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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; |
972a3b0e | 13 | use MIME::Entity; |
758c7b6b DM |
14 | use MIME::Words; |
15 | use MIME::Parser; | |
8210c7fa | 16 | use Time::HiRes qw (gettimeofday); |
2f7031b7 | 17 | use Time::Local; |
26357b0a | 18 | use Xdgmime; |
d0d91cda | 19 | use Data::Dumper; |
62ebb4bc | 20 | use Digest::SHA; |
5d5af7c5 | 21 | use Digest::MD5; |
f609bf7f | 22 | use Net::IP; |
9f67f5b3 | 23 | use Socket; |
dff363d9 DM |
24 | use RRDs; |
25 | use Filesys::Df; | |
8208c076 | 26 | use Encode; |
00eaaf69 DM |
27 | use utf8; |
28 | no utf8; | |
29 | ||
9a56f771 | 30 | use HTML::Entities; |
16ad0786 | 31 | use JSON; |
758c7b6b | 32 | |
dff363d9 | 33 | use PVE::ProcFSTools; |
f609bf7f | 34 | use PVE::Network; |
5953119e | 35 | use PVE::Tools; |
758c7b6b | 36 | use PVE::SafeSyslog; |
f609bf7f | 37 | use PVE::ProcFSTools; |
d0d91cda | 38 | use PMG::AtomicFile; |
8210c7fa | 39 | use PMG::MailQueue; |
c4df1b85 | 40 | use PMG::SMTPPrinter; |
18598b2c | 41 | use PMG::MIMEUtils; |
758c7b6b | 42 | |
6529020a SI |
43 | use base 'Exporter'; |
44 | ||
45 | our @EXPORT_OK = qw( | |
46 | postgres_admin_cmd | |
47 | ); | |
48 | ||
6c54c10a | 49 | my $valid_pmg_realms = ['pam', 'pmg', 'quarantine']; |
62ebb4bc DM |
50 | |
51 | PVE::JSONSchema::register_standard_option('realm', { | |
52 | description => "Authentication domain ID", | |
6c54c10a DM |
53 | type => 'string', |
54 | enum => $valid_pmg_realms, | |
62ebb4bc DM |
55 | maxLength => 32, |
56 | }); | |
57 | ||
6214b5cf DM |
58 | PVE::JSONSchema::register_standard_option('pmg-starttime', { |
59 | description => "Only consider entries newer than 'starttime' (unix epoch). Default is 'now - 1day'.", | |
60 | type => 'integer', | |
61 | minimum => 0, | |
62 | optional => 1, | |
63 | }); | |
64 | ||
65 | PVE::JSONSchema::register_standard_option('pmg-endtime', { | |
66 | description => "Only consider entries older than 'endtime' (unix epoch). This is set to '<start> + 1day' by default.", | |
67 | type => 'integer', | |
68 | minimum => 1, | |
69 | optional => 1, | |
70 | }); | |
71 | ||
62ebb4bc DM |
72 | PVE::JSONSchema::register_format('pmg-userid', \&verify_username); |
73 | sub verify_username { | |
74 | my ($username, $noerr) = @_; | |
75 | ||
76 | $username = '' if !$username; | |
77 | my $len = length($username); | |
78 | if ($len < 3) { | |
79 | die "user name '$username' is too short\n" if !$noerr; | |
80 | return undef; | |
81 | } | |
82 | if ($len > 64) { | |
83 | die "user name '$username' is too long ($len > 64)\n" if !$noerr; | |
84 | return undef; | |
85 | } | |
86 | ||
87 | # we only allow a limited set of characters | |
88 | # colon is not allowed, because we store usernames in | |
89 | # colon separated lists)! | |
90 | # slash is not allowed because it is used as pve API delimiter | |
91 | # also see "man useradd" | |
6c54c10a DM |
92 | my $realm_list = join('|', @$valid_pmg_realms); |
93 | if ($username =~ m!^([^\s:/]+)\@(${realm_list})$!) { | |
62ebb4bc DM |
94 | return wantarray ? ($username, $1, $2) : $username; |
95 | } | |
96 | ||
97 | die "value '$username' does not look like a valid user name\n" if !$noerr; | |
98 | ||
99 | return undef; | |
100 | } | |
101 | ||
102 | PVE::JSONSchema::register_standard_option('userid', { | |
103 | description => "User ID", | |
104 | type => 'string', format => 'pmg-userid', | |
6b0180c3 | 105 | minLength => 4, |
62ebb4bc | 106 | maxLength => 64, |
6b0180c3 | 107 | }); |
62ebb4bc DM |
108 | |
109 | PVE::JSONSchema::register_standard_option('username', { | |
110 | description => "Username (without realm)", | |
111 | type => 'string', | |
112 | pattern => '[^\s:\/\@]{3,60}', | |
6b0180c3 | 113 | minLength => 4, |
62ebb4bc DM |
114 | maxLength => 64, |
115 | }); | |
116 | ||
01929101 DM |
117 | PVE::JSONSchema::register_standard_option('pmg-email-address', { |
118 | description => "Email Address (allow most characters).", | |
119 | type => 'string', | |
9eec07fb | 120 | pattern => '(?:[^\s\/\\\@]+\@[^\s\/\\\@]+)', |
01929101 DM |
121 | maxLength => 512, |
122 | minLength => 3, | |
123 | }); | |
124 | ||
1a1bde13 DC |
125 | PVE::JSONSchema::register_standard_option('pmg-whiteblacklist-entry-list', { |
126 | description => "White/Blacklist entry list (allow most characters). Can contain globs", | |
127 | type => 'string', | |
128 | pattern => '(?:[^\s\/\\\;\,]+)(?:\,[^\s\/\\\;\,]+)*', | |
129 | minLength => 3, | |
130 | }); | |
131 | ||
758c7b6b DM |
132 | sub lastid { |
133 | my ($dbh, $seq) = @_; | |
134 | ||
135 | return $dbh->last_insert_id( | |
136 | undef, undef, undef, undef, { sequence => $seq}); | |
137 | } | |
138 | ||
ab466078 DM |
139 | # quote all regex operators |
140 | sub quote_regex { | |
141 | my $val = shift; | |
142 | ||
143 | $val =~ s/([\(\)\[\]\/\}\+\*\?\.\|\^\$\\])/\\$1/g; | |
144 | ||
145 | return $val; | |
146 | } | |
147 | ||
cad3d400 DM |
148 | sub file_older_than { |
149 | my ($filename, $lasttime) = @_; | |
150 | ||
151 | my $st = stat($filename); | |
152 | ||
153 | return 0 if !defined($st); | |
154 | ||
155 | return ($lasttime >= $st->ctime); | |
156 | } | |
157 | ||
758c7b6b DM |
158 | sub extract_filename { |
159 | my ($head) = @_; | |
160 | ||
161 | if (my $value = $head->recommended_filename()) { | |
8210c7fa | 162 | chomp $value; |
758c7b6b DM |
163 | if (my $decvalue = MIME::Words::decode_mimewords($value)) { |
164 | $decvalue =~ s/\0/ /g; | |
5953119e | 165 | $decvalue = PVE::Tools::trim($decvalue); |
758c7b6b DM |
166 | return $decvalue; |
167 | } | |
168 | } | |
169 | ||
170 | return undef; | |
171 | } | |
172 | ||
173 | sub remove_marks { | |
18598b2c | 174 | my ($entity, $add_id) = @_; |
758c7b6b | 175 | |
18598b2c | 176 | my $id = 1; |
758c7b6b | 177 | |
18598b2c DC |
178 | PMG::MIMEUtils::traverse_mime_parts($entity, sub { |
179 | my ($part) = @_; | |
180 | foreach my $tag (grep {/^x-proxmox-tmp/i} $part->head->tags) { | |
181 | $part->head->delete($tag); | |
182 | } | |
758c7b6b | 183 | |
18598b2c | 184 | $part->head->replace('X-Proxmox-tmp-AID', $id) if $add_id; |
758c7b6b | 185 | |
18598b2c DC |
186 | $id++; |
187 | }); | |
758c7b6b DM |
188 | } |
189 | ||
190 | sub subst_values { | |
191 | my ($body, $dh) = @_; | |
192 | ||
193 | return if !$body; | |
194 | ||
195 | foreach my $k (keys %$dh) { | |
196 | my $v = $dh->{$k}; | |
bd98f5a1 DM |
197 | if (defined($v)) { |
198 | $body =~ s/__\Q${k}\E__/$v/gs; | |
758c7b6b DM |
199 | } |
200 | } | |
201 | ||
202 | return $body; | |
203 | } | |
204 | ||
205 | sub reinject_mail { | |
206 | my ($entity, $sender, $targets, $xforward, $me, $nodsn) = @_; | |
207 | ||
208 | my $smtp; | |
209 | my $resid; | |
210 | my $rescode; | |
211 | my $resmess; | |
212 | ||
213 | eval { | |
ebd31d3e | 214 | my $smtp = Net::SMTP->new('::FFFF:127.0.0.1', Port => 10025, Hello => $me) || |
758c7b6b DM |
215 | die "unable to connect to localhost at port 10025"; |
216 | ||
217 | if (defined($xforward)) { | |
218 | my $xfwd; | |
8210c7fa | 219 | |
758c7b6b DM |
220 | foreach my $attr (keys %{$xforward}) { |
221 | $xfwd .= " $attr=$xforward->{$attr}"; | |
222 | } | |
223 | ||
224 | if ($xfwd && $smtp->command("XFORWARD", $xfwd)->response() != CMD_OK) { | |
225 | syslog('err', "xforward error - got: %s %s", $smtp->code, scalar($smtp->message)); | |
226 | } | |
227 | } | |
228 | ||
00eaaf69 DM |
229 | my $has_utf8_targets = 0; |
230 | foreach my $target (@$targets) { | |
231 | if (utf8::is_utf8($target)) { | |
232 | $has_utf8_targets = 1; | |
233 | last; | |
234 | } | |
235 | } | |
236 | ||
237 | my $mail_opts = " BODY=8BITMIME"; | |
238 | my $sender_addr; | |
239 | if (utf8::is_utf8($sender)) { | |
240 | $sender_addr = encode('UTF-8', $smtp->_addr($sender)); | |
241 | $mail_opts .= " SMTPUTF8"; | |
242 | } else { | |
243 | $sender_addr = $smtp->_addr($sender); | |
244 | $mail_opts .= " SMTPUTF8" if $has_utf8_targets; | |
245 | } | |
246 | ||
247 | if (!$smtp->_MAIL("FROM:" . $sender_addr . $mail_opts)) { | |
758c7b6b DM |
248 | syslog('err', "smtp error - got: %s %s", $smtp->code, scalar ($smtp->message)); |
249 | die "smtp from: ERROR"; | |
250 | } | |
251 | ||
00eaaf69 | 252 | my $rcpt_opts = $nodsn ? " NOTIFY=NEVER" : ""; |
758c7b6b | 253 | |
00eaaf69 DM |
254 | foreach my $target (@$targets) { |
255 | my $rcpt_addr; | |
256 | if (utf8::is_utf8($target)) { | |
257 | $rcpt_addr = encode('UTF-8', $smtp->_addr($target)); | |
258 | } else { | |
259 | $rcpt_addr = $smtp->_addr($target); | |
260 | } | |
261 | if (!$smtp->_RCPT("TO:" . $rcpt_addr . $rcpt_opts)) { | |
262 | syslog ('err', "smtp error - got: %s %s", $smtp->code, scalar($smtp->message)); | |
263 | die "smtp to: ERROR"; | |
264 | } | |
758c7b6b DM |
265 | } |
266 | ||
267 | # Output the head: | |
268 | #$entity->sync_headers (); | |
269 | $smtp->data(); | |
270 | ||
271 | my $out = PMG::SMTPPrinter->new($smtp); | |
272 | $entity->print($out); | |
8210c7fa DM |
273 | |
274 | # make sure we always have a newline at the end of the mail | |
758c7b6b DM |
275 | # else dataend() fails |
276 | $smtp->datasend("\n"); | |
277 | ||
278 | if ($smtp->dataend()) { | |
279 | my @msgs = $smtp->message; | |
8210c7fa DM |
280 | $resmess = $msgs[$#msgs]; |
281 | ($resid) = $resmess =~ m/Ok: queued as ([0-9A-Z]+)/; | |
758c7b6b DM |
282 | $rescode = $smtp->code; |
283 | if (!$resid) { | |
284 | die sprintf("unexpected SMTP result - got: %s %s : WARNING", $smtp->code, $resmess); | |
8210c7fa | 285 | } |
758c7b6b DM |
286 | } else { |
287 | my @msgs = $smtp->message; | |
8210c7fa | 288 | $resmess = $msgs[$#msgs]; |
758c7b6b DM |
289 | $rescode = $smtp->code; |
290 | die sprintf("sending data failed - got: %s %s : ERROR", $smtp->code, $resmess); | |
291 | } | |
292 | }; | |
293 | my $err = $@; | |
8210c7fa | 294 | |
758c7b6b | 295 | $smtp->quit if $smtp; |
8210c7fa | 296 | |
758c7b6b DM |
297 | if ($err) { |
298 | syslog ('err', $err); | |
299 | } | |
300 | ||
301 | return wantarray ? ($resid, $rescode, $resmess) : $resid; | |
302 | } | |
303 | ||
89d4d155 SI |
304 | sub analyze_custom_check { |
305 | my ($queue, $dname, $pmg_cfg) = @_; | |
306 | ||
307 | my $enable_custom_check = $pmg_cfg->get('admin', 'custom_check'); | |
308 | return undef if !$enable_custom_check; | |
309 | ||
310 | my $timeout = 60*5; | |
311 | my $customcheck_exe = $pmg_cfg->get('admin', 'custom_check_path'); | |
312 | my $customcheck_apiver = 'v1'; | |
313 | my ($csec, $usec) = gettimeofday(); | |
314 | ||
315 | my $vinfo; | |
316 | my $spam_score; | |
317 | ||
318 | eval { | |
319 | ||
320 | my $log_err = sub { | |
321 | my ($errmsg) = @_; | |
322 | $errmsg =~ s/%/%%/; | |
323 | syslog('err', $errmsg); | |
324 | }; | |
325 | ||
326 | my $customcheck_output_apiver; | |
327 | my $have_result; | |
328 | my $parser = sub { | |
329 | my ($line) = @_; | |
330 | ||
331 | my $result_flag; | |
332 | if ($line =~ /^v\d$/) { | |
333 | die "api version already defined!\n" if defined($customcheck_output_apiver); | |
334 | $customcheck_output_apiver = $line; | |
335 | die "api version mismatch - expected $customcheck_apiver, got $customcheck_output_apiver !\n" | |
336 | if ($customcheck_output_apiver ne $customcheck_apiver); | |
337 | } elsif ($line =~ /^SCORE: (-?[0-9]+|.[0-9]+|[0-9]+.[0-9]+)$/) { | |
338 | $spam_score = $1; | |
339 | $result_flag = 1; | |
340 | } elsif ($line =~ /^VIRUS: (.+)$/) { | |
341 | $vinfo = $1; | |
342 | $result_flag = 1; | |
343 | } elsif ($line =~ /^OK$/) { | |
344 | $result_flag = 1; | |
345 | } else { | |
346 | die "got unexpected output!\n"; | |
347 | } | |
348 | die "got more than 1 result outputs\n" if ( $have_result && $result_flag); | |
349 | $have_result = $result_flag; | |
350 | }; | |
351 | ||
352 | PVE::Tools::run_command([$customcheck_exe, $customcheck_apiver, $dname], | |
353 | errmsg => "$queue->{logid} custom check error", | |
354 | errfunc => $log_err, outfunc => $parser, timeout => $timeout); | |
355 | ||
356 | die "no api version returned\n" if !defined($customcheck_output_apiver); | |
357 | die "no result output!\n" if !$have_result; | |
358 | }; | |
359 | my $err = $@; | |
360 | ||
361 | if ($vinfo) { | |
362 | syslog('info', "$queue->{logid}: virus detected: $vinfo (custom)"); | |
363 | } | |
364 | ||
365 | my ($csec_end, $usec_end) = gettimeofday(); | |
366 | $queue->{ptime_custom} = | |
367 | int (($csec_end-$csec)*1000 + ($usec_end - $usec)/1000); | |
368 | ||
369 | if ($err) { | |
370 | syslog ('err', $err); | |
371 | $vinfo = undef; | |
372 | $queue->{errors} = 1; | |
373 | } | |
374 | ||
375 | $queue->{vinfo_custom} = $vinfo; | |
376 | $queue->{spam_custom} = $spam_score; | |
377 | ||
378 | return ($vinfo, $spam_score); | |
379 | } | |
380 | ||
8210c7fa DM |
381 | sub analyze_virus_clam { |
382 | my ($queue, $dname, $pmg_cfg) = @_; | |
383 | ||
384 | my $timeout = 60*5; | |
385 | my $vinfo; | |
386 | ||
387 | my $clamdscan_opts = "--stdout"; | |
388 | ||
389 | my ($csec, $usec) = gettimeofday(); | |
390 | ||
391 | my $previous_alarm; | |
392 | ||
393 | eval { | |
394 | ||
395 | $previous_alarm = alarm($timeout); | |
396 | ||
397 | $SIG{ALRM} = sub { | |
398 | die "$queue->{logid}: Maximum time ($timeout sec) exceeded. " . | |
399 | "virus analyze (clamav) failed: ERROR"; | |
400 | }; | |
401 | ||
402 | open(CMD, "/usr/bin/clamdscan $clamdscan_opts '$dname'|") || | |
403 | die "$queue->{logid}: can't exec clamdscan: $! : ERROR"; | |
404 | ||
405 | my $ifiles; | |
8210c7fa | 406 | |
54eaf7df DM |
407 | my $response = ''; |
408 | while (defined(my $line = <CMD>)) { | |
409 | if ($line =~ m/^$dname.*:\s+([^ :]*)\s+FOUND$/) { | |
8210c7fa DM |
410 | # we just use the first detected virus name |
411 | $vinfo = $1 if !$vinfo; | |
54eaf7df | 412 | } elsif ($line =~ m/^Infected files:\s(\d*)$/i) { |
8210c7fa DM |
413 | $ifiles = $1; |
414 | } | |
415 | ||
54eaf7df | 416 | $response .= $line; |
8210c7fa DM |
417 | } |
418 | ||
419 | close(CMD); | |
420 | ||
421 | alarm(0); # avoid race conditions | |
422 | ||
423 | if (!defined($ifiles)) { | |
424 | die "$queue->{logid}: got undefined output from " . | |
54eaf7df | 425 | "virus detector: $response : ERROR"; |
8210c7fa DM |
426 | } |
427 | ||
428 | if ($vinfo) { | |
54eaf7df | 429 | syslog('info', "$queue->{logid}: virus detected: $vinfo (clamav)"); |
8210c7fa DM |
430 | } |
431 | }; | |
432 | my $err = $@; | |
433 | ||
434 | alarm($previous_alarm); | |
435 | ||
436 | my ($csec_end, $usec_end) = gettimeofday(); | |
437 | $queue->{ptime_clam} = | |
438 | int (($csec_end-$csec)*1000 + ($usec_end - $usec)/1000); | |
439 | ||
440 | if ($err) { | |
441 | syslog ('err', $err); | |
442 | $vinfo = undef; | |
443 | $queue->{errors} = 1; | |
444 | } | |
445 | ||
446 | $queue->{vinfo_clam} = $vinfo; | |
447 | ||
448 | return $vinfo ? "$vinfo (clamav)" : undef; | |
449 | } | |
450 | ||
6ccbc37f DM |
451 | sub analyze_virus_avast { |
452 | my ($queue, $dname, $pmg_cfg) = @_; | |
453 | ||
454 | my $timeout = 60*5; | |
455 | my $vinfo; | |
456 | ||
457 | my ($csec, $usec) = gettimeofday(); | |
458 | ||
459 | my $previous_alarm; | |
460 | ||
461 | eval { | |
462 | ||
463 | $previous_alarm = alarm($timeout); | |
464 | ||
465 | $SIG{ALRM} = sub { | |
466 | die "$queue->{logid}: Maximum time ($timeout sec) exceeded. " . | |
467 | "virus analyze (avast) failed: ERROR"; | |
468 | }; | |
469 | ||
661d569a | 470 | open(my $cmd, '-|', 'scan', $dname) || |
6ccbc37f DM |
471 | die "$queue->{logid}: can't exec avast scan: $! : ERROR"; |
472 | ||
473 | my $response = ''; | |
474 | while (defined(my $line = <$cmd>)) { | |
475 | if ($line =~ m/^$dname\s+(.*\S)\s*$/) { | |
476 | # we just use the first detected virus name | |
477 | $vinfo = $1 if !$vinfo; | |
478 | } | |
479 | ||
480 | $response .= $line; | |
481 | } | |
482 | ||
483 | close($cmd); | |
484 | ||
485 | alarm(0); # avoid race conditions | |
486 | ||
487 | if ($vinfo) { | |
488 | syslog('info', "$queue->{logid}: virus detected: $vinfo (avast)"); | |
489 | } | |
490 | }; | |
491 | my $err = $@; | |
492 | ||
493 | alarm($previous_alarm); | |
494 | ||
495 | my ($csec_end, $usec_end) = gettimeofday(); | |
496 | $queue->{ptime_clam} = | |
497 | int (($csec_end-$csec)*1000 + ($usec_end - $usec)/1000); | |
498 | ||
499 | if ($err) { | |
500 | syslog ('err', $err); | |
501 | $vinfo = undef; | |
502 | $queue->{errors} = 1; | |
503 | } | |
504 | ||
505 | return undef if !$vinfo; | |
506 | ||
507 | $queue->{vinfo_avast} = $vinfo; | |
508 | ||
509 | return "$vinfo (avast)"; | |
510 | } | |
511 | ||
8210c7fa DM |
512 | sub analyze_virus { |
513 | my ($queue, $filename, $pmg_cfg, $testmode) = @_; | |
514 | ||
515 | # TODO: support other virus scanners? | |
516 | ||
6ccbc37f DM |
517 | if ($testmode) { |
518 | my $vinfo_clam = analyze_virus_clam($queue, $filename, $pmg_cfg); | |
519 | my $vinfo_avast = analyze_virus_avast($queue, $filename, $pmg_cfg); | |
520 | ||
521 | return $vinfo_avast || $vinfo_clam; | |
522 | } | |
523 | ||
524 | my $enable_avast = $pmg_cfg->get('admin', 'avast'); | |
525 | ||
526 | if ($enable_avast) { | |
527 | if (my $vinfo = analyze_virus_avast($queue, $filename, $pmg_cfg)) { | |
528 | return $vinfo; | |
529 | } | |
530 | } | |
531 | ||
9acd4d57 DM |
532 | my $enable_clamav = $pmg_cfg->get('admin', 'clamav'); |
533 | ||
534 | if ($enable_clamav) { | |
535 | if (my $vinfo = analyze_virus_clam($queue, $filename, $pmg_cfg)) { | |
536 | return $vinfo; | |
537 | } | |
538 | } | |
539 | ||
540 | return undef; | |
8210c7fa DM |
541 | } |
542 | ||
26357b0a DM |
543 | sub magic_mime_type_for_file { |
544 | my ($filename) = @_; | |
dff363d9 | 545 | |
26357b0a DM |
546 | # we do not use get_mime_type_for_file, because that considers |
547 | # filename extensions - we only want magic type detection | |
548 | ||
549 | my $bufsize = Xdgmime::xdg_mime_get_max_buffer_extents(); | |
550 | die "got strange value for max_buffer_extents" if $bufsize > 4096*10; | |
551 | ||
552 | my $ct = "application/octet-stream"; | |
553 | ||
dff363d9 | 554 | my $fh = IO::File->new("<$filename") || |
26357b0a DM |
555 | die "unable to open file '$filename' - $!"; |
556 | ||
557 | my ($buf, $len); | |
558 | if (($len = $fh->read($buf, $bufsize)) > 0) { | |
559 | $ct = xdg_mime_get_mime_type_for_data($buf, $len); | |
560 | } | |
561 | $fh->close(); | |
dff363d9 | 562 | |
26357b0a | 563 | die "unable to read file '$filename' - $!" if ($len < 0); |
dff363d9 | 564 | |
26357b0a DM |
565 | return $ct; |
566 | } | |
758c7b6b | 567 | |
1d4193a1 DM |
568 | sub add_ct_marks { |
569 | my ($entity) = @_; | |
570 | ||
571 | if (my $path = $entity->{PMX_decoded_path}) { | |
572 | ||
573 | # set a reasonable default if magic does not give a result | |
574 | $entity->{PMX_magic_ct} = $entity->head->mime_attr('content-type'); | |
575 | ||
576 | if (my $ct = magic_mime_type_for_file($path)) { | |
577 | if ($ct ne 'application/octet-stream' || !$entity->{PMX_magic_ct}) { | |
578 | $entity->{PMX_magic_ct} = $ct; | |
579 | } | |
580 | } | |
581 | ||
582 | my $filename = $entity->head->recommended_filename; | |
583 | $filename = basename($path) if !defined($filename) || $filename eq ''; | |
584 | ||
585 | if (my $ct = xdg_mime_get_mime_type_from_file_name($filename)) { | |
586 | $entity->{PMX_glob_ct} = $ct; | |
587 | } | |
588 | } | |
589 | ||
590 | foreach my $part ($entity->parts) { | |
591 | add_ct_marks ($part); | |
592 | } | |
593 | } | |
594 | ||
f609bf7f DM |
595 | # x509 certificate utils |
596 | ||
896ef634 DM |
597 | # only write output if something fails |
598 | sub run_silent_cmd { | |
599 | my ($cmd) = @_; | |
600 | ||
601 | my $outbuf = ''; | |
602 | ||
603 | my $record_output = sub { | |
604 | $outbuf .= shift; | |
605 | $outbuf .= "\n"; | |
606 | }; | |
607 | ||
608 | eval { | |
609 | PVE::Tools::run_command($cmd, outfunc => $record_output, | |
610 | errfunc => $record_output); | |
611 | }; | |
612 | my $err = $@; | |
613 | ||
614 | if ($err) { | |
615 | print STDERR $outbuf; | |
616 | die $err; | |
617 | } | |
618 | } | |
619 | ||
3278b571 | 620 | my $proxmox_tls_cert_fn = "/etc/pmg/pmg-tls.pem"; |
f609bf7f DM |
621 | |
622 | sub gen_proxmox_tls_cert { | |
bc44eb02 | 623 | my ($force) = @_; |
f609bf7f | 624 | |
bc44eb02 DM |
625 | my $resolv = PVE::INotify::read_file('resolvconf'); |
626 | my $domain = $resolv->{search}; | |
627 | ||
628 | my $company = $domain; # what else ? | |
629 | my $cn = "*.$domain"; | |
630 | ||
631 | return if !$force && -f $proxmox_tls_cert_fn; | |
f609bf7f DM |
632 | |
633 | my $sslconf = <<__EOD__; | |
634 | RANDFILE = /root/.rnd | |
635 | extensions = v3_req | |
636 | ||
637 | [ req ] | |
638 | default_bits = 4096 | |
639 | distinguished_name = req_distinguished_name | |
640 | req_extensions = v3_req | |
641 | prompt = no | |
642 | string_mask = nombstr | |
643 | ||
644 | [ req_distinguished_name ] | |
645 | organizationalUnitName = Proxmox Mail Gateway | |
646 | organizationName = $company | |
647 | commonName = $cn | |
648 | ||
649 | [ v3_req ] | |
650 | basicConstraints = CA:FALSE | |
651 | nsCertType = server | |
652 | keyUsage = nonRepudiation, digitalSignature, keyEncipherment | |
653 | __EOD__ | |
654 | ||
3278b571 | 655 | my $cfgfn = "/tmp/pmgtlsconf-$$.tmp"; |
f609bf7f DM |
656 | my $fh = IO::File->new ($cfgfn, "w"); |
657 | print $fh $sslconf; | |
658 | close ($fh); | |
659 | ||
660 | eval { | |
896ef634 DM |
661 | my $cmd = ['openssl', 'req', '-batch', '-x509', '-new', '-sha256', |
662 | '-config', $cfgfn, '-days', 3650, '-nodes', | |
663 | '-out', $proxmox_tls_cert_fn, | |
664 | '-keyout', $proxmox_tls_cert_fn]; | |
665 | run_silent_cmd($cmd); | |
f609bf7f DM |
666 | }; |
667 | ||
668 | if (my $err = $@) { | |
669 | unlink $proxmox_tls_cert_fn; | |
670 | unlink $cfgfn; | |
671 | die "unable to generate proxmox certificate request:\n$err"; | |
672 | } | |
673 | ||
674 | unlink $cfgfn; | |
675 | } | |
676 | ||
677 | sub find_local_network_for_ip { | |
1e88a529 | 678 | my ($ip, $noerr) = @_; |
f609bf7f DM |
679 | |
680 | my $testip = Net::IP->new($ip); | |
681 | ||
682 | my $isv6 = $testip->version == 6; | |
683 | my $routes = $isv6 ? | |
684 | PVE::ProcFSTools::read_proc_net_ipv6_route() : | |
685 | PVE::ProcFSTools::read_proc_net_route(); | |
686 | ||
687 | foreach my $entry (@$routes) { | |
688 | my $mask; | |
689 | if ($isv6) { | |
690 | $mask = $entry->{prefix}; | |
691 | next if !$mask; # skip the default route... | |
692 | } else { | |
693 | $mask = $PVE::Network::ipv4_mask_hash_localnet->{$entry->{mask}}; | |
694 | next if !defined($mask); | |
695 | } | |
696 | my $cidr = "$entry->{dest}/$mask"; | |
697 | my $testnet = Net::IP->new($cidr); | |
698 | my $overlap = $testnet->overlaps($testip); | |
699 | if ($overlap == $Net::IP::IP_B_IN_A_OVERLAP || | |
700 | $overlap == $Net::IP::IP_IDENTICAL) | |
701 | { | |
702 | return $cidr; | |
703 | } | |
704 | } | |
705 | ||
1e88a529 DM |
706 | return undef if $noerr; |
707 | ||
f609bf7f DM |
708 | die "unable to detect local network for ip '$ip'\n"; |
709 | } | |
d0d91cda | 710 | |
ef07e4d0 DM |
711 | my $service_aliases = { |
712 | 'postfix' => 'postfix@-', | |
6c553417 | 713 | 'postgres' => 'postgresql@11-main', |
ef07e4d0 DM |
714 | }; |
715 | ||
716 | sub lookup_real_service_name { | |
717 | my $alias = shift; | |
718 | ||
719 | return $service_aliases->{$alias} // $alias; | |
720 | } | |
721 | ||
230b4e03 DM |
722 | sub get_full_service_state { |
723 | my ($service) = @_; | |
724 | ||
725 | my $res; | |
726 | ||
727 | my $parser = sub { | |
728 | my $line = shift; | |
729 | if ($line =~ m/^([^=\s]+)=(.*)$/) { | |
730 | $res->{$1} = $2; | |
731 | } | |
732 | }; | |
733 | ||
ef07e4d0 | 734 | $service = $service_aliases->{$service} // $service; |
230b4e03 DM |
735 | PVE::Tools::run_command(['systemctl', 'show', $service], outfunc => $parser); |
736 | ||
737 | return $res; | |
738 | } | |
739 | ||
00d8b7f7 DM |
740 | our $db_service_list = [ |
741 | 'pmgpolicy', 'pmgmirror', 'pmgtunnel', 'pmg-smtp-filter' ]; | |
742 | ||
cfdf6608 DM |
743 | sub service_wait_stopped { |
744 | my ($timeout, $service_list) = @_; | |
745 | ||
746 | my $starttime = time(); | |
747 | ||
748 | foreach my $service (@$service_list) { | |
749 | PVE::Tools::run_command(['systemctl', 'stop', $service]); | |
750 | } | |
751 | ||
752 | while (1) { | |
753 | my $wait = 0; | |
754 | ||
755 | foreach my $service (@$service_list) { | |
756 | my $ss = get_full_service_state($service); | |
757 | my $state = $ss->{ActiveState} // 'unknown'; | |
758 | ||
759 | if ($state ne 'inactive') { | |
760 | if ((time() - $starttime) > $timeout) { | |
761 | syslog('err', "unable to stop services (got timeout)"); | |
762 | $wait = 0; | |
763 | last; | |
764 | } | |
765 | $wait = 1; | |
766 | } | |
767 | } | |
768 | ||
769 | last if !$wait; | |
770 | ||
771 | sleep(1); | |
772 | } | |
773 | } | |
774 | ||
3f85510e DM |
775 | sub service_cmd { |
776 | my ($service, $cmd) = @_; | |
777 | ||
778 | die "unknown service command '$cmd'\n" | |
f6884917 | 779 | if $cmd !~ m/^(start|stop|restart|reload|reload-or-restart)$/; |
3f85510e DM |
780 | |
781 | if ($service eq 'pmgdaemon' || $service eq 'pmgproxy') { | |
f6884917 | 782 | die "invalid service cmd '$service $cmd': ERROR" if $cmd eq 'stop'; |
81fa07d9 DM |
783 | } elsif ($service eq 'fetchmail') { |
784 | # use restart instead of start - else it does not start 'exited' unit | |
785 | # after setting START_DAEMON=yes in /etc/default/fetchmail | |
786 | $cmd = 'restart' if $cmd eq 'start'; | |
3f85510e DM |
787 | } |
788 | ||
ef07e4d0 | 789 | $service = $service_aliases->{$service} // $service; |
3f85510e DM |
790 | PVE::Tools::run_command(['systemctl', $cmd, $service]); |
791 | }; | |
792 | ||
630d1ae3 DM |
793 | sub run_postmap { |
794 | my ($filename) = @_; | |
795 | ||
796 | # make sure the file exists (else postmap fails) | |
797 | IO::File->new($filename, 'a', 0644); | |
798 | ||
1dc946d4 DM |
799 | my $mtime_src = (CORE::stat($filename))[9] // |
800 | die "unbale to read mtime of $filename\n"; | |
801 | ||
802 | my $mtime_dst = (CORE::stat("$filename.db"))[9] // 0; | |
78982d93 DM |
803 | |
804 | # if not changed, do nothing | |
1dc946d4 | 805 | return if $mtime_src <= $mtime_dst; |
78982d93 | 806 | |
630d1ae3 DM |
807 | eval { |
808 | PVE::Tools::run_command( | |
809 | ['/usr/sbin/postmap', $filename], | |
810 | errmsg => "unable to update postfix table $filename"); | |
811 | }; | |
812 | my $err = $@; | |
813 | ||
814 | warn $err if $err; | |
815 | } | |
816 | ||
d17c5265 DM |
817 | sub clamav_dbstat { |
818 | ||
819 | my $res = []; | |
820 | ||
821 | my $read_cvd_info = sub { | |
822 | my ($dbname, $dbfile) = @_; | |
823 | ||
824 | my $header; | |
825 | my $fh = IO::File->new("<$dbfile"); | |
826 | if (!$fh) { | |
827 | warn "cant open ClamAV Database $dbname ($dbfile) - $!\n"; | |
828 | return; | |
829 | } | |
830 | $fh->read($header, 512); | |
831 | $fh->close(); | |
832 | ||
833 | ## ClamAV-VDB:16 Mar 2016 23-17 +0000:57:4218790:60:06386f34a16ebeea2733ab037f0536be: | |
834 | if ($header =~ m/^(ClamAV-VDB):([^:]+):(\d+):(\d+):/) { | |
835 | my ($ftype, $btime, $version, $nsigs) = ($1, $2, $3, $4); | |
836 | push @$res, { | |
837 | name => $dbname, | |
838 | type => $ftype, | |
839 | build_time => $btime, | |
840 | version => $version, | |
841 | nsigs => $nsigs, | |
842 | }; | |
843 | } else { | |
844 | warn "unable to parse ClamAV Database $dbname ($dbfile)\n"; | |
845 | } | |
846 | }; | |
847 | ||
848 | # main database | |
849 | my $filename = "/var/lib/clamav/main.inc/main.info"; | |
850 | $filename = "/var/lib/clamav/main.cvd" if ! -f $filename; | |
851 | ||
852 | $read_cvd_info->('main', $filename) if -f $filename; | |
853 | ||
854 | # daily database | |
855 | $filename = "/var/lib/clamav/daily.inc/daily.info"; | |
856 | $filename = "/var/lib/clamav/daily.cvd" if ! -f $filename; | |
857 | $filename = "/var/lib/clamav/daily.cld" if ! -f $filename; | |
858 | ||
859 | $read_cvd_info->('daily', $filename) if -f $filename; | |
860 | ||
861 | $filename = "/var/lib/clamav/bytecode.cvd"; | |
862 | $read_cvd_info->('bytecode', $filename) if -f $filename; | |
863 | ||
9860e592 DM |
864 | $filename = "/var/lib/clamav/safebrowsing.cvd"; |
865 | $read_cvd_info->('safebrowsing', $filename) if -f $filename; | |
866 | ||
dabcd20e DM |
867 | my $ss_dbs_fn = "/var/lib/clamav-unofficial-sigs/configs/ss-include-dbs.txt"; |
868 | my $ss_dbs_files = {}; | |
869 | if (my $ssfh = IO::File->new("<${ss_dbs_fn}")) { | |
870 | while (defined(my $line = <$ssfh>)) { | |
871 | chomp $line; | |
872 | $ss_dbs_files->{$line} = 1; | |
873 | } | |
874 | } | |
d17c5265 DM |
875 | my $last = 0; |
876 | my $nsigs = 0; | |
877 | foreach $filename (</var/lib/clamav/*>) { | |
dabcd20e DM |
878 | my $fn = basename($filename); |
879 | next if !$ss_dbs_files->{$fn}; | |
880 | ||
d17c5265 DM |
881 | my $fh = IO::File->new("<$filename"); |
882 | next if !defined($fh); | |
883 | my $st = stat($fh); | |
884 | next if !$st; | |
885 | my $mtime = $st->mtime(); | |
886 | $last = $mtime if $mtime > $last; | |
887 | while (defined(my $line = <$fh>)) { $nsigs++; } | |
888 | } | |
889 | ||
890 | if ($nsigs > 0) { | |
891 | push @$res, { | |
9860e592 | 892 | name => 'sanesecurity', |
d17c5265 | 893 | type => 'unofficial', |
2d011fef | 894 | build_time => strftime("%d %b %Y %H-%M %z", localtime($last)), |
d17c5265 DM |
895 | nsigs => $nsigs, |
896 | }; | |
897 | } | |
898 | ||
899 | return $res; | |
900 | } | |
901 | ||
dff363d9 DM |
902 | # RRD related code |
903 | my $rrd_dir = "/var/lib/rrdcached/db"; | |
904 | my $rrdcached_socket = "/var/run/rrdcached.sock"; | |
905 | ||
906 | my $rrd_def_node = [ | |
907 | "DS:loadavg:GAUGE:120:0:U", | |
908 | "DS:maxcpu:GAUGE:120:0:U", | |
909 | "DS:cpu:GAUGE:120:0:U", | |
910 | "DS:iowait:GAUGE:120:0:U", | |
911 | "DS:memtotal:GAUGE:120:0:U", | |
912 | "DS:memused:GAUGE:120:0:U", | |
913 | "DS:swaptotal:GAUGE:120:0:U", | |
914 | "DS:swapused:GAUGE:120:0:U", | |
915 | "DS:roottotal:GAUGE:120:0:U", | |
916 | "DS:rootused:GAUGE:120:0:U", | |
917 | "DS:netin:DERIVE:120:0:U", | |
918 | "DS:netout:DERIVE:120:0:U", | |
919 | ||
920 | "RRA:AVERAGE:0.5:1:70", # 1 min avg - one hour | |
921 | "RRA:AVERAGE:0.5:30:70", # 30 min avg - one day | |
922 | "RRA:AVERAGE:0.5:180:70", # 3 hour avg - one week | |
923 | "RRA:AVERAGE:0.5:720:70", # 12 hour avg - one month | |
924 | "RRA:AVERAGE:0.5:10080:70", # 7 day avg - ony year | |
925 | ||
926 | "RRA:MAX:0.5:1:70", # 1 min max - one hour | |
927 | "RRA:MAX:0.5:30:70", # 30 min max - one day | |
928 | "RRA:MAX:0.5:180:70", # 3 hour max - one week | |
929 | "RRA:MAX:0.5:720:70", # 12 hour max - one month | |
930 | "RRA:MAX:0.5:10080:70", # 7 day max - ony year | |
931 | ]; | |
932 | ||
933 | sub cond_create_rrd_file { | |
934 | my ($filename, $rrddef) = @_; | |
935 | ||
936 | return if -f $filename; | |
937 | ||
938 | my @args = ($filename); | |
939 | ||
940 | push @args, "--daemon" => "unix:${rrdcached_socket}" | |
941 | if -S $rrdcached_socket; | |
942 | ||
943 | push @args, '--step', 60; | |
944 | ||
945 | push @args, @$rrddef; | |
946 | ||
947 | # print "TEST: " . join(' ', @args) . "\n"; | |
948 | ||
949 | RRDs::create(@args); | |
950 | my $err = RRDs::error; | |
951 | die "RRD error: $err\n" if $err; | |
952 | } | |
953 | ||
954 | sub update_node_status_rrd { | |
955 | ||
956 | my $filename = "$rrd_dir/pmg-node-v1.rrd"; | |
957 | cond_create_rrd_file($filename, $rrd_def_node); | |
958 | ||
959 | my ($avg1, $avg5, $avg15) = PVE::ProcFSTools::read_loadavg(); | |
960 | ||
961 | my $stat = PVE::ProcFSTools::read_proc_stat(); | |
962 | ||
963 | my $netdev = PVE::ProcFSTools::read_proc_net_dev(); | |
964 | ||
965 | my ($uptime) = PVE::ProcFSTools::read_proc_uptime(); | |
966 | ||
967 | my $cpuinfo = PVE::ProcFSTools::read_cpuinfo(); | |
968 | ||
969 | my $maxcpu = $cpuinfo->{cpus}; | |
970 | ||
971 | # traffic from/to physical interface cards | |
972 | my $netin = 0; | |
973 | my $netout = 0; | |
974 | foreach my $dev (keys %$netdev) { | |
170295f8 | 975 | next if $dev !~ m/^$PVE::Network::PHYSICAL_NIC_RE$/; |
dff363d9 DM |
976 | $netin += $netdev->{$dev}->{receive}; |
977 | $netout += $netdev->{$dev}->{transmit}; | |
978 | } | |
979 | ||
980 | my $meminfo = PVE::ProcFSTools::read_meminfo(); | |
981 | ||
982 | my $dinfo = df('/', 1); # output is bytes | |
983 | ||
984 | my $ctime = time(); | |
985 | ||
986 | # everything not free is considered to be used | |
987 | my $dused = $dinfo->{blocks} - $dinfo->{bfree}; | |
988 | ||
989 | my $data = "$ctime:$avg1:$maxcpu:$stat->{cpu}:$stat->{wait}:" . | |
990 | "$meminfo->{memtotal}:$meminfo->{memused}:" . | |
991 | "$meminfo->{swaptotal}:$meminfo->{swapused}:" . | |
992 | "$dinfo->{blocks}:$dused:$netin:$netout"; | |
993 | ||
994 | ||
995 | my @args = ($filename); | |
996 | ||
997 | push @args, "--daemon" => "unix:${rrdcached_socket}" | |
998 | if -S $rrdcached_socket; | |
999 | ||
1000 | push @args, $data; | |
1001 | ||
1002 | # print "TEST: " . join(' ', @args) . "\n"; | |
1003 | ||
1004 | RRDs::update(@args); | |
1005 | my $err = RRDs::error; | |
1006 | die "RRD error: $err\n" if $err; | |
1007 | } | |
1008 | ||
065b2986 DM |
1009 | sub create_rrd_data { |
1010 | my ($rrdname, $timeframe, $cf) = @_; | |
1011 | ||
1012 | my $rrd = "${rrd_dir}/$rrdname"; | |
1013 | ||
1014 | my $setup = { | |
1015 | hour => [ 60, 70 ], | |
1016 | day => [ 60*30, 70 ], | |
1017 | week => [ 60*180, 70 ], | |
1018 | month => [ 60*720, 70 ], | |
1019 | year => [ 60*10080, 70 ], | |
1020 | }; | |
1021 | ||
1022 | my ($reso, $count) = @{$setup->{$timeframe}}; | |
1023 | my $ctime = $reso*int(time()/$reso); | |
1024 | my $req_start = $ctime - $reso*$count; | |
1025 | ||
1026 | $cf = "AVERAGE" if !$cf; | |
1027 | ||
1028 | my @args = ( | |
1029 | "-s" => $req_start, | |
1030 | "-e" => $ctime - 1, | |
1031 | "-r" => $reso, | |
1032 | ); | |
1033 | ||
1034 | push @args, "--daemon" => "unix:${rrdcached_socket}" | |
1035 | if -S $rrdcached_socket; | |
1036 | ||
1037 | my ($start, $step, $names, $data) = RRDs::fetch($rrd, $cf, @args); | |
1038 | ||
1039 | my $err = RRDs::error; | |
1040 | die "RRD error: $err\n" if $err; | |
1041 | ||
1042 | die "got wrong time resolution ($step != $reso)\n" | |
1043 | if $step != $reso; | |
1044 | ||
1045 | my $res = []; | |
1046 | my $fields = scalar(@$names); | |
1047 | for my $line (@$data) { | |
1048 | my $entry = { 'time' => $start }; | |
1049 | $start += $step; | |
1050 | for (my $i = 0; $i < $fields; $i++) { | |
1051 | my $name = $names->[$i]; | |
1052 | if (defined(my $val = $line->[$i])) { | |
1053 | $entry->{$name} = $val; | |
1054 | } else { | |
1055 | # leave empty fields undefined | |
1056 | # maybe make this configurable? | |
1057 | } | |
1058 | } | |
1059 | push @$res, $entry; | |
1060 | } | |
1061 | ||
1062 | return $res; | |
1063 | } | |
1064 | ||
8da6f9ec DM |
1065 | sub decode_to_html { |
1066 | my ($charset, $data) = @_; | |
1067 | ||
1068 | my $res = $data; | |
1069 | ||
1070 | eval { $res = encode_entities(decode($charset, $data)); }; | |
1071 | ||
1072 | return $res; | |
1073 | } | |
1074 | ||
46f9e9af DM |
1075 | sub decode_rfc1522 { |
1076 | my ($enc) = @_; | |
1077 | ||
1078 | my $res = ''; | |
1079 | ||
1080 | return '' if !$enc; | |
1081 | ||
1082 | eval { | |
1083 | foreach my $r (MIME::Words::decode_mimewords($enc)) { | |
1084 | my ($d, $cs) = @$r; | |
1085 | if ($d) { | |
1086 | if ($cs) { | |
1087 | $res .= decode($cs, $d); | |
1088 | } else { | |
1089 | $res .= $d; | |
1090 | } | |
1091 | } | |
1092 | } | |
1093 | }; | |
1094 | ||
1095 | $res = $enc if $@; | |
1096 | ||
1097 | return $res; | |
1098 | } | |
1099 | ||
9a56f771 DM |
1100 | sub rfc1522_to_html { |
1101 | my ($enc) = @_; | |
1102 | ||
1103 | my $res = ''; | |
1104 | ||
1105 | return '' if !$enc; | |
1106 | ||
1107 | eval { | |
1108 | foreach my $r (MIME::Words::decode_mimewords($enc)) { | |
1109 | my ($d, $cs) = @$r; | |
1110 | if ($d) { | |
1111 | if ($cs) { | |
1112 | $res .= encode_entities(decode($cs, $d)); | |
1113 | } else { | |
1114 | $res .= encode_entities($d); | |
1115 | } | |
1116 | } | |
1117 | } | |
1118 | }; | |
1119 | ||
1120 | $res = $enc if $@; | |
1121 | ||
1122 | return $res; | |
1123 | } | |
1124 | ||
9d26ab13 DM |
1125 | # RFC 2047 B-ENCODING http://rfc.net/rfc2047.html |
1126 | # (Q-Encoding is complex and error prone) | |
1127 | sub bencode_header { | |
1128 | my $txt = shift; | |
1129 | ||
1130 | my $CRLF = "\015\012"; | |
1131 | ||
1132 | # Nonprintables (controls + x7F + 8bit): | |
1133 | my $NONPRINT = "\\x00-\\x1F\\x7F-\\xFF"; | |
1134 | ||
1135 | # always use utf-8 (work with japanese character sets) | |
1136 | $txt = encode("UTF-8", $txt); | |
1137 | ||
1138 | return $txt if $txt !~ /[$NONPRINT]/o; | |
1139 | ||
1140 | my $res = ''; | |
1141 | ||
1142 | while ($txt =~ s/^(.{1,42})//sm) { | |
1143 | my $t = MIME::Words::encode_mimeword ($1, 'B', 'UTF-8'); | |
1144 | $res .= $res ? "\015\012\t$t" : $t; | |
1145 | } | |
1146 | ||
1147 | return $res; | |
1148 | } | |
1149 | ||
7d89adf4 | 1150 | sub load_sa_descriptions { |
e325aa6f | 1151 | my ($additional_dirs) = @_; |
7d89adf4 DM |
1152 | |
1153 | my @dirs = ('/usr/share/spamassassin', | |
1154 | '/usr/share/spamassassin-extra'); | |
1155 | ||
e325aa6f DC |
1156 | push @dirs, @$additional_dirs if @$additional_dirs; |
1157 | ||
7d89adf4 DM |
1158 | my $res = {}; |
1159 | ||
1160 | my $parse_sa_file = sub { | |
1161 | my ($file) = @_; | |
1162 | ||
1163 | open(my $fh,'<', $file); | |
1164 | return if !defined($fh); | |
1165 | ||
1166 | while (defined(my $line = <$fh>)) { | |
24780ff0 | 1167 | if ($line =~ m/^(?:\s*)describe\s+(\S+)\s+(.*)\s*$/) { |
7d89adf4 DM |
1168 | my ($name, $desc) = ($1, $2); |
1169 | next if $res->{$name}; | |
1170 | $res->{$name}->{desc} = $desc; | |
1171 | if ($desc =~ m|[\(\s](http:\/\/\S+\.[^\s\.\)]+\.[^\s\.\)]+)|i) { | |
1172 | $res->{$name}->{url} = $1; | |
1173 | } | |
1174 | } | |
1175 | } | |
1176 | close($fh); | |
1177 | }; | |
1178 | ||
1179 | foreach my $dir (@dirs) { | |
1180 | foreach my $file (<$dir/*.cf>) { | |
1181 | $parse_sa_file->($file); | |
1182 | } | |
1183 | } | |
1184 | ||
cda67dee | 1185 | $res->{'ClamAVHeuristics'}->{desc} = "ClamAV heuristic tests"; |
0d5209bf | 1186 | |
7d89adf4 DM |
1187 | return $res; |
1188 | } | |
1189 | ||
8162c745 DM |
1190 | sub format_uptime { |
1191 | my ($uptime) = @_; | |
1192 | ||
1193 | my $days = int($uptime/86400); | |
1194 | $uptime -= $days*86400; | |
1195 | ||
1196 | my $hours = int($uptime/3600); | |
1197 | $uptime -= $hours*3600; | |
1198 | ||
1199 | my $mins = $uptime/60; | |
1200 | ||
1201 | if ($days) { | |
1202 | my $ds = $days > 1 ? 'days' : 'day'; | |
1203 | return sprintf "%d $ds %02d:%02d", $days, $hours, $mins; | |
1204 | } else { | |
1205 | return sprintf "%02d:%02d", $hours, $mins; | |
1206 | } | |
1207 | } | |
1208 | ||
3dfe317a DM |
1209 | sub finalize_report { |
1210 | my ($tt, $template, $data, $mailfrom, $receiver, $debug) = @_; | |
1211 | ||
1212 | my $html = ''; | |
1213 | ||
1214 | $tt->process($template, $data, \$html) || | |
1215 | die $tt->error() . "\n"; | |
1216 | ||
1217 | my $title; | |
1218 | if ($html =~ m|^\s*<title>(.*)</title>|m) { | |
1219 | $title = $1; | |
1220 | } else { | |
1221 | die "unable to extract template title\n"; | |
1222 | } | |
1223 | ||
1224 | my $top = MIME::Entity->build( | |
1225 | Type => "multipart/related", | |
1226 | To => $data->{pmail}, | |
1227 | From => $mailfrom, | |
1228 | Subject => bencode_header(decode_entities($title))); | |
1229 | ||
1230 | $top->attach( | |
1231 | Data => $html, | |
1232 | Type => "text/html", | |
1233 | Encoding => $debug ? 'binary' : 'quoted-printable'); | |
1234 | ||
1235 | if ($debug) { | |
1236 | $top->print(); | |
1237 | return; | |
1238 | } | |
1239 | # we use an empty envelope sender (we dont want to receive NDRs) | |
1240 | PMG::Utils::reinject_mail ($top, '', [$receiver], undef, $data->{fqdn}); | |
1241 | } | |
1242 | ||
2f7031b7 DM |
1243 | sub lookup_timespan { |
1244 | my ($timespan) = @_; | |
1245 | ||
1246 | my (undef, undef, undef, $mday, $mon, $year) = localtime(time()); | |
1247 | my $daystart = timelocal(0, 0, 0, $mday, $mon, $year); | |
1248 | ||
1249 | my $start; | |
1250 | my $end; | |
1251 | ||
1252 | if ($timespan eq 'today') { | |
1253 | $start = $daystart; | |
1254 | $end = $start + 86400; | |
1255 | } elsif ($timespan eq 'yesterday') { | |
1256 | $end = $daystart; | |
1257 | $start = $end - 86400; | |
1258 | } elsif ($timespan eq 'week') { | |
1259 | $end = $daystart; | |
1260 | $start = $end - 7*86400; | |
1261 | } else { | |
1262 | die "internal error"; | |
1263 | } | |
1264 | ||
1265 | return ($start, $end); | |
1266 | } | |
1267 | ||
17a7c6c9 DM |
1268 | my $rbl_scan_last_cursor; |
1269 | my $rbl_scan_start_time = time(); | |
1270 | ||
1271 | sub scan_journal_for_rbl_rejects { | |
1272 | ||
1273 | # example postscreen log entry for RBL rejects | |
1274 | # 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> | |
1275 | ||
2e0e3415 DM |
1276 | # example for PREGREET reject |
1277 | # Dec 7 06:57:11 proxmox postfix/postscreen[32084]: PREGREET 14 after 0.23 from [x.x.x.x]:63492: EHLO yyyyy\r\n | |
1278 | ||
17a7c6c9 DM |
1279 | my $identifier = 'postfix/postscreen'; |
1280 | ||
2e0e3415 DM |
1281 | my $rbl_count = 0; |
1282 | my $pregreet_count = 0; | |
17a7c6c9 DM |
1283 | |
1284 | my $parser = sub { | |
16ad0786 | 1285 | my $log = decode_json(shift); |
17a7c6c9 | 1286 | |
71edb4d0 FG |
1287 | $rbl_scan_last_cursor = $log->{__CURSOR} if defined($log->{__CURSOR}); |
1288 | ||
16ad0786 | 1289 | my $message = $log->{MESSAGE}; |
71edb4d0 FG |
1290 | return if !defined($message); |
1291 | ||
16ad0786 | 1292 | if ($message =~ m/^NOQUEUE:\sreject:.*550 5.7.1 Service unavailable/) { |
2e0e3415 | 1293 | $rbl_count++; |
16ad0786 | 1294 | } elsif ($message =~ m/^PREGREET\s\d+\safter\s/) { |
2e0e3415 DM |
1295 | $pregreet_count++; |
1296 | } | |
17a7c6c9 DM |
1297 | }; |
1298 | ||
1299 | # limit to last 5000 lines to avoid long delays | |
16ad0786 SI |
1300 | my $cmd = ['journalctl', '-o', 'json', '--output-fields', '__CURSOR,MESSAGE', |
1301 | '--no-pager', '--identifier', $identifier, '-n', 5000]; | |
17a7c6c9 DM |
1302 | |
1303 | if (defined($rbl_scan_last_cursor)) { | |
1304 | push @$cmd, "--after-cursor=${rbl_scan_last_cursor}"; | |
1305 | } else { | |
1306 | push @$cmd, "--since=@" . $rbl_scan_start_time; | |
1307 | } | |
1308 | ||
1309 | PVE::Tools::run_command($cmd, outfunc => $parser); | |
1310 | ||
2e0e3415 | 1311 | return ($rbl_count, $pregreet_count); |
17a7c6c9 DM |
1312 | } |
1313 | ||
5d5af7c5 DM |
1314 | my $hwaddress; |
1315 | ||
1316 | sub get_hwaddress { | |
1317 | ||
1318 | return $hwaddress if defined ($hwaddress); | |
1319 | ||
1320 | my $fn = '/etc/ssh/ssh_host_rsa_key.pub'; | |
1321 | my $sshkey = PVE::Tools::file_get_contents($fn); | |
1322 | $hwaddress = uc(Digest::MD5::md5_hex($sshkey)); | |
1323 | ||
1324 | return $hwaddress; | |
1325 | } | |
1326 | ||
75ce5866 DM |
1327 | my $default_locale = "en_US.UTF-8 UTF-8"; |
1328 | ||
1329 | sub cond_add_default_locale { | |
1330 | ||
1331 | my $filename = "/etc/locale.gen"; | |
1332 | ||
1333 | open(my $infh, "<", $filename) || return; | |
1334 | ||
1335 | while (defined(my $line = <$infh>)) { | |
1336 | if ($line =~ m/^\Q${default_locale}\E/) { | |
1337 | # already configured | |
1338 | return; | |
1339 | } | |
1340 | } | |
1341 | ||
1342 | seek($infh, 0, 0) // return; # seek failed | |
1343 | ||
1344 | open(my $outfh, ">", "$filename.tmp") || return; | |
1345 | ||
1346 | my $done; | |
1347 | while (defined(my $line = <$infh>)) { | |
1348 | if ($line =~ m/^#\s*\Q${default_locale}\E.*/) { | |
1349 | print $outfh "${default_locale}\n" if !$done; | |
1350 | $done = 1; | |
1351 | } else { | |
1352 | print $outfh $line; | |
1353 | } | |
1354 | } | |
1355 | ||
1356 | print STDERR "generation pmg default locale\n"; | |
1357 | ||
1358 | rename("$filename.tmp", $filename) || return; # rename failed | |
1359 | ||
1360 | system("dpkg-reconfigure locales -f noninteractive"); | |
1361 | } | |
1362 | ||
6529020a SI |
1363 | sub postgres_admin_cmd { |
1364 | my ($cmd, $options, @params) = @_; | |
1365 | ||
1366 | $cmd = ref($cmd) ? $cmd : [ $cmd ]; | |
1367 | ||
1368 | my $save_uid = POSIX::getuid(); | |
1369 | my $pg_uid = getpwnam('postgres') || die "getpwnam postgres failed\n"; | |
1370 | ||
1371 | PVE::Tools::setresuid(-1, $pg_uid, -1) || | |
1372 | die "setresuid postgres ($pg_uid) failed - $!\n"; | |
1373 | ||
1374 | PVE::Tools::run_command([@$cmd, '-U', 'postgres', @params], %$options); | |
1375 | ||
1376 | PVE::Tools::setresuid(-1, $save_uid, -1) || | |
1377 | die "setresuid back failed - $!\n"; | |
1378 | } | |
1379 | ||
8ba63317 SI |
1380 | sub get_pg_server_version { |
1381 | my $major_ver; | |
1382 | my $parser = sub { | |
1383 | my $line = shift; | |
1384 | # example output: | |
1385 | # 9.6.13 | |
1386 | # 11.4 (Debian 11.4-1) | |
1387 | # see https://www.postgresql.org/support/versioning/ | |
1388 | my ($first_comp) = ($line =~ m/^\s*([0-9]+)/); | |
1389 | if ($first_comp < 10) { | |
1390 | ($major_ver) = ($line =~ m/^([0-9]+\.[0-9]+)\.[0-9]+/); | |
1391 | } else { | |
1392 | $major_ver = $first_comp; | |
1393 | } | |
1394 | ||
1395 | }; | |
1396 | eval { | |
1397 | postgres_admin_cmd('psql', { outfunc => $parser }, '--quiet', | |
1398 | '--tuples-only', '--no-align', '--command', 'show server_version;'); | |
1399 | }; | |
1400 | ||
1401 | die "Unable to determine currently running Postgresql server version\n" | |
1402 | if ($@ || !defined($major_ver)); | |
1403 | ||
1404 | return $major_ver; | |
1405 | } | |
1406 | ||
592f4b80 SI |
1407 | sub reload_smtp_filter { |
1408 | ||
1409 | my $pid_file = '/run/pmg-smtp-filter.pid'; | |
1410 | my $pid = PVE::Tools::file_read_firstline($pid_file); | |
1411 | ||
1412 | return 0 if !$pid; | |
1413 | ||
1414 | return 0 if $pid !~ m/^(\d+)$/; | |
1415 | $pid = $1; # untaint | |
1416 | ||
1417 | return kill (10, $pid); # send SIGUSR1 | |
1418 | } | |
1419 | ||
567516ae DC |
1420 | sub domain_regex { |
1421 | my ($domains) = @_; | |
1422 | ||
1423 | my @ra; | |
1424 | foreach my $d (@$domains) { | |
1425 | # skip domains with non-DNS name characters | |
1426 | next if $d =~ m/[^A-Za-z0-9\-\.]/; | |
1427 | if ($d =~ m/^\.(.*)$/) { | |
1428 | my $dom = $1; | |
1429 | $dom =~ s/\./\\\./g; | |
1430 | push @ra, $dom; | |
1431 | push @ra, "\.\*\\.$dom"; | |
1432 | } else { | |
1433 | $d =~ s/\./\\\./g; | |
1434 | push @ra, $d; | |
1435 | } | |
1436 | } | |
1437 | ||
1438 | my $re = join ('|', @ra); | |
1439 | ||
1440 | my $regex = qr/\@($re)$/i; | |
1441 | ||
1442 | return $regex; | |
1443 | } | |
1444 | ||
d362c98d SI |
1445 | sub read_sa_channel { |
1446 | my ($filename) = @_; | |
1447 | ||
1448 | my $content = PVE::Tools::file_get_contents($filename); | |
1449 | my $channel = { | |
1450 | filename => $filename, | |
1451 | }; | |
1452 | ||
1453 | ($channel->{keyid}) = ($content =~ /^KEYID=([a-fA-F0-9]+)$/m); | |
1454 | die "no KEYID in $filename!\n" if !defined($channel->{keyid}); | |
1455 | ($channel->{channelurl}) = ($content =~ /^CHANNELURL=(.+)$/m); | |
1456 | die "no CHANNELURL in $filename!\n" if !defined($channel->{channelurl}); | |
1457 | ($channel->{gpgkey}) = ($content =~ /(?:^|\n)(-----BEGIN PGP PUBLIC KEY BLOCK-----.+-----END PGP PUBLIC KEY BLOCK-----)(?:\n|$)/s); | |
1458 | die "no GPG public key in $filename!\n" if !defined($channel->{gpgkey}); | |
1459 | ||
1460 | return $channel; | |
1461 | }; | |
1462 | ||
1463 | sub local_spamassassin_channels { | |
1464 | ||
1465 | my $res = []; | |
1466 | ||
1467 | my $local_channel_dir = '/etc/mail/spamassassin/channel.d/'; | |
1468 | ||
1469 | PVE::Tools::dir_glob_foreach($local_channel_dir, '.*\.conf', sub { | |
1470 | my ($filename) = @_; | |
1471 | my $channel = read_sa_channel($local_channel_dir.$filename); | |
1472 | push(@$res, $channel); | |
1473 | }); | |
1474 | ||
1475 | return $res; | |
1476 | } | |
567516ae | 1477 | |
758c7b6b | 1478 | 1; |