Code

Replaced config->search with get_cfg_value
[gosa.git] / gosa-si / gosa-si-server
1 #!/usr/bin/perl
2 #===============================================================================
3 #
4 #         FILE:  gosa-si-server
5 #
6 #        USAGE:  ./gosa-si-server
7 #
8 #  DESCRIPTION:
9 #
10 #      OPTIONS:  ---
11 # REQUIREMENTS:  libconfig-inifiles-perl libcrypt-rijndael-perl libxml-simple-perl 
12 #                libdata-dumper-simple-perl libdbd-sqlite3-perl libnet-ldap-perl
13 #                libpoe-perl
14 #         BUGS:  ---
15 #        NOTES:
16 #       AUTHOR:   (Andreas Rettenberger), <rettenberger@gonicus.de>
17 #      COMPANY:
18 #      VERSION:  1.0
19 #      CREATED:  12.09.2007 08:54:41 CEST
20 #     REVISION:  ---
21 #===============================================================================
23 use strict;
24 use warnings;
25 use Getopt::Long;
26 use Config::IniFiles;
27 use POSIX;
29 use Fcntl qw/:flock/;
30 use IO::Socket::INET;
31 use IO::Handle;
32 use IO::Select;
33 use Symbol qw(qualify_to_ref);
34 use Crypt::Rijndael;
35 use MIME::Base64;
36 use Digest::MD5  qw(md5 md5_hex md5_base64);
37 use XML::Simple;
38 use Data::Dumper;
39 use Sys::Syslog qw( :DEFAULT setlogsock);
40 use Time::HiRes qw( usleep clock_gettime );
41 use Cwd;
42 use File::Spec;
43 use File::Basename;
44 use File::Find;
45 use File::Copy;
46 use File::Path;
47 use GOSA::GosaSupportDaemon;
48 use POE qw(Component::Server::TCP Wheel::Run Filter::Reference);
49 use Net::LDAP;
50 use Net::LDAP::Util qw(:escape);
52 my $server_version = '$HeadURL: https://oss.gonicus.de/repositories/gosa/trunk/gosa-si/gosa-si-server $:$Rev$';
54 # revision number of server and program name
55 my $server_headURL;
56 my $server_revision;
57 my $server_status;
58 our $prg= basename($0);
59 our $verbose= 0;
61 my $db_module = "DBsqlite";
62 {
63 no strict "refs";
64 require ("GOSA/".$db_module.".pm");
65 ("GOSA/".$db_module)->import;
66 }
68 my $modules_path = "/usr/lib/gosa-si/modules";
69 use lib "/usr/lib/gosa-si/modules";
71 our $global_kernel;
72 my ($foreground, $ping_timeout);
73 my ($server);
74 my ($gosa_server, $job_queue_timeout, $job_queue_loop_delay);
75 my ($messaging_db_loop_delay);
76 my ($procid, $pid);
77 my $arp_fifo;
78 my $debug_parts = 0;
79 my $debug_parts_bitstring;
80 my ($xml);
81 my $sources_list;
82 my $max_clients;
83 my %repo_files=();
84 my $repo_path;
85 my %repo_dirs=();
87 # Variables declared in config file are always set to 'our'
88 our (%cfg_defaults, $log_file, $pid_file, 
89     $server_ip, $server_port, $ClientPackages_key, $dns_lookup,
90     $arp_activ, $gosa_unit_tag,
91     $GosaPackages_key, $gosa_timeout,
92     $serverPackages_enabled, $foreign_server_string, $server_domain, $ServerPackages_key, $foreign_servers_register_delay,
93     $wake_on_lan_passwd, $job_synchronization, $modified_jobs_loop_delay,
94     $arp_enabled, $arp_interface,
95     $opsi_enabled, $opsi_server, $opsi_admin, $opsi_password,
96     $new_systems_ou,
97     $arch,
98 );
100 # additional variable which should be globaly accessable
101 our $server_address;
102 our $server_mac_address;
103 our $gosa_address;
104 our $no_arp;
105 our $forground;
106 our $cfg_file;
107 our ($ldap_uri, $ldap_base, $ldap_admin_dn, $ldap_admin_password, $ldap_server_dn, $ldap_version, $ldap_retry_sec);
108 our ($mysql_username, $mysql_password, $mysql_database, $mysql_host);
109 our $known_modules;
110 our $known_functions;
111 our $root_uid;
112 our $adm_gid;
114 # if foreground is not null, script will be not forked to background
115 $foreground = 0 ;
117 # specifies the timeout seconds while checking the online status of a registrating client
118 $ping_timeout = 5;
120 $no_arp = 0;
121 my $packages_list_under_construction = "/tmp/packages_list_creation_in_progress";
122 my @packages_list_statements;
123 my $watch_for_new_jobs_in_progress = 0;
125 # holds all incoming decrypted messages
126 our $incoming_db;
127 our $incoming_tn = 'incoming';
128 my $incoming_file_name;
129 my @incoming_col_names = ("id INTEGER PRIMARY KEY",
130         "timestamp VARCHAR(14) DEFAULT 'none'", 
131         "headertag VARCHAR(255) DEFAULT 'none'",
132         "targettag VARCHAR(255) DEFAULT 'none'",
133         "xmlmessage TEXT",
134         "module VARCHAR(255) DEFAULT 'none'",
135         "sessionid VARCHAR(255) DEFAULT '0'",
136 );
138 # holds all gosa jobs
139 our $job_db;
140 our $job_queue_tn = 'jobs';
141 my $job_queue_file_name;
142 my @job_queue_col_names = ("id INTEGER PRIMARY KEY",
143         "timestamp VARCHAR(14) DEFAULT 'none'", 
144         "status VARCHAR(255) DEFAULT 'none'", 
145         "result TEXT",
146         "progress VARCHAR(255) DEFAULT 'none'",
147         "headertag VARCHAR(255) DEFAULT 'none'",
148         "targettag VARCHAR(255) DEFAULT 'none'", 
149         "xmlmessage TEXT", 
150         "macaddress VARCHAR(17) DEFAULT 'none'",
151         "plainname VARCHAR(255) DEFAULT 'none'",
152         "siserver VARCHAR(255) DEFAULT 'none'",
153         "modified INTEGER DEFAULT '0'",
154         "periodic VARCHAR(6) DEFAULT 'none'",
155 );
157 # holds all other gosa-si-server
158 our $known_server_db;
159 our $known_server_tn = "known_server";
160 my $known_server_file_name;
161 my @known_server_col_names = ("hostname VARCHAR(255)", "macaddress VARCHAR(17)", "status VARCHAR(255)", "hostkey VARCHAR(255)", "loaded_modules TEXT", "timestamp VARCHAR(14)", "update_time VARCHAR(14)");
163 # holds all registrated clients
164 our $known_clients_db;
165 our $known_clients_tn = "known_clients";
166 my $known_clients_file_name;
167 my @known_clients_col_names = ("hostname VARCHAR(255)", "status VARCHAR(255)", "hostkey VARCHAR(255)", "timestamp VARCHAR(14)", "macaddress VARCHAR(17)", "events TEXT", "keylifetime VARCHAR(255)");
169 # holds all registered clients at a foreign server
170 our $foreign_clients_db;
171 our $foreign_clients_tn = "foreign_clients"; 
172 my $foreign_clients_file_name;
173 my @foreign_clients_col_names = ("hostname VARCHAR(255)", "macaddress VARCHAR(17)", "regserver VARCHAR(255)", "timestamp VARCHAR(14)");
175 # holds all logged in user at each client 
176 our $login_users_db;
177 our $login_users_tn = "login_users";
178 my $login_users_file_name;
179 my @login_users_col_names = ("client VARCHAR(255)", "user VARCHAR(255)", "timestamp VARCHAR(14)", "regserver VARCHAR(255) DEFAULT 'localhost'");
181 # holds all fai server, the debian release and tag
182 our $fai_server_db;
183 our $fai_server_tn = "fai_server"; 
184 my $fai_server_file_name;
185 our @fai_server_col_names = ("timestamp VARCHAR(14)", "server VARCHAR(255)", "fai_release VARCHAR(255)", "sections VARCHAR(255)", "tag VARCHAR(255)"); 
187 our $fai_release_db;
188 our $fai_release_tn = "fai_release"; 
189 my $fai_release_file_name;
190 our @fai_release_col_names = ("timestamp VARCHAR(14)", "fai_release VARCHAR(255)", "class VARCHAR(255)", "type VARCHAR(255)", "state VARCHAR(255)"); 
192 # holds all packages available from different repositories
193 our $packages_list_db;
194 our $packages_list_tn = "packages_list";
195 my $packages_list_file_name;
196 our @packages_list_col_names = ("distribution VARCHAR(255)", "package VARCHAR(255)", "version VARCHAR(255)", "section VARCHAR(255)", "description TEXT", "template LONGBLOB", "timestamp VARCHAR(14)");
197 my $outdir = "/tmp/packages_list_db";
199 # holds all messages which should be delivered to a user
200 our $messaging_db;
201 our $messaging_tn = "messaging"; 
202 our @messaging_col_names = ("id INTEGER", "subject TEXT", "message_from VARCHAR(255)", "message_to VARCHAR(255)", 
203         "flag VARCHAR(255)", "direction VARCHAR(255)", "delivery_time VARCHAR(255)", "message TEXT", "timestamp VARCHAR(14)" );
204 my $messaging_file_name;
206 # path to directory to store client install log files
207 our $client_fai_log_dir = "/var/log/fai"; 
209 # queue which stores taskes until one of the $max_children children are ready to process the task
210 #my @tasks = qw();
211 my @msgs_to_decrypt = qw();
212 my $max_children = 2;
215 # loop delay for job queue to look for opsi jobs
216 my $job_queue_opsi_delay = 10;
217 our $opsi_client;
218 our $opsi_url;
219  
220 # Lifetime of logged in user information. If no update information comes after n seconds, 
221 # the user is expeceted to be no longer logged in or the host is no longer running. Because
222 # of this, the user is deleted from login_users_db
223 our $logged_in_user_date_of_expiry = 600;
225 # List of month names, used in function daemon_log
226 my @monthnames = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
228 # List of accepted periodical xml tags related to cpan modul DateTime
229 our $check_periodic = {"months"=>'', "weeks"=>'', "days"=>'', "hours"=>'', "minutes"=>''};
232 %cfg_defaults = (
233 "general" => {
234     "log-file" => [\$log_file, "/var/run/".$prg.".log"],
235     "pid-file" => [\$pid_file, "/var/run/".$prg.".pid"],
236     },
237 "server" => {
238     "ip"                    => [\$server_ip, "0.0.0.0"],
239     "port"                  => [\$server_port, "20081"],
240     "known-clients"         => [\$known_clients_file_name, '/var/lib/gosa-si/clients.db' ],
241     "known-servers"         => [\$known_server_file_name, '/var/lib/gosa-si/servers.db'],
242     "incoming"              => [\$incoming_file_name, '/var/lib/gosa-si/incoming.db'],
243     "login-users"           => [\$login_users_file_name, '/var/lib/gosa-si/users.db'],
244     "fai-server"            => [\$fai_server_file_name, '/var/lib/gosa-si/fai_server.db'],
245     "fai-release"           => [\$fai_release_file_name, '/var/lib/gosa-si/fai_release.db'],
246     "packages-list"         => [\$packages_list_file_name, '/var/lib/gosa-si/packages.db'],
247     "messaging"             => [\$messaging_file_name, '/var/lib/gosa-si/messaging.db'],
248     "foreign-clients"       => [\$foreign_clients_file_name, '/var/lib/gosa-si/foreign_clients.db'],
249     "source-list"           => [\$sources_list, '/etc/apt/sources.list'],
250     "repo-path"             => [\$repo_path, '/srv/www'],
251     "debian-arch"           => [\$arch, 'i386'],     
252     "ldap-uri"              => [\$ldap_uri, ""],
253     "ldap-base"             => [\$ldap_base, ""],
254     "ldap-admin-dn"         => [\$ldap_admin_dn, ""],
255     "ldap-admin-password"   => [\$ldap_admin_password, ""],
256     "ldap-version"          => [\$ldap_version, 3],
257     "ldap-retry-sec"        => [\$ldap_retry_sec, 10],
258     "gosa-unit-tag"         => [\$gosa_unit_tag, ""],
259     "max-clients"           => [\$max_clients, 10],
260     "wol-password"          => [\$wake_on_lan_passwd, ""],
261     "mysql-username"        => [\$mysql_username, "gosa_si"],
262     "mysql-password"        => [\$mysql_password, ""],
263     "mysql-database"        => [\$mysql_database, "gosa_si"],
264     "mysql-host"            => [\$mysql_host, "127.0.0.1"],
265     },
266 "GOsaPackages" => {
267     "job-queue" => [\$job_queue_file_name, '/var/lib/gosa-si/jobs.db'],
268     "job-queue-loop-delay" => [\$job_queue_loop_delay, 3],
269     "messaging-db-loop-delay" => [\$messaging_db_loop_delay, 3],
270     "key" => [\$GosaPackages_key, "none"],
271     "new-systems-ou" => [\$new_systems_ou, 'ou=workstations,ou=systems'],
272     },
273 "ClientPackages" => {
274     "key" => [\$ClientPackages_key, "none"],
275     "user-date-of-expiry" => [\$logged_in_user_date_of_expiry, 600],
276     },
277 "ServerPackages"=> {
278     "enabled"      => [\$serverPackages_enabled, "true"],
279     "address"      => [\$foreign_server_string, ""],
280     "dns-lookup"   => [\$dns_lookup, "true"],
281     "domain"       => [\$server_domain, ""],
282     "key"          => [\$ServerPackages_key, "none"],
283     "key-lifetime" => [\$foreign_servers_register_delay, 120],
284     "job-synchronization-enabled" => [\$job_synchronization, "true"],
285     "synchronization-loop" => [\$modified_jobs_loop_delay, 5],
286     },
287 "ArpHandler" => {
288     "enabled"   => [\$arp_enabled, "false"],
289     "interface" => [\$arp_interface, "all"],
290         },
291 "Opsi" => {
292     "enabled"  => [\$opsi_enabled, "false"], 
293     "server"   => [\$opsi_server, "localhost"],
294     "admin"    => [\$opsi_admin, "opsi-admin"],
295     "password" => [\$opsi_password, "secret"],
296    },
298 );
301 #===  FUNCTION  ================================================================
302 #         NAME:  usage
303 #   PARAMETERS:  nothing
304 #      RETURNS:  nothing
305 #  DESCRIPTION:  print out usage text to STDERR
306 #===============================================================================
307 sub usage {
308     print STDERR << "EOF" ;
309 usage: $prg [-hvf] [-c config] [-d number]
311            -h        : this (help) message
312            -c <file> : config file
313            -f        : foreground, process will not be forked to background
314            -v        : be verbose (multiple to increase verbosity)
315                               'v': error logs
316                             'vvv': warning plus error logs                                              
317                           'vvvvv': info plus warning logs
318                         'vvvvvvv': debug plus info logs
319            -no-arp   : starts $prg without connection to arp module
320            -d <int>  : if verbose level is higher than 7x 'v' specified parts can be debugged
321                            1 : report incoming messages
322                            2 : report unencrypted outgoing messages 
323                            4 : report encrypting key for messages
324                            8 : report decrypted incoming message and verification if the message complies gosa-si requirements
325                           16 : message processing
326                           32 : ldap connectivity
327                           64 : database status and connectivity
328                          128 : main process 
329                          256 : creation of packages_list_db
330                          512 : ARP debug information
331 EOF
332         exit(0);
336 #===  FUNCTION  ================================================================
337 #         NAME:  logging
338 #   PARAMETERS:  level - string - default 'info'
339 #                msg - string -
340 #                facility - string - default 'LOG_DAEMON'
341 #      RETURNS:  nothing
342 #  DESCRIPTION:  function for logging
343 #===============================================================================
344 sub daemon_log {
345     my( $msg, $level ) = @_;
346     if (not defined $msg) { return }
347     if (not defined $level) { $level = 1 }
348         my $to_be_logged = 0;
350         # Write log line if line level is lower than verbosity given in commandline
351         if ($level <= $verbose) 
352         { 
353                 $to_be_logged = 1 ;
354         }
356         # Write if debug flag is set and bitstring matches
357         if ($debug_parts > 0)
358         {
359                 my $tmp_level = ($level - 10 >= 0) ? $level - 10 : 0 ;
360                 my $tmp_level_bitstring = unpack("B32", pack("N", $tmp_level));
361                 if (int($debug_parts_bitstring & $tmp_level_bitstring)) 
362                 {
363                         $to_be_logged = 1;
364                 }
365         }
367         if ($to_be_logged) 
368         {
369                 if(defined $log_file){
370                         my $open_log_fh = sysopen(LOG_HANDLE, $log_file, O_WRONLY | O_CREAT | O_APPEND , 0440);
371                         if(not $open_log_fh) {
372                                 print STDERR "cannot open $log_file: $!";
373                                 return;
374                         }
375                         # Check owner and group of log_file and update settings if necessary
376                         my ($dev, $ino, $mode, $nlink, $uid, $gid, $rdev, $size, $atime, $mtime, $ctime, $blksize, $blocks) = stat($log_file);
377                         if((not $uid eq $root_uid) || (not $gid eq $adm_gid)) {
378                                 chown($root_uid, $adm_gid, $log_file);
379                         }
381                         # Prepare time string for log message
382                         my ($seconds,$minutes,$hours,$monthday,$month,$year,$weekday,$yearday,$sommertime) = localtime(time);
383                         $hours = $hours < 10 ? $hours = "0".$hours : $hours;
384                         $minutes = $minutes < 10 ? $minutes = "0".$minutes : $minutes;
385                         $seconds = $seconds < 10 ? $seconds = "0".$seconds : $seconds;
386                         $month = $monthnames[$month];
387                         $monthday = $monthday < 10 ? $monthday = "0".$monthday : $monthday;
388                         $year+=1900;
390                         # Microseconds since epoch
391                         my $microSeconds = sprintf("%.2f", &Time::HiRes::clock_gettime());
392                         $microSeconds =~ s/^\d*(.\d\d)$/$1/;
394                         # Build log message and write it to log file and commandline
395                         chomp($msg);
396                         my $log_msg = "$month $monthday $hours:$minutes:$seconds$microSeconds $prg $msg\n";
397                         flock(LOG_HANDLE, LOCK_EX);
398                         seek(LOG_HANDLE, 0, 2);
399                         print LOG_HANDLE $log_msg;
400                         flock(LOG_HANDLE, LOCK_UN);
401                         if( $foreground ) 
402                         { 
403                                 print STDERR $log_msg;
404                         }
405                         close( LOG_HANDLE );
406                 }
407         }
411 #===  FUNCTION  ================================================================
412 #         NAME:  check_cmdline_param
413 #   PARAMETERS:  nothing
414 #      RETURNS:  nothing
415 #  DESCRIPTION:  validates commandline parameter
416 #===============================================================================
417 sub check_cmdline_param () {
418     my $err_counter = 0;
420         # Check configuration file
421         if(not defined($cfg_file)) {
422                 $cfg_file = "/etc/gosa-si/server.conf";
423                 if(! -r $cfg_file) {
424                         print STDERR "Please specify a config file.\n";
425                         $err_counter++;
426                 }
427     }
429         # Prepare identification which gosa-si parts should be debugged and which not
430         if (defined $debug_parts) 
431         {
432                 if ($debug_parts =~ /^\d+$/)
433                 {
434                         $debug_parts_bitstring = unpack("B32", pack("N", $debug_parts));
435                 }
436                 else
437                 {
438                         print STDERR "Value '$debug_parts' invalid for option d (number expected)\n";
439                         $err_counter++;
440                 }
441         }
443         # Exit if an error occour
444     if( $err_counter > 0 ) { &usage( "", 1 ); }
448 #===  FUNCTION  ================================================================
449 #         NAME:  check_pid
450 #   PARAMETERS:  nothing
451 #      RETURNS:  nothing
452 #  DESCRIPTION:  handels pid processing
453 #===============================================================================
454 sub check_pid {
455     $pid = -1;
456     # Check, if we are already running
457     if( open( my $LOCK_FILE, "<", "$pid_file" ) ) {
458         $pid = <$LOCK_FILE>;
459         if( defined $pid ) {
460             chomp( $pid );
461             if( -f "/proc/$pid/stat" ) {
462                 my($stat) = `cat /proc/$pid/stat` =~ m/$pid \((.+)\).*/;
463                 if( $stat ) {
464                                         print STDERR "\nERROR: Already running!\n";
465                     close( $LOCK_FILE );
466                     exit -1;
467                 }
468             }
469         }
470         close( $LOCK_FILE );
471         unlink( $pid_file );
472     }
474     # create a syslog msg if it is not to possible to open PID file
475     if (not sysopen(my $LOCK_FILE, $pid_file, O_WRONLY|O_CREAT|O_EXCL, 0644)) {
476         my($msg) = "Couldn't obtain lockfile '$pid_file' ";
477         if (open(my $LOCK_FILE, '<', $pid_file)
478                 && ($pid = <$LOCK_FILE>))
479         {
480             chomp($pid);
481             $msg .= "(PID $pid)\n";
482         } else {
483             $msg .= "(unable to read PID)\n";
484         }
485         if( ! ($foreground) ) {
486             openlog( $0, "cons,pid", "daemon" );
487             syslog( "warning", $msg );
488             closelog();
489         }
490         else {
491             print( STDERR " $msg " );
492         }
493         exit( -1 );
494     }
497 #===  FUNCTION  ================================================================
498 #         NAME:  import_modules
499 #   PARAMETERS:  module_path - string - abs. path to the directory the modules 
500 #                are stored
501 #      RETURNS:  nothing
502 #  DESCRIPTION:  each file in module_path which ends with '.pm' and activation 
503 #                state is on is imported by "require 'file';"
504 #===============================================================================
505 sub import_modules {
506     if (not -e $modules_path) {
507         daemon_log("0 ERROR: cannot find directory or directory is not readable: $modules_path", 1);   
508     }
510     opendir (DIR, $modules_path) or die "ERROR while loading modules from directory $modules_path : $!\n";
512     while (defined (my $file = readdir (DIR))) {
513         if (not $file =~ /(\S*?).pm$/) {
514             next;
515         }
516                 my $mod_name = $1;
518         # ArpHandler switch
519         if( $file =~ /ArpHandler.pm/ ) {
520             if( $arp_enabled eq "false" ) { next; }
521         }
523                 # ServerPackages switch
524                 if ($file eq "ServerPackages.pm" && $serverPackages_enabled eq "false") 
525                 {
526                         $dns_lookup = "false";
527                         next; 
528                 }
529         
530         eval { require $file; };
531         if ($@) {
532             daemon_log("0 ERROR: gosa-si-server could not load module $file", 1);
533             daemon_log("$@", 1);
534             exit;
535                 } else {
536                         my $info = eval($mod_name.'::get_module_info()');
537                         # Only load module if get_module_info() returns a non-null object
538                         if( $info ) {
539                                 my ($input_address, $input_key, $event_hash) = @{$info};
540                                 $known_modules->{$mod_name} = $info;
541                                 daemon_log("0 INFO: module $mod_name loaded", 5);
542                         }
543                 }
544     }   
545     close (DIR);
548 #===  FUNCTION  ================================================================
549 #         NAME:  password_check
550 #   PARAMETERS:  nothing
551 #      RETURNS:  nothing
552 #  DESCRIPTION:  escalates an critical error if two modules exist which are avaialable by 
553 #                the same password
554 #===============================================================================
555 sub password_check {
556     my $passwd_hash = {};
557     while (my ($mod_name, $mod_info) = each %$known_modules) {
558         my $mod_passwd = @$mod_info[1];
559         if (not defined $mod_passwd) { next; }
560         if (not exists $passwd_hash->{$mod_passwd}) {
561             $passwd_hash->{$mod_passwd} = $mod_name;
563         # escalates critical error
564         } else {
565             &daemon_log("0 ERROR: two loaded modules do have the same password. Please modify the 'key'-parameter in config file");
566             &daemon_log("0 ERROR: module='$mod_name' and module='".$passwd_hash->{$mod_passwd}."'");
567             exit( -1 );
568         }
569     }
574 #===  FUNCTION  ================================================================
575 #         NAME:  sig_int_handler
576 #   PARAMETERS:  signal - string - signal arose from system
577 #      RETURNS:  nothing
578 #  DESCRIPTION:  handels tasks to be done befor signal becomes active
579 #===============================================================================
580 sub sig_int_handler {
581     my ($signal) = @_;
583 #       if (defined($ldap_handle)) {
584 #               $ldap_handle->disconnect;
585 #       }
586     # TODO alle verbliebenden ldap verbindungen aus allen heaps beenden
587     
589     daemon_log("shutting down gosa-si-server", 1);
590     system("kill `ps -C gosa-si-server -o pid=`");
592 $SIG{INT} = \&sig_int_handler;
595 sub check_key_and_xml_validity {
596     my ($crypted_msg, $module_key, $session_id) = @_;
597     my $msg;
598     my $msg_hash;
599     my $error_string;
600     eval{
601         $msg = &decrypt_msg($crypted_msg, $module_key);
603         if ($msg =~ /<xml>/i){
604             $msg =~ s/\s+/ /g;  # just for better daemon_log
605             daemon_log("$session_id DEBUG: decrypted_msg: \n$msg", 18);
606             $msg_hash = $xml->XMLin($msg, ForceArray=>1);
608             ##############
609             # check header
610             if( not exists $msg_hash->{'header'} ) { die "no header specified"; }
611             my $header_l = $msg_hash->{'header'};
612             if( (1 > @{$header_l}) || ( ( 'HASH' eq ref @{$header_l}[0]) && (1 > keys %{@{$header_l}[0]}) ) ) { die 'empty header tag'; }
613             if( 1 < @{$header_l} ) { die 'more than one header specified'; }
614             my $header = @{$header_l}[0];
615             if( 0 == length $header) { die 'empty string in header tag'; }
617             ##############
618             # check source
619             if( not exists $msg_hash->{'source'} ) { die "no source specified"; }
620             my $source_l = $msg_hash->{'source'};
621             if( (1 > @{$source_l}) || ( ( 'HASH' eq ref @{$source_l}[0]) && (1 > keys %{@{$source_l}[0]}) ) ) { die 'empty source tag'; }
622             if( 1 < @{$source_l} ) { die 'more than one source specified'; }
623             my $source = @{$source_l}[0];
624             if( 0 == length $source) { die 'source error'; }
626             ##############
627             # check target
628             if( not exists $msg_hash->{'target'} ) { die "no target specified"; }
629             my $target_l = $msg_hash->{'target'};
630             if( (1 > @{$target_l}) || ( ('HASH' eq ref @{$target_l}[0]) && (1 > keys %{@{$target_l}[0]}) ) ) { die 'empty target tag'; }
631         }
632     };
633     if($@) {
634         daemon_log("$session_id ERROR: do not understand the message: $@", 1);
635         $msg = undef;
636         $msg_hash = undef;
637     }
639     return ($msg, $msg_hash);
643 sub check_outgoing_xml_validity {
644     my ($msg, $session_id) = @_;
646     my $msg_hash;
647     eval{
648         $msg_hash = $xml->XMLin($msg, ForceArray=>1);
650         ##############
651         # check header
652         my $header_l = $msg_hash->{'header'};
653         if( 1 != @{$header_l} ) {
654             die 'no or more than one headers specified';
655         }
656         my $header = @{$header_l}[0];
657         if( 0 == length $header) {
658             die 'header has length 0';
659         }
661         ##############
662         # check source
663         my $source_l = $msg_hash->{'source'};
664         if( 1 != @{$source_l} ) {
665             die 'no or more than 1 sources specified';
666         }
667         my $source = @{$source_l}[0];
668         if( 0 == length $source) {
669             die 'source has length 0';
670         }
672                 # Check if source contains hostname instead of ip address
673                 if($source =~ /^[a-z][\w\-\.]+:\d+$/i) {
674                         my ($hostname,$port) = split(/:/, $source);
675                         my $ip_address = inet_ntoa(scalar gethostbyname($hostname));
676                         if(defined($ip_address) && $ip_address =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/ && $port =~ /^\d+$/) {
677                                 # Write ip address to $source variable
678                                 $source = "$ip_address:$port";
679                                 $msg_hash->{source}[0] = $source ;
680                                 $msg =~ s/<source>.*<\/source>/<source>$source<\/source>/; 
681                         }
682                 }
683         unless( $source =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ||
684                 $source =~ /^GOSA$/i) {
685             die "source '$source' is neither a complete ip-address with port nor 'GOSA'";
686         }
687         
688         ##############
689         # check target  
690         my $target_l = $msg_hash->{'target'};
691         if( 0 == @{$target_l} ) {
692             die "no targets specified";
693         }
694         foreach my $target (@$target_l) {
695             if( 0 == length $target) {
696                 die "target has length 0";
697             }
698             unless( $target =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ||
699                     $target =~ /^GOSA$/i ||
700                     $target =~ /^\*$/ ||
701                     $target =~ /KNOWN_SERVER/i ||
702                     $target =~ /JOBDB/i ||
703                     $target =~ /^([0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2})$/i ){
704                 die "target '$target' is not a complete ip-address with port or a valid target name or a mac-address";
705             }
706         }
707     };
708     if($@) {
709         daemon_log("$session_id ERROR: outgoing msg is not gosa-si envelope conform: $@", 1);
710         daemon_log("$@ ".(defined($msg) && length($msg)>0)?$msg:"Empty Message", 1);
711         $msg_hash = undef;
712     }
714     return ($msg, $msg_hash);
718 sub input_from_known_server {
719     my ($input, $remote_ip, $session_id) = @_ ;  
720     my ($msg, $msg_hash, $module);
722     my $sql_statement= "SELECT * FROM known_server";
723     my $query_res = $known_server_db->select_dbentry( $sql_statement ); 
725     while( my ($hit_num, $hit) = each %{ $query_res } ) {    
726         my $host_name = $hit->{hostname};
727         if( not $host_name =~ "^$remote_ip") {
728             next;
729         }
730         my $host_key = $hit->{hostkey};
731         daemon_log("$session_id DEBUG: input_from_known_server: host_name: $host_name", 14);
732         daemon_log("$session_id DEBUG: input_from_known_server: host_key: $host_key", 14);
734         # check if module can open msg envelope with module key
735         my ($tmp_msg, $tmp_msg_hash) = &check_key_and_xml_validity($input, $host_key, $session_id);
736         if( (!$tmp_msg) || (!$tmp_msg_hash) ) {
737             daemon_log("$session_id DEBUG: input_from_known_server: deciphering raise error", 14);
738             daemon_log("$@", 14);
739             next;
740         }
741         else {
742             $msg = $tmp_msg;
743             $msg_hash = $tmp_msg_hash;
744             $module = "ServerPackages";
745             daemon_log("$session_id DEBUG: check_key_and_xml_validity... ok", 14);
746             last;
747         }
748     }
750     if( (!$msg) || (!$msg_hash) || (!$module) ) {
751         daemon_log("$session_id DEBUG: Incoming message is not from a known server", 14);
752     }
753   
754     return ($msg, $msg_hash, $module);
758 sub input_from_known_client {
759     my ($input, $remote_ip, $session_id) = @_ ;  
760     my ($msg, $msg_hash, $module);
762     my $sql_statement= "SELECT * FROM known_clients";
763     my $query_res = $known_clients_db->select_dbentry( $sql_statement ); 
764     while( my ($hit_num, $hit) = each %{ $query_res } ) {    
765         my $host_name = $hit->{hostname};
766         if( not $host_name =~ /^$remote_ip/) {
767                 next;
768                 }
769         my $host_key = $hit->{hostkey};
770         &daemon_log("$session_id DEBUG: input_from_known_client: host_name: $host_name", 14);
771         &daemon_log("$session_id DEBUG: input_from_known_client: host_key: $host_key", 14);
773         # check if module can open msg envelope with module key
774         ($msg, $msg_hash) = &check_key_and_xml_validity($input, $host_key, $session_id);
776         if( (!$msg) || (!$msg_hash) ) {
777             &daemon_log("$session_id DEGUG: input_from_known_client: deciphering raise error", 14);
778             next;
779         }
780         else {
781             $module = "ClientPackages";
782             daemon_log("$session_id DEBUG: check_key_and_xml_validity... ok", 14);
783             last;
784         }
785     }
787     if( (!$msg) || (!$msg_hash) || (!$module) ) {
788         &daemon_log("$session_id DEBUG: Incoming message is not from a known client", 14);
789     }
791     return ($msg, $msg_hash, $module);
795 sub input_from_unknown_host {
796         no strict "refs";
797         my ($input, $session_id) = @_ ;
798         my ($msg, $msg_hash, $module);
799         my $error_string;
801         my %act_modules = %$known_modules;
803         while( my ($mod, $info) = each(%act_modules)) {
805                 # check a key exists for this module
806                 my $module_key = ${$mod."_key"};
807                 if( not defined $module_key ) {
808                         if( $mod eq 'ArpHandler' ) {
809                                 next;
810                         }
811                         daemon_log("$session_id ERROR: no key specified in config file for $mod", 1);
812                         next;
813                 }
814                 daemon_log("$session_id DEBUG: $mod: $module_key", 14);
816                 # check if module can open msg envelope with module key
817                 ($msg, $msg_hash) = &check_key_and_xml_validity($input, $module_key, $session_id);
818                 if( (not defined $msg) || (not defined $msg_hash) ) {
819                         next;
820                 } else {
821                         $module = $mod;
822             daemon_log("$session_id DEBUG: check_key_and_xml_validity... ok", 18);
823                         last;
824                 }
825         }
827         if( (!$msg) || (!$msg_hash) || (!$module)) {
828                 daemon_log("$session_id DEBUG: Incoming message is not from an unknown host", 14);
829         }
831         return ($msg, $msg_hash, $module);
835 sub create_ciphering {
836     my ($passwd) = @_;
837         if((!defined($passwd)) || length($passwd)==0) {
838                 $passwd = "";
839         }
840     $passwd = substr(md5_hex("$passwd") x 32, 0, 32);
841     my $iv = substr(md5_hex('GONICUS GmbH'),0, 16);
842     my $my_cipher = Crypt::Rijndael->new($passwd , Crypt::Rijndael::MODE_CBC());
843     $my_cipher->set_iv($iv);
844     return $my_cipher;
848 sub encrypt_msg {
849     my ($msg, $key) = @_;
850     my $my_cipher = &create_ciphering($key);
851     my $len;
852     {
853             use bytes;
854             $len= 16-length($msg)%16;
855     }
856     $msg = "\0"x($len).$msg;
857     $msg = $my_cipher->encrypt($msg);
858     chomp($msg = &encode_base64($msg));
859     # there are no newlines allowed inside msg
860     $msg=~ s/\n//g;
861     return $msg;
865 sub decrypt_msg {
867     my ($msg, $key) = @_ ;
868     $msg = &decode_base64($msg);
869     my $my_cipher = &create_ciphering($key);
870     $msg = $my_cipher->decrypt($msg); 
871     $msg =~ s/\0*//g;
872     return $msg;
876 sub get_encrypt_key {
877     my ($target) = @_ ;
878     my $encrypt_key;
879     my $error = 0;
881     # target can be in known_server
882     if( not defined $encrypt_key ) {
883         my $sql_statement= "SELECT * FROM known_server WHERE hostname='$target'";
884         my $query_res = $known_server_db->select_dbentry( $sql_statement ); 
885         while( my ($hit_num, $hit) = each %{ $query_res } ) {    
886             my $host_name = $hit->{hostname};
887             if( $host_name ne $target ) {
888                 next;
889             }
890             $encrypt_key = $hit->{hostkey};
891             last;
892         }
893     }
895     # target can be in known_client
896     if( not defined $encrypt_key ) {
897         my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$target'";
898         my $query_res = $known_clients_db->select_dbentry( $sql_statement ); 
899         while( my ($hit_num, $hit) = each %{ $query_res } ) {    
900             my $host_name = $hit->{hostname};
901             if( $host_name ne $target ) {
902                 next;
903             }
904             $encrypt_key = $hit->{hostkey};
905             last;
906         }
907     }
909     return $encrypt_key;
913 #===  FUNCTION  ================================================================
914 #         NAME:  open_socket
915 #   PARAMETERS:  PeerAddr string something like 192.168.1.1 or 192.168.1.1:10000
916 #                [PeerPort] string necessary if port not appended by PeerAddr
917 #      RETURNS:  socket IO::Socket::INET
918 #  DESCRIPTION:  open a socket to PeerAddr
919 #===============================================================================
920 sub open_socket {
921     my ($PeerAddr, $PeerPort) = @_ ;
922     if(defined($PeerPort)){
923         $PeerAddr = $PeerAddr.":".$PeerPort;
924     }
925     my $socket;
926     $socket = new IO::Socket::INET(PeerAddr => $PeerAddr,
927             Porto => "tcp",
928             Type => SOCK_STREAM,
929             Timeout => 5,
930             );
931     if(not defined $socket) {
932         return;
933     }
934 #    &daemon_log("DEBUG: open_socket: $PeerAddr", 7);
935     return $socket;
939 sub send_msg_to_target {
940     my ($msg, $address, $encrypt_key, $msg_header, $session_id) = @_ ;
941     my $error = 0;
942     my $header;
943     my $timestamp = &get_time();
944     my $new_status;
945     my $act_status;
946     my ($sql_statement, $res);
947   
948     if( $msg_header ) {
949         $header = "'$msg_header'-";
950     } else {
951         $header = "";
952     }
954         # Memorize own source address
955         my $own_source_address = &get_local_ip_for_remote_ip(sprintf("%s", $address =~ /^([0-9\.]*?):.*$/));
956         $own_source_address .= ":".$server_port;
958         # Patch 0.0.0.0 source to real address
959         $msg =~ s/<source>(0\.0\.0\.0):(\d*?)<\/source>/<source>$own_source_address<\/source>/s;
960         # Patch GOSA source to real address and add forward_to_gosa tag
961         $msg =~ s/<source>GOSA<\/source>/<source>$own_source_address<\/source> <forward_to_gosa>$own_source_address,$session_id<\/forward_to_gosa>/ ;
963     # encrypt xml msg
964     my $crypted_msg = &encrypt_msg($msg, $encrypt_key);
966     # opensocket
967     my $socket = &open_socket($address);
968     if( !$socket ) {
969         daemon_log("$session_id ERROR: Cannot open socket to host '$address'. Message processing aborted!", 1);
970         $error++;
971     }
972     
973     if( $error == 0 ) {
974         # send xml msg
975         print $socket $crypted_msg.";$own_source_address\n";
976         daemon_log("$session_id INFO: send ".$header."msg to $address", 5);
977         daemon_log("$session_id DEBUG: message:\n$msg", 12);
978         
979     }
981     # close socket in any case
982     if( $socket ) {
983         close $socket;
984     }
986     if( $error > 0 ) { $new_status = "down"; }
987     else { $new_status = $msg_header; }
990     # known_clients
991     $sql_statement = "SELECT * FROM $known_clients_tn WHERE hostname='$address'";
992     $res = $known_clients_db->select_dbentry($sql_statement);
993     if( keys(%$res) == 1) {
994         $act_status = exists $res->{1}->{'status'} ? $res->{1}->{'status'} : "";
995         if ($act_status eq "down" && $new_status eq "down") {
996             $sql_statement = "DELETE FROM known_clients WHERE hostname='$address'";
997             $res = $known_clients_db->del_dbentry($sql_statement);
998             daemon_log("$session_id WARNING: failed 2x to send msg to host '$address', delete host from known_clients", 3);
999         } else { 
1000             $sql_statement = "UPDATE known_clients SET status='$new_status', timestamp='$timestamp' WHERE hostname='$address'";
1001             $res = $known_clients_db->update_dbentry($sql_statement);
1002             if($new_status eq "down"){
1003                 daemon_log("$session_id WARNING: set '$address' from status '$act_status' to '$new_status'", 3);
1004             } else {
1005                 daemon_log("$session_id DEBUG: set '$address' from status '$act_status' to '$new_status'", 138);
1006             }
1007         }
1008     }
1010     # known_server
1011     $sql_statement = "SELECT * FROM $known_server_tn WHERE hostname='$address'";
1012     $res = $known_server_db->select_dbentry($sql_statement);
1013     if( keys(%$res) == 1) {
1014         $act_status = exists $res->{1}->{'status'} ? $res->{1}->{'status'} : "";
1015         if ($act_status eq "down" && $new_status eq "down") {
1016             $sql_statement = "DELETE FROM known_server WHERE hostname='$address'";
1017             $res = $known_server_db->del_dbentry($sql_statement);
1018             daemon_log("$session_id WARNING: failed 2x to send a message to host '$address', delete host from known_server", 3);
1019         } 
1020         else { 
1021             $sql_statement = "UPDATE known_server SET status='$new_status', timestamp='$timestamp' WHERE hostname='$address'";
1022             $res = $known_server_db->update_dbentry($sql_statement);
1023             if($new_status eq "down"){
1024                 daemon_log("$session_id WARNING: set '$address' from status '$act_status' to '$new_status'", 3);
1025             } else {
1026                 daemon_log("$session_id DEBUG: set '$address' from status '$act_status' to '$new_status'", 138);
1027             }
1028         }
1029     }
1030     return $error; 
1034 sub update_jobdb_status_for_send_msgs {
1035     my ($session_id, $answer, $error) = @_;
1036     if( $answer =~ /<jobdb_id>(\d+)<\/jobdb_id>/ ) {
1037                 &daemon_log("$session_id DEBUG: try to update job status", 138); 
1038         my $jobdb_id = $1;
1039     
1040         $answer =~ /<header>(.*)<\/header>/;
1041         my $job_header = $1;
1043         $answer =~ /<target>(.*)<\/target>/;
1044         my $job_target = $1;
1045             
1046         # Sending msg failed
1047         if( $error ) {
1049             # Set jobs to done, jobs do not need to deliver their message in any case
1050             if (($job_header eq "trigger_action_localboot")
1051                     ||($job_header eq "trigger_action_lock")
1052                     ||($job_header eq "trigger_action_halt") 
1053                     ) {
1054                 my $sql_statement = "UPDATE $job_queue_tn SET status='done' WHERE id=$jobdb_id";
1055                 my $res = $job_db->update_dbentry($sql_statement);
1056                 
1057             # Reactivate jobs, jobs need to deliver their message
1058             } elsif (($job_header eq "trigger_action_activate")
1059                     ||($job_header eq "trigger_action_update")
1060                     ||($job_header eq "trigger_action_reinstall") 
1061                     ||($job_header eq "trigger_activate_new")
1062                     ) {
1063                                                 if ($job_target =~ /^([0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2})$/i) {
1064                                                         &reactivate_job_with_delay($session_id, $job_target, $job_header, 30 );
1065                                                 } else {
1066                                                         # If we don't have the mac adress at this time, we use the plainname
1067                                                         my $plainname_result = $job_db->select_dbentry("SELECT plainname from jobs where id=$jobdb_id");
1068                                                         my $plainname = $job_target;
1069                                                         if ((keys(%$plainname_result) > 0) ) {
1070                                                                 $plainname = $plainname_result->{1}->{$job_target};
1071                                                         }
1072                                                         &reactivate_job_with_delay($session_id, $plainname, $job_header, 30 );
1073                                                 }
1074             # For all other messages
1075             } else {
1076                 my $sql_statement = "UPDATE $job_queue_tn ".
1077                     "SET status='error', result='can not deliver msg, please consult log file' ".
1078                     "WHERE id=$jobdb_id";
1079                 my $res = $job_db->update_dbentry($sql_statement);
1080             }
1082         # Sending msg was successful
1083         } else {
1084             # Set jobs localboot, lock, activate, halt, reboot and wake to done
1085             # jobs reinstall, update, inst_update do themself setting to done
1086             if (($job_header eq "trigger_action_localboot")
1087                     ||($job_header eq "trigger_action_lock")
1088                     ||($job_header eq "trigger_action_activate")
1089                     ||($job_header eq "trigger_action_halt") 
1090                     ||($job_header eq "trigger_action_reboot")
1091                     ||($job_header eq "trigger_action_wake")
1092                     ||($job_header eq "trigger_wake")
1093                     ) {
1095                 my $sql_statement = "UPDATE $job_queue_tn ".
1096                     "SET status='done' ".
1097                     "WHERE id=$jobdb_id AND status='processed'";
1098                 my $res = $job_db->update_dbentry($sql_statement);
1099             } else { 
1100                 &daemon_log("$session_id DEBUG: sending message succeed but cannot update job status.", 138); 
1101             } 
1102         } 
1103     } else { 
1104         &daemon_log("$session_id DEBUG: cannot update job status, msg has no jobdb_id-tag.", 138); 
1105     }
1108 sub reactivate_job_with_delay {
1109     my ($session_id, $target, $header, $delay) = @_ ;
1110     # Sometimes the client is still booting or does not wake up, in this case reactivate the job (if it exists) with a delay of n sec
1111     
1112     if (not defined $delay) { $delay = 30 } ;
1113     my $delay_timestamp = &calc_timestamp(&get_time(), "plus", $delay);
1115     my $sql = "UPDATE $job_queue_tn Set timestamp='$delay_timestamp', status='waiting' WHERE (macaddress LIKE '$target' OR plainname LIKE '$target') AND headertag='$header'"; 
1116     my $res = $job_db->update_dbentry($sql);
1117     daemon_log("$session_id INFO: '$header'-job will be reactivated at '$delay_timestamp' ".
1118             "cause client '$target' is currently not available", 5);
1119     return;
1123 sub sig_handler {
1124         my ($kernel, $signal) = @_[KERNEL, ARG0] ;
1125         daemon_log("0 INFO got signal '$signal'", 1); 
1126         $kernel->sig_handled();
1127         return;
1131 sub msg_to_decrypt {
1132         my ($kernel, $session, $heap) = @_[KERNEL, SESSION, HEAP];
1133         my $session_id = $session->ID;
1134         my ($msg, $msg_hash, $module);
1135         my $error = 0;
1137         # fetch new msg out of @msgs_to_decrypt
1138         my $tmp_next_msg = shift @msgs_to_decrypt;
1139     my ($next_msg, $msg_source) = split(/;/, $tmp_next_msg);
1141         # msg is from a new client or gosa
1142         ($msg, $msg_hash, $module) = &input_from_unknown_host($next_msg, $session_id);
1144         # msg is from a gosa-si-server
1145         if(((!$msg) || (!$msg_hash) || (!$module)) && ($serverPackages_enabled eq "true")){
1146                 if (not defined $msg_source) 
1147                 {
1148                         # Only needed, to be compatible with older gosa-si-server versions
1149                         ($msg, $msg_hash, $module) = &input_from_known_server($next_msg, $heap->{'remote_ip'}, $session_id);
1150                 }
1151                 else
1152                 {
1153                         ($msg, $msg_hash, $module) = &input_from_known_server($next_msg, $msg_source, $session_id);
1154                 }
1155         }
1156         # msg is from a gosa-si-client
1157         if(( !$msg ) || ( !$msg_hash ) || ( !$module )){
1158                 if (not defined $msg_source) 
1159                 {
1160                         # Only needed, to be compatible with older gosa-si-server versions
1161                         ($msg, $msg_hash, $module) = &input_from_known_client($next_msg, $heap->{'remote_ip'}, $session_id);
1162                 }
1163                 else
1164                 {
1165                         ($msg, $msg_hash, $module) = &input_from_known_client($next_msg, $msg_source, $session_id);
1166                 }
1167         }
1168         # an error occurred
1169         if(( !$msg ) || ( !$msg_hash ) || ( !$module )){
1170                 # If an incoming msg could not be decrypted (maybe a wrong key), decide if msg comes from a client 
1171                 # or a server.  In case of a client, send a ping. If the client could not understand a msg from its 
1172                 # server the client cause a re-registering process. In case of a server, decrease update_time in kown_server_db
1173                 # and trigger a re-registering process for servers
1174                 if (defined $msg_source && $msg_source =~ /:$server_port$/ && $serverPackages_enabled eq "true")
1175                 {
1176                         daemon_log("$session_id WARNING: Cannot understand incoming msg from server '$msg_source'. Cause re-registration process for servers.", 3);
1177                         my $update_statement = "UPDATE $known_server_tn SET update_time='19700101000000' WHERE hostname='$msg_source'"; 
1178                         daemon_log("$session_id DEBUG: $update_statement", 7);
1179                         my $upadte_res = $known_server_db->exec_statement($update_statement);
1180                         $kernel->yield("register_at_foreign_servers");
1181                 }
1182                 elsif ((defined $msg_source) && (not $msg_source =~ /:$server_port$/))
1183                 {
1184                         daemon_log("$session_id WARNING: Cannot understand incoming msg from client '$msg_source'. Send ping-msg to cause a re-registering of the client if necessary", 3);
1185                         #my $remote_ip = $heap->{'remote_ip'};
1186                         #my $remote_port = $heap->{'remote_port'};
1187                         my $ping_msg = "<xml> <header>gosa_ping</header> <source>$server_address</source><target>$msg_source</target></xml>";
1188                         my ($test_error, $test_error_string) = &send_msg_to_target($ping_msg, "$msg_source", "dummy-key", "gosa_ping", $session_id);
1189                         daemon_log("$session_id WARNING: Sending msg to cause re-registering: $ping_msg", 3);
1190                 }
1191                 else
1192                 {
1193                         my $foreign_host = defined $msg_source ? $msg_source : $heap->{'remote_ip'};
1194                         daemon_log("$session_id ERROR: Incoming message from host '$foreign_host' cannot be understood. Processing aborted!", 1);
1195                         daemon_log("$session_id DEBUG: Aborted message: $tmp_next_msg", 11);
1196                 }
1198                 $error++
1199         }
1202         my $header;
1203         my $target;
1204         my $source;
1205         my $done = 0;
1206         my $sql;
1207         my $res;
1209         # check whether this message should be processed here
1210         if ($error == 0) {
1211                 $header = @{$msg_hash->{'header'}}[0];
1212                 $target = @{$msg_hash->{'target'}}[0];
1213                 $source = @{$msg_hash->{'source'}}[0];
1214                 my $not_found_in_known_clients_db = 0;
1215                 my $not_found_in_known_server_db = 0;
1216                 my $not_found_in_foreign_clients_db = 0;
1217                 my $local_address;
1218                 my $local_mac;
1219                 my ($target_ip, $target_port) = split(':', $target);
1221                 # Determine the local ip address if target is an ip address
1222                 if ($target =~ /^\d+\.\d+\.\d+\.\d+:\d+$/) {
1223                         $local_address = &get_local_ip_for_remote_ip($target_ip).":$server_port";
1224                 } else {
1225                         $local_address = $server_address;
1226                 }
1228                 # Determine the local mac address if target is a mac address
1229                 if ($target =~ /^([0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2})$/i) {
1230                         my $loc_ip = &get_local_ip_for_remote_ip($heap->{'remote_ip'});
1231                         my $network_interface= &get_interface_for_ip($loc_ip);
1232                         $local_mac = &get_mac_for_interface($network_interface);
1233                 } else {
1234                         $local_mac = $server_mac_address;
1235                 }
1237                 # target and source is equal to GOSA -> process here
1238                 if (not $done) {
1239                         if ($target eq "GOSA" && $source eq "GOSA") {
1240                                 $done = 1;                    
1241                                 &daemon_log("$session_id DEBUG: target and source is 'GOSA' -> process '$header' here", 11);
1242                         }
1243                 }
1245                 # target is own address without forward_to_gosa-tag -> process here
1246                 if (not $done) {
1247                         #if ((($target eq $local_address) || ($target eq $local_mac) ) && (not exists $msg_hash->{'forward_to_gosa'})) {
1248                         if (($target eq $local_address) && (not exists $msg_hash->{'forward_to_gosa'})) {
1249                                 $done = 1;
1250                                 if ($source eq "GOSA") {
1251                                         $msg =~ s/<\/xml>/<forward_to_gosa>$local_address,$session_id<\/forward_to_gosa><\/xml>/;
1252                                 }
1253                                 &daemon_log("$session_id DEBUG: target is own address without forward_to_gosa-tag -> process '$header' here", 11);
1254                         }
1255                 }
1257                 # target is own address with forward_to_gosa-tag not pointing to myself -> process here
1258                 if (not $done) {
1259                         my $forward_to_gosa =  @{$msg_hash->{'forward_to_gosa'}}[0];
1260                         my $gosa_at;
1261                         my $gosa_session_id;
1262                         if (($target eq $local_address) && (defined $forward_to_gosa)){
1263                                 my ($gosa_at, $gosa_session_id) = split(/,/, $forward_to_gosa);
1264                                 if ($gosa_at ne $local_address) {
1265                                         $done = 1;
1266                                         &daemon_log("$session_id DEBUG: target is own address with forward_to_gosa-tag not pointing to myself -> process '$header' here", 11); 
1267                                 }
1268                         }
1269                 }
1271                 # Target is a client address and there is a processing function within a plugin -> process loaclly
1272                 if (not $done)
1273                 {
1274                         # Check if target is a client address
1275                         $sql = "SELECT * FROM $known_clients_tn WHERE (hostname='$target' OR macaddress LIKE '$target')"; 
1276                         $res = $known_clients_db->select_dbentry($sql);
1277                         if ((keys(%$res) > 0) ) 
1278                         {
1279                                 my $hostname = $res->{1}->{'hostname'};
1280                                 my $reduced_header = $header;
1281                                 $reduced_header =~ s/gosa_//;
1282                                 # Check if there is a processing function within a plugin
1283                                 if (exists $known_functions->{$reduced_header}) 
1284                                 {
1285                                         $msg =~ s/<target>\S*<\/target>/<target>$hostname<\/target>/;
1286                                         $done = 1;
1287                                         &daemon_log("$session_id DEBUG: Target is client address with processing function within a plugin -> process '$header' here", 11);
1288                                 }
1289                         }
1290                 }
1292                 # If header has a 'job_' prefix, do always process message locally
1293                 # which means put it into job queue
1294                 if ((not $done) && ($header =~ /job_/))
1295                 {
1296                         $done = 1;
1297                         &daemon_log("$session_id DEBUG: Header has a 'job_' prefix. Put it into job queue. -> process '$header' here", 11);
1298                 }
1300                 # if message should be processed here -> add message to incoming_db
1301                 if ($done) {
1302                         # if a 'job_' or a 'gosa_' message comes from a foreign server, fake module from
1303                         # ServerPackages to GosaPackages so gosa-si-server knows how to process this kind of messages
1304                         if ($header =~ /^gosa_/ || $header =~ /^job_/) {
1305                                 $module = "GosaPackages";
1306                         }
1308                         my $res = $incoming_db->add_dbentry( {table=>$incoming_tn,
1309                                         primkey=>[],
1310                                         headertag=>$header,
1311                                         targettag=>$target,
1312                                         xmlmessage=>&encode_base64($msg),
1313                                         timestamp=>&get_time,
1314                                         module=>$module,
1315                                         sessionid=>$session_id,
1316                                 } );
1317                         $kernel->yield('watch_for_next_tasks');
1318                 }
1320                 # target is own address with forward_to_gosa-tag pointing at myself -> forward to gosa
1321                 if (not $done) {
1322                         my $forward_to_gosa =  @{$msg_hash->{'forward_to_gosa'}}[0];
1323                         my $gosa_at;
1324                         my $gosa_session_id;
1325                         if (($target eq $local_address) && (defined $forward_to_gosa)){
1326                                 my ($gosa_at, $gosa_session_id) = split(/,/, $forward_to_gosa);
1327                                 if ($gosa_at eq $local_address) {
1328                                         my $session_reference = $kernel->ID_id_to_session($gosa_session_id);
1329                                         if( defined $session_reference ) {
1330                                                 $heap = $session_reference->get_heap();
1331                                         }
1332                                         if(exists $heap->{'client'}) {
1333                                                 $msg = &encrypt_msg($msg, $GosaPackages_key);
1334                                                 $heap->{'client'}->put($msg);
1335                                                 &daemon_log("$session_id DEBUG: incoming '$header' message forwarded to GOsa", 11); 
1336                                         }
1337                                         $done = 1;
1338                                         &daemon_log("$session_id DEBUG: target is own address with forward_to_gosa-tag pointing at myself -> forward '$header' to gosa", 11);
1339                                 }
1340                         }
1342                 }
1344                 # target is a client address in known_clients -> forward to client
1345                 if (not $done) {
1346                         $sql = "SELECT * FROM $known_clients_tn WHERE (hostname='$target' OR macaddress LIKE '$target')"; 
1347                         $res = $known_clients_db->select_dbentry($sql);
1348                         if (keys(%$res) > 0) 
1349                         {
1350                                 $done = 1; 
1351                                 &daemon_log("$session_id DEBUG: target is a client address in known_clients -> forward '$header' to client", 11);
1352                                 my $hostkey = $res->{1}->{'hostkey'};
1353                                 my $hostname = $res->{1}->{'hostname'};
1354                                 $msg =~ s/<target>\S*<\/target>/<target>$hostname<\/target>/;
1355                                 $msg =~ s/<header>gosa_/<header>/;
1356                                 my $error= &send_msg_to_target($msg, $hostname, $hostkey, $header, $session_id);
1357                                 if ($error) {
1358                                         &daemon_log("$session_id ERROR: Some problems occurred while trying to send msg to client '$hostname': $msg", 1);
1359                                 }
1360                         } 
1361                         else 
1362                         {
1363                                 $not_found_in_known_clients_db = 1;
1364                         }
1365                 }
1367                 # target is a client address in foreign_clients -> forward to registration server
1368                 if (not $done) {
1369                         $sql = "SELECT * FROM $foreign_clients_tn WHERE (hostname='$target' OR macaddress LIKE '$target')";
1370                         $res = $foreign_clients_db->select_dbentry($sql);
1371                         if (keys(%$res) > 0) {
1372                                 my $hostname = $res->{1}->{'hostname'};
1373                                 my ($host_ip, $host_port) = split(/:/, $hostname);
1374                                 my $local_address =  &get_local_ip_for_remote_ip($host_ip).":$server_port";
1375                                 my $regserver = $res->{1}->{'regserver'};
1376                                 my $sql = "SELECT * FROM $known_server_tn WHERE hostname='$regserver'"; 
1377                                 my $res = $known_server_db->select_dbentry($sql);
1378                                 if (keys(%$res) > 0) {
1379                                         my $regserver_key = $res->{1}->{'hostkey'};
1380                                         $msg =~ s/<source>GOSA<\/source>/<source>$local_address<\/source>/;
1381                                         $msg =~ s/<target>$target<\/target>/<target>$hostname<\/target>/;
1382                                         if ($source eq "GOSA") {
1383                                                 $msg =~ s/<\/xml>/<forward_to_gosa>$local_address,$session_id<\/forward_to_gosa><\/xml>/;
1384                                         }
1385                                         my $error= &send_msg_to_target($msg, $regserver, $regserver_key, $header, $session_id);
1386                                         if ($error) {
1387                                                 &daemon_log("$session_id ERROR: some problems occurred while trying to send msg to registration server: $msg", 1); 
1388                                         }
1389                                 }
1390                                 $done = 1;
1391                                 &daemon_log("$session_id DEBUG: target is a client address in foreign_clients -> forward '$header' to registration server", 11);
1392                         } else {
1393                                 $not_found_in_foreign_clients_db = 1;
1394                         }
1395                 }
1397                 # target is a server address -> forward to server
1398                 if (not $done) {
1399                         $sql = "SELECT * FROM $known_server_tn WHERE (hostname='$target' OR macaddress LIKE '$target')";
1400                         $res = $known_server_db->select_dbentry($sql);
1401                         if (keys(%$res) > 0) {
1402                                 my $hostkey = $res->{1}->{'hostkey'};
1404                                 if ($source eq "GOSA") {
1405                                         $msg =~ s/<source>GOSA<\/source>/<source>$local_address<\/source>/;
1406                                         $msg =~ s/<\/xml>/<forward_to_gosa>$local_address,$session_id<\/forward_to_gosa><\/xml>/;
1408                                 }
1410                                 &send_msg_to_target($msg, $target, $hostkey, $header, $session_id);
1411                                 $done = 1;
1412                                 &daemon_log("$session_id DEBUG: target is a server address -> forward '$header' to server", 11);
1413                         } else {
1414                                 $not_found_in_known_server_db = 1;
1415                         }
1416                 }
1419                 # target is not in foreign_clients_db, known_server_db or known_clients_db, maybe it is a complete new one -> process here
1420                 if ( $not_found_in_foreign_clients_db 
1421                         && $not_found_in_known_server_db
1422                         && $not_found_in_known_clients_db) {
1423                         &daemon_log("$session_id DEBUG: target is not in foreign_clients_db, known_server_db or known_clients_db, maybe it is a complete new one -> process '$header' here", 11);
1424             if ($header =~ /^gosa_/ || $header =~ /^job_/) { 
1425                 $module = "GosaPackages"; 
1426             }
1427                         my $res = $incoming_db->add_dbentry( {table=>$incoming_tn,
1428                                         primkey=>[],
1429                                         headertag=>$header,
1430                                         targettag=>$target,
1431                                         xmlmessage=>&encode_base64($msg),
1432                                         timestamp=>&get_time,
1433                                         module=>$module,
1434                                         sessionid=>$session_id,
1435                                 } );
1436                         $done = 1;
1437                         $kernel->yield('watch_for_next_tasks');
1438                 }
1441                 if (not $done) {
1442                         daemon_log("$session_id ERROR: do not know what to do with this message: $msg", 1);
1443                         if ($source eq "GOSA") {
1444                                 my %data = ('error_msg' => &encode_base64($msg), 'error_string' => "Do not know what to do with this message!");
1445                                 my $error_msg = &build_msg("error", $local_address, "GOSA", \%data ); 
1447                                 my $session_reference = $kernel->ID_id_to_session($session_id);
1448                                 if( defined $session_reference ) {
1449                                         $heap = $session_reference->get_heap();
1450                                 }
1451                                 if(exists $heap->{'client'}) {
1452                                         $error_msg = &encrypt_msg($error_msg, $GosaPackages_key);
1453                                         $heap->{'client'}->put($error_msg);
1454                                 }
1455                         }
1456                 }
1458         }
1460         return;
1464 sub next_task {
1465     my ($session, $heap, $task) = @_[SESSION, HEAP, ARG0, ARG1];
1466     my $running_task = POE::Wheel::Run->new(
1467             Program => sub { process_task($session, $heap, $task) },
1468             StdioFilter => POE::Filter::Reference->new(),
1469             StdoutEvent  => "task_result",
1470             StderrEvent  => "task_debug",
1471             CloseEvent   => "task_done",
1472             );
1473     $heap->{task}->{ $running_task->ID } = $running_task;
1476 sub handle_task_result {
1477     my ($kernel, $heap, $result) = @_[KERNEL, HEAP, ARG0];
1478     my $client_answer = $result->{'answer'};
1479     if( $client_answer =~ s/session_id=(\d+)$// ) {
1480         my $session_id = $1;
1481         if( defined $session_id ) {
1482             my $session_reference = $kernel->ID_id_to_session($session_id);
1483             if( defined $session_reference ) {
1484                 $heap = $session_reference->get_heap();
1485             }
1486         }
1488         if(exists $heap->{'client'}) {
1489             $heap->{'client'}->put($client_answer);
1490         }
1491     }
1492     $kernel->sig(CHLD => "child_reap");
1495 sub handle_task_debug {
1496     my $result = $_[ARG0];
1497     print STDERR "$result\n";
1500 sub handle_task_done {
1501     my ( $kernel, $heap, $task_id ) = @_[ KERNEL, HEAP, ARG0 ];
1502     delete $heap->{task}->{$task_id};
1503         if (exists $heap->{ldap_handle}->{$task_id}) {
1504                 &release_ldap_handle($heap->{ldap_handle}->{$task_id});
1505         }
1508 sub process_task {
1509     no strict "refs";
1510     #CHECK: Not @_[...]?
1511     my ($session, $heap, $task) = @_;
1512     my $error = 0;
1513     my $answer_l;
1514     my ($answer_header, @answer_target_l, $answer_source);
1515     my $client_answer = "";
1517     # prepare all variables needed to process message
1518     #my $msg = $task->{'xmlmessage'};
1519     my $msg = &decode_base64($task->{'xmlmessage'});
1520     my $incoming_id = $task->{'id'};
1521     my $module = $task->{'module'};
1522     my $header =  $task->{'headertag'};
1523     my $session_id = $task->{'sessionid'};
1524                 my $msg_hash;
1525                 eval {
1526         $msg_hash = $xml->XMLin($msg, ForceArray=>1);
1527                 }; 
1528                 daemon_log("ERROR: XML failure '$@'") if ($@);
1529     my $source = @{$msg_hash->{'source'}}[0];
1530     
1531     # set timestamp of incoming client uptodate, so client will not 
1532     # be deleted from known_clients because of expiration
1533     my $cur_time = &get_time();
1534     my $sql = "UPDATE $known_clients_tn SET timestamp='$cur_time' WHERE hostname='$source'"; 
1535     my $res = $known_clients_db->exec_statement($sql);
1537     ######################
1538     # process incoming msg
1539     if( $error == 0) {
1540         daemon_log("$session_id INFO: Incoming msg (session_id=$session_id) with header '".@{$msg_hash->{'header'}}[0]."'", 5); 
1541         daemon_log("$session_id DEBUG: Processing module ".$module, 26);
1542         $answer_l = &{ $module."::process_incoming_msg" }($msg, $msg_hash, $session_id);
1544         if ( 0 < @{$answer_l} ) {
1545             my $answer_str = join("\n", @{$answer_l});
1546                         my @headers; 
1547             while ($answer_str =~ /<header>(\w+)<\/header>/g) {
1548                                 push(@headers, $1);
1549             }
1550                         daemon_log("$session_id DEBUG: got answer message(s) with header: '".join("', '", @headers)."'", 26);
1551         } else {
1552             daemon_log("$session_id DEBUG: $module: got no answer from module!" ,26);
1553         }
1555     }
1556     if( !$answer_l ) { $error++ };
1558     ########
1559     # answer
1560     if( $error == 0 ) {
1562         foreach my $answer ( @{$answer_l} ) {
1563             # check outgoing msg to xml validity
1564             my ($answer, $answer_hash) = &check_outgoing_xml_validity($answer, $session_id);
1565             if( not defined $answer_hash ) { next; }
1566             
1567             $answer_header = @{$answer_hash->{'header'}}[0];
1568             @answer_target_l = @{$answer_hash->{'target'}};
1569             $answer_source = @{$answer_hash->{'source'}}[0];
1571             # deliver msg to all targets 
1572             foreach my $answer_target ( @answer_target_l ) {
1574                 # targets of msg are all gosa-si-clients in known_clients_db
1575                 if( $answer_target eq "*" ) {
1576                     # answer is for all clients
1577                     my $sql_statement= "SELECT * FROM known_clients";
1578                     my $query_res = $known_clients_db->select_dbentry( $sql_statement ); 
1579                     while( my ($hit_num, $hit) = each %{ $query_res } ) {    
1580                         my $host_name = $hit->{hostname};
1581                         my $host_key = $hit->{hostkey};
1582                         my $error = &send_msg_to_target($answer, $host_name, $host_key, $answer_header, $session_id);
1583                         &update_jobdb_status_for_send_msgs($session_id, $answer, $error);
1584                     }
1585                 }
1587                 # targets of msg are all gosa-si-server in known_server_db
1588                 elsif( $answer_target eq "KNOWN_SERVER" ) {
1589                     # answer is for all server in known_server
1590                     my $sql_statement= "SELECT * FROM $known_server_tn";
1591                     my $query_res = $known_server_db->select_dbentry( $sql_statement ); 
1592                     while( my ($hit_num, $hit) = each %{ $query_res } ) {    
1593                         my $host_name = $hit->{hostname};
1594                         my $host_key = $hit->{hostkey};
1595                         $answer =~ s/<target>\S+<\/target>/<target>$host_name<\/target>/g;
1596                         my $error = &send_msg_to_target($answer, $host_name, $host_key, $answer_header, $session_id);
1597                         &update_jobdb_status_for_send_msgs($session_id, $answer, $error);
1598                     }
1599                 }
1601                 # target of msg is GOsa
1602                                 elsif( $answer_target eq "GOSA" ) {
1603                                         my $session_id = ($1) if $answer =~ /<session_id>(\d+?)<\/session_id>/;
1604                                         my $add_on = "";
1605                     if( defined $session_id ) {
1606                         $add_on = ".session_id=$session_id";
1607                     }
1608                                         my $header = ($1) if $answer =~ /<header>(\S*)<\/header>/;
1609                                         daemon_log("$session_id INFO: send ".$header." message to GOsa", 5);
1610                                         daemon_log("$session_id DEBUG: message:\n$answer", 12);
1611                     # answer is for GOSA and has to returned to connected client
1612                     my $gosa_answer = &encrypt_msg($answer, $GosaPackages_key);
1613                     $client_answer = $gosa_answer.$add_on;
1614                 }
1616                 # target of msg is job queue at this host
1617                 elsif( $answer_target eq "JOBDB") {
1618                     $answer =~ /<header>(\S+)<\/header>/;   
1619                     my $header;
1620                     if( defined $1 ) { $header = $1; }
1621                     my $error = &send_msg_to_target($answer, $server_address, $GosaPackages_key, $header, $session_id);
1622                     &update_jobdb_status_for_send_msgs($session_id, $answer, $error);
1623                 }
1625                 # Target of msg is a mac address
1626                 elsif( $answer_target =~ /^([0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2})$/i ) {
1627                     daemon_log("$session_id DEBUG: target is mac address '$answer_target', looking for host in known_clients and foreign_clients", 138);
1629                     # Looking for macaddress in known_clients
1630                     my $sql_statement = "SELECT * FROM known_clients WHERE macaddress LIKE '$answer_target'";
1631                     my $query_res = $known_clients_db->select_dbentry( $sql_statement );
1632                     my $found_ip_flag = 0;
1633                     while( my ($hit_num, $hit) = each %{ $query_res } ) {    
1634                         my $host_name = $hit->{hostname};
1635                         my $host_key = $hit->{hostkey};
1636                         $answer =~ s/$answer_target/$host_name/g;
1637                         daemon_log("$session_id INFO: found host '$host_name', associated to '$answer_target'", 5);
1638                         my $error = &send_msg_to_target($answer, $host_name, $host_key, $answer_header, $session_id);
1639                         &update_jobdb_status_for_send_msgs($session_id, $answer, $error);
1640                         $found_ip_flag++ ;
1641                     }   
1643                     # Looking for macaddress in foreign_clients
1644                     if ($found_ip_flag == 0) {
1645                         my $sql = "SELECT * FROM $foreign_clients_tn WHERE macaddress LIKE '$answer_target'";
1646                         my $res = $foreign_clients_db->select_dbentry($sql);
1647                         while( my ($hit_num, $hit) = each %{ $res } ) {
1648                             my $host_name = $hit->{hostname};
1649                             my $reg_server = $hit->{regserver};
1650                             daemon_log("$session_id INFO: found host '$host_name' with mac '$answer_target', registered at '$reg_server'", 5);
1651                             
1652                             # Fetch key for reg_server
1653                             my $reg_server_key;
1654                             my $sql = "SELECT * FROM $known_server_tn WHERE hostname='$reg_server'";
1655                             my $res = $known_server_db->select_dbentry($sql);
1656                             if (exists $res->{1}) {
1657                                 $reg_server_key = $res->{1}->{'hostkey'}; 
1658                             } else {
1659                                 daemon_log("$session_id ERROR: cannot find hostkey for '$host_name' in '$known_server_tn'", 1); 
1660                                 daemon_log("$session_id ERROR: unable to forward answer to correct registration server, processing is aborted!", 1); 
1661                                 $reg_server_key = undef;
1662                             }
1664                             # Send answer to server where client is registered
1665                             if (defined $reg_server_key) {
1666                                 $answer =~ s/$answer_target/$host_name/g;
1667                                 my $error = &send_msg_to_target($answer, $reg_server, $reg_server_key, $answer_header, $session_id);
1668                                 &update_jobdb_status_for_send_msgs($session_id, $answer, $error);
1669                                 $found_ip_flag++ ;
1670                             }
1671                         }
1672                     }
1674                     # No mac to ip matching found
1675                     if( $found_ip_flag == 0) {
1676                         daemon_log("$session_id WARNING: no host found in known_clients or foreign_clients with mac address '$answer_target'", 3);
1677                         &reactivate_job_with_delay($session_id, $answer_target, $answer_header, 30);
1678                     }
1680                 # Answer is for one specific host   
1681                 } else {
1682                     # get encrypt_key
1683                     my $encrypt_key = &get_encrypt_key($answer_target);
1684                     if( not defined $encrypt_key ) {
1685                         # unknown target
1686                         daemon_log("$session_id WARNING: unknown target '$answer_target'", 3);
1687                         next;
1688                     }
1689                     my $error = &send_msg_to_target($answer, $answer_target, $encrypt_key, $answer_header,$session_id);
1690                     &update_jobdb_status_for_send_msgs($session_id, $answer, $error);
1691                 }
1692             }
1693         }
1694     }
1696     my $filter = POE::Filter::Reference->new();
1697     my %result = ( 
1698             status => "seems ok to me",
1699             answer => $client_answer,
1700             );
1702     my $output = $filter->put( [ \%result ] );
1703     print @$output;
1708 sub session_start {
1709     my ($kernel) = $_[KERNEL];
1710     $global_kernel = $kernel;
1711     $kernel->yield('register_at_foreign_servers');
1712         $kernel->yield('create_fai_server_db', $fai_server_tn );
1713         $kernel->yield('create_fai_release_db', $fai_release_tn );
1714         $kernel->sig(USR1 => "sig_handler");
1715         $kernel->sig(USR2 => "recreate_packages_db");
1716         $kernel->delay_set('watch_for_new_jobs', $job_queue_loop_delay);
1717         $kernel->delay_set('watch_for_done_jobs', $job_queue_loop_delay); 
1718     $kernel->delay_set('watch_for_modified_jobs', $modified_jobs_loop_delay); 
1719         $kernel->delay_set('watch_for_new_messages', $messaging_db_loop_delay);
1720     $kernel->delay_set('watch_for_delivery_messages', $messaging_db_loop_delay);
1721         $kernel->delay_set('watch_for_done_messages', $messaging_db_loop_delay);
1722     $kernel->delay_set('watch_for_old_known_clients', $job_queue_loop_delay);
1724     # Start opsi check
1725     if ($opsi_enabled eq "true") {
1726         $kernel->delay_set('watch_for_opsi_jobs', $job_queue_opsi_delay); 
1727     }
1732 sub watch_for_done_jobs {
1733         my $kernel = $_[KERNEL];
1735         my $sql_statement = "SELECT * FROM ".$job_queue_tn." WHERE ((status='done') AND (modified='0'))";
1736         my $res = $job_db->select_dbentry( $sql_statement );
1738         while( my ($number, $hit) = each %{$res} ) 
1739         {
1740                 # Non periodical jobs can be deleted.
1741                 if ($hit->{periodic} eq "none")
1742                 {
1743                         my $jobdb_id = $hit->{id};
1744                         my $sql_statement = "DELETE FROM $job_queue_tn WHERE id=$jobdb_id"; 
1745                         my $res = $job_db->del_dbentry($sql_statement); 
1746                 }
1748                 # Periodical jobs should not be deleted but reactivated with new timestamp instead.
1749                 else
1750                 {
1751                         my ($p_time, $periodic) = split("_", $hit->{periodic});
1752                         my $reactivated_ts = $hit->{timestamp};
1753                         my $act_ts = int(&get_time());
1754                         while ($act_ts > int($reactivated_ts))   # Redo calculation to avoid multiple jobs in the past
1755                         {
1756                                 $reactivated_ts = &calc_timestamp($reactivated_ts, "plus", $p_time, $periodic);
1757                         }
1758                         my $sql = "UPDATE $job_queue_tn SET status='waiting', timestamp='$reactivated_ts' WHERE id='".$hit->{id}."'"; 
1759                         my $res = $job_db->exec_statement($sql);
1760                         &daemon_log("J INFO: Update periodical job '".$hit->{headertag}."' for client '".$hit->{targettag}."'. New execution time '$reactivated_ts'.", 5);
1761                 }
1762         }
1764         $kernel->delay_set('watch_for_done_jobs',$job_queue_loop_delay);
1768 sub watch_for_opsi_jobs {
1769     my ($kernel) = $_[KERNEL];
1770     # This is not very nice to look for opsi install jobs, but headertag has to be trigger_action_reinstall. The only way to identify a 
1771     # opsi install job is to parse the xml message. There is still the correct header.
1772     my $sql_statement = "SELECT * FROM ".$job_queue_tn." WHERE ((xmlmessage LIKE '%opsi_install_client</header>%') AND (status='processing') AND (siserver='localhost'))";
1773         my $res = $job_db->select_dbentry( $sql_statement );
1775     # Ask OPSI for an update of the running jobs
1776     while (my ($id, $hit) = each %$res ) {
1777         # Determine current parameters of the job
1778         my $hostId = $hit->{'plainname'};
1779         my $macaddress = $hit->{'macaddress'};
1780         my $progress = $hit->{'progress'};
1782         my $result= {};
1783         
1784         # For hosts, only return the products that are or get installed
1785         my $callobj;
1786         $callobj = {
1787             method  => 'getProductStates_hash',
1788             params  => [ $hostId ],
1789             id  => 1,
1790         };
1791         
1792         my $hres = $opsi_client->call($opsi_url, $callobj);
1793                 # TODO : move all opsi relevant statments to opsi plugin
1794                 # The following 3 lines must be tested befor they can replace the rubbish above and below !!!
1795                 #my ($res, $err) = &opsi_com::_getProductStates_hash(hostId=>$hostId)
1796                 #if (not $err) {
1797                 #       my $htmp = $res->{$hostId};
1798                 # 
1799         if (not &check_opsi_res($hres)) {
1800             my $htmp= $hres->result->{$hostId};
1801             # Check state != not_installed or action == setup -> load and add
1802             my $products= 0;
1803             my $installed= 0;
1804             my $installing = 0;
1805             my $error= 0;  
1806             my @installed_list;
1807             my @error_list;
1808             my $act_status = "none";
1809             foreach my $product (@{$htmp}){
1811                 if ($product->{'installationStatus'} ne "not_installed" or
1812                         $product->{'actionRequest'} eq "setup"){
1814                     # Increase number of products for this host
1815                     $products++;
1816         
1817                     if ($product->{'installationStatus'} eq "failed"){
1818                         $result->{$product->{'productId'}}= "error";
1819                         unshift(@error_list, $product->{'productId'});
1820                         $error++;
1821                     }
1822                     if ($product->{'installationStatus'} eq "installed" && $product->{'actionRequest'}  eq "none"){
1823                         $result->{$product->{'productId'}}= "installed";
1824                         unshift(@installed_list, $product->{'productId'});
1825                         $installed++;
1826                     }
1827                     if ($product->{'installationStatus'} eq "installing"){
1828                         $result->{$product->{'productId'}}= "installing";
1829                         $installing++;
1830                         $act_status = "installing - ".$product->{'productId'};
1831                     }
1832                 }
1833             }
1834         
1835             # Estimate "rough" progress, avoid division by zero
1836             if ($products == 0) {
1837                 $result->{'progress'}= 0;
1838             } else {
1839                 $result->{'progress'}= int($installed * 100 / $products);
1840             }
1842             # Set updates in job queue
1843             if ((not $error) && (not $installing) && ($installed)) {
1844                 $act_status = "installed - ".join(", ", @installed_list);
1845             }
1846             if ($error) {
1847                 $act_status = "error - ".join(", ", @error_list);
1848             }
1849             if ($progress ne $result->{'progress'} ) {
1850                 # Updating progress and result 
1851                 my $update_statement = "UPDATE $job_queue_tn SET modified='1', progress='".$result->{'progress'}."', result='$act_status' WHERE macaddress LIKE '$macaddress' AND siserver='localhost'";
1852                 my $update_res = $job_db->update_dbentry($update_statement);
1853             }
1854             if ($progress eq 100) { 
1855                 # Updateing status
1856                 my $done_statement = "UPDATE $job_queue_tn SET modified='1', ";
1857                 if ($error) {
1858                     $done_statement .= "status='error'";
1859                 } else {
1860                     $done_statement .= "status='done'";
1861                 }
1862                 $done_statement .= " WHERE macaddress LIKE '$macaddress' AND siserver='localhost'";
1863                 my $done_res = $job_db->update_dbentry($done_statement);
1864             }
1867         }
1868     }
1870     $kernel->delay_set('watch_for_opsi_jobs', $job_queue_opsi_delay);
1874 # If a job got an update or was modified anyway, send to all other si-server an update message of this jobs.
1875 sub watch_for_modified_jobs {
1876     my ($kernel,$heap) = @_[KERNEL, HEAP];
1878     my $sql_statement = "SELECT * FROM $job_queue_tn WHERE (modified='1')"; 
1879     my $res = $job_db->select_dbentry( $sql_statement );
1880     
1881     # if db contains no jobs which should be update, do nothing
1882     if (keys %$res != 0) {
1884         if ($job_synchronization  eq "true") {
1885             # make out of the db result a gosa-si message   
1886             my $update_msg = &db_res2si_msg ($res, "foreign_job_updates", "KNOWN_SERVER", "MY_LOCAL_ADDRESS");
1887  
1888             # update all other SI-server
1889             &inform_all_other_si_server($update_msg);
1890         }
1892         # set jobs all jobs to modified = 0, wait until the next modification for updates of other si-server
1893         $sql_statement = "UPDATE $job_queue_tn SET modified='0' ";
1894         $res = $job_db->update_dbentry($sql_statement);
1895     }
1897     $kernel->delay_set('watch_for_modified_jobs', $modified_jobs_loop_delay);
1901 sub watch_for_new_jobs {
1902         if($watch_for_new_jobs_in_progress == 0) {
1903                 $watch_for_new_jobs_in_progress = 1;
1904                 my ($kernel,$heap) = @_[KERNEL, HEAP];
1906                 # check gosa job queue for jobs with executable timestamp
1907                 my $timestamp = &get_time();
1908                 my $sql_statement = "SELECT * FROM $job_queue_tn WHERE siserver='localhost' AND status='waiting' AND (CAST(timestamp AS UNSIGNED)) < $timestamp ORDER BY timestamp";
1909                 my $res = $job_db->exec_statement( $sql_statement );
1911                 # Merge all new jobs that would do the same actions
1912                 my @drops;
1913                 my $hits;
1914                 foreach my $hit (reverse @{$res} ) {
1915                         my $macaddress= lc @{$hit}[8];
1916                         my $headertag= @{$hit}[5];
1917                         if(
1918                                 defined($hits->{$macaddress}) &&
1919                                 defined($hits->{$macaddress}->{$headertag}) &&
1920                                 defined($hits->{$macaddress}->{$headertag}[0])
1921                         ) {
1922                                 push @drops, "DELETE FROM $job_queue_tn WHERE id = $hits->{$macaddress}->{$headertag}[0]";
1923                         }
1924                         $hits->{$macaddress}->{$headertag}= $hit;
1925                 }
1927                 # Delete new jobs with a matching job in state 'processing'
1928                 foreach my $macaddress (keys %{$hits}) {
1929                         foreach my $jobdb_headertag (keys %{$hits->{$macaddress}}) {
1930                                 my $jobdb_id = @{$hits->{$macaddress}->{$jobdb_headertag}}[0];
1931                                 if(defined($jobdb_id)) {
1932                                         my $sql_statement = "SELECT * FROM $job_queue_tn WHERE macaddress LIKE '$macaddress' AND headertag='$jobdb_headertag' AND status='processing'";
1933                                         my $res = $job_db->exec_statement( $sql_statement );
1934                                         foreach my $hit (@{$res}) {
1935                                                 push @drops, "DELETE FROM $job_queue_tn WHERE id=$jobdb_id";
1936                                         }
1937                                 } else {
1938                                         daemon_log("J ERROR: Job without id exists for macaddress $macaddress!", 1);
1939                                 }
1940                         }
1941                 }
1943                 # Commit deletion
1944                 $job_db->exec_statementlist(\@drops);
1946                 # Look for new jobs that could be executed
1947                 foreach my $macaddress (keys %{$hits}) {
1949                         # Look if there is an executing job
1950                         my $sql_statement = "SELECT * FROM $job_queue_tn WHERE macaddress LIKE '$macaddress' AND status='processing'";
1951                         my $res = $job_db->exec_statement( $sql_statement );
1953                         # Skip new jobs for host if there is a processing job
1954                         if(defined($res) and defined @{$res}[0]) {
1955                                 # Prevent race condition if there is a trigger_activate job waiting and a goto-activation job processing
1956                                 my $row = @{$res}[0] if (ref $res eq 'ARRAY');
1957                                 if(@{$row}[5] eq 'trigger_action_reinstall') {
1958                                         my $sql_statement_2 =  "SELECT * FROM $job_queue_tn WHERE macaddress LIKE '$macaddress' AND status='waiting' AND headertag = 'trigger_activate_new'"; 
1959                                         my $res_2 = $job_db->exec_statement( $sql_statement_2 );
1960                                         if(defined($res_2) and defined @{$res_2}[0]) {
1961                                                 # Set status from goto-activation to 'waiting' and update timestamp
1962                                                 $job_db->exec_statement("UPDATE $job_queue_tn SET status='waiting', timestamp='".&calc_timestamp(&get_time(), 'plus', 30)."' WHERE macaddress LIKE '$macaddress' AND headertag = 'trigger_action_reinstall'");
1963                                         }
1964                                 }
1965                                 next;
1966                         }
1968                         foreach my $jobdb_headertag (keys %{$hits->{$macaddress}}) {
1969                                 my $jobdb_id = @{$hits->{$macaddress}->{$jobdb_headertag}}[0];
1970                                 if(defined($jobdb_id)) {
1971                                         my $job_msg = @{$hits->{$macaddress}->{$jobdb_headertag}}[7];
1973                                         daemon_log("J DEBUG: its time to execute $job_msg", 7);
1974                                         my $sql_statement = "SELECT * FROM known_clients WHERE macaddress LIKE '$macaddress'";
1975                                         my $res_hash = $known_clients_db->select_dbentry( $sql_statement );
1977                                         # expect macaddress is unique!!!!!!
1978                                         my $target = $res_hash->{1}->{hostname};
1980                                         # change header
1981                                         $job_msg =~ s/<header>job_/<header>gosa_/;
1983                                         # add sqlite_id
1984                                         $job_msg =~ s/<\/xml>$/<jobdb_id>$jobdb_id<\/jobdb_id><\/xml>/;
1986                                         $job_msg =~ /<header>(\S+)<\/header>/;
1987                                         my $header = $1 ;
1988                                         my $func_error = &send_msg_to_target($job_msg, $server_address, $GosaPackages_key, $header, "J");                    
1990                                         # update status in job queue to ...
1991                     # ... 'processing', for jobs: 'reinstall', 'update', activate_new
1992                     if (($header =~ /gosa_trigger_action_reinstall/) 
1993                             || ($header =~ /gosa_trigger_activate_new/)
1994                             || ($header =~ /gosa_trigger_action_update/)) {
1995                         my $sql_statement = "UPDATE $job_queue_tn SET status='processing' WHERE id=$jobdb_id";
1996                         my $dbres = $job_db->update_dbentry($sql_statement);
1997                     }
1999                     # ... 'done', for all other jobs, they are no longer needed in the jobqueue
2000                     else {
2001                         my $sql_statement = "UPDATE $job_queue_tn SET status='done' WHERE id=$jobdb_id";
2002                         my $dbres = $job_db->exec_statement($sql_statement);
2003                     }
2004                 
2006                                         # We don't want parallel processing
2007                                         last;
2008                                 }
2009                         }
2010                 }
2012                 $watch_for_new_jobs_in_progress = 0;
2013                 $kernel->delay_set('watch_for_new_jobs', $job_queue_loop_delay);
2014         }
2018 sub watch_for_new_messages {
2019     my ($kernel,$heap) = @_[KERNEL, HEAP];
2020     my @coll_user_msg;   # collection list of outgoing messages
2021     
2022     # check messaging_db for new incoming messages with executable timestamp
2023     my $timestamp = &get_time();
2024     my $sql_statement = "SELECT * FROM $messaging_tn WHERE ( (CAST(timestamp AS UNSIGNED))<$timestamp AND flag='n' AND direction='in' )";
2025     my $res = $messaging_db->exec_statement( $sql_statement );
2026         foreach my $hit (@{$res}) {
2028         # create outgoing messages
2029         my $message_to = @{$hit}[3];
2030         # translate message_to to plain login name
2031         my @message_to_l = split(/,/, $message_to);  
2032                 my %receiver_h; 
2033                 foreach my $receiver (@message_to_l) {
2034                         if ($receiver =~ /^u_([\s\S]*)$/) {
2035                                 $receiver_h{$1} = 0;
2036                         } elsif ($receiver =~ /^g_([\s\S]*)$/) {
2037                                 my $group_name = $1;
2038                                 # fetch all group members from ldap and add them to receiver hash
2039                                 my $ldap_handle = &get_ldap_handle();
2040                                 if (defined $ldap_handle) {
2041                                                 my $mesg = $ldap_handle->search(
2042                                                                                 base => $ldap_base,
2043                                                                                 scope => 'sub',
2044                                                                                 attrs => ['memberUid'],
2045                                                                                 filter => "cn=$group_name",
2046                                                                                 );
2047                                                 if ($mesg->count) {
2048                                                                 my @entries = $mesg->entries;
2049                                                                 foreach my $entry (@entries) {
2050                                                                                 my @receivers= $entry->get_value("memberUid");
2051                                                                                 foreach my $receiver (@receivers) { 
2052                                                                                                 $receiver_h{$receiver} = 0;
2053                                                                                 }
2054                                                                 }
2055                                                 } 
2056                                                 # translating errors ?
2057                                                 if ($mesg->code) {
2058                                                                 daemon_log("M ERROR: unable to translate group '$group_name' to user list for message delivery: $mesg->error", 1);
2059                                                 }
2060                                                 &release_ldap_handle($ldap_handle);
2061                                 # ldap handle error ?           
2062                                 } else {
2063                                         daemon_log("M ERROR: unable to translate group '$group_name' to user list for message delivery: no ldap handle available", 1);
2064                                 }
2065                         } else {
2066                                 my $sbjct = &encode_base64(@{$hit}[1]);
2067                                 my $msg = &encode_base64(@{$hit}[7]);
2068                                 &daemon_log("M WARNING: unknown receiver '$receiver' for a user-message '$sbjct - $msg'", 3); 
2069                         }
2070                 }
2071                 my @receiver_l = keys(%receiver_h);
2073         my $message_id = @{$hit}[0];
2075         #add each outgoing msg to messaging_db
2076         my $receiver;
2077         foreach $receiver (@receiver_l) {
2078             my $sql_statement = "INSERT INTO $messaging_tn (id, subject, message_from, message_to, flag, direction, delivery_time, message, timestamp) ".
2079                 "VALUES ('".
2080                 $message_id."', '".    # id
2081                 @{$hit}[1]."', '".     # subject
2082                 @{$hit}[2]."', '".     # message_from
2083                 $receiver."', '".      # message_to
2084                 "none"."', '".         # flag
2085                 "out"."', '".          # direction
2086                 @{$hit}[6]."', '".     # delivery_time
2087                 @{$hit}[7]."', '".     # message
2088                 $timestamp."'".     # timestamp
2089                 ")";
2090             &daemon_log("M DEBUG: $sql_statement", 1);
2091             my $res = $messaging_db->exec_statement($sql_statement);
2092             &daemon_log("M INFO: message '".@{$hit}[0]."' is prepared for delivery to receiver '$receiver'", 5);
2093         }
2095         # set incoming message to flag d=deliverd
2096         $sql_statement = "UPDATE $messaging_tn SET flag='p' WHERE id='$message_id'"; 
2097         &daemon_log("M DEBUG: $sql_statement", 7);
2098         $res = $messaging_db->update_dbentry($sql_statement);
2099         &daemon_log("M INFO: message '$message_id' is set to flag 'p' (processed)", 5);
2100     }
2102     $kernel->delay_set('watch_for_new_messages', $messaging_db_loop_delay); 
2103     return;
2106 sub watch_for_delivery_messages {
2107     my ($kernel, $heap) = @_[KERNEL, HEAP];
2109     # select outgoing messages
2110     my $sql_statement = "SELECT * FROM $messaging_tn WHERE ( flag='p' AND direction='out' )";
2111     my $res = $messaging_db->exec_statement( $sql_statement );
2112     
2113     # build out msg for each    usr
2114     foreach my $hit (@{$res}) {
2115         my $receiver = @{$hit}[3];
2116         my $msg_id = @{$hit}[0];
2117         my $subject = @{$hit}[1];
2118         my $message = @{$hit}[7];
2120         # resolve usr -> host where usr is logged in
2121         my $sql = "SELECT * FROM $login_users_tn WHERE (user='$receiver')"; 
2122         my $res = $login_users_db->exec_statement($sql);
2124         # receiver is logged in nowhere
2125         if (not ref(@$res[0]) eq "ARRAY") { next; }    
2127         # receiver ist logged in at a client registered at local server
2128                 my $send_succeed = 0;
2129                 foreach my $hit (@$res) {
2130                                 my $receiver_host = @$hit[0];
2131                 my $delivered2host = 0;
2132                                 &daemon_log("M DEBUG: user '$receiver' is logged in at host '$receiver_host'", 7);
2134                                 # Looking for host in know_clients_db 
2135                                 my $sql = "SELECT * FROM $known_clients_tn WHERE (hostname='$receiver_host')";
2136                                 my $res = $known_clients_db->exec_statement($sql);
2138                 # Host is known in known_clients_db
2139                 if (ref(@$res[0]) eq "ARRAY") {
2140                     my $receiver_key = @{@{$res}[0]}[2];
2141                     my %data = ('subject' => $subject, 'message' => $message, 'usr' => $receiver);
2142                     my $out_msg = &build_msg("usr_msg", $server_address, $receiver_host, \%data ); 
2143                     my $error = &send_msg_to_target($out_msg, $receiver_host, $receiver_key, "usr_msg", 0); 
2144                     if ($error == 0 ) {
2145                         $send_succeed++ ;
2146                         $delivered2host++ ;
2147                         &daemon_log("M DEBUG: send message for user '$receiver' to host '$receiver_host'", 7); 
2148                     } else {
2149                         &daemon_log("M DEBUG: cannot send message for user '$receiver' to host '$receiver_host'", 7); 
2150                     }
2151                 }
2152                 
2153                 # Message already send, do not need to do anything more, otherwise ...
2154                 if ($delivered2host) { next;}
2155     
2156                 # ...looking for host in foreign_clients_db
2157                 $sql = "SELECT * FROM $foreign_clients_tn WHERE (hostname='$receiver_host')";
2158                 $res = $foreign_clients_db->exec_statement($sql);
2159   
2160                                 # Host is known in foreign_clients_db 
2161                                 if (ref(@$res[0]) eq "ARRAY") { 
2162                     my $registration_server = @{@{$res}[0]}[2];
2163                     
2164                     # Fetch encryption key for registration server
2165                     my $sql = "SELECT * FROM $known_server_tn WHERE (hostname='$registration_server')";
2166                     my $res = $known_server_db->exec_statement($sql);
2167                     if (ref(@$res[0]) eq "ARRAY") { 
2168                         my $registration_server_key = @{@{$res}[0]}[3];
2169                         my %data = ('subject' => $subject, 'message' => $message, 'usr' => $receiver);
2170                         my $out_msg = &build_msg("usr_msg", $server_address, $receiver_host, \%data ); 
2171                         my $error = &send_msg_to_target($out_msg, $registration_server, $registration_server_key, "usr_msg", 0); 
2172                         if ($error == 0 ) {
2173                             $send_succeed++ ;
2174                             $delivered2host++ ;
2175                             &daemon_log("M DEBUG: send message for user '$receiver' to server '$registration_server'", 7); 
2176                         } else {
2177                             &daemon_log("M ERROR: cannot send message for user '$receiver' to server '$registration_server'", 1); 
2178                         }
2180                     } else {
2181                         &daemon_log("M ERROR: host '$receiver_host' is reported to be ".
2182                                 "registrated at server '$registration_server', ".
2183                                 "but no data available in known_server_db ", 1); 
2184                     }
2185                 }
2186                 
2187                 if (not $delivered2host) {
2188                     &daemon_log("M ERROR: unable to send user message to host '$receiver_host'", 1);
2189                 }
2190                 }
2192                 if ($send_succeed) {
2193                                 # set outgoing msg at db to deliverd
2194                                 my $sql = "UPDATE $messaging_tn SET flag='d' WHERE (id='$msg_id' AND direction='out' AND message_to='$receiver')"; 
2195                                 my $res = $messaging_db->exec_statement($sql); 
2196                 &daemon_log("M INFO: send message for user '$receiver' to logged in hosts", 5);
2197                 } else {
2198             &daemon_log("M WARNING: failed to deliver message for user '$receiver'", 3); 
2199         }
2200         }
2202     $kernel->delay_set('watch_for_delivery_messages', $messaging_db_loop_delay); 
2203     return;
2207 sub watch_for_done_messages {
2208     my ($kernel,$heap) = @_[KERNEL, HEAP];
2210     my $sql = "SELECT * FROM $messaging_tn WHERE (flag='p' AND direction='in')"; 
2211     my $res = $messaging_db->exec_statement($sql); 
2213     foreach my $hit (@{$res}) {
2214         my $msg_id = @{$hit}[0];
2216         my $sql = "SELECT * FROM $messaging_tn WHERE (id='$msg_id' AND direction='out' AND (NOT flag='s'))"; 
2217         my $res = $messaging_db->exec_statement($sql);
2219         # not all usr msgs have been seen till now
2220         if ( ref(@$res[0]) eq "ARRAY") { next; }
2221         
2222         $sql = "DELETE FROM $messaging_tn WHERE (id='$msg_id')"; 
2223         $res = $messaging_db->exec_statement($sql);
2224     
2225     }
2227     $kernel->delay_set('watch_for_done_messages', $messaging_db_loop_delay); 
2228     return;
2232 sub watch_for_old_known_clients {
2233     my ($kernel,$heap) = @_[KERNEL, HEAP];
2235     my $sql_statement = "SELECT * FROM $known_clients_tn";
2236     my $res = $known_clients_db->select_dbentry( $sql_statement );
2238     my $cur_time = int(&get_time());
2240     while ( my ($hit_num, $hit) = each %$res) {
2241         my $expired_timestamp = int($hit->{'timestamp'});
2242         $expired_timestamp =~ /(\d{4})(\d\d)(\d\d)(\d\d)(\d\d)(\d\d)/;
2243         my $dt = DateTime->new( year   => $1,
2244                 month  => $2,
2245                 day    => $3,
2246                 hour   => $4,
2247                 minute => $5,
2248                 second => $6,
2249                 );
2251         $dt->add( seconds => 2 * int($hit->{'keylifetime'}) );
2252         $expired_timestamp = $dt->ymd('').$dt->hms('');
2253         if ($cur_time > $expired_timestamp) {
2254             my $hostname = $hit->{'hostname'};
2255             my $del_sql = "DELETE FROM $known_clients_tn WHERE hostname='$hostname'"; 
2256             my $del_res = $known_clients_db->exec_statement($del_sql);
2258             &main::daemon_log("0 INFO: timestamp '".$hit->{'timestamp'}."' of client '$hostname' is expired('$expired_timestamp'), client will be deleted from known_clients_db", 5);
2259         }
2261     }
2263     $kernel->delay_set('watch_for_old_known_clients', $job_queue_loop_delay);
2267 sub watch_for_next_tasks {
2268     my ($kernel,$heap) = @_[KERNEL, HEAP];
2270     my $sql = "SELECT * FROM $incoming_tn";
2271     my $res = $incoming_db->select_dbentry($sql);
2272     
2273     while ( my ($hit_num, $hit) = each %$res) {
2274         my $headertag = $hit->{'headertag'};
2275         if ($headertag =~ /^answer_(\d+)/) {
2276             # do not start processing, this message is for a still running POE::Wheel
2277             next;
2278         }
2279         my $message_id = $hit->{'id'};
2280         my $session_id = $hit->{'sessionid'};
2281         &daemon_log("$session_id DEBUG: start processing for message with incoming id: '$message_id'", 11);
2283         $kernel->yield('next_task', $hit);
2285         my $sql = "DELETE FROM $incoming_tn WHERE id=$message_id";
2286         my $res = $incoming_db->exec_statement($sql);
2287     }
2291 sub get_ldap_handle {
2292         my ($session_id) = @_;
2293         my $heap;
2295         if (not defined $session_id ) { $session_id = 0 };
2296         if ($session_id =~ /[^0-9]*/) { $session_id = 0 };
2298         my ($package, $file, $row, $subroutine, $hasArgs, $wantArray, $evalText, $isRequire) = caller(1);
2299         my $caller_text = "subroutine $subroutine";
2300         if ($subroutine eq "(eval)") {
2301                 $caller_text = "eval block within file '$file' for '$evalText'"; 
2302         }
2303         daemon_log("$session_id DEBUG: new ldap handle for '$caller_text' required!", 42);
2305 get_handle:
2306         my $ldap_handle = Net::LDAP->new( $ldap_uri );
2307         if (not ref $ldap_handle) {
2308                 daemon_log("$session_id ERROR: Connection to LDAP URI '$ldap_uri' failed! Retrying in $ldap_retry_sec seconds.", 1); 
2309                 sleep($ldap_retry_sec);
2310                 goto get_handle;
2311         } else {
2312                 daemon_log("$session_id DEBUG: Connection to LDAP URI '$ldap_uri' established.", 42);
2313         }
2315         $ldap_handle->bind($ldap_admin_dn, password => $ldap_admin_password) or &daemon_log("$session_id ERROR: Could not bind as '$ldap_admin_dn' to LDAP URI '$ldap_uri'!", 1);
2316         return $ldap_handle;
2320 sub release_ldap_handle {
2321         my ($ldap_handle, $session_id) = @_ ;
2322         if (not defined $session_id ) { $session_id = 0 };
2324         if(ref $ldap_handle) {
2325           $ldap_handle->disconnect();
2326   }
2327         &main::daemon_log("$session_id DEBUG: Released a ldap handle!", 42);
2328         return;
2332 sub change_fai_state {
2333         my ($st, $targets, $session_id) = @_;
2334         $session_id = 0 if not defined $session_id;
2335         # Set FAI state to localboot
2336         my %mapActions= (
2337                 reboot    => '',
2338                 update    => 'softupdate',
2339                 localboot => 'localboot',
2340                 reinstall => 'install',
2341                 rescan    => '',
2342                 wake      => '',
2343                 memcheck  => 'memcheck',
2344                 sysinfo   => 'sysinfo',
2345                 install   => 'install',
2346         );
2348         # Return if this is unknown
2349         if (!exists $mapActions{ $st }){
2350                 daemon_log("$session_id ERROR: unknown action '$st', can not translate ot FAIstate", 1); 
2351                 return;
2352         }
2354         my $state= $mapActions{ $st };
2356         # Build search filter for hosts
2357         my $search= "(&(objectClass=GOhard)";
2358         foreach (@{$targets}){
2359                 $search.= "(macAddress=$_)";
2360         }
2361         $search.= ")";
2363         # If there's any host inside of the search string, procress them
2364         if (!($search =~ /macAddress/)){
2365                 daemon_log("$session_id ERROR: no macAddress found in filter statement for LDAP search: '$search'", 1);    
2366                 return;
2367         }
2369         my $ldap_handle = &get_ldap_handle($session_id);
2370         # Perform search for Unit Tag
2371         my $mesg = $ldap_handle->search(
2372                 base   => $ldap_base,
2373                 scope  => 'sub',
2374                 attrs  => ['dn', 'FAIstate', 'objectClass'],
2375                 filter => "$search"
2376         );
2378         if ($mesg->count) {
2379                 my @entries = $mesg->entries;
2380                 if (0 == @entries) {
2381                         daemon_log("$session_id ERROR: ldap search failed: ldap_base=$ldap_base, filter=$search", 1); 
2382                 }
2384                 foreach my $entry (@entries) {
2385                         # Only modify entry if it is not set to '$state'
2386                         if ($entry->get_value("FAIstate") ne "$state"){
2387                                 daemon_log("$session_id INFO: Setting FAIstate to '$state' for ".$entry->dn, 5);
2388                                 my $result;
2389                                 my %tmp = map { $_ => 1 } $entry->get_value("objectClass");
2390                                 if (exists $tmp{'FAIobject'}){
2391                                         if ($state eq ''){
2392                                                 $result= $ldap_handle->modify($entry->dn, changes => [ delete => [ FAIstate => [] ] ]);
2393                                         } else {
2394                                                 $result= $ldap_handle->modify($entry->dn, changes => [ replace => [ FAIstate => $state ] ]);
2395                                         }
2396                                 } elsif ($state ne ''){
2397                                         $result= $ldap_handle->modify($entry->dn, changes => [ add => [ objectClass => 'FAIobject' ], add => [ FAIstate => $state ] ]);
2398                                 }
2400                                 # Errors?
2401                                 if ($result->code){
2402                                         daemon_log("$session_id Error: Setting FAIstate to '$state' for ".$entry->dn. "failed: ".$result->error, 1);
2403                                 }
2404                         } else {
2405                                 daemon_log("$session_id DEBUG FAIstate at host '".$entry->dn."' already at state '$st'", 42); 
2406                         }  
2407                 }
2408         } else {
2409                 daemon_log("$session_id ERROR: LDAP search failed: ldap_base=$ldap_base, filter=$search", 1);
2410         }
2411         &release_ldap_handle($ldap_handle, $session_id);                  
2413         return;
2417 sub change_goto_state {
2418     my ($st, $targets, $session_id) = @_;
2419     $session_id = 0  if not defined $session_id;
2421     # Switch on or off?
2422     my $state= $st eq 'active' ? 'active': 'locked';
2424     my $ldap_handle = &get_ldap_handle($session_id);
2425     if( defined($ldap_handle) ) {
2427       # Build search filter for hosts
2428       my $search= "(&(objectClass=GOhard)";
2429       foreach (@{$targets}){
2430         $search.= "(macAddress=$_)";
2431       }
2432       $search.= ")";
2434       # If there's any host inside of the search string, procress them
2435       if (!($search =~ /macAddress/)){
2436               &release_ldap_handle($ldap_handle);
2437         return;
2438       }
2440       # Perform search for Unit Tag
2441       my $mesg = $ldap_handle->search(
2442           base   => $ldap_base,
2443           scope  => 'sub',
2444           attrs  => ['dn', 'gotoMode'],
2445           filter => "$search"
2446           );
2448       if ($mesg->count) {
2449         my @entries = $mesg->entries;
2450         foreach my $entry (@entries) {
2452           # Only modify entry if it is not set to '$state'
2453           if ($entry->get_value("gotoMode") ne $state){
2455             daemon_log("$session_id INFO: Setting gotoMode to '$state' for ".$entry->dn, 5);
2456             my $result;
2457             $result= $ldap_handle->modify($entry->dn, changes => [replace => [ gotoMode => $state ] ]);
2459             # Errors?
2460             if ($result->code){
2461               &daemon_log("$session_id Error: Setting gotoMode to '$state' for ".$entry->dn. "failed: ".$result->error, 1);
2462             }
2464           }
2465         }
2466       } else {
2467                 daemon_log("$session_id ERROR: LDAP search failed in function change_goto_state: ldap_base=$ldap_base, filter=$search", 1);
2468           }
2470     }
2471         &release_ldap_handle($ldap_handle, $session_id);
2472         return;
2476 sub run_recreate_packages_db {
2477     my ($kernel, $session, $heap) = @_[KERNEL, SESSION, HEAP];
2478     my $session_id = $session->ID;
2479         &main::daemon_log("$session_id INFO: Recreating FAI Packages DB ('$fai_release_tn', '$fai_server_tn', '$packages_list_tn')", 5);
2480         $kernel->yield('create_fai_release_db', $fai_release_tn);
2481         $kernel->yield('create_fai_server_db', $fai_server_tn);
2482         return;
2486 sub run_create_fai_server_db {
2487     my ($kernel, $session, $heap, $table_name) = @_[KERNEL, SESSION, HEAP, ARG0];
2488     my $session_id = $session->ID;
2489     my $task = POE::Wheel::Run->new(
2490             Program => sub { &create_fai_server_db($table_name,$kernel, undef, $session_id) },
2491             StdoutEvent  => "session_run_result",
2492             StderrEvent  => "session_run_debug",
2493             CloseEvent   => "session_run_done",
2494             );
2496     $heap->{task}->{ $task->ID } = $task;
2497     return;
2501 sub create_fai_server_db {
2502         my ($table_name, $kernel, $dont_create_packages_list, $session_id) = @_;
2503         my $result;
2505         if (not defined $session_id) { $session_id = 0; }
2506         my $ldap_handle = &get_ldap_handle($session_id);
2507         if(defined($ldap_handle)) {
2508                 daemon_log("$session_id INFO: create_fai_server_db: start", 5);
2509                 my $mesg= $ldap_handle->search(
2510                         base   => $ldap_base,
2511                         scope  => 'sub',
2512                         attrs  => ['FAIrepository', 'gosaUnitTag'],
2513                         filter => "(&(FAIrepository=*)(objectClass=FAIrepositoryServer))",
2514                 );
2515                 if($mesg->{'resultCode'} == 0 &&
2516                         $mesg->count != 0) {
2517                         foreach my $entry (@{$mesg->{entries}}) {
2518                                 if($entry->exists('FAIrepository')) {
2519                                         # Add an entry for each Repository configured for server
2520                                         foreach my $repo(@{$entry->get_value('FAIrepository', asref => 1)}) {
2521                                                 my($tmp_url,$tmp_server,$tmp_release,$tmp_sections) = split(/\|/, $repo);
2522                                                 my $tmp_tag= $entry->get_value('gosaUnitTag') || "";
2523                                                 $result= $fai_server_db->add_dbentry( { 
2524                                                                 table => $table_name,
2525                                                                 primkey => ['server', 'fai_release', 'tag'],
2526                                                                 server => $tmp_url,
2527                                                                 fai_release => $tmp_release,
2528                                                                 sections => $tmp_sections,
2529                                                                 tag => (length($tmp_tag)>0)?$tmp_tag:"",
2530                                                         } );
2531                                         }
2532                                 }
2533                         }
2534                 }
2535                 daemon_log("$session_id INFO: create_fai_server_db: finished", 5);
2536                 &release_ldap_handle($ldap_handle);
2538                 # TODO: Find a way to post the 'create_packages_list_db' event
2539                 if(not defined($dont_create_packages_list)) {
2540                         &create_packages_list_db(undef, $session_id);
2541                 }
2542         }       
2544         return $result;
2548 sub run_create_fai_release_db {
2549         my ($kernel, $session, $heap, $table_name) = @_[KERNEL, SESSION, HEAP, ARG0];
2550         my $session_id = $session->ID;
2551         my $task = POE::Wheel::Run->new(
2552                 Program => sub { &create_fai_release_db($table_name, $session_id) },
2553                 StdoutEvent  => "session_run_result",
2554                 StderrEvent  => "session_run_debug",
2555                 CloseEvent   => "session_run_done",
2556         );
2558         $heap->{task}->{ $task->ID } = $task;
2559         return;
2563 sub create_fai_release_db {
2564         my ($table_name, $session_id) = @_;
2565         my $result;
2567         # used for logging
2568         if (not defined $session_id) { $session_id = 0; }
2570         my $ldap_handle = &get_ldap_handle($session_id);
2571         if(defined($ldap_handle)) {
2572                 daemon_log("$session_id INFO: create_fai_release_db: start",5);
2573                 my $mesg= $ldap_handle->search(
2574                         base   => $ldap_base,
2575                         scope  => 'sub',
2576                         attrs  => [],
2577                         filter => "(&(objectClass=organizationalUnit)(ou=fai))",
2578                 );
2579                 if(($mesg->code == 0) && ($mesg->count != 0))
2580                 {
2581                         daemon_log("$session_id DEBUG: create_fai_release_db: count " . $mesg->count,138);
2583                         # Walk through all possible FAI container ou's
2584                         my @sql_list;
2585                         my $timestamp= &get_time();
2586                         foreach my $ou (@{$mesg->{entries}}) {
2587                                 my $tmp_classes= resolve_fai_classes($ou->dn, $ldap_handle, $session_id);
2588                                 if(defined($tmp_classes) && ref($tmp_classes) eq 'HASH') {
2589                                         my @tmp_array=get_fai_release_entries($tmp_classes);
2590                                         if(@tmp_array) {
2591                                                 foreach my $entry (@tmp_array) {
2592                                                         if(defined($entry) && ref($entry) eq 'HASH') {
2593                                                                 my $sql= 
2594                                                                 "INSERT INTO $table_name "
2595                                                                 ."(timestamp, fai_release, class, type, state) VALUES ("
2596                                                                 .$timestamp.","
2597                                                                 ."'".$entry->{'release'}."',"
2598                                                                 ."'".$entry->{'class'}."',"
2599                                                                 ."'".$entry->{'type'}."',"
2600                                                                 ."'".$entry->{'state'}."')";
2601                                                                 push @sql_list, $sql;
2602                                                         }
2603                                                 }
2604                                         }
2605                                 }
2606                         }
2608                         daemon_log("$session_id DEBUG: create_fai_release_db: Inserting ".scalar @sql_list." entries to DB",138);
2609             &release_ldap_handle($ldap_handle);
2610                         if(@sql_list) {
2611                                 unshift @sql_list, "VACUUM";
2612                                 unshift @sql_list, "DELETE FROM $table_name";
2613                                 $fai_release_db->exec_statementlist(\@sql_list);
2614                         }
2615                         daemon_log("$session_id DEBUG: create_fai_release_db: Done with inserting",138);
2616                 } else {
2617                         daemon_log("$session_id INFO: create_fai_release_db: error: " . $mesg->code, 5);
2618                 }
2619                 daemon_log("$session_id INFO: create_fai_release_db: finished",5);
2620         }
2621         return $result;
2624 sub get_fai_types {
2625         my $tmp_classes = shift || return undef;
2626         my @result;
2628         foreach my $type(keys %{$tmp_classes}) {
2629                 if(defined($tmp_classes->{$type}[0]) && (!($tmp_classes->{$type}[0] =~ /^.*?removed.*?$/))) {
2630                         my $entry = {
2631                                 type => $type,
2632                                 state => $tmp_classes->{$type}[0],
2633                         };
2634                         push @result, $entry;
2635                 }
2636         }
2638         return @result;
2641 sub get_fai_state {
2642         my $result = "";
2643         my $tmp_classes = shift || return $result;
2645         foreach my $type(keys %{$tmp_classes}) {
2646                 if(defined($tmp_classes->{$type}[0])) {
2647                         $result = $tmp_classes->{$type}[0];
2648                         
2649                 # State is equal for all types in class
2650                         last;
2651                 }
2652         }
2654         return $result;
2657 sub resolve_fai_classes {
2658         my ($fai_base, $ldap_handle, $session_id) = @_;
2659         if (not defined $session_id) { $session_id = 0; }
2660         my $result;
2661         my @possible_fai_classes= ("FAIscript", "FAIhook", "FAIpartitionTable", "FAItemplate", "FAIvariable", "FAIprofile", "FAIpackageList");
2662         my $fai_filter= "(|(&(objectClass=FAIclass)(|(objectClass=".join(")(objectClass=", @possible_fai_classes).")))(objectClass=FAIbranch))";
2663         my $fai_classes;
2665         daemon_log("$session_id DEBUG: Searching for FAI entries in base $fai_base", 138);
2666         my $mesg= $ldap_handle->search(
2667                 base   => $fai_base,
2668                 scope  => 'sub',
2669                 attrs  => ['cn','objectClass','FAIstate'],
2670                 filter => $fai_filter,
2671         );
2672         daemon_log("$session_id DEBUG: Found ".$mesg->count()." FAI entries", 138);
2674         if($mesg->{'resultCode'} == 0 &&
2675                 $mesg->count != 0) {
2676                 foreach my $entry (@{$mesg->{entries}}) {
2677                         if($entry->exists('cn')) {
2678                                 my $tmp_dn= $entry->dn();
2679                                 $tmp_dn= substr( $tmp_dn, 0, length($tmp_dn)
2680                                         - length($fai_base) - 1 );
2682                                 # Skip classname and ou dn parts for class
2683                                 my $tmp_release = ($1) if $tmp_dn =~ /^[^,]+,[^,]+,(.*?)$/;
2685                                 # Skip classes without releases
2686                                 if((!defined($tmp_release)) || length($tmp_release)==0) {
2687                                         next;
2688                                 }
2690                                 my $tmp_cn= $entry->get_value('cn');
2691                                 my $tmp_state= $entry->get_value('FAIstate');
2693                                 my $tmp_type;
2694                                 # Get FAI type
2695                                 for my $oclass(@{$entry->get_value('objectClass', asref => 1)}) {
2696                                         if(grep $_ eq $oclass, @possible_fai_classes) {
2697                                                 $tmp_type= $oclass;
2698                                                 last;
2699                                         }
2700                                 }
2702                                 if($tmp_release =~ /^.*?,.*?$/ && (!($tmp_release =~ /^.*?\\,.*?$/))) {
2703                                         # A Subrelease
2704                                         my @sub_releases = split(/,/, $tmp_release);
2706                                         # Walk through subreleases and build hash tree
2707                                         my $hash;
2708                                         while(my $tmp_sub_release = pop @sub_releases) {
2709                                                 $hash .= "\{'$tmp_sub_release'\}->";                                            
2710                                         }
2711                                         eval('push @{$fai_classes->'.$hash.'{$tmp_cn}->{$tmp_type}}, (defined($tmp_state) && length($tmp_state)>0)?$tmp_state:"";');
2712                                 } else {
2713                                         # A branch, no subrelease
2714                                         push @{$fai_classes->{$tmp_release}->{$tmp_cn}->{$tmp_type}}, (defined($tmp_state) && length($tmp_state)>0)?$tmp_state:"";
2715                                 }
2716                         } elsif (!$entry->exists('cn')) {
2717                                 my $tmp_dn= $entry->dn();
2718                                 $tmp_dn= substr( $tmp_dn, 0, length($tmp_dn)
2719                                         - length($fai_base) - 1 );
2720                                 my $tmp_release = ($1) if $tmp_dn =~ /^(.*?)$/;
2722                                 # Skip classes without releases
2723                                 if((!defined($tmp_release)) || length($tmp_release)==0) {
2724                                         next;
2725                                 }
2727                                 if($tmp_release =~ /^.*?,.*?$/ && (!($tmp_release =~ /^.*?\\,.*?$/))) {
2728                                         # A Subrelease
2729                                         my @sub_releases= split(/,/, $tmp_release);
2731                                         # Walk through subreleases and build hash tree
2732                                         my $hash;
2733                                         while(my $tmp_sub_release = pop @sub_releases) {
2734                                                 $hash .= "\{'$tmp_sub_release'\}->";                                            
2735                                         }
2736                                         # Remove the last two characters
2737                                         chop($hash);
2738                                         chop($hash);
2740                                         eval('$fai_classes->'.$hash.'= {}');
2741                                 } else {
2742                                         # A branch, no subrelease
2743                                         if(!exists($fai_classes->{$tmp_release})) {
2744                                                 $fai_classes->{$tmp_release} = {};
2745                                         }
2746                                 }
2747                         }
2748                 }
2750                 # The hash is complete, now we can honor the copy-on-write based missing entries
2751                 foreach my $release (keys %$fai_classes) {
2752                         $result->{$release}= deep_copy(apply_fai_inheritance($fai_classes->{$release}));
2753                 }
2754         }
2755         return $result;
2758 sub apply_fai_inheritance {
2759        my $fai_classes = shift || return {};
2760        my $tmp_classes;
2762        # Get the classes from the branch
2763        foreach my $class (keys %{$fai_classes}) {
2764                # Skip subreleases
2765                if($class =~ /^ou=.*$/) {
2766                        next;
2767                } else {
2768                        $tmp_classes->{$class}= deep_copy($fai_classes->{$class});
2769                }
2770        }
2772        # Apply to each subrelease
2773        foreach my $subrelease (keys %{$fai_classes}) {
2774                if($subrelease =~ /ou=/) {
2775                        foreach my $tmp_class (keys %{$tmp_classes}) {
2776                                if(!exists($fai_classes->{$subrelease}->{$tmp_class})) {
2777                                        $fai_classes->{$subrelease}->{$tmp_class} =
2778                                        deep_copy($tmp_classes->{$tmp_class});
2779                                } else {
2780                                        foreach my $type (keys %{$tmp_classes->{$tmp_class}}) {
2781                                                if(!exists($fai_classes->{$subrelease}->{$tmp_class}->{$type})) {
2782                                                        $fai_classes->{$subrelease}->{$tmp_class}->{$type}=
2783                                                        deep_copy($tmp_classes->{$tmp_class}->{$type});
2784                                                }
2785                                        }
2786                                }
2787                        }
2788                }
2789        }
2791        # Find subreleases in deeper levels
2792        foreach my $subrelease (keys %{$fai_classes}) {
2793                if($subrelease =~ /ou=/) {
2794                        foreach my $subsubrelease (keys %{$fai_classes->{$subrelease}}) {
2795                                if($subsubrelease =~ /ou=/) {
2796                                        apply_fai_inheritance($fai_classes->{$subrelease});
2797                                }
2798                        }
2799                }
2800        }
2802        return $fai_classes;
2805 sub get_fai_release_entries {
2806         my $tmp_classes = shift || return;
2807         my $parent = shift || "";
2808         my @result = shift || ();
2810         foreach my $entry (keys %{$tmp_classes}) {
2811                 if(defined($entry)) {
2812                         if($entry =~ /^ou=.*$/) {
2813                                 my $release_name = $entry;
2814                                 $release_name =~ s/ou=//g;
2815                                 if(length($parent)>0) {
2816                                         $release_name = $parent."/".$release_name;
2817                                 }
2818                                 my @bufentries = get_fai_release_entries($tmp_classes->{$entry}, $release_name, @result);
2819                                 foreach my $bufentry(@bufentries) {
2820                                         push @result, $bufentry;
2821                                 }
2822                         } else {
2823                                 my @types = get_fai_types($tmp_classes->{$entry});
2824                                 foreach my $type (@types) {
2825                                         push @result, 
2826                                         {
2827                                                 'class' => $entry,
2828                                                 'type' => $type->{'type'},
2829                                                 'release' => $parent,
2830                                                 'state' => $type->{'state'},
2831                                         };
2832                                 }
2833                         }
2834                 }
2835         }
2837         return @result;
2840 sub deep_copy {
2841         my $this = shift;
2842         if (not ref $this) {
2843                 $this;
2844         } elsif (ref $this eq "ARRAY") {
2845                 [map deep_copy($_), @$this];
2846         } elsif (ref $this eq "HASH") {
2847                 +{map { $_ => deep_copy($this->{$_}) } keys %$this};
2848         } else { die "what type is $_?" }
2852 sub session_run_result {
2853     my ($kernel, $heap, $client_answer) = @_[KERNEL, HEAP, ARG0];    
2854     $kernel->sig(CHLD => "child_reap");
2857 sub session_run_debug {
2858     my $result = $_[ARG0];
2859     print STDERR "$result\n";
2862 sub session_run_done {
2863     my ( $kernel, $heap, $task_id ) = @_[ KERNEL, HEAP, ARG0 ];
2864     delete $heap->{task}->{$task_id};
2865         if (exists $heap->{ldap_handle}->{$task_id}) {
2866                 &release_ldap_handle($heap->{ldap_handle}->{$task_id});
2867         }
2868         delete $heap->{ldap_handle}->{$task_id};
2872 sub create_sources_list {
2873         my $session_id = shift || 0;
2874         my $result="/tmp/gosa_si_tmp_sources_list";
2876         # Remove old file
2877         if(stat($result)) {
2878                 unlink($result);
2879                 &main::daemon_log("$session_id DEBUG: remove an old version of '$result'", 7); 
2880         }
2882         open(my $fh, ">", "$result");
2883         if (not defined $fh) {
2884                 &main::daemon_log("$session_id DEBUG: cannot open '$result' for writing", 7); 
2885                 return undef;
2886         }
2887         if(defined($main::ldap_server_dn) and length($main::ldap_server_dn) > 0) {
2888                 my $ldap_handle = &get_ldap_handle($session_id);
2889                 my $mesg=$ldap_handle->search(
2890                         base    => $main::ldap_server_dn,
2891                         scope   => 'base',
2892                         attrs   => 'FAIrepository',
2893                         filter  => 'objectClass=FAIrepositoryServer'
2894                 );
2895                 if($mesg->count) {
2896                         foreach my $entry(@{$mesg->{'entries'}}) {
2897                                 foreach my $value(@{$entry->get_value('FAIrepository', asref => 1)}) {
2898                                         my ($server, $tag, $release, $sections)= split /\|/, $value;
2899                                         my $line = "deb $server $release";
2900                                         $sections =~ s/,/ /g;
2901                                         $line.= " $sections";
2902                                         print $fh $line."\n";
2903                                 }
2904                         }
2905                 }
2906                 &release_ldap_handle($ldap_handle);
2907         } else {
2908                 if (defined $main::ldap_server_dn){
2909                         &main::daemon_log("$session_id ERROR: something wrong with ldap_server_dn '$main::ldap_server_dn', abort create_sources_list", 1); 
2910                 } else {
2911                         &main::daemon_log("$session_id ERROR: no ldap_server_dn found, abort create_sources_list", 1);
2912                 }
2913         }
2914         close($fh);
2916         return $result;
2920 sub run_create_packages_list_db {
2921     my ($kernel, $session, $heap) = @_[KERNEL, SESSION, HEAP];
2922         my $session_id = $session->ID;
2923         my $task = POE::Wheel::Run->new(
2924                                         Priority => +20,
2925                                         Program => sub {&create_packages_list_db(undef, $session_id)},
2926                                         StdoutEvent  => "session_run_result",
2927                                         StderrEvent  => "session_run_debug",
2928                                         CloseEvent   => "session_run_done",
2929                                         );
2930         $heap->{task}->{ $task->ID } = $task;
2934 sub create_packages_list_db {
2935         my ($sources_file, $session_id) = @_;
2936         
2937         # it should not be possible to trigger a recreation of packages_list_db
2938         # while packages_list_db is under construction, so set flag packages_list_under_construction
2939         # which is tested befor recreation can be started
2940         if (-r $packages_list_under_construction) {
2941                 daemon_log("$session_id WARNING: packages_list_db is right now under construction, please wait until this process is finished", 3);
2942                 return;
2943         } else {
2944                 daemon_log("$session_id INFO: create_packages_list_db: start", 5); 
2945                 # set packages_list_under_construction to true
2946                 system("touch $packages_list_under_construction");
2947                 @packages_list_statements=();
2948         }
2950         if (not defined $session_id) { $session_id = 0; }
2952         if (not defined $sources_file) { 
2953                 &main::daemon_log("$session_id INFO: no sources_file given for creating packages list so trigger creation of it", 5); 
2954                 $sources_file = &create_sources_list($session_id);
2955         }
2957         if (not defined $sources_file) {
2958                 &main::daemon_log("$session_id ERROR: no sources_file given under '$sources_file', skip create_packages_list_db", 1); 
2959                 unlink($packages_list_under_construction);
2960                 return;
2961         }
2963         my $line;
2965         open(my $CONFIG, "<", "$sources_file") or do {
2966                 daemon_log( "$session_id ERROR: create_packages_list_db: Failed to open '$sources_file'", 1);
2967                 unlink($packages_list_under_construction);
2968                 return;
2969         };
2971         # Read lines
2972         while ($line = <$CONFIG>){
2973                 # Unify
2974                 chop($line);
2975                 $line =~ s/^\s+//;
2976                 $line =~ s/^\s+/ /;
2978                 # Strip comments
2979                 $line =~ s/#.*$//g;
2981                 # Skip empty lines
2982                 if ($line =~ /^\s*$/){
2983                         next;
2984                 }
2986                 # Interpret deb line
2987                 if ($line =~ /^deb [^\s]+\s[^\s]+\s[^\s]+/){
2988                         my( $baseurl, $dist, $sections ) = ($line =~ /^deb\s([^\s]+)\s+([^\s]+)\s+(.*)$/);
2989                         my $section;
2990                         foreach $section (split(' ', $sections)){
2991                                 &parse_package_info( $baseurl, $dist, $section, $session_id );
2992                         }
2993                 }
2994     else {
2995         daemon_log("$session_id ERROR: cannot parse line '$line'", 1);
2996     }
2997         }
2999         close ($CONFIG);
3001         if(keys(%repo_dirs)) {
3002                 find(\&cleanup_and_extract, keys( %repo_dirs ));
3003                 &main::strip_packages_list_statements();
3004                 $packages_list_db->exec_statementlist(\@packages_list_statements);
3005         }
3006         unlink($packages_list_under_construction);
3007         daemon_log("$session_id INFO: create_packages_list_db: finished", 5); 
3008         return;
3011 # This function should do some intensive task to minimize the db-traffic
3012 sub strip_packages_list_statements {
3013         my @existing_entries= @{$packages_list_db->exec_statement("SELECT * FROM $main::packages_list_tn")};
3014         my @new_statement_list=();
3015         my $hash;
3016         my $insert_hash;
3017         my $update_hash;
3018         my $delete_hash;
3019         my $known_packages_hash;
3020         my $local_timestamp=get_time();
3022         foreach my $existing_entry (@existing_entries) {
3023                 $hash->{@{$existing_entry}[0]}->{@{$existing_entry}[1]}->{@{$existing_entry}[2]}= $existing_entry;
3024         }
3026         foreach my $statement (@packages_list_statements) {
3027                 if($statement =~ /^INSERT/i) {
3028                         # Assign the values from the insert statement
3029                         my ($distribution,$package,$version,$section,$description,$template,$timestamp) = ($1,$2,$3,$4,$5,$6,$7) if $statement =~ 
3030                         /^INSERT\s+?INTO\s+?$main::packages_list_tn\s+?VALUES\s*?\('(.*?)',\s*?'(.*?)',\s*?'(.*?)',\s*?'(.*?)',\s*?'(.*?)',\s*?'(.*?)',\s*?'(.*?)'\s*?\)$/si;
3031                         if(exists($hash->{$distribution}->{$package}->{$version})) {
3032                                 # If section or description has changed, update the DB
3033                                 if( 
3034                                         (! (@{$hash->{$distribution}->{$package}->{$version}}[3] eq $section)) or 
3035                                         (! (@{$hash->{$distribution}->{$package}->{$version}}[4] eq $description))
3036                                 ) {
3037                                         @{$update_hash->{$distribution}->{$package}->{$version}} = ($distribution,$package,$version,$section,$description,undef);
3038                                 } else {
3039                                         # package is already present in database. cache this knowledge for later use
3040                                         @{$known_packages_hash->{$distribution}->{$package}->{$version}} = ($distribution,$package,$version,$section,$description,$template);
3041                                 }
3042                         } else {
3043                                 # Insert a non-existing entry to db
3044                                 @{$insert_hash->{$distribution}->{$package}->{$version}} = ($distribution,$package,$version,$section,$description,$template);
3045                         }
3046                 } elsif ($statement =~ /^UPDATE/i) {
3047                         my ($template,$package,$version) = ($1,$2,$3) if $statement =~
3048                         /^update\s+?$main::packages_list_tn\s+?set\s+?template\s*?=\s*?'(.*?)'\s+?where\s+?package\s*?=\s*?'(.*?)'\s+?and\s+?version\s*?=\s*?'(.*?)'\s*?;$/si;
3049                         foreach my $distribution (keys %{$hash}) {
3050                                 if(exists($insert_hash->{$distribution}->{$package}->{$version})) {
3051                                         # update the insertion hash to execute only one query per package (insert instead insert+update)
3052                                         @{$insert_hash->{$distribution}->{$package}->{$version}}[5]= $template;
3053                                 } elsif(exists($hash->{$distribution}->{$package}->{$version})) {
3054                                         if( ! (@{$hash->{$distribution}->{$package}->{$version}}[5] eq $template)) {
3055                                                 my $section;
3056                                                 my $description;
3057                                                 if(defined(@{$update_hash->{$distribution}->{$package}->{$version}}[3]) and
3058                                                         length(@{$update_hash->{$distribution}->{$package}->{$version}}[3]) > 0 ) {
3059                                                         $section= @{$update_hash->{$distribution}->{$package}->{$version}}[3];
3060                                                 }
3061                                                 if(defined(@{$update_hash->{$distribution}->{$package}->{$version}}[4])) {
3062                                                         $description= @{$update_hash->{$distribution}->{$package}->{$version}}[4];
3063                                                 }
3064                                                 @{$update_hash->{$distribution}->{$package}->{$version}} = ($distribution,$package,$version,$section,$description,$template);
3065                                         }
3066                                 }
3067                         }
3068                 }
3069         }
3071         # Check for orphaned entries
3072         foreach my $existing_entry (@existing_entries) {
3073                 my $distribution= @{$existing_entry}[0];
3074                 my $package= @{$existing_entry}[1];
3075                 my $version= @{$existing_entry}[2];
3076                 my $section= @{$existing_entry}[3];
3078                 if(
3079                         exists($insert_hash->{$distribution}->{$package}->{$version}) ||
3080                         exists($update_hash->{$distribution}->{$package}->{$version}) ||
3081                         exists($known_packages_hash->{$distribution}->{$package}->{$version})
3082                 ) {
3083                         next;
3084                 } else {
3085                         # Insert entry to delete hash
3086                         @{$delete_hash->{$distribution}->{$package}->{$version}} = ($distribution,$package,$version,$section);
3087                 }
3088         }
3090         # unroll the insert hash
3091         foreach my $distribution (keys %{$insert_hash}) {
3092                 foreach my $package (keys %{$insert_hash->{$distribution}}) {
3093                         foreach my $version (keys %{$insert_hash->{$distribution}->{$package}}) {
3094                                 push @new_statement_list, "INSERT INTO $main::packages_list_tn VALUES ('$distribution','$package','$version',"
3095                                 ."'@{$insert_hash->{$distribution}->{$package}->{$version}}[3]',"
3096                                 ."'@{$insert_hash->{$distribution}->{$package}->{$version}}[4]',"
3097                                 ."'@{$insert_hash->{$distribution}->{$package}->{$version}}[5]',"
3098                                 ."'$local_timestamp')";
3099                         }
3100                 }
3101         }
3103         # unroll the update hash
3104         foreach my $distribution (keys %{$update_hash}) {
3105                 foreach my $package (keys %{$update_hash->{$distribution}}) {
3106                         foreach my $version (keys %{$update_hash->{$distribution}->{$package}}) {
3107                                 my $set = "";
3108                                 if(defined(@{$update_hash->{$distribution}->{$package}->{$version}}[3])) {
3109                                         $set .= "section = '@{$update_hash->{$distribution}->{$package}->{$version}}[3]', ";
3110                                 }
3111                                 if(defined(@{$update_hash->{$distribution}->{$package}->{$version}}[4])) {
3112                                         $set .= "description = '@{$update_hash->{$distribution}->{$package}->{$version}}[4]', ";
3113                                 }
3114                                 if(defined(@{$update_hash->{$distribution}->{$package}->{$version}}[5])) {
3115                                         $set .= "template = '@{$update_hash->{$distribution}->{$package}->{$version}}[5]', ";
3116                                 }
3117                                 if(defined($set) and length($set) > 0) {
3118                                         $set .= "timestamp = '$local_timestamp'";
3119                                 } else {
3120                                         next;
3121                                 }
3122                                 push @new_statement_list, 
3123                                 "UPDATE $main::packages_list_tn SET $set WHERE"
3124                                 ." distribution = '$distribution'"
3125                                 ." AND package = '$package'"
3126                                 ." AND version = '$version'";
3127                         }
3128                 }
3129         }
3130         
3131         # unroll the delete hash
3132         foreach my $distribution (keys %{$delete_hash}) {
3133                 foreach my $package (keys %{$delete_hash->{$distribution}}) {
3134                         foreach my $version (keys %{$delete_hash->{$distribution}->{$package}}) {
3135                                 my $section = @{$delete_hash->{$distribution}->{$package}->{$version}}[3];
3136                                 push @new_statement_list, "DELETE FROM $main::packages_list_tn WHERE distribution='$distribution' AND package='$package' AND version='$version' AND section='$section'";
3137                         }
3138                 }
3139         }
3141         unshift(@new_statement_list, "VACUUM");
3143         @packages_list_statements = @new_statement_list;
3147 sub parse_package_info {
3148     my ($baseurl, $dist, $section, $session_id)= @_;
3149     my ($package);
3150     if (not defined $session_id) { $session_id = 0; }
3151     my ($path) = ($baseurl =~ m%://[^/]*(.*)$%);
3152     $repo_dirs{ "${repo_path}/pool" } = 1;
3154     foreach $package ("Packages.gz"){
3155         daemon_log("$session_id DEBUG: create_packages_list: fetch $baseurl, $dist, $section", 266);
3156         get_package( "$baseurl/dists/$dist/$section/binary-$arch/$package", "$outdir/$dist/$section", $session_id );
3157         parse_package( "$outdir/$dist/$section", $dist, $path, $session_id );
3158     }
3159     
3163 sub get_package {
3164     my ($url, $dest, $session_id)= @_;
3165     if (not defined $session_id) { $session_id = 0; }
3167     my $tpath = dirname($dest);
3168     -d "$tpath" || mkpath "$tpath";
3170     # This is ugly, but I've no time to take a look at "how it works in perl"
3171     if(0 == system("wget '$url' -O '$dest' 2>/dev/null") ) {
3172         system("gunzip -cd '$dest' > '$dest.in'");
3173         daemon_log("$session_id DEBUG: run command: gunzip -cd '$dest' > '$dest.in'", 266);
3174         unlink($dest);
3175         daemon_log("$session_id DEBUG: delete file '$dest'", 266); 
3176     } else {
3177         daemon_log("$session_id ERROR: create_packages_list_db: get_packages: fetching '$url' into '$dest' failed!", 1);
3178     }
3179     return 0;
3183 sub parse_package {
3184     my ($path, $dist, $srv_path, $session_id)= @_;
3185     if (not defined $session_id) { $session_id = 0;}
3186     my ($package, $version, $section, $description);
3187     my $timestamp = &get_time();
3189     if(not stat("$path.in")) {
3190         daemon_log("$session_id ERROR: create_packages_list: parse_package: file '$path.in' is not readable",1);
3191         return;
3192     }
3194     open(my $PACKAGES, "<", "$path.in");
3195     if(not defined($PACKAGES)) {
3196         daemon_log("$session_id ERROR: create_packages_list_db: parse_package: cannot open '$path.in'",1); 
3197         return;
3198     }
3200     # Read lines
3201     while (<$PACKAGES>){
3202         my $line = $_;
3203         # Unify
3204         chop($line);
3206         # Use empty lines as a trigger
3207         if ($line =~ /^\s*$/){
3208             my $sql = "INSERT INTO packages_list VALUES ('$dist', '$package', '$version', '$section', '$description', '', '$timestamp')";
3209             push(@packages_list_statements, $sql);
3210             $package = "none";
3211             $version = "none";
3212             $section = "none";
3213             $description = "none"; 
3214             next;
3215         }
3217         # Trigger for package name
3218         if ($line =~ /^Package:\s/){
3219             ($package)= ($line =~ /^Package: (.*)$/);
3220             next;
3221         }
3223         # Trigger for version
3224         if ($line =~ /^Version:\s/){
3225             ($version)= ($line =~ /^Version: (.*)$/);
3226             next;
3227         }
3229         # Trigger for description
3230         if ($line =~ /^Description:\s/){
3231             ($description)= &encode_base64(($line =~ /^Description: (.*)$/));
3232             next;
3233         }
3235         # Trigger for section
3236         if ($line =~ /^Section:\s/){
3237             ($section)= ($line =~ /^Section: (.*)$/);
3238             next;
3239         }
3241         # Trigger for filename
3242         if ($line =~ /^Filename:\s/){
3243             my ($filename) = ($line =~ /^Filename: (.*)$/);
3244             store_fileinfo( $package, $filename, $dist, $srv_path, $version, $repo_path );
3245             next;
3246         }
3247     }
3249     close( $PACKAGES );
3250     unlink( "$path.in" );
3254 sub store_fileinfo {
3255     my( $package, $file, $dist, $path, $vers, $srvdir) = @_;
3257     my %fileinfo = (
3258         'package' => $package,
3259         'dist' => $dist,
3260         'version' => $vers,
3261     );
3263     $repo_files{ "${srvdir}/$file" } = \%fileinfo;
3267 sub cleanup_and_extract {
3268         my $fileinfo = $repo_files{ $File::Find::name };
3270         if( defined $fileinfo ) {
3271                 my $dir = "$outdir/$fileinfo->{ 'dist' }/debconf.d";
3272                 my $sql;
3273                 my $package = $fileinfo->{ 'package' };
3274                 my $newver = $fileinfo->{ 'version' };
3276                 mkpath($dir);
3277                 system( "dpkg -e '$File::Find::name' '$dir/DEBIAN'" );
3279                 if( -f "$dir/DEBIAN/templates" ) {
3281                         daemon_log("0 DEBUG: Found debconf templates in '$package' - $newver", 266);
3283                         my $tmpl= ""; {
3284                                 local $/=undef;
3285                                 open(my $FILE, "$dir/DEBIAN/templates");
3286                                 $tmpl = &encode_base64(<$FILE>);
3287                                 close($FILE);
3288                         }
3289                         rmtree("$dir/DEBIAN/templates");
3291                         $sql= "update $main::packages_list_tn set template = '$tmpl' where package = '$package' and version = '$newver';";
3292                         push @packages_list_statements, $sql;
3293                 }
3294         }
3296         return;
3300 sub prepare_server_registration 
3302         # Add foreign server from cfg file
3303         my @foreign_server_list;
3304         if ($foreign_server_string ne "") {
3305             my @cfg_foreign_server_list = split(",", $foreign_server_string);
3306             foreach my $foreign_server (@cfg_foreign_server_list) {
3307                 push(@foreign_server_list, $foreign_server);
3308             }
3309         
3310             daemon_log("0 INFO: found foreign server in config file: ".join(", ", @foreign_server_list), 5);
3311         }
3312         
3313         # Perform a DNS lookup for server registration if flag is true
3314         if ($dns_lookup eq "true") {
3315             # Add foreign server from dns
3316             my @tmp_servers;
3317             if (not $server_domain) {
3318                 # Try our DNS Searchlist
3319                 for my $domain(get_dns_domains()) {
3320                     chomp($domain);
3321                     my ($tmp_domains, $error_string) = &get_server_addresses($domain);
3322                     if(@$tmp_domains) {
3323                         for my $tmp_server(@$tmp_domains) {
3324                             push @tmp_servers, $tmp_server;
3325                         }
3326                     }
3327                 }
3328                 if(@tmp_servers && length(@tmp_servers)==0) {
3329                     daemon_log("0 WARNING: no foreign gosa-si-server found in DNS for domain '$server_domain'", 3);
3330                 }
3331             } else {
3332                 @tmp_servers = &get_server_addresses($server_domain);
3333                 if( 0 == @tmp_servers ) {
3334                     daemon_log("0 WARNING: no foreign gosa-si-server found in DNS for domain '$server_domain'", 3);
3335                 }
3336             }
3337         
3338             daemon_log("0 INFO: found foreign server via DNS ".join(", ", @tmp_servers), 5);    
3339         
3340             foreach my $server (@tmp_servers) { 
3341                 unshift(@foreign_server_list, $server); 
3342             }
3343         } else {
3344             daemon_log("0 INFO: DNS lookup for server registration is disabled", 5);
3345         }
3346         
3347         # eliminate duplicate entries
3348         @foreign_server_list = &del_doubles(@foreign_server_list);
3349         my $all_foreign_server = join(", ", @foreign_server_list);
3350         daemon_log("0 INFO: found foreign server in config file and DNS: '$all_foreign_server'", 5);
3351         
3352         # add all found foreign servers to known_server
3353         my $cur_timestamp = &get_time();
3354         foreach my $foreign_server (@foreign_server_list) {
3355         
3356                 # do not add myself to known_server_db
3357                 if (&is_local($foreign_server)) { next; }
3358                 ######################################
3359         
3360             my $res = $known_server_db->add_dbentry( {table=>$known_server_tn, 
3361                     primkey=>['hostname'],
3362                     hostname=>$foreign_server,
3363                     macaddress=>"",
3364                     status=>'not_yet_registered',
3365                     hostkey=>"none",
3366                     loaded_modules => "none", 
3367                     timestamp=>$cur_timestamp,
3368                                 update_time=>'19700101000000',
3369                     } );
3370         }
3373 sub register_at_foreign_servers {   
3374     my ($kernel) = $_[KERNEL];
3376         # Update status and update-time of all si-server with expired update_time and 
3377         # block them for race conditional registration processes of other si-servers.
3378         my $act_time = &get_time();
3379         my $block_statement = "UPDATE $known_server_tn SET status='new_server',update_time='19700101000000' WHERE (CAST(update_time AS UNSIGNED))<$act_time ";
3380         my $block_res = $known_server_db->exec_statement($block_statement);
3382         # Fetch all si-server from db where update_time is younger than act_time
3383         my $fetch_statement = "SELECT * FROM $known_server_tn WHERE update_time='19700101000000'"; 
3384         my $fetch_res = $known_server_db->exec_statement($fetch_statement);
3386     # Detect already connected clients. Will be added to registration msg later. 
3387     my $client_sql = "SELECT * FROM $known_clients_tn"; 
3388     my $client_res = $known_clients_db->exec_statement($client_sql);
3390         # Send registration messag to all fetched si-server
3391     foreach my $hit (@$fetch_res) {
3392         my $hostname = @$hit[0];
3393         my $hostkey = &create_passwd;
3395         # Add already connected clients to registration message 
3396         my $myhash = &create_xml_hash('new_server', $server_address, $hostname);
3397         &add_content2xml_hash($myhash, 'key', $hostkey);
3398         map(&add_content2xml_hash($myhash, 'client', @{$_}[0].",".@{$_}[4]), @$client_res);
3400         # Add locally loaded gosa-si modules to registration message
3401         my $loaded_modules = {};
3402         while (my ($package, $pck_info) = each %$known_modules) {
3403                         next if ((!defined(@$pck_info[2])) || (!(ref (@$pck_info[2]) eq 'HASH')));
3404                         foreach my $act_module (keys(%{@$pck_info[2]})) {
3405                                 $loaded_modules->{$act_module} = ""; 
3406                         }
3407                 }
3408         map(&add_content2xml_hash($myhash, "loaded_modules", $_), keys(%$loaded_modules));
3410         # Add macaddress to registration message
3411         my ($host_ip, $host_port) = split(/:/, $hostname);
3412         my $local_ip = &get_local_ip_for_remote_ip($host_ip);
3413         my $network_interface= &get_interface_for_ip($local_ip);
3414         my $host_mac = &get_mac_for_interface($network_interface);
3415         &add_content2xml_hash($myhash, 'macaddress', $host_mac);
3416         
3417         # Build registration message and send it
3418         my $foreign_server_msg = &create_xml_string($myhash);
3419         my $error = &send_msg_to_target($foreign_server_msg, $hostname, $ServerPackages_key, "new_server", 0); 
3420     }
3423         # After n sec perform a check of all server registration processes
3424     $kernel->delay_set("control_server_registration", 2); 
3426         return;
3430 sub control_server_registration {
3431         my ($kernel) = $_[KERNEL];
3432         
3433         # Check if all registration processes succeed or not
3434         my $select_statement = "SELECT * FROM $known_server_tn WHERE status='new_server'"; 
3435         my $select_res = $known_server_db->exec_statement($select_statement);
3437         # If at least one registration process failed, maybe in case of a race condition
3438         # with a foreign registration process
3439         if (@$select_res > 0) 
3440         {
3441                 # Release block statement 'new_server' to make the server accessible
3442                 # for foreign registration processes
3443                 my $update_statement = "UPDATE $known_server_tn SET status='waiting' WHERE status='new_server'";        
3444                 my $update_res = $known_server_db->exec_statement($update_statement);
3446                 # Set a random delay to avoid the registration race condition
3447                 my $new_foreign_servers_register_delay = int(rand(4))+1;
3448                 $kernel->delay_set("register_at_foreign_servers", $new_foreign_servers_register_delay);
3449         }
3450         # If all registration processes succeed
3451         else
3452         {
3453                 $kernel->delay_set("register_at_foreign_servers", $foreign_servers_register_delay);
3454         }
3456         return;
3460 #==== MAIN = main ==============================================================
3461 #  parse commandline options
3462 Getopt::Long::Configure( "bundling" );
3463 GetOptions("h|help" => \&usage,
3464         "c|config=s" => \$cfg_file,
3465         "f|foreground" => \$foreground,
3466         "v|verbose+" => \$verbose,
3467         "no-arp+" => \$no_arp,
3468                 "d=s" => \$debug_parts,
3469            ) or &usage("", 1); 
3471 #  read and set config parameters
3472 &check_cmdline_param ;
3473 &read_configfile($cfg_file, %cfg_defaults);
3474 &check_pid;
3476 $SIG{CHLD} = 'IGNORE';
3478 # forward error messages to logfile
3479 if( ! $foreground ) {
3480   open( STDIN,  '+>/dev/null' );
3481   open( STDOUT, '+>&STDIN'    );
3482   open( STDERR, '+>&STDIN'    );
3485 # Just fork, if we are not in foreground mode
3486 if( ! $foreground ) { 
3487     chdir '/'                 or die "Can't chdir to /: $!";
3488     $pid = fork;
3489     setsid                    or die "Can't start a new session: $!";
3490     umask 0;
3491 } else { 
3492     $pid = $$; 
3495 # Do something useful - put our PID into the pid_file
3496 if( 0 != $pid ) {
3497     open( my $LOCK_FILE, ">", "$pid_file" );
3498     print $LOCK_FILE "$pid\n";
3499     close( $LOCK_FILE );
3500     if( !$foreground ) { 
3501         exit( 0 ) 
3502     };
3505 # parse head url and revision from svn
3506 my $server_status_hash = { 'developmental'=>'revision', 'stable'=>'release'};
3507 $server_version =~ /^\$HeadURL: (\S+) \$:\$Rev: (\d+) \$$/;
3508 $server_headURL = defined $1 ? $1 : 'unknown' ;
3509 $server_revision = defined $2 ? $2 : 'unknown' ;
3510 if ($server_headURL =~ /\/tag\// || 
3511         $server_headURL =~ /\/branches\// ) {
3512     $server_status = "stable"; 
3513 } else {
3514     $server_status = "developmental" ;
3516 # Prepare log file and set permissions
3517 $root_uid = getpwnam('root');
3518 $adm_gid = getgrnam('adm');
3519 open(my $FH, ">>", "$log_file");
3520 close($FH);
3521 chmod(0440, $log_file);
3522 chown($root_uid, $adm_gid, $log_file);
3523 chown($root_uid, $adm_gid, "/var/lib/gosa-si");
3525 daemon_log(" ", 1);
3526 daemon_log("$0 started!", 1);
3527 daemon_log("status: $server_status", 1);
3528 daemon_log($server_status_hash->{$server_status}.": $server_revision", 1); 
3530 # Buildup data bases
3532     no strict "refs";
3534     if ($db_module eq "DBmysql") {
3536         daemon_log("0 INFO: importing database module '$db_module'", 1);
3538         # connect to incoming_db
3539         $incoming_db = ("GOSA::".$db_module)->new($main::mysql_database, $main::mysql_host, $main::mysql_username, $main::mysql_password);
3541         # connect to gosa-si job queue
3542         $job_db = ("GOSA::".$db_module)->new($main::mysql_database, $main::mysql_host, $main::mysql_username, $main::mysql_password);
3544         # connect to known_clients_db
3545         $known_clients_db = ("GOSA::".$db_module)->new($main::mysql_database, $main::mysql_host, $main::mysql_username, $main::mysql_password);
3547         # connect to foreign_clients_db
3548         $foreign_clients_db = ("GOSA::".$db_module)->new($main::mysql_database, $main::mysql_host, $main::mysql_username, $main::mysql_password);
3550         # connect to known_server_db
3551         $known_server_db = ("GOSA::".$db_module)->new($main::mysql_database, $main::mysql_host, $main::mysql_username, $main::mysql_password);
3553         # connect to login_usr_db
3554         $login_users_db = ("GOSA::".$db_module)->new($main::mysql_database, $main::mysql_host, $main::mysql_username, $main::mysql_password);
3556         # connect to fai_server_db 
3557         $fai_server_db = ("GOSA::".$db_module)->new($main::mysql_database, $main::mysql_host, $main::mysql_username, $main::mysql_password);
3559         # connect to fai_release_db
3560         $fai_release_db = ("GOSA::".$db_module)->new($main::mysql_database, $main::mysql_host, $main::mysql_username, $main::mysql_password);
3562         # connect to packages_list_db
3563         $packages_list_db = ("GOSA::".$db_module)->new($main::mysql_database, $main::mysql_host, $main::mysql_username, $main::mysql_password);
3565         # connect to messaging_db
3566         $messaging_db = ("GOSA::".$db_module)->new($main::mysql_database, $main::mysql_host, $main::mysql_username, $main::mysql_password);
3568     } elsif ($db_module eq "DBsqlite") {
3570         daemon_log("0 INFO: importing database module '$db_module'", 1);
3572         # connect to incoming_db
3573         unlink($incoming_file_name);
3574         $incoming_db = GOSA::DBsqlite->new($incoming_file_name);
3575         chmod(0640, $incoming_file_name);
3576         chown($root_uid, $adm_gid, $incoming_file_name);
3577         
3578         # connect to gosa-si job queue
3579         $job_db = GOSA::DBsqlite->new($job_queue_file_name);
3580         chmod(0640, $job_queue_file_name);
3581         chown($root_uid, $adm_gid, $job_queue_file_name);
3582         
3583         # connect to known_clients_db
3584         #unlink($known_clients_file_name);
3585         $known_clients_db = GOSA::DBsqlite->new($known_clients_file_name);
3586         chmod(0640, $known_clients_file_name);
3587         chown($root_uid, $adm_gid, $known_clients_file_name);
3588         
3589         # connect to foreign_clients_db
3590         #unlink($foreign_clients_file_name);
3591         $foreign_clients_db = GOSA::DBsqlite->new($foreign_clients_file_name);
3592         chmod(0640, $foreign_clients_file_name);
3593         chown($root_uid, $adm_gid, $foreign_clients_file_name);
3594         
3595         # connect to known_server_db
3596         unlink($known_server_file_name);   # do not delete, gosa-si-server should be forced to check config file and dns at each start
3597         $known_server_db = GOSA::DBsqlite->new($known_server_file_name);
3598         chmod(0640, $known_server_file_name);
3599         chown($root_uid, $adm_gid, $known_server_file_name);
3600         
3601         # connect to login_usr_db
3602         #unlink($login_users_file_name);
3603         $login_users_db = GOSA::DBsqlite->new($login_users_file_name);
3604         chmod(0640, $login_users_file_name);
3605         chown($root_uid, $adm_gid, $login_users_file_name);
3606         
3607         # connect to fai_server_db
3608         unlink($fai_server_file_name);
3609         $fai_server_db = GOSA::DBsqlite->new($fai_server_file_name);
3610         chmod(0640, $fai_server_file_name);
3611         chown($root_uid, $adm_gid, $fai_server_file_name);
3612         
3613         # connect to fai_release_db
3614         unlink($fai_release_file_name);
3615         $fai_release_db = GOSA::DBsqlite->new($fai_release_file_name);
3616         chmod(0640, $fai_release_file_name);
3617         chown($root_uid, $adm_gid, $fai_release_file_name);
3618         
3619         # connect to packages_list_db
3620         unlink($packages_list_under_construction);
3621         $packages_list_db = GOSA::DBsqlite->new($packages_list_file_name);
3622         chmod(0640, $packages_list_file_name);
3623         chown($root_uid, $adm_gid, $packages_list_file_name);
3624         
3625         # connect to messaging_db
3626         #unlink($messaging_file_name);
3627         $messaging_db = GOSA::DBsqlite->new($messaging_file_name);
3628         chmod(0640, $messaging_file_name);
3629         chown($root_uid, $adm_gid, $messaging_file_name);
3630     }
3633 # Creating tables
3635 daemon_log("0 INFO: creating tables in database with '$db_module'", 1);
3637 $messaging_db->create_table($messaging_tn, \@messaging_col_names);
3638 $packages_list_db->create_table($packages_list_tn, \@packages_list_col_names);
3639 $fai_release_db->create_table($fai_release_tn, \@fai_release_col_names);
3640 $fai_server_db->create_table($fai_server_tn, \@fai_server_col_names);
3641 $login_users_db->create_table($login_users_tn, \@login_users_col_names);
3642 $known_server_db->create_table($known_server_tn, \@known_server_col_names);
3643 $foreign_clients_db->create_table($foreign_clients_tn, \@foreign_clients_col_names);
3644 $known_clients_db->create_table($known_clients_tn, \@known_clients_col_names);
3645 $incoming_db->create_table($incoming_tn, \@incoming_col_names);
3646 $job_db->create_table($job_queue_tn, \@job_queue_col_names);
3648 # create xml object used for en/decrypting
3649 $xml = new XML::Simple();
3651 # Import all modules
3652 &import_modules;
3654 # Check wether all modules are gosa-si valid passwd check
3655 &password_check;
3657 # Check DNS and config file for server registration
3658 if ($serverPackages_enabled eq "true") { &prepare_server_registration; }
3660 # Create functions hash
3661 while (my ($module, @mod_info) = each %$known_modules) 
3663         while (my ($plugin, $functions) = each %{$mod_info[0][2]})
3664         {
3665                 while (my ($function, $nothing) = each %$functions )
3666                 {
3667                         $known_functions->{$function} = $nothing;
3668                 }
3669         }
3672 # Prepare for using Opsi 
3673 if ($opsi_enabled eq "true") {
3674     use JSON::RPC::Client;
3675     use XML::Quote qw(:all);
3676     $opsi_url= "https://".$opsi_admin.":".$opsi_password."@".$opsi_server.":4447/rpc";
3677     $opsi_client = new JSON::RPC::Client;
3681 POE::Component::Server::TCP->new(
3682         Alias => "TCP_SERVER",
3683         Port => $server_port,
3684         ClientInput => sub {
3685                 my ($kernel, $input, $heap, $session) = @_[KERNEL, ARG0, HEAP, SESSION];
3686         my $session_id = $session->ID;
3687                 if ($input =~ /;([\d\.]+):([\d]+)$/) 
3688                 {
3689                         # Messages from other servers should be blocked if config option is set
3690                         if (($2 eq $server_port) && ($serverPackages_enabled eq "false"))
3691                         {
3692                                 return;
3693                         }
3694                         &daemon_log("$session_id DEBUG: incoming message from '$1:$2'", 11);
3695                 }
3696                 else
3697                 {
3698                         my $remote_ip = $heap->{'remote_ip'};
3699                         &daemon_log("$session_id DEBUG: incoming message from '$remote_ip'", 11);
3700                 }
3701                 push(@msgs_to_decrypt, $input);
3702                 $kernel->yield("msg_to_decrypt");
3703         },
3704         InlineStates => {
3705                 msg_to_decrypt => \&msg_to_decrypt,
3706                 watch_for_next_tasks => \&watch_for_next_tasks,
3707                 next_task => \&next_task,
3708                 task_result => \&handle_task_result,
3709                 task_done   => \&handle_task_done,
3710                 task_debug  => \&handle_task_debug,
3711                 child_reap => sub { "Do nothing special. I'm just a comment, but i'm necessary!"  },
3712         }
3713 );
3715 daemon_log("0 INFO: start socket for incoming xml messages at port '$server_port' ", 1);
3717 # create session for repeatedly checking the job queue for jobs
3718 POE::Session->create(
3719         inline_states => {
3720                 _start => \&session_start,
3721         register_at_foreign_servers => \&register_at_foreign_servers,
3722                 control_server_registration => \&control_server_registration,
3723         sig_handler => \&sig_handler,
3724         next_task => \&next_task,
3725         task_result => \&handle_task_result,
3726         task_done   => \&handle_task_done,
3727         task_debug  => \&handle_task_debug,
3728         watch_for_new_messages => \&watch_for_new_messages,
3729         watch_for_delivery_messages => \&watch_for_delivery_messages,
3730         watch_for_done_messages => \&watch_for_done_messages,
3731                 watch_for_new_jobs => \&watch_for_new_jobs,
3732         watch_for_modified_jobs => \&watch_for_modified_jobs,
3733         watch_for_done_jobs => \&watch_for_done_jobs,
3734         watch_for_opsi_jobs => \&watch_for_opsi_jobs,
3735         watch_for_old_known_clients => \&watch_for_old_known_clients,
3736         create_packages_list_db => \&run_create_packages_list_db,
3737         create_fai_server_db => \&run_create_fai_server_db,
3738         create_fai_release_db => \&run_create_fai_release_db,
3739                 recreate_packages_db => \&run_recreate_packages_db,
3740         session_run_result => \&session_run_result,
3741         session_run_debug => \&session_run_debug,
3742         session_run_done => \&session_run_done,
3743         child_reap => sub { "Do nothing special. I'm just a comment, but i'm necessary!"  },
3744         }
3745 );
3748 POE::Kernel->run();
3749 exit;