet0'; | |
367 | $next_route_state = 'venet-in'; | |
368 | ||
369 | } else { | |
370 | die "implement me"; | |
371 | } | |
372 | ||
373 | } elsif ($route_state eq 'fwbr-out') { | |
374 | ||
375 | $chain = 'PVEFW-FORWARD'; | |
376 | $next_route_state = $from_info->{bridge} || die 'internal error'; | |
377 | $next_physdev_in = $from_info->{fwpr} || die 'internal error'; | |
378 | $pkg->{iface_in} = $from_info->{fwbr} || die 'internal error'; | |
379 | $pkg->{iface_out} = $from_info->{fwbr} || die 'internal error'; | |
380 | $pkg->{physdev_in} = $from_info->{tapdev} || die 'internal error'; | |
381 | $pkg->{physdev_out} = $from_info->{fwln} || die 'internal error'; | |
382 | ||
383 | } elsif ($route_state eq 'fwbr-in') { | |
384 | ||
385 | $chain = 'PVEFW-FORWARD'; | |
386 | $next_route_state = $target->{tapdev}; | |
387 | $pkg->{iface_in} = $target->{fwbr} || die 'internal error'; | |
388 | $pkg->{iface_out} = $target->{fwbr} || die 'internal error'; | |
389 | $pkg->{physdev_in} = $target->{fwln} || die 'internal error'; | |
390 | $pkg->{physdev_out} = $target->{tapdev} || die 'internal error'; | |
391 | ||
392 | } elsif ($route_state =~ m/^vmbr\d+$/) { | |
393 | ||
394 | die "missing physdev_in - internal error?" if !$physdev_in; | |
395 | $pkg->{physdev_in} = $physdev_in; | |
396 | ||
397 | if ($target->{type} eq 'host') { | |
398 | ||
399 | $chain = 'PVEFW-INPUT'; | |
400 | $pkg->{iface_in} = $route_state; | |
401 | $pkg->{iface_out} = 'lo'; | |
402 | $next_route_state = 'host'; | |
403 | ||
404 | } elsif ($target->{type} eq 'bport') { | |
405 | ||
406 | $chain = 'PVEFW-FORWARD'; | |
407 | $pkg->{iface_in} = $route_state; | |
408 | $pkg->{iface_out} = $target->{bridge} || die 'internal error'; | |
409 | # conditionally set physdev_out (same behavior as kernel) | |
410 | if ($route_state eq $target->{bridge}) { | |
411 | $pkg->{physdev_out} = $target->{iface} || die 'internal error'; | |
412 | } | |
413 | $next_route_state = $target->{iface}; | |
414 | ||
415 | } elsif ($target->{type} eq 'ct') { | |
416 | ||
417 | $chain = 'PVEFW-FORWARD'; | |
418 | $pkg->{iface_in} = $route_state; | |
419 | $pkg->{iface_out} = 'venet0'; | |
420 | $next_route_state = 'venet-in'; | |
421 | ||
422 | } elsif ($target->{type} eq 'vm') { | |
423 | ||
424 | $chain = 'PVEFW-FORWARD'; | |
425 | $pkg->{iface_in} = $route_state; | |
426 | $pkg->{iface_out} = $target->{bridge}; | |
427 | # conditionally set physdev_out (same behavior as kernel) | |
428 | if ($route_state eq $target->{bridge}) { | |
429 | $pkg->{physdev_out} = $target->{fwpr} || die 'internal error'; | |
430 | } | |
431 | $next_route_state = 'fwbr-in'; | |
432 | ||
433 | } else { | |
434 | die "implement me"; | |
435 | } | |
436 | ||
437 | } else { | |
438 | die "implement me $route_state"; | |
439 | } | |
440 | ||
441 | die "internal error" if !defined($next_route_state); | |
442 | ||
443 | if ($chain) { | |
444 | add_trace("IPT check at $route_state (chain $chain)\n"); | |
445 | add_trace(Dumper($pkg)); | |
446 | $ipt_invocation_counter++; | |
447 | my ($res, $ctr) = ruleset_simulate_chain($ruleset, $ipset_ruleset, $chain, $pkg); | |
448 | $rule_check_counter += $ctr; | |
449 | return ($res, $ipt_invocation_counter, $rule_check_counter) if $res ne 'ACCEPT'; | |
450 | } | |
451 | ||
452 | $route_state = $next_route_state; | |
453 | ||
454 | $physdev_in = $next_physdev_in; | |
455 | } | |
456 | ||
457 | return ('ACCEPT', $ipt_invocation_counter, $rule_check_counter); | |
458 | } | |
459 | ||
460 | sub extract_ct_info { | |
461 | my ($vmdata, $vmid) = @_; | |
462 | ||
463 | my $info = { type => 'ct', vmid => $vmid }; | |
464 | ||
465 | my $conf = $vmdata->{openvz}->{$vmid} || die "no such CT '$vmid'"; | |
466 | if ($conf->{ip_address}) { | |
467 | $info->{ip_address} = $conf->{ip_address}->{value}; | |
468 | } else { | |
469 | die "implement me"; | |
470 | } | |
471 | return $info; | |
472 | } | |
473 | ||
474 | sub extract_vm_info { | |
475 | my ($vmdata, $vmid) = @_; | |
476 | ||
477 | my $info = { type => 'vm', vmid => $vmid }; | |
478 | ||
479 | my $conf = $vmdata->{qemu}->{$vmid} || die "no such VM '$vmid'"; | |
480 | my $net = PVE::QemuServer::parse_net($conf->{net0}); | |
481 | $info->{macaddr} = $net->{macaddr} || die "unable to get mac address"; | |
482 | $info->{bridge} = $net->{bridge} || die "unable to get bridge"; | |
483 | $info->{fwbr} = "fwbr${vmid}i0"; | |
484 | $info->{tapdev} = "tap${vmid}i0"; | |
485 | $info->{fwln} = "fwln${vmid}i0"; | |
486 | $info->{fwpr} = "fwpr${vmid}p0"; | |
487 | ||
488 | return $info; | |
489 | } | |
490 | ||
491 | sub simulate_firewall { | |
492 | my ($ruleset, $ipset_ruleset, $host_ip, $vmdata, $test) = @_; | |
493 | ||
494 | my $from = $test->{from} || die "missing 'from' field"; | |
495 | my $to = $test->{to} || die "missing 'to' field"; | |
496 | my $action = $test->{action} || die "missing 'action'"; | |
497 | ||
498 | my $testid = $test->{id}; | |
499 | ||
500 | die "from/to needs to be different" if $from eq $to; | |
501 | ||
502 | my $pkg = { | |
503 | proto => 'tcp', | |
504 | sport => undef, | |
505 | dport => undef, | |
506 | source => undef, | |
507 | dest => undef, | |
508 | srctype => 'UNICAST', | |
509 | dsttype => 'UNICAST', | |
510 | }; | |
511 | ||
512 | while (my ($k,$v) = each %$test) { | |
513 | next if $k eq 'from'; | |
514 | next if $k eq 'to'; | |
515 | next if $k eq 'action'; | |
516 | next if $k eq 'id'; | |
517 | die "unknown attribute '$k'\n" if !exists($pkg->{$k}); | |
518 | $pkg->{$k} = $v; | |
519 | } | |
520 | ||
521 | my $from_info = {}; | |
522 | ||
523 | my $start_state; | |
524 | ||
525 | if ($from eq 'host') { | |
526 | $from_info->{type} = 'host'; | |
527 | $start_state = 'host'; | |
528 | $pkg->{source} = $host_ip if !defined($pkg->{source}); | |
529 | } elsif ($from =~ m|^(vmbr\d+)/(\S+)$|) { | |
530 | $from_info->{type} = 'bport'; | |
531 | $from_info->{bridge} = $1; | |
532 | $from_info->{iface} = $2; | |
533 | $start_state = 'from-bport'; | |
534 | } elsif ($from eq 'outside') { | |
535 | $from_info->{type} = 'bport'; | |
536 | $from_info->{bridge} = 'vmbr0'; | |
537 | $from_info->{iface} = 'eth0'; | |
538 | $start_state = 'from-bport'; | |
539 | } elsif ($from eq 'nfvm') { | |
540 | $from_info->{type} = 'bport'; | |
541 | $from_info->{bridge} = 'vmbr0'; | |
542 | $from_info->{iface} = 'tapXYZ'; | |
543 | $start_state = 'from-bport'; | |
544 | } elsif ($from =~ m/^ct(\d+)$/) { | |
545 | my $vmid = $1; | |
546 | $from_info = extract_ct_info($vmdata, $vmid); | |
547 | if ($from_info->{ip_address}) { | |
548 | $pkg->{source} = $from_info->{ip_address} if !defined($pkg->{source}); | |
549 | $start_state = 'venet-out'; | |
550 | } else { | |
551 | die "implement me"; | |
552 | } | |
553 | } elsif ($from =~ m/^vm(\d+)$/) { | |
554 | my $vmid = $1; | |
555 | $from_info = extract_vm_info($vmdata, $vmid); | |
556 | $start_state = 'fwbr-out'; | |
557 | $pkg->{mac_source} = $from_info->{macaddr}; | |
558 | } else { | |
559 | die "unable to parse \"from => '$from'\"\n"; | |
560 | } | |
561 | ||
562 | my $target; | |
563 | ||
564 | if ($to eq 'host') { | |
565 | $target->{type} = 'host'; | |
566 | $target->{iface} = 'host'; | |
567 | $pkg->{dest} = $host_ip if !defined($pkg->{dest}); | |
568 | } elsif ($to =~ m|^(vmbr\d+)/(\S+)$|) { | |
569 | $target->{type} = 'bport'; | |
570 | $target->{bridge} = $1; | |
571 | $target->{iface} = $2; | |
572 | } elsif ($to eq 'outside') { | |
573 | $target->{type} = 'bport'; | |
574 | $target->{bridge} = 'vmbr0'; | |
575 | $target->{iface} = 'eth0'; | |
576 | } elsif ($to eq 'nfvm') { | |
577 | $target->{type} = 'bport'; | |
578 | $target->{bridge} = 'vmbr0'; | |
579 | $target->{iface} = 'tapXYZ'; | |
580 | } elsif ($to =~ m/^ct(\d+)$/) { | |
581 | my $vmid = $1; | |
582 | $target = extract_ct_info($vmdata, $vmid); | |
583 | $target->{iface} = 'venet-in'; | |
584 | ||
585 | if ($target->{ip_address}) { | |
586 | $pkg->{dest} = $target->{ip_address}; | |
587 | } else { | |
588 | die "implement me"; | |
589 | } | |
590 | } elsif ($to =~ m/^vm(\d+)$/) { | |
591 | my $vmid = $1; | |
592 | $target = extract_vm_info($vmdata, $vmid); | |
593 | $target->{iface} = $target->{tapdev}; | |
594 | } else { | |
595 | die "unable to parse \"to => '$to'\"\n"; | |
596 | } | |
597 | ||
598 | $pkg->{source} = '100.100.1.2' if !defined($pkg->{source}); | |
599 | $pkg->{dest} = '100.200.3.4' if !defined($pkg->{dest}); | |
600 | ||
601 | my ($res, $ic, $rc) = route_packet($ruleset, $ipset_ruleset, $pkg, | |
602 | $from_info, $target, $start_state); | |
603 | ||
604 | add_trace("IPT statistics: invocation = $ic, checks = $rc\n"); | |
605 | ||
814de832 DM |
606 | return $res if $action eq 'QUERY'; |
607 | ||
63e8c70e DM |
608 | die "test failed ($res != $action)\n" if $action ne $res; |
609 | ||
610 | return undef; | |
611 | } | |
612 | ||
613 | 1; | |
614 |