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 my $server_version = '$HeadURL: https://oss.gonicus.de/repositories/gosa/trunk/gosa-si/gosa-si-server $:$Rev$';
  24
  25 use strict;
  26 use warnings;
  27 use Getopt::Long;
  28 use Config::IniFiles;
  29 use POSIX;
  30
  31 use Fcntl qw/:flock/;
  32 use IO::Socket::INET;
  33 use IO::Handle;
  34 use IO::Select;
  35 use Symbol qw(qualify_to_ref);
  36 use Crypt::Rijndael;
  37 use MIME::Base64;
  38 use Digest::MD5  qw(md5 md5_hex md5_base64);
  39 use XML::Simple;
  40 use Data::Dumper;
  41 use Sys::Syslog qw( :DEFAULT setlogsock);
  42 use Time::HiRes qw( usleep);
  43 use Cwd;
  44 use File::Spec;
  45 use File::Basename;
  46 use File::Find;
  47 use File::Copy;
  48 use File::Path;
  49 use GOSA::GosaSupportDaemon;
  50 use POE qw(Component::Server::TCP Wheel::Run Filter::Reference);
  51 use Net::LDAP;
  52 use Net::LDAP::Util qw(:escape);
  53
  54 # revision number of server and program name
  55 my $server_headURL;
  56 my $server_revision;
  57 my $server_status;
  58 our $prg= basename($0);
  59 our $verbose= 0;
  60
  61 my $db_module = "DBsqlite";
  62 {
  63 no strict "refs";
  64 require ("GOSA/".$db_module.".pm");
  65 ("GOSA/".$db_module)->import;
  66 daemon_log("0 INFO: importing database module '$db_module'", 1);
  67 }
  68
  69 my $modules_path = "/usr/lib/gosa-si/modules";
  70 use lib "/usr/lib/gosa-si/modules";
  71
  72 our $global_kernel;
  73 my ($foreground, $ping_timeout);
  74 my ($server);
  75 my ($gosa_server, $job_queue_timeout, $job_queue_loop_delay);
  76 my ($messaging_db_loop_delay);
  77 my ($procid, $pid);
  78 my $arp_fifo;
  79 my ($xml);
  80 my $sources_list;
  81 my $max_clients;
  82 my %repo_files=();
  83 my $repo_path;
  84 my %repo_dirs=();
  85
  86 # Variables declared in config file are always set to 'our'
  87 our (%cfg_defaults, $log_file, $pid_file,
  88     $server_ip, $server_port, $ClientPackages_key, $dns_lookup,
  89     $arp_activ, $gosa_unit_tag,
  90     $GosaPackages_key, $gosa_timeout,
  91     $foreign_server_string, $server_domain, $ServerPackages_key, $foreign_servers_register_delay,
  92     $wake_on_lan_passwd, $job_synchronization, $modified_jobs_loop_delay,
  93     $arp_enabled, $arp_interface,
  94     $opsi_enabled, $opsi_server, $opsi_admin, $opsi_password,
  95                 $new_systems_ou,
  96 );
  97
  98 # additional variable which should be globaly accessable
  99 our $server_address;
 100 our $server_mac_address;
 101 our $gosa_address;
 102 our $no_arp;
 103 our $forground;
 104 our $cfg_file;
 105 our ($ldap_uri, $ldap_base, $ldap_admin_dn, $ldap_admin_password, $ldap_server_dn, $ldap_version);
 106 our ($mysql_username, $mysql_password, $mysql_database, $mysql_host);
 107 our $known_modules;
 108 our $root_uid;
 109 our $adm_gid;
 110
 111 # if foreground is not null, script will be not forked to background
 112 $foreground = 0 ;
 113
 114 # specifies the timeout seconds while checking the online status of a registrating client
 115 $ping_timeout = 5;
 116
 117 $no_arp = 0;
 118 my $packages_list_under_construction = "/tmp/packages_list_creation_in_progress";
 119 my @packages_list_statements;
 120 my $watch_for_new_jobs_in_progress = 0;
 121
 122 # holds all incoming decrypted messages
 123 our $incoming_db;
 124 our $incoming_tn = 'incoming';
 125 my $incoming_file_name;
 126 my @incoming_col_names = ("id INTEGER PRIMARY KEY",
 127         "timestamp VARCHAR(14) DEFAULT 'none'",
 128         "headertag VARCHAR(255) DEFAULT 'none'",
 129         "targettag VARCHAR(255) DEFAULT 'none'",
 130         "xmlmessage TEXT",
 131         "module VARCHAR(255) DEFAULT 'none'",
 132         "sessionid VARCHAR(255) DEFAULT '0'",
 133 );
 134
 135 # holds all gosa jobs
 136 our $job_db;
 137 our $job_queue_tn = 'jobs';
 138 my $job_queue_file_name;
 139 my @job_queue_col_names = ("id INTEGER PRIMARY KEY",
 140         "timestamp VARCHAR(14) DEFAULT 'none'",
 141         "status VARCHAR(255) DEFAULT 'none'",
 142         "result TEXT",
 143         "progress VARCHAR(255) DEFAULT 'none'",
 144         "headertag VARCHAR(255) DEFAULT 'none'",
 145         "targettag VARCHAR(255) DEFAULT 'none'",
 146         "xmlmessage TEXT",
 147         "macaddress VARCHAR(17) DEFAULT 'none'",
 148         "plainname VARCHAR(255) DEFAULT 'none'",
 149         "siserver VARCHAR(255) DEFAULT 'none'",
 150         "modified INTEGER DEFAULT '0'",
 151 );
 152
 153 # holds all other gosa-si-server
 154 our $known_server_db;
 155 our $known_server_tn = "known_server";
 156 my $known_server_file_name;
 157 my @known_server_col_names = ("hostname VARCHAR(255)", "macaddress VARCHAR(17)", "status VARCHAR(255)", "hostkey VARCHAR(255)", "loaded_modules TEXT", "timestamp VARCHAR(14)", "update_time VARCHAR(14)");
 158
 159 # holds all registrated clients
 160 our $known_clients_db;
 161 our $known_clients_tn = "known_clients";
 162 my $known_clients_file_name;
 163 my @known_clients_col_names = ("hostname VARCHAR(255)", "status VARCHAR(255)", "hostkey VARCHAR(255)", "timestamp VARCHAR(14)", "macaddress VARCHAR(17)", "events TEXT", "keylifetime VARCHAR(255)");
 164
 165 # holds all registered clients at a foreign server
 166 our $foreign_clients_db;
 167 our $foreign_clients_tn = "foreign_clients";
 168 my $foreign_clients_file_name;
 169 my @foreign_clients_col_names = ("hostname VARCHAR(255)", "macaddress VARCHAR(17)", "regserver VARCHAR(255)", "timestamp VARCHAR(14)");
 170
 171 # holds all logged in user at each client
 172 our $login_users_db;
 173 our $login_users_tn = "login_users";
 174 my $login_users_file_name;
 175 my @login_users_col_names = ("client VARCHAR(255)", "user VARCHAR(255)", "timestamp VARCHAR(14)", "regserver VARCHAR(255) DEFAULT 'localhost'");
 176
 177 # holds all fai server, the debian release and tag
 178 our $fai_server_db;
 179 our $fai_server_tn = "fai_server";
 180 my $fai_server_file_name;
 181 our @fai_server_col_names = ("timestamp VARCHAR(14)", "server VARCHAR(255)", "fai_release VARCHAR(255)", "sections VARCHAR(255)", "tag VARCHAR(255)");
 182
 183 our $fai_release_db;
 184 our $fai_release_tn = "fai_release";
 185 my $fai_release_file_name;
 186 our @fai_release_col_names = ("timestamp VARCHAR(14)", "fai_release VARCHAR(255)", "class VARCHAR(255)", "type VARCHAR(255)", "state VARCHAR(255)");
 187
 188 # holds all packages available from different repositories
 189 our $packages_list_db;
 190 our $packages_list_tn = "packages_list";
 191 my $packages_list_file_name;
 192 our @packages_list_col_names = ("distribution VARCHAR(255)", "package VARCHAR(255)", "version VARCHAR(255)", "section VARCHAR(255)", "description TEXT", "template LONGBLOB", "timestamp VARCHAR(14)");
 193 my $outdir = "/tmp/packages_list_db";
 194 my $arch = "i386";
 195
 196 # holds all messages which should be delivered to a user
 197 our $messaging_db;
 198 our $messaging_tn = "messaging";
 199 our @messaging_col_names = ("id INTEGER", "subject TEXT", "message_from VARCHAR(255)", "message_to VARCHAR(255)",
 200         "flag VARCHAR(255)", "direction VARCHAR(255)", "delivery_time VARCHAR(255)", "message TEXT", "timestamp VARCHAR(14)" );
 201 my $messaging_file_name;
 202
 203 # path to directory to store client install log files
 204 our $client_fai_log_dir = "/var/log/fai";
 205
 206 # queue which stores taskes until one of the $max_children children are ready to process the task
 207 #my @tasks = qw();
 208 my @msgs_to_decrypt = qw();
 209 my $max_children = 2;
 210
 211
 212 # loop delay for job queue to look for opsi jobs
 213 my $job_queue_opsi_delay = 10;
 214 our $opsi_client;
 215 our $opsi_url;
 216
 217 # Lifetime of logged in user information. If no update information comes after n seconds,
 218 # the user is expeceted to be no longer logged in or the host is no longer running. Because
 219 # of this, the user is deleted from login_users_db
 220 our $logged_in_user_date_of_expiry = 600;
 221
 222
 223 %cfg_defaults = (
 224 "general" => {
 225     "log-file" => [\$log_file, "/var/run/".$prg.".log"],
 226     "pid-file" => [\$pid_file, "/var/run/".$prg.".pid"],
 227     },
 228 "server" => {
 229     "ip"                    => [\$server_ip, "0.0.0.0"],
 230     "port"                  => [\$server_port, "20081"],
 231     "known-clients"         => [\$known_clients_file_name, '/var/lib/gosa-si/clients.db' ],
 232     "known-servers"         => [\$known_server_file_name, '/var/lib/gosa-si/servers.db'],
 233     "incoming"              => [\$incoming_file_name, '/var/lib/gosa-si/incoming.db'],
 234     "login-users"           => [\$login_users_file_name, '/var/lib/gosa-si/users.db'],
 235     "fai-server"            => [\$fai_server_file_name, '/var/lib/gosa-si/fai_server.db'],
 236     "fai-release"           => [\$fai_release_file_name, '/var/lib/gosa-si/fai_release.db'],
 237     "packages-list"         => [\$packages_list_file_name, '/var/lib/gosa-si/packages.db'],
 238     "messaging"             => [\$messaging_file_name, '/var/lib/gosa-si/messaging.db'],
 239     "foreign-clients"       => [\$foreign_clients_file_name, '/var/lib/gosa-si/foreign_clients.db'],
 240     "source-list"           => [\$sources_list, '/etc/apt/sources.list'],
 241     "repo-path"             => [\$repo_path, '/srv/www/repository'],
 242     "ldap-uri"              => [\$ldap_uri, ""],
 243     "ldap-base"             => [\$ldap_base, ""],
 244     "ldap-admin-dn"         => [\$ldap_admin_dn, ""],
 245     "ldap-admin-password"   => [\$ldap_admin_password, ""],
 246     "ldap-version"          => [\$ldap_version, 3],
 247     "gosa-unit-tag"         => [\$gosa_unit_tag, ""],
 248     "max-clients"           => [\$max_clients, 10],
 249     "wol-password"          => [\$wake_on_lan_passwd, ""],
 250         "mysql-username"        => [\$mysql_username, "gosa_si"],
 251         "mysql-password"        => [\$mysql_password, ""],
 252         "mysql-database"        => [\$mysql_database, "gosa_si"],
 253         "mysql-host"            => [\$mysql_host, "127.0.0.1"],
 254     },
 255 "GOsaPackages" => {
 256     "job-queue" => [\$job_queue_file_name, '/var/lib/gosa-si/jobs.db'],
 257     "job-queue-loop-delay" => [\$job_queue_loop_delay, 3],
 258     "messaging-db-loop-delay" => [\$messaging_db_loop_delay, 3],
 259     "key" => [\$GosaPackages_key, "none"],
 260                 "new-systems-ou" => [\$new_systems_ou, 'ou=workstations,ou=systems'],
 261     },
 262 "ClientPackages" => {
 263     "key" => [\$ClientPackages_key, "none"],
 264     "user-date-of-expiry" => [\$logged_in_user_date_of_expiry, 600],
 265     },
 266 "ServerPackages"=> {
 267     "address"      => [\$foreign_server_string, ""],
 268     "dns-lookup"            => [\$dns_lookup, "true"],
 269     "domain"  => [\$server_domain, ""],
 270     "key"     => [\$ServerPackages_key, "none"],
 271     "key-lifetime" => [\$foreign_servers_register_delay, 120],
 272     "job-synchronization-enabled" => [\$job_synchronization, "true"],
 273     "synchronization-loop" => [\$modified_jobs_loop_delay, 5],
 274     },
 275 "ArpHandler" => {
 276     "enabled"   => [\$arp_enabled, "true"],
 277     "interface" => [\$arp_interface, "all"],
 278         },
 279 "Opsi" => {
 280     "enabled"  => [\$opsi_enabled, "false"],
 281     "server"   => [\$opsi_server, "localhost"],
 282     "admin"    => [\$opsi_admin, "opsi-admin"],
 283     "password" => [\$opsi_password, "secret"],
 284    },
 285
 286 );
 287
 288
 289 #===  FUNCTION  ================================================================
 290 #         NAME:  usage
 291 #   PARAMETERS:  nothing
 292 #      RETURNS:  nothing
 293 #  DESCRIPTION:  print out usage text to STDERR
 294 #===============================================================================
 295 sub usage {
 296     print STDERR << "EOF" ;
 297 usage: $prg [-hvf] [-c config]
 298
 299            -h        : this (help) message
 300            -c <file> : config file
 301            -f        : foreground, process will not be forked to background
 302            -v        : be verbose (multiple to increase verbosity)
 303            -no-arp   : starts $prg without connection to arp module
 304
 305 EOF
 306     print "\n" ;
 307 }
 308
 309
 310 #===  FUNCTION  ================================================================
 311 #         NAME:  logging
 312 #   PARAMETERS:  level - string - default 'info'
 313 #                msg - string -
 314 #                facility - string - default 'LOG_DAEMON'
 315 #      RETURNS:  nothing
 316 #  DESCRIPTION:  function for logging
 317 #===============================================================================
 318 sub daemon_log {
 319     # log into log_file
 320     my( $msg, $level ) = @_;
 321     if(not defined $msg) { return }
 322     if(not defined $level) { $level = 1 }
 323                 if($level > $verbose) { return }
 324     if(defined $log_file){
 325         my $open_log_fh = sysopen(LOG_HANDLE, $log_file, O_WRONLY | O_CREAT | O_APPEND , 0440);
 326         if(not $open_log_fh) {
 327             print STDERR "cannot open $log_file: $!";
 328             return;
 329         }
 330         # check owner and group of log_file and update settings if necessary
 331         my ($dev, $ino, $mode, $nlink, $uid, $gid, $rdev, $size, $atime, $mtime, $ctime, $blksize, $blocks) = stat($log_file);
 332         if((not $uid eq $root_uid) || (not $gid eq $adm_gid)) {
 333             chown($root_uid, $adm_gid, $log_file);
 334                 }
 335
 336         chomp($msg);
 337         #$msg =~s/\n//g;   # no newlines are allowed in log messages, this is important for later log parsing
 338         if($level <= $verbose){
 339             my ($seconds, $minutes, $hours, $monthday, $month,
 340                     $year, $weekday, $yearday, $sommertime) = localtime(time);
 341             $hours = $hours < 10 ? $hours = "0".$hours : $hours;
 342             $minutes = $minutes < 10 ? $minutes = "0".$minutes : $minutes;
 343             $seconds = $seconds < 10 ? $seconds = "0".$seconds : $seconds;
 344             my @monthnames = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
 345             $month = $monthnames[$month];
 346             $monthday = $monthday < 10 ? $monthday = "0".$monthday : $monthday;
 347             $year+=1900;
 348             my $name = $prg;
 349
 350             my $log_msg = "$month $monthday $hours:$minutes:$seconds $name $msg\n";
 351                         flock(LOG_HANDLE, LOCK_EX);
 352                         seek(LOG_HANDLE, 0, 2);
 353             print LOG_HANDLE $log_msg;
 354                         flock(LOG_HANDLE, LOCK_UN);
 355             if( $foreground ) {
 356                 print STDERR $log_msg;
 357             }
 358         }
 359         close( LOG_HANDLE );
 360     }
 361 }
 362
 363
 364 #===  FUNCTION  ================================================================
 365 #         NAME:  check_cmdline_param
 366 #   PARAMETERS:  nothing
 367 #      RETURNS:  nothing
 368 #  DESCRIPTION:  validates commandline parameter
 369 #===============================================================================
 370 sub check_cmdline_param () {
 371     my $err_config;
 372     my $err_counter = 0;
 373         if(not defined($cfg_file)) {
 374                 $cfg_file = "/etc/gosa-si/server.conf";
 375                 if(! -r $cfg_file) {
 376                         $err_config = "please specify a config file";
 377                         $err_counter += 1;
 378                 }
 379     }
 380     if( $err_counter > 0 ) {
 381         &usage( "", 1 );
 382         if( defined( $err_config)) { print STDERR "$err_config\n"}
 383         print STDERR "\n";
 384         exit( -1 );
 385     }
 386 }
 387
 388
 389 #===  FUNCTION  ================================================================
 390 #         NAME:  check_pid
 391 #   PARAMETERS:  nothing
 392 #      RETURNS:  nothing
 393 #  DESCRIPTION:  handels pid processing
 394 #===============================================================================
 395 sub check_pid {
 396     $pid = -1;
 397     # Check, if we are already running
 398     if( open(LOCK_FILE, "<$pid_file") ) {
 399         $pid = <LOCK_FILE>;
 400         if( defined $pid ) {
 401             chomp( $pid );
 402             if( -f "/proc/$pid/stat" ) {
 403                 my($stat) = `cat /proc/$pid/stat` =~ m/$pid \((.+)\).*/;
 404                 if( $stat ) {
 405                                         print STDERR "\nERROR: Already running!\n";
 406                     close( LOCK_FILE );
 407                     exit -1;
 408                 }
 409             }
 410         }
 411         close( LOCK_FILE );
 412         unlink( $pid_file );
 413     }
 414
 415     # create a syslog msg if it is not to possible to open PID file
 416     if (not sysopen(LOCK_FILE, $pid_file, O_WRONLY|O_CREAT|O_EXCL, 0644)) {
 417         my($msg) = "Couldn't obtain lockfile '$pid_file' ";
 418         if (open(LOCK_FILE, '<', $pid_file)
 419                 && ($pid = <LOCK_FILE>))
 420         {
 421             chomp($pid);
 422             $msg .= "(PID $pid)\n";
 423         } else {
 424             $msg .= "(unable to read PID)\n";
 425         }
 426         if( ! ($foreground) ) {
 427             openlog( $0, "cons,pid", "daemon" );
 428             syslog( "warning", $msg );
 429             closelog();
 430         }
 431         else {
 432             print( STDERR " $msg " );
 433         }
 434         exit( -1 );
 435     }
 436 }
 437
 438 #===  FUNCTION  ================================================================
 439 #         NAME:  import_modules
 440 #   PARAMETERS:  module_path - string - abs. path to the directory the modules
 441 #                are stored
 442 #      RETURNS:  nothing
 443 #  DESCRIPTION:  each file in module_path which ends with '.pm' and activation
 444 #                state is on is imported by "require 'file';"
 445 #===============================================================================
 446 sub import_modules {
 447     if (not -e $modules_path) {
 448         daemon_log("0 ERROR: cannot find directory or directory is not readable: $modules_path", 1);
 449     }
 450
 451     opendir (DIR, $modules_path) or die "ERROR while loading modules from directory $modules_path : $!\n";
 452
 453     while (defined (my $file = readdir (DIR))) {
 454         if (not $file =~ /(\S*?).pm$/) {
 455             next;
 456         }
 457                 my $mod_name = $1;
 458
 459         # ArpHandler switch
 460         if( $file =~ /ArpHandler.pm/ ) {
 461             if( $arp_enabled eq "false" ) { next; }
 462         }
 463
 464         eval { require $file; };
 465         if ($@) {
 466             daemon_log("0 ERROR: gosa-si-server could not load module $file", 1);
 467             daemon_log("$@", 1);
 468             exit;
 469                 } else {
 470                         my $info = eval($mod_name.'::get_module_info()');
 471                         # Only load module if get_module_info() returns a non-null object
 472                         if( $info ) {
 473                                 my ($input_address, $input_key, $event_hash) = @{$info};
 474                                 $known_modules->{$mod_name} = $info;
 475                                 daemon_log("0 INFO: module $mod_name loaded", 5);
 476                         }
 477                 }
 478     }
 479     close (DIR);
 480 }
 481
 482 #===  FUNCTION  ================================================================
 483 #         NAME:  password_check
 484 #   PARAMETERS:  nothing
 485 #      RETURNS:  nothing
 486 #  DESCRIPTION:  escalates an critical error if two modules exist which are avaialable by
 487 #                the same password
 488 #===============================================================================
 489 sub password_check {
 490     my $passwd_hash = {};
 491     while (my ($mod_name, $mod_info) = each %$known_modules) {
 492         my $mod_passwd = @$mod_info[1];
 493         if (not defined $mod_passwd) { next; }
 494         if (not exists $passwd_hash->{$mod_passwd}) {
 495             $passwd_hash->{$mod_passwd} = $mod_name;
 496
 497         # escalates critical error
 498         } else {
 499             &daemon_log("0 ERROR: two loaded modules do have the same password. Please modify the 'key'-parameter in config file");
 500             &daemon_log("0 ERROR: module='$mod_name' and module='".$passwd_hash->{$mod_passwd}."'");
 501             exit( -1 );
 502         }
 503     }
 504
 505 }
 506
 507
 508 #===  FUNCTION  ================================================================
 509 #         NAME:  sig_int_handler
 510 #   PARAMETERS:  signal - string - signal arose from system
 511 #      RETURNS:  nothing
 512 #  DESCRIPTION:  handels tasks to be done befor signal becomes active
 513 #===============================================================================
 514 sub sig_int_handler {
 515     my ($signal) = @_;
 516
 517 #       if (defined($ldap_handle)) {
 518 #               $ldap_handle->disconnect;
 519 #       }
 520     # TODO alle verbliebenden ldap verbindungen aus allen heaps beenden
 521
 522
 523     daemon_log("shutting down gosa-si-server", 1);
 524     system("kill `ps -C gosa-si-server -o pid=`");
 525 }
 526 $SIG{INT} = \&sig_int_handler;
 527
 528
 529 sub check_key_and_xml_validity {
 530     my ($crypted_msg, $module_key, $session_id) = @_;
 531     my $msg;
 532     my $msg_hash;
 533     my $error_string;
 534     eval{
 535         $msg = &decrypt_msg($crypted_msg, $module_key);
 536
 537         if ($msg =~ /<xml>/i){
 538             $msg =~ s/\s+/ /g;  # just for better daemon_log
 539             daemon_log("$session_id DEBUG: decrypted_msg: \n$msg", 9);
 540             $msg_hash = $xml->XMLin($msg, ForceArray=>1);
 541
 542             ##############
 543             # check header
 544             if( not exists $msg_hash->{'header'} ) { die "no header specified"; }
 545             my $header_l = $msg_hash->{'header'};
 546             if( (1 > @{$header_l}) || ( ( 'HASH' eq ref @{$header_l}[0]) && (1 > keys %{@{$header_l}[0]}) ) ) { die 'empty header tag'; }
 547             if( 1 < @{$header_l} ) { die 'more than one header specified'; }
 548             my $header = @{$header_l}[0];
 549             if( 0 == length $header) { die 'empty string in header tag'; }
 550
 551             ##############
 552             # check source
 553             if( not exists $msg_hash->{'source'} ) { die "no source specified"; }
 554             my $source_l = $msg_hash->{'source'};
 555             if( (1 > @{$source_l}) || ( ( 'HASH' eq ref @{$source_l}[0]) && (1 > keys %{@{$source_l}[0]}) ) ) { die 'empty source tag'; }
 556             if( 1 < @{$source_l} ) { die 'more than one source specified'; }
 557             my $source = @{$source_l}[0];
 558             if( 0 == length $source) { die 'source error'; }
 559
 560             ##############
 561             # check target
 562             if( not exists $msg_hash->{'target'} ) { die "no target specified"; }
 563             my $target_l = $msg_hash->{'target'};
 564             if( (1 > @{$target_l}) || ( ('HASH' eq ref @{$target_l}[0]) && (1 > keys %{@{$target_l}[0]}) ) ) { die 'empty target tag'; }
 565         }
 566     };
 567     if($@) {
 568         daemon_log("$session_id ERROR: do not understand the message: $@", 1);
 569         $msg = undef;
 570         $msg_hash = undef;
 571     }
 572
 573     return ($msg, $msg_hash);
 574 }
 575
 576
 577 sub check_outgoing_xml_validity {
 578     my ($msg, $session_id) = @_;
 579
 580     my $msg_hash;
 581     eval{
 582         $msg_hash = $xml->XMLin($msg, ForceArray=>1);
 583
 584         ##############
 585         # check header
 586         my $header_l = $msg_hash->{'header'};
 587         if( 1 != @{$header_l} ) {
 588             die 'no or more than one headers specified';
 589         }
 590         my $header = @{$header_l}[0];
 591         if( 0 == length $header) {
 592             die 'header has length 0';
 593         }
 594
 595         ##############
 596         # check source
 597         my $source_l = $msg_hash->{'source'};
 598         if( 1 != @{$source_l} ) {
 599             die 'no or more than 1 sources specified';
 600         }
 601         my $source = @{$source_l}[0];
 602         if( 0 == length $source) {
 603             die 'source has length 0';
 604         }
 605
 606                                 # Check if source contains hostname instead of ip address
 607                                 if($source =~ /^[a-z][a-z0-9\.]+:\d+$/i) {
 608                                                 my ($hostname,$port) = split(/:/, $source);
 609                                                 my $ip_address = inet_ntoa(scalar gethostbyname($hostname));
 610                                                 if(defined($ip_address) && $ip_address =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/ && $port =~ /^\d+$/) {
 611                                                         # Write ip address to $source variable
 612                                                         $source = "$ip_address:$port";
 613                                                 }
 614                                 }
 615         unless( $source =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ||
 616                 $source =~ /^GOSA$/i) {
 617             die "source '$source' is neither a complete ip-address with port nor 'GOSA'";
 618         }
 619
 620         ##############
 621         # check target
 622         my $target_l = $msg_hash->{'target'};
 623         if( 0 == @{$target_l} ) {
 624             die "no targets specified";
 625         }
 626         foreach my $target (@$target_l) {
 627             if( 0 == length $target) {
 628                 die "target has length 0";
 629             }
 630             unless( $target =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ||
 631                     $target =~ /^GOSA$/i ||
 632                     $target =~ /^\*$/ ||
 633                     $target =~ /KNOWN_SERVER/i ||
 634                     $target =~ /JOBDB/i ||
 635                     $target =~ /^([0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2})$/i ){
 636                 die "target '$target' is not a complete ip-address with port or a valid target name or a mac-address";
 637             }
 638         }
 639     };
 640     if($@) {
 641         daemon_log("$session_id ERROR: outgoing msg is not gosa-si envelope conform: $@", 1);
 642         daemon_log("$@ ".(defined($msg) && length($msg)>0)?$msg:"Empty Message", 1);
 643         $msg_hash = undef;
 644     }
 645
 646     return ($msg_hash);
 647 }
 648
 649
 650 sub input_from_known_server {
 651     my ($input, $remote_ip, $session_id) = @_ ;
 652     my ($msg, $msg_hash, $module);
 653
 654     my $sql_statement= "SELECT * FROM known_server";
 655     my $query_res = $known_server_db->select_dbentry( $sql_statement );
 656
 657     while( my ($hit_num, $hit) = each %{ $query_res } ) {
 658         my $host_name = $hit->{hostname};
 659         if( not $host_name =~ "^$remote_ip") {
 660             next;
 661         }
 662         my $host_key = $hit->{hostkey};
 663         daemon_log("$session_id DEBUG: input_from_known_server: host_name: $host_name", 7);
 664         daemon_log("$session_id DEBUG: input_from_known_server: host_key: $host_key", 7);
 665
 666         # check if module can open msg envelope with module key
 667         my ($tmp_msg, $tmp_msg_hash) = &check_key_and_xml_validity($input, $host_key, $session_id);
 668         if( (!$tmp_msg) || (!$tmp_msg_hash) ) {
 669             daemon_log("$session_id DEBUG: input_from_known_server: deciphering raise error", 7);
 670             daemon_log("$@", 8);
 671             next;
 672         }
 673         else {
 674             $msg = $tmp_msg;
 675             $msg_hash = $tmp_msg_hash;
 676             $module = "ServerPackages";
 677             daemon_log("$session_id DEBUG: check_key_and_xml_validity... ok", 7);
 678             last;
 679         }
 680     }
 681
 682     if( (!$msg) || (!$msg_hash) || (!$module) ) {
 683         daemon_log("$session_id DEBUG: Incoming message is not from a known server", 7);
 684     }
 685
 686     return ($msg, $msg_hash, $module);
 687 }
 688
 689
 690 sub input_from_known_client {
 691     my ($input, $remote_ip, $session_id) = @_ ;
 692     my ($msg, $msg_hash, $module);
 693
 694     my $sql_statement= "SELECT * FROM known_clients";
 695     my $query_res = $known_clients_db->select_dbentry( $sql_statement );
 696     while( my ($hit_num, $hit) = each %{ $query_res } ) {
 697         my $host_name = $hit->{hostname};
 698         if( not $host_name =~ /^$remote_ip/) {
 699                 next;
 700                 }
 701         my $host_key = $hit->{hostkey};
 702         &daemon_log("$session_id DEBUG: input_from_known_client: host_name: $host_name", 7);
 703         &daemon_log("$session_id DEBUG: input_from_known_client: host_key: $host_key", 7);
 704
 705         # check if module can open msg envelope with module key
 706         ($msg, $msg_hash) = &check_key_and_xml_validity($input, $host_key, $session_id);
 707
 708         if( (!$msg) || (!$msg_hash) ) {
 709             &daemon_log("$session_id DEGUG: input_from_known_client: deciphering raise error", 7);
 710             next;
 711         }
 712         else {
 713             $module = "ClientPackages";
 714             daemon_log("$session_id DEBUG: check_key_and_xml_validity... ok", 7);
 715             last;
 716         }
 717     }
 718
 719     if( (!$msg) || (!$msg_hash) || (!$module) ) {
 720         &daemon_log("$session_id DEBUG: Incoming message is not from a known client", 7);
 721     }
 722
 723     return ($msg, $msg_hash, $module);
 724 }
 725
 726
 727 sub input_from_unknown_host {
 728         no strict "refs";
 729         my ($input, $session_id) = @_ ;
 730         my ($msg, $msg_hash, $module);
 731         my $error_string;
 732
 733         my %act_modules = %$known_modules;
 734
 735         while( my ($mod, $info) = each(%act_modules)) {
 736
 737                 # check a key exists for this module
 738                 my $module_key = ${$mod."_key"};
 739                 if( not defined $module_key ) {
 740                         if( $mod eq 'ArpHandler' ) {
 741                                 next;
 742                         }
 743                         daemon_log("$session_id ERROR: no key specified in config file for $mod", 1);
 744                         next;
 745                 }
 746                 daemon_log("$session_id DEBUG: $mod: $module_key", 7);
 747
 748                 # check if module can open msg envelope with module key
 749                 ($msg, $msg_hash) = &check_key_and_xml_validity($input, $module_key, $session_id);
 750                 if( (not defined $msg) || (not defined $msg_hash) ) {
 751                         next;
 752                 } else {
 753                         $module = $mod;
 754             daemon_log("$session_id DEBUG: check_key_and_xml_validity... ok", 7);
 755                         last;
 756                 }
 757         }
 758
 759         if( (!$msg) || (!$msg_hash) || (!$module)) {
 760                 daemon_log("$session_id DEBUG: Incoming message is not from an unknown host", 7);
 761         }
 762
 763         return ($msg, $msg_hash, $module);
 764 }
 765
 766
 767 sub create_ciphering {
 768     my ($passwd) = @_;
 769         if((!defined($passwd)) || length($passwd)==0) {
 770                 $passwd = "";
 771         }
 772     $passwd = substr(md5_hex("$passwd") x 32, 0, 32);
 773     my $iv = substr(md5_hex('GONICUS GmbH'),0, 16);
 774     my $my_cipher = Crypt::Rijndael->new($passwd , Crypt::Rijndael::MODE_CBC());
 775     $my_cipher->set_iv($iv);
 776     return $my_cipher;
 777 }
 778
 779
 780 sub encrypt_msg {
 781     my ($msg, $key) = @_;
 782     my $my_cipher = &create_ciphering($key);
 783     my $len;
 784     {
 785             use bytes;
 786             $len= 16-length($msg)%16;
 787     }
 788     $msg = "\0"x($len).$msg;
 789     $msg = $my_cipher->encrypt($msg);
 790     chomp($msg = &encode_base64($msg));
 791     # there are no newlines allowed inside msg
 792     $msg=~ s/\n//g;
 793     return $msg;
 794 }
 795
 796
 797 sub decrypt_msg {
 798
 799     my ($msg, $key) = @_ ;
 800     $msg = &decode_base64($msg);
 801     my $my_cipher = &create_ciphering($key);
 802     $msg = $my_cipher->decrypt($msg);
 803     $msg =~ s/\0*//g;
 804     return $msg;
 805 }
 806
 807
 808 sub get_encrypt_key {
 809     my ($target) = @_ ;
 810     my $encrypt_key;
 811     my $error = 0;
 812
 813     # target can be in known_server
 814     if( not defined $encrypt_key ) {
 815         my $sql_statement= "SELECT * FROM known_server WHERE hostname='$target'";
 816         my $query_res = $known_server_db->select_dbentry( $sql_statement );
 817         while( my ($hit_num, $hit) = each %{ $query_res } ) {
 818             my $host_name = $hit->{hostname};
 819             if( $host_name ne $target ) {
 820                 next;
 821             }
 822             $encrypt_key = $hit->{hostkey};
 823             last;
 824         }
 825     }
 826
 827     # target can be in known_client
 828     if( not defined $encrypt_key ) {
 829         my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$target'";
 830         my $query_res = $known_clients_db->select_dbentry( $sql_statement );
 831         while( my ($hit_num, $hit) = each %{ $query_res } ) {
 832             my $host_name = $hit->{hostname};
 833             if( $host_name ne $target ) {
 834                 next;
 835             }
 836             $encrypt_key = $hit->{hostkey};
 837             last;
 838         }
 839     }
 840
 841     return $encrypt_key;
 842 }
 843
 844
 845 #===  FUNCTION  ================================================================
 846 #         NAME:  open_socket
 847 #   PARAMETERS:  PeerAddr string something like 192.168.1.1 or 192.168.1.1:10000
 848 #                [PeerPort] string necessary if port not appended by PeerAddr
 849 #      RETURNS:  socket IO::Socket::INET
 850 #  DESCRIPTION:  open a socket to PeerAddr
 851 #===============================================================================
 852 sub open_socket {
 853     my ($PeerAddr, $PeerPort) = @_ ;
 854     if(defined($PeerPort)){
 855         $PeerAddr = $PeerAddr.":".$PeerPort;
 856     }
 857     my $socket;
 858     $socket = new IO::Socket::INET(PeerAddr => $PeerAddr,
 859             Porto => "tcp",
 860             Type => SOCK_STREAM,
 861             Timeout => 5,
 862             );
 863     if(not defined $socket) {
 864         return;
 865     }
 866 #    &daemon_log("DEBUG: open_socket: $PeerAddr", 7);
 867     return $socket;
 868 }
 869
 870
 871 sub send_msg_to_target {
 872     my ($msg, $address, $encrypt_key, $msg_header, $session_id) = @_ ;
 873     my $error = 0;
 874     my $header;
 875     my $timestamp = &get_time();
 876     my $new_status;
 877     my $act_status;
 878     my ($sql_statement, $res);
 879
 880     if( $msg_header ) {
 881         $header = "'$msg_header'-";
 882     } else {
 883         $header = "";
 884     }
 885
 886         # Patch the source ip
 887         if($msg =~ /<source>0\.0\.0\.0:\d*?<\/source>/) {
 888                 my $remote_ip = &get_local_ip_for_remote_ip(sprintf("%s", $address =~ /^([0-9\.]*?):.*$/));
 889                 $msg =~ s/<source>(0\.0\.0\.0):(\d*?)<\/source>/<source>$remote_ip:$2<\/source>/s;
 890         }
 891
 892         # Memorize own source address
 893     $msg =~ /<source>(\S+)<\/source>/;
 894     my $own_source_address = $1;
 895
 896     # encrypt xml msg
 897     my $crypted_msg = &encrypt_msg($msg, $encrypt_key);
 898
 899     # opensocket
 900     my $socket = &open_socket($address);
 901     if( !$socket ) {
 902         daemon_log("$session_id WARNING: cannot send ".$header."msg to '$address' , host not reachable! Message: '$msg'", 3);
 903         $error++;
 904     }
 905
 906     if( $error == 0 ) {
 907         # send xml msg
 908         print $socket $crypted_msg.";$own_source_address\n";
 909
 910         daemon_log("$session_id INFO: send ".$header."msg to $address", 5);
 911         daemon_log("$session_id DEBUG: message:\n$msg", 9);
 912
 913     }
 914
 915     # close socket in any case
 916     if( $socket ) {
 917         close $socket;
 918     }
 919
 920     if( $error > 0 ) { $new_status = "down"; }
 921     else { $new_status = $msg_header; }
 922
 923
 924     # known_clients
 925     $sql_statement = "SELECT * FROM $known_clients_tn WHERE hostname='$address'";
 926     $res = $known_clients_db->select_dbentry($sql_statement);
 927     if( keys(%$res) == 1) {
 928         $act_status = exists $res->{1}->{'status'} ? $res->{1}->{'status'} : "";
 929         if ($act_status eq "down" && $new_status eq "down") {
 930             $sql_statement = "DELETE FROM known_clients WHERE hostname='$address'";
 931             $res = $known_clients_db->del_dbentry($sql_statement);
 932             daemon_log("$session_id WARNING: failed 2x to send msg to host '$address', delete host from known_clients", 3);
 933         } else {
 934             $sql_statement = "UPDATE known_clients SET status='$new_status', timestamp='$timestamp' WHERE hostname='$address'";
 935             $res = $known_clients_db->update_dbentry($sql_statement);
 936             if($new_status eq "down"){
 937                 daemon_log("$session_id WARNING: set '$address' from status '$act_status' to '$new_status'", 3);
 938             } else {
 939                 daemon_log("$session_id INFO: set '$address' from status '$act_status' to '$new_status'", 5);
 940             }
 941         }
 942     }
 943
 944     # known_server
 945     $sql_statement = "SELECT * FROM $known_server_tn WHERE hostname='$address'";
 946     $res = $known_server_db->select_dbentry($sql_statement);
 947     if( keys(%$res) == 1) {
 948         $act_status = exists $res->{1}->{'status'} ? $res->{1}->{'status'} : "";
 949         if ($act_status eq "down" && $new_status eq "down") {
 950             $sql_statement = "DELETE FROM known_server WHERE hostname='$address'";
 951             $res = $known_server_db->del_dbentry($sql_statement);
 952             daemon_log("$session_id WARNING: failed 2x to send a message to host '$address', delete host from known_server", 3);
 953         }
 954         else {
 955             $sql_statement = "UPDATE known_server SET status='$new_status', timestamp='$timestamp' WHERE hostname='$address'";
 956             $res = $known_server_db->update_dbentry($sql_statement);
 957             if($new_status eq "down"){
 958                 daemon_log("$session_id WARNING: set '$address' from status '$act_status' to '$new_status'", 3);
 959             } else {
 960                 daemon_log("$session_id INFO: set '$address' from status '$act_status' to '$new_status'", 5);
 961             }
 962         }
 963     }
 964     return $error;
 965 }
 966
 967
 968 sub update_jobdb_status_for_send_msgs {
 969     my ($session_id, $answer, $error) = @_;
 970     &daemon_log("$session_id DEBUG: try to update job status", 7);
 971     if( $answer =~ /<jobdb_id>(\d+)<\/jobdb_id>/ ) {
 972         my $jobdb_id = $1;
 973
 974         $answer =~ /<header>(.*)<\/header>/;
 975         my $job_header = $1;
 976
 977         $answer =~ /<target>(.*)<\/target>/;
 978         my $job_target = $1;
 979
 980         # Sending msg failed
 981         if( $error ) {
 982
 983             # Set jobs to done, jobs do not need to deliver their message in any case
 984             if (($job_header eq "trigger_action_localboot")
 985                     ||($job_header eq "trigger_action_lock")
 986                     ||($job_header eq "trigger_action_halt")
 987                     ) {
 988                 my $sql_statement = "UPDATE $job_queue_tn SET status='done' WHERE id=$jobdb_id";
 989                 &daemon_log("$session_id DEBUG: $sql_statement", 7);
 990                 my $res = $job_db->update_dbentry($sql_statement);
 991
 992             # Reactivate jobs, jobs need to deliver their message
 993             } elsif (($job_header eq "trigger_action_activate")
 994                     ||($job_header eq "trigger_action_update")
 995                     ||($job_header eq "trigger_action_reinstall")
 996                     ||($job_header eq "trigger_activate_new")
 997                     ) {
 998                 &reactivate_job_with_delay($session_id, $job_target, $job_header, 30 );
 999
1000             # For all other messages
1001             } else {
1002                 my $sql_statement = "UPDATE $job_queue_tn ".
1003                     "SET status='error', result='can not deliver msg, please consult log file' ".
1004                     "WHERE id=$jobdb_id";
1005                 &daemon_log("$session_id DEBUG: $sql_statement", 7);
1006                 my $res = $job_db->update_dbentry($sql_statement);
1007             }
1008
1009         # Sending msg was successful
1010         } else {
1011             # Set jobs localboot, lock, activate, halt, reboot and wake to done
1012             # jobs reinstall, update, inst_update do themself setting to done
1013             if (($job_header eq "trigger_action_localboot")
1014                     ||($job_header eq "trigger_action_lock")
1015                     ||($job_header eq "trigger_action_activate")
1016                     ||($job_header eq "trigger_action_halt")
1017                     ||($job_header eq "trigger_action_reboot")
1018                     ||($job_header eq "trigger_action_wake")
1019                     ||($job_header eq "trigger_wake")
1020                     ) {
1021
1022                 my $sql_statement = "UPDATE $job_queue_tn ".
1023                     "SET status='done' ".
1024                     "WHERE id=$jobdb_id AND status='processed'";
1025                 &daemon_log("$session_id DEBUG: $sql_statement", 7);
1026                 my $res = $job_db->update_dbentry($sql_statement);
1027             } else {
1028                 &daemon_log("$session_id DEBUG: sending message succeed but cannot update job status.", 7);
1029             }
1030         }
1031     } else {
1032         &daemon_log("$session_id DEBUG: cannot update job status, msg has no jobdb_id-tag: $answer", 7);
1033     }
1034 }
1035
1036 sub reactivate_job_with_delay {
1037     my ($session_id, $target, $header, $delay) = @_ ;
1038     # Sometimes the client is still booting or does not wake up, in this case reactivate the job (if it exists) with a delay of n sec
1039
1040     if (not defined $delay) { $delay = 30 } ;
1041     my $delay_timestamp = &calc_timestamp(&get_time(), "plus", $delay);
1042
1043     my $sql = "UPDATE $job_queue_tn Set timestamp='$delay_timestamp', status='waiting' WHERE (macaddress LIKE 'target' AND headertag='$header')";
1044     my $res = $job_db->update_dbentry($sql);
1045     daemon_log("$session_id INFO: '$header'-job will be reactivated at '$delay_timestamp' ".
1046             "cause client '$target' is currently not available", 5);
1047     daemon_log("$session_id $sql", 7);
1048     return;
1049 }
1050
1051
1052 sub sig_handler {
1053         my ($kernel, $signal) = @_[KERNEL, ARG0] ;
1054         daemon_log("0 INFO got signal '$signal'", 1);
1055         $kernel->sig_handled();
1056         return;
1057 }
1058
1059
1060 sub msg_to_decrypt {
1061         my ($kernel, $session, $heap) = @_[KERNEL, SESSION, HEAP];
1062         my $session_id = $session->ID;
1063         my ($msg, $msg_hash, $module);
1064         my $error = 0;
1065
1066         # fetch new msg out of @msgs_to_decrypt
1067         my $tmp_next_msg = shift @msgs_to_decrypt;
1068     my ($next_msg, $msg_source) = split(/;/, $tmp_next_msg);
1069
1070         # msg is from a new client or gosa
1071         ($msg, $msg_hash, $module) = &input_from_unknown_host($next_msg, $session_id);
1072
1073         # msg is from a gosa-si-server
1074         if(( !$msg ) || ( !$msg_hash ) || ( !$module )){
1075                 #($msg, $msg_hash, $module) = &input_from_known_server($next_msg, $heap->{'remote_ip'}, $session_id);
1076                 ($msg, $msg_hash, $module) = &input_from_known_server($next_msg, $msg_source, $session_id);
1077         }
1078         # msg is from a gosa-si-client
1079         if(( !$msg ) || ( !$msg_hash ) || ( !$module )){
1080                 ($msg, $msg_hash, $module) = &input_from_known_client($next_msg, $msg_source, $session_id);
1081         }
1082         # an error occurred
1083         if(( !$msg ) || ( !$msg_hash ) || ( !$module )){
1084                 # If an incoming msg could not be decrypted (maybe a wrong key), decide if msg comes from a client
1085                 # or a server.  In case of a client, send a ping. If the client could not understand a msg from its
1086                 # server the client cause a re-registering process. In case of a server, decrease update_time in kown_server_db
1087                 # and trigger a re-registering process for servers
1088                 if (defined $msg_source && $msg_source =~ /:$server_port$/)
1089                 {
1090                         daemon_log("$session_id WARNING: Cannot understand incoming msg from server '$msg_source'. Cause re-registration process for servers.", 3);
1091                         my $update_statement = "UPDATE $known_server_tn SET update_time='19700101000000' WHERE hostname='$msg_source'";
1092                         daemon_log("$session_id DEBUG: $update_statement", 7);
1093                         my $upadte_res = $known_server_db->exec_statement($update_statement);
1094                         $kernel->yield("register_at_foreign_servers");
1095                 }
1096                 elsif (defined $msg_source)
1097                 {
1098                         daemon_log("$session_id WARNING: Cannot understand incoming msg from client '$msg_source'. Send ping-msg to cause a re-registering of the client if necessary", 3);
1099                         #my $remote_ip = $heap->{'remote_ip'};
1100                         #my $remote_port = $heap->{'remote_port'};
1101                         my $ping_msg = "<xml> <header>gosa_ping</header> <source>$server_address</source><target>$msg_source</target></xml>";
1102                         my ($test_error, $test_error_string) = &send_msg_to_target($ping_msg, "$msg_source", "dummy-key", "gosa_ping", $session_id);
1103                         daemon_log("$session_id WARNING: sending msg to cause re-registering: $ping_msg", 3);
1104                 }
1105                 else
1106                 {
1107                         daemon_log("$session_id ERROR: incoming message contains no msg source. Processing aborted: $tmp_next_msg", 1);
1108                 }
1109
1110                 $error++;
1111         }
1112
1113
1114         my $header;
1115         my $target;
1116         my $source;
1117         my $done = 0;
1118         my $sql;
1119         my $res;
1120
1121         # check whether this message should be processed here
1122         if ($error == 0) {
1123                 $header = @{$msg_hash->{'header'}}[0];
1124                 $target = @{$msg_hash->{'target'}}[0];
1125                 $source = @{$msg_hash->{'source'}}[0];
1126                 my $not_found_in_known_clients_db = 0;
1127                 my $not_found_in_known_server_db = 0;
1128                 my $not_found_in_foreign_clients_db = 0;
1129                 my $local_address;
1130                 my $local_mac;
1131                 my ($target_ip, $target_port) = split(':', $target);
1132
1133                 # Determine the local ip address if target is an ip address
1134                 if ($target =~ /^\d+\.\d+\.\d+\.\d+:\d+$/) {
1135                         $local_address = &get_local_ip_for_remote_ip($target_ip).":$server_port";
1136                 } else {
1137                         $local_address = $server_address;
1138                 }
1139
1140                 # Determine the local mac address if target is a mac address
1141                 if ($target =~ /^([0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2})$/i) {
1142                         my $loc_ip = &get_local_ip_for_remote_ip($heap->{'remote_ip'});
1143                         my $network_interface= &get_interface_for_ip($loc_ip);
1144                         $local_mac = &get_mac_for_interface($network_interface);
1145                 } else {
1146                         $local_mac = $server_mac_address;
1147                 }
1148
1149                 # target and source is equal to GOSA -> process here
1150                 if (not $done) {
1151                         if ($target eq "GOSA" && $source eq "GOSA") {
1152                                 $done = 1;
1153                                 &daemon_log("$session_id DEBUG: target and source is 'GOSA' -> process here", 7);
1154                         }
1155                 }
1156
1157                 # target is own address without forward_to_gosa-tag -> process here
1158                 if (not $done) {
1159                         #if ((($target eq $local_address) || ($target eq $local_mac) ) && (not exists $msg_hash->{'forward_to_gosa'})) {
1160                         if (($target eq $local_address) && (not exists $msg_hash->{'forward_to_gosa'})) {
1161                                 $done = 1;
1162                                 if ($source eq "GOSA") {
1163                                         $msg =~ s/<\/xml>/<forward_to_gosa>$local_address,$session_id<\/forward_to_gosa><\/xml>/;
1164                                 }
1165                                 &daemon_log("$session_id DEBUG: target is own address without forward_to_gosa-tag -> process here", 7);
1166                         }
1167                 }
1168
1169                 # target is a client address in known_clients -> process here
1170                 if (not $done) {
1171                         $sql = "SELECT * FROM $known_clients_tn WHERE (hostname='$target' OR macaddress LIKE '$target')";
1172                         $res = $known_clients_db->select_dbentry($sql);
1173                         if (keys(%$res) > 0) {
1174                                 $done = 1;
1175                                 my $hostname = $res->{1}->{'hostname'};
1176                                 $msg =~ s/<target>$target<\/target>/<target>$hostname<\/target>/;
1177                                 my $local_address = &get_local_ip_for_remote_ip($target_ip).":$server_port";
1178                                 if ($source eq "GOSA") {
1179                                         $msg =~ s/<\/xml>/<forward_to_gosa>$local_address,$session_id<\/forward_to_gosa><\/xml>/;
1180                                 }
1181                                 &daemon_log("$session_id DEBUG: target is a client address in known_clients -> process here", 7);
1182
1183                         } else {
1184                                 $not_found_in_known_clients_db = 1;
1185                         }
1186                 }
1187
1188                 # target ist own address with forward_to_gosa-tag not pointing to myself -> process here
1189                 if (not $done) {
1190                         my $forward_to_gosa =  @{$msg_hash->{'forward_to_gosa'}}[0];
1191                         my $gosa_at;
1192                         my $gosa_session_id;
1193                         if (($target eq $local_address) && (defined $forward_to_gosa)){
1194                                 my ($gosa_at, $gosa_session_id) = split(/,/, $forward_to_gosa);
1195                                 if ($gosa_at ne $local_address) {
1196                                         $done = 1;
1197                                         &daemon_log("$session_id DEBUG: target is own address with forward_to_gosa-tag not pointing to myself -> process here", 7);
1198                                 }
1199                         }
1200                 }
1201
1202                 # if message should be processed here -> add message to incoming_db
1203                 if ($done) {
1204                         # if a job or a gosa message comes from a foreign server, fake module to GosaPackages
1205                         # so gosa-si-server knows how to process this kind of messages
1206                         if ($header =~ /^gosa_/ || $header =~ /^job_/) {
1207                                 $module = "GosaPackages";
1208                         }
1209
1210                         my $res = $incoming_db->add_dbentry( {table=>$incoming_tn,
1211                                         primkey=>[],
1212                                         headertag=>$header,
1213                                         targettag=>$target,
1214                                         xmlmessage=>&encode_base64($msg),
1215                                         timestamp=>&get_time,
1216                                         module=>$module,
1217                                         sessionid=>$session_id,
1218                                 } );
1219
1220                 }
1221
1222                 # target is own address with forward_to_gosa-tag pointing at myself -> forward to gosa
1223                 if (not $done) {
1224                         my $forward_to_gosa =  @{$msg_hash->{'forward_to_gosa'}}[0];
1225                         my $gosa_at;
1226                         my $gosa_session_id;
1227                         if (($target eq $local_address) && (defined $forward_to_gosa)){
1228                                 my ($gosa_at, $gosa_session_id) = split(/,/, $forward_to_gosa);
1229                                 if ($gosa_at eq $local_address) {
1230                                         my $session_reference = $kernel->ID_id_to_session($gosa_session_id);
1231                                         if( defined $session_reference ) {
1232                                                 $heap = $session_reference->get_heap();
1233                                         }
1234                                         if(exists $heap->{'client'}) {
1235                                                 $msg = &encrypt_msg($msg, $GosaPackages_key);
1236                                                 $heap->{'client'}->put($msg);
1237                                                 &daemon_log("$session_id INFO: incoming '$header' message forwarded to GOsa", 5);
1238                                         }
1239                                         $done = 1;
1240                                         &daemon_log("$session_id DEBUG: target is own address with forward_to_gosa-tag pointing at myself -> forward to gosa", 7);
1241                                 }
1242                         }
1243
1244                 }
1245
1246                 # target is a client address in foreign_clients -> forward to registration server
1247                 if (not $done) {
1248                         $sql = "SELECT * FROM $foreign_clients_tn WHERE (hostname='$target' OR macaddress LIKE '$target')";
1249                         $res = $foreign_clients_db->select_dbentry($sql);
1250                         if (keys(%$res) > 0) {
1251                                 my $hostname = $res->{1}->{'hostname'};
1252                                 my ($host_ip, $host_port) = split(/:/, $hostname);
1253                                 my $local_address =  &get_local_ip_for_remote_ip($host_ip).":$server_port";
1254                                 my $regserver = $res->{1}->{'regserver'};
1255                                 my $sql = "SELECT * FROM $known_server_tn WHERE hostname='$regserver'";
1256                                 my $res = $known_server_db->select_dbentry($sql);
1257                                 if (keys(%$res) > 0) {
1258                                         my $regserver_key = $res->{1}->{'hostkey'};
1259                                         $msg =~ s/<source>GOSA<\/source>/<source>$local_address<\/source>/;
1260                                         $msg =~ s/<target>$target<\/target>/<target>$hostname<\/target>/;
1261                                         if ($source eq "GOSA") {
1262                                                 $msg =~ s/<\/xml>/<forward_to_gosa>$local_address,$session_id<\/forward_to_gosa><\/xml>/;
1263                                         }
1264                                         my $error= &send_msg_to_target($msg, $regserver, $regserver_key, $header, $session_id);
1265                                         if ($error) {
1266                                                 &daemon_log("$session_id ERROR: some problems (error=$error) occurred while trying to send msg to registration server: $msg", 1);
1267                                         }
1268                                 }
1269                                 $done = 1;
1270                                 &daemon_log("$session_id DEBUG: target is a client address in foreign_clients -> forward to registration server", 7);
1271                         } else {
1272                                 $not_found_in_foreign_clients_db = 1;
1273                         }
1274                 }
1275
1276                 # target is a server address -> forward to server
1277                 if (not $done) {
1278                         $sql = "SELECT * FROM $known_server_tn WHERE (hostname='$target' OR macaddress LIKE '$target')";
1279                         $res = $known_server_db->select_dbentry($sql);
1280                         if (keys(%$res) > 0) {
1281                                 my $hostkey = $res->{1}->{'hostkey'};
1282
1283                                 if ($source eq "GOSA") {
1284                                         $msg =~ s/<source>GOSA<\/source>/<source>$local_address<\/source>/;
1285                                         $msg =~ s/<\/xml>/<forward_to_gosa>$local_address,$session_id<\/forward_to_gosa><\/xml>/;
1286
1287                                 }
1288
1289                                 &send_msg_to_target($msg, $target, $hostkey, $header, $session_id);
1290                                 $done = 1;
1291                                 &daemon_log("$session_id DEBUG: target is a server address -> forward to server", 7);
1292                         } else {
1293                                 $not_found_in_known_server_db = 1;
1294                         }
1295                 }
1296
1297
1298                 # target is not in foreign_clients_db, known_server_db or known_clients_db, maybe it is a complete new one -> process here
1299                 if ( $not_found_in_foreign_clients_db
1300                         && $not_found_in_known_server_db
1301                         && $not_found_in_known_clients_db) {
1302                         &daemon_log("$session_id DEBUG: target is not in foreign_clients_db, known_server_db or known_clients_db, maybe it is a complete new one -> process here", 7);
1303             if ($header =~ /^gosa_/ || $header =~ /^job_/) {
1304                 $module = "GosaPackages";
1305             }
1306                         my $res = $incoming_db->add_dbentry( {table=>$incoming_tn,
1307                                         primkey=>[],
1308                                         headertag=>$header,
1309                                         targettag=>$target,
1310                                         xmlmessage=>&encode_base64($msg),
1311                                         timestamp=>&get_time,
1312                                         module=>$module,
1313                                         sessionid=>$session_id,
1314                                 } );
1315                         $done = 1;
1316                 }
1317
1318
1319                 if (not $done) {
1320                         daemon_log("$session_id ERROR: do not know what to do with this message: $msg", 1);
1321                         if ($source eq "GOSA") {
1322                                 my %data = ('error_msg' => &encode_base64($msg), 'error_string' => "Do not know what to do with this message!");
1323                                 my $error_msg = &build_msg("error", $local_address, "GOSA", \%data );
1324
1325                                 my $session_reference = $kernel->ID_id_to_session($session_id);
1326                                 if( defined $session_reference ) {
1327                                         $heap = $session_reference->get_heap();
1328                                 }
1329                                 if(exists $heap->{'client'}) {
1330                                         $error_msg = &encrypt_msg($error_msg, $GosaPackages_key);
1331                                         $heap->{'client'}->put($error_msg);
1332                                 }
1333                         }
1334                 }
1335
1336         }
1337
1338         return;
1339 }
1340
1341
1342 sub next_task {
1343     my ($session, $heap, $task) = @_[SESSION, HEAP, ARG0, ARG1];
1344     my $running_task = POE::Wheel::Run->new(
1345             Program => sub { process_task($session, $heap, $task) },
1346             StdioFilter => POE::Filter::Reference->new(),
1347             StdoutEvent  => "task_result",
1348             StderrEvent  => "task_debug",
1349             CloseEvent   => "task_done",
1350             );
1351     $heap->{task}->{ $running_task->ID } = $running_task;
1352 }
1353
1354 sub handle_task_result {
1355     my ($kernel, $heap, $result) = @_[KERNEL, HEAP, ARG0];
1356     my $client_answer = $result->{'answer'};
1357     if( $client_answer =~ s/session_id=(\d+)$// ) {
1358         my $session_id = $1;
1359         if( defined $session_id ) {
1360             my $session_reference = $kernel->ID_id_to_session($session_id);
1361             if( defined $session_reference ) {
1362                 $heap = $session_reference->get_heap();
1363             }
1364         }
1365
1366         if(exists $heap->{'client'}) {
1367             $heap->{'client'}->put($client_answer);
1368         }
1369     }
1370     $kernel->sig(CHLD => "child_reap");
1371 }
1372
1373 sub handle_task_debug {
1374     my $result = $_[ARG0];
1375     print STDERR "$result\n";
1376 }
1377
1378 sub handle_task_done {
1379     my ( $kernel, $heap, $task_id ) = @_[ KERNEL, HEAP, ARG0 ];
1380     delete $heap->{task}->{$task_id};
1381         if (exists $heap->{ldap_handle}->{$task_id}) {
1382                 &release_ldap_handle($heap->{ldap_handle}->{$task_id});
1383         }
1384 }
1385
1386 sub process_task {
1387     no strict "refs";
1388     #CHECK: Not @_[...]?
1389     my ($session, $heap, $task) = @_;
1390     my $error = 0;
1391     my $answer_l;
1392     my ($answer_header, @answer_target_l, $answer_source);
1393     my $client_answer = "";
1394
1395     # prepare all variables needed to process message
1396     #my $msg = $task->{'xmlmessage'};
1397     my $msg = &decode_base64($task->{'xmlmessage'});
1398     my $incoming_id = $task->{'id'};
1399     my $module = $task->{'module'};
1400     my $header =  $task->{'headertag'};
1401     my $session_id = $task->{'sessionid'};
1402                 my $msg_hash;
1403                 eval {
1404         $msg_hash = $xml->XMLin($msg, ForceArray=>1);
1405                 };
1406                 daemon_log("ERROR: XML failure '$@'") if ($@);
1407     my $source = @{$msg_hash->{'source'}}[0];
1408
1409     # set timestamp of incoming client uptodate, so client will not
1410     # be deleted from known_clients because of expiration
1411     my $cur_time = &get_time();
1412     my $sql = "UPDATE $known_clients_tn SET timestamp='$cur_time' WHERE hostname='$source'";
1413     my $res = $known_clients_db->exec_statement($sql);
1414
1415     ######################
1416     # process incoming msg
1417     if( $error == 0) {
1418         daemon_log("$session_id INFO: Incoming msg (session_id=$session_id) with header '".@{$msg_hash->{'header'}}[0]."'", 5);
1419         daemon_log("$session_id DEBUG: Processing module ".$module, 7);
1420         $answer_l = &{ $module."::process_incoming_msg" }($msg, $msg_hash, $session_id);
1421
1422         if ( 0 < @{$answer_l} ) {
1423             my $answer_str = join("\n", @{$answer_l});
1424             while ($answer_str =~ /<header>(\w+)<\/header>/g) {
1425                 daemon_log("$session_id INFO: got answer message with header '$1'", 5);
1426             }
1427             daemon_log("$session_id DEBUG: $module: got answer from module: \n".$answer_str,9);
1428         } else {
1429             daemon_log("$session_id DEBUG: $module: got no answer from module!" ,7);
1430         }
1431
1432     }
1433     if( !$answer_l ) { $error++ };
1434
1435     ########
1436     # answer
1437     if( $error == 0 ) {
1438
1439         foreach my $answer ( @{$answer_l} ) {
1440             # check outgoing msg to xml validity
1441             my $answer_hash = &check_outgoing_xml_validity($answer, $session_id);
1442             if( not defined $answer_hash ) { next; }
1443
1444             $answer_header = @{$answer_hash->{'header'}}[0];
1445             @answer_target_l = @{$answer_hash->{'target'}};
1446             $answer_source = @{$answer_hash->{'source'}}[0];
1447
1448             # deliver msg to all targets
1449             foreach my $answer_target ( @answer_target_l ) {
1450
1451                 # targets of msg are all gosa-si-clients in known_clients_db
1452                 if( $answer_target eq "*" ) {
1453                     # answer is for all clients
1454                     my $sql_statement= "SELECT * FROM known_clients";
1455                     my $query_res = $known_clients_db->select_dbentry( $sql_statement );
1456                     while( my ($hit_num, $hit) = each %{ $query_res } ) {
1457                         my $host_name = $hit->{hostname};
1458                         my $host_key = $hit->{hostkey};
1459                         my $error = &send_msg_to_target($answer, $host_name, $host_key, $answer_header, $session_id);
1460                         &update_jobdb_status_for_send_msgs($session_id, $answer, $error);
1461                     }
1462                 }
1463
1464                 # targets of msg are all gosa-si-server in known_server_db
1465                 elsif( $answer_target eq "KNOWN_SERVER" ) {
1466                     # answer is for all server in known_server
1467                     my $sql_statement= "SELECT * FROM $known_server_tn";
1468                     my $query_res = $known_server_db->select_dbentry( $sql_statement );
1469                     while( my ($hit_num, $hit) = each %{ $query_res } ) {
1470                         my $host_name = $hit->{hostname};
1471                         my $host_key = $hit->{hostkey};
1472                         $answer =~ s/<target>\S+<\/target>/<target>$host_name<\/target>/g;
1473                         my $error = &send_msg_to_target($answer, $host_name, $host_key, $answer_header, $session_id);
1474                         &update_jobdb_status_for_send_msgs($session_id, $answer, $error);
1475                     }
1476                 }
1477
1478                 # target of msg is GOsa
1479                                 elsif( $answer_target eq "GOSA" ) {
1480                                         my $session_id = ($1) if $answer =~ /<session_id>(\d+?)<\/session_id>/;
1481                                         my $add_on = "";
1482                     if( defined $session_id ) {
1483                         $add_on = ".session_id=$session_id";
1484                     }
1485                     # answer is for GOSA and has to returned to connected client
1486                     my $gosa_answer = &encrypt_msg($answer, $GosaPackages_key);
1487                     $client_answer = $gosa_answer.$add_on;
1488                 }
1489
1490                 # target of msg is job queue at this host
1491                 elsif( $answer_target eq "JOBDB") {
1492                     $answer =~ /<header>(\S+)<\/header>/;
1493                     my $header;
1494                     if( defined $1 ) { $header = $1; }
1495                     my $error = &send_msg_to_target($answer, $server_address, $GosaPackages_key, $header, $session_id);
1496                     &update_jobdb_status_for_send_msgs($session_id, $answer, $error);
1497                 }
1498
1499                 # Target of msg is a mac address
1500                 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 ) {
1501                     daemon_log("$session_id INFO: target is mac address '$answer_target', looking for host in known_clients and foreign_clients", 5);
1502
1503                     # Looking for macaddress in known_clients
1504                     my $sql_statement = "SELECT * FROM known_clients WHERE macaddress LIKE '$answer_target'";
1505                     my $query_res = $known_clients_db->select_dbentry( $sql_statement );
1506                     my $found_ip_flag = 0;
1507                     while( my ($hit_num, $hit) = each %{ $query_res } ) {
1508                         my $host_name = $hit->{hostname};
1509                         my $host_key = $hit->{hostkey};
1510                         $answer =~ s/$answer_target/$host_name/g;
1511                         daemon_log("$session_id INFO: found host '$host_name', associated to '$answer_target'", 5);
1512                         my $error = &send_msg_to_target($answer, $host_name, $host_key, $answer_header, $session_id);
1513                         &update_jobdb_status_for_send_msgs($session_id, $answer, $error);
1514                         $found_ip_flag++ ;
1515                     }
1516
1517                     # Looking for macaddress in foreign_clients
1518                     if ($found_ip_flag == 0) {
1519                         my $sql = "SELECT * FROM $foreign_clients_tn WHERE macaddress LIKE '$answer_target'";
1520                         my $res = $foreign_clients_db->select_dbentry($sql);
1521                         while( my ($hit_num, $hit) = each %{ $res } ) {
1522                             my $host_name = $hit->{hostname};
1523                             my $reg_server = $hit->{regserver};
1524                             daemon_log("$session_id INFO: found host '$host_name' with mac '$answer_target', registered at '$reg_server'", 5);
1525
1526                             # Fetch key for reg_server
1527                             my $reg_server_key;
1528                             my $sql = "SELECT * FROM $known_server_tn WHERE hostname='$reg_server'";
1529                             my $res = $known_server_db->select_dbentry($sql);
1530                             if (exists $res->{1}) {
1531                                 $reg_server_key = $res->{1}->{'hostkey'};
1532                             } else {
1533                                 daemon_log("$session_id ERROR: cannot find hostkey for '$host_name' in '$known_server_tn'", 1);
1534                                 daemon_log("$session_id ERROR: unable to forward answer to correct registration server, processing is aborted!", 1);
1535                                 $reg_server_key = undef;
1536                             }
1537
1538                             # Send answer to server where client is registered
1539                             if (defined $reg_server_key) {
1540                                 $answer =~ s/$answer_target/$host_name/g;
1541                                 my $error = &send_msg_to_target($answer, $reg_server, $reg_server_key, $answer_header, $session_id);
1542                                 &update_jobdb_status_for_send_msgs($session_id, $answer, $error);
1543                                 $found_ip_flag++ ;
1544                             }
1545                         }
1546                     }
1547
1548                     # No mac to ip matching found
1549                     if( $found_ip_flag == 0) {
1550                         daemon_log("$session_id WARNING: no host found in known_clients or foreign_clients with mac address '$answer_target'", 3);
1551                         &reactivate_job_with_delay($session_id, $answer_target, $answer_header, 30);
1552                     }
1553
1554                 # Answer is for one specific host
1555                 } else {
1556                     # get encrypt_key
1557                     my $encrypt_key = &get_encrypt_key($answer_target);
1558                     if( not defined $encrypt_key ) {
1559                         # unknown target
1560                         daemon_log("$session_id WARNING: unknown target '$answer_target'", 3);
1561                         next;
1562                     }
1563                     my $error = &send_msg_to_target($answer, $answer_target, $encrypt_key, $answer_header,$session_id);
1564                     &update_jobdb_status_for_send_msgs($session_id, $answer, $error);
1565                 }
1566             }
1567         }
1568     }
1569
1570     my $filter = POE::Filter::Reference->new();
1571     my %result = (
1572             status => "seems ok to me",
1573             answer => $client_answer,
1574             );
1575
1576     my $output = $filter->put( [ \%result ] );
1577     print @$output;
1578
1579
1580 }
1581
1582 sub session_start {
1583     my ($kernel) = $_[KERNEL];
1584     $global_kernel = $kernel;
1585     $kernel->yield('register_at_foreign_servers');
1586         $kernel->yield('create_fai_server_db', $fai_server_tn );
1587         $kernel->yield('create_fai_release_db', $fai_release_tn );
1588     $kernel->yield('watch_for_next_tasks');
1589         $kernel->sig(USR1 => "sig_handler");
1590         $kernel->sig(USR2 => "recreate_packages_db");
1591         $kernel->delay_set('watch_for_new_jobs', $job_queue_loop_delay);
1592         $kernel->delay_set('watch_for_done_jobs', $job_queue_loop_delay);
1593     $kernel->delay_set('watch_for_modified_jobs', $modified_jobs_loop_delay);
1594         $kernel->delay_set('watch_for_new_messages', $messaging_db_loop_delay);
1595     $kernel->delay_set('watch_for_delivery_messages', $messaging_db_loop_delay);
1596         $kernel->delay_set('watch_for_done_messages', $messaging_db_loop_delay);
1597     $kernel->delay_set('watch_for_old_known_clients', $job_queue_loop_delay);
1598
1599     # Start opsi check
1600     if ($opsi_enabled eq "true") {
1601         $kernel->delay_set('watch_for_opsi_jobs', $job_queue_opsi_delay);
1602     }
1603
1604 }
1605
1606
1607 sub watch_for_done_jobs {
1608         #CHECK: $heap for what?
1609         my ($kernel,$heap) = @_[KERNEL, HEAP];
1610
1611         my $sql_statement = "SELECT * FROM ".$job_queue_tn." WHERE ((status='done') AND (modified='0'))";
1612         my $res = $job_db->select_dbentry( $sql_statement );
1613
1614         while( my ($id, $hit) = each %{$res} ) {
1615                 my $jobdb_id = $hit->{id};
1616                 my $sql_statement = "DELETE FROM $job_queue_tn WHERE id=$jobdb_id";
1617                 my $res = $job_db->del_dbentry($sql_statement);
1618         }
1619
1620         $kernel->delay_set('watch_for_done_jobs',$job_queue_loop_delay);
1621 }
1622
1623
1624 sub watch_for_opsi_jobs {
1625     my ($kernel) = $_[KERNEL];
1626
1627     # This is not very nice to look for opsi install jobs, but headertag has to be trigger_action_reinstall. The only way to identify a
1628     # opsi install job is to parse the xml message. There is still the correct header.
1629     my $sql_statement = "SELECT * FROM ".$job_queue_tn." WHERE ((xmlmessage LIKE '%opsi_install_client</header>%') AND (status='processing') AND (siserver='localhost'))";
1630         my $res = $job_db->select_dbentry( $sql_statement );
1631
1632     # Ask OPSI for an update of the running jobs
1633     while (my ($id, $hit) = each %$res ) {
1634         # Determine current parameters of the job
1635         my $hostId = $hit->{'plainname'};
1636         my $macaddress = $hit->{'macaddress'};
1637         my $progress = $hit->{'progress'};
1638
1639         my $result= {};
1640
1641         # For hosts, only return the products that are or get installed
1642         my $callobj;
1643         $callobj = {
1644             method  => 'getProductStates_hash',
1645             params  => [ $hostId ],
1646             id  => 1,
1647         };
1648
1649         my $hres = $opsi_client->call($opsi_url, $callobj);
1650         #my ($hres_err, $hres_err_string) = &check_opsi_res($hres);
1651         if (not &check_opsi_res($hres)) {
1652             my $htmp= $hres->result->{$hostId};
1653
1654             # Check state != not_installed or action == setup -> load and add
1655             my $products= 0;
1656             my $installed= 0;
1657             my $installing = 0;
1658             my $error= 0;
1659             my @installed_list;
1660             my @error_list;
1661             my $act_status = "none";
1662             foreach my $product (@{$htmp}){
1663
1664                 if ($product->{'installationStatus'} ne "not_installed" or
1665                         $product->{'actionRequest'} eq "setup"){
1666
1667                     # Increase number of products for this host
1668                     $products++;
1669
1670                     if ($product->{'installationStatus'} eq "failed"){
1671                         $result->{$product->{'productId'}}= "error";
1672                         unshift(@error_list, $product->{'productId'});
1673                         $error++;
1674                     }
1675                     if ($product->{'installationStatus'} eq "installed" && $product->{'actionRequest'}  eq "none"){
1676                         $result->{$product->{'productId'}}= "installed";
1677                         unshift(@installed_list, $product->{'productId'});
1678                         $installed++;
1679                     }
1680                     if ($product->{'installationStatus'} eq "installing"){
1681                         $result->{$product->{'productId'}}= "installing";
1682                         $installing++;
1683                         $act_status = "installing - ".$product->{'productId'};
1684                     }
1685                 }
1686             }
1687
1688             # Estimate "rough" progress, avoid division by zero
1689             if ($products == 0) {
1690                 $result->{'progress'}= 0;
1691             } else {
1692                 $result->{'progress'}= int($installed * 100 / $products);
1693             }
1694
1695             # Set updates in job queue
1696             if ((not $error) && (not $installing) && ($installed)) {
1697                 $act_status = "installed - ".join(", ", @installed_list);
1698             }
1699             if ($error) {
1700                 $act_status = "error - ".join(", ", @error_list);
1701             }
1702             if ($progress ne $result->{'progress'} ) {
1703                 # Updating progress and result
1704                 my $update_statement = "UPDATE $job_queue_tn SET modified='1', progress='".$result->{'progress'}."', result='$act_status' WHERE macaddress LIKE '$macaddress' AND siserver='localhost'";
1705                 my $update_res = $job_db->update_dbentry($update_statement);
1706             }
1707             if ($progress eq 100) {
1708                 # Updateing status
1709                 my $done_statement = "UPDATE $job_queue_tn SET modified='1', ";
1710                 if ($error) {
1711                     $done_statement .= "status='error'";
1712                 } else {
1713                     $done_statement .= "status='done'";
1714                 }
1715                 $done_statement .= " WHERE macaddress LIKE '$macaddress' AND siserver='localhost'";
1716                 my $done_res = $job_db->update_dbentry($done_statement);
1717             }
1718
1719
1720         }
1721     }
1722
1723     $kernel->delay_set('watch_for_opsi_jobs', $job_queue_opsi_delay);
1724 }
1725
1726
1727 # If a job got an update or was modified anyway, send to all other si-server an update message of this jobs.
1728 sub watch_for_modified_jobs {
1729     my ($kernel,$heap) = @_[KERNEL, HEAP];
1730
1731     my $sql_statement = "SELECT * FROM $job_queue_tn WHERE (modified='1')";
1732     my $res = $job_db->select_dbentry( $sql_statement );
1733
1734     # if db contains no jobs which should be update, do nothing
1735     if (keys %$res != 0) {
1736
1737         if ($job_synchronization  eq "true") {
1738             # make out of the db result a gosa-si message
1739             my $update_msg = &db_res2si_msg ($res, "foreign_job_updates", "KNOWN_SERVER", "MY_LOCAL_ADDRESS");
1740
1741             # update all other SI-server
1742             &inform_all_other_si_server($update_msg);
1743         }
1744
1745         # set jobs all jobs to modified = 0, wait until the next modification for updates of other si-server
1746         $sql_statement = "UPDATE $job_queue_tn SET modified='0' ";
1747         $res = $job_db->update_dbentry($sql_statement);
1748     }
1749
1750     $kernel->delay_set('watch_for_modified_jobs', $modified_jobs_loop_delay);
1751 }
1752
1753
1754 sub watch_for_new_jobs {
1755         if($watch_for_new_jobs_in_progress == 0) {
1756                 $watch_for_new_jobs_in_progress = 1;
1757                 my ($kernel,$heap) = @_[KERNEL, HEAP];
1758
1759                 # check gosa job queue for jobs with executable timestamp
1760                 my $timestamp = &get_time();
1761                 my $sql_statement = "SELECT * FROM $job_queue_tn WHERE siserver='localhost' AND status='waiting' AND (CAST(timestamp AS UNSIGNED)) < $timestamp ORDER BY timestamp";
1762                 my $res = $job_db->exec_statement( $sql_statement );
1763
1764                 # Merge all new jobs that would do the same actions
1765                 my @drops;
1766                 my $hits;
1767                 foreach my $hit (reverse @{$res} ) {
1768                         my $macaddress= lc @{$hit}[8];
1769                         my $headertag= @{$hit}[5];
1770                         if(
1771                                 defined($hits->{$macaddress}) &&
1772                                 defined($hits->{$macaddress}->{$headertag}) &&
1773                                 defined($hits->{$macaddress}->{$headertag}[0])
1774                         ) {
1775                                 push @drops, "DELETE FROM $job_queue_tn WHERE id = $hits->{$macaddress}->{$headertag}[0]";
1776                         }
1777                         $hits->{$macaddress}->{$headertag}= $hit;
1778                 }
1779
1780                 # Delete new jobs with a matching job in state 'processing'
1781                 foreach my $macaddress (keys %{$hits}) {
1782                         foreach my $jobdb_headertag (keys %{$hits->{$macaddress}}) {
1783                                 my $jobdb_id = @{$hits->{$macaddress}->{$jobdb_headertag}}[0];
1784                                 if(defined($jobdb_id)) {
1785                                         my $sql_statement = "SELECT * FROM $job_queue_tn WHERE macaddress LIKE '$macaddress' AND headertag='$jobdb_headertag' AND status='processing'";
1786                                         my $res = $job_db->exec_statement( $sql_statement );
1787                                         foreach my $hit (@{$res}) {
1788                                                 push @drops, "DELETE FROM $job_queue_tn WHERE id=$jobdb_id";
1789                                         }
1790                                 } else {
1791                                         daemon_log("J ERROR: Job without id exists for macaddress $macaddress!", 1);
1792                                 }
1793                         }
1794                 }
1795
1796                 # Commit deletion
1797                 $job_db->exec_statementlist(\@drops);
1798
1799                 # Look for new jobs that could be executed
1800                 foreach my $macaddress (keys %{$hits}) {
1801
1802                         # Look if there is an executing job
1803                         my $sql_statement = "SELECT * FROM $job_queue_tn WHERE macaddress LIKE '$macaddress' AND status='processing'";
1804                         my $res = $job_db->exec_statement( $sql_statement );
1805
1806                         # Skip new jobs for host if there is a processing job
1807                         if(defined($res) and defined @{$res}[0]) {
1808                                 # Prevent race condition if there is a trigger_activate job waiting and a goto-activation job processing
1809                                 my $row = @{$res}[0] if (ref $res eq 'ARRAY');
1810                                 if(@{$row}[5] eq 'trigger_action_reinstall') {
1811                                         my $sql_statement_2 =  "SELECT * FROM $job_queue_tn WHERE macaddress LIKE '$macaddress' AND status='waiting' AND headertag = 'trigger_activate_new'";
1812                                         my $res_2 = $job_db->exec_statement( $sql_statement_2 );
1813                                         if(defined($res_2) and defined @{$res_2}[0]) {
1814                                                 # Set status from goto-activation to 'waiting' and update timestamp
1815                                                 $job_db->exec_statement("UPDATE $job_queue_tn SET status='waiting', timestamp='".&calc_timestamp(&get_time(), 'plus', 30)."' WHERE macaddress LIKE '$macaddress' AND headertag = 'trigger_action_reinstall'");
1816                                         }
1817                                 }
1818                                 next;
1819                         }
1820
1821                         foreach my $jobdb_headertag (keys %{$hits->{$macaddress}}) {
1822                                 my $jobdb_id = @{$hits->{$macaddress}->{$jobdb_headertag}}[0];
1823                                 if(defined($jobdb_id)) {
1824                                         my $job_msg = @{$hits->{$macaddress}->{$jobdb_headertag}}[7];
1825
1826                                         daemon_log("J DEBUG: its time to execute $job_msg", 7);
1827                                         my $sql_statement = "SELECT * FROM known_clients WHERE macaddress LIKE '$macaddress'";
1828                                         my $res_hash = $known_clients_db->select_dbentry( $sql_statement );
1829
1830                                         # expect macaddress is unique!!!!!!
1831                                         my $target = $res_hash->{1}->{hostname};
1832
1833                                         # change header
1834                                         $job_msg =~ s/<header>job_/<header>gosa_/;
1835
1836                                         # add sqlite_id
1837                                         $job_msg =~ s/<\/xml>$/<jobdb_id>$jobdb_id<\/jobdb_id><\/xml>/;
1838
1839                                         $job_msg =~ /<header>(\S+)<\/header>/;
1840                                         my $header = $1 ;
1841                                         my $func_error = &send_msg_to_target($job_msg, $server_address, $GosaPackages_key, $header, "J");
1842
1843                                         # update status in job queue to ...
1844                     # ... 'processing', for jobs: 'reinstall', 'update'
1845                     if (($header =~ /gosa_trigger_action_reinstall/)
1846                             || ($header =~ /gosa_trigger_activate_new/)
1847                             || ($header =~ /gosa_trigger_action_update/)) {
1848                         my $sql_statement = "UPDATE $job_queue_tn SET status='processing' WHERE id=$jobdb_id";
1849                         my $dbres = $job_db->update_dbentry($sql_statement);
1850                     }
1851
1852                     # ... 'done', for all other jobs, they are no longer needed in the jobqueue
1853                     else {
1854                         my $sql_statement = "UPDATE $job_queue_tn SET status='done' WHERE id=$jobdb_id";
1855                         my $dbres = $job_db->update_dbentry($sql_statement);
1856                     }
1857
1858
1859                                         # We don't want parallel processing
1860                                         last;
1861                                 }
1862                         }
1863                 }
1864
1865                 $watch_for_new_jobs_in_progress = 0;
1866                 $kernel->delay_set('watch_for_new_jobs', $job_queue_loop_delay);
1867         }
1868 }
1869
1870
1871 sub watch_for_new_messages {
1872     my ($kernel,$heap) = @_[KERNEL, HEAP];
1873     my @coll_user_msg;   # collection list of outgoing messages
1874
1875     # check messaging_db for new incoming messages with executable timestamp
1876     my $timestamp = &get_time();
1877     my $sql_statement = "SELECT * FROM $messaging_tn WHERE ( (CAST(timestamp AS UNSIGNED))<$timestamp AND flag='n' AND direction='in' )";
1878     my $res = $messaging_db->exec_statement( $sql_statement );
1879         foreach my $hit (@{$res}) {
1880
1881         # create outgoing messages
1882         my $message_to = @{$hit}[3];
1883         # translate message_to to plain login name
1884         my @message_to_l = split(/,/, $message_to);
1885                 my %receiver_h;
1886                 foreach my $receiver (@message_to_l) {
1887                         if ($receiver =~ /^u_([\s\S]*)$/) {
1888                                 $receiver_h{$1} = 0;
1889                         } elsif ($receiver =~ /^g_([\s\S]*)$/) {
1890                                 my $group_name = $1;
1891                                 # fetch all group members from ldap and add them to receiver hash
1892                                 my $ldap_handle = &get_ldap_handle();
1893                                 if (defined $ldap_handle) {
1894                                                 my $mesg = $ldap_handle->search(
1895                                                                                 base => $ldap_base,
1896                                                                                 scope => 'sub',
1897                                                                                 attrs => ['memberUid'],
1898                                                                                 filter => "cn=$group_name",
1899                                                                                 );
1900                                                 if ($mesg->count) {
1901                                                                 my @entries = $mesg->entries;
1902                                                                 foreach my $entry (@entries) {
1903                                                                                 my @receivers= $entry->get_value("memberUid");
1904                                                                                 foreach my $receiver (@receivers) {
1905                                                                                                 $receiver_h{$receiver} = 0;
1906                                                                                 }
1907                                                                 }
1908                                                 }
1909                                                 # translating errors ?
1910                                                 if ($mesg->code) {
1911                                                                 daemon_log("M ERROR: unable to translate group '$group_name' to user list for message delivery: $mesg->error", 1);
1912                                                 }
1913                                                 &release_ldap_handle($ldap_handle);
1914                                 # ldap handle error ?
1915                                 } else {
1916                                         daemon_log("M ERROR: unable to translate group '$group_name' to user list for message delivery: no ldap handle available", 1);
1917                                 }
1918                         } else {
1919                                 my $sbjct = &encode_base64(@{$hit}[1]);
1920                                 my $msg = &encode_base64(@{$hit}[7]);
1921                                 &daemon_log("M WARNING: unknown receiver '$receiver' for a user-message '$sbjct - $msg'", 3);
1922                         }
1923                 }
1924                 my @receiver_l = keys(%receiver_h);
1925
1926         my $message_id = @{$hit}[0];
1927
1928         #add each outgoing msg to messaging_db
1929         my $receiver;
1930         foreach $receiver (@receiver_l) {
1931             my $sql_statement = "INSERT INTO $messaging_tn (id, subject, message_from, message_to, flag, direction, delivery_time, message, timestamp) ".
1932                 "VALUES ('".
1933                 $message_id."', '".    # id
1934                 @{$hit}[1]."', '".     # subject
1935                 @{$hit}[2]."', '".     # message_from
1936                 $receiver."', '".      # message_to
1937                 "none"."', '".         # flag
1938                 "out"."', '".          # direction
1939                 @{$hit}[6]."', '".     # delivery_time
1940                 @{$hit}[7]."', '".     # message
1941                 $timestamp."'".     # timestamp
1942                 ")";
1943             &daemon_log("M DEBUG: $sql_statement", 1);
1944             my $res = $messaging_db->exec_statement($sql_statement);
1945             &daemon_log("M INFO: message '".@{$hit}[0]."' is prepared for delivery to receiver '$receiver'", 5);
1946         }
1947
1948         # set incoming message to flag d=deliverd
1949         $sql_statement = "UPDATE $messaging_tn SET flag='p' WHERE id='$message_id'";
1950         &daemon_log("M DEBUG: $sql_statement", 7);
1951         $res = $messaging_db->update_dbentry($sql_statement);
1952         &daemon_log("M INFO: message '$message_id' is set to flag 'p' (processed)", 5);
1953     }
1954
1955     $kernel->delay_set('watch_for_new_messages', $messaging_db_loop_delay);
1956     return;
1957 }
1958
1959 sub watch_for_delivery_messages {
1960     my ($kernel, $heap) = @_[KERNEL, HEAP];
1961
1962     # select outgoing messages
1963     my $sql_statement = "SELECT * FROM $messaging_tn WHERE ( flag='p' AND direction='out' )";
1964     #&daemon_log("0 DEBUG: $sql", 7);
1965     my $res = $messaging_db->exec_statement( $sql_statement );
1966
1967     # build out msg for each    usr
1968     foreach my $hit (@{$res}) {
1969         my $receiver = @{$hit}[3];
1970         my $msg_id = @{$hit}[0];
1971         my $subject = @{$hit}[1];
1972         my $message = @{$hit}[7];
1973
1974         # resolve usr -> host where usr is logged in
1975         my $sql = "SELECT * FROM $login_users_tn WHERE (user='$receiver')";
1976         #&daemon_log("0 DEBUG: $sql", 7);
1977         my $res = $login_users_db->exec_statement($sql);
1978
1979         # receiver is logged in nowhere
1980         if (not ref(@$res[0]) eq "ARRAY") { next; }
1981
1982         # receiver ist logged in at a client registered at local server
1983                 my $send_succeed = 0;
1984                 foreach my $hit (@$res) {
1985                                 my $receiver_host = @$hit[0];
1986                 my $delivered2host = 0;
1987                                 &daemon_log("M DEBUG: user '$receiver' is logged in at host '$receiver_host'", 7);
1988
1989                                 # Looking for host in know_clients_db
1990                                 my $sql = "SELECT * FROM $known_clients_tn WHERE (hostname='$receiver_host')";
1991                                 my $res = $known_clients_db->exec_statement($sql);
1992
1993                 # Host is known in known_clients_db
1994                 if (ref(@$res[0]) eq "ARRAY") {
1995                     my $receiver_key = @{@{$res}[0]}[2];
1996                     my %data = ('subject' => $subject, 'message' => $message, 'usr' => $receiver);
1997                     my $out_msg = &build_msg("usr_msg", $server_address, $receiver_host, \%data );
1998                     my $error = &send_msg_to_target($out_msg, $receiver_host, $receiver_key, "usr_msg", 0);
1999                     if ($error == 0 ) {
2000                         $send_succeed++ ;
2001                         $delivered2host++ ;
2002                         &daemon_log("M DEBUG: send message for user '$receiver' to host '$receiver_host'", 7);
2003                     } else {
2004                         &daemon_log("M DEBUG: cannot send message for user '$receiver' to host '$receiver_host'", 7);
2005                     }
2006                 }
2007
2008                 # Message already send, do not need to do anything more, otherwise ...
2009                 if ($delivered2host) { next;}
2010
2011                 # ...looking for host in foreign_clients_db
2012                 $sql = "SELECT * FROM $foreign_clients_tn WHERE (hostname='$receiver_host')";
2013                 $res = $foreign_clients_db->exec_statement($sql);
2014
2015                                 # Host is known in foreign_clients_db
2016                                 if (ref(@$res[0]) eq "ARRAY") {
2017                     my $registration_server = @{@{$res}[0]}[2];
2018
2019                     # Fetch encryption key for registration server
2020                     my $sql = "SELECT * FROM $known_server_tn WHERE (hostname='$registration_server')";
2021                     my $res = $known_server_db->exec_statement($sql);
2022                     if (ref(@$res[0]) eq "ARRAY") {
2023                         my $registration_server_key = @{@{$res}[0]}[3];
2024                         my %data = ('subject' => $subject, 'message' => $message, 'usr' => $receiver);
2025                         my $out_msg = &build_msg("usr_msg", $server_address, $receiver_host, \%data );
2026                         my $error = &send_msg_to_target($out_msg, $registration_server, $registration_server_key, "usr_msg", 0);
2027                         if ($error == 0 ) {
2028                             $send_succeed++ ;
2029                             $delivered2host++ ;
2030                             &daemon_log("M DEBUG: send message for user '$receiver' to server '$registration_server'", 7);
2031                         } else {
2032                             &daemon_log("M ERROR: cannot send message for user '$receiver' to server '$registration_server'", 1);
2033                         }
2034
2035                     } else {
2036                         &daemon_log("M ERROR: host '$receiver_host' is reported to be ".
2037                                 "registrated at server '$registration_server', ".
2038                                 "but no data available in known_server_db ", 1);
2039                     }
2040                 }
2041
2042                 if (not $delivered2host) {
2043                     &daemon_log("M ERROR: unable to send user message to host '$receiver_host'", 1);
2044                 }
2045                 }
2046
2047                 if ($send_succeed) {
2048                                 # set outgoing msg at db to deliverd
2049                                 my $sql = "UPDATE $messaging_tn SET flag='d' WHERE (id='$msg_id' AND direction='out' AND message_to='$receiver')";
2050                                 my $res = $messaging_db->exec_statement($sql);
2051                 &daemon_log("M INFO: send message for user '$receiver' to logged in hosts", 5);
2052                 } else {
2053             &daemon_log("M WARNING: failed to deliver message for user '$receiver'", 3);
2054         }
2055         }
2056
2057     $kernel->delay_set('watch_for_delivery_messages', $messaging_db_loop_delay);
2058     return;
2059 }
2060
2061
2062 sub watch_for_done_messages {
2063     my ($kernel,$heap) = @_[KERNEL, HEAP];
2064
2065     my $sql = "SELECT * FROM $messaging_tn WHERE (flag='p' AND direction='in')";
2066     #&daemon_log("0 DEBUG: $sql", 7);
2067     my $res = $messaging_db->exec_statement($sql);
2068
2069     foreach my $hit (@{$res}) {
2070         my $msg_id = @{$hit}[0];
2071
2072         my $sql = "SELECT * FROM $messaging_tn WHERE (id='$msg_id' AND direction='out' AND (NOT flag='s'))";
2073         #&daemon_log("0 DEBUG: $sql", 7);
2074         my $res = $messaging_db->exec_statement($sql);
2075
2076         # not all usr msgs have been seen till now
2077         if ( ref(@$res[0]) eq "ARRAY") { next; }
2078
2079         $sql = "DELETE FROM $messaging_tn WHERE (id='$msg_id')";
2080         #&daemon_log("0 DEBUG: $sql", 7);
2081         $res = $messaging_db->exec_statement($sql);
2082
2083     }
2084
2085     $kernel->delay_set('watch_for_done_messages', $messaging_db_loop_delay);
2086     return;
2087 }
2088
2089
2090 sub watch_for_old_known_clients {
2091     my ($kernel,$heap) = @_[KERNEL, HEAP];
2092
2093     my $sql_statement = "SELECT * FROM $known_clients_tn";
2094     my $res = $known_clients_db->select_dbentry( $sql_statement );
2095
2096     my $cur_time = int(&get_time());
2097
2098     while ( my ($hit_num, $hit) = each %$res) {
2099         my $expired_timestamp = int($hit->{'timestamp'});
2100         $expired_timestamp =~ /(\d{4})(\d\d)(\d\d)(\d\d)(\d\d)(\d\d)/;
2101         my $dt = DateTime->new( year   => $1,
2102                 month  => $2,
2103                 day    => $3,
2104                 hour   => $4,
2105                 minute => $5,
2106                 second => $6,
2107                 );
2108
2109         $dt->add( seconds => 2 * int($hit->{'keylifetime'}) );
2110         $expired_timestamp = $dt->ymd('').$dt->hms('');
2111         if ($cur_time > $expired_timestamp) {
2112             my $hostname = $hit->{'hostname'};
2113             my $del_sql = "DELETE FROM $known_clients_tn WHERE hostname='$hostname'";
2114             my $del_res = $known_clients_db->exec_statement($del_sql);
2115
2116             &main::daemon_log("0 INFO: timestamp '".$hit->{'timestamp'}."' of client '$hostname' is expired('$expired_timestamp'), client will be deleted from known_clients_db", 5);
2117         }
2118
2119     }
2120
2121     $kernel->delay_set('watch_for_old_known_clients', $job_queue_loop_delay);
2122 }
2123
2124
2125 sub watch_for_next_tasks {
2126     my ($kernel,$heap) = @_[KERNEL, HEAP];
2127
2128     my $sql = "SELECT * FROM $incoming_tn";
2129     my $res = $incoming_db->select_dbentry($sql);
2130
2131     while ( my ($hit_num, $hit) = each %$res) {
2132         my $headertag = $hit->{'headertag'};
2133         if ($headertag =~ /^answer_(\d+)/) {
2134             # do not start processing, this message is for a still running POE::Wheel
2135             next;
2136         }
2137         my $message_id = $hit->{'id'};
2138         my $session_id = $hit->{'sessionid'};
2139         &daemon_log("$session_id DEBUG: start processing for message with incoming id: '$message_id'", 7);
2140
2141         $kernel->yield('next_task', $hit);
2142
2143         my $sql = "DELETE FROM $incoming_tn WHERE id=$message_id";
2144         my $res = $incoming_db->exec_statement($sql);
2145     }
2146
2147     $kernel->delay_set('watch_for_next_tasks', 1);
2148 }
2149
2150
2151 sub get_ldap_handle {
2152         my ($session_id) = @_;
2153         my $heap;
2154
2155         if (not defined $session_id ) { $session_id = 0 };
2156         if ($session_id =~ /[^0-9]*/) { $session_id = 0 };
2157
2158         my ($package, $file, $row, $subroutine, $hasArgs, $wantArray, $evalText, $isRequire) = caller(1);
2159         my $caller_text = "subroutine $subroutine";
2160         if ($subroutine eq "(eval)") {
2161                 $caller_text = "eval block within file '$file' for '$evalText'";
2162         }
2163         daemon_log("$session_id INFO: new ldap handle for '$caller_text' required!", 7);
2164
2165 get_handle:
2166         my $ldap_handle = Net::LDAP->new( $ldap_uri );
2167         if (not ref $ldap_handle) {
2168                 daemon_log("$session_id ERROR: Connection to LDAP URI '$ldap_uri' failed! Retrying!", 1);
2169                 usleep(1000);
2170                 goto get_handle;
2171         } else {
2172                 daemon_log("$session_id DEBUG: Connection to LDAP URI '$ldap_uri' established.", 6);
2173         }
2174
2175         $ldap_handle->bind($ldap_admin_dn, password => $ldap_admin_password) or &daemon_log("$session_id ERROR: Could not bind as '$ldap_admin_dn' to LDAP URI '$ldap_uri'!", 1);
2176         return $ldap_handle;
2177 }
2178
2179
2180 sub release_ldap_handle {
2181         my ($ldap_handle) = @_ ;
2182         if(ref $ldap_handle) {
2183           $ldap_handle->disconnect();
2184   }
2185         &main::daemon_log("0 DEBUG: Released a ldap handle!", 6);
2186         return;
2187 }
2188
2189
2190 sub change_fai_state {
2191         my ($st, $targets, $session_id) = @_;
2192         $session_id = 0 if not defined $session_id;
2193         # Set FAI state to localboot
2194         my %mapActions= (
2195                 reboot    => '',
2196                 update    => 'softupdate',
2197                 localboot => 'localboot',
2198                 reinstall => 'install',
2199                 rescan    => '',
2200                 wake      => '',
2201                 memcheck  => 'memcheck',
2202                 sysinfo   => 'sysinfo',
2203                 install   => 'install',
2204         );
2205
2206         # Return if this is unknown
2207         if (!exists $mapActions{ $st }){
2208                 daemon_log("$session_id ERROR: unknown action '$st', can not translate ot FAIstate", 1);
2209                 return;
2210         }
2211
2212         my $state= $mapActions{ $st };
2213
2214         # Build search filter for hosts
2215         my $search= "(&(objectClass=GOhard)";
2216         foreach (@{$targets}){
2217                 $search.= "(macAddress=$_)";
2218         }
2219         $search.= ")";
2220
2221         # If there's any host inside of the search string, procress them
2222         if (!($search =~ /macAddress/)){
2223                 daemon_log("$session_id ERROR: no macAddress found in filter statement for LDAP search: '$search'", 1);
2224                 return;
2225         }
2226
2227         my $ldap_handle = &get_ldap_handle($session_id);
2228         # Perform search for Unit Tag
2229         my $mesg = $ldap_handle->search(
2230                 base   => $ldap_base,
2231                 scope  => 'sub',
2232                 attrs  => ['dn', 'FAIstate', 'objectClass'],
2233                 filter => "$search"
2234         );
2235
2236         if ($mesg->count) {
2237                 my @entries = $mesg->entries;
2238                 if (0 == @entries) {
2239                         daemon_log("$session_id ERROR: ldap search failed: ldap_base=$ldap_base, filter=$search", 1);
2240                 }
2241
2242                 foreach my $entry (@entries) {
2243                         # Only modify entry if it is not set to '$state'
2244                         if ($entry->get_value("FAIstate") ne "$state"){
2245                                 daemon_log("$session_id INFO: Setting FAIstate to '$state' for ".$entry->dn, 5);
2246                                 my $result;
2247                                 my %tmp = map { $_ => 1 } $entry->get_value("objectClass");
2248                                 if (exists $tmp{'FAIobject'}){
2249                                         if ($state eq ''){
2250                                                 $result= $ldap_handle->modify($entry->dn, changes => [ delete => [ FAIstate => [] ] ]);
2251                                         } else {
2252                                                 $result= $ldap_handle->modify($entry->dn, changes => [ replace => [ FAIstate => $state ] ]);
2253                                         }
2254                                 } elsif ($state ne ''){
2255                                         $result= $ldap_handle->modify($entry->dn, changes => [ add => [ objectClass => 'FAIobject' ], add => [ FAIstate => $state ] ]);
2256                                 }
2257
2258                                 # Errors?
2259                                 if ($result->code){
2260                                         daemon_log("$session_id Error: Setting FAIstate to '$state' for ".$entry->dn. "failed: ".$result->error, 1);
2261                                 }
2262                         } else {
2263                                 daemon_log("$session_id DEBUG FAIstate at host '".$entry->dn."' already at state '$st'", 7);
2264                         }
2265                 }
2266         } else {
2267                 daemon_log("$session_id ERROR: LDAP search failed: ldap_base=$ldap_base, filter=$search", 1);
2268         }
2269         &release_ldap_handle($ldap_handle);
2270
2271         return;
2272 }
2273
2274
2275 sub change_goto_state {
2276     my ($st, $targets, $session_id) = @_;
2277     $session_id = 0  if not defined $session_id;
2278
2279     # Switch on or off?
2280     my $state= $st eq 'active' ? 'active': 'locked';
2281
2282     my $ldap_handle = &get_ldap_handle($session_id);
2283     if( defined($ldap_handle) ) {
2284
2285       # Build search filter for hosts
2286       my $search= "(&(objectClass=GOhard)";
2287       foreach (@{$targets}){
2288         $search.= "(macAddress=$_)";
2289       }
2290       $search.= ")";
2291
2292       # If there's any host inside of the search string, procress them
2293       if (!($search =~ /macAddress/)){
2294               &release_ldap_handle($ldap_handle);
2295         return;
2296       }
2297
2298       # Perform search for Unit Tag
2299       my $mesg = $ldap_handle->search(
2300           base   => $ldap_base,
2301           scope  => 'sub',
2302           attrs  => ['dn', 'gotoMode'],
2303           filter => "$search"
2304           );
2305
2306       if ($mesg->count) {
2307         my @entries = $mesg->entries;
2308         foreach my $entry (@entries) {
2309
2310           # Only modify entry if it is not set to '$state'
2311           if ($entry->get_value("gotoMode") ne $state){
2312
2313             daemon_log("$session_id INFO: Setting gotoMode to '$state' for ".$entry->dn, 5);
2314             my $result;
2315             $result= $ldap_handle->modify($entry->dn, changes => [replace => [ gotoMode => $state ] ]);
2316
2317             # Errors?
2318             if ($result->code){
2319               &daemon_log("$session_id Error: Setting gotoMode to '$state' for ".$entry->dn. "failed: ".$result->error, 1);
2320             }
2321
2322           }
2323         }
2324       } else {
2325                 daemon_log("$session_id ERROR: LDAP search failed in function change_goto_state: ldap_base=$ldap_base, filter=$search", 1);
2326           }
2327
2328     }
2329         &release_ldap_handle($ldap_handle);
2330         return;
2331 }
2332
2333
2334 sub run_recreate_packages_db {
2335     my ($kernel, $session, $heap) = @_[KERNEL, SESSION, HEAP];
2336     my $session_id = $session->ID;
2337         &main::daemon_log("$session_id INFO: Recreating FAI Packages DB ('$fai_release_tn', '$fai_server_tn', '$packages_list_tn')", 5);
2338         $kernel->yield('create_fai_release_db', $fai_release_tn);
2339         $kernel->yield('create_fai_server_db', $fai_server_tn);
2340         return;
2341 }
2342
2343
2344 sub run_create_fai_server_db {
2345     my ($kernel, $session, $heap, $table_name) = @_[KERNEL, SESSION, HEAP, ARG0];
2346     my $session_id = $session->ID;
2347     my $task = POE::Wheel::Run->new(
2348             Program => sub { &create_fai_server_db($table_name,$kernel, undef, $session_id) },
2349             StdoutEvent  => "session_run_result",
2350             StderrEvent  => "session_run_debug",
2351             CloseEvent   => "session_run_done",
2352             );
2353
2354     $heap->{task}->{ $task->ID } = $task;
2355     return;
2356 }
2357
2358
2359 sub create_fai_server_db {
2360         my ($table_name, $kernel, $dont_create_packages_list, $session_id) = @_;
2361         my $result;
2362
2363         if (not defined $session_id) { $session_id = 0; }
2364         my $ldap_handle = &get_ldap_handle($session_id);
2365         if(defined($ldap_handle)) {
2366                 daemon_log("$session_id INFO: create_fai_server_db: start", 5);
2367                 my $mesg= $ldap_handle->search(
2368                         base   => $ldap_base,
2369                         scope  => 'sub',
2370                         attrs  => ['FAIrepository', 'gosaUnitTag'],
2371                         filter => "(&(FAIrepository=*)(objectClass=FAIrepositoryServer))",
2372                 );
2373                 if($mesg->{'resultCode'} == 0 &&
2374                         $mesg->count != 0) {
2375                         foreach my $entry (@{$mesg->{entries}}) {
2376                                 if($entry->exists('FAIrepository')) {
2377                                         # Add an entry for each Repository configured for server
2378                                         foreach my $repo(@{$entry->get_value('FAIrepository', asref => 1)}) {
2379                                                 my($tmp_url,$tmp_server,$tmp_release,$tmp_sections) = split(/\|/, $repo);
2380                                                 my $tmp_tag= $entry->get_value('gosaUnitTag') || "";
2381                                                 $result= $fai_server_db->add_dbentry( {
2382                                                                 table => $table_name,
2383                                                                 primkey => ['server', 'fai_release', 'tag'],
2384                                                                 server => $tmp_url,
2385                                                                 fai_release => $tmp_release,
2386                                                                 sections => $tmp_sections,
2387                                                                 tag => (length($tmp_tag)>0)?$tmp_tag:"",
2388                                                         } );
2389                                         }
2390                                 }
2391                         }
2392                 }
2393                 daemon_log("$session_id INFO: create_fai_server_db: finished", 5);
2394                 &release_ldap_handle($ldap_handle);
2395
2396                 # TODO: Find a way to post the 'create_packages_list_db' event
2397                 if(not defined($dont_create_packages_list)) {
2398                         &create_packages_list_db(undef, $session_id);
2399                 }
2400         }
2401
2402         return $result;
2403 }
2404
2405
2406 sub run_create_fai_release_db {
2407         my ($kernel, $session, $heap, $table_name) = @_[KERNEL, SESSION, HEAP, ARG0];
2408         my $session_id = $session->ID;
2409         my $task = POE::Wheel::Run->new(
2410                 Program => sub { &create_fai_release_db($table_name, $session_id) },
2411                 StdoutEvent  => "session_run_result",
2412                 StderrEvent  => "session_run_debug",
2413                 CloseEvent   => "session_run_done",
2414         );
2415
2416         $heap->{task}->{ $task->ID } = $task;
2417         return;
2418 }
2419
2420
2421 sub create_fai_release_db {
2422         my ($table_name, $session_id) = @_;
2423         my $result;
2424
2425         # used for logging
2426         if (not defined $session_id) { $session_id = 0; }
2427
2428         my $ldap_handle = &get_ldap_handle($session_id);
2429         if(defined($ldap_handle)) {
2430                 daemon_log("$session_id INFO: create_fai_release_db: start",5);
2431                 my $mesg= $ldap_handle->search(
2432                         base   => $ldap_base,
2433                         scope  => 'sub',
2434                         attrs  => [],
2435                         filter => "(&(objectClass=organizationalUnit)(ou=fai))",
2436                 );
2437                 if(($mesg->code == 0) && ($mesg->count != 0))
2438                 {
2439                         daemon_log("$session_id DEBUG: create_fai_release_db: count " . $mesg->count,8);
2440
2441                         # Walk through all possible FAI container ou's
2442                         my @sql_list;
2443                         my $timestamp= &get_time();
2444                         foreach my $ou (@{$mesg->{entries}}) {
2445                                 my $tmp_classes= resolve_fai_classes($ou->dn, $ldap_handle, $session_id);
2446                                 if(defined($tmp_classes) && ref($tmp_classes) eq 'HASH') {
2447                                         my @tmp_array=get_fai_release_entries($tmp_classes);
2448                                         if(@tmp_array) {
2449                                                 foreach my $entry (@tmp_array) {
2450                                                         if(defined($entry) && ref($entry) eq 'HASH') {
2451                                                                 my $sql=
2452                                                                 "INSERT INTO $table_name "
2453                                                                 ."(timestamp, fai_release, class, type, state) VALUES ("
2454                                                                 .$timestamp.","
2455                                                                 ."'".$entry->{'release'}."',"
2456                                                                 ."'".$entry->{'class'}."',"
2457                                                                 ."'".$entry->{'type'}."',"
2458                                                                 ."'".$entry->{'state'}."')";
2459                                                                 push @sql_list, $sql;
2460                                                         }
2461                                                 }
2462                                         }
2463                                 }
2464                         }
2465
2466                         daemon_log("$session_id DEBUG: create_fai_release_db: Inserting ".scalar @sql_list." entries to DB",8);
2467             &release_ldap_handle($ldap_handle);
2468                         if(@sql_list) {
2469                                 unshift @sql_list, "VACUUM";
2470                                 unshift @sql_list, "DELETE FROM $table_name";
2471                                 $fai_release_db->exec_statementlist(\@sql_list);
2472                         }
2473                         daemon_log("$session_id DEBUG: create_fai_release_db: Done with inserting",7);
2474                 } else {
2475                         daemon_log("$session_id INFO: create_fai_release_db: error: " . $mesg->code, 5);
2476                 }
2477                 daemon_log("$session_id INFO: create_fai_release_db: finished",5);
2478         }
2479         return $result;
2480 }
2481
2482 sub get_fai_types {
2483         my $tmp_classes = shift || return undef;
2484         my @result;
2485
2486         foreach my $type(keys %{$tmp_classes}) {
2487                 if(defined($tmp_classes->{$type}[0]) && (!($tmp_classes->{$type}[0] =~ /^.*?removed.*?$/))) {
2488                         my $entry = {
2489                                 type => $type,
2490                                 state => $tmp_classes->{$type}[0],
2491                         };
2492                         push @result, $entry;
2493                 }
2494         }
2495
2496         return @result;
2497 }
2498
2499 sub get_fai_state {
2500         my $result = "";
2501         my $tmp_classes = shift || return $result;
2502
2503         foreach my $type(keys %{$tmp_classes}) {
2504                 if(defined($tmp_classes->{$type}[0])) {
2505                         $result = $tmp_classes->{$type}[0];
2506
2507                 # State is equal for all types in class
2508                         last;
2509                 }
2510         }
2511
2512         return $result;
2513 }
2514
2515 sub resolve_fai_classes {
2516         my ($fai_base, $ldap_handle, $session_id) = @_;
2517         if (not defined $session_id) { $session_id = 0; }
2518         my $result;
2519         my @possible_fai_classes= ("FAIscript", "FAIhook", "FAIpartitionTable", "FAItemplate", "FAIvariable", "FAIprofile", "FAIpackageList");
2520         my $fai_filter= "(|(&(objectClass=FAIclass)(|(objectClass=".join(")(objectClass=", @possible_fai_classes).")))(objectClass=FAIbranch))";
2521         my $fai_classes;
2522
2523         daemon_log("$session_id DEBUG: Searching for FAI entries in base $fai_base",7);
2524         my $mesg= $ldap_handle->search(
2525                 base   => $fai_base,
2526                 scope  => 'sub',
2527                 attrs  => ['cn','objectClass','FAIstate'],
2528                 filter => $fai_filter,
2529         );
2530         daemon_log("$session_id DEBUG: Found ".$mesg->count()." FAI entries",7);
2531
2532         if($mesg->{'resultCode'} == 0 &&
2533                 $mesg->count != 0) {
2534                 foreach my $entry (@{$mesg->{entries}}) {
2535                         if($entry->exists('cn')) {
2536                                 my $tmp_dn= $entry->dn();
2537                                 $tmp_dn= substr( $tmp_dn, 0, length($tmp_dn)
2538                                         - length($fai_base) - 1 );
2539
2540                                 # Skip classname and ou dn parts for class
2541                                 my $tmp_release = ($1) if $tmp_dn =~ /^[^,]+,[^,]+,(.*?)$/;
2542
2543                                 # Skip classes without releases
2544                                 if((!defined($tmp_release)) || length($tmp_release)==0) {
2545                                         next;
2546                                 }
2547
2548                                 my $tmp_cn= $entry->get_value('cn');
2549                                 my $tmp_state= $entry->get_value('FAIstate');
2550
2551                                 my $tmp_type;
2552                                 # Get FAI type
2553                                 for my $oclass(@{$entry->get_value('objectClass', asref => 1)}) {
2554                                         if(grep $_ eq $oclass, @possible_fai_classes) {
2555                                                 $tmp_type= $oclass;
2556                                                 last;
2557                                         }
2558                                 }
2559
2560                                 if($tmp_release =~ /^.*?,.*?$/ && (!($tmp_release =~ /^.*?\\,.*?$/))) {
2561                                         # A Subrelease
2562                                         my @sub_releases = split(/,/, $tmp_release);
2563
2564                                         # Walk through subreleases and build hash tree
2565                                         my $hash;
2566                                         while(my $tmp_sub_release = pop @sub_releases) {
2567                                                 $hash .= "\{'$tmp_sub_release'\}->";
2568                                         }
2569                                         eval('push @{$fai_classes->'.$hash.'{$tmp_cn}->{$tmp_type}}, (defined($tmp_state) && length($tmp_state)>0)?$tmp_state:"";');
2570                                 } else {
2571                                         # A branch, no subrelease
2572                                         push @{$fai_classes->{$tmp_release}->{$tmp_cn}->{$tmp_type}}, (defined($tmp_state) && length($tmp_state)>0)?$tmp_state:"";
2573                                 }
2574                         } elsif (!$entry->exists('cn')) {
2575                                 my $tmp_dn= $entry->dn();
2576                                 $tmp_dn= substr( $tmp_dn, 0, length($tmp_dn)
2577                                         - length($fai_base) - 1 );
2578                                 my $tmp_release = ($1) if $tmp_dn =~ /^(.*?)$/;
2579
2580                                 # Skip classes without releases
2581                                 if((!defined($tmp_release)) || length($tmp_release)==0) {
2582                                         next;
2583                                 }
2584
2585                                 if($tmp_release =~ /^.*?,.*?$/ && (!($tmp_release =~ /^.*?\\,.*?$/))) {
2586                                         # A Subrelease
2587                                         my @sub_releases= split(/,/, $tmp_release);
2588
2589                                         # Walk through subreleases and build hash tree
2590                                         my $hash;
2591                                         while(my $tmp_sub_release = pop @sub_releases) {
2592                                                 $hash .= "\{'$tmp_sub_release'\}->";
2593                                         }
2594                                         # Remove the last two characters
2595                                         chop($hash);
2596                                         chop($hash);
2597
2598                                         eval('$fai_classes->'.$hash.'= {}');
2599                                 } else {
2600                                         # A branch, no subrelease
2601                                         if(!exists($fai_classes->{$tmp_release})) {
2602                                                 $fai_classes->{$tmp_release} = {};
2603                                         }
2604                                 }
2605                         }
2606                 }
2607
2608                 # The hash is complete, now we can honor the copy-on-write based missing entries
2609                 foreach my $release (keys %$fai_classes) {
2610                         $result->{$release}= deep_copy(apply_fai_inheritance($fai_classes->{$release}));
2611                 }
2612         }
2613         return $result;
2614 }
2615
2616 sub apply_fai_inheritance {
2617        my $fai_classes = shift || return {};
2618        my $tmp_classes;
2619
2620        # Get the classes from the branch
2621        foreach my $class (keys %{$fai_classes}) {
2622                # Skip subreleases
2623                if($class =~ /^ou=.*$/) {
2624                        next;
2625                } else {
2626                        $tmp_classes->{$class}= deep_copy($fai_classes->{$class});
2627                }
2628        }
2629
2630        # Apply to each subrelease
2631        foreach my $subrelease (keys %{$fai_classes}) {
2632                if($subrelease =~ /ou=/) {
2633                        foreach my $tmp_class (keys %{$tmp_classes}) {
2634                                if(!exists($fai_classes->{$subrelease}->{$tmp_class})) {
2635                                        $fai_classes->{$subrelease}->{$tmp_class} =
2636                                        deep_copy($tmp_classes->{$tmp_class});
2637                                } else {
2638                                        foreach my $type (keys %{$tmp_classes->{$tmp_class}}) {
2639                                                if(!exists($fai_classes->{$subrelease}->{$tmp_class}->{$type})) {
2640                                                        $fai_classes->{$subrelease}->{$tmp_class}->{$type}=
2641                                                        deep_copy($tmp_classes->{$tmp_class}->{$type});
2642                                                }
2643                                        }
2644                                }
2645                        }
2646                }
2647        }
2648
2649        # Find subreleases in deeper levels
2650        foreach my $subrelease (keys %{$fai_classes}) {
2651                if($subrelease =~ /ou=/) {
2652                        foreach my $subsubrelease (keys %{$fai_classes->{$subrelease}}) {
2653                                if($subsubrelease =~ /ou=/) {
2654                                        apply_fai_inheritance($fai_classes->{$subrelease});
2655                                }
2656                        }
2657                }
2658        }
2659
2660        return $fai_classes;
2661 }
2662
2663 sub get_fai_release_entries {
2664         my $tmp_classes = shift || return;
2665         my $parent = shift || "";
2666         my @result = shift || ();
2667
2668         foreach my $entry (keys %{$tmp_classes}) {
2669                 if(defined($entry)) {
2670                         if($entry =~ /^ou=.*$/) {
2671                                 my $release_name = $entry;
2672                                 $release_name =~ s/ou=//g;
2673                                 if(length($parent)>0) {
2674                                         $release_name = $parent."/".$release_name;
2675                                 }
2676                                 my @bufentries = get_fai_release_entries($tmp_classes->{$entry}, $release_name, @result);
2677                                 foreach my $bufentry(@bufentries) {
2678                                         push @result, $bufentry;
2679                                 }
2680                         } else {
2681                                 my @types = get_fai_types($tmp_classes->{$entry});
2682                                 foreach my $type (@types) {
2683                                         push @result,
2684                                         {
2685                                                 'class' => $entry,
2686                                                 'type' => $type->{'type'},
2687                                                 'release' => $parent,
2688                                                 'state' => $type->{'state'},
2689                                         };
2690                                 }
2691                         }
2692                 }
2693         }
2694
2695         return @result;
2696 }
2697
2698 sub deep_copy {
2699         my $this = shift;
2700         if (not ref $this) {
2701                 $this;
2702         } elsif (ref $this eq "ARRAY") {
2703                 [map deep_copy($_), @$this];
2704         } elsif (ref $this eq "HASH") {
2705                 +{map { $_ => deep_copy($this->{$_}) } keys %$this};
2706         } else { die "what type is $_?" }
2707 }
2708
2709
2710 sub session_run_result {
2711     my ($kernel, $heap, $client_answer) = @_[KERNEL, HEAP, ARG0];
2712     $kernel->sig(CHLD => "child_reap");
2713 }
2714
2715 sub session_run_debug {
2716     my $result = $_[ARG0];
2717     print STDERR "$result\n";
2718 }
2719
2720 sub session_run_done {
2721     my ( $kernel, $heap, $task_id ) = @_[ KERNEL, HEAP, ARG0 ];
2722     delete $heap->{task}->{$task_id};
2723         if (exists $heap->{ldap_handle}->{$task_id}) {
2724                 &release_ldap_handle($heap->{ldap_handle}->{$task_id});
2725         }
2726         delete $heap->{ldap_handle}->{$task_id};
2727 }
2728
2729
2730 sub create_sources_list {
2731         my $session_id = shift || 0;
2732         my $result="/tmp/gosa_si_tmp_sources_list";
2733
2734         # Remove old file
2735         if(stat($result)) {
2736                 unlink($result);
2737                 &main::daemon_log("$session_id DEBUG: remove an old version of '$result'", 7);
2738         }
2739
2740         my $fh;
2741         open($fh, ">$result");
2742         if (not defined $fh) {
2743                 &main::daemon_log("$session_id DEBUG: cannot open '$result' for writing", 7);
2744                 return undef;
2745         }
2746         if(defined($main::ldap_server_dn) and length($main::ldap_server_dn) > 0) {
2747                 my $ldap_handle = &get_ldap_handle($session_id);
2748                 my $mesg=$ldap_handle->search(
2749                         base    => $main::ldap_server_dn,
2750                         scope   => 'base',
2751                         attrs   => 'FAIrepository',
2752                         filter  => 'objectClass=FAIrepositoryServer'
2753                 );
2754                 if($mesg->count) {
2755                         foreach my $entry(@{$mesg->{'entries'}}) {
2756                                 foreach my $value(@{$entry->get_value('FAIrepository', asref => 1)}) {
2757                                         my ($server, $tag, $release, $sections)= split /\|/, $value;
2758                                         my $line = "deb $server $release";
2759                                         $sections =~ s/,/ /g;
2760                                         $line.= " $sections";
2761                                         print $fh $line."\n";
2762                                 }
2763                         }
2764                 }
2765                 &release_ldap_handle($ldap_handle);
2766         } else {
2767                 if (defined $main::ldap_server_dn){
2768                         &main::daemon_log("$session_id ERROR: something wrong with ldap_server_dn '$main::ldap_server_dn', abort create_sources_list", 1);
2769                 } else {
2770                         &main::daemon_log("$session_id ERROR: no ldap_server_dn found, abort create_sources_list", 1);
2771                 }
2772         }
2773         close($fh);
2774
2775         return $result;
2776 }
2777
2778
2779 sub run_create_packages_list_db {
2780     my ($kernel, $session, $heap) = @_[KERNEL, SESSION, HEAP];
2781         my $session_id = $session->ID;
2782         my $task = POE::Wheel::Run->new(
2783                                         Priority => +20,
2784                                         Program => sub {&create_packages_list_db(undef, $session_id)},
2785                                         StdoutEvent  => "session_run_result",
2786                                         StderrEvent  => "session_run_debug",
2787                                         CloseEvent   => "session_run_done",
2788                                         );
2789         $heap->{task}->{ $task->ID } = $task;
2790 }
2791
2792
2793 sub create_packages_list_db {
2794         my ($sources_file, $session_id) = @_;
2795
2796         # it should not be possible to trigger a recreation of packages_list_db
2797         # while packages_list_db is under construction, so set flag packages_list_under_construction
2798         # which is tested befor recreation can be started
2799         if (-r $packages_list_under_construction) {
2800                 daemon_log("$session_id WARNING: packages_list_db is right now under construction, please wait until this process is finished", 3);
2801                 return;
2802         } else {
2803                 daemon_log("$session_id INFO: create_packages_list_db: start", 5);
2804                 # set packages_list_under_construction to true
2805                 system("touch $packages_list_under_construction");
2806                 @packages_list_statements=();
2807         }
2808
2809         if (not defined $session_id) { $session_id = 0; }
2810
2811         if (not defined $sources_file) {
2812                 &main::daemon_log("$session_id INFO: no sources_file given for creating packages list so trigger creation of it", 5);
2813                 $sources_file = &create_sources_list($session_id);
2814         }
2815
2816         if (not defined $sources_file) {
2817                 &main::daemon_log("$session_id ERROR: no sources_file given under '$sources_file', skip create_packages_list_db", 1);
2818                 unlink($packages_list_under_construction);
2819                 return;
2820         }
2821
2822         my $line;
2823
2824         open(CONFIG, "<$sources_file") or do {
2825                 daemon_log( "$session_id ERROR: create_packages_list_db: Failed to open '$sources_file'", 1);
2826                 unlink($packages_list_under_construction);
2827                 return;
2828         };
2829
2830         # Read lines
2831         while ($line = <CONFIG>){
2832                 # Unify
2833                 chop($line);
2834                 $line =~ s/^\s+//;
2835                 $line =~ s/^\s+/ /;
2836
2837                 # Strip comments
2838                 $line =~ s/#.*$//g;
2839
2840                 # Skip empty lines
2841                 if ($line =~ /^\s*$/){
2842                         next;
2843                 }
2844
2845                 # Interpret deb line
2846                 if ($line =~ /^deb [^\s]+\s[^\s]+\s[^\s]+/){
2847                         my( $baseurl, $dist, $sections ) = ($line =~ /^deb\s([^\s]+)\s+([^\s]+)\s+(.*)$/);
2848                         my $section;
2849                         foreach $section (split(' ', $sections)){
2850                                 &parse_package_info( $baseurl, $dist, $section, $session_id );
2851                         }
2852                 }
2853         }
2854
2855         close (CONFIG);
2856
2857         if(keys(%repo_dirs)) {
2858                 find(\&cleanup_and_extract, keys( %repo_dirs ));
2859                 &main::strip_packages_list_statements();
2860                 $packages_list_db->exec_statementlist(\@packages_list_statements);
2861         }
2862         unlink($packages_list_under_construction);
2863         daemon_log("$session_id INFO: create_packages_list_db: finished", 5);
2864         return;
2865 }
2866
2867 # This function should do some intensive task to minimize the db-traffic
2868 sub strip_packages_list_statements {
2869         my @existing_entries= @{$packages_list_db->exec_statement("SELECT * FROM $main::packages_list_tn")};
2870         my @new_statement_list=();
2871         my $hash;
2872         my $insert_hash;
2873         my $update_hash;
2874         my $delete_hash;
2875         my $known_packages_hash;
2876         my $local_timestamp=get_time();
2877
2878         foreach my $existing_entry (@existing_entries) {
2879                 $hash->{@{$existing_entry}[0]}->{@{$existing_entry}[1]}->{@{$existing_entry}[2]}= $existing_entry;
2880         }
2881
2882         foreach my $statement (@packages_list_statements) {
2883                 if($statement =~ /^INSERT/i) {
2884                         # Assign the values from the insert statement
2885                         my ($distribution,$package,$version,$section,$description,$template,$timestamp) = ($1,$2,$3,$4,$5,$6,$7) if $statement =~
2886                         /^INSERT\s+?INTO\s+?$main::packages_list_tn\s+?VALUES\s*?\('(.*?)',\s*?'(.*?)',\s*?'(.*?)',\s*?'(.*?)',\s*?'(.*?)',\s*?'(.*?)',\s*?'(.*?)'\s*?\)$/si;
2887                         if(exists($hash->{$distribution}->{$package}->{$version})) {
2888                                 # If section or description has changed, update the DB
2889                                 if(
2890                                         (! (@{$hash->{$distribution}->{$package}->{$version}}[3] eq $section)) or
2891                                         (! (@{$hash->{$distribution}->{$package}->{$version}}[4] eq $description))
2892                                 ) {
2893                                         @{$update_hash->{$distribution}->{$package}->{$version}} = ($distribution,$package,$version,$section,$description,undef);
2894                                 } else {
2895                                         # package is already present in database. cache this knowledge for later use
2896                                         @{$known_packages_hash->{$distribution}->{$package}->{$version}} = ($distribution,$package,$version,$section,$description,$template);
2897                                 }
2898                         } else {
2899                                 # Insert a non-existing entry to db
2900                                 @{$insert_hash->{$distribution}->{$package}->{$version}} = ($distribution,$package,$version,$section,$description,$template);
2901                         }
2902                 } elsif ($statement =~ /^UPDATE/i) {
2903                         my ($template,$package,$version) = ($1,$2,$3) if $statement =~
2904                         /^update\s+?$main::packages_list_tn\s+?set\s+?template\s*?=\s*?'(.*?)'\s+?where\s+?package\s*?=\s*?'(.*?)'\s+?and\s+?version\s*?=\s*?'(.*?)'\s*?;$/si;
2905                         foreach my $distribution (keys %{$hash}) {
2906                                 if(exists($insert_hash->{$distribution}->{$package}->{$version})) {
2907                                         # update the insertion hash to execute only one query per package (insert instead insert+update)
2908                                         @{$insert_hash->{$distribution}->{$package}->{$version}}[5]= $template;
2909                                 } elsif(exists($hash->{$distribution}->{$package}->{$version})) {
2910                                         if( ! (@{$hash->{$distribution}->{$package}->{$version}}[5] eq $template)) {
2911                                                 my $section;
2912                                                 my $description;
2913                                                 if(defined(@{$update_hash->{$distribution}->{$package}->{$version}}[3]) and
2914                                                         length(@{$update_hash->{$distribution}->{$package}->{$version}}[3]) > 0 ) {
2915                                                         $section= @{$update_hash->{$distribution}->{$package}->{$version}}[3];
2916                                                 }
2917                                                 if(defined(@{$update_hash->{$distribution}->{$package}->{$version}}[4])) {
2918                                                         $description= @{$update_hash->{$distribution}->{$package}->{$version}}[4];
2919                                                 }
2920                                                 @{$update_hash->{$distribution}->{$package}->{$version}} = ($distribution,$package,$version,$section,$description,$template);
2921                                         }
2922                                 }
2923                         }
2924                 }
2925         }
2926
2927         # Check for orphaned entries
2928         foreach my $existing_entry (@existing_entries) {
2929                 my $distribution= @{$existing_entry}[0];
2930                 my $package= @{$existing_entry}[1];
2931                 my $version= @{$existing_entry}[2];
2932                 my $section= @{$existing_entry}[3];
2933
2934                 if(
2935                         exists($insert_hash->{$distribution}->{$package}->{$version}) ||
2936                         exists($update_hash->{$distribution}->{$package}->{$version}) ||
2937                         exists($known_packages_hash->{$distribution}->{$package}->{$version})
2938                 ) {
2939                         next;
2940                 } else {
2941                         # Insert entry to delete hash
2942                         @{$delete_hash->{$distribution}->{$package}->{$version}} = ($distribution,$package,$version,$section);
2943                 }
2944         }
2945
2946         # unroll the insert hash
2947         foreach my $distribution (keys %{$insert_hash}) {
2948                 foreach my $package (keys %{$insert_hash->{$distribution}}) {
2949                         foreach my $version (keys %{$insert_hash->{$distribution}->{$package}}) {
2950                                 push @new_statement_list, "INSERT INTO $main::packages_list_tn VALUES ('$distribution','$package','$version',"
2951                                 ."'@{$insert_hash->{$distribution}->{$package}->{$version}}[3]',"
2952                                 ."'@{$insert_hash->{$distribution}->{$package}->{$version}}[4]',"
2953                                 ."'@{$insert_hash->{$distribution}->{$package}->{$version}}[5]',"
2954                                 ."'$local_timestamp')";
2955                         }
2956                 }
2957         }
2958
2959         # unroll the update hash
2960         foreach my $distribution (keys %{$update_hash}) {
2961                 foreach my $package (keys %{$update_hash->{$distribution}}) {
2962                         foreach my $version (keys %{$update_hash->{$distribution}->{$package}}) {
2963                                 my $set = "";
2964                                 if(defined(@{$update_hash->{$distribution}->{$package}->{$version}}[3])) {
2965                                         $set .= "section = '@{$update_hash->{$distribution}->{$package}->{$version}}[3]', ";
2966                                 }
2967                                 if(defined(@{$update_hash->{$distribution}->{$package}->{$version}}[4])) {
2968                                         $set .= "description = '@{$update_hash->{$distribution}->{$package}->{$version}}[4]', ";
2969                                 }
2970                                 if(defined(@{$update_hash->{$distribution}->{$package}->{$version}}[5])) {
2971                                         $set .= "template = '@{$update_hash->{$distribution}->{$package}->{$version}}[5]', ";
2972                                 }
2973                                 if(defined($set) and length($set) > 0) {
2974                                         $set .= "timestamp = '$local_timestamp'";
2975                                 } else {
2976                                         next;
2977                                 }
2978                                 push @new_statement_list,
2979                                 "UPDATE $main::packages_list_tn SET $set WHERE"
2980                                 ." distribution = '$distribution'"
2981                                 ." AND package = '$package'"
2982                                 ." AND version = '$version'";
2983                         }
2984                 }
2985         }
2986
2987         # unroll the delete hash
2988         foreach my $distribution (keys %{$delete_hash}) {
2989                 foreach my $package (keys %{$delete_hash->{$distribution}}) {
2990                         foreach my $version (keys %{$delete_hash->{$distribution}->{$package}}) {
2991                                 my $section = @{$delete_hash->{$distribution}->{$package}->{$version}}[3];
2992                                 push @new_statement_list, "DELETE FROM $main::packages_list_tn WHERE distribution='$distribution' AND package='$package' AND version='$version' AND section='$section'";
2993                         }
2994                 }
2995         }
2996
2997         unshift(@new_statement_list, "VACUUM");
2998
2999         @packages_list_statements = @new_statement_list;
3000 }
3001
3002
3003 sub parse_package_info {
3004     my ($baseurl, $dist, $section, $session_id)= @_;
3005     my ($package);
3006     if (not defined $session_id) { $session_id = 0; }
3007     my ($path) = ($baseurl =~ m%://[^/]*(.*)$%);
3008     $repo_dirs{ "${repo_path}/pool" } = 1;
3009
3010     foreach $package ("Packages.gz"){
3011         daemon_log("$session_id DEBUG: create_packages_list: fetch $baseurl, $dist, $section", 7);
3012         get_package( "$baseurl/dists/$dist/$section/binary-$arch/$package", "$outdir/$dist/$section", $session_id );
3013         parse_package( "$outdir/$dist/$section", $dist, $path, $session_id );
3014     }
3015
3016 }
3017
3018
3019 sub get_package {
3020     my ($url, $dest, $session_id)= @_;
3021     if (not defined $session_id) { $session_id = 0; }
3022
3023     my $tpath = dirname($dest);
3024     -d "$tpath" || mkpath "$tpath";
3025
3026     # This is ugly, but I've no time to take a look at "how it works in perl"
3027     if(0 == system("wget '$url' -O '$dest' 2>/dev/null") ) {
3028         system("gunzip -cd '$dest' > '$dest.in'");
3029         daemon_log("$session_id DEBUG: run command: gunzip -cd '$dest' > '$dest.in'", 7);
3030         unlink($dest);
3031         daemon_log("$session_id DEBUG: delete file '$dest'", 7);
3032     } else {
3033         daemon_log("$session_id ERROR: create_packages_list_db: get_packages: fetching '$url' into '$dest' failed!", 1);
3034     }
3035     return 0;
3036 }
3037
3038
3039 sub parse_package {
3040     my ($path, $dist, $srv_path, $session_id)= @_;
3041     if (not defined $session_id) { $session_id = 0;}
3042     my ($package, $version, $section, $description);
3043     my $PACKAGES;
3044     my $timestamp = &get_time();
3045
3046     if(not stat("$path.in")) {
3047         daemon_log("$session_id ERROR: create_packages_list: parse_package: file '$path.in' is not readable",1);
3048         return;
3049     }
3050
3051     open($PACKAGES, "<$path.in");
3052     if(not defined($PACKAGES)) {
3053         daemon_log("$session_id ERROR: create_packages_list_db: parse_package: cannot open '$path.in'",1);
3054         return;
3055     }
3056
3057     # Read lines
3058     while (<$PACKAGES>){
3059         my $line = $_;
3060         # Unify
3061         chop($line);
3062
3063         # Use empty lines as a trigger
3064         if ($line =~ /^\s*$/){
3065             my $sql = "INSERT INTO packages_list VALUES ('$dist', '$package', '$version', '$section', '$description', '', '$timestamp')";
3066             push(@packages_list_statements, $sql);
3067             $package = "none";
3068             $version = "none";
3069             $section = "none";
3070             $description = "none";
3071             next;
3072         }
3073
3074         # Trigger for package name
3075         if ($line =~ /^Package:\s/){
3076             ($package)= ($line =~ /^Package: (.*)$/);
3077             next;
3078         }
3079
3080         # Trigger for version
3081         if ($line =~ /^Version:\s/){
3082             ($version)= ($line =~ /^Version: (.*)$/);
3083             next;
3084         }
3085
3086         # Trigger for description
3087         if ($line =~ /^Description:\s/){
3088             ($description)= &encode_base64(($line =~ /^Description: (.*)$/));
3089             next;
3090         }
3091
3092         # Trigger for section
3093         if ($line =~ /^Section:\s/){
3094             ($section)= ($line =~ /^Section: (.*)$/);
3095             next;
3096         }
3097
3098         # Trigger for filename
3099         if ($line =~ /^Filename:\s/){
3100             my ($filename) = ($line =~ /^Filename: (.*)$/);
3101             store_fileinfo( $package, $filename, $dist, $srv_path, $version, $repo_path );
3102             next;
3103         }
3104     }
3105
3106     close( $PACKAGES );
3107     unlink( "$path.in" );
3108 }
3109
3110
3111 sub store_fileinfo {
3112     my( $package, $file, $dist, $path, $vers, $srvdir) = @_;
3113
3114     my %fileinfo = (
3115         'package' => $package,
3116         'dist' => $dist,
3117         'version' => $vers,
3118     );
3119
3120     $repo_files{ "${srvdir}/$file" } = \%fileinfo;
3121 }
3122
3123
3124 sub cleanup_and_extract {
3125         my $fileinfo = $repo_files{ $File::Find::name };
3126
3127         if( defined $fileinfo ) {
3128                 my $dir = "$outdir/$fileinfo->{ 'dist' }/debconf.d";
3129                 my $sql;
3130                 my $package = $fileinfo->{ 'package' };
3131                 my $newver = $fileinfo->{ 'version' };
3132
3133                 mkpath($dir);
3134                 system( "dpkg -e '$File::Find::name' '$dir/DEBIAN'" );
3135
3136                 if( -f "$dir/DEBIAN/templates" ) {
3137
3138                         daemon_log("0 DEBUG: Found debconf templates in '$package' - $newver", 7);
3139
3140                         my $tmpl= ""; {
3141                                 local $/=undef;
3142                                 open FILE, "$dir/DEBIAN/templates";
3143                                 $tmpl = &encode_base64(<FILE>);
3144                                 close FILE;
3145                         }
3146                         rmtree("$dir/DEBIAN/templates");
3147
3148                         $sql= "update $main::packages_list_tn set template = '$tmpl' where package = '$package' and version = '$newver';";
3149                         push @packages_list_statements, $sql;
3150                 }
3151         }
3152
3153         return;
3154 }
3155
3156
3157 sub register_at_foreign_servers {
3158     my ($kernel) = $_[KERNEL];
3159
3160         # Update status and update-time of all si-server with expired update_time and
3161         # block them for race conditional registration processes of other si-servers.
3162         my $act_time = &get_time();
3163         my $block_statement = "UPDATE $known_server_tn SET status='new_server',update_time='19700101000000' WHERE (CAST(update_time AS UNSIGNED))<$act_time ";
3164         &daemon_log("0 DEBUG: $block_statement", 7);
3165         my $block_res = $known_server_db->exec_statement($block_statement);
3166
3167         # Fetch all si-server from db where update_time is younger than act_time
3168         my $fetch_statement = "SELECT * FROM $known_server_tn WHERE update_time='19700101000000'";
3169         &daemon_log("0 DEBUG: $fetch_statement", 7);
3170         my $fetch_res = $known_server_db->exec_statement($fetch_statement);
3171
3172     # Detect already connected clients. Will be added to registration msg later.
3173     my $client_sql = "SELECT * FROM $known_clients_tn";
3174     my $client_res = $known_clients_db->exec_statement($client_sql);
3175
3176         # Send registration messag to all fetched si-server
3177     foreach my $hit (@$fetch_res) {
3178         my $hostname = @$hit[0];
3179         my $hostkey = &create_passwd;
3180
3181         # Add already connected clients to registration message
3182         my $myhash = &create_xml_hash('new_server', $server_address, $hostname);
3183         &add_content2xml_hash($myhash, 'key', $hostkey);
3184         map(&add_content2xml_hash($myhash, 'client', @{$_}[0].",".@{$_}[4]), @$client_res);
3185
3186         # Add locally loaded gosa-si modules to registration message
3187         my $loaded_modules = {};
3188         while (my ($package, $pck_info) = each %$known_modules) {
3189                         next if ((!defined(@$pck_info[2])) || (!(ref (@$pck_info[2]) eq 'HASH')));
3190                         foreach my $act_module (keys(%{@$pck_info[2]})) {
3191                                 $loaded_modules->{$act_module} = "";
3192                         }
3193                 }
3194         map(&add_content2xml_hash($myhash, "loaded_modules", $_), keys(%$loaded_modules));
3195
3196         # Add macaddress to registration message
3197         my ($host_ip, $host_port) = split(/:/, $hostname);
3198         my $local_ip = &get_local_ip_for_remote_ip($host_ip);
3199         my $network_interface= &get_interface_for_ip($local_ip);
3200         my $host_mac = &get_mac_for_interface($network_interface);
3201         &add_content2xml_hash($myhash, 'macaddress', $host_mac);
3202
3203         # Build registration message and send it
3204         my $foreign_server_msg = &create_xml_string($myhash);
3205         my $error = &send_msg_to_target($foreign_server_msg, $hostname, $ServerPackages_key, "new_server", 0);
3206     }
3207
3208
3209         # After n sec perform a check of all server registration processes
3210     $kernel->delay_set("control_server_registration", 2);
3211
3212         return;
3213 }
3214
3215
3216 sub control_server_registration {
3217         my ($kernel) = $_[KERNEL];
3218
3219         # Check if all registration processes succeed or not
3220         my $select_statement = "SELECT * FROM $known_server_tn WHERE status='new_server'";
3221         &daemon_log("0 DEBUG $select_statement", 7);
3222         my $select_res = $known_server_db->exec_statement($select_statement);
3223
3224         # If at least one registration process failed, maybe in case of a race condition
3225         # with a foreign registration process
3226         if (@$select_res > 0)
3227         {
3228                 # Release block statement 'new_server' to make the server accessible
3229                 # for foreign registration processes
3230                 my $update_statement = "UPDATE $known_server_tn SET status='waiting' WHERE status='new_server'";
3231                 &daemon_log("0 DEBUG: $update_statement", 7);
3232                 my $update_res = $known_server_db->exec_statement($update_statement);
3233
3234                 # Set a random delay to avoid the registration race condition
3235                 my $new_foreign_servers_register_delay = int(rand(4))+1;
3236                 $kernel->delay_set("register_at_foreign_servers", $new_foreign_servers_register_delay);
3237         }
3238         # If all registration processes succeed
3239         else
3240         {
3241                 $kernel->delay_set("register_at_foreign_servers", $foreign_servers_register_delay);
3242         }
3243
3244         return;
3245 }
3246
3247
3248 #==== MAIN = main ==============================================================
3249 #  parse commandline options
3250 Getopt::Long::Configure( "bundling" );
3251 GetOptions("h|help" => \&usage,
3252         "c|config=s" => \$cfg_file,
3253         "f|foreground" => \$foreground,
3254         "v|verbose+" => \$verbose,
3255         "no-arp+" => \$no_arp,
3256            );
3257
3258 #  read and set config parameters
3259 &check_cmdline_param ;
3260 &read_configfile($cfg_file, %cfg_defaults);
3261 &check_pid;
3262
3263 $SIG{CHLD} = 'IGNORE';
3264
3265 # forward error messages to logfile
3266 if( ! $foreground ) {
3267   open( STDIN,  '+>/dev/null' );
3268   open( STDOUT, '+>&STDIN'    );
3269   open( STDERR, '+>&STDIN'    );
3270 }
3271
3272 # Just fork, if we are not in foreground mode
3273 if( ! $foreground ) {
3274     chdir '/'                 or die "Can't chdir to /: $!";
3275     $pid = fork;
3276     setsid                    or die "Can't start a new session: $!";
3277     umask 0;
3278 } else {
3279     $pid = $$;
3280 }
3281
3282 # Do something useful - put our PID into the pid_file
3283 if( 0 != $pid ) {
3284     open( LOCK_FILE, ">$pid_file" );
3285     print LOCK_FILE "$pid\n";
3286     close( LOCK_FILE );
3287     if( !$foreground ) {
3288         exit( 0 )
3289     };
3290 }
3291
3292 # parse head url and revision from svn
3293 my $server_status_hash = { 'developmental'=>'revision', 'stable'=>'release'};
3294 $server_version =~ /^\$HeadURL: (\S+) \$:\$Rev: (\d+) \$$/;
3295 $server_headURL = defined $1 ? $1 : 'unknown' ;
3296 $server_revision = defined $2 ? $2 : 'unknown' ;
3297 if ($server_headURL =~ /\/tag\// ||
3298         $server_headURL =~ /\/branches\// ) {
3299     $server_status = "stable";
3300 } else {
3301     $server_status = "developmental" ;
3302 }
3303 # Prepare log file and set permissions
3304 $root_uid = getpwnam('root');
3305 $adm_gid = getgrnam('adm');
3306 open(FH, ">>$log_file");
3307 close FH;
3308 chmod(0440, $log_file);
3309 chown($root_uid, $adm_gid, $log_file);
3310 chown($root_uid, $adm_gid, "/var/lib/gosa-si");
3311
3312 daemon_log(" ", 1);
3313 daemon_log("$0 started!", 1);
3314 daemon_log("status: $server_status", 1);
3315 daemon_log($server_status_hash->{$server_status}.": $server_revision", 1);
3316
3317 # Buildup data bases
3318 {
3319     no strict "refs";
3320
3321     if ($db_module eq "DBmysql") {
3322         # connect to incoming_db
3323         $incoming_db = ("GOSA::".$db_module)->new($main::mysql_database, $main::mysql_host, $main::mysql_username, $main::mysql_password);
3324
3325         # connect to gosa-si job queue
3326         $job_db = ("GOSA::".$db_module)->new($main::mysql_database, $main::mysql_host, $main::mysql_username, $main::mysql_password);
3327
3328         # connect to known_clients_db
3329         $known_clients_db = ("GOSA::".$db_module)->new($main::mysql_database, $main::mysql_host, $main::mysql_username, $main::mysql_password);
3330
3331         # connect to foreign_clients_db
3332         $foreign_clients_db = ("GOSA::".$db_module)->new($main::mysql_database, $main::mysql_host, $main::mysql_username, $main::mysql_password);
3333
3334         # connect to known_server_db
3335         $known_server_db = ("GOSA::".$db_module)->new($main::mysql_database, $main::mysql_host, $main::mysql_username, $main::mysql_password);
3336
3337         # connect to login_usr_db
3338         $login_users_db = ("GOSA::".$db_module)->new($main::mysql_database, $main::mysql_host, $main::mysql_username, $main::mysql_password);
3339
3340         # connect to fai_server_db
3341         $fai_server_db = ("GOSA::".$db_module)->new($main::mysql_database, $main::mysql_host, $main::mysql_username, $main::mysql_password);
3342
3343         # connect to fai_release_db
3344         $fai_release_db = ("GOSA::".$db_module)->new($main::mysql_database, $main::mysql_host, $main::mysql_username, $main::mysql_password);
3345
3346         # connect to packages_list_db
3347         $packages_list_db = ("GOSA::".$db_module)->new($main::mysql_database, $main::mysql_host, $main::mysql_username, $main::mysql_password);
3348
3349         # connect to messaging_db
3350         $messaging_db = ("GOSA::".$db_module)->new($main::mysql_database, $main::mysql_host, $main::mysql_username, $main::mysql_password);
3351
3352     } elsif ($db_module eq "DBsqlite") {
3353         # connect to incoming_db
3354         unlink($incoming_file_name);
3355         $incoming_db = GOSA::DBsqlite->new($incoming_file_name);
3356         chmod(0640, $incoming_file_name);
3357         chown($root_uid, $adm_gid, $incoming_file_name);
3358
3359         # connect to gosa-si job queue
3360         $job_db = GOSA::DBsqlite->new($job_queue_file_name);
3361         chmod(0640, $job_queue_file_name);
3362         chown($root_uid, $adm_gid, $job_queue_file_name);
3363
3364         # connect to known_clients_db
3365         unlink($known_clients_file_name);
3366         $known_clients_db = GOSA::DBsqlite->new($known_clients_file_name);
3367         chmod(0640, $known_clients_file_name);
3368         chown($root_uid, $adm_gid, $known_clients_file_name);
3369
3370         # connect to foreign_clients_db
3371         unlink($foreign_clients_file_name);
3372         $foreign_clients_db = GOSA::DBsqlite->new($foreign_clients_file_name);
3373         chmod(0640, $foreign_clients_file_name);
3374         chown($root_uid, $adm_gid, $foreign_clients_file_name);
3375
3376         # connect to known_server_db
3377         unlink($known_server_file_name);
3378         $known_server_db = GOSA::DBsqlite->new($known_server_file_name);
3379         chmod(0640, $known_server_file_name);
3380         chown($root_uid, $adm_gid, $known_server_file_name);
3381
3382         # connect to login_usr_db
3383         unlink($login_users_file_name);
3384         $login_users_db = GOSA::DBsqlite->new($login_users_file_name);
3385         chmod(0640, $login_users_file_name);
3386         chown($root_uid, $adm_gid, $login_users_file_name);
3387
3388         # connect to fai_server_db
3389         unlink($fai_server_file_name);
3390         $fai_server_db = GOSA::DBsqlite->new($fai_server_file_name);
3391         chmod(0640, $fai_server_file_name);
3392         chown($root_uid, $adm_gid, $fai_server_file_name);
3393
3394         # connect to fai_release_db
3395         unlink($fai_release_file_name);
3396         $fai_release_db = GOSA::DBsqlite->new($fai_release_file_name);
3397         chmod(0640, $fai_release_file_name);
3398         chown($root_uid, $adm_gid, $fai_release_file_name);
3399
3400         # connect to packages_list_db
3401         unlink($packages_list_under_construction);
3402         $packages_list_db = GOSA::DBsqlite->new($packages_list_file_name);
3403         chmod(0640, $packages_list_file_name);
3404         chown($root_uid, $adm_gid, $packages_list_file_name);
3405
3406         # connect to messaging_db
3407         unlink($messaging_file_name);
3408         $messaging_db = GOSA::DBsqlite->new($messaging_file_name);
3409         chmod(0640, $messaging_file_name);
3410         chown($root_uid, $adm_gid, $messaging_file_name);
3411     }
3412 }
3413
3414
3415 # Creating tables
3416 $messaging_db->create_table($messaging_tn, \@messaging_col_names);
3417 $packages_list_db->create_table($packages_list_tn, \@packages_list_col_names);
3418 $fai_release_db->create_table($fai_release_tn, \@fai_release_col_names);
3419 $fai_server_db->create_table($fai_server_tn, \@fai_server_col_names);
3420 $login_users_db->create_table($login_users_tn, \@login_users_col_names);
3421 $known_server_db->create_table($known_server_tn, \@known_server_col_names);
3422 $foreign_clients_db->create_table($foreign_clients_tn, \@foreign_clients_col_names);
3423 $known_clients_db->create_table($known_clients_tn, \@known_clients_col_names);
3424 $incoming_db->create_table($incoming_tn, \@incoming_col_names);
3425 $job_db->create_table($job_queue_tn, \@job_queue_col_names);
3426
3427 # create xml object used for en/decrypting
3428 $xml = new XML::Simple();
3429
3430
3431 # foreign servers
3432 my @foreign_server_list;
3433
3434 # add foreign server from cfg file
3435 if ($foreign_server_string ne "") {
3436     my @cfg_foreign_server_list = split(",", $foreign_server_string);
3437     foreach my $foreign_server (@cfg_foreign_server_list) {
3438         push(@foreign_server_list, $foreign_server);
3439     }
3440
3441     daemon_log("0 INFO: found foreign server in config file: ".join(", ", @foreign_server_list), 5);
3442 }
3443
3444 # Perform a DNS lookup for server registration if flag is true
3445 if ($dns_lookup eq "true") {
3446     # Add foreign server from dns
3447     my @tmp_servers;
3448     if (not $server_domain) {
3449         # Try our DNS Searchlist
3450         for my $domain(get_dns_domains()) {
3451             chomp($domain);
3452             my ($tmp_domains, $error_string) = &get_server_addresses($domain);
3453             if(@$tmp_domains) {
3454                 for my $tmp_server(@$tmp_domains) {
3455                     push @tmp_servers, $tmp_server;
3456                 }
3457             }
3458         }
3459         if(@tmp_servers && length(@tmp_servers)==0) {
3460             daemon_log("0 WARNING: no foreign gosa-si-server found in DNS for domain '$server_domain'", 3);
3461         }
3462     } else {
3463         @tmp_servers = &get_server_addresses($server_domain);
3464         if( 0 == @tmp_servers ) {
3465             daemon_log("0 WARNING: no foreign gosa-si-server found in DNS for domain '$server_domain'", 3);
3466         }
3467     }
3468
3469     daemon_log("0 INFO: found foreign server via DNS ".join(", ", @tmp_servers), 5);
3470
3471     foreach my $server (@tmp_servers) {
3472         unshift(@foreign_server_list, $server);
3473     }
3474 } else {
3475     daemon_log("0 INFO: DNS lookup for server registration is disabled", 5);
3476 }
3477
3478
3479 # eliminate duplicate entries
3480 @foreign_server_list = &del_doubles(@foreign_server_list);
3481 my $all_foreign_server = join(", ", @foreign_server_list);
3482 daemon_log("0 INFO: found foreign server in config file and DNS: '$all_foreign_server'", 5);
3483
3484 # add all found foreign servers to known_server
3485 my $cur_timestamp = &get_time();
3486 foreach my $foreign_server (@foreign_server_list) {
3487
3488         # do not add myself to known_server_db
3489         if (&is_local($foreign_server)) { next; }
3490         ######################################
3491
3492     my $res = $known_server_db->add_dbentry( {table=>$known_server_tn,
3493             primkey=>['hostname'],
3494             hostname=>$foreign_server,
3495             macaddress=>"",
3496             status=>'not_yet_registered',
3497             hostkey=>"none",
3498             loaded_modules => "none",
3499             timestamp=>$cur_timestamp,
3500                         update_time=>'19700101000000',
3501             } );
3502 }
3503
3504
3505 # Import all modules
3506 &import_modules;
3507
3508 # Check wether all modules are gosa-si valid passwd check
3509 &password_check;
3510
3511 # Prepare for using Opsi
3512 if ($opsi_enabled eq "true") {
3513     use JSON::RPC::Client;
3514     use XML::Quote qw(:all);
3515     $opsi_url= "https://".$opsi_admin.":".$opsi_password."@".$opsi_server.":4447/rpc";
3516     $opsi_client = new JSON::RPC::Client;
3517 }
3518
3519
3520 POE::Component::Server::TCP->new(
3521         Alias => "TCP_SERVER",
3522         Port => $server_port,
3523         ClientInput => sub {
3524                 my ($kernel, $input, $heap, $session) = @_[KERNEL, ARG0, HEAP, SESSION];
3525         my $session_id = $session->ID;
3526         my $remote_ip = $heap->{'remote_ip'};
3527                 push(@msgs_to_decrypt, $input);
3528         &daemon_log("$session_id DEBUG: incoming message from '$remote_ip'", 7);
3529                 $kernel->yield("msg_to_decrypt");
3530         },
3531         InlineStates => {
3532                 msg_to_decrypt => \&msg_to_decrypt,
3533                 next_task => \&next_task,
3534                 task_result => \&handle_task_result,
3535                 task_done   => \&handle_task_done,
3536                 task_debug  => \&handle_task_debug,
3537                 child_reap => sub { "Do nothing special. I'm just a comment, but i'm necessary!"  },
3538         }
3539 );
3540
3541 daemon_log("0 INFO: start socket for incoming xml messages at port '$server_port' ", 1);
3542
3543 # create session for repeatedly checking the job queue for jobs
3544 POE::Session->create(
3545         inline_states => {
3546                 _start => \&session_start,
3547         register_at_foreign_servers => \&register_at_foreign_servers,
3548                 control_server_registration => \&control_server_registration,
3549         sig_handler => \&sig_handler,
3550         next_task => \&next_task,
3551         task_result => \&handle_task_result,
3552         task_done   => \&handle_task_done,
3553         task_debug  => \&handle_task_debug,
3554         watch_for_next_tasks => \&watch_for_next_tasks,
3555         watch_for_new_messages => \&watch_for_new_messages,
3556         watch_for_delivery_messages => \&watch_for_delivery_messages,
3557         watch_for_done_messages => \&watch_for_done_messages,
3558                 watch_for_new_jobs => \&watch_for_new_jobs,
3559         watch_for_modified_jobs => \&watch_for_modified_jobs,
3560         watch_for_done_jobs => \&watch_for_done_jobs,
3561         watch_for_opsi_jobs => \&watch_for_opsi_jobs,
3562         watch_for_old_known_clients => \&watch_for_old_known_clients,
3563         create_packages_list_db => \&run_create_packages_list_db,
3564         create_fai_server_db => \&run_create_fai_server_db,
3565         create_fai_release_db => \&run_create_fai_release_db,
3566                 recreate_packages_db => \&run_recreate_packages_db,
3567         session_run_result => \&session_run_result,
3568         session_run_debug => \&session_run_debug,
3569         session_run_done => \&session_run_done,
3570         child_reap => sub { "Do nothing special. I'm just a comment, but i'm necessary!"  },
3571         }
3572 );
3573
3574
3575 POE::Kernel->run();
3576 exit;
3577