8 use Time
::HiRes qw
(usleep gettimeofday tv_interval
);
9 use POSIX
qw(:sys_wait_h errno_h signal_h);
13 use Net
::Server
::PreFork
;
14 use Net
::Server
::SIG
qw(register_sig check_sigs);
25 use Mail
::SpamAssassin
;
26 use Mail
::SpamAssassin
::NetSet
;
31 use PMG
::ClusterConfig
;
48 use base
qw(Net::Server::PreFork);
50 my $opt_commandline = [$0, @ARGV];
51 my $opt_max_dequeue = 1;
52 my $opt_dequeue_time = 30;
54 my $opt_ext_port = 10024;
55 my $opt_int_port = 10023;
56 my $opt_inject_port = 10025;
63 my $prog_name = 'pmg-smtp-filter';
65 initlog
($prog_name, 'mail');
67 if (!GetOptions
('testmode=s' => \
$opt_testmode,
68 'pidfile=s' => \
$opt_pidfile,
69 'untrusted' => \
$opt_untrusted,
70 'database=s' => \
$opt_database)) {
75 $opt_pidfile = "/var/run/${prog_name}.pid" if !$opt_pidfile;
79 my $min_spare_servers = 0;
80 my $max_spare_servers = 0;
85 my $pmg_cfg = PMG
::Config-
>new();
87 my $demo = $pmg_cfg->get('admin', 'demo');
90 syslog
('info', 'demo mode detected - not starting server');
94 $max_servers = $pmg_cfg->get('mail', 'max_filters') + 2;
96 $min_spare_servers = 1;
97 $max_spare_servers = 4;
101 $opt_max_dequeue = 0 if $opt_testmode;
104 if (defined ($ENV{BOUND_SOCKETS
})) {
109 port
=> [ $opt_int_port, $opt_ext_port ],
111 min_servers
=> $min_servers,
112 max_servers
=> $max_servers,
113 min_spare_servers
=> $min_spare_servers,
114 max_spare_servers
=> $max_spare_servers,
115 max_requests
=> $max_requests,
116 serialize
=> 'flock',
117 max_dequeue
=> $opt_max_dequeue,
118 check_for_dequeue
=> $opt_dequeue_time,
120 pid_file
=> $opt_pidfile,
121 no_close_by_child
=> 1,
122 no_client_stdout
=> 1,
123 commandline
=> $opt_commandline,
126 $server_attr->{setsid
} = $daemonize if !$opt_testmode;
130 if (defined($opt_database)) {
131 $database = $opt_database;
133 $database = $opt_testmode ?
"Proxmox_testdb" : "Proxmox_ruledb";
136 $SIG{'__WARN__'} = sub {
140 syslog
('warning', "WARNING: %s", $t);
145 my ($self, $queue, $entity, $msginfo, $rule, $targets, $spaminfo) = @_;
148 sa_score
=> $queue->{sa_score
},
149 sa_hits
=> $queue->{sa_hits
},
150 sa_data
=> $queue->{sa_data
},
151 sa_max
=> $queue->{sa_max
}
155 'SUBJECT' => $entity->head->get ('subject', 0) || 'No Subject',
156 'RULE' => $rule->{name
},
157 'RULE_INFO' => $msginfo->{rule_info
},
158 'SENDER' => $msginfo->{sender
},
159 'SENDER_IP' => $msginfo->{xforward
}->{addr
},
160 'TARGETS' => join (', ', @$targets),
161 'RECEIVERS' => join (', ', @{$msginfo->{targets
}}),
162 'SPAMLEVEL' => $spaminfo->{sa_score
},
163 'SPAMSTARS' => '*' x
(($spaminfo->{sa_score
} || 0) > 100 ?
100 : $spaminfo->{sa_score
} || 0),
164 'ADMIN' => $self->{pmg_cfg
}->get('admin', 'email'),
165 'HOST' => $msginfo->{hostname
},
166 'DOMAIN' => $msginfo->{domain
},
167 'FQDN' => $msginfo->{fqdn
},
168 'MSGID' => $queue->{msgid
},
169 'VERSION' => PMG
::pmgcfg
::package() . "/" . PMG
::pmgcfg
::version
() . "/" . PMG
::pmgcfg
::repoid
(),
172 $vars->{__spaminfo
} = $spaminfo;
175 if ($queue->{vinfo_clam
}) {
176 $vars->{'VIRUS_INFO'} = "Virus Info:";
177 $vars->{'VIRUS_INFO'} .= " clam: $queue->{vinfo_clam}" if $queue->{vinfo_clam
};
179 $vars->{'VIRUS_INFO'} = '';
182 if ($queue->{vinfo
}) {
183 $vars->{'VIRUS_INFO'} = "Virus Info: $queue->{vinfo}\n";
185 $vars->{'VIRUS_INFO'} = '';
189 $vars->{'SPAM_HITS'} = $spaminfo->{sa_hits
};
191 $vars->{'SPAM_INFO'} = '';
192 my $sscores = $spaminfo->{sa_data
};
194 if (defined ($sscores) && @$sscores != -1) {
197 $sa_text = "Spam detection results: 100\n";
199 $sa_text = "Spam detection results: $spaminfo->{sa_score}\n";
202 foreach my $s (@$sscores) {
204 $sa_text .= sprintf ("%-22s %6s %s\n", $s->{rule
},
205 1, $s->{desc
} || '-');
207 $sa_text .= sprintf ("%-22s %6s %s\n", $s->{rule
},
208 $s->{score
}, $s->{desc
} || '-');
211 $vars->{'SPAM_INFO'} = $sa_text;
215 delete ($vars->{'ADMIN'});
216 #delete ($vars->{'SPAM_INFO'});
223 my ($self, $queue, $msginfo, $entity, $ldap) = @_;
229 my $matching_rules = [];
231 my $rulecache = $self->{rulecache
};
232 my $rules = $rulecache->rules ();
233 my $dbh = $self->{ruledb
}->{dbh
};
235 # first, we remove all conditional written 'X-' header attributes
236 foreach my $rule (@$rules) {
237 next if !$rule->{active
};
238 next if ($rule->{direction
} == 0) && $msginfo->{trusted
};
239 next if ($rule->{direction
} == 1) && !$msginfo->{trusted
};
241 my $actions = $rulecache->get_actions ($rule->{id
});
243 foreach my $action (@$actions) {
244 if ($action->isa ("PMG::RuleDB::ModField")) {
245 my $fname = $action->{field
};
246 next if $fname !~ m/^X-/i;
247 $entity->head->delete($fname);
253 foreach my $rule (@$rules) {
254 next if !$rule->{active
};
255 next if ($rule->{direction
} == 0) && $msginfo->{trusted
};
256 next if ($rule->{direction
} == 1) && !$msginfo->{trusted
};
258 # match from, when and what classes (not target dependent)
259 if (!($rulecache->from_match ($rule->{id
}, $msginfo->{sender
}, $msginfo->{xforward
}->{addr
}, $ldap) &&
260 $rulecache->when_match ($rule->{id
}, time))) {
264 $rule_marks{$rule->{id
}} =
265 $rulecache->what_match ($rule->{id
}, $queue, $entity, $msginfo, $dbh);
267 $rule_actions{$rule->{id
}} = $rulecache->get_actions ($rule->{id
});
268 my $fin = $rulecache->final ($rule->{id
});
271 foreach my $target (@{$msginfo->{targets
}}) {
272 next if $final->{$target};
273 next if !defined ($rule_marks{$rule->{id
}});
274 next if !defined ($rule_marks{$rule->{id
}}->{$target});
275 next if !defined ($rule_marks{$rule->{id
}}->{$target}->{marks
});
276 next if !$rulecache->to_match ($rule->{id
}, $target, $ldap);
278 $final->{$target} = $fin;
280 push @{$rule_targets{$rule->{id
}}}, $target;
284 # Compute rule_info (summary about matching rule)
285 # this can be used for debugging
287 foreach my $rule (@$rules) {
288 next if !$rule_targets{$rule->{id
}};
290 push @$matching_rules, $rule->{id
};
292 $rule_info .= "Rule: $rule->{name}\n";
294 foreach my $target (@{$rule_targets{$rule->{id
}}}) {
295 $rule_info .= " Receiver: $target\n";
297 foreach my $action (@{$rule_actions{$rule->{id
}}}) {
298 $rule_info .= " Action: " . $action->short_desc () . "\n";
302 $msginfo->{rule_info
} = $rule_info;
304 if ($msginfo->{testmode
}) {
305 my $vars = $self->get_prox_vars($queue, $entity, $msginfo, undef, [], undef);
306 my $fh = $msginfo->{test_fh
};
307 print $fh $rule_info;
312 my $mod_group = PMG
::ModGroup-
>new($entity, $msginfo->{targets
});
314 foreach my $rule (@$rules) {
315 my $targets = $rule_targets{$rule->{id
}};
319 foreach my $t (@$targets) {
320 if ($rule_marks{$rule->{id
}}->{$t} && $rule_marks{$rule->{id
}}->{$t}->{spaminfo
}) {
321 $spaminfo = $rule_marks{$rule->{id
}}->{$t}->{spaminfo
};
322 # we assume spam info is the same for all matching targets
327 my $vars = $self->get_prox_vars ($queue, $entity, $msginfo, $rule,
328 $rule_targets{$rule->{id
}}, $spaminfo);
332 sort {$a->priority <=> $b->priority} @{$rule_actions{$rule->{id
}}};
334 foreach my $action (@sorted_actions) {
335 $action->execute ($queue, $self->{ruledb
}, $mod_group,
336 $rule_targets{$rule->{id
}},
337 $msginfo, $vars, $rule_marks{$rule->{id
}}->{marks
}, $ldap);
338 last if $action->final;
342 # we deliver all mail not matched by any rule
343 # (default action = accept)
345 foreach my $target (@{$msginfo->{targets
}}) {
346 next if $final->{$target};
348 push @$unmatched, $target;
352 my $accept = PMG
::RuleDB
::Accept-
>new ();
353 $accept->execute ($queue, $self->{ruledb
}, $mod_group, $unmatched,
354 $msginfo, undef, undef, undef);
357 return $matching_rules;
360 # reload ruledb and pmg config
363 my $prop = $self->{server
};
365 if ($self->{ruledb
}) {
366 $self->log (0, "reloading configuration $database");
367 $self->{ruledb
}->close ();
370 $self->{pmg_cfg
} = PMG
::Config-
>new();
371 $self->{cinfo
} = PVE
::INotify
::read_file
("cluster.conf");
373 # create spool directories
374 PMG
::MailQueue
::create_spooldirs
($self->{cinfo
}->{local}->{cid
});
377 my $dbh = PMG
::DBTools
::open_ruledb
($database);
378 $self->{ruledb
} = PMG
::RuleDB-
>new ($dbh);
381 $self->{rulecache
} = PMG
::RuleCache-
>new ($self->{ruledb
});
387 sleep (10); # reduce restart rate when postgres is down
392 my $ldapconf = PVE
::INotify
::read_file
('pmg-ldap.conf');
393 $self->{ldap
} = PMG
::LDAPSet-
>new_from_ldap_cfg($ldapconf, 1);
395 $self->{reload_config
} = 0;
407 my ($self, $level, $msg, @therest) = @_;
408 my $prop = $self->{server
};
410 return if $level =~ /^\d+$/ && $level > $prop->{log_level
};
412 $level = $syslog_map->{$level} || $level;
414 syslog
($level, $msg, @therest);
416 syslog
($level, $msg);
422 my $prop = $self->{server
};
424 $prop->{log_level
} = 3;
426 $self->log (0, "Filter daemon (re)started (max. $max_servers processes)");
428 eval { PMG
::MailQueue
::cleanup_active
(); };
429 $self->log (0, "Cleanup failures: $@") if $@;
431 my $sig_set = POSIX
::SigSet-
>new;
432 $sig_set->addset (&POSIX
::SIGHUP
);
433 $sig_set->addset (&POSIX
::SIGCHLD
);
434 my $old_sig_set = POSIX
::SigSet-
>new();
436 sigprocmask
(SIG_UNBLOCK
, $sig_set, $old_sig_set);
438 my ($backup_umask) = umask;
440 my $pmg_cfg = PMG
::Config-
>new();
442 # Note: you need to restart the daemon when you change 'rbl_checks'
443 my $rbl_checks = $pmg_cfg->get('spam', 'rbl_checks');
445 $self->{sa
} = Mail
::SpamAssassin-
>new ({
447 local_tests_only
=> $opt_testmode || !$rbl_checks,
448 home_dir_for_helpers
=> '/root',
449 userstate_dir
=> '/root/.spamassassin',
450 dont_copy_prefs
=> 1,
451 stop_at_threshold
=> 0,
454 $self->{sa
}->compile_now;
456 alarm (0); # SA forgets to clear alarm in some cases
457 umask ($backup_umask);
458 initlog
($prog_name, 'mail');
461 # reloading server configuration
462 if (defined $prop->{children
}) {
463 foreach my $pid (keys %{$prop->{children
}}) {
464 kill (10, $pid); # SIGUSR1 childs
470 sub child_init_hook
{
473 $0 = "$prog_name child";
475 # $self->log (3, "init child");
478 $self->load_config ();
483 $self->child_finish_hook;
488 $self->{reload_config
} = 1;
492 sub child_finish_hook
{
495 # $self->log (3, "finish child");
496 $self->{ruledb
}->close () if $self->{ruledb
};
499 my $last_dequeue_time = 0;
506 # do database maintainance here
508 # this is called every 30 secends
510 PMG
::Utils
::update_node_status_rrd
();
513 $self->log(0, "ERROR: $err");
518 my $tdiff = $ctime - $last_dequeue_time;
520 # return if tdiff less than 2 minutes
521 return if $tdiff < 2*60;
523 $last_dequeue_time = $ctime;
525 $self->log (2, "starting database maintainance");
527 my ($csec, $usec) = gettimeofday
();
529 my $cinfo = PVE
::INotify
::read_file
("cluster.conf");
534 $dbh = PMG
::DBTools
::open_ruledb
($database);
537 $self->log (0, "ERROR: $err");
542 PMG
::Statistic
::update_stats
($dbh, $cinfo);
546 my ($csec_end, $usec_end) = gettimeofday
();
547 my $ptime = int (($csec_end-$csec)*1000 + ($usec_end - $usec)/1000);
550 $self->log (0, $err);
552 $self->log (2, "end database maintainance ($ptime ms)");
555 $dbh->disconnect() if $dbh;
560 my ($self, $unpack, $entity, $msginfo, $queue) = @_;
565 if (($magic = $entity->{PMX_magic_ct
}) &&
566 ($path = $entity->{PMX_decoded_path
})) {
568 my $filename = basename
($path);
570 if (PMG
::Unpack
::is_archive
($magic)) {
571 $self->log (3, "$queue->{logid}: found archive '$filename' ($magic)");
573 my $start = [gettimeofday
];
575 $unpack->{mime
} = {};
578 $unpack->unpack_archive ($path, $magic);
581 $self->log (3, "$queue->{logid}: unpack failed - $@") if $@;
583 $entity->{PMX_content_types
} = $unpack->{mime
};
586 my $types = join (", ", sort keys (%{$entity->{PMX_content_types
}}));
587 my $fh = $msginfo->{test_fh
};
588 $filename =~ s/\d+/X/g if $filename =~ m/^msg-\d+-\d+.msg/;
589 print $fh "Types:$filename: $types\n" if $types;
592 my $elapsed = int(tv_interval
($start) * 1000);
594 $self->log (3, "$queue->{logid}: unpack archive '$filename' done ($elapsed ms)");
598 foreach my $part ($entity->parts) {
599 $self->unpack_entity ($unpack, $part, $msginfo, $queue);
605 my ($self, $smtp) = @_;
607 my ($csec, $usec) = gettimeofday
();
611 my $pmg_cfg = $self->{pmg_cfg
};
612 my $ldap = $self->{ldap
};
613 my $cinfo = $self->{cinfo
};
614 my $lcid = $cinfo->{local}->{cid
};
616 $msginfo->{test_fh
} = PMG
::AtomicFile-
>new("testresult.out", "w")
619 $msginfo->{trusted
} = $self->{trusted
};
622 # PHASE 1 - save incoming mail (already done)
625 $queue = $smtp->{queue
};
626 $queue->{sa
} = $self->{sa
};
628 $queue->{lic_valid
} = 1;
633 $msginfo->{testmode
} = $opt_testmode;
634 $msginfo->{sender
} = $smtp->{from
};
635 $msginfo->{xforward
} = $smtp->{xforward
};
636 $msginfo->{targets
} = $smtp->{to
};
638 $msginfo->{hostname
} = PVE
::INotify
::nodename
();
639 my $resolv = PVE
::INotify
::read_file
('resolvconf');
641 $msginfo->{domain
} = $resolv->{search
};
642 $msginfo->{fqdn
} = "$msginfo->{hostname}.$msginfo->{domain}";
643 $msginfo->{lcid
} = $lcid;
645 # $msginfo->{targets} is case sensitive,
646 # but pmail is always lower case!
648 foreach my $t (@{$msginfo->{targets
}}) {
650 if ($ldap && ($res = $ldap->account_info ($t))) {
651 $msginfo->{pmail
}->{$t} = $res->{pmail
};
653 $msginfo->{pmail
}->{$t} = lc ($t);
657 # PHASE 2 - parse mail
660 my $maxfiles = $pmg_cfg->get('clamav', 'archivemaxfiles');
662 my $entity = $queue->parse_mail($maxfiles);
664 $self->log (3, "$queue->{logid}: new mail message-id=%s", $queue->{msgid
});
666 # PHASE 3 - run external content analyzers
667 # (SPAM analyzer is run on demand later)
668 # on error: log error messages
671 # test for virus first
672 $queue->{vinfo
} = PMG
::Utils
::analyze_virus
(
673 $queue, $queue->{dataname
}, $pmg_cfg, $opt_testmode);
675 # always add this headers to incoming mails
676 # to enable user to report false negatives
677 if (!$msginfo->{trusted
}) {
678 if ($queue->{vinfo
}) {
679 $entity->head->replace('X-Proxmox-VInfo', $queue->{vinfo
});
683 # we unpack after virus scanning, because this is more secure.
684 # This way virus scanners gets the whole mail files and are able
685 # to detect phishing signature for example - which would not work
686 # if we decompose first and only analyze the decomposed attachments.
687 # Disadvantage is that we need to unpack more than
688 # once (bad performance).
690 # should we scan content types inside archives
692 my $rulecache = $self->{rulecache
};
694 my $scan_archives = 0;
696 if (($rulecache->{archivefilter_in
} && !$msginfo->{trusted
}) ||
697 ($rulecache->{archivefilter_out
} && $msginfo->{trusted
})) {
701 if ($scan_archives && !$queue->{vinfo
}) {
703 # unpack all archives - determine contained content types
705 my $decdir = $queue->{dumpdir
} . "/__decoded_archives";
708 my $start = [gettimeofday
];
713 # limits: We use clamav limit for maxfiles, and scan
714 # only 4 levels, timeout of 30 seconds
716 $unpack = PMG
::Unpack-
>new (
719 ctonly
=> 1, # only detect CTs
721 maxfiles
=> $maxfiles);
723 $self->unpack_entity ($unpack, $entity, $msginfo, $queue);
728 $unpack->cleanup() if $unpack;
730 my $elapsed = int(tv_interval
($start) * 1000);
733 $self->log (3, "$queue->{logid}: unpack archive failed ($elapsed ms) - $err");
737 # PHASE 4 - apply rules
738 # on error: exit (cleanup process should do the rest)
739 $msginfo->{maxspamsize
} = $pmg_cfg->get('spam', 'maxspamsize');
740 if ($msginfo->{maxspamsize
} <= 1024*64) {
741 $msginfo->{maxspamsize
} = 1024*64;
744 if ($msginfo->{trusted
}) {
745 my $hide = $pmg_cfg->get('mail', 'hide_received');
746 $entity->head->delete("Received") if $hide;
749 $matching_rules = $self->apply_rules($queue, $msginfo, $entity, $ldap);
754 $self->{errors
} = $queue->{errors
};
757 $self->{errors
} = 1 if $err;
763 my ($csec_end, $usec_end) = gettimeofday
();
765 int (($csec_end-$csec)*1000 + ($usec_end - $usec)/1000);
767 # PHASE 5 - log statistics
768 # on error: log error messages
771 my $dbh = $self->{ruledb
}->{dbh
};
774 foreach my $rid (@$matching_rules) {
775 $where .= $where ?
" OR ID = $rid" : "ID = $rid";
778 $dbh->do ("UPDATE Rule SET Count = Count + 1 WHERE $where") if $where;
780 my $insert_cmds = "SELECT nextval ('cstatistic_id_seq');INSERT INTO CStatistic " .
781 "(CID, RID, ID, Time, Bytes, Direction, Spamlevel, VirusInfo, PTime, Sender) VALUES (" .
782 "$lcid, currval('cstatistic_id_seq'), currval('cstatistic_id_seq'),";
784 $insert_cmds .= $queue->{rtime
} . ',';
785 $insert_cmds .= $queue->{bytes
} . ',';
786 $insert_cmds .= $dbh->quote($msginfo->{trusted
} ?
0 : 1) . ',';
787 $insert_cmds .= ($queue->{sa_score
} || 0) . ',';
788 $insert_cmds .= $dbh->quote($queue->{vinfo
}) . ',';
789 $insert_cmds .= $time_total . ',';
790 $insert_cmds .= $dbh->quote($msginfo->{sender
}) . ');';
792 foreach my $r (@{$msginfo->{targets
}}) {
793 my $tmp = $dbh->quote($r);
794 my $blocked = $queue->{status
}->{$r} eq 'blocked' ?
1 : 0;
795 $insert_cmds .= "INSERT INTO CReceivers (CStatistic_CID, CStatistic_RID, Receiver, Blocked) " .
796 "VALUES ($lcid, currval ('cstatistic_id_seq'), $tmp, '$blocked'); ";
799 $dbh->do($insert_cmds);
801 # save $err (because log clears $@)
804 $time_total = $time_total/1000;
806 my $ptspam = ($queue->{ptime_spam
} || 0)/1000;
807 my $ptclam = ($queue->{ptime_clam
} || 0)/1000;
809 $self->log(3, "$queue->{logid}: processing time: ${time_total} seconds ($ptspam, $ptclam)");
811 $msginfo->{test_fh
}->close if $opt_testmode;
816 my $initial_memory_usage;
818 sub process_request
{
820 my $prop = $self->{server
};
821 my $sock = $prop->{client
};
825 # make sure the ldap cache is up to date
826 $self->{ldap
}->update (1);
828 $self->load_config() if $self->{reload_config
};
830 $self->{trusted
} = 0;
831 if ($prop->{sockport
} == $opt_int_port && !$opt_untrusted) {
832 $self->{trusted
} = 1;
835 my $smtp = PMG
::SMTP-
>new ($sock);
837 my $maxcount = $max_requests - $prop->{requests
};
839 my $count = $smtp->loop (\
&handle_smtp
, $self, $maxcount);
841 $prop->{requests
} += $count - 1;
847 $self->log (0, $err) if $err;
849 kill(15, $prop->{ppid
}) if $opt_testmode;
851 my $mem = PVE
::ProcFSTools
::read_memory_usage
();
852 if (!defined($initial_memory_usage) || ($prop->{requests
} < 10)) {
853 $initial_memory_usage = $mem->{resident
};
857 $self->log (0, "memory usage: $mem->{size} bytes");
859 if ($self->{errors
}) {
860 $self->log (0, "fast exit because of errors (free $mem->{size} bytes)");
863 my $diff = $mem->{resident
} - $initial_memory_usage;
864 if ($diff > 5*1024*1024) {
865 $self->log (0, "fast exit to reduce server load (free $diff bytes)");
871 $self->done (1) if $err;
874 # test sig_hup with: for ((;;)) ;do kill -HUP `cat /var/run/${prog_name}.pid`; done;
875 # wrapper to avoid multiple calls to sig_hup
878 my $prop = $self->{server
};
880 return if defined ($prop->{_HUP
}); # do not call twice
882 $self->SUPER::sig_hup
();
885 sub restart_close_hook
{
888 my $sig_set = POSIX
::SigSet-
>new;
889 $sig_set->addset (&POSIX
::SIGHUP
);
890 $sig_set->addset (&POSIX
::SIGCHLD
); # to avoid zombies
891 my $old_sig_set = POSIX
::SigSet-
>new();
893 sigprocmask
(SIG_BLOCK
, $sig_set, $old_sig_set);
896 sub pre_server_close_hook
{
898 my $prop = $self->{server
};
900 if (defined $prop->{_HUP
}) {
901 undef $prop->{pid_file_unlink
};
904 if (defined $prop->{children
}) {
905 foreach my $pid (keys %{$prop->{children
}}) {
906 kill (1, $pid); # HUP childs
910 # nicely shutdown childs (give them max 30 seconds to shut down)
911 my $previous_alarm = alarm(30);
913 local $SIG{ALRM
} = sub { die "Timed Out!\n" };
916 1 while ((($pid = waitpid (-1, 0)) > 0) || ($! == EINTR
));
918 alarm(0); # avoid race
920 alarm ($previous_alarm);
923 # initialize mime system before fork
924 xdg_mime_get_mime_type_for_file
($0);
927 server
=> $server_attr,
930 if (!$opt_testmode) {
937 my $sender ='sender@proxtest.com';
938 my $targets = ['target1@proxtest.com',
939 'target2@proxtest.com',
940 'target3@proxtest.com'];
944 $smtp = Net
::SMTP-
>new ('127.0.0.1', Port
=> 10023);
949 # syslog ('info', "connected to " . $smtp->domain);
951 $smtp->mail ($sender);
952 $smtp->to (@$targets);
956 open (TMP
, $opt_testmode) ||
957 die "unable to upen file '$opt_testmode' - $! :ERROR";
959 $smtp->datasend ($_);
963 $smtp->datasend ("\n");
976 pmg-smtp-filter - the Proxmox mail filter
980 pmg-smtp-filter [-u] [-t testfile]
984 Documentation is available at www.proxmox.com