1 #!/usr/bin/perl
2 #*********************************************************************
3 #
4 # gosa-si-client -- client for the gosa-si-server
5 #
6 # (c) 2007-2009 by Andreas Rettenberger <rettenberger@gonicus.de>
7 # (c) 2008-2010 by Cajus Pollmeier <pollmeier@gonicus.de>
8 # (c) 2008-2009 by Jan Wenzel <wenzel@gonicus.de>
9 # (c) 2010 by Benoit Mortier <benoit.mortier@opensides.be>
10 #
11 #*********************************************************************
13 =head1 NAME
15 gosa-si-client - Client for GOsa support infrastructure
17 =head1 SYNOPSIS
19 gosa-si-client [-hvf] [-c config]
21 =head1 OPTIONS
23 B<-h>, B<--help>
24 print out this help message
26 B<-v>, B<--verbose>
27 be verbose (multiple v's will increase verbosity)
28 -v ERROR level
29 -vvv WARNING + ERROR level
30 -vvvvv INFO + WARNING level
31 -vvvvvvv DEBUG + INFO level
32 -vvvvvvvvv in and out going xml messages will be displayed
34 B<-f>, B<--foreground>
35 foregroud, process will not be forked to background
37 B<-c> I<file>, B<--config=>I<file>
38 configuration file, default F</etc/gosa-si/client.conf>
40 B<-x> <dump>
41 dump configuration to stdout
42 ( 1 = current, 2 = default )
44 =head1 DESCRIPTION
46 B<gosa-si-client> belongs to the support infrastructure of GOsa.
47 The client registrates at a GOsa-SI-server and accepts messages from it.
48 Each message is related to a working instruction which will be executed on the client.
49 Depending on the message an answer can be send back to the server.
51 =head1 BUGS
53 Please report any bugs, or post any suggestions, to the GOsa mailing list <gosa-devel@oss.gonicus.de> or to <https://oss.gonicus.de/labs/gosa>
56 =head1 LICENCE AND COPYRIGHT
58 This code is part of GOsa (L<http://www.gosa-project.org>)
60 Copyright (C) 2003-2010 GONICUS GmbH
62 This program is distributed in the hope that it will be useful,
63 but WITHOUT ANY WARRANTY; without even the implied warranty of
64 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
65 GNU General Public License for more details.
67 =cut
69 use strict;
70 use warnings;
72 use Getopt::Long;
73 use Config::IniFiles;
74 use Time::HiRes qw( gettimeofday );
75 use IO::Socket::INET;
76 use NetAddr::IP;
77 use Crypt::Rijndael;
78 use GOsaSI::GosaSupportDaemon;
79 use Digest::MD5 qw(md5_hex md5 md5_base64);
80 use MIME::Base64;
81 use XML::Simple;
82 use File::Basename;
83 use File::Spec;
84 use File::Pid;
85 use Net::ARP;
87 use POE qw(Component::Server::TCP Wheel::FollowTail Wheel::Run);
88 use Fcntl;
89 use POSIX;
91 # Workaround: need pure perl to make it work with UTF-8 :-(
92 $XML::Simple::PREFERRED_PARSER= "XML::SAX::PurePerl";
94 my $client_version = '$HeadURL$:$Rev$';
96 my $client_headURL;
97 my $client_revision;
98 my $client_status;
99 my $event_dir = "/usr/lib/gosa-si/client/events";
100 use lib "/usr/lib/gosa-si/client/events";
102 my (%cfg_defaults, $foreground, $pid_file, $procid, $pid, $log_file, $fai_logpath);
103 my ($server_ip, $server_port, $server_timeout, $server_domain, $server_key_lifetime);
104 my ($client_port, $ldap_enabled, $ldap_config, $pam_config, $nss_config);
105 my ($root_uid, $adm_gid);
106 my $xml;
107 my $event_hash;
108 my $default_server_key;
109 my @servers;
110 my $gotoHardwareChecksum;
111 my $system_com;
112 my $servers_string;
114 my $client_status_hash = { 'developmental'=>'revision', 'stable'=>'release'};
116 # globalise variables which are used in imported events
117 our $global_kernel;
118 our $cfg_file;
119 our $opts_file;
120 our $server_address;
121 our $client_address;
122 our $client_ip;
123 our $client_mac_address;
124 our $client_dnsname;
125 our $client_force_hostname;
126 our $server_key;
127 our $terminal_server_hash;
128 our $opts_dnslookup;
129 our $verbose= 0;
131 # where is the config stored by default and his name
132 our $config = '/etc/gosa-si/client.conf';
134 # by default dumping of config is undefined
135 our $dump_config = undef;
137 # default variables
138 my $REGISTERED = 0;
140 # path to fifo for non-gosa-si-client messages to gosa-si-server
141 my $fai_com_fifo = "/var/run/gosa-si/gosa-si-client.socket";
142 my $system_com_fifo = "/var/run/gosa-si/gosa-si-client-system-com.socket";
143 my %files_to_watch = (fai_fifo => $fai_com_fifo, system_fifo => $system_com_fifo);
145 # in function register_at_gosa_si_server, after which period of seconds a new registration should be tried if a registration was not successful until now
146 my $delay_set_time = 10;
147 #our $prg= basename($0);
149 # all n seconds the client reports logged_in users to gosa-si-server
150 my $trigger_logged_in_users_report_delay = 600;
152 # all n seconds the client reports messages seen by user
153 my $trigger_seen_messages_delay = 30;
155 # directory where all log files from installation are stored
156 my $fai_log_dir = "/var/log/fai";
158 %cfg_defaults = (
159 "General" =>
160 {"log-file" => [\$log_file, "/var/log/gosa-si/gosa-si.log"],
161 "pid-file" => [\$pid_file, "/var/run/gosa-si/gosa-si-client.pid"],
162 "opts-file" => [\$opts_file, "/var/run/gosa-si/gosa-si-client.opts"],
163 },
164 "Client" =>
165 {"port" => [\$client_port, "20083"],
166 "ip" => [\$client_ip, "0.0.0.0"],
167 "mac-address" => [\$client_mac_address, "00:00:00:00:00:00"],
168 "server-domain" => [\$server_domain, ""],
169 "ldap" => [\$ldap_enabled, 1],
170 "ldap-config" => [\$ldap_config, "/etc/ldap/ldap.conf"],
171 "pam-config" => [\$pam_config, "/etc/pam_ldap.conf"],
172 "nss-config" => [\$nss_config, "/etc/libnss-ldap.conf"],
173 "fai-logpath" => [\$fai_logpath, "/var/log/fai/fai.log"],
174 "force-hostname" => [\$client_force_hostname, "false"],
175 "system-com" => [\$system_com, "disabled"],
176 },
177 "Server" => {
178 "ip" => [\$servers_string, "127.0.0.1"],
179 "port" => [\$server_port, "20081"],
180 "key" => [\$server_key, ""],
181 "timeout" => [\$server_timeout, 10],
182 "key-lifetime" => [\$server_key_lifetime, 600],
183 "dns-lookup" => [\$opts_dnslookup, "true"],
184 },
186 );
189 #=== FUNCTIONS = functions =====================================================
191 #############################
192 #
193 # @brief Display error message and/or help text.
194 #
195 # In correspondence to previous GetOptions
196 #
197 # @param $text - string to print as error message
198 # @param $help - set true, if you want to show usage help
199 #
200 sub usage
201 {
202 my( $text, $help ) = @_;
204 $text = undef if( 'h' eq $text );
205 (defined $text) && print STDERR "\n$text\n";
207 if( (defined $help && $help)
208 || (!defined $help && !defined $text) )
209 {
210 print STDERR << "EOF";
212 usage: $0 [-hvf] [-c config]
214 -h : this (help) message
215 -c <file> : config file (default: ${config})
216 -x <cfg> : dump configuration to stdout
217 ( 1 = current, 2 = default )
218 -f : foreground (don't fork)
219 -v : be verbose (multiple to increase verbosity)
220 EOF
221 }
222 print( "\n" );
224 exit( -1 );
225 }
227 #############################
228 #
229 # @brief Manage gosa-si-client configuration.
230 #
231 # Will exit after successfull dump to stdout (type = 1 | 2)
232 #
233 # Dump type can be:
234 # 1: Current gosa-si-client configuration in config file (exit)
235 # 2: Default gosa-si-client configuration (exit)
236 # 3: Dump to logfile (no exit)
237 #
238 # @param int config type
239 #
240 sub dump_configuration {
242 my( $cfg_type ) = @_;
244 return if( ! defined $cfg_type );
246 if(1==$cfg_type ) {
247 print( "# Current gosa-si-client configuration\n" );
248 } elsif (2==$cfg_type) {
249 print( "# Default gosa-si-client configuration\n" );
250 } elsif (3==$cfg_type) {
251 daemon_log( "Dumping gosa-si-client configuration\n", 2 );
252 } else {
253 return;
254 }
256 foreach my $section (keys %cfg_defaults) {
257 if( 3 != $cfg_type ) {
258 print( "\n[${section}]\n" );
259 } else {
260 daemon_log( "\n [${section}]\n", 3 );
261 }
263 foreach my $param (sort( keys %{$cfg_defaults{ $section }})) {
264 my $pinfo = $cfg_defaults{ $section }{ $param };
265 my $value;
266 if (1==$cfg_type) {
267 if( defined( ${@$pinfo[ 0 ]} ) ) {
268 $value = ${@$pinfo[ 0 ]};
269 print( "$param=$value\n" );
270 } else {
271 print( "#${param}=\n" );
272 }
273 } elsif (2==$cfg_type) {
274 $value = @{$pinfo}[ 1 ];
275 if( defined( @$pinfo[ 1 ] ) ) {
276 $value = @{$pinfo}[ 1 ];
277 print( "$param=$value\n" );
278 } else {
279 print( "#${param}=\n" );
280 }
281 } elsif (3==$cfg_type) {
282 if( defined( ${@$pinfo[ 0 ]} ) ) {
283 $value = ${@$pinfo[ 0 ]};
284 daemon_log( " $param=$value\n", 3 )
285 }
286 }
287 }
288 }
291 # We just exit at stdout dump
292 if( 3 == $cfg_type ) {
293 daemon_log( "\n", 3 );
294 } else {
295 exit( 0 );
296 }
297 }
299 #############################
300 #
301 # @brief When caching an interrupt remove file pid and stopping gosa-si
302 #
303 sub sig_int_handler {
304 my ($signal) = @_;
306 daemon_log("shutting down gosa-si-client", 1);
308 # to be changed crude !!
309 # system("kill `ps -C gosa-si-server -o pid=`");
310 $global_kernel->yield('shutdown');
312 unlink ('/var/run/gosa-si/gosa-si-client.opts');
314 unlink ($fai_com_fifo);
316 $pid->remove or warn "Could not remove $pid_file\n";
318 exit(0);
319 }
320 $SIG{INT} = \&sig_int_handler;
322 #=== FUNCTION ================================================================
323 # NAME: logging
324 # PARAMETERS: level - string - default 'info'
325 # msg - string -
326 # facility - string - default 'LOG_DAEMON'
327 # RETURNS:
328 # DESCRIPTION:
329 #===============================================================================
330 sub daemon_log {
331 # log into log_file
332 my( $msg, $level ) = @_;
333 if(not defined $msg) { return }
334 if(not defined $level) { $level = 1 }
335 if(defined $log_file){
336 my $open_log_fh = sysopen(LOG_HANDLE, $log_file, O_WRONLY | O_CREAT | O_APPEND , 0440);
337 if(not $open_log_fh) {
338 print STDERR "cannot open $log_file: $!";
339 return;
340 }
341 # check owner and group of log_file and update settings if necessary
342 my ($dev, $ino, $mode, $nlink, $uid, $gid, $rdev, $size, $atime, $mtime, $ctime, $blksize, $blocks) = stat($log_file);
343 if((not $uid eq $root_uid) || (not $gid eq $adm_gid)) {
344 chown($root_uid, $adm_gid, $log_file);
345 }
347 chomp($msg);
348 if($level <= $verbose){
349 my ($seconds, $minutes, $hours, $monthday, $month,
350 $year, $weekday, $yearday, $sommertime) = localtime(time);
351 $hours = $hours < 10 ? $hours = "0".$hours : $hours;
352 $minutes = $minutes < 10 ? $minutes = "0".$minutes : $minutes;
353 $seconds = $seconds < 10 ? $seconds = "0".$seconds : $seconds;
354 my @monthnames = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
355 $month = $monthnames[$month];
356 $monthday = $monthday < 10 ? $monthday = "0".$monthday : $monthday;
357 $year+=1900;
359 # Microseconds since epoch
360 my $microSeconds = sprintf("%.2f", &Time::HiRes::clock_gettime());
361 $microSeconds =~ s/^\d*(.\d\d)$/$1/;
364 my $log_msg = "$month $monthday $hours:$minutes:$seconds$microSeconds gosa-si-client $msg\n";
365 print LOG_HANDLE $log_msg;
366 if( $foreground ) {
367 print STDERR $log_msg;
368 }
369 }
370 close( LOG_HANDLE );
371 }
372 }
375 #=== FUNCTION ================================================================
376 # NAME: get_mac
377 # PARAMETERS: interface name (i.e. eth0)
378 # RETURNS: (mac address)
379 # DESCRIPTION: Uses ioctl to get mac address directly from system.
380 #===============================================================================
381 sub get_mac {
382 my $ifreq= shift;
383 my $result;
384 if ($ifreq && length($ifreq) > 0) {
385 if($ifreq eq "all") {
386 if(defined($server_ip)) {
387 $result = &get_local_mac_for_remote_ip($server_ip);
388 }
389 elsif ($client_mac_address && length($client_mac_address) > 0 && !($client_mac_address eq "00:00:00:00:00:00")){
390 $result = &client_mac_address;
391 }
392 else {
393 $result = "00:00:00:00:00:00";
394 }
395 } else {
396 # A configured MAC Address should always override a guessed value
397 if ($client_mac_address and length($client_mac_address) > 0 and not($client_mac_address eq "00:00:00:00:00:00")) {
398 $result= $client_mac_address;
399 }
400 else {
401 $result = Net::ARP::get_mac($ifreq);
402 }
403 }
404 }
405 return $result;
406 }
410 #=== FUNCTION ================================================================
411 # NAME: get_local_mac_for_remote_ip
412 # PARAMETERS: none (takes server_ip from global variable)
413 # RETURNS: (ip address from interface that is used for communication)
414 # DESCRIPTION: Uses ioctl to get routing table from system, checks which entry
415 # matches (defaultroute last).
416 #===============================================================================
417 sub get_local_mac_for_remote_ip {
418 my $server_ip= shift;
419 my $result= "00:00:00:00:00:00";
421 if($server_ip =~ /^[a-z][a-z0-9\.]+/i) {
422 my $ip_address = inet_ntoa(scalar gethostbyname($server_ip));
423 if(defined($ip_address) && $ip_address =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/) {
424 # Write ip address to $server_ip variable
425 $server_ip = $ip_address;
426 }
427 }
429 if($server_ip =~ /^(\d\d?\d?\.){3}\d\d?\d?$/) {
430 my $PROC_NET_ROUTE= ('/proc/net/route');
432 open(my $PROC_NET, "<","$PROC_NET_ROUTE")
433 or die "Could not open $PROC_NET_ROUTE";
435 my @ifs = <$PROC_NET>;
437 close($PROC_NET);
439 # Eat header line
440 shift @ifs;
441 chomp @ifs;
442 foreach my $line(@ifs) {
443 my ($Iface,$Destination,$Gateway,$Flags,$RefCnt,$Use,$Metric,$Mask,$MTU,$Window,$IRTT)=split(/\s/, $line);
444 my $destination;
445 my $mask;
446 my ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Destination);
447 $destination= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
448 ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Mask);
449 $mask= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
450 if(new NetAddr::IP($server_ip)->within(new NetAddr::IP($destination, $mask))) {
451 # destination matches route, save mac and exit
452 $result= &get_mac($Iface);
453 last;
454 }
455 }
456 } else {
457 daemon_log("get_local_mac_for_remote_ip was called with a non-ip parameter: $server_ip", 1);
458 }
459 return $result;
460 }
463 sub generate_hw_digest {
464 my $hw_data;
465 foreach my $line (split /\n/, `cat /proc/bus/pci/devices`) {
466 $hw_data.= sprintf "%s", $line =~ /[^\s]+\s([^\s]+)\s.*/;
467 }
468 # linux-vserver has no /proc/bus/pci/devices
469 if ( !$hw_data ) {
470 foreach my $line (split /\n/, `ifconfig | grep HWaddr`) {
471 $hw_data.= sprintf "%s", $line =~ /[^\s]+\s([^\s]+)\s.*/;
472 }
473 }
474 return(md5_base64($hw_data));
475 }
478 sub create_ciphering {
479 my ($passwd) = @_;
480 if((!defined($passwd)) || length($passwd)==0) {
481 $passwd = "";
482 }
483 $passwd = substr(md5_hex("$passwd") x 32, 0, 32);
484 my $iv = substr(md5_hex('GONICUS GmbH'),0, 16);
485 my $my_cipher = Crypt::Rijndael->new($passwd , Crypt::Rijndael::MODE_CBC());
486 $my_cipher->set_iv($iv);
487 return $my_cipher;
488 }
491 sub encrypt_msg {
492 my ($msg, $key) = @_;
493 my $my_cipher = &create_ciphering($key);
494 my $len;
495 {
496 use bytes;
497 $len= 16-length($msg)%16;
498 }
499 $msg = "\0"x($len).$msg;
500 $msg = $my_cipher->encrypt($msg);
501 chomp($msg = &encode_base64($msg));
502 # there are no newlines allowed inside msg
503 $msg=~ s/\n//g;
504 return $msg;
505 }
508 sub decrypt_msg {
510 my ($msg, $key) = @_ ;
511 $msg = &decode_base64($msg);
512 my $my_cipher = &create_ciphering($key);
513 $msg = $my_cipher->decrypt($msg);
514 $msg =~ s/\0*//g;
515 return $msg;
516 }
519 #=== FUNCTION ================================================================
520 # NAME: send_msg_hash_to_target
521 # PARAMETERS: msg_hash - hash - xml_hash created with function create_xml_hash
522 # PeerAddr string - socket address to send msg
523 # PeerPort string - socket port, if not included in socket address
524 # RETURNS: nothing
525 # DESCRIPTION: ????
526 #===============================================================================
527 sub send_msg_hash_to_target {
528 my ($msg_hash, $address, $encrypt_key) = @_ ;
529 my $msg = &create_xml_string($msg_hash);
530 my $header = @{$msg_hash->{'header'}}[0];
531 my $error = &send_msg_to_target($msg, $address, $encrypt_key, $header);
533 return $error;
534 }
536 sub _setREGISTERED {
537 my $newStatus = shift;
538 &daemon_log("DEBUG: set REGISTERED flag from '$REGISTERED' to '$newStatus'", 7);
539 $REGISTERED = $newStatus;
540 return;
541 }
543 sub send_msg_to_target {
544 my ($msg, $address, $encrypt_key, $msg_header) = @_ ;
545 my $error = 0;
547 if( $msg_header ) { $msg_header = "'$msg_header'-"; }
548 else { $msg_header = ""; }
550 # Memorize own source address
551 $msg =~ /<source>(\S+)<\/source>/;
552 my $own_source_address = $1;
554 # encrypt xml msg
555 my $crypted_msg = &encrypt_msg($msg, $encrypt_key);
557 # opensocket
558 my $socket = &open_socket($address);
559 if( !$socket ) {
560 daemon_log("WARNING: cannot send ".$msg_header."msg to '$address', host not reachable", 3);
561 if ($REGISTERED == 1) {
562 &_setREGISTERED(0); # if server is not available, cause reregistering
563 daemon_log("INFO: cause reregistering at gosa-si-server", 5);
564 $global_kernel->post('client_session', 'register_at_gosa_si_server');
566 }
567 $error++;
568 }
570 # send xml msg
571 if( $error == 0 ) {
572 print $socket $crypted_msg.";$own_source_address\n";
573 daemon_log("INFO: send ".$msg_header."msg to $address", 5);
574 daemon_log("DEBUG: message:\n$msg", 9);
575 }
577 # close socket in any case
578 if( $socket ) {
579 close $socket;
580 }
582 return $error;
583 }
586 sub write_to_file {
587 my ($string, $file) = @_;
588 my $error = 0;
590 if( not defined $file || not -f $file ) {
591 &main::daemon_log("ERROR: gosa-si-client : check '-f file' failed: $file", 1);
592 $error++;
593 }
594 if( not defined $string || 0 == length($string)) {
595 &main::daemon_log("ERROR: gosa-si-client : empty string to write to file '$file'", 1);
596 $error++;
597 }
599 if( $error == 0 ) {
601 chomp($string);
603 if (open(my $FILE, ">>", "$file")){
604 print $FILE $string."\n";
605 close($FILE);
606 }
607 }
609 return;
610 }
613 sub open_socket {
614 my ($PeerAddr, $PeerPort) = @_ ;
615 if(defined($PeerPort)){
616 $PeerAddr = $PeerAddr.":".$PeerPort;
617 }
618 my $socket;
619 $socket = new IO::Socket::INET(PeerAddr => $PeerAddr,
620 Porto => "tcp",
621 Type => SOCK_STREAM,
622 Timeout => 5,
623 );
624 if(not defined $socket) {
625 return;
626 }
627 &daemon_log("DEBUG: open_socket: $PeerAddr", 7);
628 return $socket;
629 }
632 #=== FUNCTION ================================================================
633 # NAME: register_at_server
634 # PARAMETERS:
635 # RETURNS:
636 # DESCRIPTION:
637 #===============================================================================
638 sub register_at_gosa_si_server {
639 my ($kernel) = $_[KERNEL];
640 my $try_to_register = 0;
642 if ($REGISTERED) {
643 # Client is already registered, clear all other registration events
644 $kernel->delay('register_at_gosa_si_server');
645 } else {
646 # Client is not registered, start registration process
647 # Clear all other events and wait till registration was successful
648 $kernel->delay('register_at_gosa_si_server');
649 $kernel->delay('trigger_new_key');
651 # Create new passwd and ciphering object for client-server communication
652 $server_key = &create_passwd();
654 my $events = join( ",", keys %{$event_hash} );
655 while(1) {
656 $try_to_register++;
658 # after one complete round through all server, stop trying to register
659 if( $try_to_register > @servers ) { last; }
661 # fetch first gosa-si-server from @servers
662 # append shifted gosa-si-server at the end of @servers, so looking for servers never stop if
663 # a registration never occured
664 my $server = shift(@servers);
665 push( @servers, $server );
667 # Check if $server is a valid server address
668 if(!(defined($server) && $server =~ m/^[0-9\.]*?:.*$/)) {
669 &main::daemon_log("ERROR: Server with address '".defined($server)?$server:""."' is invalid!", 1);
670 if (length(@servers) == 1) {
671 &main::daemon_log("ERROR: No valid servers found!", 1);
672 exit(1);
673 }
674 }
676 # Check if our ip is resolvable - if not: don't try to register
677 my $ip= &get_local_ip_for_remote_ip(sprintf("%s", $server =~ /^([0-9\.]*?):.*$/));
678 my $dnsname= gethostbyaddr(inet_aton($ip), AF_INET);
679 if(!defined($dnsname)) {
680 if( defined($client_force_hostname) && $client_force_hostname eq "true") {
681 $dnsname = `hostname`;
682 } else {
683 &write_to_file("goto-error-dns:$ip", $fai_logpath);
684 &main::daemon_log("ERROR: ip is not resolvable, no registration possible. Write 'goto-error-dns:$ip' to $fai_logpath", 1);
685 exit(1);
686 }
687 }
689 # create registration msg
690 my $local_ip = &get_local_ip_for_remote_ip(sprintf("%s", $server =~ /^([0-9\.]*?):.*$/));
691 my $local_mac = &get_local_mac_for_remote_ip(sprintf("%s", $server =~ /^([0-9\.]*?):.*$/));
692 my $register_hash = &create_xml_hash("here_i_am", $local_ip.":".$client_port, $server);
693 &add_content2xml_hash($register_hash, "new_passwd", $server_key);
694 &add_content2xml_hash($register_hash, "mac_address", $local_mac);
695 &add_content2xml_hash($register_hash, "events", $events);
696 &add_content2xml_hash($register_hash, "client_status", $client_status);
697 &add_content2xml_hash($register_hash, "client_revision", $client_revision);
698 &add_content2xml_hash($register_hash, "gotoHardwareChecksum", $gotoHardwareChecksum);
699 &add_content2xml_hash($register_hash, "key_lifetime", $server_key_lifetime);
701 # Add $HOSTNAME from ENV if force-hostname is set
702 if( defined($client_force_hostname) && $client_force_hostname eq "true") {
703 if(defined($ENV{HOSTNAME}) && length($ENV{HOSTNAME}) >0 ) {
704 &add_content2xml_hash($register_hash, "force-hostname", $ENV{HOSTNAME});
705 } else {
706 &main::daemon_log("force-hostname was set to true, but no \$HOSTNAME was found in Environment!",0);
707 }
708 }
710 # send xml hash to server with general server passwd
711 my $res = &send_msg_hash_to_target($register_hash, $server, $default_server_key);
713 # if delivery of registration msg succeed
714 if($res eq "0") {
715 # reset try_to_register
716 $try_to_register = 0;
718 # Set fixed client address and mac address
719 $client_ip= &get_local_ip_for_remote_ip(sprintf("%s", $server =~ /^([0-9\.]*?):.*$/));
720 $client_address= "$client_ip:$client_port";
721 $client_mac_address = $local_mac;
722 $client_dnsname = $dnsname;
723 last;
725 # delivery of registration msg failed
726 } else {
727 # wait 1 sec until trying to register again
728 sleep(1);
729 next;
730 }
732 } # end of while
734 if ( $try_to_register >= @servers ) {
735 # One circle through all servers finished and no registration succeed
736 &write_to_file("gosa-si-no-server-available", $fai_logpath);
737 } else {
738 # Delivery of registraion msg succeed, waiting for server response
739 daemon_log("INFO: waiting for msg 'register_at_gosa_si_server'",5);
740 # Clear old settings and set it again
741 $kernel->delay('trigger_new_key');
742 $kernel->delay_set('trigger_new_key', $server_key_lifetime);
743 }
745 # Set waiting time for 'register_at_gosa_si_server'-event
746 $kernel->delay_set('register_at_gosa_si_server', $delay_set_time);
747 }
748 return;
749 }
752 sub check_key_and_xml_validity {
753 my ($crypted_msg, $module_key) = @_;
755 my $msg;
756 my $msg_hash;
757 eval{
758 $msg = &decrypt_msg($crypted_msg, $module_key);
759 &main::daemon_log("decrypted_msg: \n$msg", 9);
761 $msg_hash = $xml->XMLin($msg, ForceArray=>1);
763 ##############
764 # check header
765 my $header_l = $msg_hash->{'header'};
766 if( 1 != @{$header_l} ) {
767 die 'no or more headers specified';
768 }
769 my $header = @{$header_l}[0];
770 if( 0 == length $header) {
771 die 'header has length 0';
772 }
774 ##############
775 # check source
776 my $source_l = $msg_hash->{'source'};
777 if( 1 != @{$source_l} ) {
778 die 'no or more than 1 sources specified';
779 }
780 my $source = @{$source_l}[0];
781 if( 0 == length $source) {
782 die 'source has length 0';
783 }
784 unless( $source =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ) {
785 die "source '$source' is neither a complete ip-address with port nor 'GOSA'";
786 }
788 ##############
789 # check target
790 my $target_l = $msg_hash->{'target'};
791 if( 1 != @{$target_l} ) {
792 die 'no or more than 1 targets specified ';
793 }
794 my $target = @{$target_l}[0];
795 if( 0 == length $target) {
796 die 'target has length 0 ';
797 }
798 unless( $target =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ){
799 die "source is neither a complete ip-address with port nor 'GOSA'";
800 }
801 };
802 if($@) {
803 &main::daemon_log("WARNING: do not understand the message or msg is not gosa-si envelope conform:", 5);
804 &main::daemon_log("$@", 8);
805 $msg = undef;
806 $msg_hash = undef;
807 }
809 return ($msg, $msg_hash);
810 }
813 sub check_outgoing_xml_validity {
814 my ($msg) = @_;
816 my $msg_hash;
817 eval{
818 $msg_hash = $xml->XMLin($msg, ForceArray=>1);
820 ##############
821 # check header
822 my $header_l = $msg_hash->{'header'};
823 if( 1 != @{$header_l} ) {
824 die 'no or more than one headers specified';
825 }
826 my $header = @{$header_l}[0];
827 if( 0 == length $header) {
828 die 'header has length 0';
829 }
831 ##############
832 # check source
833 my $source_l = $msg_hash->{'source'};
834 if( 1 != @{$source_l} ) {
835 die 'no or more than 1 sources specified';
836 }
837 my $source = @{$source_l}[0];
838 if( 0 == length $source) {
839 die 'source has length 0';
840 }
841 unless( $source =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ||
842 $source =~ /^GOSA$/i ) {
843 die "source '$source' is neither a complete ip-address with port";
844 }
846 ##############
847 # check target
848 my $target_l = $msg_hash->{'target'};
849 if( 1 != @{$target_l} ) {
850 die "no or more than one targets specified";
851 }
852 foreach my $target (@$target_l) {
853 if( 0 == length $target) {
854 die "target has length 0";
855 }
856 unless( $target =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ) {
857 die "target '$target' is not a complete ip-address with port or a valid target name";
858 }
859 }
860 };
861 if($@) {
862 daemon_log("WARNING: outgoing msg is not gosa-si envelope conform", 5);
863 daemon_log("$@ $msg", 8);
864 $msg_hash = undef;
865 }
866 return ($msg_hash);
867 }
870 sub trigger_new_key {
871 my ($kernel) = $_[KERNEL] ;
873 my $msg = "<xml><header>new_key</header><source>$client_address</source><target>$client_address</target></xml>";
874 &send_msg_to_target($msg, $client_address, $server_key, 'new_key');
876 $kernel->delay_set('trigger_new_key', $server_key_lifetime);
877 }
880 sub trigger_logged_in_users_report {
881 my ($kernel) = $_[KERNEL] ;
883 # just do if client is registered already
884 if( $REGISTERED ) {
885 my $result = qx(/usr/bin/users);
886 my @logged_in_user_list;
887 if( defined $result ) {
888 chomp($result);
889 @logged_in_user_list = split(/\s/, $result);
890 }
892 system("echo 'CURRENTLY_LOGGED_IN ".join(" ", @logged_in_user_list)."' > /var/run/gosa-si/gosa-si-client.socket");
893 $kernel->delay_set('trigger_logged_in_users_report', $trigger_logged_in_users_report_delay);
894 } else {
895 # try it in 10 sec again
896 $kernel->delay_set('trigger_logged_in_users_report', 10);
897 }
898 }
900 sub trigger_set_terminal_server
901 {
902 # Function is defined in load_reporter.pm
903 if (exists $event_hash->{set_terminal_server})
904 {
905 no strict 'refs';
906 &{$event_hash->{set_terminal_server}."::set_terminal_server"};
907 }
908 else
909 {
910 &daemon_log("0 ERROR: load_reporter.pm needs function set_terminal_server to write terminal server load information to client. Processing aborted!", 1);
911 }
912 return;
913 }
915 sub trigger_seen_messages {
916 my ($kernel) = $_[KERNEL] ;
918 # Select all files under /tmp with prefix 'goto_notify'
919 my $goto_dir = "/tmp";
920 opendir(DIR, $goto_dir);
921 my @goto_files = grep { /.+\.goto_notify$/ && -f "$goto_dir/$_" } readdir(DIR);
922 closedir DIR;
924 # Check if file has 'seen' tag
925 foreach my $goto_file (@goto_files) {
926 open(my $FILE, "$goto_dir/$goto_file");
927 my @lines = <$FILE>;
928 close($FILE);
930 my $source;
931 my $target;
932 my $usr;
933 my $subject;
934 my $message;
935 my $seen = 0;
936 chomp(@lines);
937 foreach my $line (@lines) {
938 if ($line =~ /^source:([\S\s]*)$/) {
939 $source = $1
940 }
941 if ($line =~ /^target:([\S\s]*)$/) {
942 $target = $1;
943 }
944 if ($line =~ /^usr:([\S\s]*)$/) {
945 $usr = $1;
946 }
947 if ($line =~ /^subject:([\S\s]*)$/) {
948 $subject = $1;
949 }
950 if ($line =~ /^message:([\S\s]*)$/) {
951 $message = $1;
952 }
953 if ($line =~ /^seen$/) {
954 $seen++;
955 }
956 }
958 # Send 'confirm_usr_msg' back to msg-hosting server
959 if ($seen) {
960 my %data = ('usr'=>$usr, 'subject'=>$subject, 'message'=>$message);
961 my $confirm_msg = &build_msg("confirm_usr_msg", $target, $source, \%data);
962 my $send_error = &send_msg_to_target($confirm_msg, $server_address, $server_key);
964 # Delete file
965 if (not $send_error) {
966 system("rm $goto_dir/$goto_file");
967 }
968 }
969 }
971 $kernel->delay_set('trigger_seen_messages', $trigger_seen_messages_delay);
973 return;
974 }
977 sub generic_file_error {
978 my ( $heap, $operation, $errno, $error_string, $wheel_id ) =
979 @_[ HEAP, ARG0, ARG1, ARG2, ARG3 ];
981 my $service = $heap->{services}->{$wheel_id};
982 daemon_log("ERROR: '$service' watcher $operation error $errno: $error_string", 1);
983 daemon_log("ERROR: shutting down '$service' file watcher", 1);
985 delete $heap->{services}->{$wheel_id};
986 delete $heap->{watchers}->{$wheel_id};
987 return;
988 }
991 sub fai_fifo_got_record {
992 my $file_record = $_[ARG0];
993 my $header;
994 my $content = "";
995 daemon_log("DEBUG: fifo got record: $file_record", 7);
997 $file_record =~ /^(\S+)[ ]?([\s\S]+)?$/;
998 if( defined $1 ) {
999 $header = $1;
1000 } else {
1001 return;
1002 }
1004 if( defined $2 ) {
1005 $content = $2;
1006 }
1008 my $clmsg_hash = &create_xml_hash("CLMSG_$header", $client_address, $server_address, $content);
1009 &add_content2xml_hash($clmsg_hash, "macaddress", $client_mac_address);
1010 my $utc_ts = &main::get_utc_time();
1011 &add_content2xml_hash($clmsg_hash, "timestamp", $utc_ts);
1012 my $clmsg = &create_xml_string($clmsg_hash);
1013 &send_msg_to_target($clmsg, $server_address, $server_key, "CLMSG_$header");
1015 # if installation finished, save all log files
1016 if ($file_record eq "TASKBEGIN finish") {
1017 &save_fai_log($fai_log_dir);
1018 }
1020 return;
1021 }
1024 sub system_fifo_got_record {
1025 my ($kernel, $socket_com_record) = @_[KERNEL, ARG0];
1026 $socket_com_record =~ /^(\S+)\s?([\s\S]*)$/;
1027 my $function = $1;
1028 my $content = $2;
1030 if( exists $event_hash->{$function} )
1031 {
1032 # a event exists with the header as name
1033 daemon_log("INFO: found event '$function' at event-module '".$event_hash->{$function}."'", 5);
1034 no strict 'refs';
1035 my $answer = &{$event_hash->{$function}."::$function"}($content, $kernel);
1036 &post_processing_and_sending($answer)
1037 }
1038 else
1039 {
1040 daemon_log("ERROR: Got input '$socket_com_record' from socket '$system_com_fifo'", 1);
1041 daemon_log("ERROR: No event '$function' found in event modules under '$event_dir'.", 1);
1042 }
1044 # # Sanity check of fifo record
1045 #
1046 # # Create record message
1047 # my $lr_msg_hash = &create_xml_hash("load_report", $client_address, $server_address, $file_record);
1048 # &add_content2xml_hash($lr_msg_hash, "macaddress", $client_mac_address);
1049 # my $utc_ts = &main::get_utc_time();
1050 # &add_content2xml_hash($lr_msg_hash, "timestamp", $utc_ts);
1051 # my $lr_msg = &create_xml_string($lr_msg_hash);
1052 #
1053 # # Report message to si-server
1054 # &send_msg_to_target($lr_msg, $server_address, $server_key, "load_report");
1056 return;
1057 }
1060 sub save_fai_log {
1061 my ($fai_log_dir) = @_ ;
1062 my $FAI_DIR;
1064 # Directory for log files after a softupdate
1065 my $log_dir = File::Spec->catdir($fai_log_dir, "localhost/last");
1067 if (not -d $log_dir) {
1068 # Directory for log files after a new installation
1069 $log_dir = "/tmp/fai";
1070 if (not -d $log_dir) {
1071 daemon_log("ERROR: cannot open directory $log_dir", 1);
1072 return;
1073 }
1074 }
1076 opendir($FAI_DIR, "$log_dir");
1077 my @log_files = readdir($FAI_DIR);
1078 closedir($FAI_DIR);
1080 my @log_list;
1081 foreach my $log_file (@log_files) {
1082 if( $log_file eq "." || $log_file eq ".." ) { next; }
1084 my $log = "log_file:$log_file:";
1085 $log_file = File::Spec->catfile( $log_dir, $log_file );
1087 if (not -f $log_file) {
1088 daemon_log("ERROR: cannot read $log_file", 1);
1089 next;
1090 }
1092 open(my $FILE, "<","$log_file");
1093 my @lines = <$FILE> ;
1094 close ($FILE);
1095 my $log_string = join("", @lines);
1096 $log .= &encode_base64($log_string);
1097 push(@log_list, $log);
1098 }
1100 my $all_log_string = join("\n", @log_list);
1101 my $msg_hash = &create_xml_hash("CLMSG_save_fai_log", $client_address, $server_address, $all_log_string);
1102 &add_content2xml_hash($msg_hash, "macaddress", $client_mac_address);
1103 my $msg = &create_xml_string($msg_hash);
1104 &send_msg_to_target($msg, $server_address, $server_key, "CLMSG_save_fai_log");
1106 }
1109 sub sig_handler {
1110 my ($kernel, $signal) = @_[KERNEL, ARG0] ;
1111 daemon_log("0 INFO got signal '$signal'", 1);
1112 $kernel->sig_handled();
1113 return;
1114 }
1117 sub _start {
1118 my ($kernel, $heap) = @_[KERNEL, HEAP];
1119 $kernel->alias_set('client_session');
1120 $global_kernel = $kernel; # this is used to throw events at each point of the skript
1122 $kernel->sig(USR1 => "sig_handler");
1124 # force a registration at a gosa-si-server
1125 $kernel->yield('register_at_gosa_si_server');
1127 # install all file watcher defined
1128 while( my($name, $file) = each %files_to_watch ) {
1129 my $watcher = POE::Wheel::FollowTail->new(
1130 Filename => $file,
1131 InputEvent => $name."_record",
1132 ErrorEvent => "file_error",
1133 );
1134 $heap->{services}->{ $watcher->ID } = $name;
1135 $heap->{watchers}->{ $watcher->ID } = $watcher;
1136 }
1137 $kernel->yield('trigger_logged_in_users_report');
1138 $kernel->yield('trigger_seen_messages');
1139 }
1142 sub _default {
1143 daemon_log("ERROR: can not handle incoming msg with header '$_[ARG0]'", 1);
1144 return;
1145 }
1148 sub server_input {
1149 my ($kernel, $heap, $input, $wheel) = @_[KERNEL, HEAP, ARG0, ARG1];
1150 my $remote_ip = $heap->{'remote_ip'},
1151 my $error = 0;
1152 my $answer;
1154 daemon_log("INFO: Incoming msg from '$remote_ip'", 5);
1155 daemon_log("DEBUG: Incoming msg:\n$input\n", 9);
1157 # Cut of ip and port from msgs tail
1158 my ($encrypted_msg, $msg_source) = split(/;/, $input);
1160 my ($msg, $msg_hash) = &check_key_and_xml_validity($encrypted_msg, $server_key);
1161 if( (!$msg) || (!$msg_hash) ) {
1162 daemon_log("WARNING: Deciphering of incoming msg failed", 3);
1163 if($server_address =~ /$remote_ip/) {
1164 # Got a msg from gosa-si-server which can not be decrypted, the secrete is not up-to-date
1165 # cause a reregistering with a new secrete handshake
1166 daemon_log("ERROR: Message from gosa-si-server could not be understood, cause reregistering at server", 1);
1167 if ($REGISTERED) {
1168 daemon_log("INFO: Client has currently status registered so throw new registering event", 5);
1169 &_setREGISTERED(0);
1170 $kernel->post('client_session', 'register_at_gosa_si_server');
1171 } else {
1172 daemon_log("INFO: Client is currently within a registration process so wait for the next registration itteration", 5);
1173 }
1174 }
1175 $error++;
1176 }
1179 ######################
1180 # process incoming msg
1181 if( $error == 0 ) {
1182 my $header = @{$msg_hash->{header}}[0];
1183 my $source = @{$msg_hash->{source}}[0];
1185 if( exists $event_hash->{$header} ) {
1187 # a event exists with the header as name
1188 daemon_log("INFO: found event '$header' at event-module '".$event_hash->{$header}."'", 5);
1189 no strict 'refs';
1190 $answer = &{$event_hash->{$header}."::$header"}($msg, $msg_hash);
1191 }
1192 else {
1193 daemon_log("WARNING: no event '$header' found in event modules under $event_dir", 3);
1194 }
1195 }
1197 ########
1198 # answer
1199 &post_processing_and_sending($answer);
1201 return;
1202 }
1204 sub post_processing_and_sending
1205 {
1206 my ($answer) = @_ ;
1208 # Do nothing if answer does not exists
1209 if (not defined $answer) { return; }
1211 # Check gosa-si envelope validity
1212 my $answer_hash = &check_outgoing_xml_validity($answer);
1214 # If answer is valid go ahead
1215 if( not defined $answer_hash ) { return; }
1217 # Sending
1218 $answer =~ /<header>(\S+)<\/header>/;
1219 &send_msg_to_target($answer, $server_address, $server_key, $1);
1221 return;
1222 }
1224 sub find_servers {
1225 # add gosa-si-server address from config file at first position of server list
1226 #my $server_check_cfg = Config::IniFiles->new( -file => $cfg_file );
1227 my $server_check_cfg = Config::IniFiles->new( -file => $config );
1229 # Parse servers string
1230 my @conf_servers = split(',', $servers_string);
1232 # Now search for fallback servers in the configuration
1233 foreach my $cur_server (@conf_servers) {
1234 # Remove spaces from the IP
1235 $cur_server =~ s/\s//g;
1237 my $ip = $cur_server;
1238 if(not $cur_server =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/) {
1239 my $ip_address = inet_ntoa(scalar gethostbyname($ip));
1240 if(defined($ip_address) && $ip_address =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/) {
1241 # Write ip address to $server_ip variable
1242 $ip = $ip_address;
1243 }
1244 }
1246 my $server_addr = sprintf("%s:%s", $ip, $server_port);
1247 if (not grep { $_ eq $server_addr } @servers) {
1248 push(@servers, $server_addr);
1249 }
1250 }
1252 my $servers_string = join(", ", @servers);
1253 daemon_log("INFO: found servers in configuration file: $servers_string", 1);
1255 # Last but not least search for fallback servers in the DNS
1256 if (defined($opts_dnslookup) and $opts_dnslookup eq "true") {
1257 my @tmp_servers;
1258 if ( !$server_domain) {
1259 # Try our DNS Searchlist
1260 my @domain_list = &get_dns_domains();
1261 my $tmp_domains;
1262 my $error_string;
1263 for my $domain (@domain_list) {
1264 chomp($domain);
1265 ($tmp_domains, $error_string) = &get_server_addresses($domain);
1266 if(@$tmp_domains) {
1267 for my $tmp_server(@$tmp_domains) {
1268 push @tmp_servers, $tmp_server;
1269 }
1270 }
1271 }
1273 if (0 == @tmp_servers) {
1274 daemon_log("INFO: No servers found in DNS.", 1);
1275 }
1276 else {
1277 my $servers_string = join(", ", @tmp_servers);
1278 daemon_log("INFO: found servers in DNS: $servers_string", 1);
1279 }
1280 } else {
1281 @tmp_servers = &get_server_addresses($server_domain);
1282 if( 0 == @tmp_servers ) {
1283 daemon_log("INFO: No servers found in DNS for domain '$server_domain'",1);
1284 }
1285 }
1287 if ( 0 != @tmp_servers ) {
1288 foreach my $server_addr (@tmp_servers) {
1289 if (not grep { $_ eq $server_addr } @servers) {
1290 push(@servers, $server_addr);
1291 }
1292 }
1293 }
1294 }
1296 if (0 == scalar(@servers)) {
1297 daemon_log("ERROR: No servers found in the configuration or DNS.", 1);
1298 exit(1);
1299 }
1301 # Define first server as server_ip
1302 $server_ip = $servers[0];
1304 # prepare variables
1305 if( inet_aton($server_ip) ){ $server_ip = inet_ntoa(inet_aton($server_ip)); }
1306 if (defined $server_ip && defined $server_port) {
1307 $server_address = $server_ip.":".$server_port;
1308 }
1309 }
1311 sub start_daemon {
1313 if( ! $foreground ) {
1314 chdir '/' or die "Can't chdir to /: $!";
1315 umask 0;
1316 open STDIN, '+>/dev/null' or die "Can't read /dev/null: $!";
1317 open STDOUT, '+>&STDIN' or die "Can't write to /dev/null: $!";
1318 open STDERR, '+>&STDIN' or die "Can't write to /dev/null: $!";
1319 defined(my $child_pid = fork) or die "Can't fork: $!";
1320 exit if $child_pid;
1321 setsid or die "Can't start a new session: $!";
1322 }
1323 return;
1324 }
1326 sub put_version {
1328 # parse head url and revision from svn
1329 $client_version =~ /^\$HeadURL: (\S+) \$:\$Rev: (\d+) \$$/;
1330 $client_headURL = defined $1 ? $1 : 'unknown' ;
1331 $client_revision = defined $2 ? $2 : 'unknown' ;
1332 if ($client_headURL =~ /\/tag\// ||
1333 $client_headURL =~ /\/branches\// ) {
1334 $client_status = "stable";
1335 } else {
1336 $client_status = "developmental" ;
1337 }
1338 return;
1339 }
1341 sub get_perms_admin {
1342 # Determine root uid and adm gid, used for creating log files
1343 $root_uid = getpwnam('root');
1344 $adm_gid = getgrnam('adm');
1345 if(not defined $adm_gid){
1346 $adm_gid = getgrnam('root');
1347 }
1348 return;
1349 }
1351 sub create_pid {
1352 # Create the PID object
1353 $pid = File::Pid->new({ file => $pid_file });
1355 # Write the PID file
1356 $pid->write;
1358 return;
1359 }
1361 #
1362 #==== MAIN = main ==============================================================
1363 #
1364 # Parse options and allow '-vvv'
1365 Getopt::Long::Configure( 'bundling' );
1366 GetOptions( 'v|verbose+' => \$verbose,
1367 'h|help' => \&usage,
1368 'c|config=s' => \$config,
1369 'x|dump-config=i' => \$dump_config,
1370 'f|foreground' => \$foreground)
1371 or usage( '', 1 );
1373 # We may want to dump the default configuration
1374 if( defined $dump_config ) {
1375 if($dump_config==1) {
1376 } elsif ($dump_config==2) {
1377 dump_configuration( $dump_config );
1378 } else {
1379 usage( "Dump configuration value has to be 1 or 2" );
1380 }
1381 }
1383 # read and set config parameters
1384 &read_configfile($config, %cfg_defaults);
1386 # create pid file
1387 &create_pid($pid, $pid_file);
1389 # daemonize the program
1390 &start_daemon($foreground);
1392 # Determine root uid and adm gid, used for creating log files
1393 &get_perms_admin($root_uid, $adm_gid);
1395 # put version
1396 &put_version($client_status_hash, $client_version, $client_version, $client_headURL, $client_status);
1398 daemon_log(" ", 1);
1399 daemon_log("$0 started!", 1);
1400 daemon_log("INFO: status: $client_status", 1);
1401 daemon_log("INFO: ".$client_status_hash->{$client_status}.": $client_revision", 1);
1403 # to be changed maybe not trace of it when running
1404 #system('rm -f /tmp/gosa_si_lock*gosa-si-client*');
1406 # detect ip and mac address and complete host address
1407 $client_address = $client_ip.":".$client_port;
1408 my $network_interface= &get_interface_for_ip($client_ip);
1409 $client_mac_address= &get_mac($network_interface);
1411 daemon_log("INFO: ip address detected: $client_ip", 1);
1412 daemon_log("INFO: $0 mac address detected: $client_mac_address", 1);
1415 # import events
1416 my ($error, $result, $tmp_hash) = &import_events($event_dir);
1417 while (my ($module, $mod_event_hash) = each %$tmp_hash) {
1418 while (my ($event_name, $nothing) = each %$mod_event_hash) {
1419 $event_hash->{$event_name} = $module;
1420 }
1421 }
1423 foreach my $log_line (@$result) {
1424 if ($log_line =~ / succeed: /) {
1425 &main::daemon_log("0 DEBUG: $log_line", 7);
1426 } else {
1427 &main::daemon_log("0 ERROR: $log_line", 1);
1428 }
1429 }
1432 # compute hardware checksum
1433 $gotoHardwareChecksum= &generate_hw_digest();
1434 daemon_log("INFO: gotoHardwareChecksum detected: $gotoHardwareChecksum", 1);
1436 # create socket for incoming xml messages
1437 POE::Component::Server::TCP->new(
1438 Alias => 'gosa-si-client',
1439 Port => $client_port,
1440 ClientInput => \&server_input,
1441 );
1442 daemon_log("INFO: start socket for incoming xml messages at port '$client_port' ", 1);
1444 $xml = new XML::Simple();
1445 $default_server_key = $server_key;
1447 # Open a new fifo for FAI messages to gosa-si-server
1448 if (-p $fai_com_fifo) { unlink $fai_com_fifo }
1449 POSIX::mkfifo("$fai_com_fifo", 0600);
1451 # Find servers from config and DNS
1452 &find_servers;
1454 # Open a new fifo for system communication,
1455 if (-p $system_com_fifo) { unlink $system_com_fifo }
1456 if ($system_com eq "enabled")
1457 {
1458 POSIX::mkfifo("$system_com_fifo", 0600);
1459 }
1461 POE::Session->create(
1462 inline_states => {
1463 _start => \&_start,
1464 _default => \&_default,
1465 sig_handler => \&sig_handler,
1466 register_at_gosa_si_server => \®ister_at_gosa_si_server,
1468 # trigger periodical tasks
1469 trigger_new_key => \&trigger_new_key,
1470 trigger_logged_in_users_report => \&trigger_logged_in_users_report,
1471 trigger_seen_messages => \&trigger_seen_messages,
1473 # trigger non periodical tasks
1474 trigger_set_terminal_server => \&trigger_set_terminal_server,
1476 # handle records from each defined file differently
1477 fai_fifo_record => \&fai_fifo_got_record,
1478 system_fifo_record => \&system_fifo_got_record,
1480 # handle file resets and errors the same way for each file
1481 file_reset => \&generic_file_reset,
1482 file_error => \&generic_file_error,
1483 }
1484 );
1486 POE::Kernel->run();
1487 exit;