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 # default variables
80 our $REGISTERED = 0;
81 our $REGISTRATION_IN_PROGRESS = 0;
82 our $REGISTRATION_TRIES = 0;
83 our $FAILED_CRYPTO = 0;
85 # path to fifo for non-gosa-si-client messages to gosa-si-server
86 $gosa_si_client_fifo = "/var/run/gosa-si-client.socket";
87 %files_to_watch = (fifo => $gosa_si_client_fifo);
89 # in function register_at_gosa_si_server, after which period of seconds a new registration should be tried if a registration was
90 # not successful until now
91 my $delay_set_time = 10;
92 our $prg= basename($0);
94 # Threshold for the max number of wrong crypted packages, when triggered
95 # a new server is choosen
96 my $max_failed_crypto_messages = 5;
98 # all n seconds the client reports logged_in users to gosa-si-server
99 my $trigger_logged_in_users_report_delay = 600;
101 # all n seconds the client reports messages seen by user
102 my $trigger_seen_messages_delay = 30;
104 # directory where all log files from installation are stored
105 my $fai_log_dir = "/var/log/fai";
107 %cfg_defaults = (
108 "general" =>
109 {"log-file" => [\$log_file, "/var/run/".$prg.".log"],
110 "pid-file" => [\$pid_file, "/var/run/".$prg.".pid"],
111 "opts-file" => [\$opts_file, "/var/run/".$prg.".opts"],
112 },
113 "client" =>
114 {"port" => [\$client_port, "20083"],
115 "ip" => [\$client_ip, "0.0.0.0"],
116 "mac-address" => [\$client_mac_address, "00:00:00:00:00:00"],
117 "server-domain" => [\$server_domain, ""],
118 "ldap" => [\$ldap_enabled, 1],
119 "ldap-config" => [\$ldap_config, "/etc/ldap/ldap.conf"],
120 "pam-config" => [\$pam_config, "/etc/pam_ldap.conf"],
121 "nss-config" => [\$nss_config, "/etc/libnss-ldap.conf"],
122 "fai-logpath" => [\$fai_logpath, "/var/log/fai/fai.log"],
123 "force-hostname" => [\$client_force_hostname, "false"],
124 },
125 "server" => {
126 "ip" => [\$servers_string, "127.0.0.1"],
127 "port" => [\$server_port, "20081"],
128 "key" => [\$server_key, ""],
129 "timeout" => [\$server_timeout, 10],
130 "key-lifetime" => [\$server_key_lifetime, 600],
131 "dns-lookup" => [\$opts_dnslookup, "true"],
132 },
134 );
137 #=== FUNCTIONS = functions =====================================================
139 sub usage {
140 print STDERR << "EOF" ;
141 usage: $prg [-hvf] [-c config]
143 -h : this (help) message
144 -c <file> : config file
145 -f : foreground, process will not be forked to background
146 -v : be verbose (multiple to increase verbosity)
148 EOF
149 print "\n" ;
150 }
152 #=== FUNCTION ================================================================
153 # NAME: check_cmdline_param
154 # PARAMETERS:
155 # RETURNS:
156 # DESCRIPTION:
157 #===============================================================================
158 sub check_cmdline_param () {
159 my $err_config;
160 my $err_counter = 0;
161 if(not defined($cfg_file)) {
162 $cfg_file = "/etc/gosa-si/client.conf";
163 if(! -r $cfg_file) {
164 $err_config = "please specify a config file";
165 $err_counter += 1;
166 }
167 }
168 if( $err_counter > 0 ) {
169 &usage( "", 1 );
170 if( defined( $err_config)) { print STDERR "$err_config\n"}
171 print STDERR "\n";
172 exit( -1 );
173 }
174 }
176 #=== FUNCTION ================================================================
177 # NAME: check_pid
178 # PARAMETERS:
179 # RETURNS:
180 # DESCRIPTION:
181 #===============================================================================
182 sub check_pid {
183 $pid = -1;
184 # Check, if we are already running
185 if( open(LOCK_FILE, "<$pid_file") ) {
186 $pid = <LOCK_FILE>;
187 if( defined $pid ) {
188 chomp( $pid );
189 if( -f "/proc/$pid/stat" ) {
190 my($stat) = `cat /proc/$pid/stat` =~ m/$pid \((.+)\).*/;
191 if( $0 eq $stat ) {
192 close( LOCK_FILE );
193 exit -1;
194 }
195 }
196 }
197 close( LOCK_FILE );
198 unlink( $pid_file );
199 }
201 # create a syslog msg if it is not to possible to open PID file
202 if (not sysopen(LOCK_FILE, $pid_file, O_WRONLY|O_CREAT|O_EXCL, 0644)) {
203 my($msg) = "Couldn't obtain lockfile '$pid_file' ";
204 if (open(LOCK_FILE, '<', $pid_file)
205 && ($pid = <LOCK_FILE>))
206 {
207 chomp($pid);
208 $msg .= "(PID $pid)\n";
209 } else {
210 $msg .= "(unable to read PID)\n";
211 }
212 if( ! ($foreground) ) {
213 openlog( $0, "cons,pid", "daemon" );
214 syslog( "warning", $msg );
215 closelog();
216 }
217 else {
218 print( STDERR " $msg " );
219 }
220 exit( -1 );
221 }
222 }
224 sub clean_shutdown
225 {
226 unlink($pid_file) if (-w $pid_file);
227 unlink($gosa_si_client_fifo) if (-S $gosa_si_client_fifo);
228 }
230 sub sig_int_or_term_handler
231 {
232 my ($signal) = @_;
233 daemon_log("Got SIG${signal} - shutting down gosa-si-client", 1);
234 clean_shutdown();
235 POE::Kernel->signal('client_session', 'KILL');
236 POE::Kernel->signal('gosa-si-client', 'KILL');
237 return 1;
238 }
240 sub sig_warn_handler
241 {
242 my @loc = caller(0);
243 daemon_log( "SIGWARN line " . $loc[2] . ": " . $_[0], 1 );
244 return 1;
245 }
247 $SIG{'INT'} = \&sig_int_or_term_handler;
248 $SIG{'TERM'} = \&sig_int_or_term_handler;
249 $SIG{'__WARN__'} = \&sig_warn_handler;
250 $SIG{'USR1'} = 'IGNORE';
251 $SIG{'USR2'} = 'IGNORE';
253 #=== FUNCTION ================================================================
254 # NAME: logging
255 # PARAMETERS: level - string - default 'info'
256 # msg - string -
257 # facility - string - default 'LOG_DAEMON'
258 # RETURNS:
259 # DESCRIPTION:
260 #===============================================================================
261 sub daemon_log {
262 # log into log_file
263 my( $msg, $level ) = @_;
264 if(not defined $msg) { return }
265 if(not defined $level) { $level = 1 }
266 if(defined $log_file){
267 my $open_log_fh = sysopen(LOG_HANDLE, $log_file, O_WRONLY | O_CREAT | O_APPEND , 0440);
268 if(not $open_log_fh) {
269 print STDERR "cannot open $log_file: $!";
270 return;
271 }
272 # check owner and group of log_file and update settings if necessary
273 my ($dev, $ino, $mode, $nlink, $uid, $gid, $rdev, $size, $atime, $mtime, $ctime, $blksize, $blocks) = stat($log_file);
274 if((not $uid eq $root_uid) || (not $gid eq $adm_gid)) {
275 chown($root_uid, $adm_gid, $log_file);
276 }
278 chomp($msg);
279 if($level <= $verbose){
280 my ($seconds, $minutes, $hours, $monthday, $month,
281 $year, $weekday, $yearday, $sommertime) = localtime(time);
282 $hours = $hours < 10 ? $hours = "0".$hours : $hours;
283 $minutes = $minutes < 10 ? $minutes = "0".$minutes : $minutes;
284 $seconds = $seconds < 10 ? $seconds = "0".$seconds : $seconds;
285 my @monthnames = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
286 $month = $monthnames[$month];
287 $monthday = $monthday < 10 ? $monthday = "0".$monthday : $monthday;
288 $year+=1900;
290 my $log_msg = "$month $monthday $hours:$minutes:$seconds $prg $msg\n";
291 print LOG_HANDLE $log_msg;
292 if( $foreground ) {
293 print STDERR $log_msg;
294 }
295 }
296 close( LOG_HANDLE );
297 }
298 }
301 #=== FUNCTION ================================================================
302 # NAME: get_mac
303 # PARAMETERS: interface name (i.e. eth0)
304 # RETURNS: (mac address)
305 # DESCRIPTION: Uses ioctl to get mac address directly from system.
306 #===============================================================================
307 sub get_mac {
308 my $ifreq= shift;
309 my $result;
310 if ($ifreq && length($ifreq) > 0) {
311 if($ifreq eq "all") {
312 if(defined($server_ip)) {
313 $result = &get_local_mac_for_remote_ip($server_ip);
314 }
315 elsif ($client_mac_address && length($client_mac_address) > 0 && !($client_mac_address eq "00:00:00:00:00:00")){
316 $result = &client_mac_address;
317 }
318 else {
319 $result = "00:00:00:00:00:00";
320 }
321 } else {
322 my $SIOCGIFHWADDR= 0x8927; # man 2 ioctl_list
324 # A configured MAC Address should always override a guessed value
325 if ($client_mac_address and length($client_mac_address) > 0 and not($client_mac_address eq "00:00:00:00:00:00")) {
326 $result= $client_mac_address;
327 }
328 else {
329 socket SOCKET, PF_INET, SOCK_DGRAM, getprotobyname('ip')
330 or die "socket: $!";
332 if(ioctl SOCKET, $SIOCGIFHWADDR, $ifreq) {
333 my ($if, $mac)= unpack 'h36 H12', $ifreq;
335 if (length($mac) > 0) {
336 $mac=~ m/^([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])$/;
337 $mac= sprintf("%s:%s:%s:%s:%s:%s", $1, $2, $3, $4, $5, $6);
338 $result = $mac;
339 }
340 }
341 }
342 }
343 }
344 return $result;
345 }
348 #=== FUNCTION ================================================================
349 # NAME: get_local_mac_for_remote_ip
350 # PARAMETERS: none (takes server_ip from global variable)
351 # RETURNS: (ip address from interface that is used for communication)
352 # DESCRIPTION: Uses ioctl to get routing table from system, checks which entry
353 # matches (defaultroute last).
354 #===============================================================================
355 sub get_local_mac_for_remote_ip {
356 my $server_ip= shift;
357 my $result= "00:00:00:00:00:00";
359 if($server_ip =~ /^[a-z][a-z0-9\.]$/i) {
360 my $ip_address = inet_ntoa(scalar gethostbyname($server_ip));
361 if(defined($ip_address) && $ip_address =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/) {
362 # Write ip address to $server_ip variable
363 $server_ip = $ip_address;
364 }
365 }
367 if($server_ip =~ /^(\d\d?\d?\.){3}\d\d?\d?$/) {
368 my $PROC_NET_ROUTE= ('/proc/net/route');
370 open(PROC_NET_ROUTE, "<$PROC_NET_ROUTE")
371 or die "Could not open $PROC_NET_ROUTE";
373 my @ifs = <PROC_NET_ROUTE>;
375 close(PROC_NET_ROUTE);
377 # Eat header line
378 shift @ifs;
379 chomp @ifs;
380 foreach my $line(@ifs) {
381 my ($Iface,$Destination,$Gateway,$Flags,$RefCnt,$Use,$Metric,$Mask,$MTU,$Window,$IRTT)=split(/\s/, $line);
382 my $destination;
383 my $mask;
384 my ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Destination);
385 $destination= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
386 ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Mask);
387 $mask= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
388 if(new NetAddr::IP($server_ip)->within(new NetAddr::IP($destination, $mask))) {
389 # destination matches route, save mac and exit
390 $result= &get_mac($Iface);
391 last;
392 }
393 }
394 } else {
395 daemon_log("get_local_mac_for_remote_ip was called with a non-ip parameter: $server_ip", 1);
396 }
397 return $result;
398 }
401 sub generate_hw_digest {
402 my $hw_data;
403 foreach my $line (split /\n/, `cat /proc/bus/pci/devices`) {
404 $hw_data.= sprintf "%s", $line =~ /[^\s]+\s([^\s]+)\s.*/;
405 }
406 return(md5_base64($hw_data));
407 }
410 sub create_ciphering {
411 my ($passwd) = @_;
412 if((!defined($passwd)) || length($passwd)==0) {
413 $passwd = "";
414 }
415 $passwd = substr(md5_hex("$passwd") x 32, 0, 32);
416 my $iv = substr(md5_hex('GONICUS GmbH'),0, 16);
417 my $my_cipher = Crypt::Rijndael->new($passwd , Crypt::Rijndael::MODE_CBC());
418 $my_cipher->set_iv($iv);
419 return $my_cipher;
420 }
423 sub encrypt_msg {
424 my ($msg, $key) = @_;
425 my $my_cipher = &create_ciphering($key);
426 my $len;
427 {
428 use bytes;
429 $len= 16-length($msg)%16;
430 }
431 $msg = "\0"x($len).$msg;
432 $msg = $my_cipher->encrypt($msg);
433 chomp($msg = &encode_base64($msg));
434 # there are no newlines allowed inside msg
435 $msg=~ s/\n//g;
436 return $msg;
437 }
440 sub decrypt_msg {
442 my ($msg, $key) = @_ ;
443 $msg = &decode_base64($msg);
444 my $my_cipher = &create_ciphering($key);
445 $msg = $my_cipher->decrypt($msg);
446 $msg =~ s/\0*//g;
447 return $msg;
448 }
451 #=== FUNCTION ================================================================
452 # NAME: send_msg_hash_to_target
453 # PARAMETERS: msg_hash - hash - xml_hash created with function create_xml_hash
454 # PeerAddr string - socket address to send msg
455 # PeerPort string - socket port, if not included in socket address
456 # RETURNS: nothing
457 # DESCRIPTION: ????
458 #===============================================================================
459 sub send_msg_hash_to_target {
460 my ($msg_hash, $address, $encrypt_key) = @_ ;
461 my $msg = &create_xml_string($msg_hash);
462 my $header = @{$msg_hash->{'header'}}[0];
463 my $error = &send_msg_to_target($msg, $address, $encrypt_key, $header);
465 return $error;
466 }
469 sub send_msg_to_target {
470 my ($msg, $address, $encrypt_key, $msg_header) = @_ ;
471 my $error = 0;
473 if( $msg_header ) { $msg_header = "'$msg_header'-"; }
474 else { $msg_header = ""; }
476 # Memorize own source address
477 $msg =~ /<source>(\S+)<\/source>/;
478 my $own_source_address = $1;
480 # encrypt xml msg
481 my $crypted_msg = &encrypt_msg($msg, $encrypt_key);
483 # opensocket
484 my $socket = &open_socket($address);
485 if( !$socket ) {
486 daemon_log("WARNING: cannot send ".$msg_header."msg to $address , host not reachable", 3);
487 if ($REGISTERED == 1) {
488 $REGISTERED = 0; # if server is not available, cause reregistering
489 daemon_log("INFO: cause reregistering at gosa-si-server", 5);
490 sleep(2);
491 $global_kernel->post('client_session', 'register_at_gosa_si_server');
493 }
494 $error++;
495 }
497 # send xml msg
498 if( $error == 0 ) {
499 print $socket $crypted_msg.";$own_source_address\n";
500 daemon_log("INFO: send ".$msg_header."msg to $address", 5);
501 daemon_log("DEBUG: message:\n$msg", 9);
502 }
504 # close socket in any case
505 if( $socket ) {
506 close $socket;
507 }
509 return $error;
510 }
513 sub write_to_file {
514 my ($string, $file) = @_;
515 my $error = 0;
517 if( not defined $file || not -f $file ) {
518 &main::daemon_log("ERROR: $prg: check '-f file' failed: $file", 1);
519 $error++;
520 }
521 if( not defined $string || 0 == length($string)) {
522 &main::daemon_log("ERROR: $prg: empty string to write to file '$file'", 1);
523 $error++;
524 }
526 if( $error == 0 ) {
528 chomp($string);
530 if (open(FILE, ">> $file")){
531 print FILE $string."\n";
532 close(FILE);
533 }
534 }
536 return;
537 }
540 sub open_socket {
541 my ($PeerAddr, $PeerPort) = @_ ;
542 if(defined($PeerPort)){
543 $PeerAddr = $PeerAddr.":".$PeerPort;
544 }
545 my $socket;
546 $socket = new IO::Socket::INET(PeerAddr => $PeerAddr,
547 Porto => "tcp",
548 Type => SOCK_STREAM,
549 Timeout => 5,
550 );
551 if(not defined $socket) {
552 return;
553 }
554 &daemon_log("DEBUG: open_socket: $PeerAddr", 7);
555 return $socket;
556 }
559 #=== FUNCTION ================================================================
560 # NAME: register_at_server
561 # PARAMETERS:
562 # RETURNS:
563 # DESCRIPTION:
564 #===============================================================================
565 sub register_at_gosa_si_server {
566 my ($kernel) = $_[KERNEL];
568 # if client is already registered, stop registration process
569 if ($REGISTERED) {
570 $kernel->delay('register_at_gosa_si_server');
572 # client is not registered, start registration process
573 } else {
574 $REGISTRATION_IN_PROGRESS = 1;
576 # clear all other triggered events and wait till registration was successful
577 $kernel->delay('trigger_new_key');
579 # create new passwd and ciphering object for client-server communication
580 $server_key = &create_passwd();
582 my $events = join( ",", keys %{$event_hash} );
583 while(1) {
584 $REGISTRATION_TRIES++;
586 # fetch first gosa-si-server from @servers
587 # append shifted gosa-si-server at the end of @servers, so looking for servers never stop if
588 # a registration never occured
589 my $server = shift(@servers);
590 &main::daemon_log("INFO: Trying to register with server $server", 3);
591 push(@servers, $server);
592 ($server_ip = $server) =~ s/:.*$//;
593 $server_address = $server;
595 # Check if our ip is resolvable - if not: don't try to register
596 if(!(defined($server) && $server =~ m/^[0-9\.]*?:.*$/)) {
597 &main::daemon_log("ERROR: Server with address '".defined($server)?$server:""."' is invalid!", 1);
598 if (scalar(@servers) == 1) {
599 &main::daemon_log("ERROR: No valid servers found!", 1);
600 exit(1);
601 }
602 }
604 # Check if our ip is resolvable - if not: don't try to register
605 my $ip= &get_local_ip_for_remote_ip(sprintf("%s", $server =~ /^([0-9\.]*?):.*$/));
606 my $dnsname= gethostbyaddr(inet_aton($ip), AF_INET);
607 if(!defined($dnsname)) {
608 if( defined($client_force_hostname) && $client_force_hostname eq "true") {
609 $dnsname = `hostname`;
610 } else {
611 &write_to_file("goto-error-dns:$ip", $fai_logpath);
612 &main::daemon_log("ERROR: ip is not resolvable, no registration possible. Write 'goto-error-dns:$ip' to $fai_logpath", 1);
613 exit(1);
614 }
615 }
617 # create registration msg
618 my $local_ip = &get_local_ip_for_remote_ip(sprintf("%s", $server =~ /^([0-9\.]*?):.*$/));
619 my $local_mac = &get_local_mac_for_remote_ip(sprintf("%s", $server =~ /^([0-9\.]*?):.*$/));
620 my $register_hash = &create_xml_hash("here_i_am", $local_ip.":".$client_port, $server);
621 &add_content2xml_hash($register_hash, "new_passwd", $server_key);
622 &add_content2xml_hash($register_hash, "mac_address", $local_mac);
623 &add_content2xml_hash($register_hash, "events", $events);
624 &add_content2xml_hash($register_hash, "client_status", $client_status);
625 &add_content2xml_hash($register_hash, "client_revision", $client_revision);
626 &add_content2xml_hash($register_hash, "gotoHardwareChecksum", $gotoHardwareChecksum);
627 &add_content2xml_hash($register_hash, "key_lifetime", $server_key_lifetime);
629 # Add $HOSTNAME from ENV if force-hostname is set
630 if( defined($client_force_hostname) && $client_force_hostname eq "true") {
631 if(defined($ENV{HOSTNAME}) && length($ENV{HOSTNAME}) >0 ) {
632 &add_content2xml_hash($register_hash, "force-hostname", $ENV{HOSTNAME});
633 } else {
634 &main::daemon_log("force-hostname was set to true, but no \$HOSTNAME was found in Environment!",0);
635 }
636 }
638 # send xml hash to server with general server passwd
639 my $res = &send_msg_hash_to_target($register_hash, $server, $default_server_key);
641 # if delivery of registration msg succeed
642 if(defined($res) and $res eq "0") {
644 # Set fixed client address and mac address
645 $client_ip= &get_local_ip_for_remote_ip(sprintf("%s", $server =~ /^([0-9\.]*?):.*$/));
646 $client_address= "$client_ip:$client_port";
647 $client_mac_address = $local_mac;
648 $client_dnsname = $dnsname;
649 last;
651 # delivery of registration msg failed
652 } elsif($REGISTRATION_TRIES > scalar(@servers)) {
653 last;
654 }
656 } # end of while
657 # one circle through all servers finished and no registration succeed
658 if ( $REGISTRATION_TRIES > (scalar(@servers)) ) {
659 $REGISTRATION_TRIES = 0;
660 &write_to_file("gosa-si-no-server-available", $fai_logpath);
661 daemon_log("WARNING: Could not register with any of the servers, waiting $delay_set_time seconds",3);
662 sleep($delay_set_time);
663 $kernel->post('client_session', 'register_at_gosa_si_server');
665 # delivery of registraion msg succeed, waiting for server response
666 } else {
667 daemon_log("INFO: waiting for msg 'register_at_gosa_si_server'",5);
668 $kernel->delay_set('register_at_gosa_si_server', $delay_set_time);
669 # clear old settings and set it again
670 $kernel->delay('trigger_new_key');
671 $kernel->delay_set('trigger_new_key', $server_key_lifetime);
672 }
674 }
675 return;
676 }
679 sub check_key_and_xml_validity {
680 my ($crypted_msg, $module_key) = @_;
682 my $msg;
683 my $msg_hash;
684 eval{
685 $msg = &decrypt_msg($crypted_msg, $module_key);
686 if ($msg !~ /^<xml>/i ) {
687 die 'could not decrypt message';
688 }
689 &main::daemon_log("decrypted_msg: \n$msg", 9);
691 $msg_hash = $xml->XMLin($msg, ForceArray=>1);
693 ##############
694 # check header
695 my $header_l = $msg_hash->{'header'};
696 if( 1 != @{$header_l} ) {
697 die 'no or more headers specified';
698 }
699 my $header = @{$header_l}[0];
700 if( 0 == length $header) {
701 die 'header has length 0';
702 }
704 ##############
705 # check source
706 my $source_l = $msg_hash->{'source'};
707 if( 1 != @{$source_l} ) {
708 die 'no or more than 1 sources specified';
709 }
710 my $source = @{$source_l}[0];
711 if( 0 == length $source) {
712 die 'source has length 0';
713 }
714 unless( $source =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ) {
715 die "source '$source' is neither a complete ip-address with port nor 'GOSA'";
716 }
718 ##############
719 # check target
720 my $target_l = $msg_hash->{'target'};
721 if( 1 != @{$target_l} ) {
722 die 'no or more than 1 targets specified ';
723 }
724 my $target = @{$target_l}[0];
725 if( 0 == length $target) {
726 die 'target has length 0 ';
727 }
728 unless( $target =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ){
729 die "source is neither a complete ip-address with port nor 'GOSA'";
730 }
731 };
732 if($@) {
733 &main::daemon_log("WARNING: do not understand the message or msg is not gosa-si envelope conform:", 5);
734 &main::daemon_log("$@", 8);
735 $msg = undef;
736 $msg_hash = undef;
737 }
739 return ($msg, $msg_hash);
740 }
743 sub check_outgoing_xml_validity {
744 my ($msg) = @_;
746 my $msg_hash;
747 eval{
748 $msg_hash = $xml->XMLin($msg, ForceArray=>1);
750 ##############
751 # check header
752 my $header_l = $msg_hash->{'header'};
753 if( 1 != @{$header_l} ) {
754 die 'no or more than one headers specified';
755 }
756 my $header = @{$header_l}[0];
757 if( 0 == length $header) {
758 die 'header has length 0';
759 }
761 ##############
762 # check source
763 my $source_l = $msg_hash->{'source'};
764 if( 1 != @{$source_l} ) {
765 die 'no or more than 1 sources specified';
766 }
767 my $source = @{$source_l}[0];
768 if( 0 == length $source) {
769 die 'source has length 0';
770 }
771 unless( $source =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ||
772 $source =~ /^GOSA$/i ) {
773 die "source '$source' is neither a complete ip-address with port";
774 }
776 ##############
777 # check target
778 my $target_l = $msg_hash->{'target'};
779 if( 1 != @{$target_l} ) {
780 die "no or more than one targets specified";
781 }
782 foreach my $target (@$target_l) {
783 if( 0 == length $target) {
784 die "target has length 0";
785 }
786 unless( $target =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ) {
787 die "target '$target' is not a complete ip-address with port or a valid target name";
788 }
789 }
790 };
791 if($@) {
792 daemon_log("WARNING: outgoing msg is not gosa-si envelope conform", 5);
793 daemon_log("$@ $msg", 8);
794 $msg_hash = undef;
795 }
796 return ($msg_hash);
797 }
800 sub trigger_new_key {
801 my ($kernel) = $_[KERNEL] ;
803 my $msg = "<xml><header>new_key</header><source>$client_address</source><target>$client_address</target></xml>";
804 &send_msg_to_target($msg, $client_address, $server_key, 'new_key');
806 $kernel->delay_set('trigger_new_key', $server_key_lifetime);
807 }
810 sub trigger_logged_in_users_report {
811 my ($kernel) = $_[KERNEL] ;
813 # just do if client is registered already
814 if( $REGISTERED ) {
815 my $result = qx(/usr/bin/users);
816 my @logged_in_user_list;
817 if( defined $result ) {
818 chomp($result);
819 @logged_in_user_list = split(/\s/, $result);
820 }
822 if (!open(FIFO_FD, '>', $gosa_si_client_fifo)) {
823 daemon_log("ERROR: unable to open fifo for writing: $!", 1);
824 $kernel->delay_set('trigger_logged_in_users_report', 30);
825 }
826 else {
827 printf(FIFO_FD "CURRENTLY_LOGGED_IN %s\n", join(" ", @logged_in_user_list));
828 close(FIFO_FD);
829 $kernel->delay_set('trigger_logged_in_users_report', $trigger_logged_in_users_report_delay);
830 }
831 } else {
832 # try it in 10 sec again
833 $kernel->delay_set('trigger_logged_in_users_report', 10);
834 }
835 }
838 sub trigger_seen_messages {
839 my ($kernel) = $_[KERNEL] ;
841 # Select all files under /tmp with prefix 'goto_notify'
842 my $goto_dir = "/tmp";
843 opendir(DIR, $goto_dir);
844 my @goto_files = grep { /.goto_notify$/ && -f "$goto_dir/$_" } readdir(DIR);
845 closedir DIR;
847 # Check if file has 'seen' tag
848 foreach my $goto_file (@goto_files) {
849 open(FILE, "$goto_dir/$goto_file");
850 my @lines = <FILE>;
851 close FILE;
853 my $source;
854 my $target;
855 my $usr;
856 my $subject;
857 my $message;
858 my $seen = 0;
859 chomp(@lines);
860 foreach my $line (@lines) {
861 if ($line =~ /^source:([\S\s]*)$/) {
862 $source = $1
863 }
864 if ($line =~ /^target:([\S\s]*)$/) {
865 $target = $1;
866 }
867 if ($line =~ /^usr:([\S\s]*)$/) {
868 $usr = $1;
869 }
870 if ($line =~ /^subject:([\S\s]*)$/) {
871 $subject = $1;
872 }
873 if ($line =~ /^message:([\S\s]*)$/) {
874 $message = $1;
875 }
876 if ($line =~ /^seen$/) {
877 $seen++;
878 }
879 }
881 # Send 'confirm_usr_msg' back to msg-hosting server
882 if ($seen) {
883 my %data = ('usr'=>$usr, 'subject'=>$subject, 'message'=>$message);
884 my $confirm_msg = &build_msg("confirm_usr_msg", $target, $source, \%data);
885 my $send_error = &send_msg_to_target($confirm_msg, $server_address, $server_key);
887 # Delete file
888 unlink("$goto_dir/$goto_file")
889 if (! $send_error);
890 }
891 }
893 $kernel->delay_set('trigger_seen_messages', $trigger_seen_messages_delay);
895 return;
896 }
899 sub generic_file_error {
900 my ( $heap, $operation, $errno, $error_string, $wheel_id ) =
901 @_[ HEAP, ARG0, ARG1, ARG2, ARG3 ];
903 my $service = $heap->{services}->{$wheel_id};
904 daemon_log("ERROR: '$service' watcher $operation error $errno: $error_string", 1);
905 daemon_log("ERROR: shutting down '$service' file watcher", 1);
907 delete $heap->{services}->{$wheel_id};
908 delete $heap->{watchers}->{$wheel_id};
909 return;
910 }
913 sub fifo_got_record {
914 my $file_record = $_[ARG0];
915 my $header;
916 my $content = "";
917 daemon_log("INFO: fifo got record: $file_record", 3);
919 $file_record =~ /^(\S+)[ ]?([\s\S]+)?$/;
920 if( defined $1 ) {
921 $header = $1;
922 } else {
923 return;
924 }
926 if( defined $2 ) {
927 $content = $2;
928 }
930 my $clmsg_hash = &create_xml_hash("CLMSG_$header", $client_address, $server_address, $content);
931 &add_content2xml_hash($clmsg_hash, "macaddress", $client_mac_address);
932 my $utc_ts = &main::get_utc_time();
933 &add_content2xml_hash($clmsg_hash, "timestamp", $utc_ts);
934 my $clmsg = &create_xml_string($clmsg_hash);
935 &send_msg_to_target($clmsg, $server_address, $server_key, "CLMSG_$header");
937 # if installation finished, save all log files
938 if ($file_record eq "TASKBEGIN savelog") {
939 &save_fai_log($fai_log_dir);
940 }
942 return;
943 }
946 sub save_fai_log {
947 my ($fai_log_dir) = @_ ;
948 my $FAI_DIR;
949 my $fai_action;
951 # Directory for log files after a softupdate
952 my $log_dir = File::Spec->catdir($fai_log_dir, "localhost/last");
954 if (not -d $log_dir) {
955 # Directory for log files after a new installation
956 $log_dir = "/tmp/fai";
957 if (not -d $log_dir) {
958 daemon_log("ERROR: cannot open directory $log_dir", 1);
959 return;
960 }
961 $fai_action = "install";
962 }
963 else {
964 # If we already have a logdir, we can assume that this is a softupdate
965 $fai_action = "softupdate";
966 }
968 opendir($FAI_DIR, "$log_dir");
969 my @log_files = readdir($FAI_DIR);
970 closedir($FAI_DIR);
972 my @log_list;
973 foreach my $log_file (@log_files) {
974 if( $log_file eq "." || $log_file eq ".." ) { next; }
976 my $log = "log_file:$log_file:";
977 $log_file = File::Spec->catfile( $log_dir, $log_file );
979 if (not -f $log_file) {
980 daemon_log("ERROR: cannot read $log_file", 1);
981 next;
982 }
984 open(FILE, "<$log_file");
985 my @lines = <FILE> ;
986 close (FILE);
987 my $log_string = join("", @lines);
988 $log .= &encode_base64($log_string);
989 push(@log_list, $log);
990 }
992 my $all_log_string = join("\n", @log_list);
993 my $msg_hash = &create_xml_hash("CLMSG_save_fai_log", $client_address, $server_address, $all_log_string);
994 &add_content2xml_hash($msg_hash, "macaddress", $client_mac_address);
995 &add_content2xml_hash($msg_hash, "fai_action", $fai_action);
996 my $msg = &create_xml_string($msg_hash);
997 &send_msg_to_target($msg, $server_address, $server_key, "CLMSG_save_fai_log");
999 }
1002 sub _start {
1003 my ($kernel, $heap) = @_[KERNEL, HEAP];
1004 $kernel->alias_set('client_session');
1005 $global_kernel = $kernel; # this is used to throw events at each point of the skript
1007 # force a registration at a gosa-si-server
1008 $kernel->yield('register_at_gosa_si_server');
1010 # install all file watcher defined
1011 while( my($name, $file) = each %files_to_watch ) {
1012 my $watcher = POE::Wheel::FollowTail->new(
1013 Filename => $file,
1014 InputEvent => $name."_record",
1015 # ResetEvent => "file_reset",
1016 ErrorEvent => "file_error",
1017 );
1018 # $heap->{tail} = POE::Wheel::Run->new(
1019 # Program => [ "/usr/bin/tail", "-f", $file ],
1020 # StdoutEvent => $file_name."_record",
1021 # );
1022 $heap->{services}->{ $watcher->ID } = $name;
1023 $heap->{watchers}->{ $watcher->ID } = $watcher;
1024 }
1025 $kernel->yield('trigger_logged_in_users_report');
1026 $kernel->yield('trigger_seen_messages');
1027 }
1030 sub _stop {
1031 my ($kernel, $session, $heap) = @_[KERNEL, SESSION, HEAP];
1032 delete $heap->{'services'};
1033 delete $heap->{'watchers'};
1034 $kernel->alias_remove($heap->{alias});
1035 $kernel->alarm_remove_all();
1036 $kernel->post($heap->{child_session}, '_stop');
1037 }
1040 sub _default {
1041 daemon_log("ERROR: can not handle incoming msg with header '$_[ARG0]'", 1);
1042 return;
1043 }
1046 sub server_input {
1047 my ($kernel, $heap, $input, $wheel) = @_[KERNEL, HEAP, ARG0, ARG1];
1048 my $remote_ip = $heap->{'remote_ip'},
1049 my $error = 0;
1050 my $answer;
1051 my $msg;
1052 my $msg_hash;
1055 daemon_log("INFO: Incoming msg from '$remote_ip', server_ip: $server_ip", 5);
1056 daemon_log("DEBUG: Incoming msg:\n$input\n", 9);
1058 if (not "$remote_ip" eq "$server_ip" and "$server_ip" ne "127.0.0.1") {
1059 daemon_log("INFO: Incoming msg not from server ($server_ip), ignoring", 5);
1060 $error++;
1061 } else {
1062 ($msg, $msg_hash) = &check_key_and_xml_validity($input, $server_key);
1063 if( (!$msg) || (!$msg_hash) ) {
1064 daemon_log("WARNING: Deciphering of incoming msg failed", 3);
1065 if($server_address =~ /$remote_ip/) {
1066 # got a msg from gosa-si-server which can not be decrypted, may the secrete not up-to-date
1067 # cause a reregistering with a new secrete handshake
1068 daemon_log("WARNING: Message from gosa-si-server could not be understood, cause reregistering at server", 3);
1070 # if client is alread in a registration process, that means not registered, do nothing
1071 # if not, cause re-registration
1072 if ($REGISTRATION_IN_PROGRESS) {
1073 &daemon_log("WARNING: gosa-si-client is already in a registration process so ignore this message", 3);
1074 } else {
1075 if ($FAILED_CRYPTO > $max_failed_crypto_messages) {
1076 # Force usage of a new server
1077 daemon_log("Failed to decrypt a total of $max_failed_crypto_messages messages from the server. Trying to switch to another one", 3);
1078 $REGISTRATION_TRIES = $max_failed_crypto_messages;
1079 my $server = shift(@servers);
1080 push(@servers, $server);
1081 }
1082 $FAILED_CRYPTO++;
1083 $REGISTERED = 0;
1084 sleep(2);
1085 $kernel->post('client_session', 'register_at_gosa_si_server');
1086 }
1087 }
1088 $error++;
1089 }
1090 }
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 if( $server_ip eq "127.0.0.1") {
1129 $server_ip = $remote_ip;
1130 daemon_log("INFO: Registered at localhost, setting server_ip to $server_ip",3);
1131 }
1132 }
1133 else {
1134 $answer =~ /<header>(\S+)<\/header>/;
1135 &send_msg_to_target($answer, $server_address, $server_key, $1);
1136 }
1138 # postprocessing
1139 if( $answer =~ "<header>new_key</header>") {
1140 # set new key to global variable
1141 $answer =~ /<new_key>(\S*?)<\/new_key>/;
1142 my $new_key = $1;
1143 $server_key = $new_key;
1144 }
1145 }
1147 }
1149 return;
1150 }
1152 sub find_servers {
1153 # add gosa-si-server address from config file at first position of server list
1154 my $server_check_cfg = Config::IniFiles->new( -file => $cfg_file );
1156 # Parse servers string
1157 my @conf_servers = split(',', $servers_string);
1159 # Now search for fallback servers in the configuration
1160 foreach my $cur_server (@conf_servers) {
1161 # Remove spaces from the IP
1162 $cur_server =~ s/\s//g;
1164 my $ip = $cur_server;
1165 if(not $cur_server =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/) {
1166 my $ip_address = inet_ntoa(scalar gethostbyname($ip));
1167 if(defined($ip_address) && $ip_address =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/) {
1168 # Write ip address to $server_ip variable
1169 $ip = $ip_address;
1170 }
1171 }
1173 my $server_addr = sprintf("%s:%s", $ip, $server_port);
1174 if (not grep { $_ eq $server_addr } @servers) {
1175 push(@servers, $server_addr);
1176 }
1177 }
1179 my $servers_string = join(", ", @servers);
1180 daemon_log("INFO: found servers in configuration file: $servers_string", 1);
1182 # Last but not least search for fallback servers in the DNS
1183 if (defined($opts_dnslookup) and $opts_dnslookup eq "true") {
1184 my @tmp_servers;
1185 if ( !$server_domain) {
1186 # Try our DNS Searchlist
1187 my @domain_list = &get_dns_domains();
1188 my $tmp_domains;
1189 my $error_string;
1190 for my $domain (@domain_list) {
1191 chomp($domain);
1192 ($tmp_domains, $error_string) = &get_server_addresses($domain);
1193 if(@$tmp_domains) {
1194 for my $tmp_server(@$tmp_domains) {
1195 push @tmp_servers, $tmp_server;
1196 }
1197 }
1198 }
1200 if (0 == @tmp_servers) {
1201 daemon_log("INFO: No servers found in DNS.", 1);
1202 }
1203 else {
1204 my $servers_string = join(", ", @tmp_servers);
1205 daemon_log("INFO: found servers in DNS: $servers_string", 1);
1206 }
1207 } else {
1208 @tmp_servers = &get_server_addresses($server_domain);
1209 if( 0 == @tmp_servers ) {
1210 daemon_log("INFO: No servers found in DNS for domain '$server_domain'",1);
1211 }
1212 }
1214 if ( 0 != @tmp_servers ) {
1215 foreach my $server_addr (@tmp_servers) {
1216 if (not grep { $_ eq $server_addr } @servers) {
1217 push(@servers, $server_addr);
1218 }
1219 }
1220 }
1221 }
1223 if (0 == scalar(@servers)) {
1224 daemon_log("ERROR: No servers found in the configuration or DNS.", 1);
1225 exit(1);
1226 }
1228 # Define first server as server_ip
1229 $server_ip = $servers[0];
1231 # prepare variables
1232 if( inet_aton($server_ip) ){ $server_ip = inet_ntoa(inet_aton($server_ip)); }
1233 if (defined $server_ip && defined $server_port) {
1234 $server_address = $server_ip.":".$server_port;
1235 }
1236 }
1238 #==== MAIN = main ==============================================================
1239 # parse commandline options
1240 Getopt::Long::Configure( "bundling" );
1241 GetOptions("h|help" => \&usage,
1242 "c|config=s" => \$cfg_file,
1243 "f|foreground" => \$foreground,
1244 "v|verbose+" => \$verbose,
1245 );
1247 # read and set config parameters
1248 &check_cmdline_param ;
1249 &read_configfile($cfg_file, %cfg_defaults);
1250 &check_pid;
1252 # parse head url and revision from svn
1253 my $client_status_hash = { 'developmental'=>'revision', 'stable'=>'release'};
1254 $client_version =~ /^\$HeadURL: (\S+) \$:\$Rev: (\d+) \$$/;
1255 $client_headURL = defined $1 ? $1 : 'unknown' ;
1256 $client_revision = defined $2 ? $2 : 'unknown' ;
1257 if ($client_headURL =~ /\/tag\// ||
1258 $client_headURL =~ /\/branches\// ) {
1259 $client_status = "stable";
1260 } else {
1261 $client_status = "developmental" ;
1262 }
1264 # Determine root uid and adm gid, used for creating log files
1265 $root_uid = getpwnam('root');
1266 $adm_gid = getgrnam('adm');
1267 if(not defined $adm_gid){
1268 $adm_gid = getgrnam('root');
1269 }
1272 daemon_log(" ", 1);
1273 daemon_log("$prg started!", 1);
1274 daemon_log("INFO: status: $client_status", 1);
1275 daemon_log("INFO: ".$client_status_hash->{$client_status}.": $client_revision", 1);
1277 # delete old DBsqlite lock files
1278 system('rm -f /tmp/gosa_si_lock*gosa-si-client*');
1280 # (re-)create FIFO
1281 if (-e $gosa_si_client_fifo) {
1282 daemon_log("INFO: $gosa_si_client_fifo exists - deleting", 5);
1283 if (1 != unlink($gosa_si_client_fifo)) {
1284 daemon_log("ERROR: unable to delete '$gosa_si_client_fifo': $!", 1);
1285 exit( 1 );
1286 }
1287 }
1288 if (! defined POSIX::mkfifo($gosa_si_client_fifo, "0600")) {
1289 daemon_log("ERROR: failed creating fifo: $!", 1);
1290 exit( 1 );
1291 }
1293 # Just fork, if we are not in foreground mode
1294 if( ! $foreground ) {
1295 if (! chdir('/')) {
1296 daemon_log("ERROR: Can't chdir to /: $!");
1297 exit( 1 );
1298 }
1299 umask( 0 );
1300 $pid = fork;
1301 } else {
1302 $pid = $$;
1303 }
1305 if( 0 != $pid ) {
1306 # Parent: put our PID into the $pid_file
1307 open( LOCK_FILE, ">$pid_file" );
1308 print LOCK_FILE "$pid\n";
1309 close( LOCK_FILE );
1310 if( !$foreground ) {
1311 exit( 0 );
1312 }
1313 }
1314 else {
1315 # Child
1316 open( STDIN, '+>/dev/null' );
1317 open( STDOUT, '+>&STDIN' );
1318 open( STDERR, '+>&STDIN' );
1319 if (! POSIX::setsid()) {
1320 deamon_log("ERROR: Can't start a new session: $!", 1);
1321 exit( 1 );
1322 }
1323 $poe_kernel->has_forked() if ($poe_kernel->can('has_forked'));
1324 }
1326 # detect ip and mac address and complete host address
1327 $client_address = $client_ip.":".$client_port;
1328 my $network_interface= &get_interface_for_ip($client_ip);
1329 $client_mac_address= &get_mac($network_interface);
1330 daemon_log("INFO: ip address detected: $client_ip", 1);
1331 daemon_log("INFO: gosa-si-client mac address detected: $client_mac_address", 1);
1334 # import events
1335 my ($error, $result, $tmp_hash) = &import_events($event_dir);
1336 while (my ($module, $mod_event_hash) = each %$tmp_hash) {
1337 while (my ($event_name, $nothing) = each %$mod_event_hash) {
1338 $event_hash->{$event_name} = $module;
1339 }
1340 }
1342 foreach my $log_line (@$result) {
1343 if ($log_line =~ / succeed: /) {
1344 &main::daemon_log("0 DEBUG: $log_line", 7);
1345 } else {
1346 &main::daemon_log("0 ERROR: $log_line", 1);
1347 }
1348 }
1351 # compute hardware checksum
1352 $gotoHardwareChecksum= &generate_hw_digest();
1353 daemon_log("INFO: gotoHardwareChecksum detected: $gotoHardwareChecksum", 1);
1356 # create socket for incoming xml messages
1357 POE::Component::Server::TCP->new(
1358 Alias => 'gosa-si-client',
1359 Port => $client_port,
1360 ClientInput => \&server_input,
1361 );
1362 daemon_log("INFO: start socket for incoming xml messages at port '$client_port' ", 1);
1364 $xml = new XML::Simple();
1365 $default_server_key = $server_key;
1367 # Find servers from config and DNS
1368 &find_servers;
1370 POE::Session->create(
1371 inline_states => {
1372 _start => \&_start,
1373 _stop => \&_stop,
1374 _default => \&_default,
1375 register_at_gosa_si_server => \®ister_at_gosa_si_server,
1377 # trigger periodical tasks
1378 trigger_new_key => \&trigger_new_key,
1379 trigger_logged_in_users_report => \&trigger_logged_in_users_report,
1380 trigger_seen_messages => \&trigger_seen_messages,
1382 # handle records from each defined file differently
1383 fifo_record => \&fifo_got_record,
1385 # handle file resets and errors the same way for each file
1386 file_reset => \&generic_file_reset,
1387 file_error => \&generic_file_error,
1388 }
1389 );
1391 POE::Kernel->run();
1392 exit;