]>
Commit | Line | Data |
---|---|---|
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); |
2f7031b7 | 16 | use Time::Local; |
26357b0a | 17 | use Xdgmime; |
d0d91cda | 18 | use Data::Dumper; |
62ebb4bc | 19 | use Digest::SHA; |
5d5af7c5 | 20 | use Digest::MD5; |
f609bf7f | 21 | use Net::IP; |
9f67f5b3 | 22 | use Socket; |
dff363d9 DM |
23 | use RRDs; |
24 | use Filesys::Df; | |
8208c076 | 25 | use Encode; |
00eaaf69 DM |
26 | use utf8; |
27 | no utf8; | |
28 | ||
9a56f771 | 29 | use HTML::Entities; |
758c7b6b | 30 | |
dff363d9 | 31 | use PVE::ProcFSTools; |
f609bf7f | 32 | use PVE::Network; |
5953119e | 33 | use PVE::Tools; |
758c7b6b | 34 | use PVE::SafeSyslog; |
f609bf7f | 35 | use PVE::ProcFSTools; |
d0d91cda | 36 | use PMG::AtomicFile; |
8210c7fa | 37 | use PMG::MailQueue; |
c4df1b85 | 38 | use PMG::SMTPPrinter; |
758c7b6b | 39 | |
6c54c10a | 40 | my $valid_pmg_realms = ['pam', 'pmg', 'quarantine']; |
62ebb4bc DM |
41 | |
42 | PVE::JSONSchema::register_standard_option('realm', { | |
43 | description => "Authentication domain ID", | |
6c54c10a DM |
44 | type => 'string', |
45 | enum => $valid_pmg_realms, | |
62ebb4bc DM |
46 | maxLength => 32, |
47 | }); | |
48 | ||
6214b5cf DM |
49 | PVE::JSONSchema::register_standard_option('pmg-starttime', { |
50 | description => "Only consider entries newer than 'starttime' (unix epoch). Default is 'now - 1day'.", | |
51 | type => 'integer', | |
52 | minimum => 0, | |
53 | optional => 1, | |
54 | }); | |
55 | ||
56 | PVE::JSONSchema::register_standard_option('pmg-endtime', { | |
57 | description => "Only consider entries older than 'endtime' (unix epoch). This is set to '<start> + 1day' by default.", | |
58 | type => 'integer', | |
59 | minimum => 1, | |
60 | optional => 1, | |
61 | }); | |
62 | ||
62ebb4bc DM |
63 | PVE::JSONSchema::register_format('pmg-userid', \&verify_username); |
64 | sub verify_username { | |
65 | my ($username, $noerr) = @_; | |
66 | ||
67 | $username = '' if !$username; | |
68 | my $len = length($username); | |
69 | if ($len < 3) { | |
70 | die "user name '$username' is too short\n" if !$noerr; | |
71 | return undef; | |
72 | } | |
73 | if ($len > 64) { | |
74 | die "user name '$username' is too long ($len > 64)\n" if !$noerr; | |
75 | return undef; | |
76 | } | |
77 | ||
78 | # we only allow a limited set of characters | |
79 | # colon is not allowed, because we store usernames in | |
80 | # colon separated lists)! | |
81 | # slash is not allowed because it is used as pve API delimiter | |
82 | # also see "man useradd" | |
6c54c10a DM |
83 | my $realm_list = join('|', @$valid_pmg_realms); |
84 | if ($username =~ m!^([^\s:/]+)\@(${realm_list})$!) { | |
62ebb4bc DM |
85 | return wantarray ? ($username, $1, $2) : $username; |
86 | } | |
87 | ||
88 | die "value '$username' does not look like a valid user name\n" if !$noerr; | |
89 | ||
90 | return undef; | |
91 | } | |
92 | ||
93 | PVE::JSONSchema::register_standard_option('userid', { | |
94 | description => "User ID", | |
95 | type => 'string', format => 'pmg-userid', | |
6b0180c3 | 96 | minLength => 4, |
62ebb4bc | 97 | maxLength => 64, |
6b0180c3 | 98 | }); |
62ebb4bc DM |
99 | |
100 | PVE::JSONSchema::register_standard_option('username', { | |
101 | description => "Username (without realm)", | |
102 | type => 'string', | |
103 | pattern => '[^\s:\/\@]{3,60}', | |
6b0180c3 | 104 | minLength => 4, |
62ebb4bc DM |
105 | maxLength => 64, |
106 | }); | |
107 | ||
01929101 DM |
108 | PVE::JSONSchema::register_standard_option('pmg-email-address', { |
109 | description => "Email Address (allow most characters).", | |
110 | type => 'string', | |
9eec07fb | 111 | pattern => '(?:[^\s\/\\\@]+\@[^\s\/\\\@]+)', |
01929101 DM |
112 | maxLength => 512, |
113 | minLength => 3, | |
114 | }); | |
115 | ||
1a1bde13 DC |
116 | PVE::JSONSchema::register_standard_option('pmg-whiteblacklist-entry-list', { |
117 | description => "White/Blacklist entry list (allow most characters). Can contain globs", | |
118 | type => 'string', | |
119 | pattern => '(?:[^\s\/\\\;\,]+)(?:\,[^\s\/\\\;\,]+)*', | |
120 | minLength => 3, | |
121 | }); | |
122 | ||
758c7b6b DM |
123 | sub lastid { |
124 | my ($dbh, $seq) = @_; | |
125 | ||
126 | return $dbh->last_insert_id( | |
127 | undef, undef, undef, undef, { sequence => $seq}); | |
128 | } | |
129 | ||
ab466078 DM |
130 | # quote all regex operators |
131 | sub quote_regex { | |
132 | my $val = shift; | |
133 | ||
134 | $val =~ s/([\(\)\[\]\/\}\+\*\?\.\|\^\$\\])/\\$1/g; | |
135 | ||
136 | return $val; | |
137 | } | |
138 | ||
cad3d400 DM |
139 | sub file_older_than { |
140 | my ($filename, $lasttime) = @_; | |
141 | ||
142 | my $st = stat($filename); | |
143 | ||
144 | return 0 if !defined($st); | |
145 | ||
146 | return ($lasttime >= $st->ctime); | |
147 | } | |
148 | ||
758c7b6b DM |
149 | sub extract_filename { |
150 | my ($head) = @_; | |
151 | ||
152 | if (my $value = $head->recommended_filename()) { | |
8210c7fa | 153 | chomp $value; |
758c7b6b DM |
154 | if (my $decvalue = MIME::Words::decode_mimewords($value)) { |
155 | $decvalue =~ s/\0/ /g; | |
5953119e | 156 | $decvalue = PVE::Tools::trim($decvalue); |
758c7b6b DM |
157 | return $decvalue; |
158 | } | |
159 | } | |
160 | ||
161 | return undef; | |
162 | } | |
163 | ||
164 | sub remove_marks { | |
165 | my ($entity, $add_id, $id) = @_; | |
166 | ||
167 | $id //= 1; | |
168 | ||
169 | foreach my $tag (grep {/^x-proxmox-tmp/i} $entity->head->tags) { | |
170 | $entity->head->delete ($tag); | |
171 | } | |
172 | ||
173 | $entity->head->replace('X-Proxmox-tmp-AID', $id) if $add_id; | |
174 | ||
175 | foreach my $part ($entity->parts) { | |
176 | $id = remove_marks($part, $add_id, $id + 1); | |
177 | } | |
178 | ||
179 | return $id; | |
180 | } | |
181 | ||
182 | sub subst_values { | |
183 | my ($body, $dh) = @_; | |
184 | ||
185 | return if !$body; | |
186 | ||
187 | foreach my $k (keys %$dh) { | |
188 | my $v = $dh->{$k}; | |
bd98f5a1 DM |
189 | if (defined($v)) { |
190 | $body =~ s/__\Q${k}\E__/$v/gs; | |
758c7b6b DM |
191 | } |
192 | } | |
193 | ||
194 | return $body; | |
195 | } | |
196 | ||
197 | sub reinject_mail { | |
198 | my ($entity, $sender, $targets, $xforward, $me, $nodsn) = @_; | |
199 | ||
200 | my $smtp; | |
201 | my $resid; | |
202 | my $rescode; | |
203 | my $resmess; | |
204 | ||
205 | eval { | |
206 | my $smtp = Net::SMTP->new('127.0.0.1', Port => 10025, Hello => $me) || | |
207 | die "unable to connect to localhost at port 10025"; | |
208 | ||
209 | if (defined($xforward)) { | |
210 | my $xfwd; | |
8210c7fa | 211 | |
758c7b6b DM |
212 | foreach my $attr (keys %{$xforward}) { |
213 | $xfwd .= " $attr=$xforward->{$attr}"; | |
214 | } | |
215 | ||
216 | if ($xfwd && $smtp->command("XFORWARD", $xfwd)->response() != CMD_OK) { | |
217 | syslog('err', "xforward error - got: %s %s", $smtp->code, scalar($smtp->message)); | |
218 | } | |
219 | } | |
220 | ||
00eaaf69 DM |
221 | my $has_utf8_targets = 0; |
222 | foreach my $target (@$targets) { | |
223 | if (utf8::is_utf8($target)) { | |
224 | $has_utf8_targets = 1; | |
225 | last; | |
226 | } | |
227 | } | |
228 | ||
229 | my $mail_opts = " BODY=8BITMIME"; | |
230 | my $sender_addr; | |
231 | if (utf8::is_utf8($sender)) { | |
232 | $sender_addr = encode('UTF-8', $smtp->_addr($sender)); | |
233 | $mail_opts .= " SMTPUTF8"; | |
234 | } else { | |
235 | $sender_addr = $smtp->_addr($sender); | |
236 | $mail_opts .= " SMTPUTF8" if $has_utf8_targets; | |
237 | } | |
238 | ||
239 | if (!$smtp->_MAIL("FROM:" . $sender_addr . $mail_opts)) { | |
758c7b6b DM |
240 | syslog('err', "smtp error - got: %s %s", $smtp->code, scalar ($smtp->message)); |
241 | die "smtp from: ERROR"; | |
242 | } | |
243 | ||
00eaaf69 | 244 | my $rcpt_opts = $nodsn ? " NOTIFY=NEVER" : ""; |
758c7b6b | 245 | |
00eaaf69 DM |
246 | foreach my $target (@$targets) { |
247 | my $rcpt_addr; | |
248 | if (utf8::is_utf8($target)) { | |
249 | $rcpt_addr = encode('UTF-8', $smtp->_addr($target)); | |
250 | } else { | |
251 | $rcpt_addr = $smtp->_addr($target); | |
252 | } | |
253 | if (!$smtp->_RCPT("TO:" . $rcpt_addr . $rcpt_opts)) { | |
254 | syslog ('err', "smtp error - got: %s %s", $smtp->code, scalar($smtp->message)); | |
255 | die "smtp to: ERROR"; | |
256 | } | |
758c7b6b DM |
257 | } |
258 | ||
259 | # Output the head: | |
260 | #$entity->sync_headers (); | |
261 | $smtp->data(); | |
262 | ||
263 | my $out = PMG::SMTPPrinter->new($smtp); | |
264 | $entity->print($out); | |
8210c7fa DM |
265 | |
266 | # make sure we always have a newline at the end of the mail | |
758c7b6b DM |
267 | # else dataend() fails |
268 | $smtp->datasend("\n"); | |
269 | ||
270 | if ($smtp->dataend()) { | |
271 | my @msgs = $smtp->message; | |
8210c7fa DM |
272 | $resmess = $msgs[$#msgs]; |
273 | ($resid) = $resmess =~ m/Ok: queued as ([0-9A-Z]+)/; | |
758c7b6b DM |
274 | $rescode = $smtp->code; |
275 | if (!$resid) { | |
276 | die sprintf("unexpected SMTP result - got: %s %s : WARNING", $smtp->code, $resmess); | |
8210c7fa | 277 | } |
758c7b6b DM |
278 | } else { |
279 | my @msgs = $smtp->message; | |
8210c7fa | 280 | $resmess = $msgs[$#msgs]; |
758c7b6b DM |
281 | $rescode = $smtp->code; |
282 | die sprintf("sending data failed - got: %s %s : ERROR", $smtp->code, $resmess); | |
283 | } | |
284 | }; | |
285 | my $err = $@; | |
8210c7fa | 286 | |
758c7b6b | 287 | $smtp->quit if $smtp; |
8210c7fa | 288 | |
758c7b6b DM |
289 | if ($err) { |
290 | syslog ('err', $err); | |
291 | } | |
292 | ||
293 | return wantarray ? ($resid, $rescode, $resmess) : $resid; | |
294 | } | |
295 | ||
89d4d155 SI |
296 | sub analyze_custom_check { |
297 | my ($queue, $dname, $pmg_cfg) = @_; | |
298 | ||
299 | my $enable_custom_check = $pmg_cfg->get('admin', 'custom_check'); | |
300 | return undef if !$enable_custom_check; | |
301 | ||
302 | my $timeout = 60*5; | |
303 | my $customcheck_exe = $pmg_cfg->get('admin', 'custom_check_path'); | |
304 | my $customcheck_apiver = 'v1'; | |
305 | my ($csec, $usec) = gettimeofday(); | |
306 | ||
307 | my $vinfo; | |
308 | my $spam_score; | |
309 | ||
310 | eval { | |
311 | ||
312 | my $log_err = sub { | |
313 | my ($errmsg) = @_; | |
314 | $errmsg =~ s/%/%%/; | |
315 | syslog('err', $errmsg); | |
316 | }; | |
317 | ||
318 | my $customcheck_output_apiver; | |
319 | my $have_result; | |
320 | my $parser = sub { | |
321 | my ($line) = @_; | |
322 | ||
323 | my $result_flag; | |
324 | if ($line =~ /^v\d$/) { | |
325 | die "api version already defined!\n" if defined($customcheck_output_apiver); | |
326 | $customcheck_output_apiver = $line; | |
327 | die "api version mismatch - expected $customcheck_apiver, got $customcheck_output_apiver !\n" | |
328 | if ($customcheck_output_apiver ne $customcheck_apiver); | |
329 | } elsif ($line =~ /^SCORE: (-?[0-9]+|.[0-9]+|[0-9]+.[0-9]+)$/) { | |
330 | $spam_score = $1; | |
331 | $result_flag = 1; | |
332 | } elsif ($line =~ /^VIRUS: (.+)$/) { | |
333 | $vinfo = $1; | |
334 | $result_flag = 1; | |
335 | } elsif ($line =~ /^OK$/) { | |
336 | $result_flag = 1; | |
337 | } else { | |
338 | die "got unexpected output!\n"; | |
339 | } | |
340 | die "got more than 1 result outputs\n" if ( $have_result && $result_flag); | |
341 | $have_result = $result_flag; | |
342 | }; | |
343 | ||
344 | PVE::Tools::run_command([$customcheck_exe, $customcheck_apiver, $dname], | |
345 | errmsg => "$queue->{logid} custom check error", | |
346 | errfunc => $log_err, outfunc => $parser, timeout => $timeout); | |
347 | ||
348 | die "no api version returned\n" if !defined($customcheck_output_apiver); | |
349 | die "no result output!\n" if !$have_result; | |
350 | }; | |
351 | my $err = $@; | |
352 | ||
353 | if ($vinfo) { | |
354 | syslog('info', "$queue->{logid}: virus detected: $vinfo (custom)"); | |
355 | } | |
356 | ||
357 | my ($csec_end, $usec_end) = gettimeofday(); | |
358 | $queue->{ptime_custom} = | |
359 | int (($csec_end-$csec)*1000 + ($usec_end - $usec)/1000); | |
360 | ||
361 | if ($err) { | |
362 | syslog ('err', $err); | |
363 | $vinfo = undef; | |
364 | $queue->{errors} = 1; | |
365 | } | |
366 | ||
367 | $queue->{vinfo_custom} = $vinfo; | |
368 | $queue->{spam_custom} = $spam_score; | |
369 | ||
370 | return ($vinfo, $spam_score); | |
371 | } | |
372 | ||
8210c7fa DM |
373 | sub analyze_virus_clam { |
374 | my ($queue, $dname, $pmg_cfg) = @_; | |
375 | ||
376 | my $timeout = 60*5; | |
377 | my $vinfo; | |
378 | ||
379 | my $clamdscan_opts = "--stdout"; | |
380 | ||
381 | my ($csec, $usec) = gettimeofday(); | |
382 | ||
383 | my $previous_alarm; | |
384 | ||
385 | eval { | |
386 | ||
387 | $previous_alarm = alarm($timeout); | |
388 | ||
389 | $SIG{ALRM} = sub { | |
390 | die "$queue->{logid}: Maximum time ($timeout sec) exceeded. " . | |
391 | "virus analyze (clamav) failed: ERROR"; | |
392 | }; | |
393 | ||
394 | open(CMD, "/usr/bin/clamdscan $clamdscan_opts '$dname'|") || | |
395 | die "$queue->{logid}: can't exec clamdscan: $! : ERROR"; | |
396 | ||
397 | my $ifiles; | |
8210c7fa | 398 | |
54eaf7df DM |
399 | my $response = ''; |
400 | while (defined(my $line = <CMD>)) { | |
401 | if ($line =~ m/^$dname.*:\s+([^ :]*)\s+FOUND$/) { | |
8210c7fa DM |
402 | # we just use the first detected virus name |
403 | $vinfo = $1 if !$vinfo; | |
54eaf7df | 404 | } elsif ($line =~ m/^Infected files:\s(\d*)$/i) { |
8210c7fa DM |
405 | $ifiles = $1; |
406 | } | |
407 | ||
54eaf7df | 408 | $response .= $line; |
8210c7fa DM |
409 | } |
410 | ||
411 | close(CMD); | |
412 | ||
413 | alarm(0); # avoid race conditions | |
414 | ||
415 | if (!defined($ifiles)) { | |
416 | die "$queue->{logid}: got undefined output from " . | |
54eaf7df | 417 | "virus detector: $response : ERROR"; |
8210c7fa DM |
418 | } |
419 | ||
420 | if ($vinfo) { | |
54eaf7df | 421 | syslog('info', "$queue->{logid}: virus detected: $vinfo (clamav)"); |
8210c7fa DM |
422 | } |
423 | }; | |
424 | my $err = $@; | |
425 | ||
426 | alarm($previous_alarm); | |
427 | ||
428 | my ($csec_end, $usec_end) = gettimeofday(); | |
429 | $queue->{ptime_clam} = | |
430 | int (($csec_end-$csec)*1000 + ($usec_end - $usec)/1000); | |
431 | ||
432 | if ($err) { | |
433 | syslog ('err', $err); | |
434 | $vinfo = undef; | |
435 | $queue->{errors} = 1; | |
436 | } | |
437 | ||
438 | $queue->{vinfo_clam} = $vinfo; | |
439 | ||
440 | return $vinfo ? "$vinfo (clamav)" : undef; | |
441 | } | |
442 | ||
6ccbc37f DM |
443 | sub analyze_virus_avast { |
444 | my ($queue, $dname, $pmg_cfg) = @_; | |
445 | ||
446 | my $timeout = 60*5; | |
447 | my $vinfo; | |
448 | ||
449 | my ($csec, $usec) = gettimeofday(); | |
450 | ||
451 | my $previous_alarm; | |
452 | ||
453 | eval { | |
454 | ||
455 | $previous_alarm = alarm($timeout); | |
456 | ||
457 | $SIG{ALRM} = sub { | |
458 | die "$queue->{logid}: Maximum time ($timeout sec) exceeded. " . | |
459 | "virus analyze (avast) failed: ERROR"; | |
460 | }; | |
461 | ||
462 | open(my $cmd, '-|', '/bin/scan', $dname) || | |
463 | die "$queue->{logid}: can't exec avast scan: $! : ERROR"; | |
464 | ||
465 | my $response = ''; | |
466 | while (defined(my $line = <$cmd>)) { | |
467 | if ($line =~ m/^$dname\s+(.*\S)\s*$/) { | |
468 | # we just use the first detected virus name | |
469 | $vinfo = $1 if !$vinfo; | |
470 | } | |
471 | ||
472 | $response .= $line; | |
473 | } | |
474 | ||
475 | close($cmd); | |
476 | ||
477 | alarm(0); # avoid race conditions | |
478 | ||
479 | if ($vinfo) { | |
480 | syslog('info', "$queue->{logid}: virus detected: $vinfo (avast)"); | |
481 | } | |
482 | }; | |
483 | my $err = $@; | |
484 | ||
485 | alarm($previous_alarm); | |
486 | ||
487 | my ($csec_end, $usec_end) = gettimeofday(); | |
488 | $queue->{ptime_clam} = | |
489 | int (($csec_end-$csec)*1000 + ($usec_end - $usec)/1000); | |
490 | ||
491 | if ($err) { | |
492 | syslog ('err', $err); | |
493 | $vinfo = undef; | |
494 | $queue->{errors} = 1; | |
495 | } | |
496 | ||
497 | return undef if !$vinfo; | |
498 | ||
499 | $queue->{vinfo_avast} = $vinfo; | |
500 | ||
501 | return "$vinfo (avast)"; | |
502 | } | |
503 | ||
8210c7fa DM |
504 | sub analyze_virus { |
505 | my ($queue, $filename, $pmg_cfg, $testmode) = @_; | |
506 | ||
507 | # TODO: support other virus scanners? | |
508 | ||
6ccbc37f DM |
509 | if ($testmode) { |
510 | my $vinfo_clam = analyze_virus_clam($queue, $filename, $pmg_cfg); | |
511 | my $vinfo_avast = analyze_virus_avast($queue, $filename, $pmg_cfg); | |
512 | ||
513 | return $vinfo_avast || $vinfo_clam; | |
514 | } | |
515 | ||
516 | my $enable_avast = $pmg_cfg->get('admin', 'avast'); | |
517 | ||
518 | if ($enable_avast) { | |
519 | if (my $vinfo = analyze_virus_avast($queue, $filename, $pmg_cfg)) { | |
520 | return $vinfo; | |
521 | } | |
522 | } | |
523 | ||
9acd4d57 DM |
524 | my $enable_clamav = $pmg_cfg->get('admin', 'clamav'); |
525 | ||
526 | if ($enable_clamav) { | |
527 | if (my $vinfo = analyze_virus_clam($queue, $filename, $pmg_cfg)) { | |
528 | return $vinfo; | |
529 | } | |
530 | } | |
531 | ||
532 | return undef; | |
8210c7fa DM |
533 | } |
534 | ||
26357b0a DM |
535 | sub magic_mime_type_for_file { |
536 | my ($filename) = @_; | |
dff363d9 | 537 | |
26357b0a DM |
538 | # we do not use get_mime_type_for_file, because that considers |
539 | # filename extensions - we only want magic type detection | |
540 | ||
541 | my $bufsize = Xdgmime::xdg_mime_get_max_buffer_extents(); | |
542 | die "got strange value for max_buffer_extents" if $bufsize > 4096*10; | |
543 | ||
544 | my $ct = "application/octet-stream"; | |
545 | ||
dff363d9 | 546 | my $fh = IO::File->new("<$filename") || |
26357b0a DM |
547 | die "unable to open file '$filename' - $!"; |
548 | ||
549 | my ($buf, $len); | |
550 | if (($len = $fh->read($buf, $bufsize)) > 0) { | |
551 | $ct = xdg_mime_get_mime_type_for_data($buf, $len); | |
552 | } | |
553 | $fh->close(); | |
dff363d9 | 554 | |
26357b0a | 555 | die "unable to read file '$filename' - $!" if ($len < 0); |
dff363d9 | 556 | |
26357b0a DM |
557 | return $ct; |
558 | } | |
758c7b6b | 559 | |
1d4193a1 DM |
560 | sub add_ct_marks { |
561 | my ($entity) = @_; | |
562 | ||
563 | if (my $path = $entity->{PMX_decoded_path}) { | |
564 | ||
565 | # set a reasonable default if magic does not give a result | |
566 | $entity->{PMX_magic_ct} = $entity->head->mime_attr('content-type'); | |
567 | ||
568 | if (my $ct = magic_mime_type_for_file($path)) { | |
569 | if ($ct ne 'application/octet-stream' || !$entity->{PMX_magic_ct}) { | |
570 | $entity->{PMX_magic_ct} = $ct; | |
571 | } | |
572 | } | |
573 | ||
574 | my $filename = $entity->head->recommended_filename; | |
575 | $filename = basename($path) if !defined($filename) || $filename eq ''; | |
576 | ||
577 | if (my $ct = xdg_mime_get_mime_type_from_file_name($filename)) { | |
578 | $entity->{PMX_glob_ct} = $ct; | |
579 | } | |
580 | } | |
581 | ||
582 | foreach my $part ($entity->parts) { | |
583 | add_ct_marks ($part); | |
584 | } | |
585 | } | |
586 | ||
f609bf7f DM |
587 | # x509 certificate utils |
588 | ||
896ef634 DM |
589 | # only write output if something fails |
590 | sub run_silent_cmd { | |
591 | my ($cmd) = @_; | |
592 | ||
593 | my $outbuf = ''; | |
594 | ||
595 | my $record_output = sub { | |
596 | $outbuf .= shift; | |
597 | $outbuf .= "\n"; | |
598 | }; | |
599 | ||
600 | eval { | |
601 | PVE::Tools::run_command($cmd, outfunc => $record_output, | |
602 | errfunc => $record_output); | |
603 | }; | |
604 | my $err = $@; | |
605 | ||
606 | if ($err) { | |
607 | print STDERR $outbuf; | |
608 | die $err; | |
609 | } | |
610 | } | |
611 | ||
3278b571 | 612 | my $proxmox_tls_cert_fn = "/etc/pmg/pmg-tls.pem"; |
f609bf7f DM |
613 | |
614 | sub gen_proxmox_tls_cert { | |
bc44eb02 | 615 | my ($force) = @_; |
f609bf7f | 616 | |
bc44eb02 DM |
617 | my $resolv = PVE::INotify::read_file('resolvconf'); |
618 | my $domain = $resolv->{search}; | |
619 | ||
620 | my $company = $domain; # what else ? | |
621 | my $cn = "*.$domain"; | |
622 | ||
623 | return if !$force && -f $proxmox_tls_cert_fn; | |
f609bf7f DM |
624 | |
625 | my $sslconf = <<__EOD__; | |
626 | RANDFILE = /root/.rnd | |
627 | extensions = v3_req | |
628 | ||
629 | [ req ] | |
630 | default_bits = 4096 | |
631 | distinguished_name = req_distinguished_name | |
632 | req_extensions = v3_req | |
633 | prompt = no | |
634 | string_mask = nombstr | |
635 | ||
636 | [ req_distinguished_name ] | |
637 | organizationalUnitName = Proxmox Mail Gateway | |
638 | organizationName = $company | |
639 | commonName = $cn | |
640 | ||
641 | [ v3_req ] | |
642 | basicConstraints = CA:FALSE | |
643 | nsCertType = server | |
644 | keyUsage = nonRepudiation, digitalSignature, keyEncipherment | |
645 | __EOD__ | |
646 | ||
3278b571 | 647 | my $cfgfn = "/tmp/pmgtlsconf-$$.tmp"; |
f609bf7f DM |
648 | my $fh = IO::File->new ($cfgfn, "w"); |
649 | print $fh $sslconf; | |
650 | close ($fh); | |
651 | ||
652 | eval { | |
896ef634 DM |
653 | my $cmd = ['openssl', 'req', '-batch', '-x509', '-new', '-sha256', |
654 | '-config', $cfgfn, '-days', 3650, '-nodes', | |
655 | '-out', $proxmox_tls_cert_fn, | |
656 | '-keyout', $proxmox_tls_cert_fn]; | |
657 | run_silent_cmd($cmd); | |
f609bf7f DM |
658 | }; |
659 | ||
660 | if (my $err = $@) { | |
661 | unlink $proxmox_tls_cert_fn; | |
662 | unlink $cfgfn; | |
663 | die "unable to generate proxmox certificate request:\n$err"; | |
664 | } | |
665 | ||
666 | unlink $cfgfn; | |
667 | } | |
668 | ||
669 | sub find_local_network_for_ip { | |
1e88a529 | 670 | my ($ip, $noerr) = @_; |
f609bf7f DM |
671 | |
672 | my $testip = Net::IP->new($ip); | |
673 | ||
674 | my $isv6 = $testip->version == 6; | |
675 | my $routes = $isv6 ? | |
676 | PVE::ProcFSTools::read_proc_net_ipv6_route() : | |
677 | PVE::ProcFSTools::read_proc_net_route(); | |
678 | ||
679 | foreach my $entry (@$routes) { | |
680 | my $mask; | |
681 | if ($isv6) { | |
682 | $mask = $entry->{prefix}; | |
683 | next if !$mask; # skip the default route... | |
684 | } else { | |
685 | $mask = $PVE::Network::ipv4_mask_hash_localnet->{$entry->{mask}}; | |
686 | next if !defined($mask); | |
687 | } | |
688 | my $cidr = "$entry->{dest}/$mask"; | |
689 | my $testnet = Net::IP->new($cidr); | |
690 | my $overlap = $testnet->overlaps($testip); | |
691 | if ($overlap == $Net::IP::IP_B_IN_A_OVERLAP || | |
692 | $overlap == $Net::IP::IP_IDENTICAL) | |
693 | { | |
694 | return $cidr; | |
695 | } | |
696 | } | |
697 | ||
1e88a529 DM |
698 | return undef if $noerr; |
699 | ||
f609bf7f DM |
700 | die "unable to detect local network for ip '$ip'\n"; |
701 | } | |
d0d91cda | 702 | |
ef07e4d0 DM |
703 | my $service_aliases = { |
704 | 'postfix' => 'postfix@-', | |
705 | 'postgres' => 'postgresql@9.6-main', | |
706 | }; | |
707 | ||
708 | sub lookup_real_service_name { | |
709 | my $alias = shift; | |
710 | ||
711 | return $service_aliases->{$alias} // $alias; | |
712 | } | |
713 | ||
230b4e03 DM |
714 | sub get_full_service_state { |
715 | my ($service) = @_; | |
716 | ||
717 | my $res; | |
718 | ||
719 | my $parser = sub { | |
720 | my $line = shift; | |
721 | if ($line =~ m/^([^=\s]+)=(.*)$/) { | |
722 | $res->{$1} = $2; | |
723 | } | |
724 | }; | |
725 | ||
ef07e4d0 | 726 | $service = $service_aliases->{$service} // $service; |
230b4e03 DM |
727 | PVE::Tools::run_command(['systemctl', 'show', $service], outfunc => $parser); |
728 | ||
729 | return $res; | |
730 | } | |
731 | ||
00d8b7f7 DM |
732 | our $db_service_list = [ |
733 | 'pmgpolicy', 'pmgmirror', 'pmgtunnel', 'pmg-smtp-filter' ]; | |
734 | ||
cfdf6608 DM |
735 | sub service_wait_stopped { |
736 | my ($timeout, $service_list) = @_; | |
737 | ||
738 | my $starttime = time(); | |
739 | ||
740 | foreach my $service (@$service_list) { | |
741 | PVE::Tools::run_command(['systemctl', 'stop', $service]); | |
742 | } | |
743 | ||
744 | while (1) { | |
745 | my $wait = 0; | |
746 | ||
747 | foreach my $service (@$service_list) { | |
748 | my $ss = get_full_service_state($service); | |
749 | my $state = $ss->{ActiveState} // 'unknown'; | |
750 | ||
751 | if ($state ne 'inactive') { | |
752 | if ((time() - $starttime) > $timeout) { | |
753 | syslog('err', "unable to stop services (got timeout)"); | |
754 | $wait = 0; | |
755 | last; | |
756 | } | |
757 | $wait = 1; | |
758 | } | |
759 | } | |
760 | ||
761 | last if !$wait; | |
762 | ||
763 | sleep(1); | |
764 | } | |
765 | } | |
766 | ||
3f85510e DM |
767 | sub service_cmd { |
768 | my ($service, $cmd) = @_; | |
769 | ||
770 | die "unknown service command '$cmd'\n" | |
f6884917 | 771 | if $cmd !~ m/^(start|stop|restart|reload|reload-or-restart)$/; |
3f85510e DM |
772 | |
773 | if ($service eq 'pmgdaemon' || $service eq 'pmgproxy') { | |
f6884917 | 774 | die "invalid service cmd '$service $cmd': ERROR" if $cmd eq 'stop'; |
81fa07d9 DM |
775 | } elsif ($service eq 'fetchmail') { |
776 | # use restart instead of start - else it does not start 'exited' unit | |
777 | # after setting START_DAEMON=yes in /etc/default/fetchmail | |
778 | $cmd = 'restart' if $cmd eq 'start'; | |
3f85510e DM |
779 | } |
780 | ||
ef07e4d0 | 781 | $service = $service_aliases->{$service} // $service; |
3f85510e DM |
782 | PVE::Tools::run_command(['systemctl', $cmd, $service]); |
783 | }; | |
784 | ||
9f67f5b3 DM |
785 | # this is also used to get the IP of the local node |
786 | sub lookup_node_ip { | |
787 | my ($nodename, $noerr) = @_; | |
788 | ||
789 | my ($family, $packed_ip); | |
790 | ||
791 | eval { | |
792 | my @res = PVE::Tools::getaddrinfo_all($nodename); | |
793 | $family = $res[0]->{family}; | |
794 | $packed_ip = (PVE::Tools::unpack_sockaddr_in46($res[0]->{addr}))[2]; | |
795 | }; | |
796 | ||
797 | if ($@) { | |
798 | die "hostname lookup failed:\n$@" if !$noerr; | |
799 | return undef; | |
800 | } | |
801 | ||
802 | my $ip = Socket::inet_ntop($family, $packed_ip); | |
803 | if ($ip =~ m/^127\.|^::1$/) { | |
804 | die "hostname lookup failed - got local IP address ($nodename = $ip)\n" if !$noerr; | |
805 | return undef; | |
806 | } | |
807 | ||
808 | return wantarray ? ($ip, $family) : $ip; | |
809 | } | |
810 | ||
630d1ae3 DM |
811 | sub run_postmap { |
812 | my ($filename) = @_; | |
813 | ||
814 | # make sure the file exists (else postmap fails) | |
815 | IO::File->new($filename, 'a', 0644); | |
816 | ||
1dc946d4 DM |
817 | my $mtime_src = (CORE::stat($filename))[9] // |
818 | die "unbale to read mtime of $filename\n"; | |
819 | ||
820 | my $mtime_dst = (CORE::stat("$filename.db"))[9] // 0; | |
78982d93 DM |
821 | |
822 | # if not changed, do nothing | |
1dc946d4 | 823 | return if $mtime_src <= $mtime_dst; |
78982d93 | 824 | |
630d1ae3 DM |
825 | eval { |
826 | PVE::Tools::run_command( | |
827 | ['/usr/sbin/postmap', $filename], | |
828 | errmsg => "unable to update postfix table $filename"); | |
829 | }; | |
830 | my $err = $@; | |
831 | ||
832 | warn $err if $err; | |
833 | } | |
834 | ||
d17c5265 DM |
835 | sub clamav_dbstat { |
836 | ||
837 | my $res = []; | |
838 | ||
839 | my $read_cvd_info = sub { | |
840 | my ($dbname, $dbfile) = @_; | |
841 | ||
842 | my $header; | |
843 | my $fh = IO::File->new("<$dbfile"); | |
844 | if (!$fh) { | |
845 | warn "cant open ClamAV Database $dbname ($dbfile) - $!\n"; | |
846 | return; | |
847 | } | |
848 | $fh->read($header, 512); | |
849 | $fh->close(); | |
850 | ||
851 | ## ClamAV-VDB:16 Mar 2016 23-17 +0000:57:4218790:60:06386f34a16ebeea2733ab037f0536be: | |
852 | if ($header =~ m/^(ClamAV-VDB):([^:]+):(\d+):(\d+):/) { | |
853 | my ($ftype, $btime, $version, $nsigs) = ($1, $2, $3, $4); | |
854 | push @$res, { | |
855 | name => $dbname, | |
856 | type => $ftype, | |
857 | build_time => $btime, | |
858 | version => $version, | |
859 | nsigs => $nsigs, | |
860 | }; | |
861 | } else { | |
862 | warn "unable to parse ClamAV Database $dbname ($dbfile)\n"; | |
863 | } | |
864 | }; | |
865 | ||
866 | # main database | |
867 | my $filename = "/var/lib/clamav/main.inc/main.info"; | |
868 | $filename = "/var/lib/clamav/main.cvd" if ! -f $filename; | |
869 | ||
870 | $read_cvd_info->('main', $filename) if -f $filename; | |
871 | ||
872 | # daily database | |
873 | $filename = "/var/lib/clamav/daily.inc/daily.info"; | |
874 | $filename = "/var/lib/clamav/daily.cvd" if ! -f $filename; | |
875 | $filename = "/var/lib/clamav/daily.cld" if ! -f $filename; | |
876 | ||
877 | $read_cvd_info->('daily', $filename) if -f $filename; | |
878 | ||
879 | $filename = "/var/lib/clamav/bytecode.cvd"; | |
880 | $read_cvd_info->('bytecode', $filename) if -f $filename; | |
881 | ||
9860e592 DM |
882 | $filename = "/var/lib/clamav/safebrowsing.cvd"; |
883 | $read_cvd_info->('safebrowsing', $filename) if -f $filename; | |
884 | ||
dabcd20e DM |
885 | my $ss_dbs_fn = "/var/lib/clamav-unofficial-sigs/configs/ss-include-dbs.txt"; |
886 | my $ss_dbs_files = {}; | |
887 | if (my $ssfh = IO::File->new("<${ss_dbs_fn}")) { | |
888 | while (defined(my $line = <$ssfh>)) { | |
889 | chomp $line; | |
890 | $ss_dbs_files->{$line} = 1; | |
891 | } | |
892 | } | |
d17c5265 DM |
893 | my $last = 0; |
894 | my $nsigs = 0; | |
895 | foreach $filename (</var/lib/clamav/*>) { | |
dabcd20e DM |
896 | my $fn = basename($filename); |
897 | next if !$ss_dbs_files->{$fn}; | |
898 | ||
d17c5265 DM |
899 | my $fh = IO::File->new("<$filename"); |
900 | next if !defined($fh); | |
901 | my $st = stat($fh); | |
902 | next if !$st; | |
903 | my $mtime = $st->mtime(); | |
904 | $last = $mtime if $mtime > $last; | |
905 | while (defined(my $line = <$fh>)) { $nsigs++; } | |
906 | } | |
907 | ||
908 | if ($nsigs > 0) { | |
909 | push @$res, { | |
9860e592 | 910 | name => 'sanesecurity', |
d17c5265 | 911 | type => 'unofficial', |
2d011fef | 912 | build_time => strftime("%d %b %Y %H-%M %z", localtime($last)), |
d17c5265 DM |
913 | nsigs => $nsigs, |
914 | }; | |
915 | } | |
916 | ||
917 | return $res; | |
918 | } | |
919 | ||
dff363d9 DM |
920 | # RRD related code |
921 | my $rrd_dir = "/var/lib/rrdcached/db"; | |
922 | my $rrdcached_socket = "/var/run/rrdcached.sock"; | |
923 | ||
924 | my $rrd_def_node = [ | |
925 | "DS:loadavg:GAUGE:120:0:U", | |
926 | "DS:maxcpu:GAUGE:120:0:U", | |
927 | "DS:cpu:GAUGE:120:0:U", | |
928 | "DS:iowait:GAUGE:120:0:U", | |
929 | "DS:memtotal:GAUGE:120:0:U", | |
930 | "DS:memused:GAUGE:120:0:U", | |
931 | "DS:swaptotal:GAUGE:120:0:U", | |
932 | "DS:swapused:GAUGE:120:0:U", | |
933 | "DS:roottotal:GAUGE:120:0:U", | |
934 | "DS:rootused:GAUGE:120:0:U", | |
935 | "DS:netin:DERIVE:120:0:U", | |
936 | "DS:netout:DERIVE:120:0:U", | |
937 | ||
938 | "RRA:AVERAGE:0.5:1:70", # 1 min avg - one hour | |
939 | "RRA:AVERAGE:0.5:30:70", # 30 min avg - one day | |
940 | "RRA:AVERAGE:0.5:180:70", # 3 hour avg - one week | |
941 | "RRA:AVERAGE:0.5:720:70", # 12 hour avg - one month | |
942 | "RRA:AVERAGE:0.5:10080:70", # 7 day avg - ony year | |
943 | ||
944 | "RRA:MAX:0.5:1:70", # 1 min max - one hour | |
945 | "RRA:MAX:0.5:30:70", # 30 min max - one day | |
946 | "RRA:MAX:0.5:180:70", # 3 hour max - one week | |
947 | "RRA:MAX:0.5:720:70", # 12 hour max - one month | |
948 | "RRA:MAX:0.5:10080:70", # 7 day max - ony year | |
949 | ]; | |
950 | ||
951 | sub cond_create_rrd_file { | |
952 | my ($filename, $rrddef) = @_; | |
953 | ||
954 | return if -f $filename; | |
955 | ||
956 | my @args = ($filename); | |
957 | ||
958 | push @args, "--daemon" => "unix:${rrdcached_socket}" | |
959 | if -S $rrdcached_socket; | |
960 | ||
961 | push @args, '--step', 60; | |
962 | ||
963 | push @args, @$rrddef; | |
964 | ||
965 | # print "TEST: " . join(' ', @args) . "\n"; | |
966 | ||
967 | RRDs::create(@args); | |
968 | my $err = RRDs::error; | |
969 | die "RRD error: $err\n" if $err; | |
970 | } | |
971 | ||
972 | sub update_node_status_rrd { | |
973 | ||
974 | my $filename = "$rrd_dir/pmg-node-v1.rrd"; | |
975 | cond_create_rrd_file($filename, $rrd_def_node); | |
976 | ||
977 | my ($avg1, $avg5, $avg15) = PVE::ProcFSTools::read_loadavg(); | |
978 | ||
979 | my $stat = PVE::ProcFSTools::read_proc_stat(); | |
980 | ||
981 | my $netdev = PVE::ProcFSTools::read_proc_net_dev(); | |
982 | ||
983 | my ($uptime) = PVE::ProcFSTools::read_proc_uptime(); | |
984 | ||
985 | my $cpuinfo = PVE::ProcFSTools::read_cpuinfo(); | |
986 | ||
987 | my $maxcpu = $cpuinfo->{cpus}; | |
988 | ||
989 | # traffic from/to physical interface cards | |
990 | my $netin = 0; | |
991 | my $netout = 0; | |
992 | foreach my $dev (keys %$netdev) { | |
170295f8 | 993 | next if $dev !~ m/^$PVE::Network::PHYSICAL_NIC_RE$/; |
dff363d9 DM |
994 | $netin += $netdev->{$dev}->{receive}; |
995 | $netout += $netdev->{$dev}->{transmit}; | |
996 | } | |
997 | ||
998 | my $meminfo = PVE::ProcFSTools::read_meminfo(); | |
999 | ||
1000 | my $dinfo = df('/', 1); # output is bytes | |
1001 | ||
1002 | my $ctime = time(); | |
1003 | ||
1004 | # everything not free is considered to be used | |
1005 | my $dused = $dinfo->{blocks} - $dinfo->{bfree}; | |
1006 | ||
1007 | my $data = "$ctime:$avg1:$maxcpu:$stat->{cpu}:$stat->{wait}:" . | |
1008 | "$meminfo->{memtotal}:$meminfo->{memused}:" . | |
1009 | "$meminfo->{swaptotal}:$meminfo->{swapused}:" . | |
1010 | "$dinfo->{blocks}:$dused:$netin:$netout"; | |
1011 | ||
1012 | ||
1013 | my @args = ($filename); | |
1014 | ||
1015 | push @args, "--daemon" => "unix:${rrdcached_socket}" | |
1016 | if -S $rrdcached_socket; | |
1017 | ||
1018 | push @args, $data; | |
1019 | ||
1020 | # print "TEST: " . join(' ', @args) . "\n"; | |
1021 | ||
1022 | RRDs::update(@args); | |
1023 | my $err = RRDs::error; | |
1024 | die "RRD error: $err\n" if $err; | |
1025 | } | |
1026 | ||
065b2986 DM |
1027 | sub create_rrd_data { |
1028 | my ($rrdname, $timeframe, $cf) = @_; | |
1029 | ||
1030 | my $rrd = "${rrd_dir}/$rrdname"; | |
1031 | ||
1032 | my $setup = { | |
1033 | hour => [ 60, 70 ], | |
1034 | day => [ 60*30, 70 ], | |
1035 | week => [ 60*180, 70 ], | |
1036 | month => [ 60*720, 70 ], | |
1037 | year => [ 60*10080, 70 ], | |
1038 | }; | |
1039 | ||
1040 | my ($reso, $count) = @{$setup->{$timeframe}}; | |
1041 | my $ctime = $reso*int(time()/$reso); | |
1042 | my $req_start = $ctime - $reso*$count; | |
1043 | ||
1044 | $cf = "AVERAGE" if !$cf; | |
1045 | ||
1046 | my @args = ( | |
1047 | "-s" => $req_start, | |
1048 | "-e" => $ctime - 1, | |
1049 | "-r" => $reso, | |
1050 | ); | |
1051 | ||
1052 | push @args, "--daemon" => "unix:${rrdcached_socket}" | |
1053 | if -S $rrdcached_socket; | |
1054 | ||
1055 | my ($start, $step, $names, $data) = RRDs::fetch($rrd, $cf, @args); | |
1056 | ||
1057 | my $err = RRDs::error; | |
1058 | die "RRD error: $err\n" if $err; | |
1059 | ||
1060 | die "got wrong time resolution ($step != $reso)\n" | |
1061 | if $step != $reso; | |
1062 | ||
1063 | my $res = []; | |
1064 | my $fields = scalar(@$names); | |
1065 | for my $line (@$data) { | |
1066 | my $entry = { 'time' => $start }; | |
1067 | $start += $step; | |
1068 | for (my $i = 0; $i < $fields; $i++) { | |
1069 | my $name = $names->[$i]; | |
1070 | if (defined(my $val = $line->[$i])) { | |
1071 | $entry->{$name} = $val; | |
1072 | } else { | |
1073 | # leave empty fields undefined | |
1074 | # maybe make this configurable? | |
1075 | } | |
1076 | } | |
1077 | push @$res, $entry; | |
1078 | } | |
1079 | ||
1080 | return $res; | |
1081 | } | |
1082 | ||
8da6f9ec DM |
1083 | sub decode_to_html { |
1084 | my ($charset, $data) = @_; | |
1085 | ||
1086 | my $res = $data; | |
1087 | ||
1088 | eval { $res = encode_entities(decode($charset, $data)); }; | |
1089 | ||
1090 | return $res; | |
1091 | } | |
1092 | ||
46f9e9af DM |
1093 | sub decode_rfc1522 { |
1094 | my ($enc) = @_; | |
1095 | ||
1096 | my $res = ''; | |
1097 | ||
1098 | return '' if !$enc; | |
1099 | ||
1100 | eval { | |
1101 | foreach my $r (MIME::Words::decode_mimewords($enc)) { | |
1102 | my ($d, $cs) = @$r; | |
1103 | if ($d) { | |
1104 | if ($cs) { | |
1105 | $res .= decode($cs, $d); | |
1106 | } else { | |
1107 | $res .= $d; | |
1108 | } | |
1109 | } | |
1110 | } | |
1111 | }; | |
1112 | ||
1113 | $res = $enc if $@; | |
1114 | ||
1115 | return $res; | |
1116 | } | |
1117 | ||
9a56f771 DM |
1118 | sub rfc1522_to_html { |
1119 | my ($enc) = @_; | |
1120 | ||
1121 | my $res = ''; | |
1122 | ||
1123 | return '' if !$enc; | |
1124 | ||
1125 | eval { | |
1126 | foreach my $r (MIME::Words::decode_mimewords($enc)) { | |
1127 | my ($d, $cs) = @$r; | |
1128 | if ($d) { | |
1129 | if ($cs) { | |
1130 | $res .= encode_entities(decode($cs, $d)); | |
1131 | } else { | |
1132 | $res .= encode_entities($d); | |
1133 | } | |
1134 | } | |
1135 | } | |
1136 | }; | |
1137 | ||
1138 | $res = $enc if $@; | |
1139 | ||
1140 | return $res; | |
1141 | } | |
1142 | ||
9d26ab13 DM |
1143 | # RFC 2047 B-ENCODING http://rfc.net/rfc2047.html |
1144 | # (Q-Encoding is complex and error prone) | |
1145 | sub bencode_header { | |
1146 | my $txt = shift; | |
1147 | ||
1148 | my $CRLF = "\015\012"; | |
1149 | ||
1150 | # Nonprintables (controls + x7F + 8bit): | |
1151 | my $NONPRINT = "\\x00-\\x1F\\x7F-\\xFF"; | |
1152 | ||
1153 | # always use utf-8 (work with japanese character sets) | |
1154 | $txt = encode("UTF-8", $txt); | |
1155 | ||
1156 | return $txt if $txt !~ /[$NONPRINT]/o; | |
1157 | ||
1158 | my $res = ''; | |
1159 | ||
1160 | while ($txt =~ s/^(.{1,42})//sm) { | |
1161 | my $t = MIME::Words::encode_mimeword ($1, 'B', 'UTF-8'); | |
1162 | $res .= $res ? "\015\012\t$t" : $t; | |
1163 | } | |
1164 | ||
1165 | return $res; | |
1166 | } | |
1167 | ||
7d89adf4 | 1168 | sub load_sa_descriptions { |
e325aa6f | 1169 | my ($additional_dirs) = @_; |
7d89adf4 DM |
1170 | |
1171 | my @dirs = ('/usr/share/spamassassin', | |
1172 | '/usr/share/spamassassin-extra'); | |
1173 | ||
e325aa6f DC |
1174 | push @dirs, @$additional_dirs if @$additional_dirs; |
1175 | ||
7d89adf4 DM |
1176 | my $res = {}; |
1177 | ||
1178 | my $parse_sa_file = sub { | |
1179 | my ($file) = @_; | |
1180 | ||
1181 | open(my $fh,'<', $file); | |
1182 | return if !defined($fh); | |
1183 | ||
1184 | while (defined(my $line = <$fh>)) { | |
1185 | if ($line =~ m/^describe\s+(\S+)\s+(.*)\s*$/) { | |
1186 | my ($name, $desc) = ($1, $2); | |
1187 | next if $res->{$name}; | |
1188 | $res->{$name}->{desc} = $desc; | |
1189 | if ($desc =~ m|[\(\s](http:\/\/\S+\.[^\s\.\)]+\.[^\s\.\)]+)|i) { | |
1190 | $res->{$name}->{url} = $1; | |
1191 | } | |
1192 | } | |
1193 | } | |
1194 | close($fh); | |
1195 | }; | |
1196 | ||
1197 | foreach my $dir (@dirs) { | |
1198 | foreach my $file (<$dir/*.cf>) { | |
1199 | $parse_sa_file->($file); | |
1200 | } | |
1201 | } | |
1202 | ||
cda67dee | 1203 | $res->{'ClamAVHeuristics'}->{desc} = "ClamAV heuristic tests"; |
0d5209bf | 1204 | |
7d89adf4 DM |
1205 | return $res; |
1206 | } | |
1207 | ||
8162c745 DM |
1208 | sub format_uptime { |
1209 | my ($uptime) = @_; | |
1210 | ||
1211 | my $days = int($uptime/86400); | |
1212 | $uptime -= $days*86400; | |
1213 | ||
1214 | my $hours = int($uptime/3600); | |
1215 | $uptime -= $hours*3600; | |
1216 | ||
1217 | my $mins = $uptime/60; | |
1218 | ||
1219 | if ($days) { | |
1220 | my $ds = $days > 1 ? 'days' : 'day'; | |
1221 | return sprintf "%d $ds %02d:%02d", $days, $hours, $mins; | |
1222 | } else { | |
1223 | return sprintf "%02d:%02d", $hours, $mins; | |
1224 | } | |
1225 | } | |
1226 | ||
3dfe317a DM |
1227 | sub finalize_report { |
1228 | my ($tt, $template, $data, $mailfrom, $receiver, $debug) = @_; | |
1229 | ||
1230 | my $html = ''; | |
1231 | ||
1232 | $tt->process($template, $data, \$html) || | |
1233 | die $tt->error() . "\n"; | |
1234 | ||
1235 | my $title; | |
1236 | if ($html =~ m|^\s*<title>(.*)</title>|m) { | |
1237 | $title = $1; | |
1238 | } else { | |
1239 | die "unable to extract template title\n"; | |
1240 | } | |
1241 | ||
1242 | my $top = MIME::Entity->build( | |
1243 | Type => "multipart/related", | |
1244 | To => $data->{pmail}, | |
1245 | From => $mailfrom, | |
1246 | Subject => bencode_header(decode_entities($title))); | |
1247 | ||
1248 | $top->attach( | |
1249 | Data => $html, | |
1250 | Type => "text/html", | |
1251 | Encoding => $debug ? 'binary' : 'quoted-printable'); | |
1252 | ||
1253 | if ($debug) { | |
1254 | $top->print(); | |
1255 | return; | |
1256 | } | |
1257 | # we use an empty envelope sender (we dont want to receive NDRs) | |
1258 | PMG::Utils::reinject_mail ($top, '', [$receiver], undef, $data->{fqdn}); | |
1259 | } | |
1260 | ||
2f7031b7 DM |
1261 | sub lookup_timespan { |
1262 | my ($timespan) = @_; | |
1263 | ||
1264 | my (undef, undef, undef, $mday, $mon, $year) = localtime(time()); | |
1265 | my $daystart = timelocal(0, 0, 0, $mday, $mon, $year); | |
1266 | ||
1267 | my $start; | |
1268 | my $end; | |
1269 | ||
1270 | if ($timespan eq 'today') { | |
1271 | $start = $daystart; | |
1272 | $end = $start + 86400; | |
1273 | } elsif ($timespan eq 'yesterday') { | |
1274 | $end = $daystart; | |
1275 | $start = $end - 86400; | |
1276 | } elsif ($timespan eq 'week') { | |
1277 | $end = $daystart; | |
1278 | $start = $end - 7*86400; | |
1279 | } else { | |
1280 | die "internal error"; | |
1281 | } | |
1282 | ||
1283 | return ($start, $end); | |
1284 | } | |
1285 | ||
17a7c6c9 DM |
1286 | my $rbl_scan_last_cursor; |
1287 | my $rbl_scan_start_time = time(); | |
1288 | ||
1289 | sub scan_journal_for_rbl_rejects { | |
1290 | ||
1291 | # example postscreen log entry for RBL rejects | |
1292 | # Aug 29 08:00:36 proxmox postfix/postscreen[11266]: NOQUEUE: reject: RCPT from [x.x.x.x]:1234: 550 5.7.1 Service unavailable; client [x.x.x.x] blocked using zen.spamhaus.org; from=<xxxx>, to=<yyyy>, proto=ESMTP, helo=<zzz> | |
1293 | ||
2e0e3415 DM |
1294 | # example for PREGREET reject |
1295 | # Dec 7 06:57:11 proxmox postfix/postscreen[32084]: PREGREET 14 after 0.23 from [x.x.x.x]:63492: EHLO yyyyy\r\n | |
1296 | ||
17a7c6c9 DM |
1297 | my $identifier = 'postfix/postscreen'; |
1298 | ||
2e0e3415 DM |
1299 | my $rbl_count = 0; |
1300 | my $pregreet_count = 0; | |
17a7c6c9 DM |
1301 | |
1302 | my $parser = sub { | |
1303 | my $line = shift; | |
1304 | ||
1305 | if ($line =~ m/^--\scursor:\s(\S+)$/) { | |
1306 | $rbl_scan_last_cursor = $1; | |
1307 | return; | |
1308 | } | |
1309 | ||
2e0e3415 DM |
1310 | if ($line =~ m/\s$identifier\[\d+\]:\sNOQUEUE:\sreject:.*550 5.7.1 Service unavailable;/) { |
1311 | $rbl_count++; | |
1312 | } elsif ($line =~ m/\s$identifier\[\d+\]:\sPREGREET\s\d+\safter\s/) { | |
1313 | $pregreet_count++; | |
1314 | } | |
17a7c6c9 DM |
1315 | }; |
1316 | ||
1317 | # limit to last 5000 lines to avoid long delays | |
1318 | my $cmd = ['journalctl', '--show-cursor', '-o', 'short-unix', '--no-pager', | |
1319 | '--identifier', $identifier, '-n', 5000]; | |
1320 | ||
1321 | if (defined($rbl_scan_last_cursor)) { | |
1322 | push @$cmd, "--after-cursor=${rbl_scan_last_cursor}"; | |
1323 | } else { | |
1324 | push @$cmd, "--since=@" . $rbl_scan_start_time; | |
1325 | } | |
1326 | ||
1327 | PVE::Tools::run_command($cmd, outfunc => $parser); | |
1328 | ||
2e0e3415 | 1329 | return ($rbl_count, $pregreet_count); |
17a7c6c9 DM |
1330 | } |
1331 | ||
5d5af7c5 DM |
1332 | my $hwaddress; |
1333 | ||
1334 | sub get_hwaddress { | |
1335 | ||
1336 | return $hwaddress if defined ($hwaddress); | |
1337 | ||
1338 | my $fn = '/etc/ssh/ssh_host_rsa_key.pub'; | |
1339 | my $sshkey = PVE::Tools::file_get_contents($fn); | |
1340 | $hwaddress = uc(Digest::MD5::md5_hex($sshkey)); | |
1341 | ||
1342 | return $hwaddress; | |
1343 | } | |
1344 | ||
75ce5866 DM |
1345 | my $default_locale = "en_US.UTF-8 UTF-8"; |
1346 | ||
1347 | sub cond_add_default_locale { | |
1348 | ||
1349 | my $filename = "/etc/locale.gen"; | |
1350 | ||
1351 | open(my $infh, "<", $filename) || return; | |
1352 | ||
1353 | while (defined(my $line = <$infh>)) { | |
1354 | if ($line =~ m/^\Q${default_locale}\E/) { | |
1355 | # already configured | |
1356 | return; | |
1357 | } | |
1358 | } | |
1359 | ||
1360 | seek($infh, 0, 0) // return; # seek failed | |
1361 | ||
1362 | open(my $outfh, ">", "$filename.tmp") || return; | |
1363 | ||
1364 | my $done; | |
1365 | while (defined(my $line = <$infh>)) { | |
1366 | if ($line =~ m/^#\s*\Q${default_locale}\E.*/) { | |
1367 | print $outfh "${default_locale}\n" if !$done; | |
1368 | $done = 1; | |
1369 | } else { | |
1370 | print $outfh $line; | |
1371 | } | |
1372 | } | |
1373 | ||
1374 | print STDERR "generation pmg default locale\n"; | |
1375 | ||
1376 | rename("$filename.tmp", $filename) || return; # rename failed | |
1377 | ||
1378 | system("dpkg-reconfigure locales -f noninteractive"); | |
1379 | } | |
1380 | ||
758c7b6b | 1381 | 1; |