gosa-si/gosa-si-server

   1 #!/usr/bin/perl
   2 #===============================================================================
   3 #
   4 #         FILE:  gosa-sd
   5 #
   6 #        USAGE:  ./gosa-sd
   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 #===============================================================================
  22
  23
  24 use strict;
  25 use warnings;
  26 use Getopt::Long;
  27 use Config::IniFiles;
  28 use POSIX;
  29
  30 use Fcntl;
  31 use IO::Socket::INET;
  32 use IO::Handle;
  33 use IO::Select;
  34 use Symbol qw(qualify_to_ref);
  35 use Crypt::Rijndael;
  36 use MIME::Base64;
  37 use Digest::MD5  qw(md5 md5_hex md5_base64);
  38 use XML::Simple;
  39 use Data::Dumper;
  40 use Sys::Syslog qw( :DEFAULT setlogsock);
  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::DBsqlite;
  48 use GOSA::GosaSupportDaemon;
  49 use POE qw(Component::Server::TCP Wheel::Run Filter::Reference);
  50 use Net::LDAP;
  51 use Net::LDAP::Util qw(:escape);
  52
  53 my $modules_path = "/usr/lib/gosa-si/modules";
  54 use lib "/usr/lib/gosa-si/modules";
  55
  56 # TODO es gibt eine globale funktion get_ldap_handle
  57 # - ist in einer session dieses ldap handle schon vorhanden, wird es zurückgegeben
  58 # - ist es nicht vorhanden, wird es erzeugt, im heap für spätere ldap anfragen gespeichert und zurückgegeben
  59 # - sessions die kein ldap handle brauchen, sollen auch keins haben
  60 # - wird eine session geschlossen, muss das ldap verbindung vorher beendet werden
  61 our $global_kernel;
  62
  63 my (%cfg_defaults, $foreground, $verbose, $ping_timeout);
  64 my ($bus_activ, $bus, $msg_to_bus, $bus_cipher);
  65 my ($server);
  66 my ($gosa_server, $job_queue_timeout, $job_queue_loop_delay);
  67 my ($messaging_db_loop_delay);
  68 my ($known_modules);
  69 my ($pid_file, $procid, $pid, $log_file);
  70 my ($arp_activ, $arp_fifo);
  71 my ($xml);
  72 my $sources_list;
  73 my $max_clients;
  74 my %repo_files=();
  75 my $repo_path;
  76 my %repo_dirs=();
  77 # variables declared in config file are always set to 'our'
  78 our (%cfg_defaults, $log_file, $pid_file,
  79     $server_ip, $server_port, $SIPackages_key,
  80     $arp_activ, $gosa_unit_tag,
  81     $GosaPackages_key, $gosa_ip, $gosa_port, $gosa_timeout,
  82 );
  83
  84 # additional variable which should be globaly accessable
  85 our $server_address;
  86 our $server_mac_address;
  87 our $bus_address;
  88 our $gosa_address;
  89 our $no_bus;
  90 our $no_arp;
  91 our $verbose;
  92 our $forground;
  93 our $cfg_file;
  94 #our ($ldap_handle, $ldap_uri, $ldap_base, $ldap_admin_dn, $ldap_admin_password, $ldap_server_dn);
  95 our ($ldap_uri, $ldap_base, $ldap_admin_dn, $ldap_admin_password, $ldap_server_dn);
  96
  97
  98 # specifies the verbosity of the daemon_log
  99 $verbose = 0 ;
 100
 101 # if foreground is not null, script will be not forked to background
 102 $foreground = 0 ;
 103
 104 # specifies the timeout seconds while checking the online status of a registrating client
 105 $ping_timeout = 5;
 106
 107 $no_bus = 0;
 108 $bus_activ = "true";
 109 $no_arp = 0;
 110 my $packages_list_under_construction = "/tmp/packages_list_creation_in_progress";
 111 my @packages_list_statements;
 112 my $watch_for_new_jobs_in_progress = 0;
 113
 114 our $prg= basename($0);
 115
 116 # holds all gosa jobs
 117 our $job_db;
 118 our $job_queue_tn = 'jobs';
 119 my $job_queue_file_name;
 120 my @job_queue_col_names = ("id INTEGER PRIMARY KEY",
 121                 "timestamp DEFAULT 'none'",
 122                 "status DEFAULT 'none'",
 123                 "result DEFAULT 'none'",
 124                 "progress DEFAULT 'none'",
 125         "headertag DEFAULT 'none'",
 126                 "targettag DEFAULT 'none'",
 127                 "xmlmessage DEFAULT 'none'",
 128                 "macaddress DEFAULT 'none'",
 129                 "plainname DEFAULT 'none'",
 130                 );
 131
 132 # holds all other gosa-sd as well as the gosa-sd-bus
 133 our $known_server_db;
 134 our $known_server_tn = "known_server";
 135 my $known_server_file_name;
 136 my @known_server_col_names = ("hostname", "status", "hostkey", "timestamp");
 137
 138 # holds all registrated clients
 139 our $known_clients_db;
 140 our $known_clients_tn = "known_clients";
 141 my $known_clients_file_name;
 142 my @known_clients_col_names = ("hostname", "status", "hostkey", "timestamp", "macaddress", "events");
 143
 144 # holds all logged in user at each client
 145 our $login_users_db;
 146 our $login_users_tn = "login_users";
 147 my $login_users_file_name;
 148 my @login_users_col_names = ("client", "user", "timestamp");
 149
 150 # holds all fai server, the debian release and tag
 151 our $fai_server_db;
 152 our $fai_server_tn = "fai_server";
 153 my $fai_server_file_name;
 154 our @fai_server_col_names = ("timestamp", "server", "release", "sections", "tag");
 155
 156 our $fai_release_db;
 157 our $fai_release_tn = "fai_release";
 158 my $fai_release_file_name;
 159 our @fai_release_col_names = ("timestamp", "release", "class", "type", "state");
 160
 161 # holds all packages available from different repositories
 162 our $packages_list_db;
 163 our $packages_list_tn = "packages_list";
 164 my $packages_list_file_name;
 165 our @packages_list_col_names = ("distribution", "package", "version", "section", "description", "template", "timestamp");
 166 my $outdir = "/tmp/packages_list_db";
 167 my $arch = "i386";
 168
 169 # holds all messages which should be delivered to a user
 170 our $messaging_db;
 171 our $messaging_tn = "messaging";
 172 our @messaging_col_names = ("id INTEGER", "subject", "message_from", "message_to",
 173         "flag", "direction", "delivery_time", "message", "timestamp" );
 174 my $messaging_file_name;
 175
 176 # path to directory to store client install log files
 177 our $client_fai_log_dir = "/var/log/fai";
 178
 179 # queue which stores taskes until one of the $max_children children are ready to process the task
 180 my @tasks = qw();
 181 my $max_children = 2;
 182
 183
 184 %cfg_defaults = (
 185 "general" => {
 186     "log-file" => [\$log_file, "/var/run/".$prg.".log"],
 187     "pid-file" => [\$pid_file, "/var/run/".$prg.".pid"],
 188     },
 189 "bus" => {
 190     "activ" => [\$bus_activ, "true"],
 191     },
 192 "server" => {
 193     "port" => [\$server_port, "20081"],
 194     "known-clients" => [\$known_clients_file_name, '/var/lib/gosa-si/clients.db' ],
 195     "known-servers" => [\$known_server_file_name, '/var/lib/gosa-si/servers.db'],
 196     "login-users" => [\$login_users_file_name, '/var/lib/gosa-si/users.db'],
 197     "fai-server" => [\$fai_server_file_name, '/var/lib/gosa-si/fai_server.db'],
 198     "fai-release" => [\$fai_release_file_name, '/var/lib/gosa-si/fai_release.db'],
 199     "packages-list" => [\$packages_list_file_name, '/var/lib/gosa-si/packages.db'],
 200     "messaging" => [\$messaging_file_name, '/var/lib/gosa-si/messaging.db'],
 201     "source-list" => [\$sources_list, '/etc/apt/sources.list'],
 202     "repo-path" => [\$repo_path, '/srv/www/repository'],
 203     "ldap-uri" => [\$ldap_uri, ""],
 204     "ldap-base" => [\$ldap_base, ""],
 205     "ldap-admin-dn" => [\$ldap_admin_dn, ""],
 206     "ldap-admin-password" => [\$ldap_admin_password, ""],
 207     "gosa-unit-tag" => [\$gosa_unit_tag, ""],
 208     "max-clients" => [\$max_clients, 10],
 209     },
 210 "GOsaPackages" => {
 211     "ip" => [\$gosa_ip, "0.0.0.0"],
 212     "port" => [\$gosa_port, "20082"],
 213     "job-queue" => [\$job_queue_file_name, '/var/lib/gosa-si/jobs.db'],
 214     "job-queue-loop-delay" => [\$job_queue_loop_delay, 3],
 215     "messaging-db-loop-delay" => [\$messaging_db_loop_delay, 3],
 216     "key" => [\$GosaPackages_key, "none"],
 217     },
 218 "SIPackages" => {
 219     "key" => [\$SIPackages_key, "none"],
 220     },
 221 );
 222
 223
 224 #===  FUNCTION  ================================================================
 225 #         NAME:  usage
 226 #   PARAMETERS:  nothing
 227 #      RETURNS:  nothing
 228 #  DESCRIPTION:  print out usage text to STDERR
 229 #===============================================================================
 230 sub usage {
 231     print STDERR << "EOF" ;
 232 usage: $prg [-hvf] [-c config]
 233
 234            -h        : this (help) message
 235            -c <file> : config file
 236            -f        : foreground, process will not be forked to background
 237            -v        : be verbose (multiple to increase verbosity)
 238            -no-bus   : starts $prg without connection to bus
 239            -no-arp   : starts $prg without connection to arp module
 240
 241 EOF
 242     print "\n" ;
 243 }
 244
 245
 246 #===  FUNCTION  ================================================================
 247 #         NAME:  read_configfile
 248 #   PARAMETERS:  cfg_file - string -
 249 #      RETURNS:  nothing
 250 #  DESCRIPTION:  read cfg_file and set variables
 251 #===============================================================================
 252 sub read_configfile {
 253     my $cfg;
 254     if( defined( $cfg_file) && ( (-s $cfg_file) > 0 )) {
 255         if( -r $cfg_file ) {
 256             $cfg = Config::IniFiles->new( -file => $cfg_file );
 257         } else {
 258             print STDERR "Couldn't read config file!\n";
 259         }
 260     } else {
 261         $cfg = Config::IniFiles->new() ;
 262     }
 263     foreach my $section (keys %cfg_defaults) {
 264         foreach my $param (keys %{$cfg_defaults{ $section }}) {
 265             my $pinfo = $cfg_defaults{ $section }{ $param };
 266             ${@$pinfo[ 0 ]} = $cfg->val( $section, $param, @$pinfo[ 1 ] );
 267         }
 268     }
 269 }
 270
 271
 272 #===  FUNCTION  ================================================================
 273 #         NAME:  logging
 274 #   PARAMETERS:  level - string - default 'info'
 275 #                msg - string -
 276 #                facility - string - default 'LOG_DAEMON'
 277 #      RETURNS:  nothing
 278 #  DESCRIPTION:  function for logging
 279 #===============================================================================
 280 sub daemon_log {
 281     # log into log_file
 282     my( $msg, $level ) = @_;
 283     if(not defined $msg) { return }
 284     if(not defined $level) { $level = 1 }
 285     if(defined $log_file){
 286         open(LOG_HANDLE, ">>$log_file");
 287         if(not defined open( LOG_HANDLE, ">>$log_file" )) {
 288             print STDERR "cannot open $log_file: $!";
 289             return }
 290             chomp($msg);
 291                         $msg =~s/\n//g;   # no newlines are allowed in log messages, this is important for later log parsing
 292             if($level <= $verbose){
 293                 my ($seconds, $minutes, $hours, $monthday, $month,
 294                         $year, $weekday, $yearday, $sommertime) = localtime(time);
 295                 $hours = $hours < 10 ? $hours = "0".$hours : $hours;
 296                 $minutes = $minutes < 10 ? $minutes = "0".$minutes : $minutes;
 297                 $seconds = $seconds < 10 ? $seconds = "0".$seconds : $seconds;
 298                 my @monthnames = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
 299                 $month = $monthnames[$month];
 300                 $monthday = $monthday < 10 ? $monthday = "0".$monthday : $monthday;
 301                 $year+=1900;
 302                 my $name = $prg;
 303
 304                 my $log_msg = "$month $monthday $hours:$minutes:$seconds $name $msg\n";
 305                 print LOG_HANDLE $log_msg;
 306                 if( $foreground ) {
 307                     print STDERR $log_msg;
 308                 }
 309             }
 310         close( LOG_HANDLE );
 311     }
 312 }
 313
 314
 315 #===  FUNCTION  ================================================================
 316 #         NAME:  check_cmdline_param
 317 #   PARAMETERS:  nothing
 318 #      RETURNS:  nothing
 319 #  DESCRIPTION:  validates commandline parameter
 320 #===============================================================================
 321 sub check_cmdline_param () {
 322     my $err_config;
 323     my $err_counter = 0;
 324         if(not defined($cfg_file)) {
 325                 $cfg_file = "/etc/gosa-si/server.conf";
 326                 if(! -r $cfg_file) {
 327                         $err_config = "please specify a config file";
 328                         $err_counter += 1;
 329                 }
 330     }
 331     if( $err_counter > 0 ) {
 332         &usage( "", 1 );
 333         if( defined( $err_config)) { print STDERR "$err_config\n"}
 334         print STDERR "\n";
 335         exit( -1 );
 336     }
 337 }
 338
 339
 340 #===  FUNCTION  ================================================================
 341 #         NAME:  check_pid
 342 #   PARAMETERS:  nothing
 343 #      RETURNS:  nothing
 344 #  DESCRIPTION:  handels pid processing
 345 #===============================================================================
 346 sub check_pid {
 347     $pid = -1;
 348     # Check, if we are already running
 349     if( open(LOCK_FILE, "<$pid_file") ) {
 350         $pid = <LOCK_FILE>;
 351         if( defined $pid ) {
 352             chomp( $pid );
 353             if( -f "/proc/$pid/stat" ) {
 354                 my($stat) = `cat /proc/$pid/stat` =~ m/$pid \((.+)\).*/;
 355                 if( $stat ) {
 356                                         daemon_log("ERROR: Already running",1);
 357                     close( LOCK_FILE );
 358                     exit -1;
 359                 }
 360             }
 361         }
 362         close( LOCK_FILE );
 363         unlink( $pid_file );
 364     }
 365
 366     # create a syslog msg if it is not to possible to open PID file
 367     if (not sysopen(LOCK_FILE, $pid_file, O_WRONLY|O_CREAT|O_EXCL, 0644)) {
 368         my($msg) = "Couldn't obtain lockfile '$pid_file' ";
 369         if (open(LOCK_FILE, '<', $pid_file)
 370                 && ($pid = <LOCK_FILE>))
 371         {
 372             chomp($pid);
 373             $msg .= "(PID $pid)\n";
 374         } else {
 375             $msg .= "(unable to read PID)\n";
 376         }
 377         if( ! ($foreground) ) {
 378             openlog( $0, "cons,pid", "daemon" );
 379             syslog( "warning", $msg );
 380             closelog();
 381         }
 382         else {
 383             print( STDERR " $msg " );
 384         }
 385         exit( -1 );
 386     }
 387 }
 388
 389 #===  FUNCTION  ================================================================
 390 #         NAME:  import_modules
 391 #   PARAMETERS:  module_path - string - abs. path to the directory the modules
 392 #                are stored
 393 #      RETURNS:  nothing
 394 #  DESCRIPTION:  each file in module_path which ends with '.pm' and activation
 395 #                state is on is imported by "require 'file';"
 396 #===============================================================================
 397 sub import_modules {
 398     daemon_log(" ", 1);
 399
 400     if (not -e $modules_path) {
 401         daemon_log("ERROR: cannot find directory or directory is not readable: $modules_path", 1);
 402     }
 403
 404     opendir (DIR, $modules_path) or die "ERROR while loading modules from directory $modules_path : $!\n";
 405     while (defined (my $file = readdir (DIR))) {
 406         if (not $file =~ /(\S*?).pm$/) {
 407             next;
 408         }
 409                 my $mod_name = $1;
 410
 411         if( $file =~ /ArpHandler.pm/ ) {
 412             if( $no_arp > 0 ) {
 413                 next;
 414             }
 415         }
 416
 417         eval { require $file; };
 418         if ($@) {
 419             daemon_log("ERROR: gosa-si-server could not load module $file", 1);
 420             daemon_log("$@", 5);
 421                 } else {
 422                         my $info = eval($mod_name.'::get_module_info()');
 423                         # Only load module if get_module_info() returns a non-null object
 424                         if( $info ) {
 425                                 my ($input_address, $input_key, $input, $input_active, $input_type) = @{$info};
 426                                 $known_modules->{$mod_name} = $info;
 427                                 daemon_log("INFO: module $mod_name loaded", 5);
 428                         }
 429                 }
 430     }
 431     close (DIR);
 432 }
 433
 434
 435 #===  FUNCTION  ================================================================
 436 #         NAME:  sig_int_handler
 437 #   PARAMETERS:  signal - string - signal arose from system
 438 #      RETURNS:  noting
 439 #  DESCRIPTION:  handels tasks to be done befor signal becomes active
 440 #===============================================================================
 441 sub sig_int_handler {
 442     my ($signal) = @_;
 443
 444 #       if (defined($ldap_handle)) {
 445 #               $ldap_handle->disconnect;
 446 #       }
 447     # TODO alle verbliebenden ldap verbindungen aus allen heaps beenden
 448
 449
 450     daemon_log("shutting down gosa-si-server", 1);
 451     system("kill `ps -C gosa-si-server -o pid=`");
 452 }
 453 $SIG{INT} = \&sig_int_handler;
 454
 455
 456 sub check_key_and_xml_validity {
 457     my ($crypted_msg, $module_key, $session_id) = @_;
 458     my $msg;
 459     my $msg_hash;
 460     my $error_string;
 461     eval{
 462         $msg = &decrypt_msg($crypted_msg, $module_key);
 463
 464         if ($msg =~ /<xml>/i){
 465             $msg =~ s/\s+/ /g;  # just for better daemon_log
 466             daemon_log("$session_id DEBUG: decrypted_msg: \n$msg", 8);
 467             $msg_hash = $xml->XMLin($msg, ForceArray=>1);
 468
 469             ##############
 470             # check header
 471             if( not exists $msg_hash->{'header'} ) { die "no header specified"; }
 472             my $header_l = $msg_hash->{'header'};
 473             if( 1 > @{$header_l} ) { die 'empty header tag'; }
 474             if( 1 < @{$header_l} ) { die 'more than one header specified'; }
 475             my $header = @{$header_l}[0];
 476             if( 0 == length $header) { die 'empty string in header tag'; }
 477
 478             ##############
 479             # check source
 480             if( not exists $msg_hash->{'source'} ) { die "no source specified"; }
 481             my $source_l = $msg_hash->{'source'};
 482             if( 1 > @{$source_l} ) { die 'empty source tag'; }
 483             if( 1 < @{$source_l} ) { die 'more than one source specified'; }
 484             my $source = @{$source_l}[0];
 485             if( 0 == length $source) { die 'source error'; }
 486
 487             ##############
 488             # check target
 489             if( not exists $msg_hash->{'target'} ) { die "no target specified"; }
 490             my $target_l = $msg_hash->{'target'};
 491             if( 1 > @{$target_l} ) { die 'empty target tag'; }
 492         }
 493     };
 494     if($@) {
 495         daemon_log("$session_id DEBUG: do not understand the message: $@", 7);
 496         $msg = undef;
 497         $msg_hash = undef;
 498     }
 499
 500     return ($msg, $msg_hash);
 501 }
 502
 503
 504 sub check_outgoing_xml_validity {
 505     my ($msg) = @_;
 506
 507     my $msg_hash;
 508     eval{
 509         $msg_hash = $xml->XMLin($msg, ForceArray=>1);
 510
 511         ##############
 512         # check header
 513         my $header_l = $msg_hash->{'header'};
 514         if( 1 != @{$header_l} ) {
 515             die 'no or more than one headers specified';
 516         }
 517         my $header = @{$header_l}[0];
 518         if( 0 == length $header) {
 519             die 'header has length 0';
 520         }
 521
 522         ##############
 523         # check source
 524         my $source_l = $msg_hash->{'source'};
 525         if( 1 != @{$source_l} ) {
 526             die 'no or more than 1 sources specified';
 527         }
 528         my $source = @{$source_l}[0];
 529         if( 0 == length $source) {
 530             die 'source has length 0';
 531         }
 532         unless( $source =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ||
 533                 $source =~ /^GOSA$/i ) {
 534             die "source '$source' is neither a complete ip-address with port nor 'GOSA'";
 535         }
 536
 537         ##############
 538         # check target
 539         my $target_l = $msg_hash->{'target'};
 540         if( 0 == @{$target_l} ) {
 541             die "no targets specified";
 542         }
 543         foreach my $target (@$target_l) {
 544             if( 0 == length $target) {
 545                 die "target has length 0";
 546             }
 547             unless( $target =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ||
 548                     $target =~ /^GOSA$/i ||
 549                     $target =~ /^\*$/ ||
 550                     $target =~ /KNOWN_SERVER/i ||
 551                     $target =~ /JOBDB/i ||
 552                     $target =~ /^([0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2})$/i ){
 553                 die "target '$target' is not a complete ip-address with port or a valid target name or a mac-address";
 554             }
 555         }
 556     };
 557     if($@) {
 558         daemon_log("WARNING: outgoing msg is not gosa-si envelope conform", 5);
 559         daemon_log("$@ ".(defined($msg) && length($msg)>0)?$msg:"Empty Message", 8);
 560         $msg_hash = undef;
 561     }
 562
 563     return ($msg_hash);
 564 }
 565
 566
 567 sub input_from_known_server {
 568     my ($input, $remote_ip, $session_id) = @_ ;
 569     my ($msg, $msg_hash, $module);
 570
 571     my $sql_statement= "SELECT * FROM known_server";
 572     my $query_res = $known_server_db->select_dbentry( $sql_statement );
 573
 574     while( my ($hit_num, $hit) = each %{ $query_res } ) {
 575         my $host_name = $hit->{hostname};
 576         if( not $host_name =~ "^$remote_ip") {
 577             next;
 578         }
 579         my $host_key = $hit->{hostkey};
 580         daemon_log("$session_id DEBUG: input_from_known_server: host_name: $host_name", 7);
 581         daemon_log("DEBUG: input_from_known_server: host_key: $host_key", 7);
 582
 583         # check if module can open msg envelope with module key
 584         my ($tmp_msg, $tmp_msg_hash) = &check_key_and_xml_validity($input, $host_key, $session_id);
 585         if( (!$tmp_msg) || (!$tmp_msg_hash) ) {
 586             daemon_log("$session_id DEBUG: input_from_known_server: deciphering raise error", 7);
 587             daemon_log("$@", 8);
 588             next;
 589         }
 590         else {
 591             $msg = $tmp_msg;
 592             $msg_hash = $tmp_msg_hash;
 593             $module = "SIPackages";
 594             last;
 595         }
 596     }
 597
 598     if( (!$msg) || (!$msg_hash) || (!$module) ) {
 599         daemon_log("$session_id DEBUG: Incoming message is not from a known server", 7);
 600     }
 601
 602     return ($msg, $msg_hash, $module);
 603 }
 604
 605
 606 sub input_from_known_client {
 607     my ($input, $remote_ip, $session_id) = @_ ;
 608     my ($msg, $msg_hash, $module);
 609
 610     my $sql_statement= "SELECT * FROM known_clients";
 611     my $query_res = $known_clients_db->select_dbentry( $sql_statement );
 612     while( my ($hit_num, $hit) = each %{ $query_res } ) {
 613         my $host_name = $hit->{hostname};
 614         if( not $host_name =~ /^$remote_ip:\d*$/) {
 615                 next;
 616                 }
 617         my $host_key = $hit->{hostkey};
 618         &daemon_log("$session_id DEBUG: input_from_known_client: host_name: $host_name", 7);
 619         &daemon_log("$session_id DEBUG: input_from_known_client: host_key: $host_key", 7);
 620
 621         # check if module can open msg envelope with module key
 622         ($msg, $msg_hash) = &check_key_and_xml_validity($input, $host_key, $session_id);
 623
 624         if( (!$msg) || (!$msg_hash) ) {
 625             &daemon_log("$session_id DEGUG: input_from_known_client: deciphering raise error", 7);
 626             &daemon_log("$@", 8);
 627             next;
 628         }
 629         else {
 630             $module = "SIPackages";
 631             last;
 632         }
 633     }
 634
 635     if( (!$msg) || (!$msg_hash) || (!$module) ) {
 636         &daemon_log("$session_id DEBUG: Incoming message is not from a known client", 7);
 637     }
 638
 639     return ($msg, $msg_hash, $module);
 640 }
 641
 642
 643 sub input_from_unknown_host {
 644     no strict "refs";
 645     my ($input, $session_id) = @_ ;
 646     my ($msg, $msg_hash, $module);
 647     my $error_string;
 648
 649         my %act_modules = %$known_modules;
 650
 651         while( my ($mod, $info) = each(%act_modules)) {
 652
 653         # check a key exists for this module
 654         my $module_key = ${$mod."_key"};
 655         if( not defined $module_key ) {
 656             if( $mod eq 'ArpHandler' ) {
 657                 next;
 658             }
 659             daemon_log("$session_id ERROR: no key specified in config file for $mod", 1);
 660             next;
 661         }
 662         daemon_log("$session_id DEBUG: $mod: $module_key", 7);
 663
 664         # check if module can open msg envelope with module key
 665         ($msg, $msg_hash) = &check_key_and_xml_validity($input, $module_key, $session_id);
 666         if( (not defined $msg) || (not defined $msg_hash) ) {
 667             next;
 668         }
 669         else {
 670             $module = $mod;
 671             last;
 672         }
 673     }
 674
 675     if( (!$msg) || (!$msg_hash) || (!$module)) {
 676         daemon_log("$session_id DEBUG: Incoming message is not from an unknown host", 7);
 677     }
 678
 679     return ($msg, $msg_hash, $module);
 680 }
 681
 682
 683 sub create_ciphering {
 684     my ($passwd) = @_;
 685         if((!defined($passwd)) || length($passwd)==0) {
 686                 $passwd = "";
 687         }
 688     $passwd = substr(md5_hex("$passwd") x 32, 0, 32);
 689     my $iv = substr(md5_hex('GONICUS GmbH'),0, 16);
 690     my $my_cipher = Crypt::Rijndael->new($passwd , Crypt::Rijndael::MODE_CBC());
 691     $my_cipher->set_iv($iv);
 692     return $my_cipher;
 693 }
 694
 695
 696 sub encrypt_msg {
 697     my ($msg, $key) = @_;
 698     my $my_cipher = &create_ciphering($key);
 699     my $len;
 700     {
 701             use bytes;
 702             $len= 16-length($msg)%16;
 703     }
 704     $msg = "\0"x($len).$msg;
 705     $msg = $my_cipher->encrypt($msg);
 706     chomp($msg = &encode_base64($msg));
 707     # there are no newlines allowed inside msg
 708     $msg=~ s/\n//g;
 709     return $msg;
 710 }
 711
 712
 713 sub decrypt_msg {
 714
 715     my ($msg, $key) = @_ ;
 716     $msg = &decode_base64($msg);
 717     my $my_cipher = &create_ciphering($key);
 718     $msg = $my_cipher->decrypt($msg);
 719     $msg =~ s/\0*//g;
 720     return $msg;
 721 }
 722
 723
 724 sub get_encrypt_key {
 725     my ($target) = @_ ;
 726     my $encrypt_key;
 727     my $error = 0;
 728
 729     # target can be in known_server
 730     if( not defined $encrypt_key ) {
 731         my $sql_statement= "SELECT * FROM known_server WHERE hostname='$target'";
 732         my $query_res = $known_server_db->select_dbentry( $sql_statement );
 733         while( my ($hit_num, $hit) = each %{ $query_res } ) {
 734             my $host_name = $hit->{hostname};
 735             if( $host_name ne $target ) {
 736                 next;
 737             }
 738             $encrypt_key = $hit->{hostkey};
 739             last;
 740         }
 741     }
 742
 743     # target can be in known_client
 744     if( not defined $encrypt_key ) {
 745         my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$target'";
 746         my $query_res = $known_clients_db->select_dbentry( $sql_statement );
 747         while( my ($hit_num, $hit) = each %{ $query_res } ) {
 748             my $host_name = $hit->{hostname};
 749             if( $host_name ne $target ) {
 750                 next;
 751             }
 752             $encrypt_key = $hit->{hostkey};
 753             last;
 754         }
 755     }
 756
 757     return $encrypt_key;
 758 }
 759
 760
 761 #===  FUNCTION  ================================================================
 762 #         NAME:  open_socket
 763 #   PARAMETERS:  PeerAddr string something like 192.168.1.1 or 192.168.1.1:10000
 764 #                [PeerPort] string necessary if port not appended by PeerAddr
 765 #      RETURNS:  socket IO::Socket::INET
 766 #  DESCRIPTION:  open a socket to PeerAddr
 767 #===============================================================================
 768 sub open_socket {
 769     my ($PeerAddr, $PeerPort) = @_ ;
 770     if(defined($PeerPort)){
 771         $PeerAddr = $PeerAddr.":".$PeerPort;
 772     }
 773     my $socket;
 774     $socket = new IO::Socket::INET(PeerAddr => $PeerAddr,
 775             Porto => "tcp",
 776             Type => SOCK_STREAM,
 777             Timeout => 5,
 778             );
 779     if(not defined $socket) {
 780         return;
 781     }
 782 #    &daemon_log("DEBUG: open_socket: $PeerAddr", 7);
 783     return $socket;
 784 }
 785
 786
 787 #===  FUNCTION  ================================================================
 788 #         NAME:  get_ip
 789 #   PARAMETERS:  interface name (i.e. eth0)
 790 #      RETURNS:  (ip address)
 791 #  DESCRIPTION:  Uses ioctl to get ip address directly from system.
 792 #===============================================================================
 793 sub get_ip {
 794         my $ifreq= shift;
 795         my $result= "";
 796         my $SIOCGIFADDR= 0x8915;       # man 2 ioctl_list
 797         my $proto= getprotobyname('ip');
 798
 799         socket SOCKET, PF_INET, SOCK_DGRAM, $proto
 800                 or die "socket: $!";
 801
 802         if(ioctl SOCKET, $SIOCGIFADDR, $ifreq) {
 803                 my ($if, $sin)    = unpack 'a16 a16', $ifreq;
 804                 my ($port, $addr) = sockaddr_in $sin;
 805                 my $ip            = inet_ntoa $addr;
 806
 807                 if ($ip && length($ip) > 0) {
 808                         $result = $ip;
 809                 }
 810         }
 811
 812         return $result;
 813 }
 814
 815
 816 sub get_local_ip_for_remote_ip {
 817         my $remote_ip= shift;
 818         my $result="0.0.0.0";
 819
 820         if($remote_ip =~ /^(\d\d?\d?\.){3}\d\d?\d?$/) {
 821                 if($remote_ip eq "127.0.0.1") {
 822                         $result = "127.0.0.1";
 823                 } else {
 824                         my $PROC_NET_ROUTE= ('/proc/net/route');
 825
 826                         open(PROC_NET_ROUTE, "<$PROC_NET_ROUTE")
 827                                 or die "Could not open $PROC_NET_ROUTE";
 828
 829                         my @ifs = <PROC_NET_ROUTE>;
 830
 831                         close(PROC_NET_ROUTE);
 832
 833                         # Eat header line
 834                         shift @ifs;
 835                         chomp @ifs;
 836                         foreach my $line(@ifs) {
 837                                 my ($Iface,$Destination,$Gateway,$Flags,$RefCnt,$Use,$Metric,$Mask,$MTU,$Window,$IRTT)=split(/\s/, $line);
 838                                 my $destination;
 839                                 my $mask;
 840                                 my ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Destination);
 841                                 $destination= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
 842                                 ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Mask);
 843                                 $mask= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
 844                                 if(new NetAddr::IP($remote_ip)->within(new NetAddr::IP($destination, $mask))) {
 845                                         # destination matches route, save mac and exit
 846                                         $result= &get_ip($Iface);
 847                                         last;
 848                                 }
 849                         }
 850                 }
 851         } else {
 852                 daemon_log("get_local_ip_for_remote_ip was called with a non-ip parameter: $remote_ip", 1);
 853         }
 854         return $result;
 855 }
 856
 857
 858 sub send_msg_to_target {
 859     my ($msg, $address, $encrypt_key, $msg_header, $session_id) = @_ ;
 860     my $error = 0;
 861     my $header;
 862     my $new_status;
 863     my $act_status;
 864     my ($sql_statement, $res);
 865
 866     if( $msg_header ) {
 867         $header = "'$msg_header'-";
 868     } else {
 869         $header = "";
 870     }
 871
 872         # Patch the source ip
 873         if($msg =~ /<source>0\.0\.0\.0:\d*?<\/source>/) {
 874                 my $remote_ip = &get_local_ip_for_remote_ip(sprintf("%s", $address =~ /^([0-9\.]*?):.*$/));
 875                 $msg =~ s/<source>(0\.0\.0\.0):(\d*?)<\/source>/<source>$remote_ip:$2<\/source>/s;
 876         }
 877
 878     # encrypt xml msg
 879     my $crypted_msg = &encrypt_msg($msg, $encrypt_key);
 880
 881     # opensocket
 882     my $socket = &open_socket($address);
 883     if( !$socket ) {
 884         daemon_log("$session_id ERROR: cannot send ".$header."msg to $address , host not reachable", 1);
 885         $error++;
 886     }
 887
 888     if( $error == 0 ) {
 889         # send xml msg
 890         print $socket $crypted_msg."\n";
 891
 892         daemon_log("$session_id INFO: send ".$header."msg to $address", 5);
 893         #daemon_log("DEBUG: message:\n$msg", 9);
 894
 895     }
 896
 897     # close socket in any case
 898     if( $socket ) {
 899         close $socket;
 900     }
 901
 902     if( $error > 0 ) { $new_status = "down"; }
 903     else { $new_status = $msg_header; }
 904
 905
 906     # known_clients
 907     $sql_statement = "SELECT * FROM known_clients WHERE hostname='$address'";
 908     $res = $known_clients_db->select_dbentry($sql_statement);
 909     if( keys(%$res) > 0) {
 910         $act_status = $res->{1}->{'status'};
 911         if( $act_status eq "down" ) {
 912             $sql_statement = "DELETE FROM known_clients WHERE hostname='$address'";
 913             $res = $known_clients_db->del_dbentry($sql_statement);
 914             daemon_log("$session_id WARNING: failed 2x to send msg to host '$address', delete host from known_clients", 3);
 915         } else {
 916             $sql_statement = "UPDATE known_clients SET status='$new_status' WHERE hostname='$address'";
 917             $res = $known_clients_db->update_dbentry($sql_statement);
 918             if($new_status eq "down"){
 919                 daemon_log("$session_id WARNING: set '$address' from status '$act_status' to '$new_status'", 3);
 920             } else {
 921                 daemon_log("$session_id INFO: set '$address' from status '$act_status' to '$new_status'", 5);
 922             }
 923         }
 924     }
 925
 926     # known_server
 927     $sql_statement = "SELECT * FROM known_server WHERE hostname='$address'";
 928     $res = $known_server_db->select_dbentry($sql_statement);
 929     if( keys(%$res) > 0 ) {
 930         $act_status = $res->{1}->{'status'};
 931         if( $act_status eq "down" ) {
 932             $sql_statement = "DELETE FROM known_server WHERE hostname='$address'";
 933             $res = $known_server_db->del_dbentry($sql_statement);
 934             daemon_log("$session_id WARNING: failed 2x to a send msg to host '$address', delete host from known_server", 3);
 935         }
 936         else {
 937             $sql_statement = "UPDATE known_server SET status='$new_status' WHERE hostname='$address'";
 938             $res = $known_server_db->update_dbentry($sql_statement);
 939             if($new_status eq "down"){
 940                 daemon_log("$session_id WARNING: set '$address' from status '$act_status' to '$new_status'", 3);
 941             }
 942             else {
 943                 daemon_log("$session_id INFO: set '$address' from status '$act_status' to '$new_status'", 5);
 944             }
 945         }
 946     }
 947     return $error;
 948 }
 949
 950
 951 sub update_jobdb_status_for_send_msgs {
 952     my ($answer, $error) = @_;
 953     if( $answer =~ /<jobdb_id>(\d+)<\/jobdb_id>/ ) {
 954         my $jobdb_id = $1;
 955
 956         # sending msg faild
 957         if( $error ) {
 958             if (not $answer =~ /<header>trigger_action_reinstall<\/header>/) {
 959                 my $sql_statement = "UPDATE $job_queue_tn ".
 960                     "SET status='error', result='can not deliver msg, please consult log file' ".
 961                     "WHERE id=$jobdb_id";
 962                 my $res = $job_db->update_dbentry($sql_statement);
 963             }
 964
 965         # sending msg was successful
 966         } else {
 967             my $sql_statement = "UPDATE $job_queue_tn ".
 968                 "SET status='done' ".
 969                 "WHERE id=$jobdb_id AND status='processed'";
 970             my $res = $job_db->update_dbentry($sql_statement);
 971         }
 972     }
 973 }
 974
 975 sub _start {
 976     my ($kernel) = $_[KERNEL];
 977     &trigger_db_loop($kernel);
 978     $global_kernel = $kernel;
 979         $kernel->yield('create_fai_server_db', $fai_server_tn );
 980         $kernel->yield('create_fai_release_db', $fai_release_tn );
 981         $kernel->sig(USR1 => "sig_handler");
 982         $kernel->sig(USR2 => "create_packages_list_db");
 983 }
 984
 985 sub sig_handler {
 986         my ($kernel, $signal) = @_[KERNEL, ARG0] ;
 987         daemon_log("0 INFO got signal '$signal'", 1);
 988         $kernel->sig_handled();
 989         return;
 990 }
 991
 992 sub next_task {
 993     my ($session, $heap) = @_[SESSION, HEAP];
 994
 995     while ( keys( %{ $heap->{task} } ) < $max_children ) {
 996         my $next_task = shift @tasks;
 997         last unless defined $next_task;
 998
 999         my $task = POE::Wheel::Run->new(
1000                 Program => sub { process_task($session, $heap, $next_task) },
1001                 StdioFilter => POE::Filter::Reference->new(),
1002                 StdoutEvent  => "task_result",
1003                 StderrEvent  => "task_debug",
1004                 CloseEvent   => "task_done",
1005                );
1006
1007         $heap->{task}->{ $task->ID } = $task;
1008     }
1009 }
1010
1011 sub handle_task_result {
1012     my ($kernel, $heap, $result) = @_[KERNEL, HEAP, ARG0];
1013     my $client_answer = $result->{'answer'};
1014     if( $client_answer =~ s/session_id=(\d+)$// ) {
1015         my $session_id = $1;
1016         if( defined $session_id ) {
1017             my $session_reference = $kernel->ID_id_to_session($session_id);
1018             if( defined $session_reference ) {
1019                 $heap = $session_reference->get_heap();
1020             }
1021         }
1022
1023         if(exists $heap->{'client'}) {
1024             $heap->{'client'}->put($client_answer);
1025         }
1026     }
1027     $kernel->sig(CHLD => "child_reap");
1028 }
1029
1030 sub handle_task_debug {
1031     my $result = $_[ARG0];
1032     print STDERR "$result\n";
1033 }
1034
1035 sub handle_task_done {
1036     my ( $kernel, $heap, $task_id ) = @_[ KERNEL, HEAP, ARG0 ];
1037     delete $heap->{task}->{$task_id};
1038     $kernel->yield("next_task");
1039 }
1040
1041 sub process_task {
1042     no strict "refs";
1043     my ($session, $heap, $input) = @_;
1044     my $session_id = $session->ID;
1045     my ($msg, $msg_hash, $module);
1046     my $error = 0;
1047     my $answer_l;
1048     my ($answer_header, @answer_target_l, $answer_source);
1049     my $client_answer = "";
1050
1051     daemon_log("", 5);
1052     daemon_log("$session_id INFO: Incoming msg with session ID $session_id from '".$heap->{'remote_ip'}."'", 5);
1053     #daemon_log("$session_id DEBUG: Incoming msg:\n$input", 9);
1054
1055     ####################
1056     # check incoming msg
1057     # msg is from a new client or gosa
1058     ($msg, $msg_hash, $module) = &input_from_unknown_host($input, $session_id);
1059     # msg is from a gosa-si-server or gosa-si-bus
1060     if(( !$msg ) || ( !$msg_hash ) || ( !$module )){
1061         ($msg, $msg_hash, $module) = &input_from_known_server($input, $heap->{'remote_ip'}, $session_id);
1062     }
1063     # msg is from a gosa-si-client
1064     if(( !$msg ) || ( !$msg_hash ) || ( !$module )){
1065         ($msg, $msg_hash, $module) = &input_from_known_client($input, $heap->{'remote_ip'}, $session_id);
1066     }
1067     # an error occurred
1068     if(( !$msg ) || ( !$msg_hash ) || ( !$module )){
1069         # if an incoming msg could not be decrypted (maybe a wrong key), send client a ping. If the client
1070         # could not understand a msg from its server the client cause a re-registering process
1071         daemon_log("$session_id INFO cannot understand incoming msg, send 'ping'-msg to all host with ip '".$heap->{remote_ip}."' to cause a re-registering of the client if necessary", 5);
1072         my $sql_statement = "SELECT * FROM $main::known_clients_tn WHERE (hostname LIKE '".$heap->{'remote_ip'}."%')";
1073         my $query_res = $known_clients_db->select_dbentry( $sql_statement );
1074         while( my ($hit_num, $hit) = each %{ $query_res } ) {
1075             my $host_name = $hit->{'hostname'};
1076             my $host_key = $hit->{'hostkey'};
1077             my $ping_msg = "<xml> <header>gosa_ping</header> <source>$server_address</source> <target>$host_name</target></xml>";
1078             my $error = &send_msg_to_target($ping_msg, $host_name, $host_key, "gosa_ping", $session_id);
1079             &update_jobdb_status_for_send_msgs($ping_msg, $error);
1080         }
1081         $error++;
1082     }
1083
1084     ######################
1085     # process incoming msg
1086     if( $error == 0) {
1087         daemon_log("$session_id INFO: Incoming msg with header '".@{$msg_hash->{'header'}}[0].
1088                                 "' from '".$heap->{'remote_ip'}."'", 5);
1089         daemon_log("$session_id DEBUG: Processing module ".$module, 7);
1090         $answer_l = &{ $module."::process_incoming_msg" }($msg, $msg_hash, $session_id);
1091
1092         if ( 0 < @{$answer_l} ) {
1093             my $answer_str = join("\n", @{$answer_l});
1094             daemon_log("$session_id DEBUG: $module: Got answer from module: \n".$answer_str,8);
1095         } else {
1096             daemon_log("$session_id DEBUG: $module: Got no answer from module!" ,8);
1097         }
1098
1099     }
1100     if( !$answer_l ) { $error++ };
1101
1102     ########
1103     # answer
1104     if( $error == 0 ) {
1105
1106         foreach my $answer ( @{$answer_l} ) {
1107             # for each answer in answer list
1108
1109             # check outgoing msg to xml validity
1110             my $answer_hash = &check_outgoing_xml_validity($answer);
1111             if( not defined $answer_hash ) {
1112                 next;
1113             }
1114
1115             $answer_header = @{$answer_hash->{'header'}}[0];
1116             @answer_target_l = @{$answer_hash->{'target'}};
1117             $answer_source = @{$answer_hash->{'source'}}[0];
1118
1119             # deliver msg to all targets
1120             foreach my $answer_target ( @answer_target_l ) {
1121
1122                 # targets of msg are all gosa-si-clients in known_clients_db
1123                 if( $answer_target eq "*" ) {
1124                     # answer is for all clients
1125                     my $sql_statement= "SELECT * FROM known_clients";
1126                     my $query_res = $known_clients_db->select_dbentry( $sql_statement );
1127                     while( my ($hit_num, $hit) = each %{ $query_res } ) {
1128                         my $host_name = $hit->{hostname};
1129                         my $host_key = $hit->{hostkey};
1130                         my $error = &send_msg_to_target($answer, $host_name, $host_key, $answer_header, $session_id);
1131                         &update_jobdb_status_for_send_msgs($answer, $error);
1132                     }
1133                 }
1134
1135                 # targets of msg are all gosa-si-server in known_server_db
1136                 elsif( $answer_target eq "KNOWN_SERVER" ) {
1137                     # answer is for all server in known_server
1138                     my $sql_statement= "SELECT * FROM known_server";
1139                     my $query_res = $known_server_db->select_dbentry( $sql_statement );
1140                     while( my ($hit_num, $hit) = each %{ $query_res } ) {
1141                         my $host_name = $hit->{hostname};
1142                         my $host_key = $hit->{hostkey};
1143                         $answer =~ s/KNOWN_SERVER/$host_name/g;
1144                         my $error = &send_msg_to_target($answer, $host_name, $host_key, $answer_header, $session_id);
1145                         &update_jobdb_status_for_send_msgs($answer, $error);
1146                     }
1147                 }
1148
1149                 # target of msg is GOsa
1150                                 elsif( $answer_target eq "GOSA" ) {
1151                                         my $session_id = ($1) if $answer =~ /<session_id>(\d+?)<\/session_id>/;
1152                                         my $add_on = "";
1153                     if( defined $session_id ) {
1154                         $add_on = ".session_id=$session_id";
1155                     }
1156                     # answer is for GOSA and has to returned to connected client
1157                     my $gosa_answer = &encrypt_msg($answer, $GosaPackages_key);
1158                     $client_answer = $gosa_answer.$add_on;
1159                 }
1160
1161                 # target of msg is job queue at this host
1162                 elsif( $answer_target eq "JOBDB") {
1163                     $answer =~ /<header>(\S+)<\/header>/;
1164                     my $header;
1165                     if( defined $1 ) { $header = $1; }
1166                     my $error = &send_msg_to_target($answer, $server_address, $GosaPackages_key, $header, $session_id);
1167                     &update_jobdb_status_for_send_msgs($answer, $error);
1168                 }
1169
1170                 # target of msg is a mac address
1171                 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 ) {
1172                     daemon_log("$session_id INFO: target is mac address '$answer_target', looking for host in known_clients", 5);
1173                     my $sql_statement = "SELECT * FROM known_clients WHERE macaddress LIKE '$answer_target'";
1174                     my $query_res = $known_clients_db->select_dbentry( $sql_statement );
1175                     my $found_ip_flag = 0;
1176                     while( my ($hit_num, $hit) = each %{ $query_res } ) {
1177                         my $host_name = $hit->{hostname};
1178                         my $host_key = $hit->{hostkey};
1179                         $answer =~ s/$answer_target/$host_name/g;
1180                         daemon_log("$session_id INFO: found host '$host_name', associated to '$answer_target'", 5);
1181                         my $error = &send_msg_to_target($answer, $host_name, $host_key, $answer_header, $session_id);
1182                         &update_jobdb_status_for_send_msgs($answer, $error);
1183                         $found_ip_flag++ ;
1184                     }
1185                     if( $found_ip_flag == 0) {
1186                         daemon_log("$session_id WARNING: no host found in known_clients with mac address '$answer_target'", 3);
1187                         if( $bus_activ eq "true" ) {
1188                             daemon_log("$session_id INFO: try to forward msg '$answer_header' to bus '$bus_address'", 5);
1189                             my $sql_statement = "SELECT * FROM known_server WHERE hostname='$bus_address'";
1190                             my $query_res = $known_server_db->select_dbentry( $sql_statement );
1191                             while( my ($hit_num, $hit) = each %{ $query_res } ) {
1192                                 my $bus_address = $hit->{hostname};
1193                                 my $bus_key = $hit->{hostkey};
1194                                 my $error = &send_msg_to_target($answer, $bus_address, $bus_key, $answer_header, $session_id);
1195                                 &update_jobdb_status_for_send_msgs($answer, $error);
1196                                 last;
1197                             }
1198                         }
1199
1200                     }
1201
1202                 #  answer is for one specific host
1203                 } else {
1204                     # get encrypt_key
1205                     my $encrypt_key = &get_encrypt_key($answer_target);
1206                     if( not defined $encrypt_key ) {
1207                         # unknown target, forward msg to bus
1208                         daemon_log("$session_id WARNING: unknown target '$answer_target'", 3);
1209                         if( $bus_activ eq "true" ) {
1210                             daemon_log("$session_id INFO: try to forward msg '$answer_header' to bus '$bus_address'", 5);
1211                             my $sql_statement = "SELECT * FROM known_server WHERE hostname='$bus_address'";
1212                             my $query_res = $known_server_db->select_dbentry( $sql_statement );
1213                             my $res_length = keys( %{$query_res} );
1214                             if( $res_length == 0 ){
1215                                 daemon_log("$session_id WARNING: send '$answer_header' to '$bus_address' failed, ".
1216                                         "no bus found in known_server", 3);
1217                             }
1218                             else {
1219                                 while( my ($hit_num, $hit) = each %{ $query_res } ) {
1220                                     my $bus_key = $hit->{hostkey};
1221                                     my $error = &send_msg_to_target($answer, $bus_address, $bus_key, $answer_header,$session_id );
1222                                     &update_jobdb_status_for_send_msgs($answer, $error);
1223                                 }
1224                             }
1225                         }
1226                         next;
1227                     }
1228                     my $error = &send_msg_to_target($answer, $answer_target, $encrypt_key, $answer_header,$session_id);
1229                     &update_jobdb_status_for_send_msgs($answer, $error);
1230                 }
1231             }
1232         }
1233     }
1234
1235     my $filter = POE::Filter::Reference->new();
1236     my %result = (
1237             status => "seems ok to me",
1238             answer => $client_answer,
1239             );
1240
1241     my $output = $filter->put( [ \%result ] );
1242     print @$output;
1243
1244
1245 }
1246
1247
1248 sub trigger_db_loop {
1249         my ($kernel) = @_ ;
1250         $kernel->delay_set('watch_for_new_jobs', $job_queue_loop_delay);
1251         $kernel->delay_set('watch_for_done_jobs', $job_queue_loop_delay);
1252         $kernel->delay_set('watch_for_new_messages', $messaging_db_loop_delay);
1253         $kernel->delay_set('watch_for_done_messages', $messaging_db_loop_delay);
1254 }
1255
1256
1257 sub watch_for_done_jobs {
1258     my ($kernel,$heap) = @_[KERNEL, HEAP];
1259
1260     my $sql_statement = "SELECT * FROM ".$job_queue_tn.
1261         " WHERE status='done'";
1262         my $res = $job_db->select_dbentry( $sql_statement );
1263
1264     while( my ($id, $hit) = each %{$res} ) {
1265         my $jobdb_id = $hit->{id};
1266         my $sql_statement = "DELETE FROM $job_queue_tn WHERE id=$jobdb_id";
1267         my $res = $job_db->del_dbentry($sql_statement);
1268     }
1269
1270     $kernel->delay_set('watch_for_done_jobs',$job_queue_loop_delay);
1271 }
1272
1273
1274 sub watch_for_new_jobs {
1275         if($watch_for_new_jobs_in_progress == 0) {
1276                 $watch_for_new_jobs_in_progress = 1;
1277                 my ($kernel,$heap) = @_[KERNEL, HEAP];
1278
1279                 # check gosa job queue for jobs with executable timestamp
1280                 my $timestamp = &get_time();
1281                 my $sql_statement = "SELECT * FROM $job_queue_tn WHERE status='waiting' AND (CAST (timestamp AS INTEGER)) < $timestamp ORDER BY timestamp";
1282                 my $res = $job_db->exec_statement( $sql_statement );
1283
1284                 # Merge all new jobs that would do the same actions
1285                 my @drops;
1286                 my $hits;
1287                 foreach my $hit (reverse @{$res} ) {
1288                         my $macaddress= lc @{$hit}[8];
1289                         my $headertag= @{$hit}[5];
1290                         if(
1291                                 defined($hits->{$macaddress}) &&
1292                                 defined($hits->{$macaddress}->{$headertag}) &&
1293                                 defined($hits->{$macaddress}->{$headertag}[0])
1294                         ) {
1295                                 push @drops, "DELETE FROM $job_queue_tn WHERE id = $hits->{$macaddress}->{$headertag}[0]";
1296                         }
1297                         $hits->{$macaddress}->{$headertag}= $hit;
1298                 }
1299
1300                 # Delete new jobs with a matching job in state 'processing'
1301                 foreach my $macaddress (keys %{$hits}) {
1302                         foreach my $jobdb_headertag (keys %{$hits->{$macaddress}}) {
1303                                 my $jobdb_id = @{$hits->{$macaddress}->{$jobdb_headertag}}[0];
1304                                 if(defined($jobdb_id)) {
1305                                         my $sql_statement = "SELECT * FROM $job_queue_tn WHERE macaddress LIKE '$macaddress' AND headertag='$jobdb_headertag' AND status='processing'";
1306                                         my $res = $job_db->exec_statement( $sql_statement );
1307                                         foreach my $hit (@{$res}) {
1308                                                 push @drops, "DELETE FROM $job_queue_tn WHERE id=$jobdb_id";
1309                                         }
1310                                 } else {
1311                                         daemon_log("J ERROR: Job without id exists for macaddress $macaddress!", 1);
1312                                 }
1313                         }
1314                 }
1315
1316                 # Commit deletion
1317                 $job_db->exec_statementlist(\@drops);
1318
1319                 # Look for new jobs that could be executed
1320                 foreach my $macaddress (keys %{$hits}) {
1321
1322                         # Look if there is an executing job
1323                         my $sql_statement = "SELECT * FROM $job_queue_tn WHERE macaddress LIKE '$macaddress' AND status='processing'";
1324                         my $res = $job_db->exec_statement( $sql_statement );
1325
1326                         # Skip new jobs for host if there is a processing job
1327                         if(defined($res) and defined @{$res}[0]) {
1328                                 next;
1329                         }
1330
1331                         foreach my $jobdb_headertag (keys %{$hits->{$macaddress}}) {
1332                                 my $jobdb_id = @{$hits->{$macaddress}->{$jobdb_headertag}}[0];
1333                                 if(defined($jobdb_id)) {
1334                                         my $job_msg = @{$hits->{$macaddress}->{$jobdb_headertag}}[7];
1335
1336                                         daemon_log("J DEBUG: its time to execute $job_msg", 7);
1337                                         my $sql_statement = "SELECT * FROM known_clients WHERE macaddress LIKE '$macaddress'";
1338                                         my $res_hash = $known_clients_db->select_dbentry( $sql_statement );
1339
1340                                         # expect macaddress is unique!!!!!!
1341                                         my $target = $res_hash->{1}->{hostname};
1342
1343                                         # change header
1344                                         $job_msg =~ s/<header>job_/<header>gosa_/;
1345
1346                                         # add sqlite_id
1347                                         $job_msg =~ s/<\/xml>$/<jobdb_id>$jobdb_id<\/jobdb_id><\/xml>/;
1348
1349                                         $job_msg =~ /<header>(\S+)<\/header>/;
1350                                         my $header = $1 ;
1351                                         my $func_error = &send_msg_to_target($job_msg, $server_address, $GosaPackages_key, $header, "J");
1352
1353                                         # update status in job queue to 'processing'
1354                                         $sql_statement = "UPDATE $job_queue_tn SET status='processing' WHERE id=$jobdb_id";
1355                                         my $res = $job_db->update_dbentry($sql_statement);
1356 # TODO: abfangen ob alles in ordnung ist oder nicht, wenn nicht error schmeißen
1357
1358                                         # We don't want parallel processing
1359                                         last;
1360                                 }
1361                         }
1362                 }
1363
1364                 $watch_for_new_jobs_in_progress = 0;
1365                 $kernel->delay_set('watch_for_new_jobs', $job_queue_loop_delay);
1366         }
1367 }
1368
1369
1370 sub watch_for_new_messages {
1371     my ($kernel,$heap) = @_[KERNEL, HEAP];
1372     my @coll_user_msg;   # collection list of outgoing messages
1373
1374     # check messaging_db for new incoming messages with executable timestamp
1375     my $timestamp = &get_time();
1376     my $sql_statement = "SELECT * FROM $messaging_tn WHERE ( (CAST(timestamp AS INTEGER))<$timestamp AND flag='n' AND direction='in' )";
1377     my $res = $messaging_db->exec_statement( $sql_statement );
1378         foreach my $hit (@{$res}) {
1379
1380         # create outgoing messages
1381         my $message_to = @{$hit}[3];
1382
1383         # translate message_to to plain login name
1384 # TODO implement reciever translation
1385         my @reciever_l = ($message_to);
1386         my $message_id = @{$hit}[0];
1387
1388         #add each outgoing msg to messaging_db
1389         my $reciever;
1390         foreach $reciever (@reciever_l) {
1391             my $sql_statement = "INSERT INTO $messaging_tn (id, subject, message_from, message_to, flag, direction, delivery_time, message, timestamp) ".
1392                 "VALUES ('".
1393                 $message_id."', '".    # id
1394                 @{$hit}[1]."', '".     # subject
1395                 @{$hit}[2]."', '".     # message_from
1396                 $reciever."', '".      # message_to
1397                 "none"."', '".         # flag
1398                 "out"."', '".          # direction
1399                 @{$hit}[6]."', '".     # delivery_time
1400                 @{$hit}[7]."', '".     # message
1401                 $timestamp."'".     # timestamp
1402                 ")";
1403             &daemon_log("M DEBUG: $sql_statement", 1);
1404             my $res = $messaging_db->exec_statement($sql_statement);
1405             &daemon_log("M INFO: message '".@{$hit}[0]."' is prepared for delivery to reciever '$reciever'", 5);
1406         }
1407
1408         # send outgoing messages
1409         my $sql_statement = "SELECT * FROM $messaging_tn WHERE ( flag='p' AND direction='out' )";
1410         my $res = $messaging_db->exec_statement( $sql_statement );
1411         foreach my $hit (@{$res}) {
1412             # add subject, from, to and message to list coll_user_msg
1413             my @user_msg = [@{$hit}[1], @{$hit}[2], $reciever, @{$hit}[7]];
1414             push( @coll_user_msg, \@user_msg);
1415         }
1416
1417         # send outgoing list to myself (gosa-si-server) to deliver each message to user
1418         # reason for this workaround: if to much messages have to be delivered, it can come to
1419         # denial of service problems of the server. so, the incoming message list can be processed
1420         # by a forked child and gosa-si-server is always ready to work.
1421         my $collection_out_msg = &create_xml_hash("collection_user_messages", $server_address, $server_address);
1422         # add to hash 'msg1' => [subject, from, to, message]
1423         # hash to string
1424         # send msg to myself
1425 # TODO
1426
1427         # set incoming message to flag d=deliverd
1428         $sql_statement = "UPDATE $messaging_tn SET flag='p' WHERE id='$message_id'";
1429         &daemon_log("M DEBUG: $sql_statement", 7);
1430         $res = $messaging_db->update_dbentry($sql_statement);
1431         &daemon_log("M INFO: message '$message_id' is set to flag 'p' (processed)", 5);
1432
1433     }
1434
1435     $kernel->delay_set('watch_for_new_messages', $messaging_db_loop_delay);
1436
1437
1438     return;
1439 }
1440
1441
1442 sub watch_for_done_messages {
1443     my ($kernel,$heap) = @_[KERNEL, HEAP];
1444
1445     $kernel->delay_set('watch_for_done_messages', $messaging_db_loop_delay);
1446     return;
1447 }
1448
1449
1450 sub get_ldap_handle {
1451         my ($session_id) = @_;
1452         my $heap;
1453         my $ldap_handle;
1454
1455         if (not defined $session_id ) { $session_id = 0 };
1456         if ($session_id =~ /[^0-9]*/) { $session_id = 0 };
1457
1458         if ($session_id == 0) {
1459                 daemon_log("$session_id DEBUG: get_ldap_handle invoked without a session_id, create a new ldap_handle", 7);
1460                 $ldap_handle = Net::LDAP->new( $ldap_uri );
1461                 $ldap_handle->bind($ldap_admin_dn, password => $ldap_admin_password);
1462
1463         } else {
1464                 my $session_reference = $global_kernel->ID_id_to_session($session_id);
1465                 if( defined $session_reference ) {
1466                         $heap = $session_reference->get_heap();
1467                 }
1468
1469                 if (not defined $heap) {
1470                         daemon_log("$session_id DEBUG: cannot get heap for session_id '$session_id'", 7);
1471                         return;
1472                 }
1473
1474                 # TODO: This "if" is nonsense, because it doesn't prove that the
1475                 #       used handle is still valid - or if we've to reconnect...
1476                 #if (not exists $heap->{ldap_handle}) {
1477                         $ldap_handle = Net::LDAP->new( $ldap_uri );
1478                         $ldap_handle->bind($ldap_admin_dn, password => $ldap_admin_password);
1479                         $heap->{ldap_handle} = $ldap_handle;
1480                 #}
1481         }
1482         return $ldap_handle;
1483 }
1484
1485
1486 sub change_fai_state {
1487     my ($st, $targets, $session_id) = @_;
1488     $session_id = 0 if not defined $session_id;
1489     # Set FAI state to localboot
1490     my %mapActions= (
1491         reboot    => '',
1492         update    => 'softupdate',
1493         localboot => 'localboot',
1494         reinstall => 'install',
1495         rescan    => '',
1496         wake      => '',
1497         memcheck  => 'memcheck',
1498         sysinfo   => 'sysinfo',
1499         install   => 'install',
1500     );
1501
1502     # Return if this is unknown
1503     if (!exists $mapActions{ $st }){
1504         daemon_log("$session_id ERROR: unknown action '$st', can not translate ot FAIstate", 1);
1505       return;
1506     }
1507
1508     my $state= $mapActions{ $st };
1509
1510     my $ldap_handle = &get_ldap_handle($session_id);
1511     if( defined($ldap_handle) ) {
1512
1513       # Build search filter for hosts
1514         my $search= "(&(objectClass=GOhard)";
1515         foreach (@{$targets}){
1516             $search.= "(macAddress=$_)";
1517         }
1518         $search.= ")";
1519
1520       # If there's any host inside of the search string, procress them
1521         if (!($search =~ /macAddress/)){
1522             daemon_log("$session_id ERROR: no macAddress found in filter statement for LDAP search: '$search'", 1);
1523             return;
1524         }
1525
1526       # Perform search for Unit Tag
1527       my $mesg = $ldap_handle->search(
1528           base   => $ldap_base,
1529           scope  => 'sub',
1530           attrs  => ['dn', 'FAIstate', 'objectClass'],
1531           filter => "$search"
1532           );
1533
1534           if ($mesg->count) {
1535                   my @entries = $mesg->entries;
1536                   foreach my $entry (@entries) {
1537                           # Only modify entry if it is not set to '$state'
1538                           if ($entry->get_value("FAIstate") ne "$state"){
1539                                   daemon_log("$session_id INFO: Setting FAIstate to '$state' for ".$entry->dn, 5);
1540                                   my $result;
1541                                   my %tmp = map { $_ => 1 } $entry->get_value("objectClass");
1542                                   if (exists $tmp{'FAIobject'}){
1543                                           if ($state eq ''){
1544                                                   $result= $ldap_handle->modify($entry->dn, changes => [
1545                                                           delete => [ FAIstate => [] ] ]);
1546                                           } else {
1547                                                   $result= $ldap_handle->modify($entry->dn, changes => [
1548                                                           replace => [ FAIstate => $state ] ]);
1549                                           }
1550                                   } elsif ($state ne ''){
1551                                           $result= $ldap_handle->modify($entry->dn, changes => [
1552                                                   add     => [ objectClass => 'FAIobject' ],
1553                                                   add     => [ FAIstate => $state ] ]);
1554                                   }
1555
1556                                   # Errors?
1557                                   if ($result->code){
1558                                           daemon_log("$session_id Error: Setting FAIstate to '$state' for ".$entry->dn. "failed: ".$result->error, 1);
1559                                   }
1560                           } else {
1561                                   daemon_log("$session_id DEBUG FAIstate at host '".$entry->dn."' already at state '$st'", 7);
1562                           }
1563                   }
1564           }
1565     # if no ldap handle defined
1566     } else {
1567         daemon_log("$session_id ERROR: no LDAP handle defined for update FAIstate", 1);
1568     }
1569
1570 }
1571
1572
1573 sub change_goto_state {
1574     my ($st, $targets, $session_id) = @_;
1575     $session_id = 0  if not defined $session_id;
1576
1577     # Switch on or off?
1578     my $state= $st eq 'active' ? 'active': 'locked';
1579
1580     my $ldap_handle = &get_ldap_handle($session_id);
1581     if( defined($ldap_handle) ) {
1582
1583       # Build search filter for hosts
1584       my $search= "(&(objectClass=GOhard)";
1585       foreach (@{$targets}){
1586         $search.= "(macAddress=$_)";
1587       }
1588       $search.= ")";
1589
1590       # If there's any host inside of the search string, procress them
1591       if (!($search =~ /macAddress/)){
1592         return;
1593       }
1594
1595       # Perform search for Unit Tag
1596       my $mesg = $ldap_handle->search(
1597           base   => $ldap_base,
1598           scope  => 'sub',
1599           attrs  => ['dn', 'gotoMode'],
1600           filter => "$search"
1601           );
1602
1603       if ($mesg->count) {
1604         my @entries = $mesg->entries;
1605         foreach my $entry (@entries) {
1606
1607           # Only modify entry if it is not set to '$state'
1608           if ($entry->get_value("gotoMode") ne $state){
1609
1610             daemon_log("$session_id INFO: Setting gotoMode to '$state' for ".$entry->dn, 5);
1611             my $result;
1612             $result= $ldap_handle->modify($entry->dn, changes => [
1613                                                 replace => [ gotoMode => $state ] ]);
1614
1615             # Errors?
1616             if ($result->code){
1617               &daemon_log("$session_id Error: Setting gotoMode to '$state' for ".$entry->dn. "failed: ".$result->error, 1);
1618             }
1619
1620           }
1621         }
1622       }
1623
1624     }
1625 }
1626
1627
1628 sub run_create_fai_server_db {
1629     my ($kernel, $session, $heap, $table_name) = @_[KERNEL, SESSION, HEAP, ARG0];
1630     my $session_id = $session->ID;
1631     my $task = POE::Wheel::Run->new(
1632             Program => sub { &create_fai_server_db($table_name,$kernel, undef, $session_id) },
1633             StdoutEvent  => "session_run_result",
1634             StderrEvent  => "session_run_debug",
1635             CloseEvent   => "session_run_done",
1636             );
1637
1638     $heap->{task}->{ $task->ID } = $task;
1639     return;
1640 }
1641
1642
1643 sub create_fai_server_db {
1644     my ($table_name, $kernel, $dont_create_packages_list, $session_id) = @_;
1645         my $result;
1646
1647         if (not defined $session_id) { $session_id = 0; }
1648     my $ldap_handle = &get_ldap_handle();
1649         if(defined($ldap_handle)) {
1650                 daemon_log("$session_id INFO: create_fai_server_db: start", 5);
1651                 my $mesg= $ldap_handle->search(
1652                         base   => $ldap_base,
1653                         scope  => 'sub',
1654                         attrs  => ['FAIrepository', 'gosaUnitTag'],
1655                         filter => "(&(FAIrepository=*)(objectClass=FAIrepositoryServer))",
1656                 );
1657                 if($mesg->{'resultCode'} == 0 &&
1658                    $mesg->count != 0) {
1659                    foreach my $entry (@{$mesg->{entries}}) {
1660                            if($entry->exists('FAIrepository')) {
1661                                    # Add an entry for each Repository configured for server
1662                                    foreach my $repo(@{$entry->get_value('FAIrepository', asref => 1)}) {
1663                                                    my($tmp_url,$tmp_server,$tmp_release,$tmp_sections) = split(/\|/, $repo);
1664                                                    my $tmp_tag= $entry->get_value('gosaUnitTag') || "";
1665                                                    $result= $fai_server_db->add_dbentry( {
1666                                                                    table => $table_name,
1667                                                                    primkey => ['server', 'release', 'tag'],
1668                                                                    server => $tmp_url,
1669                                                                    release => $tmp_release,
1670                                                                    sections => $tmp_sections,
1671                                                                    tag => (length($tmp_tag)>0)?$tmp_tag:"",
1672                                                            } );
1673                                            }
1674                                    }
1675                            }
1676                    }
1677                 daemon_log("$session_id INFO: create_fai_server_db: finished", 5);
1678
1679                 # TODO: Find a way to post the 'create_packages_list_db' event
1680                 if(not defined($dont_create_packages_list)) {
1681                         &create_packages_list_db(undef, undef, $session_id);
1682                 }
1683         }
1684
1685     $ldap_handle->disconnect;
1686         return $result;
1687 }
1688
1689
1690 sub run_create_fai_release_db {
1691     my ($session, $heap, $table_name) = @_[SESSION, HEAP, ARG0];
1692         my $session_id = $session->ID;
1693     my $task = POE::Wheel::Run->new(
1694             Program => sub { &create_fai_release_db($table_name, $session_id) },
1695             StdoutEvent  => "session_run_result",
1696             StderrEvent  => "session_run_debug",
1697             CloseEvent   => "session_run_done",
1698             );
1699
1700     $heap->{task}->{ $task->ID } = $task;
1701     return;
1702 }
1703
1704
1705 sub create_fai_release_db {
1706         my ($table_name, $session_id) = @_;
1707         my $result;
1708
1709     # used for logging
1710     if (not defined $session_id) { $session_id = 0; }
1711
1712     my $ldap_handle = &get_ldap_handle();
1713         if(defined($ldap_handle)) {
1714                 daemon_log("$session_id INFO: create_fai_release_db: start",5);
1715                 my $mesg= $ldap_handle->search(
1716                         base   => $ldap_base,
1717                         scope  => 'sub',
1718                         attrs  => [],
1719                         filter => "(&(objectClass=organizationalUnit)(ou=fai))",
1720                 );
1721                 if($mesg->{'resultCode'} == 0 &&
1722                         $mesg->count != 0) {
1723                         # Walk through all possible FAI container ou's
1724                         my @sql_list;
1725                         my $timestamp= &get_time();
1726                         foreach my $ou (@{$mesg->{entries}}) {
1727                                 my $tmp_classes= resolve_fai_classes($ou->dn, $ldap_handle, $session_id);
1728                                 if(defined($tmp_classes) && ref($tmp_classes) eq 'HASH') {
1729                                         my @tmp_array=get_fai_release_entries($tmp_classes);
1730                                         if(@tmp_array) {
1731                                                 foreach my $entry (@tmp_array) {
1732                                                         if(defined($entry) && ref($entry) eq 'HASH') {
1733                                                                 my $sql=
1734                                                                 "INSERT INTO $table_name "
1735                                                                 ."(timestamp, release, class, type, state) VALUES ("
1736                                                                 .$timestamp.","
1737                                                                 ."'".$entry->{'release'}."',"
1738                                                                 ."'".$entry->{'class'}."',"
1739                                                                 ."'".$entry->{'type'}."',"
1740                                                                 ."'".$entry->{'state'}."')";
1741                                                                 push @sql_list, $sql;
1742                                                         }
1743                                                 }
1744                                         }
1745                                 }
1746                         }
1747
1748                         daemon_log("$session_id DEBUG: Inserting ".scalar @sql_list." entries to DB",8);
1749                         if(@sql_list) {
1750                                 unshift @sql_list, "DELETE FROM $table_name";   # at first, clear db
1751                                 $fai_release_db->exec_statementlist(\@sql_list);
1752                         }
1753                         daemon_log("$session_id DEBUG: Done with inserting",7);
1754                 }
1755                 daemon_log("$session_id INFO: create_fai_release_db: finished",5);
1756         }
1757     $ldap_handle->disconnect;
1758         return $result;
1759 }
1760
1761 sub get_fai_types {
1762         my $tmp_classes = shift || return undef;
1763         my @result;
1764
1765         foreach my $type(keys %{$tmp_classes}) {
1766                 if(defined($tmp_classes->{$type}[0]) && (!($tmp_classes->{$type}[0] =~ /^.*?removed.*?$/))) {
1767                         my $entry = {
1768                                 type => $type,
1769                                 state => $tmp_classes->{$type}[0],
1770                         };
1771                         push @result, $entry;
1772                 }
1773         }
1774
1775         return @result;
1776 }
1777
1778 sub get_fai_state {
1779         my $result = "";
1780         my $tmp_classes = shift || return $result;
1781
1782         foreach my $type(keys %{$tmp_classes}) {
1783                 if(defined($tmp_classes->{$type}[0])) {
1784                         $result = $tmp_classes->{$type}[0];
1785
1786                 # State is equal for all types in class
1787                         last;
1788                 }
1789         }
1790
1791         return $result;
1792 }
1793
1794 sub resolve_fai_classes {
1795         my ($fai_base, $ldap_handle, $session_id) = @_;
1796         if (not defined $session_id) { $session_id = 0; }
1797         my $result;
1798         my @possible_fai_classes= ("FAIscript", "FAIhook", "FAIpartitionTable", "FAItemplate", "FAIvariable", "FAIprofile", "FAIpackageList");
1799         my $fai_filter= "(|(&(objectClass=FAIclass)(|(objectClass=".join(")(objectClass=", @possible_fai_classes).")))(objectClass=FAIbranch))";
1800         my $fai_classes;
1801
1802         daemon_log("$session_id DEBUG: Searching for FAI entries in base $fai_base",7);
1803         my $mesg= $ldap_handle->search(
1804                 base   => $fai_base,
1805                 scope  => 'sub',
1806                 attrs  => ['cn','objectClass','FAIstate'],
1807                 filter => $fai_filter,
1808         );
1809         daemon_log("$session_id DEBUG: Found ".$mesg->count()." FAI entries",7);
1810
1811         if($mesg->{'resultCode'} == 0 &&
1812                 $mesg->count != 0) {
1813                 foreach my $entry (@{$mesg->{entries}}) {
1814                         if($entry->exists('cn')) {
1815                                 my $tmp_dn= $entry->dn();
1816
1817                                 # Skip classname and ou dn parts for class
1818                                 my $tmp_release = ($1) if $tmp_dn =~ /^[^,]+,[^,]+,(.*?),$fai_base$/;
1819
1820                                 # Skip classes without releases
1821                                 if((!defined($tmp_release)) || length($tmp_release)==0) {
1822                                         next;
1823                                 }
1824
1825                                 my $tmp_cn= $entry->get_value('cn');
1826                                 my $tmp_state= $entry->get_value('FAIstate');
1827
1828                                 my $tmp_type;
1829                                 # Get FAI type
1830                                 for my $oclass(@{$entry->get_value('objectClass', asref => 1)}) {
1831                                         if(grep $_ eq $oclass, @possible_fai_classes) {
1832                                                 $tmp_type= $oclass;
1833                                                 last;
1834                                         }
1835                                 }
1836
1837                                 if($tmp_release =~ /^.*?,.*?$/ && (!($tmp_release =~ /^.*?\\,.*?$/))) {
1838                                         # A Subrelease
1839                                         my @sub_releases = split(/,/, $tmp_release);
1840
1841                                         # Walk through subreleases and build hash tree
1842                                         my $hash;
1843                                         while(my $tmp_sub_release = pop @sub_releases) {
1844                                                 $hash .= "\{'$tmp_sub_release'\}->";
1845                                         }
1846                                         eval('push @{$fai_classes->'.$hash.'{$tmp_cn}->{$tmp_type}}, (defined($tmp_state) && length($tmp_state)>0)?$tmp_state:"";');
1847                                 } else {
1848                                         # A branch, no subrelease
1849                                         push @{$fai_classes->{$tmp_release}->{$tmp_cn}->{$tmp_type}}, (defined($tmp_state) && length($tmp_state)>0)?$tmp_state:"";
1850                                 }
1851                         } elsif (!$entry->exists('cn')) {
1852                                 my $tmp_dn= $entry->dn();
1853                                 my $tmp_release = ($1) if $tmp_dn =~ /^(.*?),$fai_base$/;
1854
1855                                 # Skip classes without releases
1856                                 if((!defined($tmp_release)) || length($tmp_release)==0) {
1857                                         next;
1858                                 }
1859
1860                                 if($tmp_release =~ /^.*?,.*?$/ && (!($tmp_release =~ /^.*?\\,.*?$/))) {
1861                                         # A Subrelease
1862                                         my @sub_releases= split(/,/, $tmp_release);
1863
1864                                         # Walk through subreleases and build hash tree
1865                                         my $hash;
1866                                         while(my $tmp_sub_release = pop @sub_releases) {
1867                                                 $hash .= "\{'$tmp_sub_release'\}->";
1868                                         }
1869                                         # Remove the last two characters
1870                                         chop($hash);
1871                                         chop($hash);
1872
1873                                         eval('$fai_classes->'.$hash.'= {}');
1874                                 } else {
1875                                         # A branch, no subrelease
1876                                         if(!exists($fai_classes->{$tmp_release})) {
1877                                                 $fai_classes->{$tmp_release} = {};
1878                                         }
1879                                 }
1880                         }
1881                 }
1882
1883                 # The hash is complete, now we can honor the copy-on-write based missing entries
1884                 foreach my $release (keys %$fai_classes) {
1885                         $result->{$release}= deep_copy(apply_fai_inheritance($fai_classes->{$release}));
1886                 }
1887         }
1888         return $result;
1889 }
1890
1891 sub apply_fai_inheritance {
1892        my $fai_classes = shift || return {};
1893        my $tmp_classes;
1894
1895        # Get the classes from the branch
1896        foreach my $class (keys %{$fai_classes}) {
1897                # Skip subreleases
1898                if($class =~ /^ou=.*$/) {
1899                        next;
1900                } else {
1901                        $tmp_classes->{$class}= deep_copy($fai_classes->{$class});
1902                }
1903        }
1904
1905        # Apply to each subrelease
1906        foreach my $subrelease (keys %{$fai_classes}) {
1907                if($subrelease =~ /ou=/) {
1908                        foreach my $tmp_class (keys %{$tmp_classes}) {
1909                                if(!exists($fai_classes->{$subrelease}->{$tmp_class})) {
1910                                        $fai_classes->{$subrelease}->{$tmp_class} =
1911                                        deep_copy($tmp_classes->{$tmp_class});
1912                                } else {
1913                                        foreach my $type (keys %{$tmp_classes->{$tmp_class}}) {
1914                                                if(!exists($fai_classes->{$subrelease}->{$tmp_class}->{$type})) {
1915                                                        $fai_classes->{$subrelease}->{$tmp_class}->{$type}=
1916                                                        deep_copy($tmp_classes->{$tmp_class}->{$type});
1917                                                }
1918                                        }
1919                                }
1920                        }
1921                }
1922        }
1923
1924        # Find subreleases in deeper levels
1925        foreach my $subrelease (keys %{$fai_classes}) {
1926                if($subrelease =~ /ou=/) {
1927                        foreach my $subsubrelease (keys %{$fai_classes->{$subrelease}}) {
1928                                if($subsubrelease =~ /ou=/) {
1929                                        apply_fai_inheritance($fai_classes->{$subrelease});
1930                                }
1931                        }
1932                }
1933        }
1934
1935        return $fai_classes;
1936 }
1937
1938 sub get_fai_release_entries {
1939         my $tmp_classes = shift || return;
1940         my $parent = shift || "";
1941         my @result = shift || ();
1942
1943         foreach my $entry (keys %{$tmp_classes}) {
1944                 if(defined($entry)) {
1945                         if($entry =~ /^ou=.*$/) {
1946                                 my $release_name = $entry;
1947                                 $release_name =~ s/ou=//g;
1948                                 if(length($parent)>0) {
1949                                         $release_name = $parent."/".$release_name;
1950                                 }
1951                                 my @bufentries = get_fai_release_entries($tmp_classes->{$entry}, $release_name, @result);
1952                                 foreach my $bufentry(@bufentries) {
1953                                         push @result, $bufentry;
1954                                 }
1955                         } else {
1956                                 my @types = get_fai_types($tmp_classes->{$entry});
1957                                 foreach my $type (@types) {
1958                                         push @result,
1959                                         {
1960                                                 'class' => $entry,
1961                                                 'type' => $type->{'type'},
1962                                                 'release' => $parent,
1963                                                 'state' => $type->{'state'},
1964                                         };
1965                                 }
1966                         }
1967                 }
1968         }
1969
1970         return @result;
1971 }
1972
1973 sub deep_copy {
1974         my $this = shift;
1975         if (not ref $this) {
1976                 $this;
1977         } elsif (ref $this eq "ARRAY") {
1978                 [map deep_copy($_), @$this];
1979         } elsif (ref $this eq "HASH") {
1980                 +{map { $_ => deep_copy($this->{$_}) } keys %$this};
1981         } else { die "what type is $_?" }
1982 }
1983
1984
1985 sub session_run_result {
1986     my ($kernel, $heap, $client_answer) = @_[KERNEL, HEAP, ARG0];
1987     $kernel->sig(CHLD => "child_reap");
1988 }
1989
1990 sub session_run_debug {
1991     my $result = $_[ARG0];
1992     print STDERR "$result\n";
1993 }
1994
1995 sub session_run_done {
1996     my ( $kernel, $heap, $task_id ) = @_[ KERNEL, HEAP, ARG0 ];
1997     delete $heap->{task}->{$task_id};
1998 }
1999
2000
2001 sub create_sources_list {
2002         my $session_id = shift;
2003         my $ldap_handle = &main::get_ldap_handle;
2004         my $result="/tmp/gosa_si_tmp_sources_list";
2005
2006         # Remove old file
2007         if(stat($result)) {
2008                 unlink($result);
2009                 &main::daemon_log("$session_id DEBUG: remove an old version of '$result'", 7);
2010         }
2011
2012         my $fh;
2013         open($fh, ">$result");
2014         if (not defined $fh) {
2015                 &main::daemon_log("$session_id DEBUG: cannot open '$result' for writing", 7);
2016                 return undef;
2017         }
2018         if(defined($main::ldap_server_dn) and length($main::ldap_server_dn) > 0) {
2019                 my $mesg=$ldap_handle->search(
2020                         base    => $main::ldap_server_dn,
2021                         scope   => 'base',
2022                         attrs   => 'FAIrepository',
2023                         filter  => 'objectClass=FAIrepositoryServer'
2024                 );
2025                 if($mesg->count) {
2026                         foreach my $entry(@{$mesg->{'entries'}}) {
2027                                 foreach my $value(@{$entry->get_value('FAIrepository', asref => 1)}) {
2028                                         my ($server, $tag, $release, $sections)= split /\|/, $value;
2029                                         my $line = "deb $server $release";
2030                                         $sections =~ s/,/ /g;
2031                                         $line.= " $sections";
2032                                         print $fh $line."\n";
2033                                 }
2034                         }
2035                 }
2036         } else {
2037                 if (defined $main::ldap_server_dn){
2038                         &main::daemon_log("$session_id ERROR: something wrong with ldap_server_dn '$main::ldap_server_dn', abort create_sources_list", 1);
2039                 } else {
2040                         &main::daemon_log("$session_id ERROR: no ldap_server_dn found, abort create_sources_list", 1);
2041                 }
2042         }
2043         close($fh);
2044
2045         return $result;
2046 }
2047
2048
2049 sub run_create_packages_list_db {
2050     my ($session, $heap) = @_[SESSION, HEAP];
2051         my $session_id = $session->ID;
2052
2053         my $task = POE::Wheel::Run->new(
2054                                         Program => sub {&create_packages_list_db(undef, undef, $session_id)},
2055                                         StdoutEvent  => "session_run_result",
2056                                         StderrEvent  => "session_run_debug",
2057                                         CloseEvent   => "session_run_done",
2058                                         );
2059         $heap->{task}->{ $task->ID } = $task;
2060 }
2061
2062
2063 sub create_packages_list_db {
2064         my ($ldap_handle, $sources_file, $session_id) = @_;
2065
2066         # it should not be possible to trigger a recreation of packages_list_db
2067         # while packages_list_db is under construction, so set flag packages_list_under_construction
2068         # which is tested befor recreation can be started
2069         if (-r $packages_list_under_construction) {
2070                 daemon_log("$session_id WARNING: packages_list_db is right now under construction, please wait until this process is finished", 3);
2071                 return;
2072         } else {
2073                 daemon_log("$session_id INFO: create_packages_list_db: start", 5);
2074                 # set packages_list_under_construction to true
2075                 system("touch $packages_list_under_construction");
2076                 @packages_list_statements=undef;
2077         }
2078
2079         if (not defined $session_id) { $session_id = 0; }
2080         if (not defined $ldap_handle) {
2081                 $ldap_handle= &get_ldap_handle();
2082
2083                 if (not defined $ldap_handle) {
2084                         daemon_log("$session_id ERROR: no ldap_handle available to create_packages_list_db", 1);
2085                         unlink($packages_list_under_construction);
2086                         return;
2087                 }
2088         }
2089         if (not defined $sources_file) {
2090                 &main::daemon_log("$session_id INFO: no sources_file given for creating packages list so trigger creation of it", 5);
2091                 $sources_file = &create_sources_list($session_id);
2092         }
2093
2094         if (not defined $sources_file) {
2095                 &main::daemon_log("$session_id ERROR: no sources_file given under '$sources_file', skip create_packages_list_db", 1);
2096                 unlink($packages_list_under_construction);
2097                 return;
2098         }
2099
2100         my $line;
2101
2102         open(CONFIG, "<$sources_file") or do {
2103                 daemon_log( "$session_id ERROR: create_packages_list_db: Failed to open '$sources_file'", 1);
2104                 unlink($packages_list_under_construction);
2105                 return;
2106         };
2107
2108         # Read lines
2109         while ($line = <CONFIG>){
2110                 # Unify
2111                 chop($line);
2112                 $line =~ s/^\s+//;
2113                 $line =~ s/^\s+/ /;
2114
2115                 # Strip comments
2116                 $line =~ s/#.*$//g;
2117
2118                 # Skip empty lines
2119                 if ($line =~ /^\s*$/){
2120                         next;
2121                 }
2122
2123                 # Interpret deb line
2124                 if ($line =~ /^deb [^\s]+\s[^\s]+\s[^\s]+/){
2125                         my( $baseurl, $dist, $sections ) = ($line =~ /^deb\s([^\s]+)\s+([^\s]+)\s+(.*)$/);
2126                         my $section;
2127                         foreach $section (split(' ', $sections)){
2128                                 &parse_package_info( $baseurl, $dist, $section, $session_id );
2129                         }
2130                 }
2131         }
2132
2133         close (CONFIG);
2134
2135         find(\&cleanup_and_extract, keys( %repo_dirs ));
2136         $packages_list_db->exec_statementlist(\@packages_list_statements);
2137         unlink($packages_list_under_construction);
2138         daemon_log("$session_id INFO: create_packages_list_db: finished", 5);
2139         return;
2140 }
2141
2142
2143 sub parse_package_info {
2144     my ($baseurl, $dist, $section, $session_id)= @_;
2145     my ($package);
2146     if (not defined $session_id) { $session_id = 0; }
2147     my ($path) = ($baseurl =~ m%://[^/]*(.*)$%);
2148     $repo_dirs{ "${repo_path}/pool" } = 1;
2149
2150     foreach $package ("Packages.gz"){
2151         daemon_log("$session_id DEBUG: create_packages_list: fetch $baseurl, $dist, $section", 7);
2152         get_package( "$baseurl/dists/$dist/$section/binary-$arch/$package", "$outdir/$dist/$section", $session_id );
2153         parse_package( "$outdir/$dist/$section", $dist, $path, $session_id );
2154     }
2155
2156 }
2157
2158
2159 sub get_package {
2160     my ($url, $dest, $session_id)= @_;
2161     if (not defined $session_id) { $session_id = 0; }
2162
2163     my $tpath = dirname($dest);
2164     -d "$tpath" || mkpath "$tpath";
2165
2166     # This is ugly, but I've no time to take a look at "how it works in perl"
2167     if(0 == system("wget '$url' -O '$dest' 2>/dev/null") ) {
2168         system("gunzip -cd '$dest' > '$dest.in'");
2169         daemon_log("$session_id DEBUG: run command: gunzip -cd '$dest' > '$dest.in'", 5);
2170         unlink($dest);
2171         daemon_log("$session_id DEBUG: delete file '$dest'", 5);
2172     } else {
2173         daemon_log("$session_id ERROR: create_packages_list_db: get_packages: fetching '$url' failed!", 1);
2174     }
2175     return 0;
2176 }
2177
2178
2179 sub parse_package {
2180     my ($path, $dist, $srv_path, $session_id)= @_;
2181     if (not defined $session_id) { $session_id = 0;}
2182     my ($package, $version, $section, $description);
2183     my $PACKAGES;
2184     my $timestamp = &get_time();
2185
2186     if(not stat("$path.in")) {
2187         daemon_log("$session_id ERROR: create_packages_list: parse_package: file '$path.in' is not readable",1);
2188         return;
2189     }
2190
2191     open($PACKAGES, "<$path.in");
2192     if(not defined($PACKAGES)) {
2193         daemon_log("$session_id ERROR: create_packages_list_db: parse_package: cannot open '$path.in'",1);
2194         return;
2195     }
2196
2197     # Read lines
2198     while (<$PACKAGES>){
2199         my $line = $_;
2200         # Unify
2201         chop($line);
2202
2203         # Use empty lines as a trigger
2204         if ($line =~ /^\s*$/){
2205             my $sql = "INSERT INTO packages_list VALUES ('$dist', '$package', '$version', '$section', '', 'none', '$timestamp')";
2206             push(@packages_list_statements, $sql);
2207             $package = "none";
2208             $version = "none";
2209             $section = "none";
2210             $description = "none";
2211             next;
2212         }
2213
2214         # Trigger for package name
2215         if ($line =~ /^Package:\s/){
2216             ($package)= ($line =~ /^Package: (.*)$/);
2217             next;
2218         }
2219
2220         # Trigger for version
2221         if ($line =~ /^Version:\s/){
2222             ($version)= ($line =~ /^Version: (.*)$/);
2223             next;
2224         }
2225
2226         # Trigger for description
2227         if ($line =~ /^Description:\s/){
2228             ($description)= ($line =~ /^Description: (.*)$/);
2229             next;
2230         }
2231
2232         # Trigger for section
2233         if ($line =~ /^Section:\s/){
2234             ($section)= ($line =~ /^Section: (.*)$/);
2235             next;
2236         }
2237
2238         # Trigger for filename
2239         if ($line =~ /^Filename:\s/){
2240             my ($filename) = ($line =~ /^Filename: (.*)$/);
2241             store_fileinfo( $package, $filename, $dist, $srv_path, $version, $repo_path );
2242             next;
2243         }
2244     }
2245
2246     close( $PACKAGES );
2247     unlink( "$path.in" );
2248     &main::daemon_log("$session_id DEBUG: unlink '$path.in'", 1);
2249 }
2250
2251
2252 sub store_fileinfo {
2253     my( $package, $file, $dist, $path, $vers, $srvdir) = @_;
2254
2255     my %fileinfo = (
2256         'package' => $package,
2257         'dist' => $dist,
2258         'version' => $vers,
2259     );
2260
2261     $repo_files{ "${srvdir}/$file" } = \%fileinfo;
2262 }
2263
2264
2265 sub cleanup_and_extract {
2266     my $fileinfo = $repo_files{ $File::Find::name };
2267
2268     if( defined $fileinfo ) {
2269
2270         my $dir = "$outdir/$fileinfo->{ 'dist' }/debconf.d";
2271         my $sql;
2272         my $package = $fileinfo->{ 'package' };
2273         my $newver = $fileinfo->{ 'version' };
2274
2275         mkpath($dir);
2276         system( "dpkg -e '$File::Find::name' '$dir/DEBIAN'" );
2277
2278         if( -f "$dir/DEBIAN/templates" ) {
2279
2280             daemon_log("DEBUG: Found debconf templates in '$package' - $newver", 5);
2281
2282             my $tmpl= "";
2283             {
2284                 local $/=undef;
2285                 open FILE, "$dir/DEBIAN/templates";
2286                 $tmpl = &encode_base64(<FILE>);
2287                 close FILE;
2288             }
2289             rmtree("$dir/DEBIAN/templates");
2290
2291             $sql= "update $main::packages_list_tn set template = '$tmpl' where package = '$package' and version = '$newver';";
2292
2293         } else {
2294             $sql= "update $main::packages_list_tn set template = '' where package = '$package' and version = '$newver';";
2295         }
2296
2297         push @packages_list_statements, $sql;
2298     }
2299
2300     return;
2301 }
2302
2303
2304 #==== MAIN = main ==============================================================
2305 #  parse commandline options
2306 Getopt::Long::Configure( "bundling" );
2307 GetOptions("h|help" => \&usage,
2308         "c|config=s" => \$cfg_file,
2309         "f|foreground" => \$foreground,
2310         "v|verbose+" => \$verbose,
2311         "no-bus+" => \$no_bus,
2312         "no-arp+" => \$no_arp,
2313            );
2314
2315 #  read and set config parameters
2316 &check_cmdline_param ;
2317 &read_configfile;
2318 &check_pid;
2319
2320 $SIG{CHLD} = 'IGNORE';
2321
2322 # forward error messages to logfile
2323 if( ! $foreground ) {
2324   open( STDIN,  '+>/dev/null' );
2325   open( STDOUT, '+>&STDIN'    );
2326   open( STDERR, '+>&STDIN'    );
2327 }
2328
2329 # Just fork, if we are not in foreground mode
2330 if( ! $foreground ) {
2331     chdir '/'                 or die "Can't chdir to /: $!";
2332     $pid = fork;
2333     setsid                    or die "Can't start a new session: $!";
2334     umask 0;
2335 } else {
2336     $pid = $$;
2337 }
2338
2339 # Do something useful - put our PID into the pid_file
2340 if( 0 != $pid ) {
2341     open( LOCK_FILE, ">$pid_file" );
2342     print LOCK_FILE "$pid\n";
2343     close( LOCK_FILE );
2344     if( !$foreground ) {
2345         exit( 0 )
2346     };
2347 }
2348
2349 daemon_log(" ", 1);
2350 daemon_log("$0 started!", 1);
2351
2352 if ($no_bus > 0) {
2353     $bus_activ = "false"
2354 }
2355
2356 # connect to gosa-si job queue
2357 $job_db = GOSA::DBsqlite->new($job_queue_file_name);
2358 $job_db->create_table($job_queue_tn, \@job_queue_col_names);
2359
2360 # connect to known_clients_db
2361 $known_clients_db = GOSA::DBsqlite->new($known_clients_file_name);
2362 $known_clients_db->create_table($known_clients_tn, \@known_clients_col_names);
2363
2364 # connect to known_server_db
2365 $known_server_db = GOSA::DBsqlite->new($known_server_file_name);
2366 $known_server_db->create_table($known_server_tn, \@known_server_col_names);
2367
2368 # connect to login_usr_db
2369 $login_users_db = GOSA::DBsqlite->new($login_users_file_name);
2370 $login_users_db->create_table($login_users_tn, \@login_users_col_names);
2371
2372 # connect to fai_server_db and fai_release_db
2373 unlink($fai_server_file_name);
2374 $fai_server_db = GOSA::DBsqlite->new($fai_server_file_name);
2375 $fai_server_db->create_table($fai_server_tn, \@fai_server_col_names);
2376
2377 unlink($fai_release_file_name);
2378 $fai_release_db = GOSA::DBsqlite->new($fai_release_file_name);
2379 $fai_release_db->create_table($fai_release_tn, \@fai_release_col_names);
2380
2381 # connect to packages_list_db
2382 unlink($packages_list_file_name);
2383 unlink($packages_list_under_construction);
2384 $packages_list_db = GOSA::DBsqlite->new($packages_list_file_name);
2385 $packages_list_db->create_table($packages_list_tn, \@packages_list_col_names);
2386
2387 # connect to messaging_db
2388 $messaging_db = GOSA::DBsqlite->new($messaging_file_name);
2389 $messaging_db->create_table($messaging_tn, \@messaging_col_names);
2390
2391
2392 # create xml object used for en/decrypting
2393 $xml = new XML::Simple();
2394
2395 # create socket for incoming xml messages
2396
2397 POE::Component::Server::TCP->new(
2398         Port => $server_port,
2399         ClientInput => sub {
2400         my ($kernel, $input) = @_[KERNEL, ARG0];
2401         push(@tasks, $input);
2402         $kernel->yield("next_task");
2403         },
2404     InlineStates => {
2405         next_task => \&next_task,
2406         task_result => \&handle_task_result,
2407         task_done   => \&handle_task_done,
2408         task_debug  => \&handle_task_debug,
2409         child_reap => sub { "Do nothing special. I'm just a comment, but i'm necessary!"  },
2410     }
2411 );
2412
2413 daemon_log("start socket for incoming xml messages at port '$server_port' ", 1);
2414
2415 # create session for repeatedly checking the job queue for jobs
2416 POE::Session->create(
2417         inline_states => {
2418                 _start => \&_start,
2419                 sig_handler => \&sig_handler,
2420         watch_for_new_messages => \&watch_for_new_messages,
2421         watch_for_done_messages => \&watch_for_done_messages,
2422                 watch_for_new_jobs => \&watch_for_new_jobs,
2423         watch_for_done_jobs => \&watch_for_done_jobs,
2424         create_packages_list_db => \&run_create_packages_list_db,
2425         create_fai_server_db => \&run_create_fai_server_db,
2426         create_fai_release_db => \&run_create_fai_release_db,
2427         session_run_result => \&session_run_result,
2428         session_run_debug => \&session_run_debug,
2429         session_run_done => \&session_run_done,
2430         child_reap => sub { "Do nothing special. I'm just a comment, but i'm necessary!"  },
2431         }
2432 );
2433
2434
2435 # import all modules
2436 &import_modules;
2437
2438 # check wether all modules are gosa-si valid passwd check
2439
2440 POE::Kernel->run();
2441 exit;
2442