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 $SIG{'INT'} = \&sig_int_or_term_handler;
250 $SIG{'TERM'} = \&sig_int_or_term_handler;
251 $SIG{'__WARN__'} = \&sig_warn_handler;
252 $SIG{'USR1'} = 'IGNORE';
253 $SIG{'USR2'} = 'IGNORE';
255 #=== FUNCTION ================================================================
256 # NAME: logging
257 # PARAMETERS: level - string - default 'info'
258 # msg - string -
259 # facility - string - default 'LOG_DAEMON'
260 # RETURNS:
261 # DESCRIPTION:
262 #===============================================================================
263 sub daemon_log {
264 # log into log_file
265 my( $msg, $level ) = @_;
266 if(not defined $msg) { return }
267 if(not defined $level) { $level = 1 }
268 if(defined $log_file){
269 my $open_log_fh = sysopen(LOG_HANDLE, $log_file, O_WRONLY | O_CREAT | O_APPEND , 0440);
270 if(not $open_log_fh) {
271 print STDERR "cannot open $log_file: $!";
272 return;
273 }
274 # check owner and group of log_file and update settings if necessary
275 my ($dev, $ino, $mode, $nlink, $uid, $gid, $rdev, $size, $atime, $mtime, $ctime, $blksize, $blocks) = stat($log_file);
276 if((not $uid eq $root_uid) || (not $gid eq $adm_gid)) {
277 chown($root_uid, $adm_gid, $log_file);
278 }
280 chomp($msg);
281 if($level <= $verbose){
282 my ($seconds, $minutes, $hours, $monthday, $month,
283 $year, $weekday, $yearday, $sommertime) = localtime(time);
284 $hours = $hours < 10 ? $hours = "0".$hours : $hours;
285 $minutes = $minutes < 10 ? $minutes = "0".$minutes : $minutes;
286 $seconds = $seconds < 10 ? $seconds = "0".$seconds : $seconds;
287 my @monthnames = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
288 $month = $monthnames[$month];
289 $monthday = $monthday < 10 ? $monthday = "0".$monthday : $monthday;
290 $year+=1900;
292 my $log_msg = "$month $monthday $hours:$minutes:$seconds $prg $msg\n";
293 print LOG_HANDLE $log_msg;
294 if( $foreground ) {
295 print STDERR $log_msg;
296 }
297 }
298 close( LOG_HANDLE );
299 }
300 }
303 #=== FUNCTION ================================================================
304 # NAME: get_mac
305 # PARAMETERS: interface name (i.e. eth0)
306 # RETURNS: (mac address)
307 # DESCRIPTION: Uses ioctl to get mac address directly from system.
308 #===============================================================================
309 sub get_mac {
310 my $ifreq= shift;
311 my $result;
312 if ($ifreq && length($ifreq) > 0) {
313 if($ifreq eq "all") {
314 if(defined($server_ip)) {
315 $result = &get_local_mac_for_remote_ip($server_ip);
316 }
317 elsif ($client_mac_address && length($client_mac_address) > 0 && !($client_mac_address eq "00:00:00:00:00:00")){
318 $result = &client_mac_address;
319 }
320 else {
321 $result = "00:00:00:00:00:00";
322 }
323 } else {
324 my $SIOCGIFHWADDR= 0x8927; # man 2 ioctl_list
326 # A configured MAC Address should always override a guessed value
327 if ($client_mac_address and length($client_mac_address) > 0 and not($client_mac_address eq "00:00:00:00:00:00")) {
328 $result= $client_mac_address;
329 }
330 else {
331 socket SOCKET, PF_INET, SOCK_DGRAM, getprotobyname('ip')
332 or die "socket: $!";
334 if(ioctl SOCKET, $SIOCGIFHWADDR, $ifreq) {
335 my ($if, $mac)= unpack 'h36 H12', $ifreq;
337 if (length($mac) > 0) {
338 $mac=~ m/^([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])$/;
339 $mac= sprintf("%s:%s:%s:%s:%s:%s", $1, $2, $3, $4, $5, $6);
340 $result = $mac;
341 }
342 }
343 }
344 }
345 }
346 return $result;
347 }
350 #=== FUNCTION ================================================================
351 # NAME: get_local_mac_for_remote_ip
352 # PARAMETERS: none (takes server_ip from global variable)
353 # RETURNS: (ip address from interface that is used for communication)
354 # DESCRIPTION: Uses ioctl to get routing table from system, checks which entry
355 # matches (defaultroute last).
356 #===============================================================================
357 sub get_local_mac_for_remote_ip {
358 my $server_ip= shift;
359 my $result= "00:00:00:00:00:00";
361 if($server_ip =~ /^[a-z][a-z0-9\.]$/i) {
362 my $ip_address = inet_ntoa(scalar gethostbyname($server_ip));
363 if(defined($ip_address) && $ip_address =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/) {
364 # Write ip address to $server_ip variable
365 $server_ip = $ip_address;
366 }
367 }
369 if($server_ip =~ /^(\d\d?\d?\.){3}\d\d?\d?$/) {
370 my $PROC_NET_ROUTE= ('/proc/net/route');
372 open(PROC_NET_ROUTE, "<$PROC_NET_ROUTE")
373 or die "Could not open $PROC_NET_ROUTE";
375 my @ifs = <PROC_NET_ROUTE>;
377 close(PROC_NET_ROUTE);
379 # Eat header line
380 shift @ifs;
381 chomp @ifs;
382 foreach my $line(@ifs) {
383 my ($Iface,$Destination,$Gateway,$Flags,$RefCnt,$Use,$Metric,$Mask,$MTU,$Window,$IRTT)=split(/\s/, $line);
384 my $destination;
385 my $mask;
386 my ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Destination);
387 $destination= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
388 ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Mask);
389 $mask= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
390 if(new NetAddr::IP($server_ip)->within(new NetAddr::IP($destination, $mask))) {
391 # destination matches route, save mac and exit
392 $result= &get_mac($Iface);
393 last;
394 }
395 }
396 } else {
397 daemon_log("get_local_mac_for_remote_ip was called with a non-ip parameter: $server_ip", 1);
398 }
399 return $result;
400 }
403 sub generate_hw_digest {
404 my $hw_data;
405 foreach my $line (split /\n/, `cat /proc/bus/pci/devices`) {
406 $hw_data.= sprintf "%s", $line =~ /[^\s]+\s([^\s]+)\s.*/;
407 }
408 return(md5_base64($hw_data));
409 }
412 sub create_ciphering {
413 my ($passwd) = @_;
414 if((!defined($passwd)) || length($passwd)==0) {
415 $passwd = "";
416 }
417 $passwd = substr(md5_hex("$passwd") x 32, 0, 32);
418 my $iv = substr(md5_hex('GONICUS GmbH'),0, 16);
419 my $my_cipher = Crypt::Rijndael->new($passwd , Crypt::Rijndael::MODE_CBC());
420 $my_cipher->set_iv($iv);
421 return $my_cipher;
422 }
425 sub encrypt_msg {
426 my ($msg, $key) = @_;
427 my $my_cipher = &create_ciphering($key);
428 my $len;
429 {
430 use bytes;
431 $len= 16-length($msg)%16;
432 }
433 $msg = "\0"x($len).$msg;
434 $msg = $my_cipher->encrypt($msg);
435 chomp($msg = &encode_base64($msg));
436 # there are no newlines allowed inside msg
437 $msg=~ s/\n//g;
438 return $msg;
439 }
442 sub decrypt_msg {
444 my ($msg, $key) = @_ ;
445 $msg = &decode_base64($msg);
446 my $my_cipher = &create_ciphering($key);
447 $msg = $my_cipher->decrypt($msg);
448 $msg =~ s/\0*//g;
449 return $msg;
450 }
453 #=== FUNCTION ================================================================
454 # NAME: send_msg_hash_to_target
455 # PARAMETERS: msg_hash - hash - xml_hash created with function create_xml_hash
456 # PeerAddr string - socket address to send msg
457 # PeerPort string - socket port, if not included in socket address
458 # RETURNS: nothing
459 # DESCRIPTION: ????
460 #===============================================================================
461 sub send_msg_hash_to_target {
462 my ($msg_hash, $address, $encrypt_key) = @_ ;
463 my $msg = &create_xml_string($msg_hash);
464 my $header = @{$msg_hash->{'header'}}[0];
465 my $error = &send_msg_to_target($msg, $address, $encrypt_key, $header);
467 return $error;
468 }
471 sub send_msg_to_target {
472 my ($msg, $address, $encrypt_key, $msg_header) = @_ ;
473 my $error = 0;
475 if( $msg_header ) { $msg_header = "'$msg_header'-"; }
476 else { $msg_header = ""; }
478 # Memorize own source address
479 $msg =~ /<source>(\S+)<\/source>/;
480 my $own_source_address = $1;
482 # encrypt xml msg
483 my $crypted_msg = &encrypt_msg($msg, $encrypt_key);
485 # opensocket
486 my $socket = &open_socket($address);
487 if( !$socket ) {
488 daemon_log("WARNING: cannot send ".$msg_header."msg to $address , host not reachable", 3);
489 if ($REGISTERED == 1) {
490 $REGISTERED = 0; # if server is not available, cause reregistering
491 daemon_log("INFO: cause reregistering at gosa-si-server", 5);
492 sleep(2);
493 $global_kernel->post('client_session', 'register_at_gosa_si_server');
495 }
496 $error++;
497 }
499 # send xml msg
500 if( $error == 0 ) {
501 print $socket $crypted_msg.";$own_source_address\n";
502 daemon_log("INFO: send ".$msg_header."msg to $address", 5);
503 daemon_log("DEBUG: message:\n$msg", 9);
504 }
506 # close socket in any case
507 if( $socket ) {
508 close $socket;
509 }
511 return $error;
512 }
515 sub write_to_file {
516 my ($string, $file) = @_;
517 my $error = 0;
519 if( not defined $file || not -f $file ) {
520 &main::daemon_log("ERROR: $prg: check '-f file' failed: $file", 1);
521 $error++;
522 }
523 if( not defined $string || 0 == length($string)) {
524 &main::daemon_log("ERROR: $prg: empty string to write to file '$file'", 1);
525 $error++;
526 }
528 if( $error == 0 ) {
530 chomp($string);
532 if (open(FILE, ">> $file")){
533 print FILE $string."\n";
534 close(FILE);
535 }
536 }
538 return;
539 }
542 sub open_socket {
543 my ($PeerAddr, $PeerPort) = @_ ;
544 if(defined($PeerPort)){
545 $PeerAddr = $PeerAddr.":".$PeerPort;
546 }
547 my $socket;
548 $socket = new IO::Socket::INET(PeerAddr => $PeerAddr,
549 Porto => "tcp",
550 Type => SOCK_STREAM,
551 Timeout => 5,
552 );
553 if(not defined $socket) {
554 return;
555 }
556 &daemon_log("DEBUG: open_socket: $PeerAddr", 7);
557 return $socket;
558 }
561 #=== FUNCTION ================================================================
562 # NAME: register_at_server
563 # PARAMETERS:
564 # RETURNS:
565 # DESCRIPTION:
566 #===============================================================================
567 sub register_at_gosa_si_server {
568 my ($kernel) = $_[KERNEL];
570 # if client is already registered, stop registration process
571 if ($REGISTERED) {
572 $kernel->delay('register_at_gosa_si_server');
574 # client is not registered, start registration process
575 } else {
576 $REGISTRATION_IN_PROGRESS = 1;
578 # clear all other triggered events and wait till registration was successful
579 $kernel->delay('trigger_new_key');
581 # create new passwd and ciphering object for client-server communication
582 $server_key = &create_passwd();
584 my $events = join( ",", keys %{$event_hash} );
585 while(1) {
586 $REGISTRATION_TRIES++;
588 # fetch first gosa-si-server from @servers
589 # append shifted gosa-si-server at the end of @servers, so looking for servers never stop if
590 # a registration never occured
591 my $server = shift(@servers);
592 &main::daemon_log("INFO: Trying to register with server $server", 3);
593 push(@servers, $server);
594 ($server_ip = $server) =~ s/:.*$//;
595 $server_address = $server;
597 # Check if our ip is resolvable - if not: don't try to register
598 if(!(defined($server) && $server =~ m/^[0-9\.]*?:.*$/)) {
599 &main::daemon_log("ERROR: Server with address '".defined($server)?$server:""."' is invalid!", 1);
600 if (scalar(@servers) == 1) {
601 &main::daemon_log("ERROR: No valid servers found!", 1);
602 exit(1);
603 }
604 }
606 # Check if our ip is resolvable - if not: don't try to register
607 my $ip= &get_local_ip_for_remote_ip(sprintf("%s", $server =~ /^([0-9\.]*?):.*$/));
608 my $dnsname= gethostbyaddr(inet_aton($ip), AF_INET);
609 if(!defined($dnsname)) {
610 if( defined($client_force_hostname) && $client_force_hostname eq "true") {
611 $dnsname = `hostname`;
612 } else {
613 &write_to_file("goto-error-dns:$ip", $fai_logpath);
614 &main::daemon_log("ERROR: ip is not resolvable, no registration possible. Write 'goto-error-dns:$ip' to $fai_logpath", 1);
615 exit(1);
616 }
617 }
619 # create registration msg
620 my $local_ip = &get_local_ip_for_remote_ip(sprintf("%s", $server =~ /^([0-9\.]*?):.*$/));
621 my $local_mac = &get_local_mac_for_remote_ip(sprintf("%s", $server =~ /^([0-9\.]*?):.*$/));
622 my $register_hash = &create_xml_hash("here_i_am", $local_ip.":".$client_port, $server);
623 &add_content2xml_hash($register_hash, "new_passwd", $server_key);
624 &add_content2xml_hash($register_hash, "mac_address", $local_mac);
625 &add_content2xml_hash($register_hash, "events", $events);
626 &add_content2xml_hash($register_hash, "client_status", $client_status);
627 &add_content2xml_hash($register_hash, "client_revision", $client_revision);
628 &add_content2xml_hash($register_hash, "gotoHardwareChecksum", $gotoHardwareChecksum);
629 &add_content2xml_hash($register_hash, "key_lifetime", $server_key_lifetime);
631 # Add $HOSTNAME from ENV if force-hostname is set
632 if( defined($client_force_hostname) && $client_force_hostname eq "true") {
633 if(defined($ENV{HOSTNAME}) && length($ENV{HOSTNAME}) >0 ) {
634 &add_content2xml_hash($register_hash, "force-hostname", $ENV{HOSTNAME});
635 } else {
636 &main::daemon_log("force-hostname was set to true, but no \$HOSTNAME was found in Environment!",0);
637 }
638 }
640 # send xml hash to server with general server passwd
641 my $res = &send_msg_hash_to_target($register_hash, $server, $default_server_key);
643 # if delivery of registration msg succeed
644 if(defined($res) and $res eq "0") {
646 # Set fixed client address and mac address
647 $client_ip= &get_local_ip_for_remote_ip(sprintf("%s", $server =~ /^([0-9\.]*?):.*$/));
648 $client_address= "$client_ip:$client_port";
649 $client_mac_address = $local_mac;
650 $client_dnsname = $dnsname;
651 last;
653 # delivery of registration msg failed
654 } elsif($REGISTRATION_TRIES > scalar(@servers)) {
655 last;
656 }
658 } # end of while
659 # one circle through all servers finished and no registration succeed
660 if ( $REGISTRATION_TRIES > (scalar(@servers)) ) {
661 $REGISTRATION_TRIES = 0;
662 &write_to_file("gosa-si-no-server-available", $fai_logpath);
663 daemon_log("WARNING: Could not register with any of the servers, waiting $delay_set_time seconds",3);
664 sleep($delay_set_time);
665 $kernel->post('client_session', 'register_at_gosa_si_server');
667 # delivery of registraion msg succeed, waiting for server response
668 } else {
669 daemon_log("INFO: waiting for msg 'register_at_gosa_si_server'",5);
670 $kernel->delay_set('register_at_gosa_si_server', $delay_set_time);
671 # clear old settings and set it again
672 $kernel->delay('trigger_new_key');
673 $kernel->delay_set('trigger_new_key', $server_key_lifetime);
674 }
676 }
677 return;
678 }
681 sub check_key_and_xml_validity {
682 my ($crypted_msg, $module_key) = @_;
684 my $msg;
685 my $msg_hash;
686 eval{
687 $msg = &decrypt_msg($crypted_msg, $module_key);
688 if ($msg !~ /^<xml>/i ) {
689 die 'could not decrypt message';
690 }
691 &main::daemon_log("decrypted_msg: \n$msg", 9);
693 $msg_hash = $xml->XMLin($msg, ForceArray=>1);
695 ##############
696 # check header
697 my $header_l = $msg_hash->{'header'};
698 if( 1 != @{$header_l} ) {
699 die 'no or more headers specified';
700 }
701 my $header = @{$header_l}[0];
702 if( 0 == length $header) {
703 die 'header has length 0';
704 }
706 ##############
707 # check source
708 my $source_l = $msg_hash->{'source'};
709 if( 1 != @{$source_l} ) {
710 die 'no or more than 1 sources specified';
711 }
712 my $source = @{$source_l}[0];
713 if( 0 == length $source) {
714 die 'source has length 0';
715 }
716 unless( $source =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ) {
717 die "source '$source' is neither a complete ip-address with port nor 'GOSA'";
718 }
720 ##############
721 # check target
722 my $target_l = $msg_hash->{'target'};
723 if( 1 != @{$target_l} ) {
724 die 'no or more than 1 targets specified ';
725 }
726 my $target = @{$target_l}[0];
727 if( 0 == length $target) {
728 die 'target has length 0 ';
729 }
730 unless( $target =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ){
731 die "source is neither a complete ip-address with port nor 'GOSA'";
732 }
733 };
734 if($@) {
735 &main::daemon_log("WARNING: do not understand the message or msg is not gosa-si envelope conform:", 5);
736 &main::daemon_log("$@", 8);
737 $msg = undef;
738 $msg_hash = undef;
739 }
741 return ($msg, $msg_hash);
742 }
745 sub check_outgoing_xml_validity {
746 my ($msg) = @_;
748 my $msg_hash;
749 eval{
750 $msg_hash = $xml->XMLin($msg, ForceArray=>1);
752 ##############
753 # check header
754 my $header_l = $msg_hash->{'header'};
755 if( 1 != @{$header_l} ) {
756 die 'no or more than one headers specified';
757 }
758 my $header = @{$header_l}[0];
759 if( 0 == length $header) {
760 die 'header has length 0';
761 }
763 ##############
764 # check source
765 my $source_l = $msg_hash->{'source'};
766 if( 1 != @{$source_l} ) {
767 die 'no or more than 1 sources specified';
768 }
769 my $source = @{$source_l}[0];
770 if( 0 == length $source) {
771 die 'source has length 0';
772 }
773 unless( $source =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ||
774 $source =~ /^GOSA$/i ) {
775 die "source '$source' is neither a complete ip-address with port";
776 }
778 ##############
779 # check target
780 my $target_l = $msg_hash->{'target'};
781 if( 1 != @{$target_l} ) {
782 die "no or more than one targets specified";
783 }
784 foreach my $target (@$target_l) {
785 if( 0 == length $target) {
786 die "target has length 0";
787 }
788 unless( $target =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ) {
789 die "target '$target' is not a complete ip-address with port or a valid target name";
790 }
791 }
792 };
793 if($@) {
794 daemon_log("WARNING: outgoing msg is not gosa-si envelope conform", 5);
795 daemon_log("$@ $msg", 8);
796 $msg_hash = undef;
797 }
798 return ($msg_hash);
799 }
802 sub trigger_new_key {
803 my ($kernel) = $_[KERNEL] ;
805 my $msg = "<xml><header>new_key</header><source>$client_address</source><target>$client_address</target></xml>";
806 &send_msg_to_target($msg, $client_address, $server_key, 'new_key');
808 $kernel->delay_set('trigger_new_key', $server_key_lifetime);
809 }
812 sub trigger_logged_in_users_report {
813 my ($kernel) = $_[KERNEL] ;
815 # just do if client is registered already
816 if( $REGISTERED ) {
817 my $result = qx(/usr/bin/users);
818 my @logged_in_user_list;
819 if( defined $result ) {
820 chomp($result);
821 @logged_in_user_list = split(/\s/, $result);
822 }
824 $FIFO_FD = undef
825 if (! defined $FIFO_FD && ! defined open($FIFO_FD, '>', $gosa_si_client_fifo));
826 if (! defined $FIFO_FD) {
827 daemon_log("ERROR: unable to open fifo for writing: $!", 1);
828 $kernel->delay_set('trigger_logged_in_users_report', 30);
829 }
830 else {
831 print($FIFO_FD 'CURRENTLY_LOGGED_IN ' . join(" ", @logged_in_user_list)."\n");
832 close($FIFO_FD);
833 my $userlist = join(" ", @logged_in_user_list);
834 daemon_log("DEBUG: Sent logged in user list to server: $userlist", 5);
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;
1058 my $msg;
1059 my $msg_hash;
1062 daemon_log("INFO: Incoming msg from '$remote_ip', server_ip: $server_ip", 5);
1063 daemon_log("DEBUG: Incoming msg:\n$input\n", 9);
1065 if (not "$remote_ip" eq "$server_ip" and "$server_ip" ne "127.0.0.1") {
1066 daemon_log("INFO: Incoming msg not from server ($server_ip), ignoring", 5);
1067 $error++;
1068 } else {
1069 ($msg, $msg_hash) = &check_key_and_xml_validity($input, $server_key);
1070 if( (!$msg) || (!$msg_hash) ) {
1071 daemon_log("WARNING: Deciphering of incoming msg failed", 3);
1072 if($server_address =~ /$remote_ip/) {
1073 # got a msg from gosa-si-server which can not be decrypted, may the secrete not up-to-date
1074 # cause a reregistering with a new secrete handshake
1075 daemon_log("WARNING: Message from gosa-si-server could not be understood, cause reregistering at server", 3);
1077 # if client is alread in a registration process, that means not registered, do nothing
1078 # if not, cause re-registration
1079 if ($REGISTRATION_IN_PROGRESS) {
1080 &daemon_log("WARNING: gosa-si-client is already in a registration process so ignore this message", 3);
1081 } else {
1082 if ($FAILED_CRYPTO > $max_failed_crypto_messages) {
1083 # Force usage of a new server
1084 daemon_log("Failed to decrypt a total of $max_failed_crypto_messages messages from the server. Trying to switch to another one", 3);
1085 $REGISTRATION_TRIES = $max_failed_crypto_messages;
1086 my $server = shift(@servers);
1087 push(@servers, $server);
1088 }
1089 $FAILED_CRYPTO++;
1090 $REGISTERED = 0;
1091 sleep(2);
1092 $kernel->post('client_session', 'register_at_gosa_si_server');
1093 }
1094 }
1095 $error++;
1096 }
1097 }
1099 ######################
1100 # process incoming msg
1101 if( $error == 0 ) {
1102 # Reset failed crypto messages state
1103 $FAILED_CRYPTO = 0;
1105 my $header = @{$msg_hash->{header}}[0];
1106 my $source = @{$msg_hash->{source}}[0];
1108 if( exists $event_hash->{$header} ) {
1110 # a event exists with the header as name
1111 daemon_log("INFO: found event '$header' at event-module '".$event_hash->{$header}."'", 5);
1112 no strict 'refs';
1113 $answer = &{$event_hash->{$header}."::$header"}($msg, $msg_hash);
1114 }
1115 else {
1116 daemon_log("WARNING: no event '$header' found in event modules under $event_dir", 3);
1117 }
1118 }
1120 ########
1121 # answer
1122 if( $answer ) {
1124 #check gosa-si envelope validity
1125 my $answer_hash = &check_outgoing_xml_validity($answer);
1127 if( $answer_hash ) {
1128 # answer is valid
1130 # preprocessing
1131 if( $answer =~ "<header>registered</header>") {
1132 # set registered flag to true to stop sending further registered msgs
1133 $REGISTERED = 1;
1134 $REGISTRATION_IN_PROGRESS = 0;
1135 if( $server_ip eq "127.0.0.1") {
1136 $server_ip = $remote_ip;
1137 daemon_log("INFO: Registered at localhost, setting server_ip to $server_ip",3);
1138 }
1139 }
1140 else {
1141 $answer =~ /<header>(\S+)<\/header>/;
1142 &send_msg_to_target($answer, $server_address, $server_key, $1);
1143 }
1145 # postprocessing
1146 if( $answer =~ "<header>new_key</header>") {
1147 # set new key to global variable
1148 $answer =~ /<new_key>(\S*?)<\/new_key>/;
1149 my $new_key = $1;
1150 $server_key = $new_key;
1151 }
1152 }
1154 }
1156 return;
1157 }
1159 sub find_servers {
1160 # add gosa-si-server address from config file at first position of server list
1161 my $server_check_cfg = Config::IniFiles->new( -file => $cfg_file );
1163 # Parse servers string
1164 my @conf_servers = split(',', $servers_string);
1166 # Now search for fallback servers in the configuration
1167 foreach my $cur_server (@conf_servers) {
1168 # Remove spaces from the IP
1169 $cur_server =~ s/\s//g;
1171 my $ip = $cur_server;
1172 if(not $cur_server =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/) {
1173 my $ip_address = inet_ntoa(scalar gethostbyname($ip));
1174 if(defined($ip_address) && $ip_address =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/) {
1175 # Write ip address to $server_ip variable
1176 $ip = $ip_address;
1177 }
1178 }
1180 my $server_addr = sprintf("%s:%s", $ip, $server_port);
1181 if (not grep { $_ eq $server_addr } @servers) {
1182 push(@servers, $server_addr);
1183 }
1184 }
1186 my $servers_string = join(", ", @servers);
1187 daemon_log("INFO: found servers in configuration file: $servers_string", 1);
1189 # Last but not least search for fallback servers in the DNS
1190 if (defined($opts_dnslookup) and $opts_dnslookup eq "true") {
1191 my @tmp_servers;
1192 if ( !$server_domain) {
1193 # Try our DNS Searchlist
1194 my @domain_list = &get_dns_domains();
1195 my $tmp_domains;
1196 my $error_string;
1197 for my $domain (@domain_list) {
1198 chomp($domain);
1199 ($tmp_domains, $error_string) = &get_server_addresses($domain);
1200 if(@$tmp_domains) {
1201 for my $tmp_server(@$tmp_domains) {
1202 push @tmp_servers, $tmp_server;
1203 }
1204 }
1205 }
1207 if (0 == @tmp_servers) {
1208 daemon_log("INFO: No servers found in DNS.", 1);
1209 }
1210 else {
1211 my $servers_string = join(", ", @tmp_servers);
1212 daemon_log("INFO: found servers in DNS: $servers_string", 1);
1213 }
1214 } else {
1215 @tmp_servers = &get_server_addresses($server_domain);
1216 if( 0 == @tmp_servers ) {
1217 daemon_log("INFO: No servers found in DNS for domain '$server_domain'",1);
1218 }
1219 }
1221 if ( 0 != @tmp_servers ) {
1222 foreach my $server_addr (@tmp_servers) {
1223 if (not grep { $_ eq $server_addr } @servers) {
1224 push(@servers, $server_addr);
1225 }
1226 }
1227 }
1228 }
1230 if (0 == scalar(@servers)) {
1231 daemon_log("ERROR: No servers found in the configuration or DNS.", 1);
1232 exit(1);
1233 }
1235 # Define first server as server_ip
1236 $server_ip = $servers[0];
1238 # prepare variables
1239 if( inet_aton($server_ip) ){ $server_ip = inet_ntoa(inet_aton($server_ip)); }
1240 if (defined $server_ip && defined $server_port) {
1241 $server_address = $server_ip.":".$server_port;
1242 }
1243 }
1245 #==== MAIN = main ==============================================================
1246 # parse commandline options
1247 Getopt::Long::Configure( "bundling" );
1248 GetOptions("h|help" => \&usage,
1249 "c|config=s" => \$cfg_file,
1250 "f|foreground" => \$foreground,
1251 "v|verbose+" => \$verbose,
1252 );
1254 # read and set config parameters
1255 &check_cmdline_param ;
1256 &read_configfile($cfg_file, %cfg_defaults);
1257 &check_pid;
1259 # parse head url and revision from svn
1260 my $client_status_hash = { 'developmental'=>'revision', 'stable'=>'release'};
1261 $client_version =~ /^\$HeadURL: (\S+) \$:\$Rev: (\d+) \$$/;
1262 $client_headURL = defined $1 ? $1 : 'unknown' ;
1263 $client_revision = defined $2 ? $2 : 'unknown' ;
1264 if ($client_headURL =~ /\/tag\// ||
1265 $client_headURL =~ /\/branches\// ) {
1266 $client_status = "stable";
1267 } else {
1268 $client_status = "developmental" ;
1269 }
1271 # Determine root uid and adm gid, used for creating log files
1272 $root_uid = getpwnam('root');
1273 $adm_gid = getgrnam('adm');
1274 if(not defined $adm_gid){
1275 $adm_gid = getgrnam('root');
1276 }
1279 daemon_log(" ", 1);
1280 daemon_log("$prg started!", 1);
1281 daemon_log("INFO: status: $client_status", 1);
1282 daemon_log("INFO: ".$client_status_hash->{$client_status}.": $client_revision", 1);
1284 # delete old DBsqlite lock files
1285 system('rm -f /tmp/gosa_si_lock*gosa-si-client*');
1287 # (re-)create FIFO
1288 if (-e $gosa_si_client_fifo) {
1289 daemon_log("INFO: $gosa_si_client_fifo exists - deleting", 5);
1290 if (1 != unlink($gosa_si_client_fifo)) {
1291 daemon_log("ERROR: unable to delete '$gosa_si_client_fifo': $!", 1);
1292 exit( 1 );
1293 }
1294 }
1295 if (! defined POSIX::mkfifo($gosa_si_client_fifo, "0600")) {
1296 daemon_log("ERROR: failed creating fifo: $!", 1);
1297 exit( 1 );
1298 }
1300 # Just fork, if we are not in foreground mode
1301 if( ! $foreground ) {
1302 if (! chdir('/')) {
1303 daemon_log("ERROR: Can't chdir to /: $!");
1304 exit( 1 );
1305 }
1306 umask( 0 );
1307 $pid = fork;
1308 } else {
1309 $pid = $$;
1310 }
1312 if( 0 != $pid ) {
1313 # Parent: put our PID into the $pid_file
1314 open( LOCK_FILE, ">$pid_file" );
1315 print LOCK_FILE "$pid\n";
1316 close( LOCK_FILE );
1317 if( !$foreground ) {
1318 exit( 0 );
1319 }
1320 }
1321 else {
1322 # Child
1323 open( STDIN, '+>/dev/null' );
1324 open( STDOUT, '+>&STDIN' );
1325 open( STDERR, '+>&STDIN' );
1326 if (! POSIX::setsid()) {
1327 deamon_log("ERROR: Can't start a new session: $!", 1);
1328 exit( 1 );
1329 }
1330 $poe_kernel->has_forked() if ($poe_kernel->can('has_forked'));
1331 }
1333 # detect ip and mac address and complete host address
1334 $client_address = $client_ip.":".$client_port;
1335 my $network_interface= &get_interface_for_ip($client_ip);
1336 $client_mac_address= &get_mac($network_interface);
1337 daemon_log("INFO: ip address detected: $client_ip", 1);
1338 daemon_log("INFO: gosa-si-client mac address detected: $client_mac_address", 1);
1341 # import events
1342 my ($error, $result, $tmp_hash) = &import_events($event_dir);
1343 while (my ($module, $mod_event_hash) = each %$tmp_hash) {
1344 while (my ($event_name, $nothing) = each %$mod_event_hash) {
1345 $event_hash->{$event_name} = $module;
1346 }
1347 }
1349 foreach my $log_line (@$result) {
1350 if ($log_line =~ / succeed: /) {
1351 &main::daemon_log("0 DEBUG: $log_line", 7);
1352 } else {
1353 &main::daemon_log("0 ERROR: $log_line", 1);
1354 }
1355 }
1358 # compute hardware checksum
1359 $gotoHardwareChecksum= &generate_hw_digest();
1360 daemon_log("INFO: gotoHardwareChecksum detected: $gotoHardwareChecksum", 1);
1363 # create socket for incoming xml messages
1364 POE::Component::Server::TCP->new(
1365 Alias => 'gosa-si-client',
1366 Port => $client_port,
1367 ClientInput => \&server_input,
1368 );
1369 daemon_log("INFO: start socket for incoming xml messages at port '$client_port' ", 1);
1371 $xml = new XML::Simple();
1372 $default_server_key = $server_key;
1374 # Find servers from config and DNS
1375 &find_servers;
1377 POE::Session->create(
1378 inline_states => {
1379 _start => \&_start,
1380 _stop => \&_stop,
1381 _default => \&_default,
1382 register_at_gosa_si_server => \®ister_at_gosa_si_server,
1384 # trigger periodical tasks
1385 trigger_new_key => \&trigger_new_key,
1386 trigger_logged_in_users_report => \&trigger_logged_in_users_report,
1387 trigger_seen_messages => \&trigger_seen_messages,
1389 # handle records from each defined file differently
1390 fifo_record => \&fifo_got_record,
1392 # handle file resets and errors the same way for each file
1393 file_reset => \&generic_file_reset,
1394 file_error => \&generic_file_error,
1395 }
1396 );
1398 POE::Kernel->run();
1399 exit;