6 use POSIX
qw(errno_h signal_h);
8 use Net
::Server
::PreForkSimple
;
9 use Net
::DNS
::Resolver
;
14 use Time
::HiRes
qw(gettimeofday);
26 use PMG
::ClusterConfig
;
28 use base
qw(Net::Server::PreForkSimple);
30 my $greylist_delay = 3*60; # greylist window
31 my $greylist_lifetime = 3600*24*2; # retry window
32 my $greylist_awlifetime = 3600*24*36; # expire window
34 my $opt_commandline = [$0, @ARGV];
35 my $opt_policy_port = 10022;
36 my $opt_max_dequeue = 1;
37 my $opt_dequeue_time = 60*2;
43 if (!GetOptions
('pidfile=s' => \
$opt_pidfile,
44 'testmode' => \
$opt_testmode,
45 'database=s' => \
$opt_database)) {
50 $opt_pidfile = "/var/run/pmgpolicy.pid" if !$opt_pidfile;
51 $opt_max_dequeue = 0 if $opt_testmode;
53 initlog
('pmgpolicy', 'mail');
59 my $pmg_cfg = PMG
::Config-
>new ();
60 my $demo = $pmg_cfg->get('admin', 'demo');
61 $max_servers = $pmg_cfg->get('mail', 'max_policy');
64 syslog
('info', 'demo mode detected - not starting server');
70 if (defined ($ENV{BOUND_SOCKETS
})) {
76 port
=> [ $opt_policy_port ],
78 max_servers
=> $max_servers,
79 max_dequeue
=> $opt_max_dequeue,
80 check_for_dequeue
=> $opt_dequeue_time,
82 pid_file
=> $opt_pidfile,
83 commandline
=> $opt_commandline,
84 no_close_by_child
=> 1,
89 if (defined($opt_database)) {
90 $database = $opt_database;
92 $database = "Proxmox_ruledb";
95 $SIG{'__WARN__'} = sub {
99 syslog
('warning', "WARNING: %s", $t);
103 sub update_rbl_stats
{
104 my ($dbh, $lcid) = @_;
106 my ($rbl_count, $pregreet_count) = PMG
::Utils
::scan_journal_for_rbl_rejects
();
107 return if !$rbl_count && !$pregreet_count;
109 my $timezone = tz_local_offset
();;
110 my $hour = int((time() + $timezone)/3600) * 3600;
112 my $sth = $dbh->prepare(
113 'INSERT INTO LocalStat (Time, RBLCount, PregreetCount, CID, MTime) ' .
114 'VALUES (?, ?, ?, ?, EXTRACT(EPOCH FROM now())) ' .
115 'ON CONFLICT (Time, CID) DO UPDATE SET ' .
116 'RBLCount = LocalStat.RBLCount + excluded.RBLCount, ' .
117 'PregreetCount = LocalStat.PregreetCount + excluded.PregreetCount, ' .
118 'MTime = excluded.MTime');
120 $sth->execute($hour, $rbl_count, $pregreet_count, $lcid);
127 $self->log(2, "starting policy database maintainance (greylist, rbl)");
129 my $cinfo = PMG
::ClusterConfig-
>new();
130 my $lcid = $cinfo->{local}->{cid
};
131 my $role = $cinfo->{local}->{type
} // '-';
136 $dbh = PMG
::DBTools
::open_ruledb
($database);
141 $self->log(0, "ERROR: $err");
145 my ($csec, $usec) = gettimeofday
();
147 eval { update_rbl_stats
($dbh, $lcid); };
150 my ($csec_end, $usec_end) = gettimeofday
();
151 my $rbltime = int (($csec_end-$csec)*1000 + ($usec_end - $usec)/1000);
152 ($csec, $usec) = ($csec_end, $usec_end);
155 $self->log(0, "rbl update error: $err");
167 # we do not lock the table here to avoid delays
168 # but that is OK, because we only touch expired records
169 # which do not change nornmally
170 ## $dbh->do ("LOCK TABLE CGreylist IN ROW EXCLUSIVE MODE");
172 # move expired and undelivered records from Greylist to Statistic
176 $rntxt = "AND CID = 0";
178 if ($role eq 'master') {
179 # master is responsible for all non-cluster (deleted) nodes
180 foreach my $rcid (@{$cinfo->{remnodes
}}) {
181 $rntxt .= $rntxt ?
" AND CID != $rcid" : "AND (CID != $rcid";
183 $rntxt .= ")" if $rntxt;
185 $rntxt = "AND (CID = 0 OR CID = $lcid)";
192 my $sth = $dbh->prepare(
193 "SELECT distinct instance, sender FROM CGreylist " .
194 "WHERE passed = 0 AND extime < ? $rntxt");
196 $sth->execute ($now);
199 while (my $ref = $sth->fetchrow_hashref()) {
200 my $sth2 = $dbh->prepare(
201 "SELECT * FROM CGreylist WHERE instance = ? AND sender = ?");
202 $sth2->execute ($ref->{instance
}, $ref->{sender
});
207 while (my $ref2 = $sth2->fetchrow_hashref()) {
208 $rctime = $ref2->{rctime
} if !$rctime;
209 $bc += $ref2->{blocked
};
210 push @rcvrs, $ref2->{receiver
};
215 # hack: sometimes query sth2 does not return anything - maybe a
216 # postgres bug? We simply ignore (when rctime is undefined) it
220 $cmds .= "SELECT nextval ('cstatistic_id_seq');" .
221 "INSERT INTO CStatistic " .
222 "(CID, RID, ID, Time, Bytes, Direction, Spamlevel, VirusInfo, PTime, Sender) VALUES (" .
223 "$lcid, currval ('cstatistic_id_seq'), currval ('cstatistic_id_seq'), ";
225 my $sl = $bc >= 100000 ?
4 : 5;
226 $cmds .= $rctime . ", 0, '1', $sl, NULL, 0, ";
227 $cmds .= $dbh->quote ($ref->{sender
}) . ');';
229 foreach my $r (@rcvrs) {
230 my $tmp = $dbh->quote ($r);
231 $cmds .= "INSERT INTO CReceivers (CStatistic_CID, CStatistic_RID, Receiver, Blocked) ".
232 "VALUES ($lcid, currval ('cstatistic_id_seq'), $tmp, '1'); ";
236 if (length ($cmds) > 100000) {
243 # this produces too much log traffic
244 # my $targets = join (", ", @rcvrs);
245 #my $msg = "expire mail $ref->{instance} from $ref->{sender} to $targets";
246 #$self->log (0, $msg);
249 $dbh->do ($cmds) if $cmds;
254 my $msg = "found $ecount expired mails in greylisting database";
255 $self->log (0, $msg);
258 $dbh->do ("DELETE FROM CGreylist WHERE extime < $now");
264 ($csec_end, $usec_end) = gettimeofday
();
265 my $ptime = int (($csec_end-$csec)*1000 + ($usec_end - $usec)/1000);
268 $dbh->rollback if $dbh;
269 $self->log(0, "greylist database update error: $err");
272 $self->log(2, "end policy database maintainance ($rbltime ms, $ptime ms)");
274 $dbh->disconnect() if $dbh;
280 my $prop = $self->{server
};
282 $prop->{log_level
} = 3;
284 $self->log(0, "Policy daemon (re)started");
287 # reloading server configuration
288 if (defined $prop->{children
}) {
289 foreach my $pid (keys %{$prop->{children
}}) {
290 kill(10, $pid); # SIGUSR1 childs
295 my $sig_set = POSIX
::SigSet-
>new;
296 $sig_set->addset (&POSIX
::SIGHUP
);
297 $sig_set->addset (&POSIX
::SIGCHLD
);
298 my $old_sig_set = POSIX
::SigSet-
>new();
300 sigprocmask
(SIG_UNBLOCK
, $sig_set, $old_sig_set);
306 my $prop = $self->{server
};
308 if ($self->{ruledb
}) {
309 $self->log(0, "reloading configuration $database");
310 $self->{ruledb
}->close();
313 my $pmg_cfg = PMG
::Config-
>new ();
314 $self->{use_spf
} = $pmg_cfg->get('mail', 'spf');
315 $self->{use_greylist
} = $pmg_cfg->get('mail', 'greylist');
318 $self->{use_spf
} = 1;
319 $self->{use_greylist
} = 1;
322 my $nodename = PVE
::INotify
::nodename
();
323 $self->{fqdn
} = PVE
::Tools
::get_fqdn
($nodename);
325 my $cinfo = PMG
::ClusterConfig-
>new();
326 my $lcid = $cinfo->{local}->{cid
};
327 $self->{cinfo
} = $cinfo;
328 $self->{lcid
} = $lcid;
333 $dbh = PMG
::DBTools
::open_ruledb
($database);
334 $self->{ruledb
} = PMG
::RuleDB-
>new($dbh);
335 $self->{rulecache
} = PMG
::RuleCache-
>new($self->{ruledb
});
338 $self->log(0, "ERROR: unable to load database : $err");
341 $self->{reload_config
} = 0;
344 sub child_init_hook
{
347 my $prop = $self->{server
};
349 $0 = 'pmgpolicy child';
351 setup_fork_signal_mask
(0); # unblocking signals for children
354 $self->load_config();
356 $self->{mux
} = IO
::Multiplex-
>new();
357 $self->{mux
}->set_callback_object($self);
369 # $dnsargs{nameservers} = [ qw (213.129.232.1 213.129.226.2) ];
372 $self->{dns_resolver
} = Net
::DNS
::Resolver-
>new(%dnsargs);
374 $self->{spf_server
} = Mail
::SPF
::Server-
>new(
375 hostname
=> $self->{fqdn
}, dns_resolver
=> $self->{dns_resolver
});
379 $self->child_finish_hook;
384 $self->{reload_config
} = 1;
388 sub child_finish_hook
{
391 my $prop = $self->{server
};
393 $self->{ruledb
}->close() if $self->{ruledb
};
397 my ($self, $instance, $ip, $helo, $sender) = @_;
404 # we only use helo tests when we have no sender,
405 # helo is sometimes empty, so we cant use SPF helo tests
406 # in that case - strange
407 if ($helo && !$sender) {
410 if (defined ($self->{cache
}->{$instance}) &&
411 defined ($self->{cache
}->{$instance}->{spf_helo_result
})) {
413 $query = $self->{cache
}->{$instance}->{spf_helo_result
};
416 my $request = Mail
::SPF
::Request-
>new(
417 scope
=> 'helo', identity
=> $helo, ip_address
=> $ip);
419 $query = $self->{cache
}->{$instance}->{spf_helo_result
} =
420 $self->{spf_server
}->process ($request);
423 $result = $query->code;
424 $spf_header = $query->received_spf_header;
425 $local_expl = $query->local_explanation;
426 $auth_expl = $query->authority_explanation if $query->is_code('fail');
428 # return if we get a definitive result
429 if ($result eq 'pass' || $result eq 'fail' || $result eq 'temperror') {
430 return ($result, $spf_header, $local_expl, $auth_expl);
438 if (defined ($self->{cache
}->{$instance}) &&
439 defined ($self->{cache
}->{$instance}->{spf_mfrom_result
})) {
441 $query = $self->{cache
}->{$instance}->{spf_mfrom_result
};
445 my $request = Mail
::SPF
::Request-
>new(
446 scope
=> 'mfrom', identity
=> $sender,
447 ip_address
=> $ip, helo_identity
=> $helo);
449 $query = $self->{cache
}->{$instance}->{spf_mfrom_result
} =
450 $self->{spf_server
}->process($request);
453 $result = $query->code;
454 $spf_header = $query->received_spf_header;
455 $local_expl = $query->local_explanation;
456 $auth_expl = $query->authority_explanation if $query->is_code('fail');
458 return ($result, $spf_header, $local_expl, $auth_expl);
465 my ($self, $ip, $receiver) = @_;
467 my ($rdomain) = $receiver =~ /([^@]+)$/;
469 my $dkey = "BKMX:$rdomain";
471 if (defined ($self->{cache
}->{$dkey}) &&
472 ($self->{cache
}->{$dkey}->{status
} == 1)) {
473 return $self->{cache
}->{$dkey}->{$ip};
476 my $resolver = $self->{dns_resolver
};
478 if (my $mx = $resolver->send($rdomain, 'MX')) {
479 $self->{cache
}->{$dkey}->{status
} = 1;
480 my @mxa = grep { $_->type eq 'MX' } $mx->answer;
481 my @mxl = sort { $a->preference <=> $b->preference } @mxa;
482 # shift @mxl; # optionaly skip primary MX ?
483 foreach my $rr (@mxl) {
484 my $a = $resolver->send ($rr->exchange, 'A');
486 foreach my $rra ($a->answer) {
487 if ($rra->type eq 'A') {
488 $self->{cache
}->{$dkey}->{$rra->address} = 1;
494 $self->{cache
}->{$dkey}->{status
} = 0;
497 return $self->{cache
}->{$dkey}->{$ip};
501 my ($self, $ctime, $helo, $ip, $sender, $rcpt, $instance) = @_;
503 my $rulecache = $self->{rulecache
};
505 my $dbh = $self->{ruledb
}->{dbh
};
507 # try to reconnect if database connection is broken
509 $self->log(0, 'Database connection broken - trying to reconnect');
512 $dbh = PMG
::DBTools
::open_ruledb
($database);
516 $self->log(0, "unable to reconnect to database server: $err");
519 $self->{ruledb
} = PMG
::RuleDB-
>new($dbh);
522 # some sender substitutions
523 my ($user, $domain) = split('@', $sender, 2);
524 if (defined ($user) && defined ($domain)) {
525 # see http://cr.yp.to/proto/verp.txt
526 $user =~ s/\+.*//; # strip extensions (mailing-list VERP)
527 $user =~ s/\b\d+\b/#/g; #replace nubmers in VERP address
528 $sender = "$user\@$domain";
531 if ($self->is_backup_mx($ip, $rcpt)) {
532 $self->log(3, "accept mails from backup MX host - $ip");
536 # greylist exclusion (sender whitelist)
537 if ($rulecache->greylist_match ($sender, $ip)) {
538 $self->log(3, "accept mails from whitelist - $ip");
542 # greylist exclusion (receiver whitelist)
543 if ($rulecache->greylist_match_receiver ($rcpt)) {
544 $self->log(3, "accept mails to whitelist - <$rcpt>");
548 my ($net, $host) = $ip =~ m/(\d+\.\d+\.\d+)\.(\d+)/; # IPv4 for now
549 return 'dunno' if !defined($net);
553 if ((!$opt_testmode && $self->{use_spf
}) ||
554 ($opt_testmode && ($rcpt =~ m/^testspf/))) {
563 my ($result, $smtp_comment, $header_comment);
566 $previous_alarm = alarm(10);
567 local $SIG{ALRM
} = sub { die "SPF timeout\n" };
569 ($result, $spf_header, $local_expl, $auth_expl) =
570 $self->get_spf_result($instance, $ip, $helo, $sender);
572 alarm(0); # avoid race condition
576 alarm($previous_alarm) if defined($previous_alarm);
579 $err = $err->text if UNIVERSAL
::isa
($err, 'Mail::SPF::Exception');
580 $self->log (0, $err);
583 if ($result && $result eq 'pass') {
584 $self->log(3, "SPF says $result");
585 $spf_result = $spf_header ?
"prepend $spf_header" : 'dunno';
588 if ($result && $result eq 'fail') {
589 $self->log(3, "SPF says $result");
590 $spf_result = "reject ${auth_expl}";
596 # try to avoid locks everywhere - we use merge instead of insert
597 #$dbh->do ("LOCK TABLE CGreylist IN ROW EXCLUSIVE MODE");
599 # check if there is already a record in the GL database
600 my $sth = $dbh->prepare(
601 "SELECT * FROM CGreylist " .
602 "where IPNet = ? AND Sender = ? AND Receiver = ?");
604 $sth->execute($net, $sender, $rcpt);
605 my $ref = $sth->fetchrow_hashref();
608 # else add an entry to the GL Database with short
609 # expiration time. run_dequeue() moves those entries into the statistic
610 # table later. We set 'blocked' to 100000 to identify those entries.
612 if (!defined($ref->{rctime
})) {
614 $dbh->do($PMG::DBTools
::cgreylist_merge_sql
, undef,
615 $net, $host, $sender, $rcpt, $instance,
616 $ctime, $ctime + 10, 0, 100000, 0, $ctime, $self->{lcid
});
628 return $spf_result if $spf_result;
634 # add spf_header once - SA can re-use this information
635 if (!defined($self->{cache
}->{$instance}) ||
636 !$self->{cache
}->{$instance}->{spf_header_added
}) {
637 $res = "prepend $spf_header" if $spf_header;
638 $self->{cache
}->{$instance}->{spf_header_added
} = 1;
641 return $res if !$self->{use_greylist
};
643 my $defer_res = "defer_if_permit Service is unavailable (try later)";
647 # we dont use alarm here, because it does not work with DBI
651 # try to avoid locks everywhere - we use merge instead of insert
652 #$dbh->do ("LOCK TABLE CGreylist IN ROW EXCLUSIVE MODE");
654 my $sth = $dbh->prepare(
655 "SELECT * FROM CGreylist " .
656 "where IPNet = ? AND Sender = ? AND Receiver = ?");
658 $sth->execute($net, $sender, $rcpt);
660 my $ref = $sth->fetchrow_hashref();
664 if (!defined($ref->{rctime
})) {
666 $dbh->do($PMG::DBTools
::cgreylist_merge_sql
, undef,
667 $net, $host, $sender, $rcpt, $instance,
668 $ctime, $ctime + $greylist_lifetime, 0, 1, 0, $ctime, $self->{lcid
});
671 $self->log(3, "defer greylisted mail");
673 my $age = $ctime - $ref->{rctime
};
675 if ($age < $greylist_delay) {
676 # defer (resent within greylist_delay window)
678 $self->log(3, "defer greylisted mail");
679 $dbh->do("UPDATE CGreylist " .
680 "SET Blocked = Blocked + 1, Host = ?, MTime = ? " .
681 "WHERE IPNet = ? AND Sender = ? AND Receiver = ?", undef,
682 $host, $ctime, $net, $sender, $rcpt);
684 if ($ctime < $ref->{extime
}) {
685 # accept (not expired)
686 my $lifetime = $sender eq "" ?
0 : $greylist_awlifetime;
687 my $delay = $ref->{passed
} ?
"" : "Delay = $age, ";
688 $dbh->do("UPDATE CGreylist " .
689 "SET Passed = Passed + 1, $delay Host = ?, ExTime = ?, MTime = ? " .
690 "WHERE IPNet = ? AND Sender = ? AND Receiver = ?", undef,
691 $host, $ctime + $lifetime, $ctime, $net, $sender, $rcpt);
693 # defer (record is expired)
695 $dbh->do("UPDATE CGreylist " .
696 "SET Host = ?, RCTime = ?, ExTime = ?, MTime = ?, Instance = ?, " .
697 "Blocked = 1, Passed = 0 " .
698 "WHERE IPNet = ? AND Sender = ? AND Receiver = ?", undef,
699 $host, $ctime, $ctime + $greylist_lifetime, $ctime, $instance,
700 $net, $sender, $rcpt);
709 $self->log (0, $err);
715 # shutdown connections: we need this - else file handles are
716 # not closed and we run out of handles
718 my ($self, $mux, $fh) = @_;
720 $mux->shutdown($fh, 1);
724 my $last_reload_test = 0;
725 my $last_confid_version;
726 my (undef, $pmgconffilename) = PVE
::INotify
::ccache_info
('pmg.conf');
727 sub test_config_version
{
731 if (($ctime - $last_reload_test) < 5) { return 0; }
733 $last_reload_test = $ctime;
735 my $version = PVE
::INotify
::poll_changes
($pmgconffilename);
737 if (!defined($last_confid_version) ||
738 $last_confid_version != $version) {
739 $last_confid_version = $version;
747 my ($self, $mux, $fh, $dataref) = @_;
748 my $prop = $self->{server
};
753 $self->{reload_config
} = 1 if test_config_version
();
754 $self->load_config() if $self->{reload_config
};
756 while ($$dataref =~ s/^([^\r\n]*)\r?\n//) {
758 next if !defined ($line);
760 if ($line =~ m/([^=]+)=(.*)/) {
761 $attribute->{substr($1, 0, 255)} = substr($2, 0, 255);
762 } elsif ($line eq '') {
767 die "undefined test time :ERROR" if !defined $attribute->{testtime
};
768 $ctime = $attribute->{testtime
};
771 if ($attribute->{instance
} && $attribute->{recipient
} &&
772 $attribute->{client_address
} && $attribute->{request
} &&
773 $attribute->{request
} eq 'smtpd_access_policy') {
777 $res = $self->greylist_value(
779 lc ($attribute->{helo_name
}),
780 lc ($attribute->{client_address
}),
781 lc ($attribute->{sender
}),
782 lc ($attribute->{recipient
}),
783 lc ($attribute->{instance
}));
790 print $fh "action=$res\n\n";
794 $self->log(0, "greylist policy protocol error - got '%s'", $line);
800 # remove remaining data, if any
801 if ($$dataref ne '') {
802 $self->log(0, "greylist policy protocol error - unused data '%s'", $$dataref);
806 $self->log(0, $err) if $err;
809 sub restart_close_hook
{
812 my $sig_set = POSIX
::SigSet-
>new;
813 $sig_set->addset(&POSIX
::SIGHUP
);
814 $sig_set->addset(&POSIX
::SIGCHLD
); # to avoid zombies
815 my $old_sig_set = POSIX
::SigSet-
>new();
817 sigprocmask
(SIG_BLOCK
, $sig_set, $old_sig_set);
820 sub pre_server_close_hook
{
823 my $prop = $self->{server
};
825 if (defined $prop->{_HUP
}) {
826 undef $prop->{pid_file_unlink
};
829 if (defined $prop->{children
}) {
830 foreach my $pid (keys %{$prop->{children
}}) {
831 kill(1, $pid); # HUP childs
835 # nicely shutdown childs (give them max 30 seconds to shut down)
836 my $previous_alarm = alarm(30);
838 local $SIG{ALRM
} = sub { die "Timed Out!\n" };
841 1 while ((($pid = waitpid(-1, 0)) > 0) || ($! == EINTR
));
843 alarm(0); # avoid race
845 alarm ($previous_alarm);
848 sub setup_fork_signal_mask
{
851 my $sig_set = POSIX
::SigSet-
>new;
852 $sig_set->addset(&POSIX
::SIGINT
);
853 $sig_set->addset(&POSIX
::SIGTERM
);
854 $sig_set->addset(&POSIX
::SIGQUIT
);
855 $sig_set->addset(&POSIX
::SIGHUP
);
856 my $old_sig_set = POSIX
::SigSet-
>new();
859 sigprocmask
(SIG_BLOCK
, $sig_set, $old_sig_set);
861 sigprocmask
(SIG_UNBLOCK
, $sig_set, $old_sig_set);
865 # subroutine to start up a specified number of children.
866 # We need to block signals until handlers are set up correctly.
867 # Else its possible that HUP occurs after fork, which triggers
868 # singal TERM at childs and calls server_close() instead of
869 # simply exit the child.
870 # Note: on server startup signals are setup to trigger
871 # asynchronously for a short period of time (in PreForkSimple]::loop,
872 # run_n_children is called before run_parent)
873 # Net::Server::PreFork does not have this problem, because it is using
874 # signal HUP stop children
878 my $prop = $self->{server
};
880 setup_fork_signal_mask
(1); # block signals
882 $self->SUPER::run_n_children
($n);
884 setup_fork_signal_mask
(0); # unblocking signals for parent
887 # test sig_hup with: for ((;;)) ;do kill -HUP `cat /var/run/pmgpolicy.pid`; done;
888 # wrapper to avoid multiple calls to sig_hup
892 my $prop = $self->{server
};
894 return if defined($prop->{_HUP
}); # do not call twice
896 $self->SUPER::sig_hup
();
899 ### child process which will accept on the port
903 my $prop = $self->{server
};
905 $self->log(4, "Child Preforked ($$)\n");
907 # set correct signal handlers before enabling signals again
908 $SIG{INT
} = $SIG{TERM
} = $SIG{QUIT
} = $SIG{HUP
} = sub {
909 $self->child_finish_hook;
913 delete $prop->{children
};
915 $self->child_init_hook;
919 my $sock = $prop->{sock
}->[0];
921 # make sure we got a good sock
922 if (!defined ($sock)){
923 $self->log(0, "ERROR: Received a bad socket");
927 # sometimes the socket is not usable, don't know why
928 my $flags = fcntl($sock, F_GETFL
, 0);
930 $self->log(0, "socket not ready - $!");
934 # cache is limited, because postfix does max. 100 queries
938 my $mux = $self->{mux
};
939 $mux->listen ($sock);
943 $self->log(0, "ERROR: $err");
946 $self->child_finish_hook;
960 my ($self, $level, $msg, @therest) = @_;
962 my $prop = $self->{server
};
964 return if $level =~ /^\d+$/ && $level > $prop->{log_level
};
966 $level = $syslog_map->{$level} || $level;
968 syslog
($level, $msg, @therest);
970 syslog
($level, $msg);
975 server
=> $server_attr,
978 $server->sig_chld(); # avoid zombies after restart
988 pmgpolicy - The Proxmox policy daemon
996 Documentation is available at www.proxmox.com