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, $verbose, $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;
113 $verbose= 1;
115 # globalise variables which are used in imported events
116 our $global_kernel;
117 our $cfg_file;
118 our $opts_file;
119 our $server_address;
120 our $client_address;
121 our $client_ip;
122 our $client_mac_address;
123 our $client_dnsname;
124 our $client_force_hostname;
125 our $server_key;
126 our $terminal_server_hash;
127 our $opts_dnslookup;
129 # where is the config stored by default and his name
130 our $config = '/etc/gosa-si/client.conf';
132 # by default dumping of config is undefined
133 our $dump_config = undef;
135 # default variables
136 my $REGISTERED = 0;
138 # path to fifo for non-gosa-si-client messages to gosa-si-server
139 my $fai_com_fifo = "/var/run/gosa-si/gosa-si-client.socket";
140 my $system_com_fifo = "/var/run/gosa-si/gosa-si-client-system-com.socket";
141 my %files_to_watch = (fai_fifo => $fai_com_fifo, system_fifo => $system_com_fifo);
143 # 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
144 my $delay_set_time = 10;
145 #our $prg= basename($0);
147 # all n seconds the client reports logged_in users to gosa-si-server
148 my $trigger_logged_in_users_report_delay = 600;
150 # all n seconds the client reports messages seen by user
151 my $trigger_seen_messages_delay = 30;
153 # directory where all log files from installation are stored
154 my $fai_log_dir = "/var/log/fai";
156 %cfg_defaults = (
157 "General" =>
158 {"log-file" => [\$log_file, "/var/log/gosa-si/gosa-si.log"],
159 "pid-file" => [\$pid_file, "/var/run/gosa-si/gosa-si-client.pid"],
160 "opts-file" => [\$opts_file, "/var/run/gosa-si/gosa-si-client.opts"],
161 },
162 "Client" =>
163 {"port" => [\$client_port, "20083"],
164 "ip" => [\$client_ip, "0.0.0.0"],
165 "mac-address" => [\$client_mac_address, "00:00:00:00:00:00"],
166 "server-domain" => [\$server_domain, ""],
167 "ldap" => [\$ldap_enabled, 1],
168 "ldap-config" => [\$ldap_config, "/etc/ldap/ldap.conf"],
169 "pam-config" => [\$pam_config, "/etc/pam_ldap.conf"],
170 "nss-config" => [\$nss_config, "/etc/libnss-ldap.conf"],
171 "fai-logpath" => [\$fai_logpath, "/var/log/fai/fai.log"],
172 "force-hostname" => [\$client_force_hostname, "false"],
173 "system-com" => [\$system_com, "disabled"],
174 },
175 "Server" => {
176 "ip" => [\$servers_string, "127.0.0.1"],
177 "port" => [\$server_port, "20081"],
178 "key" => [\$server_key, ""],
179 "timeout" => [\$server_timeout, 10],
180 "key-lifetime" => [\$server_key_lifetime, 600],
181 "dns-lookup" => [\$opts_dnslookup, "true"],
182 },
184 );
187 #=== FUNCTIONS = functions =====================================================
189 #############################
190 #
191 # @brief Display error message and/or help text.
192 #
193 # In correspondence to previous GetOptions
194 #
195 # @param $text - string to print as error message
196 # @param $help - set true, if you want to show usage help
197 #
198 sub usage
199 {
200 my( $text, $help ) = @_;
202 $text = undef if( 'h' eq $text );
203 (defined $text) && print STDERR "\n$text\n";
205 if( (defined $help && $help)
206 || (!defined $help && !defined $text) )
207 {
208 print STDERR << "EOF";
210 usage: $0 [-hvf] [-c config]
212 -h : this (help) message
213 -c <file> : config file (default: ${config})
214 -x <cfg> : dump configuration to stdout
215 ( 1 = current, 2 = default )
216 -f : foreground (don't fork)
217 -v : be verbose (multiple to increase verbosity)
218 EOF
219 }
220 print( "\n" );
222 exit( -1 );
223 }
225 #############################
226 #
227 # @brief Manage gosa-si-client configuration.
228 #
229 # Will exit after successfull dump to stdout (type = 1 | 2)
230 #
231 # Dump type can be:
232 # 1: Current gosa-si-client configuration in config file (exit)
233 # 2: Default gosa-si-client configuration (exit)
234 # 3: Dump to logfile (no exit)
235 #
236 # @param int config type
237 #
238 sub dump_configuration {
240 my( $cfg_type ) = @_;
242 return if( ! defined $cfg_type );
244 if(1==$cfg_type ) {
245 print( "# Current gosa-si-client configuration\n" );
246 } elsif (2==$cfg_type) {
247 print( "# Default gosa-si-client configuration\n" );
248 } elsif (3==$cfg_type) {
249 daemon_log( "Dumping gosa-si-client configuration\n", 2 );
250 } else {
251 return;
252 }
254 foreach my $section (keys %cfg_defaults) {
255 if( 3 != $cfg_type ) {
256 print( "\n[${section}]\n" );
257 } else {
258 daemon_log( "\n [${section}]\n", 3 );
259 }
261 foreach my $param (sort( keys %{$cfg_defaults{ $section }})) {
262 my $pinfo = $cfg_defaults{ $section }{ $param };
263 my $value;
264 if (1==$cfg_type) {
265 if( defined( ${@$pinfo[ 0 ]} ) ) {
266 $value = ${@$pinfo[ 0 ]};
267 print( "$param=$value\n" );
268 } else {
269 print( "#${param}=\n" );
270 }
271 } elsif (2==$cfg_type) {
272 $value = @{$pinfo}[ 1 ];
273 if( defined( @$pinfo[ 1 ] ) ) {
274 $value = @{$pinfo}[ 1 ];
275 print( "$param=$value\n" );
276 } else {
277 print( "#${param}=\n" );
278 }
279 } elsif (3==$cfg_type) {
280 if( defined( ${@$pinfo[ 0 ]} ) ) {
281 $value = ${@$pinfo[ 0 ]};
282 daemon_log( " $param=$value\n", 3 )
283 }
284 }
285 }
286 }
289 # We just exit at stdout dump
290 if( 3 == $cfg_type ) {
291 daemon_log( "\n", 3 );
292 } else {
293 exit( 0 );
294 }
295 }
298 #=== FUNCTION ================================================================
299 # NAME: check_cmdline_param
300 # PARAMETERS:
301 # RETURNS:
302 # DESCRIPTION:
303 #===============================================================================
304 sub check_cmdline_param () {
305 my $err_config;
306 my $err_counter = 0;
307 if(not defined($cfg_file)) {
308 $cfg_file = "/etc/gosa-si/client.conf";
309 if(! -r $cfg_file) {
310 $err_config = "please specify a config file";
311 $err_counter += 1;
312 }
313 }
314 if( $err_counter > 0 ) {
315 &usage( "", 1 );
316 if( defined( $err_config)) { print STDERR "$err_config\n"}
317 print STDERR "\n";
318 exit( -1 );
319 }
320 }
323 #=== FUNCTION ================================================================
324 # NAME: check_pid
325 # PARAMETERS:
326 # RETURNS:
327 # DESCRIPTION:
328 #===============================================================================
329 sub check_pid {
330 $pid = -1;
331 # Check, if we are already running
332 if( open(my $LOCK_FILE, "<","$pid_file") ) {
333 $pid = <$LOCK_FILE>;
334 if( defined $pid ) {
335 chomp( $pid );
336 if( -f "/proc/$pid/stat" ) {
337 my($stat) = `cat /proc/$pid/stat` =~ m/$pid \((.+)\).*/;
338 if( $0 eq $stat ) {
339 close($LOCK_FILE);
340 exit -1;
341 }
342 }
343 }
344 close( $LOCK_FILE );
345 unlink( $pid_file );
346 }
348 my $LOCK_FILE2;
349 # create a syslog msg if it is not to possible to open PID file
350 if (not sysopen(LOCK_FILE, $pid_file, O_WRONLY|O_CREAT|O_EXCL, 0644)) {
351 my($msg) = "Couldn't obtain lockfile '$pid_file' ";
352 if (open($LOCK_FILE2, '<', "$pid_file")
353 && ($pid = <$LOCK_FILE2>))
354 {
355 chomp($pid);
356 $msg .= "(PID $pid)\n";
357 } else {
358 $msg .= "(unable to read PID)\n";
359 }
360 if( ! ($foreground) ) {
361 openlog( $0, "cons,pid", "daemon" );
362 syslog( "warning", $msg );
363 closelog();
364 }
365 else {
366 print( STDERR " $msg " );
367 }
368 exit( -1 );
369 }
370 }
372 #############################
373 #
374 # @brief When caching an interrupt remove file pid and stopping gosa-si
375 #
376 sub sig_int_handler {
377 my ($signal) = @_;
379 daemon_log("shutting down gosa-si-client", 1);
381 # to be changed crude !!
382 # system("kill `ps -C gosa-si-server -o pid=`");
383 $global_kernel->yield('shutdown');
385 $pid->remove or warn "Could not remove $pid_file\n";
387 exit(0);
388 }
389 $SIG{INT} = \&sig_int_handler;
391 #=== FUNCTION ================================================================
392 # NAME: logging
393 # PARAMETERS: level - string - default 'info'
394 # msg - string -
395 # facility - string - default 'LOG_DAEMON'
396 # RETURNS:
397 # DESCRIPTION:
398 #===============================================================================
399 sub daemon_log {
400 # log into log_file
401 my( $msg, $level ) = @_;
402 if(not defined $msg) { return }
403 if(not defined $level) { $level = 1 }
404 if(defined $log_file){
405 my $open_log_fh = sysopen(LOG_HANDLE, $log_file, O_WRONLY | O_CREAT | O_APPEND , 0440);
406 if(not $open_log_fh) {
407 print STDERR "cannot open $log_file: $!";
408 return;
409 }
410 # check owner and group of log_file and update settings if necessary
411 my ($dev, $ino, $mode, $nlink, $uid, $gid, $rdev, $size, $atime, $mtime, $ctime, $blksize, $blocks) = stat($log_file);
412 if((not $uid eq $root_uid) || (not $gid eq $adm_gid)) {
413 chown($root_uid, $adm_gid, $log_file);
414 }
416 chomp($msg);
417 if($level <= $verbose){
418 my ($seconds, $minutes, $hours, $monthday, $month,
419 $year, $weekday, $yearday, $sommertime) = localtime(time);
420 $hours = $hours < 10 ? $hours = "0".$hours : $hours;
421 $minutes = $minutes < 10 ? $minutes = "0".$minutes : $minutes;
422 $seconds = $seconds < 10 ? $seconds = "0".$seconds : $seconds;
423 my @monthnames = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
424 $month = $monthnames[$month];
425 $monthday = $monthday < 10 ? $monthday = "0".$monthday : $monthday;
426 $year+=1900;
428 # Microseconds since epoch
429 my $microSeconds = sprintf("%.2f", &Time::HiRes::clock_gettime());
430 $microSeconds =~ s/^\d*(.\d\d)$/$1/;
433 my $log_msg = "$month $monthday $hours:$minutes:$seconds$microSeconds gosa-si-client $msg\n";
434 print LOG_HANDLE $log_msg;
435 if( $foreground ) {
436 print STDERR $log_msg;
437 }
438 }
439 close( LOG_HANDLE );
440 }
441 }
444 #=== FUNCTION ================================================================
445 # NAME: get_mac
446 # PARAMETERS: interface name (i.e. eth0)
447 # RETURNS: (mac address)
448 # DESCRIPTION: Uses ioctl to get mac address directly from system.
449 #===============================================================================
450 sub get_mac {
451 my $ifreq= shift;
452 my $result;
453 if ($ifreq && length($ifreq) > 0) {
454 if($ifreq eq "all") {
455 if(defined($server_ip)) {
456 $result = &get_local_mac_for_remote_ip($server_ip);
457 }
458 elsif ($client_mac_address && length($client_mac_address) > 0 && !($client_mac_address eq "00:00:00:00:00:00")){
459 $result = &client_mac_address;
460 }
461 else {
462 $result = "00:00:00:00:00:00";
463 }
464 } else {
465 # A configured MAC Address should always override a guessed value
466 if ($client_mac_address and length($client_mac_address) > 0 and not($client_mac_address eq "00:00:00:00:00:00")) {
467 $result= $client_mac_address;
468 }
469 else {
470 $result = Net::ARP::get_mac($ifreq);
471 }
472 }
473 }
474 return $result;
475 }
479 #=== FUNCTION ================================================================
480 # NAME: get_local_mac_for_remote_ip
481 # PARAMETERS: none (takes server_ip from global variable)
482 # RETURNS: (ip address from interface that is used for communication)
483 # DESCRIPTION: Uses ioctl to get routing table from system, checks which entry
484 # matches (defaultroute last).
485 #===============================================================================
486 sub get_local_mac_for_remote_ip {
487 my $server_ip= shift;
488 my $result= "00:00:00:00:00:00";
490 if($server_ip =~ /^[a-z][a-z0-9\.]+/i) {
491 my $ip_address = inet_ntoa(scalar gethostbyname($server_ip));
492 if(defined($ip_address) && $ip_address =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/) {
493 # Write ip address to $server_ip variable
494 $server_ip = $ip_address;
495 }
496 }
498 if($server_ip =~ /^(\d\d?\d?\.){3}\d\d?\d?$/) {
499 my $PROC_NET_ROUTE= ('/proc/net/route');
501 open(my $PROC_NET, "<","$PROC_NET_ROUTE")
502 or die "Could not open $PROC_NET_ROUTE";
504 my @ifs = <$PROC_NET>;
506 close($PROC_NET);
508 # Eat header line
509 shift @ifs;
510 chomp @ifs;
511 foreach my $line(@ifs) {
512 my ($Iface,$Destination,$Gateway,$Flags,$RefCnt,$Use,$Metric,$Mask,$MTU,$Window,$IRTT)=split(/\s/, $line);
513 my $destination;
514 my $mask;
515 my ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Destination);
516 $destination= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
517 ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Mask);
518 $mask= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
519 if(new NetAddr::IP($server_ip)->within(new NetAddr::IP($destination, $mask))) {
520 # destination matches route, save mac and exit
521 $result= &get_mac($Iface);
522 last;
523 }
524 }
525 } else {
526 daemon_log("get_local_mac_for_remote_ip was called with a non-ip parameter: $server_ip", 1);
527 }
528 return $result;
529 }
532 sub generate_hw_digest {
533 my $hw_data;
534 foreach my $line (split /\n/, `cat /proc/bus/pci/devices`) {
535 $hw_data.= sprintf "%s", $line =~ /[^\s]+\s([^\s]+)\s.*/;
536 }
537 # linux-vserver has no /proc/bus/pci/devices
538 if ( !$hw_data ) {
539 foreach my $line (split /\n/, `ifconfig | grep HWaddr`) {
540 $hw_data.= sprintf "%s", $line =~ /[^\s]+\s([^\s]+)\s.*/;
541 }
542 }
543 return(md5_base64($hw_data));
544 }
547 sub create_ciphering {
548 my ($passwd) = @_;
549 if((!defined($passwd)) || length($passwd)==0) {
550 $passwd = "";
551 }
552 $passwd = substr(md5_hex("$passwd") x 32, 0, 32);
553 my $iv = substr(md5_hex('GONICUS GmbH'),0, 16);
554 my $my_cipher = Crypt::Rijndael->new($passwd , Crypt::Rijndael::MODE_CBC());
555 $my_cipher->set_iv($iv);
556 return $my_cipher;
557 }
560 sub encrypt_msg {
561 my ($msg, $key) = @_;
562 my $my_cipher = &create_ciphering($key);
563 my $len;
564 {
565 use bytes;
566 $len= 16-length($msg)%16;
567 }
568 $msg = "\0"x($len).$msg;
569 $msg = $my_cipher->encrypt($msg);
570 chomp($msg = &encode_base64($msg));
571 # there are no newlines allowed inside msg
572 $msg=~ s/\n//g;
573 return $msg;
574 }
577 sub decrypt_msg {
579 my ($msg, $key) = @_ ;
580 $msg = &decode_base64($msg);
581 my $my_cipher = &create_ciphering($key);
582 $msg = $my_cipher->decrypt($msg);
583 $msg =~ s/\0*//g;
584 return $msg;
585 }
588 #=== FUNCTION ================================================================
589 # NAME: send_msg_hash_to_target
590 # PARAMETERS: msg_hash - hash - xml_hash created with function create_xml_hash
591 # PeerAddr string - socket address to send msg
592 # PeerPort string - socket port, if not included in socket address
593 # RETURNS: nothing
594 # DESCRIPTION: ????
595 #===============================================================================
596 sub send_msg_hash_to_target {
597 my ($msg_hash, $address, $encrypt_key) = @_ ;
598 my $msg = &create_xml_string($msg_hash);
599 my $header = @{$msg_hash->{'header'}}[0];
600 my $error = &send_msg_to_target($msg, $address, $encrypt_key, $header);
602 return $error;
603 }
605 sub _setREGISTERED {
606 my $newStatus = shift;
607 &daemon_log("DEBUG: set REGISTERED flag from '$REGISTERED' to '$newStatus'", 7);
608 $REGISTERED = $newStatus;
609 return;
610 }
612 sub send_msg_to_target {
613 my ($msg, $address, $encrypt_key, $msg_header) = @_ ;
614 my $error = 0;
616 if( $msg_header ) { $msg_header = "'$msg_header'-"; }
617 else { $msg_header = ""; }
619 # Memorize own source address
620 $msg =~ /<source>(\S+)<\/source>/;
621 my $own_source_address = $1;
623 # encrypt xml msg
624 my $crypted_msg = &encrypt_msg($msg, $encrypt_key);
626 # opensocket
627 my $socket = &open_socket($address);
628 if( !$socket ) {
629 daemon_log("WARNING: cannot send ".$msg_header."msg to '$address', host not reachable", 3);
630 if ($REGISTERED == 1) {
631 &_setREGISTERED(0); # if server is not available, cause reregistering
632 daemon_log("INFO: cause reregistering at gosa-si-server", 5);
633 $global_kernel->post('client_session', 'register_at_gosa_si_server');
635 }
636 $error++;
637 }
639 # send xml msg
640 if( $error == 0 ) {
641 print $socket $crypted_msg.";$own_source_address\n";
642 daemon_log("INFO: send ".$msg_header."msg to $address", 5);
643 daemon_log("DEBUG: message:\n$msg", 9);
644 }
646 # close socket in any case
647 if( $socket ) {
648 close $socket;
649 }
651 return $error;
652 }
655 sub write_to_file {
656 my ($string, $file) = @_;
657 my $error = 0;
659 if( not defined $file || not -f $file ) {
660 &main::daemon_log("ERROR: gosa-si-client : check '-f file' failed: $file", 1);
661 $error++;
662 }
663 if( not defined $string || 0 == length($string)) {
664 &main::daemon_log("ERROR: gosa-si-client : empty string to write to file '$file'", 1);
665 $error++;
666 }
668 if( $error == 0 ) {
670 chomp($string);
672 if (open(my $FILE, ">>", "$file")){
673 print $FILE $string."\n";
674 close($FILE);
675 }
676 }
678 return;
679 }
682 sub open_socket {
683 my ($PeerAddr, $PeerPort) = @_ ;
684 if(defined($PeerPort)){
685 $PeerAddr = $PeerAddr.":".$PeerPort;
686 }
687 my $socket;
688 $socket = new IO::Socket::INET(PeerAddr => $PeerAddr,
689 Porto => "tcp",
690 Type => SOCK_STREAM,
691 Timeout => 5,
692 );
693 if(not defined $socket) {
694 return;
695 }
696 &daemon_log("DEBUG: open_socket: $PeerAddr", 7);
697 return $socket;
698 }
701 #=== FUNCTION ================================================================
702 # NAME: register_at_server
703 # PARAMETERS:
704 # RETURNS:
705 # DESCRIPTION:
706 #===============================================================================
707 sub register_at_gosa_si_server {
708 my ($kernel) = $_[KERNEL];
709 my $try_to_register = 0;
711 if ($REGISTERED) {
712 # Client is already registered, clear all other registration events
713 $kernel->delay('register_at_gosa_si_server');
714 } else {
715 # Client is not registered, start registration process
716 # Clear all other events and wait till registration was successful
717 $kernel->delay('register_at_gosa_si_server');
718 $kernel->delay('trigger_new_key');
720 # Create new passwd and ciphering object for client-server communication
721 $server_key = &create_passwd();
723 my $events = join( ",", keys %{$event_hash} );
724 while(1) {
725 $try_to_register++;
727 # after one complete round through all server, stop trying to register
728 if( $try_to_register > @servers ) { last; }
730 # fetch first gosa-si-server from @servers
731 # append shifted gosa-si-server at the end of @servers, so looking for servers never stop if
732 # a registration never occured
733 my $server = shift(@servers);
734 push( @servers, $server );
736 # Check if $server is a valid server address
737 if(!(defined($server) && $server =~ m/^[0-9\.]*?:.*$/)) {
738 &main::daemon_log("ERROR: Server with address '".defined($server)?$server:""."' is invalid!", 1);
739 if (length(@servers) == 1) {
740 &main::daemon_log("ERROR: No valid servers found!", 1);
741 exit(1);
742 }
743 }
745 # Check if our ip is resolvable - if not: don't try to register
746 my $ip= &get_local_ip_for_remote_ip(sprintf("%s", $server =~ /^([0-9\.]*?):.*$/));
747 my $dnsname= gethostbyaddr(inet_aton($ip), AF_INET);
748 if(!defined($dnsname)) {
749 if( defined($client_force_hostname) && $client_force_hostname eq "true") {
750 $dnsname = `hostname`;
751 } else {
752 &write_to_file("goto-error-dns:$ip", $fai_logpath);
753 &main::daemon_log("ERROR: ip is not resolvable, no registration possible. Write 'goto-error-dns:$ip' to $fai_logpath", 1);
754 exit(1);
755 }
756 }
758 # create registration msg
759 my $local_ip = &get_local_ip_for_remote_ip(sprintf("%s", $server =~ /^([0-9\.]*?):.*$/));
760 my $local_mac = &get_local_mac_for_remote_ip(sprintf("%s", $server =~ /^([0-9\.]*?):.*$/));
761 my $register_hash = &create_xml_hash("here_i_am", $local_ip.":".$client_port, $server);
762 &add_content2xml_hash($register_hash, "new_passwd", $server_key);
763 &add_content2xml_hash($register_hash, "mac_address", $local_mac);
764 &add_content2xml_hash($register_hash, "events", $events);
765 &add_content2xml_hash($register_hash, "client_status", $client_status);
766 &add_content2xml_hash($register_hash, "client_revision", $client_revision);
767 &add_content2xml_hash($register_hash, "gotoHardwareChecksum", $gotoHardwareChecksum);
768 &add_content2xml_hash($register_hash, "key_lifetime", $server_key_lifetime);
770 # Add $HOSTNAME from ENV if force-hostname is set
771 if( defined($client_force_hostname) && $client_force_hostname eq "true") {
772 if(defined($ENV{HOSTNAME}) && length($ENV{HOSTNAME}) >0 ) {
773 &add_content2xml_hash($register_hash, "force-hostname", $ENV{HOSTNAME});
774 } else {
775 &main::daemon_log("force-hostname was set to true, but no \$HOSTNAME was found in Environment!",0);
776 }
777 }
779 # send xml hash to server with general server passwd
780 my $res = &send_msg_hash_to_target($register_hash, $server, $default_server_key);
782 # if delivery of registration msg succeed
783 if($res eq "0") {
784 # reset try_to_register
785 $try_to_register = 0;
787 # Set fixed client address and mac address
788 $client_ip= &get_local_ip_for_remote_ip(sprintf("%s", $server =~ /^([0-9\.]*?):.*$/));
789 $client_address= "$client_ip:$client_port";
790 $client_mac_address = $local_mac;
791 $client_dnsname = $dnsname;
792 last;
794 # delivery of registration msg failed
795 } else {
796 # wait 1 sec until trying to register again
797 sleep(1);
798 next;
799 }
801 } # end of while
803 if ( $try_to_register >= @servers ) {
804 # One circle through all servers finished and no registration succeed
805 &write_to_file("gosa-si-no-server-available", $fai_logpath);
806 } else {
807 # Delivery of registraion msg succeed, waiting for server response
808 daemon_log("INFO: waiting for msg 'register_at_gosa_si_server'",5);
809 # Clear old settings and set it again
810 $kernel->delay('trigger_new_key');
811 $kernel->delay_set('trigger_new_key', $server_key_lifetime);
812 }
814 # Set waiting time for 'register_at_gosa_si_server'-event
815 $kernel->delay_set('register_at_gosa_si_server', $delay_set_time);
816 }
817 return;
818 }
821 sub check_key_and_xml_validity {
822 my ($crypted_msg, $module_key) = @_;
824 my $msg;
825 my $msg_hash;
826 eval{
827 $msg = &decrypt_msg($crypted_msg, $module_key);
828 &main::daemon_log("decrypted_msg: \n$msg", 9);
830 $msg_hash = $xml->XMLin($msg, ForceArray=>1);
832 ##############
833 # check header
834 my $header_l = $msg_hash->{'header'};
835 if( 1 != @{$header_l} ) {
836 die 'no or more headers specified';
837 }
838 my $header = @{$header_l}[0];
839 if( 0 == length $header) {
840 die 'header has length 0';
841 }
843 ##############
844 # check source
845 my $source_l = $msg_hash->{'source'};
846 if( 1 != @{$source_l} ) {
847 die 'no or more than 1 sources specified';
848 }
849 my $source = @{$source_l}[0];
850 if( 0 == length $source) {
851 die 'source has length 0';
852 }
853 unless( $source =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ) {
854 die "source '$source' is neither a complete ip-address with port nor 'GOSA'";
855 }
857 ##############
858 # check target
859 my $target_l = $msg_hash->{'target'};
860 if( 1 != @{$target_l} ) {
861 die 'no or more than 1 targets specified ';
862 }
863 my $target = @{$target_l}[0];
864 if( 0 == length $target) {
865 die 'target has length 0 ';
866 }
867 unless( $target =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ){
868 die "source is neither a complete ip-address with port nor 'GOSA'";
869 }
870 };
871 if($@) {
872 &main::daemon_log("WARNING: do not understand the message or msg is not gosa-si envelope conform:", 5);
873 &main::daemon_log("$@", 8);
874 $msg = undef;
875 $msg_hash = undef;
876 }
878 return ($msg, $msg_hash);
879 }
882 sub check_outgoing_xml_validity {
883 my ($msg) = @_;
885 my $msg_hash;
886 eval{
887 $msg_hash = $xml->XMLin($msg, ForceArray=>1);
889 ##############
890 # check header
891 my $header_l = $msg_hash->{'header'};
892 if( 1 != @{$header_l} ) {
893 die 'no or more than one headers specified';
894 }
895 my $header = @{$header_l}[0];
896 if( 0 == length $header) {
897 die 'header has length 0';
898 }
900 ##############
901 # check source
902 my $source_l = $msg_hash->{'source'};
903 if( 1 != @{$source_l} ) {
904 die 'no or more than 1 sources specified';
905 }
906 my $source = @{$source_l}[0];
907 if( 0 == length $source) {
908 die 'source has length 0';
909 }
910 unless( $source =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ||
911 $source =~ /^GOSA$/i ) {
912 die "source '$source' is neither a complete ip-address with port";
913 }
915 ##############
916 # check target
917 my $target_l = $msg_hash->{'target'};
918 if( 1 != @{$target_l} ) {
919 die "no or more than one targets specified";
920 }
921 foreach my $target (@$target_l) {
922 if( 0 == length $target) {
923 die "target has length 0";
924 }
925 unless( $target =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ) {
926 die "target '$target' is not a complete ip-address with port or a valid target name";
927 }
928 }
929 };
930 if($@) {
931 daemon_log("WARNING: outgoing msg is not gosa-si envelope conform", 5);
932 daemon_log("$@ $msg", 8);
933 $msg_hash = undef;
934 }
935 return ($msg_hash);
936 }
939 sub trigger_new_key {
940 my ($kernel) = $_[KERNEL] ;
942 my $msg = "<xml><header>new_key</header><source>$client_address</source><target>$client_address</target></xml>";
943 &send_msg_to_target($msg, $client_address, $server_key, 'new_key');
945 $kernel->delay_set('trigger_new_key', $server_key_lifetime);
946 }
949 sub trigger_logged_in_users_report {
950 my ($kernel) = $_[KERNEL] ;
952 # just do if client is registered already
953 if( $REGISTERED ) {
954 my $result = qx(/usr/bin/users);
955 my @logged_in_user_list;
956 if( defined $result ) {
957 chomp($result);
958 @logged_in_user_list = split(/\s/, $result);
959 }
961 system("echo 'CURRENTLY_LOGGED_IN ".join(" ", @logged_in_user_list)."' > /var/run/gosa-si/gosa-si-client.socket");
962 $kernel->delay_set('trigger_logged_in_users_report', $trigger_logged_in_users_report_delay);
963 } else {
964 # try it in 10 sec again
965 $kernel->delay_set('trigger_logged_in_users_report', 10);
966 }
967 }
969 sub trigger_set_terminal_server
970 {
971 # Function is defined in load_reporter.pm
972 if (exists $event_hash->{set_terminal_server})
973 {
974 no strict 'refs';
975 &{$event_hash->{set_terminal_server}."::set_terminal_server"};
976 }
977 else
978 {
979 &daemon_log("0 ERROR: load_reporter.pm needs function set_terminal_server to write terminal server load information to client. Processing aborted!", 1);
980 }
981 return;
982 }
984 sub trigger_seen_messages {
985 my ($kernel) = $_[KERNEL] ;
987 # Select all files under /tmp with prefix 'goto_notify'
988 my $goto_dir = "/tmp";
989 opendir(DIR, $goto_dir);
990 my @goto_files = grep { /.+\.goto_notify$/ && -f "$goto_dir/$_" } readdir(DIR);
991 closedir DIR;
993 # Check if file has 'seen' tag
994 foreach my $goto_file (@goto_files) {
995 open(my $FILE, "$goto_dir/$goto_file");
996 my @lines = <$FILE>;
997 close($FILE);
999 my $source;
1000 my $target;
1001 my $usr;
1002 my $subject;
1003 my $message;
1004 my $seen = 0;
1005 chomp(@lines);
1006 foreach my $line (@lines) {
1007 if ($line =~ /^source:([\S\s]*)$/) {
1008 $source = $1
1009 }
1010 if ($line =~ /^target:([\S\s]*)$/) {
1011 $target = $1;
1012 }
1013 if ($line =~ /^usr:([\S\s]*)$/) {
1014 $usr = $1;
1015 }
1016 if ($line =~ /^subject:([\S\s]*)$/) {
1017 $subject = $1;
1018 }
1019 if ($line =~ /^message:([\S\s]*)$/) {
1020 $message = $1;
1021 }
1022 if ($line =~ /^seen$/) {
1023 $seen++;
1024 }
1025 }
1027 # Send 'confirm_usr_msg' back to msg-hosting server
1028 if ($seen) {
1029 my %data = ('usr'=>$usr, 'subject'=>$subject, 'message'=>$message);
1030 my $confirm_msg = &build_msg("confirm_usr_msg", $target, $source, \%data);
1031 my $send_error = &send_msg_to_target($confirm_msg, $server_address, $server_key);
1033 # Delete file
1034 if (not $send_error) {
1035 system("rm $goto_dir/$goto_file");
1036 }
1037 }
1038 }
1040 $kernel->delay_set('trigger_seen_messages', $trigger_seen_messages_delay);
1042 return;
1043 }
1046 sub generic_file_error {
1047 my ( $heap, $operation, $errno, $error_string, $wheel_id ) =
1048 @_[ HEAP, ARG0, ARG1, ARG2, ARG3 ];
1050 my $service = $heap->{services}->{$wheel_id};
1051 daemon_log("ERROR: '$service' watcher $operation error $errno: $error_string", 1);
1052 daemon_log("ERROR: shutting down '$service' file watcher", 1);
1054 delete $heap->{services}->{$wheel_id};
1055 delete $heap->{watchers}->{$wheel_id};
1056 return;
1057 }
1060 sub fai_fifo_got_record {
1061 my $file_record = $_[ARG0];
1062 my $header;
1063 my $content = "";
1064 daemon_log("DEBUG: fifo got record: $file_record", 7);
1066 $file_record =~ /^(\S+)[ ]?([\s\S]+)?$/;
1067 if( defined $1 ) {
1068 $header = $1;
1069 } else {
1070 return;
1071 }
1073 if( defined $2 ) {
1074 $content = $2;
1075 }
1077 my $clmsg_hash = &create_xml_hash("CLMSG_$header", $client_address, $server_address, $content);
1078 &add_content2xml_hash($clmsg_hash, "macaddress", $client_mac_address);
1079 my $utc_ts = &main::get_utc_time();
1080 &add_content2xml_hash($clmsg_hash, "timestamp", $utc_ts);
1081 my $clmsg = &create_xml_string($clmsg_hash);
1082 &send_msg_to_target($clmsg, $server_address, $server_key, "CLMSG_$header");
1084 # if installation finished, save all log files
1085 if ($file_record eq "TASKBEGIN finish") {
1086 &save_fai_log($fai_log_dir);
1087 }
1089 return;
1090 }
1093 sub system_fifo_got_record {
1094 my ($kernel, $socket_com_record) = @_[KERNEL, ARG0];
1095 $socket_com_record =~ /^(\S+)\s?([\s\S]*)$/;
1096 my $function = $1;
1097 my $content = $2;
1099 if( exists $event_hash->{$function} )
1100 {
1101 # a event exists with the header as name
1102 daemon_log("INFO: found event '$function' at event-module '".$event_hash->{$function}."'", 5);
1103 no strict 'refs';
1104 my $answer = &{$event_hash->{$function}."::$function"}($content, $kernel);
1105 &post_processing_and_sending($answer)
1106 }
1107 else
1108 {
1109 daemon_log("ERROR: Got input '$socket_com_record' from socket '$system_com_fifo'", 1);
1110 daemon_log("ERROR: No event '$function' found in event modules under '$event_dir'.", 1);
1111 }
1113 # # Sanity check of fifo record
1114 #
1115 # # Create record message
1116 # my $lr_msg_hash = &create_xml_hash("load_report", $client_address, $server_address, $file_record);
1117 # &add_content2xml_hash($lr_msg_hash, "macaddress", $client_mac_address);
1118 # my $utc_ts = &main::get_utc_time();
1119 # &add_content2xml_hash($lr_msg_hash, "timestamp", $utc_ts);
1120 # my $lr_msg = &create_xml_string($lr_msg_hash);
1121 #
1122 # # Report message to si-server
1123 # &send_msg_to_target($lr_msg, $server_address, $server_key, "load_report");
1125 return;
1126 }
1129 sub save_fai_log {
1130 my ($fai_log_dir) = @_ ;
1131 my $FAI_DIR;
1133 # Directory for log files after a softupdate
1134 my $log_dir = File::Spec->catdir($fai_log_dir, "localhost/last");
1136 if (not -d $log_dir) {
1137 # Directory for log files after a new installation
1138 $log_dir = "/tmp/fai";
1139 if (not -d $log_dir) {
1140 daemon_log("ERROR: cannot open directory $log_dir", 1);
1141 return;
1142 }
1143 }
1145 opendir($FAI_DIR, "$log_dir");
1146 my @log_files = readdir($FAI_DIR);
1147 closedir($FAI_DIR);
1149 my @log_list;
1150 foreach my $log_file (@log_files) {
1151 if( $log_file eq "." || $log_file eq ".." ) { next; }
1153 my $log = "log_file:$log_file:";
1154 $log_file = File::Spec->catfile( $log_dir, $log_file );
1156 if (not -f $log_file) {
1157 daemon_log("ERROR: cannot read $log_file", 1);
1158 next;
1159 }
1161 open(my $FILE, "<","$log_file");
1162 my @lines = <$FILE> ;
1163 close ($FILE);
1164 my $log_string = join("", @lines);
1165 $log .= &encode_base64($log_string);
1166 push(@log_list, $log);
1167 }
1169 my $all_log_string = join("\n", @log_list);
1170 my $msg_hash = &create_xml_hash("CLMSG_save_fai_log", $client_address, $server_address, $all_log_string);
1171 &add_content2xml_hash($msg_hash, "macaddress", $client_mac_address);
1172 my $msg = &create_xml_string($msg_hash);
1173 &send_msg_to_target($msg, $server_address, $server_key, "CLMSG_save_fai_log");
1175 }
1178 sub sig_handler {
1179 my ($kernel, $signal) = @_[KERNEL, ARG0] ;
1180 daemon_log("0 INFO got signal '$signal'", 1);
1181 $kernel->sig_handled();
1182 return;
1183 }
1186 sub _start {
1187 my ($kernel, $heap) = @_[KERNEL, HEAP];
1188 $kernel->alias_set('client_session');
1189 $global_kernel = $kernel; # this is used to throw events at each point of the skript
1191 $kernel->sig(USR1 => "sig_handler");
1193 # force a registration at a gosa-si-server
1194 $kernel->yield('register_at_gosa_si_server');
1196 # install all file watcher defined
1197 while( my($name, $file) = each %files_to_watch ) {
1198 my $watcher = POE::Wheel::FollowTail->new(
1199 Filename => $file,
1200 InputEvent => $name."_record",
1201 ErrorEvent => "file_error",
1202 );
1203 $heap->{services}->{ $watcher->ID } = $name;
1204 $heap->{watchers}->{ $watcher->ID } = $watcher;
1205 }
1206 $kernel->yield('trigger_logged_in_users_report');
1207 $kernel->yield('trigger_seen_messages');
1208 }
1211 sub _default {
1212 daemon_log("ERROR: can not handle incoming msg with header '$_[ARG0]'", 1);
1213 return;
1214 }
1217 sub server_input {
1218 my ($kernel, $heap, $input, $wheel) = @_[KERNEL, HEAP, ARG0, ARG1];
1219 my $remote_ip = $heap->{'remote_ip'},
1220 my $error = 0;
1221 my $answer;
1223 daemon_log("INFO: Incoming msg from '$remote_ip'", 5);
1224 daemon_log("DEBUG: Incoming msg:\n$input\n", 9);
1226 # Cut of ip and port from msgs tail
1227 my ($encrypted_msg, $msg_source) = split(/;/, $input);
1229 my ($msg, $msg_hash) = &check_key_and_xml_validity($encrypted_msg, $server_key);
1230 if( (!$msg) || (!$msg_hash) ) {
1231 daemon_log("WARNING: Deciphering of incoming msg failed", 3);
1232 if($server_address =~ /$remote_ip/) {
1233 # Got a msg from gosa-si-server which can not be decrypted, the secrete is not up-to-date
1234 # cause a reregistering with a new secrete handshake
1235 daemon_log("ERROR: Message from gosa-si-server could not be understood, cause reregistering at server", 1);
1236 if ($REGISTERED) {
1237 daemon_log("INFO: Client has currently status registered so throw new registering event", 5);
1238 &_setREGISTERED(0);
1239 $kernel->post('client_session', 'register_at_gosa_si_server');
1240 } else {
1241 daemon_log("INFO: Client is currently within a registration process so wait for the next registration itteration", 5);
1242 }
1243 }
1244 $error++;
1245 }
1248 ######################
1249 # process incoming msg
1250 if( $error == 0 ) {
1251 my $header = @{$msg_hash->{header}}[0];
1252 my $source = @{$msg_hash->{source}}[0];
1254 if( exists $event_hash->{$header} ) {
1256 # a event exists with the header as name
1257 daemon_log("INFO: found event '$header' at event-module '".$event_hash->{$header}."'", 5);
1258 no strict 'refs';
1259 $answer = &{$event_hash->{$header}."::$header"}($msg, $msg_hash);
1260 }
1261 else {
1262 daemon_log("WARNING: no event '$header' found in event modules under $event_dir", 3);
1263 }
1264 }
1266 ########
1267 # answer
1268 &post_processing_and_sending($answer);
1270 return;
1271 }
1273 sub post_processing_and_sending
1274 {
1275 my ($answer) = @_ ;
1277 # Do nothing if answer does not exists
1278 if (not defined $answer) { return; }
1280 # Check gosa-si envelope validity
1281 my $answer_hash = &check_outgoing_xml_validity($answer);
1283 # If answer is valid go ahead
1284 if( not defined $answer_hash ) { return; }
1286 # Sending
1287 $answer =~ /<header>(\S+)<\/header>/;
1288 &send_msg_to_target($answer, $server_address, $server_key, $1);
1290 return;
1291 }
1293 sub find_servers {
1294 # add gosa-si-server address from config file at first position of server list
1295 #my $server_check_cfg = Config::IniFiles->new( -file => $cfg_file );
1296 my $server_check_cfg = Config::IniFiles->new( -file => $config );
1298 # Parse servers string
1299 my @conf_servers = split(',', $servers_string);
1301 # Now search for fallback servers in the configuration
1302 foreach my $cur_server (@conf_servers) {
1303 # Remove spaces from the IP
1304 $cur_server =~ s/\s//g;
1306 my $ip = $cur_server;
1307 if(not $cur_server =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/) {
1308 my $ip_address = inet_ntoa(scalar gethostbyname($ip));
1309 if(defined($ip_address) && $ip_address =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/) {
1310 # Write ip address to $server_ip variable
1311 $ip = $ip_address;
1312 }
1313 }
1315 my $server_addr = sprintf("%s:%s", $ip, $server_port);
1316 if (not grep { $_ eq $server_addr } @servers) {
1317 push(@servers, $server_addr);
1318 }
1319 }
1321 my $servers_string = join(", ", @servers);
1322 daemon_log("INFO: found servers in configuration file: $servers_string", 1);
1324 # Last but not least search for fallback servers in the DNS
1325 if (defined($opts_dnslookup) and $opts_dnslookup eq "true") {
1326 my @tmp_servers;
1327 if ( !$server_domain) {
1328 # Try our DNS Searchlist
1329 my @domain_list = &get_dns_domains();
1330 my $tmp_domains;
1331 my $error_string;
1332 for my $domain (@domain_list) {
1333 chomp($domain);
1334 ($tmp_domains, $error_string) = &get_server_addresses($domain);
1335 if(@$tmp_domains) {
1336 for my $tmp_server(@$tmp_domains) {
1337 push @tmp_servers, $tmp_server;
1338 }
1339 }
1340 }
1342 if (0 == @tmp_servers) {
1343 daemon_log("INFO: No servers found in DNS.", 1);
1344 }
1345 else {
1346 my $servers_string = join(", ", @tmp_servers);
1347 daemon_log("INFO: found servers in DNS: $servers_string", 1);
1348 }
1349 } else {
1350 @tmp_servers = &get_server_addresses($server_domain);
1351 if( 0 == @tmp_servers ) {
1352 daemon_log("INFO: No servers found in DNS for domain '$server_domain'",1);
1353 }
1354 }
1356 if ( 0 != @tmp_servers ) {
1357 foreach my $server_addr (@tmp_servers) {
1358 if (not grep { $_ eq $server_addr } @servers) {
1359 push(@servers, $server_addr);
1360 }
1361 }
1362 }
1363 }
1365 if (0 == scalar(@servers)) {
1366 daemon_log("ERROR: No servers found in the configuration or DNS.", 1);
1367 exit(1);
1368 }
1370 # Define first server as server_ip
1371 $server_ip = $servers[0];
1373 # prepare variables
1374 if( inet_aton($server_ip) ){ $server_ip = inet_ntoa(inet_aton($server_ip)); }
1375 if (defined $server_ip && defined $server_port) {
1376 $server_address = $server_ip.":".$server_port;
1377 }
1378 }
1380 #
1381 #==== MAIN = main ==============================================================
1382 #
1383 # Parse options and allow '-vvv'
1384 Getopt::Long::Configure( 'bundling' );
1385 GetOptions( 'v|verbose+' => \$verbose,
1386 'h|help' => \&usage,
1387 'c|config=s' => \$config,
1388 'x|dump-config=i' => \$dump_config,
1389 'f|foreground' => \$foreground)
1390 or usage( '', 1 );
1392 # We may want to dump the default configuration
1393 if( defined $dump_config ) {
1394 if($dump_config==1) {
1395 } elsif ($dump_config==2) {
1396 dump_configuration( $dump_config );
1397 } else {
1398 usage( "Dump configuration value has to be 1 or 2" );
1399 }
1400 }
1402 # read and set config parameters
1403 &read_configfile($config, %cfg_defaults);
1404 #&check_pid;
1406 # Create the PID object
1407 # Ensure you put a name that won't clobber
1408 # another program's PID file
1409 $pid = File::Pid->new({
1410 file => $pid_file,
1411 });
1413 # Write the PID file
1414 $pid->write;
1416 # forward error messages to logfile
1417 if ( ! $foreground ) {
1418 open( STDIN, '+>/dev/null' );
1419 open( STDOUT, '+>&STDIN' );
1420 open( STDERR, '+>&STDIN' );
1421 }
1423 # Just fork, if we are not in foreground mode
1424 if( ! $foreground ) {
1425 chdir '/' or die "Can't chdir to /: $!";
1426 $pid = fork;
1427 setsid or die "Can't start a new session: $!";
1428 umask 0;
1429 #} else {
1430 # $pid = $$;
1431 }
1433 # Do something useful - put our PID into the pid_file
1434 #if( 0 != $pid ) {
1435 # open( my $LOCK_FILE, ">", "$pid_file" );
1436 # print $LOCK_FILE "$pid\n";
1437 # close( $LOCK_FILE );
1438 # if( !$foreground ) {
1439 # exit( 0 )
1440 # };
1441 #}
1443 # parse head url and revision from svn
1444 my $client_status_hash = { 'developmental'=>'revision', 'stable'=>'release'};
1445 $client_version =~ /^\$HeadURL: (\S+) \$:\$Rev: (\d+) \$$/;
1446 $client_headURL = defined $1 ? $1 : 'unknown' ;
1447 $client_revision = defined $2 ? $2 : 'unknown' ;
1448 if ($client_headURL =~ /\/tag\// ||
1449 $client_headURL =~ /\/branches\// ) {
1450 $client_status = "stable";
1451 } else {
1452 $client_status = "developmental" ;
1453 }
1455 # Determine root uid and adm gid, used for creating log files
1456 $root_uid = getpwnam('root');
1457 $adm_gid = getgrnam('adm');
1458 if(not defined $adm_gid){
1459 $adm_gid = getgrnam('root');
1460 }
1462 daemon_log(" ", 1);
1463 daemon_log("gosa-si-client started!", 1);
1464 daemon_log("INFO: status: $client_status", 1);
1465 daemon_log("INFO: ".$client_status_hash->{$client_status}.": $client_revision", 1);
1467 # to be changed maybe not trace of it when running
1468 system('rm -f /tmp/gosa_si_lock*gosa-si-client*');
1470 # detect ip and mac address and complete host address
1471 $client_address = $client_ip.":".$client_port;
1472 my $network_interface= &get_interface_for_ip($client_ip);
1473 $client_mac_address= &get_mac($network_interface);
1474 daemon_log("INFO: ip address detected: $client_ip", 1);
1475 daemon_log("INFO: gosa-si-client mac address detected: $client_mac_address", 1);
1478 # import events
1479 my ($error, $result, $tmp_hash) = &import_events($event_dir);
1480 while (my ($module, $mod_event_hash) = each %$tmp_hash) {
1481 while (my ($event_name, $nothing) = each %$mod_event_hash) {
1482 $event_hash->{$event_name} = $module;
1483 }
1484 }
1486 foreach my $log_line (@$result) {
1487 if ($log_line =~ / succeed: /) {
1488 &main::daemon_log("0 DEBUG: $log_line", 7);
1489 } else {
1490 &main::daemon_log("0 ERROR: $log_line", 1);
1491 }
1492 }
1495 # compute hardware checksum
1496 $gotoHardwareChecksum= &generate_hw_digest();
1497 daemon_log("INFO: gotoHardwareChecksum detected: $gotoHardwareChecksum", 1);
1499 # create socket for incoming xml messages
1500 POE::Component::Server::TCP->new(
1501 Alias => 'gosa-si-client',
1502 Port => $client_port,
1503 ClientInput => \&server_input,
1504 );
1505 daemon_log("INFO: start socket for incoming xml messages at port '$client_port' ", 1);
1507 $xml = new XML::Simple();
1508 $default_server_key = $server_key;
1510 # Open a new fifo for FAI messages to gosa-si-server
1511 if (-p $fai_com_fifo) { unlink $fai_com_fifo }
1512 POSIX::mkfifo("$fai_com_fifo", 0600);
1514 # Find servers from config and DNS
1515 &find_servers;
1517 # Open a new fifo for system communication,
1518 if (-p $system_com_fifo) { unlink $system_com_fifo }
1519 if ($system_com eq "enabled")
1520 {
1521 POSIX::mkfifo("$system_com_fifo", 0600);
1522 }
1524 POE::Session->create(
1525 inline_states => {
1526 _start => \&_start,
1527 _default => \&_default,
1528 sig_handler => \&sig_handler,
1529 register_at_gosa_si_server => \®ister_at_gosa_si_server,
1531 # trigger periodical tasks
1532 trigger_new_key => \&trigger_new_key,
1533 trigger_logged_in_users_report => \&trigger_logged_in_users_report,
1534 trigger_seen_messages => \&trigger_seen_messages,
1536 # trigger non periodical tasks
1537 trigger_set_terminal_server => \&trigger_set_terminal_server,
1539 # handle records from each defined file differently
1540 fai_fifo_record => \&fai_fifo_got_record,
1541 system_fifo_record => \&system_fifo_got_record,
1543 # handle file resets and errors the same way for each file
1544 file_reset => \&generic_file_reset,
1545 file_error => \&generic_file_error,
1546 }
1547 );
1549 POE::Kernel->run();
1550 exit;