10 use POSIX
qw(strftime);
15 use Time
::HiRes qw
(gettimeofday
);
40 my $valid_pmg_realms = ['pam', 'pmg', 'quarantine'];
42 PVE
::JSONSchema
::register_standard_option
('realm', {
43 description
=> "Authentication domain ID",
45 enum
=> $valid_pmg_realms,
49 PVE
::JSONSchema
::register_standard_option
('pmg-starttime', {
50 description
=> "Only consider entries newer than 'starttime' (unix epoch). Default is 'now - 1day'.",
56 PVE
::JSONSchema
::register_standard_option
('pmg-endtime', {
57 description
=> "Only consider entries older than 'endtime' (unix epoch). This is set to '<start> + 1day' by default.",
63 PVE
::JSONSchema
::register_format
('pmg-userid', \
&verify_username
);
65 my ($username, $noerr) = @_;
67 $username = '' if !$username;
68 my $len = length($username);
70 die "user name '$username' is too short\n" if !$noerr;
74 die "user name '$username' is too long ($len > 64)\n" if !$noerr;
78 # we only allow a limited set of characters
79 # colon is not allowed, because we store usernames in
80 # colon separated lists)!
81 # slash is not allowed because it is used as pve API delimiter
82 # also see "man useradd"
83 my $realm_list = join('|', @$valid_pmg_realms);
84 if ($username =~ m!^([^\s:/]+)\@(${realm_list})$!) {
85 return wantarray ?
($username, $1, $2) : $username;
88 die "value '$username' does not look like a valid user name\n" if !$noerr;
93 PVE
::JSONSchema
::register_standard_option
('userid', {
94 description
=> "User ID",
95 type
=> 'string', format
=> 'pmg-userid',
100 PVE
::JSONSchema
::register_standard_option
('username', {
101 description
=> "Username (without realm)",
103 pattern
=> '[^\s:\/\@]{3,60}',
108 PVE
::JSONSchema
::register_standard_option
('pmg-email-address', {
109 description
=> "Email Address (allow most characters).",
111 pattern
=> '(?:[^\s\/\\\@]+\@[^\s\/\\\@]+)',
116 PVE
::JSONSchema
::register_standard_option
('pmg-whiteblacklist-entry-list', {
117 description
=> "White/Blacklist entry list (allow most characters). Can contain globs",
119 pattern
=> '(?:[^\s\/\\\;\,]+)(?:\,[^\s\/\\\;\,]+)*',
124 my ($dbh, $seq) = @_;
126 return $dbh->last_insert_id(
127 undef, undef, undef, undef, { sequence
=> $seq});
130 # quote all regex operators
134 $val =~ s/([\(\)\[\]\/\}\+\*\?\.\|\^\$\\])/\\$1/g;
139 sub file_older_than
{
140 my ($filename, $lasttime) = @_;
142 my $st = stat($filename);
144 return 0 if !defined($st);
146 return ($lasttime >= $st->ctime);
149 sub extract_filename
{
152 if (my $value = $head->recommended_filename()) {
154 if (my $decvalue = MIME
::Words
::decode_mimewords
($value)) {
155 $decvalue =~ s/\0/ /g;
156 $decvalue = PVE
::Tools
::trim
($decvalue);
165 my ($entity, $add_id, $id) = @_;
169 foreach my $tag (grep {/^x-proxmox-tmp/i} $entity->head->tags) {
170 $entity->head->delete ($tag);
173 $entity->head->replace('X-Proxmox-tmp-AID', $id) if $add_id;
175 foreach my $part ($entity->parts) {
176 $id = remove_marks
($part, $add_id, $id + 1);
183 my ($body, $dh) = @_;
187 foreach my $k (keys %$dh) {
190 $body =~ s/__\Q${k}\E__/$v/gs;
198 my ($entity, $sender, $targets, $xforward, $me, $nodsn) = @_;
206 my $smtp = Net
::SMTP-
>new('127.0.0.1', Port
=> 10025, Hello
=> $me) ||
207 die "unable to connect to localhost at port 10025";
209 if (defined($xforward)) {
212 foreach my $attr (keys %{$xforward}) {
213 $xfwd .= " $attr=$xforward->{$attr}";
216 if ($xfwd && $smtp->command("XFORWARD", $xfwd)->response() != CMD_OK
) {
217 syslog
('err', "xforward error - got: %s %s", $smtp->code, scalar($smtp->message));
221 my $has_utf8_targets = 0;
222 foreach my $target (@$targets) {
223 if (utf8
::is_utf8
($target)) {
224 $has_utf8_targets = 1;
229 my $mail_opts = " BODY=8BITMIME";
231 if (utf8
::is_utf8
($sender)) {
232 $sender_addr = encode
('UTF-8', $smtp->_addr($sender));
233 $mail_opts .= " SMTPUTF8";
235 $sender_addr = $smtp->_addr($sender);
236 $mail_opts .= " SMTPUTF8" if $has_utf8_targets;
239 if (!$smtp->_MAIL("FROM:" . $sender_addr . $mail_opts)) {
240 syslog
('err', "smtp error - got: %s %s", $smtp->code, scalar ($smtp->message));
241 die "smtp from: ERROR";
244 my $rcpt_opts = $nodsn ?
" NOTIFY=NEVER" : "";
246 foreach my $target (@$targets) {
248 if (utf8
::is_utf8
($target)) {
249 $rcpt_addr = encode
('UTF-8', $smtp->_addr($target));
251 $rcpt_addr = $smtp->_addr($target);
253 if (!$smtp->_RCPT("TO:" . $rcpt_addr . $rcpt_opts)) {
254 syslog
('err', "smtp error - got: %s %s", $smtp->code, scalar($smtp->message));
255 die "smtp to: ERROR";
260 #$entity->sync_headers ();
263 my $out = PMG
::SMTPPrinter-
>new($smtp);
264 $entity->print($out);
266 # make sure we always have a newline at the end of the mail
267 # else dataend() fails
268 $smtp->datasend("\n");
270 if ($smtp->dataend()) {
271 my @msgs = $smtp->message;
272 $resmess = $msgs[$#msgs];
273 ($resid) = $resmess =~ m/Ok: queued as ([0-9A-Z]+)/;
274 $rescode = $smtp->code;
276 die sprintf("unexpected SMTP result - got: %s %s : WARNING", $smtp->code, $resmess);
279 my @msgs = $smtp->message;
280 $resmess = $msgs[$#msgs];
281 $rescode = $smtp->code;
282 die sprintf("sending data failed - got: %s %s : ERROR", $smtp->code, $resmess);
287 $smtp->quit if $smtp;
290 syslog
('err', $err);
293 return wantarray ?
($resid, $rescode, $resmess) : $resid;
296 sub analyze_custom_check
{
297 my ($queue, $dname, $pmg_cfg) = @_;
299 my $enable_custom_check = $pmg_cfg->get('admin', 'custom_check');
300 return undef if !$enable_custom_check;
303 my $customcheck_exe = $pmg_cfg->get('admin', 'custom_check_path');
304 my $customcheck_apiver = 'v1';
305 my ($csec, $usec) = gettimeofday
();
315 syslog
('err', $errmsg);
318 my $customcheck_output_apiver;
324 if ($line =~ /^v\d$/) {
325 die "api version already defined!\n" if defined($customcheck_output_apiver);
326 $customcheck_output_apiver = $line;
327 die "api version mismatch - expected $customcheck_apiver, got $customcheck_output_apiver !\n"
328 if ($customcheck_output_apiver ne $customcheck_apiver);
329 } elsif ($line =~ /^SCORE: (-?[0-9]+|.[0-9]+|[0-9]+.[0-9]+)$/) {
332 } elsif ($line =~ /^VIRUS: (.+)$/) {
335 } elsif ($line =~ /^OK$/) {
338 die "got unexpected output!\n";
340 die "got more than 1 result outputs\n" if ( $have_result && $result_flag);
341 $have_result = $result_flag;
344 PVE
::Tools
::run_command
([$customcheck_exe, $customcheck_apiver, $dname],
345 errmsg
=> "$queue->{logid} custom check error",
346 errfunc
=> $log_err, outfunc
=> $parser, timeout
=> $timeout);
348 die "no api version returned\n" if !defined($customcheck_output_apiver);
349 die "no result output!\n" if !$have_result;
354 syslog
('info', "$queue->{logid}: virus detected: $vinfo (custom)");
357 my ($csec_end, $usec_end) = gettimeofday
();
358 $queue->{ptime_custom
} =
359 int (($csec_end-$csec)*1000 + ($usec_end - $usec)/1000);
362 syslog
('err', $err);
364 $queue->{errors
} = 1;
367 $queue->{vinfo_custom
} = $vinfo;
368 $queue->{spam_custom
} = $spam_score;
370 return ($vinfo, $spam_score);
373 sub analyze_virus_clam
{
374 my ($queue, $dname, $pmg_cfg) = @_;
379 my $clamdscan_opts = "--stdout";
381 my ($csec, $usec) = gettimeofday
();
387 $previous_alarm = alarm($timeout);
390 die "$queue->{logid}: Maximum time ($timeout sec) exceeded. " .
391 "virus analyze (clamav) failed: ERROR";
394 open(CMD
, "/usr/bin/clamdscan $clamdscan_opts '$dname'|") ||
395 die "$queue->{logid}: can't exec clamdscan: $! : ERROR";
400 while (defined(my $line = <CMD
>)) {
401 if ($line =~ m/^$dname.*:\s+([^ :]*)\s+FOUND$/) {
402 # we just use the first detected virus name
403 $vinfo = $1 if !$vinfo;
404 } elsif ($line =~ m/^Infected files:\s(\d*)$/i) {
413 alarm(0); # avoid race conditions
415 if (!defined($ifiles)) {
416 die "$queue->{logid}: got undefined output from " .
417 "virus detector: $response : ERROR";
421 syslog
('info', "$queue->{logid}: virus detected: $vinfo (clamav)");
426 alarm($previous_alarm);
428 my ($csec_end, $usec_end) = gettimeofday
();
429 $queue->{ptime_clam
} =
430 int (($csec_end-$csec)*1000 + ($usec_end - $usec)/1000);
433 syslog
('err', $err);
435 $queue->{errors
} = 1;
438 $queue->{vinfo_clam
} = $vinfo;
440 return $vinfo ?
"$vinfo (clamav)" : undef;
443 sub analyze_virus_avast
{
444 my ($queue, $dname, $pmg_cfg) = @_;
449 my ($csec, $usec) = gettimeofday
();
455 $previous_alarm = alarm($timeout);
458 die "$queue->{logid}: Maximum time ($timeout sec) exceeded. " .
459 "virus analyze (avast) failed: ERROR";
462 open(my $cmd, '-|', 'scan', $dname) ||
463 die "$queue->{logid}: can't exec avast scan: $! : ERROR";
466 while (defined(my $line = <$cmd>)) {
467 if ($line =~ m/^$dname\s+(.*\S)\s*$/) {
468 # we just use the first detected virus name
469 $vinfo = $1 if !$vinfo;
477 alarm(0); # avoid race conditions
480 syslog
('info', "$queue->{logid}: virus detected: $vinfo (avast)");
485 alarm($previous_alarm);
487 my ($csec_end, $usec_end) = gettimeofday
();
488 $queue->{ptime_clam
} =
489 int (($csec_end-$csec)*1000 + ($usec_end - $usec)/1000);
492 syslog
('err', $err);
494 $queue->{errors
} = 1;
497 return undef if !$vinfo;
499 $queue->{vinfo_avast
} = $vinfo;
501 return "$vinfo (avast)";
505 my ($queue, $filename, $pmg_cfg, $testmode) = @_;
507 # TODO: support other virus scanners?
510 my $vinfo_clam = analyze_virus_clam
($queue, $filename, $pmg_cfg);
511 my $vinfo_avast = analyze_virus_avast
($queue, $filename, $pmg_cfg);
513 return $vinfo_avast || $vinfo_clam;
516 my $enable_avast = $pmg_cfg->get('admin', 'avast');
519 if (my $vinfo = analyze_virus_avast
($queue, $filename, $pmg_cfg)) {
524 my $enable_clamav = $pmg_cfg->get('admin', 'clamav');
526 if ($enable_clamav) {
527 if (my $vinfo = analyze_virus_clam
($queue, $filename, $pmg_cfg)) {
535 sub magic_mime_type_for_file
{
538 # we do not use get_mime_type_for_file, because that considers
539 # filename extensions - we only want magic type detection
541 my $bufsize = Xdgmime
::xdg_mime_get_max_buffer_extents
();
542 die "got strange value for max_buffer_extents" if $bufsize > 4096*10;
544 my $ct = "application/octet-stream";
546 my $fh = IO
::File-
>new("<$filename") ||
547 die "unable to open file '$filename' - $!";
550 if (($len = $fh->read($buf, $bufsize)) > 0) {
551 $ct = xdg_mime_get_mime_type_for_data
($buf, $len);
555 die "unable to read file '$filename' - $!" if ($len < 0);
563 if (my $path = $entity->{PMX_decoded_path
}) {
565 # set a reasonable default if magic does not give a result
566 $entity->{PMX_magic_ct
} = $entity->head->mime_attr('content-type');
568 if (my $ct = magic_mime_type_for_file
($path)) {
569 if ($ct ne 'application/octet-stream' || !$entity->{PMX_magic_ct
}) {
570 $entity->{PMX_magic_ct
} = $ct;
574 my $filename = $entity->head->recommended_filename;
575 $filename = basename
($path) if !defined($filename) || $filename eq '';
577 if (my $ct = xdg_mime_get_mime_type_from_file_name
($filename)) {
578 $entity->{PMX_glob_ct
} = $ct;
582 foreach my $part ($entity->parts) {
583 add_ct_marks
($part);
587 # x509 certificate utils
589 # only write output if something fails
595 my $record_output = sub {
601 PVE
::Tools
::run_command
($cmd, outfunc
=> $record_output,
602 errfunc
=> $record_output);
607 print STDERR
$outbuf;
612 my $proxmox_tls_cert_fn = "/etc/pmg/pmg-tls.pem";
614 sub gen_proxmox_tls_cert
{
617 my $resolv = PVE
::INotify
::read_file
('resolvconf');
618 my $domain = $resolv->{search
};
620 my $company = $domain; # what else ?
621 my $cn = "*.$domain";
623 return if !$force && -f
$proxmox_tls_cert_fn;
625 my $sslconf = <<__EOD__;
626 RANDFILE = /root/.rnd
631 distinguished_name = req_distinguished_name
632 req_extensions = v3_req
634 string_mask = nombstr
636 [ req_distinguished_name ]
637 organizationalUnitName = Proxmox Mail Gateway
638 organizationName = $company
642 basicConstraints = CA:FALSE
644 keyUsage = nonRepudiation, digitalSignature, keyEncipherment
647 my $cfgfn = "/tmp/pmgtlsconf-$$.tmp";
648 my $fh = IO
::File-
>new ($cfgfn, "w");
653 my $cmd = ['openssl', 'req', '-batch', '-x509', '-new', '-sha256',
654 '-config', $cfgfn, '-days', 3650, '-nodes',
655 '-out', $proxmox_tls_cert_fn,
656 '-keyout', $proxmox_tls_cert_fn];
657 run_silent_cmd
($cmd);
661 unlink $proxmox_tls_cert_fn;
663 die "unable to generate proxmox certificate request:\n$err";
669 sub find_local_network_for_ip
{
670 my ($ip, $noerr) = @_;
672 my $testip = Net
::IP-
>new($ip);
674 my $isv6 = $testip->version == 6;
676 PVE
::ProcFSTools
::read_proc_net_ipv6_route
() :
677 PVE
::ProcFSTools
::read_proc_net_route
();
679 foreach my $entry (@$routes) {
682 $mask = $entry->{prefix
};
683 next if !$mask; # skip the default route...
685 $mask = $PVE::Network
::ipv4_mask_hash_localnet-
>{$entry->{mask
}};
686 next if !defined($mask);
688 my $cidr = "$entry->{dest}/$mask";
689 my $testnet = Net
::IP-
>new($cidr);
690 my $overlap = $testnet->overlaps($testip);
691 if ($overlap == $Net::IP
::IP_B_IN_A_OVERLAP
||
692 $overlap == $Net::IP
::IP_IDENTICAL
)
698 return undef if $noerr;
700 die "unable to detect local network for ip '$ip'\n";
703 my $service_aliases = {
704 'postfix' => 'postfix@-',
705 'postgres' => 'postgresql@9.6-main',
708 sub lookup_real_service_name
{
711 return $service_aliases->{$alias} // $alias;
714 sub get_full_service_state
{
721 if ($line =~ m/^([^=\s]+)=(.*)$/) {
726 $service = $service_aliases->{$service} // $service;
727 PVE
::Tools
::run_command
(['systemctl', 'show', $service], outfunc
=> $parser);
732 our $db_service_list = [
733 'pmgpolicy', 'pmgmirror', 'pmgtunnel', 'pmg-smtp-filter' ];
735 sub service_wait_stopped
{
736 my ($timeout, $service_list) = @_;
738 my $starttime = time();
740 foreach my $service (@$service_list) {
741 PVE
::Tools
::run_command
(['systemctl', 'stop', $service]);
747 foreach my $service (@$service_list) {
748 my $ss = get_full_service_state
($service);
749 my $state = $ss->{ActiveState
} // 'unknown';
751 if ($state ne 'inactive') {
752 if ((time() - $starttime) > $timeout) {
753 syslog
('err', "unable to stop services (got timeout)");
768 my ($service, $cmd) = @_;
770 die "unknown service command '$cmd'\n"
771 if $cmd !~ m/^(start|stop|restart|reload|reload-or-restart)$/;
773 if ($service eq 'pmgdaemon' || $service eq 'pmgproxy') {
774 die "invalid service cmd '$service $cmd': ERROR" if $cmd eq 'stop';
775 } elsif ($service eq 'fetchmail') {
776 # use restart instead of start - else it does not start 'exited' unit
777 # after setting START_DAEMON=yes in /etc/default/fetchmail
778 $cmd = 'restart' if $cmd eq 'start';
781 $service = $service_aliases->{$service} // $service;
782 PVE
::Tools
::run_command
(['systemctl', $cmd, $service]);
785 # this is also used to get the IP of the local node
787 my ($nodename, $noerr) = @_;
789 my ($family, $packed_ip);
792 my @res = PVE
::Tools
::getaddrinfo_all
($nodename);
793 $family = $res[0]->{family
};
794 $packed_ip = (PVE
::Tools
::unpack_sockaddr_in46
($res[0]->{addr
}))[2];
798 die "hostname lookup failed:\n$@" if !$noerr;
802 my $ip = Socket
::inet_ntop
($family, $packed_ip);
803 if ($ip =~ m/^127\.|^::1$/) {
804 die "hostname lookup failed - got local IP address ($nodename = $ip)\n" if !$noerr;
808 return wantarray ?
($ip, $family) : $ip;
814 # make sure the file exists (else postmap fails)
815 IO
::File-
>new($filename, 'a', 0644);
817 my $mtime_src = (CORE
::stat($filename))[9] //
818 die "unbale to read mtime of $filename\n";
820 my $mtime_dst = (CORE
::stat("$filename.db"))[9] // 0;
822 # if not changed, do nothing
823 return if $mtime_src <= $mtime_dst;
826 PVE
::Tools
::run_command
(
827 ['/usr/sbin/postmap', $filename],
828 errmsg
=> "unable to update postfix table $filename");
839 my $read_cvd_info = sub {
840 my ($dbname, $dbfile) = @_;
843 my $fh = IO
::File-
>new("<$dbfile");
845 warn "cant open ClamAV Database $dbname ($dbfile) - $!\n";
848 $fh->read($header, 512);
851 ## ClamAV-VDB:16 Mar 2016 23-17 +0000:57:4218790:60:06386f34a16ebeea2733ab037f0536be:
852 if ($header =~ m/^(ClamAV-VDB):([^:]+):(\d+):(\d+):/) {
853 my ($ftype, $btime, $version, $nsigs) = ($1, $2, $3, $4);
857 build_time
=> $btime,
862 warn "unable to parse ClamAV Database $dbname ($dbfile)\n";
867 my $filename = "/var/lib/clamav/main.inc/main.info";
868 $filename = "/var/lib/clamav/main.cvd" if ! -f
$filename;
870 $read_cvd_info->('main', $filename) if -f
$filename;
873 $filename = "/var/lib/clamav/daily.inc/daily.info";
874 $filename = "/var/lib/clamav/daily.cvd" if ! -f
$filename;
875 $filename = "/var/lib/clamav/daily.cld" if ! -f
$filename;
877 $read_cvd_info->('daily', $filename) if -f
$filename;
879 $filename = "/var/lib/clamav/bytecode.cvd";
880 $read_cvd_info->('bytecode', $filename) if -f
$filename;
882 $filename = "/var/lib/clamav/safebrowsing.cvd";
883 $read_cvd_info->('safebrowsing', $filename) if -f
$filename;
885 my $ss_dbs_fn = "/var/lib/clamav-unofficial-sigs/configs/ss-include-dbs.txt";
886 my $ss_dbs_files = {};
887 if (my $ssfh = IO
::File-
>new("<${ss_dbs_fn}")) {
888 while (defined(my $line = <$ssfh>)) {
890 $ss_dbs_files->{$line} = 1;
895 foreach $filename (</var/lib
/clamav/*>) {
896 my $fn = basename
($filename);
897 next if !$ss_dbs_files->{$fn};
899 my $fh = IO
::File-
>new("<$filename");
900 next if !defined($fh);
903 my $mtime = $st->mtime();
904 $last = $mtime if $mtime > $last;
905 while (defined(my $line = <$fh>)) { $nsigs++; }
910 name
=> 'sanesecurity',
911 type
=> 'unofficial',
912 build_time
=> strftime
("%d %b %Y %H-%M %z", localtime($last)),
921 my $rrd_dir = "/var/lib/rrdcached/db";
922 my $rrdcached_socket = "/var/run/rrdcached.sock";
925 "DS:loadavg:GAUGE:120:0:U",
926 "DS:maxcpu:GAUGE:120:0:U",
927 "DS:cpu:GAUGE:120:0:U",
928 "DS:iowait:GAUGE:120:0:U",
929 "DS:memtotal:GAUGE:120:0:U",
930 "DS:memused:GAUGE:120:0:U",
931 "DS:swaptotal:GAUGE:120:0:U",
932 "DS:swapused:GAUGE:120:0:U",
933 "DS:roottotal:GAUGE:120:0:U",
934 "DS:rootused:GAUGE:120:0:U",
935 "DS:netin:DERIVE:120:0:U",
936 "DS:netout:DERIVE:120:0:U",
938 "RRA:AVERAGE:0.5:1:70", # 1 min avg - one hour
939 "RRA:AVERAGE:0.5:30:70", # 30 min avg - one day
940 "RRA:AVERAGE:0.5:180:70", # 3 hour avg - one week
941 "RRA:AVERAGE:0.5:720:70", # 12 hour avg - one month
942 "RRA:AVERAGE:0.5:10080:70", # 7 day avg - ony year
944 "RRA:MAX:0.5:1:70", # 1 min max - one hour
945 "RRA:MAX:0.5:30:70", # 30 min max - one day
946 "RRA:MAX:0.5:180:70", # 3 hour max - one week
947 "RRA:MAX:0.5:720:70", # 12 hour max - one month
948 "RRA:MAX:0.5:10080:70", # 7 day max - ony year
951 sub cond_create_rrd_file
{
952 my ($filename, $rrddef) = @_;
954 return if -f
$filename;
956 my @args = ($filename);
958 push @args, "--daemon" => "unix:${rrdcached_socket}"
959 if -S
$rrdcached_socket;
961 push @args, '--step', 60;
963 push @args, @$rrddef;
965 # print "TEST: " . join(' ', @args) . "\n";
968 my $err = RRDs
::error
;
969 die "RRD error: $err\n" if $err;
972 sub update_node_status_rrd
{
974 my $filename = "$rrd_dir/pmg-node-v1.rrd";
975 cond_create_rrd_file
($filename, $rrd_def_node);
977 my ($avg1, $avg5, $avg15) = PVE
::ProcFSTools
::read_loadavg
();
979 my $stat = PVE
::ProcFSTools
::read_proc_stat
();
981 my $netdev = PVE
::ProcFSTools
::read_proc_net_dev
();
983 my ($uptime) = PVE
::ProcFSTools
::read_proc_uptime
();
985 my $cpuinfo = PVE
::ProcFSTools
::read_cpuinfo
();
987 my $maxcpu = $cpuinfo->{cpus
};
989 # traffic from/to physical interface cards
992 foreach my $dev (keys %$netdev) {
993 next if $dev !~ m/^$PVE::Network::PHYSICAL_NIC_RE$/;
994 $netin += $netdev->{$dev}->{receive
};
995 $netout += $netdev->{$dev}->{transmit
};
998 my $meminfo = PVE
::ProcFSTools
::read_meminfo
();
1000 my $dinfo = df
('/', 1); # output is bytes
1004 # everything not free is considered to be used
1005 my $dused = $dinfo->{blocks
} - $dinfo->{bfree
};
1007 my $data = "$ctime:$avg1:$maxcpu:$stat->{cpu}:$stat->{wait}:" .
1008 "$meminfo->{memtotal}:$meminfo->{memused}:" .
1009 "$meminfo->{swaptotal}:$meminfo->{swapused}:" .
1010 "$dinfo->{blocks}:$dused:$netin:$netout";
1013 my @args = ($filename);
1015 push @args, "--daemon" => "unix:${rrdcached_socket}"
1016 if -S
$rrdcached_socket;
1020 # print "TEST: " . join(' ', @args) . "\n";
1022 RRDs
::update
(@args);
1023 my $err = RRDs
::error
;
1024 die "RRD error: $err\n" if $err;
1027 sub create_rrd_data
{
1028 my ($rrdname, $timeframe, $cf) = @_;
1030 my $rrd = "${rrd_dir}/$rrdname";
1034 day
=> [ 60*30, 70 ],
1035 week
=> [ 60*180, 70 ],
1036 month
=> [ 60*720, 70 ],
1037 year
=> [ 60*10080, 70 ],
1040 my ($reso, $count) = @{$setup->{$timeframe}};
1041 my $ctime = $reso*int(time()/$reso);
1042 my $req_start = $ctime - $reso*$count;
1044 $cf = "AVERAGE" if !$cf;
1052 push @args, "--daemon" => "unix:${rrdcached_socket}"
1053 if -S
$rrdcached_socket;
1055 my ($start, $step, $names, $data) = RRDs
::fetch
($rrd, $cf, @args);
1057 my $err = RRDs
::error
;
1058 die "RRD error: $err\n" if $err;
1060 die "got wrong time resolution ($step != $reso)\n"
1064 my $fields = scalar(@$names);
1065 for my $line (@$data) {
1066 my $entry = { 'time' => $start };
1068 for (my $i = 0; $i < $fields; $i++) {
1069 my $name = $names->[$i];
1070 if (defined(my $val = $line->[$i])) {
1071 $entry->{$name} = $val;
1073 # leave empty fields undefined
1074 # maybe make this configurable?
1083 sub decode_to_html
{
1084 my ($charset, $data) = @_;
1088 eval { $res = encode_entities
(decode
($charset, $data)); };
1093 sub decode_rfc1522
{
1101 foreach my $r (MIME
::Words
::decode_mimewords
($enc)) {
1105 $res .= decode
($cs, $d);
1118 sub rfc1522_to_html
{
1126 foreach my $r (MIME
::Words
::decode_mimewords
($enc)) {
1130 $res .= encode_entities
(decode
($cs, $d));
1132 $res .= encode_entities
($d);
1143 # RFC 2047 B-ENCODING http://rfc.net/rfc2047.html
1144 # (Q-Encoding is complex and error prone)
1145 sub bencode_header
{
1148 my $CRLF = "\015\012";
1150 # Nonprintables (controls + x7F + 8bit):
1151 my $NONPRINT = "\\x00-\\x1F\\x7F-\\xFF";
1153 # always use utf-8 (work with japanese character sets)
1154 $txt = encode
("UTF-8", $txt);
1156 return $txt if $txt !~ /[$NONPRINT]/o;
1160 while ($txt =~ s/^(.{1,42})//sm) {
1161 my $t = MIME
::Words
::encode_mimeword
($1, 'B', 'UTF-8');
1162 $res .= $res ?
"\015\012\t$t" : $t;
1168 sub load_sa_descriptions
{
1169 my ($additional_dirs) = @_;
1171 my @dirs = ('/usr/share/spamassassin',
1172 '/usr/share/spamassassin-extra');
1174 push @dirs, @$additional_dirs if @$additional_dirs;
1178 my $parse_sa_file = sub {
1181 open(my $fh,'<', $file);
1182 return if !defined($fh);
1184 while (defined(my $line = <$fh>)) {
1185 if ($line =~ m/^describe\s+(\S+)\s+(.*)\s*$/) {
1186 my ($name, $desc) = ($1, $2);
1187 next if $res->{$name};
1188 $res->{$name}->{desc
} = $desc;
1189 if ($desc =~ m
|[\
(\s
](http
:\
/\/\S
+\
.[^\s\
.\
)]+\
.[^\s\
.\
)]+)|i
) {
1190 $res->{$name}->{url
} = $1;
1197 foreach my $dir (@dirs) {
1198 foreach my $file (<$dir/*.cf
>) {
1199 $parse_sa_file->($file);
1203 $res->{'ClamAVHeuristics'}->{desc
} = "ClamAV heuristic tests";
1211 my $days = int($uptime/86400);
1212 $uptime -= $days*86400;
1214 my $hours = int($uptime/3600);
1215 $uptime -= $hours*3600;
1217 my $mins = $uptime/60;
1220 my $ds = $days > 1 ?
'days' : 'day';
1221 return sprintf "%d $ds %02d:%02d", $days, $hours, $mins;
1223 return sprintf "%02d:%02d", $hours, $mins;
1227 sub finalize_report
{
1228 my ($tt, $template, $data, $mailfrom, $receiver, $debug) = @_;
1232 $tt->process($template, $data, \
$html) ||
1233 die $tt->error() . "\n";
1236 if ($html =~ m
|^\s
*<title
>(.*)</title
>|m
) {
1239 die "unable to extract template title\n";
1242 my $top = MIME
::Entity-
>build(
1243 Type
=> "multipart/related",
1244 To
=> $data->{pmail
},
1246 Subject
=> bencode_header
(decode_entities
($title)));
1250 Type
=> "text/html",
1251 Encoding
=> $debug ?
'binary' : 'quoted-printable');
1257 # we use an empty envelope sender (we dont want to receive NDRs)
1258 PMG
::Utils
::reinject_mail
($top, '', [$receiver], undef, $data->{fqdn
});
1261 sub lookup_timespan
{
1262 my ($timespan) = @_;
1264 my (undef, undef, undef, $mday, $mon, $year) = localtime(time());
1265 my $daystart = timelocal
(0, 0, 0, $mday, $mon, $year);
1270 if ($timespan eq 'today') {
1272 $end = $start + 86400;
1273 } elsif ($timespan eq 'yesterday') {
1275 $start = $end - 86400;
1276 } elsif ($timespan eq 'week') {
1278 $start = $end - 7*86400;
1280 die "internal error";
1283 return ($start, $end);
1286 my $rbl_scan_last_cursor;
1287 my $rbl_scan_start_time = time();
1289 sub scan_journal_for_rbl_rejects
{
1291 # example postscreen log entry for RBL rejects
1292 # Aug 29 08:00:36 proxmox postfix/postscreen[11266]: NOQUEUE: reject: RCPT from [x.x.x.x]:1234: 550 5.7.1 Service unavailable; client [x.x.x.x] blocked using zen.spamhaus.org; from=<xxxx>, to=<yyyy>, proto=ESMTP, helo=<zzz>
1294 # example for PREGREET reject
1295 # Dec 7 06:57:11 proxmox postfix/postscreen[32084]: PREGREET 14 after 0.23 from [x.x.x.x]:63492: EHLO yyyyy\r\n
1297 my $identifier = 'postfix/postscreen';
1300 my $pregreet_count = 0;
1305 if ($line =~ m/^--\scursor:\s(\S+)$/) {
1306 $rbl_scan_last_cursor = $1;
1310 if ($line =~ m/\s$identifier\[\d+\]:\sNOQUEUE:\sreject:.*550 5.7.1 Service unavailable;/) {
1312 } elsif ($line =~ m/\s$identifier\[\d+\]:\sPREGREET\s\d+\safter\s/) {
1317 # limit to last 5000 lines to avoid long delays
1318 my $cmd = ['journalctl', '--show-cursor', '-o', 'short-unix', '--no-pager',
1319 '--identifier', $identifier, '-n', 5000];
1321 if (defined($rbl_scan_last_cursor)) {
1322 push @$cmd, "--after-cursor=${rbl_scan_last_cursor}";
1324 push @$cmd, "--since=@" . $rbl_scan_start_time;
1327 PVE
::Tools
::run_command
($cmd, outfunc
=> $parser);
1329 return ($rbl_count, $pregreet_count);
1336 return $hwaddress if defined ($hwaddress);
1338 my $fn = '/etc/ssh/ssh_host_rsa_key.pub';
1339 my $sshkey = PVE
::Tools
::file_get_contents
($fn);
1340 $hwaddress = uc(Digest
::MD5
::md5_hex
($sshkey));
1345 my $default_locale = "en_US.UTF-8 UTF-8";
1347 sub cond_add_default_locale
{
1349 my $filename = "/etc/locale.gen";
1351 open(my $infh, "<", $filename) || return;
1353 while (defined(my $line = <$infh>)) {
1354 if ($line =~ m/^\Q${default_locale}\E/) {
1355 # already configured
1360 seek($infh, 0, 0) // return; # seek failed
1362 open(my $outfh, ">", "$filename.tmp") || return;
1365 while (defined(my $line = <$infh>)) {
1366 if ($line =~ m/^#\s*\Q${default_locale}\E.*/) {
1367 print $outfh "${default_locale}\n" if !$done;
1374 print STDERR
"generation pmg default locale\n";
1376 rename("$filename.tmp", $filename) || return; # rename failed
1378 system("dpkg-reconfigure locales -f noninteractive");