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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); |
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 | |
6529020a SI |
40 | use base 'Exporter'; |
41 | ||
42 | our @EXPORT_OK = qw( | |
43 | postgres_admin_cmd | |
44 | ); | |
45 | ||
6c54c10a | 46 | my $valid_pmg_realms = ['pam', 'pmg', 'quarantine']; |
62ebb4bc DM |
47 | |
48 | PVE::JSONSchema::register_standard_option('realm', { | |
49 | description => "Authentication domain ID", | |
6c54c10a DM |
50 | type => 'string', |
51 | enum => $valid_pmg_realms, | |
62ebb4bc DM |
52 | maxLength => 32, |
53 | }); | |
54 | ||
6214b5cf DM |
55 | PVE::JSONSchema::register_standard_option('pmg-starttime', { |
56 | description => "Only consider entries newer than 'starttime' (unix epoch). Default is 'now - 1day'.", | |
57 | type => 'integer', | |
58 | minimum => 0, | |
59 | optional => 1, | |
60 | }); | |
61 | ||
62 | PVE::JSONSchema::register_standard_option('pmg-endtime', { | |
63 | description => "Only consider entries older than 'endtime' (unix epoch). This is set to '<start> + 1day' by default.", | |
64 | type => 'integer', | |
65 | minimum => 1, | |
66 | optional => 1, | |
67 | }); | |
68 | ||
62ebb4bc DM |
69 | PVE::JSONSchema::register_format('pmg-userid', \&verify_username); |
70 | sub verify_username { | |
71 | my ($username, $noerr) = @_; | |
72 | ||
73 | $username = '' if !$username; | |
74 | my $len = length($username); | |
75 | if ($len < 3) { | |
76 | die "user name '$username' is too short\n" if !$noerr; | |
77 | return undef; | |
78 | } | |
79 | if ($len > 64) { | |
80 | die "user name '$username' is too long ($len > 64)\n" if !$noerr; | |
81 | return undef; | |
82 | } | |
83 | ||
84 | # we only allow a limited set of characters | |
85 | # colon is not allowed, because we store usernames in | |
86 | # colon separated lists)! | |
87 | # slash is not allowed because it is used as pve API delimiter | |
88 | # also see "man useradd" | |
6c54c10a DM |
89 | my $realm_list = join('|', @$valid_pmg_realms); |
90 | if ($username =~ m!^([^\s:/]+)\@(${realm_list})$!) { | |
62ebb4bc DM |
91 | return wantarray ? ($username, $1, $2) : $username; |
92 | } | |
93 | ||
94 | die "value '$username' does not look like a valid user name\n" if !$noerr; | |
95 | ||
96 | return undef; | |
97 | } | |
98 | ||
99 | PVE::JSONSchema::register_standard_option('userid', { | |
100 | description => "User ID", | |
101 | type => 'string', format => 'pmg-userid', | |
6b0180c3 | 102 | minLength => 4, |
62ebb4bc | 103 | maxLength => 64, |
6b0180c3 | 104 | }); |
62ebb4bc DM |
105 | |
106 | PVE::JSONSchema::register_standard_option('username', { | |
107 | description => "Username (without realm)", | |
108 | type => 'string', | |
109 | pattern => '[^\s:\/\@]{3,60}', | |
6b0180c3 | 110 | minLength => 4, |
62ebb4bc DM |
111 | maxLength => 64, |
112 | }); | |
113 | ||
01929101 DM |
114 | PVE::JSONSchema::register_standard_option('pmg-email-address', { |
115 | description => "Email Address (allow most characters).", | |
116 | type => 'string', | |
9eec07fb | 117 | pattern => '(?:[^\s\/\\\@]+\@[^\s\/\\\@]+)', |
01929101 DM |
118 | maxLength => 512, |
119 | minLength => 3, | |
120 | }); | |
121 | ||
1a1bde13 DC |
122 | PVE::JSONSchema::register_standard_option('pmg-whiteblacklist-entry-list', { |
123 | description => "White/Blacklist entry list (allow most characters). Can contain globs", | |
124 | type => 'string', | |
125 | pattern => '(?:[^\s\/\\\;\,]+)(?:\,[^\s\/\\\;\,]+)*', | |
126 | minLength => 3, | |
127 | }); | |
128 | ||
758c7b6b DM |
129 | sub lastid { |
130 | my ($dbh, $seq) = @_; | |
131 | ||
132 | return $dbh->last_insert_id( | |
133 | undef, undef, undef, undef, { sequence => $seq}); | |
134 | } | |
135 | ||
ab466078 DM |
136 | # quote all regex operators |
137 | sub quote_regex { | |
138 | my $val = shift; | |
139 | ||
140 | $val =~ s/([\(\)\[\]\/\}\+\*\?\.\|\^\$\\])/\\$1/g; | |
141 | ||
142 | return $val; | |
143 | } | |
144 | ||
cad3d400 DM |
145 | sub file_older_than { |
146 | my ($filename, $lasttime) = @_; | |
147 | ||
148 | my $st = stat($filename); | |
149 | ||
150 | return 0 if !defined($st); | |
151 | ||
152 | return ($lasttime >= $st->ctime); | |
153 | } | |
154 | ||
758c7b6b DM |
155 | sub extract_filename { |
156 | my ($head) = @_; | |
157 | ||
158 | if (my $value = $head->recommended_filename()) { | |
8210c7fa | 159 | chomp $value; |
758c7b6b DM |
160 | if (my $decvalue = MIME::Words::decode_mimewords($value)) { |
161 | $decvalue =~ s/\0/ /g; | |
5953119e | 162 | $decvalue = PVE::Tools::trim($decvalue); |
758c7b6b DM |
163 | return $decvalue; |
164 | } | |
165 | } | |
166 | ||
167 | return undef; | |
168 | } | |
169 | ||
170 | sub remove_marks { | |
171 | my ($entity, $add_id, $id) = @_; | |
172 | ||
173 | $id //= 1; | |
174 | ||
175 | foreach my $tag (grep {/^x-proxmox-tmp/i} $entity->head->tags) { | |
176 | $entity->head->delete ($tag); | |
177 | } | |
178 | ||
179 | $entity->head->replace('X-Proxmox-tmp-AID', $id) if $add_id; | |
180 | ||
181 | foreach my $part ($entity->parts) { | |
182 | $id = remove_marks($part, $add_id, $id + 1); | |
183 | } | |
184 | ||
185 | return $id; | |
186 | } | |
187 | ||
188 | sub subst_values { | |
189 | my ($body, $dh) = @_; | |
190 | ||
191 | return if !$body; | |
192 | ||
193 | foreach my $k (keys %$dh) { | |
194 | my $v = $dh->{$k}; | |
bd98f5a1 DM |
195 | if (defined($v)) { |
196 | $body =~ s/__\Q${k}\E__/$v/gs; | |
758c7b6b DM |
197 | } |
198 | } | |
199 | ||
200 | return $body; | |
201 | } | |
202 | ||
203 | sub reinject_mail { | |
204 | my ($entity, $sender, $targets, $xforward, $me, $nodsn) = @_; | |
205 | ||
206 | my $smtp; | |
207 | my $resid; | |
208 | my $rescode; | |
209 | my $resmess; | |
210 | ||
211 | eval { | |
212 | my $smtp = Net::SMTP->new('127.0.0.1', Port => 10025, Hello => $me) || | |
213 | die "unable to connect to localhost at port 10025"; | |
214 | ||
215 | if (defined($xforward)) { | |
216 | my $xfwd; | |
8210c7fa | 217 | |
758c7b6b DM |
218 | foreach my $attr (keys %{$xforward}) { |
219 | $xfwd .= " $attr=$xforward->{$attr}"; | |
220 | } | |
221 | ||
222 | if ($xfwd && $smtp->command("XFORWARD", $xfwd)->response() != CMD_OK) { | |
223 | syslog('err', "xforward error - got: %s %s", $smtp->code, scalar($smtp->message)); | |
224 | } | |
225 | } | |
226 | ||
00eaaf69 DM |
227 | my $has_utf8_targets = 0; |
228 | foreach my $target (@$targets) { | |
229 | if (utf8::is_utf8($target)) { | |
230 | $has_utf8_targets = 1; | |
231 | last; | |
232 | } | |
233 | } | |
234 | ||
235 | my $mail_opts = " BODY=8BITMIME"; | |
236 | my $sender_addr; | |
237 | if (utf8::is_utf8($sender)) { | |
238 | $sender_addr = encode('UTF-8', $smtp->_addr($sender)); | |
239 | $mail_opts .= " SMTPUTF8"; | |
240 | } else { | |
241 | $sender_addr = $smtp->_addr($sender); | |
242 | $mail_opts .= " SMTPUTF8" if $has_utf8_targets; | |
243 | } | |
244 | ||
245 | if (!$smtp->_MAIL("FROM:" . $sender_addr . $mail_opts)) { | |
758c7b6b DM |
246 | syslog('err', "smtp error - got: %s %s", $smtp->code, scalar ($smtp->message)); |
247 | die "smtp from: ERROR"; | |
248 | } | |
249 | ||
00eaaf69 | 250 | my $rcpt_opts = $nodsn ? " NOTIFY=NEVER" : ""; |
758c7b6b | 251 | |
00eaaf69 DM |
252 | foreach my $target (@$targets) { |
253 | my $rcpt_addr; | |
254 | if (utf8::is_utf8($target)) { | |
255 | $rcpt_addr = encode('UTF-8', $smtp->_addr($target)); | |
256 | } else { | |
257 | $rcpt_addr = $smtp->_addr($target); | |
258 | } | |
259 | if (!$smtp->_RCPT("TO:" . $rcpt_addr . $rcpt_opts)) { | |
260 | syslog ('err', "smtp error - got: %s %s", $smtp->code, scalar($smtp->message)); | |
261 | die "smtp to: ERROR"; | |
262 | } | |
758c7b6b DM |
263 | } |
264 | ||
265 | # Output the head: | |
266 | #$entity->sync_headers (); | |
267 | $smtp->data(); | |
268 | ||
269 | my $out = PMG::SMTPPrinter->new($smtp); | |
270 | $entity->print($out); | |
8210c7fa DM |
271 | |
272 | # make sure we always have a newline at the end of the mail | |
758c7b6b DM |
273 | # else dataend() fails |
274 | $smtp->datasend("\n"); | |
275 | ||
276 | if ($smtp->dataend()) { | |
277 | my @msgs = $smtp->message; | |
8210c7fa DM |
278 | $resmess = $msgs[$#msgs]; |
279 | ($resid) = $resmess =~ m/Ok: queued as ([0-9A-Z]+)/; | |
758c7b6b DM |
280 | $rescode = $smtp->code; |
281 | if (!$resid) { | |
282 | die sprintf("unexpected SMTP result - got: %s %s : WARNING", $smtp->code, $resmess); | |
8210c7fa | 283 | } |
758c7b6b DM |
284 | } else { |
285 | my @msgs = $smtp->message; | |
8210c7fa | 286 | $resmess = $msgs[$#msgs]; |
758c7b6b DM |
287 | $rescode = $smtp->code; |
288 | die sprintf("sending data failed - got: %s %s : ERROR", $smtp->code, $resmess); | |
289 | } | |
290 | }; | |
291 | my $err = $@; | |
8210c7fa | 292 | |
758c7b6b | 293 | $smtp->quit if $smtp; |
8210c7fa | 294 | |
758c7b6b DM |
295 | if ($err) { |
296 | syslog ('err', $err); | |
297 | } | |
298 | ||
299 | return wantarray ? ($resid, $rescode, $resmess) : $resid; | |
300 | } | |
301 | ||
89d4d155 SI |
302 | sub analyze_custom_check { |
303 | my ($queue, $dname, $pmg_cfg) = @_; | |
304 | ||
305 | my $enable_custom_check = $pmg_cfg->get('admin', 'custom_check'); | |
306 | return undef if !$enable_custom_check; | |
307 | ||
308 | my $timeout = 60*5; | |
309 | my $customcheck_exe = $pmg_cfg->get('admin', 'custom_check_path'); | |
310 | my $customcheck_apiver = 'v1'; | |
311 | my ($csec, $usec) = gettimeofday(); | |
312 | ||
313 | my $vinfo; | |
314 | my $spam_score; | |
315 | ||
316 | eval { | |
317 | ||
318 | my $log_err = sub { | |
319 | my ($errmsg) = @_; | |
320 | $errmsg =~ s/%/%%/; | |
321 | syslog('err', $errmsg); | |
322 | }; | |
323 | ||
324 | my $customcheck_output_apiver; | |
325 | my $have_result; | |
326 | my $parser = sub { | |
327 | my ($line) = @_; | |
328 | ||
329 | my $result_flag; | |
330 | if ($line =~ /^v\d$/) { | |
331 | die "api version already defined!\n" if defined($customcheck_output_apiver); | |
332 | $customcheck_output_apiver = $line; | |
333 | die "api version mismatch - expected $customcheck_apiver, got $customcheck_output_apiver !\n" | |
334 | if ($customcheck_output_apiver ne $customcheck_apiver); | |
335 | } elsif ($line =~ /^SCORE: (-?[0-9]+|.[0-9]+|[0-9]+.[0-9]+)$/) { | |
336 | $spam_score = $1; | |
337 | $result_flag = 1; | |
338 | } elsif ($line =~ /^VIRUS: (.+)$/) { | |
339 | $vinfo = $1; | |
340 | $result_flag = 1; | |
341 | } elsif ($line =~ /^OK$/) { | |
342 | $result_flag = 1; | |
343 | } else { | |
344 | die "got unexpected output!\n"; | |
345 | } | |
346 | die "got more than 1 result outputs\n" if ( $have_result && $result_flag); | |
347 | $have_result = $result_flag; | |
348 | }; | |
349 | ||
350 | PVE::Tools::run_command([$customcheck_exe, $customcheck_apiver, $dname], | |
351 | errmsg => "$queue->{logid} custom check error", | |
352 | errfunc => $log_err, outfunc => $parser, timeout => $timeout); | |
353 | ||
354 | die "no api version returned\n" if !defined($customcheck_output_apiver); | |
355 | die "no result output!\n" if !$have_result; | |
356 | }; | |
357 | my $err = $@; | |
358 | ||
359 | if ($vinfo) { | |
360 | syslog('info', "$queue->{logid}: virus detected: $vinfo (custom)"); | |
361 | } | |
362 | ||
363 | my ($csec_end, $usec_end) = gettimeofday(); | |
364 | $queue->{ptime_custom} = | |
365 | int (($csec_end-$csec)*1000 + ($usec_end - $usec)/1000); | |
366 | ||
367 | if ($err) { | |
368 | syslog ('err', $err); | |
369 | $vinfo = undef; | |
370 | $queue->{errors} = 1; | |
371 | } | |
372 | ||
373 | $queue->{vinfo_custom} = $vinfo; | |
374 | $queue->{spam_custom} = $spam_score; | |
375 | ||
376 | return ($vinfo, $spam_score); | |
377 | } | |
378 | ||
8210c7fa DM |
379 | sub analyze_virus_clam { |
380 | my ($queue, $dname, $pmg_cfg) = @_; | |
381 | ||
382 | my $timeout = 60*5; | |
383 | my $vinfo; | |
384 | ||
385 | my $clamdscan_opts = "--stdout"; | |
386 | ||
387 | my ($csec, $usec) = gettimeofday(); | |
388 | ||
389 | my $previous_alarm; | |
390 | ||
391 | eval { | |
392 | ||
393 | $previous_alarm = alarm($timeout); | |
394 | ||
395 | $SIG{ALRM} = sub { | |
396 | die "$queue->{logid}: Maximum time ($timeout sec) exceeded. " . | |
397 | "virus analyze (clamav) failed: ERROR"; | |
398 | }; | |
399 | ||
400 | open(CMD, "/usr/bin/clamdscan $clamdscan_opts '$dname'|") || | |
401 | die "$queue->{logid}: can't exec clamdscan: $! : ERROR"; | |
402 | ||
403 | my $ifiles; | |
8210c7fa | 404 | |
54eaf7df DM |
405 | my $response = ''; |
406 | while (defined(my $line = <CMD>)) { | |
407 | if ($line =~ m/^$dname.*:\s+([^ :]*)\s+FOUND$/) { | |
8210c7fa DM |
408 | # we just use the first detected virus name |
409 | $vinfo = $1 if !$vinfo; | |
54eaf7df | 410 | } elsif ($line =~ m/^Infected files:\s(\d*)$/i) { |
8210c7fa DM |
411 | $ifiles = $1; |
412 | } | |
413 | ||
54eaf7df | 414 | $response .= $line; |
8210c7fa DM |
415 | } |
416 | ||
417 | close(CMD); | |
418 | ||
419 | alarm(0); # avoid race conditions | |
420 | ||
421 | if (!defined($ifiles)) { | |
422 | die "$queue->{logid}: got undefined output from " . | |
54eaf7df | 423 | "virus detector: $response : ERROR"; |
8210c7fa DM |
424 | } |
425 | ||
426 | if ($vinfo) { | |
54eaf7df | 427 | syslog('info', "$queue->{logid}: virus detected: $vinfo (clamav)"); |
8210c7fa DM |
428 | } |
429 | }; | |
430 | my $err = $@; | |
431 | ||
432 | alarm($previous_alarm); | |
433 | ||
434 | my ($csec_end, $usec_end) = gettimeofday(); | |
435 | $queue->{ptime_clam} = | |
436 | int (($csec_end-$csec)*1000 + ($usec_end - $usec)/1000); | |
437 | ||
438 | if ($err) { | |
439 | syslog ('err', $err); | |
440 | $vinfo = undef; | |
441 | $queue->{errors} = 1; | |
442 | } | |
443 | ||
444 | $queue->{vinfo_clam} = $vinfo; | |
445 | ||
446 | return $vinfo ? "$vinfo (clamav)" : undef; | |
447 | } | |
448 | ||
6ccbc37f DM |
449 | sub analyze_virus_avast { |
450 | my ($queue, $dname, $pmg_cfg) = @_; | |
451 | ||
452 | my $timeout = 60*5; | |
453 | my $vinfo; | |
454 | ||
455 | my ($csec, $usec) = gettimeofday(); | |
456 | ||
457 | my $previous_alarm; | |
458 | ||
459 | eval { | |
460 | ||
461 | $previous_alarm = alarm($timeout); | |
462 | ||
463 | $SIG{ALRM} = sub { | |
464 | die "$queue->{logid}: Maximum time ($timeout sec) exceeded. " . | |
465 | "virus analyze (avast) failed: ERROR"; | |
466 | }; | |
467 | ||
661d569a | 468 | open(my $cmd, '-|', 'scan', $dname) || |
6ccbc37f DM |
469 | die "$queue->{logid}: can't exec avast scan: $! : ERROR"; |
470 | ||
471 | my $response = ''; | |
472 | while (defined(my $line = <$cmd>)) { | |
473 | if ($line =~ m/^$dname\s+(.*\S)\s*$/) { | |
474 | # we just use the first detected virus name | |
475 | $vinfo = $1 if !$vinfo; | |
476 | } | |
477 | ||
478 | $response .= $line; | |
479 | } | |
480 | ||
481 | close($cmd); | |
482 | ||
483 | alarm(0); # avoid race conditions | |
484 | ||
485 | if ($vinfo) { | |
486 | syslog('info', "$queue->{logid}: virus detected: $vinfo (avast)"); | |
487 | } | |
488 | }; | |
489 | my $err = $@; | |
490 | ||
491 | alarm($previous_alarm); | |
492 | ||
493 | my ($csec_end, $usec_end) = gettimeofday(); | |
494 | $queue->{ptime_clam} = | |
495 | int (($csec_end-$csec)*1000 + ($usec_end - $usec)/1000); | |
496 | ||
497 | if ($err) { | |
498 | syslog ('err', $err); | |
499 | $vinfo = undef; | |
500 | $queue->{errors} = 1; | |
501 | } | |
502 | ||
503 | return undef if !$vinfo; | |
504 | ||
505 | $queue->{vinfo_avast} = $vinfo; | |
506 | ||
507 | return "$vinfo (avast)"; | |
508 | } | |
509 | ||
8210c7fa DM |
510 | sub analyze_virus { |
511 | my ($queue, $filename, $pmg_cfg, $testmode) = @_; | |
512 | ||
513 | # TODO: support other virus scanners? | |
514 | ||
6ccbc37f DM |
515 | if ($testmode) { |
516 | my $vinfo_clam = analyze_virus_clam($queue, $filename, $pmg_cfg); | |
517 | my $vinfo_avast = analyze_virus_avast($queue, $filename, $pmg_cfg); | |
518 | ||
519 | return $vinfo_avast || $vinfo_clam; | |
520 | } | |
521 | ||
522 | my $enable_avast = $pmg_cfg->get('admin', 'avast'); | |
523 | ||
524 | if ($enable_avast) { | |
525 | if (my $vinfo = analyze_virus_avast($queue, $filename, $pmg_cfg)) { | |
526 | return $vinfo; | |
527 | } | |
528 | } | |
529 | ||
9acd4d57 DM |
530 | my $enable_clamav = $pmg_cfg->get('admin', 'clamav'); |
531 | ||
532 | if ($enable_clamav) { | |
533 | if (my $vinfo = analyze_virus_clam($queue, $filename, $pmg_cfg)) { | |
534 | return $vinfo; | |
535 | } | |
536 | } | |
537 | ||
538 | return undef; | |
8210c7fa DM |
539 | } |
540 | ||
26357b0a DM |
541 | sub magic_mime_type_for_file { |
542 | my ($filename) = @_; | |
dff363d9 | 543 | |
26357b0a DM |
544 | # we do not use get_mime_type_for_file, because that considers |
545 | # filename extensions - we only want magic type detection | |
546 | ||
547 | my $bufsize = Xdgmime::xdg_mime_get_max_buffer_extents(); | |
548 | die "got strange value for max_buffer_extents" if $bufsize > 4096*10; | |
549 | ||
550 | my $ct = "application/octet-stream"; | |
551 | ||
dff363d9 | 552 | my $fh = IO::File->new("<$filename") || |
26357b0a DM |
553 | die "unable to open file '$filename' - $!"; |
554 | ||
555 | my ($buf, $len); | |
556 | if (($len = $fh->read($buf, $bufsize)) > 0) { | |
557 | $ct = xdg_mime_get_mime_type_for_data($buf, $len); | |
558 | } | |
559 | $fh->close(); | |
dff363d9 | 560 | |
26357b0a | 561 | die "unable to read file '$filename' - $!" if ($len < 0); |
dff363d9 | 562 | |
26357b0a DM |
563 | return $ct; |
564 | } | |
758c7b6b | 565 | |
1d4193a1 DM |
566 | sub add_ct_marks { |
567 | my ($entity) = @_; | |
568 | ||
569 | if (my $path = $entity->{PMX_decoded_path}) { | |
570 | ||
571 | # set a reasonable default if magic does not give a result | |
572 | $entity->{PMX_magic_ct} = $entity->head->mime_attr('content-type'); | |
573 | ||
574 | if (my $ct = magic_mime_type_for_file($path)) { | |
575 | if ($ct ne 'application/octet-stream' || !$entity->{PMX_magic_ct}) { | |
576 | $entity->{PMX_magic_ct} = $ct; | |
577 | } | |
578 | } | |
579 | ||
580 | my $filename = $entity->head->recommended_filename; | |
581 | $filename = basename($path) if !defined($filename) || $filename eq ''; | |
582 | ||
583 | if (my $ct = xdg_mime_get_mime_type_from_file_name($filename)) { | |
584 | $entity->{PMX_glob_ct} = $ct; | |
585 | } | |
586 | } | |
587 | ||
588 | foreach my $part ($entity->parts) { | |
589 | add_ct_marks ($part); | |
590 | } | |
591 | } | |
592 | ||
f609bf7f DM |
593 | # x509 certificate utils |
594 | ||
896ef634 DM |
595 | # only write output if something fails |
596 | sub run_silent_cmd { | |
597 | my ($cmd) = @_; | |
598 | ||
599 | my $outbuf = ''; | |
600 | ||
601 | my $record_output = sub { | |
602 | $outbuf .= shift; | |
603 | $outbuf .= "\n"; | |
604 | }; | |
605 | ||
606 | eval { | |
607 | PVE::Tools::run_command($cmd, outfunc => $record_output, | |
608 | errfunc => $record_output); | |
609 | }; | |
610 | my $err = $@; | |
611 | ||
612 | if ($err) { | |
613 | print STDERR $outbuf; | |
614 | die $err; | |
615 | } | |
616 | } | |
617 | ||
3278b571 | 618 | my $proxmox_tls_cert_fn = "/etc/pmg/pmg-tls.pem"; |
f609bf7f DM |
619 | |
620 | sub gen_proxmox_tls_cert { | |
bc44eb02 | 621 | my ($force) = @_; |
f609bf7f | 622 | |
bc44eb02 DM |
623 | my $resolv = PVE::INotify::read_file('resolvconf'); |
624 | my $domain = $resolv->{search}; | |
625 | ||
626 | my $company = $domain; # what else ? | |
627 | my $cn = "*.$domain"; | |
628 | ||
629 | return if !$force && -f $proxmox_tls_cert_fn; | |
f609bf7f DM |
630 | |
631 | my $sslconf = <<__EOD__; | |
632 | RANDFILE = /root/.rnd | |
633 | extensions = v3_req | |
634 | ||
635 | [ req ] | |
636 | default_bits = 4096 | |
637 | distinguished_name = req_distinguished_name | |
638 | req_extensions = v3_req | |
639 | prompt = no | |
640 | string_mask = nombstr | |
641 | ||
642 | [ req_distinguished_name ] | |
643 | organizationalUnitName = Proxmox Mail Gateway | |
644 | organizationName = $company | |
645 | commonName = $cn | |
646 | ||
647 | [ v3_req ] | |
648 | basicConstraints = CA:FALSE | |
649 | nsCertType = server | |
650 | keyUsage = nonRepudiation, digitalSignature, keyEncipherment | |
651 | __EOD__ | |
652 | ||
3278b571 | 653 | my $cfgfn = "/tmp/pmgtlsconf-$$.tmp"; |
f609bf7f DM |
654 | my $fh = IO::File->new ($cfgfn, "w"); |
655 | print $fh $sslconf; | |
656 | close ($fh); | |
657 | ||
658 | eval { | |
896ef634 DM |
659 | my $cmd = ['openssl', 'req', '-batch', '-x509', '-new', '-sha256', |
660 | '-config', $cfgfn, '-days', 3650, '-nodes', | |
661 | '-out', $proxmox_tls_cert_fn, | |
662 | '-keyout', $proxmox_tls_cert_fn]; | |
663 | run_silent_cmd($cmd); | |
f609bf7f DM |
664 | }; |
665 | ||
666 | if (my $err = $@) { | |
667 | unlink $proxmox_tls_cert_fn; | |
668 | unlink $cfgfn; | |
669 | die "unable to generate proxmox certificate request:\n$err"; | |
670 | } | |
671 | ||
672 | unlink $cfgfn; | |
673 | } | |
674 | ||
675 | sub find_local_network_for_ip { | |
1e88a529 | 676 | my ($ip, $noerr) = @_; |
f609bf7f DM |
677 | |
678 | my $testip = Net::IP->new($ip); | |
679 | ||
680 | my $isv6 = $testip->version == 6; | |
681 | my $routes = $isv6 ? | |
682 | PVE::ProcFSTools::read_proc_net_ipv6_route() : | |
683 | PVE::ProcFSTools::read_proc_net_route(); | |
684 | ||
685 | foreach my $entry (@$routes) { | |
686 | my $mask; | |
687 | if ($isv6) { | |
688 | $mask = $entry->{prefix}; | |
689 | next if !$mask; # skip the default route... | |
690 | } else { | |
691 | $mask = $PVE::Network::ipv4_mask_hash_localnet->{$entry->{mask}}; | |
692 | next if !defined($mask); | |
693 | } | |
694 | my $cidr = "$entry->{dest}/$mask"; | |
695 | my $testnet = Net::IP->new($cidr); | |
696 | my $overlap = $testnet->overlaps($testip); | |
697 | if ($overlap == $Net::IP::IP_B_IN_A_OVERLAP || | |
698 | $overlap == $Net::IP::IP_IDENTICAL) | |
699 | { | |
700 | return $cidr; | |
701 | } | |
702 | } | |
703 | ||
1e88a529 DM |
704 | return undef if $noerr; |
705 | ||
f609bf7f DM |
706 | die "unable to detect local network for ip '$ip'\n"; |
707 | } | |
d0d91cda | 708 | |
ef07e4d0 DM |
709 | my $service_aliases = { |
710 | 'postfix' => 'postfix@-', | |
6c553417 | 711 | 'postgres' => 'postgresql@11-main', |
ef07e4d0 DM |
712 | }; |
713 | ||
714 | sub lookup_real_service_name { | |
715 | my $alias = shift; | |
716 | ||
717 | return $service_aliases->{$alias} // $alias; | |
718 | } | |
719 | ||
230b4e03 DM |
720 | sub get_full_service_state { |
721 | my ($service) = @_; | |
722 | ||
723 | my $res; | |
724 | ||
725 | my $parser = sub { | |
726 | my $line = shift; | |
727 | if ($line =~ m/^([^=\s]+)=(.*)$/) { | |
728 | $res->{$1} = $2; | |
729 | } | |
730 | }; | |
731 | ||
ef07e4d0 | 732 | $service = $service_aliases->{$service} // $service; |
230b4e03 DM |
733 | PVE::Tools::run_command(['systemctl', 'show', $service], outfunc => $parser); |
734 | ||
735 | return $res; | |
736 | } | |
737 | ||
00d8b7f7 DM |
738 | our $db_service_list = [ |
739 | 'pmgpolicy', 'pmgmirror', 'pmgtunnel', 'pmg-smtp-filter' ]; | |
740 | ||
cfdf6608 DM |
741 | sub service_wait_stopped { |
742 | my ($timeout, $service_list) = @_; | |
743 | ||
744 | my $starttime = time(); | |
745 | ||
746 | foreach my $service (@$service_list) { | |
747 | PVE::Tools::run_command(['systemctl', 'stop', $service]); | |
748 | } | |
749 | ||
750 | while (1) { | |
751 | my $wait = 0; | |
752 | ||
753 | foreach my $service (@$service_list) { | |
754 | my $ss = get_full_service_state($service); | |
755 | my $state = $ss->{ActiveState} // 'unknown'; | |
756 | ||
757 | if ($state ne 'inactive') { | |
758 | if ((time() - $starttime) > $timeout) { | |
759 | syslog('err', "unable to stop services (got timeout)"); | |
760 | $wait = 0; | |
761 | last; | |
762 | } | |
763 | $wait = 1; | |
764 | } | |
765 | } | |
766 | ||
767 | last if !$wait; | |
768 | ||
769 | sleep(1); | |
770 | } | |
771 | } | |
772 | ||
3f85510e DM |
773 | sub service_cmd { |
774 | my ($service, $cmd) = @_; | |
775 | ||
776 | die "unknown service command '$cmd'\n" | |
f6884917 | 777 | if $cmd !~ m/^(start|stop|restart|reload|reload-or-restart)$/; |
3f85510e DM |
778 | |
779 | if ($service eq 'pmgdaemon' || $service eq 'pmgproxy') { | |
f6884917 | 780 | die "invalid service cmd '$service $cmd': ERROR" if $cmd eq 'stop'; |
81fa07d9 DM |
781 | } elsif ($service eq 'fetchmail') { |
782 | # use restart instead of start - else it does not start 'exited' unit | |
783 | # after setting START_DAEMON=yes in /etc/default/fetchmail | |
784 | $cmd = 'restart' if $cmd eq 'start'; | |
3f85510e DM |
785 | } |
786 | ||
ef07e4d0 | 787 | $service = $service_aliases->{$service} // $service; |
3f85510e DM |
788 | PVE::Tools::run_command(['systemctl', $cmd, $service]); |
789 | }; | |
790 | ||
9f67f5b3 DM |
791 | # this is also used to get the IP of the local node |
792 | sub lookup_node_ip { | |
793 | my ($nodename, $noerr) = @_; | |
794 | ||
795 | my ($family, $packed_ip); | |
796 | ||
797 | eval { | |
798 | my @res = PVE::Tools::getaddrinfo_all($nodename); | |
799 | $family = $res[0]->{family}; | |
800 | $packed_ip = (PVE::Tools::unpack_sockaddr_in46($res[0]->{addr}))[2]; | |
801 | }; | |
802 | ||
803 | if ($@) { | |
804 | die "hostname lookup failed:\n$@" if !$noerr; | |
805 | return undef; | |
806 | } | |
807 | ||
808 | my $ip = Socket::inet_ntop($family, $packed_ip); | |
809 | if ($ip =~ m/^127\.|^::1$/) { | |
810 | die "hostname lookup failed - got local IP address ($nodename = $ip)\n" if !$noerr; | |
811 | return undef; | |
812 | } | |
813 | ||
814 | return wantarray ? ($ip, $family) : $ip; | |
815 | } | |
816 | ||
630d1ae3 DM |
817 | sub run_postmap { |
818 | my ($filename) = @_; | |
819 | ||
820 | # make sure the file exists (else postmap fails) | |
821 | IO::File->new($filename, 'a', 0644); | |
822 | ||
1dc946d4 DM |
823 | my $mtime_src = (CORE::stat($filename))[9] // |
824 | die "unbale to read mtime of $filename\n"; | |
825 | ||
826 | my $mtime_dst = (CORE::stat("$filename.db"))[9] // 0; | |
78982d93 DM |
827 | |
828 | # if not changed, do nothing | |
1dc946d4 | 829 | return if $mtime_src <= $mtime_dst; |
78982d93 | 830 | |
630d1ae3 DM |
831 | eval { |
832 | PVE::Tools::run_command( | |
833 | ['/usr/sbin/postmap', $filename], | |
834 | errmsg => "unable to update postfix table $filename"); | |
835 | }; | |
836 | my $err = $@; | |
837 | ||
838 | warn $err if $err; | |
839 | } | |
840 | ||
d17c5265 DM |
841 | sub clamav_dbstat { |
842 | ||
843 | my $res = []; | |
844 | ||
845 | my $read_cvd_info = sub { | |
846 | my ($dbname, $dbfile) = @_; | |
847 | ||
848 | my $header; | |
849 | my $fh = IO::File->new("<$dbfile"); | |
850 | if (!$fh) { | |
851 | warn "cant open ClamAV Database $dbname ($dbfile) - $!\n"; | |
852 | return; | |
853 | } | |
854 | $fh->read($header, 512); | |
855 | $fh->close(); | |
856 | ||
857 | ## ClamAV-VDB:16 Mar 2016 23-17 +0000:57:4218790:60:06386f34a16ebeea2733ab037f0536be: | |
858 | if ($header =~ m/^(ClamAV-VDB):([^:]+):(\d+):(\d+):/) { | |
859 | my ($ftype, $btime, $version, $nsigs) = ($1, $2, $3, $4); | |
860 | push @$res, { | |
861 | name => $dbname, | |
862 | type => $ftype, | |
863 | build_time => $btime, | |
864 | version => $version, | |
865 | nsigs => $nsigs, | |
866 | }; | |
867 | } else { | |
868 | warn "unable to parse ClamAV Database $dbname ($dbfile)\n"; | |
869 | } | |
870 | }; | |
871 | ||
872 | # main database | |
873 | my $filename = "/var/lib/clamav/main.inc/main.info"; | |
874 | $filename = "/var/lib/clamav/main.cvd" if ! -f $filename; | |
875 | ||
876 | $read_cvd_info->('main', $filename) if -f $filename; | |
877 | ||
878 | # daily database | |
879 | $filename = "/var/lib/clamav/daily.inc/daily.info"; | |
880 | $filename = "/var/lib/clamav/daily.cvd" if ! -f $filename; | |
881 | $filename = "/var/lib/clamav/daily.cld" if ! -f $filename; | |
882 | ||
883 | $read_cvd_info->('daily', $filename) if -f $filename; | |
884 | ||
885 | $filename = "/var/lib/clamav/bytecode.cvd"; | |
886 | $read_cvd_info->('bytecode', $filename) if -f $filename; | |
887 | ||
9860e592 DM |
888 | $filename = "/var/lib/clamav/safebrowsing.cvd"; |
889 | $read_cvd_info->('safebrowsing', $filename) if -f $filename; | |
890 | ||
dabcd20e DM |
891 | my $ss_dbs_fn = "/var/lib/clamav-unofficial-sigs/configs/ss-include-dbs.txt"; |
892 | my $ss_dbs_files = {}; | |
893 | if (my $ssfh = IO::File->new("<${ss_dbs_fn}")) { | |
894 | while (defined(my $line = <$ssfh>)) { | |
895 | chomp $line; | |
896 | $ss_dbs_files->{$line} = 1; | |
897 | } | |
898 | } | |
d17c5265 DM |
899 | my $last = 0; |
900 | my $nsigs = 0; | |
901 | foreach $filename (</var/lib/clamav/*>) { | |
dabcd20e DM |
902 | my $fn = basename($filename); |
903 | next if !$ss_dbs_files->{$fn}; | |
904 | ||
d17c5265 DM |
905 | my $fh = IO::File->new("<$filename"); |
906 | next if !defined($fh); | |
907 | my $st = stat($fh); | |
908 | next if !$st; | |
909 | my $mtime = $st->mtime(); | |
910 | $last = $mtime if $mtime > $last; | |
911 | while (defined(my $line = <$fh>)) { $nsigs++; } | |
912 | } | |
913 | ||
914 | if ($nsigs > 0) { | |
915 | push @$res, { | |
9860e592 | 916 | name => 'sanesecurity', |
d17c5265 | 917 | type => 'unofficial', |
2d011fef | 918 | build_time => strftime("%d %b %Y %H-%M %z", localtime($last)), |
d17c5265 DM |
919 | nsigs => $nsigs, |
920 | }; | |
921 | } | |
922 | ||
923 | return $res; | |
924 | } | |
925 | ||
dff363d9 DM |
926 | # RRD related code |
927 | my $rrd_dir = "/var/lib/rrdcached/db"; | |
928 | my $rrdcached_socket = "/var/run/rrdcached.sock"; | |
929 | ||
930 | my $rrd_def_node = [ | |
931 | "DS:loadavg:GAUGE:120:0:U", | |
932 | "DS:maxcpu:GAUGE:120:0:U", | |
933 | "DS:cpu:GAUGE:120:0:U", | |
934 | "DS:iowait:GAUGE:120:0:U", | |
935 | "DS:memtotal:GAUGE:120:0:U", | |
936 | "DS:memused:GAUGE:120:0:U", | |
937 | "DS:swaptotal:GAUGE:120:0:U", | |
938 | "DS:swapused:GAUGE:120:0:U", | |
939 | "DS:roottotal:GAUGE:120:0:U", | |
940 | "DS:rootused:GAUGE:120:0:U", | |
941 | "DS:netin:DERIVE:120:0:U", | |
942 | "DS:netout:DERIVE:120:0:U", | |
943 | ||
944 | "RRA:AVERAGE:0.5:1:70", # 1 min avg - one hour | |
945 | "RRA:AVERAGE:0.5:30:70", # 30 min avg - one day | |
946 | "RRA:AVERAGE:0.5:180:70", # 3 hour avg - one week | |
947 | "RRA:AVERAGE:0.5:720:70", # 12 hour avg - one month | |
948 | "RRA:AVERAGE:0.5:10080:70", # 7 day avg - ony year | |
949 | ||
950 | "RRA:MAX:0.5:1:70", # 1 min max - one hour | |
951 | "RRA:MAX:0.5:30:70", # 30 min max - one day | |
952 | "RRA:MAX:0.5:180:70", # 3 hour max - one week | |
953 | "RRA:MAX:0.5:720:70", # 12 hour max - one month | |
954 | "RRA:MAX:0.5:10080:70", # 7 day max - ony year | |
955 | ]; | |
956 | ||
957 | sub cond_create_rrd_file { | |
958 | my ($filename, $rrddef) = @_; | |
959 | ||
960 | return if -f $filename; | |
961 | ||
962 | my @args = ($filename); | |
963 | ||
964 | push @args, "--daemon" => "unix:${rrdcached_socket}" | |
965 | if -S $rrdcached_socket; | |
966 | ||
967 | push @args, '--step', 60; | |
968 | ||
969 | push @args, @$rrddef; | |
970 | ||
971 | # print "TEST: " . join(' ', @args) . "\n"; | |
972 | ||
973 | RRDs::create(@args); | |
974 | my $err = RRDs::error; | |
975 | die "RRD error: $err\n" if $err; | |
976 | } | |
977 | ||
978 | sub update_node_status_rrd { | |
979 | ||
980 | my $filename = "$rrd_dir/pmg-node-v1.rrd"; | |
981 | cond_create_rrd_file($filename, $rrd_def_node); | |
982 | ||
983 | my ($avg1, $avg5, $avg15) = PVE::ProcFSTools::read_loadavg(); | |
984 | ||
985 | my $stat = PVE::ProcFSTools::read_proc_stat(); | |
986 | ||
987 | my $netdev = PVE::ProcFSTools::read_proc_net_dev(); | |
988 | ||
989 | my ($uptime) = PVE::ProcFSTools::read_proc_uptime(); | |
990 | ||
991 | my $cpuinfo = PVE::ProcFSTools::read_cpuinfo(); | |
992 | ||
993 | my $maxcpu = $cpuinfo->{cpus}; | |
994 | ||
995 | # traffic from/to physical interface cards | |
996 | my $netin = 0; | |
997 | my $netout = 0; | |
998 | foreach my $dev (keys %$netdev) { | |
170295f8 | 999 | next if $dev !~ m/^$PVE::Network::PHYSICAL_NIC_RE$/; |
dff363d9 DM |
1000 | $netin += $netdev->{$dev}->{receive}; |
1001 | $netout += $netdev->{$dev}->{transmit}; | |
1002 | } | |
1003 | ||
1004 | my $meminfo = PVE::ProcFSTools::read_meminfo(); | |
1005 | ||
1006 | my $dinfo = df('/', 1); # output is bytes | |
1007 | ||
1008 | my $ctime = time(); | |
1009 | ||
1010 | # everything not free is considered to be used | |
1011 | my $dused = $dinfo->{blocks} - $dinfo->{bfree}; | |
1012 | ||
1013 | my $data = "$ctime:$avg1:$maxcpu:$stat->{cpu}:$stat->{wait}:" . | |
1014 | "$meminfo->{memtotal}:$meminfo->{memused}:" . | |
1015 | "$meminfo->{swaptotal}:$meminfo->{swapused}:" . | |
1016 | "$dinfo->{blocks}:$dused:$netin:$netout"; | |
1017 | ||
1018 | ||
1019 | my @args = ($filename); | |
1020 | ||
1021 | push @args, "--daemon" => "unix:${rrdcached_socket}" | |
1022 | if -S $rrdcached_socket; | |
1023 | ||
1024 | push @args, $data; | |
1025 | ||
1026 | # print "TEST: " . join(' ', @args) . "\n"; | |
1027 | ||
1028 | RRDs::update(@args); | |
1029 | my $err = RRDs::error; | |
1030 | die "RRD error: $err\n" if $err; | |
1031 | } | |
1032 | ||
065b2986 DM |
1033 | sub create_rrd_data { |
1034 | my ($rrdname, $timeframe, $cf) = @_; | |
1035 | ||
1036 | my $rrd = "${rrd_dir}/$rrdname"; | |
1037 | ||
1038 | my $setup = { | |
1039 | hour => [ 60, 70 ], | |
1040 | day => [ 60*30, 70 ], | |
1041 | week => [ 60*180, 70 ], | |
1042 | month => [ 60*720, 70 ], | |
1043 | year => [ 60*10080, 70 ], | |
1044 | }; | |
1045 | ||
1046 | my ($reso, $count) = @{$setup->{$timeframe}}; | |
1047 | my $ctime = $reso*int(time()/$reso); | |
1048 | my $req_start = $ctime - $reso*$count; | |
1049 | ||
1050 | $cf = "AVERAGE" if !$cf; | |
1051 | ||
1052 | my @args = ( | |
1053 | "-s" => $req_start, | |
1054 | "-e" => $ctime - 1, | |
1055 | "-r" => $reso, | |
1056 | ); | |
1057 | ||
1058 | push @args, "--daemon" => "unix:${rrdcached_socket}" | |
1059 | if -S $rrdcached_socket; | |
1060 | ||
1061 | my ($start, $step, $names, $data) = RRDs::fetch($rrd, $cf, @args); | |
1062 | ||
1063 | my $err = RRDs::error; | |
1064 | die "RRD error: $err\n" if $err; | |
1065 | ||
1066 | die "got wrong time resolution ($step != $reso)\n" | |
1067 | if $step != $reso; | |
1068 | ||
1069 | my $res = []; | |
1070 | my $fields = scalar(@$names); | |
1071 | for my $line (@$data) { | |
1072 | my $entry = { 'time' => $start }; | |
1073 | $start += $step; | |
1074 | for (my $i = 0; $i < $fields; $i++) { | |
1075 | my $name = $names->[$i]; | |
1076 | if (defined(my $val = $line->[$i])) { | |
1077 | $entry->{$name} = $val; | |
1078 | } else { | |
1079 | # leave empty fields undefined | |
1080 | # maybe make this configurable? | |
1081 | } | |
1082 | } | |
1083 | push @$res, $entry; | |
1084 | } | |
1085 | ||
1086 | return $res; | |
1087 | } | |
1088 | ||
8da6f9ec DM |
1089 | sub decode_to_html { |
1090 | my ($charset, $data) = @_; | |
1091 | ||
1092 | my $res = $data; | |
1093 | ||
1094 | eval { $res = encode_entities(decode($charset, $data)); }; | |
1095 | ||
1096 | return $res; | |
1097 | } | |
1098 | ||
46f9e9af DM |
1099 | sub decode_rfc1522 { |
1100 | my ($enc) = @_; | |
1101 | ||
1102 | my $res = ''; | |
1103 | ||
1104 | return '' if !$enc; | |
1105 | ||
1106 | eval { | |
1107 | foreach my $r (MIME::Words::decode_mimewords($enc)) { | |
1108 | my ($d, $cs) = @$r; | |
1109 | if ($d) { | |
1110 | if ($cs) { | |
1111 | $res .= decode($cs, $d); | |
1112 | } else { | |
1113 | $res .= $d; | |
1114 | } | |
1115 | } | |
1116 | } | |
1117 | }; | |
1118 | ||
1119 | $res = $enc if $@; | |
1120 | ||
1121 | return $res; | |
1122 | } | |
1123 | ||
9a56f771 DM |
1124 | sub rfc1522_to_html { |
1125 | my ($enc) = @_; | |
1126 | ||
1127 | my $res = ''; | |
1128 | ||
1129 | return '' if !$enc; | |
1130 | ||
1131 | eval { | |
1132 | foreach my $r (MIME::Words::decode_mimewords($enc)) { | |
1133 | my ($d, $cs) = @$r; | |
1134 | if ($d) { | |
1135 | if ($cs) { | |
1136 | $res .= encode_entities(decode($cs, $d)); | |
1137 | } else { | |
1138 | $res .= encode_entities($d); | |
1139 | } | |
1140 | } | |
1141 | } | |
1142 | }; | |
1143 | ||
1144 | $res = $enc if $@; | |
1145 | ||
1146 | return $res; | |
1147 | } | |
1148 | ||
9d26ab13 DM |
1149 | # RFC 2047 B-ENCODING http://rfc.net/rfc2047.html |
1150 | # (Q-Encoding is complex and error prone) | |
1151 | sub bencode_header { | |
1152 | my $txt = shift; | |
1153 | ||
1154 | my $CRLF = "\015\012"; | |
1155 | ||
1156 | # Nonprintables (controls + x7F + 8bit): | |
1157 | my $NONPRINT = "\\x00-\\x1F\\x7F-\\xFF"; | |
1158 | ||
1159 | # always use utf-8 (work with japanese character sets) | |
1160 | $txt = encode("UTF-8", $txt); | |
1161 | ||
1162 | return $txt if $txt !~ /[$NONPRINT]/o; | |
1163 | ||
1164 | my $res = ''; | |
1165 | ||
1166 | while ($txt =~ s/^(.{1,42})//sm) { | |
1167 | my $t = MIME::Words::encode_mimeword ($1, 'B', 'UTF-8'); | |
1168 | $res .= $res ? "\015\012\t$t" : $t; | |
1169 | } | |
1170 | ||
1171 | return $res; | |
1172 | } | |
1173 | ||
7d89adf4 | 1174 | sub load_sa_descriptions { |
e325aa6f | 1175 | my ($additional_dirs) = @_; |
7d89adf4 DM |
1176 | |
1177 | my @dirs = ('/usr/share/spamassassin', | |
1178 | '/usr/share/spamassassin-extra'); | |
1179 | ||
e325aa6f DC |
1180 | push @dirs, @$additional_dirs if @$additional_dirs; |
1181 | ||
7d89adf4 DM |
1182 | my $res = {}; |
1183 | ||
1184 | my $parse_sa_file = sub { | |
1185 | my ($file) = @_; | |
1186 | ||
1187 | open(my $fh,'<', $file); | |
1188 | return if !defined($fh); | |
1189 | ||
1190 | while (defined(my $line = <$fh>)) { | |
1191 | if ($line =~ m/^describe\s+(\S+)\s+(.*)\s*$/) { | |
1192 | my ($name, $desc) = ($1, $2); | |
1193 | next if $res->{$name}; | |
1194 | $res->{$name}->{desc} = $desc; | |
1195 | if ($desc =~ m|[\(\s](http:\/\/\S+\.[^\s\.\)]+\.[^\s\.\)]+)|i) { | |
1196 | $res->{$name}->{url} = $1; | |
1197 | } | |
1198 | } | |
1199 | } | |
1200 | close($fh); | |
1201 | }; | |
1202 | ||
1203 | foreach my $dir (@dirs) { | |
1204 | foreach my $file (<$dir/*.cf>) { | |
1205 | $parse_sa_file->($file); | |
1206 | } | |
1207 | } | |
1208 | ||
cda67dee | 1209 | $res->{'ClamAVHeuristics'}->{desc} = "ClamAV heuristic tests"; |
0d5209bf | 1210 | |
7d89adf4 DM |
1211 | return $res; |
1212 | } | |
1213 | ||
8162c745 DM |
1214 | sub format_uptime { |
1215 | my ($uptime) = @_; | |
1216 | ||
1217 | my $days = int($uptime/86400); | |
1218 | $uptime -= $days*86400; | |
1219 | ||
1220 | my $hours = int($uptime/3600); | |
1221 | $uptime -= $hours*3600; | |
1222 | ||
1223 | my $mins = $uptime/60; | |
1224 | ||
1225 | if ($days) { | |
1226 | my $ds = $days > 1 ? 'days' : 'day'; | |
1227 | return sprintf "%d $ds %02d:%02d", $days, $hours, $mins; | |
1228 | } else { | |
1229 | return sprintf "%02d:%02d", $hours, $mins; | |
1230 | } | |
1231 | } | |
1232 | ||
3dfe317a DM |
1233 | sub finalize_report { |
1234 | my ($tt, $template, $data, $mailfrom, $receiver, $debug) = @_; | |
1235 | ||
1236 | my $html = ''; | |
1237 | ||
1238 | $tt->process($template, $data, \$html) || | |
1239 | die $tt->error() . "\n"; | |
1240 | ||
1241 | my $title; | |
1242 | if ($html =~ m|^\s*<title>(.*)</title>|m) { | |
1243 | $title = $1; | |
1244 | } else { | |
1245 | die "unable to extract template title\n"; | |
1246 | } | |
1247 | ||
1248 | my $top = MIME::Entity->build( | |
1249 | Type => "multipart/related", | |
1250 | To => $data->{pmail}, | |
1251 | From => $mailfrom, | |
1252 | Subject => bencode_header(decode_entities($title))); | |
1253 | ||
1254 | $top->attach( | |
1255 | Data => $html, | |
1256 | Type => "text/html", | |
1257 | Encoding => $debug ? 'binary' : 'quoted-printable'); | |
1258 | ||
1259 | if ($debug) { | |
1260 | $top->print(); | |
1261 | return; | |
1262 | } | |
1263 | # we use an empty envelope sender (we dont want to receive NDRs) | |
1264 | PMG::Utils::reinject_mail ($top, '', [$receiver], undef, $data->{fqdn}); | |
1265 | } | |
1266 | ||
2f7031b7 DM |
1267 | sub lookup_timespan { |
1268 | my ($timespan) = @_; | |
1269 | ||
1270 | my (undef, undef, undef, $mday, $mon, $year) = localtime(time()); | |
1271 | my $daystart = timelocal(0, 0, 0, $mday, $mon, $year); | |
1272 | ||
1273 | my $start; | |
1274 | my $end; | |
1275 | ||
1276 | if ($timespan eq 'today') { | |
1277 | $start = $daystart; | |
1278 | $end = $start + 86400; | |
1279 | } elsif ($timespan eq 'yesterday') { | |
1280 | $end = $daystart; | |
1281 | $start = $end - 86400; | |
1282 | } elsif ($timespan eq 'week') { | |
1283 | $end = $daystart; | |
1284 | $start = $end - 7*86400; | |
1285 | } else { | |
1286 | die "internal error"; | |
1287 | } | |
1288 | ||
1289 | return ($start, $end); | |
1290 | } | |
1291 | ||
17a7c6c9 DM |
1292 | my $rbl_scan_last_cursor; |
1293 | my $rbl_scan_start_time = time(); | |
1294 | ||
1295 | sub scan_journal_for_rbl_rejects { | |
1296 | ||
1297 | # example postscreen log entry for RBL rejects | |
1298 | # 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> | |
1299 | ||
2e0e3415 DM |
1300 | # example for PREGREET reject |
1301 | # Dec 7 06:57:11 proxmox postfix/postscreen[32084]: PREGREET 14 after 0.23 from [x.x.x.x]:63492: EHLO yyyyy\r\n | |
1302 | ||
17a7c6c9 DM |
1303 | my $identifier = 'postfix/postscreen'; |
1304 | ||
2e0e3415 DM |
1305 | my $rbl_count = 0; |
1306 | my $pregreet_count = 0; | |
17a7c6c9 DM |
1307 | |
1308 | my $parser = sub { | |
1309 | my $line = shift; | |
1310 | ||
1311 | if ($line =~ m/^--\scursor:\s(\S+)$/) { | |
1312 | $rbl_scan_last_cursor = $1; | |
1313 | return; | |
1314 | } | |
1315 | ||
2e0e3415 DM |
1316 | if ($line =~ m/\s$identifier\[\d+\]:\sNOQUEUE:\sreject:.*550 5.7.1 Service unavailable;/) { |
1317 | $rbl_count++; | |
1318 | } elsif ($line =~ m/\s$identifier\[\d+\]:\sPREGREET\s\d+\safter\s/) { | |
1319 | $pregreet_count++; | |
1320 | } | |
17a7c6c9 DM |
1321 | }; |
1322 | ||
1323 | # limit to last 5000 lines to avoid long delays | |
1324 | my $cmd = ['journalctl', '--show-cursor', '-o', 'short-unix', '--no-pager', | |
1325 | '--identifier', $identifier, '-n', 5000]; | |
1326 | ||
1327 | if (defined($rbl_scan_last_cursor)) { | |
1328 | push @$cmd, "--after-cursor=${rbl_scan_last_cursor}"; | |
1329 | } else { | |
1330 | push @$cmd, "--since=@" . $rbl_scan_start_time; | |
1331 | } | |
1332 | ||
1333 | PVE::Tools::run_command($cmd, outfunc => $parser); | |
1334 | ||
2e0e3415 | 1335 | return ($rbl_count, $pregreet_count); |
17a7c6c9 DM |
1336 | } |
1337 | ||
5d5af7c5 DM |
1338 | my $hwaddress; |
1339 | ||
1340 | sub get_hwaddress { | |
1341 | ||
1342 | return $hwaddress if defined ($hwaddress); | |
1343 | ||
1344 | my $fn = '/etc/ssh/ssh_host_rsa_key.pub'; | |
1345 | my $sshkey = PVE::Tools::file_get_contents($fn); | |
1346 | $hwaddress = uc(Digest::MD5::md5_hex($sshkey)); | |
1347 | ||
1348 | return $hwaddress; | |
1349 | } | |
1350 | ||
75ce5866 DM |
1351 | my $default_locale = "en_US.UTF-8 UTF-8"; |
1352 | ||
1353 | sub cond_add_default_locale { | |
1354 | ||
1355 | my $filename = "/etc/locale.gen"; | |
1356 | ||
1357 | open(my $infh, "<", $filename) || return; | |
1358 | ||
1359 | while (defined(my $line = <$infh>)) { | |
1360 | if ($line =~ m/^\Q${default_locale}\E/) { | |
1361 | # already configured | |
1362 | return; | |
1363 | } | |
1364 | } | |
1365 | ||
1366 | seek($infh, 0, 0) // return; # seek failed | |
1367 | ||
1368 | open(my $outfh, ">", "$filename.tmp") || return; | |
1369 | ||
1370 | my $done; | |
1371 | while (defined(my $line = <$infh>)) { | |
1372 | if ($line =~ m/^#\s*\Q${default_locale}\E.*/) { | |
1373 | print $outfh "${default_locale}\n" if !$done; | |
1374 | $done = 1; | |
1375 | } else { | |
1376 | print $outfh $line; | |
1377 | } | |
1378 | } | |
1379 | ||
1380 | print STDERR "generation pmg default locale\n"; | |
1381 | ||
1382 | rename("$filename.tmp", $filename) || return; # rename failed | |
1383 | ||
1384 | system("dpkg-reconfigure locales -f noninteractive"); | |
1385 | } | |
1386 | ||
6529020a SI |
1387 | sub postgres_admin_cmd { |
1388 | my ($cmd, $options, @params) = @_; | |
1389 | ||
1390 | $cmd = ref($cmd) ? $cmd : [ $cmd ]; | |
1391 | ||
1392 | my $save_uid = POSIX::getuid(); | |
1393 | my $pg_uid = getpwnam('postgres') || die "getpwnam postgres failed\n"; | |
1394 | ||
1395 | PVE::Tools::setresuid(-1, $pg_uid, -1) || | |
1396 | die "setresuid postgres ($pg_uid) failed - $!\n"; | |
1397 | ||
1398 | PVE::Tools::run_command([@$cmd, '-U', 'postgres', @params], %$options); | |
1399 | ||
1400 | PVE::Tools::setresuid(-1, $save_uid, -1) || | |
1401 | die "setresuid back failed - $!\n"; | |
1402 | } | |
1403 | ||
758c7b6b | 1404 | 1; |