1 #!/usr/bin/perl
2 #===============================================================================
3 #
4 # FILE: gosa-server
5 #
6 # USAGE: gosa-si-client
7 #
8 # DESCRIPTION:
9 #
10 # OPTIONS: ---
11 # REQUIREMENTS: libnetaddr-ip-perl
12 # BUGS: ---
13 # NOTES:
14 # AUTHOR: (Andreas Rettenberger), <rettenberger@gonicus.de>
15 # COMPANY:
16 # VERSION: 1.0
17 # CREATED: 12.09.2007 08:54:41 CEST
18 # REVISION: ---
19 #===============================================================================
21 my $client_version = '$HeadURL$:$Rev$';
23 use strict;
24 use warnings;
25 use Getopt::Long;
26 use Config::IniFiles;
27 use POSIX;
28 use Time::HiRes qw( gettimeofday );
30 use POE qw(Component::Server::TCP Wheel::FollowTail Wheel::Run);
31 use IO::Socket::INET;
32 use NetAddr::IP;
33 use Data::Dumper;
34 use Crypt::Rijndael;
35 use GOSA::GosaSupportDaemon;
36 use Digest::MD5 qw(md5_hex md5 md5_base64);
37 use MIME::Base64;
38 use XML::Simple;
39 use File::Basename;
40 use File::Spec;
41 use Fcntl;
43 # Workaround: need pure perl to make it work with UTF-8 :-(
44 $XML::Simple::PREFERRED_PARSER= "XML::SAX::PurePerl";
46 my $client_headURL;
47 my $client_revision;
48 my $client_status;
49 my $event_dir = "/usr/lib/gosa-si/client/events";
50 use lib "/usr/lib/gosa-si/client/events";
52 my (%cfg_defaults, $foreground, $verbose, $pid_file, $procid, $pid, $log_file, $fai_logpath);
53 my ($server_ip, $server_port, $server_timeout, $server_domain, $server_key_lifetime);
54 my ($client_port, $ldap_enabled, $ldap_config, $pam_config, $nss_config);
55 my ($root_uid, $adm_gid);
56 my $xml;
57 my $event_hash;
58 my $default_server_key;
59 my @servers;
60 my $gotoHardwareChecksum;
61 my $gosa_si_client_fifo;
62 my %files_to_watch;
63 my $servers_string;
64 $verbose= 1;
66 # globalise variables which are used in imported events
67 our $global_kernel;
68 our $cfg_file;
69 our $opts_file;
70 our $server_address;
71 our $client_address;
72 our $client_ip;
73 our $client_mac_address;
74 our $client_dnsname;
75 our $client_force_hostname;
76 our $server_key;
77 our $opts_dnslookup;
79 our $FIFO_FD = undef;
81 # default variables
82 our $REGISTERED = 0;
83 our $REGISTRATION_IN_PROGRESS = 0;
84 our $REGISTRATION_TRIES = 0;
85 our $FAILED_CRYPTO = 0;
87 # path to fifo for non-gosa-si-client messages to gosa-si-server
88 $gosa_si_client_fifo = "/var/run/gosa-si-client.socket";
89 %files_to_watch = (fifo => $gosa_si_client_fifo);
91 # in function register_at_gosa_si_server, after which period of seconds a new registration should be tried if a registration was
92 # not successful until now
93 my $delay_set_time = 10;
94 our $prg= basename($0);
96 # Threshold for the max number of wrong crypted packages, when triggered
97 # a new server is choosen
98 my $max_failed_crypto_messages = 5;
100 # all n seconds the client reports logged_in users to gosa-si-server
101 my $trigger_logged_in_users_report_delay = 600;
103 # all n seconds the client reports messages seen by user
104 my $trigger_seen_messages_delay = 30;
106 # directory where all log files from installation are stored
107 my $fai_log_dir = "/var/log/fai";
109 %cfg_defaults = (
110 "general" =>
111 {"log-file" => [\$log_file, "/var/run/".$prg.".log"],
112 "pid-file" => [\$pid_file, "/var/run/".$prg.".pid"],
113 "opts-file" => [\$opts_file, "/var/run/".$prg.".opts"],
114 },
115 "client" =>
116 {"port" => [\$client_port, "20083"],
117 "ip" => [\$client_ip, "0.0.0.0"],
118 "mac-address" => [\$client_mac_address, "00:00:00:00:00:00"],
119 "server-domain" => [\$server_domain, ""],
120 "ldap" => [\$ldap_enabled, 1],
121 "ldap-config" => [\$ldap_config, "/etc/ldap/ldap.conf"],
122 "pam-config" => [\$pam_config, "/etc/pam_ldap.conf"],
123 "nss-config" => [\$nss_config, "/etc/libnss-ldap.conf"],
124 "fai-logpath" => [\$fai_logpath, "/var/log/fai/fai.log"],
125 "force-hostname" => [\$client_force_hostname, "false"],
126 },
127 "server" => {
128 "ip" => [\$servers_string, "127.0.0.1"],
129 "port" => [\$server_port, "20081"],
130 "key" => [\$server_key, ""],
131 "timeout" => [\$server_timeout, 10],
132 "key-lifetime" => [\$server_key_lifetime, 600],
133 "dns-lookup" => [\$opts_dnslookup, "true"],
134 },
136 );
139 #=== FUNCTIONS = functions =====================================================
141 sub usage {
142 print STDERR << "EOF" ;
143 usage: $prg [-hvf] [-c config]
145 -h : this (help) message
146 -c <file> : config file
147 -f : foreground, process will not be forked to background
148 -v : be verbose (multiple to increase verbosity)
150 EOF
151 print "\n" ;
152 }
154 #=== FUNCTION ================================================================
155 # NAME: check_cmdline_param
156 # PARAMETERS:
157 # RETURNS:
158 # DESCRIPTION:
159 #===============================================================================
160 sub check_cmdline_param () {
161 my $err_config;
162 my $err_counter = 0;
163 if(not defined($cfg_file)) {
164 $cfg_file = "/etc/gosa-si/client.conf";
165 if(! -r $cfg_file) {
166 $err_config = "please specify a config file";
167 $err_counter += 1;
168 }
169 }
170 if( $err_counter > 0 ) {
171 &usage( "", 1 );
172 if( defined( $err_config)) { print STDERR "$err_config\n"}
173 print STDERR "\n";
174 exit( -1 );
175 }
176 }
178 #=== FUNCTION ================================================================
179 # NAME: check_pid
180 # PARAMETERS:
181 # RETURNS:
182 # DESCRIPTION:
183 #===============================================================================
184 sub check_pid {
185 $pid = -1;
186 # Check, if we are already running
187 if( open(LOCK_FILE, "<$pid_file") ) {
188 $pid = <LOCK_FILE>;
189 if( defined $pid ) {
190 chomp( $pid );
191 if( -f "/proc/$pid/stat" ) {
192 my($stat) = `cat /proc/$pid/stat` =~ m/$pid \((.+)\).*/;
193 if( $0 eq $stat ) {
194 close( LOCK_FILE );
195 exit -1;
196 }
197 }
198 }
199 close( LOCK_FILE );
200 unlink( $pid_file );
201 }
203 # create a syslog msg if it is not to possible to open PID file
204 if (not sysopen(LOCK_FILE, $pid_file, O_WRONLY|O_CREAT|O_EXCL, 0644)) {
205 my($msg) = "Couldn't obtain lockfile '$pid_file' ";
206 if (open(LOCK_FILE, '<', $pid_file)
207 && ($pid = <LOCK_FILE>))
208 {
209 chomp($pid);
210 $msg .= "(PID $pid)\n";
211 } else {
212 $msg .= "(unable to read PID)\n";
213 }
214 if( ! ($foreground) ) {
215 openlog( $0, "cons,pid", "daemon" );
216 syslog( "warning", $msg );
217 closelog();
218 }
219 else {
220 print( STDERR " $msg " );
221 }
222 exit( -1 );
223 }
224 }
226 sub clean_shutdown
227 {
228 unlink($pid_file) if (-w $pid_file);
229 unlink($gosa_si_client_fifo) if (-S $gosa_si_client_fifo);
230 }
232 sub sig_int_or_term_handler
233 {
234 my ($signal) = @_;
235 daemon_log("Got SIG${signal} - shutting down gosa-si-client", 1);
236 clean_shutdown();
237 POE::Kernel->signal('client_session', 'KILL');
238 POE::Kernel->signal('gosa-si-client', 'KILL');
239 return 1;
240 }
242 sub sig_warn_handler
243 {
244 my @loc = caller(0);
245 daemon_log( "SIGWARN line " . $loc[2] . ": " . $_[0], 1 );
246 return 1;
247 }
249 sub sig_die_handler
250 {
251 my @loc = caller(0);
252 daemon_log( "SIGDIE line " . $loc[2] . ": " . $_[0], 1 );
253 clean_shutdown();
254 return 1;
255 }
257 $SIG{'INT'} = \&sig_int_or_term_handler;
258 $SIG{'TERM'} = \&sig_int_or_term_handler;
259 $SIG{'__WARN__'} = \&sig_warn_handler;
260 $SIG{'__DIE__'} = \&sig_die_handler;
261 $SIG{'USR1'} = 'IGNORE';
262 $SIG{'USR2'} = 'IGNORE';
264 #=== FUNCTION ================================================================
265 # NAME: logging
266 # PARAMETERS: level - string - default 'info'
267 # msg - string -
268 # facility - string - default 'LOG_DAEMON'
269 # RETURNS:
270 # DESCRIPTION:
271 #===============================================================================
272 sub daemon_log {
273 # log into log_file
274 my( $msg, $level ) = @_;
275 if(not defined $msg) { return }
276 if(not defined $level) { $level = 1 }
277 if(defined $log_file){
278 my $open_log_fh = sysopen(LOG_HANDLE, $log_file, O_WRONLY | O_CREAT | O_APPEND , 0440);
279 if(not $open_log_fh) {
280 print STDERR "cannot open $log_file: $!";
281 return;
282 }
283 # check owner and group of log_file and update settings if necessary
284 my ($dev, $ino, $mode, $nlink, $uid, $gid, $rdev, $size, $atime, $mtime, $ctime, $blksize, $blocks) = stat($log_file);
285 if((not $uid eq $root_uid) || (not $gid eq $adm_gid)) {
286 chown($root_uid, $adm_gid, $log_file);
287 }
289 chomp($msg);
290 if($level <= $verbose){
291 my ($seconds, $minutes, $hours, $monthday, $month,
292 $year, $weekday, $yearday, $sommertime) = localtime(time);
293 $hours = $hours < 10 ? $hours = "0".$hours : $hours;
294 $minutes = $minutes < 10 ? $minutes = "0".$minutes : $minutes;
295 $seconds = $seconds < 10 ? $seconds = "0".$seconds : $seconds;
296 my @monthnames = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
297 $month = $monthnames[$month];
298 $monthday = $monthday < 10 ? $monthday = "0".$monthday : $monthday;
299 $year+=1900;
301 my $log_msg = "$month $monthday $hours:$minutes:$seconds $prg $msg\n";
302 print LOG_HANDLE $log_msg;
303 if( $foreground ) {
304 print STDERR $log_msg;
305 }
306 }
307 close( LOG_HANDLE );
308 }
309 }
312 #=== FUNCTION ================================================================
313 # NAME: get_mac
314 # PARAMETERS: interface name (i.e. eth0)
315 # RETURNS: (mac address)
316 # DESCRIPTION: Uses ioctl to get mac address directly from system.
317 #===============================================================================
318 sub get_mac {
319 my $ifreq= shift;
320 my $result;
321 if ($ifreq && length($ifreq) > 0) {
322 if($ifreq eq "all") {
323 if(defined($server_ip)) {
324 $result = &get_local_mac_for_remote_ip($server_ip);
325 }
326 elsif ($client_mac_address && length($client_mac_address) > 0 && !($client_mac_address eq "00:00:00:00:00:00")){
327 $result = &client_mac_address;
328 }
329 else {
330 $result = "00:00:00:00:00:00";
331 }
332 } else {
333 my $SIOCGIFHWADDR= 0x8927; # man 2 ioctl_list
335 # A configured MAC Address should always override a guessed value
336 if ($client_mac_address and length($client_mac_address) > 0 and not($client_mac_address eq "00:00:00:00:00:00")) {
337 $result= $client_mac_address;
338 }
339 else {
340 socket SOCKET, PF_INET, SOCK_DGRAM, getprotobyname('ip')
341 or die "socket: $!";
343 if(ioctl SOCKET, $SIOCGIFHWADDR, $ifreq) {
344 my ($if, $mac)= unpack 'h36 H12', $ifreq;
346 if (length($mac) > 0) {
347 $mac=~ m/^([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])$/;
348 $mac= sprintf("%s:%s:%s:%s:%s:%s", $1, $2, $3, $4, $5, $6);
349 $result = $mac;
350 }
351 }
352 }
353 }
354 }
355 return $result;
356 }
359 #=== FUNCTION ================================================================
360 # NAME: get_local_mac_for_remote_ip
361 # PARAMETERS: none (takes server_ip from global variable)
362 # RETURNS: (ip address from interface that is used for communication)
363 # DESCRIPTION: Uses ioctl to get routing table from system, checks which entry
364 # matches (defaultroute last).
365 #===============================================================================
366 sub get_local_mac_for_remote_ip {
367 my $server_ip= shift;
368 my $result= "00:00:00:00:00:00";
370 if($server_ip =~ /^[a-z][a-z0-9\.]$/i) {
371 my $ip_address = inet_ntoa(scalar gethostbyname($server_ip));
372 if(defined($ip_address) && $ip_address =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/) {
373 # Write ip address to $server_ip variable
374 $server_ip = $ip_address;
375 }
376 }
378 if($server_ip =~ /^(\d\d?\d?\.){3}\d\d?\d?$/) {
379 my $PROC_NET_ROUTE= ('/proc/net/route');
381 open(PROC_NET_ROUTE, "<$PROC_NET_ROUTE")
382 or die "Could not open $PROC_NET_ROUTE";
384 my @ifs = <PROC_NET_ROUTE>;
386 close(PROC_NET_ROUTE);
388 # Eat header line
389 shift @ifs;
390 chomp @ifs;
391 foreach my $line(@ifs) {
392 my ($Iface,$Destination,$Gateway,$Flags,$RefCnt,$Use,$Metric,$Mask,$MTU,$Window,$IRTT)=split(/\s/, $line);
393 my $destination;
394 my $mask;
395 my ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Destination);
396 $destination= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
397 ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Mask);
398 $mask= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
399 if(new NetAddr::IP($server_ip)->within(new NetAddr::IP($destination, $mask))) {
400 # destination matches route, save mac and exit
401 $result= &get_mac($Iface);
402 last;
403 }
404 }
405 } else {
406 daemon_log("get_local_mac_for_remote_ip was called with a non-ip parameter: $server_ip", 1);
407 }
408 return $result;
409 }
412 sub generate_hw_digest {
413 my $hw_data;
414 foreach my $line (split /\n/, `cat /proc/bus/pci/devices`) {
415 $hw_data.= sprintf "%s", $line =~ /[^\s]+\s([^\s]+)\s.*/;
416 }
417 return(md5_base64($hw_data));
418 }
421 sub create_ciphering {
422 my ($passwd) = @_;
423 if((!defined($passwd)) || length($passwd)==0) {
424 $passwd = "";
425 }
426 $passwd = substr(md5_hex("$passwd") x 32, 0, 32);
427 my $iv = substr(md5_hex('GONICUS GmbH'),0, 16);
428 my $my_cipher = Crypt::Rijndael->new($passwd , Crypt::Rijndael::MODE_CBC());
429 $my_cipher->set_iv($iv);
430 return $my_cipher;
431 }
434 sub encrypt_msg {
435 my ($msg, $key) = @_;
436 my $my_cipher = &create_ciphering($key);
437 my $len;
438 {
439 use bytes;
440 $len= 16-length($msg)%16;
441 }
442 $msg = "\0"x($len).$msg;
443 $msg = $my_cipher->encrypt($msg);
444 chomp($msg = &encode_base64($msg));
445 # there are no newlines allowed inside msg
446 $msg=~ s/\n//g;
447 return $msg;
448 }
451 sub decrypt_msg {
453 my ($msg, $key) = @_ ;
454 $msg = &decode_base64($msg);
455 my $my_cipher = &create_ciphering($key);
456 $msg = $my_cipher->decrypt($msg);
457 $msg =~ s/\0*//g;
458 return $msg;
459 }
462 #=== FUNCTION ================================================================
463 # NAME: send_msg_hash_to_target
464 # PARAMETERS: msg_hash - hash - xml_hash created with function create_xml_hash
465 # PeerAddr string - socket address to send msg
466 # PeerPort string - socket port, if not included in socket address
467 # RETURNS: nothing
468 # DESCRIPTION: ????
469 #===============================================================================
470 sub send_msg_hash_to_target {
471 my ($msg_hash, $address, $encrypt_key) = @_ ;
472 my $msg = &create_xml_string($msg_hash);
473 my $header = @{$msg_hash->{'header'}}[0];
474 my $error = &send_msg_to_target($msg, $address, $encrypt_key, $header);
476 return $error;
477 }
480 sub send_msg_to_target {
481 my ($msg, $address, $encrypt_key, $msg_header) = @_ ;
482 my $error = 0;
484 if( $msg_header ) { $msg_header = "'$msg_header'-"; }
485 else { $msg_header = ""; }
487 # Memorize own source address
488 $msg =~ /<source>(\S+)<\/source>/;
489 my $own_source_address = $1;
491 # encrypt xml msg
492 my $crypted_msg = &encrypt_msg($msg, $encrypt_key);
494 # opensocket
495 my $socket = &open_socket($address);
496 if( !$socket ) {
497 daemon_log("WARNING: cannot send ".$msg_header."msg to $address , host not reachable", 3);
498 if ($REGISTERED == 1) {
499 $REGISTERED = 0; # if server is not available, cause reregistering
500 daemon_log("INFO: cause reregistering at gosa-si-server", 5);
501 $global_kernel->post('client_session', 'register_at_gosa_si_server');
503 }
504 $error++;
505 }
507 # send xml msg
508 if( $error == 0 ) {
509 print $socket $crypted_msg.";$own_source_address\n";
510 daemon_log("INFO: send ".$msg_header."msg to $address", 5);
511 daemon_log("DEBUG: message:\n$msg", 9);
512 }
514 # close socket in any case
515 if( $socket ) {
516 close $socket;
517 }
519 return $error;
520 }
523 sub write_to_file {
524 my ($string, $file) = @_;
525 my $error = 0;
527 if( not defined $file || not -f $file ) {
528 &main::daemon_log("ERROR: $prg: check '-f file' failed: $file", 1);
529 $error++;
530 }
531 if( not defined $string || 0 == length($string)) {
532 &main::daemon_log("ERROR: $prg: empty string to write to file '$file'", 1);
533 $error++;
534 }
536 if( $error == 0 ) {
538 chomp($string);
540 if (open(FILE, ">> $file")){
541 print FILE $string."\n";
542 close(FILE);
543 }
544 }
546 return;
547 }
550 sub open_socket {
551 my ($PeerAddr, $PeerPort) = @_ ;
552 if(defined($PeerPort)){
553 $PeerAddr = $PeerAddr.":".$PeerPort;
554 }
555 my $socket;
556 $socket = new IO::Socket::INET(PeerAddr => $PeerAddr,
557 Porto => "tcp",
558 Type => SOCK_STREAM,
559 Timeout => 5,
560 );
561 if(not defined $socket) {
562 return;
563 }
564 &daemon_log("DEBUG: open_socket: $PeerAddr", 7);
565 return $socket;
566 }
569 #=== FUNCTION ================================================================
570 # NAME: register_at_server
571 # PARAMETERS:
572 # RETURNS:
573 # DESCRIPTION:
574 #===============================================================================
575 sub register_at_gosa_si_server {
576 my ($kernel) = $_[KERNEL];
578 # if client is already registered, stop registration process
579 if ($REGISTERED) {
580 $kernel->delay('register_at_gosa_si_server');
582 # client is not registered, start registration process
583 } else {
584 $REGISTRATION_IN_PROGRESS = 1;
586 # clear all other triggered events and wait till registration was successful
587 $kernel->delay('trigger_new_key');
589 # create new passwd and ciphering object for client-server communication
590 $server_key = &create_passwd();
592 my $events = join( ",", keys %{$event_hash} );
593 while(1) {
594 $REGISTRATION_TRIES++;
596 # fetch first gosa-si-server from @servers
597 # append shifted gosa-si-server at the end of @servers, so looking for servers never stop if
598 # a registration never occured
599 my $server = shift(@servers);
600 push(@servers, $server);
601 ($server_ip = $server) =~ s/:.*$//;
602 $server_address = $server;
604 # Check if our ip is resolvable - if not: don't try to register
605 if(!(defined($server) && $server =~ m/^[0-9\.]*?:.*$/)) {
606 &main::daemon_log("ERROR: Server with address '".defined($server)?$server:""."' is invalid!", 1);
607 if (scalar(@servers) == 1) {
608 &main::daemon_log("ERROR: No valid servers found!", 1);
609 exit(1);
610 }
611 }
613 # Check if our ip is resolvable - if not: don't try to register
614 my $ip= &get_local_ip_for_remote_ip(sprintf("%s", $server =~ /^([0-9\.]*?):.*$/));
615 my $dnsname= gethostbyaddr(inet_aton($ip), AF_INET);
616 if(!defined($dnsname)) {
617 if( defined($client_force_hostname) && $client_force_hostname eq "true") {
618 $dnsname = `hostname`;
619 } else {
620 &write_to_file("goto-error-dns:$ip", $fai_logpath);
621 &main::daemon_log("ERROR: ip is not resolvable, no registration possible. Write 'goto-error-dns:$ip' to $fai_logpath", 1);
622 exit(1);
623 }
624 }
626 # create registration msg
627 my $local_ip = &get_local_ip_for_remote_ip(sprintf("%s", $server =~ /^([0-9\.]*?):.*$/));
628 my $local_mac = &get_local_mac_for_remote_ip(sprintf("%s", $server =~ /^([0-9\.]*?):.*$/));
629 my $register_hash = &create_xml_hash("here_i_am", $local_ip.":".$client_port, $server);
630 &add_content2xml_hash($register_hash, "new_passwd", $server_key);
631 &add_content2xml_hash($register_hash, "mac_address", $local_mac);
632 &add_content2xml_hash($register_hash, "events", $events);
633 &add_content2xml_hash($register_hash, "client_status", $client_status);
634 &add_content2xml_hash($register_hash, "client_revision", $client_revision);
635 &add_content2xml_hash($register_hash, "gotoHardwareChecksum", $gotoHardwareChecksum);
636 &add_content2xml_hash($register_hash, "key_lifetime", $server_key_lifetime);
638 # Add $HOSTNAME from ENV if force-hostname is set
639 if( defined($client_force_hostname) && $client_force_hostname eq "true") {
640 if(defined($ENV{HOSTNAME}) && length($ENV{HOSTNAME}) >0 ) {
641 &add_content2xml_hash($register_hash, "force-hostname", $ENV{HOSTNAME});
642 } else {
643 &main::daemon_log("force-hostname was set to true, but no \$HOSTNAME was found in Environment!",0);
644 }
645 }
647 # send xml hash to server with general server passwd
648 my $res = &send_msg_hash_to_target($register_hash, $server, $default_server_key);
650 # if delivery of registration msg succeed
651 if(defined($res) and $res eq "0") {
652 # reset try_to_register
653 $REGISTRATION_TRIES = 0;
655 # Set fixed client address and mac address
656 $client_ip= &get_local_ip_for_remote_ip(sprintf("%s", $server =~ /^([0-9\.]*?):.*$/));
657 $client_address= "$client_ip:$client_port";
658 $client_mac_address = $local_mac;
659 $client_dnsname = $dnsname;
660 last;
662 # delivery of registration msg failed
663 } elsif($REGISTRATION_TRIES >= scalar(@servers)) {
664 last;
665 }
667 } # end of while
668 # one circle through all servers finished and no registration succeed
669 if ( $REGISTRATION_TRIES >= (scalar(@servers)) ) {
670 &write_to_file("gosa-si-no-server-available", $fai_logpath);
671 $kernel->delay_set('register_at_gosa_si_server', $delay_set_time);
673 # delivery of registraion msg succeed, waiting for server response
674 } else {
675 daemon_log("INFO: waiting for msg 'register_at_gosa_si_server'",5);
676 $kernel->delay_set('register_at_gosa_si_server', $delay_set_time);
677 # clear old settings and set it again
678 $kernel->delay('trigger_new_key');
679 $kernel->delay_set('trigger_new_key', $server_key_lifetime);
680 }
682 }
683 return;
684 }
687 sub check_key_and_xml_validity {
688 my ($crypted_msg, $module_key) = @_;
690 my $msg;
691 my $msg_hash;
692 eval{
693 $msg = &decrypt_msg($crypted_msg, $module_key);
694 &main::daemon_log("decrypted_msg: \n$msg", 9);
696 $msg_hash = $xml->XMLin($msg, ForceArray=>1);
698 ##############
699 # check header
700 my $header_l = $msg_hash->{'header'};
701 if( 1 != @{$header_l} ) {
702 die 'no or more headers specified';
703 }
704 my $header = @{$header_l}[0];
705 if( 0 == length $header) {
706 die 'header has length 0';
707 }
709 ##############
710 # check source
711 my $source_l = $msg_hash->{'source'};
712 if( 1 != @{$source_l} ) {
713 die 'no or more than 1 sources specified';
714 }
715 my $source = @{$source_l}[0];
716 if( 0 == length $source) {
717 die 'source has length 0';
718 }
719 unless( $source =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ) {
720 die "source '$source' is neither a complete ip-address with port nor 'GOSA'";
721 }
723 ##############
724 # check target
725 my $target_l = $msg_hash->{'target'};
726 if( 1 != @{$target_l} ) {
727 die 'no or more than 1 targets specified ';
728 }
729 my $target = @{$target_l}[0];
730 if( 0 == length $target) {
731 die 'target has length 0 ';
732 }
733 unless( $target =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ){
734 die "source is neither a complete ip-address with port nor 'GOSA'";
735 }
736 };
737 if($@) {
738 &main::daemon_log("WARNING: do not understand the message or msg is not gosa-si envelope conform:", 5);
739 &main::daemon_log("$@", 8);
740 $msg = undef;
741 $msg_hash = undef;
742 }
744 return ($msg, $msg_hash);
745 }
748 sub check_outgoing_xml_validity {
749 my ($msg) = @_;
751 my $msg_hash;
752 eval{
753 $msg_hash = $xml->XMLin($msg, ForceArray=>1);
755 ##############
756 # check header
757 my $header_l = $msg_hash->{'header'};
758 if( 1 != @{$header_l} ) {
759 die 'no or more than one headers specified';
760 }
761 my $header = @{$header_l}[0];
762 if( 0 == length $header) {
763 die 'header has length 0';
764 }
766 ##############
767 # check source
768 my $source_l = $msg_hash->{'source'};
769 if( 1 != @{$source_l} ) {
770 die 'no or more than 1 sources specified';
771 }
772 my $source = @{$source_l}[0];
773 if( 0 == length $source) {
774 die 'source has length 0';
775 }
776 unless( $source =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ||
777 $source =~ /^GOSA$/i ) {
778 die "source '$source' is neither a complete ip-address with port";
779 }
781 ##############
782 # check target
783 my $target_l = $msg_hash->{'target'};
784 if( 1 != @{$target_l} ) {
785 die "no or more than one targets specified";
786 }
787 foreach my $target (@$target_l) {
788 if( 0 == length $target) {
789 die "target has length 0";
790 }
791 unless( $target =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ) {
792 die "target '$target' is not a complete ip-address with port or a valid target name";
793 }
794 }
795 };
796 if($@) {
797 daemon_log("WARNING: outgoing msg is not gosa-si envelope conform", 5);
798 daemon_log("$@ $msg", 8);
799 $msg_hash = undef;
800 }
801 return ($msg_hash);
802 }
805 sub trigger_new_key {
806 my ($kernel) = $_[KERNEL] ;
808 my $msg = "<xml><header>new_key</header><source>$client_address</source><target>$client_address</target></xml>";
809 &send_msg_to_target($msg, $client_address, $server_key, 'new_key');
811 $kernel->delay_set('trigger_new_key', $server_key_lifetime);
812 }
815 sub trigger_logged_in_users_report {
816 my ($kernel) = $_[KERNEL] ;
818 # just do if client is registered already
819 if( $REGISTERED ) {
820 my $result = qx(/usr/bin/users);
821 my @logged_in_user_list;
822 if( defined $result ) {
823 chomp($result);
824 @logged_in_user_list = split(/\s/, $result);
825 }
827 $FIFO_FD = undef
828 if (! defined $FIFO_FD && ! defined open($FIFO_FD, '>', $gosa_si_client_fifo));
829 if (! defined $FIFO_FD) {
830 daemon_log("ERROR: unable to open fifo for writing: $!", 1);
831 $kernel->delay_set('trigger_logged_in_users_report', 30);
832 }
833 else {
834 print($FIFO_FD 'CURRENTLY_LOGGED_IN ' . join(" ", @logged_in_user_list));
835 $kernel->delay_set('trigger_logged_in_users_report', $trigger_logged_in_users_report_delay);
836 }
837 } else {
838 # try it in 10 sec again
839 $kernel->delay_set('trigger_logged_in_users_report', 10);
840 }
841 }
844 sub trigger_seen_messages {
845 my ($kernel) = $_[KERNEL] ;
847 # Select all files under /tmp with prefix 'goto_notify'
848 my $goto_dir = "/tmp";
849 opendir(DIR, $goto_dir);
850 my @goto_files = grep { /.goto_notify$/ && -f "$goto_dir/$_" } readdir(DIR);
851 closedir DIR;
853 # Check if file has 'seen' tag
854 foreach my $goto_file (@goto_files) {
855 open(FILE, "$goto_dir/$goto_file");
856 my @lines = <FILE>;
857 close FILE;
859 my $source;
860 my $target;
861 my $usr;
862 my $subject;
863 my $message;
864 my $seen = 0;
865 chomp(@lines);
866 foreach my $line (@lines) {
867 if ($line =~ /^source:([\S\s]*)$/) {
868 $source = $1
869 }
870 if ($line =~ /^target:([\S\s]*)$/) {
871 $target = $1;
872 }
873 if ($line =~ /^usr:([\S\s]*)$/) {
874 $usr = $1;
875 }
876 if ($line =~ /^subject:([\S\s]*)$/) {
877 $subject = $1;
878 }
879 if ($line =~ /^message:([\S\s]*)$/) {
880 $message = $1;
881 }
882 if ($line =~ /^seen$/) {
883 $seen++;
884 }
885 }
887 # Send 'confirm_usr_msg' back to msg-hosting server
888 if ($seen) {
889 my %data = ('usr'=>$usr, 'subject'=>$subject, 'message'=>$message);
890 my $confirm_msg = &build_msg("confirm_usr_msg", $target, $source, \%data);
891 my $send_error = &send_msg_to_target($confirm_msg, $server_address, $server_key);
893 # Delete file
894 unlink("$goto_dir/$goto_file")
895 if (! $send_error);
896 }
897 }
899 $kernel->delay_set('trigger_seen_messages', $trigger_seen_messages_delay);
901 return;
902 }
905 sub generic_file_error {
906 my ( $heap, $operation, $errno, $error_string, $wheel_id ) =
907 @_[ HEAP, ARG0, ARG1, ARG2, ARG3 ];
909 my $service = $heap->{services}->{$wheel_id};
910 daemon_log("ERROR: '$service' watcher $operation error $errno: $error_string", 1);
911 daemon_log("ERROR: shutting down '$service' file watcher", 1);
913 delete $heap->{services}->{$wheel_id};
914 delete $heap->{watchers}->{$wheel_id};
915 return;
916 }
919 sub fifo_got_record {
920 my $file_record = $_[ARG0];
921 my $header;
922 my $content = "";
923 daemon_log("DEBUG: fifo got record: $file_record", 7);
925 $file_record =~ /^(\S+)[ ]?([\s\S]+)?$/;
926 if( defined $1 ) {
927 $header = $1;
928 } else {
929 return;
930 }
932 if( defined $2 ) {
933 $content = $2;
934 }
936 my $clmsg_hash = &create_xml_hash("CLMSG_$header", $client_address, $server_address, $content);
937 &add_content2xml_hash($clmsg_hash, "macaddress", $client_mac_address);
938 my $utc_ts = &main::get_utc_time();
939 &add_content2xml_hash($clmsg_hash, "timestamp", $utc_ts);
940 my $clmsg = &create_xml_string($clmsg_hash);
941 &send_msg_to_target($clmsg, $server_address, $server_key, "CLMSG_$header");
943 # if installation finished, save all log files
944 if ($file_record eq "TASKBEGIN savelog") {
945 &save_fai_log($fai_log_dir);
946 }
948 return;
949 }
952 sub save_fai_log {
953 my ($fai_log_dir) = @_ ;
954 my $FAI_DIR;
955 my $fai_action;
957 # Directory for log files after a softupdate
958 my $log_dir = File::Spec->catdir($fai_log_dir, "localhost/last");
960 if (not -d $log_dir) {
961 # Directory for log files after a new installation
962 $log_dir = "/tmp/fai";
963 if (not -d $log_dir) {
964 daemon_log("ERROR: cannot open directory $log_dir", 1);
965 return;
966 }
967 $fai_action = "install";
968 }
969 else {
970 # If we already have a logdir, we can assume that this is a softupdate
971 $fai_action = "softupdate";
972 }
974 opendir($FAI_DIR, "$log_dir");
975 my @log_files = readdir($FAI_DIR);
976 closedir($FAI_DIR);
978 my @log_list;
979 foreach my $log_file (@log_files) {
980 if( $log_file eq "." || $log_file eq ".." ) { next; }
982 my $log = "log_file:$log_file:";
983 $log_file = File::Spec->catfile( $log_dir, $log_file );
985 if (not -f $log_file) {
986 daemon_log("ERROR: cannot read $log_file", 1);
987 next;
988 }
990 open(FILE, "<$log_file");
991 my @lines = <FILE> ;
992 close (FILE);
993 my $log_string = join("", @lines);
994 $log .= &encode_base64($log_string);
995 push(@log_list, $log);
996 }
998 my $all_log_string = join("\n", @log_list);
999 my $msg_hash = &create_xml_hash("CLMSG_save_fai_log", $client_address, $server_address, $all_log_string);
1000 &add_content2xml_hash($msg_hash, "macaddress", $client_mac_address);
1001 &add_content2xml_hash($msg_hash, "fai_action", $fai_action);
1002 my $msg = &create_xml_string($msg_hash);
1003 &send_msg_to_target($msg, $server_address, $server_key, "CLMSG_save_fai_log");
1005 }
1008 sub _start {
1009 my ($kernel, $heap) = @_[KERNEL, HEAP];
1010 $kernel->alias_set('client_session');
1011 $global_kernel = $kernel; # this is used to throw events at each point of the skript
1013 # force a registration at a gosa-si-server
1014 $kernel->yield('register_at_gosa_si_server');
1016 # install all file watcher defined
1017 while( my($name, $file) = each %files_to_watch ) {
1018 my $watcher = POE::Wheel::FollowTail->new(
1019 Filename => $file,
1020 InputEvent => $name."_record",
1021 # ResetEvent => "file_reset",
1022 ErrorEvent => "file_error",
1023 );
1024 # $heap->{tail} = POE::Wheel::Run->new(
1025 # Program => [ "/usr/bin/tail", "-f", $file ],
1026 # StdoutEvent => $file_name."_record",
1027 # );
1028 $heap->{services}->{ $watcher->ID } = $name;
1029 $heap->{watchers}->{ $watcher->ID } = $watcher;
1030 }
1031 $kernel->yield('trigger_logged_in_users_report');
1032 $kernel->yield('trigger_seen_messages');
1033 }
1036 sub _stop {
1037 my ($kernel, $session, $heap) = @_[KERNEL, SESSION, HEAP];
1038 delete $heap->{'services'};
1039 delete $heap->{'watchers'};
1040 $kernel->alias_remove($heap->{alias});
1041 $kernel->alarm_remove_all();
1042 $kernel->post($heap->{child_session}, '_stop');
1043 close( $FIFO_FD ) if( defined $FIFO_FD );
1044 }
1047 sub _default {
1048 daemon_log("ERROR: can not handle incoming msg with header '$_[ARG0]'", 1);
1049 return;
1050 }
1053 sub server_input {
1054 my ($kernel, $heap, $input, $wheel) = @_[KERNEL, HEAP, ARG0, ARG1];
1055 my $remote_ip = $heap->{'remote_ip'},
1056 my $error = 0;
1057 my $answer;
1060 daemon_log("INFO: Incoming msg from '$remote_ip'", 5);
1061 daemon_log("DEBUG: Incoming msg:\n$input\n", 9);
1063 my ($msg, $msg_hash) = &check_key_and_xml_validity($input, $server_key);
1064 if( (!$msg) || (!$msg_hash) ) {
1065 daemon_log("WARNING: Deciphering of incoming msg failed", 3);
1066 if($server_address =~ /$remote_ip/) {
1067 # got a msg from gosa-si-server which can not be decrypted, may the secrete not up-to-date
1068 # cause a reregistering with a new secrete handshake
1069 daemon_log("WARNING: Message from gosa-si-server could not be understood, cause reregistering at server", 3);
1071 # if client is alread in a registration process, that means not registered, do nothing
1072 # if not, cause re-registration
1073 if ($REGISTRATION_IN_PROGRESS) {
1074 &daemon_log("WARNING: gosa-si-client is already in a registration process so ignore this message", 3);
1075 } else {
1076 if ($FAILED_CRYPTO > $max_failed_crypto_messages) {
1077 # Force usage of a new server
1078 daemon_log("Failed to decrypt a total of $max_failed_crypto_messages messages from the server. Trying to switch to another one", 3);
1079 $REGISTRATION_TRIES = $max_failed_crypto_messages;
1080 my $server = shift(@servers);
1081 push(@servers, $server);
1082 }
1083 $FAILED_CRYPTO++;
1084 $REGISTERED = 0;
1085 $kernel->post('client_session', 'register_at_gosa_si_server');
1086 }
1087 }
1088 $error++;
1089 }
1092 ######################
1093 # process incoming msg
1094 if( $error == 0 ) {
1095 # Reset failed crypto messages state
1096 $FAILED_CRYPTO = 0;
1098 my $header = @{$msg_hash->{header}}[0];
1099 my $source = @{$msg_hash->{source}}[0];
1101 if( exists $event_hash->{$header} ) {
1103 # a event exists with the header as name
1104 daemon_log("INFO: found event '$header' at event-module '".$event_hash->{$header}."'", 5);
1105 no strict 'refs';
1106 $answer = &{$event_hash->{$header}."::$header"}($msg, $msg_hash);
1107 }
1108 else {
1109 daemon_log("WARNING: no event '$header' found in event modules under $event_dir", 3);
1110 }
1111 }
1113 ########
1114 # answer
1115 if( $answer ) {
1117 #check gosa-si envelope validity
1118 my $answer_hash = &check_outgoing_xml_validity($answer);
1120 if( $answer_hash ) {
1121 # answer is valid
1123 # preprocessing
1124 if( $answer =~ "<header>registered</header>") {
1125 # set registered flag to true to stop sending further registered msgs
1126 $REGISTERED = 1;
1127 $REGISTRATION_IN_PROGRESS = 0;
1128 }
1129 else {
1130 $answer =~ /<header>(\S+)<\/header>/;
1131 &send_msg_to_target($answer, $server_address, $server_key, $1);
1132 }
1134 # postprocessing
1135 if( $answer =~ "<header>new_key</header>") {
1136 # set new key to global variable
1137 $answer =~ /<new_key>(\S*?)<\/new_key>/;
1138 my $new_key = $1;
1139 $server_key = $new_key;
1140 }
1141 }
1143 }
1145 return;
1146 }
1148 sub find_servers {
1149 # add gosa-si-server address from config file at first position of server list
1150 my $server_check_cfg = Config::IniFiles->new( -file => $cfg_file );
1152 # Parse servers string
1153 my @conf_servers = split(',', $servers_string);
1155 # Now search for fallback servers in the configuration
1156 foreach my $cur_server (@conf_servers) {
1157 # Remove spaces from the IP
1158 $cur_server =~ s/\s//g;
1160 my $ip = $cur_server;
1161 if(not $cur_server =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/) {
1162 my $ip_address = inet_ntoa(scalar gethostbyname($ip));
1163 if(defined($ip_address) && $ip_address =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/) {
1164 # Write ip address to $server_ip variable
1165 $ip = $ip_address;
1166 }
1167 }
1169 my $server_addr = sprintf("%s:%s", $ip, $server_port);
1170 if (not grep { $_ eq $server_addr } @servers) {
1171 push(@servers, $server_addr);
1172 }
1173 }
1175 my $servers_string = join(", ", @servers);
1176 daemon_log("INFO: found servers in configuration file: $servers_string", 1);
1178 # Last but not least search for fallback servers in the DNS
1179 if (defined($opts_dnslookup) and $opts_dnslookup eq "true") {
1180 my @tmp_servers;
1181 if ( !$server_domain) {
1182 # Try our DNS Searchlist
1183 my @domain_list = &get_dns_domains();
1184 my $tmp_domains;
1185 my $error_string;
1186 for my $domain (@domain_list) {
1187 chomp($domain);
1188 ($tmp_domains, $error_string) = &get_server_addresses($domain);
1189 if(@$tmp_domains) {
1190 for my $tmp_server(@$tmp_domains) {
1191 push @tmp_servers, $tmp_server;
1192 }
1193 }
1194 }
1196 if (0 == @tmp_servers) {
1197 daemon_log("INFO: No servers found in DNS.", 1);
1198 }
1199 else {
1200 my $servers_string = join(", ", @tmp_servers);
1201 daemon_log("INFO: found servers in DNS: $servers_string", 1);
1202 }
1203 } else {
1204 @tmp_servers = &get_server_addresses($server_domain);
1205 if( 0 == @tmp_servers ) {
1206 daemon_log("INFO: No servers found in DNS for domain '$server_domain'",1);
1207 }
1208 }
1210 if ( 0 != @tmp_servers ) {
1211 foreach my $server_addr (@tmp_servers) {
1212 if (not grep { $_ eq $server_addr } @servers) {
1213 push(@servers, $server_addr);
1214 }
1215 }
1216 }
1217 }
1219 if (0 == scalar(@servers)) {
1220 daemon_log("ERROR: No servers found in the configuration or DNS.", 1);
1221 exit(1);
1222 }
1224 # Define first server as server_ip
1225 $server_ip = $servers[0];
1227 # prepare variables
1228 if( inet_aton($server_ip) ){ $server_ip = inet_ntoa(inet_aton($server_ip)); }
1229 if (defined $server_ip && defined $server_port) {
1230 $server_address = $server_ip.":".$server_port;
1231 }
1232 }
1234 #==== MAIN = main ==============================================================
1235 # parse commandline options
1236 Getopt::Long::Configure( "bundling" );
1237 GetOptions("h|help" => \&usage,
1238 "c|config=s" => \$cfg_file,
1239 "f|foreground" => \$foreground,
1240 "v|verbose+" => \$verbose,
1241 );
1243 # read and set config parameters
1244 &check_cmdline_param ;
1245 &read_configfile($cfg_file, %cfg_defaults);
1246 &check_pid;
1248 # parse head url and revision from svn
1249 my $client_status_hash = { 'developmental'=>'revision', 'stable'=>'release'};
1250 $client_version =~ /^\$HeadURL: (\S+) \$:\$Rev: (\d+) \$$/;
1251 $client_headURL = defined $1 ? $1 : 'unknown' ;
1252 $client_revision = defined $2 ? $2 : 'unknown' ;
1253 if ($client_headURL =~ /\/tag\// ||
1254 $client_headURL =~ /\/branches\// ) {
1255 $client_status = "stable";
1256 } else {
1257 $client_status = "developmental" ;
1258 }
1260 # Determine root uid and adm gid, used for creating log files
1261 $root_uid = getpwnam('root');
1262 $adm_gid = getgrnam('adm');
1263 if(not defined $adm_gid){
1264 $adm_gid = getgrnam('root');
1265 }
1268 daemon_log(" ", 1);
1269 daemon_log("$prg started!", 1);
1270 daemon_log("INFO: status: $client_status", 1);
1271 daemon_log("INFO: ".$client_status_hash->{$client_status}.": $client_revision", 1);
1273 # delete old DBsqlite lock files
1274 system('rm -f /tmp/gosa_si_lock*gosa-si-client*');
1276 # (re-)create FIFO
1277 if (-e $gosa_si_client_fifo) {
1278 daemon_log("INFO: $gosa_si_client_fifo exists - deleting", 5);
1279 if (1 != unlink($gosa_si_client_fifo)) {
1280 daemon_log("ERROR: unable to delete '$gosa_si_client_fifo': $!", 1);
1281 exit( 1 );
1282 }
1283 }
1284 if (! defined POSIX::mkfifo($gosa_si_client_fifo, "0600")) {
1285 daemon_log("ERROR: failed creating fifo: $!", 1);
1286 exit( 1 );
1287 }
1289 # Just fork, if we are not in foreground mode
1290 if( ! $foreground ) {
1291 if (! chdir('/')) {
1292 daemon_log("ERROR: Can't chdir to /: $!");
1293 exit( 1 );
1294 }
1295 umask( 0 );
1296 $pid = fork;
1297 } else {
1298 $pid = $$;
1299 }
1301 if( 0 != $pid ) {
1302 # Parent: put our PID into the $pid_file
1303 open( LOCK_FILE, ">$pid_file" );
1304 print LOCK_FILE "$pid\n";
1305 close( LOCK_FILE );
1306 if( !$foreground ) {
1307 exit( 0 );
1308 }
1309 }
1310 else {
1311 # Child
1312 open( STDIN, '+>/dev/null' );
1313 open( STDOUT, '+>&STDIN' );
1314 open( STDERR, '+>&STDIN' );
1315 if (! POSIX::setsid()) {
1316 deamon_log("ERROR: Can't start a new session: $!", 1);
1317 exit( 1 );
1318 }
1319 $poe_kernel->has_forked() if ($poe_kernel->can('has_forked'));
1320 }
1322 # detect ip and mac address and complete host address
1323 $client_address = $client_ip.":".$client_port;
1324 my $network_interface= &get_interface_for_ip($client_ip);
1325 $client_mac_address= &get_mac($network_interface);
1326 daemon_log("INFO: ip address detected: $client_ip", 1);
1327 daemon_log("INFO: gosa-si-client mac address detected: $client_mac_address", 1);
1330 # import events
1331 my ($error, $result, $tmp_hash) = &import_events($event_dir);
1332 while (my ($module, $mod_event_hash) = each %$tmp_hash) {
1333 while (my ($event_name, $nothing) = each %$mod_event_hash) {
1334 $event_hash->{$event_name} = $module;
1335 }
1336 }
1338 foreach my $log_line (@$result) {
1339 if ($log_line =~ / succeed: /) {
1340 &main::daemon_log("0 DEBUG: $log_line", 7);
1341 } else {
1342 &main::daemon_log("0 ERROR: $log_line", 1);
1343 }
1344 }
1347 # compute hardware checksum
1348 $gotoHardwareChecksum= &generate_hw_digest();
1349 daemon_log("INFO: gotoHardwareChecksum detected: $gotoHardwareChecksum", 1);
1352 # create socket for incoming xml messages
1353 POE::Component::Server::TCP->new(
1354 Alias => 'gosa-si-client',
1355 Port => $client_port,
1356 ClientInput => \&server_input,
1357 );
1358 daemon_log("INFO: start socket for incoming xml messages at port '$client_port' ", 1);
1360 $xml = new XML::Simple();
1361 $default_server_key = $server_key;
1363 # Find servers from config and DNS
1364 &find_servers;
1366 POE::Session->create(
1367 inline_states => {
1368 _start => \&_start,
1369 _stop => \&_stop,
1370 _default => \&_default,
1371 register_at_gosa_si_server => \®ister_at_gosa_si_server,
1373 # trigger periodical tasks
1374 trigger_new_key => \&trigger_new_key,
1375 trigger_logged_in_users_report => \&trigger_logged_in_users_report,
1376 trigger_seen_messages => \&trigger_seen_messages,
1378 # handle records from each defined file differently
1379 fifo_record => \&fifo_got_record,
1381 # handle file resets and errors the same way for each file
1382 file_reset => \&generic_file_reset,
1383 file_error => \&generic_file_error,
1384 }
1385 );
1387 POE::Kernel->run();
1388 exit;