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Commit | Line | Data |
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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 | $SIG{'__WARN__'} = sub { | |
41 | my $err = $@; | |
42 | my $t = $_[0]; | |
43 | chomp $t; | |
44 | add_trace("$t\n"); | |
45 | $@ = $err; | |
46 | }; | |
47 | ||
48 | sub nf_dev_match { | |
49 | my ($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 $cstate =~ m/NEW/; | |
90 | ||
91 | die "cstate test '$cstate' not implemented\n"; | |
92 | } | |
93 | ||
94 | if ($rule =~ s/^-m addrtype --src-type (\S+)\s*//) { | |
95 | my $atype = $1; | |
96 | die "missing source address type (srctype)\n" | |
97 | if !$pkg->{srctype}; | |
98 | return undef if $atype ne $pkg->{srctype}; | |
99 | } | |
100 | ||
101 | if ($rule =~ s/^-m addrtype --dst-type (\S+)\s*//) { | |
102 | my $atype = $1; | |
103 | die "missing destination address type (dsttype)\n" | |
104 | if !$pkg->{dsttype}; | |
105 | return undef if $atype ne $pkg->{dsttype}; | |
106 | } | |
107 | ||
108 | if ($rule =~ s/^-i (\S+)\s*//) { | |
109 | my $devre = $1; | |
110 | die "missing interface (iface_in)\n" if !$pkg->{iface_in}; | |
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 = $1; | |
117 | die "missing interface (iface_out)\n" if !$pkg->{iface_out}; | |
118 | return undef if !nf_dev_match($devre, $pkg->{iface_out}); | |
119 | next; | |
120 | } | |
121 | ||
122 | if ($rule =~ s/^-p (tcp|udp|igmp|icmp)\s*//) { | |
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 (!\s+)?--match-set (\S+) src\s*//) { | |
155 | die "missing source" if !$pkg->{source}; | |
156 | my $neg = $1; | |
157 | my $ipset = $ipset_ruleset->{$2}; | |
158 | die "no such ip set '$2'" if !$ipset; | |
159 | if ($neg) { | |
160 | return undef if ipset_match($1, $ipset, $pkg->{source}); | |
161 | } else { | |
162 | return undef if !ipset_match($1, $ipset, $pkg->{source}); | |
163 | } | |
164 | next; | |
165 | } | |
166 | ||
167 | if ($rule =~ s/^-m set --match-set (\S+) dst\s*//) { | |
168 | die "missing destination" if !$pkg->{dest}; | |
169 | my $ipset = $ipset_ruleset->{$1}; | |
170 | die "no such ip set '$1'" if !$ipset; | |
171 | return undef if !ipset_match($1, $ipset, $pkg->{dest}); | |
172 | next; | |
173 | } | |
174 | ||
175 | if ($rule =~ s/^-m mac ! --mac-source (\S+)\s*//) { | |
176 | die "missing source mac" if !$pkg->{mac_source}; | |
177 | return undef if $pkg->{mac_source} eq $1; # no match | |
178 | next; | |
179 | } | |
180 | ||
181 | if ($rule =~ s/^-m physdev --physdev-is-bridged --physdev-in (\S+)\s*//) { | |
182 | my $devre = $1; | |
183 | return undef if !$pkg->{physdev_in}; | |
184 | return undef if !nf_dev_match($devre, $pkg->{physdev_in}); | |
185 | next; | |
186 | } | |
187 | ||
188 | if ($rule =~ s/^-m physdev --physdev-is-bridged --physdev-out (\S+)\s*//) { | |
189 | my $devre = $1; | |
190 | return undef if !$pkg->{physdev_out}; | |
191 | return undef if !nf_dev_match($devre, $pkg->{physdev_out}); | |
192 | next; | |
193 | } | |
194 | ||
195 | if ($rule =~ s/^-m mark --mark (\d+)\s*//) { | |
196 | return undef if !defined($mark) || $mark != $1; | |
197 | next; | |
198 | } | |
199 | ||
200 | # final actions | |
201 | ||
202 | if ($rule =~ s/^-j MARK --set-mark (\d+)\s*$//) { | |
203 | $mark = $1; | |
204 | return undef; | |
205 | } | |
206 | ||
207 | if ($rule =~ s/^-j (\S+)\s*$//) { | |
208 | return (0, $1); | |
209 | } | |
210 | ||
211 | if ($rule =~ s/^-g (\S+)\s*$//) { | |
212 | return (1, $1); | |
213 | } | |
214 | ||
215 | if ($rule =~ s/^-j NFLOG --nflog-prefix \"[^\"]+\"$//) { | |
216 | return undef; | |
217 | } | |
218 | ||
219 | last; | |
220 | } | |
221 | ||
222 | die "unable to parse rule: $rule"; | |
223 | } | |
224 | ||
225 | sub ruleset_simulate_chain { | |
226 | my ($ruleset, $ipset_ruleset, $chain, $pkg) = @_; | |
227 | ||
228 | add_trace("ENTER chain $chain\n"); | |
229 | ||
230 | my $counter = 0; | |
231 | ||
232 | if ($chain eq 'PVEFW-Drop') { | |
233 | add_trace("LEAVE chain $chain\n"); | |
234 | return ('DROP', $counter); | |
235 | } | |
236 | if ($chain eq 'PVEFW-reject') { | |
237 | add_trace("LEAVE chain $chain\n"); | |
238 | return ('REJECT', $counter); | |
239 | } | |
240 | ||
241 | if ($chain eq 'PVEFW-tcpflags') { | |
242 | add_trace("LEAVE chain $chain\n"); | |
243 | return (undef, $counter); | |
244 | } | |
245 | ||
246 | my $rules = $ruleset->{$chain} || | |
247 | die "no such chain '$chain'"; | |
248 | ||
249 | foreach my $rule (@$rules) { | |
250 | $counter++; | |
251 | my ($goto, $action) = rule_match($ipset_ruleset, $chain, $rule, $pkg); | |
252 | if (!defined($action)) { | |
253 | add_trace("SKIP: $rule\n"); | |
254 | next; | |
255 | } | |
256 | add_trace("MATCH: $rule\n"); | |
257 | ||
258 | if ($action eq 'ACCEPT' || $action eq 'DROP' || $action eq 'REJECT') { | |
259 | add_trace("TERMINATE chain $chain: $action\n"); | |
260 | return ($action, $counter); | |
261 | } elsif ($action eq 'RETURN') { | |
262 | add_trace("RETURN FROM chain $chain\n"); | |
263 | last; | |
264 | } else { | |
265 | if ($goto) { | |
266 | add_trace("LEAVE chain $chain - goto $action\n"); | |
267 | return ruleset_simulate_chain($ruleset, $ipset_ruleset, $action, $pkg) | |
268 | #$chain = $action; | |
269 | #$rules = $ruleset->{$chain} || die "no such chain '$chain'"; | |
270 | } else { | |
271 | my ($act, $ctr) = ruleset_simulate_chain($ruleset, $ipset_ruleset, $action, $pkg); | |
272 | $counter += $ctr; | |
273 | return ($act, $counter) if $act; | |
274 | add_trace("CONTINUE chain $chain\n"); | |
275 | } | |
276 | } | |
277 | } | |
278 | ||
279 | add_trace("LEAVE chain $chain\n"); | |
280 | if ($chain =~ m/^PVEFW-(INPUT|OUTPUT|FORWARD)$/) { | |
281 | return ('ACCEPT', $counter); # default policy | |
282 | } | |
283 | ||
284 | return (undef, $counter); | |
285 | } | |
286 | ||
287 | sub copy_packet { | |
288 | my ($pkg) = @_; | |
289 | ||
290 | my $res = {}; | |
291 | ||
292 | while (my ($k,$v) = each %$pkg) { | |
293 | $res->{$k} = $v; | |
294 | } | |
295 | ||
296 | return $res; | |
297 | } | |
298 | ||
299 | # Try to simulate packet traversal inside kernel. This invokes iptable | |
300 | # checks several times. | |
301 | sub route_packet { | |
302 | my ($ruleset, $ipset_ruleset, $pkg, $from_info, $target, $start_state) = @_; | |
303 | ||
304 | my $route_state = $start_state; | |
305 | ||
306 | my $physdev_in; | |
307 | ||
308 | my $ipt_invocation_counter = 0; | |
309 | my $rule_check_counter = 0; | |
310 | ||
311 | while ($route_state ne $target->{iface}) { | |
312 | ||
313 | my $chain; | |
314 | my $next_route_state; | |
315 | my $next_physdev_in; | |
316 | ||
317 | $pkg->{iface_in} = $pkg->{iface_out} = undef; | |
318 | $pkg->{physdev_in} = $pkg->{physdev_out} = undef; | |
319 | ||
320 | if ($route_state eq 'from-bport') { | |
321 | $next_route_state = $from_info->{bridge} || die 'internal error'; | |
322 | $next_physdev_in = $from_info->{iface} || die 'internal error'; | |
323 | } elsif ($route_state eq 'host') { | |
324 | ||
325 | if ($target->{type} eq 'bport') { | |
326 | $pkg->{iface_in} = 'lo'; | |
327 | $pkg->{iface_out} = $target->{bridge} || die 'internal error'; | |
328 | $chain = 'PVEFW-OUTPUT'; | |
329 | $next_route_state = $target->{iface} || die 'internal error'; | |
330 | } elsif ($target->{type} eq 'ct') { | |
331 | $pkg->{iface_in} = 'lo'; | |
332 | $pkg->{iface_out} = 'venet0'; | |
333 | $chain = 'PVEFW-OUTPUT'; | |
334 | $next_route_state = 'venet-in'; | |
335 | } elsif ($target->{type} eq 'vm') { | |
336 | $pkg->{iface_in} = 'lo'; | |
337 | $pkg->{iface_out} = $target->{bridge} || die 'internal error'; | |
338 | $chain = 'PVEFW-OUTPUT'; | |
339 | $next_route_state = 'fwbr-in'; | |
340 | } else { | |
341 | die "implement me"; | |
342 | } | |
343 | ||
344 | } elsif ($route_state eq 'venet-out') { | |
345 | ||
346 | if ($target->{type} eq 'host') { | |
347 | ||
348 | $chain = 'PVEFW-INPUT'; | |
349 | $pkg->{iface_in} = 'venet0'; | |
350 | $pkg->{iface_out} = 'lo'; | |
351 | $next_route_state = 'host'; | |
352 | ||
353 | } elsif ($target->{type} eq 'bport') { | |
354 | ||
355 | $chain = 'PVEFW-FORWARD'; | |
356 | $pkg->{iface_in} = 'venet0'; | |
357 | $pkg->{iface_out} = $target->{bridge} || die 'internal error'; | |
358 | $next_route_state = $target->{iface} || die 'internal error'; | |
359 | ||
360 | } elsif ($target->{type} eq 'vm') { | |
361 | ||
362 | $chain = 'PVEFW-FORWARD'; | |
363 | $pkg->{iface_in} = 'venet0'; | |
364 | $pkg->{iface_out} = $target->{bridge} || die 'internal error'; | |
365 | $next_route_state = 'fwbr-in'; | |
366 | ||
367 | } elsif ($target->{type} eq 'ct') { | |
368 | ||
369 | $chain = 'PVEFW-FORWARD'; | |
370 | $pkg->{iface_in} = 'venet0'; | |
371 | $pkg->{iface_out} = 'venet0'; | |
372 | $next_route_state = 'venet-in'; | |
373 | ||
374 | } else { | |
375 | die "implement me"; | |
376 | } | |
377 | ||
378 | } elsif ($route_state eq 'fwbr-out') { | |
379 | ||
380 | $chain = 'PVEFW-FORWARD'; | |
381 | $next_route_state = $from_info->{bridge} || die 'internal error'; | |
382 | $next_physdev_in = $from_info->{fwpr} || die 'internal error'; | |
383 | $pkg->{iface_in} = $from_info->{fwbr} || die 'internal error'; | |
384 | $pkg->{iface_out} = $from_info->{fwbr} || die 'internal error'; | |
385 | $pkg->{physdev_in} = $from_info->{tapdev} || die 'internal error'; | |
386 | $pkg->{physdev_out} = $from_info->{fwln} || die 'internal error'; | |
387 | ||
388 | } elsif ($route_state eq 'fwbr-in') { | |
389 | ||
390 | $chain = 'PVEFW-FORWARD'; | |
391 | $next_route_state = $target->{tapdev}; | |
392 | $pkg->{iface_in} = $target->{fwbr} || die 'internal error'; | |
393 | $pkg->{iface_out} = $target->{fwbr} || die 'internal error'; | |
394 | $pkg->{physdev_in} = $target->{fwln} || die 'internal error'; | |
395 | $pkg->{physdev_out} = $target->{tapdev} || die 'internal error'; | |
396 | ||
397 | } elsif ($route_state =~ m/^vmbr\d+$/) { | |
398 | ||
399 | die "missing physdev_in - internal error?" if !$physdev_in; | |
400 | $pkg->{physdev_in} = $physdev_in; | |
401 | ||
402 | if ($target->{type} eq 'host') { | |
403 | ||
404 | $chain = 'PVEFW-INPUT'; | |
405 | $pkg->{iface_in} = $route_state; | |
406 | $pkg->{iface_out} = 'lo'; | |
407 | $next_route_state = 'host'; | |
408 | ||
409 | } elsif ($target->{type} eq 'bport') { | |
410 | ||
411 | $chain = 'PVEFW-FORWARD'; | |
412 | $pkg->{iface_in} = $route_state; | |
413 | $pkg->{iface_out} = $target->{bridge} || die 'internal error'; | |
414 | # conditionally set physdev_out (same behavior as kernel) | |
415 | if ($route_state eq $target->{bridge}) { | |
416 | $pkg->{physdev_out} = $target->{iface} || die 'internal error'; | |
417 | } | |
418 | $next_route_state = $target->{iface}; | |
419 | ||
420 | } elsif ($target->{type} eq 'ct') { | |
421 | ||
422 | $chain = 'PVEFW-FORWARD'; | |
423 | $pkg->{iface_in} = $route_state; | |
424 | $pkg->{iface_out} = 'venet0'; | |
425 | $next_route_state = 'venet-in'; | |
426 | ||
427 | } elsif ($target->{type} eq 'vm') { | |
428 | ||
429 | $chain = 'PVEFW-FORWARD'; | |
430 | $pkg->{iface_in} = $route_state; | |
431 | $pkg->{iface_out} = $target->{bridge}; | |
432 | # conditionally set physdev_out (same behavior as kernel) | |
433 | if ($route_state eq $target->{bridge}) { | |
434 | $pkg->{physdev_out} = $target->{fwpr} || die 'internal error'; | |
435 | } | |
436 | $next_route_state = 'fwbr-in'; | |
437 | ||
438 | } else { | |
439 | die "implement me"; | |
440 | } | |
441 | ||
442 | } else { | |
443 | die "implement me $route_state"; | |
444 | } | |
445 | ||
446 | die "internal error" if !defined($next_route_state); | |
447 | ||
448 | if ($chain) { | |
449 | add_trace("IPT check at $route_state (chain $chain)\n"); | |
450 | add_trace(Dumper($pkg)); | |
451 | $ipt_invocation_counter++; | |
452 | my ($res, $ctr) = ruleset_simulate_chain($ruleset, $ipset_ruleset, $chain, $pkg); | |
453 | $rule_check_counter += $ctr; | |
454 | return ($res, $ipt_invocation_counter, $rule_check_counter) if $res ne 'ACCEPT'; | |
455 | } | |
456 | ||
457 | $route_state = $next_route_state; | |
458 | ||
459 | $physdev_in = $next_physdev_in; | |
460 | } | |
461 | ||
462 | return ('ACCEPT', $ipt_invocation_counter, $rule_check_counter); | |
463 | } | |
464 | ||
465 | sub extract_ct_info { | |
466 | my ($vmdata, $vmid) = @_; | |
467 | ||
468 | my $info = { type => 'ct', vmid => $vmid }; | |
469 | ||
470 | my $conf = $vmdata->{openvz}->{$vmid} || die "no such CT '$vmid'"; | |
471 | if ($conf->{ip_address}) { | |
472 | $info->{ip_address} = $conf->{ip_address}->{value}; | |
473 | } else { | |
474 | die "implement me"; | |
475 | } | |
476 | return $info; | |
477 | } | |
478 | ||
479 | sub extract_vm_info { | |
480 | my ($vmdata, $vmid, $netnum) = @_; | |
481 | ||
482 | my $info = { type => 'vm', vmid => $vmid }; | |
483 | ||
484 | my $conf = $vmdata->{qemu}->{$vmid} || die "no such VM '$vmid'"; | |
485 | my $net = PVE::QemuServer::parse_net($conf->{"net$netnum"}); | |
486 | $info->{macaddr} = $net->{macaddr} || die "unable to get mac address"; | |
487 | $info->{bridge} = $net->{bridge} || die "unable to get bridge"; | |
488 | $info->{fwbr} = "fwbr${vmid}i$netnum"; | |
489 | $info->{tapdev} = "tap${vmid}i$netnum"; | |
490 | $info->{fwln} = "fwln${vmid}i$netnum"; | |
491 | $info->{fwpr} = "fwpr${vmid}p$netnum"; | |
492 | ||
493 | return $info; | |
494 | } | |
495 | ||
496 | sub simulate_firewall { | |
497 | my ($ruleset, $ipset_ruleset, $host_ip, $vmdata, $test) = @_; | |
498 | ||
499 | my $from = $test->{from} || die "missing 'from' field"; | |
500 | my $to = $test->{to} || die "missing 'to' field"; | |
501 | my $action = $test->{action} || die "missing 'action'"; | |
502 | ||
503 | my $testid = $test->{id}; | |
504 | ||
505 | die "from/to needs to be different" if $from eq $to; | |
506 | ||
507 | my $pkg = { | |
508 | proto => 'tcp', | |
509 | sport => undef, | |
510 | dport => undef, | |
511 | source => undef, | |
512 | dest => undef, | |
513 | srctype => 'UNICAST', | |
514 | dsttype => 'UNICAST', | |
515 | }; | |
516 | ||
517 | while (my ($k,$v) = each %$test) { | |
518 | next if $k eq 'from'; | |
519 | next if $k eq 'to'; | |
520 | next if $k eq 'action'; | |
521 | next if $k eq 'id'; | |
522 | die "unknown attribute '$k'\n" if !exists($pkg->{$k}); | |
523 | $pkg->{$k} = $v; | |
524 | } | |
525 | ||
526 | my $from_info = {}; | |
527 | ||
528 | my $start_state; | |
529 | ||
530 | if ($from eq 'host') { | |
531 | $from_info->{type} = 'host'; | |
532 | $start_state = 'host'; | |
533 | $pkg->{source} = $host_ip if !defined($pkg->{source}); | |
534 | } elsif ($from =~ m|^(vmbr\d+)/(\S+)$|) { | |
535 | $from_info->{type} = 'bport'; | |
536 | $from_info->{bridge} = $1; | |
537 | $from_info->{iface} = $2; | |
538 | $start_state = 'from-bport'; | |
539 | } elsif ($from eq 'outside') { | |
540 | $from_info->{type} = 'bport'; | |
541 | $from_info->{bridge} = 'vmbr0'; | |
542 | $from_info->{iface} = 'eth0'; | |
543 | $start_state = 'from-bport'; | |
544 | } elsif ($from eq 'nfvm') { | |
545 | $from_info->{type} = 'bport'; | |
546 | $from_info->{bridge} = 'vmbr0'; | |
547 | $from_info->{iface} = 'tapXYZ'; | |
548 | $start_state = 'from-bport'; | |
549 | } elsif ($from =~ m/^ct(\d+)$/) { | |
550 | my $vmid = $1; | |
551 | $from_info = extract_ct_info($vmdata, $vmid); | |
552 | if ($from_info->{ip_address}) { | |
553 | $pkg->{source} = $from_info->{ip_address} if !defined($pkg->{source}); | |
554 | $start_state = 'venet-out'; | |
555 | } else { | |
556 | die "implement me"; | |
557 | } | |
558 | } elsif ($from =~ m/^vm(\d+)(i(\d))?$/) { | |
559 | my $vmid = $1; | |
560 | my $netnum = $3 || 0; | |
561 | $from_info = extract_vm_info($vmdata, $vmid, $netnum); | |
562 | $start_state = 'fwbr-out'; | |
563 | $pkg->{mac_source} = $from_info->{macaddr}; | |
564 | } else { | |
565 | die "unable to parse \"from => '$from'\"\n"; | |
566 | } | |
567 | ||
568 | my $target; | |
569 | ||
570 | if ($to eq 'host') { | |
571 | $target->{type} = 'host'; | |
572 | $target->{iface} = 'host'; | |
573 | $pkg->{dest} = $host_ip if !defined($pkg->{dest}); | |
574 | } elsif ($to =~ m|^(vmbr\d+)/(\S+)$|) { | |
575 | $target->{type} = 'bport'; | |
576 | $target->{bridge} = $1; | |
577 | $target->{iface} = $2; | |
578 | } elsif ($to eq 'outside') { | |
579 | $target->{type} = 'bport'; | |
580 | $target->{bridge} = 'vmbr0'; | |
581 | $target->{iface} = 'eth0'; | |
582 | } elsif ($to eq 'nfvm') { | |
583 | $target->{type} = 'bport'; | |
584 | $target->{bridge} = 'vmbr0'; | |
585 | $target->{iface} = 'tapXYZ'; | |
586 | } elsif ($to =~ m/^ct(\d+)$/) { | |
587 | my $vmid = $1; | |
588 | $target = extract_ct_info($vmdata, $vmid); | |
589 | $target->{iface} = 'venet-in'; | |
590 | ||
591 | if ($target->{ip_address}) { | |
592 | $pkg->{dest} = $target->{ip_address}; | |
593 | } else { | |
594 | die "implement me"; | |
595 | } | |
596 | } elsif ($to =~ m/^vm(\d+)$/) { | |
597 | my $vmid = $1; | |
598 | $target = extract_vm_info($vmdata, $vmid, 0); | |
599 | $target->{iface} = $target->{tapdev}; | |
600 | } else { | |
601 | die "unable to parse \"to => '$to'\"\n"; | |
602 | } | |
603 | ||
604 | $pkg->{source} = '100.100.1.2' if !defined($pkg->{source}); | |
605 | $pkg->{dest} = '100.200.3.4' if !defined($pkg->{dest}); | |
606 | ||
607 | my ($res, $ic, $rc) = route_packet($ruleset, $ipset_ruleset, $pkg, | |
608 | $from_info, $target, $start_state); | |
609 | ||
610 | add_trace("IPT statistics: invocation = $ic, checks = $rc\n"); | |
611 | ||
612 | return $res if $action eq 'QUERY'; | |
613 | ||
614 | die "test failed ($res != $action)\n" if $action ne $res; | |
615 | ||
616 | return undef; | |
617 | } | |
618 | ||
619 | 1; | |
620 |