gosa-si/gosa-si-server

   1 #!/usr/bin/perl
   2 #===============================================================================
   3 #
   4 #         FILE:  gosa-sd
   5 #
   6 #        USAGE:  ./gosa-sd
   7 #
   8 #  DESCRIPTION:
   9 #
  10 #      OPTIONS:  ---
  11 # REQUIREMENTS:  libconfig-inifiles-perl libcrypt-rijndael-perl libxml-simple-perl
  12 #                libdata-dumper-simple-perl libdbd-sqlite3-perl libnet-ldap-perl
  13 #                libpoe-perl
  14 #         BUGS:  ---
  15 #        NOTES:
  16 #       AUTHOR:   (Andreas Rettenberger), <rettenberger@gonicus.de>
  17 #      COMPANY:
  18 #      VERSION:  1.0
  19 #      CREATED:  12.09.2007 08:54:41 CEST
  20 #     REVISION:  ---
  21 #===============================================================================
  22
  23
  24 # TODO
  25 #
  26 # max_children wird momentan nicht mehr verwendet, jede eingehende nachricht bekommt ein eigenes POE child
  27
  28 use strict;
  29 use warnings;
  30 use Getopt::Long;
  31 use Config::IniFiles;
  32 use POSIX;
  33
  34 use Fcntl;
  35 use IO::Socket::INET;
  36 use IO::Handle;
  37 use IO::Select;
  38 use Symbol qw(qualify_to_ref);
  39 use Crypt::Rijndael;
  40 use MIME::Base64;
  41 use Digest::MD5  qw(md5 md5_hex md5_base64);
  42 use XML::Simple;
  43 use Data::Dumper;
  44 use Sys::Syslog qw( :DEFAULT setlogsock);
  45 use Cwd;
  46 use File::Spec;
  47 use File::Basename;
  48 use File::Find;
  49 use File::Copy;
  50 use File::Path;
  51 use GOSA::DBsqlite;
  52 use GOSA::GosaSupportDaemon;
  53 use POE qw(Component::Server::TCP Wheel::Run Filter::Reference);
  54 use Net::LDAP;
  55 use Net::LDAP::Util qw(:escape);
  56 use Time::HiRes qw( usleep);
  57 use DateTime;
  58
  59 my $modules_path = "/usr/lib/gosa-si/modules";
  60 use lib "/usr/lib/gosa-si/modules";
  61
  62 # revision number of server and program name
  63 my $server_version = '$HeadURL: https://oss.gonicus.de/repositories/gosa/trunk/gosa-si/gosa-si-server $:$Rev: 10826 $';
  64 my $server_headURL;
  65 my $server_revision;
  66 my $server_status;
  67 our $prg= basename($0);
  68
  69 our $global_kernel;
  70 my ($foreground, $ping_timeout);
  71 my ($server);
  72 my ($gosa_server, $job_queue_timeout, $job_queue_loop_delay);
  73 my ($messaging_db_loop_delay);
  74 my ($known_modules);
  75 my ($procid, $pid);
  76 my ($arp_fifo);
  77 my ($xml);
  78 my $sources_list;
  79 my $max_clients;
  80 my %repo_files=();
  81 my $repo_path;
  82 my %repo_dirs=();
  83 # variables declared in config file are always set to 'our'
  84 our (%cfg_defaults, $log_file, $pid_file,
  85     $server_ip, $server_port, $ClientPackages_key,
  86     $arp_activ, $gosa_unit_tag,
  87     $GosaPackages_key, $gosa_timeout,
  88     $foreign_server_string, $server_domain, $ServerPackages_key, $foreign_servers_register_delay,
  89     $wake_on_lan_passwd, $job_synchronization, $modified_jobs_loop_delay,
  90     $arp_enabled, $arp_interface,
  91     $opsi_enabled, $opsi_server, $opsi_admin, $opsi_password,
  92 );
  93
  94 # additional variable which should be globaly accessable
  95 our $server_address;
  96 our $server_mac_address;
  97 our $gosa_address;
  98 our $no_arp;
  99 our $verbose;
 100 our $forground;
 101 our $cfg_file;
 102 our ($ldap_uri, $ldap_base, $ldap_admin_dn, $ldap_admin_password, $ldap_server_dn);
 103
 104 # specifies the verbosity of the daemon_log
 105 $verbose = 0 ;
 106
 107 # if foreground is not null, script will be not forked to background
 108 $foreground = 0 ;
 109
 110 # specifies the timeout seconds while checking the online status of a registrating client
 111 $ping_timeout = 5;
 112
 113 $no_arp = 0;
 114 my $packages_list_under_construction = "/tmp/packages_list_creation_in_progress";
 115 my @packages_list_statements;
 116 my $watch_for_new_jobs_in_progress = 0;
 117
 118 # holds all incoming decrypted messages
 119 our $incoming_db;
 120 our $incoming_tn = 'incoming';
 121 my $incoming_file_name;
 122 my @incoming_col_names = ("id INTEGER PRIMARY KEY",
 123         "timestamp DEFAULT 'none'",
 124         "headertag DEFAULT 'none'",
 125                 "targettag DEFAULT 'none'",
 126         "xmlmessage DEFAULT 'none'",
 127         "module DEFAULT 'none'",
 128         "sessionid DEFAULT '0'",
 129         );
 130
 131 # holds all gosa jobs
 132 our $job_db;
 133 our $job_queue_tn = 'jobs';
 134 my $job_queue_file_name;
 135 my @job_queue_col_names = ("id INTEGER PRIMARY KEY",
 136                 "timestamp DEFAULT 'none'",
 137                 "status DEFAULT 'none'",
 138                 "result DEFAULT 'none'",
 139                 "progress DEFAULT 'none'",
 140         "headertag DEFAULT 'none'",
 141                 "targettag DEFAULT 'none'",
 142                 "xmlmessage DEFAULT 'none'",
 143                 "macaddress DEFAULT 'none'",
 144                 "plainname DEFAULT 'none'",
 145         "siserver DEFAULT 'none'",
 146         "modified DEFAULT '0'",
 147                 );
 148
 149 # holds all other gosa-si-server
 150 our $known_server_db;
 151 our $known_server_tn = "known_server";
 152 my $known_server_file_name;
 153 my @known_server_col_names = ("hostname", "status", "hostkey", "timestamp");
 154
 155 # holds all registrated clients
 156 our $known_clients_db;
 157 our $known_clients_tn = "known_clients";
 158 my $known_clients_file_name;
 159 my @known_clients_col_names = ("hostname", "status", "hostkey", "timestamp", "macaddress", "events", "keylifetime");
 160
 161 # holds all registered clients at a foreign server
 162 our $foreign_clients_db;
 163 our $foreign_clients_tn = "foreign_clients";
 164 my $foreign_clients_file_name;
 165 my @foreign_clients_col_names = ("hostname", "macaddress", "regserver", "timestamp");
 166
 167 # holds all logged in user at each client
 168 our $login_users_db;
 169 our $login_users_tn = "login_users";
 170 my $login_users_file_name;
 171 my @login_users_col_names = ("client", "user", "timestamp");
 172
 173 # holds all fai server, the debian release and tag
 174 our $fai_server_db;
 175 our $fai_server_tn = "fai_server";
 176 my $fai_server_file_name;
 177 our @fai_server_col_names = ("timestamp", "server", "release", "sections", "tag");
 178
 179 our $fai_release_db;
 180 our $fai_release_tn = "fai_release";
 181 my $fai_release_file_name;
 182 our @fai_release_col_names = ("timestamp", "release", "class", "type", "state");
 183
 184 # holds all packages available from different repositories
 185 our $packages_list_db;
 186 our $packages_list_tn = "packages_list";
 187 my $packages_list_file_name;
 188 our @packages_list_col_names = ("distribution", "package", "version", "section", "description", "template", "timestamp");
 189 my $outdir = "/tmp/packages_list_db";
 190 my $arch = "i386";
 191
 192 # holds all messages which should be delivered to a user
 193 our $messaging_db;
 194 our $messaging_tn = "messaging";
 195 our @messaging_col_names = ("id INTEGER", "subject", "message_from", "message_to",
 196         "flag", "direction", "delivery_time", "message", "timestamp" );
 197 my $messaging_file_name;
 198
 199 # path to directory to store client install log files
 200 our $client_fai_log_dir = "/var/log/fai";
 201
 202 # queue which stores taskes until one of the $max_children children are ready to process the task
 203 my @tasks = qw();
 204 my @msgs_to_decrypt = qw();
 205 my $max_children = 2;
 206
 207
 208 # loop delay for job queue to look for opsi jobs
 209 my $job_queue_opsi_delay = 10;
 210 our $opsi_client;
 211 our $opsi_url;
 212
 213
 214
 215 %cfg_defaults = (
 216 "general" => {
 217     "log-file" => [\$log_file, "/var/run/".$prg.".log"],
 218     "pid-file" => [\$pid_file, "/var/run/".$prg.".pid"],
 219     },
 220 "server" => {
 221     "ip" => [\$server_ip, "0.0.0.0"],
 222     "port" => [\$server_port, "20081"],
 223     "known-clients"        => [\$known_clients_file_name, '/var/lib/gosa-si/clients.db' ],
 224     "known-servers"        => [\$known_server_file_name, '/var/lib/gosa-si/servers.db'],
 225     "incoming"             => [\$incoming_file_name, '/var/lib/gosa-si/incoming.db'],
 226     "login-users"          => [\$login_users_file_name, '/var/lib/gosa-si/users.db'],
 227     "fai-server"           => [\$fai_server_file_name, '/var/lib/gosa-si/fai_server.db'],
 228     "fai-release"          => [\$fai_release_file_name, '/var/lib/gosa-si/fai_release.db'],
 229     "packages-list"        => [\$packages_list_file_name, '/var/lib/gosa-si/packages.db'],
 230     "messaging"            => [\$messaging_file_name, '/var/lib/gosa-si/messaging.db'],
 231     "foreign-clients"      => [\$foreign_clients_file_name, '/var/lib/gosa-si/foreign_clients.db'],
 232     "source-list"          => [\$sources_list, '/etc/apt/sources.list'],
 233     "repo-path"            => [\$repo_path, '/srv/www/repository'],
 234     "ldap-uri"             => [\$ldap_uri, ""],
 235     "ldap-base"            => [\$ldap_base, ""],
 236     "ldap-admin-dn"        => [\$ldap_admin_dn, ""],
 237     "ldap-admin-password"  => [\$ldap_admin_password, ""],
 238     "gosa-unit-tag"        => [\$gosa_unit_tag, ""],
 239     "max-clients"          => [\$max_clients, 10],
 240     "wol-password"           => [\$wake_on_lan_passwd, ""],
 241     },
 242 "GOsaPackages" => {
 243     "job-queue" => [\$job_queue_file_name, '/var/lib/gosa-si/jobs.db'],
 244     "job-queue-loop-delay" => [\$job_queue_loop_delay, 3],
 245     "messaging-db-loop-delay" => [\$messaging_db_loop_delay, 3],
 246     "key" => [\$GosaPackages_key, "none"],
 247     },
 248 "ClientPackages" => {
 249     "key" => [\$ClientPackages_key, "none"],
 250     },
 251 "ServerPackages"=> {
 252     "address"      => [\$foreign_server_string, ""],
 253     "domain"  => [\$server_domain, ""],
 254     "key"     => [\$ServerPackages_key, "none"],
 255     "key-lifetime" => [\$foreign_servers_register_delay, 120],
 256     "job-synchronization-enabled" => [\$job_synchronization, "true"],
 257     "synchronization-loop" => [\$modified_jobs_loop_delay, 5],
 258     },
 259 "ArpHandler" => {
 260     "enabled"   => [\$arp_enabled, "true"],
 261     "interface" => [\$arp_interface, "all"],
 262         },
 263 "Opsi" => {
 264     "enabled"  => [\$opsi_enabled, "false"],
 265     "server"   => [\$opsi_server, "localhost"],
 266     "admin"    => [\$opsi_admin, "opsi-admin"],
 267     "password" => [\$opsi_password, "secret"],
 268    },
 269
 270 );
 271
 272
 273 #===  FUNCTION  ================================================================
 274 #         NAME:  usage
 275 #   PARAMETERS:  nothing
 276 #      RETURNS:  nothing
 277 #  DESCRIPTION:  print out usage text to STDERR
 278 #===============================================================================
 279 sub usage {
 280     print STDERR << "EOF" ;
 281 usage: $prg [-hvf] [-c config]
 282
 283            -h        : this (help) message
 284            -c <file> : config file
 285            -f        : foreground, process will not be forked to background
 286            -v        : be verbose (multiple to increase verbosity)
 287            -no-arp   : starts $prg without connection to arp module
 288
 289 EOF
 290     print "\n" ;
 291 }
 292
 293
 294 #===  FUNCTION  ================================================================
 295 #         NAME:  logging
 296 #   PARAMETERS:  level - string - default 'info'
 297 #                msg - string -
 298 #                facility - string - default 'LOG_DAEMON'
 299 #      RETURNS:  nothing
 300 #  DESCRIPTION:  function for logging
 301 #===============================================================================
 302 sub daemon_log {
 303     # log into log_file
 304     my( $msg, $level ) = @_;
 305     if(not defined $msg) { return }
 306     if(not defined $level) { $level = 1 }
 307     if(defined $log_file){
 308         open(LOG_HANDLE, ">>$log_file");
 309         chmod 0600, $log_file;
 310         if(not defined open( LOG_HANDLE, ">>$log_file" )) {
 311             print STDERR "cannot open $log_file: $!";
 312             return
 313         }
 314         chomp($msg);
 315         #$msg =~s/\n//g;   # no newlines are allowed in log messages, this is important for later log parsing
 316         if($level <= $verbose){
 317             my ($seconds, $minutes, $hours, $monthday, $month,
 318                     $year, $weekday, $yearday, $sommertime) = localtime(time);
 319             $hours = $hours < 10 ? $hours = "0".$hours : $hours;
 320             $minutes = $minutes < 10 ? $minutes = "0".$minutes : $minutes;
 321             $seconds = $seconds < 10 ? $seconds = "0".$seconds : $seconds;
 322             my @monthnames = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
 323             $month = $monthnames[$month];
 324             $monthday = $monthday < 10 ? $monthday = "0".$monthday : $monthday;
 325             $year+=1900;
 326             my $name = $prg;
 327
 328             my $log_msg = "$month $monthday $hours:$minutes:$seconds $name $msg\n";
 329             print LOG_HANDLE $log_msg;
 330             if( $foreground ) {
 331                 print STDERR $log_msg;
 332             }
 333         }
 334         close( LOG_HANDLE );
 335     }
 336 }
 337
 338
 339 #===  FUNCTION  ================================================================
 340 #         NAME:  check_cmdline_param
 341 #   PARAMETERS:  nothing
 342 #      RETURNS:  nothing
 343 #  DESCRIPTION:  validates commandline parameter
 344 #===============================================================================
 345 sub check_cmdline_param () {
 346     my $err_config;
 347     my $err_counter = 0;
 348         if(not defined($cfg_file)) {
 349                 $cfg_file = "/etc/gosa-si/server.conf";
 350                 if(! -r $cfg_file) {
 351                         $err_config = "please specify a config file";
 352                         $err_counter += 1;
 353                 }
 354     }
 355     if( $err_counter > 0 ) {
 356         &usage( "", 1 );
 357         if( defined( $err_config)) { print STDERR "$err_config\n"}
 358         print STDERR "\n";
 359         exit( -1 );
 360     }
 361 }
 362
 363
 364 #===  FUNCTION  ================================================================
 365 #         NAME:  check_pid
 366 #   PARAMETERS:  nothing
 367 #      RETURNS:  nothing
 368 #  DESCRIPTION:  handels pid processing
 369 #===============================================================================
 370 sub check_pid {
 371     $pid = -1;
 372     # Check, if we are already running
 373     if( open(LOCK_FILE, "<$pid_file") ) {
 374         $pid = <LOCK_FILE>;
 375         if( defined $pid ) {
 376             chomp( $pid );
 377             if( -f "/proc/$pid/stat" ) {
 378                 my($stat) = `cat /proc/$pid/stat` =~ m/$pid \((.+)\).*/;
 379                 if( $stat ) {
 380                                         daemon_log("ERROR: Already running",1);
 381                     close( LOCK_FILE );
 382                     exit -1;
 383                 }
 384             }
 385         }
 386         close( LOCK_FILE );
 387         unlink( $pid_file );
 388     }
 389
 390     # create a syslog msg if it is not to possible to open PID file
 391     if (not sysopen(LOCK_FILE, $pid_file, O_WRONLY|O_CREAT|O_EXCL, 0644)) {
 392         my($msg) = "Couldn't obtain lockfile '$pid_file' ";
 393         if (open(LOCK_FILE, '<', $pid_file)
 394                 && ($pid = <LOCK_FILE>))
 395         {
 396             chomp($pid);
 397             $msg .= "(PID $pid)\n";
 398         } else {
 399             $msg .= "(unable to read PID)\n";
 400         }
 401         if( ! ($foreground) ) {
 402             openlog( $0, "cons,pid", "daemon" );
 403             syslog( "warning", $msg );
 404             closelog();
 405         }
 406         else {
 407             print( STDERR " $msg " );
 408         }
 409         exit( -1 );
 410     }
 411 }
 412
 413 #===  FUNCTION  ================================================================
 414 #         NAME:  import_modules
 415 #   PARAMETERS:  module_path - string - abs. path to the directory the modules
 416 #                are stored
 417 #      RETURNS:  nothing
 418 #  DESCRIPTION:  each file in module_path which ends with '.pm' and activation
 419 #                state is on is imported by "require 'file';"
 420 #===============================================================================
 421 sub import_modules {
 422     daemon_log(" ", 1);
 423
 424     if (not -e $modules_path) {
 425         daemon_log("0 ERROR: cannot find directory or directory is not readable: $modules_path", 1);
 426     }
 427
 428     opendir (DIR, $modules_path) or die "ERROR while loading modules from directory $modules_path : $!\n";
 429     while (defined (my $file = readdir (DIR))) {
 430         if (not $file =~ /(\S*?).pm$/) {
 431             next;
 432         }
 433                 my $mod_name = $1;
 434
 435         # ArpHandler switch
 436         if( $file =~ /ArpHandler.pm/ ) {
 437             if( $arp_enabled eq "false" ) { next; }
 438         }
 439
 440         eval { require $file; };
 441         if ($@) {
 442             daemon_log("0 ERROR: gosa-si-server could not load module $file", 1);
 443             daemon_log("$@", 5);
 444                 } else {
 445                         my $info = eval($mod_name.'::get_module_info()');
 446                         # Only load module if get_module_info() returns a non-null object
 447                         if( $info ) {
 448                                 my ($input_address, $input_key, $input, $input_active, $input_type) = @{$info};
 449                                 $known_modules->{$mod_name} = $info;
 450                                 daemon_log("0 INFO: module $mod_name loaded", 5);
 451                         }
 452                 }
 453     }
 454     close (DIR);
 455 }
 456
 457 #===  FUNCTION  ================================================================
 458 #         NAME:  password_check
 459 #   PARAMETERS:  nothing
 460 #      RETURNS:  nothing
 461 #  DESCRIPTION:  escalates an critical error if two modules exist which are avaialable by
 462 #                the same password
 463 #===============================================================================
 464 sub password_check {
 465     my $passwd_hash = {};
 466     while (my ($mod_name, $mod_info) = each %$known_modules) {
 467         my $mod_passwd = @$mod_info[1];
 468         if (not defined $mod_passwd) { next; }
 469         if (not exists $passwd_hash->{$mod_passwd}) {
 470             $passwd_hash->{$mod_passwd} = $mod_name;
 471
 472         # escalates critical error
 473         } else {
 474             &daemon_log("0 ERROR: two loaded modules do have the same password. Please modify the 'key'-parameter in config file");
 475             &daemon_log("0 ERROR: module='$mod_name' and module='".$passwd_hash->{$mod_passwd}."'");
 476             exit( -1 );
 477         }
 478     }
 479
 480 }
 481
 482
 483 #===  FUNCTION  ================================================================
 484 #         NAME:  sig_int_handler
 485 #   PARAMETERS:  signal - string - signal arose from system
 486 #      RETURNS:  nothing
 487 #  DESCRIPTION:  handels tasks to be done befor signal becomes active
 488 #===============================================================================
 489 sub sig_int_handler {
 490     my ($signal) = @_;
 491
 492 #       if (defined($ldap_handle)) {
 493 #               $ldap_handle->disconnect;
 494 #       }
 495     # TODO alle verbliebenden ldap verbindungen aus allen heaps beenden
 496
 497
 498     daemon_log("shutting down gosa-si-server", 1);
 499     system("kill `ps -C gosa-si-server -o pid=`");
 500 }
 501 $SIG{INT} = \&sig_int_handler;
 502
 503
 504 sub check_key_and_xml_validity {
 505     my ($crypted_msg, $module_key, $session_id) = @_;
 506     my $msg;
 507     my $msg_hash;
 508     my $error_string;
 509     eval{
 510         $msg = &decrypt_msg($crypted_msg, $module_key);
 511
 512         if ($msg =~ /<xml>/i){
 513             $msg =~ s/\s+/ /g;  # just for better daemon_log
 514             daemon_log("$session_id DEBUG: decrypted_msg: \n$msg", 8);
 515             $msg_hash = $xml->XMLin($msg, ForceArray=>1);
 516
 517             ##############
 518             # check header
 519             if( not exists $msg_hash->{'header'} ) { die "no header specified"; }
 520             my $header_l = $msg_hash->{'header'};
 521             if( 1 > @{$header_l} ) { die 'empty header tag'; }
 522             if( 1 < @{$header_l} ) { die 'more than one header specified'; }
 523             my $header = @{$header_l}[0];
 524             if( 0 == length $header) { die 'empty string in header tag'; }
 525
 526             ##############
 527             # check source
 528             if( not exists $msg_hash->{'source'} ) { die "no source specified"; }
 529             my $source_l = $msg_hash->{'source'};
 530             if( 1 > @{$source_l} ) { die 'empty source tag'; }
 531             if( 1 < @{$source_l} ) { die 'more than one source specified'; }
 532             my $source = @{$source_l}[0];
 533             if( 0 == length $source) { die 'source error'; }
 534
 535             ##############
 536             # check target
 537             if( not exists $msg_hash->{'target'} ) { die "no target specified"; }
 538             my $target_l = $msg_hash->{'target'};
 539             if( 1 > @{$target_l} ) { die 'empty target tag'; }
 540         }
 541     };
 542     if($@) {
 543         daemon_log("$session_id DEBUG: do not understand the message: $@", 7);
 544         $msg = undef;
 545         $msg_hash = undef;
 546     }
 547
 548     return ($msg, $msg_hash);
 549 }
 550
 551
 552 sub check_outgoing_xml_validity {
 553     my ($msg, $session_id) = @_;
 554
 555     my $msg_hash;
 556     eval{
 557         $msg_hash = $xml->XMLin($msg, ForceArray=>1);
 558
 559         ##############
 560         # check header
 561         my $header_l = $msg_hash->{'header'};
 562         if( 1 != @{$header_l} ) {
 563             die 'no or more than one headers specified';
 564         }
 565         my $header = @{$header_l}[0];
 566         if( 0 == length $header) {
 567             die 'header has length 0';
 568         }
 569
 570         ##############
 571         # check source
 572         my $source_l = $msg_hash->{'source'};
 573         if( 1 != @{$source_l} ) {
 574             die 'no or more than 1 sources specified';
 575         }
 576         my $source = @{$source_l}[0];
 577         if( 0 == length $source) {
 578             die 'source has length 0';
 579         }
 580         unless( $source =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ||
 581                 $source =~ /^GOSA$/i ) {
 582             die "source '$source' is neither a complete ip-address with port nor 'GOSA'";
 583         }
 584
 585         ##############
 586         # check target
 587         my $target_l = $msg_hash->{'target'};
 588         if( 0 == @{$target_l} ) {
 589             die "no targets specified";
 590         }
 591         foreach my $target (@$target_l) {
 592             if( 0 == length $target) {
 593                 die "target has length 0";
 594             }
 595             unless( $target =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ||
 596                     $target =~ /^GOSA$/i ||
 597                     $target =~ /^\*$/ ||
 598                     $target =~ /KNOWN_SERVER/i ||
 599                     $target =~ /JOBDB/i ||
 600                     $target =~ /^([0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2})$/i ){
 601                 die "target '$target' is not a complete ip-address with port or a valid target name or a mac-address";
 602             }
 603         }
 604     };
 605     if($@) {
 606         daemon_log("$session_id ERROR: outgoing msg is not gosa-si envelope conform: $@", 1);
 607         daemon_log("$@ ".(defined($msg) && length($msg)>0)?$msg:"Empty Message", 1);
 608         $msg_hash = undef;
 609     }
 610
 611     return ($msg_hash);
 612 }
 613
 614
 615 sub input_from_known_server {
 616     my ($input, $remote_ip, $session_id) = @_ ;
 617     my ($msg, $msg_hash, $module);
 618
 619     my $sql_statement= "SELECT * FROM known_server";
 620     my $query_res = $known_server_db->select_dbentry( $sql_statement );
 621
 622     while( my ($hit_num, $hit) = each %{ $query_res } ) {
 623         my $host_name = $hit->{hostname};
 624         if( not $host_name =~ "^$remote_ip") {
 625             next;
 626         }
 627         my $host_key = $hit->{hostkey};
 628         daemon_log("$session_id DEBUG: input_from_known_server: host_name: $host_name", 7);
 629         daemon_log("$session_id DEBUG: input_from_known_server: host_key: $host_key", 7);
 630
 631         # check if module can open msg envelope with module key
 632         my ($tmp_msg, $tmp_msg_hash) = &check_key_and_xml_validity($input, $host_key, $session_id);
 633         if( (!$tmp_msg) || (!$tmp_msg_hash) ) {
 634             daemon_log("$session_id DEBUG: input_from_known_server: deciphering raise error", 7);
 635             daemon_log("$@", 8);
 636             next;
 637         }
 638         else {
 639             $msg = $tmp_msg;
 640             $msg_hash = $tmp_msg_hash;
 641             $module = "ServerPackages";
 642             last;
 643         }
 644     }
 645
 646     if( (!$msg) || (!$msg_hash) || (!$module) ) {
 647         daemon_log("$session_id DEBUG: Incoming message is not from a known server", 7);
 648     }
 649
 650     return ($msg, $msg_hash, $module);
 651 }
 652
 653
 654 sub input_from_known_client {
 655     my ($input, $remote_ip, $session_id) = @_ ;
 656     my ($msg, $msg_hash, $module);
 657
 658     my $sql_statement= "SELECT * FROM known_clients";
 659     my $query_res = $known_clients_db->select_dbentry( $sql_statement );
 660     while( my ($hit_num, $hit) = each %{ $query_res } ) {
 661         my $host_name = $hit->{hostname};
 662         if( not $host_name =~ /^$remote_ip:\d*$/) {
 663                 next;
 664                 }
 665         my $host_key = $hit->{hostkey};
 666         &daemon_log("$session_id DEBUG: input_from_known_client: host_name: $host_name", 7);
 667         &daemon_log("$session_id DEBUG: input_from_known_client: host_key: $host_key", 7);
 668
 669         # check if module can open msg envelope with module key
 670         ($msg, $msg_hash) = &check_key_and_xml_validity($input, $host_key, $session_id);
 671
 672         if( (!$msg) || (!$msg_hash) ) {
 673             &daemon_log("$session_id DEGUG: input_from_known_client: deciphering raise error", 7);
 674             &daemon_log("$@", 8);
 675             next;
 676         }
 677         else {
 678             $module = "ClientPackages";
 679             last;
 680         }
 681     }
 682
 683     if( (!$msg) || (!$msg_hash) || (!$module) ) {
 684         &daemon_log("$session_id DEBUG: Incoming message is not from a known client", 7);
 685     }
 686
 687     return ($msg, $msg_hash, $module);
 688 }
 689
 690
 691 sub input_from_unknown_host {
 692     no strict "refs";
 693     my ($input, $session_id) = @_ ;
 694     my ($msg, $msg_hash, $module);
 695     my $error_string;
 696
 697         my %act_modules = %$known_modules;
 698
 699     while( my ($mod, $info) = each(%act_modules)) {
 700
 701         # check a key exists for this module
 702         my $module_key = ${$mod."_key"};
 703         if( not defined $module_key ) {
 704             if( $mod eq 'ArpHandler' ) {
 705                 next;
 706             }
 707             daemon_log("$session_id ERROR: no key specified in config file for $mod", 1);
 708             next;
 709         }
 710         daemon_log("$session_id DEBUG: $mod: $module_key", 7);
 711
 712         # check if module can open msg envelope with module key
 713         ($msg, $msg_hash) = &check_key_and_xml_validity($input, $module_key, $session_id);
 714         if( (not defined $msg) || (not defined $msg_hash) ) {
 715             next;
 716         }
 717         else {
 718             $module = $mod;
 719             last;
 720         }
 721     }
 722
 723     if( (!$msg) || (!$msg_hash) || (!$module)) {
 724         daemon_log("$session_id DEBUG: Incoming message is not from an unknown host", 7);
 725     }
 726
 727     return ($msg, $msg_hash, $module);
 728 }
 729
 730
 731 sub create_ciphering {
 732     my ($passwd) = @_;
 733         if((!defined($passwd)) || length($passwd)==0) {
 734                 $passwd = "";
 735         }
 736     $passwd = substr(md5_hex("$passwd") x 32, 0, 32);
 737     my $iv = substr(md5_hex('GONICUS GmbH'),0, 16);
 738     my $my_cipher = Crypt::Rijndael->new($passwd , Crypt::Rijndael::MODE_CBC());
 739     $my_cipher->set_iv($iv);
 740     return $my_cipher;
 741 }
 742
 743
 744 sub encrypt_msg {
 745     my ($msg, $key) = @_;
 746     my $my_cipher = &create_ciphering($key);
 747     my $len;
 748     {
 749             use bytes;
 750             $len= 16-length($msg)%16;
 751     }
 752     $msg = "\0"x($len).$msg;
 753     $msg = $my_cipher->encrypt($msg);
 754     chomp($msg = &encode_base64($msg));
 755     # there are no newlines allowed inside msg
 756     $msg=~ s/\n//g;
 757     return $msg;
 758 }
 759
 760
 761 sub decrypt_msg {
 762
 763     my ($msg, $key) = @_ ;
 764     $msg = &decode_base64($msg);
 765     my $my_cipher = &create_ciphering($key);
 766     $msg = $my_cipher->decrypt($msg);
 767     $msg =~ s/\0*//g;
 768     return $msg;
 769 }
 770
 771
 772 sub get_encrypt_key {
 773     my ($target) = @_ ;
 774     my $encrypt_key;
 775     my $error = 0;
 776
 777     # target can be in known_server
 778     if( not defined $encrypt_key ) {
 779         my $sql_statement= "SELECT * FROM known_server WHERE hostname='$target'";
 780         my $query_res = $known_server_db->select_dbentry( $sql_statement );
 781         while( my ($hit_num, $hit) = each %{ $query_res } ) {
 782             my $host_name = $hit->{hostname};
 783             if( $host_name ne $target ) {
 784                 next;
 785             }
 786             $encrypt_key = $hit->{hostkey};
 787             last;
 788         }
 789     }
 790
 791     # target can be in known_client
 792     if( not defined $encrypt_key ) {
 793         my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$target'";
 794         my $query_res = $known_clients_db->select_dbentry( $sql_statement );
 795         while( my ($hit_num, $hit) = each %{ $query_res } ) {
 796             my $host_name = $hit->{hostname};
 797             if( $host_name ne $target ) {
 798                 next;
 799             }
 800             $encrypt_key = $hit->{hostkey};
 801             last;
 802         }
 803     }
 804
 805     return $encrypt_key;
 806 }
 807
 808
 809 #===  FUNCTION  ================================================================
 810 #         NAME:  open_socket
 811 #   PARAMETERS:  PeerAddr string something like 192.168.1.1 or 192.168.1.1:10000
 812 #                [PeerPort] string necessary if port not appended by PeerAddr
 813 #      RETURNS:  socket IO::Socket::INET
 814 #  DESCRIPTION:  open a socket to PeerAddr
 815 #===============================================================================
 816 sub open_socket {
 817     my ($PeerAddr, $PeerPort) = @_ ;
 818     if(defined($PeerPort)){
 819         $PeerAddr = $PeerAddr.":".$PeerPort;
 820     }
 821     my $socket;
 822     $socket = new IO::Socket::INET(PeerAddr => $PeerAddr,
 823             Porto => "tcp",
 824             Type => SOCK_STREAM,
 825             Timeout => 5,
 826             );
 827     if(not defined $socket) {
 828         return;
 829     }
 830 #    &daemon_log("DEBUG: open_socket: $PeerAddr", 7);
 831     return $socket;
 832 }
 833
 834
 835 sub get_local_ip_for_remote_ip {
 836         my $remote_ip= shift;
 837         my $result="0.0.0.0";
 838
 839         if($remote_ip =~ /^(\d\d?\d?\.){3}\d\d?\d?$/) {
 840                 if($remote_ip eq "127.0.0.1") {
 841                         $result = "127.0.0.1";
 842                 } else {
 843                         my $PROC_NET_ROUTE= ('/proc/net/route');
 844
 845                         open(PROC_NET_ROUTE, "<$PROC_NET_ROUTE")
 846                                 or die "Could not open $PROC_NET_ROUTE";
 847
 848                         my @ifs = <PROC_NET_ROUTE>;
 849
 850                         close(PROC_NET_ROUTE);
 851
 852                         # Eat header line
 853                         shift @ifs;
 854                         chomp @ifs;
 855                         foreach my $line(@ifs) {
 856                                 my ($Iface,$Destination,$Gateway,$Flags,$RefCnt,$Use,$Metric,$Mask,$MTU,$Window,$IRTT)=split(/\s/, $line);
 857                                 my $destination;
 858                                 my $mask;
 859                                 my ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Destination);
 860                                 $destination= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
 861                                 ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Mask);
 862                                 $mask= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
 863                                 if(new NetAddr::IP($remote_ip)->within(new NetAddr::IP($destination, $mask))) {
 864                                         # destination matches route, save mac and exit
 865                                         $result= &get_ip($Iface);
 866                                         last;
 867                                 }
 868                         }
 869                 }
 870         } else {
 871                 daemon_log("0 WARNING: get_local_ip_for_remote_ip() was called with a non-ip parameter: '$remote_ip'", 1);
 872         }
 873         return $result;
 874 }
 875
 876
 877 sub send_msg_to_target {
 878     my ($msg, $address, $encrypt_key, $msg_header, $session_id) = @_ ;
 879     my $error = 0;
 880     my $header;
 881     my $timestamp = &get_time();
 882     my $new_status;
 883     my $act_status;
 884     my ($sql_statement, $res);
 885
 886     if( $msg_header ) {
 887         $header = "'$msg_header'-";
 888     } else {
 889         $header = "";
 890     }
 891
 892         # Patch the source ip
 893         if($msg =~ /<source>0\.0\.0\.0:\d*?<\/source>/) {
 894                 my $remote_ip = &get_local_ip_for_remote_ip(sprintf("%s", $address =~ /^([0-9\.]*?):.*$/));
 895                 $msg =~ s/<source>(0\.0\.0\.0):(\d*?)<\/source>/<source>$remote_ip:$2<\/source>/s;
 896         }
 897
 898     # encrypt xml msg
 899     my $crypted_msg = &encrypt_msg($msg, $encrypt_key);
 900
 901     # opensocket
 902     my $socket = &open_socket($address);
 903     if( !$socket ) {
 904         daemon_log("$session_id WARNING: cannot send ".$header."msg to $address , host not reachable", 3);
 905         $error++;
 906     }
 907
 908     if( $error == 0 ) {
 909         # send xml msg
 910         print $socket $crypted_msg."\n";
 911
 912         daemon_log("$session_id INFO: send ".$header."msg to $address", 5);
 913         daemon_log("$session_id DEBUG: message:\n$msg", 9);
 914
 915     }
 916
 917     # close socket in any case
 918     if( $socket ) {
 919         close $socket;
 920     }
 921
 922     if( $error > 0 ) { $new_status = "down"; }
 923     else { $new_status = $msg_header; }
 924
 925
 926     # known_clients
 927     $sql_statement = "SELECT * FROM $known_clients_tn WHERE hostname='$address'";
 928     $res = $known_clients_db->select_dbentry($sql_statement);
 929     if( keys(%$res) == 1) {
 930         $act_status = exists $res->{1}->{'status'} ? $res->{1}->{'status'} : "";
 931         if ($act_status eq "down" && $new_status eq "down") {
 932             $sql_statement = "DELETE FROM known_clients WHERE hostname='$address'";
 933             $res = $known_clients_db->del_dbentry($sql_statement);
 934             daemon_log("$session_id WARNING: failed 2x to send msg to host '$address', delete host from known_clients", 3);
 935         } else {
 936             $sql_statement = "UPDATE known_clients SET status='$new_status', timestamp='$timestamp' WHERE hostname='$address'";
 937             $res = $known_clients_db->update_dbentry($sql_statement);
 938             if($new_status eq "down"){
 939                 daemon_log("$session_id WARNING: set '$address' from status '$act_status' to '$new_status'", 3);
 940             } else {
 941                 daemon_log("$session_id INFO: set '$address' from status '$act_status' to '$new_status'", 5);
 942             }
 943         }
 944     }
 945
 946     # known_server
 947     $sql_statement = "SELECT * FROM $known_server_tn WHERE hostname='$address'";
 948     $res = $known_server_db->select_dbentry($sql_statement);
 949     if( keys(%$res) == 1) {
 950         $act_status = exists $res->{1}->{'status'} ? $res->{1}->{'status'} : "";
 951         if ($act_status eq "down" && $new_status eq "down") {
 952             $sql_statement = "DELETE FROM known_server WHERE hostname='$address'";
 953             $res = $known_server_db->del_dbentry($sql_statement);
 954             daemon_log("$session_id WARNING: failed 2x to send a message to host '$address', delete host from known_server", 3);
 955         }
 956         else {
 957             $sql_statement = "UPDATE known_server SET status='$new_status', timestamp='$timestamp' WHERE hostname='$address'";
 958             $res = $known_server_db->update_dbentry($sql_statement);
 959             if($new_status eq "down"){
 960                 daemon_log("$session_id WARNING: set '$address' from status '$act_status' to '$new_status'", 3);
 961             } else {
 962                 daemon_log("$session_id INFO: set '$address' from status '$act_status' to '$new_status'", 5);
 963             }
 964         }
 965     }
 966     return $error;
 967 }
 968
 969
 970 sub update_jobdb_status_for_send_msgs {
 971     my ($answer, $error) = @_;
 972     if( $answer =~ /<jobdb_id>(\d+)<\/jobdb_id>/ ) {
 973         my $jobdb_id = $1;
 974
 975         # sending msg faild
 976         if( $error ) {
 977             if (not $answer =~ /<header>trigger_action_reinstall<\/header>/) {
 978                 my $sql_statement = "UPDATE $job_queue_tn ".
 979                     "SET status='error', result='can not deliver msg, please consult log file' ".
 980                     "WHERE id=$jobdb_id";
 981                 my $res = $job_db->update_dbentry($sql_statement);
 982             }
 983
 984         # sending msg was successful
 985         } else {
 986             my $sql_statement = "UPDATE $job_queue_tn ".
 987                 "SET status='done' ".
 988                 "WHERE id=$jobdb_id AND status='processed'";
 989             my $res = $job_db->update_dbentry($sql_statement);
 990         }
 991     }
 992 }
 993
 994
 995 sub sig_handler {
 996         my ($kernel, $signal) = @_[KERNEL, ARG0] ;
 997         daemon_log("0 INFO got signal '$signal'", 1);
 998         $kernel->sig_handled();
 999         return;
1000 }
1001
1002
1003 sub msg_to_decrypt {
1004     my ($kernel, $session, $heap) = @_[KERNEL, SESSION, HEAP];
1005     my $session_id = $session->ID;
1006     my ($msg, $msg_hash, $module);
1007     my $error = 0;
1008
1009     # hole neue msg aus @msgs_to_decrypt
1010     my $next_msg = shift @msgs_to_decrypt;
1011
1012     # entschlüssle sie
1013
1014     # msg is from a new client or gosa
1015     ($msg, $msg_hash, $module) = &input_from_unknown_host($next_msg, $session_id);
1016     # msg is from a gosa-si-server
1017     if(( !$msg ) || ( !$msg_hash ) || ( !$module )){
1018         ($msg, $msg_hash, $module) = &input_from_known_server($next_msg, $heap->{'remote_ip'}, $session_id);
1019     }
1020     # msg is from a gosa-si-client
1021     if(( !$msg ) || ( !$msg_hash ) || ( !$module )){
1022         ($msg, $msg_hash, $module) = &input_from_known_client($next_msg, $heap->{'remote_ip'}, $session_id);
1023     }
1024     # an error occurred
1025     if(( !$msg ) || ( !$msg_hash ) || ( !$module )){
1026         # if an incoming msg could not be decrypted (maybe a wrong key), send client a ping. If the client
1027         # could not understand a msg from its server the client cause a re-registering process
1028         daemon_log("$session_id WARNING cannot understand incoming msg, send 'ping'-msg to all host with ip '".$heap->{remote_ip}.
1029                 "' to cause a re-registering of the client if necessary", 3);
1030         my $sql_statement = "SELECT * FROM $main::known_clients_tn WHERE (hostname LIKE '".$heap->{'remote_ip'}."%')";
1031         my $query_res = $known_clients_db->select_dbentry( $sql_statement );
1032         while( my ($hit_num, $hit) = each %{ $query_res } ) {
1033             my $host_name = $hit->{'hostname'};
1034             my $host_key = $hit->{'hostkey'};
1035             my $ping_msg = "<xml> <header>gosa_ping</header> <source>$server_address</source> <target>$host_name</target></xml>";
1036             my $error = &send_msg_to_target($ping_msg, $host_name, $host_key, "gosa_ping", $session_id);
1037             &update_jobdb_status_for_send_msgs($ping_msg, $error);
1038         }
1039         $error++;
1040     }
1041
1042
1043     my $header;
1044     my $target;
1045     my $source;
1046     my $done = 0;
1047     my $sql;
1048     my $res;
1049
1050     # check whether this message should be processed here
1051     if ($error == 0) {
1052         $header = @{$msg_hash->{'header'}}[0];
1053         $target = @{$msg_hash->{'target'}}[0];
1054         $source = @{$msg_hash->{'source'}}[0];
1055                 my $not_found_in_known_clients_db = 0;
1056                 my $not_found_in_known_server_db = 0;
1057                 my $not_found_in_foreign_clients_db = 0;
1058         my $local_address;
1059         my ($target_ip, $target_port) = split(':', $target);
1060                 if ($target =~ /^\d+\.\d+\.\d+\.\d+:\d+$/) {
1061                         $local_address = &get_local_ip_for_remote_ip($target_ip).":$server_port";
1062                 } else {
1063             $local_address = $server_address;
1064         }
1065
1066         # target and source is equal to GOSA -> process here
1067         if (not $done) {
1068             if ($target eq "GOSA" && $source eq "GOSA") {
1069                 $done = 1;
1070             }
1071         }
1072
1073         # target is own address without forward_to_gosa-tag -> process here
1074         if (not $done) {
1075             if (($target eq $local_address) && (not exists $msg_hash->{'forward_to_gosa'})) {
1076                 $done = 1;
1077                 if ($source eq "GOSA") {
1078                     $msg =~ s/<\/xml>/<forward_to_gosa>$local_address,$session_id<\/forward_to_gosa><\/xml>/;
1079                 }
1080                 #print STDERR "target is own address without forward_to_gosa-tag -> process here\n";
1081             }
1082         }
1083
1084         # target is a client address in known_clients -> process here
1085                 if (not $done) {
1086                                 $sql = "SELECT * FROM $known_clients_tn WHERE (hostname='$target' OR macaddress LIKE '$target')";
1087                                 $res = $known_clients_db->select_dbentry($sql);
1088                                 if (keys(%$res) > 0) {
1089                                                 $done = 1;
1090                                                 my $hostname = $res->{1}->{'hostname'};
1091                                                 $msg =~ s/<target>$target<\/target>/<target>$hostname<\/target>/;
1092                                                 #print STDERR "target is a client address in known_clients -> process here\n";
1093                         my $local_address = &get_local_ip_for_remote_ip($target_ip).":$server_port";
1094                         if ($source eq "GOSA") {
1095                             $msg =~ s/<\/xml>/<forward_to_gosa>$local_address,$session_id<\/forward_to_gosa><\/xml>/;
1096                         }
1097
1098                                 } else {
1099                                                 $not_found_in_known_clients_db = 1;
1100                                 }
1101                 }
1102
1103         # target ist own address with forward_to_gosa-tag not pointing to myself -> process here
1104         if (not $done) {
1105             my $forward_to_gosa =  @{$msg_hash->{'forward_to_gosa'}}[0];
1106             my $gosa_at;
1107             my $gosa_session_id;
1108             if (($target eq $local_address) && (defined $forward_to_gosa)){
1109                 my ($gosa_at, $gosa_session_id) = split(/,/, $forward_to_gosa);
1110                 if ($gosa_at ne $local_address) {
1111                     $done = 1;
1112                     #print STDERR "target is own address with forward_to_gosa-tag not pointing to myself -> process here\n";
1113                 }
1114             }
1115         }
1116
1117         # if message should be processed here -> add message to incoming_db
1118                 if ($done) {
1119                                 # if a job or a gosa message comes from a foreign server, fake module to GosaPackages
1120                                 # so gosa-si-server knows how to process this kind of messages
1121                                 if ($header =~ /^gosa_/ || $header =~ /^job_/) {
1122                                                 $module = "GosaPackages";
1123                                 }
1124
1125                                 my $res = $incoming_db->add_dbentry( {table=>$incoming_tn,
1126                                                                 primkey=>[],
1127                                                                 headertag=>$header,
1128                                                                 targettag=>$target,
1129                                                                 xmlmessage=>&encode_base64($msg),
1130                                                                 timestamp=>&get_time,
1131                                                                 module=>$module,
1132                                                                 sessionid=>$session_id,
1133                                                                 } );
1134                 }
1135
1136         # target is own address with forward_to_gosa-tag pointing at myself -> forward to gosa
1137         if (not $done) {
1138             my $forward_to_gosa =  @{$msg_hash->{'forward_to_gosa'}}[0];
1139             my $gosa_at;
1140             my $gosa_session_id;
1141             if (($target eq $local_address) && (defined $forward_to_gosa)){
1142                 my ($gosa_at, $gosa_session_id) = split(/,/, $forward_to_gosa);
1143                 if ($gosa_at eq $local_address) {
1144                     my $session_reference = $kernel->ID_id_to_session($gosa_session_id);
1145                     if( defined $session_reference ) {
1146                         $heap = $session_reference->get_heap();
1147                     }
1148                     if(exists $heap->{'client'}) {
1149                         $msg = &encrypt_msg($msg, $GosaPackages_key);
1150                         $heap->{'client'}->put($msg);
1151                         &daemon_log("$session_id INFO: incoming '$header' message forwarded to GOsa", 5);
1152                     }
1153                     $done = 1;
1154                     #print STDERR "target is own address with forward_to_gosa-tag pointing at myself -> forward to gosa\n";
1155                 }
1156             }
1157
1158         }
1159
1160         # target is a client address in foreign_clients -> forward to registration server
1161         if (not $done) {
1162             $sql = "SELECT * FROM $foreign_clients_tn WHERE (hostname='$target' OR macaddress LIKE '$target')";
1163             $res = $foreign_clients_db->select_dbentry($sql);
1164             if (keys(%$res) > 0) {
1165                     my $hostname = $res->{1}->{'hostname'};
1166                     my ($host_ip, $host_port) = split(/:/, $hostname);
1167                     my $local_address =  &get_local_ip_for_remote_ip($host_ip).":$server_port";
1168                 my $regserver = $res->{1}->{'regserver'};
1169                 my $sql = "SELECT * FROM $known_server_tn WHERE hostname='$regserver'";
1170                 my $res = $known_server_db->select_dbentry($sql);
1171                 if (keys(%$res) > 0) {
1172                     my $regserver_key = $res->{1}->{'hostkey'};
1173                     $msg =~ s/<source>GOSA<\/source>/<source>$local_address<\/source>/;
1174                     $msg =~ s/<target>$target<\/target>/<target>$hostname<\/target>/;
1175                     if ($source eq "GOSA") {
1176                         $msg =~ s/<\/xml>/<forward_to_gosa>$local_address,$session_id<\/forward_to_gosa><\/xml>/;
1177                     }
1178                     &send_msg_to_target($msg, $regserver, $regserver_key, $header, $session_id);
1179                 }
1180                 $done = 1;
1181                 #print STDERR "target is a client address in foreign_clients -> forward to registration server\n";
1182             } else {
1183                                 $not_found_in_foreign_clients_db = 1;
1184                         }
1185         }
1186
1187         # target is a server address -> forward to server
1188         if (not $done) {
1189             $sql = "SELECT * FROM $known_server_tn WHERE hostname='$target'";
1190             $res = $known_server_db->select_dbentry($sql);
1191             if (keys(%$res) > 0) {
1192                 my $hostkey = $res->{1}->{'hostkey'};
1193
1194                 if ($source eq "GOSA") {
1195                     $msg =~ s/<source>GOSA<\/source>/<source>$local_address<\/source>/;
1196                     $msg =~ s/<\/xml>/<forward_to_gosa>$local_address,$session_id<\/forward_to_gosa><\/xml>/;
1197
1198                 }
1199
1200                 &send_msg_to_target($msg, $target, $hostkey, $header, $session_id);
1201                 $done = 1;
1202                 #print STDERR "target is a server address -> forward to server\n";
1203             } else {
1204                                 $not_found_in_known_server_db = 1;
1205                         }
1206         }
1207
1208
1209                 # target is not in foreign_clients_db, known_server_db or known_clients_db, maybe it is a complete new one -> process here
1210                 if ( $not_found_in_foreign_clients_db
1211                                                 && $not_found_in_known_server_db
1212                                                 && $not_found_in_known_clients_db) {
1213                                 my $res = $incoming_db->add_dbentry( {table=>$incoming_tn,
1214                                                                 primkey=>[],
1215                                                                 headertag=>$header,
1216                                                                 targettag=>$target,
1217                                                                 xmlmessage=>&encode_base64($msg),
1218                                                                 timestamp=>&get_time,
1219                                                                 module=>$module,
1220                                                                 sessionid=>$session_id,
1221                                                                 } );
1222                                 $done = 1;
1223                 }
1224
1225
1226         if (not $done) {
1227             daemon_log("$session_id ERROR: do not know what to do with this message: $msg", 1);
1228             if ($source eq "GOSA") {
1229                 my %data = ('error_msg' => &encode_base64($msg), 'error_string' => "Do not know what to do with this message!");
1230                 my $error_msg = &build_msg("error", $local_address, "GOSA", \%data );
1231
1232                 my $session_reference = $kernel->ID_id_to_session($session_id);
1233                 if( defined $session_reference ) {
1234                     $heap = $session_reference->get_heap();
1235                 }
1236                 if(exists $heap->{'client'}) {
1237                     $error_msg = &encrypt_msg($error_msg, $GosaPackages_key);
1238                     $heap->{'client'}->put($error_msg);
1239                 }
1240             }
1241         }
1242
1243     }
1244
1245     return;
1246 }
1247
1248
1249 sub next_task {
1250     my ($session, $heap, $task) = @_[SESSION, HEAP, ARG0];
1251     my $running_task = POE::Wheel::Run->new(
1252             Program => sub { process_task($session, $heap, $task) },
1253             StdioFilter => POE::Filter::Reference->new(),
1254             StdoutEvent  => "task_result",
1255             StderrEvent  => "task_debug",
1256             CloseEvent   => "task_done",
1257             );
1258     $heap->{task}->{ $running_task->ID } = $running_task;
1259 }
1260
1261 sub handle_task_result {
1262     my ($kernel, $heap, $result) = @_[KERNEL, HEAP, ARG0];
1263     my $client_answer = $result->{'answer'};
1264     if( $client_answer =~ s/session_id=(\d+)$// ) {
1265         my $session_id = $1;
1266         if( defined $session_id ) {
1267             my $session_reference = $kernel->ID_id_to_session($session_id);
1268             if( defined $session_reference ) {
1269                 $heap = $session_reference->get_heap();
1270             }
1271         }
1272
1273         if(exists $heap->{'client'}) {
1274             $heap->{'client'}->put($client_answer);
1275         }
1276     }
1277     $kernel->sig(CHLD => "child_reap");
1278 }
1279
1280 sub handle_task_debug {
1281     my $result = $_[ARG0];
1282     print STDERR "$result\n";
1283 }
1284
1285 sub handle_task_done {
1286     my ( $kernel, $heap, $task_id ) = @_[ KERNEL, HEAP, ARG0 ];
1287     delete $heap->{task}->{$task_id};
1288 }
1289
1290 sub process_task {
1291     no strict "refs";
1292     #CHECK: Not @_[...]?
1293     my ($session, $heap, $task) = @_;
1294     my $error = 0;
1295     my $answer_l;
1296     my ($answer_header, @answer_target_l, $answer_source);
1297     my $client_answer = "";
1298
1299     # prepare all variables needed to process message
1300     #my $msg = $task->{'xmlmessage'};
1301     my $msg = &decode_base64($task->{'xmlmessage'});
1302     my $incoming_id = $task->{'id'};
1303     my $module = $task->{'module'};
1304     my $header =  $task->{'headertag'};
1305     my $session_id = $task->{'sessionid'};
1306     my $msg_hash = $xml->XMLin($msg, ForceArray=>1);
1307     my $source = @{$msg_hash->{'source'}}[0];
1308
1309     # set timestamp of incoming client uptodate, so client will not
1310     # be deleted from known_clients because of expiration
1311     my $act_time = &get_time();
1312     my $sql = "UPDATE $known_clients_tn SET timestamp='$act_time' WHERE hostname='$source'";
1313     my $res = $known_clients_db->exec_statement($sql);
1314
1315     ######################
1316     # process incoming msg
1317     if( $error == 0) {
1318         daemon_log("$session_id INFO: Incoming msg (session_id=$session_id) with header '".@{$msg_hash->{'header'}}[0]."'", 5);
1319         daemon_log("$session_id DEBUG: Processing module ".$module, 7);
1320         $answer_l = &{ $module."::process_incoming_msg" }($msg, $msg_hash, $session_id);
1321
1322         if ( 0 < @{$answer_l} ) {
1323             my $answer_str = join("\n", @{$answer_l});
1324             while ($answer_str =~ /<header>(\w+)<\/header>/g) {
1325                 daemon_log("$session_id INFO: got answer message with header '$1'", 5);
1326             }
1327             daemon_log("$session_id DEBUG: $module: got answer from module: \n".$answer_str,8);
1328         } else {
1329             daemon_log("$session_id DEBUG: $module: got no answer from module!" ,8);
1330         }
1331
1332     }
1333     if( !$answer_l ) { $error++ };
1334
1335     ########
1336     # answer
1337     if( $error == 0 ) {
1338
1339         foreach my $answer ( @{$answer_l} ) {
1340             # check outgoing msg to xml validity
1341             my $answer_hash = &check_outgoing_xml_validity($answer, $session_id);
1342             if( not defined $answer_hash ) { next; }
1343
1344             $answer_header = @{$answer_hash->{'header'}}[0];
1345             @answer_target_l = @{$answer_hash->{'target'}};
1346             $answer_source = @{$answer_hash->{'source'}}[0];
1347
1348             # deliver msg to all targets
1349             foreach my $answer_target ( @answer_target_l ) {
1350
1351                 # targets of msg are all gosa-si-clients in known_clients_db
1352                 if( $answer_target eq "*" ) {
1353                     # answer is for all clients
1354                     my $sql_statement= "SELECT * FROM known_clients";
1355                     my $query_res = $known_clients_db->select_dbentry( $sql_statement );
1356                     while( my ($hit_num, $hit) = each %{ $query_res } ) {
1357                         my $host_name = $hit->{hostname};
1358                         my $host_key = $hit->{hostkey};
1359                         my $error = &send_msg_to_target($answer, $host_name, $host_key, $answer_header, $session_id);
1360                         &update_jobdb_status_for_send_msgs($answer, $error);
1361                     }
1362                 }
1363
1364                 # targets of msg are all gosa-si-server in known_server_db
1365                 elsif( $answer_target eq "KNOWN_SERVER" ) {
1366                     # answer is for all server in known_server
1367                     my $sql_statement= "SELECT * FROM $known_server_tn";
1368                     my $query_res = $known_server_db->select_dbentry( $sql_statement );
1369                     while( my ($hit_num, $hit) = each %{ $query_res } ) {
1370                         my $host_name = $hit->{hostname};
1371                         my $host_key = $hit->{hostkey};
1372                         $answer =~ s/<target>\S+<\/target>/<target>$host_name<\/target>/g;
1373                         my $error = &send_msg_to_target($answer, $host_name, $host_key, $answer_header, $session_id);
1374                         &update_jobdb_status_for_send_msgs($answer, $error);
1375                     }
1376                 }
1377
1378                 # target of msg is GOsa
1379                                 elsif( $answer_target eq "GOSA" ) {
1380                                         my $session_id = ($1) if $answer =~ /<session_id>(\d+?)<\/session_id>/;
1381                                         my $add_on = "";
1382                     if( defined $session_id ) {
1383                         $add_on = ".session_id=$session_id";
1384                     }
1385                     # answer is for GOSA and has to returned to connected client
1386                     my $gosa_answer = &encrypt_msg($answer, $GosaPackages_key);
1387                     $client_answer = $gosa_answer.$add_on;
1388                 }
1389
1390                 # target of msg is job queue at this host
1391                 elsif( $answer_target eq "JOBDB") {
1392                     $answer =~ /<header>(\S+)<\/header>/;
1393                     my $header;
1394                     if( defined $1 ) { $header = $1; }
1395                     my $error = &send_msg_to_target($answer, $server_address, $GosaPackages_key, $header, $session_id);
1396                     &update_jobdb_status_for_send_msgs($answer, $error);
1397                 }
1398
1399                 # target of msg is a mac address
1400                 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 ) {
1401                     daemon_log("$session_id INFO: target is mac address '$answer_target', looking for host in known_clients", 5);
1402                     my $sql_statement = "SELECT * FROM known_clients WHERE macaddress LIKE '$answer_target'";
1403                     my $query_res = $known_clients_db->select_dbentry( $sql_statement );
1404                     my $found_ip_flag = 0;
1405                     while( my ($hit_num, $hit) = each %{ $query_res } ) {
1406                         my $host_name = $hit->{hostname};
1407                         my $host_key = $hit->{hostkey};
1408                         $answer =~ s/$answer_target/$host_name/g;
1409                         daemon_log("$session_id INFO: found host '$host_name', associated to '$answer_target'", 5);
1410                         my $error = &send_msg_to_target($answer, $host_name, $host_key, $answer_header, $session_id);
1411                         &update_jobdb_status_for_send_msgs($answer, $error);
1412                         $found_ip_flag++ ;
1413                     }
1414                     if( $found_ip_flag == 0) {
1415                         daemon_log("$session_id WARNING: no host found in known_clients with mac address '$answer_target'", 3);
1416                     }
1417
1418                 #  answer is for one specific host
1419                 } else {
1420                     # get encrypt_key
1421                     my $encrypt_key = &get_encrypt_key($answer_target);
1422                     if( not defined $encrypt_key ) {
1423                         # unknown target
1424                         daemon_log("$session_id WARNING: unknown target '$answer_target'", 3);
1425                         next;
1426                     }
1427                     my $error = &send_msg_to_target($answer, $answer_target, $encrypt_key, $answer_header,$session_id);
1428                     &update_jobdb_status_for_send_msgs($answer, $error);
1429                 }
1430             }
1431         }
1432     }
1433
1434     my $filter = POE::Filter::Reference->new();
1435     my %result = (
1436             status => "seems ok to me",
1437             answer => $client_answer,
1438             );
1439
1440     my $output = $filter->put( [ \%result ] );
1441     print @$output;
1442
1443
1444 }
1445
1446 sub session_start {
1447     my ($kernel) = $_[KERNEL];
1448     $global_kernel = $kernel;
1449     $kernel->yield('register_at_foreign_servers');
1450         $kernel->yield('create_fai_server_db', $fai_server_tn );
1451         $kernel->yield('create_fai_release_db', $fai_release_tn );
1452     $kernel->yield('watch_for_next_tasks');
1453         $kernel->sig(USR1 => "sig_handler");
1454         $kernel->sig(USR2 => "recreate_packages_db");
1455         $kernel->delay_set('watch_for_new_jobs', $job_queue_loop_delay);
1456         $kernel->delay_set('watch_for_done_jobs', $job_queue_loop_delay);
1457     $kernel->delay_set('watch_for_modified_jobs', $modified_jobs_loop_delay);
1458         $kernel->delay_set('watch_for_new_messages', $messaging_db_loop_delay);
1459     $kernel->delay_set('watch_for_delivery_messages', $messaging_db_loop_delay);
1460         $kernel->delay_set('watch_for_done_messages', $messaging_db_loop_delay);
1461     $kernel->delay_set('watch_for_old_known_clients', $job_queue_loop_delay);
1462
1463     # Start opsi check
1464     if ($opsi_enabled eq "true") {
1465         $kernel->delay_set('watch_for_opsi_jobs', $job_queue_opsi_delay);
1466     }
1467
1468 }
1469
1470
1471 sub watch_for_done_jobs {
1472     #CHECK: $heap for what?
1473     my ($kernel,$heap) = @_[KERNEL, HEAP];
1474
1475     my $sql_statement = "SELECT * FROM ".$job_queue_tn." WHERE ((status='done') AND (modified='0'))";
1476         my $res = $job_db->select_dbentry( $sql_statement );
1477
1478     while( my ($id, $hit) = each %{$res} ) {
1479         my $jobdb_id = $hit->{id};
1480         my $sql_statement = "DELETE FROM $job_queue_tn WHERE id=$jobdb_id";
1481         my $res = $job_db->del_dbentry($sql_statement);
1482     }
1483
1484     $kernel->delay_set('watch_for_done_jobs',$job_queue_loop_delay);
1485 }
1486
1487
1488 sub watch_for_opsi_jobs {
1489     my ($kernel) = $_[KERNEL];
1490
1491     # 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
1492     # opsi install job is to parse the xml message. There is still the correct header.
1493     my $sql_statement = "SELECT * FROM ".$job_queue_tn." WHERE ((xmlmessage LIKE '%opsi_install_client</header>%') AND (status='processing'))";
1494         my $res = $job_db->select_dbentry( $sql_statement );
1495
1496     # Ask OPSI for an update of the running jobs
1497     while (my ($id, $hit) = each %$res ) {
1498         # Determine current parameters of the job
1499         my $hostId = $hit->{'plainname'};
1500         my $macaddress = $hit->{'macaddress'};
1501         my $progress = $hit->{'progress'};
1502
1503         my $result= {};
1504
1505         # For hosts, only return the products that are or get installed
1506         my $callobj;
1507         $callobj = {
1508             method  => 'getProductStates_hash',
1509             params  => [ $hostId ],
1510             id  => 1,
1511         };
1512
1513         my $hres = $opsi_client->call($opsi_url, $callobj);
1514         my ($hres_err, $hres_err_string) = &check_opsi_res($hres);
1515         if (&check_opsi_res($hres)) {
1516             my $htmp= $hres->result->{$hostId};
1517
1518             # check state != not_installed or action == setup -> load and add
1519             my $products= 0;
1520             my $installed= 0;
1521             my $installing = 0;
1522             my $error= 0;
1523             my @installed_list;
1524             my @error_list;
1525             my $act_status = "none";
1526             foreach my $product (@{$htmp}){
1527
1528                 if ($product->{'installationStatus'} ne "not_installed" or
1529                         $product->{'actionRequest'} eq "setup"){
1530
1531                     # Increase number of products for this host
1532                     $products++;
1533
1534                     if ($product->{'installationStatus'} eq "failed"){
1535                         $result->{$product->{'productId'}}= "error";
1536                         unshift(@error_list, $product->{'productId'});
1537                         $error++;
1538                     }
1539                     if ($product->{'installationStatus'} eq "installed" && $product->{'actionRequest'}  eq "none"){
1540                         $result->{$product->{'productId'}}= "installed";
1541                         unshift(@installed_list, $product->{'productId'});
1542                         $installed++;
1543                     }
1544                     if ($product->{'installationStatus'} eq "installing"){
1545                         $result->{$product->{'productId'}}= "installing";
1546                         $installing++;
1547                         $act_status = "installing - ".$product->{'productId'};
1548                     }
1549                 }
1550             }
1551
1552         # Estimate "rough" progress
1553             $result->{'progress'}= int($installed * 100 / $products);
1554
1555         # Set updates in job queue
1556             if ((not $error) && (not $installing) && ($installed)) {
1557                 $act_status = "installed - ".join(", ", @installed_list);
1558             }
1559             if ($error) {
1560                 $act_status = "error - ".join(", ", @error_list);
1561             }
1562             if ($progress ne $result->{'progress'} ) {
1563                 # Updating progress and result
1564                 my $update_statement = "UPDATE $job_queue_tn SET modified='1', ";
1565                 $update_statement .= "progress='".$result->{'progress'}."', result='$act_status' WHERE macaddress='$macaddress'";
1566                 my $update_res = $job_db->update_dbentry($update_statement);
1567             }
1568             if ($progress eq 100) {
1569                 # Updateing status
1570                 my $done_statement = "UPDATE $job_queue_tn SET modified='1', ";
1571                 if ($error) {
1572                     $done_statement .= "status='error'";
1573                 } else {
1574                     $done_statement .= "status='done'";
1575                 }
1576                 $done_statement .= " WHERE macaddress='$macaddress'";
1577                 my $done_res = $job_db->update_dbentry($done_statement);
1578             }
1579
1580
1581         }
1582     }
1583
1584     $kernel->delay_set('watch_for_opsi_jobs', $job_queue_opsi_delay);
1585 }
1586
1587
1588 # if a job got an update or was modified anyway, send to all other si-server an update message
1589 # of this jobs
1590 sub watch_for_modified_jobs {
1591     my ($kernel,$heap) = @_[KERNEL, HEAP];
1592
1593     my $sql_statement = "SELECT * FROM $job_queue_tn WHERE ((siserver='localhost') AND (modified='1'))";
1594     my $res = $job_db->select_dbentry( $sql_statement );
1595
1596     # if db contains no jobs which should be update, do nothing
1597     if (keys %$res != 0) {
1598
1599         if ($job_synchronization  eq "true") {
1600             # make out of the db result a gosa-si message
1601             my $update_msg = &db_res2si_msg ($res, "foreign_job_updates", "KNOWN_SERVER", "MY_LOCAL_ADDRESS");
1602
1603             # update all other SI-server
1604             &inform_all_other_si_server($update_msg);
1605         }
1606
1607         # set jobs all jobs to modified = 0, wait until the next modification for updates of other si-server
1608         $sql_statement = "UPDATE $job_queue_tn SET modified='0' ";
1609         $res = $job_db->update_dbentry($sql_statement);
1610     }
1611
1612     $kernel->delay_set('watch_for_modified_jobs', $modified_jobs_loop_delay);
1613 }
1614
1615
1616 sub watch_for_new_jobs {
1617         if($watch_for_new_jobs_in_progress == 0) {
1618                 $watch_for_new_jobs_in_progress = 1;
1619                 my ($kernel,$heap) = @_[KERNEL, HEAP];
1620
1621                 # check gosa job quaeue for jobs with executable timestamp
1622                 my $timestamp = &get_time();
1623                 my $sql_statement = "SELECT * FROM $job_queue_tn WHERE status='waiting' AND (CAST (timestamp AS INTEGER)) < $timestamp ORDER BY timestamp";
1624                 my $res = $job_db->exec_statement( $sql_statement );
1625
1626                 # Merge all new jobs that would do the same actions
1627                 my @drops;
1628                 my $hits;
1629                 foreach my $hit (reverse @{$res} ) {
1630                         my $macaddress= lc @{$hit}[8];
1631                         my $headertag= @{$hit}[5];
1632                         if(
1633                                 defined($hits->{$macaddress}) &&
1634                                 defined($hits->{$macaddress}->{$headertag}) &&
1635                                 defined($hits->{$macaddress}->{$headertag}[0])
1636                         ) {
1637                                 push @drops, "DELETE FROM $job_queue_tn WHERE id = $hits->{$macaddress}->{$headertag}[0]";
1638                         }
1639                         $hits->{$macaddress}->{$headertag}= $hit;
1640                 }
1641
1642                 # Delete new jobs with a matching job in state 'processing'
1643                 foreach my $macaddress (keys %{$hits}) {
1644                         foreach my $jobdb_headertag (keys %{$hits->{$macaddress}}) {
1645                                 my $jobdb_id = @{$hits->{$macaddress}->{$jobdb_headertag}}[0];
1646                                 if(defined($jobdb_id)) {
1647                                         my $sql_statement = "SELECT * FROM $job_queue_tn WHERE macaddress LIKE '$macaddress' AND headertag='$jobdb_headertag' AND status='processing'";
1648                                         my $res = $job_db->exec_statement( $sql_statement );
1649                                         foreach my $hit (@{$res}) {
1650                                                 push @drops, "DELETE FROM $job_queue_tn WHERE id=$jobdb_id";
1651                                         }
1652                                 } else {
1653                                         daemon_log("J ERROR: Job without id exists for macaddress $macaddress!", 1);
1654                                 }
1655                         }
1656                 }
1657
1658                 # Commit deletion
1659                 $job_db->exec_statementlist(\@drops);
1660
1661                 # Look for new jobs that could be executed
1662                 foreach my $macaddress (keys %{$hits}) {
1663
1664                         # Look if there is an executing job
1665                         my $sql_statement = "SELECT * FROM $job_queue_tn WHERE macaddress LIKE '$macaddress' AND status='processing'";
1666                         my $res = $job_db->exec_statement( $sql_statement );
1667
1668                         # Skip new jobs for host if there is a processing job
1669                         if(defined($res) and defined @{$res}[0]) {
1670                                 next;
1671                         }
1672
1673                         foreach my $jobdb_headertag (keys %{$hits->{$macaddress}}) {
1674                                 my $jobdb_id = @{$hits->{$macaddress}->{$jobdb_headertag}}[0];
1675                                 if(defined($jobdb_id)) {
1676                                         my $job_msg = @{$hits->{$macaddress}->{$jobdb_headertag}}[7];
1677
1678                                         daemon_log("J DEBUG: its time to execute $job_msg", 7);
1679                                         my $sql_statement = "SELECT * FROM known_clients WHERE macaddress LIKE '$macaddress'";
1680                                         my $res_hash = $known_clients_db->select_dbentry( $sql_statement );
1681
1682                                         # expect macaddress is unique!!!!!!
1683                                         my $target = $res_hash->{1}->{hostname};
1684
1685                                         # change header
1686                                         $job_msg =~ s/<header>job_/<header>gosa_/;
1687
1688                                         # add sqlite_id
1689                                         $job_msg =~ s/<\/xml>$/<jobdb_id>$jobdb_id<\/jobdb_id><\/xml>/;
1690
1691                                         $job_msg =~ /<header>(\S+)<\/header>/;
1692                                         my $header = $1 ;
1693                                         my $func_error = &send_msg_to_target($job_msg, $server_address, $GosaPackages_key, $header, "J");
1694
1695                                         # update status in job queue to 'processing'
1696                                         $sql_statement = "UPDATE $job_queue_tn SET status='processing' WHERE id=$jobdb_id";
1697                                         my $res = $job_db->update_dbentry($sql_statement);
1698 # TODO: abfangen ob alles in ordnung ist oder nicht, wenn nicht error schmeißen
1699
1700                                         # We don't want parallel processing
1701                                         last;
1702                                 }
1703                         }
1704                 }
1705
1706                 $watch_for_new_jobs_in_progress = 0;
1707                 $kernel->delay_set('watch_for_new_jobs', $job_queue_loop_delay);
1708         }
1709 }
1710
1711
1712 sub watch_for_new_messages {
1713     my ($kernel,$heap) = @_[KERNEL, HEAP];
1714     my @coll_user_msg;   # collection list of outgoing messages
1715
1716     # check messaging_db for new incoming messages with executable timestamp
1717     my $timestamp = &get_time();
1718     my $sql_statement = "SELECT * FROM $messaging_tn WHERE ( (CAST(timestamp AS INTEGER))<$timestamp AND flag='n' AND direction='in' )";
1719     my $res = $messaging_db->exec_statement( $sql_statement );
1720         foreach my $hit (@{$res}) {
1721
1722         # create outgoing messages
1723         my $message_to = @{$hit}[3];
1724         # translate message_to to plain login name
1725         my @message_to_l = split(/,/, $message_to);
1726                 my %receiver_h;
1727                 foreach my $receiver (@message_to_l) {
1728                         if ($receiver =~ /^u_([\s\S]*)$/) {
1729                                 $receiver_h{$1} = 0;
1730                         } elsif ($receiver =~ /^g_([\s\S]*)$/) {
1731                                 my $group_name = $1;
1732                                 # fetch all group members from ldap and add them to receiver hash
1733                                 my $ldap_handle = &get_ldap_handle();
1734                                 if (defined $ldap_handle) {
1735                                                 my $mesg = $ldap_handle->search(
1736                                                                                 base => $ldap_base,
1737                                                                                 scope => 'sub',
1738                                                                                 attrs => ['memberUid'],
1739                                                                                 filter => "cn=$group_name",
1740                                                                                 );
1741                                                 if ($mesg->count) {
1742                                                                 my @entries = $mesg->entries;
1743                                                                 foreach my $entry (@entries) {
1744                                                                                 my @receivers= $entry->get_value("memberUid");
1745                                                                                 foreach my $receiver (@receivers) {
1746                                                                                                 $receiver_h{$1} = 0;
1747                                                                                 }
1748                                                                 }
1749                                                 }
1750                                                 # translating errors ?
1751                                                 if ($mesg->code) {
1752                                                                 daemon_log("M ERROR: unable to translate group '$group_name' to user list for message delivery: $mesg->error", 1);
1753                                                 }
1754                                 # ldap handle error ?
1755                                 } else {
1756                                         daemon_log("M ERROR: unable to translate group '$group_name' to user list for message delivery: no ldap handle available", 1);
1757                                 }
1758                         } else {
1759                                 my $sbjct = &encode_base64(@{$hit}[1]);
1760                                 my $msg = &encode_base64(@{$hit}[7]);
1761                                 &daemon_log("M WARNING: unknown receiver '$receiver' for a user-message '$sbjct - $msg'", 3);
1762                         }
1763                 }
1764                 my @receiver_l = keys(%receiver_h);
1765
1766         my $message_id = @{$hit}[0];
1767
1768         #add each outgoing msg to messaging_db
1769         my $receiver;
1770         foreach $receiver (@receiver_l) {
1771             my $sql_statement = "INSERT INTO $messaging_tn (id, subject, message_from, message_to, flag, direction, delivery_time, message, timestamp) ".
1772                 "VALUES ('".
1773                 $message_id."', '".    # id
1774                 @{$hit}[1]."', '".     # subject
1775                 @{$hit}[2]."', '".     # message_from
1776                 $receiver."', '".      # message_to
1777                 "none"."', '".         # flag
1778                 "out"."', '".          # direction
1779                 @{$hit}[6]."', '".     # delivery_time
1780                 @{$hit}[7]."', '".     # message
1781                 $timestamp."'".     # timestamp
1782                 ")";
1783             &daemon_log("M DEBUG: $sql_statement", 1);
1784             my $res = $messaging_db->exec_statement($sql_statement);
1785             &daemon_log("M INFO: message '".@{$hit}[0]."' is prepared for delivery to receiver '$receiver'", 5);
1786         }
1787
1788         # set incoming message to flag d=deliverd
1789         $sql_statement = "UPDATE $messaging_tn SET flag='p' WHERE id='$message_id'";
1790         &daemon_log("M DEBUG: $sql_statement", 7);
1791         $res = $messaging_db->update_dbentry($sql_statement);
1792         &daemon_log("M INFO: message '$message_id' is set to flag 'p' (processed)", 5);
1793     }
1794
1795     $kernel->delay_set('watch_for_new_messages', $messaging_db_loop_delay);
1796     return;
1797 }
1798
1799 sub watch_for_delivery_messages {
1800     my ($kernel, $heap) = @_[KERNEL, HEAP];
1801
1802     # select outgoing messages
1803     my $sql_statement = "SELECT * FROM $messaging_tn WHERE ( flag='p' AND direction='out' )";
1804     #&daemon_log("0 DEBUG: $sql", 7);
1805     my $res = $messaging_db->exec_statement( $sql_statement );
1806
1807     # build out msg for each    usr
1808     foreach my $hit (@{$res}) {
1809         my $receiver = @{$hit}[3];
1810         my $msg_id = @{$hit}[0];
1811         my $subject = @{$hit}[1];
1812         my $message = @{$hit}[7];
1813
1814         # resolve usr -> host where usr is logged in
1815         my $sql = "SELECT * FROM $login_users_tn WHERE (user='$receiver')";
1816         #&daemon_log("0 DEBUG: $sql", 7);
1817         my $res = $login_users_db->exec_statement($sql);
1818
1819         # reciver is logged in nowhere
1820         if (not ref(@$res[0]) eq "ARRAY") { next; }
1821
1822                 my $send_succeed = 0;
1823                 foreach my $hit (@$res) {
1824                                 my $receiver_host = @$hit[0];
1825                                 &daemon_log("M DEBUG: user '$receiver' is logged in at host '$receiver_host'", 7);
1826
1827                                 # fetch key to encrypt msg propperly for usr/host
1828                                 my $sql = "SELECT * FROM $known_clients_tn WHERE (hostname='$receiver_host')";
1829                                 &daemon_log("0 DEBUG: $sql", 7);
1830                                 my $res = $known_clients_db->exec_statement($sql);
1831
1832                                 # host is already down
1833                                 if (not ref(@$res[0]) eq "ARRAY") { next; }
1834
1835                                 # host is on
1836                                 my $receiver_key = @{@{$res}[0]}[2];
1837                                 my %data = ('subject' => $subject, 'message' => $message, 'usr' => $receiver);
1838                                 my $out_msg = &build_msg("usr_msg", $server_address, $receiver_host, \%data );
1839                                 my $error = &send_msg_to_target($out_msg, $receiver_host, $receiver_key, "usr_msg", 0);
1840                                 if ($error == 0 ) {
1841                                         $send_succeed++ ;
1842                                 }
1843                 }
1844
1845                 if ($send_succeed) {
1846                                 # set outgoing msg at db to deliverd
1847                                 my $sql = "UPDATE $messaging_tn SET flag='d' WHERE (id='$msg_id' AND direction='out' AND message_to='$receiver')";
1848                                 &daemon_log("0 DEBUG: $sql", 7);
1849                                 my $res = $messaging_db->exec_statement($sql);
1850                 }
1851         }
1852
1853     $kernel->delay_set('watch_for_delivery_messages', $messaging_db_loop_delay);
1854     return;
1855 }
1856
1857
1858 sub watch_for_done_messages {
1859     my ($kernel,$heap) = @_[KERNEL, HEAP];
1860
1861     my $sql = "SELECT * FROM $messaging_tn WHERE (flag='p' AND direction='in')";
1862     #&daemon_log("0 DEBUG: $sql", 7);
1863     my $res = $messaging_db->exec_statement($sql);
1864
1865     foreach my $hit (@{$res}) {
1866         my $msg_id = @{$hit}[0];
1867
1868         my $sql = "SELECT * FROM $messaging_tn WHERE (id='$msg_id' AND direction='out' AND (NOT flag='s'))";
1869         #&daemon_log("0 DEBUG: $sql", 7);
1870         my $res = $messaging_db->exec_statement($sql);
1871
1872         # not all usr msgs have been seen till now
1873         if ( ref(@$res[0]) eq "ARRAY") { next; }
1874
1875         $sql = "DELETE FROM $messaging_tn WHERE (id='$msg_id')";
1876         #&daemon_log("0 DEBUG: $sql", 7);
1877         $res = $messaging_db->exec_statement($sql);
1878
1879     }
1880
1881     $kernel->delay_set('watch_for_done_messages', $messaging_db_loop_delay);
1882     return;
1883 }
1884
1885
1886 sub watch_for_old_known_clients {
1887     my ($kernel,$heap) = @_[KERNEL, HEAP];
1888
1889     my $sql_statement = "SELECT * FROM $known_clients_tn";
1890     my $res = $known_clients_db->select_dbentry( $sql_statement );
1891
1892     my $act_time = int(&get_time());
1893
1894     while ( my ($hit_num, $hit) = each %$res) {
1895         my $expired_timestamp = int($hit->{'timestamp'});
1896         $expired_timestamp =~ /(\d{4})(\d\d)(\d\d)(\d\d)(\d\d)(\d\d)/;
1897         my $dt = DateTime->new( year   => $1,
1898                 month  => $2,
1899                 day    => $3,
1900                 hour   => $4,
1901                 minute => $5,
1902                 second => $6,
1903                 );
1904
1905         $dt->add( seconds => 2 * int($hit->{'keylifetime'}) );
1906         $expired_timestamp = $dt->ymd('').$dt->hms('')."\n";
1907         if ($act_time > $expired_timestamp) {
1908             my $hostname = $hit->{'hostname'};
1909             my $del_sql = "DELETE FROM $known_clients_tn WHERE hostname='$hostname'";
1910             my $del_res = $known_clients_db->exec_statement($del_sql);
1911
1912             &main::daemon_log("0 INFO: timestamp '".$hit->{'timestamp'}."' of client '$hostname' is expired('$expired_timestamp'), client will be deleted from known_clients_db", 5);
1913         }
1914
1915     }
1916
1917     $kernel->delay_set('watch_for_old_known_clients', $job_queue_loop_delay);
1918 }
1919
1920
1921 sub watch_for_next_tasks {
1922     my ($kernel,$heap) = @_[KERNEL, HEAP];
1923
1924     my $sql = "SELECT * FROM $incoming_tn";
1925     my $res = $incoming_db->select_dbentry($sql);
1926
1927     while ( my ($hit_num, $hit) = each %$res) {
1928         my $headertag = $hit->{'headertag'};
1929         if ($headertag =~ /^answer_(\d+)/) {
1930             # do not start processing, this message is for a still running POE::Wheel
1931             next;
1932         }
1933         my $message_id = $hit->{'id'};
1934         $kernel->yield('next_task', $hit);
1935
1936         my $sql = "DELETE FROM $incoming_tn WHERE id=$message_id";
1937         my $res = $incoming_db->exec_statement($sql);
1938     }
1939
1940     $kernel->delay_set('watch_for_next_tasks', 0.1);
1941 }
1942
1943
1944 sub get_ldap_handle {
1945         my ($session_id) = @_;
1946         my $heap;
1947         my $ldap_handle;
1948
1949         if (not defined $session_id ) { $session_id = 0 };
1950         if ($session_id =~ /[^0-9]*/) { $session_id = 0 };
1951
1952         if ($session_id == 0) {
1953                 daemon_log("$session_id DEBUG: get_ldap_handle invoked without a session_id, create a new ldap_handle", 7);
1954                 $ldap_handle = Net::LDAP->new( $ldap_uri );
1955                 $ldap_handle->bind($ldap_admin_dn, password => $ldap_admin_password) or daemon_log("$session_id ERROR: Bind to LDAP $ldap_uri as $ldap_admin_dn failed!");
1956
1957         } else {
1958                 my $session_reference = $global_kernel->ID_id_to_session($session_id);
1959                 if( defined $session_reference ) {
1960                         $heap = $session_reference->get_heap();
1961                 }
1962
1963                 if (not defined $heap) {
1964                         daemon_log("$session_id DEBUG: cannot get heap for session_id '$session_id'", 7);
1965                         return;
1966                 }
1967
1968                 # TODO: This "if" is nonsense, because it doesn't prove that the
1969                 #       used handle is still valid - or if we've to reconnect...
1970                 #if (not exists $heap->{ldap_handle}) {
1971                         $ldap_handle = Net::LDAP->new( $ldap_uri );
1972                         $ldap_handle->bind($ldap_admin_dn, password => $ldap_admin_password) or daemon_log("$session_id ERROR: Bind to LDAP $ldap_uri as $ldap_admin_dn failed!");
1973                         $heap->{ldap_handle} = $ldap_handle;
1974                 #}
1975         }
1976         return $ldap_handle;
1977 }
1978
1979
1980 sub change_fai_state {
1981     my ($st, $targets, $session_id) = @_;
1982     $session_id = 0 if not defined $session_id;
1983     # Set FAI state to localboot
1984     my %mapActions= (
1985         reboot    => '',
1986         update    => 'softupdate',
1987         localboot => 'localboot',
1988         reinstall => 'install',
1989         rescan    => '',
1990         wake      => '',
1991         memcheck  => 'memcheck',
1992         sysinfo   => 'sysinfo',
1993         install   => 'install',
1994     );
1995
1996     # Return if this is unknown
1997     if (!exists $mapActions{ $st }){
1998         daemon_log("$session_id ERROR: unknown action '$st', can not translate ot FAIstate", 1);
1999       return;
2000     }
2001
2002     my $state= $mapActions{ $st };
2003
2004     my $ldap_handle = &get_ldap_handle($session_id);
2005     if( defined($ldap_handle) ) {
2006
2007       # Build search filter for hosts
2008         my $search= "(&(objectClass=GOhard)";
2009         foreach (@{$targets}){
2010             $search.= "(macAddress=$_)";
2011         }
2012         $search.= ")";
2013
2014       # If there's any host inside of the search string, procress them
2015         if (!($search =~ /macAddress/)){
2016             daemon_log("$session_id ERROR: no macAddress found in filter statement for LDAP search: '$search'", 1);
2017             return;
2018         }
2019
2020       # Perform search for Unit Tag
2021       my $mesg = $ldap_handle->search(
2022           base   => $ldap_base,
2023           scope  => 'sub',
2024           attrs  => ['dn', 'FAIstate', 'objectClass'],
2025           filter => "$search"
2026           );
2027
2028           if ($mesg->count) {
2029                   my @entries = $mesg->entries;
2030                   if (0 == @entries) {
2031                                   daemon_log("$session_id ERROR: ldap search failed: ldap_base=$ldap_base, filter=$search", 1);
2032                   }
2033
2034                   foreach my $entry (@entries) {
2035                           # Only modify entry if it is not set to '$state'
2036                           if ($entry->get_value("FAIstate") ne "$state"){
2037                                   daemon_log("$session_id INFO: Setting FAIstate to '$state' for ".$entry->dn, 5);
2038                                   my $result;
2039                                   my %tmp = map { $_ => 1 } $entry->get_value("objectClass");
2040                                   if (exists $tmp{'FAIobject'}){
2041                                           if ($state eq ''){
2042                                                   $result= $ldap_handle->modify($entry->dn, changes => [
2043                                                           delete => [ FAIstate => [] ] ]);
2044                                           } else {
2045                                                   $result= $ldap_handle->modify($entry->dn, changes => [
2046                                                           replace => [ FAIstate => $state ] ]);
2047                                           }
2048                                   } elsif ($state ne ''){
2049                                           $result= $ldap_handle->modify($entry->dn, changes => [
2050                                                   add     => [ objectClass => 'FAIobject' ],
2051                                                   add     => [ FAIstate => $state ] ]);
2052                                   }
2053
2054                                   # Errors?
2055                                   if ($result->code){
2056                                           daemon_log("$session_id Error: Setting FAIstate to '$state' for ".$entry->dn. "failed: ".$result->error, 1);
2057                                   }
2058                           } else {
2059                                   daemon_log("$session_id DEBUG FAIstate at host '".$entry->dn."' already at state '$st'", 7);
2060                           }
2061                   }
2062           } else {
2063                 daemon_log("$session_id ERROR: LDAP search failed: ldap_base=$ldap_base, filter=$search", 1);
2064           }
2065
2066     # if no ldap handle defined
2067     } else {
2068         daemon_log("$session_id ERROR: no LDAP handle defined for update FAIstate", 1);
2069     }
2070
2071         return;
2072 }
2073
2074
2075 sub change_goto_state {
2076     my ($st, $targets, $session_id) = @_;
2077     $session_id = 0  if not defined $session_id;
2078
2079     # Switch on or off?
2080     my $state= $st eq 'active' ? 'active': 'locked';
2081
2082     my $ldap_handle = &get_ldap_handle($session_id);
2083     if( defined($ldap_handle) ) {
2084
2085       # Build search filter for hosts
2086       my $search= "(&(objectClass=GOhard)";
2087       foreach (@{$targets}){
2088         $search.= "(macAddress=$_)";
2089       }
2090       $search.= ")";
2091
2092       # If there's any host inside of the search string, procress them
2093       if (!($search =~ /macAddress/)){
2094         return;
2095       }
2096
2097       # Perform search for Unit Tag
2098       my $mesg = $ldap_handle->search(
2099           base   => $ldap_base,
2100           scope  => 'sub',
2101           attrs  => ['dn', 'gotoMode'],
2102           filter => "$search"
2103           );
2104
2105       if ($mesg->count) {
2106         my @entries = $mesg->entries;
2107         foreach my $entry (@entries) {
2108
2109           # Only modify entry if it is not set to '$state'
2110           if ($entry->get_value("gotoMode") ne $state){
2111
2112             daemon_log("$session_id INFO: Setting gotoMode to '$state' for ".$entry->dn, 5);
2113             my $result;
2114             $result= $ldap_handle->modify($entry->dn, changes => [
2115                                                 replace => [ gotoMode => $state ] ]);
2116
2117             # Errors?
2118             if ($result->code){
2119               &daemon_log("$session_id Error: Setting gotoMode to '$state' for ".$entry->dn. "failed: ".$result->error, 1);
2120             }
2121
2122           }
2123         }
2124       } else {
2125                 daemon_log("$session_id ERROR: LDAP search failed in function change_goto_state: ldap_base=$ldap_base, filter=$search", 1);
2126           }
2127
2128     }
2129 }
2130
2131
2132 sub run_recreate_packages_db {
2133     my ($kernel, $session, $heap) = @_[KERNEL, SESSION, HEAP];
2134     my $session_id = $session->ID;
2135         &main::daemon_log("$session_id INFO: Recreating FAI Packages DB ('$fai_release_tn', '$fai_server_tn', '$packages_list_tn')", 5);
2136         $kernel->yield('create_fai_release_db', $fai_release_tn);
2137         $kernel->yield('create_fai_server_db', $fai_server_tn);
2138         return;
2139 }
2140
2141
2142 sub run_create_fai_server_db {
2143     my ($kernel, $session, $heap, $table_name) = @_[KERNEL, SESSION, HEAP, ARG0];
2144     my $session_id = $session->ID;
2145     my $task = POE::Wheel::Run->new(
2146             Program => sub { &create_fai_server_db($table_name,$kernel, undef, $session_id) },
2147             StdoutEvent  => "session_run_result",
2148             StderrEvent  => "session_run_debug",
2149             CloseEvent   => "session_run_done",
2150             );
2151
2152     $heap->{task}->{ $task->ID } = $task;
2153     return;
2154 }
2155
2156
2157 sub create_fai_server_db {
2158     my ($table_name, $kernel, $dont_create_packages_list, $session_id) = @_;
2159         my $result;
2160
2161         if (not defined $session_id) { $session_id = 0; }
2162     my $ldap_handle = &get_ldap_handle();
2163         if(defined($ldap_handle)) {
2164                 daemon_log("$session_id INFO: create_fai_server_db: start", 5);
2165                 my $mesg= $ldap_handle->search(
2166                         base   => $ldap_base,
2167                         scope  => 'sub',
2168                         attrs  => ['FAIrepository', 'gosaUnitTag'],
2169                         filter => "(&(FAIrepository=*)(objectClass=FAIrepositoryServer))",
2170                 );
2171                 if($mesg->{'resultCode'} == 0 &&
2172                    $mesg->count != 0) {
2173                    foreach my $entry (@{$mesg->{entries}}) {
2174                            if($entry->exists('FAIrepository')) {
2175                                    # Add an entry for each Repository configured for server
2176                                    foreach my $repo(@{$entry->get_value('FAIrepository', asref => 1)}) {
2177                                                    my($tmp_url,$tmp_server,$tmp_release,$tmp_sections) = split(/\|/, $repo);
2178                                                    my $tmp_tag= $entry->get_value('gosaUnitTag') || "";
2179                                                    $result= $fai_server_db->add_dbentry( {
2180                                                                    table => $table_name,
2181                                                                    primkey => ['server', 'release', 'tag'],
2182                                                                    server => $tmp_url,
2183                                                                    release => $tmp_release,
2184                                                                    sections => $tmp_sections,
2185                                                                    tag => (length($tmp_tag)>0)?$tmp_tag:"",
2186                                                            } );
2187                                            }
2188                                    }
2189                            }
2190                    }
2191                 daemon_log("$session_id INFO: create_fai_server_db: finished", 5);
2192
2193                 # TODO: Find a way to post the 'create_packages_list_db' event
2194                 if(not defined($dont_create_packages_list)) {
2195                         &create_packages_list_db(undef, undef, $session_id);
2196                 }
2197         }
2198
2199     $ldap_handle->disconnect;
2200         return $result;
2201 }
2202
2203
2204 sub run_create_fai_release_db {
2205     my ($session, $heap, $table_name) = @_[SESSION, HEAP, ARG0];
2206         my $session_id = $session->ID;
2207     my $task = POE::Wheel::Run->new(
2208             Program => sub { &create_fai_release_db($table_name, $session_id) },
2209             StdoutEvent  => "session_run_result",
2210             StderrEvent  => "session_run_debug",
2211             CloseEvent   => "session_run_done",
2212             );
2213
2214     $heap->{task}->{ $task->ID } = $task;
2215     return;
2216 }
2217
2218
2219 sub create_fai_release_db {
2220         my ($table_name, $session_id) = @_;
2221         my $result;
2222
2223     # used for logging
2224     if (not defined $session_id) { $session_id = 0; }
2225
2226     my $ldap_handle = &get_ldap_handle();
2227         if(defined($ldap_handle)) {
2228                 daemon_log("$session_id INFO: create_fai_release_db: start",5);
2229                 my $mesg= $ldap_handle->search(
2230                         base   => $ldap_base,
2231                         scope  => 'sub',
2232                         attrs  => [],
2233                         filter => "(&(objectClass=organizationalUnit)(ou=fai))",
2234                 );
2235                 if($mesg->{'resultCode'} == 0 &&
2236                         $mesg->count != 0) {
2237                         # Walk through all possible FAI container ou's
2238                         my @sql_list;
2239                         my $timestamp= &get_time();
2240                         foreach my $ou (@{$mesg->{entries}}) {
2241                                 my $tmp_classes= resolve_fai_classes($ou->dn, $ldap_handle, $session_id);
2242                                 if(defined($tmp_classes) && ref($tmp_classes) eq 'HASH') {
2243                                         my @tmp_array=get_fai_release_entries($tmp_classes);
2244                                         if(@tmp_array) {
2245                                                 foreach my $entry (@tmp_array) {
2246                                                         if(defined($entry) && ref($entry) eq 'HASH') {
2247                                                                 my $sql=
2248                                                                 "INSERT INTO $table_name "
2249                                                                 ."(timestamp, release, class, type, state) VALUES ("
2250                                                                 .$timestamp.","
2251                                                                 ."'".$entry->{'release'}."',"
2252                                                                 ."'".$entry->{'class'}."',"
2253                                                                 ."'".$entry->{'type'}."',"
2254                                                                 ."'".$entry->{'state'}."')";
2255                                                                 push @sql_list, $sql;
2256                                                         }
2257                                                 }
2258                                         }
2259                                 }
2260                         }
2261
2262                         daemon_log("$session_id DEBUG: Inserting ".scalar @sql_list." entries to DB",8);
2263                         if(@sql_list) {
2264                                 unshift @sql_list, "VACUUM";
2265                                 unshift @sql_list, "DELETE FROM $table_name";
2266                                 $fai_release_db->exec_statementlist(\@sql_list);
2267                         }
2268                         daemon_log("$session_id DEBUG: Done with inserting",7);
2269                 }
2270                 daemon_log("$session_id INFO: create_fai_release_db: finished",5);
2271         }
2272     $ldap_handle->disconnect;
2273         return $result;
2274 }
2275
2276 sub get_fai_types {
2277         my $tmp_classes = shift || return undef;
2278         my @result;
2279
2280         foreach my $type(keys %{$tmp_classes}) {
2281                 if(defined($tmp_classes->{$type}[0]) && (!($tmp_classes->{$type}[0] =~ /^.*?removed.*?$/))) {
2282                         my $entry = {
2283                                 type => $type,
2284                                 state => $tmp_classes->{$type}[0],
2285                         };
2286                         push @result, $entry;
2287                 }
2288         }
2289
2290         return @result;
2291 }
2292
2293 sub get_fai_state {
2294         my $result = "";
2295         my $tmp_classes = shift || return $result;
2296
2297         foreach my $type(keys %{$tmp_classes}) {
2298                 if(defined($tmp_classes->{$type}[0])) {
2299                         $result = $tmp_classes->{$type}[0];
2300
2301                 # State is equal for all types in class
2302                         last;
2303                 }
2304         }
2305
2306         return $result;
2307 }
2308
2309 sub resolve_fai_classes {
2310         my ($fai_base, $ldap_handle, $session_id) = @_;
2311         if (not defined $session_id) { $session_id = 0; }
2312         my $result;
2313         my @possible_fai_classes= ("FAIscript", "FAIhook", "FAIpartitionTable", "FAItemplate", "FAIvariable", "FAIprofile", "FAIpackageList");
2314         my $fai_filter= "(|(&(objectClass=FAIclass)(|(objectClass=".join(")(objectClass=", @possible_fai_classes).")))(objectClass=FAIbranch))";
2315         my $fai_classes;
2316
2317         daemon_log("$session_id DEBUG: Searching for FAI entries in base $fai_base",7);
2318         my $mesg= $ldap_handle->search(
2319                 base   => $fai_base,
2320                 scope  => 'sub',
2321                 attrs  => ['cn','objectClass','FAIstate'],
2322                 filter => $fai_filter,
2323         );
2324         daemon_log("$session_id DEBUG: Found ".$mesg->count()." FAI entries",7);
2325
2326         if($mesg->{'resultCode'} == 0 &&
2327                 $mesg->count != 0) {
2328                 foreach my $entry (@{$mesg->{entries}}) {
2329                         if($entry->exists('cn')) {
2330                                 my $tmp_dn= $entry->dn();
2331
2332                                 # Skip classname and ou dn parts for class
2333                                 my $tmp_release = ($1) if $tmp_dn =~ /^[^,]+,[^,]+,(.*?),$fai_base$/;
2334
2335                                 # Skip classes without releases
2336                                 if((!defined($tmp_release)) || length($tmp_release)==0) {
2337                                         next;
2338                                 }
2339
2340                                 my $tmp_cn= $entry->get_value('cn');
2341                                 my $tmp_state= $entry->get_value('FAIstate');
2342
2343                                 my $tmp_type;
2344                                 # Get FAI type
2345                                 for my $oclass(@{$entry->get_value('objectClass', asref => 1)}) {
2346                                         if(grep $_ eq $oclass, @possible_fai_classes) {
2347                                                 $tmp_type= $oclass;
2348                                                 last;
2349                                         }
2350                                 }
2351
2352                                 if($tmp_release =~ /^.*?,.*?$/ && (!($tmp_release =~ /^.*?\\,.*?$/))) {
2353                                         # A Subrelease
2354                                         my @sub_releases = split(/,/, $tmp_release);
2355
2356                                         # Walk through subreleases and build hash tree
2357                                         my $hash;
2358                                         while(my $tmp_sub_release = pop @sub_releases) {
2359                                                 $hash .= "\{'$tmp_sub_release'\}->";
2360                                         }
2361                                         eval('push @{$fai_classes->'.$hash.'{$tmp_cn}->{$tmp_type}}, (defined($tmp_state) && length($tmp_state)>0)?$tmp_state:"";');
2362                                 } else {
2363                                         # A branch, no subrelease
2364                                         push @{$fai_classes->{$tmp_release}->{$tmp_cn}->{$tmp_type}}, (defined($tmp_state) && length($tmp_state)>0)?$tmp_state:"";
2365                                 }
2366                         } elsif (!$entry->exists('cn')) {
2367                                 my $tmp_dn= $entry->dn();
2368                                 my $tmp_release = ($1) if $tmp_dn =~ /^(.*?),$fai_base$/;
2369
2370                                 # Skip classes without releases
2371                                 if((!defined($tmp_release)) || length($tmp_release)==0) {
2372                                         next;
2373                                 }
2374
2375                                 if($tmp_release =~ /^.*?,.*?$/ && (!($tmp_release =~ /^.*?\\,.*?$/))) {
2376                                         # A Subrelease
2377                                         my @sub_releases= split(/,/, $tmp_release);
2378
2379                                         # Walk through subreleases and build hash tree
2380                                         my $hash;
2381                                         while(my $tmp_sub_release = pop @sub_releases) {
2382                                                 $hash .= "\{'$tmp_sub_release'\}->";
2383                                         }
2384                                         # Remove the last two characters
2385                                         chop($hash);
2386                                         chop($hash);
2387
2388                                         eval('$fai_classes->'.$hash.'= {}');
2389                                 } else {
2390                                         # A branch, no subrelease
2391                                         if(!exists($fai_classes->{$tmp_release})) {
2392                                                 $fai_classes->{$tmp_release} = {};
2393                                         }
2394                                 }
2395                         }
2396                 }
2397
2398                 # The hash is complete, now we can honor the copy-on-write based missing entries
2399                 foreach my $release (keys %$fai_classes) {
2400                         $result->{$release}= deep_copy(apply_fai_inheritance($fai_classes->{$release}));
2401                 }
2402         }
2403         return $result;
2404 }
2405
2406 sub apply_fai_inheritance {
2407        my $fai_classes = shift || return {};
2408        my $tmp_classes;
2409
2410        # Get the classes from the branch
2411        foreach my $class (keys %{$fai_classes}) {
2412                # Skip subreleases
2413                if($class =~ /^ou=.*$/) {
2414                        next;
2415                } else {
2416                        $tmp_classes->{$class}= deep_copy($fai_classes->{$class});
2417                }
2418        }
2419
2420        # Apply to each subrelease
2421        foreach my $subrelease (keys %{$fai_classes}) {
2422                if($subrelease =~ /ou=/) {
2423                        foreach my $tmp_class (keys %{$tmp_classes}) {
2424                                if(!exists($fai_classes->{$subrelease}->{$tmp_class})) {
2425                                        $fai_classes->{$subrelease}->{$tmp_class} =
2426                                        deep_copy($tmp_classes->{$tmp_class});
2427                                } else {
2428                                        foreach my $type (keys %{$tmp_classes->{$tmp_class}}) {
2429                                                if(!exists($fai_classes->{$subrelease}->{$tmp_class}->{$type})) {
2430                                                        $fai_classes->{$subrelease}->{$tmp_class}->{$type}=
2431                                                        deep_copy($tmp_classes->{$tmp_class}->{$type});
2432                                                }
2433                                        }
2434                                }
2435                        }
2436                }
2437        }
2438
2439        # Find subreleases in deeper levels
2440        foreach my $subrelease (keys %{$fai_classes}) {
2441                if($subrelease =~ /ou=/) {
2442                        foreach my $subsubrelease (keys %{$fai_classes->{$subrelease}}) {
2443                                if($subsubrelease =~ /ou=/) {
2444                                        apply_fai_inheritance($fai_classes->{$subrelease});
2445                                }
2446                        }
2447                }
2448        }
2449
2450        return $fai_classes;
2451 }
2452
2453 sub get_fai_release_entries {
2454         my $tmp_classes = shift || return;
2455         my $parent = shift || "";
2456         my @result = shift || ();
2457
2458         foreach my $entry (keys %{$tmp_classes}) {
2459                 if(defined($entry)) {
2460                         if($entry =~ /^ou=.*$/) {
2461                                 my $release_name = $entry;
2462                                 $release_name =~ s/ou=//g;
2463                                 if(length($parent)>0) {
2464                                         $release_name = $parent."/".$release_name;
2465                                 }
2466                                 my @bufentries = get_fai_release_entries($tmp_classes->{$entry}, $release_name, @result);
2467                                 foreach my $bufentry(@bufentries) {
2468                                         push @result, $bufentry;
2469                                 }
2470                         } else {
2471                                 my @types = get_fai_types($tmp_classes->{$entry});
2472                                 foreach my $type (@types) {
2473                                         push @result,
2474                                         {
2475                                                 'class' => $entry,
2476                                                 'type' => $type->{'type'},
2477                                                 'release' => $parent,
2478                                                 'state' => $type->{'state'},
2479                                         };
2480                                 }
2481                         }
2482                 }
2483         }
2484
2485         return @result;
2486 }
2487
2488 sub deep_copy {
2489         my $this = shift;
2490         if (not ref $this) {
2491                 $this;
2492         } elsif (ref $this eq "ARRAY") {
2493                 [map deep_copy($_), @$this];
2494         } elsif (ref $this eq "HASH") {
2495                 +{map { $_ => deep_copy($this->{$_}) } keys %$this};
2496         } else { die "what type is $_?" }
2497 }
2498
2499
2500 sub session_run_result {
2501     my ($kernel, $heap, $client_answer) = @_[KERNEL, HEAP, ARG0];
2502     $kernel->sig(CHLD => "child_reap");
2503 }
2504
2505 sub session_run_debug {
2506     my $result = $_[ARG0];
2507     print STDERR "$result\n";
2508 }
2509
2510 sub session_run_done {
2511     my ( $kernel, $heap, $task_id ) = @_[ KERNEL, HEAP, ARG0 ];
2512     delete $heap->{task}->{$task_id};
2513 }
2514
2515
2516 sub create_sources_list {
2517         my $session_id = shift;
2518         my $ldap_handle = &main::get_ldap_handle;
2519         my $result="/tmp/gosa_si_tmp_sources_list";
2520
2521         # Remove old file
2522         if(stat($result)) {
2523                 unlink($result);
2524                 &main::daemon_log("$session_id DEBUG: remove an old version of '$result'", 7);
2525         }
2526
2527         my $fh;
2528         open($fh, ">$result");
2529         if (not defined $fh) {
2530                 &main::daemon_log("$session_id DEBUG: cannot open '$result' for writing", 7);
2531                 return undef;
2532         }
2533         if(defined($main::ldap_server_dn) and length($main::ldap_server_dn) > 0) {
2534                 my $mesg=$ldap_handle->search(
2535                         base    => $main::ldap_server_dn,
2536                         scope   => 'base',
2537                         attrs   => 'FAIrepository',
2538                         filter  => 'objectClass=FAIrepositoryServer'
2539                 );
2540                 if($mesg->count) {
2541                         foreach my $entry(@{$mesg->{'entries'}}) {
2542                                 foreach my $value(@{$entry->get_value('FAIrepository', asref => 1)}) {
2543                                         my ($server, $tag, $release, $sections)= split /\|/, $value;
2544                                         my $line = "deb $server $release";
2545                                         $sections =~ s/,/ /g;
2546                                         $line.= " $sections";
2547                                         print $fh $line."\n";
2548                                 }
2549                         }
2550                 }
2551         } else {
2552                 if (defined $main::ldap_server_dn){
2553                         &main::daemon_log("$session_id ERROR: something wrong with ldap_server_dn '$main::ldap_server_dn', abort create_sources_list", 1);
2554                 } else {
2555                         &main::daemon_log("$session_id ERROR: no ldap_server_dn found, abort create_sources_list", 1);
2556                 }
2557         }
2558         close($fh);
2559
2560         return $result;
2561 }
2562
2563
2564 sub run_create_packages_list_db {
2565     my ($kernel, $session, $heap) = @_[KERNEL, SESSION, HEAP];
2566         my $session_id = $session->ID;
2567
2568         my $task = POE::Wheel::Run->new(
2569                                         Priority => +20,
2570                                         Program => sub {&create_packages_list_db(undef, undef, $session_id)},
2571                                         StdoutEvent  => "session_run_result",
2572                                         StderrEvent  => "session_run_debug",
2573                                         CloseEvent   => "session_run_done",
2574                                         );
2575         $heap->{task}->{ $task->ID } = $task;
2576 }
2577
2578
2579 sub create_packages_list_db {
2580         my ($ldap_handle, $sources_file, $session_id) = @_;
2581
2582         # it should not be possible to trigger a recreation of packages_list_db
2583         # while packages_list_db is under construction, so set flag packages_list_under_construction
2584         # which is tested befor recreation can be started
2585         if (-r $packages_list_under_construction) {
2586                 daemon_log("$session_id WARNING: packages_list_db is right now under construction, please wait until this process is finished", 3);
2587                 return;
2588         } else {
2589                 daemon_log("$session_id INFO: create_packages_list_db: start", 5);
2590                 # set packages_list_under_construction to true
2591                 system("touch $packages_list_under_construction");
2592                 @packages_list_statements=();
2593         }
2594
2595         if (not defined $session_id) { $session_id = 0; }
2596         if (not defined $ldap_handle) {
2597                 $ldap_handle= &get_ldap_handle();
2598
2599                 if (not defined $ldap_handle) {
2600                         daemon_log("$session_id ERROR: no ldap_handle available to create_packages_list_db", 1);
2601                         unlink($packages_list_under_construction);
2602                         return;
2603                 }
2604         }
2605         if (not defined $sources_file) {
2606                 &main::daemon_log("$session_id INFO: no sources_file given for creating packages list so trigger creation of it", 5);
2607                 $sources_file = &create_sources_list($session_id);
2608         }
2609
2610         if (not defined $sources_file) {
2611                 &main::daemon_log("$session_id ERROR: no sources_file given under '$sources_file', skip create_packages_list_db", 1);
2612                 unlink($packages_list_under_construction);
2613                 return;
2614         }
2615
2616         my $line;
2617
2618         open(CONFIG, "<$sources_file") or do {
2619                 daemon_log( "$session_id ERROR: create_packages_list_db: Failed to open '$sources_file'", 1);
2620                 unlink($packages_list_under_construction);
2621                 return;
2622         };
2623
2624         # Read lines
2625         while ($line = <CONFIG>){
2626                 # Unify
2627                 chop($line);
2628                 $line =~ s/^\s+//;
2629                 $line =~ s/^\s+/ /;
2630
2631                 # Strip comments
2632                 $line =~ s/#.*$//g;
2633
2634                 # Skip empty lines
2635                 if ($line =~ /^\s*$/){
2636                         next;
2637                 }
2638
2639                 # Interpret deb line
2640                 if ($line =~ /^deb [^\s]+\s[^\s]+\s[^\s]+/){
2641                         my( $baseurl, $dist, $sections ) = ($line =~ /^deb\s([^\s]+)\s+([^\s]+)\s+(.*)$/);
2642                         my $section;
2643                         foreach $section (split(' ', $sections)){
2644                                 &parse_package_info( $baseurl, $dist, $section, $session_id );
2645                         }
2646                 }
2647         }
2648
2649         close (CONFIG);
2650
2651
2652         find(\&cleanup_and_extract, keys( %repo_dirs ));
2653         &main::strip_packages_list_statements();
2654         unshift @packages_list_statements, "VACUUM";
2655         $packages_list_db->exec_statementlist(\@packages_list_statements);
2656         unlink($packages_list_under_construction);
2657         daemon_log("$session_id INFO: create_packages_list_db: finished", 5);
2658         return;
2659 }
2660
2661 # This function should do some intensive task to minimize the db-traffic
2662 sub strip_packages_list_statements {
2663     my @existing_entries= @{$packages_list_db->exec_statement("SELECT * FROM $main::packages_list_tn")};
2664         my @new_statement_list=();
2665         my $hash;
2666         my $insert_hash;
2667         my $update_hash;
2668         my $delete_hash;
2669         my $local_timestamp=get_time();
2670
2671         foreach my $existing_entry (@existing_entries) {
2672                 $hash->{@{$existing_entry}[0]}->{@{$existing_entry}[1]}->{@{$existing_entry}[2]}= $existing_entry;
2673         }
2674
2675         foreach my $statement (@packages_list_statements) {
2676                 if($statement =~ /^INSERT/i) {
2677                         # Assign the values from the insert statement
2678                         my ($distribution,$package,$version,$section,$description,$template,$timestamp) = ($1,$2,$3,$4,$5,$6,$7) if $statement =~
2679                         /^INSERT\s+?INTO\s+?$main::packages_list_tn\s+?VALUES\s*?\('(.*?)',\s*?'(.*?)',\s*?'(.*?)',\s*?'(.*?)',\s*?'(.*?)',\s*?'(.*?)',\s*?'(.*?)'\s*?\)$/si;
2680                         if(exists($hash->{$distribution}->{$package}->{$version})) {
2681                                 # If section or description has changed, update the DB
2682                                 if(
2683                                         (! (@{$hash->{$distribution}->{$package}->{$version}}[3] eq $section)) or
2684                                         (! (@{$hash->{$distribution}->{$package}->{$version}}[4] eq $description))
2685                                 ) {
2686                                         @{$update_hash->{$distribution}->{$package}->{$version}} = ($distribution,$package,$version,$section,$description,undef);
2687                                 }
2688                         } else {
2689                                 # Insert a non-existing entry to db
2690                                 @{$insert_hash->{$distribution}->{$package}->{$version}} = ($distribution,$package,$version,$section,$description,$template);
2691                         }
2692                 } elsif ($statement =~ /^UPDATE/i) {
2693                         my ($template,$package,$version) = ($1,$2,$3) if $statement =~
2694                         /^update\s+?$main::packages_list_tn\s+?set\s+?template\s*?=\s*?'(.*?)'\s+?where\s+?package\s*?=\s*?'(.*?)'\s+?and\s+?version\s*?=\s*?'(.*?)'\s*?;$/si;
2695                         foreach my $distribution (keys %{$hash}) {
2696                                 if(exists($insert_hash->{$distribution}->{$package}->{$version})) {
2697                                         # update the insertion hash to execute only one query per package (insert instead insert+update)
2698                                         @{$insert_hash->{$distribution}->{$package}->{$version}}[5]= $template;
2699                                 } elsif(exists($hash->{$distribution}->{$package}->{$version})) {
2700                                         if( ! (@{$hash->{$distribution}->{$package}->{$version}}[5] eq $template)) {
2701                                                 my $section;
2702                                                 my $description;
2703                                                 if(defined(@{$update_hash->{$distribution}->{$package}->{$version}}[3]) and
2704                                                         length(@{$update_hash->{$distribution}->{$package}->{$version}}[3]) > 0 ) {
2705                                                         $section= @{$update_hash->{$distribution}->{$package}->{$version}}[3];
2706                                                 }
2707                                                 if(defined(@{$update_hash->{$distribution}->{$package}->{$version}}[4])) {
2708                                                         $description= @{$update_hash->{$distribution}->{$package}->{$version}}[4];
2709                                                 }
2710                                                 @{$update_hash->{$distribution}->{$package}->{$version}} = ($distribution,$package,$version,$section,$description,$template);
2711                                         }
2712                                 }
2713                         }
2714                 }
2715         }
2716
2717         # TODO: Check for orphaned entries
2718
2719         # unroll the insert_hash
2720         foreach my $distribution (keys %{$insert_hash}) {
2721                 foreach my $package (keys %{$insert_hash->{$distribution}}) {
2722                         foreach my $version (keys %{$insert_hash->{$distribution}->{$package}}) {
2723                                 push @new_statement_list, "INSERT INTO $main::packages_list_tn VALUES ('$distribution','$package','$version',"
2724                                 ."'@{$insert_hash->{$distribution}->{$package}->{$version}}[3]',"
2725                                 ."'@{$insert_hash->{$distribution}->{$package}->{$version}}[4]',"
2726                                 ."'@{$insert_hash->{$distribution}->{$package}->{$version}}[5]',"
2727                                 ."'$local_timestamp')";
2728                         }
2729                 }
2730         }
2731
2732         # unroll the update hash
2733         foreach my $distribution (keys %{$update_hash}) {
2734                 foreach my $package (keys %{$update_hash->{$distribution}}) {
2735                         foreach my $version (keys %{$update_hash->{$distribution}->{$package}}) {
2736                                 my $set = "";
2737                                 if(defined(@{$update_hash->{$distribution}->{$package}->{$version}}[3])) {
2738                                         $set .= "section = '@{$update_hash->{$distribution}->{$package}->{$version}}[3]', ";
2739                                 }
2740                                 if(defined(@{$update_hash->{$distribution}->{$package}->{$version}}[4])) {
2741                                         $set .= "description = '@{$update_hash->{$distribution}->{$package}->{$version}}[4]', ";
2742                                 }
2743                                 if(defined(@{$update_hash->{$distribution}->{$package}->{$version}}[5])) {
2744                                         $set .= "template = '@{$update_hash->{$distribution}->{$package}->{$version}}[5]', ";
2745                                 }
2746                                 if(defined($set) and length($set) > 0) {
2747                                         $set .= "timestamp = '$local_timestamp'";
2748                                 } else {
2749                                         next;
2750                                 }
2751                                 push @new_statement_list,
2752                                         "UPDATE $main::packages_list_tn SET $set WHERE"
2753                                         ." distribution = '$distribution'"
2754                                         ." AND package = '$package'"
2755                                         ." AND version = '$version'";
2756                         }
2757                 }
2758         }
2759
2760         @packages_list_statements = @new_statement_list;
2761 }
2762
2763
2764 sub parse_package_info {
2765     my ($baseurl, $dist, $section, $session_id)= @_;
2766     my ($package);
2767     if (not defined $session_id) { $session_id = 0; }
2768     my ($path) = ($baseurl =~ m%://[^/]*(.*)$%);
2769     $repo_dirs{ "${repo_path}/pool" } = 1;
2770
2771     foreach $package ("Packages.gz"){
2772         daemon_log("$session_id DEBUG: create_packages_list: fetch $baseurl, $dist, $section", 7);
2773         get_package( "$baseurl/dists/$dist/$section/binary-$arch/$package", "$outdir/$dist/$section", $session_id );
2774         parse_package( "$outdir/$dist/$section", $dist, $path, $session_id );
2775     }
2776
2777 }
2778
2779
2780 sub get_package {
2781     my ($url, $dest, $session_id)= @_;
2782     if (not defined $session_id) { $session_id = 0; }
2783
2784     my $tpath = dirname($dest);
2785     -d "$tpath" || mkpath "$tpath";
2786
2787     # This is ugly, but I've no time to take a look at "how it works in perl"
2788     if(0 == system("wget '$url' -O '$dest' 2>/dev/null") ) {
2789         system("gunzip -cd '$dest' > '$dest.in'");
2790         daemon_log("$session_id DEBUG: run command: gunzip -cd '$dest' > '$dest.in'", 5);
2791         unlink($dest);
2792         daemon_log("$session_id DEBUG: delete file '$dest'", 5);
2793     } else {
2794         daemon_log("$session_id ERROR: create_packages_list_db: get_packages: fetching '$url' failed!", 1);
2795     }
2796     return 0;
2797 }
2798
2799
2800 sub parse_package {
2801     my ($path, $dist, $srv_path, $session_id)= @_;
2802     if (not defined $session_id) { $session_id = 0;}
2803     my ($package, $version, $section, $description);
2804     my $PACKAGES;
2805     my $timestamp = &get_time();
2806
2807     if(not stat("$path.in")) {
2808         daemon_log("$session_id ERROR: create_packages_list: parse_package: file '$path.in' is not readable",1);
2809         return;
2810     }
2811
2812     open($PACKAGES, "<$path.in");
2813     if(not defined($PACKAGES)) {
2814         daemon_log("$session_id ERROR: create_packages_list_db: parse_package: cannot open '$path.in'",1);
2815         return;
2816     }
2817
2818     # Read lines
2819     while (<$PACKAGES>){
2820         my $line = $_;
2821         # Unify
2822         chop($line);
2823
2824         # Use empty lines as a trigger
2825         if ($line =~ /^\s*$/){
2826             my $sql = "INSERT INTO packages_list VALUES ('$dist', '$package', '$version', '$section', '$description', '', '$timestamp')";
2827             push(@packages_list_statements, $sql);
2828             $package = "none";
2829             $version = "none";
2830             $section = "none";
2831             $description = "none";
2832             next;
2833         }
2834
2835         # Trigger for package name
2836         if ($line =~ /^Package:\s/){
2837             ($package)= ($line =~ /^Package: (.*)$/);
2838             next;
2839         }
2840
2841         # Trigger for version
2842         if ($line =~ /^Version:\s/){
2843             ($version)= ($line =~ /^Version: (.*)$/);
2844             next;
2845         }
2846
2847         # Trigger for description
2848         if ($line =~ /^Description:\s/){
2849             ($description)= &encode_base64(($line =~ /^Description: (.*)$/));
2850             next;
2851         }
2852
2853         # Trigger for section
2854         if ($line =~ /^Section:\s/){
2855             ($section)= ($line =~ /^Section: (.*)$/);
2856             next;
2857         }
2858
2859         # Trigger for filename
2860         if ($line =~ /^Filename:\s/){
2861             my ($filename) = ($line =~ /^Filename: (.*)$/);
2862             store_fileinfo( $package, $filename, $dist, $srv_path, $version, $repo_path );
2863             next;
2864         }
2865     }
2866
2867     close( $PACKAGES );
2868     unlink( "$path.in" );
2869 }
2870
2871
2872 sub store_fileinfo {
2873     my( $package, $file, $dist, $path, $vers, $srvdir) = @_;
2874
2875     my %fileinfo = (
2876         'package' => $package,
2877         'dist' => $dist,
2878         'version' => $vers,
2879     );
2880
2881     $repo_files{ "${srvdir}/$file" } = \%fileinfo;
2882 }
2883
2884
2885 sub cleanup_and_extract {
2886     my $fileinfo = $repo_files{ $File::Find::name };
2887
2888     if( defined $fileinfo ) {
2889
2890         my $dir = "$outdir/$fileinfo->{ 'dist' }/debconf.d";
2891         my $sql;
2892         my $package = $fileinfo->{ 'package' };
2893         my $newver = $fileinfo->{ 'version' };
2894
2895         mkpath($dir);
2896         system( "dpkg -e '$File::Find::name' '$dir/DEBIAN'" );
2897
2898                 if( -f "$dir/DEBIAN/templates" ) {
2899
2900                         daemon_log("DEBUG: Found debconf templates in '$package' - $newver", 7);
2901
2902                         my $tmpl= "";
2903                         {
2904                                 local $/=undef;
2905                                 open FILE, "$dir/DEBIAN/templates";
2906                                 $tmpl = &encode_base64(<FILE>);
2907                                 close FILE;
2908                         }
2909                         rmtree("$dir/DEBIAN/templates");
2910
2911                         $sql= "update $main::packages_list_tn set template = '$tmpl' where package = '$package' and version = '$newver';";
2912                 push @packages_list_statements, $sql;
2913                 }
2914     }
2915
2916     return;
2917 }
2918
2919
2920 sub register_at_foreign_servers {
2921     my ($kernel) = $_[KERNEL];
2922
2923     # hole alle bekannten server aus known_server_db
2924     my $server_sql = "SELECT * FROM $known_server_tn";
2925     my $server_res = $known_server_db->exec_statement($server_sql);
2926
2927     # no entries in known_server_db
2928     if (not ref(@$server_res[0]) eq "ARRAY") {
2929         # TODO
2930     }
2931
2932     # detect already connected clients
2933     my $client_sql = "SELECT * FROM $known_clients_tn";
2934     my $client_res = $known_clients_db->exec_statement($client_sql);
2935
2936     # send my server details to all other gosa-si-server within the network
2937     foreach my $hit (@$server_res) {
2938         my $hostname = @$hit[0];
2939         my $hostkey = &create_passwd;
2940
2941         # add already connected clients to registration message
2942         my $myhash = &create_xml_hash('new_server', $server_address, $hostname);
2943         &add_content2xml_hash($myhash, 'key', $hostkey);
2944         map(&add_content2xml_hash($myhash, 'client', @{$_}[0].",".@{$_}[4]), @$client_res);
2945
2946         # build registration message and send it
2947         my $foreign_server_msg = &create_xml_string($myhash);
2948         my $error = &send_msg_to_target($foreign_server_msg, $hostname, $ServerPackages_key, "new_server", 0);
2949     }
2950
2951     $kernel->delay_set("register_at_foreign_servers", $foreign_servers_register_delay);
2952     return;
2953 }
2954
2955
2956 #==== MAIN = main ==============================================================
2957 #  parse commandline options
2958 Getopt::Long::Configure( "bundling" );
2959 GetOptions("h|help" => \&usage,
2960         "c|config=s" => \$cfg_file,
2961         "f|foreground" => \$foreground,
2962         "v|verbose+" => \$verbose,
2963         "no-arp+" => \$no_arp,
2964            );
2965
2966 #  read and set config parameters
2967 &check_cmdline_param ;
2968 &read_configfile($cfg_file, %cfg_defaults);
2969 &check_pid;
2970
2971 $SIG{CHLD} = 'IGNORE';
2972
2973 # forward error messages to logfile
2974 if( ! $foreground ) {
2975   open( STDIN,  '+>/dev/null' );
2976   open( STDOUT, '+>&STDIN'    );
2977   open( STDERR, '+>&STDIN'    );
2978 }
2979
2980 # Just fork, if we are not in foreground mode
2981 if( ! $foreground ) {
2982     chdir '/'                 or die "Can't chdir to /: $!";
2983     $pid = fork;
2984     setsid                    or die "Can't start a new session: $!";
2985     umask 0;
2986 } else {
2987     $pid = $$;
2988 }
2989
2990 # Do something useful - put our PID into the pid_file
2991 if( 0 != $pid ) {
2992     open( LOCK_FILE, ">$pid_file" );
2993     print LOCK_FILE "$pid\n";
2994     close( LOCK_FILE );
2995     if( !$foreground ) {
2996         exit( 0 )
2997     };
2998 }
2999
3000 # parse head url and revision from svn
3001 my $server_status_hash = { 'developmental'=>'revision', 'stable'=>'release'};
3002 $server_version =~ /^\$HeadURL: (\S+) \$:\$Rev: (\d+) \$$/;
3003 $server_headURL = defined $1 ? $1 : 'unknown' ;
3004 $server_revision = defined $2 ? $2 : 'unknown' ;
3005 if ($server_headURL =~ /\/tag\// ||
3006         $server_headURL =~ /\/branches\// ) {
3007     $server_status = "stable";
3008 } else {
3009     $server_status = "developmental" ;
3010 }
3011
3012
3013 daemon_log(" ", 1);
3014 daemon_log("$0 started!", 1);
3015 daemon_log("status: $server_status", 1);
3016 daemon_log($server_status_hash->{$server_status}.": $server_revision", 1);
3017
3018 # connect to incoming_db
3019 unlink($incoming_file_name);
3020 $incoming_db = GOSA::DBsqlite->new($incoming_file_name);
3021 $incoming_db->create_table($incoming_tn, \@incoming_col_names);
3022
3023 # connect to gosa-si job queue
3024 $job_db = GOSA::DBsqlite->new($job_queue_file_name);
3025 $job_db->create_table($job_queue_tn, \@job_queue_col_names);
3026
3027 # connect to known_clients_db
3028 $known_clients_db = GOSA::DBsqlite->new($known_clients_file_name);
3029 $known_clients_db->create_table($known_clients_tn, \@known_clients_col_names);
3030
3031 # connect to foreign_clients_db
3032 $foreign_clients_db = GOSA::DBsqlite->new($foreign_clients_file_name);
3033 $foreign_clients_db->create_table($foreign_clients_tn, \@foreign_clients_col_names);
3034
3035 # connect to known_server_db
3036 unlink($known_server_file_name);
3037 $known_server_db = GOSA::DBsqlite->new($known_server_file_name);
3038 $known_server_db->create_table($known_server_tn, \@known_server_col_names);
3039
3040 # connect to login_usr_db
3041 $login_users_db = GOSA::DBsqlite->new($login_users_file_name);
3042 $login_users_db->create_table($login_users_tn, \@login_users_col_names);
3043
3044 # connect to fai_server_db and fai_release_db
3045 unlink($fai_server_file_name);
3046 $fai_server_db = GOSA::DBsqlite->new($fai_server_file_name);
3047 $fai_server_db->create_table($fai_server_tn, \@fai_server_col_names);
3048
3049 unlink($fai_release_file_name);
3050 $fai_release_db = GOSA::DBsqlite->new($fai_release_file_name);
3051 $fai_release_db->create_table($fai_release_tn, \@fai_release_col_names);
3052
3053 # connect to packages_list_db
3054 #unlink($packages_list_file_name);
3055 unlink($packages_list_under_construction);
3056 $packages_list_db = GOSA::DBsqlite->new($packages_list_file_name);
3057 $packages_list_db->create_table($packages_list_tn, \@packages_list_col_names);
3058
3059 # connect to messaging_db
3060 $messaging_db = GOSA::DBsqlite->new($messaging_file_name);
3061 $messaging_db->create_table($messaging_tn, \@messaging_col_names);
3062
3063
3064 # create xml object used for en/decrypting
3065 $xml = new XML::Simple();
3066
3067
3068 # foreign servers
3069 my @foreign_server_list;
3070
3071 # add foreign server from cfg file
3072 if ($foreign_server_string ne "") {
3073     my @cfg_foreign_server_list = split(",", $foreign_server_string);
3074     foreach my $foreign_server (@cfg_foreign_server_list) {
3075         push(@foreign_server_list, $foreign_server);
3076     }
3077 }
3078
3079 # add foreign server from dns
3080 my @tmp_servers;
3081 if ( !$server_domain) {
3082     # Try our DNS Searchlist
3083     for my $domain(get_dns_domains()) {
3084         chomp($domain);
3085         my @tmp_domains= &get_server_addresses($domain);
3086         if(@tmp_domains) {
3087             for my $tmp_server(@tmp_domains) {
3088                 push @tmp_servers, $tmp_server;
3089             }
3090         }
3091     }
3092     if(@tmp_servers && length(@tmp_servers)==0) {
3093         daemon_log("0 WARNING: no foreign gosa-si-server found in DNS for domain '$server_domain'", 3);
3094     }
3095 } else {
3096     @tmp_servers = &get_server_addresses($server_domain);
3097     if( 0 == @tmp_servers ) {
3098         daemon_log("0 WARNING: no foreign gosa-si-server found in DNS for domain '$server_domain'", 3);
3099     }
3100 }
3101 foreach my $server (@tmp_servers) {
3102     unshift(@foreign_server_list, $server);
3103 }
3104 # eliminate duplicate entries
3105 @foreign_server_list = &del_doubles(@foreign_server_list);
3106 my $all_foreign_server = join(", ", @foreign_server_list);
3107 daemon_log("0 INFO: found foreign server in config file and DNS: $all_foreign_server", 5);
3108
3109 # add all found foreign servers to known_server
3110 my $act_timestamp = &get_time();
3111 foreach my $foreign_server (@foreign_server_list) {
3112
3113         # do not add myself to known_server_db
3114         if (&is_local($foreign_server)) { next; }
3115         ######################################
3116
3117     my $res = $known_server_db->add_dbentry( {table=>$known_server_tn,
3118             primkey=>['hostname'],
3119             hostname=>$foreign_server,
3120             status=>'not_jet_registered',
3121             hostkey=>"none",
3122             timestamp=>$act_timestamp,
3123             } );
3124 }
3125
3126
3127 # Import all modules
3128 &import_modules;
3129
3130 # Check wether all modules are gosa-si valid passwd check
3131 &password_check;
3132
3133 # Prepare for using Opsi
3134 if ($opsi_enabled eq "true") {
3135     use JSON::RPC::Client;
3136     use XML::Quote qw(:all);
3137     $opsi_url= "https://".$opsi_admin.":".$opsi_password."@".$opsi_server.":4447/rpc";
3138     $opsi_client = new JSON::RPC::Client;
3139 }
3140
3141
3142 POE::Component::Server::TCP->new(
3143     Alias => "TCP_SERVER",
3144         Port => $server_port,
3145         ClientInput => sub {
3146         my ($kernel, $input) = @_[KERNEL, ARG0];
3147         push(@tasks, $input);
3148         push(@msgs_to_decrypt, $input);
3149         $kernel->yield("msg_to_decrypt");
3150         },
3151     InlineStates => {
3152         msg_to_decrypt => \&msg_to_decrypt,
3153         next_task => \&next_task,
3154         task_result => \&handle_task_result,
3155         task_done   => \&handle_task_done,
3156         task_debug  => \&handle_task_debug,
3157         child_reap => sub { "Do nothing special. I'm just a comment, but i'm necessary!"  },
3158     }
3159 );
3160
3161 daemon_log("start socket for incoming xml messages at port '$server_port' ", 1);
3162
3163 # create session for repeatedly checking the job queue for jobs
3164 POE::Session->create(
3165         inline_states => {
3166                 _start => \&session_start,
3167         register_at_foreign_servers => \&register_at_foreign_servers,
3168         sig_handler => \&sig_handler,
3169         next_task => \&next_task,
3170         task_result => \&handle_task_result,
3171         task_done   => \&handle_task_done,
3172         task_debug  => \&handle_task_debug,
3173         watch_for_next_tasks => \&watch_for_next_tasks,
3174         watch_for_new_messages => \&watch_for_new_messages,
3175         watch_for_delivery_messages => \&watch_for_delivery_messages,
3176         watch_for_done_messages => \&watch_for_done_messages,
3177                 watch_for_new_jobs => \&watch_for_new_jobs,
3178         watch_for_modified_jobs => \&watch_for_modified_jobs,
3179         watch_for_done_jobs => \&watch_for_done_jobs,
3180         watch_for_opsi_jobs => \&watch_for_opsi_jobs,
3181         watch_for_old_known_clients => \&watch_for_old_known_clients,
3182         create_packages_list_db => \&run_create_packages_list_db,
3183         create_fai_server_db => \&run_create_fai_server_db,
3184         create_fai_release_db => \&run_create_fai_release_db,
3185                 recreate_packages_db => \&run_recreate_packages_db,
3186         session_run_result => \&session_run_result,
3187         session_run_debug => \&session_run_debug,
3188         session_run_done => \&session_run_done,
3189         child_reap => sub { "Do nothing special. I'm just a comment, but i'm necessary!"  },
3190         }
3191 );
3192
3193
3194 POE::Kernel->run();
3195 exit;
3196