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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; | |
09e11ad4 WB |
9 | |
10 | # dynamically include PVE::QemuServer and PVE::LXC | |
11 | # to avoid dependency problems | |
12 | my $have_qemu_server; | |
13 | eval { | |
14 | require PVE::QemuServer; | |
15 | $have_qemu_server = 1; | |
16 | }; | |
17 | ||
18 | my $have_lxc; | |
19 | eval { | |
20 | require PVE::LXC; | |
21 | $have_lxc = 1; | |
22 | }; | |
63e8c70e DM |
23 | |
24 | my $mark; | |
25 | my $trace; | |
26 | my $debug = 0; | |
27 | ||
fe3d79b4 WB |
28 | my $NUMBER_RE = qr/0x[0-9a-fA-F]+|\d+/; |
29 | ||
63e8c70e DM |
30 | sub debug { |
31 | my $new_value = shift; | |
32 | ||
33 | $debug = $new_value if defined($new_value); | |
34 | ||
35 | return $debug; | |
36 | } | |
37 | ||
38 | sub reset_trace { | |
39 | $trace = ''; | |
40 | } | |
41 | ||
42 | sub get_trace { | |
43 | return $trace; | |
44 | } | |
45 | ||
46 | sub add_trace { | |
47 | my ($text) = @_; | |
48 | ||
49 | if ($debug) { | |
50 | print $text; | |
51 | } else { | |
52 | $trace .= $text; | |
53 | } | |
54 | } | |
55 | ||
49124851 DM |
56 | $SIG{'__WARN__'} = sub { |
57 | my $err = $@; | |
58 | my $t = $_[0]; | |
59 | chomp $t; | |
60 | add_trace("$t\n"); | |
61 | $@ = $err; | |
62 | }; | |
63 | ||
63e8c70e DM |
64 | sub nf_dev_match { |
65 | my ($devre, $dev) = @_; | |
66 | ||
67 | $devre =~ s/\+$/\.\*/; | |
68 | return ($dev =~ m/^${devre}$/) ? 1 : 0; | |
69 | } | |
70 | ||
71 | sub ipset_match { | |
ca1a5a39 DM |
72 | my ($ipset_ruleset, $ipsetname, $ipaddr) = @_; |
73 | ||
74 | my $ipset = $ipset_ruleset->{$ipsetname}; | |
75 | die "no such ipset '$ipsetname'" if !$ipset; | |
63e8c70e DM |
76 | |
77 | my $ip = Net::IP->new($ipaddr); | |
78 | ||
ca1a5a39 DM |
79 | my $first = $ipset->[0]; |
80 | if ($first =~ m/^create\s+\S+\s+list:/) { | |
81 | foreach my $entry (@$ipset) { | |
82 | next if $entry =~ m/^create/; # simply ignore | |
83 | if ($entry =~ m/add \S+ (\S+)$/) { | |
84 | return 1 if ipset_match($ipset_ruleset, $1, $ipaddr); | |
85 | } else { | |
86 | die "implement me"; | |
87 | } | |
88 | } | |
89 | return 0; | |
90 | } elsif ($first =~ m/^create\s+\S+\s+hash:net/) { | |
91 | foreach my $entry (@$ipset) { | |
92 | next if $entry =~ m/^create/; # simply ignore | |
93 | if ($entry =~ m/add \S+ (\S+)$/) { | |
94 | my $test = Net::IP->new($1); | |
95 | if ($test->overlaps($ip)) { | |
96 | add_trace("IPSET $ipsetname match $ipaddr\n"); | |
97 | return 1; | |
98 | } | |
99 | } else { | |
100 | die "implement me"; | |
63e8c70e | 101 | } |
63e8c70e | 102 | } |
ca1a5a39 DM |
103 | return 0; |
104 | } else { | |
105 | die "unknown ipset type '$first' - not implemented\n"; | |
63e8c70e DM |
106 | } |
107 | ||
108 | return 0; | |
109 | } | |
110 | ||
111 | sub rule_match { | |
112 | my ($ipset_ruleset, $chain, $rule, $pkg) = @_; | |
113 | ||
1e9c5070 | 114 | $rule =~ s/^-A $chain +// || die "got strange rule: $rule"; |
63e8c70e DM |
115 | |
116 | while (length($rule)) { | |
117 | ||
118 | if ($rule =~ s/^-m conntrack --ctstate (\S+)\s*//) { | |
119 | my $cstate = $1; | |
120 | ||
121 | return undef if $cstate eq 'INVALID'; # no match | |
122 | return undef if $cstate eq 'RELATED,ESTABLISHED'; # no match | |
123 | ||
124 | next if $cstate =~ m/NEW/; | |
125 | ||
e76a9f53 | 126 | die "cstate test '$cstate' not implemented\n"; |
63e8c70e DM |
127 | } |
128 | ||
129 | if ($rule =~ s/^-m addrtype --src-type (\S+)\s*//) { | |
130 | my $atype = $1; | |
e76a9f53 DM |
131 | die "missing source address type (srctype)\n" |
132 | if !$pkg->{srctype}; | |
63e8c70e DM |
133 | return undef if $atype ne $pkg->{srctype}; |
134 | } | |
135 | ||
136 | if ($rule =~ s/^-m addrtype --dst-type (\S+)\s*//) { | |
137 | my $atype = $1; | |
e76a9f53 DM |
138 | die "missing destination address type (dsttype)\n" |
139 | if !$pkg->{dsttype}; | |
63e8c70e DM |
140 | return undef if $atype ne $pkg->{dsttype}; |
141 | } | |
142 | ||
143 | if ($rule =~ s/^-i (\S+)\s*//) { | |
144 | my $devre = $1; | |
e76a9f53 | 145 | die "missing interface (iface_in)\n" if !$pkg->{iface_in}; |
63e8c70e DM |
146 | return undef if !nf_dev_match($devre, $pkg->{iface_in}); |
147 | next; | |
148 | } | |
149 | ||
150 | if ($rule =~ s/^-o (\S+)\s*//) { | |
151 | my $devre = $1; | |
e76a9f53 | 152 | die "missing interface (iface_out)\n" if !$pkg->{iface_out}; |
63e8c70e DM |
153 | return undef if !nf_dev_match($devre, $pkg->{iface_out}); |
154 | next; | |
155 | } | |
156 | ||
cc8dc02f | 157 | if ($rule =~ s/^-p (tcp|udp|igmp|icmp)\s*//) { |
63e8c70e DM |
158 | die "missing proto" if !$pkg->{proto}; |
159 | return undef if $pkg->{proto} ne $1; # no match | |
160 | next; | |
161 | } | |
162 | ||
163 | if ($rule =~ s/^--dport (\d+):(\d+)\s*//) { | |
164 | die "missing dport" if !$pkg->{dport}; | |
165 | return undef if ($pkg->{dport} < $1) || ($pkg->{dport} > $2); # no match | |
166 | next; | |
167 | } | |
168 | ||
169 | if ($rule =~ s/^--dport (\d+)\s*//) { | |
170 | die "missing dport" if !$pkg->{dport}; | |
171 | return undef if $pkg->{dport} != $1; # no match | |
172 | next; | |
173 | } | |
174 | ||
175 | if ($rule =~ s/^-s (\S+)\s*//) { | |
176 | die "missing source" if !$pkg->{source}; | |
177 | my $ip = Net::IP->new($1); | |
178 | return undef if !$ip->overlaps(Net::IP->new($pkg->{source})); # no match | |
179 | next; | |
180 | } | |
181 | ||
182 | if ($rule =~ s/^-d (\S+)\s*//) { | |
183 | die "missing destination" if !$pkg->{dest}; | |
184 | my $ip = Net::IP->new($1); | |
185 | return undef if !$ip->overlaps(Net::IP->new($pkg->{dest})); # no match | |
186 | next; | |
187 | } | |
188 | ||
b625713b | 189 | if ($rule =~ s/^-m set (!\s+)?--match-set (\S+) src\s*//) { |
63e8c70e | 190 | die "missing source" if !$pkg->{source}; |
b625713b | 191 | my $neg = $1; |
ca1a5a39 | 192 | my $ipset_name = $2; |
b625713b | 193 | if ($neg) { |
ca1a5a39 | 194 | return undef if ipset_match($ipset_ruleset, $ipset_name, $pkg->{source}); |
b625713b | 195 | } else { |
ca1a5a39 | 196 | return undef if !ipset_match($ipset_ruleset, $ipset_name, $pkg->{source}); |
b625713b | 197 | } |
63e8c70e DM |
198 | next; |
199 | } | |
200 | ||
201 | if ($rule =~ s/^-m set --match-set (\S+) dst\s*//) { | |
202 | die "missing destination" if !$pkg->{dest}; | |
ca1a5a39 DM |
203 | my $ipset_name = $1; |
204 | return undef if !ipset_match($ipset_ruleset, $ipset_name, $pkg->{dest}); | |
63e8c70e DM |
205 | next; |
206 | } | |
207 | ||
208 | if ($rule =~ s/^-m mac ! --mac-source (\S+)\s*//) { | |
209 | die "missing source mac" if !$pkg->{mac_source}; | |
210 | return undef if $pkg->{mac_source} eq $1; # no match | |
211 | next; | |
212 | } | |
213 | ||
214 | if ($rule =~ s/^-m physdev --physdev-is-bridged --physdev-in (\S+)\s*//) { | |
215 | my $devre = $1; | |
216 | return undef if !$pkg->{physdev_in}; | |
217 | return undef if !nf_dev_match($devre, $pkg->{physdev_in}); | |
218 | next; | |
219 | } | |
220 | ||
221 | if ($rule =~ s/^-m physdev --physdev-is-bridged --physdev-out (\S+)\s*//) { | |
222 | my $devre = $1; | |
223 | return undef if !$pkg->{physdev_out}; | |
224 | return undef if !nf_dev_match($devre, $pkg->{physdev_out}); | |
225 | next; | |
226 | } | |
227 | ||
fe3d79b4 WB |
228 | if ($rule =~ s@^-m mark --mark ($NUMBER_RE)(?:/($NUMBER_RE))?\s*@@) { |
229 | my ($value, $mask) = PVE::Firewall::get_mark_values($1, $2); | |
230 | return undef if !defined($mark) || ($mark & $mask) != $value; | |
63e8c70e DM |
231 | next; |
232 | } | |
233 | ||
234 | # final actions | |
235 | ||
fe3d79b4 WB |
236 | if ($rule =~ s@^-j MARK --set-mark ($NUMBER_RE)(?:/($NUMBER_RE))?\s*$@@) { |
237 | my ($value, $mask) = PVE::Firewall::get_mark_values($1, $2); | |
238 | $mark = ($mark & ~$mask) | $value; | |
63e8c70e DM |
239 | return undef; |
240 | } | |
241 | ||
242 | if ($rule =~ s/^-j (\S+)\s*$//) { | |
243 | return (0, $1); | |
244 | } | |
245 | ||
246 | if ($rule =~ s/^-g (\S+)\s*$//) { | |
247 | return (1, $1); | |
248 | } | |
249 | ||
250 | if ($rule =~ s/^-j NFLOG --nflog-prefix \"[^\"]+\"$//) { | |
251 | return undef; | |
252 | } | |
253 | ||
254 | last; | |
255 | } | |
256 | ||
257 | die "unable to parse rule: $rule"; | |
258 | } | |
259 | ||
260 | sub ruleset_simulate_chain { | |
261 | my ($ruleset, $ipset_ruleset, $chain, $pkg) = @_; | |
262 | ||
263 | add_trace("ENTER chain $chain\n"); | |
264 | ||
265 | my $counter = 0; | |
266 | ||
267 | if ($chain eq 'PVEFW-Drop') { | |
268 | add_trace("LEAVE chain $chain\n"); | |
269 | return ('DROP', $counter); | |
270 | } | |
271 | if ($chain eq 'PVEFW-reject') { | |
272 | add_trace("LEAVE chain $chain\n"); | |
273 | return ('REJECT', $counter); | |
274 | } | |
275 | ||
276 | if ($chain eq 'PVEFW-tcpflags') { | |
277 | add_trace("LEAVE chain $chain\n"); | |
278 | return (undef, $counter); | |
279 | } | |
280 | ||
281 | my $rules = $ruleset->{$chain} || | |
282 | die "no such chain '$chain'"; | |
283 | ||
284 | foreach my $rule (@$rules) { | |
285 | $counter++; | |
286 | my ($goto, $action) = rule_match($ipset_ruleset, $chain, $rule, $pkg); | |
287 | if (!defined($action)) { | |
288 | add_trace("SKIP: $rule\n"); | |
289 | next; | |
290 | } | |
291 | add_trace("MATCH: $rule\n"); | |
292 | ||
293 | if ($action eq 'ACCEPT' || $action eq 'DROP' || $action eq 'REJECT') { | |
294 | add_trace("TERMINATE chain $chain: $action\n"); | |
295 | return ($action, $counter); | |
296 | } elsif ($action eq 'RETURN') { | |
297 | add_trace("RETURN FROM chain $chain\n"); | |
298 | last; | |
299 | } else { | |
300 | if ($goto) { | |
301 | add_trace("LEAVE chain $chain - goto $action\n"); | |
302 | return ruleset_simulate_chain($ruleset, $ipset_ruleset, $action, $pkg) | |
303 | #$chain = $action; | |
304 | #$rules = $ruleset->{$chain} || die "no such chain '$chain'"; | |
305 | } else { | |
306 | my ($act, $ctr) = ruleset_simulate_chain($ruleset, $ipset_ruleset, $action, $pkg); | |
307 | $counter += $ctr; | |
308 | return ($act, $counter) if $act; | |
309 | add_trace("CONTINUE chain $chain\n"); | |
310 | } | |
311 | } | |
312 | } | |
313 | ||
314 | add_trace("LEAVE chain $chain\n"); | |
315 | if ($chain =~ m/^PVEFW-(INPUT|OUTPUT|FORWARD)$/) { | |
316 | return ('ACCEPT', $counter); # default policy | |
317 | } | |
318 | ||
319 | return (undef, $counter); | |
320 | } | |
321 | ||
322 | sub copy_packet { | |
323 | my ($pkg) = @_; | |
324 | ||
325 | my $res = {}; | |
326 | ||
327 | while (my ($k,$v) = each %$pkg) { | |
328 | $res->{$k} = $v; | |
329 | } | |
330 | ||
331 | return $res; | |
332 | } | |
333 | ||
334 | # Try to simulate packet traversal inside kernel. This invokes iptable | |
335 | # checks several times. | |
336 | sub route_packet { | |
337 | my ($ruleset, $ipset_ruleset, $pkg, $from_info, $target, $start_state) = @_; | |
338 | ||
ca1a5a39 DM |
339 | $pkg->{ipversion} = 4; # fixme: allow ipv6 |
340 | ||
63e8c70e DM |
341 | my $route_state = $start_state; |
342 | ||
343 | my $physdev_in; | |
344 | ||
345 | my $ipt_invocation_counter = 0; | |
346 | my $rule_check_counter = 0; | |
347 | ||
348 | while ($route_state ne $target->{iface}) { | |
349 | ||
350 | my $chain; | |
351 | my $next_route_state; | |
352 | my $next_physdev_in; | |
353 | ||
354 | $pkg->{iface_in} = $pkg->{iface_out} = undef; | |
355 | $pkg->{physdev_in} = $pkg->{physdev_out} = undef; | |
356 | ||
357 | if ($route_state eq 'from-bport') { | |
358 | $next_route_state = $from_info->{bridge} || die 'internal error'; | |
359 | $next_physdev_in = $from_info->{iface} || die 'internal error'; | |
360 | } elsif ($route_state eq 'host') { | |
361 | ||
362 | if ($target->{type} eq 'bport') { | |
363 | $pkg->{iface_in} = 'lo'; | |
364 | $pkg->{iface_out} = $target->{bridge} || die 'internal error'; | |
365 | $chain = 'PVEFW-OUTPUT'; | |
366 | $next_route_state = $target->{iface} || die 'internal error'; | |
e038c485 | 367 | } elsif ($target->{type} eq 'vm' || $target->{type} eq 'ct') { |
63e8c70e DM |
368 | $pkg->{iface_in} = 'lo'; |
369 | $pkg->{iface_out} = $target->{bridge} || die 'internal error'; | |
370 | $chain = 'PVEFW-OUTPUT'; | |
371 | $next_route_state = 'fwbr-in'; | |
372 | } else { | |
373 | die "implement me"; | |
374 | } | |
375 | ||
63e8c70e DM |
376 | } elsif ($route_state eq 'fwbr-out') { |
377 | ||
378 | $chain = 'PVEFW-FORWARD'; | |
379 | $next_route_state = $from_info->{bridge} || die 'internal error'; | |
380 | $next_physdev_in = $from_info->{fwpr} || die 'internal error'; | |
381 | $pkg->{iface_in} = $from_info->{fwbr} || die 'internal error'; | |
382 | $pkg->{iface_out} = $from_info->{fwbr} || die 'internal error'; | |
383 | $pkg->{physdev_in} = $from_info->{tapdev} || die 'internal error'; | |
384 | $pkg->{physdev_out} = $from_info->{fwln} || die 'internal error'; | |
385 | ||
386 | } elsif ($route_state eq 'fwbr-in') { | |
387 | ||
388 | $chain = 'PVEFW-FORWARD'; | |
389 | $next_route_state = $target->{tapdev}; | |
390 | $pkg->{iface_in} = $target->{fwbr} || die 'internal error'; | |
391 | $pkg->{iface_out} = $target->{fwbr} || die 'internal error'; | |
392 | $pkg->{physdev_in} = $target->{fwln} || die 'internal error'; | |
393 | $pkg->{physdev_out} = $target->{tapdev} || die 'internal error'; | |
394 | ||
395 | } elsif ($route_state =~ m/^vmbr\d+$/) { | |
396 | ||
397 | die "missing physdev_in - internal error?" if !$physdev_in; | |
398 | $pkg->{physdev_in} = $physdev_in; | |
399 | ||
400 | if ($target->{type} eq 'host') { | |
401 | ||
402 | $chain = 'PVEFW-INPUT'; | |
403 | $pkg->{iface_in} = $route_state; | |
404 | $pkg->{iface_out} = 'lo'; | |
405 | $next_route_state = 'host'; | |
406 | ||
407 | } elsif ($target->{type} eq 'bport') { | |
408 | ||
409 | $chain = 'PVEFW-FORWARD'; | |
410 | $pkg->{iface_in} = $route_state; | |
411 | $pkg->{iface_out} = $target->{bridge} || die 'internal error'; | |
412 | # conditionally set physdev_out (same behavior as kernel) | |
413 | if ($route_state eq $target->{bridge}) { | |
414 | $pkg->{physdev_out} = $target->{iface} || die 'internal error'; | |
415 | } | |
416 | $next_route_state = $target->{iface}; | |
417 | ||
e038c485 | 418 | } elsif ($target->{type} eq 'vm' || $target->{type} eq 'ct') { |
63e8c70e DM |
419 | |
420 | $chain = 'PVEFW-FORWARD'; | |
421 | $pkg->{iface_in} = $route_state; | |
422 | $pkg->{iface_out} = $target->{bridge}; | |
423 | # conditionally set physdev_out (same behavior as kernel) | |
424 | if ($route_state eq $target->{bridge}) { | |
425 | $pkg->{physdev_out} = $target->{fwpr} || die 'internal error'; | |
426 | } | |
427 | $next_route_state = 'fwbr-in'; | |
428 | ||
429 | } else { | |
430 | die "implement me"; | |
431 | } | |
432 | ||
433 | } else { | |
434 | die "implement me $route_state"; | |
435 | } | |
436 | ||
437 | die "internal error" if !defined($next_route_state); | |
438 | ||
439 | if ($chain) { | |
440 | add_trace("IPT check at $route_state (chain $chain)\n"); | |
441 | add_trace(Dumper($pkg)); | |
442 | $ipt_invocation_counter++; | |
443 | my ($res, $ctr) = ruleset_simulate_chain($ruleset, $ipset_ruleset, $chain, $pkg); | |
444 | $rule_check_counter += $ctr; | |
445 | return ($res, $ipt_invocation_counter, $rule_check_counter) if $res ne 'ACCEPT'; | |
446 | } | |
447 | ||
448 | $route_state = $next_route_state; | |
449 | ||
450 | $physdev_in = $next_physdev_in; | |
451 | } | |
452 | ||
453 | return ('ACCEPT', $ipt_invocation_counter, $rule_check_counter); | |
454 | } | |
455 | ||
456 | sub extract_ct_info { | |
e038c485 | 457 | my ($vmdata, $vmid, $netnum) = @_; |
63e8c70e DM |
458 | |
459 | my $info = { type => 'ct', vmid => $vmid }; | |
460 | ||
e038c485 | 461 | my $conf = $vmdata->{lxc}->{$vmid} || die "no such CT '$vmid'"; |
a7c85d56 | 462 | my $net = PVE::LXC::Config->parse_lxc_network($conf->{"net$netnum"}); |
e038c485 DM |
463 | $info->{macaddr} = $net->{hwaddr} || die "unable to get mac address"; |
464 | $info->{bridge} = $net->{bridge} || die "unable to get bridge"; | |
465 | $info->{fwbr} = "fwbr${vmid}i$netnum"; | |
466 | $info->{tapdev} = "veth${vmid}i$netnum"; | |
467 | $info->{fwln} = "fwln${vmid}i$netnum"; | |
468 | $info->{fwpr} = "fwpr${vmid}p$netnum"; | |
469 | $info->{ip_address} = $net->{ip} || die "unable to get ip address"; | |
470 | ||
63e8c70e DM |
471 | return $info; |
472 | } | |
473 | ||
474 | sub extract_vm_info { | |
b625713b | 475 | my ($vmdata, $vmid, $netnum) = @_; |
63e8c70e DM |
476 | |
477 | my $info = { type => 'vm', vmid => $vmid }; | |
478 | ||
479 | my $conf = $vmdata->{qemu}->{$vmid} || die "no such VM '$vmid'"; | |
b625713b | 480 | my $net = PVE::QemuServer::parse_net($conf->{"net$netnum"}); |
63e8c70e DM |
481 | $info->{macaddr} = $net->{macaddr} || die "unable to get mac address"; |
482 | $info->{bridge} = $net->{bridge} || die "unable to get bridge"; | |
b625713b DM |
483 | $info->{fwbr} = "fwbr${vmid}i$netnum"; |
484 | $info->{tapdev} = "tap${vmid}i$netnum"; | |
485 | $info->{fwln} = "fwln${vmid}i$netnum"; | |
486 | $info->{fwpr} = "fwpr${vmid}p$netnum"; | |
63e8c70e DM |
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+)$/) { | |
09e11ad4 | 545 | return 'SKIPPED' if !$have_lxc; |
63e8c70e | 546 | my $vmid = $1; |
e038c485 DM |
547 | $from_info = extract_ct_info($vmdata, $vmid, 0); |
548 | $start_state = 'fwbr-out'; | |
549 | $pkg->{mac_source} = $from_info->{macaddr}; | |
b625713b | 550 | } elsif ($from =~ m/^vm(\d+)(i(\d))?$/) { |
09e11ad4 | 551 | return 'SKIPPED' if !$have_qemu_server; |
63e8c70e | 552 | my $vmid = $1; |
b625713b DM |
553 | my $netnum = $3 || 0; |
554 | $from_info = extract_vm_info($vmdata, $vmid, $netnum); | |
63e8c70e DM |
555 | $start_state = 'fwbr-out'; |
556 | $pkg->{mac_source} = $from_info->{macaddr}; | |
557 | } else { | |
558 | die "unable to parse \"from => '$from'\"\n"; | |
559 | } | |
560 | ||
561 | my $target; | |
562 | ||
563 | if ($to eq 'host') { | |
564 | $target->{type} = 'host'; | |
565 | $target->{iface} = 'host'; | |
566 | $pkg->{dest} = $host_ip if !defined($pkg->{dest}); | |
567 | } elsif ($to =~ m|^(vmbr\d+)/(\S+)$|) { | |
568 | $target->{type} = 'bport'; | |
569 | $target->{bridge} = $1; | |
570 | $target->{iface} = $2; | |
571 | } elsif ($to eq 'outside') { | |
572 | $target->{type} = 'bport'; | |
573 | $target->{bridge} = 'vmbr0'; | |
574 | $target->{iface} = 'eth0'; | |
575 | } elsif ($to eq 'nfvm') { | |
576 | $target->{type} = 'bport'; | |
577 | $target->{bridge} = 'vmbr0'; | |
578 | $target->{iface} = 'tapXYZ'; | |
579 | } elsif ($to =~ m/^ct(\d+)$/) { | |
09e11ad4 | 580 | return 'SKIPPED' if !$have_lxc; |
63e8c70e | 581 | my $vmid = $1; |
e038c485 DM |
582 | $target = extract_ct_info($vmdata, $vmid, 0); |
583 | $target->{iface} = $target->{tapdev}; | |
63e8c70e | 584 | } elsif ($to =~ m/^vm(\d+)$/) { |
09e11ad4 | 585 | return 'SKIPPED' if !$have_qemu_server; |
63e8c70e | 586 | my $vmid = $1; |
b625713b | 587 | $target = extract_vm_info($vmdata, $vmid, 0); |
63e8c70e DM |
588 | $target->{iface} = $target->{tapdev}; |
589 | } else { | |
590 | die "unable to parse \"to => '$to'\"\n"; | |
591 | } | |
592 | ||
593 | $pkg->{source} = '100.100.1.2' if !defined($pkg->{source}); | |
594 | $pkg->{dest} = '100.200.3.4' if !defined($pkg->{dest}); | |
595 | ||
596 | my ($res, $ic, $rc) = route_packet($ruleset, $ipset_ruleset, $pkg, | |
597 | $from_info, $target, $start_state); | |
598 | ||
599 | add_trace("IPT statistics: invocation = $ic, checks = $rc\n"); | |
600 | ||
814de832 DM |
601 | return $res if $action eq 'QUERY'; |
602 | ||
63e8c70e DM |
603 | die "test failed ($res != $action)\n" if $action ne $res; |
604 | ||
605 | return undef; | |
606 | } | |
607 | ||
608 | 1; | |
609 |