10 use POSIX
qw(strftime);
15 use Time
::HiRes qw
(gettimeofday
);
33 my $msg = shift || '';
41 return $dbh->last_insert_id(
42 undef, undef, undef, undef, { sequence
=> $seq});
46 my ($filename, $lasttime) = @_;
48 my $st = stat($filename);
50 return 0 if !defined($st);
52 return ($lasttime >= $st->ctime);
55 sub extract_filename
{
58 if (my $value = $head->recommended_filename()) {
60 if (my $decvalue = MIME
::Words
::decode_mimewords
($value)) {
61 $decvalue =~ s/\0/ /g;
62 $decvalue = PVE
::Tools
::trim
($decvalue);
71 my ($entity, $add_id, $id) = @_;
75 foreach my $tag (grep {/^x-proxmox-tmp/i} $entity->head->tags) {
76 $entity->head->delete ($tag);
79 $entity->head->replace('X-Proxmox-tmp-AID', $id) if $add_id;
81 foreach my $part ($entity->parts) {
82 $id = remove_marks
($part, $add_id, $id + 1);
93 foreach my $k (keys %$dh) {
96 $body =~ s/__\Q${k}\E__/$v/gs;
104 my ($entity, $sender, $targets, $xforward, $me, $nodsn) = @_;
112 my $smtp = Net
::SMTP-
>new('127.0.0.1', Port
=> 10025, Hello
=> $me) ||
113 die "unable to connect to localhost at port 10025";
115 if (defined($xforward)) {
118 foreach my $attr (keys %{$xforward}) {
119 $xfwd .= " $attr=$xforward->{$attr}";
122 if ($xfwd && $smtp->command("XFORWARD", $xfwd)->response() != CMD_OK
) {
123 syslog
('err', "xforward error - got: %s %s", $smtp->code, scalar($smtp->message));
127 if (!$smtp->mail($sender)) {
128 syslog
('err', "smtp error - got: %s %s", $smtp->code, scalar ($smtp->message));
129 die "smtp from: ERROR";
132 my $dsnopts = $nodsn ?
{Notify
=> ['NEVER']} : {};
134 if (!$smtp->to (@$targets, $dsnopts)) {
135 syslog
('err', "smtp error - got: %s %s", $smtp->code, scalar($smtp->message));
136 die "smtp to: ERROR";
140 #$entity->sync_headers ();
143 my $out = PMG
::SMTPPrinter-
>new($smtp);
144 $entity->print($out);
146 # make sure we always have a newline at the end of the mail
147 # else dataend() fails
148 $smtp->datasend("\n");
150 if ($smtp->dataend()) {
151 my @msgs = $smtp->message;
152 $resmess = $msgs[$#msgs];
153 ($resid) = $resmess =~ m/Ok: queued as ([0-9A-Z]+)/;
154 $rescode = $smtp->code;
156 die sprintf("unexpected SMTP result - got: %s %s : WARNING", $smtp->code, $resmess);
159 my @msgs = $smtp->message;
160 $resmess = $msgs[$#msgs];
161 $rescode = $smtp->code;
162 die sprintf("sending data failed - got: %s %s : ERROR", $smtp->code, $resmess);
167 $smtp->quit if $smtp;
170 syslog
('err', $err);
173 return wantarray ?
($resid, $rescode, $resmess) : $resid;
176 sub analyze_virus_clam
{
177 my ($queue, $dname, $pmg_cfg) = @_;
182 my $clamdscan_opts = "--stdout";
184 my ($csec, $usec) = gettimeofday
();
190 $previous_alarm = alarm($timeout);
193 die "$queue->{logid}: Maximum time ($timeout sec) exceeded. " .
194 "virus analyze (clamav) failed: ERROR";
197 open(CMD
, "/usr/bin/clamdscan $clamdscan_opts '$dname'|") ||
198 die "$queue->{logid}: can't exec clamdscan: $! : ERROR";
203 while (defined(my $line = <CMD
>)) {
204 if ($line =~ m/^$dname.*:\s+([^ :]*)\s+FOUND$/) {
205 # we just use the first detected virus name
206 $vinfo = $1 if !$vinfo;
207 } elsif ($line =~ m/^Infected files:\s(\d*)$/i) {
216 alarm(0); # avoid race conditions
218 if (!defined($ifiles)) {
219 die "$queue->{logid}: got undefined output from " .
220 "virus detector: $response : ERROR";
224 syslog
('info', "$queue->{logid}: virus detected: $vinfo (clamav)");
229 alarm($previous_alarm);
231 my ($csec_end, $usec_end) = gettimeofday
();
232 $queue->{ptime_clam
} =
233 int (($csec_end-$csec)*1000 + ($usec_end - $usec)/1000);
236 syslog
('err', $err);
238 $queue->{errors
} = 1;
241 $queue->{vinfo_clam
} = $vinfo;
243 return $vinfo ?
"$vinfo (clamav)" : undef;
247 my ($queue, $filename, $pmg_cfg, $testmode) = @_;
249 # TODO: support other virus scanners?
251 # always scan with clamav
252 return analyze_virus_clam
($queue, $filename, $pmg_cfg);
255 sub magic_mime_type_for_file
{
258 # we do not use get_mime_type_for_file, because that considers
259 # filename extensions - we only want magic type detection
261 my $bufsize = Xdgmime
::xdg_mime_get_max_buffer_extents
();
262 die "got strange value for max_buffer_extents" if $bufsize > 4096*10;
264 my $ct = "application/octet-stream";
266 my $fh = IO
::File-
>new("<$filename") ||
267 die "unable to open file '$filename' - $!";
270 if (($len = $fh->read($buf, $bufsize)) > 0) {
271 $ct = xdg_mime_get_mime_type_for_data
($buf, $len);
275 die "unable to read file '$filename' - $!" if ($len < 0);
283 if (my $path = $entity->{PMX_decoded_path
}) {
285 # set a reasonable default if magic does not give a result
286 $entity->{PMX_magic_ct
} = $entity->head->mime_attr('content-type');
288 if (my $ct = magic_mime_type_for_file
($path)) {
289 if ($ct ne 'application/octet-stream' || !$entity->{PMX_magic_ct
}) {
290 $entity->{PMX_magic_ct
} = $ct;
294 my $filename = $entity->head->recommended_filename;
295 $filename = basename
($path) if !defined($filename) || $filename eq '';
297 if (my $ct = xdg_mime_get_mime_type_from_file_name
($filename)) {
298 $entity->{PMX_glob_ct
} = $ct;
302 foreach my $part ($entity->parts) {
303 add_ct_marks
($part);
307 # x509 certificate utils
309 # only write output if something fails
315 my $record_output = sub {
321 PVE
::Tools
::run_command
($cmd, outfunc
=> $record_output,
322 errfunc
=> $record_output);
327 print STDERR
$outbuf;
332 my $proxmox_tls_cert_fn = "/etc/pmg/pmg-tls.pem";
334 sub gen_proxmox_tls_cert
{
337 my $resolv = PVE
::INotify
::read_file
('resolvconf');
338 my $domain = $resolv->{search
};
340 my $company = $domain; # what else ?
341 my $cn = "*.$domain";
343 return if !$force && -f
$proxmox_tls_cert_fn;
345 my $sslconf = <<__EOD__;
346 RANDFILE = /root/.rnd
351 distinguished_name = req_distinguished_name
352 req_extensions = v3_req
354 string_mask = nombstr
356 [ req_distinguished_name ]
357 organizationalUnitName = Proxmox Mail Gateway
358 organizationName = $company
362 basicConstraints = CA:FALSE
364 keyUsage = nonRepudiation, digitalSignature, keyEncipherment
367 my $cfgfn = "/tmp/pmgtlsconf-$$.tmp";
368 my $fh = IO
::File-
>new ($cfgfn, "w");
373 my $cmd = ['openssl', 'req', '-batch', '-x509', '-new', '-sha256',
374 '-config', $cfgfn, '-days', 3650, '-nodes',
375 '-out', $proxmox_tls_cert_fn,
376 '-keyout', $proxmox_tls_cert_fn];
377 run_silent_cmd
($cmd);
381 unlink $proxmox_tls_cert_fn;
383 die "unable to generate proxmox certificate request:\n$err";
389 sub find_local_network_for_ip
{
392 my $testip = Net
::IP-
>new($ip);
394 my $isv6 = $testip->version == 6;
396 PVE
::ProcFSTools
::read_proc_net_ipv6_route
() :
397 PVE
::ProcFSTools
::read_proc_net_route
();
399 foreach my $entry (@$routes) {
402 $mask = $entry->{prefix
};
403 next if !$mask; # skip the default route...
405 $mask = $PVE::Network
::ipv4_mask_hash_localnet-
>{$entry->{mask
}};
406 next if !defined($mask);
408 my $cidr = "$entry->{dest}/$mask";
409 my $testnet = Net
::IP-
>new($cidr);
410 my $overlap = $testnet->overlaps($testip);
411 if ($overlap == $Net::IP
::IP_B_IN_A_OVERLAP
||
412 $overlap == $Net::IP
::IP_IDENTICAL
)
418 die "unable to detect local network for ip '$ip'\n";
422 my ($service, $cmd) = @_;
424 die "unknown service command '$cmd'\n"
425 if $cmd !~ m/^(start|stop|restart|reload)$/;
427 if ($service eq 'pmgdaemon' || $service eq 'pmgproxy') {
428 if ($cmd eq 'restart') {
431 die "invalid service cmd '$service $cmd': ERROR";
435 $service = 'postfix@-' if $service eq 'postfix';
436 PVE
::Tools
::run_command
(['systemctl', $cmd, $service]);
439 # this is also used to get the IP of the local node
441 my ($nodename, $noerr) = @_;
443 my ($family, $packed_ip);
446 my @res = PVE
::Tools
::getaddrinfo_all
($nodename);
447 $family = $res[0]->{family
};
448 $packed_ip = (PVE
::Tools
::unpack_sockaddr_in46
($res[0]->{addr
}))[2];
452 die "hostname lookup failed:\n$@" if !$noerr;
456 my $ip = Socket
::inet_ntop
($family, $packed_ip);
457 if ($ip =~ m/^127\.|^::1$/) {
458 die "hostname lookup failed - got local IP address ($nodename = $ip)\n" if !$noerr;
462 return wantarray ?
($ip, $family) : $ip;
468 # make sure the file exists (else postmap fails)
469 IO
::File-
>new($filename, 'a', 0644);
472 PVE
::Tools
::run_command
(
473 ['/usr/sbin/postmap', $filename],
474 errmsg
=> "unable to update postfix table $filename");
485 my $read_cvd_info = sub {
486 my ($dbname, $dbfile) = @_;
489 my $fh = IO
::File-
>new("<$dbfile");
491 warn "cant open ClamAV Database $dbname ($dbfile) - $!\n";
494 $fh->read($header, 512);
497 ## ClamAV-VDB:16 Mar 2016 23-17 +0000:57:4218790:60:06386f34a16ebeea2733ab037f0536be:
498 if ($header =~ m/^(ClamAV-VDB):([^:]+):(\d+):(\d+):/) {
499 my ($ftype, $btime, $version, $nsigs) = ($1, $2, $3, $4);
503 build_time
=> $btime,
508 warn "unable to parse ClamAV Database $dbname ($dbfile)\n";
513 my $filename = "/var/lib/clamav/main.inc/main.info";
514 $filename = "/var/lib/clamav/main.cvd" if ! -f
$filename;
516 $read_cvd_info->('main', $filename) if -f
$filename;
519 $filename = "/var/lib/clamav/daily.inc/daily.info";
520 $filename = "/var/lib/clamav/daily.cvd" if ! -f
$filename;
521 $filename = "/var/lib/clamav/daily.cld" if ! -f
$filename;
523 $read_cvd_info->('daily', $filename) if -f
$filename;
525 $filename = "/var/lib/clamav/bytecode.cvd";
526 $read_cvd_info->('bytecode', $filename) if -f
$filename;
528 $filename = "/var/lib/clamav/safebrowsing.cvd";
529 $read_cvd_info->('safebrowsing', $filename) if -f
$filename;
531 my $ss_dbs_fn = "/var/lib/clamav-unofficial-sigs/configs/ss-include-dbs.txt";
532 my $ss_dbs_files = {};
533 if (my $ssfh = IO
::File-
>new("<${ss_dbs_fn}")) {
534 while (defined(my $line = <$ssfh>)) {
536 $ss_dbs_files->{$line} = 1;
541 foreach $filename (</var/lib
/clamav/*>) {
542 my $fn = basename
($filename);
543 next if !$ss_dbs_files->{$fn};
545 my $fh = IO
::File-
>new("<$filename");
546 next if !defined($fh);
549 my $mtime = $st->mtime();
550 $last = $mtime if $mtime > $last;
551 while (defined(my $line = <$fh>)) { $nsigs++; }
556 name
=> 'sanesecurity',
557 type
=> 'unofficial',
558 build_time
=> strftime
("%d %b %Y %H-%M %z", localtime($last)),
567 my $rrd_dir = "/var/lib/rrdcached/db";
568 my $rrdcached_socket = "/var/run/rrdcached.sock";
571 "DS:loadavg:GAUGE:120:0:U",
572 "DS:maxcpu:GAUGE:120:0:U",
573 "DS:cpu:GAUGE:120:0:U",
574 "DS:iowait:GAUGE:120:0:U",
575 "DS:memtotal:GAUGE:120:0:U",
576 "DS:memused:GAUGE:120:0:U",
577 "DS:swaptotal:GAUGE:120:0:U",
578 "DS:swapused:GAUGE:120:0:U",
579 "DS:roottotal:GAUGE:120:0:U",
580 "DS:rootused:GAUGE:120:0:U",
581 "DS:netin:DERIVE:120:0:U",
582 "DS:netout:DERIVE:120:0:U",
584 "RRA:AVERAGE:0.5:1:70", # 1 min avg - one hour
585 "RRA:AVERAGE:0.5:30:70", # 30 min avg - one day
586 "RRA:AVERAGE:0.5:180:70", # 3 hour avg - one week
587 "RRA:AVERAGE:0.5:720:70", # 12 hour avg - one month
588 "RRA:AVERAGE:0.5:10080:70", # 7 day avg - ony year
590 "RRA:MAX:0.5:1:70", # 1 min max - one hour
591 "RRA:MAX:0.5:30:70", # 30 min max - one day
592 "RRA:MAX:0.5:180:70", # 3 hour max - one week
593 "RRA:MAX:0.5:720:70", # 12 hour max - one month
594 "RRA:MAX:0.5:10080:70", # 7 day max - ony year
597 sub cond_create_rrd_file
{
598 my ($filename, $rrddef) = @_;
600 return if -f
$filename;
602 my @args = ($filename);
604 push @args, "--daemon" => "unix:${rrdcached_socket}"
605 if -S
$rrdcached_socket;
607 push @args, '--step', 60;
609 push @args, @$rrddef;
611 # print "TEST: " . join(' ', @args) . "\n";
614 my $err = RRDs
::error
;
615 die "RRD error: $err\n" if $err;
618 sub update_node_status_rrd
{
620 my $filename = "$rrd_dir/pmg-node-v1.rrd";
621 cond_create_rrd_file
($filename, $rrd_def_node);
623 my ($avg1, $avg5, $avg15) = PVE
::ProcFSTools
::read_loadavg
();
625 my $stat = PVE
::ProcFSTools
::read_proc_stat
();
627 my $netdev = PVE
::ProcFSTools
::read_proc_net_dev
();
629 my ($uptime) = PVE
::ProcFSTools
::read_proc_uptime
();
631 my $cpuinfo = PVE
::ProcFSTools
::read_cpuinfo
();
633 my $maxcpu = $cpuinfo->{cpus
};
635 # traffic from/to physical interface cards
638 foreach my $dev (keys %$netdev) {
639 next if $dev !~ m/^eth\d+$/;
640 $netin += $netdev->{$dev}->{receive
};
641 $netout += $netdev->{$dev}->{transmit
};
644 my $meminfo = PVE
::ProcFSTools
::read_meminfo
();
646 my $dinfo = df
('/', 1); # output is bytes
650 # everything not free is considered to be used
651 my $dused = $dinfo->{blocks
} - $dinfo->{bfree
};
653 my $data = "$ctime:$avg1:$maxcpu:$stat->{cpu}:$stat->{wait}:" .
654 "$meminfo->{memtotal}:$meminfo->{memused}:" .
655 "$meminfo->{swaptotal}:$meminfo->{swapused}:" .
656 "$dinfo->{blocks}:$dused:$netin:$netout";
659 my @args = ($filename);
661 push @args, "--daemon" => "unix:${rrdcached_socket}"
662 if -S
$rrdcached_socket;
666 # print "TEST: " . join(' ', @args) . "\n";
669 my $err = RRDs
::error
;
670 die "RRD error: $err\n" if $err;