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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}$/) ? 1 : 0; | |
53 | } | |
54 | ||
55 | sub ipset_match { | |
ca1a5a39 DM |
56 | my ($ipset_ruleset, $ipsetname, $ipaddr) = @_; |
57 | ||
58 | my $ipset = $ipset_ruleset->{$ipsetname}; | |
59 | die "no such ipset '$ipsetname'" if !$ipset; | |
63e8c70e DM |
60 | |
61 | my $ip = Net::IP->new($ipaddr); | |
62 | ||
ca1a5a39 DM |
63 | my $first = $ipset->[0]; |
64 | if ($first =~ m/^create\s+\S+\s+list:/) { | |
65 | foreach my $entry (@$ipset) { | |
66 | next if $entry =~ m/^create/; # simply ignore | |
67 | if ($entry =~ m/add \S+ (\S+)$/) { | |
68 | return 1 if ipset_match($ipset_ruleset, $1, $ipaddr); | |
69 | } else { | |
70 | die "implement me"; | |
71 | } | |
72 | } | |
73 | return 0; | |
74 | } elsif ($first =~ m/^create\s+\S+\s+hash:net/) { | |
75 | foreach my $entry (@$ipset) { | |
76 | next if $entry =~ m/^create/; # simply ignore | |
77 | if ($entry =~ m/add \S+ (\S+)$/) { | |
78 | my $test = Net::IP->new($1); | |
79 | if ($test->overlaps($ip)) { | |
80 | add_trace("IPSET $ipsetname match $ipaddr\n"); | |
81 | return 1; | |
82 | } | |
83 | } else { | |
84 | die "implement me"; | |
63e8c70e | 85 | } |
63e8c70e | 86 | } |
ca1a5a39 DM |
87 | return 0; |
88 | } else { | |
89 | die "unknown ipset type '$first' - not implemented\n"; | |
63e8c70e DM |
90 | } |
91 | ||
92 | return 0; | |
93 | } | |
94 | ||
95 | sub rule_match { | |
96 | my ($ipset_ruleset, $chain, $rule, $pkg) = @_; | |
97 | ||
98 | $rule =~ s/^-A $chain // || die "got strange rule: $rule"; | |
99 | ||
100 | while (length($rule)) { | |
101 | ||
102 | if ($rule =~ s/^-m conntrack --ctstate (\S+)\s*//) { | |
103 | my $cstate = $1; | |
104 | ||
105 | return undef if $cstate eq 'INVALID'; # no match | |
106 | return undef if $cstate eq 'RELATED,ESTABLISHED'; # no match | |
107 | ||
108 | next if $cstate =~ m/NEW/; | |
109 | ||
e76a9f53 | 110 | die "cstate test '$cstate' not implemented\n"; |
63e8c70e DM |
111 | } |
112 | ||
113 | if ($rule =~ s/^-m addrtype --src-type (\S+)\s*//) { | |
114 | my $atype = $1; | |
e76a9f53 DM |
115 | die "missing source address type (srctype)\n" |
116 | if !$pkg->{srctype}; | |
63e8c70e DM |
117 | return undef if $atype ne $pkg->{srctype}; |
118 | } | |
119 | ||
120 | if ($rule =~ s/^-m addrtype --dst-type (\S+)\s*//) { | |
121 | my $atype = $1; | |
e76a9f53 DM |
122 | die "missing destination address type (dsttype)\n" |
123 | if !$pkg->{dsttype}; | |
63e8c70e DM |
124 | return undef if $atype ne $pkg->{dsttype}; |
125 | } | |
126 | ||
127 | if ($rule =~ s/^-i (\S+)\s*//) { | |
128 | my $devre = $1; | |
e76a9f53 | 129 | die "missing interface (iface_in)\n" if !$pkg->{iface_in}; |
63e8c70e DM |
130 | return undef if !nf_dev_match($devre, $pkg->{iface_in}); |
131 | next; | |
132 | } | |
133 | ||
134 | if ($rule =~ s/^-o (\S+)\s*//) { | |
135 | my $devre = $1; | |
e76a9f53 | 136 | die "missing interface (iface_out)\n" if !$pkg->{iface_out}; |
63e8c70e DM |
137 | return undef if !nf_dev_match($devre, $pkg->{iface_out}); |
138 | next; | |
139 | } | |
140 | ||
cc8dc02f | 141 | if ($rule =~ s/^-p (tcp|udp|igmp|icmp)\s*//) { |
63e8c70e DM |
142 | die "missing proto" if !$pkg->{proto}; |
143 | return undef if $pkg->{proto} ne $1; # no match | |
144 | next; | |
145 | } | |
146 | ||
147 | if ($rule =~ s/^--dport (\d+):(\d+)\s*//) { | |
148 | die "missing dport" if !$pkg->{dport}; | |
149 | return undef if ($pkg->{dport} < $1) || ($pkg->{dport} > $2); # no match | |
150 | next; | |
151 | } | |
152 | ||
153 | if ($rule =~ s/^--dport (\d+)\s*//) { | |
154 | die "missing dport" if !$pkg->{dport}; | |
155 | return undef if $pkg->{dport} != $1; # no match | |
156 | next; | |
157 | } | |
158 | ||
159 | if ($rule =~ s/^-s (\S+)\s*//) { | |
160 | die "missing source" if !$pkg->{source}; | |
161 | my $ip = Net::IP->new($1); | |
162 | return undef if !$ip->overlaps(Net::IP->new($pkg->{source})); # no match | |
163 | next; | |
164 | } | |
165 | ||
166 | if ($rule =~ s/^-d (\S+)\s*//) { | |
167 | die "missing destination" if !$pkg->{dest}; | |
168 | my $ip = Net::IP->new($1); | |
169 | return undef if !$ip->overlaps(Net::IP->new($pkg->{dest})); # no match | |
170 | next; | |
171 | } | |
172 | ||
b625713b | 173 | if ($rule =~ s/^-m set (!\s+)?--match-set (\S+) src\s*//) { |
63e8c70e | 174 | die "missing source" if !$pkg->{source}; |
b625713b | 175 | my $neg = $1; |
ca1a5a39 | 176 | my $ipset_name = $2; |
b625713b | 177 | if ($neg) { |
ca1a5a39 | 178 | return undef if ipset_match($ipset_ruleset, $ipset_name, $pkg->{source}); |
b625713b | 179 | } else { |
ca1a5a39 | 180 | return undef if !ipset_match($ipset_ruleset, $ipset_name, $pkg->{source}); |
b625713b | 181 | } |
63e8c70e DM |
182 | next; |
183 | } | |
184 | ||
185 | if ($rule =~ s/^-m set --match-set (\S+) dst\s*//) { | |
186 | die "missing destination" if !$pkg->{dest}; | |
ca1a5a39 DM |
187 | my $ipset_name = $1; |
188 | return undef if !ipset_match($ipset_ruleset, $ipset_name, $pkg->{dest}); | |
63e8c70e DM |
189 | next; |
190 | } | |
191 | ||
192 | if ($rule =~ s/^-m mac ! --mac-source (\S+)\s*//) { | |
193 | die "missing source mac" if !$pkg->{mac_source}; | |
194 | return undef if $pkg->{mac_source} eq $1; # no match | |
195 | next; | |
196 | } | |
197 | ||
198 | if ($rule =~ s/^-m physdev --physdev-is-bridged --physdev-in (\S+)\s*//) { | |
199 | my $devre = $1; | |
200 | return undef if !$pkg->{physdev_in}; | |
201 | return undef if !nf_dev_match($devre, $pkg->{physdev_in}); | |
202 | next; | |
203 | } | |
204 | ||
205 | if ($rule =~ s/^-m physdev --physdev-is-bridged --physdev-out (\S+)\s*//) { | |
206 | my $devre = $1; | |
207 | return undef if !$pkg->{physdev_out}; | |
208 | return undef if !nf_dev_match($devre, $pkg->{physdev_out}); | |
209 | next; | |
210 | } | |
211 | ||
212 | if ($rule =~ s/^-m mark --mark (\d+)\s*//) { | |
213 | return undef if !defined($mark) || $mark != $1; | |
214 | next; | |
215 | } | |
216 | ||
217 | # final actions | |
218 | ||
219 | if ($rule =~ s/^-j MARK --set-mark (\d+)\s*$//) { | |
220 | $mark = $1; | |
221 | return undef; | |
222 | } | |
223 | ||
224 | if ($rule =~ s/^-j (\S+)\s*$//) { | |
225 | return (0, $1); | |
226 | } | |
227 | ||
228 | if ($rule =~ s/^-g (\S+)\s*$//) { | |
229 | return (1, $1); | |
230 | } | |
231 | ||
232 | if ($rule =~ s/^-j NFLOG --nflog-prefix \"[^\"]+\"$//) { | |
233 | return undef; | |
234 | } | |
235 | ||
236 | last; | |
237 | } | |
238 | ||
239 | die "unable to parse rule: $rule"; | |
240 | } | |
241 | ||
242 | sub ruleset_simulate_chain { | |
243 | my ($ruleset, $ipset_ruleset, $chain, $pkg) = @_; | |
244 | ||
245 | add_trace("ENTER chain $chain\n"); | |
246 | ||
247 | my $counter = 0; | |
248 | ||
249 | if ($chain eq 'PVEFW-Drop') { | |
250 | add_trace("LEAVE chain $chain\n"); | |
251 | return ('DROP', $counter); | |
252 | } | |
253 | if ($chain eq 'PVEFW-reject') { | |
254 | add_trace("LEAVE chain $chain\n"); | |
255 | return ('REJECT', $counter); | |
256 | } | |
257 | ||
258 | if ($chain eq 'PVEFW-tcpflags') { | |
259 | add_trace("LEAVE chain $chain\n"); | |
260 | return (undef, $counter); | |
261 | } | |
262 | ||
263 | my $rules = $ruleset->{$chain} || | |
264 | die "no such chain '$chain'"; | |
265 | ||
266 | foreach my $rule (@$rules) { | |
267 | $counter++; | |
268 | my ($goto, $action) = rule_match($ipset_ruleset, $chain, $rule, $pkg); | |
269 | if (!defined($action)) { | |
270 | add_trace("SKIP: $rule\n"); | |
271 | next; | |
272 | } | |
273 | add_trace("MATCH: $rule\n"); | |
274 | ||
275 | if ($action eq 'ACCEPT' || $action eq 'DROP' || $action eq 'REJECT') { | |
276 | add_trace("TERMINATE chain $chain: $action\n"); | |
277 | return ($action, $counter); | |
278 | } elsif ($action eq 'RETURN') { | |
279 | add_trace("RETURN FROM chain $chain\n"); | |
280 | last; | |
281 | } else { | |
282 | if ($goto) { | |
283 | add_trace("LEAVE chain $chain - goto $action\n"); | |
284 | return ruleset_simulate_chain($ruleset, $ipset_ruleset, $action, $pkg) | |
285 | #$chain = $action; | |
286 | #$rules = $ruleset->{$chain} || die "no such chain '$chain'"; | |
287 | } else { | |
288 | my ($act, $ctr) = ruleset_simulate_chain($ruleset, $ipset_ruleset, $action, $pkg); | |
289 | $counter += $ctr; | |
290 | return ($act, $counter) if $act; | |
291 | add_trace("CONTINUE chain $chain\n"); | |
292 | } | |
293 | } | |
294 | } | |
295 | ||
296 | add_trace("LEAVE chain $chain\n"); | |
297 | if ($chain =~ m/^PVEFW-(INPUT|OUTPUT|FORWARD)$/) { | |
298 | return ('ACCEPT', $counter); # default policy | |
299 | } | |
300 | ||
301 | return (undef, $counter); | |
302 | } | |
303 | ||
304 | sub copy_packet { | |
305 | my ($pkg) = @_; | |
306 | ||
307 | my $res = {}; | |
308 | ||
309 | while (my ($k,$v) = each %$pkg) { | |
310 | $res->{$k} = $v; | |
311 | } | |
312 | ||
313 | return $res; | |
314 | } | |
315 | ||
316 | # Try to simulate packet traversal inside kernel. This invokes iptable | |
317 | # checks several times. | |
318 | sub route_packet { | |
319 | my ($ruleset, $ipset_ruleset, $pkg, $from_info, $target, $start_state) = @_; | |
320 | ||
ca1a5a39 DM |
321 | $pkg->{ipversion} = 4; # fixme: allow ipv6 |
322 | ||
63e8c70e DM |
323 | my $route_state = $start_state; |
324 | ||
325 | my $physdev_in; | |
326 | ||
327 | my $ipt_invocation_counter = 0; | |
328 | my $rule_check_counter = 0; | |
329 | ||
330 | while ($route_state ne $target->{iface}) { | |
331 | ||
332 | my $chain; | |
333 | my $next_route_state; | |
334 | my $next_physdev_in; | |
335 | ||
336 | $pkg->{iface_in} = $pkg->{iface_out} = undef; | |
337 | $pkg->{physdev_in} = $pkg->{physdev_out} = undef; | |
338 | ||
339 | if ($route_state eq 'from-bport') { | |
340 | $next_route_state = $from_info->{bridge} || die 'internal error'; | |
341 | $next_physdev_in = $from_info->{iface} || die 'internal error'; | |
342 | } elsif ($route_state eq 'host') { | |
343 | ||
344 | if ($target->{type} eq 'bport') { | |
345 | $pkg->{iface_in} = 'lo'; | |
346 | $pkg->{iface_out} = $target->{bridge} || die 'internal error'; | |
347 | $chain = 'PVEFW-OUTPUT'; | |
348 | $next_route_state = $target->{iface} || die 'internal error'; | |
349 | } elsif ($target->{type} eq 'ct') { | |
350 | $pkg->{iface_in} = 'lo'; | |
351 | $pkg->{iface_out} = 'venet0'; | |
352 | $chain = 'PVEFW-OUTPUT'; | |
353 | $next_route_state = 'venet-in'; | |
354 | } elsif ($target->{type} eq 'vm') { | |
355 | $pkg->{iface_in} = 'lo'; | |
356 | $pkg->{iface_out} = $target->{bridge} || die 'internal error'; | |
357 | $chain = 'PVEFW-OUTPUT'; | |
358 | $next_route_state = 'fwbr-in'; | |
359 | } else { | |
360 | die "implement me"; | |
361 | } | |
362 | ||
363 | } elsif ($route_state eq 'venet-out') { | |
364 | ||
365 | if ($target->{type} eq 'host') { | |
366 | ||
367 | $chain = 'PVEFW-INPUT'; | |
368 | $pkg->{iface_in} = 'venet0'; | |
369 | $pkg->{iface_out} = 'lo'; | |
370 | $next_route_state = 'host'; | |
371 | ||
372 | } elsif ($target->{type} eq 'bport') { | |
373 | ||
374 | $chain = 'PVEFW-FORWARD'; | |
375 | $pkg->{iface_in} = 'venet0'; | |
376 | $pkg->{iface_out} = $target->{bridge} || die 'internal error'; | |
377 | $next_route_state = $target->{iface} || die 'internal error'; | |
378 | ||
379 | } elsif ($target->{type} eq 'vm') { | |
380 | ||
381 | $chain = 'PVEFW-FORWARD'; | |
382 | $pkg->{iface_in} = 'venet0'; | |
383 | $pkg->{iface_out} = $target->{bridge} || die 'internal error'; | |
384 | $next_route_state = 'fwbr-in'; | |
385 | ||
386 | } elsif ($target->{type} eq 'ct') { | |
387 | ||
388 | $chain = 'PVEFW-FORWARD'; | |
389 | $pkg->{iface_in} = 'venet0'; | |
390 | $pkg->{iface_out} = 'venet0'; | |
391 | $next_route_state = 'venet-in'; | |
392 | ||
393 | } else { | |
394 | die "implement me"; | |
395 | } | |
396 | ||
397 | } elsif ($route_state eq 'fwbr-out') { | |
398 | ||
399 | $chain = 'PVEFW-FORWARD'; | |
400 | $next_route_state = $from_info->{bridge} || die 'internal error'; | |
401 | $next_physdev_in = $from_info->{fwpr} || die 'internal error'; | |
402 | $pkg->{iface_in} = $from_info->{fwbr} || die 'internal error'; | |
403 | $pkg->{iface_out} = $from_info->{fwbr} || die 'internal error'; | |
404 | $pkg->{physdev_in} = $from_info->{tapdev} || die 'internal error'; | |
405 | $pkg->{physdev_out} = $from_info->{fwln} || die 'internal error'; | |
406 | ||
407 | } elsif ($route_state eq 'fwbr-in') { | |
408 | ||
409 | $chain = 'PVEFW-FORWARD'; | |
410 | $next_route_state = $target->{tapdev}; | |
411 | $pkg->{iface_in} = $target->{fwbr} || die 'internal error'; | |
412 | $pkg->{iface_out} = $target->{fwbr} || die 'internal error'; | |
413 | $pkg->{physdev_in} = $target->{fwln} || die 'internal error'; | |
414 | $pkg->{physdev_out} = $target->{tapdev} || die 'internal error'; | |
415 | ||
416 | } elsif ($route_state =~ m/^vmbr\d+$/) { | |
417 | ||
418 | die "missing physdev_in - internal error?" if !$physdev_in; | |
419 | $pkg->{physdev_in} = $physdev_in; | |
420 | ||
421 | if ($target->{type} eq 'host') { | |
422 | ||
423 | $chain = 'PVEFW-INPUT'; | |
424 | $pkg->{iface_in} = $route_state; | |
425 | $pkg->{iface_out} = 'lo'; | |
426 | $next_route_state = 'host'; | |
427 | ||
428 | } elsif ($target->{type} eq 'bport') { | |
429 | ||
430 | $chain = 'PVEFW-FORWARD'; | |
431 | $pkg->{iface_in} = $route_state; | |
432 | $pkg->{iface_out} = $target->{bridge} || die 'internal error'; | |
433 | # conditionally set physdev_out (same behavior as kernel) | |
434 | if ($route_state eq $target->{bridge}) { | |
435 | $pkg->{physdev_out} = $target->{iface} || die 'internal error'; | |
436 | } | |
437 | $next_route_state = $target->{iface}; | |
438 | ||
439 | } elsif ($target->{type} eq 'ct') { | |
440 | ||
441 | $chain = 'PVEFW-FORWARD'; | |
442 | $pkg->{iface_in} = $route_state; | |
443 | $pkg->{iface_out} = 'venet0'; | |
444 | $next_route_state = 'venet-in'; | |
445 | ||
446 | } elsif ($target->{type} eq 'vm') { | |
447 | ||
448 | $chain = 'PVEFW-FORWARD'; | |
449 | $pkg->{iface_in} = $route_state; | |
450 | $pkg->{iface_out} = $target->{bridge}; | |
451 | # conditionally set physdev_out (same behavior as kernel) | |
452 | if ($route_state eq $target->{bridge}) { | |
453 | $pkg->{physdev_out} = $target->{fwpr} || die 'internal error'; | |
454 | } | |
455 | $next_route_state = 'fwbr-in'; | |
456 | ||
457 | } else { | |
458 | die "implement me"; | |
459 | } | |
460 | ||
461 | } else { | |
462 | die "implement me $route_state"; | |
463 | } | |
464 | ||
465 | die "internal error" if !defined($next_route_state); | |
466 | ||
467 | if ($chain) { | |
468 | add_trace("IPT check at $route_state (chain $chain)\n"); | |
469 | add_trace(Dumper($pkg)); | |
470 | $ipt_invocation_counter++; | |
471 | my ($res, $ctr) = ruleset_simulate_chain($ruleset, $ipset_ruleset, $chain, $pkg); | |
472 | $rule_check_counter += $ctr; | |
473 | return ($res, $ipt_invocation_counter, $rule_check_counter) if $res ne 'ACCEPT'; | |
474 | } | |
475 | ||
476 | $route_state = $next_route_state; | |
477 | ||
478 | $physdev_in = $next_physdev_in; | |
479 | } | |
480 | ||
481 | return ('ACCEPT', $ipt_invocation_counter, $rule_check_counter); | |
482 | } | |
483 | ||
484 | sub extract_ct_info { | |
485 | my ($vmdata, $vmid) = @_; | |
486 | ||
487 | my $info = { type => 'ct', vmid => $vmid }; | |
488 | ||
489 | my $conf = $vmdata->{openvz}->{$vmid} || die "no such CT '$vmid'"; | |
490 | if ($conf->{ip_address}) { | |
491 | $info->{ip_address} = $conf->{ip_address}->{value}; | |
492 | } else { | |
493 | die "implement me"; | |
494 | } | |
495 | return $info; | |
496 | } | |
497 | ||
498 | sub extract_vm_info { | |
b625713b | 499 | my ($vmdata, $vmid, $netnum) = @_; |
63e8c70e DM |
500 | |
501 | my $info = { type => 'vm', vmid => $vmid }; | |
502 | ||
503 | my $conf = $vmdata->{qemu}->{$vmid} || die "no such VM '$vmid'"; | |
b625713b | 504 | my $net = PVE::QemuServer::parse_net($conf->{"net$netnum"}); |
63e8c70e DM |
505 | $info->{macaddr} = $net->{macaddr} || die "unable to get mac address"; |
506 | $info->{bridge} = $net->{bridge} || die "unable to get bridge"; | |
b625713b DM |
507 | $info->{fwbr} = "fwbr${vmid}i$netnum"; |
508 | $info->{tapdev} = "tap${vmid}i$netnum"; | |
509 | $info->{fwln} = "fwln${vmid}i$netnum"; | |
510 | $info->{fwpr} = "fwpr${vmid}p$netnum"; | |
63e8c70e DM |
511 | |
512 | return $info; | |
513 | } | |
514 | ||
515 | sub simulate_firewall { | |
516 | my ($ruleset, $ipset_ruleset, $host_ip, $vmdata, $test) = @_; | |
517 | ||
518 | my $from = $test->{from} || die "missing 'from' field"; | |
519 | my $to = $test->{to} || die "missing 'to' field"; | |
520 | my $action = $test->{action} || die "missing 'action'"; | |
521 | ||
522 | my $testid = $test->{id}; | |
523 | ||
524 | die "from/to needs to be different" if $from eq $to; | |
525 | ||
526 | my $pkg = { | |
527 | proto => 'tcp', | |
528 | sport => undef, | |
529 | dport => undef, | |
530 | source => undef, | |
531 | dest => undef, | |
532 | srctype => 'UNICAST', | |
533 | dsttype => 'UNICAST', | |
534 | }; | |
535 | ||
536 | while (my ($k,$v) = each %$test) { | |
537 | next if $k eq 'from'; | |
538 | next if $k eq 'to'; | |
539 | next if $k eq 'action'; | |
540 | next if $k eq 'id'; | |
541 | die "unknown attribute '$k'\n" if !exists($pkg->{$k}); | |
542 | $pkg->{$k} = $v; | |
543 | } | |
544 | ||
545 | my $from_info = {}; | |
546 | ||
547 | my $start_state; | |
548 | ||
549 | if ($from eq 'host') { | |
550 | $from_info->{type} = 'host'; | |
551 | $start_state = 'host'; | |
552 | $pkg->{source} = $host_ip if !defined($pkg->{source}); | |
553 | } elsif ($from =~ m|^(vmbr\d+)/(\S+)$|) { | |
554 | $from_info->{type} = 'bport'; | |
555 | $from_info->{bridge} = $1; | |
556 | $from_info->{iface} = $2; | |
557 | $start_state = 'from-bport'; | |
558 | } elsif ($from eq 'outside') { | |
559 | $from_info->{type} = 'bport'; | |
560 | $from_info->{bridge} = 'vmbr0'; | |
561 | $from_info->{iface} = 'eth0'; | |
562 | $start_state = 'from-bport'; | |
563 | } elsif ($from eq 'nfvm') { | |
564 | $from_info->{type} = 'bport'; | |
565 | $from_info->{bridge} = 'vmbr0'; | |
566 | $from_info->{iface} = 'tapXYZ'; | |
567 | $start_state = 'from-bport'; | |
568 | } elsif ($from =~ m/^ct(\d+)$/) { | |
569 | my $vmid = $1; | |
570 | $from_info = extract_ct_info($vmdata, $vmid); | |
571 | if ($from_info->{ip_address}) { | |
572 | $pkg->{source} = $from_info->{ip_address} if !defined($pkg->{source}); | |
573 | $start_state = 'venet-out'; | |
574 | } else { | |
575 | die "implement me"; | |
576 | } | |
b625713b | 577 | } elsif ($from =~ m/^vm(\d+)(i(\d))?$/) { |
63e8c70e | 578 | my $vmid = $1; |
b625713b DM |
579 | my $netnum = $3 || 0; |
580 | $from_info = extract_vm_info($vmdata, $vmid, $netnum); | |
63e8c70e DM |
581 | $start_state = 'fwbr-out'; |
582 | $pkg->{mac_source} = $from_info->{macaddr}; | |
583 | } else { | |
584 | die "unable to parse \"from => '$from'\"\n"; | |
585 | } | |
586 | ||
587 | my $target; | |
588 | ||
589 | if ($to eq 'host') { | |
590 | $target->{type} = 'host'; | |
591 | $target->{iface} = 'host'; | |
592 | $pkg->{dest} = $host_ip if !defined($pkg->{dest}); | |
593 | } elsif ($to =~ m|^(vmbr\d+)/(\S+)$|) { | |
594 | $target->{type} = 'bport'; | |
595 | $target->{bridge} = $1; | |
596 | $target->{iface} = $2; | |
597 | } elsif ($to eq 'outside') { | |
598 | $target->{type} = 'bport'; | |
599 | $target->{bridge} = 'vmbr0'; | |
600 | $target->{iface} = 'eth0'; | |
601 | } elsif ($to eq 'nfvm') { | |
602 | $target->{type} = 'bport'; | |
603 | $target->{bridge} = 'vmbr0'; | |
604 | $target->{iface} = 'tapXYZ'; | |
605 | } elsif ($to =~ m/^ct(\d+)$/) { | |
606 | my $vmid = $1; | |
607 | $target = extract_ct_info($vmdata, $vmid); | |
608 | $target->{iface} = 'venet-in'; | |
609 | ||
610 | if ($target->{ip_address}) { | |
611 | $pkg->{dest} = $target->{ip_address}; | |
612 | } else { | |
613 | die "implement me"; | |
614 | } | |
615 | } elsif ($to =~ m/^vm(\d+)$/) { | |
616 | my $vmid = $1; | |
b625713b | 617 | $target = extract_vm_info($vmdata, $vmid, 0); |
63e8c70e DM |
618 | $target->{iface} = $target->{tapdev}; |
619 | } else { | |
620 | die "unable to parse \"to => '$to'\"\n"; | |
621 | } | |
622 | ||
623 | $pkg->{source} = '100.100.1.2' if !defined($pkg->{source}); | |
624 | $pkg->{dest} = '100.200.3.4' if !defined($pkg->{dest}); | |
625 | ||
626 | my ($res, $ic, $rc) = route_packet($ruleset, $ipset_ruleset, $pkg, | |
627 | $from_info, $target, $start_state); | |
628 | ||
629 | add_trace("IPT statistics: invocation = $ic, checks = $rc\n"); | |
630 | ||
814de832 DM |
631 | return $res if $action eq 'QUERY'; |
632 | ||
63e8c70e DM |
633 | die "test failed ($res != $action)\n" if $action ne $res; |
634 | ||
635 | return undef; | |
636 | } | |
637 | ||
638 | 1; | |
639 |