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Commit | Line | Data |
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758c7b6b DM |
1 | package PMG::Utils; |
2 | ||
3 | use strict; | |
4 | use warnings; | |
758c7b6b | 5 | use DBI; |
b8ea5d5d | 6 | use Net::Cmd; |
758c7b6b | 7 | use Net::SMTP; |
26357b0a | 8 | use IO::File; |
cad3d400 | 9 | use File::stat; |
d17c5265 DM |
10 | use POSIX qw(strftime); |
11 | use File::stat; | |
ff1c5a81 | 12 | use File::Basename; |
758c7b6b DM |
13 | use MIME::Words; |
14 | use MIME::Parser; | |
8210c7fa | 15 | use Time::HiRes qw (gettimeofday); |
26357b0a | 16 | use Xdgmime; |
d0d91cda | 17 | use Data::Dumper; |
62ebb4bc | 18 | use Digest::SHA; |
f609bf7f | 19 | use Net::IP; |
9f67f5b3 | 20 | use Socket; |
dff363d9 DM |
21 | use RRDs; |
22 | use Filesys::Df; | |
8208c076 | 23 | use Encode; |
758c7b6b | 24 | |
dff363d9 | 25 | use PVE::ProcFSTools; |
f609bf7f | 26 | use PVE::Network; |
5953119e | 27 | use PVE::Tools; |
758c7b6b | 28 | use PVE::SafeSyslog; |
f609bf7f | 29 | use PVE::ProcFSTools; |
d0d91cda | 30 | use PMG::AtomicFile; |
8210c7fa | 31 | use PMG::MailQueue; |
c4df1b85 | 32 | use PMG::SMTPPrinter; |
758c7b6b | 33 | |
62ebb4bc DM |
34 | my $realm_regex = qr/[A-Za-z][A-Za-z0-9\.\-_]+/; |
35 | ||
36 | PVE::JSONSchema::register_format('pmg-realm', \&verify_realm); | |
37 | sub verify_realm { | |
38 | my ($realm, $noerr) = @_; | |
39 | ||
40 | if ($realm !~ m/^${realm_regex}$/) { | |
41 | return undef if $noerr; | |
42 | die "value does not look like a valid realm\n"; | |
43 | } | |
44 | return $realm; | |
45 | } | |
46 | ||
47 | PVE::JSONSchema::register_standard_option('realm', { | |
48 | description => "Authentication domain ID", | |
49 | type => 'string', format => 'pmg-realm', | |
50 | maxLength => 32, | |
51 | }); | |
52 | ||
53 | PVE::JSONSchema::register_format('pmg-userid', \&verify_username); | |
54 | sub verify_username { | |
55 | my ($username, $noerr) = @_; | |
56 | ||
57 | $username = '' if !$username; | |
58 | my $len = length($username); | |
59 | if ($len < 3) { | |
60 | die "user name '$username' is too short\n" if !$noerr; | |
61 | return undef; | |
62 | } | |
63 | if ($len > 64) { | |
64 | die "user name '$username' is too long ($len > 64)\n" if !$noerr; | |
65 | return undef; | |
66 | } | |
67 | ||
68 | # we only allow a limited set of characters | |
69 | # colon is not allowed, because we store usernames in | |
70 | # colon separated lists)! | |
71 | # slash is not allowed because it is used as pve API delimiter | |
72 | # also see "man useradd" | |
73 | if ($username =~ m!^([^\s:/]+)\@(${realm_regex})$!) { | |
74 | return wantarray ? ($username, $1, $2) : $username; | |
75 | } | |
76 | ||
77 | die "value '$username' does not look like a valid user name\n" if !$noerr; | |
78 | ||
79 | return undef; | |
80 | } | |
81 | ||
82 | PVE::JSONSchema::register_standard_option('userid', { | |
83 | description => "User ID", | |
84 | type => 'string', format => 'pmg-userid', | |
6b0180c3 | 85 | minLength => 4, |
62ebb4bc | 86 | maxLength => 64, |
6b0180c3 | 87 | }); |
62ebb4bc DM |
88 | |
89 | PVE::JSONSchema::register_standard_option('username', { | |
90 | description => "Username (without realm)", | |
91 | type => 'string', | |
92 | pattern => '[^\s:\/\@]{3,60}', | |
6b0180c3 | 93 | minLength => 4, |
62ebb4bc DM |
94 | maxLength => 64, |
95 | }); | |
96 | ||
c881fe35 DM |
97 | sub msgquote { |
98 | my $msg = shift || ''; | |
99 | $msg =~ s/%/%%/g; | |
100 | return $msg; | |
101 | } | |
102 | ||
758c7b6b DM |
103 | sub lastid { |
104 | my ($dbh, $seq) = @_; | |
105 | ||
106 | return $dbh->last_insert_id( | |
107 | undef, undef, undef, undef, { sequence => $seq}); | |
108 | } | |
109 | ||
cad3d400 DM |
110 | sub file_older_than { |
111 | my ($filename, $lasttime) = @_; | |
112 | ||
113 | my $st = stat($filename); | |
114 | ||
115 | return 0 if !defined($st); | |
116 | ||
117 | return ($lasttime >= $st->ctime); | |
118 | } | |
119 | ||
758c7b6b DM |
120 | sub extract_filename { |
121 | my ($head) = @_; | |
122 | ||
123 | if (my $value = $head->recommended_filename()) { | |
8210c7fa | 124 | chomp $value; |
758c7b6b DM |
125 | if (my $decvalue = MIME::Words::decode_mimewords($value)) { |
126 | $decvalue =~ s/\0/ /g; | |
5953119e | 127 | $decvalue = PVE::Tools::trim($decvalue); |
758c7b6b DM |
128 | return $decvalue; |
129 | } | |
130 | } | |
131 | ||
132 | return undef; | |
133 | } | |
134 | ||
135 | sub remove_marks { | |
136 | my ($entity, $add_id, $id) = @_; | |
137 | ||
138 | $id //= 1; | |
139 | ||
140 | foreach my $tag (grep {/^x-proxmox-tmp/i} $entity->head->tags) { | |
141 | $entity->head->delete ($tag); | |
142 | } | |
143 | ||
144 | $entity->head->replace('X-Proxmox-tmp-AID', $id) if $add_id; | |
145 | ||
146 | foreach my $part ($entity->parts) { | |
147 | $id = remove_marks($part, $add_id, $id + 1); | |
148 | } | |
149 | ||
150 | return $id; | |
151 | } | |
152 | ||
153 | sub subst_values { | |
154 | my ($body, $dh) = @_; | |
155 | ||
156 | return if !$body; | |
157 | ||
158 | foreach my $k (keys %$dh) { | |
159 | my $v = $dh->{$k}; | |
bd98f5a1 DM |
160 | if (defined($v)) { |
161 | $body =~ s/__\Q${k}\E__/$v/gs; | |
758c7b6b DM |
162 | } |
163 | } | |
164 | ||
165 | return $body; | |
166 | } | |
167 | ||
168 | sub reinject_mail { | |
169 | my ($entity, $sender, $targets, $xforward, $me, $nodsn) = @_; | |
170 | ||
171 | my $smtp; | |
172 | my $resid; | |
173 | my $rescode; | |
174 | my $resmess; | |
175 | ||
176 | eval { | |
177 | my $smtp = Net::SMTP->new('127.0.0.1', Port => 10025, Hello => $me) || | |
178 | die "unable to connect to localhost at port 10025"; | |
179 | ||
180 | if (defined($xforward)) { | |
181 | my $xfwd; | |
8210c7fa | 182 | |
758c7b6b DM |
183 | foreach my $attr (keys %{$xforward}) { |
184 | $xfwd .= " $attr=$xforward->{$attr}"; | |
185 | } | |
186 | ||
187 | if ($xfwd && $smtp->command("XFORWARD", $xfwd)->response() != CMD_OK) { | |
188 | syslog('err', "xforward error - got: %s %s", $smtp->code, scalar($smtp->message)); | |
189 | } | |
190 | } | |
191 | ||
192 | if (!$smtp->mail($sender)) { | |
193 | syslog('err', "smtp error - got: %s %s", $smtp->code, scalar ($smtp->message)); | |
194 | die "smtp from: ERROR"; | |
195 | } | |
196 | ||
197 | my $dsnopts = $nodsn ? {Notify => ['NEVER']} : {}; | |
198 | ||
199 | if (!$smtp->to (@$targets, $dsnopts)) { | |
200 | syslog ('err', "smtp error - got: %s %s", $smtp->code, scalar($smtp->message)); | |
201 | die "smtp to: ERROR"; | |
202 | } | |
203 | ||
204 | # Output the head: | |
205 | #$entity->sync_headers (); | |
206 | $smtp->data(); | |
207 | ||
208 | my $out = PMG::SMTPPrinter->new($smtp); | |
209 | $entity->print($out); | |
8210c7fa DM |
210 | |
211 | # make sure we always have a newline at the end of the mail | |
758c7b6b DM |
212 | # else dataend() fails |
213 | $smtp->datasend("\n"); | |
214 | ||
215 | if ($smtp->dataend()) { | |
216 | my @msgs = $smtp->message; | |
8210c7fa DM |
217 | $resmess = $msgs[$#msgs]; |
218 | ($resid) = $resmess =~ m/Ok: queued as ([0-9A-Z]+)/; | |
758c7b6b DM |
219 | $rescode = $smtp->code; |
220 | if (!$resid) { | |
221 | die sprintf("unexpected SMTP result - got: %s %s : WARNING", $smtp->code, $resmess); | |
8210c7fa | 222 | } |
758c7b6b DM |
223 | } else { |
224 | my @msgs = $smtp->message; | |
8210c7fa | 225 | $resmess = $msgs[$#msgs]; |
758c7b6b DM |
226 | $rescode = $smtp->code; |
227 | die sprintf("sending data failed - got: %s %s : ERROR", $smtp->code, $resmess); | |
228 | } | |
229 | }; | |
230 | my $err = $@; | |
8210c7fa | 231 | |
758c7b6b | 232 | $smtp->quit if $smtp; |
8210c7fa | 233 | |
758c7b6b DM |
234 | if ($err) { |
235 | syslog ('err', $err); | |
236 | } | |
237 | ||
238 | return wantarray ? ($resid, $rescode, $resmess) : $resid; | |
239 | } | |
240 | ||
8210c7fa DM |
241 | sub analyze_virus_clam { |
242 | my ($queue, $dname, $pmg_cfg) = @_; | |
243 | ||
244 | my $timeout = 60*5; | |
245 | my $vinfo; | |
246 | ||
247 | my $clamdscan_opts = "--stdout"; | |
248 | ||
249 | my ($csec, $usec) = gettimeofday(); | |
250 | ||
251 | my $previous_alarm; | |
252 | ||
253 | eval { | |
254 | ||
255 | $previous_alarm = alarm($timeout); | |
256 | ||
257 | $SIG{ALRM} = sub { | |
258 | die "$queue->{logid}: Maximum time ($timeout sec) exceeded. " . | |
259 | "virus analyze (clamav) failed: ERROR"; | |
260 | }; | |
261 | ||
262 | open(CMD, "/usr/bin/clamdscan $clamdscan_opts '$dname'|") || | |
263 | die "$queue->{logid}: can't exec clamdscan: $! : ERROR"; | |
264 | ||
265 | my $ifiles; | |
8210c7fa | 266 | |
54eaf7df DM |
267 | my $response = ''; |
268 | while (defined(my $line = <CMD>)) { | |
269 | if ($line =~ m/^$dname.*:\s+([^ :]*)\s+FOUND$/) { | |
8210c7fa DM |
270 | # we just use the first detected virus name |
271 | $vinfo = $1 if !$vinfo; | |
54eaf7df | 272 | } elsif ($line =~ m/^Infected files:\s(\d*)$/i) { |
8210c7fa DM |
273 | $ifiles = $1; |
274 | } | |
275 | ||
54eaf7df | 276 | $response .= $line; |
8210c7fa DM |
277 | } |
278 | ||
279 | close(CMD); | |
280 | ||
281 | alarm(0); # avoid race conditions | |
282 | ||
283 | if (!defined($ifiles)) { | |
284 | die "$queue->{logid}: got undefined output from " . | |
54eaf7df | 285 | "virus detector: $response : ERROR"; |
8210c7fa DM |
286 | } |
287 | ||
288 | if ($vinfo) { | |
54eaf7df | 289 | syslog('info', "$queue->{logid}: virus detected: $vinfo (clamav)"); |
8210c7fa DM |
290 | } |
291 | }; | |
292 | my $err = $@; | |
293 | ||
294 | alarm($previous_alarm); | |
295 | ||
296 | my ($csec_end, $usec_end) = gettimeofday(); | |
297 | $queue->{ptime_clam} = | |
298 | int (($csec_end-$csec)*1000 + ($usec_end - $usec)/1000); | |
299 | ||
300 | if ($err) { | |
301 | syslog ('err', $err); | |
302 | $vinfo = undef; | |
303 | $queue->{errors} = 1; | |
304 | } | |
305 | ||
306 | $queue->{vinfo_clam} = $vinfo; | |
307 | ||
308 | return $vinfo ? "$vinfo (clamav)" : undef; | |
309 | } | |
310 | ||
311 | sub analyze_virus { | |
312 | my ($queue, $filename, $pmg_cfg, $testmode) = @_; | |
313 | ||
314 | # TODO: support other virus scanners? | |
315 | ||
316 | # always scan with clamav | |
317 | return analyze_virus_clam($queue, $filename, $pmg_cfg); | |
318 | } | |
319 | ||
26357b0a DM |
320 | sub magic_mime_type_for_file { |
321 | my ($filename) = @_; | |
dff363d9 | 322 | |
26357b0a DM |
323 | # we do not use get_mime_type_for_file, because that considers |
324 | # filename extensions - we only want magic type detection | |
325 | ||
326 | my $bufsize = Xdgmime::xdg_mime_get_max_buffer_extents(); | |
327 | die "got strange value for max_buffer_extents" if $bufsize > 4096*10; | |
328 | ||
329 | my $ct = "application/octet-stream"; | |
330 | ||
dff363d9 | 331 | my $fh = IO::File->new("<$filename") || |
26357b0a DM |
332 | die "unable to open file '$filename' - $!"; |
333 | ||
334 | my ($buf, $len); | |
335 | if (($len = $fh->read($buf, $bufsize)) > 0) { | |
336 | $ct = xdg_mime_get_mime_type_for_data($buf, $len); | |
337 | } | |
338 | $fh->close(); | |
dff363d9 | 339 | |
26357b0a | 340 | die "unable to read file '$filename' - $!" if ($len < 0); |
dff363d9 | 341 | |
26357b0a DM |
342 | return $ct; |
343 | } | |
758c7b6b | 344 | |
1d4193a1 DM |
345 | sub add_ct_marks { |
346 | my ($entity) = @_; | |
347 | ||
348 | if (my $path = $entity->{PMX_decoded_path}) { | |
349 | ||
350 | # set a reasonable default if magic does not give a result | |
351 | $entity->{PMX_magic_ct} = $entity->head->mime_attr('content-type'); | |
352 | ||
353 | if (my $ct = magic_mime_type_for_file($path)) { | |
354 | if ($ct ne 'application/octet-stream' || !$entity->{PMX_magic_ct}) { | |
355 | $entity->{PMX_magic_ct} = $ct; | |
356 | } | |
357 | } | |
358 | ||
359 | my $filename = $entity->head->recommended_filename; | |
360 | $filename = basename($path) if !defined($filename) || $filename eq ''; | |
361 | ||
362 | if (my $ct = xdg_mime_get_mime_type_from_file_name($filename)) { | |
363 | $entity->{PMX_glob_ct} = $ct; | |
364 | } | |
365 | } | |
366 | ||
367 | foreach my $part ($entity->parts) { | |
368 | add_ct_marks ($part); | |
369 | } | |
370 | } | |
371 | ||
f609bf7f DM |
372 | # x509 certificate utils |
373 | ||
896ef634 DM |
374 | # only write output if something fails |
375 | sub run_silent_cmd { | |
376 | my ($cmd) = @_; | |
377 | ||
378 | my $outbuf = ''; | |
379 | ||
380 | my $record_output = sub { | |
381 | $outbuf .= shift; | |
382 | $outbuf .= "\n"; | |
383 | }; | |
384 | ||
385 | eval { | |
386 | PVE::Tools::run_command($cmd, outfunc => $record_output, | |
387 | errfunc => $record_output); | |
388 | }; | |
389 | my $err = $@; | |
390 | ||
391 | if ($err) { | |
392 | print STDERR $outbuf; | |
393 | die $err; | |
394 | } | |
395 | } | |
396 | ||
3278b571 | 397 | my $proxmox_tls_cert_fn = "/etc/pmg/pmg-tls.pem"; |
f609bf7f DM |
398 | |
399 | sub gen_proxmox_tls_cert { | |
bc44eb02 | 400 | my ($force) = @_; |
f609bf7f | 401 | |
bc44eb02 DM |
402 | my $resolv = PVE::INotify::read_file('resolvconf'); |
403 | my $domain = $resolv->{search}; | |
404 | ||
405 | my $company = $domain; # what else ? | |
406 | my $cn = "*.$domain"; | |
407 | ||
408 | return if !$force && -f $proxmox_tls_cert_fn; | |
f609bf7f DM |
409 | |
410 | my $sslconf = <<__EOD__; | |
411 | RANDFILE = /root/.rnd | |
412 | extensions = v3_req | |
413 | ||
414 | [ req ] | |
415 | default_bits = 4096 | |
416 | distinguished_name = req_distinguished_name | |
417 | req_extensions = v3_req | |
418 | prompt = no | |
419 | string_mask = nombstr | |
420 | ||
421 | [ req_distinguished_name ] | |
422 | organizationalUnitName = Proxmox Mail Gateway | |
423 | organizationName = $company | |
424 | commonName = $cn | |
425 | ||
426 | [ v3_req ] | |
427 | basicConstraints = CA:FALSE | |
428 | nsCertType = server | |
429 | keyUsage = nonRepudiation, digitalSignature, keyEncipherment | |
430 | __EOD__ | |
431 | ||
3278b571 | 432 | my $cfgfn = "/tmp/pmgtlsconf-$$.tmp"; |
f609bf7f DM |
433 | my $fh = IO::File->new ($cfgfn, "w"); |
434 | print $fh $sslconf; | |
435 | close ($fh); | |
436 | ||
437 | eval { | |
896ef634 DM |
438 | my $cmd = ['openssl', 'req', '-batch', '-x509', '-new', '-sha256', |
439 | '-config', $cfgfn, '-days', 3650, '-nodes', | |
440 | '-out', $proxmox_tls_cert_fn, | |
441 | '-keyout', $proxmox_tls_cert_fn]; | |
442 | run_silent_cmd($cmd); | |
f609bf7f DM |
443 | }; |
444 | ||
445 | if (my $err = $@) { | |
446 | unlink $proxmox_tls_cert_fn; | |
447 | unlink $cfgfn; | |
448 | die "unable to generate proxmox certificate request:\n$err"; | |
449 | } | |
450 | ||
451 | unlink $cfgfn; | |
452 | } | |
453 | ||
454 | sub find_local_network_for_ip { | |
455 | my ($ip) = @_; | |
456 | ||
457 | my $testip = Net::IP->new($ip); | |
458 | ||
459 | my $isv6 = $testip->version == 6; | |
460 | my $routes = $isv6 ? | |
461 | PVE::ProcFSTools::read_proc_net_ipv6_route() : | |
462 | PVE::ProcFSTools::read_proc_net_route(); | |
463 | ||
464 | foreach my $entry (@$routes) { | |
465 | my $mask; | |
466 | if ($isv6) { | |
467 | $mask = $entry->{prefix}; | |
468 | next if !$mask; # skip the default route... | |
469 | } else { | |
470 | $mask = $PVE::Network::ipv4_mask_hash_localnet->{$entry->{mask}}; | |
471 | next if !defined($mask); | |
472 | } | |
473 | my $cidr = "$entry->{dest}/$mask"; | |
474 | my $testnet = Net::IP->new($cidr); | |
475 | my $overlap = $testnet->overlaps($testip); | |
476 | if ($overlap == $Net::IP::IP_B_IN_A_OVERLAP || | |
477 | $overlap == $Net::IP::IP_IDENTICAL) | |
478 | { | |
479 | return $cidr; | |
480 | } | |
481 | } | |
482 | ||
483 | die "unable to detect local network for ip '$ip'\n"; | |
484 | } | |
d0d91cda | 485 | |
230b4e03 DM |
486 | sub get_full_service_state { |
487 | my ($service) = @_; | |
488 | ||
489 | my $res; | |
490 | ||
491 | my $parser = sub { | |
492 | my $line = shift; | |
493 | if ($line =~ m/^([^=\s]+)=(.*)$/) { | |
494 | $res->{$1} = $2; | |
495 | } | |
496 | }; | |
497 | ||
498 | $service = 'postfix@-' if $service eq 'postfix'; | |
499 | PVE::Tools::run_command(['systemctl', 'show', $service], outfunc => $parser); | |
500 | ||
501 | return $res; | |
502 | } | |
503 | ||
cfdf6608 DM |
504 | sub service_wait_stopped { |
505 | my ($timeout, $service_list) = @_; | |
506 | ||
507 | my $starttime = time(); | |
508 | ||
509 | foreach my $service (@$service_list) { | |
510 | PVE::Tools::run_command(['systemctl', 'stop', $service]); | |
511 | } | |
512 | ||
513 | while (1) { | |
514 | my $wait = 0; | |
515 | ||
516 | foreach my $service (@$service_list) { | |
517 | my $ss = get_full_service_state($service); | |
518 | my $state = $ss->{ActiveState} // 'unknown'; | |
519 | ||
520 | if ($state ne 'inactive') { | |
521 | if ((time() - $starttime) > $timeout) { | |
522 | syslog('err', "unable to stop services (got timeout)"); | |
523 | $wait = 0; | |
524 | last; | |
525 | } | |
526 | $wait = 1; | |
527 | } | |
528 | } | |
529 | ||
530 | last if !$wait; | |
531 | ||
532 | sleep(1); | |
533 | } | |
534 | } | |
535 | ||
3f85510e DM |
536 | sub service_cmd { |
537 | my ($service, $cmd) = @_; | |
538 | ||
539 | die "unknown service command '$cmd'\n" | |
540 | if $cmd !~ m/^(start|stop|restart|reload)$/; | |
541 | ||
542 | if ($service eq 'pmgdaemon' || $service eq 'pmgproxy') { | |
543 | if ($cmd eq 'restart') { | |
544 | # OK | |
545 | } else { | |
546 | die "invalid service cmd '$service $cmd': ERROR"; | |
547 | } | |
548 | } | |
549 | ||
aab6fe36 | 550 | $service = 'postfix@-' if $service eq 'postfix'; |
3f85510e DM |
551 | PVE::Tools::run_command(['systemctl', $cmd, $service]); |
552 | }; | |
553 | ||
9f67f5b3 DM |
554 | # this is also used to get the IP of the local node |
555 | sub lookup_node_ip { | |
556 | my ($nodename, $noerr) = @_; | |
557 | ||
558 | my ($family, $packed_ip); | |
559 | ||
560 | eval { | |
561 | my @res = PVE::Tools::getaddrinfo_all($nodename); | |
562 | $family = $res[0]->{family}; | |
563 | $packed_ip = (PVE::Tools::unpack_sockaddr_in46($res[0]->{addr}))[2]; | |
564 | }; | |
565 | ||
566 | if ($@) { | |
567 | die "hostname lookup failed:\n$@" if !$noerr; | |
568 | return undef; | |
569 | } | |
570 | ||
571 | my $ip = Socket::inet_ntop($family, $packed_ip); | |
572 | if ($ip =~ m/^127\.|^::1$/) { | |
573 | die "hostname lookup failed - got local IP address ($nodename = $ip)\n" if !$noerr; | |
574 | return undef; | |
575 | } | |
576 | ||
577 | return wantarray ? ($ip, $family) : $ip; | |
578 | } | |
579 | ||
630d1ae3 DM |
580 | sub run_postmap { |
581 | my ($filename) = @_; | |
582 | ||
583 | # make sure the file exists (else postmap fails) | |
584 | IO::File->new($filename, 'a', 0644); | |
585 | ||
586 | eval { | |
587 | PVE::Tools::run_command( | |
588 | ['/usr/sbin/postmap', $filename], | |
589 | errmsg => "unable to update postfix table $filename"); | |
590 | }; | |
591 | my $err = $@; | |
592 | ||
593 | warn $err if $err; | |
594 | } | |
595 | ||
d17c5265 DM |
596 | sub clamav_dbstat { |
597 | ||
598 | my $res = []; | |
599 | ||
600 | my $read_cvd_info = sub { | |
601 | my ($dbname, $dbfile) = @_; | |
602 | ||
603 | my $header; | |
604 | my $fh = IO::File->new("<$dbfile"); | |
605 | if (!$fh) { | |
606 | warn "cant open ClamAV Database $dbname ($dbfile) - $!\n"; | |
607 | return; | |
608 | } | |
609 | $fh->read($header, 512); | |
610 | $fh->close(); | |
611 | ||
612 | ## ClamAV-VDB:16 Mar 2016 23-17 +0000:57:4218790:60:06386f34a16ebeea2733ab037f0536be: | |
613 | if ($header =~ m/^(ClamAV-VDB):([^:]+):(\d+):(\d+):/) { | |
614 | my ($ftype, $btime, $version, $nsigs) = ($1, $2, $3, $4); | |
615 | push @$res, { | |
616 | name => $dbname, | |
617 | type => $ftype, | |
618 | build_time => $btime, | |
619 | version => $version, | |
620 | nsigs => $nsigs, | |
621 | }; | |
622 | } else { | |
623 | warn "unable to parse ClamAV Database $dbname ($dbfile)\n"; | |
624 | } | |
625 | }; | |
626 | ||
627 | # main database | |
628 | my $filename = "/var/lib/clamav/main.inc/main.info"; | |
629 | $filename = "/var/lib/clamav/main.cvd" if ! -f $filename; | |
630 | ||
631 | $read_cvd_info->('main', $filename) if -f $filename; | |
632 | ||
633 | # daily database | |
634 | $filename = "/var/lib/clamav/daily.inc/daily.info"; | |
635 | $filename = "/var/lib/clamav/daily.cvd" if ! -f $filename; | |
636 | $filename = "/var/lib/clamav/daily.cld" if ! -f $filename; | |
637 | ||
638 | $read_cvd_info->('daily', $filename) if -f $filename; | |
639 | ||
640 | $filename = "/var/lib/clamav/bytecode.cvd"; | |
641 | $read_cvd_info->('bytecode', $filename) if -f $filename; | |
642 | ||
9860e592 DM |
643 | $filename = "/var/lib/clamav/safebrowsing.cvd"; |
644 | $read_cvd_info->('safebrowsing', $filename) if -f $filename; | |
645 | ||
dabcd20e DM |
646 | my $ss_dbs_fn = "/var/lib/clamav-unofficial-sigs/configs/ss-include-dbs.txt"; |
647 | my $ss_dbs_files = {}; | |
648 | if (my $ssfh = IO::File->new("<${ss_dbs_fn}")) { | |
649 | while (defined(my $line = <$ssfh>)) { | |
650 | chomp $line; | |
651 | $ss_dbs_files->{$line} = 1; | |
652 | } | |
653 | } | |
d17c5265 DM |
654 | my $last = 0; |
655 | my $nsigs = 0; | |
656 | foreach $filename (</var/lib/clamav/*>) { | |
dabcd20e DM |
657 | my $fn = basename($filename); |
658 | next if !$ss_dbs_files->{$fn}; | |
659 | ||
d17c5265 DM |
660 | my $fh = IO::File->new("<$filename"); |
661 | next if !defined($fh); | |
662 | my $st = stat($fh); | |
663 | next if !$st; | |
664 | my $mtime = $st->mtime(); | |
665 | $last = $mtime if $mtime > $last; | |
666 | while (defined(my $line = <$fh>)) { $nsigs++; } | |
667 | } | |
668 | ||
669 | if ($nsigs > 0) { | |
670 | push @$res, { | |
9860e592 | 671 | name => 'sanesecurity', |
d17c5265 | 672 | type => 'unofficial', |
2d011fef | 673 | build_time => strftime("%d %b %Y %H-%M %z", localtime($last)), |
d17c5265 DM |
674 | nsigs => $nsigs, |
675 | }; | |
676 | } | |
677 | ||
678 | return $res; | |
679 | } | |
680 | ||
dff363d9 DM |
681 | # RRD related code |
682 | my $rrd_dir = "/var/lib/rrdcached/db"; | |
683 | my $rrdcached_socket = "/var/run/rrdcached.sock"; | |
684 | ||
685 | my $rrd_def_node = [ | |
686 | "DS:loadavg:GAUGE:120:0:U", | |
687 | "DS:maxcpu:GAUGE:120:0:U", | |
688 | "DS:cpu:GAUGE:120:0:U", | |
689 | "DS:iowait:GAUGE:120:0:U", | |
690 | "DS:memtotal:GAUGE:120:0:U", | |
691 | "DS:memused:GAUGE:120:0:U", | |
692 | "DS:swaptotal:GAUGE:120:0:U", | |
693 | "DS:swapused:GAUGE:120:0:U", | |
694 | "DS:roottotal:GAUGE:120:0:U", | |
695 | "DS:rootused:GAUGE:120:0:U", | |
696 | "DS:netin:DERIVE:120:0:U", | |
697 | "DS:netout:DERIVE:120:0:U", | |
698 | ||
699 | "RRA:AVERAGE:0.5:1:70", # 1 min avg - one hour | |
700 | "RRA:AVERAGE:0.5:30:70", # 30 min avg - one day | |
701 | "RRA:AVERAGE:0.5:180:70", # 3 hour avg - one week | |
702 | "RRA:AVERAGE:0.5:720:70", # 12 hour avg - one month | |
703 | "RRA:AVERAGE:0.5:10080:70", # 7 day avg - ony year | |
704 | ||
705 | "RRA:MAX:0.5:1:70", # 1 min max - one hour | |
706 | "RRA:MAX:0.5:30:70", # 30 min max - one day | |
707 | "RRA:MAX:0.5:180:70", # 3 hour max - one week | |
708 | "RRA:MAX:0.5:720:70", # 12 hour max - one month | |
709 | "RRA:MAX:0.5:10080:70", # 7 day max - ony year | |
710 | ]; | |
711 | ||
712 | sub cond_create_rrd_file { | |
713 | my ($filename, $rrddef) = @_; | |
714 | ||
715 | return if -f $filename; | |
716 | ||
717 | my @args = ($filename); | |
718 | ||
719 | push @args, "--daemon" => "unix:${rrdcached_socket}" | |
720 | if -S $rrdcached_socket; | |
721 | ||
722 | push @args, '--step', 60; | |
723 | ||
724 | push @args, @$rrddef; | |
725 | ||
726 | # print "TEST: " . join(' ', @args) . "\n"; | |
727 | ||
728 | RRDs::create(@args); | |
729 | my $err = RRDs::error; | |
730 | die "RRD error: $err\n" if $err; | |
731 | } | |
732 | ||
733 | sub update_node_status_rrd { | |
734 | ||
735 | my $filename = "$rrd_dir/pmg-node-v1.rrd"; | |
736 | cond_create_rrd_file($filename, $rrd_def_node); | |
737 | ||
738 | my ($avg1, $avg5, $avg15) = PVE::ProcFSTools::read_loadavg(); | |
739 | ||
740 | my $stat = PVE::ProcFSTools::read_proc_stat(); | |
741 | ||
742 | my $netdev = PVE::ProcFSTools::read_proc_net_dev(); | |
743 | ||
744 | my ($uptime) = PVE::ProcFSTools::read_proc_uptime(); | |
745 | ||
746 | my $cpuinfo = PVE::ProcFSTools::read_cpuinfo(); | |
747 | ||
748 | my $maxcpu = $cpuinfo->{cpus}; | |
749 | ||
750 | # traffic from/to physical interface cards | |
751 | my $netin = 0; | |
752 | my $netout = 0; | |
753 | foreach my $dev (keys %$netdev) { | |
754 | next if $dev !~ m/^eth\d+$/; | |
755 | $netin += $netdev->{$dev}->{receive}; | |
756 | $netout += $netdev->{$dev}->{transmit}; | |
757 | } | |
758 | ||
759 | my $meminfo = PVE::ProcFSTools::read_meminfo(); | |
760 | ||
761 | my $dinfo = df('/', 1); # output is bytes | |
762 | ||
763 | my $ctime = time(); | |
764 | ||
765 | # everything not free is considered to be used | |
766 | my $dused = $dinfo->{blocks} - $dinfo->{bfree}; | |
767 | ||
768 | my $data = "$ctime:$avg1:$maxcpu:$stat->{cpu}:$stat->{wait}:" . | |
769 | "$meminfo->{memtotal}:$meminfo->{memused}:" . | |
770 | "$meminfo->{swaptotal}:$meminfo->{swapused}:" . | |
771 | "$dinfo->{blocks}:$dused:$netin:$netout"; | |
772 | ||
773 | ||
774 | my @args = ($filename); | |
775 | ||
776 | push @args, "--daemon" => "unix:${rrdcached_socket}" | |
777 | if -S $rrdcached_socket; | |
778 | ||
779 | push @args, $data; | |
780 | ||
781 | # print "TEST: " . join(' ', @args) . "\n"; | |
782 | ||
783 | RRDs::update(@args); | |
784 | my $err = RRDs::error; | |
785 | die "RRD error: $err\n" if $err; | |
786 | } | |
787 | ||
065b2986 DM |
788 | sub create_rrd_data { |
789 | my ($rrdname, $timeframe, $cf) = @_; | |
790 | ||
791 | my $rrd = "${rrd_dir}/$rrdname"; | |
792 | ||
793 | my $setup = { | |
794 | hour => [ 60, 70 ], | |
795 | day => [ 60*30, 70 ], | |
796 | week => [ 60*180, 70 ], | |
797 | month => [ 60*720, 70 ], | |
798 | year => [ 60*10080, 70 ], | |
799 | }; | |
800 | ||
801 | my ($reso, $count) = @{$setup->{$timeframe}}; | |
802 | my $ctime = $reso*int(time()/$reso); | |
803 | my $req_start = $ctime - $reso*$count; | |
804 | ||
805 | $cf = "AVERAGE" if !$cf; | |
806 | ||
807 | my @args = ( | |
808 | "-s" => $req_start, | |
809 | "-e" => $ctime - 1, | |
810 | "-r" => $reso, | |
811 | ); | |
812 | ||
813 | push @args, "--daemon" => "unix:${rrdcached_socket}" | |
814 | if -S $rrdcached_socket; | |
815 | ||
816 | my ($start, $step, $names, $data) = RRDs::fetch($rrd, $cf, @args); | |
817 | ||
818 | my $err = RRDs::error; | |
819 | die "RRD error: $err\n" if $err; | |
820 | ||
821 | die "got wrong time resolution ($step != $reso)\n" | |
822 | if $step != $reso; | |
823 | ||
824 | my $res = []; | |
825 | my $fields = scalar(@$names); | |
826 | for my $line (@$data) { | |
827 | my $entry = { 'time' => $start }; | |
828 | $start += $step; | |
829 | for (my $i = 0; $i < $fields; $i++) { | |
830 | my $name = $names->[$i]; | |
831 | if (defined(my $val = $line->[$i])) { | |
832 | $entry->{$name} = $val; | |
833 | } else { | |
834 | # leave empty fields undefined | |
835 | # maybe make this configurable? | |
836 | } | |
837 | } | |
838 | push @$res, $entry; | |
839 | } | |
840 | ||
841 | return $res; | |
842 | } | |
843 | ||
758c7b6b | 844 | 1; |