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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; | |
e038c485 DM |
9 | use PVE::LXC; |
10 | use PVE::QemuServer; | |
63e8c70e DM |
11 | |
12 | my $mark; | |
13 | my $trace; | |
14 | my $debug = 0; | |
15 | ||
fe3d79b4 WB |
16 | my $NUMBER_RE = qr/0x[0-9a-fA-F]+|\d+/; |
17 | ||
63e8c70e DM |
18 | sub debug { |
19 | my $new_value = shift; | |
20 | ||
21 | $debug = $new_value if defined($new_value); | |
22 | ||
23 | return $debug; | |
24 | } | |
25 | ||
26 | sub reset_trace { | |
27 | $trace = ''; | |
28 | } | |
29 | ||
30 | sub get_trace { | |
31 | return $trace; | |
32 | } | |
33 | ||
34 | sub add_trace { | |
35 | my ($text) = @_; | |
36 | ||
37 | if ($debug) { | |
38 | print $text; | |
39 | } else { | |
40 | $trace .= $text; | |
41 | } | |
42 | } | |
43 | ||
49124851 DM |
44 | $SIG{'__WARN__'} = sub { |
45 | my $err = $@; | |
46 | my $t = $_[0]; | |
47 | chomp $t; | |
48 | add_trace("$t\n"); | |
49 | $@ = $err; | |
50 | }; | |
51 | ||
63e8c70e DM |
52 | sub nf_dev_match { |
53 | my ($devre, $dev) = @_; | |
54 | ||
55 | $devre =~ s/\+$/\.\*/; | |
56 | return ($dev =~ m/^${devre}$/) ? 1 : 0; | |
57 | } | |
58 | ||
59 | sub ipset_match { | |
ca1a5a39 DM |
60 | my ($ipset_ruleset, $ipsetname, $ipaddr) = @_; |
61 | ||
62 | my $ipset = $ipset_ruleset->{$ipsetname}; | |
63 | die "no such ipset '$ipsetname'" if !$ipset; | |
63e8c70e DM |
64 | |
65 | my $ip = Net::IP->new($ipaddr); | |
66 | ||
ca1a5a39 DM |
67 | my $first = $ipset->[0]; |
68 | if ($first =~ m/^create\s+\S+\s+list:/) { | |
69 | foreach my $entry (@$ipset) { | |
70 | next if $entry =~ m/^create/; # simply ignore | |
71 | if ($entry =~ m/add \S+ (\S+)$/) { | |
72 | return 1 if ipset_match($ipset_ruleset, $1, $ipaddr); | |
73 | } else { | |
74 | die "implement me"; | |
75 | } | |
76 | } | |
77 | return 0; | |
78 | } elsif ($first =~ m/^create\s+\S+\s+hash:net/) { | |
79 | foreach my $entry (@$ipset) { | |
80 | next if $entry =~ m/^create/; # simply ignore | |
81 | if ($entry =~ m/add \S+ (\S+)$/) { | |
82 | my $test = Net::IP->new($1); | |
83 | if ($test->overlaps($ip)) { | |
84 | add_trace("IPSET $ipsetname match $ipaddr\n"); | |
85 | return 1; | |
86 | } | |
87 | } else { | |
88 | die "implement me"; | |
63e8c70e | 89 | } |
63e8c70e | 90 | } |
ca1a5a39 DM |
91 | return 0; |
92 | } else { | |
93 | die "unknown ipset type '$first' - not implemented\n"; | |
63e8c70e DM |
94 | } |
95 | ||
96 | return 0; | |
97 | } | |
98 | ||
99 | sub rule_match { | |
100 | my ($ipset_ruleset, $chain, $rule, $pkg) = @_; | |
101 | ||
102 | $rule =~ s/^-A $chain // || die "got strange rule: $rule"; | |
103 | ||
104 | while (length($rule)) { | |
105 | ||
106 | if ($rule =~ s/^-m conntrack --ctstate (\S+)\s*//) { | |
107 | my $cstate = $1; | |
108 | ||
109 | return undef if $cstate eq 'INVALID'; # no match | |
110 | return undef if $cstate eq 'RELATED,ESTABLISHED'; # no match | |
111 | ||
112 | next if $cstate =~ m/NEW/; | |
113 | ||
e76a9f53 | 114 | die "cstate test '$cstate' not implemented\n"; |
63e8c70e DM |
115 | } |
116 | ||
117 | if ($rule =~ s/^-m addrtype --src-type (\S+)\s*//) { | |
118 | my $atype = $1; | |
e76a9f53 DM |
119 | die "missing source address type (srctype)\n" |
120 | if !$pkg->{srctype}; | |
63e8c70e DM |
121 | return undef if $atype ne $pkg->{srctype}; |
122 | } | |
123 | ||
124 | if ($rule =~ s/^-m addrtype --dst-type (\S+)\s*//) { | |
125 | my $atype = $1; | |
e76a9f53 DM |
126 | die "missing destination address type (dsttype)\n" |
127 | if !$pkg->{dsttype}; | |
63e8c70e DM |
128 | return undef if $atype ne $pkg->{dsttype}; |
129 | } | |
130 | ||
131 | if ($rule =~ s/^-i (\S+)\s*//) { | |
132 | my $devre = $1; | |
e76a9f53 | 133 | die "missing interface (iface_in)\n" if !$pkg->{iface_in}; |
63e8c70e DM |
134 | return undef if !nf_dev_match($devre, $pkg->{iface_in}); |
135 | next; | |
136 | } | |
137 | ||
138 | if ($rule =~ s/^-o (\S+)\s*//) { | |
139 | my $devre = $1; | |
e76a9f53 | 140 | die "missing interface (iface_out)\n" if !$pkg->{iface_out}; |
63e8c70e DM |
141 | return undef if !nf_dev_match($devre, $pkg->{iface_out}); |
142 | next; | |
143 | } | |
144 | ||
cc8dc02f | 145 | if ($rule =~ s/^-p (tcp|udp|igmp|icmp)\s*//) { |
63e8c70e DM |
146 | die "missing proto" if !$pkg->{proto}; |
147 | return undef if $pkg->{proto} ne $1; # no match | |
148 | next; | |
149 | } | |
150 | ||
151 | if ($rule =~ s/^--dport (\d+):(\d+)\s*//) { | |
152 | die "missing dport" if !$pkg->{dport}; | |
153 | return undef if ($pkg->{dport} < $1) || ($pkg->{dport} > $2); # no match | |
154 | next; | |
155 | } | |
156 | ||
157 | if ($rule =~ s/^--dport (\d+)\s*//) { | |
158 | die "missing dport" if !$pkg->{dport}; | |
159 | return undef if $pkg->{dport} != $1; # no match | |
160 | next; | |
161 | } | |
162 | ||
163 | if ($rule =~ s/^-s (\S+)\s*//) { | |
164 | die "missing source" if !$pkg->{source}; | |
165 | my $ip = Net::IP->new($1); | |
166 | return undef if !$ip->overlaps(Net::IP->new($pkg->{source})); # no match | |
167 | next; | |
168 | } | |
169 | ||
170 | if ($rule =~ s/^-d (\S+)\s*//) { | |
171 | die "missing destination" if !$pkg->{dest}; | |
172 | my $ip = Net::IP->new($1); | |
173 | return undef if !$ip->overlaps(Net::IP->new($pkg->{dest})); # no match | |
174 | next; | |
175 | } | |
176 | ||
b625713b | 177 | if ($rule =~ s/^-m set (!\s+)?--match-set (\S+) src\s*//) { |
63e8c70e | 178 | die "missing source" if !$pkg->{source}; |
b625713b | 179 | my $neg = $1; |
ca1a5a39 | 180 | my $ipset_name = $2; |
b625713b | 181 | if ($neg) { |
ca1a5a39 | 182 | return undef if ipset_match($ipset_ruleset, $ipset_name, $pkg->{source}); |
b625713b | 183 | } else { |
ca1a5a39 | 184 | return undef if !ipset_match($ipset_ruleset, $ipset_name, $pkg->{source}); |
b625713b | 185 | } |
63e8c70e DM |
186 | next; |
187 | } | |
188 | ||
189 | if ($rule =~ s/^-m set --match-set (\S+) dst\s*//) { | |
190 | die "missing destination" if !$pkg->{dest}; | |
ca1a5a39 DM |
191 | my $ipset_name = $1; |
192 | return undef if !ipset_match($ipset_ruleset, $ipset_name, $pkg->{dest}); | |
63e8c70e DM |
193 | next; |
194 | } | |
195 | ||
196 | if ($rule =~ s/^-m mac ! --mac-source (\S+)\s*//) { | |
197 | die "missing source mac" if !$pkg->{mac_source}; | |
198 | return undef if $pkg->{mac_source} eq $1; # no match | |
199 | next; | |
200 | } | |
201 | ||
202 | if ($rule =~ s/^-m physdev --physdev-is-bridged --physdev-in (\S+)\s*//) { | |
203 | my $devre = $1; | |
204 | return undef if !$pkg->{physdev_in}; | |
205 | return undef if !nf_dev_match($devre, $pkg->{physdev_in}); | |
206 | next; | |
207 | } | |
208 | ||
209 | if ($rule =~ s/^-m physdev --physdev-is-bridged --physdev-out (\S+)\s*//) { | |
210 | my $devre = $1; | |
211 | return undef if !$pkg->{physdev_out}; | |
212 | return undef if !nf_dev_match($devre, $pkg->{physdev_out}); | |
213 | next; | |
214 | } | |
215 | ||
fe3d79b4 WB |
216 | if ($rule =~ s@^-m mark --mark ($NUMBER_RE)(?:/($NUMBER_RE))?\s*@@) { |
217 | my ($value, $mask) = PVE::Firewall::get_mark_values($1, $2); | |
218 | return undef if !defined($mark) || ($mark & $mask) != $value; | |
63e8c70e DM |
219 | next; |
220 | } | |
221 | ||
222 | # final actions | |
223 | ||
fe3d79b4 WB |
224 | if ($rule =~ s@^-j MARK --set-mark ($NUMBER_RE)(?:/($NUMBER_RE))?\s*$@@) { |
225 | my ($value, $mask) = PVE::Firewall::get_mark_values($1, $2); | |
226 | $mark = ($mark & ~$mask) | $value; | |
63e8c70e DM |
227 | return undef; |
228 | } | |
229 | ||
230 | if ($rule =~ s/^-j (\S+)\s*$//) { | |
231 | return (0, $1); | |
232 | } | |
233 | ||
234 | if ($rule =~ s/^-g (\S+)\s*$//) { | |
235 | return (1, $1); | |
236 | } | |
237 | ||
238 | if ($rule =~ s/^-j NFLOG --nflog-prefix \"[^\"]+\"$//) { | |
239 | return undef; | |
240 | } | |
241 | ||
242 | last; | |
243 | } | |
244 | ||
245 | die "unable to parse rule: $rule"; | |
246 | } | |
247 | ||
248 | sub ruleset_simulate_chain { | |
249 | my ($ruleset, $ipset_ruleset, $chain, $pkg) = @_; | |
250 | ||
251 | add_trace("ENTER chain $chain\n"); | |
252 | ||
253 | my $counter = 0; | |
254 | ||
255 | if ($chain eq 'PVEFW-Drop') { | |
256 | add_trace("LEAVE chain $chain\n"); | |
257 | return ('DROP', $counter); | |
258 | } | |
259 | if ($chain eq 'PVEFW-reject') { | |
260 | add_trace("LEAVE chain $chain\n"); | |
261 | return ('REJECT', $counter); | |
262 | } | |
263 | ||
264 | if ($chain eq 'PVEFW-tcpflags') { | |
265 | add_trace("LEAVE chain $chain\n"); | |
266 | return (undef, $counter); | |
267 | } | |
268 | ||
269 | my $rules = $ruleset->{$chain} || | |
270 | die "no such chain '$chain'"; | |
271 | ||
272 | foreach my $rule (@$rules) { | |
273 | $counter++; | |
274 | my ($goto, $action) = rule_match($ipset_ruleset, $chain, $rule, $pkg); | |
275 | if (!defined($action)) { | |
276 | add_trace("SKIP: $rule\n"); | |
277 | next; | |
278 | } | |
279 | add_trace("MATCH: $rule\n"); | |
280 | ||
281 | if ($action eq 'ACCEPT' || $action eq 'DROP' || $action eq 'REJECT') { | |
282 | add_trace("TERMINATE chain $chain: $action\n"); | |
283 | return ($action, $counter); | |
284 | } elsif ($action eq 'RETURN') { | |
285 | add_trace("RETURN FROM chain $chain\n"); | |
286 | last; | |
287 | } else { | |
288 | if ($goto) { | |
289 | add_trace("LEAVE chain $chain - goto $action\n"); | |
290 | return ruleset_simulate_chain($ruleset, $ipset_ruleset, $action, $pkg) | |
291 | #$chain = $action; | |
292 | #$rules = $ruleset->{$chain} || die "no such chain '$chain'"; | |
293 | } else { | |
294 | my ($act, $ctr) = ruleset_simulate_chain($ruleset, $ipset_ruleset, $action, $pkg); | |
295 | $counter += $ctr; | |
296 | return ($act, $counter) if $act; | |
297 | add_trace("CONTINUE chain $chain\n"); | |
298 | } | |
299 | } | |
300 | } | |
301 | ||
302 | add_trace("LEAVE chain $chain\n"); | |
303 | if ($chain =~ m/^PVEFW-(INPUT|OUTPUT|FORWARD)$/) { | |
304 | return ('ACCEPT', $counter); # default policy | |
305 | } | |
306 | ||
307 | return (undef, $counter); | |
308 | } | |
309 | ||
310 | sub copy_packet { | |
311 | my ($pkg) = @_; | |
312 | ||
313 | my $res = {}; | |
314 | ||
315 | while (my ($k,$v) = each %$pkg) { | |
316 | $res->{$k} = $v; | |
317 | } | |
318 | ||
319 | return $res; | |
320 | } | |
321 | ||
322 | # Try to simulate packet traversal inside kernel. This invokes iptable | |
323 | # checks several times. | |
324 | sub route_packet { | |
325 | my ($ruleset, $ipset_ruleset, $pkg, $from_info, $target, $start_state) = @_; | |
326 | ||
ca1a5a39 DM |
327 | $pkg->{ipversion} = 4; # fixme: allow ipv6 |
328 | ||
63e8c70e DM |
329 | my $route_state = $start_state; |
330 | ||
331 | my $physdev_in; | |
332 | ||
333 | my $ipt_invocation_counter = 0; | |
334 | my $rule_check_counter = 0; | |
335 | ||
336 | while ($route_state ne $target->{iface}) { | |
337 | ||
338 | my $chain; | |
339 | my $next_route_state; | |
340 | my $next_physdev_in; | |
341 | ||
342 | $pkg->{iface_in} = $pkg->{iface_out} = undef; | |
343 | $pkg->{physdev_in} = $pkg->{physdev_out} = undef; | |
344 | ||
345 | if ($route_state eq 'from-bport') { | |
346 | $next_route_state = $from_info->{bridge} || die 'internal error'; | |
347 | $next_physdev_in = $from_info->{iface} || die 'internal error'; | |
348 | } elsif ($route_state eq 'host') { | |
349 | ||
350 | if ($target->{type} eq 'bport') { | |
351 | $pkg->{iface_in} = 'lo'; | |
352 | $pkg->{iface_out} = $target->{bridge} || die 'internal error'; | |
353 | $chain = 'PVEFW-OUTPUT'; | |
354 | $next_route_state = $target->{iface} || die 'internal error'; | |
e038c485 | 355 | } elsif ($target->{type} eq 'vm' || $target->{type} eq 'ct') { |
63e8c70e DM |
356 | $pkg->{iface_in} = 'lo'; |
357 | $pkg->{iface_out} = $target->{bridge} || die 'internal error'; | |
358 | $chain = 'PVEFW-OUTPUT'; | |
359 | $next_route_state = 'fwbr-in'; | |
360 | } else { | |
361 | die "implement me"; | |
362 | } | |
363 | ||
63e8c70e DM |
364 | } elsif ($route_state eq 'fwbr-out') { |
365 | ||
366 | $chain = 'PVEFW-FORWARD'; | |
367 | $next_route_state = $from_info->{bridge} || die 'internal error'; | |
368 | $next_physdev_in = $from_info->{fwpr} || die 'internal error'; | |
369 | $pkg->{iface_in} = $from_info->{fwbr} || die 'internal error'; | |
370 | $pkg->{iface_out} = $from_info->{fwbr} || die 'internal error'; | |
371 | $pkg->{physdev_in} = $from_info->{tapdev} || die 'internal error'; | |
372 | $pkg->{physdev_out} = $from_info->{fwln} || die 'internal error'; | |
373 | ||
374 | } elsif ($route_state eq 'fwbr-in') { | |
375 | ||
376 | $chain = 'PVEFW-FORWARD'; | |
377 | $next_route_state = $target->{tapdev}; | |
378 | $pkg->{iface_in} = $target->{fwbr} || die 'internal error'; | |
379 | $pkg->{iface_out} = $target->{fwbr} || die 'internal error'; | |
380 | $pkg->{physdev_in} = $target->{fwln} || die 'internal error'; | |
381 | $pkg->{physdev_out} = $target->{tapdev} || die 'internal error'; | |
382 | ||
383 | } elsif ($route_state =~ m/^vmbr\d+$/) { | |
384 | ||
385 | die "missing physdev_in - internal error?" if !$physdev_in; | |
386 | $pkg->{physdev_in} = $physdev_in; | |
387 | ||
388 | if ($target->{type} eq 'host') { | |
389 | ||
390 | $chain = 'PVEFW-INPUT'; | |
391 | $pkg->{iface_in} = $route_state; | |
392 | $pkg->{iface_out} = 'lo'; | |
393 | $next_route_state = 'host'; | |
394 | ||
395 | } elsif ($target->{type} eq 'bport') { | |
396 | ||
397 | $chain = 'PVEFW-FORWARD'; | |
398 | $pkg->{iface_in} = $route_state; | |
399 | $pkg->{iface_out} = $target->{bridge} || die 'internal error'; | |
400 | # conditionally set physdev_out (same behavior as kernel) | |
401 | if ($route_state eq $target->{bridge}) { | |
402 | $pkg->{physdev_out} = $target->{iface} || die 'internal error'; | |
403 | } | |
404 | $next_route_state = $target->{iface}; | |
405 | ||
e038c485 | 406 | } elsif ($target->{type} eq 'vm' || $target->{type} eq 'ct') { |
63e8c70e DM |
407 | |
408 | $chain = 'PVEFW-FORWARD'; | |
409 | $pkg->{iface_in} = $route_state; | |
410 | $pkg->{iface_out} = $target->{bridge}; | |
411 | # conditionally set physdev_out (same behavior as kernel) | |
412 | if ($route_state eq $target->{bridge}) { | |
413 | $pkg->{physdev_out} = $target->{fwpr} || die 'internal error'; | |
414 | } | |
415 | $next_route_state = 'fwbr-in'; | |
416 | ||
417 | } else { | |
418 | die "implement me"; | |
419 | } | |
420 | ||
421 | } else { | |
422 | die "implement me $route_state"; | |
423 | } | |
424 | ||
425 | die "internal error" if !defined($next_route_state); | |
426 | ||
427 | if ($chain) { | |
428 | add_trace("IPT check at $route_state (chain $chain)\n"); | |
429 | add_trace(Dumper($pkg)); | |
430 | $ipt_invocation_counter++; | |
431 | my ($res, $ctr) = ruleset_simulate_chain($ruleset, $ipset_ruleset, $chain, $pkg); | |
432 | $rule_check_counter += $ctr; | |
433 | return ($res, $ipt_invocation_counter, $rule_check_counter) if $res ne 'ACCEPT'; | |
434 | } | |
435 | ||
436 | $route_state = $next_route_state; | |
437 | ||
438 | $physdev_in = $next_physdev_in; | |
439 | } | |
440 | ||
441 | return ('ACCEPT', $ipt_invocation_counter, $rule_check_counter); | |
442 | } | |
443 | ||
444 | sub extract_ct_info { | |
e038c485 | 445 | my ($vmdata, $vmid, $netnum) = @_; |
63e8c70e DM |
446 | |
447 | my $info = { type => 'ct', vmid => $vmid }; | |
448 | ||
e038c485 | 449 | my $conf = $vmdata->{lxc}->{$vmid} || die "no such CT '$vmid'"; |
a7c85d56 | 450 | my $net = PVE::LXC::Config->parse_lxc_network($conf->{"net$netnum"}); |
e038c485 DM |
451 | $info->{macaddr} = $net->{hwaddr} || die "unable to get mac address"; |
452 | $info->{bridge} = $net->{bridge} || die "unable to get bridge"; | |
453 | $info->{fwbr} = "fwbr${vmid}i$netnum"; | |
454 | $info->{tapdev} = "veth${vmid}i$netnum"; | |
455 | $info->{fwln} = "fwln${vmid}i$netnum"; | |
456 | $info->{fwpr} = "fwpr${vmid}p$netnum"; | |
457 | $info->{ip_address} = $net->{ip} || die "unable to get ip address"; | |
458 | ||
63e8c70e DM |
459 | return $info; |
460 | } | |
461 | ||
462 | sub extract_vm_info { | |
b625713b | 463 | my ($vmdata, $vmid, $netnum) = @_; |
63e8c70e DM |
464 | |
465 | my $info = { type => 'vm', vmid => $vmid }; | |
466 | ||
467 | my $conf = $vmdata->{qemu}->{$vmid} || die "no such VM '$vmid'"; | |
b625713b | 468 | my $net = PVE::QemuServer::parse_net($conf->{"net$netnum"}); |
63e8c70e DM |
469 | $info->{macaddr} = $net->{macaddr} || die "unable to get mac address"; |
470 | $info->{bridge} = $net->{bridge} || die "unable to get bridge"; | |
b625713b DM |
471 | $info->{fwbr} = "fwbr${vmid}i$netnum"; |
472 | $info->{tapdev} = "tap${vmid}i$netnum"; | |
473 | $info->{fwln} = "fwln${vmid}i$netnum"; | |
474 | $info->{fwpr} = "fwpr${vmid}p$netnum"; | |
63e8c70e DM |
475 | |
476 | return $info; | |
477 | } | |
478 | ||
479 | sub simulate_firewall { | |
480 | my ($ruleset, $ipset_ruleset, $host_ip, $vmdata, $test) = @_; | |
481 | ||
482 | my $from = $test->{from} || die "missing 'from' field"; | |
483 | my $to = $test->{to} || die "missing 'to' field"; | |
484 | my $action = $test->{action} || die "missing 'action'"; | |
485 | ||
486 | my $testid = $test->{id}; | |
487 | ||
488 | die "from/to needs to be different" if $from eq $to; | |
489 | ||
490 | my $pkg = { | |
491 | proto => 'tcp', | |
492 | sport => undef, | |
493 | dport => undef, | |
494 | source => undef, | |
495 | dest => undef, | |
496 | srctype => 'UNICAST', | |
497 | dsttype => 'UNICAST', | |
498 | }; | |
499 | ||
500 | while (my ($k,$v) = each %$test) { | |
501 | next if $k eq 'from'; | |
502 | next if $k eq 'to'; | |
503 | next if $k eq 'action'; | |
504 | next if $k eq 'id'; | |
505 | die "unknown attribute '$k'\n" if !exists($pkg->{$k}); | |
506 | $pkg->{$k} = $v; | |
507 | } | |
508 | ||
509 | my $from_info = {}; | |
510 | ||
511 | my $start_state; | |
512 | ||
513 | if ($from eq 'host') { | |
514 | $from_info->{type} = 'host'; | |
515 | $start_state = 'host'; | |
516 | $pkg->{source} = $host_ip if !defined($pkg->{source}); | |
517 | } elsif ($from =~ m|^(vmbr\d+)/(\S+)$|) { | |
518 | $from_info->{type} = 'bport'; | |
519 | $from_info->{bridge} = $1; | |
520 | $from_info->{iface} = $2; | |
521 | $start_state = 'from-bport'; | |
522 | } elsif ($from eq 'outside') { | |
523 | $from_info->{type} = 'bport'; | |
524 | $from_info->{bridge} = 'vmbr0'; | |
525 | $from_info->{iface} = 'eth0'; | |
526 | $start_state = 'from-bport'; | |
527 | } elsif ($from eq 'nfvm') { | |
528 | $from_info->{type} = 'bport'; | |
529 | $from_info->{bridge} = 'vmbr0'; | |
530 | $from_info->{iface} = 'tapXYZ'; | |
531 | $start_state = 'from-bport'; | |
532 | } elsif ($from =~ m/^ct(\d+)$/) { | |
533 | my $vmid = $1; | |
e038c485 DM |
534 | $from_info = extract_ct_info($vmdata, $vmid, 0); |
535 | $start_state = 'fwbr-out'; | |
536 | $pkg->{mac_source} = $from_info->{macaddr}; | |
b625713b | 537 | } elsif ($from =~ m/^vm(\d+)(i(\d))?$/) { |
63e8c70e | 538 | my $vmid = $1; |
b625713b DM |
539 | my $netnum = $3 || 0; |
540 | $from_info = extract_vm_info($vmdata, $vmid, $netnum); | |
63e8c70e DM |
541 | $start_state = 'fwbr-out'; |
542 | $pkg->{mac_source} = $from_info->{macaddr}; | |
543 | } else { | |
544 | die "unable to parse \"from => '$from'\"\n"; | |
545 | } | |
546 | ||
547 | my $target; | |
548 | ||
549 | if ($to eq 'host') { | |
550 | $target->{type} = 'host'; | |
551 | $target->{iface} = 'host'; | |
552 | $pkg->{dest} = $host_ip if !defined($pkg->{dest}); | |
553 | } elsif ($to =~ m|^(vmbr\d+)/(\S+)$|) { | |
554 | $target->{type} = 'bport'; | |
555 | $target->{bridge} = $1; | |
556 | $target->{iface} = $2; | |
557 | } elsif ($to eq 'outside') { | |
558 | $target->{type} = 'bport'; | |
559 | $target->{bridge} = 'vmbr0'; | |
560 | $target->{iface} = 'eth0'; | |
561 | } elsif ($to eq 'nfvm') { | |
562 | $target->{type} = 'bport'; | |
563 | $target->{bridge} = 'vmbr0'; | |
564 | $target->{iface} = 'tapXYZ'; | |
565 | } elsif ($to =~ m/^ct(\d+)$/) { | |
566 | my $vmid = $1; | |
e038c485 DM |
567 | $target = extract_ct_info($vmdata, $vmid, 0); |
568 | $target->{iface} = $target->{tapdev}; | |
63e8c70e DM |
569 | } elsif ($to =~ m/^vm(\d+)$/) { |
570 | my $vmid = $1; | |
b625713b | 571 | $target = extract_vm_info($vmdata, $vmid, 0); |
63e8c70e DM |
572 | $target->{iface} = $target->{tapdev}; |
573 | } else { | |
574 | die "unable to parse \"to => '$to'\"\n"; | |
575 | } | |
576 | ||
577 | $pkg->{source} = '100.100.1.2' if !defined($pkg->{source}); | |
578 | $pkg->{dest} = '100.200.3.4' if !defined($pkg->{dest}); | |
579 | ||
580 | my ($res, $ic, $rc) = route_packet($ruleset, $ipset_ruleset, $pkg, | |
581 | $from_info, $target, $start_state); | |
582 | ||
583 | add_trace("IPT statistics: invocation = $ic, checks = $rc\n"); | |
584 | ||
814de832 DM |
585 | return $res if $action eq 'QUERY'; |
586 | ||
63e8c70e DM |
587 | die "test failed ($res != $action)\n" if $action ne $res; |
588 | ||
589 | return undef; | |
590 | } | |
591 | ||
592 | 1; | |
593 |