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 Digest::MD5 qw(md5_hex md5 md5_base64);
79 use MIME::Base64;
80 use XML::Simple;
81 use File::Basename;
82 use File::Spec;
83 use File::Pid;
84 use Net::ARP;
85 use GOsaSI::GosaSupportDaemon;
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 # shtudown the client by telling the poe kernel
309 $global_kernel->yield('shutdown');
311 #removing the opts file
312 unlink ('/var/run/gosa-si/gosa-si-client.opts');
314 #removing the fifo for communication
315 unlink ($fai_com_fifo);
317 #removing the pid
318 $pid->remove or warn "Could not remove $pid_file\n";
320 exit(0);
321 }
322 $SIG{INT} = \&sig_int_handler;
324 #=== FUNCTION ================================================================
325 # NAME: logging
326 # PARAMETERS: level - string - default 'info'
327 # msg - string -
328 # facility - string - default 'LOG_DAEMON'
329 # RETURNS:
330 # DESCRIPTION:
331 #===============================================================================
332 sub daemon_log {
333 # log into log_file
334 my( $msg, $level ) = @_;
335 if(not defined $msg) { return }
336 if(not defined $level) { $level = 1 }
337 if(defined $log_file){
338 my $open_log_fh = sysopen(LOG_HANDLE, $log_file, O_WRONLY | O_CREAT | O_APPEND , 0440);
339 if(not $open_log_fh) {
340 print STDERR "cannot open $log_file: $!";
341 return;
342 }
343 # check owner and group of log_file and update settings if necessary
344 my ($dev, $ino, $mode, $nlink, $uid, $gid, $rdev, $size, $atime, $mtime, $ctime, $blksize, $blocks) = stat($log_file);
345 if((not $uid eq $root_uid) || (not $gid eq $adm_gid)) {
346 chown($root_uid, $adm_gid, $log_file);
347 }
349 chomp($msg);
350 if($level <= $verbose){
351 my ($seconds, $minutes, $hours, $monthday, $month,
352 $year, $weekday, $yearday, $sommertime) = localtime(time);
353 $hours = $hours < 10 ? $hours = "0".$hours : $hours;
354 $minutes = $minutes < 10 ? $minutes = "0".$minutes : $minutes;
355 $seconds = $seconds < 10 ? $seconds = "0".$seconds : $seconds;
356 my @monthnames = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
357 $month = $monthnames[$month];
358 $monthday = $monthday < 10 ? $monthday = "0".$monthday : $monthday;
359 $year+=1900;
361 # Microseconds since epoch
362 my $microSeconds = sprintf("%.2f", &Time::HiRes::clock_gettime());
363 $microSeconds =~ s/^\d*(.\d\d)$/$1/;
366 my $log_msg = "$month $monthday $hours:$minutes:$seconds$microSeconds gosa-si-client $msg\n";
367 print LOG_HANDLE $log_msg;
368 if( $foreground ) {
369 print STDERR $log_msg;
370 }
371 }
372 close( LOG_HANDLE );
373 }
374 }
377 #=== FUNCTION ================================================================
378 # NAME: get_mac
379 # PARAMETERS: interface name (i.e. eth0)
380 # RETURNS: (mac address)
381 # DESCRIPTION: Uses ioctl to get mac address directly from system.
382 #===============================================================================
383 sub get_mac {
384 my $ifreq= shift;
385 my $result;
386 if ($ifreq && length($ifreq) > 0) {
387 if($ifreq eq "all") {
388 if(defined($server_ip)) {
389 $result = &get_local_mac_for_remote_ip($server_ip);
390 }
391 elsif ($client_mac_address && length($client_mac_address) > 0 && !($client_mac_address eq "00:00:00:00:00:00")){
392 $result = &client_mac_address;
393 }
394 else {
395 $result = "00:00:00:00:00:00";
396 }
397 } else {
398 # A configured MAC Address should always override a guessed value
399 if ($client_mac_address and length($client_mac_address) > 0 and not($client_mac_address eq "00:00:00:00:00:00")) {
400 $result= $client_mac_address;
401 }
402 else {
403 $result = Net::ARP::get_mac($ifreq);
404 }
405 }
406 }
407 return $result;
408 }
412 #=== FUNCTION ================================================================
413 # NAME: get_local_mac_for_remote_ip
414 # PARAMETERS: none (takes server_ip from global variable)
415 # RETURNS: (ip address from interface that is used for communication)
416 # DESCRIPTION: Uses ioctl to get routing table from system, checks which entry
417 # matches (defaultroute last).
418 #===============================================================================
419 sub get_local_mac_for_remote_ip {
420 my $server_ip= shift;
421 my $result= "00:00:00:00:00:00";
423 if($server_ip =~ /^[a-z][a-z0-9\.]+/i) {
424 my $ip_address = inet_ntoa(scalar gethostbyname($server_ip));
425 if(defined($ip_address) && $ip_address =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/) {
426 # Write ip address to $server_ip variable
427 $server_ip = $ip_address;
428 }
429 }
431 if($server_ip =~ /^(\d\d?\d?\.){3}\d\d?\d?$/) {
432 my $PROC_NET_ROUTE= ('/proc/net/route');
434 open(my $PROC_NET, "<","$PROC_NET_ROUTE")
435 or die "Could not open $PROC_NET_ROUTE";
437 my @ifs = <$PROC_NET>;
439 close($PROC_NET);
441 # Eat header line
442 shift @ifs;
443 chomp @ifs;
444 foreach my $line(@ifs) {
445 my ($Iface,$Destination,$Gateway,$Flags,$RefCnt,$Use,$Metric,$Mask,$MTU,$Window,$IRTT)=split(/\s/, $line);
446 my $destination;
447 my $mask;
448 my ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Destination);
449 $destination= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
450 ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Mask);
451 $mask= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
452 if(new NetAddr::IP($server_ip)->within(new NetAddr::IP($destination, $mask))) {
453 # destination matches route, save mac and exit
454 $result= &get_mac($Iface);
455 last;
456 }
457 }
458 } else {
459 daemon_log("get_local_mac_for_remote_ip was called with a non-ip parameter: $server_ip", 1);
460 }
461 return $result;
462 }
465 sub generate_hw_digest {
466 my $hw_data;
467 foreach my $line (split /\n/, `cat /proc/bus/pci/devices`) {
468 $hw_data.= sprintf "%s", $line =~ /[^\s]+\s([^\s]+)\s.*/;
469 }
470 # linux-vserver has no /proc/bus/pci/devices
471 if ( !$hw_data ) {
472 foreach my $line (split /\n/, `ifconfig | grep HWaddr`) {
473 $hw_data.= sprintf "%s", $line =~ /[^\s]+\s([^\s]+)\s.*/;
474 }
475 }
476 return(md5_base64($hw_data));
477 }
480 sub create_ciphering {
481 my ($passwd) = @_;
482 if((!defined($passwd)) || length($passwd)==0) {
483 $passwd = "";
484 }
485 $passwd = substr(md5_hex("$passwd") x 32, 0, 32);
486 my $iv = substr(md5_hex('GONICUS GmbH'),0, 16);
487 my $my_cipher = Crypt::Rijndael->new($passwd , Crypt::Rijndael::MODE_CBC());
488 $my_cipher->set_iv($iv);
489 return $my_cipher;
490 }
493 sub encrypt_msg {
494 my ($msg, $key) = @_;
495 my $my_cipher = &create_ciphering($key);
496 my $len;
497 {
498 use bytes;
499 $len= 16-length($msg)%16;
500 }
501 $msg = "\0"x($len).$msg;
502 $msg = $my_cipher->encrypt($msg);
503 chomp($msg = &encode_base64($msg));
504 # there are no newlines allowed inside msg
505 $msg=~ s/\n//g;
506 return $msg;
507 }
510 sub decrypt_msg {
512 my ($msg, $key) = @_ ;
513 $msg = &decode_base64($msg);
514 my $my_cipher = &create_ciphering($key);
515 $msg = $my_cipher->decrypt($msg);
516 $msg =~ s/\0*//g;
517 return $msg;
518 }
521 #=== FUNCTION ================================================================
522 # NAME: send_msg_hash_to_target
523 # PARAMETERS: msg_hash - hash - xml_hash created with function create_xml_hash
524 # PeerAddr string - socket address to send msg
525 # PeerPort string - socket port, if not included in socket address
526 # RETURNS: nothing
527 # DESCRIPTION: ????
528 #===============================================================================
529 sub send_msg_hash_to_target {
530 my ($msg_hash, $address, $encrypt_key) = @_ ;
531 my $msg = &create_xml_string($msg_hash);
532 my $header = @{$msg_hash->{'header'}}[0];
533 my $error = &send_msg_to_target($msg, $address, $encrypt_key, $header);
535 return $error;
536 }
538 sub _setREGISTERED {
539 my $newStatus = shift;
540 &daemon_log("DEBUG: set REGISTERED flag from '$REGISTERED' to '$newStatus'", 7);
541 $REGISTERED = $newStatus;
542 return;
543 }
545 sub send_msg_to_target {
546 my ($msg, $address, $encrypt_key, $msg_header) = @_ ;
547 my $error = 0;
549 if( $msg_header ) { $msg_header = "'$msg_header'-"; }
550 else { $msg_header = ""; }
552 # Memorize own source address
553 $msg =~ /<source>(\S+)<\/source>/;
554 my $own_source_address = $1;
556 # encrypt xml msg
557 my $crypted_msg = &encrypt_msg($msg, $encrypt_key);
559 # opensocket
560 my $socket = &open_socket($address);
561 if( !$socket ) {
562 daemon_log("WARNING: cannot send ".$msg_header."msg to '$address', host not reachable", 3);
563 if ($REGISTERED == 1) {
564 &_setREGISTERED(0); # if server is not available, cause reregistering
565 daemon_log("INFO: cause reregistering at gosa-si-server", 5);
566 $global_kernel->post('client_session', 'register_at_gosa_si_server');
568 }
569 $error++;
570 }
572 # send xml msg
573 if( $error == 0 ) {
574 print $socket $crypted_msg.";$own_source_address\n";
575 daemon_log("INFO: send ".$msg_header."msg to $address", 5);
576 daemon_log("DEBUG: message:\n$msg", 9);
577 }
579 # close socket in any case
580 if( $socket ) {
581 close $socket;
582 }
584 return $error;
585 }
588 sub write_to_file {
589 my ($string, $file) = @_;
590 my $error = 0;
592 if( not defined $file || not -f $file ) {
593 &main::daemon_log("ERROR: gosa-si-client : check '-f file' failed: $file", 1);
594 $error++;
595 }
596 if( not defined $string || 0 == length($string)) {
597 &main::daemon_log("ERROR: gosa-si-client : empty string to write to file '$file'", 1);
598 $error++;
599 }
601 if( $error == 0 ) {
603 chomp($string);
605 if (open(my $FILE, ">>", "$file")){
606 print $FILE $string."\n";
607 close($FILE);
608 }
609 }
611 return;
612 }
615 sub open_socket {
616 my ($PeerAddr, $PeerPort) = @_ ;
617 if(defined($PeerPort)){
618 $PeerAddr = $PeerAddr.":".$PeerPort;
619 }
620 my $socket;
621 $socket = new IO::Socket::INET(PeerAddr => $PeerAddr,
622 Porto => "tcp",
623 Type => SOCK_STREAM,
624 Timeout => 5,
625 );
626 if(not defined $socket) {
627 return;
628 }
629 &daemon_log("DEBUG: open_socket: $PeerAddr", 7);
630 return $socket;
631 }
634 #=== FUNCTION ================================================================
635 # NAME: register_at_server
636 # PARAMETERS:
637 # RETURNS:
638 # DESCRIPTION:
639 #===============================================================================
640 sub register_at_gosa_si_server {
641 my ($kernel) = $_[KERNEL];
642 my $try_to_register = 0;
644 if ($REGISTERED) {
645 # Client is already registered, clear all other registration events
646 $kernel->delay('register_at_gosa_si_server');
647 } else {
648 # Client is not registered, start registration process
649 # Clear all other events and wait till registration was successful
650 $kernel->delay('register_at_gosa_si_server');
651 $kernel->delay('trigger_new_key');
653 # Create new passwd and ciphering object for client-server communication
654 $server_key = &create_passwd();
656 my $events = join( ",", keys %{$event_hash} );
657 while(1) {
658 $try_to_register++;
660 # after one complete round through all server, stop trying to register
661 if( $try_to_register > @servers ) { last; }
663 # fetch first gosa-si-server from @servers
664 # append shifted gosa-si-server at the end of @servers, so looking for servers never stop if
665 # a registration never occured
666 my $server = shift(@servers);
667 push( @servers, $server );
669 # Check if $server is a valid server address
670 if(!(defined($server) && $server =~ m/^[0-9\.]*?:.*$/)) {
671 &main::daemon_log("ERROR: Server with address '".defined($server)?$server:""."' is invalid!", 1);
672 if (length(@servers) == 1) {
673 &main::daemon_log("ERROR: No valid servers found!", 1);
674 exit(1);
675 }
676 }
678 # Check if our ip is resolvable - if not: don't try to register
679 my $ip= &get_local_ip_for_remote_ip(sprintf("%s", $server =~ /^([0-9\.]*?):.*$/));
680 my $dnsname= gethostbyaddr(inet_aton($ip), AF_INET);
681 if(!defined($dnsname)) {
682 if( defined($client_force_hostname) && $client_force_hostname eq "true") {
683 $dnsname = `hostname`;
684 } else {
685 &write_to_file("goto-error-dns:$ip", $fai_logpath);
686 &main::daemon_log("ERROR: ip is not resolvable, no registration possible. Write 'goto-error-dns:$ip' to $fai_logpath", 1);
687 exit(1);
688 }
689 }
691 # create registration msg
692 my $local_ip = &get_local_ip_for_remote_ip(sprintf("%s", $server =~ /^([0-9\.]*?):.*$/));
693 my $local_mac = &get_local_mac_for_remote_ip(sprintf("%s", $server =~ /^([0-9\.]*?):.*$/));
694 my $register_hash = &create_xml_hash("here_i_am", $local_ip.":".$client_port, $server);
695 &add_content2xml_hash($register_hash, "new_passwd", $server_key);
696 &add_content2xml_hash($register_hash, "mac_address", $local_mac);
697 &add_content2xml_hash($register_hash, "events", $events);
698 &add_content2xml_hash($register_hash, "client_status", $client_status);
699 &add_content2xml_hash($register_hash, "client_revision", $client_revision);
700 &add_content2xml_hash($register_hash, "gotoHardwareChecksum", $gotoHardwareChecksum);
701 &add_content2xml_hash($register_hash, "key_lifetime", $server_key_lifetime);
703 # Add $HOSTNAME from ENV if force-hostname is set
704 if( defined($client_force_hostname) && $client_force_hostname eq "true") {
705 if(defined($ENV{HOSTNAME}) && length($ENV{HOSTNAME}) >0 ) {
706 &add_content2xml_hash($register_hash, "force-hostname", $ENV{HOSTNAME});
707 } else {
708 &main::daemon_log("force-hostname was set to true, but no \$HOSTNAME was found in Environment!",0);
709 }
710 }
712 # send xml hash to server with general server passwd
713 my $res = &send_msg_hash_to_target($register_hash, $server, $default_server_key);
715 # if delivery of registration msg succeed
716 if($res eq "0") {
717 # reset try_to_register
718 $try_to_register = 0;
720 # Set fixed client address and mac address
721 $client_ip= &get_local_ip_for_remote_ip(sprintf("%s", $server =~ /^([0-9\.]*?):.*$/));
722 $client_address= "$client_ip:$client_port";
723 $client_mac_address = $local_mac;
724 $client_dnsname = $dnsname;
725 last;
727 # delivery of registration msg failed
728 } else {
729 # wait 1 sec until trying to register again
730 sleep(1);
731 next;
732 }
734 } # end of while
736 if ( $try_to_register >= @servers ) {
737 # One circle through all servers finished and no registration succeed
738 &write_to_file("gosa-si-no-server-available", $fai_logpath);
739 } else {
740 # Delivery of registraion msg succeed, waiting for server response
741 daemon_log("INFO: waiting for msg 'register_at_gosa_si_server'",5);
742 # Clear old settings and set it again
743 $kernel->delay('trigger_new_key');
744 $kernel->delay_set('trigger_new_key', $server_key_lifetime);
745 }
747 # Set waiting time for 'register_at_gosa_si_server'-event
748 $kernel->delay_set('register_at_gosa_si_server', $delay_set_time);
749 }
750 return;
751 }
754 sub check_key_and_xml_validity {
755 my ($crypted_msg, $module_key) = @_;
757 my $msg;
758 my $msg_hash;
759 eval{
760 $msg = &decrypt_msg($crypted_msg, $module_key);
761 &main::daemon_log("decrypted_msg: \n$msg", 9);
763 $msg_hash = $xml->XMLin($msg, ForceArray=>1);
765 ##############
766 # check header
767 my $header_l = $msg_hash->{'header'};
768 if( 1 != @{$header_l} ) {
769 die 'no or more headers specified';
770 }
771 my $header = @{$header_l}[0];
772 if( 0 == length $header) {
773 die 'header has length 0';
774 }
776 ##############
777 # check source
778 my $source_l = $msg_hash->{'source'};
779 if( 1 != @{$source_l} ) {
780 die 'no or more than 1 sources specified';
781 }
782 my $source = @{$source_l}[0];
783 if( 0 == length $source) {
784 die 'source has length 0';
785 }
786 unless( $source =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ) {
787 die "source '$source' is neither a complete ip-address with port nor 'GOSA'";
788 }
790 ##############
791 # check target
792 my $target_l = $msg_hash->{'target'};
793 if( 1 != @{$target_l} ) {
794 die 'no or more than 1 targets specified ';
795 }
796 my $target = @{$target_l}[0];
797 if( 0 == length $target) {
798 die 'target has length 0 ';
799 }
800 unless( $target =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ){
801 die "source is neither a complete ip-address with port nor 'GOSA'";
802 }
803 };
804 if($@) {
805 &main::daemon_log("WARNING: do not understand the message or msg is not gosa-si envelope conform:", 5);
806 &main::daemon_log("$@", 8);
807 $msg = undef;
808 $msg_hash = undef;
809 }
811 return ($msg, $msg_hash);
812 }
815 sub check_outgoing_xml_validity {
816 my ($msg) = @_;
818 my $msg_hash;
819 eval{
820 $msg_hash = $xml->XMLin($msg, ForceArray=>1);
822 ##############
823 # check header
824 my $header_l = $msg_hash->{'header'};
825 if( 1 != @{$header_l} ) {
826 die 'no or more than one headers specified';
827 }
828 my $header = @{$header_l}[0];
829 if( 0 == length $header) {
830 die 'header has length 0';
831 }
833 ##############
834 # check source
835 my $source_l = $msg_hash->{'source'};
836 if( 1 != @{$source_l} ) {
837 die 'no or more than 1 sources specified';
838 }
839 my $source = @{$source_l}[0];
840 if( 0 == length $source) {
841 die 'source has length 0';
842 }
843 unless( $source =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ||
844 $source =~ /^GOSA$/i ) {
845 die "source '$source' is neither a complete ip-address with port";
846 }
848 ##############
849 # check target
850 my $target_l = $msg_hash->{'target'};
851 if( 1 != @{$target_l} ) {
852 die "no or more than one targets specified";
853 }
854 foreach my $target (@$target_l) {
855 if( 0 == length $target) {
856 die "target has length 0";
857 }
858 unless( $target =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ) {
859 die "target '$target' is not a complete ip-address with port or a valid target name";
860 }
861 }
862 };
863 if($@) {
864 daemon_log("WARNING: outgoing msg is not gosa-si envelope conform", 5);
865 daemon_log("$@ $msg", 8);
866 $msg_hash = undef;
867 }
868 return ($msg_hash);
869 }
872 sub trigger_new_key {
873 my ($kernel) = $_[KERNEL] ;
875 my $msg = "<xml><header>new_key</header><source>$client_address</source><target>$client_address</target></xml>";
876 &send_msg_to_target($msg, $client_address, $server_key, 'new_key');
878 $kernel->delay_set('trigger_new_key', $server_key_lifetime);
879 }
882 sub trigger_logged_in_users_report {
883 my ($kernel) = $_[KERNEL] ;
885 # just do if client is registered already
886 if( $REGISTERED ) {
887 my $result = qx(/usr/bin/users);
888 my @logged_in_user_list;
889 if( defined $result ) {
890 chomp($result);
891 @logged_in_user_list = split(/\s/, $result);
892 }
894 system("echo 'CURRENTLY_LOGGED_IN ".join(" ", @logged_in_user_list)."' > /var/run/gosa-si/gosa-si-client.socket");
895 $kernel->delay_set('trigger_logged_in_users_report', $trigger_logged_in_users_report_delay);
896 } else {
897 # try it in 10 sec again
898 $kernel->delay_set('trigger_logged_in_users_report', 10);
899 }
900 }
902 sub trigger_set_terminal_server
903 {
904 # Function is defined in load_reporter.pm
905 if (exists $event_hash->{set_terminal_server})
906 {
907 no strict 'refs';
908 &{$event_hash->{set_terminal_server}."::set_terminal_server"};
909 }
910 else
911 {
912 &daemon_log("0 ERROR: load_reporter.pm needs function set_terminal_server to write terminal server load information to client. Processing aborted!", 1);
913 }
914 return;
915 }
917 sub trigger_seen_messages {
918 my ($kernel) = $_[KERNEL] ;
920 # Select all files under /tmp with prefix 'goto_notify'
921 my $goto_dir = "/tmp";
922 opendir(DIR, $goto_dir);
923 my @goto_files = grep { /.+\.goto_notify$/ && -f "$goto_dir/$_" } readdir(DIR);
924 closedir DIR;
926 # Check if file has 'seen' tag
927 foreach my $goto_file (@goto_files) {
928 open(my $FILE, "$goto_dir/$goto_file");
929 my @lines = <$FILE>;
930 close($FILE);
932 my $source;
933 my $target;
934 my $usr;
935 my $subject;
936 my $message;
937 my $seen = 0;
938 chomp(@lines);
939 foreach my $line (@lines) {
940 if ($line =~ /^source:([\S\s]*)$/) {
941 $source = $1
942 }
943 if ($line =~ /^target:([\S\s]*)$/) {
944 $target = $1;
945 }
946 if ($line =~ /^usr:([\S\s]*)$/) {
947 $usr = $1;
948 }
949 if ($line =~ /^subject:([\S\s]*)$/) {
950 $subject = $1;
951 }
952 if ($line =~ /^message:([\S\s]*)$/) {
953 $message = $1;
954 }
955 if ($line =~ /^seen$/) {
956 $seen++;
957 }
958 }
960 # Send 'confirm_usr_msg' back to msg-hosting server
961 if ($seen) {
962 my %data = ('usr'=>$usr, 'subject'=>$subject, 'message'=>$message);
963 my $confirm_msg = &build_msg("confirm_usr_msg", $target, $source, \%data);
964 my $send_error = &send_msg_to_target($confirm_msg, $server_address, $server_key);
966 # Delete file
967 if (not $send_error) {
968 system("rm $goto_dir/$goto_file");
969 }
970 }
971 }
973 $kernel->delay_set('trigger_seen_messages', $trigger_seen_messages_delay);
975 return;
976 }
979 sub generic_file_error {
980 my ( $heap, $operation, $errno, $error_string, $wheel_id ) =
981 @_[ HEAP, ARG0, ARG1, ARG2, ARG3 ];
983 my $service = $heap->{services}->{$wheel_id};
984 daemon_log("ERROR: '$service' watcher $operation error $errno: $error_string", 1);
985 daemon_log("ERROR: shutting down '$service' file watcher", 1);
987 delete $heap->{services}->{$wheel_id};
988 delete $heap->{watchers}->{$wheel_id};
989 return;
990 }
993 sub fai_fifo_got_record {
994 my $file_record = $_[ARG0];
995 my $header;
996 my $content = "";
997 daemon_log("DEBUG: fifo got record: $file_record", 7);
999 $file_record =~ /^(\S+)[ ]?([\s\S]+)?$/;
1000 if( defined $1 ) {
1001 $header = $1;
1002 } else {
1003 return;
1004 }
1006 if( defined $2 ) {
1007 $content = $2;
1008 }
1010 my $clmsg_hash = &create_xml_hash("CLMSG_$header", $client_address, $server_address, $content);
1011 &add_content2xml_hash($clmsg_hash, "macaddress", $client_mac_address);
1012 my $utc_ts = &main::get_utc_time();
1013 &add_content2xml_hash($clmsg_hash, "timestamp", $utc_ts);
1014 my $clmsg = &create_xml_string($clmsg_hash);
1015 &send_msg_to_target($clmsg, $server_address, $server_key, "CLMSG_$header");
1017 # if installation finished, save all log files
1018 if ($file_record eq "TASKBEGIN finish") {
1019 &save_fai_log($fai_log_dir);
1020 }
1022 return;
1023 }
1026 sub system_fifo_got_record {
1027 my ($kernel, $socket_com_record) = @_[KERNEL, ARG0];
1028 $socket_com_record =~ /^(\S+)\s?([\s\S]*)$/;
1029 my $function = $1;
1030 my $content = $2;
1032 if( exists $event_hash->{$function} )
1033 {
1034 # a event exists with the header as name
1035 daemon_log("INFO: found event '$function' at event-module '".$event_hash->{$function}."'", 5);
1036 no strict 'refs';
1037 my $answer = &{$event_hash->{$function}."::$function"}($content, $kernel);
1038 &post_processing_and_sending($answer)
1039 }
1040 else
1041 {
1042 daemon_log("ERROR: Got input '$socket_com_record' from socket '$system_com_fifo'", 1);
1043 daemon_log("ERROR: No event '$function' found in event modules under '$event_dir'.", 1);
1044 }
1046 # # Sanity check of fifo record
1047 #
1048 # # Create record message
1049 # my $lr_msg_hash = &create_xml_hash("load_report", $client_address, $server_address, $file_record);
1050 # &add_content2xml_hash($lr_msg_hash, "macaddress", $client_mac_address);
1051 # my $utc_ts = &main::get_utc_time();
1052 # &add_content2xml_hash($lr_msg_hash, "timestamp", $utc_ts);
1053 # my $lr_msg = &create_xml_string($lr_msg_hash);
1054 #
1055 # # Report message to si-server
1056 # &send_msg_to_target($lr_msg, $server_address, $server_key, "load_report");
1058 return;
1059 }
1062 sub save_fai_log {
1063 my ($fai_log_dir) = @_ ;
1064 my $FAI_DIR;
1066 # Directory for log files after a softupdate
1067 my $log_dir = File::Spec->catdir($fai_log_dir, "localhost/last");
1069 if (not -d $log_dir) {
1070 # Directory for log files after a new installation
1071 $log_dir = "/tmp/fai";
1072 if (not -d $log_dir) {
1073 daemon_log("ERROR: cannot open directory $log_dir", 1);
1074 return;
1075 }
1076 }
1078 opendir($FAI_DIR, "$log_dir");
1079 my @log_files = readdir($FAI_DIR);
1080 closedir($FAI_DIR);
1082 my @log_list;
1083 foreach my $log_file (@log_files) {
1084 if( $log_file eq "." || $log_file eq ".." ) { next; }
1086 my $log = "log_file:$log_file:";
1087 $log_file = File::Spec->catfile( $log_dir, $log_file );
1089 if (not -f $log_file) {
1090 daemon_log("ERROR: cannot read $log_file", 1);
1091 next;
1092 }
1094 open(my $FILE, "<","$log_file");
1095 my @lines = <$FILE> ;
1096 close ($FILE);
1097 my $log_string = join("", @lines);
1098 $log .= &encode_base64($log_string);
1099 push(@log_list, $log);
1100 }
1102 my $all_log_string = join("\n", @log_list);
1103 my $msg_hash = &create_xml_hash("CLMSG_save_fai_log", $client_address, $server_address, $all_log_string);
1104 &add_content2xml_hash($msg_hash, "macaddress", $client_mac_address);
1105 my $msg = &create_xml_string($msg_hash);
1106 &send_msg_to_target($msg, $server_address, $server_key, "CLMSG_save_fai_log");
1108 }
1111 sub sig_handler {
1112 my ($kernel, $signal) = @_[KERNEL, ARG0] ;
1113 daemon_log("0 INFO got signal '$signal'", 1);
1114 $kernel->sig_handled();
1115 return;
1116 }
1119 sub _start {
1120 my ($kernel, $heap) = @_[KERNEL, HEAP];
1121 $kernel->alias_set('client_session');
1122 $global_kernel = $kernel; # this is used to throw events at each point of the skript
1124 $kernel->sig(USR1 => "sig_handler");
1126 # force a registration at a gosa-si-server
1127 $kernel->yield('register_at_gosa_si_server');
1129 # install all file watcher defined
1130 while( my($name, $file) = each %files_to_watch ) {
1131 my $watcher = POE::Wheel::FollowTail->new(
1132 Filename => $file,
1133 InputEvent => $name."_record",
1134 ErrorEvent => "file_error",
1135 );
1136 $heap->{services}->{ $watcher->ID } = $name;
1137 $heap->{watchers}->{ $watcher->ID } = $watcher;
1138 }
1139 $kernel->yield('trigger_logged_in_users_report');
1140 $kernel->yield('trigger_seen_messages');
1141 }
1144 sub _default {
1145 daemon_log("ERROR: can not handle incoming msg with header '$_[ARG0]'", 1);
1146 return;
1147 }
1150 sub server_input {
1151 my ($kernel, $heap, $input, $wheel) = @_[KERNEL, HEAP, ARG0, ARG1];
1152 my $remote_ip = $heap->{'remote_ip'},
1153 my $error = 0;
1154 my $answer;
1156 daemon_log("INFO: Incoming msg from '$remote_ip'", 5);
1157 daemon_log("DEBUG: Incoming msg:\n$input\n", 9);
1159 # Cut of ip and port from msgs tail
1160 my ($encrypted_msg, $msg_source) = split(/;/, $input);
1162 my ($msg, $msg_hash) = &check_key_and_xml_validity($encrypted_msg, $server_key);
1163 if( (!$msg) || (!$msg_hash) ) {
1164 daemon_log("WARNING: Deciphering of incoming msg failed", 3);
1165 if($server_address =~ /$remote_ip/) {
1166 # Got a msg from gosa-si-server which can not be decrypted, the secrete is not up-to-date
1167 # cause a reregistering with a new secrete handshake
1168 daemon_log("ERROR: Message from gosa-si-server could not be understood, cause reregistering at server", 1);
1169 if ($REGISTERED) {
1170 daemon_log("INFO: Client has currently status registered so throw new registering event", 5);
1171 &_setREGISTERED(0);
1172 $kernel->post('client_session', 'register_at_gosa_si_server');
1173 } else {
1174 daemon_log("INFO: Client is currently within a registration process so wait for the next registration itteration", 5);
1175 }
1176 }
1177 $error++;
1178 }
1181 ######################
1182 # process incoming msg
1183 if( $error == 0 ) {
1184 my $header = @{$msg_hash->{header}}[0];
1185 my $source = @{$msg_hash->{source}}[0];
1187 if( exists $event_hash->{$header} ) {
1189 # a event exists with the header as name
1190 daemon_log("INFO: found event '$header' at event-module '".$event_hash->{$header}."'", 5);
1191 no strict 'refs';
1192 $answer = &{$event_hash->{$header}."::$header"}($msg, $msg_hash);
1193 }
1194 else {
1195 daemon_log("WARNING: no event '$header' found in event modules under $event_dir", 3);
1196 }
1197 }
1199 ########
1200 # answer
1201 &post_processing_and_sending($answer);
1203 return;
1204 }
1206 sub post_processing_and_sending
1207 {
1208 my ($answer) = @_ ;
1210 # Do nothing if answer does not exists
1211 if (not defined $answer) { return; }
1213 # Check gosa-si envelope validity
1214 my $answer_hash = &check_outgoing_xml_validity($answer);
1216 # If answer is valid go ahead
1217 if( not defined $answer_hash ) { return; }
1219 # Sending
1220 $answer =~ /<header>(\S+)<\/header>/;
1221 &send_msg_to_target($answer, $server_address, $server_key, $1);
1223 return;
1224 }
1226 sub find_servers {
1227 # add gosa-si-server address from config file at first position of server list
1228 my $server_check_cfg = Config::IniFiles->new( -file => $config );
1230 # Parse servers string
1231 my @conf_servers = split(',', $servers_string);
1233 # Now search for fallback servers in the configuration
1234 foreach my $cur_server (@conf_servers) {
1235 # Remove spaces from the IP
1236 $cur_server =~ s/\s//g;
1238 my $ip = $cur_server;
1239 if(not $cur_server =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/) {
1240 my $ip_address = inet_ntoa(scalar gethostbyname($ip));
1241 if(defined($ip_address) && $ip_address =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/) {
1242 # Write ip address to $server_ip variable
1243 $ip = $ip_address;
1244 }
1245 }
1247 my $server_addr = sprintf("%s:%s", $ip, $server_port);
1248 if (not grep { $_ eq $server_addr } @servers) {
1249 push(@servers, $server_addr);
1250 }
1251 }
1253 my $servers_string = join(", ", @servers);
1254 daemon_log("INFO: found servers in configuration file: $servers_string", 1);
1256 # Last but not least search for fallback servers in the DNS
1257 if (defined($opts_dnslookup) and $opts_dnslookup eq "true") {
1258 my @tmp_servers;
1259 if ( !$server_domain) {
1260 # Try our DNS Searchlist
1261 my @domain_list = &get_dns_domains();
1262 my $tmp_domains;
1263 my $error_string;
1264 for my $domain (@domain_list) {
1265 chomp($domain);
1266 ($tmp_domains, $error_string) = &get_server_addresses($domain);
1267 if(@$tmp_domains) {
1268 for my $tmp_server(@$tmp_domains) {
1269 push @tmp_servers, $tmp_server;
1270 }
1271 }
1272 }
1274 if (0 == @tmp_servers) {
1275 daemon_log("INFO: No servers found in DNS.", 1);
1276 }
1277 else {
1278 my $servers_string = join(", ", @tmp_servers);
1279 daemon_log("INFO: found servers in DNS: $servers_string", 1);
1280 }
1281 } else {
1282 @tmp_servers = &get_server_addresses($server_domain);
1283 if( 0 == @tmp_servers ) {
1284 daemon_log("INFO: No servers found in DNS for domain '$server_domain'",1);
1285 }
1286 }
1288 if ( 0 != @tmp_servers ) {
1289 foreach my $server_addr (@tmp_servers) {
1290 if (not grep { $_ eq $server_addr } @servers) {
1291 push(@servers, $server_addr);
1292 }
1293 }
1294 }
1295 }
1297 if (0 == scalar(@servers)) {
1298 daemon_log("ERROR: No servers found in the configuration or DNS.", 1);
1299 exit(1);
1300 }
1302 # Define first server as server_ip
1303 $server_ip = $servers[0];
1305 # prepare variables
1306 if( inet_aton($server_ip) ){ $server_ip = inet_ntoa(inet_aton($server_ip)); }
1307 if (defined $server_ip && defined $server_port) {
1308 $server_address = $server_ip.":".$server_port;
1309 }
1310 }
1313 sub start_daemon {
1315 if( ! $foreground ) {
1316 chdir '/' or die "Can't chdir to /: $!";
1317 umask 0;
1318 open STDIN, '+>/dev/null' or die "Can't read /dev/null: $!";
1319 open STDOUT, '+>&STDIN' or die "Can't write to /dev/null: $!";
1320 open STDERR, '+>&STDIN' or die "Can't write to /dev/null: $!";
1321 defined($pid = fork) or die "Can't fork: $!";
1322 exit if $pid;
1323 setsid or die "Can't start a new session: $!";
1324 }
1325 return;
1326 }
1328 sub put_version {
1330 # parse head url and revision from svn
1331 $client_version =~ /^\$HeadURL: (\S+) \$:\$Rev: (\d+) \$$/;
1332 $client_headURL = defined $1 ? $1 : 'unknown' ;
1333 $client_revision = defined $2 ? $2 : 'unknown' ;
1334 if ($client_headURL =~ /\/tag\// ||
1335 $client_headURL =~ /\/branches\// ) {
1336 $client_status = "stable";
1337 } else {
1338 $client_status = "developmental" ;
1339 }
1340 return;
1341 }
1343 sub get_perms_admin {
1344 # Determine root uid and adm gid, used for creating log files
1345 $root_uid = getpwnam('root');
1346 $adm_gid = getgrnam('adm');
1347 if(not defined $adm_gid){
1348 $adm_gid = getgrnam('root');
1349 }
1350 return;
1351 }
1353 sub create_pid {
1354 # Create the PID object
1355 $pid = File::Pid->new({ file => $pid_file });
1357 # Write the PID file
1358 $pid->write;
1360 return;
1361 }
1363 #
1364 #==== MAIN = main ==============================================================
1365 #
1366 # Parse options and allow '-vvv'
1367 Getopt::Long::Configure( 'bundling' );
1368 GetOptions( 'v|verbose+' => \$verbose,
1369 'h|help' => \&usage,
1370 'c|config=s' => \$config,
1371 'x|dump-config=i' => \$dump_config,
1372 'f|foreground' => \$foreground)
1373 or usage( '', 1 );
1375 # We may want to dump the default configuration
1376 if( defined $dump_config ) {
1377 if($dump_config==1) {
1378 } elsif ($dump_config==2) {
1379 dump_configuration( $dump_config );
1380 } else {
1381 usage( "Dump configuration value has to be 1 or 2" );
1382 }
1383 }
1385 # read and set config parameters
1386 &read_configfile($config, %cfg_defaults);
1388 # daemonize the program
1389 &start_daemon($foreground);
1391 # create pid file
1392 &create_pid($pid, $pid_file);
1394 # Determine root uid and adm gid, used for creating log files
1395 &get_perms_admin($root_uid, $adm_gid);
1397 # put version
1398 &put_version($client_status_hash, $client_version, $client_version, $client_headURL, $client_status);
1400 daemon_log(" ", 1);
1401 daemon_log("$0 started!", 1);
1402 daemon_log("INFO: status: $client_status", 1);
1403 daemon_log("INFO: ".$client_status_hash->{$client_status}.": $client_revision", 1);
1405 # to be changed maybe not trace of it when running
1406 #system('rm -f /tmp/gosa_si_lock*gosa-si-client*');
1408 # detect ip and mac address and complete host address
1409 $client_address = $client_ip.":".$client_port;
1410 my $network_interface= &get_interface_for_ip($client_ip);
1411 $client_mac_address= &get_mac($network_interface);
1413 daemon_log("INFO: ip address detected: $client_ip", 1);
1414 daemon_log("INFO: $0 mac address detected: $client_mac_address", 1);
1417 # import events
1418 my ($error, $result, $tmp_hash) = &import_events($event_dir);
1419 while (my ($module, $mod_event_hash) = each %$tmp_hash) {
1420 while (my ($event_name, $nothing) = each %$mod_event_hash) {
1421 $event_hash->{$event_name} = $module;
1422 }
1423 }
1425 foreach my $log_line (@$result) {
1426 if ($log_line =~ / succeed: /) {
1427 &main::daemon_log("0 DEBUG: $log_line", 7);
1428 } else {
1429 &main::daemon_log("0 ERROR: $log_line", 1);
1430 }
1431 }
1434 # compute hardware checksum
1435 $gotoHardwareChecksum= &generate_hw_digest();
1436 daemon_log("INFO: gotoHardwareChecksum detected: $gotoHardwareChecksum", 1);
1438 # create socket for incoming xml messages
1439 POE::Component::Server::TCP->new(
1440 Alias => 'gosa-si-client',
1441 Port => $client_port,
1442 ClientInput => \&server_input,
1443 );
1444 daemon_log("INFO: start socket for incoming xml messages at port '$client_port' ", 1);
1446 $xml = new XML::Simple();
1447 $default_server_key = $server_key;
1449 # Open a new fifo for FAI messages to gosa-si-server
1450 if (-p $fai_com_fifo) { unlink $fai_com_fifo }
1451 POSIX::mkfifo("$fai_com_fifo", 0600);
1453 # Find servers from config and DNS
1454 &find_servers;
1456 # Open a new fifo for system communication,
1457 if (-p $system_com_fifo) { unlink $system_com_fifo }
1458 if ($system_com eq "enabled")
1459 {
1460 POSIX::mkfifo("$system_com_fifo", 0600);
1461 }
1463 POE::Session->create(
1464 inline_states => {
1465 _start => \&_start,
1466 _default => \&_default,
1467 sig_handler => \&sig_handler,
1468 register_at_gosa_si_server => \®ister_at_gosa_si_server,
1470 # trigger periodical tasks
1471 trigger_new_key => \&trigger_new_key,
1472 trigger_logged_in_users_report => \&trigger_logged_in_users_report,
1473 trigger_seen_messages => \&trigger_seen_messages,
1475 # trigger non periodical tasks
1476 trigger_set_terminal_server => \&trigger_set_terminal_server,
1478 # handle records from each defined file differently
1479 fai_fifo_record => \&fai_fifo_got_record,
1480 system_fifo_record => \&system_fifo_got_record,
1482 # handle file resets and errors the same way for each file
1483 file_reset => \&generic_file_reset,
1484 file_error => \&generic_file_error,
1485 }
1486 );
1488 POE::Kernel->run();
1489 exit;